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 (8th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 27 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 7th Aug - 8th Aug 2026
Shiroyama, Kashima, Ibaraki, Japan
4 AM7th Aug 2026
6 PM
3 AM8th Aug 2026
56AQI
17AQI
68AQI
15AQI
In the last 24 hours,
Shiroyama's AQI reached its highest point of 68 at 9 PM during the Night, while the lowest point, 15, was recorded at 3 AM during the Night between 7th Aug and 8th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Shiroyama, Kashima, Ibaraki, Japan
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
26°C24/29°C
44AQI
34AQI
53AQI
35AQI
2026 Days Vs Air Quality
Shiroyama, Kashima, Ibaraki, Japan
85%
186
15%
34
Total number of days with different AQI categories in last 220 days in 2026 (145 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2026, 85% of 220 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)
27AQI (US)
25AQI (US)
36AQI (US)
46AQI (US)
33AQI (US)
40AQI (US)
26AQI (US)
36AQI (US)
37AQI (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).