Hanoi US Embassy, Hanoi, Ha Noi, Vietnam Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
August Air Quality Analysis
Hanoi US Embassy, Hanoi, Ha Noi, Vietnam
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
9th Aug 2021
153AQILowest AQI recorded on
15th Aug 2024
3AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 56 of Moderate air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Hanoi US Embassy, Hanoi, Ha Noi, Vietnam
AQI
Day
Night
.
5 AM5th Aug 2025
6 PM
4 AM6th Aug 2025
Day time
Avg. Highest Time
12PM5th Aug
59AQI
Avg. Lowest Time
5PM5th Aug
49AQI
Night time
Avg. Highest Time
4AM6th Aug
57AQI
Avg. Lowest Time
10PM5th Aug
52AQI
In the last 24 hours,
Hanoi US Embassy's AQI reached its highest point of 59 at 12 PM during the Day, while the lowest point, 49, was recorded at 5 PM during the Day between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hanoi US Embassy, Hanoi, Ha Noi, Vietnam
JulAug
07th - 08th08th - 09th09th - 10th10th - 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
Day
Night
7th Jul 2025605 AMAQI
7th Jul 2025616 AMAQI
7th Jul 2025717 AMAQI
7th Jul 2025768 AMAQI
7th Jul 2025829 AMAQI
7th Jul 20258210 AMAQI
7th Jul 20258211 AMAQI
7th Jul 20258012 PMAQI
7th Jul 2025721 PMAQI
7th Jul 2025772 PMAQI
7th Jul 2025763 PMAQI
7th Jul 2025734 PMAQI
7th Jul 2025695 PMAQI
7th Jul 2025686 PMAQI
7th Jul 2025687 PMAQI
7th Jul 2025698 PMAQI
7th Jul 2025689 PMAQI
7th Jul 20256510 PMAQI
7th Jul 20256411 PMAQI
8th Jul 20256012 AMAQI
8th Jul 2025611 AMAQI
8th Jul 2025612 AMAQI
8th Jul 2025643 AMAQI
8th Jul 2025644 AMAQI
30°C26/35°C
8th Jul 2025645 AMAQI
8th Jul 2025636 AMAQI
8th Jul 2025647 AMAQI
8th Jul 2025728 AMAQI
8th Jul 2025729 AMAQI
8th Jul 20257110 AMAQI
8th Jul 20256611 AMAQI
8th Jul 20256812 PMAQI
8th Jul 2025701 PMAQI
8th Jul 2025722 PMAQI
8th Jul 2025723 PMAQI
8th Jul 2025714 PMAQI
8th Jul 2025725 PMAQI
8th Jul 2025606 PMAQI
8th Jul 2025577 PMAQI
8th Jul 2025558 PMAQI
8th Jul 2025639 PMAQI
8th Jul 20256410 PMAQI
8th Jul 20256611 PMAQI
9th Jul 20257012 AMAQI
9th Jul 2025611 AMAQI
9th Jul 2025642 AMAQI
9th Jul 2025643 AMAQI
9th Jul 2025624 AMAQI
31°C27/37°C
9th Jul 2025635 AMAQI
9th Jul 2025636 AMAQI
9th Jul 2025767 AMAQI
9th Jul 2025788 AMAQI
9th Jul 2025769 AMAQI
9th Jul 20257810 AMAQI
9th Jul 20257311 AMAQI
9th Jul 20257312 PMAQI
9th Jul 2025741 PMAQI
9th Jul 2025692 PMAQI
9th Jul 2025703 PMAQI
9th Jul 2025694 PMAQI
9th Jul 2025705 PMAQI
9th Jul 2025696 PMAQI
9th Jul 2025677 PMAQI
9th Jul 2025748 PMAQI
9th Jul 2025849 PMAQI
9th Jul 20257910 PMAQI
9th Jul 20257211 PMAQI
10th Jul 20257212 AMAQI
10th Jul 2025661 AMAQI
10th Jul 2025652 AMAQI
10th Jul 2025663 AMAQI
10th Jul 2025654 AMAQI
32°C28/37°C
10th Jul 2025665 AMAQI
10th Jul 2025666 AMAQI
10th Jul 2025517 AMAQI
10th Jul 2025498 AMAQI
10th Jul 2025509 AMAQI
10th Jul 20255110 AMAQI
10th Jul 20255411 AMAQI
10th Jul 20255412 PMAQI
10th Jul 2025561 PMAQI
10th Jul 2025542 PMAQI
10th Jul 2025493 PMAQI
10th Jul 2025504 PMAQI
10th Jul 2025525 PMAQI
10th Jul 2025546 PMAQI
10th Jul 2025567 PMAQI
10th Jul 2025598 PMAQI
10th Jul 2025629 PMAQI
10th Jul 20256210 PMAQI
10th Jul 20255911 PMAQI
11th Jul 20256012 AMAQI
11th Jul 2025641 AMAQI
11th Jul 2025622 AMAQI
11th Jul 2025623 AMAQI
11th Jul 2025614 AMAQI
30°C26/35°C
11th Jul 2025605 AMAQI
11th Jul 2025606 AMAQI
11th Jul 2025547 AMAQI
11th Jul 2025528 AMAQI
11th Jul 2025569 AMAQI
11th Jul 20255710 AMAQI
11th Jul 20255311 AMAQI
11th Jul 20255412 PMAQI
11th Jul 2025581 PMAQI
11th Jul 2025582 PMAQI
11th Jul 2025603 PMAQI
11th Jul 2025644 PMAQI
11th Jul 2025605 PMAQI
11th Jul 2025586 PMAQI
11th Jul 2025577 PMAQI
11th Jul 2025578 PMAQI
11th Jul 2025579 PMAQI
11th Jul 20255610 PMAQI
11th Jul 20255311 PMAQI
12th Jul 20255412 AMAQI
12th Jul 2025601 AMAQI
12th Jul 2025602 AMAQI
12th Jul 2025583 AMAQI
12th Jul 2025584 AMAQI
29°C26/33°C
12th Jul 2025585 AMAQI
12th Jul 2025586 AMAQI
12th Jul 2025597 AMAQI
12th Jul 2025578 AMAQI
12th Jul 2025589 AMAQI
12th Jul 20255910 AMAQI
12th Jul 20255611 AMAQI
12th Jul 20255612 PMAQI
12th Jul 2025581 PMAQI
12th Jul 2025562 PMAQI
12th Jul 2025573 PMAQI
12th Jul 2025574 PMAQI
12th Jul 2025565 PMAQI
12th Jul 2025526 PMAQI
12th Jul 2025527 PMAQI
12th Jul 2025518 PMAQI
12th Jul 2025549 PMAQI
12th Jul 20255210 PMAQI
12th Jul 20255311 PMAQI
13th Jul 20255612 AMAQI
13th Jul 2025591 AMAQI
13th Jul 2025582 AMAQI
13th Jul 2025583 AMAQI
13th Jul 2025584 AMAQI
29°C26/34°C
13th Jul 2025585 AMAQI
13th Jul 2025586 AMAQI
13th Jul 2025627 AMAQI
13th Jul 2025668 AMAQI
13th Jul 2025639 AMAQI
13th Jul 20256310 AMAQI
13th Jul 20256011 AMAQI
13th Jul 20255812 PMAQI
13th Jul 2025561 PMAQI
13th Jul 2025592 PMAQI
13th Jul 2025653 PMAQI
13th Jul 2025584 PMAQI
13th Jul 2025565 PMAQI
13th Jul 2025556 PMAQI
13th Jul 2025577 PMAQI
13th Jul 2025608 PMAQI
13th Jul 2025639 PMAQI
13th Jul 20256710 PMAQI
13th Jul 20256811 PMAQI
14th Jul 20256612 AMAQI
14th Jul 2025621 AMAQI
14th Jul 2025582 AMAQI
14th Jul 2025583 AMAQI
14th Jul 2025584 AMAQI
29°C26/34°C
14th Jul 2025585 AMAQI
14th Jul 2025586 AMAQI
14th Jul 2025827 AMAQI
14th Jul 20251148 AMAQI
14th Jul 20251059 AMAQI
14th Jul 202511910 AMAQI
14th Jul 20259111 AMAQI
14th Jul 20258412 PMAQI
14th Jul 2025881 PMAQI
14th Jul 20251002 PMAQI
14th Jul 20251013 PMAQI
14th Jul 2025914 PMAQI
14th Jul 2025845 PMAQI
14th Jul 2025716 PMAQI
14th Jul 2025647 PMAQI
14th Jul 2025708 PMAQI
14th Jul 2025669 PMAQI
14th Jul 20257010 PMAQI
14th Jul 20256611 PMAQI
15th Jul 20256412 AMAQI
15th Jul 2025621 AMAQI
15th Jul 2025622 AMAQI
15th Jul 2025683 AMAQI
15th Jul 2025674 AMAQI
31°C27/35°C
15th Jul 2025685 AMAQI
15th Jul 2025686 AMAQI
15th Jul 2025827 AMAQI
15th Jul 20251048 AMAQI
15th Jul 20251009 AMAQI
15th Jul 202511810 AMAQI
15th Jul 20259711 AMAQI
15th Jul 202511812 PMAQI
15th Jul 20251141 PMAQI
15th Jul 20251272 PMAQI
15th Jul 20251273 PMAQI
15th Jul 20251204 PMAQI
15th Jul 20251155 PMAQI
15th Jul 20251196 PMAQI
15th Jul 20251077 PMAQI
15th Jul 2025868 PMAQI
15th Jul 2025809 PMAQI
15th Jul 20257610 PMAQI
15th Jul 20256611 PMAQI
16th Jul 20256612 AMAQI
16th Jul 2025641 AMAQI
16th Jul 2025662 AMAQI
16th Jul 2025713 AMAQI
16th Jul 2025724 AMAQI
30°C28/34°C
16th Jul 2025725 AMAQI
16th Jul 2025726 AMAQI
16th Jul 2025597 AMAQI
16th Jul 2025578 AMAQI
16th Jul 2025609 AMAQI
16th Jul 20256410 AMAQI
16th Jul 20257111 AMAQI
16th Jul 20256412 PMAQI
16th Jul 2025591 PMAQI
16th Jul 2025622 PMAQI
16th Jul 2025673 PMAQI
16th Jul 2025664 PMAQI
16th Jul 2025585 PMAQI
16th Jul 2025566 PMAQI
16th Jul 2025607 PMAQI
16th Jul 2025618 PMAQI
16th Jul 2025629 PMAQI
16th Jul 20255910 PMAQI
16th Jul 20255711 PMAQI
17th Jul 20255912 AMAQI
17th Jul 2025661 AMAQI
17th Jul 2025662 AMAQI
17th Jul 2025653 AMAQI
17th Jul 2025664 AMAQI
31°C27/35°C
17th Jul 2025665 AMAQI
17th Jul 2025676 AMAQI
17th Jul 2025597 AMAQI
17th Jul 2025608 AMAQI
17th Jul 2025669 AMAQI
17th Jul 20256610 AMAQI
17th Jul 20256711 AMAQI
17th Jul 20256512 PMAQI
17th Jul 2025611 PMAQI
17th Jul 2025602 PMAQI
17th Jul 2025603 PMAQI
17th Jul 2025574 PMAQI
17th Jul 2025585 PMAQI
17th Jul 2025586 PMAQI
17th Jul 2025617 PMAQI
17th Jul 2025648 PMAQI
17th Jul 2025649 PMAQI
17th Jul 20256510 PMAQI
17th Jul 20256611 PMAQI
18th Jul 20256612 AMAQI
18th Jul 2025641 AMAQI
18th Jul 2025632 AMAQI
18th Jul 2025633 AMAQI
18th Jul 2025634 AMAQI
31°C27/37°C
18th Jul 2025635 AMAQI
18th Jul 2025636 AMAQI
18th Jul 2025627 AMAQI
18th Jul 2025668 AMAQI
18th Jul 2025649 AMAQI
18th Jul 20256510 AMAQI
18th Jul 20256811 AMAQI
18th Jul 20256712 PMAQI
18th Jul 2025721 PMAQI
18th Jul 2025722 PMAQI
18th Jul 2025683 PMAQI
18th Jul 2025694 PMAQI
18th Jul 2025665 PMAQI
18th Jul 2025596 PMAQI
18th Jul 2025557 PMAQI
18th Jul 2025588 PMAQI
18th Jul 2025549 PMAQI
18th Jul 20255310 PMAQI
18th Jul 20255511 PMAQI
19th Jul 20256012 AMAQI
19th Jul 2025631 AMAQI
19th Jul 2025632 AMAQI
19th Jul 2025643 AMAQI
19th Jul 2025644 AMAQI
32°C28/37°C
19th Jul 2025655 AMAQI
19th Jul 2025656 AMAQI
19th Jul 20251107 AMAQI
19th Jul 20251088 AMAQI
19th Jul 20251319 AMAQI
19th Jul 202510210 AMAQI
19th Jul 202510011 AMAQI
19th Jul 202510112 PMAQI
19th Jul 2025931 PMAQI
19th Jul 2025832 PMAQI
19th Jul 2025853 PMAQI
19th Jul 2025824 PMAQI
19th Jul 2025765 PMAQI
19th Jul 2025726 PMAQI
19th Jul 2025707 PMAQI
19th Jul 2025668 PMAQI
19th Jul 2025619 PMAQI
19th Jul 20255510 PMAQI
19th Jul 20255211 PMAQI
20th Jul 20255712 AMAQI
20th Jul 2025641 AMAQI
20th Jul 2025662 AMAQI
20th Jul 2025703 AMAQI
20th Jul 2025704 AMAQI
31°C25/37°C
20th Jul 2025695 AMAQI
20th Jul 2025706 AMAQI
20th Jul 2025647 AMAQI
20th Jul 2025568 AMAQI
20th Jul 2025549 AMAQI
20th Jul 20255710 AMAQI
20th Jul 20255911 AMAQI
20th Jul 20256012 PMAQI
20th Jul 2025581 PMAQI
20th Jul 2025642 PMAQI
20th Jul 2025653 PMAQI
20th Jul 2025674 PMAQI
20th Jul 2025705 PMAQI
20th Jul 2025646 PMAQI
20th Jul 2025687 PMAQI
20th Jul 2025688 PMAQI
20th Jul 2025759 PMAQI
20th Jul 20257010 PMAQI
20th Jul 20256611 PMAQI
21st Jul 20256912 AMAQI
21st Jul 2025681 AMAQI
21st Jul 2025632 AMAQI
21st Jul 2025633 AMAQI
21st Jul 2025634 AMAQI
28°C25/31°C
21st Jul 2025635 AMAQI
21st Jul 2025646 AMAQI
21st Jul 2025667 AMAQI
21st Jul 2025728 AMAQI
21st Jul 2025699 AMAQI
21st Jul 20257310 AMAQI
21st Jul 20256211 AMAQI
21st Jul 20256012 PMAQI
21st Jul 2025591 PMAQI
21st Jul 2025612 PMAQI
21st Jul 2025613 PMAQI
21st Jul 2025594 PMAQI
21st Jul 2025565 PMAQI
21st Jul 2025586 PMAQI
21st Jul 2025547 PMAQI
21st Jul 2025548 PMAQI
21st Jul 2025529 PMAQI
21st Jul 20255210 PMAQI
21st Jul 20255211 PMAQI
22nd Jul 20255512 AMAQI
22nd Jul 2025621 AMAQI
22nd Jul 2025622 AMAQI
22nd Jul 2025633 AMAQI
22nd Jul 2025624 AMAQI
26°C25/27°C
22nd Jul 2025625 AMAQI
22nd Jul 2025626 AMAQI
22nd Jul 2025467 AMAQI
22nd Jul 2025338 AMAQI
22nd Jul 2025289 AMAQI
22nd Jul 20252610 AMAQI
22nd Jul 20252711 AMAQI
22nd Jul 20252512 PMAQI
22nd Jul 2025241 PMAQI
22nd Jul 2025282 PMAQI
22nd Jul 2025263 PMAQI
22nd Jul 2025284 PMAQI
22nd Jul 2025285 PMAQI
22nd Jul 2025266 PMAQI
22nd Jul 2025297 PMAQI
22nd Jul 2025278 PMAQI
22nd Jul 2025299 PMAQI
22nd Jul 20252910 PMAQI
22nd Jul 20252911 PMAQI
23rd Jul 20253812 AMAQI
23rd Jul 2025591 AMAQI
23rd Jul 2025582 AMAQI
23rd Jul 2025583 AMAQI
23rd Jul 2025584 AMAQI
27°C25/29°C
23rd Jul 2025575 AMAQI
23rd Jul 2025576 AMAQI
23rd Jul 2025417 AMAQI
23rd Jul 2025488 AMAQI
23rd Jul 2025539 AMAQI
23rd Jul 20255210 AMAQI
23rd Jul 20254911 AMAQI
23rd Jul 20254312 PMAQI
23rd Jul 2025461 PMAQI
23rd Jul 2025422 PMAQI
23rd Jul 2025443 PMAQI
23rd Jul 2025474 PMAQI
23rd Jul 2025425 PMAQI
23rd Jul 2025506 PMAQI
23rd Jul 2025517 PMAQI
23rd Jul 2025538 PMAQI
23rd Jul 2025569 PMAQI
23rd Jul 20255410 PMAQI
23rd Jul 20255011 PMAQI
24th Jul 20254812 AMAQI
24th Jul 2025551 AMAQI
24th Jul 2025562 AMAQI
24th Jul 2025563 AMAQI
24th Jul 2025564 AMAQI
28°C26/31°C
24th Jul 2025565 AMAQI
24th Jul 2025566 AMAQI
24th Jul 2025537 AMAQI
24th Jul 2025538 AMAQI
24th Jul 2025549 AMAQI
24th Jul 20255410 AMAQI
24th Jul 20255011 AMAQI
24th Jul 20254612 PMAQI
24th Jul 2025431 PMAQI
24th Jul 2025422 PMAQI
24th Jul 2025403 PMAQI
24th Jul 2025394 PMAQI
24th Jul 2025465 PMAQI
24th Jul 2025486 PMAQI
24th Jul 2025467 PMAQI
24th Jul 2025488 PMAQI
24th Jul 2025519 PMAQI
24th Jul 20255110 PMAQI
24th Jul 20255011 PMAQI
25th Jul 20255212 AMAQI
25th Jul 2025551 AMAQI
25th Jul 2025552 AMAQI
25th Jul 2025543 AMAQI
25th Jul 2025554 AMAQI
28°C26/32°C
25th Jul 2025545 AMAQI
25th Jul 2025546 AMAQI
25th Jul 2025647 AMAQI
25th Jul 2025678 AMAQI
25th Jul 2025689 AMAQI
25th Jul 20256410 AMAQI
25th Jul 20256611 AMAQI
25th Jul 20256412 PMAQI
25th Jul 2025621 PMAQI
25th Jul 2025642 PMAQI
25th Jul 2025683 PMAQI
25th Jul 2025764 PMAQI
25th Jul 2025715 PMAQI
25th Jul 2025576 PMAQI
25th Jul 2025647 PMAQI
25th Jul 2025668 PMAQI
25th Jul 2025679 PMAQI
25th Jul 20256010 PMAQI
25th Jul 20255411 PMAQI
26th Jul 20256012 AMAQI
26th Jul 2025591 AMAQI
26th Jul 2025562 AMAQI
26th Jul 2025583 AMAQI
26th Jul 2025584 AMAQI
29°C25/34°C
26th Jul 2025585 AMAQI
26th Jul 2025586 AMAQI
26th Jul 2025667 AMAQI
26th Jul 2025668 AMAQI
26th Jul 2025679 AMAQI
26th Jul 20257610 AMAQI
26th Jul 20258211 AMAQI
26th Jul 20257612 PMAQI
26th Jul 2025761 PMAQI
26th Jul 2025772 PMAQI
26th Jul 2025763 PMAQI
26th Jul 2025754 PMAQI
26th Jul 2025755 PMAQI
26th Jul 2025646 PMAQI
26th Jul 2025617 PMAQI
26th Jul 2025648 PMAQI
26th Jul 2025609 PMAQI
26th Jul 20255510 PMAQI
26th Jul 20255511 PMAQI
27th Jul 20255412 AMAQI
27th Jul 2025581 AMAQI
27th Jul 2025572 AMAQI
27th Jul 2025583 AMAQI
27th Jul 2025584 AMAQI
29°C26/35°C
27th Jul 2025585 AMAQI
27th Jul 2025586 AMAQI
27th Jul 2025617 AMAQI
27th Jul 2025708 AMAQI
27th Jul 2025729 AMAQI
27th Jul 20256810 AMAQI
27th Jul 20256611 AMAQI
27th Jul 20256612 PMAQI
27th Jul 2025671 PMAQI
27th Jul 2025702 PMAQI
27th Jul 2025683 PMAQI
27th Jul 2025684 PMAQI
27th Jul 2025655 PMAQI
27th Jul 2025706 PMAQI
27th Jul 2025637 PMAQI
27th Jul 2025678 PMAQI
27th Jul 2025669 PMAQI
27th Jul 20256410 PMAQI
27th Jul 20256311 PMAQI
28th Jul 20256212 AMAQI
28th Jul 2025581 AMAQI
28th Jul 2025582 AMAQI
28th Jul 2025583 AMAQI
28th Jul 2025584 AMAQI
30°C26/36°C
28th Jul 2025585 AMAQI
28th Jul 2025586 AMAQI
28th Jul 2025677 AMAQI
28th Jul 2025748 AMAQI
28th Jul 2025769 AMAQI
28th Jul 20258210 AMAQI
28th Jul 20257211 AMAQI
28th Jul 20257112 PMAQI
28th Jul 2025781 PMAQI
28th Jul 2025722 PMAQI
28th Jul 2025753 PMAQI
28th Jul 2025714 PMAQI
28th Jul 2025745 PMAQI
28th Jul 2025686 PMAQI
28th Jul 2025667 PMAQI
28th Jul 2025688 PMAQI
28th Jul 2025789 PMAQI
28th Jul 20257710 PMAQI
28th Jul 20257211 PMAQI
29th Jul 20256612 AMAQI
29th Jul 2025581 AMAQI
29th Jul 2025602 AMAQI
29th Jul 2025623 AMAQI
29th Jul 2025624 AMAQI
31°C27/35°C
29th Jul 2025625 AMAQI
29th Jul 2025626 AMAQI
29th Jul 2025857 AMAQI
29th Jul 20251158 AMAQI
29th Jul 20251309 AMAQI
29th Jul 202511610 AMAQI
29th Jul 202511211 AMAQI
29th Jul 202510312 PMAQI
29th Jul 2025981 PMAQI
29th Jul 2025812 PMAQI
29th Jul 2025793 PMAQI
29th Jul 2025774 PMAQI
29th Jul 2025765 PMAQI
29th Jul 2025726 PMAQI
29th Jul 2025687 PMAQI
29th Jul 2025738 PMAQI
29th Jul 2025739 PMAQI
29th Jul 20256810 PMAQI
29th Jul 20256811 PMAQI
30th Jul 20256812 AMAQI
30th Jul 2025661 AMAQI
30th Jul 2025642 AMAQI
30th Jul 2025683 AMAQI
30th Jul 2025684 AMAQI
32°C28/36°C
30th Jul 2025685 AMAQI
30th Jul 2025686 AMAQI
30th Jul 2025697 AMAQI
30th Jul 2025828 AMAQI
30th Jul 2025949 AMAQI
30th Jul 20258410 AMAQI
30th Jul 20257811 AMAQI
30th Jul 20257612 PMAQI
30th Jul 2025801 PMAQI
30th Jul 2025852 PMAQI
30th Jul 2025883 PMAQI
30th Jul 2025824 PMAQI
30th Jul 2025745 PMAQI
30th Jul 2025676 PMAQI
30th Jul 2025697 PMAQI
30th Jul 2025608 PMAQI
30th Jul 2025599 PMAQI
30th Jul 20255910 PMAQI
30th Jul 20255811 PMAQI
31st Jul 20256012 AMAQI
31st Jul 2025541 AMAQI
31st Jul 2025612 AMAQI
31st Jul 2025613 AMAQI
31st Jul 2025614 AMAQI
32°C28/37°C
31st Jul 2025615 AMAQI
31st Jul 2025616 AMAQI
31st Jul 2025617 AMAQI
31st Jul 2025618 AMAQI
31st Jul 2025669 AMAQI
31st Jul 20256810 AMAQI
31st Jul 20256811 AMAQI
31st Jul 20256812 PMAQI
31st Jul 2025651 PMAQI
31st Jul 2025662 PMAQI
31st Jul 2025633 PMAQI
31st Jul 2025624 PMAQI
31st Jul 2025615 PMAQI
31st Jul 2025586 PMAQI
31st Jul 2025587 PMAQI
31st Jul 2025628 PMAQI
31st Jul 2025619 PMAQI
31st Jul 20256010 PMAQI
31st Jul 20256111 PMAQI
1st Aug 20255512 AMAQI
1st Aug 2025571 AMAQI
1st Aug 2025532 AMAQI
1st Aug 2025543 AMAQI
1st Aug 2025534 AMAQI
32°C29/36°C
1st Aug 2025545 AMAQI
1st Aug 2025556 AMAQI
1st Aug 2025647 AMAQI
1st Aug 2025628 AMAQI
1st Aug 2025589 AMAQI
1st Aug 20255910 AMAQI
1st Aug 20255611 AMAQI
1st Aug 20255412 PMAQI
1st Aug 2025431 PMAQI
1st Aug 2025522 PMAQI
1st Aug 2025453 PMAQI
1st Aug 2025444 PMAQI
1st Aug 2025545 PMAQI
1st Aug 2025506 PMAQI
1st Aug 2025517 PMAQI
1st Aug 2025498 PMAQI
1st Aug 2025559 PMAQI
1st Aug 20255610 PMAQI
1st Aug 20255511 PMAQI
2nd Aug 20255512 AMAQI
2nd Aug 2025561 AMAQI
2nd Aug 2025562 AMAQI
2nd Aug 2025563 AMAQI
2nd Aug 2025564 AMAQI
28°C26/29°C
2nd Aug 2025565 AMAQI
2nd Aug 2025566 AMAQI
2nd Aug 2025487 AMAQI
2nd Aug 2025518 AMAQI
2nd Aug 2025489 AMAQI
2nd Aug 20255310 AMAQI
2nd Aug 20254911 AMAQI
2nd Aug 20255212 PMAQI
2nd Aug 2025521 PMAQI
2nd Aug 2025482 PMAQI
2nd Aug 2025563 PMAQI
2nd Aug 2025554 PMAQI
2nd Aug 2025615 PMAQI
2nd Aug 2025606 PMAQI
2nd Aug 2025567 PMAQI
2nd Aug 2025588 PMAQI
2nd Aug 2025609 PMAQI
2nd Aug 20255610 PMAQI
2nd Aug 20255611 PMAQI
3rd Aug 20255612 AMAQI
3rd Aug 2025561 AMAQI
3rd Aug 2025562 AMAQI
3rd Aug 2025553 AMAQI
3rd Aug 2025564 AMAQI
31°C26/37°C
3rd Aug 2025555 AMAQI
3rd Aug 2025566 AMAQI
3rd Aug 2025567 AMAQI
3rd Aug 2025618 AMAQI
3rd Aug 2025649 AMAQI
3rd Aug 20256410 AMAQI
3rd Aug 20256211 AMAQI
3rd Aug 20257112 PMAQI
3rd Aug 2025561 PMAQI
3rd Aug 2025602 PMAQI
3rd Aug 2025523 PMAQI
3rd Aug 2025534 PMAQI
3rd Aug 2025485 PMAQI
3rd Aug 2025486 PMAQI
3rd Aug 2025547 PMAQI
3rd Aug 2025568 PMAQI
3rd Aug 2025609 PMAQI
3rd Aug 20255810 PMAQI
3rd Aug 20255511 PMAQI
4th Aug 20255512 AMAQI
4th Aug 2025551 AMAQI
4th Aug 2025562 AMAQI
4th Aug 2025563 AMAQI
4th Aug 2025564 AMAQI
32°C28/38°C
4th Aug 2025565 AMAQI
4th Aug 2025576 AMAQI
4th Aug 2025577 AMAQI
4th Aug 2025578 AMAQI
4th Aug 2025549 AMAQI
4th Aug 20255410 AMAQI
4th Aug 20255911 AMAQI
4th Aug 20255412 PMAQI
4th Aug 2025631 PMAQI
4th Aug 2025582 PMAQI
4th Aug 2025533 PMAQI
4th Aug 2025504 PMAQI
4th Aug 2025535 PMAQI
4th Aug 2025556 PMAQI
4th Aug 2025557 PMAQI
4th Aug 2025588 PMAQI
4th Aug 2025589 PMAQI
4th Aug 20255610 PMAQI
4th Aug 20255711 PMAQI
5th Aug 20255712 AMAQI
5th Aug 2025561 AMAQI
5th Aug 2025562 AMAQI
5th Aug 2025563 AMAQI
5th Aug 2025574 AMAQI
31°C28/34°C
5th Aug 2025565 AMAQI
5th Aug 2025566 AMAQI
5th Aug 2025557 AMAQI
5th Aug 2025548 AMAQI
5th Aug 2025539 AMAQI
5th Aug 20255410 AMAQI
5th Aug 20255411 AMAQI
5th Aug 20255912 PMAQI
5th Aug 2025501 PMAQI
5th Aug 2025562 PMAQI
5th Aug 2025583 PMAQI
5th Aug 2025504 PMAQI
5th Aug 2025495 PMAQI
5th Aug 2025546 PMAQI
5th Aug 2025527 PMAQI
5th Aug 2025538 PMAQI
5th Aug 2025539 PMAQI
5th Aug 20255210 PMAQI
5th Aug 20255311 PMAQI
6th Aug 20255612 AMAQI
6th Aug 2025561 AMAQI
6th Aug 2025562 AMAQI
6th Aug 2025563 AMAQI
6th Aug 2025574 AMAQI
29°C26/31°C
6th Aug 2025565 AMAQI
5 AM6th Aug 2025556 AMAQI
6th Aug 2025367 AMAQI
11 AM
6 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
8 AM - 6 PM
66AQI
11 hours / Day
330 hours / Month
Avg. Lowest Time
5 AM - 7 AM
62AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 6 PM (Avg. 66), while the lowest AQI was between 5 AM to 7 AM (Avg. 62).
Night time
Avg. Highest Time
12 AM - 11 PM
60AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM - 11 PM
60AQI
10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 60), while the lowest AQI was between 12 AM to 11 PM (Avg. 60).
2025 Days Vs Air Quality
Hanoi US Embassy, Hanoi, Ha Noi, Vietnam
2025
1%
3
66%
143
27%
58
6%
12
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Good
3 DaysModerate
143 DaysPoor
58 DaysUnhealthy
12 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 1%
Health Risk Level:
Extreme
In 2025, 1% of 218 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
Hanoi US Embassy, Hanoi, Ha Noi, Vietnam
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
1st January 2025
126AQI
126AQI
2nd January 2025
151AQI
151AQI
3rd January 2025
134AQI
134AQI
4th January 2025
135AQI
135AQI
5th January 2025
141AQI
141AQI
6th January 2025
146AQI
146AQI
7th January 2025
148AQI
148AQI
8th January 2025
142AQI
142AQI
9th January 2025
151AQI
151AQI
10th January 2025
114AQI
114AQI
11th January 2025
118AQI
118AQI
12th January 2025
131AQI
131AQI
13th January 2025
149AQI
149AQI
14th January 2025
156AQI
156AQI
15th January 2025
154AQI
154AQI
16th January 2025
155AQI
155AQI
17th January 2025
159AQI
159AQI
18th January 2025
169AQI
169AQI
19th January 2025
167AQI
167AQI
20th January 2025
184AQI
184AQI
21st January 2025
167AQI
167AQI
22nd January 2025
167AQI
167AQI
23rd January 2025
149AQI
149AQI
24th January 2025
145AQI
145AQI
25th January 2025
118AQI
118AQI
26th January 2025
85AQI
85AQI
27th January 2025
99AQI
99AQI
28th January 2025
94AQI
94AQI
29th January 2025
127AQI
127AQI
30th January 2025
120AQI
120AQI
31st January 2025
106AQI
106AQI
1st February 2025
94AQI
94AQI
2nd February 2025
84AQI
84AQI
3rd February 2025
69AQI
69AQI
4th February 2025
82AQI
82AQI
5th February 2025
108AQI
108AQI
6th February 2025
116AQI
116AQI
7th February 2025
62AQI
62AQI
8th February 2025
77AQI
77AQI
9th February 2025
97AQI
97AQI
10th February 2025
141AQI
141AQI
11th February 2025
149AQI
149AQI
12th February 2025
166AQI
166AQI
13th February 2025
146AQI
146AQI
14th February 2025
146AQI
146AQI
15th February 2025
147AQI
147AQI
16th February 2025
89AQI
89AQI
17th February 2025
125AQI
125AQI
18th February 2025
76AQI
76AQI
19th February 2025
103AQI
103AQI
20th February 2025
138AQI
138AQI
21st February 2025
125AQI
125AQI
22nd February 2025
145AQI
145AQI
23rd February 2025
78AQI
78AQI
24th February 2025
86AQI
86AQI
25th February 2025
101AQI
101AQI
26th February 2025
92AQI
92AQI
27th February 2025
143AQI
143AQI
28th February 2025
109AQI
109AQI
1st March 2025
115AQI
115AQI
2nd March 2025
92AQI
92AQI
3rd March 2025
97AQI
97AQI
4th March 2025
95AQI
95AQI
5th March 2025
99AQI
99AQI
6th March 2025
76AQI
76AQI
7th March 2025
79AQI
79AQI
8th March 2025
101AQI
101AQI
9th March 2025
132AQI
132AQI
10th March 2025
142AQI
142AQI
11th March 2025
128AQI
128AQI
12th March 2025
103AQI
103AQI
13th March 2025
87AQI
87AQI
14th March 2025
95AQI
95AQI
15th March 2025
84AQI
84AQI
16th March 2025
68AQI
68AQI
17th March 2025
86AQI
86AQI
18th March 2025
90AQI
90AQI
19th March 2025
86AQI
86AQI
20th March 2025
96AQI
96AQI
21st March 2025
129AQI
129AQI
22nd March 2025
126AQI
126AQI
23rd March 2025
131AQI
131AQI
24th March 2025
137AQI
137AQI
25th March 2025
141AQI
141AQI
26th March 2025
118AQI
118AQI
27th March 2025
113AQI
113AQI
28th March 2025
107AQI
107AQI
29th March 2025
85AQI
85AQI
30th March 2025
65AQI
65AQI
31st March 2025
71AQI
71AQI
1st April 2025
96AQI
96AQI
2nd April 2025
133AQI
133AQI
3rd April 2025
114AQI
114AQI
4th April 2025
102AQI
102AQI
5th April 2025
119AQI
119AQI
6th April 2025
138AQI
138AQI
7th April 2025
126AQI
126AQI
8th April 2025
123AQI
123AQI
9th April 2025
103AQI
103AQI
10th April 2025
100AQI
100AQI
11th April 2025
100AQI
100AQI
12th April 2025
108AQI
108AQI
13th April 2025
95AQI
95AQI
14th April 2025
100AQI
100AQI
15th April 2025
105AQI
105AQI
16th April 2025
107AQI
107AQI
17th April 2025
97AQI
97AQI
18th April 2025
102AQI
102AQI
19th April 2025
96AQI
96AQI
20th April 2025
86AQI
86AQI
21st April 2025
86AQI
86AQI
22nd April 2025
97AQI
97AQI
23rd April 2025
98AQI
98AQI
24th April 2025
92AQI
92AQI
25th April 2025
85AQI
85AQI
26th April 2025
85AQI
85AQI
27th April 2025
75AQI
75AQI
28th April 2025
72AQI
72AQI
29th April 2025
83AQI
83AQI
30th April 2025
78AQI
78AQI
1st May 2025
67AQI
67AQI
2nd May 2025
89AQI
89AQI
3rd May 2025
85AQI
85AQI
4th May 2025
82AQI
82AQI
5th May 2025
85AQI
85AQI
6th May 2025
80AQI
80AQI
7th May 2025
81AQI
81AQI
8th May 2025
86AQI
86AQI
9th May 2025
82AQI
82AQI
10th May 2025
84AQI
84AQI
11th May 2025
59AQI
59AQI
12th May 2025
71AQI
71AQI
13th May 2025
69AQI
69AQI
14th May 2025
67AQI
67AQI
15th May 2025
62AQI
62AQI
16th May 2025
63AQI
63AQI
17th May 2025
58AQI
58AQI
18th May 2025
57AQI
57AQI
19th May 2025
61AQI
61AQI
20th May 2025
59AQI
59AQI
21st May 2025
58AQI
58AQI
22nd May 2025
57AQI
57AQI
23rd May 2025
55AQI
55AQI
24th May 2025
56AQI
56AQI
25th May 2025
56AQI
56AQI
26th May 2025
59AQI
59AQI
27th May 2025
79AQI
79AQI
28th May 2025
74AQI
74AQI
29th May 2025
60AQI
60AQI
30th May 2025
58AQI
58AQI
31st May 2025
58AQI
58AQI
1st June 2025
52AQI
52AQI
2nd June 2025
52AQI
52AQI
3rd June 2025
54AQI
54AQI
4th June 2025
61AQI
61AQI
5th June 2025
72AQI
72AQI
6th June 2025
61AQI
61AQI
7th June 2025
60AQI
60AQI
8th June 2025
60AQI
60AQI
9th June 2025
64AQI
64AQI
10th June 2025
59AQI
59AQI
11th June 2025
64AQI
64AQI
12th June 2025
63AQI
63AQI
13th June 2025
55AQI
55AQI
14th June 2025
64AQI
64AQI
15th June 2025
67AQI
67AQI
16th June 2025
66AQI
66AQI
17th June 2025
64AQI
64AQI
18th June 2025
58AQI
58AQI
19th June 2025
68AQI
68AQI
20th June 2025
69AQI
69AQI
21st June 2025
63AQI
63AQI
22nd June 2025
63AQI
63AQI
23rd June 2025
64AQI
64AQI
24th June 2025
64AQI
64AQI
25th June 2025
55AQI
55AQI
26th June 2025
58AQI
58AQI
27th June 2025
62AQI
62AQI
28th June 2025
56AQI
56AQI
29th June 2025
57AQI
57AQI
30th June 2025
54AQI
54AQI
1st July 2025
47AQI
47AQI
2nd July 2025
52AQI
52AQI
3rd July 2025
56AQI
56AQI
4th July 2025
64AQI
64AQI
5th July 2025
64AQI
64AQI
6th July 2025
59AQI
59AQI
7th July 2025
68AQI
68AQI
8th July 2025
65AQI
65AQI
9th July 2025
70AQI
70AQI
10th July 2025
59AQI
59AQI
11th July 2025
58AQI
58AQI
12th July 2025
56AQI
56AQI
13th July 2025
60AQI
60AQI
14th July 2025
76AQI
76AQI
15th July 2025
90AQI
90AQI
16th July 2025
64AQI
64AQI
17th July 2025
63AQI
63AQI
18th July 2025
62AQI
62AQI
19th July 2025
76AQI
76AQI
20th July 2025
65AQI
65AQI
21st July 2025
61AQI
61AQI
22nd July 2025
39AQI
39AQI
23rd July 2025
51AQI
51AQI
24th July 2025
50AQI
50AQI
25th July 2025
61AQI
61AQI
26th July 2025
65AQI
65AQI
27th July 2025
63AQI
63AQI
28th July 2025
68AQI
68AQI
29th July 2025
77AQI
77AQI
30th July 2025
71AQI
71AQI
31st July 2025
62AQI
62AQI
1st August 2025
54AQI
54AQI
2nd August 2025
55AQI
55AQI
3rd August 2025
56AQI
56AQI
4th August 2025
56AQI
56AQI
139AQI
111AQI
102AQI
100AQI
68AQI
61AQI
63AQI
55AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202591AQI
3
17
11
12
15
1
17
14
18
12
31
30
3
28
4
3
143
58
12
Highest AQI recorded in
January139AQI
Lowest AQI recorded in
August55AQI
202495AQI
10
16
4
1
12
16
1
5
18
8
2
26
2
18
13
22
7
1
30
1
18
13
10
12
7
1
1
12
15
3
21
8
1
14
15
2
29
171
142
23
1
Highest AQI recorded in
March126AQI
Lowest AQI recorded in
August32AQI
2023106AQI
1
9
21
9
14
5
8
10
13
7
21
2
16
13
2
1
21
8
4
21
6
22
9
15
15
10
19
2
14
10
1
2
8
4
11
3
5
27
144
136
50
5
Highest AQI recorded in
January154AQI
Lowest AQI recorded in
November54AQI
202292AQI
11
13
5
1
6
8
5
3
18
11
2
27
3
9
16
5
23
7
22
2
1
8
18
3
18
8
1
4
10
13
7
4
11
15
1
60
131
87
39
2
Highest AQI recorded in
December142AQI
Lowest AQI recorded in
April19AQI
2021100AQI
1
9
16
5
5
21
2
14
13
4
21
9
29
2
2
22
5
1
28
3
4
22
4
1
3
21
6
11
12
8
1
14
11
4
4
7
20
22
192
98
48
5
Highest AQI recorded in
January164AQI
Lowest AQI recorded in
July73AQI
202099AQI
6
7
6
13
2
8
10
22
8
26
4
1
1
25
5
6
19
4
1
2
20
7
2
12
13
5
6
12
13
9
150
83
24
Highest AQI recorded in
December135AQI
Lowest AQI recorded in
September72AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
106AQILeast Polluted Year Recorded
2025(Avg.)
91AQIHanoi US Embassy's annual 2025 AQI (91) shows an average percentage change of -7.1% (improved AQI) compared to previous years: 2020 (99), 2021 (100), 2022 (92), 2023 (106), 2024 (95).
