A study by UC San Diego researchers reveals that pollutants found in the sewage-laden Tijuana River are ending up in the air ...

Los Angeles has struggled with air pollution problems since before smog ... By 1974, they had taken 81,000 photos. The National Archives digitized nearly 16,000 and made them available online ...

An air quality alert is in effect for the South Coast Air Basin and Coachella Valley due to windblown dust and ash from fires ...

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 quality is closely tied to weather patterns.

For more stories about the Los Angeles fires, go to pdne.ws/4fQHrZc LOS ANGELES — With levels of sooty air pollution far too ... were blowing toward the south and southwest, said Scott Epstein ...

It’s these biogenic sources of VOCs that dominate the formation of summertime air pollution in Los Angeles ... and secondary aerosol formation in the South Coast Air Basin region and beyond ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Emissions in 2023 were at the lowest ...

Nevada cities, including Reno, rank among the worst for air pollution, according to the ... Eugene-Springfield, Oregon; Los Angeles-Long Beach; Sacramento-Roseville; Seattle-Tacoma, Washington ...

Los Angeles has struggled with air pollution problems since before smog ... By 1974, they had taken 81,000 photos. The National Archives digitized nearly 16,000 and made them available online ...

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. The creation ...