Fargo Air Quality in Summer
Across 2019–2025, Fargo's summer (June–August) air quality had a median AQI of 45 (Good) over 629 monitored days in the Fargo, ND-MN area. 5.6% of summer days (35 of 629) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 57.6% of days. The cleanest summer on record here was 2020 (median AQI 37, 0 days above 100) and the worst was 2021 (median 58, 17 days above 100, peak AQI 211).
- Good: 59.5%
- Moderate: 35.0%
- Unhealthy for Sensitive Groups: 2.7%
- Unhealthy or worse: 2.9%
Improve Indoor Air Quality
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How is the air in Fargo in summer?
Good on a typical day: median AQI 45 across 2019–2025, with 5.6% of summer days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓59.5% of summer days were Good (AQI 0–50), 35.0% Moderate (51–100).
- ✓35 days of 629 reached AQI 101+; the summer peak was 211.
- ✓Cleanest month: June; worst month: July.
Frequently asked questions
What is the air quality like in Fargo in summer?▾
Across 2019–2025, the median daily AQI in Fargo in summer was 45 (Good). 59.5% of days were Good, 35.0% Moderate, and 5.6% reached Unhealthy for Sensitive Groups or worse, based on 629 monitored days in EPA's Air Quality System.
Is summer a good time for outdoor exercise in Fargo?▾
A typical summer day in Fargo sits in the Good range (median AQI 45), so running, cycling and children's outdoor play are fine for everyone on most days; about 1 day in 18 of summer days (5.6%) reached AQI 101+ in 2019–2025.
Which pollutant causes Fargo's summer air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 57.6% of summer days in Fargo. The highest summer AQI recorded in 2019–2025 was 211 (Very Unhealthy), in 2021.
Fargo summer air quality, year by year
Fargo summer air quality by year (Fargo, ND-MN, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 90 | 42 | 2 | 157 | PM2.5 |
| 2020cleanest | 92 | 37 | 0 | 80 | O3 |
| 2021worst | 90 | 58 | 17 | 211 | PM2.5 |
| 2022 | 92 | 42 | 0 | 71 | PM2.5 |
| 2023 | 85 | 67 | 6 | 163 | PM2.5 |
| 2024 | 92 | 47 | 0 | 87 | PM2.5 |
| 2025 | 88 | 52 | 10 | 192 | PM2.5 |
What summer air means in Fargo
A typical summer day in Fargo sits in the Good range (median AQI 45), so running, cycling and children's outdoor play are fine for everyone on most days; about 1 day in 18 of summer days (5.6%) reached AQI 101+ in 2019–2025.
Summer's median AQI of 45 is above Fargo's whole-year median of 38, making it one of the area's dirtier periods. Nationally, the median Summer AQI across every EPA metro area (308,645 metro-days, 2019–2025) is 46, so Fargo runs in line with the national Summer norm; 5.6% of its Summer days topped AQI 100 versus 3.6% nationally (above average).
Within the season, June is the cleanest month (median AQI 47, 3.3% of days above 100) and July the worst (median 48, 8.9% above 100).
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 season 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.