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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+

October Air Quality Analysis

Vientiane US Embassy, Tha Bo, Nong Khai, Thailand

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
24th Oct 2022
181AQI
Lowest AQI recorded on
15th Oct 2021
17AQI

Same Day Analysis (5th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 58 of Moderate air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 5th Oct - 6th Oct 2025

Vientiane US Embassy, Tha Bo, Nong Khai, Thailand

AQI
Day
Night
.

5 AM5th Oct 2025

6 PM

4 AM6th Oct 2025

Day time
Avg. Highest Time
12AMNaNth undefined

AQI

Avg. Lowest Time
12AMNaNth undefined

AQI

Night time
Avg. Highest Time
11AM5th Oct

65AQI

Avg. Lowest Time
9AM5th Oct

54AQI

In the last 24 hours,

Vientiane US Embassy's AQI reached its highest point of 65 at 11 AM during the Night, while the lowest point, 54, was recorded at 9 AM during the Night between 5th Oct and 6th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Vientiane US Embassy, Tha Bo, Nong Khai, Thailand

SepOct
06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th
Day
Night
6th Sep 2025495 AMAQI
6th Sep 2025466 AMAQI
6th Sep 2025397 AMAQI
6th Sep 2025408 AMAQI
6th Sep 2025559 AMAQI
6th Sep 20256210 AMAQI
6th Sep 20255611 AMAQI
6th Sep 20254812 PMAQI
6th Sep 2025371 PMAQI
6th Sep 2025442 PMAQI
6th Sep 2025503 PMAQI
6th Sep 2025504 PMAQI
6th Sep 2025455 PMAQI
6th Sep 2025446 PMAQI
6th Sep 2025547 PMAQI
6th Sep 2025598 PMAQI
6th Sep 2025579 PMAQI
6th Sep 20255110 PMAQI
6th Sep 20255511 PMAQI
7th Sep 20254812 AMAQI
7th Sep 2025491 AMAQI
7th Sep 2025512 AMAQI
7th Sep 2025503 AMAQI
7th Sep 2025494 AMAQI

27°C24/30°C

7th Sep 2025505 AMAQI
7th Sep 2025496 AMAQI
7th Sep 2025557 AMAQI
7th Sep 2025658 AMAQI
7th Sep 2025609 AMAQI
7th Sep 20255310 AMAQI
7th Sep 20256911 AMAQI
7th Sep 20255612 PMAQI
7th Sep 2025571 PMAQI
7th Sep 2025592 PMAQI
7th Sep 2025543 PMAQI
7th Sep 2025524 PMAQI
7th Sep 2025625 PMAQI
7th Sep 2025546 PMAQI
7th Sep 2025567 PMAQI
7th Sep 2025578 PMAQI
7th Sep 2025599 PMAQI
7th Sep 20255310 PMAQI
7th Sep 20255411 PMAQI
8th Sep 20255412 AMAQI
8th Sep 2025541 AMAQI
8th Sep 2025512 AMAQI
8th Sep 2025513 AMAQI
8th Sep 2025484 AMAQI

27°C23/32°C

8th Sep 2025525 AMAQI
8th Sep 2025506 AMAQI
8th Sep 2025447 AMAQI
8th Sep 2025668 AMAQI
8th Sep 2025629 AMAQI
8th Sep 20255710 AMAQI
8th Sep 20255811 AMAQI
8th Sep 20254612 PMAQI
8th Sep 2025481 PMAQI
8th Sep 2025482 PMAQI
8th Sep 2025453 PMAQI
8th Sep 2025444 PMAQI
8th Sep 2025465 PMAQI
8th Sep 2025516 PMAQI
8th Sep 2025547 PMAQI
8th Sep 2025568 PMAQI
8th Sep 2025589 PMAQI
8th Sep 20255310 PMAQI
8th Sep 20255311 PMAQI
9th Sep 20255112 AMAQI
9th Sep 2025521 AMAQI
9th Sep 2025532 AMAQI
9th Sep 2025523 AMAQI
9th Sep 2025524 AMAQI

27°C23/31°C

9th Sep 2025525 AMAQI
9th Sep 2025526 AMAQI
9th Sep 2025367 AMAQI
9th Sep 2025428 AMAQI
9th Sep 2025509 AMAQI
9th Sep 20253710 AMAQI
9th Sep 20254211 AMAQI
9th Sep 20254912 PMAQI
9th Sep 2025491 PMAQI
9th Sep 2025382 PMAQI
9th Sep 2025353 PMAQI
9th Sep 2025364 PMAQI
9th Sep 2025375 PMAQI
9th Sep 2025456 PMAQI
9th Sep 2025477 PMAQI
9th Sep 2025548 PMAQI
9th Sep 2025539 PMAQI
9th Sep 20254710 PMAQI
9th Sep 20255211 PMAQI
10th Sep 20255212 AMAQI
10th Sep 2025531 AMAQI
10th Sep 2025512 AMAQI
10th Sep 2025523 AMAQI
10th Sep 2025504 AMAQI

25°C23/29°C

10th Sep 2025515 AMAQI
10th Sep 2025496 AMAQI
10th Sep 2025387 AMAQI
10th Sep 2025438 AMAQI
10th Sep 2025469 AMAQI
10th Sep 20254210 AMAQI
10th Sep 20254911 AMAQI
10th Sep 20253512 PMAQI
10th Sep 2025461 PMAQI
10th Sep 2025462 PMAQI
10th Sep 2025343 PMAQI
10th Sep 2025434 PMAQI
10th Sep 2025425 PMAQI
10th Sep 2025496 PMAQI
10th Sep 2025477 PMAQI
10th Sep 2025528 PMAQI
10th Sep 2025489 PMAQI
10th Sep 20254610 PMAQI
10th Sep 20255411 PMAQI
11th Sep 20255412 AMAQI
11th Sep 2025521 AMAQI
11th Sep 2025512 AMAQI
11th Sep 2025503 AMAQI
11th Sep 2025504 AMAQI

25°C23/29°C

11th Sep 2025495 AMAQI
11th Sep 2025486 AMAQI
11th Sep 2025477 AMAQI
11th Sep 2025448 AMAQI
11th Sep 2025459 AMAQI
11th Sep 20254610 AMAQI
11th Sep 20254911 AMAQI
11th Sep 20253712 PMAQI
11th Sep 2025401 PMAQI
11th Sep 2025432 PMAQI
11th Sep 2025323 PMAQI
11th Sep 2025474 PMAQI
11th Sep 2025455 PMAQI
11th Sep 2025476 PMAQI
11th Sep 2025507 PMAQI
11th Sep 2025488 PMAQI
11th Sep 2025539 PMAQI
11th Sep 20255510 PMAQI
11th Sep 20255911 PMAQI
12th Sep 20255612 AMAQI
12th Sep 2025551 AMAQI
12th Sep 2025512 AMAQI
12th Sep 2025513 AMAQI
12th Sep 2025514 AMAQI

26°C23/31°C

12th Sep 2025515 AMAQI
12th Sep 2025516 AMAQI
12th Sep 2025487 AMAQI
12th Sep 2025528 AMAQI
12th Sep 2025539 AMAQI
12th Sep 20254810 AMAQI
12th Sep 20254811 AMAQI
12th Sep 20255012 PMAQI
12th Sep 2025481 PMAQI
12th Sep 2025452 PMAQI
12th Sep 2025413 PMAQI
12th Sep 2025424 PMAQI
12th Sep 2025465 PMAQI
12th Sep 2025486 PMAQI
12th Sep 2025507 PMAQI
12th Sep 2025568 PMAQI
12th Sep 2025559 PMAQI
12th Sep 20255410 PMAQI
12th Sep 20255211 PMAQI
13th Sep 20254912 AMAQI
13th Sep 2025561 AMAQI
13th Sep 2025522 AMAQI
13th Sep 2025533 AMAQI
13th Sep 2025524 AMAQI

27°C23/32°C

13th Sep 2025525 AMAQI
13th Sep 2025536 AMAQI
13th Sep 2025527 AMAQI
13th Sep 2025528 AMAQI
13th Sep 2025489 AMAQI
13th Sep 20255710 AMAQI
13th Sep 20255811 AMAQI
13th Sep 20255012 PMAQI
13th Sep 2025331 PMAQI
13th Sep 2025652 PMAQI
13th Sep 2025483 PMAQI
13th Sep 2025504 PMAQI
13th Sep 2025445 PMAQI
13th Sep 2025526 PMAQI
13th Sep 2025507 PMAQI
13th Sep 2025568 PMAQI
13th Sep 2025539 PMAQI
13th Sep 20255210 PMAQI
13th Sep 20255211 PMAQI
14th Sep 20255312 AMAQI
14th Sep 2025511 AMAQI
14th Sep 2025482 AMAQI
14th Sep 2025503 AMAQI
14th Sep 2025504 AMAQI

27°C23/32°C

14th Sep 2025485 AMAQI
14th Sep 2025486 AMAQI
14th Sep 2025537 AMAQI
14th Sep 2025558 AMAQI
14th Sep 2025589 AMAQI
14th Sep 20255610 AMAQI
14th Sep 20254411 AMAQI
14th Sep 20255312 PMAQI
14th Sep 2025501 PMAQI
14th Sep 2025472 PMAQI
14th Sep 2025453 PMAQI
14th Sep 2025384 PMAQI
14th Sep 2025405 PMAQI
14th Sep 2025366 PMAQI
14th Sep 2025547 PMAQI
14th Sep 2025498 PMAQI
14th Sep 2025549 PMAQI
14th Sep 20255610 PMAQI
14th Sep 20255211 PMAQI
15th Sep 20255212 AMAQI
15th Sep 2025481 AMAQI
15th Sep 2025502 AMAQI
15th Sep 2025513 AMAQI
15th Sep 2025524 AMAQI

27°C23/32°C

15th Sep 2025515 AMAQI
15th Sep 2025506 AMAQI
15th Sep 2025537 AMAQI
15th Sep 2025608 AMAQI
15th Sep 2025619 AMAQI
15th Sep 20255410 AMAQI
15th Sep 20254811 AMAQI
15th Sep 20254212 PMAQI
15th Sep 2025421 PMAQI
15th Sep 2025492 PMAQI
15th Sep 2025353 PMAQI
15th Sep 2025444 PMAQI
15th Sep 2025445 PMAQI
15th Sep 2025466 PMAQI
15th Sep 2025547 PMAQI
15th Sep 2025578 PMAQI
15th Sep 2025569 PMAQI
15th Sep 20255610 PMAQI
15th Sep 20255211 PMAQI
16th Sep 20255612 AMAQI
16th Sep 2025531 AMAQI
16th Sep 2025522 AMAQI
16th Sep 2025523 AMAQI
16th Sep 2025524 AMAQI

27°C23/32°C

16th Sep 2025525 AMAQI
16th Sep 2025526 AMAQI
16th Sep 2025447 AMAQI
16th Sep 2025388 AMAQI
16th Sep 2025379 AMAQI
16th Sep 20254410 AMAQI
16th Sep 20253411 AMAQI
16th Sep 20253112 PMAQI
16th Sep 2025301 PMAQI
16th Sep 2025352 PMAQI
16th Sep 2025343 PMAQI
16th Sep 2025404 PMAQI
16th Sep 2025395 PMAQI
16th Sep 2025436 PMAQI
16th Sep 2025497 PMAQI
16th Sep 2025548 PMAQI
16th Sep 2025579 PMAQI
16th Sep 20255710 PMAQI
16th Sep 20256211 PMAQI
17th Sep 20255812 AMAQI
17th Sep 2025591 AMAQI
17th Sep 2025522 AMAQI
17th Sep 2025513 AMAQI
17th Sep 2025514 AMAQI

25°C22/30°C

17th Sep 2025505 AMAQI
17th Sep 2025496 AMAQI
17th Sep 2025467 AMAQI
17th Sep 2025468 AMAQI
17th Sep 2025409 AMAQI
17th Sep 20254610 AMAQI
17th Sep 20255611 AMAQI
17th Sep 20255112 PMAQI
17th Sep 2025441 PMAQI
17th Sep 2025412 PMAQI
17th Sep 2025413 PMAQI
17th Sep 2025464 PMAQI
17th Sep 2025425 PMAQI
17th Sep 2025496 PMAQI
17th Sep 2025487 PMAQI
17th Sep 2025488 PMAQI
17th Sep 2025519 PMAQI
17th Sep 20255310 PMAQI
17th Sep 20255011 PMAQI
18th Sep 20255112 AMAQI
18th Sep 2025531 AMAQI
18th Sep 2025542 AMAQI
18th Sep 2025523 AMAQI
18th Sep 2025524 AMAQI

27°C23/32°C

18th Sep 2025525 AMAQI
18th Sep 2025526 AMAQI
18th Sep 2025437 AMAQI
18th Sep 2025438 AMAQI
18th Sep 2025469 AMAQI
18th Sep 20253710 AMAQI
18th Sep 20253711 AMAQI
18th Sep 20253612 PMAQI
18th Sep 2025341 PMAQI
18th Sep 2025332 PMAQI
18th Sep 2025373 PMAQI
18th Sep 2025404 PMAQI
18th Sep 2025435 PMAQI
18th Sep 2025386 PMAQI
18th Sep 2025457 PMAQI
18th Sep 2025548 PMAQI
18th Sep 2025549 PMAQI
18th Sep 20255210 PMAQI
18th Sep 20255511 PMAQI
19th Sep 20255712 AMAQI
19th Sep 2025521 AMAQI
19th Sep 2025522 AMAQI
19th Sep 2025523 AMAQI
19th Sep 2025524 AMAQI

26°C23/32°C

19th Sep 2025525 AMAQI
19th Sep 2025516 AMAQI
19th Sep 2025327 AMAQI
19th Sep 2025298 AMAQI
19th Sep 2025319 AMAQI
19th Sep 20252310 AMAQI
19th Sep 20252311 AMAQI
19th Sep 20252012 PMAQI
19th Sep 2025211 PMAQI
19th Sep 2025202 PMAQI
19th Sep 2025203 PMAQI
19th Sep 2025224 PMAQI
19th Sep 2025225 PMAQI
19th Sep 2025266 PMAQI
19th Sep 2025407 PMAQI
19th Sep 2025478 PMAQI
19th Sep 2025489 PMAQI
19th Sep 20254610 PMAQI
19th Sep 20254411 PMAQI
20th Sep 20254012 AMAQI
20th Sep 2025471 AMAQI
20th Sep 2025502 AMAQI
20th Sep 2025503 AMAQI
20th Sep 2025504 AMAQI

26°C23/31°C

20th Sep 2025485 AMAQI
20th Sep 2025486 AMAQI
20th Sep 2025297 AMAQI
20th Sep 2025228 AMAQI
20th Sep 2025229 AMAQI
20th Sep 20252210 AMAQI
20th Sep 20252611 AMAQI
20th Sep 20252612 PMAQI
20th Sep 2025261 PMAQI
20th Sep 2025262 PMAQI
20th Sep 2025243 PMAQI
20th Sep 2025244 PMAQI
20th Sep 2025245 PMAQI
20th Sep 2025266 PMAQI
20th Sep 2025387 PMAQI
20th Sep 2025448 PMAQI
20th Sep 2025489 PMAQI
20th Sep 20255010 PMAQI
20th Sep 20254711 PMAQI
21st Sep 20254812 AMAQI
21st Sep 2025541 AMAQI
21st Sep 2025462 AMAQI
21st Sep 2025433 AMAQI
21st Sep 2025444 AMAQI

25°C23/29°C

21st Sep 2025455 AMAQI
21st Sep 2025456 AMAQI
21st Sep 2025347 AMAQI
21st Sep 2025288 AMAQI
21st Sep 2025379 AMAQI
21st Sep 20253210 AMAQI
21st Sep 20253611 AMAQI
21st Sep 20253112 PMAQI
21st Sep 2025321 PMAQI
21st Sep 2025222 PMAQI
21st Sep 2025233 PMAQI
21st Sep 2025234 PMAQI
21st Sep 2025275 PMAQI
21st Sep 2025326 PMAQI
21st Sep 2025447 PMAQI
21st Sep 2025508 PMAQI
21st Sep 2025569 PMAQI
21st Sep 20255410 PMAQI
21st Sep 20255211 PMAQI
22nd Sep 20254712 AMAQI
22nd Sep 2025451 AMAQI
22nd Sep 2025442 AMAQI
22nd Sep 2025423 AMAQI
22nd Sep 2025424 AMAQI

26°C24/30°C

22nd Sep 2025435 AMAQI
22nd Sep 2025426 AMAQI
22nd Sep 2025387 AMAQI
22nd Sep 2025428 AMAQI
22nd Sep 2025459 AMAQI
22nd Sep 20255110 AMAQI
22nd Sep 20254611 AMAQI
22nd Sep 20253312 PMAQI
22nd Sep 2025281 PMAQI
22nd Sep 2025232 PMAQI
22nd Sep 2025213 PMAQI
22nd Sep 2025214 PMAQI
22nd Sep 2025255 PMAQI
22nd Sep 2025276 PMAQI
22nd Sep 2025367 PMAQI
22nd Sep 2025348 PMAQI
22nd Sep 2025329 PMAQI
22nd Sep 20253110 PMAQI
22nd Sep 20253011 PMAQI
23rd Sep 20253212 AMAQI
23rd Sep 2025401 AMAQI
23rd Sep 2025422 AMAQI
23rd Sep 2025413 AMAQI
23rd Sep 2025424 AMAQI

26°C24/29°C

23rd Sep 2025415 AMAQI
23rd Sep 2025416 AMAQI
23rd Sep 2025297 AMAQI
23rd Sep 2025308 AMAQI
23rd Sep 2025329 AMAQI
23rd Sep 20253510 AMAQI
23rd Sep 20252911 AMAQI
23rd Sep 20252312 PMAQI
23rd Sep 2025241 PMAQI
23rd Sep 2025232 PMAQI
23rd Sep 2025223 PMAQI
23rd Sep 2025274 PMAQI
23rd Sep 2025265 PMAQI
23rd Sep 2025266 PMAQI
23rd Sep 2025347 PMAQI
23rd Sep 2025388 PMAQI
23rd Sep 2025459 PMAQI
23rd Sep 20254010 PMAQI
23rd Sep 20253611 PMAQI
24th Sep 20253412 AMAQI
24th Sep 2025411 AMAQI
24th Sep 2025432 AMAQI
24th Sep 2025403 AMAQI
24th Sep 2025404 AMAQI

26°C24/31°C

24th Sep 2025425 AMAQI
24th Sep 2025416 AMAQI
24th Sep 2025267 AMAQI
24th Sep 2025238 AMAQI
24th Sep 2025249 AMAQI
24th Sep 20252610 AMAQI
24th Sep 20252711 AMAQI
24th Sep 20252812 PMAQI
24th Sep 2025231 PMAQI
24th Sep 2025262 PMAQI
24th Sep 2025263 PMAQI
24th Sep 2025284 PMAQI
24th Sep 2025265 PMAQI
24th Sep 2025266 PMAQI
24th Sep 2025317 PMAQI
24th Sep 2025448 PMAQI
24th Sep 2025429 PMAQI
24th Sep 20253410 PMAQI
24th Sep 20252711 PMAQI
25th Sep 20252812 AMAQI
25th Sep 2025381 AMAQI
25th Sep 2025382 AMAQI
25th Sep 2025373 AMAQI
25th Sep 2025384 AMAQI

26°C23/29°C

25th Sep 2025375 AMAQI
25th Sep 2025366 AMAQI
25th Sep 2025287 AMAQI
25th Sep 2025328 AMAQI
25th Sep 2025269 AMAQI
25th Sep 20251710 AMAQI
25th Sep 20252011 AMAQI
25th Sep 20251812 PMAQI
25th Sep 2025151 PMAQI
25th Sep 2025162 PMAQI
25th Sep 2025163 PMAQI
25th Sep 2025164 PMAQI
25th Sep 2025175 PMAQI
25th Sep 2025216 PMAQI
25th Sep 2025227 PMAQI
25th Sep 2025428 PMAQI
25th Sep 2025559 PMAQI
25th Sep 20254910 PMAQI
25th Sep 20254211 PMAQI
26th Sep 20252612 AMAQI
26th Sep 2025271 AMAQI
26th Sep 2025262 AMAQI
26th Sep 2025273 AMAQI
26th Sep 2025244 AMAQI

26°C23/31°C

26th Sep 2025185 AMAQI
26th Sep 2025176 AMAQI
26th Sep 2025177 AMAQI
26th Sep 2025188 AMAQI
26th Sep 2025159 AMAQI
26th Sep 20251610 AMAQI
26th Sep 20251311 AMAQI
26th Sep 20251312 PMAQI
26th Sep 2025141 PMAQI
26th Sep 2025162 PMAQI
26th Sep 2025153 PMAQI
26th Sep 2025154 PMAQI
26th Sep 2025205 PMAQI
26th Sep 2025236 PMAQI
26th Sep 2025337 PMAQI
26th Sep 2025328 PMAQI
26th Sep 2025249 PMAQI
26th Sep 20252410 PMAQI
26th Sep 20252511 PMAQI
27th Sep 20251812 AMAQI
27th Sep 2025151 AMAQI
27th Sep 2025132 AMAQI
27th Sep 2025163 AMAQI
27th Sep 2025174 AMAQI

25°C23/28°C

27th Sep 2025345 AMAQI
27th Sep 2025576 AMAQI
27th Sep 2025637 AMAQI
27th Sep 2025548 AMAQI
27th Sep 2025519 AMAQI
27th Sep 20254710 AMAQI
27th Sep 20254211 AMAQI
27th Sep 20253712 PMAQI
27th Sep 2025341 PMAQI
27th Sep 2025352 PMAQI
27th Sep 2025363 PMAQI
27th Sep 2025264 PMAQI
27th Sep 2025145 PMAQI
27th Sep 2025156 PMAQI
27th Sep 2025317 PMAQI
27th Sep 2025418 PMAQI
27th Sep 2025439 PMAQI
27th Sep 20255110 PMAQI
27th Sep 20256411 PMAQI
28th Sep 20256912 AMAQI
28th Sep 2025701 AMAQI
28th Sep 2025662 AMAQI
28th Sep 2025593 AMAQI
28th Sep 2025464 AMAQI

25°C23/30°C

28th Sep 2025345 AMAQI
28th Sep 2025326 AMAQI
28th Sep 2025257 AMAQI
28th Sep 2025218 AMAQI
28th Sep 2025219 AMAQI
28th Sep 20251910 AMAQI
28th Sep 20253211 AMAQI
28th Sep 20253712 PMAQI
28th Sep 2025321 PMAQI
28th Sep 2025332 PMAQI
28th Sep 2025333 PMAQI
28th Sep 2025374 PMAQI
28th Sep 2025385 PMAQI
28th Sep 2025446 PMAQI
28th Sep 2025487 PMAQI
28th Sep 2025458 PMAQI
28th Sep 2025369 PMAQI
28th Sep 20254410 PMAQI
28th Sep 20254511 PMAQI
29th Sep 20253012 AMAQI
29th Sep 2025391 AMAQI
29th Sep 2025422 AMAQI
29th Sep 2025373 AMAQI
29th Sep 2025414 AMAQI

27°C23/33°C

29th Sep 2025405 AMAQI
29th Sep 2025416 AMAQI
29th Sep 2025477 AMAQI
29th Sep 2025488 AMAQI
29th Sep 2025479 AMAQI
29th Sep 20255110 AMAQI
29th Sep 20255311 AMAQI
29th Sep 20255412 PMAQI
29th Sep 2025481 PMAQI
29th Sep 2025482 PMAQI
29th Sep 2025453 PMAQI
29th Sep 2025504 PMAQI
29th Sep 2025475 PMAQI
29th Sep 2025396 PMAQI
29th Sep 2025477 PMAQI
29th Sep 2025438 PMAQI
29th Sep 2025379 PMAQI
29th Sep 20253210 PMAQI
29th Sep 20253411 PMAQI
30th Sep 20254512 AMAQI
30th Sep 2025391 AMAQI
30th Sep 2025412 AMAQI
30th Sep 2025253 AMAQI
30th Sep 2025344 AMAQI

24°C23/25°C

30th Sep 2025245 AMAQI
30th Sep 2025326 AMAQI
30th Sep 2025297 AMAQI
30th Sep 2025248 AMAQI
30th Sep 2025299 AMAQI
30th Sep 20253510 AMAQI
30th Sep 20252611 AMAQI
30th Sep 20253512 PMAQI
30th Sep 2025381 PMAQI
30th Sep 2025412 PMAQI
30th Sep 2025373 PMAQI
30th Sep 2025404 PMAQI
30th Sep 2025375 PMAQI
30th Sep 2025376 PMAQI
30th Sep 2025517 PMAQI
30th Sep 2025638 PMAQI
30th Sep 2025879 PMAQI
30th Sep 20257110 PMAQI
30th Sep 20255311 PMAQI
1st Oct 20255212 AMAQI
1st Oct 2025511 AMAQI
1st Oct 2025522 AMAQI
1st Oct 2025533 AMAQI
1st Oct 2025474 AMAQI

24°C23/26°C

1st Oct 2025465 AMAQI
1st Oct 2025396 AMAQI
1st Oct 2025297 AMAQI
1st Oct 2025238 AMAQI
1st Oct 2025329 AMAQI
1st Oct 20254310 AMAQI
1st Oct 20254411 AMAQI
1st Oct 20254012 PMAQI
1st Oct 2025371 PMAQI
1st Oct 2025382 PMAQI
1st Oct 2025383 PMAQI
1st Oct 2025324 PMAQI
1st Oct 2025335 PMAQI
1st Oct 2025366 PMAQI
1st Oct 2025517 PMAQI
1st Oct 2025568 PMAQI
1st Oct 2025559 PMAQI
1st Oct 20256610 PMAQI
1st Oct 20257611 PMAQI
2nd Oct 20257712 AMAQI
2nd Oct 2025801 AMAQI
2nd Oct 2025802 AMAQI
2nd Oct 2025813 AMAQI
2nd Oct 2025814 AMAQI

25°C23/29°C

2nd Oct 2025715 AMAQI
2nd Oct 2025706 AMAQI
2nd Oct 2025687 AMAQI
2nd Oct 2025668 AMAQI
2nd Oct 2025649 AMAQI
2nd Oct 20256110 AMAQI
2nd Oct 20255511 AMAQI
2nd Oct 20256112 PMAQI
2nd Oct 2025561 PMAQI
2nd Oct 2025562 PMAQI
2nd Oct 2025543 PMAQI
2nd Oct 2025564 PMAQI
2nd Oct 2025585 PMAQI
2nd Oct 2025626 PMAQI
2nd Oct 2025677 PMAQI
2nd Oct 2025738 PMAQI
2nd Oct 2025799 PMAQI
2nd Oct 20258710 PMAQI
2nd Oct 20259211 PMAQI
3rd Oct 202510312 AMAQI
3rd Oct 20251211 AMAQI
3rd Oct 20251442 AMAQI
3rd Oct 20251353 AMAQI
3rd Oct 20251344 AMAQI

27°C23/32°C

3rd Oct 20251355 AMAQI
3rd Oct 20251296 AMAQI
3rd Oct 2025827 AMAQI
3rd Oct 2025748 AMAQI
3rd Oct 2025629 AMAQI
3rd Oct 20256810 AMAQI
3rd Oct 20256311 AMAQI
3rd Oct 20255712 PMAQI
3rd Oct 2025531 PMAQI
3rd Oct 2025562 PMAQI
3rd Oct 2025573 PMAQI
3rd Oct 2025564 PMAQI
3rd Oct 2025595 PMAQI
3rd Oct 2025506 PMAQI
3rd Oct 2025697 PMAQI
3rd Oct 2025728 PMAQI
3rd Oct 2025799 PMAQI
3rd Oct 20258010 PMAQI
3rd Oct 20257811 PMAQI
4th Oct 20258212 AMAQI
4th Oct 2025791 AMAQI
4th Oct 2025832 AMAQI
4th Oct 2025843 AMAQI
4th Oct 2025754 AMAQI

27°C23/32°C

4th Oct 2025735 AMAQI
4th Oct 2025686 AMAQI
4th Oct 2025637 AMAQI
4th Oct 2025618 AMAQI
4th Oct 2025569 AMAQI
4th Oct 20255210 AMAQI
4th Oct 20255111 AMAQI
4th Oct 20255512 PMAQI
4th Oct 2025541 PMAQI
4th Oct 2025542 PMAQI
4th Oct 2025523 PMAQI
4th Oct 2025514 PMAQI
4th Oct 2025515 PMAQI
4th Oct 2025556 PMAQI
4th Oct 2025627 PMAQI
4th Oct 2025618 PMAQI
4th Oct 2025649 PMAQI
4th Oct 20256710 PMAQI
4th Oct 20255911 PMAQI
5th Oct 20256012 AMAQI
5th Oct 2025601 AMAQI
5th Oct 2025592 AMAQI
5th Oct 2025613 AMAQI
5th Oct 2025574 AMAQI

27°C23/32°C

5th Oct 2025565 AMAQI
5th Oct 2025546 AMAQI
5th Oct 2025567 AMAQI
5th Oct 2025588 AMAQI
5th Oct 2025549 AMAQI
5th Oct 20255810 AMAQI
5th Oct 20256511 AMAQI
5th Oct 20256212 PMAQI
5th Oct 2025651 PMAQI
5th Oct 2025612 PMAQI
5th Oct 2025573 PMAQI
5th Oct 2025574 PMAQI
5th Oct 2025605 PMAQI
5th Oct 2025646 PMAQI
5th Oct 2025607 PMAQI
5th Oct 2025588 PMAQI
5th Oct 2025629 PMAQI
5th Oct 20255610 PMAQI
5th Oct 20255911 PMAQI
6th Oct 20255712 AMAQI
6th Oct 2025551 AMAQI
6th Oct 2025592 AMAQI
6th Oct 2025603 AMAQI
6th Oct 2025604 AMAQI

--°C/°C

5 AM
11 AM
6 PM
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 6 AM

50AQI

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

39AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 6 AM (Avg. 50), while the lowest AQI was between 3 PM to 6 PM (Avg. 39).
Night time
Avg. Highest Time
1 AM - 4 AM

52AQI

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

47AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 4 AM (Avg. 52), while the lowest AQI was between 7 PM to 7 PM (Avg. 47).

2025 Days Vs Air Quality

Vientiane US Embassy, Tha Bo, Nong Khai, Thailand

2025

31%

85

51%

142

16%

44

3%

7

Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)

Good
85 Days
Moderate
142 Days
Poor
44 Days
Unhealthy
7 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 31%

Health Risk Level:

High

In 2025, 31% of 278 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 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
89AQI
2nd January 2025
86AQI
3rd January 2025
90AQI
4th January 2025
115AQI
5th January 2025
117AQI
6th January 2025
134AQI
7th January 2025
135AQI
8th January 2025
125AQI
9th January 2025
124AQI
10th January 2025
93AQI
11th January 2025
93AQI
12th January 2025
100AQI
13th January 2025
115AQI
14th January 2025
123AQI
15th January 2025
107AQI
16th January 2025
94AQI
17th January 2025
112AQI
18th January 2025
121AQI
19th January 2025
121AQI
20th January 2025
129AQI
21st January 2025
126AQI
22nd January 2025
138AQI
23rd January 2025
138AQI
24th January 2025
148AQI
25th January 2025
148AQI
26th January 2025
114AQI
27th January 2025
83AQI
28th January 2025
90AQI
29th January 2025
97AQI
30th January 2025
105AQI
31st January 2025
118AQI
1st February 2025
125AQI
2nd February 2025
131AQI
3rd February 2025
120AQI
4th February 2025
88AQI
5th February 2025
92AQI
6th February 2025
104AQI
7th February 2025
97AQI
8th February 2025
72AQI
9th February 2025
78AQI
10th February 2025
79AQI
11th February 2025
88AQI
12th February 2025
110AQI
13th February 2025
96AQI
14th February 2025
93AQI
15th February 2025
100AQI
16th February 2025
120AQI
17th February 2025
92AQI
18th February 2025
95AQI
19th February 2025
85AQI
20th February 2025
97AQI
21st February 2025
84AQI
22nd February 2025
84AQI
23rd February 2025
69AQI
24th February 2025
68AQI
25th February 2025
63AQI
26th February 2025
56AQI
27th February 2025
72AQI
28th February 2025
87AQI
1st March 2025
83AQI
2nd March 2025
85AQI
3rd March 2025
100AQI
4th March 2025
126AQI
5th March 2025
115AQI
6th March 2025
114AQI
7th March 2025
77AQI
8th March 2025
77AQI
9th March 2025
84AQI
10th March 2025
69AQI
11th March 2025
88AQI
12th March 2025
99AQI
13th March 2025
77AQI
14th March 2025
86AQI
15th March 2025
102AQI
16th March 2025
88AQI
17th March 2025
80AQI
18th March 2025
83AQI
19th March 2025
102AQI
20th March 2025
107AQI
21st March 2025
126AQI
22nd March 2025
137AQI
23rd March 2025
151AQI
24th March 2025
158AQI
25th March 2025
162AQI
26th March 2025
160AQI
27th March 2025
157AQI
28th March 2025
156AQI
29th March 2025
155AQI
30th March 2025
135AQI
31st March 2025
124AQI
1st April 2025
118AQI
2nd April 2025
127AQI
3rd April 2025
134AQI
4th April 2025
136AQI
5th April 2025
135AQI
6th April 2025
106AQI
7th April 2025
101AQI
8th April 2025
99AQI
9th April 2025
92AQI
10th April 2025
82AQI
11th April 2025
87AQI
12th April 2025
76AQI
13th April 2025
66AQI
14th April 2025
76AQI
15th April 2025
69AQI
16th April 2025
72AQI
17th April 2025
64AQI
18th April 2025
64AQI
19th April 2025
65AQI
20th April 2025
65AQI
21st April 2025
67AQI
22nd April 2025
77AQI
23rd April 2025
80AQI
24th April 2025
86AQI
25th April 2025
89AQI
26th April 2025
89AQI
27th April 2025
77AQI
28th April 2025
79AQI
29th April 2025
73AQI
30th April 2025
77AQI
1st May 2025
79AQI
2nd May 2025
78AQI
3rd May 2025
73AQI
4th May 2025
84AQI
5th May 2025
90AQI
6th May 2025
79AQI
7th May 2025
87AQI
8th May 2025
73AQI
9th May 2025
65AQI
10th May 2025
67AQI
11th May 2025
52AQI
12th May 2025
49AQI
13th May 2025
65AQI
14th May 2025
64AQI
15th May 2025
52AQI
16th May 2025
49AQI
17th May 2025
56AQI
18th May 2025
53AQI
19th May 2025
54AQI
20th May 2025
52AQI
21st May 2025
56AQI
22nd May 2025
55AQI
23rd May 2025
54AQI
24th May 2025
47AQI
25th May 2025
46AQI
26th May 2025
41AQI
27th May 2025
41AQI
28th May 2025
48AQI
29th May 2025
45AQI
30th May 2025
44AQI
31st May 2025
44AQI
1st June 2025
46AQI
2nd June 2025
44AQI
3rd June 2025
48AQI
4th June 2025
59AQI
5th June 2025
59AQI
6th June 2025
63AQI
7th June 2025
66AQI
8th June 2025
63AQI
9th June 2025
61AQI
10th June 2025
60AQI
11th June 2025
50AQI
12th June 2025
48AQI
13th June 2025
53AQI
14th June 2025
52AQI
15th June 2025
42AQI
16th June 2025
44AQI
17th June 2025
49AQI
18th June 2025
51AQI
19th June 2025
51AQI
20th June 2025
49AQI
21st June 2025
50AQI
22nd June 2025
52AQI
23rd June 2025
47AQI
24th June 2025
44AQI
25th June 2025
46AQI
26th June 2025
46AQI
27th June 2025
50AQI
28th June 2025
42AQI
29th June 2025
42AQI
30th June 2025
44AQI
1st July 2025
46AQI
2nd July 2025
43AQI
3rd July 2025
46AQI
4th July 2025
52AQI
5th July 2025
49AQI
6th July 2025
49AQI
7th July 2025
46AQI
8th July 2025
53AQI
9th July 2025
53AQI
10th July 2025
56AQI
11th July 2025
53AQI
12th July 2025
54AQI
13th July 2025
48AQI
14th July 2025
52AQI
15th July 2025
51AQI
16th July 2025
44AQI
17th July 2025
46AQI
18th July 2025
42AQI
19th July 2025
40AQI
20th July 2025
41AQI
21st July 2025
42AQI
22nd July 2025
38AQI
23rd July 2025
37AQI
24th July 2025
42AQI
25th July 2025
47AQI
26th July 2025
50AQI
27th July 2025
45AQI
28th July 2025
45AQI
29th July 2025
44AQI
30th July 2025
48AQI
31st July 2025
54AQI
1st August 2025
58AQI
2nd August 2025
56AQI
3rd August 2025
58AQI
4th August 2025
57AQI
5th August 2025
56AQI
6th August 2025
54AQI
7th August 2025
53AQI
8th August 2025
54AQI
9th August 2025
51AQI
10th August 2025
50AQI
11th August 2025
47AQI
12th August 2025
51AQI
13th August 2025
51AQI
14th August 2025
55AQI
15th August 2025
50AQI
16th August 2025
48AQI
17th August 2025
48AQI
18th August 2025
49AQI
19th August 2025
51AQI
20th August 2025
55AQI
21st August 2025
58AQI
22nd August 2025
56AQI
23rd August 2025
53AQI
24th August 2025
52AQI
25th August 2025
53AQI
26th August 2025
50AQI
27th August 2025
50AQI
28th August 2025
50AQI
29th August 2025
53AQI
30th August 2025
53AQI
31st August 2025
48AQI
1st September 2025
49AQI
2nd September 2025
50AQI
3rd September 2025
55AQI
4th September 2025
47AQI
5th September 2025
51AQI
6th September 2025
50AQI
7th September 2025
55AQI
8th September 2025
52AQI
9th September 2025
47AQI
10th September 2025
47AQI
11th September 2025
48AQI
12th September 2025
51AQI
13th September 2025
52AQI
14th September 2025
49AQI
15th September 2025
50AQI
16th September 2025
47AQI
17th September 2025
49AQI
18th September 2025
47AQI
19th September 2025
38AQI
20th September 2025
37AQI
21st September 2025
41AQI
22nd September 2025
36AQI
23rd September 2025
34AQI
24th September 2025
33AQI
25th September 2025
30AQI
26th September 2025
22AQI
27th September 2025
35AQI
28th September 2025
41AQI
29th September 2025
43AQI
30th September 2025
42AQI
1st October 2025
47AQI
2nd October 2025
70AQI
3rd October 2025
86AQI
4th October 2025
64AQI
5th October 2025
58AQI
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025

114AQI

91AQI

112AQI

88AQI

59AQI

51AQI

47AQI

53AQI

44AQI

65AQI

No. of days

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

202573AQI

10
21
22
6
14
10
7
23
7
10
21
18
12
22
9
10
21
24
6
1
4
85
142
44
7

Highest AQI recorded in

January

114AQI

Lowest AQI recorded in

September

44AQI

202473AQI

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 recorded in

April

146AQI

Lowest AQI recorded in

September

33AQI

202385AQI

6
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
105
78
27
3

Highest AQI recorded in

March

154AQI

Lowest AQI recorded in

September

42AQI

202281AQI

1
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
82
93
70
17
1

Highest AQI recorded in

December

110AQI

Lowest AQI recorded in

July

27AQI

202171AQI

8
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
116
68
23

Highest AQI recorded in

March

123AQI

Lowest AQI recorded in

September

25AQI

202066AQI

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 recorded in

March

127AQI

Lowest AQI recorded in

August

34AQI

Most & Least Polluted Years Over the Last 6 Years

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

Vientiane US Embassy's annual 2025 AQI (73) shows an average percentage change of -2.4% (improved AQI) compared to previous years: 2020 (66), 2021 (71), 2022 (81), 2023 (85), 2024 (73).