Air Quality Index Scale and Color Legend - aqicn.org
Air quality is considered satisfactory, and air pollution poses little or no risk: None: 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.
A comparison of worldwide Air Quality Scales - Part 1 - aqicn.org
Mar 20, 2015 · The World Health Organisation (W.H.O.) is offering air quality guidelines based on reviews of the accumulated scientific evidences. But almost each country is having its own scale, and this is also the case for China, which is using the scale known as HJ 633-2012. The one in use on the World Air Quality Index project is the US EPA scale.
Overview of India's National Air Quality Index - aqicn.org
May 15, 2015 · While the AQI Scale selection feature is being developed, we will still present the Air Quality information based on the US EPA standard. So if you notice any difference between the values published on India's new National Air Quality Index System and the World Air Quality Index project, this is very likely the reason.
Air Pollution in the World: Frequently Asked Questions - aqicn.org
The ground Ozone Air Quality Index calculation has just been updated to follow the Instant Cast concept, i.e. to report the pollution right now instead of the pollution from the previous hours. For more information about the Instant Cast, please refer to this article.
Beijing Air Pollution: Real-time Air Quality Index
The Data sources used for the Air Quality, Air Pollution, PM 2.5 (fine particulate matter), PM 10 (respirable particulate matter), NO 2 (nitrogen dioxide), SO 2 (sulfur dioxide), CO (carbon monoxide), O 3 (ozone) and Weather data in this page are coming from:
World Air Quality Historical Database - aqicn.org
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. Additional Restrictions
A Beginner's Guide to Air Quality Instant-Cast and Now-Cast.
Mar 15, 2015 · 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. Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
Air Pollution in India: Real-time Air Quality Index Visual Map
Air quality is considered satisfactory, and air pollution poses little or no risk: None: 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.
Air Quality Scale in Poland - aqicn.org
Sep 3, 2015 · The Air Quality data for Poland has been available for a while, but we recently got few questions about the AQI scale used by the Inspekcja Ochrony Środowiska, i.e. the regional inspections of Environmental Protection, and how it differs with the scale used on the World Air Quality Index project. One of them is from Sylwia, who asked:
Vancouver Air Pollution: Real-time Air Quality Index (AQI) - aqicn.org
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. Active children and adults, and people with respiratory disease, such as …