PM2.5 Summary Data - 2009

Virginia 2009 - PM2.5 Particulate Matter Summary by Region
Method Code 118 - Gravimetric, R & P Model 2025 Sequential Micrograms Per Cubic Meter (ug/m3)

LOCATION NO. OF OBSERVATIONS BY QUARTER HIGHEST VALUE PER QUARTER QUARTERLY ARITHMETIC MEAN
I II III IV I II III IV I II III IV
SOUTHWEST REGION
BRISTOL
Highlands View Elementary School
28 31  30  29 20.0  18.1 28.2   16.2 10.0  8.9  10.8 7.4
VALLEY REGION
ROCKINGHAM CO.
Rockingham VDOT
30 31  29 30 21.7 15.7  22.1 38.7 10.7  8.5 11.1 8.7 
REST 
Woodbine Road
28 31  28  31  24.1 16.4  21.3  21.6  11.6 10.0  12.0 8.1
LURAY
Luray Caverns Airport
29 28  28 31 24.4 16.1  20.8 21.4 10.5 7.9  9.7  7.3 
CHARLOTTESVILLE
Albemarle High School
30 30  30  31 17.5 14.5  21.4 16.9 8.9 8.1  10.1  6.3 
WEST CENTRAL REGION
SALEM
Salem High School
30  31 29  31 19.7 20.0  21.7 19.5  9.4 9.8  12.0  7.6
ROANOKE
2020 Oakland Blvd.
89  86 91 92  24.3 19.3  23.7 24.5  9.8 8.7  11.0 8.1 
LYNCHBURG
Water Tank on
Leesville Road
30  31 30  31  13.9 14.6  21.7 18.5  8.2 8.2  10.7  6.5 
PIEDMONT REGION
CHESTERFIELD CO.
Bensley Armory
25  30 30 31  15.5 13.9  20.5  24.8  10.0 8.5  10.8  7.7
HENRICO CO.
Math & Science Center
80  90 89 91 22.4 21.1  23.3 25.8  9.6 9.0  10.8  7.8

Virginia 2009 - PM2.5 Particulate Matter Summary by Region

LOCATION NO. OF OBSERVATIONS BY QUARTER HIGHEST VALUE PER QUARTER QUARTERLY ARITHMETIC MEAN
I II III IV I II III IV I II III IV
PIEDMONT REGION (cont.)
HENRICO CO.
Piedmont Regional Office
30 30  28  30  20.2 17.2  21.9  20.9 9.0 8.5  10.7 7.0
CHARLES CITY CO.
Route #608
28 28  26 30 20.1 15.0  18.5  20.7  8.6 9.2  10.1  6.6 
TIDEWATER REGION
HAMPTON**
Va. School for the Deaf & Blind
30  ---  ---  --- 18.3  ---  ---  --- 8.8 ---  ---  --- 
NORFOLK
NOAA Facility
29  30 28 30 17.1 14.7  19.5  17.2  9.3 8.9  11.3 8.1 
VIRGINIA BEACH
Tidewater Regional Office
87 89 82 90  28.1 24.0  25.8 32.5  10.2 8.7 9.9  7.9
NEWPORT NEWS***
Public School Maintenance Facility
--- 25 21  31 --- 14.7  19.3 18.3  --- 9.2  10.1  6.9

**Station discontinued in March 2009.  ***First run April 2009.

Virginia 2009 - PM2.5 Particulate Matter Summary by Region

LOCATION NO. OF OBSERVATIONS BY QUARTER HIGHEST VALUE PER QUARTER QUARTERLY ARITHMETIC MEAN
I II III IV I II III IV I II III IV
NORTHERN REGION
LOUDOUN CO.
Broad Run High School
30  31 28 31  28.4 13.5  20.0 21.6 10.9  8.3 10.4 7.4 
FAIRFAX CO.
Lee District Park
87  89 81  90  35.4 28.0  26.6  28.2  11.0  9.3 11.0  7.9 
ARLINGTON CO.
Aurora Hills
29  29 30 29  40.7 14.2  19.7  23.7  12.3  8.7 11.0 8.3 
FAIRFAX CO.
McLean Governmental Center
29  31 28  29  33.5 13.3  19.4  24.2  11.9  8.4 10.5 7.9
FAIRFAX CO.
Annandale
27  31 29 31  36.6 13.2  19.1  21.7  11.9  8.4 10.4 7.5 
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Virginia Department of
Environmental Quality
629 East Main Street
P.O. Box 1105
Richmond, VA 23218
(804)698-4000

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