McClain, Oklahoma Air Quality
McClain County, Oklahoma (OK)
↑ Worseningover 8 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 | 48 | 87 | 143 | 144 | 91 | 11 | Ozone |
| 2022 | 45 | 71 | 119 | 204 | 71 | 3 | Ozone |
| 2021 | 40 | 61 | 101 | 168 | 39 | 1 | Ozone |
| 2018 | 38 | 61 | 119 | 264 | 54 | 3 | Ozone |
| 2017 | 39 | 64 | 115 | 304 | 52 | 2 | Ozone |
| 2016 | 37 | 48 | 87 | 335 | 27 | 0 | Ozone |
| 2015 | 36 | 51 | 87 | 322 | 37 | 0 | Ozone |
| 2014 | 39 | 58 | 108 | 300 | 50 | 1 | Ozone |
What This Means for McClain County Residents
McClain, Oklahoma has received an Air Quality Grade of C (54/100) based on a decade of EPA monitoring data. The current median AQI of 48 falls in the "Good" range.
Concerning trends show air quality has been declining, with the median AQI rising by 9 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 5 unhealthy air quality days per year — days when sensitive groups (children, elderly, those with respiratory conditions) should limit outdoor activity.