Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

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!

Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

March Air Quality Analysis

Vientiane University Of Health Science 2, Vientiane, Viangchan, Laos

2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
25th Mar 2025
160AQI
Lowest AQI recorded on
10th Mar 2026
38AQI

Same Day Analysis (10th March):
On this day, AQI across the 3 years varied significantly: 2026 ranks 2nd highest AQI at 38 of Good air quality, showing improvement over 2025 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 9th Mar - 10th Mar 2026

Vientiane University Of Health Science 2, Vientiane, Viangchan, Laos

AQI
Day
Night
.

6 AM9th Mar 2026

6 PM

5 AM10th Mar 2026

Day time
Avg. Highest Time
6AM9th Mar

84AQI

Avg. Lowest Time
11AM9th Mar

59AQI

Night time
Avg. Highest Time
8PM9th Mar

89AQI

Avg. Lowest Time
4AM10th Mar

23AQI

In the last 24 hours,

Vientiane University Of Health Science 2's AQI reached its highest point of 89 at 8 PM during the Night, while the lowest point, 23, was recorded at 4 AM during the Night between 9th Mar and 10th Mar 2026.

Day & Night AQI Trend : Feb - Mar 2026

Vientiane University Of Health Science 2, Vientiane, Viangchan, Laos

FebMar
09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th
Day
Night
9th Feb 2026196 AMAQI
9th Feb 2026167 AMAQI
9th Feb 2026198 AMAQI
9th Feb 2026239 AMAQI
9th Feb 20261910 AMAQI
9th Feb 20261911 AMAQI
9th Feb 20261412 PMAQI
9th Feb 2026121 PMAQI
9th Feb 2026122 PMAQI
9th Feb 2026143 PMAQI
9th Feb 2026174 PMAQI
9th Feb 2026215 PMAQI
9th Feb 2026216 PMAQI
9th Feb 2026257 PMAQI
9th Feb 2026428 PMAQI
9th Feb 2026609 PMAQI
9th Feb 20265710 PMAQI
9th Feb 20267011 PMAQI
10th Feb 20267612 AMAQI
10th Feb 2026851 AMAQI
10th Feb 2026922 AMAQI
10th Feb 2026893 AMAQI
10th Feb 2026884 AMAQI
10th Feb 2026965 AMAQI

22°C17/30°C

10th Feb 2026986 AMAQI
10th Feb 2026947 AMAQI
10th Feb 2026848 AMAQI
10th Feb 2026749 AMAQI
10th Feb 20266810 AMAQI
10th Feb 20266011 AMAQI
10th Feb 20265112 PMAQI
10th Feb 2026401 PMAQI
10th Feb 2026362 PMAQI
10th Feb 2026363 PMAQI
10th Feb 2026404 PMAQI
10th Feb 2026425 PMAQI
10th Feb 2026426 PMAQI
10th Feb 2026607 PMAQI
10th Feb 2026718 PMAQI
10th Feb 2026699 PMAQI
10th Feb 20265610 PMAQI
10th Feb 20267611 PMAQI
11th Feb 20268312 AMAQI
11th Feb 2026851 AMAQI
11th Feb 2026832 AMAQI
11th Feb 2026883 AMAQI
11th Feb 2026894 AMAQI
11th Feb 20261025 AMAQI

25°C18/34°C

11th Feb 20261006 AMAQI
11th Feb 2026967 AMAQI
11th Feb 2026858 AMAQI
11th Feb 2026849 AMAQI
11th Feb 20268210 AMAQI
11th Feb 20266811 AMAQI
11th Feb 20266012 PMAQI
11th Feb 2026581 PMAQI
11th Feb 2026582 PMAQI
11th Feb 2026573 PMAQI
11th Feb 2026584 PMAQI
11th Feb 2026575 PMAQI
11th Feb 2026706 PMAQI
11th Feb 2026697 PMAQI
11th Feb 2026748 PMAQI
11th Feb 2026869 PMAQI
11th Feb 20268610 PMAQI
11th Feb 20269811 PMAQI
12th Feb 20269712 AMAQI
12th Feb 2026881 AMAQI
12th Feb 2026852 AMAQI
12th Feb 2026783 AMAQI
12th Feb 2026784 AMAQI
12th Feb 2026765 AMAQI

27°C20/35°C

12th Feb 2026886 AMAQI
12th Feb 2026927 AMAQI
12th Feb 2026998 AMAQI
12th Feb 2026879 AMAQI
12th Feb 20267810 AMAQI
12th Feb 20266211 AMAQI
12th Feb 20265812 PMAQI
12th Feb 2026571 PMAQI
12th Feb 2026572 PMAQI
12th Feb 2026623 PMAQI
12th Feb 2026624 PMAQI
12th Feb 2026625 PMAQI
12th Feb 2026706 PMAQI
12th Feb 2026747 PMAQI
12th Feb 2026828 PMAQI
12th Feb 2026749 PMAQI
12th Feb 20267310 PMAQI
12th Feb 20268311 PMAQI
13th Feb 20268812 AMAQI
13th Feb 2026921 AMAQI
13th Feb 2026962 AMAQI
13th Feb 2026943 AMAQI
13th Feb 2026964 AMAQI
13th Feb 2026885 AMAQI

27°C20/35°C

13th Feb 20261026 AMAQI
13th Feb 20261147 AMAQI
13th Feb 20261068 AMAQI
13th Feb 2026969 AMAQI
13th Feb 20268710 AMAQI
13th Feb 20268511 AMAQI
13th Feb 20267212 PMAQI
13th Feb 2026821 PMAQI
13th Feb 2026672 PMAQI
13th Feb 2026673 PMAQI
13th Feb 2026704 PMAQI
13th Feb 2026715 PMAQI
13th Feb 2026746 PMAQI
13th Feb 2026887 PMAQI
13th Feb 2026948 PMAQI
13th Feb 2026909 PMAQI
13th Feb 20269910 PMAQI
13th Feb 202610811 PMAQI
14th Feb 202611112 AMAQI
14th Feb 20261121 AMAQI
14th Feb 20261122 AMAQI
14th Feb 20261103 AMAQI
14th Feb 20261284 AMAQI
14th Feb 20261105 AMAQI

28°C21/36°C

14th Feb 2026986 AMAQI
14th Feb 2026927 AMAQI
14th Feb 2026928 AMAQI
14th Feb 2026819 AMAQI
14th Feb 20267810 AMAQI
14th Feb 20267811 AMAQI
14th Feb 20267612 PMAQI
14th Feb 2026681 PMAQI
14th Feb 2026692 PMAQI
14th Feb 2026663 PMAQI
14th Feb 2026654 PMAQI
14th Feb 2026635 PMAQI
14th Feb 2026736 PMAQI
14th Feb 2026767 PMAQI
14th Feb 2026998 PMAQI
14th Feb 20261269 PMAQI
14th Feb 202612910 PMAQI
14th Feb 202612111 PMAQI
15th Feb 202613512 AMAQI
15th Feb 20261361 AMAQI
15th Feb 20261322 AMAQI
15th Feb 20261083 AMAQI
15th Feb 2026764 AMAQI
15th Feb 2026675 AMAQI

28°C20/36°C

15th Feb 2026666 AMAQI
15th Feb 2026767 AMAQI
15th Feb 2026858 AMAQI
15th Feb 2026999 AMAQI
15th Feb 20268510 AMAQI
15th Feb 20266511 AMAQI
15th Feb 20267212 PMAQI
15th Feb 2026731 PMAQI
15th Feb 2026682 PMAQI
15th Feb 2026643 PMAQI
15th Feb 2026734 PMAQI
15th Feb 2026685 PMAQI
15th Feb 2026696 PMAQI
15th Feb 2026787 PMAQI
15th Feb 20261038 PMAQI
15th Feb 20261369 PMAQI
15th Feb 202611810 PMAQI
15th Feb 202612811 PMAQI
16th Feb 202613512 AMAQI
16th Feb 20261491 AMAQI
16th Feb 20261482 AMAQI
16th Feb 20261223 AMAQI
16th Feb 20261114 AMAQI
16th Feb 20261145 AMAQI

28°C20/36°C

16th Feb 20261116 AMAQI
16th Feb 20261227 AMAQI
16th Feb 20261208 AMAQI
16th Feb 20261189 AMAQI
16th Feb 202610310 AMAQI
16th Feb 20268011 AMAQI
16th Feb 20267312 PMAQI
16th Feb 2026711 PMAQI
16th Feb 2026662 PMAQI
16th Feb 2026623 PMAQI
16th Feb 2026664 PMAQI
16th Feb 2026675 PMAQI
16th Feb 2026716 PMAQI
16th Feb 2026867 PMAQI
16th Feb 20261008 PMAQI
16th Feb 20261329 PMAQI
16th Feb 202613410 PMAQI
16th Feb 202615211 PMAQI
17th Feb 202613412 AMAQI
17th Feb 20261221 AMAQI
17th Feb 20261162 AMAQI
17th Feb 20261123 AMAQI
17th Feb 20261004 AMAQI
17th Feb 2026855 AMAQI

29°C22/38°C

17th Feb 2026766 AMAQI
17th Feb 2026767 AMAQI
17th Feb 2026818 AMAQI
17th Feb 2026589 AMAQI
17th Feb 20265510 AMAQI
17th Feb 20265411 AMAQI
17th Feb 20266412 PMAQI
17th Feb 2026691 PMAQI
17th Feb 2026622 PMAQI
17th Feb 2026623 PMAQI
17th Feb 2026644 PMAQI
17th Feb 2026655 PMAQI
17th Feb 2026666 PMAQI
17th Feb 2026667 PMAQI
17th Feb 2026758 PMAQI
17th Feb 2026749 PMAQI
17th Feb 20267610 PMAQI
17th Feb 20266211 PMAQI
18th Feb 20265112 AMAQI
18th Feb 2026481 AMAQI
18th Feb 2026422 AMAQI
18th Feb 2026423 AMAQI
18th Feb 2026404 AMAQI
18th Feb 2026465 AMAQI

29°C22/36°C

18th Feb 2026556 AMAQI
18th Feb 2026627 AMAQI
18th Feb 2026628 AMAQI
18th Feb 2026589 AMAQI
18th Feb 20265110 AMAQI
18th Feb 20265211 AMAQI
18th Feb 20264212 PMAQI
18th Feb 2026511 PMAQI
18th Feb 2026442 PMAQI
18th Feb 2026423 PMAQI
18th Feb 2026444 PMAQI
18th Feb 2026445 PMAQI
18th Feb 2026466 PMAQI
18th Feb 2026557 PMAQI
18th Feb 2026598 PMAQI
18th Feb 2026709 PMAQI
18th Feb 20265910 PMAQI
18th Feb 20265111 PMAQI
19th Feb 20264212 AMAQI
19th Feb 2026361 AMAQI
19th Feb 2026312 AMAQI
19th Feb 2026313 AMAQI
19th Feb 2026294 AMAQI
19th Feb 2026295 AMAQI

27°C21/34°C

19th Feb 2026456 AMAQI
19th Feb 2026487 AMAQI
19th Feb 2026488 AMAQI
19th Feb 2026429 AMAQI
19th Feb 20263110 AMAQI
19th Feb 20262511 AMAQI
19th Feb 20261612 PMAQI
19th Feb 2026121 PMAQI
19th Feb 202682 PMAQI
19th Feb 202693 PMAQI
19th Feb 2026134 PMAQI
19th Feb 2026185 PMAQI
19th Feb 2026196 PMAQI
19th Feb 2026327 PMAQI
19th Feb 2026478 PMAQI
19th Feb 2026609 PMAQI
19th Feb 20266810 PMAQI
19th Feb 20263811 PMAQI
20th Feb 20262512 AMAQI
20th Feb 2026241 AMAQI
20th Feb 2026232 AMAQI
20th Feb 2026193 AMAQI
20th Feb 2026184 AMAQI
20th Feb 2026205 AMAQI

27°C20/34°C

20th Feb 2026256 AMAQI
20th Feb 2026257 AMAQI
20th Feb 2026308 AMAQI
20th Feb 2026299 AMAQI
20th Feb 20262810 AMAQI
20th Feb 20262711 AMAQI
20th Feb 20262712 PMAQI
20th Feb 2026311 PMAQI
20th Feb 2026292 PMAQI
20th Feb 2026293 PMAQI
20th Feb 2026294 PMAQI
20th Feb 2026305 PMAQI
20th Feb 2026326 PMAQI
20th Feb 2026547 PMAQI
20th Feb 2026578 PMAQI
20th Feb 2026739 PMAQI
20th Feb 20269510 PMAQI
20th Feb 20268811 PMAQI
21st Feb 202610612 AMAQI
21st Feb 20261001 AMAQI
21st Feb 20261002 AMAQI
21st Feb 2026873 AMAQI
21st Feb 2026824 AMAQI
21st Feb 2026625 AMAQI

26°C20/33°C

21st Feb 2026556 AMAQI
21st Feb 2026547 AMAQI
21st Feb 2026548 AMAQI
21st Feb 2026549 AMAQI
21st Feb 20265610 AMAQI
21st Feb 20265411 AMAQI
21st Feb 20266012 PMAQI
21st Feb 2026901 PMAQI
21st Feb 2026832 PMAQI
21st Feb 2026753 PMAQI
21st Feb 2026804 PMAQI
21st Feb 2026795 PMAQI
21st Feb 2026786 PMAQI
21st Feb 2026827 PMAQI
21st Feb 2026908 PMAQI
21st Feb 2026979 PMAQI
21st Feb 202610010 PMAQI
21st Feb 202610811 PMAQI
22nd Feb 202611212 AMAQI
22nd Feb 20261091 AMAQI
22nd Feb 20261162 AMAQI
22nd Feb 20261153 AMAQI
22nd Feb 20261154 AMAQI
22nd Feb 20261285 AMAQI

28°C20/37°C

22nd Feb 20261286 AMAQI
22nd Feb 20261227 AMAQI
22nd Feb 20261418 AMAQI
22nd Feb 20261389 AMAQI
22nd Feb 202612810 AMAQI
22nd Feb 202614811 AMAQI
22nd Feb 202613212 PMAQI
22nd Feb 20261241 PMAQI
22nd Feb 20261342 PMAQI
22nd Feb 20261383 PMAQI
22nd Feb 20261294 PMAQI
22nd Feb 20261185 PMAQI
22nd Feb 20261266 PMAQI
22nd Feb 20261397 PMAQI
22nd Feb 20261488 PMAQI
22nd Feb 20261409 PMAQI
22nd Feb 202612910 PMAQI
22nd Feb 202614811 PMAQI
23rd Feb 202615112 AMAQI
23rd Feb 20261521 AMAQI
23rd Feb 20261462 AMAQI
23rd Feb 20261423 AMAQI
23rd Feb 20261254 AMAQI
23rd Feb 20261305 AMAQI

29°C23/37°C

23rd Feb 20261256 AMAQI
23rd Feb 20261207 AMAQI
23rd Feb 20261228 AMAQI
23rd Feb 20261349 AMAQI
23rd Feb 202613810 AMAQI
23rd Feb 202613611 AMAQI
23rd Feb 202611812 PMAQI
23rd Feb 20261151 PMAQI
23rd Feb 20261102 PMAQI
23rd Feb 2026993 PMAQI
23rd Feb 20261054 PMAQI
23rd Feb 20261035 PMAQI
23rd Feb 2026996 PMAQI
23rd Feb 2026957 PMAQI
23rd Feb 2026868 PMAQI
23rd Feb 2026789 PMAQI
23rd Feb 20268410 PMAQI
23rd Feb 20268811 PMAQI
24th Feb 20268412 AMAQI
24th Feb 2026921 AMAQI
24th Feb 2026962 AMAQI
24th Feb 20261003 AMAQI
24th Feb 2026974 AMAQI
24th Feb 2026895 AMAQI

28°C22/35°C

24th Feb 2026996 AMAQI
24th Feb 20261117 AMAQI
24th Feb 20261088 AMAQI
24th Feb 20261089 AMAQI
24th Feb 202610410 AMAQI
24th Feb 202611011 AMAQI
24th Feb 202612812 PMAQI
24th Feb 20261221 PMAQI
24th Feb 20261142 PMAQI
24th Feb 20261043 PMAQI
24th Feb 20261034 PMAQI
24th Feb 20261125 PMAQI
24th Feb 20261156 PMAQI
24th Feb 20261287 PMAQI
24th Feb 20261228 PMAQI
24th Feb 2026689 PMAQI
24th Feb 20265210 PMAQI
24th Feb 20265511 PMAQI
25th Feb 20264012 AMAQI
25th Feb 2026381 AMAQI
25th Feb 2026402 AMAQI
25th Feb 2026463 AMAQI
25th Feb 2026464 AMAQI
25th Feb 2026535 AMAQI

27°C25/34°C

25th Feb 2026626 AMAQI
25th Feb 2026787 AMAQI
25th Feb 2026748 AMAQI
25th Feb 2026679 AMAQI
25th Feb 20265610 AMAQI
25th Feb 20264611 AMAQI
25th Feb 20264812 PMAQI
25th Feb 2026501 PMAQI
25th Feb 2026592 PMAQI
25th Feb 2026653 PMAQI
25th Feb 2026654 PMAQI
25th Feb 2026535 PMAQI
25th Feb 2026556 PMAQI
25th Feb 2026747 PMAQI
25th Feb 2026888 PMAQI
25th Feb 2026649 PMAQI
25th Feb 20267010 PMAQI
25th Feb 20266411 PMAQI
26th Feb 20265412 AMAQI
26th Feb 2026481 AMAQI
26th Feb 2026442 AMAQI
26th Feb 2026383 AMAQI
26th Feb 2026354 AMAQI
26th Feb 2026365 AMAQI

27°C22/34°C

26th Feb 2026366 AMAQI
26th Feb 2026427 AMAQI
26th Feb 2026468 AMAQI
26th Feb 2026499 AMAQI
26th Feb 20264610 AMAQI
26th Feb 20264611 AMAQI
26th Feb 20265312 PMAQI
26th Feb 2026481 PMAQI
26th Feb 2026492 PMAQI
26th Feb 2026573 PMAQI
26th Feb 2026574 PMAQI
26th Feb 2026565 PMAQI
26th Feb 2026596 PMAQI
26th Feb 2026607 PMAQI
26th Feb 2026728 PMAQI
26th Feb 2026799 PMAQI
26th Feb 20267810 PMAQI
26th Feb 20268211 PMAQI
27th Feb 20268012 AMAQI
27th Feb 2026711 AMAQI
27th Feb 2026692 AMAQI
27th Feb 2026683 AMAQI
27th Feb 2026664 AMAQI
27th Feb 2026645 AMAQI

26°C22/33°C

27th Feb 2026696 AMAQI
27th Feb 2026697 AMAQI
27th Feb 2026898 AMAQI
27th Feb 2026909 AMAQI
27th Feb 20268410 AMAQI
27th Feb 20267611 AMAQI
27th Feb 20266612 PMAQI
27th Feb 2026671 PMAQI
27th Feb 2026662 PMAQI
27th Feb 2026643 PMAQI
27th Feb 2026644 PMAQI
27th Feb 2026695 PMAQI
27th Feb 2026646 PMAQI
27th Feb 2026667 PMAQI
27th Feb 2026628 PMAQI
27th Feb 2026429 PMAQI
27th Feb 20263210 PMAQI
27th Feb 20262511 PMAQI
28th Feb 20262912 AMAQI
28th Feb 2026291 AMAQI
28th Feb 2026342 AMAQI
28th Feb 2026363 AMAQI
28th Feb 2026504 AMAQI
28th Feb 2026465 AMAQI

26°C21/33°C

28th Feb 2026516 AMAQI
28th Feb 2026667 AMAQI
28th Feb 2026788 AMAQI
28th Feb 2026889 AMAQI
28th Feb 20269810 AMAQI
28th Feb 20268611 AMAQI
28th Feb 20268812 PMAQI
28th Feb 2026881 PMAQI
28th Feb 2026742 PMAQI
28th Feb 2026673 PMAQI
28th Feb 2026624 PMAQI
28th Feb 2026525 PMAQI
28th Feb 2026536 PMAQI
28th Feb 2026597 PMAQI
28th Feb 2026768 PMAQI
28th Feb 2026829 PMAQI
28th Feb 20266510 PMAQI
28th Feb 20267411 PMAQI
1st Mar 20266412 AMAQI
1st Mar 2026741 AMAQI
1st Mar 2026732 AMAQI
1st Mar 2026693 AMAQI
1st Mar 2026624 AMAQI
1st Mar 2026675 AMAQI

28°C23/34°C

1st Mar 2026826 AMAQI
1st Mar 2026887 AMAQI
1st Mar 2026868 AMAQI
1st Mar 2026879 AMAQI
1st Mar 20268810 AMAQI
1st Mar 20268511 AMAQI
1st Mar 20266912 PMAQI
1st Mar 2026741 PMAQI
1st Mar 2026682 PMAQI
1st Mar 2026603 PMAQI
1st Mar 2026644 PMAQI
1st Mar 2026675 PMAQI
1st Mar 2026646 PMAQI
1st Mar 2026827 PMAQI
1st Mar 20261048 PMAQI
1st Mar 20261029 PMAQI
1st Mar 202610910 PMAQI
1st Mar 202611111 PMAQI
2nd Mar 202611212 AMAQI
2nd Mar 20261311 AMAQI
2nd Mar 20261112 AMAQI
2nd Mar 20261123 AMAQI
2nd Mar 20261064 AMAQI
2nd Mar 20261025 AMAQI

30°C24/37°C

2nd Mar 2026886 AMAQI
2nd Mar 2026907 AMAQI
2nd Mar 20261008 AMAQI
2nd Mar 2026909 AMAQI
2nd Mar 20268610 AMAQI
2nd Mar 20267011 AMAQI
2nd Mar 20267612 PMAQI
2nd Mar 2026831 PMAQI
2nd Mar 2026702 PMAQI
2nd Mar 2026663 PMAQI
2nd Mar 2026624 PMAQI
2nd Mar 2026685 PMAQI
2nd Mar 2026706 PMAQI
2nd Mar 2026787 PMAQI
2nd Mar 20261008 PMAQI
2nd Mar 20261109 PMAQI
2nd Mar 202610410 PMAQI
2nd Mar 202610411 PMAQI
3rd Mar 202613212 AMAQI
3rd Mar 20261291 AMAQI
3rd Mar 20261382 AMAQI
3rd Mar 20261253 AMAQI
3rd Mar 2026994 AMAQI
3rd Mar 2026945 AMAQI

30°C24/38°C

3rd Mar 20261026 AMAQI
3rd Mar 20261047 AMAQI
3rd Mar 20261088 AMAQI
3rd Mar 2026909 AMAQI
3rd Mar 20269210 AMAQI
3rd Mar 20268411 AMAQI
3rd Mar 20269512 PMAQI
3rd Mar 2026941 PMAQI
3rd Mar 2026962 PMAQI
3rd Mar 2026983 PMAQI
3rd Mar 20261154 PMAQI
3rd Mar 20261055 PMAQI
3rd Mar 20261026 PMAQI
3rd Mar 20261047 PMAQI
3rd Mar 20261168 PMAQI
3rd Mar 2026889 PMAQI
3rd Mar 20268410 PMAQI
3rd Mar 20268711 PMAQI
4th Mar 20269212 AMAQI
4th Mar 20261521 AMAQI
4th Mar 20261462 AMAQI
4th Mar 20261103 AMAQI
4th Mar 20261124 AMAQI
4th Mar 20261225 AMAQI

31°C24/38°C

4th Mar 20261256 AMAQI
4th Mar 20261287 AMAQI
4th Mar 20261128 AMAQI
4th Mar 2026949 AMAQI
4th Mar 20266910 AMAQI
4th Mar 20266011 AMAQI
4th Mar 20266612 PMAQI
4th Mar 2026561 PMAQI
4th Mar 2026572 PMAQI
4th Mar 2026563 PMAQI
4th Mar 2026554 PMAQI
4th Mar 2026665 PMAQI
4th Mar 2026736 PMAQI
4th Mar 2026717 PMAQI
4th Mar 2026738 PMAQI
4th Mar 2026689 PMAQI
4th Mar 20266410 PMAQI
4th Mar 20267011 PMAQI
5th Mar 20266912 AMAQI
5th Mar 2026701 AMAQI
5th Mar 2026602 AMAQI
5th Mar 2026573 AMAQI
5th Mar 2026444 AMAQI
5th Mar 2026465 AMAQI

29°C24/34°C

5th Mar 2026466 AMAQI
5th Mar 2026557 AMAQI
5th Mar 2026508 AMAQI
5th Mar 2026539 AMAQI
5th Mar 20265110 AMAQI
5th Mar 20265311 AMAQI
5th Mar 20265512 PMAQI
5th Mar 2026521 PMAQI
5th Mar 2026552 PMAQI
5th Mar 2026513 PMAQI
5th Mar 2026544 PMAQI
5th Mar 2026545 PMAQI
5th Mar 2026646 PMAQI
5th Mar 2026677 PMAQI
5th Mar 2026748 PMAQI
5th Mar 2026699 PMAQI
5th Mar 20267310 PMAQI
5th Mar 20266211 PMAQI
6th Mar 20266412 AMAQI
6th Mar 2026691 AMAQI
6th Mar 2026662 AMAQI
6th Mar 2026653 AMAQI
6th Mar 2026664 AMAQI
6th Mar 2026625 AMAQI

27°C22/33°C

6th Mar 2026666 AMAQI
6th Mar 2026727 AMAQI
6th Mar 2026668 AMAQI
6th Mar 2026579 AMAQI
6th Mar 20265310 AMAQI
6th Mar 20263811 AMAQI
6th Mar 20263812 PMAQI
6th Mar 2026421 PMAQI
6th Mar 2026382 PMAQI
6th Mar 2026343 PMAQI
6th Mar 2026294 PMAQI
6th Mar 2026275 PMAQI
6th Mar 2026346 PMAQI
6th Mar 2026407 PMAQI
6th Mar 2026478 PMAQI
6th Mar 2026589 PMAQI
6th Mar 20266610 PMAQI
6th Mar 20267611 PMAQI
7th Mar 20267812 AMAQI
7th Mar 2026761 AMAQI
7th Mar 2026632 AMAQI
7th Mar 2026553 AMAQI
7th Mar 2026554 AMAQI
7th Mar 2026555 AMAQI

27°C21/33°C

7th Mar 2026536 AMAQI
7th Mar 2026477 AMAQI
7th Mar 2026468 AMAQI
7th Mar 2026359 AMAQI
7th Mar 20263410 AMAQI
7th Mar 20263411 AMAQI
7th Mar 20262712 PMAQI
7th Mar 2026271 PMAQI
7th Mar 2026292 PMAQI
7th Mar 2026343 PMAQI
7th Mar 2026384 PMAQI
7th Mar 2026445 PMAQI
7th Mar 2026406 PMAQI
7th Mar 2026497 PMAQI
7th Mar 2026698 PMAQI
7th Mar 2026749 PMAQI
7th Mar 20267410 PMAQI
7th Mar 20267611 PMAQI
8th Mar 20267012 AMAQI
8th Mar 2026681 AMAQI
8th Mar 2026642 AMAQI
8th Mar 2026533 AMAQI
8th Mar 2026474 AMAQI
8th Mar 2026425 AMAQI

28°C22/34°C

8th Mar 2026466 AMAQI
8th Mar 2026597 AMAQI
8th Mar 2026588 AMAQI
8th Mar 2026469 AMAQI
8th Mar 20264610 AMAQI
8th Mar 20264011 AMAQI
8th Mar 20263612 PMAQI
8th Mar 2026401 PMAQI
8th Mar 2026422 PMAQI
8th Mar 2026443 PMAQI
8th Mar 2026444 PMAQI
8th Mar 2026465 PMAQI
8th Mar 2026496 PMAQI
8th Mar 2026547 PMAQI
8th Mar 2026628 PMAQI
8th Mar 2026669 PMAQI
8th Mar 20267010 PMAQI
8th Mar 20267911 PMAQI
9th Mar 20268112 AMAQI
9th Mar 2026821 AMAQI
9th Mar 2026812 AMAQI
9th Mar 2026793 AMAQI
9th Mar 2026724 AMAQI
9th Mar 2026825 AMAQI

28°C22/35°C

9th Mar 2026846 AMAQI
9th Mar 2026837 AMAQI
9th Mar 2026828 AMAQI
9th Mar 2026709 AMAQI
9th Mar 20266410 AMAQI
9th Mar 20265911 AMAQI
9th Mar 20266412 PMAQI
9th Mar 2026621 PMAQI
9th Mar 2026642 PMAQI
9th Mar 2026623 PMAQI
9th Mar 2026624 PMAQI
9th Mar 2026735 PMAQI
9th Mar 2026766 PMAQI
9th Mar 2026827 PMAQI
9th Mar 2026898 PMAQI
9th Mar 2026879 PMAQI
9th Mar 20268710 PMAQI
9th Mar 20267111 PMAQI
10th Mar 20264012 AMAQI
10th Mar 2026381 AMAQI
10th Mar 2026262 AMAQI
10th Mar 2026383 AMAQI
10th Mar 2026234 AMAQI
10th Mar 2026325 AMAQI

28°C22/35°C

10th Mar 2026286 AMAQI
6 AM
10th Mar 2026317 AMAQI
10th Mar 2026318 AMAQI
10th Mar 2026279 AMAQI
10th Mar 20262410 AMAQI
10th Mar 20261811 AMAQI
10th Mar 20262012 PMAQI
12 PM
10th Mar 2026211 PMAQI
10th Mar 2026262 PMAQI
10th Mar 2026313 PMAQI
10th Mar 2026364 PMAQI
10th Mar 2026445 PMAQI
10th Mar 2026466 PMAQI
6 PM
10th Mar 2026547 PMAQI
10th Mar 2026628 PMAQI
10th Mar 2026689 PMAQI
10th Mar 20267110 PMAQI
10th Mar 20268011 PMAQI
12 AM
5 AM

27°C22/33°C

Day time
Avg. Highest Time
7 AM - 8 AM

79AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
2 PM - 3 PM

60AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 8 AM (Avg. 79), while the lowest AQI was between 2 PM to 3 PM (Avg. 60).
Night time
Avg. Highest Time
11 PM

85AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
4 AM - 7 PM

72AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 PM to 11 PM (Avg. 85), while the lowest AQI was between 4 AM to 7 PM (Avg. 72).

2026 Days Vs Air Quality

Vientiane University Of Health Science 2, Vientiane, Viangchan, Laos

2026

10%

7

62%

43

28%

19

Total number of days with different AQI categories in last 70 days in 2026 (295 days remaining)

Good
7 Days
Moderate
43 Days
Poor
19 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 10%

Health Risk Level:

Extreme

In 2026, 10% of 70 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

Vientiane University Of Health Science 2, Vientiane, Viangchan, Laos

AQI levels in 2026

AQI (US)
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
98AQI (US)
2nd January 2026
61AQI (US)
3rd January 2026
36AQI (US)
4th January 2026
55AQI (US)
5th January 2026
112AQI (US)
6th January 2026
59AQI (US)
7th January 2026
48AQI (US)
8th January 2026
60AQI (US)
9th January 2026
85AQI (US)
10th January 2026
105AQI (US)
11th January 2026
98AQI (US)
12th January 2026
137AQI (US)
13th January 2026
118AQI (US)
14th January 2026
125AQI (US)
15th January 2026
135AQI (US)
16th January 2026
128AQI (US)
17th January 2026
122AQI (US)
18th January 2026
121AQI (US)
19th January 2026
102AQI (US)
20th January 2026
117AQI (US)
21st January 2026
95AQI (US)
22nd January 2026
67AQI (US)
23rd January 2026
52AQI (US)
24th January 2026
81AQI (US)
25th January 2026
99AQI (US)
26th January 2026
100AQI (US)
27th January 2026
85AQI (US)
28th January 2026
83AQI (US)
29th January 2026
96AQI (US)
30th January 2026
119AQI (US)
31st January 2026
109AQI (US)
1st February 2026
80AQI (US)
2nd February 2026
72AQI (US)
3rd February 2026
58AQI (US)
4th February 2026
79AQI (US)
5th February 2026
99AQI (US)
6th February 2026
100AQI (US)
7th February 2026
108AQI (US)
8th February 2026
73AQI (US)
9th February 2026
25AQI (US)
10th February 2026
68AQI (US)
11th February 2026
78AQI (US)
12th February 2026
76AQI (US)
13th February 2026
89AQI (US)
14th February 2026
93AQI (US)
15th February 2026
91AQI (US)
16th February 2026
105AQI (US)
17th February 2026
78AQI (US)
18th February 2026
51AQI (US)
19th February 2026
32AQI (US)
20th February 2026
36AQI (US)
21st February 2026
79AQI (US)
22nd February 2026
129AQI (US)
23rd February 2026
117AQI (US)
24th February 2026
101AQI (US)
25th February 2026
58AQI (US)
26th February 2026
53AQI (US)
27th February 2026
66AQI (US)
28th February 2026
64AQI (US)
1st March 2026
79AQI (US)
2nd March 2026
91AQI (US)
3rd March 2026
103AQI (US)
4th March 2026
87AQI (US)
5th March 2026
58AQI (US)
6th March 2026
53AQI (US)
7th March 2026
50AQI (US)
8th March 2026
53AQI (US)
9th March 2026
75AQI (US)
10th March 2026
38AQI (US)
11th March 2026
12th March 2026
13th March 2026
14th March 2026
15th March 2026
16th March 2026
17th March 2026
18th March 2026
19th March 2026
20th March 2026
21st March 2026
22nd March 2026
23rd March 2026
24th March 2026
25th March 2026
26th March 2026
27th March 2026
28th March 2026
29th March 2026
30th March 2026
31st March 2026
1st April 2026
2nd April 2026
3rd April 2026
4th April 2026
5th April 2026
6th April 2026
7th April 2026
8th April 2026
9th April 2026
10th April 2026
11th April 2026
12th April 2026
13th April 2026
14th April 2026
15th April 2026
16th April 2026
17th April 2026
18th April 2026
19th April 2026
20th April 2026
21st April 2026
22nd April 2026
23rd April 2026
24th April 2026
25th April 2026
26th April 2026
27th April 2026
28th April 2026
29th April 2026
30th April 2026
1st May 2026
2nd May 2026
3rd May 2026
4th May 2026
5th May 2026
6th May 2026
7th May 2026
8th May 2026
9th May 2026
10th May 2026
11th May 2026
12th May 2026
13th May 2026
14th May 2026
15th May 2026
16th May 2026
17th May 2026
18th May 2026
19th May 2026
20th May 2026
21st May 2026
22nd May 2026
23rd May 2026
24th May 2026
25th May 2026
26th May 2026
27th May 2026
28th May 2026
29th May 2026
30th May 2026
31st May 2026
1st June 2026
2nd June 2026
3rd June 2026
4th June 2026
5th June 2026
6th June 2026
7th June 2026
8th June 2026
9th June 2026
10th June 2026
11th June 2026
12th June 2026
13th June 2026
14th June 2026
15th June 2026
16th June 2026
17th June 2026
18th June 2026
19th June 2026
20th June 2026
21st June 2026
22nd June 2026
23rd June 2026
24th June 2026
25th June 2026
26th June 2026
27th June 2026
28th June 2026
29th June 2026
30th June 2026
1st July 2026
2nd July 2026
3rd July 2026
4th July 2026
5th July 2026
6th July 2026
7th July 2026
8th July 2026
9th July 2026
10th July 2026
11th July 2026
12th July 2026
13th July 2026
14th July 2026
15th July 2026
16th July 2026
17th July 2026
18th July 2026
19th July 2026
20th July 2026
21st July 2026
22nd July 2026
23rd July 2026
24th July 2026
25th July 2026
26th July 2026
27th July 2026
28th July 2026
29th July 2026
30th July 2026
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

94AQI (US)

77AQI (US)

69AQI (US)

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202683AQI (US)

2
16
13
3
20
5
2
7
1
7
43
19

Highest AQI (US) recorded in

January

94AQI (US)

Lowest AQI (US) recorded in

March

69AQI (US)

202574AQI (US)

10
21
19
9
16
10
5
24
6
6
25
18
12
21
10
17
14
27
3
4
27
6
19
5
2
12
17
101
191
68
5

Highest AQI (US) recorded in

March

110AQI (US)

Lowest AQI (US) recorded in

September

42AQI (US)

202462AQI (US)

3
10
3
1
2
7
5
7
23
14
17
23
6
4
5
17
1
27
3
1
27
3
65
134
10

Highest AQI (US) recorded in

November

83AQI (US)

Lowest AQI (US) recorded in

September

39AQI (US)

2023118AQI (US)

3
8
21
2
8
24
2

Highest AQI (US) recorded in

December

118AQI (US)

Lowest AQI (US) recorded in

November

114AQI (US)

202055AQI (US)

1
1

Highest AQI (US) recorded in

October

55AQI (US)

Lowest AQI (US) recorded in

October

55AQI (US)

Most & Least Polluted Years Over the Last 5 Years

Most Polluted Year Recorded
2023(Avg.)
118AQI (US)
Least Polluted Year Recorded
2020(Avg.)
55AQI (US)

Vientiane University Of Health Science 2's annual 2026 AQI (US) (83) shows an average percentage change of 17.6% (worsened AQI (US)) compared to previous years: 2020 (55), 2023 (118), 2024 (62), 2025 (74).