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Long Park - Haymarket

  • Site Designator: 45-L
  • EPA site number: 51-153-0009
  • State: Virginia
  • County: Prince William
  • City: Prince William County
  • Address: 4603 James Madison Highway
  • Site coordinates:
    • Latitude: 38° 51' 10.33" North (+38.852870°)
    • Longitude: 77° 38' 4.63" West (-77.634620°)
    • Elevation: 110 m (361 ft)
  • Maintained by: Virginia DEQ
Area Map Overall site view Street level Map
Northwest North Northeast
Southwest South Southeast
Current Measurements
Monthly Summary Report
Yearly Summary Report
  • Real-time monitoring since: Saturday, January 1, 2000
  • Current status: Active
  • Continuous monitors located at this site:
    • Ozone
    • Oxides of Nitrogen
  • Parameters currently being monitored:
    • Pollution parameters:
      • Nitric Oxide
      • Nitrogen Dioxide
      • Oxides of Nitrogen
      • Ozone

PLEASE NOTE: This data has not been verified by the Virginia DEQ and may change. This is the most current data, but it is not official until it has been certified by our technical staff. Data is collected from Virginia DEQ ambient monitoring sites and may include data collected by other outside agencies. This data is updated hourly. All times shown are in local standard time unless otherwise indicated.