Tenmacho, Hamamatsu, Shizuoka, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Tenmacho, Hamamatsu, Shizuoka, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (5th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 54 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Oct - 6th Oct 2025
Tenmacho, Hamamatsu, Shizuoka, Japan
5 AM5th Oct 2025
5 PM
4 AM6th Oct 2025
56AQI
42AQI
52AQI
39AQI
In the last 24 hours,
Tenmacho's AQI reached its highest point of 56 at 12 PM during the Day, while the lowest point, 39, was recorded at 12 AM during the Night between 5th Oct and 6th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Tenmacho, Hamamatsu, Shizuoka, Japan
27°C24/30°C
28°C25/31°C
29°C26/34°C
29°C27/33°C
28°C26/31°C
28°C26/30°C
26°C24/29°C
26°C24/28°C
28°C26/31°C
29°C27/33°C
28°C26/31°C
29°C26/33°C
29°C26/33°C
25°C24/26°C
23°C21/24°C
27°C24/31°C
24°C22/27°C
23°C21/26°C
23°C21/26°C
25°C22/27°C
27°C23/32°C
25°C23/28°C
25°C23/28°C
25°C23/29°C
24°C22/27°C
23°C21/25°C
23°C19/28°C
24°C22/26°C
24°C23/24°C
25°C22/27°C
--°C/°C
40AQI
37AQI
37AQI
37AQI
2025 Days Vs Air Quality
Tenmacho, Hamamatsu, Shizuoka, Japan
86%
238
14%
39
0.3%
1
Total number of days with different AQI categories in last 279 days in 2025 (86 days remaining)
Under WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2025, 86% of 279 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
Tenmacho, Hamamatsu, Shizuoka, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
31AQI
32AQI
31AQI
30AQI
30AQI
28AQI
33AQI
26AQI
31AQI
27AQI
28AQI
27AQI
28AQI
39AQI
37AQI
30AQI
31AQI
29AQI
29AQI
30AQI
32AQI
34AQI
53AQI
49AQI
41AQI
38AQI
28AQI
33AQI
30AQI
32AQI
42AQI
44AQI
34AQI
36AQI
33AQI
34AQI
32AQI
34AQI
31AQI
31AQI
31AQI
33AQI
30AQI
33AQI
32AQI
31AQI
33AQI
39AQI
32AQI
33AQI
32AQI
31AQI
33AQI
33AQI
35AQI
36AQI
38AQI
46AQI
51AQI
47AQI
53AQI
39AQI
38AQI
28AQI
33AQI
33AQI
32AQI
36AQI
36AQI
32AQI
25AQI
41AQI
32AQI
37AQI
20AQI
21AQI
21AQI
19AQI
28AQI
50AQI
50AQI
62AQI
59AQI
65AQI
109AQI
73AQI
62AQI
44AQI
40AQI
34AQI
29AQI
28AQI
23AQI
22AQI
29AQI
27AQI
33AQI
40AQI
37AQI
49AQI
45AQI
50AQI
32AQI
49AQI
24AQI
42AQI
45AQI
53AQI
61AQI
46AQI
51AQI
41AQI
35AQI
36AQI
48AQI
49AQI
54AQI
45AQI
46AQI
51AQI
48AQI
31AQI
39AQI
33AQI
36AQI
27AQI
32AQI
29AQI
31AQI
25AQI
25AQI
36AQI
46AQI
48AQI
46AQI
49AQI
37AQI
50AQI
48AQI
58AQI
39AQI
33AQI
40AQI
37AQI
24AQI
31AQI
29AQI
30AQI
33AQI
29AQI
29AQI
25AQI
32AQI
28AQI
37AQI
43AQI
46AQI
51AQI
58AQI
43AQI
33AQI
34AQI
46AQI
42AQI
35AQI
33AQI
41AQI
43AQI
48AQI
51AQI
38AQI
33AQI
30AQI
25AQI
24AQI
23AQI
23AQI
37AQI
39AQI
35AQI
38AQI
43AQI
45AQI
44AQI
43AQI
86AQI
66AQI
78AQI
85AQI
73AQI
50AQI
50AQI
48AQI
47AQI
41AQI
45AQI
42AQI
43AQI
37AQI
34AQI
33AQI
29AQI
28AQI
28AQI
27AQI
27AQI
27AQI
26AQI
27AQI
29AQI
38AQI
35AQI
42AQI
44AQI
47AQI
65AQI
52AQI
54AQI
49AQI
46AQI
52AQI
43AQI
40AQI
38AQI
39AQI
42AQI
42AQI
42AQI
43AQI
47AQI
47AQI
47AQI
48AQI
47AQI
49AQI
57AQI
59AQI
55AQI
54AQI
51AQI
56AQI
56AQI
55AQI
43AQI
36AQI
42AQI
27AQI
25AQI
32AQI
33AQI
39AQI
44AQI
42AQI
38AQI
33AQI
30AQI
39AQI
42AQI
48AQI
53AQI
44AQI
36AQI
35AQI
29AQI
31AQI
31AQI
30AQI
36AQI
31AQI
27AQI
27AQI
19AQI
22AQI
22AQI
54AQI
56AQI
58AQI
54AQI
33AQI
35AQI
42AQI
41AQI
36AQI
37AQI
44AQI
49AQI
35AQI
49AQI
No. of days
202539AQI
Highest AQI recorded in
October49AQI
Lowest AQI recorded in
January33AQI
202435AQI
Highest AQI recorded in
April45AQI
Lowest AQI recorded in
February29AQI
202338AQI
Highest AQI recorded in
April48AQI
Lowest AQI recorded in
August26AQI
202235AQI
Highest AQI recorded in
May43AQI
Lowest AQI recorded in
August24AQI
202133AQI
Highest AQI recorded in
June41AQI
Lowest AQI recorded in
January25AQI
202031AQI
Highest AQI recorded in
August39AQI
Lowest AQI recorded in
December24AQI
Most & Least Polluted Years Over the Last 6 Years
Tenmacho's annual 2025 AQI (39) shows an average percentage change of 15.3% (worsened AQI) compared to previous years: 2020 (31), 2021 (33), 2022 (35), 2023 (38), 2024 (35).