Is it safe to exercise outdoors when the air quality is bad?

Apr 29, 2023

As smoke from wildfires in Canada migrates south and blankets the northern United States with air the color and aroma of char, many people are probably wondering: Should I exercise outside in these conditions?

The answer, experts say, depends on your health, fitness and age. Here are answers to common questions about working out in smoke-filled air.

Your Move columnist Gretchen Reynolds has more advice to help you get moving.

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Is it better to work out in the morning or at night? We can help you decide.