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 19 at 9:11 AM
5 County Map
Fri
Sat
Sun
Mon
Tue
North Counties
57
53
53
53
M
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Coast and Central Bay
63
57
55
53
M
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Eastern District
55
50
42
50
G
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
South Central Bay
46
42
33
46
G
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Santa Clara Valley
50
46
50
53
M
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5

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