Higashiyamato, 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
Higashiyamato, Tokyo, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (7th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 36 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 6th Aug - 7th Aug 2026
Higashiyamato, Tokyo, Japan
4 AM6th Aug 2026
6 PM
3 AM7th Aug 2026
49AQI
23AQI
56AQI
21AQI
In the last 24 hours,
Higashiyamato's AQI reached its highest point of 56 at 12 AM during the Night, while the lowest point, 21, was recorded at 8 PM during the Night between 6th Aug and 7th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Higashiyamato, Tokyo, Japan
27°C23/31°C
28°C24/32°C
28°C25/33°C
27°C25/30°C
27°C26/29°C
29°C25/34°C
31°C27/36°C
31°C27/36°C
29°C27/31°C
28°C26/32°C
29°C26/32°C
32°C28/37°C
33°C30/38°C
33°C29/38°C
33°C29/38°C
30°C28/35°C
30°C26/36°C
28°C26/33°C
27°C24/32°C
26°C24/31°C
29°C24/35°C
32°C27/36°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
43AQI
35AQI
41AQI
33AQI
2026 Days Vs Air Quality
Higashiyamato, Tokyo, Japan
85%
186
15%
33
Total number of days with different AQI categories in last 219 days in 2026 (146 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2026, 85% 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
Higashiyamato, Tokyo, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI (US)
14AQI (US)
14AQI (US)
16AQI (US)
27AQI (US)
16AQI (US)
20AQI (US)
22AQI (US)
15AQI (US)
22AQI (US)
26AQI (US)
15AQI (US)
28AQI (US)
18AQI (US)
30AQI (US)
45AQI (US)
39AQI (US)
28AQI (US)
41AQI (US)
41AQI (US)
14AQI (US)
25AQI (US)
43AQI (US)
43AQI (US)
38AQI (US)
12AQI (US)
22AQI (US)
25AQI (US)
27AQI (US)
36AQI (US)
36AQI (US)
40AQI (US)
47AQI (US)
31AQI (US)
37AQI (US)
50AQI (US)
39AQI (US)
15AQI (US)
16AQI (US)
37AQI (US)
47AQI (US)
49AQI (US)
35AQI (US)
50AQI (US)
64AQI (US)
53AQI (US)
45AQI (US)
19AQI (US)
32AQI (US)
30AQI (US)
28AQI (US)
47AQI (US)
44AQI (US)
43AQI (US)
37AQI (US)
32AQI (US)
9AQI (US)
29AQI (US)
33AQI (US)
15AQI (US)
81AQI (US)
49AQI (US)
58AQI (US)
60AQI (US)
52AQI (US)
49AQI (US)
46AQI (US)
52AQI (US)
57AQI (US)
59AQI (US)
72AQI (US)
46AQI (US)
33AQI (US)
29AQI (US)
44AQI (US)
55AQI (US)
58AQI (US)
38AQI (US)
32AQI (US)
51AQI (US)
51AQI (US)
54AQI (US)
47AQI (US)
64AQI (US)
30AQI (US)
21AQI (US)
51AQI (US)
53AQI (US)
58AQI (US)
27AQI (US)
17AQI (US)
29AQI (US)
45AQI (US)
44AQI (US)
36AQI (US)
28AQI (US)
41AQI (US)
23AQI (US)
32AQI (US)
46AQI (US)
46AQI (US)
29AQI (US)
37AQI (US)
48AQI (US)
44AQI (US)
34AQI (US)
32AQI (US)
34AQI (US)
40AQI (US)
38AQI (US)
40AQI (US)
46AQI (US)
37AQI (US)
32AQI (US)
46AQI (US)
51AQI (US)
49AQI (US)
42AQI (US)
40AQI (US)
39AQI (US)
48AQI (US)
50AQI (US)
40AQI (US)
29AQI (US)
22AQI (US)
35AQI (US)
36AQI (US)
27AQI (US)
27AQI (US)
36AQI (US)
37AQI (US)
41AQI (US)
45AQI (US)
42AQI (US)
43AQI (US)
87AQI (US)
68AQI (US)
54AQI (US)
49AQI (US)
61AQI (US)
59AQI (US)
60AQI (US)
53AQI (US)
58AQI (US)
48AQI (US)
40AQI (US)
25AQI (US)
25AQI (US)
26AQI (US)
25AQI (US)
29AQI (US)
31AQI (US)
31AQI (US)
9AQI (US)
23AQI (US)
23AQI (US)
23AQI (US)
23AQI (US)
20AQI (US)
23AQI (US)
22AQI (US)
25AQI (US)
25AQI (US)
29AQI (US)
25AQI (US)
18AQI (US)
27AQI (US)
25AQI (US)
25AQI (US)
30AQI (US)
23AQI (US)
20AQI (US)
19AQI (US)
22AQI (US)
22AQI (US)
26AQI (US)
29AQI (US)
27AQI (US)
29AQI (US)
27AQI (US)
26AQI (US)
26AQI (US)
19AQI (US)
15AQI (US)
36AQI (US)
15AQI (US)
25AQI (US)
26AQI (US)
26AQI (US)
25AQI (US)
24AQI (US)
21AQI (US)
27AQI (US)
31AQI (US)
41AQI (US)
45AQI (US)
43AQI (US)
46AQI (US)
30AQI (US)
29AQI (US)
40AQI (US)
53AQI (US)
67AQI (US)
56AQI (US)
45AQI (US)
42AQI (US)
31AQI (US)
26AQI (US)
36AQI (US)
37AQI (US)
42AQI (US)
55AQI (US)
57AQI (US)
47AQI (US)
23AQI (US)
32AQI (US)
32AQI (US)
36AQI (US)
36AQI (US)
26AQI (US)
37AQI (US)
48AQI (US)
38AQI (US)
43AQI (US)
24AQI (US)
35AQI (US)
38AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
March48AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202533AQI (US)
Highest AQI (US) recorded in
July47AQI (US)
Lowest AQI (US) recorded in
June19AQI (US)
202432AQI (US)
Highest AQI (US) recorded in
July42AQI (US)
Lowest AQI (US) recorded in
December25AQI (US)
202331AQI (US)
Highest AQI (US) recorded in
April43AQI (US)
Lowest AQI (US) recorded in
August22AQI (US)
202228AQI (US)
Highest AQI (US) recorded in
April35AQI (US)
Lowest AQI (US) recorded in
August18AQI (US)
202122AQI (US)
Highest AQI (US) recorded in
June35AQI (US)
Lowest AQI (US) recorded in
February12AQI (US)
202016AQI (US)
Highest AQI (US) recorded in
August31AQI (US)
Lowest AQI (US) recorded in
October11AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Higashiyamato's annual 2026 AQI (US) (36) shows an average percentage change of 42.4% (worsened AQI (US)) compared to previous years: 2020 (16), 2021 (22), 2022 (28), 2023 (31), 2024 (32), 2025 (33).