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Qian An Tangshan Dada Qian An Campus, Qianan, 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

Qian An Tangshan Dada Qian An Campus, Qianan, Hebei, China

2021
2022
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
7th Aug 2024
90AQI
Lowest AQI recorded on
1st Aug 2021
1AQI

Same Day Analysis (20th August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 61 of Moderate air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 20th Aug - 21st Aug 2025

Qian An Tangshan Dada Qian An Campus, Qianan, Hebei, China

AQI
Day
Night
.

5 AM20th Aug 2025

7 PM

4 AM21st Aug 2025

Day time
Avg. Highest Time
8AM20th Aug

71AQI

Avg. Lowest Time
12PM20th Aug

54AQI

Night time
Avg. Highest Time
10PM20th Aug

63AQI

Avg. Lowest Time
3AM21st Aug

58AQI

In the last 24 hours,

Qian An Tangshan Dada Qian An Campus's AQI reached its highest point of 71 at 8 AM during the Day, while the lowest point, 54, was recorded at 12 PM during the Day between 20th Aug and 21st Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Qian An Tangshan Dada Qian An Campus, Qianan, Hebei, China

JulAug
22nd - 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 - 21st21st
Day
Night
22nd Jul 2025575 AMAQI
22nd Jul 2025586 AMAQI
22nd Jul 2025587 AMAQI
22nd Jul 2025858 AMAQI
22nd Jul 20251069 AMAQI
22nd Jul 20259910 AMAQI
22nd Jul 202510011 AMAQI
22nd Jul 20258512 PMAQI
22nd Jul 2025801 PMAQI
22nd Jul 2025652 PMAQI
22nd Jul 2025653 PMAQI
22nd Jul 2025644 PMAQI
22nd Jul 2025625 PMAQI
22nd Jul 2025586 PMAQI
22nd Jul 2025567 PMAQI
22nd Jul 2025598 PMAQI
22nd Jul 2025619 PMAQI
22nd Jul 20256110 PMAQI
22nd Jul 20256111 PMAQI
23rd Jul 20255912 AMAQI
23rd Jul 2025581 AMAQI
23rd Jul 2025592 AMAQI
23rd Jul 2025613 AMAQI
23rd Jul 2025664 AMAQI

28°C22/35°C

23rd Jul 2025665 AMAQI
23rd Jul 2025666 AMAQI
23rd Jul 2025667 AMAQI
23rd Jul 2025688 AMAQI
23rd Jul 2025649 AMAQI
23rd Jul 20256310 AMAQI
23rd Jul 20254711 AMAQI
23rd Jul 20254612 PMAQI
23rd Jul 2025461 PMAQI
23rd Jul 2025462 PMAQI
23rd Jul 2025513 PMAQI
23rd Jul 2025584 PMAQI
23rd Jul 2025585 PMAQI
23rd Jul 2025566 PMAQI
23rd Jul 2025567 PMAQI
23rd Jul 2025568 PMAQI
23rd Jul 2025599 PMAQI
23rd Jul 20255710 PMAQI
23rd Jul 20255811 PMAQI
24th Jul 20255812 AMAQI
24th Jul 2025581 AMAQI
24th Jul 2025602 AMAQI
24th Jul 2025603 AMAQI
24th Jul 2025584 AMAQI

29°C23/35°C

24th Jul 2025585 AMAQI
24th Jul 2025596 AMAQI
24th Jul 2025607 AMAQI
24th Jul 2025458 AMAQI
24th Jul 2025429 AMAQI
24th Jul 20253410 AMAQI
24th Jul 20253611 AMAQI
24th Jul 20254512 PMAQI
24th Jul 2025571 PMAQI
24th Jul 2025582 PMAQI
24th Jul 2025603 PMAQI
24th Jul 2025614 PMAQI
24th Jul 2025615 PMAQI
24th Jul 2025646 PMAQI
24th Jul 2025597 PMAQI
24th Jul 2025588 PMAQI
24th Jul 2025589 PMAQI
24th Jul 20255710 PMAQI
24th Jul 20255711 PMAQI
25th Jul 20255612 AMAQI
25th Jul 2025591 AMAQI
25th Jul 2025592 AMAQI
25th Jul 2025583 AMAQI
25th Jul 2025564 AMAQI

28°C23/34°C

25th Jul 2025565 AMAQI
25th Jul 2025566 AMAQI
25th Jul 2025577 AMAQI
25th Jul 2025608 AMAQI
25th Jul 2025659 AMAQI
25th Jul 20256810 AMAQI
25th Jul 20256511 AMAQI
25th Jul 20256812 PMAQI
25th Jul 2025601 PMAQI
25th Jul 2025602 PMAQI
25th Jul 2025633 PMAQI
25th Jul 2025714 PMAQI
25th Jul 2025735 PMAQI
25th Jul 2025666 PMAQI
25th Jul 2025757 PMAQI
25th Jul 2025618 PMAQI
25th Jul 2025599 PMAQI
25th Jul 20256210 PMAQI
25th Jul 20256211 PMAQI
26th Jul 20256412 AMAQI
26th Jul 2025591 AMAQI
26th Jul 2025592 AMAQI
26th Jul 2025583 AMAQI
26th Jul 2025574 AMAQI

29°C25/35°C

26th Jul 2025575 AMAQI
26th Jul 2025576 AMAQI
26th Jul 2025577 AMAQI
26th Jul 2025678 AMAQI
26th Jul 2025759 AMAQI
26th Jul 20256610 AMAQI
26th Jul 20255811 AMAQI
26th Jul 20256212 PMAQI
26th Jul 2025701 PMAQI
26th Jul 2025752 PMAQI
26th Jul 2025713 PMAQI
26th Jul 2025664 PMAQI
26th Jul 2025695 PMAQI
26th Jul 2025726 PMAQI
26th Jul 2025687 PMAQI
26th Jul 2025658 PMAQI
26th Jul 2025669 PMAQI
26th Jul 20256610 PMAQI
26th Jul 20256311 PMAQI
27th Jul 20256212 AMAQI
27th Jul 2025571 AMAQI
27th Jul 2025572 AMAQI
27th Jul 2025573 AMAQI
27th Jul 2025564 AMAQI

29°C23/36°C

27th Jul 2025565 AMAQI
27th Jul 2025566 AMAQI
27th Jul 2025567 AMAQI
27th Jul 2025608 AMAQI
27th Jul 2025649 AMAQI
27th Jul 20257610 AMAQI
27th Jul 20257711 AMAQI
27th Jul 20257612 PMAQI
27th Jul 2025681 PMAQI
27th Jul 2025722 PMAQI
27th Jul 2025693 PMAQI
27th Jul 2025624 PMAQI
27th Jul 2025575 PMAQI
27th Jul 2025546 PMAQI
27th Jul 2025567 PMAQI
27th Jul 2025608 PMAQI
27th Jul 2025589 PMAQI
27th Jul 20255810 PMAQI
27th Jul 20255811 PMAQI
28th Jul 20256012 AMAQI
28th Jul 2025581 AMAQI
28th Jul 2025582 AMAQI
28th Jul 2025593 AMAQI
28th Jul 2025614 AMAQI

30°C24/37°C

28th Jul 2025605 AMAQI
28th Jul 2025606 AMAQI
28th Jul 2025607 AMAQI
28th Jul 2025558 AMAQI
28th Jul 2025539 AMAQI
28th Jul 20255010 AMAQI
28th Jul 20254611 AMAQI
28th Jul 20254812 PMAQI
28th Jul 2025421 PMAQI
28th Jul 2025472 PMAQI
28th Jul 2025533 PMAQI
28th Jul 2025524 PMAQI
28th Jul 2025545 PMAQI
28th Jul 2025586 PMAQI
28th Jul 2025607 PMAQI
28th Jul 2025618 PMAQI
28th Jul 2025649 PMAQI
28th Jul 20256610 PMAQI
28th Jul 20256611 PMAQI
29th Jul 20256612 AMAQI
29th Jul 2025601 AMAQI
29th Jul 2025602 AMAQI
29th Jul 2025603 AMAQI
29th Jul 2025594 AMAQI

29°C25/36°C

29th Jul 2025585 AMAQI
29th Jul 2025586 AMAQI
29th Jul 2025587 AMAQI
29th Jul 2025408 AMAQI
29th Jul 2025389 AMAQI
29th Jul 20253610 AMAQI
29th Jul 20253911 AMAQI
29th Jul 20254412 PMAQI
29th Jul 2025521 PMAQI
29th Jul 2025472 PMAQI
29th Jul 2025413 PMAQI
29th Jul 2025384 PMAQI
29th Jul 2025425 PMAQI
29th Jul 2025436 PMAQI
29th Jul 2025447 PMAQI
29th Jul 2025548 PMAQI
29th Jul 2025539 PMAQI
29th Jul 20255410 PMAQI
29th Jul 20255311 PMAQI
30th Jul 20255512 AMAQI
30th Jul 2025581 AMAQI
30th Jul 2025592 AMAQI
30th Jul 2025583 AMAQI
30th Jul 2025584 AMAQI

25°C22/29°C

30th Jul 2025585 AMAQI
30th Jul 2025586 AMAQI
30th Jul 2025587 AMAQI
30th Jul 2025528 AMAQI
30th Jul 2025439 AMAQI
30th Jul 20254110 AMAQI
30th Jul 20254311 AMAQI
30th Jul 20254712 PMAQI
30th Jul 2025501 PMAQI
30th Jul 2025412 PMAQI
30th Jul 2025403 PMAQI
30th Jul 2025414 PMAQI
30th Jul 2025505 PMAQI
30th Jul 2025526 PMAQI
30th Jul 2025527 PMAQI
30th Jul 2025558 PMAQI
30th Jul 2025569 PMAQI
30th Jul 20255610 PMAQI
30th Jul 20255611 PMAQI
31st Jul 20255612 AMAQI
31st Jul 2025571 AMAQI
31st Jul 2025572 AMAQI
31st Jul 2025573 AMAQI
31st Jul 2025574 AMAQI

26°C21/32°C

31st Jul 2025575 AMAQI
31st Jul 2025576 AMAQI
31st Jul 2025577 AMAQI
31st Jul 2025578 AMAQI
31st Jul 2025579 AMAQI
31st Jul 20256410 AMAQI
31st Jul 20256611 AMAQI
31st Jul 20255912 PMAQI
31st Jul 2025561 PMAQI
31st Jul 2025552 PMAQI
31st Jul 2025503 PMAQI
31st Jul 2025514 PMAQI
31st Jul 2025455 PMAQI
31st Jul 2025546 PMAQI
31st Jul 2025577 PMAQI
31st Jul 2025638 PMAQI
31st Jul 2025669 PMAQI
31st Jul 20256110 PMAQI
31st Jul 20256611 PMAQI
1st Aug 20256612 AMAQI
1st Aug 2025561 AMAQI
1st Aug 2025562 AMAQI
1st Aug 2025583 AMAQI
1st Aug 2025594 AMAQI

27°C21/32°C

1st Aug 2025605 AMAQI
1st Aug 2025586 AMAQI
1st Aug 2025587 AMAQI
1st Aug 2025768 AMAQI
1st Aug 2025689 AMAQI
1st Aug 20257210 AMAQI
1st Aug 20256511 AMAQI
1st Aug 20256012 PMAQI
1st Aug 2025661 PMAQI
1st Aug 2025632 PMAQI
1st Aug 2025673 PMAQI
1st Aug 2025624 PMAQI
1st Aug 2025585 PMAQI
1st Aug 2025586 PMAQI
1st Aug 2025607 PMAQI
1st Aug 2025658 PMAQI
1st Aug 2025709 PMAQI
1st Aug 20256710 PMAQI
1st Aug 20257011 PMAQI
2nd Aug 20256212 AMAQI
2nd Aug 2025581 AMAQI
2nd Aug 2025582 AMAQI
2nd Aug 2025603 AMAQI
2nd Aug 2025604 AMAQI

28°C23/35°C

2nd Aug 2025605 AMAQI
2nd Aug 2025606 AMAQI
2nd Aug 2025597 AMAQI
2nd Aug 2025808 AMAQI
2nd Aug 2025859 AMAQI
2nd Aug 20257210 AMAQI
2nd Aug 20256611 AMAQI
2nd Aug 20257212 PMAQI
2nd Aug 2025671 PMAQI
2nd Aug 2025662 PMAQI
2nd Aug 2025613 PMAQI
2nd Aug 2025664 PMAQI
2nd Aug 2025675 PMAQI
2nd Aug 2025646 PMAQI
2nd Aug 2025647 PMAQI
2nd Aug 2025648 PMAQI
2nd Aug 2025649 PMAQI
2nd Aug 20256010 PMAQI
2nd Aug 20256511 PMAQI
3rd Aug 20256212 AMAQI
3rd Aug 2025581 AMAQI
3rd Aug 2025582 AMAQI
3rd Aug 2025603 AMAQI
3rd Aug 2025604 AMAQI

28°C22/36°C

3rd Aug 2025615 AMAQI
3rd Aug 2025606 AMAQI
3rd Aug 2025607 AMAQI
3rd Aug 2025518 AMAQI
3rd Aug 2025549 AMAQI
3rd Aug 20255210 AMAQI
3rd Aug 20255311 AMAQI
3rd Aug 20255712 PMAQI
3rd Aug 2025491 PMAQI
3rd Aug 2025552 PMAQI
3rd Aug 2025543 PMAQI
3rd Aug 2025574 PMAQI
3rd Aug 2025545 PMAQI
3rd Aug 2025546 PMAQI
3rd Aug 2025567 PMAQI
3rd Aug 2025578 PMAQI
3rd Aug 2025579 PMAQI
3rd Aug 20255810 PMAQI
3rd Aug 20255911 PMAQI
4th Aug 20255912 AMAQI
4th Aug 2025591 AMAQI
4th Aug 2025582 AMAQI
4th Aug 2025583 AMAQI
4th Aug 2025594 AMAQI

28°C24/35°C

4th Aug 2025585 AMAQI
4th Aug 2025596 AMAQI
4th Aug 2025587 AMAQI
4th Aug 2025608 AMAQI
4th Aug 2025599 AMAQI
4th Aug 20255710 AMAQI
4th Aug 20255611 AMAQI
4th Aug 20255912 PMAQI
4th Aug 2025541 PMAQI
4th Aug 2025582 PMAQI
4th Aug 2025523 PMAQI
4th Aug 2025464 PMAQI
4th Aug 2025535 PMAQI
4th Aug 2025556 PMAQI
4th Aug 2025577 PMAQI
4th Aug 2025558 PMAQI
4th Aug 2025549 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20255511 PMAQI
5th Aug 20255512 AMAQI
5th Aug 2025581 AMAQI
5th Aug 2025582 AMAQI
5th Aug 2025563 AMAQI
5th Aug 2025564 AMAQI

28°C24/33°C

5th Aug 2025565 AMAQI
5th Aug 2025576 AMAQI
5th Aug 2025567 AMAQI
5th Aug 2025628 AMAQI
5th Aug 2025579 AMAQI
5th Aug 20255610 AMAQI
5th Aug 20255411 AMAQI
5th Aug 20256212 PMAQI
5th Aug 2025541 PMAQI
5th Aug 2025532 PMAQI
5th Aug 2025543 PMAQI
5th Aug 2025594 PMAQI
5th Aug 2025605 PMAQI
5th Aug 2025566 PMAQI
5th Aug 2025587 PMAQI
5th Aug 2025598 PMAQI
5th Aug 2025629 PMAQI
5th Aug 20255810 PMAQI
5th Aug 20256011 PMAQI
6th Aug 20255912 AMAQI
6th Aug 2025571 AMAQI
6th Aug 2025562 AMAQI
6th Aug 2025583 AMAQI
6th Aug 2025584 AMAQI

26°C23/30°C

6th Aug 2025585 AMAQI
6th Aug 2025596 AMAQI
6th Aug 2025587 AMAQI
6th Aug 2025798 AMAQI
6th Aug 2025869 AMAQI
6th Aug 20257210 AMAQI
6th Aug 20257411 AMAQI
6th Aug 20258412 PMAQI
6th Aug 2025761 PMAQI
6th Aug 2025672 PMAQI
6th Aug 2025653 PMAQI
6th Aug 2025734 PMAQI
6th Aug 2025725 PMAQI
6th Aug 2025676 PMAQI
6th Aug 2025627 PMAQI
6th Aug 2025638 PMAQI
6th Aug 2025679 PMAQI
6th Aug 20256310 PMAQI
6th Aug 20256211 PMAQI
7th Aug 20256012 AMAQI
7th Aug 2025581 AMAQI
7th Aug 2025562 AMAQI
7th Aug 2025583 AMAQI
7th Aug 2025604 AMAQI

30°C23/39°C

7th Aug 2025595 AMAQI
7th Aug 2025606 AMAQI
7th Aug 2025597 AMAQI
7th Aug 2025768 AMAQI
7th Aug 2025769 AMAQI
7th Aug 20257110 AMAQI
7th Aug 20255811 AMAQI
7th Aug 20255512 PMAQI
7th Aug 2025541 PMAQI
7th Aug 2025392 PMAQI
7th Aug 2025363 PMAQI
7th Aug 2025374 PMAQI
7th Aug 2025395 PMAQI
7th Aug 2025466 PMAQI
7th Aug 2025467 PMAQI
7th Aug 2025558 PMAQI
7th Aug 2025559 PMAQI
7th Aug 20255410 PMAQI
7th Aug 20255511 PMAQI
8th Aug 20255712 AMAQI
8th Aug 2025561 AMAQI
8th Aug 2025602 AMAQI
8th Aug 2025613 AMAQI
8th Aug 2025614 AMAQI

29°C23/35°C

8th Aug 2025625 AMAQI
8th Aug 2025616 AMAQI
8th Aug 2025627 AMAQI
8th Aug 2025668 AMAQI
8th Aug 2025829 AMAQI
8th Aug 20258410 AMAQI
8th Aug 20258411 AMAQI
8th Aug 20257012 PMAQI
8th Aug 2025691 PMAQI
8th Aug 2025672 PMAQI
8th Aug 2025603 PMAQI
8th Aug 2025544 PMAQI
8th Aug 2025535 PMAQI
8th Aug 2025486 PMAQI
8th Aug 2025537 PMAQI
8th Aug 2025568 PMAQI
8th Aug 2025579 PMAQI
8th Aug 20255810 PMAQI
8th Aug 20255411 PMAQI
9th Aug 20255512 AMAQI
9th Aug 2025561 AMAQI
9th Aug 2025592 AMAQI
9th Aug 2025603 AMAQI
9th Aug 2025634 AMAQI

24°C21/28°C

9th Aug 2025625 AMAQI
9th Aug 2025626 AMAQI
9th Aug 2025627 AMAQI
9th Aug 2025488 AMAQI
9th Aug 2025449 AMAQI
9th Aug 20253810 AMAQI
9th Aug 20254211 AMAQI
9th Aug 20254612 PMAQI
9th Aug 2025441 PMAQI
9th Aug 2025392 PMAQI
9th Aug 2025403 PMAQI
9th Aug 2025444 PMAQI
9th Aug 2025475 PMAQI
9th Aug 2025466 PMAQI
9th Aug 2025507 PMAQI
9th Aug 2025558 PMAQI
9th Aug 2025559 PMAQI
9th Aug 20255510 PMAQI
9th Aug 20255311 PMAQI
10th Aug 20255812 AMAQI
10th Aug 2025571 AMAQI
10th Aug 2025602 AMAQI
10th Aug 2025583 AMAQI
10th Aug 2025544 AMAQI

25°C20/32°C

10th Aug 2025545 AMAQI
10th Aug 2025546 AMAQI
10th Aug 2025557 AMAQI
10th Aug 2025548 AMAQI
10th Aug 2025539 AMAQI
10th Aug 20254610 AMAQI
10th Aug 20254511 AMAQI
10th Aug 20255612 PMAQI
10th Aug 2025521 PMAQI
10th Aug 2025522 PMAQI
10th Aug 2025503 PMAQI
10th Aug 2025444 PMAQI
10th Aug 2025475 PMAQI
10th Aug 2025506 PMAQI
10th Aug 2025537 PMAQI
10th Aug 2025568 PMAQI
10th Aug 2025589 PMAQI
10th Aug 20255710 PMAQI
10th Aug 20255811 PMAQI
11th Aug 20255712 AMAQI
11th Aug 2025561 AMAQI
11th Aug 2025562 AMAQI
11th Aug 2025553 AMAQI
11th Aug 2025554 AMAQI

27°C21/36°C

11th Aug 2025545 AMAQI
11th Aug 2025546 AMAQI
11th Aug 2025547 AMAQI
11th Aug 2025668 AMAQI
11th Aug 2025689 AMAQI
11th Aug 20255810 AMAQI
11th Aug 20256111 AMAQI
11th Aug 20255912 PMAQI
11th Aug 2025601 PMAQI
11th Aug 2025622 PMAQI
11th Aug 2025643 PMAQI
11th Aug 2025654 PMAQI
11th Aug 2025585 PMAQI
11th Aug 2025656 PMAQI
11th Aug 2025637 PMAQI
11th Aug 2025628 PMAQI
11th Aug 2025629 PMAQI
11th Aug 20256310 PMAQI
11th Aug 20256211 PMAQI
12th Aug 20256012 AMAQI
12th Aug 2025541 AMAQI
12th Aug 2025552 AMAQI
12th Aug 2025563 AMAQI
12th Aug 2025564 AMAQI

26°C21/33°C

12th Aug 2025565 AMAQI
12th Aug 2025566 AMAQI
12th Aug 2025567 AMAQI
12th Aug 2025838 AMAQI
12th Aug 2025739 AMAQI
12th Aug 20256610 AMAQI
12th Aug 20257011 AMAQI
12th Aug 20257112 PMAQI
12th Aug 2025721 PMAQI
12th Aug 2025742 PMAQI
12th Aug 2025803 PMAQI
12th Aug 2025704 PMAQI
12th Aug 2025685 PMAQI
12th Aug 2025666 PMAQI
12th Aug 2025647 PMAQI
12th Aug 2025618 PMAQI
12th Aug 2025609 PMAQI
12th Aug 20255810 PMAQI
12th Aug 20256211 PMAQI
13th Aug 20255812 AMAQI
13th Aug 2025561 AMAQI
13th Aug 2025562 AMAQI
13th Aug 2025593 AMAQI
13th Aug 2025614 AMAQI

27°C22/33°C

13th Aug 2025605 AMAQI
13th Aug 2025616 AMAQI
13th Aug 2025607 AMAQI
13th Aug 2025618 AMAQI
13th Aug 2025619 AMAQI
13th Aug 20256010 AMAQI
13th Aug 20255811 AMAQI
13th Aug 20256512 PMAQI
13th Aug 2025611 PMAQI
13th Aug 2025562 PMAQI
13th Aug 2025533 PMAQI
13th Aug 2025564 PMAQI
13th Aug 2025575 PMAQI
13th Aug 2025626 PMAQI
13th Aug 2025607 PMAQI
13th Aug 2025588 PMAQI
13th Aug 2025629 PMAQI
13th Aug 20256010 PMAQI
13th Aug 20256011 PMAQI
14th Aug 20256012 AMAQI
14th Aug 2025581 AMAQI
14th Aug 2025582 AMAQI
14th Aug 2025583 AMAQI
14th Aug 2025574 AMAQI

25°C20/31°C

14th Aug 2025595 AMAQI
14th Aug 2025586 AMAQI
14th Aug 2025577 AMAQI
14th Aug 2025728 AMAQI
14th Aug 2025709 AMAQI
14th Aug 20256610 AMAQI
14th Aug 20256811 AMAQI
14th Aug 20256912 PMAQI
14th Aug 2025741 PMAQI
14th Aug 2025692 PMAQI
14th Aug 2025713 PMAQI
14th Aug 2025674 PMAQI
14th Aug 2025645 PMAQI
14th Aug 2025676 PMAQI
14th Aug 2025657 PMAQI
14th Aug 2025658 PMAQI
14th Aug 2025659 PMAQI
14th Aug 20256310 PMAQI
14th Aug 20256311 PMAQI
15th Aug 20256112 AMAQI
15th Aug 2025581 AMAQI
15th Aug 2025582 AMAQI
15th Aug 2025603 AMAQI
15th Aug 2025624 AMAQI

27°C22/35°C

15th Aug 2025615 AMAQI
15th Aug 2025606 AMAQI
15th Aug 2025617 AMAQI
15th Aug 2025668 AMAQI
15th Aug 2025689 AMAQI
15th Aug 20257010 AMAQI
15th Aug 20257511 AMAQI
15th Aug 20256812 PMAQI
15th Aug 2025791 PMAQI
15th Aug 2025662 PMAQI
15th Aug 2025713 PMAQI
15th Aug 2025684 PMAQI
15th Aug 2025905 PMAQI
15th Aug 2025796 PMAQI
15th Aug 2025767 PMAQI
15th Aug 2025708 PMAQI
15th Aug 2025669 PMAQI
15th Aug 20256810 PMAQI
15th Aug 20256711 PMAQI
16th Aug 20256412 AMAQI
16th Aug 2025601 AMAQI
16th Aug 2025592 AMAQI
16th Aug 2025603 AMAQI
16th Aug 2025614 AMAQI

27°C22/32°C

16th Aug 2025625 AMAQI
16th Aug 2025606 AMAQI
16th Aug 2025607 AMAQI
16th Aug 2025598 AMAQI
16th Aug 2025589 AMAQI
16th Aug 20255810 AMAQI
16th Aug 20255711 AMAQI
16th Aug 20255612 PMAQI
16th Aug 2025481 PMAQI
16th Aug 2025492 PMAQI
16th Aug 2025483 PMAQI
16th Aug 2025554 PMAQI
16th Aug 2025605 PMAQI
16th Aug 2025576 PMAQI
16th Aug 2025527 PMAQI
16th Aug 2025608 PMAQI
16th Aug 2025629 PMAQI
16th Aug 20256110 PMAQI
16th Aug 20256211 PMAQI
17th Aug 20256312 AMAQI
17th Aug 2025591 AMAQI
17th Aug 2025572 AMAQI
17th Aug 2025593 AMAQI
17th Aug 2025604 AMAQI

24°C22/26°C

17th Aug 2025585 AMAQI
17th Aug 2025606 AMAQI
17th Aug 2025607 AMAQI
17th Aug 2025618 AMAQI
17th Aug 2025689 AMAQI
17th Aug 20256410 AMAQI
17th Aug 20255911 AMAQI
17th Aug 20256012 PMAQI
17th Aug 2025551 PMAQI
17th Aug 2025552 PMAQI
17th Aug 2025593 PMAQI
17th Aug 2025584 PMAQI
17th Aug 2025585 PMAQI
17th Aug 2025586 PMAQI
17th Aug 2025607 PMAQI
17th Aug 2025618 PMAQI
17th Aug 2025629 PMAQI
17th Aug 20256010 PMAQI
17th Aug 20256211 PMAQI
18th Aug 20256212 AMAQI
18th Aug 2025601 AMAQI
18th Aug 2025582 AMAQI
18th Aug 2025603 AMAQI
18th Aug 2025584 AMAQI

26°C21/31°C

18th Aug 2025585 AMAQI
18th Aug 2025596 AMAQI
18th Aug 2025607 AMAQI
18th Aug 2025768 AMAQI
18th Aug 2025789 AMAQI
18th Aug 20257610 AMAQI
18th Aug 20257211 AMAQI
18th Aug 20257512 PMAQI
18th Aug 2025711 PMAQI
18th Aug 2025652 PMAQI
18th Aug 2025653 PMAQI
18th Aug 2025704 PMAQI
18th Aug 2025605 PMAQI
18th Aug 2025646 PMAQI
18th Aug 2025627 PMAQI
18th Aug 2025618 PMAQI
18th Aug 2025669 PMAQI
18th Aug 20256810 PMAQI
18th Aug 20256711 PMAQI
19th Aug 20256212 AMAQI
19th Aug 2025601 AMAQI
19th Aug 2025592 AMAQI
19th Aug 2025603 AMAQI
19th Aug 2025624 AMAQI

27°C21/32°C

19th Aug 2025625 AMAQI
19th Aug 2025616 AMAQI
19th Aug 2025617 AMAQI
19th Aug 2025768 AMAQI
19th Aug 2025639 AMAQI
19th Aug 20255610 AMAQI
19th Aug 20255811 AMAQI
19th Aug 20255612 PMAQI
19th Aug 2025571 PMAQI
19th Aug 2025562 PMAQI
19th Aug 2025633 PMAQI
19th Aug 2025624 PMAQI
19th Aug 2025605 PMAQI
19th Aug 2025606 PMAQI
19th Aug 2025587 PMAQI
19th Aug 2025588 PMAQI
19th Aug 2025609 PMAQI
19th Aug 20255910 PMAQI
19th Aug 20255911 PMAQI
20th Aug 20256012 AMAQI
20th Aug 2025601 AMAQI
20th Aug 2025602 AMAQI
20th Aug 2025623 AMAQI
20th Aug 2025624 AMAQI

26°C23/31°C

20th Aug 2025615 AMAQI
20th Aug 2025626 AMAQI
20th Aug 2025627 AMAQI
20th Aug 2025718 AMAQI
20th Aug 2025669 AMAQI
20th Aug 20256810 AMAQI
20th Aug 20256011 AMAQI
20th Aug 20255412 PMAQI
20th Aug 2025611 PMAQI
20th Aug 2025562 PMAQI
20th Aug 2025563 PMAQI
20th Aug 2025604 PMAQI
20th Aug 2025615 PMAQI
20th Aug 2025606 PMAQI
20th Aug 2025587 PMAQI
20th Aug 2025608 PMAQI
20th Aug 2025619 PMAQI
20th Aug 20256310 PMAQI
20th Aug 20256111 PMAQI
21st Aug 20256012 AMAQI
21st Aug 2025601 AMAQI
21st Aug 2025602 AMAQI
21st Aug 2025583 AMAQI
21st Aug 2025624 AMAQI

26°C23/30°C

21st Aug 2025605 AMAQI
5 AM
21st Aug 2025616 AMAQI
21st Aug 2025607 AMAQI
21st Aug 2025678 AMAQI
21st Aug 2025679 AMAQI
21st Aug 20256410 AMAQI
21st Aug 20255811 AMAQI
21st Aug 20255412 PMAQI
12 PM
7 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
8 AM - 7 PM

60AQI

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

60AQI

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. 60), while the lowest AQI was between 5 AM to 7 PM (Avg. 60).
Night time
Avg. Highest Time
12 AM - 11 PM

60AQI

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

60AQI

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. 60), while the lowest AQI was between 12 AM to 11 PM (Avg. 60).

2025 Days Vs Air Quality

Qian An Tangshan Dada Qian An Campus, Qianan, Hebei, China

2025

1%

3

80%

186

16%

37

3%

6

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

Good
3 Days
Moderate
186 Days
Poor
37 Days
Unhealthy
6 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 1%

Health Risk Level:

Extreme

In 2025, 1% 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

Qian An Tangshan Dada Qian An Campus, Qianan, 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
79AQI
2nd January 2025
67AQI
3rd January 2025
72AQI
4th January 2025
97AQI
5th January 2025
102AQI
6th January 2025
73AQI
7th January 2025
62AQI
8th January 2025
52AQI
9th January 2025
54AQI
10th January 2025
60AQI
11th January 2025
75AQI
12th January 2025
79AQI
13th January 2025
88AQI
14th January 2025
65AQI
15th January 2025
65AQI
16th January 2025
70AQI
17th January 2025
94AQI
18th January 2025
133AQI
19th January 2025
89AQI
20th January 2025
132AQI
21st January 2025
86AQI
22nd January 2025
108AQI
23rd January 2025
126AQI
24th January 2025
144AQI
25th January 2025
153AQI
26th January 2025
132AQI
27th January 2025
78AQI
28th January 2025
87AQI
29th January 2025
125AQI
30th January 2025
97AQI
31st January 2025
129AQI
1st February 2025
115AQI
2nd February 2025
113AQI
3rd February 2025
70AQI
4th February 2025
67AQI
5th February 2025
53AQI
6th February 2025
58AQI
7th February 2025
42AQI
8th February 2025
48AQI
9th February 2025
57AQI
10th February 2025
102AQI
11th February 2025
125AQI
12th February 2025
80AQI
13th February 2025
113AQI
14th February 2025
112AQI
15th February 2025
125AQI
16th February 2025
73AQI
17th February 2025
71AQI
18th February 2025
67AQI
19th February 2025
63AQI
20th February 2025
59AQI
21st February 2025
55AQI
22nd February 2025
58AQI
23rd February 2025
52AQI
24th February 2025
69AQI
25th February 2025
73AQI
26th February 2025
85AQI
27th February 2025
138AQI
28th February 2025
161AQI
1st March 2025
153AQI
2nd March 2025
97AQI
3rd March 2025
93AQI
4th March 2025
103AQI
5th March 2025
120AQI
6th March 2025
78AQI
7th March 2025
98AQI
8th March 2025
133AQI
9th March 2025
154AQI
10th March 2025
161AQI
11th March 2025
175AQI
12th March 2025
90AQI
13th March 2025
111AQI
14th March 2025
88AQI
15th March 2025
87AQI
16th March 2025
68AQI
17th March 2025
65AQI
18th March 2025
58AQI
19th March 2025
69AQI
20th March 2025
59AQI
21st March 2025
59AQI
22nd March 2025
65AQI
23rd March 2025
104AQI
24th March 2025
61AQI
25th March 2025
79AQI
26th March 2025
104AQI
27th March 2025
72AQI
28th March 2025
76AQI
29th March 2025
63AQI
30th March 2025
70AQI
31st March 2025
94AQI
1st April 2025
87AQI
2nd April 2025
67AQI
3rd April 2025
86AQI
4th April 2025
92AQI
5th April 2025
62AQI
6th April 2025
87AQI
7th April 2025
92AQI
8th April 2025
76AQI
9th April 2025
88AQI
10th April 2025
108AQI
11th April 2025
120AQI
12th April 2025
92AQI
13th April 2025
78AQI
14th April 2025
75AQI
15th April 2025
82AQI
16th April 2025
108AQI
17th April 2025
107AQI
18th April 2025
77AQI
19th April 2025
85AQI
20th April 2025
95AQI
21st April 2025
106AQI
22nd April 2025
74AQI
23rd April 2025
89AQI
24th April 2025
60AQI
25th April 2025
74AQI
26th April 2025
105AQI
27th April 2025
68AQI
28th April 2025
81AQI
29th April 2025
93AQI
30th April 2025
89AQI
1st May 2025
74AQI
2nd May 2025
73AQI
3rd May 2025
61AQI
4th May 2025
71AQI
5th May 2025
84AQI
6th May 2025
70AQI
7th May 2025
93AQI
8th May 2025
89AQI
9th May 2025
72AQI
10th May 2025
75AQI
11th May 2025
98AQI
12th May 2025
110AQI
13th May 2025
103AQI
14th May 2025
87AQI
15th May 2025
85AQI
16th May 2025
106AQI
17th May 2025
74AQI
18th May 2025
84AQI
19th May 2025
89AQI
20th May 2025
116AQI
21st May 2025
100AQI
22nd May 2025
117AQI
23rd May 2025
84AQI
24th May 2025
83AQI
25th May 2025
90AQI
26th May 2025
89AQI
27th May 2025
93AQI
28th May 2025
97AQI
29th May 2025
100AQI
30th May 2025
109AQI
31st May 2025
115AQI
1st June 2025
102AQI
2nd June 2025
85AQI
3rd June 2025
59AQI
4th June 2025
59AQI
5th June 2025
75AQI
6th June 2025
70AQI
7th June 2025
65AQI
8th June 2025
71AQI
9th June 2025
79AQI
10th June 2025
62AQI
11th June 2025
75AQI
12th June 2025
74AQI
13th June 2025
75AQI
14th June 2025
74AQI
15th June 2025
62AQI
16th June 2025
56AQI
17th June 2025
66AQI
18th June 2025
70AQI
19th June 2025
67AQI
20th June 2025
59AQI
21st June 2025
52AQI
22nd June 2025
44AQI
23rd June 2025
63AQI
24th June 2025
71AQI
25th June 2025
68AQI
26th June 2025
70AQI
27th June 2025
73AQI
28th June 2025
72AQI
29th June 2025
81AQI
30th June 2025
76AQI
1st July 2025
71AQI
2nd July 2025
74AQI
3rd July 2025
66AQI
4th July 2025
72AQI
5th July 2025
72AQI
6th July 2025
60AQI
7th July 2025
64AQI
8th July 2025
64AQI
9th July 2025
67AQI
10th July 2025
68AQI
11th July 2025
72AQI
12th July 2025
68AQI
13th July 2025
59AQI
14th July 2025
57AQI
15th July 2025
60AQI
16th July 2025
59AQI
17th July 2025
55AQI
18th July 2025
58AQI
19th July 2025
65AQI
20th July 2025
59AQI
21st July 2025
60AQI
22nd July 2025
67AQI
23rd July 2025
58AQI
24th July 2025
56AQI
25th July 2025
62AQI
26th July 2025
64AQI
27th July 2025
61AQI
28th July 2025
57AQI
29th July 2025
51AQI
30th July 2025
53AQI
31st July 2025
58AQI
1st August 2025
63AQI
2nd August 2025
64AQI
3rd August 2025
57AQI
4th August 2025
56AQI
5th August 2025
57AQI
6th August 2025
65AQI
7th August 2025
55AQI
8th August 2025
61AQI
9th August 2025
52AQI
10th August 2025
54AQI
11th August 2025
60AQI
12th August 2025
63AQI
13th August 2025
59AQI
14th August 2025
64AQI
15th August 2025
68AQI
16th August 2025
58AQI
17th August 2025
60AQI
18th August 2025
65AQI
19th August 2025
60AQI
20th August 2025
61AQI

93AQI

82AQI

94AQI

87AQI

90AQI

69AQI

62AQI

60AQI

No. of days

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

202581AQI

21
9
1
2
17
8
1
21
6
4
24
6
24
7
1
28
1
31
20
3
186
37
6

Highest AQI recorded in

March

94AQI

Lowest AQI recorded in

August

60AQI

202475AQI

16
2
10
30
31
31
7
18
4
4
12
11
4
2
18
6
4
2
24
5
33
174
26
8

Highest AQI recorded in

October

99AQI

Lowest AQI recorded in

January

50AQI

202353AQI

3
11
20
11
23

Highest AQI recorded in

November

55AQI

Lowest AQI recorded in

December

52AQI

202283AQI

5
11
10
5
4
10
4
2
5
15
9
2
2
16
12
2
24
5
10
18
2
9
12
1
37
107
42
9

Highest AQI recorded in

January

103AQI

Lowest AQI recorded in

July

55AQI

202172AQI

6
11
8
4
2
3
8
6
9
2
3
3
12
9
2
2
2
15
5
4
3
17
5
4
1
1
21
9
16
9
6
31
30
31
15
7
4
4
9
11
6
5
149
102
61
39
7
3

Highest AQI recorded in

March

151AQI

Lowest AQI recorded in

October

1AQI

202095AQI

1
8
4
3
11
4
3
2
13
3
2
13
15
17
13
1
2
13
14
2
7
13
8
1
5
9
8
9
8
11
6
5
8
10
10
3
38
118
85
24

Highest AQI recorded in

October

111AQI

Lowest AQI recorded in

May

79AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2020(Avg.)
95AQI
Least Polluted Year Recorded
2023(Avg.)
53AQI

Qian An Tangshan Dada Qian An Campus's annual 2025 AQI (81) shows an average percentage change of 10.8% (worsened AQI) compared to previous years: 2020 (95), 2021 (72), 2022 (83), 2023 (53), 2024 (75).