Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Analyse Historique de la Qualité de l'Air à Railway, Chengde, Hebei, 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

Railway, Chengde, Hebei, China

2021
2022
2023
2024
2025
AQI
.
Jours

Tendances AQI : Le plus élevé et le plus bas

AQI le plus élevé enregistré le
12th Aug 2021
94AQI
AQI le plus bas enregistré le
20th Aug 2024
20AQI

Analyse du même jour (6th August ):
Ce jour-là, l'AQI au cours des 5 années a varié de manière significative : 2025 se classe 2nd le plus élevé AQI à 62 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 : 7th Aug - 8th Aug 2025

Railway, Chengde, Hebei, China

AQI
Jour
Nuit
.

4 AM7th Aug 2025

7 PM

3 AM8th Aug 2025

Heure du jour
Heure moyenne la plus haute
12AMNaNth undefined

AQI

Heure moyenne la plus basse
12AMNaNth undefined

AQI

Heure de la nuit
Heure moyenne la plus haute
12PM7th Aug

66AQI

Heure moyenne la plus basse
6PM7th Aug

33AQI

Au cours des 24 dernières heures,

L'AQI de Railway a atteint son point le plus élevé de 66 à 12 PM pendant le Nuit, tandis que le point le plus bas, 33, a été enregistré à 6 PM pendant le Nuit entre 7th Aug et 8th Aug 2025.

Tendance AQI Jour & Nuit : Jul - Aug 2025

Railway, Chengde, Hebei, China

JulAug
09th - 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 - 08th08th
Jour
Nuit
9th Jul 2025584 AMAQI
9th Jul 2025585 AMAQI
9th Jul 2025586 AMAQI
9th Jul 2025587 AMAQI
9th Jul 2025688 AMAQI
9th Jul 2025729 AMAQI
9th Jul 20259010 AMAQI
9th Jul 20258811 AMAQI
9th Jul 20257612 PMAQI
9th Jul 2025671 PMAQI
9th Jul 2025712 PMAQI
9th Jul 2025573 PMAQI
9th Jul 2025554 PMAQI
9th Jul 2025585 PMAQI
9th Jul 2025626 PMAQI
9th Jul 2025757 PMAQI
9th Jul 2025718 PMAQI
9th Jul 2025729 PMAQI
9th Jul 20256810 PMAQI
9th Jul 20256411 PMAQI
10th Jul 20257212 AMAQI
10th Jul 2025611 AMAQI
10th Jul 2025612 AMAQI
10th Jul 2025623 AMAQI

26°C21/31°C

10th Jul 2025644 AMAQI
10th Jul 2025645 AMAQI
10th Jul 2025646 AMAQI
10th Jul 2025647 AMAQI
10th Jul 2025828 AMAQI
10th Jul 2025889 AMAQI
10th Jul 202510510 AMAQI
10th Jul 20259611 AMAQI
10th Jul 202511212 PMAQI
10th Jul 20251141 PMAQI
10th Jul 2025862 PMAQI
10th Jul 2025933 PMAQI
10th Jul 20251034 PMAQI
10th Jul 2025885 PMAQI
10th Jul 2025826 PMAQI
10th Jul 2025797 PMAQI
10th Jul 2025798 PMAQI
10th Jul 2025759 PMAQI
10th Jul 20257610 PMAQI
10th Jul 20257411 PMAQI
11th Jul 20257412 AMAQI
11th Jul 2025641 AMAQI
11th Jul 2025642 AMAQI
11th Jul 2025663 AMAQI

25°C23/29°C

11th Jul 2025714 AMAQI
11th Jul 2025705 AMAQI
11th Jul 2025706 AMAQI
11th Jul 2025707 AMAQI
11th Jul 2025938 AMAQI
11th Jul 2025949 AMAQI
11th Jul 20258310 AMAQI
11th Jul 20257911 AMAQI
11th Jul 20257412 PMAQI
11th Jul 2025681 PMAQI
11th Jul 2025722 PMAQI
11th Jul 2025763 PMAQI
11th Jul 2025824 PMAQI
11th Jul 2025785 PMAQI
11th Jul 2025796 PMAQI
11th Jul 2025787 PMAQI
11th Jul 2025748 PMAQI
11th Jul 2025729 PMAQI
11th Jul 20257510 PMAQI
11th Jul 20257411 PMAQI
12th Jul 20257812 AMAQI
12th Jul 2025691 AMAQI
12th Jul 2025682 AMAQI
12th Jul 2025703 AMAQI

26°C21/32°C

12th Jul 2025724 AMAQI
12th Jul 2025715 AMAQI
12th Jul 2025716 AMAQI
12th Jul 2025727 AMAQI
12th Jul 2025888 AMAQI
12th Jul 2025909 AMAQI
12th Jul 202510410 AMAQI
12th Jul 202510011 AMAQI
12th Jul 202510012 PMAQI
12th Jul 20251041 PMAQI
12th Jul 20251022 PMAQI
12th Jul 20251113 PMAQI
12th Jul 20251114 PMAQI
12th Jul 2025965 PMAQI
12th Jul 2025836 PMAQI
12th Jul 2025677 PMAQI
12th Jul 2025618 PMAQI
12th Jul 2025689 PMAQI
12th Jul 20256710 PMAQI
12th Jul 20256411 PMAQI
13th Jul 20256412 AMAQI
13th Jul 2025701 AMAQI
13th Jul 2025702 AMAQI
13th Jul 2025723 AMAQI

25°C18/34°C

13th Jul 2025764 AMAQI
13th Jul 2025765 AMAQI
13th Jul 2025766 AMAQI
13th Jul 2025757 AMAQI
13th Jul 2025688 AMAQI
13th Jul 2025489 AMAQI
13th Jul 20253610 AMAQI
13th Jul 20253811 AMAQI
13th Jul 20255512 PMAQI
13th Jul 2025411 PMAQI
13th Jul 2025502 PMAQI
13th Jul 2025503 PMAQI
13th Jul 2025454 PMAQI
13th Jul 2025435 PMAQI
13th Jul 2025466 PMAQI
13th Jul 2025527 PMAQI
13th Jul 2025628 PMAQI
13th Jul 2025709 PMAQI
13th Jul 20256410 PMAQI
13th Jul 20256111 PMAQI
14th Jul 20256612 AMAQI
14th Jul 2025701 AMAQI
14th Jul 2025712 AMAQI
14th Jul 2025693 AMAQI

25°C19/33°C

14th Jul 2025664 AMAQI
14th Jul 2025665 AMAQI
14th Jul 2025656 AMAQI
14th Jul 2025667 AMAQI
14th Jul 2025438 AMAQI
14th Jul 2025289 AMAQI
14th Jul 20252710 AMAQI
14th Jul 20252811 AMAQI
14th Jul 20253412 PMAQI
14th Jul 2025361 PMAQI
14th Jul 2025332 PMAQI
14th Jul 2025353 PMAQI
14th Jul 2025404 PMAQI
14th Jul 2025445 PMAQI
14th Jul 2025526 PMAQI
14th Jul 2025577 PMAQI
14th Jul 2025658 PMAQI
14th Jul 2025659 PMAQI
14th Jul 20256710 PMAQI
14th Jul 20256211 PMAQI
15th Jul 20256312 AMAQI
15th Jul 2025681 AMAQI
15th Jul 2025672 AMAQI
15th Jul 2025653 AMAQI

26°C19/31°C

15th Jul 2025634 AMAQI
15th Jul 2025635 AMAQI
15th Jul 2025636 AMAQI
15th Jul 2025637 AMAQI
15th Jul 2025558 AMAQI
15th Jul 2025589 AMAQI
15th Jul 20256310 AMAQI
15th Jul 20256011 AMAQI
15th Jul 20255812 PMAQI
15th Jul 2025551 PMAQI
15th Jul 2025562 PMAQI
15th Jul 2025513 PMAQI
15th Jul 2025444 PMAQI
15th Jul 2025525 PMAQI
15th Jul 2025366 PMAQI
15th Jul 2025487 PMAQI
15th Jul 2025598 PMAQI
15th Jul 2025609 PMAQI
15th Jul 20256010 PMAQI
15th Jul 20256011 PMAQI
16th Jul 20255712 AMAQI
16th Jul 2025631 AMAQI
16th Jul 2025662 AMAQI
16th Jul 2025643 AMAQI

20°C17/23°C

16th Jul 2025634 AMAQI
16th Jul 2025635 AMAQI
16th Jul 2025636 AMAQI
16th Jul 2025637 AMAQI
16th Jul 2025378 AMAQI
16th Jul 2025309 AMAQI
16th Jul 20253110 AMAQI
16th Jul 20253011 AMAQI
16th Jul 20252812 PMAQI
16th Jul 2025311 PMAQI
16th Jul 2025362 PMAQI
16th Jul 2025463 PMAQI
16th Jul 2025414 PMAQI
16th Jul 2025485 PMAQI
16th Jul 2025326 PMAQI
16th Jul 2025427 PMAQI
16th Jul 2025538 PMAQI
16th Jul 2025629 PMAQI
16th Jul 20255910 PMAQI
16th Jul 20256311 PMAQI
17th Jul 20256012 AMAQI
17th Jul 2025641 AMAQI
17th Jul 2025632 AMAQI
17th Jul 2025623 AMAQI

21°C18/26°C

17th Jul 2025594 AMAQI
17th Jul 2025585 AMAQI
17th Jul 2025596 AMAQI
17th Jul 2025597 AMAQI
17th Jul 2025388 AMAQI
17th Jul 2025309 AMAQI
17th Jul 20252610 AMAQI
17th Jul 20253011 AMAQI
17th Jul 20253312 PMAQI
17th Jul 2025341 PMAQI
17th Jul 2025312 PMAQI
17th Jul 2025293 PMAQI
17th Jul 2025274 PMAQI
17th Jul 2025325 PMAQI
17th Jul 2025436 PMAQI
17th Jul 2025407 PMAQI
17th Jul 2025528 PMAQI
17th Jul 2025629 PMAQI
17th Jul 20256310 PMAQI
17th Jul 20255611 PMAQI
18th Jul 20255612 AMAQI
18th Jul 2025611 AMAQI
18th Jul 2025612 AMAQI
18th Jul 2025603 AMAQI

23°C17/28°C

18th Jul 2025584 AMAQI
18th Jul 2025575 AMAQI
18th Jul 2025586 AMAQI
18th Jul 2025587 AMAQI
18th Jul 2025448 AMAQI
18th Jul 2025459 AMAQI
18th Jul 20253110 AMAQI
18th Jul 20252711 AMAQI
18th Jul 20253212 PMAQI
18th Jul 2025331 PMAQI
18th Jul 2025382 PMAQI
18th Jul 2025373 PMAQI
18th Jul 2025354 PMAQI
18th Jul 2025305 PMAQI
18th Jul 2025386 PMAQI
18th Jul 2025547 PMAQI
18th Jul 2025578 PMAQI
18th Jul 2025569 PMAQI
18th Jul 20255610 PMAQI
18th Jul 20255911 PMAQI
19th Jul 20255812 AMAQI
19th Jul 2025591 AMAQI
19th Jul 2025602 AMAQI
19th Jul 2025583 AMAQI

25°C19/31°C

19th Jul 2025564 AMAQI
19th Jul 2025575 AMAQI
19th Jul 2025566 AMAQI
19th Jul 2025567 AMAQI
19th Jul 2025508 AMAQI
19th Jul 2025549 AMAQI
19th Jul 20257110 AMAQI
19th Jul 20257311 AMAQI
19th Jul 20255812 PMAQI
19th Jul 2025651 PMAQI
19th Jul 2025682 PMAQI
19th Jul 2025683 PMAQI
19th Jul 2025774 PMAQI
19th Jul 2025735 PMAQI
19th Jul 2025736 PMAQI
19th Jul 2025687 PMAQI
19th Jul 2025668 PMAQI
19th Jul 2025629 PMAQI
19th Jul 20256510 PMAQI
19th Jul 20256611 PMAQI
20th Jul 20256612 AMAQI
20th Jul 2025591 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 2025658 AMAQI
20th Jul 2025679 AMAQI
20th Jul 20256610 AMAQI
20th Jul 20255611 AMAQI
20th Jul 20254412 PMAQI
20th Jul 2025321 PMAQI
20th Jul 2025262 PMAQI
20th Jul 2025413 PMAQI
20th Jul 2025384 PMAQI
20th Jul 2025385 PMAQI
20th Jul 2025226 PMAQI
20th Jul 2025387 PMAQI
20th Jul 2025528 PMAQI
20th Jul 2025539 PMAQI
20th Jul 20255410 PMAQI
20th Jul 20255811 PMAQI
21st Jul 20255512 AMAQI
21st Jul 2025611 AMAQI
21st Jul 2025602 AMAQI
21st Jul 2025603 AMAQI

20°C18/21°C

21st Jul 2025594 AMAQI
21st Jul 2025595 AMAQI
21st Jul 2025606 AMAQI
21st Jul 2025597 AMAQI
21st Jul 2025488 AMAQI
21st Jul 2025269 AMAQI
21st Jul 20253010 AMAQI
21st Jul 20252411 AMAQI
21st Jul 20252612 PMAQI
21st Jul 2025301 PMAQI
21st Jul 2025442 PMAQI
21st Jul 2025353 PMAQI
21st Jul 2025354 PMAQI
21st Jul 2025335 PMAQI
21st Jul 2025286 PMAQI
21st Jul 2025427 PMAQI
21st Jul 2025588 PMAQI
21st Jul 2025609 PMAQI
21st Jul 20255410 PMAQI
21st Jul 20255611 PMAQI
22nd Jul 20255812 AMAQI
22nd Jul 2025591 AMAQI
22nd Jul 2025602 AMAQI
22nd Jul 2025583 AMAQI

25°C18/33°C

22nd Jul 2025564 AMAQI
22nd Jul 2025565 AMAQI
22nd Jul 2025566 AMAQI
22nd Jul 2025567 AMAQI
22nd Jul 2025538 AMAQI
22nd Jul 2025469 AMAQI
22nd Jul 20255010 AMAQI
22nd Jul 20254911 AMAQI
22nd Jul 20255812 PMAQI
22nd Jul 2025591 PMAQI
22nd Jul 2025562 PMAQI
22nd Jul 2025543 PMAQI
22nd Jul 2025504 PMAQI
22nd Jul 2025425 PMAQI
22nd Jul 2025486 PMAQI
22nd Jul 2025627 PMAQI
22nd Jul 2025658 PMAQI
22nd Jul 2025749 PMAQI
22nd Jul 20256910 PMAQI
22nd Jul 20256611 PMAQI
23rd Jul 20256412 AMAQI
23rd Jul 2025591 AMAQI
23rd Jul 2025592 AMAQI
23rd Jul 2025593 AMAQI

25°C19/31°C

23rd Jul 2025584 AMAQI
23rd Jul 2025575 AMAQI
23rd Jul 2025586 AMAQI
23rd Jul 2025577 AMAQI
23rd Jul 2025738 AMAQI
23rd Jul 2025759 AMAQI
23rd Jul 20257210 AMAQI
23rd Jul 20257911 AMAQI
23rd Jul 20257412 PMAQI
23rd Jul 2025681 PMAQI
23rd Jul 2025642 PMAQI
23rd Jul 2025673 PMAQI
23rd Jul 2025644 PMAQI
23rd Jul 2025645 PMAQI
23rd Jul 2025586 PMAQI
23rd Jul 2025617 PMAQI
23rd Jul 2025648 PMAQI
23rd Jul 2025669 PMAQI
23rd Jul 20256110 PMAQI
23rd Jul 20256211 PMAQI
24th Jul 20256412 AMAQI
24th Jul 2025601 AMAQI
24th Jul 2025602 AMAQI
24th Jul 2025623 AMAQI

24°C20/29°C

24th Jul 2025634 AMAQI
24th Jul 2025635 AMAQI
24th Jul 2025636 AMAQI
24th Jul 2025637 AMAQI
24th Jul 2025368 AMAQI
24th Jul 2025229 AMAQI
24th Jul 20252110 AMAQI
24th Jul 20253711 AMAQI
24th Jul 20253512 PMAQI
24th Jul 2025341 PMAQI
24th Jul 2025322 PMAQI
24th Jul 2025463 PMAQI
24th Jul 2025404 PMAQI
24th Jul 2025415 PMAQI
24th Jul 2025376 PMAQI
24th Jul 2025587 PMAQI
24th Jul 2025608 PMAQI
24th Jul 2025579 PMAQI
24th Jul 20255610 PMAQI
24th Jul 20255411 PMAQI
25th Jul 20255512 AMAQI
25th Jul 2025611 AMAQI
25th Jul 2025622 AMAQI
25th Jul 2025603 AMAQI

23°C20/26°C

25th Jul 2025584 AMAQI
25th Jul 2025585 AMAQI
25th Jul 2025586 AMAQI
25th Jul 2025577 AMAQI
25th Jul 2025398 AMAQI
25th Jul 2025349 AMAQI
25th Jul 20252410 AMAQI
25th Jul 20252411 AMAQI
25th Jul 20252412 PMAQI
25th Jul 2025541 PMAQI
25th Jul 2025642 PMAQI
25th Jul 2025633 PMAQI
25th Jul 2025744 PMAQI
25th Jul 2025815 PMAQI
25th Jul 2025686 PMAQI
25th Jul 2025707 PMAQI
25th Jul 2025688 PMAQI
25th Jul 2025689 PMAQI
25th Jul 20256510 PMAQI
25th Jul 20256011 PMAQI
26th Jul 20256012 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 2025838 AMAQI
26th Jul 2025939 AMAQI
26th Jul 20258210 AMAQI
26th Jul 20258011 AMAQI
26th Jul 20257912 PMAQI
26th Jul 2025761 PMAQI
26th Jul 2025832 PMAQI
26th Jul 2025783 PMAQI
26th Jul 2025784 PMAQI
26th Jul 2025685 PMAQI
26th Jul 2025606 PMAQI
26th Jul 2025697 PMAQI
26th Jul 2025628 PMAQI
26th Jul 2025529 PMAQI
26th Jul 20255210 PMAQI
26th Jul 20255211 PMAQI
27th Jul 20255112 AMAQI
27th Jul 2025571 AMAQI
27th Jul 2025582 AMAQI
27th Jul 2025613 AMAQI

24°C22/28°C

27th Jul 2025634 AMAQI
27th Jul 2025645 AMAQI
27th Jul 2025636 AMAQI
27th Jul 2025647 AMAQI
27th Jul 2025518 AMAQI
27th Jul 2025359 AMAQI
27th Jul 20254410 AMAQI
27th Jul 20254611 AMAQI
27th Jul 20254812 PMAQI
27th Jul 2025431 PMAQI
27th Jul 2025522 PMAQI
27th Jul 2025483 PMAQI
27th Jul 2025634 PMAQI
27th Jul 2025655 PMAQI
27th Jul 2025496 PMAQI
27th Jul 2025397 PMAQI
27th Jul 2025528 PMAQI
27th Jul 2025569 PMAQI
27th Jul 20255410 PMAQI
27th Jul 20255511 PMAQI
28th Jul 20255512 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 2025368 AMAQI
28th Jul 2025279 AMAQI
28th Jul 20253010 AMAQI
28th Jul 20252311 AMAQI
28th Jul 20252512 PMAQI
28th Jul 2025241 PMAQI
28th Jul 2025222 PMAQI
28th Jul 2025213 PMAQI
28th Jul 2025254 PMAQI
28th Jul 2025265 PMAQI
28th Jul 2025246 PMAQI
28th Jul 2025337 PMAQI
28th Jul 2025528 PMAQI
28th Jul 2025529 PMAQI
28th Jul 20255610 PMAQI
28th Jul 20255811 PMAQI
29th Jul 20255712 AMAQI
29th Jul 2025581 AMAQI
29th Jul 2025582 AMAQI
29th Jul 2025563 AMAQI

25°C22/29°C

29th Jul 2025544 AMAQI
29th Jul 2025545 AMAQI
29th Jul 2025546 AMAQI
29th Jul 2025547 AMAQI
29th Jul 2025318 AMAQI
29th Jul 2025279 AMAQI
29th Jul 20253810 AMAQI
29th Jul 20252311 AMAQI
29th Jul 20252212 PMAQI
29th Jul 2025221 PMAQI
29th Jul 2025372 PMAQI
29th Jul 2025303 PMAQI
29th Jul 2025284 PMAQI
29th Jul 2025265 PMAQI
29th Jul 2025346 PMAQI
29th Jul 2025517 PMAQI
29th Jul 2025638 PMAQI
29th Jul 2025549 PMAQI
29th Jul 20255310 PMAQI
29th Jul 20255411 PMAQI
30th Jul 20255512 AMAQI
30th Jul 2025561 AMAQI
30th Jul 2025562 AMAQI
30th Jul 2025543 AMAQI

21°C18/23°C

30th Jul 2025534 AMAQI
30th Jul 2025535 AMAQI
30th Jul 2025526 AMAQI
30th Jul 2025537 AMAQI
30th Jul 2025468 AMAQI
30th Jul 2025319 AMAQI
30th Jul 20253410 AMAQI
30th Jul 20254611 AMAQI
30th Jul 20253812 PMAQI
30th Jul 2025471 PMAQI
30th Jul 2025302 PMAQI
30th Jul 2025373 PMAQI
30th Jul 2025304 PMAQI
30th Jul 2025305 PMAQI
30th Jul 2025386 PMAQI
30th Jul 2025417 PMAQI
30th Jul 2025508 PMAQI
30th Jul 2025569 PMAQI
30th Jul 20255810 PMAQI
30th Jul 20255611 PMAQI
31st Jul 20255412 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 20253610 AMAQI
31st Jul 20253911 AMAQI
31st Jul 20253212 PMAQI
31st Jul 2025421 PMAQI
31st Jul 2025502 PMAQI
31st Jul 2025543 PMAQI
31st Jul 2025584 PMAQI
31st Jul 2025345 PMAQI
31st Jul 2025366 PMAQI
31st Jul 2025607 PMAQI
31st Jul 2025628 PMAQI
31st Jul 2025599 PMAQI
31st Jul 20256210 PMAQI
31st Jul 20256211 PMAQI
1st Aug 20256112 AMAQI
1st Aug 2025571 AMAQI
1st Aug 2025562 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 2025768 AMAQI
1st Aug 2025699 AMAQI
1st Aug 20257110 AMAQI
1st Aug 20257311 AMAQI
1st Aug 20256812 PMAQI
1st Aug 2025661 PMAQI
1st Aug 2025642 PMAQI
1st Aug 2025623 PMAQI
1st Aug 2025614 PMAQI
1st Aug 2025605 PMAQI
1st Aug 2025566 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
2nd Aug 2025615 AMAQI
2nd Aug 2025606 AMAQI
2nd Aug 2025607 AMAQI
2nd Aug 2025788 AMAQI
2nd Aug 2025789 AMAQI
2nd Aug 20257310 AMAQI
2nd Aug 20257111 AMAQI
2nd Aug 20257212 PMAQI
2nd Aug 2025671 PMAQI
2nd Aug 2025682 PMAQI
2nd Aug 2025693 PMAQI
2nd Aug 2025704 PMAQI
2nd Aug 2025645 PMAQI
2nd Aug 2025636 PMAQI
2nd Aug 2025667 PMAQI
2nd Aug 2025628 PMAQI
2nd Aug 2025619 PMAQI
2nd Aug 20256210 PMAQI
2nd Aug 20256011 PMAQI
3rd Aug 20256312 AMAQI
3rd Aug 2025591 AMAQI
3rd Aug 2025592 AMAQI
3rd Aug 2025613 AMAQI

24°C20/29°C

3rd Aug 2025624 AMAQI
3rd Aug 2025615 AMAQI
3rd Aug 2025626 AMAQI
3rd Aug 2025617 AMAQI
3rd Aug 2025608 AMAQI
3rd Aug 2025649 AMAQI
3rd Aug 20256310 AMAQI
3rd Aug 20255811 AMAQI
3rd Aug 20256912 PMAQI
3rd Aug 2025581 PMAQI
3rd Aug 2025552 PMAQI
3rd Aug 2025623 PMAQI
3rd Aug 2025584 PMAQI
3rd Aug 2025665 PMAQI
3rd Aug 2025626 PMAQI
3rd Aug 2025677 PMAQI
3rd Aug 2025648 PMAQI
3rd Aug 2025629 PMAQI
3rd Aug 20256210 PMAQI
3rd Aug 20256411 PMAQI
4th Aug 20256012 AMAQI
4th Aug 2025601 AMAQI
4th Aug 2025602 AMAQI
4th Aug 2025603 AMAQI

24°C21/27°C

4th Aug 2025604 AMAQI
4th Aug 2025595 AMAQI
4th Aug 2025596 AMAQI
4th Aug 2025607 AMAQI
4th Aug 2025658 AMAQI
4th Aug 2025689 AMAQI
4th Aug 20256910 AMAQI
4th Aug 20256711 AMAQI
4th Aug 20257012 PMAQI
4th Aug 2025691 PMAQI
4th Aug 2025622 PMAQI
4th Aug 2025603 PMAQI
4th Aug 2025534 PMAQI
4th Aug 2025585 PMAQI
4th Aug 2025626 PMAQI
4th Aug 2025627 PMAQI
4th Aug 2025628 PMAQI
4th Aug 2025639 PMAQI
4th Aug 20256410 PMAQI
4th Aug 20256211 PMAQI
5th Aug 20255912 AMAQI
5th Aug 2025591 AMAQI
5th Aug 2025592 AMAQI
5th Aug 2025593 AMAQI

24°C21/27°C

5th Aug 2025614 AMAQI
5th Aug 2025615 AMAQI
5th Aug 2025626 AMAQI
5th Aug 2025607 AMAQI
5th Aug 2025618 AMAQI
5th Aug 2025569 AMAQI
5th Aug 20255610 AMAQI
5th Aug 20254911 AMAQI
5th Aug 20255112 PMAQI
5th Aug 2025551 PMAQI
5th Aug 2025502 PMAQI
5th Aug 2025563 PMAQI
5th Aug 2025594 PMAQI
5th Aug 2025525 PMAQI
5th Aug 2025536 PMAQI
5th Aug 2025557 PMAQI
5th Aug 2025608 PMAQI
5th Aug 2025629 PMAQI
5th Aug 20256410 PMAQI
5th Aug 20256611 PMAQI
6th Aug 20256212 AMAQI
6th Aug 2025601 AMAQI
6th Aug 2025602 AMAQI
6th Aug 2025603 AMAQI

24°C22/29°C

6th Aug 2025594 AMAQI
6th Aug 2025605 AMAQI
6th Aug 2025606 AMAQI
6th Aug 2025607 AMAQI
6th Aug 2025748 AMAQI
6th Aug 2025659 AMAQI
6th Aug 20256810 AMAQI
6th Aug 20256611 AMAQI
6th Aug 20256912 PMAQI
6th Aug 2025621 PMAQI
6th Aug 2025742 PMAQI
6th Aug 2025523 PMAQI
6th Aug 2025544 PMAQI
6th Aug 2025605 PMAQI
6th Aug 2025576 PMAQI
6th Aug 2025567 PMAQI
6th Aug 2025588 PMAQI
6th Aug 2025629 PMAQI
6th Aug 20256110 PMAQI
6th Aug 20256111 PMAQI
7th Aug 20256512 AMAQI
7th Aug 2025611 AMAQI
7th Aug 2025602 AMAQI
7th Aug 2025603 AMAQI

26°C20/32°C

7th Aug 2025624 AMAQI
7th Aug 2025625 AMAQI
7th Aug 2025606 AMAQI
7th Aug 2025627 AMAQI
7th Aug 2025558 AMAQI
7th Aug 2025609 AMAQI
7th Aug 20256010 AMAQI
7th Aug 20256011 AMAQI
7th Aug 20256612 PMAQI
7th Aug 2025551 PMAQI
7th Aug 2025382 PMAQI
7th Aug 2025393 PMAQI
7th Aug 2025384 PMAQI
7th Aug 2025535 PMAQI
7th Aug 2025336 PMAQI
7th Aug 2025417 PMAQI
7th Aug 2025578 PMAQI
7th Aug 2025639 PMAQI
7th Aug 20256210 PMAQI
7th Aug 20255511 PMAQI
8th Aug 20255612 AMAQI
8th Aug 2025621 AMAQI
8th Aug 2025622 AMAQI
8th Aug 2025623 AMAQI

--°C/°C

8th Aug 2025624 AMAQI
4 AM
11 AM
7 PM
11 PM
3 AM

--°C/°C

Heure du jour
Heure moyenne la plus haute
4 AM - 8 AM

60AQI

5 heures / Jour
150 heures / Mois
Heure moyenne la plus basse
6 PM

50AQI

1 heures / Jour
30 heures / Mois
Au cours des 30 derniers jours, pendant la journée, l'AQI le plus élevé était entre 4 AM à 8 AM (Moyenne 60), tandis que l'AQI le plus bas était entre 6 PM à 6 PM (Moyenne 50).
Heure de la nuit
Heure moyenne la plus haute
12 AM - 11 PM

61AQI

8 heures / Jour
240 heures / Mois
Heure moyenne la plus basse
12 AM - 11 PM

61AQI

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 11 PM (Moyenne 61), tandis que l'AQI le plus bas était entre 12 AM à 11 PM (Moyenne 61).

Jours de 2025 Vs Qualité de l'Air

Railway, Chengde, Hebei, China

2025

13%

29

76%

166

10%

21

0.9%

2

Nombre total de jours avec différentes catégories AQI au cours des 219 derniers jours de 2025 (146 jours restants)

Bon
29 Jours
Modéré
166 Jours
Pauvre
21 Jours
Non sain
2 Jours
Sévère
0 Jours
Dangereux
0 Jours

Sous les limites sécuritaires de l'OMS pour la qualité de l'air : 13%

Niveau de risque sanitaire:

Extrême

En 2025, 13% des 219 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

Railway, Chengde, Hebei, 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
96AQI
2nd Janvier 2025
67AQI
3rd Janvier 2025
83AQI
4th Janvier 2025
99AQI
5th Janvier 2025
86AQI
6th Janvier 2025
59AQI
7th Janvier 2025
62AQI
8th Janvier 2025
48AQI
9th Janvier 2025
47AQI
10th Janvier 2025
53AQI
11th Janvier 2025
69AQI
12th Janvier 2025
70AQI
13th Janvier 2025
78AQI
14th Janvier 2025
60AQI
15th Janvier 2025
66AQI
16th Janvier 2025
83AQI
17th Janvier 2025
102AQI
18th Janvier 2025
120AQI
19th Janvier 2025
92AQI
20th Janvier 2025
114AQI
21st Janvier 2025
92AQI
22nd Janvier 2025
90AQI
23rd Janvier 2025
119AQI
24th Janvier 2025
137AQI
25th Janvier 2025
155AQI
26th Janvier 2025
101AQI
27th Janvier 2025
74AQI
28th Janvier 2025
69AQI
29th Janvier 2025
103AQI
30th Janvier 2025
74AQI
31st Janvier 2025
115AQI
1st Février 2025
124AQI
2nd Février 2025
90AQI
3rd Février 2025
68AQI
4th Février 2025
58AQI
5th Février 2025
52AQI
6th Février 2025
56AQI
7th Février 2025
43AQI
8th Février 2025
40AQI
9th Février 2025
50AQI
10th Février 2025
81AQI
11th Février 2025
117AQI
12th Février 2025
76AQI
13th Février 2025
97AQI
14th Février 2025
82AQI
15th Février 2025
98AQI
16th Février 2025
52AQI
17th Février 2025
60AQI
18th Février 2025
55AQI
19th Février 2025
53AQI
20th Février 2025
50AQI
21st Février 2025
47AQI
22nd Février 2025
50AQI
23rd Février 2025
41AQI
24th Février 2025
57AQI
25th Février 2025
59AQI
26th Février 2025
69AQI
27th Février 2025
109AQI
28th Février 2025
115AQI
1st Mars 2025
148AQI
2nd Mars 2025
84AQI
3rd Mars 2025
94AQI
4th Mars 2025
93AQI
5th Mars 2025
87AQI
6th Mars 2025
65AQI
7th Mars 2025
84AQI
8th Mars 2025
116AQI
9th Mars 2025
129AQI
10th Mars 2025
150AQI
11th Mars 2025
161AQI
12th Mars 2025
84AQI
13th Mars 2025
104AQI
14th Mars 2025
105AQI
15th Mars 2025
77AQI
16th Mars 2025
72AQI
17th Mars 2025
60AQI
18th Mars 2025
51AQI
19th Mars 2025
53AQI
20th Mars 2025
45AQI
21st Mars 2025
48AQI
22nd Mars 2025
50AQI
23rd Mars 2025
90AQI
24th Mars 2025
51AQI
25th Mars 2025
56AQI
26th Mars 2025
88AQI
27th Mars 2025
54AQI
28th Mars 2025
60AQI
29th Mars 2025
48AQI
30th Mars 2025
54AQI
31st Mars 2025
60AQI
1st Avril 2025
57AQI
2nd Avril 2025
47AQI
3rd Avril 2025
57AQI
4th Avril 2025
68AQI
5th Avril 2025
45AQI
6th Avril 2025
61AQI
7th Avril 2025
70AQI
8th Avril 2025
54AQI
9th Avril 2025
69AQI
10th Avril 2025
66AQI
11th Avril 2025
105AQI
12th Avril 2025
69AQI
13th Avril 2025
70AQI
14th Avril 2025
59AQI
15th Avril 2025
75AQI
16th Avril 2025
83AQI
17th Avril 2025
78AQI
18th Avril 2025
57AQI
19th Avril 2025
54AQI
20th Avril 2025
69AQI
21st Avril 2025
85AQI
22nd Avril 2025
55AQI
23rd Avril 2025
72AQI
24th Avril 2025
48AQI
25th Avril 2025
54AQI
26th Avril 2025
81AQI
27th Avril 2025
46AQI
28th Avril 2025
56AQI
29th Avril 2025
62AQI
30th Avril 2025
57AQI
1st Mai 2025
51AQI
2nd Mai 2025
63AQI
3rd Mai 2025
50AQI
4th Mai 2025
55AQI
5th Mai 2025
71AQI
6th Mai 2025
55AQI
7th Mai 2025
85AQI
8th Mai 2025
103AQI
9th Mai 2025
64AQI
10th Mai 2025
74AQI
11th Mai 2025
72AQI
12th Mai 2025
78AQI
13th Mai 2025
92AQI
14th Mai 2025
66AQI
15th Mai 2025
72AQI
16th Mai 2025
95AQI
17th Mai 2025
66AQI
18th Mai 2025
63AQI
19th Mai 2025
65AQI
20th Mai 2025
99AQI
21st Mai 2025
84AQI
22nd Mai 2025
106AQI
23rd Mai 2025
76AQI
24th Mai 2025
70AQI
25th Mai 2025
79AQI
26th Mai 2025
79AQI
27th Mai 2025
67AQI
28th Mai 2025
75AQI
29th Mai 2025
92AQI
30th Mai 2025
99AQI
31st Mai 2025
98AQI
1st Juin 2025
91AQI
2nd Juin 2025
72AQI
3rd Juin 2025
53AQI
4th Juin 2025
52AQI
5th Juin 2025
54AQI
6th Juin 2025
52AQI
7th Juin 2025
59AQI
8th Juin 2025
57AQI
9th Juin 2025
68AQI
10th Juin 2025
50AQI
11th Juin 2025
62AQI
12th Juin 2025
77AQI
13th Juin 2025
74AQI
14th Juin 2025
81AQI
15th Juin 2025
57AQI
16th Juin 2025
55AQI
17th Juin 2025
61AQI
18th Juin 2025
68AQI
19th Juin 2025
65AQI
20th Juin 2025
56AQI
21st Juin 2025
49AQI
22nd Juin 2025
46AQI
23rd Juin 2025
55AQI
24th Juin 2025
65AQI
25th Juin 2025
76AQI
26th Juin 2025
69AQI
27th Juin 2025
79AQI
28th Juin 2025
64AQI
29th Juin 2025
74AQI
30th Juin 2025
69AQI
1st Juillet 2025
65AQI
2nd Juillet 2025
66AQI
3rd Juillet 2025
62AQI
4th Juillet 2025
61AQI
5th Juillet 2025
58AQI
6th Juillet 2025
48AQI
7th Juillet 2025
56AQI
8th Juillet 2025
59AQI
9th Juillet 2025
66AQI
10th Juillet 2025
79AQI
11th Juillet 2025
74AQI
12th Juillet 2025
80AQI
13th Juillet 2025
60AQI
14th Juillet 2025
55AQI
15th Juillet 2025
58AQI
16th Juillet 2025
51AQI
17th Juillet 2025
48AQI
18th Juillet 2025
49AQI
19th Juillet 2025
63AQI
20th Juillet 2025
51AQI
21st Juillet 2025
47AQI
22nd Juillet 2025
57AQI
23rd Juillet 2025
63AQI
24th Juillet 2025
50AQI
25th Juillet 2025
58AQI
26th Juillet 2025
65AQI
27th Juillet 2025
54AQI
28th Juillet 2025
43AQI
29th Juillet 2025
45AQI
30th Juillet 2025
47AQI
31st Juillet 2025
52AQI
1st Août 2025
62AQI
2nd Août 2025
64AQI
3rd Août 2025
62AQI
4th Août 2025
62AQI
5th Août 2025
58AQI
6th Août 2025
62AQI

87AQI

70AQI

81AQI

64AQI

76AQI

64AQI

58AQI

62AQI

Nombre de jours

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

202571AQI

2
20
8
1
7
17
4
4
20
6
1
4
25
1
1
28
2
3
27
8
23
6
29
166
21
2

Le plus élevé AQI enregistré en

Janvier

87AQI

Le plus bas AQI enregistré en

Juillet

58AQI

202473AQI

7
11
9
4
3
13
10
3
4
19
6
2
10
15
5
10
18
3
8
18
4
8
20
3
17
14
21
9
11
14
5
1
4
17
6
3
2
27
2
105
195
53
13

Le plus élevé AQI enregistré en

Février

93AQI

Le plus bas AQI enregistré en

Septembre

45AQI

202380AQI

1
12
15
3
14
10
4
17
10
3
1
1
19
5
3
2
4
24
2
1
13
15
2
12
17
2
15
16
15
11
4
15
12
4
13
9
4
3
5
14
8
4
94
180
62
24
4

Le plus élevé AQI enregistré en

Février

105AQI

Le plus bas AQI enregistré en

Août

53AQI

202283AQI

14
11
6
15
6
21
9
1
3
18
8
1
2
28
1
4
18
8
5
19
1
8
17
4
12
8
11
4
16
7
3
3
22
6
41
197
71
11

Le plus élevé AQI enregistré en

Janvier

110AQI

Le plus bas AQI enregistré en

Août

51AQI

202185AQI

15
10
6
15
9
4
10
9
9
1
2
1
21
7
1
1
24
4
1
1
1
28
1
11
19
1
11
20
7
12
14
13
4
3
13
11
3
2
15
13
1
51
205
69
24
2
3

Le plus élevé AQI enregistré en

Mars

135AQI

Le plus bas AQI enregistré en

Juillet

53AQI

202076AQI

2
9
1
1
4
14
3
8
6
4
5
22
3
1
24
6
5
25
1
15
14
1
7
16
5
3
2
19
8
1
4
17
9
1
53
166
41
6

Le plus élevé AQI enregistré en

Décembre

90AQI

Le plus bas AQI enregistré en

Septembre

57AQI

Années les plus & moins polluées des 6 dernières années

Année la plus polluée enregistrée
2021(Moyenne)
85AQI
Année la moins polluée enregistrée
2025(Moyenne)
71AQI

La qualité de l'air annuelle de Railway pour l'année 2025 AQI (71) montre un changement moyen de pourcentage de -9.9% (amélioré AQI) par rapport aux années précédentes : 2020 (76), 2021 (85), 2022 (83), 2023 (80), 2024 (73).