Tomiokahigashi, Yokohama, Kanagawa, 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
Tomiokahigashi, Yokohama, Kanagawa, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 50 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Tomiokahigashi, Yokohama, Kanagawa, Japan
4 AM4th Aug 2025
6 PM
3 AM5th Aug 2025
111AQI
42AQI
76AQI
40AQI
In the last 24 hours,
Tomiokahigashi's AQI reached its highest point of 111 at 6 PM during the Day, while the lowest point, 40, was recorded at 3 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Tomiokahigashi, Yokohama, Kanagawa, Japan
28°C26/30°C
27°C26/29°C
27°C26/29°C
27°C26/28°C
27°C24/29°C
24°C23/26°C
24°C22/27°C
26°C24/28°C
26°C25/28°C
27°C26/27°C
27°C25/28°C
27°C26/28°C
26°C25/27°C
27°C26/28°C
27°C26/28°C
28°C27/29°C
28°C27/29°C
27°C26/29°C
28°C26/29°C
28°C27/29°C
28°C27/29°C
28°C27/29°C
28°C27/29°C
28°C26/30°C
29°C26/32°C
28°C26/31°C
28°C26/30°C
28°C27/29°C
29°C27/31°C
29°C28/30°C
--°C/°C
44AQI
36AQI
43AQI
38AQI
2025 Days Vs Air Quality
Tomiokahigashi, Yokohama, Kanagawa, Japan
96%
207
4%
9
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2025, 96% of 217 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
Tomiokahigashi, Yokohama, Kanagawa, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI
30AQI
23AQI
25AQI
21AQI
46AQI
31AQI
36AQI
30AQI
27AQI
23AQI
25AQI
29AQI
26AQI
31AQI
21AQI
26AQI
24AQI
26AQI
28AQI
29AQI
33AQI
35AQI
33AQI
32AQI
32AQI
28AQI
30AQI
30AQI
28AQI
27AQI
23AQI
24AQI
28AQI
28AQI
30AQI
29AQI
28AQI
29AQI
28AQI
25AQI
28AQI
28AQI
30AQI
27AQI
29AQI
28AQI
32AQI
28AQI
29AQI
27AQI
29AQI
29AQI
31AQI
31AQI
32AQI
35AQI
36AQI
37AQI
51AQI
40AQI
38AQI
28AQI
28AQI
29AQI
32AQI
28AQI
32AQI
31AQI
28AQI
31AQI
29AQI
24AQI
21AQI
17AQI
16AQI
15AQI
15AQI
17AQI
21AQI
27AQI
30AQI
31AQI
48AQI
66AQI
58AQI
39AQI
32AQI
32AQI
28AQI
23AQI
21AQI
17AQI
21AQI
17AQI
15AQI
16AQI
18AQI
19AQI
22AQI
23AQI
21AQI
18AQI
25AQI
20AQI
20AQI
24AQI
29AQI
32AQI
25AQI
23AQI
20AQI
16AQI
20AQI
20AQI
22AQI
22AQI
21AQI
17AQI
21AQI
19AQI
16AQI
16AQI
20AQI
17AQI
16AQI
14AQI
16AQI
17AQI
14AQI
17AQI
15AQI
19AQI
16AQI
19AQI
19AQI
19AQI
23AQI
24AQI
50AQI
28AQI
29AQI
24AQI
23AQI
20AQI
19AQI
25AQI
16AQI
19AQI
15AQI
14AQI
14AQI
17AQI
19AQI
16AQI
21AQI
21AQI
35AQI
26AQI
24AQI
22AQI
21AQI
22AQI
21AQI
20AQI
26AQI
22AQI
29AQI
27AQI
26AQI
22AQI
19AQI
11AQI
13AQI
15AQI
18AQI
15AQI
19AQI
19AQI
21AQI
31AQI
32AQI
38AQI
32AQI
37AQI
50AQI
61AQI
75AQI
72AQI
67AQI
51AQI
49AQI
54AQI
50AQI
41AQI
41AQI
38AQI
40AQI
36AQI
31AQI
30AQI
30AQI
27AQI
27AQI
29AQI
25AQI
24AQI
24AQI
24AQI
28AQI
28AQI
27AQI
36AQI
42AQI
45AQI
50AQI
29AQI
29AQI
31AQI
21AQI
20AQI
21AQI
39AQI
43AQI
No. of days
202528AQI
Highest AQI recorded in
August43AQI
Lowest AQI recorded in
May20AQI
202430AQI
Highest AQI recorded in
July42AQI
Lowest AQI recorded in
September24AQI
202328AQI
Highest AQI recorded in
April36AQI
Lowest AQI recorded in
September22AQI
202228AQI
Highest AQI recorded in
March37AQI
Lowest AQI recorded in
October22AQI
202124AQI
Highest AQI recorded in
November32AQI
Lowest AQI recorded in
February13AQI
202027AQI
Highest AQI recorded in
August48AQI
Lowest AQI recorded in
December12AQI
Most & Least Polluted Years Over the Last 6 Years
Tomiokahigashi's annual 2025 AQI (28) shows an average percentage change of 0.1% (worsened AQI) compared to previous years: 2020 (27), 2021 (24), 2022 (28), 2023 (28), 2024 (30).