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, April 19 at 9:17 AM
5 County Map
Fri
Sat
Sun
Mon
Tue
North Counties
47
42
44
45
G
OZONE
OZONE
OZONE
OZONE
OZONE
Coast and Central Bay
45
42
46
46
G
OZONE
OZONE
OZONE
OZONE
OZONE
Eastern District
49
43
45
49
M
OZONE
OZONE
OZONE
OZONE
OZONE
South Central Bay
46
45
47
48
G
OZONE
OZONE
OZONE
OZONE
OZONE
Santa Clara Valley
48
45
48
51
M
OZONE
OZONE
OZONE
OZONE
OZONE

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