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

The Dickinson, ND metro runs good on the EPA scale, cleaner than the median US metro, a median AQI of 38 with 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

2024 → 2025
  • 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.

Compared against 357 monitored days in 2024 and 360 in 2025. These are arithmetic differences between two stored EPA annual summaries, not a cause claim or a live advisory.

National release changes Two-year CSV

Insights: Dickinson, ND metro. Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 38 over 364 measured days in 2025, which corresponds to a Good band and a Good metro-wide health grade. The monitored-day split lands at 301 Good days (83%), 55 Moderate (15%), and 4 Unhealthy-for-Sensitive-Groups (1%). The 90th-percentile AQI finished at 60 while the highest single-day reading hit 195 (Unhealthy). Metro residents averaged roughly 24.8 clean-air days per 30-day window across the reporting year.

Across the 2020–2025 trend window, the share of monitored days rated Good shifted by -10.9 points and the median AQI moved +3 points, which classifies the multi-year trajectory as worsening. The annual record contains 4 days at Unhealthy or worse. On those days, the EPA recommends that sensitive groups limit prolonged outdoor exertion. 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

Good

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

Good-day share better than typical
Dickinson, ND 82.7%
Appleton, WI 72.3%
Typical US metro 70.6%
Median AQI better than typical
Dickinson, ND 38
Appleton, WI 38
Typical US metro 41
Unhealthy days / yr worse than typical
Dickinson, ND 4
Appleton, WI 6
Typical US metro 1

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
2020 346 20 0 35
2021 299 60 2 37
2022 323 40 0 39
2023 282 73 2 39
2024 303 53 1 38
2025 301 55 4 38

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

38

Billings, MT

Median AQI 38 · 86.3% Good-day share

38

Burlington-South Burlington, VT

Median AQI 38 · 87.7% Good-day share

38

Charlottesville, VA

Median AQI 38 · 81.0% Good-day share

38

Corning, NY

Median AQI 38 · 83.3% Good-day share

38

Eau Claire, WI

Median AQI 38 · 73.7% Good-day share

38

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

70

Bishop, CA

4 unhealthy-or-worse days · median AQI 55

55

Bismarck, ND

4 unhealthy-or-worse days · median AQI 40

40

New York-Newark-Jersey City, NY-NJ-PA

4 unhealthy-or-worse days · median AQI 53

53

St. Louis, MO-IL

4 unhealthy-or-worse days · median AQI 56

56

Wausau, WI

4 unhealthy-or-worse days · median AQI 36

36

More Air Quality Data

Explore EPA air quality rankings and guides across U.S. metros and counties.

Cleanest Metro Areas

U.S. metros ranked by their share of Good air-quality days.

Worst Air Quality

Counties and metros with the most unhealthy air days.

All Metro Areas

Annual AQI by CBSA for every monitored U.S. metro area.

Best and Worst City Air

What drives urban air quality and how metro areas compare.

Air Quality Guides

Frequently Asked Questions

What is the air quality in the Dickinson, ND metro area? ▼
The Dickinson, ND metro area has a median Air Quality Index (AQI) of 38, rated "Good." 82.7% of monitored days (301 out of 364) had good air quality in 2025.
How many unhealthy air days does Dickinson, ND have? ▼
In 2025, the Dickinson, ND metro area recorded 4 unhealthy air days (4 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 195.
Is air quality in Dickinson, ND getting better or worse? ▼
Air quality in the Dickinson, ND metro is worsening across floor-qualifying years (2020-2025); years with fewer than 100 monitored days are excluded from that direction. Highest qualifying Good-day share: 2020 at 94.5% (346 of 366 days). Lowest qualifying Good-day share: 2023 at 79.0% (282 of 357 days).
What does AQI 38 mean for health? ▼
An AQI of 38 is "Good", air quality is satisfactory and poses little or no health risk. This is the best category on the EPA's AQI scale.
What is the 90th percentile AQI for Dickinson, ND? ▼
The 90th percentile AQI for the Dickinson, ND metro area is 60, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 195 (Unhealthy).
How does Dickinson, ND compare to other metro areas? ▼
The Dickinson, ND metro has 82.7% good air days. Similar metros: Appleton, WI (72.3% good), Billings, MT (86.3% good), Burlington-South Burlington, VT (87.7% good).

Data Sources

Primary Source: U.S. Environmental Protection Agency (EPA), Air Quality System (AQS), Annual AQI by CBSA dataset, 2020–2025. 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 files (metro-level) · 2020–2025

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Every figure on PlainAirData is rendered directly from EPA AQS air-quality monitoring data, no number is typed in by an editor. This page draws directly on EPA AQS air-quality monitoring data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.