A “Spare the Air” alert has been issued by the Bay Area Air Quality Management District for Saturday, the second straight day the alert is being issued because of unhealthy pollution levels, air quality officials said today.

An unhealthy amount of ozone pollution is expected in the region because of a combination of hot weather, low winds and car exhaust, according to air quality officials.

A similar alert was issued on Friday by the district.

On days when the alerts are issued, Bay Area residents are advised to walk, bike, carpool or use public transit instead of driving when possible.

There is no free public transit available and, unlike winter “Spare the Air” alerts, no ban on wood burning is in effect, according to the district.

Anyone who plans to exercise outdoors is advised to do so in the early morning hours when ozone concentrations are lower, district officials said.

Saturday’s “Spare the Air” alert is the third in the Bay Area since the season started on May 1.

Dan McMenamin, Bay City News

Please make sure your comment adheres to our comment policy. If it doesn't, it may be deleted. Repeat violations may cause us to revoke your commenting privileges. No one wants that!