Yongdong Myeon, Hosan, Chungnam, South Korea Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Yongdong Myeon, Hosan, Chungnam, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 77 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Yongdong Myeon, Hosan, Chungnam, South Korea
6 AM4th Oct 2025
6 PM
5 AM5th Oct 2025
AQI
AQI
53AQI
17AQI
In the last 24 hours,
Yongdong Myeon's AQI reached its highest point of 53 at 12 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Yongdong Myeon, Hosan, Chungnam, South Korea
26°C22/32°C
26°C23/31°C
25°C21/29°C
22°C19/28°C
20°C19/22°C
23°C19/28°C
23°C18/29°C
22°C21/25°C
24°C21/28°C
24°C21/28°C
24°C20/29°C
24°C21/30°C
23°C20/26°C
21°C18/25°C
19°C18/22°C
19°C17/24°C
20°C16/26°C
20°C17/26°C
20°C18/25°C
22°C17/28°C
22°C21/23°C
22°C17/27°C
22°C18/26°C
20°C18/21°C
20°C16/24°C
18°C15/23°C
19°C15/25°C
20°C17/25°C
18°C17/18°C
--°C/°C
--°C/°C
45AQI
36AQI
45AQI
36AQI
2025 Days Vs Air Quality
Yongdong Myeon, Hosan, Chungnam, South Korea
31%
85
64%
178
5%
13
Total number of days with different AQI categories in last 277 days in 2025 (88 days remaining)
Under WHO’s Safe Air Quality Limits: 31%
Health Risk Level:
High
In 2025, 31% of 277 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.
Annual Air Quality Insights
Yongdong Myeon, Hosan, Chungnam, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
71AQI
70AQI
56AQI
61AQI
60AQI
71AQI
52AQI
64AQI
39AQI
58AQI
62AQI
76AQI
88AQI
83AQI
66AQI
64AQI
79AQI
85AQI
96AQI
113AQI
138AQI
143AQI
122AQI
113AQI
80AQI
61AQI
66AQI
48AQI
50AQI
61AQI
77AQI
86AQI
94AQI
57AQI
51AQI
45AQI
50AQI
45AQI
41AQI
49AQI
59AQI
68AQI
63AQI
48AQI
75AQI
56AQI
107AQI
50AQI
59AQI
44AQI
52AQI
47AQI
57AQI
49AQI
49AQI
54AQI
69AQI
69AQI
68AQI
96AQI
80AQI
56AQI
49AQI
36AQI
70AQI
80AQI
84AQI
99AQI
95AQI
97AQI
97AQI
81AQI
83AQI
52AQI
69AQI
63AQI
76AQI
84AQI
101AQI
110AQI
120AQI
127AQI
118AQI
141AQI
98AQI
91AQI
68AQI
53AQI
52AQI
65AQI
75AQI
84AQI
86AQI
88AQI
73AQI
69AQI
74AQI
77AQI
74AQI
81AQI
91AQI
70AQI
66AQI
49AQI
58AQI
63AQI
70AQI
83AQI
61AQI
71AQI
67AQI
52AQI
59AQI
67AQI
68AQI
58AQI
50AQI
59AQI
67AQI
65AQI
59AQI
57AQI
53AQI
53AQI
51AQI
54AQI
55AQI
65AQI
50AQI
57AQI
72AQI
73AQI
76AQI
80AQI
59AQI
58AQI
52AQI
64AQI
60AQI
45AQI
49AQI
58AQI
61AQI
53AQI
51AQI
71AQI
82AQI
87AQI
86AQI
97AQI
100AQI
100AQI
106AQI
88AQI
72AQI
63AQI
68AQI
73AQI
69AQI
67AQI
63AQI
62AQI
64AQI
70AQI
56AQI
63AQI
68AQI
66AQI
67AQI
63AQI
48AQI
46AQI
36AQI
53AQI
56AQI
49AQI
64AQI
68AQI
65AQI
56AQI
54AQI
54AQI
54AQI
57AQI
54AQI
49AQI
52AQI
57AQI
68AQI
52AQI
48AQI
53AQI
52AQI
65AQI
56AQI
42AQI
54AQI
42AQI
47AQI
35AQI
46AQI
38AQI
40AQI
50AQI
58AQI
58AQI
46AQI
41AQI
57AQI
62AQI
53AQI
55AQI
57AQI
64AQI
62AQI
55AQI
52AQI
52AQI
50AQI
55AQI
59AQI
50AQI
56AQI
46AQI
43AQI
39AQI
37AQI
36AQI
39AQI
51AQI
47AQI
48AQI
51AQI
50AQI
48AQI
48AQI
43AQI
41AQI
50AQI
53AQI
43AQI
42AQI
47AQI
40AQI
45AQI
49AQI
41AQI
42AQI
39AQI
40AQI
48AQI
44AQI
46AQI
46AQI
43AQI
38AQI
41AQI
45AQI
39AQI
36AQI
38AQI
34AQI
28AQI
28AQI
27AQI
28AQI
33AQI
23AQI
50AQI
66AQI
29AQI
44AQI
41AQI
60AQI
77AQI
77AQI
77AQI
59AQI
84AQI
69AQI
64AQI
65AQI
51AQI
49AQI
40AQI
71AQI
No. of days
202562AQI
Highest AQI recorded in
March84AQI
Lowest AQI recorded in
September40AQI
202464AQI
Highest AQI recorded in
April80AQI
Lowest AQI recorded in
July40AQI
202374AQI
Highest AQI recorded in
February107AQI
Lowest AQI recorded in
July49AQI
202272AQI
Highest AQI recorded in
February91AQI
Lowest AQI recorded in
September51AQI
202170AQI
Highest AQI recorded in
March103AQI
Lowest AQI recorded in
September42AQI
202066AQI
Highest AQI recorded in
December94AQI
Lowest AQI recorded in
July46AQI
Most & Least Polluted Years Over the Last 6 Years
Yongdong Myeon's annual 2025 AQI (62) shows an average percentage change of -10.1% (improved AQI) compared to previous years: 2020 (66), 2021 (70), 2022 (72), 2023 (74), 2024 (64).