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
Sunday, February 17 at 10:48 AM
5 County Map
Sun
Mon
Tue
Wed
Thu
North Counties
40
42
53
M
M
OZONE
PM2.5
PM2.5
PM2.5
PM2.5
Coast and Central Bay
39
38
46
M
M
OZONE
OZONE
PM2.5
PM2.5
PM2.5
Eastern District
38
39
38
G
M
OZONE
OZONE
PM2.5
PM2.5
PM2.5
South Central Bay
36
40
42
G
G
OZONE
OZONE
PM2.5
PM2.5
PM2.5
Santa Clara Valley
37
38
50
M
M
OZONE
PM2.5
PM2.5
PM2.5
PM2.5

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