Putnam, Tennessee Air Quality
Putnam County, Tennessee (TN)
↓ 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 | 38 | 58 | 109 | 258 | 97 | 1 | PM2.5 |
| 2022 | 32 | 53 | 81 | 289 | 58 | 0 | PM2.5 |
| 2021 | 36 | 58 | 91 | 268 | 88 | 0 | PM2.5 |
| 2020 | 31 | 52 | 105 | 310 | 48 | 1 | PM2.5 |
| 2019 | 33 | 54 | 67 | 291 | 69 | 0 | PM2.5 |
| 2018 | 36 | 56 | 68 | 268 | 84 | 0 | PM2.5 |
| 2017 | 42 | 57 | 73 | 206 | 90 | 0 | PM2.5 |
| 2016 | 39 | 55 | 89 | 87 | 35 | 0 | PM2.5 |
| 2015 | 37 | 58 | 65 | 81 | 37 | 0 | PM2.5 |
| 2014 | 46 | 62 | 85 | 63 | 46 | 0 | PM2.5 |
What This Means for Putnam County Residents
Putnam, Tennessee has received an Air Quality Grade of B (75/100) based on a decade of EPA monitoring data. The current median AQI of 38 falls in the "Good" range.
Encouragingly, air quality here has been improving, with the median AQI dropping by 8 points over the monitoring period. This trend suggests continued investment in emission controls and cleaner energy.
The primary pollutant affecting this area is Fine Particulate Matter (PM2.5). 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.