Metro area air quality · 2025

Lawrence, KS

Median AQI 37 (Good). 92.9% of monitored days rated Good across this metro's EPA monitoring network.

37
Median AQI
92.9%
Good-air days
0
Unhealthy days
91%
Cleaner than US metros

Lawrence, KS posted a 2025 median AQI of 37 (Good) with 92.9% Good days

According to the U.S. EPA Air Quality System, the Lawrence, KS CBSA recorded a median AQI of 37 across 283 monitored days in 2025, with 92.9% 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 Lawrence, KS CBSA's 92.9% Good-day share places it cleaner than 91% of US metros in 2025.
Closest median-AQI peer
Alexandria, LA (73.7% Good, median AQI 37) is the closest nationwide median-AQI peer to Lawrence, KS.
Median AQI
Median AQI: 37
Good days
Good days: 92.9%

Aggregated from EPA Air Quality System (2025), 283 monitored days. EPA AQS →

The verdict

Lawrence, KS sits in the upper Good-day tercile among EPA CBSA metros on this site (92.9% of 283 monitored days). On the EPA scale the metro runs good, among the cleanest 10% of US metros, with a median AQI of 37 and 92.9% of 283 monitored days in the Good band.

37
median AQI · Good
92.9%
days rated Good
91%
cleaner than US metros
101
worst single reading

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

Lawrence, KS sits in the upper Good-day tercile among EPA CBSA metros on this site (92.9% of 283 monitored days). Signature read: 92.9% 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 37 over 283 measured days in 2025 (Good / Excellent). The monitored-day split lands at 263 Good (93%), 19 Moderate (7%), and 1 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 49; the highest single-day reading hit 101 (USG).

Across 2025–2025, Good-day share shifted an amount the record cannot support and median AQI moved +0 (tracked). No Unhealthy-tier days appear in this annual dataset. Metros with comparable AQI profiles include Alexandria, LA (73.7% good, AQI 37); Athens, TN (78.2% good, AQI 37); Bennington, VT (83.6% good, AQI 37).

Best and worst city air quality →

Air Quality Summary

Median AQI

37

Good

Good Days

92.9%

263 of 283 days

Max AQI

101

USG

Health Grade

Excellent

90th pct: 49

AQI Day Breakdown (2025)

Distribution of 283 monitored days across EPA AQI categories.

Good

263

93%

Moderate

19

7%

USG

1

0%

Unhealthy

0

0%

Very Unhealthy

0

0%

Hazardous

0

0%

Health Impact Assessment

Excellent

The Lawrence, KS metro area's air quality is rated Excellent based on 92.9% 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 Lawrence, KS metro compare?

How Lawrence, KS compares

Good-day share better than typical
Lawrence, KS 92.9%
Alexandria, LA 73.7%
Typical US metro 70.6%
Median AQI better than typical
Lawrence, KS 37
Alexandria, LA 37
Typical US metro 41
Unhealthy days / yr better than typical
Lawrence, KS 0
Alexandria, LA 0
Typical US metro 1

Metros with a similar median AQI

CBSA peers nationwide whose annual median AQI sits near Lawrence, KS (37).

Alexandria, LA

Median AQI 37 · 73.7% Good-day share

37

Athens, TN

Median AQI 37 · 78.2% Good-day share

37

Bennington, VT

Median AQI 37 · 83.6% Good-day share

37

Blacksburg-Christiansburg-Radford, VA

Median AQI 37 · 94.4% Good-day share

37

Cadillac, MI

Median AQI 37 · 86.0% Good-day share

37

Chambersburg-Waynesboro, PA

Median AQI 37 · 91.5% Good-day share

37

Metros with similar unhealthy-day exposure

A second relationship type: metros whose unhealthy-or-worse day count is closest to Lawrence, KS'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 Lawrence, KS have? ▼
In 2025, the Lawrence, KS metro area recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 101.
What is the air quality in the Lawrence, KS metro area? ▼
The Lawrence, KS metro area has a median Air Quality Index (AQI) of 37, rated "Good." 92.9% of monitored days (263 out of 283) had good air quality in 2025.
Is air quality in Lawrence, KS getting better or worse? ▼
Insufficient floor-qualifying trend data is available for the Lawrence, KS metro area (need ≥100 monitored days in at least two years).
What does AQI 37 mean for health? ▼
An AQI of 37 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 Lawrence, KS compare to other metro areas? ▼
The Lawrence, KS metro has 92.9% good air days. Similar metros: Alexandria, LA (73.7% good), Athens, TN (78.2% good), Bennington, VT (83.6% good).
What is the 90th percentile AQI for Lawrence, KS? ▼
The 90th percentile AQI for the Lawrence, KS metro area is 49, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 101 (USG).

Data Sources

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