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, March 24 at 10:58 AM
5 County Map
Fri
Sat
Sun
Mon
Tue
North Counties
42
42
42
37
G
PM2.5
PM2.5
PM2.5
OZONE
OZONE
Coast and Central Bay
42
41
40
39
G
PM2.5
OZONE
OZONE
OZONE
OZONE
Eastern District
40
41
40
41
G
OZONE
OZONE
OZONE
OZONE
OZONE
South Central Bay
39
39
37
37
G
OZONE
OZONE
OZONE
OZONE
OZONE
Santa Clara Valley
41
40
40
40
G
OZONE
OZONE
OZONE
OZONE
OZONE

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