SmogRank / Canada / Saskatchewan / Prince Albert
Prince Albert, month by month
Prince Albert has a measured daily mean on 1,170 days since 26 April 2023. Its worst month was July 2025, at 127 US AQI (46.1 µg/m³), 40th of 2,889 cities on that month's world ranking. Its cleanest was January 2025, at 21 US AQI (3.7 µg/m³). 2025 averaged 59 US AQI (13.6 µg/m³), against 55 US AQI (11.0 µg/m³) in 2024.
Every month since 2023
The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales
Months without a mean, and why
4 months
| Month | Why |
|---|---|
| Sep 2026 | 17 of 30 days measured; a month needs 21. The others: 11 with no readings from the monitor, 2 with readings for part of the day (a day needs 18 hours). |
| Aug 2024 | 21 of 31 days measured; a month needs 22. The others: 10 with under 18 hours of readings or readings that failed our checks. |
| Jul 2023 | 19 of 31 days measured; a month needs 22. The others: 1 missing from OpenAQ's archive, 11 with under 18 hours of readings or readings that failed our checks. |
| Apr 2023 | 5 of 30 days measured; a month needs 21. |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
Prince Albert's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| July 2025 | 12746.1 µg/m³ | 40thof 2,889 | North-western Canada and United States, 19 to 22 July 2025 North-western Canada and United States, 14 to 17 July 2025 |
| September 2023 | 12444.7 µg/m³ | 10thof 2,176 | Alberta, Saskatchewan and British Columbia, Canada, September 2023 Alberta, British Columbia and Saskatchewan, Canada, September 2023and 2 more |
| July 2024 | 10236.0 µg/m³ | 48thof 2,566 | North-western United States and Canada, July 2024 Alberta, Saskatchewan and Manitoba, Canada, July 2024 |
| May 2023 | 9432.2 µg/m³ | 54thof 1,600 | North-western United States and Canada, May 2023 North-western Canada and United States, May 2023and 1 more |
| August 2023 | 8728.3 µg/m³ | 61stof 1,980 | Northern United States and Canada, August and September 2023 North-western United States and Canada, August 2023 |
| June 2025 | 8728.2 µg/m³ | 135thof 2,508 | North-western Canada and United States, June 2025 Alberta, Saskatchewan and Manitoba, Canada, May and June 2025 |
Monthly means over the days measured; finished months only. World rank: its place on that month's world ranking of every city with enough days. Each month opens that ranking.
Prince Albert's worst days
| Day | US AQI | Episode |
|---|---|---|
| 3 Sept 2023 | 500+354.0 µg/m³ | Northern United States and Canada, August and September 2023 |
| 5 Jun 2025 | 348249.0 µg/m³ | – |
| 16 May 2023 | 304227.0 µg/m³ | Northern United States and Canada, May 2023 |
| 21 Jul 2025 | 279204.0 µg/m³ | North-western Canada and United States, 19 to 22 July 2025 |
| 21 Jul 2024 | 278203.0 µg/m³ | North-western United States and Canada, July 2024 |
| 11 Jul 2025 | 260185.0 µg/m³ | – |
| 4 Sept 2023 | 246171.0 µg/m³ | Northern United States and Canada, August and September 2023 |
| 13 Jun 2023 | 226151.0 µg/m³ | Alberta, Saskatchewan and British Columbia, Canada, June 2023 |
| 30 May 2025 | 214139.0 µg/m³ | Alberta, Saskatchewan and Manitoba, Canada, May and June 2025 |
| 17 May 2023 | 209134.0 µg/m³ | Northern United States and Canada, May 2023 |
Daily means, the highest since 26 Apr 2023; the WHO's daily guideline is 15 µg/m³. Each date opens that day's world ranking, and each episode the bad-air spell it was part of.
Use this history
SmogRank, PM2.5 monthly and daily means, Prince Albert, Canada, 26 Apr 2023 – 10 Oct 2026. Monitor data from AirNow, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/ca/prince-albert/history (accessed 12 Oct 2026).
You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.
Prince Albert now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 20:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index. Some low-cost readings: Sensor.Community, ODbL (data and licence). Some readings: Uzhydromet (Uzbekistan's Hydrometeorological Service); Department of Environment, Nepal; Vietnam's government monitors; Aurassure; Umhverfisstofnun (Environment Agency of Iceland); RMCAB (Secretaría Distrital de Ambiente, Bogotá); Love My Air (City and County of Denver), no reuse terms published (why we use them).