Hikoshima Sakomachi, Shinozaki, Fukuoka, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Hikoshima Sakomachi, Shinozaki, Fukuoka, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (9th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 44 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 9th Aug - 10th Aug 2025
Hikoshima Sakomachi, Shinozaki, Fukuoka, Japan
5 AM9th Aug 2025
7 PM
4 AM10th Aug 2025
52AQI
19AQI
50AQI
26AQI
In the last 24 hours,
Hikoshima Sakomachi's AQI reached its highest point of 52 at 5 AM during the Day, while the lowest point, 19, was recorded at 7 PM during the Day between 9th Aug and 10th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hikoshima Sakomachi, Shinozaki, Fukuoka, Japan
27°C25/31°C
27°C25/31°C
27°C25/31°C
24°C22/26°C
25°C22/30°C
26°C23/31°C
27°C24/31°C
24°C24/25°C
26°C24/29°C
27°C25/30°C
27°C24/31°C
27°C24/30°C
27°C24/31°C
28°C25/31°C
28°C26/31°C
28°C26/31°C
28°C26/31°C
28°C25/32°C
28°C25/32°C
27°C24/32°C
28°C25/32°C
28°C25/32°C
28°C24/32°C
28°C25/32°C
28°C26/31°C
29°C26/33°C
30°C26/34°C
28°C27/31°C
27°C26/30°C
23°C21/25°C
--°C/°C
44AQI
34AQI
44AQI
37AQI
2025 Days Vs Air Quality
Hikoshima Sakomachi, Shinozaki, Fukuoka, Japan
72%
159
28%
62
Total number of days with different AQI categories in last 222 days in 2025 (143 days remaining)
Under WHO’s Safe Air Quality Limits: 72%
Health Risk Level:
Low
In 2025, 72% of 222 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
Hikoshima Sakomachi, Shinozaki, Fukuoka, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
33AQI
37AQI
33AQI
32AQI
31AQI
53AQI
30AQI
39AQI
30AQI
32AQI
33AQI
31AQI
39AQI
51AQI
40AQI
39AQI
52AQI
43AQI
52AQI
54AQI
73AQI
83AQI
83AQI
71AQI
48AQI
43AQI
42AQI
37AQI
34AQI
38AQI
47AQI
46AQI
36AQI
49AQI
32AQI
40AQI
31AQI
40AQI
31AQI
36AQI
32AQI
41AQI
40AQI
35AQI
40AQI
32AQI
44AQI
40AQI
36AQI
35AQI
32AQI
34AQI
37AQI
40AQI
37AQI
44AQI
57AQI
65AQI
71AQI
67AQI
55AQI
45AQI
36AQI
35AQI
35AQI
34AQI
37AQI
41AQI
45AQI
45AQI
55AQI
53AQI
39AQI
34AQI
28AQI
39AQI
46AQI
45AQI
58AQI
59AQI
74AQI
70AQI
64AQI
70AQI
72AQI
66AQI
61AQI
48AQI
40AQI
39AQI
39AQI
37AQI
31AQI
36AQI
41AQI
44AQI
42AQI
47AQI
57AQI
58AQI
57AQI
56AQI
50AQI
50AQI
37AQI
55AQI
48AQI
55AQI
55AQI
48AQI
48AQI
42AQI
30AQI
40AQI
57AQI
50AQI
52AQI
49AQI
47AQI
53AQI
51AQI
43AQI
47AQI
39AQI
43AQI
33AQI
36AQI
36AQI
33AQI
36AQI
46AQI
51AQI
56AQI
59AQI
57AQI
54AQI
42AQI
50AQI
57AQI
56AQI
40AQI
42AQI
44AQI
31AQI
33AQI
33AQI
38AQI
44AQI
38AQI
42AQI
36AQI
46AQI
49AQI
33AQI
47AQI
42AQI
48AQI
56AQI
60AQI
47AQI
35AQI
41AQI
46AQI
41AQI
39AQI
35AQI
34AQI
37AQI
42AQI
40AQI
47AQI
39AQI
31AQI
32AQI
33AQI
35AQI
41AQI
40AQI
37AQI
38AQI
48AQI
54AQI
62AQI
66AQI
66AQI
62AQI
58AQI
56AQI
60AQI
67AQI
68AQI
62AQI
56AQI
51AQI
48AQI
53AQI
56AQI
52AQI
44AQI
39AQI
36AQI
33AQI
34AQI
30AQI
30AQI
26AQI
24AQI
23AQI
24AQI
24AQI
26AQI
30AQI
44AQI
46AQI
47AQI
47AQI
45AQI
45AQI
53AQI
49AQI
44AQI
45AQI
40AQI
50AQI
47AQI
43AQI
41AQI
46AQI
47AQI
No. of days
202545AQI
Highest AQI recorded in
March50AQI
Lowest AQI recorded in
February40AQI
202438AQI
Highest AQI recorded in
April49AQI
Lowest AQI recorded in
July30AQI
202343AQI
Highest AQI recorded in
March55AQI
Lowest AQI recorded in
August29AQI
202243AQI
Highest AQI recorded in
March54AQI
Lowest AQI recorded in
September34AQI
202140AQI
Highest AQI recorded in
May48AQI
Lowest AQI recorded in
July32AQI
202042AQI
Highest AQI recorded in
August55AQI
Lowest AQI recorded in
September36AQI
Most & Least Polluted Years Over the Last 6 Years
Hikoshima Sakomachi's annual 2025 AQI (45) shows an average percentage change of 8.9% (worsened AQI) compared to previous years: 2020 (42), 2021 (40), 2022 (43), 2023 (43), 2024 (38).