Data: IQAir; Note: Among cities with at least 500k metro-area residents; Chart: Kavya Beheraj/Axios Philadelphia's average air quality got worse in 2023, according to the World Health Organization ...

Wildfire smoke will drift around the area today after being pushed toward the I-95 corridor overnight. Air quality is at a ...

On Sunday, Philadelphia’s Air Quality Index was rated in the orange category for high amounts of particulate matter.

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The air quality in the City Hall subway station in downtown Philadelphia is much worse than on the sidewalks directly above the station. That is a key finding of our new study published in the Journal ...

Gloucester County is providing shelter for those impacted by the aftermath of a wildfire in the Glassboro area.

The weather story has two main parts on Tuesday in the Philadelphia region -- chilly temperatures and the lack of rain. First, the temps -- a frost advisory was in effect for many counties around ...

Data: IQAir; Note: Among cities with at least 500k metro-area residents; Chart: Kavya Beheraj/Axios Philadelphia's average air quality got worse in 2023, according to the World Health Organization ...

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