Park, Colorado Air Quality
Park County, Colorado (CO)
↑ Worseningover 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 in this area has been declining over the past decade.
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 | 50 | 80 | 147 | 137 | 129 | 3 | Ozone |
| 2022 | 48 | 74 | 190 | 172 | 87 | 2 | Ozone |
| 2021 | 48 | 84 | 140 | 203 | 103 | 16 | Ozone |
| 2020 | 50 | 74 | 161 | 187 | 146 | 10 | Ozone |
| 2019 | 50 | 80 | 101 | 160 | 150 | 2 | Ozone |
| 2018 | 51 | 90 | 174 | 161 | 145 | 18 | Ozone |
| 2017 | 48 | 67 | 112 | 237 | 124 | 4 | Ozone |
| 2016 | 47 | 64 | 133 | 270 | 93 | 3 | Ozone |
| 2015 | 45 | 67 | 112 | 264 | 82 | 4 | Ozone |
| 2014 | 47 | 74 | 115 | 232 | 104 | 2 | Ozone |
What This Means for Park County Residents
Park, Colorado has received an Air Quality Grade of C (56/100) based on a decade of EPA monitoring data. The current median AQI of 50 falls in the "Good" range.
Concerning trends show air quality has been declining, with the median AQI rising by 3 points over the monitoring period. This could be driven by increased development, wildfire smoke, or industrial activity.
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.