It's always encouraged to avoid breathing in smoke, and remember the air quality still may be unsafe even if you do not smell ...

A new report on air quality across the United States offered a cloudy prognosis on the long-term health of about 156 million residents who live in areas that received an "F" in smog and soot ...

The Clean Air Act requires the EPA to periodically estimate the costs and benefits of air quality regulations. In the most recent estimate, released in 2011, the EPA projected that air quality ...

It's always encouraged to avoid breathing in smoke, and remember the air quality still may be unsafe even if you do not smell ...