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AirHistory

Air Quality in North Dakota

10-year air quality trends for 10 monitored areas in North Dakota.

See full North Dakota air quality rankings →
10
Cities
37
Avg AQI (5yr)
1
Improving
0
Stable
9
Worsening

All Monitored Areas in North Dakota

Williams, North Dakota

Williams County · AQI 34 (5yr avg) · Stable · Ozone

B

Billings, North Dakota

Billings County · AQI 37 (5yr avg) · Stable · Ozone

C

McKenzie, North Dakota

McKenzie County · AQI 36 (5yr avg) · Stable · Ozone

C

Dunn, North Dakota

Dunn County · AQI 37 (5yr avg) · Worsening · Ozone

C

Mercer, North Dakota

Mercer County · AQI 38 (5yr avg) · Worsening · Ozone

C

Burke, North Dakota

Burke County · AQI 38 (5yr avg) · Worsening · Ozone

C

Cass, North Dakota

Cass County · AQI 41 (5yr avg) · Worsening · Ozone

C

Oliver, North Dakota

Oliver County · AQI 39 (5yr avg) · Worsening · Ozone

C

Burleigh, North Dakota

Burleigh County · AQI 38 (5yr avg) · Worsening · PM2.5

C

Ward, North Dakota

Ward County · AQI 36 (5yr avg) · Worsening · Ozone

C
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Frequently Asked Questions

North Dakota has 10 monitored areas with an average 5-year AQI of 37 and an average Air Quality Grade of B. 1 cities are improving, 9 are worsening, and 0 are stable.

Williams, North Dakota has the best Air Quality Grade (B) in North Dakota with a 5-year average AQI of 34.

Of 10 monitored areas in North Dakota, 1 are showing improving trends, 9 are worsening, and 0 remain stable over the past decade.

Sources: EPA Air Quality System (AQS)
Last updated: