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, June 30 at 11:05 AM
5 County Map
Tue
Wed
Thu
Fri
Sat
North Counties
55
55
M
M
M
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Coast and Central Bay
47
46
G
G
G
OZONE
PM2.5
OZONE
OZONE
OZONE
Eastern District
97
67
M
M
G
OZONE
OZONE
OZONE
OZONE
OZONE
South Central Bay
47
38
G
G
G
OZONE
OZONE
OZONE
OZONE
OZONE
Santa Clara Valley
84
58
M
G
G
OZONE
OZONE
OZONE
OZONE
OZONE

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