Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Baian Dam, Sanzhou, Chongqing, 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

Baian Dam, Sanzhou, Chongqing, China

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
17th Aug 2024
111AQI
Lowest AQI recorded on
12th Aug 2021
25AQI

Same Day Analysis (6th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 57 of Moderate air quality, showing improvement over 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 6th Aug - 7th Aug 2025

Baian Dam, Sanzhou, Chongqing, China

AQI
Day
Night
.

5 AM6th Aug 2025

7 PM

4 AM7th Aug 2025

Day time
Avg. Highest Time
6AM6th Aug

62AQI

Avg. Lowest Time
6PM6th Aug

40AQI

Night time
Avg. Highest Time
10PM6th Aug

66AQI

Avg. Lowest Time
3AM7th Aug

60AQI

In the last 24 hours,

Baian Dam's AQI reached its highest point of 66 at 10 PM during the Night, while the lowest point, 40, was recorded at 6 PM during the Day between 6th Aug and 7th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Baian Dam, Sanzhou, Chongqing, China

JulAug
08th - 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 - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th
Day
Night
8th Jul 2025535 AMAQI
8th Jul 2025526 AMAQI
8th Jul 2025527 AMAQI
8th Jul 2025568 AMAQI
8th Jul 2025589 AMAQI
8th Jul 20255810 AMAQI
8th Jul 20255711 AMAQI
8th Jul 20255512 PMAQI
8th Jul 2025541 PMAQI
8th Jul 2025542 PMAQI
8th Jul 2025543 PMAQI
8th Jul 2025554 PMAQI
8th Jul 2025545 PMAQI
8th Jul 2025446 PMAQI
8th Jul 2025457 PMAQI
8th Jul 2025528 PMAQI
8th Jul 2025589 PMAQI
8th Jul 20255710 PMAQI
8th Jul 20256211 PMAQI
9th Jul 20256012 AMAQI
9th Jul 2025541 AMAQI
9th Jul 2025542 AMAQI
9th Jul 2025543 AMAQI
9th Jul 2025544 AMAQI

25°C20/29°C

9th Jul 2025545 AMAQI
9th Jul 2025546 AMAQI
9th Jul 2025537 AMAQI
9th Jul 2025568 AMAQI
9th Jul 2025579 AMAQI
9th Jul 20256010 AMAQI
9th Jul 20255511 AMAQI
9th Jul 20255012 PMAQI
9th Jul 2025541 PMAQI
9th Jul 2025522 PMAQI
9th Jul 2025483 PMAQI
9th Jul 2025474 PMAQI
9th Jul 2025535 PMAQI
9th Jul 2025526 PMAQI
9th Jul 2025517 PMAQI
9th Jul 2025568 PMAQI
9th Jul 2025569 PMAQI
9th Jul 20255810 PMAQI
9th Jul 20255411 PMAQI
10th Jul 20255612 AMAQI
10th Jul 2025551 AMAQI
10th Jul 2025552 AMAQI
10th Jul 2025543 AMAQI
10th Jul 2025554 AMAQI

24°C19/30°C

10th Jul 2025555 AMAQI
10th Jul 2025546 AMAQI
10th Jul 2025547 AMAQI
10th Jul 2025478 AMAQI
10th Jul 2025439 AMAQI
10th Jul 20256210 AMAQI
10th Jul 20256311 AMAQI
10th Jul 20256312 PMAQI
10th Jul 2025551 PMAQI
10th Jul 2025462 PMAQI
10th Jul 2025373 PMAQI
10th Jul 2025334 PMAQI
10th Jul 2025425 PMAQI
10th Jul 2025426 PMAQI
10th Jul 2025537 PMAQI
10th Jul 2025608 PMAQI
10th Jul 2025589 PMAQI
10th Jul 20255910 PMAQI
10th Jul 20256311 PMAQI
11th Jul 20255912 AMAQI
11th Jul 2025551 AMAQI
11th Jul 2025552 AMAQI
11th Jul 2025553 AMAQI
11th Jul 2025554 AMAQI

26°C20/33°C

11th Jul 2025555 AMAQI
11th Jul 2025556 AMAQI
11th Jul 2025557 AMAQI
11th Jul 2025528 AMAQI
11th Jul 2025589 AMAQI
11th Jul 20254610 AMAQI
11th Jul 20253911 AMAQI
11th Jul 20253112 PMAQI
11th Jul 2025381 PMAQI
11th Jul 2025412 PMAQI
11th Jul 2025393 PMAQI
11th Jul 2025354 PMAQI
11th Jul 2025415 PMAQI
11th Jul 2025546 PMAQI
11th Jul 2025627 PMAQI
11th Jul 2025658 PMAQI
11th Jul 2025669 PMAQI
11th Jul 20257010 PMAQI
11th Jul 20256711 PMAQI
12th Jul 20256512 AMAQI
12th Jul 2025581 AMAQI
12th Jul 2025562 AMAQI
12th Jul 2025553 AMAQI
12th Jul 2025554 AMAQI

26°C19/34°C

12th Jul 2025545 AMAQI
12th Jul 2025546 AMAQI
12th Jul 2025547 AMAQI
12th Jul 2025628 AMAQI
12th Jul 2025649 AMAQI
12th Jul 20256310 AMAQI
12th Jul 20256511 AMAQI
12th Jul 20256012 PMAQI
12th Jul 2025601 PMAQI
12th Jul 2025582 PMAQI
12th Jul 2025573 PMAQI
12th Jul 2025584 PMAQI
12th Jul 2025545 PMAQI
12th Jul 2025586 PMAQI
12th Jul 2025557 PMAQI
12th Jul 2025608 PMAQI
12th Jul 2025589 PMAQI
12th Jul 20255910 PMAQI
12th Jul 20256611 PMAQI
13th Jul 20257212 AMAQI
13th Jul 2025561 AMAQI
13th Jul 2025562 AMAQI
13th Jul 2025563 AMAQI
13th Jul 2025574 AMAQI

26°C19/34°C

13th Jul 2025585 AMAQI
13th Jul 2025586 AMAQI
13th Jul 2025587 AMAQI
13th Jul 2025718 AMAQI
13th Jul 2025779 AMAQI
13th Jul 20256610 AMAQI
13th Jul 20256311 AMAQI
13th Jul 20256112 PMAQI
13th Jul 2025601 PMAQI
13th Jul 2025592 PMAQI
13th Jul 2025563 PMAQI
13th Jul 2025544 PMAQI
13th Jul 2025565 PMAQI
13th Jul 2025566 PMAQI
13th Jul 2025637 PMAQI
13th Jul 2025658 PMAQI
13th Jul 2025669 PMAQI
13th Jul 20256210 PMAQI
13th Jul 20257011 PMAQI
14th Jul 20257212 AMAQI
14th Jul 2025591 AMAQI
14th Jul 2025592 AMAQI
14th Jul 2025603 AMAQI
14th Jul 2025604 AMAQI

27°C20/34°C

14th Jul 2025605 AMAQI
14th Jul 2025606 AMAQI
14th Jul 2025607 AMAQI
14th Jul 2025688 AMAQI
14th Jul 2025709 AMAQI
14th Jul 20256610 AMAQI
14th Jul 20255911 AMAQI
14th Jul 20256012 PMAQI
14th Jul 2025601 PMAQI
14th Jul 2025582 PMAQI
14th Jul 2025583 PMAQI
14th Jul 2025644 PMAQI
14th Jul 2025565 PMAQI
14th Jul 2025546 PMAQI
14th Jul 2025607 PMAQI
14th Jul 2025668 PMAQI
14th Jul 2025669 PMAQI
14th Jul 20256510 PMAQI
14th Jul 20256811 PMAQI
15th Jul 20257012 AMAQI
15th Jul 2025641 AMAQI
15th Jul 2025612 AMAQI
15th Jul 2025613 AMAQI
15th Jul 2025614 AMAQI

27°C20/35°C

15th Jul 2025615 AMAQI
15th Jul 2025616 AMAQI
15th Jul 2025617 AMAQI
15th Jul 2025698 AMAQI
15th Jul 2025629 AMAQI
15th Jul 20256110 AMAQI
15th Jul 20255811 AMAQI
15th Jul 20256012 PMAQI
15th Jul 2025561 PMAQI
15th Jul 2025622 PMAQI
15th Jul 2025663 PMAQI
15th Jul 2025564 PMAQI
15th Jul 2025535 PMAQI
15th Jul 2025486 PMAQI
15th Jul 2025567 PMAQI
15th Jul 2025608 PMAQI
15th Jul 2025669 PMAQI
15th Jul 20257110 PMAQI
15th Jul 20257111 PMAQI
16th Jul 20256912 AMAQI
16th Jul 2025611 AMAQI
16th Jul 2025622 AMAQI
16th Jul 2025623 AMAQI
16th Jul 2025614 AMAQI

28°C21/36°C

16th Jul 2025625 AMAQI
16th Jul 2025616 AMAQI
16th Jul 2025617 AMAQI
16th Jul 2025588 AMAQI
16th Jul 2025629 AMAQI
16th Jul 20256010 AMAQI
16th Jul 20255311 AMAQI
16th Jul 20255312 PMAQI
16th Jul 2025561 PMAQI
16th Jul 2025522 PMAQI
16th Jul 2025563 PMAQI
16th Jul 2025574 PMAQI
16th Jul 2025565 PMAQI
16th Jul 2025606 PMAQI
16th Jul 2025677 PMAQI
16th Jul 2025648 PMAQI
16th Jul 2025669 PMAQI
16th Jul 20256810 PMAQI
16th Jul 20256911 PMAQI
17th Jul 20257212 AMAQI
17th Jul 2025621 AMAQI
17th Jul 2025622 AMAQI
17th Jul 2025623 AMAQI
17th Jul 2025604 AMAQI

32°C27/37°C

17th Jul 2025615 AMAQI
17th Jul 2025616 AMAQI
17th Jul 2025607 AMAQI
17th Jul 2025678 AMAQI
17th Jul 2025689 AMAQI
17th Jul 20255810 AMAQI
17th Jul 20255811 AMAQI
17th Jul 20256112 PMAQI
17th Jul 2025581 PMAQI
17th Jul 2025532 PMAQI
17th Jul 2025533 PMAQI
17th Jul 2025594 PMAQI
17th Jul 2025585 PMAQI
17th Jul 2025686 PMAQI
17th Jul 2025717 PMAQI
17th Jul 2025658 PMAQI
17th Jul 2025679 PMAQI
17th Jul 20256510 PMAQI
17th Jul 20256811 PMAQI
18th Jul 20256812 AMAQI
18th Jul 2025611 AMAQI
18th Jul 2025622 AMAQI
18th Jul 2025613 AMAQI
18th Jul 2025624 AMAQI

30°C24/37°C

18th Jul 2025615 AMAQI
18th Jul 2025616 AMAQI
18th Jul 2025627 AMAQI
18th Jul 2025598 AMAQI
18th Jul 2025629 AMAQI
18th Jul 20255810 AMAQI
18th Jul 20255411 AMAQI
18th Jul 20254912 PMAQI
18th Jul 2025411 PMAQI
18th Jul 2025422 PMAQI
18th Jul 2025373 PMAQI
18th Jul 2025514 PMAQI
18th Jul 2025645 PMAQI
18th Jul 2025646 PMAQI
18th Jul 2025657 PMAQI
18th Jul 2025628 PMAQI
18th Jul 2025639 PMAQI
18th Jul 20255910 PMAQI
18th Jul 20256111 PMAQI
19th Jul 20256012 AMAQI
19th Jul 2025621 AMAQI
19th Jul 2025622 AMAQI
19th Jul 2025603 AMAQI
19th Jul 2025604 AMAQI

28°C23/35°C

19th Jul 2025595 AMAQI
19th Jul 2025596 AMAQI
19th Jul 2025597 AMAQI
19th Jul 2025438 AMAQI
19th Jul 2025549 AMAQI
19th Jul 20255510 AMAQI
19th Jul 20254511 AMAQI
19th Jul 20254012 PMAQI
19th Jul 2025401 PMAQI
19th Jul 2025422 PMAQI
19th Jul 2025383 PMAQI
19th Jul 2025384 PMAQI
19th Jul 2025445 PMAQI
19th Jul 2025506 PMAQI
19th Jul 2025547 PMAQI
19th Jul 2025588 PMAQI
19th Jul 2025639 PMAQI
19th Jul 20256610 PMAQI
19th Jul 20256711 PMAQI
20th Jul 20256612 AMAQI
20th Jul 2025601 AMAQI
20th Jul 2025602 AMAQI
20th Jul 2025593 AMAQI
20th Jul 2025584 AMAQI

29°C23/35°C

20th Jul 2025585 AMAQI
20th Jul 2025586 AMAQI
20th Jul 2025587 AMAQI
20th Jul 2025568 AMAQI
20th Jul 2025539 AMAQI
20th Jul 20254510 AMAQI
20th Jul 20255011 AMAQI
20th Jul 20254212 PMAQI
20th Jul 2025421 PMAQI
20th Jul 2025392 PMAQI
20th Jul 2025363 PMAQI
20th Jul 2025424 PMAQI
20th Jul 2025485 PMAQI
20th Jul 2025516 PMAQI
20th Jul 2025597 PMAQI
20th Jul 2025668 PMAQI
20th Jul 2025629 PMAQI
20th Jul 20256410 PMAQI
20th Jul 20256411 PMAQI
21st Jul 20256512 AMAQI
21st Jul 2025601 AMAQI
21st Jul 2025592 AMAQI
21st Jul 2025583 AMAQI
21st Jul 2025574 AMAQI

29°C24/36°C

21st Jul 2025575 AMAQI
21st Jul 2025576 AMAQI
21st Jul 2025577 AMAQI
21st Jul 2025628 AMAQI
21st Jul 2025669 AMAQI
21st Jul 20255810 AMAQI
21st Jul 20255411 AMAQI
21st Jul 20255912 PMAQI
21st Jul 2025591 PMAQI
21st Jul 2025532 PMAQI
21st Jul 2025463 PMAQI
21st Jul 2025484 PMAQI
21st Jul 2025515 PMAQI
21st Jul 2025416 PMAQI
21st Jul 2025537 PMAQI
21st Jul 2025578 PMAQI
21st Jul 2025629 PMAQI
21st Jul 20256410 PMAQI
21st Jul 20256211 PMAQI
22nd Jul 20256112 AMAQI
22nd Jul 2025581 AMAQI
22nd Jul 2025582 AMAQI
22nd Jul 2025583 AMAQI
22nd Jul 2025584 AMAQI

28°C24/32°C

22nd Jul 2025585 AMAQI
22nd Jul 2025586 AMAQI
22nd Jul 2025587 AMAQI
22nd Jul 2025578 AMAQI
22nd Jul 2025539 AMAQI
22nd Jul 20255210 AMAQI
22nd Jul 20254411 AMAQI
22nd Jul 20253812 PMAQI
22nd Jul 2025351 PMAQI
22nd Jul 2025322 PMAQI
22nd Jul 2025303 PMAQI
22nd Jul 2025284 PMAQI
22nd Jul 2025325 PMAQI
22nd Jul 2025326 PMAQI
22nd Jul 2025397 PMAQI
22nd Jul 2025518 PMAQI
22nd Jul 2025529 PMAQI
22nd Jul 20255210 PMAQI
22nd Jul 20256311 PMAQI
23rd Jul 20255912 AMAQI
23rd Jul 2025581 AMAQI
23rd Jul 2025582 AMAQI
23rd Jul 2025573 AMAQI
23rd Jul 2025564 AMAQI

29°C22/35°C

23rd Jul 2025565 AMAQI
23rd Jul 2025566 AMAQI
23rd Jul 2025567 AMAQI
23rd Jul 2025558 AMAQI
23rd Jul 2025529 AMAQI
23rd Jul 20254910 AMAQI
23rd Jul 20254911 AMAQI
23rd Jul 20254712 PMAQI
23rd Jul 2025351 PMAQI
23rd Jul 2025332 PMAQI
23rd Jul 2025253 PMAQI
23rd Jul 2025374 PMAQI
23rd Jul 2025395 PMAQI
23rd Jul 2025456 PMAQI
23rd Jul 2025577 PMAQI
23rd Jul 2025568 PMAQI
23rd Jul 2025549 PMAQI
23rd Jul 20255610 PMAQI
23rd Jul 20255511 PMAQI
24th Jul 20255512 AMAQI
24th Jul 2025571 AMAQI
24th Jul 2025572 AMAQI
24th Jul 2025553 AMAQI
24th Jul 2025544 AMAQI

28°C24/32°C

24th Jul 2025545 AMAQI
24th Jul 2025546 AMAQI
24th Jul 2025557 AMAQI
24th Jul 2025298 AMAQI
24th Jul 2025209 AMAQI
24th Jul 20252810 AMAQI
24th Jul 20253011 AMAQI
24th Jul 20252912 PMAQI
24th Jul 2025351 PMAQI
24th Jul 2025292 PMAQI
24th Jul 2025283 PMAQI
24th Jul 2025264 PMAQI
24th Jul 2025225 PMAQI
24th Jul 2025226 PMAQI
24th Jul 2025337 PMAQI
24th Jul 2025518 PMAQI
24th Jul 2025509 PMAQI
24th Jul 20255310 PMAQI
24th Jul 20255211 PMAQI
25th Jul 20255312 AMAQI
25th Jul 2025541 AMAQI
25th Jul 2025542 AMAQI
25th Jul 2025533 AMAQI
25th Jul 2025524 AMAQI

28°C25/33°C

25th Jul 2025525 AMAQI
25th Jul 2025526 AMAQI
25th Jul 2025527 AMAQI
25th Jul 2025348 AMAQI
25th Jul 2025319 AMAQI
25th Jul 20252810 AMAQI
25th Jul 20252611 AMAQI
25th Jul 20252212 PMAQI
25th Jul 2025221 PMAQI
25th Jul 2025202 PMAQI
25th Jul 2025223 PMAQI
25th Jul 2025214 PMAQI
25th Jul 2025215 PMAQI
25th Jul 2025286 PMAQI
25th Jul 2025377 PMAQI
25th Jul 2025488 PMAQI
25th Jul 2025519 PMAQI
25th Jul 20255910 PMAQI
25th Jul 20256011 PMAQI
26th Jul 20255712 AMAQI
26th Jul 2025521 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025503 AMAQI
26th Jul 2025484 AMAQI

29°C24/35°C

26th Jul 2025485 AMAQI
26th Jul 2025486 AMAQI
26th Jul 2025487 AMAQI
26th Jul 2025368 AMAQI
26th Jul 2025289 AMAQI
26th Jul 20252810 AMAQI
26th Jul 20252611 AMAQI
26th Jul 20254012 PMAQI
26th Jul 2025361 PMAQI
26th Jul 2025282 PMAQI
26th Jul 2025263 PMAQI
26th Jul 2025284 PMAQI
26th Jul 2025445 PMAQI
26th Jul 2025426 PMAQI
26th Jul 2025477 PMAQI
26th Jul 2025528 PMAQI
26th Jul 2025529 PMAQI
26th Jul 20255710 PMAQI
26th Jul 20256111 PMAQI
27th Jul 20255412 AMAQI
27th Jul 2025521 AMAQI
27th Jul 2025522 AMAQI
27th Jul 2025503 AMAQI
27th Jul 2025484 AMAQI

28°C21/36°C

27th Jul 2025495 AMAQI
27th Jul 2025476 AMAQI
27th Jul 2025487 AMAQI
27th Jul 2025548 AMAQI
27th Jul 2025729 AMAQI
27th Jul 20256810 AMAQI
27th Jul 20255911 AMAQI
27th Jul 20255412 PMAQI
27th Jul 2025481 PMAQI
27th Jul 2025412 PMAQI
27th Jul 2025383 PMAQI
27th Jul 2025424 PMAQI
27th Jul 2025395 PMAQI
27th Jul 2025406 PMAQI
27th Jul 2025417 PMAQI
27th Jul 2025548 PMAQI
27th Jul 2025569 PMAQI
27th Jul 20256010 PMAQI
27th Jul 20255811 PMAQI
28th Jul 20255912 AMAQI
28th Jul 2025521 AMAQI
28th Jul 2025512 AMAQI
28th Jul 2025513 AMAQI
28th Jul 2025524 AMAQI

28°C20/35°C

28th Jul 2025525 AMAQI
28th Jul 2025526 AMAQI
28th Jul 2025527 AMAQI
28th Jul 2025548 AMAQI
28th Jul 2025559 AMAQI
28th Jul 20254610 AMAQI
28th Jul 20253611 AMAQI
28th Jul 20253212 PMAQI
28th Jul 2025341 PMAQI
28th Jul 2025302 PMAQI
28th Jul 2025303 PMAQI
28th Jul 2025314 PMAQI
28th Jul 2025245 PMAQI
28th Jul 2025386 PMAQI
28th Jul 2025417 PMAQI
28th Jul 2025528 PMAQI
28th Jul 2025569 PMAQI
28th Jul 20256010 PMAQI
28th Jul 20256111 PMAQI
29th Jul 20255912 AMAQI
29th Jul 2025521 AMAQI
29th Jul 2025522 AMAQI
29th Jul 2025513 AMAQI
29th Jul 2025514 AMAQI

28°C20/35°C

29th Jul 2025515 AMAQI
29th Jul 2025526 AMAQI
29th Jul 2025527 AMAQI
29th Jul 2025558 AMAQI
29th Jul 2025519 AMAQI
29th Jul 20254410 AMAQI
29th Jul 20255311 AMAQI
29th Jul 20255412 PMAQI
29th Jul 2025621 PMAQI
29th Jul 2025542 PMAQI
29th Jul 2025583 PMAQI
29th Jul 2025534 PMAQI
29th Jul 2025465 PMAQI
29th Jul 2025546 PMAQI
29th Jul 2025527 PMAQI
29th Jul 2025568 PMAQI
29th Jul 2025599 PMAQI
29th Jul 20256010 PMAQI
29th Jul 20255911 PMAQI
30th Jul 20255612 AMAQI
30th Jul 2025531 AMAQI
30th Jul 2025522 AMAQI
30th Jul 2025523 AMAQI
30th Jul 2025524 AMAQI

28°C21/36°C

30th Jul 2025525 AMAQI
30th Jul 2025526 AMAQI
30th Jul 2025527 AMAQI
30th Jul 2025498 AMAQI
30th Jul 2025489 AMAQI
30th Jul 20254310 AMAQI
30th Jul 20255211 AMAQI
30th Jul 20254712 PMAQI
30th Jul 2025351 PMAQI
30th Jul 2025392 PMAQI
30th Jul 2025433 PMAQI
30th Jul 2025424 PMAQI
30th Jul 2025385 PMAQI
30th Jul 2025506 PMAQI
30th Jul 2025537 PMAQI
30th Jul 2025568 PMAQI
30th Jul 2025599 PMAQI
30th Jul 20255910 PMAQI
30th Jul 20255511 PMAQI
31st Jul 20255512 AMAQI
31st Jul 2025521 AMAQI
31st Jul 2025532 AMAQI
31st Jul 2025543 AMAQI
31st Jul 2025544 AMAQI

29°C22/36°C

31st Jul 2025545 AMAQI
31st Jul 2025546 AMAQI
31st Jul 2025547 AMAQI
31st Jul 2025548 AMAQI
31st Jul 2025549 AMAQI
31st Jul 20255610 AMAQI
31st Jul 20256211 AMAQI
31st Jul 20255412 PMAQI
31st Jul 2025461 PMAQI
31st Jul 2025402 PMAQI
31st Jul 2025443 PMAQI
31st Jul 2025444 PMAQI
31st Jul 2025465 PMAQI
31st Jul 2025406 PMAQI
31st Jul 2025507 PMAQI
31st Jul 2025598 PMAQI
31st Jul 2025609 PMAQI
31st Jul 20256410 PMAQI
31st Jul 20256811 PMAQI
1st Aug 20256812 AMAQI
1st Aug 2025541 AMAQI
1st Aug 2025552 AMAQI
1st Aug 2025553 AMAQI
1st Aug 2025544 AMAQI

29°C22/36°C

1st Aug 2025555 AMAQI
1st Aug 2025556 AMAQI
1st Aug 2025547 AMAQI
1st Aug 2025668 AMAQI
1st Aug 2025629 AMAQI
1st Aug 20256910 AMAQI
1st Aug 20256811 AMAQI
1st Aug 20256012 PMAQI
1st Aug 2025541 PMAQI
1st Aug 2025532 PMAQI
1st Aug 2025503 PMAQI
1st Aug 2025544 PMAQI
1st Aug 2025565 PMAQI
1st Aug 2025586 PMAQI
1st Aug 2025597 PMAQI
1st Aug 2025598 PMAQI
1st Aug 2025659 PMAQI
1st Aug 20256610 PMAQI
1st Aug 20256611 PMAQI
2nd Aug 20256412 AMAQI
2nd Aug 2025561 AMAQI
2nd Aug 2025562 AMAQI
2nd Aug 2025583 AMAQI
2nd Aug 2025584 AMAQI

29°C21/36°C

2nd Aug 2025585 AMAQI
2nd Aug 2025586 AMAQI
2nd Aug 2025587 AMAQI
2nd Aug 2025578 AMAQI
2nd Aug 2025599 AMAQI
2nd Aug 20255310 AMAQI
2nd Aug 20254611 AMAQI
2nd Aug 20254412 PMAQI
2nd Aug 2025531 PMAQI
2nd Aug 2025502 PMAQI
2nd Aug 2025463 PMAQI
2nd Aug 2025444 PMAQI
2nd Aug 2025505 PMAQI
2nd Aug 2025536 PMAQI
2nd Aug 2025567 PMAQI
2nd Aug 2025608 PMAQI
2nd Aug 2025649 PMAQI
2nd Aug 20256310 PMAQI
2nd Aug 20256511 PMAQI
3rd Aug 20256012 AMAQI
3rd Aug 2025591 AMAQI
3rd Aug 2025582 AMAQI
3rd Aug 2025593 AMAQI
3rd Aug 2025584 AMAQI

30°C23/36°C

3rd Aug 2025575 AMAQI
3rd Aug 2025576 AMAQI
3rd Aug 2025577 AMAQI
3rd Aug 2025668 AMAQI
3rd Aug 2025699 AMAQI
3rd Aug 20255610 AMAQI
3rd Aug 20255211 AMAQI
3rd Aug 20254612 PMAQI
3rd Aug 2025441 PMAQI
3rd Aug 2025442 PMAQI
3rd Aug 2025433 PMAQI
3rd Aug 2025504 PMAQI
3rd Aug 2025575 PMAQI
3rd Aug 2025546 PMAQI
3rd Aug 2025567 PMAQI
3rd Aug 2025588 PMAQI
3rd Aug 2025629 PMAQI
3rd Aug 20257010 PMAQI
3rd Aug 20256811 PMAQI
4th Aug 20256412 AMAQI
4th Aug 2025581 AMAQI
4th Aug 2025582 AMAQI
4th Aug 2025583 AMAQI
4th Aug 2025584 AMAQI

30°C24/37°C

4th Aug 2025585 AMAQI
4th Aug 2025596 AMAQI
4th Aug 2025597 AMAQI
4th Aug 2025728 AMAQI
4th Aug 2025689 AMAQI
4th Aug 20256210 AMAQI
4th Aug 20255611 AMAQI
4th Aug 20255612 PMAQI
4th Aug 2025561 PMAQI
4th Aug 2025622 PMAQI
4th Aug 2025543 PMAQI
4th Aug 2025454 PMAQI
4th Aug 2025595 PMAQI
4th Aug 2025576 PMAQI
4th Aug 2025597 PMAQI
4th Aug 2025608 PMAQI
4th Aug 2025659 PMAQI
4th Aug 20256910 PMAQI
4th Aug 20256811 PMAQI
5th Aug 20256812 AMAQI
5th Aug 2025601 AMAQI
5th Aug 2025582 AMAQI
5th Aug 2025603 AMAQI
5th Aug 2025604 AMAQI

31°C24/38°C

5th Aug 2025605 AMAQI
5th Aug 2025606 AMAQI
5th Aug 2025607 AMAQI
5th Aug 2025608 AMAQI
5th Aug 2025609 AMAQI
5th Aug 20255710 AMAQI
5th Aug 20254811 AMAQI
5th Aug 20255212 PMAQI
5th Aug 2025501 PMAQI
5th Aug 2025522 PMAQI
5th Aug 2025493 PMAQI
5th Aug 2025564 PMAQI
5th Aug 2025585 PMAQI
5th Aug 2025586 PMAQI
5th Aug 2025617 PMAQI
5th Aug 2025648 PMAQI
5th Aug 2025679 PMAQI
5th Aug 20257310 PMAQI
5th Aug 20257111 PMAQI
6th Aug 20256412 AMAQI
6th Aug 2025601 AMAQI
6th Aug 2025612 AMAQI
6th Aug 2025613 AMAQI
6th Aug 2025604 AMAQI

30°C23/37°C

6th Aug 2025605 AMAQI
6th Aug 2025626 AMAQI
6th Aug 2025617 AMAQI
6th Aug 2025588 AMAQI
6th Aug 2025579 AMAQI
6th Aug 20255310 AMAQI
6th Aug 20254711 AMAQI
6th Aug 20254712 PMAQI
6th Aug 2025421 PMAQI
6th Aug 2025422 PMAQI
6th Aug 2025503 PMAQI
6th Aug 2025444 PMAQI
6th Aug 2025425 PMAQI
6th Aug 2025406 PMAQI
6th Aug 2025527 PMAQI
6th Aug 2025638 PMAQI
6th Aug 2025659 PMAQI
6th Aug 20256610 PMAQI
6th Aug 20256611 PMAQI
7th Aug 20256512 AMAQI
7th Aug 2025621 AMAQI
7th Aug 2025622 AMAQI
7th Aug 2025603 AMAQI
7th Aug 2025624 AMAQI

27°C23/31°C

7th Aug 2025605 AMAQI
5 AM
7th Aug 2025626 AMAQI
7th Aug 2025617 AMAQI
7th Aug 2025518 AMAQI
7th Aug 2025599 AMAQI
7th Aug 20255410 AMAQI
7th Aug 20255011 AMAQI
7th Aug 20254012 PMAQI
12 PM
7th Aug 2025461 PMAQI
7th Aug 2025342 PMAQI
7 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 9 AM

56AQI

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

47AQI

8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 9 AM (Avg. 56), while the lowest AQI was between 11 AM to 6 PM (Avg. 47).
Night time
Avg. Highest Time
8 PM - 11 PM

61AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
1 AM - 4 AM

57AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 11 PM (Avg. 61), while the lowest AQI was between 1 AM to 4 AM (Avg. 57).

2025 Days Vs Air Quality

Baian Dam, Sanzhou, Chongqing, China

2025

9%

19

57%

125

27%

59

7%

15

Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)

Good
19 Days
Moderate
125 Days
Poor
59 Days
Unhealthy
15 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 9%

Health Risk Level:

Extreme

In 2025, 9% of 219 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

Baian Dam, Sanzhou, Chongqing, 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
171AQI
2nd January 2025
172AQI
3rd January 2025
176AQI
4th January 2025
173AQI
5th January 2025
127AQI
6th January 2025
149AQI
7th January 2025
131AQI
8th January 2025
135AQI
9th January 2025
118AQI
10th January 2025
127AQI
11th January 2025
134AQI
12th January 2025
140AQI
13th January 2025
148AQI
14th January 2025
152AQI
15th January 2025
127AQI
16th January 2025
139AQI
17th January 2025
134AQI
18th January 2025
149AQI
19th January 2025
157AQI
20th January 2025
168AQI
21st January 2025
174AQI
22nd January 2025
193AQI
23rd January 2025
185AQI
24th January 2025
164AQI
25th January 2025
100AQI
26th January 2025
99AQI
27th January 2025
105AQI
28th January 2025
114AQI
29th January 2025
142AQI
30th January 2025
139AQI
31st January 2025
157AQI
1st February 2025
106AQI
2nd February 2025
99AQI
3rd February 2025
92AQI
4th February 2025
99AQI
5th February 2025
91AQI
6th February 2025
90AQI
7th February 2025
86AQI
8th February 2025
85AQI
9th February 2025
89AQI
10th February 2025
99AQI
11th February 2025
130AQI
12th February 2025
99AQI
13th February 2025
107AQI
14th February 2025
98AQI
15th February 2025
102AQI
16th February 2025
105AQI
17th February 2025
95AQI
18th February 2025
93AQI
19th February 2025
98AQI
20th February 2025
108AQI
21st February 2025
102AQI
22nd February 2025
99AQI
23rd February 2025
86AQI
24th February 2025
107AQI
25th February 2025
102AQI
26th February 2025
120AQI
27th February 2025
106AQI
28th February 2025
133AQI
1st March 2025
112AQI
2nd March 2025
149AQI
3rd March 2025
80AQI
4th March 2025
81AQI
5th March 2025
65AQI
6th March 2025
70AQI
7th March 2025
73AQI
8th March 2025
85AQI
9th March 2025
99AQI
10th March 2025
95AQI
11th March 2025
104AQI
12th March 2025
109AQI
13th March 2025
99AQI
14th March 2025
96AQI
15th March 2025
74AQI
16th March 2025
73AQI
17th March 2025
70AQI
18th March 2025
79AQI
19th March 2025
94AQI
20th March 2025
91AQI
21st March 2025
114AQI
22nd March 2025
132AQI
23rd March 2025
129AQI
24th March 2025
126AQI
25th March 2025
104AQI
26th March 2025
103AQI
27th March 2025
125AQI
28th March 2025
90AQI
29th March 2025
91AQI
30th March 2025
79AQI
31st March 2025
86AQI
1st April 2025
88AQI
2nd April 2025
109AQI
3rd April 2025
105AQI
4th April 2025
106AQI
5th April 2025
108AQI
6th April 2025
125AQI
7th April 2025
110AQI
8th April 2025
101AQI
9th April 2025
103AQI
10th April 2025
86AQI
11th April 2025
82AQI
12th April 2025
187AQI
13th April 2025
195AQI
14th April 2025
157AQI
15th April 2025
143AQI
16th April 2025
132AQI
17th April 2025
128AQI
18th April 2025
114AQI
19th April 2025
101AQI
20th April 2025
84AQI
21st April 2025
82AQI
22nd April 2025
95AQI
23rd April 2025
90AQI
24th April 2025
87AQI
25th April 2025
91AQI
26th April 2025
89AQI
27th April 2025
87AQI
28th April 2025
92AQI
29th April 2025
86AQI
30th April 2025
80AQI
1st May 2025
86AQI
2nd May 2025
100AQI
3rd May 2025
95AQI
4th May 2025
83AQI
5th May 2025
82AQI
6th May 2025
93AQI
7th May 2025
90AQI
8th May 2025
79AQI
9th May 2025
88AQI
10th May 2025
93AQI
11th May 2025
92AQI
12th May 2025
96AQI
13th May 2025
96AQI
14th May 2025
104AQI
15th May 2025
108AQI
16th May 2025
100AQI
17th May 2025
128AQI
18th May 2025
98AQI
19th May 2025
119AQI
20th May 2025
107AQI
21st May 2025
101AQI
22nd May 2025
75AQI
23rd May 2025
90AQI
24th May 2025
95AQI
25th May 2025
91AQI
26th May 2025
86AQI
27th May 2025
83AQI
28th May 2025
75AQI
29th May 2025
73AQI
30th May 2025
74AQI
31st May 2025
62AQI
1st June 2025
57AQI
2nd June 2025
58AQI
3rd June 2025
65AQI
4th June 2025
84AQI
5th June 2025
71AQI
6th June 2025
77AQI
7th June 2025
73AQI
8th June 2025
62AQI
9th June 2025
66AQI
10th June 2025
72AQI
11th June 2025
69AQI
12th June 2025
71AQI
13th June 2025
75AQI
14th June 2025
70AQI
15th June 2025
76AQI
16th June 2025
73AQI
17th June 2025
68AQI
18th June 2025
61AQI
19th June 2025
54AQI
20th June 2025
59AQI
21st June 2025
51AQI
22nd June 2025
43AQI
23rd June 2025
44AQI
24th June 2025
49AQI
25th June 2025
54AQI
26th June 2025
49AQI
27th June 2025
47AQI
28th June 2025
49AQI
29th June 2025
48AQI
30th June 2025
52AQI
1st July 2025
48AQI
2nd July 2025
38AQI
3rd July 2025
42AQI
4th July 2025
44AQI
5th July 2025
41AQI
6th July 2025
57AQI
7th July 2025
50AQI
8th July 2025
54AQI
9th July 2025
54AQI
10th July 2025
53AQI
11th July 2025
53AQI
12th July 2025
58AQI
13th July 2025
61AQI
14th July 2025
62AQI
15th July 2025
61AQI
16th July 2025
61AQI
17th July 2025
63AQI
18th July 2025
59AQI
19th July 2025
55AQI
20th July 2025
55AQI
21st July 2025
57AQI
22nd July 2025
49AQI
23rd July 2025
51AQI
24th July 2025
42AQI
25th July 2025
41AQI
26th July 2025
45AQI
27th July 2025
51AQI
28th July 2025
47AQI
29th July 2025
54AQI
30th July 2025
50AQI
31st July 2025
53AQI
1st August 2025
59AQI
2nd August 2025
56AQI
3rd August 2025
57AQI
4th August 2025
60AQI
5th August 2025
60AQI
6th August 2025
57AQI

145AQI

101AQI

96AQI

108AQI

92AQI

62AQI

52AQI

58AQI

No. of days

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

202593AQI

2
17
12
16
12
20
11
14
13
3
25
6
7
23
12
19
6
19
125
59
15

Highest AQI recorded in

January

145AQI

Lowest AQI recorded in

July

52AQI

202489AQI

10
13
8
17
11
1
11
18
2
30
1
28
2
5
25
17
14
29
2
1
26
3
3
19
9
1
19
10
6
15
10
28
234
83
21

Highest AQI recorded in

December

132AQI

Lowest AQI recorded in

July

51AQI

202391AQI

3
9
18
1
7
15
6
5
17
7
2
4
22
4
1
23
7
4
24
2
8
23
9
22
11
14
5
5
20
6
17
9
3
1
8
13
9
48
200
77
38
1

Highest AQI recorded in

January

153AQI

Lowest AQI recorded in

July

58AQI

202284AQI

3
11
14
3
1
18
2
2
4
18
9
7
20
3
8
23
16
14
12
12
1
6
13
10
4
16
8
3
3
16
11
4
12
14
1
65
165
69
22
1

Highest AQI recorded in

December

142AQI

Lowest AQI recorded in

August

38AQI

202188AQI

2
17
12
8
13
7
1
26
4
5
23
2
3
23
5
7
18
5
14
17
18
12
1
5
24
1
8
20
3
13
12
5
6
15
10
61
192
78
34

Highest AQI recorded in

January

142AQI

Lowest AQI recorded in

August

49AQI

202077AQI

1
4
8
1
11
8
1
1
14
3
16
14
22
9
14
16
1
9
19
1
1
8
14
8
1
16
11
3
10
14
5
2
72
127
54
11
2

Highest AQI recorded in

December

121AQI

Lowest AQI recorded in

July

46AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
93AQI
Least Polluted Year Recorded
2020(Avg.)
77AQI

Baian Dam's annual 2025 AQI (93) shows an average percentage change of 8.3% (worsened AQI) compared to previous years: 2020 (77), 2021 (88), 2022 (84), 2023 (91), 2024 (89).