Air quality stations

The air monitoring stations measure up to 6 common pollutants like:

  • ground-level ozone
  • fine particulate matter
  • nitrogen dioxide
  • carbon monoxide
  • sulphur dioxide
  • total reduced sulphur compounds

The Ministry of the Environment, Conservation and Parks continually monitors air quality across Ontario. We use this information to:

  • inform the public about outdoor ambient air quality through the Air Quality Index (AQI) and Smog Advisory program
  • assess Ontario's air quality and evaluate long-term trends
  • identify areas where pollutant levels are exceeded
  • identify the origins of pollutants
  • develop air policy
  • provide quantitative measurements to reduce specific pollution sources
  • determine the significance of pollutants from long-range transports and their effects
  • provide air quality researchers with data to link environmental and human health effects to air quality

Contact

Ontario's Open Data Team opengov@ontario.ca

Data

Data Available

The data described here is available for you to use. [Learn more]
[See the licence for how you're allowed to use this data.]

Covers 2000-01-01 - 2017-12-31

Supporting Files

Additional Info

Field Value
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Geography Breakdown None
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Last Validated Date 2020-06-19
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