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

"You can find daily ozone forecasts and real-time ozone conditions for over 300 cities across the country at the AIRNow Web ...

Air quality maps are regularly updated. "You can find daily ozone forecasts and real-time ozone conditions for over 300 cities across the country at the AIRNow Web site: airnow.gov," the EPA says.

Check your local drinking water system’s results in the map below, or explore the full map here. Under current rules, this means the utilities must stop using contaminated wells or install ...