Anseong, Gyeonggi, 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
Anseong, Gyeonggi, 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 43 of Good air quality, showing improvement over 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Oct - 6th Oct 2025
Anseong, Gyeonggi, South Korea
6 AM5th Oct 2025
6 PM
5 AM6th Oct 2025
AQI
AQI
55AQI
25AQI
In the last 24 hours,
Anseong's AQI reached its highest point of 55 at 12 PM during the Night, while the lowest point, 25, was recorded at 3 AM during the Night between 5th Oct and 6th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Anseong, Gyeonggi, South Korea
26°C22/31°C
24°C19/29°C
22°C18/27°C
21°C17/24°C
22°C18/28°C
22°C17/30°C
21°C18/25°C
23°C20/26°C
23°C19/27°C
23°C19/29°C
24°C20/28°C
22°C18/25°C
19°C15/23°C
17°C15/18°C
17°C15/21°C
19°C14/25°C
18°C15/24°C
19°C16/24°C
20°C15/26°C
20°C18/22°C
20°C16/26°C
21°C15/26°C
18°C16/19°C
18°C14/23°C
17°C14/22°C
18°C13/24°C
20°C16/25°C
18°C16/19°C
19°C17/22°C
--°C/°C
--°C/°C
44AQI
41AQI
44AQI
42AQI
2025 Days Vs Air Quality
Anseong, Gyeonggi, South Korea
34%
93
60%
167
6%
17
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 34%
Health Risk Level:
High
In 2025, 34% of 278 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
Anseong, Gyeonggi, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
77AQI
73AQI
63AQI
66AQI
71AQI
99AQI
61AQI
74AQI
41AQI
65AQI
62AQI
88AQI
96AQI
101AQI
60AQI
78AQI
97AQI
98AQI
105AQI
132AQI
148AQI
150AQI
141AQI
125AQI
85AQI
66AQI
65AQI
55AQI
61AQI
59AQI
79AQI
81AQI
87AQI
55AQI
53AQI
47AQI
54AQI
50AQI
49AQI
56AQI
61AQI
83AQI
84AQI
55AQI
90AQI
61AQI
114AQI
53AQI
63AQI
49AQI
58AQI
55AQI
58AQI
55AQI
58AQI
58AQI
79AQI
62AQI
90AQI
111AQI
88AQI
60AQI
49AQI
39AQI
76AQI
92AQI
90AQI
101AQI
110AQI
113AQI
104AQI
95AQI
85AQI
54AQI
71AQI
61AQI
67AQI
79AQI
87AQI
97AQI
103AQI
112AQI
111AQI
128AQI
89AQI
86AQI
65AQI
49AQI
48AQI
59AQI
77AQI
81AQI
82AQI
86AQI
75AQI
71AQI
70AQI
79AQI
68AQI
78AQI
82AQI
65AQI
59AQI
46AQI
55AQI
62AQI
64AQI
77AQI
53AQI
62AQI
49AQI
42AQI
35AQI
59AQI
58AQI
54AQI
41AQI
57AQI
65AQI
58AQI
53AQI
48AQI
48AQI
45AQI
51AQI
43AQI
53AQI
68AQI
48AQI
49AQI
65AQI
70AQI
71AQI
74AQI
57AQI
48AQI
40AQI
56AQI
58AQI
43AQI
48AQI
50AQI
60AQI
44AQI
46AQI
60AQI
75AQI
83AQI
79AQI
65AQI
72AQI
88AQI
97AQI
80AQI
58AQI
58AQI
60AQI
68AQI
61AQI
63AQI
59AQI
52AQI
54AQI
65AQI
50AQI
56AQI
58AQI
62AQI
64AQI
65AQI
53AQI
54AQI
57AQI
59AQI
59AQI
51AQI
54AQI
62AQI
60AQI
52AQI
49AQI
48AQI
45AQI
49AQI
48AQI
47AQI
51AQI
57AQI
62AQI
56AQI
52AQI
52AQI
51AQI
58AQI
56AQI
46AQI
52AQI
43AQI
46AQI
35AQI
41AQI
42AQI
39AQI
48AQI
55AQI
55AQI
45AQI
42AQI
58AQI
60AQI
52AQI
53AQI
57AQI
62AQI
61AQI
49AQI
51AQI
46AQI
48AQI
55AQI
54AQI
51AQI
55AQI
44AQI
40AQI
41AQI
40AQI
39AQI
41AQI
50AQI
44AQI
45AQI
46AQI
47AQI
49AQI
51AQI
49AQI
44AQI
48AQI
52AQI
47AQI
46AQI
50AQI
41AQI
47AQI
48AQI
38AQI
36AQI
39AQI
39AQI
46AQI
50AQI
47AQI
47AQI
45AQI
37AQI
42AQI
48AQI
43AQI
35AQI
29AQI
30AQI
27AQI
24AQI
25AQI
26AQI
32AQI
37AQI
57AQI
52AQI
36AQI
47AQI
59AQI
67AQI
69AQI
61AQI
43AQI
85AQI
65AQI
83AQI
64AQI
57AQI
61AQI
50AQI
48AQI
40AQI
60AQI
No. of days
202562AQI
Highest AQI recorded in
January85AQI
Lowest AQI recorded in
September40AQI
202464AQI
Highest AQI recorded in
January82AQI
Lowest AQI recorded in
July42AQI
202371AQI
Highest AQI recorded in
February102AQI
Lowest AQI recorded in
September48AQI
202273AQI
Highest AQI recorded in
November94AQI
Lowest AQI recorded in
August25AQI
202168AQI
Highest AQI recorded in
March100AQI
Lowest AQI recorded in
September37AQI
202068AQI
Highest AQI recorded in
December93AQI
Lowest AQI recorded in
August46AQI
Most & Least Polluted Years Over the Last 6 Years
Anseong's annual 2025 AQI (62) shows an average percentage change of -10.6% (improved AQI) compared to previous years: 2020 (68), 2021 (68), 2022 (73), 2023 (71), 2024 (64).