The worst air in the country on June 14 is in New Castle County. The air quality index in Wilmington as of 9:45 a.m. was 227, ...

Columbus' air quality is once again expected to become unhealthy for sensitive groups on June 12 due to smoke and ozone ...

Typically, during the summer months of June, July and August, when the wind goes northwest behind a front, the New York sky ...

The classifications are based on a federal measurement system called the Air Quality Index. The Air Quality Index is used nationwide to measure the severity of air pollution and categorize the ...

New York state health officials have issued an Air Quality Health Advisory for NYC on Thursday due to the forecast presence ...

The Air Quality Index (AQI) uses a color-coded scale to inform the public about air pollution levels and potential health ...

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

The Southwest Ohio Air Quality Agency issued an air quality alert for Thursday, June 12, in Greater Cincinnati. The air ...

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

With smoke from Canadian wildfires expected to continue affecting affect Michigan this summer, knowing how to check the air quality before heading outside for physically demanding work or recreation ...

Officials issue an air quality advisory for counties in southwest Michigan as Canadian wildfires burn. Here's what the air ...

An air quality advisory for Long Island is the result of smoke from Canada wildfires, New York State officials say.