Air Quality Index (AQI) | AirNow.gov
The Air Quality Index (AQI) tells you how clean or polluted your outdoor air is and the associated health effects that may be of concern.
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AirNow is your one-stop source for air quality data. Our recently redesigned site highlights air quality in your local area first, while still providing air quality information at state, national, and world views.
Air Quality Index (AQI) Basics - AirNow
The U.S. Air Quality Index (AQI) is EPA's tool for communicating about outdoor air quality and health. The AQI includes six color-coded categories, each corresponding to a range of index values. The higher the AQI value, the greater the level of …
Live Animated Air Quality Map (AQI, PM2.5...)
Discover AirVisual Map, live world air pollution and air quality index (AQI) interactive 2D animated map combining PM2.5 data from public government, air quality stations, our community.
Air Quality Index Scale and Color Legend - aqicn.org
The table below defines the Air Quality Index scale as defined by the US-EPA 2016 standard: For more information about the pollutants included in the AQI scale, please refer to: PM 2.5 instant-cast scale. Understanding PM 10 vs PM 2.5. Ozone …
World's Air Pollution: Real-time Air Quality Index
Air Quality Index (AQI) Calculation. The Air Quality Index is based on measurement of particulate matter (PM 2.5 and PM 10), Ozone (O 3), Nitrogen Dioxide (NO 2), Sulfur Dioxide (SO 2) and Carbon Monoxide (CO) emissions.
AirNow Interactive Map - US EPA
The air quality forecast is a prediction of the day’s overall AQI issued by state and local air quality forecasters. Each dot on this map represents a city or reporting area that issues a forecast. Read more about the air quality forecast. Click on a dot to see forecast info for …
Air Pollution in United States: Real-time Air Quality Index ...
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 …
What is the air quality index (AQI)? | IQAir
Aug 4, 2018 · The air quality index ranges from 0 to 500, though air quality can be indexed beyond 500 when there are higher levels of hazardous air pollution. Good air quality ranges from 0 to 50, while measurements over 300 are considered hazardous.
India Air Quality Index (AQI) : Real-Time Air Pollution
4 days ago · Current India Air Quality Index (AQI) is 184 Poor level with real-time air pollution PM2.5 (97ug/m³), PM10 (176ug/m³), Temperature (21.8°C).
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