Median AQI
38
Good
Georgia · County air quality · 2025
Floyd County, Georgia
Median AQI 38 (Good). 72.0% of monitored days rated Good, direct from EPA Air Quality System stations.
- 38
- Median AQI
- 72.0%
- Good-air days
- 0
- Unhealthy days
- 35%
- Cleaner than US counties
The verdict
According to EPA Air Quality System monitoring data, Floyd County's air is good on balance, more polluted than the median US county, a median AQI of 38 with 72.0% of 236 monitored days in the Good band, driven mainly by PM2.5.
- 38
- median AQI · Good
- 72.0%
- days rated Good
- PM2.5
- main pollutant
- 35%
- cleaner than US counties
Not one day crossed into the Unhealthy tier; the worst single reading was AQI 78.
Data updated July 2026
- Good · 170 d · 72.0%
- Moderate · 66 d · 28.0%
How did Floyd County's air break down in 2025?
Across 236 monitored days, 170 fell in the Good band (AQI 0–50) and 0 reached Unhealthy or worse. The worst single day peaked at AQI 78 (Moderate).
EPA AQS →Air quality data from EPA Air Quality System (2025). 236 days monitored. Median AQI: 38 (Good).
Insights: Floyd County, Georgia. EPA monitors recorded a median Air Quality Index of 38 across 236 measured days in 2025, earning a Good classification and a Moderate health grade. Of those days, 170 (72%) fell in the Good band (AQI 0–50), 66 (28%) registered Moderate readings, and 0 (0%) reached Unhealthy for Sensitive Groups. The 90th-percentile AQI settled at 58, while the worst single-day peak hit 78 (Moderate). Residents averaged about 21.6 clean-air days per 30-day window during the monitoring year.
The full pollutant mix ranks as PM2.5 (236 days). Across the 2020–2025 trend window, good days shifted by -38 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 78, moderate but never Unhealthy. 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
Good Days
72.0%
170 of 236 monitored days
-3.0pp vs 75% target
Max AQI Recorded
78
Moderate
Health Grade
Moderate
90th-pct AQI 58
Floyd County, Good days share 72.0%
National avg
Share of monitored days at AQI 0-50 (Good band).
Floyd County, Unhealthy-or-worse share 0.0%
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 236 monitored days across EPA AQI categories.
Good
170
72%
Moderate
66
28%
USG
0
0%
Unhealthy
0
0%
Very Unhealthy
0
0%
Hazardous
0
0%
Pollutant Breakdown
Days where each pollutant was the primary driver of AQI readings in Floyd County.
- PM2.5 · 236 days · 100.0%
Health Impact Assessment
Moderate
Floyd County's air quality is rated Moderate based on 72.0% good air days. No unhealthy air days were recorded in 2025.
Air quality was acceptable on 72.0% of monitored days in 2025, with a median AQI of 38. Unusually sensitive people can check real-time conditions at AirNow.gov during high-pollution events.
The dominant pollutant is PM2.5, driving AQI on 236 of 236 monitored days.
5-Year Air Quality Trend
Air quality is improving in Floyd County. Best year: 2024 (256 good days).
| Year | Good | Moderate | USG | Unhealthy | Median AQI | Max AQI |
|---|---|---|---|---|---|---|
| 2020 | 208 | 119 | 0 | 0 | 42 | 82 |
| 2021 | 234 | 118 | 2 | 0 | 38 | 141 |
| 2022 | 256 | 100 | 0 | 0 | 37 | 84 |
| 2023 | 184 | 137 | 1 | 0 | 46 | 110 |
| 2024 | 256 | 105 | 0 | 0 | 38 | 89 |
| 2025 | 170 | 66 | 0 | 0 | 38 | 78 |
How does Floyd County compare?
How Floyd County compares
Good-day share worse than US avg
Floyd County 72.0%
Bibb County, Georgia 49.5%
US average 76.5%
Median AQI about average
Floyd County 38
Bibb County, Georgia 51
US average 38
Unhealthy days / yr about average
Floyd County 0
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 Floyd County.
Adams County, Illinois
AQI 38 · 94.4% good
Anoka County, Minnesota
AQI 38 · 82.1% good
Atlantic County, New Jersey
AQI 38 · 79.6% good
Avery County, North Carolina
AQI 38 · 93.9% good
Barnstable County, Massachusetts
AQI 38 · 92.5% good
Bay County, Michigan
AQI 38 · 71.8% good
What Floyd County's air means for you
The air here stays in the breathable range year-round, with PM2.5 the main thing to watch.
- Sensitive groups (asthma, heart conditions, children, older adults) should check the AQI on high-PM2.5 days, the guide explains what a median of 38 means for exposure. Health guidance
- See how Floyd County ranks against every monitored U.S. county on Good-day share. County rankings
- Compare Floyd County with its Georgia neighbours before drawing a conclusion about the region. All of Georgia
Based on 236 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 Floyd County, Georgia? ▼
Floyd County has a median Air Quality Index (AQI) of 38, rated "Good." 72.0% of monitored days (170 out of 236) had good air quality in 2025.
What is the main pollutant in Floyd County? ▼
The primary pollutant in Floyd County is Fine Particles (PM2.5), which was the main AQI driver on 236 days (100% of monitored days). Penetrates deep into lungs and bloodstream. Linked to heart disease and premature death.
How many unhealthy air days does Floyd County have? ▼
In 2025, Floyd County recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 78.
Is the air quality in Floyd County getting better or worse? ▼
Air quality in Floyd County is improving based on 5-year trends (2020-2025). Best year: 2024 with 256 good days. Worst year: 2025 with 170 good days.
What does AQI 38 mean for health? ▼
Floyd County's median AQI of 38 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 Floyd County compare to other counties in Georgia? ▼
Floyd County has 72.0% 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 Floyd County? ▼
The 90th percentile AQI for Floyd County is 58, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 78 (Moderate).
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.