Kitaku, Fukuoka, Japan 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
Kitaku, Fukuoka, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (29th September ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 40 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 30th Sep - 1st Oct 2025
Kitaku, Fukuoka, Japan
6 AM30th Sep 2025
6 PM
5 AM1st Oct 2025
AQI
AQI
66AQI
42AQI
In the last 24 hours,
Kitaku's AQI reached its highest point of 66 at 8 PM during the Night, while the lowest point, 42, was recorded at 6 AM during the Night between 30th Sep and 1st Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Kitaku, Fukuoka, Japan
28°C26/32°C
28°C26/31°C
27°C25/30°C
26°C25/27°C
27°C26/30°C
28°C25/31°C
28°C25/31°C
28°C26/31°C
27°C25/30°C
25°C25/26°C
26°C25/28°C
26°C24/29°C
27°C25/29°C
27°C26/29°C
28°C26/31°C
28°C25/31°C
28°C25/30°C
25°C23/27°C
25°C22/27°C
25°C24/27°C
24°C23/26°C
23°C21/26°C
23°C22/24°C
26°C24/28°C
25°C23/27°C
25°C24/27°C
23°C22/24°C
24°C22/27°C
23°C21/24°C
--°C/°C
--°C/°C
35AQI
32AQI
34AQI
32AQI
2025 Days Vs Air Quality
Kitaku, Fukuoka, Japan
86%
233
14%
39
Total number of days with different AQI categories in last 273 days in 2025 (92 days remaining)
Under WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2025, 86% of 273 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
Kitaku, Fukuoka, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
36AQI
40AQI
36AQI
37AQI
32AQI
56AQI
31AQI
41AQI
29AQI
32AQI
32AQI
31AQI
40AQI
49AQI
41AQI
41AQI
53AQI
48AQI
53AQI
57AQI
74AQI
81AQI
79AQI
72AQI
50AQI
44AQI
42AQI
37AQI
34AQI
40AQI
48AQI
44AQI
36AQI
49AQI
32AQI
41AQI
31AQI
41AQI
31AQI
35AQI
32AQI
44AQI
40AQI
35AQI
42AQI
32AQI
43AQI
40AQI
35AQI
35AQI
32AQI
34AQI
38AQI
40AQI
37AQI
42AQI
57AQI
65AQI
69AQI
66AQI
52AQI
46AQI
35AQI
34AQI
36AQI
34AQI
39AQI
44AQI
47AQI
47AQI
55AQI
54AQI
42AQI
36AQI
30AQI
45AQI
46AQI
45AQI
57AQI
58AQI
70AQI
67AQI
62AQI
60AQI
46AQI
45AQI
46AQI
43AQI
40AQI
39AQI
39AQI
38AQI
37AQI
38AQI
39AQI
37AQI
37AQI
38AQI
40AQI
39AQI
43AQI
41AQI
40AQI
38AQI
34AQI
40AQI
38AQI
40AQI
40AQI
37AQI
37AQI
36AQI
33AQI
35AQI
40AQI
38AQI
39AQI
37AQI
39AQI
40AQI
39AQI
38AQI
41AQI
37AQI
39AQI
34AQI
36AQI
37AQI
34AQI
36AQI
39AQI
45AQI
46AQI
50AQI
48AQI
46AQI
39AQI
44AQI
47AQI
41AQI
38AQI
37AQI
39AQI
35AQI
34AQI
34AQI
37AQI
39AQI
38AQI
38AQI
37AQI
42AQI
43AQI
35AQI
40AQI
40AQI
44AQI
46AQI
49AQI
41AQI
34AQI
36AQI
39AQI
38AQI
34AQI
33AQI
34AQI
34AQI
41AQI
40AQI
45AQI
38AQI
28AQI
31AQI
31AQI
33AQI
40AQI
41AQI
37AQI
37AQI
48AQI
58AQI
68AQI
69AQI
68AQI
63AQI
56AQI
54AQI
61AQI
68AQI
71AQI
61AQI
54AQI
49AQI
45AQI
50AQI
57AQI
53AQI
39AQI
39AQI
35AQI
34AQI
38AQI
34AQI
31AQI
27AQI
25AQI
24AQI
25AQI
25AQI
27AQI
31AQI
45AQI
48AQI
49AQI
49AQI
47AQI
47AQI
53AQI
48AQI
38AQI
35AQI
32AQI
35AQI
40AQI
42AQI
44AQI
42AQI
42AQI
49AQI
52AQI
47AQI
43AQI
48AQI
47AQI
45AQI
42AQI
42AQI
46AQI
49AQI
50AQI
51AQI
52AQI
41AQI
42AQI
42AQI
28AQI
27AQI
31AQI
37AQI
36AQI
33AQI
34AQI
35AQI
36AQI
32AQI
32AQI
33AQI
33AQI
32AQI
26AQI
27AQI
30AQI
22AQI
24AQI
27AQI
28AQI
28AQI
32AQI
28AQI
32AQI
40AQI
46AQI
40AQI
47AQI
38AQI
39AQI
38AQI
46AQI
45AQI
32AQI
No. of days
202542AQI
Highest AQI recorded in
March47AQI
Lowest AQI recorded in
September32AQI
202438AQI
Highest AQI recorded in
September48AQI
Lowest AQI recorded in
July28AQI
202345AQI
Highest AQI recorded in
November45AQI
Lowest AQI recorded in
December45AQI
20207AQI
Highest AQI recorded in
September25AQI
Lowest AQI recorded in
July6AQI
Most & Least Polluted Years Over the Last 4 Years
Kitaku's annual 2025 AQI (42) shows an average percentage change of 152.4% (worsened AQI) compared to previous years: 2020 (7), 2023 (45), 2024 (38).