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Extreme_Qwerty OP t1_j1xwnt8 wrote

Usuallly the Pittsburgh area has worse air quality, from industrial sites, fracking and vehicle exhaust, and this pollution gets trapped in our many valleys, where it lingers.

Inversions make it worse.

If you're always groggy and sleepy, even after a full night's sleep, it may be due to pollution, which seeps in from outdoors and makes you congested.

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