Campbell, Wyoming Air Quality
Campbell County, Wyoming (WY)
→ 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 | 45 | 67 | 177 | 245 | 113 | 7 | Ozone |
| 2022 | 48 | 74 | 584 | 210 | 146 | 9 | PM10 |
| 2021 | 44 | 87 | 143 | 218 | 131 | 16 | Ozone |
| 2020 | 44 | 68 | 124 | 247 | 116 | 3 | Ozone |
| 2019 | 41 | 56 | 111 | 301 | 63 | 1 | Ozone |
| 2018 | 43 | 64 | 169 | 256 | 105 | 4 | Ozone |
| 2017 | 45 | 69 | 169 | 229 | 129 | 7 | Ozone |
| 2016 | 44 | 62 | 141 | 252 | 113 | 1 | Ozone |
| 2015 | 46 | 66 | 198 | 241 | 121 | 3 | Ozone |
| 2014 | 44 | 59 | 109 | 253 | 111 | 1 | Ozone |
What This Means for Campbell County Residents
Campbell, Wyoming has received an Air Quality Grade of C (60/100) based on a decade of monitoring data from the EPA's air quality monitoring program. The current median AQI of 45 falls in the "Good" range.
The primary pollutant affecting this area is Ground-Level Ozone. Over the past 5 years, this area has averaged 7 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.
Related Cities in Wyoming
Frequently Asked Questions
Campbell, Wyoming has a current median AQI of 45, which falls in the "Good" range. The area has received an Air Quality Grade of C (60/100) based on 10 years of EPA monitoring data.
Air quality in Campbell, Wyoming is stable over the past decade. The median AQI has changed by +1 points from 2014 to 2023.
Campbell, Wyoming averages 7 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 Campbell, Wyoming is Ground-Level Ozone. This is the dominant contributor to elevated AQI readings in the Campbell County area.
Campbell, Wyoming averages 7 unhealthy air days per year. Asthma patients should monitor daily AQI readings and limit outdoor activity when AQI exceeds 100. The primary pollutant is Ground-Level Ozone, which is a known asthma trigger.
With a median AQI of 45 (Good), outdoor exercise in Campbell, Wyoming is generally safe year-round. Campbell, Wyoming averages 7 days per year when athletes should move workouts indoors.