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+
August Air Quality Analysis
Hanoi, Ha Noi, Vietnam
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
2nd Aug 2023
105AQILowest AQI recorded on
25th Aug 2022
8AQISame Day Analysis (7th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 60 of Moderate air quality on the same day.
Day & Night AQI Trend: 7th Aug - 8th Aug 2026
Hanoi, Ha Noi, Vietnam
AQI
Day
Night
.
5 AM7th Aug 2026
6 PM
4 AM8th Aug 2026
Day time
Avg. Highest Time
1PM7th Aug
80AQI
Avg. Lowest Time
7AM7th Aug
49AQI
Night time
Avg. Highest Time
4AM8th Aug
78AQI
Avg. Lowest Time
8PM7th Aug
55AQI
In the last 24 hours,
Hanoi's AQI reached its highest point of 80 at 1 PM during the Day, while the lowest point, 49, was recorded at 7 AM during the Day between 7th Aug and 8th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Hanoi, Ha Noi, Vietnam
JulAug
10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th
Day
Night
10th Jul 2026305 AMAQI
10th Jul 2026336 AMAQI
10th Jul 2026357 AMAQI
10th Jul 2026368 AMAQI
10th Jul 2026439 AMAQI
10th Jul 20264710 AMAQI
10th Jul 20264911 AMAQI
10th Jul 20265312 PMAQI
10th Jul 2026521 PMAQI
10th Jul 2026502 PMAQI
10th Jul 2026483 PMAQI
10th Jul 2026534 PMAQI
10th Jul 2026535 PMAQI
10th Jul 2026526 PMAQI
10th Jul 2026297 PMAQI
10th Jul 2026388 PMAQI
10th Jul 2026419 PMAQI
10th Jul 20263210 PMAQI
10th Jul 20264011 PMAQI
11th Jul 20262512 AMAQI
11th Jul 2026421 AMAQI
11th Jul 2026592 AMAQI
11th Jul 2026803 AMAQI
11th Jul 2026994 AMAQI
29°C26/34°C
11th Jul 2026795 AMAQI
11th Jul 2026796 AMAQI
11th Jul 20261017 AMAQI
11th Jul 2026978 AMAQI
11th Jul 20261019 AMAQI
11th Jul 20268610 AMAQI
11th Jul 20269711 AMAQI
11th Jul 20268312 PMAQI
11th Jul 2026841 PMAQI
11th Jul 2026932 PMAQI
11th Jul 20261013 PMAQI
11th Jul 2026824 PMAQI
11th Jul 2026895 PMAQI
11th Jul 20261026 PMAQI
11th Jul 20261057 PMAQI
11th Jul 2026958 PMAQI
11th Jul 20261119 PMAQI
11th Jul 202610810 PMAQI
11th Jul 202611211 PMAQI
12th Jul 202611812 AMAQI
12th Jul 20261221 AMAQI
12th Jul 20261172 AMAQI
12th Jul 20261203 AMAQI
12th Jul 20261184 AMAQI
30°C27/35°C
12th Jul 20261125 AMAQI
12th Jul 20261126 AMAQI
12th Jul 20261167 AMAQI
12th Jul 20261198 AMAQI
12th Jul 2026849 AMAQI
12th Jul 20268110 AMAQI
12th Jul 20268211 AMAQI
12th Jul 20267712 PMAQI
12th Jul 2026751 PMAQI
12th Jul 2026802 PMAQI
12th Jul 2026873 PMAQI
12th Jul 2026864 PMAQI
12th Jul 2026765 PMAQI
12th Jul 2026656 PMAQI
12th Jul 2026577 PMAQI
12th Jul 2026548 PMAQI
12th Jul 2026599 PMAQI
12th Jul 20267310 PMAQI
12th Jul 20268311 PMAQI
13th Jul 20268612 AMAQI
13th Jul 2026861 AMAQI
13th Jul 2026822 AMAQI
13th Jul 2026843 AMAQI
13th Jul 2026834 AMAQI
30°C27/34°C
13th Jul 2026835 AMAQI
13th Jul 2026836 AMAQI
13th Jul 2026837 AMAQI
13th Jul 2026878 AMAQI
13th Jul 2026829 AMAQI
13th Jul 202610310 AMAQI
13th Jul 202610711 AMAQI
13th Jul 202610412 PMAQI
13th Jul 20261141 PMAQI
13th Jul 20261142 PMAQI
13th Jul 2026983 PMAQI
13th Jul 2026884 PMAQI
13th Jul 2026735 PMAQI
13th Jul 2026756 PMAQI
13th Jul 2026837 PMAQI
13th Jul 2026858 PMAQI
13th Jul 2026729 PMAQI
13th Jul 20266610 PMAQI
13th Jul 20265311 PMAQI
14th Jul 20264212 AMAQI
14th Jul 2026361 AMAQI
14th Jul 2026342 AMAQI
14th Jul 2026363 AMAQI
14th Jul 2026404 AMAQI
31°C27/35°C
14th Jul 2026445 AMAQI
14th Jul 2026456 AMAQI
14th Jul 2026547 AMAQI
14th Jul 2026628 AMAQI
14th Jul 2026669 AMAQI
14th Jul 20266810 AMAQI
14th Jul 20266211 AMAQI
14th Jul 20265712 PMAQI
14th Jul 2026721 PMAQI
14th Jul 2026802 PMAQI
14th Jul 2026763 PMAQI
14th Jul 2026684 PMAQI
14th Jul 2026715 PMAQI
14th Jul 2026786 PMAQI
14th Jul 2026677 PMAQI
14th Jul 2026548 PMAQI
14th Jul 2026579 PMAQI
14th Jul 20266210 PMAQI
14th Jul 20266111 PMAQI
15th Jul 20266212 AMAQI
15th Jul 2026551 AMAQI
15th Jul 2026582 AMAQI
15th Jul 2026523 AMAQI
15th Jul 2026484 AMAQI
31°C27/36°C
15th Jul 2026475 AMAQI
15th Jul 2026496 AMAQI
15th Jul 2026517 AMAQI
15th Jul 2026488 AMAQI
15th Jul 2026509 AMAQI
15th Jul 20264910 AMAQI
15th Jul 20265611 AMAQI
15th Jul 20266212 PMAQI
15th Jul 2026631 PMAQI
15th Jul 2026582 PMAQI
15th Jul 2026673 PMAQI
15th Jul 2026734 PMAQI
15th Jul 2026855 PMAQI
15th Jul 2026846 PMAQI
15th Jul 2026737 PMAQI
15th Jul 2026608 PMAQI
15th Jul 2026639 PMAQI
15th Jul 20266310 PMAQI
15th Jul 20267111 PMAQI
16th Jul 20267112 AMAQI
16th Jul 2026781 AMAQI
16th Jul 2026802 AMAQI
16th Jul 2026723 AMAQI
16th Jul 2026694 AMAQI
31°C28/34°C
16th Jul 2026735 AMAQI
16th Jul 2026866 AMAQI
16th Jul 2026827 AMAQI
16th Jul 2026818 AMAQI
16th Jul 2026729 AMAQI
16th Jul 20266710 AMAQI
16th Jul 20266111 AMAQI
16th Jul 20265912 PMAQI
16th Jul 2026611 PMAQI
16th Jul 2026602 PMAQI
16th Jul 2026573 PMAQI
16th Jul 2026584 PMAQI
16th Jul 2026705 PMAQI
16th Jul 2026776 PMAQI
16th Jul 2026697 PMAQI
16th Jul 2026468 PMAQI
16th Jul 2026429 PMAQI
16th Jul 20263910 PMAQI
16th Jul 20262911 PMAQI
17th Jul 20264012 AMAQI
17th Jul 2026491 AMAQI
17th Jul 2026492 AMAQI
17th Jul 2026503 AMAQI
17th Jul 2026494 AMAQI
31°C28/35°C
17th Jul 2026515 AMAQI
17th Jul 2026496 AMAQI
17th Jul 2026467 AMAQI
17th Jul 2026428 AMAQI
17th Jul 2026379 AMAQI
17th Jul 20263510 AMAQI
17th Jul 20264011 AMAQI
17th Jul 20264712 PMAQI
17th Jul 2026521 PMAQI
17th Jul 2026512 PMAQI
17th Jul 2026403 PMAQI
17th Jul 2026304 PMAQI
17th Jul 2026265 PMAQI
17th Jul 2026266 PMAQI
17th Jul 2026277 PMAQI
17th Jul 2026308 PMAQI
17th Jul 2026279 PMAQI
17th Jul 20263010 PMAQI
17th Jul 20263111 PMAQI
18th Jul 20263712 AMAQI
18th Jul 2026441 AMAQI
18th Jul 2026462 AMAQI
18th Jul 2026513 AMAQI
18th Jul 2026484 AMAQI
29°C28/31°C
18th Jul 2026455 AMAQI
18th Jul 2026416 AMAQI
18th Jul 2026377 AMAQI
18th Jul 2026398 AMAQI
18th Jul 2026419 AMAQI
18th Jul 20264310 AMAQI
18th Jul 20264411 AMAQI
18th Jul 20264612 PMAQI
18th Jul 2026461 PMAQI
18th Jul 2026412 PMAQI
18th Jul 2026353 PMAQI
18th Jul 2026354 PMAQI
18th Jul 2026355 PMAQI
18th Jul 2026396 PMAQI
18th Jul 2026527 PMAQI
18th Jul 2026468 PMAQI
18th Jul 2026489 PMAQI
18th Jul 20265310 PMAQI
18th Jul 20265311 PMAQI
19th Jul 20264512 AMAQI
19th Jul 2026421 AMAQI
19th Jul 2026392 AMAQI
19th Jul 2026383 AMAQI
19th Jul 2026314 AMAQI
31°C27/36°C
19th Jul 2026305 AMAQI
19th Jul 2026306 AMAQI
19th Jul 2026437 AMAQI
19th Jul 2026518 AMAQI
19th Jul 2026589 AMAQI
19th Jul 20266510 AMAQI
19th Jul 20266311 AMAQI
19th Jul 20266212 PMAQI
19th Jul 2026591 PMAQI
19th Jul 2026482 PMAQI
19th Jul 2026343 PMAQI
19th Jul 2026314 PMAQI
19th Jul 2026285 PMAQI
19th Jul 2026286 PMAQI
19th Jul 2026507 PMAQI
19th Jul 2026538 PMAQI
19th Jul 2026589 PMAQI
19th Jul 20266510 PMAQI
19th Jul 20266711 PMAQI
20th Jul 20267212 AMAQI
20th Jul 2026731 AMAQI
20th Jul 2026732 AMAQI
20th Jul 2026693 AMAQI
20th Jul 2026774 AMAQI
30°C28/34°C
20th Jul 2026825 AMAQI
20th Jul 2026906 AMAQI
20th Jul 2026917 AMAQI
20th Jul 2026798 AMAQI
20th Jul 20261129 AMAQI
20th Jul 202612310 AMAQI
20th Jul 202611811 AMAQI
20th Jul 20269812 PMAQI
20th Jul 2026881 PMAQI
20th Jul 2026702 PMAQI
20th Jul 2026533 PMAQI
20th Jul 2026384 PMAQI
20th Jul 2026345 PMAQI
20th Jul 2026386 PMAQI
20th Jul 2026467 PMAQI
20th Jul 2026548 PMAQI
20th Jul 2026639 PMAQI
20th Jul 20266910 PMAQI
20th Jul 20268011 PMAQI
21st Jul 202610912 AMAQI
21st Jul 20261061 AMAQI
21st Jul 2026912 AMAQI
21st Jul 2026893 AMAQI
21st Jul 20261014 AMAQI
29°C26/34°C
21st Jul 20261065 AMAQI
21st Jul 20261206 AMAQI
21st Jul 20261217 AMAQI
21st Jul 20261138 AMAQI
21st Jul 20261099 AMAQI
21st Jul 202611011 AMAQI
21st Jul 202610912 PMAQI
21st Jul 20261201 PMAQI
21st Jul 20261042 PMAQI
21st Jul 2026993 PMAQI
21st Jul 20261054 PMAQI
21st Jul 20261235 PMAQI
21st Jul 20261086 PMAQI
21st Jul 20261097 PMAQI
21st Jul 2026998 PMAQI
21st Jul 2026859 PMAQI
21st Jul 20268110 PMAQI
21st Jul 20268411 PMAQI
22nd Jul 20269012 AMAQI
22nd Jul 2026971 AMAQI
22nd Jul 2026992 AMAQI
22nd Jul 2026903 AMAQI
22nd Jul 2026924 AMAQI
28°C26/33°C
22nd Jul 20261035 AMAQI
22nd Jul 20261126 AMAQI
22nd Jul 20261187 AMAQI
22nd Jul 20261098 AMAQI
22nd Jul 2026969 AMAQI
22nd Jul 20269710 AMAQI
22nd Jul 20269911 AMAQI
22nd Jul 202610212 PMAQI
22nd Jul 20261041 PMAQI
22nd Jul 2026832 PMAQI
22nd Jul 2026643 PMAQI
22nd Jul 2026634 PMAQI
22nd Jul 2026695 PMAQI
22nd Jul 2026746 PMAQI
22nd Jul 2026767 PMAQI
22nd Jul 2026748 PMAQI
22nd Jul 2026659 PMAQI
22nd Jul 20266710 PMAQI
22nd Jul 20264911 PMAQI
23rd Jul 20264212 AMAQI
23rd Jul 2026381 AMAQI
23rd Jul 2026412 AMAQI
23rd Jul 2026463 AMAQI
23rd Jul 2026644 AMAQI
30°C26/36°C
23rd Jul 2026715 AMAQI
23rd Jul 2026566 AMAQI
23rd Jul 2026577 AMAQI
23rd Jul 2026598 AMAQI
23rd Jul 2026739 AMAQI
23rd Jul 20266510 AMAQI
23rd Jul 20266411 AMAQI
23rd Jul 20267612 PMAQI
23rd Jul 2026741 PMAQI
23rd Jul 2026692 PMAQI
23rd Jul 2026623 PMAQI
23rd Jul 2026654 PMAQI
23rd Jul 2026705 PMAQI
23rd Jul 2026746 PMAQI
23rd Jul 2026757 PMAQI
23rd Jul 2026678 PMAQI
23rd Jul 2026549 PMAQI
23rd Jul 20264510 PMAQI
23rd Jul 20265111 PMAQI
24th Jul 20265312 AMAQI
24th Jul 2026531 AMAQI
24th Jul 2026342 AMAQI
24th Jul 2026283 AMAQI
24th Jul 2026344 AMAQI
30°C27/36°C
24th Jul 2026385 AMAQI
24th Jul 2026326 AMAQI
24th Jul 2026277 AMAQI
24th Jul 2026338 AMAQI
24th Jul 2026399 AMAQI
24th Jul 20264410 AMAQI
24th Jul 20265111 AMAQI
24th Jul 20265512 PMAQI
24th Jul 2026571 PMAQI
24th Jul 2026542 PMAQI
24th Jul 2026533 PMAQI
24th Jul 2026554 PMAQI
24th Jul 2026585 PMAQI
24th Jul 2026616 PMAQI
24th Jul 2026697 PMAQI
24th Jul 2026778 PMAQI
24th Jul 2026779 PMAQI
24th Jul 20267710 PMAQI
24th Jul 20267711 PMAQI
25th Jul 20267712 AMAQI
25th Jul 2026711 AMAQI
25th Jul 2026692 AMAQI
25th Jul 2026713 AMAQI
25th Jul 2026744 AMAQI
29°C26/33°C
25th Jul 2026775 AMAQI
25th Jul 2026806 AMAQI
25th Jul 2026597 AMAQI
25th Jul 2026468 AMAQI
25th Jul 2026389 AMAQI
25th Jul 20264810 AMAQI
25th Jul 20264111 AMAQI
25th Jul 20264612 PMAQI
25th Jul 2026501 PMAQI
25th Jul 2026422 PMAQI
25th Jul 2026453 PMAQI
25th Jul 2026544 PMAQI
25th Jul 2026615 PMAQI
25th Jul 2026846 PMAQI
25th Jul 2026907 PMAQI
25th Jul 2026928 PMAQI
25th Jul 2026979 PMAQI
25th Jul 20269510 PMAQI
25th Jul 20269311 PMAQI
26th Jul 20269512 AMAQI
26th Jul 2026961 AMAQI
26th Jul 2026892 AMAQI
26th Jul 2026833 AMAQI
26th Jul 2026864 AMAQI
30°C26/34°C
26th Jul 20261015 AMAQI
26th Jul 20261006 AMAQI
26th Jul 20261047 AMAQI
26th Jul 2026948 AMAQI
26th Jul 2026879 AMAQI
26th Jul 20269010 AMAQI
26th Jul 20269511 AMAQI
26th Jul 20269912 PMAQI
26th Jul 2026921 PMAQI
26th Jul 2026782 PMAQI
26th Jul 2026713 PMAQI
26th Jul 2026724 PMAQI
26th Jul 2026755 PMAQI
26th Jul 2026766 PMAQI
26th Jul 2026797 PMAQI
26th Jul 2026678 PMAQI
26th Jul 2026609 PMAQI
26th Jul 20266310 PMAQI
26th Jul 20266711 PMAQI
27th Jul 20267312 AMAQI
27th Jul 2026741 AMAQI
27th Jul 2026682 AMAQI
27th Jul 2026593 AMAQI
27th Jul 2026554 AMAQI
31°C26/36°C
27th Jul 2026595 AMAQI
27th Jul 2026606 AMAQI
27th Jul 2026617 AMAQI
27th Jul 2026578 AMAQI
27th Jul 2026589 AMAQI
27th Jul 20265910 AMAQI
27th Jul 20267211 AMAQI
27th Jul 20267512 PMAQI
27th Jul 2026721 PMAQI
27th Jul 2026542 PMAQI
27th Jul 2026413 PMAQI
27th Jul 2026324 PMAQI
27th Jul 2026335 PMAQI
27th Jul 2026366 PMAQI
27th Jul 2026317 PMAQI
27th Jul 2026358 PMAQI
27th Jul 2026619 PMAQI
27th Jul 20265410 PMAQI
27th Jul 20266111 PMAQI
28th Jul 20266612 AMAQI
28th Jul 2026711 AMAQI
28th Jul 2026582 AMAQI
28th Jul 2026363 AMAQI
28th Jul 2026244 AMAQI
30°C27/34°C
28th Jul 2026275 AMAQI
28th Jul 2026246 AMAQI
28th Jul 2026497 AMAQI
28th Jul 2026248 AMAQI
28th Jul 2026379 AMAQI
28th Jul 20265310 AMAQI
28th Jul 20263011 AMAQI
28th Jul 20264412 PMAQI
28th Jul 2026511 PMAQI
28th Jul 2026532 PMAQI
28th Jul 2026443 PMAQI
28th Jul 2026444 PMAQI
28th Jul 2026485 PMAQI
28th Jul 2026546 PMAQI
28th Jul 2026547 PMAQI
28th Jul 2026418 PMAQI
28th Jul 2026349 PMAQI
28th Jul 20263710 PMAQI
28th Jul 20264411 PMAQI
29th Jul 20264812 AMAQI
29th Jul 2026511 AMAQI
29th Jul 2026572 AMAQI
29th Jul 2026543 AMAQI
29th Jul 2026644 AMAQI
26°C25/29°C
29th Jul 2026465 AMAQI
29th Jul 2026546 AMAQI
29th Jul 2026627 AMAQI
29th Jul 2026538 AMAQI
29th Jul 2026469 AMAQI
29th Jul 20262310 AMAQI
29th Jul 20265211 AMAQI
29th Jul 20265812 PMAQI
29th Jul 2026621 PMAQI
29th Jul 2026582 PMAQI
29th Jul 2026463 PMAQI
29th Jul 2026354 PMAQI
29th Jul 2026435 PMAQI
29th Jul 2026446 PMAQI
29th Jul 2026517 PMAQI
29th Jul 2026548 PMAQI
29th Jul 2026589 PMAQI
29th Jul 20265810 PMAQI
29th Jul 20266211 PMAQI
30th Jul 20267312 AMAQI
30th Jul 2026841 AMAQI
30th Jul 2026852 AMAQI
30th Jul 2026823 AMAQI
30th Jul 2026774 AMAQI
28°C25/32°C
30th Jul 2026835 AMAQI
30th Jul 2026916 AMAQI
30th Jul 2026947 AMAQI
30th Jul 2026858 AMAQI
30th Jul 2026799 AMAQI
30th Jul 20266310 AMAQI
30th Jul 20266111 AMAQI
30th Jul 20265312 PMAQI
30th Jul 2026501 PMAQI
30th Jul 2026462 PMAQI
30th Jul 2026373 PMAQI
30th Jul 2026324 PMAQI
30th Jul 2026375 PMAQI
30th Jul 2026386 PMAQI
30th Jul 2026517 PMAQI
30th Jul 2026518 PMAQI
30th Jul 2026539 PMAQI
30th Jul 20265810 PMAQI
30th Jul 20266311 PMAQI
31st Jul 20267312 AMAQI
31st Jul 2026731 AMAQI
31st Jul 2026602 AMAQI
31st Jul 2026533 AMAQI
31st Jul 2026524 AMAQI
28°C25/33°C
31st Jul 2026555 AMAQI
31st Jul 2026326 AMAQI
31st Jul 2026247 AMAQI
31st Jul 2026238 AMAQI
31st Jul 2026249 AMAQI
31st Jul 20263210 AMAQI
31st Jul 20263711 AMAQI
31st Jul 20264212 PMAQI
31st Jul 2026411 PMAQI
31st Jul 2026422 PMAQI
31st Jul 2026443 PMAQI
31st Jul 2026484 PMAQI
31st Jul 2026515 PMAQI
31st Jul 2026496 PMAQI
31st Jul 2026497 PMAQI
31st Jul 2026458 PMAQI
31st Jul 2026449 PMAQI
31st Jul 20264910 PMAQI
31st Jul 20264911 PMAQI
1st Aug 20264812 AMAQI
1st Aug 2026361 AMAQI
1st Aug 2026242 AMAQI
1st Aug 2026243 AMAQI
1st Aug 2026294 AMAQI
28°C26/31°C
1st Aug 2026355 AMAQI
1st Aug 2026436 AMAQI
1st Aug 2026377 AMAQI
1st Aug 2026428 AMAQI
1st Aug 2026499 AMAQI
1st Aug 20265510 AMAQI
1st Aug 20266011 AMAQI
1st Aug 20265912 PMAQI
1st Aug 2026561 PMAQI
1st Aug 2026492 PMAQI
1st Aug 2026403 PMAQI
1st Aug 2026364 PMAQI
1st Aug 2026475 PMAQI
1st Aug 2026536 PMAQI
1st Aug 2026547 PMAQI
1st Aug 2026538 PMAQI
1st Aug 2026579 PMAQI
1st Aug 20264410 PMAQI
1st Aug 20263711 PMAQI
2nd Aug 20263612 AMAQI
2nd Aug 2026321 AMAQI
2nd Aug 2026292 AMAQI
2nd Aug 2026313 AMAQI
2nd Aug 2026404 AMAQI
28°C25/32°C
2nd Aug 2026475 AMAQI
2nd Aug 2026406 AMAQI
2nd Aug 2026507 AMAQI
2nd Aug 2026548 AMAQI
2nd Aug 2026719 AMAQI
2nd Aug 20265810 AMAQI
2nd Aug 20266511 AMAQI
2nd Aug 20266412 PMAQI
2nd Aug 2026571 PMAQI
2nd Aug 2026562 PMAQI
2nd Aug 2026623 PMAQI
2nd Aug 2026534 PMAQI
2nd Aug 2026565 PMAQI
2nd Aug 2026646 PMAQI
2nd Aug 2026667 PMAQI
2nd Aug 2026678 PMAQI
2nd Aug 2026719 PMAQI
2nd Aug 20266610 PMAQI
2nd Aug 20266511 PMAQI
3rd Aug 20266012 AMAQI
3rd Aug 2026661 AMAQI
3rd Aug 2026612 AMAQI
3rd Aug 2026593 AMAQI
3rd Aug 2026504 AMAQI
29°C26/33°C
3rd Aug 2026605 AMAQI
3rd Aug 2026576 AMAQI
3rd Aug 2026657 AMAQI
3rd Aug 2026538 AMAQI
3rd Aug 2026739 AMAQI
3rd Aug 20267210 AMAQI
3rd Aug 20267211 AMAQI
3rd Aug 20266312 PMAQI
3rd Aug 2026631 PMAQI
3rd Aug 2026642 PMAQI
3rd Aug 2026583 PMAQI
3rd Aug 2026524 PMAQI
3rd Aug 2026495 PMAQI
3rd Aug 2026506 PMAQI
3rd Aug 2026587 PMAQI
3rd Aug 2026658 PMAQI
3rd Aug 2026589 PMAQI
3rd Aug 20266210 PMAQI
3rd Aug 20266211 PMAQI
4th Aug 20266012 AMAQI
4th Aug 2026571 AMAQI
4th Aug 2026552 AMAQI
4th Aug 2026513 AMAQI
4th Aug 2026464 AMAQI
29°C26/34°C
4th Aug 2026425 AMAQI
4th Aug 2026496 AMAQI
4th Aug 2026507 AMAQI
4th Aug 2026468 AMAQI
4th Aug 2026579 AMAQI
4th Aug 20266710 AMAQI
4th Aug 20266511 AMAQI
4th Aug 20267012 PMAQI
4th Aug 2026711 PMAQI
4th Aug 2026702 PMAQI
4th Aug 2026733 PMAQI
4th Aug 2026764 PMAQI
4th Aug 2026785 PMAQI
4th Aug 2026816 PMAQI
4th Aug 2026837 PMAQI
4th Aug 2026928 PMAQI
4th Aug 2026659 PMAQI
4th Aug 20267210 PMAQI
4th Aug 20267511 PMAQI
5th Aug 20266312 AMAQI
5th Aug 2026551 AMAQI
5th Aug 2026342 AMAQI
5th Aug 2026253 AMAQI
5th Aug 2026304 AMAQI
29°C26/33°C
5th Aug 2026465 AMAQI
5th Aug 2026556 AMAQI
5th Aug 2026567 AMAQI
5th Aug 2026498 AMAQI
5th Aug 2026459 AMAQI
5th Aug 20265510 AMAQI
5th Aug 20265611 AMAQI
5th Aug 20265512 PMAQI
5th Aug 2026551 PMAQI
5th Aug 2026552 PMAQI
5th Aug 2026583 PMAQI
5th Aug 2026554 PMAQI
5th Aug 2026465 PMAQI
5th Aug 2026516 PMAQI
5th Aug 2026577 PMAQI
5th Aug 2026548 PMAQI
5th Aug 2026589 PMAQI
5th Aug 20266210 PMAQI
5th Aug 20266511 PMAQI
6th Aug 20267012 AMAQI
6th Aug 2026651 AMAQI
6th Aug 2026652 AMAQI
6th Aug 2026633 AMAQI
6th Aug 2026684 AMAQI
27°C26/30°C
6th Aug 2026635 AMAQI
6th Aug 2026646 AMAQI
6th Aug 2026647 AMAQI
6th Aug 2026668 AMAQI
6th Aug 2026839 AMAQI
6th Aug 20268110 AMAQI
6th Aug 20266411 AMAQI
6th Aug 20266412 PMAQI
6th Aug 2026641 PMAQI
6th Aug 2026642 PMAQI
6th Aug 2026613 PMAQI
6th Aug 2026524 PMAQI
6th Aug 2026535 PMAQI
6th Aug 2026526 PMAQI
6th Aug 2026547 PMAQI
6th Aug 2026538 PMAQI
6th Aug 2026559 PMAQI
6th Aug 20265010 PMAQI
6th Aug 20265211 PMAQI
7th Aug 20265512 AMAQI
7th Aug 2026571 AMAQI
7th Aug 2026542 AMAQI
7th Aug 2026543 AMAQI
7th Aug 2026534 AMAQI
28°C25/32°C
7th Aug 2026565 AMAQI
7th Aug 2026526 AMAQI
7th Aug 2026497 AMAQI
7th Aug 2026518 AMAQI
7th Aug 2026529 AMAQI
7th Aug 20265410 AMAQI
7th Aug 20265811 AMAQI
7th Aug 20267112 PMAQI
7th Aug 2026801 PMAQI
7th Aug 2026762 PMAQI
7th Aug 2026713 PMAQI
7th Aug 2026654 PMAQI
7th Aug 2026665 PMAQI
7th Aug 2026696 PMAQI
7th Aug 2026707 PMAQI
7th Aug 2026558 PMAQI
7th Aug 2026609 PMAQI
7th Aug 20266210 PMAQI
7th Aug 20266311 PMAQI
8th Aug 20266912 AMAQI
8th Aug 2026661 AMAQI
8th Aug 2026672 AMAQI
8th Aug 2026733 AMAQI
8th Aug 2026784 AMAQI
26°C25/29°C
8th Aug 2026905 AMAQI
5 AM8th Aug 2026966 AMAQI
8th Aug 2026847 AMAQI
8th Aug 2026788 AMAQI
8th Aug 2026709 AMAQI
8th Aug 20266810 AMAQI
8th Aug 20267211 AMAQI
11 AM8th Aug 20267012 PMAQI
8th Aug 2026651 PMAQI
8th Aug 2026612 PMAQI
8th Aug 2026543 PMAQI
8th Aug 2026504 PMAQI
8th Aug 2026495 PMAQI
8th Aug 2026526 PMAQI
6 PM8th Aug 2026567 PMAQI
8th Aug 2026538 PMAQI
8th Aug 2026499 PMAQI
8th Aug 20265210 PMAQI
8th Aug 20265611 PMAQI
11 PM4 AM
30°C25/36°C
Day time
Avg. Highest Time
11 AM - 1 PM
67AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
4 PM
56AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 1 PM (Avg. 67), while the lowest AQI was between 4 PM to 4 PM (Avg. 56).
Night time
Avg. Highest Time
12 AM - 1 AM
64AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
3 AM
58AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 1 AM (Avg. 64), while the lowest AQI was between 3 AM to 3 AM (Avg. 58).
2026 Days Vs Air Quality
Hanoi, Ha Noi, Vietnam
2026
10%
22
64%
138
18%
39
8%
17
Total number of days with different AQI categories in last 220 days in 2026 (145 days remaining)
Good
22 DaysModerate
138 DaysPoor
39 DaysUnhealthy
17 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 10%
Health Risk Level:
Extreme
In 2026, 10% of 220 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
Hanoi, Ha Noi, Vietnam
AQI levels in 2026
AQI (US)
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 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
128AQI (US)
128AQI (US)
2nd January 2026
72AQI (US)
72AQI (US)
3rd January 2026
121AQI (US)
121AQI (US)
4th January 2026
156AQI (US)
156AQI (US)
5th January 2026
111AQI (US)
111AQI (US)
6th January 2026
72AQI (US)
72AQI (US)
7th January 2026
124AQI (US)
124AQI (US)
8th January 2026
145AQI (US)
145AQI (US)
9th January 2026
182AQI (US)
182AQI (US)
10th January 2026
169AQI (US)
169AQI (US)
11th January 2026
170AQI (US)
170AQI (US)
12th January 2026
162AQI (US)
162AQI (US)
13th January 2026
186AQI (US)
186AQI (US)
14th January 2026
171AQI (US)
171AQI (US)
15th January 2026
169AQI (US)
169AQI (US)
16th January 2026
156AQI (US)
156AQI (US)
17th January 2026
133AQI (US)
133AQI (US)
18th January 2026
133AQI (US)
133AQI (US)
19th January 2026
139AQI (US)
139AQI (US)
20th January 2026
112AQI (US)
112AQI (US)
21st January 2026
98AQI (US)
98AQI (US)
22nd January 2026
63AQI (US)
63AQI (US)
23rd January 2026
75AQI (US)
75AQI (US)
24th January 2026
104AQI (US)
104AQI (US)
25th January 2026
143AQI (US)
143AQI (US)
26th January 2026
157AQI (US)
157AQI (US)
27th January 2026
163AQI (US)
163AQI (US)
28th January 2026
153AQI (US)
153AQI (US)
29th January 2026
141AQI (US)
141AQI (US)
30th January 2026
103AQI (US)
103AQI (US)
31st January 2026
98AQI (US)
98AQI (US)
1st February 2026
92AQI (US)
92AQI (US)
2nd February 2026
125AQI (US)
125AQI (US)
3rd February 2026
155AQI (US)
155AQI (US)
4th February 2026
160AQI (US)
160AQI (US)
5th February 2026
157AQI (US)
157AQI (US)
6th February 2026
153AQI (US)
153AQI (US)
7th February 2026
84AQI (US)
84AQI (US)
8th February 2026
87AQI (US)
87AQI (US)
9th February 2026
46AQI (US)
46AQI (US)
10th February 2026
96AQI (US)
96AQI (US)
11th February 2026
91AQI (US)
91AQI (US)
12th February 2026
99AQI (US)
99AQI (US)
13th February 2026
89AQI (US)
89AQI (US)
14th February 2026
81AQI (US)
81AQI (US)
15th February 2026
91AQI (US)
91AQI (US)
16th February 2026
76AQI (US)
76AQI (US)
17th February 2026
124AQI (US)
124AQI (US)
18th February 2026
108AQI (US)
108AQI (US)
19th February 2026
104AQI (US)
104AQI (US)
20th February 2026
76AQI (US)
76AQI (US)
21st February 2026
99AQI (US)
99AQI (US)
22nd February 2026
59AQI (US)
59AQI (US)
23rd February 2026
69AQI (US)
69AQI (US)
24th February 2026
76AQI (US)
76AQI (US)
25th February 2026
87AQI (US)
87AQI (US)
26th February 2026
95AQI (US)
95AQI (US)
27th February 2026
96AQI (US)
96AQI (US)
28th February 2026
80AQI (US)
80AQI (US)
1st March 2026
83AQI (US)
83AQI (US)
2nd March 2026
74AQI (US)
74AQI (US)
3rd March 2026
57AQI (US)
57AQI (US)
4th March 2026
66AQI (US)
66AQI (US)
5th March 2026
105AQI (US)
105AQI (US)
6th March 2026
137AQI (US)
137AQI (US)
7th March 2026
109AQI (US)
109AQI (US)
8th March 2026
77AQI (US)
77AQI (US)
9th March 2026
66AQI (US)
66AQI (US)
10th March 2026
30AQI (US)
30AQI (US)
11th March 2026
76AQI (US)
76AQI (US)
12th March 2026
123AQI (US)
123AQI (US)
13th March 2026
119AQI (US)
119AQI (US)
14th March 2026
85AQI (US)
85AQI (US)
15th March 2026
80AQI (US)
80AQI (US)
16th March 2026
67AQI (US)
67AQI (US)
17th March 2026
65AQI (US)
65AQI (US)
18th March 2026
71AQI (US)
71AQI (US)
19th March 2026
70AQI (US)
70AQI (US)
20th March 2026
62AQI (US)
62AQI (US)
21st March 2026
80AQI (US)
80AQI (US)
22nd March 2026
78AQI (US)
78AQI (US)
23rd March 2026
67AQI (US)
67AQI (US)
24th March 2026
72AQI (US)
72AQI (US)
25th March 2026
67AQI (US)
67AQI (US)
26th March 2026
89AQI (US)
89AQI (US)
27th March 2026
75AQI (US)
75AQI (US)
28th March 2026
81AQI (US)
81AQI (US)
29th March 2026
82AQI (US)
82AQI (US)
30th March 2026
105AQI (US)
105AQI (US)
31st March 2026
102AQI (US)
102AQI (US)
1st April 2026
76AQI (US)
76AQI (US)
2nd April 2026
103AQI (US)
103AQI (US)
3rd April 2026
129AQI (US)
129AQI (US)
4th April 2026
102AQI (US)
102AQI (US)
5th April 2026
114AQI (US)
114AQI (US)
6th April 2026
151AQI (US)
151AQI (US)
7th April 2026
146AQI (US)
146AQI (US)
8th April 2026
110AQI (US)
110AQI (US)
9th April 2026
111AQI (US)
111AQI (US)
10th April 2026
113AQI (US)
113AQI (US)
11th April 2026
137AQI (US)
137AQI (US)
12th April 2026
138AQI (US)
138AQI (US)
13th April 2026
120AQI (US)
120AQI (US)
14th April 2026
106AQI (US)
106AQI (US)
15th April 2026
88AQI (US)
88AQI (US)
16th April 2026
74AQI (US)
74AQI (US)
17th April 2026
18th April 2026
103AQI (US)
103AQI (US)
19th April 2026
84AQI (US)
84AQI (US)
20th April 2026
90AQI (US)
90AQI (US)
21st April 2026
76AQI (US)
76AQI (US)
22nd April 2026
23rd April 2026
55AQI (US)
55AQI (US)
24th April 2026
69AQI (US)
69AQI (US)
25th April 2026
88AQI (US)
88AQI (US)
26th April 2026
78AQI (US)
78AQI (US)
27th April 2026
62AQI (US)
62AQI (US)
28th April 2026
57AQI (US)
57AQI (US)
29th April 2026
37AQI (US)
37AQI (US)
30th April 2026
36AQI (US)
36AQI (US)
1st May 2026
68AQI (US)
68AQI (US)
2nd May 2026
75AQI (US)
75AQI (US)
3rd May 2026
57AQI (US)
57AQI (US)
4th May 2026
41AQI (US)
41AQI (US)
5th May 2026
74AQI (US)
74AQI (US)
6th May 2026
72AQI (US)
72AQI (US)
7th May 2026
60AQI (US)
60AQI (US)
8th May 2026
63AQI (US)
63AQI (US)
9th May 2026
10th May 2026
96AQI (US)
96AQI (US)
11th May 2026
93AQI (US)
93AQI (US)
12th May 2026
65AQI (US)
65AQI (US)
13th May 2026
56AQI (US)
56AQI (US)
14th May 2026
65AQI (US)
65AQI (US)
15th May 2026
76AQI (US)
76AQI (US)
16th May 2026
77AQI (US)
77AQI (US)
17th May 2026
75AQI (US)
75AQI (US)
18th May 2026
70AQI (US)
70AQI (US)
19th May 2026
54AQI (US)
54AQI (US)
20th May 2026
62AQI (US)
62AQI (US)
21st May 2026
72AQI (US)
72AQI (US)
22nd May 2026
70AQI (US)
70AQI (US)
23rd May 2026
55AQI (US)
55AQI (US)
24th May 2026
63AQI (US)
63AQI (US)
25th May 2026
59AQI (US)
59AQI (US)
26th May 2026
51AQI (US)
51AQI (US)
27th May 2026
85AQI (US)
85AQI (US)
28th May 2026
52AQI (US)
52AQI (US)
29th May 2026
80AQI (US)
80AQI (US)
30th May 2026
77AQI (US)
77AQI (US)
31st May 2026
89AQI (US)
89AQI (US)
1st June 2026
104AQI (US)
104AQI (US)
2nd June 2026
81AQI (US)
81AQI (US)
3rd June 2026
82AQI (US)
82AQI (US)
4th June 2026
96AQI (US)
96AQI (US)
5th June 2026
66AQI (US)
66AQI (US)
6th June 2026
72AQI (US)
72AQI (US)
7th June 2026
46AQI (US)
46AQI (US)
8th June 2026
59AQI (US)
59AQI (US)
9th June 2026
40AQI (US)
40AQI (US)
10th June 2026
61AQI (US)
61AQI (US)
11th June 2026
90AQI (US)
90AQI (US)
12th June 2026
87AQI (US)
87AQI (US)
13th June 2026
62AQI (US)
62AQI (US)
14th June 2026
65AQI (US)
65AQI (US)
15th June 2026
73AQI (US)
73AQI (US)
16th June 2026
93AQI (US)
93AQI (US)
17th June 2026
71AQI (US)
71AQI (US)
18th June 2026
68AQI (US)
68AQI (US)
19th June 2026
54AQI (US)
54AQI (US)
20th June 2026
43AQI (US)
43AQI (US)
21st June 2026
52AQI (US)
52AQI (US)
22nd June 2026
48AQI (US)
48AQI (US)
23rd June 2026
51AQI (US)
51AQI (US)
24th June 2026
48AQI (US)
48AQI (US)
25th June 2026
51AQI (US)
51AQI (US)
26th June 2026
35AQI (US)
35AQI (US)
27th June 2026
82AQI (US)
82AQI (US)
28th June 2026
72AQI (US)
72AQI (US)
29th June 2026
66AQI (US)
66AQI (US)
30th June 2026
40AQI (US)
40AQI (US)
1st July 2026
56AQI (US)
56AQI (US)
2nd July 2026
70AQI (US)
70AQI (US)
3rd July 2026
71AQI (US)
71AQI (US)
4th July 2026
37AQI (US)
37AQI (US)
5th July 2026
49AQI (US)
49AQI (US)
6th July 2026
42AQI (US)
42AQI (US)
7th July 2026
78AQI (US)
78AQI (US)
8th July 2026
60AQI (US)
60AQI (US)
9th July 2026
65AQI (US)
65AQI (US)
10th July 2026
41AQI (US)
41AQI (US)
11th July 2026
88AQI (US)
88AQI (US)
12th July 2026
90AQI (US)
90AQI (US)
13th July 2026
86AQI (US)
86AQI (US)
14th July 2026
58AQI (US)
58AQI (US)
15th July 2026
60AQI (US)
60AQI (US)
16th July 2026
65AQI (US)
65AQI (US)
17th July 2026
40AQI (US)
40AQI (US)
18th July 2026
43AQI (US)
43AQI (US)
19th July 2026
47AQI (US)
47AQI (US)
20th July 2026
75AQI (US)
75AQI (US)
21st July 2026
104AQI (US)
104AQI (US)
22nd July 2026
87AQI (US)
87AQI (US)
23rd July 2026
61AQI (US)
61AQI (US)
24th July 2026
51AQI (US)
51AQI (US)
25th July 2026
67AQI (US)
67AQI (US)
26th July 2026
84AQI (US)
84AQI (US)
27th July 2026
56AQI (US)
56AQI (US)
28th July 2026
44AQI (US)
44AQI (US)
29th July 2026
52AQI (US)
52AQI (US)
30th July 2026
64AQI (US)
64AQI (US)
31st July 2026
45AQI (US)
45AQI (US)
1st August 2026
44AQI (US)
44AQI (US)
2nd August 2026
54AQI (US)
54AQI (US)
3rd August 2026
61AQI (US)
61AQI (US)
4th August 2026
65AQI (US)
65AQI (US)
5th August 2026
52AQI (US)
52AQI (US)
6th August 2026
62AQI (US)
62AQI (US)
7th August 2026
60AQI (US)
60AQI (US)
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026
133AQI (US)
98AQI (US)
81AQI (US)
95AQI (US)
68AQI (US)
65AQI (US)
62AQI (US)
57AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202685AQI (US)
6
13
12
1
19
4
4
1
23
7
2
12
13
1
1
29
7
22
1
9
21
1
1
6
22
138
39
17
Highest AQI (US) recorded in
January133AQI (US)
Lowest AQI (US) recorded in
August57AQI (US)
202587AQI (US)
4
20
7
15
12
1
19
12
19
11
31
1
29
5
26
18
13
20
10
18
13
3
11
11
5
5
11
14
1
47
200
90
27
1
Highest AQI (US) recorded in
December146AQI (US)
Lowest AQI (US) recorded in
August48AQI (US)
202478AQI (US)
1
21
9
4
15
9
1
21
9
1
19
11
1
27
3
30
8
23
30
1
9
13
5
3
7
11
11
2
1
27
2
16
14
1
61
224
73
8
Highest AQI (US) recorded in
December102AQI (US)
Lowest AQI (US) recorded in
August37AQI (US)
202378AQI (US)
13
17
1
13
15
1
18
12
2
20
8
8
23
10
20
15
16
8
21
2
5
23
2
2
24
5
4
16
9
1
22
8
56
229
78
1
Highest AQI (US) recorded in
January108AQI (US)
Lowest AQI (US) recorded in
July53AQI (US)
202256AQI (US)
6
15
7
3
14
7
1
12
19
18
12
27
4
23
7
22
2
3
13
16
25
6
5
20
5
4
12
15
172
120
28
3
Highest AQI (US) recorded in
December91AQI (US)
Lowest AQI (US) recorded in
August22AQI (US)
202171AQI (US)
1
8
10
11
1
1
15
12
3
23
5
9
19
2
15
15
1
13
16
1
21
10
21
9
1
15
15
15
14
2
8
13
8
1
15
12
4
122
172
54
16
1
Highest AQI (US) recorded in
January135AQI (US)
Lowest AQI (US) recorded in
July41AQI (US)
202074AQI (US)
6
7
6
13
2
8
10
7
15
8
23
8
20
11
16
14
16
15
30
2
14
14
1
84
127
52
3
Highest AQI (US) recorded in
April119AQI (US)
Lowest AQI (US) recorded in
August49AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
87AQI (US)Least Polluted Year Recorded
2022(Avg.)
56AQI (US)Hanoi's annual 2026 AQI (US) (85) shows an average percentage change of 17.003% (worsened AQI (US)) compared to previous years: 2020 (74), 2021 (71), 2022 (56), 2023 (78), 2024 (78), 2025 (87).
