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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Vientiane US Embassy, Tha Bo, Nong Khai, Thailand 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 US Embassy, Tha Bo, Nong Khai, Thailand

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
13th Aug 2023
82AQI
Lowest AQI recorded on
17th Aug 2024
15AQI

Same Day Analysis (18th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 42 of Good air quality, showing improvement over 2025 and 2023 on the same day.

Day & Night AQI Trend: 17th Aug - 18th Aug 2026

Vientiane US Embassy, Tha Bo, Nong Khai, Thailand

AQI
Day
Night
.

5 AM17th Aug 2026

6 PM

4 AM18th Aug 2026

Day time
Avg. Highest Time
9AM17th Aug

54AQI

Avg. Lowest Time
4PM17th Aug

25AQI

Night time
Avg. Highest Time
12AM18th Aug

53AQI

Avg. Lowest Time
7PM17th Aug

31AQI

In the last 24 hours,

Vientiane US Embassy's AQI reached its highest point of 54 at 9 AM during the Day, while the lowest point, 25, was recorded at 4 PM during the Day between 17th Aug and 18th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Vientiane US Embassy, Tha Bo, Nong Khai, Thailand

JulAug
20th - 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 - 15th15th - 16th16th - 17th17th - 18th18th
Day
Night
20th Jul 2026605 AMAQI
20th Jul 2026726 AMAQI
20th Jul 2026747 AMAQI
20th Jul 2026668 AMAQI
20th Jul 2026669 AMAQI
20th Jul 20265310 AMAQI
20th Jul 20265611 AMAQI
20th Jul 20265212 PMAQI
20th Jul 2026521 PMAQI
20th Jul 2026512 PMAQI
20th Jul 2026553 PMAQI
20th Jul 2026404 PMAQI
20th Jul 2026405 PMAQI
20th Jul 2026426 PMAQI
20th Jul 2026447 PMAQI
20th Jul 2026518 PMAQI
20th Jul 2026579 PMAQI
20th Jul 20264610 PMAQI
20th Jul 20264011 PMAQI
21st Jul 20264412 AMAQI
21st Jul 2026481 AMAQI
21st Jul 2026422 AMAQI
21st Jul 2026463 AMAQI
21st Jul 2026444 AMAQI

26°C24/29°C

21st Jul 2026385 AMAQI
21st Jul 2026516 AMAQI
21st Jul 2026557 AMAQI
21st Jul 2026678 AMAQI
21st Jul 2026679 AMAQI
21st Jul 20263611 AMAQI
21st Jul 20263312 PMAQI
21st Jul 2026331 PMAQI
21st Jul 2026302 PMAQI
21st Jul 2026383 PMAQI
21st Jul 2026384 PMAQI
21st Jul 2026945 PMAQI
21st Jul 2026336 PMAQI
21st Jul 2026367 PMAQI
21st Jul 2026338 PMAQI
21st Jul 2026239 PMAQI
21st Jul 20262110 PMAQI
21st Jul 20262111 PMAQI
22nd Jul 20262312 AMAQI
22nd Jul 2026301 AMAQI
22nd Jul 2026232 AMAQI
22nd Jul 2026343 AMAQI
22nd Jul 2026384 AMAQI

26°C23/31°C

22nd Jul 2026335 AMAQI
22nd Jul 2026336 AMAQI
22nd Jul 2026237 AMAQI
22nd Jul 2026258 AMAQI
22nd Jul 2026369 AMAQI
22nd Jul 20262910 AMAQI
22nd Jul 20262511 AMAQI
22nd Jul 20262712 PMAQI
22nd Jul 2026291 PMAQI
22nd Jul 2026212 PMAQI
22nd Jul 2026213 PMAQI
22nd Jul 2026214 PMAQI
22nd Jul 2026215 PMAQI
22nd Jul 2026216 PMAQI
22nd Jul 2026237 PMAQI
22nd Jul 2026298 PMAQI
22nd Jul 2026409 PMAQI
22nd Jul 20262710 PMAQI
22nd Jul 20262511 PMAQI
23rd Jul 20262112 AMAQI
23rd Jul 2026211 AMAQI
23rd Jul 2026302 AMAQI
23rd Jul 2026383 AMAQI
23rd Jul 2026304 AMAQI

25°C24/27°C

23rd Jul 2026345 AMAQI
23rd Jul 2026386 AMAQI
23rd Jul 2026277 AMAQI
23rd Jul 2026298 AMAQI
23rd Jul 2026469 AMAQI
23rd Jul 20265610 AMAQI
23rd Jul 20264611 AMAQI
23rd Jul 20264212 PMAQI
23rd Jul 2026401 PMAQI
23rd Jul 2026312 PMAQI
23rd Jul 2026263 PMAQI
23rd Jul 2026464 PMAQI
23rd Jul 2026335 PMAQI
23rd Jul 2026336 PMAQI
23rd Jul 2026387 PMAQI
23rd Jul 2026448 PMAQI
23rd Jul 2026389 PMAQI
23rd Jul 20262810 PMAQI
23rd Jul 20263811 PMAQI
24th Jul 20262212 AMAQI
24th Jul 2026251 AMAQI
24th Jul 2026222 AMAQI
24th Jul 2026223 AMAQI
24th Jul 2026424 AMAQI

27°C23/32°C

24th Jul 2026385 AMAQI
24th Jul 2026276 AMAQI
24th Jul 2026387 AMAQI
24th Jul 2026258 AMAQI
24th Jul 2026259 AMAQI
24th Jul 20262710 AMAQI
24th Jul 20263611 AMAQI
24th Jul 20263812 PMAQI
24th Jul 2026311 PMAQI
24th Jul 2026292 PMAQI
24th Jul 2026293 PMAQI
24th Jul 2026294 PMAQI
24th Jul 2026335 PMAQI
24th Jul 2026406 PMAQI
24th Jul 2026257 PMAQI
24th Jul 2026258 PMAQI
24th Jul 2026319 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 2026385 AMAQI
25th Jul 2026336 AMAQI
25th Jul 2026337 AMAQI
25th Jul 2026218 AMAQI
25th Jul 2026259 AMAQI
25th Jul 20263310 AMAQI
25th Jul 20263311 AMAQI
25th Jul 20262712 PMAQI
25th Jul 2026211 PMAQI
25th Jul 2026232 PMAQI
25th Jul 2026273 PMAQI
25th Jul 2026214 PMAQI
25th Jul 2026255 PMAQI
25th Jul 2026256 PMAQI
25th Jul 2026277 PMAQI
25th Jul 2026278 PMAQI
25th Jul 2026219 PMAQI
25th Jul 20264010 PMAQI
25th Jul 20262311 PMAQI
26th Jul 20262312 AMAQI
26th Jul 2026211 AMAQI
26th Jul 2026382 AMAQI
26th Jul 2026233 AMAQI
26th Jul 2026484 AMAQI

27°C24/32°C

26th Jul 2026555 AMAQI
26th Jul 2026426 AMAQI
26th Jul 2026447 AMAQI
26th Jul 2026408 AMAQI
26th Jul 2026529 AMAQI
26th Jul 20264910 AMAQI
26th Jul 20264011 AMAQI
26th Jul 20264012 PMAQI
26th Jul 2026551 PMAQI
26th Jul 2026452 PMAQI
26th Jul 2026383 PMAQI
26th Jul 2026304 PMAQI
26th Jul 2026345 PMAQI
26th Jul 2026426 PMAQI
26th Jul 2026367 PMAQI
26th Jul 2026488 PMAQI
26th Jul 2026389 PMAQI
26th Jul 20263810 PMAQI
26th Jul 20263611 PMAQI
27th Jul 20264712 AMAQI
27th Jul 2026461 AMAQI
27th Jul 2026462 AMAQI
27th Jul 2026483 AMAQI
27th Jul 2026554 AMAQI

27°C25/32°C

27th Jul 2026485 AMAQI
27th Jul 2026536 AMAQI
27th Jul 2026557 AMAQI
27th Jul 2026548 AMAQI
27th Jul 2026549 AMAQI
27th Jul 20265710 AMAQI
27th Jul 20263811 AMAQI
27th Jul 20263012 PMAQI
27th Jul 2026331 PMAQI
27th Jul 2026382 PMAQI
27th Jul 2026333 PMAQI
27th Jul 2026294 PMAQI
27th Jul 2026315 PMAQI
27th Jul 2026296 PMAQI
27th Jul 2026317 PMAQI
27th Jul 2026388 PMAQI
27th Jul 2026729 PMAQI
27th Jul 20264210 PMAQI
27th Jul 20264811 PMAQI
28th Jul 20262712 AMAQI
28th Jul 2026421 AMAQI
28th Jul 2026212 AMAQI
28th Jul 2026423 AMAQI
28th Jul 2026334 AMAQI

26°C24/30°C

28th Jul 2026305 AMAQI
28th Jul 2026276 AMAQI
28th Jul 2026217 AMAQI
28th Jul 2026258 AMAQI
28th Jul 2026299 AMAQI
28th Jul 20263610 AMAQI
28th Jul 20262511 AMAQI
28th Jul 20263812 PMAQI
28th Jul 2026331 PMAQI
28th Jul 2026292 PMAQI
28th Jul 2026253 PMAQI
28th Jul 2026234 PMAQI
28th Jul 2026215 PMAQI
28th Jul 2026336 PMAQI
28th Jul 2026387 PMAQI
28th Jul 2026628 PMAQI
28th Jul 2026569 PMAQI
28th Jul 20265410 PMAQI
28th Jul 20264811 PMAQI
29th Jul 20263612 AMAQI
29th Jul 2026361 AMAQI
29th Jul 2026402 AMAQI
29th Jul 2026363 AMAQI
29th Jul 2026344 AMAQI

26°C24/28°C

29th Jul 2026255 AMAQI
29th Jul 2026276 AMAQI
29th Jul 2026367 AMAQI
29th Jul 2026338 AMAQI
29th Jul 2026289 AMAQI
29th Jul 20263310 AMAQI
29th Jul 20263311 AMAQI
29th Jul 20263312 PMAQI
29th Jul 2026361 PMAQI
29th Jul 2026292 PMAQI
29th Jul 2026333 PMAQI
29th Jul 2026284 PMAQI
29th Jul 2026255 PMAQI
29th Jul 2026236 PMAQI
29th Jul 2026297 PMAQI
29th Jul 2026338 PMAQI
29th Jul 2026219 PMAQI
29th Jul 20263110 PMAQI
29th Jul 20262911 PMAQI
30th Jul 20266012 AMAQI
30th Jul 2026641 AMAQI
30th Jul 2026662 AMAQI
30th Jul 2026633 AMAQI
30th Jul 2026604 AMAQI

25°C24/26°C

30th Jul 2026645 AMAQI
30th Jul 2026606 AMAQI
30th Jul 2026587 AMAQI
30th Jul 2026478 AMAQI
30th Jul 2026519 AMAQI
30th Jul 20265010 AMAQI
30th Jul 20264211 AMAQI
30th Jul 20263312 PMAQI
30th Jul 2026381 PMAQI
30th Jul 2026332 PMAQI
30th Jul 2026313 PMAQI
30th Jul 2026274 PMAQI
30th Jul 2026405 PMAQI
30th Jul 2026426 PMAQI
30th Jul 2026337 PMAQI
30th Jul 2026388 PMAQI
30th Jul 2026229 PMAQI
30th Jul 20263610 PMAQI
30th Jul 20262511 PMAQI
31st Jul 20263212 AMAQI
31st Jul 2026301 AMAQI
31st Jul 2026272 AMAQI
31st Jul 2026273 AMAQI
31st Jul 2026304 AMAQI

26°C24/30°C

31st Jul 2026335 AMAQI
31st Jul 2026386 AMAQI
31st Jul 2026387 AMAQI
31st Jul 2026298 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 2026263 PMAQI
31st Jul 2026424 PMAQI
31st Jul 2026295 PMAQI
31st Jul 2026276 PMAQI
31st Jul 2026337 PMAQI
31st Jul 2026338 PMAQI
31st Jul 2026389 PMAQI
31st Jul 20264410 PMAQI
31st Jul 20264411 PMAQI
1st Aug 20264612 AMAQI
1st Aug 2026271 AMAQI
1st Aug 2026292 AMAQI
1st Aug 2026333 AMAQI
1st Aug 2026294 AMAQI

26°C24/30°C

1st Aug 2026385 AMAQI
1st Aug 2026406 AMAQI
1st Aug 2026407 AMAQI
1st Aug 2026428 AMAQI
1st Aug 2026489 AMAQI
1st Aug 20265110 AMAQI
1st Aug 20265111 AMAQI
1st Aug 20265012 PMAQI
1st Aug 2026401 PMAQI
1st Aug 2026462 PMAQI
1st Aug 2026463 PMAQI
1st Aug 2026334 PMAQI
1st Aug 2026315 PMAQI
1st Aug 2026276 PMAQI
1st Aug 2026407 PMAQI
1st Aug 2026468 PMAQI
1st Aug 2026429 PMAQI
1st Aug 20263610 PMAQI
1st Aug 20262511 PMAQI
2nd Aug 20262112 AMAQI
2nd Aug 2026191 AMAQI
2nd Aug 2026172 AMAQI
2nd Aug 2026303 AMAQI
2nd Aug 2026324 AMAQI

25°C24/28°C

2nd Aug 2026335 AMAQI
2nd Aug 2026516 AMAQI
2nd Aug 2026387 AMAQI
2nd Aug 2026348 AMAQI
2nd Aug 2026309 AMAQI
2nd Aug 20262110 AMAQI
2nd Aug 20263811 AMAQI
2nd Aug 20263812 PMAQI
2nd Aug 2026381 PMAQI
2nd Aug 2026342 PMAQI
2nd Aug 2026643 PMAQI
2nd Aug 2026364 PMAQI
2nd Aug 2026295 PMAQI
2nd Aug 2026366 PMAQI
2nd Aug 2026417 PMAQI
2nd Aug 2026428 PMAQI
2nd Aug 2026199 PMAQI
2nd Aug 20264410 PMAQI
2nd Aug 20262111 PMAQI
3rd Aug 20262912 AMAQI
3rd Aug 2026231 AMAQI
3rd Aug 2026402 AMAQI
3rd Aug 2026383 AMAQI
3rd Aug 2026514 AMAQI

26°C24/29°C

3rd Aug 2026605 AMAQI
3rd Aug 2026506 AMAQI
3rd Aug 2026427 AMAQI
3rd Aug 2026498 AMAQI
3rd Aug 2026349 AMAQI
3rd Aug 20262510 AMAQI
3rd Aug 20262711 AMAQI
3rd Aug 20262212 PMAQI
3rd Aug 2026311 PMAQI
3rd Aug 2026312 PMAQI
3rd Aug 2026293 PMAQI
3rd Aug 2026324 PMAQI
3rd Aug 2026365 PMAQI
3rd Aug 2026366 PMAQI
3rd Aug 2026347 PMAQI
3rd Aug 2026308 PMAQI
3rd Aug 2026309 PMAQI
3rd Aug 20263210 PMAQI
3rd Aug 20263111 PMAQI
4th Aug 20263612 AMAQI
4th Aug 2026311 AMAQI
4th Aug 2026292 AMAQI
4th Aug 2026233 AMAQI
4th Aug 2026384 AMAQI

26°C24/31°C

4th Aug 2026315 AMAQI
4th Aug 2026346 AMAQI
4th Aug 2026427 AMAQI
4th Aug 2026368 AMAQI
4th Aug 2026439 AMAQI
4th Aug 20265310 AMAQI
4th Aug 20265211 AMAQI
4th Aug 20264912 PMAQI
4th Aug 2026501 PMAQI
4th Aug 2026522 PMAQI
4th Aug 2026493 PMAQI
4th Aug 2026464 PMAQI
4th Aug 2026445 PMAQI
4th Aug 2026446 PMAQI
4th Aug 2026527 PMAQI
4th Aug 2026548 PMAQI
4th Aug 2026499 PMAQI
4th Aug 20264210 PMAQI
4th Aug 20264011 PMAQI
5th Aug 20264912 AMAQI
5th Aug 2026441 AMAQI
5th Aug 2026362 AMAQI
5th Aug 2026333 AMAQI
5th Aug 2026424 AMAQI

25°C25/27°C

5th Aug 2026365 AMAQI
5th Aug 2026496 AMAQI
5th Aug 2026497 AMAQI
5th Aug 2026528 AMAQI
5th Aug 2026449 AMAQI
5th Aug 20264210 AMAQI
5th Aug 20263411 AMAQI
5th Aug 20264012 PMAQI
5th Aug 2026481 PMAQI
5th Aug 2026462 PMAQI
5th Aug 2026403 PMAQI
5th Aug 2026454 PMAQI
5th Aug 2026345 PMAQI
5th Aug 2026486 PMAQI
5th Aug 2026537 PMAQI
5th Aug 2026528 PMAQI
5th Aug 2026529 PMAQI
5th Aug 20264410 PMAQI
5th Aug 20264011 PMAQI
6th Aug 20264212 AMAQI
6th Aug 2026381 AMAQI
6th Aug 2026302 AMAQI
6th Aug 2026313 AMAQI
6th Aug 2026264 AMAQI

24°C24/26°C

6th Aug 2026315 AMAQI
6th Aug 2026336 AMAQI
6th Aug 2026427 AMAQI
6th Aug 2026548 AMAQI
6th Aug 2026489 AMAQI
6th Aug 20263610 AMAQI
6th Aug 20264011 AMAQI
6th Aug 20263612 PMAQI
6th Aug 2026271 PMAQI
6th Aug 2026342 PMAQI
6th Aug 2026343 PMAQI
6th Aug 2026384 PMAQI
6th Aug 2026365 PMAQI
6th Aug 2026316 PMAQI
6th Aug 2026297 PMAQI
6th Aug 2026488 PMAQI
6th Aug 2026469 PMAQI
6th Aug 20264810 PMAQI
6th Aug 20265111 PMAQI
7th Aug 20263412 AMAQI
7th Aug 2026381 AMAQI
7th Aug 2026382 AMAQI
7th Aug 2026423 AMAQI
7th Aug 2026344 AMAQI

25°C23/27°C

7th Aug 2026445 AMAQI
7th Aug 2026516 AMAQI
7th Aug 2026467 AMAQI
7th Aug 2026558 AMAQI
7th Aug 2026499 AMAQI
7th Aug 20264810 AMAQI
7th Aug 20264611 AMAQI
7th Aug 20264812 PMAQI
7th Aug 2026481 PMAQI
7th Aug 2026512 PMAQI
7th Aug 2026313 PMAQI
7th Aug 2026364 PMAQI
7th Aug 2026255 PMAQI
7th Aug 2026256 PMAQI
7th Aug 2026337 PMAQI
7th Aug 2026528 PMAQI
7th Aug 2026499 PMAQI
7th Aug 20264910 PMAQI
7th Aug 20265011 PMAQI
8th Aug 20263612 AMAQI
8th Aug 2026331 AMAQI
8th Aug 2026312 AMAQI
8th Aug 2026313 AMAQI
8th Aug 2026294 AMAQI

24°C23/27°C

8th Aug 2026405 AMAQI
8th Aug 2026366 AMAQI
8th Aug 2026407 AMAQI
8th Aug 2026458 AMAQI
8th Aug 2026549 AMAQI
8th Aug 20264810 AMAQI
8th Aug 20265411 AMAQI
8th Aug 20266712 PMAQI
8th Aug 2026421 PMAQI
8th Aug 2026362 PMAQI
8th Aug 2026273 PMAQI
8th Aug 2026324 PMAQI
8th Aug 2026655 PMAQI
8th Aug 2026256 PMAQI
8th Aug 2026337 PMAQI
8th Aug 2026298 PMAQI
8th Aug 2026339 PMAQI
8th Aug 20262910 PMAQI
8th Aug 20262711 PMAQI
9th Aug 20262712 AMAQI
9th Aug 2026331 AMAQI
9th Aug 2026252 AMAQI
9th Aug 2026253 AMAQI
9th Aug 2026254 AMAQI

25°C24/26°C

9th Aug 2026275 AMAQI
9th Aug 2026256 AMAQI
9th Aug 2026427 AMAQI
9th Aug 2026388 AMAQI
9th Aug 2026389 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 2026296 PMAQI
9th Aug 2026347 PMAQI
9th Aug 2026478 PMAQI
9th Aug 2026489 PMAQI
9th Aug 20264810 PMAQI
9th Aug 20264611 PMAQI
10th Aug 20264612 AMAQI
10th Aug 2026421 AMAQI
10th Aug 2026362 AMAQI
10th Aug 2026463 AMAQI
10th Aug 2026524 AMAQI

25°C24/30°C

10th Aug 2026405 AMAQI
10th Aug 2026506 AMAQI
10th Aug 2026537 AMAQI
10th Aug 2026238 AMAQI
10th Aug 2026299 AMAQI
10th Aug 20262710 AMAQI
10th Aug 20262111 AMAQI
10th Aug 20262712 PMAQI
10th Aug 2026251 PMAQI
10th Aug 2026252 PMAQI
10th Aug 2026293 PMAQI
10th Aug 2026254 PMAQI
10th Aug 2026295 PMAQI
10th Aug 2026236 PMAQI
10th Aug 2026297 PMAQI
10th Aug 2026238 PMAQI
10th Aug 2026529 PMAQI
10th Aug 20265210 PMAQI
10th Aug 20265211 PMAQI
11th Aug 20264612 AMAQI
11th Aug 2026481 AMAQI
11th Aug 2026492 AMAQI
11th Aug 2026513 AMAQI
11th Aug 2026554 AMAQI

27°C24/30°C

11th Aug 2026555 AMAQI
11th Aug 2026446 AMAQI
11th Aug 2026537 AMAQI
11th Aug 2026608 AMAQI
11th Aug 2026699 AMAQI
11th Aug 20266410 AMAQI
11th Aug 20264811 AMAQI
11th Aug 20265612 PMAQI
11th Aug 2026541 PMAQI
11th Aug 2026542 PMAQI
11th Aug 2026513 PMAQI
11th Aug 2026404 PMAQI
11th Aug 2026315 PMAQI
11th Aug 2026336 PMAQI
11th Aug 2026547 PMAQI
11th Aug 2026518 PMAQI
11th Aug 2026409 PMAQI
11th Aug 20264210 PMAQI
11th Aug 20264611 PMAQI
12th Aug 20264212 AMAQI
12th Aug 2026531 AMAQI
12th Aug 2026442 AMAQI
12th Aug 2026423 AMAQI
12th Aug 2026464 AMAQI

27°C24/31°C

12th Aug 2026465 AMAQI
12th Aug 2026366 AMAQI
12th Aug 2026467 AMAQI
12th Aug 2026538 AMAQI
12th Aug 2026489 AMAQI
12th Aug 20266010 AMAQI
12th Aug 20265111 AMAQI
12th Aug 20265412 PMAQI
12th Aug 2026481 PMAQI
12th Aug 2026332 PMAQI
12th Aug 2026333 PMAQI
12th Aug 2026334 PMAQI
12th Aug 2026295 PMAQI
12th Aug 2026326 PMAQI
12th Aug 2026567 PMAQI
12th Aug 2026498 PMAQI
12th Aug 2026389 PMAQI
12th Aug 20265010 PMAQI
12th Aug 20265411 PMAQI
13th Aug 20265412 AMAQI
13th Aug 2026501 AMAQI
13th Aug 2026532 AMAQI
13th Aug 2026513 AMAQI
13th Aug 2026564 AMAQI

26°C24/32°C

13th Aug 2026555 AMAQI
13th Aug 2026546 AMAQI
13th Aug 2026517 AMAQI
13th Aug 2026528 AMAQI
13th Aug 2026519 AMAQI
13th Aug 20264910 AMAQI
13th Aug 20264411 AMAQI
13th Aug 20262312 PMAQI
13th Aug 2026231 PMAQI
13th Aug 2026512 PMAQI
13th Aug 2026363 PMAQI
13th Aug 2026344 PMAQI
13th Aug 2026425 PMAQI
13th Aug 2026466 PMAQI
13th Aug 2026287 PMAQI
13th Aug 2026408 PMAQI
13th Aug 2026519 PMAQI
13th Aug 20265610 PMAQI
13th Aug 20265411 PMAQI
14th Aug 20265012 AMAQI
14th Aug 2026531 AMAQI
14th Aug 2026502 AMAQI
14th Aug 2026463 AMAQI
14th Aug 2026514 AMAQI

28°C25/33°C

14th Aug 2026515 AMAQI
14th Aug 2026526 AMAQI
14th Aug 2026517 AMAQI
14th Aug 2026508 AMAQI
14th Aug 2026589 AMAQI
14th Aug 20265410 AMAQI
14th Aug 20264811 AMAQI
14th Aug 20264812 PMAQI
14th Aug 2026381 PMAQI
14th Aug 2026292 PMAQI
14th Aug 2026603 PMAQI
14th Aug 2026444 PMAQI
14th Aug 2026335 PMAQI
14th Aug 2026316 PMAQI
14th Aug 2026517 PMAQI
14th Aug 2026348 PMAQI
14th Aug 2026449 PMAQI
14th Aug 20265110 PMAQI
14th Aug 20264611 PMAQI
15th Aug 20265312 AMAQI
15th Aug 2026421 AMAQI
15th Aug 2026522 AMAQI
15th Aug 2026503 AMAQI
15th Aug 2026574 AMAQI

27°C24/32°C

15th Aug 2026565 AMAQI
15th Aug 2026586 AMAQI
15th Aug 2026447 AMAQI
15th Aug 2026548 AMAQI
15th Aug 2026579 AMAQI
15th Aug 20265310 AMAQI
15th Aug 20264611 AMAQI
15th Aug 20264912 PMAQI
15th Aug 2026461 PMAQI
15th Aug 2026542 PMAQI
15th Aug 2026423 PMAQI
15th Aug 2026464 PMAQI
15th Aug 2026525 PMAQI
15th Aug 2026486 PMAQI
15th Aug 2026547 PMAQI
15th Aug 2026548 PMAQI
15th Aug 2026539 PMAQI
15th Aug 20265410 PMAQI
15th Aug 20266411 PMAQI
16th Aug 20266412 AMAQI
16th Aug 2026481 AMAQI
16th Aug 2026462 AMAQI
16th Aug 2026313 AMAQI
16th Aug 2026324 AMAQI

27°C25/31°C

16th Aug 2026315 AMAQI
16th Aug 2026366 AMAQI
16th Aug 2026427 AMAQI
16th Aug 2026568 AMAQI
16th Aug 2026539 AMAQI
16th Aug 20264410 AMAQI
16th Aug 20264211 AMAQI
16th Aug 20264012 PMAQI
16th Aug 2026461 PMAQI
16th Aug 2026462 PMAQI
16th Aug 2026333 PMAQI
16th Aug 2026494 PMAQI
16th Aug 2026445 PMAQI
16th Aug 2026366 PMAQI
16th Aug 2026297 PMAQI
16th Aug 2026388 PMAQI
16th Aug 2026559 PMAQI
16th Aug 20266610 PMAQI
16th Aug 20266811 PMAQI
17th Aug 20265812 AMAQI
17th Aug 2026581 AMAQI
17th Aug 2026502 AMAQI
17th Aug 2026473 AMAQI
17th Aug 2026364 AMAQI

27°C24/32°C

17th Aug 2026445 AMAQI
17th Aug 2026536 AMAQI
17th Aug 2026447 AMAQI
17th Aug 2026428 AMAQI
17th Aug 2026549 AMAQI
17th Aug 20265410 AMAQI
17th Aug 20264911 AMAQI
17th Aug 20264212 PMAQI
17th Aug 2026341 PMAQI
17th Aug 2026252 PMAQI
17th Aug 2026253 PMAQI
17th Aug 2026254 PMAQI
17th Aug 2026275 PMAQI
17th Aug 2026316 PMAQI
17th Aug 2026317 PMAQI
17th Aug 2026388 PMAQI
17th Aug 2026389 PMAQI
17th Aug 20264210 PMAQI
17th Aug 20264611 PMAQI
18th Aug 20265312 AMAQI
18th Aug 2026521 AMAQI
18th Aug 2026482 AMAQI
18th Aug 2026463 AMAQI
18th Aug 2026534 AMAQI

24°C22/31°C

18th Aug 2026555 AMAQI
5 AM
18th Aug 2026386 AMAQI
18th Aug 2026567 AMAQI
18th Aug 2026428 AMAQI
18th Aug 2026479 AMAQI
18th Aug 20265510 AMAQI
18th Aug 20265511 AMAQI
11 AM
18th Aug 20264412 PMAQI
18th Aug 2026271 PMAQI
18th Aug 2026272 PMAQI
18th Aug 2026333 PMAQI
18th Aug 2026314 PMAQI
18th Aug 2026225 PMAQI
18th Aug 2026316 PMAQI
6 PM
18th Aug 2026387 PMAQI
18th Aug 2026448 PMAQI
18th Aug 2026329 PMAQI
18th Aug 20263210 PMAQI
18th Aug 20264611 PMAQI
11 PM
4 AM

28°C25/31°C

Day time
Avg. Highest Time
9 AM - 10 AM

45AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
6 PM

33AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 10 AM (Avg. 45), while the lowest AQI was between 6 PM to 6 PM (Avg. 33).
Night time
Avg. Highest Time
8 PM - 11 PM

41AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM

37AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 11 PM (Avg. 41), while the lowest AQI was between 7 PM to 7 PM (Avg. 37).

2026 Days Vs Air Quality

Vientiane US Embassy, Tha Bo, Nong Khai, Thailand

2026

37%

84

36%

83

23%

52

5%

11

Total number of days with different AQI categories in last 230 days in 2026 (135 days remaining)

Good
84 Days
Moderate
83 Days
Poor
52 Days
Unhealthy
11 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 37%

Health Risk Level:

High

In 2026, 37% of 230 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 US Embassy, Tha Bo, Nong Khai, Thailand

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
110AQI (US)
2nd January 2026
76AQI (US)
3rd January 2026
52AQI (US)
4th January 2026
64AQI (US)
5th January 2026
111AQI (US)
6th January 2026
61AQI (US)
7th January 2026
54AQI (US)
8th January 2026
73AQI (US)
9th January 2026
107AQI (US)
10th January 2026
119AQI (US)
11th January 2026
111AQI (US)
12th January 2026
149AQI (US)
13th January 2026
132AQI (US)
14th January 2026
128AQI (US)
15th January 2026
145AQI (US)
16th January 2026
137AQI (US)
17th January 2026
135AQI (US)
18th January 2026
132AQI (US)
19th January 2026
124AQI (US)
20th January 2026
121AQI (US)
21st January 2026
106AQI (US)
22nd January 2026
74AQI (US)
23rd January 2026
48AQI (US)
24th January 2026
76AQI (US)
25th January 2026
103AQI (US)
26th January 2026
108AQI (US)
27th January 2026
91AQI (US)
28th January 2026
82AQI (US)
29th January 2026
95AQI (US)
30th January 2026
121AQI (US)
31st January 2026
109AQI (US)
1st February 2026
80AQI (US)
2nd February 2026
71AQI (US)
3rd February 2026
58AQI (US)
4th February 2026
80AQI (US)
5th February 2026
103AQI (US)
6th February 2026
103AQI (US)
7th February 2026
111AQI (US)
8th February 2026
72AQI (US)
9th February 2026
25AQI (US)
10th February 2026
68AQI (US)
11th February 2026
78AQI (US)
12th February 2026
76AQI (US)
13th February 2026
90AQI (US)
14th February 2026
90AQI (US)
15th February 2026
94AQI (US)
16th February 2026
109AQI (US)
17th February 2026
80AQI (US)
18th February 2026
50AQI (US)
19th February 2026
33AQI (US)
20th February 2026
42AQI (US)
21st February 2026
85AQI (US)
22nd February 2026
132AQI (US)
23rd February 2026
129AQI (US)
24th February 2026
114AQI (US)
25th February 2026
68AQI (US)
26th February 2026
66AQI (US)
27th February 2026
72AQI (US)
28th February 2026
66AQI (US)
1st March 2026
82AQI (US)
2nd March 2026
93AQI (US)
3rd March 2026
116AQI (US)
4th March 2026
90AQI (US)
5th March 2026
59AQI (US)
6th March 2026
53AQI (US)
7th March 2026
51AQI (US)
8th March 2026
53AQI (US)
9th March 2026
75AQI (US)
10th March 2026
39AQI (US)
11th March 2026
90AQI (US)
12th March 2026
71AQI (US)
13th March 2026
96AQI (US)
14th March 2026
74AQI (US)
15th March 2026
62AQI (US)
16th March 2026
72AQI (US)
17th March 2026
84AQI (US)
18th March 2026
111AQI (US)
19th March 2026
118AQI (US)
20th March 2026
115AQI (US)
21st March 2026
112AQI (US)
22nd March 2026
117AQI (US)
23rd March 2026
105AQI (US)
24th March 2026
123AQI (US)
25th March 2026
112AQI (US)
26th March 2026
105AQI (US)
27th March 2026
138AQI (US)
28th March 2026
139AQI (US)
29th March 2026
118AQI (US)
30th March 2026
135AQI (US)
31st March 2026
144AQI (US)
1st April 2026
159AQI (US)
2nd April 2026
159AQI (US)
3rd April 2026
156AQI (US)
4th April 2026
159AQI (US)
5th April 2026
163AQI (US)
6th April 2026
164AQI (US)
7th April 2026
159AQI (US)
8th April 2026
154AQI (US)
9th April 2026
151AQI (US)
10th April 2026
146AQI (US)
11th April 2026
140AQI (US)
12th April 2026
147AQI (US)
13th April 2026
156AQI (US)
14th April 2026
148AQI (US)
15th April 2026
147AQI (US)
16th April 2026
147AQI (US)
17th April 2026
153AQI (US)
18th April 2026
126AQI (US)
19th April 2026
114AQI (US)
20th April 2026
97AQI (US)
21st April 2026
123AQI (US)
22nd April 2026
129AQI (US)
23rd April 2026
131AQI (US)
24th April 2026
79AQI (US)
25th April 2026
66AQI (US)
26th April 2026
74AQI (US)
27th April 2026
90AQI (US)
28th April 2026
87AQI (US)
29th April 2026
75AQI (US)
30th April 2026
64AQI (US)
1st May 2026
75AQI (US)
2nd May 2026
54AQI (US)
3rd May 2026
83AQI (US)
4th May 2026
58AQI (US)
5th May 2026
57AQI (US)
6th May 2026
58AQI (US)
7th May 2026
87AQI (US)
8th May 2026
67AQI (US)
9th May 2026
56AQI (US)
10th May 2026
58AQI (US)
11th May 2026
77AQI (US)
12th May 2026
79AQI (US)
13th May 2026
58AQI (US)
14th May 2026
52AQI (US)
15th May 2026
40AQI (US)
16th May 2026
83AQI (US)
17th May 2026
81AQI (US)
18th May 2026
73AQI (US)
19th May 2026
56AQI (US)
20th May 2026
66AQI (US)
21st May 2026
73AQI (US)
22nd May 2026
60AQI (US)
23rd May 2026
46AQI (US)
24th May 2026
55AQI (US)
25th May 2026
52AQI (US)
26th May 2026
46AQI (US)
27th May 2026
39AQI (US)
28th May 2026
59AQI (US)
29th May 2026
42AQI (US)
30th May 2026
46AQI (US)
31st May 2026
51AQI (US)
1st June 2026
72AQI (US)
2nd June 2026
66AQI (US)
3rd June 2026
73AQI (US)
4th June 2026
60AQI (US)
5th June 2026
39AQI (US)
6th June 2026
33AQI (US)
7th June 2026
29AQI (US)
8th June 2026
28AQI (US)
9th June 2026
22AQI (US)
10th June 2026
36AQI (US)
11th June 2026
37AQI (US)
12th June 2026
35AQI (US)
13th June 2026
42AQI (US)
14th June 2026
39AQI (US)
15th June 2026
25AQI (US)
16th June 2026
32AQI (US)
17th June 2026
41AQI (US)
18th June 2026
37AQI (US)
19th June 2026
32AQI (US)
20th June 2026
35AQI (US)
21st June 2026
41AQI (US)
22nd June 2026
36AQI (US)
23rd June 2026
41AQI (US)
24th June 2026
41AQI (US)
25th June 2026
28AQI (US)
26th June 2026
35AQI (US)
27th June 2026
33AQI (US)
28th June 2026
34AQI (US)
29th June 2026
37AQI (US)
30th June 2026
30AQI (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
43AQI (US)
17th July 2026
45AQI (US)
18th July 2026
46AQI (US)
19th July 2026
57AQI (US)
20th July 2026
55AQI (US)
21st July 2026
42AQI (US)
22nd July 2026
27AQI (US)
23rd July 2026
36AQI (US)
24th July 2026
30AQI (US)
25th July 2026
27AQI (US)
26th July 2026
40AQI (US)
27th July 2026
44AQI (US)
28th July 2026
34AQI (US)
29th July 2026
31AQI (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
38AQI (US)
9th August 2026
33AQI (US)
10th August 2026
36AQI (US)
11th August 2026
50AQI (US)
12th August 2026
45AQI (US)
13th August 2026
46AQI (US)
14th August 2026
47AQI (US)
15th August 2026
52AQI (US)
16th August 2026
45AQI (US)
17th August 2026
41AQI (US)
18th August 2026
42AQI (US)
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

102AQI (US)

80AQI (US)

95AQI (US)

129AQI (US)

61AQI (US)

39AQI (US)

37AQI (US)

42AQI (US)

No. of days

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

202675AQI (US)

1
11
19
4
17
7
1
15
15
8
11
11
6
25
26
4
29
2
17
1
84
83
52
11

Highest AQI (US) recorded in

April

129AQI (US)

Lowest AQI (US) recorded in

July

37AQI (US)

202575AQI (US)

10
21
22
6
14
10
7
23
7
10
21
18
12
22
9
10
21
24
6
4
27
7
17
5
1
1
13
17
96
195
66
8

Highest AQI (US) recorded in

January

114AQI (US)

Lowest AQI (US) recorded in

September

44AQI (US)

202473AQI (US)

6
10
1
4
10
2
1
18
11
10
17
4
7
22
14
17
26
5
26
4
10
17
4
1
22
7
2
24
5
97
139
58
13

Highest AQI (US) recorded in

April

146AQI (US)

Lowest AQI (US) recorded in

September

33AQI (US)

202385AQI (US)

5
8
3
4
13
6
1
6
9
1
5
10
7
2
3
12
7
20
6
22
8
15
16
19
9
8
20
3
2
10
11
8
20
2
89
104
78
27
3

Highest AQI (US) recorded in

March

154AQI (US)

Lowest AQI (US) recorded in

September

42AQI (US)

202281AQI (US)

8
17
1
3
11
8
3
14
8
6
5
6
13
5
10
15
14
2
23
1
1
14
8
7
8
2
2
9
10
1
1
11
12
2
1
81
93
70
17
1

Highest AQI (US) recorded in

January

112AQI (US)

Lowest AQI (US) recorded in

July

27AQI (US)

202171AQI (US)

7
11
9
1
6
16
5
1
9
14
7
6
14
4
2
8
23
26
2
27
4
27
4
27
3
18
13
6
18
6
1
12
17
148
115
68
23

Highest AQI (US) recorded in

January

123AQI (US)

Lowest AQI (US) recorded in

September

25AQI (US)

202066AQI (US)

5
4
4
1
6
12
2
8
10
27
3
10
3
10
1
19
11
16
13
2
3
21
6
2
15
14
96
88
38
6

Highest AQI (US) recorded in

March

127AQI (US)

Lowest AQI (US) recorded in

August

34AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2023(Avg.)
85AQI (US)
Least Polluted Year Recorded
2020(Avg.)
66AQI (US)

Vientiane US Embassy's annual 2026 AQI (US) (75) shows an average percentage change of 0.4% (worsened AQI (US)) compared to previous years: 2020 (66), 2021 (71), 2022 (81), 2023 (85), 2024 (73), 2025 (75).