Viet Tri, Phu Tho, Vietnam 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
Viet Tri, Phu Tho, Vietnam
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Sep 2022
193AQILowest AQI recorded on
28th Sep 2022
5AQISame Day Analysis (18th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 47 of Good air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 18th Sep - 19th Sep 2025
Viet Tri, Phu Tho, Vietnam
AQI
Day
Night
.
5 AM18th Sep 2025
6 PM
4 AM19th Sep 2025
Day time
Avg. Highest Time
7AM18th Sep
52AQI
Avg. Lowest Time
5PM18th Sep
23AQI
Night time
Avg. Highest Time
12AM19th Sep
53AQI
Avg. Lowest Time
6PM18th Sep
36AQI
In the last 24 hours,
Viet Tri's AQI reached its highest point of 53 at 12 AM during the Night, while the lowest point, 23, was recorded at 5 PM during the Day between 18th Sep and 19th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Viet Tri, Phu Tho, Vietnam
AugSep
20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th
Day
Night
20th Aug 2025485 AMAQI
20th Aug 2025486 AMAQI
20th Aug 2025417 AMAQI
20th Aug 2025418 AMAQI
20th Aug 2025369 AMAQI
20th Aug 20254710 AMAQI
20th Aug 20253811 AMAQI
20th Aug 20253412 PMAQI
20th Aug 2025341 PMAQI
20th Aug 2025232 PMAQI
20th Aug 2025373 PMAQI
20th Aug 2025344 PMAQI
20th Aug 2025325 PMAQI
20th Aug 2025396 PMAQI
20th Aug 2025407 PMAQI
20th Aug 2025458 PMAQI
20th Aug 2025469 PMAQI
20th Aug 20254410 PMAQI
20th Aug 20255111 PMAQI
21st Aug 20255012 AMAQI
21st Aug 2025531 AMAQI
21st Aug 2025502 AMAQI
21st Aug 2025503 AMAQI
21st Aug 2025474 AMAQI
27°C24/32°C
21st Aug 2025495 AMAQI
21st Aug 2025476 AMAQI
21st Aug 2025557 AMAQI
21st Aug 2025448 AMAQI
21st Aug 2025549 AMAQI
21st Aug 20254910 AMAQI
21st Aug 20254611 AMAQI
21st Aug 20254212 PMAQI
21st Aug 2025411 PMAQI
21st Aug 2025412 PMAQI
21st Aug 2025363 PMAQI
21st Aug 2025424 PMAQI
21st Aug 2025405 PMAQI
21st Aug 2025436 PMAQI
21st Aug 2025477 PMAQI
21st Aug 2025528 PMAQI
21st Aug 2025529 PMAQI
21st Aug 20254810 PMAQI
21st Aug 20254711 PMAQI
22nd Aug 20255212 AMAQI
22nd Aug 2025541 AMAQI
22nd Aug 2025542 AMAQI
22nd Aug 2025523 AMAQI
22nd Aug 2025534 AMAQI
28°C25/32°C
22nd Aug 2025525 AMAQI
22nd Aug 2025526 AMAQI
22nd Aug 2025347 AMAQI
22nd Aug 2025408 AMAQI
22nd Aug 2025399 AMAQI
22nd Aug 20254310 AMAQI
22nd Aug 20254811 AMAQI
22nd Aug 20253412 PMAQI
22nd Aug 2025421 PMAQI
22nd Aug 2025312 PMAQI
22nd Aug 2025193 PMAQI
22nd Aug 2025394 PMAQI
22nd Aug 2025345 PMAQI
22nd Aug 2025446 PMAQI
22nd Aug 2025467 PMAQI
22nd Aug 2025498 PMAQI
22nd Aug 2025479 PMAQI
22nd Aug 20254410 PMAQI
22nd Aug 20254211 PMAQI
23rd Aug 20254812 AMAQI
23rd Aug 2025521 AMAQI
23rd Aug 2025512 AMAQI
23rd Aug 2025513 AMAQI
23rd Aug 2025504 AMAQI
27°C25/30°C
23rd Aug 2025505 AMAQI
23rd Aug 2025516 AMAQI
23rd Aug 2025357 AMAQI
23rd Aug 2025528 AMAQI
23rd Aug 2025339 AMAQI
23rd Aug 20253710 AMAQI
23rd Aug 20253711 AMAQI
23rd Aug 20253212 PMAQI
23rd Aug 2025281 PMAQI
23rd Aug 2025382 PMAQI
23rd Aug 2025293 PMAQI
23rd Aug 2025314 PMAQI
23rd Aug 2025345 PMAQI
23rd Aug 2025386 PMAQI
23rd Aug 2025407 PMAQI
23rd Aug 2025498 PMAQI
23rd Aug 2025559 PMAQI
23rd Aug 20255010 PMAQI
23rd Aug 20255211 PMAQI
24th Aug 20254512 AMAQI
24th Aug 2025481 AMAQI
24th Aug 2025462 AMAQI
24th Aug 2025463 AMAQI
24th Aug 2025474 AMAQI
28°C25/31°C
24th Aug 2025465 AMAQI
24th Aug 2025456 AMAQI
24th Aug 2025557 AMAQI
24th Aug 2025538 AMAQI
24th Aug 2025369 AMAQI
24th Aug 20253010 AMAQI
24th Aug 20254211 AMAQI
24th Aug 20253912 PMAQI
24th Aug 2025361 PMAQI
24th Aug 2025372 PMAQI
24th Aug 2025283 PMAQI
24th Aug 2025424 PMAQI
24th Aug 2025425 PMAQI
24th Aug 2025386 PMAQI
24th Aug 2025427 PMAQI
24th Aug 2025458 PMAQI
24th Aug 2025429 PMAQI
24th Aug 20254510 PMAQI
24th Aug 20254511 PMAQI
25th Aug 20253812 AMAQI
25th Aug 2025491 AMAQI
25th Aug 2025452 AMAQI
25th Aug 2025433 AMAQI
25th Aug 2025464 AMAQI
28°C24/32°C
25th Aug 2025465 AMAQI
25th Aug 2025466 AMAQI
25th Aug 2025207 AMAQI
25th Aug 2025298 AMAQI
25th Aug 2025269 AMAQI
25th Aug 20253310 AMAQI
25th Aug 20253311 AMAQI
25th Aug 20252712 PMAQI
25th Aug 2025251 PMAQI
25th Aug 2025272 PMAQI
25th Aug 2025253 PMAQI
25th Aug 2025284 PMAQI
25th Aug 2025225 PMAQI
25th Aug 2025426 PMAQI
25th Aug 2025347 PMAQI
25th Aug 2025358 PMAQI
25th Aug 2025309 PMAQI
25th Aug 20253210 PMAQI
25th Aug 20253711 PMAQI
26th Aug 20254512 AMAQI
26th Aug 2025441 AMAQI
26th Aug 2025412 AMAQI
26th Aug 2025403 AMAQI
26th Aug 2025394 AMAQI
25°C23/31°C
26th Aug 2025405 AMAQI
26th Aug 2025426 AMAQI
26th Aug 2025347 AMAQI
26th Aug 2025278 AMAQI
26th Aug 2025169 AMAQI
26th Aug 20252310 AMAQI
26th Aug 20252311 AMAQI
26th Aug 20253112 PMAQI
26th Aug 2025261 PMAQI
26th Aug 2025232 PMAQI
26th Aug 2025243 PMAQI
26th Aug 2025154 PMAQI
26th Aug 2025325 PMAQI
26th Aug 2025286 PMAQI
26th Aug 2025347 PMAQI
26th Aug 2025348 PMAQI
26th Aug 2025329 PMAQI
26th Aug 20252310 PMAQI
26th Aug 20253711 PMAQI
27th Aug 20254212 AMAQI
27th Aug 2025441 AMAQI
27th Aug 2025392 AMAQI
27th Aug 2025403 AMAQI
27th Aug 2025394 AMAQI
24°C23/25°C
27th Aug 2025415 AMAQI
27th Aug 2025416 AMAQI
27th Aug 2025407 AMAQI
27th Aug 2025348 AMAQI
27th Aug 2025389 AMAQI
27th Aug 20253310 AMAQI
27th Aug 20254011 AMAQI
27th Aug 20252912 PMAQI
27th Aug 2025281 PMAQI
27th Aug 2025382 PMAQI
27th Aug 2025323 PMAQI
27th Aug 2025324 PMAQI
27th Aug 2025395 PMAQI
27th Aug 2025406 PMAQI
27th Aug 2025347 PMAQI
27th Aug 2025488 PMAQI
27th Aug 2025419 PMAQI
27th Aug 20254210 PMAQI
27th Aug 20254711 PMAQI
28th Aug 20254512 AMAQI
28th Aug 2025441 AMAQI
28th Aug 2025422 AMAQI
28th Aug 2025433 AMAQI
28th Aug 2025414 AMAQI
25°C23/27°C
28th Aug 2025435 AMAQI
28th Aug 2025426 AMAQI
28th Aug 2025527 AMAQI
28th Aug 2025518 AMAQI
28th Aug 2025529 AMAQI
28th Aug 20254210 AMAQI
28th Aug 20253911 AMAQI
28th Aug 20254412 PMAQI
28th Aug 2025421 PMAQI
28th Aug 2025412 PMAQI
28th Aug 2025413 PMAQI
28th Aug 2025454 PMAQI
28th Aug 2025425 PMAQI
28th Aug 2025446 PMAQI
28th Aug 2025497 PMAQI
28th Aug 2025508 PMAQI
28th Aug 2025509 PMAQI
28th Aug 20254510 PMAQI
28th Aug 20254011 PMAQI
29th Aug 20254112 AMAQI
29th Aug 2025481 AMAQI
29th Aug 2025482 AMAQI
29th Aug 2025483 AMAQI
29th Aug 2025474 AMAQI
26°C22/31°C
29th Aug 2025495 AMAQI
29th Aug 2025476 AMAQI
29th Aug 2025457 AMAQI
29th Aug 2025438 AMAQI
29th Aug 2025419 AMAQI
29th Aug 20254410 AMAQI
29th Aug 20254811 AMAQI
29th Aug 20254612 PMAQI
29th Aug 2025371 PMAQI
29th Aug 2025482 PMAQI
29th Aug 2025313 PMAQI
29th Aug 2025264 PMAQI
29th Aug 2025365 PMAQI
29th Aug 2025446 PMAQI
29th Aug 2025457 PMAQI
29th Aug 2025458 PMAQI
29th Aug 2025379 PMAQI
29th Aug 20254010 PMAQI
29th Aug 20254611 PMAQI
30th Aug 20254512 AMAQI
30th Aug 2025491 AMAQI
30th Aug 2025502 AMAQI
30th Aug 2025493 AMAQI
30th Aug 2025484 AMAQI
27°C23/32°C
30th Aug 2025475 AMAQI
30th Aug 2025486 AMAQI
30th Aug 2025237 AMAQI
30th Aug 2025408 AMAQI
30th Aug 2025329 AMAQI
30th Aug 20253210 AMAQI
30th Aug 20253111 AMAQI
30th Aug 20253512 PMAQI
30th Aug 2025281 PMAQI
30th Aug 2025322 PMAQI
30th Aug 2025283 PMAQI
30th Aug 2025324 PMAQI
30th Aug 2025275 PMAQI
30th Aug 2025406 PMAQI
30th Aug 2025377 PMAQI
30th Aug 2025458 PMAQI
30th Aug 2025399 PMAQI
30th Aug 20254410 PMAQI
30th Aug 20253611 PMAQI
31st Aug 20254212 AMAQI
31st Aug 2025491 AMAQI
31st Aug 2025482 AMAQI
31st Aug 2025443 AMAQI
31st Aug 2025474 AMAQI
26°C24/31°C
31st Aug 2025455 AMAQI
31st Aug 2025456 AMAQI
31st Aug 2025337 AMAQI
31st Aug 2025348 AMAQI
31st Aug 2025259 AMAQI
31st Aug 20253210 AMAQI
31st Aug 20254211 AMAQI
31st Aug 20253612 PMAQI
31st Aug 2025281 PMAQI
31st Aug 2025262 PMAQI
31st Aug 2025353 PMAQI
31st Aug 2025264 PMAQI
31st Aug 2025365 PMAQI
31st Aug 2025356 PMAQI
31st Aug 2025467 PMAQI
31st Aug 2025438 PMAQI
31st Aug 2025409 PMAQI
31st Aug 20254210 PMAQI
31st Aug 20254411 PMAQI
1st Sep 20253912 AMAQI
1st Sep 2025411 AMAQI
1st Sep 2025462 AMAQI
1st Sep 2025443 AMAQI
1st Sep 2025474 AMAQI
26°C23/31°C
1st Sep 2025485 AMAQI
1st Sep 2025486 AMAQI
1st Sep 2025417 AMAQI
1st Sep 2025388 AMAQI
1st Sep 2025499 AMAQI
1st Sep 20254710 AMAQI
1st Sep 20253911 AMAQI
1st Sep 20253212 PMAQI
1st Sep 2025381 PMAQI
1st Sep 2025402 PMAQI
1st Sep 2025323 PMAQI
1st Sep 2025284 PMAQI
1st Sep 2025265 PMAQI
1st Sep 2025426 PMAQI
1st Sep 2025407 PMAQI
1st Sep 2025448 PMAQI
1st Sep 2025459 PMAQI
1st Sep 20253810 PMAQI
1st Sep 20254111 PMAQI
2nd Sep 20254012 AMAQI
2nd Sep 2025401 AMAQI
2nd Sep 2025442 AMAQI
2nd Sep 2025463 AMAQI
2nd Sep 2025454 AMAQI
27°C24/31°C
2nd Sep 2025465 AMAQI
2nd Sep 2025466 AMAQI
2nd Sep 2025417 AMAQI
2nd Sep 2025468 AMAQI
2nd Sep 2025389 AMAQI
2nd Sep 20252610 AMAQI
2nd Sep 20253511 AMAQI
2nd Sep 20254312 PMAQI
2nd Sep 2025401 PMAQI
2nd Sep 2025362 PMAQI
2nd Sep 2025413 PMAQI
2nd Sep 2025434 PMAQI
2nd Sep 2025305 PMAQI
2nd Sep 2025426 PMAQI
2nd Sep 2025427 PMAQI
2nd Sep 2025448 PMAQI
2nd Sep 2025419 PMAQI
2nd Sep 20254410 PMAQI
2nd Sep 20254211 PMAQI
3rd Sep 20254412 AMAQI
3rd Sep 2025451 AMAQI
3rd Sep 2025482 AMAQI
3rd Sep 2025453 AMAQI
3rd Sep 2025454 AMAQI
28°C24/33°C
3rd Sep 2025475 AMAQI
3rd Sep 2025456 AMAQI
3rd Sep 2025367 AMAQI
3rd Sep 2025478 AMAQI
3rd Sep 2025389 AMAQI
3rd Sep 20254510 AMAQI
3rd Sep 20254211 AMAQI
3rd Sep 20254612 PMAQI
3rd Sep 2025371 PMAQI
3rd Sep 2025512 PMAQI
3rd Sep 2025423 PMAQI
3rd Sep 2025434 PMAQI
3rd Sep 2025345 PMAQI
3rd Sep 2025346 PMAQI
3rd Sep 2025397 PMAQI
3rd Sep 2025418 PMAQI
3rd Sep 2025469 PMAQI
3rd Sep 20254310 PMAQI
3rd Sep 20254211 PMAQI
4th Sep 20254812 AMAQI
4th Sep 2025451 AMAQI
4th Sep 2025472 AMAQI
4th Sep 2025483 AMAQI
4th Sep 2025464 AMAQI
28°C25/33°C
4th Sep 2025465 AMAQI
4th Sep 2025486 AMAQI
4th Sep 2025297 AMAQI
4th Sep 2025378 AMAQI
4th Sep 2025329 AMAQI
4th Sep 20254510 AMAQI
4th Sep 20254411 AMAQI
4th Sep 20252812 PMAQI
4th Sep 2025311 PMAQI
4th Sep 2025242 PMAQI
4th Sep 2025243 PMAQI
4th Sep 2025174 PMAQI
4th Sep 2025535 PMAQI
4th Sep 2025146 PMAQI
4th Sep 2025177 PMAQI
4th Sep 2025268 PMAQI
4th Sep 2025339 PMAQI
4th Sep 20253310 PMAQI
4th Sep 20253511 PMAQI
5th Sep 20254712 AMAQI
5th Sep 2025461 AMAQI
5th Sep 2025462 AMAQI
5th Sep 2025463 AMAQI
5th Sep 2025454 AMAQI
28°C24/33°C
5th Sep 2025435 AMAQI
5th Sep 2025456 AMAQI
5th Sep 2025357 AMAQI
5th Sep 2025498 AMAQI
5th Sep 2025369 AMAQI
5th Sep 20253810 AMAQI
5th Sep 20253211 AMAQI
5th Sep 20252712 PMAQI
5th Sep 2025281 PMAQI
5th Sep 2025442 PMAQI
5th Sep 2025323 PMAQI
5th Sep 2025404 PMAQI
5th Sep 2025345 PMAQI
5th Sep 2025346 PMAQI
5th Sep 2025477 PMAQI
5th Sep 2025498 PMAQI
5th Sep 2025519 PMAQI
5th Sep 20254910 PMAQI
5th Sep 20254811 PMAQI
6th Sep 20254712 AMAQI
6th Sep 2025461 AMAQI
6th Sep 2025452 AMAQI
6th Sep 2025443 AMAQI
6th Sep 2025444 AMAQI
29°C25/33°C
6th Sep 2025455 AMAQI
6th Sep 2025426 AMAQI
6th Sep 2025237 AMAQI
6th Sep 2025328 AMAQI
6th Sep 2025469 AMAQI
6th Sep 20253910 AMAQI
6th Sep 20254411 AMAQI
6th Sep 20252912 PMAQI
6th Sep 2025301 PMAQI
6th Sep 2025362 PMAQI
6th Sep 2025263 PMAQI
6th Sep 2025364 PMAQI
6th Sep 2025255 PMAQI
6th Sep 2025366 PMAQI
6th Sep 2025437 PMAQI
6th Sep 2025548 PMAQI
6th Sep 2025479 PMAQI
6th Sep 20254610 PMAQI
6th Sep 20254411 PMAQI
7th Sep 20254212 AMAQI
7th Sep 2025461 AMAQI
7th Sep 2025442 AMAQI
7th Sep 2025443 AMAQI
7th Sep 2025434 AMAQI
29°C24/33°C
7th Sep 2025445 AMAQI
7th Sep 2025446 AMAQI
7th Sep 2025247 AMAQI
7th Sep 2025458 AMAQI
7th Sep 2025479 AMAQI
7th Sep 20255610 AMAQI
7th Sep 20255611 AMAQI
7th Sep 20255712 PMAQI
7th Sep 2025541 PMAQI
7th Sep 2025522 PMAQI
7th Sep 2025453 PMAQI
7th Sep 2025474 PMAQI
7th Sep 2025495 PMAQI
7th Sep 2025476 PMAQI
7th Sep 2025517 PMAQI
7th Sep 2025578 PMAQI
7th Sep 2025659 PMAQI
7th Sep 20256810 PMAQI
7th Sep 20256711 PMAQI
8th Sep 20256212 AMAQI
8th Sep 2025641 AMAQI
8th Sep 2025542 AMAQI
8th Sep 2025493 AMAQI
8th Sep 2025484 AMAQI
29°C25/34°C
8th Sep 2025465 AMAQI
8th Sep 2025486 AMAQI
8th Sep 2025647 AMAQI
8th Sep 2025678 AMAQI
8th Sep 2025649 AMAQI
8th Sep 20257010 AMAQI
8th Sep 20256611 AMAQI
8th Sep 20255212 PMAQI
8th Sep 2025581 PMAQI
8th Sep 2025532 PMAQI
8th Sep 2025563 PMAQI
8th Sep 2025484 PMAQI
8th Sep 2025515 PMAQI
8th Sep 2025516 PMAQI
8th Sep 2025567 PMAQI
8th Sep 2025598 PMAQI
8th Sep 2025619 PMAQI
8th Sep 20255910 PMAQI
8th Sep 20257011 PMAQI
9th Sep 20255812 AMAQI
9th Sep 2025541 AMAQI
9th Sep 2025542 AMAQI
9th Sep 2025553 AMAQI
9th Sep 2025534 AMAQI
30°C25/35°C
9th Sep 2025555 AMAQI
9th Sep 2025556 AMAQI
9th Sep 2025527 AMAQI
9th Sep 2025548 AMAQI
9th Sep 2025529 AMAQI
9th Sep 20254410 AMAQI
9th Sep 20253611 AMAQI
9th Sep 20254112 PMAQI
9th Sep 2025291 PMAQI
9th Sep 2025242 PMAQI
9th Sep 2025333 PMAQI
9th Sep 2025274 PMAQI
9th Sep 2025325 PMAQI
9th Sep 2025366 PMAQI
9th Sep 2025427 PMAQI
9th Sep 2025458 PMAQI
9th Sep 2025489 PMAQI
9th Sep 20255010 PMAQI
9th Sep 20255411 PMAQI
10th Sep 20255212 AMAQI
10th Sep 2025541 AMAQI
10th Sep 2025522 AMAQI
10th Sep 2025523 AMAQI
10th Sep 2025524 AMAQI
27°C25/31°C
10th Sep 2025525 AMAQI
10th Sep 2025526 AMAQI
10th Sep 2025507 AMAQI
10th Sep 2025448 AMAQI
10th Sep 2025459 AMAQI
10th Sep 20254510 AMAQI
10th Sep 20254511 AMAQI
10th Sep 20254612 PMAQI
10th Sep 2025451 PMAQI
10th Sep 2025572 PMAQI
10th Sep 2025583 PMAQI
10th Sep 2025514 PMAQI
10th Sep 2025545 PMAQI
10th Sep 2025576 PMAQI
10th Sep 2025487 PMAQI
10th Sep 2025568 PMAQI
10th Sep 2025559 PMAQI
10th Sep 20254810 PMAQI
10th Sep 20254811 PMAQI
11th Sep 20255112 AMAQI
11th Sep 2025491 AMAQI
11th Sep 2025522 AMAQI
11th Sep 2025503 AMAQI
11th Sep 2025524 AMAQI
26°C24/30°C
11th Sep 2025525 AMAQI
11th Sep 2025526 AMAQI
11th Sep 2025287 AMAQI
11th Sep 2025258 AMAQI
11th Sep 2025359 AMAQI
11th Sep 20253710 AMAQI
11th Sep 20254011 AMAQI
11th Sep 20255712 PMAQI
11th Sep 2025311 PMAQI
11th Sep 2025382 PMAQI
11th Sep 2025263 PMAQI
11th Sep 2025354 PMAQI
11th Sep 2025305 PMAQI
11th Sep 2025386 PMAQI
11th Sep 2025537 PMAQI
11th Sep 2025468 PMAQI
11th Sep 2025479 PMAQI
11th Sep 20254810 PMAQI
11th Sep 20254811 PMAQI
12th Sep 20255012 AMAQI
12th Sep 2025521 AMAQI
12th Sep 2025502 AMAQI
12th Sep 2025493 AMAQI
12th Sep 2025504 AMAQI
28°C24/32°C
12th Sep 2025515 AMAQI
12th Sep 2025526 AMAQI
12th Sep 2025337 AMAQI
12th Sep 2025358 AMAQI
12th Sep 2025309 AMAQI
12th Sep 20253410 AMAQI
12th Sep 20252511 AMAQI
12th Sep 20253112 PMAQI
12th Sep 2025401 PMAQI
12th Sep 2025322 PMAQI
12th Sep 2025163 PMAQI
12th Sep 2025244 PMAQI
12th Sep 2025505 PMAQI
12th Sep 2025386 PMAQI
12th Sep 2025417 PMAQI
12th Sep 2025438 PMAQI
12th Sep 2025389 PMAQI
12th Sep 20254610 PMAQI
12th Sep 20254611 PMAQI
13th Sep 20254812 AMAQI
13th Sep 2025491 AMAQI
13th Sep 2025502 AMAQI
13th Sep 2025483 AMAQI
13th Sep 2025484 AMAQI
27°C24/32°C
13th Sep 2025485 AMAQI
13th Sep 2025486 AMAQI
13th Sep 2025327 AMAQI
13th Sep 2025428 AMAQI
13th Sep 2025329 AMAQI
13th Sep 20255010 AMAQI
13th Sep 20254011 AMAQI
13th Sep 20254412 PMAQI
13th Sep 2025261 PMAQI
13th Sep 2025322 PMAQI
13th Sep 2025213 PMAQI
13th Sep 2025364 PMAQI
13th Sep 2025225 PMAQI
13th Sep 2025396 PMAQI
13th Sep 2025467 PMAQI
13th Sep 2025468 PMAQI
13th Sep 2025479 PMAQI
13th Sep 20253810 PMAQI
13th Sep 20254311 PMAQI
14th Sep 20254712 AMAQI
14th Sep 2025471 AMAQI
14th Sep 2025442 AMAQI
14th Sep 2025433 AMAQI
14th Sep 2025434 AMAQI
28°C24/32°C
14th Sep 2025445 AMAQI
14th Sep 2025446 AMAQI
14th Sep 2025327 AMAQI
14th Sep 2025338 AMAQI
14th Sep 2025399 AMAQI
14th Sep 20253310 AMAQI
14th Sep 20253411 AMAQI
14th Sep 20253612 PMAQI
14th Sep 2025361 PMAQI
14th Sep 2025322 PMAQI
14th Sep 2025403 PMAQI
14th Sep 2025304 PMAQI
14th Sep 2025345 PMAQI
14th Sep 2025406 PMAQI
14th Sep 2025457 PMAQI
14th Sep 2025548 PMAQI
14th Sep 2025529 PMAQI
14th Sep 20255110 PMAQI
14th Sep 20255011 PMAQI
15th Sep 20255512 AMAQI
15th Sep 2025481 AMAQI
15th Sep 2025462 AMAQI
15th Sep 2025423 AMAQI
15th Sep 2025444 AMAQI
28°C24/32°C
15th Sep 2025445 AMAQI
15th Sep 2025436 AMAQI
15th Sep 2025387 AMAQI
15th Sep 2025398 AMAQI
15th Sep 2025509 AMAQI
15th Sep 20254210 AMAQI
15th Sep 20253711 AMAQI
15th Sep 20253312 PMAQI
15th Sep 2025431 PMAQI
15th Sep 2025382 PMAQI
15th Sep 2025343 PMAQI
15th Sep 2025374 PMAQI
15th Sep 2025385 PMAQI
15th Sep 2025396 PMAQI
15th Sep 2025437 PMAQI
15th Sep 2025428 PMAQI
15th Sep 2025429 PMAQI
15th Sep 20254410 PMAQI
15th Sep 20254211 PMAQI
16th Sep 20254812 AMAQI
16th Sep 2025471 AMAQI
16th Sep 2025482 AMAQI
16th Sep 2025433 AMAQI
16th Sep 2025444 AMAQI
27°C24/31°C
16th Sep 2025455 AMAQI
16th Sep 2025446 AMAQI
16th Sep 2025477 AMAQI
16th Sep 2025378 AMAQI
16th Sep 2025519 AMAQI
16th Sep 20253610 AMAQI
16th Sep 20254411 AMAQI
16th Sep 20253812 PMAQI
16th Sep 2025301 PMAQI
16th Sep 2025342 PMAQI
16th Sep 2025363 PMAQI
16th Sep 2025344 PMAQI
16th Sep 2025375 PMAQI
16th Sep 2025416 PMAQI
16th Sep 2025447 PMAQI
16th Sep 2025558 PMAQI
16th Sep 2025549 PMAQI
16th Sep 20255410 PMAQI
16th Sep 20255511 PMAQI
17th Sep 20255012 AMAQI
17th Sep 2025451 AMAQI
17th Sep 2025442 AMAQI
17th Sep 2025453 AMAQI
17th Sep 2025454 AMAQI
28°C24/33°C
17th Sep 2025475 AMAQI
17th Sep 2025476 AMAQI
17th Sep 2025527 AMAQI
17th Sep 2025528 AMAQI
17th Sep 2025489 AMAQI
17th Sep 20255610 AMAQI
17th Sep 20255211 AMAQI
17th Sep 20254612 PMAQI
17th Sep 2025481 PMAQI
17th Sep 2025482 PMAQI
17th Sep 2025503 PMAQI
17th Sep 2025434 PMAQI
17th Sep 2025435 PMAQI
17th Sep 2025446 PMAQI
17th Sep 2025447 PMAQI
17th Sep 2025478 PMAQI
17th Sep 2025489 PMAQI
17th Sep 20254710 PMAQI
17th Sep 20254911 PMAQI
18th Sep 20254912 AMAQI
18th Sep 2025511 AMAQI
18th Sep 2025502 AMAQI
18th Sep 2025493 AMAQI
18th Sep 2025494 AMAQI
27°C24/31°C
18th Sep 2025505 AMAQI
18th Sep 2025516 AMAQI
18th Sep 2025527 AMAQI
18th Sep 2025528 AMAQI
18th Sep 2025509 AMAQI
18th Sep 20254210 AMAQI
18th Sep 20253511 AMAQI
18th Sep 20253812 PMAQI
18th Sep 2025341 PMAQI
18th Sep 2025332 PMAQI
18th Sep 2025323 PMAQI
18th Sep 2025314 PMAQI
18th Sep 2025235 PMAQI
18th Sep 2025366 PMAQI
18th Sep 2025487 PMAQI
18th Sep 2025518 PMAQI
18th Sep 2025509 PMAQI
18th Sep 20255210 PMAQI
18th Sep 20255111 PMAQI
19th Sep 20255312 AMAQI
19th Sep 2025531 AMAQI
19th Sep 2025522 AMAQI
19th Sep 2025523 AMAQI
19th Sep 2025524 AMAQI
27°C24/30°C
19th Sep 2025525 AMAQI
5 AM19th Sep 2025526 AMAQI
19th Sep 2025537 AMAQI
11 AM
6 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 6 AM
47AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
3 PM - 5 PM
35AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 6 AM (Avg. 47), while the lowest AQI was between 3 PM to 5 PM (Avg. 35).
Night time
Avg. Highest Time
12 AM - 4 AM
47AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
7 PM
43AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 47), while the lowest AQI was between 7 PM to 7 PM (Avg. 43).
2025 Days Vs Air Quality
Viet Tri, Phu Tho, Vietnam
2025
21%
55
62%
162
14%
37
3%
7
Total number of days with different AQI categories in last 262 days in 2025 (103 days remaining)
Good
55 DaysModerate
162 DaysPoor
37 DaysUnhealthy
7 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 21%
Health Risk Level:
Very high
In 2025, 21% of 262 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
Viet Tri, Phu Tho, Vietnam
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
149AQI
149AQI
2nd January 2025
157AQI
157AQI
3rd January 2025
151AQI
151AQI
4th January 2025
151AQI
151AQI
5th January 2025
140AQI
140AQI
6th January 2025
151AQI
151AQI
7th January 2025
152AQI
152AQI
8th January 2025
147AQI
147AQI
9th January 2025
147AQI
147AQI
10th January 2025
95AQI
95AQI
11th January 2025
102AQI
102AQI
12th January 2025
104AQI
104AQI
13th January 2025
124AQI
124AQI
14th January 2025
128AQI
128AQI
15th January 2025
128AQI
128AQI
16th January 2025
133AQI
133AQI
17th January 2025
144AQI
144AQI
18th January 2025
151AQI
151AQI
19th January 2025
146AQI
146AQI
20th January 2025
160AQI
160AQI
21st January 2025
148AQI
148AQI
22nd January 2025
150AQI
150AQI
23rd January 2025
142AQI
142AQI
24th January 2025
125AQI
125AQI
25th January 2025
107AQI
107AQI
26th January 2025
65AQI
65AQI
27th January 2025
81AQI
81AQI
28th January 2025
75AQI
75AQI
29th January 2025
93AQI
93AQI
30th January 2025
86AQI
86AQI
31st January 2025
82AQI
82AQI
1st February 2025
79AQI
79AQI
2nd February 2025
68AQI
68AQI
3rd February 2025
54AQI
54AQI
4th February 2025
63AQI
63AQI
5th February 2025
92AQI
92AQI
6th February 2025
85AQI
85AQI
7th February 2025
54AQI
54AQI
8th February 2025
62AQI
62AQI
9th February 2025
80AQI
80AQI
10th February 2025
127AQI
127AQI
11th February 2025
137AQI
137AQI
12th February 2025
136AQI
136AQI
13th February 2025
128AQI
128AQI
14th February 2025
125AQI
125AQI
15th February 2025
131AQI
131AQI
16th February 2025
76AQI
76AQI
17th February 2025
85AQI
85AQI
18th February 2025
66AQI
66AQI
19th February 2025
79AQI
79AQI
20th February 2025
93AQI
93AQI
21st February 2025
92AQI
92AQI
22nd February 2025
108AQI
108AQI
23rd February 2025
57AQI
57AQI
24th February 2025
69AQI
69AQI
25th February 2025
82AQI
82AQI
26th February 2025
73AQI
73AQI
27th February 2025
99AQI
99AQI
28th February 2025
97AQI
97AQI
1st March 2025
97AQI
97AQI
2nd March 2025
86AQI
86AQI
3rd March 2025
87AQI
87AQI
4th March 2025
86AQI
86AQI
5th March 2025
93AQI
93AQI
6th March 2025
67AQI
67AQI
7th March 2025
70AQI
70AQI
8th March 2025
87AQI
87AQI
9th March 2025
110AQI
110AQI
10th March 2025
115AQI
115AQI
11th March 2025
105AQI
105AQI
12th March 2025
99AQI
99AQI
13th March 2025
89AQI
89AQI
14th March 2025
91AQI
91AQI
15th March 2025
80AQI
80AQI
16th March 2025
64AQI
64AQI
17th March 2025
83AQI
83AQI
18th March 2025
81AQI
81AQI
19th March 2025
81AQI
81AQI
20th March 2025
98AQI
98AQI
21st March 2025
121AQI
121AQI
22nd March 2025
120AQI
120AQI
23rd March 2025
134AQI
134AQI
24th March 2025
129AQI
129AQI
25th March 2025
137AQI
137AQI
26th March 2025
123AQI
123AQI
27th March 2025
111AQI
111AQI
28th March 2025
106AQI
106AQI
29th March 2025
74AQI
74AQI
30th March 2025
64AQI
64AQI
31st March 2025
63AQI
63AQI
1st April 2025
75AQI
75AQI
2nd April 2025
91AQI
91AQI
3rd April 2025
91AQI
91AQI
4th April 2025
95AQI
95AQI
5th April 2025
80AQI
80AQI
6th April 2025
104AQI
104AQI
7th April 2025
97AQI
97AQI
8th April 2025
111AQI
111AQI
9th April 2025
96AQI
96AQI
10th April 2025
95AQI
95AQI
11th April 2025
94AQI
94AQI
12th April 2025
95AQI
95AQI
13th April 2025
78AQI
78AQI
14th April 2025
86AQI
86AQI
15th April 2025
83AQI
83AQI
16th April 2025
91AQI
91AQI
17th April 2025
88AQI
88AQI
18th April 2025
90AQI
90AQI
19th April 2025
88AQI
88AQI
20th April 2025
74AQI
74AQI
21st April 2025
73AQI
73AQI
22nd April 2025
85AQI
85AQI
23rd April 2025
86AQI
86AQI
24th April 2025
78AQI
78AQI
25th April 2025
66AQI
66AQI
26th April 2025
73AQI
73AQI
27th April 2025
71AQI
71AQI
28th April 2025
61AQI
61AQI
29th April 2025
65AQI
65AQI
30th April 2025
74AQI
74AQI
1st May 2025
54AQI
54AQI
2nd May 2025
68AQI
68AQI
3rd May 2025
71AQI
71AQI
4th May 2025
70AQI
70AQI
5th May 2025
72AQI
72AQI
6th May 2025
71AQI
71AQI
7th May 2025
69AQI
69AQI
8th May 2025
72AQI
72AQI
9th May 2025
74AQI
74AQI
10th May 2025
71AQI
71AQI
11th May 2025
56AQI
56AQI
12th May 2025
64AQI
64AQI
13th May 2025
65AQI
65AQI
14th May 2025
66AQI
66AQI
15th May 2025
60AQI
60AQI
16th May 2025
60AQI
60AQI
17th May 2025
56AQI
56AQI
18th May 2025
54AQI
54AQI
19th May 2025
56AQI
56AQI
20th May 2025
58AQI
58AQI
21st May 2025
57AQI
57AQI
22nd May 2025
55AQI
55AQI
23rd May 2025
49AQI
49AQI
24th May 2025
47AQI
47AQI
25th May 2025
51AQI
51AQI
26th May 2025
61AQI
61AQI
27th May 2025
77AQI
77AQI
28th May 2025
77AQI
77AQI
29th May 2025
61AQI
61AQI
30th May 2025
59AQI
59AQI
31st May 2025
60AQI
60AQI
1st June 2025
54AQI
54AQI
2nd June 2025
55AQI
55AQI
3rd June 2025
55AQI
55AQI
4th June 2025
57AQI
57AQI
5th June 2025
63AQI
63AQI
6th June 2025
59AQI
59AQI
7th June 2025
60AQI
60AQI
8th June 2025
66AQI
66AQI
9th June 2025
65AQI
65AQI
10th June 2025
55AQI
55AQI
11th June 2025
59AQI
59AQI
12th June 2025
59AQI
59AQI
13th June 2025
53AQI
53AQI
14th June 2025
58AQI
58AQI
15th June 2025
68AQI
68AQI
16th June 2025
69AQI
69AQI
17th June 2025
67AQI
67AQI
18th June 2025
58AQI
58AQI
19th June 2025
59AQI
59AQI
20th June 2025
59AQI
59AQI
21st June 2025
51AQI
51AQI
22nd June 2025
54AQI
54AQI
23rd June 2025
52AQI
52AQI
24th June 2025
53AQI
53AQI
25th June 2025
47AQI
47AQI
26th June 2025
48AQI
48AQI
27th June 2025
52AQI
52AQI
28th June 2025
46AQI
46AQI
29th June 2025
49AQI
49AQI
30th June 2025
50AQI
50AQI
1st July 2025
43AQI
43AQI
2nd July 2025
39AQI
39AQI
3rd July 2025
47AQI
47AQI
4th July 2025
55AQI
55AQI
5th July 2025
56AQI
56AQI
6th July 2025
54AQI
54AQI
7th July 2025
59AQI
59AQI
8th July 2025
59AQI
59AQI
9th July 2025
62AQI
62AQI
10th July 2025
49AQI
49AQI
11th July 2025
49AQI
49AQI
12th July 2025
49AQI
49AQI
13th July 2025
50AQI
50AQI
14th July 2025
56AQI
56AQI
15th July 2025
57AQI
57AQI
16th July 2025
56AQI
56AQI
17th July 2025
53AQI
53AQI
18th July 2025
57AQI
57AQI
19th July 2025
60AQI
60AQI
20th July 2025
54AQI
54AQI
21st July 2025
54AQI
54AQI
22nd July 2025
43AQI
43AQI
23rd July 2025
40AQI
40AQI
24th July 2025
42AQI
42AQI
25th July 2025
51AQI
51AQI
26th July 2025
52AQI
52AQI
27th July 2025
54AQI
54AQI
28th July 2025
62AQI
62AQI
29th July 2025
61AQI
61AQI
30th July 2025
66AQI
66AQI
31st July 2025
55AQI
55AQI
1st August 2025
53AQI
53AQI
2nd August 2025
53AQI
53AQI
3rd August 2025
56AQI
56AQI
4th August 2025
53AQI
53AQI
5th August 2025
54AQI
54AQI
6th August 2025
52AQI
52AQI
7th August 2025
49AQI
49AQI
8th August 2025
50AQI
50AQI
9th August 2025
48AQI
48AQI
10th August 2025
48AQI
48AQI
11th August 2025
52AQI
52AQI
12th August 2025
51AQI
51AQI
13th August 2025
50AQI
50AQI
14th August 2025
54AQI
54AQI
15th August 2025
43AQI
43AQI
16th August 2025
42AQI
42AQI
17th August 2025
38AQI
38AQI
18th August 2025
37AQI
37AQI
19th August 2025
39AQI
39AQI
20th August 2025
42AQI
42AQI
21st August 2025
47AQI
47AQI
22nd August 2025
44AQI
44AQI
23rd August 2025
44AQI
44AQI
24th August 2025
43AQI
43AQI
25th August 2025
35AQI
35AQI
26th August 2025
32AQI
32AQI
27th August 2025
39AQI
39AQI
28th August 2025
45AQI
45AQI
29th August 2025
43AQI
43AQI
30th August 2025
39AQI
39AQI
31st August 2025
39AQI
39AQI
1st September 2025
41AQI
41AQI
2nd September 2025
41AQI
41AQI
3rd September 2025
42AQI
42AQI
4th September 2025
35AQI
35AQI
5th September 2025
42AQI
42AQI
6th September 2025
41AQI
41AQI
7th September 2025
50AQI
50AQI
8th September 2025
57AQI
57AQI
9th September 2025
46AQI
46AQI
10th September 2025
51AQI
51AQI
11th September 2025
44AQI
44AQI
12th September 2025
41AQI
41AQI
13th September 2025
41AQI
41AQI
14th September 2025
42AQI
42AQI
15th September 2025
42AQI
42AQI
16th September 2025
44AQI
44AQI
17th September 2025
47AQI
47AQI
18th September 2025
47AQI
47AQI
19th September 2025
20th September 2025
21st September 2025
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
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
126AQI
89AQI
95AQI
84AQI
63AQI
57AQI
53AQI
46AQI
44AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202574AQI
7
17
7
21
7
20
11
28
2
2
29
5
25
10
21
22
9
16
2
55
162
37
7
Highest AQI recorded in
January126AQI
Lowest AQI recorded in
September44AQI
202451AQI
10
13
15
13
9
19
3
10
20
31
29
1
31
27
4
26
3
1
14
12
5
2
21
7
16
11
4
204
122
27
4
Highest AQI recorded in
December113AQI
Lowest AQI recorded in
July23AQI
202342AQI
25
14
12
10
7
2
4
19
7
25
6
28
2
31
31
23
1
21
9
10
16
3
10
19
2
234
82
19
2
Highest AQI recorded in
April80AQI
Lowest AQI recorded in
January8AQI
202224AQI
17
13
1
22
30
1
29
31
29
21
1
1
10
17
30
30
25
275
14
1
18
Highest AQI recorded in
September114AQI
Lowest AQI recorded in
December6AQI
202137AQI
27
4
11
16
1
16
4
28
27
29
1
30
31
25
28
3
14
12
4
5
19
7
271
59
12
Highest AQI recorded in
December78AQI
Lowest AQI recorded in
January22AQI
202029AQI
9
4
15
6
15
23
2
31
27
29
1
27
1
22
8
20
10
218
32
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
August13AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
74AQILeast Polluted Year Recorded
2022(Avg.)
24AQIViet Tri's annual 2025 AQI (74) shows an average percentage change of 116.7% (worsened AQI) compared to previous years: 2020 (29), 2021 (37), 2022 (24), 2023 (42), 2024 (51).
