Air quality is unhealthier-than-average for some people Thursday as winds are blowing wildfire smoke across the Northern ...

An air quality advisory is in effect for the Bay Area on Friday, as smoke from wildfires burning in far Northern California ...

When air quality is ranked "unhealthy for vulnerable groups" it means PM 2.5 are at levels that can cause problems for people ...

Los Angeles and much of Southern California were met with a regional air quality alert on Saturday, following July 4th ...

On Wednesday at 2:12 p.m. an air quality alert was reported by the NWS San Diego CA in effect until Sunday at midnight. The alert is for San Bernardino and Riverside County Valleys-The Inland Empire, ...

Smoke from wildfires cause California to have the worst air quality in the U.S., a public health risk. Here’s how to find out if your air is safe and how to protect yourself.

The wildfires ravaging parts of California are ruining air quality when the COVID-19 pandemic has increased the risk of respiratory illness.

DPF Parts Direct reports California's Clean Truck Check aims to reduce diesel emissions, raising compliance costs and ...

An air quality alert was reported by the NWS San Diego CA on Thursday at 2:47 p.m. in effect until Saturday at midnight. The alert is for San Bernardino and Riverside County Valleys-The Inland Empire, ...

While pandemic lockdowns helped improve air quality worldwide in 2020, the U.S. saw its air quality worsen — particularly on the West Coast — thanks largely to record-setting wildfires.

A new report from the First Street Foundation finds evidence that climate change is having an impact on air quality, especially in California and the West. The group’s computer models predict ...