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
Tuesday, February 9 at 10:41 AM
5 County Map
Tue
Wed
Thu
Fri
Sat
North Counties
66
63
M
M
M
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Coast and Central Bay
55
61
M
M
G
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Eastern District
61
59
M
G
G
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
South Central Bay
53
53
M
G
G
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Santa Clara Valley
61
59
M
G
G
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5

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