Vientiane, Vientiane Prefecture, 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, Vientiane Prefecture, Laos
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
24th Nov 2025
123AQILowest AQI recorded on
8th Nov 2025
33AQISame Day Analysis (26th November ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 109 of Poor air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 27th Nov - 28th Nov 2025
Vientiane, Vientiane Prefecture, Laos
AQI
Day
Night
.
6 AM27th Nov 2025
5 PM
5 AM28th Nov 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
10AM27th Nov
110AQI
Avg. Lowest Time
5PM27th Nov
63AQI
In the last 24 hours,
Vientiane's AQI reached its highest point of 110 at 10 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 27th Nov and 28th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Vientiane, Vientiane Prefecture, Laos
OctNov
29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th
Day
Night
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°C20/24°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°C22/24°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°C22/30°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°C22/29°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°C17/28°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°C17/20°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 2025662 AMAQI
22nd Nov 2025693 AMAQI
22nd Nov 2025664 AMAQI
22nd Nov 2025695 AMAQI
20°C16/25°C
22nd Nov 2025706 AMAQI
22nd Nov 2025747 AMAQI
22nd Nov 2025788 AMAQI
22nd Nov 2025759 AMAQI
22nd Nov 20258010 AMAQI
22nd Nov 20257611 AMAQI
22nd Nov 20256512 PMAQI
22nd Nov 2025641 PMAQI
22nd Nov 2025642 PMAQI
22nd Nov 2025603 PMAQI
22nd Nov 2025584 PMAQI
22nd Nov 2025635 PMAQI
22nd Nov 2025726 PMAQI
22nd Nov 2025807 PMAQI
22nd Nov 2025958 PMAQI
22nd Nov 20251059 PMAQI
22nd Nov 202512810 PMAQI
22nd Nov 202516211 PMAQI
23rd Nov 202516312 AMAQI
23rd Nov 20251591 AMAQI
23rd Nov 20251082 AMAQI
23rd Nov 2025963 AMAQI
23rd Nov 2025944 AMAQI
23rd Nov 20251035 AMAQI
20°C15/26°C
23rd Nov 20251136 AMAQI
23rd Nov 20251027 AMAQI
23rd Nov 20251028 AMAQI
23rd Nov 2025979 AMAQI
23rd Nov 20259710 AMAQI
23rd Nov 20259311 AMAQI
23rd Nov 20258912 PMAQI
23rd Nov 2025861 PMAQI
23rd Nov 2025772 PMAQI
23rd Nov 2025713 PMAQI
23rd Nov 2025714 PMAQI
23rd Nov 2025675 PMAQI
23rd Nov 2025736 PMAQI
23rd Nov 2025907 PMAQI
23rd Nov 20251018 PMAQI
23rd Nov 20251079 PMAQI
23rd Nov 202514310 PMAQI
23rd Nov 202515511 PMAQI
24th Nov 202515812 AMAQI
24th Nov 20251631 AMAQI
24th Nov 20251692 AMAQI
24th Nov 20251733 AMAQI
24th Nov 20251734 AMAQI
24th Nov 20251745 AMAQI
21°C16/27°C
24th Nov 20251736 AMAQI
24th Nov 20251587 AMAQI
24th Nov 20251138 AMAQI
24th Nov 2025989 AMAQI
24th Nov 20259310 AMAQI
24th Nov 20259411 AMAQI
24th Nov 20258712 PMAQI
24th Nov 2025781 PMAQI
24th Nov 2025702 PMAQI
24th Nov 2025583 PMAQI
24th Nov 2025544 PMAQI
24th Nov 2025525 PMAQI
24th Nov 2025596 PMAQI
24th Nov 2025697 PMAQI
24th Nov 2025788 PMAQI
24th Nov 2025769 PMAQI
24th Nov 202510710 PMAQI
24th Nov 202513811 PMAQI
25th Nov 202510712 AMAQI
25th Nov 2025961 AMAQI
25th Nov 2025922 AMAQI
25th Nov 2025923 AMAQI
25th Nov 2025944 AMAQI
25th Nov 20251065 AMAQI
22°C17/28°C
25th Nov 20251076 AMAQI
25th Nov 2025947 AMAQI
25th Nov 20251018 AMAQI
25th Nov 2025959 AMAQI
25th Nov 20258810 AMAQI
25th Nov 20258211 AMAQI
25th Nov 20258812 PMAQI
25th Nov 2025841 PMAQI
25th Nov 2025822 PMAQI
25th Nov 2025823 PMAQI
25th Nov 2025804 PMAQI
25th Nov 2025825 PMAQI
25th Nov 2025906 PMAQI
25th Nov 2025977 PMAQI
25th Nov 2025958 PMAQI
25th Nov 2025949 PMAQI
25th Nov 20259410 PMAQI
25th Nov 20259811 PMAQI
26th Nov 20259512 AMAQI
26th Nov 2025961 AMAQI
26th Nov 2025962 AMAQI
26th Nov 2025993 AMAQI
26th Nov 20251034 AMAQI
26th Nov 20251015 AMAQI
21°C17/27°C
26th Nov 20251026 AMAQI
26th Nov 20251047 AMAQI
26th Nov 20251108 AMAQI
26th Nov 20251059 AMAQI
26th Nov 202510010 AMAQI
26th Nov 20259111 AMAQI
26th Nov 20259012 PMAQI
26th Nov 20251041 PMAQI
26th Nov 2025922 PMAQI
26th Nov 2025903 PMAQI
26th Nov 2025834 PMAQI
26th Nov 2025835 PMAQI
26th Nov 2025966 PMAQI
26th Nov 20251107 PMAQI
26th Nov 20251248 PMAQI
26th Nov 20251349 PMAQI
26th Nov 202512710 PMAQI
26th Nov 20259611 PMAQI
27th Nov 20259112 AMAQI
27th Nov 20251011 AMAQI
27th Nov 2025942 AMAQI
27th Nov 20251143 AMAQI
27th Nov 20251064 AMAQI
27th Nov 2025965 AMAQI
19°C14/26°C
27th Nov 2025976 AMAQI
27th Nov 20251057 AMAQI
27th Nov 20251068 AMAQI
27th Nov 20251049 AMAQI
27th Nov 202511010 AMAQI
27th Nov 202510211 AMAQI
27th Nov 20259612 PMAQI
27th Nov 2025891 PMAQI
27th Nov 2025752 PMAQI
27th Nov 2025713 PMAQI
27th Nov 2025634 PMAQI
27th Nov 2025635 PMAQI
27th Nov 2025726 PMAQI
27th Nov 2025937 PMAQI
27th Nov 20251098 PMAQI
27th Nov 20251069 PMAQI
27th Nov 202510310 PMAQI
27th Nov 20259611 PMAQI
28th Nov 20259412 AMAQI
28th Nov 2025951 AMAQI
28th Nov 2025892 AMAQI
28th Nov 2025853 AMAQI
28th Nov 2025864 AMAQI
--°C/°C
6 AM
11 AM
5 PM
11 PM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 12 PM
66AQI
7 hours / Day
210 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 6 AM to 12 PM (Avg. 66), while the lowest AQI was between 3 PM to 5 PM (Avg. 54).
Night time
Avg. Highest Time
11 PM
85AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
6 PM
57AQI
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. 85), while the lowest AQI was between 6 PM to 6 PM (Avg. 57).
2025 Days Vs Air Quality
Vientiane, Vientiane Prefecture, Laos
2025
37%
91
57%
139
5%
12
1%
3
Total number of days with different AQI categories in last 331 days in 2025 (34 days remaining)
Good
91 DaysModerate
139 DaysPoor
12 DaysUnhealthy
3 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 37%
Health Risk Level:
High
In 2025, 37% of 331 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, Vientiane Prefecture, 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
2nd January 2025
3rd January 2025
4th January 2025
5th January 2025
6th January 2025
7th January 2025
8th January 2025
9th January 2025
10th January 2025
11th January 2025
12th January 2025
13th January 2025
14th January 2025
15th January 2025
16th January 2025
17th January 2025
18th January 2025
19th January 2025
20th January 2025
21st January 2025
22nd January 2025
23rd January 2025
24th January 2025
25th January 2025
26th January 2025
27th January 2025
28th January 2025
29th January 2025
30th January 2025
31st January 2025
1st February 2025
2nd February 2025
3rd February 2025
4th February 2025
5th February 2025
6th February 2025
7th February 2025
8th February 2025
9th February 2025
10th February 2025
11th February 2025
12th February 2025
13th February 2025
14th February 2025
15th February 2025
16th February 2025
17th February 2025
18th February 2025
19th February 2025
20th February 2025
21st February 2025
22nd February 2025
23rd February 2025
24th February 2025
25th February 2025
26th February 2025
27th February 2025
28th February 2025
1st March 2025
2nd March 2025
3rd March 2025
4th March 2025
5th March 2025
6th March 2025
7th March 2025
8th March 2025
9th March 2025
10th March 2025
11th March 2025
12th March 2025
13th March 2025
14th March 2025
15th March 2025
16th March 2025
17th March 2025
18th March 2025
19th March 2025
20th March 2025
21st March 2025
22nd March 2025
23rd March 2025
24th March 2025
25th March 2025
26th March 2025
27th March 2025
153AQI
153AQI
28th March 2025
156AQI
156AQI
29th March 2025
155AQI
155AQI
30th March 2025
135AQI
135AQI
31st March 2025
124AQI
124AQI
1st April 2025
118AQI
118AQI
2nd April 2025
127AQI
127AQI
3rd April 2025
134AQI
134AQI
4th April 2025
136AQI
136AQI
5th April 2025
135AQI
135AQI
6th April 2025
106AQI
106AQI
7th April 2025
101AQI
101AQI
8th April 2025
99AQI
99AQI
9th April 2025
92AQI
92AQI
10th April 2025
82AQI
82AQI
11th April 2025
87AQI
87AQI
12th April 2025
76AQI
76AQI
13th April 2025
66AQI
66AQI
14th April 2025
76AQI
76AQI
15th April 2025
69AQI
69AQI
16th April 2025
72AQI
72AQI
17th April 2025
64AQI
64AQI
18th April 2025
64AQI
64AQI
19th April 2025
65AQI
65AQI
20th April 2025
65AQI
65AQI
21st April 2025
67AQI
67AQI
22nd April 2025
77AQI
77AQI
23rd April 2025
80AQI
80AQI
24th April 2025
86AQI
86AQI
25th April 2025
89AQI
89AQI
26th April 2025
89AQI
89AQI
27th April 2025
77AQI
77AQI
28th April 2025
79AQI
79AQI
29th April 2025
73AQI
73AQI
30th April 2025
77AQI
77AQI
1st May 2025
79AQI
79AQI
2nd May 2025
78AQI
78AQI
3rd May 2025
73AQI
73AQI
4th May 2025
84AQI
84AQI
5th May 2025
90AQI
90AQI
6th May 2025
79AQI
79AQI
7th May 2025
87AQI
87AQI
8th May 2025
73AQI
73AQI
9th May 2025
65AQI
65AQI
10th May 2025
67AQI
67AQI
11th May 2025
52AQI
52AQI
12th May 2025
49AQI
49AQI
13th May 2025
65AQI
65AQI
14th May 2025
64AQI
64AQI
15th May 2025
52AQI
52AQI
16th May 2025
49AQI
49AQI
17th May 2025
56AQI
56AQI
18th May 2025
53AQI
53AQI
19th May 2025
54AQI
54AQI
20th May 2025
52AQI
52AQI
21st May 2025
56AQI
56AQI
22nd May 2025
55AQI
55AQI
23rd May 2025
54AQI
54AQI
24th May 2025
47AQI
47AQI
25th May 2025
46AQI
46AQI
26th May 2025
41AQI
41AQI
27th May 2025
41AQI
41AQI
28th May 2025
48AQI
48AQI
29th May 2025
45AQI
45AQI
30th May 2025
44AQI
44AQI
31st May 2025
44AQI
44AQI
1st June 2025
46AQI
46AQI
2nd June 2025
44AQI
44AQI
3rd June 2025
48AQI
48AQI
4th June 2025
59AQI
59AQI
5th June 2025
59AQI
59AQI
6th June 2025
63AQI
63AQI
7th June 2025
66AQI
66AQI
8th June 2025
62AQI
62AQI
9th June 2025
61AQI
61AQI
10th June 2025
60AQI
60AQI
11th June 2025
51AQI
51AQI
12th June 2025
49AQI
49AQI
13th June 2025
54AQI
54AQI
14th June 2025
52AQI
52AQI
15th June 2025
41AQI
41AQI
16th June 2025
43AQI
43AQI
17th June 2025
48AQI
48AQI
18th June 2025
51AQI
51AQI
19th June 2025
51AQI
51AQI
20th June 2025
49AQI
49AQI
21st June 2025
50AQI
50AQI
22nd June 2025
52AQI
52AQI
23rd June 2025
48AQI
48AQI
24th June 2025
45AQI
45AQI
25th June 2025
45AQI
45AQI
26th June 2025
47AQI
47AQI
27th June 2025
49AQI
49AQI
28th June 2025
43AQI
43AQI
29th June 2025
43AQI
43AQI
30th June 2025
44AQI
44AQI
1st July 2025
46AQI
46AQI
2nd July 2025
44AQI
44AQI
3rd July 2025
45AQI
45AQI
4th July 2025
49AQI
49AQI
5th July 2025
50AQI
50AQI
6th July 2025
45AQI
45AQI
7th July 2025
46AQI
46AQI
8th July 2025
53AQI
53AQI
9th July 2025
53AQI
53AQI
10th July 2025
56AQI
56AQI
11th July 2025
50AQI
50AQI
12th July 2025
54AQI
54AQI
13th July 2025
49AQI
49AQI
14th July 2025
53AQI
53AQI
15th July 2025
52AQI
52AQI
16th July 2025
43AQI
43AQI
17th July 2025
47AQI
47AQI
18th July 2025
42AQI
42AQI
19th July 2025
38AQI
38AQI
20th July 2025
39AQI
39AQI
21st July 2025
42AQI
42AQI
22nd July 2025
37AQI
37AQI
23rd July 2025
37AQI
37AQI
24th July 2025
42AQI
42AQI
25th July 2025
47AQI
47AQI
26th July 2025
51AQI
51AQI
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
57AQI
57AQI
6th August 2025
55AQI
55AQI
7th August 2025
53AQI
53AQI
8th August 2025
55AQI
55AQI
9th August 2025
51AQI
51AQI
10th August 2025
49AQI
49AQI
11th August 2025
48AQI
48AQI
12th August 2025
51AQI
51AQI
13th August 2025
52AQI
52AQI
14th August 2025
55AQI
55AQI
15th August 2025
51AQI
51AQI
16th August 2025
48AQI
48AQI
17th August 2025
47AQI
47AQI
18th August 2025
50AQI
50AQI
19th August 2025
51AQI
51AQI
20th August 2025
53AQI
53AQI
21st August 2025
58AQI
58AQI
22nd August 2025
56AQI
56AQI
23rd August 2025
53AQI
53AQI
24th August 2025
51AQI
51AQI
25th August 2025
53AQI
53AQI
26th August 2025
49AQI
49AQI
27th August 2025
50AQI
50AQI
28th August 2025
51AQI
51AQI
29th August 2025
54AQI
54AQI
30th August 2025
53AQI
53AQI
31st August 2025
49AQI
49AQI
1st September 2025
49AQI
49AQI
2nd September 2025
50AQI
50AQI
3rd September 2025
54AQI
54AQI
4th September 2025
48AQI
48AQI
5th September 2025
51AQI
51AQI
6th September 2025
51AQI
51AQI
7th September 2025
54AQI
54AQI
8th September 2025
53AQI
53AQI
9th September 2025
48AQI
48AQI
10th September 2025
48AQI
48AQI
11th September 2025
49AQI
49AQI
12th September 2025
52AQI
52AQI
13th September 2025
51AQI
51AQI
14th September 2025
50AQI
50AQI
15th September 2025
51AQI
51AQI
16th September 2025
48AQI
48AQI
17th September 2025
50AQI
50AQI
18th September 2025
47AQI
47AQI
19th September 2025
42AQI
42AQI
20th September 2025
37AQI
37AQI
21st September 2025
42AQI
42AQI
22nd September 2025
38AQI
38AQI
23rd September 2025
33AQI
33AQI
24th September 2025
33AQI
33AQI
25th September 2025
29AQI
29AQI
26th September 2025
22AQI
22AQI
27th September 2025
34AQI
34AQI
28th September 2025
46AQI
46AQI
29th September 2025
40AQI
40AQI
30th September 2025
43AQI
43AQI
1st October 2025
46AQI
46AQI
2nd October 2025
72AQI
72AQI
3rd October 2025
87AQI
87AQI
4th October 2025
67AQI
67AQI
5th October 2025
60AQI
60AQI
6th October 2025
60AQI
60AQI
7th October 2025
67AQI
67AQI
8th October 2025
65AQI
65AQI
9th October 2025
72AQI
72AQI
10th October 2025
84AQI
84AQI
11th October 2025
93AQI
93AQI
12th October 2025
86AQI
86AQI
13th October 2025
70AQI
70AQI
14th October 2025
58AQI
58AQI
15th October 2025
55AQI
55AQI
16th October 2025
62AQI
62AQI
17th October 2025
77AQI
77AQI
18th October 2025
92AQI
92AQI
19th October 2025
77AQI
77AQI
20th October 2025
79AQI
79AQI
21st October 2025
82AQI
82AQI
22nd October 2025
66AQI
66AQI
23rd October 2025
53AQI
53AQI
24th October 2025
36AQI
36AQI
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
55AQI
55AQI
31st October 2025
46AQI
46AQI
1st November 2025
44AQI
44AQI
2nd November 2025
37AQI
37AQI
3rd November 2025
35AQI
35AQI
4th November 2025
40AQI
40AQI
5th November 2025
53AQI
53AQI
6th November 2025
91AQI
91AQI
7th November 2025
92AQI
92AQI
8th November 2025
33AQI
33AQI
9th November 2025
50AQI
50AQI
10th November 2025
74AQI
74AQI
11th November 2025
86AQI
86AQI
12th November 2025
79AQI
79AQI
13th November 2025
59AQI
59AQI
14th November 2025
77AQI
77AQI
15th November 2025
89AQI
89AQI
16th November 2025
75AQI
75AQI
17th November 2025
73AQI
73AQI
18th November 2025
70AQI
70AQI
19th November 2025
48AQI
48AQI
20th November 2025
52AQI
52AQI
21st November 2025
81AQI
81AQI
22nd November 2025
85AQI
85AQI
23rd November 2025
120AQI
120AQI
24th November 2025
123AQI
123AQI
25th November 2025
98AQI
98AQI
26th November 2025
109AQI
109AQI
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
145AQI
88AQI
59AQI
51AQI
47AQI
53AQI
45AQI
67AQI
72AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202562AQI
2
3
23
7
10
21
17
13
23
8
8
23
22
8
4
27
7
16
3
91
139
12
3
Highest AQI recorded in
March145AQI
Lowest AQI recorded in
September45AQI
Most & Least Polluted Years Over the Last 1 Years
Most Polluted Year Recorded
2025(Avg.)
62AQILeast Polluted Year Recorded
2025(Avg.)
62AQIVientiane's annual 2025 AQI (62) shows an average percentage change of NaN% (improved AQI) compared to previous years: .
