Osan-dong, Osan-si, Gyeonggi Air Pollution: Real-time Air Quality Index (AQI)

Osan-dong, Osan-si, Gyeonggi AQI: Osan-dong, Osan-si, Gyeonggi Real-time Air Quality Index (AQI).

Moderate

Updated on Monday 9:00

Temp: -1°C

	Current	Last 2 days	Min	Max
PM10 AQI	74		30	170
O3 AQI	8		2	34
NO2 AQI	45		7	50
SO2 AQI	4		4	9
CO AQI	6		5	7
Temp	-1		-3	7
Pressure	1021		1018	1030
Humidity	80		32	91
Wind	1		0	6
Rain	0		0	0

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News (August 2^nd, 2013): The Air Quality data for South Korea is now based on 1-hour real-time readings, in order to give more accurate information (previously, readings were based on 24 hours average).

March 15^th: On Saturday March 29th, from 20:30 to 21:30, the aqicn.org team will join the the Global Earth Hour. During this time, the website will be inaccessible

December 28^th: The Android application has been updated to version 3.0, and comes with many new features. Check out the details or just download it.

September 5^th: The AQI calculation formula has been updated for some of the countries in Asia. For more information, please check the FAQ entry about Revised PM_2.5 AQI breakpoints.

June 23^rd: The Android Widget application for the whole Asia (incl. Singapore, Japan, Malaysia, Vietnam, India...) is now avaialble from the Google PlayStore.

June 22^nd: Singapore PM2.5 based AQI is now updated on a hourly basis. Thanks to Singapore National Environment Agency for making this happen.
If you wonder why PM2.5 AQI is so relevant compared to PM10 (since PSI is only using PM10 data), please check the article about why is PM_2.5 often higher than PM₁₀.

June 21^st: We apologize for the slow update those last 2 days, due to a huge web traffic increase, partly due to the Singapore smog from Indonesia.
In order to improve the situation, we have upgraded our front-end web server to a high-performance server.

June 4^th: We apologize for the service breaks during the last days (Monday 3rd and Saturday 1st). The problem is due to our backend server.

May 22^nd: Vietnam Air Quality information is now available for 3 cities: Hanoi (Hà Nội), Da Nang (Đà Nẵng) and Nha Trang (Khánh Hoà) .

May 20^th: Shenyang (沈阳) Air Quality information is now based on 3 stations. More information available in the faq.

May 11^th: The city geo-location system (i.e. city position on the map) has been updated to take into account a growing number of cities.
In case you notice any issue with the geo-location, such as any city wrongly located on the map, please inform us.

May 6^th: The Air Quality data information for Japan is progressively going back to normal. If you notice any issue, please contact us.

March 15^th: The Beijing AmCham is organizing a session on 'Air Pollution and Health: What You Can Do to Minimize Risk?' on Thursday March 21st 2013. More information available here.

March 11^th: We apologize for the service break which happened from Sunday 23PM until today, Monday, 9PM. This break was due to our web hosting provider.

February 21^st: Our new back-end server roll-out is started - with the objective to improve the incoming traffic bandwidth. If you notice any strange issue, please contact us.

February 7^th: The Air Quality Designation is now updated to follow the EPA standard. Check the FAQ for more information...

February 3^rd: 2 new entries posted in the faq section about Why is PM_2.5 often higher than PM₁₀ and Can masks really filter PM_2.5 particles?.
A problem has also been fixed in the server which prevented some of the android widgets from beeing updated. If you still see some problems with the Android widgets, please contact us.

January 19^th: Shanghai main AQI data is now based on the maximum of the PM2.5 AQI readings for the 3 stations Shanghai US Consulate (上海美国总领事馆),
Jingan (静安监测站) and Shanghai Normal College Primary Division (上海师范专科学校附属小学) (Same as for Beijing, Guangzhou and Chengdu; done to minimize maintenance downtime)
If you want to compare the relative AQI readings for those 3 stations, consult the FAQ section

January 12^th: PM2.5 data is available for 11 new cities (Taiyuan, Huhehaote, Shenyang, Hefei, Fuzhou, Zhengzhou, Changsha, Nanning, Haikou, Lhasa, Wulumuqi)

January 11^th: Chengdu main AQI data is now based on the maximum of the PM2.5 AQI readings for the 2 stations Chengdu US Consulate (成都美国总领事馆)
and Caotang Temple, Chengdu (成都草堂寺) (Same as for Beijing and Guangzhou; done to prevent from the 'no reading downtime')

January 8^th: PM2.5 data is available for 12 new cities (Chongqing, Tianjin, Xian, Dalian, Xiamen, Haerbin, Nanchang, Changchun, Kunming, Xining, Lanzhou, Yinchuan)

December 30^th: Guangzhou main AQI data is now based on the maximum of the PM2.5 AQI readings for the 2 stations
Guangzhou US Consulate (美国领事馆 - 广州中国) and Lìwān xicūn, Guangzhou (广州荔湾西村) (Same as for Beijing; done to prevent from the 'no reading downtime')

December 29^th: PM2.5 real time data hourly is now avaialble Shandong province and Zhenjiang province

December 28^th: Since the Beijing US embassy PM2.5 is having 'no-reading' issues, the Beijing AQI data is now based on the maximum of the PM2.5 AQI readings for the 3 stations
Beijing US Embassy (北京美国大使馆), Dongcheng Dongsi (东城东四) and Chaoyang Agricultural Exhibition Hall (朝阳农展馆).
If you only want to view the PM2.5 US embassy data, then use this link. If you want to compare the relative AQI readings for those 3 stations, consult the FAQ section

December 8^th: We are looking for help to improve the translations for Chinese, Cantonese, Korean, Russian and Japanese, as well as create tranlations for new languages.
If you can help for those translations, please contact us at this link.

December 6^th: PM2.5 real time data hourly is now avaialble Hebei province (38 places), Guangdong province (63 places), Jiangsu province (17 places),

November 18^th: PM2.5 real time data hourly is now avaialble for Wuhan, Ningbo and Shanghai

October 7^th: The MEP PM₁₀, NO₂ and SO₂ convertion formula from µg/m³ to AQI level has been updated to follow EPA standards.

September 18^th: PM2.5 real time data hourly is now avaialble for Beijing, Hong Kong and Shenzhen
Beijing, Shanghai, Guangzhou, Chengdu Air Pollution Indexes are now based the US Embassy real time twitter feeds.

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About the Air Quality and Pollution Measurement:

AQI	Air Pollution Level	Health Implications
0 - 50	Good	Air quality is considered satisfactory, and air pollution poses little or no risk
51 -100	Moderate	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	Unhealthy for Sensitive Groups	Members of sensitive groups may experience health effects. The general public is not likely to be affected.
151-200	Unhealthy	Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects
201-300	Very Unhealthy	Health warnings of emergency conditions. The entire population is more likely to be affected.
300+	Hazardous	Health alert: everyone may experience more serious health effects

Osan-dong, Osan-si, Gyeonggi Air Pollution: Real-time Air Quality Index (AQI)

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