Dam Trau phuong Bach Dang, 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+
September Air Quality Analysis
Dam Trau phuong Bach Dang, Hanoi, Ha Noi, Vietnam
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
26th Sep 2024
164AQILowest AQI recorded on
1st Sep 2024
32AQISame Day Analysis (21st September ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 67 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 21st Sep - 22nd Sep 2025
Dam Trau phuong Bach Dang, Hanoi, Ha Noi, Vietnam
AQI
Day
Night
.
5 AM21st Sep 2025
6 PM
4 AM22nd Sep 2025
Day time
Avg. Highest Time
10AM21st Sep
94AQI
Avg. Lowest Time
6AM21st Sep
60AQI
Night time
Avg. Highest Time
9PM21st Sep
67AQI
Avg. Lowest Time
2AM22nd Sep
56AQI
In the last 24 hours,
Dam Trau phuong Bach Dang's AQI reached its highest point of 94 at 10 AM during the Day, while the lowest point, 56, was recorded at 2 AM during the Night between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Dam Trau phuong Bach Dang, Hanoi, Ha Noi, Vietnam
AugSep
23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd
Day
Night
23rd Aug 2025505 AMAQI
23rd Aug 2025526 AMAQI
23rd Aug 2025607 AMAQI
23rd Aug 2025528 AMAQI
23rd Aug 2025379 AMAQI
23rd Aug 20255010 AMAQI
23rd Aug 20255611 AMAQI
23rd Aug 20254212 PMAQI
23rd Aug 2025361 PMAQI
23rd Aug 2025382 PMAQI
23rd Aug 2025313 PMAQI
23rd Aug 2025334 PMAQI
23rd Aug 2025385 PMAQI
23rd Aug 2025406 PMAQI
23rd Aug 2025447 PMAQI
23rd Aug 2025498 PMAQI
23rd Aug 2025519 PMAQI
23rd Aug 20255010 PMAQI
23rd Aug 20255011 PMAQI
24th Aug 20254912 AMAQI
24th Aug 2025471 AMAQI
24th Aug 2025462 AMAQI
24th Aug 2025433 AMAQI
24th Aug 2025434 AMAQI
28°C25/33°C
24th Aug 2025445 AMAQI
24th Aug 2025436 AMAQI
24th Aug 2025487 AMAQI
24th Aug 2025498 AMAQI
24th Aug 2025429 AMAQI
24th Aug 20254510 AMAQI
24th Aug 20254311 AMAQI
24th Aug 20254312 PMAQI
24th Aug 2025441 PMAQI
24th Aug 2025442 PMAQI
24th Aug 2025353 PMAQI
24th Aug 2025474 PMAQI
24th Aug 2025485 PMAQI
24th Aug 2025456 PMAQI
24th Aug 2025507 PMAQI
24th Aug 2025478 PMAQI
24th Aug 2025509 PMAQI
24th Aug 20254910 PMAQI
24th Aug 20254611 PMAQI
25th Aug 20254412 AMAQI
25th Aug 2025471 AMAQI
25th Aug 2025452 AMAQI
25th Aug 2025433 AMAQI
25th Aug 2025454 AMAQI
29°C25/34°C
25th Aug 2025465 AMAQI
25th Aug 2025466 AMAQI
25th Aug 2025247 AMAQI
25th Aug 2025348 AMAQI
25th Aug 2025269 AMAQI
25th Aug 20252710 AMAQI
25th Aug 20253211 AMAQI
25th Aug 20253012 PMAQI
25th Aug 2025261 PMAQI
25th Aug 2025312 PMAQI
25th Aug 2025353 PMAQI
25th Aug 2025314 PMAQI
25th Aug 2025285 PMAQI
25th Aug 2025426 PMAQI
25th Aug 2025337 PMAQI
25th Aug 2025378 PMAQI
25th Aug 2025299 PMAQI
25th Aug 20253810 PMAQI
25th Aug 20254411 PMAQI
26th Aug 20254312 AMAQI
26th Aug 2025441 AMAQI
26th Aug 2025412 AMAQI
26th Aug 2025413 AMAQI
26th Aug 2025404 AMAQI
25°C24/29°C
26th Aug 2025425 AMAQI
26th Aug 2025426 AMAQI
26th Aug 2025307 AMAQI
26th Aug 2025318 AMAQI
26th Aug 2025289 AMAQI
26th Aug 20252810 AMAQI
26th Aug 20252611 AMAQI
26th Aug 20253412 PMAQI
26th Aug 2025281 PMAQI
26th Aug 2025262 PMAQI
26th Aug 2025293 PMAQI
26th Aug 2025284 PMAQI
26th Aug 2025305 PMAQI
26th Aug 2025266 PMAQI
26th Aug 2025367 PMAQI
26th Aug 2025328 PMAQI
26th Aug 2025379 PMAQI
26th Aug 20253110 PMAQI
26th Aug 20253411 PMAQI
27th Aug 20253912 AMAQI
27th Aug 2025431 AMAQI
27th Aug 2025412 AMAQI
27th Aug 2025413 AMAQI
27th Aug 2025394 AMAQI
24°C23/25°C
27th Aug 2025415 AMAQI
27th Aug 2025416 AMAQI
27th Aug 2025427 AMAQI
27th Aug 2025398 AMAQI
27th Aug 2025349 AMAQI
27th Aug 20254410 AMAQI
27th Aug 20254511 AMAQI
27th Aug 20253312 PMAQI
27th Aug 2025341 PMAQI
27th Aug 2025442 PMAQI
27th Aug 2025333 PMAQI
27th Aug 2025384 PMAQI
27th Aug 2025395 PMAQI
27th Aug 2025406 PMAQI
27th Aug 2025367 PMAQI
27th Aug 2025498 PMAQI
27th Aug 2025439 PMAQI
27th Aug 20254110 PMAQI
27th Aug 20254811 PMAQI
28th Aug 20254212 AMAQI
28th Aug 2025441 AMAQI
28th Aug 2025422 AMAQI
28th Aug 2025443 AMAQI
28th Aug 2025404 AMAQI
25°C24/28°C
28th Aug 2025435 AMAQI
28th Aug 2025426 AMAQI
28th Aug 2025437 AMAQI
28th Aug 2025498 AMAQI
28th Aug 2025529 AMAQI
28th Aug 20253810 AMAQI
28th Aug 20254111 AMAQI
28th Aug 20255112 PMAQI
28th Aug 2025411 PMAQI
28th Aug 2025482 PMAQI
28th Aug 2025523 PMAQI
28th Aug 2025394 PMAQI
28th Aug 2025415 PMAQI
28th Aug 2025446 PMAQI
28th Aug 2025487 PMAQI
28th Aug 2025508 PMAQI
28th Aug 2025549 PMAQI
28th Aug 20254710 PMAQI
28th Aug 20254611 PMAQI
29th Aug 20254312 AMAQI
29th Aug 2025471 AMAQI
29th Aug 2025462 AMAQI
29th Aug 2025463 AMAQI
29th Aug 2025474 AMAQI
27°C23/32°C
29th Aug 2025475 AMAQI
29th Aug 2025466 AMAQI
29th Aug 2025457 AMAQI
29th Aug 2025488 AMAQI
29th Aug 2025499 AMAQI
29th Aug 20254710 AMAQI
29th Aug 20254811 AMAQI
29th Aug 20255412 PMAQI
29th Aug 2025461 PMAQI
29th Aug 2025442 PMAQI
29th Aug 2025433 PMAQI
29th Aug 2025374 PMAQI
29th Aug 2025475 PMAQI
29th Aug 2025486 PMAQI
29th Aug 2025447 PMAQI
29th Aug 2025458 PMAQI
29th Aug 2025419 PMAQI
29th Aug 20254810 PMAQI
29th Aug 20254411 PMAQI
30th Aug 20254512 AMAQI
30th Aug 2025481 AMAQI
30th Aug 2025502 AMAQI
30th Aug 2025493 AMAQI
30th Aug 2025494 AMAQI
27°C24/32°C
30th Aug 2025485 AMAQI
30th Aug 2025486 AMAQI
30th Aug 2025267 AMAQI
30th Aug 2025388 AMAQI
30th Aug 2025389 AMAQI
30th Aug 20253610 AMAQI
30th Aug 20254211 AMAQI
30th Aug 20253712 PMAQI
30th Aug 2025281 PMAQI
30th Aug 2025342 PMAQI
30th Aug 2025263 PMAQI
30th Aug 2025314 PMAQI
30th Aug 2025305 PMAQI
30th Aug 2025406 PMAQI
30th Aug 2025417 PMAQI
30th Aug 2025508 PMAQI
30th Aug 2025449 PMAQI
30th Aug 20255010 PMAQI
30th Aug 20254511 PMAQI
31st Aug 20254512 AMAQI
31st Aug 2025481 AMAQI
31st Aug 2025472 AMAQI
31st Aug 2025443 AMAQI
31st Aug 2025474 AMAQI
27°C24/31°C
31st Aug 2025445 AMAQI
31st Aug 2025456 AMAQI
31st Aug 2025337 AMAQI
31st Aug 2025428 AMAQI
31st Aug 2025329 AMAQI
31st Aug 20253110 AMAQI
31st Aug 20253111 AMAQI
31st Aug 20254012 PMAQI
31st Aug 2025371 PMAQI
31st Aug 2025362 PMAQI
31st Aug 2025363 PMAQI
31st Aug 2025304 PMAQI
31st Aug 2025365 PMAQI
31st Aug 2025406 PMAQI
31st Aug 2025447 PMAQI
31st Aug 2025448 PMAQI
31st Aug 2025449 PMAQI
31st Aug 20254510 PMAQI
31st Aug 20254411 PMAQI
1st Sep 20254112 AMAQI
1st Sep 2025451 AMAQI
1st Sep 2025472 AMAQI
1st Sep 2025453 AMAQI
1st Sep 2025464 AMAQI
27°C24/30°C
1st Sep 2025485 AMAQI
1st Sep 2025486 AMAQI
1st Sep 2025407 AMAQI
1st Sep 2025388 AMAQI
1st Sep 2025519 AMAQI
1st Sep 20254410 AMAQI
1st Sep 20254211 AMAQI
1st Sep 20253412 PMAQI
1st Sep 2025391 PMAQI
1st Sep 2025372 PMAQI
1st Sep 2025333 PMAQI
1st Sep 2025354 PMAQI
1st Sep 2025345 PMAQI
1st Sep 2025476 PMAQI
1st Sep 2025437 PMAQI
1st Sep 2025448 PMAQI
1st Sep 2025479 PMAQI
1st Sep 20254110 PMAQI
1st Sep 20254411 PMAQI
2nd Sep 20254312 AMAQI
2nd Sep 2025451 AMAQI
2nd Sep 2025442 AMAQI
2nd Sep 2025453 AMAQI
2nd Sep 2025454 AMAQI
27°C25/31°C
2nd Sep 2025465 AMAQI
2nd Sep 2025456 AMAQI
2nd Sep 2025387 AMAQI
2nd Sep 2025428 AMAQI
2nd Sep 2025389 AMAQI
2nd Sep 20252610 AMAQI
2nd Sep 20254411 AMAQI
2nd Sep 20254212 PMAQI
2nd Sep 2025351 PMAQI
2nd Sep 2025392 PMAQI
2nd Sep 2025343 PMAQI
2nd Sep 2025384 PMAQI
2nd Sep 2025325 PMAQI
2nd Sep 2025436 PMAQI
2nd Sep 2025477 PMAQI
2nd Sep 2025468 PMAQI
2nd Sep 2025499 PMAQI
2nd Sep 20254610 PMAQI
2nd Sep 20254311 PMAQI
3rd Sep 20254412 AMAQI
3rd Sep 2025481 AMAQI
3rd Sep 2025472 AMAQI
3rd Sep 2025443 AMAQI
3rd Sep 2025444 AMAQI
28°C25/33°C
3rd Sep 2025465 AMAQI
3rd Sep 2025446 AMAQI
3rd Sep 2025327 AMAQI
3rd Sep 2025488 AMAQI
3rd Sep 2025439 AMAQI
3rd Sep 20255010 AMAQI
3rd Sep 20253311 AMAQI
3rd Sep 20253612 PMAQI
3rd Sep 2025371 PMAQI
3rd Sep 2025422 PMAQI
3rd Sep 2025433 PMAQI
3rd Sep 2025424 PMAQI
3rd Sep 2025375 PMAQI
3rd Sep 2025316 PMAQI
3rd Sep 2025367 PMAQI
3rd Sep 2025388 PMAQI
3rd Sep 2025439 PMAQI
3rd Sep 20254210 PMAQI
3rd Sep 20254011 PMAQI
4th Sep 20254812 AMAQI
4th Sep 2025451 AMAQI
4th Sep 2025472 AMAQI
4th Sep 2025463 AMAQI
4th Sep 2025484 AMAQI
29°C25/34°C
4th Sep 2025465 AMAQI
4th Sep 2025466 AMAQI
4th Sep 2025347 AMAQI
4th Sep 2025468 AMAQI
4th Sep 2025369 AMAQI
4th Sep 20254210 AMAQI
4th Sep 20253811 AMAQI
4th Sep 20252812 PMAQI
4th Sep 2025361 PMAQI
4th Sep 2025302 PMAQI
4th Sep 2025443 PMAQI
4th Sep 2025484 PMAQI
4th Sep 2025535 PMAQI
4th Sep 2025476 PMAQI
4th Sep 2025527 PMAQI
4th Sep 2025528 PMAQI
4th Sep 2025499 PMAQI
4th Sep 20255310 PMAQI
4th Sep 20256311 PMAQI
5th Sep 20254312 AMAQI
5th Sep 2025451 AMAQI
5th Sep 2025452 AMAQI
5th Sep 2025443 AMAQI
5th Sep 2025454 AMAQI
29°C25/34°C
5th Sep 2025445 AMAQI
5th Sep 2025446 AMAQI
5th Sep 2025457 AMAQI
5th Sep 2025428 AMAQI
5th Sep 2025399 AMAQI
5th Sep 20253810 AMAQI
5th Sep 20253511 AMAQI
5th Sep 20253412 PMAQI
5th Sep 2025361 PMAQI
5th Sep 2025432 PMAQI
5th Sep 2025323 PMAQI
5th Sep 2025304 PMAQI
5th Sep 2025285 PMAQI
5th Sep 2025376 PMAQI
5th Sep 2025497 PMAQI
5th Sep 2025508 PMAQI
5th Sep 2025539 PMAQI
5th Sep 20254810 PMAQI
5th Sep 20255011 PMAQI
6th Sep 20255012 AMAQI
6th Sep 2025491 AMAQI
6th Sep 2025442 AMAQI
6th Sep 2025463 AMAQI
6th Sep 2025434 AMAQI
29°C25/33°C
6th Sep 2025445 AMAQI
6th Sep 2025436 AMAQI
6th Sep 2025217 AMAQI
6th Sep 2025378 AMAQI
6th Sep 2025359 AMAQI
6th Sep 20254610 AMAQI
6th Sep 20254811 AMAQI
6th Sep 20254412 PMAQI
6th Sep 2025431 PMAQI
6th Sep 2025382 PMAQI
6th Sep 2025343 PMAQI
6th Sep 2025344 PMAQI
6th Sep 2025275 PMAQI
6th Sep 2025376 PMAQI
6th Sep 2025387 PMAQI
6th Sep 2025498 PMAQI
6th Sep 2025469 PMAQI
6th Sep 20254410 PMAQI
6th Sep 20254211 PMAQI
7th Sep 20254212 AMAQI
7th Sep 2025441 AMAQI
7th Sep 2025442 AMAQI
7th Sep 2025443 AMAQI
7th Sep 2025464 AMAQI
29°C26/35°C
7th Sep 2025455 AMAQI
7th Sep 2025446 AMAQI
7th Sep 2025357 AMAQI
7th Sep 2025498 AMAQI
7th Sep 2025599 AMAQI
7th Sep 20256010 AMAQI
7th Sep 20255211 AMAQI
7th Sep 20256212 PMAQI
7th Sep 2025581 PMAQI
7th Sep 2025582 PMAQI
7th Sep 2025533 PMAQI
7th Sep 2025524 PMAQI
7th Sep 2025555 PMAQI
7th Sep 2025506 PMAQI
7th Sep 2025527 PMAQI
7th Sep 2025588 PMAQI
7th Sep 2025609 PMAQI
7th Sep 20256110 PMAQI
7th Sep 20256211 PMAQI
8th Sep 20255512 AMAQI
8th Sep 2025581 AMAQI
8th Sep 2025522 AMAQI
8th Sep 2025503 AMAQI
8th Sep 2025474 AMAQI
30°C26/35°C
8th Sep 2025455 AMAQI
8th Sep 2025486 AMAQI
8th Sep 2025607 AMAQI
8th Sep 2025648 AMAQI
8th Sep 2025599 AMAQI
8th Sep 20257010 AMAQI
8th Sep 20256111 AMAQI
8th Sep 20255812 PMAQI
8th Sep 2025591 PMAQI
8th Sep 2025542 PMAQI
8th Sep 2025553 PMAQI
8th Sep 2025544 PMAQI
8th Sep 2025525 PMAQI
8th Sep 2025506 PMAQI
8th Sep 2025537 PMAQI
8th Sep 2025588 PMAQI
8th Sep 2025609 PMAQI
8th Sep 20255810 PMAQI
8th Sep 20256411 PMAQI
9th Sep 20256012 AMAQI
9th Sep 2025521 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 2025427 AMAQI
9th Sep 2025478 AMAQI
9th Sep 2025539 AMAQI
9th Sep 20254110 AMAQI
9th Sep 20253611 AMAQI
9th Sep 20253812 PMAQI
9th Sep 2025291 PMAQI
9th Sep 2025302 PMAQI
9th Sep 2025283 PMAQI
9th Sep 2025284 PMAQI
9th Sep 2025385 PMAQI
9th Sep 2025416 PMAQI
9th Sep 2025447 PMAQI
9th Sep 2025488 PMAQI
9th Sep 2025469 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 2025517 AMAQI
10th Sep 2025388 AMAQI
10th Sep 2025549 AMAQI
10th Sep 20254910 AMAQI
10th Sep 20254611 AMAQI
10th Sep 20255312 PMAQI
10th Sep 2025451 PMAQI
10th Sep 2025522 PMAQI
10th Sep 2025533 PMAQI
10th Sep 2025524 PMAQI
10th Sep 2025515 PMAQI
10th Sep 2025556 PMAQI
10th Sep 2025487 PMAQI
10th Sep 2025568 PMAQI
10th Sep 2025579 PMAQI
10th Sep 20254910 PMAQI
10th Sep 20254611 PMAQI
11th Sep 20255212 AMAQI
11th Sep 2025491 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 2025307 AMAQI
11th Sep 2025268 AMAQI
11th Sep 2025299 AMAQI
11th Sep 20253810 AMAQI
11th Sep 20253711 AMAQI
11th Sep 20254412 PMAQI
11th Sep 2025321 PMAQI
11th Sep 2025392 PMAQI
11th Sep 2025303 PMAQI
11th Sep 2025444 PMAQI
11th Sep 2025435 PMAQI
11th Sep 2025496 PMAQI
11th Sep 2025547 PMAQI
11th Sep 2025488 PMAQI
11th Sep 2025489 PMAQI
11th Sep 20255010 PMAQI
11th Sep 20254511 PMAQI
12th Sep 20255012 AMAQI
12th Sep 2025501 AMAQI
12th Sep 2025502 AMAQI
12th Sep 2025493 AMAQI
12th Sep 2025504 AMAQI
28°C25/33°C
12th Sep 2025505 AMAQI
12th Sep 2025536 AMAQI
12th Sep 2025307 AMAQI
12th Sep 2025358 AMAQI
12th Sep 2025309 AMAQI
12th Sep 20253810 AMAQI
12th Sep 20253011 AMAQI
12th Sep 20253812 PMAQI
12th Sep 2025341 PMAQI
12th Sep 2025312 PMAQI
12th Sep 2025323 PMAQI
12th Sep 2025324 PMAQI
12th Sep 2025365 PMAQI
12th Sep 2025446 PMAQI
12th Sep 2025437 PMAQI
12th Sep 2025408 PMAQI
12th Sep 2025429 PMAQI
12th Sep 20254610 PMAQI
12th Sep 20254811 PMAQI
13th Sep 20255212 AMAQI
13th Sep 2025501 AMAQI
13th Sep 2025492 AMAQI
13th Sep 2025493 AMAQI
13th Sep 2025494 AMAQI
28°C25/32°C
13th Sep 2025485 AMAQI
13th Sep 2025486 AMAQI
13th Sep 2025327 AMAQI
13th Sep 2025268 AMAQI
13th Sep 2025349 AMAQI
13th Sep 20253710 AMAQI
13th Sep 20253811 AMAQI
13th Sep 20252812 PMAQI
13th Sep 2025341 PMAQI
13th Sep 2025382 PMAQI
13th Sep 2025213 PMAQI
13th Sep 2025384 PMAQI
13th Sep 2025215 PMAQI
13th Sep 2025366 PMAQI
13th Sep 2025417 PMAQI
13th Sep 2025458 PMAQI
13th Sep 2025449 PMAQI
13th Sep 20253810 PMAQI
13th Sep 20254111 PMAQI
14th Sep 20254712 AMAQI
14th Sep 2025481 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 2025317 AMAQI
14th Sep 2025288 AMAQI
14th Sep 2025289 AMAQI
14th Sep 20253410 AMAQI
14th Sep 20252811 AMAQI
14th Sep 20253712 PMAQI
14th Sep 2025381 PMAQI
14th Sep 2025352 PMAQI
14th Sep 2025433 PMAQI
14th Sep 2025384 PMAQI
14th Sep 2025325 PMAQI
14th Sep 2025366 PMAQI
14th Sep 2025437 PMAQI
14th Sep 2025538 PMAQI
14th Sep 2025469 PMAQI
14th Sep 20255210 PMAQI
14th Sep 20255011 PMAQI
15th Sep 20255312 AMAQI
15th Sep 2025491 AMAQI
15th Sep 2025462 AMAQI
15th Sep 2025423 AMAQI
15th Sep 2025434 AMAQI
28°C25/33°C
15th Sep 2025435 AMAQI
15th Sep 2025436 AMAQI
15th Sep 2025377 AMAQI
15th Sep 2025358 AMAQI
15th Sep 2025429 AMAQI
15th Sep 20254410 AMAQI
15th Sep 20254011 AMAQI
15th Sep 20254012 PMAQI
15th Sep 2025401 PMAQI
15th Sep 2025472 PMAQI
15th Sep 2025483 PMAQI
15th Sep 2025384 PMAQI
15th Sep 2025505 PMAQI
15th Sep 2025486 PMAQI
15th Sep 2025447 PMAQI
15th Sep 2025398 PMAQI
15th Sep 2025469 PMAQI
15th Sep 20255210 PMAQI
15th Sep 20254711 PMAQI
16th Sep 20254712 AMAQI
16th Sep 2025461 AMAQI
16th Sep 2025452 AMAQI
16th Sep 2025423 AMAQI
16th Sep 2025434 AMAQI
28°C25/31°C
16th Sep 2025455 AMAQI
16th Sep 2025446 AMAQI
16th Sep 2025537 AMAQI
16th Sep 2025618 AMAQI
16th Sep 2025559 AMAQI
16th Sep 20255210 AMAQI
16th Sep 20255811 AMAQI
16th Sep 20254712 PMAQI
16th Sep 2025471 PMAQI
16th Sep 2025382 PMAQI
16th Sep 2025453 PMAQI
16th Sep 2025504 PMAQI
16th Sep 2025485 PMAQI
16th Sep 2025496 PMAQI
16th Sep 2025497 PMAQI
16th Sep 2025528 PMAQI
16th Sep 2025509 PMAQI
16th Sep 20256010 PMAQI
16th Sep 20255511 PMAQI
17th Sep 20256112 AMAQI
17th Sep 2025471 AMAQI
17th Sep 2025482 AMAQI
17th Sep 2025473 AMAQI
17th Sep 2025484 AMAQI
28°C24/33°C
17th Sep 2025505 AMAQI
17th Sep 2025496 AMAQI
17th Sep 2025567 AMAQI
17th Sep 2025688 AMAQI
17th Sep 2025579 AMAQI
17th Sep 20255910 AMAQI
17th Sep 20255211 AMAQI
17th Sep 20253312 PMAQI
17th Sep 2025341 PMAQI
17th Sep 2025412 PMAQI
17th Sep 2025473 PMAQI
17th Sep 2025404 PMAQI
17th Sep 2025445 PMAQI
17th Sep 2025456 PMAQI
17th Sep 2025457 PMAQI
17th Sep 2025538 PMAQI
17th Sep 2025559 PMAQI
17th Sep 20255610 PMAQI
17th Sep 20255411 PMAQI
18th Sep 20255412 AMAQI
18th Sep 2025481 AMAQI
18th Sep 2025452 AMAQI
18th Sep 2025463 AMAQI
18th Sep 2025464 AMAQI
27°C25/31°C
18th Sep 2025505 AMAQI
18th Sep 2025526 AMAQI
18th Sep 2025617 AMAQI
18th Sep 2025628 AMAQI
18th Sep 2025659 AMAQI
18th Sep 20256110 AMAQI
18th Sep 20256011 AMAQI
18th Sep 20255812 PMAQI
18th Sep 2025551 PMAQI
18th Sep 2025562 PMAQI
18th Sep 2025463 PMAQI
18th Sep 2025424 PMAQI
18th Sep 2025375 PMAQI
18th Sep 2025366 PMAQI
18th Sep 2025447 PMAQI
18th Sep 2025508 PMAQI
18th Sep 2025529 PMAQI
18th Sep 20255710 PMAQI
18th Sep 20255711 PMAQI
19th Sep 20255612 AMAQI
19th Sep 2025501 AMAQI
19th Sep 2025492 AMAQI
19th Sep 2025513 AMAQI
19th Sep 2025514 AMAQI
27°C25/30°C
19th Sep 2025525 AMAQI
19th Sep 2025546 AMAQI
19th Sep 2025697 AMAQI
19th Sep 2025738 AMAQI
19th Sep 2025749 AMAQI
19th Sep 20257010 AMAQI
19th Sep 20256511 AMAQI
19th Sep 20256612 PMAQI
19th Sep 2025581 PMAQI
19th Sep 2025562 PMAQI
19th Sep 2025483 PMAQI
19th Sep 2025434 PMAQI
19th Sep 2025375 PMAQI
19th Sep 2025416 PMAQI
19th Sep 2025427 PMAQI
19th Sep 2025448 PMAQI
19th Sep 2025489 PMAQI
19th Sep 20255010 PMAQI
19th Sep 20254811 PMAQI
20th Sep 20255112 AMAQI
20th Sep 2025511 AMAQI
20th Sep 2025522 AMAQI
20th Sep 2025533 AMAQI
20th Sep 2025544 AMAQI
28°C25/33°C
20th Sep 2025545 AMAQI
20th Sep 2025576 AMAQI
20th Sep 2025647 AMAQI
20th Sep 2025738 AMAQI
20th Sep 2025769 AMAQI
20th Sep 20258010 AMAQI
20th Sep 20256511 AMAQI
20th Sep 20256412 PMAQI
20th Sep 2025621 PMAQI
20th Sep 2025642 PMAQI
20th Sep 2025623 PMAQI
20th Sep 2025614 PMAQI
20th Sep 2025585 PMAQI
20th Sep 2025566 PMAQI
20th Sep 2025547 PMAQI
20th Sep 2025588 PMAQI
20th Sep 2025689 PMAQI
20th Sep 20257110 PMAQI
20th Sep 20256611 PMAQI
21st Sep 20256512 AMAQI
21st Sep 2025581 AMAQI
21st Sep 2025542 AMAQI
21st Sep 2025613 AMAQI
21st Sep 2025604 AMAQI
29°C25/35°C
21st Sep 2025615 AMAQI
21st Sep 2025606 AMAQI
21st Sep 2025787 AMAQI
21st Sep 2025848 AMAQI
21st Sep 2025859 AMAQI
21st Sep 20259410 AMAQI
21st Sep 20257811 AMAQI
21st Sep 20257612 PMAQI
21st Sep 2025761 PMAQI
21st Sep 2025842 PMAQI
21st Sep 2025763 PMAQI
21st Sep 2025714 PMAQI
21st Sep 2025645 PMAQI
21st Sep 2025666 PMAQI
21st Sep 2025647 PMAQI
21st Sep 2025628 PMAQI
21st Sep 2025679 PMAQI
21st Sep 20256610 PMAQI
21st Sep 20256411 PMAQI
22nd Sep 20256212 AMAQI
22nd Sep 2025581 AMAQI
22nd Sep 2025562 AMAQI
22nd Sep 2025613 AMAQI
22nd Sep 2025594 AMAQI
29°C26/35°C
22nd Sep 2025605 AMAQI
5 AM22nd Sep 2025686 AMAQI
22nd Sep 2025617 AMAQI
22nd Sep 2025588 AMAQI
22nd Sep 2025549 AMAQI
22nd Sep 20255310 AMAQI
22nd Sep 20255211 AMAQI
11 AM22nd Sep 20255212 PMAQI
22nd Sep 2025511 PMAQI
22nd Sep 2025532 PMAQI
22nd Sep 2025543 PMAQI
6 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 6 AM
48AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
3 PM - 5 PM
41AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 6 AM (Avg. 48), while the lowest AQI was between 3 PM to 5 PM (Avg. 41).
Night time
Avg. Highest Time
8 PM - 11 PM
49AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM
45AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 11 PM (Avg. 49), while the lowest AQI was between 7 PM to 7 PM (Avg. 45).
2025 Days Vs Air Quality
Dam Trau phuong Bach Dang, Hanoi, Ha Noi, Vietnam
2025
14%
37
61%
162
21%
56
3%
9
Total number of days with different AQI categories in last 265 days in 2025 (100 days remaining)
Good
37 DaysModerate
162 DaysPoor
56 DaysUnhealthy
9 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 14%
Health Risk Level:
Extreme
In 2025, 14% of 265 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
Dam Trau phuong Bach Dang, 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
148AQI
148AQI
2nd January 2025
192AQI
192AQI
3rd January 2025
148AQI
148AQI
4th January 2025
107AQI
107AQI
5th January 2025
113AQI
113AQI
6th January 2025
119AQI
119AQI
7th January 2025
136AQI
136AQI
8th January 2025
128AQI
128AQI
9th January 2025
146AQI
146AQI
10th January 2025
101AQI
101AQI
11th January 2025
108AQI
108AQI
12th January 2025
123AQI
123AQI
13th January 2025
143AQI
143AQI
14th January 2025
148AQI
148AQI
15th January 2025
151AQI
151AQI
16th January 2025
148AQI
148AQI
17th January 2025
154AQI
154AQI
18th January 2025
169AQI
169AQI
19th January 2025
165AQI
165AQI
20th January 2025
181AQI
181AQI
21st January 2025
166AQI
166AQI
22nd January 2025
163AQI
163AQI
23rd January 2025
140AQI
140AQI
24th January 2025
139AQI
139AQI
25th January 2025
108AQI
108AQI
26th January 2025
75AQI
75AQI
27th January 2025
92AQI
92AQI
28th January 2025
83AQI
83AQI
29th January 2025
122AQI
122AQI
30th January 2025
112AQI
112AQI
31st January 2025
94AQI
94AQI
1st February 2025
83AQI
83AQI
2nd February 2025
68AQI
68AQI
3rd February 2025
59AQI
59AQI
4th February 2025
71AQI
71AQI
5th February 2025
100AQI
100AQI
6th February 2025
103AQI
103AQI
7th February 2025
56AQI
56AQI
8th February 2025
68AQI
68AQI
9th February 2025
88AQI
88AQI
10th February 2025
139AQI
139AQI
11th February 2025
149AQI
149AQI
12th February 2025
162AQI
162AQI
13th February 2025
138AQI
138AQI
14th February 2025
138AQI
138AQI
15th February 2025
141AQI
141AQI
16th February 2025
78AQI
78AQI
17th February 2025
113AQI
113AQI
18th February 2025
67AQI
67AQI
19th February 2025
91AQI
91AQI
20th February 2025
135AQI
135AQI
21st February 2025
112AQI
112AQI
22nd February 2025
137AQI
137AQI
23rd February 2025
69AQI
69AQI
24th February 2025
78AQI
78AQI
25th February 2025
95AQI
95AQI
26th February 2025
86AQI
86AQI
27th February 2025
140AQI
140AQI
28th February 2025
105AQI
105AQI
1st March 2025
110AQI
110AQI
2nd March 2025
84AQI
84AQI
3rd March 2025
91AQI
91AQI
4th March 2025
89AQI
89AQI
5th March 2025
92AQI
92AQI
6th March 2025
62AQI
62AQI
7th March 2025
72AQI
72AQI
8th March 2025
93AQI
93AQI
9th March 2025
130AQI
130AQI
10th March 2025
139AQI
139AQI
11th March 2025
120AQI
120AQI
12th March 2025
90AQI
90AQI
13th March 2025
79AQI
79AQI
14th March 2025
83AQI
83AQI
15th March 2025
80AQI
80AQI
16th March 2025
57AQI
57AQI
17th March 2025
79AQI
79AQI
18th March 2025
80AQI
80AQI
19th March 2025
80AQI
80AQI
20th March 2025
88AQI
88AQI
21st March 2025
122AQI
122AQI
22nd March 2025
121AQI
121AQI
23rd March 2025
127AQI
127AQI
24th March 2025
132AQI
132AQI
25th March 2025
134AQI
134AQI
26th March 2025
108AQI
108AQI
27th March 2025
104AQI
104AQI
28th March 2025
107AQI
107AQI
29th March 2025
85AQI
85AQI
30th March 2025
67AQI
67AQI
31st March 2025
75AQI
75AQI
1st April 2025
100AQI
100AQI
2nd April 2025
132AQI
132AQI
3rd April 2025
115AQI
115AQI
4th April 2025
143AQI
143AQI
5th April 2025
120AQI
120AQI
6th April 2025
135AQI
135AQI
7th April 2025
124AQI
124AQI
8th April 2025
120AQI
120AQI
9th April 2025
96AQI
96AQI
10th April 2025
99AQI
99AQI
11th April 2025
99AQI
99AQI
12th April 2025
107AQI
107AQI
13th April 2025
92AQI
92AQI
14th April 2025
100AQI
100AQI
15th April 2025
106AQI
106AQI
16th April 2025
109AQI
109AQI
17th April 2025
101AQI
101AQI
18th April 2025
106AQI
106AQI
19th April 2025
99AQI
99AQI
20th April 2025
88AQI
88AQI
21st April 2025
87AQI
87AQI
22nd April 2025
97AQI
97AQI
23rd April 2025
101AQI
101AQI
24th April 2025
90AQI
90AQI
25th April 2025
84AQI
84AQI
26th April 2025
84AQI
84AQI
27th April 2025
72AQI
72AQI
28th April 2025
68AQI
68AQI
29th April 2025
80AQI
80AQI
30th April 2025
76AQI
76AQI
1st May 2025
65AQI
65AQI
2nd May 2025
87AQI
87AQI
3rd May 2025
82AQI
82AQI
4th May 2025
79AQI
79AQI
5th May 2025
82AQI
82AQI
6th May 2025
77AQI
77AQI
7th May 2025
79AQI
79AQI
8th May 2025
81AQI
81AQI
9th May 2025
82AQI
82AQI
10th May 2025
83AQI
83AQI
11th May 2025
56AQI
56AQI
12th May 2025
72AQI
72AQI
13th May 2025
69AQI
69AQI
14th May 2025
67AQI
67AQI
15th May 2025
61AQI
61AQI
16th May 2025
61AQI
61AQI
17th May 2025
57AQI
57AQI
18th May 2025
56AQI
56AQI
19th May 2025
59AQI
59AQI
20th May 2025
59AQI
59AQI
21st May 2025
58AQI
58AQI
22nd May 2025
57AQI
57AQI
23rd May 2025
55AQI
55AQI
24th May 2025
55AQI
55AQI
25th May 2025
56AQI
56AQI
26th May 2025
60AQI
60AQI
27th May 2025
82AQI
82AQI
28th May 2025
78AQI
78AQI
29th May 2025
61AQI
61AQI
30th May 2025
59AQI
59AQI
31st May 2025
59AQI
59AQI
1st June 2025
53AQI
53AQI
2nd June 2025
54AQI
54AQI
3rd June 2025
54AQI
54AQI
4th June 2025
61AQI
61AQI
5th June 2025
73AQI
73AQI
6th June 2025
61AQI
61AQI
7th June 2025
60AQI
60AQI
8th June 2025
60AQI
60AQI
9th June 2025
66AQI
66AQI
10th June 2025
59AQI
59AQI
11th June 2025
64AQI
64AQI
12th June 2025
63AQI
63AQI
13th June 2025
54AQI
54AQI
14th June 2025
64AQI
64AQI
15th June 2025
67AQI
67AQI
16th June 2025
66AQI
66AQI
17th June 2025
65AQI
65AQI
18th June 2025
59AQI
59AQI
19th June 2025
66AQI
66AQI
20th June 2025
67AQI
67AQI
21st June 2025
62AQI
62AQI
22nd June 2025
63AQI
63AQI
23rd June 2025
64AQI
64AQI
24th June 2025
63AQI
63AQI
25th June 2025
55AQI
55AQI
26th June 2025
57AQI
57AQI
27th June 2025
62AQI
62AQI
28th June 2025
55AQI
55AQI
29th June 2025
55AQI
55AQI
30th June 2025
54AQI
54AQI
1st July 2025
46AQI
46AQI
2nd July 2025
48AQI
48AQI
3rd July 2025
57AQI
57AQI
4th July 2025
61AQI
61AQI
5th July 2025
63AQI
63AQI
6th July 2025
58AQI
58AQI
7th July 2025
66AQI
66AQI
8th July 2025
64AQI
64AQI
9th July 2025
69AQI
69AQI
10th July 2025
56AQI
56AQI
11th July 2025
56AQI
56AQI
12th July 2025
55AQI
55AQI
13th July 2025
57AQI
57AQI
14th July 2025
72AQI
72AQI
15th July 2025
87AQI
87AQI
16th July 2025
60AQI
60AQI
17th July 2025
60AQI
60AQI
18th July 2025
62AQI
62AQI
19th July 2025
77AQI
77AQI
20th July 2025
61AQI
61AQI
21st July 2025
57AQI
57AQI
22nd July 2025
40AQI
40AQI
23rd July 2025
47AQI
47AQI
24th July 2025
45AQI
45AQI
25th July 2025
60AQI
60AQI
26th July 2025
63AQI
63AQI
27th July 2025
60AQI
60AQI
28th July 2025
67AQI
67AQI
29th July 2025
77AQI
77AQI
30th July 2025
72AQI
72AQI
31st July 2025
62AQI
62AQI
1st August 2025
54AQI
54AQI
2nd August 2025
55AQI
55AQI
3rd August 2025
57AQI
57AQI
4th August 2025
56AQI
56AQI
5th August 2025
55AQI
55AQI
6th August 2025
53AQI
53AQI
7th August 2025
58AQI
58AQI
8th August 2025
56AQI
56AQI
9th August 2025
55AQI
55AQI
10th August 2025
55AQI
55AQI
11th August 2025
54AQI
54AQI
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
40AQI
40AQI
19th August 2025
42AQI
42AQI
20th August 2025
45AQI
45AQI
21st August 2025
48AQI
48AQI
22nd August 2025
45AQI
45AQI
23rd August 2025
47AQI
47AQI
24th August 2025
46AQI
46AQI
25th August 2025
37AQI
37AQI
26th August 2025
34AQI
34AQI
27th August 2025
41AQI
41AQI
28th August 2025
45AQI
45AQI
29th August 2025
46AQI
46AQI
30th August 2025
41AQI
41AQI
31st August 2025
41AQI
41AQI
1st September 2025
43AQI
43AQI
2nd September 2025
42AQI
42AQI
3rd September 2025
41AQI
41AQI
4th September 2025
47AQI
47AQI
5th September 2025
42AQI
42AQI
6th September 2025
42AQI
42AQI
7th September 2025
52AQI
52AQI
8th September 2025
56AQI
56AQI
9th September 2025
46AQI
46AQI
10th September 2025
51AQI
51AQI
11th September 2025
44AQI
44AQI
12th September 2025
42AQI
42AQI
13th September 2025
40AQI
40AQI
14th September 2025
41AQI
41AQI
15th September 2025
44AQI
44AQI
16th September 2025
49AQI
49AQI
17th September 2025
50AQI
50AQI
18th September 2025
51AQI
51AQI
19th September 2025
53AQI
53AQI
20th September 2025
61AQI
61AQI
21st September 2025
67AQI
67AQI
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
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
133AQI
102AQI
96AQI
101AQI
68AQI
61AQI
61AQI
48AQI
48AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202581AQI
4
19
8
15
12
1
19
12
17
13
31
30
5
26
18
13
14
7
37
162
56
9
Highest AQI recorded in
January133AQI
Lowest AQI recorded in
September48AQI
202468AQI
11
5
2
10
30
8
23
27
2
5
15
6
3
7
11
9
4
1
27
2
18
11
2
61
141
28
9
Highest AQI recorded in
December100AQI
Lowest AQI recorded in
January33AQI
202353AQI
2
1
12
18
1
14
19
1
Highest AQI recorded in
December54AQI
Lowest AQI recorded in
November48AQI
20217AQI
2
2
4
Highest AQI recorded in
April10AQI
Lowest AQI recorded in
May4AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2025(Avg.)
81AQILeast Polluted Year Recorded
2021(Avg.)
7AQIDam Trau phuong Bach Dang's annual 2025 AQI (81) shows an average percentage change of 374.3% (worsened AQI) compared to previous years: 2021 (7), 2023 (53), 2024 (68).
