Lao Cai, Lao Cai, 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+
August Air Quality Analysis
Lao Cai, Lao Cai, Vietnam
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
25th Aug 2021
141AQILowest AQI recorded on
4th Aug 2021
2AQISame Day Analysis (17th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 50 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 17th Aug - 18th Aug 2025
Lao Cai, Lao Cai, Vietnam
AQI
Day
Night
.
5 AM17th Aug 2025
6 PM
4 AM18th Aug 2025
Day time
Avg. Highest Time
10AM17th Aug
55AQI
Avg. Lowest Time
3PM17th Aug
34AQI
Night time
Avg. Highest Time
11PM17th Aug
54AQI
Avg. Lowest Time
7PM17th Aug
45AQI
In the last 24 hours,
Lao Cai's AQI reached its highest point of 55 at 10 AM during the Day, while the lowest point, 34, was recorded at 3 PM during the Day between 17th Aug and 18th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Lao Cai, Lao Cai, Vietnam
JulAug
19th - 20th20th - 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
Day
Night
19th Jul 2025585 AMAQI
19th Jul 2025596 AMAQI
19th Jul 2025697 AMAQI
19th Jul 2025708 AMAQI
19th Jul 2025689 AMAQI
19th Jul 20256610 AMAQI
19th Jul 20256611 AMAQI
19th Jul 20256112 PMAQI
19th Jul 2025591 PMAQI
19th Jul 2025562 PMAQI
19th Jul 2025583 PMAQI
19th Jul 2025574 PMAQI
19th Jul 2025555 PMAQI
19th Jul 2025576 PMAQI
19th Jul 2025587 PMAQI
19th Jul 2025598 PMAQI
19th Jul 2025609 PMAQI
19th Jul 20255610 PMAQI
19th Jul 20255711 PMAQI
20th Jul 20255812 AMAQI
20th Jul 2025601 AMAQI
20th Jul 2025622 AMAQI
20th Jul 2025633 AMAQI
20th Jul 2025634 AMAQI
27°C23/32°C
20th Jul 2025635 AMAQI
20th Jul 2025636 AMAQI
20th Jul 2025577 AMAQI
20th Jul 2025528 AMAQI
20th Jul 2025529 AMAQI
20th Jul 20255510 AMAQI
20th Jul 20255111 AMAQI
20th Jul 20255312 PMAQI
20th Jul 2025521 PMAQI
20th Jul 2025502 PMAQI
20th Jul 2025493 PMAQI
20th Jul 2025524 PMAQI
20th Jul 2025525 PMAQI
20th Jul 2025536 PMAQI
20th Jul 2025547 PMAQI
20th Jul 2025558 PMAQI
20th Jul 2025569 PMAQI
20th Jul 20255610 PMAQI
20th Jul 20255511 PMAQI
21st Jul 20255812 AMAQI
21st Jul 2025601 AMAQI
21st Jul 2025592 AMAQI
21st Jul 2025583 AMAQI
21st Jul 2025574 AMAQI
27°C23/33°C
21st Jul 2025585 AMAQI
21st Jul 2025586 AMAQI
21st Jul 2025517 AMAQI
21st Jul 2025508 AMAQI
21st Jul 2025549 AMAQI
21st Jul 20255410 AMAQI
21st Jul 20255211 AMAQI
21st Jul 20255112 PMAQI
21st Jul 2025491 PMAQI
21st Jul 2025452 PMAQI
21st Jul 2025423 PMAQI
21st Jul 2025474 PMAQI
21st Jul 2025485 PMAQI
21st Jul 2025486 PMAQI
21st Jul 2025547 PMAQI
21st Jul 2025548 PMAQI
21st Jul 2025539 PMAQI
21st Jul 20255210 PMAQI
21st Jul 20255311 PMAQI
22nd Jul 20255612 AMAQI
22nd Jul 2025581 AMAQI
22nd Jul 2025572 AMAQI
22nd Jul 2025563 AMAQI
22nd Jul 2025564 AMAQI
26°C22/31°C
22nd Jul 2025565 AMAQI
22nd Jul 2025566 AMAQI
22nd Jul 2025417 AMAQI
22nd Jul 2025388 AMAQI
22nd Jul 2025409 AMAQI
22nd Jul 20254010 AMAQI
22nd Jul 20254311 AMAQI
22nd Jul 20254312 PMAQI
22nd Jul 2025381 PMAQI
22nd Jul 2025402 PMAQI
22nd Jul 2025453 PMAQI
22nd Jul 2025374 PMAQI
22nd Jul 2025365 PMAQI
22nd Jul 2025466 PMAQI
22nd Jul 2025517 PMAQI
22nd Jul 2025528 PMAQI
22nd Jul 2025529 PMAQI
22nd Jul 20255210 PMAQI
22nd Jul 20255311 PMAQI
23rd Jul 20255312 AMAQI
23rd Jul 2025551 AMAQI
23rd Jul 2025552 AMAQI
23rd Jul 2025533 AMAQI
23rd Jul 2025544 AMAQI
24°C21/25°C
23rd Jul 2025535 AMAQI
23rd Jul 2025536 AMAQI
23rd Jul 2025397 AMAQI
23rd Jul 2025328 AMAQI
23rd Jul 2025279 AMAQI
23rd Jul 20253110 AMAQI
23rd Jul 20253711 AMAQI
23rd Jul 20253712 PMAQI
23rd Jul 2025381 PMAQI
23rd Jul 2025382 PMAQI
23rd Jul 2025353 PMAQI
23rd Jul 2025334 PMAQI
23rd Jul 2025395 PMAQI
23rd Jul 2025456 PMAQI
23rd Jul 2025507 PMAQI
23rd Jul 2025518 PMAQI
23rd Jul 2025509 PMAQI
23rd Jul 20254910 PMAQI
23rd Jul 20255011 PMAQI
24th Jul 20255212 AMAQI
24th Jul 2025531 AMAQI
24th Jul 2025532 AMAQI
24th Jul 2025523 AMAQI
24th Jul 2025524 AMAQI
25°C21/28°C
24th Jul 2025525 AMAQI
24th Jul 2025526 AMAQI
24th Jul 2025427 AMAQI
24th Jul 2025468 AMAQI
24th Jul 2025429 AMAQI
24th Jul 20254510 AMAQI
24th Jul 20254011 AMAQI
24th Jul 20253912 PMAQI
24th Jul 2025461 PMAQI
24th Jul 2025512 PMAQI
24th Jul 2025503 PMAQI
24th Jul 2025474 PMAQI
24th Jul 2025465 PMAQI
24th Jul 2025476 PMAQI
24th Jul 2025537 PMAQI
24th Jul 2025548 PMAQI
24th Jul 2025539 PMAQI
24th Jul 20255410 PMAQI
24th Jul 20255211 PMAQI
25th Jul 20255312 AMAQI
25th Jul 2025521 AMAQI
25th Jul 2025522 AMAQI
25th Jul 2025523 AMAQI
25th Jul 2025524 AMAQI
24°C21/27°C
25th Jul 2025515 AMAQI
25th Jul 2025516 AMAQI
25th Jul 2025577 AMAQI
25th Jul 2025598 AMAQI
25th Jul 2025619 AMAQI
25th Jul 20256010 AMAQI
25th Jul 20256011 AMAQI
25th Jul 20255712 PMAQI
25th Jul 2025581 PMAQI
25th Jul 2025532 PMAQI
25th Jul 2025563 PMAQI
25th Jul 2025544 PMAQI
25th Jul 2025575 PMAQI
25th Jul 2025566 PMAQI
25th Jul 2025587 PMAQI
25th Jul 2025568 PMAQI
25th Jul 2025549 PMAQI
25th Jul 20255310 PMAQI
25th Jul 20255211 PMAQI
26th Jul 20255312 AMAQI
26th Jul 2025541 AMAQI
26th Jul 2025532 AMAQI
26th Jul 2025543 AMAQI
26th Jul 2025544 AMAQI
24°C21/27°C
26th Jul 2025545 AMAQI
26th Jul 2025546 AMAQI
26th Jul 2025537 AMAQI
26th Jul 2025558 AMAQI
26th Jul 2025569 AMAQI
26th Jul 20255910 AMAQI
26th Jul 20255611 AMAQI
26th Jul 20255512 PMAQI
26th Jul 2025561 PMAQI
26th Jul 2025562 PMAQI
26th Jul 2025543 PMAQI
26th Jul 2025544 PMAQI
26th Jul 2025545 PMAQI
26th Jul 2025576 PMAQI
26th Jul 2025547 PMAQI
26th Jul 2025588 PMAQI
26th Jul 2025579 PMAQI
26th Jul 20255610 PMAQI
26th Jul 20255511 PMAQI
27th Jul 20255312 AMAQI
27th Jul 2025541 AMAQI
27th Jul 2025542 AMAQI
27th Jul 2025543 AMAQI
27th Jul 2025544 AMAQI
25°C21/28°C
27th Jul 2025545 AMAQI
27th Jul 2025546 AMAQI
27th Jul 2025567 AMAQI
27th Jul 2025558 AMAQI
27th Jul 2025559 AMAQI
27th Jul 20255210 AMAQI
27th Jul 20255011 AMAQI
27th Jul 20255012 PMAQI
27th Jul 2025521 PMAQI
27th Jul 2025522 PMAQI
27th Jul 2025573 PMAQI
27th Jul 2025554 PMAQI
27th Jul 2025525 PMAQI
27th Jul 2025596 PMAQI
27th Jul 2025577 PMAQI
27th Jul 2025568 PMAQI
27th Jul 2025579 PMAQI
27th Jul 20255610 PMAQI
27th Jul 20256011 PMAQI
28th Jul 20255712 AMAQI
28th Jul 2025541 AMAQI
28th Jul 2025542 AMAQI
28th Jul 2025543 AMAQI
28th Jul 2025544 AMAQI
25°C20/29°C
28th Jul 2025545 AMAQI
28th Jul 2025546 AMAQI
28th Jul 2025607 AMAQI
28th Jul 2025598 AMAQI
28th Jul 2025609 AMAQI
28th Jul 20256010 AMAQI
28th Jul 20256111 AMAQI
28th Jul 20256112 PMAQI
28th Jul 2025631 PMAQI
28th Jul 2025642 PMAQI
28th Jul 2025623 PMAQI
28th Jul 2025624 PMAQI
28th Jul 2025625 PMAQI
28th Jul 2025626 PMAQI
28th Jul 2025617 PMAQI
28th Jul 2025628 PMAQI
28th Jul 2025669 PMAQI
28th Jul 20256610 PMAQI
28th Jul 20256111 PMAQI
29th Jul 20255612 AMAQI
29th Jul 2025551 AMAQI
29th Jul 2025572 AMAQI
29th Jul 2025583 AMAQI
29th Jul 2025574 AMAQI
26°C22/31°C
29th Jul 2025585 AMAQI
29th Jul 2025586 AMAQI
29th Jul 2025577 AMAQI
29th Jul 2025578 AMAQI
29th Jul 2025569 AMAQI
29th Jul 20255410 AMAQI
29th Jul 20255411 AMAQI
29th Jul 20255812 PMAQI
29th Jul 2025581 PMAQI
29th Jul 2025612 PMAQI
29th Jul 2025613 PMAQI
29th Jul 2025614 PMAQI
29th Jul 2025605 PMAQI
29th Jul 2025606 PMAQI
29th Jul 2025607 PMAQI
29th Jul 2025598 PMAQI
29th Jul 2025599 PMAQI
29th Jul 20256110 PMAQI
29th Jul 20256011 PMAQI
30th Jul 20256112 AMAQI
30th Jul 2025601 AMAQI
30th Jul 2025602 AMAQI
30th Jul 2025623 AMAQI
30th Jul 2025634 AMAQI
28°C24/33°C
30th Jul 2025625 AMAQI
30th Jul 2025636 AMAQI
30th Jul 2025647 AMAQI
30th Jul 2025658 AMAQI
30th Jul 2025679 AMAQI
30th Jul 20256810 AMAQI
30th Jul 20256811 AMAQI
30th Jul 20257112 PMAQI
30th Jul 2025711 PMAQI
30th Jul 2025692 PMAQI
30th Jul 2025713 PMAQI
30th Jul 2025694 PMAQI
30th Jul 2025675 PMAQI
30th Jul 2025646 PMAQI
30th Jul 2025617 PMAQI
30th Jul 2025628 PMAQI
30th Jul 2025609 PMAQI
30th Jul 20255910 PMAQI
30th Jul 20255911 PMAQI
31st Jul 20255812 AMAQI
31st Jul 2025591 AMAQI
31st Jul 2025602 AMAQI
31st Jul 2025603 AMAQI
31st Jul 2025604 AMAQI
27°C24/32°C
31st Jul 2025605 AMAQI
31st Jul 2025606 AMAQI
31st Jul 2025607 AMAQI
31st Jul 2025608 AMAQI
31st Jul 2025609 AMAQI
31st Jul 20256410 AMAQI
31st Jul 20255911 AMAQI
31st Jul 20255912 PMAQI
31st Jul 2025581 PMAQI
31st Jul 2025552 PMAQI
31st Jul 2025543 PMAQI
31st Jul 2025544 PMAQI
31st Jul 2025545 PMAQI
31st Jul 2025566 PMAQI
31st Jul 2025607 PMAQI
31st Jul 2025608 PMAQI
31st Jul 2025609 PMAQI
31st Jul 20256210 PMAQI
31st Jul 20256111 PMAQI
1st Aug 20255912 AMAQI
1st Aug 2025591 AMAQI
1st Aug 2025572 AMAQI
1st Aug 2025573 AMAQI
1st Aug 2025574 AMAQI
26°C21/30°C
1st Aug 2025585 AMAQI
1st Aug 2025576 AMAQI
1st Aug 2025577 AMAQI
1st Aug 2025628 AMAQI
1st Aug 2025609 AMAQI
1st Aug 20255810 AMAQI
1st Aug 20255711 AMAQI
1st Aug 20255512 PMAQI
1st Aug 2025531 PMAQI
1st Aug 2025552 PMAQI
1st Aug 2025563 PMAQI
1st Aug 2025534 PMAQI
1st Aug 2025545 PMAQI
1st Aug 2025546 PMAQI
1st Aug 2025597 PMAQI
1st Aug 2025608 PMAQI
1st Aug 2025599 PMAQI
1st Aug 20255910 PMAQI
1st Aug 20255811 PMAQI
2nd Aug 20255812 AMAQI
2nd Aug 2025581 AMAQI
2nd Aug 2025582 AMAQI
2nd Aug 2025573 AMAQI
2nd Aug 2025574 AMAQI
25°C19/31°C
2nd Aug 2025575 AMAQI
2nd Aug 2025586 AMAQI
2nd Aug 2025557 AMAQI
2nd Aug 2025558 AMAQI
2nd Aug 2025569 AMAQI
2nd Aug 20255510 AMAQI
2nd Aug 20255011 AMAQI
2nd Aug 20255512 PMAQI
2nd Aug 2025501 PMAQI
2nd Aug 2025492 PMAQI
2nd Aug 2025513 PMAQI
2nd Aug 2025504 PMAQI
2nd Aug 2025535 PMAQI
2nd Aug 2025596 PMAQI
2nd Aug 2025577 PMAQI
2nd Aug 2025578 PMAQI
2nd Aug 2025599 PMAQI
2nd Aug 20255810 PMAQI
2nd Aug 20255811 PMAQI
3rd Aug 20255812 AMAQI
3rd Aug 2025581 AMAQI
3rd Aug 2025572 AMAQI
3rd Aug 2025573 AMAQI
3rd Aug 2025574 AMAQI
26°C22/31°C
3rd Aug 2025575 AMAQI
3rd Aug 2025576 AMAQI
3rd Aug 2025577 AMAQI
3rd Aug 2025568 AMAQI
3rd Aug 2025619 AMAQI
3rd Aug 20256110 AMAQI
3rd Aug 20256211 AMAQI
3rd Aug 20255912 PMAQI
3rd Aug 2025561 PMAQI
3rd Aug 2025522 PMAQI
3rd Aug 2025553 PMAQI
3rd Aug 2025594 PMAQI
3rd Aug 2025555 PMAQI
3rd Aug 2025556 PMAQI
3rd Aug 2025577 PMAQI
3rd Aug 2025608 PMAQI
3rd Aug 2025619 PMAQI
3rd Aug 20255910 PMAQI
3rd Aug 20255811 PMAQI
4th Aug 20255812 AMAQI
4th Aug 2025571 AMAQI
4th Aug 2025572 AMAQI
4th Aug 2025573 AMAQI
4th Aug 2025564 AMAQI
28°C24/33°C
4th Aug 2025575 AMAQI
4th Aug 2025576 AMAQI
4th Aug 2025587 AMAQI
4th Aug 2025538 AMAQI
4th Aug 2025569 AMAQI
4th Aug 20256010 AMAQI
4th Aug 20256411 AMAQI
4th Aug 20256212 PMAQI
4th Aug 2025601 PMAQI
4th Aug 2025632 PMAQI
4th Aug 2025593 PMAQI
4th Aug 2025594 PMAQI
4th Aug 2025585 PMAQI
4th Aug 2025586 PMAQI
4th Aug 2025587 PMAQI
4th Aug 2025588 PMAQI
4th Aug 2025589 PMAQI
4th Aug 20255710 PMAQI
4th Aug 20255711 PMAQI
5th Aug 20255712 AMAQI
5th Aug 2025571 AMAQI
5th Aug 2025572 AMAQI
5th Aug 2025573 AMAQI
5th Aug 2025584 AMAQI
28°C23/32°C
5th Aug 2025585 AMAQI
5th Aug 2025576 AMAQI
5th Aug 2025517 AMAQI
5th Aug 2025548 AMAQI
5th Aug 2025599 AMAQI
5th Aug 20255810 AMAQI
5th Aug 20255811 AMAQI
5th Aug 20255812 PMAQI
5th Aug 2025561 PMAQI
5th Aug 2025592 PMAQI
5th Aug 2025603 PMAQI
5th Aug 2025574 PMAQI
5th Aug 2025585 PMAQI
5th Aug 2025586 PMAQI
5th Aug 2025587 PMAQI
5th Aug 2025588 PMAQI
5th Aug 2025579 PMAQI
5th Aug 20255710 PMAQI
5th Aug 20255711 PMAQI
6th Aug 20255712 AMAQI
6th Aug 2025571 AMAQI
6th Aug 2025562 AMAQI
6th Aug 2025573 AMAQI
6th Aug 2025564 AMAQI
25°C21/30°C
6th Aug 2025565 AMAQI
6th Aug 2025566 AMAQI
6th Aug 2025557 AMAQI
6th Aug 2025588 AMAQI
6th Aug 2025569 AMAQI
6th Aug 20255510 AMAQI
6th Aug 20255811 AMAQI
6th Aug 20255212 PMAQI
6th Aug 2025551 PMAQI
6th Aug 2025522 PMAQI
6th Aug 2025483 PMAQI
6th Aug 2025424 PMAQI
6th Aug 2025445 PMAQI
6th Aug 2025506 PMAQI
6th Aug 2025527 PMAQI
6th Aug 2025548 PMAQI
6th Aug 2025539 PMAQI
6th Aug 20255510 PMAQI
6th Aug 20255511 PMAQI
7th Aug 20255612 AMAQI
7th Aug 2025561 AMAQI
7th Aug 2025552 AMAQI
7th Aug 2025553 AMAQI
7th Aug 2025554 AMAQI
24°C20/26°C
7th Aug 2025565 AMAQI
7th Aug 2025556 AMAQI
7th Aug 2025457 AMAQI
7th Aug 2025478 AMAQI
7th Aug 2025559 AMAQI
7th Aug 20255510 AMAQI
7th Aug 20255011 AMAQI
7th Aug 20254512 PMAQI
7th Aug 2025381 PMAQI
7th Aug 2025382 PMAQI
7th Aug 2025413 PMAQI
7th Aug 2025474 PMAQI
7th Aug 2025445 PMAQI
7th Aug 2025496 PMAQI
7th Aug 2025527 PMAQI
7th Aug 2025518 PMAQI
7th Aug 2025529 PMAQI
7th Aug 20255210 PMAQI
7th Aug 20255311 PMAQI
8th Aug 20255412 AMAQI
8th Aug 2025551 AMAQI
8th Aug 2025552 AMAQI
8th Aug 2025543 AMAQI
8th Aug 2025544 AMAQI
22°C20/24°C
8th Aug 2025545 AMAQI
8th Aug 2025546 AMAQI
8th Aug 2025567 AMAQI
8th Aug 2025568 AMAQI
8th Aug 2025619 AMAQI
8th Aug 20256310 AMAQI
8th Aug 20255911 AMAQI
8th Aug 20255612 PMAQI
8th Aug 2025571 PMAQI
8th Aug 2025602 PMAQI
8th Aug 2025533 PMAQI
8th Aug 2025514 PMAQI
8th Aug 2025465 PMAQI
8th Aug 2025486 PMAQI
8th Aug 2025527 PMAQI
8th Aug 2025528 PMAQI
8th Aug 2025539 PMAQI
8th Aug 20255310 PMAQI
8th Aug 20255111 PMAQI
9th Aug 20255312 AMAQI
9th Aug 2025541 AMAQI
9th Aug 2025542 AMAQI
9th Aug 2025543 AMAQI
9th Aug 2025544 AMAQI
26°C22/30°C
9th Aug 2025545 AMAQI
9th Aug 2025546 AMAQI
9th Aug 2025517 AMAQI
9th Aug 2025478 AMAQI
9th Aug 2025419 AMAQI
9th Aug 20254310 AMAQI
9th Aug 20254711 AMAQI
9th Aug 20254612 PMAQI
9th Aug 2025501 PMAQI
9th Aug 2025482 PMAQI
9th Aug 2025513 PMAQI
9th Aug 2025494 PMAQI
9th Aug 2025485 PMAQI
9th Aug 2025436 PMAQI
9th Aug 2025487 PMAQI
9th Aug 2025528 PMAQI
9th Aug 2025569 PMAQI
9th Aug 20255410 PMAQI
9th Aug 20255311 PMAQI
10th Aug 20255212 AMAQI
10th Aug 2025541 AMAQI
10th Aug 2025542 AMAQI
10th Aug 2025533 AMAQI
10th Aug 2025534 AMAQI
26°C21/31°C
10th Aug 2025535 AMAQI
10th Aug 2025536 AMAQI
10th Aug 2025457 AMAQI
10th Aug 2025368 AMAQI
10th Aug 2025339 AMAQI
10th Aug 20254010 AMAQI
10th Aug 20254711 AMAQI
10th Aug 20254812 PMAQI
10th Aug 2025421 PMAQI
10th Aug 2025462 PMAQI
10th Aug 2025383 PMAQI
10th Aug 2025404 PMAQI
10th Aug 2025365 PMAQI
10th Aug 2025506 PMAQI
10th Aug 2025467 PMAQI
10th Aug 2025528 PMAQI
10th Aug 2025529 PMAQI
10th Aug 20255110 PMAQI
10th Aug 20255011 PMAQI
11th Aug 20255412 AMAQI
11th Aug 2025541 AMAQI
11th Aug 2025542 AMAQI
11th Aug 2025523 AMAQI
11th Aug 2025544 AMAQI
25°C21/29°C
11th Aug 2025545 AMAQI
11th Aug 2025546 AMAQI
11th Aug 2025537 AMAQI
11th Aug 2025528 AMAQI
11th Aug 2025519 AMAQI
11th Aug 20254710 AMAQI
11th Aug 20254411 AMAQI
11th Aug 20253912 PMAQI
11th Aug 2025521 PMAQI
11th Aug 2025542 PMAQI
11th Aug 2025573 PMAQI
11th Aug 2025544 PMAQI
11th Aug 2025565 PMAQI
11th Aug 2025566 PMAQI
11th Aug 2025557 PMAQI
11th Aug 2025538 PMAQI
11th Aug 2025589 PMAQI
11th Aug 20255710 PMAQI
11th Aug 20255611 PMAQI
12th Aug 20255312 AMAQI
12th Aug 2025541 AMAQI
12th Aug 2025552 AMAQI
12th Aug 2025543 AMAQI
12th Aug 2025554 AMAQI
25°C21/28°C
12th Aug 2025545 AMAQI
12th Aug 2025546 AMAQI
12th Aug 2025567 AMAQI
12th Aug 2025568 AMAQI
12th Aug 2025559 AMAQI
12th Aug 20256210 AMAQI
12th Aug 20255811 AMAQI
12th Aug 20255612 PMAQI
12th Aug 2025621 PMAQI
12th Aug 2025582 PMAQI
12th Aug 2025563 PMAQI
12th Aug 2025524 PMAQI
12th Aug 2025485 PMAQI
12th Aug 2025526 PMAQI
12th Aug 2025527 PMAQI
12th Aug 2025558 PMAQI
12th Aug 2025589 PMAQI
12th Aug 20255810 PMAQI
12th Aug 20255711 PMAQI
13th Aug 20255612 AMAQI
13th Aug 2025541 AMAQI
13th Aug 2025532 AMAQI
13th Aug 2025543 AMAQI
13th Aug 2025544 AMAQI
25°C21/28°C
13th Aug 2025535 AMAQI
13th Aug 2025546 AMAQI
13th Aug 2025577 AMAQI
13th Aug 2025548 AMAQI
13th Aug 2025659 AMAQI
13th Aug 20255910 AMAQI
13th Aug 20255411 AMAQI
13th Aug 20255412 PMAQI
13th Aug 2025541 PMAQI
13th Aug 2025522 PMAQI
13th Aug 2025563 PMAQI
13th Aug 2025564 PMAQI
13th Aug 2025575 PMAQI
13th Aug 2025536 PMAQI
13th Aug 2025587 PMAQI
13th Aug 2025568 PMAQI
13th Aug 2025579 PMAQI
13th Aug 20255810 PMAQI
13th Aug 20255811 PMAQI
14th Aug 20255412 AMAQI
14th Aug 2025521 AMAQI
14th Aug 2025532 AMAQI
14th Aug 2025543 AMAQI
14th Aug 2025544 AMAQI
25°C22/29°C
14th Aug 2025535 AMAQI
14th Aug 2025536 AMAQI
14th Aug 2025577 AMAQI
14th Aug 2025608 AMAQI
14th Aug 2025579 AMAQI
14th Aug 20255810 AMAQI
14th Aug 20255811 AMAQI
14th Aug 20255912 PMAQI
14th Aug 2025621 PMAQI
14th Aug 2025642 PMAQI
14th Aug 2025623 PMAQI
14th Aug 2025594 PMAQI
14th Aug 2025625 PMAQI
14th Aug 2025616 PMAQI
14th Aug 2025587 PMAQI
14th Aug 2025598 PMAQI
14th Aug 2025599 PMAQI
14th Aug 20255610 PMAQI
14th Aug 20255711 PMAQI
15th Aug 20255512 AMAQI
15th Aug 2025551 AMAQI
15th Aug 2025542 AMAQI
15th Aug 2025543 AMAQI
15th Aug 2025544 AMAQI
26°C23/31°C
15th Aug 2025545 AMAQI
15th Aug 2025546 AMAQI
15th Aug 2025447 AMAQI
15th Aug 2025448 AMAQI
15th Aug 2025549 AMAQI
15th Aug 20255510 AMAQI
15th Aug 20254711 AMAQI
15th Aug 20255012 PMAQI
15th Aug 2025531 PMAQI
15th Aug 2025492 PMAQI
15th Aug 2025513 PMAQI
15th Aug 2025494 PMAQI
15th Aug 2025505 PMAQI
15th Aug 2025506 PMAQI
15th Aug 2025557 PMAQI
15th Aug 2025578 PMAQI
15th Aug 2025549 PMAQI
15th Aug 20255510 PMAQI
15th Aug 20255411 PMAQI
16th Aug 20255512 AMAQI
16th Aug 2025551 AMAQI
16th Aug 2025542 AMAQI
16th Aug 2025553 AMAQI
16th Aug 2025554 AMAQI
22°C19/24°C
16th Aug 2025555 AMAQI
16th Aug 2025556 AMAQI
16th Aug 2025567 AMAQI
16th Aug 2025588 AMAQI
16th Aug 2025569 AMAQI
16th Aug 20256210 AMAQI
16th Aug 20255211 AMAQI
16th Aug 20255112 PMAQI
16th Aug 2025501 PMAQI
16th Aug 2025502 PMAQI
16th Aug 2025523 PMAQI
16th Aug 2025554 PMAQI
16th Aug 2025545 PMAQI
16th Aug 2025586 PMAQI
16th Aug 2025547 PMAQI
16th Aug 2025538 PMAQI
16th Aug 2025549 PMAQI
16th Aug 20255410 PMAQI
16th Aug 20255411 PMAQI
17th Aug 20255312 AMAQI
17th Aug 2025531 AMAQI
17th Aug 2025532 AMAQI
17th Aug 2025543 AMAQI
17th Aug 2025524 AMAQI
22°C19/25°C
17th Aug 2025525 AMAQI
17th Aug 2025536 AMAQI
17th Aug 2025397 AMAQI
17th Aug 2025398 AMAQI
17th Aug 2025509 AMAQI
17th Aug 20255510 AMAQI
17th Aug 20254911 AMAQI
17th Aug 20254212 PMAQI
17th Aug 2025411 PMAQI
17th Aug 2025452 PMAQI
17th Aug 2025343 PMAQI
17th Aug 2025384 PMAQI
17th Aug 2025415 PMAQI
17th Aug 2025486 PMAQI
17th Aug 2025457 PMAQI
17th Aug 2025518 PMAQI
17th Aug 2025499 PMAQI
17th Aug 20255210 PMAQI
17th Aug 20255411 PMAQI
18th Aug 20255412 AMAQI
18th Aug 2025531 AMAQI
18th Aug 2025532 AMAQI
18th Aug 2025523 AMAQI
18th Aug 2025494 AMAQI
24°C20/29°C
18th Aug 2025515 AMAQI
5 AM18th Aug 2025516 AMAQI
18th Aug 2025507 AMAQI
18th Aug 2025488 AMAQI
11 AM
6 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 6 AM
56AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
7 AM - 6 PM
53AQI
12 hours / Day
360 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 6 AM (Avg. 56), while the lowest AQI was between 7 AM to 6 PM (Avg. 53).
Night time
Avg. Highest Time
12 AM - 11 PM
56AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM - 11 PM
56AQI
10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 56), while the lowest AQI was between 12 AM to 11 PM (Avg. 56).
2025 Days Vs Air Quality
Lao Cai, Lao Cai, Vietnam
2025
6%
14
76%
174
17%
38
1%
3
Total number of days with different AQI categories in last 230 days in 2025 (135 days remaining)
Good
14 DaysModerate
174 DaysPoor
38 DaysUnhealthy
3 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 6%
Health Risk Level:
Extreme
In 2025, 6% of 230 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
Lao Cai, Lao Cai, 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.
1st January 2025
125AQI
125AQI
2nd January 2025
97AQI
97AQI
3rd January 2025
109AQI
109AQI
4th January 2025
145AQI
145AQI
5th January 2025
139AQI
139AQI
6th January 2025
151AQI
151AQI
7th January 2025
147AQI
147AQI
8th January 2025
151AQI
151AQI
9th January 2025
138AQI
138AQI
10th January 2025
92AQI
92AQI
11th January 2025
95AQI
95AQI
12th January 2025
99AQI
99AQI
13th January 2025
118AQI
118AQI
14th January 2025
127AQI
127AQI
15th January 2025
128AQI
128AQI
16th January 2025
113AQI
113AQI
17th January 2025
137AQI
137AQI
18th January 2025
145AQI
145AQI
19th January 2025
146AQI
146AQI
20th January 2025
151AQI
151AQI
21st January 2025
145AQI
145AQI
22nd January 2025
140AQI
140AQI
23rd January 2025
142AQI
142AQI
24th January 2025
124AQI
124AQI
25th January 2025
114AQI
114AQI
26th January 2025
76AQI
76AQI
27th January 2025
79AQI
79AQI
28th January 2025
80AQI
80AQI
29th January 2025
108AQI
108AQI
30th January 2025
99AQI
99AQI
31st January 2025
103AQI
103AQI
1st February 2025
114AQI
114AQI
2nd February 2025
102AQI
102AQI
3rd February 2025
73AQI
73AQI
4th February 2025
77AQI
77AQI
5th February 2025
100AQI
100AQI
6th February 2025
86AQI
86AQI
7th February 2025
64AQI
64AQI
8th February 2025
72AQI
72AQI
9th February 2025
81AQI
81AQI
10th February 2025
117AQI
117AQI
11th February 2025
129AQI
129AQI
12th February 2025
120AQI
120AQI
13th February 2025
110AQI
110AQI
14th February 2025
126AQI
126AQI
15th February 2025
106AQI
106AQI
16th February 2025
103AQI
103AQI
17th February 2025
92AQI
92AQI
18th February 2025
82AQI
82AQI
19th February 2025
90AQI
90AQI
20th February 2025
93AQI
93AQI
21st February 2025
78AQI
78AQI
22nd February 2025
87AQI
87AQI
23rd February 2025
59AQI
59AQI
24th February 2025
65AQI
65AQI
25th February 2025
76AQI
76AQI
26th February 2025
64AQI
64AQI
27th February 2025
89AQI
89AQI
28th February 2025
91AQI
91AQI
1st March 2025
86AQI
86AQI
2nd March 2025
92AQI
92AQI
3rd March 2025
94AQI
94AQI
4th March 2025
98AQI
98AQI
5th March 2025
101AQI
101AQI
6th March 2025
77AQI
77AQI
7th March 2025
75AQI
75AQI
8th March 2025
83AQI
83AQI
9th March 2025
85AQI
85AQI
10th March 2025
98AQI
98AQI
11th March 2025
92AQI
92AQI
12th March 2025
89AQI
89AQI
13th March 2025
84AQI
84AQI
14th March 2025
89AQI
89AQI
15th March 2025
77AQI
77AQI
16th March 2025
68AQI
68AQI
17th March 2025
81AQI
81AQI
18th March 2025
69AQI
69AQI
19th March 2025
79AQI
79AQI
20th March 2025
84AQI
84AQI
21st March 2025
104AQI
104AQI
22nd March 2025
116AQI
116AQI
23rd March 2025
115AQI
115AQI
24th March 2025
131AQI
131AQI
25th March 2025
126AQI
126AQI
26th March 2025
115AQI
115AQI
27th March 2025
113AQI
113AQI
28th March 2025
101AQI
101AQI
29th March 2025
89AQI
89AQI
30th March 2025
66AQI
66AQI
31st March 2025
66AQI
66AQI
1st April 2025
74AQI
74AQI
2nd April 2025
88AQI
88AQI
3rd April 2025
85AQI
85AQI
4th April 2025
83AQI
83AQI
5th April 2025
100AQI
100AQI
6th April 2025
87AQI
87AQI
7th April 2025
86AQI
86AQI
8th April 2025
82AQI
82AQI
9th April 2025
75AQI
75AQI
10th April 2025
73AQI
73AQI
11th April 2025
71AQI
71AQI
12th April 2025
69AQI
69AQI
13th April 2025
84AQI
84AQI
14th April 2025
91AQI
91AQI
15th April 2025
91AQI
91AQI
16th April 2025
89AQI
89AQI
17th April 2025
80AQI
80AQI
18th April 2025
76AQI
76AQI
19th April 2025
73AQI
73AQI
20th April 2025
68AQI
68AQI
21st April 2025
64AQI
64AQI
22nd April 2025
68AQI
68AQI
23rd April 2025
70AQI
70AQI
24th April 2025
67AQI
67AQI
25th April 2025
63AQI
63AQI
26th April 2025
65AQI
65AQI
27th April 2025
62AQI
62AQI
28th April 2025
61AQI
61AQI
29th April 2025
65AQI
65AQI
30th April 2025
64AQI
64AQI
1st May 2025
63AQI
63AQI
2nd May 2025
71AQI
71AQI
3rd May 2025
66AQI
66AQI
4th May 2025
69AQI
69AQI
5th May 2025
68AQI
68AQI
6th May 2025
73AQI
73AQI
7th May 2025
73AQI
73AQI
8th May 2025
76AQI
76AQI
9th May 2025
76AQI
76AQI
10th May 2025
68AQI
68AQI
11th May 2025
62AQI
62AQI
12th May 2025
68AQI
68AQI
13th May 2025
78AQI
78AQI
14th May 2025
71AQI
71AQI
15th May 2025
64AQI
64AQI
16th May 2025
62AQI
62AQI
17th May 2025
59AQI
59AQI
18th May 2025
61AQI
61AQI
19th May 2025
69AQI
69AQI
20th May 2025
71AQI
71AQI
21st May 2025
76AQI
76AQI
22nd May 2025
62AQI
62AQI
23rd May 2025
67AQI
67AQI
24th May 2025
64AQI
64AQI
25th May 2025
79AQI
79AQI
26th May 2025
86AQI
86AQI
27th May 2025
88AQI
88AQI
28th May 2025
85AQI
85AQI
29th May 2025
78AQI
78AQI
30th May 2025
63AQI
63AQI
31st May 2025
77AQI
77AQI
1st June 2025
62AQI
62AQI
2nd June 2025
62AQI
62AQI
3rd June 2025
57AQI
57AQI
4th June 2025
60AQI
60AQI
5th June 2025
58AQI
58AQI
6th June 2025
56AQI
56AQI
7th June 2025
54AQI
54AQI
8th June 2025
54AQI
54AQI
9th June 2025
55AQI
55AQI
10th June 2025
52AQI
52AQI
11th June 2025
55AQI
55AQI
12th June 2025
52AQI
52AQI
13th June 2025
49AQI
49AQI
14th June 2025
50AQI
50AQI
15th June 2025
54AQI
54AQI
16th June 2025
52AQI
52AQI
17th June 2025
51AQI
51AQI
18th June 2025
53AQI
53AQI
19th June 2025
53AQI
53AQI
20th June 2025
54AQI
54AQI
21st June 2025
49AQI
49AQI
22nd June 2025
45AQI
45AQI
23rd June 2025
48AQI
48AQI
24th June 2025
51AQI
51AQI
25th June 2025
50AQI
50AQI
26th June 2025
53AQI
53AQI
27th June 2025
54AQI
54AQI
28th June 2025
52AQI
52AQI
29th June 2025
50AQI
50AQI
30th June 2025
51AQI
51AQI
1st July 2025
48AQI
48AQI
2nd July 2025
47AQI
47AQI
3rd July 2025
53AQI
53AQI
4th July 2025
55AQI
55AQI
5th July 2025
57AQI
57AQI
6th July 2025
56AQI
56AQI
7th July 2025
60AQI
60AQI
8th July 2025
57AQI
57AQI
9th July 2025
60AQI
60AQI
10th July 2025
56AQI
56AQI
11th July 2025
54AQI
54AQI
12th July 2025
53AQI
53AQI
13th July 2025
55AQI
55AQI
14th July 2025
55AQI
55AQI
15th July 2025
56AQI
56AQI
16th July 2025
54AQI
54AQI
17th July 2025
56AQI
56AQI
18th July 2025
58AQI
58AQI
19th July 2025
59AQI
59AQI
20th July 2025
56AQI
56AQI
21st July 2025
54AQI
54AQI
22nd July 2025
49AQI
49AQI
23rd July 2025
46AQI
46AQI
24th July 2025
50AQI
50AQI
25th July 2025
55AQI
55AQI
26th July 2025
55AQI
55AQI
27th July 2025
55AQI
55AQI
28th July 2025
59AQI
59AQI
29th July 2025
58AQI
58AQI
30th July 2025
64AQI
64AQI
31st July 2025
59AQI
59AQI
1st August 2025
58AQI
58AQI
2nd August 2025
56AQI
56AQI
3rd August 2025
58AQI
58AQI
4th August 2025
58AQI
58AQI
5th August 2025
57AQI
57AQI
6th August 2025
54AQI
54AQI
7th August 2025
51AQI
51AQI
8th August 2025
54AQI
54AQI
9th August 2025
51AQI
51AQI
10th August 2025
48AQI
48AQI
11th August 2025
53AQI
53AQI
12th August 2025
55AQI
55AQI
13th August 2025
56AQI
56AQI
14th August 2025
57AQI
57AQI
15th August 2025
53AQI
53AQI
16th August 2025
54AQI
54AQI
17th August 2025
50AQI
50AQI
121AQI
91AQI
92AQI
76AQI
71AQI
53AQI
55AQI
54AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202578AQI
8
20
3
19
9
22
9
30
31
7
23
5
26
2
15
14
174
38
3
Highest AQI recorded in
January121AQI
Lowest AQI recorded in
June53AQI
202457AQI
12
11
10
14
2
6
18
7
7
14
7
2
16
13
14
16
29
2
31
27
3
23
8
5
23
2
1
15
13
2
181
137
31
4
Highest AQI recorded in
December100AQI
Lowest AQI recorded in
August31AQI
202340AQI
12
11
16
4
22
4
3
18
6
2
17
13
1
25
4
1
29
27
4
22
8
16
13
25
4
20
10
1
249
81
8
Highest AQI recorded in
January50AQI
Lowest AQI recorded in
July24AQI
202280AQI
24
19
4
23
7
5
25
28
2
13
14
3
17
7
1
2
1
3
1
20
4
4
1
15
9
30
20
9
185
73
3
2
35
13
Highest AQI recorded in
October291AQI
Lowest AQI recorded in
January7AQI
202148AQI
2
12
11
6
4
7
10
7
14
6
10
10
12
4
2
1
24
2
1
17
2
1
1
5
25
1
3
28
1
2
23
1
4
2
31
30
29
237
41
40
23
5
5
Highest AQI recorded in
January110AQI
Lowest AQI recorded in
November4AQI
202051AQI
2
1
1
18
11
27
4
18
10
2
13
18
59
52
14
Highest AQI recorded in
August93AQI
Lowest AQI recorded in
October11AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
80AQILeast Polluted Year Recorded
2023(Avg.)
40AQILao Cai's annual 2025 AQI (78) shows an average percentage change of 48.6% (worsened AQI) compared to previous years: 2020 (51), 2021 (48), 2022 (80), 2023 (40), 2024 (57).
