Aioicho, Hamamatsu, Shizuoka, 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
Aioicho, Hamamatsu, Shizuoka, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (15th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 25 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 14th Aug - 15th Aug 2026
Aioicho, Hamamatsu, Shizuoka, Japan
4 AM14th Aug 2026
6 PM
3 AM15th Aug 2026
29AQI
21AQI
38AQI
19AQI
In the last 24 hours,
Aioicho's AQI reached its highest point of 38 at 10 PM during the Night, while the lowest point, 19, was recorded at 3 AM during the Night between 14th Aug and 15th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Aioicho, Hamamatsu, Shizuoka, Japan
29°C27/31°C
28°C26/30°C
28°C26/31°C
29°C26/32°C
30°C27/33°C
31°C27/36°C
32°C28/37°C
30°C28/33°C
30°C28/34°C
29°C27/31°C
28°C26/31°C
28°C25/31°C
30°C26/34°C
31°C27/36°C
31°C27/37°C
32°C28/37°C
31°C28/35°C
28°C26/31°C
26°C23/31°C
28°C24/32°C
29°C26/33°C
29°C27/31°C
28°C26/31°C
28°C26/30°C
27°C26/29°C
25°C24/28°C
26°C24/28°C
27°C24/31°C
27°C24/31°C
27°C25/30°C
45AQI
33AQI
41AQI
33AQI
2026 Days Vs Air Quality
Aioicho, Hamamatsu, Shizuoka, Japan
90%
204
10%
23
Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)
Under WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2026, 90% of 227 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
Aioicho, Hamamatsu, Shizuoka, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
13AQI (US)
15AQI (US)
13AQI (US)
22AQI (US)
42AQI (US)
17AQI (US)
21AQI (US)
36AQI (US)
13AQI (US)
28AQI (US)
30AQI (US)
17AQI (US)
34AQI (US)
19AQI (US)
33AQI (US)
44AQI (US)
48AQI (US)
38AQI (US)
42AQI (US)
28AQI (US)
9AQI (US)
20AQI (US)
35AQI (US)
42AQI (US)
37AQI (US)
10AQI (US)
34AQI (US)
29AQI (US)
22AQI (US)
34AQI (US)
31AQI (US)
31AQI (US)
42AQI (US)
29AQI (US)
32AQI (US)
42AQI (US)
44AQI (US)
17AQI (US)
24AQI (US)
32AQI (US)
35AQI (US)
40AQI (US)
39AQI (US)
45AQI (US)
58AQI (US)
50AQI (US)
48AQI (US)
20AQI (US)
22AQI (US)
29AQI (US)
34AQI (US)
45AQI (US)
43AQI (US)
46AQI (US)
42AQI (US)
23AQI (US)
17AQI (US)
44AQI (US)
35AQI (US)
22AQI (US)
56AQI (US)
37AQI (US)
15AQI (US)
48AQI (US)
49AQI (US)
24AQI (US)
17AQI (US)
38AQI (US)
55AQI (US)
51AQI (US)
59AQI (US)
36AQI (US)
43AQI (US)
57AQI (US)
47AQI (US)
44AQI (US)
45AQI (US)
32AQI (US)
38AQI (US)
38AQI (US)
44AQI (US)
42AQI (US)
45AQI (US)
56AQI (US)
13AQI (US)
24AQI (US)
50AQI (US)
61AQI (US)
52AQI (US)
34AQI (US)
16AQI (US)
9AQI (US)
47AQI (US)
30AQI (US)
39AQI (US)
35AQI (US)
38AQI (US)
20AQI (US)
23AQI (US)
47AQI (US)
34AQI (US)
32AQI (US)
36AQI (US)
39AQI (US)
33AQI (US)
33AQI (US)
35AQI (US)
26AQI (US)
29AQI (US)
33AQI (US)
36AQI (US)
44AQI (US)
26AQI (US)
15AQI (US)
45AQI (US)
49AQI (US)
49AQI (US)
45AQI (US)
40AQI (US)
36AQI (US)
45AQI (US)
53AQI (US)
45AQI (US)
19AQI (US)
15AQI (US)
27AQI (US)
29AQI (US)
25AQI (US)
25AQI (US)
25AQI (US)
27AQI (US)
28AQI (US)
36AQI (US)
29AQI (US)
38AQI (US)
85AQI (US)
68AQI (US)
53AQI (US)
49AQI (US)
62AQI (US)
60AQI (US)
60AQI (US)
53AQI (US)
58AQI (US)
48AQI (US)
39AQI (US)
24AQI (US)
25AQI (US)
23AQI (US)
24AQI (US)
27AQI (US)
27AQI (US)
27AQI (US)
25AQI (US)
24AQI (US)
23AQI (US)
23AQI (US)
21AQI (US)
19AQI (US)
23AQI (US)
23AQI (US)
25AQI (US)
25AQI (US)
28AQI (US)
23AQI (US)
21AQI (US)
25AQI (US)
24AQI (US)
25AQI (US)
26AQI (US)
22AQI (US)
22AQI (US)
18AQI (US)
22AQI (US)
22AQI (US)
26AQI (US)
27AQI (US)
26AQI (US)
27AQI (US)
24AQI (US)
40AQI (US)
30AQI (US)
24AQI (US)
24AQI (US)
24AQI (US)
21AQI (US)
22AQI (US)
26AQI (US)
25AQI (US)
24AQI (US)
25AQI (US)
26AQI (US)
40AQI (US)
32AQI (US)
29AQI (US)
33AQI (US)
50AQI (US)
45AQI (US)
30AQI (US)
16AQI (US)
28AQI (US)
49AQI (US)
61AQI (US)
64AQI (US)
82AQI (US)
64AQI (US)
48AQI (US)
30AQI (US)
33AQI (US)
27AQI (US)
40AQI (US)
36AQI (US)
42AQI (US)
54AQI (US)
30AQI (US)
25AQI (US)
26AQI (US)
23AQI (US)
25AQI (US)
29AQI (US)
29AQI (US)
28AQI (US)
28AQI (US)
26AQI (US)
28AQI (US)
26AQI (US)
25AQI (US)
28AQI (US)
36AQI (US)
41AQI (US)
34AQI (US)
39AQI (US)
24AQI (US)
36AQI (US)
30AQI (US)
No. of days
202634AQI (US)
Highest AQI (US) recorded in
March41AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202540AQI (US)
Highest AQI (US) recorded in
August48AQI (US)
Lowest AQI (US) recorded in
January33AQI (US)
202437AQI (US)
Highest AQI (US) recorded in
April48AQI (US)
Lowest AQI (US) recorded in
December30AQI (US)
202336AQI (US)
Highest AQI (US) recorded in
April48AQI (US)
Lowest AQI (US) recorded in
August24AQI (US)
202235AQI (US)
Highest AQI (US) recorded in
May45AQI (US)
Lowest AQI (US) recorded in
August19AQI (US)
202132AQI (US)
Highest AQI (US) recorded in
June38AQI (US)
Lowest AQI (US) recorded in
January23AQI (US)
202025AQI (US)
Highest AQI (US) recorded in
August31AQI (US)
Lowest AQI (US) recorded in
September19AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Aioicho's annual 2026 AQI (US) (34) shows an average percentage change of 1.7% (worsened AQI (US)) compared to previous years: 2020 (25), 2021 (32), 2022 (35), 2023 (36), 2024 (37), 2025 (40).