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, November 17 at 10:30 AM
5 County Map
Fri
Sat
Sun
Mon
Tue
North Counties
57
68
72
74
M
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Coast and Central Bay
55
63
68
70
M
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Eastern District
46
50
57
59
M
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
South Central Bay
42
46
61
63
M
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Santa Clara Valley
50
57
68
72
M
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5

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