Laos 4 PurpleAir, Phonsavan, Xiangkhouang, 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
Laos 4 PurpleAir, Phonsavan, Xiangkhouang, Laos
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
10th Aug 2023
201AQILowest AQI recorded on
9th Aug 2024
40AQISame Day Analysis (4th August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 3rd highest AQI at 51 of Moderate air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Laos 4 PurpleAir, Phonsavan, Xiangkhouang, Laos
AQI
Day
Night
.
5 AM5th Aug 2025
6 PM
4 AM6th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
9PM5th Aug
57AQI
Avg. Lowest Time
1PM5th Aug
50AQI
In the last 24 hours,
Laos 4 PurpleAir's AQI reached its highest point of 57 at 9 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Laos 4 PurpleAir, Phonsavan, Xiangkhouang, Laos
JulAug
07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th
Day
Night
7th Jul 2025405 AMAQI
7th Jul 2025406 AMAQI
7th Jul 2025537 AMAQI
7th Jul 2025618 AMAQI
7th Jul 2025509 AMAQI
7th Jul 20254210 AMAQI
7th Jul 20254411 AMAQI
7th Jul 20252912 PMAQI
7th Jul 2025301 PMAQI
7th Jul 2025322 PMAQI
7th Jul 2025373 PMAQI
7th Jul 2025324 PMAQI
7th Jul 2025345 PMAQI
7th Jul 2025406 PMAQI
7th Jul 2025357 PMAQI
7th Jul 2025358 PMAQI
7th Jul 2025349 PMAQI
7th Jul 20253610 PMAQI
7th Jul 20254011 PMAQI
8th Jul 20254012 AMAQI
8th Jul 2025431 AMAQI
8th Jul 2025422 AMAQI
8th Jul 2025423 AMAQI
8th Jul 2025414 AMAQI
20°C18/23°C
8th Jul 2025425 AMAQI
8th Jul 2025426 AMAQI
8th Jul 2025467 AMAQI
8th Jul 2025358 AMAQI
8th Jul 2025439 AMAQI
8th Jul 20253910 AMAQI
8th Jul 20253811 AMAQI
8th Jul 20253312 PMAQI
8th Jul 2025341 PMAQI
8th Jul 2025362 PMAQI
8th Jul 2025303 PMAQI
8th Jul 2025324 PMAQI
8th Jul 2025445 PMAQI
8th Jul 2025346 PMAQI
8th Jul 2025347 PMAQI
8th Jul 2025418 PMAQI
8th Jul 2025419 PMAQI
8th Jul 20254810 PMAQI
8th Jul 20255211 PMAQI
9th Jul 20254812 AMAQI
9th Jul 2025481 AMAQI
9th Jul 2025472 AMAQI
9th Jul 2025433 AMAQI
9th Jul 2025424 AMAQI
21°C18/27°C
9th Jul 2025405 AMAQI
9th Jul 2025416 AMAQI
9th Jul 2025467 AMAQI
9th Jul 2025488 AMAQI
9th Jul 2025459 AMAQI
9th Jul 20253510 AMAQI
9th Jul 20254411 AMAQI
9th Jul 20254712 PMAQI
9th Jul 2025481 PMAQI
9th Jul 2025442 PMAQI
9th Jul 2025443 PMAQI
9th Jul 2025444 PMAQI
9th Jul 2025485 PMAQI
9th Jul 2025526 PMAQI
9th Jul 2025467 PMAQI
9th Jul 2025528 PMAQI
9th Jul 2025499 PMAQI
9th Jul 20254010 PMAQI
9th Jul 20254111 PMAQI
10th Jul 20254512 AMAQI
10th Jul 2025481 AMAQI
10th Jul 2025472 AMAQI
10th Jul 2025483 AMAQI
10th Jul 2025464 AMAQI
21°C18/26°C
10th Jul 2025475 AMAQI
10th Jul 2025476 AMAQI
10th Jul 2025457 AMAQI
10th Jul 2025468 AMAQI
10th Jul 2025429 AMAQI
10th Jul 20254410 AMAQI
10th Jul 20255211 AMAQI
10th Jul 20255212 PMAQI
10th Jul 2025521 PMAQI
10th Jul 2025522 PMAQI
10th Jul 2025523 PMAQI
10th Jul 2025514 PMAQI
10th Jul 2025535 PMAQI
10th Jul 2025526 PMAQI
10th Jul 2025527 PMAQI
10th Jul 2025508 PMAQI
10th Jul 2025499 PMAQI
10th Jul 20255210 PMAQI
10th Jul 20255211 PMAQI
11th Jul 20255012 AMAQI
11th Jul 2025521 AMAQI
11th Jul 2025502 AMAQI
11th Jul 2025503 AMAQI
11th Jul 2025514 AMAQI
20°C18/23°C
11th Jul 2025525 AMAQI
11th Jul 2025526 AMAQI
11th Jul 2025537 AMAQI
11th Jul 2025498 AMAQI
11th Jul 2025529 AMAQI
11th Jul 20255210 AMAQI
11th Jul 20255111 AMAQI
11th Jul 20254812 PMAQI
11th Jul 2025481 PMAQI
11th Jul 2025482 PMAQI
11th Jul 2025503 PMAQI
11th Jul 2025464 PMAQI
11th Jul 2025505 PMAQI
11th Jul 2025526 PMAQI
11th Jul 2025527 PMAQI
11th Jul 2025528 PMAQI
11th Jul 2025539 PMAQI
11th Jul 20255410 PMAQI
11th Jul 20255311 PMAQI
12th Jul 20255212 AMAQI
12th Jul 2025521 AMAQI
12th Jul 2025522 AMAQI
12th Jul 2025523 AMAQI
12th Jul 2025524 AMAQI
20°C18/23°C
12th Jul 2025515 AMAQI
12th Jul 2025516 AMAQI
12th Jul 2025447 AMAQI
12th Jul 2025388 AMAQI
12th Jul 2025409 AMAQI
12th Jul 20254410 AMAQI
12th Jul 20253711 AMAQI
12th Jul 20254012 PMAQI
12th Jul 2025481 PMAQI
12th Jul 2025492 PMAQI
12th Jul 2025483 PMAQI
12th Jul 2025444 PMAQI
12th Jul 2025455 PMAQI
12th Jul 2025506 PMAQI
12th Jul 2025507 PMAQI
12th Jul 2025508 PMAQI
12th Jul 2025499 PMAQI
12th Jul 20255310 PMAQI
12th Jul 20255311 PMAQI
13th Jul 20255212 AMAQI
13th Jul 2025531 AMAQI
13th Jul 2025532 AMAQI
13th Jul 2025533 AMAQI
13th Jul 2025534 AMAQI
21°C19/23°C
13th Jul 2025535 AMAQI
13th Jul 2025526 AMAQI
13th Jul 2025487 AMAQI
13th Jul 2025368 AMAQI
13th Jul 2025349 AMAQI
13th Jul 20255410 AMAQI
13th Jul 20255011 AMAQI
13th Jul 20254612 PMAQI
13th Jul 2025421 PMAQI
13th Jul 2025462 PMAQI
13th Jul 2025453 PMAQI
13th Jul 2025444 PMAQI
13th Jul 2025455 PMAQI
13th Jul 2025466 PMAQI
13th Jul 2025507 PMAQI
13th Jul 2025508 PMAQI
13th Jul 2025479 PMAQI
13th Jul 20254810 PMAQI
13th Jul 20254911 PMAQI
14th Jul 20255212 AMAQI
14th Jul 2025521 AMAQI
14th Jul 2025522 AMAQI
14th Jul 2025523 AMAQI
14th Jul 2025524 AMAQI
21°C19/24°C
14th Jul 2025525 AMAQI
14th Jul 2025526 AMAQI
14th Jul 2025487 AMAQI
14th Jul 2025548 AMAQI
14th Jul 2025479 AMAQI
14th Jul 20254710 AMAQI
14th Jul 20255211 AMAQI
14th Jul 20255012 PMAQI
14th Jul 2025451 PMAQI
14th Jul 2025362 PMAQI
14th Jul 2025393 PMAQI
14th Jul 2025394 PMAQI
14th Jul 2025425 PMAQI
14th Jul 2025486 PMAQI
14th Jul 2025507 PMAQI
14th Jul 2025528 PMAQI
14th Jul 2025519 PMAQI
14th Jul 20255010 PMAQI
14th Jul 20254911 PMAQI
15th Jul 20254412 AMAQI
15th Jul 2025441 AMAQI
15th Jul 2025472 AMAQI
15th Jul 2025493 AMAQI
15th Jul 2025494 AMAQI
22°C20/27°C
15th Jul 2025505 AMAQI
15th Jul 2025516 AMAQI
15th Jul 2025507 AMAQI
15th Jul 2025448 AMAQI
15th Jul 2025479 AMAQI
15th Jul 20254410 AMAQI
15th Jul 20254011 AMAQI
15th Jul 20254712 PMAQI
15th Jul 2025341 PMAQI
15th Jul 2025412 PMAQI
15th Jul 2025463 PMAQI
15th Jul 2025464 PMAQI
15th Jul 2025455 PMAQI
15th Jul 2025506 PMAQI
15th Jul 2025477 PMAQI
15th Jul 2025508 PMAQI
15th Jul 2025509 PMAQI
15th Jul 20254810 PMAQI
15th Jul 20255011 PMAQI
16th Jul 20254812 AMAQI
16th Jul 2025441 AMAQI
16th Jul 2025502 AMAQI
16th Jul 2025493 AMAQI
16th Jul 2025494 AMAQI
21°C19/24°C
16th Jul 2025505 AMAQI
16th Jul 2025496 AMAQI
16th Jul 2025397 AMAQI
16th Jul 2025418 AMAQI
16th Jul 2025409 AMAQI
16th Jul 20253610 AMAQI
16th Jul 20254111 AMAQI
16th Jul 20254112 PMAQI
16th Jul 2025421 PMAQI
16th Jul 2025382 PMAQI
16th Jul 2025463 PMAQI
16th Jul 2025444 PMAQI
16th Jul 2025485 PMAQI
16th Jul 2025436 PMAQI
16th Jul 2025437 PMAQI
16th Jul 2025468 PMAQI
16th Jul 2025479 PMAQI
16th Jul 20255110 PMAQI
16th Jul 20255111 PMAQI
17th Jul 20255012 AMAQI
17th Jul 2025521 AMAQI
17th Jul 2025492 AMAQI
17th Jul 2025483 AMAQI
17th Jul 2025504 AMAQI
20°C19/22°C
17th Jul 2025485 AMAQI
17th Jul 2025486 AMAQI
17th Jul 2025467 AMAQI
17th Jul 2025428 AMAQI
17th Jul 2025399 AMAQI
17th Jul 20253210 AMAQI
17th Jul 20254711 AMAQI
17th Jul 20254612 PMAQI
17th Jul 2025421 PMAQI
17th Jul 2025432 PMAQI
17th Jul 2025433 PMAQI
17th Jul 2025384 PMAQI
17th Jul 2025345 PMAQI
17th Jul 2025356 PMAQI
17th Jul 2025417 PMAQI
17th Jul 2025458 PMAQI
17th Jul 2025449 PMAQI
17th Jul 20254310 PMAQI
17th Jul 20255411 PMAQI
18th Jul 20254612 AMAQI
18th Jul 2025471 AMAQI
18th Jul 2025472 AMAQI
18th Jul 2025483 AMAQI
18th Jul 2025474 AMAQI
21°C18/27°C
18th Jul 2025485 AMAQI
18th Jul 2025486 AMAQI
18th Jul 2025537 AMAQI
18th Jul 2025438 AMAQI
18th Jul 2025419 AMAQI
18th Jul 20255310 AMAQI
18th Jul 20254011 AMAQI
18th Jul 20253512 PMAQI
18th Jul 2025421 PMAQI
18th Jul 2025482 PMAQI
18th Jul 2025343 PMAQI
18th Jul 2025354 PMAQI
18th Jul 2025365 PMAQI
18th Jul 2025466 PMAQI
18th Jul 2025427 PMAQI
18th Jul 2025408 PMAQI
18th Jul 2025429 PMAQI
18th Jul 20254310 PMAQI
18th Jul 20254911 PMAQI
19th Jul 20254612 AMAQI
19th Jul 2025461 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025443 AMAQI
19th Jul 2025444 AMAQI
22°C18/28°C
19th Jul 2025445 AMAQI
19th Jul 2025446 AMAQI
19th Jul 2025487 AMAQI
19th Jul 2025528 AMAQI
19th Jul 2025479 AMAQI
19th Jul 20255010 AMAQI
19th Jul 20254611 AMAQI
19th Jul 20254612 PMAQI
19th Jul 2025441 PMAQI
19th Jul 2025402 PMAQI
19th Jul 2025393 PMAQI
19th Jul 2025394 PMAQI
19th Jul 2025465 PMAQI
19th Jul 2025436 PMAQI
19th Jul 2025427 PMAQI
19th Jul 2025428 PMAQI
19th Jul 2025489 PMAQI
19th Jul 20255110 PMAQI
19th Jul 20254611 PMAQI
20th Jul 20255012 AMAQI
20th Jul 2025471 AMAQI
20th Jul 2025482 AMAQI
20th Jul 2025473 AMAQI
20th Jul 2025464 AMAQI
22°C19/29°C
20th Jul 2025445 AMAQI
20th Jul 2025466 AMAQI
20th Jul 2025527 AMAQI
20th Jul 2025558 AMAQI
20th Jul 2025569 AMAQI
20th Jul 20255210 AMAQI
20th Jul 20255111 AMAQI
20th Jul 20254512 PMAQI
20th Jul 2025471 PMAQI
20th Jul 2025362 PMAQI
20th Jul 2025343 PMAQI
20th Jul 2025514 PMAQI
20th Jul 2025405 PMAQI
20th Jul 2025446 PMAQI
20th Jul 2025457 PMAQI
20th Jul 2025458 PMAQI
20th Jul 2025489 PMAQI
20th Jul 20254610 PMAQI
20th Jul 20254411 PMAQI
21st Jul 20254212 AMAQI
21st Jul 2025461 AMAQI
21st Jul 2025442 AMAQI
21st Jul 2025453 AMAQI
21st Jul 2025464 AMAQI
20°C18/22°C
21st Jul 2025465 AMAQI
21st Jul 2025446 AMAQI
21st Jul 2025547 AMAQI
21st Jul 2025598 AMAQI
21st Jul 2025579 AMAQI
21st Jul 20255710 AMAQI
21st Jul 20255311 AMAQI
21st Jul 20254812 PMAQI
21st Jul 2025461 PMAQI
21st Jul 2025492 PMAQI
21st Jul 2025433 PMAQI
21st Jul 2025464 PMAQI
21st Jul 2025505 PMAQI
21st Jul 2025526 PMAQI
21st Jul 2025507 PMAQI
21st Jul 2025528 PMAQI
21st Jul 2025529 PMAQI
21st Jul 20255210 PMAQI
21st Jul 20255111 PMAQI
22nd Jul 20254412 AMAQI
22nd Jul 2025471 AMAQI
22nd Jul 2025462 AMAQI
22nd Jul 2025473 AMAQI
22nd Jul 2025454 AMAQI
19°C18/20°C
22nd Jul 2025455 AMAQI
22nd Jul 2025446 AMAQI
22nd Jul 2025437 AMAQI
22nd Jul 2025438 AMAQI
22nd Jul 2025429 AMAQI
22nd Jul 20253410 AMAQI
22nd Jul 20254711 AMAQI
22nd Jul 20254412 PMAQI
22nd Jul 2025381 PMAQI
22nd Jul 2025432 PMAQI
22nd Jul 2025443 PMAQI
22nd Jul 2025444 PMAQI
22nd Jul 2025455 PMAQI
22nd Jul 2025506 PMAQI
22nd Jul 2025477 PMAQI
22nd Jul 2025458 PMAQI
22nd Jul 2025499 PMAQI
22nd Jul 20255210 PMAQI
22nd Jul 20254711 PMAQI
23rd Jul 20254612 AMAQI
23rd Jul 2025461 AMAQI
23rd Jul 2025442 AMAQI
23rd Jul 2025453 AMAQI
23rd Jul 2025444 AMAQI
19°C18/20°C
23rd Jul 2025475 AMAQI
23rd Jul 2025466 AMAQI
23rd Jul 2025487 AMAQI
23rd Jul 2025518 AMAQI
23rd Jul 2025589 AMAQI
23rd Jul 20255610 AMAQI
23rd Jul 20255411 AMAQI
23rd Jul 20254312 PMAQI
23rd Jul 2025531 PMAQI
23rd Jul 2025422 PMAQI
23rd Jul 2025343 PMAQI
23rd Jul 2025364 PMAQI
23rd Jul 2025415 PMAQI
23rd Jul 2025486 PMAQI
23rd Jul 2025467 PMAQI
23rd Jul 2025458 PMAQI
23rd Jul 2025529 PMAQI
23rd Jul 20255210 PMAQI
23rd Jul 20254611 PMAQI
24th Jul 20254612 AMAQI
24th Jul 2025431 AMAQI
24th Jul 2025442 AMAQI
24th Jul 2025473 AMAQI
24th Jul 2025474 AMAQI
19°C18/20°C
24th Jul 2025485 AMAQI
24th Jul 2025476 AMAQI
24th Jul 2025467 AMAQI
24th Jul 2025448 AMAQI
24th Jul 2025349 AMAQI
24th Jul 20252910 AMAQI
24th Jul 20252811 AMAQI
24th Jul 20252712 PMAQI
24th Jul 2025321 PMAQI
24th Jul 2025302 PMAQI
24th Jul 2025303 PMAQI
24th Jul 2025444 PMAQI
24th Jul 2025365 PMAQI
24th Jul 2025406 PMAQI
24th Jul 2025457 PMAQI
24th Jul 2025438 PMAQI
24th Jul 2025449 PMAQI
24th Jul 20254810 PMAQI
24th Jul 20254811 PMAQI
25th Jul 20254812 AMAQI
25th Jul 2025501 AMAQI
25th Jul 2025472 AMAQI
25th Jul 2025423 AMAQI
25th Jul 2025444 AMAQI
20°C19/22°C
25th Jul 2025435 AMAQI
25th Jul 2025456 AMAQI
25th Jul 2025517 AMAQI
25th Jul 2025518 AMAQI
25th Jul 2025479 AMAQI
25th Jul 20254710 AMAQI
25th Jul 20255211 AMAQI
25th Jul 20255212 PMAQI
25th Jul 2025361 PMAQI
25th Jul 2025332 PMAQI
25th Jul 2025343 PMAQI
25th Jul 2025324 PMAQI
25th Jul 2025325 PMAQI
25th Jul 2025446 PMAQI
25th Jul 2025487 PMAQI
25th Jul 2025468 PMAQI
25th Jul 2025489 PMAQI
25th Jul 20254710 PMAQI
25th Jul 20254511 PMAQI
26th Jul 20254412 AMAQI
26th Jul 2025491 AMAQI
26th Jul 2025492 AMAQI
26th Jul 2025473 AMAQI
26th Jul 2025484 AMAQI
19°C19/20°C
26th Jul 2025475 AMAQI
26th Jul 2025466 AMAQI
26th Jul 2025487 AMAQI
26th Jul 2025528 AMAQI
26th Jul 2025549 AMAQI
26th Jul 20255210 AMAQI
26th Jul 20255011 AMAQI
26th Jul 20255112 PMAQI
26th Jul 2025521 PMAQI
26th Jul 2025502 PMAQI
26th Jul 2025473 PMAQI
26th Jul 2025524 PMAQI
26th Jul 2025505 PMAQI
26th Jul 2025496 PMAQI
26th Jul 2025527 PMAQI
26th Jul 2025478 PMAQI
26th Jul 2025499 PMAQI
26th Jul 20254810 PMAQI
26th Jul 20254911 PMAQI
27th Jul 20254512 AMAQI
27th Jul 2025481 AMAQI
27th Jul 2025462 AMAQI
27th Jul 2025473 AMAQI
27th Jul 2025464 AMAQI
19°C18/21°C
27th Jul 2025465 AMAQI
27th Jul 2025466 AMAQI
27th Jul 2025527 AMAQI
27th Jul 2025528 AMAQI
27th Jul 2025439 AMAQI
27th Jul 20255310 AMAQI
27th Jul 20253911 AMAQI
27th Jul 20254012 PMAQI
27th Jul 2025441 PMAQI
27th Jul 2025442 PMAQI
27th Jul 2025483 PMAQI
27th Jul 2025504 PMAQI
27th Jul 2025475 PMAQI
27th Jul 2025496 PMAQI
27th Jul 2025447 PMAQI
27th Jul 2025458 PMAQI
27th Jul 2025449 PMAQI
27th Jul 20255210 PMAQI
27th Jul 20254611 PMAQI
28th Jul 20254312 AMAQI
28th Jul 2025461 AMAQI
28th Jul 2025482 AMAQI
28th Jul 2025473 AMAQI
28th Jul 2025444 AMAQI
20°C19/23°C
28th Jul 2025485 AMAQI
28th Jul 2025466 AMAQI
28th Jul 2025487 AMAQI
28th Jul 2025488 AMAQI
28th Jul 2025429 AMAQI
28th Jul 20254410 AMAQI
28th Jul 20253711 AMAQI
28th Jul 20253412 PMAQI
28th Jul 2025351 PMAQI
28th Jul 2025442 PMAQI
28th Jul 2025443 PMAQI
28th Jul 2025484 PMAQI
28th Jul 2025465 PMAQI
28th Jul 2025526 PMAQI
28th Jul 2025447 PMAQI
28th Jul 2025408 PMAQI
28th Jul 2025439 PMAQI
28th Jul 20254410 PMAQI
28th Jul 20254411 PMAQI
29th Jul 20254312 AMAQI
29th Jul 2025461 AMAQI
29th Jul 2025442 AMAQI
29th Jul 2025423 AMAQI
29th Jul 2025424 AMAQI
20°C18/21°C
29th Jul 2025425 AMAQI
29th Jul 2025426 AMAQI
29th Jul 2025467 AMAQI
29th Jul 2025448 AMAQI
29th Jul 2025379 AMAQI
29th Jul 20253610 AMAQI
29th Jul 20253411 AMAQI
29th Jul 20254412 PMAQI
29th Jul 2025351 PMAQI
29th Jul 2025372 PMAQI
29th Jul 2025413 PMAQI
29th Jul 2025414 PMAQI
29th Jul 2025395 PMAQI
29th Jul 2025376 PMAQI
29th Jul 2025407 PMAQI
29th Jul 2025428 PMAQI
29th Jul 2025459 PMAQI
29th Jul 20254510 PMAQI
29th Jul 20254611 PMAQI
30th Jul 20254212 AMAQI
30th Jul 2025411 AMAQI
30th Jul 2025402 AMAQI
30th Jul 2025413 AMAQI
30th Jul 2025434 AMAQI
21°C18/24°C
30th Jul 2025435 AMAQI
30th Jul 2025426 AMAQI
30th Jul 2025507 AMAQI
30th Jul 2025548 AMAQI
30th Jul 2025529 AMAQI
30th Jul 20254010 AMAQI
30th Jul 20254211 AMAQI
30th Jul 20254112 PMAQI
30th Jul 2025401 PMAQI
30th Jul 2025402 PMAQI
30th Jul 2025493 PMAQI
30th Jul 2025544 PMAQI
30th Jul 2025525 PMAQI
30th Jul 2025466 PMAQI
30th Jul 2025437 PMAQI
30th Jul 2025448 PMAQI
30th Jul 2025459 PMAQI
30th Jul 20254610 PMAQI
30th Jul 20255011 PMAQI
31st Jul 20254712 AMAQI
31st Jul 2025481 AMAQI
31st Jul 2025482 AMAQI
31st Jul 2025473 AMAQI
31st Jul 2025474 AMAQI
21°C19/24°C
31st Jul 2025475 AMAQI
31st Jul 2025476 AMAQI
31st Jul 2025477 AMAQI
31st Jul 2025478 AMAQI
31st Jul 2025539 AMAQI
31st Jul 20255510 AMAQI
31st Jul 20255211 AMAQI
31st Jul 20255412 PMAQI
31st Jul 2025521 PMAQI
31st Jul 2025542 PMAQI
31st Jul 2025543 PMAQI
31st Jul 2025554 PMAQI
31st Jul 2025555 PMAQI
31st Jul 2025646 PMAQI
31st Jul 2025577 PMAQI
31st Jul 2025558 PMAQI
31st Jul 2025589 PMAQI
31st Jul 20255410 PMAQI
31st Jul 20255411 PMAQI
1st Aug 20255412 AMAQI
1st Aug 2025541 AMAQI
1st Aug 2025542 AMAQI
1st Aug 2025533 AMAQI
1st Aug 2025544 AMAQI
21°C18/26°C
1st Aug 2025535 AMAQI
1st Aug 2025546 AMAQI
1st Aug 2025427 AMAQI
1st Aug 2025528 AMAQI
1st Aug 2025529 AMAQI
1st Aug 20255210 AMAQI
1st Aug 20255411 AMAQI
1st Aug 20255912 PMAQI
1st Aug 2025531 PMAQI
1st Aug 2025522 PMAQI
1st Aug 2025593 PMAQI
1st Aug 2025564 PMAQI
1st Aug 2025515 PMAQI
1st Aug 2025556 PMAQI
1st Aug 2025577 PMAQI
1st Aug 2025578 PMAQI
1st Aug 2025569 PMAQI
1st Aug 20255410 PMAQI
1st Aug 20255611 PMAQI
2nd Aug 20255412 AMAQI
2nd Aug 2025541 AMAQI
2nd Aug 2025542 AMAQI
2nd Aug 2025543 AMAQI
2nd Aug 2025544 AMAQI
20°C18/23°C
2nd Aug 2025555 AMAQI
2nd Aug 2025556 AMAQI
2nd Aug 2025517 AMAQI
2nd Aug 2025528 AMAQI
2nd Aug 2025519 AMAQI
2nd Aug 20255510 AMAQI
2nd Aug 20256311 AMAQI
2nd Aug 20254912 PMAQI
2nd Aug 2025521 PMAQI
2nd Aug 2025532 PMAQI
2nd Aug 2025563 PMAQI
2nd Aug 2025564 PMAQI
2nd Aug 2025565 PMAQI
2nd Aug 2025586 PMAQI
2nd Aug 2025567 PMAQI
2nd Aug 2025588 PMAQI
2nd Aug 2025579 PMAQI
2nd Aug 20255710 PMAQI
2nd Aug 20256011 PMAQI
3rd Aug 20255412 AMAQI
3rd Aug 2025541 AMAQI
3rd Aug 2025552 AMAQI
3rd Aug 2025543 AMAQI
3rd Aug 2025544 AMAQI
21°C18/25°C
3rd Aug 2025545 AMAQI
3rd Aug 2025546 AMAQI
3rd Aug 2025557 AMAQI
3rd Aug 2025548 AMAQI
3rd Aug 2025549 AMAQI
3rd Aug 20255210 AMAQI
3rd Aug 20255211 AMAQI
3rd Aug 20255412 PMAQI
3rd Aug 2025521 PMAQI
3rd Aug 2025502 PMAQI
3rd Aug 2025453 PMAQI
3rd Aug 2025464 PMAQI
3rd Aug 2025485 PMAQI
3rd Aug 2025516 PMAQI
3rd Aug 2025557 PMAQI
3rd Aug 2025568 PMAQI
3rd Aug 2025579 PMAQI
3rd Aug 20255610 PMAQI
3rd Aug 20255611 PMAQI
4th Aug 20255512 AMAQI
4th Aug 2025551 AMAQI
4th Aug 2025552 AMAQI
4th Aug 2025553 AMAQI
4th Aug 2025544 AMAQI
21°C18/25°C
4th Aug 2025555 AMAQI
4th Aug 2025556 AMAQI
4th Aug 2025417 AMAQI
4th Aug 2025418 AMAQI
4th Aug 2025479 AMAQI
4th Aug 20255010 AMAQI
4th Aug 20255211 AMAQI
4th Aug 20254812 PMAQI
4th Aug 2025481 PMAQI
4th Aug 2025402 PMAQI
4th Aug 2025353 PMAQI
4th Aug 2025334 PMAQI
4th Aug 2025385 PMAQI
4th Aug 2025486 PMAQI
4th Aug 2025547 PMAQI
4th Aug 2025548 PMAQI
4th Aug 2025529 PMAQI
4th Aug 20255210 PMAQI
4th Aug 20255511 PMAQI
5th Aug 20255512 AMAQI
5th Aug 2025551 AMAQI
5th Aug 2025542 AMAQI
5th Aug 2025553 AMAQI
5th Aug 2025544 AMAQI
22°C18/28°C
5th Aug 2025545 AMAQI
5th Aug 2025546 AMAQI
5th Aug 2025507 AMAQI
5th Aug 2025538 AMAQI
5th Aug 2025569 AMAQI
5th Aug 20255510 AMAQI
5th Aug 20255411 AMAQI
5th Aug 20255412 PMAQI
5th Aug 2025501 PMAQI
5th Aug 2025542 PMAQI
5th Aug 2025523 PMAQI
5th Aug 2025524 PMAQI
5th Aug 2025545 PMAQI
5th Aug 2025536 PMAQI
5th Aug 2025547 PMAQI
5th Aug 2025568 PMAQI
5th Aug 2025579 PMAQI
5th Aug 20255610 PMAQI
5th Aug 20255611 PMAQI
6th Aug 20255412 AMAQI
6th Aug 2025541 AMAQI
--°C/°C
5 AM
11 AM
6 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 6 PM
46AQI
14 hours / Day
420 hours / Month
Avg. Lowest Time
5 AM - 5 PM
46AQI
13 hours / Day
390 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 6 PM (Avg. 46), while the lowest AQI was between 5 AM to 5 PM (Avg. 46).
Night time
Avg. Highest Time
12 AM - 11 PM
48AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM - 11 PM
48AQI
10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 48), while the lowest AQI was between 12 AM to 11 PM (Avg. 48).
2025 Days Vs Air Quality
Laos 4 PurpleAir, Phonsavan, Xiangkhouang, Laos
2025
21%
46
61%
132
18%
38
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
46 DaysModerate
132 DaysPoor
38 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 21%
Health Risk Level:
Very high
In 2025, 21% of 217 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Laos 4 PurpleAir, Phonsavan, Xiangkhouang, Laos
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
1st January 2025
91AQI
91AQI
2nd January 2025
89AQI
89AQI
3rd January 2025
95AQI
95AQI
4th January 2025
110AQI
110AQI
5th January 2025
105AQI
105AQI
6th January 2025
113AQI
113AQI
7th January 2025
115AQI
115AQI
8th January 2025
120AQI
120AQI
9th January 2025
103AQI
103AQI
10th January 2025
103AQI
103AQI
11th January 2025
93AQI
93AQI
12th January 2025
93AQI
93AQI
13th January 2025
91AQI
91AQI
14th January 2025
98AQI
98AQI
15th January 2025
101AQI
101AQI
16th January 2025
108AQI
108AQI
17th January 2025
108AQI
108AQI
18th January 2025
116AQI
116AQI
19th January 2025
101AQI
101AQI
20th January 2025
104AQI
104AQI
21st January 2025
106AQI
106AQI
22nd January 2025
114AQI
114AQI
23rd January 2025
101AQI
101AQI
24th January 2025
92AQI
92AQI
25th January 2025
86AQI
86AQI
26th January 2025
79AQI
79AQI
27th January 2025
81AQI
81AQI
28th January 2025
86AQI
86AQI
29th January 2025
91AQI
91AQI
30th January 2025
88AQI
88AQI
31st January 2025
96AQI
96AQI
1st February 2025
102AQI
102AQI
2nd February 2025
103AQI
103AQI
3rd February 2025
87AQI
87AQI
4th February 2025
82AQI
82AQI
5th February 2025
83AQI
83AQI
6th February 2025
96AQI
96AQI
7th February 2025
82AQI
82AQI
8th February 2025
69AQI
69AQI
9th February 2025
70AQI
70AQI
10th February 2025
75AQI
75AQI
11th February 2025
75AQI
75AQI
12th February 2025
88AQI
88AQI
13th February 2025
80AQI
80AQI
14th February 2025
67AQI
67AQI
15th February 2025
65AQI
65AQI
16th February 2025
69AQI
69AQI
17th February 2025
63AQI
63AQI
18th February 2025
60AQI
60AQI
19th February 2025
60AQI
60AQI
20th February 2025
61AQI
61AQI
21st February 2025
52AQI
52AQI
22nd February 2025
56AQI
56AQI
23rd February 2025
50AQI
50AQI
24th February 2025
42AQI
42AQI
25th February 2025
47AQI
47AQI
26th February 2025
46AQI
46AQI
27th February 2025
51AQI
51AQI
28th February 2025
56AQI
56AQI
1st March 2025
58AQI
58AQI
2nd March 2025
63AQI
63AQI
3rd March 2025
69AQI
69AQI
4th March 2025
79AQI
79AQI
5th March 2025
82AQI
82AQI
6th March 2025
82AQI
82AQI
7th March 2025
68AQI
68AQI
8th March 2025
68AQI
68AQI
9th March 2025
64AQI
64AQI
10th March 2025
61AQI
61AQI
11th March 2025
63AQI
63AQI
12th March 2025
65AQI
65AQI
13th March 2025
77AQI
77AQI
14th March 2025
99AQI
99AQI
15th March 2025
113AQI
113AQI
16th March 2025
94AQI
94AQI
17th March 2025
96AQI
96AQI
18th March 2025
71AQI
71AQI
19th March 2025
82AQI
82AQI
20th March 2025
86AQI
86AQI
21st March 2025
97AQI
97AQI
22nd March 2025
114AQI
114AQI
23rd March 2025
131AQI
131AQI
24th March 2025
122AQI
122AQI
25th March 2025
119AQI
119AQI
26th March 2025
117AQI
117AQI
27th March 2025
124AQI
124AQI
28th March 2025
148AQI
148AQI
29th March 2025
140AQI
140AQI
30th March 2025
110AQI
110AQI
31st March 2025
102AQI
102AQI
1st April 2025
100AQI
100AQI
2nd April 2025
117AQI
117AQI
3rd April 2025
113AQI
113AQI
4th April 2025
134AQI
134AQI
5th April 2025
130AQI
130AQI
6th April 2025
113AQI
113AQI
7th April 2025
98AQI
98AQI
8th April 2025
94AQI
94AQI
9th April 2025
116AQI
116AQI
10th April 2025
119AQI
119AQI
11th April 2025
112AQI
112AQI
12th April 2025
99AQI
99AQI
13th April 2025
97AQI
97AQI
14th April 2025
78AQI
78AQI
15th April 2025
78AQI
78AQI
16th April 2025
71AQI
71AQI
17th April 2025
69AQI
69AQI
18th April 2025
70AQI
70AQI
19th April 2025
68AQI
68AQI
20th April 2025
72AQI
72AQI
21st April 2025
66AQI
66AQI
22nd April 2025
72AQI
72AQI
23rd April 2025
82AQI
82AQI
24th April 2025
89AQI
89AQI
25th April 2025
88AQI
88AQI
26th April 2025
92AQI
92AQI
27th April 2025
101AQI
101AQI
28th April 2025
88AQI
88AQI
29th April 2025
82AQI
82AQI
30th April 2025
77AQI
77AQI
1st May 2025
80AQI
80AQI
2nd May 2025
88AQI
88AQI
3rd May 2025
78AQI
78AQI
4th May 2025
74AQI
74AQI
5th May 2025
81AQI
81AQI
6th May 2025
78AQI
78AQI
7th May 2025
83AQI
83AQI
8th May 2025
91AQI
91AQI
9th May 2025
87AQI
87AQI
10th May 2025
83AQI
83AQI
11th May 2025
77AQI
77AQI
12th May 2025
82AQI
82AQI
13th May 2025
89AQI
89AQI
14th May 2025
88AQI
88AQI
15th May 2025
75AQI
75AQI
16th May 2025
72AQI
72AQI
17th May 2025
71AQI
71AQI
18th May 2025
67AQI
67AQI
19th May 2025
67AQI
67AQI
20th May 2025
76AQI
76AQI
21st May 2025
72AQI
72AQI
22nd May 2025
72AQI
72AQI
23rd May 2025
73AQI
73AQI
24th May 2025
73AQI
73AQI
25th May 2025
80AQI
80AQI
26th May 2025
77AQI
77AQI
27th May 2025
78AQI
78AQI
28th May 2025
82AQI
82AQI
29th May 2025
72AQI
72AQI
30th May 2025
78AQI
78AQI
31st May 2025
66AQI
66AQI
1st June 2025
70AQI
70AQI
2nd June 2025
71AQI
71AQI
3rd June 2025
68AQI
68AQI
4th June 2025
82AQI
82AQI
5th June 2025
79AQI
79AQI
6th June 2025
73AQI
73AQI
7th June 2025
77AQI
77AQI
8th June 2025
75AQI
75AQI
9th June 2025
79AQI
79AQI
10th June 2025
72AQI
72AQI
11th June 2025
69AQI
69AQI
12th June 2025
70AQI
70AQI
13th June 2025
73AQI
73AQI
14th June 2025
77AQI
77AQI
15th June 2025
79AQI
79AQI
16th June 2025
62AQI
62AQI
17th June 2025
58AQI
58AQI
18th June 2025
42AQI
42AQI
19th June 2025
39AQI
39AQI
20th June 2025
42AQI
42AQI
21st June 2025
43AQI
43AQI
22nd June 2025
43AQI
43AQI
23rd June 2025
43AQI
43AQI
24th June 2025
44AQI
44AQI
25th June 2025
43AQI
43AQI
26th June 2025
47AQI
47AQI
27th June 2025
45AQI
45AQI
28th June 2025
42AQI
42AQI
29th June 2025
41AQI
41AQI
30th June 2025
44AQI
44AQI
1st July 2025
42AQI
42AQI
2nd July 2025
39AQI
39AQI
3rd July 2025
38AQI
38AQI
4th July 2025
35AQI
35AQI
5th July 2025
41AQI
41AQI
6th July 2025
39AQI
39AQI
7th July 2025
39AQI
39AQI
8th July 2025
40AQI
40AQI
9th July 2025
46AQI
46AQI
10th July 2025
48AQI
48AQI
11th July 2025
51AQI
51AQI
12th July 2025
49AQI
49AQI
13th July 2025
49AQI
49AQI
14th July 2025
49AQI
49AQI
15th July 2025
47AQI
47AQI
16th July 2025
46AQI
46AQI
17th July 2025
45AQI
45AQI
18th July 2025
44AQI
44AQI
19th July 2025
45AQI
45AQI
20th July 2025
47AQI
47AQI
21st July 2025
48AQI
48AQI
22nd July 2025
45AQI
45AQI
23rd July 2025
47AQI
47AQI
24th July 2025
42AQI
42AQI
25th July 2025
45AQI
45AQI
26th July 2025
48AQI
48AQI
27th July 2025
46AQI
46AQI
28th July 2025
44AQI
44AQI
29th July 2025
42AQI
42AQI
30th July 2025
44AQI
44AQI
31st July 2025
51AQI
51AQI
1st August 2025
54AQI
54AQI
2nd August 2025
55AQI
55AQI
3rd August 2025
54AQI
54AQI
4th August 2025
51AQI
51AQI
99AQI
69AQI
92AQI
93AQI
78AQI
60AQI
45AQI
54AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202576AQI
15
16
4
22
2
20
11
21
9
31
13
17
29
2
4
46
132
38
Highest AQI recorded in
January99AQI
Lowest AQI recorded in
July45AQI
202457AQI
14
3
1
1
5
7
27
3
24
7
21
8
2
1
13
14
16
26
5
106
82
9
1
Highest AQI recorded in
April172AQI
Lowest AQI recorded in
October31AQI
2023140AQI
6
11
9
5
1
4
20
2
1
22
8
1
5
17
2
2
1
8
16
6
2
20
6
1
2
4
1
1
3
1
1
3
12
19
5
51
67
77
18
5
Highest AQI recorded in
March196AQI
Lowest AQI recorded in
June80AQI
2022145AQI
1
1
2
13
8
1
4
5
2
3
17
14
3
Highest AQI recorded in
October180AQI
Lowest AQI recorded in
November134AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2022(Avg.)
145AQILeast Polluted Year Recorded
2024(Avg.)
57AQILaos 4 PurpleAir's annual 2025 AQI (76) shows an average percentage change of -19.8% (improved AQI) compared to previous years: 2022 (145), 2023 (140), 2024 (57).
