Setagaya, Shibuya, 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
Setagaya, Shibuya, Tokyo, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (13th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 58 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 13th Oct - 14th Oct 2025
Setagaya, Shibuya, Tokyo, Japan
5 AM13th Oct 2025
5 PM
4 AM14th Oct 2025
66AQI
50AQI
58AQI
46AQI
In the last 24 hours,
Setagaya's AQI reached its highest point of 66 at 5 AM during the Day, while the lowest point, 46, was recorded at 1 AM during the Night between 13th Oct and 14th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Setagaya, Shibuya, Tokyo, Japan
29°C27/33°C
28°C26/31°C
29°C27/32°C
30°C27/33°C
30°C24/35°C
23°C22/23°C
25°C23/26°C
26°C22/31°C
24°C22/26°C
23°C21/27°C
24°C21/27°C
25°C23/27°C
27°C25/31°C
25°C24/27°C
26°C24/28°C
27°C24/31°C
24°C22/27°C
21°C20/21°C
23°C20/27°C
24°C22/26°C
24°C23/25°C
25°C22/28°C
24°C21/27°C
22°C21/23°C
24°C21/28°C
21°C19/22°C
21°C19/23°C
19°C18/21°C
21°C18/24°C
23°C21/25°C
--°C/°C
48AQI
42AQI
43AQI
41AQI
2025 Days Vs Air Quality
Setagaya, Shibuya, Tokyo, Japan
91%
259
9%
27
Total number of days with different AQI categories in last 287 days in 2025 (78 days remaining)
Under WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2025, 91% of 287 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
Setagaya, Shibuya, Tokyo, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
30AQI
29AQI
27AQI
27AQI
25AQI
30AQI
27AQI
29AQI
26AQI
25AQI
24AQI
27AQI
29AQI
27AQI
30AQI
24AQI
29AQI
27AQI
31AQI
31AQI
33AQI
34AQI
33AQI
38AQI
33AQI
33AQI
25AQI
31AQI
27AQI
27AQI
29AQI
29AQI
31AQI
26AQI
32AQI
30AQI
28AQI
28AQI
30AQI
28AQI
28AQI
30AQI
29AQI
34AQI
29AQI
31AQI
33AQI
34AQI
31AQI
30AQI
30AQI
31AQI
31AQI
32AQI
32AQI
33AQI
31AQI
39AQI
40AQI
48AQI
46AQI
38AQI
33AQI
29AQI
33AQI
33AQI
33AQI
36AQI
34AQI
33AQI
34AQI
39AQI
28AQI
24AQI
20AQI
17AQI
18AQI
15AQI
18AQI
25AQI
29AQI
32AQI
32AQI
51AQI
58AQI
56AQI
37AQI
30AQI
38AQI
29AQI
24AQI
21AQI
18AQI
20AQI
18AQI
15AQI
15AQI
17AQI
16AQI
21AQI
20AQI
21AQI
18AQI
22AQI
19AQI
18AQI
24AQI
25AQI
30AQI
23AQI
22AQI
20AQI
14AQI
17AQI
17AQI
19AQI
19AQI
17AQI
14AQI
17AQI
18AQI
16AQI
16AQI
22AQI
17AQI
17AQI
14AQI
17AQI
16AQI
14AQI
15AQI
15AQI
18AQI
17AQI
20AQI
19AQI
19AQI
21AQI
23AQI
35AQI
29AQI
24AQI
22AQI
20AQI
17AQI
17AQI
16AQI
15AQI
18AQI
14AQI
13AQI
15AQI
16AQI
16AQI
16AQI
21AQI
20AQI
22AQI
27AQI
21AQI
19AQI
19AQI
20AQI
19AQI
17AQI
17AQI
18AQI
24AQI
21AQI
23AQI
21AQI
19AQI
12AQI
12AQI
13AQI
14AQI
15AQI
17AQI
17AQI
18AQI
30AQI
32AQI
38AQI
44AQI
44AQI
47AQI
55AQI
69AQI
72AQI
77AQI
60AQI
56AQI
57AQI
55AQI
49AQI
49AQI
47AQI
48AQI
45AQI
36AQI
36AQI
37AQI
38AQI
41AQI
42AQI
40AQI
39AQI
33AQI
40AQI
40AQI
36AQI
35AQI
34AQI
42AQI
46AQI
62AQI
52AQI
50AQI
47AQI
49AQI
49AQI
36AQI
38AQI
35AQI
33AQI
36AQI
35AQI
36AQI
39AQI
43AQI
45AQI
47AQI
50AQI
49AQI
49AQI
56AQI
56AQI
55AQI
51AQI
46AQI
52AQI
55AQI
54AQI
43AQI
38AQI
37AQI
38AQI
32AQI
29AQI
30AQI
38AQI
42AQI
37AQI
31AQI
31AQI
27AQI
36AQI
39AQI
39AQI
48AQI
47AQI
37AQI
37AQI
27AQI
29AQI
28AQI
31AQI
31AQI
50AQI
42AQI
33AQI
36AQI
42AQI
41AQI
43AQI
53AQI
58AQI
59AQI
50AQI
48AQI
55AQI
57AQI
51AQI
48AQI
35AQI
58AQI
29AQI
31AQI
33AQI
19AQI
19AQI
19AQI
46AQI
46AQI
36AQI
50AQI
No. of days
202532AQI
Highest AQI recorded in
October50AQI
Lowest AQI recorded in
May19AQI
202433AQI
Highest AQI recorded in
July39AQI
Lowest AQI recorded in
April11AQI
202331AQI
Highest AQI recorded in
April42AQI
Lowest AQI recorded in
August19AQI
202232AQI
Highest AQI recorded in
June45AQI
Lowest AQI recorded in
August20AQI
202124AQI
Highest AQI recorded in
June34AQI
Lowest AQI recorded in
February13AQI
202016AQI
Highest AQI recorded in
March22AQI
Lowest AQI recorded in
September12AQI
Most & Least Polluted Years Over the Last 6 Years
Setagaya's annual 2025 AQI (32) shows an average percentage change of 28.09% (worsened AQI) compared to previous years: 2020 (16), 2021 (24), 2022 (32), 2023 (31), 2024 (33).