Metro area air quality · 2025

Cleveland, MS

Median AQI 43 (Good). 71.9% of monitored days rated Good across this metro's EPA monitoring network.

Compiled by PlainAirData · August 23, 2026

43
Median AQI: 71.9%
Good-air days: 0
Unhealthy days: 48%
Cleaner than US metros

Cleveland, MS posted a 2025 median AQI of 43 (Good) with 71.9% Good days

According to the U.S. EPA Air Quality System, the Cleveland, MS CBSA recorded a median AQI of 43 across 359 monitored days in 2025, with 71.9% 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 Cleveland, MS CBSA's 71.9% Good-day share places it cleaner than 48% of US metros in 2025.
Closest median-AQI peer: Ashtabula, OH (81.2% Good, median AQI 43) is the closest nationwide median-AQI peer to Cleveland, MS.
2020–2025 Good-day shift: Cleveland, MS's Good-day share moved +7.7 points from 2020 to 2025 (median AQI -3).
Median AQI: Median AQI: 43

Aggregated from EPA Air Quality System (2025), 359 monitored days. EPA AQS →

The verdict

Cleveland, MS's peak reading 88 stays in the lower max-AQI tercile on this extract. On the EPA scale the metro runs good, more polluted than the median US metro, with a median AQI of 43 and 71.9% of 359 monitored days in the Good band.

43
median AQI · Good: 71.9%
days rated Good: 48%
cleaner than US metros: 88
worst single reading

No day crossed into the Unhealthy tier across the metro's monitors in 2025.

Cleveland, MS metro's Good-day share rose from 66.4% to 71.9% between the 2024 and 2025 EPA annual releases, a change of +5.5 percentage points.
Cleveland, MS metro's peak single-day AQI fell from 98 to 88 between the 2024 and 2025 EPA annual releases, a change of -10 points.

Cleveland, MS's peak reading 88 stays in the lower max-AQI tercile on this extract. Signature read: peak AQI 88 (low tercile vs CBSA corpus). Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 43 over 359 measured days in 2025 (Good / Moderate). The monitored-day split lands at 258 Good (72%), 101 Moderate (28%), and 0 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 58; the highest single-day reading hit 88 (Moderate).

Across 2020–2025, Good-day share shifted +7.7 points and median AQI moved -3 (improving). No Unhealthy-tier days appear in this annual dataset. Metros with comparable AQI profiles include Ashtabula, OH (81.2% good, AQI 43); Bloomington, IN (67.7% good, AQI 43); Champaign-Urbana, IL (65.8% good, AQI 43).

Understanding AQI →

Air Quality Summary

Median AQI

Good

Good Days

71.9%

258 of 359 days

Max AQI

Moderate

Health Grade

Moderate

90th pct: 58

AQI Day Breakdown (2025)

Distribution of 359 monitored days across EPA AQI categories.

Good

258

72%

Moderate

101

28%

USG

Unhealthy

Very Unhealthy

Hazardous

Health Impact Assessment

Moderate

The Cleveland, MS metro area's air quality is rated Moderate based on 71.9% good air days. No unhealthy air days were recorded in 2025.

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

How does the Cleveland, MS metro compare?

How Cleveland, MS compares

Compare against

Good-day share better than typical

Cleveland, MS 71.9%

Ashtabula, OH 81.2%

Typical US metro 70.6%

Median AQI worse than typical

Cleveland, MS 43

Ashtabula, OH 43

Typical US metro 41

Unhealthy days / yr better than typical

Cleveland, MS 0

Ashtabula, OH 0

Typical US metro 1

5-Year Air Quality Trend

Air quality is improving in the Cleveland, MS metro. Highest Good-day share: 2025 (71.9%, 258 of 359 monitored days).

Year	Good	Moderate	Median AQI	Max AQI
2020	233	130	46	87
2021	236	124	44	90
2022	234	131	44	93
2023	162	198	52	126
2024	243	123	44	98
2025	258	101	43	88

Metros with a similar median AQI

CBSA peers nationwide whose annual median AQI sits near Cleveland, MS (43).

Ashtabula, OH

Median AQI 43 · 81.2% Good-day share

Bloomington, IN

Median AQI 43 · 67.7% Good-day share

Champaign-Urbana, IL

Median AQI 43 · 65.8% Good-day share

Columbus, IN

Median AQI 43 · 72.6% Good-day share

Durham-Chapel Hill, NC

Median AQI 43 · 71.5% Good-day share

Elizabethtown-Fort Knox, KY

Median AQI 43 · 73.4% Good-day share

Metros with similar unhealthy-day exposure

A second relationship type: metros whose unhealthy-or-worse day count is closest to Cleveland, MS's 0 (independent of median AQI).

Aberdeen, SD

0 unhealthy-or-worse days · median AQI 27

Aberdeen, WA

0 unhealthy-or-worse days · median AQI 22

Adrian, MI

0 unhealthy-or-worse days · median AQI 41

Akron, OH

0 unhealthy-or-worse days · median AQI 45

Albany, GA

0 unhealthy-or-worse days · median AQI 46

Albany, OR

0 unhealthy-or-worse days · median AQI 27

Frequently Asked Questions

What is the 90th percentile AQI for Cleveland, MS? ▼

The 90th percentile AQI for the Cleveland, MS metro area is 58, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 88 (Moderate).

How many unhealthy air days does Cleveland, MS have? ▼

In 2025, the Cleveland, MS metro area recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 88.

What is the air quality in the Cleveland, MS metro area? ▼

The Cleveland, MS metro area has a median Air Quality Index (AQI) of 43, rated "Good." 71.9% of monitored days (258 out of 359) had good air quality in 2025.

Is air quality in Cleveland, MS getting better or worse? ▼

Air quality in the Cleveland, MS metro is improving across floor-qualifying years (2020-2025); years with fewer than 100 monitored days are excluded from that direction. Highest qualifying Good-day share: 2025 at 71.9% (258 of 359 days). Lowest qualifying Good-day share: 2023 at 45.0% (162 of 360 days).

What does AQI 43 mean for health? ▼

An AQI of 43 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 Cleveland, MS compare to other metro areas? ▼

The Cleveland, MS metro has 71.9% good air days. Similar metros: Ashtabula, OH (81.2% good), Bloomington, IN (67.7% good), Champaign-Urbana, IL (65.8% good).

Data Sources

Primary Source: U.S. Environmental Protection Agency (EPA), Air Quality System (AQS), Annual AQI by CBSA dataset for Cleveland, MS, 2025. 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, Cleveland, MS · 2020–2025 Accessed 2026-07-06