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Leidazhanzi Station, Tangshan, Hebei, 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

Leidazhanzi Station, Tangshan, Hebei, China

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
19th Aug 2023
150AQI
Lowest AQI recorded on
9th Aug 2021
32AQI

Same Day Analysis (18th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 66 of Moderate air quality, showing improvement over 2024 and 2023 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 19th Aug - 20th Aug 2025

Leidazhanzi Station, Tangshan, Hebei, China

AQI
Day
Night
.

5 AM19th Aug 2025

7 PM

4 AM20th Aug 2025

Day time
Avg. Highest Time
12AMNaNth undefined

AQI

Avg. Lowest Time
12AMNaNth undefined

AQI

Night time
Avg. Highest Time
8AM19th Aug

80AQI

Avg. Lowest Time
8PM19th Aug

57AQI

In the last 24 hours,

Leidazhanzi Station's AQI reached its highest point of 80 at 8 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 19th Aug and 20th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Leidazhanzi Station, Tangshan, Hebei, China

JulAug
21st - 22nd22nd - 23rd23rd - 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
Day
Night
21st Jul 2025665 AMAQI
21st Jul 2025656 AMAQI
21st Jul 2025657 AMAQI
21st Jul 2025728 AMAQI
21st Jul 2025759 AMAQI
21st Jul 20256410 AMAQI
21st Jul 20256011 AMAQI
21st Jul 20255812 PMAQI
21st Jul 2025621 PMAQI
21st Jul 2025562 PMAQI
21st Jul 2025563 PMAQI
21st Jul 2025584 PMAQI
21st Jul 2025575 PMAQI
21st Jul 2025586 PMAQI
21st Jul 2025717 PMAQI
21st Jul 2025688 PMAQI
21st Jul 2025709 PMAQI
21st Jul 20257310 PMAQI
21st Jul 20257611 PMAQI
22nd Jul 20258012 AMAQI
22nd Jul 2025661 AMAQI
22nd Jul 2025662 AMAQI
22nd Jul 2025663 AMAQI
22nd Jul 2025664 AMAQI

28°C22/36°C

22nd Jul 2025665 AMAQI
22nd Jul 2025666 AMAQI
22nd Jul 2025667 AMAQI
22nd Jul 2025988 AMAQI
22nd Jul 20251059 AMAQI
22nd Jul 20259210 AMAQI
22nd Jul 20257811 AMAQI
22nd Jul 20256412 PMAQI
22nd Jul 2025761 PMAQI
22nd Jul 2025682 PMAQI
22nd Jul 2025663 PMAQI
22nd Jul 2025614 PMAQI
22nd Jul 2025685 PMAQI
22nd Jul 2025646 PMAQI
22nd Jul 2025657 PMAQI
22nd Jul 2025648 PMAQI
22nd Jul 2025629 PMAQI
22nd Jul 20256410 PMAQI
22nd Jul 20256111 PMAQI
23rd Jul 20256412 AMAQI
23rd Jul 2025661 AMAQI
23rd Jul 2025672 AMAQI
23rd Jul 2025683 AMAQI
23rd Jul 2025694 AMAQI

29°C22/35°C

23rd Jul 2025695 AMAQI
23rd Jul 2025696 AMAQI
23rd Jul 2025697 AMAQI
23rd Jul 2025648 AMAQI
23rd Jul 2025699 AMAQI
23rd Jul 20256710 AMAQI
23rd Jul 20257611 AMAQI
23rd Jul 20256612 PMAQI
23rd Jul 2025701 PMAQI
23rd Jul 2025722 PMAQI
23rd Jul 2025653 PMAQI
23rd Jul 2025644 PMAQI
23rd Jul 2025595 PMAQI
23rd Jul 2025586 PMAQI
23rd Jul 2025547 PMAQI
23rd Jul 2025618 PMAQI
23rd Jul 2025609 PMAQI
23rd Jul 20255810 PMAQI
23rd Jul 20255811 PMAQI
24th Jul 20255912 AMAQI
24th Jul 2025641 AMAQI
24th Jul 2025652 AMAQI
24th Jul 2025683 AMAQI
24th Jul 2025674 AMAQI

29°C24/35°C

24th Jul 2025675 AMAQI
24th Jul 2025676 AMAQI
24th Jul 2025677 AMAQI
24th Jul 2025598 AMAQI
24th Jul 2025599 AMAQI
24th Jul 20256210 AMAQI
24th Jul 20255911 AMAQI
24th Jul 20256312 PMAQI
24th Jul 2025751 PMAQI
24th Jul 2025762 PMAQI
24th Jul 2025743 PMAQI
24th Jul 2025684 PMAQI
24th Jul 2025625 PMAQI
24th Jul 2025626 PMAQI
24th Jul 2025627 PMAQI
24th Jul 2025648 PMAQI
24th Jul 2025659 PMAQI
24th Jul 20256310 PMAQI
24th Jul 20256411 PMAQI
25th Jul 20256512 AMAQI
25th Jul 2025641 AMAQI
25th Jul 2025652 AMAQI
25th Jul 2025653 AMAQI
25th Jul 2025644 AMAQI

28°C24/34°C

25th Jul 2025655 AMAQI
25th Jul 2025666 AMAQI
25th Jul 2025647 AMAQI
25th Jul 2025688 AMAQI
25th Jul 2025669 AMAQI
25th Jul 20256610 AMAQI
25th Jul 20256811 AMAQI
25th Jul 20257312 PMAQI
25th Jul 2025761 PMAQI
25th Jul 2025842 PMAQI
25th Jul 2025853 PMAQI
25th Jul 2025824 PMAQI
25th Jul 2025905 PMAQI
25th Jul 2025846 PMAQI
25th Jul 2025767 PMAQI
25th Jul 2025688 PMAQI
25th Jul 2025719 PMAQI
25th Jul 20256810 PMAQI
25th Jul 20256811 PMAQI
26th Jul 20256712 AMAQI
26th Jul 2025631 AMAQI
26th Jul 2025622 AMAQI
26th Jul 2025633 AMAQI
26th Jul 2025664 AMAQI

29°C25/35°C

26th Jul 2025665 AMAQI
26th Jul 2025666 AMAQI
26th Jul 2025677 AMAQI
26th Jul 2025838 AMAQI
26th Jul 2025869 AMAQI
26th Jul 20258810 AMAQI
26th Jul 20257911 AMAQI
26th Jul 20257812 PMAQI
26th Jul 2025731 PMAQI
26th Jul 2025762 PMAQI
26th Jul 2025673 PMAQI
26th Jul 2025684 PMAQI
26th Jul 2025705 PMAQI
26th Jul 2025686 PMAQI
26th Jul 2025657 PMAQI
26th Jul 2025638 PMAQI
26th Jul 2025629 PMAQI
26th Jul 20256410 PMAQI
26th Jul 20256511 PMAQI
27th Jul 20256512 AMAQI
27th Jul 2025641 AMAQI
27th Jul 2025642 AMAQI
27th Jul 2025663 AMAQI
27th Jul 2025664 AMAQI

30°C24/36°C

27th Jul 2025665 AMAQI
27th Jul 2025666 AMAQI
27th Jul 2025667 AMAQI
27th Jul 2025708 AMAQI
27th Jul 2025709 AMAQI
27th Jul 20257210 AMAQI
27th Jul 20257211 AMAQI
27th Jul 20257712 PMAQI
27th Jul 2025671 PMAQI
27th Jul 2025732 PMAQI
27th Jul 2025653 PMAQI
27th Jul 2025654 PMAQI
27th Jul 2025605 PMAQI
27th Jul 2025586 PMAQI
27th Jul 2025627 PMAQI
27th Jul 2025628 PMAQI
27th Jul 2025609 PMAQI
27th Jul 20256410 PMAQI
27th Jul 20256511 PMAQI
28th Jul 20256512 AMAQI
28th Jul 2025651 AMAQI
28th Jul 2025642 AMAQI
28th Jul 2025663 AMAQI
28th Jul 2025654 AMAQI

30°C25/36°C

28th Jul 2025665 AMAQI
28th Jul 2025666 AMAQI
28th Jul 2025667 AMAQI
28th Jul 2025728 AMAQI
28th Jul 2025639 AMAQI
28th Jul 20255710 AMAQI
28th Jul 20255411 AMAQI
28th Jul 20255412 PMAQI
28th Jul 2025551 PMAQI
28th Jul 2025562 PMAQI
28th Jul 2025613 PMAQI
28th Jul 2025604 PMAQI
28th Jul 2025625 PMAQI
28th Jul 2025766 PMAQI
28th Jul 2025747 PMAQI
28th Jul 2025708 PMAQI
28th Jul 2025679 PMAQI
28th Jul 20256710 PMAQI
28th Jul 20256611 PMAQI
29th Jul 20256512 AMAQI
29th Jul 2025641 AMAQI
29th Jul 2025632 AMAQI
29th Jul 2025633 AMAQI
29th Jul 2025634 AMAQI

29°C25/36°C

29th Jul 2025635 AMAQI
29th Jul 2025636 AMAQI
29th Jul 2025637 AMAQI
29th Jul 2025558 AMAQI
29th Jul 2025539 AMAQI
29th Jul 20255110 AMAQI
29th Jul 20255011 AMAQI
29th Jul 20255212 PMAQI
29th Jul 2025521 PMAQI
29th Jul 2025462 PMAQI
29th Jul 2025323 PMAQI
29th Jul 2025444 PMAQI
29th Jul 2025505 PMAQI
29th Jul 2025486 PMAQI
29th Jul 2025537 PMAQI
29th Jul 2025598 PMAQI
29th Jul 2025609 PMAQI
29th Jul 20256010 PMAQI
29th Jul 20255811 PMAQI
30th Jul 20256012 AMAQI
30th Jul 2025621 AMAQI
30th Jul 2025632 AMAQI
30th Jul 2025623 AMAQI
30th Jul 2025604 AMAQI

25°C23/28°C

30th Jul 2025605 AMAQI
30th Jul 2025606 AMAQI
30th Jul 2025607 AMAQI
30th Jul 2025628 AMAQI
30th Jul 2025619 AMAQI
30th Jul 20256310 AMAQI
30th Jul 20255811 AMAQI
30th Jul 20255212 PMAQI
30th Jul 2025531 PMAQI
30th Jul 2025512 PMAQI
30th Jul 2025503 PMAQI
30th Jul 2025544 PMAQI
30th Jul 2025585 PMAQI
30th Jul 2025586 PMAQI
30th Jul 2025567 PMAQI
30th Jul 2025588 PMAQI
30th Jul 2025599 PMAQI
30th Jul 20255910 PMAQI
30th Jul 20255711 PMAQI
31st Jul 20255612 AMAQI
31st Jul 2025591 AMAQI
31st Jul 2025602 AMAQI
31st Jul 2025593 AMAQI
31st Jul 2025594 AMAQI

27°C22/33°C

31st Jul 2025595 AMAQI
31st Jul 2025596 AMAQI
31st Jul 2025597 AMAQI
31st Jul 2025598 AMAQI
31st Jul 2025599 AMAQI
31st Jul 20257210 AMAQI
31st Jul 20256611 AMAQI
31st Jul 20256412 PMAQI
31st Jul 2025701 PMAQI
31st Jul 2025662 PMAQI
31st Jul 2025653 PMAQI
31st Jul 2025654 PMAQI
31st Jul 2025665 PMAQI
31st Jul 2025656 PMAQI
31st Jul 2025617 PMAQI
31st Jul 2025628 PMAQI
31st Jul 2025629 PMAQI
31st Jul 20256210 PMAQI
31st Jul 20256611 PMAQI
1st Aug 20256212 AMAQI
1st Aug 2025561 AMAQI
1st Aug 2025562 AMAQI
1st Aug 2025573 AMAQI
1st Aug 2025584 AMAQI

27°C22/32°C

1st Aug 2025585 AMAQI
1st Aug 2025586 AMAQI
1st Aug 2025587 AMAQI
1st Aug 2025738 AMAQI
1st Aug 2025669 AMAQI
1st Aug 20256810 AMAQI
1st Aug 20256211 AMAQI
1st Aug 20255912 PMAQI
1st Aug 2025671 PMAQI
1st Aug 2025672 PMAQI
1st Aug 2025683 PMAQI
1st Aug 2025694 PMAQI
1st Aug 2025755 PMAQI
1st Aug 2025576 PMAQI
1st Aug 2025657 PMAQI
1st Aug 2025658 PMAQI
1st Aug 2025679 PMAQI
1st Aug 20256410 PMAQI
1st Aug 20256711 PMAQI
2nd Aug 20256212 AMAQI
2nd Aug 2025591 AMAQI
2nd Aug 2025582 AMAQI
2nd Aug 2025603 AMAQI
2nd Aug 2025624 AMAQI

28°C23/35°C

2nd Aug 2025615 AMAQI
2nd Aug 2025626 AMAQI
2nd Aug 2025607 AMAQI
2nd Aug 2025668 AMAQI
2nd Aug 2025699 AMAQI
2nd Aug 20256210 AMAQI
2nd Aug 20256111 AMAQI
2nd Aug 20256012 PMAQI
2nd Aug 2025641 PMAQI
2nd Aug 2025622 PMAQI
2nd Aug 2025603 PMAQI
2nd Aug 2025634 PMAQI
2nd Aug 2025645 PMAQI
2nd Aug 2025656 PMAQI
2nd Aug 2025647 PMAQI
2nd Aug 2025648 PMAQI
2nd Aug 2025629 PMAQI
2nd Aug 20256210 PMAQI
2nd Aug 20256111 PMAQI
3rd Aug 20256212 AMAQI
3rd Aug 2025591 AMAQI
3rd Aug 2025592 AMAQI
3rd Aug 2025623 AMAQI
3rd Aug 2025614 AMAQI

29°C23/36°C

3rd Aug 2025615 AMAQI
3rd Aug 2025616 AMAQI
3rd Aug 2025607 AMAQI
3rd Aug 2025568 AMAQI
3rd Aug 2025599 AMAQI
3rd Aug 20256010 AMAQI
3rd Aug 20256111 AMAQI
3rd Aug 20256112 PMAQI
3rd Aug 2025591 PMAQI
3rd Aug 2025602 PMAQI
3rd Aug 2025663 PMAQI
3rd Aug 2025724 PMAQI
3rd Aug 2025725 PMAQI
3rd Aug 2025736 PMAQI
3rd Aug 2025707 PMAQI
3rd Aug 2025708 PMAQI
3rd Aug 2025669 PMAQI
3rd Aug 20256610 PMAQI
3rd Aug 20256111 PMAQI
4th Aug 20256212 AMAQI
4th Aug 2025601 AMAQI
4th Aug 2025602 AMAQI
4th Aug 2025593 AMAQI
4th Aug 2025594 AMAQI

29°C25/35°C

4th Aug 2025595 AMAQI
4th Aug 2025596 AMAQI
4th Aug 2025607 AMAQI
4th Aug 2025758 AMAQI
4th Aug 2025769 AMAQI
4th Aug 20257310 AMAQI
4th Aug 20257011 AMAQI
4th Aug 20256412 PMAQI
4th Aug 2025541 PMAQI
4th Aug 2025582 PMAQI
4th Aug 2025593 PMAQI
4th Aug 2025584 PMAQI
4th Aug 2025645 PMAQI
4th Aug 2025666 PMAQI
4th Aug 2025667 PMAQI
4th Aug 2025648 PMAQI
4th Aug 2025609 PMAQI
4th Aug 20255910 PMAQI
4th Aug 20255811 PMAQI
5th Aug 20255812 AMAQI
5th Aug 2025591 AMAQI
5th Aug 2025592 AMAQI
5th Aug 2025603 AMAQI
5th Aug 2025634 AMAQI

28°C24/34°C

5th Aug 2025615 AMAQI
5th Aug 2025636 AMAQI
5th Aug 2025627 AMAQI
5th Aug 2025758 AMAQI
5th Aug 2025729 AMAQI
5th Aug 20256210 AMAQI
5th Aug 20256311 AMAQI
5th Aug 20256412 PMAQI
5th Aug 2025621 PMAQI
5th Aug 2025652 PMAQI
5th Aug 2025613 PMAQI
5th Aug 2025654 PMAQI
5th Aug 2025685 PMAQI
5th Aug 2025626 PMAQI
5th Aug 2025647 PMAQI
5th Aug 2025668 PMAQI
5th Aug 2025739 PMAQI
5th Aug 20257410 PMAQI
5th Aug 20257111 PMAQI
6th Aug 20256612 AMAQI
6th Aug 2025591 AMAQI
6th Aug 2025602 AMAQI
6th Aug 2025613 AMAQI
6th Aug 2025624 AMAQI

27°C23/31°C

6th Aug 2025615 AMAQI
6th Aug 2025626 AMAQI
6th Aug 2025627 AMAQI
6th Aug 2025808 AMAQI
6th Aug 2025869 AMAQI
6th Aug 20259210 AMAQI
6th Aug 20258711 AMAQI
6th Aug 20258812 PMAQI
6th Aug 2025951 PMAQI
6th Aug 2025882 PMAQI
6th Aug 2025693 PMAQI
6th Aug 2025724 PMAQI
6th Aug 2025675 PMAQI
6th Aug 2025656 PMAQI
6th Aug 2025697 PMAQI
6th Aug 2025718 PMAQI
6th Aug 2025749 PMAQI
6th Aug 20257210 PMAQI
6th Aug 20257211 PMAQI
7th Aug 20256712 AMAQI
7th Aug 2025621 AMAQI
7th Aug 2025622 AMAQI
7th Aug 2025663 AMAQI
7th Aug 2025684 AMAQI

30°C23/39°C

7th Aug 2025685 AMAQI
7th Aug 2025636 AMAQI
7th Aug 2025667 AMAQI
7th Aug 2025928 AMAQI
7th Aug 2025959 AMAQI
7th Aug 20258310 AMAQI
7th Aug 20258611 AMAQI
7th Aug 20258212 PMAQI
7th Aug 2025681 PMAQI
7th Aug 2025832 PMAQI
7th Aug 2025743 PMAQI
7th Aug 2025664 PMAQI
7th Aug 2025675 PMAQI
7th Aug 2025626 PMAQI
7th Aug 2025627 PMAQI
7th Aug 2025638 PMAQI
7th Aug 2025689 PMAQI
7th Aug 20256810 PMAQI
7th Aug 20256611 PMAQI
8th Aug 20256412 AMAQI
8th Aug 2025641 AMAQI
8th Aug 2025642 AMAQI
8th Aug 2025663 AMAQI
8th Aug 2025684 AMAQI

29°C24/36°C

8th Aug 2025705 AMAQI
8th Aug 2025696 AMAQI
8th Aug 2025697 AMAQI
8th Aug 2025738 AMAQI
8th Aug 2025809 AMAQI
8th Aug 20257510 AMAQI
8th Aug 20257511 AMAQI
8th Aug 20257612 PMAQI
8th Aug 2025741 PMAQI
8th Aug 2025682 PMAQI
8th Aug 2025643 PMAQI
8th Aug 2025554 PMAQI
8th Aug 2025595 PMAQI
8th Aug 2025556 PMAQI
8th Aug 2025607 PMAQI
8th Aug 2025648 PMAQI
8th Aug 2025659 PMAQI
8th Aug 20256810 PMAQI
8th Aug 20256611 PMAQI
9th Aug 20256412 AMAQI
9th Aug 2025661 AMAQI
9th Aug 2025662 AMAQI
9th Aug 2025663 AMAQI
9th Aug 2025674 AMAQI

25°C21/28°C

9th Aug 2025675 AMAQI
9th Aug 2025676 AMAQI
9th Aug 2025677 AMAQI
9th Aug 2025658 AMAQI
9th Aug 2025649 AMAQI
9th Aug 20255610 AMAQI
9th Aug 20255611 AMAQI
9th Aug 20255612 PMAQI
9th Aug 2025571 PMAQI
9th Aug 2025542 PMAQI
9th Aug 2025603 PMAQI
9th Aug 2025604 PMAQI
9th Aug 2025595 PMAQI
9th Aug 2025606 PMAQI
9th Aug 2025607 PMAQI
9th Aug 2025668 PMAQI
9th Aug 2025669 PMAQI
9th Aug 20256810 PMAQI
9th Aug 20256611 PMAQI
10th Aug 20256912 AMAQI
10th Aug 2025661 AMAQI
10th Aug 2025662 AMAQI
10th Aug 2025653 AMAQI
10th Aug 2025644 AMAQI

25°C20/32°C

10th Aug 2025645 AMAQI
10th Aug 2025646 AMAQI
10th Aug 2025647 AMAQI
10th Aug 2025678 AMAQI
10th Aug 2025729 AMAQI
10th Aug 20256110 AMAQI
10th Aug 20256111 AMAQI
10th Aug 20256212 PMAQI
10th Aug 2025571 PMAQI
10th Aug 2025562 PMAQI
10th Aug 2025543 PMAQI
10th Aug 2025584 PMAQI
10th Aug 2025585 PMAQI
10th Aug 2025536 PMAQI
10th Aug 2025577 PMAQI
10th Aug 2025598 PMAQI
10th Aug 2025609 PMAQI
10th Aug 20256410 PMAQI
10th Aug 20256611 PMAQI
11th Aug 20256812 AMAQI
11th Aug 2025641 AMAQI
11th Aug 2025642 AMAQI
11th Aug 2025643 AMAQI
11th Aug 2025644 AMAQI

28°C22/36°C

11th Aug 2025635 AMAQI
11th Aug 2025646 AMAQI
11th Aug 2025647 AMAQI
11th Aug 2025778 AMAQI
11th Aug 2025829 AMAQI
11th Aug 20257110 AMAQI
11th Aug 20257411 AMAQI
11th Aug 20257412 PMAQI
11th Aug 2025721 PMAQI
11th Aug 2025642 PMAQI
11th Aug 2025623 PMAQI
11th Aug 2025664 PMAQI
11th Aug 2025605 PMAQI
11th Aug 2025626 PMAQI
11th Aug 2025657 PMAQI
11th Aug 2025658 PMAQI
11th Aug 2025669 PMAQI
11th Aug 20256710 PMAQI
11th Aug 20256611 PMAQI
12th Aug 20256612 AMAQI
12th Aug 2025621 AMAQI
12th Aug 2025612 AMAQI
12th Aug 2025623 AMAQI
12th Aug 2025644 AMAQI

27°C22/33°C

12th Aug 2025655 AMAQI
12th Aug 2025656 AMAQI
12th Aug 2025657 AMAQI
12th Aug 2025908 AMAQI
12th Aug 2025799 AMAQI
12th Aug 20257010 AMAQI
12th Aug 20258211 AMAQI
12th Aug 20257612 PMAQI
12th Aug 2025761 PMAQI
12th Aug 2025702 PMAQI
12th Aug 2025723 PMAQI
12th Aug 2025684 PMAQI
12th Aug 2025715 PMAQI
12th Aug 2025656 PMAQI
12th Aug 2025677 PMAQI
12th Aug 2025668 PMAQI
12th Aug 2025679 PMAQI
12th Aug 20256310 PMAQI
12th Aug 20256711 PMAQI
13th Aug 20256212 AMAQI
13th Aug 2025621 AMAQI
13th Aug 2025632 AMAQI
13th Aug 2025663 AMAQI
13th Aug 2025664 AMAQI

27°C23/33°C

13th Aug 2025675 AMAQI
13th Aug 2025666 AMAQI
13th Aug 2025667 AMAQI
13th Aug 2025698 AMAQI
13th Aug 2025649 AMAQI
13th Aug 20256410 AMAQI
13th Aug 20256311 AMAQI
13th Aug 20256012 PMAQI
13th Aug 2025661 PMAQI
13th Aug 2025622 PMAQI
13th Aug 2025583 PMAQI
13th Aug 2025574 PMAQI
13th Aug 2025625 PMAQI
13th Aug 2025656 PMAQI
13th Aug 2025637 PMAQI
13th Aug 2025628 PMAQI
13th Aug 2025659 PMAQI
13th Aug 20256610 PMAQI
13th Aug 20256711 PMAQI
14th Aug 20256212 AMAQI
14th Aug 2025631 AMAQI
14th Aug 2025632 AMAQI
14th Aug 2025633 AMAQI
14th Aug 2025644 AMAQI

26°C21/31°C

14th Aug 2025635 AMAQI
14th Aug 2025636 AMAQI
14th Aug 2025647 AMAQI
14th Aug 2025798 AMAQI
14th Aug 2025839 AMAQI
14th Aug 20258110 AMAQI
14th Aug 20258011 AMAQI
14th Aug 20257812 PMAQI
14th Aug 2025761 PMAQI
14th Aug 2025842 PMAQI
14th Aug 2025813 PMAQI
14th Aug 2025704 PMAQI
14th Aug 2025765 PMAQI
14th Aug 2025746 PMAQI
14th Aug 2025807 PMAQI
14th Aug 2025748 PMAQI
14th Aug 2025669 PMAQI
14th Aug 20256610 PMAQI
14th Aug 20256311 PMAQI
15th Aug 20256212 AMAQI
15th Aug 2025621 AMAQI
15th Aug 2025622 AMAQI
15th Aug 2025663 AMAQI
15th Aug 2025644 AMAQI

28°C22/35°C

15th Aug 2025695 AMAQI
15th Aug 2025666 AMAQI
15th Aug 2025687 AMAQI
15th Aug 2025708 AMAQI
15th Aug 2025749 AMAQI
15th Aug 20259910 AMAQI
15th Aug 20258411 AMAQI
15th Aug 20258212 PMAQI
15th Aug 2025891 PMAQI
15th Aug 2025692 PMAQI
15th Aug 2025723 PMAQI
15th Aug 2025714 PMAQI
15th Aug 2025805 PMAQI
15th Aug 2025846 PMAQI
15th Aug 2025787 PMAQI
15th Aug 2025738 PMAQI
15th Aug 2025669 PMAQI
15th Aug 20257110 PMAQI
15th Aug 20256411 PMAQI
16th Aug 20256512 AMAQI
16th Aug 2025621 AMAQI
16th Aug 2025642 AMAQI
16th Aug 2025663 AMAQI
16th Aug 2025674 AMAQI

27°C23/32°C

16th Aug 2025685 AMAQI
16th Aug 2025686 AMAQI
16th Aug 2025677 AMAQI
16th Aug 2025588 AMAQI
16th Aug 2025599 AMAQI
16th Aug 20256010 AMAQI
16th Aug 20255611 AMAQI
16th Aug 20255612 PMAQI
16th Aug 2025531 PMAQI
16th Aug 2025522 PMAQI
16th Aug 2025523 PMAQI
16th Aug 2025554 PMAQI
16th Aug 2025585 PMAQI
16th Aug 2025546 PMAQI
16th Aug 2025567 PMAQI
16th Aug 2025608 PMAQI
16th Aug 2025629 PMAQI
16th Aug 20256410 PMAQI
16th Aug 20256511 PMAQI
17th Aug 20256512 AMAQI
17th Aug 2025641 AMAQI
17th Aug 2025642 AMAQI
17th Aug 2025633 AMAQI
17th Aug 2025624 AMAQI

24°C22/26°C

17th Aug 2025635 AMAQI
17th Aug 2025646 AMAQI
17th Aug 2025627 AMAQI
17th Aug 2025638 AMAQI
17th Aug 2025649 AMAQI
17th Aug 20256810 AMAQI
17th Aug 20256311 AMAQI
17th Aug 20256012 PMAQI
17th Aug 2025571 PMAQI
17th Aug 2025572 PMAQI
17th Aug 2025583 PMAQI
17th Aug 2025564 PMAQI
17th Aug 2025595 PMAQI
17th Aug 2025606 PMAQI
17th Aug 2025627 PMAQI
17th Aug 2025638 PMAQI
17th Aug 2025639 PMAQI
17th Aug 20256210 PMAQI
17th Aug 20256511 PMAQI
18th Aug 20256312 AMAQI
18th Aug 2025611 AMAQI
18th Aug 2025612 AMAQI
18th Aug 2025623 AMAQI
18th Aug 2025614 AMAQI

26°C22/30°C

18th Aug 2025605 AMAQI
18th Aug 2025626 AMAQI
18th Aug 2025617 AMAQI
18th Aug 2025768 AMAQI
18th Aug 2025819 AMAQI
18th Aug 20257610 AMAQI
18th Aug 20257011 AMAQI
18th Aug 20257012 PMAQI
18th Aug 2025671 PMAQI
18th Aug 2025662 PMAQI
18th Aug 2025643 PMAQI
18th Aug 2025704 PMAQI
18th Aug 2025655 PMAQI
18th Aug 2025666 PMAQI
18th Aug 2025647 PMAQI
18th Aug 2025688 PMAQI
18th Aug 2025749 PMAQI
18th Aug 20257410 PMAQI
18th Aug 20257411 PMAQI
19th Aug 20256612 AMAQI
19th Aug 2025601 AMAQI
19th Aug 2025602 AMAQI
19th Aug 2025623 AMAQI
19th Aug 2025624 AMAQI

27°C22/32°C

19th Aug 2025635 AMAQI
19th Aug 2025626 AMAQI
19th Aug 2025627 AMAQI
19th Aug 2025808 AMAQI
19th Aug 2025679 AMAQI
19th Aug 20256110 AMAQI
19th Aug 20256211 AMAQI
19th Aug 20256012 PMAQI
19th Aug 2025581 PMAQI
19th Aug 2025622 PMAQI
19th Aug 2025643 PMAQI
19th Aug 2025664 PMAQI
19th Aug 2025635 PMAQI
19th Aug 2025606 PMAQI
19th Aug 2025607 PMAQI
19th Aug 2025578 PMAQI
19th Aug 2025619 PMAQI
19th Aug 20256110 PMAQI
19th Aug 20256111 PMAQI
20th Aug 20256012 AMAQI

--°C/°C

5 AM
12 PM
7 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
8 AM - 7 PM

67AQI

12 hours / Day
360 hours / Month
Avg. Lowest Time
5 AM - 7 PM

66AQI

15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 7 PM (Avg. 67), while the lowest AQI was between 5 AM to 7 PM (Avg. 66).
Night time
Avg. Highest Time
12 AM - 11 PM

64AQI

9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM

64AQI

9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 64), while the lowest AQI was between 12 AM to 11 PM (Avg. 64).

2025 Days Vs Air Quality

Leidazhanzi Station, Tangshan, Hebei, China

2025

0.8%

2

50%

115

47%

108

2%

5

Total number of days with different AQI categories in last 231 days in 2025 (134 days remaining)

Good
2 Days
Moderate
115 Days
Poor
108 Days
Unhealthy
5 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 0.87%

Health Risk Level:

Extreme

In 2025, 0.87% of 231 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

Leidazhanzi Station, Tangshan, Hebei, 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.

1st January 2025
83AQI
2nd January 2025
67AQI
3rd January 2025
80AQI
4th January 2025
128AQI
5th January 2025
110AQI
6th January 2025
80AQI
7th January 2025
74AQI
8th January 2025
54AQI
9th January 2025
56AQI
10th January 2025
60AQI
11th January 2025
81AQI
12th January 2025
79AQI
13th January 2025
97AQI
14th January 2025
64AQI
15th January 2025
62AQI
16th January 2025
79AQI
17th January 2025
104AQI
18th January 2025
138AQI
19th January 2025
98AQI
20th January 2025
132AQI
21st January 2025
108AQI
22nd January 2025
112AQI
23rd January 2025
124AQI
24th January 2025
150AQI
25th January 2025
155AQI
26th January 2025
121AQI
27th January 2025
82AQI
28th January 2025
86AQI
29th January 2025
119AQI
30th January 2025
97AQI
31st January 2025
114AQI
1st February 2025
112AQI
2nd February 2025
104AQI
3rd February 2025
71AQI
4th February 2025
64AQI
5th February 2025
58AQI
6th February 2025
62AQI
7th February 2025
43AQI
8th February 2025
48AQI
9th February 2025
56AQI
10th February 2025
110AQI
11th February 2025
131AQI
12th February 2025
76AQI
13th February 2025
120AQI
14th February 2025
119AQI
15th February 2025
119AQI
16th February 2025
75AQI
17th February 2025
72AQI
18th February 2025
81AQI
19th February 2025
73AQI
20th February 2025
74AQI
21st February 2025
62AQI
22nd February 2025
62AQI
23rd February 2025
52AQI
24th February 2025
73AQI
25th February 2025
74AQI
26th February 2025
86AQI
27th February 2025
141AQI
28th February 2025
160AQI
1st March 2025
174AQI
2nd March 2025
105AQI
3rd March 2025
97AQI
4th March 2025
109AQI
5th March 2025
130AQI
6th March 2025
88AQI
7th March 2025
107AQI
8th March 2025
135AQI
9th March 2025
147AQI
10th March 2025
159AQI
11th March 2025
168AQI
12th March 2025
101AQI
13th March 2025
119AQI
14th March 2025
98AQI
15th March 2025
102AQI
16th March 2025
71AQI
17th March 2025
71AQI
18th March 2025
64AQI
19th March 2025
72AQI
20th March 2025
57AQI
21st March 2025
61AQI
22nd March 2025
65AQI
23rd March 2025
102AQI
24th March 2025
73AQI
25th March 2025
98AQI
26th March 2025
136AQI
27th March 2025
113AQI
28th March 2025
119AQI
29th March 2025
100AQI
30th March 2025
109AQI
31st March 2025
119AQI
1st April 2025
116AQI
2nd April 2025
107AQI
3rd April 2025
122AQI
4th April 2025
125AQI
5th April 2025
106AQI
6th April 2025
128AQI
7th April 2025
121AQI
8th April 2025
117AQI
9th April 2025
124AQI
10th April 2025
133AQI
11th April 2025
139AQI
12th April 2025
114AQI
13th April 2025
112AQI
14th April 2025
104AQI
15th April 2025
110AQI
16th April 2025
126AQI
17th April 2025
124AQI
18th April 2025
116AQI
19th April 2025
123AQI
20th April 2025
126AQI
21st April 2025
141AQI
22nd April 2025
104AQI
23rd April 2025
119AQI
24th April 2025
94AQI
25th April 2025
109AQI
26th April 2025
122AQI
27th April 2025
101AQI
28th April 2025
113AQI
29th April 2025
120AQI
30th April 2025
120AQI
1st May 2025
104AQI
2nd May 2025
110AQI
3rd May 2025
97AQI
4th May 2025
104AQI
5th May 2025
109AQI
6th May 2025
103AQI
7th May 2025
120AQI
8th May 2025
120AQI
9th May 2025
97AQI
10th May 2025
104AQI
11th May 2025
125AQI
12th May 2025
121AQI
13th May 2025
129AQI
14th May 2025
118AQI
15th May 2025
123AQI
16th May 2025
138AQI
17th May 2025
114AQI
18th May 2025
112AQI
19th May 2025
123AQI
20th May 2025
136AQI
21st May 2025
132AQI
22nd May 2025
139AQI
23rd May 2025
128AQI
24th May 2025
114AQI
25th May 2025
119AQI
26th May 2025
121AQI
27th May 2025
119AQI
28th May 2025
124AQI
29th May 2025
115AQI
30th May 2025
125AQI
31st May 2025
127AQI
1st June 2025
130AQI
2nd June 2025
122AQI
3rd June 2025
106AQI
4th June 2025
103AQI
5th June 2025
109AQI
6th June 2025
107AQI
7th June 2025
107AQI
8th June 2025
104AQI
9th June 2025
111AQI
10th June 2025
109AQI
11th June 2025
117AQI
12th June 2025
113AQI
13th June 2025
121AQI
14th June 2025
117AQI
15th June 2025
108AQI
16th June 2025
99AQI
17th June 2025
92AQI
18th June 2025
75AQI
19th June 2025
69AQI
20th June 2025
66AQI
21st June 2025
62AQI
22nd June 2025
52AQI
23rd June 2025
65AQI
24th June 2025
74AQI
25th June 2025
71AQI
26th June 2025
77AQI
27th June 2025
73AQI
28th June 2025
77AQI
29th June 2025
85AQI
30th June 2025
79AQI
1st July 2025
72AQI
2nd July 2025
75AQI
3rd July 2025
66AQI
4th July 2025
71AQI
5th July 2025
73AQI
6th July 2025
62AQI
7th July 2025
64AQI
8th July 2025
66AQI
9th July 2025
68AQI
10th July 2025
71AQI
11th July 2025
76AQI
12th July 2025
77AQI
13th July 2025
66AQI
14th July 2025
64AQI
15th July 2025
67AQI
16th July 2025
64AQI
17th July 2025
59AQI
18th July 2025
67AQI
19th July 2025
69AQI
20th July 2025
64AQI
21st July 2025
65AQI
22nd July 2025
69AQI
23rd July 2025
65AQI
24th July 2025
65AQI
25th July 2025
71AQI
26th July 2025
69AQI
27th July 2025
65AQI
28th July 2025
65AQI
29th July 2025
56AQI
30th July 2025
58AQI
31st July 2025
62AQI
1st August 2025
63AQI
2nd August 2025
62AQI
3rd August 2025
64AQI
4th August 2025
62AQI
5th August 2025
65AQI
6th August 2025
71AQI
7th August 2025
70AQI
8th August 2025
67AQI
9th August 2025
63AQI
10th August 2025
62AQI
11th August 2025
66AQI
12th August 2025
68AQI
13th August 2025
64AQI
14th August 2025
71AQI
15th August 2025
72AQI
16th August 2025
61AQI
17th August 2025
62AQI
18th August 2025
66AQI

97AQI

85AQI

105AQI

118AQI

118AQI

93AQI

67AQI

66AQI

No. of days

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

202595AQI

18
12
1
2
17
8
1
13
15
3
1
29
2
29
15
15
31
18
2
115
108
5

Highest AQI recorded in

May

118AQI

Lowest AQI recorded in

August

66AQI

2024101AQI

2
12
10
7
2
7
10
7
3
1
8
13
9
13
13
4
1
16
13
1
8
19
3
16
14
1
25
6
5
20
5
5
10
12
4
2
18
6
4
1
25
5
19
178
126
40
3

Highest AQI recorded in

February

124AQI

Lowest AQI recorded in

September

71AQI

2023105AQI

4
9
12
5
1
3
8
8
8
1
2
7
11
7
4
3
11
7
3
3
2
12
16
1
20
10
4
21
6
1
24
6
1
16
11
2
1
15
8
5
2
1
16
7
5
13
8
8
2
22
172
110
44
13

Highest AQI recorded in

March

135AQI

Lowest AQI recorded in

July

79AQI

2022101AQI

2
10
9
8
2
3
6
6
6
1
10
12
8
13
9
6
2
16
13
3
19
6
1
1
20
2
1
2
15
9
2
6
9
9
7
5
8
8
7
2
7
13
9
1
1
32
140
92
46
5

Highest AQI recorded in

January

124AQI

Lowest AQI recorded in

August

53AQI

2021101AQI

7
15
8
1
6
8
11
3
4
10
14
1
2
16
8
6
21
6
2
1
1
22
8
14
15
2
5
25
1
7
21
2
1
20
7
3
3
12
9
6
4
13
7
7
34
182
83
57
6
3

Highest AQI recorded in

March

165AQI

Lowest AQI recorded in

July

54AQI

2020105AQI

1
7
5
2
10
9
8
10
9
21
9
22
1
19
11
4
16
8
2
14
8
9
11
13
6
12
13
6
8
115
120
23

Highest AQI recorded in

December

121AQI

Lowest AQI recorded in

September

84AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2020(Avg.)
105AQI
Least Polluted Year Recorded
2025(Avg.)
95AQI

Leidazhanzi Station's annual 2025 AQI (95) shows an average percentage change of -7.2% (improved AQI) compared to previous years: 2020 (105), 2021 (101), 2022 (101), 2023 (105), 2024 (101).