Anjung, Pyeongtaek, 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
Anjung, Pyeongtaek, 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 46 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: 17th Sep - 18th Sep 2025
Anjung, Pyeongtaek, Gyeonggi, South Korea
6 AM17th Sep 2025
6 PM
5 AM18th Sep 2025
AQI
AQI
57AQI
17AQI
In the last 24 hours,
Anjung's AQI reached its highest point of 57 at 11 AM during the Night, while the lowest point, 17, was recorded at 4 PM during the Night between 17th Sep and 18th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Anjung, Pyeongtaek, Gyeonggi, South Korea
26°C24/30°C
27°C23/31°C
27°C24/31°C
27°C24/32°C
27°C23/31°C
28°C24/32°C
27°C24/32°C
26°C23/28°C
25°C21/30°C
25°C21/30°C
27°C24/31°C
27°C24/31°C
27°C23/32°C
25°C23/29°C
24°C21/28°C
25°C20/31°C
23°C22/26°C
26°C21/31°C
26°C23/30°C
24°C21/28°C
23°C19/27°C
22°C20/25°C
23°C19/29°C
23°C19/29°C
22°C20/24°C
23°C20/25°C
23°C21/27°C
24°C20/29°C
24°C21/29°C
--°C/°C
--°C/°C
47AQI
43AQI
47AQI
44AQI
2025 Days Vs Air Quality
Anjung, Pyeongtaek, Gyeonggi, South Korea
25%
65
67%
174
8%
20
0.3%
1
Total number of days with different AQI categories in last 260 days in 2025 (105 days remaining)
Under WHO’s Safe Air Quality Limits: 25%
Health Risk Level:
Very high
In 2025, 25% of 260 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
Anjung, Pyeongtaek, Gyeonggi, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
83AQI
67AQI
65AQI
65AQI
66AQI
92AQI
56AQI
65AQI
43AQI
56AQI
58AQI
79AQI
88AQI
101AQI
56AQI
77AQI
78AQI
84AQI
86AQI
131AQI
134AQI
151AQI
123AQI
121AQI
78AQI
65AQI
68AQI
57AQI
58AQI
57AQI
75AQI
80AQI
93AQI
56AQI
52AQI
44AQI
55AQI
46AQI
41AQI
52AQI
56AQI
79AQI
74AQI
55AQI
89AQI
58AQI
118AQI
50AQI
63AQI
46AQI
55AQI
53AQI
57AQI
54AQI
57AQI
56AQI
68AQI
64AQI
85AQI
104AQI
78AQI
57AQI
48AQI
46AQI
78AQI
93AQI
94AQI
112AQI
118AQI
112AQI
108AQI
103AQI
87AQI
64AQI
77AQI
65AQI
76AQI
82AQI
98AQI
101AQI
111AQI
116AQI
116AQI
135AQI
99AQI
94AQI
66AQI
50AQI
50AQI
60AQI
80AQI
87AQI
85AQI
84AQI
81AQI
71AQI
76AQI
83AQI
75AQI
78AQI
94AQI
71AQI
67AQI
47AQI
63AQI
64AQI
72AQI
84AQI
62AQI
72AQI
58AQI
58AQI
46AQI
73AQI
65AQI
62AQI
46AQI
68AQI
72AQI
62AQI
65AQI
55AQI
53AQI
50AQI
54AQI
49AQI
57AQI
66AQI
53AQI
65AQI
75AQI
76AQI
78AQI
77AQI
64AQI
61AQI
52AQI
60AQI
63AQI
43AQI
56AQI
58AQI
67AQI
52AQI
55AQI
73AQI
91AQI
93AQI
89AQI
96AQI
103AQI
104AQI
106AQI
79AQI
65AQI
61AQI
64AQI
74AQI
64AQI
69AQI
64AQI
61AQI
68AQI
78AQI
70AQI
64AQI
69AQI
68AQI
70AQI
70AQI
50AQI
61AQI
69AQI
75AQI
67AQI
51AQI
63AQI
72AQI
70AQI
51AQI
50AQI
49AQI
49AQI
59AQI
57AQI
55AQI
57AQI
67AQI
73AQI
60AQI
54AQI
52AQI
54AQI
69AQI
62AQI
48AQI
56AQI
42AQI
49AQI
39AQI
43AQI
41AQI
45AQI
54AQI
56AQI
69AQI
53AQI
51AQI
68AQI
73AQI
67AQI
64AQI
58AQI
62AQI
59AQI
50AQI
51AQI
47AQI
48AQI
60AQI
60AQI
59AQI
60AQI
46AQI
40AQI
38AQI
38AQI
37AQI
41AQI
51AQI
45AQI
48AQI
46AQI
48AQI
50AQI
50AQI
46AQI
44AQI
48AQI
50AQI
45AQI
41AQI
46AQI
39AQI
46AQI
50AQI
44AQI
43AQI
38AQI
41AQI
47AQI
50AQI
50AQI
51AQI
47AQI
39AQI
40AQI
50AQI
46AQI
46AQI
80AQI
63AQI
87AQI
70AQI
66AQI
68AQI
56AQI
49AQI
45AQI
No. of days
202566AQI
Highest AQI recorded in
March87AQI
Lowest AQI recorded in
September45AQI
202471AQI
Highest AQI recorded in
April87AQI
Lowest AQI recorded in
September50AQI
202380AQI
Highest AQI recorded in
March102AQI
Lowest AQI recorded in
August63AQI
202278AQI
Highest AQI recorded in
November94AQI
Lowest AQI recorded in
August57AQI
202175AQI
Highest AQI recorded in
March100AQI
Lowest AQI recorded in
September44AQI
202065AQI
Highest AQI recorded in
December81AQI
Lowest AQI recorded in
September41AQI
Most & Least Polluted Years Over the Last 6 Years
Anjung's annual 2025 AQI (66) shows an average percentage change of -10.1% (improved AQI) compared to previous years: 2020 (65), 2021 (75), 2022 (78), 2023 (80), 2024 (71).