Think of the AQI as a yardstick that runs from 0 to 500. The higher the AQI value, the greater the level of air pollution and the greater the health concern.
Get air quality data where you live. ; Air Quality Index Scale ; 0 - 50. Good ; 51 - 100. Moderate ; 101 - 150. Unhealthy for Sensitive Groups (USG) ; 151 - 200.
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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.
The Air Quality Index is based on measurement of particulate matter (PM2.5 and PM10), Ozone (O3), Nitrogen Dioxide (NO2), Sulfur Dioxide (SO2) and Carbon ...
The Air Quality Index (AQI) is used for reporting daily air quality. It tells you how clean or polluted your air is, and what associated health effects ...
U.S. Air Quality Index. Good (0-50). Moderate (51-100). Unhealthy for Sensitive ... The air quality forecast is a prediction of the day's overall AQI issued by ...
An air quality index (AQI) is an indicator developed by government agencies to communicate to the public how polluted the air currently is or how polluted ...
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6 days ago · Keep track of the most polluted cities in the world with our air quality index (AQI) ranking.