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, August 21 at 11:02 AM
5 County Map
Tue
Wed
Thu
Fri
Sat
North Counties
63
59
M
M
G
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Coast and Central Bay
70
57
M
M
M
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
Eastern District
72
46
G
G
G
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5
South Central Bay
53
50
G
G
G
PM2.5
PM2.5
PM2.5
OZONE
OZONE
Santa Clara Valley
61
53
G
G
G
PM2.5
PM2.5
PM2.5
PM2.5
PM2.5

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Air Quality Advisory

Air Quality Advisory Extended: Smoke from the Mendocino Complex Fire and other wildfires is likely to impact the Bay Area through Thursday. See our Wildfire Safety Tips web page. See our Wildfire Safety Tips web page.