Tomorrow, Tuesday, September 20 and Wednesday, September 30, are Spare the Air days in the San Francisco Bay Area

Concentrations of ground-level ozone pollution are forecast to be unhealthy tomorrow, Tuesday September 20th and Wednesday, September 21st. Hot temperatures and light winds will combine to produce poor air quality for the Bay Area.
To help prevent smog, please:

Visit to download our FREE iSmog application for alert notifications and local air quality forecasts.

Leave a Comment