Beyond stepping outside to get some Vitamin D and fresh air, an air purifier is how you can dramatically improve what you’re ...

Maryland counties’ air pollution continues to worsen, especially in Baltimore County, according to a newly published report, which found more ozone, smog and fine particles aloft across the ...

The American Lung Association’s report ranks the Atlanta metro area as the third-worst in the Southeast for ozone pollution.

The Houston area is among the worst in the country for air quality, according to the American Lung Association's State of the ...

American Lung Association’s 2025 annual air quality index gives failing grades to Georgia’s population center for smog and ...

It does not necessarily reflect the view of The Herald. THE air quality in Warrington has been revealed in new data, and here’s what the council had to say about it. IQAir has published figures ...

The Climate Prediction Center's recent dire drought outlook for California and the western United States has some more bad news: The dry, hot conditions will worsen air quality and introduce more ...

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The air quality index from 0 to 100 is considered 'good', 100 to 200 'moderate', 200 to 300 'poor', 300 to 400 'very poor' and from 400 to 500 or above 'severe'.