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HistoryAQIPM2.5PM10COSO2NO2O3

D D Port, 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

D D Port, Dalian, Liaoning, China

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
26th Oct 2021
155AQI
Lowest AQI recorded on
1st Oct 2024
16AQI

Same Day Analysis (14th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 53 of Moderate air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 14th Oct - 15th Oct 2025

D D Port, Dalian, Liaoning, China

AQI
Day
Night
.

5 AM14th Oct 2025

5 PM

4 AM15th Oct 2025

Day time
Avg. Highest Time
7AM14th Oct

66AQI

Avg. Lowest Time
8AM14th Oct

38AQI

Night time
Avg. Highest Time
5AM14th Oct

66AQI

Avg. Lowest Time
6PM14th Oct

41AQI

In the last 24 hours,

D D Port's AQI reached its highest point of 66 at 5 AM during the Night, while the lowest point, 38, was recorded at 8 AM during the Day between 14th Oct and 15th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

D D Port, Dalian, Liaoning, China

SepOct
15th - 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 - 14th14th - 15th15th
Day
Night
15th Sep 2025715 AMAQI
15th Sep 2025726 AMAQI
15th Sep 2025727 AMAQI
15th Sep 2025658 AMAQI
15th Sep 2025589 AMAQI
15th Sep 20256010 AMAQI
15th Sep 20255811 AMAQI
15th Sep 20255512 PMAQI
15th Sep 2025581 PMAQI
15th Sep 2025622 PMAQI
15th Sep 2025633 PMAQI
15th Sep 2025664 PMAQI
15th Sep 2025685 PMAQI
15th Sep 2025666 PMAQI
15th Sep 2025687 PMAQI
15th Sep 2025678 PMAQI
15th Sep 2025599 PMAQI
15th Sep 20256110 PMAQI
15th Sep 20256911 PMAQI
16th Sep 20256712 AMAQI
16th Sep 2025711 AMAQI
16th Sep 2025722 AMAQI
16th Sep 2025723 AMAQI
16th Sep 2025714 AMAQI

24°C22/26°C

16th Sep 2025665 AMAQI
16th Sep 2025706 AMAQI
16th Sep 2025707 AMAQI
16th Sep 2025588 AMAQI
16th Sep 2025559 AMAQI
16th Sep 20254310 AMAQI
16th Sep 20252411 AMAQI
16th Sep 20252112 PMAQI
16th Sep 2025391 PMAQI
16th Sep 2025392 PMAQI
16th Sep 2025593 PMAQI
16th Sep 2025564 PMAQI
16th Sep 2025395 PMAQI
16th Sep 2025276 PMAQI
16th Sep 2025407 PMAQI
16th Sep 2025558 PMAQI
16th Sep 2025559 PMAQI
16th Sep 20255710 PMAQI
16th Sep 20255611 PMAQI
17th Sep 20256012 AMAQI
17th Sep 2025661 AMAQI
17th Sep 2025692 AMAQI
17th Sep 2025663 AMAQI
17th Sep 2025644 AMAQI

22°C19/26°C

17th Sep 2025645 AMAQI
17th Sep 2025646 AMAQI
17th Sep 2025647 AMAQI
17th Sep 2025328 AMAQI
17th Sep 2025199 AMAQI
17th Sep 20251710 AMAQI
17th Sep 20252011 AMAQI
17th Sep 20251912 PMAQI
17th Sep 2025191 PMAQI
17th Sep 2025182 PMAQI
17th Sep 2025163 PMAQI
17th Sep 2025204 PMAQI
17th Sep 2025185 PMAQI
17th Sep 2025206 PMAQI
17th Sep 2025437 PMAQI
17th Sep 2025568 PMAQI
17th Sep 2025529 PMAQI
17th Sep 20255310 PMAQI
17th Sep 20255211 PMAQI
18th Sep 20255212 AMAQI
18th Sep 2025641 AMAQI
18th Sep 2025642 AMAQI
18th Sep 2025623 AMAQI
18th Sep 2025584 AMAQI

19°C17/21°C

18th Sep 2025585 AMAQI
18th Sep 2025586 AMAQI
18th Sep 2025587 AMAQI
18th Sep 2025298 AMAQI
18th Sep 2025209 AMAQI
18th Sep 20252010 AMAQI
18th Sep 20252011 AMAQI
18th Sep 20252112 PMAQI
18th Sep 2025231 PMAQI
18th Sep 2025272 PMAQI
18th Sep 2025303 PMAQI
18th Sep 2025364 PMAQI
18th Sep 2025435 PMAQI
18th Sep 2025416 PMAQI
18th Sep 2025437 PMAQI
18th Sep 2025558 PMAQI
18th Sep 2025569 PMAQI
18th Sep 20255810 PMAQI
18th Sep 20255811 PMAQI
19th Sep 20255712 AMAQI
19th Sep 2025591 AMAQI
19th Sep 2025592 AMAQI
19th Sep 2025583 AMAQI
19th Sep 2025544 AMAQI

20°C17/22°C

19th Sep 2025545 AMAQI
19th Sep 2025546 AMAQI
19th Sep 2025547 AMAQI
19th Sep 2025608 AMAQI
19th Sep 2025639 AMAQI
19th Sep 20256010 AMAQI
19th Sep 20256111 AMAQI
19th Sep 20256112 PMAQI
19th Sep 2025581 PMAQI
19th Sep 2025602 PMAQI
19th Sep 2025563 PMAQI
19th Sep 2025574 PMAQI
19th Sep 2025555 PMAQI
19th Sep 2025566 PMAQI
19th Sep 2025587 PMAQI
19th Sep 2025588 PMAQI
19th Sep 2025589 PMAQI
19th Sep 20255810 PMAQI
19th Sep 20255711 PMAQI
20th Sep 20255812 AMAQI
20th Sep 2025571 AMAQI
20th Sep 2025562 AMAQI
20th Sep 2025573 AMAQI
20th Sep 2025594 AMAQI

20°C18/22°C

20th Sep 2025595 AMAQI
20th Sep 2025586 AMAQI
20th Sep 2025597 AMAQI
20th Sep 2025658 AMAQI
20th Sep 2025629 AMAQI
20th Sep 20255810 AMAQI
20th Sep 20255011 AMAQI
20th Sep 20255312 PMAQI
20th Sep 2025531 PMAQI
20th Sep 2025512 PMAQI
20th Sep 2025503 PMAQI
20th Sep 2025464 PMAQI
20th Sep 2025435 PMAQI
20th Sep 2025476 PMAQI
20th Sep 2025547 PMAQI
20th Sep 2025588 PMAQI
20th Sep 2025609 PMAQI
20th Sep 20256010 PMAQI
20th Sep 20256011 PMAQI
21st Sep 20255812 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 2025638 AMAQI
21st Sep 2025679 AMAQI
21st Sep 20255810 AMAQI
21st Sep 20255611 AMAQI
21st Sep 20255612 PMAQI
21st Sep 2025521 PMAQI
21st Sep 2025532 PMAQI
21st Sep 2025533 PMAQI
21st Sep 2025504 PMAQI
21st Sep 2025465 PMAQI
21st Sep 2025476 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 2025602 AMAQI
22nd Sep 2025603 AMAQI
22nd Sep 2025574 AMAQI

22°C18/25°C

22nd Sep 2025575 AMAQI
22nd Sep 2025586 AMAQI
22nd Sep 2025587 AMAQI
22nd Sep 2025668 AMAQI
22nd Sep 2025639 AMAQI
22nd Sep 20257010 AMAQI
22nd Sep 20256411 AMAQI
22nd Sep 20256212 PMAQI
22nd Sep 2025601 PMAQI
22nd Sep 2025572 PMAQI
22nd Sep 2025523 PMAQI
22nd Sep 2025484 PMAQI
22nd Sep 2025465 PMAQI
22nd Sep 2025526 PMAQI
22nd Sep 2025567 PMAQI
22nd Sep 2025618 PMAQI
22nd Sep 2025619 PMAQI
22nd Sep 20256010 PMAQI
22nd Sep 20256211 PMAQI
23rd Sep 20256012 AMAQI
23rd Sep 2025601 AMAQI
23rd Sep 2025612 AMAQI
23rd Sep 2025613 AMAQI
23rd Sep 2025614 AMAQI

22°C21/24°C

23rd Sep 2025605 AMAQI
23rd Sep 2025616 AMAQI
23rd Sep 2025617 AMAQI
23rd Sep 2025588 AMAQI
23rd Sep 2025549 AMAQI
23rd Sep 20255510 AMAQI
23rd Sep 20254811 AMAQI
23rd Sep 20255212 PMAQI
23rd Sep 2025511 PMAQI
23rd Sep 2025502 PMAQI
23rd Sep 2025523 PMAQI
23rd Sep 2025484 PMAQI
23rd Sep 2025475 PMAQI
23rd Sep 2025436 PMAQI
23rd Sep 2025487 PMAQI
23rd Sep 2025598 PMAQI
23rd Sep 2025609 PMAQI
23rd Sep 20255910 PMAQI
23rd Sep 20256011 PMAQI
24th Sep 20256212 AMAQI
24th Sep 2025611 AMAQI
24th Sep 2025602 AMAQI
24th Sep 2025603 AMAQI
24th Sep 2025604 AMAQI

21°C19/23°C

24th Sep 2025605 AMAQI
24th Sep 2025616 AMAQI
24th Sep 2025617 AMAQI
24th Sep 2025338 AMAQI
24th Sep 2025289 AMAQI
24th Sep 20252610 AMAQI
24th Sep 20254211 AMAQI
24th Sep 20255512 PMAQI
24th Sep 2025641 PMAQI
24th Sep 2025642 PMAQI
24th Sep 2025683 PMAQI
24th Sep 2025784 PMAQI
24th Sep 2025835 PMAQI
24th Sep 2025886 PMAQI
24th Sep 2025767 PMAQI
24th Sep 2025648 PMAQI
24th Sep 2025639 PMAQI
24th Sep 20256410 PMAQI
24th Sep 20256711 PMAQI
25th Sep 20256512 AMAQI
25th Sep 2025611 AMAQI
25th Sep 2025622 AMAQI
25th Sep 2025613 AMAQI
25th Sep 2025614 AMAQI

20°C18/22°C

25th Sep 2025615 AMAQI
25th Sep 2025616 AMAQI
25th Sep 2025617 AMAQI
25th Sep 2025888 AMAQI
25th Sep 2025999 AMAQI
25th Sep 202511510 AMAQI
25th Sep 202512511 AMAQI
25th Sep 20259912 PMAQI
25th Sep 20251261 PMAQI
25th Sep 20251262 PMAQI
25th Sep 20251223 PMAQI
25th Sep 2025864 PMAQI
25th Sep 2025625 PMAQI
25th Sep 2025546 PMAQI
25th Sep 2025667 PMAQI
25th Sep 2025668 PMAQI
25th Sep 2025789 PMAQI
25th Sep 20257410 PMAQI
25th Sep 20256911 PMAQI
26th Sep 20256712 AMAQI
26th Sep 2025591 AMAQI
26th Sep 2025422 AMAQI
26th Sep 2025283 AMAQI
26th Sep 2025224 AMAQI

23°C20/26°C

26th Sep 2025265 AMAQI
26th Sep 2025526 AMAQI
26th Sep 2025647 AMAQI
26th Sep 2025928 AMAQI
26th Sep 2025839 AMAQI
26th Sep 20257410 AMAQI
26th Sep 20256111 AMAQI
26th Sep 20257512 PMAQI
26th Sep 20251021 PMAQI
26th Sep 20251142 PMAQI
26th Sep 20251143 PMAQI
26th Sep 20251134 PMAQI
26th Sep 20251145 PMAQI
26th Sep 20251176 PMAQI
26th Sep 20251167 PMAQI
26th Sep 2025948 PMAQI
26th Sep 2025599 PMAQI
26th Sep 20254510 PMAQI
26th Sep 20255011 PMAQI
27th Sep 20256312 AMAQI
27th Sep 2025701 AMAQI
27th Sep 2025632 AMAQI
27th Sep 2025393 AMAQI
27th Sep 2025354 AMAQI

23°C21/25°C

27th Sep 2025285 AMAQI
27th Sep 2025306 AMAQI
27th Sep 2025367 AMAQI
27th Sep 2025478 AMAQI
27th Sep 2025599 AMAQI
27th Sep 20256510 AMAQI
27th Sep 20256811 AMAQI
27th Sep 20257212 PMAQI
27th Sep 2025751 PMAQI
27th Sep 2025782 PMAQI
27th Sep 2025833 PMAQI
27th Sep 2025824 PMAQI
27th Sep 2025775 PMAQI
27th Sep 2025746 PMAQI
27th Sep 2025737 PMAQI
27th Sep 2025768 PMAQI
27th Sep 2025809 PMAQI
27th Sep 20257810 PMAQI
27th Sep 20258611 PMAQI
28th Sep 20258712 AMAQI
28th Sep 2025811 AMAQI
28th Sep 2025862 AMAQI
28th Sep 2025823 AMAQI
28th Sep 2025844 AMAQI

22°C21/25°C

28th Sep 2025875 AMAQI
28th Sep 2025806 AMAQI
28th Sep 2025757 AMAQI
28th Sep 2025818 AMAQI
28th Sep 2025849 AMAQI
28th Sep 20258110 AMAQI
28th Sep 20257911 AMAQI
28th Sep 20257312 PMAQI
28th Sep 2025721 PMAQI
28th Sep 2025722 PMAQI
28th Sep 2025703 PMAQI
28th Sep 2025684 PMAQI
28th Sep 2025655 PMAQI
28th Sep 2025656 PMAQI
28th Sep 2025707 PMAQI
28th Sep 2025798 PMAQI
28th Sep 2025889 PMAQI
28th Sep 20259810 PMAQI
28th Sep 202510111 PMAQI
29th Sep 20258812 AMAQI
29th Sep 2025911 AMAQI
29th Sep 20251032 AMAQI
29th Sep 20251033 AMAQI
29th Sep 2025974 AMAQI

21°C18/23°C

29th Sep 2025975 AMAQI
29th Sep 20251016 AMAQI
29th Sep 20251027 AMAQI
29th Sep 2025878 AMAQI
29th Sep 2025949 AMAQI
29th Sep 20259710 AMAQI
29th Sep 20259511 AMAQI
29th Sep 20258712 PMAQI
29th Sep 2025751 PMAQI
29th Sep 2025772 PMAQI
29th Sep 2025763 PMAQI
29th Sep 2025734 PMAQI
29th Sep 2025845 PMAQI
29th Sep 2025906 PMAQI
29th Sep 20251067 PMAQI
29th Sep 20251088 PMAQI
29th Sep 20251049 PMAQI
29th Sep 202511310 PMAQI
29th Sep 20259011 PMAQI
30th Sep 20257912 AMAQI
30th Sep 2025791 AMAQI
30th Sep 2025732 AMAQI
30th Sep 2025703 AMAQI
30th Sep 2025714 AMAQI

22°C20/24°C

30th Sep 2025805 AMAQI
30th Sep 2025996 AMAQI
30th Sep 20251057 AMAQI
30th Sep 20251108 AMAQI
30th Sep 20251119 AMAQI
30th Sep 202510910 AMAQI
30th Sep 202510511 AMAQI
30th Sep 20258312 PMAQI
30th Sep 2025801 PMAQI
30th Sep 2025842 PMAQI
30th Sep 2025863 PMAQI
30th Sep 2025984 PMAQI
30th Sep 20251175 PMAQI
30th Sep 20251226 PMAQI
30th Sep 2025607 PMAQI
30th Sep 2025848 PMAQI
30th Sep 2025729 PMAQI
30th Sep 202510310 PMAQI
30th Sep 20257911 PMAQI
1st Oct 20258012 AMAQI
1st Oct 2025881 AMAQI
1st Oct 20251062 AMAQI
1st Oct 20251073 AMAQI
1st Oct 20251264 AMAQI

23°C21/25°C

1st Oct 20251265 AMAQI
1st Oct 20251266 AMAQI
1st Oct 20251207 AMAQI
1st Oct 20251048 AMAQI
1st Oct 20251069 AMAQI
1st Oct 202510310 AMAQI
1st Oct 202511111 AMAQI
1st Oct 202511912 PMAQI
1st Oct 20251191 PMAQI
1st Oct 20251192 PMAQI
1st Oct 20251193 PMAQI
1st Oct 20251144 PMAQI
1st Oct 20251115 PMAQI
1st Oct 20251236 PMAQI
1st Oct 20251117 PMAQI
1st Oct 20251238 PMAQI
1st Oct 20251329 PMAQI
1st Oct 202514310 PMAQI
1st Oct 202514811 PMAQI
2nd Oct 202514412 AMAQI
2nd Oct 20251241 AMAQI
2nd Oct 20251172 AMAQI
2nd Oct 2025903 AMAQI
2nd Oct 2025744 AMAQI

23°C21/25°C

2nd Oct 2025695 AMAQI
2nd Oct 2025616 AMAQI
2nd Oct 2025637 AMAQI
2nd Oct 2025638 AMAQI
2nd Oct 2025659 AMAQI
2nd Oct 20256310 AMAQI
2nd Oct 20256011 AMAQI
2nd Oct 20255512 PMAQI
2nd Oct 2025491 PMAQI
2nd Oct 2025512 PMAQI
2nd Oct 2025503 PMAQI
2nd Oct 2025494 PMAQI
2nd Oct 2025485 PMAQI
2nd Oct 2025506 PMAQI
2nd Oct 2025457 PMAQI
2nd Oct 2025338 PMAQI
2nd Oct 2025349 PMAQI
2nd Oct 20253510 PMAQI
2nd Oct 20253711 PMAQI
3rd Oct 20254112 AMAQI
3rd Oct 2025391 AMAQI
3rd Oct 2025602 AMAQI
3rd Oct 2025763 AMAQI
3rd Oct 2025964 AMAQI

22°C20/24°C

3rd Oct 20251035 AMAQI
3rd Oct 20251016 AMAQI
3rd Oct 2025807 AMAQI
3rd Oct 2025738 AMAQI
3rd Oct 2025509 AMAQI
3rd Oct 20255110 AMAQI
3rd Oct 20255311 AMAQI
3rd Oct 20254312 PMAQI
3rd Oct 2025451 PMAQI
3rd Oct 2025462 PMAQI
3rd Oct 2025323 PMAQI
3rd Oct 2025414 PMAQI
3rd Oct 2025385 PMAQI
3rd Oct 2025426 PMAQI
3rd Oct 2025407 PMAQI
3rd Oct 2025508 PMAQI
3rd Oct 2025579 PMAQI
3rd Oct 20256510 PMAQI
3rd Oct 20256411 PMAQI
4th Oct 20256812 AMAQI
4th Oct 2025671 AMAQI
4th Oct 2025752 AMAQI
4th Oct 2025843 AMAQI
4th Oct 2025884 AMAQI

21°C19/23°C

4th Oct 2025945 AMAQI
4th Oct 2025926 AMAQI
4th Oct 2025897 AMAQI
4th Oct 2025888 AMAQI
4th Oct 2025909 AMAQI
4th Oct 20259010 AMAQI
4th Oct 20258911 AMAQI
4th Oct 20258312 PMAQI
4th Oct 2025771 PMAQI
4th Oct 2025722 PMAQI
4th Oct 2025723 PMAQI
4th Oct 2025734 PMAQI
4th Oct 2025735 PMAQI
4th Oct 2025836 PMAQI
4th Oct 2025807 PMAQI
4th Oct 2025778 PMAQI
4th Oct 2025809 PMAQI
4th Oct 20258010 PMAQI
4th Oct 20256911 PMAQI
5th Oct 20256912 AMAQI
5th Oct 2025751 AMAQI
5th Oct 2025752 AMAQI
5th Oct 2025803 AMAQI
5th Oct 2025884 AMAQI

21°C19/23°C

5th Oct 2025815 AMAQI
5th Oct 2025846 AMAQI
5th Oct 2025827 AMAQI
5th Oct 2025858 AMAQI
5th Oct 2025769 AMAQI
5th Oct 20257510 AMAQI
5th Oct 20257611 AMAQI
5th Oct 20257212 PMAQI
5th Oct 2025691 PMAQI
5th Oct 2025662 PMAQI
5th Oct 2025673 PMAQI
5th Oct 2025764 PMAQI
5th Oct 2025785 PMAQI
5th Oct 2025696 PMAQI
5th Oct 2025697 PMAQI
5th Oct 2025688 PMAQI
5th Oct 2025719 PMAQI
5th Oct 20257310 PMAQI
5th Oct 20258611 PMAQI
6th Oct 20258212 AMAQI
6th Oct 2025781 AMAQI
6th Oct 2025772 AMAQI
6th Oct 2025753 AMAQI
6th Oct 2025704 AMAQI

21°C17/23°C

6th Oct 2025695 AMAQI
6th Oct 2025766 AMAQI
6th Oct 2025717 AMAQI
6th Oct 2025778 AMAQI
6th Oct 2025789 AMAQI
6th Oct 20257610 AMAQI
6th Oct 20257711 AMAQI
6th Oct 20257812 PMAQI
6th Oct 20251011 PMAQI
6th Oct 2025962 PMAQI
6th Oct 2025873 PMAQI
6th Oct 2025794 PMAQI
6th Oct 2025755 PMAQI
6th Oct 2025626 PMAQI
6th Oct 2025567 PMAQI
6th Oct 2025598 PMAQI
6th Oct 2025489 PMAQI
6th Oct 20254910 PMAQI
6th Oct 20254911 PMAQI
7th Oct 20255012 AMAQI
7th Oct 2025341 AMAQI

16°C14/18°C

7th Oct 2025347 PMAQI
7th Oct 2025508 PMAQI
7th Oct 2025649 PMAQI
7th Oct 20256710 PMAQI
7th Oct 20253511 PMAQI
8th Oct 20254212 AMAQI
8th Oct 2025481 AMAQI
8th Oct 2025562 AMAQI
8th Oct 2025563 AMAQI
8th Oct 2025604 AMAQI

19°C17/21°C

8th Oct 2025625 AMAQI
8th Oct 2025636 AMAQI
8th Oct 2025567 AMAQI
8th Oct 2025448 AMAQI
8th Oct 2025539 AMAQI
8th Oct 20254510 AMAQI
8th Oct 20254311 AMAQI
8th Oct 20254812 PMAQI
8th Oct 2025521 PMAQI
8th Oct 2025472 PMAQI
8th Oct 2025423 PMAQI
8th Oct 2025444 PMAQI
8th Oct 2025485 PMAQI
8th Oct 2025556 PMAQI
8th Oct 2025567 PMAQI
8th Oct 2025568 PMAQI
8th Oct 2025619 PMAQI
8th Oct 20256510 PMAQI
8th Oct 20257311 PMAQI
9th Oct 20257312 AMAQI
9th Oct 2025751 AMAQI
9th Oct 2025712 AMAQI
9th Oct 2025663 AMAQI
9th Oct 2025584 AMAQI

16°C14/18°C

9th Oct 2025555 AMAQI
9th Oct 2025616 AMAQI
9th Oct 2025787 AMAQI
9th Oct 2025828 AMAQI
9th Oct 2025749 AMAQI
9th Oct 20256410 AMAQI
9th Oct 20256411 AMAQI
9th Oct 20257012 PMAQI
9th Oct 2025711 PMAQI
9th Oct 2025732 PMAQI
9th Oct 2025843 PMAQI
9th Oct 2025764 PMAQI
9th Oct 2025855 PMAQI
9th Oct 2025856 PMAQI
9th Oct 2025817 PMAQI
9th Oct 2025728 PMAQI
9th Oct 2025819 PMAQI
9th Oct 20257810 PMAQI
9th Oct 20257911 PMAQI
10th Oct 20257312 AMAQI
10th Oct 2025711 AMAQI
10th Oct 2025712 AMAQI
10th Oct 2025683 AMAQI
10th Oct 2025724 AMAQI

12°C11/12°C

10th Oct 2025685 AMAQI
10th Oct 2025656 AMAQI
10th Oct 2025687 AMAQI
10th Oct 2025528 AMAQI
10th Oct 2025589 AMAQI
10th Oct 20256410 AMAQI
10th Oct 20256411 AMAQI
10th Oct 20257012 PMAQI
10th Oct 2025711 PMAQI
10th Oct 2025862 PMAQI
10th Oct 2025903 PMAQI
10th Oct 2025744 PMAQI
10th Oct 2025755 PMAQI
10th Oct 2025666 PMAQI
10th Oct 2025737 PMAQI
10th Oct 2025758 PMAQI
10th Oct 2025779 PMAQI
10th Oct 20258310 PMAQI
10th Oct 20258911 PMAQI
11th Oct 20256512 AMAQI
11th Oct 2025471 AMAQI
11th Oct 2025542 AMAQI
11th Oct 2025543 AMAQI
11th Oct 2025584 AMAQI

13°C12/14°C

11th Oct 2025555 AMAQI
11th Oct 2025566 AMAQI
11th Oct 2025547 AMAQI
11th Oct 2025448 AMAQI
11th Oct 2025429 AMAQI
11th Oct 20254210 AMAQI
11th Oct 20254811 AMAQI
11th Oct 20255712 PMAQI
11th Oct 2025591 PMAQI
11th Oct 2025612 PMAQI
11th Oct 2025653 PMAQI
11th Oct 2025674 PMAQI
11th Oct 2025725 PMAQI
11th Oct 2025856 PMAQI
11th Oct 2025927 PMAQI
11th Oct 2025958 PMAQI
11th Oct 20251029 PMAQI
11th Oct 202510410 PMAQI
11th Oct 202511711 PMAQI
12th Oct 202511112 AMAQI
12th Oct 2025981 AMAQI
12th Oct 2025862 AMAQI
12th Oct 2025823 AMAQI
12th Oct 2025754 AMAQI

15°C14/16°C

12th Oct 2025765 AMAQI
12th Oct 2025786 AMAQI
12th Oct 2025817 AMAQI
12th Oct 2025988 AMAQI
12th Oct 20251109 AMAQI
12th Oct 202510110 AMAQI
12th Oct 20259111 AMAQI
12th Oct 20256612 PMAQI
12th Oct 2025561 PMAQI
12th Oct 2025592 PMAQI
12th Oct 2025603 PMAQI
12th Oct 2025664 PMAQI
12th Oct 2025725 PMAQI
12th Oct 2025706 PMAQI
12th Oct 2025837 PMAQI
12th Oct 20251098 PMAQI
12th Oct 20251149 PMAQI
12th Oct 202511910 PMAQI
12th Oct 202514511 PMAQI
13th Oct 202514612 AMAQI
13th Oct 20251511 AMAQI
13th Oct 20251682 AMAQI
13th Oct 20251623 AMAQI
13th Oct 20251594 AMAQI

15°C13/17°C

13th Oct 20251565 AMAQI
13th Oct 20251586 AMAQI
13th Oct 20251587 AMAQI
13th Oct 20251458 AMAQI
13th Oct 20251379 AMAQI
13th Oct 202513110 AMAQI
13th Oct 202511911 AMAQI
13th Oct 202512212 PMAQI
13th Oct 2025961 PMAQI
13th Oct 2025842 PMAQI
13th Oct 2025683 PMAQI
13th Oct 2025694 PMAQI
13th Oct 2025595 PMAQI
13th Oct 2025456 PMAQI
13th Oct 2025407 PMAQI
13th Oct 2025428 PMAQI
13th Oct 2025459 PMAQI
13th Oct 20254510 PMAQI
13th Oct 20254411 PMAQI
14th Oct 20255012 AMAQI
14th Oct 2025551 AMAQI
14th Oct 2025632 AMAQI
14th Oct 2025693 AMAQI
14th Oct 2025714 AMAQI

17°C14/19°C

14th Oct 2025665 AMAQI
14th Oct 2025656 AMAQI
14th Oct 2025667 AMAQI
14th Oct 2025388 AMAQI
14th Oct 2025429 AMAQI
14th Oct 20254110 AMAQI
14th Oct 20254011 AMAQI
14th Oct 20254112 PMAQI
14th Oct 2025531 PMAQI
14th Oct 2025542 PMAQI
14th Oct 2025513 PMAQI
14th Oct 2025494 PMAQI
14th Oct 2025405 PMAQI
14th Oct 2025416 PMAQI
14th Oct 2025447 PMAQI
14th Oct 2025448 PMAQI
14th Oct 2025449 PMAQI
14th Oct 20254910 PMAQI
14th Oct 20255011 PMAQI
15th Oct 20255612 AMAQI
15th Oct 2025581 AMAQI
15th Oct 2025582 AMAQI
15th Oct 2025553 AMAQI
15th Oct 2025544 AMAQI

18°C15/20°C

15th Oct 2025635 AMAQI
5 AM
15th Oct 2025716 AMAQI
15th Oct 2025787 AMAQI
15th Oct 2025918 AMAQI
15th Oct 2025979 AMAQI
15th Oct 202510010 AMAQI
15th Oct 20259111 AMAQI
11 AM
15th Oct 20259112 PMAQI
15th Oct 2025861 PMAQI
15th Oct 2025862 PMAQI
15th Oct 2025863 PMAQI
5 PM
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 5 PM

69AQI

13 hours / Day
390 hours / Month
Avg. Lowest Time
12 PM

65AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 5 PM (Avg. 69), while the lowest AQI was between 12 PM to 12 PM (Avg. 65).
Night time
Avg. Highest Time
2 AM - 4 AM

72AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
6 PM - 7 PM

65AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 4 AM (Avg. 72), while the lowest AQI was between 6 PM to 7 PM (Avg. 65).

2025 Days Vs Air Quality

D D Port, Dalian, Liaoning, China

2025

8%

22

81%

232

11%

32

0.3%

1

Total number of days with different AQI categories in last 288 days in 2025 (77 days remaining)

Good
22 Days
Moderate
232 Days
Poor
32 Days
Unhealthy
1 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 8%

Health Risk Level:

Extreme

In 2025, 8% of 288 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

D D Port, 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
76AQI
2nd January 2025
60AQI
3rd January 2025
55AQI
4th January 2025
110AQI
5th January 2025
144AQI
6th January 2025
78AQI
7th January 2025
80AQI
8th January 2025
54AQI
9th January 2025
50AQI
10th January 2025
57AQI
11th January 2025
73AQI
12th January 2025
84AQI
13th January 2025
118AQI
14th January 2025
71AQI
15th January 2025
63AQI
16th January 2025
74AQI
17th January 2025
62AQI
18th January 2025
125AQI
19th January 2025
109AQI
20th January 2025
101AQI
21st January 2025
107AQI
22nd January 2025
83AQI
23rd January 2025
78AQI
24th January 2025
104AQI
25th January 2025
129AQI
26th January 2025
149AQI
27th January 2025
83AQI
28th January 2025
96AQI
29th January 2025
93AQI
30th January 2025
69AQI
31st January 2025
96AQI
1st February 2025
90AQI
2nd February 2025
120AQI
3rd February 2025
59AQI
4th February 2025
62AQI
5th February 2025
50AQI
6th February 2025
58AQI
7th February 2025
45AQI
8th February 2025
50AQI
9th February 2025
58AQI
10th February 2025
84AQI
11th February 2025
77AQI
12th February 2025
68AQI
13th February 2025
99AQI
14th February 2025
132AQI
15th February 2025
101AQI
16th February 2025
80AQI
17th February 2025
61AQI
18th February 2025
62AQI
19th February 2025
60AQI
20th February 2025
61AQI
21st February 2025
64AQI
22nd February 2025
56AQI
23rd February 2025
54AQI
24th February 2025
64AQI
25th February 2025
100AQI
26th February 2025
104AQI
27th February 2025
145AQI
28th February 2025
137AQI
1st March 2025
119AQI
2nd March 2025
112AQI
3rd March 2025
90AQI
4th March 2025
72AQI
5th March 2025
84AQI
6th March 2025
78AQI
7th March 2025
102AQI
8th March 2025
123AQI
9th March 2025
145AQI
10th March 2025
154AQI
11th March 2025
132AQI
12th March 2025
111AQI
13th March 2025
80AQI
14th March 2025
88AQI
15th March 2025
90AQI
16th March 2025
69AQI
17th March 2025
82AQI
18th March 2025
68AQI
19th March 2025
100AQI
20th March 2025
125AQI
21st March 2025
75AQI
22nd March 2025
101AQI
23rd March 2025
130AQI
24th March 2025
98AQI
25th March 2025
130AQI
26th March 2025
127AQI
27th March 2025
84AQI
28th March 2025
65AQI
29th March 2025
57AQI
30th March 2025
62AQI
31st March 2025
104AQI
1st April 2025
92AQI
2nd April 2025
89AQI
3rd April 2025
94AQI
4th April 2025
87AQI
5th April 2025
71AQI
6th April 2025
84AQI
7th April 2025
85AQI
8th April 2025
78AQI
9th April 2025
78AQI
10th April 2025
88AQI
11th April 2025
71AQI
12th April 2025
67AQI
13th April 2025
46AQI
14th April 2025
59AQI
15th April 2025
60AQI
16th April 2025
77AQI
17th April 2025
84AQI
18th April 2025
66AQI
19th April 2025
88AQI
20th April 2025
90AQI
21st April 2025
72AQI
22nd April 2025
58AQI
23rd April 2025
68AQI
24th April 2025
52AQI
25th April 2025
47AQI
26th April 2025
83AQI
27th April 2025
61AQI
28th April 2025
71AQI
29th April 2025
83AQI
30th April 2025
86AQI
1st May 2025
64AQI
2nd May 2025
53AQI
3rd May 2025
50AQI
4th May 2025
55AQI
5th May 2025
54AQI
6th May 2025
60AQI
7th May 2025
65AQI
8th May 2025
55AQI
9th May 2025
63AQI
10th May 2025
63AQI
11th May 2025
92AQI
12th May 2025
85AQI
13th May 2025
88AQI
14th May 2025
81AQI
15th May 2025
85AQI
16th May 2025
58AQI
17th May 2025
68AQI
18th May 2025
63AQI
19th May 2025
70AQI
20th May 2025
72AQI
21st May 2025
67AQI
22nd May 2025
108AQI
23rd May 2025
80AQI
24th May 2025
88AQI
25th May 2025
85AQI
26th May 2025
89AQI
27th May 2025
82AQI
28th May 2025
78AQI
29th May 2025
72AQI
30th May 2025
78AQI
31st May 2025
83AQI
1st June 2025
83AQI
2nd June 2025
88AQI
3rd June 2025
47AQI
4th June 2025
61AQI
5th June 2025
60AQI
6th June 2025
76AQI
7th June 2025
69AQI
8th June 2025
69AQI
9th June 2025
58AQI
10th June 2025
43AQI
11th June 2025
59AQI
12th June 2025
54AQI
13th June 2025
51AQI
14th June 2025
44AQI
15th June 2025
48AQI
16th June 2025
48AQI
17th June 2025
59AQI
18th June 2025
60AQI
19th June 2025
59AQI
20th June 2025
57AQI
21st June 2025
58AQI
22nd June 2025
51AQI
23rd June 2025
55AQI
24th June 2025
55AQI
25th June 2025
56AQI
26th June 2025
58AQI
27th June 2025
58AQI
28th June 2025
65AQI
29th June 2025
60AQI
30th June 2025
58AQI
1st July 2025
59AQI
2nd July 2025
54AQI
3rd July 2025
52AQI
4th July 2025
57AQI
5th July 2025
63AQI
6th July 2025
60AQI
7th July 2025
58AQI
8th July 2025
57AQI
9th July 2025
61AQI
10th July 2025
64AQI
11th July 2025
61AQI
12th July 2025
60AQI
13th July 2025
63AQI
14th July 2025
57AQI
15th July 2025
57AQI
16th July 2025
54AQI
17th July 2025
56AQI
18th July 2025
59AQI
19th July 2025
55AQI
20th July 2025
54AQI
21st July 2025
54AQI
22nd July 2025
49AQI
23rd July 2025
52AQI
24th July 2025
55AQI
25th July 2025
58AQI
26th July 2025
56AQI
27th July 2025
56AQI
28th July 2025
53AQI
29th July 2025
54AQI
30th July 2025
52AQI
31st July 2025
55AQI
1st August 2025
57AQI
2nd August 2025
58AQI
3rd August 2025
57AQI
4th August 2025
49AQI
5th August 2025
54AQI
6th August 2025
50AQI
7th August 2025
51AQI
8th August 2025
53AQI
9th August 2025
48AQI
10th August 2025
52AQI
11th August 2025
55AQI
12th August 2025
56AQI
13th August 2025
52AQI
14th August 2025
56AQI
15th August 2025
54AQI
16th August 2025
48AQI
17th August 2025
53AQI
18th August 2025
59AQI
19th August 2025
56AQI
20th August 2025
55AQI
21st August 2025
56AQI
22nd August 2025
53AQI
23rd August 2025
60AQI
24th August 2025
57AQI
25th August 2025
51AQI
26th August 2025
50AQI
27th August 2025
57AQI
28th August 2025
51AQI
29th August 2025
56AQI
30th August 2025
52AQI
31st August 2025
49AQI
1st September 2025
58AQI
2nd September 2025
67AQI
3rd September 2025
75AQI
4th September 2025
70AQI
5th September 2025
69AQI
6th September 2025
64AQI
7th September 2025
66AQI
8th September 2025
64AQI
9th September 2025
73AQI
10th September 2025
68AQI
11th September 2025
70AQI
12th September 2025
71AQI
13th September 2025
64AQI
14th September 2025
73AQI
15th September 2025
68AQI
16th September 2025
54AQI
17th September 2025
44AQI
18th September 2025
46AQI
19th September 2025
58AQI
20th September 2025
56AQI
21st September 2025
57AQI
22nd September 2025
59AQI
23rd September 2025
56AQI
24th September 2025
62AQI
25th September 2025
77AQI
26th September 2025
71AQI
27th September 2025
63AQI
28th September 2025
82AQI
29th September 2025
94AQI
30th September 2025
87AQI
1st October 2025
109AQI
2nd October 2025
76AQI
3rd October 2025
55AQI
4th October 2025
79AQI
5th October 2025
73AQI
6th October 2025
73AQI
7th October 2025
50AQI
8th October 2025
52AQI
9th October 2025
73AQI
10th October 2025
73AQI
11th October 2025
69AQI
12th October 2025
93AQI
13th October 2025
109AQI
14th October 2025
53AQI
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

88AQI

79AQI

99AQI

75AQI

73AQI

59AQI

57AQI

54AQI

66AQI

74AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202572AQI

1
20
10
3
19
6
17
13
1
2
28
1
29
1
5
25
1
30
6
25
2
28
1
11
2
22
232
32
1

Highest AQI recorded in

March

99AQI

Lowest AQI recorded in

August

54AQI

202473AQI

4
14
13
2
11
12
4
2
19
7
3
4
18
6
2
9
18
4
13
17
13
15
3
11
18
2
13
17
12
16
3
10
15
5
6
22
3
99
200
58
9

Highest AQI recorded in

February

104AQI

Lowest AQI recorded in

September

54AQI

202378AQI

7
17
5
1
1
2
13
10
3
2
14
15
2
15
9
4
2
25
3
1
3
27
13
16
1
10
21
9
19
2
11
17
3
8
14
5
2
7
10
11
3
76
208
64
14
1

Highest AQI recorded in

February

99AQI

Lowest AQI recorded in

August

58AQI

202273AQI

4
13
9
4
3
10
5
3
8
15
8
1
21
5
1
6
23
2
21
9
9
11
1
1
9
9
13
12
1
1
3
11
10
3
6
20
2
1
83
154
44
13

Highest AQI recorded in

August

122AQI

Lowest AQI recorded in

September

48AQI

202174AQI

7
16
5
3
4
13
8
3
14
9
6
2
3
22
5
6
20
4
1
11
18
1
22
9
10
17
1
13
17
13
15
2
1
8
13
6
3
12
11
7
1
109
185
48
18
2

Highest AQI recorded in

March

118AQI

Lowest AQI recorded in

July

46AQI

202070AQI

2
8
3
2
9
8
2
2
15
1
6
23
1
11
20
17
14
14
16
10
13
7
1
10
14
4
2
4
17
3
6
1
78
149
27
11
1

Highest AQI recorded in

April

98AQI

Lowest AQI recorded in

August

50AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
78AQI
Least Polluted Year Recorded
2020(Avg.)
70AQI

D D Port's annual 2025 AQI (72) shows an average percentage change of -2.09% (improved AQI) compared to previous years: 2020 (70), 2021 (74), 2022 (73), 2023 (78), 2024 (73).