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
Wednesday, March 29 at 10:33 AM
5 County Map
Wed
Thu
Fri
Sat
Sun
North Counties
36
46
G
G
G
OZONE
OZONE
OZONE
PM2.5
OZONE
Coast and Central Bay
38
44
G
G
G
NO2
OZONE
OZONE
PM2.5
OZONE
Eastern District
35
49
G
G
G
OZONE
OZONE
OZONE
OZONE
OZONE
South Central Bay
37
46
G
G
G
OZONE
OZONE
OZONE
OZONE
OZONE
Santa Clara Valley
36
43
G
G
G
OZONE
OZONE
OZONE
OZONE
OZONE

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