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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Vientiane University Of Health Science 2, Vientiane, Viangchan, 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+

July Air Quality Analysis

Vientiane University Of Health Science 2, Vientiane, Viangchan, Laos

2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
5th Jul 2024
57AQI
Lowest AQI recorded on
6th Jul 2026
26AQI

Same Day Analysis (15th July):
On this day, AQI across the 3 years varied significantly: 2026 ranks 3rd highest AQI at 35 of Good air quality, showing improvement over 2025 and 2024 on the same day.

Day & Night AQI Trend: 15th Jul - 16th Jul 2026

Vientiane University Of Health Science 2, Vientiane, Viangchan, Laos

AQI
Day
Night
.

5 AM15th Jul 2026

6 PM

4 AM16th Jul 2026

Day time
Avg. Highest Time
6PM15th Jul

40AQI

Avg. Lowest Time
7AM15th Jul

16AQI

Night time
Avg. Highest Time
10PM15th Jul

71AQI

Avg. Lowest Time
9PM15th Jul

30AQI

In the last 24 hours,

Vientiane University Of Health Science 2's AQI reached its highest point of 71 at 10 PM during the Night, while the lowest point, 16, was recorded at 7 AM during the Day between 15th Jul and 16th Jul 2026.

Day & Night AQI Trend : Jun - Jul 2026

Vientiane University Of Health Science 2, Vientiane, Viangchan, Laos

JunJul
17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th
Day
Night
17th Jun 2026565 AMAQI
17th Jun 2026406 AMAQI
17th Jun 2026337 AMAQI
17th Jun 2026328 AMAQI
17th Jun 2026329 AMAQI
17th Jun 20263010 AMAQI
17th Jun 20263611 AMAQI
17th Jun 20265512 PMAQI
17th Jun 2026321 PMAQI
17th Jun 2026322 PMAQI
17th Jun 2026303 PMAQI
17th Jun 2026304 PMAQI
17th Jun 2026285 PMAQI
17th Jun 2026316 PMAQI
17th Jun 2026317 PMAQI
17th Jun 2026328 PMAQI
17th Jun 2026319 PMAQI
17th Jun 20266210 PMAQI
17th Jun 20266011 PMAQI
18th Jun 20265312 AMAQI
18th Jun 2026461 AMAQI
18th Jun 2026382 AMAQI
18th Jun 2026403 AMAQI
18th Jun 2026364 AMAQI

27°C25/32°C

18th Jun 2026345 AMAQI
18th Jun 2026386 AMAQI
18th Jun 2026517 AMAQI
18th Jun 2026528 AMAQI
18th Jun 2026469 AMAQI
18th Jun 20266710 AMAQI
18th Jun 20266011 AMAQI
18th Jun 20263112 PMAQI
18th Jun 2026321 PMAQI
18th Jun 2026322 PMAQI
18th Jun 2026283 PMAQI
18th Jun 2026304 PMAQI
18th Jun 2026305 PMAQI
18th Jun 2026276 PMAQI
18th Jun 2026307 PMAQI
18th Jun 2026318 PMAQI
18th Jun 2026309 PMAQI
18th Jun 20263010 PMAQI
18th Jun 20263011 PMAQI
19th Jun 20263012 AMAQI
19th Jun 2026301 AMAQI
19th Jun 2026302 AMAQI
19th Jun 2026283 AMAQI
19th Jun 2026284 AMAQI

28°C25/34°C

19th Jun 2026335 AMAQI
19th Jun 2026366 AMAQI
19th Jun 2026527 AMAQI
19th Jun 2026488 AMAQI
19th Jun 2026379 AMAQI
19th Jun 20263610 AMAQI
19th Jun 20263411 AMAQI
19th Jun 20264012 PMAQI
19th Jun 2026311 PMAQI
19th Jun 2026302 PMAQI
19th Jun 2026303 PMAQI
19th Jun 2026264 PMAQI
19th Jun 2026285 PMAQI
19th Jun 2026256 PMAQI
19th Jun 2026267 PMAQI
19th Jun 2026368 PMAQI
19th Jun 2026579 PMAQI
19th Jun 20263010 PMAQI
19th Jun 20263211 PMAQI
20th Jun 20263012 AMAQI
20th Jun 2026301 AMAQI
20th Jun 2026262 AMAQI
20th Jun 2026303 AMAQI
20th Jun 2026324 AMAQI

28°C24/33°C

20th Jun 2026325 AMAQI
20th Jun 2026336 AMAQI
20th Jun 2026427 AMAQI
20th Jun 2026428 AMAQI
20th Jun 2026329 AMAQI
20th Jun 20263010 AMAQI
20th Jun 20262911 AMAQI
20th Jun 20263012 PMAQI
20th Jun 2026341 PMAQI
20th Jun 2026282 PMAQI
20th Jun 2026273 PMAQI
20th Jun 2026304 PMAQI
20th Jun 2026285 PMAQI
20th Jun 2026316 PMAQI
20th Jun 2026287 PMAQI
20th Jun 2026348 PMAQI
20th Jun 2026369 PMAQI
20th Jun 20263410 PMAQI
20th Jun 20262911 PMAQI
21st Jun 20262912 AMAQI
21st Jun 2026341 AMAQI
21st Jun 2026302 AMAQI
21st Jun 2026313 AMAQI
21st Jun 2026324 AMAQI

25°C23/26°C

21st Jun 2026315 AMAQI
21st Jun 2026346 AMAQI
21st Jun 2026387 AMAQI
21st Jun 2026298 AMAQI
21st Jun 2026339 AMAQI
21st Jun 20262610 AMAQI
21st Jun 20262611 AMAQI
21st Jun 20262612 PMAQI
21st Jun 2026261 PMAQI
21st Jun 2026242 PMAQI
21st Jun 2026243 PMAQI
21st Jun 2026244 PMAQI
21st Jun 2026225 PMAQI
21st Jun 2026266 PMAQI
21st Jun 2026227 PMAQI
21st Jun 2026338 PMAQI
21st Jun 2026269 PMAQI
21st Jun 20263010 PMAQI
21st Jun 20262611 PMAQI
22nd Jun 20262712 AMAQI
22nd Jun 2026261 AMAQI
22nd Jun 2026302 AMAQI
22nd Jun 2026243 AMAQI
22nd Jun 2026274 AMAQI

27°C23/32°C

22nd Jun 2026255 AMAQI
22nd Jun 2026286 AMAQI
22nd Jun 2026247 AMAQI
22nd Jun 2026238 AMAQI
22nd Jun 2026729 AMAQI
22nd Jun 20262810 AMAQI
22nd Jun 20262811 AMAQI
22nd Jun 20263012 PMAQI
22nd Jun 2026241 PMAQI
22nd Jun 2026262 PMAQI
22nd Jun 2026263 PMAQI
22nd Jun 2026264 PMAQI
22nd Jun 2026265 PMAQI
22nd Jun 2026256 PMAQI
22nd Jun 2026447 PMAQI
22nd Jun 2026348 PMAQI
22nd Jun 2026409 PMAQI
22nd Jun 20265710 PMAQI
22nd Jun 20265811 PMAQI
23rd Jun 20265412 AMAQI
23rd Jun 2026591 AMAQI
23rd Jun 2026482 AMAQI
23rd Jun 2026533 AMAQI
23rd Jun 2026384 AMAQI

28°C24/33°C

23rd Jun 2026325 AMAQI
23rd Jun 2026326 AMAQI
23rd Jun 2026337 AMAQI
23rd Jun 2026368 AMAQI
23rd Jun 2026369 AMAQI
23rd Jun 20263810 AMAQI
23rd Jun 20263411 AMAQI
23rd Jun 20263212 PMAQI
23rd Jun 2026301 PMAQI
23rd Jun 2026262 PMAQI
23rd Jun 2026283 PMAQI
23rd Jun 2026264 PMAQI
23rd Jun 2026265 PMAQI
23rd Jun 2026286 PMAQI
23rd Jun 2026327 PMAQI
23rd Jun 2026298 PMAQI
23rd Jun 2026489 PMAQI
23rd Jun 20268310 PMAQI
23rd Jun 20268211 PMAQI
24th Jun 20266612 AMAQI
24th Jun 2026681 AMAQI
24th Jun 2026642 AMAQI
24th Jun 2026723 AMAQI
24th Jun 2026564 AMAQI

27°C25/33°C

24th Jun 2026565 AMAQI
24th Jun 2026526 AMAQI
24th Jun 2026567 AMAQI
24th Jun 2026488 AMAQI
24th Jun 2026449 AMAQI
24th Jun 20263810 AMAQI
24th Jun 20263011 AMAQI
24th Jun 20263112 PMAQI
24th Jun 2026191 PMAQI
24th Jun 2026242 PMAQI
24th Jun 2026253 PMAQI
24th Jun 2026254 PMAQI
24th Jun 2026195 PMAQI
24th Jun 2026196 PMAQI
24th Jun 2026277 PMAQI
24th Jun 2026348 PMAQI
24th Jun 2026449 PMAQI
24th Jun 20264010 PMAQI
24th Jun 20263611 PMAQI
25th Jun 20263812 AMAQI
25th Jun 2026381 AMAQI
25th Jun 2026362 AMAQI
25th Jun 2026273 AMAQI
25th Jun 2026334 AMAQI

29°C25/34°C

25th Jun 2026365 AMAQI
25th Jun 2026386 AMAQI
25th Jun 2026447 AMAQI
25th Jun 2026488 AMAQI
25th Jun 2026319 AMAQI
25th Jun 20261910 AMAQI
25th Jun 20261511 AMAQI
25th Jun 20261612 PMAQI
25th Jun 2026171 PMAQI
25th Jun 2026172 PMAQI
25th Jun 2026173 PMAQI
25th Jun 2026124 PMAQI
25th Jun 2026105 PMAQI
25th Jun 2026106 PMAQI
25th Jun 2026187 PMAQI
25th Jun 2026198 PMAQI
25th Jun 2026389 PMAQI
25th Jun 20263810 PMAQI
25th Jun 20262811 PMAQI
26th Jun 20263212 AMAQI
26th Jun 2026401 AMAQI
26th Jun 2026192 AMAQI
26th Jun 2026173 AMAQI
26th Jun 2026174 AMAQI

30°C25/35°C

26th Jun 2026175 AMAQI
26th Jun 2026146 AMAQI
26th Jun 2026187 AMAQI
26th Jun 2026238 AMAQI
26th Jun 2026259 AMAQI
26th Jun 20265210 AMAQI
26th Jun 20265611 AMAQI
26th Jun 20266912 PMAQI
26th Jun 2026451 PMAQI
26th Jun 2026382 PMAQI
26th Jun 2026253 PMAQI
26th Jun 2026234 PMAQI
26th Jun 2026335 PMAQI
26th Jun 2026526 PMAQI
26th Jun 2026527 PMAQI
26th Jun 2026558 PMAQI
26th Jun 2026549 PMAQI
26th Jun 20265110 PMAQI
26th Jun 20262311 PMAQI
27th Jun 20262512 AMAQI
27th Jun 2026251 AMAQI
27th Jun 2026292 AMAQI
27th Jun 2026293 AMAQI
27th Jun 2026254 AMAQI

30°C26/35°C

27th Jun 2026295 AMAQI
27th Jun 2026316 AMAQI
27th Jun 2026197 AMAQI
27th Jun 2026408 AMAQI
27th Jun 2026299 AMAQI
27th Jun 20262510 AMAQI
27th Jun 20263311 AMAQI
27th Jun 20262112 PMAQI
27th Jun 2026481 PMAQI
27th Jun 2026912 PMAQI
27th Jun 2026443 PMAQI
27th Jun 2026214 PMAQI
27th Jun 2026215 PMAQI
27th Jun 2026216 PMAQI
27th Jun 2026317 PMAQI
27th Jun 2026468 PMAQI
27th Jun 2026629 PMAQI
27th Jun 20263610 PMAQI
27th Jun 20263311 PMAQI
28th Jun 20263112 AMAQI
28th Jun 2026251 AMAQI
28th Jun 2026212 AMAQI
28th Jun 2026313 AMAQI
28th Jun 2026294 AMAQI

29°C25/35°C

28th Jun 2026275 AMAQI
28th Jun 2026326 AMAQI
28th Jun 2026547 AMAQI
28th Jun 2026408 AMAQI
28th Jun 2026409 AMAQI
28th Jun 20264210 AMAQI
28th Jun 20263111 AMAQI
28th Jun 20262312 PMAQI
28th Jun 2026311 PMAQI
28th Jun 2026292 PMAQI
28th Jun 2026273 PMAQI
28th Jun 2026234 PMAQI
28th Jun 2026235 PMAQI
28th Jun 2026276 PMAQI
28th Jun 2026277 PMAQI
28th Jun 2026428 PMAQI
28th Jun 2026519 PMAQI
28th Jun 20265010 PMAQI
28th Jun 20264611 PMAQI
29th Jun 20264212 AMAQI
29th Jun 2026501 AMAQI
29th Jun 2026332 AMAQI
29th Jun 2026293 AMAQI
29th Jun 2026274 AMAQI

29°C25/34°C

29th Jun 2026235 AMAQI
29th Jun 2026336 AMAQI
29th Jun 2026237 AMAQI
29th Jun 2026178 AMAQI
29th Jun 2026239 AMAQI
29th Jun 20266910 AMAQI
29th Jun 20264011 AMAQI
29th Jun 20264012 PMAQI
29th Jun 2026421 PMAQI
29th Jun 2026402 PMAQI
29th Jun 2026173 PMAQI
29th Jun 2026214 PMAQI
29th Jun 2026295 PMAQI
29th Jun 2026546 PMAQI
29th Jun 2026297 PMAQI
29th Jun 2026298 PMAQI
29th Jun 2026349 PMAQI
29th Jun 20263410 PMAQI
29th Jun 20263011 PMAQI
30th Jun 20263412 AMAQI
30th Jun 2026301 AMAQI
30th Jun 2026292 AMAQI
30th Jun 2026313 AMAQI
30th Jun 2026364 AMAQI

29°C26/33°C

30th Jun 2026455 AMAQI
30th Jun 2026306 AMAQI
30th Jun 2026337 AMAQI
30th Jun 2026328 AMAQI
30th Jun 2026319 AMAQI
30th Jun 20263210 AMAQI
30th Jun 20263011 AMAQI
30th Jun 20262812 PMAQI
30th Jun 2026321 PMAQI
30th Jun 2026272 PMAQI
30th Jun 2026293 PMAQI
30th Jun 2026284 PMAQI
30th Jun 2026295 PMAQI
30th Jun 2026306 PMAQI
30th Jun 2026287 PMAQI
30th Jun 2026288 PMAQI
30th Jun 2026329 PMAQI
30th Jun 20263410 PMAQI
30th Jun 20263011 PMAQI
1st Jul 20263212 AMAQI
1st Jul 2026281 AMAQI
1st Jul 2026232 AMAQI
1st Jul 2026303 AMAQI
1st Jul 2026224 AMAQI

26°C25/29°C

1st Jul 2026305 AMAQI
1st Jul 2026326 AMAQI
1st Jul 2026317 AMAQI
1st Jul 2026308 AMAQI
1st Jul 2026319 AMAQI
1st Jul 20263310 AMAQI
1st Jul 20263011 AMAQI
1st Jul 20263212 PMAQI
1st Jul 2026251 PMAQI
1st Jul 2026272 PMAQI
1st Jul 2026283 PMAQI
1st Jul 2026264 PMAQI
1st Jul 2026265 PMAQI
1st Jul 2026266 PMAQI
1st Jul 2026287 PMAQI
1st Jul 2026278 PMAQI
1st Jul 2026309 PMAQI
1st Jul 20263010 PMAQI
1st Jul 20263011 PMAQI
2nd Jul 20263212 AMAQI
2nd Jul 2026301 AMAQI
2nd Jul 2026302 AMAQI
2nd Jul 2026323 AMAQI
2nd Jul 2026274 AMAQI

26°C24/29°C

2nd Jul 2026275 AMAQI
2nd Jul 2026536 AMAQI
2nd Jul 2026297 AMAQI
2nd Jul 2026308 AMAQI
2nd Jul 2026179 AMAQI
2nd Jul 20262610 AMAQI
2nd Jul 20262611 AMAQI
2nd Jul 20262612 PMAQI
2nd Jul 2026241 PMAQI
2nd Jul 2026262 PMAQI
2nd Jul 2026293 PMAQI
2nd Jul 2026204 PMAQI
2nd Jul 2026195 PMAQI
2nd Jul 2026286 PMAQI
2nd Jul 2026287 PMAQI
2nd Jul 2026268 PMAQI
2nd Jul 2026309 PMAQI
2nd Jul 20262610 PMAQI
2nd Jul 20262711 PMAQI
3rd Jul 20262712 AMAQI
3rd Jul 2026281 AMAQI
3rd Jul 2026262 AMAQI
3rd Jul 2026283 AMAQI
3rd Jul 2026244 AMAQI

27°C25/32°C

3rd Jul 2026255 AMAQI
3rd Jul 2026276 AMAQI
3rd Jul 2026387 AMAQI
3rd Jul 2026488 AMAQI
3rd Jul 2026259 AMAQI
3rd Jul 20262910 AMAQI
3rd Jul 20262311 AMAQI
3rd Jul 20262112 PMAQI
3rd Jul 2026161 PMAQI
3rd Jul 2026192 PMAQI
3rd Jul 2026193 PMAQI
3rd Jul 2026214 PMAQI
3rd Jul 2026285 PMAQI
3rd Jul 2026386 PMAQI
3rd Jul 2026347 PMAQI
3rd Jul 2026498 PMAQI
3rd Jul 2026519 PMAQI
3rd Jul 20264410 PMAQI
3rd Jul 20264411 PMAQI
4th Jul 20264212 AMAQI
4th Jul 2026321 AMAQI
4th Jul 2026292 AMAQI
4th Jul 2026293 AMAQI
4th Jul 2026284 AMAQI

27°C24/33°C

4th Jul 2026315 AMAQI
4th Jul 2026306 AMAQI
4th Jul 2026417 AMAQI
4th Jul 2026338 AMAQI
4th Jul 2026409 AMAQI
4th Jul 20263810 AMAQI
4th Jul 20263111 AMAQI
4th Jul 20263212 PMAQI
4th Jul 2026321 PMAQI
4th Jul 2026262 PMAQI
4th Jul 2026303 PMAQI
4th Jul 2026304 PMAQI
4th Jul 2026265 PMAQI
4th Jul 2026306 PMAQI
4th Jul 2026307 PMAQI
4th Jul 2026318 PMAQI
4th Jul 2026289 PMAQI
4th Jul 20263010 PMAQI
4th Jul 20263211 PMAQI
5th Jul 20266012 AMAQI
5th Jul 2026381 AMAQI
5th Jul 2026292 AMAQI
5th Jul 2026293 AMAQI
5th Jul 2026284 AMAQI

27°C25/31°C

5th Jul 2026285 AMAQI
5th Jul 2026296 AMAQI
5th Jul 2026317 AMAQI
5th Jul 2026318 AMAQI
5th Jul 2026319 AMAQI
5th Jul 20262910 AMAQI
5th Jul 20263411 AMAQI
5th Jul 20264212 PMAQI
5th Jul 2026401 PMAQI
5th Jul 2026362 PMAQI
5th Jul 2026363 PMAQI
5th Jul 2026344 PMAQI
5th Jul 2026285 PMAQI
5th Jul 2026286 PMAQI
5th Jul 2026297 PMAQI
5th Jul 2026278 PMAQI
5th Jul 2026329 PMAQI
5th Jul 20263010 PMAQI
5th Jul 20263011 PMAQI
6th Jul 20263012 AMAQI
6th Jul 2026311 AMAQI
6th Jul 2026272 AMAQI
6th Jul 2026283 AMAQI
6th Jul 2026284 AMAQI

24°C23/25°C

6th Jul 2026305 AMAQI
6th Jul 2026286 AMAQI
6th Jul 2026247 AMAQI
6th Jul 2026408 AMAQI
6th Jul 2026429 AMAQI
6th Jul 20262510 AMAQI
6th Jul 20262411 AMAQI
6th Jul 20262612 PMAQI
6th Jul 2026271 PMAQI
6th Jul 2026302 PMAQI
6th Jul 2026243 PMAQI
6th Jul 2026234 PMAQI
6th Jul 2026255 PMAQI
6th Jul 2026146 PMAQI
6th Jul 2026127 PMAQI
6th Jul 2026148 PMAQI
6th Jul 2026199 PMAQI
6th Jul 20263010 PMAQI
6th Jul 20263311 PMAQI
7th Jul 20263512 AMAQI
7th Jul 2026341 AMAQI
7th Jul 2026302 AMAQI
7th Jul 2026323 AMAQI
7th Jul 2026354 AMAQI

24°C23/26°C

7th Jul 2026315 AMAQI
7th Jul 2026346 AMAQI
7th Jul 2026327 AMAQI
7th Jul 2026318 AMAQI
7th Jul 2026309 AMAQI
7th Jul 20263010 AMAQI
7th Jul 20262611 AMAQI
7th Jul 20263012 PMAQI
7th Jul 2026341 PMAQI
7th Jul 2026552 PMAQI
7th Jul 2026533 PMAQI
7th Jul 2026524 PMAQI
7th Jul 2026535 PMAQI
7th Jul 2026316 PMAQI
7th Jul 2026327 PMAQI
7th Jul 2026318 PMAQI
7th Jul 2026269 PMAQI
7th Jul 20263410 PMAQI
7th Jul 20263211 PMAQI
8th Jul 20263012 AMAQI
8th Jul 2026321 AMAQI
8th Jul 2026302 AMAQI
8th Jul 2026333 AMAQI
8th Jul 2026324 AMAQI

26°C23/30°C

8th Jul 2026295 AMAQI
8th Jul 2026346 AMAQI
8th Jul 2026327 AMAQI
8th Jul 2026298 AMAQI
8th Jul 2026409 AMAQI
8th Jul 20263310 AMAQI
8th Jul 20263011 AMAQI
8th Jul 20263212 PMAQI
8th Jul 2026281 PMAQI
8th Jul 2026322 PMAQI
8th Jul 2026343 PMAQI
8th Jul 2026404 PMAQI
8th Jul 2026255 PMAQI
8th Jul 2026266 PMAQI
8th Jul 2026287 PMAQI
8th Jul 2026318 PMAQI
8th Jul 2026339 PMAQI
8th Jul 20263410 PMAQI
8th Jul 20263411 PMAQI
9th Jul 20263112 AMAQI
9th Jul 2026341 AMAQI
9th Jul 2026302 AMAQI
9th Jul 2026343 AMAQI
9th Jul 2026334 AMAQI

25°C23/30°C

9th Jul 2026325 AMAQI
9th Jul 2026326 AMAQI
9th Jul 2026307 AMAQI
9th Jul 2026308 AMAQI
9th Jul 2026309 AMAQI
9th Jul 20262610 AMAQI
9th Jul 20262811 AMAQI
9th Jul 20262812 PMAQI
9th Jul 2026271 PMAQI
9th Jul 2026342 PMAQI
9th Jul 2026313 PMAQI
9th Jul 2026324 PMAQI
9th Jul 2026325 PMAQI
9th Jul 2026426 PMAQI
9th Jul 2026557 PMAQI
9th Jul 2026578 PMAQI
9th Jul 2026649 PMAQI
9th Jul 20265810 PMAQI
9th Jul 20264411 PMAQI
10th Jul 20265412 AMAQI
10th Jul 2026491 AMAQI
10th Jul 2026362 AMAQI
10th Jul 2026443 AMAQI
10th Jul 2026384 AMAQI

24°C22/29°C

10th Jul 2026345 AMAQI
10th Jul 2026426 AMAQI
10th Jul 2026557 AMAQI
10th Jul 2026538 AMAQI
10th Jul 2026429 AMAQI
10th Jul 20263810 AMAQI
10th Jul 20263611 AMAQI
10th Jul 20263812 PMAQI
10th Jul 2026281 PMAQI
10th Jul 2026302 PMAQI
10th Jul 2026313 PMAQI
10th Jul 2026324 PMAQI
10th Jul 2026325 PMAQI
10th Jul 2026366 PMAQI
10th Jul 2026347 PMAQI
10th Jul 2026368 PMAQI
10th Jul 2026219 PMAQI
10th Jul 20262110 PMAQI
10th Jul 20262311 PMAQI
11th Jul 20262512 AMAQI
11th Jul 2026331 AMAQI
11th Jul 2026322 AMAQI
11th Jul 2026383 AMAQI
11th Jul 2026354 AMAQI

25°C23/29°C

11th Jul 2026375 AMAQI
11th Jul 2026406 AMAQI
11th Jul 2026387 AMAQI
11th Jul 2026428 AMAQI
11th Jul 2026449 AMAQI
11th Jul 20263610 AMAQI
11th Jul 20264611 AMAQI
11th Jul 20264212 PMAQI
11th Jul 2026291 PMAQI
11th Jul 2026332 PMAQI
11th Jul 2026333 PMAQI
11th Jul 2026404 PMAQI
11th Jul 2026345 PMAQI
11th Jul 2026466 PMAQI
11th Jul 2026577 PMAQI
11th Jul 2026488 PMAQI
11th Jul 2026509 PMAQI
11th Jul 20265110 PMAQI
11th Jul 20265811 PMAQI
12th Jul 20266512 AMAQI
12th Jul 2026601 AMAQI
12th Jul 2026592 AMAQI
12th Jul 2026573 AMAQI
12th Jul 2026564 AMAQI

24°C23/26°C

12th Jul 2026605 AMAQI
12th Jul 2026586 AMAQI
12th Jul 2026667 AMAQI
12th Jul 2026628 AMAQI
12th Jul 2026559 AMAQI
12th Jul 20264210 AMAQI
12th Jul 20262611 AMAQI
12th Jul 20262612 PMAQI
12th Jul 2026251 PMAQI
12th Jul 2026292 PMAQI
12th Jul 2026323 PMAQI
12th Jul 2026304 PMAQI
12th Jul 2026315 PMAQI
12th Jul 2026316 PMAQI
12th Jul 2026337 PMAQI
12th Jul 2026348 PMAQI
12th Jul 2026369 PMAQI
12th Jul 20263210 PMAQI
12th Jul 20264211 PMAQI
13th Jul 20263312 AMAQI
13th Jul 2026351 AMAQI
13th Jul 2026402 AMAQI
13th Jul 2026483 AMAQI
13th Jul 2026394 AMAQI

25°C23/30°C

13th Jul 2026335 AMAQI
13th Jul 2026326 AMAQI
13th Jul 2026317 AMAQI
13th Jul 2026348 AMAQI
13th Jul 2026309 AMAQI
13th Jul 20263210 AMAQI
13th Jul 20262711 AMAQI
13th Jul 20262412 PMAQI
13th Jul 2026241 PMAQI
13th Jul 2026282 PMAQI
13th Jul 2026303 PMAQI
13th Jul 2026324 PMAQI
13th Jul 2026345 PMAQI
13th Jul 2026346 PMAQI
13th Jul 2026367 PMAQI
13th Jul 2026348 PMAQI
13th Jul 2026449 PMAQI
13th Jul 20263310 PMAQI
13th Jul 20264211 PMAQI
14th Jul 20264812 AMAQI
14th Jul 2026501 AMAQI
14th Jul 2026532 AMAQI
14th Jul 2026483 AMAQI
14th Jul 2026584 AMAQI

26°C24/29°C

14th Jul 2026715 AMAQI
14th Jul 2026646 AMAQI
14th Jul 2026597 AMAQI
14th Jul 2026628 AMAQI
14th Jul 2026649 AMAQI
14th Jul 20265010 AMAQI
14th Jul 20263811 AMAQI
14th Jul 20262912 PMAQI
14th Jul 2026331 PMAQI
14th Jul 2026332 PMAQI
14th Jul 2026333 PMAQI
14th Jul 2026324 PMAQI
14th Jul 2026345 PMAQI
14th Jul 2026346 PMAQI
14th Jul 2026447 PMAQI
14th Jul 2026498 PMAQI
14th Jul 2026409 PMAQI
14th Jul 20264010 PMAQI
14th Jul 20264611 PMAQI
15th Jul 20265612 AMAQI
15th Jul 2026491 AMAQI
15th Jul 2026212 AMAQI
15th Jul 2026363 AMAQI
15th Jul 2026244 AMAQI

27°C24/30°C

15th Jul 2026345 AMAQI
15th Jul 2026356 AMAQI
15th Jul 2026167 AMAQI
15th Jul 2026208 AMAQI
15th Jul 2026209 AMAQI
15th Jul 20262710 AMAQI
15th Jul 20262411 AMAQI
15th Jul 20262812 PMAQI
15th Jul 2026251 PMAQI
15th Jul 2026262 PMAQI
15th Jul 2026263 PMAQI
15th Jul 2026304 PMAQI
15th Jul 2026335 PMAQI
15th Jul 2026406 PMAQI
15th Jul 2026447 PMAQI
15th Jul 2026648 PMAQI
15th Jul 2026309 PMAQI
15th Jul 20267110 PMAQI
15th Jul 20265311 PMAQI
16th Jul 20265412 AMAQI
16th Jul 2026541 AMAQI
16th Jul 2026402 AMAQI
16th Jul 2026443 AMAQI
16th Jul 2026464 AMAQI

26°C24/30°C

16th Jul 2026425 AMAQI
5 AM
16th Jul 2026406 AMAQI
16th Jul 2026507 AMAQI
16th Jul 2026518 AMAQI
16th Jul 2026489 AMAQI
16th Jul 20263310 AMAQI
16th Jul 20263311 AMAQI
11 AM
16th Jul 20263612 PMAQI
16th Jul 2026401 PMAQI
16th Jul 2026362 PMAQI
16th Jul 2026463 PMAQI
16th Jul 2026464 PMAQI
16th Jul 2026445 PMAQI
16th Jul 2026406 PMAQI
6 PM
16th Jul 2026427 PMAQI
16th Jul 2026448 PMAQI
16th Jul 2026489 PMAQI
16th Jul 20265510 PMAQI
16th Jul 20265111 PMAQI
11 PM
4 AM

25°C24/27°C

Day time
Avg. Highest Time
5 AM - 9 AM

37AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
4 PM - 5 PM

29AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 9 AM (Avg. 37), while the lowest AQI was between 4 PM to 5 PM (Avg. 29).
Night time
Avg. Highest Time
10 PM

41AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
2 AM

33AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 10 PM (Avg. 41), while the lowest AQI was between 2 AM to 2 AM (Avg. 33).

2026 Days Vs Air Quality

Vientiane University Of Health Science 2, Vientiane, Viangchan, Laos

2026

28%

54

44%

85

22%

42

6%

12

Total number of days with different AQI categories in last 197 days in 2026 (168 days remaining)

Good
54 Days
Moderate
85 Days
Poor
42 Days
Unhealthy
12 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 28%

Health Risk Level:

Very high

In 2026, 28% of 197 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

Vientiane University Of Health Science 2, Vientiane, Viangchan, 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
98AQI (US)
2nd January 2026
61AQI (US)
3rd January 2026
36AQI (US)
4th January 2026
55AQI (US)
5th January 2026
112AQI (US)
6th January 2026
59AQI (US)
7th January 2026
48AQI (US)
8th January 2026
60AQI (US)
9th January 2026
85AQI (US)
10th January 2026
105AQI (US)
11th January 2026
98AQI (US)
12th January 2026
137AQI (US)
13th January 2026
118AQI (US)
14th January 2026
125AQI (US)
15th January 2026
135AQI (US)
16th January 2026
128AQI (US)
17th January 2026
122AQI (US)
18th January 2026
121AQI (US)
19th January 2026
102AQI (US)
20th January 2026
117AQI (US)
21st January 2026
95AQI (US)
22nd January 2026
67AQI (US)
23rd January 2026
52AQI (US)
24th January 2026
81AQI (US)
25th January 2026
99AQI (US)
26th January 2026
100AQI (US)
27th January 2026
85AQI (US)
28th January 2026
83AQI (US)
29th January 2026
96AQI (US)
30th January 2026
119AQI (US)
31st January 2026
109AQI (US)
1st February 2026
80AQI (US)
2nd February 2026
72AQI (US)
3rd February 2026
58AQI (US)
4th February 2026
79AQI (US)
5th February 2026
99AQI (US)
6th February 2026
100AQI (US)
7th February 2026
108AQI (US)
8th February 2026
73AQI (US)
9th February 2026
25AQI (US)
10th February 2026
68AQI (US)
11th February 2026
78AQI (US)
12th February 2026
76AQI (US)
13th February 2026
89AQI (US)
14th February 2026
93AQI (US)
15th February 2026
91AQI (US)
16th February 2026
105AQI (US)
17th February 2026
78AQI (US)
18th February 2026
51AQI (US)
19th February 2026
32AQI (US)
20th February 2026
36AQI (US)
21st February 2026
79AQI (US)
22nd February 2026
129AQI (US)
23rd February 2026
117AQI (US)
24th February 2026
101AQI (US)
25th February 2026
58AQI (US)
26th February 2026
53AQI (US)
27th February 2026
66AQI (US)
28th February 2026
64AQI (US)
1st March 2026
79AQI (US)
2nd March 2026
91AQI (US)
3rd March 2026
103AQI (US)
4th March 2026
87AQI (US)
5th March 2026
58AQI (US)
6th March 2026
53AQI (US)
7th March 2026
50AQI (US)
8th March 2026
53AQI (US)
9th March 2026
75AQI (US)
10th March 2026
38AQI (US)
11th March 2026
89AQI (US)
12th March 2026
71AQI (US)
13th March 2026
96AQI (US)
14th March 2026
75AQI (US)
15th March 2026
62AQI (US)
16th March 2026
73AQI (US)
17th March 2026
84AQI (US)
18th March 2026
112AQI (US)
19th March 2026
115AQI (US)
20th March 2026
116AQI (US)
21st March 2026
108AQI (US)
22nd March 2026
115AQI (US)
23rd March 2026
105AQI (US)
24th March 2026
121AQI (US)
25th March 2026
111AQI (US)
26th March 2026
110AQI (US)
27th March 2026
144AQI (US)
28th March 2026
140AQI (US)
29th March 2026
117AQI (US)
30th March 2026
135AQI (US)
31st March 2026
145AQI (US)
1st April 2026
160AQI (US)
2nd April 2026
159AQI (US)
3rd April 2026
156AQI (US)
4th April 2026
160AQI (US)
5th April 2026
166AQI (US)
6th April 2026
165AQI (US)
7th April 2026
161AQI (US)
8th April 2026
154AQI (US)
9th April 2026
151AQI (US)
10th April 2026
148AQI (US)
11th April 2026
143AQI (US)
12th April 2026
150AQI (US)
13th April 2026
156AQI (US)
14th April 2026
153AQI (US)
15th April 2026
150AQI (US)
16th April 2026
152AQI (US)
17th April 2026
18th April 2026
132AQI (US)
19th April 2026
122AQI (US)
20th April 2026
104AQI (US)
21st April 2026
127AQI (US)
22nd April 2026
23rd April 2026
136AQI (US)
24th April 2026
83AQI (US)
25th April 2026
66AQI (US)
26th April 2026
75AQI (US)
27th April 2026
93AQI (US)
28th April 2026
89AQI (US)
29th April 2026
76AQI (US)
30th April 2026
65AQI (US)
1st May 2026
77AQI (US)
2nd May 2026
57AQI (US)
3rd May 2026
88AQI (US)
4th May 2026
62AQI (US)
5th May 2026
57AQI (US)
6th May 2026
62AQI (US)
7th May 2026
89AQI (US)
8th May 2026
67AQI (US)
9th May 2026
10th May 2026
57AQI (US)
11th May 2026
79AQI (US)
12th May 2026
81AQI (US)
13th May 2026
59AQI (US)
14th May 2026
54AQI (US)
15th May 2026
41AQI (US)
16th May 2026
87AQI (US)
17th May 2026
82AQI (US)
18th May 2026
74AQI (US)
19th May 2026
59AQI (US)
20th May 2026
70AQI (US)
21st May 2026
75AQI (US)
22nd May 2026
63AQI (US)
23rd May 2026
48AQI (US)
24th May 2026
55AQI (US)
25th May 2026
56AQI (US)
26th May 2026
46AQI (US)
27th May 2026
39AQI (US)
28th May 2026
57AQI (US)
29th May 2026
41AQI (US)
30th May 2026
46AQI (US)
31st May 2026
52AQI (US)
1st June 2026
72AQI (US)
2nd June 2026
71AQI (US)
3rd June 2026
74AQI (US)
4th June 2026
63AQI (US)
5th June 2026
41AQI (US)
6th June 2026
33AQI (US)
7th June 2026
29AQI (US)
8th June 2026
28AQI (US)
9th June 2026
22AQI (US)
10th June 2026
33AQI (US)
11th June 2026
34AQI (US)
12th June 2026
34AQI (US)
13th June 2026
36AQI (US)
14th June 2026
34AQI (US)
15th June 2026
24AQI (US)
16th June 2026
32AQI (US)
17th June 2026
36AQI (US)
18th June 2026
38AQI (US)
19th June 2026
34AQI (US)
20th June 2026
32AQI (US)
21st June 2026
28AQI (US)
22nd June 2026
32AQI (US)
23rd June 2026
40AQI (US)
24th June 2026
41AQI (US)
25th June 2026
27AQI (US)
26th June 2026
35AQI (US)
27th June 2026
34AQI (US)
28th June 2026
33AQI (US)
29th June 2026
34AQI (US)
30th June 2026
31AQI (US)
1st July 2026
29AQI (US)
2nd July 2026
28AQI (US)
3rd July 2026
30AQI (US)
4th July 2026
32AQI (US)
5th July 2026
33AQI (US)
6th July 2026
26AQI (US)
7th July 2026
35AQI (US)
8th July 2026
32AQI (US)
9th July 2026
36AQI (US)
10th July 2026
37AQI (US)
11th July 2026
40AQI (US)
12th July 2026
44AQI (US)
13th July 2026
34AQI (US)
14th July 2026
46AQI (US)
15th July 2026
35AQI (US)
16th July 2026
17th July 2026
18th July 2026
19th July 2026
20th July 2026
21st July 2026
22nd July 2026
23rd July 2026
24th July 2026
25th July 2026
26th July 2026
27th July 2026
28th July 2026
29th July 2026
30th July 2026
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

94AQI (US)

77AQI (US)

95AQI (US)

130AQI (US)

63AQI (US)

38AQI (US)

34AQI (US)

No. of days

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

202679AQI (US)

2
16
13
3
20
5
2
14
15
7
9
12
6
24
26
4
15
54
85
42
12

Highest AQI (US) recorded in

April

130AQI (US)

Lowest AQI (US) recorded in

July

34AQI (US)

202574AQI (US)

10
21
19
9
16
10
5
24
6
6
25
18
12
21
10
17
14
27
3
4
27
6
19
5
2
12
17
101
191
68
5

Highest AQI (US) recorded in

March

110AQI (US)

Lowest AQI (US) recorded in

September

42AQI (US)

202462AQI (US)

3
10
3
1
2
7
5
7
23
14
17
23
6
4
5
17
1
27
3
1
27
3
65
134
10

Highest AQI (US) recorded in

November

83AQI (US)

Lowest AQI (US) recorded in

September

39AQI (US)

2023118AQI (US)

3
8
21
2
8
24
2

Highest AQI (US) recorded in

December

118AQI (US)

Lowest AQI (US) recorded in

November

114AQI (US)

202055AQI (US)

1
1

Highest AQI (US) recorded in

October

55AQI (US)

Lowest AQI (US) recorded in

October

55AQI (US)

Most & Least Polluted Years Over the Last 5 Years

Most Polluted Year Recorded
2023(Avg.)
118AQI (US)
Least Polluted Year Recorded
2020(Avg.)
55AQI (US)

Vientiane University Of Health Science 2's annual 2026 AQI (US) (79) shows an average percentage change of 11.1% (worsened AQI (US)) compared to previous years: 2020 (55), 2023 (118), 2024 (62), 2025 (74).