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+
November Air Quality Analysis
Vientiane, Viangchan, Laos
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
7th Nov 2022
162AQILowest AQI recorded on
8th Nov 2025
34AQISame Day Analysis (20th November ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 4th highest AQI at 45 of Good air quality, showing improvement over 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 21st Nov - 22nd Nov 2025
Vientiane, Viangchan, Laos
AQI
Day
Night
.
6 AM21st Nov 2025
5 PM
5 AM22nd Nov 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
11PM21st Nov
144AQI
Avg. Lowest Time
4PM21st Nov
45AQI
In the last 24 hours,
Vientiane's AQI reached its highest point of 144 at 11 PM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 21st Nov and 22nd Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Vientiane, Viangchan, Laos
OctNov
23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd
Day
Night
23rd Oct 2025646 AMAQI
23rd Oct 2025667 AMAQI
23rd Oct 2025688 AMAQI
23rd Oct 2025669 AMAQI
23rd Oct 20256410 AMAQI
23rd Oct 20257011 AMAQI
23rd Oct 20256512 PMAQI
23rd Oct 2025571 PMAQI
23rd Oct 2025552 PMAQI
23rd Oct 2025583 PMAQI
23rd Oct 2025564 PMAQI
23rd Oct 2025455 PMAQI
23rd Oct 2025306 PMAQI
23rd Oct 2025307 PMAQI
23rd Oct 2025368 PMAQI
23rd Oct 2025349 PMAQI
23rd Oct 20253610 PMAQI
23rd Oct 20254011 PMAQI
24th Oct 20253212 AMAQI
24th Oct 2025371 AMAQI
24th Oct 2025322 AMAQI
24th Oct 2025243 AMAQI
24th Oct 2025234 AMAQI
24th Oct 2025275 AMAQI
23°C20/28°C
24th Oct 2025276 AMAQI
24th Oct 2025367 AMAQI
24th Oct 2025468 AMAQI
24th Oct 2025439 AMAQI
24th Oct 20253410 AMAQI
24th Oct 20252811 AMAQI
24th Oct 20253112 PMAQI
24th Oct 2025351 PMAQI
24th Oct 2025342 PMAQI
24th Oct 2025273 PMAQI
24th Oct 2025254 PMAQI
24th Oct 2025235 PMAQI
24th Oct 2025316 PMAQI
24th Oct 2025447 PMAQI
24th Oct 2025558 PMAQI
24th Oct 2025629 PMAQI
24th Oct 20255910 PMAQI
24th Oct 20255811 PMAQI
25th Oct 20255412 AMAQI
25th Oct 2025471 AMAQI
25th Oct 2025382 AMAQI
25th Oct 2025343 AMAQI
25th Oct 2025294 AMAQI
25th Oct 2025305 AMAQI
22°C20/26°C
25th Oct 2025366 AMAQI
25th Oct 2025547 AMAQI
25th Oct 2025578 AMAQI
25th Oct 2025629 AMAQI
25th Oct 20254510 AMAQI
25th Oct 20253411 AMAQI
25th Oct 20253712 PMAQI
25th Oct 2025371 PMAQI
25th Oct 2025372 PMAQI
25th Oct 2025383 PMAQI
25th Oct 2025384 PMAQI
25th Oct 2025405 PMAQI
25th Oct 2025506 PMAQI
25th Oct 2025537 PMAQI
25th Oct 2025508 PMAQI
25th Oct 2025569 PMAQI
25th Oct 20255310 PMAQI
25th Oct 20255111 PMAQI
26th Oct 20254412 AMAQI
26th Oct 2025401 AMAQI
26th Oct 2025472 AMAQI
26th Oct 2025473 AMAQI
26th Oct 2025424 AMAQI
26th Oct 2025435 AMAQI
24°C19/29°C
26th Oct 2025556 AMAQI
26th Oct 2025637 AMAQI
26th Oct 2025688 AMAQI
26th Oct 2025649 AMAQI
26th Oct 20255310 AMAQI
26th Oct 20255811 AMAQI
26th Oct 20255612 PMAQI
26th Oct 2025561 PMAQI
26th Oct 2025542 PMAQI
26th Oct 2025553 PMAQI
26th Oct 2025464 PMAQI
26th Oct 2025485 PMAQI
26th Oct 2025546 PMAQI
26th Oct 2025537 PMAQI
26th Oct 2025578 PMAQI
26th Oct 2025619 PMAQI
26th Oct 20256310 PMAQI
26th Oct 20256111 PMAQI
27th Oct 20255912 AMAQI
27th Oct 2025601 AMAQI
27th Oct 2025582 AMAQI
27th Oct 2025563 AMAQI
27th Oct 2025564 AMAQI
27th Oct 2025635 AMAQI
24°C20/29°C
27th Oct 2025636 AMAQI
27th Oct 2025697 AMAQI
27th Oct 2025788 AMAQI
27th Oct 2025779 AMAQI
27th Oct 20257110 AMAQI
27th Oct 20257111 AMAQI
27th Oct 20256912 PMAQI
27th Oct 2025671 PMAQI
27th Oct 2025612 PMAQI
27th Oct 2025593 PMAQI
27th Oct 2025594 PMAQI
27th Oct 2025585 PMAQI
27th Oct 2025676 PMAQI
27th Oct 2025717 PMAQI
27th Oct 2025638 PMAQI
27th Oct 2025659 PMAQI
27th Oct 20256710 PMAQI
27th Oct 20257411 PMAQI
28th Oct 20257012 AMAQI
28th Oct 2025701 AMAQI
28th Oct 2025702 AMAQI
28th Oct 2025693 AMAQI
28th Oct 2025704 AMAQI
28th Oct 2025715 AMAQI
24°C20/29°C
28th Oct 2025736 AMAQI
28th Oct 2025797 AMAQI
28th Oct 2025828 AMAQI
28th Oct 2025839 AMAQI
28th Oct 20258910 AMAQI
28th Oct 20258911 AMAQI
28th Oct 20258412 PMAQI
28th Oct 2025771 PMAQI
28th Oct 2025642 PMAQI
28th Oct 2025613 PMAQI
28th Oct 2025664 PMAQI
28th Oct 2025675 PMAQI
28th Oct 2025696 PMAQI
28th Oct 2025717 PMAQI
28th Oct 2025688 PMAQI
28th Oct 2025679 PMAQI
28th Oct 20256710 PMAQI
28th Oct 20256411 PMAQI
29th Oct 20256512 AMAQI
29th Oct 2025641 AMAQI
29th Oct 2025662 AMAQI
29th Oct 2025663 AMAQI
29th Oct 2025684 AMAQI
29th Oct 2025695 AMAQI
24°C21/28°C
29th Oct 2025706 AMAQI
29th Oct 2025727 AMAQI
29th Oct 2025728 AMAQI
29th Oct 2025729 AMAQI
29th Oct 20257510 AMAQI
29th Oct 20257711 AMAQI
29th Oct 20257712 PMAQI
29th Oct 2025671 PMAQI
29th Oct 2025612 PMAQI
29th Oct 2025613 PMAQI
29th Oct 2025614 PMAQI
29th Oct 2025585 PMAQI
29th Oct 2025646 PMAQI
29th Oct 2025737 PMAQI
29th Oct 2025758 PMAQI
29th Oct 2025749 PMAQI
29th Oct 20257310 PMAQI
29th Oct 20256511 PMAQI
30th Oct 20255512 AMAQI
30th Oct 2025541 AMAQI
30th Oct 2025542 AMAQI
30th Oct 2025523 AMAQI
30th Oct 2025504 AMAQI
30th Oct 2025525 AMAQI
25°C21/31°C
30th Oct 2025566 AMAQI
30th Oct 2025667 AMAQI
30th Oct 2025778 AMAQI
30th Oct 2025809 AMAQI
30th Oct 20257810 AMAQI
30th Oct 20258011 AMAQI
30th Oct 20257712 PMAQI
30th Oct 2025701 PMAQI
30th Oct 2025662 PMAQI
30th Oct 2025623 PMAQI
30th Oct 2025564 PMAQI
30th Oct 2025405 PMAQI
30th Oct 2025336 PMAQI
30th Oct 2025337 PMAQI
30th Oct 2025428 PMAQI
30th Oct 2025539 PMAQI
30th Oct 20255210 PMAQI
30th Oct 20254811 PMAQI
31st Oct 20254812 AMAQI
31st Oct 2025501 AMAQI
31st Oct 2025452 AMAQI
31st Oct 2025413 AMAQI
31st Oct 2025434 AMAQI
31st Oct 2025415 AMAQI
23°C22/25°C
31st Oct 2025396 AMAQI
31st Oct 2025437 AMAQI
31st Oct 2025488 AMAQI
31st Oct 2025499 AMAQI
31st Oct 20253410 AMAQI
31st Oct 20254811 AMAQI
31st Oct 20254312 PMAQI
31st Oct 2025301 PMAQI
31st Oct 2025272 PMAQI
31st Oct 2025253 PMAQI
31st Oct 2025314 PMAQI
31st Oct 2025325 PMAQI
31st Oct 2025356 PMAQI
31st Oct 2025437 PMAQI
31st Oct 2025598 PMAQI
31st Oct 2025649 PMAQI
31st Oct 20256910 PMAQI
31st Oct 20256811 PMAQI
1st Nov 20257012 AMAQI
1st Nov 2025681 AMAQI
1st Nov 2025582 AMAQI
1st Nov 2025483 AMAQI
1st Nov 2025444 AMAQI
1st Nov 2025435 AMAQI
24°C22/27°C
1st Nov 2025426 AMAQI
1st Nov 2025457 AMAQI
1st Nov 2025338 AMAQI
1st Nov 2025359 AMAQI
1st Nov 20253610 AMAQI
1st Nov 20253611 AMAQI
1st Nov 20253312 PMAQI
1st Nov 2025281 PMAQI
1st Nov 2025302 PMAQI
1st Nov 2025253 PMAQI
1st Nov 2025234 PMAQI
1st Nov 2025435 PMAQI
1st Nov 2025376 PMAQI
1st Nov 2025367 PMAQI
1st Nov 2025328 PMAQI
1st Nov 2025299 PMAQI
1st Nov 20253210 PMAQI
1st Nov 20253211 PMAQI
2nd Nov 20253212 AMAQI
2nd Nov 2025291 AMAQI
2nd Nov 2025352 AMAQI
2nd Nov 2025343 AMAQI
2nd Nov 2025274 AMAQI
2nd Nov 2025285 AMAQI
24°C22/28°C
2nd Nov 2025416 AMAQI
2nd Nov 2025457 AMAQI
2nd Nov 2025348 AMAQI
2nd Nov 2025379 AMAQI
2nd Nov 20255310 AMAQI
2nd Nov 20254711 AMAQI
2nd Nov 20254312 PMAQI
2nd Nov 2025421 PMAQI
2nd Nov 2025282 PMAQI
2nd Nov 2025223 PMAQI
2nd Nov 2025234 PMAQI
2nd Nov 2025245 PMAQI
2nd Nov 2025306 PMAQI
2nd Nov 2025387 PMAQI
2nd Nov 2025458 PMAQI
2nd Nov 2025589 PMAQI
2nd Nov 20255210 PMAQI
2nd Nov 20254811 PMAQI
3rd Nov 20254112 AMAQI
3rd Nov 2025421 AMAQI
3rd Nov 2025452 AMAQI
3rd Nov 2025373 AMAQI
3rd Nov 2025304 AMAQI
3rd Nov 2025265 AMAQI
23°C21/27°C
3rd Nov 2025256 AMAQI
3rd Nov 2025287 AMAQI
3rd Nov 2025288 AMAQI
3rd Nov 2025289 AMAQI
3rd Nov 20252810 AMAQI
3rd Nov 20252611 AMAQI
3rd Nov 20252712 PMAQI
3rd Nov 2025281 PMAQI
3rd Nov 2025282 PMAQI
3rd Nov 2025273 PMAQI
3rd Nov 2025284 PMAQI
3rd Nov 2025395 PMAQI
3rd Nov 2025316 PMAQI
3rd Nov 2025347 PMAQI
3rd Nov 2025478 PMAQI
3rd Nov 2025429 PMAQI
3rd Nov 20253910 PMAQI
3rd Nov 20255011 PMAQI
4th Nov 20255512 AMAQI
4th Nov 2025541 AMAQI
4th Nov 2025372 AMAQI
4th Nov 2025253 AMAQI
4th Nov 2025314 AMAQI
4th Nov 2025265 AMAQI
22°C20/25°C
4th Nov 2025236 AMAQI
4th Nov 2025387 AMAQI
4th Nov 2025478 AMAQI
4th Nov 2025469 AMAQI
4th Nov 20253810 AMAQI
4th Nov 20254211 AMAQI
4th Nov 20255412 PMAQI
4th Nov 2025351 PMAQI
4th Nov 2025302 PMAQI
4th Nov 2025383 PMAQI
4th Nov 2025404 PMAQI
4th Nov 2025445 PMAQI
4th Nov 2025406 PMAQI
4th Nov 2025487 PMAQI
4th Nov 2025378 PMAQI
4th Nov 2025309 PMAQI
4th Nov 20253610 PMAQI
4th Nov 20253411 PMAQI
5th Nov 20254012 AMAQI
5th Nov 2025331 AMAQI
5th Nov 2025302 AMAQI
5th Nov 2025333 AMAQI
5th Nov 2025324 AMAQI
5th Nov 2025295 AMAQI
21°C20/22°C
5th Nov 2025306 AMAQI
5th Nov 2025347 AMAQI
5th Nov 2025388 AMAQI
5th Nov 2025299 AMAQI
5th Nov 20252110 AMAQI
5th Nov 20253811 AMAQI
5th Nov 20255412 PMAQI
5th Nov 2025551 PMAQI
5th Nov 2025582 PMAQI
5th Nov 2025663 PMAQI
5th Nov 2025694 PMAQI
5th Nov 2025635 PMAQI
5th Nov 2025616 PMAQI
5th Nov 2025657 PMAQI
5th Nov 2025728 PMAQI
5th Nov 2025859 PMAQI
5th Nov 202511110 PMAQI
5th Nov 202513111 PMAQI
6th Nov 202512712 AMAQI
6th Nov 20251271 AMAQI
6th Nov 20251042 AMAQI
6th Nov 20251003 AMAQI
6th Nov 20251054 AMAQI
6th Nov 20251115 AMAQI
22°C21/24°C
6th Nov 20251076 AMAQI
6th Nov 2025987 AMAQI
6th Nov 2025828 AMAQI
6th Nov 2025809 AMAQI
6th Nov 20258210 AMAQI
6th Nov 20257611 AMAQI
6th Nov 20256412 PMAQI
6th Nov 2025581 PMAQI
6th Nov 2025542 PMAQI
6th Nov 2025533 PMAQI
6th Nov 2025524 PMAQI
6th Nov 2025545 PMAQI
6th Nov 2025586 PMAQI
6th Nov 2025627 PMAQI
6th Nov 2025708 PMAQI
6th Nov 2025769 PMAQI
6th Nov 20258610 PMAQI
6th Nov 20259511 PMAQI
7th Nov 20259712 AMAQI
7th Nov 20251081 AMAQI
7th Nov 20251282 AMAQI
7th Nov 20251353 AMAQI
7th Nov 20251384 AMAQI
7th Nov 20251435 AMAQI
25°C21/31°C
7th Nov 20251326 AMAQI
7th Nov 2025967 AMAQI
7th Nov 2025948 AMAQI
7th Nov 2025989 AMAQI
7th Nov 20259810 AMAQI
7th Nov 202510711 AMAQI
7th Nov 202512012 PMAQI
7th Nov 20251041 PMAQI
7th Nov 2025942 PMAQI
7th Nov 2025883 PMAQI
7th Nov 2025734 PMAQI
7th Nov 2025695 PMAQI
7th Nov 2025616 PMAQI
7th Nov 2025597 PMAQI
7th Nov 2025498 PMAQI
7th Nov 2025499 PMAQI
7th Nov 20254510 PMAQI
7th Nov 20254611 PMAQI
8th Nov 20254412 AMAQI
8th Nov 2025401 AMAQI
8th Nov 2025482 AMAQI
8th Nov 2025483 AMAQI
8th Nov 2025504 AMAQI
8th Nov 2025435 AMAQI
24°C22/29°C
8th Nov 2025346 AMAQI
8th Nov 2025217 AMAQI
8th Nov 2025228 AMAQI
8th Nov 2025219 AMAQI
8th Nov 20252110 AMAQI
8th Nov 20252011 AMAQI
8th Nov 20251812 PMAQI
8th Nov 2025201 PMAQI
8th Nov 2025212 PMAQI
8th Nov 2025193 PMAQI
8th Nov 2025204 PMAQI
8th Nov 2025305 PMAQI
8th Nov 2025266 PMAQI
8th Nov 2025277 PMAQI
8th Nov 2025288 PMAQI
8th Nov 2025359 PMAQI
8th Nov 20253910 PMAQI
8th Nov 20254211 PMAQI
9th Nov 20254312 AMAQI
9th Nov 2025411 AMAQI
9th Nov 2025442 AMAQI
9th Nov 2025513 AMAQI
9th Nov 2025494 AMAQI
9th Nov 2025505 AMAQI
23°C22/25°C
9th Nov 2025546 AMAQI
9th Nov 2025547 AMAQI
9th Nov 2025548 AMAQI
9th Nov 2025519 AMAQI
9th Nov 20254510 AMAQI
9th Nov 20253911 AMAQI
9th Nov 20253512 PMAQI
9th Nov 2025401 PMAQI
9th Nov 2025452 PMAQI
9th Nov 2025513 PMAQI
9th Nov 2025454 PMAQI
9th Nov 2025475 PMAQI
9th Nov 2025456 PMAQI
9th Nov 2025497 PMAQI
9th Nov 2025568 PMAQI
9th Nov 2025659 PMAQI
9th Nov 20257810 PMAQI
9th Nov 20258711 PMAQI
10th Nov 20258812 AMAQI
10th Nov 2025891 AMAQI
10th Nov 2025842 AMAQI
10th Nov 2025783 AMAQI
10th Nov 2025684 AMAQI
10th Nov 2025705 AMAQI
25°C21/29°C
10th Nov 2025736 AMAQI
10th Nov 2025687 AMAQI
10th Nov 2025728 AMAQI
10th Nov 2025719 AMAQI
10th Nov 20256210 AMAQI
10th Nov 20255611 AMAQI
10th Nov 20255412 PMAQI
10th Nov 2025541 PMAQI
10th Nov 2025522 PMAQI
10th Nov 2025523 PMAQI
10th Nov 2025414 PMAQI
10th Nov 2025485 PMAQI
10th Nov 2025556 PMAQI
10th Nov 2025627 PMAQI
10th Nov 2025748 PMAQI
10th Nov 2025829 PMAQI
10th Nov 20258410 PMAQI
10th Nov 202511011 PMAQI
11th Nov 202511712 AMAQI
11th Nov 2025901 AMAQI
11th Nov 2025882 AMAQI
11th Nov 2025803 AMAQI
11th Nov 2025544 AMAQI
11th Nov 2025585 AMAQI
25°C22/30°C
11th Nov 2025636 AMAQI
11th Nov 2025587 AMAQI
11th Nov 2025628 AMAQI
11th Nov 2025659 AMAQI
11th Nov 20256810 AMAQI
11th Nov 20256811 AMAQI
11th Nov 20256512 PMAQI
11th Nov 2025711 PMAQI
11th Nov 2025692 PMAQI
11th Nov 2025643 PMAQI
11th Nov 2025634 PMAQI
11th Nov 2025635 PMAQI
11th Nov 2025616 PMAQI
11th Nov 2025677 PMAQI
11th Nov 2025808 PMAQI
11th Nov 2025989 PMAQI
11th Nov 202511310 PMAQI
11th Nov 202512311 PMAQI
12th Nov 202513712 AMAQI
12th Nov 20251321 AMAQI
12th Nov 20251232 AMAQI
12th Nov 2025963 AMAQI
12th Nov 2025894 AMAQI
12th Nov 2025865 AMAQI
25°C22/29°C
12th Nov 2025836 AMAQI
12th Nov 2025757 AMAQI
12th Nov 2025778 AMAQI
12th Nov 2025719 AMAQI
12th Nov 20254710 AMAQI
12th Nov 20254211 AMAQI
12th Nov 20253412 PMAQI
12th Nov 2025331 PMAQI
12th Nov 2025212 PMAQI
12th Nov 2025193 PMAQI
12th Nov 2025224 PMAQI
12th Nov 2025245 PMAQI
12th Nov 2025326 PMAQI
12th Nov 2025437 PMAQI
12th Nov 2025488 PMAQI
12th Nov 2025509 PMAQI
12th Nov 20255310 PMAQI
12th Nov 20255611 PMAQI
13th Nov 20255612 AMAQI
13th Nov 2025571 AMAQI
13th Nov 2025612 AMAQI
13th Nov 2025613 AMAQI
13th Nov 2025604 AMAQI
13th Nov 2025525 AMAQI
25°C23/28°C
13th Nov 2025466 AMAQI
13th Nov 2025507 AMAQI
13th Nov 2025488 AMAQI
13th Nov 2025489 AMAQI
13th Nov 20255210 AMAQI
13th Nov 20254411 AMAQI
13th Nov 20253912 PMAQI
13th Nov 2025371 PMAQI
13th Nov 2025342 PMAQI
13th Nov 2025403 PMAQI
13th Nov 2025444 PMAQI
13th Nov 2025485 PMAQI
13th Nov 2025626 PMAQI
13th Nov 2025687 PMAQI
13th Nov 2025718 PMAQI
13th Nov 2025719 PMAQI
13th Nov 20257610 PMAQI
13th Nov 20257911 PMAQI
14th Nov 20258112 AMAQI
14th Nov 2025851 AMAQI
14th Nov 2025832 AMAQI
14th Nov 2025753 AMAQI
14th Nov 2025674 AMAQI
14th Nov 2025705 AMAQI
23°C21/26°C
14th Nov 2025686 AMAQI
14th Nov 2025747 AMAQI
14th Nov 2025738 AMAQI
14th Nov 2025699 AMAQI
14th Nov 20256410 AMAQI
14th Nov 20256411 AMAQI
14th Nov 20256012 PMAQI
14th Nov 2025601 PMAQI
14th Nov 2025572 PMAQI
14th Nov 2025563 PMAQI
14th Nov 2025584 PMAQI
14th Nov 2025595 PMAQI
14th Nov 2025696 PMAQI
14th Nov 2025747 PMAQI
14th Nov 2025818 PMAQI
14th Nov 2025859 PMAQI
14th Nov 20259410 PMAQI
14th Nov 20259711 PMAQI
15th Nov 20259612 AMAQI
15th Nov 2025971 AMAQI
15th Nov 2025992 AMAQI
15th Nov 2025983 AMAQI
15th Nov 2025984 AMAQI
15th Nov 2025985 AMAQI
22°C20/25°C
15th Nov 20251046 AMAQI
15th Nov 20251017 AMAQI
15th Nov 2025868 AMAQI
15th Nov 2025819 AMAQI
15th Nov 20258310 AMAQI
15th Nov 20259111 AMAQI
15th Nov 20258712 PMAQI
15th Nov 2025831 PMAQI
15th Nov 2025822 PMAQI
15th Nov 2025783 PMAQI
15th Nov 2025734 PMAQI
15th Nov 2025685 PMAQI
15th Nov 2025786 PMAQI
15th Nov 2025787 PMAQI
15th Nov 2025858 PMAQI
15th Nov 2025819 PMAQI
15th Nov 20257910 PMAQI
15th Nov 20257611 PMAQI
16th Nov 20257512 AMAQI
16th Nov 2025701 AMAQI
16th Nov 2025682 AMAQI
16th Nov 2025693 AMAQI
16th Nov 2025674 AMAQI
16th Nov 2025665 AMAQI
22°C18/28°C
16th Nov 2025656 AMAQI
16th Nov 2025707 AMAQI
16th Nov 2025748 AMAQI
16th Nov 2025799 AMAQI
16th Nov 20257710 AMAQI
16th Nov 20257711 AMAQI
16th Nov 20257512 PMAQI
16th Nov 2025711 PMAQI
16th Nov 2025652 PMAQI
16th Nov 2025613 PMAQI
16th Nov 2025634 PMAQI
16th Nov 2025585 PMAQI
16th Nov 2025596 PMAQI
16th Nov 2025637 PMAQI
16th Nov 2025688 PMAQI
16th Nov 2025749 PMAQI
16th Nov 20258310 PMAQI
16th Nov 20257411 PMAQI
17th Nov 20256912 AMAQI
17th Nov 2025661 AMAQI
17th Nov 2025572 AMAQI
17th Nov 2025533 AMAQI
17th Nov 2025554 AMAQI
17th Nov 2025595 AMAQI
23°C18/29°C
17th Nov 2025646 AMAQI
17th Nov 2025697 AMAQI
17th Nov 2025718 AMAQI
17th Nov 2025729 AMAQI
17th Nov 20257110 AMAQI
17th Nov 20257011 AMAQI
17th Nov 20256212 PMAQI
17th Nov 2025601 PMAQI
17th Nov 2025652 PMAQI
17th Nov 2025643 PMAQI
17th Nov 2025724 PMAQI
17th Nov 2025705 PMAQI
17th Nov 2025736 PMAQI
17th Nov 2025787 PMAQI
17th Nov 2025798 PMAQI
17th Nov 2025859 PMAQI
17th Nov 20259110 PMAQI
17th Nov 20258511 PMAQI
18th Nov 20256912 AMAQI
18th Nov 2025681 AMAQI
18th Nov 2025572 AMAQI
18th Nov 2025523 AMAQI
18th Nov 2025534 AMAQI
18th Nov 2025565 AMAQI
21°C20/23°C
18th Nov 2025606 AMAQI
18th Nov 2025677 AMAQI
18th Nov 2025678 AMAQI
18th Nov 2025689 AMAQI
18th Nov 20256910 AMAQI
18th Nov 20257711 AMAQI
18th Nov 20258312 PMAQI
18th Nov 2025891 PMAQI
18th Nov 2025842 PMAQI
18th Nov 2025853 PMAQI
18th Nov 2025834 PMAQI
18th Nov 2025835 PMAQI
18th Nov 2025766 PMAQI
18th Nov 2025777 PMAQI
18th Nov 2025748 PMAQI
18th Nov 2025669 PMAQI
18th Nov 20256910 PMAQI
18th Nov 20256711 PMAQI
19th Nov 20256512 AMAQI
19th Nov 2025601 AMAQI
19th Nov 2025562 AMAQI
19th Nov 2025553 AMAQI
19th Nov 2025544 AMAQI
19th Nov 2025505 AMAQI
22°C21/25°C
19th Nov 2025446 AMAQI
19th Nov 2025497 AMAQI
19th Nov 2025488 AMAQI
19th Nov 2025459 AMAQI
19th Nov 20255610 AMAQI
19th Nov 20255711 AMAQI
19th Nov 20255212 PMAQI
19th Nov 2025321 PMAQI
19th Nov 2025402 PMAQI
19th Nov 2025423 PMAQI
19th Nov 2025374 PMAQI
19th Nov 2025375 PMAQI
19th Nov 2025366 PMAQI
19th Nov 2025387 PMAQI
19th Nov 2025388 PMAQI
19th Nov 2025369 PMAQI
19th Nov 20253110 PMAQI
19th Nov 20253011 PMAQI
20th Nov 20252612 AMAQI
20th Nov 2025281 AMAQI
20th Nov 2025292 AMAQI
20th Nov 2025323 AMAQI
20th Nov 2025334 AMAQI
20th Nov 2025345 AMAQI
19°C18/20°C
20th Nov 2025356 AMAQI
20th Nov 2025487 AMAQI
20th Nov 2025478 AMAQI
20th Nov 2025439 AMAQI
20th Nov 20255110 AMAQI
20th Nov 20255311 AMAQI
20th Nov 20255012 PMAQI
20th Nov 2025511 PMAQI
20th Nov 2025532 PMAQI
20th Nov 2025543 PMAQI
20th Nov 2025534 PMAQI
20th Nov 2025565 PMAQI
20th Nov 2025626 PMAQI
20th Nov 2025747 PMAQI
20th Nov 2025848 PMAQI
20th Nov 2025889 PMAQI
20th Nov 20259110 PMAQI
20th Nov 202512211 PMAQI
21st Nov 202511912 AMAQI
21st Nov 2025891 AMAQI
21st Nov 2025842 AMAQI
21st Nov 2025603 AMAQI
21st Nov 2025574 AMAQI
21st Nov 2025535 AMAQI
20°C17/24°C
21st Nov 2025526 AMAQI
21st Nov 2025577 AMAQI
21st Nov 2025578 AMAQI
21st Nov 2025579 AMAQI
21st Nov 20255910 AMAQI
21st Nov 20255711 AMAQI
21st Nov 20255412 PMAQI
21st Nov 2025521 PMAQI
21st Nov 2025482 PMAQI
21st Nov 2025473 PMAQI
21st Nov 2025454 PMAQI
21st Nov 2025495 PMAQI
21st Nov 2025516 PMAQI
21st Nov 2025597 PMAQI
21st Nov 2025758 PMAQI
21st Nov 2025789 PMAQI
21st Nov 20257410 PMAQI
21st Nov 202514411 PMAQI
22nd Nov 20258012 AMAQI
22nd Nov 2025711 AMAQI
22nd Nov 2025682 AMAQI
--°C/°C
6 AM
11 AM
5 PM
11 PM
5 AM
--°C/°C
Day time
Avg. Highest Time
7 AM - 9 AM
60AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
2 PM - 5 PM
50AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 9 AM (Avg. 60), while the lowest AQI was between 2 PM to 5 PM (Avg. 50).
Night time
Avg. Highest Time
11 PM
72AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
6 PM
51AQI
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. 72), while the lowest AQI was between 6 PM to 6 PM (Avg. 51).
2025 Days Vs Air Quality
Vientiane, Viangchan, Laos
2025
34%
111
50%
162
14%
44
2%
7
Total number of days with different AQI categories in last 325 days in 2025 (40 days remaining)
Good
111 DaysModerate
162 DaysPoor
44 DaysUnhealthy
7 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 34%
Health Risk Level:
High
In 2025, 34% of 325 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.
Annual Air Quality Insights
Vientiane, Viangchan, Laos
AQI levels in 2025
AQI
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 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
88AQI
88AQI
2nd January 2025
87AQI
87AQI
3rd January 2025
90AQI
90AQI
4th January 2025
107AQI
107AQI
5th January 2025
111AQI
111AQI
6th January 2025
122AQI
122AQI
7th January 2025
130AQI
130AQI
8th January 2025
122AQI
122AQI
9th January 2025
120AQI
120AQI
10th January 2025
90AQI
90AQI
11th January 2025
90AQI
90AQI
12th January 2025
99AQI
99AQI
13th January 2025
109AQI
109AQI
14th January 2025
120AQI
120AQI
15th January 2025
103AQI
103AQI
16th January 2025
92AQI
92AQI
17th January 2025
107AQI
107AQI
18th January 2025
117AQI
117AQI
19th January 2025
117AQI
117AQI
20th January 2025
124AQI
124AQI
21st January 2025
124AQI
124AQI
22nd January 2025
133AQI
133AQI
23rd January 2025
137AQI
137AQI
24th January 2025
141AQI
141AQI
25th January 2025
140AQI
140AQI
26th January 2025
104AQI
104AQI
27th January 2025
84AQI
84AQI
28th January 2025
87AQI
87AQI
29th January 2025
98AQI
98AQI
30th January 2025
104AQI
104AQI
31st January 2025
118AQI
118AQI
1st February 2025
123AQI
123AQI
2nd February 2025
129AQI
129AQI
3rd February 2025
113AQI
113AQI
4th February 2025
88AQI
88AQI
5th February 2025
92AQI
92AQI
6th February 2025
107AQI
107AQI
7th February 2025
96AQI
96AQI
8th February 2025
76AQI
76AQI
9th February 2025
78AQI
78AQI
10th February 2025
83AQI
83AQI
11th February 2025
90AQI
90AQI
12th February 2025
110AQI
110AQI
13th February 2025
97AQI
97AQI
14th February 2025
99AQI
99AQI
15th February 2025
101AQI
101AQI
16th February 2025
121AQI
121AQI
17th February 2025
99AQI
99AQI
18th February 2025
95AQI
95AQI
19th February 2025
88AQI
88AQI
20th February 2025
98AQI
98AQI
21st February 2025
87AQI
87AQI
22nd February 2025
86AQI
86AQI
23rd February 2025
70AQI
70AQI
24th February 2025
65AQI
65AQI
25th February 2025
61AQI
61AQI
26th February 2025
56AQI
56AQI
27th February 2025
69AQI
69AQI
28th February 2025
83AQI
83AQI
1st March 2025
82AQI
82AQI
2nd March 2025
85AQI
85AQI
3rd March 2025
100AQI
100AQI
4th March 2025
118AQI
118AQI
5th March 2025
114AQI
114AQI
6th March 2025
113AQI
113AQI
7th March 2025
78AQI
78AQI
8th March 2025
77AQI
77AQI
9th March 2025
83AQI
83AQI
10th March 2025
71AQI
71AQI
11th March 2025
87AQI
87AQI
12th March 2025
99AQI
99AQI
13th March 2025
79AQI
79AQI
14th March 2025
85AQI
85AQI
15th March 2025
104AQI
104AQI
16th March 2025
86AQI
86AQI
17th March 2025
82AQI
82AQI
18th March 2025
82AQI
82AQI
19th March 2025
101AQI
101AQI
20th March 2025
103AQI
103AQI
21st March 2025
126AQI
126AQI
22nd March 2025
137AQI
137AQI
23rd March 2025
152AQI
152AQI
24th March 2025
158AQI
158AQI
25th March 2025
161AQI
161AQI
26th March 2025
159AQI
159AQI
27th March 2025
152AQI
152AQI
28th March 2025
154AQI
154AQI
29th March 2025
151AQI
151AQI
30th March 2025
128AQI
128AQI
31st March 2025
115AQI
115AQI
1st April 2025
107AQI
107AQI
2nd April 2025
120AQI
120AQI
3rd April 2025
131AQI
131AQI
4th April 2025
132AQI
132AQI
5th April 2025
128AQI
128AQI
6th April 2025
105AQI
105AQI
7th April 2025
100AQI
100AQI
8th April 2025
95AQI
95AQI
9th April 2025
92AQI
92AQI
10th April 2025
83AQI
83AQI
11th April 2025
86AQI
86AQI
12th April 2025
74AQI
74AQI
13th April 2025
65AQI
65AQI
14th April 2025
75AQI
75AQI
15th April 2025
69AQI
69AQI
16th April 2025
72AQI
72AQI
17th April 2025
65AQI
65AQI
18th April 2025
64AQI
64AQI
19th April 2025
65AQI
65AQI
20th April 2025
66AQI
66AQI
21st April 2025
69AQI
69AQI
22nd April 2025
76AQI
76AQI
23rd April 2025
81AQI
81AQI
24th April 2025
86AQI
86AQI
25th April 2025
90AQI
90AQI
26th April 2025
88AQI
88AQI
27th April 2025
77AQI
77AQI
28th April 2025
78AQI
78AQI
29th April 2025
73AQI
73AQI
30th April 2025
77AQI
77AQI
1st May 2025
76AQI
76AQI
2nd May 2025
78AQI
78AQI
3rd May 2025
73AQI
73AQI
4th May 2025
84AQI
84AQI
5th May 2025
89AQI
89AQI
6th May 2025
80AQI
80AQI
7th May 2025
88AQI
88AQI
8th May 2025
73AQI
73AQI
9th May 2025
65AQI
65AQI
10th May 2025
71AQI
71AQI
11th May 2025
53AQI
53AQI
12th May 2025
45AQI
45AQI
13th May 2025
65AQI
65AQI
14th May 2025
65AQI
65AQI
15th May 2025
49AQI
49AQI
16th May 2025
46AQI
46AQI
17th May 2025
54AQI
54AQI
18th May 2025
48AQI
48AQI
19th May 2025
52AQI
52AQI
20th May 2025
50AQI
50AQI
21st May 2025
58AQI
58AQI
22nd May 2025
53AQI
53AQI
23rd May 2025
56AQI
56AQI
24th May 2025
47AQI
47AQI
25th May 2025
44AQI
44AQI
26th May 2025
41AQI
41AQI
27th May 2025
41AQI
41AQI
28th May 2025
47AQI
47AQI
29th May 2025
44AQI
44AQI
30th May 2025
44AQI
44AQI
31st May 2025
42AQI
42AQI
1st June 2025
43AQI
43AQI
2nd June 2025
42AQI
42AQI
3rd June 2025
44AQI
44AQI
4th June 2025
57AQI
57AQI
5th June 2025
59AQI
59AQI
6th June 2025
62AQI
62AQI
7th June 2025
66AQI
66AQI
8th June 2025
62AQI
62AQI
9th June 2025
58AQI
58AQI
10th June 2025
58AQI
58AQI
11th June 2025
49AQI
49AQI
12th June 2025
45AQI
45AQI
13th June 2025
49AQI
49AQI
14th June 2025
51AQI
51AQI
15th June 2025
38AQI
38AQI
16th June 2025
39AQI
39AQI
17th June 2025
44AQI
44AQI
18th June 2025
48AQI
48AQI
19th June 2025
44AQI
44AQI
20th June 2025
44AQI
44AQI
21st June 2025
46AQI
46AQI
22nd June 2025
45AQI
45AQI
23rd June 2025
44AQI
44AQI
24th June 2025
45AQI
45AQI
25th June 2025
47AQI
47AQI
26th June 2025
49AQI
49AQI
27th June 2025
47AQI
47AQI
28th June 2025
44AQI
44AQI
29th June 2025
45AQI
45AQI
30th June 2025
46AQI
46AQI
1st July 2025
48AQI
48AQI
2nd July 2025
43AQI
43AQI
3rd July 2025
46AQI
46AQI
4th July 2025
47AQI
47AQI
5th July 2025
50AQI
50AQI
6th July 2025
44AQI
44AQI
7th July 2025
47AQI
47AQI
8th July 2025
51AQI
51AQI
9th July 2025
52AQI
52AQI
10th July 2025
54AQI
54AQI
11th July 2025
50AQI
50AQI
12th July 2025
52AQI
52AQI
13th July 2025
50AQI
50AQI
14th July 2025
52AQI
52AQI
15th July 2025
53AQI
53AQI
16th July 2025
46AQI
46AQI
17th July 2025
47AQI
47AQI
18th July 2025
42AQI
42AQI
19th July 2025
42AQI
42AQI
20th July 2025
40AQI
40AQI
21st July 2025
43AQI
43AQI
22nd July 2025
39AQI
39AQI
23rd July 2025
39AQI
39AQI
24th July 2025
42AQI
42AQI
25th July 2025
47AQI
47AQI
26th July 2025
50AQI
50AQI
27th July 2025
46AQI
46AQI
28th July 2025
46AQI
46AQI
29th July 2025
45AQI
45AQI
30th July 2025
48AQI
48AQI
31st July 2025
54AQI
54AQI
1st August 2025
58AQI
58AQI
2nd August 2025
56AQI
56AQI
3rd August 2025
58AQI
58AQI
4th August 2025
57AQI
57AQI
5th August 2025
56AQI
56AQI
6th August 2025
54AQI
54AQI
7th August 2025
50AQI
50AQI
8th August 2025
48AQI
48AQI
9th August 2025
43AQI
43AQI
10th August 2025
41AQI
41AQI
11th August 2025
40AQI
40AQI
12th August 2025
49AQI
49AQI
13th August 2025
50AQI
50AQI
14th August 2025
52AQI
52AQI
15th August 2025
49AQI
49AQI
16th August 2025
47AQI
47AQI
17th August 2025
45AQI
45AQI
18th August 2025
48AQI
48AQI
19th August 2025
50AQI
50AQI
20th August 2025
51AQI
51AQI
21st August 2025
56AQI
56AQI
22nd August 2025
55AQI
55AQI
23rd August 2025
53AQI
53AQI
24th August 2025
51AQI
51AQI
25th August 2025
53AQI
53AQI
26th August 2025
47AQI
47AQI
27th August 2025
48AQI
48AQI
28th August 2025
50AQI
50AQI
29th August 2025
53AQI
53AQI
30th August 2025
51AQI
51AQI
31st August 2025
48AQI
48AQI
1st September 2025
47AQI
47AQI
2nd September 2025
48AQI
48AQI
3rd September 2025
53AQI
53AQI
4th September 2025
45AQI
45AQI
5th September 2025
51AQI
51AQI
6th September 2025
51AQI
51AQI
7th September 2025
52AQI
52AQI
8th September 2025
51AQI
51AQI
9th September 2025
46AQI
46AQI
10th September 2025
47AQI
47AQI
11th September 2025
48AQI
48AQI
12th September 2025
49AQI
49AQI
13th September 2025
50AQI
50AQI
14th September 2025
49AQI
49AQI
15th September 2025
49AQI
49AQI
16th September 2025
47AQI
47AQI
17th September 2025
49AQI
49AQI
18th September 2025
43AQI
43AQI
19th September 2025
37AQI
37AQI
20th September 2025
35AQI
35AQI
21st September 2025
37AQI
37AQI
22nd September 2025
34AQI
34AQI
23rd September 2025
29AQI
29AQI
24th September 2025
28AQI
28AQI
25th September 2025
28AQI
28AQI
26th September 2025
21AQI
21AQI
27th September 2025
32AQI
32AQI
28th September 2025
42AQI
42AQI
29th September 2025
41AQI
41AQI
30th September 2025
41AQI
41AQI
1st October 2025
46AQI
46AQI
2nd October 2025
71AQI
71AQI
3rd October 2025
85AQI
85AQI
4th October 2025
67AQI
67AQI
5th October 2025
60AQI
60AQI
6th October 2025
60AQI
60AQI
7th October 2025
68AQI
68AQI
8th October 2025
65AQI
65AQI
9th October 2025
72AQI
72AQI
10th October 2025
84AQI
84AQI
11th October 2025
93AQI
93AQI
12th October 2025
87AQI
87AQI
13th October 2025
70AQI
70AQI
14th October 2025
58AQI
58AQI
15th October 2025
55AQI
55AQI
16th October 2025
62AQI
62AQI
17th October 2025
76AQI
76AQI
18th October 2025
90AQI
90AQI
19th October 2025
77AQI
77AQI
20th October 2025
79AQI
79AQI
21st October 2025
82AQI
82AQI
22nd October 2025
65AQI
65AQI
23rd October 2025
54AQI
54AQI
24th October 2025
37AQI
37AQI
25th October 2025
46AQI
46AQI
26th October 2025
52AQI
52AQI
27th October 2025
64AQI
64AQI
28th October 2025
72AQI
72AQI
29th October 2025
68AQI
68AQI
30th October 2025
56AQI
56AQI
31st October 2025
46AQI
46AQI
1st November 2025
44AQI
44AQI
2nd November 2025
37AQI
37AQI
3rd November 2025
36AQI
36AQI
4th November 2025
41AQI
41AQI
5th November 2025
53AQI
53AQI
6th November 2025
90AQI
90AQI
7th November 2025
92AQI
92AQI
8th November 2025
34AQI
34AQI
9th November 2025
51AQI
51AQI
10th November 2025
73AQI
73AQI
11th November 2025
84AQI
84AQI
12th November 2025
74AQI
74AQI
13th November 2025
56AQI
56AQI
14th November 2025
73AQI
73AQI
15th November 2025
88AQI
88AQI
16th November 2025
69AQI
69AQI
17th November 2025
69AQI
69AQI
18th November 2025
70AQI
70AQI
19th November 2025
48AQI
48AQI
20th November 2025
45AQI
45AQI
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
110AQI
91AQI
110AQI
86AQI
59AQI
49AQI
47AQI
51AQI
43AQI
67AQI
61AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202571AQI
10
21
21
7
14
10
7
24
6
13
18
22
8
24
7
16
15
25
5
4
27
7
13
111
162
44
7
Highest AQI recorded in
March110AQI
Lowest AQI recorded in
September43AQI
202476AQI
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 recorded in
February135AQI
Lowest AQI recorded in
September39AQI
2023108AQI
5
18
7
1
9
16
3
3
20
8
1
9
14
5
1
12
19
7
23
14
16
1
31
15
15
4
18
9
9
20
8
22
1
40
138
110
58
17
1
Highest AQI recorded in
March186AQI
Lowest AQI recorded in
September52AQI
2022124AQI
3
1
8
21
1
1
4
17
9
1
12
41
11
Highest AQI recorded in
October133AQI
Lowest AQI recorded in
November113AQI
202055AQI
1
1
Highest AQI recorded in
October55AQI
Lowest AQI recorded in
October55AQI
Most & Least Polluted Years Over the Last 5 Years
Most Polluted Year Recorded
2022(Avg.)
124AQILeast Polluted Year Recorded
2020(Avg.)
55AQIVientiane's annual 2025 AQI (71) shows an average percentage change of -14.2% (improved AQI) compared to previous years: 2020 (55), 2022 (124), 2023 (108), 2024 (76).
