Thanh pho Song Cong, Thai Nguyen, Vietnam 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
Thanh pho Song Cong, Thai Nguyen, Vietnam
AQI Trends: Highest and Lowest
Same Day Analysis (17th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 52 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Sep - 18th Sep 2025
Thanh pho Song Cong, Thai Nguyen, Vietnam
5 AM17th Sep 2025
6 PM
4 AM18th Sep 2025
59AQI
37AQI
55AQI
43AQI
In the last 24 hours,
Thanh pho Song Cong's AQI reached its highest point of 59 at 8 AM during the Day, while the lowest point, 37, was recorded at 5 PM during the Day between 17th Sep and 18th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Thanh pho Song Cong, Thai Nguyen, Vietnam
24°C23/25°C
26°C23/31°C
27°C25/30°C
26°C24/29°C
28°C24/32°C
27°C24/32°C
25°C23/31°C
24°C23/26°C
25°C23/28°C
27°C23/32°C
26°C23/30°C
26°C23/32°C
26°C23/30°C
27°C23/30°C
28°C24/33°C
28°C24/33°C
28°C23/33°C
28°C24/33°C
28°C24/34°C
29°C24/35°C
30°C26/36°C
26°C24/28°C
26°C24/30°C
27°C24/31°C
27°C24/30°C
27°C24/32°C
27°C24/33°C
27°C23/31°C
27°C23/33°C
27°C24/31°C
--°C/°C
47AQI
36AQI
50AQI
47AQI
2025 Days Vs Air Quality
Thanh pho Song Cong, Thai Nguyen, Vietnam
37%
41
63%
71
Total number of days with different AQI categories in last 261 days in 2025 (104 days remaining)
Under WHO’s Safe Air Quality Limits: 37%
Health Risk Level:
High
In 2025, 37% of 261 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.
Annual Air Quality Insights
Thanh pho Song Cong, Thai Nguyen, Vietnam
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
72AQI
83AQI
84AQI
87AQI
84AQI
80AQI
84AQI
90AQI
85AQI
86AQI
80AQI
83AQI
76AQI
74AQI
78AQI
81AQI
82AQI
77AQI
74AQI
71AQI
57AQI
56AQI
56AQI
50AQI
47AQI
48AQI
53AQI
49AQI
52AQI
55AQI
51AQI
50AQI
52AQI
45AQI
45AQI
53AQI
57AQI
58AQI
57AQI
60AQI
60AQI
62AQI
55AQI
55AQI
55AQI
54AQI
61AQI
63AQI
57AQI
55AQI
59AQI
68AQI
58AQI
57AQI
48AQI
47AQI
48AQI
55AQI
54AQI
55AQI
62AQI
66AQI
65AQI
60AQI
53AQI
53AQI
56AQI
54AQI
54AQI
51AQI
52AQI
54AQI
53AQI
52AQI
53AQI
50AQI
51AQI
54AQI
45AQI
42AQI
39AQI
38AQI
38AQI
41AQI
46AQI
46AQI
44AQI
44AQI
37AQI
36AQI
39AQI
46AQI
44AQI
40AQI
40AQI
42AQI
41AQI
43AQI
59AQI
43AQI
43AQI
49AQI
57AQI
49AQI
52AQI
46AQI
42AQI
42AQI
43AQI
44AQI
48AQI
52AQI
80AQI
68AQI
57AQI
47AQI
47AQI
No. of days
202556AQI
Highest AQI recorded in
May80AQI
Lowest AQI recorded in
August47AQI
Most & Least Polluted Years Over the Last 1 Years
Thanh pho Song Cong's annual 2025 AQI (56) shows an average percentage change of NaN% (improved AQI) compared to previous years: .