Flint Air Quality in July

Across 2019–2025, Flint's July air quality had a median AQI of 44 (Good) over 217 monitored days in the Flint, MI area. 1.4% of July days (3 of 217) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 59.9% of days. The cleanest July on record here was 2020 (median AQI 42, 0 days above 100) and the worst was 2024 (median 48, 1 day above 100, peak AQI 119).

44
Median AQI
Good
1.4%
Days above AQI 100
3 of 217 days
66
90th percentile AQI
worst 1 day in 10
119
Peak AQI
Unhealthy for Sensitive Groups
O3
Main pollutant
59.9% of days
63.6%
Good days
138 of 217
  • Good: 63.6%
  • Moderate: 35.0%
  • Unhealthy for Sensitive Groups: 1.4%
  • Unhealthy or worse: 0.0%

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QUICK ANSWER

How is the air in Flint in July?

Good on a typical day: median AQI 44 across 2019–2025, with 1.4% of July days above AQI 100. Ground-level ozone is the main driver.

  • 63.6% of July days were Good (AQI 0–50), 35.0% Moderate (51–100).
  • 3 days of 217 reached AQI 101+; the July peak was 119.
  • Best July: 2020; worst July: 2024.

Frequently asked questions

What is the air quality like in Flint in July?

Across 2019–2025, the median daily AQI in Flint in July was 44 (Good). 63.6% of days were Good, 35.0% Moderate, and 1.4% reached Unhealthy for Sensitive Groups or worse, based on 217 monitored days in EPA's Air Quality System.

Is July a good time for outdoor exercise in Flint?

A typical July day in Flint sits in the Good range (median AQI 44), so running, cycling and children's outdoor play are fine for everyone on most days; about 1 day in 71 of July days (1.4%) reached AQI 101+ in 2019–2025.

Which pollutant causes Flint's July air quality problems?

Ground-level ozone set the daily AQI on 59.9% of July days in Flint. The highest July AQI recorded in 2019–2025 was 119 (Unhealthy for Sensitive Groups), in 2024.

Flint July air quality, year by year

Flint July air quality by year (Flint, MI, EPA AQS daily AQI)

YearDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
20193152074PM2.5
2020cleanest3142096O3
20213150088PM2.5
20223144074O3
202331451103O3
2024worst31481119PM2.5
202531391105O3

What July air means in Flint

A typical July day in Flint sits in the Good range (median AQI 44), so running, cycling and children's outdoor play are fine for everyone on most days; about 1 day in 71 of July days (1.4%) reached AQI 101+ in 2019–2025.

July's median AQI of 44 is in line with Flint's whole-year median of 42, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median July AQI across every EPA metro area (103,858 metro-days, 2019–2025) is 47, so Flint runs in line with the national July norm; 1.4% of its July days topped AQI 100 versus 3.6% nationally (below average).

July is part of Flint's summer season (June, July, August); the summer page pools all three months.

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 month 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.