Fort Wayne Air Quality in Summer
Across 2019–2025, Fort Wayne's summer (June–August) air quality had a median AQI of 53 (Moderate) over 644 monitored days in the Fort Wayne, IN area. 2.7% of summer days (17 of 644) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 52.8% of days. The cleanest summer on record here was 2019 (median AQI 50, 0 days above 100) and the worst was 2023 (median 58, 10 days above 100, peak AQI 223).
- Good: 40.4%
- Moderate: 57.0%
- Unhealthy for Sensitive Groups: 2.2%
- Unhealthy or worse: 0.5%
Improve Indoor Air Quality
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How is the air in Fort Wayne in summer?
Moderate on a typical day: median AQI 53 across 2019–2025, with 2.7% of summer days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓40.4% of summer days were Good (AQI 0–50), 57.0% Moderate (51–100).
- ✓17 days of 644 reached AQI 101+; the summer peak was 223.
- ✓Cleanest month: August; worst month: June.
Frequently asked questions
What is the air quality like in Fort Wayne in summer?▾
Across 2019–2025, the median daily AQI in Fort Wayne in summer was 53 (Moderate). 40.4% of days were Good, 57.0% Moderate, and 2.7% reached Unhealthy for Sensitive Groups or worse, based on 644 monitored days in EPA's Air Quality System.
Is summer a good time for outdoor exercise in Fort Wayne?▾
A typical summer day in Fort Wayne is Moderate (median AQI 53): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 37 of summer days (2.7%) 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 summer air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 52.8% of summer days in Fort Wayne. The highest summer AQI recorded in 2019–2025 was 223 (Very Unhealthy), in 2023.
Fort Wayne summer air quality, year by year
Fort Wayne summer air quality by year (Fort Wayne, IN, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019cleanest | 92 | 50 | 0 | 97 | O3 |
| 2020 | 92 | 55 | 2 | 120 | PM2.5 |
| 2021 | 92 | 55 | 0 | 100 | PM2.5 |
| 2022 | 92 | 49 | 2 | 115 | O3 |
| 2023worst | 92 | 58 | 10 | 223 | PM2.5 |
| 2024 | 92 | 50 | 0 | 100 | O3 |
| 2025 | 92 | 55 | 3 | 115 | PM2.5 |
What summer air means in Fort Wayne
A typical summer day in Fort Wayne is Moderate (median AQI 53): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 37 of summer days (2.7%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
Summer's median AQI of 53 is above Fort Wayne's whole-year median of 49, making it one of the area's dirtier periods. Nationally, the median Summer AQI across every EPA metro area (308,645 metro-days, 2019–2025) is 46, so Fort Wayne runs above the national Summer norm; 2.7% of its Summer days topped AQI 100 versus 3.6% nationally (about the same).
Within the season, August is the cleanest month (median AQI 51, 0.5% of days above 100) and June the worst (median 54, 4.7% above 100).
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 season 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.