Higashitokorozawa, Miyoshidai, 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
Higashitokorozawa, Miyoshidai, Saitama, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (17th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 23 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 16th Aug - 17th Aug 2026
Higashitokorozawa, Miyoshidai, Saitama, Japan
4 AM16th Aug 2026
6 PM
3 AM17th Aug 2026
29AQI
21AQI
54AQI
21AQI
In the last 24 hours,
Higashitokorozawa's AQI reached its highest point of 54 at 10 PM during the Night, while the lowest point, 21, was recorded at 3 AM during the Night between 16th Aug and 17th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Higashitokorozawa, Miyoshidai, Saitama, Japan
29°C26/33°C
32°C28/37°C
34°C30/38°C
34°C29/38°C
33°C29/39°C
31°C28/35°C
30°C26/36°C
29°C26/33°C
27°C24/32°C
26°C24/31°C
30°C24/36°C
32°C28/37°C
31°C28/36°C
32°C28/37°C
31°C25/36°C
25°C24/27°C
26°C22/31°C
27°C23/32°C
30°C26/34°C
30°C27/35°C
30°C27/35°C
29°C27/34°C
28°C25/31°C
24°C22/29°C
23°C22/25°C
26°C23/30°C
27°C24/30°C
27°C24/31°C
27°C24/29°C
13°C8/18°C
36AQI
28AQI
37AQI
29AQI
2026 Days Vs Air Quality
Higashitokorozawa, Miyoshidai, Saitama, Japan
85%
195
15%
34
Total number of days with different AQI categories in last 229 days in 2026 (136 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2026, 85% of 229 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
Higashitokorozawa, Miyoshidai, Saitama, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
24AQI (US)
20AQI (US)
18AQI (US)
27AQI (US)
43AQI (US)
14AQI (US)
31AQI (US)
37AQI (US)
20AQI (US)
38AQI (US)
28AQI (US)
13AQI (US)
32AQI (US)
17AQI (US)
33AQI (US)
50AQI (US)
55AQI (US)
26AQI (US)
50AQI (US)
42AQI (US)
12AQI (US)
22AQI (US)
38AQI (US)
37AQI (US)
46AQI (US)
30AQI (US)
40AQI (US)
11AQI (US)
18AQI (US)
34AQI (US)
34AQI (US)
38AQI (US)
43AQI (US)
32AQI (US)
38AQI (US)
55AQI (US)
49AQI (US)
15AQI (US)
15AQI (US)
35AQI (US)
39AQI (US)
57AQI (US)
31AQI (US)
41AQI (US)
42AQI (US)
61AQI (US)
47AQI (US)
20AQI (US)
34AQI (US)
30AQI (US)
22AQI (US)
48AQI (US)
43AQI (US)
43AQI (US)
42AQI (US)
36AQI (US)
10AQI (US)
30AQI (US)
47AQI (US)
40AQI (US)
83AQI (US)
45AQI (US)
60AQI (US)
59AQI (US)
52AQI (US)
49AQI (US)
45AQI (US)
53AQI (US)
58AQI (US)
60AQI (US)
69AQI (US)
43AQI (US)
34AQI (US)
28AQI (US)
42AQI (US)
55AQI (US)
58AQI (US)
34AQI (US)
27AQI (US)
54AQI (US)
49AQI (US)
52AQI (US)
55AQI (US)
61AQI (US)
32AQI (US)
21AQI (US)
50AQI (US)
55AQI (US)
57AQI (US)
28AQI (US)
21AQI (US)
37AQI (US)
45AQI (US)
45AQI (US)
37AQI (US)
28AQI (US)
41AQI (US)
24AQI (US)
33AQI (US)
47AQI (US)
42AQI (US)
26AQI (US)
37AQI (US)
41AQI (US)
42AQI (US)
33AQI (US)
32AQI (US)
34AQI (US)
41AQI (US)
38AQI (US)
40AQI (US)
47AQI (US)
37AQI (US)
33AQI (US)
46AQI (US)
51AQI (US)
49AQI (US)
42AQI (US)
40AQI (US)
39AQI (US)
49AQI (US)
52AQI (US)
48AQI (US)
28AQI (US)
21AQI (US)
32AQI (US)
34AQI (US)
26AQI (US)
25AQI (US)
28AQI (US)
31AQI (US)
36AQI (US)
49AQI (US)
33AQI (US)
38AQI (US)
87AQI (US)
69AQI (US)
54AQI (US)
49AQI (US)
62AQI (US)
59AQI (US)
61AQI (US)
54AQI (US)
59AQI (US)
48AQI (US)
40AQI (US)
25AQI (US)
25AQI (US)
30AQI (US)
22AQI (US)
31AQI (US)
31AQI (US)
33AQI (US)
18AQI (US)
23AQI (US)
22AQI (US)
21AQI (US)
22AQI (US)
20AQI (US)
23AQI (US)
22AQI (US)
24AQI (US)
25AQI (US)
29AQI (US)
25AQI (US)
18AQI (US)
27AQI (US)
24AQI (US)
25AQI (US)
30AQI (US)
22AQI (US)
20AQI (US)
19AQI (US)
21AQI (US)
22AQI (US)
26AQI (US)
29AQI (US)
27AQI (US)
29AQI (US)
28AQI (US)
28AQI (US)
27AQI (US)
23AQI (US)
17AQI (US)
35AQI (US)
16AQI (US)
26AQI (US)
26AQI (US)
25AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
27AQI (US)
31AQI (US)
36AQI (US)
28AQI (US)
47AQI (US)
47AQI (US)
33AQI (US)
34AQI (US)
44AQI (US)
50AQI (US)
64AQI (US)
55AQI (US)
45AQI (US)
33AQI (US)
22AQI (US)
23AQI (US)
30AQI (US)
34AQI (US)
32AQI (US)
54AQI (US)
61AQI (US)
44AQI (US)
16AQI (US)
24AQI (US)
27AQI (US)
22AQI (US)
25AQI (US)
23AQI (US)
27AQI (US)
24AQI (US)
32AQI (US)
23AQI (US)
25AQI (US)
17AQI (US)
24AQI (US)
25AQI (US)
23AQI (US)
30AQI (US)
37AQI (US)
49AQI (US)
38AQI (US)
42AQI (US)
24AQI (US)
33AQI (US)
27AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
March49AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202541AQI (US)
Highest AQI (US) recorded in
October52AQI (US)
Lowest AQI (US) recorded in
May34AQI (US)
202440AQI (US)
Highest AQI (US) recorded in
July53AQI (US)
Lowest AQI (US) recorded in
December32AQI (US)
202341AQI (US)
Highest AQI (US) recorded in
July49AQI (US)
Lowest AQI (US) recorded in
August32AQI (US)
202244AQI (US)
Highest AQI (US) recorded in
July60AQI (US)
Lowest AQI (US) recorded in
December33AQI (US)
202142AQI (US)
Highest AQI (US) recorded in
June50AQI (US)
Lowest AQI (US) recorded in
February34AQI (US)
202040AQI (US)
Highest AQI (US) recorded in
August56AQI (US)
Lowest AQI (US) recorded in
September32AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Higashitokorozawa's annual 2026 AQI (US) (36) shows an average percentage change of -12.8% (improved AQI (US)) compared to previous years: 2020 (40), 2021 (42), 2022 (44), 2023 (41), 2024 (40), 2025 (41).