Oiso, 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
Oiso, Kanagawa, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (8th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 24 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 7th Aug - 8th Aug 2026
Oiso, Kanagawa, Japan
4 AM7th Aug 2026
6 PM
3 AM8th Aug 2026
30AQI
21AQI
25AQI
21AQI
In the last 24 hours,
Oiso's AQI reached its highest point of 30 at 1 PM during the Day, while the lowest point, 21, was recorded at 1 AM during the Night between 7th Aug and 8th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Oiso, Kanagawa, Japan
25°C23/28°C
26°C23/28°C
25°C24/28°C
25°C24/27°C
26°C24/28°C
27°C24/30°C
28°C25/31°C
26°C25/28°C
26°C25/28°C
26°C25/28°C
28°C25/31°C
29°C26/32°C
29°C26/31°C
29°C26/33°C
28°C26/30°C
28°C25/31°C
26°C25/28°C
26°C24/28°C
25°C23/27°C
27°C24/31°C
28°C25/32°C
28°C26/31°C
28°C26/31°C
28°C25/32°C
25°C23/26°C
25°C22/29°C
26°C23/29°C
28°C26/30°C
27°C25/30°C
27°C25/29°C
37AQI
31AQI
39AQI
33AQI
2026 Days Vs Air Quality
Oiso, Kanagawa, Japan
87%
191
13%
29
Total number of days with different AQI categories in last 220 days in 2026 (145 days remaining)
Under WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2026, 87% of 220 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
Oiso, Kanagawa, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
25AQI (US)
12AQI (US)
18AQI (US)
12AQI (US)
24AQI (US)
15AQI (US)
16AQI (US)
28AQI (US)
16AQI (US)
25AQI (US)
29AQI (US)
18AQI (US)
26AQI (US)
25AQI (US)
27AQI (US)
50AQI (US)
56AQI (US)
48AQI (US)
48AQI (US)
21AQI (US)
12AQI (US)
24AQI (US)
35AQI (US)
32AQI (US)
23AQI (US)
15AQI (US)
33AQI (US)
30AQI (US)
25AQI (US)
39AQI (US)
36AQI (US)
30AQI (US)
44AQI (US)
29AQI (US)
34AQI (US)
44AQI (US)
50AQI (US)
11AQI (US)
10AQI (US)
32AQI (US)
37AQI (US)
47AQI (US)
37AQI (US)
45AQI (US)
52AQI (US)
53AQI (US)
49AQI (US)
14AQI (US)
22AQI (US)
30AQI (US)
31AQI (US)
44AQI (US)
41AQI (US)
41AQI (US)
44AQI (US)
34AQI (US)
8AQI (US)
26AQI (US)
32AQI (US)
29AQI (US)
60AQI (US)
38AQI (US)
48AQI (US)
51AQI (US)
50AQI (US)
28AQI (US)
27AQI (US)
35AQI (US)
56AQI (US)
59AQI (US)
17AQI (US)
18AQI (US)
44AQI (US)
55AQI (US)
15AQI (US)
26AQI (US)
49AQI (US)
31AQI (US)
30AQI (US)
41AQI (US)
46AQI (US)
42AQI (US)
45AQI (US)
64AQI (US)
20AQI (US)
18AQI (US)
53AQI (US)
49AQI (US)
56AQI (US)
19AQI (US)
22AQI (US)
33AQI (US)
45AQI (US)
44AQI (US)
24AQI (US)
29AQI (US)
26AQI (US)
19AQI (US)
29AQI (US)
46AQI (US)
34AQI (US)
31AQI (US)
31AQI (US)
39AQI (US)
32AQI (US)
34AQI (US)
35AQI (US)
25AQI (US)
29AQI (US)
36AQI (US)
38AQI (US)
46AQI (US)
36AQI (US)
32AQI (US)
44AQI (US)
51AQI (US)
48AQI (US)
42AQI (US)
51AQI (US)
36AQI (US)
34AQI (US)
48AQI (US)
42AQI (US)
27AQI (US)
18AQI (US)
27AQI (US)
29AQI (US)
25AQI (US)
24AQI (US)
28AQI (US)
28AQI (US)
28AQI (US)
36AQI (US)
33AQI (US)
33AQI (US)
87AQI (US)
69AQI (US)
54AQI (US)
49AQI (US)
62AQI (US)
59AQI (US)
60AQI (US)
53AQI (US)
57AQI (US)
48AQI (US)
39AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
24AQI (US)
26AQI (US)
29AQI (US)
27AQI (US)
19AQI (US)
23AQI (US)
22AQI (US)
21AQI (US)
23AQI (US)
20AQI (US)
22AQI (US)
22AQI (US)
24AQI (US)
25AQI (US)
27AQI (US)
42AQI (US)
13AQI (US)
23AQI (US)
24AQI (US)
24AQI (US)
26AQI (US)
22AQI (US)
20AQI (US)
19AQI (US)
22AQI (US)
22AQI (US)
27AQI (US)
28AQI (US)
20AQI (US)
24AQI (US)
26AQI (US)
26AQI (US)
26AQI (US)
17AQI (US)
15AQI (US)
20AQI (US)
20AQI (US)
24AQI (US)
26AQI (US)
24AQI (US)
23AQI (US)
23AQI (US)
24AQI (US)
21AQI (US)
32AQI (US)
31AQI (US)
26AQI (US)
60AQI (US)
59AQI (US)
20AQI (US)
16AQI (US)
26AQI (US)
50AQI (US)
63AQI (US)
70AQI (US)
49AQI (US)
60AQI (US)
21AQI (US)
24AQI (US)
25AQI (US)
27AQI (US)
30AQI (US)
59AQI (US)
63AQI (US)
63AQI (US)
15AQI (US)
24AQI (US)
25AQI (US)
23AQI (US)
24AQI (US)
24AQI (US)
27AQI (US)
35AQI (US)
39AQI (US)
36AQI (US)
39AQI (US)
24AQI (US)
33AQI (US)
33AQI (US)
No. of days
202633AQI (US)
Highest AQI (US) recorded in
March39AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202534AQI (US)
Highest AQI (US) recorded in
August46AQI (US)
Lowest AQI (US) recorded in
May21AQI (US)
202433AQI (US)
Highest AQI (US) recorded in
July50AQI (US)
Lowest AQI (US) recorded in
December25AQI (US)
202339AQI (US)
Highest AQI (US) recorded in
April46AQI (US)
Lowest AQI (US) recorded in
August31AQI (US)
202237AQI (US)
Highest AQI (US) recorded in
April44AQI (US)
Lowest AQI (US) recorded in
August19AQI (US)
202134AQI (US)
Highest AQI (US) recorded in
May40AQI (US)
Lowest AQI (US) recorded in
April30AQI (US)
202035AQI (US)
Highest AQI (US) recorded in
August47AQI (US)
Lowest AQI (US) recorded in
May28AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Oiso's annual 2026 AQI (US) (33) shows an average percentage change of -6.2% (improved AQI (US)) compared to previous years: 2020 (35), 2021 (34), 2022 (37), 2023 (39), 2024 (33), 2025 (34).