Bay Area's air quality struggles despite green reputation, with high ozone and particle pollution impacting health, ...

The Bay Area is among the top 25 metros in the U.S. with the worst ozone pollution, according to the American Lung ...

This week, the American Lung Association or ALA released their 26th “State of Air Quality” report. The Bay Area received low ...

Nearly half of Americans live in areas with failing air quality, as evidenced by the 2025 "State of the Air" report from the ...

California cities nearly covered all five spots in the Top 5 Most Polluted Cities when it comes to year-round particle ...

Drought conditions in most of California will worsen air quality and increase airborne particulates like dust and pollen.

Switching from diesel to electric trains dramatically improved the air quality aboard the San Francisco Bay Area’s Caltrain ...