Hanam, 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
Hanam, Gyeonggi, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 57 of Moderate air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Hanam, Gyeonggi, South Korea
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
AQI
AQI
80AQI
55AQI
In the last 24 hours,
Hanam's AQI reached its highest point of 80 at 12 PM during the Night, while the lowest point, 55, was recorded at 1 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hanam, Gyeonggi, South Korea
27°C24/31°C
28°C24/33°C
28°C25/34°C
29°C25/34°C
31°C26/39°C
31°C26/37°C
31°C25/37°C
29°C22/36°C
30°C23/37°C
28°C25/31°C
23°C20/27°C
22°C21/25°C
22°C21/24°C
23°C21/24°C
23°C22/26°C
24°C22/27°C
27°C24/32°C
28°C25/32°C
28°C25/33°C
29°C25/34°C
30°C25/35°C
31°C26/38°C
32°C27/38°C
32°C27/38°C
32°C27/37°C
32°C27/38°C
32°C27/37°C
31°C28/35°C
31°C27/36°C
--°C/°C
--°C/°C
50AQI
50AQI
52AQI
52AQI
2025 Days Vs Air Quality
Hanam, Gyeonggi, South Korea
20%
42
74%
158
6%
13
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 20%
Health Risk Level:
Very high
In 2025, 20% of 214 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Hanam, Gyeonggi, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
74AQI
60AQI
62AQI
63AQI
72AQI
96AQI
60AQI
73AQI
46AQI
63AQI
65AQI
79AQI
92AQI
99AQI
60AQI
77AQI
88AQI
86AQI
94AQI
127AQI
142AQI
142AQI
119AQI
102AQI
67AQI
56AQI
66AQI
63AQI
63AQI
57AQI
72AQI
76AQI
75AQI
53AQI
53AQI
47AQI
57AQI
53AQI
54AQI
55AQI
61AQI
76AQI
74AQI
55AQI
90AQI
60AQI
111AQI
53AQI
65AQI
51AQI
59AQI
56AQI
62AQI
57AQI
61AQI
59AQI
73AQI
60AQI
86AQI
98AQI
76AQI
57AQI
47AQI
40AQI
68AQI
93AQI
84AQI
99AQI
111AQI
104AQI
96AQI
87AQI
77AQI
58AQI
71AQI
65AQI
65AQI
80AQI
86AQI
101AQI
108AQI
113AQI
114AQI
126AQI
89AQI
89AQI
61AQI
52AQI
47AQI
57AQI
77AQI
76AQI
72AQI
77AQI
58AQI
64AQI
69AQI
74AQI
71AQI
75AQI
83AQI
64AQI
60AQI
47AQI
55AQI
63AQI
68AQI
78AQI
50AQI
53AQI
51AQI
43AQI
38AQI
60AQI
65AQI
54AQI
47AQI
56AQI
64AQI
57AQI
56AQI
49AQI
47AQI
49AQI
49AQI
40AQI
55AQI
61AQI
49AQI
51AQI
68AQI
69AQI
71AQI
71AQI
66AQI
56AQI
45AQI
58AQI
60AQI
46AQI
46AQI
49AQI
59AQI
43AQI
48AQI
61AQI
75AQI
83AQI
76AQI
66AQI
71AQI
84AQI
89AQI
73AQI
53AQI
58AQI
57AQI
69AQI
59AQI
67AQI
55AQI
55AQI
60AQI
71AQI
54AQI
59AQI
66AQI
67AQI
71AQI
67AQI
50AQI
55AQI
57AQI
60AQI
53AQI
46AQI
52AQI
59AQI
63AQI
53AQI
48AQI
46AQI
42AQI
55AQI
52AQI
51AQI
56AQI
66AQI
65AQI
56AQI
50AQI
47AQI
46AQI
61AQI
48AQI
42AQI
49AQI
38AQI
40AQI
33AQI
40AQI
40AQI
40AQI
42AQI
51AQI
55AQI
46AQI
43AQI
62AQI
64AQI
59AQI
55AQI
57AQI
80AQI
64AQI
81AQI
62AQI
58AQI
61AQI
50AQI
57AQI
No. of days
202565AQI
Highest AQI recorded in
March81AQI
Lowest AQI recorded in
July50AQI
202461AQI
Highest AQI recorded in
January77AQI
Lowest AQI recorded in
September44AQI
202365AQI
Highest AQI recorded in
February88AQI
Lowest AQI recorded in
September45AQI
202264AQI
Highest AQI recorded in
January84AQI
Lowest AQI recorded in
September43AQI
202164AQI
Highest AQI recorded in
March88AQI
Lowest AQI recorded in
September35AQI
202060AQI
Highest AQI recorded in
December82AQI
Lowest AQI recorded in
September42AQI
Most & Least Polluted Years Over the Last 6 Years
Hanam's annual 2025 AQI (65) shows an average percentage change of 3.7% (worsened AQI) compared to previous years: 2020 (60), 2021 (64), 2022 (64), 2023 (65), 2024 (61).