Tan Thanh, Huu Lung District, Lang Son Province, 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
Tan Thanh, Huu Lung District, Lang Son Province, Vietnam
AQI Trends: Highest and Lowest
Same Day Analysis (16th August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 2nd highest AQI at 69 of Moderate air quality, showing improvement over 2023 on the same day.
Day & Night AQI Trend: 15th Aug - 16th Aug 2026
Tan Thanh, Huu Lung District, Lang Son Province, Vietnam
5 AM15th Aug 2026
6 PM
4 AM16th Aug 2026
105AQI
75AQI
70AQI
53AQI
In the last 24 hours,
Tan Thanh's AQI reached its highest point of 105 at 11 AM during the Day, while the lowest point, 53, was recorded at 11 PM during the Night between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Tan Thanh, Huu Lung District, Lang Son Province, Vietnam
30°C27/35°C
29°C27/33°C
29°C26/33°C
28°C26/33°C
29°C26/34°C
29°C26/34°C
29°C26/33°C
30°C26/34°C
30°C26/36°C
29°C26/34°C
27°C25/31°C
28°C25/33°C
28°C25/33°C
28°C25/32°C
28°C25/31°C
29°C25/32°C
29°C26/33°C
29°C26/33°C
27°C26/29°C
28°C26/32°C
28°C25/31°C
30°C25/36°C
31°C27/37°C
32°C28/37°C
32°C29/37°C
32°C28/37°C
31°C26/38°C
31°C26/38°C
30°C27/34°C
31°C27/36°C
63AQI
51AQI
60AQI
51AQI
2026 Days Vs Air Quality
Tan Thanh, Huu Lung District, Lang Son Province, Vietnam
13%
29
70%
158
15%
33
2%
5
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Under WHO’s Safe Air Quality Limits: 13%
Health Risk Level:
Extreme
In 2026, 13% of 228 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
Tan Thanh, Huu Lung District, Lang Son Province, Vietnam
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
94AQI (US)
64AQI (US)
96AQI (US)
137AQI (US)
85AQI (US)
68AQI (US)
95AQI (US)
110AQI (US)
117AQI (US)
117AQI (US)
137AQI (US)
133AQI (US)
158AQI (US)
146AQI (US)
151AQI (US)
149AQI (US)
118AQI (US)
126AQI (US)
119AQI (US)
93AQI (US)
61AQI (US)
44AQI (US)
64AQI (US)
97AQI (US)
130AQI (US)
145AQI (US)
164AQI (US)
143AQI (US)
151AQI (US)
88AQI (US)
95AQI (US)
80AQI (US)
118AQI (US)
146AQI (US)
152AQI (US)
144AQI (US)
113AQI (US)
75AQI (US)
78AQI (US)
52AQI (US)
85AQI (US)
73AQI (US)
73AQI (US)
83AQI (US)
76AQI (US)
80AQI (US)
69AQI (US)
102AQI (US)
99AQI (US)
113AQI (US)
88AQI (US)
85AQI (US)
55AQI (US)
65AQI (US)
64AQI (US)
78AQI (US)
76AQI (US)
77AQI (US)
59AQI (US)
65AQI (US)
63AQI (US)
51AQI (US)
61AQI (US)
91AQI (US)
137AQI (US)
106AQI (US)
75AQI (US)
66AQI (US)
29AQI (US)
70AQI (US)
108AQI (US)
116AQI (US)
91AQI (US)
82AQI (US)
64AQI (US)
61AQI (US)
65AQI (US)
64AQI (US)
56AQI (US)
73AQI (US)
64AQI (US)
61AQI (US)
74AQI (US)
68AQI (US)
86AQI (US)
69AQI (US)
73AQI (US)
61AQI (US)
86AQI (US)
82AQI (US)
60AQI (US)
89AQI (US)
97AQI (US)
89AQI (US)
101AQI (US)
132AQI (US)
135AQI (US)
103AQI (US)
94AQI (US)
104AQI (US)
124AQI (US)
121AQI (US)
101AQI (US)
90AQI (US)
79AQI (US)
62AQI (US)
84AQI (US)
77AQI (US)
61AQI (US)
57AQI (US)
46AQI (US)
58AQI (US)
85AQI (US)
74AQI (US)
63AQI (US)
49AQI (US)
33AQI (US)
35AQI (US)
65AQI (US)
68AQI (US)
49AQI (US)
48AQI (US)
77AQI (US)
54AQI (US)
49AQI (US)
63AQI (US)
80AQI (US)
92AQI (US)
55AQI (US)
46AQI (US)
68AQI (US)
71AQI (US)
78AQI (US)
75AQI (US)
70AQI (US)
54AQI (US)
64AQI (US)
75AQI (US)
75AQI (US)
65AQI (US)
68AQI (US)
65AQI (US)
55AQI (US)
71AQI (US)
64AQI (US)
72AQI (US)
59AQI (US)
67AQI (US)
67AQI (US)
65AQI (US)
61AQI (US)
85AQI (US)
59AQI (US)
59AQI (US)
55AQI (US)
75AQI (US)
29AQI (US)
57AQI (US)
86AQI (US)
112AQI (US)
57AQI (US)
68AQI (US)
73AQI (US)
59AQI (US)
67AQI (US)
63AQI (US)
52AQI (US)
46AQI (US)
66AQI (US)
50AQI (US)
63AQI (US)
68AQI (US)
63AQI (US)
36AQI (US)
80AQI (US)
74AQI (US)
67AQI (US)
37AQI (US)
50AQI (US)
55AQI (US)
52AQI (US)
37AQI (US)
53AQI (US)
26AQI (US)
56AQI (US)
55AQI (US)
59AQI (US)
44AQI (US)
74AQI (US)
85AQI (US)
80AQI (US)
68AQI (US)
73AQI (US)
67AQI (US)
53AQI (US)
53AQI (US)
44AQI (US)
72AQI (US)
73AQI (US)
54AQI (US)
42AQI (US)
54AQI (US)
75AQI (US)
76AQI (US)
44AQI (US)
36AQI (US)
45AQI (US)
54AQI (US)
44AQI (US)
45AQI (US)
50AQI (US)
51AQI (US)
56AQI (US)
45AQI (US)
53AQI (US)
54AQI (US)
63AQI (US)
65AQI (US)
57AQI (US)
56AQI (US)
83AQI (US)
55AQI (US)
50AQI (US)
79AQI (US)
69AQI (US)
113AQI (US)
88AQI (US)
75AQI (US)
82AQI (US)
65AQI (US)
63AQI (US)
57AQI (US)
58AQI (US)
No. of days
202676AQI (US)
Highest AQI (US) recorded in
January113AQI (US)
Lowest AQI (US) recorded in
July57AQI (US)
202574AQI (US)
Highest AQI (US) recorded in
December131AQI (US)
Lowest AQI (US) recorded in
September42AQI (US)
202462AQI (US)
Highest AQI (US) recorded in
December102AQI (US)
Lowest AQI (US) recorded in
May39AQI (US)
2023130AQI (US)
Highest AQI (US) recorded in
January178AQI (US)
Lowest AQI (US) recorded in
August99AQI (US)
2022147AQI (US)
Highest AQI (US) recorded in
December157AQI (US)
Lowest AQI (US) recorded in
November135AQI (US)
Most & Least Polluted Years Over the Last 5 Years
Tan Thanh's annual 2026 AQI (US) (76) shows an average percentage change of -16.1% (improved AQI (US)) compared to previous years: 2022 (147), 2023 (130), 2024 (62), 2025 (74).