Anchorage Air Quality in November
Across 2019–2025, Anchorage's November air quality had a median AQI of 41 (Good) over 210 monitored days in the Anchorage, AK area. 0.0% of November days (0 of 210) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 91.4% of days. The cleanest November on record here was 2019 (median AQI 25, 0 days above 100) and the worst was 2025 (median 53, 0 days above 100, peak AQI 71).
- Good: 59.5%
- Moderate: 40.5%
- Unhealthy for Sensitive Groups: 0.0%
- Unhealthy or worse: 0.0%
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How is the air in Anchorage in November?
Good on a typical day: median AQI 41 across 2019–2025, with 0.0% of November days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓59.5% of November days were Good (AQI 0–50), 40.5% Moderate (51–100).
- ✓0 days of 210 reached AQI 101+; the November peak was 90.
- ✓Best November: 2019; worst November: 2025.
Frequently asked questions
What is the air quality like in Anchorage in November?▾
Across 2019–2025, the median daily AQI in Anchorage in November was 41 (Good). 59.5% of days were Good, 40.5% Moderate, and 0.0% 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 Anchorage?▾
A typical November day in Anchorage sits in the Good range (median AQI 41), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of November days reached AQI 101+ in 2019–2025.
Which pollutant causes Anchorage's November air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 91.4% of November days in Anchorage. The highest November AQI recorded in 2019–2025 was 90 (Moderate), in 2025.
Anchorage November air quality, year by year
Anchorage November air quality by year (Anchorage, AK, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019cleanest | 30 | 25 | 0 | 75 | PM2.5 |
| 2020 | 30 | 49 | 0 | 81 | PM2.5 |
| 2021 | 30 | 53 | 0 | 76 | PM2.5 |
| 2022 | 30 | 35 | 0 | 77 | PM2.5 |
| 2023 | 30 | 34 | 0 | 83 | PM2.5 |
| 2024 | 30 | 48 | 0 | 90 | PM2.5 |
| 2025worst | 30 | 53 | 0 | 71 | PM2.5 |
What November air means in Anchorage
A typical November day in Anchorage sits in the Good range (median AQI 41), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of November days reached AQI 101+ in 2019–2025.
November's median AQI of 41 is above Anchorage's whole-year median of 27, 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 Anchorage runs in line with the national November norm; 0.0% of its November days topped AQI 100 versus 0.6% nationally (about the same).
November is part of Anchorage's fall season (September, October, November); the fall page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Anchorage
The latest EPA AirNow observation puts Anchorage's AQI at 18 (PM10). The figures above are multi-year month statistics, not today's reading.
View current Anchorage air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Anchorage, AK), 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.