Air quality is unhealthier-than-average for some people Thursday as winds are blowing wildfire smoke across the Northern ...

A series of live maps from Windy.com highlighted which parts of the U.S. were experiencing elevated levels of air pollution ...

An air quality advisory is in effect for the Bay Area on Friday, as smoke from wildfires burning in far Northern California ...

Smoke from wildfires burning in the northern Sacramento Valley may bring hazy skies and unhealthy air to parts of the Bay ...

Map: Where the EPA found pollutants. NOTE: This version of USA TODAY's PFAS map is outdated. For the most recent version, click here. This map shows water systems included in the EPA's records, as ...

Air quality maps are regularly updated. "You can find daily ozone forecasts and real-time ozone conditions for over 300 cities across the country at the AIRNow Web site: airnow.gov," the EPA says.

Check your local drinking water system’s results in the map below, or explore the full map here. Under current rules, this means the utilities must stop using contaminated wells or install ...

An air quality map highlights which parts of Nevada faced unhealthy air quality on Wednesday morning. AirNow. The Air Quality Index (AQI), developed by the Environmental Protection Agency (EPA ...