Mojong Dong, Chonan, 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
Mojong Dong, Chonan, Chungnam, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (6th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 60 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 7th Oct - 8th Oct 2025
Mojong Dong, Chonan, Chungnam, South Korea
6 AM7th Oct 2025
6 PM
5 AM8th Oct 2025
AQI
AQI
84AQI
15AQI
In the last 24 hours,
Mojong Dong's AQI reached its highest point of 84 at 11 PM during the Night, while the lowest point, undefined, was recorded at 7 PM during the Night between 7th Oct and 8th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Mojong Dong, Chonan, Chungnam, South Korea
22°C17/27°C
22°C18/25°C
23°C18/28°C
23°C18/29°C
21°C19/25°C
23°C20/27°C
23°C20/28°C
24°C20/29°C
24°C21/29°C
22°C19/25°C
20°C17/24°C
17°C15/19°C
17°C15/21°C
19°C15/25°C
19°C15/24°C
20°C16/24°C
21°C16/25°C
21°C18/22°C
20°C16/26°C
21°C16/27°C
19°C17/20°C
19°C15/23°C
18°C14/23°C
19°C14/24°C
20°C17/25°C
18°C16/19°C
20°C17/23°C
20°C19/22°C
19°C16/22°C
--°C/°C
--°C/°C
47AQI
43AQI
52AQI
47AQI
2025 Days Vs Air Quality
Mojong Dong, Chonan, Chungnam, South Korea
26%
72
68%
190
6%
17
Total number of days with different AQI categories in last 281 days in 2025 (84 days remaining)
Under WHO’s Safe Air Quality Limits: 26%
Health Risk Level:
Very high
In 2025, 26% of 281 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Mojong Dong, Chonan, Chungnam, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
77AQI
67AQI
62AQI
64AQI
68AQI
89AQI
58AQI
67AQI
43AQI
64AQI
65AQI
85AQI
89AQI
97AQI
59AQI
73AQI
84AQI
84AQI
88AQI
121AQI
135AQI
144AQI
122AQI
124AQI
89AQI
64AQI
70AQI
55AQI
60AQI
60AQI
84AQI
95AQI
106AQI
61AQI
56AQI
49AQI
58AQI
50AQI
49AQI
58AQI
60AQI
84AQI
75AQI
55AQI
86AQI
60AQI
110AQI
55AQI
65AQI
51AQI
58AQI
56AQI
62AQI
57AQI
60AQI
58AQI
79AQI
62AQI
84AQI
99AQI
84AQI
57AQI
47AQI
44AQI
79AQI
92AQI
90AQI
109AQI
111AQI
110AQI
95AQI
102AQI
84AQI
64AQI
77AQI
64AQI
80AQI
83AQI
95AQI
98AQI
107AQI
115AQI
114AQI
131AQI
93AQI
101AQI
65AQI
56AQI
55AQI
64AQI
80AQI
82AQI
86AQI
87AQI
79AQI
72AQI
73AQI
78AQI
69AQI
78AQI
88AQI
69AQI
67AQI
49AQI
60AQI
64AQI
70AQI
86AQI
58AQI
74AQI
59AQI
56AQI
49AQI
68AQI
65AQI
57AQI
42AQI
63AQI
67AQI
60AQI
61AQI
55AQI
55AQI
52AQI
54AQI
52AQI
56AQI
70AQI
55AQI
61AQI
72AQI
72AQI
75AQI
74AQI
60AQI
55AQI
44AQI
60AQI
61AQI
41AQI
51AQI
57AQI
62AQI
54AQI
52AQI
62AQI
79AQI
80AQI
83AQI
82AQI
91AQI
96AQI
101AQI
77AQI
62AQI
59AQI
62AQI
70AQI
65AQI
64AQI
60AQI
52AQI
58AQI
71AQI
55AQI
61AQI
63AQI
64AQI
65AQI
66AQI
54AQI
53AQI
53AQI
58AQI
57AQI
47AQI
52AQI
60AQI
59AQI
50AQI
49AQI
47AQI
47AQI
53AQI
50AQI
49AQI
52AQI
57AQI
61AQI
54AQI
52AQI
53AQI
52AQI
62AQI
59AQI
49AQI
55AQI
42AQI
45AQI
38AQI
43AQI
42AQI
40AQI
47AQI
53AQI
58AQI
49AQI
45AQI
59AQI
63AQI
60AQI
58AQI
57AQI
59AQI
60AQI
51AQI
50AQI
47AQI
49AQI
51AQI
53AQI
51AQI
55AQI
49AQI
42AQI
47AQI
42AQI
40AQI
43AQI
51AQI
48AQI
46AQI
48AQI
47AQI
50AQI
55AQI
50AQI
45AQI
51AQI
54AQI
49AQI
48AQI
50AQI
44AQI
49AQI
50AQI
46AQI
46AQI
41AQI
39AQI
46AQI
53AQI
50AQI
52AQI
48AQI
42AQI
44AQI
48AQI
42AQI
37AQI
38AQI
34AQI
30AQI
28AQI
28AQI
29AQI
29AQI
41AQI
76AQI
67AQI
51AQI
50AQI
59AQI
78AQI
73AQI
67AQI
43AQI
51AQI
60AQI
81AQI
66AQI
86AQI
69AQI
63AQI
62AQI
51AQI
50AQI
45AQI
62AQI
No. of days
202564AQI
Highest AQI recorded in
March86AQI
Lowest AQI recorded in
September45AQI
202467AQI
Highest AQI recorded in
January90AQI
Lowest AQI recorded in
July42AQI
202378AQI
Highest AQI recorded in
February101AQI
Lowest AQI recorded in
September62AQI
202272AQI
Highest AQI recorded in
February94AQI
Lowest AQI recorded in
August33AQI
202174AQI
Highest AQI recorded in
March110AQI
Lowest AQI recorded in
September38AQI
202070AQI
Highest AQI recorded in
December89AQI
Lowest AQI recorded in
September49AQI
Most & Least Polluted Years Over the Last 6 Years
Mojong Dong's annual 2025 AQI (64) shows an average percentage change of -11.8% (improved AQI) compared to previous years: 2020 (70), 2021 (74), 2022 (72), 2023 (78), 2024 (67).