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, January 17 at 11:34 AM
5 County Map
Tue
Wed
Thu
Fri
Sat
North Counties
102
57
G
G
G
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Coast and Central Bay
95
61
G
G
G
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Eastern District
102
61
G
G
G
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
South Central Bay
80
50
G
G
G
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Santa Clara Valley
91
55
G
G
G
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5

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