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
Monday, July 6 at 10:09 AM
5 County Map
Mon
Tue
Wed
Thu
Fri
North Counties
46
31
G
G
G
PM2.5
OZONE
PM2.5
PM2.5
PM2.5
Coast and Central Bay
42
32
G
G
G
PM2.5
OZONE
OZONE
OZONE
OZONE
Eastern District
40
32
G
G
G
OZONE
OZONE
OZONE
OZONE
OZONE
South Central Bay
38
31
G
G
G
OZONE
OZONE
OZONE
OZONE
OZONE
Santa Clara Valley
39
30
G
G
G
OZONE
OZONE
OZONE
OZONE
OZONE

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