Shape Magazine
How Pollution Affects Your Workout
- Ease the pace: When you breathe in through your nostrils, you're taking advantage of your body's natural air filter. The cilia in your nose trap some harmful particles and prevent them from reaching your lungs. But because the small, sharp turns of the nasal passages offer resistance to airflow, says Avol, the natural tendency for exercisers is to breathe through the mouth. Don't aim to beat your best time when the air is smoggy. Slow your speed to a light jog or ride and try to breathe through your nose for at least part of your workout.
- Work out indoors: If air quality reaches risky levels or if you have asthma, bronchitis or emphysema, you may be better off working out in the air-conditioned indoors.
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