AIR QUALITY CONCERNS LINGER TODAY WITH MODERATE TO UNHEALTHY ROUNDS OF AIR QUALITY FOR SENSITIVE GROUPS, ESPECIALLY, AND ...

The Sacramento Air Quality Management District has put Sunday into the "Stage 1 - No Burn Unless Exempt" category. That means ...

Air pollution is in the "unhealthy" category for a region of California on Thursday morning, encompassing the towns of Keeler ...

Thousands of people in California and Oregon have been urged to stay indoors as air pollution reached unhealthy levels on ...

Poor air quality has led to advisories recommending residents stay indoors in some areas of California. Official measurements ...

UCSC engineer Javier Gonzalez-Rocha is using drones and sensors to bring advanced air quality monitoring to underserved ...

The California Department of Transportation (Caltrans) is considering changes to the more than 70-year-old ban on trucks ...

The real estate website scrubbed the data under pressure from California’s real estate brokers and agents who were concerned ...

EPA warns of “unhealthy” air in parts of California, with residents urged to stay indoors as PM2.5 pollution spikes.

The agreement is another milestone for medium- and heavy-duty (MHDV) vehicle electrification in the greater Los Angeles area, ...

Public Health Watch chronicles, in 13 scenes, a fossil-fuel infrastructure boom that could worsen air pollution in some areas and exacerbate climate change.

As public hearings begin, CDOT and Colorado green groups dispute whether an expansion of I-270 would increase pollution.