Yanggok, Gyeonggi, South Korea Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Yanggok, Gyeonggi, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (16th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 46 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Sep - 18th Sep 2025
Yanggok, Gyeonggi, South Korea
6 AM17th Sep 2025
6 PM
5 AM18th Sep 2025
AQI
AQI
51AQI
22AQI
In the last 24 hours,
Yanggok's AQI reached its highest point of 51 at 6 AM during the Night, while the lowest point, 22, was recorded at 7 PM during the Night between 17th Sep and 18th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Yanggok, Gyeonggi, South Korea
28°C25/32°C
28°C24/32°C
29°C25/33°C
29°C25/34°C
29°C25/33°C
29°C25/34°C
29°C25/34°C
27°C24/31°C
27°C23/32°C
27°C24/32°C
28°C25/32°C
28°C25/32°C
28°C24/33°C
25°C23/28°C
26°C22/31°C
27°C22/32°C
24°C22/28°C
27°C22/32°C
27°C24/31°C
26°C22/30°C
25°C21/30°C
24°C22/28°C
24°C19/31°C
25°C19/32°C
23°C21/28°C
22°C20/25°C
24°C21/28°C
25°C20/31°C
24°C22/27°C
--°C/°C
--°C/°C
49AQI
43AQI
48AQI
45AQI
2025 Days Vs Air Quality
Yanggok, Gyeonggi, South Korea
30%
77
66%
172
4%
10
Total number of days with different AQI categories in last 260 days in 2025 (105 days remaining)
Under WHO’s Safe Air Quality Limits: 30%
Health Risk Level:
High
In 2025, 30% of 260 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
Yanggok, Gyeonggi, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
76AQI
60AQI
62AQI
62AQI
72AQI
97AQI
62AQI
71AQI
49AQI
63AQI
67AQI
77AQI
99AQI
103AQI
60AQI
74AQI
82AQI
82AQI
93AQI
127AQI
141AQI
142AQI
122AQI
101AQI
67AQI
55AQI
63AQI
63AQI
63AQI
55AQI
73AQI
76AQI
72AQI
55AQI
53AQI
45AQI
56AQI
55AQI
54AQI
55AQI
60AQI
73AQI
78AQI
51AQI
90AQI
58AQI
111AQI
52AQI
62AQI
49AQI
57AQI
54AQI
58AQI
55AQI
58AQI
59AQI
76AQI
57AQI
87AQI
90AQI
75AQI
55AQI
49AQI
39AQI
58AQI
82AQI
77AQI
84AQI
94AQI
91AQI
83AQI
76AQI
69AQI
49AQI
63AQI
59AQI
55AQI
73AQI
80AQI
96AQI
96AQI
106AQI
105AQI
127AQI
88AQI
92AQI
62AQI
52AQI
48AQI
55AQI
75AQI
73AQI
71AQI
72AQI
54AQI
61AQI
68AQI
72AQI
68AQI
70AQI
79AQI
64AQI
58AQI
44AQI
52AQI
63AQI
67AQI
77AQI
52AQI
53AQI
53AQI
43AQI
37AQI
61AQI
68AQI
58AQI
53AQI
57AQI
65AQI
61AQI
55AQI
48AQI
45AQI
48AQI
48AQI
40AQI
55AQI
60AQI
50AQI
45AQI
66AQI
65AQI
70AQI
70AQI
61AQI
54AQI
40AQI
57AQI
58AQI
49AQI
44AQI
52AQI
59AQI
44AQI
50AQI
61AQI
76AQI
83AQI
74AQI
62AQI
67AQI
77AQI
85AQI
71AQI
53AQI
56AQI
57AQI
67AQI
60AQI
67AQI
55AQI
53AQI
57AQI
70AQI
54AQI
60AQI
62AQI
67AQI
69AQI
67AQI
52AQI
55AQI
55AQI
57AQI
51AQI
46AQI
50AQI
57AQI
60AQI
52AQI
48AQI
46AQI
43AQI
49AQI
52AQI
52AQI
56AQI
63AQI
63AQI
56AQI
50AQI
48AQI
47AQI
57AQI
48AQI
44AQI
49AQI
39AQI
39AQI
34AQI
39AQI
38AQI
38AQI
37AQI
47AQI
53AQI
47AQI
42AQI
57AQI
57AQI
55AQI
54AQI
58AQI
63AQI
62AQI
50AQI
53AQI
46AQI
47AQI
56AQI
52AQI
48AQI
55AQI
49AQI
42AQI
43AQI
43AQI
40AQI
44AQI
52AQI
46AQI
47AQI
47AQI
48AQI
49AQI
53AQI
51AQI
46AQI
49AQI
52AQI
48AQI
47AQI
52AQI
43AQI
50AQI
50AQI
40AQI
37AQI
42AQI
43AQI
49AQI
54AQI
50AQI
51AQI
49AQI
40AQI
44AQI
45AQI
46AQI
80AQI
63AQI
75AQI
62AQI
57AQI
60AQI
48AQI
50AQI
46AQI
No. of days
202561AQI
Highest AQI recorded in
January80AQI
Lowest AQI recorded in
September46AQI
202459AQI
Highest AQI recorded in
January80AQI
Lowest AQI recorded in
September38AQI
202364AQI
Highest AQI recorded in
March89AQI
Lowest AQI recorded in
September41AQI
202262AQI
Highest AQI recorded in
February84AQI
Lowest AQI recorded in
August29AQI
202162AQI
Highest AQI recorded in
March85AQI
Lowest AQI recorded in
September32AQI
202059AQI
Highest AQI recorded in
December82AQI
Lowest AQI recorded in
September37AQI
Most & Least Polluted Years Over the Last 6 Years
Yanggok's annual 2025 AQI (61) shows an average percentage change of -0.4% (improved AQI) compared to previous years: 2020 (59), 2021 (62), 2022 (62), 2023 (64), 2024 (59).