Seijo, Kamirenjaku, 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
Seijo, Kamirenjaku, Tokyo, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (18th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 28 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 17th Aug - 18th Aug 2026
Seijo, Kamirenjaku, Tokyo, Japan
4 AM17th Aug 2026
6 PM
3 AM18th Aug 2026
29AQI
21AQI
25AQI
21AQI
In the last 24 hours,
Seijo's AQI reached its highest point of 29 at 3 PM during the Day, while the lowest point, 21, was recorded at 3 AM during the Night between 17th Aug and 18th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Seijo, Kamirenjaku, Tokyo, Japan
30°C27/34°C
33°C29/36°C
33°C29/36°C
33°C29/38°C
30°C28/34°C
30°C26/35°C
28°C26/32°C
27°C25/31°C
27°C24/31°C
29°C25/34°C
32°C28/36°C
31°C28/35°C
31°C28/36°C
31°C25/35°C
25°C24/27°C
26°C23/30°C
27°C24/31°C
29°C26/33°C
30°C27/34°C
29°C26/34°C
29°C26/33°C
28°C25/31°C
25°C22/29°C
24°C23/25°C
26°C23/30°C
27°C24/30°C
27°C25/31°C
27°C24/29°C
13°C8/18°C
28°C25/32°C
45AQI
28AQI
39AQI
31AQI
2026 Days Vs Air Quality
Seijo, Kamirenjaku, Tokyo, Japan
85%
196
15%
34
Total number of days with different AQI categories in last 230 days in 2026 (135 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2026, 85% of 230 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
Seijo, Kamirenjaku, Tokyo, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
24AQI (US)
16AQI (US)
13AQI (US)
23AQI (US)
37AQI (US)
10AQI (US)
25AQI (US)
33AQI (US)
16AQI (US)
33AQI (US)
31AQI (US)
16AQI (US)
32AQI (US)
23AQI (US)
35AQI (US)
46AQI (US)
49AQI (US)
27AQI (US)
41AQI (US)
38AQI (US)
14AQI (US)
20AQI (US)
38AQI (US)
40AQI (US)
46AQI (US)
29AQI (US)
40AQI (US)
12AQI (US)
19AQI (US)
34AQI (US)
37AQI (US)
37AQI (US)
37AQI (US)
29AQI (US)
38AQI (US)
57AQI (US)
53AQI (US)
13AQI (US)
16AQI (US)
32AQI (US)
37AQI (US)
50AQI (US)
24AQI (US)
52AQI (US)
63AQI (US)
49AQI (US)
50AQI (US)
21AQI (US)
35AQI (US)
23AQI (US)
23AQI (US)
49AQI (US)
46AQI (US)
35AQI (US)
33AQI (US)
39AQI (US)
10AQI (US)
28AQI (US)
48AQI (US)
37AQI (US)
83AQI (US)
46AQI (US)
59AQI (US)
58AQI (US)
54AQI (US)
38AQI (US)
17AQI (US)
26AQI (US)
15AQI (US)
27AQI (US)
70AQI (US)
44AQI (US)
47AQI (US)
60AQI (US)
57AQI (US)
53AQI (US)
56AQI (US)
39AQI (US)
35AQI (US)
56AQI (US)
51AQI (US)
52AQI (US)
48AQI (US)
71AQI (US)
35AQI (US)
27AQI (US)
47AQI (US)
60AQI (US)
57AQI (US)
27AQI (US)
26AQI (US)
35AQI (US)
46AQI (US)
46AQI (US)
36AQI (US)
29AQI (US)
27AQI (US)
26AQI (US)
32AQI (US)
47AQI (US)
44AQI (US)
29AQI (US)
36AQI (US)
42AQI (US)
38AQI (US)
35AQI (US)
39AQI (US)
33AQI (US)
41AQI (US)
38AQI (US)
42AQI (US)
47AQI (US)
32AQI (US)
33AQI (US)
46AQI (US)
53AQI (US)
49AQI (US)
42AQI (US)
40AQI (US)
36AQI (US)
45AQI (US)
50AQI (US)
52AQI (US)
31AQI (US)
25AQI (US)
32AQI (US)
33AQI (US)
25AQI (US)
26AQI (US)
30AQI (US)
31AQI (US)
36AQI (US)
44AQI (US)
41AQI (US)
38AQI (US)
86AQI (US)
69AQI (US)
54AQI (US)
49AQI (US)
61AQI (US)
59AQI (US)
59AQI (US)
53AQI (US)
58AQI (US)
48AQI (US)
39AQI (US)
24AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
28AQI (US)
40AQI (US)
22AQI (US)
15AQI (US)
23AQI (US)
22AQI (US)
21AQI (US)
23AQI (US)
20AQI (US)
22AQI (US)
22AQI (US)
24AQI (US)
25AQI (US)
41AQI (US)
43AQI (US)
15AQI (US)
25AQI (US)
24AQI (US)
23AQI (US)
29AQI (US)
23AQI (US)
20AQI (US)
19AQI (US)
22AQI (US)
22AQI (US)
27AQI (US)
29AQI (US)
24AQI (US)
28AQI (US)
28AQI (US)
26AQI (US)
32AQI (US)
16AQI (US)
16AQI (US)
43AQI (US)
18AQI (US)
26AQI (US)
26AQI (US)
24AQI (US)
23AQI (US)
23AQI (US)
25AQI (US)
26AQI (US)
29AQI (US)
42AQI (US)
40AQI (US)
62AQI (US)
48AQI (US)
28AQI (US)
25AQI (US)
36AQI (US)
48AQI (US)
54AQI (US)
54AQI (US)
43AQI (US)
39AQI (US)
25AQI (US)
24AQI (US)
32AQI (US)
37AQI (US)
37AQI (US)
52AQI (US)
62AQI (US)
39AQI (US)
17AQI (US)
33AQI (US)
28AQI (US)
25AQI (US)
32AQI (US)
45AQI (US)
34AQI (US)
30AQI (US)
35AQI (US)
26AQI (US)
26AQI (US)
20AQI (US)
31AQI (US)
26AQI (US)
23AQI (US)
28AQI (US)
29AQI (US)
37AQI (US)
47AQI (US)
38AQI (US)
42AQI (US)
25AQI (US)
34AQI (US)
31AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
March47AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202534AQI (US)
Highest AQI (US) recorded in
August46AQI (US)
Lowest AQI (US) recorded in
June20AQI (US)
202432AQI (US)
Highest AQI (US) recorded in
July40AQI (US)
Lowest AQI (US) recorded in
August24AQI (US)
202332AQI (US)
Highest AQI (US) recorded in
April43AQI (US)
Lowest AQI (US) recorded in
August19AQI (US)
202230AQI (US)
Highest AQI (US) recorded in
April36AQI (US)
Lowest AQI (US) recorded in
August21AQI (US)
202123AQI (US)
Highest AQI (US) recorded in
June34AQI (US)
Lowest AQI (US) recorded in
February12AQI (US)
202016AQI (US)
Highest AQI (US) recorded in
August24AQI (US)
Lowest AQI (US) recorded in
October12AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Seijo's annual 2026 AQI (US) (36) shows an average percentage change of 38.7% (worsened AQI (US)) compared to previous years: 2020 (16), 2021 (23), 2022 (30), 2023 (32), 2024 (32), 2025 (34).