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.

Compiled by PlainAirData · August 23, 2026

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

Summerville, GA sits in the upper Good-day tercile among EPA CBSA metros on this site (96.3% of 240 monitored days). On the EPA scale the metro runs good, cleaner than the median US metro, with a median AQI of 39 and 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.

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.

Summerville, GA sits in the upper Good-day tercile among EPA CBSA metros on this site (96.3% of 240 monitored days). Signature read: 96.3% Good-day share (high tercile vs CBSA corpus). Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 39 over 240 measured days in 2024 (Good / Excellent). The monitored-day split lands at 231 Good (96%), 9 Moderate (4%), and 0 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 48; the highest single-day reading hit 77 (Moderate).

Across 2020–2024, Good-day share shifted -3.3 points and median AQI moved +7 (worsening). No Unhealthy-tier days appear in this annual dataset. Metros with comparable AQI profiles include Americus, GA (93.4% good, AQI 38); Ada, OK (71.6% good, AQI 43).

Best and worst city air quality →

Air Quality Summary

Median AQI

Good

Good Days

96.3%

231 of 240 days

Max AQI

Moderate

Health Grade

Excellent

90th pct: 48

AQI Day Breakdown (2024)

Distribution of 240 monitored days across EPA AQI categories.

Good

231

96%

Moderate

USG

Unhealthy

Very Unhealthy

Hazardous

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

Compare against

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	Median AQI	Max AQI
2020	244	1	32	58
2021	238	7	33	80
2022	236	9	35	77
2023	225	19	38	100
2024	231	9	39	77

Metros with a similar median AQI

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

Americus, GA

Median AQI 38 · 93.4% Good-day share

Ada, OK

Median AQI 43 · 71.6% Good-day share

Frequently Asked Questions

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.

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.

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.

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).

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).

Data Sources

Primary Source: U.S. Environmental Protection Agency (EPA), Air Quality System (AQS), Annual AQI by CBSA dataset for Summerville, GA, 2024. See our methodology for how AQI, median, and coverage figures are computed.

Read our methodology , how this data is sourced, computed, and verified.

Source: U.S. EPA Air Quality System (AQS) Annual AQI by CBSA summary, Summerville, GA · 2020–2025 Accessed 2026-07-06