Yonago, Tottori, 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
Yonago, Tottori, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 44 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Yonago, Tottori, Japan
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
58AQI
38AQI
45AQI
39AQI
In the last 24 hours,
Yonago's AQI reached its highest point of 58 at 2 PM during the Day, while the lowest point, 38, was recorded at 7 PM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Yonago, Tottori, Japan
27°C24/32°C
27°C24/31°C
27°C23/32°C
26°C22/29°C
26°C23/29°C
26°C23/30°C
26°C23/29°C
25°C23/28°C
25°C23/28°C
27°C24/30°C
25°C22/27°C
25°C21/31°C
26°C22/32°C
27°C24/32°C
25°C24/26°C
27°C23/31°C
27°C23/32°C
27°C24/32°C
27°C24/31°C
28°C25/31°C
28°C25/31°C
29°C25/32°C
29°C25/33°C
28°C24/32°C
28°C25/31°C
29°C26/32°C
28°C26/32°C
28°C26/31°C
27°C25/30°C
27°C24/30°C
--°C/°C
49AQI
45AQI
49AQI
47AQI
2025 Days Vs Air Quality
Yonago, Tottori, Japan
71%
151
29%
62
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 71%
Health Risk Level:
Low
In 2025, 71% 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
Yonago, Tottori, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
30AQI
38AQI
31AQI
31AQI
28AQI
34AQI
31AQI
31AQI
29AQI
29AQI
28AQI
30AQI
30AQI
46AQI
33AQI
34AQI
28AQI
28AQI
38AQI
34AQI
38AQI
53AQI
60AQI
52AQI
43AQI
38AQI
31AQI
31AQI
34AQI
45AQI
75AQI
58AQI
43AQI
46AQI
39AQI
39AQI
33AQI
34AQI
32AQI
30AQI
32AQI
30AQI
33AQI
32AQI
33AQI
30AQI
36AQI
38AQI
33AQI
33AQI
31AQI
32AQI
33AQI
33AQI
35AQI
34AQI
50AQI
48AQI
53AQI
48AQI
50AQI
43AQI
38AQI
31AQI
34AQI
36AQI
37AQI
39AQI
38AQI
40AQI
37AQI
47AQI
37AQI
30AQI
23AQI
27AQI
26AQI
36AQI
42AQI
56AQI
60AQI
70AQI
63AQI
82AQI
74AQI
75AQI
55AQI
47AQI
42AQI
41AQI
38AQI
31AQI
23AQI
32AQI
38AQI
47AQI
47AQI
49AQI
50AQI
57AQI
55AQI
50AQI
40AQI
43AQI
30AQI
45AQI
44AQI
55AQI
51AQI
43AQI
40AQI
41AQI
24AQI
28AQI
69AQI
52AQI
55AQI
46AQI
53AQI
55AQI
52AQI
41AQI
46AQI
39AQI
42AQI
31AQI
32AQI
30AQI
30AQI
35AQI
40AQI
53AQI
54AQI
60AQI
58AQI
57AQI
42AQI
48AQI
53AQI
57AQI
61AQI
41AQI
52AQI
39AQI
31AQI
31AQI
33AQI
35AQI
38AQI
38AQI
40AQI
47AQI
50AQI
34AQI
42AQI
40AQI
52AQI
58AQI
65AQI
57AQI
38AQI
47AQI
54AQI
55AQI
39AQI
32AQI
33AQI
33AQI
45AQI
48AQI
53AQI
61AQI
72AQI
54AQI
49AQI
50AQI
53AQI
57AQI
56AQI
54AQI
57AQI
66AQI
64AQI
58AQI
67AQI
61AQI
55AQI
57AQI
57AQI
64AQI
68AQI
59AQI
55AQI
55AQI
42AQI
50AQI
57AQI
47AQI
40AQI
38AQI
35AQI
38AQI
39AQI
45AQI
50AQI
37AQI
31AQI
29AQI
30AQI
38AQI
44AQI
45AQI
44AQI
37AQI
37AQI
45AQI
44AQI
43AQI
50AQI
49AQI
44AQI
No. of days
202544AQI
Highest AQI recorded in
June50AQI
Lowest AQI recorded in
January37AQI
202434AQI
Highest AQI recorded in
April45AQI
Lowest AQI recorded in
February13AQI
202339AQI
Highest AQI recorded in
April55AQI
Lowest AQI recorded in
August28AQI
202246AQI
Highest AQI recorded in
September73AQI
Lowest AQI recorded in
August29AQI
202141AQI
Highest AQI recorded in
February48AQI
Lowest AQI recorded in
December36AQI
202045AQI
Highest AQI recorded in
August67AQI
Lowest AQI recorded in
July34AQI
Most & Least Polluted Years Over the Last 6 Years
Yonago's annual 2025 AQI (44) shows an average percentage change of 7.3% (worsened AQI) compared to previous years: 2020 (45), 2021 (41), 2022 (46), 2023 (39), 2024 (34).