Health officials issued a ground-level ozone warning Thursday for the lower Hudson Valley, New York City and Long Island.

Canadian wildfire smoke is triggering air quality alerts across the U.S. Midwest and Northeast on Thursday, as the northern ...

An air quality alert is in effect today for NYC, Long Island, and part of New Jersey due to smoke from the Canadian wildfires ...

Thursday will be a sunny, hot and hazy day in Philadelphia, though a Code Orange Air Quality Alert is in effect for much of ...

Typically, during the summer months of June, July and August, when the wind goes northwest behind a front, the New York sky ...

New York state health officials have issued an Air Quality Health Advisory for NYC on Thursday due to the forecast presence ...

Thursday will likely be the year’s first 90-degree day for many areas, with a chance of scattered thunderstorms in northern ...

The raging fires on Thursday are also expected to degrade air quality in parts of the Great Plains and Midwest. In New York, ...

Smoke traveling from wildfires in Canada, North Dakota and Minnesota triggered an air quality warning in northern Wisconsin.

Air quality alerts have been posted across the US Northeast, including New York City and Washington, due to Canadian wildfire ...

An air quality alert was reported by the National Weather Service on Wednesday at 3:45 p.m. in effect until Friday at ...

We've got unhealthy air quality for sensitive respiratory groups before an increase in heavy rainfall this weekend.