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

Smoke from wildfires burning in Canada has caused air quality alerts for parts of New York state, including New York City.

NEW YORK — Hazy skies and low air quality returned to the five boroughs on Monday, as smoke from Canadian wildfires again ...

An air quality alert went into effect for the metropolitan area went out Monday at midnight and continues until midnight ...

An air quality advisory is in effect for New York City on Monday due to wildfire smoke from Canada, according to officials.

New York and other neighboring states are under an air-quality advisory due to influx of smoke from ongoing wildfires in ...

Air-quality alerts have been posted in New York City, with 740 fires raging across Canada from the Arctic Circle to southern ...

New Yorkers are under an air quality health advisory Monday, Aug. 4, as wildfire smoke and ozone pollution push levels into ...

Wildfires burning in Canada were causing unhealthy air quality across parts of North America on Monday. Canadian wildfires ...

An air quality alert was issued by the New York State Department of Health on Saturday due to smoke from wildfires in Canada.

Forecasters say weak winds have left Canadian wildfire smoke to linger over the U.S. Stronger winds are expected to bring ...

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