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The Conversation USA

Air pollution inside Philly’s subway is much worse than on the streets

  • Written by Kabindra Shakya, Associate Professor of Environmental Science, Villanova University
imageAge of subway, frequency of trains and poor ventilation contribute to bad air quality. Bastiaan Slabbers/NurPhoto via Getty Images

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 of Exposure...

Read more: Air pollution inside Philly’s subway is much worse than on the streets

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