The Pennsylvania county where an explosion at a U.S. Steel plant south of Pittsburgh killed two people and injured more than ...

Along with the humid air, air quality in Bristol County is expected to be unhealthy for sensitive groups. The Massachusetts ...

The Bay Area Air District has issued an air quality advisory in the region for Tuesday because of smoke from a wildfire in ...

Ozone pollution in Portland, Gresham and other cities could reach unhealthy levels for sensitive groups Tuesday afternoon.

The Air Quality Advisory issued by the Department of Environmental Protection is not the result of wildfire smoke, as it was ...

An air quality alert was reported by the National Weather Service on Tuesday at 12:17 p.m. in effect until 8 p.m. for ...

The state Department of Environmental Conservation had issued the Monday alert for 11 a.m. through 11 p.m. due to ozone ...

Bay Area residents may see hazy skies and smell smoke, but the air district does not expect pollutant levels to exceed ...

Another air quality alert is in effect for Philly and its neighboring Pennsylvania counties Sunday, and it looks like more ...

An air quality advisory has been issued in the Bay Area for Tuesday due to wildfire smoke drifting in from the Gifford Fire ...

An air quality advisory has been issued for the Bay Area amid concerns about wildfire smoke drifting into the region.

If you’ve looked outside and noticed a cloud of haze in the air, you’re likely witnessing the impact of the wildfires burning ...