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, July 23 at 10:27 AM
5 County Map
Wed
Thu
Fri
Sat
Sun
Northern
Zone
25
46
M
M
M
OZONE
PM2.5
PM2.5
PM2.5
PM2.5
Coast and Central Bay
25
50
M
M
M
OZONE
PM2.5
PM2.5
PM2.5
PM2.5
Eastern
Zone
29
49
M
M
M
OZONE
OZONE
OZONE
OZONE
OZONE
South Central Bay
23
40
G
G
G
OZONE
OZONE
OZONE
OZONE
OZONE
Santa Clara Valley
31
58
M
M
M
OZONE
OZONE
OZONE
OZONE
OZONE

Utility Buttons

  • Email This Page
  • Share Share