Kotobukicho, Minamisuita, Osaka, 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
Kotobukicho, Minamisuita, Osaka, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (28th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 28 of Good air quality, showing improvement over 2024, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 29th Sep - 30th Sep 2025
Kotobukicho, Minamisuita, Osaka, Japan
5 AM29th Sep 2025
6 PM
4 AM30th Sep 2025
AQI
AQI
53AQI
10AQI
In the last 24 hours,
Kotobukicho's AQI reached its highest point of 53 at 6 AM during the Night, while the lowest point, 10, was recorded at 1 PM during the Night between 29th Sep and 30th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Kotobukicho, Minamisuita, Osaka, Japan
31°C28/36°C
30°C28/33°C
30°C27/33°C
30°C28/35°C
26°C24/27°C
26°C24/30°C
28°C24/33°C
29°C26/32°C
29°C26/32°C
30°C27/33°C
29°C26/34°C
27°C24/30°C
28°C25/31°C
28°C25/31°C
29°C26/32°C
29°C27/33°C
30°C27/33°C
30°C27/33°C
28°C25/32°C
26°C24/30°C
26°C24/29°C
25°C22/28°C
24°C20/28°C
24°C22/26°C
25°C23/28°C
25°C23/28°C
26°C24/30°C
24°C21/29°C
24°C21/29°C
--°C/°C
--°C/°C
40AQI
36AQI
38AQI
35AQI
2025 Days Vs Air Quality
Kotobukicho, Minamisuita, Osaka, Japan
72%
195
28%
76
Total number of days with different AQI categories in last 272 days in 2025 (93 days remaining)
Under WHO’s Safe Air Quality Limits: 72%
Health Risk Level:
Low
In 2025, 72% of 272 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
Kotobukicho, Minamisuita, Osaka, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
37AQI
48AQI
36AQI
35AQI
36AQI
42AQI
35AQI
35AQI
32AQI
27AQI
29AQI
39AQI
43AQI
53AQI
45AQI
42AQI
35AQI
36AQI
36AQI
46AQI
37AQI
60AQI
71AQI
62AQI
45AQI
40AQI
41AQI
37AQI
34AQI
35AQI
55AQI
72AQI
47AQI
48AQI
40AQI
40AQI
34AQI
37AQI
30AQI
30AQI
30AQI
30AQI
41AQI
29AQI
44AQI
29AQI
56AQI
37AQI
39AQI
31AQI
30AQI
28AQI
32AQI
32AQI
31AQI
36AQI
38AQI
66AQI
60AQI
68AQI
81AQI
47AQI
46AQI
34AQI
38AQI
34AQI
39AQI
36AQI
42AQI
33AQI
40AQI
48AQI
43AQI
36AQI
26AQI
35AQI
31AQI
30AQI
47AQI
58AQI
64AQI
71AQI
73AQI
72AQI
92AQI
61AQI
49AQI
42AQI
35AQI
35AQI
32AQI
31AQI
23AQI
26AQI
39AQI
42AQI
48AQI
49AQI
53AQI
57AQI
57AQI
54AQI
35AQI
52AQI
28AQI
49AQI
49AQI
59AQI
59AQI
48AQI
45AQI
49AQI
31AQI
30AQI
64AQI
55AQI
62AQI
49AQI
56AQI
65AQI
59AQI
51AQI
48AQI
40AQI
45AQI
27AQI
30AQI
30AQI
37AQI
32AQI
34AQI
51AQI
55AQI
58AQI
54AQI
53AQI
44AQI
52AQI
55AQI
60AQI
41AQI
38AQI
51AQI
37AQI
28AQI
30AQI
30AQI
31AQI
40AQI
35AQI
38AQI
43AQI
50AQI
30AQI
49AQI
48AQI
48AQI
55AQI
63AQI
46AQI
35AQI
44AQI
48AQI
50AQI
36AQI
34AQI
44AQI
39AQI
50AQI
54AQI
58AQI
51AQI
42AQI
42AQI
35AQI
34AQI
36AQI
54AQI
48AQI
52AQI
57AQI
63AQI
84AQI
87AQI
96AQI
89AQI
77AQI
69AQI
74AQI
85AQI
60AQI
52AQI
54AQI
50AQI
42AQI
51AQI
56AQI
39AQI
40AQI
37AQI
34AQI
32AQI
37AQI
40AQI
36AQI
33AQI
30AQI
29AQI
33AQI
40AQI
43AQI
45AQI
46AQI
45AQI
48AQI
62AQI
51AQI
55AQI
46AQI
49AQI
49AQI
45AQI
40AQI
38AQI
42AQI
49AQI
46AQI
49AQI
45AQI
50AQI
46AQI
48AQI
48AQI
47AQI
51AQI
57AQI
58AQI
58AQI
56AQI
53AQI
57AQI
57AQI
57AQI
45AQI
37AQI
43AQI
29AQI
27AQI
32AQI
37AQI
41AQI
43AQI
44AQI
38AQI
32AQI
31AQI
40AQI
38AQI
46AQI
52AQI
41AQI
37AQI
45AQI
31AQI
34AQI
38AQI
35AQI
34AQI
34AQI
26AQI
28AQI
41AQI
39AQI
48AQI
47AQI
42AQI
46AQI
53AQI
50AQI
37AQI
No. of days
202545AQI
Highest AQI recorded in
July53AQI
Lowest AQI recorded in
September37AQI
202442AQI
Highest AQI recorded in
April50AQI
Lowest AQI recorded in
December33AQI
202346AQI
Highest AQI recorded in
April52AQI
Lowest AQI recorded in
January40AQI
202243AQI
Highest AQI recorded in
March60AQI
Lowest AQI recorded in
December34AQI
202151AQI
Highest AQI recorded in
March58AQI
Lowest AQI recorded in
September43AQI
202050AQI
Highest AQI recorded in
August63AQI
Lowest AQI recorded in
July38AQI
Most & Least Polluted Years Over the Last 6 Years
Kotobukicho's annual 2025 AQI (45) shows an average percentage change of -2.4% (improved AQI) compared to previous years: 2020 (50), 2021 (51), 2022 (43), 2023 (46), 2024 (42).