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Air quality health advisory

Haze from Canadian wildfires is visible in the sky over a farm field off Doctors Path in Riverhead, as plumes of smoke drifted south across the region July 15. RiverheadLOCAL/Peter Blasl

Smoky conditions expected to persist through at least Thursday night

by Jul 16, 2026
An air quality health advisory remains in effect through midnight as smoke from Canadian wildfires continues to impact the region.

Wildfires in Canada cause high levels of fine particulates across New York

by Jul 15, 2026
Wildfires in Canada are causing smoky conditions in New York State, prompting air quality alerts for fine particulates in all regions across the state Wednesday.

Air quality health advisory for ozone issued for Long Island on Tuesday

by Jul 13, 2026
An air quality health advisory for ground-level ozone has been issued for Long Island and the New York City metro area on Tuesday, according to the New York State Department of Environmental Conservation.

‘Dangerously hot conditions’ through Friday night; ozone levels prompt air quality advisory

by Jul 1, 2026
Heat index values up to 112ยบ are expected Thursday and Friday. Air quality will be unhealthy for sensitive groups. An extreme heat warning is in effect through Friday night with an extreme heat watch posted for the 4th.

Air quality advisory in effect again Friday on Long Island, remains in effect through 11 p.m. Thursday

by Jun 11, 2026
An air quality health advisory is in effect again Friday for Nassau and Suffolk counties, from 11 a.m. to 11 p.m.

Air quality health advisory for ozone issued for Long Island on Thursday

by Jun 10, 2026
An air quality health advisory has been issued for Nassau and Suffolk counties for Thursday, according to the New York State Department of Environmental Conservation.

Air quality health advisory for ozone in effect Saturday

by Jun 6, 2026
An air quality health advisory for ground-level ozone is in effect Saturday for Long Island and the New York City metro area, including Suffolk County, according to the New York State Department of Environmental Conservation.

Air quality health advisory for ozone in effect Friday across Long Island

by Jun 4, 2026
An air quality health advisory for ground-level ozone will be in effect Friday from 11 a.m.

Air quality alert for ozone in effect Tuesday across Long Island

by May 19, 2026
An air quality health advisory for ground-level ozone will be in effect across Long Island Tuesday, 11 a.m.-11 p.m.

Air quality health advisory for ozone in effect Monday, 11 a.m. to 11 p.m.

by Aug 11, 2025
An air quality health advisory will be in effect Monday for the Long Island region and New York City Metro regions, where air will be unhealthy for sensitive groups.