Where is the air worst in North Dakota right now?

Lostwood NWR has the highest current reading at AQI 27 (Good).

How often are readings updated?

Monitors report every hour. We refresh this page with the latest hour from EPA AirNow.

North Dakota Air Quality

Current AQI at 8 monitors, highest 27 (Good) · Measured 10/26/2026, 1:00 PM PT

Monitors: 8
Highest AQI: 27; Good
Typical (median): 26; Good
Above 100: 0

Monitoring sites in North Dakota

Worst first. Times are local.

27Lostwood NWRGood · Fine particles (PM2.5) · Mon 10/26/2026, 2:00 PM CDT
27TRNP-NUGood · Ozone · Mon 10/26/2026, 2:00 PM CDT
26Beulah NorthGood · Fine particles (PM2.5) · Mon 10/26/2026, 2:00 PM CDT
26HannoverGood · Fine particles (PM2.5) · Mon 10/26/2026, 2:00 PM CDT
24Bismarck ResidentialGood · Ozone · Mon 10/26/2026, 2:00 PM CDT
24Theodore Roosevelt NP - Painted Canyon VCGood · Ozone · Mon 10/26/2026, 2:00 PM CDT
23RYDERGood · Ozone · Mon 10/26/2026, 2:00 PM CDT
21Fargo NWGood · Ozone · Mon 10/26/2026, 2:00 PM CDT

By county

Highest current AQI among the county's monitors

What the AQI means

0-50Good. Air quality is satisfactory and poses little or no risk.
51-100Moderate. Acceptable. A few unusually sensitive people may have symptoms.
101-150Unhealthy for Sensitive Groups. People with heart or lung disease, older adults, children and teens should limit long or heavy outdoor exertion.
151-200Unhealthy. Everyone may begin to feel effects. Sensitive groups should avoid long or heavy outdoor exertion.
201-300Very Unhealthy. Health alert: the risk of health effects is increased for everyone.
301-500Hazardous. Health warning of emergency conditions. Everyone is more likely to be affected.

Frequently asked questions

Where is the air worst in North Dakota right now?: Lostwood NWR has the highest current reading at AQI 27 (Good).
How often are readings updated?: Monitors report every hour. We refresh this page with the latest hour from EPA AirNow.

Source: EPA AirNow · Last updated 10/26/2026 · Data are preliminary and subject to change

Nearby states

Data sources

AirNowU.S. Environmental Protection Agency

Data as of 10/26/2026

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More about North Dakota

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About this data

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