Air quality varies based on the type of pollutants in the cycle and can have dramatic ramifications for those breathing ...

When making rules on fine particulate matter and ozone limits, the EPA will no longer calculate the monetary value of lives ...

The Environmental Protection Agency (EPA) will cease quantifying the health effects of air pollution and ozone in dollar ...

"High pressure causes the air to sink," Hall explained. "It creates basically a cap or a lid over the Bay Area, and there's not much of a wind to help mix things out. Then you add on top of that some ...

Your eyes and nose are not deceiving you; the skies are pretty gnarly on Monday, with Salt Lake City currently holding the distinction of having the worst air quality in the entire U.S. While it holds ...

SALT LAKE CITY — It’s not just you—if the sky looks bad and the air smells off, it’s because Salt Lake City is topping the charts for the worst air quality in the nation right now, for a second day in ...

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