SmogRank / Canada / British Columbia / Vernon
Vernon, month by month
Vernon has a measured daily mean on 1,245 days since 1 January 2023. Its worst month was August 2023, at 117 US AQI (42.2 µg/m³), 27th of 1,980 cities on that month's world ranking. Its cleanest was June 2026, at 22 US AQI (3.9 µg/m³). 2025 averaged 41 US AQI (7.4 µg/m³), against 39 US AQI (7.1 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
3 months
| Month | Why |
|---|---|
| Jan 2026 | 11 of 31 days measured; a month needs 22. The others: 20 with under 18 hours of readings or readings that failed our checks. |
| Mar 2023 | 11 of 31 days measured; a month needs 22. The others: 20 missing from OpenAQ's archive. |
| Feb 2023 | 1 of 28 days measured; a month needs 20. The others: 25 missing from OpenAQ's archive, 2 with under 18 hours of readings or readings that failed our checks. |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
Vernon's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| August 2023 | 11742.2 µg/m³ | 27thof 1,980 | Northern United States and Canada, August and September 2023 North-western United States and Canada, August 2023 |
| August 2026 | 10537.1 µg/m³ | 60thof 2,896 | North-western United States and Canada, 4 to 22 August 2026 North-western United States and Canada, July and August 2026 |
| September 2025 | 6315.6 µg/m³ | 323rdof 3,104 | North-western Canada and United States, September 2025 North-western United States and Canada, August and September 2025 |
| July 2026 | 6215.0 µg/m³ | 516thof 2,784 | North-western United States and Canada, July and August 2026 |
| November 2023 | 5612.0 µg/m³ | 293rdof 2,243 | – |
| September 2023 | 5310.1 µg/m³ | 579thof 2,176 | Northern United States and Canada, August and September 2023 |
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.
Vernon's worst days
| Day | US AQI | Episode |
|---|---|---|
| 20 Aug 2023 | 276201.0 µg/m³ | North-western United States and Canada, August 2023 |
| 19 Aug 2023 | 233158.0 µg/m³ | North-western United States and Canada, August 2023 |
| 10 Aug 2026 | 217142.0 µg/m³ | North-western United States and Canada, 4 to 22 August 2026 |
| 21 Aug 2023 | 199124.0 µg/m³ | North-western United States and Canada, August 2023 |
| 6 Aug 2026 | 198122.0 µg/m³ | North-western United States and Canada, 4 to 22 August 2026 |
| 11 Aug 2026 | 195118.0 µg/m³ | North-western United States and Canada, 4 to 22 August 2026 |
| 7 Aug 2026 | 184102.0 µg/m³ | North-western United States and Canada, 4 to 22 August 2026 |
| 9 Aug 2026 | 184102.0 µg/m³ | North-western United States and Canada, 4 to 22 August 2026 |
| 17 Aug 2023 | 17793.1 µg/m³ | North-western United States and Canada, August 2023 |
| 5 Aug 2023 | 17285.7 µg/m³ | – |
Daily means, the highest since 1 Jan 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, Vernon, Canada, 1 Jan 2023 – 11 Oct 2026. Monitor data from AirNow, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/ca/vernon/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.
Vernon now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 18:07 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).