Sekimae, Kamirenjaku, Tokyo, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Sekimae, Kamirenjaku, Tokyo, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 43 of Good air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Sekimae, Kamirenjaku, Tokyo, Japan
5 AM4th Oct 2025
5 PM
4 AM5th Oct 2025
AQI
AQI
60AQI
49AQI
In the last 24 hours,
Sekimae's AQI reached its highest point of 60 at 6 PM during the Night, while the lowest point, 49, was recorded at 10 PM during the Night between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Sekimae, Kamirenjaku, Tokyo, Japan
25°C23/26°C
27°C24/32°C
29°C26/33°C
31°C27/36°C
30°C28/33°C
30°C28/32°C
27°C24/30°C
25°C24/27°C
27°C24/31°C
29°C26/33°C
29°C26/32°C
29°C28/33°C
31°C27/35°C
30°C24/37°C
23°C22/23°C
24°C23/25°C
26°C23/32°C
24°C22/27°C
23°C21/27°C
24°C21/27°C
25°C22/28°C
28°C25/32°C
25°C24/28°C
26°C24/28°C
27°C24/32°C
24°C22/27°C
21°C20/21°C
23°C20/27°C
24°C22/26°C
--°C/°C
--°C/°C
38AQI
35AQI
35AQI
35AQI
2025 Days Vs Air Quality
Sekimae, Kamirenjaku, Tokyo, Japan
93%
257
7%
19
Total number of days with different AQI categories in last 277 days in 2025 (88 days remaining)
Under WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2025, 93% of 277 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Sekimae, Kamirenjaku, Tokyo, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
27AQI
25AQI
23AQI
25AQI
23AQI
29AQI
23AQI
27AQI
22AQI
23AQI
23AQI
26AQI
26AQI
24AQI
27AQI
23AQI
26AQI
25AQI
28AQI
28AQI
29AQI
27AQI
30AQI
34AQI
31AQI
31AQI
23AQI
29AQI
24AQI
26AQI
25AQI
29AQI
30AQI
26AQI
29AQI
28AQI
26AQI
27AQI
28AQI
27AQI
26AQI
29AQI
27AQI
36AQI
27AQI
29AQI
30AQI
32AQI
29AQI
28AQI
29AQI
29AQI
30AQI
31AQI
32AQI
33AQI
34AQI
36AQI
39AQI
44AQI
44AQI
32AQI
30AQI
26AQI
30AQI
31AQI
31AQI
34AQI
32AQI
33AQI
30AQI
36AQI
23AQI
21AQI
17AQI
15AQI
15AQI
13AQI
16AQI
24AQI
26AQI
30AQI
31AQI
51AQI
61AQI
57AQI
38AQI
31AQI
34AQI
28AQI
23AQI
20AQI
18AQI
18AQI
18AQI
14AQI
15AQI
17AQI
16AQI
20AQI
21AQI
20AQI
18AQI
21AQI
19AQI
17AQI
22AQI
27AQI
30AQI
24AQI
23AQI
20AQI
15AQI
16AQI
19AQI
19AQI
20AQI
19AQI
14AQI
18AQI
17AQI
17AQI
16AQI
21AQI
17AQI
17AQI
15AQI
17AQI
16AQI
13AQI
15AQI
16AQI
17AQI
18AQI
19AQI
23AQI
17AQI
23AQI
24AQI
39AQI
34AQI
26AQI
26AQI
23AQI
18AQI
18AQI
18AQI
21AQI
21AQI
16AQI
14AQI
15AQI
16AQI
16AQI
16AQI
21AQI
23AQI
23AQI
30AQI
23AQI
19AQI
18AQI
22AQI
21AQI
19AQI
18AQI
18AQI
26AQI
23AQI
25AQI
24AQI
21AQI
14AQI
14AQI
15AQI
15AQI
15AQI
17AQI
17AQI
19AQI
31AQI
37AQI
42AQI
44AQI
45AQI
47AQI
55AQI
70AQI
75AQI
80AQI
63AQI
55AQI
55AQI
54AQI
47AQI
45AQI
44AQI
42AQI
39AQI
33AQI
33AQI
37AQI
38AQI
44AQI
44AQI
41AQI
39AQI
34AQI
41AQI
41AQI
33AQI
34AQI
35AQI
42AQI
45AQI
62AQI
52AQI
50AQI
47AQI
47AQI
49AQI
35AQI
37AQI
35AQI
33AQI
36AQI
34AQI
37AQI
39AQI
42AQI
46AQI
48AQI
49AQI
50AQI
49AQI
56AQI
56AQI
55AQI
50AQI
47AQI
52AQI
55AQI
54AQI
44AQI
38AQI
37AQI
36AQI
28AQI
29AQI
31AQI
38AQI
42AQI
37AQI
31AQI
32AQI
28AQI
37AQI
39AQI
39AQI
48AQI
45AQI
35AQI
34AQI
26AQI
28AQI
29AQI
30AQI
29AQI
44AQI
34AQI
30AQI
32AQI
25AQI
37AQI
43AQI
43AQI
26AQI
30AQI
31AQI
19AQI
20AQI
20AQI
46AQI
46AQI
35AQI
41AQI
No. of days
202530AQI
Highest AQI recorded in
July46AQI
Lowest AQI recorded in
April19AQI
202430AQI
Highest AQI recorded in
July40AQI
Lowest AQI recorded in
September24AQI
202330AQI
Highest AQI recorded in
April41AQI
Lowest AQI recorded in
August19AQI
202228AQI
Highest AQI recorded in
May39AQI
Lowest AQI recorded in
August16AQI
202123AQI
Highest AQI recorded in
June31AQI
Lowest AQI recorded in
February11AQI
202015AQI
Highest AQI recorded in
August25AQI
Lowest AQI recorded in
April11AQI
Most & Least Polluted Years Over the Last 6 Years
Sekimae's annual 2025 AQI (30) shows an average percentage change of 29.5% (worsened AQI) compared to previous years: 2020 (15), 2021 (23), 2022 (28), 2023 (30), 2024 (30).