Olathe, Kansas, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Olathe, Kansas, United States
AQI Trends: Highest and Lowest
Same Day Analysis (15th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 48 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 15th Sep - 16th Sep 2025
Olathe, Kansas, United States
6 AM15th Sep 2025
7 PM
5 AM16th Sep 2025
57AQI
38AQI
58AQI
42AQI
In the last 24 hours,
Olathe's AQI reached its highest point of 58 at 9 PM during the Night, while the lowest point, 38, was recorded at 8 AM during the Day between 15th Sep and 16th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Olathe, Kansas, United States
30°C23/38°C
30°C23/38°C
30°C24/37°C
27°C22/34°C
26°C20/32°C
24°C17/32°C
25°C19/33°C
21°C15/29°C
20°C15/26°C
19°C9/28°C
20°C13/27°C
21°C17/28°C
21°C13/27°C
23°C16/29°C
20°C19/20°C
22°C18/27°C
22°C17/29°C
22°C13/32°C
20°C15/27°C
15°C11/18°C
17°C10/27°C
18°C11/26°C
18°C11/24°C
20°C14/27°C
22°C17/29°C
24°C16/33°C
26°C18/36°C
28°C20/37°C
26°C20/34°C
27°C20/36°C
--°C/°C
43AQI
43AQI
44AQI
44AQI
2025 Days Vs Air Quality
Olathe, Kansas, United States
79%
136
20%
35
1%
2
Total number of days with different AQI categories in last 259 days in 2025 (106 days remaining)
Under WHO’s Safe Air Quality Limits: 79%
Health Risk Level:
Low
In 2025, 79% of 259 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Olathe, Kansas, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
45AQI
32AQI
29AQI
20AQI
21AQI
22AQI
36AQI
20AQI
26AQI
31AQI
23AQI
38AQI
28AQI
46AQI
34AQI
37AQI
71AQI
61AQI
31AQI
24AQI
59AQI
60AQI
53AQI
32AQI
18AQI
35AQI
25AQI
28AQI
35AQI
36AQI
20AQI
29AQI
46AQI
23AQI
18AQI
24AQI
20AQI
21AQI
24AQI
27AQI
29AQI
29AQI
30AQI
29AQI
28AQI
44AQI
32AQI
32AQI
38AQI
58AQI
34AQI
27AQI
22AQI
28AQI
17AQI
14AQI
17AQI
16AQI
19AQI
28AQI
25AQI
25AQI
23AQI
21AQI
29AQI
29AQI
42AQI
54AQI
32AQI
78AQI
57AQI
52AQI
37AQI
48AQI
57AQI
65AQI
60AQI
54AQI
45AQI
27AQI
33AQI
41AQI
35AQI
28AQI
25AQI
34AQI
41AQI
45AQI
44AQI
42AQI
42AQI
33AQI
24AQI
21AQI
24AQI
24AQI
31AQI
40AQI
40AQI
54AQI
59AQI
55AQI
32AQI
28AQI
25AQI
34AQI
48AQI
41AQI
52AQI
41AQI
39AQI
39AQI
29AQI
34AQI
57AQI
47AQI
39AQI
40AQI
54AQI
41AQI
23AQI
34AQI
45AQI
43AQI
43AQI
36AQI
35AQI
139AQI
113AQI
75AQI
55AQI
54AQI
56AQI
58AQI
56AQI
53AQI
46AQI
32AQI
34AQI
48AQI
56AQI
51AQI
48AQI
41AQI
50AQI
42AQI
33AQI
36AQI
28AQI
41AQI
29AQI
29AQI
28AQI
34AQI
32AQI
40AQI
48AQI
45AQI
37AQI
31AQI
40AQI
77AQI
56AQI
49AQI
41AQI
44AQI
42AQI
48AQI
54AQI
56AQI
55AQI
58AQI
48AQI
29AQI
35AQI
27AQI
41AQI
41AQI
49AQI
49AQI
No. of days
202539AQI
Highest AQI recorded in
August49AQI
Lowest AQI recorded in
May27AQI
Most & Least Polluted Years Over the Last 1 Years
Olathe's annual 2025 AQI (39) shows an average percentage change of NaN% (improved AQI) compared to previous years: .