Air quality health advisory

The Air Quality Health Index today is forecast to reach 101, which is considered unhealthy for sensitive groups, including young children, seniors and those with pre-existing respiratory or heart problems.

An air quality health advisory will be in effect again on Wednesday for the Long Island region, where air will be unhealthy for sensitive groups. A heat advisory is also in effect.

Air quality on Tuesday is expected to be unhealthy for sensitive groups due to ground-level ozone, according to the State Department of Environmental Conservation.

An air quality health advisory is in effect again today for Long Island and the rest of the metro New York region for fine particle pollution caused by smoke from Canada wildfires.

A heat advisory for heat index values of 100º-102º F, and an air quality health advisory for ozone are in effect Friday. There is also a risk of severe weather in the late afternoon-evening Friday.

A heat advisory is in effect again today with heat index values of up to 102º F in the forecast.

An air quality health advisory, heat advisory and UV alert are in effect again Wednesday as the heat wave persists on Long Island.

With afternoon temperatures forecast to reach 99 degrees locally Tuesday and heat index values as high as 104, the area remains under a heat advisory through 8 p.m. Tuesday. Most of L.I. west of Riverhead Town is under an excessive heat warning.

Heat index values are expected to reach 100 across the Long Island region, with more moderate temperatures on the South Fork. An air quality health advisory for ozone and a heat advisory are in effect through Tuesday evening.

An air quality health advisory is in effect today for the Long Island region, where levels of ground level ozone will make the air unhealthy for sensitive groups, including  young children, people with cardiovascular disease and respiratory disease such as asthma.