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HistoryAQIPM2.5PM10COSO2NO2O3

Hanoi Ubnd Tay Mo, 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+

October Air Quality Analysis

Hanoi Ubnd Tay Mo, Hanoi, Ha Noi, Vietnam

2021
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
5th Oct 2024
173AQI
Lowest AQI recorded on
22nd Oct 2021
12AQI

Same Day Analysis (10th October ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 122 of Poor air quality, showing improvement over 2024 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 10th Oct - 11th Oct 2025

Hanoi Ubnd Tay Mo, Hanoi, Ha Noi, Vietnam

AQI
Day
Night
.

5 AM10th Oct 2025

5 PM

4 AM11th Oct 2025

Day time
Avg. Highest Time
10AM10th Oct

162AQI

Avg. Lowest Time
3PM10th Oct

97AQI

Night time
Avg. Highest Time
11PM10th Oct

136AQI

Avg. Lowest Time
7PM10th Oct

99AQI

In the last 24 hours,

Hanoi Ubnd Tay Mo's AQI reached its highest point of 162 at 10 AM during the Day, while the lowest point, 97, was recorded at 3 PM during the Day between 10th Oct and 11th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Hanoi Ubnd Tay Mo, Hanoi, Ha Noi, Vietnam

SepOct
11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th
Day
Night
11th Sep 2025525 AMAQI
11th Sep 2025526 AMAQI
11th Sep 2025287 AMAQI
11th Sep 2025298 AMAQI
11th Sep 2025309 AMAQI
11th Sep 20254110 AMAQI
11th Sep 20253711 AMAQI
11th Sep 20253612 PMAQI
11th Sep 2025321 PMAQI
11th Sep 2025382 PMAQI
11th Sep 2025283 PMAQI
11th Sep 2025454 PMAQI
11th Sep 2025345 PMAQI
11th Sep 2025476 PMAQI
11th Sep 2025567 PMAQI
11th Sep 2025488 PMAQI
11th Sep 2025499 PMAQI
11th Sep 20254710 PMAQI
11th Sep 20254511 PMAQI
12th Sep 20255012 AMAQI
12th Sep 2025521 AMAQI
12th Sep 2025502 AMAQI
12th Sep 2025483 AMAQI
12th Sep 2025504 AMAQI

28°C25/33°C

12th Sep 2025515 AMAQI
12th Sep 2025526 AMAQI
12th Sep 2025317 AMAQI
12th Sep 2025338 AMAQI
12th Sep 2025269 AMAQI
12th Sep 20254010 AMAQI
12th Sep 20253111 AMAQI
12th Sep 20253412 PMAQI
12th Sep 2025291 PMAQI
12th Sep 2025322 PMAQI
12th Sep 2025243 PMAQI
12th Sep 2025274 PMAQI
12th Sep 2025405 PMAQI
12th Sep 2025426 PMAQI
12th Sep 2025407 PMAQI
12th Sep 2025448 PMAQI
12th Sep 2025389 PMAQI
12th Sep 20254610 PMAQI
12th Sep 20254711 PMAQI
13th Sep 20255212 AMAQI
13th Sep 2025501 AMAQI
13th Sep 2025492 AMAQI
13th Sep 2025493 AMAQI
13th Sep 2025494 AMAQI

28°C25/32°C

13th Sep 2025485 AMAQI
13th Sep 2025486 AMAQI
13th Sep 2025277 AMAQI
13th Sep 2025288 AMAQI
13th Sep 2025379 AMAQI
13th Sep 20253510 AMAQI
13th Sep 20253511 AMAQI
13th Sep 20253012 PMAQI
13th Sep 2025271 PMAQI
13th Sep 2025352 PMAQI
13th Sep 2025203 PMAQI
13th Sep 2025274 PMAQI
13th Sep 2025235 PMAQI
13th Sep 2025386 PMAQI
13th Sep 2025387 PMAQI
13th Sep 2025438 PMAQI
13th Sep 2025469 PMAQI
13th Sep 20253910 PMAQI
13th Sep 20254011 PMAQI
14th Sep 20254712 AMAQI
14th Sep 2025481 AMAQI
14th Sep 2025442 AMAQI
14th Sep 2025423 AMAQI
14th Sep 2025444 AMAQI

28°C25/33°C

14th Sep 2025445 AMAQI
14th Sep 2025446 AMAQI
14th Sep 2025297 AMAQI
14th Sep 2025298 AMAQI
14th Sep 2025319 AMAQI
14th Sep 20253510 AMAQI
14th Sep 20252811 AMAQI
14th Sep 20252812 PMAQI
14th Sep 2025381 PMAQI
14th Sep 2025332 PMAQI
14th Sep 2025383 PMAQI
14th Sep 2025384 PMAQI
14th Sep 2025325 PMAQI
14th Sep 2025356 PMAQI
14th Sep 2025447 PMAQI
14th Sep 2025538 PMAQI
14th Sep 2025489 PMAQI
14th Sep 20255210 PMAQI
14th Sep 20255011 PMAQI
15th Sep 20255312 AMAQI
15th Sep 2025491 AMAQI
15th Sep 2025462 AMAQI
15th Sep 2025413 AMAQI
15th Sep 2025444 AMAQI

28°C25/33°C

15th Sep 2025435 AMAQI
15th Sep 2025436 AMAQI
15th Sep 2025327 AMAQI
15th Sep 2025338 AMAQI
15th Sep 2025409 AMAQI
15th Sep 20254010 AMAQI
15th Sep 20253611 AMAQI
15th Sep 20254412 PMAQI
15th Sep 2025381 PMAQI
15th Sep 2025522 PMAQI
15th Sep 2025513 PMAQI
15th Sep 2025524 PMAQI
15th Sep 2025535 PMAQI
15th Sep 2025526 PMAQI
15th Sep 2025457 PMAQI
15th Sep 2025448 PMAQI
15th Sep 2025429 PMAQI
15th Sep 20255010 PMAQI
15th Sep 20254411 PMAQI
16th Sep 20254612 AMAQI
16th Sep 2025461 AMAQI
16th Sep 2025462 AMAQI
16th Sep 2025443 AMAQI
16th Sep 2025434 AMAQI

28°C25/31°C

16th Sep 2025455 AMAQI
16th Sep 2025446 AMAQI
16th Sep 2025497 AMAQI
16th Sep 2025598 AMAQI
16th Sep 2025589 AMAQI
16th Sep 20255110 AMAQI
16th Sep 20255511 AMAQI
16th Sep 20255212 PMAQI
16th Sep 2025461 PMAQI
16th Sep 2025432 PMAQI
16th Sep 2025453 PMAQI
16th Sep 2025504 PMAQI
16th Sep 2025505 PMAQI
16th Sep 2025546 PMAQI
16th Sep 2025507 PMAQI
16th Sep 2025558 PMAQI
16th Sep 2025509 PMAQI
16th Sep 20255810 PMAQI
16th Sep 20255411 PMAQI
17th Sep 20255612 AMAQI
17th Sep 2025461 AMAQI
17th Sep 2025462 AMAQI
17th Sep 2025473 AMAQI
17th Sep 2025484 AMAQI

28°C24/33°C

17th Sep 2025505 AMAQI
17th Sep 2025486 AMAQI
17th Sep 2025587 AMAQI
17th Sep 2025678 AMAQI
17th Sep 2025589 AMAQI
17th Sep 20256210 AMAQI
17th Sep 20255211 AMAQI
17th Sep 20253612 PMAQI
17th Sep 2025341 PMAQI
17th Sep 2025412 PMAQI
17th Sep 2025423 PMAQI
17th Sep 2025434 PMAQI
17th Sep 2025435 PMAQI
17th Sep 2025436 PMAQI
17th Sep 2025427 PMAQI
17th Sep 2025508 PMAQI
17th Sep 2025549 PMAQI
17th Sep 20255410 PMAQI
17th Sep 20255511 PMAQI
18th Sep 20255812 AMAQI
18th Sep 2025531 AMAQI
18th Sep 2025522 AMAQI
18th Sep 2025513 AMAQI
18th Sep 2025524 AMAQI

27°C25/31°C

18th Sep 2025525 AMAQI
18th Sep 2025526 AMAQI
18th Sep 2025637 AMAQI
18th Sep 2025648 AMAQI
18th Sep 2025679 AMAQI
18th Sep 20256910 AMAQI
18th Sep 20256011 AMAQI
18th Sep 20256212 PMAQI
18th Sep 2025591 PMAQI
18th Sep 2025562 PMAQI
18th Sep 2025523 PMAQI
18th Sep 2025504 PMAQI
18th Sep 2025485 PMAQI
18th Sep 2025546 PMAQI
18th Sep 2025567 PMAQI
18th Sep 2025568 PMAQI
18th Sep 2025599 PMAQI
18th Sep 20256110 PMAQI
18th Sep 20256511 PMAQI
19th Sep 20256212 AMAQI
19th Sep 2025531 AMAQI
19th Sep 2025542 AMAQI
19th Sep 2025553 AMAQI
19th Sep 2025544 AMAQI

27°C25/30°C

19th Sep 2025555 AMAQI
19th Sep 2025546 AMAQI
19th Sep 2025667 AMAQI
19th Sep 2025698 AMAQI
19th Sep 2025709 AMAQI
19th Sep 20256710 AMAQI
19th Sep 20256811 AMAQI
19th Sep 20257412 PMAQI
19th Sep 2025631 PMAQI
19th Sep 2025592 PMAQI
19th Sep 2025573 PMAQI
19th Sep 2025504 PMAQI
19th Sep 2025465 PMAQI
19th Sep 2025556 PMAQI
19th Sep 2025587 PMAQI
19th Sep 2025588 PMAQI
19th Sep 2025589 PMAQI
19th Sep 20255710 PMAQI
19th Sep 20255811 PMAQI
20th Sep 20255812 AMAQI
20th Sep 2025551 AMAQI
20th Sep 2025562 AMAQI
20th Sep 2025573 AMAQI
20th Sep 2025564 AMAQI

28°C25/33°C

20th Sep 2025575 AMAQI
20th Sep 2025586 AMAQI
20th Sep 2025647 AMAQI
20th Sep 2025708 AMAQI
20th Sep 2025759 AMAQI
20th Sep 20258610 AMAQI
20th Sep 20257411 AMAQI
20th Sep 20258312 PMAQI
20th Sep 2025771 PMAQI
20th Sep 2025712 PMAQI
20th Sep 2025693 PMAQI
20th Sep 2025714 PMAQI
20th Sep 2025685 PMAQI
20th Sep 2025686 PMAQI
20th Sep 2025657 PMAQI
20th Sep 2025688 PMAQI
20th Sep 2025709 PMAQI
20th Sep 20257610 PMAQI
20th Sep 20257611 PMAQI
21st Sep 20257012 AMAQI
21st Sep 2025611 AMAQI
21st Sep 2025582 AMAQI
21st Sep 2025613 AMAQI
21st Sep 2025614 AMAQI

29°C25/35°C

21st Sep 2025605 AMAQI
21st Sep 2025616 AMAQI
21st Sep 2025757 AMAQI
21st Sep 2025818 AMAQI
21st Sep 2025829 AMAQI
21st Sep 20259210 AMAQI
21st Sep 20258511 AMAQI
21st Sep 20258612 PMAQI
21st Sep 2025781 PMAQI
21st Sep 2025832 PMAQI
21st Sep 2025743 PMAQI
21st Sep 2025764 PMAQI
21st Sep 2025785 PMAQI
21st Sep 2025746 PMAQI
21st Sep 2025717 PMAQI
21st Sep 2025688 PMAQI
21st Sep 2025739 PMAQI
21st Sep 20257010 PMAQI
21st Sep 20257211 PMAQI
22nd Sep 20256512 AMAQI
22nd Sep 2025621 AMAQI
22nd Sep 2025612 AMAQI
22nd Sep 2025633 AMAQI
22nd Sep 2025644 AMAQI

29°C26/35°C

22nd Sep 2025645 AMAQI
22nd Sep 2025676 AMAQI
22nd Sep 2025617 AMAQI
22nd Sep 2025578 AMAQI
22nd Sep 2025569 AMAQI
22nd Sep 20255410 AMAQI
22nd Sep 20255211 AMAQI
22nd Sep 20255312 PMAQI
22nd Sep 2025571 PMAQI
22nd Sep 2025602 PMAQI
22nd Sep 2025713 PMAQI
22nd Sep 2025594 PMAQI
22nd Sep 2025625 PMAQI
22nd Sep 2025666 PMAQI
22nd Sep 2025657 PMAQI
22nd Sep 2025598 PMAQI
22nd Sep 2025599 PMAQI
22nd Sep 20256010 PMAQI
22nd Sep 20256111 PMAQI
23rd Sep 20255912 AMAQI
23rd Sep 2025601 AMAQI
23rd Sep 2025582 AMAQI
23rd Sep 2025613 AMAQI
23rd Sep 2025604 AMAQI

28°C26/32°C

23rd Sep 2025625 AMAQI
23rd Sep 2025626 AMAQI
23rd Sep 2025727 AMAQI
23rd Sep 2025748 AMAQI
23rd Sep 2025759 AMAQI
23rd Sep 20257810 AMAQI
23rd Sep 20256811 AMAQI
23rd Sep 20256512 PMAQI
23rd Sep 2025691 PMAQI
23rd Sep 2025622 PMAQI
23rd Sep 2025623 PMAQI
23rd Sep 2025604 PMAQI
23rd Sep 2025695 PMAQI
23rd Sep 2025656 PMAQI
23rd Sep 2025667 PMAQI
23rd Sep 2025698 PMAQI
23rd Sep 2025759 PMAQI
23rd Sep 20256810 PMAQI
23rd Sep 20256611 PMAQI
24th Sep 20256812 AMAQI
24th Sep 2025601 AMAQI
24th Sep 2025622 AMAQI
24th Sep 2025623 AMAQI
24th Sep 2025624 AMAQI

28°C24/32°C

24th Sep 2025625 AMAQI
24th Sep 2025636 AMAQI
24th Sep 2025627 AMAQI
24th Sep 2025628 AMAQI
24th Sep 2025619 AMAQI
24th Sep 20255610 AMAQI
24th Sep 20256111 AMAQI
24th Sep 20256012 PMAQI
24th Sep 2025561 PMAQI
24th Sep 2025542 PMAQI
24th Sep 2025533 PMAQI
24th Sep 2025534 PMAQI
24th Sep 2025545 PMAQI
24th Sep 2025586 PMAQI
24th Sep 2025567 PMAQI
24th Sep 2025588 PMAQI
24th Sep 2025599 PMAQI
24th Sep 20256410 PMAQI
24th Sep 20256511 PMAQI
25th Sep 20257012 AMAQI
25th Sep 2025611 AMAQI
25th Sep 2025612 AMAQI
25th Sep 2025603 AMAQI
25th Sep 2025614 AMAQI

29°C24/34°C

25th Sep 2025605 AMAQI
25th Sep 2025616 AMAQI
25th Sep 2025607 AMAQI
25th Sep 2025588 AMAQI
25th Sep 2025569 AMAQI
25th Sep 20256110 AMAQI
25th Sep 20255911 AMAQI
25th Sep 20256212 PMAQI
25th Sep 2025611 PMAQI
25th Sep 2025602 PMAQI
25th Sep 2025583 PMAQI
25th Sep 2025544 PMAQI
25th Sep 2025525 PMAQI
25th Sep 2025466 PMAQI
25th Sep 2025537 PMAQI
25th Sep 2025498 PMAQI
25th Sep 2025439 PMAQI
25th Sep 20253610 PMAQI
25th Sep 20253811 PMAQI
26th Sep 20253912 AMAQI
26th Sep 2025431 AMAQI
26th Sep 2025452 AMAQI
26th Sep 2025523 AMAQI
26th Sep 2025544 AMAQI

25°C24/24°C

26th Sep 2025565 AMAQI
26th Sep 2025576 AMAQI
26th Sep 2025567 AMAQI
26th Sep 2025588 AMAQI
26th Sep 2025579 AMAQI
26th Sep 20255910 AMAQI
26th Sep 20256711 AMAQI
26th Sep 20256812 PMAQI
26th Sep 2025631 PMAQI
26th Sep 2025592 PMAQI
26th Sep 2025583 PMAQI
26th Sep 2025584 PMAQI
26th Sep 2025605 PMAQI
26th Sep 2025616 PMAQI
26th Sep 2025627 PMAQI
26th Sep 2025618 PMAQI
26th Sep 2025609 PMAQI
26th Sep 20256110 PMAQI
26th Sep 20256511 PMAQI
27th Sep 20256212 AMAQI
27th Sep 2025591 AMAQI
27th Sep 2025542 AMAQI
27th Sep 2025443 AMAQI
27th Sep 2025454 AMAQI

25°C23/28°C

27th Sep 2025445 AMAQI
27th Sep 2025416 AMAQI
27th Sep 2025407 AMAQI
27th Sep 2025378 AMAQI
27th Sep 2025429 AMAQI
27th Sep 20254810 AMAQI
27th Sep 20255411 AMAQI
27th Sep 20255412 PMAQI
27th Sep 2025481 PMAQI
27th Sep 2025432 PMAQI
27th Sep 2025393 PMAQI
27th Sep 2025314 PMAQI
27th Sep 2025325 PMAQI
27th Sep 2025356 PMAQI
27th Sep 2025387 PMAQI
27th Sep 2025368 PMAQI
27th Sep 2025419 PMAQI
27th Sep 20254210 PMAQI
27th Sep 20255311 PMAQI
28th Sep 20255512 AMAQI
28th Sep 2025531 AMAQI
28th Sep 2025542 AMAQI
28th Sep 2025533 AMAQI
28th Sep 2025484 AMAQI

27°C24/30°C

28th Sep 2025535 AMAQI
28th Sep 2025546 AMAQI
28th Sep 2025557 AMAQI
28th Sep 2025528 AMAQI
28th Sep 2025489 AMAQI
28th Sep 20254810 AMAQI
28th Sep 20255211 AMAQI
28th Sep 20255012 PMAQI
28th Sep 2025511 PMAQI
28th Sep 2025522 PMAQI
28th Sep 2025463 PMAQI
28th Sep 2025454 PMAQI
28th Sep 2025505 PMAQI
28th Sep 2025446 PMAQI
28th Sep 2025347 PMAQI
28th Sep 2025338 PMAQI
28th Sep 2025359 PMAQI
28th Sep 20254310 PMAQI
28th Sep 20254411 PMAQI
29th Sep 20254512 AMAQI
29th Sep 2025581 AMAQI
29th Sep 2025592 AMAQI
29th Sep 2025603 AMAQI
29th Sep 2025604 AMAQI

25°C23/30°C

29th Sep 2025615 AMAQI
29th Sep 2025606 AMAQI
29th Sep 2025567 AMAQI
29th Sep 2025558 AMAQI
29th Sep 2025549 AMAQI
29th Sep 20254810 AMAQI
29th Sep 20254211 AMAQI
29th Sep 20254012 PMAQI
29th Sep 2025441 PMAQI
29th Sep 2025422 PMAQI
29th Sep 2025433 PMAQI
29th Sep 2025484 PMAQI
29th Sep 2025465 PMAQI
29th Sep 2025506 PMAQI
29th Sep 2025447 PMAQI
29th Sep 2025498 PMAQI
29th Sep 2025499 PMAQI
29th Sep 20254210 PMAQI
29th Sep 20254911 PMAQI
30th Sep 20254612 AMAQI
30th Sep 2025391 AMAQI
30th Sep 2025472 AMAQI
30th Sep 2025373 AMAQI
30th Sep 2025364 AMAQI

25°C24/25°C

30th Sep 2025425 AMAQI
30th Sep 2025446 AMAQI
30th Sep 2025367 AMAQI
30th Sep 2025408 AMAQI
30th Sep 2025369 AMAQI
30th Sep 20253810 AMAQI
30th Sep 20254411 AMAQI
30th Sep 20255212 PMAQI
30th Sep 2025461 PMAQI
30th Sep 2025352 PMAQI
30th Sep 2025313 PMAQI
30th Sep 2025534 PMAQI
30th Sep 2025585 PMAQI
30th Sep 2025346 PMAQI
30th Sep 2025427 PMAQI
30th Sep 2025458 PMAQI
30th Sep 2025499 PMAQI
30th Sep 20254810 PMAQI
30th Sep 20255211 PMAQI
1st Oct 20255612 AMAQI
1st Oct 2025601 AMAQI
1st Oct 2025762 AMAQI
1st Oct 2025903 AMAQI
1st Oct 2025924 AMAQI

26°C25/30°C

1st Oct 2025865 AMAQI
1st Oct 2025826 AMAQI
1st Oct 2025817 AMAQI
1st Oct 2025818 AMAQI
1st Oct 2025839 AMAQI
1st Oct 20258210 AMAQI
1st Oct 20256311 AMAQI
1st Oct 20256012 PMAQI
1st Oct 2025561 PMAQI
1st Oct 2025592 PMAQI
1st Oct 2025583 PMAQI
1st Oct 2025604 PMAQI
1st Oct 2025625 PMAQI
1st Oct 2025616 PMAQI
1st Oct 2025627 PMAQI
1st Oct 2025618 PMAQI
1st Oct 2025699 PMAQI
1st Oct 20257510 PMAQI
1st Oct 20258011 PMAQI
2nd Oct 20257312 AMAQI
2nd Oct 2025781 AMAQI
2nd Oct 2025742 AMAQI
2nd Oct 2025833 AMAQI
2nd Oct 2025994 AMAQI

27°C24/30°C

2nd Oct 20251025 AMAQI
2nd Oct 2025826 AMAQI
2nd Oct 2025927 AMAQI
2nd Oct 2025918 AMAQI
2nd Oct 2025999 AMAQI
2nd Oct 20258910 AMAQI
2nd Oct 20258311 AMAQI
2nd Oct 20256512 PMAQI
2nd Oct 2025651 PMAQI
2nd Oct 2025642 PMAQI
2nd Oct 2025613 PMAQI
2nd Oct 2025584 PMAQI
2nd Oct 2025595 PMAQI
2nd Oct 2025596 PMAQI
2nd Oct 2025617 PMAQI
2nd Oct 2025608 PMAQI
2nd Oct 2025659 PMAQI
2nd Oct 20257810 PMAQI
2nd Oct 20256911 PMAQI
3rd Oct 20257012 AMAQI
3rd Oct 2025671 AMAQI
3rd Oct 2025612 AMAQI
3rd Oct 2025633 AMAQI
3rd Oct 2025694 AMAQI

27°C24/32°C

3rd Oct 2025755 AMAQI
3rd Oct 2025726 AMAQI
3rd Oct 2025667 AMAQI
3rd Oct 2025718 AMAQI
3rd Oct 2025659 AMAQI
3rd Oct 20256910 AMAQI
3rd Oct 20256411 AMAQI
3rd Oct 20256012 PMAQI
3rd Oct 2025621 PMAQI
3rd Oct 2025602 PMAQI
3rd Oct 2025583 PMAQI
3rd Oct 2025574 PMAQI
3rd Oct 2025565 PMAQI
3rd Oct 2025516 PMAQI
3rd Oct 2025707 PMAQI
3rd Oct 2025728 PMAQI
3rd Oct 2025769 PMAQI
3rd Oct 20258410 PMAQI
3rd Oct 20259611 PMAQI
4th Oct 20258912 AMAQI
4th Oct 2025921 AMAQI
4th Oct 2025892 AMAQI
4th Oct 2025853 AMAQI
4th Oct 2025814 AMAQI

28°C24/33°C

4th Oct 2025815 AMAQI
4th Oct 2025916 AMAQI
4th Oct 2025997 AMAQI
4th Oct 2025978 AMAQI
4th Oct 2025979 AMAQI
4th Oct 202510510 AMAQI
4th Oct 202510411 AMAQI
4th Oct 20259112 PMAQI
4th Oct 20251031 PMAQI
4th Oct 20251082 PMAQI
4th Oct 2025913 PMAQI
4th Oct 2025934 PMAQI
4th Oct 2025925 PMAQI
4th Oct 2025996 PMAQI
4th Oct 2025957 PMAQI
4th Oct 2025998 PMAQI
4th Oct 20251049 PMAQI
4th Oct 20259910 PMAQI
4th Oct 202511511 PMAQI
5th Oct 202510012 AMAQI
5th Oct 2025951 AMAQI
5th Oct 20251022 AMAQI
5th Oct 2025993 AMAQI
5th Oct 20251114 AMAQI

28°C24/32°C

5th Oct 20251295 AMAQI
5th Oct 20251476 AMAQI
5th Oct 20251567 AMAQI
5th Oct 20251388 AMAQI
5th Oct 20251429 AMAQI
5th Oct 202512810 AMAQI
5th Oct 202512611 AMAQI
5th Oct 202513612 PMAQI
5th Oct 20251211 PMAQI
5th Oct 20251042 PMAQI
5th Oct 2025993 PMAQI
5th Oct 2025944 PMAQI
5th Oct 2025905 PMAQI
5th Oct 2025896 PMAQI
5th Oct 20251037 PMAQI
5th Oct 20251038 PMAQI
5th Oct 20251189 PMAQI
5th Oct 202513510 PMAQI
5th Oct 202514311 PMAQI
6th Oct 202514912 AMAQI
6th Oct 20251531 AMAQI
6th Oct 20251572 AMAQI
6th Oct 20251573 AMAQI
6th Oct 20251554 AMAQI

29°C25/34°C

6th Oct 20251505 AMAQI
6th Oct 20251506 AMAQI
6th Oct 20251247 AMAQI
6th Oct 20251358 AMAQI
6th Oct 20251159 AMAQI
6th Oct 202511210 AMAQI
6th Oct 202511211 AMAQI
6th Oct 202510112 PMAQI
6th Oct 2025931 PMAQI
6th Oct 2025832 PMAQI
6th Oct 2025623 PMAQI
6th Oct 2025644 PMAQI
6th Oct 2025655 PMAQI
6th Oct 2025676 PMAQI
6th Oct 2025687 PMAQI
6th Oct 2025658 PMAQI
6th Oct 2025659 PMAQI
6th Oct 20256710 PMAQI
6th Oct 20256511 PMAQI
7th Oct 20256612 AMAQI

25°C24/27°C

7th Oct 2025666 PMAQI
7th Oct 2025607 PMAQI
7th Oct 2025608 PMAQI
7th Oct 2025589 PMAQI
7th Oct 20255810 PMAQI
7th Oct 20256411 PMAQI
8th Oct 20256112 AMAQI
8th Oct 2025631 AMAQI
8th Oct 2025602 AMAQI
8th Oct 2025603 AMAQI
8th Oct 2025644 AMAQI

25°C24/27°C

8th Oct 2025625 AMAQI
8th Oct 2025576 AMAQI
8th Oct 2025557 AMAQI
8th Oct 2025638 AMAQI
8th Oct 2025779 AMAQI
8th Oct 20257610 AMAQI
8th Oct 20257711 AMAQI
8th Oct 20257812 PMAQI
8th Oct 2025741 PMAQI
8th Oct 2025712 PMAQI
8th Oct 2025773 PMAQI
8th Oct 2025844 PMAQI
8th Oct 2025775 PMAQI
8th Oct 2025746 PMAQI
8th Oct 2025687 PMAQI
8th Oct 2025688 PMAQI
8th Oct 2025739 PMAQI
8th Oct 20257710 PMAQI
8th Oct 20257711 PMAQI
9th Oct 20258312 AMAQI
9th Oct 20251021 AMAQI
9th Oct 20251052 AMAQI
9th Oct 20251163 AMAQI
9th Oct 20251254 AMAQI

27°C24/32°C

9th Oct 20251285 AMAQI
9th Oct 20251106 AMAQI
9th Oct 20251037 AMAQI
9th Oct 20251208 AMAQI
9th Oct 20251529 AMAQI
9th Oct 202514810 AMAQI
9th Oct 202513311 AMAQI
9th Oct 202512212 PMAQI
9th Oct 20251011 PMAQI
9th Oct 2025942 PMAQI
9th Oct 2025893 PMAQI
9th Oct 2025934 PMAQI
9th Oct 2025945 PMAQI
9th Oct 2025946 PMAQI
9th Oct 20251007 PMAQI
9th Oct 2025968 PMAQI
9th Oct 20251149 PMAQI
9th Oct 202512910 PMAQI
9th Oct 202512111 PMAQI
10th Oct 202511612 AMAQI
10th Oct 20251041 AMAQI
10th Oct 20251042 AMAQI
10th Oct 20251093 AMAQI
10th Oct 20251104 AMAQI

27°C24/32°C

10th Oct 20251315 AMAQI
10th Oct 20251356 AMAQI
10th Oct 20251517 AMAQI
10th Oct 20251548 AMAQI
10th Oct 20251619 AMAQI
10th Oct 202516210 AMAQI
10th Oct 202515511 AMAQI
10th Oct 202512912 PMAQI
10th Oct 20251231 PMAQI
10th Oct 20251012 PMAQI
10th Oct 2025973 PMAQI
10th Oct 2025984 PMAQI
10th Oct 20251015 PMAQI
10th Oct 20251026 PMAQI
10th Oct 2025997 PMAQI
10th Oct 20251098 PMAQI
10th Oct 20251229 PMAQI
10th Oct 202513210 PMAQI
10th Oct 202513611 PMAQI
11th Oct 202513112 AMAQI
11th Oct 20251231 AMAQI
11th Oct 20251112 AMAQI
11th Oct 20251003 AMAQI
11th Oct 20251014 AMAQI

28°C24/33°C

11th Oct 2025935 AMAQI
5 AM
11th Oct 2025956 AMAQI
11th Oct 20251037 AMAQI
11th Oct 20251088 AMAQI
11th Oct 20251379 AMAQI
11th Oct 202515610 AMAQI
11th Oct 202514911 AMAQI
11 AM
11th Oct 202513612 PMAQI
11th Oct 20251161 PMAQI
11th Oct 20251172 PMAQI
11th Oct 2025883 PMAQI
11th Oct 2025864 PMAQI
11th Oct 2025965 PMAQI
5 PM
11th Oct 20251016 PMAQI
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
9 AM - 10 AM

74AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
3 PM - 5 PM

59AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 10 AM (Avg. 74), while the lowest AQI was between 3 PM to 5 PM (Avg. 59).
Night time
Avg. Highest Time
10 PM - 11 PM

68AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
6 PM - 8 PM

61AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 11 PM (Avg. 68), while the lowest AQI was between 6 PM to 8 PM (Avg. 61).

2025 Days Vs Air Quality

Hanoi Ubnd Tay Mo, Hanoi, Ha Noi, Vietnam

2025

13%

37

64%

180

19%

54

4%

12

Total number of days with different AQI categories in last 284 days in 2025 (81 days remaining)

Good
37 Days
Moderate
180 Days
Poor
54 Days
Unhealthy
12 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 13%

Health Risk Level:

Extreme

In 2025, 13% of 284 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 Ubnd Tay Mo, 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.

-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
140AQI
2nd January 2025
187AQI
3rd January 2025
144AQI
4th January 2025
111AQI
5th January 2025
101AQI
6th January 2025
105AQI
7th January 2025
130AQI
8th January 2025
145AQI
9th January 2025
152AQI
10th January 2025
107AQI
11th January 2025
117AQI
12th January 2025
126AQI
13th January 2025
146AQI
14th January 2025
151AQI
15th January 2025
153AQI
16th January 2025
151AQI
17th January 2025
158AQI
18th January 2025
166AQI
19th January 2025
163AQI
20th January 2025
179AQI
21st January 2025
160AQI
22nd January 2025
157AQI
23rd January 2025
139AQI
24th January 2025
128AQI
25th January 2025
110AQI
26th January 2025
79AQI
27th January 2025
95AQI
28th January 2025
87AQI
29th January 2025
120AQI
30th January 2025
109AQI
31st January 2025
93AQI
1st February 2025
89AQI
2nd February 2025
74AQI
3rd February 2025
64AQI
4th February 2025
71AQI
5th February 2025
94AQI
6th February 2025
108AQI
7th February 2025
51AQI
8th February 2025
66AQI
9th February 2025
90AQI
10th February 2025
137AQI
11th February 2025
147AQI
12th February 2025
163AQI
13th February 2025
141AQI
14th February 2025
135AQI
15th February 2025
148AQI
16th February 2025
84AQI
17th February 2025
114AQI
18th February 2025
78AQI
19th February 2025
101AQI
20th February 2025
130AQI
21st February 2025
115AQI
22nd February 2025
129AQI
23rd February 2025
76AQI
24th February 2025
78AQI
25th February 2025
87AQI
26th February 2025
80AQI
27th February 2025
138AQI
28th February 2025
101AQI
1st March 2025
110AQI
2nd March 2025
86AQI
3rd March 2025
88AQI
4th March 2025
90AQI
5th March 2025
90AQI
6th March 2025
69AQI
7th March 2025
76AQI
8th March 2025
96AQI
9th March 2025
127AQI
10th March 2025
139AQI
11th March 2025
117AQI
12th March 2025
102AQI
13th March 2025
86AQI
14th March 2025
93AQI
15th March 2025
84AQI
16th March 2025
65AQI
17th March 2025
83AQI
18th March 2025
85AQI
19th March 2025
82AQI
20th March 2025
93AQI
21st March 2025
116AQI
22nd March 2025
110AQI
23rd March 2025
118AQI
24th March 2025
125AQI
25th March 2025
129AQI
26th March 2025
98AQI
27th March 2025
98AQI
28th March 2025
102AQI
29th March 2025
78AQI
30th March 2025
61AQI
31st March 2025
70AQI
1st April 2025
92AQI
2nd April 2025
121AQI
3rd April 2025
106AQI
4th April 2025
142AQI
5th April 2025
105AQI
6th April 2025
122AQI
7th April 2025
109AQI
8th April 2025
108AQI
9th April 2025
88AQI
10th April 2025
92AQI
11th April 2025
92AQI
12th April 2025
100AQI
13th April 2025
90AQI
14th April 2025
100AQI
15th April 2025
105AQI
16th April 2025
111AQI
17th April 2025
100AQI
18th April 2025
104AQI
19th April 2025
94AQI
20th April 2025
84AQI
21st April 2025
82AQI
22nd April 2025
88AQI
23rd April 2025
94AQI
24th April 2025
81AQI
25th April 2025
74AQI
26th April 2025
77AQI
27th April 2025
61AQI
28th April 2025
58AQI
29th April 2025
75AQI
30th April 2025
68AQI
1st May 2025
58AQI
2nd May 2025
77AQI
3rd May 2025
77AQI
4th May 2025
76AQI
5th May 2025
81AQI
6th May 2025
72AQI
7th May 2025
72AQI
8th May 2025
76AQI
9th May 2025
78AQI
10th May 2025
78AQI
11th May 2025
51AQI
12th May 2025
71AQI
13th May 2025
69AQI
14th May 2025
65AQI
15th May 2025
62AQI
16th May 2025
60AQI
17th May 2025
54AQI
18th May 2025
59AQI
19th May 2025
57AQI
20th May 2025
60AQI
21st May 2025
59AQI
22nd May 2025
59AQI
23rd May 2025
57AQI
24th May 2025
58AQI
25th May 2025
58AQI
26th May 2025
65AQI
27th May 2025
92AQI
28th May 2025
92AQI
29th May 2025
70AQI
30th May 2025
69AQI
31st May 2025
62AQI
1st June 2025
54AQI
2nd June 2025
55AQI
3rd June 2025
53AQI
4th June 2025
59AQI
5th June 2025
70AQI
6th June 2025
59AQI
7th June 2025
59AQI
8th June 2025
59AQI
9th June 2025
63AQI
10th June 2025
61AQI
11th June 2025
62AQI
12th June 2025
60AQI
13th June 2025
58AQI
14th June 2025
60AQI
15th June 2025
67AQI
16th June 2025
64AQI
17th June 2025
61AQI
18th June 2025
56AQI
19th June 2025
64AQI
20th June 2025
71AQI
21st June 2025
67AQI
22nd June 2025
64AQI
23rd June 2025
64AQI
24th June 2025
69AQI
25th June 2025
64AQI
26th June 2025
59AQI
27th June 2025
59AQI
28th June 2025
55AQI
29th June 2025
57AQI
30th June 2025
56AQI
1st July 2025
50AQI
2nd July 2025
51AQI
3rd July 2025
55AQI
4th July 2025
64AQI
5th July 2025
63AQI
6th July 2025
58AQI
7th July 2025
64AQI
8th July 2025
61AQI
9th July 2025
67AQI
10th July 2025
58AQI
11th July 2025
57AQI
12th July 2025
56AQI
13th July 2025
57AQI
14th July 2025
69AQI
15th July 2025
78AQI
16th July 2025
62AQI
17th July 2025
62AQI
18th July 2025
61AQI
19th July 2025
72AQI
20th July 2025
62AQI
21st July 2025
60AQI
22nd July 2025
51AQI
23rd July 2025
53AQI
24th July 2025
51AQI
25th July 2025
57AQI
26th July 2025
61AQI
27th July 2025
61AQI
28th July 2025
67AQI
29th July 2025
76AQI
30th July 2025
68AQI
31st July 2025
59AQI
1st August 2025
53AQI
2nd August 2025
54AQI
3rd August 2025
56AQI
4th August 2025
56AQI
5th August 2025
55AQI
6th August 2025
53AQI
7th August 2025
56AQI
8th August 2025
57AQI
9th August 2025
55AQI
10th August 2025
57AQI
11th August 2025
55AQI
12th August 2025
50AQI
13th August 2025
51AQI
14th August 2025
54AQI
15th August 2025
45AQI
16th August 2025
43AQI
17th August 2025
39AQI
18th August 2025
38AQI
19th August 2025
42AQI
20th August 2025
45AQI
21st August 2025
48AQI
22nd August 2025
47AQI
23rd August 2025
46AQI
24th August 2025
44AQI
25th August 2025
36AQI
26th August 2025
34AQI
27th August 2025
41AQI
28th August 2025
45AQI
29th August 2025
45AQI
30th August 2025
40AQI
31st August 2025
39AQI
1st September 2025
42AQI
2nd September 2025
41AQI
3rd September 2025
40AQI
4th September 2025
47AQI
5th September 2025
41AQI
6th September 2025
40AQI
7th September 2025
51AQI
8th September 2025
56AQI
9th September 2025
46AQI
10th September 2025
51AQI
11th September 2025
44AQI
12th September 2025
41AQI
13th September 2025
39AQI
14th September 2025
41AQI
15th September 2025
45AQI
16th September 2025
50AQI
17th September 2025
49AQI
18th September 2025
57AQI
19th September 2025
59AQI
20th September 2025
67AQI
21st September 2025
72AQI
22nd September 2025
61AQI
23rd September 2025
66AQI
24th September 2025
60AQI
25th September 2025
54AQI
26th September 2025
55AQI
27th September 2025
47AQI
28th September 2025
49AQI
29th September 2025
49AQI
30th September 2025
43AQI
1st October 2025
68AQI
2nd October 2025
75AQI
3rd October 2025
68AQI
4th October 2025
94AQI
5th October 2025
115AQI
6th October 2025
124AQI
7th October 2025
62AQI
8th October 2025
69AQI
9th October 2025
105AQI
10th October 2025
122AQI
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025

133AQI

103AQI

96AQI

94AQI

68AQI

61AQI

61AQI

48AQI

50AQI

90AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202579AQI

4
16
11
14
13
1
20
11
20
10
31
30
1
30
18
13
18
12
6
4
37
180
54
12

Highest AQI recorded in

January

133AQI

Lowest AQI recorded in

August

48AQI

202470AQI

6
10
1
2
1
2
10
30
8
23
29
5
13
8
3
7
9
10
5
2
26
2
16
13
2
63
137
33
10

Highest AQI recorded in

December

98AQI

Lowest AQI recorded in

April

13AQI

202368AQI

3
8
9
3
8
5
6
7
3
3
9
1
6
1
6
6
10
2
1
18
13
52
54
19
3

Highest AQI recorded in

January

100AQI

Lowest AQI recorded in

July

28AQI

202297AQI

1
12
2
2
2
2
4
2
3
16
4
2
2

Highest AQI recorded in

January

107AQI

Lowest AQI recorded in

December

75AQI

202156AQI

3
10
11
6
3
18
6
14
12
2
21
6
19
3
26
1
20
6
14
11
2
14
12
3
8
7
142
85
25
6

Highest AQI recorded in

January

105AQI

Lowest AQI recorded in

August

31AQI

202035AQI

3
31
31
27
2
29
1
26
4
9
17
4
156
24
4

Highest AQI recorded in

December

63AQI

Lowest AQI recorded in

June

23AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2022(Avg.)
97AQI
Least Polluted Year Recorded
2020(Avg.)
35AQI

Hanoi Ubnd Tay Mo's annual 2025 AQI (79) shows an average percentage change of 35.7% (worsened AQI) compared to previous years: 2020 (35), 2021 (56), 2022 (97), 2023 (68), 2024 (70).