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

According to Siskiyou County Public Health Officer Dr. Donald E. Solus and local air quality officials, while not all areas ...

As the Green Fire continues to blaze, businesses around the lake are feeling the impact. However, Shasta Lake Caverns is not ...

A regional air quality alert was issued for much of Southern California as harmful levels of fine particle pollution spread ...

Fourth of July fireworks could prompt hazardous air quality across parts of Southern California this weekend, authorities ...

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

Smoke often impacts the air quality during fire season, and we heard from the Shasta County air quality district manager ...