The district issued an air quality advisory this morning, saying the particulate matter in the smoke had generated an air quality index of 194 as of 6 a.m. "It will probably hit the central valley and the East Bay tonight and tomorrow." said Thomas Hall, Sacramento Air Quality Management.
The dirtiest air readings in the region were recorded in San Rafael, Sebastopol, Vallejo, San Pablo, Oakland, Berkeley and Oakland.
The air pollution from the North Bay wildfires is as worst as it's ever been in the Bay Area.
Smoke can irritate the eyes, noses and lungs, triggering wheezing in asthma and emphysema patients.
People with existing respiratory conditions, young children and elderly people are especially susceptible to these pollutants. Other suggestions include staying indoors with windows and doors closed as much as possible and shutting off fans that bring smokey outdoor air inside.
As of Wednesday afternoon, the Air Quality (AQI) ranked San Francisco air as "unhealthy for sensitive groups" (the orange parts of the map) and predicts "unhealthy" (crimson red) for Thursday. The smoke in the air has also caused Rio Vista Middle School in Fresno to cancel all outdoor games and practices- home and away, but the volleyball and competition cheer will go on as scheduled.