Ochikawa, Kunitachi, Tokyo, 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
Ochikawa, Kunitachi, Tokyo, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 49 of Good air quality on the same day.
Day & Night AQI Trend: 1st Aug - 2nd Aug 2026
Ochikawa, Kunitachi, Tokyo, Japan
4 AM1st Aug 2026
6 PM
3 AM2nd Aug 2026
74AQI
54AQI
76AQI
48AQI
In the last 24 hours,
Ochikawa's AQI reached its highest point of 76 at 8 PM during the Night, while the lowest point, 48, was recorded at 3 AM during the Night between 1st Aug and 2nd Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Ochikawa, Kunitachi, Tokyo, Japan
23°C21/25°C
24°C22/27°C
22°C21/23°C
24°C20/29°C
25°C21/29°C
26°C22/31°C
27°C23/32°C
27°C24/32°C
26°C24/29°C
26°C25/28°C
29°C24/33°C
30°C26/35°C
30°C27/35°C
28°C26/31°C
28°C25/31°C
28°C25/32°C
31°C27/36°C
32°C28/37°C
32°C28/37°C
32°C28/37°C
30°C27/34°C
29°C26/35°C
28°C25/31°C
27°C24/31°C
26°C24/30°C
29°C23/34°C
31°C26/36°C
30°C27/35°C
31°C27/35°C
30°C25/36°C
38AQI
33AQI
40AQI
31AQI
2026 Days Vs Air Quality
Ochikawa, Kunitachi, Tokyo, Japan
84%
179
16%
35
Total number of days with different AQI categories in last 214 days in 2026 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2026, 84% of 214 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
Ochikawa, Kunitachi, Tokyo, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
25AQI (US)
13AQI (US)
12AQI (US)
15AQI (US)
28AQI (US)
17AQI (US)
20AQI (US)
25AQI (US)
17AQI (US)
28AQI (US)
23AQI (US)
13AQI (US)
26AQI (US)
16AQI (US)
30AQI (US)
44AQI (US)
41AQI (US)
34AQI (US)
38AQI (US)
37AQI (US)
13AQI (US)
23AQI (US)
36AQI (US)
37AQI (US)
38AQI (US)
12AQI (US)
23AQI (US)
27AQI (US)
25AQI (US)
35AQI (US)
36AQI (US)
39AQI (US)
46AQI (US)
32AQI (US)
36AQI (US)
51AQI (US)
39AQI (US)
13AQI (US)
16AQI (US)
34AQI (US)
37AQI (US)
43AQI (US)
35AQI (US)
51AQI (US)
62AQI (US)
50AQI (US)
48AQI (US)
20AQI (US)
34AQI (US)
32AQI (US)
32AQI (US)
48AQI (US)
44AQI (US)
42AQI (US)
42AQI (US)
37AQI (US)
11AQI (US)
33AQI (US)
33AQI (US)
14AQI (US)
81AQI (US)
44AQI (US)
54AQI (US)
57AQI (US)
53AQI (US)
48AQI (US)
43AQI (US)
51AQI (US)
58AQI (US)
58AQI (US)
70AQI (US)
43AQI (US)
48AQI (US)
61AQI (US)
57AQI (US)
54AQI (US)
57AQI (US)
37AQI (US)
31AQI (US)
50AQI (US)
51AQI (US)
53AQI (US)
48AQI (US)
65AQI (US)
30AQI (US)
22AQI (US)
49AQI (US)
53AQI (US)
57AQI (US)
26AQI (US)
25AQI (US)
36AQI (US)
45AQI (US)
45AQI (US)
36AQI (US)
28AQI (US)
39AQI (US)
22AQI (US)
33AQI (US)
46AQI (US)
45AQI (US)
28AQI (US)
37AQI (US)
42AQI (US)
40AQI (US)
35AQI (US)
40AQI (US)
33AQI (US)
40AQI (US)
38AQI (US)
40AQI (US)
46AQI (US)
37AQI (US)
32AQI (US)
46AQI (US)
51AQI (US)
49AQI (US)
42AQI (US)
40AQI (US)
38AQI (US)
48AQI (US)
50AQI (US)
44AQI (US)
29AQI (US)
23AQI (US)
31AQI (US)
32AQI (US)
26AQI (US)
24AQI (US)
28AQI (US)
31AQI (US)
35AQI (US)
45AQI (US)
39AQI (US)
40AQI (US)
86AQI (US)
68AQI (US)
53AQI (US)
49AQI (US)
62AQI (US)
59AQI (US)
60AQI (US)
54AQI (US)
58AQI (US)
48AQI (US)
40AQI (US)
25AQI (US)
25AQI (US)
26AQI (US)
25AQI (US)
29AQI (US)
31AQI (US)
32AQI (US)
18AQI (US)
24AQI (US)
22AQI (US)
22AQI (US)
23AQI (US)
21AQI (US)
23AQI (US)
22AQI (US)
25AQI (US)
25AQI (US)
28AQI (US)
25AQI (US)
20AQI (US)
27AQI (US)
24AQI (US)
25AQI (US)
30AQI (US)
22AQI (US)
20AQI (US)
19AQI (US)
22AQI (US)
21AQI (US)
26AQI (US)
29AQI (US)
26AQI (US)
29AQI (US)
27AQI (US)
26AQI (US)
25AQI (US)
22AQI (US)
20AQI (US)
36AQI (US)
14AQI (US)
24AQI (US)
26AQI (US)
26AQI (US)
23AQI (US)
25AQI (US)
26AQI (US)
28AQI (US)
29AQI (US)
34AQI (US)
44AQI (US)
51AQI (US)
49AQI (US)
22AQI (US)
17AQI (US)
29AQI (US)
54AQI (US)
68AQI (US)
60AQI (US)
48AQI (US)
47AQI (US)
30AQI (US)
24AQI (US)
24AQI (US)
28AQI (US)
31AQI (US)
56AQI (US)
62AQI (US)
49AQI (US)
26AQI (US)
37AQI (US)
49AQI (US)
38AQI (US)
42AQI (US)
24AQI (US)
34AQI (US)
56AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
August56AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202532AQI (US)
Highest AQI (US) recorded in
July47AQI (US)
Lowest AQI (US) recorded in
June20AQI (US)
202428AQI (US)
Highest AQI (US) recorded in
July39AQI (US)
Lowest AQI (US) recorded in
December24AQI (US)
202328AQI (US)
Highest AQI (US) recorded in
April37AQI (US)
Lowest AQI (US) recorded in
October25AQI (US)
202227AQI (US)
Highest AQI (US) recorded in
July31AQI (US)
Lowest AQI (US) recorded in
August22AQI (US)
202123AQI (US)
Highest AQI (US) recorded in
May34AQI (US)
Lowest AQI (US) recorded in
February13AQI (US)
202015AQI (US)
Highest AQI (US) recorded in
August24AQI (US)
Lowest AQI (US) recorded in
May11AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Ochikawa's annual 2026 AQI (US) (36) shows an average percentage change of 49.9% (worsened AQI (US)) compared to previous years: 2020 (15), 2021 (23), 2022 (27), 2023 (28), 2024 (28), 2025 (32).