Wonsi Dong, Ansan, Gyeonggi, South Korea Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Wonsi Dong, Ansan, Gyeonggi, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (16th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 34 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 16th Aug - 17th Aug 2026
Wonsi Dong, Ansan, Gyeonggi, South Korea
5 AM16th Aug 2026
7 PM
4 AM17th Aug 2026
50AQI
12AQI
36AQI
6AQI
In the last 24 hours,
Wonsi Dong's AQI reached its highest point of 50 at 6 AM during the Day, while the lowest point, 6, was recorded at 4 AM during the Night between 16th Aug and 17th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Wonsi Dong, Ansan, Gyeonggi, South Korea
23°C22/23°C
24°C23/26°C
24°C24/26°C
25°C23/27°C
25°C24/27°C
27°C24/30°C
27°C24/30°C
27°C24/30°C
27°C24/31°C
27°C24/30°C
26°C24/30°C
26°C23/30°C
27°C24/31°C
28°C25/31°C
28°C25/32°C
30°C26/34°C
31°C27/35°C
30°C27/34°C
31°C28/35°C
32°C28/36°C
30°C24/34°C
26°C22/32°C
27°C23/31°C
27°C23/33°C
25°C20/31°C
26°C22/31°C
26°C23/30°C
25°C24/26°C
24°C22/26°C
12°C12/12°C
51AQI
41AQI
47AQI
40AQI
2026 Days Vs Air Quality
Wonsi Dong, Ansan, Gyeonggi, South Korea
44%
100
46%
104
9%
20
0.4%
1
Total number of days with different AQI categories in last 229 days in 2026 (136 days remaining)
Under WHO’s Safe Air Quality Limits: 44%
Health Risk Level:
Significant
In 2026, 44% of 229 days were within WHO’s safe air quality limits, and 56% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Wonsi Dong, Ansan, Gyeonggi, South Korea
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
24AQI (US)
42AQI (US)
60AQI (US)
89AQI (US)
65AQI (US)
76AQI (US)
65AQI (US)
36AQI (US)
55AQI (US)
71AQI (US)
38AQI (US)
53AQI (US)
51AQI (US)
44AQI (US)
87AQI (US)
118AQI (US)
134AQI (US)
100AQI (US)
72AQI (US)
45AQI (US)
41AQI (US)
29AQI (US)
62AQI (US)
53AQI (US)
34AQI (US)
58AQI (US)
70AQI (US)
45AQI (US)
52AQI (US)
67AQI (US)
73AQI (US)
74AQI (US)
79AQI (US)
74AQI (US)
120AQI (US)
128AQI (US)
64AQI (US)
37AQI (US)
52AQI (US)
46AQI (US)
95AQI (US)
115AQI (US)
124AQI (US)
141AQI (US)
138AQI (US)
107AQI (US)
49AQI (US)
53AQI (US)
58AQI (US)
56AQI (US)
85AQI (US)
106AQI (US)
58AQI (US)
41AQI (US)
36AQI (US)
60AQI (US)
66AQI (US)
26AQI (US)
49AQI (US)
43AQI (US)
19AQI (US)
31AQI (US)
67AQI (US)
100AQI (US)
78AQI (US)
55AQI (US)
60AQI (US)
95AQI (US)
95AQI (US)
97AQI (US)
115AQI (US)
54AQI (US)
57AQI (US)
92AQI (US)
136AQI (US)
151AQI (US)
115AQI (US)
45AQI (US)
60AQI (US)
99AQI (US)
94AQI (US)
125AQI (US)
110AQI (US)
101AQI (US)
91AQI (US)
112AQI (US)
85AQI (US)
94AQI (US)
91AQI (US)
66AQI (US)
94AQI (US)
106AQI (US)
118AQI (US)
48AQI (US)
71AQI (US)
50AQI (US)
22AQI (US)
51AQI (US)
38AQI (US)
37AQI (US)
67AQI (US)
61AQI (US)
76AQI (US)
84AQI (US)
131AQI (US)
57AQI (US)
53AQI (US)
65AQI (US)
58AQI (US)
61AQI (US)
48AQI (US)
40AQI (US)
63AQI (US)
67AQI (US)
51AQI (US)
31AQI (US)
43AQI (US)
53AQI (US)
40AQI (US)
97AQI (US)
39AQI (US)
20AQI (US)
42AQI (US)
31AQI (US)
40AQI (US)
37AQI (US)
24AQI (US)
34AQI (US)
36AQI (US)
44AQI (US)
61AQI (US)
83AQI (US)
78AQI (US)
65AQI (US)
56AQI (US)
53AQI (US)
62AQI (US)
67AQI (US)
80AQI (US)
71AQI (US)
70AQI (US)
64AQI (US)
48AQI (US)
30AQI (US)
36AQI (US)
58AQI (US)
60AQI (US)
48AQI (US)
48AQI (US)
65AQI (US)
83AQI (US)
76AQI (US)
17AQI (US)
36AQI (US)
24AQI (US)
43AQI (US)
38AQI (US)
58AQI (US)
47AQI (US)
47AQI (US)
48AQI (US)
51AQI (US)
36AQI (US)
74AQI (US)
81AQI (US)
52AQI (US)
72AQI (US)
16AQI (US)
11AQI (US)
37AQI (US)
46AQI (US)
17AQI (US)
22AQI (US)
35AQI (US)
56AQI (US)
42AQI (US)
49AQI (US)
47AQI (US)
55AQI (US)
47AQI (US)
32AQI (US)
58AQI (US)
28AQI (US)
43AQI (US)
44AQI (US)
29AQI (US)
23AQI (US)
28AQI (US)
30AQI (US)
29AQI (US)
28AQI (US)
42AQI (US)
39AQI (US)
61AQI (US)
76AQI (US)
50AQI (US)
29AQI (US)
27AQI (US)
35AQI (US)
45AQI (US)
75AQI (US)
50AQI (US)
37AQI (US)
29AQI (US)
31AQI (US)
46AQI (US)
21AQI (US)
26AQI (US)
36AQI (US)
82AQI (US)
46AQI (US)
56AQI (US)
83AQI (US)
62AQI (US)
88AQI (US)
92AQI (US)
37AQI (US)
10AQI (US)
23AQI (US)
27AQI (US)
36AQI (US)
32AQI (US)
31AQI (US)
60AQI (US)
34AQI (US)
62AQI (US)
76AQI (US)
85AQI (US)
62AQI (US)
52AQI (US)
46AQI (US)
40AQI (US)
50AQI (US)
No. of days
202660AQI (US)
Highest AQI (US) recorded in
March85AQI (US)
Lowest AQI (US) recorded in
July40AQI (US)
202566AQI (US)
Highest AQI (US) recorded in
March90AQI (US)
Lowest AQI (US) recorded in
September47AQI (US)
202465AQI (US)
Highest AQI (US) recorded in
January85AQI (US)
Lowest AQI (US) recorded in
September44AQI (US)
202376AQI (US)
Highest AQI (US) recorded in
February101AQI (US)
Lowest AQI (US) recorded in
August54AQI (US)
202276AQI (US)
Highest AQI (US) recorded in
January107AQI (US)
Lowest AQI (US) recorded in
August27AQI (US)
202174AQI (US)
Highest AQI (US) recorded in
March104AQI (US)
Lowest AQI (US) recorded in
September51AQI (US)
202059AQI (US)
Highest AQI (US) recorded in
December78AQI (US)
Lowest AQI (US) recorded in
September41AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Wonsi Dong's annual 2026 AQI (US) (60) shows an average percentage change of -12.6% (improved AQI (US)) compared to previous years: 2020 (59), 2021 (74), 2022 (76), 2023 (76), 2024 (65), 2025 (66).