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
Thursday, December 8 at 7:56 AM
5 County Map
Thu
Fri
Sat
Sun
Mon
North Counties
50
55
M
M
M
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Coast and Central Bay
50
53
G
M
G
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Eastern District
46
42
G
G
G
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
South Central Bay
38
38
G
G
G
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Santa Clara Valley
46
42
G
G
G
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5

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