Georgia · County air quality · 2025

Muscogee County, Georgia

Median AQI 46 (Good). 59.6% of monitored days rated Good, direct from EPA Air Quality System stations.

46
Median AQI
59.6%
Good-air days
2
Unhealthy days
14%
Cleaner than US counties

The verdict

According to EPA Air Quality System monitoring data, Muscogee County's air is good on balance, among the more polluted 10% of US counties, a median AQI of 46 with 59.6% of 272 monitored days in the Good band, driven mainly by PM2.5.

46
median AQI · Good
59.6%
days rated Good
PM2.5
main pollutant
14%
cleaner than US counties

2 days reached Unhealthy or worse; the worst single reading hit AQI 166.

Data updated July 2026

Muscogee County AQI category distribution Stacked-segment bar showing the share of monitored days that fell in each EPA AQI category, Good, Moderate, USG, Unhealthy, Very Unhealthy, Hazardous, with median AQI marker. AQI category distribution 272 monitored days G M Median AQI 46 0 50 100 150 200 300 500 Muscogee County
  • Good · 162 d · 59.6%
  • Moderate · 105 d · 38.6%
  • USG · 3 d · 1.1%
  • Unhealthy · 2 d · 0.7%

How did Muscogee County's air break down in 2025?

Across 272 monitored days, 162 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). 272 days monitored. Median AQI: 46 (Good).

Insights: Muscogee County, Georgia. EPA monitors recorded a median Air Quality Index of 46 across 272 measured days in 2025, earning a Good classification and a Moderate health grade. Of those days, 162 (60%) fell in the Good band (AQI 0–50), 105 (39%) 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 17.9 clean-air days per 30-day window during the monitoring year.

The full pollutant mix ranks as PM2.5 (206 days), Ozone (66 days). Across the 2020–2025 trend window, good days shifted by -95 and the median AQI moved +4 points, placing the multi-year trajectory at worsening. Residents and visitors experienced 2 unhealthy-or-worse days combined, periods when the EPA recommends sensitive groups limit prolonged outdoor exertion. Nearby counties show comparable readings: Bibb (49.5% good, AQI 51); Charlton (79.0% good, AQI 24); Chatham (66.7% good, AQI 44); Clarke (66.7% good, AQI 44); Clayton (53.1% good, AQI 49); Cobb (92.5% good, AQI 36).

Air Quality Summary

Median AQI

46

Good

Good Days

59.6%

162 of 272 monitored days

-15.4pp vs 75% target

Max AQI Recorded

166

Unhealthy

Health Grade

Moderate

90th-pct AQI 65

Muscogee County, Good days share 59.6%
National avg

Share of monitored days at AQI 0-50 (Good band).

Muscogee County, Unhealthy-or-worse share 0.7%
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 272 monitored days across EPA AQI categories.

Good

162

60%

Moderate

105

39%

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.

Muscogee County, Georgia criteria pollutant distribution Stratified-band visualization showing the share of monitored days each criteria pollutant (PM2.5, PM10, O3, NO2, CO) was the primary AQI driver. PM2.5 · 75.7% Ozone · 24.3% 0% 25% 50% 75% 100% Muscogee County, Georgia · 272 monitored days Criteria pollutant column
  • PM2.5 · 206 days · 75.7%
  • Ozone · 66 days · 24.3%
Fine Particles (PM2.5) 206 days (76%)

How PM2.5 affects health →

Ozone (O3) 66 days (24%)

How Ozone affects health →

Health Impact Assessment

Moderate

Muscogee County's air quality is rated Moderate based on 59.6% 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 206 of 272 monitored days.

5-Year Air Quality Trend

Air quality is worsening in Muscogee County. Best year: 2020 (257 good days).

Year Good Moderate USG Unhealthy Median AQI
2020 257 108 1 0 42
2021 233 118 1 1 43
2022 214 149 2 0 45
2023 154 208 2 1 52
2024 193 166 7 0 49
2025 162 105 3 2 46

How does Muscogee County compare?

How Muscogee County compares

Good-day share worse than US avg
Muscogee County 59.6%
Bibb County, Georgia 49.5%
US average 76.5%
Median AQI worse than US avg
Muscogee County 46
Bibb County, Georgia 51
US average 38
Unhealthy days / yr worse than US avg
Muscogee County 2
Bibb County, Georgia 0
US average 0

Other Counties in Georgia

Air quality comparison for nearby counties in Georgia.

Counties with Similar Air Quality

Counties across the US with a similar median AQI to Muscogee County.

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 46 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 272 EPA-monitored days in 2025; figures reflect only days the monitors reported. Source: EPA Air Quality System annual summaries.

More Air Quality Data

Air Quality Guides

Frequently Asked Questions

What is the air quality in Muscogee County, Georgia?
Muscogee County has a median Air Quality Index (AQI) of 46, rated "Good." 59.6% of monitored days (162 out of 272) 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 206 days (76% 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 based on 5-year trends (2020-2025). Best year: 2020 with 257 good days. Worst year: 2023 with 154 good days.
What does AQI 46 mean for health?
Muscogee County's median AQI of 46 falls in the "Good" category. See the <a href="/guides/understanding-aqi" class="underline">AQI category guide</a> for what each range means for health.
How does Muscogee County compare to other counties in Georgia?
Muscogee County has 59.6% good air days. Nearby counties in Georgia: Bibb (49.5% good), Charlton (79.0% good), Chatham (66.7% good), Clarke (66.7% good), Clayton (53.1% good), Cobb (92.5% 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.

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.