Spokane Air Quality in November
Across 2019–2025, Spokane's November air quality had a median AQI of 59 (Moderate) over 210 monitored days in the Spokane-Spokane Valley, WA area. 1.4% of November days (3 of 210) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 99.5% of days. The cleanest November on record here was 2020 (median AQI 56, 0 days above 100) and the worst was 2022 (median 66, 2 days above 100, peak AQI 147).
- Good: 23.3%
- Moderate: 75.2%
- Unhealthy for Sensitive Groups: 1.4%
- Unhealthy or worse: 0.0%
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How is the air in Spokane in November?
Moderate on a typical day: median AQI 59 across 2019–2025, with 1.4% of November days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓23.3% of November days were Good (AQI 0–50), 75.2% Moderate (51–100).
- ✓3 days of 210 reached AQI 101+; the November peak was 147.
- ✓Best November: 2020; worst November: 2022.
Frequently asked questions
What is the air quality like in Spokane in November?▾
Across 2019–2025, the median daily AQI in Spokane in November was 59 (Moderate). 23.3% of days were Good, 75.2% Moderate, and 1.4% 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 Spokane?▾
A typical November day in Spokane is Moderate (median AQI 59): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 71 of November days (1.4%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
Which pollutant causes Spokane's November air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 99.5% of November days in Spokane. The highest November AQI recorded in 2019–2025 was 147 (Unhealthy for Sensitive Groups), in 2022.
Spokane November air quality, year by year
Spokane November air quality by year (Spokane-Spokane Valley, WA, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 30 | 67 | 0 | 85 | PM2.5 |
| 2020cleanest | 30 | 56 | 0 | 92 | PM2.5 |
| 2021 | 30 | 56 | 0 | 86 | PM2.5 |
| 2022worst | 30 | 66 | 2 | 147 | PM2.5 |
| 2023 | 30 | 64 | 0 | 89 | PM2.5 |
| 2024 | 30 | 52 | 1 | 106 | PM2.5 |
| 2025 | 30 | 57 | 0 | 76 | PM2.5 |
What November air means in Spokane
A typical November day in Spokane is Moderate (median AQI 59): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 71 of November days (1.4%) 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 59 is above Spokane's whole-year median of 47, 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 Spokane runs above the national November norm; 1.4% of its November days topped AQI 100 versus 0.6% nationally (about the same).
November is part of Spokane's fall season (September, October, November); the fall page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Spokane
The latest EPA AirNow observation puts Spokane's AQI at 26 (PM2.5). The figures above are multi-year month statistics, not today's reading.
View current Spokane air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Spokane-Spokane Valley, 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.