Huu Lung District, Lang Son Province, 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
Huu Lung District, Lang Son Province, Vietnam
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
6th Nov 2022
209AQILowest AQI recorded on
13th Nov 2023
30AQISame Day Analysis (7th November ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 3rd highest AQI at 94 of Moderate air quality, showing improvement over 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 7th Nov - 8th Nov 2025
Huu Lung District, Lang Son Province, Vietnam
AQI
Day
Night
.
5 AM7th Nov 2025
5 PM
4 AM8th Nov 2025
Day time
Avg. Highest Time
4PM7th Nov
100AQI
Avg. Lowest Time
1PM7th Nov
82AQI
Night time
Avg. Highest Time
5AM7th Nov
97AQI
Avg. Lowest Time
4AM8th Nov
68AQI
In the last 24 hours,
Huu Lung District's AQI reached its highest point of 100 at 4 PM during the Day, while the lowest point, 68, was recorded at 4 AM during the Night between 7th Nov and 8th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Huu Lung District, Lang Son Province, Vietnam
OctNov
09th - 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 - 07th07th - 08th08th
Day
Night
9th Oct 2025945 AMAQI
9th Oct 2025886 AMAQI
9th Oct 2025927 AMAQI
9th Oct 2025898 AMAQI
9th Oct 2025939 AMAQI
9th Oct 20259310 AMAQI
9th Oct 202510311 AMAQI
9th Oct 20258212 PMAQI
9th Oct 2025891 PMAQI
9th Oct 2025932 PMAQI
9th Oct 20251013 PMAQI
9th Oct 20251124 PMAQI
9th Oct 20251105 PMAQI
9th Oct 20251166 PMAQI
9th Oct 20251027 PMAQI
9th Oct 20251158 PMAQI
9th Oct 20251109 PMAQI
9th Oct 202511710 PMAQI
9th Oct 202511411 PMAQI
10th Oct 202511912 AMAQI
10th Oct 20251291 AMAQI
10th Oct 20251312 AMAQI
10th Oct 20251423 AMAQI
10th Oct 20251384 AMAQI
27°C23/32°C
10th Oct 20251265 AMAQI
10th Oct 20251416 AMAQI
10th Oct 20251417 AMAQI
10th Oct 20251418 AMAQI
10th Oct 20251339 AMAQI
10th Oct 202512410 AMAQI
10th Oct 202512211 AMAQI
10th Oct 202511012 PMAQI
10th Oct 20251031 PMAQI
10th Oct 20251012 PMAQI
10th Oct 20251063 PMAQI
10th Oct 20251064 PMAQI
10th Oct 20251105 PMAQI
10th Oct 20251146 PMAQI
10th Oct 2025987 PMAQI
10th Oct 20251068 PMAQI
10th Oct 20251269 PMAQI
10th Oct 202511410 PMAQI
10th Oct 202511711 PMAQI
11th Oct 202513212 AMAQI
11th Oct 20251121 AMAQI
11th Oct 20251122 AMAQI
11th Oct 20251153 AMAQI
11th Oct 20251124 AMAQI
27°C24/33°C
11th Oct 20251335 AMAQI
11th Oct 20251166 AMAQI
11th Oct 20251047 AMAQI
11th Oct 20251088 AMAQI
11th Oct 20251149 AMAQI
11th Oct 202511010 AMAQI
11th Oct 202510611 AMAQI
11th Oct 202510612 PMAQI
11th Oct 2025981 PMAQI
11th Oct 20251002 PMAQI
11th Oct 20251103 PMAQI
11th Oct 20251044 PMAQI
11th Oct 20251075 PMAQI
11th Oct 20251166 PMAQI
11th Oct 20251087 PMAQI
11th Oct 2025978 PMAQI
11th Oct 20251109 PMAQI
11th Oct 202513410 PMAQI
11th Oct 202512911 PMAQI
12th Oct 202513012 AMAQI
12th Oct 20251321 AMAQI
12th Oct 20251142 AMAQI
12th Oct 20251133 AMAQI
12th Oct 20251054 AMAQI
28°C25/33°C
12th Oct 20251085 AMAQI
12th Oct 20251106 AMAQI
12th Oct 20251187 AMAQI
12th Oct 20251338 AMAQI
12th Oct 20251069 AMAQI
12th Oct 202511610 AMAQI
12th Oct 20259911 AMAQI
12th Oct 20259112 PMAQI
12th Oct 2025891 PMAQI
12th Oct 2025962 PMAQI
12th Oct 2025953 PMAQI
12th Oct 20251054 PMAQI
12th Oct 2025965 PMAQI
12th Oct 20251026 PMAQI
12th Oct 20251127 PMAQI
12th Oct 20251048 PMAQI
12th Oct 20251059 PMAQI
12th Oct 20259710 PMAQI
12th Oct 20259711 PMAQI
13th Oct 20259712 AMAQI
13th Oct 20251041 AMAQI
13th Oct 20251042 AMAQI
13th Oct 20251143 AMAQI
13th Oct 20251044 AMAQI
28°C24/33°C
13th Oct 2025985 AMAQI
13th Oct 2025986 AMAQI
13th Oct 20251087 AMAQI
13th Oct 20251298 AMAQI
13th Oct 20251139 AMAQI
13th Oct 20258810 AMAQI
13th Oct 20258211 AMAQI
13th Oct 20258212 PMAQI
13th Oct 2025891 PMAQI
13th Oct 2025792 PMAQI
13th Oct 2025743 PMAQI
13th Oct 2025784 PMAQI
13th Oct 2025755 PMAQI
13th Oct 2025796 PMAQI
13th Oct 2025897 PMAQI
13th Oct 2025978 PMAQI
13th Oct 2025899 PMAQI
13th Oct 20258810 PMAQI
13th Oct 20258411 PMAQI
14th Oct 20258812 AMAQI
14th Oct 2025891 AMAQI
14th Oct 2025882 AMAQI
14th Oct 2025823 AMAQI
14th Oct 2025784 AMAQI
27°C24/31°C
14th Oct 2025805 AMAQI
14th Oct 2025776 AMAQI
14th Oct 2025767 AMAQI
14th Oct 2025738 AMAQI
14th Oct 2025729 AMAQI
14th Oct 20256810 AMAQI
14th Oct 20257311 AMAQI
14th Oct 20257212 PMAQI
14th Oct 2025641 PMAQI
14th Oct 2025712 PMAQI
14th Oct 2025683 PMAQI
14th Oct 2025704 PMAQI
14th Oct 2025685 PMAQI
14th Oct 2025696 PMAQI
14th Oct 2025747 PMAQI
14th Oct 2025808 PMAQI
14th Oct 2025839 PMAQI
14th Oct 20259210 PMAQI
14th Oct 20258811 PMAQI
15th Oct 20258812 AMAQI
15th Oct 2025721 AMAQI
15th Oct 2025752 AMAQI
15th Oct 2025703 AMAQI
15th Oct 2025674 AMAQI
27°C24/31°C
15th Oct 2025615 AMAQI
15th Oct 2025636 AMAQI
15th Oct 2025637 AMAQI
15th Oct 2025638 AMAQI
15th Oct 2025639 AMAQI
15th Oct 20256610 AMAQI
15th Oct 20256611 AMAQI
15th Oct 20256212 PMAQI
15th Oct 2025651 PMAQI
15th Oct 2025702 PMAQI
15th Oct 2025693 PMAQI
15th Oct 2025684 PMAQI
15th Oct 2025725 PMAQI
15th Oct 2025746 PMAQI
15th Oct 2025807 PMAQI
15th Oct 2025828 PMAQI
15th Oct 2025939 PMAQI
15th Oct 20258010 PMAQI
15th Oct 20258311 PMAQI
16th Oct 20258412 AMAQI
16th Oct 2025821 AMAQI
16th Oct 2025972 AMAQI
16th Oct 2025953 AMAQI
16th Oct 2025934 AMAQI
27°C24/31°C
16th Oct 2025835 AMAQI
16th Oct 2025826 AMAQI
16th Oct 2025817 AMAQI
16th Oct 2025878 AMAQI
16th Oct 2025879 AMAQI
16th Oct 20258510 AMAQI
16th Oct 20258511 AMAQI
16th Oct 20258512 PMAQI
16th Oct 2025861 PMAQI
16th Oct 2025872 PMAQI
16th Oct 2025943 PMAQI
16th Oct 2025884 PMAQI
16th Oct 2025935 PMAQI
16th Oct 2025886 PMAQI
16th Oct 2025947 PMAQI
16th Oct 2025838 PMAQI
16th Oct 2025909 PMAQI
16th Oct 20259010 PMAQI
16th Oct 20259111 PMAQI
17th Oct 20259312 AMAQI
17th Oct 20251151 AMAQI
17th Oct 20251062 AMAQI
17th Oct 20251113 AMAQI
17th Oct 20251124 AMAQI
27°C23/32°C
17th Oct 20251165 AMAQI
17th Oct 20251156 AMAQI
17th Oct 20251117 AMAQI
17th Oct 20251118 AMAQI
17th Oct 2025969 AMAQI
17th Oct 202510810 AMAQI
17th Oct 202510011 AMAQI
17th Oct 202510012 PMAQI
17th Oct 2025931 PMAQI
17th Oct 2025932 PMAQI
17th Oct 2025893 PMAQI
17th Oct 2025964 PMAQI
17th Oct 20251025 PMAQI
17th Oct 20251276 PMAQI
17th Oct 20251337 PMAQI
17th Oct 20251338 PMAQI
17th Oct 20251199 PMAQI
17th Oct 202510210 PMAQI
17th Oct 20259711 PMAQI
18th Oct 20259612 AMAQI
18th Oct 20251021 AMAQI
18th Oct 2025972 AMAQI
18th Oct 20251083 AMAQI
18th Oct 20251014 AMAQI
27°C23/32°C
18th Oct 2025985 AMAQI
18th Oct 20251006 AMAQI
18th Oct 20251037 AMAQI
18th Oct 2025988 AMAQI
18th Oct 20251039 AMAQI
18th Oct 202510410 AMAQI
18th Oct 202510311 AMAQI
18th Oct 20259612 PMAQI
18th Oct 2025971 PMAQI
18th Oct 2025902 PMAQI
18th Oct 2025803 PMAQI
18th Oct 2025874 PMAQI
18th Oct 2025905 PMAQI
18th Oct 2025986 PMAQI
18th Oct 20251087 PMAQI
18th Oct 20251228 PMAQI
18th Oct 20251219 PMAQI
18th Oct 202511810 PMAQI
18th Oct 202511211 PMAQI
19th Oct 20259712 AMAQI
19th Oct 2025961 AMAQI
19th Oct 2025912 AMAQI
19th Oct 20251013 AMAQI
19th Oct 20251064 AMAQI
28°C24/33°C
19th Oct 20251005 AMAQI
19th Oct 20251036 AMAQI
19th Oct 20251007 AMAQI
19th Oct 2025948 AMAQI
19th Oct 2025859 AMAQI
19th Oct 20258610 AMAQI
19th Oct 20257811 AMAQI
19th Oct 20258412 PMAQI
19th Oct 2025931 PMAQI
19th Oct 2025922 PMAQI
19th Oct 2025903 PMAQI
19th Oct 2025964 PMAQI
19th Oct 2025915 PMAQI
19th Oct 2025936 PMAQI
19th Oct 2025897 PMAQI
19th Oct 20251108 PMAQI
19th Oct 20251129 PMAQI
19th Oct 202511710 PMAQI
19th Oct 20259611 PMAQI
20th Oct 20258612 AMAQI
20th Oct 2025831 AMAQI
20th Oct 2025812 AMAQI
20th Oct 2025773 AMAQI
20th Oct 2025764 AMAQI
27°C23/33°C
20th Oct 2025695 AMAQI
20th Oct 2025666 AMAQI
20th Oct 2025677 AMAQI
20th Oct 2025668 AMAQI
20th Oct 2025699 AMAQI
20th Oct 20256910 AMAQI
20th Oct 20256911 AMAQI
20th Oct 20256712 PMAQI
20th Oct 2025681 PMAQI
20th Oct 2025632 PMAQI
20th Oct 2025613 PMAQI
20th Oct 2025654 PMAQI
20th Oct 2025655 PMAQI
20th Oct 2025706 PMAQI
20th Oct 2025747 PMAQI
20th Oct 2025768 PMAQI
20th Oct 2025749 PMAQI
20th Oct 20256810 PMAQI
20th Oct 20256811 PMAQI
21st Oct 20256712 AMAQI
21st Oct 2025641 AMAQI
21st Oct 2025622 AMAQI
21st Oct 2025623 AMAQI
21st Oct 2025614 AMAQI
25°C22/29°C
21st Oct 2025615 AMAQI
21st Oct 2025616 AMAQI
21st Oct 2025607 AMAQI
21st Oct 2025608 AMAQI
21st Oct 2025609 AMAQI
21st Oct 20256210 AMAQI
21st Oct 20256211 AMAQI
21st Oct 20256412 PMAQI
21st Oct 2025631 PMAQI
21st Oct 2025632 PMAQI
21st Oct 2025623 PMAQI
21st Oct 2025634 PMAQI
21st Oct 2025645 PMAQI
21st Oct 2025676 PMAQI
21st Oct 2025687 PMAQI
21st Oct 2025678 PMAQI
21st Oct 2025679 PMAQI
21st Oct 20256310 PMAQI
21st Oct 20256411 PMAQI
22nd Oct 20256512 AMAQI
22nd Oct 2025601 AMAQI
22nd Oct 2025612 AMAQI
22nd Oct 2025593 AMAQI
22nd Oct 2025584 AMAQI
23°C20/27°C
22nd Oct 2025585 AMAQI
22nd Oct 2025596 AMAQI
22nd Oct 2025587 AMAQI
22nd Oct 2025598 AMAQI
22nd Oct 2025599 AMAQI
22nd Oct 20255910 AMAQI
22nd Oct 20255911 AMAQI
22nd Oct 20256012 PMAQI
22nd Oct 2025611 PMAQI
22nd Oct 2025632 PMAQI
22nd Oct 2025593 PMAQI
22nd Oct 2025624 PMAQI
22nd Oct 2025625 PMAQI
22nd Oct 2025656 PMAQI
22nd Oct 2025687 PMAQI
22nd Oct 2025678 PMAQI
22nd Oct 2025659 PMAQI
22nd Oct 20256310 PMAQI
22nd Oct 20256411 PMAQI
23rd Oct 20256312 AMAQI
23rd Oct 2025621 AMAQI
23rd Oct 2025642 AMAQI
23rd Oct 2025643 AMAQI
23rd Oct 2025634 AMAQI
21°C19/25°C
23rd Oct 2025655 AMAQI
23rd Oct 2025676 AMAQI
23rd Oct 2025677 AMAQI
23rd Oct 2025678 AMAQI
23rd Oct 2025669 AMAQI
23rd Oct 20257010 AMAQI
23rd Oct 20256811 AMAQI
23rd Oct 20256712 PMAQI
23rd Oct 2025671 PMAQI
23rd Oct 2025682 PMAQI
23rd Oct 2025673 PMAQI
23rd Oct 2025664 PMAQI
23rd Oct 2025685 PMAQI
23rd Oct 2025746 PMAQI
23rd Oct 2025807 PMAQI
23rd Oct 2025798 PMAQI
23rd Oct 2025769 PMAQI
23rd Oct 20257610 PMAQI
23rd Oct 20257711 PMAQI
24th Oct 20257812 AMAQI
24th Oct 2025741 AMAQI
24th Oct 2025732 AMAQI
24th Oct 2025703 AMAQI
24th Oct 2025714 AMAQI
18°C17/19°C
24th Oct 2025715 AMAQI
24th Oct 2025746 AMAQI
24th Oct 2025777 AMAQI
24th Oct 2025828 AMAQI
24th Oct 2025839 AMAQI
24th Oct 20257910 AMAQI
24th Oct 20258011 AMAQI
24th Oct 20258112 PMAQI
24th Oct 2025831 PMAQI
24th Oct 2025832 PMAQI
24th Oct 2025833 PMAQI
24th Oct 2025784 PMAQI
24th Oct 2025825 PMAQI
24th Oct 2025936 PMAQI
24th Oct 2025887 PMAQI
24th Oct 2025938 PMAQI
24th Oct 2025949 PMAQI
24th Oct 20259710 PMAQI
24th Oct 202510211 PMAQI
25th Oct 202510412 AMAQI
25th Oct 20251031 AMAQI
25th Oct 2025992 AMAQI
25th Oct 2025963 AMAQI
25th Oct 2025944 AMAQI
19°C17/22°C
25th Oct 2025845 AMAQI
25th Oct 2025846 AMAQI
25th Oct 2025807 AMAQI
25th Oct 2025818 AMAQI
25th Oct 2025889 AMAQI
25th Oct 20259110 AMAQI
25th Oct 20258711 AMAQI
25th Oct 20258512 PMAQI
25th Oct 2025891 PMAQI
25th Oct 2025922 PMAQI
25th Oct 2025923 PMAQI
25th Oct 2025914 PMAQI
25th Oct 2025935 PMAQI
25th Oct 2025946 PMAQI
25th Oct 2025927 PMAQI
25th Oct 20251008 PMAQI
25th Oct 20251159 PMAQI
25th Oct 202511610 PMAQI
25th Oct 202510911 PMAQI
26th Oct 202510212 AMAQI
26th Oct 20251061 AMAQI
26th Oct 20251012 AMAQI
26th Oct 20251013 AMAQI
26th Oct 2025964 AMAQI
23°C17/28°C
26th Oct 2025855 AMAQI
26th Oct 2025776 AMAQI
26th Oct 2025787 AMAQI
26th Oct 2025818 AMAQI
26th Oct 2025829 AMAQI
26th Oct 20258310 AMAQI
26th Oct 20258011 AMAQI
26th Oct 20257812 PMAQI
26th Oct 2025751 PMAQI
26th Oct 2025742 PMAQI
26th Oct 2025763 PMAQI
26th Oct 2025784 PMAQI
26th Oct 2025775 PMAQI
26th Oct 2025826 PMAQI
26th Oct 2025807 PMAQI
26th Oct 2025838 PMAQI
26th Oct 2025859 PMAQI
26th Oct 20258310 PMAQI
26th Oct 20258211 PMAQI
27th Oct 20258512 AMAQI
27th Oct 2025781 AMAQI
27th Oct 2025772 AMAQI
27th Oct 2025723 AMAQI
27th Oct 2025664 AMAQI
24°C21/29°C
27th Oct 2025655 AMAQI
27th Oct 2025656 AMAQI
27th Oct 2025637 AMAQI
27th Oct 2025638 AMAQI
27th Oct 2025649 AMAQI
27th Oct 20256410 AMAQI
27th Oct 20256311 AMAQI
27th Oct 20256412 PMAQI
27th Oct 2025641 PMAQI
27th Oct 2025642 PMAQI
27th Oct 2025663 PMAQI
27th Oct 2025674 PMAQI
27th Oct 2025665 PMAQI
27th Oct 2025706 PMAQI
27th Oct 2025777 PMAQI
27th Oct 2025768 PMAQI
27th Oct 2025749 PMAQI
27th Oct 20257310 PMAQI
27th Oct 20257911 PMAQI
28th Oct 20258112 AMAQI
28th Oct 2025861 AMAQI
28th Oct 2025822 AMAQI
28th Oct 2025863 AMAQI
28th Oct 2025804 AMAQI
24°C21/27°C
28th Oct 2025785 AMAQI
28th Oct 2025756 AMAQI
28th Oct 2025777 AMAQI
28th Oct 2025778 AMAQI
28th Oct 2025789 AMAQI
28th Oct 20257810 AMAQI
28th Oct 20257811 AMAQI
28th Oct 20258012 PMAQI
28th Oct 2025841 PMAQI
28th Oct 2025812 PMAQI
28th Oct 2025803 PMAQI
28th Oct 2025814 PMAQI
28th Oct 2025795 PMAQI
28th Oct 2025816 PMAQI
28th Oct 2025827 PMAQI
28th Oct 2025828 PMAQI
28th Oct 2025829 PMAQI
28th Oct 20259310 PMAQI
28th Oct 20259111 PMAQI
29th Oct 20258812 AMAQI
29th Oct 2025841 AMAQI
29th Oct 2025852 AMAQI
29th Oct 2025913 AMAQI
29th Oct 2025854 AMAQI
24°C21/27°C
29th Oct 2025855 AMAQI
29th Oct 2025856 AMAQI
29th Oct 2025877 AMAQI
29th Oct 2025858 AMAQI
29th Oct 2025939 AMAQI
29th Oct 20259010 AMAQI
29th Oct 20258511 AMAQI
29th Oct 20258912 PMAQI
29th Oct 2025881 PMAQI
29th Oct 2025862 PMAQI
29th Oct 2025863 PMAQI
29th Oct 2025874 PMAQI
29th Oct 2025965 PMAQI
29th Oct 20251086 PMAQI
29th Oct 20251177 PMAQI
29th Oct 20251188 PMAQI
29th Oct 20251239 PMAQI
29th Oct 202512910 PMAQI
29th Oct 202515211 PMAQI
30th Oct 202515212 AMAQI
30th Oct 20251531 AMAQI
30th Oct 20251602 AMAQI
30th Oct 20251553 AMAQI
30th Oct 20251334 AMAQI
24°C21/27°C
30th Oct 20251305 AMAQI
30th Oct 20251316 AMAQI
30th Oct 20251187 AMAQI
30th Oct 20251068 AMAQI
30th Oct 2025949 AMAQI
30th Oct 20259210 AMAQI
30th Oct 20259211 AMAQI
30th Oct 20258712 PMAQI
30th Oct 2025931 PMAQI
30th Oct 2025842 PMAQI
30th Oct 2025763 PMAQI
30th Oct 2025754 PMAQI
30th Oct 2025745 PMAQI
30th Oct 2025726 PMAQI
30th Oct 2025767 PMAQI
30th Oct 2025758 PMAQI
30th Oct 2025769 PMAQI
30th Oct 20256910 PMAQI
30th Oct 20256611 PMAQI
31st Oct 20256412 AMAQI
31st Oct 2025681 AMAQI
31st Oct 2025662 AMAQI
31st Oct 2025603 AMAQI
31st Oct 2025604 AMAQI
23°C22/24°C
31st Oct 2025625 AMAQI
31st Oct 2025656 AMAQI
31st Oct 2025697 AMAQI
31st Oct 2025658 AMAQI
31st Oct 2025669 AMAQI
31st Oct 20256710 AMAQI
31st Oct 20256311 AMAQI
31st Oct 20256112 PMAQI
31st Oct 2025631 PMAQI
31st Oct 2025652 PMAQI
31st Oct 2025623 PMAQI
31st Oct 2025634 PMAQI
31st Oct 2025585 PMAQI
31st Oct 2025636 PMAQI
31st Oct 2025667 PMAQI
31st Oct 2025658 PMAQI
31st Oct 2025629 PMAQI
31st Oct 20256010 PMAQI
31st Oct 20256011 PMAQI
1st Nov 20255612 AMAQI
1st Nov 2025551 AMAQI
1st Nov 2025592 AMAQI
1st Nov 2025553 AMAQI
1st Nov 2025524 AMAQI
21°C20/21°C
1st Nov 2025555 AMAQI
1st Nov 2025566 AMAQI
1st Nov 2025587 AMAQI
1st Nov 2025608 AMAQI
1st Nov 2025699 AMAQI
1st Nov 20257110 AMAQI
1st Nov 20256911 AMAQI
1st Nov 20256712 PMAQI
1st Nov 2025701 PMAQI
1st Nov 2025712 PMAQI
1st Nov 2025733 PMAQI
1st Nov 2025724 PMAQI
1st Nov 2025725 PMAQI
1st Nov 2025766 PMAQI
1st Nov 2025807 PMAQI
1st Nov 2025788 PMAQI
1st Nov 2025759 PMAQI
1st Nov 20257410 PMAQI
1st Nov 20257411 PMAQI
2nd Nov 20257212 AMAQI
2nd Nov 2025731 AMAQI
2nd Nov 2025742 AMAQI
2nd Nov 2025693 AMAQI
2nd Nov 2025684 AMAQI
20°C18/20°C
2nd Nov 2025685 AMAQI
2nd Nov 2025686 AMAQI
2nd Nov 2025687 AMAQI
2nd Nov 2025698 AMAQI
2nd Nov 2025699 AMAQI
2nd Nov 20256810 AMAQI
2nd Nov 20256911 AMAQI
2nd Nov 20257012 PMAQI
2nd Nov 2025761 PMAQI
2nd Nov 2025802 PMAQI
2nd Nov 2025833 PMAQI
2nd Nov 2025864 PMAQI
2nd Nov 2025845 PMAQI
2nd Nov 2025886 PMAQI
2nd Nov 2025877 PMAQI
2nd Nov 2025828 PMAQI
2nd Nov 2025719 PMAQI
2nd Nov 20257110 PMAQI
2nd Nov 20256911 PMAQI
3rd Nov 20256812 AMAQI
3rd Nov 2025651 AMAQI
3rd Nov 2025622 AMAQI
3rd Nov 2025603 AMAQI
3rd Nov 2025574 AMAQI
19°C19/20°C
3rd Nov 2025575 AMAQI
3rd Nov 2025576 AMAQI
3rd Nov 2025597 AMAQI
3rd Nov 2025628 AMAQI
3rd Nov 2025659 AMAQI
3rd Nov 20256810 AMAQI
3rd Nov 20256711 AMAQI
3rd Nov 20256812 PMAQI
3rd Nov 2025641 PMAQI
3rd Nov 2025592 PMAQI
3rd Nov 2025563 PMAQI
3rd Nov 2025574 PMAQI
3rd Nov 2025625 PMAQI
3rd Nov 2025636 PMAQI
3rd Nov 2025637 PMAQI
3rd Nov 2025638 PMAQI
3rd Nov 2025629 PMAQI
3rd Nov 20256110 PMAQI
3rd Nov 20256011 PMAQI
4th Nov 20255612 AMAQI
4th Nov 2025551 AMAQI
4th Nov 2025542 AMAQI
4th Nov 2025533 AMAQI
4th Nov 2025554 AMAQI
18°C16/18°C
4th Nov 2025555 AMAQI
4th Nov 2025536 AMAQI
4th Nov 2025547 AMAQI
4th Nov 2025548 AMAQI
4th Nov 2025569 AMAQI
4th Nov 20255510 AMAQI
4th Nov 20255511 AMAQI
4th Nov 20255512 PMAQI
4th Nov 2025541 PMAQI
4th Nov 2025532 PMAQI
4th Nov 2025573 PMAQI
4th Nov 2025604 PMAQI
4th Nov 2025665 PMAQI
4th Nov 2025736 PMAQI
4th Nov 2025697 PMAQI
4th Nov 2025688 PMAQI
4th Nov 2025719 PMAQI
4th Nov 20257410 PMAQI
4th Nov 20257211 PMAQI
5th Nov 20257312 AMAQI
5th Nov 2025701 AMAQI
5th Nov 2025672 AMAQI
5th Nov 2025613 AMAQI
5th Nov 2025564 AMAQI
17°C17/17°C
5th Nov 2025555 AMAQI
5th Nov 2025566 AMAQI
5th Nov 2025567 AMAQI
5th Nov 2025578 AMAQI
5th Nov 2025639 AMAQI
5th Nov 20256310 AMAQI
5th Nov 20256311 AMAQI
5th Nov 20256212 PMAQI
5th Nov 2025621 PMAQI
5th Nov 2025602 PMAQI
5th Nov 2025613 PMAQI
5th Nov 2025574 PMAQI
5th Nov 2025655 PMAQI
5th Nov 2025736 PMAQI
5th Nov 2025797 PMAQI
5th Nov 2025808 PMAQI
5th Nov 2025829 PMAQI
5th Nov 20257710 PMAQI
5th Nov 20257811 PMAQI
6th Nov 20257812 AMAQI
6th Nov 2025781 AMAQI
6th Nov 2025792 AMAQI
6th Nov 2025783 AMAQI
6th Nov 2025724 AMAQI
19°C17/21°C
6th Nov 2025715 AMAQI
6th Nov 2025756 AMAQI
6th Nov 2025757 AMAQI
6th Nov 2025788 AMAQI
6th Nov 2025859 AMAQI
6th Nov 20258710 AMAQI
6th Nov 20258211 AMAQI
6th Nov 20258812 PMAQI
6th Nov 2025901 PMAQI
6th Nov 20251002 PMAQI
6th Nov 20251073 PMAQI
6th Nov 20251124 PMAQI
6th Nov 20251405 PMAQI
6th Nov 20251526 PMAQI
6th Nov 20251447 PMAQI
6th Nov 2025998 PMAQI
6th Nov 20251059 PMAQI
6th Nov 202510110 PMAQI
6th Nov 202510211 PMAQI
7th Nov 20259612 AMAQI
7th Nov 2025951 AMAQI
7th Nov 20251072 AMAQI
7th Nov 20251053 AMAQI
7th Nov 2025994 AMAQI
22°C19/26°C
7th Nov 2025975 AMAQI
7th Nov 2025946 AMAQI
7th Nov 2025927 AMAQI
7th Nov 2025888 AMAQI
7th Nov 2025839 AMAQI
7th Nov 20258410 AMAQI
7th Nov 20258611 AMAQI
7th Nov 20258212 PMAQI
7th Nov 2025821 PMAQI
7th Nov 2025942 PMAQI
7th Nov 2025983 PMAQI
7th Nov 20251004 PMAQI
7th Nov 2025965 PMAQI
7th Nov 2025906 PMAQI
7th Nov 2025907 PMAQI
7th Nov 2025888 PMAQI
7th Nov 2025879 PMAQI
7th Nov 20257710 PMAQI
7th Nov 20259111 PMAQI
8th Nov 20258612 AMAQI
8th Nov 2025831 AMAQI
8th Nov 2025762 AMAQI
8th Nov 2025743 AMAQI
8th Nov 2025684 AMAQI
23°C23/24°C
8th Nov 2025695 AMAQI
5 AM8th Nov 2025686 AMAQI
8th Nov 2025697 AMAQI
8th Nov 2025708 AMAQI
8th Nov 2025669 AMAQI
8th Nov 20256010 AMAQI
8th Nov 20255911 AMAQI
11 AM8th Nov 20255912 PMAQI
8th Nov 2025591 PMAQI
8th Nov 2025592 PMAQI
8th Nov 2025593 PMAQI
5 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 5 PM
81AQI
13 hours / Day
390 hours / Month
Avg. Lowest Time
5 AM - 5 PM
81AQI
13 hours / Day
390 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 5 PM (Avg. 81), while the lowest AQI was between 5 AM to 5 PM (Avg. 81).
Night time
Avg. Highest Time
6 PM - 11 PM
89AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
4 AM
83AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 PM to 11 PM (Avg. 89), while the lowest AQI was between 4 AM to 4 AM (Avg. 83).
2025 Days Vs Air Quality
Huu Lung District, Lang Son Province, Vietnam
2025
24%
76
65%
201
10%
30
1%
4
Total number of days with different AQI categories in last 312 days in 2025 (53 days remaining)
Good
76 DaysModerate
201 DaysPoor
30 DaysUnhealthy
4 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 24%
Health Risk Level:
Very high
In 2025, 24% of 312 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
Huu Lung District, Lang Son Province, 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
151AQI
151AQI
2nd January 2025
145AQI
145AQI
3rd January 2025
136AQI
136AQI
4th January 2025
145AQI
145AQI
5th January 2025
145AQI
145AQI
6th January 2025
155AQI
155AQI
7th January 2025
146AQI
146AQI
8th January 2025
152AQI
152AQI
9th January 2025
137AQI
137AQI
10th January 2025
91AQI
91AQI
11th January 2025
97AQI
97AQI
12th January 2025
98AQI
98AQI
13th January 2025
105AQI
105AQI
14th January 2025
127AQI
127AQI
15th January 2025
120AQI
120AQI
16th January 2025
129AQI
129AQI
17th January 2025
137AQI
137AQI
18th January 2025
145AQI
145AQI
19th January 2025
150AQI
150AQI
20th January 2025
163AQI
163AQI
21st January 2025
139AQI
139AQI
22nd January 2025
137AQI
137AQI
23rd January 2025
121AQI
121AQI
24th January 2025
105AQI
105AQI
25th January 2025
86AQI
86AQI
26th January 2025
57AQI
57AQI
27th January 2025
74AQI
74AQI
28th January 2025
81AQI
81AQI
29th January 2025
110AQI
110AQI
30th January 2025
89AQI
89AQI
31st January 2025
82AQI
82AQI
1st February 2025
79AQI
79AQI
2nd February 2025
76AQI
76AQI
3rd February 2025
54AQI
54AQI
4th February 2025
67AQI
67AQI
5th February 2025
94AQI
94AQI
6th February 2025
73AQI
73AQI
7th February 2025
53AQI
53AQI
8th February 2025
66AQI
66AQI
9th February 2025
83AQI
83AQI
10th February 2025
118AQI
118AQI
11th February 2025
122AQI
122AQI
12th February 2025
120AQI
120AQI
13th February 2025
99AQI
99AQI
14th February 2025
114AQI
114AQI
15th February 2025
102AQI
102AQI
16th February 2025
80AQI
80AQI
17th February 2025
89AQI
89AQI
18th February 2025
64AQI
64AQI
19th February 2025
80AQI
80AQI
20th February 2025
75AQI
75AQI
21st February 2025
84AQI
84AQI
22nd February 2025
91AQI
91AQI
23rd February 2025
54AQI
54AQI
24th February 2025
69AQI
69AQI
25th February 2025
91AQI
91AQI
26th February 2025
68AQI
68AQI
27th February 2025
90AQI
90AQI
28th February 2025
71AQI
71AQI
1st March 2025
79AQI
79AQI
2nd March 2025
70AQI
70AQI
3rd March 2025
74AQI
74AQI
4th March 2025
73AQI
73AQI
5th March 2025
74AQI
74AQI
6th March 2025
54AQI
54AQI
7th March 2025
65AQI
65AQI
8th March 2025
75AQI
75AQI
9th March 2025
87AQI
87AQI
10th March 2025
101AQI
101AQI
11th March 2025
82AQI
82AQI
12th March 2025
70AQI
70AQI
13th March 2025
59AQI
59AQI
14th March 2025
57AQI
57AQI
15th March 2025
52AQI
52AQI
16th March 2025
45AQI
45AQI
17th March 2025
61AQI
61AQI
18th March 2025
57AQI
57AQI
19th March 2025
61AQI
61AQI
20th March 2025
72AQI
72AQI
21st March 2025
83AQI
83AQI
22nd March 2025
86AQI
86AQI
23rd March 2025
73AQI
73AQI
24th March 2025
85AQI
85AQI
25th March 2025
94AQI
94AQI
26th March 2025
83AQI
83AQI
27th March 2025
81AQI
81AQI
28th March 2025
94AQI
94AQI
29th March 2025
60AQI
60AQI
30th March 2025
51AQI
51AQI
31st March 2025
50AQI
50AQI
1st April 2025
66AQI
66AQI
2nd April 2025
77AQI
77AQI
3rd April 2025
78AQI
78AQI
4th April 2025
73AQI
73AQI
5th April 2025
71AQI
71AQI
6th April 2025
79AQI
79AQI
7th April 2025
78AQI
78AQI
8th April 2025
77AQI
77AQI
9th April 2025
70AQI
70AQI
10th April 2025
70AQI
70AQI
11th April 2025
65AQI
65AQI
12th April 2025
66AQI
66AQI
13th April 2025
95AQI
95AQI
14th April 2025
84AQI
84AQI
15th April 2025
86AQI
86AQI
16th April 2025
77AQI
77AQI
17th April 2025
75AQI
75AQI
18th April 2025
71AQI
71AQI
19th April 2025
63AQI
63AQI
20th April 2025
60AQI
60AQI
21st April 2025
59AQI
59AQI
22nd April 2025
60AQI
60AQI
23rd April 2025
59AQI
59AQI
24th April 2025
58AQI
58AQI
25th April 2025
49AQI
49AQI
26th April 2025
57AQI
57AQI
27th April 2025
55AQI
55AQI
28th April 2025
52AQI
52AQI
29th April 2025
57AQI
57AQI
30th April 2025
57AQI
57AQI
1st May 2025
49AQI
49AQI
2nd May 2025
63AQI
63AQI
3rd May 2025
57AQI
57AQI
4th May 2025
63AQI
63AQI
5th May 2025
57AQI
57AQI
6th May 2025
60AQI
60AQI
7th May 2025
58AQI
58AQI
8th May 2025
59AQI
59AQI
9th May 2025
58AQI
58AQI
10th May 2025
59AQI
59AQI
11th May 2025
58AQI
58AQI
12th May 2025
62AQI
62AQI
13th May 2025
62AQI
62AQI
14th May 2025
59AQI
59AQI
15th May 2025
53AQI
53AQI
16th May 2025
54AQI
54AQI
17th May 2025
52AQI
52AQI
18th May 2025
54AQI
54AQI
19th May 2025
54AQI
54AQI
20th May 2025
55AQI
55AQI
21st May 2025
55AQI
55AQI
22nd May 2025
51AQI
51AQI
23rd May 2025
50AQI
50AQI
24th May 2025
53AQI
53AQI
25th May 2025
58AQI
58AQI
26th May 2025
63AQI
63AQI
27th May 2025
65AQI
65AQI
28th May 2025
62AQI
62AQI
29th May 2025
55AQI
55AQI
30th May 2025
56AQI
56AQI
31st May 2025
54AQI
54AQI
1st June 2025
56AQI
56AQI
2nd June 2025
56AQI
56AQI
3rd June 2025
54AQI
54AQI
4th June 2025
56AQI
56AQI
5th June 2025
55AQI
55AQI
6th June 2025
49AQI
49AQI
7th June 2025
52AQI
52AQI
8th June 2025
48AQI
48AQI
9th June 2025
53AQI
53AQI
10th June 2025
63AQI
63AQI
11th June 2025
56AQI
56AQI
12th June 2025
54AQI
54AQI
13th June 2025
52AQI
52AQI
14th June 2025
55AQI
55AQI
15th June 2025
58AQI
58AQI
16th June 2025
59AQI
59AQI
17th June 2025
57AQI
57AQI
18th June 2025
50AQI
50AQI
19th June 2025
48AQI
48AQI
20th June 2025
48AQI
48AQI
21st June 2025
44AQI
44AQI
22nd June 2025
39AQI
39AQI
23rd June 2025
39AQI
39AQI
24th June 2025
41AQI
41AQI
25th June 2025
43AQI
43AQI
26th June 2025
46AQI
46AQI
27th June 2025
49AQI
49AQI
28th June 2025
45AQI
45AQI
29th June 2025
43AQI
43AQI
30th June 2025
43AQI
43AQI
1st July 2025
41AQI
41AQI
2nd July 2025
37AQI
37AQI
3rd July 2025
40AQI
40AQI
4th July 2025
55AQI
55AQI
5th July 2025
55AQI
55AQI
6th July 2025
54AQI
54AQI
7th July 2025
54AQI
54AQI
8th July 2025
52AQI
52AQI
9th July 2025
54AQI
54AQI
10th July 2025
51AQI
51AQI
11th July 2025
51AQI
51AQI
12th July 2025
51AQI
51AQI
13th July 2025
52AQI
52AQI
14th July 2025
53AQI
53AQI
15th July 2025
52AQI
52AQI
16th July 2025
50AQI
50AQI
17th July 2025
49AQI
49AQI
18th July 2025
54AQI
54AQI
19th July 2025
59AQI
59AQI
20th July 2025
55AQI
55AQI
21st July 2025
50AQI
50AQI
22nd July 2025
46AQI
46AQI
23rd July 2025
44AQI
44AQI
24th July 2025
46AQI
46AQI
25th July 2025
48AQI
48AQI
26th July 2025
49AQI
49AQI
27th July 2025
51AQI
51AQI
28th July 2025
52AQI
52AQI
29th July 2025
56AQI
56AQI
30th July 2025
55AQI
55AQI
31st July 2025
55AQI
55AQI
1st August 2025
54AQI
54AQI
2nd August 2025
53AQI
53AQI
3rd August 2025
57AQI
57AQI
4th August 2025
56AQI
56AQI
5th August 2025
55AQI
55AQI
6th August 2025
52AQI
52AQI
7th August 2025
50AQI
50AQI
8th August 2025
50AQI
50AQI
9th August 2025
51AQI
51AQI
10th August 2025
50AQI
50AQI
11th August 2025
52AQI
52AQI
12th August 2025
51AQI
51AQI
13th August 2025
50AQI
50AQI
14th August 2025
54AQI
54AQI
15th August 2025
44AQI
44AQI
16th August 2025
41AQI
41AQI
17th August 2025
39AQI
39AQI
18th August 2025
37AQI
37AQI
19th August 2025
38AQI
38AQI
20th August 2025
42AQI
42AQI
21st August 2025
43AQI
43AQI
22nd August 2025
45AQI
45AQI
23rd August 2025
44AQI
44AQI
24th August 2025
44AQI
44AQI
25th August 2025
38AQI
38AQI
26th August 2025
38AQI
38AQI
27th August 2025
41AQI
41AQI
28th August 2025
47AQI
47AQI
29th August 2025
47AQI
47AQI
30th August 2025
42AQI
42AQI
31st August 2025
40AQI
40AQI
1st September 2025
41AQI
41AQI
2nd September 2025
42AQI
42AQI
3rd September 2025
45AQI
45AQI
4th September 2025
54AQI
54AQI
5th September 2025
46AQI
46AQI
6th September 2025
44AQI
44AQI
7th September 2025
50AQI
50AQI
8th September 2025
56AQI
56AQI
9th September 2025
51AQI
51AQI
10th September 2025
50AQI
50AQI
11th September 2025
45AQI
45AQI
12th September 2025
42AQI
42AQI
13th September 2025
42AQI
42AQI
14th September 2025
43AQI
43AQI
15th September 2025
41AQI
41AQI
16th September 2025
40AQI
40AQI
17th September 2025
42AQI
42AQI
18th September 2025
41AQI
41AQI
19th September 2025
41AQI
41AQI
20th September 2025
51AQI
51AQI
21st September 2025
53AQI
53AQI
22nd September 2025
49AQI
49AQI
23rd September 2025
51AQI
51AQI
24th September 2025
50AQI
50AQI
25th September 2025
32AQI
32AQI
26th September 2025
15AQI
15AQI
27th September 2025
17AQI
17AQI
28th September 2025
23AQI
23AQI
29th September 2025
26AQI
26AQI
30th September 2025
49AQI
49AQI
1st October 2025
69AQI
69AQI
2nd October 2025
89AQI
89AQI
3rd October 2025
83AQI
83AQI
4th October 2025
98AQI
98AQI
5th October 2025
98AQI
98AQI
6th October 2025
89AQI
89AQI
7th October 2025
86AQI
86AQI
8th October 2025
81AQI
81AQI
9th October 2025
95AQI
95AQI
10th October 2025
121AQI
121AQI
11th October 2025
115AQI
115AQI
12th October 2025
111AQI
111AQI
13th October 2025
94AQI
94AQI
14th October 2025
80AQI
80AQI
15th October 2025
75AQI
75AQI
16th October 2025
87AQI
87AQI
17th October 2025
105AQI
105AQI
18th October 2025
101AQI
101AQI
19th October 2025
98AQI
98AQI
20th October 2025
73AQI
73AQI
21st October 2025
64AQI
64AQI
22nd October 2025
62AQI
62AQI
23rd October 2025
68AQI
68AQI
24th October 2025
82AQI
82AQI
25th October 2025
96AQI
96AQI
26th October 2025
87AQI
87AQI
27th October 2025
73AQI
73AQI
28th October 2025
81AQI
81AQI
29th October 2025
98AQI
98AQI
30th October 2025
109AQI
109AQI
31st October 2025
63AQI
63AQI
1st November 2025
65AQI
65AQI
2nd November 2025
74AQI
74AQI
3rd November 2025
63AQI
63AQI
4th November 2025
60AQI
60AQI
5th November 2025
68AQI
68AQI
6th November 2025
93AQI
93AQI
7th November 2025
94AQI
94AQI
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
121AQI
83AQI
71AQI
68AQI
57AQI
50AQI
51AQI
47AQI
42AQI
88AQI
74AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202568AQI
9
18
4
23
5
2
28
1
1
29
2
29
15
15
11
20
21
10
24
6
25
6
7
76
201
30
4
Highest AQI recorded in
January121AQI
Lowest AQI recorded in
September42AQI
202462AQI
5
2
2
5
1
11
1
20
10
31
30
1
3
13
2
28
16
13
2
102
72
15
7
Highest AQI recorded in
December102AQI
Lowest AQI recorded in
May39AQI
2023130AQI
9
15
6
1
1
6
13
3
4
6
15
1
3
14
13
2
10
7
13
17
11
9
17
14
14
14
2
11
19
1
1
3
11
14
3
16
12
1
82
145
92
10
1
Highest AQI recorded in
January178AQI
Lowest AQI recorded in
August99AQI
2022147AQI
5
12
5
3
1
1
5
17
3
1
6
17
22
6
Highest AQI recorded in
December157AQI
Lowest AQI recorded in
November135AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2022(Avg.)
147AQILeast Polluted Year Recorded
2024(Avg.)
62AQIHuu Lung District's annual 2025 AQI (68) shows an average percentage change of -30.5% (improved AQI) compared to previous years: 2022 (147), 2023 (130), 2024 (62).
