Vientiane University Of Health Science 2, Vientiane, Viangchan, Laos 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
Vientiane University Of Health Science 2, Vientiane, Viangchan, Laos
AQI Trends: Highest and Lowest
Same Day Analysis (4th August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 57 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Vientiane University Of Health Science 2, Vientiane, Viangchan, Laos
5 AM4th Aug 2025
6 PM
4 AM5th Aug 2025
62AQI
52AQI
58AQI
55AQI
In the last 24 hours,
Vientiane University Of Health Science 2's AQI reached its highest point of 62 at 8 AM during the Day, while the lowest point, 52, was recorded at 3 PM during the Day between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Vientiane University Of Health Science 2, Vientiane, Viangchan, Laos
25°C23/26°C
26°C23/30°C
26°C24/29°C
27°C24/32°C
27°C25/30°C
24°C23/26°C
25°C23/28°C
27°C24/32°C
27°C25/31°C
27°C25/30°C
25°C24/28°C
26°C24/30°C
27°C23/32°C
27°C24/32°C
27°C24/31°C
26°C24/29°C
24°C23/24°C
24°C23/26°C
25°C24/27°C
25°C23/27°C
25°C24/27°C
24°C23/27°C
25°C24/28°C
27°C24/31°C
25°C24/26°C
27°C24/30°C
27°C25/32°C
28°C24/33°C
28°C24/33°C
29°C24/35°C
--°C/°C
53AQI
46AQI
53AQI
49AQI
2025 Days Vs Air Quality
Vientiane University Of Health Science 2, Vientiane, Viangchan, Laos
21%
45
56%
120
21%
46
2%
5
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 21%
Health Risk Level:
Very high
In 2025, 21% of 217 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
Vientiane University Of Health Science 2, Vientiane, Viangchan, Laos
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
89AQI
88AQI
89AQI
102AQI
108AQI
118AQI
128AQI
120AQI
124AQI
92AQI
90AQI
96AQI
108AQI
116AQI
103AQI
92AQI
102AQI
115AQI
112AQI
119AQI
121AQI
128AQI
129AQI
135AQI
133AQI
105AQI
82AQI
87AQI
96AQI
104AQI
114AQI
118AQI
123AQI
112AQI
88AQI
90AQI
106AQI
96AQI
77AQI
81AQI
82AQI
89AQI
108AQI
97AQI
99AQI
100AQI
126AQI
101AQI
103AQI
88AQI
101AQI
87AQI
87AQI
73AQI
67AQI
62AQI
56AQI
67AQI
79AQI
81AQI
83AQI
98AQI
111AQI
112AQI
114AQI
78AQI
79AQI
83AQI
71AQI
88AQI
98AQI
80AQI
84AQI
106AQI
87AQI
82AQI
82AQI
98AQI
100AQI
123AQI
132AQI
149AQI
157AQI
160AQI
157AQI
149AQI
153AQI
151AQI
134AQI
121AQI
109AQI
119AQI
129AQI
129AQI
125AQI
103AQI
99AQI
94AQI
89AQI
82AQI
86AQI
75AQI
65AQI
74AQI
68AQI
70AQI
64AQI
64AQI
64AQI
65AQI
67AQI
74AQI
81AQI
85AQI
88AQI
90AQI
77AQI
76AQI
72AQI
75AQI
76AQI
83AQI
75AQI
90AQI
93AQI
83AQI
93AQI
77AQI
70AQI
76AQI
57AQI
48AQI
66AQI
70AQI
53AQI
49AQI
54AQI
51AQI
53AQI
54AQI
61AQI
57AQI
60AQI
52AQI
51AQI
47AQI
47AQI
51AQI
51AQI
50AQI
45AQI
48AQI
48AQI
49AQI
60AQI
62AQI
64AQI
68AQI
68AQI
60AQI
62AQI
56AQI
51AQI
57AQI
62AQI
47AQI
46AQI
52AQI
49AQI
46AQI
47AQI
48AQI
48AQI
46AQI
47AQI
50AQI
50AQI
48AQI
46AQI
47AQI
47AQI
49AQI
45AQI
48AQI
48AQI
52AQI
47AQI
46AQI
51AQI
53AQI
55AQI
51AQI
53AQI
52AQI
53AQI
52AQI
45AQI
45AQI
41AQI
41AQI
41AQI
43AQI
40AQI
39AQI
42AQI
46AQI
50AQI
47AQI
46AQI
46AQI
49AQI
54AQI
59AQI
56AQI
57AQI
57AQI
108AQI
92AQI
110AQI
85AQI
63AQI
53AQI
47AQI
57AQI
No. of days
202579AQI
Highest AQI recorded in
March110AQI
Lowest AQI recorded in
July47AQI
202462AQI
Highest AQI recorded in
November83AQI
Lowest AQI recorded in
September39AQI
2023118AQI
Highest AQI recorded in
December118AQI
Lowest AQI recorded in
November114AQI
202055AQI
Highest AQI recorded in
October55AQI
Lowest AQI recorded in
October55AQI
Most & Least Polluted Years Over the Last 4 Years
Vientiane University Of Health Science 2's annual 2025 AQI (79) shows an average percentage change of 13.007% (worsened AQI) compared to previous years: 2020 (55), 2023 (118), 2024 (62).