Metro area air quality · 2025

Tupelo, MS

Median AQI 38 (Good). 95.0% of monitored days rated Good across this metro's EPA monitoring network.

38
Median AQI
95.0%
Good-air days
0
Unhealthy days
95%
Cleaner than US metros

Tupelo, MS posted a 2025 median AQI of 38 (Good) with 95.0% Good days

According to the U.S. EPA Air Quality System, the Tupelo, MS CBSA recorded a median AQI of 38 across 242 monitored days in 2025, with 95.0% 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 Tupelo, MS CBSA's 95.0% Good-day share places it cleaner than 95% of US metros in 2025.
Closest median-AQI peer
Appleton, WI (72.3% Good, median AQI 38) is the closest nationwide median-AQI peer to Tupelo, MS.
2020–2025 Good-day shift
Tupelo, MS's Good-day share moved -4.5 points from 2020 to 2025 (median AQI +3).
Median AQI
Median AQI: 38

Aggregated from EPA Air Quality System (2025), 242 monitored days. EPA AQS →

The verdict

Tupelo, MS sits in the upper Good-day tercile among EPA CBSA metros on this site (95.0% of 242 monitored days). On the EPA scale the metro runs good, among the cleanest 10% of US metros, with a median AQI of 38 and 95.0% of 242 monitored days in the Good band.

38
median AQI · Good
95.0%
days rated Good
95%
cleaner than US metros
64
worst single reading

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

Annual release change

What changed in the 2025 EPA annual release

2024 → 2025
  • Tupelo, MS metro's Good-day share rose from 88.9% to 95.0% between the 2024 and 2025 EPA annual releases, a change of +6.2 percentage points.
  • Tupelo, MS metro's peak single-day AQI fell from 87 to 64 between the 2024 and 2025 EPA annual releases, a change of -23 points.
  • Tupelo, MS metro's median AQI fell from 41 to 38 between the 2024 and 2025 EPA annual releases, a change of -3 points.

Compared against 243 monitored days in 2024 and 242 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

Tupelo, MS sits in the upper Good-day tercile among EPA CBSA metros on this site (95.0% of 242 monitored days). Signature read: 95.0% 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 38 over 242 measured days in 2025 (Good / Excellent). The monitored-day split lands at 230 Good (95%), 12 Moderate (5%), and 0 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 48; the highest single-day reading hit 64 (Moderate).

Across 2020–2025, Good-day share shifted -4.5 points and median AQI moved +3 (worsening). No Unhealthy-tier days appear in this annual dataset. Metros with comparable AQI profiles include Appleton, WI (72.3% good, AQI 38); Billings, MT (86.3% good, AQI 38); Burlington-South Burlington, VT (87.7% good, AQI 38).

Best and worst city air quality →

Air Quality Summary

Median AQI

38

Good

Good Days

95.0%

230 of 242 days

Max AQI

64

Moderate

Health Grade

Excellent

90th pct: 48

AQI Day Breakdown (2025)

Distribution of 242 monitored days across EPA AQI categories.

Good

230

95%

Moderate

12

5%

USG

0

0%

Unhealthy

0

0%

Very Unhealthy

0

0%

Hazardous

0

0%

Health Impact Assessment

Excellent

The Tupelo, MS metro area's air quality is rated Excellent based on 95.0% 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 Tupelo, MS metro compare?

How Tupelo, MS compares

Good-day share better than typical
Tupelo, MS 95.0%
Appleton, WI 72.3%
Typical US metro 70.6%
Median AQI better than typical
Tupelo, MS 38
Appleton, WI 38
Typical US metro 41
Unhealthy days / yr better than typical
Tupelo, MS 0
Appleton, WI 6
Typical US metro 1

5-Year Air Quality Trend

Air quality is worsening in the Tupelo, MS metro. Highest Good-day share: 2020 (99.6%, 242 of 243 monitored days).

Year Good Moderate Unhealthy Median AQI
2020 242 1 0 35
2021 232 10 0 36
2022 225 19 0 40
2023 212 31 0 42
2024 216 27 0 41
2025 230 12 0 38

Metros with a similar median AQI

CBSA peers nationwide whose annual median AQI sits near Tupelo, MS (38).

Metros with similar unhealthy-day exposure

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

Frequently Asked Questions

How many unhealthy air days does Tupelo, MS have?
In 2025, the Tupelo, MS metro area recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 64.
What is the air quality in the Tupelo, MS metro area?
The Tupelo, MS metro area has a median Air Quality Index (AQI) of 38, rated "Good." 95.0% of monitored days (230 out of 242) had good air quality in 2025.
Is air quality in Tupelo, MS getting better or worse?
Air quality in the Tupelo, MS metro is worsening across floor-qualifying years (2020-2025); years with fewer than 100 monitored days are excluded from that direction. Highest qualifying Good-day share: 2020 at 99.6% (242 of 243 days). Lowest qualifying Good-day share: 2023 at 87.2% (212 of 243 days).
What does AQI 38 mean for health?
An AQI of 38 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 Tupelo, MS compare to other metro areas?
The Tupelo, MS metro has 95.0% good air days. Similar metros: Appleton, WI (72.3% good), Billings, MT (86.3% good), Burlington-South Burlington, VT (87.7% good).
What is the 90th percentile AQI for Tupelo, MS?
The 90th percentile AQI for the Tupelo, MS metro area is 48, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 64 (Moderate).

Data Sources

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