Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Analyse Historique de la Qualité de l'Air à High Tech Zone Epa, Changsha, 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

High Tech Zone Epa, Changsha, 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
102AQI
AQI le plus bas enregistré le
1st Aug 2024
33AQI

Analyse du même jour (2nd 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 68 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

High Tech Zone Epa, Changsha, Hunan, China

AQI
Jour
Nuit
.

5 AM3rd Aug 2025

7 PM

4 AM4th 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
1PM3rd Aug

68AQI

Heure moyenne la plus basse
5PM3rd Aug

61AQI

Au cours des 24 dernières heures,

L'AQI de High Tech Zone Epa a atteint son point le plus élevé de 68 à 1 PM pendant le Nuit, tandis que le point le plus bas, undefined, a été enregistré à 4 AM pendant le Nuit entre 3rd Aug et 4th Aug 2025.

Tendance AQI Jour & Nuit : Jul - Aug 2025

High Tech Zone Epa, Changsha, Hunan, 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 2025516 AMAQI
5th Jul 2025527 AMAQI
5th Jul 2025668 AMAQI
5th Jul 2025719 AMAQI
5th Jul 20257610 AMAQI
5th Jul 20257511 AMAQI
5th Jul 20257312 PMAQI
5th Jul 2025711 PMAQI
5th Jul 2025692 PMAQI
5th Jul 2025703 PMAQI
5th Jul 2025714 PMAQI
5th Jul 2025745 PMAQI
5th Jul 2025716 PMAQI
5th Jul 2025657 PMAQI
5th Jul 2025578 PMAQI
5th Jul 2025589 PMAQI
5th Jul 20255710 PMAQI
5th Jul 20255811 PMAQI
6th Jul 20256012 AMAQI
6th Jul 2025521 AMAQI
6th Jul 2025532 AMAQI
6th Jul 2025543 AMAQI
6th Jul 2025554 AMAQI

33°C28/38°C

6th Jul 2025555 AMAQI
6th Jul 2025556 AMAQI
6th Jul 2025557 AMAQI
6th Jul 2025608 AMAQI
6th Jul 2025659 AMAQI
6th Jul 20256710 AMAQI
6th Jul 20257111 AMAQI
6th Jul 20256912 PMAQI
6th Jul 2025701 PMAQI
6th Jul 2025722 PMAQI
6th Jul 2025703 PMAQI
6th Jul 2025694 PMAQI
6th Jul 2025725 PMAQI
6th Jul 2025726 PMAQI
6th Jul 2025717 PMAQI
6th Jul 2025618 PMAQI
6th Jul 2025629 PMAQI
6th Jul 20256410 PMAQI
6th Jul 20256311 PMAQI
7th Jul 20256312 AMAQI
7th Jul 2025571 AMAQI
7th Jul 2025572 AMAQI
7th Jul 2025583 AMAQI
7th Jul 2025604 AMAQI

32°C27/38°C

7th Jul 2025605 AMAQI
7th Jul 2025606 AMAQI
7th Jul 2025607 AMAQI
7th Jul 2025738 AMAQI
7th Jul 2025779 AMAQI
7th Jul 20258210 AMAQI
7th Jul 20259011 AMAQI
7th Jul 20258312 PMAQI
7th Jul 2025821 PMAQI
7th Jul 2025782 PMAQI
7th Jul 2025753 PMAQI
7th Jul 2025754 PMAQI
7th Jul 2025755 PMAQI
7th Jul 2025766 PMAQI
7th Jul 2025697 PMAQI
7th Jul 2025668 PMAQI
7th Jul 2025689 PMAQI
7th Jul 20256610 PMAQI
7th Jul 20256711 PMAQI
8th Jul 20256612 AMAQI
8th Jul 2025611 AMAQI
8th Jul 2025602 AMAQI
8th Jul 2025623 AMAQI
8th Jul 2025644 AMAQI

32°C26/38°C

8th Jul 2025635 AMAQI
8th Jul 2025646 AMAQI
8th Jul 2025647 AMAQI
8th Jul 2025828 AMAQI
8th Jul 2025909 AMAQI
8th Jul 202510410 AMAQI
8th Jul 202510211 AMAQI
8th Jul 20258812 PMAQI
8th Jul 2025851 PMAQI
8th Jul 2025852 PMAQI
8th Jul 2025843 PMAQI
8th Jul 2025824 PMAQI
8th Jul 2025845 PMAQI
8th Jul 2025706 PMAQI
8th Jul 2025647 PMAQI
8th Jul 2025648 PMAQI
8th Jul 2025659 PMAQI
8th Jul 20256610 PMAQI
8th Jul 20256411 PMAQI
9th Jul 20256412 AMAQI
9th Jul 2025631 AMAQI
9th Jul 2025622 AMAQI
9th Jul 2025643 AMAQI
9th Jul 2025664 AMAQI

32°C28/39°C

9th Jul 2025655 AMAQI
9th Jul 2025656 AMAQI
9th Jul 2025657 AMAQI
9th Jul 2025688 AMAQI
9th Jul 2025729 AMAQI
9th Jul 20257310 AMAQI
9th Jul 20259511 AMAQI
9th Jul 20258712 PMAQI
9th Jul 2025821 PMAQI
9th Jul 2025772 PMAQI
9th Jul 2025723 PMAQI
9th Jul 2025704 PMAQI
9th Jul 2025645 PMAQI
9th Jul 2025546 PMAQI
9th Jul 2025567 PMAQI
9th Jul 2025628 PMAQI
9th Jul 2025639 PMAQI
9th Jul 20256210 PMAQI
9th Jul 20256211 PMAQI
10th Jul 20256312 AMAQI
10th Jul 2025641 AMAQI
10th Jul 2025642 AMAQI
10th Jul 2025653 AMAQI
10th Jul 2025664 AMAQI

30°C26/37°C

10th Jul 2025665 AMAQI
10th Jul 2025666 AMAQI
10th Jul 2025667 AMAQI
10th Jul 2025468 AMAQI
10th Jul 2025319 AMAQI
10th Jul 20254210 AMAQI
10th Jul 20254711 AMAQI
10th Jul 20255212 PMAQI
10th Jul 2025541 PMAQI
10th Jul 2025522 PMAQI
10th Jul 2025523 PMAQI
10th Jul 2025484 PMAQI
10th Jul 2025545 PMAQI
10th Jul 2025526 PMAQI
10th Jul 2025567 PMAQI
10th Jul 2025608 PMAQI
10th Jul 2025629 PMAQI
10th Jul 20256010 PMAQI
10th Jul 20255911 PMAQI
11th Jul 20256112 AMAQI
11th Jul 2025631 AMAQI
11th Jul 2025632 AMAQI
11th Jul 2025633 AMAQI
11th Jul 2025624 AMAQI

30°C26/36°C

11th Jul 2025615 AMAQI
11th Jul 2025626 AMAQI
11th Jul 2025627 AMAQI
11th Jul 2025618 AMAQI
11th Jul 2025659 AMAQI
11th Jul 20256510 AMAQI
11th Jul 20256411 AMAQI
11th Jul 20256612 PMAQI
11th Jul 2025691 PMAQI
11th Jul 2025692 PMAQI
11th Jul 2025683 PMAQI
11th Jul 2025694 PMAQI
11th Jul 2025725 PMAQI
11th Jul 2025656 PMAQI
11th Jul 2025577 PMAQI
11th Jul 2025618 PMAQI
11th Jul 2025629 PMAQI
11th Jul 20256210 PMAQI
11th Jul 20256211 PMAQI
12th Jul 20256412 AMAQI
12th Jul 2025621 AMAQI
12th Jul 2025612 AMAQI
12th Jul 2025613 AMAQI
12th Jul 2025624 AMAQI

30°C25/35°C

12th Jul 2025625 AMAQI
12th Jul 2025626 AMAQI
12th Jul 2025627 AMAQI
12th Jul 2025568 AMAQI
12th Jul 2025569 AMAQI
12th Jul 20255810 AMAQI
12th Jul 20256011 AMAQI
12th Jul 20256112 PMAQI
12th Jul 2025641 PMAQI
12th Jul 2025632 PMAQI
12th Jul 2025623 PMAQI
12th Jul 2025634 PMAQI
12th Jul 2025625 PMAQI
12th Jul 2025626 PMAQI
12th Jul 2025587 PMAQI
12th Jul 2025618 PMAQI
12th Jul 2025619 PMAQI
12th Jul 20256010 PMAQI
12th Jul 20256111 PMAQI
13th Jul 20256112 AMAQI
13th Jul 2025621 AMAQI
13th Jul 2025622 AMAQI
13th Jul 2025623 AMAQI
13th Jul 2025624 AMAQI

28°C25/32°C

13th Jul 2025625 AMAQI
13th Jul 2025626 AMAQI
13th Jul 2025627 AMAQI
13th Jul 2025618 AMAQI
13th Jul 2025619 AMAQI
13th Jul 20255710 AMAQI
13th Jul 20255811 AMAQI
13th Jul 20256112 PMAQI
13th Jul 2025581 PMAQI
13th Jul 2025602 PMAQI
13th Jul 2025583 PMAQI
13th Jul 2025584 PMAQI
13th Jul 2025565 PMAQI
13th Jul 2025546 PMAQI
13th Jul 2025587 PMAQI
13th Jul 2025618 PMAQI
13th Jul 2025609 PMAQI
13th Jul 20256010 PMAQI
13th Jul 20256111 PMAQI
14th Jul 20256012 AMAQI
14th Jul 2025611 AMAQI
14th Jul 2025612 AMAQI
14th Jul 2025613 AMAQI
14th Jul 2025614 AMAQI

29°C25/33°C

14th Jul 2025615 AMAQI
14th Jul 2025616 AMAQI
14th Jul 2025617 AMAQI
14th Jul 2025588 AMAQI
14th Jul 2025549 AMAQI
14th Jul 20255710 AMAQI
14th Jul 20256211 AMAQI
14th Jul 20255912 PMAQI
14th Jul 2025591 PMAQI
14th Jul 2025582 PMAQI
14th Jul 2025603 PMAQI
14th Jul 2025624 PMAQI
14th Jul 2025645 PMAQI
14th Jul 2025646 PMAQI
14th Jul 2025637 PMAQI
14th Jul 2025628 PMAQI
14th Jul 2025629 PMAQI
14th Jul 20256210 PMAQI
14th Jul 20256211 PMAQI
15th Jul 20256212 AMAQI
15th Jul 2025611 AMAQI
15th Jul 2025602 AMAQI
15th Jul 2025603 AMAQI
15th Jul 2025604 AMAQI

30°C26/36°C

15th Jul 2025605 AMAQI
15th Jul 2025606 AMAQI
15th Jul 2025607 AMAQI
15th Jul 2025668 AMAQI
15th Jul 2025639 AMAQI
15th Jul 20256110 AMAQI
15th Jul 20256111 AMAQI
15th Jul 20256112 PMAQI
15th Jul 2025611 PMAQI
15th Jul 2025582 PMAQI
15th Jul 2025583 PMAQI
15th Jul 2025584 PMAQI
15th Jul 2025605 PMAQI
15th Jul 2025586 PMAQI
15th Jul 2025587 PMAQI
15th Jul 2025618 PMAQI
15th Jul 2025629 PMAQI
15th Jul 20256110 PMAQI
15th Jul 20256011 PMAQI
16th Jul 20256112 AMAQI
16th Jul 2025601 AMAQI
16th Jul 2025602 AMAQI
16th Jul 2025613 AMAQI
16th Jul 2025604 AMAQI

32°C27/37°C

16th Jul 2025605 AMAQI
16th Jul 2025606 AMAQI
16th Jul 2025607 AMAQI
16th Jul 2025488 AMAQI
16th Jul 2025509 AMAQI
16th Jul 20255210 AMAQI
16th Jul 20255411 AMAQI
16th Jul 20255512 PMAQI
16th Jul 2025571 PMAQI
16th Jul 2025572 PMAQI
16th Jul 2025573 PMAQI
16th Jul 2025574 PMAQI
16th Jul 2025615 PMAQI
16th Jul 2025626 PMAQI
16th Jul 2025627 PMAQI
16th Jul 2025618 PMAQI
16th Jul 2025629 PMAQI
16th Jul 20256110 PMAQI
16th Jul 20256211 PMAQI
17th Jul 20256112 AMAQI
17th Jul 2025611 AMAQI
17th Jul 2025612 AMAQI
17th Jul 2025603 AMAQI
17th Jul 2025604 AMAQI

33°C28/38°C

17th Jul 2025595 AMAQI
17th Jul 2025606 AMAQI
17th Jul 2025607 AMAQI
17th Jul 2025568 AMAQI
17th Jul 2025549 AMAQI
17th Jul 20255210 AMAQI
17th Jul 20255811 AMAQI
17th Jul 20255912 PMAQI
17th Jul 2025581 PMAQI
17th Jul 2025612 PMAQI
17th Jul 2025603 PMAQI
17th Jul 2025614 PMAQI
17th Jul 2025625 PMAQI
17th Jul 2025646 PMAQI
17th Jul 2025667 PMAQI
17th Jul 2025648 PMAQI
17th Jul 2025639 PMAQI
17th Jul 20256510 PMAQI
17th Jul 20256411 PMAQI
18th Jul 20256212 AMAQI
18th Jul 2025601 AMAQI
18th Jul 2025602 AMAQI
18th Jul 2025603 AMAQI
18th Jul 2025604 AMAQI

32°C29/35°C

18th Jul 2025605 AMAQI
18th Jul 2025606 AMAQI
18th Jul 2025607 AMAQI
18th Jul 2025958 AMAQI
18th Jul 20251049 AMAQI
18th Jul 20258410 AMAQI
18th Jul 20256111 AMAQI
18th Jul 20255312 PMAQI
18th Jul 2025461 PMAQI
18th Jul 2025542 PMAQI
18th Jul 2025623 PMAQI
18th Jul 2025644 PMAQI
18th Jul 2025715 PMAQI
18th Jul 2025646 PMAQI
18th Jul 2025637 PMAQI
18th Jul 2025618 PMAQI
18th Jul 2025639 PMAQI
18th Jul 20256310 PMAQI
18th Jul 20256211 PMAQI
19th Jul 20256012 AMAQI
19th Jul 2025611 AMAQI
19th Jul 2025622 AMAQI
19th Jul 2025623 AMAQI
19th Jul 2025634 AMAQI

32°C28/38°C

19th Jul 2025635 AMAQI
19th Jul 2025636 AMAQI
19th Jul 2025637 AMAQI
19th Jul 2025708 AMAQI
19th Jul 2025669 AMAQI
19th Jul 20256110 AMAQI
19th Jul 20255711 AMAQI
19th Jul 20256412 PMAQI
19th Jul 2025641 PMAQI
19th Jul 2025652 PMAQI
19th Jul 2025643 PMAQI
19th Jul 2025624 PMAQI
19th Jul 2025625 PMAQI
19th Jul 2025626 PMAQI
19th Jul 2025667 PMAQI
19th Jul 2025658 PMAQI
19th Jul 2025659 PMAQI
19th Jul 20256610 PMAQI
19th Jul 20256611 PMAQI
20th Jul 20256812 AMAQI
20th Jul 2025621 AMAQI
20th Jul 2025622 AMAQI
20th Jul 2025623 AMAQI
20th Jul 2025624 AMAQI

31°C27/37°C

20th Jul 2025625 AMAQI
20th Jul 2025626 AMAQI
20th Jul 2025627 AMAQI
20th Jul 2025688 AMAQI
20th Jul 2025689 AMAQI
20th Jul 20256610 AMAQI
20th Jul 20255911 AMAQI
20th Jul 20255612 PMAQI
20th Jul 2025561 PMAQI
20th Jul 2025562 PMAQI
20th Jul 2025533 PMAQI
20th Jul 2025344 PMAQI
20th Jul 2025275 PMAQI
20th Jul 2025246 PMAQI
20th Jul 2025377 PMAQI
20th Jul 2025528 PMAQI
20th Jul 2025529 PMAQI
20th Jul 20255310 PMAQI
20th Jul 20255211 PMAQI
21st Jul 20255312 AMAQI
21st Jul 2025621 AMAQI
21st Jul 2025632 AMAQI
21st Jul 2025633 AMAQI
21st Jul 2025634 AMAQI

28°C25/33°C

21st Jul 2025625 AMAQI
21st Jul 2025636 AMAQI
21st Jul 2025627 AMAQI
21st Jul 2025368 AMAQI
21st Jul 2025219 AMAQI
21st Jul 20252410 AMAQI
21st Jul 20252211 AMAQI
21st Jul 20252512 PMAQI
21st Jul 2025241 PMAQI
21st Jul 2025242 PMAQI
21st Jul 2025193 PMAQI
21st Jul 2025204 PMAQI
21st Jul 2025175 PMAQI
21st Jul 2025196 PMAQI
21st Jul 2025317 PMAQI
21st Jul 2025518 PMAQI
21st Jul 2025509 PMAQI
21st Jul 20255010 PMAQI
21st Jul 20255111 PMAQI
22nd Jul 20255112 AMAQI
22nd Jul 2025611 AMAQI
22nd Jul 2025622 AMAQI
22nd Jul 2025603 AMAQI
22nd Jul 2025564 AMAQI

28°C26/33°C

22nd Jul 2025555 AMAQI
22nd Jul 2025556 AMAQI
22nd Jul 2025567 AMAQI
22nd Jul 2025288 AMAQI
22nd Jul 2025209 AMAQI
22nd Jul 20252210 AMAQI
22nd Jul 20252211 AMAQI
22nd Jul 20252212 PMAQI
22nd Jul 2025271 PMAQI
22nd Jul 2025342 PMAQI
22nd Jul 2025443 PMAQI
22nd Jul 2025224 PMAQI
22nd Jul 2025225 PMAQI
22nd Jul 2025226 PMAQI
22nd Jul 2025337 PMAQI
22nd Jul 2025528 PMAQI
22nd Jul 2025519 PMAQI
22nd Jul 20254610 PMAQI
22nd Jul 20254411 PMAQI
23rd Jul 20254612 AMAQI
23rd Jul 2025571 AMAQI
23rd Jul 2025582 AMAQI
23rd Jul 2025563 AMAQI
23rd Jul 2025544 AMAQI

27°C25/30°C

23rd Jul 2025545 AMAQI
23rd Jul 2025536 AMAQI
23rd Jul 2025537 AMAQI
23rd Jul 2025268 AMAQI
23rd Jul 2025179 AMAQI
23rd Jul 20251710 AMAQI
23rd Jul 20251911 AMAQI
23rd Jul 20252112 PMAQI
23rd Jul 2025221 PMAQI
23rd Jul 2025242 PMAQI
23rd Jul 2025283 PMAQI
23rd Jul 2025334 PMAQI
23rd Jul 2025285 PMAQI
23rd Jul 2025236 PMAQI
23rd Jul 2025287 PMAQI
23rd Jul 2025448 PMAQI
23rd Jul 2025449 PMAQI
23rd Jul 20254610 PMAQI
23rd Jul 20254211 PMAQI
24th Jul 20255212 AMAQI
24th Jul 2025521 AMAQI
24th Jul 2025542 AMAQI
24th Jul 2025533 AMAQI
24th Jul 2025504 AMAQI

27°C25/31°C

24th Jul 2025515 AMAQI
24th Jul 2025506 AMAQI
24th Jul 2025507 AMAQI
24th Jul 2025568 AMAQI
24th Jul 2025429 AMAQI
24th Jul 20256010 AMAQI
24th Jul 20255311 AMAQI
24th Jul 20255412 PMAQI
24th Jul 2025581 PMAQI
24th Jul 2025552 PMAQI
24th Jul 2025523 PMAQI
24th Jul 2025474 PMAQI
24th Jul 2025525 PMAQI
24th Jul 2025556 PMAQI
24th Jul 2025567 PMAQI
24th Jul 2025548 PMAQI
24th Jul 2025549 PMAQI
24th Jul 20253810 PMAQI
24th Jul 20254111 PMAQI
25th Jul 20254212 AMAQI
25th Jul 2025501 AMAQI
25th Jul 2025522 AMAQI
25th Jul 2025523 AMAQI
25th Jul 2025524 AMAQI

29°C25/35°C

25th Jul 2025525 AMAQI
25th Jul 2025526 AMAQI
25th Jul 2025527 AMAQI
25th Jul 2025538 AMAQI
25th Jul 2025529 AMAQI
25th Jul 20255010 AMAQI
25th Jul 20255111 AMAQI
25th Jul 20255312 PMAQI
25th Jul 2025491 PMAQI
25th Jul 2025462 PMAQI
25th Jul 2025503 PMAQI
25th Jul 2025524 PMAQI
25th Jul 2025515 PMAQI
25th Jul 2025496 PMAQI
25th Jul 2025527 PMAQI
25th Jul 2025548 PMAQI
25th Jul 2025559 PMAQI
25th Jul 20255510 PMAQI
25th Jul 20255811 PMAQI
26th Jul 20256012 AMAQI
26th Jul 2025521 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025523 AMAQI
26th Jul 2025524 AMAQI

30°C26/36°C

26th Jul 2025525 AMAQI
26th Jul 2025516 AMAQI
26th Jul 2025527 AMAQI
26th Jul 2025668 AMAQI
26th Jul 2025759 AMAQI
26th Jul 20257110 AMAQI
26th Jul 20257011 AMAQI
26th Jul 20256512 PMAQI
26th Jul 2025591 PMAQI
26th Jul 2025562 PMAQI
26th Jul 2025553 PMAQI
26th Jul 2025534 PMAQI
26th Jul 2025545 PMAQI
26th Jul 2025536 PMAQI
26th Jul 2025567 PMAQI
26th Jul 2025598 PMAQI
26th Jul 2025569 PMAQI
26th Jul 20255210 PMAQI
26th Jul 20255311 PMAQI
27th Jul 20255412 AMAQI
27th Jul 2025521 AMAQI
27th Jul 2025532 AMAQI
27th Jul 2025543 AMAQI
27th Jul 2025554 AMAQI

31°C26/36°C

27th Jul 2025565 AMAQI
27th Jul 2025566 AMAQI
27th Jul 2025557 AMAQI
27th Jul 2025638 AMAQI
27th Jul 2025699 AMAQI
27th Jul 20257110 AMAQI
27th Jul 20256811 AMAQI
27th Jul 20256912 PMAQI
27th Jul 2025681 PMAQI
27th Jul 2025582 PMAQI
27th Jul 2025543 PMAQI
27th Jul 2025454 PMAQI
27th Jul 2025275 PMAQI
27th Jul 2025226 PMAQI
27th Jul 2025287 PMAQI
27th Jul 2025428 PMAQI
27th Jul 2025409 PMAQI
27th Jul 20254610 PMAQI
27th Jul 20254311 PMAQI
28th Jul 20254312 AMAQI
28th Jul 2025541 AMAQI
28th Jul 2025542 AMAQI
28th Jul 2025553 AMAQI
28th Jul 2025574 AMAQI

29°C26/34°C

28th Jul 2025565 AMAQI
28th Jul 2025566 AMAQI
28th Jul 2025577 AMAQI
28th Jul 2025548 AMAQI
28th Jul 2025519 AMAQI
28th Jul 20255610 AMAQI
28th Jul 20255411 AMAQI
28th Jul 20255612 PMAQI
28th Jul 2025581 PMAQI
28th Jul 2025542 PMAQI
28th Jul 2025513 PMAQI
28th Jul 2025484 PMAQI
28th Jul 2025525 PMAQI
28th Jul 2025536 PMAQI
28th Jul 2025577 PMAQI
28th Jul 2025568 PMAQI
28th Jul 2025599 PMAQI
28th Jul 20255810 PMAQI
28th Jul 20255611 PMAQI
29th Jul 20255612 AMAQI
29th Jul 2025551 AMAQI
29th Jul 2025542 AMAQI
29th Jul 2025553 AMAQI
29th Jul 2025554 AMAQI

29°C25/34°C

29th Jul 2025555 AMAQI
29th Jul 2025556 AMAQI
29th Jul 2025557 AMAQI
29th Jul 2025628 AMAQI
29th Jul 2025669 AMAQI
29th Jul 20257110 AMAQI
29th Jul 20257411 AMAQI
29th Jul 20257412 PMAQI
29th Jul 2025701 PMAQI
29th Jul 2025642 PMAQI
29th Jul 2025533 PMAQI
29th Jul 2025524 PMAQI
29th Jul 2025515 PMAQI
29th Jul 2025496 PMAQI
29th Jul 2025507 PMAQI
29th Jul 2025558 PMAQI
29th Jul 2025569 PMAQI
29th Jul 20255610 PMAQI
29th Jul 20255611 PMAQI
30th Jul 20255712 AMAQI
30th Jul 2025541 AMAQI
30th Jul 2025552 AMAQI
30th Jul 2025563 AMAQI
30th Jul 2025584 AMAQI

29°C25/34°C

30th Jul 2025585 AMAQI
30th Jul 2025576 AMAQI
30th Jul 2025577 AMAQI
30th Jul 2025668 AMAQI
30th Jul 2025669 AMAQI
30th Jul 20257010 AMAQI
30th Jul 20257211 AMAQI
30th Jul 20257012 PMAQI
30th Jul 2025581 PMAQI
30th Jul 2025542 PMAQI
30th Jul 2025463 PMAQI
30th Jul 2025264 PMAQI
30th Jul 2025245 PMAQI
30th Jul 2025316 PMAQI
30th Jul 2025407 PMAQI
30th Jul 2025538 PMAQI
30th Jul 2025569 PMAQI
30th Jul 20255410 PMAQI
30th Jul 20255511 PMAQI
31st Jul 20255512 AMAQI
31st Jul 2025561 AMAQI
31st Jul 2025562 AMAQI
31st Jul 2025563 AMAQI
31st Jul 2025564 AMAQI

29°C26/34°C

31st Jul 2025565 AMAQI
31st Jul 2025566 AMAQI
31st Jul 2025567 AMAQI
31st Jul 2025568 AMAQI
31st Jul 2025569 AMAQI
31st Jul 20256810 AMAQI
31st Jul 20257411 AMAQI
31st Jul 20257712 PMAQI
31st Jul 2025761 PMAQI
31st Jul 2025742 PMAQI
31st Jul 2025643 PMAQI
31st Jul 2025624 PMAQI
31st Jul 2025545 PMAQI
31st Jul 2025586 PMAQI
31st Jul 2025607 PMAQI
31st Jul 2025618 PMAQI
31st Jul 2025629 PMAQI
31st Jul 20255910 PMAQI
31st Jul 20256111 PMAQI
1st Aug 20255912 AMAQI
1st Aug 2025561 AMAQI
1st Aug 2025562 AMAQI
1st Aug 2025563 AMAQI
1st Aug 2025584 AMAQI

30°C25/35°C

1st Aug 2025575 AMAQI
1st Aug 2025586 AMAQI
1st Aug 2025587 AMAQI
1st Aug 2025638 AMAQI
1st Aug 2025649 AMAQI
1st Aug 20256810 AMAQI
1st Aug 20256611 AMAQI
1st Aug 20256512 PMAQI
1st Aug 2025661 PMAQI
1st Aug 2025682 PMAQI
1st Aug 2025663 PMAQI
1st Aug 2025664 PMAQI
1st Aug 2025675 PMAQI
1st Aug 2025666 PMAQI
1st Aug 2025627 PMAQI
1st Aug 2025678 PMAQI
1st Aug 2025679 PMAQI
1st Aug 20257210 PMAQI
1st Aug 20257211 PMAQI
2nd Aug 20256612 AMAQI
2nd Aug 2025571 AMAQI
2nd Aug 2025562 AMAQI
2nd Aug 2025603 AMAQI
2nd Aug 2025604 AMAQI

30°C26/35°C

2nd Aug 2025605 AMAQI
2nd Aug 2025606 AMAQI
2nd Aug 2025617 AMAQI
2nd Aug 2025788 AMAQI
2nd Aug 2025819 AMAQI
2nd Aug 20257810 AMAQI
2nd Aug 20258011 AMAQI
2nd Aug 20258212 PMAQI
2nd Aug 2025691 PMAQI
2nd Aug 2025832 PMAQI
2nd Aug 2025713 PMAQI
2nd Aug 2025794 PMAQI
2nd Aug 2025765 PMAQI
2nd Aug 2025726 PMAQI
2nd Aug 2025687 PMAQI
2nd Aug 2025688 PMAQI
2nd Aug 2025709 PMAQI
2nd Aug 20257210 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

31°C26/36°C

3rd Aug 2025635 AMAQI
3rd Aug 2025626 AMAQI
3rd Aug 2025637 AMAQI
3rd Aug 2025638 AMAQI
3rd Aug 2025619 AMAQI
3rd Aug 20256510 AMAQI
3rd Aug 20256511 AMAQI
3rd Aug 20256612 PMAQI
3rd Aug 2025681 PMAQI
3rd Aug 2025632 PMAQI
3rd Aug 2025643 PMAQI
3rd Aug 2025644 PMAQI
3rd Aug 2025615 PMAQI
3rd Aug 2025646 PMAQI
3rd Aug 2025637 PMAQI
3rd Aug 2025648 PMAQI
3rd Aug 2025669 PMAQI
3rd Aug 20256810 PMAQI
3rd Aug 20256411 PMAQI
4th Aug 20256212 AMAQI

--°C/°C

5 AM
12 PM
7 PM
12 AM
4 AM

--°C/°C

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

59AQI

15 heures / Jour
450 heures / Mois
Heure moyenne la plus basse
5 AM - 7 PM

59AQI

15 heures / Jour
450 heures / Mois
Au cours des 30 derniers jours, pendant la journée, l'AQI le plus élevé était entre 5 AM à 7 PM (Moyenne 59), tandis que l'AQI le plus bas était entre 5 AM à 7 PM (Moyenne 59).
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

High Tech Zone Epa, Changsha, Hunan, China

2025

8%

17

53%

114

28%

60

9%

20

0.9%

2

0.4%

1

Nombre total de jours avec différentes catégories AQI au cours des 215 derniers jours de 2025 (150 jours restants)

Bon
17 Jours
Modéré
114 Jours
Pauvre
60 Jours
Non sain
20 Jours
Sévère
2 Jours
Dangereux
1 Jours

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

Niveau de risque sanitaire:

Extrême

En 2025, 8% des 215 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

High Tech Zone Epa, Changsha, 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
176AQI
2nd Janvier 2025
181AQI
3rd Janvier 2025
191AQI
4th Janvier 2025
218AQI
5th Janvier 2025
144AQI
6th Janvier 2025
161AQI
7th Janvier 2025
158AQI
8th Janvier 2025
142AQI
9th Janvier 2025
141AQI
10th Janvier 2025
113AQI
11th Janvier 2025
133AQI
12th Janvier 2025
132AQI
13th Janvier 2025
137AQI
14th Janvier 2025
147AQI
15th Janvier 2025
119AQI
16th Janvier 2025
124AQI
17th Janvier 2025
122AQI
18th Janvier 2025
141AQI
19th Janvier 2025
154AQI
20th Janvier 2025
164AQI
21st Janvier 2025
160AQI
22nd Janvier 2025
162AQI
23rd Janvier 2025
242AQI
24th Janvier 2025
174AQI
25th Janvier 2025
100AQI
26th Janvier 2025
97AQI
27th Janvier 2025
108AQI
28th Janvier 2025
116AQI
29th Janvier 2025
174AQI
30th Janvier 2025
133AQI
31st Janvier 2025
134AQI
1st Février 2025
113AQI
2nd Février 2025
121AQI
3rd Février 2025
128AQI
4th Février 2025
111AQI
5th Février 2025
139AQI
6th Février 2025
106AQI
7th Février 2025
121AQI
8th Février 2025
71AQI
9th Février 2025
91AQI
10th Février 2025
96AQI
11th Février 2025
128AQI
12th Février 2025
138AQI
13th Février 2025
156AQI
14th Février 2025
151AQI
15th Février 2025
160AQI
16th Février 2025
151AQI
17th Février 2025
120AQI
18th Février 2025
112AQI
19th Février 2025
112AQI
20th Février 2025
113AQI
21st Février 2025
152AQI
22nd Février 2025
78AQI
23rd Février 2025
156AQI
24th Février 2025
134AQI
25th Février 2025
156AQI
26th Février 2025
151AQI
27th Février 2025
135AQI
28th Février 2025
119AQI
1st Mars 2025
90AQI
2nd Mars 2025
83AQI
3rd Mars 2025
47AQI
4th Mars 2025
89AQI
5th Mars 2025
79AQI
6th Mars 2025
118AQI
7th Mars 2025
96AQI
8th Mars 2025
98AQI
9th Mars 2025
123AQI
10th Mars 2025
102AQI
11th Mars 2025
106AQI
12th Mars 2025
132AQI
13th Mars 2025
124AQI
14th Mars 2025
76AQI
15th Mars 2025
90AQI
16th Mars 2025
79AQI
17th Mars 2025
80AQI
18th Mars 2025
81AQI
19th Mars 2025
79AQI
20th Mars 2025
84AQI
21st Mars 2025
98AQI
22nd Mars 2025
98AQI
23rd Mars 2025
130AQI
24th Mars 2025
104AQI
25th Mars 2025
133AQI
26th Mars 2025
137AQI
27th Mars 2025
137AQI
28th Mars 2025
84AQI
29th Mars 2025
100AQI
30th Mars 2025
74AQI
31st Mars 2025
96AQI
1st Avril 2025
94AQI
2nd Avril 2025
100AQI
3rd Avril 2025
98AQI
4th Avril 2025
121AQI
5th Avril 2025
124AQI
6th Avril 2025
126AQI
7th Avril 2025
135AQI
8th Avril 2025
135AQI
9th Avril 2025
137AQI
10th Avril 2025
122AQI
11th Avril 2025
116AQI
12th Avril 2025
412AQI
13th Avril 2025
143AQI
14th Avril 2025
158AQI
15th Avril 2025
115AQI
16th Avril 2025
128AQI
17th Avril 2025
122AQI
18th Avril 2025
119AQI
19th Avril 2025
82AQI
20th Avril 2025
108AQI
21st Avril 2025
69AQI
22nd Avril 2025
89AQI
23rd Avril 2025
89AQI
24th Avril 2025
73AQI
25th Avril 2025
76AQI
26th Avril 2025
72AQI
27th Avril 2025
81AQI
28th Avril 2025
92AQI
29th Avril 2025
102AQI
30th Avril 2025
90AQI
1st Mai 2025
91AQI
2nd Mai 2025
88AQI
3rd Mai 2025
99AQI
4th Mai 2025
101AQI
5th Mai 2025
86AQI
6th Mai 2025
99AQI
7th Mai 2025
100AQI
8th Mai 2025
76AQI
9th Mai 2025
80AQI
10th Mai 2025
80AQI
11th Mai 2025
78AQI
12th Mai 2025
86AQI
13th Mai 2025
85AQI
14th Mai 2025
98AQI
15th Mai 2025
92AQI
16th Mai 2025
78AQI
17th Mai 2025
83AQI
18th Mai 2025
90AQI
19th Mai 2025
76AQI
20th Mai 2025
54AQI
21st Mai 2025
62AQI
22nd Mai 2025
56AQI
23rd Mai 2025
71AQI
24th Mai 2025
94AQI
25th Mai 2025
100AQI
26th Mai 2025
96AQI
27th Mai 2025
115AQI
28th Mai 2025
72AQI
29th Mai 2025
68AQI
30th Mai 2025
59AQI
31st Mai 2025
55AQI
1st Juin 2025
44AQI
2nd Juin 2025
62AQI
3rd Juin 2025
72AQI
4th Juin 2025
85AQI
5th Juin 2025
79AQI
6th Juin 2025
82AQI
7th Juin 2025
62AQI
8th Juin 2025
70AQI
9th Juin 2025
63AQI
10th Juin 2025
70AQI
11th Juin 2025
59AQI
12th Juin 2025
60AQI
13th Juin 2025
68AQI
14th Juin 2025
56AQI
15th Juin 2025
59AQI
16th Juin 2025
58AQI
17th Juin 2025
50AQI
18th Juin 2025
52AQI
19th Juin 2025
53AQI
20th Juin 2025
51AQI
21st Juin 2025
50AQI
22nd Juin 2025
37AQI
23rd Juin 2025
37AQI
24th Juin 2025
41AQI
25th Juin 2025
49AQI
26th Juin 2025
55AQI
27th Juin 2025
52AQI
28th Juin 2025
48AQI
29th Juin 2025
50AQI
30th Juin 2025
51AQI
1st Juillet 2025
45AQI
2nd Juillet 2025
42AQI
3rd Juillet 2025
47AQI
4th Juillet 2025
52AQI
5th Juillet 2025
60AQI
6th Juillet 2025
62AQI
7th Juillet 2025
68AQI
8th Juillet 2025
71AQI
9th Juillet 2025
67AQI
10th Juillet 2025
58AQI
11th Juillet 2025
63AQI
12th Juillet 2025
61AQI
13th Juillet 2025
60AQI
14th Juillet 2025
61AQI
15th Juillet 2025
60AQI
16th Juillet 2025
59AQI
17th Juillet 2025
61AQI
18th Juillet 2025
64AQI
19th Juillet 2025
63AQI
20th Juillet 2025
54AQI
21st Juillet 2025
43AQI
22nd Juillet 2025
42AQI
23rd Juillet 2025
39AQI
24th Juillet 2025
51AQI
25th Juillet 2025
52AQI
26th Juillet 2025
57AQI
27th Juillet 2025
50AQI
28th Juillet 2025
55AQI
29th Juillet 2025
57AQI
30th Juillet 2025
53AQI
31st Juillet 2025
61AQI
1st Août 2025
63AQI
2nd Août 2025
68AQI

148AQI

126AQI

98AQI

118AQI

83AQI

58AQI

56AQI

66AQI

Nombre de jours

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

202597AQI

2
16
11
2
4
16
8
1
19
11
13
15
1
1
29
2
9
21
7
24
2
17
114
60
20
2
1

Le plus élevé AQI enregistré en

Janvier

148AQI

Le plus bas AQI enregistré en

Juillet

56AQI

202499AQI

5
12
14
1
11
10
7
15
13
3
1
19
9
1
2
20
9
15
15
19
12
6
25
1
20
7
2
2
10
9
10
2
8
6
14
1
16
14
49
161
91
65

Le plus élevé AQI enregistré en

Décembre

142AQI

Le plus bas AQI enregistré en

Juillet

48AQI

202398AQI

1
3
10
13
4
1
3
14
10
2
8
15
6
4
19
6
1
2
22
7
6
24
11
20
3
26
2
4
26
1
11
18
1
4
20
2
1
8
15
4
3
36
174
107
37
7

Le plus élevé AQI enregistré en

Janvier

154AQI

Le plus bas AQI enregistré en

Juillet

56AQI

2022106AQI

5
9
14
3
6
9
6
2
14
11
4
1
15
12
1
2
14
14
1
7
23
12
9
1
15
12
1
5
5
16
5
10
17
3
2
16
13
30
118
116
48
3

Le plus élevé AQI enregistré en

Janvier

150AQI

Le plus bas AQI enregistré en

Août

42AQI

2021106AQI

2
12
16
1
4
14
9
1
8
22
1
2
8
18
2
2
22
6
1
6
18
6
4
27
3
18
3
21
6
2
14
9
6
9
11
10
4
7
16
4
22
155
111
61
6

Le plus élevé AQI enregistré en

Janvier

154AQI

Le plus bas AQI enregistré en

Juillet

62AQI

202099AQI

2
5
4
2
6
12
3
9
9
9
20
1
8
18
5
11
16
4
5
19
6
4
5
14
8
9
9
11
1
2
5
20
4
39
109
69
44
5

Le plus élevé AQI enregistré en

Décembre

163AQI

Le plus bas AQI enregistré en

Août

63AQI

Années les plus & moins polluées des 6 dernières années

Année la plus polluée enregistrée
2021(Moyenne)
106AQI
Année la moins polluée enregistrée
2025(Moyenne)
97AQI

La qualité de l'air annuelle de High Tech Zone Epa pour l'année 2025 AQI (97) montre un changement moyen de pourcentage de -4.05% (amélioré AQI) par rapport aux années précédentes : 2020 (99), 2021 (106), 2022 (106), 2023 (98), 2024 (99).