Country Background
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+

August 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
28th Aug 2022
122AQI
Lowest AQI recorded on
31st Aug 2024
14AQI

Same Day Analysis (20th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 54 of Moderate air quality, showing improvement over 2023 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 21st Aug - 22nd Aug 2025

D D Port, Dalian, Liaoning, China

AQI
Day
Night
.

4 AM21st Aug 2025

7 PM

3 AM22nd Aug 2025

Day time
Avg. Highest Time
12AMNaNth undefined

AQI

Avg. Lowest Time
12AMNaNth undefined

AQI

Night time
Avg. Highest Time
7PM21st Aug

62AQI

Avg. Lowest Time
12PM21st Aug

44AQI

In the last 24 hours,

D D Port's AQI reached its highest point of 62 at 7 PM during the Night, while the lowest point, undefined, was recorded at 3 AM during the Night between 21st Aug and 22nd Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

D D Port, Dalian, Liaoning, China

JulAug
23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd
Day
Night
23rd Jul 2025564 AMAQI
23rd Jul 2025565 AMAQI
23rd Jul 2025566 AMAQI
23rd Jul 2025567 AMAQI
23rd Jul 2025358 AMAQI
23rd Jul 2025329 AMAQI
23rd Jul 20252910 AMAQI
23rd Jul 20253811 AMAQI
23rd Jul 20254612 PMAQI
23rd Jul 2025471 PMAQI
23rd Jul 2025482 PMAQI
23rd Jul 2025463 PMAQI
23rd Jul 2025474 PMAQI
23rd Jul 2025485 PMAQI
23rd Jul 2025516 PMAQI
23rd Jul 2025537 PMAQI
23rd Jul 2025558 PMAQI
23rd Jul 2025569 PMAQI
23rd Jul 20255610 PMAQI
23rd Jul 20255611 PMAQI
24th Jul 20255512 AMAQI
24th Jul 2025551 AMAQI
24th Jul 2025562 AMAQI
24th Jul 2025563 AMAQI

25°C24/28°C

24th Jul 2025554 AMAQI
24th Jul 2025565 AMAQI
24th Jul 2025566 AMAQI
24th Jul 2025567 AMAQI
24th Jul 2025478 AMAQI
24th Jul 2025489 AMAQI
24th Jul 20255010 AMAQI
24th Jul 20256011 AMAQI
24th Jul 20255112 PMAQI
24th Jul 2025541 PMAQI
24th Jul 2025552 PMAQI
24th Jul 2025563 PMAQI
24th Jul 2025564 PMAQI
24th Jul 2025585 PMAQI
24th Jul 2025616 PMAQI
24th Jul 2025617 PMAQI
24th Jul 2025568 PMAQI
24th Jul 2025569 PMAQI
24th Jul 20255510 PMAQI
24th Jul 20255611 PMAQI
25th Jul 20255612 AMAQI
25th Jul 2025541 AMAQI
25th Jul 2025552 AMAQI
25th Jul 2025553 AMAQI

26°C24/28°C

25th Jul 2025554 AMAQI
25th Jul 2025555 AMAQI
25th Jul 2025546 AMAQI
25th Jul 2025547 AMAQI
25th Jul 2025638 AMAQI
25th Jul 2025649 AMAQI
25th Jul 20256510 AMAQI
25th Jul 20256411 AMAQI
25th Jul 20256212 PMAQI
25th Jul 2025601 PMAQI
25th Jul 2025602 PMAQI
25th Jul 2025603 PMAQI
25th Jul 2025624 PMAQI
25th Jul 2025635 PMAQI
25th Jul 2025636 PMAQI
25th Jul 2025617 PMAQI
25th Jul 2025568 PMAQI
25th Jul 2025569 PMAQI
25th Jul 20255510 PMAQI
25th Jul 20255511 PMAQI
26th Jul 20255612 AMAQI
26th Jul 2025551 AMAQI
26th Jul 2025552 AMAQI
26th Jul 2025563 AMAQI

26°C24/28°C

26th Jul 2025564 AMAQI
26th Jul 2025565 AMAQI
26th Jul 2025566 AMAQI
26th Jul 2025567 AMAQI
26th Jul 2025558 AMAQI
26th Jul 2025549 AMAQI
26th Jul 20255810 AMAQI
26th Jul 20255911 AMAQI
26th Jul 20255512 PMAQI
26th Jul 2025551 PMAQI
26th Jul 2025552 PMAQI
26th Jul 2025543 PMAQI
26th Jul 2025544 PMAQI
26th Jul 2025535 PMAQI
26th Jul 2025546 PMAQI
26th Jul 2025557 PMAQI
26th Jul 2025568 PMAQI
26th Jul 2025569 PMAQI
26th Jul 20255610 PMAQI
26th Jul 20255611 PMAQI
27th Jul 20255612 AMAQI
27th Jul 2025561 AMAQI
27th Jul 2025552 AMAQI
27th Jul 2025563 AMAQI

26°C24/29°C

27th Jul 2025564 AMAQI
27th Jul 2025565 AMAQI
27th Jul 2025566 AMAQI
27th Jul 2025557 AMAQI
27th Jul 2025558 AMAQI
27th Jul 2025539 AMAQI
27th Jul 20255210 AMAQI
27th Jul 20255411 AMAQI
27th Jul 20255712 PMAQI
27th Jul 2025561 PMAQI
27th Jul 2025542 PMAQI
27th Jul 2025553 PMAQI
27th Jul 2025584 PMAQI
27th Jul 2025585 PMAQI
27th Jul 2025606 PMAQI
27th Jul 2025647 PMAQI
27th Jul 2025578 PMAQI
27th Jul 2025579 PMAQI
27th Jul 20255810 PMAQI
27th Jul 20255711 PMAQI
28th Jul 20255712 AMAQI
28th Jul 2025551 AMAQI
28th Jul 2025562 AMAQI
28th Jul 2025563 AMAQI

27°C24/30°C

28th Jul 2025564 AMAQI
28th Jul 2025565 AMAQI
28th Jul 2025566 AMAQI
28th Jul 2025567 AMAQI
28th Jul 2025578 AMAQI
28th Jul 2025399 AMAQI
28th Jul 20253610 AMAQI
28th Jul 20253811 AMAQI
28th Jul 20254212 PMAQI
28th Jul 2025461 PMAQI
28th Jul 2025512 PMAQI
28th Jul 2025503 PMAQI
28th Jul 2025494 PMAQI
28th Jul 2025505 PMAQI
28th Jul 2025506 PMAQI
28th Jul 2025527 PMAQI
28th Jul 2025568 PMAQI
28th Jul 2025589 PMAQI
28th Jul 20255710 PMAQI
28th Jul 20255711 PMAQI
29th Jul 20255812 AMAQI
29th Jul 2025561 AMAQI
29th Jul 2025562 AMAQI
29th Jul 2025563 AMAQI

28°C25/30°C

29th Jul 2025564 AMAQI
29th Jul 2025565 AMAQI
29th Jul 2025566 AMAQI
29th Jul 2025567 AMAQI
29th Jul 2025498 AMAQI
29th Jul 2025369 AMAQI
29th Jul 20253310 AMAQI
29th Jul 20253911 AMAQI
29th Jul 20255012 PMAQI
29th Jul 2025521 PMAQI
29th Jul 2025532 PMAQI
29th Jul 2025543 PMAQI
29th Jul 2025554 PMAQI
29th Jul 2025565 PMAQI
29th Jul 2025546 PMAQI
29th Jul 2025557 PMAQI
29th Jul 2025568 PMAQI
29th Jul 2025569 PMAQI
29th Jul 20255610 PMAQI
29th Jul 20255611 PMAQI
30th Jul 20255612 AMAQI
30th Jul 2025561 AMAQI
30th Jul 2025562 AMAQI
30th Jul 2025563 AMAQI

27°C25/29°C

30th Jul 2025564 AMAQI
30th Jul 2025575 AMAQI
30th Jul 2025566 AMAQI
30th Jul 2025567 AMAQI
30th Jul 2025468 AMAQI
30th Jul 2025389 AMAQI
30th Jul 20253610 AMAQI
30th Jul 20254411 AMAQI
30th Jul 20255012 PMAQI
30th Jul 2025511 PMAQI
30th Jul 2025512 PMAQI
30th Jul 2025473 PMAQI
30th Jul 2025444 PMAQI
30th Jul 2025465 PMAQI
30th Jul 2025446 PMAQI
30th Jul 2025497 PMAQI
30th Jul 2025538 PMAQI
30th Jul 2025559 PMAQI
30th Jul 20255610 PMAQI
30th Jul 20255511 PMAQI
31st Jul 20255612 AMAQI
31st Jul 2025561 AMAQI
31st Jul 2025562 AMAQI
31st Jul 2025563 AMAQI

26°C24/28°C

31st Jul 2025564 AMAQI
31st Jul 2025565 AMAQI
31st Jul 2025566 AMAQI
31st Jul 2025567 AMAQI
31st Jul 2025568 AMAQI
31st Jul 2025569 AMAQI
31st Jul 20255410 AMAQI
31st Jul 20255311 AMAQI
31st Jul 20255412 PMAQI
31st Jul 2025521 PMAQI
31st Jul 2025502 PMAQI
31st Jul 2025513 PMAQI
31st Jul 2025484 PMAQI
31st Jul 2025515 PMAQI
31st Jul 2025516 PMAQI
31st Jul 2025537 PMAQI
31st Jul 2025568 PMAQI
31st Jul 2025579 PMAQI
31st Jul 20255710 PMAQI
31st Jul 20255811 PMAQI
1st Aug 20255812 AMAQI
1st Aug 2025561 AMAQI
1st Aug 2025552 AMAQI
1st Aug 2025563 AMAQI

27°C24/29°C

1st Aug 2025564 AMAQI
1st Aug 2025575 AMAQI
1st Aug 2025576 AMAQI
1st Aug 2025567 AMAQI
1st Aug 2025618 AMAQI
1st Aug 2025639 AMAQI
1st Aug 20255410 AMAQI
1st Aug 20255411 AMAQI
1st Aug 20255412 PMAQI
1st Aug 2025521 PMAQI
1st Aug 2025562 PMAQI
1st Aug 2025573 PMAQI
1st Aug 2025574 PMAQI
1st Aug 2025565 PMAQI
1st Aug 2025576 PMAQI
1st Aug 2025567 PMAQI
1st Aug 2025598 PMAQI
1st Aug 2025599 PMAQI
1st Aug 20255710 PMAQI
1st Aug 20255811 PMAQI
2nd Aug 20255812 AMAQI
2nd Aug 2025561 AMAQI
2nd Aug 2025562 AMAQI
2nd Aug 2025563 AMAQI

27°C25/30°C

2nd Aug 2025564 AMAQI
2nd Aug 2025565 AMAQI
2nd Aug 2025566 AMAQI
2nd Aug 2025577 AMAQI
2nd Aug 2025588 AMAQI
2nd Aug 2025619 AMAQI
2nd Aug 20255910 AMAQI
2nd Aug 20256011 AMAQI
2nd Aug 20256312 PMAQI
2nd Aug 2025561 PMAQI
2nd Aug 2025552 PMAQI
2nd Aug 2025573 PMAQI
2nd Aug 2025584 PMAQI
2nd Aug 2025615 PMAQI
2nd Aug 2025606 PMAQI
2nd Aug 2025607 PMAQI
2nd Aug 2025628 PMAQI
2nd Aug 2025609 PMAQI
2nd Aug 20255710 PMAQI
2nd Aug 20255711 PMAQI
3rd Aug 20255812 AMAQI
3rd Aug 2025571 AMAQI
3rd Aug 2025562 AMAQI
3rd Aug 2025583 AMAQI

27°C24/29°C

3rd Aug 2025584 AMAQI
3rd Aug 2025585 AMAQI
3rd Aug 2025586 AMAQI
3rd Aug 2025587 AMAQI
3rd Aug 2025578 AMAQI
3rd Aug 2025609 AMAQI
3rd Aug 20255610 AMAQI
3rd Aug 20256211 AMAQI
3rd Aug 20256112 PMAQI
3rd Aug 2025601 PMAQI
3rd Aug 2025632 PMAQI
3rd Aug 2025603 PMAQI
3rd Aug 2025554 PMAQI
3rd Aug 2025545 PMAQI
3rd Aug 2025466 PMAQI
3rd Aug 2025547 PMAQI
3rd Aug 2025568 PMAQI
3rd Aug 2025559 PMAQI
3rd Aug 20255710 PMAQI
3rd Aug 20255611 PMAQI
4th Aug 20255812 AMAQI
4th Aug 2025581 AMAQI
4th Aug 2025582 AMAQI
4th Aug 2025583 AMAQI

27°C25/29°C

4th Aug 2025594 AMAQI
4th Aug 2025585 AMAQI
4th Aug 2025586 AMAQI
4th Aug 2025587 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025429 AMAQI
4th Aug 20254110 AMAQI
4th Aug 20254311 AMAQI
4th Aug 20253412 PMAQI
4th Aug 2025321 PMAQI
4th Aug 2025332 PMAQI
4th Aug 2025263 PMAQI
4th Aug 2025344 PMAQI
4th Aug 2025275 PMAQI
4th Aug 2025346 PMAQI
4th Aug 2025467 PMAQI
4th Aug 2025528 PMAQI
4th Aug 2025549 PMAQI
4th Aug 20255410 PMAQI
4th Aug 20255411 PMAQI
5th Aug 20255512 AMAQI
5th Aug 2025571 AMAQI
5th Aug 2025572 AMAQI
5th Aug 2025563 AMAQI

27°C24/30°C

5th Aug 2025564 AMAQI
5th Aug 2025545 AMAQI
5th Aug 2025546 AMAQI
5th Aug 2025557 AMAQI
5th Aug 2025588 AMAQI
5th Aug 2025519 AMAQI
5th Aug 20255410 AMAQI
5th Aug 20255611 AMAQI
5th Aug 20255312 PMAQI
5th Aug 2025521 PMAQI
5th Aug 2025482 PMAQI
5th Aug 2025543 PMAQI
5th Aug 2025554 PMAQI
5th Aug 2025565 PMAQI
5th Aug 2025496 PMAQI
5th Aug 2025537 PMAQI
5th Aug 2025568 PMAQI
5th Aug 2025539 PMAQI
5th Aug 20255310 PMAQI
5th Aug 20255211 PMAQI
6th Aug 20255312 AMAQI
6th Aug 2025551 AMAQI
6th Aug 2025542 AMAQI
6th Aug 2025543 AMAQI

26°C24/29°C

6th Aug 2025544 AMAQI
6th Aug 2025555 AMAQI
6th Aug 2025546 AMAQI
6th Aug 2025547 AMAQI
6th Aug 2025588 AMAQI
6th Aug 2025539 AMAQI
6th Aug 20254410 AMAQI
6th Aug 20254711 AMAQI
6th Aug 20254112 PMAQI
6th Aug 2025371 PMAQI
6th Aug 2025422 PMAQI
6th Aug 2025413 PMAQI
6th Aug 2025384 PMAQI
6th Aug 2025435 PMAQI
6th Aug 2025436 PMAQI
6th Aug 2025477 PMAQI
6th Aug 2025508 PMAQI
6th Aug 2025499 PMAQI
6th Aug 20254910 PMAQI
6th Aug 20255311 PMAQI
7th Aug 20255212 AMAQI
7th Aug 2025541 AMAQI
7th Aug 2025542 AMAQI
7th Aug 2025533 AMAQI

27°C24/29°C

7th Aug 2025524 AMAQI
7th Aug 2025525 AMAQI
7th Aug 2025536 AMAQI
7th Aug 2025527 AMAQI
7th Aug 2025618 AMAQI
7th Aug 2025569 AMAQI
7th Aug 20255410 AMAQI
7th Aug 20254411 AMAQI
7th Aug 20254112 PMAQI
7th Aug 2025451 PMAQI
7th Aug 2025512 PMAQI
7th Aug 2025543 PMAQI
7th Aug 2025534 PMAQI
7th Aug 2025505 PMAQI
7th Aug 2025426 PMAQI
7th Aug 2025447 PMAQI
7th Aug 2025508 PMAQI
7th Aug 2025529 PMAQI
7th Aug 20255110 PMAQI
7th Aug 20255211 PMAQI
8th Aug 20255312 AMAQI
8th Aug 2025521 AMAQI
8th Aug 2025522 AMAQI
8th Aug 2025523 AMAQI

27°C24/30°C

8th Aug 2025534 AMAQI
8th Aug 2025535 AMAQI
8th Aug 2025536 AMAQI
8th Aug 2025537 AMAQI
8th Aug 2025568 AMAQI
8th Aug 2025569 AMAQI
8th Aug 20255410 AMAQI
8th Aug 20255311 AMAQI
8th Aug 20255412 PMAQI
8th Aug 2025541 PMAQI
8th Aug 2025532 PMAQI
8th Aug 2025523 PMAQI
8th Aug 2025524 PMAQI
8th Aug 2025525 PMAQI
8th Aug 2025546 PMAQI
8th Aug 2025547 PMAQI
8th Aug 2025538 PMAQI
8th Aug 2025549 PMAQI
8th Aug 20255410 PMAQI
8th Aug 20255411 PMAQI
9th Aug 20255412 AMAQI
9th Aug 2025531 AMAQI
9th Aug 2025522 AMAQI
9th Aug 2025533 AMAQI

26°C24/29°C

9th Aug 2025534 AMAQI
9th Aug 2025535 AMAQI
9th Aug 2025536 AMAQI
9th Aug 2025537 AMAQI
9th Aug 2025378 AMAQI
9th Aug 2025359 AMAQI
9th Aug 20253710 AMAQI
9th Aug 20253611 AMAQI
9th Aug 20254712 PMAQI
9th Aug 2025481 PMAQI
9th Aug 2025462 PMAQI
9th Aug 2025393 PMAQI
9th Aug 2025404 PMAQI
9th Aug 2025375 PMAQI
9th Aug 2025376 PMAQI
9th Aug 2025407 PMAQI
9th Aug 2025538 PMAQI
9th Aug 2025539 PMAQI
9th Aug 20255410 PMAQI
9th Aug 20255311 PMAQI
10th Aug 20255312 AMAQI
10th Aug 2025531 AMAQI
10th Aug 2025532 AMAQI
10th Aug 2025533 AMAQI

24°C22/26°C

10th Aug 2025534 AMAQI
10th Aug 2025525 AMAQI
10th Aug 2025526 AMAQI
10th Aug 2025527 AMAQI
10th Aug 2025548 AMAQI
10th Aug 2025519 AMAQI
10th Aug 20255010 AMAQI
10th Aug 20254311 AMAQI
10th Aug 20254812 PMAQI
10th Aug 2025521 PMAQI
10th Aug 2025542 PMAQI
10th Aug 2025553 PMAQI
10th Aug 2025564 PMAQI
10th Aug 2025535 PMAQI
10th Aug 2025516 PMAQI
10th Aug 2025507 PMAQI
10th Aug 2025538 PMAQI
10th Aug 2025529 PMAQI
10th Aug 20255310 PMAQI
10th Aug 20255311 PMAQI
11th Aug 20255312 AMAQI
11th Aug 2025531 AMAQI
11th Aug 2025532 AMAQI
11th Aug 2025523 AMAQI

26°C23/30°C

11th Aug 2025524 AMAQI
11th Aug 2025525 AMAQI
11th Aug 2025526 AMAQI
11th Aug 2025527 AMAQI
11th Aug 2025668 AMAQI
11th Aug 2025709 AMAQI
11th Aug 20256910 AMAQI
11th Aug 20255411 AMAQI
11th Aug 20255612 PMAQI
11th Aug 2025521 PMAQI
11th Aug 2025542 PMAQI
11th Aug 2025553 PMAQI
11th Aug 2025574 PMAQI
11th Aug 2025555 PMAQI
11th Aug 2025546 PMAQI
11th Aug 2025547 PMAQI
11th Aug 2025568 PMAQI
11th Aug 2025579 PMAQI
11th Aug 20255910 PMAQI
11th Aug 20255911 PMAQI
12th Aug 20255712 AMAQI
12th Aug 2025521 AMAQI
12th Aug 2025532 AMAQI
12th Aug 2025533 AMAQI

26°C23/29°C

12th Aug 2025534 AMAQI
12th Aug 2025525 AMAQI
12th Aug 2025536 AMAQI
12th Aug 2025527 AMAQI
12th Aug 2025658 AMAQI
12th Aug 2025589 AMAQI
12th Aug 20255310 AMAQI
12th Aug 20255611 AMAQI
12th Aug 20255612 PMAQI
12th Aug 2025541 PMAQI
12th Aug 2025542 PMAQI
12th Aug 2025553 PMAQI
12th Aug 2025594 PMAQI
12th Aug 2025555 PMAQI
12th Aug 2025606 PMAQI
12th Aug 2025607 PMAQI
12th Aug 2025578 PMAQI
12th Aug 2025569 PMAQI
12th Aug 20255610 PMAQI
12th Aug 20255411 PMAQI
13th Aug 20255412 AMAQI
13th Aug 2025541 AMAQI
13th Aug 2025542 AMAQI
13th Aug 2025543 AMAQI

26°C24/29°C

13th Aug 2025544 AMAQI
13th Aug 2025545 AMAQI
13th Aug 2025546 AMAQI
13th Aug 2025547 AMAQI
13th Aug 2025528 AMAQI
13th Aug 2025599 AMAQI
13th Aug 20254410 AMAQI
13th Aug 20254011 AMAQI
13th Aug 20254412 PMAQI
13th Aug 2025471 PMAQI
13th Aug 2025492 PMAQI
13th Aug 2025463 PMAQI
13th Aug 2025444 PMAQI
13th Aug 2025455 PMAQI
13th Aug 2025536 PMAQI
13th Aug 2025557 PMAQI
13th Aug 2025558 PMAQI
13th Aug 2025589 PMAQI
13th Aug 20255610 PMAQI
13th Aug 20255411 PMAQI
14th Aug 20255712 AMAQI
14th Aug 2025561 AMAQI
14th Aug 2025562 AMAQI
14th Aug 2025553 AMAQI

26°C24/29°C

14th Aug 2025544 AMAQI
14th Aug 2025545 AMAQI
14th Aug 2025546 AMAQI
14th Aug 2025547 AMAQI
14th Aug 2025608 AMAQI
14th Aug 2025609 AMAQI
14th Aug 20256110 AMAQI
14th Aug 20256311 AMAQI
14th Aug 20256012 PMAQI
14th Aug 2025581 PMAQI
14th Aug 2025532 PMAQI
14th Aug 2025543 PMAQI
14th Aug 2025544 PMAQI
14th Aug 2025535 PMAQI
14th Aug 2025536 PMAQI
14th Aug 2025557 PMAQI
14th Aug 2025558 PMAQI
14th Aug 2025559 PMAQI
14th Aug 20255810 PMAQI
14th Aug 20255611 PMAQI
15th Aug 20255612 AMAQI
15th Aug 2025551 AMAQI
15th Aug 2025562 AMAQI
15th Aug 2025563 AMAQI

26°C24/29°C

15th Aug 2025584 AMAQI
15th Aug 2025565 AMAQI
15th Aug 2025576 AMAQI
15th Aug 2025567 AMAQI
15th Aug 2025588 AMAQI
15th Aug 2025669 AMAQI
15th Aug 20255810 AMAQI
15th Aug 20255811 AMAQI
15th Aug 20255812 PMAQI
15th Aug 2025561 PMAQI
15th Aug 2025472 PMAQI
15th Aug 2025483 PMAQI
15th Aug 2025414 PMAQI
15th Aug 2025475 PMAQI
15th Aug 2025496 PMAQI
15th Aug 2025547 PMAQI
15th Aug 2025528 PMAQI
15th Aug 2025529 PMAQI
15th Aug 20255210 PMAQI
15th Aug 20255011 PMAQI
16th Aug 20255512 AMAQI
16th Aug 2025561 AMAQI
16th Aug 2025582 AMAQI
16th Aug 2025573 AMAQI

27°C24/29°C

16th Aug 2025574 AMAQI
16th Aug 2025575 AMAQI
16th Aug 2025576 AMAQI
16th Aug 2025567 AMAQI
16th Aug 2025288 AMAQI
16th Aug 2025309 AMAQI
16th Aug 20253510 AMAQI
16th Aug 20253911 AMAQI
16th Aug 20253812 PMAQI
16th Aug 2025381 PMAQI
16th Aug 2025412 PMAQI
16th Aug 2025433 PMAQI
16th Aug 2025434 PMAQI
16th Aug 2025395 PMAQI
16th Aug 2025376 PMAQI
16th Aug 2025467 PMAQI
16th Aug 2025508 PMAQI
16th Aug 2025529 PMAQI
16th Aug 20255210 PMAQI
16th Aug 20255211 PMAQI
17th Aug 20255412 AMAQI
17th Aug 2025551 AMAQI
17th Aug 2025562 AMAQI
17th Aug 2025543 AMAQI

26°C25/28°C

17th Aug 2025534 AMAQI
17th Aug 2025545 AMAQI
17th Aug 2025546 AMAQI
17th Aug 2025557 AMAQI
17th Aug 2025608 AMAQI
17th Aug 2025449 AMAQI
17th Aug 20254610 AMAQI
17th Aug 20255111 AMAQI
17th Aug 20254712 PMAQI
17th Aug 2025421 PMAQI
17th Aug 2025472 PMAQI
17th Aug 2025513 PMAQI
17th Aug 2025524 PMAQI
17th Aug 2025535 PMAQI
17th Aug 2025546 PMAQI
17th Aug 2025547 PMAQI
17th Aug 2025568 PMAQI
17th Aug 2025569 PMAQI
17th Aug 20255710 PMAQI
17th Aug 20255811 PMAQI
18th Aug 20255812 AMAQI
18th Aug 2025541 AMAQI
18th Aug 2025542 AMAQI
18th Aug 2025533 AMAQI

26°C24/29°C

18th Aug 2025554 AMAQI
18th Aug 2025565 AMAQI
18th Aug 2025556 AMAQI
18th Aug 2025557 AMAQI
18th Aug 2025588 AMAQI
18th Aug 2025599 AMAQI
18th Aug 20256710 AMAQI
18th Aug 20257111 AMAQI
18th Aug 20256912 PMAQI
18th Aug 2025661 PMAQI
18th Aug 2025632 PMAQI
18th Aug 2025623 PMAQI
18th Aug 2025644 PMAQI
18th Aug 2025585 PMAQI
18th Aug 2025576 PMAQI
18th Aug 2025567 PMAQI
18th Aug 2025568 PMAQI
18th Aug 2025569 PMAQI
18th Aug 20255610 PMAQI
18th Aug 20255711 PMAQI
19th Aug 20255612 AMAQI
19th Aug 2025551 AMAQI
19th Aug 2025552 AMAQI
19th Aug 2025563 AMAQI

27°C24/29°C

19th Aug 2025584 AMAQI
19th Aug 2025585 AMAQI
19th Aug 2025586 AMAQI
19th Aug 2025587 AMAQI
19th Aug 2025528 AMAQI
19th Aug 2025589 AMAQI
19th Aug 20254010 AMAQI
19th Aug 20255511 AMAQI
19th Aug 20255612 PMAQI
19th Aug 2025591 PMAQI
19th Aug 2025562 PMAQI
19th Aug 2025763 PMAQI
19th Aug 2025604 PMAQI
19th Aug 2025585 PMAQI
19th Aug 2025526 PMAQI
19th Aug 2025567 PMAQI
19th Aug 2025548 PMAQI
19th Aug 2025559 PMAQI
19th Aug 20255410 PMAQI
19th Aug 20255411 PMAQI
20th Aug 20255612 AMAQI
20th Aug 2025561 AMAQI
20th Aug 2025572 AMAQI
20th Aug 2025573 AMAQI

26°C24/27°C

20th Aug 2025574 AMAQI
20th Aug 2025575 AMAQI
20th Aug 2025586 AMAQI
20th Aug 2025577 AMAQI
20th Aug 2025518 AMAQI
20th Aug 2025449 AMAQI
20th Aug 20255010 AMAQI
20th Aug 20255311 AMAQI
20th Aug 20254612 PMAQI
20th Aug 2025481 PMAQI
20th Aug 2025472 PMAQI
20th Aug 2025553 PMAQI
20th Aug 2025504 PMAQI
20th Aug 2025515 PMAQI
20th Aug 2025526 PMAQI
20th Aug 2025567 PMAQI
20th Aug 2025558 PMAQI
20th Aug 2025569 PMAQI
20th Aug 20255910 PMAQI
20th Aug 20255811 PMAQI
21st Aug 20255712 AMAQI
21st Aug 2025571 AMAQI
21st Aug 2025562 AMAQI
21st Aug 2025563 AMAQI

25°C23/28°C

21st Aug 2025564 AMAQI
21st Aug 2025565 AMAQI
21st Aug 2025566 AMAQI
21st Aug 2025557 AMAQI
21st Aug 2025478 AMAQI
21st Aug 2025549 AMAQI
21st Aug 20256110 AMAQI
21st Aug 20254811 AMAQI
21st Aug 20254412 PMAQI
21st Aug 2025501 PMAQI
21st Aug 2025492 PMAQI
21st Aug 2025563 PMAQI
21st Aug 2025504 PMAQI
21st Aug 2025545 PMAQI
21st Aug 2025586 PMAQI
21st Aug 2025627 PMAQI
21st Aug 2025578 PMAQI
21st Aug 2025589 PMAQI
21st Aug 20255810 PMAQI
21st Aug 20255611 PMAQI
22nd Aug 20255512 AMAQI
22nd Aug 2025571 AMAQI

--°C/°C

4 AM
11 AM
7 PM
11 PM
3 AM

--°C/°C

Day time
Avg. Highest Time
4 AM - 7 AM

55AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
10 AM - 6 PM

51AQI

9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 7 AM (Avg. 55), while the lowest AQI was between 10 AM to 6 PM (Avg. 51).
Night time
Avg. Highest Time
12 AM - 11 PM

55AQI

8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM

55AQI

8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 55), while the lowest AQI was between 12 AM to 11 PM (Avg. 55).

2025 Days Vs Air Quality

D D Port, Dalian, Liaoning, China

2025

7%

17

79%

184

13%

30

0.4%

1

Total number of days with different AQI categories in last 233 days in 2025 (132 days remaining)

Good
17 Days
Moderate
184 Days
Poor
30 Days
Unhealthy
1 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 7%

Health Risk Level:

Extreme

In 2025, 7% of 233 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
54AQI
21st August 2025
22nd August 2025
23rd August 2025
24th August 2025
25th August 2025
26th August 2025
27th August 2025
28th August 2025
29th August 2025
30th August 2025
31st August 2025
1st September 2025
2nd September 2025
3rd September 2025
4th September 2025
5th September 2025
6th September 2025
7th September 2025
8th September 2025
9th September 2025
10th September 2025
11th September 2025
12th September 2025
13th September 2025
14th September 2025
15th September 2025
16th September 2025
17th September 2025
18th September 2025
19th September 2025
20th September 2025
21st September 2025
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
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

88AQI

79AQI

99AQI

75AQI

73AQI

59AQI

57AQI

54AQI

No. of days

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

202574AQI

1
20
10
3
19
6
17
13
1
2
28
1
29
1
5
25
1
30
4
16
17
184
30
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 (74) shows an average percentage change of -0.05% (improved AQI) compared to previous years: 2020 (70), 2021 (74), 2022 (73), 2023 (78), 2024 (73).