Asahigaokacho, Nishinomiya Hama, Hyogo, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Asahigaokacho, Nishinomiya Hama, Hyogo, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (15th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 34 of Good air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 15th Sep - 16th Sep 2025
Asahigaokacho, Nishinomiya Hama, Hyogo, Japan
5 AM15th Sep 2025
6 PM
4 AM16th Sep 2025
AQI
AQI
49AQI
32AQI
In the last 24 hours,
Asahigaokacho's AQI reached its highest point of 49 at 12 PM during the Night, while the lowest point, 32, was recorded at 8 PM during the Night between 15th Sep and 16th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Asahigaokacho, Nishinomiya Hama, Hyogo, Japan
29°C27/33°C
30°C27/33°C
29°C27/33°C
30°C27/33°C
29°C26/33°C
29°C27/33°C
30°C27/33°C
30°C28/33°C
30°C27/33°C
29°C27/32°C
29°C27/33°C
29°C26/33°C
29°C27/32°C
30°C27/34°C
31°C28/35°C
30°C27/32°C
29°C27/32°C
29°C27/33°C
26°C24/27°C
26°C25/30°C
28°C24/32°C
29°C26/32°C
29°C27/32°C
30°C27/33°C
29°C26/32°C
27°C24/30°C
28°C26/30°C
27°C25/30°C
29°C26/32°C
--°C/°C
--°C/°C
47AQI
42AQI
46AQI
41AQI
2025 Days Vs Air Quality
Asahigaokacho, Nishinomiya Hama, Hyogo, Japan
75%
193
25%
65
Total number of days with different AQI categories in last 258 days in 2025 (107 days remaining)
Under WHO’s Safe Air Quality Limits: 75%
Health Risk Level:
Low
In 2025, 75% of 258 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
Asahigaokacho, Nishinomiya Hama, Hyogo, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
30AQI
37AQI
30AQI
31AQI
29AQI
31AQI
31AQI
29AQI
28AQI
25AQI
25AQI
35AQI
34AQI
48AQI
41AQI
37AQI
33AQI
31AQI
29AQI
36AQI
35AQI
52AQI
65AQI
57AQI
44AQI
39AQI
31AQI
33AQI
29AQI
38AQI
67AQI
66AQI
45AQI
51AQI
38AQI
38AQI
31AQI
33AQI
29AQI
28AQI
29AQI
29AQI
37AQI
30AQI
40AQI
29AQI
52AQI
38AQI
37AQI
31AQI
28AQI
29AQI
33AQI
31AQI
32AQI
32AQI
35AQI
60AQI
56AQI
62AQI
80AQI
46AQI
43AQI
30AQI
38AQI
33AQI
37AQI
36AQI
37AQI
30AQI
36AQI
45AQI
40AQI
33AQI
22AQI
32AQI
26AQI
26AQI
41AQI
51AQI
60AQI
68AQI
67AQI
68AQI
86AQI
60AQI
47AQI
40AQI
33AQI
34AQI
27AQI
31AQI
21AQI
24AQI
34AQI
39AQI
46AQI
44AQI
49AQI
53AQI
54AQI
51AQI
32AQI
49AQI
27AQI
43AQI
46AQI
56AQI
57AQI
45AQI
42AQI
45AQI
28AQI
26AQI
58AQI
54AQI
56AQI
45AQI
51AQI
60AQI
57AQI
38AQI
46AQI
37AQI
40AQI
26AQI
30AQI
28AQI
36AQI
29AQI
31AQI
50AQI
53AQI
56AQI
52AQI
46AQI
41AQI
48AQI
55AQI
60AQI
39AQI
37AQI
50AQI
36AQI
27AQI
29AQI
31AQI
30AQI
37AQI
34AQI
36AQI
43AQI
47AQI
29AQI
45AQI
47AQI
42AQI
53AQI
61AQI
48AQI
27AQI
33AQI
45AQI
43AQI
33AQI
31AQI
39AQI
38AQI
45AQI
50AQI
52AQI
48AQI
41AQI
38AQI
35AQI
32AQI
34AQI
47AQI
47AQI
47AQI
53AQI
57AQI
71AQI
81AQI
87AQI
89AQI
81AQI
72AQI
76AQI
83AQI
67AQI
60AQI
58AQI
54AQI
46AQI
51AQI
54AQI
42AQI
39AQI
33AQI
31AQI
28AQI
33AQI
36AQI
31AQI
29AQI
25AQI
25AQI
31AQI
37AQI
38AQI
41AQI
46AQI
46AQI
50AQI
62AQI
51AQI
53AQI
46AQI
48AQI
48AQI
44AQI
37AQI
35AQI
40AQI
47AQI
48AQI
47AQI
45AQI
48AQI
46AQI
46AQI
47AQI
43AQI
51AQI
57AQI
58AQI
57AQI
55AQI
54AQI
57AQI
57AQI
55AQI
42AQI
35AQI
38AQI
30AQI
25AQI
28AQI
34AQI
38AQI
39AQI
36AQI
30AQI
31AQI
28AQI
39AQI
34AQI
37AQI
37AQI
45AQI
43AQI
40AQI
42AQI
51AQI
49AQI
34AQI
No. of days
202543AQI
Highest AQI recorded in
July51AQI
Lowest AQI recorded in
September34AQI
202436AQI
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
December30AQI
202338AQI
Highest AQI recorded in
April48AQI
Lowest AQI recorded in
August25AQI
202239AQI
Highest AQI recorded in
May48AQI
Lowest AQI recorded in
October34AQI
202136AQI
Highest AQI recorded in
June42AQI
Lowest AQI recorded in
January29AQI
202034AQI
Highest AQI recorded in
August51AQI
Lowest AQI recorded in
October27AQI
Most & Least Polluted Years Over the Last 6 Years
Asahigaokacho's annual 2025 AQI (43) shows an average percentage change of 17.1% (worsened AQI) compared to previous years: 2020 (34), 2021 (36), 2022 (39), 2023 (38), 2024 (36).