Flint Air Quality in 2020
In 2020, Flint's air quality (Flint, MI area) had a median daily AQI of 39 (Good) across 366 monitored days. 1 day (0.3%) reached Unhealthy for Sensitive Groups or worse, 288 were Good, and the year's peak AQI was 126 (Unhealthy for Sensitive Groups). Ground-level ozone set the daily AQI on 190 of those days. The cleanest month of 2020 was January (median AQI 30, 0 days above 100) and the worst was June (median 46, 1 day above 100, peak 126).
- Good: 78.7%
- Moderate: 21.0%
- Unhealthy for Sensitive Groups: 0.3%
- Unhealthy or worse: 0.0%
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How was Flint's air quality in 2020?
Good on a typical day: median AQI 39, with 1 day above AQI 100 out of 366 monitored — the 2nd cleanest of 7 years on record for the area.
- ✓Peak AQI in 2020: 126 (Unhealthy for Sensitive Groups).
- ✓Ground-level ozone was the main pollutant on 190 days.
- ✓Cleanest month: January; worst: June.
Frequently asked questions
What was the average AQI in Flint in 2020?▾
EPA's Air Quality System puts Flint's (Flint, MI) median daily AQI for 2020 at 39, which is Good. 1 day 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 2020?▾
The cleanest month of 2020 was January (median AQI 30, 0 days above 100) and the worst was June (median 46, 1 day above 100, peak 126).
Was 2020 a good or bad year for Flint's air?▾
Among the 7 years EPA has published for the area (2019–2025), 2020 ranks 2nd cleanest by days above AQI 100. 2020's median of 39 is below the area's typical annual median of 42.
Flint month by month in 2020
Flint air quality month by month, 2020 (Flint, MI, EPA AQS daily AQI)
| Month | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| Januarycleanest | 31 | 30 | 0 | 63 | PM2.5 |
| February | 29 | 38 | 0 | 62 | PM2.5 |
| March | 31 | 37 | 0 | 57 | O3 |
| April | 30 | 40 | 0 | 53 | O3 |
| May | 31 | 41 | 0 | 61 | O3 |
| Juneworst | 30 | 46 | 1 | 126 | O3 |
| July | 31 | 42 | 0 | 96 | O3 |
| August | 31 | 42 | 0 | 97 | O3 |
| September | 30 | 32 | 0 | 71 | O3 |
| October | 31 | 31 | 0 | 57 | O3 |
| November | 30 | 33 | 0 | 65 | PM2.5 |
| December | 31 | 36 | 0 | 75 | PM2.5 |
How 2020 compares
Among the 7 years EPA has published for the area (2019–2025), 2020 ranks 2nd cleanest by days above AQI 100.
2020's median of 39 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 31 (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.