Philadelphia issued a "Code Red" air quality alert Thursday due to Canadian wildfire smoke, with air quality reaching "Very ...

When an air quality alert is announced, here are what the code colors mean and what the health dangers are as Canadian ...

This map shows the AQI where you are as wildfires in Canada and Minnesota impact air quality levels in Ohio and beyond.

As the wind continues to blow in from the northwest, fine particles in the air will continue to make their way down across ...

Venues and entertainment offerings across Centre County have announced closures or postponements Thursday due to poor air ...

At Lehigh Valley International Airport, the National Weather Service forecasts widespread smoke Thursday night to become ...

A statewide Code Red Air Quality Alert was issued by the state DEP due to wildfires in Minnesota and Canada.

The Pennsylvania Department of Environmental Protection has declared a statewide Code Purple Air Quality Alert for Friday.

The Pennsylvania Department of Environmental Protection has issued a Code Red Air Quality Alert in York and other counties.

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Tokyo's Nikkei 225 index drops 5% on heavy selling of computer chipmakers and other AI-related shares. Copyright 2026 The Associated Press. All rights reserved. This material may not be published, ...

Wildfire smoke pushing into the state Wednesday afternoon is creating unhealthy particulate matter levels, officials said.