Shiroyama, Kashima, Ibaraki, 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
Shiroyama, Kashima, Ibaraki, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (7th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 36 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 6th Aug - 7th Aug 2026
Shiroyama, Kashima, Ibaraki, Japan
4 AM6th Aug 2026
6 PM
3 AM7th Aug 2026
38AQI
29AQI
44AQI
20AQI
In the last 24 hours,
Shiroyama's AQI reached its highest point of 44 at 9 PM during the Night, while the lowest point, 20, was recorded at 2 AM during the Night between 6th Aug and 7th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Shiroyama, Kashima, Ibaraki, Japan
24°C21/26°C
25°C22/28°C
25°C22/28°C
24°C23/26°C
25°C23/29°C
25°C22/28°C
27°C24/31°C
27°C25/29°C
26°C25/28°C
25°C24/27°C
26°C24/28°C
28°C25/31°C
28°C25/30°C
28°C25/31°C
26°C24/29°C
25°C23/27°C
24°C23/26°C
25°C23/27°C
23°C22/24°C
24°C22/26°C
25°C23/28°C
27°C25/30°C
25°C24/28°C
26°C24/29°C
24°C22/26°C
23°C22/24°C
23°C22/24°C
23°C22/25°C
26°C23/28°C
26°C24/29°C
43AQI
34AQI
51AQI
36AQI
2026 Days Vs Air Quality
Shiroyama, Kashima, Ibaraki, Japan
84%
185
16%
34
Total number of days with different AQI categories in last 219 days in 2026 (146 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2026, 84% of 219 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
Shiroyama, Kashima, Ibaraki, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
11AQI (US)
15AQI (US)
14AQI (US)
23AQI (US)
42AQI (US)
31AQI (US)
23AQI (US)
34AQI (US)
17AQI (US)
26AQI (US)
34AQI (US)
17AQI (US)
37AQI (US)
12AQI (US)
20AQI (US)
37AQI (US)
38AQI (US)
18AQI (US)
35AQI (US)
37AQI (US)
11AQI (US)
19AQI (US)
15AQI (US)
33AQI (US)
21AQI (US)
15AQI (US)
31AQI (US)
27AQI (US)
17AQI (US)
33AQI (US)
33AQI (US)
35AQI (US)
32AQI (US)
19AQI (US)
39AQI (US)
52AQI (US)
54AQI (US)
9AQI (US)
10AQI (US)
33AQI (US)
36AQI (US)
57AQI (US)
35AQI (US)
46AQI (US)
53AQI (US)
55AQI (US)
46AQI (US)
15AQI (US)
29AQI (US)
29AQI (US)
29AQI (US)
40AQI (US)
42AQI (US)
35AQI (US)
42AQI (US)
28AQI (US)
28AQI (US)
29AQI (US)
43AQI (US)
37AQI (US)
31AQI (US)
22AQI (US)
61AQI (US)
59AQI (US)
53AQI (US)
46AQI (US)
43AQI (US)
49AQI (US)
58AQI (US)
59AQI (US)
68AQI (US)
40AQI (US)
48AQI (US)
57AQI (US)
58AQI (US)
54AQI (US)
56AQI (US)
39AQI (US)
35AQI (US)
43AQI (US)
51AQI (US)
50AQI (US)
55AQI (US)
46AQI (US)
21AQI (US)
34AQI (US)
30AQI (US)
48AQI (US)
50AQI (US)
24AQI (US)
20AQI (US)
32AQI (US)
47AQI (US)
47AQI (US)
43AQI (US)
24AQI (US)
36AQI (US)
17AQI (US)
29AQI (US)
44AQI (US)
27AQI (US)
28AQI (US)
37AQI (US)
45AQI (US)
38AQI (US)
27AQI (US)
26AQI (US)
32AQI (US)
41AQI (US)
32AQI (US)
27AQI (US)
38AQI (US)
36AQI (US)
25AQI (US)
27AQI (US)
52AQI (US)
25AQI (US)
24AQI (US)
34AQI (US)
37AQI (US)
48AQI (US)
24AQI (US)
43AQI (US)
34AQI (US)
22AQI (US)
32AQI (US)
30AQI (US)
25AQI (US)
22AQI (US)
30AQI (US)
28AQI (US)
34AQI (US)
40AQI (US)
46AQI (US)
34AQI (US)
85AQI (US)
69AQI (US)
53AQI (US)
48AQI (US)
62AQI (US)
59AQI (US)
60AQI (US)
53AQI (US)
58AQI (US)
46AQI (US)
38AQI (US)
17AQI (US)
23AQI (US)
32AQI (US)
29AQI (US)
26AQI (US)
39AQI (US)
24AQI (US)
20AQI (US)
25AQI (US)
51AQI (US)
26AQI (US)
32AQI (US)
23AQI (US)
20AQI (US)
18AQI (US)
23AQI (US)
24AQI (US)
32AQI (US)
44AQI (US)
16AQI (US)
21AQI (US)
27AQI (US)
25AQI (US)
27AQI (US)
22AQI (US)
20AQI (US)
19AQI (US)
21AQI (US)
34AQI (US)
30AQI (US)
26AQI (US)
21AQI (US)
26AQI (US)
26AQI (US)
21AQI (US)
30AQI (US)
25AQI (US)
26AQI (US)
34AQI (US)
26AQI (US)
24AQI (US)
24AQI (US)
23AQI (US)
21AQI (US)
13AQI (US)
21AQI (US)
33AQI (US)
52AQI (US)
49AQI (US)
55AQI (US)
81AQI (US)
46AQI (US)
20AQI (US)
15AQI (US)
22AQI (US)
60AQI (US)
80AQI (US)
67AQI (US)
25AQI (US)
33AQI (US)
29AQI (US)
28AQI (US)
34AQI (US)
38AQI (US)
43AQI (US)
38AQI (US)
61AQI (US)
38AQI (US)
28AQI (US)
34AQI (US)
36AQI (US)
32AQI (US)
36AQI (US)
25AQI (US)
36AQI (US)
46AQI (US)
33AQI (US)
40AQI (US)
26AQI (US)
36AQI (US)
38AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
March46AQI (US)
Lowest AQI (US) recorded in
January25AQI (US)
202538AQI (US)
Highest AQI (US) recorded in
July44AQI (US)
Lowest AQI (US) recorded in
February32AQI (US)
202436AQI (US)
Highest AQI (US) recorded in
July52AQI (US)
Lowest AQI (US) recorded in
August29AQI (US)
202336AQI (US)
Highest AQI (US) recorded in
April43AQI (US)
Lowest AQI (US) recorded in
August27AQI (US)
202236AQI (US)
Highest AQI (US) recorded in
August44AQI (US)
Lowest AQI (US) recorded in
September30AQI (US)
202136AQI (US)
Highest AQI (US) recorded in
May40AQI (US)
Lowest AQI (US) recorded in
July32AQI (US)
202032AQI (US)
Highest AQI (US) recorded in
December45AQI (US)
Lowest AQI (US) recorded in
July25AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Shiroyama's annual 2026 AQI (US) (35) shows an average percentage change of -1.6% (improved AQI (US)) compared to previous years: 2020 (32), 2021 (36), 2022 (36), 2023 (36), 2024 (36), 2025 (38).