Skip to main content
Back
No Alert
San Francisco Bay Area
Air Quality Status
Wednesday, 11/27
No Alert
Understanding Alerts and Advisories
See Full Forecast
5-Day Air Quality Forecast
Last Updated: Wednesday, November 27 at 8:33 AM
Wed
Thu
Fri
Sat
Sun
Northern Zone
53
71
M
M
M
Coast and Central Bay
53
69
M
M
M
Eastern Zone
44
68
M
M
M
South Central Bay
50
62
M
M
M
Santa Clara Valley
56
75
M
M
M
Wednesday, November 27
Find Your Reporting Zone
How to Read the Forecast
Back
About
What is Spare the Air
Alerts and Advisories
Our Impact
Reduce Your Impact
Cut the Commute
Commute Tips
Employer Program
Spare the Air Youth
Understanding Air Quality
Air Quality Forecast
Reading the Air Quality Index
Wood Burning Rule
Air Pollutants and Health Effects
Data and Records
Connect with Us
Sign up for Alerts
Video Library
News and Events
Virtual Booth
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.