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
Sunday, August 31 at 11:54 AM
5 County Map
Sun
Mon
Tue
Wed
Thu
Northern
Zone
46
46
42
G
G
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Coast and Central Bay
42
46
38
G
G
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Eastern
Zone
38
50
44
G
G
OZONE
OZONE
OZONE
OZONE
OZONE
South Central Bay
34
41
37
G
G
OZONE
OZONE
OZONE
OZONE
OZONE
Santa Clara Valley
37
48
42
G
G
OZONE
OZONE
OZONE
OZONE
OZONE

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