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, January 18 at 11:56 AM
5 County Map
Fri
Sat
Sun
Mon
Tue
North Counties
42
53
35
G
G
PM2.5
PM2.5
OZONE
PM2.5
PM2.5
Coast and Central Bay
46
55
38
M
M
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Eastern District
38
42
38
G
G
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
South Central Bay
38
46
35
G
G
PM2.5
PM2.5
OZONE
PM2.5
PM2.5
Santa Clara Valley
46
51
38
G
M
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5

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