Gyeongnyeolbiyeoldo, Sosan, Chungnam, South Korea 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
Gyeongnyeolbiyeoldo, Sosan, Chungnam, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (9th August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 53 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 9th Aug - 10th Aug 2025
Gyeongnyeolbiyeoldo, Sosan, Chungnam, South Korea
5 AM9th Aug 2025
7 PM
4 AM10th Aug 2025
61AQI
52AQI
54AQI
52AQI
In the last 24 hours,
Gyeongnyeolbiyeoldo's AQI reached its highest point of 61 at 12 PM during the Day, while the lowest point, 52, was recorded at 4 AM during the Night between 9th Aug and 10th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Gyeongnyeolbiyeoldo, Sosan, Chungnam, South Korea
27°C23/31°C
26°C22/30°C
24°C22/25°C
23°C20/26°C
22°C20/25°C
23°C22/24°C
24°C23/25°C
24°C23/24°C
24°C23/26°C
25°C24/27°C
25°C24/28°C
26°C24/28°C
26°C24/29°C
26°C24/30°C
27°C24/32°C
28°C25/32°C
28°C26/31°C
27°C25/31°C
27°C25/30°C
28°C25/31°C
27°C25/30°C
27°C25/30°C
27°C25/30°C
26°C23/27°C
26°C24/28°C
26°C24/28°C
26°C25/29°C
25°C23/27°C
25°C22/27°C
24°C21/25°C
--°C/°C
55AQI
55AQI
55AQI
55AQI
2025 Days Vs Air Quality
Gyeongnyeolbiyeoldo, Sosan, Chungnam, South Korea
10%
23
83%
183
7%
15
Total number of days with different AQI categories in last 222 days in 2025 (143 days remaining)
Under WHO’s Safe Air Quality Limits: 10%
Health Risk Level:
Extreme
In 2025, 10% of 222 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
Gyeongnyeolbiyeoldo, Sosan, Chungnam, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
78AQI
53AQI
55AQI
58AQI
88AQI
73AQI
58AQI
62AQI
44AQI
48AQI
55AQI
65AQI
82AQI
100AQI
57AQI
72AQI
57AQI
61AQI
73AQI
121AQI
84AQI
107AQI
73AQI
88AQI
71AQI
60AQI
68AQI
57AQI
49AQI
57AQI
75AQI
83AQI
87AQI
53AQI
47AQI
41AQI
46AQI
52AQI
48AQI
51AQI
56AQI
64AQI
62AQI
55AQI
83AQI
60AQI
106AQI
54AQI
59AQI
43AQI
48AQI
51AQI
52AQI
52AQI
49AQI
64AQI
61AQI
74AQI
72AQI
90AQI
102AQI
65AQI
59AQI
45AQI
92AQI
78AQI
81AQI
91AQI
113AQI
98AQI
115AQI
82AQI
79AQI
77AQI
71AQI
71AQI
91AQI
83AQI
104AQI
119AQI
129AQI
133AQI
132AQI
111AQI
106AQI
98AQI
68AQI
63AQI
59AQI
79AQI
80AQI
88AQI
107AQI
102AQI
92AQI
82AQI
87AQI
88AQI
82AQI
91AQI
86AQI
76AQI
71AQI
62AQI
70AQI
72AQI
74AQI
77AQI
66AQI
77AQI
68AQI
64AQI
62AQI
67AQI
62AQI
64AQI
61AQI
73AQI
73AQI
71AQI
68AQI
61AQI
60AQI
59AQI
58AQI
58AQI
57AQI
62AQI
51AQI
61AQI
72AQI
75AQI
77AQI
72AQI
60AQI
45AQI
44AQI
58AQI
58AQI
37AQI
39AQI
52AQI
57AQI
61AQI
55AQI
67AQI
64AQI
64AQI
68AQI
68AQI
70AQI
72AQI
74AQI
64AQI
57AQI
55AQI
60AQI
57AQI
61AQI
52AQI
43AQI
56AQI
54AQI
56AQI
57AQI
47AQI
52AQI
54AQI
58AQI
56AQI
48AQI
53AQI
54AQI
57AQI
60AQI
54AQI
54AQI
61AQI
56AQI
51AQI
50AQI
50AQI
53AQI
49AQI
54AQI
52AQI
53AQI
53AQI
58AQI
59AQI
57AQI
58AQI
57AQI
60AQI
58AQI
53AQI
58AQI
56AQI
53AQI
52AQI
54AQI
53AQI
51AQI
51AQI
53AQI
60AQI
61AQI
58AQI
58AQI
59AQI
61AQI
60AQI
56AQI
60AQI
58AQI
52AQI
50AQI
48AQI
51AQI
53AQI
53AQI
69AQI
60AQI
90AQI
77AQI
60AQI
56AQI
56AQI
53AQI
No. of days
202566AQI
Highest AQI recorded in
March90AQI
Lowest AQI recorded in
August53AQI
202465AQI
Highest AQI recorded in
April88AQI
Lowest AQI recorded in
September38AQI
202364AQI
Highest AQI recorded in
February92AQI
Lowest AQI recorded in
August28AQI
202268AQI
Highest AQI recorded in
November78AQI
Lowest AQI recorded in
September57AQI
Most & Least Polluted Years Over the Last 4 Years
Gyeongnyeolbiyeoldo's annual 2025 AQI (66) shows an average percentage change of 1.02% (worsened AQI) compared to previous years: 2022 (68), 2023 (64), 2024 (65).