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HistoryAQIPM2.5PM10COSO2NO2O3

Analyse Historique de la Qualité de l'Air à Heshan Environmental Protection Branch, 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

Heshan Environmental Protection Branch, 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
25th Aug 2023
108AQI
AQI le plus bas enregistré le
26th Aug 2021
26AQI

Analyse du même jour (19th August ):
Ce jour-là, l'AQI au cours des 5 années a varié de manière significative : 2025 se classe 3rd le plus élevé AQI à 51 de Modéré qualité de l'air, montrant une amélioration par rapport à 2024 et 2023 le même jour.

Télécharger les données annuelles 2024

Rapport mondial sur la qualité de l'air

Globe

Tendance AQI Jour & Nuit : 19th Aug - 20th Aug 2025

Heshan Environmental Protection Branch, Yiyang, Hunan, China

AQI
Jour
Nuit
.

5 AM19th Aug 2025

7 PM

4 AM20th Aug 2025

Heure du jour
Heure moyenne la plus haute
7AM19th Aug

56AQI

Heure moyenne la plus basse
11AM19th Aug

31AQI

Heure de la nuit
Heure moyenne la plus haute
5AM19th Aug

55AQI

Heure moyenne la plus basse
9PM19th Aug

50AQI

Au cours des 24 dernières heures,

L'AQI de Heshan Environmental Protection Branch a atteint son point le plus élevé de 56 à 7 AM pendant le Jour, tandis que le point le plus bas, 31, a été enregistré à 11 AM pendant le Jour entre 19th Aug et 20th Aug 2025.

Tendance AQI Jour & Nuit : Jul - Aug 2025

Heshan Environmental Protection Branch, Yiyang, Hunan, China

JulAug
21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th
Jour
Nuit
21st Jul 2025625 AMAQI
21st Jul 2025636 AMAQI
21st Jul 2025637 AMAQI
21st Jul 2025518 AMAQI
21st Jul 2025519 AMAQI
21st Jul 20254510 AMAQI
21st Jul 20252511 AMAQI
21st Jul 20253912 PMAQI
21st Jul 2025421 PMAQI
21st Jul 2025342 PMAQI
21st Jul 2025313 PMAQI
21st Jul 2025344 PMAQI
21st Jul 2025285 PMAQI
21st Jul 2025366 PMAQI
21st Jul 2025447 PMAQI
21st Jul 2025548 PMAQI
21st Jul 2025559 PMAQI
21st Jul 20255810 PMAQI
21st Jul 20255611 PMAQI
22nd Jul 20255512 AMAQI
22nd Jul 2025611 AMAQI
22nd Jul 2025622 AMAQI
22nd Jul 2025603 AMAQI
22nd Jul 2025594 AMAQI

27°C25/31°C

22nd Jul 2025585 AMAQI
22nd Jul 2025596 AMAQI
22nd Jul 2025597 AMAQI
22nd Jul 2025328 AMAQI
22nd Jul 2025259 AMAQI
22nd Jul 20252810 AMAQI
22nd Jul 20252711 AMAQI
22nd Jul 20252512 PMAQI
22nd Jul 2025301 PMAQI
22nd Jul 2025322 PMAQI
22nd Jul 2025303 PMAQI
22nd Jul 2025264 PMAQI
22nd Jul 2025315 PMAQI
22nd Jul 2025306 PMAQI
22nd Jul 2025447 PMAQI
22nd Jul 2025548 PMAQI
22nd Jul 2025549 PMAQI
22nd Jul 20255310 PMAQI
22nd Jul 20255311 PMAQI
23rd Jul 20255312 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 2025339 AMAQI
23rd Jul 20253610 AMAQI
23rd Jul 20253311 AMAQI
23rd Jul 20252812 PMAQI
23rd Jul 2025331 PMAQI
23rd Jul 2025302 PMAQI
23rd Jul 2025353 PMAQI
23rd Jul 2025284 PMAQI
23rd Jul 2025275 PMAQI
23rd Jul 2025336 PMAQI
23rd Jul 2025417 PMAQI
23rd Jul 2025518 PMAQI
23rd Jul 2025539 PMAQI
23rd Jul 20255310 PMAQI
23rd Jul 20254811 PMAQI
24th Jul 20254812 AMAQI
24th Jul 2025431 AMAQI
24th Jul 2025512 AMAQI
24th Jul 2025543 AMAQI
24th Jul 2025534 AMAQI

27°C25/31°C

24th Jul 2025535 AMAQI
24th Jul 2025526 AMAQI
24th Jul 2025537 AMAQI
24th Jul 2025508 AMAQI
24th Jul 2025519 AMAQI
24th Jul 20255010 AMAQI
24th Jul 20252811 AMAQI
24th Jul 20253412 PMAQI
24th Jul 2025341 PMAQI
24th Jul 2025382 PMAQI
24th Jul 2025283 PMAQI
24th Jul 2025254 PMAQI
24th Jul 2025425 PMAQI
24th Jul 2025406 PMAQI
24th Jul 2025407 PMAQI
24th Jul 2025408 PMAQI
24th Jul 2025509 PMAQI
24th Jul 20255210 PMAQI
24th Jul 20255411 PMAQI
25th Jul 20254712 AMAQI
25th Jul 2025521 AMAQI
25th Jul 2025522 AMAQI
25th Jul 2025523 AMAQI
25th Jul 2025524 AMAQI

28°C24/34°C

25th Jul 2025525 AMAQI
25th Jul 2025516 AMAQI
25th Jul 2025517 AMAQI
25th Jul 2025388 AMAQI
25th Jul 2025329 AMAQI
25th Jul 20255010 AMAQI
25th Jul 20255211 AMAQI
25th Jul 20254812 PMAQI
25th Jul 2025511 PMAQI
25th Jul 2025482 PMAQI
25th Jul 2025413 PMAQI
25th Jul 2025374 PMAQI
25th Jul 2025375 PMAQI
25th Jul 2025386 PMAQI
25th Jul 2025447 PMAQI
25th Jul 2025568 PMAQI
25th Jul 2025599 PMAQI
25th Jul 20255910 PMAQI
25th Jul 20255811 PMAQI
26th Jul 20255912 AMAQI
26th Jul 2025511 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025513 AMAQI
26th Jul 2025514 AMAQI

30°C25/34°C

26th Jul 2025515 AMAQI
26th Jul 2025526 AMAQI
26th Jul 2025517 AMAQI
26th Jul 2025658 AMAQI
26th Jul 2025669 AMAQI
26th Jul 20256410 AMAQI
26th Jul 20256511 AMAQI
26th Jul 20257312 PMAQI
26th Jul 2025731 PMAQI
26th Jul 2025562 PMAQI
26th Jul 2025493 PMAQI
26th Jul 2025424 PMAQI
26th Jul 2025345 PMAQI
26th Jul 2025486 PMAQI
26th Jul 2025507 PMAQI
26th Jul 2025548 PMAQI
26th Jul 2025549 PMAQI
26th Jul 20255410 PMAQI
26th Jul 20255611 PMAQI
27th Jul 20255612 AMAQI
27th Jul 2025521 AMAQI
27th Jul 2025522 AMAQI
27th Jul 2025543 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 2025619 AMAQI
27th Jul 20255810 AMAQI
27th Jul 20256411 AMAQI
27th Jul 20256212 PMAQI
27th Jul 2025601 PMAQI
27th Jul 2025542 PMAQI
27th Jul 2025443 PMAQI
27th Jul 2025414 PMAQI
27th Jul 2025345 PMAQI
27th Jul 2025526 PMAQI
27th Jul 2025527 PMAQI
27th Jul 2025578 PMAQI
27th Jul 2025489 PMAQI
27th Jul 20254910 PMAQI
27th Jul 20255411 PMAQI
28th Jul 20255612 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 2025609 AMAQI
28th Jul 20256210 AMAQI
28th Jul 20256111 AMAQI
28th Jul 20255912 PMAQI
28th Jul 2025421 PMAQI
28th Jul 2025362 PMAQI
28th Jul 2025373 PMAQI
28th Jul 2025524 PMAQI
28th Jul 2025605 PMAQI
28th Jul 2025526 PMAQI
28th Jul 2025477 PMAQI
28th Jul 2025528 PMAQI
28th Jul 2025569 PMAQI
28th Jul 20255810 PMAQI
28th Jul 20255811 PMAQI
29th Jul 20256012 AMAQI
29th Jul 2025551 AMAQI
29th Jul 2025542 AMAQI
29th Jul 2025543 AMAQI
29th Jul 2025554 AMAQI

28°C25/33°C

29th Jul 2025555 AMAQI
29th Jul 2025546 AMAQI
29th Jul 2025547 AMAQI
29th Jul 2025608 AMAQI
29th Jul 2025629 AMAQI
29th Jul 20256210 AMAQI
29th Jul 20256211 AMAQI
29th Jul 20256012 PMAQI
29th Jul 2025581 PMAQI
29th Jul 2025572 PMAQI
29th Jul 2025523 PMAQI
29th Jul 2025434 PMAQI
29th Jul 2025475 PMAQI
29th Jul 2025396 PMAQI
29th Jul 2025427 PMAQI
29th Jul 2025548 PMAQI
29th Jul 2025579 PMAQI
29th Jul 20256010 PMAQI
29th Jul 20256111 PMAQI
30th Jul 20256012 AMAQI
30th Jul 2025551 AMAQI
30th Jul 2025552 AMAQI
30th Jul 2025563 AMAQI
30th Jul 2025564 AMAQI

29°C25/34°C

30th Jul 2025555 AMAQI
30th Jul 2025566 AMAQI
30th Jul 2025567 AMAQI
30th Jul 2025628 AMAQI
30th Jul 2025589 AMAQI
30th Jul 20256610 AMAQI
30th Jul 20257011 AMAQI
30th Jul 20255012 PMAQI
30th Jul 2025591 PMAQI
30th Jul 2025532 PMAQI
30th Jul 2025383 PMAQI
30th Jul 2025504 PMAQI
30th Jul 2025505 PMAQI
30th Jul 2025406 PMAQI
30th Jul 2025507 PMAQI
30th Jul 2025568 PMAQI
30th Jul 2025589 PMAQI
30th Jul 20255510 PMAQI
30th Jul 20255811 PMAQI
31st Jul 20255412 AMAQI
31st Jul 2025561 AMAQI
31st Jul 2025562 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 20255910 AMAQI
31st Jul 20256211 AMAQI
31st Jul 20256312 PMAQI
31st Jul 2025621 PMAQI
31st Jul 2025512 PMAQI
31st Jul 2025503 PMAQI
31st Jul 2025464 PMAQI
31st Jul 2025445 PMAQI
31st Jul 2025506 PMAQI
31st Jul 2025567 PMAQI
31st Jul 2025578 PMAQI
31st Jul 2025579 PMAQI
31st Jul 20255810 PMAQI
31st Jul 20255811 PMAQI
1st Aug 20256312 AMAQI
1st Aug 2025561 AMAQI
1st Aug 2025562 AMAQI
1st Aug 2025583 AMAQI
1st Aug 2025584 AMAQI

29°C25/35°C

1st Aug 2025575 AMAQI
1st Aug 2025586 AMAQI
1st Aug 2025587 AMAQI
1st Aug 2025638 AMAQI
1st Aug 2025709 AMAQI
1st Aug 20257010 AMAQI
1st Aug 20256611 AMAQI
1st Aug 20256612 PMAQI
1st Aug 2025671 PMAQI
1st Aug 2025682 PMAQI
1st Aug 2025673 PMAQI
1st Aug 2025684 PMAQI
1st Aug 2025605 PMAQI
1st Aug 2025646 PMAQI
1st Aug 2025637 PMAQI
1st Aug 2025628 PMAQI
1st Aug 2025639 PMAQI
1st Aug 20256410 PMAQI
1st Aug 20256711 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 2025758 AMAQI
2nd Aug 2025789 AMAQI
2nd Aug 20257610 AMAQI
2nd Aug 20258011 AMAQI
2nd Aug 20257812 PMAQI
2nd Aug 2025781 PMAQI
2nd Aug 2025722 PMAQI
2nd Aug 2025763 PMAQI
2nd Aug 2025784 PMAQI
2nd Aug 2025705 PMAQI
2nd Aug 2025696 PMAQI
2nd Aug 2025677 PMAQI
2nd Aug 2025688 PMAQI
2nd Aug 2025699 PMAQI
2nd Aug 20257010 PMAQI
2nd Aug 20257311 PMAQI
3rd Aug 20256712 AMAQI
3rd Aug 2025591 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 2025647 AMAQI
3rd Aug 2025648 AMAQI
3rd Aug 2025629 AMAQI
3rd Aug 20257210 AMAQI
3rd Aug 20257411 AMAQI
3rd Aug 20257212 PMAQI
3rd Aug 2025691 PMAQI
3rd Aug 2025652 PMAQI
3rd Aug 2025683 PMAQI
3rd Aug 2025654 PMAQI
3rd Aug 2025635 PMAQI
3rd Aug 2025646 PMAQI
3rd Aug 2025627 PMAQI
3rd Aug 2025648 PMAQI
3rd Aug 2025669 PMAQI
3rd Aug 20256710 PMAQI
3rd Aug 20256611 PMAQI
4th Aug 20256312 AMAQI
4th Aug 2025641 AMAQI
4th Aug 2025622 AMAQI
4th Aug 2025623 AMAQI
4th Aug 2025624 AMAQI

32°C27/37°C

4th Aug 2025635 AMAQI
4th Aug 2025626 AMAQI
4th Aug 2025637 AMAQI
4th Aug 2025628 AMAQI
4th Aug 2025629 AMAQI
4th Aug 20256410 AMAQI
4th Aug 20256511 AMAQI
4th Aug 20256912 PMAQI
4th Aug 2025681 PMAQI
4th Aug 2025642 PMAQI
4th Aug 2025643 PMAQI
4th Aug 2025634 PMAQI
4th Aug 2025605 PMAQI
4th Aug 2025606 PMAQI
4th Aug 2025627 PMAQI
4th Aug 2025628 PMAQI
4th Aug 2025649 PMAQI
4th Aug 20256410 PMAQI
4th Aug 20256311 PMAQI
5th Aug 20256212 AMAQI
5th Aug 2025611 AMAQI
5th Aug 2025602 AMAQI
5th Aug 2025623 AMAQI
5th Aug 2025624 AMAQI

32°C27/38°C

5th Aug 2025625 AMAQI
5th Aug 2025626 AMAQI
5th Aug 2025627 AMAQI
5th Aug 2025628 AMAQI
5th Aug 2025659 AMAQI
5th Aug 20256610 AMAQI
5th Aug 20256511 AMAQI
5th Aug 20257012 PMAQI
5th Aug 2025681 PMAQI
5th Aug 2025632 PMAQI
5th Aug 2025603 PMAQI
5th Aug 2025584 PMAQI
5th Aug 2025605 PMAQI
5th Aug 2025596 PMAQI
5th Aug 2025627 PMAQI
5th Aug 2025638 PMAQI
5th Aug 2025619 PMAQI
5th Aug 20256210 PMAQI
5th Aug 20256011 PMAQI
6th Aug 20256012 AMAQI
6th Aug 2025641 AMAQI
6th Aug 2025622 AMAQI
6th Aug 2025623 AMAQI
6th Aug 2025644 AMAQI

32°C28/37°C

6th Aug 2025615 AMAQI
6th Aug 2025636 AMAQI
6th Aug 2025617 AMAQI
6th Aug 2025468 AMAQI
6th Aug 2025409 AMAQI
6th Aug 20254610 AMAQI
6th Aug 20254711 AMAQI
6th Aug 20254412 PMAQI
6th Aug 2025361 PMAQI
6th Aug 2025342 PMAQI
6th Aug 2025483 PMAQI
6th Aug 2025424 PMAQI
6th Aug 2025455 PMAQI
6th Aug 2025536 PMAQI
6th Aug 2025567 PMAQI
6th Aug 2025578 PMAQI
6th Aug 2025599 PMAQI
6th Aug 20255610 PMAQI
6th Aug 20255811 PMAQI
7th Aug 20255812 AMAQI
7th Aug 2025601 AMAQI
7th Aug 2025622 AMAQI
7th Aug 2025593 AMAQI
7th Aug 2025584 AMAQI

30°C27/35°C

7th Aug 2025595 AMAQI
7th Aug 2025586 AMAQI
7th Aug 2025597 AMAQI
7th Aug 2025408 AMAQI
7th Aug 2025469 AMAQI
7th Aug 20255110 AMAQI
7th Aug 20253511 AMAQI
7th Aug 20254812 PMAQI
7th Aug 2025451 PMAQI
7th Aug 2025302 PMAQI
7th Aug 2025333 PMAQI
7th Aug 2025394 PMAQI
7th Aug 2025425 PMAQI
7th Aug 2025426 PMAQI
7th Aug 2025487 PMAQI
7th Aug 2025538 PMAQI
7th Aug 2025559 PMAQI
7th Aug 20255410 PMAQI
7th Aug 20255311 PMAQI
8th Aug 20255312 AMAQI
8th Aug 2025581 AMAQI
8th Aug 2025592 AMAQI
8th Aug 2025573 AMAQI
8th Aug 2025564 AMAQI

28°C25/33°C

8th Aug 2025565 AMAQI
8th Aug 2025566 AMAQI
8th Aug 2025567 AMAQI
8th Aug 2025468 AMAQI
8th Aug 2025409 AMAQI
8th Aug 20252810 AMAQI
8th Aug 20253411 AMAQI
8th Aug 20253312 PMAQI
8th Aug 2025361 PMAQI
8th Aug 2025372 PMAQI
8th Aug 2025263 PMAQI
8th Aug 2025344 PMAQI
8th Aug 2025385 PMAQI
8th Aug 2025386 PMAQI
8th Aug 2025367 PMAQI
8th Aug 2025518 PMAQI
8th Aug 2025589 PMAQI
8th Aug 20255710 PMAQI
8th Aug 20255411 PMAQI
9th Aug 20255412 AMAQI
9th Aug 2025561 AMAQI
9th Aug 2025562 AMAQI
9th Aug 2025553 AMAQI
9th Aug 2025544 AMAQI

28°C25/35°C

9th Aug 2025535 AMAQI
9th Aug 2025536 AMAQI
9th Aug 2025537 AMAQI
9th Aug 2025558 AMAQI
9th Aug 2025409 AMAQI
9th Aug 20255310 AMAQI
9th Aug 20255411 AMAQI
9th Aug 20253512 PMAQI
9th Aug 2025441 PMAQI
9th Aug 2025312 PMAQI
9th Aug 2025403 PMAQI
9th Aug 2025414 PMAQI
9th Aug 2025325 PMAQI
9th Aug 2025406 PMAQI
9th Aug 2025557 PMAQI
9th Aug 2025598 PMAQI
9th Aug 2025589 PMAQI
9th Aug 20255810 PMAQI
9th Aug 20256011 PMAQI
10th Aug 20255412 AMAQI
10th Aug 2025541 AMAQI
10th Aug 2025542 AMAQI
10th Aug 2025543 AMAQI
10th Aug 2025544 AMAQI

30°C26/36°C

10th Aug 2025545 AMAQI
10th Aug 2025546 AMAQI
10th Aug 2025547 AMAQI
10th Aug 2025588 AMAQI
10th Aug 2025569 AMAQI
10th Aug 20256310 AMAQI
10th Aug 20255511 AMAQI
10th Aug 20254012 PMAQI
10th Aug 2025501 PMAQI
10th Aug 2025462 PMAQI
10th Aug 2025433 PMAQI
10th Aug 2025444 PMAQI
10th Aug 2025465 PMAQI
10th Aug 2025606 PMAQI
10th Aug 2025577 PMAQI
10th Aug 2025588 PMAQI
10th Aug 2025579 PMAQI
10th Aug 20256810 PMAQI
10th Aug 20257011 PMAQI
11th Aug 20256912 AMAQI
11th Aug 2025581 AMAQI
11th Aug 2025552 AMAQI
11th Aug 2025543 AMAQI
11th Aug 2025544 AMAQI

30°C25/36°C

11th Aug 2025545 AMAQI
11th Aug 2025546 AMAQI
11th Aug 2025547 AMAQI
11th Aug 2025588 AMAQI
11th Aug 2025609 AMAQI
11th Aug 20255810 AMAQI
11th Aug 20255411 AMAQI
11th Aug 20255212 PMAQI
11th Aug 2025571 PMAQI
11th Aug 2025632 PMAQI
11th Aug 2025603 PMAQI
11th Aug 2025644 PMAQI
11th Aug 2025585 PMAQI
11th Aug 2025616 PMAQI
11th Aug 2025627 PMAQI
11th Aug 2025638 PMAQI
11th Aug 2025639 PMAQI
11th Aug 20256210 PMAQI
11th Aug 20256311 PMAQI
12th Aug 20256012 AMAQI
12th Aug 2025581 AMAQI
12th Aug 2025582 AMAQI
12th Aug 2025603 AMAQI
12th Aug 2025604 AMAQI

24°C22/24°C

12th Aug 2025605 AMAQI
12th Aug 2025606 AMAQI
12th Aug 2025597 AMAQI
12th Aug 2025668 AMAQI
12th Aug 2025609 AMAQI
12th Aug 20256310 AMAQI
12th Aug 20255811 AMAQI
12th Aug 20256612 PMAQI
12th Aug 2025621 PMAQI
12th Aug 2025632 PMAQI
12th Aug 2025603 PMAQI
12th Aug 2025564 PMAQI
12th Aug 2025595 PMAQI
12th Aug 2025626 PMAQI
12th Aug 2025567 PMAQI
12th Aug 2025598 PMAQI
12th Aug 2025599 PMAQI
12th Aug 20255910 PMAQI
12th Aug 20255811 PMAQI
13th Aug 20255912 AMAQI
13th Aug 2025601 AMAQI
13th Aug 2025592 AMAQI
13th Aug 2025603 AMAQI
13th Aug 2025604 AMAQI

24°C22/28°C

13th Aug 2025605 AMAQI
13th Aug 2025616 AMAQI
13th Aug 2025617 AMAQI
13th Aug 2025478 AMAQI
13th Aug 2025629 AMAQI
13th Aug 20256410 AMAQI
13th Aug 20256011 AMAQI
13th Aug 20255712 PMAQI
13th Aug 2025571 PMAQI
13th Aug 2025542 PMAQI
13th Aug 2025563 PMAQI
13th Aug 2025594 PMAQI
13th Aug 2025575 PMAQI
13th Aug 2025566 PMAQI
13th Aug 2025617 PMAQI
13th Aug 2025628 PMAQI
13th Aug 2025619 PMAQI
13th Aug 20255910 PMAQI
13th Aug 20256011 PMAQI
14th Aug 20256012 AMAQI
14th Aug 2025601 AMAQI
14th Aug 2025602 AMAQI
14th Aug 2025603 AMAQI
14th Aug 2025604 AMAQI

24°C23/26°C

14th Aug 2025615 AMAQI
14th Aug 2025606 AMAQI
14th Aug 2025597 AMAQI
14th Aug 2025548 AMAQI
14th Aug 2025569 AMAQI
14th Aug 20255710 AMAQI
14th Aug 20255611 AMAQI
14th Aug 20256312 PMAQI
14th Aug 2025651 PMAQI
14th Aug 2025572 PMAQI
14th Aug 2025583 PMAQI
14th Aug 2025554 PMAQI
14th Aug 2025525 PMAQI
14th Aug 2025556 PMAQI
14th Aug 2025537 PMAQI
14th Aug 2025558 PMAQI
14th Aug 2025559 PMAQI
14th Aug 20255410 PMAQI
14th Aug 20255511 PMAQI
15th Aug 20255812 AMAQI
15th Aug 2025591 AMAQI
15th Aug 2025602 AMAQI
15th Aug 2025603 AMAQI
15th Aug 2025604 AMAQI

27°C24/30°C

15th Aug 2025605 AMAQI
15th Aug 2025606 AMAQI
15th Aug 2025607 AMAQI
15th Aug 2025308 AMAQI
15th Aug 2025359 AMAQI
15th Aug 20252910 AMAQI
15th Aug 20252311 AMAQI
15th Aug 20253012 PMAQI
15th Aug 2025251 PMAQI
15th Aug 2025242 PMAQI
15th Aug 2025233 PMAQI
15th Aug 2025244 PMAQI
15th Aug 2025205 PMAQI
15th Aug 2025206 PMAQI
15th Aug 2025417 PMAQI
15th Aug 2025518 PMAQI
15th Aug 2025529 PMAQI
15th Aug 20255310 PMAQI
15th Aug 20255411 PMAQI
16th Aug 20255612 AMAQI
16th Aug 2025581 AMAQI
16th Aug 2025582 AMAQI
16th Aug 2025563 AMAQI
16th Aug 2025544 AMAQI

28°C23/33°C

16th Aug 2025545 AMAQI
16th Aug 2025556 AMAQI
16th Aug 2025557 AMAQI
16th Aug 2025528 AMAQI
16th Aug 2025479 AMAQI
16th Aug 20255310 AMAQI
16th Aug 20254811 AMAQI
16th Aug 20254512 PMAQI
16th Aug 2025401 PMAQI
16th Aug 2025382 PMAQI
16th Aug 2025423 PMAQI
16th Aug 2025424 PMAQI
16th Aug 2025395 PMAQI
16th Aug 2025436 PMAQI
16th Aug 2025467 PMAQI
16th Aug 2025548 PMAQI
16th Aug 2025549 PMAQI
16th Aug 20255710 PMAQI
16th Aug 20255611 PMAQI
17th Aug 20255712 AMAQI
17th Aug 2025561 AMAQI
17th Aug 2025562 AMAQI
17th Aug 2025553 AMAQI
17th Aug 2025544 AMAQI

29°C25/35°C

17th Aug 2025555 AMAQI
17th Aug 2025556 AMAQI
17th Aug 2025547 AMAQI
17th Aug 2025568 AMAQI
17th Aug 2025569 AMAQI
17th Aug 20255210 AMAQI
17th Aug 20255411 AMAQI
17th Aug 20255512 PMAQI
17th Aug 2025501 PMAQI
17th Aug 2025432 PMAQI
17th Aug 2025463 PMAQI
17th Aug 2025494 PMAQI
17th Aug 2025495 PMAQI
17th Aug 2025536 PMAQI
17th Aug 2025537 PMAQI
17th Aug 2025568 PMAQI
17th Aug 2025589 PMAQI
17th Aug 20255710 PMAQI
17th Aug 20256011 PMAQI
18th Aug 20255612 AMAQI
18th Aug 2025551 AMAQI
18th Aug 2025552 AMAQI
18th Aug 2025543 AMAQI
18th Aug 2025544 AMAQI

30°C25/35°C

18th Aug 2025545 AMAQI
18th Aug 2025546 AMAQI
18th Aug 2025547 AMAQI
18th Aug 2025668 AMAQI
18th Aug 2025639 AMAQI
18th Aug 20256010 AMAQI
18th Aug 20255411 AMAQI
18th Aug 20255612 PMAQI
18th Aug 2025541 PMAQI
18th Aug 2025502 PMAQI
18th Aug 2025443 PMAQI
18th Aug 2025474 PMAQI
18th Aug 2025425 PMAQI
18th Aug 2025426 PMAQI
18th Aug 2025467 PMAQI
18th Aug 2025548 PMAQI
18th Aug 2025569 PMAQI
18th Aug 20255510 PMAQI
18th Aug 20255611 PMAQI
19th Aug 20255412 AMAQI
19th Aug 2025541 AMAQI
19th Aug 2025562 AMAQI
19th Aug 2025553 AMAQI
19th Aug 2025554 AMAQI

30°C26/36°C

19th Aug 2025555 AMAQI
19th Aug 2025556 AMAQI
19th Aug 2025567 AMAQI
19th Aug 2025428 AMAQI
19th Aug 2025439 AMAQI
19th Aug 20254010 AMAQI
19th Aug 20253111 AMAQI
19th Aug 20253612 PMAQI
19th Aug 2025431 PMAQI
19th Aug 2025362 PMAQI
19th Aug 2025393 PMAQI
19th Aug 2025384 PMAQI
19th Aug 2025455 PMAQI
19th Aug 2025396 PMAQI
19th Aug 2025457 PMAQI
19th Aug 2025538 PMAQI
19th Aug 2025509 PMAQI
19th Aug 20255210 PMAQI
19th Aug 20255411 PMAQI
20th Aug 20255312 AMAQI
20th Aug 2025541 AMAQI
20th Aug 2025542 AMAQI
20th Aug 2025533 AMAQI
20th Aug 2025524 AMAQI

30°C25/35°C

20th Aug 2025535 AMAQI
5 AM
20th Aug 2025526 AMAQI
20th Aug 2025527 AMAQI
20th Aug 2025458 AMAQI
20th Aug 2025499 AMAQI
20th Aug 20254710 AMAQI
20th Aug 20254911 AMAQI
20th Aug 20254412 PMAQI
12 PM
20th Aug 2025421 PMAQI
20th Aug 2025332 PMAQI
20th Aug 2025283 PMAQI
20th Aug 2025324 PMAQI
7 PM
12 AM
4 AM

--°C/°C

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

57AQI

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

47AQI

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 7 AM (Moyenne 57), tandis que l'AQI le plus bas était entre 2 PM à 6 PM (Moyenne 47).
Heure de la nuit
Heure moyenne la plus haute
12 AM - 11 PM

57AQI

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

57AQI

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 57), tandis que l'AQI le plus bas était entre 12 AM à 11 PM (Moyenne 57).

Jours de 2025 Vs Qualité de l'Air

Heshan Environmental Protection Branch, Yiyang, Hunan, China

2025

8%

19

41%

95

40%

92

10%

22

1%

3

Nombre total de jours avec différentes catégories AQI au cours des 232 derniers jours de 2025 (133 jours restants)

Bon
19 Jours
Modéré
95 Jours
Pauvre
92 Jours
Non sain
22 Jours
Sévère
3 Jours
Dangereux
0 Jours

Sous les limites sécuritaires de l'OMS pour la qualité de l'air : 8%

Niveau de risque sanitaire:

Extrême

En 2025, 8% des 232 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

Heshan Environmental Protection Branch, 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
179AQI
2nd Janvier 2025
190AQI
3rd Janvier 2025
197AQI
4th Janvier 2025
228AQI
5th Janvier 2025
162AQI
6th Janvier 2025
175AQI
7th Janvier 2025
162AQI
8th Janvier 2025
139AQI
9th Janvier 2025
146AQI
10th Janvier 2025
131AQI
11th Janvier 2025
136AQI
12th Janvier 2025
138AQI
13th Janvier 2025
144AQI
14th Janvier 2025
162AQI
15th Janvier 2025
121AQI
16th Janvier 2025
134AQI
17th Janvier 2025
135AQI
18th Janvier 2025
155AQI
19th Janvier 2025
152AQI
20th Janvier 2025
165AQI
21st Janvier 2025
166AQI
22nd Janvier 2025
184AQI
23rd Janvier 2025
241AQI
24th Janvier 2025
178AQI
25th Janvier 2025
117AQI
26th Janvier 2025
109AQI
27th Janvier 2025
106AQI
28th Janvier 2025
142AQI
29th Janvier 2025
207AQI
30th Janvier 2025
164AQI
31st Janvier 2025
170AQI
1st Février 2025
138AQI
2nd Février 2025
141AQI
3rd Février 2025
146AQI
4th Février 2025
131AQI
5th Février 2025
142AQI
6th Février 2025
113AQI
7th Février 2025
112AQI
8th Février 2025
81AQI
9th Février 2025
91AQI
10th Février 2025
109AQI
11th Février 2025
129AQI
12th Février 2025
139AQI
13th Février 2025
153AQI
14th Février 2025
143AQI
15th Février 2025
156AQI
16th Février 2025
134AQI
17th Février 2025
109AQI
18th Février 2025
101AQI
19th Février 2025
117AQI
20th Février 2025
140AQI
21st Février 2025
152AQI
22nd Février 2025
103AQI
23rd Février 2025
159AQI
24th Février 2025
143AQI
25th Février 2025
152AQI
26th Février 2025
153AQI
27th Février 2025
119AQI
28th Février 2025
134AQI
1st Mars 2025
103AQI
2nd Mars 2025
92AQI
3rd Mars 2025
75AQI
4th Mars 2025
91AQI
5th Mars 2025
94AQI
6th Mars 2025
117AQI
7th Mars 2025
118AQI
8th Mars 2025
109AQI
9th Mars 2025
126AQI
10th Mars 2025
103AQI
11th Mars 2025
110AQI
12th Mars 2025
135AQI
13th Mars 2025
129AQI
14th Mars 2025
99AQI
15th Mars 2025
89AQI
16th Mars 2025
91AQI
17th Mars 2025
80AQI
18th Mars 2025
78AQI
19th Mars 2025
79AQI
20th Mars 2025
79AQI
21st Mars 2025
80AQI
22nd Mars 2025
96AQI
23rd Mars 2025
107AQI
24th Mars 2025
93AQI
25th Mars 2025
116AQI
26th Mars 2025
129AQI
27th Mars 2025
141AQI
28th Mars 2025
110AQI
29th Mars 2025
117AQI
30th Mars 2025
107AQI
31st Mars 2025
111AQI
1st Avril 2025
112AQI
2nd Avril 2025
110AQI
3rd Avril 2025
120AQI
4th Avril 2025
130AQI
5th Avril 2025
134AQI
6th Avril 2025
126AQI
7th Avril 2025
133AQI
8th Avril 2025
130AQI
9th Avril 2025
131AQI
10th Avril 2025
132AQI
11th Avril 2025
122AQI
12th Avril 2025
181AQI
13th Avril 2025
143AQI
14th Avril 2025
147AQI
15th Avril 2025
131AQI
16th Avril 2025
124AQI
17th Avril 2025
122AQI
18th Avril 2025
116AQI
19th Avril 2025
111AQI
20th Avril 2025
137AQI
21st Avril 2025
103AQI
22nd Avril 2025
110AQI
23rd Avril 2025
109AQI
24th Avril 2025
102AQI
25th Avril 2025
104AQI
26th Avril 2025
98AQI
27th Avril 2025
107AQI
28th Avril 2025
117AQI
29th Avril 2025
111AQI
30th Avril 2025
94AQI
1st Mai 2025
96AQI
2nd Mai 2025
96AQI
3rd Mai 2025
103AQI
4th Mai 2025
111AQI
5th Mai 2025
101AQI
6th Mai 2025
111AQI
7th Mai 2025
119AQI
8th Mai 2025
95AQI
9th Mai 2025
99AQI
10th Mai 2025
96AQI
11th Mai 2025
94AQI
12th Mai 2025
95AQI
13th Mai 2025
96AQI
14th Mai 2025
117AQI
15th Mai 2025
115AQI
16th Mai 2025
96AQI
17th Mai 2025
100AQI
18th Mai 2025
122AQI
19th Mai 2025
110AQI
20th Mai 2025
87AQI
21st Mai 2025
91AQI
22nd Mai 2025
87AQI
23rd Mai 2025
101AQI
24th Mai 2025
114AQI
25th Mai 2025
118AQI
26th Mai 2025
111AQI
27th Mai 2025
122AQI
28th Mai 2025
96AQI
29th Mai 2025
91AQI
30th Mai 2025
85AQI
31st Mai 2025
88AQI
1st Juin 2025
80AQI
2nd Juin 2025
92AQI
3rd Juin 2025
95AQI
4th Juin 2025
114AQI
5th Juin 2025
91AQI
6th Juin 2025
96AQI
7th Juin 2025
84AQI
8th Juin 2025
87AQI
9th Juin 2025
85AQI
10th Juin 2025
88AQI
11th Juin 2025
90AQI
12th Juin 2025
88AQI
13th Juin 2025
86AQI
14th Juin 2025
82AQI
15th Juin 2025
82AQI
16th Juin 2025
75AQI
17th Juin 2025
75AQI
18th Juin 2025
55AQI
19th Juin 2025
51AQI
20th Juin 2025
51AQI
21st Juin 2025
46AQI
22nd Juin 2025
36AQI
23rd Juin 2025
40AQI
24th Juin 2025
48AQI
25th Juin 2025
54AQI
26th Juin 2025
54AQI
27th Juin 2025
53AQI
28th Juin 2025
46AQI
29th Juin 2025
46AQI
30th Juin 2025
45AQI
1st Juillet 2025
42AQI
2nd Juillet 2025
38AQI
3rd Juillet 2025
43AQI
4th Juillet 2025
48AQI
5th Juillet 2025
54AQI
6th Juillet 2025
60AQI
7th Juillet 2025
63AQI
8th Juillet 2025
71AQI
9th Juillet 2025
62AQI
10th Juillet 2025
54AQI
11th Juillet 2025
66AQI
12th Juillet 2025
62AQI
13th Juillet 2025
60AQI
14th Juillet 2025
57AQI
15th Juillet 2025
60AQI
16th Juillet 2025
56AQI
17th Juillet 2025
62AQI
18th Juillet 2025
61AQI
19th Juillet 2025
60AQI
20th Juillet 2025
61AQI
21st Juillet 2025
50AQI
22nd Juillet 2025
45AQI
23rd Juillet 2025
45AQI
24th Juillet 2025
45AQI
25th Juillet 2025
49AQI
26th Juillet 2025
54AQI
27th Juillet 2025
53AQI
28th Juillet 2025
54AQI
29th Juillet 2025
54AQI
30th Juillet 2025
55AQI
31st Juillet 2025
55AQI
1st Août 2025
63AQI
2nd Août 2025
68AQI
3rd Août 2025
65AQI
4th Août 2025
63AQI
5th Août 2025
62AQI
6th Août 2025
54AQI
7th Août 2025
51AQI
8th Août 2025
47AQI
9th Août 2025
50AQI
10th Août 2025
55AQI
11th Août 2025
59AQI
12th Août 2025
60AQI
13th Août 2025
59AQI
14th Août 2025
57AQI
15th Août 2025
44AQI
16th Août 2025
51AQI
17th Août 2025
54AQI
18th Août 2025
53AQI
19th Août 2025
51AQI

159AQI

130AQI

103AQI

122AQI

102AQI

71AQI

55AQI

56AQI

Nombre de jours

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

2025102AQI

13
15
3
2
20
6
14
17
2
27
1
17
14
7
22
1
9
22
3
16
19
95
92
22
3

Le plus élevé AQI enregistré en

Janvier

159AQI

Le plus bas AQI enregistré en

Juillet

55AQI

2024105AQI

3
11
17
2
6
12
8
1
9
13
9
15
15
2
19
10
17
12
1
20
11
4
27
12
16
2
9
16
6
2
7
6
15
14
17
47
130
114
74
1

Le plus élevé AQI enregistré en

Décembre

152AQI

Le plus bas AQI enregistré en

Juillet

48AQI

202398AQI

2
7
15
7
2
15
11
1
15
11
4
5
20
5
8
17
6
9
21
24
7
7
20
4
2
24
4
1
12
16
2
1
3
18
4
1
8
14
5
3
59
151
100
41
10

Le plus élevé AQI enregistré en

Janvier

173AQI

Le plus bas AQI enregistré en

Juillet

46AQI

2022102AQI

3
5
19
4
2
12
7
2
18
8
3
2
11
4
4
17
9
1
20
10
20
1
1
1
19
10
7
5
16
3
2
8
15
5
2
12
17
58
97
91
55
4

Le plus élevé AQI enregistré en

Janvier

169AQI

Le plus bas AQI enregistré en

Juillet

37AQI

202188AQI

1
12
16
2
6
14
7
1
2
12
17
2
18
10
14
11
6
17
13
31
20
1
19
10
1
11
12
5
2
5
9
10
6
5
17
7
2
121
98
92
38
5

Le plus élevé AQI enregistré en

Janvier

159AQI

Le plus bas AQI enregistré en

Juillet

34AQI

202092AQI

1
6
3
3
11
6
4
1
9
8
18
12
19
7
4
1
22
6
3
9
17
4
4
8
14
5
10
11
9
1
5
22
3
74
87
58
44
3

Le plus élevé AQI enregistré en

Décembre

171AQI

Le plus bas AQI enregistré en

Août

49AQI

Années les plus & moins polluées des 6 dernières années

Année la plus polluée enregistrée
2024(Moyenne)
105AQI
Année la moins polluée enregistrée
2021(Moyenne)
88AQI

La qualité de l'air annuelle de Heshan Environmental Protection Branch pour l'année 2025 AQI (102) montre un changement moyen de pourcentage de 4.8% (empiré AQI) par rapport aux années précédentes : 2020 (92), 2021 (88), 2022 (102), 2023 (98), 2024 (105).