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San Francisco Bay Area
Air Quality Status
Saturday, 12/7
No Alert
Understanding Alerts and Advisories
See Full Forecast
5-Day Air Quality Forecast
Last Updated: Friday, December 6 at 11:14 AM
Fri
Sat
Sun
Mon
Tue
Northern Zone
33
32
33
46
M
Coast and Central Bay
38
30
30
33
G
Eastern Zone
38
34
35
38
G
South Central Bay
33
31
32
33
G
Santa Clara Valley
42
33
34
38
M
Saturday, December 7
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Season’s Change
The Winter Spare the Air season is now in effect. It will be illegal to burn wood on days when a Winter Spare the Air Alert is called. Check before your burn.
Tune In
Check out our short video clips on the health effects of wood smoke.
We Share the Air
Pollutants from wood burning can travel from one part of the Bay Area to another. Find out where your air quality forecast reporting zone is located.
Breathe Easier this Winter
Microscopically small particles from wood smoke can bypass the nose and threat to penetrate the lungs. Find out the full health effects.
Breathe Easier this Winter
Microscopically small particles from wood smoke can bypass the nose and threat to penetrate the lungs. Find out the full health effects.
Get Alerts On-the-Go
Never miss a Winter Spare the Air Alert. Sign up and customize your alerts to get them by phone, text, or email.
Get Alerts On-the-Go
Never miss a Winter Spare the Air Alert. Sign up and customize your alerts to get them by phone, text, or email.
Making a Difference
Look back on the Bay Area's strides toward cleaner air and turn toward the steps ahead.
Making a Difference
Look back on the Bay Area's strides toward cleaner air and turn toward the steps ahead.