Opo Eup, Songnam, 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
Opo Eup, Songnam, Gyeonggi, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (14th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 27 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 14th Aug - 15th Aug 2026
Opo Eup, Songnam, Gyeonggi, South Korea
5 AM14th Aug 2026
7 PM
4 AM15th Aug 2026
29AQI
21AQI
40AQI
21AQI
In the last 24 hours,
Opo Eup's AQI reached its highest point of 40 at 9 PM during the Night, while the lowest point, 21, was recorded at 12 AM during the Night between 14th Aug and 15th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Opo Eup, Songnam, Gyeonggi, South Korea
25°C22/32°C
22°C21/24°C
22°C22/23°C
25°C23/28°C
24°C23/27°C
26°C24/28°C
25°C23/28°C
27°C23/32°C
27°C25/32°C
27°C24/32°C
28°C25/33°C
27°C25/32°C
27°C24/32°C
27°C23/33°C
28°C24/33°C
29°C26/34°C
29°C25/35°C
31°C25/37°C
31°C27/37°C
31°C26/37°C
31°C27/37°C
32°C27/38°C
29°C24/35°C
25°C21/32°C
27°C22/32°C
27°C21/34°C
24°C19/31°C
25°C21/31°C
26°C22/31°C
24°C23/26°C
41AQI
30AQI
33AQI
33AQI
2026 Days Vs Air Quality
Opo Eup, Songnam, Gyeonggi, South Korea
54%
120
38%
85
8%
17
0.4%
1
Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)
Under WHO’s Safe Air Quality Limits: 54%
Health Risk Level:
Considerable
In 2026, 54% of 227 days were within WHO’s safe air quality limits, and 46% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Opo Eup, Songnam, Gyeonggi, South Korea
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
35AQI (US)
44AQI (US)
61AQI (US)
85AQI (US)
60AQI (US)
64AQI (US)
66AQI (US)
32AQI (US)
64AQI (US)
74AQI (US)
33AQI (US)
50AQI (US)
47AQI (US)
37AQI (US)
80AQI (US)
146AQI (US)
127AQI (US)
92AQI (US)
64AQI (US)
40AQI (US)
39AQI (US)
33AQI (US)
52AQI (US)
54AQI (US)
33AQI (US)
65AQI (US)
65AQI (US)
42AQI (US)
51AQI (US)
57AQI (US)
74AQI (US)
74AQI (US)
66AQI (US)
67AQI (US)
140AQI (US)
151AQI (US)
70AQI (US)
45AQI (US)
46AQI (US)
49AQI (US)
98AQI (US)
136AQI (US)
130AQI (US)
125AQI (US)
147AQI (US)
109AQI (US)
48AQI (US)
52AQI (US)
57AQI (US)
52AQI (US)
86AQI (US)
107AQI (US)
59AQI (US)
33AQI (US)
32AQI (US)
47AQI (US)
38AQI (US)
21AQI (US)
37AQI (US)
35AQI (US)
13AQI (US)
52AQI (US)
69AQI (US)
94AQI (US)
74AQI (US)
59AQI (US)
57AQI (US)
89AQI (US)
117AQI (US)
88AQI (US)
98AQI (US)
36AQI (US)
42AQI (US)
89AQI (US)
124AQI (US)
117AQI (US)
115AQI (US)
60AQI (US)
63AQI (US)
92AQI (US)
76AQI (US)
80AQI (US)
99AQI (US)
71AQI (US)
116AQI (US)
136AQI (US)
117AQI (US)
86AQI (US)
87AQI (US)
40AQI (US)
36AQI (US)
90AQI (US)
111AQI (US)
50AQI (US)
73AQI (US)
49AQI (US)
26AQI (US)
51AQI (US)
45AQI (US)
34AQI (US)
66AQI (US)
73AQI (US)
56AQI (US)
62AQI (US)
89AQI (US)
40AQI (US)
52AQI (US)
64AQI (US)
59AQI (US)
63AQI (US)
44AQI (US)
36AQI (US)
51AQI (US)
37AQI (US)
46AQI (US)
36AQI (US)
39AQI (US)
43AQI (US)
40AQI (US)
98AQI (US)
35AQI (US)
27AQI (US)
38AQI (US)
36AQI (US)
44AQI (US)
26AQI (US)
37AQI (US)
40AQI (US)
35AQI (US)
32AQI (US)
37AQI (US)
57AQI (US)
77AQI (US)
65AQI (US)
55AQI (US)
53AQI (US)
63AQI (US)
67AQI (US)
75AQI (US)
71AQI (US)
71AQI (US)
65AQI (US)
48AQI (US)
30AQI (US)
21AQI (US)
43AQI (US)
46AQI (US)
46AQI (US)
39AQI (US)
61AQI (US)
59AQI (US)
61AQI (US)
18AQI (US)
27AQI (US)
22AQI (US)
24AQI (US)
26AQI (US)
41AQI (US)
53AQI (US)
42AQI (US)
35AQI (US)
54AQI (US)
35AQI (US)
57AQI (US)
59AQI (US)
53AQI (US)
53AQI (US)
12AQI (US)
20AQI (US)
21AQI (US)
24AQI (US)
13AQI (US)
24AQI (US)
28AQI (US)
38AQI (US)
60AQI (US)
47AQI (US)
44AQI (US)
39AQI (US)
36AQI (US)
31AQI (US)
41AQI (US)
27AQI (US)
28AQI (US)
32AQI (US)
24AQI (US)
19AQI (US)
28AQI (US)
35AQI (US)
35AQI (US)
26AQI (US)
19AQI (US)
23AQI (US)
59AQI (US)
57AQI (US)
28AQI (US)
28AQI (US)
34AQI (US)
29AQI (US)
33AQI (US)
43AQI (US)
41AQI (US)
30AQI (US)
25AQI (US)
34AQI (US)
45AQI (US)
24AQI (US)
24AQI (US)
43AQI (US)
60AQI (US)
47AQI (US)
38AQI (US)
51AQI (US)
27AQI (US)
34AQI (US)
43AQI (US)
32AQI (US)
27AQI (US)
22AQI (US)
27AQI (US)
26AQI (US)
27AQI (US)
27AQI (US)
60AQI (US)
76AQI (US)
80AQI (US)
54AQI (US)
49AQI (US)
38AQI (US)
33AQI (US)
35AQI (US)
No. of days
202654AQI (US)
Highest AQI (US) recorded in
March80AQI (US)
Lowest AQI (US) recorded in
July33AQI (US)
202561AQI (US)
Highest AQI (US) recorded in
March84AQI (US)
Lowest AQI (US) recorded in
September40AQI (US)
202460AQI (US)
Highest AQI (US) recorded in
January80AQI (US)
Lowest AQI (US) recorded in
September39AQI (US)
202367AQI (US)
Highest AQI (US) recorded in
February95AQI (US)
Lowest AQI (US) recorded in
September44AQI (US)
202268AQI (US)
Highest AQI (US) recorded in
February95AQI (US)
Lowest AQI (US) recorded in
August19AQI (US)
202167AQI (US)
Highest AQI (US) recorded in
March96AQI (US)
Lowest AQI (US) recorded in
September35AQI (US)
202062AQI (US)
Highest AQI (US) recorded in
December91AQI (US)
Lowest AQI (US) recorded in
September44AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Opo Eup's annual 2026 AQI (US) (54) shows an average percentage change of -15.6% (improved AQI (US)) compared to previous years: 2020 (62), 2021 (67), 2022 (68), 2023 (67), 2024 (60), 2025 (61).