Despite improvements in air quality in past decades, 156 million Americans still breathe in too much soot or ozone, says the ...

Air pollution levels keep getting worse for more people in the US, according to a new report, and experts say the Trump ...

Air in the U.S. has ... Fresno and Bakersfield. Ozone pollution is highest in the Los Angeles region. Phoenix, Arizona, and Dallas, Texas, also rank in the top 10 most smog-heavy cities.

A new report on air quality across the U.S. offers a cloudy prognosis on the long-term health of about 156 million residents ...

That’s why he is refining air quality measurement methods to identify the sources of air pollution, as well as which locations suffer from the most pollution. “A lot of it is anecdotal.

That’s why he is refining air quality measurement methods to identify the sources of air pollution, as well as which locations suffer from the most pollution. “A lot of it is anecdotal. Everyone knows ...

Lake City is in the top ten for worst ozone pollution in the U.S., according to the American Lung Association.

Almost half of everyone who lives in the United States breathes unhealthy levels of air pollution ... The top 10 areas most polluted by year-round particle pollution are: Even in the short ...