Exercise and breathing in summer
Marines of conduct jumping exercises. Exercising outdoors can be uncomfortable and sometimes unhealthy when it’s hot and humid, but there are ways to work out through the weather woes. (U.S. Marine Corps photo)
EXercising outdoors can be uncomfortable and sometimes unhealthy when it’s hot and humid, but there are ways to work out through the weather woes. You’re more likely to breathe faster and deeper and through your mouth—bypassing your nose’s natural filtration system—on hot days. You also risk greater exposure to air pollutants (such as carbon monoxide, particulate matter, and ozone) that can inflame your respiratory system. However, the risks associated with not exercising at all are far greater than the risks of exercising outdoors.
So, plan ahead before exercising outside. And limit your exposure to pollutants, especially on days and in conditions when pollution is bad.
- Avoid exercising in heavy-traffic areas, such as along highways and during rush hour.
- During warmer months, exercise earlier in the morning or later in the evening, when ozone levels and temperatures aren’t as high.
- Check the domestic or international air-quality ratings to determine when it’s safe to exercise outside. Limit your time outside on Code Red and Code Orange days. Environmental conditions on these days aren’t healthy, especially for children, the elderly, and those with existing respiratory conditions.
- Exercise indoors when the air quality indicates high ozone and particulate levels.
- Before any demanding physical activity, limit your carbon monoxide exposure by avoiding smoky areas and long car rides in congested traffic
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