Contacter l'équipe de World Air Quality Index

The World Air Quality Index project is a social enterprise project started in 2007. Its mission is to promote Air Pollution awareness and provide a unified Air Quality information for the whole world.

The project is proving a transparent Air Quality information for more than 80 countries, covering more than 10,000 stations in 800 major cities, via those two websites: aqicn.org and waqi.info.
The base team is located in Beijing, China and composed of several contributors in the domain Environmental Sciences, System Engineering, Data Science and Visualization, Machine Learning as well as Visual Design.

The team has been expanding worldwide, and several contributors, located in Singapore, India, Australia and USA are now also supporting the project.
The project is constantly looking for more contributors, and it has now received support from citizens from more than 98 countries:


Do you want to also contribute to this project and promote Air Quality awareness? Do you have a question about the World Air Quality Index project or about Air Pollution in general? Then send us a message.
Loading contact form...

We usually reply to all the messages within one day (during weekdays). But, please, be patient and allow us up to one week to reply.
Meanwhile, you can also refer to the common list of questions and answers below.

You can also visit us on facebook.com or twitter.com

made in 北京

--

If your country is not covered on our map, and you would like to help or contribute for setting up a new monitoring program, then please check the new country coverage information page first.

If you would like to setup an air quality monitoring station in your area, then check our Gaia air quality monitors page.

Share: aqicn.org/contact/fr/

Credits


Tout le crédit doit revenir aux ambassades américaines en Chine qui fournissent et publient leurs mesures de la qualité de l'air PM2, 5, à la MEP de Chine pour l'énorme effort en fournissant des P2, 5 pour tant de villes, et tous les organismes de protection de l'environnement dans le monde pour leur excellent travail de veille et de publication d'informations sur la qualité de l'air.

All this work is made possible thanks to the excellent work for the worldwide EPA (below list not exhaustive):

--

We are looking for help to translate this website. More information, please check the translation page.
The credits for the existing translation must go to:
Dohyoon, LUCY, Flyinva, Minnie, Andrei, Ame, metger, Martina, Ella, mohsen, Eli, 10, Santiago, sklee, renan, Nik, Joy, Przemek S, yenuri, minju, Jaeeun, Mustafa, Kin, angel, Ravi, Elena , Gerrard, jack, Dali, Elsa, Manish, Mojo Jojo, Liz, didros, Maddox, monserrat, Alyona , Voytek, Satrio aditya, green, moadami, Pashu, Isa, watchmen, diego, rohit, Poda, Jung Ji-yong, Lea, Kazım, Gacdugi, Bs an, Elliot, Kim SJ, Lucía, Shu, Lu, skrypalyk, Jafar, Александр, zuice, john7, 최태혁, keynowin, Isabelle , aki, Marsitown, ko, Mk, jeff, Ambarish, winny, Saila laqifa, YC, steph, Thibault, KAORI, Ana, Jesús, Oriel, Manoj, Nich, Aaron, Aida, Silvia, Bhakta, Tiziano, Stephen, YK, Marie, chiara, Babs, Chloe, n1313, dreamgl, alok kumar, Mohamad, Sophie, sue, Giuseppe, Dario, Pranav, yongkwon, n, debbie, lee gayoung, Shashank singh, J., 이인한, Meenu, ComradeAAA, Shivam, Dolphy, Heejin, nitin, Pascal, vlukin, smith, Jhakkass, Bill, sw park, Alia, oussama, Abbhinav, Supriya, Rea, xts, Prabhjot Singh, naanu, Sanju, Francoise, arash, GK, Chuyên, huy, Edwydge, ä, isaac , Shahzad, Atif, Alx, mri, Sharma, Amit Sood, Ku, ALI, Sharan Shetty, sylvain, Alessandro, Dicafri, amya, Kasem, Leng, Jaye, ma, Sumit, geek, hyereon jeon, Utkarsh, Janina , jane, Basak, Владислав, BH Kim, Nam Dang, Kunal, 졔, 눈사람, mohit, footofan.com, kian, mohamad, Reza Moallemi, Sil, Masih, youssef, ebrahim vahidi, shahram, Carolina, phb, mehran, Anuj, g.m., Federico, Mojtaba, Abba, le cu, Connie , Jay Chakra, Tatsuya, Ashish, AK, Bayu, Madan Bhandari, Lillian, Joel, Dopeach, Jürgen, Hyosub, Rejan, a tí qué te importa, josephina74 , 홍주영, gilles, Francine Paquin , joan, da, Hark, Esteban, Carol, Wid, maju, Jenifer, TJ, Azuresky, Harald, Alain, Aleksandra, Sin, Daniele, Navarro, novardy, Mica, duy , bruh, bj, blinkonly, hobo, fani, rafa, Kelvin, Jürgen , KP, Magda, soheil, Jupiter, claire, Clare, Kenji Otsuka, Vivek, zoo, Suwon kor, ARTHUR, oli, shiv kumar, Ankit, Marine, paftdunk, Boyeong, Martín, Ferdi, JH, Onno, kang seokjun, Ehsan, ., оксана, Porfirio, Mmn, achel lee, Souline, Pia, 짤랑이, ranvir kumar singh, DAVID, hayangom, andrey, Cynthia, Ale, Farzan , Valeria, faranak, Timo, gg, stef, TINA, Alvin, Laila, Igor, aofall, Julian, lei, Mari, Rush, marfisphys, cura, Blah, hyuckjae Lee, allen, daniel, Eva, Barra, Masoud , Yannic, Gervasio, alin, felipe, hyung, Julio, Grzesiek, sik, ferruccio, Kapil, David Campo, Effy, Vimal, Guan, harry, Meg, tk, Tarou, marco, Agui, Noé, haruka, milad, Fefe, Bilgen, Hamid Reza Ranjbar, Alessia, Jeon, unnity, Arvi, Or, sfemat, Radek, ver, Deepesh, ips, Ares.tv, jm, Fedebax, pouya, Chinaski, v, Susheel Kumar , mu, Chang-rip.Kim, Ashvini Kumar, gm, nikhil, Ju, Denis, hye, yj ju, Yanchao, lim, vmsm, Samuel, Take, ml, Nastya, Nacho Sanchez, JT, baptiste, jay, Wellmade, kj, cookie, ad, Zera, Ljon, Taxarod, Phuc, robin, Jorge, ㅡㅡ, Munna bhai, Odile, song, doha, Yan, Gamma, 김현정, Dim, Louloute, Peruzzy, Yoonji, Roland, Livio, Widi, Kyle, Ege, thanh;v, paul, Anugrah, Hsha, junaid, Kate, Gorka, anurag, 김한을, Ralle, Risa IM, Hhk9, Tjana, kagaga, Sebastien, Marjolaine , gale, Deni Marinho, jye, Arina, hanna, Kornel, huguesdpdn, abc, djkein, alh, wolf, 양태윤, Vladlena, Alba, AsyrafFile, Kuldeep, Artur, Trí, Braian , kerosene, Ruben Romano, евген, Olala, dilekkafkasli, ana, Baco, Nilda, Douglas, sledzik1984, yc, Valentina, Jasmina, Maryam, Wanyeong, Adel, Jordan, Esther, jrf787, Ola, Lois, Жаргал, su lee, Sangman, Guiz, m, Belle, Hyeong Seok Ha, Bernie, Kerim, tom, Renaud, jineth, P, Birger, dav, psy, 히하, Amir Hossein, Nicholas, Nessy, Limzy, tackey, ppc, Galaxy, min-chae, FANNY, Suyash, Chandan, xoron, eric, sia, Rohit Pundir , Jeffery, keem, Stefano, Arcantos, Yuu, Mayank, mynk, hourglass, Luigi, neeraj, suji, Alkım, kennywang, mynk0, Jerzy, Osman Faruk, cihat, briukva, jang, Przemek, Deo, Lilian, Fokls, Nicolò, ZZL, kl, fubu, Georgia, Cainri, Naz, kao, jain, irfan, Cagdas, karl, ㅛ뭏, Lulucmy, Minoo, jenny, SFX, Foobarbaz, Arianna, Javier Gabas, MeMe, ha, Aria, qick, hana, tj, tita, Shawn, Mahesh Kumar स्वामी, j486220, Jaheon, Etienne, lightbutt, Esthet, Marco, s, Rino, najafi, Li an, haris, Frogger, Cagatay, jj, Franzi , Pong, Kathryn, NH65, aurelie, Michele, Dulat, K Thipnoy, Sergio, Vladislav, omer, Gunno1, Klaudia , Lorenzo, urbide, Agathe, PHILIPPE, Oh, person, JEON, Chaehun, Salvatore, Made, Nico, Pavlo, EDA, Lalla, 陳柏翰, Medon, Lani, artur, Sahar, Adarsh, cesar, Anja, Manuel Goepfert, Wtfchina, Iman, sliminas, ktv, Hong, Hisayan, shantanu, kinoshita, ron, Hirschecke, prmdk, NV, aamt, heehee, hyeonyu kim, majed, Yann, kowngsoo Lim, chet, 재훈, seonghyeon, jan, mi, Saverio, Jon, Jeannekdar, Sui Generis, Byeonghwa, Louq, no name, Dorene Pettie, andrea, amnk, Matt, Djole, cristian, Jus, Kasra, Gleb, Rafa, Niraj, zahra, nika, Gabriele, Raymond, Afaz, hoyyo, Jadidi, Taylor, Anna , serkan, miczal, Remigiusz, Bartosz, Justyna, Yul, bahman, Fher, Lila, Rodrigo, Aga, Arjun Jain, Letizia, Moji, Krz, ㄹㄹㄹㄹ, Eg John, Tuul, Csm, Voja, Denid, simone, steno, Kiwi, yh, Pjetrek, shin, Hyojeong, toby, shplu, Charles, vic, Jessie, ㄹㄹㅇㄹ, lynryd, Uek, raphaël, Javi, Abiou, Carlo, 김진영, Lou, ppiiff, negapro, LSO, JHS, taejun, Christianne, S, cheawon, Sangmin, kahwa, KongG, Sangwon, kimsungmin, Happy, marimanoli, 호, Cinis, Mehr, Jae, 강민성, Bori, Shin YH, Sihoon, CS, Jiyeon, Vũ Thiện Hưng, CCB, h, ㄴㅅㄴ, gondryee, shangus, hhag, litcar, Stef, Seunga Ha, Alberto, Ed, Charlie, zofia, Reto Keller, franz, Kim jung eun, 노무현, Avanish, Bartek, Ade, filip, Gpaiva, eddie kim, Zuzu, Dżejms, hyuk, Ji, TaeSeon Lee, yui, Callie, Ebrahim, 유키, jimmy, geri, yun, shuxin, Hiep, Awesometic, Hamed.D, kim jihan, Annet, Thomas , gen, Bigblue83, km, Bahar, Julie Lee, kk, Kk, Judy, marie, Norouzshad, Kleper, Leila Shadman, Mar, Masoud, Elisa, 一心, erif, Kim S, 손, Scar, Galch, 장현규, Maleed, Fulanita, ㄹㄹㄹ, Myeh, eunhye, youngman, Rod, goem, camille, JJGalván, Benoit, Haley, rora, ahmad, taha, sauter, daniela, 김현준, hesamodin pishbin, OOBE, Bhu, andre, Serdar, jky, Jeffplay, Diego, Srv, Mina, ricardo, Jacky, Hc, szub, omi, sewon, anita, Jiang Zhu, Eryk, jakie, siavash, غيث, Jo Hyun Woo, Malsioufi, Min Gi, Jung, 박희성, Miladkarimi , maxou, jonghwan, anicca, 도, pu, Khanh, Hamed, 양준영, KhB, Mehdi, B Terry, jitendra, Pagès, Lee Si Yun, buitre, Erik, carlos, houman, Kyong, Soyoung, Edyta, Ly, B, Greg, 강, Marcin, Babak, pl, Ami, Arun, Sanane, Yigit, ter, JCH, leprince, 존, Hossain, 진철, Yui Iwamoto, gusspia, C, Keiko, george, heehung Yang, Zmaj, benjam, くもくも, Tak, Stole, Maru, April, bskienhvqy, wbyang, Miki, daebok, Mreza, 경진, airlover, Rémi, Lupe, Arek, Kihyen, Han, Yobg , Ailisha, sky, Ydun, PowerEn.ir, paui, Lily, Prashant, Regina, isabel, Amir, tomas, mahdiyar, Bahman, Saeid, Deepak koul, Steer, Jeff, yu, Sep, hooman, Q, mostafa, Mobin, alireza, Arash, Huiyi, Armaghan, Abhi, noa, kjhvjh, jinyoung kim, Dekopon, marco trogu, Maestro, Nader, liia, Nima, mchegini, Paulo, Grash, ahdkhalid, João, Krzysztof, vivi, EUN SEUL, javad, Jay Lee, muzaffer, Florence, Damdoa, Xairi, Jess Fran, 安澜, Dylan, ju, sanji, Jorgina, daryo, gummy, حسین, serendipity, Nikhil, Akshay, hamid, AMT, hirohiro, Kamal, Chao, Reza, Frederi, Yuma, sohnman, Y-T Kim, Yassin, GG, czp, Salman , Mosah, franck, marina, Agi, Wojtek, rayeong, Katarzyna, Bere, Łukasz , przemx, Amy, hug, ROLEX, مرضیه, kindofblue, Ewa, td, Susy, Bodo, Dyusha, Fir, vero, Kuba, KimSuny, Dukho, Zibi, eLNG, przemek, wiola, Marti, Everlasting Friend, emil, Ania, Tommy, Fenne, Luca Bersano, shan, Bart, Sasa, hoe, Thieu, utaani, Kokot, Roman, dom, JMMH, AlexS, shahin, Jaquelina, francesco, Bora, Carlos, Parvin, Pierre-Henri, Konstantin, greg, Giuseppe Romano, Rraminn, xantro, SuHyunHwnag, Hugo, Ras, zzz, Jacob, آرش کامروا, 박종호, hamed, Hou, D., abdullah, Satoshi, Sandra, douan, RobyZ, Janusz, Kentaro, Romain , Viet, Eunzi Kim, Virginie, Leili, Elahe, young hyo, jon, emmeline, Sanjeev , Ta-Wei, BSantiago, Herbert, Taegyu Yoo, Parham, simona, syborg, FACUNDO, Reri, remy, enlla, mohammadreza, ㄴ, TERESA, boring, Sopgie, Hasol, chae soo sang, Jaime G, Kaveh, Manue, محمد مهدی, Sarila Saxena, Kim TaeHyung, Nataly, Daud, Zenaida, sharine, Crystal , w.shark, Mark, Tuan Dang, Lin, Mahnaz, Arsha, Trân, Julien, Mario S, Simona, Artemis, Gabriel, Rita Shirokova, cristina, gurcan, Trúc, patrick, Abhinay, goli, porpoise, Karl, Sean, Matteo, cha, dan, Ice, Ant, Dom, Natan, SemiBan, JohnDuz, hakan, Ramon, Soni, Alper, tenz, Mahmood, im, Fabio, joon, Val, Krulik, Gena, Omid, 일게이, Afordancja, Dieter , Tuan Truong, Иван, Darek, Emmanuel, Mandy, Tuyet, Quoc, Ayoung, Chau, Света, Amanda, Wild, An, Thai, q3ok, Dung, joong, Linh, Dinh Chau, Virgil, Michał, SY, Aditya, kamadora, alexander96, Odd, Pablo, Tan, Phu, HUY, sharp, Tu , Nguyen, Waldemar , czk, Bahr, jw, fede, Francois, Armando, Flavio, roozbeh, TYGucci, hiryu, Eugen, Haku, wojt, kimhayejin, Tamy, kuan, mandy, Smith, falko, KB SHARMA, Richard, Le, Santi, Marcelo Higasi, Kylo Ren, Karanjhala, Newsha, Olga, Vlad, Tima, Anonymous , Dyk, Nemanja, zaert, สมคิด, Aleksei, Onur, Fluke, Andrew, Evgeny, Catherine, Jarek, hai, Doe, Mehrdad, Alexis, nguyen, Lê Chung Anh, Jain, Denny, Trang Thùy, Canh, Angel, Blue, Augie, Vinh, Minh, Roohi, julia, Huong, Quynh, Thanh Nguyen, Tuan, Mara, Vahab, Seoul, 133MHz, Amir J, Ngan, Felix , Corey, Koji, Daniel, Nathan Nguyen, Bella, sirivanstriped, Borja, Rainer, Vladimir, mlesche, Rasam, lan, CEMAL KALDIRIMCI, Mansour, Cavedog, AliR, Amirali, Guy, D, Trần Thị Vân Anh, edlan, nino, Silvana, NGUYEN CHI LONG, LeHung, Deanlouh , Xíu, meng tong, Marianna, Jasmine, Hùng, la, Mau, kiara, Farid, Phương, Johnny, a, maco, Calvin, Jay, Lam, matilda, Viviana, Thao, Farhad Agha, elly, amir, jdcaceres, john4, tr, Hassan, محمد, Azadeh, Yuuta, thuongshoo, KRISHN , Ramkesh, EbRaHiM VaHiDi, mary, baki, Alice, Josh, Chun, Noreffendy, Hanh, Hạ Vỹ, Elen, masood, Eunho, fedepetric, Emily, Michela, jh hwang, bobai, Seerde abodh, Piotr, wwj, Damon, Paolo, Trung Camo, carolina, TK, Brad, Zip, Rezvaneh, 조창현, Beh, jlb31, thang, Duy Thành, Nak, Letsi, CYS, Simba, Yeonchoo Kim, Endo, Rika, koshiro, ho, Jim, yura, Dorota, kiarash, 부랄킹, Armin, Grace, Phok-ui, jo, reza, Minn, INGU, Tg, Roberto, Linna, Saeed, giovanni, YMHuang, Jung, Sergey, SungBae, heejune, alison, Akin, andy, Cécile , Jungho, Ika, Godnik, sharon, no3pooh, Boris, xuantd, basu, Ezequias, Natalya, minji seo, MD2, Michael, Matze, Kim Seok Chan, Hanson, twang, Mokha, junh, IC, Lisa, Andi, Felix, Didier, Sławek , Katze, Azin Mirsayah, 14geronimo, blumx3, Kristof, bodson, Windforce, Juan Pablo, vahide, TranQuangHieu, Houmani, yol, Yumin, Frank, Saki, Kai, Alex, Ryan, Marcel, Trig, Vecheslav, Yulia, quan, Elim, Yoko, Saru, Tamara, Lika, hxdzrn, John, Lynx, Yang na hyun, Billy, Lawrence, pouria ameli, Peter, Skyline, carol, momecko, Misyuk, Sam Morgan, Ehsan , Jenna, MM, Sung Kim, Thuan, Mhum, igyanka, Yury, Dariusz , att, Sascha, TrangDT, Ilya, sajeon, noog, Amir hossein, Area501, Shivangi, taiwan viva, Soo, Agnieszka, Alexandre, Geronimo, Tri, Leo, A, JOhn, Azu, ASHLIY, Andres, Роман, MaksymZ, nim, Alexey, evgeniya, Pham Vu, Im Jong Won, Masha, 5988, Elena, Lam Le, Haru, hyunjungkim, Lena, ilya, usalab@3x92, Magnus, Labik, Phan Thuy, Aleks, Brian, Ho Huu Hieu, ibrahem, AL, kolakao, lika, Nana, Pibou, elina, TT, nazi, Kevin, kshar, Guo Aiwen, ATZZQ, roman, Jules, Thắng, dmitri970, Zoe, serkan mermer, Tony, meeta, cheng li shan, Thanh, Daniilwang, Mehmet, Chris, Oums, An Nguyen, Mario, MuddyPearl, Michelangelo, Phuong, dtim, Serhad, Calyce, Sollos, 5, Ben, JJ, lisa, Hung, shushi, Don Tai, gaggi, Leila, Duong, KS, Jamie, Voss, Dixon, Gloria, kotokoto, nat, mizu, Leobrunelli, Anjir, Ammar, greta, Fran, ehsan moslehipour, Thomas, Omid Simaie, Andval01, liuyue, K, Fuck China, cigdem, Volodymyr, adamsc, Drake, Yun, lee, su yeon, Vik1809, Toan, Elo, Mitang, rain, YuShan, Jesus, Step, vinay kumar, SilentJake, Anna-Maria, Miguel, Leszek Wiśniewski , shemshad amiri khorasani, ed., arthur, Trang, Tomasz, DJ, abs, Luke, blood master Jennifer, Zarif, gue, Dr Rahul, hello, sh, iman767, Noosh, inizio, Vitor, NATE, Dave, Jacek, GüntherL, Alfonso, Scott, Oleg Rybalkin, Fufu, jona, Steven, tina, S.Hong, larry, ginny, JIALILIU, Khalil, Chomira, AwakenT, Rajat, Zibby, Raphael Bonnet, John, Marcelo, Kasia, Arman, Orlando, Peyman, tangkwa, Ol'dirty, w, ㅅ, Mikhail, DK, fg, Tobias, gosia, Patrick, Phil, Siamak, jongun, maria, yve, Nisc, SJ Shin, Lenalena, Damian, Knarf, Tao, Seb, Khoi, sahand, kiso, Abby, alex, syuichi yamamoto, Helen, Abdolah, rus, okl, kuroshiba, mls, YOUNG WOON, nam, 세광, Dr. Ram Chandra, Wu, mimmus, acidfunk, Giulio , Katherine, Henry, Michael Ahn, Jumarae, Benoit , mk, Mahsa tohidfar, keyla, Dmitry, Muomtrang, Hyobin, Jack, Tilt, mario, Camilo, yeongbin, Jjin, young, Reza rad, Enrique, Zack, Gizmo, quannt, Ravil, Mohammadrezabm, rafal, Dzung, joy, Sumuro, ああ, Weronika, Sandeep soni, Vaibhav Kumar, Noella, Hamid imanzadeh, Piers, mat, shankar, 김효성, Nabil, Sky, Dr mohammad, Konrad, DaegiKim, Janet, Lima, DropFan, Vincenzo, larrypark, Jung Sung, igor, Taipeiren, user, satagooni, karma, RAJU, Jp, lili, Maciej, Vicente, TG, hoan, Sam, AKS, Blanca, Jasmime, ㄴㄹ호, hyeonzy, aleum, chan, SAm, ia, Varun, Arom, jinny, kubn, Christina, dongho yi, Hico, Deepika, Manik, Dr Farzad, mathew, Heejae, Mah, anil yadav, Jaehyeok Ju, Dimche, showlyn, suamom, Siavash, 우병석, 欣, Kiera, Lucio, Vishal, JEFF, Shresth, Sh, Jimmy, fuluen, hj, 노지영, Sun, TH Sun, yoon ji, CM, tack, inyeong, jisook, Oskar, Ambrebalte , Andreas, A.P., Jinni, amza74, J.RenaPark, Honda, Witch, Hacu, no, Junsik, Char, seonjeong, matty, dis, Ej, gghadios, Js, Marc, Thom, fatemeh, Seeun, Lucas, dauchez, Kim , Farhan, Irina, marta, charlie, Hub, buji, Kwon, CaseyNoh, آتنا آرانیان, all, Nguyễn Đình Dân, Yekta, pablo, Rig, Shahan, ast, Laddoo, lee hyun, Sal, saman, Kamil, Ny, Ngo quang huy, armin, anni, far, layra, Vet, choi, SANG, Krystian, Isolde Kov, Oliver, DY, Collen, god, Kha, Mohammad, Michelle, hy, Young, Your, 진, anuj, satish, ALEX, KROLIK, modi, jim, toki, So hyun, Alessio, Hyun, messaoud, Rezvan, Sissi, Pio, Gerard, mamed7728, Felicula, 조, palmes, Harsh arya, sim, BRIAN CHING, Joao, rosa, kake, Kartavya, yj, Sunil, Fablo, nana, Mohammad Ali, Rajdeep singh gautam, Shishi, dolc, siri, Paweł, MrTsu, Rounak, Marcos, tayfun, Ali Hosseini, jasmin, Jj, Stefan, Yahya, ja3ck, Am, gsd, heesz, tuan, JSKN, kubelsmieici, Mat, mreza, Park, Harsh , 22, sunil, LEE, mahboueh, aleksandra, Pramod , Dato, angie, jhomn, Brisa, Nicolas, anonymos, koeun, mike, Luong Tien, Liber, emanuele, duy ninh, Ananta, Ivanir, piyush, Min-Wook, Krishna, s-takase, Shubhnay, Ak, Saber, Aditi, amon, Suman, Bam, hyun, Nitesh, scott, Taku, MR.Q, EPOX, pulkit, Bam, Tina, 김승엽, deepak, nik, Sachin, kazuya, Skurwiel666, shai, EOF, Mohammed, Jokee, Vaibhav, Nemy, jen, koh, JUN, Mrituanjai, Özge, HHSU, Shivam Porwal, nihil, pravin, Serega, kjhk, Sagar, Panyarat, Susi, Paul R., Zohre, louise, Kim Cholhwan, 야, Hideki, Xwayz, jules, Lucile, Limer, winnie, bryan, ปอ, Anie, Tính, Shahab, Renata, vilx, Gonzalo, Elian, Shiro, Dulux, al, 14, rubri, theo, Louis, Dominik, Schorsch, Pamir Kim, Benjamin Kim, dolkim, Shinhye Choi, charly, Mahmoud Kaiyal, Morengi, Shivnarayan, Teddy , Ak6, Elice, Gandalf, Nandan, Shane, hyunseok, qdfggd, Emily , 이서준, Akhil, Gaetan, Kike, ChunYu, dart, jnisperuza, Jose, Tilo, 이주연, Gabi, Keyhan, Andrey, Jola, Vikas, Randhir, Arsh, You, Shamim, Alejo, KLara, eg jon, Salman, Nobi, Chanki, MINI, sandstorm cha, Ginevra, Dominika, Sagnik, Seok, Dr. Lamya Daghestani, Adi, pod, ignatius, Vilon, Na, Jan , Shekhar, ParkJoonYoung, Angela, Pecanpi, Jinn, Haegeun, Just, Tee, hanna Choi, Anastasia , MYUNGSOON, nobreak, sean lim, silv, SONJIYOUNG, zenon, Darious, 할, DeliciousJK, effy, Anshu, Яна, ECH, Y, Nhi, 100i, kamyar, sergei, zeze, kool, Patounia, Wilson, t3sla, lulu, saosil, hp, Samir, celine, Kruskal, Jiyoon, 형준, Babban, Yvan, Sofie, Herbert Lim, CJ, مجتبی, Massimo , Remy, Vitaly, jpark, Aman, jessy, hikaru, ADEL ALHARBI, FP, funda, Federica, Brijesh , Mehrzad karbalaei, Duy anh, zoro, Elizabeth, mr.zerow, Bharat, himiri, sooae, eureka, Arturo, Vanessa, ela, ig, Santana69, abh, jone, Avneet, Dr. Ahlawat A. S., Olek, kiko, Ambuj, SJ, jonghun, viktor, Eqbal Sohrabi, deu, Wonil, Lovi, sumit, harshit, SEPEHR, Julián, Bryan D. Song, Vien Vu, hn, VIctoire, Mehran, Majed, Baerbel, manjeet, peace kim, Илья, Hiroko, chens, Marcel , Vasilina, 김태곤, ANKUR KUMAR, 윤, js ryu, RYOHEI MATSUI, sam, SM, Дарья, kapil, micha, 1860, Deepal, njin, radman, Hosam, Azim, Morteza, Lee HJ, Сергей, EJ, Anshul, patrick kim, june71, leumsa, حامد, Joo Han-gyu, MN, Akirahugo, Franco, kasra, Jai Govind Meena, Stex, Linden, Bc, Sofia, eh, ric, Marzieh, Mukesh Singh, Grfr58, 2ez, payam, David Cheng, Dirk, Prashant Dwivedi, zafer, CK, anjn, park, shashi, Babalena, hsk, emilio, crep7424, gangesh, heejoon, Behzaf, Saman Payandehpour, hibiki, nima, reyhanehpahlevan, sina, John10452, Vansh, Mohammadreza, SUJOY , kesh, Deise, Tayebeh, Krzysiek, Hannes, Mn, Ricardo Souza, Алексей, nader hesami, San, shima rafibakhsh, Sunil k Saini, Arnav, koji watanabe, Mysz, Sharath, Ellen, Clara, daodaozhang, Laurence, Pier, folan, aaa, Vera, Gabor, Meysam, Jane, Juliane, romi, PARK, Mohsen, Farhad, Jang, Lio, Moe, Sandeep , ㅋㅋ, Al, J34sysrq, Hooman, Boshock, pooh, Att, Dest, Dreadlish, Murli, Aleksey, Rahul kumar, Dongjoon Yu, Riccardo, jf, Titu, Klaus, BAHARE, ro, Raj, steve, Amirhossein, Michel, zara, Randy, Ellin, GuHyun, امیرحسام, Serg, ania, Stephan, soroush, 'reza, nono, Deich, Mahtab, Giorgio, hossein hazrati , MISI, Ardalan, Abdo, Myriam, laya, محمدامین واحدی‌نیا, who, Huhumom, valentina, yeonks, pat, Abbas, Felice, Berni, Zaki, Shahryar, Galo, toscanelli, Guillaume, anne, Neeraj, Nankyung, pitt, farzad, jalal, Varinder, heuzer, BezKa, Tinka, yasmin, Sergej , Matexx, Sara, Pejvak, Will, echelon, hyeonse, Susanna, Ago, Jacofki, Jessica, Hui Eun Yang, JOAN, 徐缙晨, Mohammax, behrooz, Daffa, Gustavo, schnuffo, maosuke, HedgehogInTheFog, André, Ariya, Tuấn Anh, Yuan, Kareem, Oleg Romanov, xiaotuanzi, sachin, Mr Ist, Steven Correy, Pawan Tiwari , Behrooz, Emirhan, Alister, Yoosef, Fernando95, Roozbeh Rahiminejat, Олег, Kaambiz, Błażej, Nishant bhickta, amin, Amirreza, fahd, Rus, Jb, nofal, beatrice, Avid, zeren, Frank Choi, YSK, Minso, Diwas, Rolando Pedemonte, Efrain, Amarcord, Uli, jramos, LuigiF, Song, Lindi, Hani, Rajneesh, Nohyun, Rajiv , Cherry , Anurag, kelly, mar, RAKHEE, li, kathy, ilshat, Geoffrey, osik, Tama, 中澤和雄, Branko, Ann, duygu, hamu, sergey, 김민규, shiva, young J, Shubh, Imran, Mei, stacy, Lemmy, Alin, HNGJN, rusky5978, 윤가정, xid, JohannesK, Leah, Arian, Liz kim, kyung yi, misook, Vipul, jack lee, 동원, Yiying, Hessam, Atul, Yeongmu, sami, Raul, maio, jiyoung, Nishant, Mukul, RAKHEE RAJPUT, Wai, Karin, ayoun, Anniene, dfg, 이정우, Seismica, awanish, Emilio, Reiko, Wit35, Devender, Lol, Ioanna, پرتوشی, naveen, Pierluigi, Naoya, Mostafa, Dmytro, eloy, Alu, knope, munkyu, Muhamad, fernando, RadekM, Yongun, skhugh, Hanna, Praveen, chn, Shamshad, marwell, Qbus, Moein, Viplove, TimK, someone, Xip, 好, Aidana, junyoung, Garych, lucy, Hello, aysehime, Katayoon, Pc, Manto, Ralf, HD, ay, Wlodek, Neoadam, Jinah, Doh Kim, Bo, m k, yoon, Cho In Soo, MT, Lee, eg john, Ashu, Jamal, M@riusz, Nurzhan, marck, subodh, Marie-Louise, Raja, blend, Mostafa , mason, Kirk, Dani, amit, Vikram1021, Darren, d, jaggi, Erina, Thierry, jaymz9634, woojina, Ahmed, Jue, hexabinaer, flat, Isha, Smits Daniel, ㄴㄹㄴㄹㅇ, ruben, nor, Suki, yoonhok, son, Verifier, Karen Noguez, Affetk, cara, fio, Son, DonTai, Dolly, оло, sk, bobob, Aude, WEI, rbuzu, Tarique Anwar, Misagh, Nasy, Мария, Ver, K.S, serge, Xavi, muhammad, aa, Tillmann, jun, Deb, 승현, Markus, Sasha, vivian, Hans, Shine, Wooseon, YeongGyu Lee, rex, Jass171962, poliz, Siyeon, Leeezy, Ali, Joanna, ポチ, Raye, myung2584, sso, Luis, Bon, sunny, GS Lee, Jun, Yong seon, lucia, Jjong, YUN, eg John, jill, 강구현, hoh, 55natasha, Vinko, ted, raph, YAHYA, Radhey, Robinson, Hannah, Ssh, Riyo, plexus72, lolo, leb1959, 은지랑혁이랑, Rohi, ztn34, Divya prakash, Марина, Theu, chejuheon, VK, Teodora, sean, Sanjay, seba, William, j, Jerry, sarang, Parth, Iuri, fisterran, 윤성, allan, Be patient, Adrian, so, seongho bak, jawon, alexupe, Pratik, Emre, mcristelo, ali, Thiago, Tom, ken, FT, Putri, andres, David, Vueee, johm, Choi , Roy, mahdi, n-ci, 陳自, Duy, Leszek, pepe, James, ms, 노, rom, Minju, Kay, 규호, Jihye, rahele, Johannes , vinh, ege, Jaehee, eli, Hoang Trieu, willy azarcoya, Mela, teresa, Huseyin, hmg, annie, EY, Pi, kris, bil, Suyun, tung, librabit, IHKim, Serge, Kim, shiny, Khyen, Phat, Aeon, Calvin Jeong, Egor, Kim Anh, Lana, justo, Marat, chm, Jinny, sj chae, iamJiLao, Felipe, Wunan, khaled, Mincheol, heesya, phil, yoko, Mi, Kid , Franck, Narae, Jade, matthias, B.J., filis, Li, Ewa , Panda, MrTruth, yoann, Geo, karo, giulio, ck, Jha, Jonny, Verónica Pérez Alquézar, rahul, Edvin, Danny, 일조, Hiromi, Thorsten, Satomi, JP, CAPSLOCK, Lars, zazoo, jade, maga, Karolina, MOS, KiLa, jingyu, Lucy, Hyeonil, jonathan, FAB, Agnes, longbird, Chrizz, Ni, mathilde, Pierre, Georges, biciyjazz, quito, Polly, luca, kei, Niklas, Jill, marcin, Kaleido, badis, Artur Mendes, caterina, jooyoung, Eric, Flukekie, VinKuB, Madison , Adamsa, Hoschi, kazan, cathy, marmar, Majid Amani Beni, Judith, lena, JKT, Alan , Jon Lo, Wolle, User, Nazmiye, arnaud, Laura, WEI Lin, AkmaieAjam, Kunhee, Irene, Toto, Bernhard, V.Hormazabal, sun, Lionel, buio, ds, ssom, Steph, Natalia, JOHN, Vincent, Hey, Smart, js, seul, 배서유, Kyu, sms, leo, Alex Kyungho KIM, Yesenia, sung soo, anhour, France, Jo, Karol, loa, Rosa, kalle, Alison, roh, Rebecca, keshav, 심재학, Liza, QuyenNguyen, KIDO, Graynun, jackson, xcape83, Ad, Tiffany, Joan, ann, Pedro, In sun, JD, Hyunjung Kim, Risa, leonid, sw, AJ, hang, Pete, dikh, Roddy, Felipe , Shin, Silver, Ghazaleh, Ashk, Sonja, Atahualpa, Halla, james, Lalya, Camilo Rivas, 이혜련, Albert, bbang, mahnaz, Carmen, warren, vinny, Fanny, 재이, Nikola, Lola der La Bavière, Il Fabri, Ahmadreza, J, Trung, Martin, Evan, Cường, fab, Hoàng, Mo, bangsongboo, XYZ, Victor, zhuth, rianna kim, Ber, Claudio, Minsu, Ricardo, Jayooin, dmitry, Coco, ManFr, Anh, Ngoc Anh, JUBN, Win, Jannis, AB, Tuấn, So Li, Ryan Kim, tadaben, Caro, LDL, Sarah, Yui, Chan Chun Ming, Dan, daxia, Giang, ILlolita, Raf, Gustragon, daria, gary, Julia, Tung, Shimi Baliti, jackz, Corr, Francesco, AG, Florian , Taemin, bart, Edu, Marian, jhon, Kockel, mb, Benni, ka, Sebastian, vava, Ancha, tobias, JB, Long, 娜斯嫁, garynieh, Navid, Anya, , Ivan, Snitivan, orexis, Soyeon, Dasha, den, Me, Kyujin Shim, Gabe, Pouya, Kana, Gyeon woo, 金骏, insid, Heony, YuriM, Kien, hi, H, Wutang, mir, roro, Slava, mika, Jose Mário, Shimipon, Mike, Helmut, Jongwon Kim, Flo, Bob, Jakub (z innego IP), Halex, Oksana, Jakub, Khoa, Taeuk, Lusman, davood, Quang, dhnhut, Hoang, Belen, Cảnh, Vu Phung, cherif hatem, Ahmet, YeongBin, 柏松, takashi, chenghuayang, indy, Fred, kim, Merkaba, Pavel, john, Norberto, pixius, Robin, Behzad, cuong, Micha, Fisch, mohamadreza, Lara, yoshio, newo, 11, Mel, Juan, Maki, Hardy, 2xD, 智史, Nguyễn Trần Nhật An, Dongjin Lee, Hashi, Max, trang, cho kyoung min, M, Reza Najafzadeh, Ahmad, oscar, Pearl, Hieu, Le Quang Sang, Andrea, đỗ quang anh, Amardan.IR, Cristian, hankizu, Nhung, Tuong, Vichugo, Woody, chi, Mai, Demis, Duc-Long Le, uccello, bolt, kanii, Loan, thai, long, Tin, Manuel, Rachel, Delinsen, Khue, Jacl, Hossein, Tal, Antônio, Lam , Khiem, Ludmila, Manolo, Cecile, chev, Claude, mj, MJ, Daole, Asya, Hl, lara, Porpoise, Mathias, Harry, Khang, Jacques , Tuan Vu, Nagi, Hiro, Vu Ha, sla, Robert, Holger, jean, hoang, TH, xnick, Phi, Mingyu, mohammad rastin, CJH, 김동현, Leonardo, Linh nguyen, Huyền , herbert, Francisco, MaxPlayne, Tomo, david, KT, Elisavil, ash, Giando, Halil, dd, Khue Vu, Eugene, ting, Paul, Gio, Jason, curzio, Chiara, ntc, hy.w, -(. .)-, hadi, Artemi, Joe, ravi waghmare, Bao, amanda, sempol, sarah, Dima, Simon, Yasmine, Wen Wu, Ms K, Min, alfonso, NGOC, nicole, Fatih, Jc, Green, SeungMin, fernanda, Justin, Jazi, Steve, toanngo, Hoan, Auto, frigger, Anna, Anton, Tấn, 서동현, takibartek, Trinh Nguyen, Nam, kjk, Gahyung, Celia, Anup, Luca, Jennifer, Jason Zhong, medeon, Hsin, eleonora, Aidina, Wolfgang Petry, Lien, Im, Anthony, julien, bach, Mukesh, kys, Iseop, Ruben, hyojong, nick, HANZO54, Jérôme , Eve, pierre, Mikołaj, madeleine, Magdalena, Uleańka, Alp, JINKOOK, Zee, Ryo, Tomek, Edi, sscan, Ianduck , Viacheslav, Tan , Darius, Mariusz, y, Abhishek , Neves, Negro, Lorenza, Vinay Awasthi, Yen, Fermín Garcia-Herreros, gab, Javier, matteo, Faflok, mahyar, Grzegorzowski, Noroziali.a, tommy, Jurek, Sh., aq, Dexter, Hug, Jose Joaquin, greurd, lidia, Mason, daho, Pham Phu Huy, Shaw, Cezar, Mm, takahiro, tohid, Bunny, Neil, Maks, lusie, Simone, van, Przemek , Kelly, Dicky, Adam, kazi, Edwin, lola, Iga, tanja, Shun, Livia, mime, وحید, Barbara, DiDi, Hyesop, Lukie, mart, 烏卡煦, Antonio, hugo, Margarita, Parviz, Dawid, Casra, Maksim, Marco , Braham Yi, Pedram, Mado, Hadi, Alan, ai, elen, Mice, Patrice, SONG, am, mana, doyoung, nobr, Michinz, sal, taka, Stefy , Niccolò, gaurav, Ivano Fulgaro, CarlesGuerrero, Steffen, ollieno, Ahmed Ayad, Sali, Damien, Gilles, Agata, maura, Johan, Wikibear, Marko, naoki, Sa, Maui, max, H.h, sabina, Ewelina, Lemon, Jake, Vladislav S., Pedja, Marek, philippe, RHW, Manouchehr Kouhestani, k, Jiao, bee, bn, rean, JULIETA, Enver, asdf, personx, Christian , Darya, ㅏㅏㅏ, israel, Joseph, Woon, olivia, Slash, MuratManchester, jboy00, dwivedi, Seul, Trinh, toto, Kulfon, Jaseo Park, each, CNU.KIM-KIHYUN, Won, Zeme, AGT, ryan, moon, Marissa, Ero, Marcus, CongLB, Maksymilian, mp3, jke, mia, jefferson, Kwenshan, Eileen, Pancor, Hugo Coffart, heinz, Bru, Yuna, bo, River, Erfan, Abdulla, mr K, r, SwissMichel, piotr, tgd, McFly, seongbeom, Yunjung, 박민영, ㅇㅇ, PIGEON, ㅏㅏ, Yeonsoo, ?, jeanne, hyucke, kim ga hyeon, Ladizzz, Hogu, egjohn, Romin, Jack, Fatima, Tomas, shinhee, jeongeun, Thang, latmiz, Wi jeong hui, Sj, savina, HAN, punkie, Nastaran , Roubbie, Tanja, Twain, Sadeq, InsaneManiac, giuseppe, francesc, Ed Huertas, patricia, Monk, E, duha, ChristianS, Wiktor, geoderieulay, Witek, Mart, kasia, tuba, Giulio P, Przemysław, Erif, deekay, robcel, Rigaudien, Gosia, Woo, rafi, chloe, Den, Janne, Locas, gemui, marcel, Steve Koo, HP, ElPresidente, Stéphane, Marta, StephLUX, Liyun, Giulio, Fabrizio , Lizzy, Choi, Ashkan, jairo, ubych, Sebas, 오지훈, Saf, Fabio , Krzych, Szymon, Ujal, ravi, DAVIDE, marisk, WJ, Anastasia, rowdy, Anto, Kaz, oxi, Nvsdv, Eugénie, mateusz, Deepak, Davide, Jonas, Rafał, X, minji, Emil, paradx, Chelled, rebecca, Solid, Mateusz, jerryoculus, Kola, Tiann, Zuf, Chun Dong Woo, marek, guys, Jérôme Godelle, hye sung, Pistache, Eblan, Allu, hee, dani, dh cho, susan, Xnja, Joao Borges, yewanny, Jin, hyemin, Matogi, Rio, Ajma, eileenthg, Ryu, Priscilla, jq, Jan, Katie, Asunción, Christophe, Pierre luc, johan, Hubert, Kang Min Kyoo, samie, EE, Hax, Andrzej, Мурат, Dean, ALF, Wooyoung, Moon, waa, Jem, Juhee, Pikachu, minseo, Gihyeon, Norman, Fra, Nguyen Quang Huy, Manuela, ar, 연심, 12, judith, Kolo, mirta, Chino Chang, Matthew, 김성수, Anthony Patton, bk, 1, dingding, Scarlet, Kang, the9, eve, Seckin, Gus, an, Sukjun, KJE, faisal, Bifi, subin, cal, Axel, Gaurav, Omar, Flostor, JuanM, Yifeng Zhang, Elda, jamal, Dian, Quack, Seung, Man, yang, hilo, luigi, marc, NILOUFAR, Floh, lod, Thamer, Captain Dalv, nickle, Simo, Lollo, tamara, Ikari, Maria, Giò, Peterson, CODYJr, Jenny, Minh Phuong Nguyen, Susan, hitomi, anonymous, Isi, Ali Baniasad, Naser, Mary, s176, Lina, Translator, Paqui, mathias, tobi, Nami, Anke, polianka, olena, CorinnaZ, JacobyJones, Art, timi, Oscar, Armand, silvina, Indra, Marina, Yota Hisamitsu, Elle, Arvid, Bern, Cho, charles, anna, Nihar, ton, Christophe Regard, kang, kivanc, eilio, Rigel, mohammad, mark, Alireza, amirshahriar, Saurabh, arman, Pejman, mehrdad, MHE, Shom, ٍElham, saeedeh, May, Rahul, Abhishek Ranjan, prateek, Pikapika, pras, Sorosh, Akhilesh, Belinda, Nakagawa, Siavash Mehrabi, Rower, Amin, Fabien, HARU, Cicko, deshdaaz, Xit, Ajit Kumar, Mahdi, HandyAndy, anil, nina, Yuan Li, shayan, Himesh, Pawel, jordi, Quentin, Amit, Jam, Aayush, Gogin13, Tien Trinh, Ravee, wjc, Stella, Andzej, Tacoon, Luan, Ron, morteza, Aurelia, Essi, Hitesh, Pooya, BehrawD, Sepehr, RUDY, sadegh, Yoongi, sLAWEK, ham, Vahid, Mehrad, Ref, 119, mkk, Duke, phuong, yejun lee, Andy, Catalin , sa, dol, Sven, Gem Ngọc, Ah, Reza Bayat, Filippo, Philipp, vdquynh, Yoichi, Rafal, Hai, Huy, Thangnv299, tu, shu, Raymond Le, Lukasz, 3, peter, Samuele, toni, Michi, ฿฿, Ok, Elisaluna, 채수상, 당근, Nick, ggg, Jean, navid, Yi Jeong, Felycia, sophie, Olivier, Reum, Fathur Said, Caroline, roh777, Belengo, MP, José Anto io, abdullatif, Fabian, Anil, Min Ji, Zoli, Ettore, Harshit, Swen, mg.yang, younsoo, udi, michal, markusf, Tess, Gina, Sunny, alinajafi, Hardik, Raquel, Clem, keb, Shreshth, Tim, suke, Shelly, hiro, _HamedZBL, Minji, yupeter, Arn, hamidreza, Yuki, zsh, lime, 姚明雪, Rafael , Hamidreza, VLADIMIR NIKITIN, Bernardo, Hamed beirami,

Common question & answers

  1. Air Quality Data sources: All the Air Quality data seen on World Air Quality Index are the official data from each country respective Environmental Protection Agency (EPA). Data from each EPAs is measured using professional monitoring equipment. The full EPA source list used in World Air Quality Index is available from sources page.
  2. Seeing different readings from other websites: This is most likely normal, and due to the fact that different websites use different AQI scales present the data. At World Air Quality Index, we are using the US EPA scale, while other website might use different scales. Check this article for more information.
  3. I want to monitor the air quality in my area: As high-end professional stations can be really expensive (more than $10K per stations), the World Air Quality Index project / Earth Sensing Labs has designed specialy optimized and affordable monitoring stations costing as low as $200. Please check the GAIA air quality monitoring station product page.
  4. I want to add a new station on the map: Provided your monitoring station is qualified (for instance if it is using BAM, TOEM or GAIA technology), then adding a new station on the map is not only simple and straightforward but also completely free. Please refer to this page for the full explanation
  5. Data quality & real-time validation: The data published on World Air Quality Index is real-time and therefore unvalidated at the time of publication. In order to strengthen the quality, a set of real-time AI algorithms are used to detect abnormal data conditions (sparks, low reporting, etc.) and automatically 'disable' data reported from defective stations.
  6. Historical data access: We are currently investigating with several international institutions (WHO, UN, GEO) the possibility to setup a framework for accessing the historical Air Quality data. If you are from an international institution, organization or university and want to join this effort, then check our data platform page.
  7. API (Application Programing interface): The World Air Quality Index project is offering a free API for maps, tiles and programatic JSON access. Check the API page for more information.
  8. Contributing to the World Air Quality Index project: The project is always looking for more hands to support the activities: For instance, to write articles, to improve our applications, to create new data visualization, to improve the air quality forecast or to translate the website and app to news languages. Check the contribute page for more info.
  9. Fundings: The World Air Quality Index project is independent from any governement and any "profit" corporation. It has so far not received any fundings from any public entities. However, in order to keep the highlest level of integrity for the health related information published on aqicn.org and waqi.info, we are now actively working on seting-up funding links from the UN, the WHO, the WMO, as well several of the global EPAs as well as the major NGOs.
  10. Why chosing the U.S. EPA index to harmonize the data? This is mostly for historcal reason: When we started in 2007, there was not so many alternative, and the US EPA was actually quite proactive at promoting the idea of clean air, so the choice was natural. Some alternatives, such as the European “Common Air Quality Index” could also have been a good option, but the EEA failed to promote their standard. This won't be a problem for long anyways, since we are now working on a improvement which will allow users to select any scale they want among a list of more than 80 scales!
  11. How many cities do you currently provide air quality data for and is the info available on your app in each of them? We are providing the data for 9000 stations worldwide ~ that’s around 600 major cities in 70 countries. The info is available in the app for each of them, but not all of the cities have the “full” set of pollutant monitoring (e.g. PM2.5, PM10, Ozone, NO2, SO2, CO). For example, some only have PM10 or a composite AQI. We are also continuously increasing the coverage, targeting to get 10 to 20% more stations every year. The full list of cities and stations is available from this page.
  12. Media kit? Our public media kit is available from the media kit page.
Any other question, please check the Frequently Asked Question page.

made in 北京


À propos de la qualité et de la mesure de la pollution atmosphérique:

A propos des niveaux de qualité de l'air

IQANiveau de pollution de l'air Impact sur la santé
0 - 50 Bon La qualité de l'air est jugée satisfaisante, et la pollution de l'air pose peu ou pas de risque.
51 -100 Modéré Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.
101-150 Mauvais pour les groupes sensibles La qualité de l'air est acceptable; Cependant, pour certains polluants, il peut y avoir un problème de santé modérée pour un très petit nombre de personnes qui sont particulièrement sensibles à la pollution de l'air.
151-200 Mauvais Tout le monde peut commencer à ressentir des effets sur la santé; les membres des groupes sensibles peuvent ressentir des effets de santé plus graves.
201-300 Très mauvais Avertissements de santé de conditions d'urgence. Toute la population est plus susceptible d'être affecté.
300+ Dangereux Alerte de santé: tout le monde peut ressentir des effets de santé plus graves.

Pour en savoir plus sur la qualité de l'air, consultez le sujet Qualité de l'air sur wikipedia ou le guide AirNow de la qualité de l'air et de votre santé .

Pour des conseils de santé très utiles de Docteur Richard Saint Cyr, consultez le blog myhealthbeijing.com.


Usage Notice: All the Air Quality data are unvalidated at the time of publication, and due to quality assurance these data may be amended, without notice, at any time. The World Air Quality Index project has exercised all reasonable skill and care in compiling the contents of this information and under no circumstances will the World Air Quality Index project team or its agents be liable in contract, tort or otherwise for any loss, injury or damage arising directly or indirectly from the supply of this data.



Paramètres


Paramètres de langue:


Temperature unit:
Celcius