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Partly cloudy into early Thursday with lows in the 70s to near 80 degrees. Air quality remains poor. There will not be much relief overnight. A passing shower is possible, but most of the night will ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. I'm on my third summer ...