Asan, Chungnam, 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
Asan, Chungnam, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (9th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 24 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 9th Aug - 10th Aug 2026
Asan, Chungnam, South Korea
5 AM9th Aug 2026
7 PM
4 AM10th Aug 2026
29AQI
20AQI
25AQI
21AQI
In the last 24 hours,
Asan's AQI reached its highest point of 29 at 2 PM during the Day, while the lowest point, 20, was recorded at 7 PM during the Day between 9th Aug and 10th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Asan, Chungnam, South Korea
28°C22/35°C
28°C23/34°C
27°C23/33°C
26°C23/30°C
25°C20/31°C
25°C23/29°C
25°C24/27°C
24°C23/27°C
25°C21/30°C
25°C23/28°C
27°C24/31°C
26°C23/30°C
27°C22/32°C
27°C23/31°C
27°C23/32°C
27°C24/33°C
27°C23/32°C
27°C23/32°C
26°C22/32°C
27°C21/33°C
28°C24/33°C
28°C23/35°C
28°C22/36°C
29°C24/36°C
29°C24/36°C
29°C24/36°C
29°C23/37°C
29°C24/36°C
27°C24/31°C
26°C24/31°C
43AQI
33AQI
36AQI
36AQI
2026 Days Vs Air Quality
Asan, Chungnam, South Korea
56%
123
38%
83
6%
12
Total number of days with different AQI categories in last 222 days in 2026 (143 days remaining)
Under WHO’s Safe Air Quality Limits: 56%
Health Risk Level:
Considerable
In 2026, 56% of 222 days were within WHO’s safe air quality limits, and 44% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Asan, Chungnam, South Korea
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
29AQI (US)
34AQI (US)
48AQI (US)
69AQI (US)
53AQI (US)
49AQI (US)
56AQI (US)
23AQI (US)
38AQI (US)
53AQI (US)
27AQI (US)
52AQI (US)
57AQI (US)
29AQI (US)
93AQI (US)
122AQI (US)
111AQI (US)
99AQI (US)
60AQI (US)
29AQI (US)
35AQI (US)
31AQI (US)
53AQI (US)
50AQI (US)
30AQI (US)
44AQI (US)
52AQI (US)
37AQI (US)
51AQI (US)
43AQI (US)
61AQI (US)
83AQI (US)
64AQI (US)
65AQI (US)
96AQI (US)
109AQI (US)
61AQI (US)
35AQI (US)
37AQI (US)
41AQI (US)
71AQI (US)
102AQI (US)
115AQI (US)
123AQI (US)
126AQI (US)
88AQI (US)
39AQI (US)
47AQI (US)
47AQI (US)
32AQI (US)
64AQI (US)
93AQI (US)
53AQI (US)
25AQI (US)
36AQI (US)
48AQI (US)
24AQI (US)
37AQI (US)
48AQI (US)
39AQI (US)
22AQI (US)
40AQI (US)
58AQI (US)
68AQI (US)
51AQI (US)
45AQI (US)
50AQI (US)
91AQI (US)
97AQI (US)
80AQI (US)
104AQI (US)
52AQI (US)
52AQI (US)
90AQI (US)
104AQI (US)
107AQI (US)
100AQI (US)
54AQI (US)
46AQI (US)
81AQI (US)
79AQI (US)
73AQI (US)
100AQI (US)
75AQI (US)
85AQI (US)
103AQI (US)
78AQI (US)
71AQI (US)
71AQI (US)
45AQI (US)
67AQI (US)
73AQI (US)
106AQI (US)
34AQI (US)
61AQI (US)
48AQI (US)
22AQI (US)
33AQI (US)
50AQI (US)
42AQI (US)
67AQI (US)
59AQI (US)
46AQI (US)
56AQI (US)
57AQI (US)
49AQI (US)
50AQI (US)
62AQI (US)
71AQI (US)
65AQI (US)
49AQI (US)
33AQI (US)
51AQI (US)
49AQI (US)
50AQI (US)
38AQI (US)
46AQI (US)
48AQI (US)
46AQI (US)
89AQI (US)
50AQI (US)
29AQI (US)
44AQI (US)
32AQI (US)
44AQI (US)
35AQI (US)
40AQI (US)
40AQI (US)
25AQI (US)
59AQI (US)
56AQI (US)
53AQI (US)
77AQI (US)
65AQI (US)
56AQI (US)
53AQI (US)
63AQI (US)
67AQI (US)
77AQI (US)
72AQI (US)
70AQI (US)
65AQI (US)
47AQI (US)
26AQI (US)
27AQI (US)
53AQI (US)
44AQI (US)
49AQI (US)
56AQI (US)
65AQI (US)
61AQI (US)
74AQI (US)
25AQI (US)
30AQI (US)
38AQI (US)
49AQI (US)
39AQI (US)
36AQI (US)
38AQI (US)
43AQI (US)
48AQI (US)
46AQI (US)
46AQI (US)
55AQI (US)
61AQI (US)
53AQI (US)
62AQI (US)
16AQI (US)
17AQI (US)
32AQI (US)
28AQI (US)
16AQI (US)
26AQI (US)
34AQI (US)
53AQI (US)
54AQI (US)
49AQI (US)
57AQI (US)
49AQI (US)
38AQI (US)
30AQI (US)
48AQI (US)
31AQI (US)
32AQI (US)
31AQI (US)
23AQI (US)
21AQI (US)
28AQI (US)
36AQI (US)
40AQI (US)
32AQI (US)
27AQI (US)
31AQI (US)
55AQI (US)
50AQI (US)
35AQI (US)
30AQI (US)
32AQI (US)
32AQI (US)
37AQI (US)
42AQI (US)
36AQI (US)
27AQI (US)
27AQI (US)
28AQI (US)
38AQI (US)
29AQI (US)
28AQI (US)
38AQI (US)
59AQI (US)
44AQI (US)
47AQI (US)
64AQI (US)
36AQI (US)
36AQI (US)
42AQI (US)
36AQI (US)
24AQI (US)
52AQI (US)
65AQI (US)
71AQI (US)
53AQI (US)
52AQI (US)
44AQI (US)
34AQI (US)
43AQI (US)
No. of days
202652AQI (US)
Highest AQI (US) recorded in
March71AQI (US)
Lowest AQI (US) recorded in
July34AQI (US)
202558AQI (US)
Highest AQI (US) recorded in
March79AQI (US)
Lowest AQI (US) recorded in
September40AQI (US)
202457AQI (US)
Highest AQI (US) recorded in
February73AQI (US)
Lowest AQI (US) recorded in
July36AQI (US)
202368AQI (US)
Highest AQI (US) recorded in
February100AQI (US)
Lowest AQI (US) recorded in
September48AQI (US)
202267AQI (US)
Highest AQI (US) recorded in
February86AQI (US)
Lowest AQI (US) recorded in
August43AQI (US)
202169AQI (US)
Highest AQI (US) recorded in
March99AQI (US)
Lowest AQI (US) recorded in
September38AQI (US)
202064AQI (US)
Highest AQI (US) recorded in
December82AQI (US)
Lowest AQI (US) recorded in
July46AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Asan's annual 2026 AQI (US) (52) shows an average percentage change of -18.07% (improved AQI (US)) compared to previous years: 2020 (64), 2021 (69), 2022 (67), 2023 (68), 2024 (57), 2025 (58).