Haiphong, Hai Phong, 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
Haiphong, Hai Phong, Vietnam
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Oct 2024
145AQILowest AQI recorded on
19th Oct 2021
3AQISame Day Analysis (4th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 88 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Haiphong, Hai Phong, Vietnam
AQI
Day
Night
.
5 AM4th Oct 2025
5 PM
4 AM5th Oct 2025
Day time
Avg. Highest Time
8AM4th Oct
99AQI
Avg. Lowest Time
10AM4th Oct
69AQI
Night time
Avg. Highest Time
9PM4th Oct
102AQI
Avg. Lowest Time
6PM4th Oct
85AQI
In the last 24 hours,
Haiphong's AQI reached its highest point of 102 at 9 PM during the Night, while the lowest point, 69, was recorded at 10 AM during the Day between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Haiphong, Hai Phong, Vietnam
SepOct
05th - 06th06th - 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
Day
Night
5th Sep 2025415 AMAQI
5th Sep 2025446 AMAQI
5th Sep 2025417 AMAQI
5th Sep 2025388 AMAQI
5th Sep 2025369 AMAQI
5th Sep 20253910 AMAQI
5th Sep 20253311 AMAQI
5th Sep 20253312 PMAQI
5th Sep 2025331 PMAQI
5th Sep 2025352 PMAQI
5th Sep 2025323 PMAQI
5th Sep 2025304 PMAQI
5th Sep 2025295 PMAQI
5th Sep 2025386 PMAQI
5th Sep 2025477 PMAQI
5th Sep 2025468 PMAQI
5th Sep 2025469 PMAQI
5th Sep 20254610 PMAQI
5th Sep 20254711 PMAQI
6th Sep 20254312 AMAQI
6th Sep 2025441 AMAQI
6th Sep 2025442 AMAQI
6th Sep 2025423 AMAQI
6th Sep 2025434 AMAQI
29°C26/33°C
6th Sep 2025445 AMAQI
6th Sep 2025436 AMAQI
6th Sep 2025267 AMAQI
6th Sep 2025318 AMAQI
6th Sep 2025329 AMAQI
6th Sep 20253710 AMAQI
6th Sep 20253511 AMAQI
6th Sep 20253512 PMAQI
6th Sep 2025341 PMAQI
6th Sep 2025392 PMAQI
6th Sep 2025313 PMAQI
6th Sep 2025314 PMAQI
6th Sep 2025285 PMAQI
6th Sep 2025356 PMAQI
6th Sep 2025407 PMAQI
6th Sep 2025468 PMAQI
6th Sep 2025459 PMAQI
6th Sep 20254410 PMAQI
6th Sep 20254311 PMAQI
7th Sep 20254212 AMAQI
7th Sep 2025441 AMAQI
7th Sep 2025432 AMAQI
7th Sep 2025433 AMAQI
7th Sep 2025434 AMAQI
29°C26/33°C
7th Sep 2025455 AMAQI
7th Sep 2025446 AMAQI
7th Sep 2025347 AMAQI
7th Sep 2025478 AMAQI
7th Sep 2025569 AMAQI
7th Sep 20255610 AMAQI
7th Sep 20254911 AMAQI
7th Sep 20255512 PMAQI
7th Sep 2025561 PMAQI
7th Sep 2025532 PMAQI
7th Sep 2025523 PMAQI
7th Sep 2025484 PMAQI
7th Sep 2025505 PMAQI
7th Sep 2025476 PMAQI
7th Sep 2025507 PMAQI
7th Sep 2025568 PMAQI
7th Sep 2025599 PMAQI
7th Sep 20256010 PMAQI
7th Sep 20255811 PMAQI
8th Sep 20255312 AMAQI
8th Sep 2025571 AMAQI
8th Sep 2025512 AMAQI
8th Sep 2025483 AMAQI
8th Sep 2025474 AMAQI
29°C25/34°C
8th Sep 2025455 AMAQI
8th Sep 2025486 AMAQI
8th Sep 2025607 AMAQI
8th Sep 2025658 AMAQI
8th Sep 2025629 AMAQI
8th Sep 20256610 AMAQI
8th Sep 20255811 AMAQI
8th Sep 20256412 PMAQI
8th Sep 2025541 PMAQI
8th Sep 2025492 PMAQI
8th Sep 2025513 PMAQI
8th Sep 2025544 PMAQI
8th Sep 2025515 PMAQI
8th Sep 2025516 PMAQI
8th Sep 2025537 PMAQI
8th Sep 2025588 PMAQI
8th Sep 2025599 PMAQI
8th Sep 20255710 PMAQI
8th Sep 20256111 PMAQI
9th Sep 20255612 AMAQI
9th Sep 2025531 AMAQI
9th Sep 2025532 AMAQI
9th Sep 2025533 AMAQI
9th Sep 2025524 AMAQI
29°C26/35°C
9th Sep 2025545 AMAQI
9th Sep 2025546 AMAQI
9th Sep 2025407 AMAQI
9th Sep 2025418 AMAQI
9th Sep 2025499 AMAQI
9th Sep 20254210 AMAQI
9th Sep 20252911 AMAQI
9th Sep 20254112 PMAQI
9th Sep 2025281 PMAQI
9th Sep 2025282 PMAQI
9th Sep 2025263 PMAQI
9th Sep 2025284 PMAQI
9th Sep 2025375 PMAQI
9th Sep 2025426 PMAQI
9th Sep 2025467 PMAQI
9th Sep 2025478 PMAQI
9th Sep 2025499 PMAQI
9th Sep 20254910 PMAQI
9th Sep 20255211 PMAQI
10th Sep 20255312 AMAQI
10th Sep 2025541 AMAQI
10th Sep 2025522 AMAQI
10th Sep 2025513 AMAQI
10th Sep 2025514 AMAQI
28°C27/32°C
10th Sep 2025525 AMAQI
10th Sep 2025516 AMAQI
10th Sep 2025427 AMAQI
10th Sep 2025388 AMAQI
10th Sep 2025379 AMAQI
10th Sep 20254310 AMAQI
10th Sep 20254011 AMAQI
10th Sep 20254712 PMAQI
10th Sep 2025441 PMAQI
10th Sep 2025492 PMAQI
10th Sep 2025483 PMAQI
10th Sep 2025484 PMAQI
10th Sep 2025535 PMAQI
10th Sep 2025536 PMAQI
10th Sep 2025497 PMAQI
10th Sep 2025568 PMAQI
10th Sep 2025559 PMAQI
10th Sep 20254810 PMAQI
10th Sep 20254611 PMAQI
11th Sep 20255212 AMAQI
11th Sep 2025491 AMAQI
11th Sep 2025502 AMAQI
11th Sep 2025503 AMAQI
11th Sep 2025514 AMAQI
28°C26/31°C
11th Sep 2025525 AMAQI
11th Sep 2025526 AMAQI
11th Sep 2025287 AMAQI
11th Sep 2025328 AMAQI
11th Sep 2025269 AMAQI
11th Sep 20253110 AMAQI
11th Sep 20253411 AMAQI
11th Sep 20253812 PMAQI
11th Sep 2025321 PMAQI
11th Sep 2025362 PMAQI
11th Sep 2025303 PMAQI
11th Sep 2025344 PMAQI
11th Sep 2025365 PMAQI
11th Sep 2025406 PMAQI
11th Sep 2025457 PMAQI
11th Sep 2025438 PMAQI
11th Sep 2025469 PMAQI
11th Sep 20254310 PMAQI
11th Sep 20254311 PMAQI
12th Sep 20254812 AMAQI
12th Sep 2025501 AMAQI
12th Sep 2025502 AMAQI
12th Sep 2025483 AMAQI
12th Sep 2025504 AMAQI
28°C26/30°C
12th Sep 2025505 AMAQI
12th Sep 2025526 AMAQI
12th Sep 2025327 AMAQI
12th Sep 2025328 AMAQI
12th Sep 2025299 AMAQI
12th Sep 20253810 AMAQI
12th Sep 20253211 AMAQI
12th Sep 20253212 PMAQI
12th Sep 2025311 PMAQI
12th Sep 2025292 PMAQI
12th Sep 2025253 PMAQI
12th Sep 2025274 PMAQI
12th Sep 2025335 PMAQI
12th Sep 2025406 PMAQI
12th Sep 2025417 PMAQI
12th Sep 2025428 PMAQI
12th Sep 2025379 PMAQI
12th Sep 20254110 PMAQI
12th Sep 20254711 PMAQI
13th Sep 20254912 AMAQI
13th Sep 2025491 AMAQI
13th Sep 2025482 AMAQI
13th Sep 2025483 AMAQI
13th Sep 2025484 AMAQI
28°C26/31°C
13th Sep 2025475 AMAQI
13th Sep 2025476 AMAQI
13th Sep 2025307 AMAQI
13th Sep 2025328 AMAQI
13th Sep 2025319 AMAQI
13th Sep 20253510 AMAQI
13th Sep 20253211 AMAQI
13th Sep 20252912 PMAQI
13th Sep 2025271 PMAQI
13th Sep 2025292 PMAQI
13th Sep 2025213 PMAQI
13th Sep 2025214 PMAQI
13th Sep 2025225 PMAQI
13th Sep 2025386 PMAQI
13th Sep 2025387 PMAQI
13th Sep 2025428 PMAQI
13th Sep 2025439 PMAQI
13th Sep 20253810 PMAQI
13th Sep 20253711 PMAQI
14th Sep 20254412 AMAQI
14th Sep 2025461 AMAQI
14th Sep 2025442 AMAQI
14th Sep 2025423 AMAQI
14th Sep 2025424 AMAQI
28°C25/32°C
14th Sep 2025425 AMAQI
14th Sep 2025436 AMAQI
14th Sep 2025317 AMAQI
14th Sep 2025288 AMAQI
14th Sep 2025309 AMAQI
14th Sep 20253310 AMAQI
14th Sep 20252911 AMAQI
14th Sep 20252612 PMAQI
14th Sep 2025421 PMAQI
14th Sep 2025352 PMAQI
14th Sep 2025323 PMAQI
14th Sep 2025324 PMAQI
14th Sep 2025265 PMAQI
14th Sep 2025346 PMAQI
14th Sep 2025437 PMAQI
14th Sep 2025508 PMAQI
14th Sep 2025489 PMAQI
14th Sep 20254510 PMAQI
14th Sep 20254911 PMAQI
15th Sep 20255012 AMAQI
15th Sep 2025471 AMAQI
15th Sep 2025442 AMAQI
15th Sep 2025413 AMAQI
15th Sep 2025424 AMAQI
28°C25/32°C
15th Sep 2025435 AMAQI
15th Sep 2025426 AMAQI
15th Sep 2025347 AMAQI
15th Sep 2025388 AMAQI
15th Sep 2025409 AMAQI
15th Sep 20254010 AMAQI
15th Sep 20253511 AMAQI
15th Sep 20253712 PMAQI
15th Sep 2025301 PMAQI
15th Sep 2025392 PMAQI
15th Sep 2025293 PMAQI
15th Sep 2025304 PMAQI
15th Sep 2025295 PMAQI
15th Sep 2025346 PMAQI
15th Sep 2025377 PMAQI
15th Sep 2025378 PMAQI
15th Sep 2025379 PMAQI
15th Sep 20255010 PMAQI
15th Sep 20253611 PMAQI
16th Sep 20254112 AMAQI
16th Sep 2025451 AMAQI
16th Sep 2025422 AMAQI
16th Sep 2025423 AMAQI
16th Sep 2025424 AMAQI
28°C25/31°C
16th Sep 2025425 AMAQI
16th Sep 2025436 AMAQI
16th Sep 2025397 AMAQI
16th Sep 2025498 AMAQI
16th Sep 2025419 AMAQI
16th Sep 20253210 AMAQI
16th Sep 20254011 AMAQI
16th Sep 20254012 PMAQI
16th Sep 2025381 PMAQI
16th Sep 2025382 PMAQI
16th Sep 2025413 PMAQI
16th Sep 2025444 PMAQI
16th Sep 2025405 PMAQI
16th Sep 2025386 PMAQI
16th Sep 2025447 PMAQI
16th Sep 2025378 PMAQI
16th Sep 2025419 PMAQI
16th Sep 20254210 PMAQI
16th Sep 20254211 PMAQI
17th Sep 20254012 AMAQI
17th Sep 2025361 AMAQI
17th Sep 2025432 AMAQI
17th Sep 2025433 AMAQI
17th Sep 2025444 AMAQI
28°C25/32°C
17th Sep 2025455 AMAQI
17th Sep 2025426 AMAQI
17th Sep 2025497 AMAQI
17th Sep 2025548 AMAQI
17th Sep 2025489 AMAQI
17th Sep 20253810 AMAQI
17th Sep 20254111 AMAQI
17th Sep 20253512 PMAQI
17th Sep 2025291 PMAQI
17th Sep 2025382 PMAQI
17th Sep 2025353 PMAQI
17th Sep 2025374 PMAQI
17th Sep 2025385 PMAQI
17th Sep 2025386 PMAQI
17th Sep 2025367 PMAQI
17th Sep 2025388 PMAQI
17th Sep 2025429 PMAQI
17th Sep 20253810 PMAQI
17th Sep 20253711 PMAQI
18th Sep 20253212 AMAQI
18th Sep 2025381 AMAQI
18th Sep 2025422 AMAQI
18th Sep 2025403 AMAQI
18th Sep 2025394 AMAQI
26°C25/28°C
18th Sep 2025395 AMAQI
18th Sep 2025406 AMAQI
18th Sep 2025397 AMAQI
18th Sep 2025468 AMAQI
18th Sep 2025469 AMAQI
18th Sep 20254510 AMAQI
18th Sep 20253911 AMAQI
18th Sep 20253712 PMAQI
18th Sep 2025321 PMAQI
18th Sep 2025342 PMAQI
18th Sep 2025303 PMAQI
18th Sep 2025274 PMAQI
18th Sep 2025285 PMAQI
18th Sep 2025326 PMAQI
18th Sep 2025327 PMAQI
18th Sep 2025338 PMAQI
18th Sep 2025339 PMAQI
18th Sep 20253510 PMAQI
18th Sep 20253411 PMAQI
19th Sep 20254012 AMAQI
19th Sep 2025361 AMAQI
19th Sep 2025382 AMAQI
19th Sep 2025413 AMAQI
19th Sep 2025424 AMAQI
26°C24/29°C
19th Sep 2025415 AMAQI
19th Sep 2025416 AMAQI
19th Sep 2025467 AMAQI
19th Sep 2025488 AMAQI
19th Sep 2025549 AMAQI
19th Sep 20255110 AMAQI
19th Sep 20254411 AMAQI
19th Sep 20254212 PMAQI
19th Sep 2025371 PMAQI
19th Sep 2025332 PMAQI
19th Sep 2025313 PMAQI
19th Sep 2025294 PMAQI
19th Sep 2025295 PMAQI
19th Sep 2025346 PMAQI
19th Sep 2025397 PMAQI
19th Sep 2025418 PMAQI
19th Sep 2025429 PMAQI
19th Sep 20254310 PMAQI
19th Sep 20254511 PMAQI
20th Sep 20253512 AMAQI
20th Sep 2025321 AMAQI
20th Sep 2025342 AMAQI
20th Sep 2025433 AMAQI
20th Sep 2025424 AMAQI
28°C25/33°C
20th Sep 2025445 AMAQI
20th Sep 2025426 AMAQI
20th Sep 2025507 AMAQI
20th Sep 2025568 AMAQI
20th Sep 2025599 AMAQI
20th Sep 20255510 AMAQI
20th Sep 20255411 AMAQI
20th Sep 20255212 PMAQI
20th Sep 2025471 PMAQI
20th Sep 2025552 PMAQI
20th Sep 2025533 PMAQI
20th Sep 2025544 PMAQI
20th Sep 2025555 PMAQI
20th Sep 2025566 PMAQI
20th Sep 2025567 PMAQI
20th Sep 2025588 PMAQI
20th Sep 2025629 PMAQI
20th Sep 20256310 PMAQI
20th Sep 20256411 PMAQI
21st Sep 20255712 AMAQI
21st Sep 2025511 AMAQI
21st Sep 2025492 AMAQI
21st Sep 2025533 AMAQI
21st Sep 2025534 AMAQI
29°C25/34°C
21st Sep 2025535 AMAQI
21st Sep 2025536 AMAQI
21st Sep 2025607 AMAQI
21st Sep 2025648 AMAQI
21st Sep 2025629 AMAQI
21st Sep 20256210 AMAQI
21st Sep 20255111 AMAQI
21st Sep 20255312 PMAQI
21st Sep 2025561 PMAQI
21st Sep 2025542 PMAQI
21st Sep 2025513 PMAQI
21st Sep 2025504 PMAQI
21st Sep 2025485 PMAQI
21st Sep 2025536 PMAQI
21st Sep 2025557 PMAQI
21st Sep 2025558 PMAQI
21st Sep 2025569 PMAQI
21st Sep 20255610 PMAQI
21st Sep 20255611 PMAQI
22nd Sep 20255712 AMAQI
22nd Sep 2025551 AMAQI
22nd Sep 2025552 AMAQI
22nd Sep 2025553 AMAQI
22nd Sep 2025554 AMAQI
29°C25/33°C
22nd Sep 2025555 AMAQI
22nd Sep 2025566 AMAQI
22nd Sep 2025507 AMAQI
22nd Sep 2025478 AMAQI
22nd Sep 2025439 AMAQI
22nd Sep 20254210 AMAQI
22nd Sep 20253911 AMAQI
22nd Sep 20253712 PMAQI
22nd Sep 2025401 PMAQI
22nd Sep 2025432 PMAQI
22nd Sep 2025453 PMAQI
22nd Sep 2025384 PMAQI
22nd Sep 2025365 PMAQI
22nd Sep 2025416 PMAQI
22nd Sep 2025467 PMAQI
22nd Sep 2025498 PMAQI
22nd Sep 2025529 PMAQI
22nd Sep 20255310 PMAQI
22nd Sep 20255511 PMAQI
23rd Sep 20255612 AMAQI
23rd Sep 2025561 AMAQI
23rd Sep 2025552 AMAQI
23rd Sep 2025543 AMAQI
23rd Sep 2025544 AMAQI
27°C25/31°C
23rd Sep 2025545 AMAQI
23rd Sep 2025546 AMAQI
23rd Sep 2025547 AMAQI
23rd Sep 2025548 AMAQI
23rd Sep 2025539 AMAQI
23rd Sep 20255110 AMAQI
23rd Sep 20254811 AMAQI
23rd Sep 20254512 PMAQI
23rd Sep 2025491 PMAQI
23rd Sep 2025432 PMAQI
23rd Sep 2025443 PMAQI
23rd Sep 2025484 PMAQI
23rd Sep 2025465 PMAQI
23rd Sep 2025526 PMAQI
23rd Sep 2025577 PMAQI
23rd Sep 2025568 PMAQI
23rd Sep 2025579 PMAQI
23rd Sep 20255710 PMAQI
23rd Sep 20255611 PMAQI
24th Sep 20255612 AMAQI
24th Sep 2025531 AMAQI
24th Sep 2025532 AMAQI
24th Sep 2025523 AMAQI
24th Sep 2025524 AMAQI
28°C24/32°C
24th Sep 2025525 AMAQI
24th Sep 2025536 AMAQI
24th Sep 2025537 AMAQI
24th Sep 2025538 AMAQI
24th Sep 2025519 AMAQI
24th Sep 20254610 AMAQI
24th Sep 20254611 AMAQI
24th Sep 20254312 PMAQI
24th Sep 2025421 PMAQI
24th Sep 2025362 PMAQI
24th Sep 2025333 PMAQI
24th Sep 2025334 PMAQI
24th Sep 2025365 PMAQI
24th Sep 2025426 PMAQI
24th Sep 2025447 PMAQI
24th Sep 2025438 PMAQI
24th Sep 2025449 PMAQI
24th Sep 20254710 PMAQI
24th Sep 20254911 PMAQI
25th Sep 20255412 AMAQI
25th Sep 2025531 AMAQI
25th Sep 2025542 AMAQI
25th Sep 2025523 AMAQI
25th Sep 2025534 AMAQI
28°C24/32°C
25th Sep 2025535 AMAQI
25th Sep 2025546 AMAQI
25th Sep 2025397 AMAQI
25th Sep 2025378 AMAQI
25th Sep 2025299 AMAQI
25th Sep 20253110 AMAQI
25th Sep 20253111 AMAQI
25th Sep 20253212 PMAQI
25th Sep 2025331 PMAQI
25th Sep 2025332 PMAQI
25th Sep 2025333 PMAQI
25th Sep 2025354 PMAQI
25th Sep 2025375 PMAQI
25th Sep 2025386 PMAQI
25th Sep 2025407 PMAQI
25th Sep 2025458 PMAQI
25th Sep 2025479 PMAQI
25th Sep 20254110 PMAQI
25th Sep 20254311 PMAQI
26th Sep 20254012 AMAQI
26th Sep 2025381 AMAQI
26th Sep 2025382 AMAQI
26th Sep 2025383 AMAQI
26th Sep 2025394 AMAQI
24°C23/24°C
26th Sep 2025405 AMAQI
26th Sep 2025386 AMAQI
26th Sep 2025397 AMAQI
26th Sep 2025418 AMAQI
26th Sep 2025409 AMAQI
26th Sep 20253910 AMAQI
26th Sep 20253711 AMAQI
26th Sep 20253612 PMAQI
26th Sep 2025351 PMAQI
26th Sep 2025342 PMAQI
26th Sep 2025423 PMAQI
26th Sep 2025474 PMAQI
26th Sep 2025455 PMAQI
26th Sep 2025406 PMAQI
26th Sep 2025387 PMAQI
26th Sep 2025378 PMAQI
26th Sep 2025269 PMAQI
26th Sep 20252110 PMAQI
26th Sep 20252111 PMAQI
27th Sep 20252312 AMAQI
27th Sep 2025231 AMAQI
27th Sep 2025232 AMAQI
27th Sep 2025223 AMAQI
27th Sep 2025214 AMAQI
26°C24/30°C
27th Sep 2025225 AMAQI
27th Sep 2025206 AMAQI
27th Sep 2025237 AMAQI
27th Sep 2025258 AMAQI
27th Sep 2025259 AMAQI
27th Sep 20252510 AMAQI
27th Sep 20252511 AMAQI
27th Sep 20252512 PMAQI
27th Sep 2025211 PMAQI
27th Sep 2025192 PMAQI
27th Sep 2025183 PMAQI
27th Sep 2025184 PMAQI
27th Sep 2025195 PMAQI
27th Sep 2025206 PMAQI
27th Sep 2025227 PMAQI
27th Sep 2025278 PMAQI
27th Sep 2025319 PMAQI
27th Sep 20253910 PMAQI
27th Sep 20254311 PMAQI
28th Sep 20255312 AMAQI
28th Sep 2025551 AMAQI
28th Sep 2025532 AMAQI
28th Sep 2025523 AMAQI
28th Sep 2025524 AMAQI
28°C25/34°C
28th Sep 2025435 AMAQI
28th Sep 2025346 AMAQI
28th Sep 2025327 AMAQI
28th Sep 2025338 AMAQI
28th Sep 2025289 AMAQI
28th Sep 20252710 AMAQI
28th Sep 20252811 AMAQI
28th Sep 20252612 PMAQI
28th Sep 2025281 PMAQI
28th Sep 2025222 PMAQI
28th Sep 2025203 PMAQI
28th Sep 2025174 PMAQI
28th Sep 2025145 PMAQI
28th Sep 2025126 PMAQI
28th Sep 2025117 PMAQI
28th Sep 2025118 PMAQI
28th Sep 2025109 PMAQI
28th Sep 20251010 PMAQI
28th Sep 2025911 PMAQI
29th Sep 20252012 AMAQI
29th Sep 2025341 AMAQI
29th Sep 2025332 AMAQI
29th Sep 2025313 AMAQI
29th Sep 2025294 AMAQI
26°C24/29°C
29th Sep 2025285 AMAQI
29th Sep 2025296 AMAQI
29th Sep 2025307 AMAQI
29th Sep 2025378 AMAQI
29th Sep 2025379 AMAQI
29th Sep 20253710 AMAQI
29th Sep 20253811 AMAQI
29th Sep 20254012 PMAQI
29th Sep 2025411 PMAQI
29th Sep 2025442 PMAQI
29th Sep 2025463 PMAQI
29th Sep 2025454 PMAQI
29th Sep 2025455 PMAQI
29th Sep 2025446 PMAQI
29th Sep 2025447 PMAQI
29th Sep 2025448 PMAQI
29th Sep 2025459 PMAQI
29th Sep 20254710 PMAQI
29th Sep 20254911 PMAQI
30th Sep 20254512 AMAQI
30th Sep 2025431 AMAQI
30th Sep 2025482 AMAQI
30th Sep 2025453 AMAQI
30th Sep 2025464 AMAQI
26°C25/26°C
30th Sep 2025415 AMAQI
30th Sep 2025416 AMAQI
30th Sep 2025407 AMAQI
30th Sep 2025468 AMAQI
30th Sep 2025499 AMAQI
30th Sep 20255010 AMAQI
30th Sep 20255311 AMAQI
30th Sep 20255312 PMAQI
30th Sep 2025531 PMAQI
30th Sep 2025542 PMAQI
30th Sep 2025543 PMAQI
30th Sep 2025544 PMAQI
30th Sep 2025565 PMAQI
30th Sep 2025576 PMAQI
30th Sep 2025597 PMAQI
30th Sep 2025608 PMAQI
30th Sep 2025619 PMAQI
30th Sep 20256110 PMAQI
30th Sep 20256311 PMAQI
1st Oct 20256212 AMAQI
1st Oct 2025631 AMAQI
1st Oct 2025652 AMAQI
1st Oct 2025643 AMAQI
1st Oct 2025634 AMAQI
26°C25/27°C
1st Oct 2025625 AMAQI
1st Oct 2025636 AMAQI
1st Oct 2025667 AMAQI
1st Oct 2025648 AMAQI
1st Oct 2025629 AMAQI
1st Oct 20256710 AMAQI
1st Oct 20256611 AMAQI
1st Oct 20256512 PMAQI
1st Oct 2025631 PMAQI
1st Oct 2025652 PMAQI
1st Oct 2025653 PMAQI
1st Oct 2025674 PMAQI
1st Oct 2025765 PMAQI
1st Oct 2025836 PMAQI
1st Oct 2025887 PMAQI
1st Oct 2025938 PMAQI
1st Oct 2025999 PMAQI
1st Oct 20259810 PMAQI
1st Oct 20259811 PMAQI
2nd Oct 20259812 AMAQI
2nd Oct 2025981 AMAQI
2nd Oct 2025962 AMAQI
2nd Oct 20251193 AMAQI
2nd Oct 20251414 AMAQI
27°C25/29°C
2nd Oct 20251195 AMAQI
2nd Oct 2025896 AMAQI
2nd Oct 2025887 AMAQI
2nd Oct 20251018 AMAQI
2nd Oct 2025959 AMAQI
2nd Oct 20258110 AMAQI
2nd Oct 20257311 AMAQI
2nd Oct 20257112 PMAQI
2nd Oct 2025701 PMAQI
2nd Oct 2025722 PMAQI
2nd Oct 2025733 PMAQI
2nd Oct 2025744 PMAQI
2nd Oct 2025745 PMAQI
2nd Oct 2025766 PMAQI
2nd Oct 2025797 PMAQI
2nd Oct 2025778 PMAQI
2nd Oct 2025789 PMAQI
2nd Oct 20258110 PMAQI
2nd Oct 20258511 PMAQI
3rd Oct 20258512 AMAQI
3rd Oct 2025901 AMAQI
3rd Oct 2025932 AMAQI
3rd Oct 2025963 AMAQI
3rd Oct 2025834 AMAQI
27°C24/31°C
3rd Oct 2025735 AMAQI
3rd Oct 2025676 AMAQI
3rd Oct 2025677 AMAQI
3rd Oct 2025718 AMAQI
3rd Oct 2025799 AMAQI
3rd Oct 20257210 AMAQI
3rd Oct 20256811 AMAQI
3rd Oct 20256712 PMAQI
3rd Oct 2025691 PMAQI
3rd Oct 2025682 PMAQI
3rd Oct 2025673 PMAQI
3rd Oct 2025664 PMAQI
3rd Oct 2025675 PMAQI
3rd Oct 2025666 PMAQI
3rd Oct 2025887 PMAQI
3rd Oct 2025858 PMAQI
3rd Oct 20251009 PMAQI
3rd Oct 20259910 PMAQI
3rd Oct 20259811 PMAQI
4th Oct 20259512 AMAQI
4th Oct 2025901 AMAQI
4th Oct 2025932 AMAQI
4th Oct 2025953 AMAQI
4th Oct 2025844 AMAQI
27°C24/31°C
4th Oct 2025825 AMAQI
4th Oct 2025896 AMAQI
4th Oct 2025947 AMAQI
4th Oct 2025998 AMAQI
4th Oct 2025939 AMAQI
4th Oct 20256910 AMAQI
4th Oct 20257311 AMAQI
4th Oct 20257412 PMAQI
4th Oct 2025751 PMAQI
4th Oct 2025802 PMAQI
4th Oct 2025833 PMAQI
4th Oct 2025844 PMAQI
4th Oct 2025845 PMAQI
4th Oct 2025856 PMAQI
4th Oct 2025957 PMAQI
4th Oct 2025988 PMAQI
4th Oct 20251029 PMAQI
4th Oct 202510110 PMAQI
4th Oct 20259011 PMAQI
5th Oct 20258812 AMAQI
5th Oct 2025921 AMAQI
5th Oct 2025892 AMAQI
5th Oct 2025903 AMAQI
5th Oct 2025874 AMAQI
27°C25/30°C
5th Oct 2025845 AMAQI
5 AM5th Oct 2025846 AMAQI
5th Oct 2025907 AMAQI
5th Oct 2025938 AMAQI
5th Oct 2025949 AMAQI
5th Oct 202511510 AMAQI
5th Oct 202510811 AMAQI
11 AM5th Oct 202510712 PMAQI
5th Oct 20251041 PMAQI
5th Oct 2025992 PMAQI
5th Oct 2025943 PMAQI
5th Oct 2025964 PMAQI
5th Oct 2025955 PMAQI
5 PM5th Oct 2025936 PMAQI
5th Oct 2025857 PMAQI
5th Oct 2025878 PMAQI
5th Oct 2025949 PMAQI
5th Oct 20259910 PMAQI
5th Oct 20259311 PMAQI
11 PM4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 6 AM
51AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
3 PM - 5 PM
43AQI
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. 51), while the lowest AQI was between 3 PM to 5 PM (Avg. 43).
Night time
Avg. Highest Time
12 AM - 4 AM
52AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
6 PM
47AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 52), while the lowest AQI was between 6 PM to 6 PM (Avg. 47).
2025 Days Vs Air Quality
Haiphong, Hai Phong, Vietnam
2025
26%
73
62%
171
11%
30
1%
3
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Good
73 DaysModerate
171 DaysPoor
30 DaysUnhealthy
3 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 26%
Health Risk Level:
Very high
In 2025, 26% of 278 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Haiphong, Hai Phong, 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
132AQI
132AQI
2nd January 2025
125AQI
125AQI
3rd January 2025
109AQI
109AQI
4th January 2025
120AQI
120AQI
5th January 2025
128AQI
128AQI
6th January 2025
137AQI
137AQI
7th January 2025
125AQI
125AQI
8th January 2025
121AQI
121AQI
9th January 2025
129AQI
129AQI
10th January 2025
92AQI
92AQI
11th January 2025
102AQI
102AQI
12th January 2025
103AQI
103AQI
13th January 2025
119AQI
119AQI
14th January 2025
131AQI
131AQI
15th January 2025
132AQI
132AQI
16th January 2025
133AQI
133AQI
17th January 2025
143AQI
143AQI
18th January 2025
153AQI
153AQI
19th January 2025
155AQI
155AQI
20th January 2025
170AQI
170AQI
21st January 2025
136AQI
136AQI
22nd January 2025
129AQI
129AQI
23rd January 2025
111AQI
111AQI
24th January 2025
105AQI
105AQI
25th January 2025
87AQI
87AQI
26th January 2025
62AQI
62AQI
27th January 2025
78AQI
78AQI
28th January 2025
74AQI
74AQI
29th January 2025
112AQI
112AQI
30th January 2025
85AQI
85AQI
31st January 2025
85AQI
85AQI
1st February 2025
78AQI
78AQI
2nd February 2025
66AQI
66AQI
3rd February 2025
56AQI
56AQI
4th February 2025
64AQI
64AQI
5th February 2025
93AQI
93AQI
6th February 2025
79AQI
79AQI
7th February 2025
55AQI
55AQI
8th February 2025
63AQI
63AQI
9th February 2025
82AQI
82AQI
10th February 2025
128AQI
128AQI
11th February 2025
131AQI
131AQI
12th February 2025
139AQI
139AQI
13th February 2025
123AQI
123AQI
14th February 2025
117AQI
117AQI
15th February 2025
122AQI
122AQI
16th February 2025
79AQI
79AQI
17th February 2025
100AQI
100AQI
18th February 2025
67AQI
67AQI
19th February 2025
83AQI
83AQI
20th February 2025
77AQI
77AQI
21st February 2025
90AQI
90AQI
22nd February 2025
93AQI
93AQI
23rd February 2025
64AQI
64AQI
24th February 2025
71AQI
71AQI
25th February 2025
88AQI
88AQI
26th February 2025
72AQI
72AQI
27th February 2025
113AQI
113AQI
28th February 2025
71AQI
71AQI
1st March 2025
90AQI
90AQI
2nd March 2025
73AQI
73AQI
3rd March 2025
75AQI
75AQI
4th March 2025
73AQI
73AQI
5th March 2025
75AQI
75AQI
6th March 2025
60AQI
60AQI
7th March 2025
67AQI
67AQI
8th March 2025
85AQI
85AQI
9th March 2025
99AQI
99AQI
10th March 2025
115AQI
115AQI
11th March 2025
84AQI
84AQI
12th March 2025
81AQI
81AQI
13th March 2025
70AQI
70AQI
14th March 2025
66AQI
66AQI
15th March 2025
63AQI
63AQI
16th March 2025
56AQI
56AQI
17th March 2025
75AQI
75AQI
18th March 2025
69AQI
69AQI
19th March 2025
74AQI
74AQI
20th March 2025
75AQI
75AQI
21st March 2025
69AQI
69AQI
22nd March 2025
69AQI
69AQI
23rd March 2025
62AQI
62AQI
24th March 2025
65AQI
65AQI
25th March 2025
74AQI
74AQI
26th March 2025
73AQI
73AQI
27th March 2025
77AQI
77AQI
28th March 2025
74AQI
74AQI
29th March 2025
55AQI
55AQI
30th March 2025
44AQI
44AQI
31st March 2025
48AQI
48AQI
1st April 2025
56AQI
56AQI
2nd April 2025
65AQI
65AQI
3rd April 2025
72AQI
72AQI
4th April 2025
116AQI
116AQI
5th April 2025
80AQI
80AQI
6th April 2025
84AQI
84AQI
7th April 2025
78AQI
78AQI
8th April 2025
81AQI
81AQI
9th April 2025
74AQI
74AQI
10th April 2025
76AQI
76AQI
11th April 2025
75AQI
75AQI
12th April 2025
78AQI
78AQI
13th April 2025
76AQI
76AQI
14th April 2025
80AQI
80AQI
15th April 2025
83AQI
83AQI
16th April 2025
84AQI
84AQI
17th April 2025
79AQI
79AQI
18th April 2025
79AQI
79AQI
19th April 2025
76AQI
76AQI
20th April 2025
69AQI
69AQI
21st April 2025
67AQI
67AQI
22nd April 2025
70AQI
70AQI
23rd April 2025
68AQI
68AQI
24th April 2025
66AQI
66AQI
25th April 2025
61AQI
61AQI
26th April 2025
62AQI
62AQI
27th April 2025
59AQI
59AQI
28th April 2025
58AQI
58AQI
29th April 2025
70AQI
70AQI
30th April 2025
64AQI
64AQI
1st May 2025
59AQI
59AQI
2nd May 2025
64AQI
64AQI
3rd May 2025
63AQI
63AQI
4th May 2025
66AQI
66AQI
5th May 2025
68AQI
68AQI
6th May 2025
65AQI
65AQI
7th May 2025
66AQI
66AQI
8th May 2025
65AQI
65AQI
9th May 2025
66AQI
66AQI
10th May 2025
67AQI
67AQI
11th May 2025
57AQI
57AQI
12th May 2025
63AQI
63AQI
13th May 2025
60AQI
60AQI
14th May 2025
61AQI
61AQI
15th May 2025
58AQI
58AQI
16th May 2025
58AQI
58AQI
17th May 2025
53AQI
53AQI
18th May 2025
55AQI
55AQI
19th May 2025
54AQI
54AQI
20th May 2025
54AQI
54AQI
21st May 2025
53AQI
53AQI
22nd May 2025
52AQI
52AQI
23rd May 2025
50AQI
50AQI
24th May 2025
50AQI
50AQI
25th May 2025
52AQI
52AQI
26th May 2025
57AQI
57AQI
27th May 2025
64AQI
64AQI
28th May 2025
62AQI
62AQI
29th May 2025
52AQI
52AQI
30th May 2025
52AQI
52AQI
31st May 2025
50AQI
50AQI
1st June 2025
48AQI
48AQI
2nd June 2025
49AQI
49AQI
3rd June 2025
49AQI
49AQI
4th June 2025
51AQI
51AQI
5th June 2025
55AQI
55AQI
6th June 2025
50AQI
50AQI
7th June 2025
50AQI
50AQI
8th June 2025
51AQI
51AQI
9th June 2025
52AQI
52AQI
10th June 2025
51AQI
51AQI
11th June 2025
53AQI
53AQI
12th June 2025
50AQI
50AQI
13th June 2025
48AQI
48AQI
14th June 2025
52AQI
52AQI
15th June 2025
55AQI
55AQI
16th June 2025
56AQI
56AQI
17th June 2025
55AQI
55AQI
18th June 2025
55AQI
55AQI
19th June 2025
59AQI
59AQI
20th June 2025
60AQI
60AQI
21st June 2025
56AQI
56AQI
22nd June 2025
59AQI
59AQI
23rd June 2025
56AQI
56AQI
24th June 2025
56AQI
56AQI
25th June 2025
52AQI
52AQI
26th June 2025
51AQI
51AQI
27th June 2025
49AQI
49AQI
28th June 2025
48AQI
48AQI
29th June 2025
44AQI
44AQI
30th June 2025
48AQI
48AQI
1st July 2025
40AQI
40AQI
2nd July 2025
37AQI
37AQI
3rd July 2025
41AQI
41AQI
4th July 2025
55AQI
55AQI
5th July 2025
56AQI
56AQI
6th July 2025
55AQI
55AQI
7th July 2025
55AQI
55AQI
8th July 2025
53AQI
53AQI
9th July 2025
56AQI
56AQI
10th July 2025
50AQI
50AQI
11th July 2025
51AQI
51AQI
12th July 2025
51AQI
51AQI
13th July 2025
55AQI
55AQI
14th July 2025
61AQI
61AQI
15th July 2025
58AQI
58AQI
16th July 2025
53AQI
53AQI
17th July 2025
51AQI
51AQI
18th July 2025
53AQI
53AQI
19th July 2025
59AQI
59AQI
20th July 2025
53AQI
53AQI
21st July 2025
48AQI
48AQI
22nd July 2025
41AQI
41AQI
23rd July 2025
40AQI
40AQI
24th July 2025
39AQI
39AQI
25th July 2025
45AQI
45AQI
26th July 2025
49AQI
49AQI
27th July 2025
49AQI
49AQI
28th July 2025
48AQI
48AQI
29th July 2025
59AQI
59AQI
30th July 2025
56AQI
56AQI
31st July 2025
54AQI
54AQI
1st August 2025
53AQI
53AQI
2nd August 2025
53AQI
53AQI
3rd August 2025
56AQI
56AQI
4th August 2025
56AQI
56AQI
5th August 2025
55AQI
55AQI
6th August 2025
53AQI
53AQI
7th August 2025
53AQI
53AQI
8th August 2025
52AQI
52AQI
9th August 2025
54AQI
54AQI
10th August 2025
52AQI
52AQI
11th August 2025
52AQI
52AQI
12th August 2025
50AQI
50AQI
13th August 2025
50AQI
50AQI
14th August 2025
53AQI
53AQI
15th August 2025
43AQI
43AQI
16th August 2025
39AQI
39AQI
17th August 2025
36AQI
36AQI
18th August 2025
36AQI
36AQI
19th August 2025
37AQI
37AQI
20th August 2025
42AQI
42AQI
21st August 2025
41AQI
41AQI
22nd August 2025
42AQI
42AQI
23rd August 2025
43AQI
43AQI
24th August 2025
43AQI
43AQI
25th August 2025
36AQI
36AQI
26th August 2025
35AQI
35AQI
27th August 2025
39AQI
39AQI
28th August 2025
44AQI
44AQI
29th August 2025
46AQI
46AQI
30th August 2025
41AQI
41AQI
31st August 2025
41AQI
41AQI
1st September 2025
41AQI
41AQI
2nd September 2025
43AQI
43AQI
3rd September 2025
41AQI
41AQI
4th September 2025
44AQI
44AQI
5th September 2025
41AQI
41AQI
6th September 2025
40AQI
40AQI
7th September 2025
49AQI
49AQI
8th September 2025
55AQI
55AQI
9th September 2025
48AQI
48AQI
10th September 2025
50AQI
50AQI
11th September 2025
42AQI
42AQI
12th September 2025
42AQI
42AQI
13th September 2025
38AQI
38AQI
14th September 2025
40AQI
40AQI
15th September 2025
40AQI
40AQI
16th September 2025
40AQI
40AQI
17th September 2025
40AQI
40AQI
18th September 2025
36AQI
36AQI
19th September 2025
40AQI
40AQI
20th September 2025
50AQI
50AQI
21st September 2025
55AQI
55AQI
22nd September 2025
49AQI
49AQI
23rd September 2025
53AQI
53AQI
24th September 2025
48AQI
48AQI
25th September 2025
43AQI
43AQI
26th September 2025
37AQI
37AQI
27th September 2025
24AQI
24AQI
28th September 2025
31AQI
31AQI
29th September 2025
34AQI
34AQI
30th September 2025
51AQI
51AQI
1st October 2025
71AQI
71AQI
2nd October 2025
90AQI
90AQI
3rd October 2025
80AQI
80AQI
4th October 2025
88AQI
88AQI
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
117AQI
88AQI
72AQI
74AQI
59AQI
52AQI
51AQI
46AQI
43AQI
82AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202567AQI
7
21
3
21
7
2
28
1
29
1
3
28
11
19
12
19
19
12
26
4
4
73
171
30
3
Highest AQI recorded in
January117AQI
Lowest AQI recorded in
September43AQI
202441AQI
26
1
27
30
1
30
31
15
15
31
31
8
16
6
16
11
4
21
9
16
14
1
266
69
24
1
Highest AQI recorded in
December94AQI
Lowest AQI recorded in
February17AQI
202331AQI
27
4
15
5
26
5
27
3
30
1
30
26
29
2
18
11
22
20
9
31
301
40
Highest AQI recorded in
September47AQI
Lowest AQI recorded in
July15AQI
202224AQI
7
1
19
2
29
1
22
31
29
25
1
27
1
30
1
30
30
1
280
7
Highest AQI recorded in
August36AQI
Lowest AQI recorded in
March18AQI
202122AQI
29
1
28
22
14
29
22
30
26
31
29
1
31
291
2
Highest AQI recorded in
November34AQI
Lowest AQI recorded in
May5AQI
202030AQI
9
19
2
23
30
29
26
2
24
5
2
16
12
2
31
207
21
4
Highest AQI recorded in
November56AQI
Lowest AQI recorded in
March17AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
67AQILeast Polluted Year Recorded
2021(Avg.)
22AQIHaiphong's annual 2025 AQI (67) shows an average percentage change of 138.1% (worsened AQI) compared to previous years: 2020 (30), 2021 (22), 2022 (24), 2023 (31), 2024 (41).
