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Air Quality
Ozone - Our ozone page includes: Roanoke
Valley factsheet profile, ozone tracking data,
recent health studies, forecast information,
Roanoke Valley ozone Early Action Plan
Particulate Matter - Our PM
page includes: description of PM 2.5, PM 2.5
impacts, recent health studies, forecast
information, PM tracking Roanoke and Salem
PM 2.5 data.
Air Pollution and Health Impacts
Profile - brief summary of recent studies
AQI
Matrix - Air Quality Index color
coded and defined for values for PM 2.5
and Ozone pollutants, along with health
cautionary statements. UPDATED to reflect new March 12, 2008 Ozone standard. New 2008 Ozone Standard compared to Old 1997 Ozone Standard 2008 compared to 1997 AQI Matrix
View a Good Air
Quality Day versus a Bad Air Quality Day in
the Roanoke Valley.
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Air Quality News:
March 12, 2008: EPA
announces new Ozone Standard
March 12: 2008: American
Lung Association statement on new ozone standard
August 27, 2007: Roanoke Valley Has Two Code Orange Air
Quality Days in August. First exceedence of ozone standard since
2003. Read article
April 11, 2006: Coalition comments
on EPA proposal to revise Particulate Matter standard.
February 23, 2006: Roanoke Valley Particulate
Monitors Exceed Annual Health Standard in 2005.
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