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, March 19 at 12:28 PM
5 County Map
Tue
Wed
Thu
Fri
Sat
North Counties
53
46
G
G
G
PM2.5
PM2.5
PM2.5
PM2.5
OZONE
Coast and Central Bay
57
42
G
G
G
PM2.5
PM2.5
PM2.5
PM2.5
OZONE
Eastern District
50
48
G
G
G
PM2.5
OZONE
OZONE
OZONE
OZONE
South Central Bay
46
47
G
G
G
PM2.5
OZONE
OZONE
OZONE
OZONE
Santa Clara Valley
55
46
G
G
G
PM2.5
OZONE
OZONE
OZONE
OZONE

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