Quang Ninh Gan KCN Cai Lan, Ha Long, Quang Ninh, 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
Quang Ninh Gan KCN Cai Lan, Ha Long, Quang Ninh, Vietnam
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2021
89AQILowest AQI recorded on
11th Aug 2021
12AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 54 of Moderate air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Quang Ninh Gan KCN Cai Lan, Ha Long, Quang Ninh, Vietnam
AQI
Day
Night
.
5 AM2nd Aug 2025
6 PM
4 AM3rd Aug 2025
Day time
Avg. Highest Time
5PM2nd Aug
59AQI
Avg. Lowest Time
11AM2nd Aug
44AQI
Night time
Avg. Highest Time
9PM2nd Aug
60AQI
Avg. Lowest Time
4AM3rd Aug
54AQI
In the last 24 hours,
Quang Ninh Gan KCN Cai Lan's AQI reached its highest point of 60 at 9 PM during the Night, while the lowest point, 44, was recorded at 11 AM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Quang Ninh Gan KCN Cai Lan, Ha Long, Quang Ninh, Vietnam
JulAug
04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd
Day
Night
4th Jul 2025475 AMAQI
4th Jul 2025466 AMAQI
4th Jul 2025647 AMAQI
4th Jul 2025728 AMAQI
4th Jul 2025729 AMAQI
4th Jul 20257110 AMAQI
4th Jul 20256111 AMAQI
4th Jul 20255712 PMAQI
4th Jul 2025541 PMAQI
4th Jul 2025522 PMAQI
4th Jul 2025563 PMAQI
4th Jul 2025514 PMAQI
4th Jul 2025485 PMAQI
4th Jul 2025506 PMAQI
4th Jul 2025497 PMAQI
4th Jul 2025508 PMAQI
4th Jul 2025509 PMAQI
4th Jul 20255210 PMAQI
4th Jul 20255011 PMAQI
5th Jul 20254612 AMAQI
5th Jul 2025461 AMAQI
5th Jul 2025482 AMAQI
5th Jul 2025473 AMAQI
5th Jul 2025464 AMAQI
27°C25/31°C
5th Jul 2025435 AMAQI
5th Jul 2025456 AMAQI
5th Jul 2025557 AMAQI
5th Jul 2025558 AMAQI
5th Jul 2025549 AMAQI
5th Jul 20255410 AMAQI
5th Jul 20255311 AMAQI
5th Jul 20255912 PMAQI
5th Jul 2025631 PMAQI
5th Jul 2025632 PMAQI
5th Jul 2025653 PMAQI
5th Jul 2025654 PMAQI
5th Jul 2025665 PMAQI
5th Jul 2025656 PMAQI
5th Jul 2025607 PMAQI
5th Jul 2025618 PMAQI
5th Jul 2025619 PMAQI
5th Jul 20255810 PMAQI
5th Jul 20255611 PMAQI
6th Jul 20255012 AMAQI
6th Jul 2025501 AMAQI
6th Jul 2025462 AMAQI
6th Jul 2025493 AMAQI
6th Jul 2025484 AMAQI
28°C25/32°C
6th Jul 2025485 AMAQI
6th Jul 2025486 AMAQI
6th Jul 2025527 AMAQI
6th Jul 2025588 AMAQI
6th Jul 2025579 AMAQI
6th Jul 20255610 AMAQI
6th Jul 20255611 AMAQI
6th Jul 20255612 PMAQI
6th Jul 2025601 PMAQI
6th Jul 2025552 PMAQI
6th Jul 2025533 PMAQI
6th Jul 2025524 PMAQI
6th Jul 2025505 PMAQI
6th Jul 2025466 PMAQI
6th Jul 2025527 PMAQI
6th Jul 2025548 PMAQI
6th Jul 2025569 PMAQI
6th Jul 20255610 PMAQI
6th Jul 20255511 PMAQI
7th Jul 20255212 AMAQI
7th Jul 2025491 AMAQI
7th Jul 2025502 AMAQI
7th Jul 2025523 AMAQI
7th Jul 2025524 AMAQI
29°C26/32°C
7th Jul 2025525 AMAQI
7th Jul 2025526 AMAQI
7th Jul 2025737 AMAQI
7th Jul 2025688 AMAQI
7th Jul 2025739 AMAQI
7th Jul 20258110 AMAQI
7th Jul 20256811 AMAQI
7th Jul 20256012 PMAQI
7th Jul 2025561 PMAQI
7th Jul 2025582 PMAQI
7th Jul 2025583 PMAQI
7th Jul 2025584 PMAQI
7th Jul 2025575 PMAQI
7th Jul 2025566 PMAQI
7th Jul 2025567 PMAQI
7th Jul 2025568 PMAQI
7th Jul 2025579 PMAQI
7th Jul 20255810 PMAQI
7th Jul 20256111 PMAQI
8th Jul 20255412 AMAQI
8th Jul 2025511 AMAQI
8th Jul 2025522 AMAQI
8th Jul 2025543 AMAQI
8th Jul 2025544 AMAQI
29°C26/32°C
8th Jul 2025545 AMAQI
8th Jul 2025546 AMAQI
8th Jul 2025607 AMAQI
8th Jul 2025578 AMAQI
8th Jul 2025579 AMAQI
8th Jul 20255610 AMAQI
8th Jul 20255611 AMAQI
8th Jul 20255412 PMAQI
8th Jul 2025541 PMAQI
8th Jul 2025532 PMAQI
8th Jul 2025543 PMAQI
8th Jul 2025534 PMAQI
8th Jul 2025525 PMAQI
8th Jul 2025546 PMAQI
8th Jul 2025557 PMAQI
8th Jul 2025608 PMAQI
8th Jul 2025679 PMAQI
8th Jul 20256010 PMAQI
8th Jul 20256311 PMAQI
9th Jul 20256012 AMAQI
9th Jul 2025531 AMAQI
9th Jul 2025532 AMAQI
9th Jul 2025533 AMAQI
9th Jul 2025534 AMAQI
29°C26/33°C
9th Jul 2025525 AMAQI
9th Jul 2025526 AMAQI
9th Jul 2025607 AMAQI
9th Jul 2025648 AMAQI
9th Jul 2025649 AMAQI
9th Jul 20256310 AMAQI
9th Jul 20255811 AMAQI
9th Jul 20256012 PMAQI
9th Jul 2025581 PMAQI
9th Jul 2025602 PMAQI
9th Jul 2025603 PMAQI
9th Jul 2025634 PMAQI
9th Jul 2025645 PMAQI
9th Jul 2025596 PMAQI
9th Jul 2025547 PMAQI
9th Jul 2025588 PMAQI
9th Jul 2025629 PMAQI
9th Jul 20256210 PMAQI
9th Jul 20256211 PMAQI
10th Jul 20255712 AMAQI
10th Jul 2025541 AMAQI
10th Jul 2025542 AMAQI
10th Jul 2025543 AMAQI
10th Jul 2025554 AMAQI
30°C27/34°C
10th Jul 2025555 AMAQI
10th Jul 2025556 AMAQI
10th Jul 2025497 AMAQI
10th Jul 2025448 AMAQI
10th Jul 2025429 AMAQI
10th Jul 20254910 AMAQI
10th Jul 20255511 AMAQI
10th Jul 20255612 PMAQI
10th Jul 2025561 PMAQI
10th Jul 2025542 PMAQI
10th Jul 2025503 PMAQI
10th Jul 2025524 PMAQI
10th Jul 2025515 PMAQI
10th Jul 2025506 PMAQI
10th Jul 2025527 PMAQI
10th Jul 2025568 PMAQI
10th Jul 2025609 PMAQI
10th Jul 20256410 PMAQI
10th Jul 20256211 PMAQI
11th Jul 20255912 AMAQI
11th Jul 2025541 AMAQI
11th Jul 2025542 AMAQI
11th Jul 2025533 AMAQI
11th Jul 2025544 AMAQI
29°C26/33°C
11th Jul 2025525 AMAQI
11th Jul 2025536 AMAQI
11th Jul 2025427 AMAQI
11th Jul 2025428 AMAQI
11th Jul 2025529 AMAQI
11th Jul 20255610 AMAQI
11th Jul 20255811 AMAQI
11th Jul 20255712 PMAQI
11th Jul 2025571 PMAQI
11th Jul 2025552 PMAQI
11th Jul 2025523 PMAQI
11th Jul 2025534 PMAQI
11th Jul 2025505 PMAQI
11th Jul 2025526 PMAQI
11th Jul 2025517 PMAQI
11th Jul 2025548 PMAQI
11th Jul 2025559 PMAQI
11th Jul 20255410 PMAQI
11th Jul 20255811 PMAQI
12th Jul 20255912 AMAQI
12th Jul 2025541 AMAQI
12th Jul 2025542 AMAQI
12th Jul 2025533 AMAQI
12th Jul 2025534 AMAQI
28°C26/31°C
12th Jul 2025535 AMAQI
12th Jul 2025526 AMAQI
12th Jul 2025547 AMAQI
12th Jul 2025548 AMAQI
12th Jul 2025549 AMAQI
12th Jul 20255610 AMAQI
12th Jul 20256011 AMAQI
12th Jul 20256412 PMAQI
12th Jul 2025631 PMAQI
12th Jul 2025662 PMAQI
12th Jul 2025603 PMAQI
12th Jul 2025584 PMAQI
12th Jul 2025595 PMAQI
12th Jul 2025606 PMAQI
12th Jul 2025567 PMAQI
12th Jul 2025548 PMAQI
12th Jul 2025549 PMAQI
12th Jul 20255610 PMAQI
12th Jul 20256011 PMAQI
13th Jul 20256212 AMAQI
13th Jul 2025541 AMAQI
13th Jul 2025542 AMAQI
13th Jul 2025543 AMAQI
13th Jul 2025544 AMAQI
28°C25/32°C
13th Jul 2025545 AMAQI
13th Jul 2025536 AMAQI
13th Jul 2025647 AMAQI
13th Jul 2025768 AMAQI
13th Jul 2025779 AMAQI
13th Jul 20258410 AMAQI
13th Jul 20258011 AMAQI
13th Jul 20257012 PMAQI
13th Jul 2025671 PMAQI
13th Jul 2025662 PMAQI
13th Jul 2025723 PMAQI
13th Jul 2025664 PMAQI
13th Jul 2025645 PMAQI
13th Jul 2025686 PMAQI
13th Jul 2025657 PMAQI
13th Jul 2025678 PMAQI
13th Jul 2025649 PMAQI
13th Jul 20256410 PMAQI
13th Jul 20257311 PMAQI
14th Jul 20257612 AMAQI
14th Jul 2025541 AMAQI
14th Jul 2025552 AMAQI
14th Jul 2025553 AMAQI
14th Jul 2025554 AMAQI
28°C26/31°C
14th Jul 2025555 AMAQI
14th Jul 2025566 AMAQI
14th Jul 2025807 AMAQI
14th Jul 2025858 AMAQI
14th Jul 2025939 AMAQI
14th Jul 20258410 AMAQI
14th Jul 20258211 AMAQI
14th Jul 20258212 PMAQI
14th Jul 2025731 PMAQI
14th Jul 2025662 PMAQI
14th Jul 2025553 PMAQI
14th Jul 2025564 PMAQI
14th Jul 2025565 PMAQI
14th Jul 2025556 PMAQI
14th Jul 2025587 PMAQI
14th Jul 2025618 PMAQI
14th Jul 2025619 PMAQI
14th Jul 20256110 PMAQI
14th Jul 20256011 PMAQI
15th Jul 20255812 AMAQI
15th Jul 2025561 AMAQI
15th Jul 2025592 AMAQI
15th Jul 2025583 AMAQI
15th Jul 2025584 AMAQI
29°C26/32°C
15th Jul 2025585 AMAQI
15th Jul 2025586 AMAQI
15th Jul 2025627 AMAQI
15th Jul 2025668 AMAQI
15th Jul 2025709 AMAQI
15th Jul 20257010 AMAQI
15th Jul 20256911 AMAQI
15th Jul 20257112 PMAQI
15th Jul 2025621 PMAQI
15th Jul 2025642 PMAQI
15th Jul 2025623 PMAQI
15th Jul 2025604 PMAQI
15th Jul 2025595 PMAQI
15th Jul 2025656 PMAQI
15th Jul 2025617 PMAQI
15th Jul 2025588 PMAQI
15th Jul 2025609 PMAQI
15th Jul 20256210 PMAQI
15th Jul 20256111 PMAQI
16th Jul 20256012 AMAQI
16th Jul 2025561 AMAQI
16th Jul 2025582 AMAQI
16th Jul 2025583 AMAQI
16th Jul 2025584 AMAQI
29°C27/32°C
16th Jul 2025585 AMAQI
16th Jul 2025586 AMAQI
16th Jul 2025577 AMAQI
16th Jul 2025608 AMAQI
16th Jul 2025619 AMAQI
16th Jul 20256010 AMAQI
16th Jul 20256011 AMAQI
16th Jul 20255712 PMAQI
16th Jul 2025551 PMAQI
16th Jul 2025532 PMAQI
16th Jul 2025523 PMAQI
16th Jul 2025454 PMAQI
16th Jul 2025515 PMAQI
16th Jul 2025526 PMAQI
16th Jul 2025547 PMAQI
16th Jul 2025568 PMAQI
16th Jul 2025569 PMAQI
16th Jul 20255610 PMAQI
16th Jul 20255611 PMAQI
17th Jul 20255512 AMAQI
17th Jul 2025581 AMAQI
17th Jul 2025582 AMAQI
17th Jul 2025563 AMAQI
17th Jul 2025564 AMAQI
29°C27/32°C
17th Jul 2025565 AMAQI
17th Jul 2025566 AMAQI
17th Jul 2025487 AMAQI
17th Jul 2025658 AMAQI
17th Jul 2025559 AMAQI
17th Jul 20255610 AMAQI
17th Jul 20255711 AMAQI
17th Jul 20255612 PMAQI
17th Jul 2025541 PMAQI
17th Jul 2025552 PMAQI
17th Jul 2025543 PMAQI
17th Jul 2025574 PMAQI
17th Jul 2025585 PMAQI
17th Jul 2025566 PMAQI
17th Jul 2025617 PMAQI
17th Jul 2025628 PMAQI
17th Jul 2025639 PMAQI
17th Jul 20256310 PMAQI
17th Jul 20256111 PMAQI
18th Jul 20255612 AMAQI
18th Jul 2025561 AMAQI
18th Jul 2025552 AMAQI
18th Jul 2025553 AMAQI
18th Jul 2025554 AMAQI
29°C27/33°C
18th Jul 2025555 AMAQI
18th Jul 2025556 AMAQI
18th Jul 2025627 AMAQI
18th Jul 2025628 AMAQI
18th Jul 2025649 AMAQI
18th Jul 20256010 AMAQI
18th Jul 20255911 AMAQI
18th Jul 20255812 PMAQI
18th Jul 2025561 PMAQI
18th Jul 2025582 PMAQI
18th Jul 2025573 PMAQI
18th Jul 2025564 PMAQI
18th Jul 2025545 PMAQI
18th Jul 2025556 PMAQI
18th Jul 2025547 PMAQI
18th Jul 2025558 PMAQI
18th Jul 2025549 PMAQI
18th Jul 20255410 PMAQI
18th Jul 20255911 PMAQI
19th Jul 20256012 AMAQI
19th Jul 2025551 AMAQI
19th Jul 2025552 AMAQI
19th Jul 2025543 AMAQI
19th Jul 2025554 AMAQI
30°C27/34°C
19th Jul 2025545 AMAQI
19th Jul 2025556 AMAQI
19th Jul 2025597 AMAQI
19th Jul 2025708 AMAQI
19th Jul 2025769 AMAQI
19th Jul 20257610 AMAQI
19th Jul 20257411 AMAQI
19th Jul 20256712 PMAQI
19th Jul 2025681 PMAQI
19th Jul 2025682 PMAQI
19th Jul 2025663 PMAQI
19th Jul 2025664 PMAQI
19th Jul 2025625 PMAQI
19th Jul 2025636 PMAQI
19th Jul 2025617 PMAQI
19th Jul 2025608 PMAQI
19th Jul 2025619 PMAQI
19th Jul 20255710 PMAQI
19th Jul 20255411 PMAQI
20th Jul 20255612 AMAQI
20th Jul 2025561 AMAQI
20th Jul 2025562 AMAQI
20th Jul 2025593 AMAQI
20th Jul 2025584 AMAQI
29°C25/35°C
20th Jul 2025585 AMAQI
20th Jul 2025586 AMAQI
20th Jul 2025457 AMAQI
20th Jul 2025408 AMAQI
20th Jul 2025479 AMAQI
20th Jul 20254810 AMAQI
20th Jul 20255211 AMAQI
20th Jul 20255112 PMAQI
20th Jul 2025491 PMAQI
20th Jul 2025532 PMAQI
20th Jul 2025543 PMAQI
20th Jul 2025534 PMAQI
20th Jul 2025565 PMAQI
20th Jul 2025586 PMAQI
20th Jul 2025607 PMAQI
20th Jul 2025568 PMAQI
20th Jul 2025539 PMAQI
20th Jul 20254910 PMAQI
20th Jul 20255111 PMAQI
21st Jul 20255412 AMAQI
21st Jul 2025561 AMAQI
21st Jul 2025552 AMAQI
21st Jul 2025553 AMAQI
21st Jul 2025544 AMAQI
26°C24/29°C
21st Jul 2025555 AMAQI
21st Jul 2025556 AMAQI
21st Jul 2025467 AMAQI
21st Jul 2025418 AMAQI
21st Jul 2025459 AMAQI
21st Jul 20254410 AMAQI
21st Jul 20254311 AMAQI
21st Jul 20254212 PMAQI
21st Jul 2025461 PMAQI
21st Jul 2025432 PMAQI
21st Jul 2025383 PMAQI
21st Jul 2025354 PMAQI
21st Jul 2025345 PMAQI
21st Jul 2025366 PMAQI
21st Jul 2025487 PMAQI
21st Jul 2025488 PMAQI
21st Jul 2025459 PMAQI
21st Jul 20255010 PMAQI
21st Jul 20255211 PMAQI
22nd Jul 20255412 AMAQI
22nd Jul 2025561 AMAQI
22nd Jul 2025562 AMAQI
22nd Jul 2025563 AMAQI
22nd Jul 2025564 AMAQI
26°C25/26°C
22nd Jul 2025565 AMAQI
22nd Jul 2025556 AMAQI
22nd Jul 2025427 AMAQI
22nd Jul 2025298 AMAQI
22nd Jul 2025269 AMAQI
22nd Jul 20252410 AMAQI
22nd Jul 20253011 AMAQI
22nd Jul 20253312 PMAQI
22nd Jul 2025401 PMAQI
22nd Jul 2025342 PMAQI
22nd Jul 2025353 PMAQI
22nd Jul 2025374 PMAQI
22nd Jul 2025415 PMAQI
22nd Jul 2025346 PMAQI
22nd Jul 2025437 PMAQI
22nd Jul 2025478 PMAQI
22nd Jul 2025459 PMAQI
22nd Jul 20254810 PMAQI
22nd Jul 20254611 PMAQI
23rd Jul 20255112 AMAQI
23rd Jul 2025541 AMAQI
23rd Jul 2025542 AMAQI
23rd Jul 2025513 AMAQI
23rd Jul 2025524 AMAQI
27°C26/28°C
23rd Jul 2025525 AMAQI
23rd Jul 2025526 AMAQI
23rd Jul 2025447 AMAQI
23rd Jul 2025298 AMAQI
23rd Jul 2025409 AMAQI
23rd Jul 20253410 AMAQI
23rd Jul 20253911 AMAQI
23rd Jul 20254212 PMAQI
23rd Jul 2025411 PMAQI
23rd Jul 2025402 PMAQI
23rd Jul 2025353 PMAQI
23rd Jul 2025334 PMAQI
23rd Jul 2025325 PMAQI
23rd Jul 2025366 PMAQI
23rd Jul 2025447 PMAQI
23rd Jul 2025428 PMAQI
23rd Jul 2025459 PMAQI
23rd Jul 20254610 PMAQI
23rd Jul 20254911 PMAQI
24th Jul 20254612 AMAQI
24th Jul 2025501 AMAQI
24th Jul 2025492 AMAQI
24th Jul 2025473 AMAQI
24th Jul 2025474 AMAQI
28°C26/30°C
24th Jul 2025465 AMAQI
24th Jul 2025476 AMAQI
24th Jul 2025387 AMAQI
24th Jul 2025328 AMAQI
24th Jul 2025349 AMAQI
24th Jul 20253410 AMAQI
24th Jul 20253411 AMAQI
24th Jul 20253112 PMAQI
24th Jul 2025321 PMAQI
24th Jul 2025332 PMAQI
24th Jul 2025343 PMAQI
24th Jul 2025344 PMAQI
24th Jul 2025375 PMAQI
24th Jul 2025366 PMAQI
24th Jul 2025387 PMAQI
24th Jul 2025408 PMAQI
24th Jul 2025409 PMAQI
24th Jul 20254310 PMAQI
24th Jul 20255011 PMAQI
25th Jul 20254812 AMAQI
25th Jul 2025471 AMAQI
25th Jul 2025452 AMAQI
25th Jul 2025463 AMAQI
25th Jul 2025464 AMAQI
27°C26/29°C
25th Jul 2025465 AMAQI
25th Jul 2025456 AMAQI
25th Jul 2025467 AMAQI
25th Jul 2025548 AMAQI
25th Jul 2025589 AMAQI
25th Jul 20255910 AMAQI
25th Jul 20255311 AMAQI
25th Jul 20255212 PMAQI
25th Jul 2025501 PMAQI
25th Jul 2025442 PMAQI
25th Jul 2025403 PMAQI
25th Jul 2025464 PMAQI
25th Jul 2025505 PMAQI
25th Jul 2025436 PMAQI
25th Jul 2025397 PMAQI
25th Jul 2025448 PMAQI
25th Jul 2025469 PMAQI
25th Jul 20255210 PMAQI
25th Jul 20255411 PMAQI
26th Jul 20255012 AMAQI
26th Jul 2025471 AMAQI
26th Jul 2025462 AMAQI
26th Jul 2025443 AMAQI
26th Jul 2025444 AMAQI
28°C25/31°C
26th Jul 2025445 AMAQI
26th Jul 2025446 AMAQI
26th Jul 2025587 AMAQI
26th Jul 2025638 AMAQI
26th Jul 2025659 AMAQI
26th Jul 20256310 AMAQI
26th Jul 20256411 AMAQI
26th Jul 20256112 PMAQI
26th Jul 2025601 PMAQI
26th Jul 2025602 PMAQI
26th Jul 2025613 PMAQI
26th Jul 2025594 PMAQI
26th Jul 2025585 PMAQI
26th Jul 2025566 PMAQI
26th Jul 2025567 PMAQI
26th Jul 2025578 PMAQI
26th Jul 2025559 PMAQI
26th Jul 20255110 PMAQI
26th Jul 20255111 PMAQI
27th Jul 20254912 AMAQI
27th Jul 2025501 AMAQI
27th Jul 2025472 AMAQI
27th Jul 2025503 AMAQI
27th Jul 2025484 AMAQI
29°C25/32°C
27th Jul 2025495 AMAQI
27th Jul 2025486 AMAQI
27th Jul 2025527 AMAQI
27th Jul 2025628 AMAQI
27th Jul 2025609 AMAQI
27th Jul 20256010 AMAQI
27th Jul 20256011 AMAQI
27th Jul 20256312 PMAQI
27th Jul 2025641 PMAQI
27th Jul 2025602 PMAQI
27th Jul 2025573 PMAQI
27th Jul 2025574 PMAQI
27th Jul 2025555 PMAQI
27th Jul 2025546 PMAQI
27th Jul 2025527 PMAQI
27th Jul 2025528 PMAQI
27th Jul 2025529 PMAQI
27th Jul 20255210 PMAQI
27th Jul 20254811 PMAQI
28th Jul 20254712 AMAQI
28th Jul 2025471 AMAQI
28th Jul 2025462 AMAQI
28th Jul 2025483 AMAQI
28th Jul 2025484 AMAQI
29°C26/32°C
28th Jul 2025485 AMAQI
28th Jul 2025496 AMAQI
28th Jul 2025527 AMAQI
28th Jul 2025568 AMAQI
28th Jul 2025569 AMAQI
28th Jul 20254910 AMAQI
28th Jul 20255411 AMAQI
28th Jul 20254912 PMAQI
28th Jul 2025541 PMAQI
28th Jul 2025522 PMAQI
28th Jul 2025543 PMAQI
28th Jul 2025544 PMAQI
28th Jul 2025545 PMAQI
28th Jul 2025546 PMAQI
28th Jul 2025597 PMAQI
28th Jul 2025588 PMAQI
28th Jul 2025629 PMAQI
28th Jul 20256310 PMAQI
28th Jul 20256311 PMAQI
29th Jul 20256012 AMAQI
29th Jul 2025481 AMAQI
29th Jul 2025492 AMAQI
29th Jul 2025483 AMAQI
29th Jul 2025474 AMAQI
29°C26/32°C
29th Jul 2025475 AMAQI
29th Jul 2025476 AMAQI
29th Jul 2025557 AMAQI
29th Jul 2025658 AMAQI
29th Jul 2025649 AMAQI
29th Jul 20257010 AMAQI
29th Jul 20257311 AMAQI
29th Jul 20257412 PMAQI
29th Jul 2025751 PMAQI
29th Jul 2025722 PMAQI
29th Jul 2025693 PMAQI
29th Jul 2025744 PMAQI
29th Jul 2025745 PMAQI
29th Jul 2025696 PMAQI
29th Jul 2025667 PMAQI
29th Jul 2025668 PMAQI
29th Jul 2025639 PMAQI
29th Jul 20256110 PMAQI
29th Jul 20255811 PMAQI
30th Jul 20255712 AMAQI
30th Jul 2025521 AMAQI
30th Jul 2025532 AMAQI
30th Jul 2025533 AMAQI
30th Jul 2025544 AMAQI
30°C27/33°C
30th Jul 2025535 AMAQI
30th Jul 2025536 AMAQI
30th Jul 2025547 AMAQI
30th Jul 2025578 AMAQI
30th Jul 2025549 AMAQI
30th Jul 20256010 AMAQI
30th Jul 20256211 AMAQI
30th Jul 20256512 PMAQI
30th Jul 2025631 PMAQI
30th Jul 2025682 PMAQI
30th Jul 2025643 PMAQI
30th Jul 2025684 PMAQI
30th Jul 2025635 PMAQI
30th Jul 2025606 PMAQI
30th Jul 2025587 PMAQI
30th Jul 2025578 PMAQI
30th Jul 2025569 PMAQI
30th Jul 20255410 PMAQI
30th Jul 20255411 PMAQI
31st Jul 20255612 AMAQI
31st Jul 2025541 AMAQI
31st Jul 2025532 AMAQI
31st Jul 2025533 AMAQI
31st Jul 2025534 AMAQI
30°C28/34°C
31st Jul 2025535 AMAQI
31st Jul 2025536 AMAQI
31st Jul 2025537 AMAQI
31st Jul 2025538 AMAQI
31st Jul 2025549 AMAQI
31st Jul 20255310 AMAQI
31st Jul 20255811 AMAQI
31st Jul 20256212 PMAQI
31st Jul 2025631 PMAQI
31st Jul 2025632 PMAQI
31st Jul 2025643 PMAQI
31st Jul 2025644 PMAQI
31st Jul 2025555 PMAQI
31st Jul 2025566 PMAQI
31st Jul 2025557 PMAQI
31st Jul 2025548 PMAQI
31st Jul 2025589 PMAQI
31st Jul 20255610 PMAQI
31st Jul 20255611 PMAQI
1st Aug 20255512 AMAQI
1st Aug 2025531 AMAQI
1st Aug 2025522 AMAQI
1st Aug 2025523 AMAQI
1st Aug 2025504 AMAQI
30°C28/33°C
1st Aug 2025545 AMAQI
1st Aug 2025536 AMAQI
1st Aug 2025627 AMAQI
1st Aug 2025628 AMAQI
1st Aug 2025589 AMAQI
1st Aug 20255610 AMAQI
1st Aug 20255611 AMAQI
1st Aug 20256012 PMAQI
1st Aug 2025501 PMAQI
1st Aug 2025532 PMAQI
1st Aug 2025443 PMAQI
1st Aug 2025454 PMAQI
1st Aug 2025535 PMAQI
1st Aug 2025516 PMAQI
1st Aug 2025507 PMAQI
1st Aug 2025508 PMAQI
1st Aug 2025529 PMAQI
1st Aug 20255410 PMAQI
1st Aug 20255011 PMAQI
2nd Aug 20255512 AMAQI
2nd Aug 2025551 AMAQI
2nd Aug 2025542 AMAQI
2nd Aug 2025563 AMAQI
2nd Aug 2025554 AMAQI
28°C26/30°C
2nd Aug 2025555 AMAQI
2nd Aug 2025566 AMAQI
2nd Aug 2025487 AMAQI
2nd Aug 2025488 AMAQI
2nd Aug 2025509 AMAQI
2nd Aug 20255310 AMAQI
2nd Aug 20254411 AMAQI
2nd Aug 20255012 PMAQI
2nd Aug 2025501 PMAQI
2nd Aug 2025522 PMAQI
2nd Aug 2025543 PMAQI
2nd Aug 2025564 PMAQI
2nd Aug 2025595 PMAQI
2nd Aug 2025596 PMAQI
2nd Aug 2025587 PMAQI
2nd Aug 2025588 PMAQI
2nd Aug 2025609 PMAQI
2nd Aug 20255710 PMAQI
2nd Aug 20255511 PMAQI
3rd Aug 20255512 AMAQI
3rd Aug 2025551 AMAQI
3rd Aug 2025562 AMAQI
3rd Aug 2025543 AMAQI
3rd Aug 2025544 AMAQI
29°C26/34°C
3rd Aug 2025555 AMAQI
5 AM3rd Aug 2025546 AMAQI
3rd Aug 2025547 AMAQI
3rd Aug 2025618 AMAQI
3rd Aug 2025649 AMAQI
3rd Aug 20256610 AMAQI
3rd Aug 20256311 AMAQI
11 AM3rd Aug 20255812 PMAQI
3rd Aug 2025561 PMAQI
3rd Aug 2025572 PMAQI
3rd Aug 2025543 PMAQI
3rd Aug 2025504 PMAQI
3rd Aug 2025565 PMAQI
3rd Aug 2025556 PMAQI
6 PM3rd Aug 2025567 PMAQI
3rd Aug 2025578 PMAQI
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
7 AM - 6 PM
56AQI
12 hours / Day
360 hours / Month
Avg. Lowest Time
5 AM - 6 AM
52AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 6 PM (Avg. 56), while the lowest AQI was between 5 AM to 6 AM (Avg. 52).
Night time
Avg. Highest Time
12 AM - 11 PM
54AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM - 11 PM
54AQI
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. 54), while the lowest AQI was between 12 AM to 11 PM (Avg. 54).
2025 Days Vs Air Quality
Quang Ninh Gan KCN Cai Lan, Ha Long, Quang Ninh, Vietnam
2025
6%
13
79%
170
13%
28
1%
3
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
13 DaysModerate
170 DaysPoor
28 DaysUnhealthy
3 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 6%
Health Risk Level:
Extreme
In 2025, 6% of 215 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
Quang Ninh Gan KCN Cai Lan, Ha Long, Quang Ninh, 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
134AQI
134AQI
2nd January 2025
130AQI
130AQI
3rd January 2025
103AQI
103AQI
4th January 2025
102AQI
102AQI
5th January 2025
112AQI
112AQI
6th January 2025
122AQI
122AQI
7th January 2025
111AQI
111AQI
8th January 2025
116AQI
116AQI
9th January 2025
126AQI
126AQI
10th January 2025
86AQI
86AQI
11th January 2025
97AQI
97AQI
12th January 2025
99AQI
99AQI
13th January 2025
118AQI
118AQI
14th January 2025
131AQI
131AQI
15th January 2025
124AQI
124AQI
16th January 2025
133AQI
133AQI
17th January 2025
146AQI
146AQI
18th January 2025
154AQI
154AQI
19th January 2025
158AQI
158AQI
20th January 2025
172AQI
172AQI
21st January 2025
134AQI
134AQI
22nd January 2025
121AQI
121AQI
23rd January 2025
110AQI
110AQI
24th January 2025
109AQI
109AQI
25th January 2025
87AQI
87AQI
26th January 2025
63AQI
63AQI
27th January 2025
80AQI
80AQI
28th January 2025
76AQI
76AQI
29th January 2025
123AQI
123AQI
30th January 2025
89AQI
89AQI
31st January 2025
90AQI
90AQI
1st February 2025
81AQI
81AQI
2nd February 2025
68AQI
68AQI
3rd February 2025
55AQI
55AQI
4th February 2025
64AQI
64AQI
5th February 2025
94AQI
94AQI
6th February 2025
78AQI
78AQI
7th February 2025
59AQI
59AQI
8th February 2025
64AQI
64AQI
9th February 2025
80AQI
80AQI
10th February 2025
126AQI
126AQI
11th February 2025
129AQI
129AQI
12th February 2025
132AQI
132AQI
13th February 2025
119AQI
119AQI
14th February 2025
111AQI
111AQI
15th February 2025
119AQI
119AQI
16th February 2025
71AQI
71AQI
17th February 2025
96AQI
96AQI
18th February 2025
63AQI
63AQI
19th February 2025
80AQI
80AQI
20th February 2025
79AQI
79AQI
21st February 2025
88AQI
88AQI
22nd February 2025
91AQI
91AQI
23rd February 2025
65AQI
65AQI
24th February 2025
72AQI
72AQI
25th February 2025
91AQI
91AQI
26th February 2025
74AQI
74AQI
27th February 2025
121AQI
121AQI
28th February 2025
73AQI
73AQI
1st March 2025
93AQI
93AQI
2nd March 2025
72AQI
72AQI
3rd March 2025
69AQI
69AQI
4th March 2025
70AQI
70AQI
5th March 2025
74AQI
74AQI
6th March 2025
70AQI
70AQI
7th March 2025
67AQI
67AQI
8th March 2025
87AQI
87AQI
9th March 2025
99AQI
99AQI
10th March 2025
119AQI
119AQI
11th March 2025
84AQI
84AQI
12th March 2025
82AQI
82AQI
13th March 2025
69AQI
69AQI
14th March 2025
63AQI
63AQI
15th March 2025
61AQI
61AQI
16th March 2025
53AQI
53AQI
17th March 2025
74AQI
74AQI
18th March 2025
71AQI
71AQI
19th March 2025
76AQI
76AQI
20th March 2025
76AQI
76AQI
21st March 2025
64AQI
64AQI
22nd March 2025
66AQI
66AQI
23rd March 2025
58AQI
58AQI
24th March 2025
60AQI
60AQI
25th March 2025
67AQI
67AQI
26th March 2025
67AQI
67AQI
27th March 2025
73AQI
73AQI
28th March 2025
71AQI
71AQI
29th March 2025
52AQI
52AQI
30th March 2025
39AQI
39AQI
31st March 2025
43AQI
43AQI
1st April 2025
50AQI
50AQI
2nd April 2025
56AQI
56AQI
3rd April 2025
63AQI
63AQI
4th April 2025
118AQI
118AQI
5th April 2025
80AQI
80AQI
6th April 2025
79AQI
79AQI
7th April 2025
80AQI
80AQI
8th April 2025
87AQI
87AQI
9th April 2025
79AQI
79AQI
10th April 2025
78AQI
78AQI
11th April 2025
74AQI
74AQI
12th April 2025
79AQI
79AQI
13th April 2025
77AQI
77AQI
14th April 2025
82AQI
82AQI
15th April 2025
84AQI
84AQI
16th April 2025
86AQI
86AQI
17th April 2025
81AQI
81AQI
18th April 2025
81AQI
81AQI
19th April 2025
76AQI
76AQI
20th April 2025
70AQI
70AQI
21st April 2025
72AQI
72AQI
22nd April 2025
70AQI
70AQI
23rd April 2025
64AQI
64AQI
24th April 2025
65AQI
65AQI
25th April 2025
58AQI
58AQI
26th April 2025
62AQI
62AQI
27th April 2025
61AQI
61AQI
28th April 2025
61AQI
61AQI
29th April 2025
83AQI
83AQI
30th April 2025
69AQI
69AQI
1st May 2025
63AQI
63AQI
2nd May 2025
64AQI
64AQI
3rd May 2025
62AQI
62AQI
4th May 2025
68AQI
68AQI
5th May 2025
72AQI
72AQI
6th May 2025
64AQI
64AQI
7th May 2025
62AQI
62AQI
8th May 2025
65AQI
65AQI
9th May 2025
62AQI
62AQI
10th May 2025
64AQI
64AQI
11th May 2025
57AQI
57AQI
12th May 2025
64AQI
64AQI
13th May 2025
62AQI
62AQI
14th May 2025
60AQI
60AQI
15th May 2025
58AQI
58AQI
16th May 2025
59AQI
59AQI
17th May 2025
57AQI
57AQI
18th May 2025
57AQI
57AQI
19th May 2025
53AQI
53AQI
20th May 2025
56AQI
56AQI
21st May 2025
61AQI
61AQI
22nd May 2025
57AQI
57AQI
23rd May 2025
52AQI
52AQI
24th May 2025
52AQI
52AQI
25th May 2025
56AQI
56AQI
26th May 2025
61AQI
61AQI
27th May 2025
61AQI
61AQI
28th May 2025
61AQI
61AQI
29th May 2025
56AQI
56AQI
30th May 2025
55AQI
55AQI
31st May 2025
54AQI
54AQI
1st June 2025
52AQI
52AQI
2nd June 2025
53AQI
53AQI
3rd June 2025
53AQI
53AQI
4th June 2025
54AQI
54AQI
5th June 2025
55AQI
55AQI
6th June 2025
55AQI
55AQI
7th June 2025
54AQI
54AQI
8th June 2025
54AQI
54AQI
9th June 2025
54AQI
54AQI
10th June 2025
54AQI
54AQI
11th June 2025
56AQI
56AQI
12th June 2025
52AQI
52AQI
13th June 2025
53AQI
53AQI
14th June 2025
56AQI
56AQI
15th June 2025
56AQI
56AQI
16th June 2025
57AQI
57AQI
17th June 2025
58AQI
58AQI
18th June 2025
57AQI
57AQI
19th June 2025
62AQI
62AQI
20th June 2025
60AQI
60AQI
21st June 2025
60AQI
60AQI
22nd June 2025
60AQI
60AQI
23rd June 2025
61AQI
61AQI
24th June 2025
61AQI
61AQI
25th June 2025
56AQI
56AQI
26th June 2025
54AQI
54AQI
27th June 2025
50AQI
50AQI
28th June 2025
52AQI
52AQI
29th June 2025
46AQI
46AQI
30th June 2025
52AQI
52AQI
1st July 2025
41AQI
41AQI
2nd July 2025
42AQI
42AQI
3rd July 2025
44AQI
44AQI
4th July 2025
54AQI
54AQI
5th July 2025
55AQI
55AQI
6th July 2025
52AQI
52AQI
7th July 2025
58AQI
58AQI
8th July 2025
56AQI
56AQI
9th July 2025
58AQI
58AQI
10th July 2025
54AQI
54AQI
11th July 2025
53AQI
53AQI
12th July 2025
57AQI
57AQI
13th July 2025
65AQI
65AQI
14th July 2025
64AQI
64AQI
15th July 2025
62AQI
62AQI
16th July 2025
56AQI
56AQI
17th July 2025
57AQI
57AQI
18th July 2025
57AQI
57AQI
19th July 2025
61AQI
61AQI
20th July 2025
54AQI
54AQI
21st July 2025
47AQI
47AQI
22nd July 2025
44AQI
44AQI
23rd July 2025
44AQI
44AQI
24th July 2025
41AQI
41AQI
25th July 2025
48AQI
48AQI
26th July 2025
54AQI
54AQI
27th July 2025
53AQI
53AQI
28th July 2025
53AQI
53AQI
29th July 2025
61AQI
61AQI
30th July 2025
57AQI
57AQI
31st July 2025
56AQI
56AQI
1st August 2025
53AQI
53AQI
2nd August 2025
54AQI
54AQI
115AQI
87AQI
71AQI
74AQI
60AQI
55AQI
53AQI
54AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202573AQI
9
19
3
21
7
2
28
1
1
28
1
31
2
28
8
23
2
13
170
28
3
Highest AQI recorded in
January115AQI
Lowest AQI recorded in
July53AQI
202439AQI
21
26
31
30
26
1
8
22
31
31
9
15
4
16
12
3
23
7
7
11
12
1
259
68
19
1
Highest AQI recorded in
December85AQI
Lowest AQI recorded in
April21AQI
202333AQI
26
20
28
27
28
18
5
1
1
6
2
1
3
28
2
24
7
25
4
231
17
2
2
4
Highest AQI recorded in
July209AQI
Lowest AQI recorded in
September15AQI
202235AQI
8
3
2
3
17
23
8
28
2
22
1
12
1
20
8
16
14
29
180
37
Highest AQI recorded in
August78AQI
Lowest AQI recorded in
July23AQI
202135AQI
1
11
10
22
6
21
22
3
28
1
18
8
21
7
27
4
171
39
Highest AQI recorded in
May57AQI
Lowest AQI recorded in
April10AQI
Most & Least Polluted Years Over the Last 5 Years
Most Polluted Year Recorded
2025(Avg.)
73AQILeast Polluted Year Recorded
2023(Avg.)
33AQIQuang Ninh Gan KCN Cai Lan's annual 2025 AQI (73) shows an average percentage change of 105.8% (worsened AQI) compared to previous years: 2021 (35), 2022 (35), 2023 (33), 2024 (39).
