Georgia · County air quality · 2025

Coffee County, Georgia

Median AQI 44 (Good). 67.7% of monitored days rated Good, direct from EPA Air Quality System stations.

44
Median AQI
67.7%
Good-air days
0
Unhealthy days
27%
Cleaner than US counties

Coffee County's 2025 annual median AQI is 44 (Good), with 67.7% Good days

According to the U.S. EPA Air Quality System, Coffee County, Georgia posted a 2025 median AQI of 44 (Good) across 365 monitored days, with 67.7% rated Good and 0 unhealthy or worse. This is an annual comparison, not today's advisory.

Data source EPA Air Quality System (AQS)

Cleaner than US
Coffee County's 67.7% Good-day share places it cleaner than 27% of US counties in 2025.
Closest median-AQI peer
Allegan County (63.9% Good, median AQI 44) is the closest nationwide median-AQI peer to Coffee County.
2020–2025 trend
Coffee County's floor-qualifying Good-day share is worsening from 2020 to 2025 (82.5% → 67.7%).
Median AQI
Median AQI: 44

According to the 2025 EPA AQS county release on PlainAirData, Coffee County, Georgia ranks #680 of 951 by median AQI (44) and #691 by good-day share (67.7%). Ponce County, Puerto Rico is #1 of 951 by median AQI (3, 91.4% Good days) at good-day-share #159 ≠ largest of 7 at 100.0% Good days #1 by good-day share (100.0%, median AQI 9) at median-AQI #7.

Annual release change

What changed in the 2025 EPA annual release

2024 → 2025
  • Coffee County's peak single-day AQI fell from 137 to 98 between the 2024 and 2025 EPA annual releases, a change of -39 points.

Compared against 356 monitored days in 2024 and 365 in 2025. These are arithmetic differences between two stored EPA annual summaries, not a cause claim or a live advisory.

National release changes Two-year CSV

Data updated August 2026

Coffee 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 365 monitored days G M Median AQI 44 0 50 100 150 200 300 500 Coffee County
  • Good · 247 d · 67.7%
  • Moderate · 118 d · 32.3%

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

Across 365 monitored days, 247 fell in the Good band (AQI 0–50) and 0 reached Unhealthy or worse. The worst single day peaked at AQI 98 (Moderate).

EPA AQS →
Coffee County, Good days share 67.7%
National avg

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

Coffee 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).

Where Coffee County sits nationally

COUNT-derived placement among 951 US counties with at least 100 monitored days in 2025. Coffee County's Good-day share is 67.7% - cleaner than 27% of that comparison set.

Coffee County Good-day share vs. every US county

Share of monitored days in the Good band (AQI 0–50) - EPA AQS annual release

67.7% 27th percentile higher than 27% of 951 US counties

0.0%–5.0%: 0 US counties (0%). Below this entry. 5.0%–10.0%: 1 US counties (0%). Below this entry. 10.0%–15.0%: 4 US counties (0%). Below this entry. 15.0%–20.0%: 4 US counties (0%). Below this entry. 20.0%–25.0%: 1 US counties (0%). Below this entry. 25.0%–30.0%: 5 US counties (1%). Below this entry. 30.0%–35.0%: 9 US counties (1%). Below this entry. 35.0%–40.0%: 4 US counties (0%). Below this entry. 40.0%–45.0%: 16 US counties (2%). Below this entry. 45.0%–50.0%: 16 US counties (2%). Below this entry. 50.0%–55.0%: 32 US counties (3%). Below this entry. 55.0%–60.0%: 50 US counties (5%). Below this entry. 60.0%–65.0%: 77 US counties (8%). Below this entry. 65.0%–70.0%: 93 US counties (10%). This entry sits in this band. 70.0%–75.0%: 109 US counties (11%). Above this entry. 75.0%–80.0%: 114 US counties (12%). Above this entry. 80.0%–85.0%: 123 US counties (13%). Above this entry. 85.0%–90.0%: 99 US counties (10%). Above this entry. 90.0%–95.0%: 117 US counties (12%). Above this entry. 95.0%–100.0%: 70 US counties (7%). Above this entry. 100.0%–105.0%: 7 US counties (1%). Above this entry. This county 0.0% 100% every floor-qualified US county, bucketed by value

Each bar is a band; taller bars hold more US counties. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Environmental Protection Agency, Air Quality System (AQS) · 2025

Pollutant Breakdown

Days where each pollutant was the primary driver of AQI readings in Coffee County.

Coffee 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 · 100.0% 0% 25% 50% 75% 100% Coffee County, Georgia · 365 monitored days Criteria pollutant column
  • PM2.5 · 365 days · 100.0%

2024 daily-monitor rhythm in Coffee County

Month-by-month median AQI from EPA day-level county monitors (356 reported days in 2024). Feb posted the highest typical readings (median AQI 53, peak 137); Jan was cleanest at median 32. Summer months (Jun–Aug) averaged median AQI 46 vs 42 in Dec–Feb.

0 10 20 30 40 50 60 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 32 53 41 45 46 48 46 44 43 45 37 42
Coffee County median daily AQI by calendar month (2024, EPA daily county file)

Five-year seasonal record

EPA day-level county files · 2020–2024

902 daily readings show a recurring local pattern: Jun has the highest matched-month median AQI (43), while Jan is lowest (32). Each cell is that month’s median daily AQI, not a current-air forecast.

JanFebMarAprMayJunJulAugSepOctNovDec
2020 232850362937393529323640
2021 342435363628404138344251
2022 394833384550282835443329
2023 325230364150494141374938
2024 325341454648464443453742

Lower AQI is better. The colors summarize EPA AQI bands; gaps mean the county had no day-level record for that month.

Health Impact Assessment

Moderate

Coffee County's air quality is rated Moderate based on 67.7% good air days. No unhealthy air days were recorded in 2025.

Air quality was acceptable on 67.7% of monitored days in 2025, with a median AQI of 44. Unusually sensitive people can check real-time conditions at AirNow.gov during high-pollution events.

The dominant pollutant is PM2.5, driving AQI on 365 of 365 monitored days.

5-Year Air Quality Trend

Air quality is worsening in Coffee County. Highest Good-day share: 2020 (82.5%, 99 of 120 monitored days).

Year Good Moderate USG Unhealthy Median AQI
2020 99 20 1 0 33
2021 91 25 0 0 35
2022 94 25 0 0 36
2023 128 62 1 0 41
2024 240 115 1 0 43
2025 247 118 0 0 44

How does Coffee County compare?

How Coffee County compares

Good-day share worse than typical
Coffee County 67.7%
Allegan County, Michigan 63.9%
Typical US county 76.0%
Median AQI worse than typical
Coffee County 44
Allegan County, Michigan 44
Typical US county 39
Unhealthy days / yr better than typical
Coffee County 0
Allegan County, Michigan 2
Typical US county 1

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 Coffee County, Georgia · 2020–2025

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Download this county's annual AQI row as CSV , with the same EPA fields and denominator shown on this page.

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.