Fargo Air Quality in August
Across 2019–2025, Fargo's August air quality had a median AQI of 41 (Good) over 217 monitored days in the Fargo, ND-MN area. 4.6% of August days (10 of 217) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 76.0% of days. The cleanest August on record here was 2020 (median AQI 35, 0 days above 100) and the worst was 2021 (median 48, 5 days above 100, peak AQI 161).
- Good: 68.2%
- Moderate: 27.2%
- Unhealthy for Sensitive Groups: 3.7%
- Unhealthy or worse: 0.9%
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How is the air in Fargo in August?
Good on a typical day: median AQI 41 across 2019–2025, with 4.6% of August days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓68.2% of August days were Good (AQI 0–50), 27.2% Moderate (51–100).
- ✓10 days of 217 reached AQI 101+; the August peak was 161.
- ✓Best August: 2020; worst August: 2021.
Frequently asked questions
What is the air quality like in Fargo in August?▾
Across 2019–2025, the median daily AQI in Fargo in August was 41 (Good). 68.2% of days were Good, 27.2% Moderate, and 4.6% reached Unhealthy for Sensitive Groups or worse, based on 217 monitored days in EPA's Air Quality System.
Is August a good time for outdoor exercise in Fargo?▾
A typical August day in Fargo sits in the Good range (median AQI 41), so running, cycling and children's outdoor play are fine for everyone on most days; about 1 day in 22 of August days (4.6%) reached AQI 101+ in 2019–2025.
Which pollutant causes Fargo's August air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 76.0% of August days in Fargo. The highest August AQI recorded in 2019–2025 was 161 (Unhealthy), in 2021.
Fargo August air quality, year by year
Fargo August air quality by year (Fargo, ND-MN, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 31 | 36 | 0 | 52 | PM2.5 |
| 2020cleanest | 31 | 35 | 0 | 58 | PM2.5 |
| 2021worst | 31 | 48 | 5 | 161 | PM2.5 |
| 2022 | 31 | 39 | 0 | 63 | PM2.5 |
| 2023 | 31 | 54 | 2 | 118 | PM2.5 |
| 2024 | 31 | 49 | 0 | 87 | PM2.5 |
| 2025 | 31 | 38 | 3 | 152 | PM2.5 |
What August air means in Fargo
A typical August day in Fargo sits in the Good range (median AQI 41), so running, cycling and children's outdoor play are fine for everyone on most days; about 1 day in 22 of August days (4.6%) reached AQI 101+ in 2019–2025.
August's median AQI of 41 is in line with Fargo's whole-year median of 38, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median August AQI across every EPA metro area (104,152 metro-days, 2019–2025) is 45, so Fargo runs below the national August norm; 4.6% of its August days topped AQI 100 versus 3.5% nationally (above average).
August is part of Fargo's summer season (June, July, August); the summer page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Fargo
The latest EPA AirNow observation puts Fargo's AQI at 24 (PM2.5). The figures above are multi-year month statistics, not today's reading.
View current Fargo air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Fargo, ND-MN), 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.