BDA, Dalian, Liaoning, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
October Air Quality Analysis
BDA, Dalian, Liaoning, China
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
15th Oct 2022
183AQILowest AQI recorded on
1st Oct 2024
20AQISame Day Analysis (12th October ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 3rd highest AQI at 88 of Moderate air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 12th Oct - 13th Oct 2025
BDA, Dalian, Liaoning, China
AQI
Day
Night
.
5 AM12th Oct 2025
5 PM
4 AM13th Oct 2025
Day time
Avg. Highest Time
5PM12th Oct
101AQI
Avg. Lowest Time
12PM12th Oct
54AQI
Night time
Avg. Highest Time
1AM13th Oct
172AQI
Avg. Lowest Time
5AM12th Oct
72AQI
In the last 24 hours,
BDA's AQI reached its highest point of 172 at 1 AM during the Night, while the lowest point, 54, was recorded at 12 PM during the Day between 12th Oct and 13th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
BDA, Dalian, Liaoning, China
SepOct
13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th
Day
Night
13th Sep 2025715 AMAQI
13th Sep 2025706 AMAQI
13th Sep 2025717 AMAQI
13th Sep 2025708 AMAQI
13th Sep 2025809 AMAQI
13th Sep 20257510 AMAQI
13th Sep 20256811 AMAQI
13th Sep 20254912 PMAQI
13th Sep 2025541 PMAQI
13th Sep 2025522 PMAQI
13th Sep 2025573 PMAQI
13th Sep 2025564 PMAQI
13th Sep 2025525 PMAQI
13th Sep 2025576 PMAQI
13th Sep 2025627 PMAQI
13th Sep 2025678 PMAQI
13th Sep 2025729 PMAQI
13th Sep 20257210 PMAQI
13th Sep 20256611 PMAQI
14th Sep 20257012 AMAQI
14th Sep 2025701 AMAQI
14th Sep 2025702 AMAQI
14th Sep 2025713 AMAQI
14th Sep 2025724 AMAQI
24°C22/26°C
14th Sep 2025725 AMAQI
14th Sep 2025716 AMAQI
14th Sep 2025717 AMAQI
14th Sep 2025678 AMAQI
14th Sep 2025769 AMAQI
14th Sep 20256610 AMAQI
14th Sep 20257111 AMAQI
14th Sep 20256212 PMAQI
14th Sep 2025691 PMAQI
14th Sep 2025762 PMAQI
14th Sep 2025763 PMAQI
14th Sep 2025804 PMAQI
14th Sep 2025815 PMAQI
14th Sep 2025876 PMAQI
14th Sep 2025747 PMAQI
14th Sep 2025748 PMAQI
14th Sep 2025749 PMAQI
14th Sep 20258010 PMAQI
14th Sep 20257311 PMAQI
15th Sep 20257412 AMAQI
15th Sep 2025721 AMAQI
15th Sep 2025712 AMAQI
15th Sep 2025743 AMAQI
15th Sep 2025724 AMAQI
25°C23/27°C
15th Sep 2025735 AMAQI
15th Sep 2025736 AMAQI
15th Sep 2025737 AMAQI
15th Sep 2025708 AMAQI
15th Sep 2025719 AMAQI
15th Sep 20256610 AMAQI
15th Sep 20255811 AMAQI
15th Sep 20256512 PMAQI
15th Sep 2025681 PMAQI
15th Sep 2025672 PMAQI
15th Sep 2025693 PMAQI
15th Sep 2025704 PMAQI
15th Sep 2025705 PMAQI
15th Sep 2025726 PMAQI
15th Sep 2025667 PMAQI
15th Sep 2025668 PMAQI
15th Sep 2025599 PMAQI
15th Sep 20256210 PMAQI
15th Sep 20256311 PMAQI
16th Sep 20256812 AMAQI
16th Sep 2025691 AMAQI
16th Sep 2025712 AMAQI
16th Sep 2025723 AMAQI
16th Sep 2025724 AMAQI
24°C22/26°C
16th Sep 2025715 AMAQI
16th Sep 2025716 AMAQI
16th Sep 2025717 AMAQI
16th Sep 2025648 AMAQI
16th Sep 2025649 AMAQI
16th Sep 20255210 AMAQI
16th Sep 20253711 AMAQI
16th Sep 20253812 PMAQI
16th Sep 2025421 PMAQI
16th Sep 2025492 PMAQI
16th Sep 2025593 PMAQI
16th Sep 2025564 PMAQI
16th Sep 2025495 PMAQI
16th Sep 2025336 PMAQI
16th Sep 2025437 PMAQI
16th Sep 2025568 PMAQI
16th Sep 2025569 PMAQI
16th Sep 20255610 PMAQI
16th Sep 20255611 PMAQI
17th Sep 20256012 AMAQI
17th Sep 2025641 AMAQI
17th Sep 2025662 AMAQI
17th Sep 2025643 AMAQI
17th Sep 2025644 AMAQI
22°C19/26°C
17th Sep 2025645 AMAQI
17th Sep 2025646 AMAQI
17th Sep 2025627 AMAQI
17th Sep 2025328 AMAQI
17th Sep 2025189 AMAQI
17th Sep 20251810 AMAQI
17th Sep 20252611 AMAQI
17th Sep 20252012 PMAQI
17th Sep 2025221 PMAQI
17th Sep 2025172 PMAQI
17th Sep 2025163 PMAQI
17th Sep 2025244 PMAQI
17th Sep 2025205 PMAQI
17th Sep 2025216 PMAQI
17th Sep 2025467 PMAQI
17th Sep 2025568 PMAQI
17th Sep 2025559 PMAQI
17th Sep 20255510 PMAQI
17th Sep 20255611 PMAQI
18th Sep 20255612 AMAQI
18th Sep 2025601 AMAQI
18th Sep 2025622 AMAQI
18th Sep 2025603 AMAQI
18th Sep 2025584 AMAQI
19°C17/21°C
18th Sep 2025575 AMAQI
18th Sep 2025586 AMAQI
18th Sep 2025577 AMAQI
18th Sep 2025328 AMAQI
18th Sep 2025239 AMAQI
18th Sep 20252310 AMAQI
18th Sep 20252811 AMAQI
18th Sep 20253612 PMAQI
18th Sep 2025371 PMAQI
18th Sep 2025402 PMAQI
18th Sep 2025383 PMAQI
18th Sep 2025384 PMAQI
18th Sep 2025415 PMAQI
18th Sep 2025426 PMAQI
18th Sep 2025457 PMAQI
18th Sep 2025568 PMAQI
18th Sep 2025589 PMAQI
18th Sep 20255810 PMAQI
18th Sep 20255811 PMAQI
19th Sep 20255812 AMAQI
19th Sep 2025581 AMAQI
19th Sep 2025582 AMAQI
19th Sep 2025583 AMAQI
19th Sep 2025564 AMAQI
20°C17/22°C
19th Sep 2025575 AMAQI
19th Sep 2025566 AMAQI
19th Sep 2025567 AMAQI
19th Sep 2025668 AMAQI
19th Sep 2025789 AMAQI
19th Sep 20256110 AMAQI
19th Sep 20255911 AMAQI
19th Sep 20255912 PMAQI
19th Sep 2025571 PMAQI
19th Sep 2025572 PMAQI
19th Sep 2025553 PMAQI
19th Sep 2025544 PMAQI
19th Sep 2025595 PMAQI
19th Sep 2025606 PMAQI
19th Sep 2025637 PMAQI
19th Sep 2025588 PMAQI
19th Sep 2025589 PMAQI
19th Sep 20255810 PMAQI
19th Sep 20255811 PMAQI
20th Sep 20255812 AMAQI
20th Sep 2025581 AMAQI
20th Sep 2025582 AMAQI
20th Sep 2025583 AMAQI
20th Sep 2025584 AMAQI
20°C18/22°C
20th Sep 2025585 AMAQI
20th Sep 2025586 AMAQI
20th Sep 2025587 AMAQI
20th Sep 2025628 AMAQI
20th Sep 2025649 AMAQI
20th Sep 20256110 AMAQI
20th Sep 20255811 AMAQI
20th Sep 20255612 PMAQI
20th Sep 2025561 PMAQI
20th Sep 2025532 PMAQI
20th Sep 2025483 PMAQI
20th Sep 2025414 PMAQI
20th Sep 2025425 PMAQI
20th Sep 2025436 PMAQI
20th Sep 2025527 PMAQI
20th Sep 2025588 PMAQI
20th Sep 2025599 PMAQI
20th Sep 20256010 PMAQI
20th Sep 20256011 PMAQI
21st Sep 20255912 AMAQI
21st Sep 2025581 AMAQI
21st Sep 2025582 AMAQI
21st Sep 2025583 AMAQI
21st Sep 2025584 AMAQI
20°C17/23°C
21st Sep 2025585 AMAQI
21st Sep 2025586 AMAQI
21st Sep 2025587 AMAQI
21st Sep 2025698 AMAQI
21st Sep 2025719 AMAQI
21st Sep 20255510 AMAQI
21st Sep 20255211 AMAQI
21st Sep 20255512 PMAQI
21st Sep 2025521 PMAQI
21st Sep 2025502 PMAQI
21st Sep 2025503 PMAQI
21st Sep 2025524 PMAQI
21st Sep 2025505 PMAQI
21st Sep 2025496 PMAQI
21st Sep 2025527 PMAQI
21st Sep 2025588 PMAQI
21st Sep 2025609 PMAQI
21st Sep 20256010 PMAQI
21st Sep 20256011 PMAQI
22nd Sep 20256012 AMAQI
22nd Sep 2025591 AMAQI
22nd Sep 2025582 AMAQI
22nd Sep 2025593 AMAQI
22nd Sep 2025584 AMAQI
22°C18/25°C
22nd Sep 2025585 AMAQI
22nd Sep 2025586 AMAQI
22nd Sep 2025587 AMAQI
22nd Sep 2025748 AMAQI
22nd Sep 2025779 AMAQI
22nd Sep 20257410 AMAQI
22nd Sep 20256811 AMAQI
22nd Sep 20256712 PMAQI
22nd Sep 2025621 PMAQI
22nd Sep 2025552 PMAQI
22nd Sep 2025513 PMAQI
22nd Sep 2025494 PMAQI
22nd Sep 2025495 PMAQI
22nd Sep 2025516 PMAQI
22nd Sep 2025557 PMAQI
22nd Sep 2025608 PMAQI
22nd Sep 2025609 PMAQI
22nd Sep 20255810 PMAQI
22nd Sep 20256111 PMAQI
23rd Sep 20256012 AMAQI
23rd Sep 2025601 AMAQI
23rd Sep 2025602 AMAQI
23rd Sep 2025603 AMAQI
23rd Sep 2025604 AMAQI
22°C21/24°C
23rd Sep 2025605 AMAQI
23rd Sep 2025616 AMAQI
23rd Sep 2025617 AMAQI
23rd Sep 2025678 AMAQI
23rd Sep 2025649 AMAQI
23rd Sep 20255910 AMAQI
23rd Sep 20255711 AMAQI
23rd Sep 20255212 PMAQI
23rd Sep 2025491 PMAQI
23rd Sep 2025502 PMAQI
23rd Sep 2025493 PMAQI
23rd Sep 2025444 PMAQI
23rd Sep 2025455 PMAQI
23rd Sep 2025446 PMAQI
23rd Sep 2025487 PMAQI
23rd Sep 2025608 PMAQI
23rd Sep 2025609 PMAQI
23rd Sep 20255910 PMAQI
23rd Sep 20255811 PMAQI
24th Sep 20256012 AMAQI
24th Sep 2025601 AMAQI
24th Sep 2025602 AMAQI
24th Sep 2025613 AMAQI
24th Sep 2025594 AMAQI
21°C19/23°C
24th Sep 2025595 AMAQI
24th Sep 2025606 AMAQI
24th Sep 2025607 AMAQI
24th Sep 2025468 AMAQI
24th Sep 2025419 AMAQI
24th Sep 20255010 AMAQI
24th Sep 20255311 AMAQI
24th Sep 20256312 PMAQI
24th Sep 2025691 PMAQI
24th Sep 2025722 PMAQI
24th Sep 2025743 PMAQI
24th Sep 2025724 PMAQI
24th Sep 2025785 PMAQI
24th Sep 2025836 PMAQI
24th Sep 2025797 PMAQI
24th Sep 2025628 PMAQI
24th Sep 2025619 PMAQI
24th Sep 20256210 PMAQI
24th Sep 20256311 PMAQI
25th Sep 20256212 AMAQI
25th Sep 2025591 AMAQI
25th Sep 2025582 AMAQI
25th Sep 2025593 AMAQI
25th Sep 2025604 AMAQI
20°C18/22°C
25th Sep 2025595 AMAQI
25th Sep 2025596 AMAQI
25th Sep 2025597 AMAQI
25th Sep 20251068 AMAQI
25th Sep 20251039 AMAQI
25th Sep 202511810 AMAQI
25th Sep 202511411 AMAQI
25th Sep 20258612 PMAQI
25th Sep 20251061 PMAQI
25th Sep 2025962 PMAQI
25th Sep 2025753 PMAQI
25th Sep 2025584 PMAQI
25th Sep 2025585 PMAQI
25th Sep 2025686 PMAQI
25th Sep 20251027 PMAQI
25th Sep 20251248 PMAQI
25th Sep 20251359 PMAQI
25th Sep 202515210 PMAQI
25th Sep 202515611 PMAQI
26th Sep 202515612 AMAQI
26th Sep 20251531 AMAQI
26th Sep 20251342 AMAQI
26th Sep 20251063 AMAQI
26th Sep 20251054 AMAQI
23°C20/26°C
26th Sep 20251045 AMAQI
26th Sep 2025976 AMAQI
26th Sep 2025877 AMAQI
26th Sep 2025838 AMAQI
26th Sep 2025879 AMAQI
26th Sep 20259310 AMAQI
26th Sep 20258011 AMAQI
26th Sep 20254812 PMAQI
26th Sep 2025341 PMAQI
26th Sep 2025402 PMAQI
26th Sep 2025653 PMAQI
26th Sep 2025834 PMAQI
26th Sep 2025875 PMAQI
26th Sep 20251046 PMAQI
26th Sep 20251257 PMAQI
26th Sep 20251358 PMAQI
26th Sep 20251499 PMAQI
26th Sep 202511510 PMAQI
26th Sep 202510311 PMAQI
27th Sep 202510012 AMAQI
27th Sep 2025861 AMAQI
27th Sep 2025752 AMAQI
27th Sep 2025693 AMAQI
27th Sep 2025674 AMAQI
23°C21/25°C
27th Sep 2025615 AMAQI
27th Sep 2025596 AMAQI
27th Sep 2025597 AMAQI
27th Sep 2025648 AMAQI
27th Sep 2025709 AMAQI
27th Sep 20257210 AMAQI
27th Sep 20257511 AMAQI
27th Sep 20257712 PMAQI
27th Sep 2025821 PMAQI
27th Sep 2025962 PMAQI
27th Sep 20251003 PMAQI
27th Sep 2025934 PMAQI
27th Sep 2025895 PMAQI
27th Sep 2025896 PMAQI
27th Sep 2025897 PMAQI
27th Sep 2025878 PMAQI
27th Sep 2025869 PMAQI
27th Sep 20258110 PMAQI
27th Sep 20258611 PMAQI
28th Sep 20257812 AMAQI
28th Sep 2025871 AMAQI
28th Sep 20251062 AMAQI
28th Sep 20251163 AMAQI
28th Sep 20251134 AMAQI
22°C21/25°C
28th Sep 20251065 AMAQI
28th Sep 20251016 AMAQI
28th Sep 2025927 AMAQI
28th Sep 2025778 AMAQI
28th Sep 2025789 AMAQI
28th Sep 20258010 AMAQI
28th Sep 20258411 AMAQI
28th Sep 20258312 PMAQI
28th Sep 2025821 PMAQI
28th Sep 2025802 PMAQI
28th Sep 2025743 PMAQI
28th Sep 2025734 PMAQI
28th Sep 2025775 PMAQI
28th Sep 2025976 PMAQI
28th Sep 20251317 PMAQI
28th Sep 20251518 PMAQI
28th Sep 20251539 PMAQI
28th Sep 202515410 PMAQI
28th Sep 202515411 PMAQI
29th Sep 202515012 AMAQI
29th Sep 20251391 AMAQI
29th Sep 20251242 AMAQI
29th Sep 20251283 AMAQI
29th Sep 20251414 AMAQI
21°C18/23°C
29th Sep 20251385 AMAQI
29th Sep 20251336 AMAQI
29th Sep 20251207 AMAQI
29th Sep 20251118 AMAQI
29th Sep 20251139 AMAQI
29th Sep 202510310 AMAQI
29th Sep 20258611 AMAQI
29th Sep 20258012 PMAQI
29th Sep 2025731 PMAQI
29th Sep 2025682 PMAQI
29th Sep 2025723 PMAQI
29th Sep 2025844 PMAQI
29th Sep 2025915 PMAQI
29th Sep 2025966 PMAQI
29th Sep 20251007 PMAQI
29th Sep 20251098 PMAQI
29th Sep 20251189 PMAQI
29th Sep 202512010 PMAQI
29th Sep 202511011 PMAQI
30th Sep 20258412 AMAQI
30th Sep 2025731 AMAQI
30th Sep 2025742 AMAQI
30th Sep 2025723 AMAQI
30th Sep 2025674 AMAQI
22°C20/24°C
30th Sep 2025855 AMAQI
30th Sep 2025946 AMAQI
30th Sep 20251207 AMAQI
30th Sep 20251118 AMAQI
30th Sep 20251189 AMAQI
30th Sep 202512610 AMAQI
30th Sep 20259611 AMAQI
30th Sep 20258412 PMAQI
30th Sep 2025731 PMAQI
30th Sep 2025752 PMAQI
30th Sep 2025863 PMAQI
30th Sep 20251074 PMAQI
30th Sep 20251365 PMAQI
30th Sep 20251246 PMAQI
30th Sep 2025737 PMAQI
30th Sep 2025888 PMAQI
30th Sep 2025919 PMAQI
30th Sep 202510810 PMAQI
30th Sep 20258311 PMAQI
1st Oct 20258112 AMAQI
1st Oct 2025871 AMAQI
1st Oct 20251122 AMAQI
1st Oct 20251253 AMAQI
1st Oct 20251144 AMAQI
23°C21/25°C
1st Oct 20251275 AMAQI
1st Oct 20251226 AMAQI
1st Oct 20251157 AMAQI
1st Oct 20251228 AMAQI
1st Oct 20251199 AMAQI
1st Oct 202510410 AMAQI
1st Oct 202510811 AMAQI
1st Oct 202511812 PMAQI
1st Oct 20251211 PMAQI
1st Oct 20251202 PMAQI
1st Oct 20251153 PMAQI
1st Oct 20251084 PMAQI
1st Oct 20251025 PMAQI
1st Oct 20251036 PMAQI
1st Oct 2025867 PMAQI
1st Oct 20251008 PMAQI
1st Oct 20251219 PMAQI
1st Oct 202515910 PMAQI
1st Oct 202516111 PMAQI
2nd Oct 202516212 AMAQI
2nd Oct 20251601 AMAQI
2nd Oct 20251562 AMAQI
2nd Oct 20251563 AMAQI
2nd Oct 20251544 AMAQI
23°C21/25°C
2nd Oct 20251465 AMAQI
2nd Oct 20251346 AMAQI
2nd Oct 2025867 AMAQI
2nd Oct 2025778 AMAQI
2nd Oct 2025799 AMAQI
2nd Oct 20257210 AMAQI
2nd Oct 20256611 AMAQI
2nd Oct 20256512 PMAQI
2nd Oct 2025581 PMAQI
2nd Oct 2025562 PMAQI
2nd Oct 2025513 PMAQI
2nd Oct 2025304 PMAQI
2nd Oct 2025305 PMAQI
2nd Oct 2025326 PMAQI
2nd Oct 2025367 PMAQI
2nd Oct 2025468 PMAQI
2nd Oct 2025629 PMAQI
2nd Oct 20257510 PMAQI
2nd Oct 20256311 PMAQI
3rd Oct 20256312 AMAQI
3rd Oct 2025601 AMAQI
3rd Oct 2025482 AMAQI
3rd Oct 2025693 AMAQI
3rd Oct 2025844 AMAQI
22°C20/24°C
3rd Oct 2025865 AMAQI
3rd Oct 2025866 AMAQI
3rd Oct 2025777 AMAQI
3rd Oct 2025708 AMAQI
3rd Oct 2025719 AMAQI
3rd Oct 20255510 AMAQI
3rd Oct 20255011 AMAQI
3rd Oct 20253912 PMAQI
3rd Oct 2025381 PMAQI
3rd Oct 2025342 PMAQI
3rd Oct 2025353 PMAQI
3rd Oct 2025434 PMAQI
3rd Oct 2025415 PMAQI
3rd Oct 2025456 PMAQI
3rd Oct 2025567 PMAQI
3rd Oct 2025818 PMAQI
3rd Oct 2025799 PMAQI
3rd Oct 20258510 PMAQI
3rd Oct 20257011 PMAQI
4th Oct 20256612 AMAQI
4th Oct 2025691 AMAQI
4th Oct 2025832 AMAQI
4th Oct 2025863 AMAQI
4th Oct 2025904 AMAQI
21°C19/23°C
4th Oct 2025955 AMAQI
4th Oct 2025876 AMAQI
4th Oct 20251077 AMAQI
4th Oct 20251258 AMAQI
4th Oct 20251189 AMAQI
4th Oct 202511010 AMAQI
4th Oct 20259411 AMAQI
4th Oct 20259212 PMAQI
4th Oct 20251041 PMAQI
4th Oct 2025732 PMAQI
4th Oct 2025653 PMAQI
4th Oct 2025604 PMAQI
4th Oct 2025605 PMAQI
4th Oct 2025716 PMAQI
4th Oct 2025747 PMAQI
4th Oct 2025758 PMAQI
4th Oct 2025789 PMAQI
4th Oct 20258310 PMAQI
4th Oct 202511811 PMAQI
5th Oct 202510412 AMAQI
5th Oct 2025901 AMAQI
5th Oct 2025872 AMAQI
5th Oct 2025833 AMAQI
5th Oct 2025724 AMAQI
21°C19/23°C
5th Oct 2025675 AMAQI
5th Oct 2025846 AMAQI
5th Oct 2025837 AMAQI
5th Oct 2025828 AMAQI
5th Oct 2025839 AMAQI
5th Oct 20258210 AMAQI
5th Oct 20258111 AMAQI
5th Oct 20258012 PMAQI
5th Oct 2025671 PMAQI
5th Oct 2025722 PMAQI
5th Oct 2025773 PMAQI
5th Oct 2025844 PMAQI
5th Oct 2025925 PMAQI
5th Oct 2025796 PMAQI
5th Oct 2025887 PMAQI
5th Oct 2025778 PMAQI
5th Oct 2025849 PMAQI
5th Oct 20258310 PMAQI
5th Oct 20257711 PMAQI
6th Oct 20257412 AMAQI
6th Oct 2025751 AMAQI
6th Oct 2025772 AMAQI
6th Oct 2025743 AMAQI
6th Oct 2025824 AMAQI
21°C17/23°C
6th Oct 2025865 AMAQI
6th Oct 2025826 AMAQI
6th Oct 2025787 AMAQI
6th Oct 2025658 AMAQI
6th Oct 2025769 AMAQI
6th Oct 20257910 AMAQI
6th Oct 20258811 AMAQI
6th Oct 20259612 PMAQI
6th Oct 2025871 PMAQI
6th Oct 2025802 PMAQI
6th Oct 2025703 PMAQI
6th Oct 2025684 PMAQI
6th Oct 2025645 PMAQI
6th Oct 2025586 PMAQI
6th Oct 2025547 PMAQI
6th Oct 2025548 PMAQI
6th Oct 2025559 PMAQI
6th Oct 20255410 PMAQI
6th Oct 20255511 PMAQI
7th Oct 20255312 AMAQI
7th Oct 2025511 AMAQI
16°C14/18°C
7th Oct 2025457 PMAQI
7th Oct 2025488 PMAQI
7th Oct 2025729 PMAQI
7th Oct 20257310 PMAQI
7th Oct 20257511 PMAQI
8th Oct 20258812 AMAQI
8th Oct 2025871 AMAQI
8th Oct 2025822 AMAQI
8th Oct 2025883 AMAQI
8th Oct 2025864 AMAQI
19°C17/21°C
8th Oct 2025805 AMAQI
8th Oct 2025916 AMAQI
8th Oct 2025777 AMAQI
8th Oct 2025588 AMAQI
8th Oct 2025619 AMAQI
8th Oct 20255810 AMAQI
8th Oct 20255711 AMAQI
8th Oct 20255812 PMAQI
8th Oct 2025541 PMAQI
8th Oct 2025402 PMAQI
8th Oct 2025403 PMAQI
8th Oct 2025444 PMAQI
8th Oct 2025485 PMAQI
8th Oct 2025546 PMAQI
8th Oct 2025577 PMAQI
8th Oct 2025568 PMAQI
8th Oct 2025539 PMAQI
8th Oct 20255410 PMAQI
8th Oct 20256811 PMAQI
9th Oct 20256712 AMAQI
9th Oct 2025661 AMAQI
9th Oct 2025662 AMAQI
9th Oct 2025693 AMAQI
9th Oct 2025644 AMAQI
16°C14/18°C
9th Oct 2025585 AMAQI
9th Oct 2025606 AMAQI
9th Oct 2025607 AMAQI
9th Oct 2025598 AMAQI
9th Oct 2025579 AMAQI
9th Oct 20256210 AMAQI
9th Oct 20257711 AMAQI
9th Oct 20258412 PMAQI
9th Oct 2025891 PMAQI
9th Oct 2025882 PMAQI
9th Oct 2025833 PMAQI
9th Oct 2025904 PMAQI
9th Oct 2025955 PMAQI
9th Oct 2025926 PMAQI
9th Oct 2025807 PMAQI
9th Oct 2025828 PMAQI
9th Oct 2025819 PMAQI
9th Oct 20258010 PMAQI
9th Oct 20257911 PMAQI
10th Oct 20257012 AMAQI
10th Oct 2025681 AMAQI
10th Oct 2025692 AMAQI
10th Oct 2025653 AMAQI
10th Oct 2025644 AMAQI
12°C11/12°C
10th Oct 2025675 AMAQI
10th Oct 2025686 AMAQI
10th Oct 2025697 AMAQI
10th Oct 2025808 AMAQI
10th Oct 2025829 AMAQI
10th Oct 20258010 AMAQI
10th Oct 20255611 AMAQI
10th Oct 20255712 PMAQI
10th Oct 2025661 PMAQI
10th Oct 2025952 PMAQI
10th Oct 2025723 PMAQI
10th Oct 2025624 PMAQI
10th Oct 2025635 PMAQI
10th Oct 2025846 PMAQI
10th Oct 2025907 PMAQI
10th Oct 2025948 PMAQI
10th Oct 2025879 PMAQI
10th Oct 20259210 PMAQI
10th Oct 20258911 PMAQI
11th Oct 20257712 AMAQI
11th Oct 2025731 AMAQI
11th Oct 2025762 AMAQI
11th Oct 2025793 AMAQI
11th Oct 2025674 AMAQI
13°C12/14°C
11th Oct 2025635 AMAQI
11th Oct 2025556 AMAQI
11th Oct 2025517 AMAQI
11th Oct 2025528 AMAQI
11th Oct 2025629 AMAQI
11th Oct 20256310 AMAQI
11th Oct 20256411 AMAQI
11th Oct 20256612 PMAQI
11th Oct 2025761 PMAQI
11th Oct 2025852 PMAQI
11th Oct 2025723 PMAQI
11th Oct 2025674 PMAQI
11th Oct 2025705 PMAQI
11th Oct 2025916 PMAQI
11th Oct 20251047 PMAQI
11th Oct 20251068 PMAQI
11th Oct 20251129 PMAQI
11th Oct 202510810 PMAQI
11th Oct 202510411 PMAQI
12th Oct 202510812 AMAQI
12th Oct 2025961 AMAQI
12th Oct 2025832 AMAQI
12th Oct 2025443 AMAQI
12th Oct 2025624 AMAQI
15°C14/16°C
12th Oct 2025725 AMAQI
12th Oct 2025786 AMAQI
12th Oct 2025887 AMAQI
12th Oct 2025948 AMAQI
12th Oct 2025909 AMAQI
12th Oct 20257310 AMAQI
12th Oct 20255811 AMAQI
12th Oct 20255412 PMAQI
12th Oct 2025581 PMAQI
12th Oct 2025572 PMAQI
12th Oct 2025643 PMAQI
12th Oct 2025804 PMAQI
12th Oct 20251015 PMAQI
12th Oct 20251186 PMAQI
12th Oct 20251057 PMAQI
12th Oct 20251038 PMAQI
12th Oct 20251189 PMAQI
12th Oct 202513510 PMAQI
12th Oct 202515111 PMAQI
13th Oct 202516012 AMAQI
13th Oct 20251721 AMAQI
13th Oct 20251712 AMAQI
13th Oct 20251593 AMAQI
13th Oct 20251544 AMAQI
15°C13/17°C
13th Oct 20251515 AMAQI
5 AM13th Oct 20251336 AMAQI
13th Oct 20251337 AMAQI
13th Oct 20251148 AMAQI
13th Oct 20251219 AMAQI
13th Oct 202512210 AMAQI
13th Oct 202512011 AMAQI
11 AM13th Oct 202512912 PMAQI
13th Oct 20251041 PMAQI
13th Oct 2025912 PMAQI
13th Oct 2025923 PMAQI
13th Oct 20251054 PMAQI
13th Oct 2025765 PMAQI
5 PM13th Oct 2025756 PMAQI
13th Oct 2025757 PMAQI
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 9 AM
78AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
12 PM - 5 PM
66AQI
6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 9 AM (Avg. 78), while the lowest AQI was between 12 PM to 5 PM (Avg. 66).
Night time
Avg. Highest Time
10 PM - 11 PM
85AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
6 PM - 7 PM
72AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 11 PM (Avg. 85), while the lowest AQI was between 6 PM to 7 PM (Avg. 72).
2025 Days Vs Air Quality
BDA, Dalian, Liaoning, China
2025
5%
13
81%
232
13%
38
0.7%
2
Total number of days with different AQI categories in last 286 days in 2025 (79 days remaining)
Good
13 DaysModerate
232 DaysPoor
38 DaysUnhealthy
2 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 5%
Health Risk Level:
Extreme
In 2025, 5% of 286 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
BDA, Dalian, Liaoning, China
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
79AQI
79AQI
2nd January 2025
61AQI
61AQI
3rd January 2025
63AQI
63AQI
4th January 2025
117AQI
117AQI
5th January 2025
143AQI
143AQI
6th January 2025
86AQI
86AQI
7th January 2025
82AQI
82AQI
8th January 2025
55AQI
55AQI
9th January 2025
51AQI
51AQI
10th January 2025
55AQI
55AQI
11th January 2025
78AQI
78AQI
12th January 2025
95AQI
95AQI
13th January 2025
119AQI
119AQI
14th January 2025
73AQI
73AQI
15th January 2025
68AQI
68AQI
16th January 2025
72AQI
72AQI
17th January 2025
71AQI
71AQI
18th January 2025
130AQI
130AQI
19th January 2025
105AQI
105AQI
20th January 2025
108AQI
108AQI
21st January 2025
105AQI
105AQI
22nd January 2025
88AQI
88AQI
23rd January 2025
83AQI
83AQI
24th January 2025
106AQI
106AQI
25th January 2025
135AQI
135AQI
26th January 2025
145AQI
145AQI
27th January 2025
84AQI
84AQI
28th January 2025
95AQI
95AQI
29th January 2025
104AQI
104AQI
30th January 2025
71AQI
71AQI
31st January 2025
104AQI
104AQI
1st February 2025
95AQI
95AQI
2nd February 2025
122AQI
122AQI
3rd February 2025
60AQI
60AQI
4th February 2025
63AQI
63AQI
5th February 2025
57AQI
57AQI
6th February 2025
59AQI
59AQI
7th February 2025
48AQI
48AQI
8th February 2025
52AQI
52AQI
9th February 2025
65AQI
65AQI
10th February 2025
90AQI
90AQI
11th February 2025
84AQI
84AQI
12th February 2025
81AQI
81AQI
13th February 2025
108AQI
108AQI
14th February 2025
136AQI
136AQI
15th February 2025
110AQI
110AQI
16th February 2025
81AQI
81AQI
17th February 2025
64AQI
64AQI
18th February 2025
62AQI
62AQI
19th February 2025
61AQI
61AQI
20th February 2025
61AQI
61AQI
21st February 2025
66AQI
66AQI
22nd February 2025
60AQI
60AQI
23rd February 2025
57AQI
57AQI
24th February 2025
67AQI
67AQI
25th February 2025
107AQI
107AQI
26th February 2025
109AQI
109AQI
27th February 2025
149AQI
149AQI
28th February 2025
151AQI
151AQI
1st March 2025
131AQI
131AQI
2nd March 2025
115AQI
115AQI
3rd March 2025
103AQI
103AQI
4th March 2025
76AQI
76AQI
5th March 2025
85AQI
85AQI
6th March 2025
71AQI
71AQI
7th March 2025
105AQI
105AQI
8th March 2025
121AQI
121AQI
9th March 2025
144AQI
144AQI
10th March 2025
151AQI
151AQI
11th March 2025
118AQI
118AQI
12th March 2025
122AQI
122AQI
13th March 2025
77AQI
77AQI
14th March 2025
89AQI
89AQI
15th March 2025
94AQI
94AQI
16th March 2025
71AQI
71AQI
17th March 2025
89AQI
89AQI
18th March 2025
71AQI
71AQI
19th March 2025
104AQI
104AQI
20th March 2025
132AQI
132AQI
21st March 2025
80AQI
80AQI
22nd March 2025
118AQI
118AQI
23rd March 2025
132AQI
132AQI
24th March 2025
93AQI
93AQI
25th March 2025
124AQI
124AQI
26th March 2025
126AQI
126AQI
27th March 2025
85AQI
85AQI
28th March 2025
67AQI
67AQI
29th March 2025
57AQI
57AQI
30th March 2025
63AQI
63AQI
31st March 2025
98AQI
98AQI
1st April 2025
95AQI
95AQI
2nd April 2025
89AQI
89AQI
3rd April 2025
95AQI
95AQI
4th April 2025
85AQI
85AQI
5th April 2025
73AQI
73AQI
6th April 2025
95AQI
95AQI
7th April 2025
94AQI
94AQI
8th April 2025
83AQI
83AQI
9th April 2025
81AQI
81AQI
10th April 2025
88AQI
88AQI
11th April 2025
74AQI
74AQI
12th April 2025
67AQI
67AQI
13th April 2025
47AQI
47AQI
14th April 2025
59AQI
59AQI
15th April 2025
63AQI
63AQI
16th April 2025
81AQI
81AQI
17th April 2025
89AQI
89AQI
18th April 2025
67AQI
67AQI
19th April 2025
92AQI
92AQI
20th April 2025
89AQI
89AQI
21st April 2025
80AQI
80AQI
22nd April 2025
56AQI
56AQI
23rd April 2025
68AQI
68AQI
24th April 2025
50AQI
50AQI
25th April 2025
47AQI
47AQI
26th April 2025
87AQI
87AQI
27th April 2025
60AQI
60AQI
28th April 2025
70AQI
70AQI
29th April 2025
83AQI
83AQI
30th April 2025
92AQI
92AQI
1st May 2025
66AQI
66AQI
2nd May 2025
64AQI
64AQI
3rd May 2025
54AQI
54AQI
4th May 2025
57AQI
57AQI
5th May 2025
55AQI
55AQI
6th May 2025
60AQI
60AQI
7th May 2025
64AQI
64AQI
8th May 2025
58AQI
58AQI
9th May 2025
64AQI
64AQI
10th May 2025
64AQI
64AQI
11th May 2025
90AQI
90AQI
12th May 2025
92AQI
92AQI
13th May 2025
88AQI
88AQI
14th May 2025
87AQI
87AQI
15th May 2025
83AQI
83AQI
16th May 2025
61AQI
61AQI
17th May 2025
68AQI
68AQI
18th May 2025
62AQI
62AQI
19th May 2025
76AQI
76AQI
20th May 2025
75AQI
75AQI
21st May 2025
77AQI
77AQI
22nd May 2025
108AQI
108AQI
23rd May 2025
85AQI
85AQI
24th May 2025
95AQI
95AQI
25th May 2025
88AQI
88AQI
26th May 2025
93AQI
93AQI
27th May 2025
86AQI
86AQI
28th May 2025
85AQI
85AQI
29th May 2025
77AQI
77AQI
30th May 2025
91AQI
91AQI
31st May 2025
84AQI
84AQI
1st June 2025
90AQI
90AQI
2nd June 2025
90AQI
90AQI
3rd June 2025
51AQI
51AQI
4th June 2025
62AQI
62AQI
5th June 2025
61AQI
61AQI
6th June 2025
80AQI
80AQI
7th June 2025
68AQI
68AQI
8th June 2025
75AQI
75AQI
9th June 2025
59AQI
59AQI
10th June 2025
44AQI
44AQI
11th June 2025
61AQI
61AQI
12th June 2025
54AQI
54AQI
13th June 2025
54AQI
54AQI
14th June 2025
47AQI
47AQI
15th June 2025
49AQI
49AQI
16th June 2025
47AQI
47AQI
17th June 2025
57AQI
57AQI
18th June 2025
60AQI
60AQI
19th June 2025
61AQI
61AQI
20th June 2025
57AQI
57AQI
21st June 2025
58AQI
58AQI
22nd June 2025
55AQI
55AQI
23rd June 2025
57AQI
57AQI
24th June 2025
54AQI
54AQI
25th June 2025
57AQI
57AQI
26th June 2025
57AQI
57AQI
27th June 2025
58AQI
58AQI
28th June 2025
67AQI
67AQI
29th June 2025
61AQI
61AQI
30th June 2025
59AQI
59AQI
1st July 2025
61AQI
61AQI
2nd July 2025
55AQI
55AQI
3rd July 2025
53AQI
53AQI
4th July 2025
62AQI
62AQI
5th July 2025
66AQI
66AQI
6th July 2025
61AQI
61AQI
7th July 2025
60AQI
60AQI
8th July 2025
57AQI
57AQI
9th July 2025
63AQI
63AQI
10th July 2025
64AQI
64AQI
11th July 2025
61AQI
61AQI
12th July 2025
59AQI
59AQI
13th July 2025
61AQI
61AQI
14th July 2025
58AQI
58AQI
15th July 2025
57AQI
57AQI
16th July 2025
55AQI
55AQI
17th July 2025
56AQI
56AQI
18th July 2025
59AQI
59AQI
19th July 2025
55AQI
55AQI
20th July 2025
53AQI
53AQI
21st July 2025
54AQI
54AQI
22nd July 2025
51AQI
51AQI
23rd July 2025
52AQI
52AQI
24th July 2025
54AQI
54AQI
25th July 2025
57AQI
57AQI
26th July 2025
56AQI
56AQI
27th July 2025
56AQI
56AQI
28th July 2025
53AQI
53AQI
29th July 2025
53AQI
53AQI
30th July 2025
53AQI
53AQI
31st July 2025
54AQI
54AQI
1st August 2025
57AQI
57AQI
2nd August 2025
59AQI
59AQI
3rd August 2025
56AQI
56AQI
4th August 2025
48AQI
48AQI
5th August 2025
55AQI
55AQI
6th August 2025
51AQI
51AQI
7th August 2025
51AQI
51AQI
8th August 2025
53AQI
53AQI
9th August 2025
50AQI
50AQI
10th August 2025
51AQI
51AQI
11th August 2025
54AQI
54AQI
12th August 2025
57AQI
57AQI
13th August 2025
52AQI
52AQI
14th August 2025
56AQI
56AQI
15th August 2025
53AQI
53AQI
16th August 2025
47AQI
47AQI
17th August 2025
54AQI
54AQI
18th August 2025
60AQI
60AQI
19th August 2025
58AQI
58AQI
20th August 2025
55AQI
55AQI
21st August 2025
57AQI
57AQI
22nd August 2025
53AQI
53AQI
23rd August 2025
60AQI
60AQI
24th August 2025
58AQI
58AQI
25th August 2025
53AQI
53AQI
26th August 2025
51AQI
51AQI
27th August 2025
56AQI
56AQI
28th August 2025
53AQI
53AQI
29th August 2025
56AQI
56AQI
30th August 2025
53AQI
53AQI
31st August 2025
54AQI
54AQI
1st September 2025
60AQI
60AQI
2nd September 2025
70AQI
70AQI
3rd September 2025
76AQI
76AQI
4th September 2025
72AQI
72AQI
5th September 2025
76AQI
76AQI
6th September 2025
66AQI
66AQI
7th September 2025
66AQI
66AQI
8th September 2025
66AQI
66AQI
9th September 2025
78AQI
78AQI
10th September 2025
68AQI
68AQI
11th September 2025
72AQI
72AQI
12th September 2025
71AQI
71AQI
13th September 2025
67AQI
67AQI
14th September 2025
74AQI
74AQI
15th September 2025
68AQI
68AQI
16th September 2025
57AQI
57AQI
17th September 2025
47AQI
47AQI
18th September 2025
50AQI
50AQI
19th September 2025
59AQI
59AQI
20th September 2025
56AQI
56AQI
21st September 2025
57AQI
57AQI
22nd September 2025
59AQI
59AQI
23rd September 2025
57AQI
57AQI
24th September 2025
63AQI
63AQI
25th September 2025
87AQI
87AQI
26th September 2025
111AQI
111AQI
27th September 2025
84AQI
84AQI
28th September 2025
101AQI
101AQI
29th September 2025
118AQI
118AQI
30th September 2025
93AQI
93AQI
1st October 2025
110AQI
110AQI
2nd October 2025
99AQI
99AQI
3rd October 2025
63AQI
63AQI
4th October 2025
83AQI
83AQI
5th October 2025
87AQI
87AQI
6th October 2025
69AQI
69AQI
7th October 2025
62AQI
62AQI
8th October 2025
69AQI
69AQI
9th October 2025
74AQI
74AQI
10th October 2025
75AQI
75AQI
11th October 2025
79AQI
79AQI
12th October 2025
88AQI
88AQI
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
91AQI
83AQI
100AQI
77AQI
76AQI
60AQI
57AQI
54AQI
72AQI
80AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202575AQI
19
12
1
19
7
1
16
14
1
3
27
30
1
4
26
31
3
28
2
25
3
11
1
13
232
38
2
Highest AQI recorded in
March100AQI
Lowest AQI recorded in
August54AQI
202479AQI
3
13
13
2
11
11
6
1
1
17
10
3
1
19
8
2
2
24
5
11
19
7
19
5
10
17
4
10
20
8
19
4
9
16
5
4
24
3
66
218
68
13
1
Highest AQI recorded in
February114AQI
Lowest AQI recorded in
September59AQI
202385AQI
1
21
6
1
2
1
15
5
7
1
12
16
2
2
12
15
1
3
22
6
1
29
10
19
2
9
19
3
8
19
3
9
14
6
2
7
15
5
1
1
5
9
12
5
57
206
79
19
3
Highest AQI recorded in
March109AQI
Lowest AQI recorded in
August64AQI
202275AQI
1
6
4
19
8
10
20
4
15
2
1
9
15
4
11
15
4
1
4
14
8
4
5
19
7
47
124
34
5
Highest AQI recorded in
March122AQI
Lowest AQI recorded in
June59AQI
2021107AQI
2
17
8
3
1
2
10
8
8
10
10
9
2
1
19
7
1
5
56
33
21
3
Highest AQI recorded in
March128AQI
Lowest AQI recorded in
April92AQI
202077AQI
3
7
3
2
7
9
3
2
14
2
4
24
1
1
6
23
2
12
19
6
23
1
7
12
10
2
8
12
8
1
1
3
16
7
5
53
157
43
12
1
Highest AQI recorded in
April100AQI
Lowest AQI recorded in
August55AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
107AQILeast Polluted Year Recorded
2025(Avg.)
75AQIBDA's annual 2025 AQI (75) shows an average percentage change of -10.2% (improved AQI) compared to previous years: 2020 (77), 2021 (107), 2022 (75), 2023 (85), 2024 (79).
