Sayama, 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
Sayama, Osaka, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (12th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 27 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 11th Aug - 12th Aug 2026
Sayama, Osaka, Japan
5 AM11th Aug 2026
7 PM
4 AM12th Aug 2026
29AQI
23AQI
28AQI
22AQI
In the last 24 hours,
Sayama's AQI reached its highest point of 29 at 11 AM during the Day, while the lowest point, 22, was recorded at 8 PM during the Night between 11th Aug and 12th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Sayama, Osaka, Japan
28°C25/32°C
28°C26/32°C
28°C25/31°C
29°C26/33°C
28°C25/31°C
27°C24/31°C
28°C25/32°C
29°C25/33°C
29°C26/33°C
30°C26/35°C
30°C27/35°C
30°C26/34°C
29°C25/33°C
28°C26/33°C
28°C25/32°C
26°C24/29°C
29°C25/32°C
29°C25/33°C
29°C25/34°C
29°C26/33°C
28°C25/32°C
27°C24/32°C
27°C22/33°C
28°C24/33°C
28°C25/34°C
27°C24/32°C
27°C24/31°C
26°C23/31°C
24°C20/28°C
25°C23/27°C
47AQI
39AQI
44AQI
39AQI
2026 Days Vs Air Quality
Sayama, Osaka, Japan
80%
179
20%
45
Total number of days with different AQI categories in last 225 days in 2026 (140 days remaining)
Under WHO’s Safe Air Quality Limits: 80%
Health Risk Level:
Low
In 2026, 80% of 225 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
Sayama, Osaka, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
22AQI (US)
21AQI (US)
18AQI (US)
32AQI (US)
50AQI (US)
23AQI (US)
32AQI (US)
32AQI (US)
22AQI (US)
38AQI (US)
33AQI (US)
34AQI (US)
35AQI (US)
24AQI (US)
48AQI (US)
63AQI (US)
57AQI (US)
45AQI (US)
55AQI (US)
26AQI (US)
13AQI (US)
24AQI (US)
41AQI (US)
45AQI (US)
19AQI (US)
18AQI (US)
45AQI (US)
28AQI (US)
18AQI (US)
34AQI (US)
30AQI (US)
38AQI (US)
49AQI (US)
28AQI (US)
39AQI (US)
53AQI (US)
47AQI (US)
12AQI (US)
13AQI (US)
37AQI (US)
49AQI (US)
50AQI (US)
54AQI (US)
64AQI (US)
73AQI (US)
64AQI (US)
60AQI (US)
17AQI (US)
29AQI (US)
31AQI (US)
38AQI (US)
53AQI (US)
30AQI (US)
51AQI (US)
50AQI (US)
31AQI (US)
15AQI (US)
46AQI (US)
42AQI (US)
39AQI (US)
77AQI (US)
43AQI (US)
59AQI (US)
54AQI (US)
53AQI (US)
37AQI (US)
34AQI (US)
50AQI (US)
58AQI (US)
54AQI (US)
56AQI (US)
39AQI (US)
45AQI (US)
60AQI (US)
59AQI (US)
52AQI (US)
57AQI (US)
40AQI (US)
56AQI (US)
50AQI (US)
53AQI (US)
49AQI (US)
59AQI (US)
39AQI (US)
11AQI (US)
41AQI (US)
52AQI (US)
64AQI (US)
40AQI (US)
21AQI (US)
21AQI (US)
42AQI (US)
56AQI (US)
34AQI (US)
19AQI (US)
42AQI (US)
37AQI (US)
34AQI (US)
36AQI (US)
47AQI (US)
34AQI (US)
34AQI (US)
40AQI (US)
47AQI (US)
20AQI (US)
25AQI (US)
40AQI (US)
30AQI (US)
35AQI (US)
38AQI (US)
40AQI (US)
44AQI (US)
34AQI (US)
27AQI (US)
45AQI (US)
48AQI (US)
49AQI (US)
47AQI (US)
44AQI (US)
32AQI (US)
40AQI (US)
51AQI (US)
49AQI (US)
18AQI (US)
22AQI (US)
29AQI (US)
31AQI (US)
28AQI (US)
28AQI (US)
26AQI (US)
34AQI (US)
34AQI (US)
41AQI (US)
36AQI (US)
36AQI (US)
84AQI (US)
67AQI (US)
53AQI (US)
48AQI (US)
61AQI (US)
61AQI (US)
62AQI (US)
56AQI (US)
60AQI (US)
50AQI (US)
40AQI (US)
24AQI (US)
25AQI (US)
26AQI (US)
23AQI (US)
27AQI (US)
28AQI (US)
28AQI (US)
24AQI (US)
25AQI (US)
20AQI (US)
23AQI (US)
21AQI (US)
20AQI (US)
23AQI (US)
22AQI (US)
25AQI (US)
26AQI (US)
28AQI (US)
24AQI (US)
22AQI (US)
26AQI (US)
23AQI (US)
25AQI (US)
33AQI (US)
25AQI (US)
21AQI (US)
19AQI (US)
18AQI (US)
21AQI (US)
26AQI (US)
30AQI (US)
26AQI (US)
28AQI (US)
28AQI (US)
41AQI (US)
32AQI (US)
17AQI (US)
24AQI (US)
25AQI (US)
20AQI (US)
16AQI (US)
19AQI (US)
24AQI (US)
24AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
35AQI (US)
28AQI (US)
32AQI (US)
54AQI (US)
51AQI (US)
62AQI (US)
46AQI (US)
44AQI (US)
63AQI (US)
69AQI (US)
80AQI (US)
53AQI (US)
48AQI (US)
44AQI (US)
32AQI (US)
42AQI (US)
44AQI (US)
47AQI (US)
49AQI (US)
52AQI (US)
47AQI (US)
47AQI (US)
26AQI (US)
23AQI (US)
28AQI (US)
29AQI (US)
25AQI (US)
24AQI (US)
24AQI (US)
25AQI (US)
27AQI (US)
33AQI (US)
42AQI (US)
48AQI (US)
37AQI (US)
41AQI (US)
25AQI (US)
39AQI (US)
31AQI (US)
No. of days
202638AQI (US)
Highest AQI (US) recorded in
March48AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202544AQI (US)
Highest AQI (US) recorded in
July52AQI (US)
Lowest AQI (US) recorded in
September34AQI (US)
202438AQI (US)
Highest AQI (US) recorded in
April49AQI (US)
Lowest AQI (US) recorded in
December32AQI (US)
202342AQI (US)
Highest AQI (US) recorded in
April50AQI (US)
Lowest AQI (US) recorded in
August31AQI (US)
202241AQI (US)
Highest AQI (US) recorded in
May49AQI (US)
Lowest AQI (US) recorded in
August20AQI (US)
202140AQI (US)
Highest AQI (US) recorded in
June48AQI (US)
Lowest AQI (US) recorded in
August34AQI (US)
202040AQI (US)
Highest AQI (US) recorded in
August59AQI (US)
Lowest AQI (US) recorded in
July31AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Sayama's annual 2026 AQI (US) (38) shows an average percentage change of -6.7% (improved AQI (US)) compared to previous years: 2020 (40), 2021 (40), 2022 (41), 2023 (42), 2024 (38), 2025 (44).