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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

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+

August Air Quality Analysis

Vientiane, Chanthabuly District, Laos

2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
13th Aug 2023
102AQI
Lowest AQI recorded on
9th Aug 2026
33AQI

Same Day Analysis (12th August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 3rd highest AQI at 45 of Good air quality, showing improvement over 2025 and 2023 on the same day.

Day & Night AQI Trend: 12th Aug - 13th Aug 2026

Vientiane, Chanthabuly District, Laos

AQI
Day
Night
.

5 AM12th Aug 2026

6 PM

4 AM13th Aug 2026

Day time
Avg. Highest Time
10AM12th Aug

60AQI

Avg. Lowest Time
5PM12th Aug

25AQI

Night time
Avg. Highest Time
7PM12th Aug

58AQI

Avg. Lowest Time
9PM12th Aug

36AQI

In the last 24 hours,

Vientiane's AQI reached its highest point of 60 at 10 AM during the Day, while the lowest point, 25, was recorded at 5 PM during the Day between 12th Aug and 13th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Vientiane, Chanthabuly District, Laos

JulAug
15th - 16th16th - 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
Day
Night
15th Jul 2026275 AMAQI
15th Jul 2026356 AMAQI
15th Jul 2026177 AMAQI
15th Jul 2026188 AMAQI
15th Jul 2026189 AMAQI
15th Jul 20262610 AMAQI
15th Jul 20262411 AMAQI
15th Jul 20262412 PMAQI
15th Jul 2026271 PMAQI
15th Jul 2026262 PMAQI
15th Jul 2026283 PMAQI
15th Jul 2026324 PMAQI
15th Jul 2026345 PMAQI
15th Jul 2026426 PMAQI
15th Jul 2026407 PMAQI
15th Jul 2026678 PMAQI
15th Jul 2026309 PMAQI
15th Jul 20266810 PMAQI
15th Jul 20265411 PMAQI
16th Jul 20265212 AMAQI
16th Jul 2026521 AMAQI
16th Jul 2026402 AMAQI
16th Jul 2026463 AMAQI
16th Jul 2026484 AMAQI

26°C24/30°C

16th Jul 2026405 AMAQI
16th Jul 2026386 AMAQI
16th Jul 2026507 AMAQI
16th Jul 2026518 AMAQI
16th Jul 2026449 AMAQI
16th Jul 20263610 AMAQI
16th Jul 20263311 AMAQI
16th Jul 20263812 PMAQI
16th Jul 2026421 PMAQI
16th Jul 2026362 PMAQI
16th Jul 2026443 PMAQI
16th Jul 2026444 PMAQI
16th Jul 2026405 PMAQI
16th Jul 2026406 PMAQI
16th Jul 2026427 PMAQI
16th Jul 2026468 PMAQI
16th Jul 2026489 PMAQI
16th Jul 20265310 PMAQI
16th Jul 20265011 PMAQI
17th Jul 20265112 AMAQI
17th Jul 2026471 AMAQI
17th Jul 2026442 AMAQI
17th Jul 2026443 AMAQI
17th Jul 2026524 AMAQI

25°C24/27°C

17th Jul 2026515 AMAQI
17th Jul 2026516 AMAQI
17th Jul 2026577 AMAQI
17th Jul 2026838 AMAQI
17th Jul 2026409 AMAQI
17th Jul 20265110 AMAQI
17th Jul 20265011 AMAQI
17th Jul 20263812 PMAQI
17th Jul 2026361 PMAQI
17th Jul 2026312 PMAQI
17th Jul 2026293 PMAQI
17th Jul 2026254 PMAQI
17th Jul 2026335 PMAQI
17th Jul 2026336 PMAQI
17th Jul 2026367 PMAQI
17th Jul 2026388 PMAQI
17th Jul 2026559 PMAQI
17th Jul 20264610 PMAQI
17th Jul 20263611 PMAQI
18th Jul 20263312 AMAQI
18th Jul 2026331 AMAQI
18th Jul 2026312 AMAQI
18th Jul 2026233 AMAQI
18th Jul 2026314 AMAQI

25°C24/27°C

18th Jul 2026385 AMAQI
18th Jul 2026386 AMAQI
18th Jul 2026517 AMAQI
18th Jul 2026628 AMAQI
18th Jul 2026569 AMAQI
18th Jul 20264510 AMAQI
18th Jul 20264211 AMAQI
18th Jul 20264812 PMAQI
18th Jul 2026421 PMAQI
18th Jul 2026492 PMAQI
18th Jul 2026423 PMAQI
18th Jul 2026484 PMAQI
18th Jul 2026365 PMAQI
18th Jul 2026366 PMAQI
18th Jul 2026497 PMAQI
18th Jul 2026588 PMAQI
18th Jul 2026649 PMAQI
18th Jul 20267410 PMAQI
18th Jul 20268411 PMAQI
19th Jul 20267212 AMAQI
19th Jul 2026691 AMAQI
19th Jul 2026522 AMAQI
19th Jul 2026533 AMAQI
19th Jul 2026534 AMAQI

27°C22/33°C

19th Jul 2026625 AMAQI
19th Jul 2026656 AMAQI
19th Jul 2026667 AMAQI
19th Jul 2026718 AMAQI
19th Jul 2026709 AMAQI
19th Jul 20266610 AMAQI
19th Jul 20266611 AMAQI
19th Jul 20263612 PMAQI
19th Jul 2026311 PMAQI
19th Jul 2026362 PMAQI
19th Jul 2026453 PMAQI
19th Jul 2026544 PMAQI
19th Jul 2026545 PMAQI
19th Jul 2026556 PMAQI
19th Jul 2026407 PMAQI
19th Jul 2026488 PMAQI
19th Jul 2026469 PMAQI
19th Jul 20265710 PMAQI
19th Jul 20265711 PMAQI
20th Jul 20266012 AMAQI
20th Jul 2026601 AMAQI
20th Jul 2026672 AMAQI
20th Jul 2026623 AMAQI
20th Jul 2026564 AMAQI

27°C23/31°C

20th Jul 2026595 AMAQI
20th Jul 2026686 AMAQI
20th Jul 2026767 AMAQI
20th Jul 2026678 AMAQI
20th Jul 2026689 AMAQI
20th Jul 20265810 AMAQI
20th Jul 20265811 AMAQI
20th Jul 20265512 PMAQI
20th Jul 2026521 PMAQI
20th Jul 2026532 PMAQI
20th Jul 2026513 PMAQI
20th Jul 2026384 PMAQI
20th Jul 2026385 PMAQI
20th Jul 2026406 PMAQI
20th Jul 2026427 PMAQI
20th Jul 2026518 PMAQI
20th Jul 2026589 PMAQI
20th Jul 20264610 PMAQI
20th Jul 20263611 PMAQI
21st Jul 20264212 AMAQI
21st Jul 2026501 AMAQI
21st Jul 2026382 AMAQI
21st Jul 2026463 AMAQI
21st Jul 2026464 AMAQI

26°C23/30°C

21st Jul 2026405 AMAQI
21st Jul 2026486 AMAQI
21st Jul 2026587 AMAQI
21st Jul 2026678 AMAQI
21st Jul 2026709 AMAQI
21st Jul 20264011 AMAQI
21st Jul 20263112 PMAQI
21st Jul 2026311 PMAQI
21st Jul 2026272 PMAQI
21st Jul 2026383 PMAQI
21st Jul 2026384 PMAQI
21st Jul 2026845 PMAQI
21st Jul 2026336 PMAQI
21st Jul 2026337 PMAQI
21st Jul 2026338 PMAQI
21st Jul 2026239 PMAQI
21st Jul 20262310 PMAQI
21st Jul 20262111 PMAQI
22nd Jul 20262112 AMAQI
22nd Jul 2026301 AMAQI
22nd Jul 2026212 AMAQI
22nd Jul 2026343 AMAQI
22nd Jul 2026334 AMAQI

26°C23/30°C

22nd Jul 2026335 AMAQI
22nd Jul 2026336 AMAQI
22nd Jul 2026237 AMAQI
22nd Jul 2026258 AMAQI
22nd Jul 2026369 AMAQI
22nd Jul 20262710 AMAQI
22nd Jul 20262511 AMAQI
22nd Jul 20262512 PMAQI
22nd Jul 2026271 PMAQI
22nd Jul 2026252 PMAQI
22nd Jul 2026213 PMAQI
22nd Jul 2026214 PMAQI
22nd Jul 2026215 PMAQI
22nd Jul 2026216 PMAQI
22nd Jul 2026257 PMAQI
22nd Jul 2026258 PMAQI
22nd Jul 2026369 PMAQI
22nd Jul 20262510 PMAQI
22nd Jul 20262511 PMAQI
23rd Jul 20262112 AMAQI
23rd Jul 2026211 AMAQI
23rd Jul 2026382 AMAQI
23rd Jul 2026383 AMAQI
23rd Jul 2026304 AMAQI

25°C23/27°C

23rd Jul 2026385 AMAQI
23rd Jul 2026346 AMAQI
23rd Jul 2026297 AMAQI
23rd Jul 2026298 AMAQI
23rd Jul 2026429 AMAQI
23rd Jul 20265410 AMAQI
23rd Jul 20264611 AMAQI
23rd Jul 20264212 PMAQI
23rd Jul 2026401 PMAQI
23rd Jul 2026312 PMAQI
23rd Jul 2026233 PMAQI
23rd Jul 2026454 PMAQI
23rd Jul 2026335 PMAQI
23rd Jul 2026336 PMAQI
23rd Jul 2026387 PMAQI
23rd Jul 2026468 PMAQI
23rd Jul 2026389 PMAQI
23rd Jul 20262310 PMAQI
23rd Jul 20264011 PMAQI
24th Jul 20262312 AMAQI
24th Jul 2026271 AMAQI
24th Jul 2026252 AMAQI
24th Jul 2026273 AMAQI
24th Jul 2026214 AMAQI

26°C23/31°C

24th Jul 2026425 AMAQI
24th Jul 2026296 AMAQI
24th Jul 2026277 AMAQI
24th Jul 2026258 AMAQI
24th Jul 2026239 AMAQI
24th Jul 20262710 AMAQI
24th Jul 20263311 AMAQI
24th Jul 20263812 PMAQI
24th Jul 2026331 PMAQI
24th Jul 2026332 PMAQI
24th Jul 2026293 PMAQI
24th Jul 2026294 PMAQI
24th Jul 2026335 PMAQI
24th Jul 2026386 PMAQI
24th Jul 2026277 PMAQI
24th Jul 2026238 PMAQI
24th Jul 2026339 PMAQI
24th Jul 20262510 PMAQI
24th Jul 20263311 PMAQI
25th Jul 20262712 AMAQI
25th Jul 2026291 AMAQI
25th Jul 2026382 AMAQI
25th Jul 2026213 AMAQI
25th Jul 2026214 AMAQI

27°C24/31°C

25th Jul 2026335 AMAQI
25th Jul 2026336 AMAQI
25th Jul 2026297 AMAQI
25th Jul 2026298 AMAQI
25th Jul 2026239 AMAQI
25th Jul 20262510 AMAQI
25th Jul 20263311 AMAQI
25th Jul 20263812 PMAQI
25th Jul 2026381 PMAQI
25th Jul 2026252 PMAQI
25th Jul 2026273 PMAQI
25th Jul 2026214 PMAQI
25th Jul 2026255 PMAQI
25th Jul 2026256 PMAQI
25th Jul 2026217 PMAQI
25th Jul 2026218 PMAQI
25th Jul 2026219 PMAQI
25th Jul 20263810 PMAQI
25th Jul 20262511 PMAQI
26th Jul 20262512 AMAQI
26th Jul 2026251 AMAQI
26th Jul 2026342 AMAQI
26th Jul 2026343 AMAQI
26th Jul 2026484 AMAQI

27°C24/32°C

26th Jul 2026565 AMAQI
26th Jul 2026446 AMAQI
26th Jul 2026447 AMAQI
26th Jul 2026408 AMAQI
26th Jul 2026499 AMAQI
26th Jul 20265010 AMAQI
26th Jul 20263811 AMAQI
26th Jul 20263812 PMAQI
26th Jul 2026551 PMAQI
26th Jul 2026442 PMAQI
26th Jul 2026383 PMAQI
26th Jul 2026274 PMAQI
26th Jul 2026345 PMAQI
26th Jul 2026446 PMAQI
26th Jul 2026347 PMAQI
26th Jul 2026468 PMAQI
26th Jul 2026409 PMAQI
26th Jul 20263310 PMAQI
26th Jul 20263411 PMAQI
27th Jul 20264212 AMAQI
27th Jul 2026501 AMAQI
27th Jul 2026472 AMAQI
27th Jul 2026503 AMAQI
27th Jul 2026554 AMAQI

27°C24/32°C

27th Jul 2026475 AMAQI
27th Jul 2026566 AMAQI
27th Jul 2026557 AMAQI
27th Jul 2026548 AMAQI
27th Jul 2026549 AMAQI
27th Jul 20265410 AMAQI
27th Jul 20263811 AMAQI
27th Jul 20263012 PMAQI
27th Jul 2026381 PMAQI
27th Jul 2026382 PMAQI
27th Jul 2026383 PMAQI
27th Jul 2026304 PMAQI
27th Jul 2026315 PMAQI
27th Jul 2026296 PMAQI
27th Jul 2026317 PMAQI
27th Jul 2026388 PMAQI
27th Jul 2026709 PMAQI
27th Jul 20264410 PMAQI
27th Jul 20264611 PMAQI
28th Jul 20262712 AMAQI
28th Jul 2026321 AMAQI
28th Jul 2026212 AMAQI
28th Jul 2026423 AMAQI
28th Jul 2026334 AMAQI

26°C24/31°C

28th Jul 2026275 AMAQI
28th Jul 2026296 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026288 AMAQI
28th Jul 2026299 AMAQI
28th Jul 20263310 AMAQI
28th Jul 20262711 AMAQI
28th Jul 20263612 PMAQI
28th Jul 2026311 PMAQI
28th Jul 2026272 PMAQI
28th Jul 2026253 PMAQI
28th Jul 2026234 PMAQI
28th Jul 2026255 PMAQI
28th Jul 2026336 PMAQI
28th Jul 2026427 PMAQI
28th Jul 2026628 PMAQI
28th Jul 2026579 PMAQI
28th Jul 20265710 PMAQI
28th Jul 20265111 PMAQI
29th Jul 20263612 AMAQI
29th Jul 2026381 AMAQI
29th Jul 2026402 AMAQI
29th Jul 2026323 AMAQI
29th Jul 2026334 AMAQI

25°C24/27°C

29th Jul 2026215 AMAQI
29th Jul 2026296 AMAQI
29th Jul 2026337 AMAQI
29th Jul 2026288 AMAQI
29th Jul 2026279 AMAQI
29th Jul 20263310 AMAQI
29th Jul 20263311 AMAQI
29th Jul 20263312 PMAQI
29th Jul 2026311 PMAQI
29th Jul 2026332 PMAQI
29th Jul 2026313 PMAQI
29th Jul 2026284 PMAQI
29th Jul 2026315 PMAQI
29th Jul 2026216 PMAQI
29th Jul 2026277 PMAQI
29th Jul 2026318 PMAQI
29th Jul 2026219 PMAQI
29th Jul 20263110 PMAQI
29th Jul 20263111 PMAQI
30th Jul 20266012 AMAQI
30th Jul 2026621 AMAQI
30th Jul 2026622 AMAQI
30th Jul 2026663 AMAQI
30th Jul 2026604 AMAQI

25°C24/26°C

30th Jul 2026665 AMAQI
30th Jul 2026586 AMAQI
30th Jul 2026567 AMAQI
30th Jul 2026468 AMAQI
30th Jul 2026509 AMAQI
30th Jul 20265210 AMAQI
30th Jul 20264211 AMAQI
30th Jul 20263312 PMAQI
30th Jul 2026381 PMAQI
30th Jul 2026332 PMAQI
30th Jul 2026263 PMAQI
30th Jul 2026274 PMAQI
30th Jul 2026405 PMAQI
30th Jul 2026466 PMAQI
30th Jul 2026287 PMAQI
30th Jul 2026388 PMAQI
30th Jul 2026229 PMAQI
30th Jul 20263610 PMAQI
30th Jul 20262711 PMAQI
31st Jul 20263412 AMAQI
31st Jul 2026211 AMAQI
31st Jul 2026272 AMAQI
31st Jul 2026213 AMAQI
31st Jul 2026304 AMAQI

26°C23/29°C

31st Jul 2026385 AMAQI
31st Jul 2026426 AMAQI
31st Jul 2026387 AMAQI
31st Jul 2026278 AMAQI
31st Jul 2026299 AMAQI
31st Jul 20263310 AMAQI
31st Jul 20263811 AMAQI
31st Jul 20263812 PMAQI
31st Jul 2026291 PMAQI
31st Jul 2026262 PMAQI
31st Jul 2026243 PMAQI
31st Jul 2026424 PMAQI
31st Jul 2026275 PMAQI
31st Jul 2026286 PMAQI
31st Jul 2026337 PMAQI
31st Jul 2026388 PMAQI
31st Jul 2026429 PMAQI
31st Jul 20264210 PMAQI
31st Jul 20264411 PMAQI
1st Aug 20264612 AMAQI
1st Aug 2026291 AMAQI
1st Aug 2026292 AMAQI
1st Aug 2026333 AMAQI
1st Aug 2026294 AMAQI

25°C24/29°C

1st Aug 2026385 AMAQI
1st Aug 2026426 AMAQI
1st Aug 2026407 AMAQI
1st Aug 2026428 AMAQI
1st Aug 2026479 AMAQI
1st Aug 20264810 AMAQI
1st Aug 20265111 AMAQI
1st Aug 20265012 PMAQI
1st Aug 2026421 PMAQI
1st Aug 2026462 PMAQI
1st Aug 2026463 PMAQI
1st Aug 2026334 PMAQI
1st Aug 2026335 PMAQI
1st Aug 2026286 PMAQI
1st Aug 2026367 PMAQI
1st Aug 2026448 PMAQI
1st Aug 2026389 PMAQI
1st Aug 20263610 PMAQI
1st Aug 20262711 PMAQI
2nd Aug 20262312 AMAQI
2nd Aug 2026171 AMAQI
2nd Aug 2026192 AMAQI
2nd Aug 2026303 AMAQI
2nd Aug 2026314 AMAQI

25°C24/28°C

2nd Aug 2026365 AMAQI
2nd Aug 2026516 AMAQI
2nd Aug 2026407 AMAQI
2nd Aug 2026328 AMAQI
2nd Aug 2026309 AMAQI
2nd Aug 20263810 AMAQI
2nd Aug 20262211 AMAQI
2nd Aug 20263812 PMAQI
2nd Aug 2026381 PMAQI
2nd Aug 2026292 PMAQI
2nd Aug 2026663 PMAQI
2nd Aug 2026384 PMAQI
2nd Aug 2026295 PMAQI
2nd Aug 2026346 PMAQI
2nd Aug 2026407 PMAQI
2nd Aug 2026408 PMAQI
2nd Aug 2026239 PMAQI
2nd Aug 20264210 PMAQI
2nd Aug 20262111 PMAQI
3rd Aug 20262512 AMAQI
3rd Aug 2026231 AMAQI
3rd Aug 2026382 AMAQI
3rd Aug 2026383 AMAQI
3rd Aug 2026504 AMAQI

25°C24/29°C

3rd Aug 2026555 AMAQI
3rd Aug 2026516 AMAQI
3rd Aug 2026447 AMAQI
3rd Aug 2026478 AMAQI
3rd Aug 2026349 AMAQI
3rd Aug 20262410 AMAQI
3rd Aug 20262711 AMAQI
3rd Aug 20262712 PMAQI
3rd Aug 2026311 PMAQI
3rd Aug 2026312 PMAQI
3rd Aug 2026293 PMAQI
3rd Aug 2026304 PMAQI
3rd Aug 2026385 PMAQI
3rd Aug 2026366 PMAQI
3rd Aug 2026347 PMAQI
3rd Aug 2026308 PMAQI
3rd Aug 2026339 PMAQI
3rd Aug 20263110 PMAQI
3rd Aug 20263311 PMAQI
4th Aug 20264012 AMAQI
4th Aug 2026311 AMAQI
4th Aug 2026312 AMAQI
4th Aug 2026273 AMAQI
4th Aug 2026384 AMAQI

26°C23/31°C

4th Aug 2026295 AMAQI
4th Aug 2026366 AMAQI
4th Aug 2026427 AMAQI
4th Aug 2026368 AMAQI
4th Aug 2026429 AMAQI
4th Aug 20265110 AMAQI
4th Aug 20265011 AMAQI
4th Aug 20264612 PMAQI
4th Aug 2026521 PMAQI
4th Aug 2026512 PMAQI
4th Aug 2026493 PMAQI
4th Aug 2026444 PMAQI
4th Aug 2026445 PMAQI
4th Aug 2026426 PMAQI
4th Aug 2026527 PMAQI
4th Aug 2026548 PMAQI
4th Aug 2026489 PMAQI
4th Aug 20264010 PMAQI
4th Aug 20264011 PMAQI
5th Aug 20264612 AMAQI
5th Aug 2026451 AMAQI
5th Aug 2026382 AMAQI
5th Aug 2026343 AMAQI
5th Aug 2026424 AMAQI

25°C24/26°C

5th Aug 2026385 AMAQI
5th Aug 2026516 AMAQI
5th Aug 2026497 AMAQI
5th Aug 2026508 AMAQI
5th Aug 2026409 AMAQI
5th Aug 20264210 AMAQI
5th Aug 20263411 AMAQI
5th Aug 20264212 PMAQI
5th Aug 2026491 PMAQI
5th Aug 2026492 PMAQI
5th Aug 2026403 PMAQI
5th Aug 2026484 PMAQI
5th Aug 2026315 PMAQI
5th Aug 2026486 PMAQI
5th Aug 2026517 PMAQI
5th Aug 2026518 PMAQI
5th Aug 2026509 PMAQI
5th Aug 20264210 PMAQI
5th Aug 20264011 PMAQI
6th Aug 20264212 AMAQI
6th Aug 2026381 AMAQI
6th Aug 2026302 AMAQI
6th Aug 2026233 AMAQI
6th Aug 2026264 AMAQI

24°C23/26°C

6th Aug 2026315 AMAQI
6th Aug 2026316 AMAQI
6th Aug 2026467 AMAQI
6th Aug 2026508 AMAQI
6th Aug 2026489 AMAQI
6th Aug 20263610 AMAQI
6th Aug 20264211 AMAQI
6th Aug 20263412 PMAQI
6th Aug 2026251 PMAQI
6th Aug 2026322 PMAQI
6th Aug 2026343 PMAQI
6th Aug 2026384 PMAQI
6th Aug 2026385 PMAQI
6th Aug 2026336 PMAQI
6th Aug 2026307 PMAQI
6th Aug 2026508 PMAQI
6th Aug 2026469 PMAQI
6th Aug 20264710 PMAQI
6th Aug 20265111 PMAQI
7th Aug 20263212 AMAQI
7th Aug 2026361 AMAQI
7th Aug 2026402 AMAQI
7th Aug 2026403 AMAQI
7th Aug 2026344 AMAQI

25°C23/28°C

7th Aug 2026445 AMAQI
7th Aug 2026546 AMAQI
7th Aug 2026427 AMAQI
7th Aug 2026558 AMAQI
7th Aug 2026499 AMAQI
7th Aug 20264910 AMAQI
7th Aug 20264611 AMAQI
7th Aug 20264912 PMAQI
7th Aug 2026481 PMAQI
7th Aug 2026512 PMAQI
7th Aug 2026363 PMAQI
7th Aug 2026384 PMAQI
7th Aug 2026275 PMAQI
7th Aug 2026256 PMAQI
7th Aug 2026337 PMAQI
7th Aug 2026538 PMAQI
7th Aug 2026499 PMAQI
7th Aug 20264810 PMAQI
7th Aug 20264811 PMAQI
8th Aug 20263612 AMAQI
8th Aug 2026361 AMAQI
8th Aug 2026312 AMAQI
8th Aug 2026293 AMAQI
8th Aug 2026274 AMAQI

24°C23/27°C

8th Aug 2026385 AMAQI
8th Aug 2026336 AMAQI
8th Aug 2026347 AMAQI
8th Aug 2026468 AMAQI
8th Aug 2026549 AMAQI
8th Aug 20265110 AMAQI
8th Aug 20265611 AMAQI
8th Aug 20266012 PMAQI
8th Aug 2026401 PMAQI
8th Aug 2026382 PMAQI
8th Aug 2026273 PMAQI
8th Aug 2026314 PMAQI
8th Aug 2026625 PMAQI
8th Aug 2026236 PMAQI
8th Aug 2026337 PMAQI
8th Aug 2026338 PMAQI
8th Aug 2026339 PMAQI
8th Aug 20262310 PMAQI
8th Aug 20262311 PMAQI
9th Aug 20262712 AMAQI
9th Aug 2026291 AMAQI
9th Aug 2026232 AMAQI
9th Aug 2026233 AMAQI
9th Aug 2026254 AMAQI

25°C24/27°C

9th Aug 2026295 AMAQI
9th Aug 2026256 AMAQI
9th Aug 2026387 AMAQI
9th Aug 2026408 AMAQI
9th Aug 2026369 AMAQI
9th Aug 20263310 AMAQI
9th Aug 20263311 AMAQI
9th Aug 20262912 PMAQI
9th Aug 2026271 PMAQI
9th Aug 2026292 PMAQI
9th Aug 2026293 PMAQI
9th Aug 2026294 PMAQI
9th Aug 2026295 PMAQI
9th Aug 2026336 PMAQI
9th Aug 2026367 PMAQI
9th Aug 2026528 PMAQI
9th Aug 2026499 PMAQI
9th Aug 20264710 PMAQI
9th Aug 20264611 PMAQI
10th Aug 20264612 AMAQI
10th Aug 2026421 AMAQI
10th Aug 2026362 AMAQI
10th Aug 2026483 AMAQI
10th Aug 2026504 AMAQI

26°C24/31°C

10th Aug 2026405 AMAQI
10th Aug 2026526 AMAQI
10th Aug 2026537 AMAQI
10th Aug 2026238 AMAQI
10th Aug 2026299 AMAQI
10th Aug 20262710 AMAQI
10th Aug 20262311 AMAQI
10th Aug 20262912 PMAQI
10th Aug 2026291 PMAQI
10th Aug 2026252 PMAQI
10th Aug 2026293 PMAQI
10th Aug 2026254 PMAQI
10th Aug 2026295 PMAQI
10th Aug 2026236 PMAQI
10th Aug 2026217 PMAQI
10th Aug 2026218 PMAQI
10th Aug 2026529 PMAQI
10th Aug 20265110 PMAQI
10th Aug 20265311 PMAQI
11th Aug 20264212 AMAQI
11th Aug 2026471 AMAQI
11th Aug 2026482 AMAQI
11th Aug 2026523 AMAQI
11th Aug 2026534 AMAQI

27°C24/31°C

11th Aug 2026565 AMAQI
11th Aug 2026466 AMAQI
11th Aug 2026527 AMAQI
11th Aug 2026608 AMAQI
11th Aug 2026719 AMAQI
11th Aug 20266410 AMAQI
11th Aug 20264811 AMAQI
11th Aug 20265412 PMAQI
11th Aug 2026531 PMAQI
11th Aug 2026532 PMAQI
11th Aug 2026503 PMAQI
11th Aug 2026364 PMAQI
11th Aug 2026315 PMAQI
11th Aug 2026316 PMAQI
11th Aug 2026547 PMAQI
11th Aug 2026498 PMAQI
11th Aug 2026409 PMAQI
11th Aug 20264410 PMAQI
11th Aug 20264611 PMAQI
12th Aug 20264012 AMAQI
12th Aug 2026501 AMAQI
12th Aug 2026442 AMAQI
12th Aug 2026443 AMAQI
12th Aug 2026444 AMAQI

26°C24/30°C

12th Aug 2026465 AMAQI
12th Aug 2026346 AMAQI
12th Aug 2026477 AMAQI
12th Aug 2026538 AMAQI
12th Aug 2026509 AMAQI
12th Aug 20266010 AMAQI
12th Aug 20265111 AMAQI
12th Aug 20265512 PMAQI
12th Aug 2026471 PMAQI
12th Aug 2026382 PMAQI
12th Aug 2026333 PMAQI
12th Aug 2026334 PMAQI
12th Aug 2026255 PMAQI
12th Aug 2026326 PMAQI
12th Aug 2026587 PMAQI
12th Aug 2026478 PMAQI
12th Aug 2026369 PMAQI
12th Aug 20265010 PMAQI
12th Aug 20265411 PMAQI
13th Aug 20265412 AMAQI
13th Aug 2026521 AMAQI
13th Aug 2026522 AMAQI
13th Aug 2026513 AMAQI
13th Aug 2026564 AMAQI

26°C24/32°C

13th Aug 2026555 AMAQI
5 AM
13th Aug 2026566 AMAQI
13th Aug 2026527 AMAQI
13th Aug 2026558 AMAQI
13th Aug 2026489 AMAQI
13th Aug 20265310 AMAQI
13th Aug 20264211 AMAQI
11 AM
13th Aug 20262312 PMAQI
13th Aug 2026211 PMAQI
13th Aug 2026512 PMAQI
13th Aug 2026363 PMAQI
13th Aug 2026344 PMAQI
13th Aug 2026405 PMAQI
13th Aug 2026426 PMAQI
6 PM
13th Aug 2026297 PMAQI
13th Aug 2026448 PMAQI
13th Aug 2026489 PMAQI
13th Aug 20265610 PMAQI
13th Aug 20265511 PMAQI
11 PM
4 AM

28°C25/33°C

Day time
Avg. Highest Time
5 AM - 10 AM

44AQI

6 hours / Day
180 hours / Month
Avg. Lowest Time
3 PM - 4 PM

35AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 10 AM (Avg. 44), while the lowest AQI was between 3 PM to 4 PM (Avg. 35).
Night time
Avg. Highest Time
8 PM - 10 PM

43AQI

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

38AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 10 PM (Avg. 43), while the lowest AQI was between 2 AM to 7 PM (Avg. 38).

2026 Days Vs Air Quality

Vientiane, Chanthabuly District, Laos

2026

37%

81

38%

83

20%

44

6%

13

Total number of days with different AQI categories in last 225 days in 2026 (140 days remaining)

Good
81 Days
Moderate
83 Days
Poor
44 Days
Unhealthy
13 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 37%

Health Risk Level:

High

In 2026, 37% of 225 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, 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
103AQI (US)
27th January 2026
87AQI (US)
28th January 2026
84AQI (US)
29th January 2026
97AQI (US)
30th January 2026
119AQI (US)
31st January 2026
110AQI (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
100AQI (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
91AQI (US)
15th February 2026
91AQI (US)
16th February 2026
108AQI (US)
17th February 2026
80AQI (US)
18th February 2026
51AQI (US)
19th February 2026
31AQI (US)
20th February 2026
37AQI (US)
21st February 2026
81AQI (US)
22nd February 2026
130AQI (US)
23rd February 2026
122AQI (US)
24th February 2026
106AQI (US)
25th February 2026
62AQI (US)
26th February 2026
58AQI (US)
27th February 2026
68AQI (US)
28th February 2026
65AQI (US)
1st March 2026
80AQI (US)
2nd March 2026
92AQI (US)
3rd March 2026
105AQI (US)
4th March 2026
87AQI (US)
5th March 2026
58AQI (US)
6th March 2026
54AQI (US)
7th March 2026
50AQI (US)
8th March 2026
53AQI (US)
9th March 2026
75AQI (US)
10th March 2026
38AQI (US)
11th March 2026
88AQI (US)
12th March 2026
71AQI (US)
13th March 2026
96AQI (US)
14th March 2026
74AQI (US)
15th March 2026
62AQI (US)
16th March 2026
73AQI (US)
17th March 2026
83AQI (US)
18th March 2026
113AQI (US)
19th March 2026
118AQI (US)
20th March 2026
116AQI (US)
21st March 2026
107AQI (US)
22nd March 2026
116AQI (US)
23rd March 2026
105AQI (US)
24th March 2026
120AQI (US)
25th March 2026
111AQI (US)
26th March 2026
109AQI (US)
27th March 2026
144AQI (US)
28th March 2026
141AQI (US)
29th March 2026
118AQI (US)
30th March 2026
137AQI (US)
31st March 2026
145AQI (US)
1st April 2026
159AQI (US)
2nd April 2026
160AQI (US)
3rd April 2026
156AQI (US)
4th April 2026
160AQI (US)
5th April 2026
164AQI (US)
6th April 2026
166AQI (US)
7th April 2026
161AQI (US)
8th April 2026
155AQI (US)
9th April 2026
152AQI (US)
10th April 2026
147AQI (US)
11th April 2026
143AQI (US)
12th April 2026
149AQI (US)
13th April 2026
156AQI (US)
14th April 2026
153AQI (US)
15th April 2026
151AQI (US)
16th April 2026
152AQI (US)
17th April 2026
18th April 2026
132AQI (US)
19th April 2026
122AQI (US)
20th April 2026
103AQI (US)
21st April 2026
128AQI (US)
22nd April 2026
23rd April 2026
136AQI (US)
24th April 2026
83AQI (US)
25th April 2026
68AQI (US)
26th April 2026
75AQI (US)
27th April 2026
94AQI (US)
28th April 2026
89AQI (US)
29th April 2026
77AQI (US)
30th April 2026
67AQI (US)
1st May 2026
78AQI (US)
2nd May 2026
56AQI (US)
3rd May 2026
86AQI (US)
4th May 2026
61AQI (US)
5th May 2026
56AQI (US)
6th May 2026
62AQI (US)
7th May 2026
88AQI (US)
8th May 2026
67AQI (US)
9th May 2026
10th May 2026
57AQI (US)
11th May 2026
78AQI (US)
12th May 2026
81AQI (US)
13th May 2026
58AQI (US)
14th May 2026
54AQI (US)
15th May 2026
41AQI (US)
16th May 2026
87AQI (US)
17th May 2026
83AQI (US)
18th May 2026
75AQI (US)
19th May 2026
60AQI (US)
20th May 2026
70AQI (US)
21st May 2026
75AQI (US)
22nd May 2026
63AQI (US)
23rd May 2026
47AQI (US)
24th May 2026
55AQI (US)
25th May 2026
57AQI (US)
26th May 2026
46AQI (US)
27th May 2026
39AQI (US)
28th May 2026
57AQI (US)
29th May 2026
42AQI (US)
30th May 2026
46AQI (US)
31st May 2026
50AQI (US)
1st June 2026
72AQI (US)
2nd June 2026
70AQI (US)
3rd June 2026
75AQI (US)
4th June 2026
63AQI (US)
5th June 2026
42AQI (US)
6th June 2026
33AQI (US)
7th June 2026
29AQI (US)
8th June 2026
28AQI (US)
9th June 2026
22AQI (US)
10th June 2026
33AQI (US)
11th June 2026
34AQI (US)
12th June 2026
34AQI (US)
13th June 2026
40AQI (US)
14th June 2026
38AQI (US)
15th June 2026
24AQI (US)
16th June 2026
33AQI (US)
17th June 2026
36AQI (US)
18th June 2026
39AQI (US)
19th June 2026
34AQI (US)
20th June 2026
32AQI (US)
21st June 2026
28AQI (US)
22nd June 2026
32AQI (US)
23rd June 2026
41AQI (US)
24th June 2026
42AQI (US)
25th June 2026
27AQI (US)
26th June 2026
35AQI (US)
27th June 2026
33AQI (US)
28th June 2026
34AQI (US)
29th June 2026
38AQI (US)
30th June 2026
31AQI (US)
1st July 2026
29AQI (US)
2nd July 2026
28AQI (US)
3rd July 2026
35AQI (US)
4th July 2026
32AQI (US)
5th July 2026
33AQI (US)
6th July 2026
27AQI (US)
7th July 2026
35AQI (US)
8th July 2026
33AQI (US)
9th July 2026
36AQI (US)
10th July 2026
37AQI (US)
11th July 2026
41AQI (US)
12th July 2026
43AQI (US)
13th July 2026
34AQI (US)
14th July 2026
46AQI (US)
15th July 2026
34AQI (US)
16th July 2026
44AQI (US)
17th July 2026
44AQI (US)
18th July 2026
46AQI (US)
19th July 2026
55AQI (US)
20th July 2026
55AQI (US)
21st July 2026
42AQI (US)
22nd July 2026
27AQI (US)
23rd July 2026
36AQI (US)
24th July 2026
29AQI (US)
25th July 2026
28AQI (US)
26th July 2026
40AQI (US)
27th July 2026
44AQI (US)
28th July 2026
34AQI (US)
29th July 2026
30AQI (US)
30th July 2026
45AQI (US)
31st July 2026
33AQI (US)
1st August 2026
39AQI (US)
2nd August 2026
34AQI (US)
3rd August 2026
35AQI (US)
4th August 2026
42AQI (US)
5th August 2026
44AQI (US)
6th August 2026
38AQI (US)
7th August 2026
43AQI (US)
8th August 2026
37AQI (US)
9th August 2026
33AQI (US)
10th August 2026
36AQI (US)
11th August 2026
49AQI (US)
12th August 2026
45AQI (US)
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)

78AQI (US)

95AQI (US)

131AQI (US)

63AQI (US)

38AQI (US)

37AQI (US)

40AQI (US)

No. of days

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

202674AQI (US)

2
13
16
3
20
5
2
14
15
7
8
13
7
23
26
4
29
2
12
81
83
44
13

Highest AQI (US) recorded in

April

131AQI (US)

Lowest AQI (US) recorded in

July

37AQI (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

January

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)

Vientiane's annual 2026 AQI (US) (74) shows an average percentage change of -13.01% (improved AQI (US)) compared to previous years: 2022 (126), 2023 (109), 2024 (61), 2025 (74).