Natrona, Wyoming Air Quality
Natrona 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 | 42 | 49 | 102 | 344 | 20 | 1 | Ozone |
| 2022 | 42 | 54 | 97 | 317 | 48 | 0 | Ozone |
| 2021 | 42 | 71 | 125 | 282 | 77 | 6 | Ozone |
| 2020 | 42 | 54 | 124 | 316 | 46 | 4 | Ozone |
| 2019 | 42 | 51 | 74 | 327 | 37 | 0 | Ozone |
| 2018 | 42 | 58 | 90 | 286 | 79 | 0 | Ozone |
| 2017 | 44 | 61 | 137 | 286 | 77 | 2 | Ozone |
| 2016 | 41 | 50 | 80 | 330 | 36 | 0 | Ozone |
| 2015 | 41 | 50 | 96 | 329 | 36 | 0 | Ozone |
| 2014 | 41 | 51 | 77 | 327 | 38 | 0 | Ozone |
What This Means for Natrona County Residents
Natrona, Wyoming has received an Air Quality Grade of C (63/100) based on a decade of monitoring data from the EPA's air quality monitoring program. The current median AQI of 42 falls in the "Good" range.
The primary pollutant affecting this area is Ground-Level Ozone. Over the past 5 years, this area has averaged 2 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
Natrona, Wyoming has a current median AQI of 42, which falls in the "Good" range. The area has received an Air Quality Grade of C (63/100) based on 10 years of EPA monitoring data.
Air quality in Natrona, Wyoming is stable over the past decade. The median AQI has changed by +1 points from 2014 to 2023.
Natrona, Wyoming averages 2 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 Natrona, Wyoming is Ground-Level Ozone. This is the dominant contributor to elevated AQI readings in the Natrona County area.
Natrona, Wyoming averages 2 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 42 (Good), outdoor exercise in Natrona, Wyoming is generally safe year-round. Natrona, Wyoming averages 2 days per year when athletes should move workouts indoors.