Fargo Air Quality in March
Across 2019–2025, Fargo's March air quality had a median AQI of 39 (Good) over 215 monitored days in the Fargo, ND-MN area. 0.0% of March days (0 of 215) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 58.1% of days. The cleanest March on record here was 2020 (median AQI 34, 0 days above 100) and the worst was 2023 (median 49, 0 days above 100, peak AQI 72).
- Good: 80.0%
- Moderate: 20.0%
- Unhealthy for Sensitive Groups: 0.0%
- Unhealthy or worse: 0.0%
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How is the air in Fargo in March?
Good on a typical day: median AQI 39 across 2019–2025, with 0.0% of March days above AQI 100. Ground-level ozone is the main driver.
- ✓80.0% of March days were Good (AQI 0–50), 20.0% Moderate (51–100).
- ✓0 days of 215 reached AQI 101+; the March peak was 77.
- ✓Best March: 2020; worst March: 2023.
Frequently asked questions
What is the air quality like in Fargo in March?▾
Across 2019–2025, the median daily AQI in Fargo in March was 39 (Good). 80.0% of days were Good, 20.0% Moderate, and 0.0% reached Unhealthy for Sensitive Groups or worse, based on 215 monitored days in EPA's Air Quality System.
Is March a good time for outdoor exercise in Fargo?▾
A typical March day in Fargo sits in the Good range (median AQI 39), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of March days reached AQI 101+ in 2019–2025.
Which pollutant causes Fargo's March air quality problems?▾
Ground-level ozone set the daily AQI on 58.1% of March days in Fargo. The highest March AQI recorded in 2019–2025 was 77 (Moderate), in 2023.
Fargo March air quality, year by year
Fargo March 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 | 47 | 0 | 77 | O3 |
| 2020cleanest | 29 | 34 | 0 | 48 | O3 |
| 2021 | 31 | 38 | 0 | 58 | PM2.5 |
| 2022 | 31 | 38 | 0 | 52 | O3 |
| 2023worst | 31 | 49 | 0 | 72 | PM2.5 |
| 2024 | 31 | 36 | 0 | 51 | O3 |
| 2025 | 31 | 36 | 0 | 64 | O3 |
What March air means in Fargo
A typical March day in Fargo sits in the Good range (median AQI 39), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of March days reached AQI 101+ in 2019–2025.
March's median AQI of 39 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 March AQI across every EPA metro area (102,455 metro-days, 2019–2025) is 42, so Fargo runs in line with the national March norm; 0.0% of its March days topped AQI 100 versus 0.4% nationally (about the same).
March is part of Fargo's spring season (March, April, May); the spring 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.