Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Bda, 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

Bda, Chengde, Hebei, China

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
2nd Aug 2022
102AQI
Lowest AQI recorded on
20th Aug 2024
23AQI

Same Day Analysis (1st August ):
On this day, AQI across the 5 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: 1st Aug - 2nd Aug 2025

Bda, Chengde, Hebei, China

AQI
Day
Night
.

4 AM1st Aug 2025

7 PM

3 AM2nd Aug 2025

Day time
Avg. Highest Time
8AM1st Aug

75AQI

Avg. Lowest Time
6PM1st Aug

54AQI

Night time
Avg. Highest Time
10PM1st Aug

67AQI

Avg. Lowest Time
2AM2nd Aug

58AQI

In the last 24 hours,

Bda's AQI reached its highest point of 75 at 8 AM during the Day, while the lowest point, 54, was recorded at 6 PM during the Day between 1st Aug and 2nd Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Bda, Chengde, Hebei, China

JulAug
03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd
Day
Night
3rd Jul 2025694 AMAQI
3rd Jul 2025695 AMAQI
3rd Jul 2025696 AMAQI
3rd Jul 2025697 AMAQI
3rd Jul 2025708 AMAQI
3rd Jul 2025749 AMAQI
3rd Jul 20257210 AMAQI
3rd Jul 20257211 AMAQI
3rd Jul 20257212 PMAQI
3rd Jul 2025721 PMAQI
3rd Jul 2025722 PMAQI
3rd Jul 2025723 PMAQI
3rd Jul 2025724 PMAQI
3rd Jul 2025545 PMAQI
3rd Jul 2025556 PMAQI
3rd Jul 2025587 PMAQI
3rd Jul 2025678 PMAQI
3rd Jul 2025649 PMAQI
3rd Jul 20256610 PMAQI
3rd Jul 20256611 PMAQI
4th Jul 20256612 AMAQI
4th Jul 2025661 AMAQI
4th Jul 2025662 AMAQI
4th Jul 2025683 AMAQI

23°C22/26°C

4th Jul 2025684 AMAQI
4th Jul 2025695 AMAQI
4th Jul 2025686 AMAQI
4th Jul 2025677 AMAQI
4th Jul 2025488 AMAQI
4th Jul 2025529 AMAQI
4th Jul 20255010 AMAQI
4th Jul 20254811 AMAQI
4th Jul 20255412 PMAQI
4th Jul 2025541 PMAQI
4th Jul 2025592 PMAQI
4th Jul 2025593 PMAQI
4th Jul 2025604 PMAQI
4th Jul 2025585 PMAQI
4th Jul 2025566 PMAQI
4th Jul 2025577 PMAQI
4th Jul 2025638 PMAQI
4th Jul 2025649 PMAQI
4th Jul 20256910 PMAQI
4th Jul 20256711 PMAQI
5th Jul 20256812 AMAQI
5th Jul 2025661 AMAQI
5th Jul 2025652 AMAQI
5th Jul 2025653 AMAQI

27°C22/33°C

5th Jul 2025644 AMAQI
5th Jul 2025655 AMAQI
5th Jul 2025656 AMAQI
5th Jul 2025647 AMAQI
5th Jul 2025668 AMAQI
5th Jul 2025699 AMAQI
5th Jul 20257110 AMAQI
5th Jul 20256611 AMAQI
5th Jul 20257012 PMAQI
5th Jul 2025671 PMAQI
5th Jul 2025542 PMAQI
5th Jul 2025503 PMAQI
5th Jul 2025524 PMAQI
5th Jul 2025565 PMAQI
5th Jul 2025526 PMAQI
5th Jul 2025547 PMAQI
5th Jul 2025628 PMAQI
5th Jul 2025629 PMAQI
5th Jul 20256110 PMAQI
5th Jul 20256211 PMAQI
6th Jul 20256212 AMAQI
6th Jul 2025641 AMAQI
6th Jul 2025652 AMAQI
6th Jul 2025643 AMAQI

26°C23/30°C

6th Jul 2025644 AMAQI
6th Jul 2025645 AMAQI
6th Jul 2025646 AMAQI
6th Jul 2025647 AMAQI
6th Jul 2025518 AMAQI
6th Jul 2025359 AMAQI
6th Jul 20253110 AMAQI
6th Jul 20252811 AMAQI
6th Jul 20253412 PMAQI
6th Jul 2025261 PMAQI
6th Jul 2025262 PMAQI
6th Jul 2025283 PMAQI
6th Jul 2025414 PMAQI
6th Jul 2025385 PMAQI
6th Jul 2025406 PMAQI
6th Jul 2025507 PMAQI
6th Jul 2025588 PMAQI
6th Jul 2025589 PMAQI
6th Jul 20255910 PMAQI
6th Jul 20255811 PMAQI
7th Jul 20255812 AMAQI
7th Jul 2025641 AMAQI
7th Jul 2025632 AMAQI
7th Jul 2025623 AMAQI

25°C19/30°C

7th Jul 2025594 AMAQI
7th Jul 2025595 AMAQI
7th Jul 2025596 AMAQI
7th Jul 2025587 AMAQI
7th Jul 2025508 AMAQI
7th Jul 2025469 AMAQI
7th Jul 20255110 AMAQI
7th Jul 20254311 AMAQI
7th Jul 20255412 PMAQI
7th Jul 2025551 PMAQI
7th Jul 2025542 PMAQI
7th Jul 2025543 PMAQI
7th Jul 2025504 PMAQI
7th Jul 2025545 PMAQI
7th Jul 2025576 PMAQI
7th Jul 2025577 PMAQI
7th Jul 2025598 PMAQI
7th Jul 2025649 PMAQI
7th Jul 20256410 PMAQI
7th Jul 20256411 PMAQI
8th Jul 20256312 AMAQI
8th Jul 2025611 AMAQI
8th Jul 2025602 AMAQI
8th Jul 2025603 AMAQI

25°C20/30°C

8th Jul 2025584 AMAQI
8th Jul 2025595 AMAQI
8th Jul 2025596 AMAQI
8th Jul 2025597 AMAQI
8th Jul 2025598 AMAQI
8th Jul 2025619 AMAQI
8th Jul 20255710 AMAQI
8th Jul 20256211 AMAQI
8th Jul 20255912 PMAQI
8th Jul 2025521 PMAQI
8th Jul 2025552 PMAQI
8th Jul 2025543 PMAQI
8th Jul 2025564 PMAQI
8th Jul 2025625 PMAQI
8th Jul 2025656 PMAQI
8th Jul 2025687 PMAQI
8th Jul 2025638 PMAQI
8th Jul 2025669 PMAQI
8th Jul 20256410 PMAQI
8th Jul 20256211 PMAQI
9th Jul 20256512 AMAQI
9th Jul 2025601 AMAQI
9th Jul 2025602 AMAQI
9th Jul 2025603 AMAQI

25°C20/30°C

9th Jul 2025594 AMAQI
9th Jul 2025595 AMAQI
9th Jul 2025596 AMAQI
9th Jul 2025597 AMAQI
9th Jul 2025718 AMAQI
9th Jul 2025719 AMAQI
9th Jul 20257710 AMAQI
9th Jul 20257711 AMAQI
9th Jul 20257412 PMAQI
9th Jul 2025641 PMAQI
9th Jul 2025642 PMAQI
9th Jul 2025583 PMAQI
9th Jul 2025584 PMAQI
9th Jul 2025575 PMAQI
9th Jul 2025656 PMAQI
9th Jul 2025677 PMAQI
9th Jul 2025678 PMAQI
9th Jul 2025679 PMAQI
9th Jul 20256610 PMAQI
9th Jul 20256611 PMAQI
10th Jul 20256812 AMAQI
10th Jul 2025621 AMAQI
10th Jul 2025622 AMAQI
10th Jul 2025623 AMAQI

26°C21/31°C

10th Jul 2025644 AMAQI
10th Jul 2025655 AMAQI
10th Jul 2025646 AMAQI
10th Jul 2025647 AMAQI
10th Jul 2025848 AMAQI
10th Jul 2025909 AMAQI
10th Jul 20259310 AMAQI
10th Jul 20259011 AMAQI
10th Jul 20258212 PMAQI
10th Jul 2025911 PMAQI
10th Jul 2025902 PMAQI
10th Jul 2025883 PMAQI
10th Jul 2025894 PMAQI
10th Jul 2025915 PMAQI
10th Jul 2025886 PMAQI
10th Jul 2025807 PMAQI
10th Jul 2025738 PMAQI
10th Jul 2025749 PMAQI
10th Jul 20257410 PMAQI
10th Jul 20257411 PMAQI
11th Jul 20257412 AMAQI
11th Jul 2025641 AMAQI
11th Jul 2025642 AMAQI
11th Jul 2025643 AMAQI

25°C23/29°C

11th Jul 2025694 AMAQI
11th Jul 2025695 AMAQI
11th Jul 2025696 AMAQI
11th Jul 2025687 AMAQI
11th Jul 2025898 AMAQI
11th Jul 2025899 AMAQI
11th Jul 20258510 AMAQI
11th Jul 20258111 AMAQI
11th Jul 20257812 PMAQI
11th Jul 2025691 PMAQI
11th Jul 2025692 PMAQI
11th Jul 2025683 PMAQI
11th Jul 2025724 PMAQI
11th Jul 2025785 PMAQI
11th Jul 2025786 PMAQI
11th Jul 2025777 PMAQI
11th Jul 2025748 PMAQI
11th Jul 2025749 PMAQI
11th Jul 20257410 PMAQI
11th Jul 20257411 PMAQI
12th Jul 20257412 AMAQI
12th Jul 2025701 AMAQI
12th Jul 2025692 AMAQI
12th Jul 2025703 AMAQI

26°C21/32°C

12th Jul 2025724 AMAQI
12th Jul 2025715 AMAQI
12th Jul 2025726 AMAQI
12th Jul 2025727 AMAQI
12th Jul 2025898 AMAQI
12th Jul 2025889 AMAQI
12th Jul 20258710 AMAQI
12th Jul 20258711 AMAQI
12th Jul 20258512 PMAQI
12th Jul 2025961 PMAQI
12th Jul 2025972 PMAQI
12th Jul 2025983 PMAQI
12th Jul 20251004 PMAQI
12th Jul 2025905 PMAQI
12th Jul 2025856 PMAQI
12th Jul 2025767 PMAQI
12th Jul 2025668 PMAQI
12th Jul 2025669 PMAQI
12th Jul 20256610 PMAQI
12th Jul 20256411 PMAQI
13th Jul 20256112 AMAQI
13th Jul 2025701 AMAQI
13th Jul 2025702 AMAQI
13th Jul 2025723 AMAQI

25°C18/34°C

13th Jul 2025754 AMAQI
13th Jul 2025755 AMAQI
13th Jul 2025766 AMAQI
13th Jul 2025757 AMAQI
13th Jul 2025688 AMAQI
13th Jul 2025579 AMAQI
13th Jul 20254410 AMAQI
13th Jul 20254711 AMAQI
13th Jul 20255812 PMAQI
13th Jul 2025571 PMAQI
13th Jul 2025582 PMAQI
13th Jul 2025583 PMAQI
13th Jul 2025554 PMAQI
13th Jul 2025545 PMAQI
13th Jul 2025546 PMAQI
13th Jul 2025567 PMAQI
13th Jul 2025648 PMAQI
13th Jul 2025689 PMAQI
13th Jul 20256310 PMAQI
13th Jul 20256411 PMAQI
14th Jul 20256412 AMAQI
14th Jul 2025671 AMAQI
14th Jul 2025682 AMAQI
14th Jul 2025673 AMAQI

25°C19/33°C

14th Jul 2025654 AMAQI
14th Jul 2025655 AMAQI
14th Jul 2025656 AMAQI
14th Jul 2025657 AMAQI
14th Jul 2025428 AMAQI
14th Jul 2025359 AMAQI
14th Jul 20253610 AMAQI
14th Jul 20254111 AMAQI
14th Jul 20255212 PMAQI
14th Jul 2025521 PMAQI
14th Jul 2025502 PMAQI
14th Jul 2025543 PMAQI
14th Jul 2025544 PMAQI
14th Jul 2025565 PMAQI
14th Jul 2025576 PMAQI
14th Jul 2025627 PMAQI
14th Jul 2025668 PMAQI
14th Jul 2025669 PMAQI
14th Jul 20256610 PMAQI
14th Jul 20256611 PMAQI
15th Jul 20256512 AMAQI
15th Jul 2025661 AMAQI
15th Jul 2025662 AMAQI
15th Jul 2025663 AMAQI

26°C19/31°C

15th Jul 2025644 AMAQI
15th Jul 2025655 AMAQI
15th Jul 2025656 AMAQI
15th Jul 2025657 AMAQI
15th Jul 2025588 AMAQI
15th Jul 2025569 AMAQI
15th Jul 20255810 AMAQI
15th Jul 20255611 AMAQI
15th Jul 20256012 PMAQI
15th Jul 2025621 PMAQI
15th Jul 2025602 PMAQI
15th Jul 2025563 PMAQI
15th Jul 2025544 PMAQI
15th Jul 2025565 PMAQI
15th Jul 2025546 PMAQI
15th Jul 2025567 PMAQI
15th Jul 2025638 PMAQI
15th Jul 2025649 PMAQI
15th Jul 20256310 PMAQI
15th Jul 20256311 PMAQI
16th Jul 20256212 AMAQI
16th Jul 2025651 AMAQI
16th Jul 2025662 AMAQI
16th Jul 2025653 AMAQI

20°C17/23°C

16th Jul 2025644 AMAQI
16th Jul 2025655 AMAQI
16th Jul 2025656 AMAQI
16th Jul 2025657 AMAQI
16th Jul 2025408 AMAQI
16th Jul 2025449 AMAQI
16th Jul 20254410 AMAQI
16th Jul 20253511 AMAQI
16th Jul 20253212 PMAQI
16th Jul 2025401 PMAQI
16th Jul 2025432 PMAQI
16th Jul 2025513 PMAQI
16th Jul 2025554 PMAQI
16th Jul 2025605 PMAQI
16th Jul 2025526 PMAQI
16th Jul 2025487 PMAQI
16th Jul 2025568 PMAQI
16th Jul 2025609 PMAQI
16th Jul 20256110 PMAQI
16th Jul 20256211 PMAQI
17th Jul 20256012 AMAQI
17th Jul 2025651 AMAQI
17th Jul 2025632 AMAQI
17th Jul 2025633 AMAQI

21°C18/26°C

17th Jul 2025604 AMAQI
17th Jul 2025615 AMAQI
17th Jul 2025616 AMAQI
17th Jul 2025607 AMAQI
17th Jul 2025548 AMAQI
17th Jul 2025419 AMAQI
17th Jul 20253610 AMAQI
17th Jul 20254411 AMAQI
17th Jul 20255212 PMAQI
17th Jul 2025421 PMAQI
17th Jul 2025402 PMAQI
17th Jul 2025343 PMAQI
17th Jul 2025264 PMAQI
17th Jul 2025355 PMAQI
17th Jul 2025436 PMAQI
17th Jul 2025417 PMAQI
17th Jul 2025558 PMAQI
17th Jul 2025599 PMAQI
17th Jul 20255810 PMAQI
17th Jul 20255611 PMAQI
18th Jul 20255912 AMAQI
18th Jul 2025611 AMAQI
18th Jul 2025622 AMAQI
18th Jul 2025603 AMAQI

23°C17/28°C

18th Jul 2025584 AMAQI
18th Jul 2025585 AMAQI
18th Jul 2025596 AMAQI
18th Jul 2025587 AMAQI
18th Jul 2025558 AMAQI
18th Jul 2025459 AMAQI
18th Jul 20254010 AMAQI
18th Jul 20253211 AMAQI
18th Jul 20253512 PMAQI
18th Jul 2025421 PMAQI
18th Jul 2025512 PMAQI
18th Jul 2025443 PMAQI
18th Jul 2025404 PMAQI
18th Jul 2025375 PMAQI
18th Jul 2025446 PMAQI
18th Jul 2025487 PMAQI
18th Jul 2025568 PMAQI
18th Jul 2025579 PMAQI
18th Jul 20255710 PMAQI
18th Jul 20255811 PMAQI
19th Jul 20255812 AMAQI
19th Jul 2025601 AMAQI
19th Jul 2025602 AMAQI
19th Jul 2025593 AMAQI

25°C19/31°C

19th Jul 2025584 AMAQI
19th Jul 2025585 AMAQI
19th Jul 2025566 AMAQI
19th Jul 2025577 AMAQI
19th Jul 2025528 AMAQI
19th Jul 2025579 AMAQI
19th Jul 20256710 AMAQI
19th Jul 20257011 AMAQI
19th Jul 20256012 PMAQI
19th Jul 2025641 PMAQI
19th Jul 2025672 PMAQI
19th Jul 2025653 PMAQI
19th Jul 2025674 PMAQI
19th Jul 2025725 PMAQI
19th Jul 2025766 PMAQI
19th Jul 2025727 PMAQI
19th Jul 2025638 PMAQI
19th Jul 2025629 PMAQI
19th Jul 20256410 PMAQI
19th Jul 20256511 PMAQI
20th Jul 20256612 AMAQI
20th Jul 2025601 AMAQI
20th Jul 2025582 AMAQI
20th Jul 2025593 AMAQI

24°C20/30°C

20th Jul 2025604 AMAQI
20th Jul 2025595 AMAQI
20th Jul 2025596 AMAQI
20th Jul 2025607 AMAQI
20th Jul 2025678 AMAQI
20th Jul 2025699 AMAQI
20th Jul 20256510 AMAQI
20th Jul 20255411 AMAQI
20th Jul 20255112 PMAQI
20th Jul 2025441 PMAQI
20th Jul 2025262 PMAQI
20th Jul 2025383 PMAQI
20th Jul 2025294 PMAQI
20th Jul 2025305 PMAQI
20th Jul 2025286 PMAQI
20th Jul 2025397 PMAQI
20th Jul 2025548 PMAQI
20th Jul 2025549 PMAQI
20th Jul 20255510 PMAQI
20th Jul 20255511 PMAQI
21st Jul 20255412 AMAQI
21st Jul 2025621 AMAQI
21st Jul 2025612 AMAQI
21st Jul 2025603 AMAQI

20°C18/21°C

21st Jul 2025604 AMAQI
21st Jul 2025595 AMAQI
21st Jul 2025606 AMAQI
21st Jul 2025607 AMAQI
21st Jul 2025508 AMAQI
21st Jul 2025309 AMAQI
21st Jul 20253010 AMAQI
21st Jul 20253111 AMAQI
21st Jul 20252712 PMAQI
21st Jul 2025341 PMAQI
21st Jul 2025552 PMAQI
21st Jul 2025503 PMAQI
21st Jul 2025434 PMAQI
21st Jul 2025415 PMAQI
21st Jul 2025376 PMAQI
21st Jul 2025487 PMAQI
21st Jul 2025568 PMAQI
21st Jul 2025579 PMAQI
21st Jul 20255810 PMAQI
21st Jul 20255811 PMAQI
22nd Jul 20256012 AMAQI
22nd Jul 2025591 AMAQI
22nd Jul 2025602 AMAQI
22nd Jul 2025593 AMAQI

25°C18/33°C

22nd Jul 2025564 AMAQI
22nd Jul 2025565 AMAQI
22nd Jul 2025576 AMAQI
22nd Jul 2025577 AMAQI
22nd Jul 2025608 AMAQI
22nd Jul 2025579 AMAQI
22nd Jul 20255610 AMAQI
22nd Jul 20255411 AMAQI
22nd Jul 20256012 PMAQI
22nd Jul 2025601 PMAQI
22nd Jul 2025612 PMAQI
22nd Jul 2025633 PMAQI
22nd Jul 2025574 PMAQI
22nd Jul 2025545 PMAQI
22nd Jul 2025526 PMAQI
22nd Jul 2025627 PMAQI
22nd Jul 2025628 PMAQI
22nd Jul 2025669 PMAQI
22nd Jul 20256310 PMAQI
22nd Jul 20256111 PMAQI
23rd Jul 20256412 AMAQI
23rd Jul 2025591 AMAQI
23rd Jul 2025592 AMAQI
23rd Jul 2025603 AMAQI

25°C19/31°C

23rd Jul 2025604 AMAQI
23rd Jul 2025595 AMAQI
23rd Jul 2025586 AMAQI
23rd Jul 2025597 AMAQI
23rd Jul 2025788 AMAQI
23rd Jul 2025779 AMAQI
23rd Jul 20257010 AMAQI
23rd Jul 20257211 AMAQI
23rd Jul 20257312 PMAQI
23rd Jul 2025681 PMAQI
23rd Jul 2025672 PMAQI
23rd Jul 2025683 PMAQI
23rd Jul 2025654 PMAQI
23rd Jul 2025605 PMAQI
23rd Jul 2025616 PMAQI
23rd Jul 2025617 PMAQI
23rd Jul 2025628 PMAQI
23rd Jul 2025659 PMAQI
23rd Jul 20256210 PMAQI
23rd Jul 20256311 PMAQI
24th Jul 20256012 AMAQI
24th Jul 2025601 AMAQI
24th Jul 2025602 AMAQI
24th Jul 2025613 AMAQI

24°C20/29°C

24th Jul 2025634 AMAQI
24th Jul 2025635 AMAQI
24th Jul 2025636 AMAQI
24th Jul 2025637 AMAQI
24th Jul 2025388 AMAQI
24th Jul 2025269 AMAQI
24th Jul 20252510 AMAQI
24th Jul 20253311 AMAQI
24th Jul 20253612 PMAQI
24th Jul 2025391 PMAQI
24th Jul 2025372 PMAQI
24th Jul 2025453 PMAQI
24th Jul 2025364 PMAQI
24th Jul 2025365 PMAQI
24th Jul 2025386 PMAQI
24th Jul 2025547 PMAQI
24th Jul 2025608 PMAQI
24th Jul 2025589 PMAQI
24th Jul 20255810 PMAQI
24th Jul 20255611 PMAQI
25th Jul 20255412 AMAQI
25th Jul 2025601 AMAQI
25th Jul 2025612 AMAQI
25th Jul 2025613 AMAQI

23°C20/26°C

25th Jul 2025584 AMAQI
25th Jul 2025585 AMAQI
25th Jul 2025586 AMAQI
25th Jul 2025587 AMAQI
25th Jul 2025378 AMAQI
25th Jul 2025339 AMAQI
25th Jul 20253010 AMAQI
25th Jul 20253011 AMAQI
25th Jul 20252812 PMAQI
25th Jul 2025431 PMAQI
25th Jul 2025582 PMAQI
25th Jul 2025593 PMAQI
25th Jul 2025624 PMAQI
25th Jul 2025685 PMAQI
25th Jul 2025666 PMAQI
25th Jul 2025667 PMAQI
25th Jul 2025668 PMAQI
25th Jul 2025669 PMAQI
25th Jul 20256610 PMAQI
25th Jul 20256411 PMAQI
26th Jul 20256112 AMAQI
26th Jul 2025591 AMAQI
26th Jul 2025602 AMAQI
26th Jul 2025583 AMAQI

23°C21/25°C

26th Jul 2025574 AMAQI
26th Jul 2025575 AMAQI
26th Jul 2025576 AMAQI
26th Jul 2025577 AMAQI
26th Jul 2025788 AMAQI
26th Jul 2025859 AMAQI
26th Jul 20257910 AMAQI
26th Jul 20257811 AMAQI
26th Jul 20257712 PMAQI
26th Jul 2025801 PMAQI
26th Jul 2025842 PMAQI
26th Jul 2025783 PMAQI
26th Jul 2025724 PMAQI
26th Jul 2025675 PMAQI
26th Jul 2025716 PMAQI
26th Jul 2025657 PMAQI
26th Jul 2025648 PMAQI
26th Jul 2025599 PMAQI
26th Jul 20255510 PMAQI
26th Jul 20255411 PMAQI
27th Jul 20255312 AMAQI
27th Jul 2025581 AMAQI
27th Jul 2025582 AMAQI
27th Jul 2025603 AMAQI

24°C22/28°C

27th Jul 2025634 AMAQI
27th Jul 2025635 AMAQI
27th Jul 2025636 AMAQI
27th Jul 2025647 AMAQI
27th Jul 2025458 AMAQI
27th Jul 2025409 AMAQI
27th Jul 20254910 AMAQI
27th Jul 20254811 AMAQI
27th Jul 20254212 PMAQI
27th Jul 2025391 PMAQI
27th Jul 2025512 PMAQI
27th Jul 2025503 PMAQI
27th Jul 2025574 PMAQI
27th Jul 2025575 PMAQI
27th Jul 2025516 PMAQI
27th Jul 2025507 PMAQI
27th Jul 2025538 PMAQI
27th Jul 2025559 PMAQI
27th Jul 20255510 PMAQI
27th Jul 20255511 PMAQI
28th Jul 20255412 AMAQI
28th Jul 2025601 AMAQI
28th Jul 2025602 AMAQI
28th Jul 2025593 AMAQI

23°C21/26°C

28th Jul 2025584 AMAQI
28th Jul 2025585 AMAQI
28th Jul 2025576 AMAQI
28th Jul 2025587 AMAQI
28th Jul 2025408 AMAQI
28th Jul 2025329 AMAQI
28th Jul 20253010 AMAQI
28th Jul 20252411 AMAQI
28th Jul 20252712 PMAQI
28th Jul 2025321 PMAQI
28th Jul 2025252 PMAQI
28th Jul 2025243 PMAQI
28th Jul 2025334 PMAQI
28th Jul 2025385 PMAQI
28th Jul 2025286 PMAQI
28th Jul 2025317 PMAQI
28th Jul 2025518 PMAQI
28th Jul 2025529 PMAQI
28th Jul 20255410 PMAQI
28th Jul 20255511 PMAQI
29th Jul 20255612 AMAQI
29th Jul 2025571 AMAQI
29th Jul 2025582 AMAQI
29th Jul 2025573 AMAQI

25°C22/29°C

29th Jul 2025544 AMAQI
29th Jul 2025545 AMAQI
29th Jul 2025546 AMAQI
29th Jul 2025547 AMAQI
29th Jul 2025428 AMAQI
29th Jul 2025309 AMAQI
29th Jul 20253510 AMAQI
29th Jul 20252711 AMAQI
29th Jul 20252412 PMAQI
29th Jul 2025281 PMAQI
29th Jul 2025322 PMAQI
29th Jul 2025343 PMAQI
29th Jul 2025384 PMAQI
29th Jul 2025355 PMAQI
29th Jul 2025366 PMAQI
29th Jul 2025507 PMAQI
29th Jul 2025598 PMAQI
29th Jul 2025579 PMAQI
29th Jul 20255610 PMAQI
29th Jul 20256011 PMAQI
30th Jul 20255812 AMAQI
30th Jul 2025561 AMAQI
30th Jul 2025552 AMAQI
30th Jul 2025553 AMAQI

21°C18/23°C

30th Jul 2025534 AMAQI
30th Jul 2025545 AMAQI
30th Jul 2025536 AMAQI
30th Jul 2025547 AMAQI
30th Jul 2025428 AMAQI
30th Jul 2025339 AMAQI
30th Jul 20253410 AMAQI
30th Jul 20254311 AMAQI
30th Jul 20254012 PMAQI
30th Jul 2025441 PMAQI
30th Jul 2025462 PMAQI
30th Jul 2025523 PMAQI
30th Jul 2025444 PMAQI
30th Jul 2025445 PMAQI
30th Jul 2025406 PMAQI
30th Jul 2025397 PMAQI
30th Jul 2025548 PMAQI
30th Jul 2025549 PMAQI
30th Jul 20255310 PMAQI
30th Jul 20255611 PMAQI
31st Jul 20255512 AMAQI
31st Jul 2025551 AMAQI
31st Jul 2025552 AMAQI
31st Jul 2025553 AMAQI

21°C17/25°C

31st Jul 2025554 AMAQI
31st Jul 2025555 AMAQI
31st Jul 2025556 AMAQI
31st Jul 2025557 AMAQI
31st Jul 2025558 AMAQI
31st Jul 2025559 AMAQI
31st Jul 20254110 AMAQI
31st Jul 20254611 AMAQI
31st Jul 20254212 PMAQI
31st Jul 2025531 PMAQI
31st Jul 2025552 PMAQI
31st Jul 2025643 PMAQI
31st Jul 2025624 PMAQI
31st Jul 2025495 PMAQI
31st Jul 2025426 PMAQI
31st Jul 2025607 PMAQI
31st Jul 2025628 PMAQI
31st Jul 2025599 PMAQI
31st Jul 20256110 PMAQI
31st Jul 20256211 PMAQI
1st Aug 20256212 AMAQI
1st Aug 2025571 AMAQI
1st Aug 2025572 AMAQI
1st Aug 2025583 AMAQI

21°C18/25°C

1st Aug 2025594 AMAQI
1st Aug 2025595 AMAQI
1st Aug 2025596 AMAQI
1st Aug 2025587 AMAQI
1st Aug 2025758 AMAQI
1st Aug 2025699 AMAQI
1st Aug 20257210 AMAQI
1st Aug 20257111 AMAQI
1st Aug 20256612 PMAQI
1st Aug 2025661 PMAQI
1st Aug 2025662 PMAQI
1st Aug 2025623 PMAQI
1st Aug 2025624 PMAQI
1st Aug 2025615 PMAQI
1st Aug 2025546 PMAQI
1st Aug 2025607 PMAQI
1st Aug 2025628 PMAQI
1st Aug 2025669 PMAQI
1st Aug 20256710 PMAQI
1st Aug 20256711 PMAQI
2nd Aug 20256212 AMAQI
2nd Aug 2025581 AMAQI
2nd Aug 2025582 AMAQI
2nd Aug 2025603 AMAQI

24°C18/29°C

2nd Aug 2025604 AMAQI
4 AM
2nd Aug 2025605 AMAQI
2nd Aug 2025606 AMAQI
2nd Aug 2025607 AMAQI
2nd Aug 2025788 AMAQI
2nd Aug 2025799 AMAQI
2nd Aug 20257310 AMAQI
2nd Aug 20256911 AMAQI
11 AM
2nd Aug 20257112 PMAQI
2nd Aug 2025661 PMAQI
2nd Aug 2025682 PMAQI
2nd Aug 2025703 PMAQI
2nd Aug 2025684 PMAQI
2nd Aug 2025685 PMAQI
2nd Aug 2025646 PMAQI
2nd Aug 2025647 PMAQI
7 PM
2nd Aug 2025628 PMAQI
11 PM
3 AM

--°C/°C

Day time
Avg. Highest Time
4 AM - 8 AM

61AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
9 AM - 6 PM

55AQI

10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 8 AM (Avg. 61), while the lowest AQI was between 9 AM to 6 PM (Avg. 55).
Night time
Avg. Highest Time
12 AM - 11 PM

62AQI

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

62AQI

8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 62), while the lowest AQI was between 12 AM to 11 PM (Avg. 62).

2025 Days Vs Air Quality

Bda, Chengde, Hebei, China

2025

4%

9

85%

180

10%

22

0.9%

2

Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)

Good
9 Days
Moderate
180 Days
Poor
22 Days
Unhealthy
2 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 4%

Health Risk Level:

Extreme

In 2025, 4% of 214 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

Bda, 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.

1st January 2025
91AQI
2nd January 2025
72AQI
3rd January 2025
81AQI
4th January 2025
94AQI
5th January 2025
89AQI
6th January 2025
64AQI
7th January 2025
65AQI
8th January 2025
55AQI
9th January 2025
53AQI
10th January 2025
60AQI
11th January 2025
70AQI
12th January 2025
72AQI
13th January 2025
77AQI
14th January 2025
67AQI
15th January 2025
69AQI
16th January 2025
82AQI
17th January 2025
97AQI
18th January 2025
115AQI
19th January 2025
87AQI
20th January 2025
106AQI
21st January 2025
93AQI
22nd January 2025
88AQI
23rd January 2025
123AQI
24th January 2025
138AQI
25th January 2025
155AQI
26th January 2025
104AQI
27th January 2025
82AQI
28th January 2025
68AQI
29th January 2025
107AQI
30th January 2025
72AQI
31st January 2025
110AQI
1st February 2025
126AQI
2nd February 2025
96AQI
3rd February 2025
76AQI
4th February 2025
68AQI
5th February 2025
58AQI
6th February 2025
66AQI
7th February 2025
51AQI
8th February 2025
48AQI
9th February 2025
57AQI
10th February 2025
86AQI
11th February 2025
122AQI
12th February 2025
76AQI
13th February 2025
102AQI
14th February 2025
83AQI
15th February 2025
98AQI
16th February 2025
58AQI
17th February 2025
64AQI
18th February 2025
63AQI
19th February 2025
57AQI
20th February 2025
58AQI
21st February 2025
54AQI
22nd February 2025
54AQI
23rd February 2025
46AQI
24th February 2025
57AQI
25th February 2025
61AQI
26th February 2025
65AQI
27th February 2025
105AQI
28th February 2025
114AQI
1st March 2025
142AQI
2nd March 2025
86AQI
3rd March 2025
96AQI
4th March 2025
91AQI
5th March 2025
90AQI
6th March 2025
66AQI
7th March 2025
85AQI
8th March 2025
113AQI
9th March 2025
127AQI
10th March 2025
148AQI
11th March 2025
158AQI
12th March 2025
87AQI
13th March 2025
105AQI
14th March 2025
105AQI
15th March 2025
81AQI
16th March 2025
77AQI
17th March 2025
68AQI
18th March 2025
59AQI
19th March 2025
59AQI
20th March 2025
51AQI
21st March 2025
52AQI
22nd March 2025
55AQI
23rd March 2025
89AQI
24th March 2025
57AQI
25th March 2025
60AQI
26th March 2025
90AQI
27th March 2025
58AQI
28th March 2025
65AQI
29th March 2025
57AQI
30th March 2025
58AQI
31st March 2025
62AQI
1st April 2025
61AQI
2nd April 2025
51AQI
3rd April 2025
60AQI
4th April 2025
72AQI
5th April 2025
49AQI
6th April 2025
63AQI
7th April 2025
72AQI
8th April 2025
57AQI
9th April 2025
70AQI
10th April 2025
68AQI
11th April 2025
103AQI
12th April 2025
70AQI
13th April 2025
74AQI
14th April 2025
63AQI
15th April 2025
70AQI
16th April 2025
80AQI
17th April 2025
84AQI
18th April 2025
62AQI
19th April 2025
60AQI
20th April 2025
71AQI
21st April 2025
85AQI
22nd April 2025
60AQI
23rd April 2025
74AQI
24th April 2025
53AQI
25th April 2025
57AQI
26th April 2025
82AQI
27th April 2025
48AQI
28th April 2025
59AQI
29th April 2025
65AQI
30th April 2025
60AQI
1st May 2025
54AQI
2nd May 2025
63AQI
3rd May 2025
51AQI
4th May 2025
57AQI
5th May 2025
68AQI
6th May 2025
57AQI
7th May 2025
83AQI
8th May 2025
101AQI
9th May 2025
67AQI
10th May 2025
76AQI
11th May 2025
73AQI
12th May 2025
78AQI
13th May 2025
90AQI
14th May 2025
70AQI
15th May 2025
75AQI
16th May 2025
94AQI
17th May 2025
71AQI
18th May 2025
67AQI
19th May 2025
67AQI
20th May 2025
96AQI
21st May 2025
86AQI
22nd May 2025
108AQI
23rd May 2025
78AQI
24th May 2025
74AQI
25th May 2025
83AQI
26th May 2025
83AQI
27th May 2025
71AQI
28th May 2025
76AQI
29th May 2025
95AQI
30th May 2025
97AQI
31st May 2025
101AQI
1st June 2025
91AQI
2nd June 2025
78AQI
3rd June 2025
56AQI
4th June 2025
53AQI
5th June 2025
57AQI
6th June 2025
51AQI
7th June 2025
57AQI
8th June 2025
57AQI
9th June 2025
69AQI
10th June 2025
54AQI
11th June 2025
63AQI
12th June 2025
76AQI
13th June 2025
75AQI
14th June 2025
83AQI
15th June 2025
66AQI
16th June 2025
57AQI
17th June 2025
61AQI
18th June 2025
66AQI
19th June 2025
65AQI
20th June 2025
62AQI
21st June 2025
58AQI
22nd June 2025
54AQI
23rd June 2025
57AQI
24th June 2025
63AQI
25th June 2025
70AQI
26th June 2025
69AQI
27th June 2025
75AQI
28th June 2025
65AQI
29th June 2025
73AQI
30th June 2025
67AQI
1st July 2025
68AQI
2nd July 2025
68AQI
3rd July 2025
67AQI
4th July 2025
62AQI
5th July 2025
63AQI
6th July 2025
51AQI
7th July 2025
57AQI
8th July 2025
61AQI
9th July 2025
64AQI
10th July 2025
76AQI
11th July 2025
73AQI
12th July 2025
78AQI
13th July 2025
63AQI
14th July 2025
60AQI
15th July 2025
62AQI
16th July 2025
56AQI
17th July 2025
51AQI
18th July 2025
52AQI
19th July 2025
63AQI
20th July 2025
52AQI
21st July 2025
50AQI
22nd July 2025
59AQI
23rd July 2025
64AQI
24th July 2025
50AQI
25th July 2025
57AQI
26th July 2025
66AQI
27th July 2025
54AQI
28th July 2025
45AQI
29th July 2025
47AQI
30th July 2025
49AQI
31st July 2025
55AQI
1st August 2025
61AQI

87AQI

74AQI

84AQI

67AQI

78AQI

65AQI

59AQI

61AQI

No. of days

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

202573AQI

23
7
1
2
21
5
24
6
1
2
27
1
28
3
30
5
26
1
9
180
22
2

Highest AQI recorded in

January

87AQI

Lowest AQI recorded in

July

59AQI

202477AQI

18
10
3
16
12
1
23
7
1
1
22
7
4
23
4
2
25
3
7
23
1
18
13
15
15
4
22
4
1
4
18
5
3
1
29
1
56
247
54
9

Highest AQI recorded in

January

99AQI

Lowest AQI recorded in

August

50AQI

202385AQI

1
12
16
2
14
9
5
18
9
3
1
1
19
6
2
2
28
2
1
7
19
4
7
23
1
13
18
10
16
4
3
23
1
4
1
24
2
1
1
18
12
1
43
232
66
18
5

Highest AQI recorded in

February

111AQI

Lowest AQI recorded in

August

55AQI

202282AQI

11
12
8
15
6
22
8
1
1
19
8
9
21
1
6
18
6
7
15
1
1
1
6
17
5
9
11
11
3
16
8
3
25
6
42
190
73
12

Highest AQI recorded in

January

115AQI

Lowest AQI recorded in

July

58AQI

202183AQI

16
9
6
15
8
5
1
10
8
10
2
2
22
6
25
4
2
1
28
1
17
14
13
18
9
21
3
22
6
3
12
12
3
1
16
14
50
219
68
24
2
2

Highest AQI recorded in

March

134AQI

Lowest AQI recorded in

July

46AQI

202076AQI

2
8
2
1
5
13
3
8
7
3
5
21
4
2
27
2
4
26
1
10
18
2
7
16
6
2
1
20
7
2
1
20
9
1
45
176
39
6

Highest AQI recorded in

December

93AQI

Lowest AQI recorded in

September

61AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
85AQI
Least Polluted Year Recorded
2025(Avg.)
73AQI

Bda's annual 2025 AQI (73) shows an average percentage change of -8.8% (improved AQI) compared to previous years: 2020 (76), 2021 (83), 2022 (82), 2023 (85), 2024 (77).