Metro area air quality · 2024

Summerville, GA

Median AQI 39 (Good). 96.3% of monitored days rated Good across this metro's EPA monitoring network.

39
Median AQI
96.3%
Good-air days
0
Unhealthy days
67%
Cleaner than US metros

Summerville, GA posted a 2024 median AQI of 39 (Good) with 96.3% Good days

According to the U.S. EPA Air Quality System, the Summerville, GA CBSA recorded a median AQI of 39 across 240 monitored days in 2024, with 96.3% rated Good and 0 unhealthy or worse. This is an annual metro comparison, not a live advisory.

Data source EPA Air Quality System (AQS)

Cleaner than US metros
The Summerville, GA CBSA's 96.3% Good-day share places it cleaner than 67% of US metros in 2024.
Closest median-AQI peer
Americus, GA (93.4% Good, median AQI 38) is the closest nationwide median-AQI peer to Summerville, GA.
2020–2024 Good-day shift
Summerville, GA's Good-day share moved -3.3 points from 2020 to 2024 (median AQI +7).
Median AQI
Median AQI: 39

Aggregated from EPA Air Quality System (2024), 240 monitored days. EPA AQS →

The verdict

The Summerville, GA metro runs good on the EPA scale, cleaner than the median US metro, a median AQI of 39 with 96.3% of 240 monitored days in the Good band.

39
median AQI · Good
96.3%
days rated Good
67%
cleaner than US metros
77
worst single reading

No day crossed into the Unhealthy tier across the metro's monitors in 2024.

Annual release change

What changed in the 2024 EPA annual release

2023 → 2024
  • Summerville, GA metro's Good-day share rose from 92.2% to 96.3% between the 2023 and 2024 EPA annual releases, a change of +4.0 percentage points.
  • Summerville, GA metro's peak single-day AQI fell from 100 to 77 between the 2023 and 2024 EPA annual releases, a change of -23 points.

Compared against 244 monitored days in 2023 and 240 in 2024. These are arithmetic differences between two stored EPA annual summaries, not a cause claim or a live advisory.

National release changes Two-year CSV

Insights: Summerville, GA metro. Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 39 over 240 measured days in 2024, which corresponds to a Good band and a Excellent metro-wide health grade. The monitored-day split lands at 231 Good days (96%), 9 Moderate (4%), and 0 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 48 while the highest single-day reading hit 77 (Moderate). Metro residents averaged roughly 28.9 clean-air days per 30-day window across the reporting year.

Across the 2020–2024 trend window, the share of monitored days rated Good shifted by -3.3 points and the median AQI moved +7 points, which classifies the multi-year trajectory as worsening. The metro recorded no Unhealthy-tier days in this annual dataset. Metros with comparable AQI profiles include Americus, GA (93.4% good, AQI 38); Ada, OK (71.6% good, AQI 43).

Air Quality Summary

Median AQI

39

Good

Good Days

96.3%

231 of 240 days

Max AQI

77

Moderate

Health Grade

Excellent

90th pct: 48

AQI Day Breakdown (2024)

Distribution of 240 monitored days across EPA AQI categories.

Good

231

96%

Moderate

9

4%

USG

0

0%

Unhealthy

0

0%

Very Unhealthy

0

0%

Hazardous

0

0%

Health Impact Assessment

Excellent

The Summerville, GA metro area's air quality is rated Excellent based on 96.3% good air days. No unhealthy air days were recorded in 2024.

Air quality is generally acceptable. Unusually sensitive people should monitor real-time conditions at AirNow.gov during high-pollution events.

How does the Summerville, GA metro compare?

How Summerville, GA compares

Good-day share better than typical
Summerville, GA 96.3%
Americus, GA 93.4%
Typical US metro 70.6%
Median AQI better than typical
Summerville, GA 39
Americus, GA 38
Typical US metro 41
Unhealthy days / yr better than typical
Summerville, GA 0
Americus, GA 0
Typical US metro 1

5-Year Air Quality Trend

Air quality is worsening in the Summerville, GA metro. Highest Good-day share: 2020 (99.6%, 244 of 245 monitored days).

Year Good Moderate Unhealthy Median AQI
2020 244 1 0 32
2021 238 7 0 33
2022 236 9 0 35
2023 225 19 0 38
2024 231 9 0 39

Metros with a similar median AQI

CBSA peers nationwide whose annual median AQI sits near Summerville, GA (39).

More Air Quality Data

Explore EPA air quality rankings and guides across U.S. metros and counties.

Air Quality Guides

Frequently Asked Questions

What is the air quality in the Summerville, GA metro area?
The Summerville, GA metro area has a median Air Quality Index (AQI) of 39, rated "Good." 96.3% of monitored days (231 out of 240) had good air quality in 2024.
How many unhealthy air days does Summerville, GA have?
In 2024, the Summerville, GA metro area recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 77.
Is air quality in Summerville, GA getting better or worse?
Air quality in the Summerville, GA metro is worsening across floor-qualifying years (2020-2024); years with fewer than 100 monitored days are excluded from that direction. Highest qualifying Good-day share: 2020 at 99.6% (244 of 245 days). Lowest qualifying Good-day share: 2023 at 92.2% (225 of 244 days).
What does AQI 39 mean for health?
An AQI of 39 is "Good", air quality is satisfactory and poses little or no health risk. This is the best category on the EPA's AQI scale.
What is the 90th percentile AQI for Summerville, GA?
The 90th percentile AQI for the Summerville, GA metro area is 48, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 77 (Moderate).
How does Summerville, GA compare to other metro areas?
The Summerville, GA metro has 96.3% good air days. Similar metros: Americus, GA (93.4% good), Ada, OK (71.6% good).

Data Sources

Primary Source: U.S. Environmental Protection Agency (EPA), Air Quality System (AQS), Annual AQI by CBSA dataset, 2020–2025. See our methodology for how AQI, median, and coverage figures are computed.

Source: U.S. EPA Air Quality System (AQS) Annual AQI by CBSA summary files (metro-level) · 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.