Osaka City Chuo Ku National Osaka, Kamitakeshi, Nagano, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Osaka City Chuo Ku National Osaka, Kamitakeshi, Nagano, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (12th July):
On this day, AQI across the 4 years varied significantly: 2026 ranks 3rd highest AQI at 27 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 11th Jul - 12th Jul 2026
Osaka City Chuo Ku National Osaka, Kamitakeshi, Nagano, Japan
4 AM11th Jul 2026
7 PM
3 AM12th Jul 2026
38AQI
20AQI
30AQI
25AQI
In the last 24 hours,
Osaka City Chuo Ku National Osaka's AQI reached its highest point of 38 at 2 PM during the Day, while the lowest point, 20, was recorded at 6 AM during the Day between 11th Jul and 12th Jul 2026.
Day & Night AQI Trend : Jun - Jul 2026
Osaka City Chuo Ku National Osaka, Kamitakeshi, Nagano, Japan
16°C8/26°C
16°C9/25°C
13°C10/18°C
17°C9/26°C
18°C10/27°C
20°C13/30°C
19°C11/29°C
18°C14/22°C
21°C14/30°C
19°C13/25°C
18°C13/24°C
18°C13/26°C
16°C14/19°C
18°C16/22°C
19°C17/23°C
19°C16/23°C
19°C13/26°C
19°C13/26°C
19°C13/25°C
18°C17/21°C
19°C13/26°C
19°C13/25°C
20°C16/25°C
18°C16/20°C
20°C16/27°C
22°C15/30°C
23°C15/32°C
24°C16/34°C
23°C17/29°C
21°C17/29°C
29AQI
22AQI
26AQI
24AQI
2026 Days Vs Air Quality
Osaka City Chuo Ku National Osaka, Kamitakeshi, Nagano, Japan
83%
160
17%
33
Total number of days with different AQI categories in last 193 days in 2026 (172 days remaining)
Under WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2026, 83% of 193 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
Osaka City Chuo Ku National Osaka, Kamitakeshi, Nagano, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
11AQI (US)
10AQI (US)
8AQI (US)
17AQI (US)
25AQI (US)
18AQI (US)
25AQI (US)
25AQI (US)
16AQI (US)
28AQI (US)
21AQI (US)
12AQI (US)
23AQI (US)
14AQI (US)
40AQI (US)
56AQI (US)
56AQI (US)
48AQI (US)
53AQI (US)
28AQI (US)
13AQI (US)
17AQI (US)
26AQI (US)
45AQI (US)
44AQI (US)
23AQI (US)
40AQI (US)
28AQI (US)
31AQI (US)
43AQI (US)
17AQI (US)
41AQI (US)
44AQI (US)
30AQI (US)
27AQI (US)
53AQI (US)
55AQI (US)
15AQI (US)
11AQI (US)
32AQI (US)
42AQI (US)
42AQI (US)
51AQI (US)
68AQI (US)
58AQI (US)
57AQI (US)
58AQI (US)
25AQI (US)
24AQI (US)
60AQI (US)
38AQI (US)
55AQI (US)
41AQI (US)
52AQI (US)
51AQI (US)
20AQI (US)
13AQI (US)
15AQI (US)
15AQI (US)
22AQI (US)
56AQI (US)
35AQI (US)
46AQI (US)
50AQI (US)
43AQI (US)
38AQI (US)
37AQI (US)
42AQI (US)
52AQI (US)
51AQI (US)
55AQI (US)
34AQI (US)
40AQI (US)
47AQI (US)
47AQI (US)
46AQI (US)
48AQI (US)
26AQI (US)
58AQI (US)
52AQI (US)
48AQI (US)
47AQI (US)
44AQI (US)
44AQI (US)
14AQI (US)
26AQI (US)
60AQI (US)
68AQI (US)
51AQI (US)
19AQI (US)
14AQI (US)
27AQI (US)
47AQI (US)
35AQI (US)
17AQI (US)
42AQI (US)
37AQI (US)
28AQI (US)
21AQI (US)
30AQI (US)
32AQI (US)
30AQI (US)
32AQI (US)
44AQI (US)
20AQI (US)
21AQI (US)
32AQI (US)
33AQI (US)
31AQI (US)
29AQI (US)
32AQI (US)
31AQI (US)
27AQI (US)
18AQI (US)
25AQI (US)
37AQI (US)
36AQI (US)
35AQI (US)
31AQI (US)
23AQI (US)
22AQI (US)
47AQI (US)
53AQI (US)
24AQI (US)
21AQI (US)
28AQI (US)
30AQI (US)
26AQI (US)
25AQI (US)
28AQI (US)
29AQI (US)
35AQI (US)
39AQI (US)
31AQI (US)
32AQI (US)
84AQI (US)
67AQI (US)
53AQI (US)
48AQI (US)
61AQI (US)
59AQI (US)
62AQI (US)
54AQI (US)
60AQI (US)
48AQI (US)
38AQI (US)
15AQI (US)
28AQI (US)
24AQI (US)
25AQI (US)
40AQI (US)
38AQI (US)
17AQI (US)
19AQI (US)
21AQI (US)
21AQI (US)
23AQI (US)
20AQI (US)
20AQI (US)
23AQI (US)
22AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
24AQI (US)
20AQI (US)
24AQI (US)
22AQI (US)
24AQI (US)
27AQI (US)
28AQI (US)
18AQI (US)
17AQI (US)
17AQI (US)
20AQI (US)
21AQI (US)
24AQI (US)
23AQI (US)
24AQI (US)
34AQI (US)
51AQI (US)
47AQI (US)
18AQI (US)
18AQI (US)
25AQI (US)
20AQI (US)
20AQI (US)
23AQI (US)
24AQI (US)
25AQI (US)
27AQI (US)
28AQI (US)
27AQI (US)
28AQI (US)
39AQI (US)
43AQI (US)
30AQI (US)
40AQI (US)
24AQI (US)
25AQI (US)
No. of days
202633AQI (US)
Highest AQI (US) recorded in
March43AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202541AQI (US)
Highest AQI (US) recorded in
March47AQI (US)
Lowest AQI (US) recorded in
December34AQI (US)
202341AQI (US)
Highest AQI (US) recorded in
August63AQI (US)
Lowest AQI (US) recorded in
November9AQI (US)
202240AQI (US)
Highest AQI (US) recorded in
March51AQI (US)
Lowest AQI (US) recorded in
October30AQI (US)
202137AQI (US)
Highest AQI (US) recorded in
February43AQI (US)
Lowest AQI (US) recorded in
August31AQI (US)
202038AQI (US)
Highest AQI (US) recorded in
August52AQI (US)
Lowest AQI (US) recorded in
July28AQI (US)
Most & Least Polluted Years Over the Last 6 Years
Osaka City Chuo Ku National Osaka's annual 2026 AQI (US) (33) shows an average percentage change of -16.09% (improved AQI (US)) compared to previous years: 2020 (38), 2021 (37), 2022 (40), 2023 (41), 2025 (41).