Daesanhang, Tangjin, 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
Daesanhang, Tangjin, Chungnam, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (4th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 44 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: 4th Oct - 5th Oct 2025
Daesanhang, Tangjin, Chungnam, South Korea
6 AM4th Oct 2025
6 PM
5 AM5th Oct 2025
AQI
AQI
59AQI
34AQI
In the last 24 hours,
Daesanhang's AQI reached its highest point of 59 at 2 PM 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
Daesanhang, Tangjin, Chungnam, South Korea
26°C24/28°C
27°C25/29°C
25°C24/26°C
24°C23/25°C
24°C22/25°C
24°C22/26°C
25°C22/28°C
23°C21/24°C
24°C21/26°C
24°C23/25°C
24°C23/27°C
25°C24/27°C
23°C22/25°C
22°C21/24°C
19°C18/20°C
20°C18/23°C
21°C19/23°C
21°C20/24°C
22°C20/24°C
22°C20/23°C
22°C21/23°C
22°C21/23°C
22°C20/25°C
21°C19/21°C
21°C20/21°C
20°C18/21°C
21°C19/22°C
21°C20/23°C
19°C19/20°C
--°C/°C
--°C/°C
48AQI
43AQI
49AQI
42AQI
2025 Days Vs Air Quality
Daesanhang, Tangjin, Chungnam, South Korea
20%
56
72%
200
8%
21
Total number of days with different AQI categories in last 277 days in 2025 (88 days remaining)
Under WHO’s Safe Air Quality Limits: 20%
Health Risk Level:
Very high
In 2025, 20% of 277 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
Daesanhang, Tangjin, Chungnam, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
85AQI
62AQI
66AQI
66AQI
70AQI
93AQI
66AQI
76AQI
58AQI
63AQI
64AQI
79AQI
90AQI
113AQI
65AQI
82AQI
73AQI
80AQI
78AQI
130AQI
118AQI
138AQI
94AQI
125AQI
84AQI
77AQI
78AQI
68AQI
72AQI
62AQI
88AQI
97AQI
104AQI
72AQI
71AQI
61AQI
64AQI
60AQI
61AQI
61AQI
65AQI
88AQI
78AQI
57AQI
80AQI
60AQI
104AQI
51AQI
65AQI
62AQI
66AQI
68AQI
70AQI
67AQI
68AQI
64AQI
76AQI
74AQI
85AQI
115AQI
94AQI
68AQI
60AQI
54AQI
96AQI
99AQI
92AQI
107AQI
122AQI
115AQI
112AQI
96AQI
88AQI
77AQI
83AQI
80AQI
95AQI
87AQI
103AQI
104AQI
121AQI
125AQI
120AQI
130AQI
102AQI
97AQI
74AQI
65AQI
63AQI
77AQI
84AQI
88AQI
105AQI
103AQI
88AQI
82AQI
82AQI
87AQI
85AQI
94AQI
89AQI
78AQI
72AQI
58AQI
71AQI
69AQI
71AQI
70AQI
47AQI
73AQI
75AQI
56AQI
57AQI
72AQI
61AQI
62AQI
55AQI
74AQI
77AQI
69AQI
70AQI
60AQI
59AQI
55AQI
67AQI
58AQI
61AQI
74AQI
59AQI
69AQI
79AQI
80AQI
83AQI
79AQI
63AQI
51AQI
47AQI
61AQI
61AQI
53AQI
42AQI
47AQI
67AQI
57AQI
55AQI
77AQI
80AQI
81AQI
80AQI
85AQI
85AQI
76AQI
88AQI
67AQI
63AQI
59AQI
60AQI
61AQI
52AQI
56AQI
50AQI
60AQI
71AQI
67AQI
70AQI
49AQI
55AQI
58AQI
60AQI
60AQI
54AQI
56AQI
57AQI
58AQI
64AQI
59AQI
56AQI
73AQI
56AQI
51AQI
51AQI
46AQI
51AQI
51AQI
52AQI
50AQI
49AQI
55AQI
67AQI
61AQI
57AQI
56AQI
54AQI
63AQI
56AQI
43AQI
51AQI
43AQI
46AQI
39AQI
46AQI
43AQI
46AQI
51AQI
52AQI
68AQI
66AQI
59AQI
65AQI
65AQI
70AQI
65AQI
63AQI
64AQI
60AQI
54AQI
52AQI
52AQI
48AQI
53AQI
49AQI
54AQI
57AQI
52AQI
46AQI
45AQI
45AQI
41AQI
42AQI
51AQI
46AQI
47AQI
49AQI
50AQI
51AQI
53AQI
48AQI
45AQI
53AQI
52AQI
48AQI
45AQI
50AQI
40AQI
49AQI
53AQI
46AQI
44AQI
39AQI
45AQI
50AQI
52AQI
53AQI
54AQI
53AQI
45AQI
48AQI
52AQI
44AQI
40AQI
40AQI
38AQI
34AQI
34AQI
34AQI
38AQI
33AQI
42AQI
58AQI
64AQI
49AQI
39AQI
47AQI
63AQI
48AQI
60AQI
44AQI
83AQI
71AQI
94AQI
75AQI
66AQI
61AQI
54AQI
50AQI
45AQI
54AQI
No. of days
202567AQI
Highest AQI recorded in
March94AQI
Lowest AQI recorded in
September45AQI
202472AQI
Highest AQI recorded in
April96AQI
Lowest AQI recorded in
July56AQI
202371AQI
Highest AQI recorded in
February101AQI
Lowest AQI recorded in
August48AQI
202274AQI
Highest AQI recorded in
February104AQI
Lowest AQI recorded in
August35AQI
202164AQI
Highest AQI recorded in
April94AQI
Lowest AQI recorded in
September41AQI
Most & Least Polluted Years Over the Last 5 Years
Daesanhang's annual 2025 AQI (67) shows an average percentage change of -4.9% (improved AQI) compared to previous years: 2021 (64), 2022 (74), 2023 (71), 2024 (72).