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Air Quality Historical Data Platform
Institution & University Registration

ແບ່ງປັນ: aqicn.org/data-platform/register/lo/

COVID-19 DataSet

Click here if you are looking for a data set covering many cities/countries during the COVID-19 period (2015 until now). Can you find more than 500M bytes of CSV data-set covering more than 380 cities.


Programmatic API

Click here if you need programmatic access to the data via our free Rest API


Since the beginning, the World Air Quality Index (WAQI) project team has always been keen on providing a transparent Air Quality Information to the world citizens.

United Effort

The WAQI project has also always been keen on providing historical Air Quality Data to relevant institutions and organizations working in the area of environmental awareness, air quality monitoring, as well as health and epidemiological studies. Here are few of our partners and colleagues to which we have been providing historical air quality data information:


United Framework



In order to make the historical air quality data dissemination even more relevant, the World Air Quality Index team has been investigating with the most relevant international institutions the possibility to setup an open data framework. Here are a few of the institutions we have engaged:

  • WHO - WHO: World Health Organization
  • UNEP - UNEP: United Nation Environmental Program
  • UNIDO - UNIDO: United Nation Industrial Development Organization
  • WMO - WMO: World Meteorological Organization
  • GEO - GEO: Group on Earth Observations
  • WRI - WRI: World Resource Institute
  • CCAC - CCAC: Climate & Clean Air Coalition
  • UNFCCC - UNFCCC: United Nations Framework Convention on Climate Change

United Data

The objective of the "Open Data Framework" is to provide unlimited and free access the world historical and real-time Air Quality data from the 100+ countries covered on aqicn.org and waqi.info

Everyone - both institutions as well as citizens - agrees that this is not only a good idea, but that it should just happen.

One for all and all for one

At the end of the day, developing the data-platform requires financial support.

Here is our proposal to the Clean Air Fund: Open Source Data Management System (OSDMS)

If you are interested in participating in this project proposal, either as a core member, either as a plugin contributor, or as a financial supporter, then please contact us via the contribute page

Free downloadable united database

Database Download

Thanks to all of our colleagues at the UN environment protection, the WHO, and the CCAC, the average daily air quality data from all air quality monitoring stations is now available for free download.



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AQI calculation

All the values from the above database are already converted from the raw concentration (in mg/m3, ppm or ppb) to the "individual pollutant AQI", according to the US EPA standard (calculator). For instance, if you check the figures for PM2.5, they correspond to the PM2.5 individual AQI (noted as AQIPM2.5). If you want to calculate the overall AQI, aka composite AQI, you need to take the maximum of all individual AQI:

AQI = max( AQIPM2.5, AQIPM10, AQIO3, ...)

Available Years

The Air Quality data is currently only available since ~2012. If you need data before this period, we recommend to either contact the originating EPA or consider using remote sensing data estimates, such as the one used by the WHO: who.int/airpollution/data/modelled-estimates/en/ You can for instance check the catalog from the ICARE project, which is archiving satellite data since 2000.

Raw concentration & hourly data

If the above data does not work for you, then register your detailed query from this link: aqicn.org/data-platform/query

Contributing or Supporting this Project

The World Air Quality project might look like one of those big projects coming from organizations like the UN, ADB or WRI, but it is actually just a small team behind it.

Yet, despite our extensive outreach, our project has never received any financial support from such organizations, wether they are NGOs or governments.

The income comes from online advertising, as well as our GAIA air quality monitoring stations, but it is just enough to pay for the cloud infrastructure.

However, we are working on getting funding for the recruitment of a team dedicated to supporting and enhancing the air quality data platform.

If you would like to help, either by becoming one of our team member, either by providing financial support, or both, then contact us via this page: aqicn.org/contribute

❤️❤️❤️

Support the WAQI data platform by getting your air quality monitor.

ເຄື່ອງຕິດຕາມຄຸນນະພາບອາກາດ GAIA ຂອງພວກເຮົາແມ່ນຕັ້ງງ່າຍຫຼາຍ: ທ່ານພຽງແຕ່ຕ້ອງການຈຸດເຂົ້າເຖິງ WIFI ແລະແຫຼ່ງສະໜອງພະລັງງານທີ່ເຂົ້າກັນໄດ້ກັບ USB.

ເມື່ອເຊື່ອມຕໍ່ແລ້ວ, ລະດັບມົນລະພິດທາງອາກາດໃນເວລາຈິງຂອງເຈົ້າແມ່ນມີຢູ່ໃນແຜນທີ່ ແລະຜ່ານ API ທັນທີ.

ສະຖານີດັ່ງກ່າວມາພ້ອມກັບສາຍໄຟທີ່ສາມາດກັນນ້ໍາໄດ້ 10 ແມັດ, ແຫຼ່ງສະຫນອງພະລັງງານ USB, ອຸປະກອນຕິດຕັ້ງແລະແຜງແສງອາທິດທາງເລືອກ.

ຄລິກສຳລັບຂໍ້ມູນເພີ່ມເຕີມ

Data Credits

The open data framework would not be possible without the work from the worldwide environmental protection agencies (EPA), which should get the credits for their monitoring programs.

Terms of Service

The World Air Quality Index project Data Use Statement applies to data available from the data platform. The purpose of these guidelines is to make all interested parties aware of the nature and objective of the data.

  1. Usage Statement
    1. The data platform observational data are not fully verified or validated; these data are subject to change, error, and correction. The data and information are in no way official.
    2. The data platform observational data can not be used for any official comparison, ranking, report or data analysis. The official and validated data must be obtained directly from the originating EPA.
    3. If observational data are used for analyses, displayed on web pages, or used for other programs or products, the analysis results, displays, or products must indicate that these data are not fully verified or validated.
    4. Publications, analyses, products, presentations, and/or derived information that rely on these data must give attribution to the originating EPA as well as the World Air Quality Index Project:
    5. 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. All this historical Air Quality data is based on unvalidated, and due to quality assurance these data may be amended, without notice, at any time.
    6. Data and information reported by the World Air Quality Index project are provided for the express purpose of providing citizens actionable health information related to air pollution.
  2. Additional Restrictions
    1. The data can not be sold or included in sold packages.
    2. The data can not be used in paid applications or services.
    3. The data can not be redistributed as cached or archived data.

    3. A copy of this terms of service can be found at aqicn.org/data-platform/tos/.

ກ່ຽວກັບການວັດແທກຄຸນນະພາບອາກາດ ແລະມົນລະພິດ:

ກ່ຽວກັບລະດັບຄຸນນະພາບອາກາດ

- ດັດຊະນີຄຸນນະພາບອາກາດ (AQI) ຄ່າLevels of Health Concern
0 - 50 ດີ ຄຸນນະພາບທາງອາກາດຖືກພິຈາລະນາເປັນທີ່ພໍໃຈ, ແລະມົນລະພິດທາງອາກາດກໍ່ມີຄວາມສ່ຽງຫນ້ອຍຫຼືບໍ່ມີຄວາມສ່ຽງ
51 -100 ປານກາງ ຄຸນນະພາບທາງອາກາດແມ່ນການຮັບຮອງ; ຢ່າງໃດກໍ່ຕາມ, ສໍາລັບບາງມົນລະພິດອາດມີຄວາມກັງວົນກ່ຽວກັບສຸຂະພາບໃນລະດັບປານກາງສໍາລັບຈໍານວນຜູ້ທີ່ມີຄວາມເຄັ່ງຕຶງທີ່ຜິດປົກກະຕິກັບການມົນລະພິດທາງອາກາດ.
101-150 Unhealthy
for sensitive groups		 ສະມາຊິກຂອງກຸ່ມທີ່ມີຄວາມອ່ອນໄຫວອາດຈະມີຜົນກະທົບຕໍ່ສຸຂະພາບ ປະຊາຊົນທົ່ວໄປບໍ່ໄດ້ຮັບຜົນກະທົບ.
151-200 ບໍ່ມີສຸຂະພາບດີ ທຸກໆຄົນອາດຈະເລີ່ມປະສົບຜົນກະທົບດ້ານສຸຂະພາບ; ສະມາຊິກຂອງກຸ່ມທີ່ມີຄວາມອ່ອນໄຫວອາດຈະມີຜົນກະທົບດ້ານສຸຂະພາບທີ່ຮ້າຍແຮງຫຼາຍ
201-300 Very
Unhealthy		 ການເຕືອນໄພດ້ານສຸຂະພາບຂອງສະພາບສຸກເສີນ. ປະຊາກອນທັງຫມົດແມ່ນມັກຈະໄດ້ຮັບຜົນກະທົບ.
300+ ອັນຕະລາຍ ເຕືອນດ້ານສຸຂະພາບ: ທຸກໆຄົນອາດຈະມີຜົນກະທົບທາງສຸຂະພາບທີ່ຮ້າຍແຮງກວ່າເກົ່າ

ເພື່ອຮູ້ເພີ່ມເຕີມກ່ຽວກັບຄຸນນະພາບອາກາດ ແລະມົນລະພິດ, ໃຫ້ກວດເບິ່ງ ຫົວຂໍ້ຄຸນນະພາບອາກາດຂອງ wikipedia ຫຼື ຄູ່ມື airnow ກ່ຽວກັບຄຸນນະພາບອາກາດ ແລະສຸຂະພາບຂອງເຈົ້າ .

ສໍາລັບຄໍາແນະນໍາດ້ານສຸຂະພາບທີ່ເປັນປະໂຫຍດຫຼາຍຂອງທ່ານຫມໍປັກກິ່ງ Richard Saint Cyr MD, ກວດເບິ່ງ blog www.myhealthbeijing.com .


ແຈ້ງການນໍາໃຊ້: ຂໍ້ມູນຄຸນນະພາບອາກາດທັງຫມົດແມ່ນບໍ່ຖືກຕ້ອງໃນເວລາທີ່ພິມເຜີຍແຜ່, ແລະເນື່ອງຈາກການຮັບປະກັນຄຸນນະພາບຂອງຂໍ້ມູນເຫຼົ່ານີ້ອາດຈະຖືກປັບປຸງ, ໂດຍບໍ່ມີຂໍ້ສັງເກດ, ໃນທຸກເວລາ. ໂຄງການດັດຊະນີທາງອາກາດໂລກໄດ້ໃຊ້ທັກສະແລະການດູແລທີ່ສົມເຫດສົມຜົນທັງຫມົດໃນການລວບລວມເນື້ອໃນຂອງຂໍ້ມູນນີ້ແລະພາຍໃຕ້ສະພາບການໃດກໍ່ຕາມທີມງານຂອງໂຄງການໂລກຂອງອາກາດທາງໂລກຫຼືຕົວແທນຂອງມັນຈະຮັບຜິດຊອບໃນສັນຍາ, ຄວາມເສຍຫາຍຫຼືຄວາມເສຍຫາຍໃດໆ, ເກີດຂື້ນໂດຍກົງຫຼືໂດຍທາງອ້ອມຈາກການສະຫນອງຂໍ້ມູນນີ້.



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