Exercise in the Morning to Avoid Smog on High Pollution Days

Exercise: Good for your health.

Pollution: Bad for your health.

If you live in a smoggy city, balancing those concerns can be tough.

Fortunately, you might reduce your risk and still get that run or bike in on iffy days.

(They rise throughout the day because sunlight makes ozone pollution worse.)

Run on an indoor treadmill, if you have the option.

Should I Worry About Air Pollution When Exercising Outside?| Outside

Photo byKevin Dooley.