Hanoi Hoan Kiem District Police Headquarters, Hanoi, Ha Noi, 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
Hanoi Hoan Kiem District Police Headquarters, Hanoi, Ha Noi, Vietnam
2021
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
9th Aug 2021
107AQILowest AQI recorded on
7th Aug 2021
18AQISame Day Analysis (1st August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 53 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 1st Aug - 2nd Aug 2025
Hanoi Hoan Kiem District Police Headquarters, Hanoi, Ha Noi, Vietnam
AQI
Day
Night
.
5 AM1st Aug 2025
6 PM
4 AM2nd Aug 2025
Day time
Avg. Highest Time
7AM1st Aug
62AQI
Avg. Lowest Time
3PM1st Aug
43AQI
Night time
Avg. Highest Time
1AM2nd Aug
56AQI
Avg. Lowest Time
8PM1st Aug
48AQI
In the last 24 hours,
Hanoi Hoan Kiem District Police Headquarters's AQI reached its highest point of 62 at 7 AM during the Day, while the lowest point, 43, was recorded at 3 PM during the Day between 1st Aug and 2nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hanoi Hoan Kiem District Police Headquarters, Hanoi, Ha Noi, Vietnam
JulAug
03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd
Day
Night
3rd Jul 2025535 AMAQI
3rd Jul 2025536 AMAQI
3rd Jul 2025587 AMAQI
3rd Jul 2025618 AMAQI
3rd Jul 2025629 AMAQI
3rd Jul 20256210 AMAQI
3rd Jul 20256211 AMAQI
3rd Jul 20256212 PMAQI
3rd Jul 2025621 PMAQI
3rd Jul 2025622 PMAQI
3rd Jul 2025623 PMAQI
3rd Jul 2025424 PMAQI
3rd Jul 2025385 PMAQI
3rd Jul 2025406 PMAQI
3rd Jul 2025487 PMAQI
3rd Jul 2025508 PMAQI
3rd Jul 2025569 PMAQI
3rd Jul 20255710 PMAQI
3rd Jul 20255811 PMAQI
4th Jul 20255912 AMAQI
4th Jul 2025561 AMAQI
4th Jul 2025552 AMAQI
4th Jul 2025563 AMAQI
4th Jul 2025544 AMAQI
27°C25/31°C
4th Jul 2025555 AMAQI
4th Jul 2025556 AMAQI
4th Jul 2025727 AMAQI
4th Jul 2025798 AMAQI
4th Jul 2025789 AMAQI
4th Jul 20257810 AMAQI
4th Jul 20257011 AMAQI
4th Jul 20256512 PMAQI
4th Jul 2025611 PMAQI
4th Jul 2025652 PMAQI
4th Jul 2025653 PMAQI
4th Jul 2025614 PMAQI
4th Jul 2025605 PMAQI
4th Jul 2025586 PMAQI
4th Jul 2025587 PMAQI
4th Jul 2025608 PMAQI
4th Jul 2025629 PMAQI
4th Jul 20255810 PMAQI
4th Jul 20255411 PMAQI
5th Jul 20255512 AMAQI
5th Jul 2025581 AMAQI
5th Jul 2025582 AMAQI
5th Jul 2025603 AMAQI
5th Jul 2025604 AMAQI
29°C25/33°C
5th Jul 2025605 AMAQI
5th Jul 2025606 AMAQI
5th Jul 2025587 AMAQI
5th Jul 2025588 AMAQI
5th Jul 2025619 AMAQI
5th Jul 20256110 AMAQI
5th Jul 20256411 AMAQI
5th Jul 20256312 PMAQI
5th Jul 2025631 PMAQI
5th Jul 2025682 PMAQI
5th Jul 2025663 PMAQI
5th Jul 2025604 PMAQI
5th Jul 2025575 PMAQI
5th Jul 2025576 PMAQI
5th Jul 2025567 PMAQI
5th Jul 2025608 PMAQI
5th Jul 2025649 PMAQI
5th Jul 20256310 PMAQI
5th Jul 20255811 PMAQI
6th Jul 20255612 AMAQI
6th Jul 2025601 AMAQI
6th Jul 2025602 AMAQI
6th Jul 2025613 AMAQI
6th Jul 2025614 AMAQI
30°C26/35°C
6th Jul 2025615 AMAQI
6th Jul 2025616 AMAQI
6th Jul 2025587 AMAQI
6th Jul 2025608 AMAQI
6th Jul 2025649 AMAQI
6th Jul 20256510 AMAQI
6th Jul 20256411 AMAQI
6th Jul 20256012 PMAQI
6th Jul 2025621 PMAQI
6th Jul 2025622 PMAQI
6th Jul 2025573 PMAQI
6th Jul 2025534 PMAQI
6th Jul 2025515 PMAQI
6th Jul 2025506 PMAQI
6th Jul 2025497 PMAQI
6th Jul 2025538 PMAQI
6th Jul 2025559 PMAQI
6th Jul 20255510 PMAQI
6th Jul 20255111 PMAQI
7th Jul 20255412 AMAQI
7th Jul 2025601 AMAQI
7th Jul 2025612 AMAQI
7th Jul 2025603 AMAQI
7th Jul 2025614 AMAQI
29°C27/33°C
7th Jul 2025605 AMAQI
7th Jul 2025606 AMAQI
7th Jul 2025607 AMAQI
7th Jul 2025708 AMAQI
7th Jul 2025789 AMAQI
7th Jul 20258010 AMAQI
7th Jul 20257711 AMAQI
7th Jul 20257612 PMAQI
7th Jul 2025701 PMAQI
7th Jul 2025742 PMAQI
7th Jul 2025743 PMAQI
7th Jul 2025764 PMAQI
7th Jul 2025715 PMAQI
7th Jul 2025666 PMAQI
7th Jul 2025657 PMAQI
7th Jul 2025668 PMAQI
7th Jul 2025649 PMAQI
7th Jul 20256510 PMAQI
7th Jul 20256111 PMAQI
8th Jul 20255812 AMAQI
8th Jul 2025601 AMAQI
8th Jul 2025602 AMAQI
8th Jul 2025643 AMAQI
8th Jul 2025644 AMAQI
30°C26/35°C
8th Jul 2025635 AMAQI
8th Jul 2025646 AMAQI
8th Jul 2025617 AMAQI
8th Jul 2025628 AMAQI
8th Jul 2025629 AMAQI
8th Jul 20256410 AMAQI
8th Jul 20256411 AMAQI
8th Jul 20256412 PMAQI
8th Jul 2025711 PMAQI
8th Jul 2025732 PMAQI
8th Jul 2025753 PMAQI
8th Jul 2025684 PMAQI
8th Jul 2025665 PMAQI
8th Jul 2025596 PMAQI
8th Jul 2025577 PMAQI
8th Jul 2025578 PMAQI
8th Jul 2025629 PMAQI
8th Jul 20256010 PMAQI
8th Jul 20256111 PMAQI
9th Jul 20256312 AMAQI
9th Jul 2025601 AMAQI
9th Jul 2025632 AMAQI
9th Jul 2025633 AMAQI
9th Jul 2025634 AMAQI
32°C27/37°C
9th Jul 2025635 AMAQI
9th Jul 2025636 AMAQI
9th Jul 2025667 AMAQI
9th Jul 2025668 AMAQI
9th Jul 2025699 AMAQI
9th Jul 20256810 AMAQI
9th Jul 20257311 AMAQI
9th Jul 20257312 PMAQI
9th Jul 2025801 PMAQI
9th Jul 2025802 PMAQI
9th Jul 2025723 PMAQI
9th Jul 2025714 PMAQI
9th Jul 2025705 PMAQI
9th Jul 2025666 PMAQI
9th Jul 2025667 PMAQI
9th Jul 2025708 PMAQI
9th Jul 2025769 PMAQI
9th Jul 20256910 PMAQI
9th Jul 20256411 PMAQI
10th Jul 20256612 AMAQI
10th Jul 2025661 AMAQI
10th Jul 2025652 AMAQI
10th Jul 2025663 AMAQI
10th Jul 2025654 AMAQI
32°C28/37°C
10th Jul 2025665 AMAQI
10th Jul 2025666 AMAQI
10th Jul 2025457 AMAQI
10th Jul 2025448 AMAQI
10th Jul 2025429 AMAQI
10th Jul 20254810 AMAQI
10th Jul 20254811 AMAQI
10th Jul 20254812 PMAQI
10th Jul 2025541 PMAQI
10th Jul 2025512 PMAQI
10th Jul 2025503 PMAQI
10th Jul 2025514 PMAQI
10th Jul 2025525 PMAQI
10th Jul 2025516 PMAQI
10th Jul 2025567 PMAQI
10th Jul 2025578 PMAQI
10th Jul 2025609 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255711 PMAQI
11th Jul 20255912 AMAQI
11th Jul 2025641 AMAQI
11th Jul 2025622 AMAQI
11th Jul 2025613 AMAQI
11th Jul 2025604 AMAQI
30°C26/35°C
11th Jul 2025605 AMAQI
11th Jul 2025606 AMAQI
11th Jul 2025447 AMAQI
11th Jul 2025428 AMAQI
11th Jul 2025499 AMAQI
11th Jul 20255410 AMAQI
11th Jul 20255411 AMAQI
11th Jul 20255512 PMAQI
11th Jul 2025571 PMAQI
11th Jul 2025562 PMAQI
11th Jul 2025593 PMAQI
11th Jul 2025604 PMAQI
11th Jul 2025585 PMAQI
11th Jul 2025556 PMAQI
11th Jul 2025567 PMAQI
11th Jul 2025548 PMAQI
11th Jul 2025549 PMAQI
11th Jul 20255210 PMAQI
11th Jul 20255211 PMAQI
12th Jul 20255312 AMAQI
12th Jul 2025601 AMAQI
12th Jul 2025602 AMAQI
12th Jul 2025583 AMAQI
12th Jul 2025584 AMAQI
29°C26/33°C
12th Jul 2025585 AMAQI
12th Jul 2025586 AMAQI
12th Jul 2025547 AMAQI
12th Jul 2025528 AMAQI
12th Jul 2025559 AMAQI
12th Jul 20255710 AMAQI
12th Jul 20255411 AMAQI
12th Jul 20255512 PMAQI
12th Jul 2025581 PMAQI
12th Jul 2025592 PMAQI
12th Jul 2025573 PMAQI
12th Jul 2025554 PMAQI
12th Jul 2025565 PMAQI
12th Jul 2025536 PMAQI
12th Jul 2025537 PMAQI
12th Jul 2025518 PMAQI
12th Jul 2025529 PMAQI
12th Jul 20254710 PMAQI
12th Jul 20254711 PMAQI
13th Jul 20255212 AMAQI
13th Jul 2025581 AMAQI
13th Jul 2025582 AMAQI
13th Jul 2025583 AMAQI
13th Jul 2025584 AMAQI
29°C26/34°C
13th Jul 2025585 AMAQI
13th Jul 2025586 AMAQI
13th Jul 2025567 AMAQI
13th Jul 2025558 AMAQI
13th Jul 2025569 AMAQI
13th Jul 20255810 AMAQI
13th Jul 20255611 AMAQI
13th Jul 20255612 PMAQI
13th Jul 2025561 PMAQI
13th Jul 2025562 PMAQI
13th Jul 2025563 PMAQI
13th Jul 2025544 PMAQI
13th Jul 2025505 PMAQI
13th Jul 2025536 PMAQI
13th Jul 2025557 PMAQI
13th Jul 2025568 PMAQI
13th Jul 2025579 PMAQI
13th Jul 20256010 PMAQI
13th Jul 20255911 PMAQI
14th Jul 20256212 AMAQI
14th Jul 2025591 AMAQI
14th Jul 2025582 AMAQI
14th Jul 2025583 AMAQI
14th Jul 2025584 AMAQI
29°C26/34°C
14th Jul 2025585 AMAQI
14th Jul 2025586 AMAQI
14th Jul 2025677 AMAQI
14th Jul 2025808 AMAQI
14th Jul 2025849 AMAQI
14th Jul 20258710 AMAQI
14th Jul 20258411 AMAQI
14th Jul 20258212 PMAQI
14th Jul 2025851 PMAQI
14th Jul 2025892 PMAQI
14th Jul 2025943 PMAQI
14th Jul 2025864 PMAQI
14th Jul 2025695 PMAQI
14th Jul 2025616 PMAQI
14th Jul 2025607 PMAQI
14th Jul 2025628 PMAQI
14th Jul 2025629 PMAQI
14th Jul 20256310 PMAQI
14th Jul 20255811 PMAQI
15th Jul 20255812 AMAQI
15th Jul 2025581 AMAQI
15th Jul 2025622 AMAQI
15th Jul 2025663 AMAQI
15th Jul 2025664 AMAQI
31°C27/35°C
15th Jul 2025665 AMAQI
15th Jul 2025686 AMAQI
15th Jul 2025627 AMAQI
15th Jul 2025648 AMAQI
15th Jul 2025779 AMAQI
15th Jul 20258810 AMAQI
15th Jul 20259011 AMAQI
15th Jul 202510012 PMAQI
15th Jul 20251041 PMAQI
15th Jul 20251132 PMAQI
15th Jul 20251073 PMAQI
15th Jul 20251154 PMAQI
15th Jul 20251025 PMAQI
15th Jul 2025896 PMAQI
15th Jul 2025887 PMAQI
15th Jul 2025808 PMAQI
15th Jul 2025749 PMAQI
15th Jul 20257110 PMAQI
15th Jul 20255811 PMAQI
16th Jul 20256212 AMAQI
16th Jul 2025621 AMAQI
16th Jul 2025642 AMAQI
16th Jul 2025693 AMAQI
16th Jul 2025714 AMAQI
30°C28/34°C
16th Jul 2025715 AMAQI
16th Jul 2025716 AMAQI
16th Jul 2025507 AMAQI
16th Jul 2025538 AMAQI
16th Jul 2025549 AMAQI
16th Jul 20255610 AMAQI
16th Jul 20255211 AMAQI
16th Jul 20255412 PMAQI
16th Jul 2025541 PMAQI
16th Jul 2025562 PMAQI
16th Jul 2025613 PMAQI
16th Jul 2025594 PMAQI
16th Jul 2025525 PMAQI
16th Jul 2025526 PMAQI
16th Jul 2025567 PMAQI
16th Jul 2025568 PMAQI
16th Jul 2025569 PMAQI
16th Jul 20255610 PMAQI
16th Jul 20255311 PMAQI
17th Jul 20255612 AMAQI
17th Jul 2025651 AMAQI
17th Jul 2025652 AMAQI
17th Jul 2025643 AMAQI
17th Jul 2025644 AMAQI
31°C27/35°C
17th Jul 2025655 AMAQI
17th Jul 2025646 AMAQI
17th Jul 2025507 AMAQI
17th Jul 2025508 AMAQI
17th Jul 2025579 AMAQI
17th Jul 20256110 AMAQI
17th Jul 20255611 AMAQI
17th Jul 20255412 PMAQI
17th Jul 2025541 PMAQI
17th Jul 2025552 PMAQI
17th Jul 2025563 PMAQI
17th Jul 2025564 PMAQI
17th Jul 2025565 PMAQI
17th Jul 2025546 PMAQI
17th Jul 2025567 PMAQI
17th Jul 2025568 PMAQI
17th Jul 2025569 PMAQI
17th Jul 20255410 PMAQI
17th Jul 20255411 PMAQI
18th Jul 20255812 AMAQI
18th Jul 2025621 AMAQI
18th Jul 2025622 AMAQI
18th Jul 2025623 AMAQI
18th Jul 2025624 AMAQI
31°C27/37°C
18th Jul 2025625 AMAQI
18th Jul 2025616 AMAQI
18th Jul 2025617 AMAQI
18th Jul 2025618 AMAQI
18th Jul 2025629 AMAQI
18th Jul 20256410 AMAQI
18th Jul 20256311 AMAQI
18th Jul 20256312 PMAQI
18th Jul 2025691 PMAQI
18th Jul 2025732 PMAQI
18th Jul 2025713 PMAQI
18th Jul 2025694 PMAQI
18th Jul 2025645 PMAQI
18th Jul 2025596 PMAQI
18th Jul 2025547 PMAQI
18th Jul 2025568 PMAQI
18th Jul 2025549 PMAQI
18th Jul 20255210 PMAQI
18th Jul 20255211 PMAQI
19th Jul 20255712 AMAQI
19th Jul 2025621 AMAQI
19th Jul 2025632 AMAQI
19th Jul 2025643 AMAQI
19th Jul 2025654 AMAQI
32°C28/37°C
19th Jul 2025655 AMAQI
19th Jul 2025656 AMAQI
19th Jul 2025787 AMAQI
19th Jul 2025968 AMAQI
19th Jul 20251119 AMAQI
19th Jul 202510810 AMAQI
19th Jul 20259411 AMAQI
19th Jul 202510012 PMAQI
19th Jul 2025911 PMAQI
19th Jul 2025902 PMAQI
19th Jul 2025883 PMAQI
19th Jul 2025784 PMAQI
19th Jul 2025785 PMAQI
19th Jul 2025726 PMAQI
19th Jul 2025747 PMAQI
19th Jul 2025688 PMAQI
19th Jul 2025629 PMAQI
19th Jul 20255410 PMAQI
19th Jul 20255111 PMAQI
20th Jul 20255512 AMAQI
20th Jul 2025641 AMAQI
20th Jul 2025672 AMAQI
20th Jul 2025713 AMAQI
20th Jul 2025704 AMAQI
31°C25/37°C
20th Jul 2025705 AMAQI
20th Jul 2025696 AMAQI
20th Jul 2025577 AMAQI
20th Jul 2025528 AMAQI
20th Jul 2025499 AMAQI
20th Jul 20255010 AMAQI
20th Jul 20255211 AMAQI
20th Jul 20255212 PMAQI
20th Jul 2025521 PMAQI
20th Jul 2025582 PMAQI
20th Jul 2025563 PMAQI
20th Jul 2025574 PMAQI
20th Jul 2025605 PMAQI
20th Jul 2025626 PMAQI
20th Jul 2025627 PMAQI
20th Jul 2025678 PMAQI
20th Jul 2025679 PMAQI
20th Jul 20256510 PMAQI
20th Jul 20256211 PMAQI
21st Jul 20256112 AMAQI
21st Jul 2025661 AMAQI
21st Jul 2025632 AMAQI
21st Jul 2025633 AMAQI
21st Jul 2025634 AMAQI
28°C25/31°C
21st Jul 2025645 AMAQI
21st Jul 2025646 AMAQI
21st Jul 2025607 AMAQI
21st Jul 2025628 AMAQI
21st Jul 2025609 AMAQI
21st Jul 20256010 AMAQI
21st Jul 20255211 AMAQI
21st Jul 20254912 PMAQI
21st Jul 2025481 PMAQI
21st Jul 2025542 PMAQI
21st Jul 2025523 PMAQI
21st Jul 2025474 PMAQI
21st Jul 2025465 PMAQI
21st Jul 2025486 PMAQI
21st Jul 2025517 PMAQI
21st Jul 2025498 PMAQI
21st Jul 2025509 PMAQI
21st Jul 20255110 PMAQI
21st Jul 20254911 PMAQI
22nd Jul 20255312 AMAQI
22nd Jul 2025591 AMAQI
22nd Jul 2025612 AMAQI
22nd Jul 2025623 AMAQI
22nd Jul 2025624 AMAQI
26°C25/27°C
22nd Jul 2025625 AMAQI
22nd Jul 2025626 AMAQI
22nd Jul 2025327 AMAQI
22nd Jul 2025318 AMAQI
22nd Jul 2025309 AMAQI
22nd Jul 20252810 AMAQI
22nd Jul 20252611 AMAQI
22nd Jul 20252412 PMAQI
22nd Jul 2025261 PMAQI
22nd Jul 2025292 PMAQI
22nd Jul 2025313 PMAQI
22nd Jul 2025294 PMAQI
22nd Jul 2025245 PMAQI
22nd Jul 2025266 PMAQI
22nd Jul 2025347 PMAQI
22nd Jul 2025328 PMAQI
22nd Jul 2025319 PMAQI
22nd Jul 20253110 PMAQI
22nd Jul 20253211 PMAQI
23rd Jul 20254312 AMAQI
23rd Jul 2025581 AMAQI
23rd Jul 2025562 AMAQI
23rd Jul 2025563 AMAQI
23rd Jul 2025564 AMAQI
27°C25/29°C
23rd Jul 2025565 AMAQI
23rd Jul 2025566 AMAQI
23rd Jul 2025367 AMAQI
23rd Jul 2025368 AMAQI
23rd Jul 2025429 AMAQI
23rd Jul 20254110 AMAQI
23rd Jul 20253411 AMAQI
23rd Jul 20253412 PMAQI
23rd Jul 2025381 PMAQI
23rd Jul 2025362 PMAQI
23rd Jul 2025333 PMAQI
23rd Jul 2025374 PMAQI
23rd Jul 2025305 PMAQI
23rd Jul 2025326 PMAQI
23rd Jul 2025457 PMAQI
23rd Jul 2025488 PMAQI
23rd Jul 2025509 PMAQI
23rd Jul 20254810 PMAQI
23rd Jul 20254511 PMAQI
24th Jul 20254412 AMAQI
24th Jul 2025531 AMAQI
24th Jul 2025542 AMAQI
24th Jul 2025543 AMAQI
24th Jul 2025544 AMAQI
28°C26/31°C
24th Jul 2025535 AMAQI
24th Jul 2025546 AMAQI
24th Jul 2025447 AMAQI
24th Jul 2025348 AMAQI
24th Jul 2025429 AMAQI
24th Jul 20254810 AMAQI
24th Jul 20254211 AMAQI
24th Jul 20253812 PMAQI
24th Jul 2025421 PMAQI
24th Jul 2025392 PMAQI
24th Jul 2025383 PMAQI
24th Jul 2025364 PMAQI
24th Jul 2025335 PMAQI
24th Jul 2025296 PMAQI
24th Jul 2025327 PMAQI
24th Jul 2025388 PMAQI
24th Jul 2025389 PMAQI
24th Jul 20253910 PMAQI
24th Jul 20253811 PMAQI
25th Jul 20254412 AMAQI
25th Jul 2025531 AMAQI
25th Jul 2025542 AMAQI
25th Jul 2025533 AMAQI
25th Jul 2025534 AMAQI
28°C26/32°C
25th Jul 2025545 AMAQI
25th Jul 2025546 AMAQI
25th Jul 2025557 AMAQI
25th Jul 2025618 AMAQI
25th Jul 2025689 AMAQI
25th Jul 20257010 AMAQI
25th Jul 20256511 AMAQI
25th Jul 20256512 PMAQI
25th Jul 2025661 PMAQI
25th Jul 2025592 PMAQI
25th Jul 2025613 PMAQI
25th Jul 2025604 PMAQI
25th Jul 2025605 PMAQI
25th Jul 2025556 PMAQI
25th Jul 2025587 PMAQI
25th Jul 2025618 PMAQI
25th Jul 2025629 PMAQI
25th Jul 20255810 PMAQI
25th Jul 20255411 PMAQI
26th Jul 20255412 AMAQI
26th Jul 2025541 AMAQI
26th Jul 2025552 AMAQI
26th Jul 2025563 AMAQI
26th Jul 2025564 AMAQI
29°C25/34°C
26th Jul 2025575 AMAQI
26th Jul 2025566 AMAQI
26th Jul 2025607 AMAQI
26th Jul 2025688 AMAQI
26th Jul 2025709 AMAQI
26th Jul 20257310 AMAQI
26th Jul 20257411 AMAQI
26th Jul 20257412 PMAQI
26th Jul 2025641 PMAQI
26th Jul 2025652 PMAQI
26th Jul 2025623 PMAQI
26th Jul 2025624 PMAQI
26th Jul 2025635 PMAQI
26th Jul 2025586 PMAQI
26th Jul 2025577 PMAQI
26th Jul 2025588 PMAQI
26th Jul 2025529 PMAQI
26th Jul 20255010 PMAQI
26th Jul 20255011 PMAQI
27th Jul 20254812 AMAQI
27th Jul 2025561 AMAQI
27th Jul 2025572 AMAQI
27th Jul 2025583 AMAQI
27th Jul 2025574 AMAQI
29°C26/35°C
27th Jul 2025575 AMAQI
27th Jul 2025576 AMAQI
27th Jul 2025557 AMAQI
27th Jul 2025588 AMAQI
27th Jul 2025599 AMAQI
27th Jul 20256110 AMAQI
27th Jul 20255811 AMAQI
27th Jul 20255712 PMAQI
27th Jul 2025581 PMAQI
27th Jul 2025592 PMAQI
27th Jul 2025623 PMAQI
27th Jul 2025614 PMAQI
27th Jul 2025615 PMAQI
27th Jul 2025626 PMAQI
27th Jul 2025567 PMAQI
27th Jul 2025608 PMAQI
27th Jul 2025609 PMAQI
27th Jul 20255610 PMAQI
27th Jul 20255711 PMAQI
28th Jul 20255712 AMAQI
28th Jul 2025561 AMAQI
28th Jul 2025572 AMAQI
28th Jul 2025583 AMAQI
28th Jul 2025574 AMAQI
30°C26/36°C
28th Jul 2025575 AMAQI
28th Jul 2025586 AMAQI
28th Jul 2025627 AMAQI
28th Jul 2025668 AMAQI
28th Jul 2025739 AMAQI
28th Jul 20257810 AMAQI
28th Jul 20257011 AMAQI
28th Jul 20256612 PMAQI
28th Jul 2025741 PMAQI
28th Jul 2025702 PMAQI
28th Jul 2025713 PMAQI
28th Jul 2025664 PMAQI
28th Jul 2025675 PMAQI
28th Jul 2025606 PMAQI
28th Jul 2025637 PMAQI
28th Jul 2025638 PMAQI
28th Jul 2025709 PMAQI
28th Jul 20257710 PMAQI
28th Jul 20257011 PMAQI
29th Jul 20256412 AMAQI
29th Jul 2025581 AMAQI
29th Jul 2025602 AMAQI
29th Jul 2025613 AMAQI
29th Jul 2025624 AMAQI
31°C27/35°C
29th Jul 2025625 AMAQI
29th Jul 2025616 AMAQI
29th Jul 2025777 AMAQI
29th Jul 20251018 AMAQI
29th Jul 20251279 AMAQI
29th Jul 202511010 AMAQI
29th Jul 20259911 AMAQI
29th Jul 20259012 PMAQI
29th Jul 2025881 PMAQI
29th Jul 2025822 PMAQI
29th Jul 2025823 PMAQI
29th Jul 2025794 PMAQI
29th Jul 2025735 PMAQI
29th Jul 2025736 PMAQI
29th Jul 2025667 PMAQI
29th Jul 2025678 PMAQI
29th Jul 2025669 PMAQI
29th Jul 20256710 PMAQI
29th Jul 20256311 PMAQI
30th Jul 20256412 AMAQI
30th Jul 2025641 AMAQI
30th Jul 2025642 AMAQI
30th Jul 2025673 AMAQI
30th Jul 2025684 AMAQI
32°C28/36°C
30th Jul 2025685 AMAQI
30th Jul 2025686 AMAQI
30th Jul 2025667 AMAQI
30th Jul 2025748 AMAQI
30th Jul 2025769 AMAQI
30th Jul 20257710 AMAQI
30th Jul 20257611 AMAQI
30th Jul 20257612 PMAQI
30th Jul 2025821 PMAQI
30th Jul 2025892 PMAQI
30th Jul 2025913 PMAQI
30th Jul 2025864 PMAQI
30th Jul 2025715 PMAQI
30th Jul 2025646 PMAQI
30th Jul 2025627 PMAQI
30th Jul 2025608 PMAQI
30th Jul 2025619 PMAQI
30th Jul 20255810 PMAQI
30th Jul 20255711 PMAQI
31st Jul 20255812 AMAQI
31st Jul 2025521 AMAQI
31st Jul 2025612 AMAQI
31st Jul 2025613 AMAQI
31st Jul 2025614 AMAQI
32°C28/37°C
31st Jul 2025615 AMAQI
31st Jul 2025616 AMAQI
31st Jul 2025617 AMAQI
31st Jul 2025618 AMAQI
31st Jul 2025599 AMAQI
31st Jul 20256410 AMAQI
31st Jul 20256411 AMAQI
31st Jul 20255912 PMAQI
31st Jul 2025591 PMAQI
31st Jul 2025632 PMAQI
31st Jul 2025623 PMAQI
31st Jul 2025604 PMAQI
31st Jul 2025605 PMAQI
31st Jul 2025576 PMAQI
31st Jul 2025567 PMAQI
31st Jul 2025598 PMAQI
31st Jul 2025599 PMAQI
31st Jul 20255810 PMAQI
31st Jul 20256111 PMAQI
1st Aug 20255512 AMAQI
1st Aug 2025561 AMAQI
1st Aug 2025532 AMAQI
1st Aug 2025523 AMAQI
1st Aug 2025524 AMAQI
32°C29/36°C
1st Aug 2025535 AMAQI
1st Aug 2025546 AMAQI
1st Aug 2025627 AMAQI
1st Aug 2025618 AMAQI
1st Aug 2025589 AMAQI
1st Aug 20255610 AMAQI
1st Aug 20255311 AMAQI
1st Aug 20255112 PMAQI
1st Aug 2025451 PMAQI
1st Aug 2025532 PMAQI
1st Aug 2025433 PMAQI
1st Aug 2025474 PMAQI
1st Aug 2025555 PMAQI
1st Aug 2025526 PMAQI
1st Aug 2025527 PMAQI
1st Aug 2025488 PMAQI
1st Aug 2025539 PMAQI
1st Aug 20255510 PMAQI
1st Aug 20255211 PMAQI
2nd Aug 20255412 AMAQI
2nd Aug 2025561 AMAQI
2nd Aug 2025552 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025554 AMAQI
28°C26/31°C
2nd Aug 2025565 AMAQI
5 AM2nd Aug 2025556 AMAQI
2nd Aug 2025427 AMAQI
2nd Aug 2025458 AMAQI
2nd Aug 2025429 AMAQI
2nd Aug 20255610 AMAQI
2nd Aug 20255211 AMAQI
11 AM2nd Aug 20255112 PMAQI
2nd Aug 2025451 PMAQI
2nd Aug 2025462 PMAQI
2nd Aug 2025523 PMAQI
2nd Aug 2025554 PMAQI
2nd Aug 2025615 PMAQI
2nd Aug 2025606 PMAQI
6 PM2nd Aug 2025567 PMAQI
2nd Aug 2025588 PMAQI
2nd Aug 2025619 PMAQI
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
9 AM - 5 PM
63AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
6 PM
56AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 5 PM (Avg. 63), while the lowest AQI was between 6 PM to 6 PM (Avg. 56).
Night time
Avg. Highest Time
1 AM - 11 PM
58AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
7 PM - 11 PM
57AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 11 PM (Avg. 58), while the lowest AQI was between 7 PM to 11 PM (Avg. 57).
2025 Days Vs Air Quality
Hanoi Hoan Kiem District Police Headquarters, Hanoi, Ha Noi, Vietnam
2025
3%
6
71%
152
23%
48
3%
7
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
6 DaysModerate
152 DaysPoor
48 DaysUnhealthy
7 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 3%
Health Risk Level:
Extreme
In 2025, 3% of 214 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
Hanoi Hoan Kiem District Police Headquarters, Hanoi, Ha Noi, 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
143AQI
143AQI
2nd January 2025
191AQI
191AQI
3rd January 2025
145AQI
145AQI
4th January 2025
110AQI
110AQI
5th January 2025
115AQI
115AQI
6th January 2025
114AQI
114AQI
7th January 2025
122AQI
122AQI
8th January 2025
119AQI
119AQI
9th January 2025
117AQI
117AQI
10th January 2025
85AQI
85AQI
11th January 2025
91AQI
91AQI
12th January 2025
107AQI
107AQI
13th January 2025
130AQI
130AQI
14th January 2025
133AQI
133AQI
15th January 2025
143AQI
143AQI
16th January 2025
134AQI
134AQI
17th January 2025
141AQI
141AQI
18th January 2025
155AQI
155AQI
19th January 2025
151AQI
151AQI
20th January 2025
169AQI
169AQI
21st January 2025
153AQI
153AQI
22nd January 2025
153AQI
153AQI
23rd January 2025
126AQI
126AQI
24th January 2025
134AQI
134AQI
25th January 2025
92AQI
92AQI
26th January 2025
64AQI
64AQI
27th January 2025
86AQI
86AQI
28th January 2025
75AQI
75AQI
29th January 2025
114AQI
114AQI
30th January 2025
100AQI
100AQI
31st January 2025
82AQI
82AQI
1st February 2025
72AQI
72AQI
2nd February 2025
62AQI
62AQI
3rd February 2025
49AQI
49AQI
4th February 2025
64AQI
64AQI
5th February 2025
93AQI
93AQI
6th February 2025
96AQI
96AQI
7th February 2025
53AQI
53AQI
8th February 2025
64AQI
64AQI
9th February 2025
81AQI
81AQI
10th February 2025
130AQI
130AQI
11th February 2025
143AQI
143AQI
12th February 2025
154AQI
154AQI
13th February 2025
133AQI
133AQI
14th February 2025
130AQI
130AQI
15th February 2025
130AQI
130AQI
16th February 2025
74AQI
74AQI
17th February 2025
100AQI
100AQI
18th February 2025
63AQI
63AQI
19th February 2025
83AQI
83AQI
20th February 2025
126AQI
126AQI
21st February 2025
103AQI
103AQI
22nd February 2025
127AQI
127AQI
23rd February 2025
63AQI
63AQI
24th February 2025
73AQI
73AQI
25th February 2025
89AQI
89AQI
26th February 2025
77AQI
77AQI
27th February 2025
134AQI
134AQI
28th February 2025
98AQI
98AQI
1st March 2025
105AQI
105AQI
2nd March 2025
80AQI
80AQI
3rd March 2025
84AQI
84AQI
4th March 2025
82AQI
82AQI
5th March 2025
91AQI
91AQI
6th March 2025
58AQI
58AQI
7th March 2025
67AQI
67AQI
8th March 2025
83AQI
83AQI
9th March 2025
126AQI
126AQI
10th March 2025
135AQI
135AQI
11th March 2025
119AQI
119AQI
12th March 2025
88AQI
88AQI
13th March 2025
79AQI
79AQI
14th March 2025
81AQI
81AQI
15th March 2025
74AQI
74AQI
16th March 2025
56AQI
56AQI
17th March 2025
77AQI
77AQI
18th March 2025
70AQI
70AQI
19th March 2025
73AQI
73AQI
20th March 2025
82AQI
82AQI
21st March 2025
121AQI
121AQI
22nd March 2025
115AQI
115AQI
23rd March 2025
125AQI
125AQI
24th March 2025
131AQI
131AQI
25th March 2025
135AQI
135AQI
26th March 2025
120AQI
120AQI
27th March 2025
113AQI
113AQI
28th March 2025
106AQI
106AQI
29th March 2025
83AQI
83AQI
30th March 2025
66AQI
66AQI
31st March 2025
71AQI
71AQI
1st April 2025
93AQI
93AQI
2nd April 2025
125AQI
125AQI
3rd April 2025
108AQI
108AQI
4th April 2025
100AQI
100AQI
5th April 2025
114AQI
114AQI
6th April 2025
134AQI
134AQI
7th April 2025
125AQI
125AQI
8th April 2025
122AQI
122AQI
9th April 2025
100AQI
100AQI
10th April 2025
100AQI
100AQI
11th April 2025
100AQI
100AQI
12th April 2025
108AQI
108AQI
13th April 2025
91AQI
91AQI
14th April 2025
98AQI
98AQI
15th April 2025
105AQI
105AQI
16th April 2025
107AQI
107AQI
17th April 2025
96AQI
96AQI
18th April 2025
101AQI
101AQI
19th April 2025
95AQI
95AQI
20th April 2025
84AQI
84AQI
21st April 2025
83AQI
83AQI
22nd April 2025
95AQI
95AQI
23rd April 2025
96AQI
96AQI
24th April 2025
90AQI
90AQI
25th April 2025
81AQI
81AQI
26th April 2025
82AQI
82AQI
27th April 2025
75AQI
75AQI
28th April 2025
70AQI
70AQI
29th April 2025
80AQI
80AQI
30th April 2025
79AQI
79AQI
1st May 2025
66AQI
66AQI
2nd May 2025
84AQI
84AQI
3rd May 2025
79AQI
79AQI
4th May 2025
77AQI
77AQI
5th May 2025
80AQI
80AQI
6th May 2025
75AQI
75AQI
7th May 2025
76AQI
76AQI
8th May 2025
77AQI
77AQI
9th May 2025
81AQI
81AQI
10th May 2025
82AQI
82AQI
11th May 2025
56AQI
56AQI
12th May 2025
70AQI
70AQI
13th May 2025
68AQI
68AQI
14th May 2025
64AQI
64AQI
15th May 2025
60AQI
60AQI
16th May 2025
61AQI
61AQI
17th May 2025
56AQI
56AQI
18th May 2025
56AQI
56AQI
19th May 2025
58AQI
58AQI
20th May 2025
58AQI
58AQI
21st May 2025
57AQI
57AQI
22nd May 2025
57AQI
57AQI
23rd May 2025
55AQI
55AQI
24th May 2025
54AQI
54AQI
25th May 2025
56AQI
56AQI
26th May 2025
59AQI
59AQI
27th May 2025
79AQI
79AQI
28th May 2025
74AQI
74AQI
29th May 2025
58AQI
58AQI
30th May 2025
57AQI
57AQI
31st May 2025
58AQI
58AQI
1st June 2025
51AQI
51AQI
2nd June 2025
52AQI
52AQI
3rd June 2025
55AQI
55AQI
4th June 2025
61AQI
61AQI
5th June 2025
72AQI
72AQI
6th June 2025
61AQI
61AQI
7th June 2025
60AQI
60AQI
8th June 2025
60AQI
60AQI
9th June 2025
65AQI
65AQI
10th June 2025
59AQI
59AQI
11th June 2025
65AQI
65AQI
12th June 2025
64AQI
64AQI
13th June 2025
60AQI
60AQI
14th June 2025
66AQI
66AQI
15th June 2025
68AQI
68AQI
16th June 2025
67AQI
67AQI
17th June 2025
67AQI
67AQI
18th June 2025
60AQI
60AQI
19th June 2025
63AQI
63AQI
20th June 2025
66AQI
66AQI
21st June 2025
58AQI
58AQI
22nd June 2025
53AQI
53AQI
23rd June 2025
59AQI
59AQI
24th June 2025
60AQI
60AQI
25th June 2025
54AQI
54AQI
26th June 2025
56AQI
56AQI
27th June 2025
58AQI
58AQI
28th June 2025
54AQI
54AQI
29th June 2025
55AQI
55AQI
30th June 2025
53AQI
53AQI
1st July 2025
47AQI
47AQI
2nd July 2025
45AQI
45AQI
3rd July 2025
54AQI
54AQI
4th July 2025
61AQI
61AQI
5th July 2025
60AQI
60AQI
6th July 2025
57AQI
57AQI
7th July 2025
66AQI
66AQI
8th July 2025
63AQI
63AQI
9th July 2025
68AQI
68AQI
10th July 2025
56AQI
56AQI
11th July 2025
56AQI
56AQI
12th July 2025
55AQI
55AQI
13th July 2025
56AQI
56AQI
14th July 2025
68AQI
68AQI
15th July 2025
79AQI
79AQI
16th July 2025
59AQI
59AQI
17th July 2025
58AQI
58AQI
18th July 2025
61AQI
61AQI
19th July 2025
74AQI
74AQI
20th July 2025
61AQI
61AQI
21st July 2025
56AQI
56AQI
22nd July 2025
39AQI
39AQI
23rd July 2025
44AQI
44AQI
24th July 2025
43AQI
43AQI
25th July 2025
58AQI
58AQI
26th July 2025
59AQI
59AQI
27th July 2025
58AQI
58AQI
28th July 2025
65AQI
65AQI
29th July 2025
74AQI
74AQI
30th July 2025
69AQI
69AQI
31st July 2025
60AQI
60AQI
1st August 2025
53AQI
53AQI
122AQI
95AQI
93AQI
98AQI
66AQI
60AQI
59AQI
53AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202585AQI
8
17
6
1
17
9
1
19
12
20
10
31
30
5
26
1
6
152
48
7
Highest AQI recorded in
January122AQI
Lowest AQI recorded in
August53AQI
202468AQI
9
7
1
1
1
2
10
30
8
23
27
2
6
14
6
3
7
11
9
4
2
26
2
1
17
12
1
65
140
29
8
Highest AQI recorded in
December96AQI
Lowest AQI recorded in
August35AQI
202376AQI
10
8
4
1
7
4
6
9
4
2
6
5
1
3
1
3
6
11
1
1
1
8
19
3
1
35
59
25
6
Highest AQI recorded in
January112AQI
Lowest AQI recorded in
July23AQI
202238AQI
3
9
8
2
20
24
1
3
3
48
12
11
2
Highest AQI recorded in
January97AQI
Lowest AQI recorded in
February0AQI
202167AQI
1
8
11
10
1
15
11
8
18
5
15
10
1
17
5
23
4
1
23
7
14
13
2
13
10
5
1
5
13
3
2
120
103
39
13
Highest AQI recorded in
January126AQI
Lowest AQI recorded in
July36AQI
202058AQI
3
24
6
1
20
11
13
15
19
11
4
26
2
18
10
85
87
11
Highest AQI recorded in
December91AQI
Lowest AQI recorded in
July46AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
85AQILeast Polluted Year Recorded
2022(Avg.)
38AQIHanoi Hoan Kiem District Police Headquarters's annual 2025 AQI (85) shows an average percentage change of 47.02% (worsened AQI) compared to previous years: 2020 (58), 2021 (67), 2022 (38), 2023 (76), 2024 (68).
