Bac Giang, Bac Giang, Vietnam 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
Bac Giang, Bac Giang, Vietnam
AQI Trends: Highest and Lowest
Same Day Analysis (19th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 40 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 19th Aug - 20th Aug 2025
Bac Giang, Bac Giang, Vietnam
5 AM19th Aug 2025
6 PM
4 AM20th Aug 2025
48AQI
24AQI
51AQI
35AQI
In the last 24 hours,
Bac Giang's AQI reached its highest point of 51 at 11 PM during the Night, while the lowest point, 24, was recorded at 4 PM during the Day between 19th Aug and 20th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Bac Giang, Bac Giang, Vietnam
26°C25/27°C
27°C26/28°C
28°C25/32°C
28°C25/32°C
28°C25/34°C
29°C25/35°C
30°C26/36°C
31°C27/35°C
31°C27/36°C
31°C28/36°C
31°C29/36°C
28°C26/32°C
30°C26/36°C
32°C28/37°C
31°C28/36°C
29°C25/32°C
28°C25/34°C
29°C26/34°C
29°C26/35°C
30°C26/36°C
30°C26/34°C
30°C26/33°C
30°C26/35°C
30°C26/34°C
31°C27/36°C
26°C25/27°C
26°C24/31°C
28°C24/33°C
27°C25/30°C
25°C24/25°C
--°C/°C
52AQI
43AQI
52AQI
50AQI
2025 Days Vs Air Quality
Bac Giang, Bac Giang, Vietnam
34%
78
52%
120
13%
29
2%
4
Total number of days with different AQI categories in last 232 days in 2025 (133 days remaining)
Under WHO’s Safe Air Quality Limits: 34%
Health Risk Level:
High
In 2025, 34% of 232 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
Bac Giang, Bac Giang, Vietnam
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
139AQI
135AQI
129AQI
144AQI
146AQI
154AQI
140AQI
140AQI
137AQI
93AQI
101AQI
103AQI
118AQI
133AQI
130AQI
135AQI
145AQI
151AQI
156AQI
171AQI
140AQI
134AQI
116AQI
107AQI
87AQI
64AQI
79AQI
82AQI
116AQI
87AQI
86AQI
78AQI
71AQI
54AQI
67AQI
94AQI
76AQI
51AQI
64AQI
83AQI
127AQI
129AQI
138AQI
116AQI
118AQI
120AQI
79AQI
97AQI
66AQI
81AQI
77AQI
86AQI
95AQI
59AQI
70AQI
89AQI
71AQI
109AQI
71AQI
87AQI
72AQI
76AQI
72AQI
77AQI
57AQI
67AQI
80AQI
98AQI
113AQI
84AQI
79AQI
66AQI
62AQI
59AQI
50AQI
71AQI
63AQI
67AQI
79AQI
87AQI
87AQI
78AQI
90AQI
87AQI
75AQI
81AQI
89AQI
62AQI
46AQI
48AQI
65AQI
79AQI
80AQI
111AQI
80AQI
89AQI
84AQI
88AQI
79AQI
79AQI
76AQI
78AQI
86AQI
84AQI
90AQI
86AQI
83AQI
83AQI
76AQI
64AQI
56AQI
61AQI
57AQI
57AQI
46AQI
55AQI
43AQI
39AQI
55AQI
51AQI
44AQI
61AQI
57AQI
63AQI
59AQI
55AQI
52AQI
54AQI
55AQI
54AQI
38AQI
57AQI
54AQI
50AQI
44AQI
48AQI
43AQI
43AQI
45AQI
44AQI
46AQI
44AQI
36AQI
40AQI
44AQI
50AQI
59AQI
60AQI
45AQI
46AQI
45AQI
44AQI
45AQI
42AQI
45AQI
53AQI
41AQI
40AQI
36AQI
46AQI
51AQI
49AQI
44AQI
37AQI
45AQI
49AQI
53AQI
50AQI
47AQI
50AQI
51AQI
44AQI
37AQI
39AQI
40AQI
42AQI
45AQI
45AQI
43AQI
41AQI
43AQI
36AQI
34AQI
40AQI
55AQI
55AQI
56AQI
54AQI
52AQI
53AQI
48AQI
46AQI
45AQI
49AQI
56AQI
52AQI
47AQI
47AQI
53AQI
60AQI
53AQI
49AQI
40AQI
39AQI
39AQI
44AQI
47AQI
49AQI
51AQI
58AQI
56AQI
54AQI
53AQI
52AQI
57AQI
57AQI
55AQI
53AQI
50AQI
49AQI
50AQI
48AQI
50AQI
49AQI
50AQI
54AQI
44AQI
40AQI
39AQI
38AQI
40AQI
123AQI
87AQI
74AQI
72AQI
50AQI
45AQI
49AQI
49AQI
No. of days
202569AQI
Highest AQI recorded in
January123AQI
Lowest AQI recorded in
June45AQI
202464AQI
Highest AQI recorded in
December103AQI
Lowest AQI recorded in
July46AQI
202366AQI
Highest AQI recorded in
November87AQI
Lowest AQI recorded in
February44AQI
202266AQI
Highest AQI recorded in
December100AQI
Lowest AQI recorded in
July22AQI
202159AQI
Highest AQI recorded in
January118AQI
Lowest AQI recorded in
March29AQI
202023AQI
Highest AQI recorded in
November39AQI
Lowest AQI recorded in
September1AQI
Most & Least Polluted Years Over the Last 6 Years
Bac Giang's annual 2025 AQI (69) shows an average percentage change of 47.5% (worsened AQI) compared to previous years: 2020 (23), 2021 (59), 2022 (66), 2023 (66), 2024 (64).