Canada-United States Air Quality Agreement: Progress Report 2016

Table of contents

  1. Introduction
  2. Section 1: Acid rain annex
  3. Section 2: Ozone annex
  4. Section 3: Scientific and technical cooperation and research
  5. Conclusion
  6. Appendix A: List of acronyms and abbreviations

The International Joint Commission requests your comments on this report

The Canada–United States Air Quality Agreement (Agreement) directs the International Joint Commission (IJC) to invite public comments on progress reports prepared by the Air Quality Committee and to provide a synthesis of the comments to the Governments of Canada and the United States in order to assist them with implementing the Agreement.

The IJC is interested in your views on the draft 2016 Progress Report reflecting the Governments’ important work being carried out under the Agreement:

The IJC invites you to send written comments on this draft progress report until August 8, 2018, using one of the following methods:

  1. Online at the Participate IJC website
  2. Email at AirQuality@ottawa.ijc.org
  3. Mail at:
    • Canadian Section
      Secretary, Canadian Section
      International Joint Commission
      234 Laurier Avenue West, 22nd Floor
      Ottawa, Ontario K1P 6K6
    • United States Section
      Secretary, United States Section
      International Joint Commission
      1717 H Street NW, Suite 801
      Washington, DC 20006

United States spelling is used throughout this report except when referring to Canadian titles.
ISSN 1910-5223
Cat. No.: En85-1E-PDF

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List of figures and tables

Figure 1.

1990 Annual Wet Sulfate Deposition

Figure 2.

2014 Annual Wet Sulfate Deposition

Figure 3.

1990 Annual Wet Nitrate Deposition

Figure 4.

2014 Annual Wet Nitrate Deposition

Figure 5.

Total Canadian SO2 Emissions, 1980–2014

Figure 6.

SO2 Emissions from ARP and CAIR Sources, 1980–2014

Figure 7.

Annual NOX Emissions from ARP and CAIR Sources, 1990–2014

Figure 8.

Annual Average Standard Visual Range (km) 2010–2014

Figure 9.

Ozone Annex Pollutant Emission Management Area

Figure 10.

Ozone Concentrations along the United States–Canada Border (3-year Average of the Fourth-highest Daily Maximum 8-hour Concentration), 2012–2014

Figure 11.

Annual Average Fourth-highest Daily Maximum 8-hour Ozone Concentration for Sites within 500 km of the United States–Canada Border, 1995–2014

Figure 12.

Average Ozone Season (May–September) 1-hour NOX Concentrations for Sites within 500 km of the United States–Canada Border, 1995–2014

Figure 13.

Average Ozone Season (May–September) 24-hour VOC Concentrations for Sites within 500 km of the United States–Canada Border, 1995–2014

Figure 14.

Canada NOX Emission Trends in the PEMA Region, 1990–2014

Figure 15.

Canada VOC Emission Trends in the PEMA Region, 1990–2014

Figure 16.

United States NOX Emission Trends in PEMA States, 1990–2014

Figure 17.

United States VOC Emission Trends in PEMA States, 1990–2014

Figure 18.

Canada and the United States National Emissions by Sector for Selected Pollutants, 2014

Figure 19.

National SO2 Emissions in Canada and the United States from All Sources, 1990–2014

Figure 20.

National NOX Emissions in Canada and the United States from All Sources, 1990–2014

Figure 21.

National VOC Emissions in Canada and the United States from All Sources, 1990–2014

Table 1.

PEMA Emissions during 2014

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