Atsuka, Ogawa, Saitama, 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
Atsuka, Ogawa, Saitama, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (11th August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 3rd highest AQI at 26 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 10th Aug - 11th Aug 2026
Atsuka, Ogawa, Saitama, Japan
4 AM10th Aug 2026
6 PM
3 AM11th Aug 2026
40AQI
21AQI
29AQI
21AQI
In the last 24 hours,
Atsuka's AQI reached its highest point of 40 at 7 AM during the Day, while the lowest point, 21, was recorded at 11 PM during the Night between 10th Aug and 11th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Atsuka, Ogawa, Saitama, Japan
25°C24/29°C
29°C23/35°C
30°C25/36°C
29°C25/35°C
27°C25/30°C
25°C24/27°C
28°C23/34°C
31°C25/36°C
31°C26/37°C
31°C26/37°C
31°C26/37°C
29°C25/33°C
28°C24/35°C
27°C24/31°C
26°C22/31°C
24°C22/27°C
27°C20/35°C
28°C23/35°C
29°C24/35°C
31°C25/36°C
29°C24/36°C
23°C22/24°C
24°C21/30°C
26°C20/31°C
28°C24/33°C
29°C24/34°C
28°C25/34°C
27°C23/32°C
26°C23/32°C
23°C20/28°C
33AQI
30AQI
34AQI
31AQI
2026 Days Vs Air Quality
Atsuka, Ogawa, Saitama, Japan
84%
188
16%
35
Total number of days with different AQI categories in last 223 days in 2026 (142 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2026, 84% 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
Atsuka, Ogawa, Saitama, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
20AQI (US)
16AQI (US)
12AQI (US)
20AQI (US)
27AQI (US)
19AQI (US)
22AQI (US)
23AQI (US)
15AQI (US)
27AQI (US)
37AQI (US)
12AQI (US)
23AQI (US)
13AQI (US)
30AQI (US)
43AQI (US)
45AQI (US)
27AQI (US)
52AQI (US)
29AQI (US)
11AQI (US)
23AQI (US)
40AQI (US)
37AQI (US)
42AQI (US)
30AQI (US)
43AQI (US)
26AQI (US)
25AQI (US)
36AQI (US)
38AQI (US)
37AQI (US)
47AQI (US)
31AQI (US)
37AQI (US)
44AQI (US)
38AQI (US)
11AQI (US)
16AQI (US)
37AQI (US)
41AQI (US)
48AQI (US)
35AQI (US)
49AQI (US)
68AQI (US)
58AQI (US)
37AQI (US)
15AQI (US)
31AQI (US)
30AQI (US)
29AQI (US)
47AQI (US)
43AQI (US)
43AQI (US)
37AQI (US)
42AQI (US)
10AQI (US)
24AQI (US)
48AQI (US)
51AQI (US)
83AQI (US)
51AQI (US)
59AQI (US)
62AQI (US)
53AQI (US)
48AQI (US)
47AQI (US)
54AQI (US)
58AQI (US)
60AQI (US)
72AQI (US)
44AQI (US)
36AQI (US)
13AQI (US)
29AQI (US)
58AQI (US)
60AQI (US)
37AQI (US)
32AQI (US)
49AQI (US)
59AQI (US)
58AQI (US)
43AQI (US)
59AQI (US)
27AQI (US)
18AQI (US)
43AQI (US)
57AQI (US)
58AQI (US)
33AQI (US)
14AQI (US)
24AQI (US)
46AQI (US)
58AQI (US)
28AQI (US)
25AQI (US)
44AQI (US)
22AQI (US)
32AQI (US)
49AQI (US)
38AQI (US)
36AQI (US)
37AQI (US)
49AQI (US)
48AQI (US)
27AQI (US)
33AQI (US)
35AQI (US)
41AQI (US)
39AQI (US)
41AQI (US)
47AQI (US)
37AQI (US)
31AQI (US)
46AQI (US)
52AQI (US)
48AQI (US)
42AQI (US)
40AQI (US)
40AQI (US)
44AQI (US)
52AQI (US)
49AQI (US)
31AQI (US)
19AQI (US)
35AQI (US)
37AQI (US)
29AQI (US)
28AQI (US)
36AQI (US)
38AQI (US)
43AQI (US)
46AQI (US)
41AQI (US)
53AQI (US)
86AQI (US)
69AQI (US)
53AQI (US)
49AQI (US)
61AQI (US)
59AQI (US)
62AQI (US)
53AQI (US)
59AQI (US)
47AQI (US)
40AQI (US)
27AQI (US)
26AQI (US)
25AQI (US)
28AQI (US)
31AQI (US)
38AQI (US)
35AQI (US)
19AQI (US)
21AQI (US)
22AQI (US)
23AQI (US)
21AQI (US)
18AQI (US)
22AQI (US)
22AQI (US)
26AQI (US)
25AQI (US)
27AQI (US)
25AQI (US)
22AQI (US)
26AQI (US)
25AQI (US)
26AQI (US)
30AQI (US)
18AQI (US)
15AQI (US)
20AQI (US)
22AQI (US)
22AQI (US)
23AQI (US)
26AQI (US)
26AQI (US)
29AQI (US)
28AQI (US)
25AQI (US)
26AQI (US)
22AQI (US)
16AQI (US)
42AQI (US)
24AQI (US)
32AQI (US)
27AQI (US)
26AQI (US)
26AQI (US)
28AQI (US)
29AQI (US)
29AQI (US)
28AQI (US)
31AQI (US)
29AQI (US)
30AQI (US)
36AQI (US)
29AQI (US)
30AQI (US)
27AQI (US)
51AQI (US)
60AQI (US)
54AQI (US)
39AQI (US)
35AQI (US)
26AQI (US)
25AQI (US)
29AQI (US)
30AQI (US)
27AQI (US)
39AQI (US)
43AQI (US)
35AQI (US)
24AQI (US)
25AQI (US)
28AQI (US)
25AQI (US)
23AQI (US)
22AQI (US)
25AQI (US)
27AQI (US)
26AQI (US)
28AQI (US)
37AQI (US)
49AQI (US)
38AQI (US)
44AQI (US)
24AQI (US)
32AQI (US)
28AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
March49AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202539AQI (US)
Highest AQI (US) recorded in
July50AQI (US)
Lowest AQI (US) recorded in
January33AQI (US)
202340AQI (US)
Highest AQI (US) recorded in
April51AQI (US)
Lowest AQI (US) recorded in
August32AQI (US)
202238AQI (US)
Highest AQI (US) recorded in
June46AQI (US)
Lowest AQI (US) recorded in
December29AQI (US)
202137AQI (US)
Highest AQI (US) recorded in
June44AQI (US)
Lowest AQI (US) recorded in
October30AQI (US)
202036AQI (US)
Highest AQI (US) recorded in
August52AQI (US)
Lowest AQI (US) recorded in
September23AQI (US)
Most & Least Polluted Years Over the Last 6 Years
Atsuka's annual 2026 AQI (US) (36) shows an average percentage change of -5.1% (improved AQI (US)) compared to previous years: 2020 (36), 2021 (37), 2022 (38), 2023 (40), 2025 (39).