Metro area air quality · 2025
Clarksville, TN-KY
Median AQI 42 (Good). 72.0% of monitored days rated Good across this metro's EPA monitoring network.
- 42
- Median AQI
- 72.0%
- Good-air days
- 0
- Unhealthy days
- 49%
- Cleaner than US metros
Clarksville, TN-KY posted a 2025 median AQI of 42 (Good) with 72.0% Good days
According to the U.S. EPA Air Quality System, the Clarksville, TN-KY CBSA recorded a median AQI of 42 across 365 monitored days in 2025, with 72.0% rated Good and 0 unhealthy or worse. This is an annual metro comparison, not a live advisory.
Data source EPA Air Quality System (AQS)
- Cleaner than US metros
- The Clarksville, TN-KY CBSA's 72.0% Good-day share places it cleaner than 49% of US metros in 2025.
- Closest median-AQI peer
- Allentown-Bethlehem-Easton, PA-NJ (66.8% Good, median AQI 42) is the closest nationwide median-AQI peer to Clarksville, TN-KY.
- 2020–2025 Good-day shift
- Clarksville, TN-KY's Good-day share moved +1.1 points from 2020 to 2025 (median AQI -2).
- Median AQI
- Median AQI: 42
Aggregated from EPA Air Quality System (2025), 365 monitored days. EPA AQS →
The verdict
Clarksville, TN-KY's Good-day share (72.0%) sits in the middle CBSA tercile on this extract. On the EPA scale the metro runs good, more polluted than the median US metro, with a median AQI of 42 and 72.0% of 365 monitored days in the Good band.
- 42
- median AQI · Good
- 72.0%
- days rated Good
- 49%
- cleaner than US metros
- 130
- worst single reading
No day crossed into the Unhealthy tier across the metro's monitors in 2025.
Annual release change
What changed in the 2025 EPA annual release
- Clarksville, TN-KY metro's peak single-day AQI rose from 84 to 130 between the 2024 and 2025 EPA annual releases, a change of +46 points.
- Clarksville, TN-KY metro's Good-day share fell from 74.0% to 72.3% between the 2024 and 2025 EPA annual releases, a change of -1.8 percentage points.
Clarksville, TN-KY's Good-day share (72.0%) sits in the middle CBSA tercile on this extract. Signature read: 72.0% Good-day share (mid tercile vs CBSA corpus). Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 42 over 365 measured days in 2025 (Good / Moderate). The monitored-day split lands at 263 Good (72%), 101 Moderate (28%), and 1 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 59; the highest single-day reading hit 130 (USG).
Across 2020–2025, Good-day share shifted +1.1 points and median AQI moved -2 (stable). No Unhealthy-tier days appear in this annual dataset. Metros with comparable AQI profiles include Allentown-Bethlehem-Easton, PA-NJ (66.8% good, AQI 42); Amarillo, TX (78.4% good, AQI 42); Carson City, NV (86.2% good, AQI 42).
Air Quality Summary
Median AQI
42
Good
Good Days
72.0%
263 of 365 days
Max AQI
130
USG
Health Grade
Moderate
90th pct: 59
AQI Day Breakdown (2025)
Distribution of 365 monitored days across EPA AQI categories.
Good
263
72%
Moderate
101
28%
USG
1
0%
Unhealthy
0
0%
Very Unhealthy
0
0%
Hazardous
0
0%
Health Impact Assessment
The Clarksville, TN-KY metro area's air quality is rated Moderate based on 72.0% good air days. No unhealthy air days were recorded in 2025.
Air quality is generally acceptable. Unusually sensitive people should monitor real-time conditions at AirNow.gov during high-pollution events.
How does the Clarksville, TN-KY metro compare?
How Clarksville, TN-KY compares
5-Year Air Quality Trend
Air quality is stable in the Clarksville, TN-KY metro. Highest Good-day share: 2024 (74.0%, 271 of 366 monitored days).
| Year | Good | Moderate | Unhealthy | Median AQI | Max AQI |
|---|---|---|---|---|---|
| 2020 | 259 | 105 | 0 | 44 | 116 |
| 2021 | 186 | 178 | 0 | 50 | 138 |
| 2022 | 195 | 170 | 0 | 49 | 87 |
| 2023 | 205 | 155 | 0 | 47 | 117 |
| 2024 | 271 | 95 | 0 | 42 | 84 |
| 2025 | 263 | 101 | 0 | 42 | 130 |
Metros with a similar median AQI
CBSA peers nationwide whose annual median AQI sits near Clarksville, TN-KY (42).
Allentown-Bethlehem-Easton, PA-NJ
Median AQI 42 · 66.8% Good-day share
Amarillo, TX
Median AQI 42 · 78.4% Good-day share
Carson City, NV
Median AQI 42 · 86.2% Good-day share
Casper, WY
Median AQI 42 · 86.3% Good-day share
Daphne-Fairhope-Foley, AL
Median AQI 42 · 75.5% Good-day share
Deltona-Daytona Beach-Ormond Beach, FL
Median AQI 42 · 81.4% Good-day share
Metros with similar unhealthy-day exposure
A second relationship type: metros whose unhealthy-or-worse day count is closest to Clarksville, TN-KY's 0 (independent of median AQI).
Aberdeen, SD
0 unhealthy-or-worse days · median AQI 27
Aberdeen, WA
0 unhealthy-or-worse days · median AQI 22
Adrian, MI
0 unhealthy-or-worse days · median AQI 41
Akron, OH
0 unhealthy-or-worse days · median AQI 45
Albany, GA
0 unhealthy-or-worse days · median AQI 46
Albany, OR
0 unhealthy-or-worse days · median AQI 27
Frequently Asked Questions
How many unhealthy air days does Clarksville, TN-KY have? ▼
What is the air quality in the Clarksville, TN-KY metro area? ▼
Is air quality in Clarksville, TN-KY getting better or worse? ▼
What does AQI 42 mean for health? ▼
How does Clarksville, TN-KY compare to other metro areas? ▼
What is the 90th percentile AQI for Clarksville, TN-KY? ▼
Data Sources
Primary Source: U.S. Environmental Protection Agency (EPA), Air Quality System (AQS), Annual AQI by CBSA dataset for Clarksville, TN-KY, 2025. See our methodology for how AQI, median, and coverage figures are computed.
Read our methodology , how this data is sourced, computed, and verified.
Source: U.S. EPA Air Quality System (AQS) Annual AQI by CBSA summary, Clarksville, TN-KY · 2020–2025