Mito, 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
Mito, Ibaraki, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 34 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Mito, Ibaraki, Japan
4 AM2nd Aug 2025
6 PM
3 AM3rd Aug 2025
50AQI
28AQI
50AQI
30AQI
In the last 24 hours,
Mito's AQI reached its highest point of 50 at 2 PM during the Day, while the lowest point, 28, was recorded at 12 PM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Mito, Ibaraki, Japan
27°C23/32°C
27°C24/30°C
28°C24/33°C
28°C25/32°C
29°C25/33°C
30°C25/35°C
25°C21/30°C
22°C20/24°C
21°C20/24°C
24°C21/28°C
25°C23/28°C
25°C24/27°C
25°C24/27°C
28°C25/32°C
27°C24/33°C
27°C24/32°C
28°C24/33°C
28°C25/34°C
29°C25/34°C
29°C25/35°C
29°C25/34°C
30°C26/35°C
30°C25/36°C
30°C26/37°C
29°C26/34°C
28°C25/34°C
27°C23/31°C
26°C23/29°C
26°C23/30°C
28°C25/36°C
--°C/°C
48AQI
45AQI
47AQI
43AQI
2025 Days Vs Air Quality
Mito, Ibaraki, Japan
90%
192
10%
21
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2025, 90% of 215 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Mito, Ibaraki, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
35AQI
37AQI
25AQI
29AQI
35AQI
49AQI
32AQI
40AQI
35AQI
34AQI
33AQI
32AQI
34AQI
38AQI
44AQI
39AQI
36AQI
36AQI
48AQI
39AQI
44AQI
39AQI
44AQI
41AQI
39AQI
35AQI
39AQI
38AQI
38AQI
38AQI
34AQI
37AQI
29AQI
35AQI
33AQI
33AQI
30AQI
34AQI
32AQI
33AQI
29AQI
32AQI
43AQI
36AQI
34AQI
30AQI
34AQI
34AQI
30AQI
30AQI
29AQI
31AQI
30AQI
30AQI
32AQI
34AQI
35AQI
42AQI
48AQI
47AQI
56AQI
36AQI
39AQI
26AQI
31AQI
31AQI
35AQI
31AQI
37AQI
43AQI
46AQI
43AQI
40AQI
34AQI
25AQI
21AQI
26AQI
19AQI
25AQI
39AQI
52AQI
50AQI
52AQI
67AQI
66AQI
68AQI
45AQI
38AQI
36AQI
35AQI
27AQI
22AQI
21AQI
20AQI
25AQI
23AQI
32AQI
37AQI
28AQI
45AQI
42AQI
36AQI
28AQI
31AQI
28AQI
27AQI
43AQI
51AQI
62AQI
53AQI
46AQI
49AQI
29AQI
38AQI
38AQI
47AQI
48AQI
51AQI
34AQI
42AQI
36AQI
28AQI
32AQI
34AQI
33AQI
28AQI
25AQI
28AQI
31AQI
21AQI
26AQI
20AQI
37AQI
34AQI
40AQI
46AQI
28AQI
45AQI
37AQI
65AQI
54AQI
50AQI
44AQI
40AQI
29AQI
28AQI
25AQI
23AQI
26AQI
22AQI
16AQI
18AQI
30AQI
31AQI
27AQI
41AQI
46AQI
53AQI
61AQI
51AQI
41AQI
33AQI
43AQI
35AQI
35AQI
33AQI
30AQI
43AQI
38AQI
38AQI
33AQI
35AQI
25AQI
28AQI
28AQI
25AQI
25AQI
31AQI
32AQI
39AQI
44AQI
41AQI
44AQI
46AQI
44AQI
54AQI
63AQI
77AQI
76AQI
77AQI
54AQI
45AQI
47AQI
48AQI
40AQI
39AQI
38AQI
41AQI
38AQI
37AQI
38AQI
44AQI
44AQI
46AQI
46AQI
46AQI
45AQI
43AQI
44AQI
37AQI
37AQI
34AQI
34AQI
37AQI
34AQI
40AQI
37AQI
33AQI
36AQI
47AQI
34AQI
No. of days
202538AQI
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
May33AQI
202443AQI
Highest AQI recorded in
July59AQI
Lowest AQI recorded in
October35AQI
202343AQI
Highest AQI recorded in
July57AQI
Lowest AQI recorded in
October33AQI
202241AQI
Highest AQI recorded in
July51AQI
Lowest AQI recorded in
December33AQI
202138AQI
Highest AQI recorded in
July53AQI
Lowest AQI recorded in
September31AQI
202030AQI
Highest AQI recorded in
December39AQI
Lowest AQI recorded in
September0AQI
Most & Least Polluted Years Over the Last 6 Years
Mito's annual 2025 AQI (38) shows an average percentage change of -1.2% (improved AQI) compared to previous years: 2020 (30), 2021 (38), 2022 (41), 2023 (43), 2024 (43).