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, May 17 at 11:18 AM
5 County Map
Fri
Sat
Sun
Mon
Tue
North Counties
30
31
31
31
G
OZONE
OZONE
OZONE
OZONE
OZONE
Coast and Central Bay
31
32
30
32
G
OZONE
OZONE
OZONE
OZONE
OZONE
Eastern District
32
33
30
33
G
OZONE
OZONE
OZONE
OZONE
OZONE
South Central Bay
31
34
31
34
G
OZONE
OZONE
OZONE
OZONE
OZONE
Santa Clara Valley
32
35
32
35
G
OZONE
OZONE
OZONE
OZONE
OZONE

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