Annual Air Pollutant Statistics for Ontario from 1995
Updated 2mo ago
13filesXLSX
Available on 1 platform
Sign in to view source links and access this dataset
Description
Annual statistics from 1995 onward track six key pollutants: Carbon Monoxide, Oxides of Nitrogen, Ozone, Fine Particulate Matter, Sulphur Dioxide, and Total Reduced Sulphur. The Government of Ontario provides percentile, mean, and maximum values, along with counts of exceedances against provincial air quality criteria. This data supports the annual Air Quality in Ontario Reports, with hourly concentrations available separately.
Use Cases
Analyzing long-term trends in pollutant concentrations based on annual statistics from 1995 onward
Evaluating regulatory compliance based on counts of exceedances against Ontario air quality criteria
Comparing pollutant levels across years based on percentile, mean, and maximum values
Correlating public health outcomes with annual pollution levels based on tracked pollutants
Strengths
Data covers six specific pollutants: Carbon Monoxide, Oxides of Nitrogen, Ozone, PM2.5, Sulphur Dioxide, and Total Reduced Sulphur
Time series spans from 1995 to the current available year, providing a long-term perspective
Includes multiple statistical measures: percentiles, mean, maximums, and exceedance counts
Limitations
Column-level documentation is absent; field semantics must be inferred after download
Row count is unknown, which may limit suitability assessment
Data may reflect geographic bias inherent to open_canada, focusing solely on Ontario
Provenance
Source
Government of Ontario
Collection Method
Likely collected from air monitoring stations across Ontario.
Time Range
1995 to the current available year
Freshness
Last updated 2026-04-17 15:43:54.334574; freshness should be verified
Geography
Ontario, Canada
Hourly real-time data is available on a separate website; this dataset contains annual summaries.