If you have been hearing about poor air quality in New York City Friday, you can breathe a deep sigh of relief (literally): ...

One possible reason for bad air quality in the city is a fire that broke out yesterday afternoon in Lancaster, Pennsylvania, ...

This measure, based on data from the Environmental Protection Agency, evaluates states on the number of days the Air Quality Index in counties was not rated “good.” U.S. News calculated a ...

The air has improved in the LA region as firefighters get blazes under control, but there are questions about how safe the ...

Blowing dust may result in air quality index levels that are unhealthy for sensitive groups or worse. The winds may disperse ash from the Palisades and Eaton fires, which have burned a combined ...

South Bronx Unite, with a grant from the New York Department of Environmental Conservation, installed 40 air quality monitors around the borough in 2022. Twenty more are going up now.

NEW YORK -- If you think something seems off ... Then, the southwest wind carried it gradually into the Tri-State Area. The Air Quality Index (AQI) map supports the movement of the smoke.

It comprises two measures: the number of days with an air quality index below a certain threshold and the number of violation points against drinking water systems in each state. Learn more about ...