Fargo Air Quality in 2019
In 2019, Fargo's air quality (Fargo, ND-MN area) had a median daily AQI of 36 (Good) across 363 monitored days. 2 days (0.6%) reached Unhealthy for Sensitive Groups or worse, 301 were Good, and the year's peak AQI was 157 (Unhealthy). Ground-level ozone set the daily AQI on 197 of those days. The cleanest month of 2019 was September (median AQI 26, 0 days above 100) and the worst was July (median 42, 2 days above 100, peak 157).
- Good: 82.9%
- Moderate: 16.5%
- Unhealthy for Sensitive Groups: 0.3%
- Unhealthy or worse: 0.3%
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How was Fargo's air quality in 2019?
Good on a typical day: median AQI 36, with 2 days above AQI 100 out of 363 monitored — the 3rd cleanest of 7 years on record for the area.
- ✓Peak AQI in 2019: 157 (Unhealthy).
- ✓Ground-level ozone was the main pollutant on 197 days.
- ✓Cleanest month: September; worst: July.
Frequently asked questions
What was the average AQI in Fargo in 2019?▾
EPA's Air Quality System puts Fargo's (Fargo, ND-MN) median daily AQI for 2019 at 36, which is Good. 2 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 157.
Which month had the worst air quality in Fargo in 2019?▾
The cleanest month of 2019 was September (median AQI 26, 0 days above 100) and the worst was July (median 42, 2 days above 100, peak 157).
Was 2019 a good or bad year for Fargo's air?▾
Among the 7 years EPA has published for the area (2019–2025), 2019 ranks 3rd cleanest by days above AQI 100. 2019's median of 36 is in line with the area's typical annual median of 38.
Fargo month by month in 2019
Fargo air quality month by month, 2019 (Fargo, ND-MN, EPA AQS daily AQI)
| Month | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| January | 31 | 33 | 0 | 60 | PM2.5 |
| February | 28 | 35 | 0 | 73 | O3 |
| March | 31 | 47 | 0 | 77 | O3 |
| April | 30 | 41 | 0 | 54 | O3 |
| May | 31 | 37 | 0 | 87 | O3 |
| June | 30 | 44 | 0 | 77 | O3 |
| Julyworst | 29 | 42 | 2 | 157 | PM2.5 |
| August | 31 | 36 | 0 | 52 | PM2.5 |
| Septembercleanest | 30 | 26 | 0 | 58 | O3 |
| October | 31 | 26 | 0 | 56 | O3 |
| November | 30 | 27 | 0 | 48 | O3 |
| December | 31 | 38 | 0 | 64 | PM2.5 |
How 2019 compares
Among the 7 years EPA has published for the area (2019–2025), 2019 ranks 3rd cleanest by days above AQI 100.
2019's median of 36 is in line with the area's typical annual median of 38.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Fargo
The latest EPA AirNow observation puts Fargo's AQI at 27 (PM2.5). The figures above are multi-year annual 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.