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
Thursday, March 21 at 11:25 AM
5 County Map
Thu
Fri
Sat
Sun
Mon
North Counties
46
33
G
G
G
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Coast and Central Bay
42
38
G
G
G
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Eastern District
44
32
G
G
G
OZONE
OZONE
OZONE
OZONE
OZONE
South Central Bay
42
31
G
G
G
OZONE
OZONE
OZONE
OZONE
OZONE
Santa Clara Valley
43
30
G
G
G
OZONE
OZONE
OZONE
OZONE
OZONE

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