Delhi's Air Quality Index was recorded at 76 around 6:30 am on Thursday— slightly more than that recorded a day earlier.

A Heat Advisory is in place for the region on Thursday. The Southwest Ohio Air Quality Agency has issued an Air Quality ...

The American College of Sports Medicine released its 2025 Fitness Index, ranking the 100 largest U.S. cities based on how ...

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

An air quality alert was issued by the National Weather Service in-Sullivan at 1:52 p.m. on Wednesday, July 23.

Thursday: A slight chance of showers and thunderstorms after 2 p.m. Sunny, with a high near 94. Heat index values as high as ...

Central Ohio counties face an Air Quality Alert as ozone levels rise due to high pressure and sunny conditions.

As of Tuesday morning, the Air Quality Index in Milwaukee was between 115 to 120, which falls in the "unhealthy for sensitive groups" category.

Canadian wildfire smoke no longer lingers in Michigan as of July 18. Southwest Michigan will experience unhealthy air for ...

The data that goes into the Air Quality Index comes from 5,000 air monitors across the country, including local, state, tribal, and federal reporting.

The worst air in the country on the morning of June 14 was in New Castle County because of a wildfire in New Jersey. The air quality index in Wilmington as of 9:45 a.m. was 227, which is "very ...