Median AQI
48
Good
Georgia · County air quality · 2025
Muscogee County, Georgia
Median AQI 48 (Good). 54.5% of monitored days rated Good, direct from EPA Air Quality System stations.
- 48
- Median AQI
- 54.5%
- Good-air days
- 2
- Unhealthy days
- 9%
- Cleaner than US counties
Muscogee County's 2025 annual median AQI is 48 (Good), with 54.5% Good days
According to the U.S. EPA Air Quality System, Muscogee County, Georgia posted a 2025 median AQI of 48 (Good) across 365 monitored days, with 54.5% rated Good and 2 unhealthy or worse. This is an annual comparison, not today's advisory.
Data source EPA Air Quality System (AQS)
- Cleaner than US
- Muscogee County's 54.5% Good-day share places it cleaner than 9% of US counties in 2025.
- Closest median-AQI peer
- Adair County (55.8% Good, median AQI 48) is the closest nationwide median-AQI peer to Muscogee County.
- 2020–2025 trend
- Muscogee County's floor-qualifying Good-day share is worsening from 2020 to 2025 (70.2% → 54.5%).
- Median AQI
- Median AQI: 48
The verdict
According to EPA Air Quality System monitoring data, Muscogee County's air is good on balance, among the most polluted counties nationally, a median AQI of 48 with 54.5% of 365 monitored days in the Good band, driven mainly by PM2.5.
- 48
- median AQI · Good
- 54.5%
- days rated Good
- PM2.5
- main pollutant
- 9%
- cleaner than US counties
2 days reached Unhealthy or worse; the worst single reading hit AQI 166.
Annual release change
What changed in the 2025 EPA annual release
- Muscogee County's peak single-day AQI rose from 127 to 166 between the 2024 and 2025 EPA annual releases, a change of +39 points.
- Muscogee County's Unhealthy-category days rose from 0 to 2 between the 2024 and 2025 EPA annual releases, a change of +2 days.
- Muscogee County's Good-day share rose from 52.7% to 54.5% between the 2024 and 2025 EPA annual releases, a change of +1.8 percentage points.
Data updated August 2026
- Good · 199 d · 54.5%
- Moderate · 161 d · 44.1%
- USG · 3 d · 0.8%
- Unhealthy · 2 d · 0.5%
How did Muscogee County's air break down in 2025?
Across 365 monitored days, 199 fell in the Good band (AQI 0–50) and 2 reached Unhealthy or worse. The worst single day peaked at AQI 166 (Unhealthy).
EPA AQS →Air quality data from EPA Air Quality System (2025). 365 days monitored. Median AQI: 48 (Good).
Insights: Muscogee County, Georgia. EPA monitors recorded a median Air Quality Index of 48 across 365 measured days in 2025, earning a Good classification and a Moderate health grade. Of those days, 199 (55%) fell in the Good band (AQI 0–50), 161 (44%) registered Moderate readings, and 3 (1%) reached Unhealthy for Sensitive Groups. The 90th-percentile AQI settled at 65, while the worst single-day peak hit 166 (Unhealthy). Residents averaged about 16.4 clean-air days per 30-day window during the monitoring year.
The full pollutant mix ranks as PM2.5 (311 days), Ozone (54 days). Across the 2020–2025 trend window, the share of monitored days rated Good shifted by -15.7 points and the median AQI moved +6 points, placing the multi-year trajectory at worsening. The annual record contains 2 days at Unhealthy or worse. On those days, the EPA recommends that sensitive groups limit prolonged outdoor exertion. Nearby counties show comparable readings: Bibb (42.7% good, AQI 52); Charlton (92.6% good, AQI 27); Chatham (58.6% good, AQI 47); Chattooga (96.3% good, AQI 39); Clarke (57.8% good, AQI 46); Clayton (54.1% good, AQI 48).
Air Quality Summary
Good Days
54.5%
199 of 365 monitored days
-20.5pp vs 75% target
Max AQI Recorded
166
Unhealthy
Health Grade
Moderate
90th-pct AQI 65
Muscogee County, Good days share 54.5%
National avg
Share of monitored days at AQI 0-50 (Good band).
Muscogee County, Unhealthy-or-worse share 5.5%
National avg
Share of monitored days above AQI 150 (Unhealthy or worse). Bar maxes at 10% (worst-county ceiling).
AQI Day Breakdown (2025)
Distribution of 365 monitored days across EPA AQI categories.
Good
199
55%
Moderate
161
44%
USG
3
1%
Unhealthy
2
1%
Very Unhealthy
0
0%
Hazardous
0
0%
Pollutant Breakdown
Days where each pollutant was the primary driver of AQI readings in Muscogee County.
- PM2.5 · 311 days · 85.2%
- Ozone · 54 days · 14.8%
Health Impact Assessment
Moderate
Muscogee County's air quality is rated Moderate based on 54.5% good air days. There were 2 unhealthy days in 2025 when outdoor activity should be limited.
Air quality is acceptable most days, but 3 days reached "Unhealthy for Sensitive Groups" (AQI 101-150) and peak AQI reached 166. Sensitive groups should monitor real-time conditions at AirNow.gov.
The dominant pollutant is PM2.5, driving AQI on 311 of 365 monitored days.
5-Year Air Quality Trend
Air quality is worsening in Muscogee County. Highest Good-day share: 2020 (70.2%, 257 of 366 monitored days).
| Year | Good | Moderate | USG | Unhealthy | Median AQI | Max AQI |
|---|---|---|---|---|---|---|
| 2020 | 257 | 108 | 1 | 0 | 42 | 101 |
| 2021 | 233 | 118 | 1 | 1 | 43 | 155 |
| 2022 | 214 | 149 | 2 | 0 | 45 | 149 |
| 2023 | 154 | 208 | 2 | 1 | 52 | 154 |
| 2024 | 193 | 166 | 7 | 0 | 49 | 127 |
| 2025 | 199 | 161 | 3 | 2 | 48 | 166 |
How does Muscogee County compare?
How Muscogee County compares
Good-day share worse than typical
Muscogee County 54.5%
Adair County, Oklahoma 55.8%
Typical US county 76.0%
Median AQI worse than typical
Muscogee County 48
Adair County, Oklahoma 48
Typical US county 39
Unhealthy days / yr worse than typical
Muscogee County 2
Adair County, Oklahoma 2
Typical US county 1
Counties with a similar median AQI
Nationwide peers within about the same annual median AQI as Muscogee County (48), not geographic neighbors.
Adair County, Oklahoma
Median AQI 48 · 55.8% Good-day share
Arapahoe County, Colorado
Median AQI 48 · 58.1% Good-day share
Arkansas County, Arkansas
Median AQI 48 · 52.9% Good-day share
Ashley County, Arkansas
Median AQI 48 · 55.7% Good-day share
Boulder County, Colorado
Median AQI 48 · 58.4% Good-day share
Bowie County, Texas
Median AQI 48 · 55.0% Good-day share
Same primary pollutant: PM2.5
PM2.5 led the AQI on the most monitored days here. These peers share that driver and the closest Good-day share (a second relationship type beyond median-AQI neighbors).
Lincoln County, Montana
54.4% Good-day share · median AQI 45
Fulton County, Georgia
54.3% Good-day share · median AQI 49
Clayton County, Georgia
54.1% Good-day share · median AQI 48
Spartanburg County, South Carolina
55.1% Good-day share · median AQI 48
Ottawa County, Oklahoma
53.7% Good-day share · median AQI 49
Beaver County, Pennsylvania
55.6% Good-day share · median AQI 46
Georgia counties on the map
Geographic containment only, other monitored counties in Georgia, independent of AQI or pollutant match.
What Muscogee County's air means for you
On most days the air here is fine, but PM2.5 drives 2 unhealthy-or-worse days a year that sensitive groups should plan around.
- Sensitive groups (asthma, heart conditions, children, older adults) should check the AQI on high-PM2.5 days, the guide explains what a median of 48 means for exposure. Health guidance
- See how Muscogee County ranks against every monitored U.S. county on Good-day share. County rankings
- Compare Muscogee County with its Georgia neighbours before drawing a conclusion about the region. All of Georgia
Based on 365 EPA-monitored days in 2025; figures reflect only days the monitors reported. Source: EPA Air Quality System annual summaries.
Keep exploring the annual AQI record
Air-quality reading list
Frequently Asked Questions
What is the air quality in Muscogee County, Georgia? ▼
Muscogee County has a median Air Quality Index (AQI) of 48, rated "Good." 54.5% of monitored days (199 out of 365) had good air quality in 2025.
What is the main pollutant in Muscogee County? ▼
The primary pollutant in Muscogee County is Fine Particles (PM2.5), which was the main AQI driver on 311 days (85% of monitored days). Penetrates deep into lungs and bloodstream. Linked to heart disease and premature death.
How many unhealthy air days does Muscogee County have? ▼
In 2025, Muscogee County recorded 2 unhealthy air days (2 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 166.
Is the air quality in Muscogee County getting better or worse? ▼
Air quality in Muscogee County is worsening across floor-qualifying years (2020-2025); years with fewer than 100 monitored days are excluded from that direction. Highest qualifying Good-day share: 2020 at 70.2% (257 of 366 days). Lowest qualifying Good-day share: 2023 at 42.2% (154 of 365 days).
What does AQI 48 mean for health? ▼
Muscogee County's median AQI of 48 falls in the "Good" category. See the AQI category guide for what each range means for health.
How does Muscogee County compare to other counties in Georgia? ▼
Muscogee County has 54.5% good air days. Nearby counties in Georgia: Bibb (42.7% good), Charlton (92.6% good), Chatham (58.6% good), Chattooga (96.3% good), Clarke (57.8% good), Clayton (54.1% good).
What is the 90th percentile AQI in Muscogee County? ▼
The 90th percentile AQI for Muscogee County is 65, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 166 (Unhealthy).
Data Sources
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. Spotted a figure that looks wrong? Report a correction.
Source: U.S. EPA Air Quality System (AQS) Annual AQI by county summary files for Muscogee County, Georgia · 2020–2025
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Every figure on PlainAirData 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.