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The CASA website shows real-time air monitoring data from seven monitoring stations in the Sarnia area, including concentrations of air pollutants and wind direction.

Additional monitoring data collected throughout the CASA monitoring network is available below.

  • Non-Continuous Data
    Results of volatile organic compounds (VOC), polycyclic aromatic hydrocarbons (PAH) and total suspended particulate (TSP) and metals measured at several CASA stations on an every 6-day or 12-day basis.
  • Temporary Air Monitoring Stations
    Results from temporary monitoring stations added to the CASA network.
  • Property Line Monitoring
    Results of Property Line Monitoring (PLM) collected by facilities registered to the Petroleum Refining and Petrochemical Industry Standards.

Working towards improving Sarnia's air quality!