As cities in the Northeast U.S. reach and even surpass “unhealthy” levels of air pollution, officials are urging people to avoid outside activities. Here’s what to know about exercising when air quality is bad.
Source: CBS Minnesota
As cities in the Northeast U.S. reach and even surpass “unhealthy” levels of air pollution, officials are urging people to avoid outside activities. Here’s what to know about exercising when air quality is bad.
Source: CBS Minnesota