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PM 2.5 limits and guidelines in Canada–Nova Scotia offshore area (CA.ns_offshore_area)

4 numeric limits and guidelines for pm 2.5 held for Canada–Nova Scotia offshore area and the place above it, from 1 instrument, each cited to its instrument, edition, section or page and quoted text. The register was built from 264 instruments. Everything held for Canada–Nova Scotia offshore area

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For programs: this page as JSON at /api/v1/limits?parameter=pm%202%205&place=CA.ns_offshore_area; the same at https://passage-data.com/mcp, a remote MCP server (tool find_limits). Every tool · llms.txt · OpenAPI

The one instrument we hold for Canada–Nova Scotia offshore area (CA.ns_offshore_area) has no row for pm 2.5. The rows below are from the place above it, which we search too.

Canada (CA): 4 rows

ParameterValueUnitStatisticGovernsApplies whenCite
PM 2.527µg/m³ambient air · guidelineThe 3-year average of the annual 98th percentile of the daily 24-hour average concentrations
2020		Canadian Ambient Air Quality Standards (CAAQS), environmental quality objectives under CEPA 1999 ss…
PM 2.5 24 hours (calendar day) 28 27 Micrograms per cubic metre (µg/m 3 ) The 3-year average of the annual 98th percentile of the daily 24-hour average concentrations
PM 2.58.8µg/m³ambient air · guidelineThe 3-year average of the annual average concentrations
2020		Canadian Ambient Air Quality Standards (CAAQS), environmental quality objectives under CEPA 1999 ss…
PM 2.5 Annual (calendar year) 10.0 8.8 Micrograms per cubic metre (µg/m 3 ) The 3-year average of the annual average concentrations
PM 2.523µg/m³ambient air · guidelineThe 3-year average of the annual 98th percentile of the daily 24-hour average concentrations
2030		Canadian Ambient Air Quality Standards (CAAQS), environmental quality objectives under CEPA 1999 ss…
Table 1: CAAQS for fine particulate matter
24-hour 23 The 3-year average of the annual 98th percentile of the daily 24-hour average concentrations
PM 2.58.0µg/m³ambient air · guidelineThe 3-year average of the annual average of the daily 24-hour average concentrations
2030		Canadian Ambient Air Quality Standards (CAAQS), environmental quality objectives under CEPA 1999 ss…
Table 1: CAAQS for fine particulate matter
Annual 8.0 The 3-year average of the annual average of the daily 24-hour average concentrations

Not held here: a discharge permit's own limits, and any rule for pm 2.5 outside the 13 instruments we hold for this place and the places above it. A row missing here is missing from our sources, not from the law.

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What was searched

Every instrument we hold for Canada–Nova Scotia offshore area (CA.ns_offshore_area) and the place above it, Canada (CA): 13 instruments, for every parameter name matching “pm 2 5”: pm 2 5, partikel pm 2 5 ohne berucksichtigung der staubinhaltsstoffe.

  1. Canadian Ambient Air Quality Standards (CAAQS), environmental quality objectives under CEPA 1999 ss. 54(1) and 55(1): Objectives for Ambient PM2.5 and Ozone, Annex paras 1-4 and footnotes 1-2, Canada Gazette Part I, Vol. 147, No. 21, May 25, 2013 · Canada Gazette, Part I, Volume 147, Number 21: GOVERNMENT NOTICES May 25, 2013 · source — 4 rows here
12 instruments searched with no row for it
  1. CCME — Soil Quality Guidelines for the Protection of Environmental and Human Health (Summary Table, as served 2026-09-24) · Canadian Council of Ministers of the Environment (CCME) · Summary Table · source sha256 f484a5f2a2dfcb5a4257763c853fc8dc810788cec54c75355b30ec194e2f7499 — no row here
  2. CCME Canadian Water Quality Guidelines for the Protection of Aquatic Life — freshwater and marine, short and long term · Canadian Council of Ministers of the Environment (CCME) · Summary Table (as served 2026-09-24; each guideline carries its own year) · source sha256 f484a5f2a2dfcb5a4257763c853fc8dc810788cec54c75355b30ec194e2f7499 — no row here
  3. Fisheries Act (R.S.C. 1985, c. F-14), s. 36(3) — no deposit of a deleterious substance in water frequented by fish; no value printed · Government of Canada (Fisheries Act; Environment and Climate Change Canada administers s. 36) · Justice Laws Website, current to 2026-09-21, last amended 2024-11-27 · source sha256 db95b0a149728b0f0b1e1b1314d87ecdf46a91e1edfec4a7006fc3cbe0080bd6 — no row here
  4. Health Canada — Guidelines for Canadian Drinking Water Quality, Summary Tables 1-3 (microbiological, chemical and physical, radiological) · Health Canada, with the Federal-Provincial-Territorial Committee on Drinking Water · page modified 2026-01-21 (dcterms.modified; issued 2014-10-22): Tables 1-3 as the browser pane rendered them on 2026-10-15 · source sha256 9451ad8bfa566c0625ae4fcb362272cbb0e20040c548540f362488118c300b89 — no row here
  5. Health Canada, Objective for Canadian drinking water quality — per- and polyfluoroalkyl substances (published 2024-08-09) · Health Canada · Objective value · source sha256 32a42a0d382cdd90729dd9750f47889782bd00d4af8dfd34f2b9aaf6f2678c6c — no row here
  6. Metal and Diamond Mining Effluent Regulations (SOR/2002-222) — Schedule 4, maximum authorized concentrations · Government of Canada (Fisheries Act; Environment and Climate Change Canada) · Justice Laws Website, current to 2026-09-21 · source sha256 2c6e0151d3776378f73df4868ca98052882ee81faf9738bbeba6f5d544b648fe — no row here
  7. Meat and Poultry Products Plant Liquid Effluent Regulations (C.R.C., c. 818) — Schedule I authorized deposits · Government of Canada (Fisheries Act; Environment and Climate Change Canada) · Justice Laws Website, current to 2026-09-21 · source sha256 c60e2a2dfa9a10c2ddd314b391bf66215ad599732f38b4c5a15fe793d8c28841 — no row here
  8. Offshore Waste Treatment Guidelines (National Energy Board, Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada-Nova Scotia Offshore Petroleum Board, 15 December 2010) — performance targets · National Energy Board, Canada-Newfoundland and Labrador Offshore Petroleum Board and Canada-Nova Scotia Offshore Petroleum Board (now C-NLOER and CNSOER) · 15 December 2010 (ISBN 978-1-100-17491-4) · source sha256 b0b2bca759a406484e14f25626d7c58358fbc45e037bb613e11d222d42af5215 — no row here
  9. Potato Processing Plant Liquid Effluent Regulations (C.R.C., c. 829) — Schedule I authorized deposits · Government of Canada (Fisheries Act; Environment and Climate Change Canada) · Justice Laws Website, current to 2026-09-21 · source sha256 691ca3953a6dd6ae66b4c72737944caa68ed76710447df642a16716dd25027a3 — no row here
  10. Pulp and Paper Effluent Regulations (SOR/92-269) — s. 14 maximum BOD and suspended solids · Government of Canada (Fisheries Act; Environment and Climate Change Canada) · Justice Laws Website, current to 2026-09-21 · source sha256 cc8432e6a4dd1834ff4dd43d5b5fb98f09b1f7af7952e36154febcc649504eb4 — no row here
  11. Petroleum Refinery Liquid Effluent Regulations (C.R.C., c. 828) — Schedule I authorized deposits · Government of Canada (Fisheries Act; Environment and Climate Change Canada) · Justice Laws Website, current to 2026-09-21 · source sha256 30e528bdc3a3546afb3defff4dae9b1dacb362e192680e127bd788d7f97c8ce8 — no row here
  12. Wastewater Systems Effluent Regulations (SOR/2012-139) — s. 6 effluent quality · Government of Canada (Fisheries Act; Environment and Climate Change Canada) · Justice Laws Website, current to 2026-09-21, last amended 2026-06-04 · source sha256 0a60e10f783f7aca672792303dffcca1525133eb34eb32711543cb3cf4bbb955 — no row here

Read from public law and public agency files. A row missing here is missing from our sources, not from the law of the place. Check the cited source before relying on a value.