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+
October 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
5th Oct 2024
167AQILowest AQI recorded on
20th Oct 2024
21AQISame Day Analysis (11th October ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 118 of Poor air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 11th Oct - 12th Oct 2025
Hanoi Hoan Kiem District Police Headquarters, Hanoi, Ha Noi, Vietnam
AQI
Day
Night
.
5 AM11th Oct 2025
5 PM
4 AM12th Oct 2025
Day time
Avg. Highest Time
11AM11th Oct
162AQI
Avg. Lowest Time
4PM11th Oct
92AQI
Night time
Avg. Highest Time
3AM12th Oct
129AQI
Avg. Lowest Time
6PM11th Oct
98AQI
In the last 24 hours,
Hanoi Hoan Kiem District Police Headquarters's AQI reached its highest point of 162 at 11 AM during the Day, while the lowest point, 92, was recorded at 4 PM during the Day between 11th Oct and 12th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Hanoi Hoan Kiem District Police Headquarters, Hanoi, Ha Noi, Vietnam
SepOct
12th - 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 - 12th12th
Day
Night
12th Sep 2025515 AMAQI
12th Sep 2025536 AMAQI
12th Sep 2025407 AMAQI
12th Sep 2025398 AMAQI
12th Sep 2025279 AMAQI
12th Sep 20254010 AMAQI
12th Sep 20252711 AMAQI
12th Sep 20253212 PMAQI
12th Sep 2025321 PMAQI
12th Sep 2025282 PMAQI
12th Sep 2025343 PMAQI
12th Sep 2025304 PMAQI
12th Sep 2025405 PMAQI
12th Sep 2025486 PMAQI
12th Sep 2025477 PMAQI
12th Sep 2025488 PMAQI
12th Sep 2025429 PMAQI
12th Sep 20254610 PMAQI
12th Sep 20255011 PMAQI
13th Sep 20255112 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 2025237 AMAQI
13th Sep 2025318 AMAQI
13th Sep 2025349 AMAQI
13th Sep 20254710 AMAQI
13th Sep 20254011 AMAQI
13th Sep 20253612 PMAQI
13th Sep 2025311 PMAQI
13th Sep 2025342 PMAQI
13th Sep 2025223 PMAQI
13th Sep 2025404 PMAQI
13th Sep 2025345 PMAQI
13th Sep 2025356 PMAQI
13th Sep 2025417 PMAQI
13th Sep 2025448 PMAQI
13th Sep 2025409 PMAQI
13th Sep 20253910 PMAQI
13th Sep 20254411 PMAQI
14th Sep 20254812 AMAQI
14th Sep 2025461 AMAQI
14th Sep 2025452 AMAQI
14th Sep 2025433 AMAQI
14th Sep 2025434 AMAQI
28°C25/33°C
14th Sep 2025445 AMAQI
14th Sep 2025446 AMAQI
14th Sep 2025347 AMAQI
14th Sep 2025248 AMAQI
14th Sep 2025289 AMAQI
14th Sep 20253610 AMAQI
14th Sep 20253111 AMAQI
14th Sep 20253312 PMAQI
14th Sep 2025351 PMAQI
14th Sep 2025332 PMAQI
14th Sep 2025403 PMAQI
14th Sep 2025364 PMAQI
14th Sep 2025345 PMAQI
14th Sep 2025366 PMAQI
14th Sep 2025447 PMAQI
14th Sep 2025528 PMAQI
14th Sep 2025489 PMAQI
14th Sep 20255210 PMAQI
14th Sep 20255011 PMAQI
15th Sep 20255412 AMAQI
15th Sep 2025481 AMAQI
15th Sep 2025462 AMAQI
15th Sep 2025423 AMAQI
15th Sep 2025434 AMAQI
28°C25/33°C
15th Sep 2025445 AMAQI
15th Sep 2025446 AMAQI
15th Sep 2025427 AMAQI
15th Sep 2025368 AMAQI
15th Sep 2025409 AMAQI
15th Sep 20254410 AMAQI
15th Sep 20253811 AMAQI
15th Sep 20253612 PMAQI
15th Sep 2025381 PMAQI
15th Sep 2025422 PMAQI
15th Sep 2025393 PMAQI
15th Sep 2025344 PMAQI
15th Sep 2025465 PMAQI
15th Sep 2025486 PMAQI
15th Sep 2025447 PMAQI
15th Sep 2025438 PMAQI
15th Sep 2025469 PMAQI
15th Sep 20254910 PMAQI
15th Sep 20254611 PMAQI
16th Sep 20254912 AMAQI
16th Sep 2025481 AMAQI
16th Sep 2025472 AMAQI
16th Sep 2025433 AMAQI
16th Sep 2025444 AMAQI
28°C25/31°C
16th Sep 2025455 AMAQI
16th Sep 2025446 AMAQI
16th Sep 2025527 AMAQI
16th Sep 2025608 AMAQI
16th Sep 2025499 AMAQI
16th Sep 20254710 AMAQI
16th Sep 20255311 AMAQI
16th Sep 20254412 PMAQI
16th Sep 2025481 PMAQI
16th Sep 2025432 PMAQI
16th Sep 2025423 PMAQI
16th Sep 2025384 PMAQI
16th Sep 2025425 PMAQI
16th Sep 2025456 PMAQI
16th Sep 2025477 PMAQI
16th Sep 2025528 PMAQI
16th Sep 2025479 PMAQI
16th Sep 20256010 PMAQI
16th Sep 20255411 PMAQI
17th Sep 20255912 AMAQI
17th Sep 2025471 AMAQI
17th Sep 2025482 AMAQI
17th Sep 2025483 AMAQI
17th Sep 2025484 AMAQI
28°C24/33°C
17th Sep 2025505 AMAQI
17th Sep 2025506 AMAQI
17th Sep 2025557 AMAQI
17th Sep 2025678 AMAQI
17th Sep 2025549 AMAQI
17th Sep 20255810 AMAQI
17th Sep 20255111 AMAQI
17th Sep 20254212 PMAQI
17th Sep 2025341 PMAQI
17th Sep 2025472 PMAQI
17th Sep 2025433 PMAQI
17th Sep 2025444 PMAQI
17th Sep 2025345 PMAQI
17th Sep 2025416 PMAQI
17th Sep 2025457 PMAQI
17th Sep 2025528 PMAQI
17th Sep 2025549 PMAQI
17th Sep 20255610 PMAQI
17th Sep 20255411 PMAQI
18th Sep 20255412 AMAQI
18th Sep 2025511 AMAQI
18th Sep 2025452 AMAQI
18th Sep 2025433 AMAQI
18th Sep 2025474 AMAQI
27°C25/31°C
18th Sep 2025505 AMAQI
18th Sep 2025526 AMAQI
18th Sep 2025557 AMAQI
18th Sep 2025548 AMAQI
18th Sep 2025539 AMAQI
18th Sep 20255510 AMAQI
18th Sep 20255511 AMAQI
18th Sep 20255412 PMAQI
18th Sep 2025561 PMAQI
18th Sep 2025562 PMAQI
18th Sep 2025443 PMAQI
18th Sep 2025444 PMAQI
18th Sep 2025395 PMAQI
18th Sep 2025396 PMAQI
18th Sep 2025387 PMAQI
18th Sep 2025528 PMAQI
18th Sep 2025559 PMAQI
18th Sep 20256010 PMAQI
18th Sep 20255811 PMAQI
19th Sep 20255612 AMAQI
19th Sep 2025531 AMAQI
19th Sep 2025512 AMAQI
19th Sep 2025493 AMAQI
19th Sep 2025484 AMAQI
27°C25/30°C
19th Sep 2025525 AMAQI
19th Sep 2025536 AMAQI
19th Sep 2025627 AMAQI
19th Sep 2025708 AMAQI
19th Sep 2025679 AMAQI
19th Sep 20256310 AMAQI
19th Sep 20256011 AMAQI
19th Sep 20256012 PMAQI
19th Sep 2025531 PMAQI
19th Sep 2025492 PMAQI
19th Sep 2025383 PMAQI
19th Sep 2025394 PMAQI
19th Sep 2025335 PMAQI
19th Sep 2025396 PMAQI
19th Sep 2025467 PMAQI
19th Sep 2025478 PMAQI
19th Sep 2025499 PMAQI
19th Sep 20255410 PMAQI
19th Sep 20254911 PMAQI
20th Sep 20254912 AMAQI
20th Sep 2025511 AMAQI
20th Sep 2025522 AMAQI
20th Sep 2025533 AMAQI
20th Sep 2025524 AMAQI
28°C25/33°C
20th Sep 2025525 AMAQI
20th Sep 2025566 AMAQI
20th Sep 2025617 AMAQI
20th Sep 2025678 AMAQI
20th Sep 2025749 AMAQI
20th Sep 20257510 AMAQI
20th Sep 20256211 AMAQI
20th Sep 20255912 PMAQI
20th Sep 2025601 PMAQI
20th Sep 2025642 PMAQI
20th Sep 2025603 PMAQI
20th Sep 2025604 PMAQI
20th Sep 2025565 PMAQI
20th Sep 2025566 PMAQI
20th Sep 2025547 PMAQI
20th Sep 2025588 PMAQI
20th Sep 2025689 PMAQI
20th Sep 20256810 PMAQI
20th Sep 20256411 PMAQI
21st Sep 20256412 AMAQI
21st Sep 2025591 AMAQI
21st Sep 2025542 AMAQI
21st Sep 2025613 AMAQI
21st Sep 2025614 AMAQI
29°C25/35°C
21st Sep 2025615 AMAQI
21st Sep 2025606 AMAQI
21st Sep 2025767 AMAQI
21st Sep 2025798 AMAQI
21st Sep 2025809 AMAQI
21st Sep 20258710 AMAQI
21st Sep 20257411 AMAQI
21st Sep 20257412 PMAQI
21st Sep 2025731 PMAQI
21st Sep 2025762 PMAQI
21st Sep 2025733 PMAQI
21st Sep 2025704 PMAQI
21st Sep 2025625 PMAQI
21st Sep 2025636 PMAQI
21st Sep 2025667 PMAQI
21st Sep 2025638 PMAQI
21st Sep 2025679 PMAQI
21st Sep 20256510 PMAQI
21st Sep 20256411 PMAQI
22nd Sep 20256112 AMAQI
22nd Sep 2025601 AMAQI
22nd Sep 2025562 AMAQI
22nd Sep 2025603 AMAQI
22nd Sep 2025584 AMAQI
29°C26/35°C
22nd Sep 2025605 AMAQI
22nd Sep 2025676 AMAQI
22nd Sep 2025597 AMAQI
22nd Sep 2025568 AMAQI
22nd Sep 2025529 AMAQI
22nd Sep 20255010 AMAQI
22nd Sep 20255111 AMAQI
22nd Sep 20254612 PMAQI
22nd Sep 2025441 PMAQI
22nd Sep 2025512 PMAQI
22nd Sep 2025573 PMAQI
22nd Sep 2025484 PMAQI
22nd Sep 2025495 PMAQI
22nd Sep 2025506 PMAQI
22nd Sep 2025547 PMAQI
22nd Sep 2025548 PMAQI
22nd Sep 2025549 PMAQI
22nd Sep 20255510 PMAQI
22nd Sep 20255811 PMAQI
23rd Sep 20255712 AMAQI
23rd Sep 2025581 AMAQI
23rd Sep 2025562 AMAQI
23rd Sep 2025563 AMAQI
23rd Sep 2025564 AMAQI
28°C26/32°C
23rd Sep 2025565 AMAQI
23rd Sep 2025626 AMAQI
23rd Sep 2025677 AMAQI
23rd Sep 2025708 AMAQI
23rd Sep 2025689 AMAQI
23rd Sep 20256410 AMAQI
23rd Sep 20256311 AMAQI
23rd Sep 20255412 PMAQI
23rd Sep 2025561 PMAQI
23rd Sep 2025522 PMAQI
23rd Sep 2025493 PMAQI
23rd Sep 2025534 PMAQI
23rd Sep 2025545 PMAQI
23rd Sep 2025556 PMAQI
23rd Sep 2025597 PMAQI
23rd Sep 2025588 PMAQI
23rd Sep 2025609 PMAQI
23rd Sep 20256010 PMAQI
23rd Sep 20256511 PMAQI
24th Sep 20256412 AMAQI
24th Sep 2025561 AMAQI
24th Sep 2025572 AMAQI
24th Sep 2025563 AMAQI
24th Sep 2025564 AMAQI
28°C24/32°C
24th Sep 2025575 AMAQI
24th Sep 2025626 AMAQI
24th Sep 2025567 AMAQI
24th Sep 2025588 AMAQI
24th Sep 2025549 AMAQI
24th Sep 20255410 AMAQI
24th Sep 20255411 AMAQI
24th Sep 20255212 PMAQI
24th Sep 2025541 PMAQI
24th Sep 2025492 PMAQI
24th Sep 2025443 PMAQI
24th Sep 2025434 PMAQI
24th Sep 2025355 PMAQI
24th Sep 2025376 PMAQI
24th Sep 2025467 PMAQI
24th Sep 2025518 PMAQI
24th Sep 2025549 PMAQI
24th Sep 20255810 PMAQI
24th Sep 20255511 PMAQI
25th Sep 20255612 AMAQI
25th Sep 2025551 AMAQI
25th Sep 2025552 AMAQI
25th Sep 2025553 AMAQI
25th Sep 2025544 AMAQI
29°C24/34°C
25th Sep 2025565 AMAQI
25th Sep 2025606 AMAQI
25th Sep 2025557 AMAQI
25th Sep 2025518 AMAQI
25th Sep 2025529 AMAQI
25th Sep 20255410 AMAQI
25th Sep 20254811 AMAQI
25th Sep 20255112 PMAQI
25th Sep 2025561 PMAQI
25th Sep 2025572 PMAQI
25th Sep 2025563 PMAQI
25th Sep 2025454 PMAQI
25th Sep 2025365 PMAQI
25th Sep 2025296 PMAQI
25th Sep 2025287 PMAQI
25th Sep 2025318 PMAQI
25th Sep 2025289 PMAQI
25th Sep 20253310 PMAQI
25th Sep 20253511 PMAQI
26th Sep 20253512 AMAQI
26th Sep 2025401 AMAQI
26th Sep 2025332 AMAQI
26th Sep 2025323 AMAQI
26th Sep 2025314 AMAQI
25°C24/24°C
26th Sep 2025365 AMAQI
26th Sep 2025406 AMAQI
26th Sep 2025427 AMAQI
26th Sep 2025448 AMAQI
26th Sep 2025469 AMAQI
26th Sep 20254810 AMAQI
26th Sep 20255511 AMAQI
26th Sep 20255612 PMAQI
26th Sep 2025591 PMAQI
26th Sep 2025622 PMAQI
26th Sep 2025583 PMAQI
26th Sep 2025584 PMAQI
26th Sep 2025585 PMAQI
26th Sep 2025596 PMAQI
26th Sep 2025607 PMAQI
26th Sep 2025608 PMAQI
26th Sep 2025599 PMAQI
26th Sep 20255910 PMAQI
26th Sep 20255911 PMAQI
27th Sep 20255612 AMAQI
27th Sep 2025531 AMAQI
27th Sep 2025482 AMAQI
27th Sep 2025373 AMAQI
27th Sep 2025354 AMAQI
25°C23/28°C
27th Sep 2025345 AMAQI
27th Sep 2025356 AMAQI
27th Sep 2025387 AMAQI
27th Sep 2025348 AMAQI
27th Sep 2025359 AMAQI
27th Sep 20253910 AMAQI
27th Sep 20253811 AMAQI
27th Sep 20254012 PMAQI
27th Sep 2025371 PMAQI
27th Sep 2025322 PMAQI
27th Sep 2025313 PMAQI
27th Sep 2025214 PMAQI
27th Sep 2025175 PMAQI
27th Sep 2025206 PMAQI
27th Sep 2025297 PMAQI
27th Sep 2025378 PMAQI
27th Sep 2025459 PMAQI
27th Sep 20254910 PMAQI
27th Sep 20255811 PMAQI
28th Sep 20256112 AMAQI
28th Sep 2025601 AMAQI
28th Sep 2025622 AMAQI
28th Sep 2025583 AMAQI
28th Sep 2025544 AMAQI
27°C24/30°C
28th Sep 2025535 AMAQI
28th Sep 2025536 AMAQI
28th Sep 2025537 AMAQI
28th Sep 2025498 AMAQI
28th Sep 2025459 AMAQI
28th Sep 20254710 AMAQI
28th Sep 20255311 AMAQI
28th Sep 20255112 PMAQI
28th Sep 2025461 PMAQI
28th Sep 2025492 PMAQI
28th Sep 2025393 PMAQI
28th Sep 2025344 PMAQI
28th Sep 2025375 PMAQI
28th Sep 2025286 PMAQI
28th Sep 2025247 PMAQI
28th Sep 2025288 PMAQI
28th Sep 2025249 PMAQI
28th Sep 20253010 PMAQI
28th Sep 20253111 PMAQI
29th Sep 20253612 AMAQI
29th Sep 2025551 AMAQI
29th Sep 2025552 AMAQI
29th Sep 2025543 AMAQI
29th Sep 2025524 AMAQI
25°C23/30°C
29th Sep 2025535 AMAQI
29th Sep 2025526 AMAQI
29th Sep 2025557 AMAQI
29th Sep 2025578 AMAQI
29th Sep 2025479 AMAQI
29th Sep 20253810 AMAQI
29th Sep 20254111 AMAQI
29th Sep 20254012 PMAQI
29th Sep 2025391 PMAQI
29th Sep 2025372 PMAQI
29th Sep 2025393 PMAQI
29th Sep 2025444 PMAQI
29th Sep 2025465 PMAQI
29th Sep 2025506 PMAQI
29th Sep 2025467 PMAQI
29th Sep 2025418 PMAQI
29th Sep 2025419 PMAQI
29th Sep 20254310 PMAQI
29th Sep 20254011 PMAQI
30th Sep 20254412 AMAQI
30th Sep 2025461 AMAQI
30th Sep 2025442 AMAQI
30th Sep 2025433 AMAQI
30th Sep 2025384 AMAQI
25°C24/25°C
30th Sep 2025355 AMAQI
30th Sep 2025376 AMAQI
30th Sep 2025387 AMAQI
30th Sep 2025348 AMAQI
30th Sep 2025329 AMAQI
30th Sep 20254810 AMAQI
30th Sep 20255311 AMAQI
30th Sep 20255812 PMAQI
30th Sep 2025571 PMAQI
30th Sep 2025402 PMAQI
30th Sep 2025293 PMAQI
30th Sep 2025474 PMAQI
30th Sep 2025615 PMAQI
30th Sep 2025426 PMAQI
30th Sep 2025367 PMAQI
30th Sep 2025408 PMAQI
30th Sep 2025419 PMAQI
30th Sep 20254510 PMAQI
30th Sep 20255311 PMAQI
1st Oct 20256112 AMAQI
1st Oct 2025621 AMAQI
1st Oct 2025742 AMAQI
1st Oct 2025753 AMAQI
1st Oct 2025814 AMAQI
26°C25/30°C
1st Oct 2025785 AMAQI
1st Oct 2025776 AMAQI
1st Oct 2025777 AMAQI
1st Oct 2025708 AMAQI
1st Oct 2025709 AMAQI
1st Oct 20256710 AMAQI
1st Oct 20255911 AMAQI
1st Oct 20255912 PMAQI
1st Oct 2025571 PMAQI
1st Oct 2025582 PMAQI
1st Oct 2025593 PMAQI
1st Oct 2025594 PMAQI
1st Oct 2025625 PMAQI
1st Oct 2025636 PMAQI
1st Oct 2025647 PMAQI
1st Oct 2025648 PMAQI
1st Oct 2025759 PMAQI
1st Oct 20257810 PMAQI
1st Oct 20257611 PMAQI
2nd Oct 20257512 AMAQI
2nd Oct 2025751 AMAQI
2nd Oct 2025672 AMAQI
2nd Oct 2025863 AMAQI
2nd Oct 20251004 AMAQI
27°C24/30°C
2nd Oct 2025975 AMAQI
2nd Oct 2025826 AMAQI
2nd Oct 2025907 AMAQI
2nd Oct 2025858 AMAQI
2nd Oct 2025959 AMAQI
2nd Oct 20258610 AMAQI
2nd Oct 20256811 AMAQI
2nd Oct 20256212 PMAQI
2nd Oct 2025591 PMAQI
2nd Oct 2025582 PMAQI
2nd Oct 2025573 PMAQI
2nd Oct 2025584 PMAQI
2nd Oct 2025555 PMAQI
2nd Oct 2025566 PMAQI
2nd Oct 2025557 PMAQI
2nd Oct 2025558 PMAQI
2nd Oct 2025589 PMAQI
2nd Oct 20257210 PMAQI
2nd Oct 20256411 PMAQI
3rd Oct 20256312 AMAQI
3rd Oct 2025641 AMAQI
3rd Oct 2025662 AMAQI
3rd Oct 2025663 AMAQI
3rd Oct 2025634 AMAQI
27°C24/32°C
3rd Oct 2025725 AMAQI
3rd Oct 2025666 AMAQI
3rd Oct 2025627 AMAQI
3rd Oct 2025748 AMAQI
3rd Oct 2025639 AMAQI
3rd Oct 20257110 AMAQI
3rd Oct 20256211 AMAQI
3rd Oct 20255912 PMAQI
3rd Oct 2025601 PMAQI
3rd Oct 2025572 PMAQI
3rd Oct 2025563 PMAQI
3rd Oct 2025584 PMAQI
3rd Oct 2025575 PMAQI
3rd Oct 2025536 PMAQI
3rd Oct 2025757 PMAQI
3rd Oct 2025778 PMAQI
3rd Oct 2025809 PMAQI
3rd Oct 20258810 PMAQI
3rd Oct 20259911 PMAQI
4th Oct 20259812 AMAQI
4th Oct 2025971 AMAQI
4th Oct 2025912 AMAQI
4th Oct 2025783 AMAQI
4th Oct 2025814 AMAQI
28°C24/33°C
4th Oct 2025765 AMAQI
4th Oct 2025796 AMAQI
4th Oct 2025897 AMAQI
4th Oct 2025998 AMAQI
4th Oct 20251039 AMAQI
4th Oct 202510410 AMAQI
4th Oct 202510211 AMAQI
4th Oct 20259012 PMAQI
4th Oct 2025951 PMAQI
4th Oct 2025972 PMAQI
4th Oct 2025923 PMAQI
4th Oct 2025914 PMAQI
4th Oct 2025925 PMAQI
4th Oct 2025916 PMAQI
4th Oct 2025867 PMAQI
4th Oct 2025928 PMAQI
4th Oct 2025999 PMAQI
4th Oct 202510110 PMAQI
4th Oct 202511511 PMAQI
5th Oct 202510112 AMAQI
5th Oct 2025971 AMAQI
5th Oct 20251032 AMAQI
5th Oct 20251013 AMAQI
5th Oct 20251104 AMAQI
28°C24/32°C
5th Oct 20251165 AMAQI
5th Oct 20251426 AMAQI
5th Oct 20251507 AMAQI
5th Oct 20251388 AMAQI
5th Oct 20251389 AMAQI
5th Oct 202513410 AMAQI
5th Oct 202513411 AMAQI
5th Oct 202513212 PMAQI
5th Oct 20251181 PMAQI
5th Oct 2025992 PMAQI
5th Oct 2025953 PMAQI
5th Oct 2025834 PMAQI
5th Oct 2025825 PMAQI
5th Oct 2025876 PMAQI
5th Oct 2025947 PMAQI
5th Oct 2025978 PMAQI
5th Oct 20251189 PMAQI
5th Oct 202513110 PMAQI
5th Oct 202514211 PMAQI
6th Oct 202515212 AMAQI
6th Oct 20251541 AMAQI
6th Oct 20251592 AMAQI
6th Oct 20251593 AMAQI
6th Oct 20251554 AMAQI
29°C25/34°C
6th Oct 20251525 AMAQI
6th Oct 20251516 AMAQI
6th Oct 20251317 AMAQI
6th Oct 20251238 AMAQI
6th Oct 20251289 AMAQI
6th Oct 202512310 AMAQI
6th Oct 202510611 AMAQI
6th Oct 202510012 PMAQI
6th Oct 2025891 PMAQI
6th Oct 2025832 PMAQI
6th Oct 2025583 PMAQI
6th Oct 2025554 PMAQI
6th Oct 2025555 PMAQI
6th Oct 2025626 PMAQI
6th Oct 2025627 PMAQI
6th Oct 2025678 PMAQI
6th Oct 2025649 PMAQI
6th Oct 20256510 PMAQI
6th Oct 20256011 PMAQI
7th Oct 20255712 AMAQI
25°C24/27°C
7th Oct 2025616 PMAQI
7th Oct 2025627 PMAQI
7th Oct 2025678 PMAQI
7th Oct 2025659 PMAQI
7th Oct 20255710 PMAQI
7th Oct 20255811 PMAQI
8th Oct 20256012 AMAQI
8th Oct 2025621 AMAQI
8th Oct 2025582 AMAQI
8th Oct 2025573 AMAQI
8th Oct 2025604 AMAQI
25°C24/28°C
8th Oct 2025585 AMAQI
8th Oct 2025586 AMAQI
8th Oct 2025557 AMAQI
8th Oct 2025678 AMAQI
8th Oct 2025819 AMAQI
8th Oct 20258410 AMAQI
8th Oct 20258611 AMAQI
8th Oct 20258412 PMAQI
8th Oct 2025791 PMAQI
8th Oct 2025742 PMAQI
8th Oct 2025773 PMAQI
8th Oct 2025884 PMAQI
8th Oct 2025805 PMAQI
8th Oct 2025696 PMAQI
8th Oct 2025697 PMAQI
8th Oct 2025718 PMAQI
8th Oct 2025759 PMAQI
8th Oct 20257710 PMAQI
8th Oct 20257611 PMAQI
9th Oct 20258212 AMAQI
9th Oct 20251011 AMAQI
9th Oct 20251122 AMAQI
9th Oct 20251243 AMAQI
9th Oct 20251184 AMAQI
27°C24/32°C
9th Oct 20251185 AMAQI
9th Oct 20251036 AMAQI
9th Oct 20251187 AMAQI
9th Oct 20251298 AMAQI
9th Oct 20251529 AMAQI
9th Oct 202515010 AMAQI
9th Oct 202513111 AMAQI
9th Oct 202511712 PMAQI
9th Oct 2025951 PMAQI
9th Oct 2025882 PMAQI
9th Oct 2025893 PMAQI
9th Oct 2025854 PMAQI
9th Oct 2025795 PMAQI
9th Oct 2025856 PMAQI
9th Oct 2025867 PMAQI
9th Oct 20251068 PMAQI
9th Oct 20251089 PMAQI
9th Oct 202512210 PMAQI
9th Oct 202512011 PMAQI
10th Oct 202511112 AMAQI
10th Oct 20251111 AMAQI
10th Oct 20251142 AMAQI
10th Oct 20251103 AMAQI
10th Oct 20251154 AMAQI
27°C24/32°C
10th Oct 20251255 AMAQI
10th Oct 20251306 AMAQI
10th Oct 20251477 AMAQI
10th Oct 20251628 AMAQI
10th Oct 20251579 AMAQI
10th Oct 202515810 AMAQI
10th Oct 202514011 AMAQI
10th Oct 202510812 PMAQI
10th Oct 2025991 PMAQI
10th Oct 2025962 PMAQI
10th Oct 2025983 PMAQI
10th Oct 2025994 PMAQI
10th Oct 2025955 PMAQI
10th Oct 2025956 PMAQI
10th Oct 2025977 PMAQI
10th Oct 20251018 PMAQI
10th Oct 20251089 PMAQI
10th Oct 202511210 PMAQI
10th Oct 202512511 PMAQI
11th Oct 202512812 AMAQI
11th Oct 20251131 AMAQI
11th Oct 20251122 AMAQI
11th Oct 20251073 AMAQI
11th Oct 2025954 AMAQI
28°C24/33°C
11th Oct 2025985 AMAQI
11th Oct 20251026 AMAQI
11th Oct 2025997 AMAQI
11th Oct 20251208 AMAQI
11th Oct 20251569 AMAQI
11th Oct 202515810 AMAQI
11th Oct 202516211 AMAQI
11th Oct 202514412 PMAQI
11th Oct 20251201 PMAQI
11th Oct 20251162 PMAQI
11th Oct 2025983 PMAQI
11th Oct 2025924 PMAQI
11th Oct 2025955 PMAQI
11th Oct 2025986 PMAQI
11th Oct 20251047 PMAQI
11th Oct 20251108 PMAQI
11th Oct 20251249 PMAQI
11th Oct 202512310 PMAQI
11th Oct 202512811 PMAQI
12th Oct 202512412 AMAQI
12th Oct 20251181 AMAQI
12th Oct 20251222 AMAQI
12th Oct 20251293 AMAQI
12th Oct 20251194 AMAQI
28°C25/32°C
12th Oct 20251315 AMAQI
5 AM12th Oct 20251336 AMAQI
12th Oct 20251377 AMAQI
12th Oct 20251468 AMAQI
12th Oct 20251059 AMAQI
12th Oct 20259410 AMAQI
12th Oct 202510311 AMAQI
11 AM12th Oct 202511112 PMAQI
12th Oct 20251041 PMAQI
12th Oct 20251042 PMAQI
12th Oct 20251063 PMAQI
12th Oct 20251014 PMAQI
12th Oct 20251025 PMAQI
5 PM11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 10 AM
72AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
3 PM - 5 PM
57AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 10 AM (Avg. 72), while the lowest AQI was between 3 PM to 5 PM (Avg. 57).
Night time
Avg. Highest Time
12 AM - 4 AM
68AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
6 PM
55AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 68), while the lowest AQI was between 6 PM to 6 PM (Avg. 55).
2025 Days Vs Air Quality
Hanoi Hoan Kiem District Police Headquarters, Hanoi, Ha Noi, Vietnam
2025
16%
45
63%
179
19%
53
2%
7
Total number of days with different AQI categories in last 285 days in 2025 (80 days remaining)
Good
45 DaysModerate
179 DaysPoor
53 DaysUnhealthy
7 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 16%
Health Risk Level:
Extreme
In 2025, 16% of 285 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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
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
2nd August 2025
54AQI
54AQI
3rd August 2025
56AQI
56AQI
4th August 2025
56AQI
56AQI
5th August 2025
55AQI
55AQI
6th August 2025
53AQI
53AQI
7th August 2025
57AQI
57AQI
8th August 2025
55AQI
55AQI
9th August 2025
53AQI
53AQI
10th August 2025
51AQI
51AQI
11th August 2025
52AQI
52AQI
12th August 2025
50AQI
50AQI
13th August 2025
52AQI
52AQI
14th August 2025
54AQI
54AQI
15th August 2025
44AQI
44AQI
16th August 2025
42AQI
42AQI
17th August 2025
39AQI
39AQI
18th August 2025
39AQI
39AQI
19th August 2025
41AQI
41AQI
20th August 2025
45AQI
45AQI
21st August 2025
47AQI
47AQI
22nd August 2025
46AQI
46AQI
23rd August 2025
45AQI
45AQI
24th August 2025
46AQI
46AQI
25th August 2025
37AQI
37AQI
26th August 2025
35AQI
35AQI
27th August 2025
39AQI
39AQI
28th August 2025
44AQI
44AQI
29th August 2025
45AQI
45AQI
30th August 2025
42AQI
42AQI
31st August 2025
41AQI
41AQI
1st September 2025
42AQI
42AQI
2nd September 2025
42AQI
42AQI
3rd September 2025
42AQI
42AQI
4th September 2025
45AQI
45AQI
5th September 2025
43AQI
43AQI
6th September 2025
41AQI
41AQI
7th September 2025
52AQI
52AQI
8th September 2025
56AQI
56AQI
9th September 2025
46AQI
46AQI
10th September 2025
51AQI
51AQI
11th September 2025
46AQI
46AQI
12th September 2025
43AQI
43AQI
13th September 2025
40AQI
40AQI
14th September 2025
41AQI
41AQI
15th September 2025
44AQI
44AQI
16th September 2025
48AQI
48AQI
17th September 2025
49AQI
49AQI
18th September 2025
50AQI
50AQI
19th September 2025
51AQI
51AQI
20th September 2025
59AQI
59AQI
21st September 2025
67AQI
67AQI
22nd September 2025
55AQI
55AQI
23rd September 2025
59AQI
59AQI
24th September 2025
53AQI
53AQI
25th September 2025
45AQI
45AQI
26th September 2025
47AQI
47AQI
27th September 2025
41AQI
41AQI
28th September 2025
47AQI
47AQI
29th September 2025
43AQI
43AQI
30th September 2025
42AQI
42AQI
1st October 2025
67AQI
67AQI
2nd October 2025
70AQI
70AQI
3rd October 2025
67AQI
67AQI
4th October 2025
93AQI
93AQI
5th October 2025
114AQI
114AQI
6th October 2025
121AQI
121AQI
7th October 2025
61AQI
61AQI
8th October 2025
68AQI
68AQI
9th October 2025
103AQI
103AQI
10th October 2025
113AQI
113AQI
11th October 2025
118AQI
118AQI
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
122AQI
95AQI
93AQI
98AQI
66AQI
60AQI
59AQI
47AQI
48AQI
90AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202577AQI
8
17
6
1
17
9
1
19
12
20
10
31
30
5
26
18
13
21
9
6
5
45
179
53
7
Highest AQI recorded in
January122AQI
Lowest AQI recorded in
August47AQI
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.)
77AQILeast Polluted Year Recorded
2022(Avg.)
38AQIHanoi Hoan Kiem District Police Headquarters's annual 2025 AQI (77) shows an average percentage change of 33.7% (worsened AQI) compared to previous years: 2020 (58), 2021 (67), 2022 (38), 2023 (76), 2024 (68).
