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The Roof Of The Fourth Floor Of The Taxi Middle School Library, 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

The Roof Of The Fourth Floor Of The Taxi Middle School Library, Tangshan, Hebei, China

2021
2022
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
10th Aug 2024
108AQI
Lowest AQI recorded on
1st Aug 2021
1AQI

Same Day Analysis (18th August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 64 of Moderate air quality, showing improvement over 2024 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

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

The Roof Of The Fourth Floor Of The Taxi Middle School Library, 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

77AQI

Avg. Lowest Time
8PM19th Aug

56AQI

In the last 24 hours,

The Roof Of The Fourth Floor Of The Taxi Middle School Library's AQI reached its highest point of 77 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

The Roof Of The Fourth Floor Of The Taxi Middle School Library, 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 2025645 AMAQI
21st Jul 2025646 AMAQI
21st Jul 2025647 AMAQI
21st Jul 2025638 AMAQI
21st Jul 2025599 AMAQI
21st Jul 20255410 AMAQI
21st Jul 20255611 AMAQI
21st Jul 20255512 PMAQI
21st Jul 2025561 PMAQI
21st Jul 2025522 PMAQI
21st Jul 2025543 PMAQI
21st Jul 2025564 PMAQI
21st Jul 2025555 PMAQI
21st Jul 2025586 PMAQI
21st Jul 2025587 PMAQI
21st Jul 2025628 PMAQI
21st Jul 2025649 PMAQI
21st Jul 20256610 PMAQI
21st Jul 20256711 PMAQI
22nd Jul 20256412 AMAQI
22nd Jul 2025651 AMAQI
22nd Jul 2025662 AMAQI
22nd Jul 2025653 AMAQI
22nd Jul 2025644 AMAQI

27°C21/36°C

22nd Jul 2025645 AMAQI
22nd Jul 2025646 AMAQI
22nd Jul 2025647 AMAQI
22nd Jul 2025748 AMAQI
22nd Jul 2025769 AMAQI
22nd Jul 20257210 AMAQI
22nd Jul 20256611 AMAQI
22nd Jul 20256112 PMAQI
22nd Jul 2025661 PMAQI
22nd Jul 2025652 PMAQI
22nd Jul 2025623 PMAQI
22nd Jul 2025614 PMAQI
22nd Jul 2025605 PMAQI
22nd Jul 2025586 PMAQI
22nd Jul 2025597 PMAQI
22nd Jul 2025608 PMAQI
22nd Jul 2025609 PMAQI
22nd Jul 20256010 PMAQI
22nd Jul 20256011 PMAQI
23rd Jul 20256112 AMAQI
23rd Jul 2025641 AMAQI
23rd Jul 2025662 AMAQI
23rd Jul 2025663 AMAQI
23rd Jul 2025654 AMAQI

28°C22/35°C

23rd Jul 2025655 AMAQI
23rd Jul 2025656 AMAQI
23rd Jul 2025657 AMAQI
23rd Jul 2025618 AMAQI
23rd Jul 2025649 AMAQI
23rd Jul 20256410 AMAQI
23rd Jul 20255711 AMAQI
23rd Jul 20255612 PMAQI
23rd Jul 2025561 PMAQI
23rd Jul 2025512 PMAQI
23rd Jul 2025563 PMAQI
23rd Jul 2025564 PMAQI
23rd Jul 2025555 PMAQI
23rd Jul 2025546 PMAQI
23rd Jul 2025557 PMAQI
23rd Jul 2025608 PMAQI
23rd Jul 2025599 PMAQI
23rd Jul 20255710 PMAQI
23rd Jul 20255911 PMAQI
24th Jul 20255812 AMAQI
24th Jul 2025601 AMAQI
24th Jul 2025632 AMAQI
24th Jul 2025633 AMAQI
24th Jul 2025634 AMAQI

29°C23/35°C

24th Jul 2025635 AMAQI
24th Jul 2025656 AMAQI
24th Jul 2025657 AMAQI
24th Jul 2025578 AMAQI
24th Jul 2025529 AMAQI
24th Jul 20255510 AMAQI
24th Jul 20255711 AMAQI
24th Jul 20255712 PMAQI
24th Jul 2025591 PMAQI
24th Jul 2025652 PMAQI
24th Jul 2025663 PMAQI
24th Jul 2025604 PMAQI
24th Jul 2025595 PMAQI
24th Jul 2025606 PMAQI
24th Jul 2025567 PMAQI
24th Jul 2025588 PMAQI
24th Jul 2025609 PMAQI
24th Jul 20256110 PMAQI
24th Jul 20255611 PMAQI
25th Jul 20255812 AMAQI
25th Jul 2025621 AMAQI
25th Jul 2025622 AMAQI
25th Jul 2025643 AMAQI
25th Jul 2025644 AMAQI

28°C23/34°C

25th Jul 2025645 AMAQI
25th Jul 2025646 AMAQI
25th Jul 2025647 AMAQI
25th Jul 2025608 AMAQI
25th Jul 2025629 AMAQI
25th Jul 20256110 AMAQI
25th Jul 20256311 AMAQI
25th Jul 20256512 PMAQI
25th Jul 2025671 PMAQI
25th Jul 2025692 PMAQI
25th Jul 2025663 PMAQI
25th Jul 2025664 PMAQI
25th Jul 2025645 PMAQI
25th Jul 2025626 PMAQI
25th Jul 2025617 PMAQI
25th Jul 2025638 PMAQI
25th Jul 2025639 PMAQI
25th Jul 20256410 PMAQI
25th Jul 20256311 PMAQI
26th Jul 20256412 AMAQI
26th Jul 2025621 AMAQI
26th Jul 2025642 AMAQI
26th Jul 2025643 AMAQI
26th Jul 2025644 AMAQI

29°C25/35°C

26th Jul 2025645 AMAQI
26th Jul 2025646 AMAQI
26th Jul 2025657 AMAQI
26th Jul 2025678 AMAQI
26th Jul 2025719 AMAQI
26th Jul 20256210 AMAQI
26th Jul 20256111 AMAQI
26th Jul 20256412 PMAQI
26th Jul 2025621 PMAQI
26th Jul 2025642 PMAQI
26th Jul 2025623 PMAQI
26th Jul 2025634 PMAQI
26th Jul 2025625 PMAQI
26th Jul 2025646 PMAQI
26th Jul 2025637 PMAQI
26th Jul 2025628 PMAQI
26th Jul 2025609 PMAQI
26th Jul 20256110 PMAQI
26th Jul 20256211 PMAQI
27th Jul 20256112 AMAQI
27th Jul 2025631 AMAQI
27th Jul 2025642 AMAQI
27th Jul 2025643 AMAQI
27th Jul 2025654 AMAQI

29°C23/36°C

27th Jul 2025655 AMAQI
27th Jul 2025656 AMAQI
27th Jul 2025657 AMAQI
27th Jul 2025648 AMAQI
27th Jul 2025629 AMAQI
27th Jul 20256010 AMAQI
27th Jul 20255911 AMAQI
27th Jul 20255512 PMAQI
27th Jul 2025561 PMAQI
27th Jul 2025562 PMAQI
27th Jul 2025573 PMAQI
27th Jul 2025574 PMAQI
27th Jul 2025585 PMAQI
27th Jul 2025556 PMAQI
27th Jul 2025597 PMAQI
27th Jul 2025598 PMAQI
27th Jul 2025599 PMAQI
27th Jul 20256010 PMAQI
27th Jul 20256011 PMAQI
28th Jul 20256212 AMAQI
28th Jul 2025631 AMAQI
28th Jul 2025642 AMAQI
28th Jul 2025653 AMAQI
28th Jul 2025644 AMAQI

30°C24/37°C

28th Jul 2025645 AMAQI
28th Jul 2025646 AMAQI
28th Jul 2025657 AMAQI
28th Jul 2025648 AMAQI
28th Jul 2025609 AMAQI
28th Jul 20255410 AMAQI
28th Jul 20255411 AMAQI
28th Jul 20255412 PMAQI
28th Jul 2025541 PMAQI
28th Jul 2025552 PMAQI
28th Jul 2025553 PMAQI
28th Jul 2025554 PMAQI
28th Jul 2025585 PMAQI
28th Jul 2025606 PMAQI
28th Jul 2025627 PMAQI
28th Jul 2025638 PMAQI
28th Jul 2025629 PMAQI
28th Jul 20256210 PMAQI
28th Jul 20256411 PMAQI
29th Jul 20256212 AMAQI
29th Jul 2025631 AMAQI
29th Jul 2025632 AMAQI
29th Jul 2025623 AMAQI
29th Jul 2025604 AMAQI

29°C25/36°C

29th Jul 2025625 AMAQI
29th Jul 2025626 AMAQI
29th Jul 2025617 AMAQI
29th Jul 2025548 AMAQI
29th Jul 2025509 AMAQI
29th Jul 20255310 AMAQI
29th Jul 20255211 AMAQI
29th Jul 20255212 PMAQI
29th Jul 2025521 PMAQI
29th Jul 2025492 PMAQI
29th Jul 2025473 PMAQI
29th Jul 2025484 PMAQI
29th Jul 2025495 PMAQI
29th Jul 2025516 PMAQI
29th Jul 2025497 PMAQI
29th Jul 2025538 PMAQI
29th Jul 2025569 PMAQI
29th Jul 20255610 PMAQI
29th Jul 20255411 PMAQI
30th Jul 20255512 AMAQI
30th Jul 2025601 AMAQI
30th Jul 2025622 AMAQI
30th Jul 2025603 AMAQI
30th Jul 2025594 AMAQI

25°C22/29°C

30th Jul 2025595 AMAQI
30th Jul 2025586 AMAQI
30th Jul 2025587 AMAQI
30th Jul 2025608 AMAQI
30th Jul 2025569 AMAQI
30th Jul 20255410 AMAQI
30th Jul 20255311 AMAQI
30th Jul 20255112 PMAQI
30th Jul 2025511 PMAQI
30th Jul 2025472 PMAQI
30th Jul 2025483 PMAQI
30th Jul 2025484 PMAQI
30th Jul 2025525 PMAQI
30th Jul 2025526 PMAQI
30th Jul 2025527 PMAQI
30th Jul 2025568 PMAQI
30th Jul 2025579 PMAQI
30th Jul 20255610 PMAQI
30th Jul 20255611 PMAQI
31st Jul 20255712 AMAQI
31st Jul 2025581 AMAQI
31st Jul 2025592 AMAQI
31st Jul 2025583 AMAQI
31st Jul 2025584 AMAQI

26°C21/32°C

31st Jul 2025585 AMAQI
31st Jul 2025586 AMAQI
31st Jul 2025587 AMAQI
31st Jul 2025588 AMAQI
31st Jul 2025589 AMAQI
31st Jul 20256210 AMAQI
31st Jul 20255711 AMAQI
31st Jul 20255712 PMAQI
31st Jul 2025561 PMAQI
31st Jul 2025542 PMAQI
31st Jul 2025563 PMAQI
31st Jul 2025584 PMAQI
31st Jul 2025565 PMAQI
31st Jul 2025556 PMAQI
31st Jul 2025597 PMAQI
31st Jul 2025648 PMAQI
31st Jul 2025649 PMAQI
31st Jul 20256110 PMAQI
31st Jul 20256611 PMAQI
1st Aug 20256412 AMAQI
1st Aug 2025571 AMAQI
1st Aug 2025562 AMAQI
1st Aug 2025583 AMAQI
1st Aug 2025584 AMAQI

27°C21/32°C

1st Aug 2025595 AMAQI
1st Aug 2025586 AMAQI
1st Aug 2025597 AMAQI
1st Aug 2025738 AMAQI
1st Aug 2025649 AMAQI
1st Aug 20256510 AMAQI
1st Aug 20255811 AMAQI
1st Aug 20255912 PMAQI
1st Aug 2025641 PMAQI
1st Aug 2025662 PMAQI
1st Aug 2025673 PMAQI
1st Aug 2025684 PMAQI
1st Aug 2025685 PMAQI
1st Aug 2025576 PMAQI
1st Aug 2025637 PMAQI
1st Aug 2025638 PMAQI
1st Aug 2025679 PMAQI
1st Aug 20256310 PMAQI
1st Aug 20256611 PMAQI
2nd Aug 20256212 AMAQI
2nd Aug 2025581 AMAQI
2nd Aug 2025582 AMAQI
2nd Aug 2025593 AMAQI
2nd Aug 2025604 AMAQI

28°C23/35°C

2nd Aug 2025615 AMAQI
2nd Aug 2025616 AMAQI
2nd Aug 2025607 AMAQI
2nd Aug 2025648 AMAQI
2nd Aug 2025689 AMAQI
2nd Aug 20256310 AMAQI
2nd Aug 20255811 AMAQI
2nd Aug 20255912 PMAQI
2nd Aug 2025621 PMAQI
2nd Aug 2025602 PMAQI
2nd Aug 2025603 PMAQI
2nd Aug 2025634 PMAQI
2nd Aug 2025635 PMAQI
2nd Aug 2025646 PMAQI
2nd Aug 2025627 PMAQI
2nd Aug 2025628 PMAQI
2nd Aug 2025629 PMAQI
2nd Aug 20256110 PMAQI
2nd Aug 20256111 PMAQI
3rd Aug 20256012 AMAQI
3rd Aug 2025591 AMAQI
3rd Aug 2025592 AMAQI
3rd Aug 2025603 AMAQI
3rd Aug 2025604 AMAQI

28°C22/36°C

3rd Aug 2025615 AMAQI
3rd Aug 2025616 AMAQI
3rd Aug 2025617 AMAQI
3rd Aug 2025568 AMAQI
3rd Aug 2025589 AMAQI
3rd Aug 20255710 AMAQI
3rd Aug 20256111 AMAQI
3rd Aug 20256012 PMAQI
3rd Aug 2025601 PMAQI
3rd Aug 2025592 PMAQI
3rd Aug 2025623 PMAQI
3rd Aug 2025684 PMAQI
3rd Aug 2025635 PMAQI
3rd Aug 2025626 PMAQI
3rd Aug 2025607 PMAQI
3rd Aug 2025648 PMAQI
3rd Aug 2025639 PMAQI
3rd Aug 20256210 PMAQI
3rd Aug 20256011 PMAQI
4th Aug 20256112 AMAQI
4th Aug 2025581 AMAQI
4th Aug 2025592 AMAQI
4th Aug 2025583 AMAQI
4th Aug 2025594 AMAQI

28°C24/35°C

4th Aug 2025595 AMAQI
4th Aug 2025606 AMAQI
4th Aug 2025607 AMAQI
4th Aug 2025778 AMAQI
4th Aug 2025709 AMAQI
4th Aug 20257010 AMAQI
4th Aug 20256111 AMAQI
4th Aug 20256012 PMAQI
4th Aug 2025501 PMAQI
4th Aug 2025562 PMAQI
4th Aug 2025553 PMAQI
4th Aug 2025534 PMAQI
4th Aug 2025605 PMAQI
4th Aug 2025606 PMAQI
4th Aug 2025607 PMAQI
4th Aug 2025598 PMAQI
4th Aug 2025589 PMAQI
4th Aug 20255710 PMAQI
4th Aug 20255811 PMAQI
5th Aug 20255812 AMAQI
5th Aug 2025581 AMAQI
5th Aug 2025582 AMAQI
5th Aug 2025583 AMAQI
5th Aug 2025604 AMAQI

28°C24/33°C

5th Aug 2025585 AMAQI
5th Aug 2025596 AMAQI
5th Aug 2025607 AMAQI
5th Aug 2025728 AMAQI
5th Aug 2025699 AMAQI
5th Aug 20256210 AMAQI
5th Aug 20255811 AMAQI
5th Aug 20256512 PMAQI
5th Aug 2025621 PMAQI
5th Aug 2025632 PMAQI
5th Aug 2025613 PMAQI
5th Aug 2025634 PMAQI
5th Aug 2025685 PMAQI
5th Aug 2025646 PMAQI
5th Aug 2025637 PMAQI
5th Aug 2025668 PMAQI
5th Aug 2025709 PMAQI
5th Aug 20257310 PMAQI
5th Aug 20256811 PMAQI
6th Aug 20256312 AMAQI
6th Aug 2025581 AMAQI
6th Aug 2025572 AMAQI
6th Aug 2025603 AMAQI
6th Aug 2025604 AMAQI

26°C23/30°C

6th Aug 2025605 AMAQI
6th Aug 2025616 AMAQI
6th Aug 2025617 AMAQI
6th Aug 2025788 AMAQI
6th Aug 2025979 AMAQI
6th Aug 20259410 AMAQI
6th Aug 20258911 AMAQI
6th Aug 20258812 PMAQI
6th Aug 2025881 PMAQI
6th Aug 2025872 PMAQI
6th Aug 2025683 PMAQI
6th Aug 2025734 PMAQI
6th Aug 2025695 PMAQI
6th Aug 2025666 PMAQI
6th Aug 2025687 PMAQI
6th Aug 2025708 PMAQI
6th Aug 2025729 PMAQI
6th Aug 20256810 PMAQI
6th Aug 20256911 PMAQI
7th Aug 20256712 AMAQI
7th Aug 2025581 AMAQI
7th Aug 2025602 AMAQI
7th Aug 2025643 AMAQI
7th Aug 2025674 AMAQI

30°C23/39°C

7th Aug 2025665 AMAQI
7th Aug 2025626 AMAQI
7th Aug 2025667 AMAQI
7th Aug 2025938 AMAQI
7th Aug 2025959 AMAQI
7th Aug 20258510 AMAQI
7th Aug 20258611 AMAQI
7th Aug 20258412 PMAQI
7th Aug 2025641 PMAQI
7th Aug 2025722 PMAQI
7th Aug 2025693 PMAQI
7th Aug 2025654 PMAQI
7th Aug 2025655 PMAQI
7th Aug 2025626 PMAQI
7th Aug 2025597 PMAQI
7th Aug 2025598 PMAQI
7th Aug 2025629 PMAQI
7th Aug 20256210 PMAQI
7th Aug 20256211 PMAQI
8th Aug 20256112 AMAQI
8th Aug 2025621 AMAQI
8th Aug 2025642 AMAQI
8th Aug 2025663 AMAQI
8th Aug 2025684 AMAQI

29°C23/35°C

8th Aug 2025695 AMAQI
8th Aug 2025686 AMAQI
8th Aug 2025687 AMAQI
8th Aug 2025648 AMAQI
8th Aug 2025679 AMAQI
8th Aug 20256710 AMAQI
8th Aug 20256411 AMAQI
8th Aug 20256412 PMAQI
8th Aug 2025621 PMAQI
8th Aug 2025602 PMAQI
8th Aug 2025583 PMAQI
8th Aug 2025574 PMAQI
8th Aug 2025575 PMAQI
8th Aug 2025546 PMAQI
8th Aug 2025587 PMAQI
8th Aug 2025608 PMAQI
8th Aug 2025619 PMAQI
8th Aug 20256510 PMAQI
8th Aug 20256311 PMAQI
9th Aug 20256212 AMAQI
9th Aug 2025651 AMAQI
9th Aug 2025652 AMAQI
9th Aug 2025663 AMAQI
9th Aug 2025664 AMAQI

24°C21/28°C

9th Aug 2025665 AMAQI
9th Aug 2025666 AMAQI
9th Aug 2025667 AMAQI
9th Aug 2025628 AMAQI
9th Aug 2025639 AMAQI
9th Aug 20255410 AMAQI
9th Aug 20255411 AMAQI
9th Aug 20255312 PMAQI
9th Aug 2025531 PMAQI
9th Aug 2025542 PMAQI
9th Aug 2025543 PMAQI
9th Aug 2025574 PMAQI
9th Aug 2025565 PMAQI
9th Aug 2025596 PMAQI
9th Aug 2025607 PMAQI
9th Aug 2025628 PMAQI
9th Aug 2025649 PMAQI
9th Aug 20256410 PMAQI
9th Aug 20256211 PMAQI
10th Aug 20256312 AMAQI
10th Aug 2025651 AMAQI
10th Aug 2025652 AMAQI
10th Aug 2025653 AMAQI
10th Aug 2025634 AMAQI

25°C20/32°C

10th Aug 2025645 AMAQI
10th Aug 2025646 AMAQI
10th Aug 2025637 AMAQI
10th Aug 2025638 AMAQI
10th Aug 2025659 AMAQI
10th Aug 20256010 AMAQI
10th Aug 20255411 AMAQI
10th Aug 20255412 PMAQI
10th Aug 2025541 PMAQI
10th Aug 2025522 PMAQI
10th Aug 2025523 PMAQI
10th Aug 2025534 PMAQI
10th Aug 2025415 PMAQI
10th Aug 2025476 PMAQI
10th Aug 2025487 PMAQI
10th Aug 2025588 PMAQI
10th Aug 2025599 PMAQI
10th Aug 20256010 PMAQI
10th Aug 20256211 PMAQI
11th Aug 20256312 AMAQI
11th Aug 2025641 AMAQI
11th Aug 2025642 AMAQI
11th Aug 2025633 AMAQI
11th Aug 2025634 AMAQI

27°C21/36°C

11th Aug 2025635 AMAQI
11th Aug 2025626 AMAQI
11th Aug 2025627 AMAQI
11th Aug 2025668 AMAQI
11th Aug 2025709 AMAQI
11th Aug 20256410 AMAQI
11th Aug 20256411 AMAQI
11th Aug 20256612 PMAQI
11th Aug 2025671 PMAQI
11th Aug 2025632 PMAQI
11th Aug 2025633 PMAQI
11th Aug 2025644 PMAQI
11th Aug 2025615 PMAQI
11th Aug 2025646 PMAQI
11th Aug 2025657 PMAQI
11th Aug 2025648 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 2025613 AMAQI
12th Aug 2025634 AMAQI

26°C21/33°C

12th Aug 2025625 AMAQI
12th Aug 2025626 AMAQI
12th Aug 2025637 AMAQI
12th Aug 2025878 AMAQI
12th Aug 2025769 AMAQI
12th Aug 20256610 AMAQI
12th Aug 20257611 AMAQI
12th Aug 20257012 PMAQI
12th Aug 2025751 PMAQI
12th Aug 2025692 PMAQI
12th Aug 2025723 PMAQI
12th Aug 2025714 PMAQI
12th Aug 2025685 PMAQI
12th Aug 2025706 PMAQI
12th Aug 2025647 PMAQI
12th Aug 2025648 PMAQI
12th Aug 2025709 PMAQI
12th Aug 20256510 PMAQI
12th Aug 20256611 PMAQI
13th Aug 20256212 AMAQI
13th Aug 2025601 AMAQI
13th Aug 2025612 AMAQI
13th Aug 2025643 AMAQI
13th Aug 2025654 AMAQI

27°C22/33°C

13th Aug 2025655 AMAQI
13th Aug 2025646 AMAQI
13th Aug 2025657 AMAQI
13th Aug 2025648 AMAQI
13th Aug 2025649 AMAQI
13th Aug 20256410 AMAQI
13th Aug 20256211 AMAQI
13th Aug 20255912 PMAQI
13th Aug 2025641 PMAQI
13th Aug 2025602 PMAQI
13th Aug 2025603 PMAQI
13th Aug 2025564 PMAQI
13th Aug 2025625 PMAQI
13th Aug 2025646 PMAQI
13th Aug 2025607 PMAQI
13th Aug 2025618 PMAQI
13th Aug 2025639 PMAQI
13th Aug 20256410 PMAQI
13th Aug 20256711 PMAQI
14th Aug 20256212 AMAQI
14th Aug 2025621 AMAQI
14th Aug 2025622 AMAQI
14th Aug 2025623 AMAQI
14th Aug 2025624 AMAQI

25°C20/31°C

14th Aug 2025635 AMAQI
14th Aug 2025626 AMAQI
14th Aug 2025627 AMAQI
14th Aug 2025758 AMAQI
14th Aug 2025799 AMAQI
14th Aug 20257210 AMAQI
14th Aug 20258011 AMAQI
14th Aug 20257712 PMAQI
14th Aug 2025801 PMAQI
14th Aug 2025782 PMAQI
14th Aug 2025783 PMAQI
14th Aug 2025724 PMAQI
14th Aug 2025705 PMAQI
14th Aug 2025696 PMAQI
14th Aug 2025687 PMAQI
14th Aug 2025698 PMAQI
14th Aug 2025639 PMAQI
14th Aug 20256510 PMAQI
14th Aug 20256211 PMAQI
15th Aug 20256212 AMAQI
15th Aug 2025601 AMAQI
15th Aug 2025622 AMAQI
15th Aug 2025643 AMAQI
15th Aug 2025644 AMAQI

27°C22/35°C

15th Aug 2025665 AMAQI
15th Aug 2025666 AMAQI
15th Aug 2025667 AMAQI
15th Aug 2025688 AMAQI
15th Aug 2025749 AMAQI
15th Aug 20258810 AMAQI
15th Aug 20259111 AMAQI
15th Aug 20257912 PMAQI
15th Aug 2025841 PMAQI
15th Aug 2025642 PMAQI
15th Aug 2025703 PMAQI
15th Aug 2025704 PMAQI
15th Aug 2025785 PMAQI
15th Aug 2025766 PMAQI
15th Aug 2025757 PMAQI
15th Aug 2025718 PMAQI
15th Aug 2025649 PMAQI
15th Aug 20256910 PMAQI
15th Aug 20256411 PMAQI
16th Aug 20256412 AMAQI
16th Aug 2025621 AMAQI
16th Aug 2025622 AMAQI
16th Aug 2025643 AMAQI
16th Aug 2025664 AMAQI

27°C22/32°C

16th Aug 2025645 AMAQI
16th Aug 2025646 AMAQI
16th Aug 2025627 AMAQI
16th Aug 2025578 AMAQI
16th Aug 2025599 AMAQI
16th Aug 20255810 AMAQI
16th Aug 20255411 AMAQI
16th Aug 20256012 PMAQI
16th Aug 2025531 PMAQI
16th Aug 2025552 PMAQI
16th Aug 2025573 PMAQI
16th Aug 2025584 PMAQI
16th Aug 2025585 PMAQI
16th Aug 2025546 PMAQI
16th Aug 2025567 PMAQI
16th Aug 2025608 PMAQI
16th Aug 2025619 PMAQI
16th Aug 20256310 PMAQI
16th Aug 20256611 PMAQI
17th Aug 20256512 AMAQI
17th Aug 2025621 AMAQI
17th Aug 2025622 AMAQI
17th Aug 2025623 AMAQI
17th Aug 2025614 AMAQI

24°C22/26°C

17th Aug 2025625 AMAQI
17th Aug 2025626 AMAQI
17th Aug 2025627 AMAQI
17th Aug 2025668 AMAQI
17th Aug 2025689 AMAQI
17th Aug 20257010 AMAQI
17th Aug 20256211 AMAQI
17th Aug 20256312 PMAQI
17th Aug 2025581 PMAQI
17th Aug 2025562 PMAQI
17th Aug 2025583 PMAQI
17th Aug 2025564 PMAQI
17th Aug 2025575 PMAQI
17th Aug 2025586 PMAQI
17th Aug 2025617 PMAQI
17th Aug 2025628 PMAQI
17th Aug 2025649 PMAQI
17th Aug 20256210 PMAQI
17th Aug 20256311 PMAQI
18th Aug 20256112 AMAQI
18th Aug 2025601 AMAQI
18th Aug 2025602 AMAQI
18th Aug 2025623 AMAQI
18th Aug 2025614 AMAQI

26°C21/31°C

18th Aug 2025605 AMAQI
18th Aug 2025626 AMAQI
18th Aug 2025617 AMAQI
18th Aug 2025748 AMAQI
18th Aug 2025809 AMAQI
18th Aug 20257610 AMAQI
18th Aug 20257011 AMAQI
18th Aug 20256912 PMAQI
18th Aug 2025661 PMAQI
18th Aug 2025622 PMAQI
18th Aug 2025623 PMAQI
18th Aug 2025704 PMAQI
18th Aug 2025625 PMAQI
18th Aug 2025656 PMAQI
18th Aug 2025647 PMAQI
18th Aug 2025648 PMAQI
18th Aug 2025699 PMAQI
18th Aug 20257110 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°C21/32°C

19th Aug 2025625 AMAQI
19th Aug 2025626 AMAQI
19th Aug 2025627 AMAQI
19th Aug 2025778 AMAQI
19th Aug 2025669 AMAQI
19th Aug 20255910 AMAQI
19th Aug 20256211 AMAQI
19th Aug 20255812 PMAQI
19th Aug 2025571 PMAQI
19th Aug 2025612 PMAQI
19th Aug 2025623 PMAQI
19th Aug 2025674 PMAQI
19th Aug 2025625 PMAQI
19th Aug 2025596 PMAQI
19th Aug 2025617 PMAQI
19th Aug 2025568 PMAQI
19th Aug 2025619 PMAQI
19th Aug 20256110 PMAQI
19th Aug 20256111 PMAQI
20th Aug 20256012 AMAQI
20th Aug 2025621 AMAQI

--°C/°C

5 AM
12 PM
7 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
8 AM - 7 PM

63AQI

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

63AQI

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. 63), while the lowest AQI was between 5 AM to 7 PM (Avg. 63).
Night time
Avg. Highest Time
12 AM - 11 PM

62AQI

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

62AQI

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. 62), while the lowest AQI was between 12 AM to 11 PM (Avg. 62).

2025 Days Vs Air Quality

The Roof Of The Fourth Floor Of The Taxi Middle School Library, Tangshan, Hebei, China

2025

78%

180

20%

47

1%

3

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

Good
0 Days
Moderate
180 Days
Poor
47 Days
Unhealthy
3 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 0%

Health Risk Level:

Extreme

In 2025, 0% 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

The Roof Of The Fourth Floor Of The Taxi Middle School Library, 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
82AQI
2nd January 2025
62AQI
3rd January 2025
76AQI
4th January 2025
100AQI
5th January 2025
99AQI
6th January 2025
78AQI
7th January 2025
72AQI
8th January 2025
59AQI
9th January 2025
58AQI
10th January 2025
61AQI
11th January 2025
69AQI
12th January 2025
71AQI
13th January 2025
90AQI
14th January 2025
67AQI
15th January 2025
69AQI
16th January 2025
68AQI
17th January 2025
86AQI
18th January 2025
123AQI
19th January 2025
89AQI
20th January 2025
122AQI
21st January 2025
99AQI
22nd January 2025
106AQI
23rd January 2025
100AQI
24th January 2025
126AQI
25th January 2025
131AQI
26th January 2025
119AQI
27th January 2025
85AQI
28th January 2025
92AQI
29th January 2025
116AQI
30th January 2025
96AQI
31st January 2025
102AQI
1st February 2025
96AQI
2nd February 2025
96AQI
3rd February 2025
73AQI
4th February 2025
70AQI
5th February 2025
63AQI
6th February 2025
65AQI
7th February 2025
53AQI
8th February 2025
54AQI
9th February 2025
61AQI
10th February 2025
105AQI
11th February 2025
111AQI
12th February 2025
85AQI
13th February 2025
106AQI
14th February 2025
114AQI
15th February 2025
111AQI
16th February 2025
82AQI
17th February 2025
78AQI
18th February 2025
82AQI
19th February 2025
76AQI
20th February 2025
76AQI
21st February 2025
69AQI
22nd February 2025
69AQI
23rd February 2025
62AQI
24th February 2025
77AQI
25th February 2025
72AQI
26th February 2025
86AQI
27th February 2025
131AQI
28th February 2025
152AQI
1st March 2025
149AQI
2nd March 2025
109AQI
3rd March 2025
97AQI
4th March 2025
109AQI
5th March 2025
118AQI
6th March 2025
89AQI
7th March 2025
104AQI
8th March 2025
130AQI
9th March 2025
139AQI
10th March 2025
152AQI
11th March 2025
159AQI
12th March 2025
112AQI
13th March 2025
129AQI
14th March 2025
110AQI
15th March 2025
108AQI
16th March 2025
85AQI
17th March 2025
79AQI
18th March 2025
72AQI
19th March 2025
80AQI
20th March 2025
65AQI
21st March 2025
67AQI
22nd March 2025
67AQI
23rd March 2025
93AQI
24th March 2025
71AQI
25th March 2025
77AQI
26th March 2025
104AQI
27th March 2025
83AQI
28th March 2025
87AQI
29th March 2025
72AQI
30th March 2025
80AQI
31st March 2025
96AQI
1st April 2025
91AQI
2nd April 2025
78AQI
3rd April 2025
93AQI
4th April 2025
101AQI
5th April 2025
74AQI
6th April 2025
98AQI
7th April 2025
95AQI
8th April 2025
89AQI
9th April 2025
95AQI
10th April 2025
106AQI
11th April 2025
112AQI
12th April 2025
96AQI
13th April 2025
88AQI
14th April 2025
81AQI
15th April 2025
87AQI
16th April 2025
101AQI
17th April 2025
104AQI
18th April 2025
96AQI
19th April 2025
98AQI
20th April 2025
100AQI
21st April 2025
117AQI
22nd April 2025
86AQI
23rd April 2025
103AQI
24th April 2025
75AQI
25th April 2025
87AQI
26th April 2025
102AQI
27th April 2025
82AQI
28th April 2025
89AQI
29th April 2025
95AQI
30th April 2025
100AQI
1st May 2025
85AQI
2nd May 2025
85AQI
3rd May 2025
71AQI
4th May 2025
81AQI
5th May 2025
85AQI
6th May 2025
79AQI
7th May 2025
93AQI
8th May 2025
96AQI
9th May 2025
81AQI
10th May 2025
81AQI
11th May 2025
100AQI
12th May 2025
101AQI
13th May 2025
103AQI
14th May 2025
96AQI
15th May 2025
93AQI
16th May 2025
108AQI
17th May 2025
85AQI
18th May 2025
93AQI
19th May 2025
101AQI
20th May 2025
114AQI
21st May 2025
105AQI
22nd May 2025
117AQI
23rd May 2025
102AQI
24th May 2025
93AQI
25th May 2025
95AQI
26th May 2025
99AQI
27th May 2025
103AQI
28th May 2025
102AQI
29th May 2025
99AQI
30th May 2025
102AQI
31st May 2025
104AQI
1st June 2025
101AQI
2nd June 2025
100AQI
3rd June 2025
79AQI
4th June 2025
74AQI
5th June 2025
79AQI
6th June 2025
81AQI
7th June 2025
77AQI
8th June 2025
79AQI
9th June 2025
85AQI
10th June 2025
77AQI
11th June 2025
85AQI
12th June 2025
87AQI
13th June 2025
88AQI
14th June 2025
84AQI
15th June 2025
76AQI
16th June 2025
69AQI
17th June 2025
75AQI
18th June 2025
73AQI
19th June 2025
68AQI
20th June 2025
65AQI
21st June 2025
62AQI
22nd June 2025
57AQI
23rd June 2025
67AQI
24th June 2025
70AQI
25th June 2025
66AQI
26th June 2025
72AQI
27th June 2025
68AQI
28th June 2025
72AQI
29th June 2025
76AQI
30th June 2025
70AQI
1st July 2025
68AQI
2nd July 2025
71AQI
3rd July 2025
62AQI
4th July 2025
67AQI
5th July 2025
69AQI
6th July 2025
61AQI
7th July 2025
63AQI
8th July 2025
61AQI
9th July 2025
63AQI
10th July 2025
66AQI
11th July 2025
70AQI
12th July 2025
71AQI
13th July 2025
65AQI
14th July 2025
63AQI
15th July 2025
65AQI
16th July 2025
62AQI
17th July 2025
59AQI
18th July 2025
63AQI
19th July 2025
63AQI
20th July 2025
62AQI
21st July 2025
61AQI
22nd July 2025
64AQI
23rd July 2025
60AQI
24th July 2025
60AQI
25th July 2025
63AQI
26th July 2025
63AQI
27th July 2025
60AQI
28th July 2025
61AQI
29th July 2025
55AQI
30th July 2025
55AQI
31st July 2025
59AQI
1st August 2025
62AQI
2nd August 2025
61AQI
3rd August 2025
61AQI
4th August 2025
60AQI
5th August 2025
63AQI
6th August 2025
70AQI
7th August 2025
67AQI
8th August 2025
63AQI
9th August 2025
61AQI
10th August 2025
58AQI
11th August 2025
64AQI
12th August 2025
67AQI
13th August 2025
63AQI
14th August 2025
68AQI
15th August 2025
70AQI
16th August 2025
60AQI
17th August 2025
62AQI
18th August 2025
64AQI

89AQI

85AQI

100AQI

94AQI

95AQI

76AQI

63AQI

64AQI

No. of days

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

202584AQI

23
8
21
6
1
17
12
2
22
8
19
12
29
1
31
18
180
47
3

Highest AQI recorded in

March

100AQI

Lowest AQI recorded in

July

63AQI

202481AQI

1
7
8
1
1
1
11
1
30
31
30
1
8
14
7
6
9
11
5
2
18
7
3
28
3
17
180
39
8

Highest AQI recorded in

March

105AQI

Lowest AQI recorded in

April

55AQI

202379AQI

3
7
16
7
1
10
16
7
1

Highest AQI recorded in

December

82AQI

Lowest AQI recorded in

November

47AQI

202278AQI

7
12
7
5
8
8
3
1
6
11
6
6
10
10
1
8
14
9
5
20
3
2
5
20
3
45
98
38
9

Highest AQI recorded in

January

93AQI

Lowest AQI recorded in

July

60AQI

202170AQI

5
11
7
6
2
3
8
5
9
3
5
4
7
10
2
2
4
13
5
4
4
17
5
4
1
3
15
12
16
13
2
30
30
31
14
10
5
1
15
5
7
4
160
96
55
38
7
3

Highest AQI recorded in

March

147AQI

Lowest AQI recorded in

October

1AQI

202094AQI

2
5
6
1
12
5
3
2
9
6
1
12
17
1
13
17
1
3
17
10
1
9
11
6
3
4
12
7
8
9
7
9
5
9
10
9
3
39
108
92
25
1

Highest AQI recorded in

June

106AQI

Lowest AQI recorded in

September

79AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2020(Avg.)
94AQI
Least Polluted Year Recorded
2021(Avg.)
70AQI

The Roof Of The Fourth Floor Of The Taxi Middle School Library's annual 2025 AQI (84) shows an average percentage change of 5.8% (worsened AQI) compared to previous years: 2020 (94), 2021 (70), 2022 (78), 2023 (79), 2024 (81).