Karatsu, Imaricho Ko, Saga, 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
Karatsu, Imaricho Ko, Saga, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 52 of Moderate air quality on the same day.
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2026
Karatsu, Imaricho Ko, Saga, Japan
5 AM2nd Aug 2026
7 PM
4 AM3rd Aug 2026
51AQI
23AQI
57AQI
44AQI
In the last 24 hours,
Karatsu's AQI reached its highest point of 57 at 4 AM during the Night, while the lowest point, 23, was recorded at 9 AM during the Day between 2nd Aug and 3rd Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Karatsu, Imaricho Ko, Saga, Japan
24°C23/25°C
25°C24/27°C
27°C24/29°C
27°C24/31°C
26°C24/28°C
26°C24/29°C
28°C25/30°C
29°C25/33°C
28°C26/32°C
28°C25/32°C
28°C26/31°C
28°C26/30°C
28°C26/31°C
28°C26/32°C
29°C26/32°C
28°C26/31°C
28°C26/32°C
28°C25/32°C
29°C25/32°C
28°C25/31°C
28°C26/32°C
29°C26/32°C
29°C27/32°C
29°C26/32°C
27°C26/29°C
28°C26/31°C
28°C25/32°C
29°C26/33°C
29°C26/32°C
29°C27/33°C
29AQI
24AQI
28AQI
26AQI
2026 Days Vs Air Quality
Karatsu, Imaricho Ko, Saga, Japan
84%
181
16%
34
Total number of days with different AQI categories in last 215 days in 2026 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2026, 84% of 215 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
Karatsu, Imaricho Ko, Saga, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
17AQI (US)
34AQI (US)
31AQI (US)
49AQI (US)
50AQI (US)
28AQI (US)
42AQI (US)
29AQI (US)
26AQI (US)
40AQI (US)
27AQI (US)
30AQI (US)
44AQI (US)
24AQI (US)
41AQI (US)
70AQI (US)
57AQI (US)
71AQI (US)
72AQI (US)
38AQI (US)
21AQI (US)
21AQI (US)
41AQI (US)
42AQI (US)
26AQI (US)
13AQI (US)
41AQI (US)
16AQI (US)
42AQI (US)
23AQI (US)
15AQI (US)
51AQI (US)
31AQI (US)
30AQI (US)
33AQI (US)
42AQI (US)
43AQI (US)
21AQI (US)
20AQI (US)
35AQI (US)
37AQI (US)
46AQI (US)
52AQI (US)
58AQI (US)
43AQI (US)
40AQI (US)
55AQI (US)
18AQI (US)
30AQI (US)
45AQI (US)
48AQI (US)
43AQI (US)
27AQI (US)
31AQI (US)
16AQI (US)
29AQI (US)
29AQI (US)
49AQI (US)
38AQI (US)
36AQI (US)
55AQI (US)
38AQI (US)
42AQI (US)
46AQI (US)
47AQI (US)
53AQI (US)
38AQI (US)
50AQI (US)
42AQI (US)
35AQI (US)
53AQI (US)
38AQI (US)
42AQI (US)
59AQI (US)
50AQI (US)
27AQI (US)
36AQI (US)
44AQI (US)
42AQI (US)
29AQI (US)
40AQI (US)
30AQI (US)
49AQI (US)
36AQI (US)
19AQI (US)
58AQI (US)
87AQI (US)
77AQI (US)
57AQI (US)
18AQI (US)
18AQI (US)
54AQI (US)
55AQI (US)
23AQI (US)
35AQI (US)
53AQI (US)
31AQI (US)
20AQI (US)
31AQI (US)
43AQI (US)
34AQI (US)
55AQI (US)
46AQI (US)
41AQI (US)
21AQI (US)
38AQI (US)
35AQI (US)
26AQI (US)
30AQI (US)
32AQI (US)
55AQI (US)
54AQI (US)
14AQI (US)
32AQI (US)
45AQI (US)
48AQI (US)
54AQI (US)
46AQI (US)
37AQI (US)
32AQI (US)
50AQI (US)
45AQI (US)
36AQI (US)
29AQI (US)
30AQI (US)
30AQI (US)
33AQI (US)
28AQI (US)
27AQI (US)
29AQI (US)
31AQI (US)
33AQI (US)
34AQI (US)
28AQI (US)
32AQI (US)
75AQI (US)
62AQI (US)
53AQI (US)
45AQI (US)
61AQI (US)
65AQI (US)
71AQI (US)
62AQI (US)
63AQI (US)
55AQI (US)
41AQI (US)
23AQI (US)
25AQI (US)
26AQI (US)
22AQI (US)
33AQI (US)
62AQI (US)
12AQI (US)
13AQI (US)
23AQI (US)
22AQI (US)
28AQI (US)
14AQI (US)
22AQI (US)
23AQI (US)
22AQI (US)
25AQI (US)
25AQI (US)
26AQI (US)
23AQI (US)
24AQI (US)
25AQI (US)
23AQI (US)
26AQI (US)
24AQI (US)
22AQI (US)
21AQI (US)
20AQI (US)
20AQI (US)
20AQI (US)
25AQI (US)
28AQI (US)
26AQI (US)
26AQI (US)
23AQI (US)
23AQI (US)
22AQI (US)
20AQI (US)
24AQI (US)
24AQI (US)
18AQI (US)
15AQI (US)
24AQI (US)
31AQI (US)
18AQI (US)
30AQI (US)
29AQI (US)
26AQI (US)
28AQI (US)
27AQI (US)
25AQI (US)
28AQI (US)
27AQI (US)
27AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
23AQI (US)
23AQI (US)
24AQI (US)
26AQI (US)
25AQI (US)
25AQI (US)
26AQI (US)
25AQI (US)
26AQI (US)
24AQI (US)
27AQI (US)
38AQI (US)
52AQI (US)
36AQI (US)
37AQI (US)
44AQI (US)
38AQI (US)
41AQI (US)
24AQI (US)
25AQI (US)
39AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
March44AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202543AQI (US)
Highest AQI (US) recorded in
November55AQI (US)
Lowest AQI (US) recorded in
September29AQI (US)
202439AQI (US)
Highest AQI (US) recorded in
April51AQI (US)
Lowest AQI (US) recorded in
July21AQI (US)
202342AQI (US)
Highest AQI (US) recorded in
March52AQI (US)
Lowest AQI (US) recorded in
August32AQI (US)
202243AQI (US)
Highest AQI (US) recorded in
March53AQI (US)
Lowest AQI (US) recorded in
September35AQI (US)
202140AQI (US)
Highest AQI (US) recorded in
May47AQI (US)
Lowest AQI (US) recorded in
August29AQI (US)
202042AQI (US)
Highest AQI (US) recorded in
August53AQI (US)
Lowest AQI (US) recorded in
July23AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Karatsu's annual 2026 AQI (US) (35) shows an average percentage change of -15.5% (improved AQI (US)) compared to previous years: 2020 (42), 2021 (40), 2022 (43), 2023 (42), 2024 (39), 2025 (43).