Air-quality officials are advising people in several Southern California cities to keep their doors and windows closed amid ...

Air quality alerts are in effect across several regions in South Carolina, North Carolina and California because of elevated ...

The World Health Organization's air quality ... cities with the worst pollution in North America: While eight of the most polluted U.S. cities in North America were in California, with the ...

AirVisual Earth is a highly detailed, interactive map that displays both changing air quality and prevailing winds around the globe. It shows both fine and coarse particles of air pollution and ...

In the following California air quality map, you can see how the air quality is where you live or throughout California. This information is provided via the United States Environmental Protection ...

A new report shows that some of the nation's most polluted cities are in Southern California, four of which call the Inland ...

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 ...

It might come as a surprise that California’s crown jewel national parks — Sequoia, Kings Canyon, Joshua Tree and Yosemite — struggle with some of the dirtiest air of any parks in the nation.

Cities in California made up six of the 10 cities with the worst air quality, including the three worst. People of color were disproportionately exposed to air pollution: The report found 63% of ...