McKenzie, North Dakota Air Quality
McKenzie County, North Dakota (ND)
→ Stableover 10 years
10-Year AQI Trend
The solid line shows the median AQI each year. The dashed line shows the 90th percentile (worst 10% of days).
Air Quality Day Breakdown
Number of days per year in each EPA AQI category. Green = Good (AQI 0-50), Yellow = Moderate (51-100), Orange = Unhealthy for Sensitive Groups (101-150), Red = Unhealthy or worse (151+).
Year-by-Year Data
| Year | Median AQI | 90th Pct | Max AQI | Good Days | Moderate | Unhealthy+ | Pollutant |
|---|---|---|---|---|---|---|---|
| 2023 | 39 | 64 | 298 | 277 | 72 | 15 | Ozone |
| 2022 | 35 | 51 | 75 | 294 | 37 | 0 | Ozone |
| 2021 | 36 | 72 | 183 | 286 | 62 | 8 | Ozone |
| 2020 | 34 | 44 | 66 | 346 | 17 | 0 | Ozone |
| 2019 | 35 | 49 | 77 | 343 | 22 | 0 | Ozone |
| 2018 | 38 | 57 | 93 | 293 | 62 | 0 | Ozone |
| 2017 | 37 | 53 | 155 | 307 | 47 | 2 | Ozone |
| 2016 | 33 | 45 | 89 | 356 | 10 | 0 | Ozone |
| 2015 | 35 | 54 | 161 | 315 | 43 | 6 | Ozone |
| 2014 | 36 | 49 | 205 | 323 | 27 | 2 | Ozone |
What This Means for McKenzie County Residents
McKenzie, North Dakota has received an Air Quality Grade of C (64/100) based on a decade of monitoring data from the EPA's air quality monitoring program. The current median AQI of 39 falls in the "Good" range.
The primary pollutant affecting this area is Ground-Level Ozone. Over the past 5 years, this area has averaged 5 unhealthy air quality days per year — days when sensitive groups (children, elderly, those with respiratory conditions) should limit outdoor activity. The American Lung Association's State of the Air report provides additional context on long-term health risks from air pollution exposure.
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Frequently Asked Questions
McKenzie, North Dakota has a current median AQI of 39, which falls in the "Good" range. The area has received an Air Quality Grade of C (64/100) based on 10 years of EPA monitoring data.
Air quality in McKenzie, North Dakota is stable over the past decade. The median AQI has changed by +3 points from 2014 to 2023.
McKenzie, North Dakota averages 5 unhealthy air quality days per year over the past 5 years. On these days, sensitive groups including children, the elderly, and those with respiratory conditions should limit outdoor activity.
The primary pollutant affecting McKenzie, North Dakota is Ground-Level Ozone. This is the dominant contributor to elevated AQI readings in the McKenzie County area.
McKenzie, North Dakota averages 5 unhealthy air days per year. This is relatively low, making it a reasonable choice for asthma sufferers. The primary pollutant is Ground-Level Ozone, which is a known asthma trigger.
With a median AQI of 39 (Good), outdoor exercise in McKenzie, North Dakota is generally safe year-round. McKenzie, North Dakota averages 5 days per year when athletes should move workouts indoors.