Canada Gazette, Part I, Volume 159, Number 40: GOVERNMENT NOTICES

October 4, 2025

DEPARTMENT OF THE ENVIRONMENT

CANADIAN ENVIRONMENTAL PROTECTION ACT, 1999

Notice with respect to the availability of an equivalency agreement with Alberta (upstream oil and gas sector)

Pursuant to subsection 10(7) of the Canadian Environmental Protection Act, 1999, notice is hereby given that the Minister of the Environment makes available the Agreement on the Equivalency of Federal and Alberta Regulations Respecting the Release of Methane from the Oil and Gas Sector in Alberta, 2025.

The Agreement is available as of October 24, 2025, on the Canadian Environmental Protection Act Registry.

Contact

Clare Demerse
Director
Oil, Gas, and Alternative Energy Division
Department of the Environment
351 Saint-Joseph Boulevard
Gatineau, Quebec
K1A 0H3
Email: methane-methane@ec.gc.ca

(Erratum)

DEPARTMENT OF THE ENVIRONMENT DEPARTMENT OF HEALTH

CANADIAN ENVIRONMENTAL PROTECTION ACT, 1999

Update to Canadian Ambient Air Quality Standards for fine particulate matter

Notice is hereby given that the notice bearing the above-mentioned title published in the Canada Gazette, Part I, Vol. 159, No. 32 (PDF, 1.23MB), Saturday, August 9, 2025, on page 1698, contained some errors.

Table 2 on page 1702 should have been presented as follows:

Table 2: Air quality management levels and ranges of ambient air pollutant concentrations
Air quality management levels table 1 note b and goals Ranges of ambient air pollutant concentrations table 1 note a — PM2.5 in µg/m3 (24-hour CAAQS) Ranges of ambient air pollutant concentrations table 1 note a  — PM2.5 in µg/m3 (annual CAAQS)
2020 2030 2020 2030
Red
Reduce ambient air pollutant concentrations below the CAAQS		 >27 >23 >8.8 >8.0
Orange
Prevent CAAQS exceedance		 ≥20 and ≤27 ≥17 and ≤23 ≥6.5 and ≤8.8 ≥6.1 and ≤8.0
Yellow
Prevent air quality deterioration		 ≥11 and ≤19 ≥11 and ≤16 ≥4.1 and ≤6.4 ≥4.1 and ≤6.0
Green
Keep clean areas clean		 ≤10 ≤4

Table 1 note(s)

Table 1 note a

The concentrations have the same statistical form as their corresponding CAAQS (see the Annex above).

Return to table 1 note a referrer

Table 1 note b

The management levels come into effect at the same time as their respective CAAQS.

Return to table 1 note b referrer

Note: The HTML version has already been modified accordingly.