Country Background

Analyse Historique de la Qualité de l'Air à Zichang County Environmental Protection Bureau, Yanan, Shaanxi, China

Plongez dans des détails sur la qualité de l'air avec des données historiques, des tendances mensuelles et annuelles à portée de main !

Bon
050
Modéré
100
Pauvre
150
Non sain
200
Sévère
300
Dangereux
301+

Analyse de la qualité de l'air de Août

Zichang County Environmental Protection Bureau, Yanan, Shaanxi, China

2022
2023
2024
2025
AQI
.
Jours

Tendances AQI : Le plus élevé et le plus bas

AQI le plus élevé enregistré le
17th Aug 2023
125AQI
AQI le plus bas enregistré le
8th Aug 2024
34AQI


Analyse du même jour (3rd August ):
Ce jour-là, l'AQI au cours des 4 années a varié de manière significative : 2025 se classe 1st le plus élevé AQI à 63 de Modéré qualité de l'air le même jour.

Télécharger les données annuelles 2024

Rapport mondial sur la qualité de l'air

Globe

Tendance AQI Jour & Nuit : 3rd Aug - 4th Aug 2025

Zichang County Environmental Protection Bureau, Yanan, Shaanxi, China

AQI
Jour
Nuit
.

5 AM3rd Aug 2025

7 PM

4 AM4th Aug 2025

Heure du jour
Heure moyenne la plus haute
9AM3rd Aug

72AQI

Heure moyenne la plus basse
3PM3rd Aug

61AQI

Heure de la nuit
Heure moyenne la plus haute
10PM3rd Aug

66AQI

Heure moyenne la plus basse
2AM4th Aug

61AQI

Au cours des 24 dernières heures,

L'AQI de Zichang County Environmental Protection Bureau a atteint son point le plus élevé de 72 à 9 AM pendant le Jour, tandis que le point le plus bas, 61, a été enregistré à 2 AM pendant le Nuit entre 3rd Aug et 4th Aug 2025.

Tendance AQI Jour & Nuit : Jul - Aug 2025

Zichang County Environmental Protection Bureau, Yanan, Shaanxi, China

JulAug
05th - 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 - 03rd03rd - 04th04th
Jour
Nuit
5th Jul 2025575 AMAQI
5th Jul 2025576 AMAQI
5th Jul 2025567 AMAQI
5th Jul 2025548 AMAQI
5th Jul 2025529 AMAQI
5th Jul 20253710 AMAQI
5th Jul 20253211 AMAQI
5th Jul 20253912 PMAQI
5th Jul 2025391 PMAQI
5th Jul 2025352 PMAQI
5th Jul 2025303 PMAQI
5th Jul 2025354 PMAQI
5th Jul 2025415 PMAQI
5th Jul 2025406 PMAQI
5th Jul 2025457 PMAQI
5th Jul 2025528 PMAQI
5th Jul 2025549 PMAQI
5th Jul 20255510 PMAQI
5th Jul 20255611 PMAQI
6th Jul 20255812 AMAQI
6th Jul 2025561 AMAQI
6th Jul 2025562 AMAQI
6th Jul 2025553 AMAQI
6th Jul 2025554 AMAQI

22°C18/27°C

6th Jul 2025555 AMAQI
6th Jul 2025546 AMAQI
6th Jul 2025547 AMAQI
6th Jul 2025558 AMAQI
6th Jul 2025609 AMAQI
6th Jul 20255510 AMAQI
6th Jul 20255011 AMAQI
6th Jul 20254612 PMAQI
6th Jul 2025491 PMAQI
6th Jul 2025482 PMAQI
6th Jul 2025483 PMAQI
6th Jul 2025524 PMAQI
6th Jul 2025495 PMAQI
6th Jul 2025456 PMAQI
6th Jul 2025507 PMAQI
6th Jul 2025548 PMAQI
6th Jul 2025569 PMAQI
6th Jul 20255710 PMAQI
6th Jul 20255811 PMAQI
7th Jul 20255712 AMAQI
7th Jul 2025561 AMAQI
7th Jul 2025542 AMAQI
7th Jul 2025553 AMAQI
7th Jul 2025544 AMAQI

23°C21/27°C

7th Jul 2025555 AMAQI
7th Jul 2025546 AMAQI
7th Jul 2025547 AMAQI
7th Jul 2025558 AMAQI
7th Jul 2025579 AMAQI
7th Jul 20256210 AMAQI
7th Jul 20255311 AMAQI
7th Jul 20255512 PMAQI
7th Jul 2025531 PMAQI
7th Jul 2025462 PMAQI
7th Jul 2025533 PMAQI
7th Jul 2025424 PMAQI
7th Jul 2025495 PMAQI
7th Jul 2025456 PMAQI
7th Jul 2025507 PMAQI
7th Jul 2025528 PMAQI
7th Jul 2025559 PMAQI
7th Jul 20255610 PMAQI
7th Jul 20255511 PMAQI
8th Jul 20255512 AMAQI
8th Jul 2025541 AMAQI
8th Jul 2025542 AMAQI
8th Jul 2025553 AMAQI
8th Jul 2025554 AMAQI

23°C19/28°C

8th Jul 2025555 AMAQI
8th Jul 2025556 AMAQI
8th Jul 2025557 AMAQI
8th Jul 2025608 AMAQI
8th Jul 2025549 AMAQI
8th Jul 20255210 AMAQI
8th Jul 20254411 AMAQI
8th Jul 20254512 PMAQI
8th Jul 2025441 PMAQI
8th Jul 2025342 PMAQI
8th Jul 2025303 PMAQI
8th Jul 2025294 PMAQI
8th Jul 2025405 PMAQI
8th Jul 2025386 PMAQI
8th Jul 2025467 PMAQI
8th Jul 2025528 PMAQI
8th Jul 2025549 PMAQI
8th Jul 20255410 PMAQI
8th Jul 20255411 PMAQI
9th Jul 20255612 AMAQI
9th Jul 2025551 AMAQI
9th Jul 2025552 AMAQI
9th Jul 2025553 AMAQI
9th Jul 2025544 AMAQI

23°C21/26°C

9th Jul 2025545 AMAQI
9th Jul 2025546 AMAQI
9th Jul 2025547 AMAQI
9th Jul 2025698 AMAQI
9th Jul 2025639 AMAQI
9th Jul 20255810 AMAQI
9th Jul 20254311 AMAQI
9th Jul 20254312 PMAQI
9th Jul 2025441 PMAQI
9th Jul 2025422 PMAQI
9th Jul 2025423 PMAQI
9th Jul 2025404 PMAQI
9th Jul 2025505 PMAQI
9th Jul 2025486 PMAQI
9th Jul 2025557 PMAQI
9th Jul 2025568 PMAQI
9th Jul 2025579 PMAQI
9th Jul 20255810 PMAQI
9th Jul 20256011 PMAQI
10th Jul 20256012 AMAQI
10th Jul 2025551 AMAQI
10th Jul 2025552 AMAQI
10th Jul 2025553 AMAQI
10th Jul 2025554 AMAQI

22°C20/25°C

10th Jul 2025565 AMAQI
10th Jul 2025556 AMAQI
10th Jul 2025557 AMAQI
10th Jul 2025768 AMAQI
10th Jul 2025879 AMAQI
10th Jul 20257910 AMAQI
10th Jul 20257311 AMAQI
10th Jul 20256612 PMAQI
10th Jul 2025651 PMAQI
10th Jul 2025592 PMAQI
10th Jul 2025583 PMAQI
10th Jul 2025554 PMAQI
10th Jul 2025565 PMAQI
10th Jul 2025556 PMAQI
10th Jul 2025547 PMAQI
10th Jul 2025608 PMAQI
10th Jul 2025609 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255711 PMAQI
11th Jul 20255812 AMAQI
11th Jul 2025571 AMAQI
11th Jul 2025562 AMAQI
11th Jul 2025573 AMAQI
11th Jul 2025594 AMAQI

24°C20/28°C

11th Jul 2025595 AMAQI
11th Jul 2025606 AMAQI
11th Jul 2025587 AMAQI
11th Jul 2025678 AMAQI
11th Jul 2025769 AMAQI
11th Jul 20259010 AMAQI
11th Jul 20259611 AMAQI
11th Jul 20258912 PMAQI
11th Jul 2025861 PMAQI
11th Jul 2025802 PMAQI
11th Jul 2025943 PMAQI
11th Jul 2025794 PMAQI
11th Jul 2025725 PMAQI
11th Jul 2025706 PMAQI
11th Jul 2025667 PMAQI
11th Jul 2025648 PMAQI
11th Jul 2025649 PMAQI
11th Jul 20256510 PMAQI
11th Jul 20256611 PMAQI
12th Jul 20256512 AMAQI
12th Jul 2025601 AMAQI
12th Jul 2025582 AMAQI
12th Jul 2025603 AMAQI
12th Jul 2025634 AMAQI

25°C21/29°C

12th Jul 2025625 AMAQI
12th Jul 2025626 AMAQI
12th Jul 2025627 AMAQI
12th Jul 2025888 AMAQI
12th Jul 20251029 AMAQI
12th Jul 202510010 AMAQI
12th Jul 20259811 AMAQI
12th Jul 20259012 PMAQI
12th Jul 2025861 PMAQI
12th Jul 2025852 PMAQI
12th Jul 2025863 PMAQI
12th Jul 2025804 PMAQI
12th Jul 2025785 PMAQI
12th Jul 2025806 PMAQI
12th Jul 2025767 PMAQI
12th Jul 2025698 PMAQI
12th Jul 2025689 PMAQI
12th Jul 20256910 PMAQI
12th Jul 20257011 PMAQI
13th Jul 20257212 AMAQI
13th Jul 2025641 AMAQI
13th Jul 2025622 AMAQI
13th Jul 2025643 AMAQI
13th Jul 2025664 AMAQI

25°C21/30°C

13th Jul 2025665 AMAQI
13th Jul 2025676 AMAQI
13th Jul 2025667 AMAQI
13th Jul 2025828 AMAQI
13th Jul 2025849 AMAQI
13th Jul 20259010 AMAQI
13th Jul 20258711 AMAQI
13th Jul 20258112 PMAQI
13th Jul 2025801 PMAQI
13th Jul 2025762 PMAQI
13th Jul 2025763 PMAQI
13th Jul 2025734 PMAQI
13th Jul 2025725 PMAQI
13th Jul 2025696 PMAQI
13th Jul 2025687 PMAQI
13th Jul 2025678 PMAQI
13th Jul 2025669 PMAQI
13th Jul 20256810 PMAQI
13th Jul 20256811 PMAQI
14th Jul 20257012 AMAQI
14th Jul 2025681 AMAQI
14th Jul 2025642 AMAQI
14th Jul 2025653 AMAQI
14th Jul 2025674 AMAQI

27°C23/31°C

14th Jul 2025685 AMAQI
14th Jul 2025686 AMAQI
14th Jul 2025687 AMAQI
14th Jul 2025728 AMAQI
14th Jul 2025769 AMAQI
14th Jul 20257210 AMAQI
14th Jul 20257211 AMAQI
14th Jul 20257012 PMAQI
14th Jul 2025701 PMAQI
14th Jul 2025672 PMAQI
14th Jul 2025643 PMAQI
14th Jul 2025654 PMAQI
14th Jul 2025665 PMAQI
14th Jul 2025666 PMAQI
14th Jul 2025687 PMAQI
14th Jul 2025678 PMAQI
14th Jul 2025679 PMAQI
14th Jul 20256810 PMAQI
14th Jul 20257311 PMAQI
15th Jul 20257412 AMAQI
15th Jul 2025661 AMAQI
15th Jul 2025672 AMAQI
15th Jul 2025673 AMAQI
15th Jul 2025684 AMAQI

28°C24/33°C

15th Jul 2025685 AMAQI
15th Jul 2025686 AMAQI
15th Jul 2025687 AMAQI
15th Jul 2025718 AMAQI
15th Jul 2025749 AMAQI
15th Jul 20257410 AMAQI
15th Jul 20257211 AMAQI
15th Jul 20257112 PMAQI
15th Jul 2025701 PMAQI
15th Jul 2025682 PMAQI
15th Jul 2025653 PMAQI
15th Jul 2025674 PMAQI
15th Jul 2025665 PMAQI
15th Jul 2025696 PMAQI
15th Jul 2025717 PMAQI
15th Jul 2025718 PMAQI
15th Jul 2025709 PMAQI
15th Jul 20256810 PMAQI
15th Jul 20256611 PMAQI
16th Jul 20256612 AMAQI
16th Jul 2025661 AMAQI
16th Jul 2025672 AMAQI
16th Jul 2025683 AMAQI
16th Jul 2025684 AMAQI

31°C25/36°C

16th Jul 2025685 AMAQI
16th Jul 2025686 AMAQI
16th Jul 2025697 AMAQI
16th Jul 2025608 AMAQI
16th Jul 2025589 AMAQI
16th Jul 20255410 AMAQI
16th Jul 20255311 AMAQI
16th Jul 20254612 PMAQI
16th Jul 2025401 PMAQI
16th Jul 2025352 PMAQI
16th Jul 2025383 PMAQI
16th Jul 2025344 PMAQI
16th Jul 2025385 PMAQI
16th Jul 2025366 PMAQI
16th Jul 2025487 PMAQI
16th Jul 2025608 PMAQI
16th Jul 2025609 PMAQI
16th Jul 20256010 PMAQI
16th Jul 20255911 PMAQI
17th Jul 20256012 AMAQI
17th Jul 2025641 AMAQI
17th Jul 2025642 AMAQI
17th Jul 2025643 AMAQI
17th Jul 2025634 AMAQI

28°C24/31°C

17th Jul 2025635 AMAQI
17th Jul 2025636 AMAQI
17th Jul 2025647 AMAQI
17th Jul 2025558 AMAQI
17th Jul 2025549 AMAQI
17th Jul 20255210 AMAQI
17th Jul 20255211 AMAQI
17th Jul 20255012 PMAQI
17th Jul 2025481 PMAQI
17th Jul 2025452 PMAQI
17th Jul 2025433 PMAQI
17th Jul 2025464 PMAQI
17th Jul 2025485 PMAQI
17th Jul 2025486 PMAQI
17th Jul 2025537 PMAQI
17th Jul 2025608 PMAQI
17th Jul 2025609 PMAQI
17th Jul 20256010 PMAQI
17th Jul 20256011 PMAQI
18th Jul 20256112 AMAQI
18th Jul 2025631 AMAQI
18th Jul 2025622 AMAQI
18th Jul 2025623 AMAQI
18th Jul 2025614 AMAQI

28°C23/33°C

18th Jul 2025625 AMAQI
18th Jul 2025616 AMAQI
18th Jul 2025617 AMAQI
18th Jul 2025578 AMAQI
18th Jul 2025599 AMAQI
18th Jul 20256210 AMAQI
18th Jul 20256911 AMAQI
18th Jul 20256812 PMAQI
18th Jul 2025681 PMAQI
18th Jul 2025662 PMAQI
18th Jul 2025623 PMAQI
18th Jul 2025644 PMAQI
18th Jul 2025635 PMAQI
18th Jul 2025666 PMAQI
18th Jul 2025687 PMAQI
18th Jul 2025668 PMAQI
18th Jul 2025669 PMAQI
18th Jul 20256410 PMAQI
18th Jul 20256611 PMAQI
19th Jul 20256612 AMAQI
19th Jul 2025631 AMAQI
19th Jul 2025622 AMAQI
19th Jul 2025623 AMAQI
19th Jul 2025624 AMAQI

28°C24/32°C

19th Jul 2025625 AMAQI
19th Jul 2025636 AMAQI
19th Jul 2025627 AMAQI
19th Jul 2025728 AMAQI
19th Jul 2025759 AMAQI
19th Jul 20257310 AMAQI
19th Jul 20257211 AMAQI
19th Jul 20257212 PMAQI
19th Jul 2025671 PMAQI
19th Jul 2025612 PMAQI
19th Jul 2025683 PMAQI
19th Jul 2025724 PMAQI
19th Jul 2025625 PMAQI
19th Jul 2025586 PMAQI
19th Jul 2025627 PMAQI
19th Jul 2025638 PMAQI
19th Jul 2025649 PMAQI
19th Jul 20256210 PMAQI
19th Jul 20256111 PMAQI
20th Jul 20255812 AMAQI
20th Jul 2025621 AMAQI
20th Jul 2025632 AMAQI
20th Jul 2025643 AMAQI
20th Jul 2025644 AMAQI

25°C23/28°C

20th Jul 2025645 AMAQI
20th Jul 2025646 AMAQI
20th Jul 2025647 AMAQI
20th Jul 2025518 AMAQI
20th Jul 2025429 AMAQI
20th Jul 20254810 AMAQI
20th Jul 20254611 AMAQI
20th Jul 20254612 PMAQI
20th Jul 2025441 PMAQI
20th Jul 2025432 PMAQI
20th Jul 2025443 PMAQI
20th Jul 2025444 PMAQI
20th Jul 2025475 PMAQI
20th Jul 2025396 PMAQI
20th Jul 2025447 PMAQI
20th Jul 2025568 PMAQI
20th Jul 2025579 PMAQI
20th Jul 20255710 PMAQI
20th Jul 20255811 PMAQI
21st Jul 20255912 AMAQI
21st Jul 2025621 AMAQI
21st Jul 2025632 AMAQI
21st Jul 2025623 AMAQI
21st Jul 2025604 AMAQI

25°C22/29°C

21st Jul 2025615 AMAQI
21st Jul 2025606 AMAQI
21st Jul 2025617 AMAQI
21st Jul 2025588 AMAQI
21st Jul 2025619 AMAQI
21st Jul 20256210 AMAQI
21st Jul 20254911 AMAQI
21st Jul 20254612 PMAQI
21st Jul 2025501 PMAQI
21st Jul 2025462 PMAQI
21st Jul 2025503 PMAQI
21st Jul 2025484 PMAQI
21st Jul 2025505 PMAQI
21st Jul 2025526 PMAQI
21st Jul 2025557 PMAQI
21st Jul 2025588 PMAQI
21st Jul 2025609 PMAQI
21st Jul 20255810 PMAQI
21st Jul 20256011 PMAQI
22nd Jul 20255712 AMAQI
22nd Jul 2025611 AMAQI
22nd Jul 2025602 AMAQI
22nd Jul 2025603 AMAQI
22nd Jul 2025594 AMAQI

25°C21/29°C

22nd Jul 2025605 AMAQI
22nd Jul 2025596 AMAQI
22nd Jul 2025597 AMAQI
22nd Jul 2025628 AMAQI
22nd Jul 2025669 AMAQI
22nd Jul 20257810 AMAQI
22nd Jul 20257611 AMAQI
22nd Jul 20256912 PMAQI
22nd Jul 2025701 PMAQI
22nd Jul 2025702 PMAQI
22nd Jul 2025663 PMAQI
22nd Jul 2025654 PMAQI
22nd Jul 2025605 PMAQI
22nd Jul 2025606 PMAQI
22nd Jul 2025607 PMAQI
22nd Jul 2025588 PMAQI
22nd Jul 2025609 PMAQI
22nd Jul 20256210 PMAQI
22nd Jul 20256211 PMAQI
23rd Jul 20256412 AMAQI
23rd Jul 2025611 AMAQI
23rd Jul 2025602 AMAQI
23rd Jul 2025603 AMAQI
23rd Jul 2025624 AMAQI

25°C21/28°C

23rd Jul 2025615 AMAQI
23rd Jul 2025626 AMAQI
23rd Jul 2025627 AMAQI
23rd Jul 2025668 AMAQI
23rd Jul 2025669 AMAQI
23rd Jul 20256210 AMAQI
23rd Jul 20255911 AMAQI
23rd Jul 20255212 PMAQI
23rd Jul 2025531 PMAQI
23rd Jul 2025452 PMAQI
23rd Jul 2025443 PMAQI
23rd Jul 2025544 PMAQI
23rd Jul 2025435 PMAQI
23rd Jul 2025486 PMAQI
23rd Jul 2025547 PMAQI
23rd Jul 2025548 PMAQI
23rd Jul 2025579 PMAQI
23rd Jul 20255810 PMAQI
23rd Jul 20255811 PMAQI
24th Jul 20255612 AMAQI
24th Jul 2025591 AMAQI
24th Jul 2025602 AMAQI
24th Jul 2025603 AMAQI
24th Jul 2025614 AMAQI

24°C21/28°C

24th Jul 2025605 AMAQI
24th Jul 2025616 AMAQI
24th Jul 2025617 AMAQI
24th Jul 2025508 AMAQI
24th Jul 2025479 AMAQI
24th Jul 20254610 AMAQI
24th Jul 20255011 AMAQI
24th Jul 20254312 PMAQI
24th Jul 2025381 PMAQI
24th Jul 2025362 PMAQI
24th Jul 2025303 PMAQI
24th Jul 2025364 PMAQI
24th Jul 2025375 PMAQI
24th Jul 2025406 PMAQI
24th Jul 2025527 PMAQI
24th Jul 2025578 PMAQI
24th Jul 2025579 PMAQI
24th Jul 20255510 PMAQI
24th Jul 20255611 PMAQI
25th Jul 20255612 AMAQI
25th Jul 2025591 AMAQI
25th Jul 2025602 AMAQI
25th Jul 2025603 AMAQI
25th Jul 2025584 AMAQI

25°C22/29°C

25th Jul 2025575 AMAQI
25th Jul 2025576 AMAQI
25th Jul 2025587 AMAQI
25th Jul 2025568 AMAQI
25th Jul 2025519 AMAQI
25th Jul 20255410 AMAQI
25th Jul 20255511 AMAQI
25th Jul 20255312 PMAQI
25th Jul 2025531 PMAQI
25th Jul 2025532 PMAQI
25th Jul 2025513 PMAQI
25th Jul 2025474 PMAQI
25th Jul 2025535 PMAQI
25th Jul 2025506 PMAQI
25th Jul 2025547 PMAQI
25th Jul 2025568 PMAQI
25th Jul 2025589 PMAQI
25th Jul 20255410 PMAQI
25th Jul 20255311 PMAQI
26th Jul 20255412 AMAQI
26th Jul 2025561 AMAQI
26th Jul 2025582 AMAQI
26th Jul 2025583 AMAQI
26th Jul 2025584 AMAQI

24°C22/27°C

26th Jul 2025575 AMAQI
26th Jul 2025576 AMAQI
26th Jul 2025577 AMAQI
26th Jul 2025598 AMAQI
26th Jul 2025519 AMAQI
26th Jul 20255510 AMAQI
26th Jul 20255711 AMAQI
26th Jul 20255712 PMAQI
26th Jul 2025521 PMAQI
26th Jul 2025542 PMAQI
26th Jul 2025513 PMAQI
26th Jul 2025504 PMAQI
26th Jul 2025475 PMAQI
26th Jul 2025406 PMAQI
26th Jul 2025487 PMAQI
26th Jul 2025548 PMAQI
26th Jul 2025549 PMAQI
26th Jul 20255610 PMAQI
26th Jul 20255611 PMAQI
27th Jul 20255512 AMAQI
27th Jul 2025581 AMAQI
27th Jul 2025582 AMAQI
27th Jul 2025583 AMAQI
27th Jul 2025574 AMAQI

24°C21/29°C

27th Jul 2025575 AMAQI
27th Jul 2025576 AMAQI
27th Jul 2025577 AMAQI
27th Jul 2025488 AMAQI
27th Jul 2025409 AMAQI
27th Jul 20254710 AMAQI
27th Jul 20254611 AMAQI
27th Jul 20255412 PMAQI
27th Jul 2025551 PMAQI
27th Jul 2025572 PMAQI
27th Jul 2025583 PMAQI
27th Jul 2025604 PMAQI
27th Jul 2025545 PMAQI
27th Jul 2025576 PMAQI
27th Jul 2025587 PMAQI
27th Jul 2025608 PMAQI
27th Jul 2025609 PMAQI
27th Jul 20256210 PMAQI
27th Jul 20256111 PMAQI
28th Jul 20256012 AMAQI
28th Jul 2025591 AMAQI
28th Jul 2025582 AMAQI
28th Jul 2025573 AMAQI
28th Jul 2025574 AMAQI

26°C21/31°C

28th Jul 2025575 AMAQI
28th Jul 2025576 AMAQI
28th Jul 2025577 AMAQI
28th Jul 2025628 AMAQI
28th Jul 2025689 AMAQI
28th Jul 20257210 AMAQI
28th Jul 20256711 AMAQI
28th Jul 20256712 PMAQI
28th Jul 2025621 PMAQI
28th Jul 2025642 PMAQI
28th Jul 2025643 PMAQI
28th Jul 2025644 PMAQI
28th Jul 2025615 PMAQI
28th Jul 2025606 PMAQI
28th Jul 2025617 PMAQI
28th Jul 2025618 PMAQI
28th Jul 2025609 PMAQI
28th Jul 20256410 PMAQI
28th Jul 20256511 PMAQI
29th Jul 20256312 AMAQI
29th Jul 2025591 AMAQI
29th Jul 2025582 AMAQI
29th Jul 2025583 AMAQI
29th Jul 2025604 AMAQI

27°C23/31°C

29th Jul 2025615 AMAQI
29th Jul 2025616 AMAQI
29th Jul 2025617 AMAQI
29th Jul 2025568 AMAQI
29th Jul 2025569 AMAQI
29th Jul 20255310 AMAQI
29th Jul 20255111 AMAQI
29th Jul 20255612 PMAQI
29th Jul 2025581 PMAQI
29th Jul 2025612 PMAQI
29th Jul 2025633 PMAQI
29th Jul 2025604 PMAQI
29th Jul 2025565 PMAQI
29th Jul 2025566 PMAQI
29th Jul 2025587 PMAQI
29th Jul 2025578 PMAQI
29th Jul 2025579 PMAQI
29th Jul 20256010 PMAQI
29th Jul 20256011 PMAQI
30th Jul 20256012 AMAQI
30th Jul 2025601 AMAQI
30th Jul 2025602 AMAQI
30th Jul 2025603 AMAQI
30th Jul 2025594 AMAQI

27°C24/31°C

30th Jul 2025595 AMAQI
30th Jul 2025586 AMAQI
30th Jul 2025597 AMAQI
30th Jul 2025628 AMAQI
30th Jul 2025719 AMAQI
30th Jul 20256310 AMAQI
30th Jul 20255211 AMAQI
30th Jul 20255812 PMAQI
30th Jul 2025601 PMAQI
30th Jul 2025532 PMAQI
30th Jul 2025423 PMAQI
30th Jul 2025474 PMAQI
30th Jul 2025485 PMAQI
30th Jul 2025546 PMAQI
30th Jul 2025537 PMAQI
30th Jul 2025598 PMAQI
30th Jul 2025609 PMAQI
30th Jul 20255910 PMAQI
30th Jul 20255911 PMAQI
31st Jul 20255812 AMAQI
31st Jul 2025601 AMAQI
31st Jul 2025602 AMAQI
31st Jul 2025593 AMAQI
31st Jul 2025594 AMAQI

27°C22/32°C

31st Jul 2025595 AMAQI
31st Jul 2025596 AMAQI
31st Jul 2025597 AMAQI
31st Jul 2025598 AMAQI
31st Jul 2025599 AMAQI
31st Jul 20256210 AMAQI
31st Jul 20256311 AMAQI
31st Jul 20256712 PMAQI
31st Jul 2025611 PMAQI
31st Jul 2025682 PMAQI
31st Jul 2025633 PMAQI
31st Jul 2025674 PMAQI
31st Jul 2025635 PMAQI
31st Jul 2025626 PMAQI
31st Jul 2025657 PMAQI
31st Jul 2025658 PMAQI
31st Jul 2025639 PMAQI
31st Jul 20256410 PMAQI
31st Jul 20256311 PMAQI
1st Aug 20255912 AMAQI
1st Aug 2025591 AMAQI
1st Aug 2025592 AMAQI
1st Aug 2025593 AMAQI
1st Aug 2025584 AMAQI

25°C21/31°C

1st Aug 2025585 AMAQI
1st Aug 2025596 AMAQI
1st Aug 2025587 AMAQI
1st Aug 2025688 AMAQI
1st Aug 2025649 AMAQI
1st Aug 20256610 AMAQI
1st Aug 20256611 AMAQI
1st Aug 20256212 PMAQI
1st Aug 2025701 PMAQI
1st Aug 2025672 PMAQI
1st Aug 2025663 PMAQI
1st Aug 2025664 PMAQI
1st Aug 2025625 PMAQI
1st Aug 2025636 PMAQI
1st Aug 2025617 PMAQI
1st Aug 2025668 PMAQI
1st Aug 2025649 PMAQI
1st Aug 20256610 PMAQI
1st Aug 20256211 PMAQI
2nd Aug 20256412 AMAQI
2nd Aug 2025581 AMAQI
2nd Aug 2025582 AMAQI
2nd Aug 2025593 AMAQI
2nd Aug 2025614 AMAQI

25°C22/30°C

2nd Aug 2025615 AMAQI
2nd Aug 2025626 AMAQI
2nd Aug 2025607 AMAQI
2nd Aug 2025768 AMAQI
2nd Aug 2025799 AMAQI
2nd Aug 20257010 AMAQI
2nd Aug 20257411 AMAQI
2nd Aug 20256712 PMAQI
2nd Aug 2025661 PMAQI
2nd Aug 2025632 PMAQI
2nd Aug 2025623 PMAQI
2nd Aug 2025604 PMAQI
2nd Aug 2025545 PMAQI
2nd Aug 2025636 PMAQI
2nd Aug 2025607 PMAQI
2nd Aug 2025648 PMAQI
2nd Aug 2025659 PMAQI
2nd Aug 20256710 PMAQI
2nd Aug 20256611 PMAQI
3rd Aug 20256412 AMAQI
3rd Aug 2025601 AMAQI
3rd Aug 2025602 AMAQI
3rd Aug 2025623 AMAQI
3rd Aug 2025624 AMAQI

27°C22/32°C

3rd Aug 2025625 AMAQI
3rd Aug 2025626 AMAQI
3rd Aug 2025627 AMAQI
3rd Aug 2025688 AMAQI
3rd Aug 2025729 AMAQI
3rd Aug 20256910 AMAQI
3rd Aug 20256811 AMAQI
3rd Aug 20256812 PMAQI
3rd Aug 2025641 PMAQI
3rd Aug 2025622 PMAQI
3rd Aug 2025613 PMAQI
3rd Aug 2025624 PMAQI
3rd Aug 2025625 PMAQI
3rd Aug 2025646 PMAQI
3rd Aug 2025647 PMAQI
3rd Aug 2025648 PMAQI
3rd Aug 2025649 PMAQI
3rd Aug 20256610 PMAQI
3rd Aug 20256611 PMAQI
4th Aug 20256512 AMAQI
4th Aug 2025621 AMAQI
4th Aug 2025612 AMAQI
4th Aug 2025623 AMAQI
4th Aug 2025634 AMAQI

29°C24/33°C

4th Aug 2025635 AMAQI
5 AM
4th Aug 2025636 AMAQI
4th Aug 2025637 AMAQI
4th Aug 2025568 AMAQI
4th Aug 2025629 AMAQI
4th Aug 20256810 AMAQI
4th Aug 20256711 AMAQI
4th Aug 20256212 PMAQI
12 PM
4th Aug 2025651 PMAQI
4th Aug 2025642 PMAQI
4th Aug 2025673 PMAQI
4th Aug 2025744 PMAQI
4th Aug 2025755 PMAQI
4th Aug 2025666 PMAQI
4th Aug 2025697 PMAQI
7 PM
4th Aug 2025648 PMAQI
4th Aug 2025649 PMAQI
4th Aug 20256310 PMAQI
4th Aug 20256611 PMAQI
12 AM
4 AM

--°C/°C

Heure du jour
Heure moyenne la plus haute
5 AM - 7 PM

59AQI

15 heures / Jour
450 heures / Mois
Heure moyenne la plus basse
5 AM - 6 PM

59AQI

14 heures / Jour
420 heures / Mois
Au cours des 30 derniers jours, pendant la journée, l'AQI le plus élevé était entre 5 AM à 7 PM (Moyenne 59), tandis que l'AQI le plus bas était entre 5 AM à 6 PM (Moyenne 59).
Heure de la nuit
Heure moyenne la plus haute
12 AM - 11 PM

60AQI

9 heures / Jour
270 heures / Mois
Heure moyenne la plus basse
12 AM - 11 PM

60AQI

9 heures / Jour
270 heures / Mois
Au cours des 30 derniers jours, pendant la journée, l'AQI le plus élevé était entre 12 AM à 11 PM (Moyenne 60), tandis que l'AQI le plus bas était entre 12 AM à 11 PM (Moyenne 60).

Jours de 2025 Vs Qualité de l'Air

Zichang County Environmental Protection Bureau, Yanan, Shaanxi, China

2025

3%

6

72%

155

19%

40

4%

8

1%

3

1%

3

Nombre total de jours avec différentes catégories AQI au cours des 216 derniers jours de 2025 (149 jours restants)

Bon
6 Jours
Modéré
155 Jours
Pauvre
40 Jours
Non sain
8 Jours
Sévère
3 Jours
Dangereux
3 Jours



Sous les limites sécuritaires de l'OMS pour la qualité de l'air : 3%

Niveau de risque sanitaire:

Extrême

En 2025, 3% des 216 jours étaient dans les limites sécuritaires de l'OMS pour la qualité de l'air. Le risque de problèmes de santé est Extrême, pouvant causer des problèmes respiratoires, des maladies cardiaques, des problèmes de peau et du stress, en particulier pour les enfants, les personnes âgées et ceux ayant des conditions préexistantes.

Aperçus Annuels sur la Qualité de l'Air

Zichang County Environmental Protection Bureau, Yanan, Shaanxi, China

Niveaux AQI en 2025

AQI
PM2.5
PM10
CO
SO2
NO2
O3
Dim.Lun.Mar.Mer.Jeu.Ven.Sam.

Jan.

Fév.

Mar.

Avr.

Mai

Juin

Juil.

Août

Sep.

Oct.

Nov.

Déc.

1st Janvier 2025
103AQI
2nd Janvier 2025
95AQI
3rd Janvier 2025
103AQI
4th Janvier 2025
121AQI
5th Janvier 2025
101AQI
6th Janvier 2025
89AQI
7th Janvier 2025
91AQI
8th Janvier 2025
74AQI
9th Janvier 2025
88AQI
10th Janvier 2025
89AQI
11th Janvier 2025
90AQI
12th Janvier 2025
89AQI
13th Janvier 2025
137AQI
14th Janvier 2025
69AQI
15th Janvier 2025
92AQI
16th Janvier 2025
88AQI
17th Janvier 2025
98AQI
18th Janvier 2025
109AQI
19th Janvier 2025
97AQI
20th Janvier 2025
107AQI
21st Janvier 2025
107AQI
22nd Janvier 2025
129AQI
23rd Janvier 2025
146AQI
24th Janvier 2025
162AQI
25th Janvier 2025
104AQI
26th Janvier 2025
96AQI
27th Janvier 2025
75AQI
28th Janvier 2025
113AQI
29th Janvier 2025
129AQI
30th Janvier 2025
124AQI
31st Janvier 2025
115AQI
1st Février 2025
111AQI
2nd Février 2025
79AQI
3rd Février 2025
85AQI
4th Février 2025
76AQI
5th Février 2025
64AQI
6th Février 2025
136AQI
7th Février 2025
54AQI
8th Février 2025
70AQI
9th Février 2025
79AQI
10th Février 2025
98AQI
11th Février 2025
99AQI
12th Février 2025
85AQI
13th Février 2025
93AQI
14th Février 2025
74AQI
15th Février 2025
74AQI
16th Février 2025
64AQI
17th Février 2025
74AQI
18th Février 2025
68AQI
19th Février 2025
65AQI
20th Février 2025
71AQI
21st Février 2025
77AQI
22nd Février 2025
42AQI
23rd Février 2025
49AQI
24th Février 2025
53AQI
25th Février 2025
64AQI
26th Février 2025
64AQI
27th Février 2025
70AQI
28th Février 2025
68AQI
1st Mars 2025
91AQI
2nd Mars 2025
78AQI
3rd Mars 2025
63AQI
4th Mars 2025
64AQI
5th Mars 2025
70AQI
6th Mars 2025
71AQI
7th Mars 2025
76AQI
8th Mars 2025
76AQI
9th Mars 2025
79AQI
10th Mars 2025
79AQI
11th Mars 2025
179AQI
12th Mars 2025
96AQI
13th Mars 2025
87AQI
14th Mars 2025
86AQI
15th Mars 2025
63AQI
16th Mars 2025
63AQI
17th Mars 2025
61AQI
18th Mars 2025
70AQI
19th Mars 2025
63AQI
20th Mars 2025
62AQI
21st Mars 2025
79AQI
22nd Mars 2025
87AQI
23rd Mars 2025
312AQI
24th Mars 2025
502AQI
25th Mars 2025
302AQI
26th Mars 2025
246AQI
27th Mars 2025
160AQI
28th Mars 2025
109AQI
29th Mars 2025
93AQI
30th Mars 2025
82AQI
31st Mars 2025
76AQI
1st Avril 2025
72AQI
2nd Avril 2025
71AQI
3rd Avril 2025
109AQI
4th Avril 2025
107AQI
5th Avril 2025
84AQI
6th Avril 2025
111AQI
7th Avril 2025
107AQI
8th Avril 2025
127AQI
9th Avril 2025
96AQI
10th Avril 2025
92AQI
11th Avril 2025
178AQI
12th Avril 2025
115AQI
13th Avril 2025
139AQI
14th Avril 2025
73AQI
15th Avril 2025
93AQI
16th Avril 2025
141AQI
17th Avril 2025
132AQI
18th Avril 2025
131AQI
19th Avril 2025
112AQI
20th Avril 2025
110AQI
21st Avril 2025
277AQI
22nd Avril 2025
146AQI
23rd Avril 2025
110AQI
24th Avril 2025
87AQI
25th Avril 2025
89AQI
26th Avril 2025
86AQI
27th Avril 2025
68AQI
28th Avril 2025
66AQI
29th Avril 2025
94AQI
30th Avril 2025
173AQI
1st Mai 2025
91AQI
2nd Mai 2025
136AQI
3rd Mai 2025
72AQI
4th Mai 2025
103AQI
5th Mai 2025
230AQI
6th Mai 2025
164AQI
7th Mai 2025
152AQI
8th Mai 2025
148AQI
9th Mai 2025
104AQI
10th Mai 2025
98AQI
11th Mai 2025
77AQI
12th Mai 2025
89AQI
13th Mai 2025
93AQI
14th Mai 2025
82AQI
15th Mai 2025
81AQI
16th Mai 2025
159AQI
17th Mai 2025
98AQI
18th Mai 2025
101AQI
19th Mai 2025
96AQI
20th Mai 2025
95AQI
21st Mai 2025
95AQI
22nd Mai 2025
121AQI
23rd Mai 2025
103AQI
24th Mai 2025
112AQI
25th Mai 2025
81AQI
26th Mai 2025
78AQI
27th Mai 2025
74AQI
28th Mai 2025
87AQI
29th Mai 2025
86AQI
30th Mai 2025
86AQI
31st Mai 2025
64AQI
1st Juin 2025
71AQI
2nd Juin 2025
60AQI
3rd Juin 2025
48AQI
4th Juin 2025
48AQI
5th Juin 2025
54AQI
6th Juin 2025
62AQI
7th Juin 2025
65AQI
8th Juin 2025
61AQI
9th Juin 2025
67AQI
10th Juin 2025
62AQI
11th Juin 2025
67AQI
12th Juin 2025
77AQI
13th Juin 2025
70AQI
14th Juin 2025
66AQI
15th Juin 2025
63AQI
16th Juin 2025
61AQI
17th Juin 2025
62AQI
18th Juin 2025
64AQI
19th Juin 2025
61AQI
20th Juin 2025
60AQI
21st Juin 2025
58AQI
22nd Juin 2025
53AQI
23rd Juin 2025
58AQI
24th Juin 2025
63AQI
25th Juin 2025
63AQI
26th Juin 2025
59AQI
27th Juin 2025
60AQI
28th Juin 2025
58AQI
29th Juin 2025
59AQI
30th Juin 2025
58AQI
1st Juillet 2025
53AQI
2nd Juillet 2025
51AQI
3rd Juillet 2025
53AQI
4th Juillet 2025
55AQI
5th Juillet 2025
48AQI
6th Juillet 2025
54AQI
7th Juillet 2025
54AQI
8th Juillet 2025
50AQI
9th Juillet 2025
54AQI
10th Juillet 2025
60AQI
11th Juillet 2025
67AQI
12th Juillet 2025
72AQI
13th Juillet 2025
71AQI
14th Juillet 2025
68AQI
15th Juillet 2025
70AQI
16th Juillet 2025
58AQI
17th Juillet 2025
57AQI
18th Juillet 2025
63AQI
19th Juillet 2025
65AQI
20th Juillet 2025
54AQI
21st Juillet 2025
57AQI
22nd Juillet 2025
61AQI
23rd Juillet 2025
58AQI
24th Juillet 2025
52AQI
25th Juillet 2025
55AQI
26th Juillet 2025
54AQI
27th Juillet 2025
56AQI
28th Juillet 2025
61AQI
29th Juillet 2025
59AQI
30th Juillet 2025
58AQI
31st Juillet 2025
61AQI
1st Août 2025
62AQI
2nd Août 2025
64AQI
3rd Août 2025
63AQI

104AQI

75AQI

117AQI

113AQI

105AQI

61AQI

58AQI

63AQI


Nombre de jours

Jan.Fév.Mar.Avr.MaiJuinJuil.AoûtSep.Oct.Nov.Déc.Jours totaux

202590AQI

15
15
1
2
24
2
24
1
2
1
3
13
14
2
1
19
8
3
1
2
28
2
29
3
6
155
40
8
3
3

Le plus élevé AQI enregistré en

Mars

117AQI


Le plus bas AQI enregistré en

Juillet

58AQI


202468AQI

22
3
4
3
1
5
1
5
1
14
30
2
29
9
22
5
22
2
11
19
1
9
19
2
26
5
39
217
16

Le plus élevé AQI enregistré en

Février

96AQI


Le plus bas AQI enregistré en

Avril

56AQI


202397AQI

2
7
10
11
7
12
3
1
1
1
3
1
2
1
5
1
2
12
1
25
18
1
1
1
1
6
7
2
3
13
13
1
11
97
46
20
1

Le plus élevé AQI enregistré en

Mars

202AQI


Le plus bas AQI enregistré en

Octobre

47AQI


202287AQI

14
6
1
13
15
2
1
14
8
1
1
27
3
2
28
8
13
1
3
25
3
21
6
1
17
12
1
13
16
2
17
186
66
7
2

Le plus élevé AQI enregistré en

Mars

113AQI


Le plus bas AQI enregistré en

Août

58AQI


2020103AQI

4
7
2
16
4
1
1
6
1
1
1
26
11
4
1

Le plus élevé AQI enregistré en

Mars

115AQI


Le plus bas AQI enregistré en

Avril

91AQI


Années les plus & moins polluées des 5 dernières années

Année la plus polluée enregistrée
2020(Moyenne)
103AQI
Année la moins polluée enregistrée
2024(Moyenne)
68AQI


La qualité de l'air annuelle de Zichang County Environmental Protection Bureau pour l'année 2025 AQI (90) montre un changement moyen de pourcentage de 4.7% (empiré AQI) par rapport aux années précédentes : 2020 (103), 2022 (87), 2023 (97), 2024 (68).