Air Quality Assessments
Summary of results
Canada-wide Standards were not exceeded for ozone or particulate matter in Alberta during the 2001?2007 assessment period.
The planning trigger for ozone was exceeded in metropolitan Edmonton and Calgary, and the Parkland Airshed Management Zone (PAMZ), the West Central Airshed Society (WCAS), and Fort Air Partnership Airshed (FAP). (Note: parts of the FAP and WCAS airsheds fall inside metropolitan Edmonton boundaries.) These areas were assigned to the management plan action level following the 2001-2003 (first) assessment, and continued to exceed the planning trigger following the 2002-2004 assessment. The Alberta Capital Airshed Alliance (ACAA) and Calgary Region Airshed Zone (CRAZ) have since formed for the Edmonton and Calgary areas.
Areas assigned to the management plan action level must develop an air quality management plan. These plans should consider population growth, industrial activity and air quality trends. The goal of the plan is to avoid future exceedances of the Canada-wide Standards.
Metropolitan Edmonton and the WCAS airshed have continued to exceed the planning trigger after the 2001-2003 assessment. Ozone levels in Metropolitan Calgary and the PAMZ and FAP airsheds fell below the planning trigger following the 2002-2004 assessment. However, by consensus agreement of the CASA Particulate Matter and Ozone Implementation Team, these areas still must develop management plans, based on their previous assignment.
Latest Alberta Particulate Matter and Ozone Assessment Report:
- 2001 to 2007 Particulate Matter and Ozone Assessment report (PDF)
- 2007 Particulate Matter and Ozone Management Fact Sheet (PDF)
Previous assessment reports:
- 2001 to 2003 Summary (detailed) report (PDF)
- 2001 to 2003 Fact Sheet (PDF)
- 2002 to 2004 Summary (detailed) report (PDF)
- 2002 to 2004 Fact Sheet (PDF)
Information on the assessment process and procedure for handling natural, background or trans-boundary episodes: