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Pittsburgh TodayIndicatorsEnvironment

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  • Green Buildings
  • Marcellus Shale Drilling
  • Ozone
  • PM2.5
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  • Annual PM2.5 by County


    Environment / PM2.5

    PM 2.5 refers to airborne particles less than 2.5 micrometers in diameter. These microscopic particles can consist of several chemical compounds and are created by combustion sources, such as coal-fired power plants, steel and coke works and motor vehicles. PM 2.5 can travel deep into the lungs and studies have reported long- and short-term exposure... More


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The recent decline is driven by a couple of factors: Natural population loss – more deaths than births in the regio… twitter.com/i/web/status/9…


*February 2018

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