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
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 24 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 14th Aug - 15th Aug 2026
Hamamatsu, Shizuoka, Japan
4 AM14th Aug 2026
6 PM
3 AM15th Aug 2026
28AQI
20AQI
42AQI
18AQI
In the last 24 hours,
Hamamatsu's AQI reached its highest point of 42 at 10 PM during the Night, while the lowest point, 18, was recorded at 3 AM during the Night between 14th Aug and 15th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Hamamatsu, Shizuoka, Japan
29°C27/32°C
28°C26/31°C
28°C25/32°C
29°C26/33°C
30°C27/35°C
31°C27/38°C
33°C28/39°C
30°C28/34°C
31°C27/36°C
29°C27/32°C
29°C25/32°C
28°C25/31°C
30°C26/36°C
32°C27/38°C
32°C27/38°C
33°C28/38°C
31°C28/36°C
28°C26/32°C
26°C23/32°C
29°C24/34°C
30°C26/34°C
29°C26/32°C
28°C25/32°C
28°C26/31°C
27°C25/29°C
25°C23/29°C
26°C24/29°C
27°C24/32°C
27°C23/32°C
27°C24/30°C
43AQI
32AQI
40AQI
33AQI
2026 Days Vs Air Quality
Hamamatsu, Shizuoka, Japan
89%
203
11%
24
Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)
Under WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2026, 89% of 227 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
Hamamatsu, Shizuoka, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
14AQI (US)
14AQI (US)
12AQI (US)
22AQI (US)
43AQI (US)
18AQI (US)
20AQI (US)
35AQI (US)
12AQI (US)
28AQI (US)
31AQI (US)
18AQI (US)
34AQI (US)
18AQI (US)
32AQI (US)
43AQI (US)
48AQI (US)
38AQI (US)
42AQI (US)
27AQI (US)
9AQI (US)
20AQI (US)
35AQI (US)
42AQI (US)
38AQI (US)
13AQI (US)
34AQI (US)
29AQI (US)
22AQI (US)
33AQI (US)
30AQI (US)
30AQI (US)
40AQI (US)
29AQI (US)
31AQI (US)
43AQI (US)
44AQI (US)
16AQI (US)
22AQI (US)
31AQI (US)
35AQI (US)
40AQI (US)
36AQI (US)
45AQI (US)
58AQI (US)
50AQI (US)
48AQI (US)
19AQI (US)
22AQI (US)
30AQI (US)
33AQI (US)
46AQI (US)
42AQI (US)
46AQI (US)
44AQI (US)
24AQI (US)
18AQI (US)
44AQI (US)
37AQI (US)
22AQI (US)
64AQI (US)
38AQI (US)
20AQI (US)
50AQI (US)
50AQI (US)
27AQI (US)
20AQI (US)
40AQI (US)
57AQI (US)
52AQI (US)
60AQI (US)
39AQI (US)
44AQI (US)
58AQI (US)
51AQI (US)
47AQI (US)
50AQI (US)
33AQI (US)
38AQI (US)
39AQI (US)
45AQI (US)
43AQI (US)
45AQI (US)
56AQI (US)
14AQI (US)
25AQI (US)
50AQI (US)
60AQI (US)
50AQI (US)
32AQI (US)
17AQI (US)
14AQI (US)
47AQI (US)
31AQI (US)
38AQI (US)
35AQI (US)
36AQI (US)
20AQI (US)
24AQI (US)
47AQI (US)
35AQI (US)
32AQI (US)
35AQI (US)
40AQI (US)
34AQI (US)
33AQI (US)
36AQI (US)
27AQI (US)
31AQI (US)
35AQI (US)
38AQI (US)
44AQI (US)
28AQI (US)
18AQI (US)
45AQI (US)
49AQI (US)
49AQI (US)
45AQI (US)
40AQI (US)
37AQI (US)
46AQI (US)
52AQI (US)
44AQI (US)
21AQI (US)
16AQI (US)
28AQI (US)
30AQI (US)
25AQI (US)
25AQI (US)
26AQI (US)
28AQI (US)
28AQI (US)
37AQI (US)
31AQI (US)
38AQI (US)
85AQI (US)
68AQI (US)
53AQI (US)
49AQI (US)
62AQI (US)
59AQI (US)
61AQI (US)
54AQI (US)
58AQI (US)
47AQI (US)
39AQI (US)
24AQI (US)
25AQI (US)
24AQI (US)
24AQI (US)
27AQI (US)
28AQI (US)
27AQI (US)
25AQI (US)
24AQI (US)
22AQI (US)
24AQI (US)
21AQI (US)
20AQI (US)
23AQI (US)
23AQI (US)
25AQI (US)
25AQI (US)
28AQI (US)
23AQI (US)
21AQI (US)
24AQI (US)
24AQI (US)
25AQI (US)
26AQI (US)
22AQI (US)
22AQI (US)
18AQI (US)
22AQI (US)
22AQI (US)
26AQI (US)
28AQI (US)
26AQI (US)
28AQI (US)
25AQI (US)
41AQI (US)
29AQI (US)
24AQI (US)
24AQI (US)
24AQI (US)
20AQI (US)
21AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
25AQI (US)
24AQI (US)
39AQI (US)
32AQI (US)
29AQI (US)
33AQI (US)
51AQI (US)
46AQI (US)
30AQI (US)
18AQI (US)
29AQI (US)
50AQI (US)
62AQI (US)
65AQI (US)
80AQI (US)
63AQI (US)
47AQI (US)
29AQI (US)
32AQI (US)
27AQI (US)
39AQI (US)
34AQI (US)
40AQI (US)
51AQI (US)
29AQI (US)
24AQI (US)
26AQI (US)
24AQI (US)
26AQI (US)
29AQI (US)
29AQI (US)
27AQI (US)
28AQI (US)
26AQI (US)
28AQI (US)
25AQI (US)
24AQI (US)
28AQI (US)
36AQI (US)
43AQI (US)
35AQI (US)
40AQI (US)
25AQI (US)
35AQI (US)
29AQI (US)
No. of days
202634AQI (US)
Highest AQI (US) recorded in
March43AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202539AQI (US)
Highest AQI (US) recorded in
August48AQI (US)
Lowest AQI (US) recorded in
January33AQI (US)
202436AQI (US)
Highest AQI (US) recorded in
April47AQI (US)
Lowest AQI (US) recorded in
December29AQI (US)
202336AQI (US)
Highest AQI (US) recorded in
April48AQI (US)
Lowest AQI (US) recorded in
August26AQI (US)
202235AQI (US)
Highest AQI (US) recorded in
May45AQI (US)
Lowest AQI (US) recorded in
August24AQI (US)
202134AQI (US)
Highest AQI (US) recorded in
June40AQI (US)
Lowest AQI (US) recorded in
January26AQI (US)
202030AQI (US)
Highest AQI (US) recorded in
August39AQI (US)
Lowest AQI (US) recorded in
December24AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Hamamatsu's annual 2026 AQI (US) (34) shows an average percentage change of -2.2% (improved AQI (US)) compared to previous years: 2020 (30), 2021 (34), 2022 (35), 2023 (36), 2024 (36), 2025 (39).