Metro area air quality · 2025
Dickinson, ND
Median AQI 38 (Good). 82.7% of monitored days rated Good across this metro's EPA monitoring network.
- 38
- Median AQI
- 82.7%
- Good-air days
- 4
- Unhealthy days
- 73%
- Cleaner than US metros
Dickinson, ND posted a 2025 median AQI of 38 (Good) with 82.7% Good days
According to the U.S. EPA Air Quality System, the Dickinson, ND CBSA recorded a median AQI of 38 across 364 monitored days in 2025, with 82.7% rated Good and 4 unhealthy or worse. This is an annual metro comparison, not a live advisory.
Data source EPA Air Quality System (AQS)
- Cleaner than US metros
- The Dickinson, ND CBSA's 82.7% Good-day share places it cleaner than 73% of US metros in 2025.
- Closest median-AQI peer
- Appleton, WI (72.3% Good, median AQI 38) is the closest nationwide median-AQI peer to Dickinson, ND.
- 2020–2025 Good-day shift
- Dickinson, ND's Good-day share moved -10.9 points from 2020 to 2025 (median AQI +3).
- Median AQI
- Median AQI: 38
Aggregated from EPA Air Quality System (2025), 364 monitored days. EPA AQS →
The verdict
Dickinson, ND sits in the upper Good-day tercile among EPA CBSA metros on this site (82.7% of 364 monitored days). On the EPA scale the metro runs good, cleaner than the median US metro, with a median AQI of 38 and 82.7% of 364 monitored days in the Good band.
- 38
- median AQI · Good
- 82.7%
- days rated Good
- 73%
- cleaner than US metros
- 195
- worst single reading
4 days reached Unhealthy or worse across the metro's monitors in 2025.
Annual release change
What changed in the 2025 EPA annual release
- Dickinson, ND metro's Unhealthy-category days rose from 1 to 4 between the 2024 and 2025 EPA annual releases, a change of +3 days.
- Dickinson, ND metro's peak single-day AQI rose from 172 to 195 between the 2024 and 2025 EPA annual releases, a change of +23 points.
- Dickinson, ND metro's Good-day share fell from 84.9% to 83.6% between the 2024 and 2025 EPA annual releases, a change of -1.3 percentage points.
Dickinson, ND sits in the upper Good-day tercile among EPA CBSA metros on this site (82.7% of 364 monitored days). Signature read: 82.7% Good-day share (high tercile vs CBSA corpus). Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 38 over 364 measured days in 2025 (Good / Good). The monitored-day split lands at 301 Good (83%), 55 Moderate (15%), and 4 Unhealthy-for-Sensitive-Groups (1%). The 90th-percentile AQI finished at 60; the highest single-day reading hit 195 (Unhealthy).
Across 2020–2025, Good-day share shifted -10.9 points and median AQI moved +3 (worsening). The annual record contains 4 days at Unhealthy or worse. Metros with comparable AQI profiles include Appleton, WI (72.3% good, AQI 38); Billings, MT (86.3% good, AQI 38); Burlington-South Burlington, VT (87.7% good, AQI 38).
Air Quality Summary
Median AQI
38
Good
Good Days
82.7%
301 of 364 days
Max AQI
195
Unhealthy
Health Grade
Good
90th pct: 60
AQI Day Breakdown (2025)
Distribution of 364 monitored days across EPA AQI categories.
Good
301
83%
Moderate
55
15%
USG
4
1%
Unhealthy
4
1%
Very Unhealthy
0
0%
Hazardous
0
0%
Health Impact Assessment
The Dickinson, ND metro area's air quality is rated Good based on 82.7% good air days. There were 4 unhealthy days in 2025 when outdoor activity should be limited.
Air quality is acceptable most days, but 4 days reached "Unhealthy for Sensitive Groups" and peak AQI reached 195. Sensitive groups should monitor real-time conditions at AirNow.gov.
How does the Dickinson, ND metro compare?
How Dickinson, ND compares
5-Year Air Quality Trend
Air quality is worsening in the Dickinson, ND metro. Highest Good-day share: 2020 (94.5%, 346 of 366 monitored days).
| Year | Good | Moderate | Unhealthy | Median AQI | Max AQI |
|---|---|---|---|---|---|
| 2020 | 346 | 20 | 0 | 35 | 65 |
| 2021 | 299 | 60 | 2 | 37 | 161 |
| 2022 | 323 | 40 | 0 | 39 | 79 |
| 2023 | 282 | 73 | 2 | 39 | 226 |
| 2024 | 303 | 53 | 1 | 38 | 172 |
| 2025 | 301 | 55 | 4 | 38 | 195 |
Metros with a similar median AQI
CBSA peers nationwide whose annual median AQI sits near Dickinson, ND (38).
Appleton, WI
Median AQI 38 · 72.3% Good-day share
Billings, MT
Median AQI 38 · 86.3% Good-day share
Burlington-South Burlington, VT
Median AQI 38 · 87.7% Good-day share
Charlottesville, VA
Median AQI 38 · 81.0% Good-day share
Corning, NY
Median AQI 38 · 83.3% Good-day share
Eau Claire, WI
Median AQI 38 · 73.7% Good-day share
Metros with similar unhealthy-day exposure
A second relationship type: metros whose unhealthy-or-worse day count is closest to Dickinson, ND's 4 (independent of median AQI).
Bakersfield, CA
4 unhealthy-or-worse days · median AQI 70
Bishop, CA
4 unhealthy-or-worse days · median AQI 55
Bismarck, ND
4 unhealthy-or-worse days · median AQI 40
New York-Newark-Jersey City, NY-NJ-PA
4 unhealthy-or-worse days · median AQI 53
St. Louis, MO-IL
4 unhealthy-or-worse days · median AQI 56
Wausau, WI
4 unhealthy-or-worse days · median AQI 36
Frequently Asked Questions
How many unhealthy air days does Dickinson, ND have? ▼
What is the air quality in the Dickinson, ND metro area? ▼
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What does AQI 38 mean for health? ▼
How does Dickinson, ND compare to other metro areas? ▼
What is the 90th percentile AQI for Dickinson, ND? ▼
Data Sources
Primary Source: U.S. Environmental Protection Agency (EPA), Air Quality System (AQS), Annual AQI by CBSA dataset for Dickinson, ND, 2025. See our methodology for how AQI, median, and coverage figures are computed.
Read our methodology , how this data is sourced, computed, and verified.
Source: U.S. EPA Air Quality System (AQS) Annual AQI by CBSA summary, Dickinson, ND · 2020–2025