A Spare the Air alert has been issued for today in the Bay Area as
light winds, heat and exhaust from vehicle traffic produce an unhealthy level of smog. The alert is the 24th this season.
Officials with the Bay Area Air Quality Management District said smog, or ozone, can irritate throats, cause congestion and chest
pain, trigger asthma, inflame the lining of the lungs and worsen bronchitis and emphysema, air quality officials said., adding that long-term exposure can damage the lungs.
Smog can be particularly harmful to young children, seniors and
people with respiratory and heart conditions.