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

Cities in California, Texas and Arizona are expecting air quality to become unhealthy for sensitive groups on Thursday.

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 ...

Air quality alerts are in effect across several regions in South Carolina, North Carolina and California because of elevated levels of fine particulates from wildfire smoke and windblown dust, the ...

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 ...

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.

air pollution guidelines. As this map reveals, 91 per cent of all countries had unsafe levels of air pollution in 2024. Chad, Congo, Bangladesh, Pakistan and India had the dirtiest air.