Philly One of the Smoggiest Cities In The Country, New Report SaysA recent report ranks Philadelphia as one of the smoggiest cities in the nation.
Smoggy Day Makes An Unusual Autumn Appearance In PhiladelphiaA spokeswoman for the Pennsylvania Department of Environmental Protection says it's unusual for such bad air quality this time of year.
A Relationship Between Traffic-Related Pollution And CancerWe know that air pollution can cause health problems like increased rates of asthma and even more serious lung issues but now researchers at UCLA say there could be bigger problems.
Philadelphia Among America's Smoggiest Cities, Says Environmental GroupMichael Tracht of Penn Environment says Philadelphia is the fifth smoggiest big city based on the number of days when the air was unhealthy, both in 2010 and this summer.
Philadelphia Area Ranks Bottom 25 In America For Air QualityThe American Lung Association is out with its annual "State of the Air" report, and there's good news and bad news for the Delaware Valley.

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