Metro area air quality · 2025

Lakeland-Winter Haven, FL

Median AQI 34 (Good). 95.5% of monitored days rated Good across this metro's EPA monitoring network.

34
Median AQI
95.5%
Good-air days
0
Unhealthy days
95%
Cleaner than US metros

Lakeland-Winter Haven, FL posted a 2025 median AQI of 34 (Good) with 95.5% Good days

According to the U.S. EPA Air Quality System, the Lakeland-Winter Haven, FL CBSA recorded a median AQI of 34 across 355 monitored days in 2025, with 95.5% 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 Lakeland-Winter Haven, FL CBSA's 95.5% Good-day share places it cleaner than 95% of US metros in 2025.
Closest median-AQI peer
Arkadelphia, AR (96.7% Good, median AQI 34) is the closest nationwide median-AQI peer to Lakeland-Winter Haven, FL.
2020–2025 Good-day shift
Lakeland-Winter Haven, FL's Good-day share moved +26.5 points from 2020 to 2025 (median AQI -8).
Median AQI
Median AQI: 34

Aggregated from EPA Air Quality System (2025), 355 monitored days. EPA AQS →

The verdict

Lakeland-Winter Haven, FL sits in the upper Good-day tercile among EPA CBSA metros on this site (95.5% of 355 monitored days). On the EPA scale the metro runs good, among the cleanest 10% of US metros, with a median AQI of 34 and 95.5% of 355 monitored days in the Good band.

34
median AQI · Good
95.5%
days rated Good
95%
cleaner than US metros
100
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
  • Lakeland-Winter Haven, FL metro's Good-day share rose from 77.5% to 95.5% between the 2024 and 2025 EPA annual releases, a change of +18.0 percentage points.
  • Lakeland-Winter Haven, FL metro's median AQI fell from 39 to 34 between the 2024 and 2025 EPA annual releases, a change of -5 points.

Compared against 364 monitored days in 2024 and 355 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

Lakeland-Winter Haven, FL sits in the upper Good-day tercile among EPA CBSA metros on this site (95.5% of 355 monitored days). Signature read: 95.5% 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 34 over 355 measured days in 2025 (Good / Excellent). The monitored-day split lands at 339 Good (95%), 16 Moderate (5%), and 0 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 46; the highest single-day reading hit 100 (Moderate).

Across 2020–2025, Good-day share shifted +26.5 points and median AQI moved -8 (improving). No Unhealthy-tier days appear in this annual dataset. Metros with comparable AQI profiles include Arkadelphia, AR (96.7% good, AQI 34); Augusta-Waterville, ME (85.2% good, AQI 34); Beatrice, NE (75.8% good, AQI 34).

Best and worst city air quality →

Air Quality Summary

Median AQI

34

Good

Good Days

95.5%

339 of 355 days

Max AQI

100

Moderate

Health Grade

Excellent

90th pct: 46

AQI Day Breakdown (2025)

Distribution of 355 monitored days across EPA AQI categories.

Good

339

95%

Moderate

16

5%

USG

0

0%

Unhealthy

0

0%

Very Unhealthy

0

0%

Hazardous

0

0%

Health Impact Assessment

Excellent

The Lakeland-Winter Haven, FL metro area's air quality is rated Excellent based on 95.5% 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 Lakeland-Winter Haven, FL metro compare?

How Lakeland-Winter Haven, FL compares

Good-day share better than typical
Lakeland-Winter Haven, FL 95.5%
Arkadelphia, AR 96.7%
Typical US metro 70.6%
Median AQI better than typical
Lakeland-Winter Haven, FL 34
Arkadelphia, AR 34
Typical US metro 41
Unhealthy days / yr better than typical
Lakeland-Winter Haven, FL 0
Arkadelphia, AR 0
Typical US metro 1

5-Year Air Quality Trend

Air quality is improving in the Lakeland-Winter Haven, FL metro. Highest Good-day share: 2025 (95.5%, 339 of 355 monitored days).

Year Good Moderate Unhealthy Median AQI
2020 252 113 0 42
2021 232 133 0 45
2022 264 99 0 44
2023 275 89 0 42
2024 282 82 0 39
2025 339 16 0 34

Metros with a similar median AQI

CBSA peers nationwide whose annual median AQI sits near Lakeland-Winter Haven, FL (34).

Arkadelphia, AR

Median AQI 34 · 96.7% Good-day share

34

Augusta-Waterville, ME

Median AQI 34 · 85.2% Good-day share

34

Beatrice, NE

Median AQI 34 · 75.8% Good-day share

34

Dyersburg, TN

Median AQI 34 · 76.9% Good-day share

34

Erie, PA

Median AQI 34 · 76.7% Good-day share

34

Grand Island, NE

Median AQI 34 · 82.5% Good-day share

34

Metros with similar unhealthy-day exposure

A second relationship type: metros whose unhealthy-or-worse day count is closest to Lakeland-Winter Haven, FL'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, GA

0 unhealthy-or-worse days · median AQI 46

46

Albany, OR

0 unhealthy-or-worse days · median AQI 27

27

Frequently Asked Questions

How many unhealthy air days does Lakeland-Winter Haven, FL have? ▼
In 2025, the Lakeland-Winter Haven, FL metro area recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 100.
What is the air quality in the Lakeland-Winter Haven, FL metro area? ▼
The Lakeland-Winter Haven, FL metro area has a median Air Quality Index (AQI) of 34, rated "Good." 95.5% of monitored days (339 out of 355) had good air quality in 2025.
Is air quality in Lakeland-Winter Haven, FL getting better or worse? ▼
Air quality in the Lakeland-Winter Haven, FL 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 95.5% (339 of 355 days). Lowest qualifying Good-day share: 2021 at 63.6% (232 of 365 days).
What does AQI 34 mean for health? ▼
An AQI of 34 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 Lakeland-Winter Haven, FL compare to other metro areas? ▼
The Lakeland-Winter Haven, FL metro has 95.5% good air days. Similar metros: Arkadelphia, AR (96.7% good), Augusta-Waterville, ME (85.2% good), Beatrice, NE (75.8% good).
What is the 90th percentile AQI for Lakeland-Winter Haven, FL? ▼
The 90th percentile AQI for the Lakeland-Winter Haven, FL metro area is 46, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 100 (Moderate).

Data Sources

Primary Source: U.S. Environmental Protection Agency (EPA), Air Quality System (AQS), Annual AQI by CBSA dataset for Lakeland-Winter Haven, FL, 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, Lakeland-Winter Haven, FL · 2020–2025