Worst Air Quality In Bay Area Permeates Parts Of North Bay - Napa Valley, CA - An image from a PG&E camera showed the current smoky conditions in Napa County, where the AQI reading was unhealthy in at least one city.
Healdsburg, Sonoma County Air Quality Currently Worst In Bay Area: Map - Healdsburg, CA - An image from a PG&E camera showed the smoky conditions in Sonoma County where the AQI reading was unhealthy in most areas.
Wildfire Smoke Blankets The Bay Area, Tanking Air Quality - San Francisco, CA - Wildfire smoke has degraded air quality across much of the Bay Area as temperatures soar across the region. Here's when it will let up.