Bac Ninh gan KCN Yen Phong, 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+
November Air Quality Analysis
Bac Ninh gan KCN Yen Phong, Hanoi, Ha Noi, Vietnam
2021
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
29th Nov 2021
150AQILowest AQI recorded on
10th Nov 2023
4AQISame Day Analysis (12th November ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 3rd highest AQI at 64 of Moderate air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 12th Nov - 13th Nov 2025
Bac Ninh gan KCN Yen Phong, Hanoi, Ha Noi, Vietnam
AQI
Day
Night
.
5 AM12th Nov 2025
5 PM
4 AM13th Nov 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
12AM13th Nov
139AQI
Avg. Lowest Time
1PM12th Nov
54AQI
In the last 24 hours,
Bac Ninh gan KCN Yen Phong's AQI reached its highest point of 139 at 12 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 12th Nov and 13th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Bac Ninh gan KCN Yen Phong, Hanoi, Ha Noi, Vietnam
OctNov
14th - 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 - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th
Day
Night
14th Oct 2025965 AMAQI
14th Oct 2025896 AMAQI
14th Oct 2025887 AMAQI
14th Oct 2025938 AMAQI
14th Oct 2025929 AMAQI
14th Oct 20259610 AMAQI
14th Oct 20259211 AMAQI
14th Oct 20258912 PMAQI
14th Oct 2025821 PMAQI
14th Oct 2025802 PMAQI
14th Oct 2025883 PMAQI
14th Oct 2025924 PMAQI
14th Oct 2025805 PMAQI
14th Oct 2025826 PMAQI
14th Oct 2025837 PMAQI
14th Oct 2025838 PMAQI
14th Oct 2025879 PMAQI
14th Oct 20258410 PMAQI
14th Oct 20258511 PMAQI
15th Oct 20258012 AMAQI
15th Oct 2025861 AMAQI
15th Oct 2025872 AMAQI
15th Oct 2025923 AMAQI
15th Oct 2025794 AMAQI
27°C25/30°C
15th Oct 2025755 AMAQI
15th Oct 2025756 AMAQI
15th Oct 2025737 AMAQI
15th Oct 2025778 AMAQI
15th Oct 2025799 AMAQI
15th Oct 20258410 AMAQI
15th Oct 20258511 AMAQI
15th Oct 20257712 PMAQI
15th Oct 2025801 PMAQI
15th Oct 2025762 PMAQI
15th Oct 2025773 PMAQI
15th Oct 2025714 PMAQI
15th Oct 2025675 PMAQI
15th Oct 2025626 PMAQI
15th Oct 2025617 PMAQI
15th Oct 2025668 PMAQI
15th Oct 2025789 PMAQI
15th Oct 20258710 PMAQI
15th Oct 202510711 PMAQI
16th Oct 202510812 AMAQI
16th Oct 20251051 AMAQI
16th Oct 20251102 AMAQI
16th Oct 20251323 AMAQI
16th Oct 20251274 AMAQI
27°C24/31°C
16th Oct 20251015 AMAQI
16th Oct 2025776 AMAQI
16th Oct 2025837 AMAQI
16th Oct 2025908 AMAQI
16th Oct 2025739 AMAQI
16th Oct 20255910 AMAQI
16th Oct 20257011 AMAQI
16th Oct 20257312 PMAQI
16th Oct 2025781 PMAQI
16th Oct 2025832 PMAQI
16th Oct 2025753 PMAQI
16th Oct 2025764 PMAQI
16th Oct 2025805 PMAQI
16th Oct 2025836 PMAQI
16th Oct 2025877 PMAQI
16th Oct 20251018 PMAQI
16th Oct 20251179 PMAQI
16th Oct 202512110 PMAQI
16th Oct 202511911 PMAQI
17th Oct 202510512 AMAQI
17th Oct 2025991 AMAQI
17th Oct 20251082 AMAQI
17th Oct 20251093 AMAQI
17th Oct 20251194 AMAQI
27°C24/31°C
17th Oct 20251385 AMAQI
17th Oct 20251416 AMAQI
17th Oct 20251567 AMAQI
17th Oct 20251568 AMAQI
17th Oct 20251519 AMAQI
17th Oct 202515010 AMAQI
17th Oct 202513011 AMAQI
17th Oct 202510712 PMAQI
17th Oct 2025841 PMAQI
17th Oct 2025802 PMAQI
17th Oct 2025773 PMAQI
17th Oct 2025734 PMAQI
17th Oct 2025855 PMAQI
17th Oct 2025916 PMAQI
17th Oct 20251117 PMAQI
17th Oct 20251218 PMAQI
17th Oct 20251389 PMAQI
17th Oct 202514610 PMAQI
17th Oct 202513211 PMAQI
18th Oct 202511212 AMAQI
18th Oct 20251161 AMAQI
18th Oct 20251362 AMAQI
18th Oct 20251363 AMAQI
18th Oct 20251404 AMAQI
27°C24/32°C
18th Oct 20251565 AMAQI
18th Oct 20251616 AMAQI
18th Oct 20251587 AMAQI
18th Oct 20251508 AMAQI
18th Oct 20251399 AMAQI
18th Oct 202516110 AMAQI
18th Oct 202515611 AMAQI
18th Oct 202514512 PMAQI
18th Oct 20251351 PMAQI
18th Oct 2025952 PMAQI
18th Oct 2025793 PMAQI
18th Oct 2025774 PMAQI
18th Oct 2025805 PMAQI
18th Oct 2025856 PMAQI
18th Oct 2025947 PMAQI
18th Oct 20251098 PMAQI
18th Oct 20251229 PMAQI
18th Oct 202513410 PMAQI
18th Oct 202514111 PMAQI
19th Oct 202514212 AMAQI
19th Oct 20251381 AMAQI
19th Oct 20251502 AMAQI
19th Oct 20251233 AMAQI
19th Oct 20251404 AMAQI
28°C24/33°C
19th Oct 20251245 AMAQI
19th Oct 20251386 AMAQI
19th Oct 20251567 AMAQI
19th Oct 20251568 AMAQI
19th Oct 20251529 AMAQI
19th Oct 202515910 AMAQI
19th Oct 202514411 AMAQI
19th Oct 202513412 PMAQI
19th Oct 20251261 PMAQI
19th Oct 20251042 PMAQI
19th Oct 20251013 PMAQI
19th Oct 2025914 PMAQI
19th Oct 2025945 PMAQI
19th Oct 20251066 PMAQI
19th Oct 2025987 PMAQI
19th Oct 20251148 PMAQI
19th Oct 20251339 PMAQI
19th Oct 202513210 PMAQI
19th Oct 202511911 PMAQI
20th Oct 202511512 AMAQI
20th Oct 20251221 AMAQI
20th Oct 20251182 AMAQI
20th Oct 20251153 AMAQI
20th Oct 20251124 AMAQI
28°C25/33°C
20th Oct 20251015 AMAQI
20th Oct 20251076 AMAQI
20th Oct 20251107 AMAQI
20th Oct 2025948 AMAQI
20th Oct 2025959 AMAQI
20th Oct 20258110 AMAQI
20th Oct 20257111 AMAQI
20th Oct 20257612 PMAQI
20th Oct 2025681 PMAQI
20th Oct 2025692 PMAQI
20th Oct 2025723 PMAQI
20th Oct 2025754 PMAQI
20th Oct 2025785 PMAQI
20th Oct 2025856 PMAQI
20th Oct 2025967 PMAQI
20th Oct 2025848 PMAQI
20th Oct 2025889 PMAQI
20th Oct 20258210 PMAQI
20th Oct 20258811 PMAQI
21st Oct 20258112 AMAQI
21st Oct 2025801 AMAQI
21st Oct 2025782 AMAQI
21st Oct 2025703 AMAQI
21st Oct 2025744 AMAQI
26°C23/30°C
21st Oct 2025685 AMAQI
21st Oct 2025636 AMAQI
21st Oct 2025607 AMAQI
21st Oct 2025588 AMAQI
21st Oct 2025599 AMAQI
21st Oct 20255810 AMAQI
21st Oct 20255711 AMAQI
21st Oct 20256112 PMAQI
21st Oct 2025561 PMAQI
21st Oct 2025552 PMAQI
21st Oct 2025543 PMAQI
21st Oct 2025554 PMAQI
21st Oct 2025565 PMAQI
21st Oct 2025586 PMAQI
21st Oct 2025637 PMAQI
21st Oct 2025748 PMAQI
21st Oct 2025699 PMAQI
21st Oct 20256810 PMAQI
21st Oct 20256611 PMAQI
22nd Oct 20256712 AMAQI
22nd Oct 2025701 AMAQI
22nd Oct 2025682 AMAQI
22nd Oct 2025683 AMAQI
22nd Oct 2025684 AMAQI
24°C21/28°C
22nd Oct 2025605 AMAQI
22nd Oct 2025556 AMAQI
22nd Oct 2025577 AMAQI
22nd Oct 2025618 AMAQI
22nd Oct 2025619 AMAQI
22nd Oct 20255810 AMAQI
22nd Oct 20255911 AMAQI
22nd Oct 20256012 PMAQI
22nd Oct 2025571 PMAQI
22nd Oct 2025632 PMAQI
22nd Oct 2025593 PMAQI
22nd Oct 2025604 PMAQI
22nd Oct 2025655 PMAQI
22nd Oct 2025616 PMAQI
22nd Oct 2025647 PMAQI
22nd Oct 2025728 PMAQI
22nd Oct 2025819 PMAQI
22nd Oct 20257010 PMAQI
22nd Oct 20256711 PMAQI
23rd Oct 20256612 AMAQI
23rd Oct 2025631 AMAQI
23rd Oct 2025642 AMAQI
23rd Oct 2025653 AMAQI
23rd Oct 2025604 AMAQI
22°C19/26°C
23rd Oct 2025555 AMAQI
23rd Oct 2025606 AMAQI
23rd Oct 2025587 AMAQI
23rd Oct 2025738 AMAQI
23rd Oct 2025639 AMAQI
23rd Oct 20256610 AMAQI
23rd Oct 20256511 AMAQI
23rd Oct 20256412 PMAQI
23rd Oct 2025641 PMAQI
23rd Oct 2025652 PMAQI
23rd Oct 2025673 PMAQI
23rd Oct 2025684 PMAQI
23rd Oct 2025695 PMAQI
23rd Oct 2025716 PMAQI
23rd Oct 2025787 PMAQI
23rd Oct 2025838 PMAQI
23rd Oct 2025859 PMAQI
23rd Oct 20258410 PMAQI
23rd Oct 20258511 PMAQI
24th Oct 20258312 AMAQI
24th Oct 2025821 AMAQI
24th Oct 2025842 AMAQI
24th Oct 2025843 AMAQI
24th Oct 2025884 AMAQI
19°C17/20°C
24th Oct 2025825 AMAQI
24th Oct 2025856 AMAQI
24th Oct 2025947 AMAQI
24th Oct 20251078 AMAQI
24th Oct 20251069 AMAQI
24th Oct 20259310 AMAQI
24th Oct 20258011 AMAQI
24th Oct 20257412 PMAQI
24th Oct 2025731 PMAQI
24th Oct 2025702 PMAQI
24th Oct 2025713 PMAQI
24th Oct 2025714 PMAQI
24th Oct 2025765 PMAQI
24th Oct 2025866 PMAQI
24th Oct 2025857 PMAQI
24th Oct 2025868 PMAQI
24th Oct 2025899 PMAQI
24th Oct 20259010 PMAQI
24th Oct 20259811 PMAQI
25th Oct 202512512 AMAQI
25th Oct 20251221 AMAQI
25th Oct 20251142 AMAQI
25th Oct 20251053 AMAQI
25th Oct 20251014 AMAQI
20°C18/22°C
25th Oct 20251045 AMAQI
25th Oct 20251136 AMAQI
25th Oct 2025997 AMAQI
25th Oct 20251008 AMAQI
25th Oct 20251019 AMAQI
25th Oct 202510210 AMAQI
25th Oct 202510711 AMAQI
25th Oct 202510612 PMAQI
25th Oct 20251061 PMAQI
25th Oct 20251032 PMAQI
25th Oct 2025993 PMAQI
25th Oct 20251034 PMAQI
25th Oct 20251155 PMAQI
25th Oct 20251256 PMAQI
25th Oct 20251227 PMAQI
25th Oct 20251118 PMAQI
25th Oct 20251359 PMAQI
25th Oct 202513710 PMAQI
25th Oct 202514111 PMAQI
26th Oct 202514512 AMAQI
26th Oct 20251481 AMAQI
26th Oct 20251462 AMAQI
26th Oct 20251503 AMAQI
26th Oct 20251454 AMAQI
22°C18/27°C
26th Oct 20251395 AMAQI
26th Oct 20251276 AMAQI
26th Oct 20251337 AMAQI
26th Oct 20251358 AMAQI
26th Oct 20251279 AMAQI
26th Oct 202511210 AMAQI
26th Oct 202510011 AMAQI
26th Oct 20259412 PMAQI
26th Oct 2025881 PMAQI
26th Oct 2025862 PMAQI
26th Oct 2025823 PMAQI
26th Oct 2025854 PMAQI
26th Oct 2025865 PMAQI
26th Oct 2025886 PMAQI
26th Oct 20251067 PMAQI
26th Oct 20251368 PMAQI
26th Oct 20251529 PMAQI
26th Oct 202515010 PMAQI
26th Oct 202512911 PMAQI
27th Oct 202511212 AMAQI
27th Oct 2025961 AMAQI
27th Oct 2025872 AMAQI
27th Oct 2025763 AMAQI
27th Oct 2025784 AMAQI
24°C22/28°C
27th Oct 2025845 AMAQI
27th Oct 2025846 AMAQI
27th Oct 2025827 AMAQI
27th Oct 2025788 AMAQI
27th Oct 2025759 AMAQI
27th Oct 20257110 AMAQI
27th Oct 20257011 AMAQI
27th Oct 20257112 PMAQI
27th Oct 2025701 PMAQI
27th Oct 2025692 PMAQI
27th Oct 2025673 PMAQI
27th Oct 2025674 PMAQI
27th Oct 2025685 PMAQI
27th Oct 2025726 PMAQI
27th Oct 2025807 PMAQI
27th Oct 2025938 PMAQI
27th Oct 20251129 PMAQI
27th Oct 202512610 PMAQI
27th Oct 202513411 PMAQI
28th Oct 202514612 AMAQI
28th Oct 20251521 AMAQI
28th Oct 20251572 AMAQI
28th Oct 20251583 AMAQI
28th Oct 20251564 AMAQI
24°C22/27°C
28th Oct 20251405 AMAQI
28th Oct 20251196 AMAQI
28th Oct 20251117 AMAQI
28th Oct 20251068 AMAQI
28th Oct 20251049 AMAQI
28th Oct 20259310 AMAQI
28th Oct 20258511 AMAQI
28th Oct 20258312 PMAQI
28th Oct 2025811 PMAQI
28th Oct 2025792 PMAQI
28th Oct 2025723 PMAQI
28th Oct 2025744 PMAQI
28th Oct 2025825 PMAQI
28th Oct 2025846 PMAQI
28th Oct 2025897 PMAQI
28th Oct 2025918 PMAQI
28th Oct 20251059 PMAQI
28th Oct 202512710 PMAQI
28th Oct 202514511 PMAQI
29th Oct 202515612 AMAQI
29th Oct 20251481 AMAQI
29th Oct 20251392 AMAQI
29th Oct 20251333 AMAQI
29th Oct 20251404 AMAQI
24°C22/28°C
29th Oct 20251545 AMAQI
29th Oct 20251536 AMAQI
29th Oct 20251527 AMAQI
29th Oct 20251468 AMAQI
29th Oct 20251449 AMAQI
29th Oct 202513310 AMAQI
29th Oct 202511611 AMAQI
29th Oct 202510512 PMAQI
29th Oct 2025971 PMAQI
29th Oct 2025902 PMAQI
29th Oct 2025853 PMAQI
29th Oct 2025884 PMAQI
29th Oct 2025995 PMAQI
29th Oct 20251126 PMAQI
29th Oct 20251307 PMAQI
29th Oct 20251298 PMAQI
29th Oct 20251319 PMAQI
29th Oct 202514310 PMAQI
29th Oct 202516211 PMAQI
30th Oct 202516012 AMAQI
30th Oct 20251571 AMAQI
30th Oct 20251482 AMAQI
30th Oct 20251443 AMAQI
30th Oct 20251444 AMAQI
24°C22/28°C
30th Oct 20251375 AMAQI
30th Oct 20251416 AMAQI
30th Oct 20251487 AMAQI
30th Oct 20251248 AMAQI
30th Oct 20251109 AMAQI
30th Oct 202511010 AMAQI
30th Oct 20259911 AMAQI
30th Oct 20259412 PMAQI
30th Oct 2025961 PMAQI
30th Oct 2025862 PMAQI
30th Oct 2025813 PMAQI
30th Oct 2025794 PMAQI
30th Oct 2025795 PMAQI
30th Oct 2025726 PMAQI
30th Oct 2025817 PMAQI
30th Oct 2025828 PMAQI
30th Oct 2025859 PMAQI
30th Oct 20257510 PMAQI
30th Oct 20257211 PMAQI
31st Oct 20256512 AMAQI
31st Oct 2025701 AMAQI
31st Oct 2025702 AMAQI
31st Oct 2025593 AMAQI
31st Oct 2025604 AMAQI
22°C22/22°C
31st Oct 2025605 AMAQI
31st Oct 2025636 AMAQI
31st Oct 2025687 AMAQI
31st Oct 2025648 AMAQI
31st Oct 2025649 AMAQI
31st Oct 20256010 AMAQI
31st Oct 20255511 AMAQI
31st Oct 20254712 PMAQI
31st Oct 2025381 PMAQI
31st Oct 2025452 PMAQI
31st Oct 2025363 PMAQI
31st Oct 2025444 PMAQI
31st Oct 2025485 PMAQI
31st Oct 2025486 PMAQI
31st Oct 2025517 PMAQI
31st Oct 2025548 PMAQI
31st Oct 2025569 PMAQI
31st Oct 20255410 PMAQI
31st Oct 20255111 PMAQI
1st Nov 20254612 AMAQI
1st Nov 2025311 AMAQI
1st Nov 2025232 AMAQI
1st Nov 2025283 AMAQI
1st Nov 2025274 AMAQI
21°C20/21°C
1st Nov 2025285 AMAQI
1st Nov 2025286 AMAQI
1st Nov 2025267 AMAQI
1st Nov 2025258 AMAQI
1st Nov 2025389 AMAQI
1st Nov 20253910 AMAQI
1st Nov 20254311 AMAQI
1st Nov 20254612 PMAQI
1st Nov 2025491 PMAQI
1st Nov 2025522 PMAQI
1st Nov 2025523 PMAQI
1st Nov 2025464 PMAQI
1st Nov 2025465 PMAQI
1st Nov 2025476 PMAQI
1st Nov 2025497 PMAQI
1st Nov 2025508 PMAQI
1st Nov 2025559 PMAQI
1st Nov 20256810 PMAQI
1st Nov 20259711 PMAQI
2nd Nov 20257812 AMAQI
2nd Nov 2025751 AMAQI
2nd Nov 2025612 AMAQI
2nd Nov 2025563 AMAQI
2nd Nov 2025594 AMAQI
20°C19/20°C
2nd Nov 2025595 AMAQI
2nd Nov 2025756 AMAQI
2nd Nov 2025767 AMAQI
2nd Nov 2025648 AMAQI
2nd Nov 2025619 AMAQI
2nd Nov 20255410 AMAQI
2nd Nov 20255511 AMAQI
2nd Nov 20255712 PMAQI
2nd Nov 2025581 PMAQI
2nd Nov 2025572 PMAQI
2nd Nov 2025663 PMAQI
2nd Nov 2025884 PMAQI
2nd Nov 2025705 PMAQI
2nd Nov 2025706 PMAQI
2nd Nov 2025717 PMAQI
2nd Nov 2025728 PMAQI
2nd Nov 2025709 PMAQI
2nd Nov 20256810 PMAQI
2nd Nov 20256311 PMAQI
3rd Nov 20255512 AMAQI
3rd Nov 2025541 AMAQI
3rd Nov 2025512 AMAQI
3rd Nov 2025463 AMAQI
3rd Nov 2025404 AMAQI
19°C19/20°C
3rd Nov 2025405 AMAQI
3rd Nov 2025376 AMAQI
3rd Nov 2025367 AMAQI
3rd Nov 2025348 AMAQI
3rd Nov 2025399 AMAQI
3rd Nov 20254210 AMAQI
3rd Nov 20254411 AMAQI
3rd Nov 20254212 PMAQI
3rd Nov 2025391 PMAQI
3rd Nov 2025392 PMAQI
3rd Nov 2025353 PMAQI
3rd Nov 2025424 PMAQI
3rd Nov 2025545 PMAQI
3rd Nov 2025346 PMAQI
3rd Nov 2025387 PMAQI
3rd Nov 2025448 PMAQI
3rd Nov 2025429 PMAQI
3rd Nov 20254410 PMAQI
3rd Nov 20253811 PMAQI
4th Nov 20253712 AMAQI
4th Nov 2025311 AMAQI
4th Nov 2025322 AMAQI
4th Nov 2025373 AMAQI
4th Nov 2025384 AMAQI
18°C17/19°C
4th Nov 2025465 AMAQI
4th Nov 2025456 AMAQI
4th Nov 2025447 AMAQI
4th Nov 2025428 AMAQI
4th Nov 2025459 AMAQI
4th Nov 20254810 AMAQI
4th Nov 20254811 AMAQI
4th Nov 20254312 PMAQI
4th Nov 2025441 PMAQI
4th Nov 2025442 PMAQI
4th Nov 2025423 PMAQI
4th Nov 2025424 PMAQI
4th Nov 2025485 PMAQI
4th Nov 2025546 PMAQI
4th Nov 2025577 PMAQI
4th Nov 2025618 PMAQI
4th Nov 2025649 PMAQI
4th Nov 20257010 PMAQI
4th Nov 20256811 PMAQI
5th Nov 20256612 AMAQI
5th Nov 2025631 AMAQI
5th Nov 2025572 AMAQI
5th Nov 2025543 AMAQI
5th Nov 2025514 AMAQI
18°C17/18°C
5th Nov 2025505 AMAQI
5th Nov 2025506 AMAQI
5th Nov 2025507 AMAQI
5th Nov 2025508 AMAQI
5th Nov 2025519 AMAQI
5th Nov 20255710 AMAQI
5th Nov 20255911 AMAQI
5th Nov 20256412 PMAQI
5th Nov 2025661 PMAQI
5th Nov 2025652 PMAQI
5th Nov 2025683 PMAQI
5th Nov 2025674 PMAQI
5th Nov 2025705 PMAQI
5th Nov 2025716 PMAQI
5th Nov 2025777 PMAQI
5th Nov 2025818 PMAQI
5th Nov 2025999 PMAQI
5th Nov 202510210 PMAQI
5th Nov 20259011 PMAQI
6th Nov 20258412 AMAQI
6th Nov 2025851 AMAQI
6th Nov 2025912 AMAQI
6th Nov 2025933 AMAQI
6th Nov 2025994 AMAQI
20°C18/23°C
6th Nov 20251035 AMAQI
6th Nov 2025926 AMAQI
6th Nov 2025787 AMAQI
6th Nov 2025868 AMAQI
6th Nov 2025999 AMAQI
6th Nov 202510410 AMAQI
6th Nov 20259011 AMAQI
6th Nov 20259912 PMAQI
6th Nov 20251181 PMAQI
6th Nov 20251102 PMAQI
6th Nov 2025943 PMAQI
6th Nov 2025874 PMAQI
6th Nov 2025915 PMAQI
6th Nov 2025966 PMAQI
6th Nov 20251097 PMAQI
6th Nov 20251428 PMAQI
6th Nov 20251529 PMAQI
6th Nov 202515710 PMAQI
6th Nov 202515711 PMAQI
7th Nov 202515412 AMAQI
7th Nov 20251531 AMAQI
7th Nov 20251542 AMAQI
7th Nov 20251543 AMAQI
7th Nov 20251534 AMAQI
22°C20/24°C
7th Nov 20251545 AMAQI
7th Nov 20251526 AMAQI
7th Nov 20251547 AMAQI
7th Nov 20251548 AMAQI
7th Nov 20251559 AMAQI
7th Nov 202515410 AMAQI
7th Nov 202513911 AMAQI
7th Nov 202511212 PMAQI
7th Nov 2025981 PMAQI
7th Nov 2025762 PMAQI
7th Nov 2025783 PMAQI
7th Nov 2025954 PMAQI
7th Nov 20251005 PMAQI
7th Nov 20251466 PMAQI
7th Nov 20251467 PMAQI
7th Nov 20251458 PMAQI
7th Nov 20251439 PMAQI
7th Nov 202512710 PMAQI
7th Nov 20259011 PMAQI
8th Nov 20259612 AMAQI
8th Nov 20251001 AMAQI
8th Nov 2025922 AMAQI
8th Nov 2025783 AMAQI
8th Nov 2025694 AMAQI
23°C23/23°C
8th Nov 2025715 AMAQI
8th Nov 2025756 AMAQI
8th Nov 2025727 AMAQI
8th Nov 2025708 AMAQI
8th Nov 2025759 AMAQI
8th Nov 20257910 AMAQI
8th Nov 20258011 AMAQI
8th Nov 20258612 PMAQI
8th Nov 2025861 PMAQI
8th Nov 2025782 PMAQI
8th Nov 2025673 PMAQI
8th Nov 2025644 PMAQI
8th Nov 2025605 PMAQI
8th Nov 2025576 PMAQI
8th Nov 2025637 PMAQI
8th Nov 2025728 PMAQI
8th Nov 2025939 PMAQI
8th Nov 202510410 PMAQI
8th Nov 202510511 PMAQI
9th Nov 20259912 AMAQI
9th Nov 2025991 AMAQI
9th Nov 20251002 AMAQI
9th Nov 20251003 AMAQI
9th Nov 2025984 AMAQI
24°C22/28°C
9th Nov 2025965 AMAQI
9th Nov 2025996 AMAQI
9th Nov 20251057 AMAQI
9th Nov 20251058 AMAQI
9th Nov 20251089 AMAQI
9th Nov 202510610 AMAQI
9th Nov 202510811 AMAQI
9th Nov 202510712 PMAQI
9th Nov 20251001 PMAQI
9th Nov 20251022 PMAQI
9th Nov 2025943 PMAQI
9th Nov 2025804 PMAQI
9th Nov 2025745 PMAQI
9th Nov 2025776 PMAQI
9th Nov 2025787 PMAQI
9th Nov 2025778 PMAQI
9th Nov 2025789 PMAQI
9th Nov 20257710 PMAQI
9th Nov 20257311 PMAQI
10th Nov 20257412 AMAQI
10th Nov 2025751 AMAQI
10th Nov 2025772 AMAQI
10th Nov 2025793 AMAQI
10th Nov 2025804 AMAQI
26°C24/29°C
10th Nov 2025835 AMAQI
10th Nov 2025886 AMAQI
10th Nov 2025887 AMAQI
10th Nov 2025878 AMAQI
10th Nov 2025849 AMAQI
10th Nov 20259410 AMAQI
10th Nov 20258611 AMAQI
10th Nov 20257812 PMAQI
10th Nov 2025741 PMAQI
10th Nov 2025662 PMAQI
10th Nov 2025673 PMAQI
10th Nov 2025574 PMAQI
10th Nov 2025595 PMAQI
10th Nov 2025606 PMAQI
10th Nov 2025627 PMAQI
10th Nov 2025648 PMAQI
10th Nov 2025639 PMAQI
10th Nov 20256110 PMAQI
10th Nov 20256511 PMAQI
11th Nov 20256712 AMAQI
11th Nov 2025681 AMAQI
11th Nov 2025672 AMAQI
11th Nov 2025663 AMAQI
11th Nov 2025684 AMAQI
25°C23/26°C
11th Nov 2025655 AMAQI
11th Nov 2025636 AMAQI
11th Nov 2025577 AMAQI
11th Nov 2025598 AMAQI
11th Nov 2025639 AMAQI
11th Nov 20256310 AMAQI
11th Nov 20256211 AMAQI
11th Nov 20256512 PMAQI
11th Nov 2025551 PMAQI
11th Nov 2025542 PMAQI
11th Nov 2025543 PMAQI
11th Nov 2025594 PMAQI
11th Nov 2025665 PMAQI
11th Nov 2025756 PMAQI
11th Nov 2025857 PMAQI
11th Nov 2025948 PMAQI
11th Nov 20251059 PMAQI
11th Nov 202510410 PMAQI
11th Nov 202510011 PMAQI
12th Nov 20258412 AMAQI
12th Nov 2025771 AMAQI
12th Nov 2025722 AMAQI
12th Nov 2025643 AMAQI
12th Nov 2025614 AMAQI
21°C21/21°C
12th Nov 2025585 AMAQI
12th Nov 2025556 AMAQI
12th Nov 2025557 AMAQI
12th Nov 2025568 AMAQI
12th Nov 2025589 AMAQI
12th Nov 20256010 AMAQI
12th Nov 20255911 AMAQI
12th Nov 20255712 PMAQI
12th Nov 2025541 PMAQI
12th Nov 2025552 PMAQI
12th Nov 2025583 PMAQI
12th Nov 2025704 PMAQI
12th Nov 2025915 PMAQI
12th Nov 2025946 PMAQI
12th Nov 2025997 PMAQI
12th Nov 20251108 PMAQI
12th Nov 20251349 PMAQI
12th Nov 202513610 PMAQI
12th Nov 202513511 PMAQI
13th Nov 202513912 AMAQI
13th Nov 20251191 AMAQI
13th Nov 20251092 AMAQI
--°C/°C
5 AM
11 AM
5 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 10 AM
90AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
2 PM - 4 PM
72AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 10 AM (Avg. 90), while the lowest AQI was between 2 PM to 4 PM (Avg. 72).
Night time
Avg. Highest Time
9 PM - 11 PM
100AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
6 PM
78AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 11 PM (Avg. 100), while the lowest AQI was between 6 PM to 6 PM (Avg. 78).
2025 Days Vs Air Quality
Bac Ninh gan KCN Yen Phong, Hanoi, Ha Noi, Vietnam
2025
28%
87
51%
162
18%
57
3%
10
Total number of days with different AQI categories in last 316 days in 2025 (49 days remaining)
Good
87 DaysModerate
162 DaysPoor
57 DaysUnhealthy
10 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 28%
Health Risk Level:
Very high
In 2025, 28% of 316 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
Bac Ninh gan KCN Yen Phong, 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
160AQI
160AQI
3rd January 2025
145AQI
145AQI
4th January 2025
146AQI
146AQI
5th January 2025
148AQI
148AQI
6th January 2025
155AQI
155AQI
7th January 2025
153AQI
153AQI
8th January 2025
140AQI
140AQI
9th January 2025
150AQI
150AQI
10th January 2025
97AQI
97AQI
11th January 2025
110AQI
110AQI
12th January 2025
117AQI
117AQI
13th January 2025
143AQI
143AQI
14th January 2025
148AQI
148AQI
15th January 2025
150AQI
150AQI
16th January 2025
145AQI
145AQI
17th January 2025
155AQI
155AQI
18th January 2025
163AQI
163AQI
19th January 2025
161AQI
161AQI
20th January 2025
179AQI
179AQI
21st January 2025
161AQI
161AQI
22nd January 2025
162AQI
162AQI
23rd January 2025
135AQI
135AQI
24th January 2025
135AQI
135AQI
25th January 2025
105AQI
105AQI
26th January 2025
73AQI
73AQI
27th January 2025
92AQI
92AQI
28th January 2025
90AQI
90AQI
29th January 2025
124AQI
124AQI
30th January 2025
110AQI
110AQI
31st January 2025
96AQI
96AQI
1st February 2025
83AQI
83AQI
2nd February 2025
71AQI
71AQI
3rd February 2025
56AQI
56AQI
4th February 2025
72AQI
72AQI
5th February 2025
104AQI
104AQI
6th February 2025
102AQI
102AQI
7th February 2025
52AQI
52AQI
8th February 2025
66AQI
66AQI
9th February 2025
85AQI
85AQI
10th February 2025
137AQI
137AQI
11th February 2025
146AQI
146AQI
12th February 2025
165AQI
165AQI
13th February 2025
140AQI
140AQI
14th February 2025
141AQI
141AQI
15th February 2025
147AQI
147AQI
16th February 2025
78AQI
78AQI
17th February 2025
108AQI
108AQI
18th February 2025
70AQI
70AQI
19th February 2025
88AQI
88AQI
20th February 2025
128AQI
128AQI
21st February 2025
105AQI
105AQI
22nd February 2025
126AQI
126AQI
23rd February 2025
65AQI
65AQI
24th February 2025
74AQI
74AQI
25th February 2025
90AQI
90AQI
26th February 2025
77AQI
77AQI
27th February 2025
136AQI
136AQI
28th February 2025
103AQI
103AQI
1st March 2025
105AQI
105AQI
2nd March 2025
82AQI
82AQI
3rd March 2025
86AQI
86AQI
4th March 2025
84AQI
84AQI
5th March 2025
91AQI
91AQI
6th March 2025
62AQI
62AQI
7th March 2025
71AQI
71AQI
8th March 2025
90AQI
90AQI
9th March 2025
127AQI
127AQI
10th March 2025
138AQI
138AQI
11th March 2025
121AQI
121AQI
12th March 2025
95AQI
95AQI
13th March 2025
82AQI
82AQI
14th March 2025
84AQI
84AQI
15th March 2025
80AQI
80AQI
16th March 2025
60AQI
60AQI
17th March 2025
83AQI
83AQI
18th March 2025
76AQI
76AQI
19th March 2025
77AQI
77AQI
20th March 2025
95AQI
95AQI
21st March 2025
121AQI
121AQI
22nd March 2025
117AQI
117AQI
23rd March 2025
116AQI
116AQI
24th March 2025
128AQI
128AQI
25th March 2025
106AQI
106AQI
26th March 2025
81AQI
81AQI
27th March 2025
88AQI
88AQI
28th March 2025
91AQI
91AQI
29th March 2025
68AQI
68AQI
30th March 2025
50AQI
50AQI
31st March 2025
57AQI
57AQI
1st April 2025
74AQI
74AQI
2nd April 2025
97AQI
97AQI
3rd April 2025
86AQI
86AQI
4th April 2025
135AQI
135AQI
5th April 2025
91AQI
91AQI
6th April 2025
100AQI
100AQI
7th April 2025
95AQI
95AQI
8th April 2025
99AQI
99AQI
9th April 2025
88AQI
88AQI
10th April 2025
88AQI
88AQI
11th April 2025
87AQI
87AQI
12th April 2025
90AQI
90AQI
13th April 2025
85AQI
85AQI
14th April 2025
90AQI
90AQI
15th April 2025
97AQI
97AQI
16th April 2025
96AQI
96AQI
17th April 2025
92AQI
92AQI
18th April 2025
96AQI
96AQI
19th April 2025
89AQI
89AQI
20th April 2025
74AQI
74AQI
21st April 2025
64AQI
64AQI
22nd April 2025
70AQI
70AQI
23rd April 2025
64AQI
64AQI
24th April 2025
62AQI
62AQI
25th April 2025
49AQI
49AQI
26th April 2025
60AQI
60AQI
27th April 2025
48AQI
48AQI
28th April 2025
41AQI
41AQI
29th April 2025
63AQI
63AQI
30th April 2025
62AQI
62AQI
1st May 2025
50AQI
50AQI
2nd May 2025
68AQI
68AQI
3rd May 2025
62AQI
62AQI
4th May 2025
71AQI
71AQI
5th May 2025
64AQI
64AQI
6th May 2025
57AQI
57AQI
7th May 2025
51AQI
51AQI
8th May 2025
54AQI
54AQI
9th May 2025
57AQI
57AQI
10th May 2025
57AQI
57AQI
11th May 2025
35AQI
35AQI
12th May 2025
55AQI
55AQI
13th May 2025
53AQI
53AQI
14th May 2025
50AQI
50AQI
15th May 2025
46AQI
46AQI
16th May 2025
47AQI
47AQI
17th May 2025
40AQI
40AQI
18th May 2025
41AQI
41AQI
19th May 2025
46AQI
46AQI
20th May 2025
46AQI
46AQI
21st May 2025
47AQI
47AQI
22nd May 2025
44AQI
44AQI
23rd May 2025
36AQI
36AQI
24th May 2025
38AQI
38AQI
25th May 2025
39AQI
39AQI
26th May 2025
49AQI
49AQI
27th May 2025
60AQI
60AQI
28th May 2025
64AQI
64AQI
29th May 2025
45AQI
45AQI
30th May 2025
47AQI
47AQI
31st May 2025
46AQI
46AQI
1st June 2025
42AQI
42AQI
2nd June 2025
42AQI
42AQI
3rd June 2025
43AQI
43AQI
4th June 2025
44AQI
44AQI
5th June 2025
56AQI
56AQI
6th June 2025
46AQI
46AQI
7th June 2025
45AQI
45AQI
8th June 2025
37AQI
37AQI
9th June 2025
48AQI
48AQI
10th June 2025
44AQI
44AQI
11th June 2025
50AQI
50AQI
12th June 2025
46AQI
46AQI
13th June 2025
36AQI
36AQI
14th June 2025
42AQI
42AQI
15th June 2025
50AQI
50AQI
16th June 2025
59AQI
59AQI
17th June 2025
59AQI
59AQI
18th June 2025
50AQI
50AQI
19th June 2025
56AQI
56AQI
20th June 2025
63AQI
63AQI
21st June 2025
48AQI
48AQI
22nd June 2025
44AQI
44AQI
23rd June 2025
51AQI
51AQI
24th June 2025
53AQI
53AQI
25th June 2025
54AQI
54AQI
26th June 2025
52AQI
52AQI
27th June 2025
56AQI
56AQI
28th June 2025
53AQI
53AQI
29th June 2025
54AQI
54AQI
30th June 2025
53AQI
53AQI
1st July 2025
43AQI
43AQI
2nd July 2025
45AQI
45AQI
3rd July 2025
55AQI
55AQI
4th July 2025
56AQI
56AQI
5th July 2025
61AQI
61AQI
6th July 2025
59AQI
59AQI
7th July 2025
59AQI
59AQI
8th July 2025
59AQI
59AQI
9th July 2025
61AQI
61AQI
10th July 2025
52AQI
52AQI
11th July 2025
51AQI
51AQI
12th July 2025
49AQI
49AQI
13th July 2025
53AQI
53AQI
14th July 2025
63AQI
63AQI
15th July 2025
65AQI
65AQI
16th July 2025
56AQI
56AQI
17th July 2025
54AQI
54AQI
18th July 2025
60AQI
60AQI
19th July 2025
69AQI
69AQI
20th July 2025
56AQI
56AQI
21st July 2025
55AQI
55AQI
22nd July 2025
41AQI
41AQI
23rd July 2025
45AQI
45AQI
24th July 2025
42AQI
42AQI
25th July 2025
55AQI
55AQI
26th July 2025
53AQI
53AQI
27th July 2025
52AQI
52AQI
28th July 2025
60AQI
60AQI
29th July 2025
67AQI
67AQI
30th July 2025
65AQI
65AQI
31st July 2025
58AQI
58AQI
1st August 2025
53AQI
53AQI
2nd August 2025
53AQI
53AQI
3rd August 2025
57AQI
57AQI
4th August 2025
56AQI
56AQI
5th August 2025
56AQI
56AQI
6th August 2025
53AQI
53AQI
7th August 2025
54AQI
54AQI
8th August 2025
51AQI
51AQI
9th August 2025
51AQI
51AQI
10th August 2025
52AQI
52AQI
11th August 2025
53AQI
53AQI
12th August 2025
49AQI
49AQI
13th August 2025
50AQI
50AQI
14th August 2025
54AQI
54AQI
15th August 2025
45AQI
45AQI
16th August 2025
41AQI
41AQI
17th August 2025
39AQI
39AQI
18th August 2025
39AQI
39AQI
19th August 2025
42AQI
42AQI
20th August 2025
46AQI
46AQI
21st August 2025
48AQI
48AQI
22nd August 2025
47AQI
47AQI
23rd August 2025
44AQI
44AQI
24th August 2025
43AQI
43AQI
25th August 2025
36AQI
36AQI
26th August 2025
34AQI
34AQI
27th August 2025
39AQI
39AQI
28th August 2025
46AQI
46AQI
29th August 2025
46AQI
46AQI
30th August 2025
42AQI
42AQI
31st August 2025
40AQI
40AQI
1st September 2025
42AQI
42AQI
2nd September 2025
42AQI
42AQI
3rd September 2025
40AQI
40AQI
4th September 2025
48AQI
48AQI
5th September 2025
40AQI
40AQI
6th September 2025
40AQI
40AQI
7th September 2025
49AQI
49AQI
8th September 2025
55AQI
55AQI
9th September 2025
45AQI
45AQI
10th September 2025
51AQI
51AQI
11th September 2025
45AQI
45AQI
12th September 2025
40AQI
40AQI
13th September 2025
39AQI
39AQI
14th September 2025
41AQI
41AQI
15th September 2025
42AQI
42AQI
16th September 2025
48AQI
48AQI
17th September 2025
48AQI
48AQI
18th September 2025
52AQI
52AQI
19th September 2025
55AQI
55AQI
20th September 2025
65AQI
65AQI
21st September 2025
64AQI
64AQI
22nd September 2025
56AQI
56AQI
23rd September 2025
62AQI
62AQI
24th September 2025
63AQI
63AQI
25th September 2025
49AQI
49AQI
26th September 2025
59AQI
59AQI
27th September 2025
42AQI
42AQI
28th September 2025
49AQI
49AQI
29th September 2025
46AQI
46AQI
30th September 2025
39AQI
39AQI
1st October 2025
70AQI
70AQI
2nd October 2025
83AQI
83AQI
3rd October 2025
78AQI
78AQI
4th October 2025
106AQI
106AQI
5th October 2025
129AQI
129AQI
6th October 2025
119AQI
119AQI
7th October 2025
65AQI
65AQI
8th October 2025
77AQI
77AQI
9th October 2025
121AQI
121AQI
10th October 2025
135AQI
135AQI
11th October 2025
132AQI
132AQI
12th October 2025
133AQI
133AQI
13th October 2025
89AQI
89AQI
14th October 2025
89AQI
89AQI
15th October 2025
78AQI
78AQI
16th October 2025
95AQI
95AQI
17th October 2025
118AQI
118AQI
18th October 2025
125AQI
125AQI
19th October 2025
127AQI
127AQI
20th October 2025
93AQI
93AQI
21st October 2025
65AQI
65AQI
22nd October 2025
64AQI
64AQI
23rd October 2025
69AQI
69AQI
24th October 2025
85AQI
85AQI
25th October 2025
114AQI
114AQI
26th October 2025
122AQI
122AQI
27th October 2025
86AQI
86AQI
28th October 2025
112AQI
112AQI
29th October 2025
130AQI
130AQI
30th October 2025
108AQI
108AQI
31st October 2025
56AQI
56AQI
1st November 2025
44AQI
44AQI
2nd November 2025
66AQI
66AQI
3rd November 2025
42AQI
42AQI
4th November 2025
48AQI
48AQI
5th November 2025
67AQI
67AQI
6th November 2025
107AQI
107AQI
7th November 2025
134AQI
134AQI
8th November 2025
79AQI
79AQI
9th November 2025
92AQI
92AQI
10th November 2025
73AQI
73AQI
11th November 2025
72AQI
72AQI
12th November 2025
64AQI
64AQI
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
135AQI
101AQI
91AQI
81AQI
50AQI
49AQI
55AQI
47AQI
49AQI
99AQI
74AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202576AQI
5
17
9
14
13
1
1
21
9
3
26
1
18
13
17
13
6
25
19
12
20
10
16
15
3
7
2
87
162
57
10
Highest AQI recorded in
January135AQI
Lowest AQI recorded in
August47AQI
202457AQI
16
3
21
31
27
1
2
10
30
3
28
27
2
8
13
7
1
5
15
9
2
27
3
13
16
2
140
142
35
5
Highest AQI recorded in
December113AQI
Lowest AQI recorded in
March20AQI
202331AQI
4
2
1
1
20
1
1
23
3
28
21
3
3
96
9
5
1
Highest AQI recorded in
August69AQI
Lowest AQI recorded in
November13AQI
202238AQI
8
10
5
3
20
22
8
29
26
2
27
3
20
1
6
2
158
18
13
3
Highest AQI recorded in
January79AQI
Lowest AQI recorded in
February6AQI
202163AQI
2
12
15
14
13
1
1
21
10
16
13
1
20
10
16
11
3
1
11
8
11
2
8
10
9
114
88
26
11
Highest AQI recorded in
December117AQI
Lowest AQI recorded in
April33AQI
Most & Least Polluted Years Over the Last 5 Years
Most Polluted Year Recorded
2025(Avg.)
76AQILeast Polluted Year Recorded
2023(Avg.)
31AQIBac Ninh gan KCN Yen Phong's annual 2025 AQI (76) shows an average percentage change of 74.1% (worsened AQI) compared to previous years: 2021 (63), 2022 (38), 2023 (31), 2024 (57).
