Metro area air quality · 2025

Fort Wayne, IN

Median AQI 46 (Good). 57.0% of monitored days rated Good across this metro's EPA monitoring network.

46
Median AQI
57.0%
Good-air days
0
Unhealthy days
21%
Cleaner than US metros

Fort Wayne, IN posted a 2025 median AQI of 46 (Good) with 57.0% Good days

According to the U.S. EPA Air Quality System, the Fort Wayne, IN CBSA recorded a median AQI of 46 across 365 monitored days in 2025, with 57.0% 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 Fort Wayne, IN CBSA's 57.0% Good-day share places it cleaner than 21% of US metros in 2025.
Closest median-AQI peer
Albany, GA (57.3% Good, median AQI 46) is the closest nationwide median-AQI peer to Fort Wayne, IN.
2020–2025 Good-day shift
Fort Wayne, IN's Good-day share moved +16.3 points from 2020 to 2025 (median AQI -6).
Median AQI
Median AQI: 46

Aggregated from EPA Air Quality System (2025), 365 monitored days. EPA AQS →

The verdict

Fort Wayne, IN lands in the lower Good-day tercile (57.0% Good), a thinner clean-air share than most CBSA peers here. On the EPA scale the metro runs good, among the more polluted US metros, with a median AQI of 46 and 57.0% of 365 monitored days in the Good band.

46
median AQI · Good
57.0%
days rated Good
21%
cleaner than US metros
115
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
  • Fort Wayne, IN metro's Good-day share fell from 59.3% to 57.8% between the 2024 and 2025 EPA annual releases, a change of -1.5 percentage points.
  • Fort Wayne, IN metro's peak single-day AQI rose from 100 to 115 between the 2024 and 2025 EPA annual releases, a change of +15 points.

Compared against 366 monitored days in 2024 and 360 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

Fort Wayne, IN lands in the lower Good-day tercile (57.0% Good), a thinner clean-air share than most CBSA peers here. Signature read: 57.0% Good-day share (low tercile vs CBSA corpus). Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 46 over 365 measured days in 2025 (Good / Moderate). The monitored-day split lands at 208 Good (57%), 152 Moderate (42%), and 5 Unhealthy-for-Sensitive-Groups (1%). The 90th-percentile AQI finished at 70; the highest single-day reading hit 115 (USG).

Across 2020–2025, Good-day share shifted +16.3 points and median AQI moved -6 (improving). No Unhealthy-tier days appear in this annual dataset. Metros with comparable AQI profiles include Albany, GA (57.3% good, AQI 46); Athens-Clarke County, GA (57.8% good, AQI 46); Brookings, SD (58.6% good, AQI 46).

Health effects of air pollution →

Air Quality Summary

Median AQI

46

Good

Good Days

57.0%

208 of 365 days

Max AQI

115

USG

Health Grade

Moderate

90th pct: 70

AQI Day Breakdown (2025)

Distribution of 365 monitored days across EPA AQI categories.

Good

208

57%

Moderate

152

42%

USG

5

1%

Unhealthy

0

0%

Very Unhealthy

0

0%

Hazardous

0

0%

Health Impact Assessment

Moderate

The Fort Wayne, IN metro area's air quality is rated Moderate based on 57.0% 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 Fort Wayne, IN metro compare?

How Fort Wayne, IN compares

Good-day share worse than typical
Fort Wayne, IN 57.0%
Albany, GA 57.3%
Typical US metro 70.6%
Median AQI worse than typical
Fort Wayne, IN 46
Albany, GA 46
Typical US metro 41
Unhealthy days / yr better than typical
Fort Wayne, IN 0
Albany, GA 0
Typical US metro 1

5-Year Air Quality Trend

Air quality is improving in the Fort Wayne, IN metro. Highest Good-day share: 2024 (59.3%, 217 of 366 monitored days).

Year Good Moderate Unhealthy Median AQI
2020 151 213 0 52
2021 190 175 0 49
2022 213 149 0 46
2023 165 190 2 52
2024 217 149 0 47
2025 208 152 0 46

Metros with a similar median AQI

CBSA peers nationwide whose annual median AQI sits near Fort Wayne, IN (46).

Albany, GA

Median AQI 46 · 57.3% Good-day share

46

Athens-Clarke County, GA

Median AQI 46 · 57.8% Good-day share

46

Brookings, SD

Median AQI 46 · 58.6% Good-day share

46

Chico, CA

Median AQI 46 · 65.2% Good-day share

46

Colorado Springs, CO

Median AQI 46 · 68.2% Good-day share

46

Davenport-Moline-Rock Island, IA-IL

Median AQI 46 · 56.7% Good-day share

46

Metros with similar unhealthy-day exposure

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

Aberdeen, SD

0 unhealthy-or-worse days · median AQI 27

27

Aberdeen, WA

0 unhealthy-or-worse days · median AQI 22

22

Adrian, MI

0 unhealthy-or-worse days · median AQI 41

41

Akron, OH

0 unhealthy-or-worse days · median AQI 45

45

Albany, OR

0 unhealthy-or-worse days · median AQI 27

27

Albany-Schenectady-Troy, NY

0 unhealthy-or-worse days · median AQI 41

41

Frequently Asked Questions

How many unhealthy air days does Fort Wayne, IN have? ▼
In 2025, the Fort Wayne, IN metro area recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 115.
What is the air quality in the Fort Wayne, IN metro area? ▼
The Fort Wayne, IN metro area has a median Air Quality Index (AQI) of 46, rated "Good." 57.0% of monitored days (208 out of 365) had good air quality in 2025.
Is air quality in Fort Wayne, IN getting better or worse? ▼
Air quality in the Fort Wayne, IN 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: 2024 at 59.3% (217 of 366 days). Lowest qualifying Good-day share: 2020 at 41.5% (151 of 364 days).
What does AQI 46 mean for health? ▼
An AQI of 46 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 Fort Wayne, IN compare to other metro areas? ▼
The Fort Wayne, IN metro has 57.0% good air days. Similar metros: Albany, GA (57.3% good), Athens-Clarke County, GA (57.8% good), Brookings, SD (58.6% good).
What is the 90th percentile AQI for Fort Wayne, IN? ▼
The 90th percentile AQI for the Fort Wayne, IN metro area is 70, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 115 (USG).

Data Sources

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