Janghyeon 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
Janghyeon Dong, Ansan, Gyeonggi, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (17th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 25 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 17th Aug - 18th Aug 2026
Janghyeon Dong, Ansan, Gyeonggi, South Korea
5 AM17th Aug 2026
7 PM
4 AM18th Aug 2026
38AQI
8AQI
59AQI
40AQI
In the last 24 hours,
Janghyeon Dong's AQI reached its highest point of 59 at 4 AM during the Night, while the lowest point, 8, was recorded at 3 PM during the Day between 17th Aug and 18th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Janghyeon Dong, Ansan, Gyeonggi, South Korea
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
25°C22/30°C
44AQI
38AQI
44AQI
40AQI
2026 Days Vs Air Quality
Janghyeon Dong, Ansan, Gyeonggi, South Korea
47%
106
44%
99
9%
21
Total number of days with different AQI categories in last 230 days in 2026 (135 days remaining)
Under WHO’s Safe Air Quality Limits: 47%
Health Risk Level:
Significant
In 2026, 47% of 230 days were within WHO’s safe air quality limits, and 53% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Janghyeon Dong, Ansan, Gyeonggi, South Korea
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
22AQI (US)
36AQI (US)
50AQI (US)
75AQI (US)
50AQI (US)
52AQI (US)
57AQI (US)
27AQI (US)
38AQI (US)
59AQI (US)
24AQI (US)
37AQI (US)
38AQI (US)
27AQI (US)
88AQI (US)
130AQI (US)
115AQI (US)
79AQI (US)
58AQI (US)
30AQI (US)
32AQI (US)
24AQI (US)
50AQI (US)
49AQI (US)
21AQI (US)
48AQI (US)
52AQI (US)
34AQI (US)
38AQI (US)
56AQI (US)
52AQI (US)
57AQI (US)
65AQI (US)
49AQI (US)
107AQI (US)
118AQI (US)
67AQI (US)
38AQI (US)
49AQI (US)
44AQI (US)
84AQI (US)
118AQI (US)
109AQI (US)
136AQI (US)
141AQI (US)
110AQI (US)
45AQI (US)
46AQI (US)
44AQI (US)
42AQI (US)
71AQI (US)
91AQI (US)
54AQI (US)
31AQI (US)
37AQI (US)
58AQI (US)
41AQI (US)
27AQI (US)
36AQI (US)
35AQI (US)
13AQI (US)
17AQI (US)
59AQI (US)
98AQI (US)
71AQI (US)
45AQI (US)
51AQI (US)
95AQI (US)
83AQI (US)
82AQI (US)
109AQI (US)
41AQI (US)
55AQI (US)
98AQI (US)
127AQI (US)
143AQI (US)
97AQI (US)
45AQI (US)
57AQI (US)
97AQI (US)
84AQI (US)
104AQI (US)
102AQI (US)
85AQI (US)
98AQI (US)
129AQI (US)
108AQI (US)
104AQI (US)
93AQI (US)
71AQI (US)
79AQI (US)
103AQI (US)
124AQI (US)
60AQI (US)
84AQI (US)
59AQI (US)
26AQI (US)
45AQI (US)
37AQI (US)
44AQI (US)
83AQI (US)
87AQI (US)
74AQI (US)
93AQI (US)
128AQI (US)
56AQI (US)
57AQI (US)
73AQI (US)
67AQI (US)
69AQI (US)
50AQI (US)
37AQI (US)
56AQI (US)
59AQI (US)
53AQI (US)
37AQI (US)
34AQI (US)
52AQI (US)
46AQI (US)
114AQI (US)
56AQI (US)
28AQI (US)
44AQI (US)
32AQI (US)
40AQI (US)
41AQI (US)
30AQI (US)
33AQI (US)
40AQI (US)
43AQI (US)
57AQI (US)
94AQI (US)
77AQI (US)
65AQI (US)
56AQI (US)
53AQI (US)
64AQI (US)
67AQI (US)
75AQI (US)
72AQI (US)
70AQI (US)
65AQI (US)
50AQI (US)
46AQI (US)
50AQI (US)
65AQI (US)
70AQI (US)
51AQI (US)
56AQI (US)
73AQI (US)
89AQI (US)
85AQI (US)
32AQI (US)
48AQI (US)
27AQI (US)
35AQI (US)
26AQI (US)
62AQI (US)
71AQI (US)
61AQI (US)
59AQI (US)
57AQI (US)
62AQI (US)
83AQI (US)
88AQI (US)
63AQI (US)
66AQI (US)
25AQI (US)
22AQI (US)
37AQI (US)
49AQI (US)
22AQI (US)
29AQI (US)
35AQI (US)
70AQI (US)
54AQI (US)
63AQI (US)
54AQI (US)
58AQI (US)
59AQI (US)
49AQI (US)
58AQI (US)
45AQI (US)
53AQI (US)
46AQI (US)
35AQI (US)
24AQI (US)
28AQI (US)
31AQI (US)
30AQI (US)
29AQI (US)
29AQI (US)
40AQI (US)
61AQI (US)
73AQI (US)
52AQI (US)
49AQI (US)
34AQI (US)
32AQI (US)
41AQI (US)
55AQI (US)
50AQI (US)
32AQI (US)
29AQI (US)
30AQI (US)
42AQI (US)
26AQI (US)
25AQI (US)
38AQI (US)
75AQI (US)
40AQI (US)
50AQI (US)
66AQI (US)
51AQI (US)
58AQI (US)
79AQI (US)
38AQI (US)
18AQI (US)
26AQI (US)
27AQI (US)
37AQI (US)
28AQI (US)
29AQI (US)
44AQI (US)
34AQI (US)
25AQI (US)
50AQI (US)
68AQI (US)
81AQI (US)
65AQI (US)
56AQI (US)
53AQI (US)
41AQI (US)
43AQI (US)
No. of days
202658AQI (US)
Highest AQI (US) recorded in
March81AQI (US)
Lowest AQI (US) recorded in
July41AQI (US)
202560AQI (US)
Highest AQI (US) recorded in
March81AQI (US)
Lowest AQI (US) recorded in
September41AQI (US)
202462AQI (US)
Highest AQI (US) recorded in
April77AQI (US)
Lowest AQI (US) recorded in
September43AQI (US)
202369AQI (US)
Highest AQI (US) recorded in
March94AQI (US)
Lowest AQI (US) recorded in
September52AQI (US)
202270AQI (US)
Highest AQI (US) recorded in
February88AQI (US)
Lowest AQI (US) recorded in
August37AQI (US)
202175AQI (US)
Highest AQI (US) recorded in
March108AQI (US)
Lowest AQI (US) recorded in
September50AQI (US)
202066AQI (US)
Highest AQI (US) recorded in
December82AQI (US)
Lowest AQI (US) recorded in
September52AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Janghyeon Dong's annual 2026 AQI (US) (58) shows an average percentage change of -12.9% (improved AQI (US)) compared to previous years: 2020 (66), 2021 (75), 2022 (70), 2023 (69), 2024 (62), 2025 (60).