Columbiana, Ohio Air Quality
Columbiana County, Ohio (OH)
↓ Improvingover 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). This area has seen measurable air quality improvement over the 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 | 11 | 26 | 74 | 60 | 1 | 0 | PM10 |
| 2022 | 12 | 23 | 40 | 61 | 0 | 0 | PM10 |
| 2021 | 16 | 24 | 35 | 61 | 0 | 0 | PM10 |
| 2020 | 10 | 20 | 31 | 48 | 0 | 0 | PM10 |
| 2019 | 12 | 22 | 26 | 62 | 0 | 0 | PM10 |
| 2018 | 12 | 21 | 30 | 63 | 0 | 0 | PM10 |
| 2017 | 14 | 20 | 26 | 61 | 0 | 0 | PM10 |
| 2016 | 15 | 24 | 36 | 61 | 0 | 0 | PM10 |
| 2015 | 18 | 30 | 50 | 60 | 0 | 0 | PM10 |
| 2014 | 16 | 29 | 35 | 61 | 0 | 0 | PM10 |
What This Means for Columbiana County Residents
Columbiana, Ohio has received an Air Quality Grade of A (84/100) based on a decade of EPA monitoring data. The current median AQI of 11 falls in the "Good" range.
Encouragingly, air quality here has been improving, with the median AQI dropping by 5 points over the monitoring period. This trend suggests continued investment in emission controls and cleaner energy.
The primary pollutant affecting this area is Coarse Particulate Matter (PM10). Over the past 5 years, this area has averaged 0 unhealthy air quality days per year — days when sensitive groups (children, elderly, those with respiratory conditions) should limit outdoor activity.