Hazardous air quality can affect people's health in multiple ways, ranging from headaches and eye irritation to trouble breathing and even heart failure. Here's how to tell if you're in an area at ...

Wildfires in Oregon have contributed to recent smoky conditions in San Francisco, and several areas across the U.S. are suffering from unhealthy air quality. More Getty The map identified one area ...

SAN FRANCISCO (KRON) — Air quality in the Bay Area appears to have declined Thursday. According to IQAir’s map, much of the Peninsula, East Bay, plus San Francisco and Marin County are ...

Several areas of California are reporting "hazardous" levels of air quality as multiple states in the U.S. are continuing to be affected by more than 80 large wildfires that have destroyed at ...