Vancouver Air Quality in November
Across 2019–2025, Vancouver's November air quality had a median AQI of 54 (Moderate) over 210 monitored days in the Portland-Vancouver-Hillsboro, OR-WA area. 1.0% of November days (2 of 210) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 85.7% of days. The cleanest November on record here was 2021 (median AQI 42, 0 days above 100) and the worst was 2022 (median 62, 1 day above 100, peak AQI 108).
- Good: 36.2%
- Moderate: 62.9%
- Unhealthy for Sensitive Groups: 1.0%
- Unhealthy or worse: 0.0%
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How is the air in Vancouver in November?
Moderate on a typical day: median AQI 54 across 2019–2025, with 1.0% of November days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓36.2% of November days were Good (AQI 0–50), 62.9% Moderate (51–100).
- ✓2 days of 210 reached AQI 101+; the November peak was 127.
- ✓Best November: 2021; worst November: 2022.
Frequently asked questions
What is the air quality like in Vancouver in November?▾
Across 2019–2025, the median daily AQI in Vancouver in November was 54 (Moderate). 36.2% of days were Good, 62.9% Moderate, and 1.0% reached Unhealthy for Sensitive Groups or worse, based on 210 monitored days in EPA's Air Quality System.
Is November a good time for outdoor exercise in Vancouver?▾
A typical November day in Vancouver is Moderate (median AQI 54): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 100 of November days (1.0%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
Which pollutant causes Vancouver's November air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 85.7% of November days in Vancouver. The highest November AQI recorded in 2019–2025 was 127 (Unhealthy for Sensitive Groups), in 2022.
Vancouver November air quality, year by year
Vancouver November air quality by year (Portland-Vancouver-Hillsboro, OR-WA, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 30 | 64 | 0 | 94 | PM2.5 |
| 2020 | 30 | 55 | 0 | 91 | PM2.5 |
| 2021cleanest | 30 | 42 | 0 | 77 | PM2.5 |
| 2022worst | 30 | 62 | 1 | 108 | PM2.5 |
| 2023 | 30 | 58 | 0 | 85 | PM2.5 |
| 2024 | 30 | 47 | 1 | 127 | PM2.5 |
| 2025 | 30 | 53 | 0 | 78 | PM2.5 |
What November air means in Vancouver
A typical November day in Vancouver is Moderate (median AQI 54): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 100 of November days (1.0%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
November's median AQI of 54 is above Vancouver's whole-year median of 41, making it one of the area's dirtier periods. Nationally, the median November AQI across every EPA metro area (92,704 metro-days, 2019–2025) is 39, so Vancouver runs above the national November norm; 1.0% of its November days topped AQI 100 versus 0.6% nationally (about the same).
November is part of Vancouver's fall season (September, October, November); the fall page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Vancouver
The latest EPA AirNow observation puts Vancouver's AQI at 28 (PM2.5). The figures above are multi-year month statistics, not today's reading.
View current Vancouver air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Portland-Vancouver-Hillsboro, OR-WA), 2019–2025. Daily AQI per CBSA is the highest AQI reported by any monitor in the area that day; the defining parameter is the pollutant that set it. Month and season statistics pool every such day in the period across all years listed. Retrieved 2026-09-09.