Mizonokuchi, Chofugaoka, 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
Mizonokuchi, Chofugaoka, Tokyo, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 40 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Mizonokuchi, Chofugaoka, Tokyo, Japan
4 AM3rd Aug 2025
6 PM
3 AM4th Aug 2025
AQI
AQI
59AQI
38AQI
In the last 24 hours,
Mizonokuchi's AQI reached its highest point of 59 at 12 PM during the Night, while the lowest point, 38, was recorded at 2 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Mizonokuchi, Chofugaoka, Tokyo, Japan
30°C27/33°C
31°C28/35°C
31°C28/35°C
30°C28/34°C
30°C27/34°C
29°C24/35°C
24°C23/27°C
25°C22/29°C
27°C24/31°C
27°C25/30°C
28°C26/30°C
28°C26/31°C
29°C26/31°C
28°C25/31°C
29°C26/32°C
30°C27/33°C
31°C28/35°C
31°C28/35°C
31°C28/35°C
31°C28/35°C
32°C29/35°C
31°C29/36°C
31°C29/35°C
31°C29/36°C
31°C27/37°C
31°C27/36°C
29°C26/34°C
29°C27/32°C
31°C27/36°C
--°C/°C
--°C/°C
47AQI
42AQI
45AQI
41AQI
2025 Days Vs Air Quality
Mizonokuchi, Chofugaoka, Tokyo, Japan
94%
202
6%
12
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2025, 94% 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
Mizonokuchi, Chofugaoka, Tokyo, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
29AQI
34AQI
29AQI
33AQI
28AQI
49AQI
36AQI
35AQI
33AQI
29AQI
26AQI
29AQI
33AQI
28AQI
32AQI
24AQI
29AQI
27AQI
32AQI
34AQI
34AQI
39AQI
40AQI
38AQI
36AQI
33AQI
34AQI
30AQI
31AQI
28AQI
29AQI
26AQI
25AQI
30AQI
31AQI
30AQI
28AQI
28AQI
28AQI
28AQI
26AQI
29AQI
28AQI
32AQI
30AQI
30AQI
32AQI
34AQI
30AQI
30AQI
29AQI
30AQI
30AQI
32AQI
32AQI
32AQI
33AQI
36AQI
40AQI
51AQI
46AQI
39AQI
30AQI
26AQI
31AQI
31AQI
30AQI
34AQI
32AQI
31AQI
38AQI
38AQI
31AQI
28AQI
23AQI
20AQI
21AQI
17AQI
21AQI
26AQI
29AQI
31AQI
31AQI
47AQI
57AQI
55AQI
37AQI
31AQI
34AQI
30AQI
24AQI
22AQI
19AQI
21AQI
20AQI
16AQI
18AQI
19AQI
17AQI
22AQI
23AQI
22AQI
19AQI
22AQI
21AQI
19AQI
26AQI
29AQI
33AQI
25AQI
24AQI
22AQI
17AQI
19AQI
20AQI
20AQI
21AQI
21AQI
15AQI
21AQI
20AQI
18AQI
17AQI
25AQI
20AQI
18AQI
18AQI
18AQI
18AQI
14AQI
17AQI
16AQI
19AQI
19AQI
20AQI
21AQI
17AQI
23AQI
26AQI
53AQI
34AQI
30AQI
26AQI
24AQI
20AQI
19AQI
21AQI
17AQI
19AQI
16AQI
14AQI
16AQI
18AQI
21AQI
17AQI
22AQI
23AQI
35AQI
29AQI
25AQI
23AQI
22AQI
24AQI
24AQI
20AQI
21AQI
21AQI
29AQI
25AQI
27AQI
24AQI
19AQI
12AQI
13AQI
14AQI
16AQI
15AQI
20AQI
18AQI
21AQI
36AQI
40AQI
45AQI
43AQI
45AQI
51AQI
62AQI
76AQI
76AQI
79AQI
56AQI
50AQI
54AQI
53AQI
43AQI
43AQI
41AQI
43AQI
38AQI
34AQI
36AQI
36AQI
37AQI
38AQI
41AQI
37AQI
35AQI
31AQI
39AQI
37AQI
32AQI
32AQI
33AQI
40AQI
32AQI
30AQI
33AQI
21AQI
21AQI
22AQI
45AQI
37AQI
No. of days
202529AQI
Highest AQI recorded in
July45AQI
Lowest AQI recorded in
May21AQI
202436AQI
Highest AQI recorded in
April47AQI
Lowest AQI recorded in
November29AQI
202342AQI
Highest AQI recorded in
July54AQI
Lowest AQI recorded in
August30AQI
202237AQI
Highest AQI recorded in
March45AQI
Lowest AQI recorded in
August24AQI
202126AQI
Highest AQI recorded in
December41AQI
Lowest AQI recorded in
February10AQI
202027AQI
Highest AQI recorded in
August46AQI
Lowest AQI recorded in
September10AQI
Most & Least Polluted Years Over the Last 6 Years
Mizonokuchi's annual 2025 AQI (29) shows an average percentage change of -9.4% (improved AQI) compared to previous years: 2020 (27), 2021 (26), 2022 (37), 2023 (42), 2024 (36).