Namyang Dong, Hwasu Dong, Gyeonggi, South Korea Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Namyang Dong, Hwasu Dong, Gyeonggi, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (17th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 40 of Good air quality, showing improvement over 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 18th Sep - 19th Sep 2025
Namyang Dong, Hwasu Dong, Gyeonggi, South Korea
6 AM18th Sep 2025
6 PM
5 AM19th Sep 2025
AQI
AQI
45AQI
13AQI
In the last 24 hours,
Namyang Dong's AQI reached its highest point of 45 at 1 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 18th Sep and 19th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Namyang Dong, Hwasu Dong, Gyeonggi, South Korea
27°C23/32°C
28°C25/33°C
28°C25/32°C
28°C24/33°C
29°C25/33°C
29°C25/34°C
26°C24/30°C
26°C22/32°C
27°C24/31°C
27°C24/32°C
27°C24/32°C
27°C23/33°C
25°C22/28°C
25°C22/30°C
26°C22/31°C
24°C22/28°C
27°C22/32°C
27°C24/31°C
25°C23/29°C
24°C21/29°C
24°C21/28°C
25°C21/31°C
26°C21/31°C
23°C20/27°C
22°C20/25°C
24°C21/28°C
25°C21/30°C
24°C22/28°C
22°C20/25°C
--°C/°C
--°C/°C
48AQI
41AQI
48AQI
44AQI
2025 Days Vs Air Quality
Namyang Dong, Hwasu Dong, Gyeonggi, South Korea
28%
72
66%
171
7%
17
Total number of days with different AQI categories in last 261 days in 2025 (104 days remaining)
Under WHO’s Safe Air Quality Limits: 28%
Health Risk Level:
Very high
In 2025, 28% of 261 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
Namyang Dong, Hwasu Dong, Gyeonggi, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
76AQI
63AQI
62AQI
62AQI
68AQI
92AQI
53AQI
66AQI
41AQI
54AQI
57AQI
78AQI
89AQI
104AQI
53AQI
79AQI
78AQI
83AQI
82AQI
131AQI
135AQI
147AQI
112AQI
112AQI
69AQI
59AQI
65AQI
55AQI
57AQI
50AQI
71AQI
75AQI
93AQI
51AQI
51AQI
42AQI
55AQI
41AQI
39AQI
43AQI
53AQI
69AQI
74AQI
50AQI
91AQI
56AQI
112AQI
46AQI
60AQI
44AQI
54AQI
51AQI
56AQI
51AQI
54AQI
52AQI
65AQI
59AQI
86AQI
102AQI
79AQI
57AQI
48AQI
37AQI
78AQI
91AQI
88AQI
105AQI
115AQI
109AQI
105AQI
97AQI
79AQI
61AQI
74AQI
64AQI
75AQI
81AQI
93AQI
102AQI
110AQI
117AQI
116AQI
134AQI
97AQI
95AQI
60AQI
49AQI
42AQI
62AQI
76AQI
87AQI
89AQI
87AQI
81AQI
70AQI
76AQI
80AQI
75AQI
80AQI
94AQI
68AQI
65AQI
47AQI
61AQI
62AQI
69AQI
77AQI
49AQI
66AQI
57AQI
49AQI
34AQI
68AQI
59AQI
55AQI
41AQI
59AQI
68AQI
60AQI
60AQI
48AQI
48AQI
46AQI
55AQI
42AQI
54AQI
64AQI
51AQI
64AQI
73AQI
74AQI
74AQI
72AQI
64AQI
58AQI
51AQI
57AQI
60AQI
37AQI
51AQI
53AQI
65AQI
50AQI
49AQI
68AQI
85AQI
91AQI
82AQI
90AQI
93AQI
92AQI
97AQI
75AQI
59AQI
58AQI
58AQI
67AQI
57AQI
62AQI
51AQI
55AQI
68AQI
79AQI
64AQI
60AQI
63AQI
64AQI
67AQI
66AQI
49AQI
60AQI
68AQI
74AQI
64AQI
52AQI
58AQI
69AQI
64AQI
51AQI
47AQI
45AQI
45AQI
54AQI
53AQI
50AQI
53AQI
65AQI
71AQI
58AQI
53AQI
51AQI
51AQI
64AQI
57AQI
45AQI
54AQI
41AQI
46AQI
35AQI
40AQI
40AQI
40AQI
46AQI
52AQI
64AQI
58AQI
49AQI
62AQI
70AQI
72AQI
66AQI
59AQI
62AQI
61AQI
50AQI
52AQI
48AQI
48AQI
54AQI
53AQI
55AQI
57AQI
49AQI
42AQI
39AQI
39AQI
38AQI
41AQI
51AQI
47AQI
48AQI
49AQI
48AQI
50AQI
51AQI
47AQI
43AQI
50AQI
52AQI
45AQI
42AQI
47AQI
39AQI
47AQI
51AQI
39AQI
45AQI
39AQI
43AQI
49AQI
52AQI
51AQI
51AQI
48AQI
40AQI
42AQI
49AQI
45AQI
40AQI
78AQI
60AQI
85AQI
67AQI
62AQI
64AQI
53AQI
49AQI
45AQI
No. of days
202563AQI
Highest AQI recorded in
March85AQI
Lowest AQI recorded in
September45AQI
202462AQI
Highest AQI recorded in
March79AQI
Lowest AQI recorded in
July41AQI
202368AQI
Highest AQI recorded in
March95AQI
Lowest AQI recorded in
August50AQI
202267AQI
Highest AQI recorded in
February85AQI
Lowest AQI recorded in
August26AQI
202167AQI
Highest AQI recorded in
March97AQI
Lowest AQI recorded in
September38AQI
202062AQI
Highest AQI recorded in
December83AQI
Lowest AQI recorded in
September44AQI
Most & Least Polluted Years Over the Last 6 Years
Namyang Dong's annual 2025 AQI (63) shows an average percentage change of -2.7% (improved AQI) compared to previous years: 2020 (62), 2021 (67), 2022 (67), 2023 (68), 2024 (62).