Jeffersontown, Kentucky, 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
Jeffersontown, Kentucky, United States
AQI Trends: Highest and Lowest
Same Day Analysis (23rd September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 41 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 23rd Sep - 24th Sep 2025
Jeffersontown, Kentucky, United States
7 AM23rd Sep 2025
8 PM
6 AM24th Sep 2025
45AQI
40AQI
42AQI
26AQI
In the last 24 hours,
Jeffersontown's AQI reached its highest point of 45 at 2 PM during the Day, while the lowest point, undefined, was recorded at 6 AM during the Night between 23rd Sep and 24th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Jeffersontown, Kentucky, United States
20°C14/24°C
19°C13/24°C
19°C11/25°C
22°C14/29°C
22°C16/29°C
20°C13/28°C
20°C13/28°C
22°C13/30°C
23°C15/31°C
23°C14/31°C
22°C19/25°C
22°C14/29°C
19°C16/23°C
18°C12/24°C
17°C8/26°C
19°C11/27°C
22°C16/30°C
23°C15/31°C
24°C15/32°C
24°C16/33°C
25°C20/31°C
26°C18/34°C
25°C18/33°C
25°C19/32°C
25°C16/33°C
25°C17/33°C
26°C19/34°C
25°C19/31°C
22°C19/27°C
23°C19/30°C
--°C/°C
41AQI
41AQI
41AQI
41AQI
2025 Days Vs Air Quality
Jeffersontown, Kentucky, United States
85%
225
15%
41
Total number of days with different AQI categories in last 267 days in 2025 (98 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2025, 85% of 267 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
Jeffersontown, Kentucky, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
23AQI
25AQI
23AQI
23AQI
22AQI
25AQI
27AQI
43AQI
67AQI
61AQI
52AQI
42AQI
27AQI
26AQI
45AQI
43AQI
41AQI
28AQI
20AQI
22AQI
28AQI
36AQI
33AQI
42AQI
37AQI
35AQI
25AQI
27AQI
25AQI
30AQI
23AQI
23AQI
26AQI
27AQI
42AQI
32AQI
26AQI
26AQI
23AQI
37AQI
42AQI
28AQI
25AQI
42AQI
34AQI
27AQI
26AQI
22AQI
26AQI
30AQI
26AQI
42AQI
40AQI
43AQI
32AQI
30AQI
31AQI
35AQI
30AQI
30AQI
27AQI
32AQI
35AQI
26AQI
27AQI
28AQI
34AQI
39AQI
41AQI
43AQI
43AQI
56AQI
42AQI
31AQI
27AQI
22AQI
21AQI
35AQI
22AQI
22AQI
20AQI
29AQI
21AQI
20AQI
29AQI
44AQI
47AQI
60AQI
45AQI
18AQI
28AQI
25AQI
23AQI
17AQI
14AQI
13AQI
24AQI
18AQI
23AQI
31AQI
45AQI
47AQI
36AQI
44AQI
21AQI
28AQI
32AQI
51AQI
52AQI
34AQI
37AQI
23AQI
26AQI
29AQI
29AQI
26AQI
20AQI
25AQI
44AQI
29AQI
42AQI
29AQI
20AQI
16AQI
17AQI
22AQI
26AQI
28AQI
29AQI
25AQI
28AQI
21AQI
19AQI
26AQI
43AQI
47AQI
29AQI
21AQI
26AQI
26AQI
19AQI
14AQI
18AQI
29AQI
22AQI
20AQI
17AQI
26AQI
37AQI
25AQI
47AQI
32AQI
37AQI
51AQI
72AQI
57AQI
44AQI
27AQI
45AQI
52AQI
50AQI
63AQI
65AQI
57AQI
25AQI
27AQI
31AQI
25AQI
29AQI
24AQI
36AQI
40AQI
43AQI
54AQI
50AQI
52AQI
53AQI
44AQI
33AQI
36AQI
36AQI
32AQI
35AQI
49AQI
57AQI
95AQI
63AQI
52AQI
44AQI
53AQI
44AQI
40AQI
43AQI
37AQI
29AQI
33AQI
30AQI
32AQI
27AQI
28AQI
35AQI
33AQI
54AQI
60AQI
48AQI
50AQI
35AQI
26AQI
27AQI
31AQI
41AQI
51AQI
67AQI
61AQI
36AQI
32AQI
36AQI
35AQI
41AQI
44AQI
40AQI
44AQI
50AQI
38AQI
31AQI
47AQI
57AQI
53AQI
48AQI
41AQI
45AQI
34AQI
22AQI
26AQI
36AQI
35AQI
26AQI
24AQI
27AQI
30AQI
35AQI
26AQI
26AQI
29AQI
33AQI
36AQI
38AQI
57AQI
37AQI
33AQI
32AQI
33AQI
41AQI
53AQI
51AQI
51AQI
52AQI
52AQI
54AQI
54AQI
52AQI
56AQI
59AQI
51AQI
40AQI
41AQI
33AQI
31AQI
33AQI
30AQI
26AQI
43AQI
42AQI
38AQI
45AQI
No. of days
202536AQI
Highest AQI recorded in
September45AQI
Lowest AQI recorded in
May26AQI
202434AQI
Highest AQI recorded in
August42AQI
Lowest AQI recorded in
January28AQI
202342AQI
Highest AQI recorded in
June71AQI
Lowest AQI recorded in
December31AQI
202239AQI
Highest AQI recorded in
November45AQI
Lowest AQI recorded in
September32AQI
202141AQI
Highest AQI recorded in
July55AQI
Lowest AQI recorded in
October35AQI
202039AQI
Highest AQI recorded in
December45AQI
Lowest AQI recorded in
May31AQI
Most & Least Polluted Years Over the Last 6 Years
Jeffersontown's annual 2025 AQI (36) shows an average percentage change of -8.8% (improved AQI) compared to previous years: 2020 (39), 2021 (41), 2022 (39), 2023 (42), 2024 (34).