Why it matters: Long-term exposure to poor air quality is harmful to your health. State of play: The average percentage of fine particle pollution in the Philadelphia region decreased by 15.7% ...

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PHILADELPHIA - The severe weather of Tuesday afternoon has passed and in its place is much colder air, while winds remain ...

CHESTER COUNTY, PA — An air quality alert has been issued Friday for Chester County and the rest of the greater Philadelphia metropolitan area, the National Weather Service announced.

PHILADELPHIA (WPVI) -- Temperatures will trend above average as we head toward Easter weekend. THURSDAY: It's a beautiful afternoon with wall to wall sunshine, high 63. FRIDAY (GOOD FRIDAY): Sunny ...

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