If you need to be careful about what you’re breathing outside, these apps can give you useful information. If you need to be careful about what you’re breathing outside, these apps can give you useful ...

It wasn’t that long ago that few people were monitoring the air—not the government, not its citizens. Today, weather apps provide estimates of outdoor air quality, and the government’s own air quality ...

The air quality in Mecklenburg County sat at 50, which is considered safe for outdoor activities, according to the Environmental Protection Agency — but going outside when air quality is poor can hurt ...

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We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Tim Heffernan Tim Heffernan covers air and water filtration, as well as ...