Flint Air Quality in 2025
In 2025, Flint's air quality (Flint, MI area) had a median daily AQI of 38 (Good) across 303 monitored days. 3 days (1.0%) reached Unhealthy for Sensitive Groups or worse, 252 were Good, and the year's peak AQI was 126 (Unhealthy for Sensitive Groups). Ground-level ozone set the daily AQI on 220 of those days. The cleanest month of 2025 was January (median AQI 28, 0 days above 100) and the worst was June (median 47, 1 day above 100, peak 126).
- Good: 83.2%
- Moderate: 15.8%
- Unhealthy for Sensitive Groups: 1.0%
- Unhealthy or worse: 0.0%
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How was Flint's air quality in 2025?
Good on a typical day: median AQI 38, with 3 days above AQI 100 out of 303 monitored — the 5th cleanest of 7 years on record for the area.
- ✓Peak AQI in 2025: 126 (Unhealthy for Sensitive Groups).
- ✓Ground-level ozone was the main pollutant on 220 days.
- ✓Cleanest month: January; worst: June.
Frequently asked questions
What was the average AQI in Flint in 2025?▾
EPA's Air Quality System puts Flint's (Flint, MI) median daily AQI for 2025 at 38, which is Good. 3 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 126.
Which month had the worst air quality in Flint in 2025?▾
The cleanest month of 2025 was January (median AQI 28, 0 days above 100) and the worst was June (median 47, 1 day above 100, peak 126).
Was 2025 a good or bad year for Flint's air?▾
Among the 7 years EPA has published for the area (2019–2025), 2025 ranks 5th cleanest by days above AQI 100. 2025's median of 38 is below the area's typical annual median of 42.
Flint month by month in 2025
Flint air quality month by month, 2025 (Flint, MI, EPA AQS daily AQI)
| Month | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| Januarycleanest | 31 | 28 | 0 | 65 | PM2.5 |
| February | 28 | 37 | 0 | 60 | PM2.5 |
| March | 31 | 38 | 0 | 54 | O3 |
| April | 30 | 44 | 0 | 87 | O3 |
| May | 31 | 36 | 1 | 105 | O3 |
| Juneworst | 30 | 47 | 1 | 126 | O3 |
| July | 31 | 39 | 1 | 105 | O3 |
| August | 30 | 32 | 0 | 61 | O3 |
| September | 30 | 38 | 0 | 54 | O3 |
| October | 31 | 28 | 0 | 74 | O3 |
How 2025 compares
Among the 7 years EPA has published for the area (2019–2025), 2025 ranks 5th cleanest by days above AQI 100.
2025's median of 38 is below the area's typical annual median of 42.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Flint
The latest EPA AirNow observation puts Flint's AQI at 20 (PM2.5). The figures above are multi-year annual statistics, not today's reading.
View current Flint air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Flint, MI), 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.