This year's eighth Spare the Air alert has been issued for Saturday in the Bay Area as sweltering temperatures brew unhealthy smog levels in ground level air.
The advisory is in effect for the entire Bay Area, though the air quality index has been designated as "unhealthy for sensitive groups" in only the Eastern District and Santa Clara Valley, where weather forecasters predict temperatures to reach the low 100s.
The Bay Area Air Quality Management District asks residents to minimize driving and other polluting activities and advises them to restrict outdoor exercise to the morning when smog concentrations are lowest. Ozone, the active ingredient in smog, can irritate eyes, throats and the lining of lungs, and worsen asthma and emphysema.
"This late-summer hot spell means poor air quality is expected in the Bay Area," Air District executive officer Jack Broadbent said. "Reducing driving alone, especially in the summer months, will go a long way toward eliminating pollution that turns to smog when we have hot weather."
Air pollution in seven Bay Area counties and parts of southern Solano and Sonoma counties is regulated by the air district. Visit sparetheair.org for more information.
Contact Erin Ivie at 925-847-2122. Follow her at Twitter.com/erin_ivie.