Fort Wayne Air Quality in March
Across 2019–2025, Fort Wayne's March air quality had a median AQI of 45 (Good) over 217 monitored days in the Fort Wayne, IN area. 0.0% of March days (0 of 217) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 61.8% of days. The cleanest March on record here was 2025 (median AQI 41, 0 days above 100) and the worst was 2019 (median 56, 0 days above 100, peak AQI 75).
- Good: 62.7%
- Moderate: 37.3%
- Unhealthy for Sensitive Groups: 0.0%
- Unhealthy or worse: 0.0%
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How is the air in Fort Wayne in March?
Good on a typical day: median AQI 45 across 2019–2025, with 0.0% of March days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓62.7% of March days were Good (AQI 0–50), 37.3% Moderate (51–100).
- ✓0 days of 217 reached AQI 101+; the March peak was 76.
- ✓Best March: 2025; worst March: 2019.
Frequently asked questions
What is the air quality like in Fort Wayne in March?▾
Across 2019–2025, the median daily AQI in Fort Wayne in March was 45 (Good). 62.7% of days were Good, 37.3% Moderate, and 0.0% reached Unhealthy for Sensitive Groups or worse, based on 217 monitored days in EPA's Air Quality System.
Is March a good time for outdoor exercise in Fort Wayne?▾
A typical March day in Fort Wayne sits in the Good range (median AQI 45), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of March days reached AQI 101+ in 2019–2025.
Which pollutant causes Fort Wayne's March air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 61.8% of March days in Fort Wayne. The highest March AQI recorded in 2019–2025 was 76 (Moderate), in 2019.
Fort Wayne March air quality, year by year
Fort Wayne March air quality by year (Fort Wayne, IN, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019worst | 31 | 56 | 0 | 75 | PM2.5 |
| 2020 | 31 | 48 | 0 | 61 | PM2.5 |
| 2021 | 31 | 44 | 0 | 70 | PM2.5 |
| 2022 | 31 | 44 | 0 | 75 | PM2.5 |
| 2023 | 31 | 49 | 0 | 67 | PM2.5 |
| 2024 | 31 | 42 | 0 | 76 | PM2.5 |
| 2025cleanest | 31 | 41 | 0 | 59 | O3 |
What March air means in Fort Wayne
A typical March day in Fort Wayne sits in the Good range (median AQI 45), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of March days reached AQI 101+ in 2019–2025.
March's median AQI of 45 is below Fort Wayne's whole-year median of 49, making it one of the area's cleaner periods. Nationally, the median March AQI across every EPA metro area (102,455 metro-days, 2019–2025) is 42, so Fort Wayne runs in line with the national March norm; 0.0% of its March days topped AQI 100 versus 0.4% nationally (about the same).
March is part of Fort Wayne's spring season (March, April, May); the spring 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.