Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Analyse Historique de la Qualité de l'Air à City Epa, Yiyang, Hunan, 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

City Epa, Yiyang, Hunan, China

2021
2022
2023
2024
2025
AQI
.
Jours

Tendances AQI : Le plus élevé et le plus bas

AQI le plus élevé enregistré le
19th Aug 2023
119AQI
AQI le plus bas enregistré le
26th Aug 2021
30AQI

Analyse du même jour (7th August ):
Ce jour-là, l'AQI au cours des 5 années a varié de manière significative : 2025 se classe 4th le plus élevé AQI à 50 de Bon qualité de l'air, montrant une amélioration par rapport à 2024, 2023 et 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

City Epa, Yiyang, Hunan, China

AQI
Jour
Nuit
.

5 AM7th Aug 2025

7 PM

4 AM8th Aug 2025

Heure du jour
Heure moyenne la plus haute
5AM7th Aug

59AQI

Heure moyenne la plus basse
3PM7th Aug

27AQI

Heure de la nuit
Heure moyenne la plus haute
1AM8th Aug

60AQI

Heure moyenne la plus basse
11PM7th Aug

50AQI

Au cours des 24 dernières heures,

L'AQI de City Epa a atteint son point le plus élevé de 60 à 1 AM pendant le Nuit, tandis que le point le plus bas, 27, a été enregistré à 3 PM pendant le Jour entre 7th Aug et 8th Aug 2025.

Tendance AQI Jour & Nuit : Jul - Aug 2025

City Epa, Yiyang, Hunan, 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 2025635 AMAQI
9th Jul 2025646 AMAQI
9th Jul 2025647 AMAQI
9th Jul 2025808 AMAQI
9th Jul 2025839 AMAQI
9th Jul 20258610 AMAQI
9th Jul 20258411 AMAQI
9th Jul 20257212 PMAQI
9th Jul 2025641 PMAQI
9th Jul 2025682 PMAQI
9th Jul 2025703 PMAQI
9th Jul 2025384 PMAQI
9th Jul 2025295 PMAQI
9th Jul 2025346 PMAQI
9th Jul 2025407 PMAQI
9th Jul 2025548 PMAQI
9th Jul 2025559 PMAQI
9th Jul 20256110 PMAQI
9th Jul 20255411 PMAQI
10th Jul 20255612 AMAQI
10th Jul 2025621 AMAQI
10th Jul 2025622 AMAQI
10th Jul 2025643 AMAQI
10th Jul 2025664 AMAQI

30°C25/35°C

10th Jul 2025665 AMAQI
10th Jul 2025666 AMAQI
10th Jul 2025657 AMAQI
10th Jul 2025538 AMAQI
10th Jul 2025339 AMAQI
10th Jul 20254010 AMAQI
10th Jul 20253511 AMAQI
10th Jul 20253012 PMAQI
10th Jul 2025311 PMAQI
10th Jul 2025462 PMAQI
10th Jul 2025403 PMAQI
10th Jul 2025294 PMAQI
10th Jul 2025265 PMAQI
10th Jul 2025296 PMAQI
10th Jul 2025437 PMAQI
10th Jul 2025608 PMAQI
10th Jul 2025619 PMAQI
10th Jul 20255710 PMAQI
10th Jul 20255811 PMAQI
11th Jul 20255912 AMAQI
11th Jul 2025631 AMAQI
11th Jul 2025632 AMAQI
11th Jul 2025613 AMAQI
11th Jul 2025594 AMAQI

29°C25/36°C

11th Jul 2025585 AMAQI
11th Jul 2025596 AMAQI
11th Jul 2025587 AMAQI
11th Jul 2025588 AMAQI
11th Jul 2025709 AMAQI
11th Jul 20257810 AMAQI
11th Jul 20258211 AMAQI
11th Jul 20257712 PMAQI
11th Jul 2025701 PMAQI
11th Jul 2025692 PMAQI
11th Jul 2025663 PMAQI
11th Jul 2025644 PMAQI
11th Jul 2025675 PMAQI
11th Jul 2025616 PMAQI
11th Jul 2025567 PMAQI
11th Jul 2025588 PMAQI
11th Jul 2025669 PMAQI
11th Jul 20256810 PMAQI
11th Jul 20256911 PMAQI
12th Jul 20256812 AMAQI
12th Jul 2025621 AMAQI
12th Jul 2025602 AMAQI
12th Jul 2025613 AMAQI
12th Jul 2025634 AMAQI

29°C25/34°C

12th Jul 2025625 AMAQI
12th Jul 2025626 AMAQI
12th Jul 2025637 AMAQI
12th Jul 2025598 AMAQI
12th Jul 2025769 AMAQI
12th Jul 20257510 AMAQI
12th Jul 20256811 AMAQI
12th Jul 20256612 PMAQI
12th Jul 2025481 PMAQI
12th Jul 2025362 PMAQI
12th Jul 2025363 PMAQI
12th Jul 2025334 PMAQI
12th Jul 2025325 PMAQI
12th Jul 2025406 PMAQI
12th Jul 2025517 PMAQI
12th Jul 2025648 PMAQI
12th Jul 2025649 PMAQI
12th Jul 20256010 PMAQI
12th Jul 20256011 PMAQI
13th Jul 20256212 AMAQI
13th Jul 2025621 AMAQI
13th Jul 2025622 AMAQI
13th Jul 2025623 AMAQI
13th Jul 2025624 AMAQI

28°C24/33°C

13th Jul 2025635 AMAQI
13th Jul 2025626 AMAQI
13th Jul 2025627 AMAQI
13th Jul 2025668 AMAQI
13th Jul 2025749 AMAQI
13th Jul 20256610 AMAQI
13th Jul 20256211 AMAQI
13th Jul 20255212 PMAQI
13th Jul 2025361 PMAQI
13th Jul 2025372 PMAQI
13th Jul 2025363 PMAQI
13th Jul 2025444 PMAQI
13th Jul 2025505 PMAQI
13th Jul 2025556 PMAQI
13th Jul 2025547 PMAQI
13th Jul 2025588 PMAQI
13th Jul 2025589 PMAQI
13th Jul 20255710 PMAQI
13th Jul 20256111 PMAQI
14th Jul 20256212 AMAQI
14th Jul 2025611 AMAQI
14th Jul 2025622 AMAQI
14th Jul 2025623 AMAQI
14th Jul 2025604 AMAQI

28°C24/33°C

14th Jul 2025615 AMAQI
14th Jul 2025616 AMAQI
14th Jul 2025617 AMAQI
14th Jul 2025588 AMAQI
14th Jul 2025579 AMAQI
14th Jul 20255110 AMAQI
14th Jul 20254111 AMAQI
14th Jul 20254012 PMAQI
14th Jul 2025421 PMAQI
14th Jul 2025362 PMAQI
14th Jul 2025463 PMAQI
14th Jul 2025464 PMAQI
14th Jul 2025455 PMAQI
14th Jul 2025306 PMAQI
14th Jul 2025477 PMAQI
14th Jul 2025588 PMAQI
14th Jul 2025629 PMAQI
14th Jul 20256010 PMAQI
14th Jul 20255511 PMAQI
15th Jul 20255712 AMAQI
15th Jul 2025601 AMAQI
15th Jul 2025602 AMAQI
15th Jul 2025603 AMAQI
15th Jul 2025584 AMAQI

30°C25/36°C

15th Jul 2025595 AMAQI
15th Jul 2025596 AMAQI
15th Jul 2025597 AMAQI
15th Jul 2025688 AMAQI
15th Jul 2025749 AMAQI
15th Jul 20257510 AMAQI
15th Jul 20258011 AMAQI
15th Jul 20253812 PMAQI
15th Jul 2025371 PMAQI
15th Jul 2025432 PMAQI
15th Jul 2025343 PMAQI
15th Jul 2025454 PMAQI
15th Jul 2025405 PMAQI
15th Jul 2025376 PMAQI
15th Jul 2025467 PMAQI
15th Jul 2025608 PMAQI
15th Jul 2025649 PMAQI
15th Jul 20256410 PMAQI
15th Jul 20256411 PMAQI
16th Jul 20256212 AMAQI
16th Jul 2025591 AMAQI
16th Jul 2025592 AMAQI
16th Jul 2025593 AMAQI
16th Jul 2025604 AMAQI

32°C27/39°C

16th Jul 2025605 AMAQI
16th Jul 2025586 AMAQI
16th Jul 2025597 AMAQI
16th Jul 2025548 AMAQI
16th Jul 2025509 AMAQI
16th Jul 20255010 AMAQI
16th Jul 20254511 AMAQI
16th Jul 20253512 PMAQI
16th Jul 2025381 PMAQI
16th Jul 2025402 PMAQI
16th Jul 2025443 PMAQI
16th Jul 2025354 PMAQI
16th Jul 2025375 PMAQI
16th Jul 2025596 PMAQI
16th Jul 2025537 PMAQI
16th Jul 2025588 PMAQI
16th Jul 2025599 PMAQI
16th Jul 20256110 PMAQI
16th Jul 20256211 PMAQI
17th Jul 20256212 AMAQI
17th Jul 2025601 AMAQI
17th Jul 2025602 AMAQI
17th Jul 2025593 AMAQI
17th Jul 2025584 AMAQI

33°C28/40°C

17th Jul 2025575 AMAQI
17th Jul 2025576 AMAQI
17th Jul 2025587 AMAQI
17th Jul 2025588 AMAQI
17th Jul 2025599 AMAQI
17th Jul 20256210 AMAQI
17th Jul 20254911 AMAQI
17th Jul 20254412 PMAQI
17th Jul 2025561 PMAQI
17th Jul 2025482 PMAQI
17th Jul 2025403 PMAQI
17th Jul 2025564 PMAQI
17th Jul 2025595 PMAQI
17th Jul 2025546 PMAQI
17th Jul 2025637 PMAQI
17th Jul 2025678 PMAQI
17th Jul 2025679 PMAQI
17th Jul 20256710 PMAQI
17th Jul 20257411 PMAQI
18th Jul 20257812 AMAQI
18th Jul 2025641 AMAQI
18th Jul 2025602 AMAQI
18th Jul 2025603 AMAQI
18th Jul 2025584 AMAQI

31°C28/36°C

18th Jul 2025585 AMAQI
18th Jul 2025586 AMAQI
18th Jul 2025587 AMAQI
18th Jul 2025908 AMAQI
18th Jul 2025549 AMAQI
18th Jul 20255410 AMAQI
18th Jul 20255611 AMAQI
18th Jul 20255412 PMAQI
18th Jul 2025401 PMAQI
18th Jul 2025402 PMAQI
18th Jul 2025443 PMAQI
18th Jul 2025504 PMAQI
18th Jul 2025515 PMAQI
18th Jul 2025586 PMAQI
18th Jul 2025597 PMAQI
18th Jul 2025568 PMAQI
18th Jul 2025579 PMAQI
18th Jul 20256310 PMAQI
18th Jul 20256511 PMAQI
19th Jul 20256712 AMAQI
19th Jul 2025621 AMAQI
19th Jul 2025622 AMAQI
19th Jul 2025613 AMAQI
19th Jul 2025604 AMAQI

31°C27/37°C

19th Jul 2025605 AMAQI
19th Jul 2025606 AMAQI
19th Jul 2025607 AMAQI
19th Jul 2025688 AMAQI
19th Jul 2025759 AMAQI
19th Jul 20257610 AMAQI
19th Jul 20254111 AMAQI
19th Jul 20253712 PMAQI
19th Jul 2025381 PMAQI
19th Jul 2025362 PMAQI
19th Jul 2025343 PMAQI
19th Jul 2025384 PMAQI
19th Jul 2025365 PMAQI
19th Jul 2025376 PMAQI
19th Jul 2025487 PMAQI
19th Jul 2025658 PMAQI
19th Jul 2025689 PMAQI
19th Jul 20256910 PMAQI
19th Jul 20256811 PMAQI
20th Jul 20256612 AMAQI
20th Jul 2025621 AMAQI
20th Jul 2025622 AMAQI
20th Jul 2025613 AMAQI
20th Jul 2025614 AMAQI

30°C26/36°C

20th Jul 2025615 AMAQI
20th Jul 2025616 AMAQI
20th Jul 2025617 AMAQI
20th Jul 2025648 AMAQI
20th Jul 2025629 AMAQI
20th Jul 20256110 AMAQI
20th Jul 20256311 AMAQI
20th Jul 20257012 PMAQI
20th Jul 2025671 PMAQI
20th Jul 2025552 PMAQI
20th Jul 2025343 PMAQI
20th Jul 2025454 PMAQI
20th Jul 2025605 PMAQI
20th Jul 2025676 PMAQI
20th Jul 2025567 PMAQI
20th Jul 2025568 PMAQI
20th Jul 2025569 PMAQI
20th Jul 20255310 PMAQI
20th Jul 20255611 PMAQI
21st Jul 20255812 AMAQI
21st Jul 2025621 AMAQI
21st Jul 2025622 AMAQI
21st Jul 2025623 AMAQI
21st Jul 2025624 AMAQI

27°C24/32°C

21st Jul 2025625 AMAQI
21st Jul 2025626 AMAQI
21st Jul 2025627 AMAQI
21st Jul 2025528 AMAQI
21st Jul 2025519 AMAQI
21st Jul 20254210 AMAQI
21st Jul 20252411 AMAQI
21st Jul 20253612 PMAQI
21st Jul 2025351 PMAQI
21st Jul 2025242 PMAQI
21st Jul 2025213 PMAQI
21st Jul 2025314 PMAQI
21st Jul 2025235 PMAQI
21st Jul 2025216 PMAQI
21st Jul 2025367 PMAQI
21st Jul 2025508 PMAQI
21st Jul 2025549 PMAQI
21st Jul 20256010 PMAQI
21st Jul 20255611 PMAQI
22nd Jul 20255512 AMAQI
22nd Jul 2025611 AMAQI
22nd Jul 2025612 AMAQI
22nd Jul 2025593 AMAQI
22nd Jul 2025584 AMAQI

27°C25/31°C

22nd Jul 2025585 AMAQI
22nd Jul 2025586 AMAQI
22nd Jul 2025587 AMAQI
22nd Jul 2025308 AMAQI
22nd Jul 2025249 AMAQI
22nd Jul 20252810 AMAQI
22nd Jul 20252511 AMAQI
22nd Jul 20252412 PMAQI
22nd Jul 2025281 PMAQI
22nd Jul 2025322 PMAQI
22nd Jul 2025263 PMAQI
22nd Jul 2025234 PMAQI
22nd Jul 2025315 PMAQI
22nd Jul 2025316 PMAQI
22nd Jul 2025457 PMAQI
22nd Jul 2025558 PMAQI
22nd Jul 2025529 PMAQI
22nd Jul 20255210 PMAQI
22nd Jul 20255211 PMAQI
23rd Jul 20254912 AMAQI
23rd Jul 2025581 AMAQI
23rd Jul 2025592 AMAQI
23rd Jul 2025573 AMAQI
23rd Jul 2025544 AMAQI

27°C25/30°C

23rd Jul 2025545 AMAQI
23rd Jul 2025546 AMAQI
23rd Jul 2025547 AMAQI
23rd Jul 2025328 AMAQI
23rd Jul 2025349 AMAQI
23rd Jul 20254110 AMAQI
23rd Jul 20252911 AMAQI
23rd Jul 20252412 PMAQI
23rd Jul 2025301 PMAQI
23rd Jul 2025222 PMAQI
23rd Jul 2025363 PMAQI
23rd Jul 2025264 PMAQI
23rd Jul 2025215 PMAQI
23rd Jul 2025336 PMAQI
23rd Jul 2025427 PMAQI
23rd Jul 2025528 PMAQI
23rd Jul 2025539 PMAQI
23rd Jul 20254810 PMAQI
23rd Jul 20254411 PMAQI
24th Jul 20254112 AMAQI
24th Jul 2025421 AMAQI
24th Jul 2025512 AMAQI
24th Jul 2025543 AMAQI
24th Jul 2025534 AMAQI

27°C25/31°C

24th Jul 2025525 AMAQI
24th Jul 2025526 AMAQI
24th Jul 2025537 AMAQI
24th Jul 2025508 AMAQI
24th Jul 2025599 AMAQI
24th Jul 20255310 AMAQI
24th Jul 20252111 AMAQI
24th Jul 20253012 PMAQI
24th Jul 2025351 PMAQI
24th Jul 2025322 PMAQI
24th Jul 2025193 PMAQI
24th Jul 2025194 PMAQI
24th Jul 2025355 PMAQI
24th Jul 2025306 PMAQI
24th Jul 2025387 PMAQI
24th Jul 2025388 PMAQI
24th Jul 2025469 PMAQI
24th Jul 20255310 PMAQI
24th Jul 20255511 PMAQI
25th Jul 20254612 AMAQI
25th Jul 2025521 AMAQI
25th Jul 2025522 AMAQI
25th Jul 2025513 AMAQI
25th Jul 2025504 AMAQI

28°C24/34°C

25th Jul 2025495 AMAQI
25th Jul 2025506 AMAQI
25th Jul 2025507 AMAQI
25th Jul 2025348 AMAQI
25th Jul 2025279 AMAQI
25th Jul 20254410 AMAQI
25th Jul 20254211 AMAQI
25th Jul 20253812 PMAQI
25th Jul 2025401 PMAQI
25th Jul 2025422 PMAQI
25th Jul 2025433 PMAQI
25th Jul 2025384 PMAQI
25th Jul 2025235 PMAQI
25th Jul 2025256 PMAQI
25th Jul 2025437 PMAQI
25th Jul 2025568 PMAQI
25th Jul 2025609 PMAQI
25th Jul 20256010 PMAQI
25th Jul 20256011 PMAQI
26th Jul 20256012 AMAQI
26th Jul 2025511 AMAQI
26th Jul 2025512 AMAQI
26th Jul 2025503 AMAQI
26th Jul 2025504 AMAQI

30°C25/34°C

26th Jul 2025495 AMAQI
26th Jul 2025486 AMAQI
26th Jul 2025497 AMAQI
26th Jul 2025668 AMAQI
26th Jul 2025709 AMAQI
26th Jul 20256310 AMAQI
26th Jul 20256611 AMAQI
26th Jul 20257312 PMAQI
26th Jul 2025681 PMAQI
26th Jul 2025492 PMAQI
26th Jul 2025383 PMAQI
26th Jul 2025284 PMAQI
26th Jul 2025245 PMAQI
26th Jul 2025406 PMAQI
26th Jul 2025447 PMAQI
26th Jul 2025528 PMAQI
26th Jul 2025549 PMAQI
26th Jul 20255410 PMAQI
26th Jul 20255711 PMAQI
27th Jul 20255712 AMAQI
27th Jul 2025521 AMAQI
27th Jul 2025522 AMAQI
27th Jul 2025533 AMAQI
27th Jul 2025554 AMAQI

30°C25/35°C

27th Jul 2025555 AMAQI
27th Jul 2025556 AMAQI
27th Jul 2025557 AMAQI
27th Jul 2025628 AMAQI
27th Jul 2025649 AMAQI
27th Jul 20255810 AMAQI
27th Jul 20256211 AMAQI
27th Jul 20256012 PMAQI
27th Jul 2025571 PMAQI
27th Jul 2025502 PMAQI
27th Jul 2025353 PMAQI
27th Jul 2025364 PMAQI
27th Jul 2025285 PMAQI
27th Jul 2025536 PMAQI
27th Jul 2025527 PMAQI
27th Jul 2025588 PMAQI
27th Jul 2025449 PMAQI
27th Jul 20254610 PMAQI
27th Jul 20255411 PMAQI
28th Jul 20255812 AMAQI
28th Jul 2025541 AMAQI
28th Jul 2025542 AMAQI
28th Jul 2025543 AMAQI
28th Jul 2025554 AMAQI

29°C25/32°C

28th Jul 2025555 AMAQI
28th Jul 2025556 AMAQI
28th Jul 2025557 AMAQI
28th Jul 2025568 AMAQI
28th Jul 2025589 AMAQI
28th Jul 20256410 AMAQI
28th Jul 20256011 AMAQI
28th Jul 20254912 PMAQI
28th Jul 2025321 PMAQI
28th Jul 2025262 PMAQI
28th Jul 2025273 PMAQI
28th Jul 2025454 PMAQI
28th Jul 2025605 PMAQI
28th Jul 2025526 PMAQI
28th Jul 2025487 PMAQI
28th Jul 2025528 PMAQI
28th Jul 2025599 PMAQI
28th Jul 20255810 PMAQI
28th Jul 20255811 PMAQI
29th Jul 20256012 AMAQI
29th Jul 2025551 AMAQI
29th Jul 2025552 AMAQI
29th Jul 2025543 AMAQI
29th Jul 2025544 AMAQI

28°C25/33°C

29th Jul 2025545 AMAQI
29th Jul 2025546 AMAQI
29th Jul 2025547 AMAQI
29th Jul 2025628 AMAQI
29th Jul 2025609 AMAQI
29th Jul 20255910 AMAQI
29th Jul 20255811 AMAQI
29th Jul 20255212 PMAQI
29th Jul 2025461 PMAQI
29th Jul 2025452 PMAQI
29th Jul 2025513 PMAQI
29th Jul 2025304 PMAQI
29th Jul 2025365 PMAQI
29th Jul 2025336 PMAQI
29th Jul 2025327 PMAQI
29th Jul 2025498 PMAQI
29th Jul 2025579 PMAQI
29th Jul 20256110 PMAQI
29th Jul 20256311 PMAQI
30th Jul 20256112 AMAQI
30th Jul 2025551 AMAQI
30th Jul 2025552 AMAQI
30th Jul 2025553 AMAQI
30th Jul 2025554 AMAQI

29°C25/34°C

30th Jul 2025555 AMAQI
30th Jul 2025556 AMAQI
30th Jul 2025557 AMAQI
30th Jul 2025608 AMAQI
30th Jul 2025579 AMAQI
30th Jul 20256510 AMAQI
30th Jul 20257011 AMAQI
30th Jul 20254212 PMAQI
30th Jul 2025541 PMAQI
30th Jul 2025522 PMAQI
30th Jul 2025343 PMAQI
30th Jul 2025484 PMAQI
30th Jul 2025415 PMAQI
30th Jul 2025326 PMAQI
30th Jul 2025427 PMAQI
30th Jul 2025548 PMAQI
30th Jul 2025579 PMAQI
30th Jul 20255610 PMAQI
30th Jul 20255911 PMAQI
31st Jul 20254812 AMAQI
31st Jul 2025551 AMAQI
31st Jul 2025552 AMAQI
31st Jul 2025563 AMAQI
31st Jul 2025564 AMAQI

28°C26/32°C

31st Jul 2025565 AMAQI
31st Jul 2025566 AMAQI
31st Jul 2025567 AMAQI
31st Jul 2025568 AMAQI
31st Jul 2025569 AMAQI
31st Jul 20256010 AMAQI
31st Jul 20255811 AMAQI
31st Jul 20255812 PMAQI
31st Jul 2025601 PMAQI
31st Jul 2025462 PMAQI
31st Jul 2025443 PMAQI
31st Jul 2025414 PMAQI
31st Jul 2025375 PMAQI
31st Jul 2025446 PMAQI
31st Jul 2025567 PMAQI
31st Jul 2025628 PMAQI
31st Jul 2025609 PMAQI
31st Jul 20255910 PMAQI
31st Jul 20256111 PMAQI
1st Aug 20256412 AMAQI
1st Aug 2025561 AMAQI
1st Aug 2025562 AMAQI
1st Aug 2025573 AMAQI
1st Aug 2025584 AMAQI

29°C25/35°C

1st Aug 2025575 AMAQI
1st Aug 2025586 AMAQI
1st Aug 2025587 AMAQI
1st Aug 2025648 AMAQI
1st Aug 2025649 AMAQI
1st Aug 20256810 AMAQI
1st Aug 20257111 AMAQI
1st Aug 20257712 PMAQI
1st Aug 2025701 PMAQI
1st Aug 2025692 PMAQI
1st Aug 2025683 PMAQI
1st Aug 2025654 PMAQI
1st Aug 2025645 PMAQI
1st Aug 2025646 PMAQI
1st Aug 2025637 PMAQI
1st Aug 2025638 PMAQI
1st Aug 2025659 PMAQI
1st Aug 20256810 PMAQI
1st Aug 20256811 PMAQI
2nd Aug 20256412 AMAQI
2nd Aug 2025581 AMAQI
2nd Aug 2025572 AMAQI
2nd Aug 2025593 AMAQI
2nd Aug 2025604 AMAQI

30°C25/34°C

2nd Aug 2025595 AMAQI
2nd Aug 2025596 AMAQI
2nd Aug 2025597 AMAQI
2nd Aug 2025798 AMAQI
2nd Aug 2025799 AMAQI
2nd Aug 20257810 AMAQI
2nd Aug 20258011 AMAQI
2nd Aug 20257912 PMAQI
2nd Aug 2025691 PMAQI
2nd Aug 2025722 PMAQI
2nd Aug 2025693 PMAQI
2nd Aug 2025704 PMAQI
2nd Aug 2025705 PMAQI
2nd Aug 2025686 PMAQI
2nd Aug 2025667 PMAQI
2nd Aug 2025668 PMAQI
2nd Aug 2025669 PMAQI
2nd Aug 20257010 PMAQI
2nd Aug 20257011 PMAQI
3rd Aug 20256612 AMAQI
3rd Aug 2025581 AMAQI
3rd Aug 2025582 AMAQI
3rd Aug 2025623 AMAQI
3rd Aug 2025634 AMAQI

30°C26/36°C

3rd Aug 2025635 AMAQI
3rd Aug 2025636 AMAQI
3rd Aug 2025637 AMAQI
3rd Aug 2025638 AMAQI
3rd Aug 2025639 AMAQI
3rd Aug 20257010 AMAQI
3rd Aug 20257511 AMAQI
3rd Aug 20256912 PMAQI
3rd Aug 2025661 PMAQI
3rd Aug 2025642 PMAQI
3rd Aug 2025663 PMAQI
3rd Aug 2025634 PMAQI
3rd Aug 2025625 PMAQI
3rd Aug 2025636 PMAQI
3rd Aug 2025627 PMAQI
3rd Aug 2025648 PMAQI
3rd Aug 2025669 PMAQI
3rd Aug 20256710 PMAQI
3rd Aug 20256611 PMAQI
4th Aug 20256212 AMAQI
4th Aug 2025611 AMAQI
4th Aug 2025612 AMAQI
4th Aug 2025623 AMAQI
4th Aug 2025624 AMAQI

32°C27/37°C

4th Aug 2025635 AMAQI
4th Aug 2025626 AMAQI
4th Aug 2025627 AMAQI
4th Aug 2025648 AMAQI
4th Aug 2025659 AMAQI
4th Aug 20256810 AMAQI
4th Aug 20256811 AMAQI
4th Aug 20256812 PMAQI
4th Aug 2025661 PMAQI
4th Aug 2025642 PMAQI
4th Aug 2025623 PMAQI
4th Aug 2025604 PMAQI
4th Aug 2025585 PMAQI
4th Aug 2025606 PMAQI
4th Aug 2025637 PMAQI
4th Aug 2025638 PMAQI
4th Aug 2025659 PMAQI
4th Aug 20256410 PMAQI
4th Aug 20256311 PMAQI
5th Aug 20256412 AMAQI
5th Aug 2025611 AMAQI
5th Aug 2025602 AMAQI
5th Aug 2025613 AMAQI
5th Aug 2025624 AMAQI

32°C27/38°C

5th Aug 2025615 AMAQI
5th Aug 2025626 AMAQI
5th Aug 2025627 AMAQI
5th Aug 2025648 AMAQI
5th Aug 2025639 AMAQI
5th Aug 20256710 AMAQI
5th Aug 20256711 AMAQI
5th Aug 20257012 PMAQI
5th Aug 2025721 PMAQI
5th Aug 2025642 PMAQI
5th Aug 2025613 PMAQI
5th Aug 2025584 PMAQI
5th Aug 2025615 PMAQI
5th Aug 2025606 PMAQI
5th Aug 2025637 PMAQI
5th Aug 2025628 PMAQI
5th Aug 2025619 PMAQI
5th Aug 20255910 PMAQI
5th Aug 20256011 PMAQI
6th Aug 20256212 AMAQI
6th Aug 2025631 AMAQI
6th Aug 2025622 AMAQI
6th Aug 2025623 AMAQI
6th Aug 2025644 AMAQI

32°C28/37°C

6th Aug 2025625 AMAQI
6th Aug 2025626 AMAQI
6th Aug 2025627 AMAQI
6th Aug 2025508 AMAQI
6th Aug 2025489 AMAQI
6th Aug 20254610 AMAQI
6th Aug 20254911 AMAQI
6th Aug 20254812 PMAQI
6th Aug 2025371 PMAQI
6th Aug 2025382 PMAQI
6th Aug 2025493 PMAQI
6th Aug 2025414 PMAQI
6th Aug 2025355 PMAQI
6th Aug 2025356 PMAQI
6th Aug 2025547 PMAQI
6th Aug 2025578 PMAQI
6th Aug 2025599 PMAQI
6th Aug 20255610 PMAQI
6th Aug 20255711 PMAQI
7th Aug 20255812 AMAQI
7th Aug 2025611 AMAQI
7th Aug 2025612 AMAQI
7th Aug 2025603 AMAQI
7th Aug 2025594 AMAQI

30°C27/35°C

7th Aug 2025595 AMAQI
7th Aug 2025596 AMAQI
7th Aug 2025597 AMAQI
7th Aug 2025428 AMAQI
7th Aug 2025549 AMAQI
7th Aug 20255010 AMAQI
7th Aug 20253411 AMAQI
7th Aug 20254812 PMAQI
7th Aug 2025441 PMAQI
7th Aug 2025282 PMAQI
7th Aug 2025273 PMAQI
7th Aug 2025384 PMAQI
7th Aug 2025345 PMAQI
7th Aug 2025346 PMAQI
7th Aug 2025367 PMAQI
7th Aug 2025538 PMAQI
7th Aug 2025559 PMAQI
7th Aug 20255310 PMAQI
7th Aug 20255011 PMAQI
8th Aug 20255212 AMAQI
8th Aug 2025601 AMAQI
8th Aug 2025592 AMAQI
8th Aug 2025583 AMAQI
8th Aug 2025564 AMAQI

28°C25/33°C

8th Aug 2025565 AMAQI
5 AM
8th Aug 2025566 AMAQI
8th Aug 2025567 AMAQI
8th Aug 2025498 AMAQI
8th Aug 2025429 AMAQI
8th Aug 20253010 AMAQI
8th Aug 20252811 AMAQI
8th Aug 20253612 PMAQI
12 PM
8th Aug 2025341 PMAQI
8th Aug 2025252 PMAQI
8th Aug 2025223 PMAQI
8th Aug 2025244 PMAQI
8th Aug 2025345 PMAQI
8th Aug 2025246 PMAQI
8th Aug 2025327 PMAQI
7 PM
12 AM
4 AM

--°C/°C

Heure du jour
Heure moyenne la plus haute
5 AM - 10 AM

58AQI

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

43AQI

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 10 AM (Moyenne 58), tandis que l'AQI le plus bas était entre 2 PM à 6 PM (Moyenne 43).
Heure de la nuit
Heure moyenne la plus haute
12 AM - 11 PM

59AQI

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

59AQI

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 59), tandis que l'AQI le plus bas était entre 12 AM à 11 PM (Moyenne 59).

Jours de 2025 Vs Qualité de l'Air

City Epa, Yiyang, Hunan, China

2025

10%

21

38%

83

42%

91

10%

22

0.9%

2

Nombre total de jours avec différentes catégories AQI au cours des 220 derniers jours de 2025 (145 jours restants)

Bon
21 Jours
Modéré
83 Jours
Pauvre
91 Jours
Non sain
22 Jours
Sévère
2 Jours
Dangereux
0 Jours

Sous les limites sécuritaires de l'OMS pour la qualité de l'air : 10%

Niveau de risque sanitaire:

Extrême

En 2025, 10% des 220 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

City Epa, Yiyang, Hunan, 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
175AQI
2nd Janvier 2025
187AQI
3rd Janvier 2025
196AQI
4th Janvier 2025
230AQI
5th Janvier 2025
161AQI
6th Janvier 2025
176AQI
7th Janvier 2025
163AQI
8th Janvier 2025
142AQI
9th Janvier 2025
145AQI
10th Janvier 2025
136AQI
11th Janvier 2025
133AQI
12th Janvier 2025
139AQI
13th Janvier 2025
142AQI
14th Janvier 2025
163AQI
15th Janvier 2025
119AQI
16th Janvier 2025
133AQI
17th Janvier 2025
131AQI
18th Janvier 2025
155AQI
19th Janvier 2025
149AQI
20th Janvier 2025
161AQI
21st Janvier 2025
161AQI
22nd Janvier 2025
179AQI
23rd Janvier 2025
242AQI
24th Janvier 2025
182AQI
25th Janvier 2025
116AQI
26th Janvier 2025
106AQI
27th Janvier 2025
103AQI
28th Janvier 2025
144AQI
29th Janvier 2025
184AQI
30th Janvier 2025
163AQI
31st Janvier 2025
166AQI
1st Février 2025
141AQI
2nd Février 2025
144AQI
3rd Février 2025
152AQI
4th Février 2025
124AQI
5th Février 2025
137AQI
6th Février 2025
117AQI
7th Février 2025
108AQI
8th Février 2025
81AQI
9th Février 2025
88AQI
10th Février 2025
110AQI
11th Février 2025
128AQI
12th Février 2025
136AQI
13th Février 2025
152AQI
14th Février 2025
142AQI
15th Février 2025
156AQI
16th Février 2025
136AQI
17th Février 2025
108AQI
18th Février 2025
101AQI
19th Février 2025
118AQI
20th Février 2025
143AQI
21st Février 2025
153AQI
22nd Février 2025
108AQI
23rd Février 2025
159AQI
24th Février 2025
144AQI
25th Février 2025
148AQI
26th Février 2025
155AQI
27th Février 2025
118AQI
28th Février 2025
137AQI
1st Mars 2025
99AQI
2nd Mars 2025
91AQI
3rd Mars 2025
75AQI
4th Mars 2025
92AQI
5th Mars 2025
95AQI
6th Mars 2025
117AQI
7th Mars 2025
115AQI
8th Mars 2025
110AQI
9th Mars 2025
127AQI
10th Mars 2025
102AQI
11th Mars 2025
113AQI
12th Mars 2025
137AQI
13th Mars 2025
137AQI
14th Mars 2025
100AQI
15th Mars 2025
90AQI
16th Mars 2025
87AQI
17th Mars 2025
80AQI
18th Mars 2025
75AQI
19th Mars 2025
75AQI
20th Mars 2025
74AQI
21st Mars 2025
76AQI
22nd Mars 2025
93AQI
23rd Mars 2025
99AQI
24th Mars 2025
83AQI
25th Mars 2025
108AQI
26th Mars 2025
125AQI
27th Mars 2025
137AQI
28th Mars 2025
107AQI
29th Mars 2025
117AQI
30th Mars 2025
100AQI
31st Mars 2025
101AQI
1st Avril 2025
103AQI
2nd Avril 2025
105AQI
3rd Avril 2025
113AQI
4th Avril 2025
122AQI
5th Avril 2025
129AQI
6th Avril 2025
121AQI
7th Avril 2025
129AQI
8th Avril 2025
130AQI
9th Avril 2025
127AQI
10th Avril 2025
131AQI
11th Avril 2025
117AQI
12th Avril 2025
191AQI
13th Avril 2025
144AQI
14th Avril 2025
148AQI
15th Avril 2025
129AQI
16th Avril 2025
125AQI
17th Avril 2025
123AQI
18th Avril 2025
118AQI
19th Avril 2025
114AQI
20th Avril 2025
140AQI
21st Avril 2025
103AQI
22nd Avril 2025
108AQI
23rd Avril 2025
102AQI
24th Avril 2025
102AQI
25th Avril 2025
103AQI
26th Avril 2025
96AQI
27th Avril 2025
106AQI
28th Avril 2025
111AQI
29th Avril 2025
109AQI
30th Avril 2025
95AQI
1st Mai 2025
93AQI
2nd Mai 2025
98AQI
3rd Mai 2025
105AQI
4th Mai 2025
110AQI
5th Mai 2025
98AQI
6th Mai 2025
111AQI
7th Mai 2025
122AQI
8th Mai 2025
96AQI
9th Mai 2025
97AQI
10th Mai 2025
94AQI
11th Mai 2025
89AQI
12th Mai 2025
94AQI
13th Mai 2025
96AQI
14th Mai 2025
120AQI
15th Mai 2025
110AQI
16th Mai 2025
97AQI
17th Mai 2025
101AQI
18th Mai 2025
114AQI
19th Mai 2025
107AQI
20th Mai 2025
97AQI
21st Mai 2025
91AQI
22nd Mai 2025
89AQI
23rd Mai 2025
102AQI
24th Mai 2025
114AQI
25th Mai 2025
122AQI
26th Mai 2025
110AQI
27th Mai 2025
125AQI
28th Mai 2025
93AQI
29th Mai 2025
91AQI
30th Mai 2025
87AQI
31st Mai 2025
87AQI
1st Juin 2025
77AQI
2nd Juin 2025
96AQI
3rd Juin 2025
92AQI
4th Juin 2025
119AQI
5th Juin 2025
91AQI
6th Juin 2025
101AQI
7th Juin 2025
86AQI
8th Juin 2025
91AQI
9th Juin 2025
84AQI
10th Juin 2025
86AQI
11th Juin 2025
91AQI
12th Juin 2025
89AQI
13th Juin 2025
87AQI
14th Juin 2025
85AQI
15th Juin 2025
85AQI
16th Juin 2025
79AQI
17th Juin 2025
77AQI
18th Juin 2025
56AQI
19th Juin 2025
50AQI
20th Juin 2025
52AQI
21st Juin 2025
46AQI
22nd Juin 2025
36AQI
23rd Juin 2025
38AQI
24th Juin 2025
47AQI
25th Juin 2025
50AQI
26th Juin 2025
53AQI
27th Juin 2025
53AQI
28th Juin 2025
46AQI
29th Juin 2025
46AQI
30th Juin 2025
43AQI
1st Juillet 2025
40AQI
2nd Juillet 2025
35AQI
3rd Juillet 2025
41AQI
4th Juillet 2025
43AQI
5th Juillet 2025
49AQI
6th Juillet 2025
55AQI
7th Juillet 2025
61AQI
8th Juillet 2025
67AQI
9th Juillet 2025
60AQI
10th Juillet 2025
50AQI
11th Juillet 2025
64AQI
12th Juillet 2025
57AQI
13th Juillet 2025
57AQI
14th Juillet 2025
53AQI
15th Juillet 2025
56AQI
16th Juillet 2025
53AQI
17th Juillet 2025
59AQI
18th Juillet 2025
58AQI
19th Juillet 2025
56AQI
20th Juillet 2025
59AQI
21st Juillet 2025
47AQI
22nd Juillet 2025
45AQI
23rd Juillet 2025
43AQI
24th Juillet 2025
43AQI
25th Juillet 2025
46AQI
26th Juillet 2025
52AQI
27th Juillet 2025
52AQI
28th Juillet 2025
53AQI
29th Juillet 2025
51AQI
30th Juillet 2025
53AQI
31st Juillet 2025
54AQI
1st Août 2025
64AQI
2nd Août 2025
67AQI
3rd Août 2025
64AQI
4th Août 2025
63AQI
5th Août 2025
62AQI
6th Août 2025
53AQI
7th Août 2025
50AQI

157AQI

130AQI

101AQI

120AQI

102AQI

71AQI

52AQI

60AQI

Nombre de jours

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

2025103AQI

14
15
2
2
20
6
17
14
2
27
1
17
14
9
19
2
11
20
1
6
21
83
91
22
2

Le plus élevé AQI enregistré en

Janvier

157AQI

Le plus bas AQI enregistré en

Juillet

52AQI

2024103AQI

2
12
17
1
6
11
10
1
1
11
11
8
16
14
1
22
8
13
16
1
24
7
12
19
1
13
14
2
1
10
15
5
2
7
6
15
14
17
56
129
106
74
1

Le plus élevé AQI enregistré en

Janvier

150AQI

Le plus bas AQI enregistré en

Juillet

44AQI

2023103AQI

2
10
12
7
2
12
14
12
15
4
3
19
7
1
1
21
9
6
20
4
20
11
6
19
6
4
20
5
1
1
11
15
4
1
7
14
4
1
7
14
6
3
43
151
111
46
10

Le plus élevé AQI enregistré en

Janvier

171AQI

Le plus bas AQI enregistré en

Juillet

53AQI

2022106AQI

3
10
15
3
5
9
7
3
14
12
2
12
5
22
8
1
10
18
2
14
8
1
15
12
6
6
16
3
7
19
4
2
13
16
34
112
106
48
3

Le plus élevé AQI enregistré en

Janvier

157AQI

Le plus bas AQI enregistré en

Août

41AQI

202193AQI

1
12
16
2
8
12
8
11
19
1
16
14
8
17
6
14
15
1
25
6
13
8
9
20
1
9
14
6
2
2
12
9
7
4
16
8
2
80
132
96
42
4

Le plus élevé AQI enregistré en

Janvier

157AQI

Le plus bas AQI enregistré en

Juillet

43AQI

202097AQI

1
6
3
3
10
8
3
9
9
9
20
1
10
15
5
1
13
15
3
4
19
7
4
8
14
5
9
12
9
2
4
24
1
41
113
66
45
1

Le plus élevé AQI enregistré en

Décembre

168AQI

Le plus bas AQI enregistré en

Août

59AQI

Années les plus & moins polluées des 6 dernières années

Année la plus polluée enregistrée
2022(Moyenne)
106AQI
Année la moins polluée enregistrée
2021(Moyenne)
93AQI

La qualité de l'air annuelle de City Epa pour l'année 2025 AQI (103) montre un changement moyen de pourcentage de 2.9% (empiré AQI) par rapport aux années précédentes : 2020 (97), 2021 (93), 2022 (106), 2023 (103), 2024 (103).