Honcho, Kokubunji, 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
Honcho, Kokubunji, Tokyo, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (13th August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 3rd highest AQI at 25 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 12th Aug - 13th Aug 2026
Honcho, Kokubunji, Tokyo, Japan
4 AM12th Aug 2026
6 PM
3 AM13th Aug 2026
27AQI
21AQI
27AQI
23AQI
In the last 24 hours,
Honcho's AQI reached its highest point of 27 at 5 PM during the Day, while the lowest point, 21, was recorded at 1 PM during the Day between 12th Aug and 13th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Honcho, Kokubunji, Tokyo, Japan
31°C27/35°C
31°C28/36°C
29°C27/31°C
28°C26/32°C
29°C26/32°C
32°C28/37°C
33°C30/38°C
33°C29/37°C
33°C29/39°C
30°C28/34°C
30°C26/36°C
28°C26/32°C
27°C24/31°C
27°C24/31°C
29°C24/35°C
32°C28/36°C
31°C28/36°C
32°C28/36°C
31°C25/36°C
25°C24/26°C
26°C22/31°C
27°C23/31°C
29°C26/34°C
30°C27/34°C
29°C26/34°C
29°C26/33°C
27°C25/31°C
25°C22/29°C
23°C22/25°C
26°C23/30°C
38AQI
28AQI
36AQI
30AQI
2026 Days Vs Air Quality
Honcho, Kokubunji, Tokyo, Japan
83%
187
17%
38
Total number of days with different AQI categories in last 225 days in 2026 (140 days remaining)
Under WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2026, 83% of 225 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
Honcho, Kokubunji, Tokyo, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
31AQI (US)
23AQI (US)
21AQI (US)
27AQI (US)
36AQI (US)
17AQI (US)
28AQI (US)
32AQI (US)
17AQI (US)
34AQI (US)
29AQI (US)
15AQI (US)
30AQI (US)
17AQI (US)
27AQI (US)
52AQI (US)
51AQI (US)
36AQI (US)
42AQI (US)
45AQI (US)
15AQI (US)
25AQI (US)
38AQI (US)
38AQI (US)
44AQI (US)
31AQI (US)
38AQI (US)
10AQI (US)
17AQI (US)
34AQI (US)
36AQI (US)
39AQI (US)
45AQI (US)
31AQI (US)
40AQI (US)
55AQI (US)
50AQI (US)
14AQI (US)
16AQI (US)
36AQI (US)
38AQI (US)
54AQI (US)
29AQI (US)
46AQI (US)
63AQI (US)
51AQI (US)
43AQI (US)
18AQI (US)
34AQI (US)
30AQI (US)
22AQI (US)
47AQI (US)
46AQI (US)
35AQI (US)
31AQI (US)
34AQI (US)
10AQI (US)
36AQI (US)
32AQI (US)
14AQI (US)
80AQI (US)
45AQI (US)
61AQI (US)
58AQI (US)
52AQI (US)
41AQI (US)
17AQI (US)
33AQI (US)
58AQI (US)
58AQI (US)
70AQI (US)
43AQI (US)
48AQI (US)
60AQI (US)
59AQI (US)
54AQI (US)
57AQI (US)
32AQI (US)
30AQI (US)
51AQI (US)
52AQI (US)
53AQI (US)
54AQI (US)
60AQI (US)
30AQI (US)
22AQI (US)
49AQI (US)
54AQI (US)
56AQI (US)
24AQI (US)
23AQI (US)
36AQI (US)
42AQI (US)
44AQI (US)
36AQI (US)
28AQI (US)
37AQI (US)
21AQI (US)
31AQI (US)
46AQI (US)
45AQI (US)
27AQI (US)
36AQI (US)
47AQI (US)
42AQI (US)
36AQI (US)
39AQI (US)
33AQI (US)
39AQI (US)
37AQI (US)
41AQI (US)
46AQI (US)
37AQI (US)
32AQI (US)
45AQI (US)
52AQI (US)
48AQI (US)
42AQI (US)
39AQI (US)
37AQI (US)
48AQI (US)
52AQI (US)
44AQI (US)
28AQI (US)
21AQI (US)
33AQI (US)
33AQI (US)
25AQI (US)
27AQI (US)
34AQI (US)
33AQI (US)
41AQI (US)
47AQI (US)
34AQI (US)
38AQI (US)
86AQI (US)
68AQI (US)
53AQI (US)
49AQI (US)
61AQI (US)
59AQI (US)
60AQI (US)
53AQI (US)
57AQI (US)
47AQI (US)
39AQI (US)
24AQI (US)
25AQI (US)
25AQI (US)
23AQI (US)
28AQI (US)
30AQI (US)
32AQI (US)
14AQI (US)
23AQI (US)
22AQI (US)
22AQI (US)
22AQI (US)
20AQI (US)
23AQI (US)
22AQI (US)
24AQI (US)
24AQI (US)
35AQI (US)
32AQI (US)
14AQI (US)
25AQI (US)
23AQI (US)
24AQI (US)
28AQI (US)
22AQI (US)
18AQI (US)
19AQI (US)
21AQI (US)
21AQI (US)
26AQI (US)
29AQI (US)
26AQI (US)
28AQI (US)
27AQI (US)
25AQI (US)
25AQI (US)
17AQI (US)
14AQI (US)
36AQI (US)
14AQI (US)
22AQI (US)
25AQI (US)
25AQI (US)
21AQI (US)
21AQI (US)
22AQI (US)
27AQI (US)
28AQI (US)
30AQI (US)
31AQI (US)
48AQI (US)
43AQI (US)
22AQI (US)
18AQI (US)
29AQI (US)
46AQI (US)
64AQI (US)
56AQI (US)
47AQI (US)
41AQI (US)
22AQI (US)
21AQI (US)
24AQI (US)
29AQI (US)
32AQI (US)
54AQI (US)
61AQI (US)
41AQI (US)
13AQI (US)
24AQI (US)
24AQI (US)
25AQI (US)
26AQI (US)
24AQI (US)
26AQI (US)
23AQI (US)
30AQI (US)
23AQI (US)
25AQI (US)
30AQI (US)
37AQI (US)
48AQI (US)
38AQI (US)
42AQI (US)
24AQI (US)
31AQI (US)
28AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
March48AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202538AQI (US)
Highest AQI (US) recorded in
October50AQI (US)
Lowest AQI (US) recorded in
June28AQI (US)
202436AQI (US)
Highest AQI (US) recorded in
April46AQI (US)
Lowest AQI (US) recorded in
December27AQI (US)
202337AQI (US)
Highest AQI (US) recorded in
April48AQI (US)
Lowest AQI (US) recorded in
August28AQI (US)
202019AQI (US)
Highest AQI (US) recorded in
September19AQI (US)
Lowest AQI (US) recorded in
September19AQI (US)
Most & Least Polluted Years Over the Last 5 Years
Honcho's annual 2026 AQI (US) (35) shows an average percentage change of 17.03% (worsened AQI (US)) compared to previous years: 2020 (19), 2023 (37), 2024 (36), 2025 (38).