Extreme heat and humidity, as well as the threat for severe storms, are expected Friday in NYC. Here's what you need to know.

An Air Quality Health Advisory has been issued for the New York City Metro regions and Long Island from 11 a.m. to 11 p.m.

A heat advisory has been issued for parts of Long Island, including Nassau and Suffolk Counties, as heat indices could reach ...

Temperatures were forecast to reach the mid-90s, with humidity making it feel like 100 degrees or even higher.

Temperatures are forecast between the high 80s and the mid 90s but the high humidity will make the air feel around 100 degrees or even higher.

The MPCA has issued another Air Quality Alert in place through Friday. The AQI is expected to reach the Red Category.

An air quality alert is in effect through Friday and is expected to reach unhealthy levels for everyone in northern and ...

The Pennsylvania Department of Environmental Protection has declared a Code Orange Air Quality Action Day for ozone for Monday in Lehigh and Northampton counties. On Monday a large area of high ...

New York State, including the five boroughs and Long Island, was put under a heat advisory and air quality alert on Wednesday. The advisory issued by the National ...

The 'unhealthy for sensitive groups' air quality in Chicago comes as an air quality alert was issued for the entire state of ...

On Friday, the air quality is expected to be unhealthy for everyone in a large northwestern part of the state due to heavy smoke from Canadian wildfires.