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

Amid hot, dry weather in Northern California, a lightning-sparked fire near Shasta Lake has grown to almost 12,000 acres. The ...

An air quality advisory that was set to last through Monday has been lifted, air district officials said. Over the weekend, ...

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 ...

The warming trend that will hit Southern California on Tuesday is bringing with it some adverse air quality. The South Coast ...

With smoke drifting over the Sacramento region from wildfires in the north state, air quality officials are urging capital ...

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

A stream of wildfire smoke from Northern California is moving toward the Bay Area Thursday, prompting an air quality advisory ...

You’re not imagining that campfire smell — thick smoke from Canadian wildfires has settled over Minnesota again, with air ...