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
Yokohama, Kanagawa, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (12th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 24 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 11th Aug - 12th Aug 2026
Yokohama, Kanagawa, Japan
4 AM11th Aug 2026
6 PM
3 AM12th Aug 2026
37AQI
23AQI
30AQI
22AQI
In the last 24 hours,
Yokohama's AQI reached its highest point of 37 at 7 AM during the Day, while the lowest point, 22, was recorded at 3 AM during the Night between 11th Aug and 12th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Yokohama, Kanagawa, Japan
26°C25/28°C
27°C25/29°C
27°C26/29°C
27°C25/28°C
26°C25/28°C
26°C25/28°C
28°C26/30°C
28°C27/30°C
28°C27/30°C
29°C27/33°C
28°C26/30°C
28°C25/31°C
26°C25/28°C
26°C25/28°C
26°C24/27°C
28°C25/30°C
29°C27/30°C
29°C27/31°C
28°C27/31°C
28°C25/32°C
25°C24/27°C
25°C23/28°C
26°C24/29°C
28°C25/30°C
28°C26/30°C
27°C26/29°C
27°C26/30°C
27°C24/29°C
24°C22/27°C
24°C23/26°C
43AQI
32AQI
41AQI
33AQI
2026 Days Vs Air Quality
Yokohama, Kanagawa, Japan
87%
195
13%
29
Total number of days with different AQI categories in last 224 days in 2026 (141 days remaining)
Under WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2026, 87% of 224 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Yokohama, Kanagawa, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI (US)
17AQI (US)
15AQI (US)
20AQI (US)
30AQI (US)
24AQI (US)
21AQI (US)
31AQI (US)
18AQI (US)
25AQI (US)
29AQI (US)
15AQI (US)
26AQI (US)
18AQI (US)
28AQI (US)
47AQI (US)
50AQI (US)
33AQI (US)
41AQI (US)
29AQI (US)
15AQI (US)
22AQI (US)
35AQI (US)
38AQI (US)
43AQI (US)
18AQI (US)
36AQI (US)
26AQI (US)
25AQI (US)
36AQI (US)
36AQI (US)
33AQI (US)
47AQI (US)
30AQI (US)
40AQI (US)
56AQI (US)
47AQI (US)
14AQI (US)
13AQI (US)
34AQI (US)
37AQI (US)
45AQI (US)
37AQI (US)
47AQI (US)
53AQI (US)
51AQI (US)
38AQI (US)
17AQI (US)
27AQI (US)
29AQI (US)
26AQI (US)
34AQI (US)
41AQI (US)
29AQI (US)
32AQI (US)
34AQI (US)
10AQI (US)
40AQI (US)
40AQI (US)
33AQI (US)
65AQI (US)
41AQI (US)
38AQI (US)
50AQI (US)
51AQI (US)
35AQI (US)
26AQI (US)
44AQI (US)
57AQI (US)
55AQI (US)
62AQI (US)
39AQI (US)
45AQI (US)
57AQI (US)
50AQI (US)
48AQI (US)
50AQI (US)
36AQI (US)
27AQI (US)
44AQI (US)
47AQI (US)
46AQI (US)
46AQI (US)
60AQI (US)
27AQI (US)
23AQI (US)
52AQI (US)
50AQI (US)
56AQI (US)
24AQI (US)
22AQI (US)
33AQI (US)
44AQI (US)
44AQI (US)
37AQI (US)
29AQI (US)
27AQI (US)
21AQI (US)
30AQI (US)
47AQI (US)
37AQI (US)
32AQI (US)
35AQI (US)
41AQI (US)
33AQI (US)
23AQI (US)
34AQI (US)
29AQI (US)
33AQI (US)
35AQI (US)
38AQI (US)
46AQI (US)
36AQI (US)
24AQI (US)
44AQI (US)
51AQI (US)
49AQI (US)
42AQI (US)
38AQI (US)
35AQI (US)
47AQI (US)
48AQI (US)
43AQI (US)
29AQI (US)
23AQI (US)
28AQI (US)
30AQI (US)
25AQI (US)
24AQI (US)
22AQI (US)
22AQI (US)
31AQI (US)
39AQI (US)
35AQI (US)
34AQI (US)
86AQI (US)
69AQI (US)
53AQI (US)
49AQI (US)
61AQI (US)
59AQI (US)
60AQI (US)
53AQI (US)
58AQI (US)
47AQI (US)
39AQI (US)
25AQI (US)
25AQI (US)
26AQI (US)
18AQI (US)
27AQI (US)
33AQI (US)
21AQI (US)
16AQI (US)
23AQI (US)
22AQI (US)
22AQI (US)
26AQI (US)
17AQI (US)
19AQI (US)
22AQI (US)
24AQI (US)
24AQI (US)
36AQI (US)
37AQI (US)
14AQI (US)
23AQI (US)
23AQI (US)
24AQI (US)
30AQI (US)
24AQI (US)
20AQI (US)
21AQI (US)
20AQI (US)
23AQI (US)
27AQI (US)
29AQI (US)
26AQI (US)
27AQI (US)
27AQI (US)
32AQI (US)
33AQI (US)
23AQI (US)
24AQI (US)
21AQI (US)
21AQI (US)
25AQI (US)
26AQI (US)
25AQI (US)
22AQI (US)
21AQI (US)
23AQI (US)
25AQI (US)
43AQI (US)
46AQI (US)
38AQI (US)
65AQI (US)
53AQI (US)
21AQI (US)
19AQI (US)
28AQI (US)
43AQI (US)
63AQI (US)
60AQI (US)
43AQI (US)
55AQI (US)
27AQI (US)
26AQI (US)
28AQI (US)
32AQI (US)
33AQI (US)
56AQI (US)
61AQI (US)
57AQI (US)
19AQI (US)
25AQI (US)
26AQI (US)
24AQI (US)
25AQI (US)
25AQI (US)
29AQI (US)
26AQI (US)
29AQI (US)
24AQI (US)
28AQI (US)
35AQI (US)
45AQI (US)
36AQI (US)
40AQI (US)
24AQI (US)
34AQI (US)
31AQI (US)
No. of days
202634AQI (US)
Highest AQI (US) recorded in
March45AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202533AQI (US)
Highest AQI (US) recorded in
August46AQI (US)
Lowest AQI (US) recorded in
May21AQI (US)
202434AQI (US)
Highest AQI (US) recorded in
July41AQI (US)
Lowest AQI (US) recorded in
December26AQI (US)
202336AQI (US)
Highest AQI (US) recorded in
April44AQI (US)
Lowest AQI (US) recorded in
August28AQI (US)
202236AQI (US)
Highest AQI (US) recorded in
March42AQI (US)
Lowest AQI (US) recorded in
December30AQI (US)
202132AQI (US)
Highest AQI (US) recorded in
May37AQI (US)
Lowest AQI (US) recorded in
April24AQI (US)
202033AQI (US)
Highest AQI (US) recorded in
August47AQI (US)
Lowest AQI (US) recorded in
September23AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Yokohama's annual 2026 AQI (US) (34) shows an average percentage change of 0.1% (worsened AQI (US)) compared to previous years: 2020 (33), 2021 (32), 2022 (36), 2023 (36), 2024 (34), 2025 (33).