The Air Quality Index measured 156 near Forks, Washington, and received a rating of "unhealthy," meaning some members of the general public may experience health effects and members of sensitive ...

This measure, based on data from the Environmental Protection Agency, evaluates states on the number of days the Air Quality Index in counties was not rated “good.” U.S. News calculated a ...

As fires rage across the West Coast, destroying homes and forcing evacuations, the air we breathe has been severely impacted. In the following California air quality map, you can see how the air ...

The map pulls data from air monitors, hundreds of pollution sensors, and forecast models to provide real-time air quality index (AQI) readings for more than 1,000 locations. Los Angeles’ air ...

According to the US Environmental Protection Agency (EPA ... The EPA measures regional air quality index (AQI) by how hazardous it is to the general public. Discover the AQI in your city by ...

According to nationwide Air Quality Index data maintained by ... USA TODAY This article originally appeared on USA TODAY: Los Angeles air quality and smoke maps: See latest AQI numbers in Southern ...

It comprises two measures: the number of days with an air quality index below a certain threshold and the number of violation points against drinking water systems in each state. Learn more about ...

PM2.5 is capable of traveling thousands of miles across the world on the wind — taking, for instance, about five days to reach the US from China ... The Air Quality Index, set by the ...

The Air Quality Index (AQI) is an index for reporting daily air quality. It tells you how clean or polluted your air is, and what associated health effects might be a concern for you. For more ...