Otsuki, Yamanashi, 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
Otsuki, Yamanashi, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (7th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 26 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 6th Aug - 7th Aug 2026
Otsuki, Yamanashi, Japan
4 AM6th Aug 2026
6 PM
3 AM7th Aug 2026
29AQI
23AQI
27AQI
21AQI
In the last 24 hours,
Otsuki's AQI reached its highest point of 29 at 4 AM during the Day, while the lowest point, 21, was recorded at 3 AM during the Night between 6th Aug and 7th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Otsuki, Yamanashi, Japan
21°C15/28°C
22°C17/29°C
22°C18/29°C
22°C18/28°C
21°C18/27°C
23°C17/31°C
24°C18/31°C
23°C19/30°C
22°C19/25°C
21°C18/23°C
22°C17/27°C
24°C19/29°C
24°C19/29°C
25°C19/32°C
25°C19/33°C
23°C20/28°C
23°C18/31°C
22°C19/27°C
21°C16/25°C
21°C17/26°C
22°C15/30°C
23°C17/31°C
23°C18/30°C
24°C18/31°C
23°C19/28°C
21°C18/23°C
19°C13/25°C
20°C13/26°C
22°C17/27°C
21°C16/27°C
42AQI
33AQI
42AQI
33AQI
2026 Days Vs Air Quality
Otsuki, Yamanashi, Japan
82%
180
18%
39
Total number of days with different AQI categories in last 219 days in 2026 (146 days remaining)
Under WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2026, 82% of 219 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
Otsuki, Yamanashi, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI (US)
20AQI (US)
15AQI (US)
19AQI (US)
20AQI (US)
22AQI (US)
28AQI (US)
26AQI (US)
21AQI (US)
24AQI (US)
23AQI (US)
14AQI (US)
26AQI (US)
27AQI (US)
35AQI (US)
28AQI (US)
41AQI (US)
48AQI (US)
54AQI (US)
35AQI (US)
23AQI (US)
26AQI (US)
21AQI (US)
22AQI (US)
15AQI (US)
23AQI (US)
44AQI (US)
25AQI (US)
21AQI (US)
34AQI (US)
35AQI (US)
40AQI (US)
25AQI (US)
18AQI (US)
39AQI (US)
52AQI (US)
35AQI (US)
32AQI (US)
19AQI (US)
42AQI (US)
46AQI (US)
46AQI (US)
32AQI (US)
51AQI (US)
62AQI (US)
58AQI (US)
45AQI (US)
21AQI (US)
28AQI (US)
29AQI (US)
27AQI (US)
47AQI (US)
43AQI (US)
46AQI (US)
35AQI (US)
21AQI (US)
13AQI (US)
32AQI (US)
49AQI (US)
52AQI (US)
83AQI (US)
49AQI (US)
34AQI (US)
58AQI (US)
52AQI (US)
46AQI (US)
46AQI (US)
53AQI (US)
59AQI (US)
58AQI (US)
73AQI (US)
46AQI (US)
39AQI (US)
21AQI (US)
31AQI (US)
54AQI (US)
57AQI (US)
39AQI (US)
38AQI (US)
47AQI (US)
54AQI (US)
53AQI (US)
40AQI (US)
49AQI (US)
8AQI (US)
15AQI (US)
51AQI (US)
51AQI (US)
53AQI (US)
15AQI (US)
20AQI (US)
35AQI (US)
44AQI (US)
43AQI (US)
35AQI (US)
29AQI (US)
26AQI (US)
20AQI (US)
34AQI (US)
45AQI (US)
36AQI (US)
30AQI (US)
36AQI (US)
48AQI (US)
42AQI (US)
34AQI (US)
41AQI (US)
27AQI (US)
30AQI (US)
39AQI (US)
39AQI (US)
46AQI (US)
37AQI (US)
30AQI (US)
47AQI (US)
52AQI (US)
48AQI (US)
42AQI (US)
40AQI (US)
36AQI (US)
47AQI (US)
50AQI (US)
42AQI (US)
26AQI (US)
23AQI (US)
34AQI (US)
35AQI (US)
27AQI (US)
28AQI (US)
35AQI (US)
37AQI (US)
40AQI (US)
44AQI (US)
39AQI (US)
39AQI (US)
85AQI (US)
68AQI (US)
53AQI (US)
48AQI (US)
61AQI (US)
59AQI (US)
62AQI (US)
54AQI (US)
57AQI (US)
47AQI (US)
40AQI (US)
25AQI (US)
25AQI (US)
25AQI (US)
25AQI (US)
27AQI (US)
29AQI (US)
33AQI (US)
24AQI (US)
24AQI (US)
22AQI (US)
23AQI (US)
22AQI (US)
20AQI (US)
22AQI (US)
23AQI (US)
25AQI (US)
25AQI (US)
27AQI (US)
26AQI (US)
17AQI (US)
17AQI (US)
24AQI (US)
26AQI (US)
30AQI (US)
32AQI (US)
12AQI (US)
20AQI (US)
23AQI (US)
21AQI (US)
24AQI (US)
25AQI (US)
26AQI (US)
27AQI (US)
26AQI (US)
27AQI (US)
57AQI (US)
17AQI (US)
10AQI (US)
25AQI (US)
21AQI (US)
23AQI (US)
24AQI (US)
26AQI (US)
26AQI (US)
28AQI (US)
29AQI (US)
25AQI (US)
26AQI (US)
31AQI (US)
58AQI (US)
69AQI (US)
58AQI (US)
29AQI (US)
23AQI (US)
32AQI (US)
48AQI (US)
63AQI (US)
72AQI (US)
67AQI (US)
43AQI (US)
21AQI (US)
21AQI (US)
24AQI (US)
29AQI (US)
27AQI (US)
52AQI (US)
58AQI (US)
53AQI (US)
16AQI (US)
21AQI (US)
25AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
37AQI (US)
46AQI (US)
37AQI (US)
42AQI (US)
24AQI (US)
36AQI (US)
32AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
March46AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202541AQI (US)
Highest AQI (US) recorded in
July54AQI (US)
Lowest AQI (US) recorded in
December32AQI (US)
202444AQI (US)
Highest AQI (US) recorded in
July60AQI (US)
Lowest AQI (US) recorded in
January28AQI (US)
202341AQI (US)
Highest AQI (US) recorded in
July56AQI (US)
Lowest AQI (US) recorded in
January28AQI (US)
202240AQI (US)
Highest AQI (US) recorded in
June52AQI (US)
Lowest AQI (US) recorded in
December26AQI (US)
202140AQI (US)
Highest AQI (US) recorded in
July54AQI (US)
Lowest AQI (US) recorded in
January24AQI (US)
202040AQI (US)
Highest AQI (US) recorded in
August63AQI (US)
Lowest AQI (US) recorded in
December25AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Otsuki's annual 2026 AQI (US) (35) shows an average percentage change of -14.5% (improved AQI (US)) compared to previous years: 2020 (40), 2021 (40), 2022 (40), 2023 (41), 2024 (44), 2025 (41).