Oka, Fujiidera, 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
Oka, Fujiidera, Osaka, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (11th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 22 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 10th Aug - 11th Aug 2026
Oka, Fujiidera, Osaka, Japan
5 AM10th Aug 2026
7 PM
4 AM11th Aug 2026
25AQI
21AQI
25AQI
21AQI
In the last 24 hours,
Oka's AQI reached its highest point of 25 at 12 PM during the Day, while the lowest point, 21, was recorded at 4 AM during the Night between 10th Aug and 11th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Oka, Fujiidera, Osaka, Japan
29°C25/33°C
30°C25/34°C
30°C26/34°C
30°C27/33°C
31°C26/35°C
30°C27/33°C
29°C25/34°C
30°C26/34°C
31°C27/35°C
31°C27/35°C
32°C28/37°C
32°C28/36°C
32°C28/37°C
31°C27/35°C
30°C27/35°C
29°C25/34°C
28°C25/32°C
31°C27/34°C
31°C27/35°C
31°C27/36°C
32°C28/35°C
30°C27/35°C
29°C26/35°C
30°C24/35°C
30°C27/35°C
31°C27/36°C
30°C26/35°C
29°C26/34°C
28°C26/34°C
27°C23/31°C
46AQI
37AQI
43AQI
36AQI
2026 Days Vs Air Quality
Oka, Fujiidera, Osaka, Japan
77%
171
23%
52
Total number of days with different AQI categories in last 223 days in 2026 (142 days remaining)
Under WHO’s Safe Air Quality Limits: 77%
Health Risk Level:
Low
In 2026, 77% of 223 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
Oka, Fujiidera, Osaka, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI (US)
15AQI (US)
16AQI (US)
33AQI (US)
56AQI (US)
19AQI (US)
42AQI (US)
41AQI (US)
24AQI (US)
39AQI (US)
32AQI (US)
34AQI (US)
38AQI (US)
28AQI (US)
58AQI (US)
71AQI (US)
66AQI (US)
51AQI (US)
54AQI (US)
28AQI (US)
15AQI (US)
22AQI (US)
40AQI (US)
45AQI (US)
29AQI (US)
16AQI (US)
43AQI (US)
30AQI (US)
15AQI (US)
35AQI (US)
33AQI (US)
41AQI (US)
48AQI (US)
27AQI (US)
40AQI (US)
58AQI (US)
55AQI (US)
13AQI (US)
13AQI (US)
39AQI (US)
51AQI (US)
50AQI (US)
56AQI (US)
63AQI (US)
74AQI (US)
63AQI (US)
59AQI (US)
21AQI (US)
31AQI (US)
34AQI (US)
41AQI (US)
58AQI (US)
33AQI (US)
56AQI (US)
54AQI (US)
30AQI (US)
14AQI (US)
47AQI (US)
34AQI (US)
26AQI (US)
62AQI (US)
38AQI (US)
54AQI (US)
52AQI (US)
55AQI (US)
47AQI (US)
42AQI (US)
51AQI (US)
58AQI (US)
55AQI (US)
23AQI (US)
20AQI (US)
44AQI (US)
57AQI (US)
55AQI (US)
51AQI (US)
60AQI (US)
40AQI (US)
57AQI (US)
56AQI (US)
52AQI (US)
45AQI (US)
58AQI (US)
36AQI (US)
11AQI (US)
40AQI (US)
50AQI (US)
67AQI (US)
40AQI (US)
19AQI (US)
13AQI (US)
46AQI (US)
54AQI (US)
36AQI (US)
17AQI (US)
36AQI (US)
35AQI (US)
26AQI (US)
33AQI (US)
48AQI (US)
36AQI (US)
32AQI (US)
32AQI (US)
45AQI (US)
18AQI (US)
26AQI (US)
36AQI (US)
28AQI (US)
30AQI (US)
35AQI (US)
39AQI (US)
44AQI (US)
36AQI (US)
32AQI (US)
45AQI (US)
48AQI (US)
49AQI (US)
47AQI (US)
42AQI (US)
36AQI (US)
45AQI (US)
55AQI (US)
51AQI (US)
18AQI (US)
19AQI (US)
27AQI (US)
28AQI (US)
25AQI (US)
25AQI (US)
26AQI (US)
31AQI (US)
31AQI (US)
38AQI (US)
31AQI (US)
35AQI (US)
83AQI (US)
67AQI (US)
53AQI (US)
49AQI (US)
62AQI (US)
61AQI (US)
63AQI (US)
56AQI (US)
60AQI (US)
49AQI (US)
39AQI (US)
24AQI (US)
25AQI (US)
25AQI (US)
22AQI (US)
26AQI (US)
28AQI (US)
25AQI (US)
21AQI (US)
25AQI (US)
22AQI (US)
24AQI (US)
21AQI (US)
20AQI (US)
24AQI (US)
22AQI (US)
25AQI (US)
26AQI (US)
27AQI (US)
24AQI (US)
22AQI (US)
26AQI (US)
23AQI (US)
24AQI (US)
32AQI (US)
23AQI (US)
21AQI (US)
19AQI (US)
22AQI (US)
21AQI (US)
26AQI (US)
30AQI (US)
26AQI (US)
26AQI (US)
28AQI (US)
52AQI (US)
33AQI (US)
16AQI (US)
23AQI (US)
25AQI (US)
15AQI (US)
13AQI (US)
16AQI (US)
25AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
26AQI (US)
29AQI (US)
29AQI (US)
30AQI (US)
55AQI (US)
49AQI (US)
58AQI (US)
43AQI (US)
42AQI (US)
61AQI (US)
67AQI (US)
76AQI (US)
54AQI (US)
49AQI (US)
44AQI (US)
30AQI (US)
40AQI (US)
44AQI (US)
47AQI (US)
50AQI (US)
51AQI (US)
46AQI (US)
45AQI (US)
24AQI (US)
21AQI (US)
27AQI (US)
25AQI (US)
24AQI (US)
22AQI (US)
23AQI (US)
22AQI (US)
35AQI (US)
43AQI (US)
46AQI (US)
36AQI (US)
40AQI (US)
25AQI (US)
38AQI (US)
30AQI (US)
No. of days
202637AQI (US)
Highest AQI (US) recorded in
March46AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202546AQI (US)
Highest AQI (US) recorded in
November53AQI (US)
Lowest AQI (US) recorded in
September34AQI (US)
202439AQI (US)
Highest AQI (US) recorded in
April50AQI (US)
Lowest AQI (US) recorded in
October33AQI (US)
202342AQI (US)
Highest AQI (US) recorded in
March50AQI (US)
Lowest AQI (US) recorded in
August30AQI (US)
202241AQI (US)
Highest AQI (US) recorded in
August58AQI (US)
Lowest AQI (US) recorded in
September34AQI (US)
202137AQI (US)
Highest AQI (US) recorded in
June44AQI (US)
Lowest AQI (US) recorded in
January32AQI (US)
202035AQI (US)
Highest AQI (US) recorded in
August53AQI (US)
Lowest AQI (US) recorded in
October29AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Oka's annual 2026 AQI (US) (37) shows an average percentage change of -6.7% (improved AQI (US)) compared to previous years: 2020 (35), 2021 (37), 2022 (41), 2023 (42), 2024 (39), 2025 (46).