Median AQI
26
Good
Missouri · County air quality · 2025
Median AQI 26 (Good). 100.0% of monitored days rated Good, direct from EPA Air Quality System stations.
The verdict
According to EPA Air Quality System monitoring data, Taney County's air is good on balance, among the cleanest 5% of US counties, a median AQI of 26 with 100.0% of 17 monitored days in the Good band, driven mainly by PM2.5.
Not one day crossed into the Unhealthy tier; the worst single reading was AQI 41.
Data updated July 2026
Across 17 monitored days, 17 fell in the Good band (AQI 0–50) and 0 reached Unhealthy or worse. The worst single day peaked at AQI 41 (Good).
EPA AQS →Air quality data from EPA Air Quality System (2025). 17 days monitored. Median AQI: 26 (Good).
Insights: Taney County, Missouri. EPA monitors recorded a median Air Quality Index of 26 across 17 measured days in 2025, earning a Good classification and a Excellent health grade. Of those days, 17 (100%) fell in the Good band (AQI 0–50), 0 (0%) registered Moderate readings, and 0 (0%) reached Unhealthy for Sensitive Groups. The 90th-percentile AQI settled at 40, while the worst single-day peak hit 41 (Good). Residents averaged about 30.0 clean-air days per 30-day window during the monitoring year.
The full pollutant mix ranks as PM2.5 (17 days). Across the 2020–2025 trend window, good days shifted by -96 and the median AQI moved +4 points, placing the multi-year trajectory at improving. The worst single reading over the 2020–2025 window was AQI 41, good but never Unhealthy. Nearby counties show comparable readings: Andrew (84.3% good, AQI 42); Boone (89.1% good, AQI 41); Buchanan (64.2% good, AQI 39); Callaway (85.6% good, AQI 42); Cass (82.2% good, AQI 41); Cedar (81.8% good, AQI 40).
Median AQI
26
Good
Good Days
100.0%
17 of 17 monitored days
25.0pp vs 75% target
Max AQI Recorded
41
Good
Health Grade
Excellent
90th-pct AQI 40
Share of monitored days at AQI 0-50 (Good band).
Share of monitored days above AQI 150 (Unhealthy or worse). Bar maxes at 10% (worst-county ceiling).
Distribution of 17 monitored days across EPA AQI categories.
Good
17
100%
Moderate
0
0%
USG
0
0%
Unhealthy
0
0%
Very Unhealthy
0
0%
Hazardous
0
0%
Days where each pollutant was the primary driver of AQI readings in Taney County.
Taney County's air quality is rated Excellent based on 100.0% good air days. No unhealthy air days were recorded in 2025.
Air quality was acceptable on 100.0% of monitored days in 2025, with a median AQI of 26. Unusually sensitive people can check real-time conditions at AirNow.gov during high-pollution events.
The dominant pollutant is PM2.5, driving AQI on 17 of 17 monitored days.
Air quality is improving in Taney County. Best year: 2020 (113 good days).
| Year | Good | Moderate | USG | Unhealthy | Median AQI | Max AQI |
|---|---|---|---|---|---|---|
| 2020 | 113 | 9 | 0 | 0 | 22 | 62 |
| 2021 | 102 | 16 | 0 | 0 | 27 | 86 |
| 2022 | 106 | 12 | 0 | 0 | 25 | 71 |
| 2023 | 88 | 17 | 0 | 0 | 29 | 75 |
| 2024 | 104 | 13 | 0 | 0 | 26 | 73 |
| 2025 | 17 | 0 | 0 | 0 | 26 | 41 |
Air quality comparison for nearby counties in Missouri.
Counties across the US with a similar median AQI to Taney County.
Clallam County, Washington
AQI 26 · 88.5% good
Ford County, Kansas
AQI 26 · 89.4% good
Grant County, Washington
AQI 26 · 89.7% good
Harney County, Oregon
AQI 26 · 70.7% good
Thurston County, Washington
AQI 26 · 98.1% good
Wyoming County, Pennsylvania
AQI 26 · 83.1% good
What Taney County's air means for you
The air here stays in the breathable range year-round, with PM2.5 the main thing to watch.
Based on 17 EPA-monitored days in 2025; figures reflect only days the monitors reported. Source: EPA Air Quality System annual summaries.
Primary Source: U.S. Environmental Protection Agency (EPA), Air Quality System (AQS), Annual AQI by County dataset, 2020–2025 (aqs.epa.gov). For current conditions (not shown here — this page is historical annual data), see EPA AirNow (airnow.gov). See our methodology for how AQI, median, and coverage figures are computed.
Informational only, not professional advice. Data from EPA AQS. See our disclaimer.
Every figure on PlainAir is rendered directly from EPA AQS air-quality monitoring data, no number is typed in by an editor. This page draws directly on EPA AQS air-quality monitoring data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.