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+
September Air Quality Analysis
Phonsavan, Xiangkhouang, Laos
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
12th Sep 2026
66AQILowest AQI recorded on
26th Sep 2025
20AQISame Day Analysis (27th September):
On this day, AQI across the 3 years varied significantly: 2026 ranks 1st highest AQI at 33 of Good air quality on the same day.
Day & Night AQI Trend: 27th Sep - 28th Sep 2026
Phonsavan, Xiangkhouang, Laos
AQI
Day
Night
.
5 AM27th Sep 2026
6 PM
4 AM28th Sep 2026
Day time
Avg. Highest Time
12PM27th Sep
55AQI
Avg. Lowest Time
4PM27th Sep
17AQI
Night time
Avg. Highest Time
7PM27th Sep
53AQI
Avg. Lowest Time
1AM28th Sep
14AQI
In the last 24 hours,
Phonsavan's AQI reached its highest point of 55 at 12 PM during the Day, while the lowest point, 14, was recorded at 1 AM during the Night between 27th Sep and 28th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Phonsavan, Xiangkhouang, Laos
AugSep
30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th
Day
Night
30th Aug 2026235 AMAQI
30th Aug 2026366 AMAQI
30th Aug 2026557 AMAQI
30th Aug 2026388 AMAQI
30th Aug 2026349 AMAQI
30th Aug 20264210 AMAQI
30th Aug 20264211 AMAQI
30th Aug 20264212 PMAQI
30th Aug 2026311 PMAQI
30th Aug 2026272 PMAQI
30th Aug 2026213 PMAQI
30th Aug 2026254 PMAQI
30th Aug 2026255 PMAQI
30th Aug 2026426 PMAQI
30th Aug 2026467 PMAQI
30th Aug 2026488 PMAQI
30th Aug 2026389 PMAQI
30th Aug 20263310 PMAQI
30th Aug 20265211 PMAQI
31st Aug 20263312 AMAQI
31st Aug 2026361 AMAQI
31st Aug 2026362 AMAQI
31st Aug 2026313 AMAQI
31st Aug 2026384 AMAQI
19°C17/20°C
31st Aug 2026335 AMAQI
31st Aug 2026546 AMAQI
31st Aug 2026657 AMAQI
31st Aug 2026668 AMAQI
31st Aug 2026569 AMAQI
31st Aug 20264510 AMAQI
31st Aug 20263811 AMAQI
31st Aug 20263612 PMAQI
31st Aug 2026361 PMAQI
31st Aug 2026312 PMAQI
31st Aug 2026253 PMAQI
31st Aug 2026334 PMAQI
31st Aug 2026315 PMAQI
31st Aug 2026476 PMAQI
31st Aug 2026407 PMAQI
31st Aug 2026368 PMAQI
31st Aug 2026379 PMAQI
31st Aug 20264210 PMAQI
31st Aug 20264611 PMAQI
1st Sep 20264612 AMAQI
1st Sep 2026361 AMAQI
1st Sep 2026382 AMAQI
1st Sep 2026523 AMAQI
1st Sep 2026254 AMAQI
20°C16/26°C
1st Sep 2026365 AMAQI
1st Sep 2026276 AMAQI
1st Sep 2026467 AMAQI
1st Sep 2026688 AMAQI
1st Sep 2026569 AMAQI
1st Sep 20264910 AMAQI
1st Sep 20264811 AMAQI
1st Sep 20264812 PMAQI
1st Sep 2026571 PMAQI
1st Sep 2026422 PMAQI
1st Sep 2026363 PMAQI
1st Sep 2026384 PMAQI
1st Sep 2026275 PMAQI
1st Sep 2026646 PMAQI
1st Sep 2026627 PMAQI
1st Sep 2026408 PMAQI
1st Sep 2026509 PMAQI
1st Sep 20264410 PMAQI
1st Sep 20264211 PMAQI
2nd Sep 20263112 AMAQI
2nd Sep 2026231 AMAQI
2nd Sep 2026232 AMAQI
2nd Sep 2026253 AMAQI
2nd Sep 2026214 AMAQI
20°C17/25°C
2nd Sep 2026255 AMAQI
2nd Sep 2026316 AMAQI
2nd Sep 2026387 AMAQI
2nd Sep 2026448 AMAQI
2nd Sep 2026579 AMAQI
2nd Sep 20264810 AMAQI
2nd Sep 20263311 AMAQI
2nd Sep 20262912 PMAQI
2nd Sep 2026331 PMAQI
2nd Sep 2026442 PMAQI
2nd Sep 2026403 PMAQI
2nd Sep 2026464 PMAQI
2nd Sep 2026565 PMAQI
2nd Sep 2026496 PMAQI
2nd Sep 2026547 PMAQI
2nd Sep 2026678 PMAQI
2nd Sep 2026769 PMAQI
2nd Sep 20266610 PMAQI
2nd Sep 20266611 PMAQI
3rd Sep 20266412 AMAQI
3rd Sep 2026571 AMAQI
3rd Sep 2026532 AMAQI
3rd Sep 2026463 AMAQI
3rd Sep 2026424 AMAQI
21°C17/29°C
3rd Sep 2026465 AMAQI
3rd Sep 2026486 AMAQI
3rd Sep 2026577 AMAQI
3rd Sep 2026508 AMAQI
3rd Sep 2026449 AMAQI
3rd Sep 20264610 AMAQI
3rd Sep 20265011 AMAQI
3rd Sep 20264812 PMAQI
3rd Sep 2026461 PMAQI
3rd Sep 2026552 PMAQI
3rd Sep 2026553 PMAQI
3rd Sep 2026664 PMAQI
3rd Sep 2026655 PMAQI
3rd Sep 2026576 PMAQI
3rd Sep 2026597 PMAQI
3rd Sep 2026558 PMAQI
3rd Sep 2026569 PMAQI
3rd Sep 20265510 PMAQI
3rd Sep 20265211 PMAQI
4th Sep 20265512 AMAQI
4th Sep 2026531 AMAQI
4th Sep 2026522 AMAQI
4th Sep 2026523 AMAQI
4th Sep 2026564 AMAQI
21°C17/28°C
4th Sep 2026585 AMAQI
4th Sep 2026606 AMAQI
4th Sep 2026677 AMAQI
4th Sep 2026628 AMAQI
4th Sep 2026689 AMAQI
4th Sep 20265910 AMAQI
4th Sep 20266411 AMAQI
4th Sep 20265412 PMAQI
4th Sep 2026541 PMAQI
4th Sep 2026542 PMAQI
4th Sep 2026653 PMAQI
4th Sep 2026674 PMAQI
4th Sep 2026645 PMAQI
4th Sep 2026566 PMAQI
4th Sep 2026557 PMAQI
4th Sep 2026578 PMAQI
4th Sep 2026629 PMAQI
4th Sep 20264610 PMAQI
4th Sep 20265011 PMAQI
5th Sep 20264412 AMAQI
5th Sep 2026551 AMAQI
5th Sep 2026532 AMAQI
5th Sep 2026513 AMAQI
5th Sep 2026384 AMAQI
20°C17/27°C
5th Sep 2026365 AMAQI
5th Sep 2026406 AMAQI
5th Sep 2026447 AMAQI
5th Sep 2026528 AMAQI
5th Sep 2026449 AMAQI
5th Sep 20263610 AMAQI
5th Sep 20264011 AMAQI
5th Sep 20263812 PMAQI
5th Sep 2026421 PMAQI
5th Sep 2026422 PMAQI
5th Sep 2026543 PMAQI
5th Sep 2026484 PMAQI
5th Sep 2026565 PMAQI
5th Sep 2026526 PMAQI
5th Sep 2026627 PMAQI
5th Sep 2026548 PMAQI
5th Sep 2026659 PMAQI
5th Sep 20266410 PMAQI
5th Sep 20267111 PMAQI
6th Sep 20265812 AMAQI
6th Sep 2026521 AMAQI
6th Sep 2026382 AMAQI
6th Sep 2026333 AMAQI
6th Sep 2026274 AMAQI
20°C17/26°C
6th Sep 2026275 AMAQI
6th Sep 2026236 AMAQI
6th Sep 2026237 AMAQI
6th Sep 2026428 AMAQI
6th Sep 2026449 AMAQI
6th Sep 20264910 AMAQI
6th Sep 20265411 AMAQI
6th Sep 20265212 PMAQI
6th Sep 2026361 PMAQI
6th Sep 2026312 PMAQI
6th Sep 2026443 PMAQI
6th Sep 2026334 PMAQI
6th Sep 2026515 PMAQI
6th Sep 2026386 PMAQI
6th Sep 2026537 PMAQI
6th Sep 2026468 PMAQI
6th Sep 2026489 PMAQI
6th Sep 20265310 PMAQI
6th Sep 20263111 PMAQI
7th Sep 20262912 AMAQI
7th Sep 2026271 AMAQI
7th Sep 2026252 AMAQI
7th Sep 2026213 AMAQI
7th Sep 2026254 AMAQI
20°C17/25°C
7th Sep 2026235 AMAQI
7th Sep 2026316 AMAQI
7th Sep 2026297 AMAQI
7th Sep 2026238 AMAQI
7th Sep 2026369 AMAQI
7th Sep 20262310 AMAQI
7th Sep 20262911 AMAQI
7th Sep 20265212 PMAQI
7th Sep 2026251 PMAQI
7th Sep 2026382 PMAQI
7th Sep 2026213 PMAQI
7th Sep 2026444 PMAQI
7th Sep 2026235 PMAQI
7th Sep 2026236 PMAQI
7th Sep 2026257 PMAQI
7th Sep 2026368 PMAQI
7th Sep 2026409 PMAQI
7th Sep 20264010 PMAQI
7th Sep 20262911 PMAQI
8th Sep 20262912 AMAQI
8th Sep 2026331 AMAQI
8th Sep 2026312 AMAQI
8th Sep 2026313 AMAQI
8th Sep 2026294 AMAQI
20°C18/24°C
8th Sep 2026365 AMAQI
8th Sep 2026386 AMAQI
8th Sep 2026557 AMAQI
8th Sep 2026668 AMAQI
8th Sep 2026549 AMAQI
8th Sep 20265010 AMAQI
8th Sep 20264611 AMAQI
8th Sep 20262912 PMAQI
8th Sep 2026311 PMAQI
8th Sep 2026252 PMAQI
8th Sep 2026273 PMAQI
8th Sep 2026274 PMAQI
8th Sep 2026335 PMAQI
8th Sep 2026366 PMAQI
8th Sep 2026337 PMAQI
8th Sep 2026388 PMAQI
8th Sep 2026449 PMAQI
8th Sep 20262910 PMAQI
8th Sep 20262911 PMAQI
9th Sep 20263312 AMAQI
9th Sep 2026361 AMAQI
9th Sep 2026292 AMAQI
9th Sep 2026293 AMAQI
9th Sep 2026254 AMAQI
21°C17/27°C
9th Sep 2026295 AMAQI
9th Sep 2026456 AMAQI
9th Sep 2026317 AMAQI
9th Sep 2026548 AMAQI
9th Sep 2026239 AMAQI
9th Sep 20262110 AMAQI
9th Sep 20262911 AMAQI
9th Sep 20262512 PMAQI
9th Sep 2026321 PMAQI
9th Sep 2026682 PMAQI
9th Sep 2026253 PMAQI
9th Sep 2026234 PMAQI
9th Sep 2026295 PMAQI
9th Sep 2026216 PMAQI
9th Sep 2026407 PMAQI
9th Sep 2026258 PMAQI
9th Sep 2026319 PMAQI
9th Sep 20262510 PMAQI
9th Sep 20262711 PMAQI
10th Sep 20262912 AMAQI
10th Sep 2026211 AMAQI
10th Sep 2026212 AMAQI
10th Sep 2026233 AMAQI
10th Sep 2026214 AMAQI
21°C18/28°C
10th Sep 2026215 AMAQI
10th Sep 2026216 AMAQI
10th Sep 2026237 AMAQI
10th Sep 2026318 AMAQI
10th Sep 2026239 AMAQI
10th Sep 20262310 AMAQI
10th Sep 20262511 AMAQI
10th Sep 20264012 PMAQI
10th Sep 2026521 PMAQI
10th Sep 2026572 PMAQI
10th Sep 2026623 PMAQI
10th Sep 2026594 PMAQI
10th Sep 2026575 PMAQI
10th Sep 2026556 PMAQI
10th Sep 2026557 PMAQI
10th Sep 2026548 PMAQI
10th Sep 2026559 PMAQI
10th Sep 20265610 PMAQI
10th Sep 20266211 PMAQI
11th Sep 20266312 AMAQI
11th Sep 2026591 AMAQI
11th Sep 2026602 AMAQI
11th Sep 2026633 AMAQI
11th Sep 2026624 AMAQI
21°C16/27°C
11th Sep 2026625 AMAQI
11th Sep 2026686 AMAQI
11th Sep 2026727 AMAQI
11th Sep 2026698 AMAQI
11th Sep 2026589 AMAQI
11th Sep 20265610 AMAQI
11th Sep 20265311 AMAQI
11th Sep 20265412 PMAQI
11th Sep 2026551 PMAQI
11th Sep 2026482 PMAQI
11th Sep 2026483 PMAQI
11th Sep 2026464 PMAQI
11th Sep 2026505 PMAQI
11th Sep 2026486 PMAQI
11th Sep 2026547 PMAQI
11th Sep 2026588 PMAQI
11th Sep 2026579 PMAQI
11th Sep 20266810 PMAQI
11th Sep 20267011 PMAQI
12th Sep 20267212 AMAQI
12th Sep 2026721 AMAQI
12th Sep 2026762 AMAQI
12th Sep 2026743 AMAQI
12th Sep 2026744 AMAQI
19°C16/25°C
12th Sep 2026625 AMAQI
12th Sep 2026686 AMAQI
12th Sep 2026807 AMAQI
12th Sep 2026788 AMAQI
12th Sep 2026769 AMAQI
12th Sep 20267010 AMAQI
12th Sep 20266911 AMAQI
12th Sep 20266512 PMAQI
12th Sep 2026621 PMAQI
12th Sep 2026602 PMAQI
12th Sep 2026593 PMAQI
12th Sep 2026604 PMAQI
12th Sep 2026555 PMAQI
12th Sep 2026516 PMAQI
12th Sep 2026507 PMAQI
12th Sep 2026678 PMAQI
12th Sep 2026559 PMAQI
12th Sep 20266510 PMAQI
12th Sep 20266811 PMAQI
13th Sep 20266412 AMAQI
13th Sep 2026661 AMAQI
13th Sep 2026692 AMAQI
13th Sep 2026634 AMAQI
20°C15/26°C
13th Sep 2026595 AMAQI
13th Sep 2026666 AMAQI
13th Sep 2026767 AMAQI
13th Sep 2026738 AMAQI
13th Sep 2026709 AMAQI
13th Sep 20267010 AMAQI
13th Sep 20266011 AMAQI
13th Sep 20265912 PMAQI
13th Sep 2026581 PMAQI
13th Sep 2026562 PMAQI
13th Sep 2026523 PMAQI
13th Sep 2026544 PMAQI
13th Sep 2026575 PMAQI
13th Sep 2026626 PMAQI
13th Sep 2026747 PMAQI
13th Sep 2026728 PMAQI
13th Sep 2026769 PMAQI
13th Sep 20266610 PMAQI
13th Sep 20266511 PMAQI
14th Sep 20266012 AMAQI
14th Sep 2026671 AMAQI
14th Sep 2026652 AMAQI
14th Sep 2026573 AMAQI
14th Sep 2026634 AMAQI
20°C15/26°C
14th Sep 2026665 AMAQI
14th Sep 2026696 AMAQI
14th Sep 2026787 AMAQI
14th Sep 2026768 AMAQI
14th Sep 2026739 AMAQI
14th Sep 20266310 AMAQI
14th Sep 20266211 AMAQI
14th Sep 20265812 PMAQI
14th Sep 2026531 PMAQI
14th Sep 2026552 PMAQI
14th Sep 2026543 PMAQI
14th Sep 2026524 PMAQI
14th Sep 2026505 PMAQI
14th Sep 2026446 PMAQI
14th Sep 2026387 PMAQI
14th Sep 2026318 PMAQI
14th Sep 2026369 PMAQI
14th Sep 20263110 PMAQI
14th Sep 20262111 PMAQI
15th Sep 20262512 AMAQI
15th Sep 2026251 AMAQI
15th Sep 2026252 AMAQI
15th Sep 2026293 AMAQI
15th Sep 2026254 AMAQI
18°C18/20°C
15th Sep 2026255 AMAQI
15th Sep 2026296 AMAQI
15th Sep 2026507 AMAQI
15th Sep 2026388 AMAQI
15th Sep 2026599 AMAQI
15th Sep 20262110 AMAQI
15th Sep 20262111 AMAQI
15th Sep 20261412 PMAQI
15th Sep 2026121 PMAQI
15th Sep 2026142 PMAQI
15th Sep 2026193 PMAQI
15th Sep 2026234 PMAQI
15th Sep 2026235 PMAQI
15th Sep 2026306 PMAQI
15th Sep 2026237 PMAQI
15th Sep 2026258 PMAQI
15th Sep 2026239 PMAQI
15th Sep 20261910 PMAQI
15th Sep 20261711 PMAQI
16th Sep 20261212 AMAQI
16th Sep 2026121 AMAQI
16th Sep 2026122 AMAQI
16th Sep 2026123 AMAQI
16th Sep 2026124 AMAQI
18°C17/19°C
16th Sep 2026195 AMAQI
16th Sep 2026196 AMAQI
16th Sep 2026237 AMAQI
16th Sep 2026278 AMAQI
16th Sep 2026259 AMAQI
16th Sep 20263110 AMAQI
16th Sep 20262111 AMAQI
16th Sep 20262112 PMAQI
16th Sep 2026211 PMAQI
16th Sep 2026212 PMAQI
16th Sep 2026213 PMAQI
16th Sep 2026194 PMAQI
16th Sep 2026215 PMAQI
16th Sep 2026216 PMAQI
16th Sep 2026387 PMAQI
16th Sep 2026298 PMAQI
16th Sep 2026219 PMAQI
16th Sep 20262910 PMAQI
16th Sep 20262111 PMAQI
17th Sep 20262312 AMAQI
17th Sep 2026121 AMAQI
17th Sep 2026142 AMAQI
17th Sep 2026213 AMAQI
17th Sep 2026234 AMAQI
19°C18/23°C
17th Sep 2026215 AMAQI
17th Sep 2026216 AMAQI
17th Sep 2026367 AMAQI
17th Sep 2026238 AMAQI
17th Sep 2026489 AMAQI
17th Sep 20262310 AMAQI
17th Sep 20261411 AMAQI
17th Sep 20262712 PMAQI
17th Sep 2026231 PMAQI
17th Sep 2026102 PMAQI
17th Sep 2026233 PMAQI
17th Sep 2026184 PMAQI
17th Sep 2026145 PMAQI
17th Sep 2026216 PMAQI
17th Sep 2026297 PMAQI
17th Sep 2026258 PMAQI
17th Sep 2026259 PMAQI
17th Sep 20262910 PMAQI
17th Sep 20262311 PMAQI
18th Sep 20263312 AMAQI
18th Sep 2026211 AMAQI
18th Sep 2026212 AMAQI
18th Sep 2026293 AMAQI
18th Sep 2026254 AMAQI
19°C18/23°C
18th Sep 2026365 AMAQI
18th Sep 2026336 AMAQI
18th Sep 2026517 AMAQI
18th Sep 2026558 AMAQI
18th Sep 2026299 AMAQI
18th Sep 20262110 AMAQI
18th Sep 20261711 AMAQI
18th Sep 20261412 PMAQI
18th Sep 2026121 PMAQI
18th Sep 2026192 PMAQI
18th Sep 2026213 PMAQI
18th Sep 2026514 PMAQI
18th Sep 2026295 PMAQI
18th Sep 2026446 PMAQI
18th Sep 2026257 PMAQI
18th Sep 2026308 PMAQI
18th Sep 2026239 PMAQI
18th Sep 20262110 PMAQI
18th Sep 20262311 PMAQI
19th Sep 20262512 AMAQI
19th Sep 2026271 AMAQI
19th Sep 2026272 AMAQI
19th Sep 2026293 AMAQI
19th Sep 2026294 AMAQI
19°C18/22°C
19th Sep 2026255 AMAQI
19th Sep 2026426 AMAQI
19th Sep 2026557 AMAQI
19th Sep 2026788 AMAQI
19th Sep 2026489 AMAQI
19th Sep 20263610 AMAQI
19th Sep 20262711 AMAQI
19th Sep 20262112 PMAQI
19th Sep 2026251 PMAQI
19th Sep 2026252 PMAQI
19th Sep 2026253 PMAQI
19th Sep 2026254 PMAQI
19th Sep 2026215 PMAQI
19th Sep 2026196 PMAQI
19th Sep 2026297 PMAQI
19th Sep 2026278 PMAQI
19th Sep 2026319 PMAQI
19th Sep 20262910 PMAQI
19th Sep 20264011 PMAQI
20th Sep 20262712 AMAQI
20th Sep 2026381 AMAQI
20th Sep 2026292 AMAQI
20th Sep 2026383 AMAQI
20th Sep 2026314 AMAQI
20°C17/26°C
20th Sep 2026365 AMAQI
20th Sep 2026506 AMAQI
20th Sep 2026657 AMAQI
20th Sep 2026648 AMAQI
20th Sep 2026569 AMAQI
20th Sep 20265510 AMAQI
20th Sep 20263811 AMAQI
20th Sep 20264812 PMAQI
20th Sep 2026301 PMAQI
20th Sep 2026232 PMAQI
20th Sep 2026583 PMAQI
20th Sep 2026624 PMAQI
20th Sep 2026305 PMAQI
20th Sep 2026236 PMAQI
20th Sep 2026337 PMAQI
20th Sep 2026258 PMAQI
20th Sep 2026259 PMAQI
20th Sep 20262110 PMAQI
20th Sep 20262111 PMAQI
21st Sep 20263112 AMAQI
21st Sep 2026251 AMAQI
21st Sep 2026212 AMAQI
21st Sep 2026213 AMAQI
21st Sep 2026214 AMAQI
21°C17/27°C
21st Sep 2026275 AMAQI
21st Sep 2026256 AMAQI
21st Sep 2026507 AMAQI
21st Sep 2026368 AMAQI
21st Sep 2026279 AMAQI
21st Sep 20262510 AMAQI
21st Sep 20263311 AMAQI
21st Sep 20263612 PMAQI
21st Sep 2026521 PMAQI
21st Sep 2026402 PMAQI
21st Sep 2026463 PMAQI
21st Sep 2026464 PMAQI
21st Sep 2026425 PMAQI
21st Sep 2026526 PMAQI
21st Sep 2026527 PMAQI
21st Sep 2026608 PMAQI
21st Sep 2026629 PMAQI
21st Sep 20267110 PMAQI
21st Sep 20268211 PMAQI
22nd Sep 20266312 AMAQI
22nd Sep 2026591 AMAQI
22nd Sep 2026552 AMAQI
22nd Sep 2026553 AMAQI
22nd Sep 2026534 AMAQI
21°C16/29°C
22nd Sep 2026525 AMAQI
22nd Sep 2026556 AMAQI
22nd Sep 2026647 AMAQI
22nd Sep 2026668 AMAQI
22nd Sep 2026509 AMAQI
22nd Sep 20264210 AMAQI
22nd Sep 20264611 AMAQI
22nd Sep 20264012 PMAQI
22nd Sep 2026381 PMAQI
22nd Sep 2026462 PMAQI
22nd Sep 2026363 PMAQI
22nd Sep 2026364 PMAQI
22nd Sep 2026405 PMAQI
22nd Sep 2026506 PMAQI
22nd Sep 2026517 PMAQI
22nd Sep 2026728 PMAQI
22nd Sep 2026689 PMAQI
22nd Sep 20267010 PMAQI
22nd Sep 20266811 PMAQI
23rd Sep 20266412 AMAQI
23rd Sep 2026641 AMAQI
23rd Sep 2026652 AMAQI
23rd Sep 2026643 AMAQI
23rd Sep 2026624 AMAQI
21°C15/29°C
23rd Sep 2026645 AMAQI
23rd Sep 2026626 AMAQI
23rd Sep 2026677 AMAQI
23rd Sep 2026608 AMAQI
23rd Sep 2026629 AMAQI
23rd Sep 20265610 AMAQI
23rd Sep 20265711 AMAQI
23rd Sep 20265912 PMAQI
23rd Sep 2026601 PMAQI
23rd Sep 2026622 PMAQI
23rd Sep 2026543 PMAQI
23rd Sep 2026504 PMAQI
23rd Sep 2026425 PMAQI
23rd Sep 2026466 PMAQI
23rd Sep 2026547 PMAQI
23rd Sep 2026588 PMAQI
23rd Sep 2026549 PMAQI
23rd Sep 20265510 PMAQI
23rd Sep 20265011 PMAQI
24th Sep 20265912 AMAQI
24th Sep 2026561 AMAQI
24th Sep 2026502 AMAQI
24th Sep 2026493 AMAQI
24th Sep 2026484 AMAQI
21°C16/29°C
24th Sep 2026425 AMAQI
24th Sep 2026316 AMAQI
24th Sep 2026367 AMAQI
24th Sep 2026428 AMAQI
24th Sep 2026389 AMAQI
24th Sep 20265410 AMAQI
24th Sep 20263111 AMAQI
24th Sep 20262512 PMAQI
24th Sep 2026211 PMAQI
24th Sep 2026232 PMAQI
24th Sep 2026273 PMAQI
24th Sep 2026254 PMAQI
24th Sep 2026235 PMAQI
24th Sep 2026276 PMAQI
24th Sep 2026277 PMAQI
24th Sep 2026428 PMAQI
24th Sep 2026299 PMAQI
24th Sep 20264610 PMAQI
24th Sep 20263311 PMAQI
25th Sep 20262912 AMAQI
25th Sep 2026211 AMAQI
25th Sep 2026212 AMAQI
25th Sep 2026233 AMAQI
25th Sep 2026254 AMAQI
21°C17/29°C
25th Sep 2026275 AMAQI
25th Sep 2026386 AMAQI
25th Sep 2026467 AMAQI
25th Sep 2026298 AMAQI
25th Sep 2026279 AMAQI
25th Sep 20262110 AMAQI
25th Sep 20263611 AMAQI
25th Sep 20262512 PMAQI
25th Sep 2026251 PMAQI
25th Sep 2026252 PMAQI
25th Sep 2026213 PMAQI
25th Sep 2026254 PMAQI
25th Sep 2026235 PMAQI
25th Sep 2026256 PMAQI
25th Sep 2026217 PMAQI
25th Sep 2026328 PMAQI
25th Sep 2026389 PMAQI
25th Sep 20263110 PMAQI
25th Sep 20263611 PMAQI
26th Sep 20262512 AMAQI
26th Sep 2026251 AMAQI
26th Sep 2026212 AMAQI
26th Sep 2026293 AMAQI
26th Sep 2026254 AMAQI
21°C17/27°C
26th Sep 2026275 AMAQI
26th Sep 2026536 AMAQI
26th Sep 2026527 AMAQI
26th Sep 2026768 AMAQI
26th Sep 2026449 AMAQI
26th Sep 20262510 AMAQI
26th Sep 20262311 AMAQI
26th Sep 20263412 PMAQI
26th Sep 2026291 PMAQI
26th Sep 2026142 PMAQI
26th Sep 2026233 PMAQI
26th Sep 2026254 PMAQI
26th Sep 2026175 PMAQI
26th Sep 2026296 PMAQI
26th Sep 2026337 PMAQI
26th Sep 2026588 PMAQI
26th Sep 2026549 PMAQI
26th Sep 20263110 PMAQI
26th Sep 20262911 PMAQI
27th Sep 20262112 AMAQI
27th Sep 2026211 AMAQI
27th Sep 2026442 AMAQI
27th Sep 2026293 AMAQI
27th Sep 2026364 AMAQI
20°C17/25°C
27th Sep 2026405 AMAQI
27th Sep 2026406 AMAQI
27th Sep 2026547 AMAQI
27th Sep 2026518 AMAQI
27th Sep 2026339 AMAQI
27th Sep 20264210 AMAQI
27th Sep 20263211 AMAQI
27th Sep 20265512 PMAQI
27th Sep 2026231 PMAQI
27th Sep 2026192 PMAQI
27th Sep 2026213 PMAQI
27th Sep 2026174 PMAQI
27th Sep 2026255 PMAQI
27th Sep 2026316 PMAQI
27th Sep 2026537 PMAQI
27th Sep 2026498 PMAQI
27th Sep 2026259 PMAQI
27th Sep 20261910 PMAQI
27th Sep 20261911 PMAQI
28th Sep 20262512 AMAQI
28th Sep 2026141 AMAQI
28th Sep 2026212 AMAQI
28th Sep 2026213 AMAQI
28th Sep 2026234 AMAQI
20°C17/28°C
28th Sep 2026335 AMAQI
5 AM28th Sep 2026296 AMAQI
28th Sep 2026517 AMAQI
28th Sep 2026528 AMAQI
28th Sep 2026609 AMAQI
28th Sep 20263110 AMAQI
28th Sep 20263311 AMAQI
11 AM28th Sep 20264912 PMAQI
28th Sep 2026121 PMAQI
28th Sep 2026192 PMAQI
28th Sep 2026403 PMAQI
28th Sep 2026254 PMAQI
28th Sep 2026255 PMAQI
28th Sep 2026316 PMAQI
6 PM28th Sep 2026327 PMAQI
28th Sep 2026238 PMAQI
28th Sep 2026199 PMAQI
28th Sep 20262710 PMAQI
28th Sep 20261711 PMAQI
11 PM4 AM
20°C18/27°C
Day time
Avg. Highest Time
8 AM
53AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
1 PM - 3 PM
36AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 8 AM (Avg. 53), while the lowest AQI was between 1 PM to 3 PM (Avg. 36).
Night time
Avg. Highest Time
8 PM - 11 PM
44AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
1 AM - 4 AM
37AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 11 PM (Avg. 44), while the lowest AQI was between 1 AM to 4 AM (Avg. 37).
2026 Days Vs Air Quality
Phonsavan, Xiangkhouang, Laos
2026
42%
111
38%
102
13%
34
7%
20
Total number of days with different AQI categories in last 271 days in 2026 (94 days remaining)
Good
111 DaysModerate
102 DaysPoor
34 DaysUnhealthy
20 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 42%
Health Risk Level:
Significant
In 2026, 42% of 271 days were within WHO’s safe air quality limits, and 58% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Phonsavan, Xiangkhouang, 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
92AQI (US)
92AQI (US)
2nd January 2026
79AQI (US)
79AQI (US)
3rd January 2026
61AQI (US)
61AQI (US)
4th January 2026
64AQI (US)
64AQI (US)
5th January 2026
74AQI (US)
74AQI (US)
6th January 2026
69AQI (US)
69AQI (US)
7th January 2026
53AQI (US)
53AQI (US)
8th January 2026
63AQI (US)
63AQI (US)
9th January 2026
81AQI (US)
81AQI (US)
10th January 2026
86AQI (US)
86AQI (US)
11th January 2026
88AQI (US)
88AQI (US)
12th January 2026
101AQI (US)
101AQI (US)
13th January 2026
99AQI (US)
99AQI (US)
14th January 2026
116AQI (US)
116AQI (US)
15th January 2026
108AQI (US)
108AQI (US)
16th January 2026
99AQI (US)
99AQI (US)
17th January 2026
105AQI (US)
105AQI (US)
18th January 2026
94AQI (US)
94AQI (US)
19th January 2026
91AQI (US)
91AQI (US)
20th January 2026
90AQI (US)
90AQI (US)
21st January 2026
90AQI (US)
90AQI (US)
22nd January 2026
73AQI (US)
73AQI (US)
23rd January 2026
64AQI (US)
64AQI (US)
24th January 2026
72AQI (US)
72AQI (US)
25th January 2026
80AQI (US)
80AQI (US)
26th January 2026
93AQI (US)
93AQI (US)
27th January 2026
93AQI (US)
93AQI (US)
28th January 2026
88AQI (US)
88AQI (US)
29th January 2026
96AQI (US)
96AQI (US)
30th January 2026
101AQI (US)
101AQI (US)
31st January 2026
106AQI (US)
106AQI (US)
1st February 2026
88AQI (US)
88AQI (US)
2nd February 2026
74AQI (US)
74AQI (US)
3rd February 2026
61AQI (US)
61AQI (US)
4th February 2026
86AQI (US)
86AQI (US)
5th February 2026
96AQI (US)
96AQI (US)
6th February 2026
107AQI (US)
107AQI (US)
7th February 2026
104AQI (US)
104AQI (US)
8th February 2026
84AQI (US)
84AQI (US)
9th February 2026
50AQI (US)
50AQI (US)
10th February 2026
78AQI (US)
78AQI (US)
11th February 2026
98AQI (US)
98AQI (US)
12th February 2026
96AQI (US)
96AQI (US)
13th February 2026
97AQI (US)
97AQI (US)
14th February 2026
100AQI (US)
100AQI (US)
15th February 2026
102AQI (US)
102AQI (US)
16th February 2026
115AQI (US)
115AQI (US)
17th February 2026
101AQI (US)
101AQI (US)
18th February 2026
72AQI (US)
72AQI (US)
19th February 2026
61AQI (US)
61AQI (US)
20th February 2026
61AQI (US)
61AQI (US)
21st February 2026
82AQI (US)
82AQI (US)
22nd February 2026
120AQI (US)
120AQI (US)
23rd February 2026
127AQI (US)
127AQI (US)
24th February 2026
112AQI (US)
112AQI (US)
25th February 2026
81AQI (US)
81AQI (US)
26th February 2026
61AQI (US)
61AQI (US)
27th February 2026
67AQI (US)
67AQI (US)
28th February 2026
74AQI (US)
74AQI (US)
1st March 2026
88AQI (US)
88AQI (US)
2nd March 2026
109AQI (US)
109AQI (US)
3rd March 2026
133AQI (US)
133AQI (US)
4th March 2026
143AQI (US)
143AQI (US)
5th March 2026
121AQI (US)
121AQI (US)
6th March 2026
71AQI (US)
71AQI (US)
7th March 2026
73AQI (US)
73AQI (US)
8th March 2026
84AQI (US)
84AQI (US)
9th March 2026
86AQI (US)
86AQI (US)
10th March 2026
51AQI (US)
51AQI (US)
11th March 2026
80AQI (US)
80AQI (US)
12th March 2026
81AQI (US)
81AQI (US)
13th March 2026
80AQI (US)
80AQI (US)
14th March 2026
82AQI (US)
82AQI (US)
15th March 2026
74AQI (US)
74AQI (US)
16th March 2026
76AQI (US)
76AQI (US)
17th March 2026
91AQI (US)
91AQI (US)
18th March 2026
105AQI (US)
105AQI (US)
19th March 2026
123AQI (US)
123AQI (US)
20th March 2026
131AQI (US)
131AQI (US)
21st March 2026
128AQI (US)
128AQI (US)
22nd March 2026
126AQI (US)
126AQI (US)
23rd March 2026
124AQI (US)
124AQI (US)
24th March 2026
144AQI (US)
144AQI (US)
25th March 2026
153AQI (US)
153AQI (US)
26th March 2026
142AQI (US)
142AQI (US)
27th March 2026
155AQI (US)
155AQI (US)
28th March 2026
146AQI (US)
146AQI (US)
29th March 2026
126AQI (US)
126AQI (US)
30th March 2026
153AQI (US)
153AQI (US)
31st March 2026
160AQI (US)
160AQI (US)
1st April 2026
175AQI (US)
175AQI (US)
2nd April 2026
179AQI (US)
179AQI (US)
3rd April 2026
176AQI (US)
176AQI (US)
4th April 2026
168AQI (US)
168AQI (US)
5th April 2026
169AQI (US)
169AQI (US)
6th April 2026
171AQI (US)
171AQI (US)
7th April 2026
176AQI (US)
176AQI (US)
8th April 2026
173AQI (US)
173AQI (US)
9th April 2026
170AQI (US)
170AQI (US)
10th April 2026
169AQI (US)
169AQI (US)
11th April 2026
158AQI (US)
158AQI (US)
12th April 2026
166AQI (US)
166AQI (US)
13th April 2026
167AQI (US)
167AQI (US)
14th April 2026
169AQI (US)
169AQI (US)
15th April 2026
170AQI (US)
170AQI (US)
16th April 2026
171AQI (US)
171AQI (US)
17th April 2026
18th April 2026
134AQI (US)
134AQI (US)
19th April 2026
150AQI (US)
150AQI (US)
20th April 2026
137AQI (US)
137AQI (US)
21st April 2026
147AQI (US)
147AQI (US)
22nd April 2026
23rd April 2026
148AQI (US)
148AQI (US)
24th April 2026
83AQI (US)
83AQI (US)
25th April 2026
81AQI (US)
81AQI (US)
26th April 2026
83AQI (US)
83AQI (US)
27th April 2026
104AQI (US)
104AQI (US)
28th April 2026
82AQI (US)
82AQI (US)
29th April 2026
70AQI (US)
70AQI (US)
30th April 2026
71AQI (US)
71AQI (US)
1st May 2026
71AQI (US)
71AQI (US)
2nd May 2026
82AQI (US)
82AQI (US)
3rd May 2026
95AQI (US)
95AQI (US)
4th May 2026
62AQI (US)
62AQI (US)
5th May 2026
60AQI (US)
60AQI (US)
6th May 2026
74AQI (US)
74AQI (US)
7th May 2026
84AQI (US)
84AQI (US)
8th May 2026
47AQI (US)
47AQI (US)
9th May 2026
10th May 2026
39AQI (US)
39AQI (US)
11th May 2026
72AQI (US)
72AQI (US)
12th May 2026
80AQI (US)
80AQI (US)
13th May 2026
64AQI (US)
64AQI (US)
14th May 2026
58AQI (US)
58AQI (US)
15th May 2026
39AQI (US)
39AQI (US)
16th May 2026
91AQI (US)
91AQI (US)
17th May 2026
91AQI (US)
91AQI (US)
18th May 2026
77AQI (US)
77AQI (US)
19th May 2026
61AQI (US)
61AQI (US)
20th May 2026
75AQI (US)
75AQI (US)
21st May 2026
80AQI (US)
80AQI (US)
22nd May 2026
75AQI (US)
75AQI (US)
23rd May 2026
50AQI (US)
50AQI (US)
24th May 2026
60AQI (US)
60AQI (US)
25th May 2026
61AQI (US)
61AQI (US)
26th May 2026
51AQI (US)
51AQI (US)
27th May 2026
43AQI (US)
43AQI (US)
28th May 2026
48AQI (US)
48AQI (US)
29th May 2026
34AQI (US)
34AQI (US)
30th May 2026
44AQI (US)
44AQI (US)
31st May 2026
44AQI (US)
44AQI (US)
1st June 2026
67AQI (US)
67AQI (US)
2nd June 2026
75AQI (US)
75AQI (US)
3rd June 2026
59AQI (US)
59AQI (US)
4th June 2026
47AQI (US)
47AQI (US)
5th June 2026
22AQI (US)
22AQI (US)
6th June 2026
23AQI (US)
23AQI (US)
7th June 2026
31AQI (US)
31AQI (US)
8th June 2026
25AQI (US)
25AQI (US)
9th June 2026
30AQI (US)
30AQI (US)
10th June 2026
26AQI (US)
26AQI (US)
11th June 2026
15AQI (US)
15AQI (US)
12th June 2026
30AQI (US)
30AQI (US)
13th June 2026
24AQI (US)
24AQI (US)
14th June 2026
19AQI (US)
19AQI (US)
15th June 2026
19AQI (US)
19AQI (US)
16th June 2026
26AQI (US)
26AQI (US)
17th June 2026
25AQI (US)
25AQI (US)
18th June 2026
27AQI (US)
27AQI (US)
19th June 2026
34AQI (US)
34AQI (US)
20th June 2026
41AQI (US)
41AQI (US)
21st June 2026
32AQI (US)
32AQI (US)
22nd June 2026
35AQI (US)
35AQI (US)
23rd June 2026
39AQI (US)
39AQI (US)
24th June 2026
35AQI (US)
35AQI (US)
25th June 2026
38AQI (US)
38AQI (US)
26th June 2026
43AQI (US)
43AQI (US)
27th June 2026
44AQI (US)
44AQI (US)
28th June 2026
45AQI (US)
45AQI (US)
29th June 2026
28AQI (US)
28AQI (US)
30th June 2026
24AQI (US)
24AQI (US)
1st July 2026
15AQI (US)
15AQI (US)
2nd July 2026
23AQI (US)
23AQI (US)
3rd July 2026
29AQI (US)
29AQI (US)
4th July 2026
40AQI (US)
40AQI (US)
5th July 2026
29AQI (US)
29AQI (US)
6th July 2026
36AQI (US)
36AQI (US)
7th July 2026
45AQI (US)
45AQI (US)
8th July 2026
47AQI (US)
47AQI (US)
9th July 2026
29AQI (US)
29AQI (US)
10th July 2026
42AQI (US)
42AQI (US)
11th July 2026
39AQI (US)
39AQI (US)
12th July 2026
51AQI (US)
51AQI (US)
13th July 2026
19AQI (US)
19AQI (US)
14th July 2026
39AQI (US)
39AQI (US)
15th July 2026
43AQI (US)
43AQI (US)
16th July 2026
52AQI (US)
52AQI (US)
17th July 2026
51AQI (US)
51AQI (US)
18th July 2026
58AQI (US)
58AQI (US)
19th July 2026
57AQI (US)
57AQI (US)
20th July 2026
61AQI (US)
61AQI (US)
21st July 2026
47AQI (US)
47AQI (US)
22nd July 2026
28AQI (US)
28AQI (US)
23rd July 2026
37AQI (US)
37AQI (US)
24th July 2026
33AQI (US)
33AQI (US)
25th July 2026
25AQI (US)
25AQI (US)
26th July 2026
33AQI (US)
33AQI (US)
27th July 2026
35AQI (US)
35AQI (US)
28th July 2026
31AQI (US)
31AQI (US)
29th July 2026
27AQI (US)
27AQI (US)
30th July 2026
31AQI (US)
31AQI (US)
31st July 2026
26AQI (US)
26AQI (US)
1st August 2026
26AQI (US)
26AQI (US)
2nd August 2026
25AQI (US)
25AQI (US)
3rd August 2026
32AQI (US)
32AQI (US)
4th August 2026
33AQI (US)
33AQI (US)
5th August 2026
28AQI (US)
28AQI (US)
6th August 2026
28AQI (US)
28AQI (US)
7th August 2026
27AQI (US)
27AQI (US)
8th August 2026
25AQI (US)
25AQI (US)
9th August 2026
28AQI (US)
28AQI (US)
10th August 2026
30AQI (US)
30AQI (US)
11th August 2026
30AQI (US)
30AQI (US)
12th August 2026
30AQI (US)
30AQI (US)
13th August 2026
38AQI (US)
38AQI (US)
14th August 2026
38AQI (US)
38AQI (US)
15th August 2026
37AQI (US)
37AQI (US)
16th August 2026
32AQI (US)
32AQI (US)
17th August 2026
40AQI (US)
40AQI (US)
18th August 2026
47AQI (US)
47AQI (US)
19th August 2026
36AQI (US)
36AQI (US)
20th August 2026
25AQI (US)
25AQI (US)
21st August 2026
35AQI (US)
35AQI (US)
22nd August 2026
32AQI (US)
32AQI (US)
23rd August 2026
33AQI (US)
33AQI (US)
24th August 2026
45AQI (US)
45AQI (US)
25th August 2026
57AQI (US)
57AQI (US)
26th August 2026
38AQI (US)
38AQI (US)
27th August 2026
38AQI (US)
38AQI (US)
28th August 2026
30AQI (US)
30AQI (US)
29th August 2026
32AQI (US)
32AQI (US)
30th August 2026
35AQI (US)
35AQI (US)
31st August 2026
40AQI (US)
40AQI (US)
1st September 2026
45AQI (US)
45AQI (US)
2nd September 2026
43AQI (US)
43AQI (US)
3rd September 2026
53AQI (US)
53AQI (US)
4th September 2026
58AQI (US)
58AQI (US)
5th September 2026
49AQI (US)
49AQI (US)
6th September 2026
41AQI (US)
41AQI (US)
7th September 2026
30AQI (US)
30AQI (US)
8th September 2026
37AQI (US)
37AQI (US)
9th September 2026
31AQI (US)
31AQI (US)
10th September 2026
39AQI (US)
39AQI (US)
11th September 2026
58AQI (US)
58AQI (US)
12th September 2026
66AQI (US)
66AQI (US)
13th September 2026
65AQI (US)
65AQI (US)
14th September 2026
55AQI (US)
55AQI (US)
15th September 2026
26AQI (US)
26AQI (US)
16th September 2026
21AQI (US)
21AQI (US)
17th September 2026
23AQI (US)
23AQI (US)
18th September 2026
28AQI (US)
28AQI (US)
19th September 2026
32AQI (US)
32AQI (US)
20th September 2026
39AQI (US)
39AQI (US)
21st September 2026
41AQI (US)
41AQI (US)
22nd September 2026
53AQI (US)
53AQI (US)
23rd September 2026
58AQI (US)
58AQI (US)
24th September 2026
37AQI (US)
37AQI (US)
25th September 2026
28AQI (US)
28AQI (US)
26th September 2026
33AQI (US)
33AQI (US)
27th September 2026
33AQI (US)
33AQI (US)
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
86AQI (US)
88AQI (US)
111AQI (US)
143AQI (US)
64AQI (US)
34AQI (US)
37AQI (US)
34AQI (US)
42AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202671AQI (US)
25
6
1
19
8
13
14
4
6
6
16
9
21
27
3
25
6
30
1
19
8
111
102
34
20
Highest AQI (US) recorded in
April143AQI (US)
Lowest AQI (US) recorded in
August34AQI (US)
202569AQI (US)
15
16
4
22
2
20
11
21
9
31
13
17
29
2
23
8
28
2
2
29
7
22
1
1
30
107
219
39
Highest AQI (US) recorded in
January99AQI (US)
Lowest AQI (US) recorded in
September41AQI (US)
202457AQI (US)
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 (US) recorded in
April172AQI (US)
Lowest AQI (US) recorded in
October31AQI (US)
2023140AQI (US)
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 (US) recorded in
March196AQI (US)
Lowest AQI (US) recorded in
June80AQI (US)
2022145AQI (US)
1
1
2
13
8
1
4
5
2
3
17
14
3
Highest AQI (US) recorded in
October180AQI (US)
Lowest AQI (US) recorded in
November134AQI (US)
Most & Least Polluted Years Over the Last 5 Years
Most Polluted Year Recorded
2022(Avg.)
145AQI (US)Least Polluted Year Recorded
2024(Avg.)
57AQI (US)Phonsavan's annual 2026 AQI (US) (71) shows an average percentage change of -18.2% (improved AQI (US)) compared to previous years: 2022 (145), 2023 (140), 2024 (57), 2025 (69).
