Wildfires in California and Oregon are triggering air quality warnings in the Bay Area ... Wednesday night through Thursday morning. San Francisco was ranked as the 8th-most polluted city in ...

The Bay Area Air District has issued an air quality advisory for the region on Monday and Tuesday, due to smoke from ...

Wildfire smoke billowing from several fires in Canada is expected to impact air quality in the San Francisco Bay Area this ...

Bay Area under air quality advisory due to Canadian wildfire smoke, with health warnings and advice to stay indoors.

SAN FRANCISCO -- No Spare ... calling (800) HELP-AIR, downloading the Spare the Air app on their smartphone or find Spare the Air on social media. Air quality in the Bay Area can be unhealthy ...

As of late Tuesday, San Francisco was in the red category for unhealthy air quality status. People, especially children and adults with respiratory issues, were urged to limit outdoor activity.

Good news: Air quality in San Francisco is improving, according to an Axios analysis of year-over-year EPA data. Why it matters: Long-term exposure to poor air quality is harmful to your health.

Aleks Phillips is a Newsweek U.S. News Reporter based in London. His focus is on U.S. politics and the environment. He has covered climate change extensively, as well as healthcare and crime.

Smoky and hazy skies are expected in the Bay Area Monday and Tuesday, stemming from wildfires burning in Alberta, Saskatchewan and Manitoba provinces, and air quality may become unhealthy.