Five Day

Forecast

The Air District issues a daily air quality forecast that predicts air pollution levels for the coming five-day period.  This forecast uses the U.S. EPA's Air Quality Index scale.

For forecasting purposes, cities in the Bay Area have been divided into five reporting zones. The cities within each reporting zone are listed here.

5 Day Forecast

Air Quality Forecast
Thursday, October 19 at 3:00 PM
5 County Map
Thu
Fri
Sat
Sun
Mon
North Counties
55
68
M
M
M
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Coast and Central Bay
53
33
G
M
M
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Eastern District
42
37
G
G
G
PM2.5
OZONE
OZONE
PM2.5
PM2.5
South Central Bay
38
25
G
G
G
PM2.5
PM2.5
OZONE
PM2.5
PM2.5
Santa Clara Valley
53
55
M
M
M
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5

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Wildfire Advisory

A Smoke Advisory has been issued for the Bay Area due to potential smoke from No. Cal wildfires. See our wildfire safety tips web page.