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, February 5 at 9:52 AM
5 County Map
Fri
Sat
Sun
Mon
Tue
North Counties
66
61
66
M
M
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Coast and Central Bay
59
55
57
M
M
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Eastern District
55
57
59
M
M
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
South Central Bay
53
53
55
M
M
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Santa Clara Valley
53
57
59
M
M
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5

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