Fort Wayne Air Quality in January
Across 2019–2025, Fort Wayne's January air quality had a median AQI of 51 (Moderate) over 217 monitored days in the Fort Wayne, IN area. 0.5% of January days (1 of 217) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 89.9% of days. The cleanest January on record here was 2025 (median AQI 39, 0 days above 100) and the worst was 2022 (median 52, 1 day above 100, peak AQI 109).
- Good: 47.0%
- Moderate: 52.5%
- Unhealthy for Sensitive Groups: 0.5%
- Unhealthy or worse: 0.0%
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How is the air in Fort Wayne in January?
Moderate on a typical day: median AQI 51 across 2019–2025, with 0.5% of January days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓47.0% of January days were Good (AQI 0–50), 52.5% Moderate (51–100).
- ✓1 day of 217 reached AQI 101+; the January peak was 109.
- ✓Best January: 2025; worst January: 2022.
Frequently asked questions
What is the air quality like in Fort Wayne in January?▾
Across 2019–2025, the median daily AQI in Fort Wayne in January was 51 (Moderate). 47.0% of days were Good, 52.5% Moderate, and 0.5% reached Unhealthy for Sensitive Groups or worse, based on 217 monitored days in EPA's Air Quality System.
Is January a good time for outdoor exercise in Fort Wayne?▾
A typical January day in Fort Wayne is Moderate (median AQI 51): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and fewer than 1% of January days reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
Which pollutant causes Fort Wayne's January air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 89.9% of January days in Fort Wayne. The highest January AQI recorded in 2019–2025 was 109 (Unhealthy for Sensitive Groups), in 2022.
Fort Wayne January air quality, year by year
Fort Wayne January air quality by year (Fort Wayne, IN, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 31 | 52 | 0 | 72 | PM2.5 |
| 2020 | 31 | 53 | 0 | 64 | PM2.5 |
| 2021 | 31 | 49 | 0 | 65 | PM2.5 |
| 2022worst | 31 | 52 | 1 | 109 | PM2.5 |
| 2023 | 31 | 56 | 0 | 82 | PM2.5 |
| 2024 | 31 | 43 | 0 | 68 | PM2.5 |
| 2025cleanest | 31 | 39 | 0 | 78 | PM2.5 |
What January air means in Fort Wayne
A typical January day in Fort Wayne is Moderate (median AQI 51): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and fewer than 1% of January days reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
January's median AQI of 51 is in line with Fort Wayne's whole-year median of 49, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median January AQI across every EPA metro area (95,602 metro-days, 2019–2025) is 39, so Fort Wayne runs above the national January norm; 0.5% of its January days topped AQI 100 versus 0.7% nationally (about the same).
January is part of Fort Wayne's winter season (December, January, February); the winter page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Fort Wayne
The latest EPA AirNow observation puts Fort Wayne's AQI at 27 (PM2.5). The figures above are multi-year month statistics, not today's reading.
View current Fort Wayne air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Fort Wayne, IN), 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.