Yagicho, Hachioji, 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
Yagicho, Hachioji, Tokyo, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (16th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 22 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 15th Aug - 16th Aug 2026
Yagicho, Hachioji, Tokyo, Japan
4 AM15th Aug 2026
6 PM
3 AM16th Aug 2026
29AQI
21AQI
27AQI
21AQI
In the last 24 hours,
Yagicho's AQI reached its highest point of 29 at 6 AM during the Day, while the lowest point, 21, was recorded at 3 AM during the Night between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Yagicho, Hachioji, Tokyo, Japan
27°C24/30°C
27°C24/31°C
30°C25/35°C
31°C27/36°C
31°C26/36°C
31°C27/36°C
29°C26/32°C
29°C25/34°C
27°C24/30°C
26°C22/30°C
25°C23/29°C
27°C22/34°C
29°C24/35°C
29°C25/34°C
29°C25/35°C
29°C24/35°C
23°C22/25°C
24°C21/30°C
25°C21/30°C
28°C25/32°C
28°C24/33°C
28°C24/33°C
28°C24/32°C
26°C23/30°C
24°C21/28°C
22°C21/23°C
25°C22/28°C
25°C23/28°C
25°C23/30°C
25°C23/29°C
37AQI
37AQI
41AQI
33AQI
2026 Days Vs Air Quality
Yagicho, Hachioji, Tokyo, Japan
82%
186
18%
42
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Under WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2026, 82% of 228 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
Yagicho, Hachioji, Tokyo, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
25AQI (US)
16AQI (US)
14AQI (US)
16AQI (US)
30AQI (US)
22AQI (US)
27AQI (US)
28AQI (US)
22AQI (US)
24AQI (US)
20AQI (US)
15AQI (US)
27AQI (US)
17AQI (US)
45AQI (US)
48AQI (US)
47AQI (US)
42AQI (US)
38AQI (US)
40AQI (US)
20AQI (US)
30AQI (US)
52AQI (US)
51AQI (US)
42AQI (US)
27AQI (US)
42AQI (US)
27AQI (US)
27AQI (US)
36AQI (US)
36AQI (US)
43AQI (US)
55AQI (US)
30AQI (US)
46AQI (US)
51AQI (US)
43AQI (US)
16AQI (US)
20AQI (US)
39AQI (US)
47AQI (US)
50AQI (US)
36AQI (US)
51AQI (US)
64AQI (US)
53AQI (US)
47AQI (US)
18AQI (US)
33AQI (US)
31AQI (US)
28AQI (US)
48AQI (US)
44AQI (US)
41AQI (US)
37AQI (US)
35AQI (US)
10AQI (US)
30AQI (US)
49AQI (US)
49AQI (US)
82AQI (US)
49AQI (US)
45AQI (US)
58AQI (US)
52AQI (US)
49AQI (US)
46AQI (US)
52AQI (US)
58AQI (US)
58AQI (US)
73AQI (US)
45AQI (US)
37AQI (US)
15AQI (US)
31AQI (US)
54AQI (US)
57AQI (US)
38AQI (US)
30AQI (US)
50AQI (US)
54AQI (US)
54AQI (US)
48AQI (US)
66AQI (US)
22AQI (US)
20AQI (US)
51AQI (US)
54AQI (US)
57AQI (US)
27AQI (US)
18AQI (US)
34AQI (US)
45AQI (US)
46AQI (US)
37AQI (US)
28AQI (US)
42AQI (US)
22AQI (US)
32AQI (US)
46AQI (US)
37AQI (US)
36AQI (US)
39AQI (US)
49AQI (US)
44AQI (US)
36AQI (US)
40AQI (US)
35AQI (US)
40AQI (US)
39AQI (US)
40AQI (US)
45AQI (US)
37AQI (US)
32AQI (US)
46AQI (US)
52AQI (US)
49AQI (US)
42AQI (US)
41AQI (US)
38AQI (US)
48AQI (US)
50AQI (US)
44AQI (US)
28AQI (US)
24AQI (US)
34AQI (US)
36AQI (US)
28AQI (US)
28AQI (US)
35AQI (US)
37AQI (US)
41AQI (US)
45AQI (US)
42AQI (US)
44AQI (US)
86AQI (US)
68AQI (US)
53AQI (US)
49AQI (US)
62AQI (US)
60AQI (US)
62AQI (US)
54AQI (US)
59AQI (US)
47AQI (US)
39AQI (US)
25AQI (US)
25AQI (US)
25AQI (US)
25AQI (US)
28AQI (US)
32AQI (US)
33AQI (US)
23AQI (US)
23AQI (US)
21AQI (US)
23AQI (US)
22AQI (US)
20AQI (US)
22AQI (US)
22AQI (US)
24AQI (US)
25AQI (US)
28AQI (US)
27AQI (US)
17AQI (US)
19AQI (US)
24AQI (US)
25AQI (US)
30AQI (US)
23AQI (US)
20AQI (US)
18AQI (US)
22AQI (US)
21AQI (US)
23AQI (US)
29AQI (US)
26AQI (US)
28AQI (US)
28AQI (US)
39AQI (US)
58AQI (US)
18AQI (US)
16AQI (US)
46AQI (US)
15AQI (US)
31AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
28AQI (US)
28AQI (US)
28AQI (US)
28AQI (US)
29AQI (US)
45AQI (US)
77AQI (US)
65AQI (US)
27AQI (US)
18AQI (US)
34AQI (US)
65AQI (US)
81AQI (US)
77AQI (US)
59AQI (US)
60AQI (US)
28AQI (US)
27AQI (US)
37AQI (US)
32AQI (US)
33AQI (US)
68AQI (US)
76AQI (US)
54AQI (US)
16AQI (US)
29AQI (US)
30AQI (US)
27AQI (US)
23AQI (US)
23AQI (US)
28AQI (US)
23AQI (US)
31AQI (US)
23AQI (US)
22AQI (US)
22AQI (US)
24AQI (US)
22AQI (US)
31AQI (US)
39AQI (US)
48AQI (US)
39AQI (US)
43AQI (US)
25AQI (US)
40AQI (US)
30AQI (US)
No. of days
202637AQI (US)
Highest AQI (US) recorded in
March48AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202534AQI (US)
Highest AQI (US) recorded in
July48AQI (US)
Lowest AQI (US) recorded in
June20AQI (US)
202428AQI (US)
Highest AQI (US) recorded in
June37AQI (US)
Lowest AQI (US) recorded in
January21AQI (US)
202327AQI (US)
Highest AQI (US) recorded in
April37AQI (US)
Lowest AQI (US) recorded in
December20AQI (US)
202228AQI (US)
Highest AQI (US) recorded in
April38AQI (US)
Lowest AQI (US) recorded in
January14AQI (US)
202121AQI (US)
Highest AQI (US) recorded in
June34AQI (US)
Lowest AQI (US) recorded in
February11AQI (US)
202016AQI (US)
Highest AQI (US) recorded in
August27AQI (US)
Lowest AQI (US) recorded in
April10AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Yagicho's annual 2026 AQI (US) (37) shows an average percentage change of 52.9% (worsened AQI (US)) compared to previous years: 2020 (16), 2021 (21), 2022 (28), 2023 (27), 2024 (28), 2025 (34).