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

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

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

Conditions will be mostly pleasant in Northeast Ohio before rain chances increase going into the weekend. Unfortunately, ...

An air quality advisory has been issued for the northern half of Wisconsin as Canadian wildfire smoke has mixed down the the ...

An air quality advisory has been issued for portions of Northeast Ohio due to a summer-like warmup with sunny skies and ...

An air quality advisory is in effect until 12 a.m., Saturday, June 7, as Michigan continues to see effects of Canadian ...

The state Department of Environmental Conservation has issued an air quality health advisory for Sunday due to smoke from ...

Part of the mid- and lower Hudson Valley is under an advisory for ground-level ozone pollution, which is expected to worsen ...

The air quality advisory, in effect until 11 p.m. Wednesday, urges people to "limit strenuous outdoor activity in the ...

The Bay Area Air District has extended an air quality advisory through Thursday because of wildfire smoke coming from Canada.

The Bay Area Air District has extended an air quality advisory through Wednesday due to wildfire smoke from Canada.