Gojan 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
Gojan 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 31 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 15th Aug - 16th Aug 2026
Gojan Dong, Ansan, Gyeonggi, South Korea
5 AM15th Aug 2026
7 PM
4 AM16th Aug 2026
66AQI
38AQI
48AQI
36AQI
In the last 24 hours,
Gojan Dong's AQI reached its highest point of 66 at 3 PM during the Day, while the lowest point, 36, was recorded at 12 AM during the Night between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Gojan Dong, Ansan, Gyeonggi, South Korea
23°C21/24°C
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
38AQI
30AQI
38AQI
31AQI
2026 Days Vs Air Quality
Gojan Dong, Ansan, Gyeonggi, South Korea
59%
133
34%
76
7%
16
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Under WHO’s Safe Air Quality Limits: 59%
Health Risk Level:
Considerable
In 2026, 59% of 228 days were within WHO’s safe air quality limits, and 41% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Gojan Dong, Ansan, Gyeonggi, South Korea
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
25AQI (US)
38AQI (US)
53AQI (US)
80AQI (US)
52AQI (US)
57AQI (US)
57AQI (US)
27AQI (US)
43AQI (US)
55AQI (US)
32AQI (US)
38AQI (US)
38AQI (US)
31AQI (US)
71AQI (US)
117AQI (US)
120AQI (US)
88AQI (US)
60AQI (US)
38AQI (US)
41AQI (US)
25AQI (US)
52AQI (US)
47AQI (US)
30AQI (US)
50AQI (US)
64AQI (US)
30AQI (US)
44AQI (US)
60AQI (US)
60AQI (US)
64AQI (US)
70AQI (US)
52AQI (US)
110AQI (US)
126AQI (US)
61AQI (US)
33AQI (US)
51AQI (US)
44AQI (US)
89AQI (US)
114AQI (US)
117AQI (US)
130AQI (US)
140AQI (US)
107AQI (US)
48AQI (US)
42AQI (US)
44AQI (US)
40AQI (US)
78AQI (US)
90AQI (US)
46AQI (US)
28AQI (US)
32AQI (US)
53AQI (US)
40AQI (US)
24AQI (US)
36AQI (US)
31AQI (US)
13AQI (US)
17AQI (US)
66AQI (US)
92AQI (US)
64AQI (US)
43AQI (US)
48AQI (US)
88AQI (US)
84AQI (US)
75AQI (US)
98AQI (US)
34AQI (US)
46AQI (US)
87AQI (US)
120AQI (US)
135AQI (US)
101AQI (US)
45AQI (US)
51AQI (US)
82AQI (US)
75AQI (US)
108AQI (US)
96AQI (US)
75AQI (US)
91AQI (US)
117AQI (US)
83AQI (US)
78AQI (US)
74AQI (US)
47AQI (US)
60AQI (US)
83AQI (US)
113AQI (US)
42AQI (US)
67AQI (US)
42AQI (US)
23AQI (US)
46AQI (US)
38AQI (US)
34AQI (US)
59AQI (US)
59AQI (US)
61AQI (US)
71AQI (US)
117AQI (US)
50AQI (US)
39AQI (US)
53AQI (US)
54AQI (US)
66AQI (US)
47AQI (US)
38AQI (US)
56AQI (US)
50AQI (US)
39AQI (US)
29AQI (US)
50AQI (US)
36AQI (US)
40AQI (US)
85AQI (US)
32AQI (US)
22AQI (US)
39AQI (US)
32AQI (US)
40AQI (US)
32AQI (US)
26AQI (US)
28AQI (US)
35AQI (US)
43AQI (US)
59AQI (US)
61AQI (US)
76AQI (US)
64AQI (US)
55AQI (US)
52AQI (US)
63AQI (US)
67AQI (US)
73AQI (US)
72AQI (US)
71AQI (US)
66AQI (US)
49AQI (US)
22AQI (US)
25AQI (US)
53AQI (US)
42AQI (US)
43AQI (US)
47AQI (US)
53AQI (US)
60AQI (US)
59AQI (US)
20AQI (US)
29AQI (US)
21AQI (US)
23AQI (US)
24AQI (US)
40AQI (US)
42AQI (US)
33AQI (US)
32AQI (US)
37AQI (US)
44AQI (US)
65AQI (US)
59AQI (US)
37AQI (US)
55AQI (US)
16AQI (US)
16AQI (US)
24AQI (US)
36AQI (US)
12AQI (US)
25AQI (US)
32AQI (US)
51AQI (US)
35AQI (US)
34AQI (US)
36AQI (US)
48AQI (US)
44AQI (US)
26AQI (US)
44AQI (US)
25AQI (US)
30AQI (US)
38AQI (US)
24AQI (US)
18AQI (US)
28AQI (US)
30AQI (US)
29AQI (US)
29AQI (US)
27AQI (US)
38AQI (US)
54AQI (US)
58AQI (US)
37AQI (US)
22AQI (US)
29AQI (US)
32AQI (US)
31AQI (US)
45AQI (US)
40AQI (US)
29AQI (US)
28AQI (US)
30AQI (US)
41AQI (US)
26AQI (US)
29AQI (US)
35AQI (US)
75AQI (US)
33AQI (US)
37AQI (US)
53AQI (US)
35AQI (US)
38AQI (US)
52AQI (US)
26AQI (US)
20AQI (US)
22AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
23AQI (US)
48AQI (US)
31AQI (US)
52AQI (US)
68AQI (US)
73AQI (US)
54AQI (US)
49AQI (US)
37AQI (US)
34AQI (US)
35AQI (US)
No. of days
202651AQI (US)
Highest AQI (US) recorded in
March73AQI (US)
Lowest AQI (US) recorded in
July34AQI (US)
202559AQI (US)
Highest AQI (US) recorded in
March81AQI (US)
Lowest AQI (US) recorded in
September42AQI (US)
202457AQI (US)
Highest AQI (US) recorded in
January78AQI (US)
Lowest AQI (US) recorded in
July35AQI (US)
202360AQI (US)
Highest AQI (US) recorded in
March86AQI (US)
Lowest AQI (US) recorded in
September42AQI (US)
202262AQI (US)
Highest AQI (US) recorded in
February87AQI (US)
Lowest AQI (US) recorded in
August28AQI (US)
202163AQI (US)
Highest AQI (US) recorded in
March88AQI (US)
Lowest AQI (US) recorded in
September33AQI (US)
202057AQI (US)
Highest AQI (US) recorded in
December74AQI (US)
Lowest AQI (US) recorded in
September39AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Gojan Dong's annual 2026 AQI (US) (51) shows an average percentage change of -14.4% (improved AQI (US)) compared to previous years: 2020 (57), 2021 (63), 2022 (62), 2023 (60), 2024 (57), 2025 (59).