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+
June Air Quality Analysis
Vientiane, Viangchan, Laos
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
9th Jun 2023
89AQILowest AQI recorded on
26th Jun 2023
31AQISame Day Analysis (3rd June):
On this day, AQI across the 4 years varied significantly: 2026 ranks 2nd highest AQI at 74 of Moderate air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Jun - 3rd Jun 2026
Vientiane, Viangchan, Laos
AQI
Day
Night
.
5 AM2nd Jun 2026
6 PM
4 AM3rd Jun 2026
Day time
Avg. Highest Time
8AM2nd Jun
84AQI
Avg. Lowest Time
4PM2nd Jun
54AQI
Night time
Avg. Highest Time
10PM2nd Jun
96AQI
Avg. Lowest Time
7PM2nd Jun
64AQI
In the last 24 hours,
Vientiane's AQI reached its highest point of 96 at 10 PM during the Night, while the lowest point, 54, was recorded at 4 PM during the Day between 2nd Jun and 3rd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Vientiane, Viangchan, Laos
MayJun
05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd
Day
Night
5th May 2026695 AMAQI
5th May 2026636 AMAQI
5th May 2026647 AMAQI
5th May 2026658 AMAQI
5th May 2026579 AMAQI
5th May 20264910 AMAQI
5th May 20265111 AMAQI
5th May 20264612 PMAQI
5th May 2026411 PMAQI
5th May 2026402 PMAQI
5th May 2026263 PMAQI
5th May 2026284 PMAQI
5th May 2026235 PMAQI
5th May 2026256 PMAQI
5th May 2026267 PMAQI
5th May 2026438 PMAQI
5th May 2026529 PMAQI
5th May 20265810 PMAQI
5th May 20265611 PMAQI
6th May 20265412 AMAQI
6th May 2026491 AMAQI
6th May 2026532 AMAQI
6th May 2026523 AMAQI
6th May 2026524 AMAQI
29°C24/35°C
6th May 2026565 AMAQI
6th May 2026706 AMAQI
6th May 2026667 AMAQI
6th May 2026608 AMAQI
6th May 2026489 AMAQI
6th May 20264710 AMAQI
6th May 20264611 AMAQI
6th May 20265212 PMAQI
6th May 2026541 PMAQI
6th May 2026572 PMAQI
6th May 2026583 PMAQI
6th May 2026574 PMAQI
6th May 2026555 PMAQI
6th May 2026606 PMAQI
6th May 2026687 PMAQI
6th May 2026818 PMAQI
6th May 2026859 PMAQI
6th May 20268610 PMAQI
6th May 20268311 PMAQI
7th May 20268812 AMAQI
7th May 2026971 AMAQI
7th May 2026882 AMAQI
7th May 2026903 AMAQI
7th May 2026834 AMAQI
31°C25/38°C
7th May 2026845 AMAQI
7th May 2026866 AMAQI
7th May 2026907 AMAQI
7th May 2026918 AMAQI
7th May 2026919 AMAQI
7th May 20268810 AMAQI
7th May 20269011 AMAQI
7th May 20268512 PMAQI
7th May 2026851 PMAQI
7th May 2026842 PMAQI
7th May 2026793 PMAQI
7th May 2026804 PMAQI
7th May 2026795 PMAQI
7th May 2026836 PMAQI
7th May 2026817 PMAQI
7th May 2026828 PMAQI
7th May 2026889 PMAQI
7th May 20269010 PMAQI
7th May 20268611 PMAQI
8th May 20268512 AMAQI
8th May 2026821 AMAQI
8th May 2026832 AMAQI
8th May 2026763 AMAQI
8th May 2026804 AMAQI
33°C27/41°C
8th May 2026755 AMAQI
8th May 2026786 AMAQI
8th May 2026767 AMAQI
8th May 2026778 AMAQI
8th May 2026669 AMAQI
8th May 20266610 AMAQI
8th May 20266511 AMAQI
8th May 20266212 PMAQI
8th May 2026571 PMAQI
8th May 2026462 PMAQI
8th May 2026503 PMAQI
8th May 2026554 PMAQI
8th May 2026595 PMAQI
8th May 2026646 PMAQI
8th May 2026587 PMAQI
8th May 2026648 PMAQI
8th May 2026629 PMAQI
8th May 20266610 PMAQI
8th May 20266611 PMAQI
9th May 20266212 AMAQI
9th May 2026651 AMAQI
9th May 2026612 AMAQI
9th May 2026603 AMAQI
9th May 2026684 AMAQI
30°C26/39°C
9th May 2026725 AMAQI
9th May 2026706 AMAQI
9th May 2026747 AMAQI
9th May 2026768 AMAQI
9th May 2026709 AMAQI
9th May 20265910 AMAQI
9th May 20264811 AMAQI
9th May 20263412 PMAQI
9th May 2026331 PMAQI
9th May 2026362 PMAQI
9th May 2026383 PMAQI
9th May 2026394 PMAQI
9th May 2026425 PMAQI
9th May 2026476 PMAQI
9th May 2026607 PMAQI
9th May 2026698 PMAQI
9th May 2026779 PMAQI
9th May 20267410 PMAQI
9th May 20266911 PMAQI
10th May 20267212 AMAQI
10th May 2026621 AMAQI
10th May 2026622 AMAQI
10th May 2026593 AMAQI
10th May 2026584 AMAQI
28°C24/34°C
10th May 2026545 AMAQI
10th May 2026536 AMAQI
10th May 2026547 AMAQI
10th May 2026548 AMAQI
10th May 2026509 AMAQI
10th May 20264410 AMAQI
10th May 20264911 AMAQI
10th May 20265112 PMAQI
10th May 2026521 PMAQI
10th May 2026492 PMAQI
10th May 2026513 PMAQI
10th May 2026544 PMAQI
10th May 2026555 PMAQI
10th May 2026596 PMAQI
10th May 2026607 PMAQI
10th May 2026668 PMAQI
10th May 2026759 PMAQI
10th May 20267410 PMAQI
10th May 20266911 PMAQI
11th May 20267212 AMAQI
11th May 2026721 AMAQI
11th May 2026702 AMAQI
11th May 2026723 AMAQI
11th May 2026784 AMAQI
30°C25/33°C
11th May 2026745 AMAQI
11th May 2026706 AMAQI
11th May 2026747 AMAQI
11th May 2026778 AMAQI
11th May 2026749 AMAQI
11th May 20266910 AMAQI
11th May 20267011 AMAQI
11th May 20266512 PMAQI
11th May 2026671 PMAQI
11th May 2026732 PMAQI
11th May 2026703 PMAQI
11th May 2026704 PMAQI
11th May 2026725 PMAQI
11th May 2026816 PMAQI
11th May 2026877 PMAQI
11th May 2026948 PMAQI
11th May 2026999 PMAQI
11th May 202610410 PMAQI
11th May 20269811 PMAQI
12th May 202610212 AMAQI
12th May 20261071 AMAQI
12th May 20261042 AMAQI
12th May 20261043 AMAQI
12th May 20261004 AMAQI
30°C25/36°C
12th May 20261025 AMAQI
12th May 20261026 AMAQI
12th May 20261027 AMAQI
12th May 2026948 AMAQI
12th May 2026969 AMAQI
12th May 20268610 AMAQI
12th May 20268311 AMAQI
12th May 20268112 PMAQI
12th May 2026781 PMAQI
12th May 2026762 PMAQI
12th May 2026733 PMAQI
12th May 2026644 PMAQI
12th May 2026565 PMAQI
12th May 2026526 PMAQI
12th May 2026427 PMAQI
12th May 2026498 PMAQI
12th May 2026499 PMAQI
12th May 20264610 PMAQI
12th May 20265111 PMAQI
13th May 20265812 AMAQI
13th May 2026591 AMAQI
13th May 2026582 AMAQI
13th May 2026603 AMAQI
13th May 2026544 AMAQI
31°C25/38°C
13th May 2026565 AMAQI
13th May 2026566 AMAQI
13th May 2026607 AMAQI
13th May 2026568 AMAQI
13th May 2026509 AMAQI
13th May 20265210 AMAQI
13th May 20265311 AMAQI
13th May 20265612 PMAQI
13th May 2026551 PMAQI
13th May 2026522 PMAQI
13th May 2026523 PMAQI
13th May 2026484 PMAQI
13th May 2026585 PMAQI
13th May 2026566 PMAQI
13th May 2026527 PMAQI
13th May 2026548 PMAQI
13th May 2026719 PMAQI
13th May 20267110 PMAQI
13th May 20266611 PMAQI
14th May 20266012 AMAQI
14th May 2026551 AMAQI
14th May 2026522 AMAQI
14th May 2026523 AMAQI
14th May 2026574 AMAQI
29°C25/36°C
14th May 2026565 AMAQI
14th May 2026646 AMAQI
14th May 2026407 AMAQI
14th May 2026658 AMAQI
14th May 2026599 AMAQI
14th May 20265410 AMAQI
14th May 20265411 AMAQI
14th May 20265312 PMAQI
14th May 2026541 PMAQI
14th May 2026552 PMAQI
14th May 2026533 PMAQI
14th May 2026484 PMAQI
14th May 2026525 PMAQI
14th May 2026526 PMAQI
14th May 2026417 PMAQI
14th May 2026468 PMAQI
14th May 2026399 PMAQI
14th May 20264110 PMAQI
14th May 20263811 PMAQI
15th May 20263912 AMAQI
15th May 2026381 AMAQI
15th May 2026442 AMAQI
15th May 2026483 AMAQI
15th May 2026534 AMAQI
30°C25/36°C
15th May 2026485 AMAQI
15th May 2026576 AMAQI
15th May 2026607 AMAQI
15th May 2026588 AMAQI
15th May 2026579 AMAQI
15th May 20265710 AMAQI
15th May 20263711 AMAQI
15th May 20263012 PMAQI
15th May 2026241 PMAQI
15th May 2026202 PMAQI
15th May 2026193 PMAQI
15th May 2026284 PMAQI
15th May 2026345 PMAQI
15th May 2026306 PMAQI
15th May 2026267 PMAQI
15th May 2026218 PMAQI
15th May 2026189 PMAQI
15th May 20265410 PMAQI
15th May 20269211 PMAQI
16th May 20268912 AMAQI
16th May 2026791 AMAQI
16th May 2026922 AMAQI
16th May 2026783 AMAQI
16th May 2026784 AMAQI
30°C26/37°C
16th May 2026845 AMAQI
16th May 2026956 AMAQI
16th May 2026947 AMAQI
16th May 2026628 AMAQI
16th May 2026789 AMAQI
16th May 20267710 AMAQI
16th May 20268411 AMAQI
16th May 20268312 PMAQI
16th May 2026841 PMAQI
16th May 2026742 PMAQI
16th May 2026663 PMAQI
16th May 2026804 PMAQI
16th May 2026745 PMAQI
16th May 2026796 PMAQI
16th May 2026987 PMAQI
16th May 20261008 PMAQI
16th May 20261329 PMAQI
16th May 202612410 PMAQI
16th May 20269911 PMAQI
17th May 202610612 AMAQI
17th May 20261121 AMAQI
17th May 20261022 AMAQI
17th May 2026943 AMAQI
17th May 20261044 AMAQI
30°C26/36°C
17th May 2026835 AMAQI
17th May 2026856 AMAQI
17th May 2026757 AMAQI
17th May 2026708 AMAQI
17th May 2026729 AMAQI
17th May 20267110 AMAQI
17th May 20267611 AMAQI
17th May 20267512 PMAQI
17th May 2026861 PMAQI
17th May 2026822 PMAQI
17th May 2026763 PMAQI
17th May 2026764 PMAQI
17th May 2026675 PMAQI
17th May 2026686 PMAQI
17th May 2026667 PMAQI
17th May 2026838 PMAQI
17th May 2026749 PMAQI
17th May 20269310 PMAQI
17th May 20269611 PMAQI
18th May 20268512 AMAQI
18th May 2026691 AMAQI
18th May 2026782 AMAQI
18th May 2026963 AMAQI
18th May 2026734 AMAQI
30°C26/37°C
18th May 2026915 AMAQI
18th May 2026786 AMAQI
18th May 2026727 AMAQI
18th May 20261028 AMAQI
18th May 2026899 AMAQI
18th May 202613810 AMAQI
18th May 20267411 AMAQI
18th May 20265612 PMAQI
18th May 2026521 PMAQI
18th May 2026542 PMAQI
18th May 2026543 PMAQI
18th May 2026644 PMAQI
18th May 2026585 PMAQI
18th May 2026596 PMAQI
18th May 2026657 PMAQI
18th May 2026798 PMAQI
18th May 2026679 PMAQI
18th May 20266810 PMAQI
18th May 20265911 PMAQI
19th May 20265612 AMAQI
19th May 2026541 AMAQI
19th May 2026622 AMAQI
19th May 2026613 AMAQI
19th May 2026584 AMAQI
28°C25/33°C
19th May 2026565 AMAQI
19th May 2026566 AMAQI
19th May 2026597 AMAQI
19th May 2026618 AMAQI
19th May 2026579 AMAQI
19th May 20265710 AMAQI
19th May 20265411 AMAQI
19th May 20265312 PMAQI
19th May 2026571 PMAQI
19th May 2026582 PMAQI
19th May 2026643 PMAQI
19th May 2026584 PMAQI
19th May 2026635 PMAQI
19th May 2026626 PMAQI
19th May 2026677 PMAQI
19th May 2026628 PMAQI
19th May 2026539 PMAQI
19th May 20266110 PMAQI
19th May 20266311 PMAQI
20th May 20266212 AMAQI
20th May 2026581 AMAQI
20th May 2026562 AMAQI
20th May 2026593 AMAQI
20th May 2026614 AMAQI
25°C24/27°C
20th May 2026605 AMAQI
20th May 2026556 AMAQI
20th May 2026677 AMAQI
20th May 2026738 AMAQI
20th May 2026779 AMAQI
20th May 20267710 AMAQI
20th May 20267711 AMAQI
20th May 20267212 PMAQI
20th May 2026711 PMAQI
20th May 2026722 PMAQI
20th May 2026703 PMAQI
20th May 2026674 PMAQI
20th May 2026775 PMAQI
20th May 2026776 PMAQI
20th May 2026857 PMAQI
20th May 2026838 PMAQI
20th May 2026809 PMAQI
20th May 20268010 PMAQI
20th May 20267911 PMAQI
21st May 20267612 AMAQI
21st May 2026731 AMAQI
21st May 2026762 AMAQI
21st May 2026843 AMAQI
21st May 2026764 AMAQI
27°C24/33°C
21st May 2026715 AMAQI
21st May 2026826 AMAQI
21st May 2026847 AMAQI
21st May 2026788 AMAQI
21st May 2026749 AMAQI
21st May 20267410 AMAQI
21st May 20267411 AMAQI
21st May 20267412 PMAQI
21st May 2026801 PMAQI
21st May 2026812 PMAQI
21st May 2026733 PMAQI
21st May 2026704 PMAQI
21st May 2026675 PMAQI
21st May 2026646 PMAQI
21st May 2026667 PMAQI
21st May 2026688 PMAQI
21st May 2026759 PMAQI
21st May 20267410 PMAQI
21st May 20267611 PMAQI
22nd May 20268212 AMAQI
22nd May 2026711 AMAQI
22nd May 2026662 AMAQI
22nd May 2026633 AMAQI
22nd May 2026634 AMAQI
26°C24/29°C
22nd May 2026625 AMAQI
22nd May 2026696 AMAQI
22nd May 2026737 AMAQI
22nd May 2026638 AMAQI
22nd May 2026649 AMAQI
22nd May 20266410 AMAQI
22nd May 20266411 AMAQI
22nd May 20266412 PMAQI
22nd May 2026641 PMAQI
22nd May 2026642 PMAQI
22nd May 2026643 PMAQI
22nd May 2026644 PMAQI
22nd May 2026645 PMAQI
22nd May 2026566 PMAQI
22nd May 2026537 PMAQI
22nd May 2026568 PMAQI
22nd May 2026549 PMAQI
22nd May 20265110 PMAQI
22nd May 20265211 PMAQI
23rd May 20264612 AMAQI
23rd May 2026521 AMAQI
23rd May 2026462 AMAQI
23rd May 2026363 AMAQI
23rd May 2026384 AMAQI
27°C24/33°C
23rd May 2026405 AMAQI
23rd May 2026436 AMAQI
23rd May 2026497 AMAQI
23rd May 2026528 AMAQI
23rd May 2026549 AMAQI
23rd May 20265410 AMAQI
23rd May 20265411 AMAQI
23rd May 20265412 PMAQI
23rd May 2026541 PMAQI
23rd May 2026512 PMAQI
23rd May 2026423 PMAQI
23rd May 2026424 PMAQI
23rd May 2026415 PMAQI
23rd May 2026396 PMAQI
23rd May 2026387 PMAQI
23rd May 2026448 PMAQI
23rd May 2026559 PMAQI
23rd May 20265210 PMAQI
23rd May 20264911 PMAQI
24th May 20266212 AMAQI
24th May 2026681 AMAQI
24th May 2026622 AMAQI
24th May 2026613 AMAQI
24th May 2026554 AMAQI
28°C24/33°C
24th May 2026525 AMAQI
24th May 2026516 AMAQI
24th May 2026637 AMAQI
24th May 2026528 AMAQI
24th May 2026529 AMAQI
24th May 20265210 AMAQI
24th May 20265211 AMAQI
24th May 20265212 PMAQI
24th May 2026581 PMAQI
24th May 2026562 PMAQI
24th May 2026463 PMAQI
24th May 2026464 PMAQI
24th May 2026405 PMAQI
24th May 2026506 PMAQI
24th May 2026587 PMAQI
24th May 2026618 PMAQI
24th May 2026529 PMAQI
24th May 20265310 PMAQI
24th May 20266111 PMAQI
25th May 20266912 AMAQI
25th May 2026601 AMAQI
25th May 2026502 AMAQI
25th May 2026503 AMAQI
25th May 2026584 AMAQI
29°C25/33°C
25th May 2026565 AMAQI
25th May 2026466 AMAQI
25th May 2026547 AMAQI
25th May 2026528 AMAQI
25th May 2026549 AMAQI
25th May 20265410 AMAQI
25th May 20265411 AMAQI
25th May 20265412 PMAQI
25th May 2026451 PMAQI
25th May 2026512 PMAQI
25th May 2026413 PMAQI
25th May 2026444 PMAQI
25th May 2026515 PMAQI
25th May 2026586 PMAQI
25th May 2026577 PMAQI
25th May 2026618 PMAQI
25th May 2026969 PMAQI
25th May 20267510 PMAQI
25th May 20266711 PMAQI
26th May 20269312 AMAQI
26th May 2026621 AMAQI
26th May 2026542 AMAQI
26th May 2026443 AMAQI
26th May 2026534 AMAQI
30°C25/35°C
26th May 2026705 AMAQI
26th May 2026526 AMAQI
26th May 2026497 AMAQI
26th May 2026528 AMAQI
26th May 2026509 AMAQI
26th May 20265010 AMAQI
26th May 20265211 AMAQI
26th May 20264012 PMAQI
26th May 2026481 PMAQI
26th May 2026502 PMAQI
26th May 2026213 PMAQI
26th May 2026224 PMAQI
26th May 2026215 PMAQI
26th May 2026226 PMAQI
26th May 2026277 PMAQI
26th May 2026408 PMAQI
26th May 2026309 PMAQI
26th May 20263910 PMAQI
26th May 20264211 PMAQI
27th May 20263012 AMAQI
27th May 2026321 AMAQI
27th May 2026322 AMAQI
27th May 2026303 AMAQI
27th May 2026284 AMAQI
30°C26/36°C
27th May 2026375 AMAQI
27th May 2026446 AMAQI
27th May 2026507 AMAQI
27th May 2026418 AMAQI
27th May 2026329 AMAQI
27th May 20263110 AMAQI
27th May 20265111 AMAQI
27th May 20263412 PMAQI
27th May 2026281 PMAQI
27th May 2026322 PMAQI
27th May 2026263 PMAQI
27th May 2026264 PMAQI
27th May 2026345 PMAQI
27th May 2026406 PMAQI
27th May 2026517 PMAQI
27th May 2026538 PMAQI
27th May 2026469 PMAQI
27th May 20265410 PMAQI
27th May 20266511 PMAQI
28th May 20265412 AMAQI
28th May 2026521 AMAQI
28th May 2026562 AMAQI
28th May 2026573 AMAQI
28th May 2026614 AMAQI
31°C26/37°C
28th May 2026625 AMAQI
28th May 2026666 AMAQI
28th May 2026427 AMAQI
28th May 2026628 AMAQI
28th May 2026519 AMAQI
28th May 20265110 AMAQI
28th May 20264911 AMAQI
28th May 20264812 PMAQI
28th May 2026541 PMAQI
28th May 2026472 PMAQI
28th May 2026503 PMAQI
28th May 2026574 PMAQI
28th May 2026465 PMAQI
28th May 2026546 PMAQI
28th May 2026537 PMAQI
28th May 2026698 PMAQI
28th May 2026749 PMAQI
28th May 20267610 PMAQI
28th May 20267711 PMAQI
29th May 20263412 AMAQI
29th May 2026291 AMAQI
29th May 2026292 AMAQI
29th May 2026263 AMAQI
29th May 2026284 AMAQI
30°C26/37°C
29th May 2026315 AMAQI
29th May 2026306 AMAQI
29th May 2026317 AMAQI
29th May 2026308 AMAQI
29th May 2026329 AMAQI
29th May 20263110 AMAQI
29th May 20263011 AMAQI
29th May 20262812 PMAQI
29th May 2026311 PMAQI
29th May 2026302 PMAQI
29th May 2026583 PMAQI
29th May 2026564 PMAQI
29th May 2026665 PMAQI
29th May 2026806 PMAQI
29th May 2026397 PMAQI
29th May 2026418 PMAQI
29th May 2026529 PMAQI
29th May 20267810 PMAQI
29th May 20266811 PMAQI
30th May 20267012 AMAQI
30th May 2026701 AMAQI
30th May 2026692 AMAQI
30th May 2026743 AMAQI
30th May 2026654 AMAQI
31°C26/37°C
30th May 2026565 AMAQI
30th May 2026556 AMAQI
30th May 2026507 AMAQI
30th May 2026388 AMAQI
30th May 2026329 AMAQI
30th May 20262810 AMAQI
30th May 20262811 AMAQI
30th May 20263712 PMAQI
30th May 2026411 PMAQI
30th May 2026362 PMAQI
30th May 2026263 PMAQI
30th May 2026324 PMAQI
30th May 2026255 PMAQI
30th May 2026276 PMAQI
30th May 2026287 PMAQI
30th May 2026298 PMAQI
30th May 2026349 PMAQI
30th May 20263410 PMAQI
30th May 20265111 PMAQI
31st May 20265212 AMAQI
31st May 2026481 AMAQI
31st May 2026462 AMAQI
31st May 2026423 AMAQI
31st May 2026354 AMAQI
29°C25/34°C
31st May 2026325 AMAQI
31st May 2026336 AMAQI
31st May 2026407 AMAQI
31st May 2026408 AMAQI
31st May 2026389 AMAQI
31st May 20263510 AMAQI
31st May 20264611 AMAQI
31st May 20263712 PMAQI
31st May 2026441 PMAQI
31st May 2026452 PMAQI
31st May 2026373 PMAQI
31st May 2026414 PMAQI
31st May 2026465 PMAQI
31st May 2026606 PMAQI
31st May 2026567 PMAQI
31st May 2026608 PMAQI
31st May 2026769 PMAQI
31st May 20268010 PMAQI
31st May 20268111 PMAQI
1st Jun 20267612 AMAQI
1st Jun 2026811 AMAQI
1st Jun 2026822 AMAQI
1st Jun 2026893 AMAQI
1st Jun 2026834 AMAQI
30°C24/35°C
1st Jun 2026725 AMAQI
1st Jun 2026826 AMAQI
1st Jun 2026747 AMAQI
1st Jun 2026848 AMAQI
1st Jun 2026669 AMAQI
1st Jun 20267910 AMAQI
1st Jun 20267511 AMAQI
1st Jun 20266612 PMAQI
1st Jun 2026621 PMAQI
1st Jun 2026592 PMAQI
1st Jun 2026583 PMAQI
1st Jun 2026584 PMAQI
1st Jun 2026625 PMAQI
1st Jun 2026526 PMAQI
1st Jun 2026537 PMAQI
1st Jun 2026568 PMAQI
1st Jun 2026629 PMAQI
1st Jun 20266810 PMAQI
1st Jun 20267611 PMAQI
2nd Jun 20267012 AMAQI
2nd Jun 2026701 AMAQI
2nd Jun 2026652 AMAQI
2nd Jun 2026663 AMAQI
2nd Jun 2026714 AMAQI
31°C26/37°C
2nd Jun 2026675 AMAQI
2nd Jun 2026686 AMAQI
2nd Jun 2026747 AMAQI
2nd Jun 2026848 AMAQI
2nd Jun 2026719 AMAQI
2nd Jun 20267610 AMAQI
2nd Jun 20267011 AMAQI
2nd Jun 20266412 PMAQI
2nd Jun 2026631 PMAQI
2nd Jun 2026662 PMAQI
2nd Jun 2026653 PMAQI
2nd Jun 2026544 PMAQI
2nd Jun 2026575 PMAQI
2nd Jun 2026586 PMAQI
2nd Jun 2026647 PMAQI
2nd Jun 2026708 PMAQI
2nd Jun 2026929 PMAQI
2nd Jun 20269610 PMAQI
2nd Jun 20268611 PMAQI
3rd Jun 20268412 AMAQI
3rd Jun 2026811 AMAQI
3rd Jun 2026762 AMAQI
3rd Jun 2026763 AMAQI
3rd Jun 2026744 AMAQI
32°C27/38°C
3rd Jun 2026705 AMAQI
5 AM3rd Jun 2026746 AMAQI
3rd Jun 2026767 AMAQI
3rd Jun 2026768 AMAQI
3rd Jun 2026729 AMAQI
3rd Jun 20267010 AMAQI
3rd Jun 20266211 AMAQI
11 AM3rd Jun 20266612 PMAQI
3rd Jun 2026621 PMAQI
3rd Jun 2026602 PMAQI
3rd Jun 2026723 PMAQI
3rd Jun 2026834 PMAQI
3rd Jun 2026905 PMAQI
3rd Jun 2026796 PMAQI
6 PM3rd Jun 2026857 PMAQI
3rd Jun 2026628 PMAQI
3rd Jun 2026709 PMAQI
3rd Jun 20266910 PMAQI
3rd Jun 20269511 PMAQI
11 PM4 AM
31°C27/37°C
Day time
Avg. Highest Time
5 AM - 8 AM
64AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
3 PM - 5 PM
54AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 64), while the lowest AQI was between 3 PM to 5 PM (Avg. 54).
Night time
Avg. Highest Time
10 PM - 11 PM
71AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
7 PM
57AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 11 PM (Avg. 71), while the lowest AQI was between 7 PM to 7 PM (Avg. 57).
2026 Days Vs Air Quality
Vientiane, Viangchan, Laos
2026
9%
14
53%
80
30%
46
7%
11
Total number of days with different AQI categories in last 154 days in 2026 (211 days remaining)
Good
14 DaysModerate
80 DaysPoor
46 DaysUnhealthy
11 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 9%
Health Risk Level:
Extreme
In 2026, 9% of 154 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, 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
103AQI (US)
103AQI (US)
2nd January 2026
68AQI (US)
68AQI (US)
3rd January 2026
45AQI (US)
45AQI (US)
4th January 2026
59AQI (US)
59AQI (US)
5th January 2026
111AQI (US)
111AQI (US)
6th January 2026
60AQI (US)
60AQI (US)
7th January 2026
51AQI (US)
51AQI (US)
8th January 2026
68AQI (US)
68AQI (US)
9th January 2026
96AQI (US)
96AQI (US)
10th January 2026
114AQI (US)
114AQI (US)
11th January 2026
106AQI (US)
106AQI (US)
12th January 2026
142AQI (US)
142AQI (US)
13th January 2026
124AQI (US)
124AQI (US)
14th January 2026
124AQI (US)
124AQI (US)
15th January 2026
140AQI (US)
140AQI (US)
16th January 2026
133AQI (US)
133AQI (US)
17th January 2026
131AQI (US)
131AQI (US)
18th January 2026
127AQI (US)
127AQI (US)
19th January 2026
115AQI (US)
115AQI (US)
20th January 2026
119AQI (US)
119AQI (US)
21st January 2026
100AQI (US)
100AQI (US)
22nd January 2026
71AQI (US)
71AQI (US)
23rd January 2026
51AQI (US)
51AQI (US)
24th January 2026
79AQI (US)
79AQI (US)
25th January 2026
100AQI (US)
100AQI (US)
26th January 2026
106AQI (US)
106AQI (US)
27th January 2026
88AQI (US)
88AQI (US)
28th January 2026
84AQI (US)
84AQI (US)
29th January 2026
97AQI (US)
97AQI (US)
30th January 2026
118AQI (US)
118AQI (US)
31st January 2026
108AQI (US)
108AQI (US)
1st February 2026
80AQI (US)
80AQI (US)
2nd February 2026
72AQI (US)
72AQI (US)
3rd February 2026
58AQI (US)
58AQI (US)
4th February 2026
79AQI (US)
79AQI (US)
5th February 2026
97AQI (US)
97AQI (US)
6th February 2026
98AQI (US)
98AQI (US)
7th February 2026
108AQI (US)
108AQI (US)
8th February 2026
74AQI (US)
74AQI (US)
9th February 2026
25AQI (US)
25AQI (US)
10th February 2026
66AQI (US)
66AQI (US)
11th February 2026
77AQI (US)
77AQI (US)
12th February 2026
75AQI (US)
75AQI (US)
13th February 2026
88AQI (US)
88AQI (US)
14th February 2026
90AQI (US)
90AQI (US)
15th February 2026
93AQI (US)
93AQI (US)
16th February 2026
107AQI (US)
107AQI (US)
17th February 2026
80AQI (US)
80AQI (US)
18th February 2026
50AQI (US)
50AQI (US)
19th February 2026
32AQI (US)
32AQI (US)
20th February 2026
39AQI (US)
39AQI (US)
21st February 2026
81AQI (US)
81AQI (US)
22nd February 2026
128AQI (US)
128AQI (US)
23rd February 2026
124AQI (US)
124AQI (US)
24th February 2026
108AQI (US)
108AQI (US)
25th February 2026
65AQI (US)
65AQI (US)
26th February 2026
61AQI (US)
61AQI (US)
27th February 2026
69AQI (US)
69AQI (US)
28th February 2026
65AQI (US)
65AQI (US)
1st March 2026
81AQI (US)
81AQI (US)
2nd March 2026
92AQI (US)
92AQI (US)
3rd March 2026
108AQI (US)
108AQI (US)
4th March 2026
88AQI (US)
88AQI (US)
5th March 2026
58AQI (US)
58AQI (US)
6th March 2026
52AQI (US)
52AQI (US)
7th March 2026
50AQI (US)
50AQI (US)
8th March 2026
53AQI (US)
53AQI (US)
9th March 2026
75AQI (US)
75AQI (US)
10th March 2026
38AQI (US)
38AQI (US)
11th March 2026
88AQI (US)
88AQI (US)
12th March 2026
72AQI (US)
72AQI (US)
13th March 2026
96AQI (US)
96AQI (US)
14th March 2026
74AQI (US)
74AQI (US)
15th March 2026
62AQI (US)
62AQI (US)
16th March 2026
73AQI (US)
73AQI (US)
17th March 2026
84AQI (US)
84AQI (US)
18th March 2026
112AQI (US)
112AQI (US)
19th March 2026
115AQI (US)
115AQI (US)
20th March 2026
114AQI (US)
114AQI (US)
21st March 2026
107AQI (US)
107AQI (US)
22nd March 2026
115AQI (US)
115AQI (US)
23rd March 2026
104AQI (US)
104AQI (US)
24th March 2026
120AQI (US)
120AQI (US)
25th March 2026
112AQI (US)
112AQI (US)
26th March 2026
109AQI (US)
109AQI (US)
27th March 2026
143AQI (US)
143AQI (US)
28th March 2026
139AQI (US)
139AQI (US)
29th March 2026
117AQI (US)
117AQI (US)
30th March 2026
135AQI (US)
135AQI (US)
31st March 2026
144AQI (US)
144AQI (US)
1st April 2026
160AQI (US)
160AQI (US)
2nd April 2026
159AQI (US)
159AQI (US)
3rd April 2026
157AQI (US)
157AQI (US)
4th April 2026
160AQI (US)
160AQI (US)
5th April 2026
165AQI (US)
165AQI (US)
6th April 2026
164AQI (US)
164AQI (US)
7th April 2026
161AQI (US)
161AQI (US)
8th April 2026
154AQI (US)
154AQI (US)
9th April 2026
151AQI (US)
151AQI (US)
10th April 2026
147AQI (US)
147AQI (US)
11th April 2026
143AQI (US)
143AQI (US)
12th April 2026
148AQI (US)
148AQI (US)
13th April 2026
156AQI (US)
156AQI (US)
14th April 2026
152AQI (US)
152AQI (US)
15th April 2026
149AQI (US)
149AQI (US)
16th April 2026
150AQI (US)
150AQI (US)
17th April 2026
18th April 2026
133AQI (US)
133AQI (US)
19th April 2026
121AQI (US)
121AQI (US)
20th April 2026
104AQI (US)
104AQI (US)
21st April 2026
127AQI (US)
127AQI (US)
22nd April 2026
23rd April 2026
135AQI (US)
135AQI (US)
24th April 2026
83AQI (US)
83AQI (US)
25th April 2026
67AQI (US)
67AQI (US)
26th April 2026
75AQI (US)
75AQI (US)
27th April 2026
92AQI (US)
92AQI (US)
28th April 2026
88AQI (US)
88AQI (US)
29th April 2026
76AQI (US)
76AQI (US)
30th April 2026
66AQI (US)
66AQI (US)
1st May 2026
76AQI (US)
76AQI (US)
2nd May 2026
55AQI (US)
55AQI (US)
3rd May 2026
85AQI (US)
85AQI (US)
4th May 2026
61AQI (US)
61AQI (US)
5th May 2026
56AQI (US)
56AQI (US)
6th May 2026
60AQI (US)
60AQI (US)
7th May 2026
86AQI (US)
86AQI (US)
8th May 2026
68AQI (US)
68AQI (US)
9th May 2026
10th May 2026
57AQI (US)
57AQI (US)
11th May 2026
77AQI (US)
77AQI (US)
12th May 2026
79AQI (US)
79AQI (US)
13th May 2026
57AQI (US)
57AQI (US)
14th May 2026
52AQI (US)
52AQI (US)
15th May 2026
39AQI (US)
39AQI (US)
16th May 2026
87AQI (US)
87AQI (US)
17th May 2026
83AQI (US)
83AQI (US)
18th May 2026
74AQI (US)
74AQI (US)
19th May 2026
59AQI (US)
59AQI (US)
20th May 2026
70AQI (US)
70AQI (US)
21st May 2026
75AQI (US)
75AQI (US)
22nd May 2026
63AQI (US)
63AQI (US)
23rd May 2026
47AQI (US)
47AQI (US)
24th May 2026
55AQI (US)
55AQI (US)
25th May 2026
56AQI (US)
56AQI (US)
26th May 2026
45AQI (US)
45AQI (US)
27th May 2026
38AQI (US)
38AQI (US)
28th May 2026
57AQI (US)
57AQI (US)
29th May 2026
41AQI (US)
41AQI (US)
30th May 2026
43AQI (US)
43AQI (US)
31st May 2026
48AQI (US)
48AQI (US)
1st June 2026
70AQI (US)
70AQI (US)
2nd June 2026
70AQI (US)
70AQI (US)
3rd June 2026
74AQI (US)
74AQI (US)
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
98AQI (US)
78AQI (US)
95AQI (US)
130AQI (US)
62AQI (US)
71AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202692AQI (US)
1
14
16
4
19
5
2
14
15
7
10
11
7
23
3
14
80
46
11
Highest AQI (US) recorded in
April130AQI (US)
Lowest AQI (US) recorded in
May62AQI (US)
202574AQI (US)
10
21
21
7
14
10
7
24
6
13
18
22
8
25
6
16
15
26
4
4
27
6
19
5
1
13
17
113
179
66
7
Highest AQI (US) recorded in
January110AQI (US)
Lowest AQI (US) recorded in
September43AQI (US)
202476AQI (US)
16
15
2
21
6
1
9
3
22
8
7
24
7
23
14
17
24
7
4
5
17
1
27
3
2
26
3
64
190
54
6
Highest AQI (US) recorded in
February135AQI (US)
Lowest AQI (US) recorded in
September39AQI (US)
2023108AQI (US)
5
18
7
1
9
16
3
3
20
8
1
9
15
4
1
12
19
7
23
14
16
1
31
15
15
4
18
9
9
20
8
22
1
40
138
110
59
16
1
Highest AQI (US) recorded in
March186AQI (US)
Lowest AQI (US) recorded in
September52AQI (US)
2022123AQI (US)
3
1
7
22
1
1
4
18
8
1
11
43
10
Highest AQI (US) recorded in
October133AQI (US)
Lowest AQI (US) recorded in
November113AQI (US)
202055AQI (US)
1
1
Highest AQI (US) recorded in
October55AQI (US)
Lowest AQI (US) recorded in
October55AQI (US)
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
123AQI (US)Least Polluted Year Recorded
2020(Avg.)
55AQI (US)Vientiane's annual 2026 AQI (US) (92) shows an average percentage change of 14.5% (worsened AQI (US)) compared to previous years: 2020 (55), 2022 (123), 2023 (108), 2024 (76), 2025 (74).
