Anchorage Air Quality in February
Across 2019–2025, Anchorage's February air quality had a median AQI of 33 (Good) over 198 monitored days in the Anchorage, AK area. 0.0% of February days (0 of 198) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 96.5% of days. The cleanest February on record here was 2024 (median AQI 23, 0 days above 100) and the worst was 2019 (median 56, 0 days above 100, peak AQI 74).
- Good: 72.2%
- Moderate: 27.8%
- Unhealthy for Sensitive Groups: 0.0%
- Unhealthy or worse: 0.0%
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How is the air in Anchorage in February?
Good on a typical day: median AQI 33 across 2019–2025, with 0.0% of February days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓72.2% of February days were Good (AQI 0–50), 27.8% Moderate (51–100).
- ✓0 days of 198 reached AQI 101+; the February peak was 77.
- ✓Best February: 2024; worst February: 2019.
Frequently asked questions
What is the air quality like in Anchorage in February?▾
Across 2019–2025, the median daily AQI in Anchorage in February was 33 (Good). 72.2% of days were Good, 27.8% Moderate, and 0.0% reached Unhealthy for Sensitive Groups or worse, based on 198 monitored days in EPA's Air Quality System.
Is February a good time for outdoor exercise in Anchorage?▾
A typical February day in Anchorage sits in the Good range (median AQI 33), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of February days reached AQI 101+ in 2019–2025.
Which pollutant causes Anchorage's February air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 96.5% of February days in Anchorage. The highest February AQI recorded in 2019–2025 was 77 (Moderate), in 2019.
Anchorage February air quality, year by year
Anchorage February air quality by year (Anchorage, AK, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019worst | 28 | 56 | 0 | 74 | PM2.5 |
| 2020 | 29 | 33 | 0 | 59 | PM2.5 |
| 2021 | 28 | 41 | 0 | 74 | PM2.5 |
| 2022 | 28 | 28 | 0 | 53 | PM2.5 |
| 2023 | 28 | 26 | 0 | 58 | PM2.5 |
| 2024cleanest | 29 | 23 | 0 | 64 | PM2.5 |
| 2025 | 28 | 47 | 0 | 77 | PM2.5 |
What February air means in Anchorage
A typical February day in Anchorage sits in the Good range (median AQI 33), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of February days reached AQI 101+ in 2019–2025.
February's median AQI of 33 is above Anchorage's whole-year median of 27, making it one of the area's dirtier periods. Nationally, the median February AQI across every EPA metro area (87,428 metro-days, 2019–2025) is 41, so Anchorage runs below the national February norm; 0.0% of its February days topped AQI 100 versus 0.4% nationally (about the same).
February is part of Anchorage's winter season (December, January, February); the winter 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.