It's almost summer, and if recent years are a guideline, that means heightened threats of wildfires. Billowing smoke from wildfires can cause dangerous air quality levels. Air filters in homes can ...

Bay Area residents have navigated hazardous smoke each year since 2017. At this point, “smoke days” are expected. This year is no exception. Wildfires are burning across Northern California, producing ...

Air quality can be impacted by smoke from wildfires. Our reporter set out to build an air filter — in a style the EPA praised, using only things she already had at home. It's almost summer, and if ...