Hanoi US Embassy, 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 US Embassy, Hanoi, Ha Noi, Vietnam
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
27th Oct 2023
173AQILowest AQI recorded on
12th Oct 2022
8AQISame Day Analysis (5th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 112 of Poor air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 5th Oct - 6th Oct 2025
Hanoi US Embassy, Hanoi, Ha Noi, Vietnam
AQI
Day
Night
.
5 AM5th Oct 2025
5 PM
4 AM6th Oct 2025
Day time
Avg. Highest Time
7AM5th Oct
149AQI
Avg. Lowest Time
5PM5th Oct
85AQI
Night time
Avg. Highest Time
3AM6th Oct
159AQI
Avg. Lowest Time
6PM5th Oct
84AQI
In the last 24 hours,
Hanoi US Embassy's AQI reached its highest point of 159 at 3 AM during the Night, while the lowest point, 84, was recorded at 6 PM during the Night between 5th Oct and 6th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Hanoi US Embassy, Hanoi, Ha Noi, Vietnam
SepOct
06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 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
Day
Night
6th Sep 2025445 AMAQI
6th Sep 2025436 AMAQI
6th Sep 2025187 AMAQI
6th Sep 2025368 AMAQI
6th Sep 2025309 AMAQI
6th Sep 20254210 AMAQI
6th Sep 20254411 AMAQI
6th Sep 20253012 PMAQI
6th Sep 2025411 PMAQI
6th Sep 2025402 PMAQI
6th Sep 2025283 PMAQI
6th Sep 2025304 PMAQI
6th Sep 2025295 PMAQI
6th Sep 2025386 PMAQI
6th Sep 2025387 PMAQI
6th Sep 2025508 PMAQI
6th Sep 2025469 PMAQI
6th Sep 20254410 PMAQI
6th Sep 20254211 PMAQI
7th Sep 20254212 AMAQI
7th Sep 2025451 AMAQI
7th Sep 2025432 AMAQI
7th Sep 2025443 AMAQI
7th Sep 2025464 AMAQI
29°C26/35°C
7th Sep 2025455 AMAQI
7th Sep 2025446 AMAQI
7th Sep 2025377 AMAQI
7th Sep 2025438 AMAQI
7th Sep 2025569 AMAQI
7th Sep 20256010 AMAQI
7th Sep 20255011 AMAQI
7th Sep 20255812 PMAQI
7th Sep 2025601 PMAQI
7th Sep 2025572 PMAQI
7th Sep 2025543 PMAQI
7th Sep 2025494 PMAQI
7th Sep 2025515 PMAQI
7th Sep 2025496 PMAQI
7th Sep 2025527 PMAQI
7th Sep 2025558 PMAQI
7th Sep 2025609 PMAQI
7th Sep 20256210 PMAQI
7th Sep 20256211 PMAQI
8th Sep 20255512 AMAQI
8th Sep 2025581 AMAQI
8th Sep 2025532 AMAQI
8th Sep 2025493 AMAQI
8th Sep 2025474 AMAQI
30°C26/35°C
8th Sep 2025465 AMAQI
8th Sep 2025486 AMAQI
8th Sep 2025597 AMAQI
8th Sep 2025628 AMAQI
8th Sep 2025589 AMAQI
8th Sep 20256810 AMAQI
8th Sep 20256111 AMAQI
8th Sep 20256012 PMAQI
8th Sep 2025601 PMAQI
8th Sep 2025542 PMAQI
8th Sep 2025543 PMAQI
8th Sep 2025554 PMAQI
8th Sep 2025515 PMAQI
8th Sep 2025486 PMAQI
8th Sep 2025537 PMAQI
8th Sep 2025588 PMAQI
8th Sep 2025609 PMAQI
8th Sep 20255710 PMAQI
8th Sep 20256411 PMAQI
9th Sep 20256012 AMAQI
9th Sep 2025531 AMAQI
9th Sep 2025532 AMAQI
9th Sep 2025543 AMAQI
9th Sep 2025534 AMAQI
30°C26/36°C
9th Sep 2025555 AMAQI
9th Sep 2025546 AMAQI
9th Sep 2025497 AMAQI
9th Sep 2025488 AMAQI
9th Sep 2025549 AMAQI
9th Sep 20254310 AMAQI
9th Sep 20253411 AMAQI
9th Sep 20254112 PMAQI
9th Sep 2025321 PMAQI
9th Sep 2025282 PMAQI
9th Sep 2025273 PMAQI
9th Sep 2025284 PMAQI
9th Sep 2025385 PMAQI
9th Sep 2025416 PMAQI
9th Sep 2025437 PMAQI
9th Sep 2025468 PMAQI
9th Sep 2025479 PMAQI
9th Sep 20254910 PMAQI
9th Sep 20255411 PMAQI
10th Sep 20255312 AMAQI
10th Sep 2025531 AMAQI
10th Sep 2025522 AMAQI
10th Sep 2025523 AMAQI
10th Sep 2025524 AMAQI
28°C26/32°C
10th Sep 2025525 AMAQI
10th Sep 2025526 AMAQI
10th Sep 2025507 AMAQI
10th Sep 2025408 AMAQI
10th Sep 2025549 AMAQI
10th Sep 20254810 AMAQI
10th Sep 20254211 AMAQI
10th Sep 20255412 PMAQI
10th Sep 2025471 PMAQI
10th Sep 2025522 PMAQI
10th Sep 2025523 PMAQI
10th Sep 2025524 PMAQI
10th Sep 2025525 PMAQI
10th Sep 2025556 PMAQI
10th Sep 2025467 PMAQI
10th Sep 2025568 PMAQI
10th Sep 2025569 PMAQI
10th Sep 20254910 PMAQI
10th Sep 20254611 PMAQI
11th Sep 20255212 AMAQI
11th Sep 2025501 AMAQI
11th Sep 2025502 AMAQI
11th Sep 2025503 AMAQI
11th Sep 2025524 AMAQI
28°C25/31°C
11th Sep 2025525 AMAQI
11th Sep 2025526 AMAQI
11th Sep 2025357 AMAQI
11th Sep 2025278 AMAQI
11th Sep 2025329 AMAQI
11th Sep 20253910 AMAQI
11th Sep 20253811 AMAQI
11th Sep 20254012 PMAQI
11th Sep 2025331 PMAQI
11th Sep 2025402 PMAQI
11th Sep 2025323 PMAQI
11th Sep 2025434 PMAQI
11th Sep 2025335 PMAQI
11th Sep 2025466 PMAQI
11th Sep 2025557 PMAQI
11th Sep 2025488 PMAQI
11th Sep 2025509 PMAQI
11th Sep 20255110 PMAQI
11th Sep 20254511 PMAQI
12th Sep 20255012 AMAQI
12th Sep 2025521 AMAQI
12th Sep 2025502 AMAQI
12th Sep 2025493 AMAQI
12th Sep 2025504 AMAQI
28°C25/33°C
12th Sep 2025505 AMAQI
12th Sep 2025526 AMAQI
12th Sep 2025307 AMAQI
12th Sep 2025368 AMAQI
12th Sep 2025269 AMAQI
12th Sep 20253610 AMAQI
12th Sep 20252711 AMAQI
12th Sep 20253212 PMAQI
12th Sep 2025331 PMAQI
12th Sep 2025322 PMAQI
12th Sep 2025243 PMAQI
12th Sep 2025284 PMAQI
12th Sep 2025375 PMAQI
12th Sep 2025406 PMAQI
12th Sep 2025407 PMAQI
12th Sep 2025418 PMAQI
12th Sep 2025409 PMAQI
12th Sep 20254510 PMAQI
12th Sep 20254611 PMAQI
13th Sep 20255212 AMAQI
13th Sep 2025501 AMAQI
13th Sep 2025492 AMAQI
13th Sep 2025483 AMAQI
13th Sep 2025494 AMAQI
28°C25/32°C
13th Sep 2025475 AMAQI
13th Sep 2025486 AMAQI
13th Sep 2025267 AMAQI
13th Sep 2025328 AMAQI
13th Sep 2025329 AMAQI
13th Sep 20254410 AMAQI
13th Sep 20253311 AMAQI
13th Sep 20252812 PMAQI
13th Sep 2025301 PMAQI
13th Sep 2025292 PMAQI
13th Sep 2025203 PMAQI
13th Sep 2025404 PMAQI
13th Sep 2025295 PMAQI
13th Sep 2025366 PMAQI
13th Sep 2025407 PMAQI
13th Sep 2025438 PMAQI
13th Sep 2025439 PMAQI
13th Sep 20253510 PMAQI
13th Sep 20254011 PMAQI
14th Sep 20254712 AMAQI
14th Sep 2025451 AMAQI
14th Sep 2025452 AMAQI
14th Sep 2025433 AMAQI
14th Sep 2025444 AMAQI
28°C25/33°C
14th Sep 2025445 AMAQI
14th Sep 2025446 AMAQI
14th Sep 2025377 AMAQI
14th Sep 2025328 AMAQI
14th Sep 2025289 AMAQI
14th Sep 20253910 AMAQI
14th Sep 20252811 AMAQI
14th Sep 20253012 PMAQI
14th Sep 2025411 PMAQI
14th Sep 2025362 PMAQI
14th Sep 2025473 PMAQI
14th Sep 2025344 PMAQI
14th Sep 2025305 PMAQI
14th Sep 2025366 PMAQI
14th Sep 2025437 PMAQI
14th Sep 2025528 PMAQI
14th Sep 2025479 PMAQI
14th Sep 20255210 PMAQI
14th Sep 20255111 PMAQI
15th Sep 20255312 AMAQI
15th Sep 2025481 AMAQI
15th Sep 2025462 AMAQI
15th Sep 2025423 AMAQI
15th Sep 2025444 AMAQI
28°C25/33°C
15th Sep 2025435 AMAQI
15th Sep 2025436 AMAQI
15th Sep 2025377 AMAQI
15th Sep 2025358 AMAQI
15th Sep 2025409 AMAQI
15th Sep 20254010 AMAQI
15th Sep 20254011 AMAQI
15th Sep 20253712 PMAQI
15th Sep 2025391 PMAQI
15th Sep 2025482 PMAQI
15th Sep 2025463 PMAQI
15th Sep 2025394 PMAQI
15th Sep 2025465 PMAQI
15th Sep 2025486 PMAQI
15th Sep 2025437 PMAQI
15th Sep 2025368 PMAQI
15th Sep 2025429 PMAQI
15th Sep 20255210 PMAQI
15th Sep 20254611 PMAQI
16th Sep 20254712 AMAQI
16th Sep 2025451 AMAQI
16th Sep 2025452 AMAQI
16th Sep 2025433 AMAQI
16th Sep 2025434 AMAQI
28°C25/31°C
16th Sep 2025455 AMAQI
16th Sep 2025446 AMAQI
16th Sep 2025517 AMAQI
16th Sep 2025608 AMAQI
16th Sep 2025569 AMAQI
16th Sep 20255210 AMAQI
16th Sep 20255611 AMAQI
16th Sep 20254612 PMAQI
16th Sep 2025431 PMAQI
16th Sep 2025402 PMAQI
16th Sep 2025403 PMAQI
16th Sep 2025504 PMAQI
16th Sep 2025485 PMAQI
16th Sep 2025506 PMAQI
16th Sep 2025507 PMAQI
16th Sep 2025538 PMAQI
16th Sep 2025489 PMAQI
16th Sep 20256110 PMAQI
16th Sep 20255411 PMAQI
17th Sep 20255812 AMAQI
17th Sep 2025491 AMAQI
17th Sep 2025482 AMAQI
17th Sep 2025463 AMAQI
17th Sep 2025464 AMAQI
28°C24/33°C
17th Sep 2025505 AMAQI
17th Sep 2025496 AMAQI
17th Sep 2025587 AMAQI
17th Sep 2025688 AMAQI
17th Sep 2025549 AMAQI
17th Sep 20256210 AMAQI
17th Sep 20255111 AMAQI
17th Sep 20253112 PMAQI
17th Sep 2025351 PMAQI
17th Sep 2025412 PMAQI
17th Sep 2025423 PMAQI
17th Sep 2025434 PMAQI
17th Sep 2025465 PMAQI
17th Sep 2025436 PMAQI
17th Sep 2025427 PMAQI
17th Sep 2025438 PMAQI
17th Sep 2025529 PMAQI
17th Sep 20255210 PMAQI
17th Sep 20255211 PMAQI
18th Sep 20255112 AMAQI
18th Sep 2025471 AMAQI
18th Sep 2025412 AMAQI
18th Sep 2025433 AMAQI
18th Sep 2025424 AMAQI
27°C25/31°C
18th Sep 2025485 AMAQI
18th Sep 2025526 AMAQI
18th Sep 2025647 AMAQI
18th Sep 2025638 AMAQI
18th Sep 2025629 AMAQI
18th Sep 20255810 AMAQI
18th Sep 20255211 AMAQI
18th Sep 20255312 PMAQI
18th Sep 2025551 PMAQI
18th Sep 2025542 PMAQI
18th Sep 2025523 PMAQI
18th Sep 2025494 PMAQI
18th Sep 2025385 PMAQI
18th Sep 2025406 PMAQI
18th Sep 2025427 PMAQI
18th Sep 2025508 PMAQI
18th Sep 2025499 PMAQI
18th Sep 20255510 PMAQI
18th Sep 20255211 PMAQI
19th Sep 20255412 AMAQI
19th Sep 2025451 AMAQI
19th Sep 2025422 AMAQI
19th Sep 2025473 AMAQI
19th Sep 2025484 AMAQI
27°C25/30°C
19th Sep 2025505 AMAQI
19th Sep 2025546 AMAQI
19th Sep 2025717 AMAQI
19th Sep 2025748 AMAQI
19th Sep 2025749 AMAQI
19th Sep 20256710 AMAQI
19th Sep 20256211 AMAQI
19th Sep 20256512 PMAQI
19th Sep 2025551 PMAQI
19th Sep 2025542 PMAQI
19th Sep 2025413 PMAQI
19th Sep 2025424 PMAQI
19th Sep 2025405 PMAQI
19th Sep 2025446 PMAQI
19th Sep 2025487 PMAQI
19th Sep 2025508 PMAQI
19th Sep 2025479 PMAQI
19th Sep 20255010 PMAQI
19th Sep 20254811 PMAQI
20th Sep 20254812 AMAQI
20th Sep 2025461 AMAQI
20th Sep 2025482 AMAQI
20th Sep 2025463 AMAQI
20th Sep 2025464 AMAQI
28°C25/33°C
20th Sep 2025525 AMAQI
20th Sep 2025576 AMAQI
20th Sep 2025647 AMAQI
20th Sep 2025708 AMAQI
20th Sep 2025769 AMAQI
20th Sep 20258310 AMAQI
20th Sep 20256511 AMAQI
20th Sep 20256412 PMAQI
20th Sep 2025601 PMAQI
20th Sep 2025592 PMAQI
20th Sep 2025583 PMAQI
20th Sep 2025594 PMAQI
20th Sep 2025575 PMAQI
20th Sep 2025566 PMAQI
20th Sep 2025567 PMAQI
20th Sep 2025588 PMAQI
20th Sep 2025669 PMAQI
20th Sep 20256510 PMAQI
20th Sep 20256211 PMAQI
21st Sep 20256312 AMAQI
21st Sep 2025561 AMAQI
21st Sep 2025502 AMAQI
21st Sep 2025613 AMAQI
21st Sep 2025604 AMAQI
29°C25/35°C
21st Sep 2025615 AMAQI
21st Sep 2025606 AMAQI
21st Sep 2025797 AMAQI
21st Sep 2025868 AMAQI
21st Sep 2025879 AMAQI
21st Sep 20259710 AMAQI
21st Sep 20257511 AMAQI
21st Sep 20257612 PMAQI
21st Sep 2025741 PMAQI
21st Sep 2025792 PMAQI
21st Sep 2025743 PMAQI
21st Sep 2025644 PMAQI
21st Sep 2025605 PMAQI
21st Sep 2025686 PMAQI
21st Sep 2025687 PMAQI
21st Sep 2025618 PMAQI
21st Sep 2025669 PMAQI
21st Sep 20256510 PMAQI
21st Sep 20256111 PMAQI
22nd Sep 20256112 AMAQI
22nd Sep 2025561 AMAQI
22nd Sep 2025542 AMAQI
22nd Sep 2025643 AMAQI
22nd Sep 2025544 AMAQI
29°C26/35°C
22nd Sep 2025555 AMAQI
22nd Sep 2025686 AMAQI
22nd Sep 2025627 AMAQI
22nd Sep 2025618 AMAQI
22nd Sep 2025539 AMAQI
22nd Sep 20255110 AMAQI
22nd Sep 20254411 AMAQI
22nd Sep 20254412 PMAQI
22nd Sep 2025471 PMAQI
22nd Sep 2025602 PMAQI
22nd Sep 2025703 PMAQI
22nd Sep 2025614 PMAQI
22nd Sep 2025555 PMAQI
22nd Sep 2025616 PMAQI
22nd Sep 2025597 PMAQI
22nd Sep 2025568 PMAQI
22nd Sep 2025589 PMAQI
22nd Sep 20255810 PMAQI
22nd Sep 20255811 PMAQI
23rd Sep 20255312 AMAQI
23rd Sep 2025501 AMAQI
23rd Sep 2025492 AMAQI
23rd Sep 2025523 AMAQI
23rd Sep 2025514 AMAQI
28°C26/32°C
23rd Sep 2025545 AMAQI
23rd Sep 2025636 AMAQI
23rd Sep 2025737 AMAQI
23rd Sep 2025758 AMAQI
23rd Sep 2025779 AMAQI
23rd Sep 20257410 AMAQI
23rd Sep 20256511 AMAQI
23rd Sep 20255612 PMAQI
23rd Sep 2025651 PMAQI
23rd Sep 2025612 PMAQI
23rd Sep 2025533 PMAQI
23rd Sep 2025544 PMAQI
23rd Sep 2025555 PMAQI
23rd Sep 2025566 PMAQI
23rd Sep 2025597 PMAQI
23rd Sep 2025608 PMAQI
23rd Sep 2025669 PMAQI
23rd Sep 20256210 PMAQI
23rd Sep 20256611 PMAQI
24th Sep 20256612 AMAQI
24th Sep 2025521 AMAQI
24th Sep 2025522 AMAQI
24th Sep 2025553 AMAQI
24th Sep 2025564 AMAQI
28°C24/32°C
24th Sep 2025575 AMAQI
24th Sep 2025626 AMAQI
24th Sep 2025587 AMAQI
24th Sep 2025598 AMAQI
24th Sep 2025549 AMAQI
24th Sep 20255410 AMAQI
24th Sep 20255211 AMAQI
24th Sep 20255112 PMAQI
24th Sep 2025491 PMAQI
24th Sep 2025532 PMAQI
24th Sep 2025473 PMAQI
24th Sep 2025424 PMAQI
24th Sep 2025405 PMAQI
24th Sep 2025436 PMAQI
24th Sep 2025387 PMAQI
24th Sep 2025458 PMAQI
24th Sep 2025529 PMAQI
24th Sep 20255510 PMAQI
24th Sep 20255411 PMAQI
25th Sep 20255612 AMAQI
25th Sep 2025541 AMAQI
25th Sep 2025532 AMAQI
25th Sep 2025523 AMAQI
25th Sep 2025524 AMAQI
29°C24/34°C
25th Sep 2025525 AMAQI
25th Sep 2025616 AMAQI
25th Sep 2025597 AMAQI
25th Sep 2025558 AMAQI
25th Sep 2025539 AMAQI
25th Sep 20255810 AMAQI
25th Sep 20254811 AMAQI
25th Sep 20255812 PMAQI
25th Sep 2025591 PMAQI
25th Sep 2025592 PMAQI
25th Sep 2025553 PMAQI
25th Sep 2025484 PMAQI
25th Sep 2025435 PMAQI
25th Sep 2025406 PMAQI
25th Sep 2025397 PMAQI
25th Sep 2025388 PMAQI
25th Sep 2025329 PMAQI
25th Sep 20253110 PMAQI
25th Sep 20253111 PMAQI
26th Sep 20253012 AMAQI
26th Sep 2025321 AMAQI
26th Sep 2025362 AMAQI
26th Sep 2025363 AMAQI
26th Sep 2025384 AMAQI
25°C24/24°C
26th Sep 2025445 AMAQI
26th Sep 2025466 AMAQI
26th Sep 2025477 AMAQI
26th Sep 2025488 AMAQI
26th Sep 2025499 AMAQI
26th Sep 20255010 AMAQI
26th Sep 20255811 AMAQI
26th Sep 20255812 PMAQI
26th Sep 2025581 PMAQI
26th Sep 2025602 PMAQI
26th Sep 2025583 PMAQI
26th Sep 2025594 PMAQI
26th Sep 2025595 PMAQI
26th Sep 2025606 PMAQI
26th Sep 2025617 PMAQI
26th Sep 2025618 PMAQI
26th Sep 2025609 PMAQI
26th Sep 20256110 PMAQI
26th Sep 20256611 PMAQI
27th Sep 20256212 AMAQI
27th Sep 2025591 AMAQI
27th Sep 2025542 AMAQI
27th Sep 2025463 AMAQI
27th Sep 2025464 AMAQI
25°C23/28°C
27th Sep 2025455 AMAQI
27th Sep 2025436 AMAQI
27th Sep 2025417 AMAQI
27th Sep 2025378 AMAQI
27th Sep 2025409 AMAQI
27th Sep 20254510 AMAQI
27th Sep 20255111 AMAQI
27th Sep 20255312 PMAQI
27th Sep 2025461 PMAQI
27th Sep 2025412 PMAQI
27th Sep 2025393 PMAQI
27th Sep 2025264 PMAQI
27th Sep 2025295 PMAQI
27th Sep 2025356 PMAQI
27th Sep 2025377 PMAQI
27th Sep 2025408 PMAQI
27th Sep 2025429 PMAQI
27th Sep 20254310 PMAQI
27th Sep 20255311 PMAQI
28th Sep 20255512 AMAQI
28th Sep 2025551 AMAQI
28th Sep 2025562 AMAQI
28th Sep 2025553 AMAQI
28th Sep 2025524 AMAQI
27°C24/30°C
28th Sep 2025545 AMAQI
28th Sep 2025556 AMAQI
28th Sep 2025567 AMAQI
28th Sep 2025538 AMAQI
28th Sep 2025489 AMAQI
28th Sep 20254810 AMAQI
28th Sep 20255411 AMAQI
28th Sep 20255112 PMAQI
28th Sep 2025511 PMAQI
28th Sep 2025522 PMAQI
28th Sep 2025463 PMAQI
28th Sep 2025454 PMAQI
28th Sep 2025505 PMAQI
28th Sep 2025406 PMAQI
28th Sep 2025337 PMAQI
28th Sep 2025338 PMAQI
28th Sep 2025349 PMAQI
28th Sep 20254110 PMAQI
28th Sep 20254311 PMAQI
29th Sep 20254412 AMAQI
29th Sep 2025561 AMAQI
29th Sep 2025562 AMAQI
29th Sep 2025583 AMAQI
29th Sep 2025604 AMAQI
25°C23/30°C
29th Sep 2025605 AMAQI
29th Sep 2025606 AMAQI
29th Sep 2025587 AMAQI
29th Sep 2025608 AMAQI
29th Sep 2025559 AMAQI
29th Sep 20254910 AMAQI
29th Sep 20254411 AMAQI
29th Sep 20254512 PMAQI
29th Sep 2025491 PMAQI
29th Sep 2025442 PMAQI
29th Sep 2025403 PMAQI
29th Sep 2025504 PMAQI
29th Sep 2025505 PMAQI
29th Sep 2025536 PMAQI
29th Sep 2025517 PMAQI
29th Sep 2025488 PMAQI
29th Sep 2025409 PMAQI
29th Sep 20254110 PMAQI
29th Sep 20254211 PMAQI
30th Sep 20254212 AMAQI
30th Sep 2025421 AMAQI
30th Sep 2025432 AMAQI
30th Sep 2025483 AMAQI
30th Sep 2025464 AMAQI
25°C24/25°C
30th Sep 2025465 AMAQI
30th Sep 2025416 AMAQI
30th Sep 2025447 AMAQI
30th Sep 2025418 AMAQI
30th Sep 2025379 AMAQI
30th Sep 20254310 AMAQI
30th Sep 20255211 AMAQI
30th Sep 20255512 PMAQI
30th Sep 2025471 PMAQI
30th Sep 2025362 PMAQI
30th Sep 2025323 PMAQI
30th Sep 2025534 PMAQI
30th Sep 2025735 PMAQI
30th Sep 2025436 PMAQI
30th Sep 2025507 PMAQI
30th Sep 2025408 PMAQI
30th Sep 2025479 PMAQI
30th Sep 20255010 PMAQI
30th Sep 20255411 PMAQI
1st Oct 20255912 AMAQI
1st Oct 2025601 AMAQI
1st Oct 2025692 AMAQI
1st Oct 2025803 AMAQI
1st Oct 2025844 AMAQI
26°C25/30°C
1st Oct 2025935 AMAQI
1st Oct 2025836 AMAQI
1st Oct 2025867 AMAQI
1st Oct 2025828 AMAQI
1st Oct 2025799 AMAQI
1st Oct 20258110 AMAQI
1st Oct 20256411 AMAQI
1st Oct 20256112 PMAQI
1st Oct 2025581 PMAQI
1st Oct 2025592 PMAQI
1st Oct 2025593 PMAQI
1st Oct 2025604 PMAQI
1st Oct 2025645 PMAQI
1st Oct 2025616 PMAQI
1st Oct 2025617 PMAQI
1st Oct 2025638 PMAQI
1st Oct 2025689 PMAQI
1st Oct 20257410 PMAQI
1st Oct 20257611 PMAQI
2nd Oct 20257412 AMAQI
2nd Oct 2025751 AMAQI
2nd Oct 2025702 AMAQI
2nd Oct 2025783 AMAQI
2nd Oct 2025984 AMAQI
27°C24/30°C
2nd Oct 20251045 AMAQI
2nd Oct 2025796 AMAQI
2nd Oct 2025917 AMAQI
2nd Oct 2025908 AMAQI
2nd Oct 2025959 AMAQI
2nd Oct 20258610 AMAQI
2nd Oct 20258111 AMAQI
2nd Oct 20256412 PMAQI
2nd Oct 2025641 PMAQI
2nd Oct 2025602 PMAQI
2nd Oct 2025573 PMAQI
2nd Oct 2025564 PMAQI
2nd Oct 2025565 PMAQI
2nd Oct 2025606 PMAQI
2nd Oct 2025607 PMAQI
2nd Oct 2025608 PMAQI
2nd Oct 2025649 PMAQI
2nd Oct 20256810 PMAQI
2nd Oct 20256911 PMAQI
3rd Oct 20257212 AMAQI
3rd Oct 2025641 AMAQI
3rd Oct 2025642 AMAQI
3rd Oct 2025653 AMAQI
3rd Oct 2025654 AMAQI
27°C24/32°C
3rd Oct 2025745 AMAQI
3rd Oct 2025716 AMAQI
3rd Oct 2025637 AMAQI
3rd Oct 2025678 AMAQI
3rd Oct 2025689 AMAQI
3rd Oct 20256610 AMAQI
3rd Oct 20256411 AMAQI
3rd Oct 20255812 PMAQI
3rd Oct 2025621 PMAQI
3rd Oct 2025582 PMAQI
3rd Oct 2025563 PMAQI
3rd Oct 2025564 PMAQI
3rd Oct 2025565 PMAQI
3rd Oct 2025516 PMAQI
3rd Oct 2025737 PMAQI
3rd Oct 2025728 PMAQI
3rd Oct 2025769 PMAQI
3rd Oct 20258810 PMAQI
3rd Oct 20259311 PMAQI
4th Oct 20259212 AMAQI
4th Oct 2025881 AMAQI
4th Oct 2025822 AMAQI
4th Oct 2025843 AMAQI
4th Oct 2025784 AMAQI
28°C24/33°C
4th Oct 2025795 AMAQI
4th Oct 2025816 AMAQI
4th Oct 2025927 AMAQI
4th Oct 2025938 AMAQI
4th Oct 2025989 AMAQI
4th Oct 202510210 AMAQI
4th Oct 202510111 AMAQI
4th Oct 20258912 PMAQI
4th Oct 2025961 PMAQI
4th Oct 2025982 PMAQI
4th Oct 2025913 PMAQI
4th Oct 2025904 PMAQI
4th Oct 2025965 PMAQI
4th Oct 2025926 PMAQI
4th Oct 2025947 PMAQI
4th Oct 2025978 PMAQI
4th Oct 20251049 PMAQI
4th Oct 202511210 PMAQI
4th Oct 202511111 PMAQI
5th Oct 202510312 AMAQI
5th Oct 2025891 AMAQI
5th Oct 2025962 AMAQI
5th Oct 2025923 AMAQI
5th Oct 20251034 AMAQI
28°C24/32°C
5th Oct 20251225 AMAQI
5th Oct 20251406 AMAQI
5th Oct 20251497 AMAQI
5th Oct 20251458 AMAQI
5th Oct 20251439 AMAQI
5th Oct 202512210 AMAQI
5th Oct 202512411 AMAQI
5th Oct 202511812 PMAQI
5th Oct 20251171 PMAQI
5th Oct 20251022 PMAQI
5th Oct 2025913 PMAQI
5th Oct 2025904 PMAQI
5th Oct 2025855 PMAQI
5th Oct 2025846 PMAQI
5th Oct 2025907 PMAQI
5th Oct 20251028 PMAQI
5th Oct 20251199 PMAQI
5th Oct 202513110 PMAQI
5th Oct 202514111 PMAQI
6th Oct 202515012 AMAQI
6th Oct 20251541 AMAQI
6th Oct 20251542 AMAQI
6th Oct 20251593 AMAQI
6th Oct 20251504 AMAQI
29°C25/34°C
6th Oct 20251545 AMAQI
5 AM6th Oct 20251446 AMAQI
6th Oct 20251277 AMAQI
6th Oct 20251298 AMAQI
6th Oct 20251189 AMAQI
6th Oct 202512110 AMAQI
6th Oct 202510511 AMAQI
11 AM6th Oct 202510112 PMAQI
6th Oct 20251011 PMAQI
6th Oct 2025812 PMAQI
6th Oct 2025633 PMAQI
6th Oct 2025584 PMAQI
6th Oct 2025605 PMAQI
5 PM6th Oct 2025606 PMAQI
6th Oct 2025587 PMAQI
6th Oct 2025598 PMAQI
6th Oct 2025589 PMAQI
6th Oct 20256010 PMAQI
6th Oct 20255811 PMAQI
11 PM4 AM
--°C/°C
Day time
Avg. Highest Time
8 AM - 10 AM
62AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
3 PM - 5 PM
50AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 10 AM (Avg. 62), while the lowest AQI was between 3 PM to 5 PM (Avg. 50).
Night time
Avg. Highest Time
12 AM
60AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
6 PM - 7 PM
52AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 12 AM (Avg. 60), while the lowest AQI was between 6 PM to 7 PM (Avg. 52).
2025 Days Vs Air Quality
Hanoi US Embassy, Hanoi, Ha Noi, Vietnam
2025
14%
40
60%
167
21%
59
4%
12
Total number of days with different AQI categories in last 279 days in 2025 (86 days remaining)
Good
40 DaysModerate
167 DaysPoor
59 DaysUnhealthy
12 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 14%
Health Risk Level:
Extreme
In 2025, 14% of 279 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 US Embassy, 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
126AQI
126AQI
2nd January 2025
151AQI
151AQI
3rd January 2025
134AQI
134AQI
4th January 2025
135AQI
135AQI
5th January 2025
141AQI
141AQI
6th January 2025
146AQI
146AQI
7th January 2025
148AQI
148AQI
8th January 2025
142AQI
142AQI
9th January 2025
151AQI
151AQI
10th January 2025
114AQI
114AQI
11th January 2025
118AQI
118AQI
12th January 2025
131AQI
131AQI
13th January 2025
149AQI
149AQI
14th January 2025
156AQI
156AQI
15th January 2025
154AQI
154AQI
16th January 2025
155AQI
155AQI
17th January 2025
159AQI
159AQI
18th January 2025
169AQI
169AQI
19th January 2025
167AQI
167AQI
20th January 2025
184AQI
184AQI
21st January 2025
167AQI
167AQI
22nd January 2025
167AQI
167AQI
23rd January 2025
149AQI
149AQI
24th January 2025
145AQI
145AQI
25th January 2025
118AQI
118AQI
26th January 2025
85AQI
85AQI
27th January 2025
99AQI
99AQI
28th January 2025
94AQI
94AQI
29th January 2025
127AQI
127AQI
30th January 2025
120AQI
120AQI
31st January 2025
106AQI
106AQI
1st February 2025
94AQI
94AQI
2nd February 2025
84AQI
84AQI
3rd February 2025
69AQI
69AQI
4th February 2025
82AQI
82AQI
5th February 2025
108AQI
108AQI
6th February 2025
116AQI
116AQI
7th February 2025
62AQI
62AQI
8th February 2025
77AQI
77AQI
9th February 2025
97AQI
97AQI
10th February 2025
141AQI
141AQI
11th February 2025
149AQI
149AQI
12th February 2025
166AQI
166AQI
13th February 2025
146AQI
146AQI
14th February 2025
146AQI
146AQI
15th February 2025
147AQI
147AQI
16th February 2025
89AQI
89AQI
17th February 2025
125AQI
125AQI
18th February 2025
76AQI
76AQI
19th February 2025
103AQI
103AQI
20th February 2025
138AQI
138AQI
21st February 2025
125AQI
125AQI
22nd February 2025
145AQI
145AQI
23rd February 2025
78AQI
78AQI
24th February 2025
86AQI
86AQI
25th February 2025
101AQI
101AQI
26th February 2025
92AQI
92AQI
27th February 2025
143AQI
143AQI
28th February 2025
109AQI
109AQI
1st March 2025
115AQI
115AQI
2nd March 2025
92AQI
92AQI
3rd March 2025
97AQI
97AQI
4th March 2025
95AQI
95AQI
5th March 2025
99AQI
99AQI
6th March 2025
76AQI
76AQI
7th March 2025
79AQI
79AQI
8th March 2025
101AQI
101AQI
9th March 2025
132AQI
132AQI
10th March 2025
142AQI
142AQI
11th March 2025
128AQI
128AQI
12th March 2025
103AQI
103AQI
13th March 2025
87AQI
87AQI
14th March 2025
95AQI
95AQI
15th March 2025
84AQI
84AQI
16th March 2025
68AQI
68AQI
17th March 2025
86AQI
86AQI
18th March 2025
90AQI
90AQI
19th March 2025
86AQI
86AQI
20th March 2025
96AQI
96AQI
21st March 2025
129AQI
129AQI
22nd March 2025
126AQI
126AQI
23rd March 2025
131AQI
131AQI
24th March 2025
137AQI
137AQI
25th March 2025
141AQI
141AQI
26th March 2025
118AQI
118AQI
27th March 2025
113AQI
113AQI
28th March 2025
107AQI
107AQI
29th March 2025
85AQI
85AQI
30th March 2025
65AQI
65AQI
31st March 2025
71AQI
71AQI
1st April 2025
96AQI
96AQI
2nd April 2025
133AQI
133AQI
3rd April 2025
114AQI
114AQI
4th April 2025
102AQI
102AQI
5th April 2025
119AQI
119AQI
6th April 2025
138AQI
138AQI
7th April 2025
126AQI
126AQI
8th April 2025
123AQI
123AQI
9th April 2025
103AQI
103AQI
10th April 2025
100AQI
100AQI
11th April 2025
100AQI
100AQI
12th April 2025
108AQI
108AQI
13th April 2025
95AQI
95AQI
14th April 2025
100AQI
100AQI
15th April 2025
105AQI
105AQI
16th April 2025
107AQI
107AQI
17th April 2025
97AQI
97AQI
18th April 2025
102AQI
102AQI
19th April 2025
96AQI
96AQI
20th April 2025
86AQI
86AQI
21st April 2025
86AQI
86AQI
22nd April 2025
97AQI
97AQI
23rd April 2025
98AQI
98AQI
24th April 2025
92AQI
92AQI
25th April 2025
85AQI
85AQI
26th April 2025
85AQI
85AQI
27th April 2025
75AQI
75AQI
28th April 2025
72AQI
72AQI
29th April 2025
83AQI
83AQI
30th April 2025
78AQI
78AQI
1st May 2025
67AQI
67AQI
2nd May 2025
89AQI
89AQI
3rd May 2025
85AQI
85AQI
4th May 2025
82AQI
82AQI
5th May 2025
85AQI
85AQI
6th May 2025
80AQI
80AQI
7th May 2025
81AQI
81AQI
8th May 2025
86AQI
86AQI
9th May 2025
82AQI
82AQI
10th May 2025
84AQI
84AQI
11th May 2025
59AQI
59AQI
12th May 2025
71AQI
71AQI
13th May 2025
69AQI
69AQI
14th May 2025
67AQI
67AQI
15th May 2025
62AQI
62AQI
16th May 2025
63AQI
63AQI
17th May 2025
58AQI
58AQI
18th May 2025
57AQI
57AQI
19th May 2025
61AQI
61AQI
20th May 2025
59AQI
59AQI
21st May 2025
58AQI
58AQI
22nd May 2025
57AQI
57AQI
23rd May 2025
55AQI
55AQI
24th May 2025
56AQI
56AQI
25th May 2025
56AQI
56AQI
26th May 2025
59AQI
59AQI
27th May 2025
79AQI
79AQI
28th May 2025
74AQI
74AQI
29th May 2025
60AQI
60AQI
30th May 2025
58AQI
58AQI
31st May 2025
58AQI
58AQI
1st June 2025
52AQI
52AQI
2nd June 2025
52AQI
52AQI
3rd June 2025
54AQI
54AQI
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
64AQI
64AQI
10th June 2025
59AQI
59AQI
11th June 2025
64AQI
64AQI
12th June 2025
63AQI
63AQI
13th June 2025
55AQI
55AQI
14th June 2025
64AQI
64AQI
15th June 2025
67AQI
67AQI
16th June 2025
66AQI
66AQI
17th June 2025
64AQI
64AQI
18th June 2025
58AQI
58AQI
19th June 2025
68AQI
68AQI
20th June 2025
69AQI
69AQI
21st June 2025
63AQI
63AQI
22nd June 2025
63AQI
63AQI
23rd June 2025
64AQI
64AQI
24th June 2025
64AQI
64AQI
25th June 2025
55AQI
55AQI
26th June 2025
58AQI
58AQI
27th June 2025
62AQI
62AQI
28th June 2025
56AQI
56AQI
29th June 2025
57AQI
57AQI
30th June 2025
54AQI
54AQI
1st July 2025
47AQI
47AQI
2nd July 2025
52AQI
52AQI
3rd July 2025
56AQI
56AQI
4th July 2025
64AQI
64AQI
5th July 2025
64AQI
64AQI
6th July 2025
59AQI
59AQI
7th July 2025
68AQI
68AQI
8th July 2025
65AQI
65AQI
9th July 2025
70AQI
70AQI
10th July 2025
59AQI
59AQI
11th July 2025
58AQI
58AQI
12th July 2025
56AQI
56AQI
13th July 2025
60AQI
60AQI
14th July 2025
76AQI
76AQI
15th July 2025
90AQI
90AQI
16th July 2025
64AQI
64AQI
17th July 2025
63AQI
63AQI
18th July 2025
62AQI
62AQI
19th July 2025
76AQI
76AQI
20th July 2025
65AQI
65AQI
21st July 2025
61AQI
61AQI
22nd July 2025
39AQI
39AQI
23rd July 2025
51AQI
51AQI
24th July 2025
50AQI
50AQI
25th July 2025
61AQI
61AQI
26th July 2025
65AQI
65AQI
27th July 2025
63AQI
63AQI
28th July 2025
68AQI
68AQI
29th July 2025
77AQI
77AQI
30th July 2025
71AQI
71AQI
31st July 2025
62AQI
62AQI
1st August 2025
54AQI
54AQI
2nd August 2025
55AQI
55AQI
3rd August 2025
56AQI
56AQI
4th August 2025
56AQI
56AQI
5th August 2025
54AQI
54AQI
6th August 2025
52AQI
52AQI
7th August 2025
58AQI
58AQI
8th August 2025
57AQI
57AQI
9th August 2025
53AQI
53AQI
10th August 2025
56AQI
56AQI
11th August 2025
55AQI
55AQI
12th August 2025
50AQI
50AQI
13th August 2025
52AQI
52AQI
14th August 2025
54AQI
54AQI
15th August 2025
43AQI
43AQI
16th August 2025
41AQI
41AQI
17th August 2025
39AQI
39AQI
18th August 2025
38AQI
38AQI
19th August 2025
41AQI
41AQI
20th August 2025
44AQI
44AQI
21st August 2025
47AQI
47AQI
22nd August 2025
45AQI
45AQI
23rd August 2025
46AQI
46AQI
24th August 2025
45AQI
45AQI
25th August 2025
36AQI
36AQI
26th August 2025
33AQI
33AQI
27th August 2025
40AQI
40AQI
28th August 2025
44AQI
44AQI
29th August 2025
46AQI
46AQI
30th August 2025
41AQI
41AQI
31st August 2025
40AQI
40AQI
1st September 2025
42AQI
42AQI
2nd September 2025
41AQI
41AQI
3rd September 2025
42AQI
42AQI
4th September 2025
44AQI
44AQI
5th September 2025
42AQI
42AQI
6th September 2025
40AQI
40AQI
7th September 2025
51AQI
51AQI
8th September 2025
55AQI
55AQI
9th September 2025
46AQI
46AQI
10th September 2025
51AQI
51AQI
11th September 2025
45AQI
45AQI
12th September 2025
40AQI
40AQI
13th September 2025
39AQI
39AQI
14th September 2025
41AQI
41AQI
15th September 2025
43AQI
43AQI
16th September 2025
49AQI
49AQI
17th September 2025
48AQI
48AQI
18th September 2025
50AQI
50AQI
19th September 2025
52AQI
52AQI
20th September 2025
58AQI
58AQI
21st September 2025
67AQI
67AQI
22nd September 2025
57AQI
57AQI
23rd September 2025
60AQI
60AQI
24th September 2025
52AQI
52AQI
25th September 2025
48AQI
48AQI
26th September 2025
51AQI
51AQI
27th September 2025
44AQI
44AQI
28th September 2025
48AQI
48AQI
29th September 2025
51AQI
51AQI
30th September 2025
47AQI
47AQI
1st October 2025
70AQI
70AQI
2nd October 2025
73AQI
73AQI
3rd October 2025
67AQI
67AQI
4th October 2025
93AQI
93AQI
5th October 2025
112AQI
112AQI
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
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
139AQI
111AQI
102AQI
100AQI
68AQI
61AQI
63AQI
47AQI
48AQI
83AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202582AQI
3
17
11
12
15
1
17
14
18
12
31
30
3
28
18
13
19
11
4
1
40
167
59
12
Highest AQI recorded in
January139AQI
Lowest AQI recorded in
August47AQI
202495AQI
10
16
4
1
12
16
1
5
18
8
2
26
2
18
13
22
7
1
30
1
18
13
10
12
7
1
1
12
15
3
21
8
1
14
15
2
29
171
142
23
1
Highest AQI recorded in
March126AQI
Lowest AQI recorded in
August32AQI
2023106AQI
1
9
21
9
14
5
8
10
13
7
21
2
16
13
2
1
21
8
4
21
6
22
9
15
15
10
19
2
14
10
1
2
8
4
11
3
5
27
144
136
50
5
Highest AQI recorded in
January154AQI
Lowest AQI recorded in
November54AQI
202292AQI
11
13
5
1
6
8
5
3
18
11
2
27
3
9
16
5
23
7
22
2
1
8
18
3
18
8
1
4
10
13
7
4
11
15
1
60
131
87
39
2
Highest AQI recorded in
December142AQI
Lowest AQI recorded in
April19AQI
2021100AQI
1
9
16
5
5
21
2
14
13
4
21
9
29
2
2
22
5
1
28
3
4
22
4
1
3
21
6
11
12
8
1
14
11
4
4
7
20
22
192
98
48
5
Highest AQI recorded in
January164AQI
Lowest AQI recorded in
July73AQI
202099AQI
6
7
6
13
2
8
10
22
8
26
4
1
1
25
5
6
19
4
1
2
20
7
2
12
13
5
6
12
13
9
150
83
24
Highest AQI recorded in
December135AQI
Lowest AQI recorded in
September72AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
106AQILeast Polluted Year Recorded
2025(Avg.)
82AQIHanoi US Embassy's annual 2025 AQI (82) shows an average percentage change of -16.4% (improved AQI) compared to previous years: 2020 (99), 2021 (100), 2022 (92), 2023 (106), 2024 (95).
