Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Houayhong, Vientiane, Chanthabuly District, 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

Houayhong, Vientiane, Chanthabuly District, Laos

2023
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
1st Feb 2023
199AQI
Lowest AQI recorded on
9th Feb 2026
24AQI

Same Day Analysis (14th February):
On this day, AQI across the 3 years varied significantly: 2026 ranks 3rd highest AQI at 92 of Moderate air quality, showing improvement over 2025 and 2023 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 13th Feb - 14th Feb 2026

Houayhong, Vientiane, Chanthabuly District, Laos

AQI
Day
Night
.

6 AM13th Feb 2026

6 PM

5 AM14th Feb 2026

Day time
Avg. Highest Time
7AM13th Feb

122AQI

Avg. Lowest Time
3PM13th Feb

67AQI

Night time
Avg. Highest Time
4AM14th Feb

122AQI

Avg. Lowest Time
7PM13th Feb

85AQI

In the last 24 hours,

Houayhong's AQI reached its highest point of 122 at 7 AM during the Day, while the lowest point, 67, was recorded at 3 PM during the Day between 13th Feb and 14th Feb 2026.

Day & Night AQI Trend : Jan - Feb 2026

Houayhong, Vientiane, Chanthabuly District, Laos

JanFeb
16th - 17th17th - 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
Day
Night
16th Jan 20261676 AMAQI
16th Jan 20261757 AMAQI
16th Jan 20261688 AMAQI
16th Jan 20261289 AMAQI
16th Jan 202613410 AMAQI
16th Jan 202610811 AMAQI
16th Jan 202612512 PMAQI
16th Jan 20261021 PMAQI
16th Jan 2026902 PMAQI
16th Jan 2026883 PMAQI
16th Jan 2026864 PMAQI
16th Jan 2026805 PMAQI
16th Jan 20261096 PMAQI
16th Jan 2026927 PMAQI
16th Jan 20261148 PMAQI
16th Jan 20261219 PMAQI
16th Jan 202615110 PMAQI
16th Jan 202616111 PMAQI
17th Jan 202615512 AMAQI
17th Jan 20261381 AMAQI
17th Jan 20261282 AMAQI
17th Jan 20261243 AMAQI
17th Jan 20261324 AMAQI
17th Jan 20261405 AMAQI

24°C17/32°C

17th Jan 20261686 AMAQI
17th Jan 20261387 AMAQI
17th Jan 20261388 AMAQI
17th Jan 20261289 AMAQI
17th Jan 202615210 AMAQI
17th Jan 202615011 AMAQI
17th Jan 202614212 PMAQI
17th Jan 20261401 PMAQI
17th Jan 20261162 PMAQI
17th Jan 20261203 PMAQI
17th Jan 2026844 PMAQI
17th Jan 2026985 PMAQI
17th Jan 2026766 PMAQI
17th Jan 20261117 PMAQI
17th Jan 20261058 PMAQI
17th Jan 20261409 PMAQI
17th Jan 202612210 PMAQI
17th Jan 202614211 PMAQI
18th Jan 202612412 AMAQI
18th Jan 20261551 AMAQI
18th Jan 20261562 AMAQI
18th Jan 20261553 AMAQI
18th Jan 20261484 AMAQI
18th Jan 20261505 AMAQI

26°C19/33°C

18th Jan 20261406 AMAQI
18th Jan 20261227 AMAQI
18th Jan 20261508 AMAQI
18th Jan 20261329 AMAQI
18th Jan 202613610 AMAQI
18th Jan 202612211 AMAQI
18th Jan 202612012 PMAQI
18th Jan 20261101 PMAQI
18th Jan 2026782 PMAQI
18th Jan 2026923 PMAQI
18th Jan 2026854 PMAQI
18th Jan 2026805 PMAQI
18th Jan 2026766 PMAQI
18th Jan 20261157 PMAQI
18th Jan 20261398 PMAQI
18th Jan 20261429 PMAQI
18th Jan 202615210 PMAQI
18th Jan 202613711 PMAQI
19th Jan 202615812 AMAQI
19th Jan 20261561 AMAQI
19th Jan 20261502 AMAQI
19th Jan 20261323 AMAQI
19th Jan 20261184 AMAQI
19th Jan 2026945 AMAQI

25°C19/33°C

19th Jan 20261016 AMAQI
19th Jan 20261127 AMAQI
19th Jan 20261448 AMAQI
19th Jan 20261229 AMAQI
19th Jan 202615210 AMAQI
19th Jan 202612211 AMAQI
19th Jan 202611912 PMAQI
19th Jan 20261021 PMAQI
19th Jan 2026842 PMAQI
19th Jan 2026863 PMAQI
19th Jan 2026684 PMAQI
19th Jan 2026575 PMAQI
19th Jan 2026636 PMAQI
19th Jan 2026787 PMAQI
19th Jan 2026848 PMAQI
19th Jan 2026949 PMAQI
19th Jan 20268610 PMAQI
19th Jan 202613011 PMAQI
20th Jan 202613412 AMAQI
20th Jan 20261471 AMAQI
20th Jan 20261542 AMAQI
20th Jan 20261563 AMAQI
20th Jan 20261574 AMAQI
20th Jan 20261545 AMAQI

26°C19/33°C

20th Jan 20261576 AMAQI
20th Jan 20261357 AMAQI
20th Jan 20261358 AMAQI
20th Jan 20261309 AMAQI
20th Jan 202612910 AMAQI
20th Jan 202611211 AMAQI
20th Jan 202610412 PMAQI
20th Jan 2026761 PMAQI
20th Jan 2026622 PMAQI
20th Jan 2026663 PMAQI
20th Jan 2026804 PMAQI
20th Jan 2026665 PMAQI
20th Jan 2026766 PMAQI
20th Jan 20261097 PMAQI
20th Jan 20261248 PMAQI
20th Jan 20261349 PMAQI
20th Jan 202613510 PMAQI
20th Jan 202614011 PMAQI
21st Jan 202614812 AMAQI
21st Jan 20261471 AMAQI
21st Jan 20261402 AMAQI
21st Jan 20261043 AMAQI
21st Jan 20261244 AMAQI
21st Jan 20261375 AMAQI

25°C18/33°C

21st Jan 20261526 AMAQI
21st Jan 20261527 AMAQI
21st Jan 20261048 AMAQI
21st Jan 20266610 AMAQI
21st Jan 20268811 AMAQI
21st Jan 202611012 PMAQI
21st Jan 2026581 PMAQI
21st Jan 2026542 PMAQI
21st Jan 2026563 PMAQI
21st Jan 2026524 PMAQI
21st Jan 2026515 PMAQI
21st Jan 2026546 PMAQI
21st Jan 2026587 PMAQI
21st Jan 2026648 PMAQI
21st Jan 2026839 PMAQI
21st Jan 202611110 PMAQI
21st Jan 202612811 PMAQI
22nd Jan 202613512 AMAQI
22nd Jan 20261061 AMAQI
22nd Jan 2026902 AMAQI
22nd Jan 2026623 AMAQI
22nd Jan 2026474 AMAQI
22nd Jan 2026425 AMAQI

24°C17/31°C

22nd Jan 2026656 AMAQI
22nd Jan 2026477 AMAQI
22nd Jan 2026528 AMAQI
22nd Jan 2026489 AMAQI
22nd Jan 20266010 AMAQI
22nd Jan 20265711 AMAQI
22nd Jan 20267112 PMAQI
22nd Jan 2026651 PMAQI
22nd Jan 2026592 PMAQI
22nd Jan 2026603 PMAQI
22nd Jan 2026554 PMAQI
22nd Jan 2026675 PMAQI
22nd Jan 2026626 PMAQI
22nd Jan 2026767 PMAQI
22nd Jan 2026928 PMAQI
22nd Jan 2026929 PMAQI
22nd Jan 20268410 PMAQI
22nd Jan 20265811 PMAQI
23rd Jan 20265312 AMAQI
23rd Jan 2026621 AMAQI
23rd Jan 2026602 AMAQI
23rd Jan 2026603 AMAQI
23rd Jan 2026404 AMAQI
23rd Jan 2026365 AMAQI

23°C17/30°C

23rd Jan 2026476 AMAQI
23rd Jan 2026747 AMAQI
23rd Jan 2026968 AMAQI
23rd Jan 2026569 AMAQI
23rd Jan 20263610 AMAQI
23rd Jan 20263111 AMAQI
23rd Jan 20262912 PMAQI
23rd Jan 2026361 PMAQI
23rd Jan 2026252 PMAQI
23rd Jan 2026273 PMAQI
23rd Jan 2026254 PMAQI
23rd Jan 2026215 PMAQI
23rd Jan 2026296 PMAQI
23rd Jan 2026507 PMAQI
23rd Jan 2026858 PMAQI
23rd Jan 2026859 PMAQI
23rd Jan 202610410 PMAQI
23rd Jan 20269611 PMAQI
24th Jan 202611812 AMAQI
24th Jan 2026901 AMAQI
24th Jan 2026802 AMAQI
24th Jan 2026803 AMAQI
24th Jan 2026734 AMAQI
24th Jan 2026785 AMAQI

21°C15/28°C

24th Jan 2026906 AMAQI
24th Jan 2026887 AMAQI
24th Jan 2026998 AMAQI
24th Jan 2026809 AMAQI
24th Jan 20269410 AMAQI
24th Jan 20265811 AMAQI
24th Jan 20265412 PMAQI
24th Jan 2026461 PMAQI
24th Jan 2026602 PMAQI
24th Jan 2026563 PMAQI
24th Jan 2026564 PMAQI
24th Jan 2026605 PMAQI
24th Jan 2026736 PMAQI
24th Jan 20261007 PMAQI
24th Jan 2026848 PMAQI
24th Jan 20261189 PMAQI
24th Jan 202612110 PMAQI
24th Jan 202612411 PMAQI
25th Jan 202612812 AMAQI
25th Jan 20261331 AMAQI
25th Jan 20261322 AMAQI
25th Jan 2026883 AMAQI
25th Jan 20261114 AMAQI
25th Jan 2026825 AMAQI

21°C15/29°C

25th Jan 20261226 AMAQI
25th Jan 20261227 AMAQI
25th Jan 20261318 AMAQI
25th Jan 20261319 AMAQI
25th Jan 202612510 AMAQI
25th Jan 20267511 AMAQI
25th Jan 20267612 PMAQI
25th Jan 2026551 PMAQI
25th Jan 2026582 PMAQI
25th Jan 2026743 PMAQI
25th Jan 2026884 PMAQI
25th Jan 2026605 PMAQI
25th Jan 2026676 PMAQI
25th Jan 2026677 PMAQI
25th Jan 20261168 PMAQI
25th Jan 20261229 PMAQI
25th Jan 202611610 PMAQI
25th Jan 202613011 PMAQI
26th Jan 202614212 AMAQI
26th Jan 20261441 AMAQI
26th Jan 20261422 AMAQI
26th Jan 20261203 AMAQI
26th Jan 20261464 AMAQI
26th Jan 20261405 AMAQI

23°C16/31°C

26th Jan 20261506 AMAQI
26th Jan 20261507 AMAQI
26th Jan 20261389 AMAQI
26th Jan 20269510 AMAQI
26th Jan 20268611 AMAQI
26th Jan 20267112 PMAQI
26th Jan 2026601 PMAQI
26th Jan 2026572 PMAQI
26th Jan 2026543 PMAQI
26th Jan 2026564 PMAQI
26th Jan 2026565 PMAQI
26th Jan 2026546 PMAQI
26th Jan 2026787 PMAQI
26th Jan 2026928 PMAQI
26th Jan 2026959 PMAQI
26th Jan 20269210 PMAQI
26th Jan 202612011 PMAQI
27th Jan 202611412 AMAQI
27th Jan 20261101 AMAQI
27th Jan 2026902 AMAQI
27th Jan 20261033 AMAQI
27th Jan 2026864 AMAQI
27th Jan 2026765 AMAQI

24°C17/32°C

27th Jan 2026786 AMAQI
27th Jan 2026877 AMAQI
27th Jan 2026908 AMAQI
27th Jan 2026969 AMAQI
27th Jan 20268810 AMAQI
27th Jan 20269011 AMAQI
27th Jan 20267212 PMAQI
27th Jan 2026671 PMAQI
27th Jan 2026622 PMAQI
27th Jan 2026583 PMAQI
27th Jan 2026644 PMAQI
27th Jan 2026625 PMAQI
27th Jan 2026656 PMAQI
27th Jan 2026707 PMAQI
27th Jan 2026988 PMAQI
27th Jan 2026989 PMAQI
27th Jan 202612510 PMAQI
27th Jan 202612911 PMAQI
28th Jan 202613012 AMAQI
28th Jan 20261321 AMAQI
28th Jan 20261182 AMAQI
28th Jan 20261143 AMAQI
28th Jan 2026924 AMAQI
28th Jan 2026885 AMAQI

24°C17/32°C

28th Jan 2026846 AMAQI
28th Jan 2026927 AMAQI
28th Jan 2026888 AMAQI
28th Jan 2026769 AMAQI
28th Jan 20267610 AMAQI
28th Jan 20268111 AMAQI
28th Jan 20268112 PMAQI
28th Jan 2026621 PMAQI
28th Jan 2026632 PMAQI
28th Jan 2026623 PMAQI
28th Jan 2026564 PMAQI
28th Jan 2026565 PMAQI
28th Jan 2026576 PMAQI
28th Jan 2026577 PMAQI
28th Jan 2026678 PMAQI
28th Jan 20269010 PMAQI
28th Jan 202610611 PMAQI
29th Jan 202611012 AMAQI
29th Jan 20261021 AMAQI
29th Jan 2026862 AMAQI
29th Jan 20261063 AMAQI
29th Jan 2026954 AMAQI
29th Jan 20261025 AMAQI

24°C17/32°C

29th Jan 20261146 AMAQI
29th Jan 20261127 AMAQI
29th Jan 20261368 AMAQI
29th Jan 20261259 AMAQI
29th Jan 20269210 AMAQI
29th Jan 20268811 AMAQI
29th Jan 20267812 PMAQI
29th Jan 2026651 PMAQI
29th Jan 2026662 PMAQI
29th Jan 2026683 PMAQI
29th Jan 2026714 PMAQI
29th Jan 2026725 PMAQI
29th Jan 2026786 PMAQI
29th Jan 2026927 PMAQI
29th Jan 20261038 PMAQI
29th Jan 20261109 PMAQI
29th Jan 202611810 PMAQI
29th Jan 202612811 PMAQI
30th Jan 202613412 AMAQI
30th Jan 20261341 AMAQI
30th Jan 20261322 AMAQI
30th Jan 20261323 AMAQI
30th Jan 20261344 AMAQI
30th Jan 20261325 AMAQI

24°C17/32°C

30th Jan 20261356 AMAQI
30th Jan 20261347 AMAQI
30th Jan 20261528 AMAQI
30th Jan 20261469 AMAQI
30th Jan 202613910 AMAQI
30th Jan 202614211 AMAQI
30th Jan 202612912 PMAQI
30th Jan 20261041 PMAQI
30th Jan 2026962 PMAQI
30th Jan 2026873 PMAQI
30th Jan 2026804 PMAQI
30th Jan 2026855 PMAQI
30th Jan 2026876 PMAQI
30th Jan 2026957 PMAQI
30th Jan 2026998 PMAQI
30th Jan 20261119 PMAQI
30th Jan 202612810 PMAQI
30th Jan 202611611 PMAQI
31st Jan 202612612 AMAQI
31st Jan 20261181 AMAQI
31st Jan 20261342 AMAQI
31st Jan 20261403 AMAQI
31st Jan 20261484 AMAQI
31st Jan 20261525 AMAQI

25°C18/33°C

31st Jan 20261446 AMAQI
31st Jan 20261507 AMAQI
31st Jan 20261288 AMAQI
31st Jan 20261199 AMAQI
31st Jan 202611010 AMAQI
31st Jan 20269211 AMAQI
31st Jan 20269012 PMAQI
31st Jan 2026761 PMAQI
31st Jan 2026762 PMAQI
31st Jan 2026783 PMAQI
31st Jan 2026804 PMAQI
31st Jan 2026766 PMAQI
31st Jan 2026787 PMAQI
31st Jan 20261008 PMAQI
31st Jan 20261169 PMAQI
31st Jan 202611510 PMAQI
31st Jan 202610911 PMAQI
1st Feb 20269612 AMAQI
1st Feb 2026901 AMAQI
1st Feb 2026882 AMAQI
1st Feb 2026783 AMAQI
1st Feb 2026814 AMAQI
1st Feb 2026845 AMAQI

25°C19/33°C

1st Feb 2026886 AMAQI
1st Feb 2026907 AMAQI
1st Feb 2026998 AMAQI
1st Feb 20261109 AMAQI
1st Feb 20269710 AMAQI
1st Feb 20267411 AMAQI
1st Feb 20267612 PMAQI
1st Feb 2026731 PMAQI
1st Feb 2026642 PMAQI
1st Feb 2026653 PMAQI
1st Feb 2026624 PMAQI
1st Feb 2026625 PMAQI
1st Feb 2026606 PMAQI
1st Feb 2026667 PMAQI
1st Feb 2026858 PMAQI
1st Feb 2026869 PMAQI
1st Feb 20269610 PMAQI
1st Feb 20269211 PMAQI
2nd Feb 20268012 AMAQI
2nd Feb 2026841 AMAQI
2nd Feb 2026762 AMAQI
2nd Feb 2026803 AMAQI
2nd Feb 2026804 AMAQI
2nd Feb 2026835 AMAQI

23°C17/31°C

2nd Feb 2026886 AMAQI
2nd Feb 2026977 AMAQI
2nd Feb 2026968 AMAQI
2nd Feb 2026839 AMAQI
2nd Feb 20268110 AMAQI
2nd Feb 20267211 AMAQI
2nd Feb 20266912 PMAQI
2nd Feb 2026621 PMAQI
2nd Feb 2026552 PMAQI
2nd Feb 2026563 PMAQI
2nd Feb 2026584 PMAQI
2nd Feb 2026535 PMAQI
2nd Feb 2026586 PMAQI
2nd Feb 2026597 PMAQI
2nd Feb 2026698 PMAQI
2nd Feb 2026699 PMAQI
2nd Feb 20267210 PMAQI
2nd Feb 20266011 PMAQI
3rd Feb 20266212 AMAQI
3rd Feb 2026621 AMAQI
3rd Feb 2026602 AMAQI
3rd Feb 2026663 AMAQI
3rd Feb 2026644 AMAQI
3rd Feb 2026605 AMAQI

22°C16/30°C

3rd Feb 2026596 AMAQI
3rd Feb 2026597 AMAQI
3rd Feb 2026738 AMAQI
3rd Feb 2026669 AMAQI
3rd Feb 20265710 AMAQI
3rd Feb 20266211 AMAQI
3rd Feb 20265612 PMAQI
3rd Feb 2026571 PMAQI
3rd Feb 2026533 PMAQI
3rd Feb 2026424 PMAQI
3rd Feb 2026315 PMAQI
3rd Feb 2026386 PMAQI
3rd Feb 2026407 PMAQI
3rd Feb 2026628 PMAQI
3rd Feb 2026739 PMAQI
3rd Feb 20267610 PMAQI
3rd Feb 20267611 PMAQI
4th Feb 20267812 AMAQI
4th Feb 2026781 AMAQI
4th Feb 2026862 AMAQI
4th Feb 2026883 AMAQI
4th Feb 2026924 AMAQI
4th Feb 2026885 AMAQI

22°C15/30°C

4th Feb 2026946 AMAQI
4th Feb 2026927 AMAQI
4th Feb 20261058 AMAQI
4th Feb 20261029 AMAQI
4th Feb 20268710 AMAQI
4th Feb 20268011 AMAQI
4th Feb 20267412 PMAQI
4th Feb 2026631 PMAQI
4th Feb 2026582 PMAQI
4th Feb 2026563 PMAQI
4th Feb 2026574 PMAQI
4th Feb 2026545 PMAQI
4th Feb 2026666 PMAQI
4th Feb 2026727 PMAQI
4th Feb 2026858 PMAQI
4th Feb 2026939 PMAQI
4th Feb 20269510 PMAQI
4th Feb 20269411 PMAQI
5th Feb 202610412 AMAQI
5th Feb 20261021 AMAQI
5th Feb 2026992 AMAQI
5th Feb 20261063 AMAQI
5th Feb 20261064 AMAQI
5th Feb 20261245 AMAQI

24°C16/32°C

5th Feb 20261226 AMAQI
5th Feb 20261347 AMAQI
5th Feb 20261248 AMAQI
5th Feb 20261249 AMAQI
5th Feb 202614010 AMAQI
5th Feb 202611211 AMAQI
5th Feb 202610212 PMAQI
5th Feb 2026921 PMAQI
5th Feb 2026832 PMAQI
5th Feb 2026623 PMAQI
5th Feb 2026654 PMAQI
5th Feb 2026595 PMAQI
5th Feb 2026546 PMAQI
5th Feb 2026607 PMAQI
5th Feb 2026858 PMAQI
5th Feb 2026989 PMAQI
5th Feb 20269410 PMAQI
5th Feb 202611011 PMAQI
6th Feb 202611412 AMAQI
6th Feb 20261041 AMAQI
6th Feb 20261082 AMAQI
6th Feb 20261123 AMAQI
6th Feb 20261124 AMAQI
6th Feb 20261115 AMAQI

26°C18/35°C

6th Feb 20261196 AMAQI
6th Feb 20261357 AMAQI
6th Feb 20261168 AMAQI
6th Feb 20261389 AMAQI
6th Feb 202610211 AMAQI
6th Feb 202610012 PMAQI
6th Feb 2026821 PMAQI
6th Feb 2026682 PMAQI
6th Feb 2026643 PMAQI
6th Feb 2026674 PMAQI
6th Feb 2026675 PMAQI
6th Feb 2026686 PMAQI
6th Feb 2026747 PMAQI
6th Feb 2026858 PMAQI
6th Feb 2026859 PMAQI
6th Feb 202611510 PMAQI
6th Feb 202611611 PMAQI
7th Feb 202611612 AMAQI
7th Feb 20261301 AMAQI
7th Feb 20261322 AMAQI
7th Feb 20261193 AMAQI
7th Feb 20261184 AMAQI
7th Feb 20261255 AMAQI

27°C20/37°C

7th Feb 20261316 AMAQI
7th Feb 20261517 AMAQI
7th Feb 20261258 AMAQI
7th Feb 20261099 AMAQI
7th Feb 202610810 AMAQI
7th Feb 20269511 AMAQI
7th Feb 20269612 PMAQI
7th Feb 2026961 PMAQI
7th Feb 2026962 PMAQI
7th Feb 2026903 PMAQI
7th Feb 2026854 PMAQI
7th Feb 2026825 PMAQI
7th Feb 2026866 PMAQI
7th Feb 2026947 PMAQI
7th Feb 20261088 PMAQI
7th Feb 20261259 PMAQI
7th Feb 202612410 PMAQI
7th Feb 202611111 PMAQI
8th Feb 202610012 AMAQI
8th Feb 20261021 AMAQI
8th Feb 2026952 AMAQI
8th Feb 2026943 AMAQI
8th Feb 2026894 AMAQI

27°C20/35°C

8th Feb 2026856 AMAQI
8th Feb 2026887 AMAQI
8th Feb 2026908 AMAQI
8th Feb 2026889 AMAQI
8th Feb 20267110 AMAQI
8th Feb 20266411 AMAQI
8th Feb 20266012 PMAQI
8th Feb 2026591 PMAQI
8th Feb 2026592 PMAQI
8th Feb 2026593 PMAQI
8th Feb 2026554 PMAQI
8th Feb 2026575 PMAQI
8th Feb 2026576 PMAQI
8th Feb 2026587 PMAQI
8th Feb 2026728 PMAQI
8th Feb 2026769 PMAQI
8th Feb 20268210 PMAQI
8th Feb 20265811 PMAQI
9th Feb 20262812 AMAQI
9th Feb 2026141 AMAQI
9th Feb 2026122 AMAQI
9th Feb 2026143 AMAQI
9th Feb 2026144 AMAQI
9th Feb 2026195 AMAQI

26°C20/31°C

9th Feb 2026176 AMAQI
9th Feb 2026197 AMAQI
9th Feb 2026218 AMAQI
9th Feb 2026239 AMAQI
9th Feb 20262110 AMAQI
9th Feb 20261911 AMAQI
9th Feb 20261412 PMAQI
9th Feb 2026141 PMAQI
9th Feb 2026142 PMAQI
9th Feb 2026143 PMAQI
9th Feb 2026174 PMAQI
9th Feb 2026215 PMAQI
9th Feb 2026216 PMAQI
9th Feb 2026257 PMAQI
9th Feb 2026448 PMAQI
9th Feb 2026579 PMAQI
9th Feb 20265610 PMAQI
9th Feb 20266911 PMAQI
10th Feb 20267912 AMAQI
10th Feb 2026871 AMAQI
10th Feb 2026922 AMAQI
10th Feb 2026903 AMAQI
10th Feb 2026924 AMAQI
10th Feb 2026945 AMAQI

22°C17/30°C

10th Feb 2026946 AMAQI
10th Feb 2026887 AMAQI
10th Feb 2026848 AMAQI
10th Feb 2026729 AMAQI
10th Feb 20266710 AMAQI
10th Feb 20266211 AMAQI
10th Feb 20265412 PMAQI
10th Feb 2026421 PMAQI
10th Feb 2026362 PMAQI
10th Feb 2026403 PMAQI
10th Feb 2026404 PMAQI
10th Feb 2026485 PMAQI
10th Feb 2026486 PMAQI
10th Feb 2026627 PMAQI
10th Feb 2026678 PMAQI
10th Feb 2026709 PMAQI
10th Feb 20264210 PMAQI
10th Feb 20268111 PMAQI
11th Feb 20268212 AMAQI
11th Feb 2026821 AMAQI
11th Feb 2026852 AMAQI
11th Feb 2026823 AMAQI
11th Feb 2026864 AMAQI
11th Feb 20261025 AMAQI

25°C18/34°C

11th Feb 20261026 AMAQI
11th Feb 2026927 AMAQI
11th Feb 2026878 AMAQI
11th Feb 2026859 AMAQI
11th Feb 20267810 AMAQI
11th Feb 20266711 AMAQI
11th Feb 20266012 PMAQI
11th Feb 2026571 PMAQI
11th Feb 2026572 PMAQI
11th Feb 2026563 PMAQI
11th Feb 2026584 PMAQI
11th Feb 2026555 PMAQI
11th Feb 2026696 PMAQI
11th Feb 2026657 PMAQI
11th Feb 2026788 PMAQI
11th Feb 2026869 PMAQI
11th Feb 20269210 PMAQI
11th Feb 20269211 PMAQI
12th Feb 20268712 AMAQI
12th Feb 2026921 AMAQI
12th Feb 2026892 AMAQI
12th Feb 2026763 AMAQI
12th Feb 2026784 AMAQI
12th Feb 2026745 AMAQI

27°C20/35°C

12th Feb 2026906 AMAQI
12th Feb 2026967 AMAQI
12th Feb 2026948 AMAQI
12th Feb 2026839 AMAQI
12th Feb 20267210 AMAQI
12th Feb 20265912 PMAQI
12th Feb 2026561 PMAQI
12th Feb 2026572 PMAQI
12th Feb 2026623 PMAQI
12th Feb 2026624 PMAQI
12th Feb 2026585 PMAQI
12th Feb 2026716 PMAQI
12th Feb 2026767 PMAQI
12th Feb 2026868 PMAQI
12th Feb 2026809 PMAQI
12th Feb 20267110 PMAQI
12th Feb 20268611 PMAQI
13th Feb 20269412 AMAQI
13th Feb 2026901 AMAQI
13th Feb 2026982 AMAQI
13th Feb 2026983 AMAQI
13th Feb 2026954 AMAQI
13th Feb 2026925 AMAQI

27°C20/35°C

13th Feb 2026996 AMAQI
13th Feb 20261227 AMAQI
13th Feb 20261168 AMAQI
13th Feb 2026979 AMAQI
13th Feb 20268710 AMAQI
13th Feb 20268611 AMAQI
13th Feb 20267612 PMAQI
13th Feb 2026821 PMAQI
13th Feb 2026722 PMAQI
13th Feb 2026673 PMAQI
13th Feb 2026714 PMAQI
13th Feb 2026705 PMAQI
13th Feb 2026826 PMAQI
13th Feb 2026857 PMAQI
13th Feb 2026908 PMAQI
13th Feb 20261109 PMAQI
13th Feb 202610210 PMAQI
13th Feb 202610011 PMAQI
14th Feb 20261081 AMAQI
14th Feb 20261152 AMAQI
14th Feb 20261123 AMAQI
14th Feb 20261224 AMAQI
14th Feb 20261065 AMAQI

28°C21/36°C

14th Feb 2026996 AMAQI
6 AM
14th Feb 2026947 AMAQI
14th Feb 2026858 AMAQI
14th Feb 2026869 AMAQI
14th Feb 20268010 AMAQI
14th Feb 20267611 AMAQI
14th Feb 20267312 PMAQI
12 PM
14th Feb 2026671 PMAQI
14th Feb 2026692 PMAQI
14th Feb 2026663 PMAQI
14th Feb 2026675 PMAQI
14th Feb 2026696 PMAQI
6 PM
14th Feb 2026767 PMAQI
14th Feb 2026978 PMAQI
14th Feb 20261089 PMAQI
14th Feb 202612210 PMAQI
14th Feb 202611611 PMAQI
12 AM
5 AM

28°C20/36°C

Day time
Avg. Highest Time
6 AM - 8 AM

108AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
5 PM

61AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 8 AM (Avg. 108), while the lowest AQI was between 5 PM to 5 PM (Avg. 61).
Night time
Avg. Highest Time
12 AM - 2 AM

108AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
7 PM

75AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 2 AM (Avg. 108), while the lowest AQI was between 7 PM to 7 PM (Avg. 75).

2026 Days Vs Air Quality

Houayhong, Vientiane, Chanthabuly District, Laos

2026

7%

3

56%

25

38%

17

Total number of days with different AQI categories in last 46 days in 2026 (319 days remaining)

Good
3 Days
Moderate
25 Days
Poor
17 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 46 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

Houayhong, Vientiane, Chanthabuly District, 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)
2nd January 2026
67AQI (US)
3rd January 2026
43AQI (US)
4th January 2026
59AQI (US)
5th January 2026
111AQI (US)
6th January 2026
60AQI (US)
7th January 2026
50AQI (US)
8th January 2026
65AQI (US)
9th January 2026
92AQI (US)
10th January 2026
110AQI (US)
11th January 2026
104AQI (US)
12th January 2026
140AQI (US)
13th January 2026
122AQI (US)
14th January 2026
124AQI (US)
15th January 2026
139AQI (US)
16th January 2026
131AQI (US)
17th January 2026
129AQI (US)
18th January 2026
126AQI (US)
19th January 2026
109AQI (US)
20th January 2026
120AQI (US)
21st January 2026
97AQI (US)
22nd January 2026
69AQI (US)
23rd January 2026
53AQI (US)
24th January 2026
82AQI (US)
25th January 2026
100AQI (US)
26th January 2026
102AQI (US)
27th January 2026
87AQI (US)
28th January 2026
84AQI (US)
29th January 2026
97AQI (US)
30th January 2026
119AQI (US)
31st January 2026
111AQI (US)
1st February 2026
82AQI (US)
2nd February 2026
72AQI (US)
3rd February 2026
59AQI (US)
4th February 2026
81AQI (US)
5th February 2026
98AQI (US)
6th February 2026
98AQI (US)
7th February 2026
110AQI (US)
8th February 2026
75AQI (US)
9th February 2026
24AQI (US)
10th February 2026
68AQI (US)
11th February 2026
77AQI (US)
12th February 2026
76AQI (US)
13th February 2026
91AQI (US)
14th February 2026
92AQI (US)
15th February 2026
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

97AQI (US)

79AQI (US)

No. of days

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

202691AQI (US)

2
13
16
1
12
1
3
25
17

Highest AQI (US) recorded in

January

97AQI (US)

Lowest AQI (US) recorded in

February

79AQI (US)

202574AQI (US)

9
22
20
8
15
11
5
24
6
13
18
21
9
21
10
15
16
28
2
4
27
6
19
5
1
13
17
109
182
69
5

Highest AQI (US) recorded in

March

110AQI (US)

Lowest AQI (US) recorded in

September

43AQI (US)

202461AQI (US)

4
9
3
1
1
7
5
6
24
14
17
23
8
3
4
9
26
4
2
26
3
64
125
10

Highest AQI (US) recorded in

November

83AQI (US)

Lowest AQI (US) recorded in

March

29AQI (US)

2023109AQI (US)

7
15
9
2
12
14
5
17
4
2
14
11
2
1
16
14
1
4
26
9
22
29
2
8
21
1
1
20
9
1
5
22
2
8
20
3
22
158
114
58
6
1

Highest AQI (US) recorded in

March

174AQI (US)

Lowest AQI (US) recorded in

July

61AQI (US)

2022126AQI (US)

1
2
4
24
2
5
18
6
1
9
43
10
1

Highest AQI (US) recorded in

October

146AQI (US)

Lowest AQI (US) recorded in

November

120AQI (US)

Most & Least Polluted Years Over the Last 5 Years

Most Polluted Year Recorded
2022(Avg.)
126AQI (US)
Least Polluted Year Recorded
2024(Avg.)
61AQI (US)

Houayhong's annual 2026 AQI (US) (91) shows an average percentage change of 7.4% (worsened AQI (US)) compared to previous years: 2022 (126), 2023 (109), 2024 (61), 2025 (74).