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+

February Air Quality Analysis

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

2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
16th Feb 2025
126AQI
Lowest AQI recorded on
9th Feb 2026
25AQI

Same Day Analysis (15th February):
On this day, AQI across the 2 years varied significantly: 2026 ranks 2nd highest AQI at 91 of Moderate air quality, showing improvement over 2025 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 14th Feb - 15th Feb 2026

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

AQI
Day
Night
.

6 AM14th Feb 2026

6 PM

5 AM15th Feb 2026

Day time
Avg. Highest Time
6AM14th Feb

98AQI

Avg. Lowest Time
5PM14th Feb

63AQI

Night time
Avg. Highest Time
1AM15th Feb

136AQI

Avg. Lowest Time
5AM15th Feb

67AQI

In the last 24 hours,

Vientiane University Of Health Science 2's AQI reached its highest point of 136 at 1 AM during the Night, while the lowest point, 63, was recorded at 5 PM during the Day between 14th Feb and 15th Feb 2026.

Day & Night AQI Trend : Jan - Feb 2026

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

JanFeb
17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th
Day
Night
17th Jan 20261666 AMAQI
17th Jan 20261307 AMAQI
17th Jan 20261268 AMAQI
17th Jan 20261469 AMAQI
17th Jan 202615210 AMAQI
17th Jan 202612611 AMAQI
17th Jan 202612412 PMAQI
17th Jan 20261251 PMAQI
17th Jan 20261152 PMAQI
17th Jan 20261083 PMAQI
17th Jan 2026784 PMAQI
17th Jan 2026965 PMAQI
17th Jan 2026666 PMAQI
17th Jan 20261127 PMAQI
17th Jan 20261058 PMAQI
17th Jan 20261359 PMAQI
17th Jan 202613410 PMAQI
17th Jan 202614011 PMAQI
18th Jan 202611112 AMAQI
18th Jan 20261551 AMAQI
18th Jan 20261562 AMAQI
18th Jan 20261543 AMAQI
18th Jan 20261434 AMAQI
18th Jan 20261425 AMAQI

26°C19/33°C

18th Jan 20261266 AMAQI
18th Jan 20261217 AMAQI
18th Jan 20261458 AMAQI
18th Jan 20261339 AMAQI
18th Jan 202613610 AMAQI
18th Jan 202610211 AMAQI
18th Jan 202610512 PMAQI
18th Jan 20261041 PMAQI
18th Jan 2026722 PMAQI
18th Jan 2026803 PMAQI
18th Jan 2026854 PMAQI
18th Jan 2026815 PMAQI
18th Jan 2026666 PMAQI
18th Jan 20261197 PMAQI
18th Jan 20261338 PMAQI
18th Jan 20261369 PMAQI
18th Jan 202615210 PMAQI
18th Jan 202613911 PMAQI
19th Jan 202616212 AMAQI
19th Jan 20261541 AMAQI
19th Jan 20261462 AMAQI
19th Jan 20261183 AMAQI
19th Jan 20261084 AMAQI
19th Jan 2026675 AMAQI

25°C19/33°C

19th Jan 2026766 AMAQI
19th Jan 20261067 AMAQI
19th Jan 20261528 AMAQI
19th Jan 20261109 AMAQI
19th Jan 202615010 AMAQI
19th Jan 202611211 AMAQI
19th Jan 202611112 PMAQI
19th Jan 2026961 PMAQI
19th Jan 2026812 PMAQI
19th Jan 2026763 PMAQI
19th Jan 2026614 PMAQI
19th Jan 2026485 PMAQI
19th Jan 2026516 PMAQI
19th Jan 2026747 PMAQI
19th Jan 2026788 PMAQI
19th Jan 2026909 PMAQI
19th Jan 20268510 PMAQI
19th Jan 202613611 PMAQI
20th Jan 202613012 AMAQI
20th Jan 20261501 AMAQI
20th Jan 20261562 AMAQI
20th Jan 20261583 AMAQI
20th Jan 20261544 AMAQI
20th Jan 20261545 AMAQI

26°C19/33°C

20th Jan 20261586 AMAQI
20th Jan 20261287 AMAQI
20th Jan 20261248 AMAQI
20th Jan 20261289 AMAQI
20th Jan 202613010 AMAQI
20th Jan 202611411 AMAQI
20th Jan 202610012 PMAQI
20th Jan 2026721 PMAQI
20th Jan 2026542 PMAQI
20th Jan 2026543 PMAQI
20th Jan 2026684 PMAQI
20th Jan 2026575 PMAQI
20th Jan 2026726 PMAQI
20th Jan 20261117 PMAQI
20th Jan 20261288 PMAQI
20th Jan 20261309 PMAQI
20th Jan 202613610 PMAQI
20th Jan 202613811 PMAQI
21st Jan 202615212 AMAQI
21st Jan 20261521 AMAQI
21st Jan 20261442 AMAQI
21st Jan 20261063 AMAQI
21st Jan 20261294 AMAQI
21st Jan 20261345 AMAQI

25°C18/33°C

21st Jan 20261426 AMAQI
21st Jan 20261527 AMAQI
21st Jan 20261118 AMAQI
21st Jan 2026979 AMAQI
21st Jan 20266410 AMAQI
21st Jan 20268611 AMAQI
21st Jan 202610112 PMAQI
21st Jan 2026521 PMAQI
21st Jan 2026482 PMAQI
21st Jan 2026513 PMAQI
21st Jan 2026424 PMAQI
21st Jan 2026405 PMAQI
21st Jan 2026486 PMAQI
21st Jan 2026507 PMAQI
21st Jan 2026608 PMAQI
21st Jan 2026769 PMAQI
21st Jan 202611010 PMAQI
21st Jan 202612211 PMAQI
22nd Jan 202612212 AMAQI
22nd Jan 20261021 AMAQI
22nd Jan 2026832 AMAQI
22nd Jan 2026563 AMAQI
22nd Jan 2026444 AMAQI
22nd Jan 2026365 AMAQI

24°C17/31°C

22nd Jan 2026696 AMAQI
22nd Jan 2026487 AMAQI
22nd Jan 2026428 AMAQI
22nd Jan 2026469 AMAQI
22nd Jan 20264610 AMAQI
22nd Jan 20264611 AMAQI
22nd Jan 20267112 PMAQI
22nd Jan 2026681 PMAQI
22nd Jan 2026622 PMAQI
22nd Jan 2026633 PMAQI
22nd Jan 2026584 PMAQI
22nd Jan 2026625 PMAQI
22nd Jan 2026676 PMAQI
22nd Jan 2026807 PMAQI
22nd Jan 2026908 PMAQI
22nd Jan 2026909 PMAQI
22nd Jan 20268810 PMAQI
22nd Jan 20266011 PMAQI
23rd Jan 20265512 AMAQI
23rd Jan 2026561 AMAQI
23rd Jan 2026542 AMAQI
23rd Jan 2026553 AMAQI
23rd Jan 2026444 AMAQI
23rd Jan 2026295 AMAQI

23°C17/30°C

23rd Jan 2026456 AMAQI
23rd Jan 2026687 AMAQI
23rd Jan 2026848 AMAQI
23rd Jan 2026609 AMAQI
23rd Jan 20263110 AMAQI
23rd Jan 20262711 AMAQI
23rd Jan 20263112 PMAQI
23rd Jan 2026331 PMAQI
23rd Jan 2026272 PMAQI
23rd Jan 2026293 PMAQI
23rd Jan 2026294 PMAQI
23rd Jan 2026235 PMAQI
23rd Jan 2026316 PMAQI
23rd Jan 2026557 PMAQI
23rd Jan 2026958 PMAQI
23rd Jan 2026839 PMAQI
23rd Jan 202610010 PMAQI
23rd Jan 20269811 PMAQI
24th Jan 202610312 AMAQI
24th Jan 2026881 AMAQI
24th Jan 2026812 AMAQI
24th Jan 2026763 AMAQI
24th Jan 2026764 AMAQI
24th Jan 2026765 AMAQI

21°C15/28°C

24th Jan 2026946 AMAQI
24th Jan 2026887 AMAQI
24th Jan 20261008 AMAQI
24th Jan 2026789 AMAQI
24th Jan 20268410 AMAQI
24th Jan 20265511 AMAQI
24th Jan 20265412 PMAQI
24th Jan 2026471 PMAQI
24th Jan 2026602 PMAQI
24th Jan 2026563 PMAQI
24th Jan 2026584 PMAQI
24th Jan 2026655 PMAQI
24th Jan 2026786 PMAQI
24th Jan 2026907 PMAQI
24th Jan 2026768 PMAQI
24th Jan 20261159 PMAQI
24th Jan 202611810 PMAQI
24th Jan 202612411 PMAQI
25th Jan 202611612 AMAQI
25th Jan 20261341 AMAQI
25th Jan 20261302 AMAQI
25th Jan 2026823 AMAQI
25th Jan 20261144 AMAQI
25th Jan 2026765 AMAQI

21°C15/29°C

25th Jan 20261196 AMAQI
25th Jan 20261307 AMAQI
25th Jan 20261248 AMAQI
25th Jan 20261259 AMAQI
25th Jan 202611410 AMAQI
25th Jan 20267611 AMAQI
25th Jan 20267612 PMAQI
25th Jan 2026481 PMAQI
25th Jan 2026502 PMAQI
25th Jan 2026723 PMAQI
25th Jan 2026894 PMAQI
25th Jan 2026575 PMAQI
25th Jan 2026726 PMAQI
25th Jan 2026667 PMAQI
25th Jan 20261168 PMAQI
25th Jan 20261289 PMAQI
25th Jan 202612210 PMAQI
25th Jan 202613911 PMAQI
26th Jan 202613612 AMAQI
26th Jan 20261441 AMAQI
26th Jan 20261342 AMAQI
26th Jan 20261063 AMAQI
26th Jan 20261484 AMAQI
26th Jan 20261405 AMAQI

23°C16/31°C

26th Jan 20261506 AMAQI
26th Jan 20261517 AMAQI
26th Jan 20261489 AMAQI
26th Jan 20269210 AMAQI
26th Jan 20268011 AMAQI
26th Jan 20266212 PMAQI
26th Jan 2026491 PMAQI
26th Jan 2026482 PMAQI
26th Jan 2026503 PMAQI
26th Jan 2026504 PMAQI
26th Jan 2026535 PMAQI
26th Jan 2026536 PMAQI
26th Jan 2026747 PMAQI
26th Jan 2026858 PMAQI
26th Jan 2026909 PMAQI
26th Jan 20268610 PMAQI
26th Jan 202611511 PMAQI
27th Jan 202611012 AMAQI
27th Jan 20261151 AMAQI
27th Jan 2026962 AMAQI
27th Jan 20261003 AMAQI
27th Jan 2026844 AMAQI
27th Jan 2026725 AMAQI

24°C17/32°C

27th Jan 2026836 AMAQI
27th Jan 2026817 AMAQI
27th Jan 2026838 AMAQI
27th Jan 2026859 AMAQI
27th Jan 20268410 AMAQI
27th Jan 20268411 AMAQI
27th Jan 20267312 PMAQI
27th Jan 2026661 PMAQI
27th Jan 2026632 PMAQI
27th Jan 2026553 PMAQI
27th Jan 2026664 PMAQI
27th Jan 2026655 PMAQI
27th Jan 2026646 PMAQI
27th Jan 2026717 PMAQI
27th Jan 2026928 PMAQI
27th Jan 20261009 PMAQI
27th Jan 202612410 PMAQI
27th Jan 202613111 PMAQI
28th Jan 202612212 AMAQI
28th Jan 20261161 AMAQI
28th Jan 20261252 AMAQI
28th Jan 20261103 AMAQI
28th Jan 2026894 AMAQI
28th Jan 2026905 AMAQI

24°C17/32°C

28th Jan 2026886 AMAQI
28th Jan 2026937 AMAQI
28th Jan 2026878 AMAQI
28th Jan 2026799 AMAQI
28th Jan 20267410 AMAQI
28th Jan 20267611 AMAQI
28th Jan 20267312 PMAQI
28th Jan 2026651 PMAQI
28th Jan 2026622 PMAQI
28th Jan 2026603 PMAQI
28th Jan 2026554 PMAQI
28th Jan 2026535 PMAQI
28th Jan 2026556 PMAQI
28th Jan 2026577 PMAQI
28th Jan 2026678 PMAQI
28th Jan 20269510 PMAQI
28th Jan 202611011 PMAQI
29th Jan 202611612 AMAQI
29th Jan 2026991 AMAQI
29th Jan 2026842 AMAQI
29th Jan 2026983 AMAQI
29th Jan 2026984 AMAQI
29th Jan 20261005 AMAQI

24°C17/32°C

29th Jan 20261186 AMAQI
29th Jan 20261047 AMAQI
29th Jan 20261288 AMAQI
29th Jan 20261289 AMAQI
29th Jan 20268510 AMAQI
29th Jan 20268111 AMAQI
29th Jan 20267412 PMAQI
29th Jan 2026671 PMAQI
29th Jan 2026652 PMAQI
29th Jan 2026713 PMAQI
29th Jan 2026744 PMAQI
29th Jan 2026765 PMAQI
29th Jan 2026806 PMAQI
29th Jan 2026887 PMAQI
29th Jan 20261078 PMAQI
29th Jan 20261129 PMAQI
29th Jan 202612210 PMAQI
29th Jan 202612811 PMAQI
30th Jan 202612812 AMAQI
30th Jan 20261361 AMAQI
30th Jan 20261292 AMAQI
30th Jan 20261423 AMAQI
30th Jan 20261494 AMAQI
30th Jan 20261385 AMAQI

24°C17/32°C

30th Jan 20261426 AMAQI
30th Jan 20261267 AMAQI
30th Jan 20261528 AMAQI
30th Jan 20261429 AMAQI
30th Jan 202614010 AMAQI
30th Jan 202614711 AMAQI
30th Jan 202612112 PMAQI
30th Jan 20261081 PMAQI
30th Jan 2026902 PMAQI
30th Jan 2026843 PMAQI
30th Jan 2026744 PMAQI
30th Jan 2026835 PMAQI
30th Jan 2026876 PMAQI
30th Jan 2026927 PMAQI
30th Jan 2026968 PMAQI
30th Jan 20261029 PMAQI
30th Jan 202611810 PMAQI
30th Jan 202612211 PMAQI
31st Jan 202612512 AMAQI
31st Jan 20261281 AMAQI
31st Jan 20261302 AMAQI
31st Jan 20261423 AMAQI
31st Jan 20261494 AMAQI
31st Jan 20261515 AMAQI

25°C18/33°C

31st Jan 20261526 AMAQI
31st Jan 20261457 AMAQI
31st Jan 20261388 AMAQI
31st Jan 20261209 AMAQI
31st Jan 202611210 AMAQI
31st Jan 20269411 AMAQI
31st Jan 20269012 PMAQI
31st Jan 2026791 PMAQI
31st Jan 2026742 PMAQI
31st Jan 2026713 PMAQI
31st Jan 2026764 PMAQI
31st Jan 2026716 PMAQI
31st Jan 2026797 PMAQI
31st Jan 2026978 PMAQI
31st Jan 20261129 PMAQI
31st Jan 202611110 PMAQI
31st Jan 202610611 PMAQI
1st Feb 20268912 AMAQI
1st Feb 2026881 AMAQI
1st Feb 2026852 AMAQI
1st Feb 2026843 AMAQI
1st Feb 2026784 AMAQI
1st Feb 2026815 AMAQI

25°C19/33°C

1st Feb 2026886 AMAQI
1st Feb 2026967 AMAQI
1st Feb 2026978 AMAQI
1st Feb 20261089 AMAQI
1st Feb 20269510 AMAQI
1st Feb 20267611 AMAQI
1st Feb 20267612 PMAQI
1st Feb 2026701 PMAQI
1st Feb 2026622 PMAQI
1st Feb 2026653 PMAQI
1st Feb 2026654 PMAQI
1st Feb 2026625 PMAQI
1st Feb 2026646 PMAQI
1st Feb 2026647 PMAQI
1st Feb 2026848 PMAQI
1st Feb 2026769 PMAQI
1st Feb 20268110 PMAQI
1st Feb 20268811 PMAQI
2nd Feb 20268012 AMAQI
2nd Feb 2026761 AMAQI
2nd Feb 2026802 AMAQI
2nd Feb 2026833 AMAQI
2nd Feb 2026754 AMAQI
2nd Feb 2026835 AMAQI

23°C17/31°C

2nd Feb 2026886 AMAQI
2nd Feb 2026967 AMAQI
2nd Feb 2026938 AMAQI
2nd Feb 2026869 AMAQI
2nd Feb 20268110 AMAQI
2nd Feb 20267211 AMAQI
2nd Feb 20266712 PMAQI
2nd Feb 2026601 PMAQI
2nd Feb 2026552 PMAQI
2nd Feb 2026583 PMAQI
2nd Feb 2026584 PMAQI
2nd Feb 2026565 PMAQI
2nd Feb 2026576 PMAQI
2nd Feb 2026607 PMAQI
2nd Feb 2026688 PMAQI
2nd Feb 2026719 PMAQI
2nd Feb 20267010 PMAQI
2nd Feb 20266211 PMAQI
3rd Feb 20266012 AMAQI
3rd Feb 2026621 AMAQI
3rd Feb 2026602 AMAQI
3rd Feb 2026653 AMAQI
3rd Feb 2026624 AMAQI
3rd Feb 2026595 AMAQI

22°C16/30°C

3rd Feb 2026586 AMAQI
3rd Feb 2026627 AMAQI
3rd Feb 2026698 AMAQI
3rd Feb 2026649 AMAQI
3rd Feb 20265610 AMAQI
3rd Feb 20265811 AMAQI
3rd Feb 20265712 PMAQI
3rd Feb 2026541 PMAQI
3rd Feb 2026543 PMAQI
3rd Feb 2026424 PMAQI
3rd Feb 2026295 PMAQI
3rd Feb 2026366 PMAQI
3rd Feb 2026407 PMAQI
3rd Feb 2026628 PMAQI
3rd Feb 2026729 PMAQI
3rd Feb 20267110 PMAQI
3rd Feb 20268011 PMAQI
4th Feb 20267812 AMAQI
4th Feb 2026761 AMAQI
4th Feb 2026862 AMAQI
4th Feb 2026873 AMAQI
4th Feb 2026884 AMAQI
4th Feb 2026935 AMAQI

22°C15/30°C

4th Feb 2026896 AMAQI
4th Feb 2026927 AMAQI
4th Feb 2026958 AMAQI
4th Feb 2026909 AMAQI
4th Feb 20268410 AMAQI
4th Feb 20268011 AMAQI
4th Feb 20267412 PMAQI
4th Feb 2026651 PMAQI
4th Feb 2026582 PMAQI
4th Feb 2026543 PMAQI
4th Feb 2026564 PMAQI
4th Feb 2026575 PMAQI
4th Feb 2026656 PMAQI
4th Feb 2026767 PMAQI
4th Feb 2026808 PMAQI
4th Feb 2026909 PMAQI
4th Feb 20269210 PMAQI
4th Feb 20269411 PMAQI
5th Feb 202610412 AMAQI
5th Feb 20261001 AMAQI
5th Feb 20261022 AMAQI
5th Feb 20261023 AMAQI
5th Feb 20261084 AMAQI
5th Feb 20261205 AMAQI

24°C16/32°C

5th Feb 20261286 AMAQI
5th Feb 20261387 AMAQI
5th Feb 20261228 AMAQI
5th Feb 20261399 AMAQI
5th Feb 202612510 AMAQI
5th Feb 202612011 AMAQI
5th Feb 202610812 PMAQI
5th Feb 2026971 PMAQI
5th Feb 2026802 PMAQI
5th Feb 2026633 PMAQI
5th Feb 2026634 PMAQI
5th Feb 2026565 PMAQI
5th Feb 2026566 PMAQI
5th Feb 2026627 PMAQI
5th Feb 2026828 PMAQI
5th Feb 2026979 PMAQI
5th Feb 20269510 PMAQI
5th Feb 202611011 PMAQI
6th Feb 202611512 AMAQI
6th Feb 20261091 AMAQI
6th Feb 20261092 AMAQI
6th Feb 20261263 AMAQI
6th Feb 20261044 AMAQI
6th Feb 20261155 AMAQI

26°C18/35°C

6th Feb 20261286 AMAQI
6th Feb 20261247 AMAQI
6th Feb 20261258 AMAQI
6th Feb 20261429 AMAQI
6th Feb 20269611 AMAQI
6th Feb 20269612 PMAQI
6th Feb 2026821 PMAQI
6th Feb 2026682 PMAQI
6th Feb 2026653 PMAQI
6th Feb 2026654 PMAQI
6th Feb 2026665 PMAQI
6th Feb 2026696 PMAQI
6th Feb 2026687 PMAQI
6th Feb 2026838 PMAQI
6th Feb 2026909 PMAQI
6th Feb 202611110 PMAQI
6th Feb 202611411 PMAQI
7th Feb 202611412 AMAQI
7th Feb 20261221 AMAQI
7th Feb 20261362 AMAQI
7th Feb 20261223 AMAQI
7th Feb 20261184 AMAQI
7th Feb 20261345 AMAQI

27°C20/37°C

7th Feb 20261356 AMAQI
7th Feb 20261487 AMAQI
7th Feb 20261228 AMAQI
7th Feb 20261089 AMAQI
7th Feb 202610210 AMAQI
7th Feb 20269611 AMAQI
7th Feb 20269612 PMAQI
7th Feb 2026921 PMAQI
7th Feb 2026922 PMAQI
7th Feb 2026923 PMAQI
7th Feb 2026804 PMAQI
7th Feb 2026785 PMAQI
7th Feb 2026746 PMAQI
7th Feb 2026897 PMAQI
7th Feb 20261128 PMAQI
7th Feb 20261189 PMAQI
7th Feb 202611110 PMAQI
7th Feb 202611411 PMAQI
8th Feb 202610212 AMAQI
8th Feb 2026951 AMAQI
8th Feb 2026982 AMAQI
8th Feb 2026923 AMAQI
8th Feb 2026884 AMAQI

27°C20/35°C

8th Feb 2026846 AMAQI
8th Feb 2026807 AMAQI
8th Feb 2026828 AMAQI
8th Feb 2026809 AMAQI
8th Feb 20267110 AMAQI
8th Feb 20266211 AMAQI
8th Feb 20265612 PMAQI
8th Feb 2026581 PMAQI
8th Feb 2026642 PMAQI
8th Feb 2026573 PMAQI
8th Feb 2026554 PMAQI
8th Feb 2026545 PMAQI
8th Feb 2026566 PMAQI
8th Feb 2026577 PMAQI
8th Feb 2026688 PMAQI
8th Feb 2026769 PMAQI
8th Feb 20267610 PMAQI
8th Feb 20265511 PMAQI
9th Feb 20262512 AMAQI
9th Feb 2026191 AMAQI
9th Feb 2026172 AMAQI
9th Feb 2026193 AMAQI
9th Feb 2026214 AMAQI
9th Feb 2026215 AMAQI

26°C20/31°C

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 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
6 AM
15th Feb 2026767 AMAQI
15th Feb 2026858 AMAQI
15th Feb 2026999 AMAQI
15th Feb 20268510 AMAQI
15th Feb 20266511 AMAQI
15th Feb 20267212 PMAQI
12 PM
15th Feb 2026731 PMAQI
15th Feb 2026682 PMAQI
15th Feb 2026643 PMAQI
15th Feb 2026734 PMAQI
15th Feb 2026685 PMAQI
15th Feb 2026696 PMAQI
6 PM
15th Feb 2026787 PMAQI
15th Feb 20261038 PMAQI
15th Feb 20261369 PMAQI
15th Feb 202611810 PMAQI
15th Feb 202612811 PMAQI
12 AM
5 AM

28°C20/36°C

Day time
Avg. Highest Time
6 AM - 9 AM

102AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
5 PM

59AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 9 AM (Avg. 102), while the lowest AQI was between 5 PM to 5 PM (Avg. 59).
Night time
Avg. Highest Time
11 PM

107AQI

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

73AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 PM to 11 PM (Avg. 107), while the lowest AQI was between 7 PM to 7 PM (Avg. 73).

2026 Days Vs Air Quality

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

2026

7%

3

63%

29

30%

14

Total number of days with different AQI categories in last 47 days in 2026 (318 days remaining)

Good
3 Days
Moderate
29 Days
Poor
14 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 7%

Health Risk Level:

Extreme

In 2026, 7% of 47 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
98AQI (US)
27th January 2026
85AQI (US)
28th January 2026
83AQI (US)
29th January 2026
96AQI (US)
30th January 2026
119AQI (US)
31st January 2026
111AQI (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
99AQI (US)
7th February 2026
108AQI (US)
8th February 2026
72AQI (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
92AQI (US)
15th February 2026
91AQI (US)
16th February 2026
17th February 2026
18th February 2026
19th February 2026
20th February 2026
21st February 2026
22nd February 2026
23rd February 2026
24th February 2026
25th February 2026
26th February 2026
27th February 2026
28th February 2026
1st March 2026
2nd March 2026
3rd March 2026
4th March 2026
5th March 2026
6th March 2026
7th March 2026
8th March 2026
9th March 2026
10th March 2026
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)

79AQI (US)

No. of days

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

202689AQI (US)

2
16
13
1
13
1
3
29
14

Highest AQI (US) recorded in

January

94AQI (US)

Lowest AQI (US) recorded in

February

79AQI (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) (89) shows an average percentage change of 25.5% (worsened AQI (US)) compared to previous years: 2020 (55), 2023 (118), 2024 (62), 2025 (74).