Return to main Clark County MeteoStar Monitoring web page
Return to main Clark County MeteoStar Monitoring web page


  • EPA site number: 32-003-0022
  • State: Nevada
  • County: Clark
  • City: Apex
  • Address: 12101 Hwy 91, Nevada Las Vegas, NV 89165
  • Site coordinates:
    • Latitude: 36° 23' 27.71" North (+36.391030°)
    • Longitude: 114° 54' 26.74" West (-114.907429°)
    • Elevation: 661 m (2171 ft)
  • Deactivated (Deactivated Oct 1, 2020)
Area Map Overall site view Street level Map
Northwest North Northeast
Southwest South Southeast
Historical Measurements
Monthly Summary Report
Yearly Summary Report
  • Real-time monitoring since: Wednesday, January 1, 2003
  • Current status: Deactivated Thursday, October 1, 2020
  • Parameters that have been monitored but are no longer active:
    • Pollution parameters:
      • Sulfur Dioxide
      • Nitric Oxide
      • Nitrogen Dioxide
      • Oxides of Nitrogen
      • Ozone
      • PM-2.5 Mass
      • PM-10 Mass
      • PM-10 (Standard Conditions)
      • PM-2.5 (Local Conditions)
    • Meteorological parameters:
      • Wind Speed
      • Resultant Wind Speed
      • Resultant Wind Direction
      • Maximum Wind Gust
      • Standard Deviation of Horizontal Wind Direction
      • Outdoor Temperature
      • Dew Point Temperature
      • Internal Station Temperature
      • Relative Humidity
      • Precipitation

PLEASE NOTE: This data has not been verified by the Clark County Department of Air Quality 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 Clark County Department of Air Quality 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.