Tanashicho, Honcho, 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
Tanashicho, Honcho, Tokyo, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 36 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Tanashicho, Honcho, Tokyo, Japan
4 AM2nd Aug 2025
6 PM
3 AM3rd Aug 2025
AQI
AQI
57AQI
35AQI
In the last 24 hours,
Tanashicho's AQI reached its highest point of 57 at 6 PM during the Night, while the lowest point, undefined, was recorded at 3 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Tanashicho, Honcho, Tokyo, Japan
29°C26/33°C
30°C27/34°C
31°C28/36°C
31°C28/35°C
30°C28/35°C
30°C28/35°C
30°C24/35°C
24°C23/26°C
25°C22/29°C
27°C24/31°C
27°C25/30°C
28°C26/31°C
28°C26/31°C
29°C26/32°C
28°C25/32°C
29°C26/33°C
30°C27/34°C
31°C28/36°C
31°C28/36°C
31°C29/36°C
32°C29/36°C
32°C29/36°C
32°C29/37°C
32°C29/36°C
32°C29/37°C
32°C28/38°C
31°C28/36°C
29°C26/34°C
28°C27/32°C
--°C/°C
--°C/°C
48AQI
48AQI
47AQI
44AQI
2025 Days Vs Air Quality
Tanashicho, Honcho, Tokyo, Japan
95%
202
5%
11
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2025, 95% of 214 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
Tanashicho, Honcho, Tokyo, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
30AQI
33AQI
26AQI
25AQI
24AQI
31AQI
24AQI
27AQI
23AQI
24AQI
22AQI
26AQI
27AQI
25AQI
27AQI
23AQI
26AQI
26AQI
29AQI
28AQI
32AQI
30AQI
31AQI
36AQI
31AQI
32AQI
23AQI
30AQI
24AQI
26AQI
27AQI
29AQI
30AQI
27AQI
30AQI
28AQI
27AQI
27AQI
28AQI
27AQI
26AQI
29AQI
27AQI
37AQI
27AQI
37AQI
32AQI
33AQI
29AQI
29AQI
28AQI
29AQI
28AQI
30AQI
28AQI
33AQI
33AQI
36AQI
40AQI
46AQI
45AQI
32AQI
30AQI
26AQI
30AQI
31AQI
31AQI
35AQI
32AQI
33AQI
32AQI
37AQI
24AQI
22AQI
18AQI
16AQI
16AQI
14AQI
16AQI
23AQI
27AQI
29AQI
31AQI
51AQI
60AQI
57AQI
38AQI
30AQI
35AQI
28AQI
23AQI
20AQI
17AQI
18AQI
17AQI
14AQI
16AQI
18AQI
16AQI
21AQI
21AQI
21AQI
18AQI
22AQI
20AQI
18AQI
23AQI
27AQI
31AQI
25AQI
24AQI
21AQI
15AQI
16AQI
19AQI
19AQI
20AQI
20AQI
15AQI
19AQI
18AQI
16AQI
16AQI
24AQI
19AQI
17AQI
15AQI
17AQI
17AQI
14AQI
16AQI
16AQI
18AQI
18AQI
21AQI
23AQI
17AQI
26AQI
27AQI
45AQI
38AQI
28AQI
28AQI
26AQI
20AQI
19AQI
18AQI
17AQI
20AQI
16AQI
14AQI
16AQI
19AQI
19AQI
18AQI
24AQI
26AQI
29AQI
35AQI
28AQI
21AQI
20AQI
25AQI
24AQI
19AQI
19AQI
22AQI
30AQI
24AQI
25AQI
25AQI
21AQI
13AQI
13AQI
14AQI
14AQI
14AQI
19AQI
18AQI
21AQI
35AQI
40AQI
46AQI
46AQI
45AQI
49AQI
59AQI
74AQI
79AQI
82AQI
61AQI
51AQI
55AQI
54AQI
45AQI
42AQI
41AQI
41AQI
39AQI
34AQI
36AQI
37AQI
39AQI
44AQI
44AQI
41AQI
40AQI
35AQI
41AQI
40AQI
33AQI
34AQI
36AQI
27AQI
30AQI
31AQI
20AQI
21AQI
22AQI
47AQI
36AQI
No. of days
202528AQI
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
April20AQI
202434AQI
Highest AQI recorded in
September45AQI
Lowest AQI recorded in
April10AQI
202326AQI
Highest AQI recorded in
December27AQI
Lowest AQI recorded in
November19AQI
202036AQI
Highest AQI recorded in
August50AQI
Lowest AQI recorded in
March10AQI
Most & Least Polluted Years Over the Last 4 Years
Tanashicho's annual 2025 AQI (28) shows an average percentage change of -10.3% (improved AQI) compared to previous years: 2020 (36), 2023 (26), 2024 (34).