From purpleair.com: Eastern Pennsylvania has MUCH worse air quality than Western Pennsylvania tonight. Submitted by Extreme_Qwerty t3_zwzyuk on December 28, 2022 at 4:15 AM in Pennsylvania 39 comments 79
spicynuggies t1_j1xt8i7 wrote on December 28, 2022 at 4:41 AM Too many cars and too much concrete im assuming Permalink 0 Wuz314159 t1_j1ym49u wrote on December 28, 2022 at 10:35 AM Cars & factories combined with topography & weather. Permalink Parent 3
Wuz314159 t1_j1ym49u wrote on December 28, 2022 at 10:35 AM Cars & factories combined with topography & weather. Permalink Parent 3
From purpleair.com: Eastern Pennsylvania has MUCH worse air quality than Western Pennsylvania tonight.
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