Eight-hour ozone exceedences (2006)
Dates and locations in Virginia where air quality monitors recorded ozone concentrations greater than 84 parts per billion, the health-based air quality standard measured over eight hours.
Numbers indicate ozone concentration in parts per billion. All information is unofficial until quality-assured by the DEQ Office of Air Monitoring.
Richmond Area
- Charles
City County
- 5/30 - 87 PPB
- 6/21 - 88 PPB
- 7/18 - 90 PPB
- Chesterfield
County
- 5/29 - 90 PPB
- 8/06 - 91 PPB
- Hanover
County
- 5/30 - 95 PPB
- 6/22 - 86 PPB
- 8/26 - 85 PPB
- Henrico
County
- 5/30 - 97 PPB
- 7/18 - 96 PPB
- 8/02 - 86 PPB
- 8/24 - 86 PPB
Hampton Roads
- Hampton
- Suffolk
(Holland)
- Suffolk
(Tidewater Community College)
- 7/17 - 91 PPB
- 7/31 - 85 PPB
Roanoke Area
Valley Area
- Frederick
County
- Page
County
- Rockbridge
County
- Shenandoah
National Park
Southwestern Virginia
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Northern Virginia
- Alexandria
- 5/30 - 94 PPB
- 7/17 - 98 PPB
- 7/18 - 118 PPB
- Arlington
County
- 5/30 - 101 PPB
- 5/31 - 85 PPB
- 7/17 - 95 PPB
- 7/18 - 97 PPB
- 7/19 - 85 PPB
- Caroline
County
- 5/30 - 86 PPB
- 7/17 - 87 PPB
- 7/18 - 87 PPB
- 8/23 - 85 PPB
- 8/24 - 85 PPB
- Fairfax
County (Annandale)
- 5/30 - 92 PPB
- 5/31 - 85 PPB
- 7/17 - 87 PPB
- 8/25 - 85 PPB
- Fairfax
County (Chantilly)
- 5/31 - 88 PPB
- 7/19 - 86 PPB
- Fairfax
County (Franconia)
- 5/30 - 99 PPB
- 7/17 - 107 PPB
- 7/18 - 109 PPB
- 7/19 - 85 PPB
- 8/16 - 85 PPB
- 8/23 - 87 PPB
- 8/25 - 86 PPB
- Fairfax
County (McLean)
- 5/30 - 90 PPB
- 5/31 - 92 PPB
- 6/1 - 86 PPB
- 6/17 - 87 PPB
- 7/17 - 88 PPB
- 7/19 - 100 PPB
- Fairfax
County (Mount Vernon)
- 5/30 - 94 PPB
- 7/17 - 116 PPB
- 7/18 - 125 PPB
- 8/01 - 88 PPB
- 8/23 - 87 PPB
- 8/25 - 88 PPB
- Fauquier
County
- 5/30 - 95 PPB
- 8/26 - 86 PPB
- Loudoun
County
- 5/31 - 102 PPB
- 7/19 - 88 PPB
- Prince
William County
- 5/30 - 96 PPB
- 5/31 - 98 PPB
- 8/17 - 86 PPB
- 8/26 - 90 PPB
- Stafford
County
- 5/30 - 116 PPB
- 7/17 - 88 PPB
- 7/18 - 109 PPB
- 7/19 - 101 PPB
- 8/23 - 91 PPB
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