Sherman, Kansas Air Quality
Sherman County, Kansas (KS)
→ 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 | 19 | 44 | 78 | 315 | 19 | 0 | PM10 |
| 2022 | 18 | 41 | 494 | 338 | 18 | 4 | PM10 |
| 2021 | 17 | 38 | 221 | 308 | 11 | 1 | PM10 |
| 2020 | 13 | 44 | 106 | 282 | 20 | 1 | PM10 |
| 2019 | 12 | 31 | 58 | 354 | 4 | 0 | PM10 |
| 2018 | 14 | 31 | 91 | 344 | 6 | 0 | PM10 |
| 2017 | 15 | 31 | 60 | 228 | 4 | 0 | PM10 |
| 2016 | 20 | 54 | 98 | 48 | 10 | 0 | PM10 |
| 2015 | 18 | 36 | 73 | 58 | 1 | 0 | PM10 |
| 2014 | 15 | 33 | 49 | 61 | 0 | 0 | PM10 |
What This Means for Sherman County Residents
Sherman, Kansas has received an Air Quality Grade of B (77/100) based on a decade of EPA monitoring data. The current median AQI of 19 falls in the "Good" range.
The primary pollutant affecting this area is Coarse Particulate Matter (PM10). Over the past 5 years, this area has averaged 1 unhealthy air quality days per year — days when sensitive groups (children, elderly, those with respiratory conditions) should limit outdoor activity.