Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Analyse Historique de la Qualité de l'Air à Changan, Xichang, Sichuan, 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

Changan, Xichang, Sichuan, China

2021
2024
2025
AQI
.
Jours

Tendances AQI : Le plus élevé et le plus bas

AQI le plus élevé enregistré le
6th Aug 2021
87AQI
AQI le plus bas enregistré le
27th Aug 2021
33AQI

Analyse du même jour (3rd August ):
Ce jour-là, l'AQI au cours des 3 années a varié de manière significative : 2025 se classe 2nd le plus élevé AQI à 58 de Modéré qualité de l'air, montrant une amélioration par rapport à 2021 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

Changan, Xichang, Sichuan, China

AQI
Jour
Nuit
.

5 AM3rd Aug 2025

7 PM

4 AM4th Aug 2025

Heure du jour
Heure moyenne la plus haute
10AM3rd Aug

66AQI

Heure moyenne la plus basse
5PM3rd Aug

51AQI

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

60AQI

Heure moyenne la plus basse
7PM3rd Aug

55AQI

Au cours des 24 dernières heures,

L'AQI de Changan a atteint son point le plus élevé de 66 à 10 AM pendant le Jour, tandis que le point le plus bas, 51, a été enregistré à 5 PM pendant le Jour entre 3rd Aug et 4th Aug 2025.

Tendance AQI Jour & Nuit : Jul - Aug 2025

Changan, Xichang, Sichuan, 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 2025515 AMAQI
5th Jul 2025526 AMAQI
5th Jul 2025527 AMAQI
5th Jul 2025468 AMAQI
5th Jul 2025469 AMAQI
5th Jul 20255410 AMAQI
5th Jul 20255411 AMAQI
5th Jul 20255412 PMAQI
5th Jul 2025461 PMAQI
5th Jul 2025442 PMAQI
5th Jul 2025433 PMAQI
5th Jul 2025444 PMAQI
5th Jul 2025445 PMAQI
5th Jul 2025426 PMAQI
5th Jul 2025457 PMAQI
5th Jul 2025528 PMAQI
5th Jul 2025539 PMAQI
5th Jul 20255410 PMAQI
5th Jul 20255511 PMAQI
6th Jul 20255412 AMAQI
6th Jul 2025521 AMAQI
6th Jul 2025522 AMAQI
6th Jul 2025523 AMAQI
6th Jul 2025514 AMAQI

17°C12/22°C

6th Jul 2025505 AMAQI
6th Jul 2025506 AMAQI
6th Jul 2025507 AMAQI
6th Jul 2025518 AMAQI
6th Jul 2025539 AMAQI
6th Jul 20255210 AMAQI
6th Jul 20255611 AMAQI
6th Jul 20255512 PMAQI
6th Jul 2025561 PMAQI
6th Jul 2025522 PMAQI
6th Jul 2025443 PMAQI
6th Jul 2025394 PMAQI
6th Jul 2025415 PMAQI
6th Jul 2025426 PMAQI
6th Jul 2025527 PMAQI
6th Jul 2025538 PMAQI
6th Jul 2025559 PMAQI
6th Jul 20255410 PMAQI
6th Jul 20255411 PMAQI
7th Jul 20255512 AMAQI
7th Jul 2025521 AMAQI
7th Jul 2025522 AMAQI
7th Jul 2025523 AMAQI
7th Jul 2025524 AMAQI

17°C12/24°C

7th Jul 2025525 AMAQI
7th Jul 2025526 AMAQI
7th Jul 2025527 AMAQI
7th Jul 2025588 AMAQI
7th Jul 2025599 AMAQI
7th Jul 20255610 AMAQI
7th Jul 20255811 AMAQI
7th Jul 20255612 PMAQI
7th Jul 2025551 PMAQI
7th Jul 2025542 PMAQI
7th Jul 2025543 PMAQI
7th Jul 2025514 PMAQI
7th Jul 2025475 PMAQI
7th Jul 2025456 PMAQI
7th Jul 2025487 PMAQI
7th Jul 2025518 PMAQI
7th Jul 2025559 PMAQI
7th Jul 20255610 PMAQI
7th Jul 20255711 PMAQI
8th Jul 20255812 AMAQI
8th Jul 2025541 AMAQI
8th Jul 2025542 AMAQI
8th Jul 2025543 AMAQI
8th Jul 2025544 AMAQI

17°C12/23°C

8th Jul 2025545 AMAQI
8th Jul 2025546 AMAQI
8th Jul 2025547 AMAQI
8th Jul 2025568 AMAQI
8th Jul 2025629 AMAQI
8th Jul 20256210 AMAQI
8th Jul 20255811 AMAQI
8th Jul 20255912 PMAQI
8th Jul 2025581 PMAQI
8th Jul 2025602 PMAQI
8th Jul 2025603 PMAQI
8th Jul 2025594 PMAQI
8th Jul 2025565 PMAQI
8th Jul 2025446 PMAQI
8th Jul 2025417 PMAQI
8th Jul 2025528 PMAQI
8th Jul 2025569 PMAQI
8th Jul 20255810 PMAQI
8th Jul 20255811 PMAQI
9th Jul 20255812 AMAQI
9th Jul 2025521 AMAQI
9th Jul 2025532 AMAQI
9th Jul 2025543 AMAQI
9th Jul 2025554 AMAQI

20°C13/28°C

9th Jul 2025555 AMAQI
9th Jul 2025546 AMAQI
9th Jul 2025547 AMAQI
9th Jul 2025548 AMAQI
9th Jul 2025589 AMAQI
9th Jul 20256010 AMAQI
9th Jul 20255611 AMAQI
9th Jul 20255012 PMAQI
9th Jul 2025541 PMAQI
9th Jul 2025532 PMAQI
9th Jul 2025513 PMAQI
9th Jul 2025504 PMAQI
9th Jul 2025515 PMAQI
9th Jul 2025516 PMAQI
9th Jul 2025527 PMAQI
9th Jul 2025548 PMAQI
9th Jul 2025569 PMAQI
9th Jul 20255710 PMAQI
9th Jul 20255811 PMAQI
10th Jul 20255712 AMAQI
10th Jul 2025541 AMAQI
10th Jul 2025552 AMAQI
10th Jul 2025553 AMAQI
10th Jul 2025544 AMAQI

22°C17/29°C

10th Jul 2025555 AMAQI
10th Jul 2025556 AMAQI
10th Jul 2025557 AMAQI
10th Jul 2025608 AMAQI
10th Jul 2025629 AMAQI
10th Jul 20256210 AMAQI
10th Jul 20255811 AMAQI
10th Jul 20255612 PMAQI
10th Jul 2025511 PMAQI
10th Jul 2025442 PMAQI
10th Jul 2025463 PMAQI
10th Jul 2025514 PMAQI
10th Jul 2025515 PMAQI
10th Jul 2025526 PMAQI
10th Jul 2025527 PMAQI
10th Jul 2025548 PMAQI
10th Jul 2025549 PMAQI
10th Jul 20255610 PMAQI
10th Jul 20255711 PMAQI
11th Jul 20255612 AMAQI
11th Jul 2025541 AMAQI
11th Jul 2025542 AMAQI
11th Jul 2025543 AMAQI
11th Jul 2025544 AMAQI

22°C15/30°C

11th Jul 2025545 AMAQI
11th Jul 2025556 AMAQI
11th Jul 2025557 AMAQI
11th Jul 2025578 AMAQI
11th Jul 2025609 AMAQI
11th Jul 20256110 AMAQI
11th Jul 20255811 AMAQI
11th Jul 20255712 PMAQI
11th Jul 2025531 PMAQI
11th Jul 2025532 PMAQI
11th Jul 2025543 PMAQI
11th Jul 2025544 PMAQI
11th Jul 2025565 PMAQI
11th Jul 2025566 PMAQI
11th Jul 2025617 PMAQI
11th Jul 2025588 PMAQI
11th Jul 2025589 PMAQI
11th Jul 20256010 PMAQI
11th Jul 20255611 PMAQI
12th Jul 20256012 AMAQI
12th Jul 2025561 AMAQI
12th Jul 2025542 AMAQI
12th Jul 2025553 AMAQI
12th Jul 2025544 AMAQI

22°C14/30°C

12th Jul 2025545 AMAQI
12th Jul 2025546 AMAQI
12th Jul 2025547 AMAQI
12th Jul 2025568 AMAQI
12th Jul 2025549 AMAQI
12th Jul 20255810 AMAQI
12th Jul 20256011 AMAQI
12th Jul 20255612 PMAQI
12th Jul 2025531 PMAQI
12th Jul 2025552 PMAQI
12th Jul 2025543 PMAQI
12th Jul 2025554 PMAQI
12th Jul 2025525 PMAQI
12th Jul 2025556 PMAQI
12th Jul 2025577 PMAQI
12th Jul 2025578 PMAQI
12th Jul 2025589 PMAQI
12th Jul 20256010 PMAQI
12th Jul 20256111 PMAQI
13th Jul 20256312 AMAQI
13th Jul 2025551 AMAQI
13th Jul 2025552 AMAQI
13th Jul 2025553 AMAQI
13th Jul 2025554 AMAQI

21°C14/29°C

13th Jul 2025555 AMAQI
13th Jul 2025546 AMAQI
13th Jul 2025557 AMAQI
13th Jul 2025658 AMAQI
13th Jul 2025739 AMAQI
13th Jul 20257610 AMAQI
13th Jul 20256711 AMAQI
13th Jul 20256412 PMAQI
13th Jul 2025621 PMAQI
13th Jul 2025602 PMAQI
13th Jul 2025583 PMAQI
13th Jul 2025544 PMAQI
13th Jul 2025525 PMAQI
13th Jul 2025546 PMAQI
13th Jul 2025577 PMAQI
13th Jul 2025578 PMAQI
13th Jul 2025599 PMAQI
13th Jul 20256110 PMAQI
13th Jul 20256211 PMAQI
14th Jul 20256212 AMAQI
14th Jul 2025551 AMAQI
14th Jul 2025552 AMAQI
14th Jul 2025563 AMAQI
14th Jul 2025564 AMAQI

20°C11/29°C

14th Jul 2025575 AMAQI
14th Jul 2025576 AMAQI
14th Jul 2025567 AMAQI
14th Jul 2025648 AMAQI
14th Jul 2025689 AMAQI
14th Jul 20257010 AMAQI
14th Jul 20257211 AMAQI
14th Jul 20256712 PMAQI
14th Jul 2025681 PMAQI
14th Jul 2025662 PMAQI
14th Jul 2025643 PMAQI
14th Jul 2025604 PMAQI
14th Jul 2025605 PMAQI
14th Jul 2025606 PMAQI
14th Jul 2025627 PMAQI
14th Jul 2025588 PMAQI
14th Jul 2025619 PMAQI
14th Jul 20256210 PMAQI
14th Jul 20256411 PMAQI
15th Jul 20256512 AMAQI
15th Jul 2025581 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025563 AMAQI
15th Jul 2025584 AMAQI

20°C11/30°C

15th Jul 2025585 AMAQI
15th Jul 2025576 AMAQI
15th Jul 2025587 AMAQI
15th Jul 2025628 AMAQI
15th Jul 2025669 AMAQI
15th Jul 20256910 AMAQI
15th Jul 20256211 AMAQI
15th Jul 20256212 PMAQI
15th Jul 2025591 PMAQI
15th Jul 2025562 PMAQI
15th Jul 2025563 PMAQI
15th Jul 2025584 PMAQI
15th Jul 2025585 PMAQI
15th Jul 2025576 PMAQI
15th Jul 2025587 PMAQI
15th Jul 2025588 PMAQI
15th Jul 2025599 PMAQI
15th Jul 20256010 PMAQI
15th Jul 20255811 PMAQI
16th Jul 20256012 AMAQI
16th Jul 2025561 AMAQI
16th Jul 2025572 AMAQI
16th Jul 2025573 AMAQI
16th Jul 2025584 AMAQI

22°C12/30°C

16th Jul 2025595 AMAQI
16th Jul 2025586 AMAQI
16th Jul 2025587 AMAQI
16th Jul 2025628 AMAQI
16th Jul 2025649 AMAQI
16th Jul 20256410 AMAQI
16th Jul 20256611 AMAQI
16th Jul 20256212 PMAQI
16th Jul 2025601 PMAQI
16th Jul 2025572 PMAQI
16th Jul 2025613 PMAQI
16th Jul 2025604 PMAQI
16th Jul 2025555 PMAQI
16th Jul 2025546 PMAQI
16th Jul 2025587 PMAQI
16th Jul 2025598 PMAQI
16th Jul 2025609 PMAQI
16th Jul 20256210 PMAQI
16th Jul 20256011 PMAQI
17th Jul 20255912 AMAQI
17th Jul 2025561 AMAQI
17th Jul 2025562 AMAQI
17th Jul 2025573 AMAQI
17th Jul 2025584 AMAQI

21°C12/31°C

17th Jul 2025585 AMAQI
17th Jul 2025586 AMAQI
17th Jul 2025587 AMAQI
17th Jul 2025638 AMAQI
17th Jul 2025639 AMAQI
17th Jul 20256210 AMAQI
17th Jul 20256111 AMAQI
17th Jul 20255112 PMAQI
17th Jul 2025521 PMAQI
17th Jul 2025522 PMAQI
17th Jul 2025543 PMAQI
17th Jul 2025514 PMAQI
17th Jul 2025595 PMAQI
17th Jul 2025586 PMAQI
17th Jul 2025607 PMAQI
17th Jul 2025648 PMAQI
17th Jul 2025639 PMAQI
17th Jul 20256410 PMAQI
17th Jul 20256211 PMAQI
18th Jul 20256212 AMAQI
18th Jul 2025571 AMAQI
18th Jul 2025572 AMAQI
18th Jul 2025583 AMAQI
18th Jul 2025584 AMAQI

21°C13/31°C

18th Jul 2025605 AMAQI
18th Jul 2025606 AMAQI
18th Jul 2025597 AMAQI
18th Jul 2025688 AMAQI
18th Jul 2025739 AMAQI
18th Jul 20257010 AMAQI
18th Jul 20257111 AMAQI
18th Jul 20256212 PMAQI
18th Jul 2025601 PMAQI
18th Jul 2025522 PMAQI
18th Jul 2025403 PMAQI
18th Jul 2025494 PMAQI
18th Jul 2025595 PMAQI
18th Jul 2025586 PMAQI
18th Jul 2025607 PMAQI
18th Jul 2025608 PMAQI
18th Jul 2025629 PMAQI
18th Jul 20256010 PMAQI
18th Jul 20256011 PMAQI
19th Jul 20256012 AMAQI
19th Jul 2025581 AMAQI
19th Jul 2025582 AMAQI
19th Jul 2025583 AMAQI
19th Jul 2025594 AMAQI

21°C13/29°C

19th Jul 2025595 AMAQI
19th Jul 2025596 AMAQI
19th Jul 2025607 AMAQI
19th Jul 2025558 AMAQI
19th Jul 2025559 AMAQI
19th Jul 20255410 AMAQI
19th Jul 20255211 AMAQI
19th Jul 20255512 PMAQI
19th Jul 2025571 PMAQI
19th Jul 2025562 PMAQI
19th Jul 2025583 PMAQI
19th Jul 2025544 PMAQI
19th Jul 2025525 PMAQI
19th Jul 2025516 PMAQI
19th Jul 2025547 PMAQI
19th Jul 2025588 PMAQI
19th Jul 2025609 PMAQI
19th Jul 20256210 PMAQI
19th Jul 20255911 PMAQI
20th Jul 20256012 AMAQI
20th Jul 2025611 AMAQI
20th Jul 2025592 AMAQI
20th Jul 2025603 AMAQI
20th Jul 2025584 AMAQI

19°C14/26°C

20th Jul 2025585 AMAQI
20th Jul 2025586 AMAQI
20th Jul 2025587 AMAQI
20th Jul 2025588 AMAQI
20th Jul 2025589 AMAQI
20th Jul 20256110 AMAQI
20th Jul 20256311 AMAQI
20th Jul 20256212 PMAQI
20th Jul 2025571 PMAQI
20th Jul 2025532 PMAQI
20th Jul 2025513 PMAQI
20th Jul 2025504 PMAQI
20th Jul 2025505 PMAQI
20th Jul 2025526 PMAQI
20th Jul 2025577 PMAQI
20th Jul 2025608 PMAQI
20th Jul 2025589 PMAQI
20th Jul 20255910 PMAQI
20th Jul 20256011 PMAQI
21st Jul 20256012 AMAQI
21st Jul 2025561 AMAQI
21st Jul 2025562 AMAQI
21st Jul 2025573 AMAQI
21st Jul 2025574 AMAQI

21°C14/28°C

21st Jul 2025575 AMAQI
21st Jul 2025586 AMAQI
21st Jul 2025577 AMAQI
21st Jul 2025558 AMAQI
21st Jul 2025549 AMAQI
21st Jul 20255610 AMAQI
21st Jul 20255411 AMAQI
21st Jul 20255212 PMAQI
21st Jul 2025471 PMAQI
21st Jul 2025482 PMAQI
21st Jul 2025463 PMAQI
21st Jul 2025444 PMAQI
21st Jul 2025525 PMAQI
21st Jul 2025506 PMAQI
21st Jul 2025557 PMAQI
21st Jul 2025598 PMAQI
21st Jul 2025609 PMAQI
21st Jul 20256110 PMAQI
21st Jul 20256011 PMAQI
22nd Jul 20256012 AMAQI
22nd Jul 2025581 AMAQI
22nd Jul 2025562 AMAQI
22nd Jul 2025573 AMAQI
22nd Jul 2025564 AMAQI

21°C14/30°C

22nd Jul 2025565 AMAQI
22nd Jul 2025566 AMAQI
22nd Jul 2025567 AMAQI
22nd Jul 2025548 AMAQI
22nd Jul 2025529 AMAQI
22nd Jul 20255410 AMAQI
22nd Jul 20255511 AMAQI
22nd Jul 20255612 PMAQI
22nd Jul 2025531 PMAQI
22nd Jul 2025502 PMAQI
22nd Jul 2025483 PMAQI
22nd Jul 2025424 PMAQI
22nd Jul 2025425 PMAQI
22nd Jul 2025536 PMAQI
22nd Jul 2025567 PMAQI
22nd Jul 2025558 PMAQI
22nd Jul 2025589 PMAQI
22nd Jul 20255810 PMAQI
22nd Jul 20255811 PMAQI
23rd Jul 20255612 AMAQI
23rd Jul 2025571 AMAQI
23rd Jul 2025582 AMAQI
23rd Jul 2025563 AMAQI
23rd Jul 2025544 AMAQI

21°C14/29°C

23rd Jul 2025555 AMAQI
23rd Jul 2025556 AMAQI
23rd Jul 2025557 AMAQI
23rd Jul 2025468 AMAQI
23rd Jul 2025429 AMAQI
23rd Jul 20254610 AMAQI
23rd Jul 20255011 AMAQI
23rd Jul 20255512 PMAQI
23rd Jul 2025501 PMAQI
23rd Jul 2025532 PMAQI
23rd Jul 2025543 PMAQI
23rd Jul 2025524 PMAQI
23rd Jul 2025435 PMAQI
23rd Jul 2025406 PMAQI
23rd Jul 2025507 PMAQI
23rd Jul 2025568 PMAQI
23rd Jul 2025569 PMAQI
23rd Jul 20255810 PMAQI
23rd Jul 20255911 PMAQI
24th Jul 20255812 AMAQI
24th Jul 2025571 AMAQI
24th Jul 2025572 AMAQI
24th Jul 2025583 AMAQI
24th Jul 2025564 AMAQI

21°C14/28°C

24th Jul 2025575 AMAQI
24th Jul 2025566 AMAQI
24th Jul 2025567 AMAQI
24th Jul 2025468 AMAQI
24th Jul 2025519 AMAQI
24th Jul 20255210 AMAQI
24th Jul 20255111 AMAQI
24th Jul 20255212 PMAQI
24th Jul 2025551 PMAQI
24th Jul 2025522 PMAQI
24th Jul 2025483 PMAQI
24th Jul 2025344 PMAQI
24th Jul 2025345 PMAQI
24th Jul 2025426 PMAQI
24th Jul 2025507 PMAQI
24th Jul 2025548 PMAQI
24th Jul 2025549 PMAQI
24th Jul 20255510 PMAQI
24th Jul 20255511 PMAQI
25th Jul 20255712 AMAQI
25th Jul 2025571 AMAQI
25th Jul 2025582 AMAQI
25th Jul 2025563 AMAQI
25th Jul 2025554 AMAQI

21°C15/28°C

25th Jul 2025565 AMAQI
25th Jul 2025566 AMAQI
25th Jul 2025567 AMAQI
25th Jul 2025548 AMAQI
25th Jul 2025539 AMAQI
25th Jul 20255710 AMAQI
25th Jul 20255411 AMAQI
25th Jul 20255312 PMAQI
25th Jul 2025541 PMAQI
25th Jul 2025552 PMAQI
25th Jul 2025533 PMAQI
25th Jul 2025504 PMAQI
25th Jul 2025515 PMAQI
25th Jul 2025536 PMAQI
25th Jul 2025547 PMAQI
25th Jul 2025548 PMAQI
25th Jul 2025559 PMAQI
25th Jul 20255510 PMAQI
25th Jul 20255511 PMAQI
26th Jul 20255512 AMAQI
26th Jul 2025561 AMAQI
26th Jul 2025562 AMAQI
26th Jul 2025543 AMAQI
26th Jul 2025544 AMAQI

21°C16/28°C

26th Jul 2025545 AMAQI
26th Jul 2025546 AMAQI
26th Jul 2025547 AMAQI
26th Jul 2025558 AMAQI
26th Jul 2025599 AMAQI
26th Jul 20255910 AMAQI
26th Jul 20255911 AMAQI
26th Jul 20255812 PMAQI
26th Jul 2025591 PMAQI
26th Jul 2025562 PMAQI
26th Jul 2025573 PMAQI
26th Jul 2025574 PMAQI
26th Jul 2025525 PMAQI
26th Jul 2025546 PMAQI
26th Jul 2025537 PMAQI
26th Jul 2025568 PMAQI
26th Jul 2025589 PMAQI
26th Jul 20255610 PMAQI
26th Jul 20255511 PMAQI
27th Jul 20255712 AMAQI
27th Jul 2025551 AMAQI
27th Jul 2025542 AMAQI
27th Jul 2025543 AMAQI
27th Jul 2025534 AMAQI

18°C15/20°C

27th Jul 2025535 AMAQI
27th Jul 2025546 AMAQI
27th Jul 2025547 AMAQI
27th Jul 2025578 AMAQI
27th Jul 2025659 AMAQI
27th Jul 20256310 AMAQI
27th Jul 20256011 AMAQI
27th Jul 20256712 PMAQI
27th Jul 2025641 PMAQI
27th Jul 2025562 PMAQI
27th Jul 2025543 PMAQI
27th Jul 2025554 PMAQI
27th Jul 2025525 PMAQI
27th Jul 2025486 PMAQI
27th Jul 2025547 PMAQI
27th Jul 2025568 PMAQI
27th Jul 2025589 PMAQI
27th Jul 20255810 PMAQI
27th Jul 20255811 PMAQI
28th Jul 20255712 AMAQI
28th Jul 2025541 AMAQI
28th Jul 2025542 AMAQI
28th Jul 2025553 AMAQI
28th Jul 2025554 AMAQI

20°C12/27°C

28th Jul 2025555 AMAQI
28th Jul 2025556 AMAQI
28th Jul 2025567 AMAQI
28th Jul 2025478 AMAQI
28th Jul 2025449 AMAQI
28th Jul 20255210 AMAQI
28th Jul 20255011 AMAQI
28th Jul 20254212 PMAQI
28th Jul 2025421 PMAQI
28th Jul 2025402 PMAQI
28th Jul 2025423 PMAQI
28th Jul 2025384 PMAQI
28th Jul 2025395 PMAQI
28th Jul 2025426 PMAQI
28th Jul 2025547 PMAQI
28th Jul 2025568 PMAQI
28th Jul 2025569 PMAQI
28th Jul 20255910 PMAQI
28th Jul 20256111 PMAQI
29th Jul 20256012 AMAQI
29th Jul 2025561 AMAQI
29th Jul 2025542 AMAQI
29th Jul 2025543 AMAQI
29th Jul 2025544 AMAQI

20°C11/29°C

29th Jul 2025545 AMAQI
29th Jul 2025546 AMAQI
29th Jul 2025547 AMAQI
29th Jul 2025608 AMAQI
29th Jul 2025669 AMAQI
29th Jul 20257010 AMAQI
29th Jul 20256411 AMAQI
29th Jul 20256412 PMAQI
29th Jul 2025661 PMAQI
29th Jul 2025642 PMAQI
29th Jul 2025623 PMAQI
29th Jul 2025594 PMAQI
29th Jul 2025565 PMAQI
29th Jul 2025586 PMAQI
29th Jul 2025587 PMAQI
29th Jul 2025568 PMAQI
29th Jul 2025589 PMAQI
29th Jul 20256210 PMAQI
29th Jul 20256311 PMAQI
30th Jul 20256412 AMAQI
30th Jul 2025561 AMAQI
30th Jul 2025552 AMAQI
30th Jul 2025553 AMAQI
30th Jul 2025554 AMAQI

21°C14/30°C

30th Jul 2025555 AMAQI
30th Jul 2025556 AMAQI
30th Jul 2025547 AMAQI
30th Jul 2025628 AMAQI
30th Jul 2025659 AMAQI
30th Jul 20257010 AMAQI
30th Jul 20256911 AMAQI
30th Jul 20256712 PMAQI
30th Jul 2025591 PMAQI
30th Jul 2025512 PMAQI
30th Jul 2025523 PMAQI
30th Jul 2025574 PMAQI
30th Jul 2025555 PMAQI
30th Jul 2025556 PMAQI
30th Jul 2025577 PMAQI
30th Jul 2025568 PMAQI
30th Jul 2025589 PMAQI
30th Jul 20256110 PMAQI
30th Jul 20256211 PMAQI
31st Jul 20256112 AMAQI
31st Jul 2025561 AMAQI
31st Jul 2025562 AMAQI
31st Jul 2025563 AMAQI
31st Jul 2025564 AMAQI

21°C12/29°C

31st Jul 2025565 AMAQI
31st Jul 2025566 AMAQI
31st Jul 2025567 AMAQI
31st Jul 2025568 AMAQI
31st Jul 2025569 AMAQI
31st Jul 20255610 AMAQI
31st Jul 20255611 AMAQI
31st Jul 20255812 PMAQI
31st Jul 2025571 PMAQI
31st Jul 2025482 PMAQI
31st Jul 2025483 PMAQI
31st Jul 2025544 PMAQI
31st Jul 2025565 PMAQI
31st Jul 2025576 PMAQI
31st Jul 2025607 PMAQI
31st Jul 2025538 PMAQI
31st Jul 2025549 PMAQI
31st Jul 20255810 PMAQI
31st Jul 20255511 PMAQI
1st Aug 20255512 AMAQI
1st Aug 2025531 AMAQI
1st Aug 2025542 AMAQI
1st Aug 2025563 AMAQI
1st Aug 2025544 AMAQI

21°C13/29°C

1st Aug 2025555 AMAQI
1st Aug 2025546 AMAQI
1st Aug 2025547 AMAQI
1st Aug 2025568 AMAQI
1st Aug 2025609 AMAQI
1st Aug 20256510 AMAQI
1st Aug 20256611 AMAQI
1st Aug 20256212 PMAQI
1st Aug 2025621 PMAQI
1st Aug 2025642 PMAQI
1st Aug 2025593 PMAQI
1st Aug 2025564 PMAQI
1st Aug 2025535 PMAQI
1st Aug 2025536 PMAQI
1st Aug 2025567 PMAQI
1st Aug 2025598 PMAQI
1st Aug 2025629 PMAQI
1st Aug 20256110 PMAQI
1st Aug 20255911 PMAQI
2nd Aug 20255812 AMAQI
2nd Aug 2025541 AMAQI
2nd Aug 2025542 AMAQI
2nd Aug 2025543 AMAQI
2nd Aug 2025564 AMAQI

22°C16/30°C

2nd Aug 2025565 AMAQI
2nd Aug 2025566 AMAQI
2nd Aug 2025557 AMAQI
2nd Aug 2025668 AMAQI
2nd Aug 2025709 AMAQI
2nd Aug 20257310 AMAQI
2nd Aug 20256811 AMAQI
2nd Aug 20256912 PMAQI
2nd Aug 2025621 PMAQI
2nd Aug 2025602 PMAQI
2nd Aug 2025623 PMAQI
2nd Aug 2025644 PMAQI
2nd Aug 2025595 PMAQI
2nd Aug 2025576 PMAQI
2nd Aug 2025567 PMAQI
2nd Aug 2025608 PMAQI
2nd Aug 2025619 PMAQI
2nd Aug 20256310 PMAQI
2nd Aug 20256411 PMAQI
3rd Aug 20256012 AMAQI
3rd Aug 2025551 AMAQI
3rd Aug 2025552 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025564 AMAQI

22°C16/30°C

3rd Aug 2025575 AMAQI
3rd Aug 2025566 AMAQI
3rd Aug 2025577 AMAQI
3rd Aug 2025628 AMAQI
3rd Aug 2025609 AMAQI
3rd Aug 20256610 AMAQI
3rd Aug 20256411 AMAQI
3rd Aug 20256112 PMAQI
3rd Aug 2025641 PMAQI
3rd Aug 2025592 PMAQI
3rd Aug 2025593 PMAQI
3rd Aug 2025574 PMAQI
3rd Aug 2025515 PMAQI
3rd Aug 2025556 PMAQI
3rd Aug 2025557 PMAQI
3rd Aug 2025578 PMAQI
3rd Aug 2025589 PMAQI
3rd Aug 20256010 PMAQI
3rd Aug 20255811 PMAQI
4th Aug 20255812 AMAQI
4th Aug 2025571 AMAQI
4th Aug 2025562 AMAQI
4th Aug 2025583 AMAQI
4th Aug 2025584 AMAQI

21°C14/31°C

4th Aug 2025585 AMAQI
5 AM
4th Aug 2025586 AMAQI
4th Aug 2025587 AMAQI
4th Aug 2025548 AMAQI
4th Aug 2025589 AMAQI
4th Aug 20256210 AMAQI
4th Aug 20255711 AMAQI
4th Aug 20255912 PMAQI
12 PM
4th Aug 2025571 PMAQI
4th Aug 2025522 PMAQI
4th Aug 2025543 PMAQI
4th Aug 2025534 PMAQI
4th Aug 2025475 PMAQI
7 PM
12 AM
4 AM

--°C/°C

Heure du jour
Heure moyenne la plus haute
5 AM - 1 PM

58AQI

9 heures / Jour
270 heures / Mois
Heure moyenne la plus basse
2 PM - 6 PM

52AQI

5 heures / Jour
150 heures / Mois
Au cours des 30 derniers jours, pendant la journée, l'AQI le plus élevé était entre 5 AM à 1 PM (Moyenne 58), tandis que l'AQI le plus bas était entre 2 PM à 6 PM (Moyenne 52).
Heure de la nuit
Heure moyenne la plus haute
12 AM

59AQI

1 heures / Jour
30 heures / Mois
Heure moyenne la plus basse
1 AM - 11 PM

57AQI

8 heures / Jour
240 heures / Mois
Au cours des 30 derniers jours, pendant la journée, l'AQI le plus élevé était entre 12 AM à 12 AM (Moyenne 59), tandis que l'AQI le plus bas était entre 1 AM à 11 PM (Moyenne 57).

Jours de 2025 Vs Qualité de l'Air

Changan, Xichang, Sichuan, China

2025

2%

5

89%

191

9%

19

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

Bon
5 Jours
Modéré
191 Jours
Pauvre
19 Jours
Non sain
0 Jours
Sévère
0 Jours
Dangereux
0 Jours

Sous les limites sécuritaires de l'OMS pour la qualité de l'air : 2%

Niveau de risque sanitaire:

Extrême

En 2025, 2% 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

Changan, Xichang, Sichuan, 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
104AQI
2nd Janvier 2025
95AQI
3rd Janvier 2025
110AQI
4th Janvier 2025
110AQI
5th Janvier 2025
101AQI
6th Janvier 2025
113AQI
7th Janvier 2025
91AQI
8th Janvier 2025
94AQI
9th Janvier 2025
95AQI
10th Janvier 2025
88AQI
11th Janvier 2025
80AQI
12th Janvier 2025
95AQI
13th Janvier 2025
97AQI
14th Janvier 2025
89AQI
15th Janvier 2025
99AQI
16th Janvier 2025
100AQI
17th Janvier 2025
106AQI
18th Janvier 2025
93AQI
19th Janvier 2025
97AQI
20th Janvier 2025
95AQI
21st Janvier 2025
114AQI
22nd Janvier 2025
118AQI
23rd Janvier 2025
131AQI
24th Janvier 2025
114AQI
25th Janvier 2025
93AQI
26th Janvier 2025
85AQI
27th Janvier 2025
86AQI
28th Janvier 2025
98AQI
29th Janvier 2025
110AQI
30th Janvier 2025
115AQI
31st Janvier 2025
95AQI
1st Février 2025
100AQI
2nd Février 2025
91AQI
3rd Février 2025
78AQI
4th Février 2025
95AQI
5th Février 2025
95AQI
6th Février 2025
92AQI
7th Février 2025
86AQI
8th Février 2025
87AQI
9th Février 2025
83AQI
10th Février 2025
80AQI
11th Février 2025
83AQI
12th Février 2025
79AQI
13th Février 2025
79AQI
14th Février 2025
67AQI
15th Février 2025
66AQI
16th Février 2025
69AQI
17th Février 2025
66AQI
18th Février 2025
63AQI
19th Février 2025
58AQI
20th Février 2025
64AQI
21st Février 2025
61AQI
22nd Février 2025
57AQI
23rd Février 2025
58AQI
24th Février 2025
60AQI
25th Février 2025
59AQI
26th Février 2025
64AQI
27th Février 2025
67AQI
28th Février 2025
65AQI
1st Mars 2025
63AQI
2nd Mars 2025
69AQI
3rd Mars 2025
63AQI
4th Mars 2025
66AQI
5th Mars 2025
58AQI
6th Mars 2025
59AQI
7th Mars 2025
62AQI
8th Mars 2025
65AQI
9th Mars 2025
68AQI
10th Mars 2025
73AQI
11th Mars 2025
70AQI
12th Mars 2025
78AQI
13th Mars 2025
84AQI
14th Mars 2025
86AQI
15th Mars 2025
78AQI
16th Mars 2025
79AQI
17th Mars 2025
74AQI
18th Mars 2025
66AQI
19th Mars 2025
74AQI
20th Mars 2025
83AQI
21st Mars 2025
100AQI
22nd Mars 2025
100AQI
23rd Mars 2025
91AQI
24th Mars 2025
91AQI
25th Mars 2025
91AQI
26th Mars 2025
94AQI
27th Mars 2025
92AQI
28th Mars 2025
115AQI
29th Mars 2025
116AQI
30th Mars 2025
119AQI
31st Mars 2025
103AQI
1st Avril 2025
97AQI
2nd Avril 2025
98AQI
3rd Avril 2025
104AQI
4th Avril 2025
105AQI
5th Avril 2025
100AQI
6th Avril 2025
105AQI
7th Avril 2025
91AQI
8th Avril 2025
97AQI
9th Avril 2025
99AQI
10th Avril 2025
91AQI
11th Avril 2025
89AQI
12th Avril 2025
90AQI
13th Avril 2025
76AQI
14th Avril 2025
78AQI
15th Avril 2025
78AQI
16th Avril 2025
76AQI
17th Avril 2025
77AQI
18th Avril 2025
77AQI
19th Avril 2025
68AQI
20th Avril 2025
71AQI
21st Avril 2025
67AQI
22nd Avril 2025
70AQI
23rd Avril 2025
77AQI
24th Avril 2025
72AQI
25th Avril 2025
78AQI
26th Avril 2025
77AQI
27th Avril 2025
77AQI
28th Avril 2025
77AQI
29th Avril 2025
74AQI
30th Avril 2025
66AQI
1st Mai 2025
74AQI
2nd Mai 2025
70AQI
3rd Mai 2025
70AQI
4th Mai 2025
72AQI
5th Mai 2025
68AQI
6th Mai 2025
65AQI
7th Mai 2025
65AQI
8th Mai 2025
64AQI
9th Mai 2025
74AQI
10th Mai 2025
75AQI
11th Mai 2025
74AQI
12th Mai 2025
74AQI
13th Mai 2025
82AQI
14th Mai 2025
79AQI
15th Mai 2025
79AQI
16th Mai 2025
76AQI
17th Mai 2025
73AQI
18th Mai 2025
77AQI
19th Mai 2025
75AQI
20th Mai 2025
71AQI
21st Mai 2025
68AQI
22nd Mai 2025
66AQI
23rd Mai 2025
71AQI
24th Mai 2025
72AQI
25th Mai 2025
72AQI
26th Mai 2025
74AQI
27th Mai 2025
65AQI
28th Mai 2025
63AQI
29th Mai 2025
60AQI
30th Mai 2025
58AQI
31st Mai 2025
53AQI
1st Juin 2025
55AQI
2nd Juin 2025
54AQI
3rd Juin 2025
59AQI
4th Juin 2025
65AQI
5th Juin 2025
64AQI
6th Juin 2025
68AQI
7th Juin 2025
68AQI
8th Juin 2025
62AQI
9th Juin 2025
63AQI
10th Juin 2025
66AQI
11th Juin 2025
68AQI
12th Juin 2025
72AQI
13th Juin 2025
75AQI
14th Juin 2025
76AQI
15th Juin 2025
70AQI
16th Juin 2025
67AQI
17th Juin 2025
64AQI
18th Juin 2025
61AQI
19th Juin 2025
58AQI
20th Juin 2025
57AQI
21st Juin 2025
54AQI
22nd Juin 2025
49AQI
23rd Juin 2025
52AQI
24th Juin 2025
50AQI
25th Juin 2025
51AQI
26th Juin 2025
53AQI
27th Juin 2025
55AQI
28th Juin 2025
51AQI
29th Juin 2025
55AQI
30th Juin 2025
52AQI
1st Juillet 2025
54AQI
2nd Juillet 2025
50AQI
3rd Juillet 2025
53AQI
4th Juillet 2025
48AQI
5th Juillet 2025
50AQI
6th Juillet 2025
51AQI
7th Juillet 2025
53AQI
8th Juillet 2025
55AQI
9th Juillet 2025
54AQI
10th Juillet 2025
54AQI
11th Juillet 2025
56AQI
12th Juillet 2025
56AQI
13th Juillet 2025
59AQI
14th Juillet 2025
61AQI
15th Juillet 2025
59AQI
16th Juillet 2025
59AQI
17th Juillet 2025
59AQI
18th Juillet 2025
60AQI
19th Juillet 2025
57AQI
20th Juillet 2025
58AQI
21st Juillet 2025
55AQI
22nd Juillet 2025
55AQI
23rd Juillet 2025
53AQI
24th Juillet 2025
52AQI
25th Juillet 2025
55AQI
26th Juillet 2025
56AQI
27th Juillet 2025
56AQI
28th Juillet 2025
51AQI
29th Juillet 2025
59AQI
30th Juillet 2025
58AQI
31st Juillet 2025
56AQI
1st Août 2025
58AQI
2nd Août 2025
60AQI
3rd Août 2025
58AQI

100AQI

74AQI

82AQI

83AQI

70AQI

60AQI

55AQI

59AQI

Nombre de jours

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

202575AQI

19
12
28
27
4
27
3
31
2
28
3
28
3
5
191
19

Le plus élevé AQI enregistré en

Janvier

100AQI

Le plus bas AQI enregistré en

Juillet

55AQI

202452AQI

16
1
1
1
10
2
9
21
31
19
12
10
19
21
10
6
24
27
4
125
115
4

Le plus élevé AQI enregistré en

Décembre

91AQI

Le plus bas AQI enregistré en

Avril

4AQI

20236AQI

3
31
34

Le plus élevé AQI enregistré en

Novembre

8AQI

Le plus bas AQI enregistré en

Décembre

6AQI

202284AQI

1
6
11
3
1
4
18
1
12
2
1
8
1
8
44
13
3
1

Le plus élevé AQI enregistré en

Janvier

125AQI

Le plus bas AQI enregistré en

Mai

38AQI

202173AQI

1
13
14
3
2
22
4
2
22
7
2
27
1
6
11
8
22
11
16
14
17
12
15
5
10
2
10
5
1
13
8
4
66
198
39
7

Le plus élevé AQI enregistré en

Janvier

109AQI

Le plus bas AQI enregistré en

Juillet

52AQI

202071AQI

12
1
4
15
2
6
11
1
13
17
16
15
12
19
14
16
7
22
2
3
20
7
13
9
7
1
1
75
160
22
7
1
1

Le plus élevé AQI enregistré en

Décembre

131AQI

Le plus bas AQI enregistré en

Septembre

53AQI

Années les plus & moins polluées des 6 dernières années

Année la plus polluée enregistrée
2022(Moyenne)
84AQI
Année la moins polluée enregistrée
2023(Moyenne)
6AQI

La qualité de l'air annuelle de Changan pour l'année 2025 AQI (75) montre un changement moyen de pourcentage de 225.3% (empiré AQI) par rapport aux années précédentes : 2020 (71), 2021 (73), 2022 (84), 2023 (6), 2024 (52).