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 17 at 10:56 AM
5 County Map
Fri
Sat
Sun
Mon
Tue
Northern
Zone
47
48
47
45
G
OZONE
OZONE
OZONE
OZONE
OZONE
Coast and Central Bay
44
45
44
43
G
OZONE
OZONE
OZONE
OZONE
OZONE
Eastern
Zone
51
50
48
46
G
OZONE
OZONE
OZONE
OZONE
OZONE
South Central Bay
43
49
46
42
G
OZONE
OZONE
OZONE
OZONE
OZONE
Santa Clara Valley
49
51
47
46
G
OZONE
OZONE
OZONE
OZONE
OZONE

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