Himonya, Shibuya, 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
Himonya, Shibuya, Tokyo, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 35 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Himonya, Shibuya, Tokyo, Japan
4 AM2nd Aug 2025
6 PM
3 AM3rd Aug 2025
54AQI
34AQI
54AQI
32AQI
In the last 24 hours,
Himonya's AQI reached its highest point of 54 at 3 PM during the Day, while the lowest point, 32, was recorded at 12 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Himonya, Shibuya, Tokyo, Japan
28°C26/32°C
29°C27/32°C
30°C28/35°C
30°C28/34°C
30°C27/33°C
27°C26/29°C
29°C23/33°C
24°C23/27°C
24°C22/27°C
27°C24/31°C
26°C25/29°C
27°C26/29°C
27°C26/28°C
28°C26/31°C
28°C26/31°C
28°C26/32°C
29°C27/32°C
30°C28/33°C
30°C28/33°C
30°C28/33°C
30°C28/34°C
31°C29/34°C
31°C29/34°C
30°C29/34°C
30°C28/35°C
31°C27/36°C
30°C27/35°C
29°C26/33°C
28°C26/32°C
30°C27/35°C
--°C/°C
47AQI
43AQI
45AQI
44AQI
2025 Days Vs Air Quality
Himonya, Shibuya, Tokyo, Japan
95%
203
5%
10
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2025, 95% of 215 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
Himonya, Shibuya, Tokyo, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI
27AQI
25AQI
26AQI
26AQI
31AQI
28AQI
30AQI
27AQI
26AQI
23AQI
26AQI
28AQI
26AQI
30AQI
24AQI
29AQI
26AQI
30AQI
31AQI
31AQI
32AQI
33AQI
36AQI
33AQI
33AQI
24AQI
29AQI
26AQI
26AQI
27AQI
27AQI
30AQI
26AQI
29AQI
29AQI
28AQI
28AQI
29AQI
29AQI
27AQI
30AQI
29AQI
31AQI
29AQI
30AQI
33AQI
33AQI
31AQI
30AQI
30AQI
30AQI
31AQI
32AQI
33AQI
33AQI
34AQI
37AQI
40AQI
46AQI
44AQI
36AQI
32AQI
27AQI
32AQI
32AQI
33AQI
35AQI
34AQI
33AQI
35AQI
35AQI
29AQI
23AQI
19AQI
17AQI
17AQI
15AQI
17AQI
24AQI
26AQI
28AQI
27AQI
47AQI
60AQI
55AQI
37AQI
31AQI
39AQI
30AQI
24AQI
21AQI
18AQI
20AQI
19AQI
16AQI
17AQI
18AQI
17AQI
22AQI
22AQI
22AQI
19AQI
23AQI
20AQI
19AQI
27AQI
28AQI
34AQI
25AQI
24AQI
21AQI
16AQI
20AQI
19AQI
21AQI
21AQI
20AQI
15AQI
19AQI
19AQI
17AQI
19AQI
26AQI
20AQI
18AQI
16AQI
19AQI
17AQI
15AQI
17AQI
17AQI
20AQI
20AQI
22AQI
21AQI
19AQI
23AQI
27AQI
39AQI
32AQI
28AQI
25AQI
24AQI
19AQI
18AQI
17AQI
16AQI
19AQI
15AQI
13AQI
14AQI
18AQI
19AQI
18AQI
23AQI
23AQI
25AQI
30AQI
24AQI
21AQI
20AQI
22AQI
20AQI
18AQI
18AQI
18AQI
25AQI
21AQI
24AQI
22AQI
19AQI
12AQI
12AQI
13AQI
15AQI
15AQI
18AQI
18AQI
19AQI
29AQI
30AQI
37AQI
40AQI
42AQI
46AQI
55AQI
68AQI
73AQI
77AQI
61AQI
56AQI
57AQI
56AQI
49AQI
48AQI
46AQI
45AQI
42AQI
35AQI
34AQI
36AQI
37AQI
38AQI
39AQI
37AQI
34AQI
30AQI
38AQI
37AQI
32AQI
31AQI
35AQI
28AQI
31AQI
32AQI
21AQI
21AQI
20AQI
45AQI
35AQI
No. of days
202528AQI
Highest AQI recorded in
July45AQI
Lowest AQI recorded in
June20AQI
202435AQI
Highest AQI recorded in
April48AQI
Lowest AQI recorded in
December27AQI
202340AQI
Highest AQI recorded in
April47AQI
Lowest AQI recorded in
August29AQI
202231AQI
Highest AQI recorded in
April37AQI
Lowest AQI recorded in
August19AQI
202124AQI
Highest AQI recorded in
June37AQI
Lowest AQI recorded in
January12AQI
202015AQI
Highest AQI recorded in
August25AQI
Lowest AQI recorded in
May11AQI
Most & Least Polluted Years Over the Last 6 Years
Himonya's annual 2025 AQI (28) shows an average percentage change of 10.09% (worsened AQI) compared to previous years: 2020 (15), 2021 (24), 2022 (31), 2023 (40), 2024 (35).