Hoan Kiem District, 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
Hoan Kiem District, Ha Noi, Vietnam
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
19th Aug 2023
112AQILowest AQI recorded on
16th Aug 2024
25AQISame Day Analysis (1st August ):
On this day, AQI across the 3 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: 1st Aug - 2nd Aug 2025
Hoan Kiem District, Ha Noi, Vietnam
AQI
Day
Night
.
5 AM1st Aug 2025
6 PM
4 AM2nd Aug 2025
Day time
Avg. Highest Time
8AM1st Aug
62AQI
Avg. Lowest Time
1PM1st Aug
43AQI
Night time
Avg. Highest Time
12AM2nd Aug
56AQI
Avg. Lowest Time
8PM1st Aug
48AQI
In the last 24 hours,
Hoan Kiem District's AQI reached its highest point of 62 at 8 AM during the Day, while the lowest point, 43, was recorded at 1 PM during the Day between 1st Aug and 2nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hoan Kiem District, 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 2025607 AMAQI
3rd Jul 2025648 AMAQI
3rd Jul 2025619 AMAQI
3rd Jul 20256110 AMAQI
3rd Jul 20256111 AMAQI
3rd Jul 20256112 PMAQI
3rd Jul 2025611 PMAQI
3rd Jul 2025612 PMAQI
3rd Jul 2025613 PMAQI
3rd Jul 2025514 PMAQI
3rd Jul 2025485 PMAQI
3rd Jul 2025496 PMAQI
3rd Jul 2025527 PMAQI
3rd Jul 2025538 PMAQI
3rd Jul 2025579 PMAQI
3rd Jul 20255810 PMAQI
3rd Jul 20255911 PMAQI
4th Jul 20255812 AMAQI
4th Jul 2025551 AMAQI
4th Jul 2025552 AMAQI
4th Jul 2025563 AMAQI
4th Jul 2025554 AMAQI
28°C25/31°C
4th Jul 2025555 AMAQI
4th Jul 2025556 AMAQI
4th Jul 2025747 AMAQI
4th Jul 2025828 AMAQI
4th Jul 2025799 AMAQI
4th Jul 20258010 AMAQI
4th Jul 20257111 AMAQI
4th Jul 20256612 PMAQI
4th Jul 2025631 PMAQI
4th Jul 2025682 PMAQI
4th Jul 2025653 PMAQI
4th Jul 2025644 PMAQI
4th Jul 2025625 PMAQI
4th Jul 2025596 PMAQI
4th Jul 2025597 PMAQI
4th Jul 2025618 PMAQI
4th Jul 2025629 PMAQI
4th Jul 20256010 PMAQI
4th Jul 20255811 PMAQI
5th Jul 20255812 AMAQI
5th Jul 2025571 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 2025617 AMAQI
5th Jul 2025618 AMAQI
5th Jul 2025629 AMAQI
5th Jul 20256210 AMAQI
5th Jul 20256511 AMAQI
5th Jul 20256412 PMAQI
5th Jul 2025641 PMAQI
5th Jul 2025702 PMAQI
5th Jul 2025703 PMAQI
5th Jul 2025684 PMAQI
5th Jul 2025635 PMAQI
5th Jul 2025646 PMAQI
5th Jul 2025627 PMAQI
5th Jul 2025648 PMAQI
5th Jul 2025659 PMAQI
5th Jul 20256610 PMAQI
5th Jul 20256011 PMAQI
6th Jul 20255812 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 2025598 AMAQI
6th Jul 2025629 AMAQI
6th Jul 20256210 AMAQI
6th Jul 20256211 AMAQI
6th Jul 20256112 PMAQI
6th Jul 2025601 PMAQI
6th Jul 2025622 PMAQI
6th Jul 2025573 PMAQI
6th Jul 2025554 PMAQI
6th Jul 2025545 PMAQI
6th Jul 2025516 PMAQI
6th Jul 2025537 PMAQI
6th Jul 2025548 PMAQI
6th Jul 2025589 PMAQI
6th Jul 20255810 PMAQI
6th Jul 20255611 PMAQI
7th Jul 20255512 AMAQI
7th Jul 2025601 AMAQI
7th Jul 2025602 AMAQI
7th Jul 2025603 AMAQI
7th Jul 2025604 AMAQI
29°C27/33°C
7th Jul 2025605 AMAQI
7th Jul 2025616 AMAQI
7th Jul 2025607 AMAQI
7th Jul 2025708 AMAQI
7th Jul 2025809 AMAQI
7th Jul 20258210 AMAQI
7th Jul 20257811 AMAQI
7th Jul 20257712 PMAQI
7th Jul 2025691 PMAQI
7th Jul 2025742 PMAQI
7th Jul 2025763 PMAQI
7th Jul 2025774 PMAQI
7th Jul 2025695 PMAQI
7th Jul 2025716 PMAQI
7th Jul 2025667 PMAQI
7th Jul 2025638 PMAQI
7th Jul 2025649 PMAQI
7th Jul 20256410 PMAQI
7th Jul 20256211 PMAQI
8th Jul 20255912 AMAQI
8th Jul 2025601 AMAQI
8th Jul 2025612 AMAQI
8th Jul 2025643 AMAQI
8th Jul 2025644 AMAQI
30°C26/35°C
8th Jul 2025645 AMAQI
8th Jul 2025636 AMAQI
8th Jul 2025617 AMAQI
8th Jul 2025648 AMAQI
8th Jul 2025649 AMAQI
8th Jul 20256610 AMAQI
8th Jul 20256511 AMAQI
8th Jul 20256312 PMAQI
8th Jul 2025641 PMAQI
8th Jul 2025672 PMAQI
8th Jul 2025703 PMAQI
8th Jul 2025704 PMAQI
8th Jul 2025665 PMAQI
8th Jul 2025626 PMAQI
8th Jul 2025567 PMAQI
8th Jul 2025568 PMAQI
8th Jul 2025609 PMAQI
8th Jul 20256010 PMAQI
8th Jul 20256311 PMAQI
9th Jul 20256612 AMAQI
9th Jul 2025611 AMAQI
9th Jul 2025632 AMAQI
9th Jul 2025633 AMAQI
9th Jul 2025624 AMAQI
31°C27/37°C
9th Jul 2025625 AMAQI
9th Jul 2025636 AMAQI
9th Jul 2025677 AMAQI
9th Jul 2025728 AMAQI
9th Jul 2025749 AMAQI
9th Jul 20257410 AMAQI
9th Jul 20257311 AMAQI
9th Jul 20257312 PMAQI
9th Jul 2025761 PMAQI
9th Jul 2025712 PMAQI
9th Jul 2025723 PMAQI
9th Jul 2025684 PMAQI
9th Jul 2025645 PMAQI
9th Jul 2025646 PMAQI
9th Jul 2025657 PMAQI
9th Jul 2025718 PMAQI
9th Jul 2025789 PMAQI
9th Jul 20257110 PMAQI
9th Jul 20256511 PMAQI
10th Jul 20256812 AMAQI
10th Jul 2025641 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 2025447 AMAQI
10th Jul 2025428 AMAQI
10th Jul 2025429 AMAQI
10th Jul 20254910 AMAQI
10th Jul 20254811 AMAQI
10th Jul 20255012 PMAQI
10th Jul 2025531 PMAQI
10th Jul 2025512 PMAQI
10th Jul 2025493 PMAQI
10th Jul 2025504 PMAQI
10th Jul 2025505 PMAQI
10th Jul 2025506 PMAQI
10th Jul 2025547 PMAQI
10th Jul 2025568 PMAQI
10th Jul 2025609 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255811 PMAQI
11th Jul 20255912 AMAQI
11th Jul 2025631 AMAQI
11th Jul 2025622 AMAQI
11th Jul 2025603 AMAQI
11th Jul 2025604 AMAQI
30°C26/35°C
11th Jul 2025605 AMAQI
11th Jul 2025606 AMAQI
11th Jul 2025477 AMAQI
11th Jul 2025438 AMAQI
11th Jul 2025529 AMAQI
11th Jul 20255610 AMAQI
11th Jul 20255311 AMAQI
11th Jul 20255512 PMAQI
11th Jul 2025571 PMAQI
11th Jul 2025562 PMAQI
11th Jul 2025573 PMAQI
11th Jul 2025584 PMAQI
11th Jul 2025585 PMAQI
11th Jul 2025566 PMAQI
11th Jul 2025567 PMAQI
11th Jul 2025568 PMAQI
11th Jul 2025559 PMAQI
11th Jul 20255410 PMAQI
11th Jul 20255311 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 2025588 AMAQI
12th Jul 2025549 AMAQI
12th Jul 20255610 AMAQI
12th Jul 20255311 AMAQI
12th Jul 20255512 PMAQI
12th Jul 2025561 PMAQI
12th Jul 2025582 PMAQI
12th Jul 2025583 PMAQI
12th Jul 2025524 PMAQI
12th Jul 2025555 PMAQI
12th Jul 2025526 PMAQI
12th Jul 2025537 PMAQI
12th Jul 2025528 PMAQI
12th Jul 2025539 PMAQI
12th Jul 20255310 PMAQI
12th Jul 20255111 PMAQI
13th Jul 20255312 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 2025587 AMAQI
13th Jul 2025588 AMAQI
13th Jul 2025579 AMAQI
13th Jul 20255810 AMAQI
13th Jul 20255611 AMAQI
13th Jul 20255612 PMAQI
13th Jul 2025561 PMAQI
13th Jul 2025582 PMAQI
13th Jul 2025603 PMAQI
13th Jul 2025554 PMAQI
13th Jul 2025515 PMAQI
13th Jul 2025536 PMAQI
13th Jul 2025557 PMAQI
13th Jul 2025568 PMAQI
13th Jul 2025589 PMAQI
13th Jul 20256010 PMAQI
13th Jul 20256111 PMAQI
14th Jul 20256012 AMAQI
14th Jul 2025581 AMAQI
14th Jul 2025572 AMAQI
14th Jul 2025583 AMAQI
14th Jul 2025584 AMAQI
29°C26/34°C
14th Jul 2025585 AMAQI
14th Jul 2025586 AMAQI
14th Jul 2025747 AMAQI
14th Jul 2025968 AMAQI
14th Jul 2025989 AMAQI
14th Jul 20259910 AMAQI
14th Jul 20258411 AMAQI
14th Jul 20258312 PMAQI
14th Jul 2025861 PMAQI
14th Jul 2025902 PMAQI
14th Jul 20251043 PMAQI
14th Jul 2025844 PMAQI
14th Jul 2025715 PMAQI
14th Jul 2025666 PMAQI
14th Jul 2025627 PMAQI
14th Jul 2025648 PMAQI
14th Jul 2025639 PMAQI
14th Jul 20256410 PMAQI
14th Jul 20256011 PMAQI
15th Jul 20255912 AMAQI
15th Jul 2025581 AMAQI
15th Jul 2025622 AMAQI
15th Jul 2025663 AMAQI
15th Jul 2025664 AMAQI
31°C27/35°C
15th Jul 2025675 AMAQI
15th Jul 2025686 AMAQI
15th Jul 2025667 AMAQI
15th Jul 2025808 AMAQI
15th Jul 2025889 AMAQI
15th Jul 20259710 AMAQI
15th Jul 202510311 AMAQI
15th Jul 202511812 PMAQI
15th Jul 20251131 PMAQI
15th Jul 20251242 PMAQI
15th Jul 20251303 PMAQI
15th Jul 20251134 PMAQI
15th Jul 20251005 PMAQI
15th Jul 20251006 PMAQI
15th Jul 2025827 PMAQI
15th Jul 2025748 PMAQI
15th Jul 2025739 PMAQI
15th Jul 20256710 PMAQI
15th Jul 20256011 PMAQI
16th Jul 20256212 AMAQI
16th Jul 2025621 AMAQI
16th Jul 2025642 AMAQI
16th Jul 2025703 AMAQI
16th Jul 2025714 AMAQI
30°C28/34°C
16th Jul 2025725 AMAQI
16th Jul 2025716 AMAQI
16th Jul 2025547 AMAQI
16th Jul 2025548 AMAQI
16th Jul 2025559 AMAQI
16th Jul 20255610 AMAQI
16th Jul 20255411 AMAQI
16th Jul 20255312 PMAQI
16th Jul 2025521 PMAQI
16th Jul 2025542 PMAQI
16th Jul 2025603 PMAQI
16th Jul 2025584 PMAQI
16th Jul 2025465 PMAQI
16th Jul 2025486 PMAQI
16th Jul 2025567 PMAQI
16th Jul 2025568 PMAQI
16th Jul 2025579 PMAQI
16th Jul 20255710 PMAQI
16th Jul 20255411 PMAQI
17th Jul 20255712 AMAQI
17th Jul 2025661 AMAQI
17th Jul 2025652 AMAQI
17th Jul 2025653 AMAQI
17th Jul 2025644 AMAQI
31°C27/35°C
17th Jul 2025655 AMAQI
17th Jul 2025646 AMAQI
17th Jul 2025547 AMAQI
17th Jul 2025548 AMAQI
17th Jul 2025589 AMAQI
17th Jul 20256310 AMAQI
17th Jul 20255711 AMAQI
17th Jul 20255512 PMAQI
17th Jul 2025551 PMAQI
17th Jul 2025562 PMAQI
17th Jul 2025563 PMAQI
17th Jul 2025534 PMAQI
17th Jul 2025535 PMAQI
17th Jul 2025536 PMAQI
17th Jul 2025567 PMAQI
17th Jul 2025578 PMAQI
17th Jul 2025569 PMAQI
17th Jul 20255510 PMAQI
17th Jul 20255411 PMAQI
18th Jul 20255912 AMAQI
18th Jul 2025621 AMAQI
18th Jul 2025622 AMAQI
18th Jul 2025623 AMAQI
18th Jul 2025614 AMAQI
31°C27/37°C
18th Jul 2025625 AMAQI
18th Jul 2025616 AMAQI
18th Jul 2025597 AMAQI
18th Jul 2025608 AMAQI
18th Jul 2025609 AMAQI
18th Jul 20256110 AMAQI
18th Jul 20256011 AMAQI
18th Jul 20256012 PMAQI
18th Jul 2025631 PMAQI
18th Jul 2025662 PMAQI
18th Jul 2025683 PMAQI
18th Jul 2025674 PMAQI
18th Jul 2025625 PMAQI
18th Jul 2025576 PMAQI
18th Jul 2025547 PMAQI
18th Jul 2025558 PMAQI
18th Jul 2025549 PMAQI
18th Jul 20255410 PMAQI
18th Jul 20255311 PMAQI
19th Jul 20255812 AMAQI
19th Jul 2025621 AMAQI
19th Jul 2025632 AMAQI
19th Jul 2025643 AMAQI
19th Jul 2025644 AMAQI
32°C28/37°C
19th Jul 2025655 AMAQI
19th Jul 2025656 AMAQI
19th Jul 2025807 AMAQI
19th Jul 20251008 AMAQI
19th Jul 20251369 AMAQI
19th Jul 202511110 AMAQI
19th Jul 202510211 AMAQI
19th Jul 20259712 PMAQI
19th Jul 2025961 PMAQI
19th Jul 2025882 PMAQI
19th Jul 2025913 PMAQI
19th Jul 2025724 PMAQI
19th Jul 2025755 PMAQI
19th Jul 2025726 PMAQI
19th Jul 2025697 PMAQI
19th Jul 2025708 PMAQI
19th Jul 2025629 PMAQI
19th Jul 20255410 PMAQI
19th Jul 20254911 PMAQI
20th Jul 20255512 AMAQI
20th Jul 2025641 AMAQI
20th Jul 2025662 AMAQI
20th Jul 2025693 AMAQI
20th Jul 2025694 AMAQI
31°C25/37°C
20th Jul 2025695 AMAQI
20th Jul 2025696 AMAQI
20th Jul 2025587 AMAQI
20th Jul 2025498 AMAQI
20th Jul 2025479 AMAQI
20th Jul 20254810 AMAQI
20th Jul 20255211 AMAQI
20th Jul 20255212 PMAQI
20th Jul 2025491 PMAQI
20th Jul 2025542 PMAQI
20th Jul 2025543 PMAQI
20th Jul 2025564 PMAQI
20th Jul 2025565 PMAQI
20th Jul 2025616 PMAQI
20th Jul 2025577 PMAQI
20th Jul 2025608 PMAQI
20th Jul 2025649 PMAQI
20th Jul 20256410 PMAQI
20th Jul 20256011 PMAQI
21st Jul 20256112 AMAQI
21st Jul 2025661 AMAQI
21st Jul 2025632 AMAQI
21st Jul 2025633 AMAQI
21st Jul 2025624 AMAQI
28°C25/31°C
21st Jul 2025635 AMAQI
21st Jul 2025646 AMAQI
21st Jul 2025587 AMAQI
21st Jul 2025608 AMAQI
21st Jul 2025569 AMAQI
21st Jul 20255710 AMAQI
21st Jul 20254911 AMAQI
21st Jul 20254612 PMAQI
21st Jul 2025471 PMAQI
21st Jul 2025522 PMAQI
21st Jul 2025463 PMAQI
21st Jul 2025454 PMAQI
21st Jul 2025435 PMAQI
21st Jul 2025496 PMAQI
21st Jul 2025507 PMAQI
21st Jul 2025478 PMAQI
21st Jul 2025479 PMAQI
21st Jul 20254910 PMAQI
21st Jul 20254811 PMAQI
22nd Jul 20255212 AMAQI
22nd Jul 2025591 AMAQI
22nd Jul 2025602 AMAQI
22nd Jul 2025603 AMAQI
22nd Jul 2025614 AMAQI
26°C25/27°C
22nd Jul 2025615 AMAQI
22nd Jul 2025626 AMAQI
22nd Jul 2025317 AMAQI
22nd Jul 2025238 AMAQI
22nd Jul 2025259 AMAQI
22nd Jul 20252210 AMAQI
22nd Jul 20252611 AMAQI
22nd Jul 20253112 PMAQI
22nd Jul 2025251 PMAQI
22nd Jul 2025292 PMAQI
22nd Jul 2025303 PMAQI
22nd Jul 2025284 PMAQI
22nd Jul 2025255 PMAQI
22nd Jul 2025266 PMAQI
22nd Jul 2025337 PMAQI
22nd Jul 2025308 PMAQI
22nd Jul 2025329 PMAQI
22nd Jul 20253210 PMAQI
22nd Jul 20253211 PMAQI
23rd Jul 20254112 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 2025408 AMAQI
23rd Jul 2025409 AMAQI
23rd Jul 20254010 AMAQI
23rd Jul 20253211 AMAQI
23rd Jul 20253712 PMAQI
23rd Jul 2025421 PMAQI
23rd Jul 2025402 PMAQI
23rd Jul 2025363 PMAQI
23rd Jul 2025364 PMAQI
23rd Jul 2025325 PMAQI
23rd Jul 2025356 PMAQI
23rd Jul 2025447 PMAQI
23rd Jul 2025508 PMAQI
23rd Jul 2025489 PMAQI
23rd Jul 20254910 PMAQI
23rd Jul 20254711 PMAQI
24th Jul 20254412 AMAQI
24th Jul 2025521 AMAQI
24th Jul 2025552 AMAQI
24th Jul 2025543 AMAQI
24th Jul 2025544 AMAQI
28°C26/31°C
24th Jul 2025535 AMAQI
24th Jul 2025546 AMAQI
24th Jul 2025437 AMAQI
24th Jul 2025388 AMAQI
24th Jul 2025409 AMAQI
24th Jul 20254610 AMAQI
24th Jul 20254211 AMAQI
24th Jul 20253512 PMAQI
24th Jul 2025401 PMAQI
24th Jul 2025362 PMAQI
24th Jul 2025393 PMAQI
24th Jul 2025344 PMAQI
24th Jul 2025315 PMAQI
24th Jul 2025276 PMAQI
24th Jul 2025357 PMAQI
24th Jul 2025418 PMAQI
24th Jul 2025439 PMAQI
24th Jul 20254210 PMAQI
24th Jul 20254411 PMAQI
25th Jul 20254712 AMAQI
25th Jul 2025501 AMAQI
25th Jul 2025542 AMAQI
25th Jul 2025533 AMAQI
25th Jul 2025544 AMAQI
28°C26/32°C
25th Jul 2025545 AMAQI
25th Jul 2025546 AMAQI
25th Jul 2025577 AMAQI
25th Jul 2025608 AMAQI
25th Jul 2025659 AMAQI
25th Jul 20256610 AMAQI
25th Jul 20256411 AMAQI
25th Jul 20256512 PMAQI
25th Jul 2025631 PMAQI
25th Jul 2025602 PMAQI
25th Jul 2025623 PMAQI
25th Jul 2025624 PMAQI
25th Jul 2025615 PMAQI
25th Jul 2025516 PMAQI
25th Jul 2025587 PMAQI
25th Jul 2025608 PMAQI
25th Jul 2025629 PMAQI
25th Jul 20255810 PMAQI
25th Jul 20255411 PMAQI
26th Jul 20255512 AMAQI
26th Jul 2025541 AMAQI
26th Jul 2025562 AMAQI
26th Jul 2025563 AMAQI
26th Jul 2025574 AMAQI
29°C25/34°C
26th Jul 2025575 AMAQI
26th Jul 2025576 AMAQI
26th Jul 2025627 AMAQI
26th Jul 2025688 AMAQI
26th Jul 2025709 AMAQI
26th Jul 20257310 AMAQI
26th Jul 20257811 AMAQI
26th Jul 20257412 PMAQI
26th Jul 2025641 PMAQI
26th Jul 2025652 PMAQI
26th Jul 2025623 PMAQI
26th Jul 2025684 PMAQI
26th Jul 2025655 PMAQI
26th Jul 2025616 PMAQI
26th Jul 2025567 PMAQI
26th Jul 2025588 PMAQI
26th Jul 2025549 PMAQI
26th Jul 20255110 PMAQI
26th Jul 20255111 PMAQI
27th Jul 20255012 AMAQI
27th Jul 2025561 AMAQI
27th Jul 2025562 AMAQI
27th Jul 2025573 AMAQI
27th Jul 2025574 AMAQI
29°C26/35°C
27th Jul 2025575 AMAQI
27th Jul 2025576 AMAQI
27th Jul 2025567 AMAQI
27th Jul 2025608 AMAQI
27th Jul 2025619 AMAQI
27th Jul 20256110 AMAQI
27th Jul 20256011 AMAQI
27th Jul 20255812 PMAQI
27th Jul 2025581 PMAQI
27th Jul 2025592 PMAQI
27th Jul 2025603 PMAQI
27th Jul 2025604 PMAQI
27th Jul 2025585 PMAQI
27th Jul 2025606 PMAQI
27th Jul 2025577 PMAQI
27th Jul 2025598 PMAQI
27th Jul 2025599 PMAQI
27th Jul 20255710 PMAQI
27th Jul 20255811 PMAQI
28th Jul 20255812 AMAQI
28th Jul 2025561 AMAQI
28th Jul 2025572 AMAQI
28th Jul 2025583 AMAQI
28th Jul 2025584 AMAQI
30°C26/36°C
28th Jul 2025575 AMAQI
28th Jul 2025586 AMAQI
28th Jul 2025627 AMAQI
28th Jul 2025688 AMAQI
28th Jul 2025759 AMAQI
28th Jul 20258210 AMAQI
28th Jul 20257111 AMAQI
28th Jul 20256812 PMAQI
28th Jul 2025731 PMAQI
28th Jul 2025682 PMAQI
28th Jul 2025663 PMAQI
28th Jul 2025624 PMAQI
28th Jul 2025655 PMAQI
28th Jul 2025616 PMAQI
28th Jul 2025627 PMAQI
28th Jul 2025628 PMAQI
28th Jul 2025729 PMAQI
28th Jul 20257310 PMAQI
28th Jul 20257211 PMAQI
29th Jul 20256512 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 2025807 AMAQI
29th Jul 20251098 AMAQI
29th Jul 20251189 AMAQI
29th Jul 202513010 AMAQI
29th Jul 202510311 AMAQI
29th Jul 20258812 PMAQI
29th Jul 2025841 PMAQI
29th Jul 2025902 PMAQI
29th Jul 2025853 PMAQI
29th Jul 2025784 PMAQI
29th Jul 2025765 PMAQI
29th Jul 2025706 PMAQI
29th Jul 2025677 PMAQI
29th Jul 2025688 PMAQI
29th Jul 2025669 PMAQI
29th Jul 20256510 PMAQI
29th Jul 20256311 PMAQI
30th Jul 20256412 AMAQI
30th Jul 2025641 AMAQI
30th Jul 2025642 AMAQI
30th Jul 2025683 AMAQI
30th Jul 2025684 AMAQI
32°C28/36°C
30th Jul 2025685 AMAQI
30th Jul 2025676 AMAQI
30th Jul 2025687 AMAQI
30th Jul 2025708 AMAQI
30th Jul 2025819 AMAQI
30th Jul 20258010 AMAQI
30th Jul 20257811 AMAQI
30th Jul 20257712 PMAQI
30th Jul 2025761 PMAQI
30th Jul 2025832 PMAQI
30th Jul 2025843 PMAQI
30th Jul 2025784 PMAQI
30th Jul 2025665 PMAQI
30th Jul 2025626 PMAQI
30th Jul 2025627 PMAQI
30th Jul 2025608 PMAQI
30th Jul 2025609 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 2025619 AMAQI
31st Jul 20256510 AMAQI
31st Jul 20256611 AMAQI
31st Jul 20256012 PMAQI
31st Jul 2025581 PMAQI
31st Jul 2025582 PMAQI
31st Jul 2025583 PMAQI
31st Jul 2025584 PMAQI
31st Jul 2025595 PMAQI
31st Jul 2025576 PMAQI
31st Jul 2025577 PMAQI
31st Jul 2025588 PMAQI
31st Jul 2025609 PMAQI
31st Jul 20256010 PMAQI
31st Jul 20256111 PMAQI
1st Aug 20255412 AMAQI
1st Aug 2025551 AMAQI
1st Aug 2025542 AMAQI
1st Aug 2025523 AMAQI
1st Aug 2025524 AMAQI
32°C29/36°C
1st Aug 2025545 AMAQI
1st Aug 2025546 AMAQI
1st Aug 2025617 AMAQI
1st Aug 2025628 AMAQI
1st Aug 2025579 AMAQI
1st Aug 20255610 AMAQI
1st Aug 20255411 AMAQI
1st Aug 20255012 PMAQI
1st Aug 2025431 PMAQI
1st Aug 2025522 PMAQI
1st Aug 2025443 PMAQI
1st Aug 2025494 PMAQI
1st Aug 2025575 PMAQI
1st Aug 2025506 PMAQI
1st Aug 2025527 PMAQI
1st Aug 2025488 PMAQI
1st Aug 2025549 PMAQI
1st Aug 20255510 PMAQI
1st Aug 20255211 PMAQI
2nd Aug 20255612 AMAQI
2nd Aug 2025561 AMAQI
2nd Aug 2025542 AMAQI
2nd Aug 2025543 AMAQI
2nd Aug 2025554 AMAQI
28°C26/31°C
2nd Aug 2025555 AMAQI
5 AM2nd Aug 2025556 AMAQI
2nd Aug 2025437 AMAQI
2nd Aug 2025498 AMAQI
2nd Aug 2025429 AMAQI
2nd Aug 20255110 AMAQI
2nd Aug 20255111 AMAQI
11 AM2nd Aug 20255212 PMAQI
2nd Aug 2025471 PMAQI
2nd Aug 2025472 PMAQI
2nd Aug 2025523 PMAQI
2nd Aug 2025564 PMAQI
2nd Aug 2025605 PMAQI
2nd Aug 2025606 PMAQI
6 PM2nd Aug 2025557 PMAQI
2nd Aug 2025568 PMAQI
2nd Aug 2025609 PMAQI
2nd Aug 20255810 PMAQI
2nd Aug 20256011 PMAQI
11 PM4 AM
--°C/°C
Day time
Avg. Highest Time
8 AM - 6 PM
62AQI
11 hours / Day
330 hours / Month
Avg. Lowest Time
5 PM - 6 PM
58AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 6 PM (Avg. 62), while the lowest AQI was between 5 PM to 6 PM (Avg. 58).
Night time
Avg. Highest Time
12 AM - 11 PM
58AQI
10 hours / Day
300 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 12 AM to 11 PM (Avg. 58), while the lowest AQI was between 7 PM to 11 PM (Avg. 57).
2025 Days Vs Air Quality
Hoan Kiem District, Ha Noi, Vietnam
2025
2%
5
68%
144
26%
56
4%
8
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
5 DaysModerate
144 DaysPoor
56 DaysUnhealthy
8 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 2%
Health Risk Level:
Extreme
In 2025, 2% 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
Hoan Kiem District, 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
187AQI
187AQI
3rd January 2025
141AQI
141AQI
4th January 2025
123AQI
123AQI
5th January 2025
131AQI
131AQI
6th January 2025
131AQI
131AQI
7th January 2025
136AQI
136AQI
8th January 2025
124AQI
124AQI
9th January 2025
141AQI
141AQI
10th January 2025
94AQI
94AQI
11th January 2025
103AQI
103AQI
12th January 2025
118AQI
118AQI
13th January 2025
140AQI
140AQI
14th January 2025
147AQI
147AQI
15th January 2025
150AQI
150AQI
16th January 2025
147AQI
147AQI
17th January 2025
155AQI
155AQI
18th January 2025
167AQI
167AQI
19th January 2025
162AQI
162AQI
20th January 2025
179AQI
179AQI
21st January 2025
163AQI
163AQI
22nd January 2025
160AQI
160AQI
23rd January 2025
140AQI
140AQI
24th January 2025
136AQI
136AQI
25th January 2025
109AQI
109AQI
26th January 2025
71AQI
71AQI
27th January 2025
96AQI
96AQI
28th January 2025
83AQI
83AQI
29th January 2025
122AQI
122AQI
30th January 2025
109AQI
109AQI
31st January 2025
94AQI
94AQI
1st February 2025
83AQI
83AQI
2nd February 2025
74AQI
74AQI
3rd February 2025
56AQI
56AQI
4th February 2025
71AQI
71AQI
5th February 2025
98AQI
98AQI
6th February 2025
98AQI
98AQI
7th February 2025
53AQI
53AQI
8th February 2025
62AQI
62AQI
9th February 2025
87AQI
87AQI
10th February 2025
138AQI
138AQI
11th February 2025
145AQI
145AQI
12th February 2025
161AQI
161AQI
13th February 2025
136AQI
136AQI
14th February 2025
133AQI
133AQI
15th February 2025
138AQI
138AQI
16th February 2025
74AQI
74AQI
17th February 2025
104AQI
104AQI
18th February 2025
62AQI
62AQI
19th February 2025
87AQI
87AQI
20th February 2025
132AQI
132AQI
21st February 2025
104AQI
104AQI
22nd February 2025
129AQI
129AQI
23rd February 2025
61AQI
61AQI
24th February 2025
74AQI
74AQI
25th February 2025
92AQI
92AQI
26th February 2025
81AQI
81AQI
27th February 2025
139AQI
139AQI
28th February 2025
104AQI
104AQI
1st March 2025
106AQI
106AQI
2nd March 2025
83AQI
83AQI
3rd March 2025
87AQI
87AQI
4th March 2025
87AQI
87AQI
5th March 2025
92AQI
92AQI
6th March 2025
62AQI
62AQI
7th March 2025
70AQI
70AQI
8th March 2025
92AQI
92AQI
9th March 2025
128AQI
128AQI
10th March 2025
138AQI
138AQI
11th March 2025
119AQI
119AQI
12th March 2025
90AQI
90AQI
13th March 2025
85AQI
85AQI
14th March 2025
86AQI
86AQI
15th March 2025
78AQI
78AQI
16th March 2025
57AQI
57AQI
17th March 2025
79AQI
79AQI
18th March 2025
77AQI
77AQI
19th March 2025
79AQI
79AQI
20th March 2025
88AQI
88AQI
21st March 2025
120AQI
120AQI
22nd March 2025
117AQI
117AQI
23rd March 2025
123AQI
123AQI
24th March 2025
130AQI
130AQI
25th March 2025
130AQI
130AQI
26th March 2025
113AQI
113AQI
27th March 2025
106AQI
106AQI
28th March 2025
110AQI
110AQI
29th March 2025
81AQI
81AQI
30th March 2025
66AQI
66AQI
31st March 2025
75AQI
75AQI
1st April 2025
98AQI
98AQI
2nd April 2025
129AQI
129AQI
3rd April 2025
109AQI
109AQI
4th April 2025
145AQI
145AQI
5th April 2025
120AQI
120AQI
6th April 2025
131AQI
131AQI
7th April 2025
124AQI
124AQI
8th April 2025
119AQI
119AQI
9th April 2025
93AQI
93AQI
10th April 2025
97AQI
97AQI
11th April 2025
98AQI
98AQI
12th April 2025
106AQI
106AQI
13th April 2025
94AQI
94AQI
14th April 2025
105AQI
105AQI
15th April 2025
106AQI
106AQI
16th April 2025
113AQI
113AQI
17th April 2025
102AQI
102AQI
18th April 2025
108AQI
108AQI
19th April 2025
101AQI
101AQI
20th April 2025
88AQI
88AQI
21st April 2025
88AQI
88AQI
22nd April 2025
95AQI
95AQI
23rd April 2025
99AQI
99AQI
24th April 2025
90AQI
90AQI
25th April 2025
82AQI
82AQI
26th April 2025
82AQI
82AQI
27th April 2025
72AQI
72AQI
28th April 2025
69AQI
69AQI
29th April 2025
80AQI
80AQI
30th April 2025
76AQI
76AQI
1st May 2025
65AQI
65AQI
2nd May 2025
83AQI
83AQI
3rd May 2025
80AQI
80AQI
4th May 2025
78AQI
78AQI
5th May 2025
83AQI
83AQI
6th May 2025
77AQI
77AQI
7th May 2025
77AQI
77AQI
8th May 2025
80AQI
80AQI
9th May 2025
82AQI
82AQI
10th May 2025
86AQI
86AQI
11th May 2025
56AQI
56AQI
12th May 2025
74AQI
74AQI
13th May 2025
71AQI
71AQI
14th May 2025
67AQI
67AQI
15th May 2025
62AQI
62AQI
16th May 2025
63AQI
63AQI
17th May 2025
57AQI
57AQI
18th May 2025
59AQI
59AQI
19th May 2025
58AQI
58AQI
20th May 2025
59AQI
59AQI
21st May 2025
58AQI
58AQI
22nd May 2025
58AQI
58AQI
23rd May 2025
57AQI
57AQI
24th May 2025
55AQI
55AQI
25th May 2025
57AQI
57AQI
26th May 2025
60AQI
60AQI
27th May 2025
82AQI
82AQI
28th May 2025
80AQI
80AQI
29th May 2025
64AQI
64AQI
30th May 2025
63AQI
63AQI
31st May 2025
64AQI
64AQI
1st June 2025
54AQI
54AQI
2nd June 2025
56AQI
56AQI
3rd June 2025
55AQI
55AQI
4th June 2025
60AQI
60AQI
5th June 2025
73AQI
73AQI
6th June 2025
61AQI
61AQI
7th June 2025
60AQI
60AQI
8th June 2025
60AQI
60AQI
9th June 2025
65AQI
65AQI
10th June 2025
61AQI
61AQI
11th June 2025
65AQI
65AQI
12th June 2025
62AQI
62AQI
13th June 2025
58AQI
58AQI
14th June 2025
63AQI
63AQI
15th June 2025
81AQI
81AQI
16th June 2025
64AQI
64AQI
17th June 2025
64AQI
64AQI
18th June 2025
60AQI
60AQI
19th June 2025
70AQI
70AQI
20th June 2025
73AQI
73AQI
21st June 2025
67AQI
67AQI
22nd June 2025
69AQI
69AQI
23rd June 2025
66AQI
66AQI
24th June 2025
67AQI
67AQI
25th June 2025
60AQI
60AQI
26th June 2025
59AQI
59AQI
27th June 2025
61AQI
61AQI
28th June 2025
55AQI
55AQI
29th June 2025
57AQI
57AQI
30th June 2025
55AQI
55AQI
1st July 2025
49AQI
49AQI
2nd July 2025
47AQI
47AQI
3rd July 2025
55AQI
55AQI
4th July 2025
62AQI
62AQI
5th July 2025
62AQI
62AQI
6th July 2025
58AQI
58AQI
7th July 2025
64AQI
64AQI
8th July 2025
62AQI
62AQI
9th July 2025
68AQI
68AQI
10th July 2025
58AQI
58AQI
11th July 2025
56AQI
56AQI
12th July 2025
54AQI
54AQI
13th July 2025
56AQI
56AQI
14th July 2025
69AQI
69AQI
15th July 2025
79AQI
79AQI
16th July 2025
58AQI
58AQI
17th July 2025
57AQI
57AQI
18th July 2025
59AQI
59AQI
19th July 2025
71AQI
71AQI
20th July 2025
58AQI
58AQI
21st July 2025
54AQI
54AQI
22nd July 2025
40AQI
40AQI
23rd July 2025
43AQI
43AQI
24th July 2025
43AQI
43AQI
25th July 2025
56AQI
56AQI
26th July 2025
59AQI
59AQI
27th July 2025
56AQI
56AQI
28th July 2025
63AQI
63AQI
29th July 2025
74AQI
74AQI
30th July 2025
67AQI
67AQI
31st July 2025
59AQI
59AQI
1st August 2025
54AQI
54AQI
132AQI
99AQI
95AQI
101AQI
68AQI
63AQI
59AQI
54AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202588AQI
5
19
7
16
11
1
19
12
16
14
31
30
5
26
1
5
144
56
8
Highest AQI recorded in
January132AQI
Lowest AQI recorded in
August54AQI
202467AQI
10
9
8
18
2
1
1
1
10
4
15
30
8
23
28
3
3
6
6
1
1
26
3
16
13
2
62
156
27
3
Highest AQI recorded in
December99AQI
Lowest AQI recorded in
March8AQI
2023104AQI
6
14
1
19
8
4
18
9
3
26
14
11
1
20
5
4
26
1
3
22
3
22
8
13
2
2
4
2
2
18
7
3
12
145
108
36
Highest AQI recorded in
January164AQI
Lowest AQI recorded in
July70AQI
2022138AQI
1
3
3
7
3
3
8
11
7
15
17
Highest AQI recorded in
October155AQI
Lowest AQI recorded in
November122AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2022(Avg.)
138AQILeast Polluted Year Recorded
2024(Avg.)
67AQIHoan Kiem District's annual 2025 AQI (88) shows an average percentage change of -6.5% (improved AQI) compared to previous years: 2022 (138), 2023 (104), 2024 (67).
