Fargo Air Quality in 2023

In 2023, Fargo's air quality (Fargo, ND-MN area) had a median daily AQI of 50 (Good) across 358 monitored days. 12 days (3.4%) reached Unhealthy for Sensitive Groups or worse, 180 were Good, and the year's peak AQI was 175 (Unhealthy). Fine particulate matter (PM2.5) set the daily AQI on 245 of those days. The cleanest month of 2023 was October (median AQI 28, 0 days above 100) and the worst was June (median 75, 3 days above 100, peak 163).

50
Median AQI
Good
12
Days above AQI 100
3.4% of 358 days
84
90th percentile AQI
worst 1 day in 10
175
Peak AQI
Unhealthy
PM2.5
Main pollutant
245 of 358 days
180
Good days
50.3% of days
  • Good: 50.3%
  • Moderate: 46.4%
  • Unhealthy for Sensitive Groups: 2.8%
  • Unhealthy or worse: 0.6%

Improve Indoor Air Quality

Even with good outdoor air in Fargo, indoor PM2.5, dust and allergens build up. A True-HEPA purifier keeps a bedroom or office consistently clean.

Recommended: Levoit Core 400STrue HEPA · CADR ~141 CFM · rooms up to 219 sq ft

Check Price on Amazon →

As an Amazon Associate, we earn from qualifying purchases.

QUICK ANSWER

How was Fargo's air quality in 2023?

Good on a typical day: median AQI 50, with 12 days above AQI 100 out of 358 monitored — the 6th cleanest of 7 years on record for the area.

  • Peak AQI in 2023: 175 (Unhealthy).
  • Fine particulate matter (PM2.5) was the main pollutant on 245 days.
  • Cleanest month: October; worst: June.

Frequently asked questions

What was the average AQI in Fargo in 2023?

EPA's Air Quality System puts Fargo's (Fargo, ND-MN) median daily AQI for 2023 at 50, which is Good. 12 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 175.

Which month had the worst air quality in Fargo in 2023?

The cleanest month of 2023 was October (median AQI 28, 0 days above 100) and the worst was June (median 75, 3 days above 100, peak 163).

Was 2023 a good or bad year for Fargo's air?

Among the 7 years EPA has published for the area (2019–2025), 2023 ranks 6th cleanest by days above AQI 100. 2023's median of 50 is above the area's typical annual median of 38.

Fargo month by month in 2023

Fargo air quality month by month, 2023 (Fargo, ND-MN, EPA AQS daily AQI)

MonthDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
January31672139PM2.5
February2846069PM2.5
March3149072PM2.5
April3044081O3
May31612175O3
Juneworst30753163PM2.5
July24551106PM2.5
August31542118PM2.5
September30632149PM2.5
Octobercleanest3128056O3
November3030060PM2.5
December3131065PM2.5

How 2023 compares

Among the 7 years EPA has published for the area (2019–2025), 2023 ranks 6th cleanest by days above AQI 100.

2023's median of 50 is above 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.