Country Background

Chengde County River Management Station, Chengde, 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

Chengde County River Management Station, Chengde, Hebei, China

2022
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
2nd Aug 2022
91AQI
Lowest AQI recorded on
12th Aug 2024
29AQI


Same Day Analysis (22nd August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 60 of Moderate air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 22nd Aug - 23rd Aug 2025

Chengde County River Management Station, Chengde, Hebei, China

AQI
Day
Night
.

5 AM22nd Aug 2025

7 PM

4 AM23rd Aug 2025

Day time
Avg. Highest Time
12AMNaNth undefined

AQI

Avg. Lowest Time
12AMNaNth undefined

AQI

Night time
Avg. Highest Time
10PM22nd Aug

62AQI

Avg. Lowest Time
11AM22nd Aug

48AQI

In the last 24 hours,

Chengde County River Management Station's AQI reached its highest point of 62 at 10 PM during the Night, while the lowest point, 48, was recorded at 11 AM during the Night between 22nd Aug and 23rd Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Chengde County River Management Station, Chengde, Hebei, China

JulAug
24th - 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 - 23rd23rd
Day
Night
24th Jul 2025625 AMAQI
24th Jul 2025626 AMAQI
24th Jul 2025627 AMAQI
24th Jul 2025558 AMAQI
24th Jul 2025489 AMAQI
24th Jul 20253610 AMAQI
24th Jul 20254311 AMAQI
24th Jul 20254812 PMAQI
24th Jul 2025521 PMAQI
24th Jul 2025482 PMAQI
24th Jul 2025493 PMAQI
24th Jul 2025514 PMAQI
24th Jul 2025575 PMAQI
24th Jul 2025586 PMAQI
24th Jul 2025577 PMAQI
24th Jul 2025618 PMAQI
24th Jul 2025619 PMAQI
24th Jul 20256210 PMAQI
24th Jul 20255511 PMAQI
25th Jul 20255712 AMAQI
25th Jul 2025611 AMAQI
25th Jul 2025622 AMAQI
25th Jul 2025613 AMAQI
25th Jul 2025594 AMAQI

23°C18/29°C

25th Jul 2025595 AMAQI
25th Jul 2025596 AMAQI
25th Jul 2025597 AMAQI
25th Jul 2025488 AMAQI
25th Jul 2025529 AMAQI
25th Jul 20255310 AMAQI
25th Jul 20255011 AMAQI
25th Jul 20255012 PMAQI
25th Jul 2025571 PMAQI
25th Jul 2025632 PMAQI
25th Jul 2025653 PMAQI
25th Jul 2025724 PMAQI
25th Jul 2025765 PMAQI
25th Jul 2025746 PMAQI
25th Jul 2025707 PMAQI
25th Jul 2025708 PMAQI
25th Jul 2025689 PMAQI
25th Jul 20256610 PMAQI
25th Jul 20256211 PMAQI
26th Jul 20256312 AMAQI
26th Jul 2025601 AMAQI
26th Jul 2025602 AMAQI
26th Jul 2025593 AMAQI
26th Jul 2025584 AMAQI

23°C19/28°C

26th Jul 2025585 AMAQI
26th Jul 2025576 AMAQI
26th Jul 2025587 AMAQI
26th Jul 2025768 AMAQI
26th Jul 2025849 AMAQI
26th Jul 20257510 AMAQI
26th Jul 20257011 AMAQI
26th Jul 20256612 PMAQI
26th Jul 2025691 PMAQI
26th Jul 2025772 PMAQI
26th Jul 2025713 PMAQI
26th Jul 2025684 PMAQI
26th Jul 2025655 PMAQI
26th Jul 2025616 PMAQI
26th Jul 2025667 PMAQI
26th Jul 2025638 PMAQI
26th Jul 2025619 PMAQI
26th Jul 20256110 PMAQI
26th Jul 20255811 PMAQI
27th Jul 20255812 AMAQI
27th Jul 2025581 AMAQI
27th Jul 2025592 AMAQI
27th Jul 2025603 AMAQI
27th Jul 2025624 AMAQI

25°C19/34°C

27th Jul 2025625 AMAQI
27th Jul 2025626 AMAQI
27th Jul 2025637 AMAQI
27th Jul 2025618 AMAQI
27th Jul 2025619 AMAQI
27th Jul 20255610 AMAQI
27th Jul 20255511 AMAQI
27th Jul 20255412 PMAQI
27th Jul 2025501 PMAQI
27th Jul 2025552 PMAQI
27th Jul 2025553 PMAQI
27th Jul 2025604 PMAQI
27th Jul 2025605 PMAQI
27th Jul 2025486 PMAQI
27th Jul 2025497 PMAQI
27th Jul 2025548 PMAQI
27th Jul 2025569 PMAQI
27th Jul 20255410 PMAQI
27th Jul 20255511 PMAQI
28th Jul 20255712 AMAQI
28th Jul 2025601 AMAQI
28th Jul 2025602 AMAQI
28th Jul 2025603 AMAQI
28th Jul 2025594 AMAQI

24°C19/30°C

28th Jul 2025595 AMAQI
28th Jul 2025586 AMAQI
28th Jul 2025587 AMAQI
28th Jul 2025368 AMAQI
28th Jul 2025479 AMAQI
28th Jul 20255210 AMAQI
28th Jul 20255011 AMAQI
28th Jul 20253612 PMAQI
28th Jul 2025331 PMAQI
28th Jul 2025332 PMAQI
28th Jul 2025333 PMAQI
28th Jul 2025384 PMAQI
28th Jul 2025385 PMAQI
28th Jul 2025386 PMAQI
28th Jul 2025457 PMAQI
28th Jul 2025558 PMAQI
28th Jul 2025559 PMAQI
28th Jul 20255810 PMAQI
28th Jul 20256011 PMAQI
29th Jul 20255812 AMAQI
29th Jul 2025581 AMAQI
29th Jul 2025582 AMAQI
29th Jul 2025573 AMAQI
29th Jul 2025554 AMAQI

25°C21/30°C

29th Jul 2025555 AMAQI
29th Jul 2025556 AMAQI
29th Jul 2025557 AMAQI
29th Jul 2025388 AMAQI
29th Jul 2025379 AMAQI
29th Jul 20254810 AMAQI
29th Jul 20254411 AMAQI
29th Jul 20254712 PMAQI
29th Jul 2025451 PMAQI
29th Jul 2025502 PMAQI
29th Jul 2025383 PMAQI
29th Jul 2025374 PMAQI
29th Jul 2025385 PMAQI
29th Jul 2025436 PMAQI
29th Jul 2025507 PMAQI
29th Jul 2025588 PMAQI
29th Jul 2025609 PMAQI
29th Jul 20255910 PMAQI
29th Jul 20255811 PMAQI
30th Jul 20255512 AMAQI
30th Jul 2025581 AMAQI
30th Jul 2025572 AMAQI
30th Jul 2025563 AMAQI
30th Jul 2025544 AMAQI

22°C20/27°C

30th Jul 2025545 AMAQI
30th Jul 2025546 AMAQI
30th Jul 2025557 AMAQI
30th Jul 2025528 AMAQI
30th Jul 2025339 AMAQI
30th Jul 20254210 AMAQI
30th Jul 20254611 AMAQI
30th Jul 20254012 PMAQI
30th Jul 2025481 PMAQI
30th Jul 2025332 PMAQI
30th Jul 2025393 PMAQI
30th Jul 2025324 PMAQI
30th Jul 2025395 PMAQI
30th Jul 2025446 PMAQI
30th Jul 2025467 PMAQI
30th Jul 2025548 PMAQI
30th Jul 2025579 PMAQI
30th Jul 20255710 PMAQI
30th Jul 20255511 PMAQI
31st Jul 20255512 AMAQI
31st Jul 2025561 AMAQI
31st Jul 2025562 AMAQI
31st Jul 2025573 AMAQI
31st Jul 2025574 AMAQI

23°C17/29°C

31st Jul 2025575 AMAQI
31st Jul 2025576 AMAQI
31st Jul 2025577 AMAQI
31st Jul 2025578 AMAQI
31st Jul 2025579 AMAQI
31st Jul 20255010 AMAQI
31st Jul 20255011 AMAQI
31st Jul 20255012 PMAQI
31st Jul 2025511 PMAQI
31st Jul 2025512 PMAQI
31st Jul 2025533 PMAQI
31st Jul 2025564 PMAQI
31st Jul 2025445 PMAQI
31st Jul 2025416 PMAQI
31st Jul 2025577 PMAQI
31st Jul 2025638 PMAQI
31st Jul 2025609 PMAQI
31st Jul 20256010 PMAQI
31st Jul 20256211 PMAQI
1st Aug 20256112 AMAQI
1st Aug 2025571 AMAQI
1st Aug 2025572 AMAQI
1st Aug 2025583 AMAQI
1st Aug 2025584 AMAQI

22°C16/29°C

1st Aug 2025595 AMAQI
1st Aug 2025586 AMAQI
1st Aug 2025597 AMAQI
1st Aug 2025778 AMAQI
1st Aug 2025709 AMAQI
1st Aug 20257210 AMAQI
1st Aug 20257011 AMAQI
1st Aug 20256812 PMAQI
1st Aug 2025661 PMAQI
1st Aug 2025632 PMAQI
1st Aug 2025653 PMAQI
1st Aug 2025644 PMAQI
1st Aug 2025625 PMAQI
1st Aug 2025526 PMAQI
1st Aug 2025647 PMAQI
1st Aug 2025628 PMAQI
1st Aug 2025669 PMAQI
1st Aug 20256610 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

25°C17/34°C

2nd Aug 2025605 AMAQI
2nd Aug 2025606 AMAQI
2nd Aug 2025607 AMAQI
2nd Aug 2025818 AMAQI
2nd Aug 2025789 AMAQI
2nd Aug 20257010 AMAQI
2nd Aug 20257111 AMAQI
2nd Aug 20257212 PMAQI
2nd Aug 2025691 PMAQI
2nd Aug 2025662 PMAQI
2nd Aug 2025663 PMAQI
2nd Aug 2025664 PMAQI
2nd Aug 2025685 PMAQI
2nd Aug 2025666 PMAQI
2nd Aug 2025647 PMAQI
2nd Aug 2025638 PMAQI
2nd Aug 2025619 PMAQI
2nd Aug 20256210 PMAQI
2nd Aug 20256111 PMAQI
3rd Aug 20256212 AMAQI
3rd Aug 2025581 AMAQI
3rd Aug 2025592 AMAQI
3rd Aug 2025613 AMAQI
3rd Aug 2025624 AMAQI

26°C19/33°C

3rd Aug 2025615 AMAQI
3rd Aug 2025616 AMAQI
3rd Aug 2025617 AMAQI
3rd Aug 2025618 AMAQI
3rd Aug 2025599 AMAQI
3rd Aug 20256010 AMAQI
3rd Aug 20255611 AMAQI
3rd Aug 20256412 PMAQI
3rd Aug 2025561 PMAQI
3rd Aug 2025582 PMAQI
3rd Aug 2025573 PMAQI
3rd Aug 2025574 PMAQI
3rd Aug 2025645 PMAQI
3rd Aug 2025596 PMAQI
3rd Aug 2025627 PMAQI
3rd Aug 2025638 PMAQI
3rd Aug 2025629 PMAQI
3rd Aug 20256210 PMAQI
3rd Aug 20256211 PMAQI
4th Aug 20256012 AMAQI
4th Aug 2025591 AMAQI
4th Aug 2025602 AMAQI
4th Aug 2025603 AMAQI
4th Aug 2025594 AMAQI

26°C20/32°C

4th Aug 2025595 AMAQI
4th Aug 2025586 AMAQI
4th Aug 2025607 AMAQI
4th Aug 2025688 AMAQI
4th Aug 2025709 AMAQI
4th Aug 20256610 AMAQI
4th Aug 20256211 AMAQI
4th Aug 20256612 PMAQI
4th Aug 2025611 PMAQI
4th Aug 2025602 PMAQI
4th Aug 2025573 PMAQI
4th Aug 2025514 PMAQI
4th Aug 2025555 PMAQI
4th Aug 2025606 PMAQI
4th Aug 2025607 PMAQI
4th Aug 2025608 PMAQI
4th Aug 2025609 PMAQI
4th Aug 20256010 PMAQI
4th Aug 20256011 PMAQI
5th Aug 20255812 AMAQI
5th Aug 2025581 AMAQI
5th Aug 2025582 AMAQI
5th Aug 2025593 AMAQI
5th Aug 2025604 AMAQI

25°C20/31°C

5th Aug 2025595 AMAQI
5th Aug 2025606 AMAQI
5th Aug 2025607 AMAQI
5th Aug 2025598 AMAQI
5th Aug 2025579 AMAQI
5th Aug 20255310 AMAQI
5th Aug 20255411 AMAQI
5th Aug 20255712 PMAQI
5th Aug 2025541 PMAQI
5th Aug 2025522 PMAQI
5th Aug 2025543 PMAQI
5th Aug 2025604 PMAQI
5th Aug 2025535 PMAQI
5th Aug 2025536 PMAQI
5th Aug 2025547 PMAQI
5th Aug 2025608 PMAQI
5th Aug 2025629 PMAQI
5th Aug 20256410 PMAQI
5th Aug 20256411 PMAQI
6th Aug 20256012 AMAQI
6th Aug 2025581 AMAQI
6th Aug 2025602 AMAQI
6th Aug 2025583 AMAQI
6th Aug 2025584 AMAQI

25°C20/33°C

6th Aug 2025595 AMAQI
6th Aug 2025596 AMAQI
6th Aug 2025597 AMAQI
6th Aug 2025698 AMAQI
6th Aug 2025649 AMAQI
6th Aug 20256710 AMAQI
6th Aug 20257011 AMAQI
6th Aug 20256512 PMAQI
6th Aug 2025701 PMAQI
6th Aug 2025752 PMAQI
6th Aug 2025603 PMAQI
6th Aug 2025534 PMAQI
6th Aug 2025575 PMAQI
6th Aug 2025556 PMAQI
6th Aug 2025567 PMAQI
6th Aug 2025598 PMAQI
6th Aug 2025629 PMAQI
6th Aug 20256210 PMAQI
6th Aug 20256211 PMAQI
7th Aug 20256512 AMAQI
7th Aug 2025601 AMAQI
7th Aug 2025602 AMAQI
7th Aug 2025613 AMAQI
7th Aug 2025624 AMAQI

26°C20/33°C

7th Aug 2025625 AMAQI
7th Aug 2025626 AMAQI
7th Aug 2025637 AMAQI
7th Aug 2025568 AMAQI
7th Aug 2025619 AMAQI
7th Aug 20256110 AMAQI
7th Aug 20256211 AMAQI
7th Aug 20256812 PMAQI
7th Aug 2025541 PMAQI
7th Aug 2025502 PMAQI
7th Aug 2025493 PMAQI
7th Aug 2025494 PMAQI
7th Aug 2025565 PMAQI
7th Aug 2025556 PMAQI
7th Aug 2025437 PMAQI
7th Aug 2025578 PMAQI
7th Aug 2025659 PMAQI
7th Aug 20256210 PMAQI
7th Aug 20255711 PMAQI
8th Aug 20255912 AMAQI
8th Aug 2025621 AMAQI
8th Aug 2025622 AMAQI
8th Aug 2025623 AMAQI
8th Aug 2025624 AMAQI

24°C19/31°C

8th Aug 2025625 AMAQI
8th Aug 2025616 AMAQI
8th Aug 2025627 AMAQI
8th Aug 2025568 AMAQI
8th Aug 2025549 AMAQI
8th Aug 20255110 AMAQI
8th Aug 20254811 AMAQI
8th Aug 20255012 PMAQI
8th Aug 2025501 PMAQI
8th Aug 2025552 PMAQI
8th Aug 2025513 PMAQI
8th Aug 2025564 PMAQI
8th Aug 2025585 PMAQI
8th Aug 2025566 PMAQI
8th Aug 2025607 PMAQI
8th Aug 2025568 PMAQI
8th Aug 2025579 PMAQI
8th Aug 20255910 PMAQI
8th Aug 20255911 PMAQI
9th Aug 20255712 AMAQI
9th Aug 2025601 AMAQI
9th Aug 2025612 AMAQI
9th Aug 2025603 AMAQI
9th Aug 2025614 AMAQI

21°C19/26°C

9th Aug 2025615 AMAQI
9th Aug 2025626 AMAQI
9th Aug 2025627 AMAQI
9th Aug 2025478 AMAQI
9th Aug 2025449 AMAQI
9th Aug 20253610 AMAQI
9th Aug 20253611 AMAQI
9th Aug 20253312 PMAQI
9th Aug 2025491 PMAQI
9th Aug 2025382 PMAQI
9th Aug 2025403 PMAQI
9th Aug 2025374 PMAQI
9th Aug 2025465 PMAQI
9th Aug 2025506 PMAQI
9th Aug 2025487 PMAQI
9th Aug 2025568 PMAQI
9th Aug 2025589 PMAQI
9th Aug 20255910 PMAQI
9th Aug 20255711 PMAQI
10th Aug 20255912 AMAQI
10th Aug 2025571 AMAQI
10th Aug 2025602 AMAQI
10th Aug 2025603 AMAQI
10th Aug 2025564 AMAQI

23°C16/31°C

10th Aug 2025565 AMAQI
10th Aug 2025566 AMAQI
10th Aug 2025567 AMAQI
10th Aug 2025488 AMAQI
10th Aug 2025489 AMAQI
10th Aug 20253810 AMAQI
10th Aug 20254911 AMAQI
10th Aug 20255012 PMAQI
10th Aug 2025481 PMAQI
10th Aug 2025562 PMAQI
10th Aug 2025483 PMAQI
10th Aug 2025504 PMAQI
10th Aug 2025575 PMAQI
10th Aug 2025516 PMAQI
10th Aug 2025517 PMAQI
10th Aug 2025578 PMAQI
10th Aug 2025599 PMAQI
10th Aug 20256310 PMAQI
10th Aug 20256311 PMAQI
11th Aug 20256212 AMAQI
11th Aug 2025571 AMAQI
11th Aug 2025582 AMAQI
11th Aug 2025563 AMAQI
11th Aug 2025554 AMAQI

24°C16/33°C

11th Aug 2025545 AMAQI
11th Aug 2025546 AMAQI
11th Aug 2025547 AMAQI
11th Aug 2025618 AMAQI
11th Aug 2025579 AMAQI
11th Aug 20255710 AMAQI
11th Aug 20255511 AMAQI
11th Aug 20256412 PMAQI
11th Aug 2025581 PMAQI
11th Aug 2025602 PMAQI
11th Aug 2025603 PMAQI
11th Aug 2025624 PMAQI
11th Aug 2025595 PMAQI
11th Aug 2025606 PMAQI
11th Aug 2025657 PMAQI
11th Aug 2025628 PMAQI
11th Aug 2025649 PMAQI
11th Aug 20256610 PMAQI
11th Aug 20256611 PMAQI
12th Aug 20256212 AMAQI
12th Aug 2025601 AMAQI
12th Aug 2025582 AMAQI
12th Aug 2025603 AMAQI
12th Aug 2025624 AMAQI

24°C17/30°C

12th Aug 2025625 AMAQI
12th Aug 2025616 AMAQI
12th Aug 2025607 AMAQI
12th Aug 2025878 AMAQI
12th Aug 2025719 AMAQI
12th Aug 20256810 AMAQI
12th Aug 20256711 AMAQI
12th Aug 20256912 PMAQI
12th Aug 2025691 PMAQI
12th Aug 2025642 PMAQI
12th Aug 2025713 PMAQI
12th Aug 2025604 PMAQI
12th Aug 2025625 PMAQI
12th Aug 2025636 PMAQI
12th Aug 2025597 PMAQI
12th Aug 2025618 PMAQI
12th Aug 2025629 PMAQI
12th Aug 20256110 PMAQI
12th Aug 20256211 PMAQI
13th Aug 20256012 AMAQI
13th Aug 2025601 AMAQI
13th Aug 2025622 AMAQI
13th Aug 2025633 AMAQI
13th Aug 2025644 AMAQI

23°C18/30°C

13th Aug 2025635 AMAQI
13th Aug 2025646 AMAQI
13th Aug 2025637 AMAQI
13th Aug 2025608 AMAQI
13th Aug 2025599 AMAQI
13th Aug 20255710 AMAQI
13th Aug 20255711 AMAQI
13th Aug 20255812 PMAQI
13th Aug 2025601 PMAQI
13th Aug 2025562 PMAQI
13th Aug 2025583 PMAQI
13th Aug 2025574 PMAQI
13th Aug 2025565 PMAQI
13th Aug 2025596 PMAQI
13th Aug 2025597 PMAQI
13th Aug 2025628 PMAQI
13th Aug 2025629 PMAQI
13th Aug 20256410 PMAQI
13th Aug 20256211 PMAQI
14th Aug 20256012 AMAQI
14th Aug 2025621 AMAQI
14th Aug 2025622 AMAQI
14th Aug 2025623 AMAQI
14th Aug 2025614 AMAQI

22°C17/31°C

14th Aug 2025615 AMAQI
14th Aug 2025626 AMAQI
14th Aug 2025607 AMAQI
14th Aug 2025638 AMAQI
14th Aug 2025679 AMAQI
14th Aug 20256310 AMAQI
14th Aug 20256311 AMAQI
14th Aug 20256812 PMAQI
14th Aug 2025711 PMAQI
14th Aug 2025662 PMAQI
14th Aug 2025673 PMAQI
14th Aug 2025664 PMAQI
14th Aug 2025675 PMAQI
14th Aug 2025656 PMAQI
14th Aug 2025667 PMAQI
14th Aug 2025718 PMAQI
14th Aug 2025679 PMAQI
14th Aug 20256810 PMAQI
14th Aug 20256211 PMAQI
15th Aug 20256012 AMAQI
15th Aug 2025601 AMAQI
15th Aug 2025612 AMAQI
15th Aug 2025613 AMAQI
15th Aug 2025624 AMAQI

23°C17/31°C

15th Aug 2025635 AMAQI
15th Aug 2025646 AMAQI
15th Aug 2025627 AMAQI
15th Aug 2025688 AMAQI
15th Aug 2025679 AMAQI
15th Aug 20257210 AMAQI
15th Aug 20257511 AMAQI
15th Aug 20257512 PMAQI
15th Aug 2025791 PMAQI
15th Aug 2025732 PMAQI
15th Aug 2025733 PMAQI
15th Aug 2025704 PMAQI
15th Aug 2025645 PMAQI
15th Aug 2025696 PMAQI
15th Aug 2025667 PMAQI
15th Aug 2025658 PMAQI
15th Aug 2025619 PMAQI
15th Aug 20256210 PMAQI
15th Aug 20255811 PMAQI
16th Aug 20255912 AMAQI
16th Aug 2025621 AMAQI
16th Aug 2025622 AMAQI
16th Aug 2025633 AMAQI
16th Aug 2025634 AMAQI

23°C19/31°C

16th Aug 2025635 AMAQI
16th Aug 2025646 AMAQI
16th Aug 2025647 AMAQI
16th Aug 2025518 AMAQI
16th Aug 2025569 AMAQI
16th Aug 20255610 AMAQI
16th Aug 20255211 AMAQI
16th Aug 20254912 PMAQI
16th Aug 2025501 PMAQI
16th Aug 2025432 PMAQI
16th Aug 2025433 PMAQI
16th Aug 2025464 PMAQI
16th Aug 2025535 PMAQI
16th Aug 2025536 PMAQI
16th Aug 2025567 PMAQI
16th Aug 2025588 PMAQI
16th Aug 2025599 PMAQI
16th Aug 20256010 PMAQI
16th Aug 20256211 PMAQI
17th Aug 20256212 AMAQI
17th Aug 2025621 AMAQI
17th Aug 2025622 AMAQI
17th Aug 2025623 AMAQI
17th Aug 2025624 AMAQI

23°C19/29°C

17th Aug 2025615 AMAQI
17th Aug 2025616 AMAQI
17th Aug 2025617 AMAQI
17th Aug 2025578 AMAQI
17th Aug 2025629 AMAQI
17th Aug 20256010 AMAQI
17th Aug 20256411 AMAQI
17th Aug 20256212 PMAQI
17th Aug 2025501 PMAQI
17th Aug 2025562 PMAQI
17th Aug 2025533 PMAQI
17th Aug 2025544 PMAQI
17th Aug 2025545 PMAQI
17th Aug 2025566 PMAQI
17th Aug 2025627 PMAQI
17th Aug 2025628 PMAQI
17th Aug 2025629 PMAQI
17th Aug 20256310 PMAQI
17th Aug 20256311 PMAQI
18th Aug 20256312 AMAQI
18th Aug 2025611 AMAQI
18th Aug 2025602 AMAQI
18th Aug 2025613 AMAQI
18th Aug 2025604 AMAQI

24°C19/32°C

18th Aug 2025605 AMAQI
18th Aug 2025606 AMAQI
18th Aug 2025607 AMAQI
18th Aug 2025788 AMAQI
18th Aug 2025729 AMAQI
18th Aug 20257110 AMAQI
18th Aug 20256711 AMAQI
18th Aug 20257112 PMAQI
18th Aug 2025641 PMAQI
18th Aug 2025652 PMAQI
18th Aug 2025623 PMAQI
18th Aug 2025604 PMAQI
18th Aug 2025595 PMAQI
18th Aug 2025636 PMAQI
18th Aug 2025637 PMAQI
18th Aug 2025648 PMAQI
18th Aug 2025679 PMAQI
18th Aug 20257010 PMAQI
18th Aug 20256911 PMAQI
19th Aug 20256412 AMAQI
19th Aug 2025601 AMAQI
19th Aug 2025602 AMAQI
19th Aug 2025613 AMAQI
19th Aug 2025624 AMAQI

24°C18/31°C

19th Aug 2025625 AMAQI
19th Aug 2025626 AMAQI
19th Aug 2025627 AMAQI
19th Aug 2025788 AMAQI
19th Aug 2025649 AMAQI
19th Aug 20257010 AMAQI
19th Aug 20256711 AMAQI
19th Aug 20256212 PMAQI
19th Aug 2025581 PMAQI
19th Aug 2025582 PMAQI
19th Aug 2025643 PMAQI
19th Aug 2025644 PMAQI
19th Aug 2025595 PMAQI
19th Aug 2025596 PMAQI
19th Aug 2025617 PMAQI
19th Aug 2025608 PMAQI
19th Aug 2025639 PMAQI
19th Aug 20256110 PMAQI
19th Aug 20256011 PMAQI
20th Aug 20256112 AMAQI
20th Aug 2025611 AMAQI
20th Aug 2025602 AMAQI
20th Aug 2025613 AMAQI
20th Aug 2025614 AMAQI

23°C19/28°C

20th Aug 2025615 AMAQI
20th Aug 2025626 AMAQI
20th Aug 2025627 AMAQI
20th Aug 2025738 AMAQI
20th Aug 2025739 AMAQI
20th Aug 20257010 AMAQI
20th Aug 20256011 AMAQI
20th Aug 20255412 PMAQI
20th Aug 2025571 PMAQI
20th Aug 2025532 PMAQI
20th Aug 2025563 PMAQI
20th Aug 2025544 PMAQI
20th Aug 2025575 PMAQI
20th Aug 2025546 PMAQI
20th Aug 2025587 PMAQI
20th Aug 2025588 PMAQI
20th Aug 2025589 PMAQI
20th Aug 20255910 PMAQI
20th Aug 20256011 PMAQI
21st Aug 20256012 AMAQI
21st Aug 2025591 AMAQI
21st Aug 2025602 AMAQI
21st Aug 2025593 AMAQI
21st Aug 2025604 AMAQI

23°C20/28°C

21st Aug 2025585 AMAQI
21st Aug 2025606 AMAQI
21st Aug 2025597 AMAQI
21st Aug 2025698 AMAQI
21st Aug 2025629 AMAQI
21st Aug 20256510 AMAQI
21st Aug 20255811 AMAQI
21st Aug 20255512 PMAQI
21st Aug 2025581 PMAQI
21st Aug 2025552 PMAQI
21st Aug 2025563 PMAQI
21st Aug 2025564 PMAQI
21st Aug 2025605 PMAQI
21st Aug 2025586 PMAQI
21st Aug 2025647 PMAQI
21st Aug 2025598 PMAQI
21st Aug 2025649 PMAQI
21st Aug 20255810 PMAQI
21st Aug 20255911 PMAQI
22nd Aug 20255912 AMAQI
22nd Aug 2025591 AMAQI
22nd Aug 2025592 AMAQI
22nd Aug 2025593 AMAQI
22nd Aug 2025594 AMAQI

24°C20/30°C

22nd Aug 2025595 AMAQI
22nd Aug 2025606 AMAQI
22nd Aug 2025597 AMAQI
22nd Aug 2025568 AMAQI
22nd Aug 2025549 AMAQI
22nd Aug 20256010 AMAQI
22nd Aug 20254811 AMAQI
22nd Aug 20255212 PMAQI
22nd Aug 2025561 PMAQI
22nd Aug 2025542 PMAQI
22nd Aug 2025503 PMAQI
22nd Aug 2025584 PMAQI
22nd Aug 2025605 PMAQI
22nd Aug 2025566 PMAQI
22nd Aug 2025587 PMAQI
22nd Aug 2025608 PMAQI
22nd Aug 2025619 PMAQI
22nd Aug 20256210 PMAQI
22nd Aug 20256111 PMAQI
23rd Aug 20255812 AMAQI
23rd Aug 2025591 AMAQI
23rd Aug 2025592 AMAQI
23rd Aug 2025583 AMAQI
23rd Aug 2025584 AMAQI

--°C/°C

5 AM
12 PM
7 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
8 AM

62AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
11 AM - 4 PM

56AQI

6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 8 AM (Avg. 62), while the lowest AQI was between 11 AM to 4 PM (Avg. 56).
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

Chengde County River Management Station, Chengde, Hebei, China

2025

2%

4

88%

205

9%

22

1%

3

Total number of days with different AQI categories in last 234 days in 2025 (131 days remaining)

Good
4 Days
Moderate
205 Days
Poor
22 Days
Unhealthy
3 Days
Severe
0 Days
Hazardous
0 Days



Under WHO’s Safe Air Quality Limits: 2%

Health Risk Level:

Extreme

In 2025, 2% of 234 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

Chengde County River Management Station, Chengde, 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.

-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
90AQI
2nd January 2025
70AQI
3rd January 2025
83AQI
4th January 2025
102AQI
5th January 2025
97AQI
6th January 2025
74AQI
7th January 2025
68AQI
8th January 2025
55AQI
9th January 2025
56AQI
10th January 2025
63AQI
11th January 2025
84AQI
12th January 2025
84AQI
13th January 2025
82AQI
14th January 2025
66AQI
15th January 2025
64AQI
16th January 2025
79AQI
17th January 2025
95AQI
18th January 2025
120AQI
19th January 2025
89AQI
20th January 2025
120AQI
21st January 2025
90AQI
22nd January 2025
100AQI
23rd January 2025
123AQI
24th January 2025
137AQI
25th January 2025
152AQI
26th January 2025
115AQI
27th January 2025
81AQI
28th January 2025
84AQI
29th January 2025
119AQI
30th January 2025
91AQI
31st January 2025
131AQI
1st February 2025
125AQI
2nd February 2025
110AQI
3rd February 2025
74AQI
4th February 2025
66AQI
5th February 2025
56AQI
6th February 2025
64AQI
7th February 2025
47AQI
8th February 2025
47AQI
9th February 2025
56AQI
10th February 2025
86AQI
11th February 2025
118AQI
12th February 2025
83AQI
13th February 2025
100AQI
14th February 2025
93AQI
15th February 2025
98AQI
16th February 2025
64AQI
17th February 2025
65AQI
18th February 2025
61AQI
19th February 2025
59AQI
20th February 2025
59AQI
21st February 2025
52AQI
22nd February 2025
56AQI
23rd February 2025
51AQI
24th February 2025
67AQI
25th February 2025
64AQI
26th February 2025
75AQI
27th February 2025
122AQI
28th February 2025
128AQI
1st March 2025
143AQI
2nd March 2025
92AQI
3rd March 2025
98AQI
4th March 2025
93AQI
5th March 2025
94AQI
6th March 2025
73AQI
7th March 2025
87AQI
8th March 2025
124AQI
9th March 2025
138AQI
10th March 2025
153AQI
11th March 2025
165AQI
12th March 2025
91AQI
13th March 2025
106AQI
14th March 2025
97AQI
15th March 2025
88AQI
16th March 2025
76AQI
17th March 2025
68AQI
18th March 2025
55AQI
19th March 2025
63AQI
20th March 2025
61AQI
21st March 2025
56AQI
22nd March 2025
59AQI
23rd March 2025
104AQI
24th March 2025
56AQI
25th March 2025
71AQI
26th March 2025
92AQI
27th March 2025
66AQI
28th March 2025
69AQI
29th March 2025
58AQI
30th March 2025
60AQI
31st March 2025
71AQI
1st April 2025
78AQI
2nd April 2025
57AQI
3rd April 2025
70AQI
4th April 2025
78AQI
5th April 2025
52AQI
6th April 2025
71AQI
7th April 2025
81AQI
8th April 2025
65AQI
9th April 2025
74AQI
10th April 2025
80AQI
11th April 2025
104AQI
12th April 2025
71AQI
13th April 2025
73AQI
14th April 2025
66AQI
15th April 2025
76AQI
16th April 2025
94AQI
17th April 2025
93AQI
18th April 2025
64AQI
19th April 2025
70AQI
20th April 2025
77AQI
21st April 2025
90AQI
22nd April 2025
64AQI
23rd April 2025
74AQI
24th April 2025
56AQI
25th April 2025
67AQI
26th April 2025
89AQI
27th April 2025
52AQI
28th April 2025
72AQI
29th April 2025
70AQI
30th April 2025
66AQI
1st May 2025
62AQI
2nd May 2025
63AQI
3rd May 2025
56AQI
4th May 2025
58AQI
5th May 2025
74AQI
6th May 2025
64AQI
7th May 2025
85AQI
8th May 2025
95AQI
9th May 2025
68AQI
10th May 2025
74AQI
11th May 2025
81AQI
12th May 2025
86AQI
13th May 2025
96AQI
14th May 2025
76AQI
15th May 2025
77AQI
16th May 2025
101AQI
17th May 2025
71AQI
18th May 2025
71AQI
19th May 2025
73AQI
20th May 2025
102AQI
21st May 2025
87AQI
22nd May 2025
106AQI
23rd May 2025
79AQI
24th May 2025
78AQI
25th May 2025
79AQI
26th May 2025
82AQI
27th May 2025
80AQI
28th May 2025
79AQI
29th May 2025
91AQI
30th May 2025
97AQI
31st May 2025
98AQI
1st June 2025
92AQI
2nd June 2025
80AQI
3rd June 2025
60AQI
4th June 2025
59AQI
5th June 2025
63AQI
6th June 2025
58AQI
7th June 2025
57AQI
8th June 2025
62AQI
9th June 2025
70AQI
10th June 2025
59AQI
11th June 2025
67AQI
12th June 2025
76AQI
13th June 2025
77AQI
14th June 2025
82AQI
15th June 2025
65AQI
16th June 2025
56AQI
17th June 2025
63AQI
18th June 2025
68AQI
19th June 2025
67AQI
20th June 2025
60AQI
21st June 2025
53AQI
22nd June 2025
46AQI
23rd June 2025
56AQI
24th June 2025
67AQI
25th June 2025
72AQI
26th June 2025
70AQI
27th June 2025
76AQI
28th June 2025
68AQI
29th June 2025
74AQI
30th June 2025
69AQI
1st July 2025
68AQI
2nd July 2025
67AQI
3rd July 2025
64AQI
4th July 2025
65AQI
5th July 2025
66AQI
6th July 2025
56AQI
7th July 2025
60AQI
8th July 2025
62AQI
9th July 2025
67AQI
10th July 2025
74AQI
11th July 2025
74AQI
12th July 2025
75AQI
13th July 2025
62AQI
14th July 2025
59AQI
15th July 2025
62AQI
16th July 2025
57AQI
17th July 2025
54AQI
18th July 2025
56AQI
19th July 2025
64AQI
20th July 2025
56AQI
21st July 2025
53AQI
22nd July 2025
61AQI
23rd July 2025
63AQI
24th July 2025
57AQI
25th July 2025
61AQI
26th July 2025
63AQI
27th July 2025
57AQI
28th July 2025
51AQI
29th July 2025
52AQI
30th July 2025
50AQI
31st July 2025
55AQI
1st August 2025
63AQI
2nd August 2025
64AQI
3rd August 2025
61AQI
4th August 2025
60AQI
5th August 2025
59AQI
6th August 2025
61AQI
7th August 2025
60AQI
8th August 2025
57AQI
9th August 2025
53AQI
10th August 2025
55AQI
11th August 2025
60AQI
12th August 2025
64AQI
13th August 2025
61AQI
14th August 2025
64AQI
15th August 2025
65AQI
16th August 2025
57AQI
17th August 2025
61AQI
18th August 2025
64AQI
19th August 2025
62AQI
20th August 2025
60AQI
21st August 2025
60AQI
22nd August 2025
60AQI
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

92AQI

77AQI

88AQI

73AQI

80AQI

66AQI

61AQI

61AQI


No. of days

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

202575AQI

22
8
1
2
21
5
24
5
2
29
1
28
3
1
29
1
30
22
4
205
22
3

Highest AQI recorded in

January

92AQI


Lowest AQI recorded in

August

61AQI


202469AQI

12
6
1
4
1
4
1
5
3
12
30
5
26
19
12
18
11
9
16
5
1
2
18
7
3
29
2
57
179
21
5

Highest AQI recorded in

January

92AQI


Lowest AQI recorded in

September

50AQI


202381AQI

7
14
5
2
8
11
7
2
5
6
1
1
1
2
19
12
21
52
25
5

Highest AQI recorded in

December

89AQI


Lowest AQI recorded in

November

54AQI


202262AQI

1
4
1
1
17
14
15
13
2
9
12
1
1
13
11
4
15
8
8
11
8
11
14
13
4
100
81
29
1

Highest AQI recorded in

November

76AQI


Lowest AQI recorded in

March

50AQI


202191AQI

7
11
8
5
8
9
9
2
5
11
7
6
2
9
13
2
29
44
26
13
2

Highest AQI recorded in

March

117AQI


Lowest AQI recorded in

April

62AQI


202070AQI

3
7
2
1
2
17
2
10
5
3
6
19
5
3
20
8
11
16
3
1
19
10
12
12
6
1
14
9
7
11
8
11
1
91
123
47
4

Highest AQI recorded in

July

84AQI


Lowest AQI recorded in

September

49AQI


Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2021(Avg.)
91AQI
Least Polluted Year Recorded
2022(Avg.)
62AQI


Chengde County River Management Station's annual 2025 AQI (75) shows an average percentage change of 2.5% (worsened AQI) compared to previous years: 2020 (70), 2021 (91), 2022 (62), 2023 (81), 2024 (69).