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 ...
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Real time measurement of air quality on a public map. Useful to community scientists or air quality professionals alike, PurpleAir sensors are easy to ...
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.
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 ...
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 ...
Poor air quality is responsible for an estimated more than 100,000 premature deaths in the United States each year. Costs from air pollution-related illness are ...
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.
Find information on public health issues related to air quality, including asthma, heart disease and stroke, and more.