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San Francisco Bay Area
Air Quality Status
Wednesday, 11/20
No Alert
Thursday, 11/21
No Alert
Understanding Alerts and Advisories
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5-Day Air Quality Forecast
Last Updated: Wednesday, November 20 at 10:35 AM
Wed
Thu
Fri
Sat
Sun
Northern Zone
33
31
G
G
G
Coast and Central Bay
28
28
G
G
G
Eastern Zone
35
34
G
G
G
South Central Bay
34
32
G
G
G
Santa Clara Valley
33
33
G
G
G
Wednesday, November 20
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Welcome
SpareTheAir.org has some great tools and resources to help the Bay Area improve air quality.
No Wood Burning During Spare the Air Alerts
It is illegal year-round to burn wood on days when a Spare the Air Alert is in effect. Wood smoke is the number one pollutant in the winter.
Carpool Tips
How you get around makes a big difference to our region's air quality. Go green, go clean with your commute.
Employer Program
Join the more than 2,000 businesses and agencies in our Employer Program. Make Spare the Air company policy.
Take a Moment. Spare the Air.
Save time, save money, Spare the Air.
A Cleaner, Healthier Bay Area
Most air pollutants are human-caused and avoidable. What we do on an everyday basis has a big impact on keeping the Bay Area healthy.
Fireplace Smoke Can Affect Your Health
Microscopically small particles from wood smoke can bypass the nose and throat to penetrate the lungs. Find out the full health effects.
Get Alerts On-the-Go
Never miss a Spare the Air Alert. Sign up and customize your alerts to get them by phone, text, or email.