Tsuchiura, 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
Tsuchiura, Ibaraki, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (5th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 30 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 4th Aug - 5th Aug 2026
Tsuchiura, Ibaraki, Japan
4 AM4th Aug 2026
6 PM
3 AM5th Aug 2026
32AQI
23AQI
34AQI
24AQI
In the last 24 hours,
Tsuchiura's AQI reached its highest point of 34 at 2 AM during the Night, while the lowest point, 23, was recorded at 6 PM during the Day between 4th Aug and 5th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Tsuchiura, Ibaraki, Japan
23°C19/28°C
24°C20/29°C
26°C21/32°C
27°C23/33°C
27°C23/31°C
25°C24/28°C
26°C23/32°C
28°C23/34°C
30°C26/36°C
29°C26/35°C
28°C25/31°C
27°C24/30°C
28°C24/32°C
31°C25/38°C
31°C27/38°C
32°C28/39°C
30°C26/36°C
27°C25/33°C
26°C23/32°C
27°C24/32°C
25°C22/29°C
25°C22/29°C
27°C23/34°C
30°C26/37°C
29°C26/33°C
30°C25/36°C
26°C22/30°C
24°C22/27°C
24°C21/27°C
25°C22/30°C
41AQI
35AQI
43AQI
38AQI
2026 Days Vs Air Quality
Tsuchiura, Ibaraki, Japan
82%
177
18%
40
Total number of days with different AQI categories in last 217 days in 2026 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2026, 82% of 217 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
Tsuchiura, Ibaraki, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
14AQI (US)
19AQI (US)
19AQI (US)
26AQI (US)
39AQI (US)
18AQI (US)
32AQI (US)
38AQI (US)
16AQI (US)
24AQI (US)
26AQI (US)
16AQI (US)
40AQI (US)
12AQI (US)
28AQI (US)
42AQI (US)
43AQI (US)
40AQI (US)
35AQI (US)
42AQI (US)
16AQI (US)
24AQI (US)
36AQI (US)
34AQI (US)
17AQI (US)
18AQI (US)
38AQI (US)
34AQI (US)
21AQI (US)
25AQI (US)
38AQI (US)
38AQI (US)
32AQI (US)
21AQI (US)
40AQI (US)
57AQI (US)
52AQI (US)
14AQI (US)
14AQI (US)
34AQI (US)
42AQI (US)
68AQI (US)
44AQI (US)
41AQI (US)
60AQI (US)
74AQI (US)
60AQI (US)
17AQI (US)
38AQI (US)
32AQI (US)
32AQI (US)
38AQI (US)
39AQI (US)
39AQI (US)
37AQI (US)
32AQI (US)
12AQI (US)
43AQI (US)
44AQI (US)
35AQI (US)
67AQI (US)
45AQI (US)
58AQI (US)
59AQI (US)
50AQI (US)
38AQI (US)
15AQI (US)
40AQI (US)
59AQI (US)
60AQI (US)
68AQI (US)
40AQI (US)
47AQI (US)
56AQI (US)
56AQI (US)
54AQI (US)
57AQI (US)
39AQI (US)
34AQI (US)
44AQI (US)
50AQI (US)
52AQI (US)
44AQI (US)
52AQI (US)
29AQI (US)
22AQI (US)
48AQI (US)
56AQI (US)
53AQI (US)
27AQI (US)
23AQI (US)
36AQI (US)
48AQI (US)
47AQI (US)
41AQI (US)
24AQI (US)
41AQI (US)
22AQI (US)
28AQI (US)
48AQI (US)
38AQI (US)
30AQI (US)
44AQI (US)
38AQI (US)
40AQI (US)
34AQI (US)
32AQI (US)
32AQI (US)
33AQI (US)
34AQI (US)
39AQI (US)
45AQI (US)
36AQI (US)
32AQI (US)
45AQI (US)
52AQI (US)
50AQI (US)
43AQI (US)
40AQI (US)
39AQI (US)
49AQI (US)
50AQI (US)
46AQI (US)
32AQI (US)
17AQI (US)
32AQI (US)
32AQI (US)
26AQI (US)
26AQI (US)
30AQI (US)
30AQI (US)
33AQI (US)
38AQI (US)
35AQI (US)
34AQI (US)
86AQI (US)
68AQI (US)
52AQI (US)
49AQI (US)
62AQI (US)
59AQI (US)
60AQI (US)
53AQI (US)
58AQI (US)
47AQI (US)
39AQI (US)
25AQI (US)
26AQI (US)
26AQI (US)
58AQI (US)
64AQI (US)
49AQI (US)
28AQI (US)
26AQI (US)
23AQI (US)
22AQI (US)
23AQI (US)
21AQI (US)
21AQI (US)
23AQI (US)
22AQI (US)
24AQI (US)
24AQI (US)
40AQI (US)
58AQI (US)
18AQI (US)
20AQI (US)
24AQI (US)
25AQI (US)
27AQI (US)
22AQI (US)
21AQI (US)
21AQI (US)
22AQI (US)
22AQI (US)
27AQI (US)
30AQI (US)
26AQI (US)
28AQI (US)
28AQI (US)
24AQI (US)
40AQI (US)
24AQI (US)
20AQI (US)
38AQI (US)
34AQI (US)
34AQI (US)
26AQI (US)
20AQI (US)
22AQI (US)
25AQI (US)
24AQI (US)
26AQI (US)
60AQI (US)
49AQI (US)
58AQI (US)
82AQI (US)
64AQI (US)
21AQI (US)
21AQI (US)
30AQI (US)
55AQI (US)
76AQI (US)
67AQI (US)
36AQI (US)
24AQI (US)
30AQI (US)
25AQI (US)
34AQI (US)
36AQI (US)
44AQI (US)
46AQI (US)
66AQI (US)
44AQI (US)
27AQI (US)
27AQI (US)
30AQI (US)
28AQI (US)
39AQI (US)
47AQI (US)
38AQI (US)
43AQI (US)
26AQI (US)
38AQI (US)
39AQI (US)
No. of days
202637AQI (US)
Highest AQI (US) recorded in
March47AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202540AQI (US)
Highest AQI (US) recorded in
July49AQI (US)
Lowest AQI (US) recorded in
September34AQI (US)
202442AQI (US)
Highest AQI (US) recorded in
July58AQI (US)
Lowest AQI (US) recorded in
December35AQI (US)
202341AQI (US)
Highest AQI (US) recorded in
December46AQI (US)
Lowest AQI (US) recorded in
August34AQI (US)
202240AQI (US)
Highest AQI (US) recorded in
June45AQI (US)
Lowest AQI (US) recorded in
September35AQI (US)
202137AQI (US)
Highest AQI (US) recorded in
December44AQI (US)
Lowest AQI (US) recorded in
July32AQI (US)
202038AQI (US)
Highest AQI (US) recorded in
December58AQI (US)
Lowest AQI (US) recorded in
July26AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Tsuchiura's annual 2026 AQI (US) (37) shows an average percentage change of -6.5% (improved AQI (US)) compared to previous years: 2020 (38), 2021 (37), 2022 (40), 2023 (41), 2024 (42), 2025 (40).