Sakaidecho, Kagawa, 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
Sakaidecho, Kagawa, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (11th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 27 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 10th Aug - 11th Aug 2026
Sakaidecho, Kagawa, Japan
5 AM10th Aug 2026
7 PM
4 AM11th Aug 2026
29AQI
23AQI
26AQI
23AQI
In the last 24 hours,
Sakaidecho's AQI reached its highest point of 29 at 1 PM during the Day, while the lowest point, 23, was recorded at 10 PM during the Night between 10th Aug and 11th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Sakaidecho, Kagawa, Japan
28°C25/31°C
28°C26/31°C
28°C26/30°C
29°C27/31°C
29°C26/32°C
29°C26/31°C
29°C26/31°C
29°C26/32°C
29°C27/32°C
29°C27/32°C
30°C27/33°C
30°C27/33°C
30°C27/33°C
29°C27/33°C
29°C26/33°C
29°C27/32°C
27°C26/30°C
29°C27/32°C
29°C26/32°C
29°C26/33°C
30°C27/34°C
30°C28/33°C
29°C26/31°C
29°C26/32°C
29°C26/33°C
30°C27/33°C
29°C26/33°C
29°C27/31°C
29°C26/32°C
26°C23/30°C
41AQI
41AQI
44AQI
38AQI
2026 Days Vs Air Quality
Sakaidecho, Kagawa, Japan
78%
174
22%
49
Total number of days with different AQI categories in last 223 days in 2026 (142 days remaining)
Under WHO’s Safe Air Quality Limits: 78%
Health Risk Level:
Low
In 2026, 78% of 223 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
Sakaidecho, Kagawa, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
19AQI (US)
20AQI (US)
19AQI (US)
32AQI (US)
46AQI (US)
23AQI (US)
37AQI (US)
30AQI (US)
19AQI (US)
32AQI (US)
30AQI (US)
26AQI (US)
28AQI (US)
26AQI (US)
46AQI (US)
69AQI (US)
68AQI (US)
51AQI (US)
56AQI (US)
32AQI (US)
13AQI (US)
23AQI (US)
37AQI (US)
51AQI (US)
23AQI (US)
23AQI (US)
43AQI (US)
31AQI (US)
27AQI (US)
38AQI (US)
34AQI (US)
45AQI (US)
49AQI (US)
33AQI (US)
46AQI (US)
46AQI (US)
40AQI (US)
18AQI (US)
16AQI (US)
36AQI (US)
45AQI (US)
51AQI (US)
51AQI (US)
53AQI (US)
67AQI (US)
74AQI (US)
60AQI (US)
17AQI (US)
29AQI (US)
30AQI (US)
38AQI (US)
62AQI (US)
52AQI (US)
50AQI (US)
42AQI (US)
19AQI (US)
12AQI (US)
50AQI (US)
23AQI (US)
26AQI (US)
50AQI (US)
27AQI (US)
49AQI (US)
49AQI (US)
54AQI (US)
44AQI (US)
22AQI (US)
40AQI (US)
57AQI (US)
53AQI (US)
58AQI (US)
36AQI (US)
43AQI (US)
57AQI (US)
41AQI (US)
40AQI (US)
54AQI (US)
43AQI (US)
57AQI (US)
46AQI (US)
62AQI (US)
53AQI (US)
51AQI (US)
49AQI (US)
20AQI (US)
35AQI (US)
69AQI (US)
82AQI (US)
81AQI (US)
16AQI (US)
14AQI (US)
52AQI (US)
55AQI (US)
26AQI (US)
24AQI (US)
52AQI (US)
36AQI (US)
40AQI (US)
36AQI (US)
43AQI (US)
41AQI (US)
37AQI (US)
37AQI (US)
45AQI (US)
35AQI (US)
31AQI (US)
35AQI (US)
27AQI (US)
31AQI (US)
35AQI (US)
42AQI (US)
43AQI (US)
28AQI (US)
25AQI (US)
45AQI (US)
49AQI (US)
50AQI (US)
52AQI (US)
42AQI (US)
18AQI (US)
34AQI (US)
55AQI (US)
52AQI (US)
24AQI (US)
22AQI (US)
27AQI (US)
36AQI (US)
37AQI (US)
31AQI (US)
28AQI (US)
32AQI (US)
33AQI (US)
43AQI (US)
35AQI (US)
34AQI (US)
78AQI (US)
64AQI (US)
53AQI (US)
46AQI (US)
61AQI (US)
64AQI (US)
69AQI (US)
60AQI (US)
62AQI (US)
54AQI (US)
41AQI (US)
24AQI (US)
26AQI (US)
25AQI (US)
23AQI (US)
27AQI (US)
29AQI (US)
19AQI (US)
15AQI (US)
25AQI (US)
22AQI (US)
24AQI (US)
21AQI (US)
20AQI (US)
24AQI (US)
23AQI (US)
30AQI (US)
26AQI (US)
34AQI (US)
35AQI (US)
23AQI (US)
26AQI (US)
23AQI (US)
25AQI (US)
27AQI (US)
30AQI (US)
19AQI (US)
15AQI (US)
22AQI (US)
21AQI (US)
26AQI (US)
30AQI (US)
26AQI (US)
28AQI (US)
28AQI (US)
42AQI (US)
58AQI (US)
14AQI (US)
24AQI (US)
25AQI (US)
21AQI (US)
22AQI (US)
26AQI (US)
25AQI (US)
25AQI (US)
27AQI (US)
31AQI (US)
28AQI (US)
31AQI (US)
28AQI (US)
24AQI (US)
25AQI (US)
46AQI (US)
60AQI (US)
56AQI (US)
61AQI (US)
74AQI (US)
81AQI (US)
56AQI (US)
53AQI (US)
46AQI (US)
45AQI (US)
40AQI (US)
35AQI (US)
36AQI (US)
34AQI (US)
34AQI (US)
44AQI (US)
45AQI (US)
48AQI (US)
42AQI (US)
33AQI (US)
29AQI (US)
32AQI (US)
26AQI (US)
24AQI (US)
25AQI (US)
27AQI (US)
34AQI (US)
41AQI (US)
47AQI (US)
38AQI (US)
42AQI (US)
25AQI (US)
38AQI (US)
34AQI (US)
No. of days
202638AQI (US)
Highest AQI (US) recorded in
March47AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202545AQI (US)
Highest AQI (US) recorded in
July53AQI (US)
Lowest AQI (US) recorded in
September32AQI (US)
202440AQI (US)
Highest AQI (US) recorded in
April52AQI (US)
Lowest AQI (US) recorded in
December32AQI (US)
202341AQI (US)
Highest AQI (US) recorded in
April49AQI (US)
Lowest AQI (US) recorded in
August30AQI (US)
202241AQI (US)
Highest AQI (US) recorded in
May50AQI (US)
Lowest AQI (US) recorded in
December33AQI (US)
202138AQI (US)
Highest AQI (US) recorded in
June45AQI (US)
Lowest AQI (US) recorded in
April32AQI (US)
202039AQI (US)
Highest AQI (US) recorded in
August57AQI (US)
Lowest AQI (US) recorded in
September31AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Sakaidecho's annual 2026 AQI (US) (38) shows an average percentage change of -6.2% (improved AQI (US)) compared to previous years: 2020 (39), 2021 (38), 2022 (41), 2023 (41), 2024 (40), 2025 (45).