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Summer Weather Brings Worse Air Pollution to Philadelphia

Emma Lee
The Philadelphia skyline is seen from the Market Frankford platform at 63rd Street.

The dog days of summer bring longer nights, higher temperatures and humidity – and poor air quality. Cars, trucks, and buses make up a significant portion of air pollution in cities like Philadelphia. WHYY’s Susan Phillips reports that summer weather makes the pollution worse.

(Original air-date: 6/18/21)