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

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

Typically, during the summer months of June, July and August, when the wind goes northwest behind a front, the New York sky usually becomes a deep blue and the humidity dips. However, as explained by Kines, these winds will continue to carry smoke down into New York until the flames are extinguished.

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

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

Amazon is selling a $130 air purifier for only $63, and shoppers notice an 'immediate difference’ in air quality originally appeared on TheStreet.

INDIANAPOLIS— Those in central Indiana with asthma, COPD, and any other similar diagnoses should avoid spending time outdoors on Thursday due to the ground-level ozone forecast, according to the Indianapolis Office of Sustainability.

Numerous major cities across Alberta and Saskatchewan have maxed out the Air Quality Health Index on Wednesday due to thick wildfire smoke.