Tram y te xa Sai Son Quoc Oai, 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
Tram y te xa Sai Son Quoc Oai, Hanoi, Ha Noi, Vietnam
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Oct 2024
174AQILowest AQI recorded on
19th Oct 2024
23AQISame Day Analysis (4th October ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 98 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 5th Oct - 6th Oct 2025
Tram y te xa Sai Son Quoc Oai, Hanoi, Ha Noi, Vietnam
AQI
Day
Night
.
5 AM5th Oct 2025
5 PM
4 AM6th Oct 2025
Day time
Avg. Highest Time
7AM5th Oct
157AQI
Avg. Lowest Time
4PM5th Oct
102AQI
Night time
Avg. Highest Time
3AM6th Oct
164AQI
Avg. Lowest Time
6PM5th Oct
98AQI
In the last 24 hours,
Tram y te xa Sai Son Quoc Oai's AQI reached its highest point of 164 at 3 AM during the Night, while the lowest point, 98, was recorded at 6 PM during the Night between 5th Oct and 6th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Tram y te xa Sai Son Quoc Oai, 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 2025435 AMAQI
6th Sep 2025426 AMAQI
6th Sep 2025247 AMAQI
6th Sep 2025408 AMAQI
6th Sep 2025269 AMAQI
6th Sep 20253710 AMAQI
6th Sep 20254011 AMAQI
6th Sep 20253212 PMAQI
6th Sep 2025381 PMAQI
6th Sep 2025382 PMAQI
6th Sep 2025343 PMAQI
6th Sep 2025314 PMAQI
6th Sep 2025265 PMAQI
6th Sep 2025386 PMAQI
6th Sep 2025397 PMAQI
6th Sep 2025478 PMAQI
6th Sep 2025469 PMAQI
6th Sep 20254210 PMAQI
6th Sep 20254211 PMAQI
7th Sep 20254212 AMAQI
7th Sep 2025451 AMAQI
7th Sep 2025422 AMAQI
7th Sep 2025433 AMAQI
7th Sep 2025424 AMAQI
29°C26/35°C
7th Sep 2025445 AMAQI
7th Sep 2025436 AMAQI
7th Sep 2025347 AMAQI
7th Sep 2025538 AMAQI
7th Sep 2025609 AMAQI
7th Sep 20255610 AMAQI
7th Sep 20255211 AMAQI
7th Sep 20255712 PMAQI
7th Sep 2025561 PMAQI
7th Sep 2025542 PMAQI
7th Sep 2025523 PMAQI
7th Sep 2025444 PMAQI
7th Sep 2025485 PMAQI
7th Sep 2025496 PMAQI
7th Sep 2025497 PMAQI
7th Sep 2025548 PMAQI
7th Sep 2025589 PMAQI
7th Sep 20256010 PMAQI
7th Sep 20256211 PMAQI
8th Sep 20255512 AMAQI
8th Sep 2025591 AMAQI
8th Sep 2025522 AMAQI
8th Sep 2025483 AMAQI
8th Sep 2025474 AMAQI
30°C26/35°C
8th Sep 2025445 AMAQI
8th Sep 2025486 AMAQI
8th Sep 2025597 AMAQI
8th Sep 2025638 AMAQI
8th Sep 2025619 AMAQI
8th Sep 20256610 AMAQI
8th Sep 20255611 AMAQI
8th Sep 20256512 PMAQI
8th Sep 2025561 PMAQI
8th Sep 2025482 PMAQI
8th Sep 2025543 PMAQI
8th Sep 2025534 PMAQI
8th Sep 2025525 PMAQI
8th Sep 2025506 PMAQI
8th Sep 2025537 PMAQI
8th Sep 2025588 PMAQI
8th Sep 2025599 PMAQI
8th Sep 20255810 PMAQI
8th Sep 20256411 PMAQI
9th Sep 20255712 AMAQI
9th Sep 2025521 AMAQI
9th Sep 2025522 AMAQI
9th Sep 2025523 AMAQI
9th Sep 2025524 AMAQI
30°C26/36°C
9th Sep 2025535 AMAQI
9th Sep 2025546 AMAQI
9th Sep 2025507 AMAQI
9th Sep 2025498 AMAQI
9th Sep 2025549 AMAQI
9th Sep 20254610 AMAQI
9th Sep 20253611 AMAQI
9th Sep 20254012 PMAQI
9th Sep 2025321 PMAQI
9th Sep 2025292 PMAQI
9th Sep 2025293 PMAQI
9th Sep 2025304 PMAQI
9th Sep 2025365 PMAQI
9th Sep 2025396 PMAQI
9th Sep 2025467 PMAQI
9th Sep 2025448 PMAQI
9th Sep 2025469 PMAQI
9th Sep 20254810 PMAQI
9th Sep 20255011 PMAQI
10th Sep 20255412 AMAQI
10th Sep 2025531 AMAQI
10th Sep 2025522 AMAQI
10th Sep 2025513 AMAQI
10th Sep 2025514 AMAQI
28°C25/32°C
10th Sep 2025525 AMAQI
10th Sep 2025526 AMAQI
10th Sep 2025437 AMAQI
10th Sep 2025388 AMAQI
10th Sep 2025489 AMAQI
10th Sep 20254810 AMAQI
10th Sep 20254611 AMAQI
10th Sep 20255012 PMAQI
10th Sep 2025481 PMAQI
10th Sep 2025502 PMAQI
10th Sep 2025523 PMAQI
10th Sep 2025504 PMAQI
10th Sep 2025505 PMAQI
10th Sep 2025556 PMAQI
10th Sep 2025487 PMAQI
10th Sep 2025568 PMAQI
10th Sep 2025589 PMAQI
10th Sep 20254810 PMAQI
10th Sep 20254511 PMAQI
11th Sep 20255112 AMAQI
11th Sep 2025501 AMAQI
11th Sep 2025522 AMAQI
11th Sep 2025503 AMAQI
11th Sep 2025524 AMAQI
28°C25/31°C
11th Sep 2025525 AMAQI
11th Sep 2025526 AMAQI
11th Sep 2025297 AMAQI
11th Sep 2025308 AMAQI
11th Sep 2025339 AMAQI
11th Sep 20253310 AMAQI
11th Sep 20253811 AMAQI
11th Sep 20253712 PMAQI
11th Sep 2025291 PMAQI
11th Sep 2025362 PMAQI
11th Sep 2025293 PMAQI
11th Sep 2025414 PMAQI
11th Sep 2025365 PMAQI
11th Sep 2025446 PMAQI
11th Sep 2025557 PMAQI
11th Sep 2025488 PMAQI
11th Sep 2025499 PMAQI
11th Sep 20255010 PMAQI
11th Sep 20254611 PMAQI
12th Sep 20255012 AMAQI
12th Sep 2025511 AMAQI
12th Sep 2025492 AMAQI
12th Sep 2025483 AMAQI
12th Sep 2025494 AMAQI
28°C25/33°C
12th Sep 2025505 AMAQI
12th Sep 2025526 AMAQI
12th Sep 2025317 AMAQI
12th Sep 2025288 AMAQI
12th Sep 2025279 AMAQI
12th Sep 20253410 AMAQI
12th Sep 20252511 AMAQI
12th Sep 20252912 PMAQI
12th Sep 2025291 PMAQI
12th Sep 2025282 PMAQI
12th Sep 2025193 PMAQI
12th Sep 2025244 PMAQI
12th Sep 2025305 PMAQI
12th Sep 2025406 PMAQI
12th Sep 2025427 PMAQI
12th Sep 2025448 PMAQI
12th Sep 2025369 PMAQI
12th Sep 20254510 PMAQI
12th Sep 20254811 PMAQI
13th Sep 20255212 AMAQI
13th Sep 2025491 AMAQI
13th Sep 2025482 AMAQI
13th Sep 2025483 AMAQI
13th Sep 2025484 AMAQI
28°C25/32°C
13th Sep 2025475 AMAQI
13th Sep 2025476 AMAQI
13th Sep 2025267 AMAQI
13th Sep 2025308 AMAQI
13th Sep 2025279 AMAQI
13th Sep 20253410 AMAQI
13th Sep 20252611 AMAQI
13th Sep 20252612 PMAQI
13th Sep 2025291 PMAQI
13th Sep 2025342 PMAQI
13th Sep 2025223 PMAQI
13th Sep 2025204 PMAQI
13th Sep 2025195 PMAQI
13th Sep 2025366 PMAQI
13th Sep 2025427 PMAQI
13th Sep 2025438 PMAQI
13th Sep 2025409 PMAQI
13th Sep 20253910 PMAQI
13th Sep 20254011 PMAQI
14th Sep 20254912 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 2025327 AMAQI
14th Sep 2025358 AMAQI
14th Sep 2025319 AMAQI
14th Sep 20253010 AMAQI
14th Sep 20253011 AMAQI
14th Sep 20253012 PMAQI
14th Sep 2025401 PMAQI
14th Sep 2025322 PMAQI
14th Sep 2025303 PMAQI
14th Sep 2025334 PMAQI
14th Sep 2025285 PMAQI
14th Sep 2025326 PMAQI
14th Sep 2025427 PMAQI
14th Sep 2025518 PMAQI
14th Sep 2025509 PMAQI
14th Sep 20255010 PMAQI
14th Sep 20255111 PMAQI
15th Sep 20255312 AMAQI
15th Sep 2025471 AMAQI
15th Sep 2025452 AMAQI
15th Sep 2025413 AMAQI
15th Sep 2025424 AMAQI
28°C25/33°C
15th Sep 2025435 AMAQI
15th Sep 2025436 AMAQI
15th Sep 2025317 AMAQI
15th Sep 2025348 AMAQI
15th Sep 2025369 AMAQI
15th Sep 20253810 AMAQI
15th Sep 20254511 AMAQI
15th Sep 20253912 PMAQI
15th Sep 2025321 PMAQI
15th Sep 2025482 PMAQI
15th Sep 2025423 PMAQI
15th Sep 2025504 PMAQI
15th Sep 2025475 PMAQI
15th Sep 2025466 PMAQI
15th Sep 2025437 PMAQI
15th Sep 2025438 PMAQI
15th Sep 2025409 PMAQI
15th Sep 20254810 PMAQI
15th Sep 20254211 PMAQI
16th Sep 20254612 AMAQI
16th Sep 2025461 AMAQI
16th Sep 2025452 AMAQI
16th Sep 2025423 AMAQI
16th Sep 2025424 AMAQI
28°C25/31°C
16th Sep 2025435 AMAQI
16th Sep 2025436 AMAQI
16th Sep 2025487 AMAQI
16th Sep 2025488 AMAQI
16th Sep 2025549 AMAQI
16th Sep 20254010 AMAQI
16th Sep 20254711 AMAQI
16th Sep 20254712 PMAQI
16th Sep 2025431 PMAQI
16th Sep 2025372 PMAQI
16th Sep 2025363 PMAQI
16th Sep 2025464 PMAQI
16th Sep 2025465 PMAQI
16th Sep 2025496 PMAQI
16th Sep 2025477 PMAQI
16th Sep 2025528 PMAQI
16th Sep 2025529 PMAQI
16th Sep 20255610 PMAQI
16th Sep 20255111 PMAQI
17th Sep 20255412 AMAQI
17th Sep 2025461 AMAQI
17th Sep 2025462 AMAQI
17th Sep 2025463 AMAQI
17th Sep 2025474 AMAQI
28°C24/33°C
17th Sep 2025495 AMAQI
17th Sep 2025486 AMAQI
17th Sep 2025567 AMAQI
17th Sep 2025598 AMAQI
17th Sep 2025529 AMAQI
17th Sep 20255210 AMAQI
17th Sep 20255011 AMAQI
17th Sep 20253812 PMAQI
17th Sep 2025361 PMAQI
17th Sep 2025462 PMAQI
17th Sep 2025433 PMAQI
17th Sep 2025424 PMAQI
17th Sep 2025345 PMAQI
17th Sep 2025416 PMAQI
17th Sep 2025427 PMAQI
17th Sep 2025508 PMAQI
17th Sep 2025559 PMAQI
17th Sep 20255610 PMAQI
17th Sep 20255611 PMAQI
18th Sep 20255612 AMAQI
18th Sep 2025501 AMAQI
18th Sep 2025472 AMAQI
18th Sep 2025483 AMAQI
18th Sep 2025514 AMAQI
27°C25/31°C
18th Sep 2025505 AMAQI
18th Sep 2025526 AMAQI
18th Sep 2025607 AMAQI
18th Sep 2025668 AMAQI
18th Sep 2025689 AMAQI
18th Sep 20256610 AMAQI
18th Sep 20255611 AMAQI
18th Sep 20255412 PMAQI
18th Sep 2025511 PMAQI
18th Sep 2025482 PMAQI
18th Sep 2025433 PMAQI
18th Sep 2025374 PMAQI
18th Sep 2025405 PMAQI
18th Sep 2025496 PMAQI
18th Sep 2025567 PMAQI
18th Sep 2025558 PMAQI
18th Sep 2025589 PMAQI
18th Sep 20255910 PMAQI
18th Sep 20256011 PMAQI
19th Sep 20256012 AMAQI
19th Sep 2025511 AMAQI
19th Sep 2025532 AMAQI
19th Sep 2025543 AMAQI
19th Sep 2025544 AMAQI
27°C25/30°C
19th Sep 2025545 AMAQI
19th Sep 2025536 AMAQI
19th Sep 2025637 AMAQI
19th Sep 2025638 AMAQI
19th Sep 2025609 AMAQI
19th Sep 20255810 AMAQI
19th Sep 20255811 AMAQI
19th Sep 20255912 PMAQI
19th Sep 2025541 PMAQI
19th Sep 2025472 PMAQI
19th Sep 2025423 PMAQI
19th Sep 2025374 PMAQI
19th Sep 2025385 PMAQI
19th Sep 2025566 PMAQI
19th Sep 2025607 PMAQI
19th Sep 2025598 PMAQI
19th Sep 2025599 PMAQI
19th Sep 20255610 PMAQI
19th Sep 20255511 PMAQI
20th Sep 20255512 AMAQI
20th Sep 2025541 AMAQI
20th Sep 2025552 AMAQI
20th Sep 2025553 AMAQI
20th Sep 2025554 AMAQI
28°C25/33°C
20th Sep 2025565 AMAQI
20th Sep 2025566 AMAQI
20th Sep 2025887 AMAQI
20th Sep 2025878 AMAQI
20th Sep 2025719 AMAQI
20th Sep 20257710 AMAQI
20th Sep 20256911 AMAQI
20th Sep 20257212 PMAQI
20th Sep 2025631 PMAQI
20th Sep 2025592 PMAQI
20th Sep 2025623 PMAQI
20th Sep 2025644 PMAQI
20th Sep 2025615 PMAQI
20th Sep 2025616 PMAQI
20th Sep 2025637 PMAQI
20th Sep 2025688 PMAQI
20th Sep 2025779 PMAQI
20th Sep 20258210 PMAQI
20th Sep 20257611 PMAQI
21st Sep 20256712 AMAQI
21st Sep 2025571 AMAQI
21st Sep 2025552 AMAQI
21st Sep 2025593 AMAQI
21st Sep 2025594 AMAQI
29°C25/35°C
21st Sep 2025605 AMAQI
21st Sep 2025606 AMAQI
21st Sep 2025727 AMAQI
21st Sep 2025848 AMAQI
21st Sep 2025809 AMAQI
21st Sep 20257510 AMAQI
21st Sep 20257011 AMAQI
21st Sep 20257212 PMAQI
21st Sep 2025701 PMAQI
21st Sep 2025772 PMAQI
21st Sep 2025653 PMAQI
21st Sep 2025674 PMAQI
21st Sep 2025685 PMAQI
21st Sep 2025686 PMAQI
21st Sep 2025677 PMAQI
21st Sep 2025688 PMAQI
21st Sep 2025719 PMAQI
21st Sep 20256810 PMAQI
21st Sep 20256611 PMAQI
22nd Sep 20256012 AMAQI
22nd Sep 2025581 AMAQI
22nd Sep 2025582 AMAQI
22nd Sep 2025593 AMAQI
22nd Sep 2025604 AMAQI
29°C26/35°C
22nd Sep 2025595 AMAQI
22nd Sep 2025626 AMAQI
22nd Sep 2025577 AMAQI
22nd Sep 2025588 AMAQI
22nd Sep 2025529 AMAQI
22nd Sep 20254610 AMAQI
22nd Sep 20254811 AMAQI
22nd Sep 20254712 PMAQI
22nd Sep 2025501 PMAQI
22nd Sep 2025572 PMAQI
22nd Sep 2025613 PMAQI
22nd Sep 2025574 PMAQI
22nd Sep 2025565 PMAQI
22nd Sep 2025636 PMAQI
22nd Sep 2025627 PMAQI
22nd Sep 2025618 PMAQI
22nd Sep 2025599 PMAQI
22nd Sep 20255810 PMAQI
22nd Sep 20256311 PMAQI
23rd Sep 20255912 AMAQI
23rd Sep 2025581 AMAQI
23rd Sep 2025572 AMAQI
23rd Sep 2025563 AMAQI
23rd Sep 2025564 AMAQI
28°C26/32°C
23rd Sep 2025565 AMAQI
23rd Sep 2025566 AMAQI
23rd Sep 2025617 AMAQI
23rd Sep 2025688 AMAQI
23rd Sep 2025689 AMAQI
23rd Sep 20256310 AMAQI
23rd Sep 20256011 AMAQI
23rd Sep 20255812 PMAQI
23rd Sep 2025641 PMAQI
23rd Sep 2025542 PMAQI
23rd Sep 2025563 PMAQI
23rd Sep 2025554 PMAQI
23rd Sep 2025565 PMAQI
23rd Sep 2025636 PMAQI
23rd Sep 2025787 PMAQI
23rd Sep 2025668 PMAQI
23rd Sep 2025749 PMAQI
23rd Sep 20256410 PMAQI
23rd Sep 20256711 PMAQI
24th Sep 20256312 AMAQI
24th Sep 2025581 AMAQI
24th Sep 2025582 AMAQI
24th Sep 2025593 AMAQI
24th Sep 2025594 AMAQI
28°C24/32°C
24th Sep 2025585 AMAQI
24th Sep 2025606 AMAQI
24th Sep 2025577 AMAQI
24th Sep 2025598 AMAQI
24th Sep 2025639 AMAQI
24th Sep 20255710 AMAQI
24th Sep 20256111 AMAQI
24th Sep 20255712 PMAQI
24th Sep 2025531 PMAQI
24th Sep 2025512 PMAQI
24th Sep 2025423 PMAQI
24th Sep 2025474 PMAQI
24th Sep 2025585 PMAQI
24th Sep 2025616 PMAQI
24th Sep 2025567 PMAQI
24th Sep 2025568 PMAQI
24th Sep 2025609 PMAQI
24th Sep 20256610 PMAQI
24th Sep 20256411 PMAQI
25th Sep 20256612 AMAQI
25th Sep 2025581 AMAQI
25th Sep 2025582 AMAQI
25th Sep 2025583 AMAQI
25th Sep 2025584 AMAQI
29°C24/34°C
25th Sep 2025585 AMAQI
25th Sep 2025596 AMAQI
25th Sep 2025557 AMAQI
25th Sep 2025568 AMAQI
25th Sep 2025529 AMAQI
25th Sep 20255210 AMAQI
25th Sep 20255711 AMAQI
25th Sep 20256012 PMAQI
25th Sep 2025581 PMAQI
25th Sep 2025552 PMAQI
25th Sep 2025513 PMAQI
25th Sep 2025514 PMAQI
25th Sep 2025525 PMAQI
25th Sep 2025536 PMAQI
25th Sep 2025557 PMAQI
25th Sep 2025518 PMAQI
25th Sep 2025449 PMAQI
25th Sep 20254110 PMAQI
25th Sep 20254611 PMAQI
26th Sep 20255112 AMAQI
26th Sep 2025491 AMAQI
26th Sep 2025512 AMAQI
26th Sep 2025543 AMAQI
26th Sep 2025564 AMAQI
25°C24/25°C
26th Sep 2025585 AMAQI
26th Sep 2025586 AMAQI
26th Sep 2025587 AMAQI
26th Sep 2025598 AMAQI
26th Sep 2025639 AMAQI
26th Sep 20256610 AMAQI
26th Sep 20256611 AMAQI
26th Sep 20256712 PMAQI
26th Sep 2025681 PMAQI
26th Sep 2025692 PMAQI
26th Sep 2025683 PMAQI
26th Sep 2025684 PMAQI
26th Sep 2025685 PMAQI
26th Sep 2025676 PMAQI
26th Sep 2025687 PMAQI
26th Sep 2025658 PMAQI
26th Sep 2025659 PMAQI
26th Sep 20256810 PMAQI
26th Sep 20257111 PMAQI
27th Sep 20256612 AMAQI
27th Sep 2025611 AMAQI
27th Sep 2025562 AMAQI
27th Sep 2025523 AMAQI
27th Sep 2025534 AMAQI
25°C23/29°C
27th Sep 2025545 AMAQI
27th Sep 2025566 AMAQI
27th Sep 2025547 AMAQI
27th Sep 2025518 AMAQI
27th Sep 2025539 AMAQI
27th Sep 20255210 AMAQI
27th Sep 20255511 AMAQI
27th Sep 20255412 PMAQI
27th Sep 2025471 PMAQI
27th Sep 2025382 PMAQI
27th Sep 2025373 PMAQI
27th Sep 2025304 PMAQI
27th Sep 2025335 PMAQI
27th Sep 2025356 PMAQI
27th Sep 2025387 PMAQI
27th Sep 2025428 PMAQI
27th Sep 2025549 PMAQI
27th Sep 20255510 PMAQI
27th Sep 20256211 PMAQI
28th Sep 20256312 AMAQI
28th Sep 2025621 AMAQI
28th Sep 2025652 AMAQI
28th Sep 2025643 AMAQI
28th Sep 2025594 AMAQI
27°C24/30°C
28th Sep 2025575 AMAQI
28th Sep 2025566 AMAQI
28th Sep 2025587 AMAQI
28th Sep 2025578 AMAQI
28th Sep 2025569 AMAQI
28th Sep 20255410 AMAQI
28th Sep 20255711 AMAQI
28th Sep 20255312 PMAQI
28th Sep 2025541 PMAQI
28th Sep 2025532 PMAQI
28th Sep 2025473 PMAQI
28th Sep 2025444 PMAQI
28th Sep 2025525 PMAQI
28th Sep 2025476 PMAQI
28th Sep 2025397 PMAQI
28th Sep 2025388 PMAQI
28th Sep 2025379 PMAQI
28th Sep 20254110 PMAQI
28th Sep 20254411 PMAQI
29th Sep 20254812 AMAQI
29th Sep 2025571 AMAQI
29th Sep 2025582 AMAQI
29th Sep 2025593 AMAQI
29th Sep 2025604 AMAQI
25°C23/31°C
29th Sep 2025605 AMAQI
29th Sep 2025586 AMAQI
29th Sep 2025567 AMAQI
29th Sep 2025548 AMAQI
29th Sep 2025529 AMAQI
29th Sep 20254810 AMAQI
29th Sep 20254211 AMAQI
29th Sep 20253912 PMAQI
29th Sep 2025391 PMAQI
29th Sep 2025392 PMAQI
29th Sep 2025413 PMAQI
29th Sep 2025444 PMAQI
29th Sep 2025445 PMAQI
29th Sep 2025466 PMAQI
29th Sep 2025497 PMAQI
29th Sep 2025528 PMAQI
29th Sep 2025529 PMAQI
29th Sep 20254610 PMAQI
29th Sep 20254911 PMAQI
30th Sep 20254612 AMAQI
30th Sep 2025461 AMAQI
30th Sep 2025462 AMAQI
30th Sep 2025353 AMAQI
30th Sep 2025374 AMAQI
25°C24/25°C
30th Sep 2025385 AMAQI
30th Sep 2025436 AMAQI
30th Sep 2025447 AMAQI
30th Sep 2025508 AMAQI
30th Sep 2025429 AMAQI
30th Sep 20254710 AMAQI
30th Sep 20254711 AMAQI
30th Sep 20255612 PMAQI
30th Sep 2025551 PMAQI
30th Sep 2025532 PMAQI
30th Sep 2025553 PMAQI
30th Sep 2025654 PMAQI
30th Sep 2025715 PMAQI
30th Sep 2025586 PMAQI
30th Sep 2025597 PMAQI
30th Sep 2025638 PMAQI
30th Sep 2025639 PMAQI
30th Sep 20256310 PMAQI
30th Sep 20256511 PMAQI
1st Oct 20256312 AMAQI
1st Oct 2025711 AMAQI
1st Oct 2025822 AMAQI
1st Oct 2025863 AMAQI
1st Oct 2025944 AMAQI
26°C25/30°C
1st Oct 2025895 AMAQI
1st Oct 2025866 AMAQI
1st Oct 2025867 AMAQI
1st Oct 2025828 AMAQI
1st Oct 2025819 AMAQI
1st Oct 20257110 AMAQI
1st Oct 20256211 AMAQI
1st Oct 20255812 PMAQI
1st Oct 2025571 PMAQI
1st Oct 2025582 PMAQI
1st Oct 2025583 PMAQI
1st Oct 2025624 PMAQI
1st Oct 2025665 PMAQI
1st Oct 2025646 PMAQI
1st Oct 2025637 PMAQI
1st Oct 2025658 PMAQI
1st Oct 2025779 PMAQI
1st Oct 20258810 PMAQI
1st Oct 20259011 PMAQI
2nd Oct 20258212 AMAQI
2nd Oct 2025821 AMAQI
2nd Oct 2025852 AMAQI
2nd Oct 2025903 AMAQI
2nd Oct 20251134 AMAQI
27°C24/30°C
2nd Oct 20251175 AMAQI
2nd Oct 20251036 AMAQI
2nd Oct 20251097 AMAQI
2nd Oct 20251028 AMAQI
2nd Oct 20251189 AMAQI
2nd Oct 202511810 AMAQI
2nd Oct 20259511 AMAQI
2nd Oct 20257012 PMAQI
2nd Oct 2025691 PMAQI
2nd Oct 2025632 PMAQI
2nd Oct 2025623 PMAQI
2nd Oct 2025614 PMAQI
2nd Oct 2025625 PMAQI
2nd Oct 2025646 PMAQI
2nd Oct 2025607 PMAQI
2nd Oct 2025628 PMAQI
2nd Oct 2025719 PMAQI
2nd Oct 20258210 PMAQI
2nd Oct 20257311 PMAQI
3rd Oct 20257712 AMAQI
3rd Oct 2025691 AMAQI
3rd Oct 2025672 AMAQI
3rd Oct 2025663 AMAQI
3rd Oct 2025714 AMAQI
27°C24/33°C
3rd Oct 2025785 AMAQI
3rd Oct 2025776 AMAQI
3rd Oct 2025727 AMAQI
3rd Oct 2025738 AMAQI
3rd Oct 2025759 AMAQI
3rd Oct 20257410 AMAQI
3rd Oct 20256711 AMAQI
3rd Oct 20256412 PMAQI
3rd Oct 2025661 PMAQI
3rd Oct 2025632 PMAQI
3rd Oct 2025623 PMAQI
3rd Oct 2025584 PMAQI
3rd Oct 2025605 PMAQI
3rd Oct 2025556 PMAQI
3rd Oct 2025687 PMAQI
3rd Oct 2025778 PMAQI
3rd Oct 2025799 PMAQI
3rd Oct 20258810 PMAQI
3rd Oct 20259711 PMAQI
4th Oct 20259412 AMAQI
4th Oct 2025911 AMAQI
4th Oct 2025852 AMAQI
4th Oct 2025873 AMAQI
4th Oct 2025804 AMAQI
28°C24/33°C
4th Oct 2025875 AMAQI
4th Oct 2025956 AMAQI
4th Oct 20251007 AMAQI
4th Oct 20251138 AMAQI
4th Oct 20251109 AMAQI
4th Oct 202512310 AMAQI
4th Oct 202511611 AMAQI
4th Oct 20259512 PMAQI
4th Oct 20251151 PMAQI
4th Oct 20251072 PMAQI
4th Oct 2025993 PMAQI
4th Oct 2025994 PMAQI
4th Oct 2025965 PMAQI
4th Oct 20251086 PMAQI
4th Oct 20251047 PMAQI
4th Oct 20251038 PMAQI
4th Oct 20251119 PMAQI
4th Oct 202511810 PMAQI
4th Oct 202511511 PMAQI
5th Oct 202511312 AMAQI
5th Oct 2025971 AMAQI
5th Oct 20251122 AMAQI
5th Oct 20251223 AMAQI
5th Oct 20251274 AMAQI
28°C24/32°C
5th Oct 20251265 AMAQI
5th Oct 20251446 AMAQI
5th Oct 20251577 AMAQI
5th Oct 20251528 AMAQI
5th Oct 20251509 AMAQI
5th Oct 202514610 AMAQI
5th Oct 202513711 AMAQI
5th Oct 202514312 PMAQI
5th Oct 20251311 PMAQI
5th Oct 20251122 PMAQI
5th Oct 20251063 PMAQI
5th Oct 20251024 PMAQI
5th Oct 20251125 PMAQI
5th Oct 2025986 PMAQI
5th Oct 20251187 PMAQI
5th Oct 20251168 PMAQI
5th Oct 20251349 PMAQI
5th Oct 202514610 PMAQI
5th Oct 202515211 PMAQI
6th Oct 202516212 AMAQI
6th Oct 20251571 AMAQI
6th Oct 20251592 AMAQI
6th Oct 20251643 AMAQI
6th Oct 20251604 AMAQI
29°C25/34°C
6th Oct 20251575 AMAQI
5 AM6th Oct 20251506 AMAQI
6th Oct 20251487 AMAQI
6th Oct 20251518 AMAQI
11 AM
5 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
8 AM
64AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
3 PM - 4 PM
50AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 8 AM (Avg. 64), while the lowest AQI was between 3 PM to 4 PM (Avg. 50).
Night time
Avg. Highest Time
10 PM - 11 PM
64AQI
2 hours / Day
60 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 10 PM to 11 PM (Avg. 64), while the lowest AQI was between 6 PM to 6 PM (Avg. 55).
2025 Days Vs Air Quality
Tram y te xa Sai Son Quoc Oai, Hanoi, Ha Noi, Vietnam
2025
14%
39
64%
178
19%
54
2%
6
Total number of days with different AQI categories in last 279 days in 2025 (86 days remaining)
Good
39 DaysModerate
178 DaysPoor
54 DaysUnhealthy
6 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
Tram y te xa Sai Son Quoc Oai, 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
142AQI
142AQI
2nd January 2025
188AQI
188AQI
3rd January 2025
146AQI
146AQI
4th January 2025
113AQI
113AQI
5th January 2025
102AQI
102AQI
6th January 2025
109AQI
109AQI
7th January 2025
137AQI
137AQI
8th January 2025
143AQI
143AQI
9th January 2025
149AQI
149AQI
10th January 2025
102AQI
102AQI
11th January 2025
116AQI
116AQI
12th January 2025
117AQI
117AQI
13th January 2025
143AQI
143AQI
14th January 2025
147AQI
147AQI
15th January 2025
143AQI
143AQI
16th January 2025
140AQI
140AQI
17th January 2025
150AQI
150AQI
18th January 2025
162AQI
162AQI
19th January 2025
156AQI
156AQI
20th January 2025
176AQI
176AQI
21st January 2025
150AQI
150AQI
22nd January 2025
151AQI
151AQI
23rd January 2025
131AQI
131AQI
24th January 2025
118AQI
118AQI
25th January 2025
109AQI
109AQI
26th January 2025
66AQI
66AQI
27th January 2025
91AQI
91AQI
28th January 2025
82AQI
82AQI
29th January 2025
109AQI
109AQI
30th January 2025
102AQI
102AQI
31st January 2025
81AQI
81AQI
1st February 2025
80AQI
80AQI
2nd February 2025
68AQI
68AQI
3rd February 2025
59AQI
59AQI
4th February 2025
68AQI
68AQI
5th February 2025
89AQI
89AQI
6th February 2025
102AQI
102AQI
7th February 2025
56AQI
56AQI
8th February 2025
70AQI
70AQI
9th February 2025
91AQI
91AQI
10th February 2025
137AQI
137AQI
11th February 2025
147AQI
147AQI
12th February 2025
160AQI
160AQI
13th February 2025
142AQI
142AQI
14th February 2025
135AQI
135AQI
15th February 2025
148AQI
148AQI
16th February 2025
82AQI
82AQI
17th February 2025
112AQI
112AQI
18th February 2025
75AQI
75AQI
19th February 2025
106AQI
106AQI
20th February 2025
126AQI
126AQI
21st February 2025
115AQI
115AQI
22nd February 2025
128AQI
128AQI
23rd February 2025
73AQI
73AQI
24th February 2025
78AQI
78AQI
25th February 2025
88AQI
88AQI
26th February 2025
82AQI
82AQI
27th February 2025
135AQI
135AQI
28th February 2025
103AQI
103AQI
1st March 2025
106AQI
106AQI
2nd March 2025
85AQI
85AQI
3rd March 2025
88AQI
88AQI
4th March 2025
91AQI
91AQI
5th March 2025
92AQI
92AQI
6th March 2025
71AQI
71AQI
7th March 2025
77AQI
77AQI
8th March 2025
98AQI
98AQI
9th March 2025
128AQI
128AQI
10th March 2025
141AQI
141AQI
11th March 2025
124AQI
124AQI
12th March 2025
102AQI
102AQI
13th March 2025
90AQI
90AQI
14th March 2025
92AQI
92AQI
15th March 2025
86AQI
86AQI
16th March 2025
67AQI
67AQI
17th March 2025
87AQI
87AQI
18th March 2025
86AQI
86AQI
19th March 2025
80AQI
80AQI
20th March 2025
91AQI
91AQI
21st March 2025
113AQI
113AQI
22nd March 2025
112AQI
112AQI
23rd March 2025
118AQI
118AQI
24th March 2025
122AQI
122AQI
25th March 2025
128AQI
128AQI
26th March 2025
104AQI
104AQI
27th March 2025
105AQI
105AQI
28th March 2025
104AQI
104AQI
29th March 2025
77AQI
77AQI
30th March 2025
62AQI
62AQI
31st March 2025
72AQI
72AQI
1st April 2025
89AQI
89AQI
2nd April 2025
112AQI
112AQI
3rd April 2025
103AQI
103AQI
4th April 2025
129AQI
129AQI
5th April 2025
99AQI
99AQI
6th April 2025
113AQI
113AQI
7th April 2025
103AQI
103AQI
8th April 2025
104AQI
104AQI
9th April 2025
89AQI
89AQI
10th April 2025
91AQI
91AQI
11th April 2025
91AQI
91AQI
12th April 2025
98AQI
98AQI
13th April 2025
82AQI
82AQI
14th April 2025
93AQI
93AQI
15th April 2025
94AQI
94AQI
16th April 2025
98AQI
98AQI
17th April 2025
93AQI
93AQI
18th April 2025
95AQI
95AQI
19th April 2025
88AQI
88AQI
20th April 2025
77AQI
77AQI
21st April 2025
76AQI
76AQI
22nd April 2025
85AQI
85AQI
23rd April 2025
87AQI
87AQI
24th April 2025
77AQI
77AQI
25th April 2025
71AQI
71AQI
26th April 2025
72AQI
72AQI
27th April 2025
62AQI
62AQI
28th April 2025
58AQI
58AQI
29th April 2025
70AQI
70AQI
30th April 2025
67AQI
67AQI
1st May 2025
55AQI
55AQI
2nd May 2025
72AQI
72AQI
3rd May 2025
73AQI
73AQI
4th May 2025
73AQI
73AQI
5th May 2025
79AQI
79AQI
6th May 2025
71AQI
71AQI
7th May 2025
74AQI
74AQI
8th May 2025
74AQI
74AQI
9th May 2025
77AQI
77AQI
10th May 2025
77AQI
77AQI
11th May 2025
52AQI
52AQI
12th May 2025
70AQI
70AQI
13th May 2025
68AQI
68AQI
14th May 2025
64AQI
64AQI
15th May 2025
61AQI
61AQI
16th May 2025
59AQI
59AQI
17th May 2025
53AQI
53AQI
18th May 2025
56AQI
56AQI
19th May 2025
56AQI
56AQI
20th May 2025
58AQI
58AQI
21st May 2025
56AQI
56AQI
22nd May 2025
56AQI
56AQI
23rd May 2025
56AQI
56AQI
24th May 2025
53AQI
53AQI
25th May 2025
55AQI
55AQI
26th May 2025
60AQI
60AQI
27th May 2025
89AQI
89AQI
28th May 2025
87AQI
87AQI
29th May 2025
68AQI
68AQI
30th May 2025
65AQI
65AQI
31st May 2025
63AQI
63AQI
1st June 2025
52AQI
52AQI
2nd June 2025
55AQI
55AQI
3rd June 2025
54AQI
54AQI
4th June 2025
58AQI
58AQI
5th June 2025
65AQI
65AQI
6th June 2025
58AQI
58AQI
7th June 2025
58AQI
58AQI
8th June 2025
58AQI
58AQI
9th June 2025
62AQI
62AQI
10th June 2025
55AQI
55AQI
11th June 2025
61AQI
61AQI
12th June 2025
61AQI
61AQI
13th June 2025
55AQI
55AQI
14th June 2025
63AQI
63AQI
15th June 2025
69AQI
69AQI
16th June 2025
64AQI
64AQI
17th June 2025
60AQI
60AQI
18th June 2025
54AQI
54AQI
19th June 2025
60AQI
60AQI
20th June 2025
64AQI
64AQI
21st June 2025
55AQI
55AQI
22nd June 2025
52AQI
52AQI
23rd June 2025
59AQI
59AQI
24th June 2025
61AQI
61AQI
25th June 2025
59AQI
59AQI
26th June 2025
58AQI
58AQI
27th June 2025
57AQI
57AQI
28th June 2025
53AQI
53AQI
29th June 2025
53AQI
53AQI
30th June 2025
53AQI
53AQI
1st July 2025
48AQI
48AQI
2nd July 2025
47AQI
47AQI
3rd July 2025
52AQI
52AQI
4th July 2025
59AQI
59AQI
5th July 2025
60AQI
60AQI
6th July 2025
58AQI
58AQI
7th July 2025
61AQI
61AQI
8th July 2025
57AQI
57AQI
9th July 2025
60AQI
60AQI
10th July 2025
54AQI
54AQI
11th July 2025
53AQI
53AQI
12th July 2025
53AQI
53AQI
13th July 2025
54AQI
54AQI
14th July 2025
63AQI
63AQI
15th July 2025
66AQI
66AQI
16th July 2025
57AQI
57AQI
17th July 2025
56AQI
56AQI
18th July 2025
57AQI
57AQI
19th July 2025
67AQI
67AQI
20th July 2025
56AQI
56AQI
21st July 2025
56AQI
56AQI
22nd July 2025
50AQI
50AQI
23rd July 2025
53AQI
53AQI
24th July 2025
50AQI
50AQI
25th July 2025
53AQI
53AQI
26th July 2025
55AQI
55AQI
27th July 2025
56AQI
56AQI
28th July 2025
61AQI
61AQI
29th July 2025
67AQI
67AQI
30th July 2025
64AQI
64AQI
31st July 2025
58AQI
58AQI
1st August 2025
52AQI
52AQI
2nd August 2025
54AQI
54AQI
3rd August 2025
56AQI
56AQI
4th August 2025
56AQI
56AQI
5th August 2025
54AQI
54AQI
6th August 2025
52AQI
52AQI
7th August 2025
53AQI
53AQI
8th August 2025
54AQI
54AQI
9th August 2025
52AQI
52AQI
10th August 2025
54AQI
54AQI
11th August 2025
55AQI
55AQI
12th August 2025
50AQI
50AQI
13th August 2025
51AQI
51AQI
14th August 2025
54AQI
54AQI
15th August 2025
45AQI
45AQI
16th August 2025
41AQI
41AQI
17th August 2025
39AQI
39AQI
18th August 2025
38AQI
38AQI
19th August 2025
42AQI
42AQI
20th August 2025
45AQI
45AQI
21st August 2025
47AQI
47AQI
22nd August 2025
47AQI
47AQI
23rd August 2025
46AQI
46AQI
24th August 2025
44AQI
44AQI
25th August 2025
36AQI
36AQI
26th August 2025
34AQI
34AQI
27th August 2025
40AQI
40AQI
28th August 2025
45AQI
45AQI
29th August 2025
46AQI
46AQI
30th August 2025
40AQI
40AQI
31st August 2025
39AQI
39AQI
1st September 2025
42AQI
42AQI
2nd September 2025
42AQI
42AQI
3rd September 2025
39AQI
39AQI
4th September 2025
48AQI
48AQI
5th September 2025
40AQI
40AQI
6th September 2025
39AQI
39AQI
7th September 2025
50AQI
50AQI
8th September 2025
55AQI
55AQI
9th September 2025
45AQI
45AQI
10th September 2025
50AQI
50AQI
11th September 2025
44AQI
44AQI
12th September 2025
39AQI
39AQI
13th September 2025
38AQI
38AQI
14th September 2025
40AQI
40AQI
15th September 2025
43AQI
43AQI
16th September 2025
46AQI
46AQI
17th September 2025
48AQI
48AQI
18th September 2025
53AQI
53AQI
19th September 2025
55AQI
55AQI
20th September 2025
66AQI
66AQI
21st September 2025
67AQI
67AQI
22nd September 2025
58AQI
58AQI
23rd September 2025
62AQI
62AQI
24th September 2025
58AQI
58AQI
25th September 2025
54AQI
54AQI
26th September 2025
61AQI
61AQI
27th September 2025
53AQI
53AQI
28th September 2025
54AQI
54AQI
29th September 2025
48AQI
48AQI
30th September 2025
52AQI
52AQI
1st October 2025
73AQI
73AQI
2nd October 2025
83AQI
83AQI
3rd October 2025
73AQI
73AQI
4th October 2025
98AQI
98AQI
5th October 2025
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
128AQI
102AQI
97AQI
89AQI
65AQI
58AQI
57AQI
47AQI
50AQI
82AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202577AQI
4
22
5
14
13
1
18
13
24
6
31
30
4
27
18
13
17
13
4
39
178
54
6
Highest AQI recorded in
January128AQI
Lowest AQI recorded in
August47AQI
202469AQI
1
14
1
1
2
2
3
9
2
28
21
10
29
8
12
6
3
7
8
12
4
1
27
2
16
13
2
77
124
34
9
Highest AQI recorded in
December100AQI
Lowest AQI recorded in
April25AQI
202335AQI
2
1
26
5
28
6
Highest AQI recorded in
November41AQI
Lowest AQI recorded in
December34AQI
20215AQI
2
2
12
16
Highest AQI recorded in
July6AQI
Lowest AQI recorded in
April4AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2025(Avg.)
77AQILeast Polluted Year Recorded
2021(Avg.)
5AQITram y te xa Sai Son Quoc Oai's annual 2025 AQI (77) shows an average percentage change of 483.1% (worsened AQI) compared to previous years: 2021 (5), 2023 (35), 2024 (69).
