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
Friday, February 23 at 10:34 AM
5 County Map
Fri
Sat
Sun
Mon
Tue
North Counties
42
53
53
50
G
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Coast and Central Bay
38
50
46
42
G
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Eastern District
38
35
39
40
G
OZONE
OZONE
OZONE
OZONE
OZONE
South Central Bay
40
33
34
35
G
OZONE
OZONE
OZONE
OZONE
OZONE
Santa Clara Valley
36
34
36
38
G
OZONE
OZONE
OZONE
OZONE
OZONE

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