Don't exercise midday or in the afternoon, and avoid strenuous outdoor activity when ozone smog or other pollution levels are high. The highest levels of ozone typically occur during the afternoon.
Avoid congested streets and rush hour traffic since motor vehicles are a primary source of air pollution. Also remember that pollution levels can be high up to 50 feet from the roadway.
Make sure teachers, coaches and recreation officials know about air pollution and act accordingly.
Be aware or the quality of the air you breathe. Pollution levels are often given with local weather reports and printed in newspapers.Watch the calendar. Ozone smog tends to be worst during the May-to-September "smog season". Be especially conscious of smog levels during hot weather.