Ishiyamadera, Kusatsu, Shiga, 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
Ishiyamadera, Kusatsu, Shiga, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (14th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 28 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 13th Aug - 14th Aug 2026
Ishiyamadera, Kusatsu, Shiga, Japan
5 AM13th Aug 2026
7 PM
4 AM14th Aug 2026
29AQI
23AQI
33AQI
21AQI
In the last 24 hours,
Ishiyamadera's AQI reached its highest point of 33 at 9 PM during the Night, while the lowest point, 21, was recorded at 12 AM during the Night between 13th Aug and 14th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Ishiyamadera, Kusatsu, Shiga, Japan
28°C25/32°C
29°C23/35°C
29°C26/33°C
29°C24/33°C
30°C25/35°C
30°C26/36°C
31°C26/37°C
31°C26/37°C
31°C25/37°C
30°C25/36°C
29°C24/36°C
29°C25/35°C
27°C24/33°C
27°C23/31°C
30°C25/36°C
29°C24/35°C
29°C24/35°C
29°C25/34°C
29°C25/34°C
28°C25/32°C
28°C23/33°C
28°C25/33°C
29°C25/34°C
29°C24/34°C
28°C25/33°C
27°C23/31°C
25°C21/29°C
24°C23/25°C
25°C23/27°C
27°C23/32°C
42AQI
35AQI
37AQI
33AQI
2026 Days Vs Air Quality
Ishiyamadera, Kusatsu, Shiga, Japan
79%
179
21%
47
Total number of days with different AQI categories in last 226 days in 2026 (139 days remaining)
Under WHO’s Safe Air Quality Limits: 79%
Health Risk Level:
Low
In 2026, 79% of 226 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
Ishiyamadera, Kusatsu, Shiga, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
17AQI (US)
14AQI (US)
13AQI (US)
26AQI (US)
47AQI (US)
16AQI (US)
22AQI (US)
27AQI (US)
15AQI (US)
22AQI (US)
22AQI (US)
24AQI (US)
24AQI (US)
21AQI (US)
28AQI (US)
51AQI (US)
53AQI (US)
41AQI (US)
38AQI (US)
27AQI (US)
12AQI (US)
19AQI (US)
38AQI (US)
45AQI (US)
27AQI (US)
26AQI (US)
43AQI (US)
18AQI (US)
19AQI (US)
34AQI (US)
33AQI (US)
34AQI (US)
49AQI (US)
33AQI (US)
27AQI (US)
56AQI (US)
48AQI (US)
12AQI (US)
13AQI (US)
37AQI (US)
51AQI (US)
41AQI (US)
50AQI (US)
57AQI (US)
71AQI (US)
56AQI (US)
52AQI (US)
14AQI (US)
24AQI (US)
32AQI (US)
32AQI (US)
51AQI (US)
43AQI (US)
53AQI (US)
54AQI (US)
28AQI (US)
13AQI (US)
45AQI (US)
47AQI (US)
48AQI (US)
80AQI (US)
47AQI (US)
58AQI (US)
56AQI (US)
52AQI (US)
47AQI (US)
46AQI (US)
50AQI (US)
58AQI (US)
55AQI (US)
64AQI (US)
45AQI (US)
47AQI (US)
61AQI (US)
62AQI (US)
52AQI (US)
58AQI (US)
48AQI (US)
49AQI (US)
51AQI (US)
54AQI (US)
52AQI (US)
65AQI (US)
57AQI (US)
10AQI (US)
32AQI (US)
62AQI (US)
68AQI (US)
49AQI (US)
21AQI (US)
22AQI (US)
45AQI (US)
52AQI (US)
41AQI (US)
18AQI (US)
36AQI (US)
43AQI (US)
33AQI (US)
40AQI (US)
46AQI (US)
36AQI (US)
37AQI (US)
34AQI (US)
47AQI (US)
40AQI (US)
35AQI (US)
41AQI (US)
32AQI (US)
38AQI (US)
38AQI (US)
40AQI (US)
45AQI (US)
36AQI (US)
31AQI (US)
46AQI (US)
49AQI (US)
49AQI (US)
45AQI (US)
40AQI (US)
35AQI (US)
45AQI (US)
52AQI (US)
52AQI (US)
23AQI (US)
20AQI (US)
33AQI (US)
33AQI (US)
27AQI (US)
28AQI (US)
33AQI (US)
36AQI (US)
40AQI (US)
44AQI (US)
40AQI (US)
41AQI (US)
83AQI (US)
68AQI (US)
54AQI (US)
49AQI (US)
62AQI (US)
61AQI (US)
64AQI (US)
56AQI (US)
59AQI (US)
51AQI (US)
40AQI (US)
24AQI (US)
25AQI (US)
24AQI (US)
24AQI (US)
27AQI (US)
30AQI (US)
31AQI (US)
21AQI (US)
25AQI (US)
22AQI (US)
23AQI (US)
21AQI (US)
20AQI (US)
23AQI (US)
22AQI (US)
24AQI (US)
40AQI (US)
28AQI (US)
24AQI (US)
23AQI (US)
28AQI (US)
23AQI (US)
20AQI (US)
29AQI (US)
22AQI (US)
21AQI (US)
19AQI (US)
21AQI (US)
21AQI (US)
27AQI (US)
29AQI (US)
26AQI (US)
28AQI (US)
28AQI (US)
40AQI (US)
54AQI (US)
13AQI (US)
22AQI (US)
25AQI (US)
21AQI (US)
18AQI (US)
21AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
27AQI (US)
27AQI (US)
29AQI (US)
28AQI (US)
27AQI (US)
56AQI (US)
41AQI (US)
54AQI (US)
37AQI (US)
40AQI (US)
67AQI (US)
77AQI (US)
58AQI (US)
32AQI (US)
41AQI (US)
38AQI (US)
27AQI (US)
32AQI (US)
34AQI (US)
50AQI (US)
37AQI (US)
41AQI (US)
42AQI (US)
46AQI (US)
27AQI (US)
26AQI (US)
23AQI (US)
25AQI (US)
25AQI (US)
26AQI (US)
22AQI (US)
25AQI (US)
26AQI (US)
26AQI (US)
28AQI (US)
28AQI (US)
40AQI (US)
52AQI (US)
39AQI (US)
43AQI (US)
25AQI (US)
36AQI (US)
29AQI (US)
No. of days
202637AQI (US)
Highest AQI (US) recorded in
March52AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202540AQI (US)
Highest AQI (US) recorded in
July51AQI (US)
Lowest AQI (US) recorded in
December31AQI (US)
202434AQI (US)
Highest AQI (US) recorded in
April45AQI (US)
Lowest AQI (US) recorded in
January28AQI (US)
202336AQI (US)
Highest AQI (US) recorded in
April45AQI (US)
Lowest AQI (US) recorded in
October32AQI (US)
202235AQI (US)
Highest AQI (US) recorded in
May44AQI (US)
Lowest AQI (US) recorded in
August24AQI (US)
202132AQI (US)
Highest AQI (US) recorded in
June39AQI (US)
Lowest AQI (US) recorded in
April28AQI (US)
202031AQI (US)
Highest AQI (US) recorded in
August46AQI (US)
Lowest AQI (US) recorded in
December25AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Ishiyamadera's annual 2026 AQI (US) (37) shows an average percentage change of 7.4% (worsened AQI (US)) compared to previous years: 2020 (31), 2021 (32), 2022 (35), 2023 (36), 2024 (34), 2025 (40).