Nowon Gu, Guri, 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
Nowon Gu, Guri, Gyeonggi, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 51 of Moderate air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Nowon Gu, Guri, Gyeonggi, South Korea
5 AM4th Aug 2025
7 PM
4 AM5th Aug 2025
59AQI
37AQI
58AQI
54AQI
In the last 24 hours,
Nowon Gu's AQI reached its highest point of 59 at 7 AM during the Day, while the lowest point, 37, was recorded at 2 PM during the Day between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Nowon Gu, Guri, Gyeonggi, South Korea
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
31°C27/36°C
28°C25/31°C
28°C23/35°C
--°C/°C
51AQI
50AQI
52AQI
52AQI
2025 Days Vs Air Quality
Nowon Gu, Guri, Gyeonggi, South Korea
19%
42
73%
157
8%
17
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 19%
Health Risk Level:
Extreme
In 2025, 19% of 217 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
Nowon Gu, Guri, Gyeonggi, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
82AQI
60AQI
65AQI
65AQI
75AQI
98AQI
65AQI
76AQI
51AQI
65AQI
72AQI
86AQI
105AQI
111AQI
65AQI
84AQI
90AQI
89AQI
97AQI
135AQI
145AQI
149AQI
121AQI
108AQI
71AQI
57AQI
69AQI
68AQI
70AQI
59AQI
78AQI
84AQI
77AQI
57AQI
57AQI
49AQI
59AQI
58AQI
56AQI
58AQI
64AQI
88AQI
80AQI
60AQI
104AQI
63AQI
120AQI
54AQI
69AQI
53AQI
61AQI
57AQI
64AQI
61AQI
63AQI
62AQI
73AQI
60AQI
92AQI
106AQI
87AQI
58AQI
50AQI
41AQI
76AQI
104AQI
89AQI
102AQI
119AQI
105AQI
96AQI
84AQI
78AQI
62AQI
75AQI
66AQI
67AQI
76AQI
82AQI
94AQI
96AQI
101AQI
113AQI
127AQI
94AQI
93AQI
61AQI
55AQI
49AQI
58AQI
80AQI
77AQI
75AQI
77AQI
58AQI
67AQI
74AQI
77AQI
75AQI
77AQI
86AQI
67AQI
61AQI
49AQI
58AQI
68AQI
73AQI
84AQI
50AQI
58AQI
55AQI
42AQI
39AQI
63AQI
65AQI
58AQI
46AQI
58AQI
69AQI
59AQI
60AQI
50AQI
47AQI
49AQI
49AQI
39AQI
56AQI
60AQI
49AQI
52AQI
75AQI
73AQI
75AQI
75AQI
67AQI
56AQI
44AQI
57AQI
60AQI
43AQI
43AQI
49AQI
59AQI
42AQI
51AQI
64AQI
82AQI
85AQI
79AQI
74AQI
79AQI
86AQI
90AQI
72AQI
54AQI
56AQI
58AQI
70AQI
57AQI
66AQI
49AQI
56AQI
65AQI
76AQI
59AQI
59AQI
69AQI
70AQI
73AQI
68AQI
45AQI
56AQI
63AQI
66AQI
57AQI
44AQI
52AQI
59AQI
65AQI
52AQI
47AQI
42AQI
37AQI
52AQI
54AQI
52AQI
58AQI
72AQI
66AQI
57AQI
48AQI
46AQI
45AQI
63AQI
47AQI
39AQI
49AQI
36AQI
37AQI
33AQI
38AQI
38AQI
41AQI
41AQI
50AQI
57AQI
50AQI
45AQI
61AQI
66AQI
60AQI
59AQI
58AQI
61AQI
61AQI
51AQI
85AQI
68AQI
83AQI
65AQI
59AQI
62AQI
50AQI
58AQI
No. of days
202567AQI
Highest AQI recorded in
January85AQI
Lowest AQI recorded in
July50AQI
202462AQI
Highest AQI recorded in
January81AQI
Lowest AQI recorded in
September40AQI
202370AQI
Highest AQI recorded in
February98AQI
Lowest AQI recorded in
September48AQI
202269AQI
Highest AQI recorded in
February91AQI
Lowest AQI recorded in
August31AQI
202168AQI
Highest AQI recorded in
February88AQI
Lowest AQI recorded in
September37AQI
202064AQI
Highest AQI recorded in
December89AQI
Lowest AQI recorded in
September43AQI
Most & Least Polluted Years Over the Last 6 Years
Nowon Gu's annual 2025 AQI (67) shows an average percentage change of 1.2% (worsened AQI) compared to previous years: 2020 (64), 2021 (68), 2022 (69), 2023 (70), 2024 (62).