Los Angeles has struggled with air pollution problems since before smog became a term. In 1943, smog covered the city so thickly that residents thought they were under a chemical attack.

Douglas McIntyre, Editor-in-Chief at Climate Crisis, discusses how Los Angeles’s current air pollution levels surpass those of Delhi, India, and the severe healthcare issues it causes.

LOS ANGELES — With levels of sooty air pollution far too high across swaths of the Los Angeles area, Dana Benton is sleeping with a mask on, even with her air purifier running. “My car was ...

Emissions in 2023 were at the lowest levels at the Port of Los Angeles since 2005, the port announced on Friday. The decrease in air pollution, the port says, is in part due to increase in use of ...

an air pollution expert at the University of California, Los Angeles. "They don't have the spatial density or indeed sometimes the temporal density to tell us what's really happening on the kind ...

Air pollution is causing kids to have asthma ... Eugene-Springfield, Oregon; Los Angeles-Long Beach; Sacramento-Roseville; Seattle-Tacoma, Washington; Reno-Carson City, Nevada; and Fairbanks ...

The American Lung Association released a report earlier this year that found California’s now-dormant rules could have reduced 75 tons of smog-forming nitrogen oxides a day and saved residents ...

Air quality regulators in Southern California are debating proposed rules that would curb harmful emissions from gas-powered ...

California deploys mobile air monitoring stations to gauge block-level pollution and protect underserved communities.