Another air quality alert is in effect Tuesday for NYC, western Long Island, the Hudson Valley, northwest New Jersey and ...

The National Weather Service has issued an alert for New Yorkers as an air quality alert has been declared for most of the ...

Air quality in New York City continues to pose health risks for the community, as elevated ozone pollution has prompted ...

PM2.5 — is expected to push the Air Quality Index over 100, reaching levels unhealthy for sensitive groups, including ...

Hazy skies descend over the New York City area again on Tuesday, re-upping some air quality alerts related to Canadian ...

Parts of New York are expected to experience the third consecutive day of bad air quality Wednesday, as wildfire smoke ...

STATEN ISLAND, N.Y. — New York City will be under an air quality health advisory on Sunday for ozone, as issued by New York ...

New York was hit with an air quality alert Saturday as smoke from Canadian wildfires drifted across the state, pushing levels ...

New York City, Long Island and the Hudson Valley will all experience air quality within the 101-150 range on the air quality ...

As of Thursday morning, New York City and Washington, D.C. have the two worst air quality conditions in America, according to IQ Air’s live ranking of major world cities, which ranks the cities ...

The air quality in New York City and across the northeast is the worst since record-keeping began in 1999 because of the wildfire smoke from Canada, officials said.

AirNow and PurpleAir use the Air Quality Index, or A.Q.I., a measure of air quality from 0 to 500 that is composed of six categories, from “good” to “hazardous.” ...