SAN FRANCISCO (AP) -- People across the San Francisco Bay area are being asked to limit driving to keep ozone levels down as the mercury rises.
The Bay Area Air Quality Management District has issued a “Spare the Air” alert for Friday.
Officials forecast temperatures will top 100 degrees in inland cities, creating ideal conditions for turning car exhaust into ground-level ozone, or smog.
Temperatures in San Francisco could reach the high 90s.
People sensitive to dirty air are especially advised to limit time outside, particularly in the afternoon hours when temperatures are the hottest.
Residents are also urged to limit other activities that cause pollution such as using oil-based paints, gas-powered garden equipment, and aerosol sprays.
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