Kasama, 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
Kasama, Ibaraki, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 3rd highest AQI at 14 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2026
Kasama, Ibaraki, Japan
4 AM2nd Aug 2026
6 PM
3 AM3rd Aug 2026
76AQI
9AQI
12AQI
6AQI
In the last 24 hours,
Kasama's AQI reached its highest point of 76 at 5 AM during the Day, while the lowest point, 6, was recorded at 10 PM during the Night between 2nd Aug and 3rd Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Kasama, Ibaraki, Japan
22°C20/23°C
21°C20/25°C
22°C19/25°C
23°C19/26°C
24°C20/29°C
26°C21/31°C
26°C22/32°C
24°C23/26°C
25°C23/32°C
27°C22/32°C
29°C24/35°C
28°C25/32°C
26°C24/29°C
26°C24/28°C
27°C23/31°C
30°C25/35°C
29°C25/35°C
29°C25/36°C
27°C24/33°C
24°C23/28°C
25°C22/28°C
25°C23/30°C
24°C21/27°C
24°C21/27°C
26°C22/31°C
28°C25/34°C
26°C24/30°C
27°C23/33°C
25°C22/29°C
23°C21/25°C
33AQI
32AQI
35AQI
32AQI
2026 Days Vs Air Quality
Kasama, Ibaraki, Japan
85%
182
15%
33
Total number of days with different AQI categories in last 215 days in 2026 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2026, 85% of 215 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
Kasama, Ibaraki, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
18AQI (US)
17AQI (US)
15AQI (US)
23AQI (US)
38AQI (US)
23AQI (US)
31AQI (US)
40AQI (US)
23AQI (US)
41AQI (US)
28AQI (US)
15AQI (US)
36AQI (US)
12AQI (US)
30AQI (US)
49AQI (US)
47AQI (US)
28AQI (US)
41AQI (US)
30AQI (US)
20AQI (US)
20AQI (US)
34AQI (US)
37AQI (US)
41AQI (US)
18AQI (US)
29AQI (US)
28AQI (US)
25AQI (US)
24AQI (US)
36AQI (US)
38AQI (US)
15AQI (US)
19AQI (US)
24AQI (US)
38AQI (US)
46AQI (US)
12AQI (US)
12AQI (US)
34AQI (US)
25AQI (US)
51AQI (US)
31AQI (US)
38AQI (US)
68AQI (US)
72AQI (US)
51AQI (US)
16AQI (US)
31AQI (US)
29AQI (US)
31AQI (US)
47AQI (US)
37AQI (US)
41AQI (US)
26AQI (US)
30AQI (US)
9AQI (US)
39AQI (US)
45AQI (US)
40AQI (US)
88AQI (US)
45AQI (US)
62AQI (US)
63AQI (US)
51AQI (US)
40AQI (US)
15AQI (US)
33AQI (US)
56AQI (US)
58AQI (US)
67AQI (US)
42AQI (US)
49AQI (US)
60AQI (US)
59AQI (US)
58AQI (US)
58AQI (US)
38AQI (US)
26AQI (US)
38AQI (US)
50AQI (US)
52AQI (US)
59AQI (US)
44AQI (US)
20AQI (US)
17AQI (US)
47AQI (US)
52AQI (US)
56AQI (US)
31AQI (US)
14AQI (US)
28AQI (US)
47AQI (US)
46AQI (US)
23AQI (US)
20AQI (US)
41AQI (US)
19AQI (US)
29AQI (US)
46AQI (US)
36AQI (US)
30AQI (US)
44AQI (US)
36AQI (US)
39AQI (US)
31AQI (US)
34AQI (US)
35AQI (US)
40AQI (US)
36AQI (US)
39AQI (US)
45AQI (US)
35AQI (US)
31AQI (US)
44AQI (US)
49AQI (US)
48AQI (US)
40AQI (US)
37AQI (US)
39AQI (US)
47AQI (US)
50AQI (US)
41AQI (US)
28AQI (US)
17AQI (US)
34AQI (US)
33AQI (US)
26AQI (US)
24AQI (US)
29AQI (US)
30AQI (US)
37AQI (US)
45AQI (US)
37AQI (US)
34AQI (US)
84AQI (US)
68AQI (US)
53AQI (US)
49AQI (US)
61AQI (US)
58AQI (US)
62AQI (US)
53AQI (US)
59AQI (US)
47AQI (US)
38AQI (US)
25AQI (US)
21AQI (US)
15AQI (US)
24AQI (US)
27AQI (US)
29AQI (US)
33AQI (US)
12AQI (US)
11AQI (US)
21AQI (US)
20AQI (US)
21AQI (US)
20AQI (US)
23AQI (US)
22AQI (US)
24AQI (US)
24AQI (US)
26AQI (US)
39AQI (US)
13AQI (US)
17AQI (US)
24AQI (US)
24AQI (US)
30AQI (US)
21AQI (US)
20AQI (US)
19AQI (US)
21AQI (US)
21AQI (US)
27AQI (US)
29AQI (US)
26AQI (US)
29AQI (US)
27AQI (US)
23AQI (US)
27AQI (US)
18AQI (US)
18AQI (US)
34AQI (US)
27AQI (US)
27AQI (US)
26AQI (US)
23AQI (US)
24AQI (US)
25AQI (US)
27AQI (US)
27AQI (US)
29AQI (US)
27AQI (US)
32AQI (US)
68AQI (US)
51AQI (US)
16AQI (US)
20AQI (US)
26AQI (US)
51AQI (US)
64AQI (US)
64AQI (US)
25AQI (US)
21AQI (US)
26AQI (US)
25AQI (US)
29AQI (US)
30AQI (US)
34AQI (US)
45AQI (US)
54AQI (US)
42AQI (US)
14AQI (US)
29AQI (US)
34AQI (US)
48AQI (US)
36AQI (US)
41AQI (US)
23AQI (US)
32AQI (US)
37AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
March48AQI (US)
Lowest AQI (US) recorded in
June23AQI (US)
202540AQI (US)
Highest AQI (US) recorded in
July48AQI (US)
Lowest AQI (US) recorded in
September33AQI (US)
202437AQI (US)
Highest AQI (US) recorded in
July47AQI (US)
Lowest AQI (US) recorded in
January30AQI (US)
202337AQI (US)
Highest AQI (US) recorded in
March39AQI (US)
Lowest AQI (US) recorded in
November27AQI (US)
202233AQI (US)
Highest AQI (US) recorded in
March40AQI (US)
Lowest AQI (US) recorded in
October26AQI (US)
202128AQI (US)
Highest AQI (US) recorded in
June35AQI (US)
Lowest AQI (US) recorded in
April24AQI (US)
202027AQI (US)
Highest AQI (US) recorded in
August36AQI (US)
Lowest AQI (US) recorded in
April21AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Kasama's annual 2026 AQI (US) (35) shows an average percentage change of 6.2% (worsened AQI (US)) compared to previous years: 2020 (27), 2021 (28), 2022 (33), 2023 (37), 2024 (37), 2025 (40).