Uintah, Utah Air Quality
Uintah County, Utah (UT)
↑ 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 | 54 | 101 | 215 | 154 | 174 | 37 | Ozone |
| 2022 | 47 | 67 | 93 | 242 | 123 | 0 | Ozone |
| 2021 | 50 | 93 | 159 | 190 | 149 | 26 | Ozone |
| 2020 | 50 | 72 | 133 | 201 | 160 | 5 | Ozone |
| 2019 | 54 | 87 | 205 | 157 | 186 | 22 | Ozone |
| 2018 | 51 | 87 | 156 | 181 | 173 | 11 | Ozone |
| 2017 | 49 | 74 | 206 | 200 | 154 | 11 | Ozone |
| 2016 | 47 | 74 | 216 | 234 | 121 | 11 | Ozone |
| 2015 | 46 | 67 | 122 | 242 | 121 | 2 | Ozone |
| 2014 | 48 | 71 | 164 | 229 | 128 | 8 | Ozone |
What This Means for Uintah County Residents
Uintah, Utah has received an Air Quality Grade of D (49/100) based on a decade of EPA monitoring data. The current median AQI of 54 falls in the "Moderate" range.
Concerning trends show air quality has been declining, with the median AQI rising by 6 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 18 unhealthy air quality days per year — days when sensitive groups (children, elderly, those with respiratory conditions) should limit outdoor activity.