Dekijima, Osaka, Osaka, 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
Dekijima, Osaka, Osaka, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (26th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 61 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 27th Aug - 28th Aug 2025
Dekijima, Osaka, Osaka, Japan
5 AM27th Aug 2025
6 PM
4 AM28th Aug 2025
78AQI
56AQI
59AQI
52AQI
In the last 24 hours,
Dekijima's AQI reached its highest point of 78 at 3 PM during the Day, while the lowest point, 52, was recorded at 12 AM during the Night between 27th Aug and 28th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Dekijima, Osaka, Osaka, Japan
30°C27/36°C
30°C27/34°C
30°C27/35°C
30°C27/34°C
31°C27/36°C
31°C27/35°C
30°C28/34°C
30°C28/33°C
32°C29/35°C
29°C26/33°C
29°C25/32°C
28°C26/30°C
26°C25/26°C
27°C26/29°C
26°C25/27°C
29°C26/33°C
29°C26/33°C
29°C26/32°C
29°C26/33°C
29°C27/33°C
30°C27/33°C
30°C27/33°C
30°C27/33°C
30°C26/34°C
30°C27/33°C
30°C28/34°C
30°C28/33°C
30°C27/33°C
29°C27/32°C
29°C26/33°C
--°C/°C
58AQI
43AQI
53AQI
46AQI
2025 Days Vs Air Quality
Dekijima, Osaka, Osaka, Japan
63%
149
37%
88
0.4%
1
Total number of days with different AQI categories in last 240 days in 2025 (125 days remaining)
Under WHO’s Safe Air Quality Limits: 63%
Health Risk Level:
Moderate
In 2025, 63% of 240 days were within WHO’s safe air quality limits, and 37% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Dekijima, Osaka, Osaka, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
37AQI
47AQI
34AQI
36AQI
36AQI
46AQI
36AQI
39AQI
33AQI
28AQI
36AQI
45AQI
45AQI
58AQI
47AQI
44AQI
35AQI
39AQI
39AQI
52AQI
41AQI
66AQI
79AQI
67AQI
48AQI
41AQI
50AQI
41AQI
38AQI
46AQI
76AQI
76AQI
47AQI
60AQI
43AQI
42AQI
37AQI
42AQI
29AQI
30AQI
37AQI
29AQI
50AQI
29AQI
52AQI
30AQI
66AQI
40AQI
44AQI
33AQI
34AQI
31AQI
37AQI
36AQI
34AQI
42AQI
44AQI
74AQI
73AQI
86AQI
107AQI
50AQI
51AQI
35AQI
39AQI
34AQI
43AQI
37AQI
45AQI
37AQI
47AQI
56AQI
52AQI
42AQI
30AQI
41AQI
39AQI
35AQI
52AQI
61AQI
68AQI
74AQI
76AQI
72AQI
95AQI
64AQI
52AQI
45AQI
37AQI
42AQI
35AQI
43AQI
27AQI
33AQI
44AQI
46AQI
53AQI
55AQI
56AQI
60AQI
59AQI
56AQI
37AQI
56AQI
31AQI
52AQI
50AQI
58AQI
60AQI
49AQI
49AQI
52AQI
34AQI
34AQI
65AQI
59AQI
64AQI
52AQI
56AQI
67AQI
61AQI
45AQI
51AQI
40AQI
48AQI
27AQI
34AQI
33AQI
41AQI
35AQI
39AQI
51AQI
56AQI
59AQI
54AQI
51AQI
46AQI
53AQI
58AQI
59AQI
41AQI
39AQI
52AQI
37AQI
31AQI
33AQI
33AQI
33AQI
41AQI
37AQI
40AQI
46AQI
50AQI
31AQI
50AQI
49AQI
49AQI
56AQI
61AQI
50AQI
35AQI
43AQI
51AQI
51AQI
37AQI
36AQI
47AQI
41AQI
51AQI
55AQI
59AQI
51AQI
44AQI
43AQI
36AQI
35AQI
39AQI
54AQI
50AQI
53AQI
56AQI
59AQI
74AQI
79AQI
87AQI
87AQI
76AQI
71AQI
77AQI
86AQI
63AQI
57AQI
57AQI
53AQI
47AQI
53AQI
56AQI
39AQI
44AQI
40AQI
36AQI
33AQI
35AQI
36AQI
30AQI
31AQI
29AQI
28AQI
36AQI
38AQI
41AQI
48AQI
59AQI
49AQI
48AQI
62AQI
52AQI
58AQI
47AQI
49AQI
49AQI
51AQI
44AQI
38AQI
41AQI
50AQI
48AQI
49AQI
43AQI
49AQI
45AQI
48AQI
46AQI
43AQI
52AQI
58AQI
59AQI
61AQI
45AQI
44AQI
53AQI
50AQI
44AQI
47AQI
52AQI
50AQI
No. of days
202548AQI
Highest AQI recorded in
March53AQI
Lowest AQI recorded in
February44AQI
202440AQI
Highest AQI recorded in
April53AQI
Lowest AQI recorded in
October33AQI
202344AQI
Highest AQI recorded in
April55AQI
Lowest AQI recorded in
August30AQI
202244AQI
Highest AQI recorded in
March57AQI
Lowest AQI recorded in
September35AQI
202143AQI
Highest AQI recorded in
March51AQI
Lowest AQI recorded in
October34AQI
202040AQI
Highest AQI recorded in
June46AQI
Lowest AQI recorded in
September34AQI
Most & Least Polluted Years Over the Last 6 Years
Dekijima's annual 2025 AQI (48) shows an average percentage change of 13.6% (worsened AQI) compared to previous years: 2020 (40), 2021 (43), 2022 (44), 2023 (44), 2024 (40).