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HistoryAQIPM2.5PM10COSO2NO2O3

City Hopital No 4, Huaihua, Hunan, China Historical Air Quality Analysis

Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!

Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

August Air Quality Analysis

City Hopital No 4, Huaihua, Hunan, China

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
20th Aug 2023
106AQI
Lowest AQI recorded on
1st Aug 2024
30AQI

Same Day Analysis (5th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 65 of Moderate air quality, showing improvement over 2023 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 5th Aug - 6th Aug 2025

City Hopital No 4, Huaihua, Hunan, China

AQI
Day
Night
.

5 AM5th Aug 2025

7 PM

4 AM6th Aug 2025

Day time
Avg. Highest Time
1PM5th Aug

81AQI

Avg. Lowest Time
7PM5th Aug

52AQI

Night time
Avg. Highest Time
11PM5th Aug

66AQI

Avg. Lowest Time
8PM5th Aug

59AQI

In the last 24 hours,

City Hopital No 4's AQI reached its highest point of 81 at 1 PM during the Day, while the lowest point, 52, was recorded at 7 PM during the Day between 5th Aug and 6th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

City Hopital No 4, Huaihua, Hunan, China

JulAug
07th - 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 - 05th05th - 06th06th
Day
Night
7th Jul 2025615 AMAQI
7th Jul 2025606 AMAQI
7th Jul 2025617 AMAQI
7th Jul 2025688 AMAQI
7th Jul 2025699 AMAQI
7th Jul 20256910 AMAQI
7th Jul 20256011 AMAQI
7th Jul 20256412 PMAQI
7th Jul 2025671 PMAQI
7th Jul 2025672 PMAQI
7th Jul 2025643 PMAQI
7th Jul 2025654 PMAQI
7th Jul 2025625 PMAQI
7th Jul 2025646 PMAQI
7th Jul 2025587 PMAQI
7th Jul 2025568 PMAQI
7th Jul 2025589 PMAQI
7th Jul 20255910 PMAQI
7th Jul 20256411 PMAQI
8th Jul 20256312 AMAQI
8th Jul 2025581 AMAQI
8th Jul 2025572 AMAQI
8th Jul 2025583 AMAQI
8th Jul 2025584 AMAQI

29°C22/35°C

8th Jul 2025585 AMAQI
8th Jul 2025596 AMAQI
8th Jul 2025587 AMAQI
8th Jul 2025808 AMAQI
8th Jul 2025869 AMAQI
8th Jul 20258010 AMAQI
8th Jul 20257711 AMAQI
8th Jul 20257312 PMAQI
8th Jul 2025771 PMAQI
8th Jul 2025772 PMAQI
8th Jul 2025763 PMAQI
8th Jul 2025764 PMAQI
8th Jul 2025765 PMAQI
8th Jul 2025596 PMAQI
8th Jul 2025547 PMAQI
8th Jul 2025588 PMAQI
8th Jul 2025569 PMAQI
8th Jul 20255610 PMAQI
8th Jul 20255811 PMAQI
9th Jul 20256212 AMAQI
9th Jul 2025581 AMAQI
9th Jul 2025582 AMAQI
9th Jul 2025603 AMAQI
9th Jul 2025624 AMAQI

28°C23/36°C

9th Jul 2025625 AMAQI
9th Jul 2025626 AMAQI
9th Jul 2025627 AMAQI
9th Jul 2025758 AMAQI
9th Jul 2025879 AMAQI
9th Jul 20259410 AMAQI
9th Jul 20259511 AMAQI
9th Jul 20259212 PMAQI
9th Jul 2025941 PMAQI
9th Jul 2025892 PMAQI
9th Jul 2025693 PMAQI
9th Jul 2025644 PMAQI
9th Jul 2025645 PMAQI
9th Jul 2025736 PMAQI
9th Jul 2025807 PMAQI
9th Jul 2025678 PMAQI
9th Jul 2025649 PMAQI
9th Jul 20256610 PMAQI
9th Jul 20256411 PMAQI
10th Jul 20256412 AMAQI
10th Jul 2025601 AMAQI
10th Jul 2025602 AMAQI
10th Jul 2025633 AMAQI
10th Jul 2025664 AMAQI

29°C24/34°C

10th Jul 2025665 AMAQI
10th Jul 2025666 AMAQI
10th Jul 2025657 AMAQI
10th Jul 2025788 AMAQI
10th Jul 2025739 AMAQI
10th Jul 20256610 AMAQI
10th Jul 20255311 AMAQI
10th Jul 20255212 PMAQI
10th Jul 2025521 PMAQI
10th Jul 2025522 PMAQI
10th Jul 2025523 PMAQI
10th Jul 2025524 PMAQI
10th Jul 2025515 PMAQI
10th Jul 2025496 PMAQI
10th Jul 2025567 PMAQI
10th Jul 2025568 PMAQI
10th Jul 2025579 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255811 PMAQI
11th Jul 20255812 AMAQI
11th Jul 2025611 AMAQI
11th Jul 2025622 AMAQI
11th Jul 2025623 AMAQI
11th Jul 2025614 AMAQI

27°C24/31°C

11th Jul 2025605 AMAQI
11th Jul 2025616 AMAQI
11th Jul 2025627 AMAQI
11th Jul 2025618 AMAQI
11th Jul 2025629 AMAQI
11th Jul 20256310 AMAQI
11th Jul 20256711 AMAQI
11th Jul 20256012 PMAQI
11th Jul 2025621 PMAQI
11th Jul 2025682 PMAQI
11th Jul 2025603 PMAQI
11th Jul 2025644 PMAQI
11th Jul 2025645 PMAQI
11th Jul 2025626 PMAQI
11th Jul 2025667 PMAQI
11th Jul 2025648 PMAQI
11th Jul 2025649 PMAQI
11th Jul 20256610 PMAQI
11th Jul 20256611 PMAQI
12th Jul 20256912 AMAQI
12th Jul 2025611 AMAQI
12th Jul 2025612 AMAQI
12th Jul 2025613 AMAQI
12th Jul 2025614 AMAQI

27°C23/32°C

12th Jul 2025625 AMAQI
12th Jul 2025606 AMAQI
12th Jul 2025617 AMAQI
12th Jul 2025808 AMAQI
12th Jul 2025829 AMAQI
12th Jul 20258610 AMAQI
12th Jul 20258211 AMAQI
12th Jul 20258412 PMAQI
12th Jul 2025761 PMAQI
12th Jul 2025722 PMAQI
12th Jul 2025713 PMAQI
12th Jul 2025724 PMAQI
12th Jul 2025705 PMAQI
12th Jul 2025716 PMAQI
12th Jul 2025627 PMAQI
12th Jul 2025648 PMAQI
12th Jul 2025669 PMAQI
12th Jul 20256210 PMAQI
12th Jul 20256511 PMAQI
13th Jul 20256412 AMAQI
13th Jul 2025611 AMAQI
13th Jul 2025612 AMAQI
13th Jul 2025633 AMAQI
13th Jul 2025644 AMAQI

26°C22/32°C

13th Jul 2025645 AMAQI
13th Jul 2025656 AMAQI
13th Jul 2025647 AMAQI
13th Jul 2025788 AMAQI
13th Jul 2025899 AMAQI
13th Jul 20259010 AMAQI
13th Jul 20258611 AMAQI
13th Jul 20257712 PMAQI
13th Jul 2025701 PMAQI
13th Jul 2025642 PMAQI
13th Jul 2025603 PMAQI
13th Jul 2025604 PMAQI
13th Jul 2025515 PMAQI
13th Jul 2025446 PMAQI
13th Jul 2025517 PMAQI
13th Jul 2025568 PMAQI
13th Jul 2025559 PMAQI
13th Jul 20255810 PMAQI
13th Jul 20256111 PMAQI
14th Jul 20256012 AMAQI
14th Jul 2025621 AMAQI
14th Jul 2025622 AMAQI
14th Jul 2025643 AMAQI
14th Jul 2025654 AMAQI

27°C22/34°C

14th Jul 2025655 AMAQI
14th Jul 2025646 AMAQI
14th Jul 2025647 AMAQI
14th Jul 2025688 AMAQI
14th Jul 2025719 AMAQI
14th Jul 20257110 AMAQI
14th Jul 20256711 AMAQI
14th Jul 20256712 PMAQI
14th Jul 2025681 PMAQI
14th Jul 2025662 PMAQI
14th Jul 2025633 PMAQI
14th Jul 2025574 PMAQI
14th Jul 2025605 PMAQI
14th Jul 2025626 PMAQI
14th Jul 2025627 PMAQI
14th Jul 2025628 PMAQI
14th Jul 2025629 PMAQI
14th Jul 20256610 PMAQI
14th Jul 20257011 PMAQI
15th Jul 20256612 AMAQI
15th Jul 2025631 AMAQI
15th Jul 2025622 AMAQI
15th Jul 2025633 AMAQI
15th Jul 2025634 AMAQI

28°C23/36°C

15th Jul 2025645 AMAQI
15th Jul 2025636 AMAQI
15th Jul 2025647 AMAQI
15th Jul 2025548 AMAQI
15th Jul 2025549 AMAQI
15th Jul 20255610 AMAQI
15th Jul 20255511 AMAQI
15th Jul 20255512 PMAQI
15th Jul 2025541 PMAQI
15th Jul 2025502 PMAQI
15th Jul 2025423 PMAQI
15th Jul 2025464 PMAQI
15th Jul 2025535 PMAQI
15th Jul 2025536 PMAQI
15th Jul 2025527 PMAQI
15th Jul 2025568 PMAQI
15th Jul 2025589 PMAQI
15th Jul 20255810 PMAQI
15th Jul 20255811 PMAQI
16th Jul 20256212 AMAQI
16th Jul 2025621 AMAQI
16th Jul 2025622 AMAQI
16th Jul 2025613 AMAQI
16th Jul 2025604 AMAQI

29°C23/36°C

16th Jul 2025605 AMAQI
16th Jul 2025606 AMAQI
16th Jul 2025607 AMAQI
16th Jul 2025608 AMAQI
16th Jul 2025649 AMAQI
16th Jul 20256310 AMAQI
16th Jul 20256711 AMAQI
16th Jul 20256812 PMAQI
16th Jul 2025691 PMAQI
16th Jul 2025722 PMAQI
16th Jul 2025683 PMAQI
16th Jul 2025614 PMAQI
16th Jul 2025585 PMAQI
16th Jul 2025546 PMAQI
16th Jul 2025617 PMAQI
16th Jul 2025608 PMAQI
16th Jul 2025589 PMAQI
16th Jul 20255710 PMAQI
16th Jul 20256011 PMAQI
17th Jul 20256012 AMAQI
17th Jul 2025601 AMAQI
17th Jul 2025602 AMAQI
17th Jul 2025603 AMAQI
17th Jul 2025614 AMAQI

30°C24/37°C

17th Jul 2025615 AMAQI
17th Jul 2025616 AMAQI
17th Jul 2025617 AMAQI
17th Jul 2025668 AMAQI
17th Jul 2025649 AMAQI
17th Jul 20257210 AMAQI
17th Jul 20256711 AMAQI
17th Jul 20256412 PMAQI
17th Jul 2025611 PMAQI
17th Jul 2025582 PMAQI
17th Jul 2025583 PMAQI
17th Jul 2025644 PMAQI
17th Jul 2025645 PMAQI
17th Jul 2025616 PMAQI
17th Jul 2025627 PMAQI
17th Jul 2025608 PMAQI
17th Jul 2025569 PMAQI
17th Jul 20255910 PMAQI
17th Jul 20256011 PMAQI
18th Jul 20255812 AMAQI
18th Jul 2025601 AMAQI
18th Jul 2025602 AMAQI
18th Jul 2025603 AMAQI
18th Jul 2025614 AMAQI

30°C26/36°C

18th Jul 2025615 AMAQI
18th Jul 2025606 AMAQI
18th Jul 2025617 AMAQI
18th Jul 2025708 AMAQI
18th Jul 2025789 AMAQI
18th Jul 20258010 AMAQI
18th Jul 20257811 AMAQI
18th Jul 20257412 PMAQI
18th Jul 2025611 PMAQI
18th Jul 2025382 PMAQI
18th Jul 2025333 PMAQI
18th Jul 2025464 PMAQI
18th Jul 2025595 PMAQI
18th Jul 2025536 PMAQI
18th Jul 2025557 PMAQI
18th Jul 2025588 PMAQI
18th Jul 2025559 PMAQI
18th Jul 20255610 PMAQI
18th Jul 20255811 PMAQI
19th Jul 20256012 AMAQI
19th Jul 2025601 AMAQI
19th Jul 2025602 AMAQI
19th Jul 2025613 AMAQI
19th Jul 2025614 AMAQI

29°C24/37°C

19th Jul 2025615 AMAQI
19th Jul 2025616 AMAQI
19th Jul 2025627 AMAQI
19th Jul 2025678 AMAQI
19th Jul 2025679 AMAQI
19th Jul 20256310 AMAQI
19th Jul 20256811 AMAQI
19th Jul 20257012 PMAQI
19th Jul 2025681 PMAQI
19th Jul 2025742 PMAQI
19th Jul 2025713 PMAQI
19th Jul 2025624 PMAQI
19th Jul 2025625 PMAQI
19th Jul 2025666 PMAQI
19th Jul 2025687 PMAQI
19th Jul 2025628 PMAQI
19th Jul 2025679 PMAQI
19th Jul 20256810 PMAQI
19th Jul 20256711 PMAQI
20th Jul 20256512 AMAQI
20th Jul 2025611 AMAQI
20th Jul 2025612 AMAQI
20th Jul 2025623 AMAQI
20th Jul 2025624 AMAQI

28°C23/34°C

20th Jul 2025625 AMAQI
20th Jul 2025636 AMAQI
20th Jul 2025627 AMAQI
20th Jul 2025718 AMAQI
20th Jul 2025769 AMAQI
20th Jul 20257310 AMAQI
20th Jul 20257511 AMAQI
20th Jul 20257412 PMAQI
20th Jul 2025691 PMAQI
20th Jul 2025682 PMAQI
20th Jul 2025673 PMAQI
20th Jul 2025624 PMAQI
20th Jul 2025625 PMAQI
20th Jul 2025646 PMAQI
20th Jul 2025637 PMAQI
20th Jul 2025638 PMAQI
20th Jul 2025639 PMAQI
20th Jul 20256310 PMAQI
20th Jul 20255611 PMAQI
21st Jul 20255412 AMAQI
21st Jul 2025621 AMAQI
21st Jul 2025622 AMAQI
21st Jul 2025633 AMAQI
21st Jul 2025644 AMAQI

26°C23/30°C

21st Jul 2025635 AMAQI
21st Jul 2025646 AMAQI
21st Jul 2025647 AMAQI
21st Jul 2025308 AMAQI
21st Jul 2025209 AMAQI
21st Jul 20252210 AMAQI
21st Jul 20252111 AMAQI
21st Jul 20252712 PMAQI
21st Jul 2025271 PMAQI
21st Jul 2025342 PMAQI
21st Jul 2025333 PMAQI
21st Jul 2025344 PMAQI
21st Jul 2025275 PMAQI
21st Jul 2025286 PMAQI
21st Jul 2025377 PMAQI
21st Jul 2025528 PMAQI
21st Jul 2025489 PMAQI
21st Jul 20254910 PMAQI
21st Jul 20254811 PMAQI
22nd Jul 20254912 AMAQI
22nd Jul 2025621 AMAQI
22nd Jul 2025622 AMAQI
22nd Jul 2025593 AMAQI
22nd Jul 2025564 AMAQI

26°C24/30°C

22nd Jul 2025565 AMAQI
22nd Jul 2025566 AMAQI
22nd Jul 2025567 AMAQI
22nd Jul 2025288 AMAQI
22nd Jul 2025199 AMAQI
22nd Jul 20252710 AMAQI
22nd Jul 20252811 AMAQI
22nd Jul 20252812 PMAQI
22nd Jul 2025301 PMAQI
22nd Jul 2025212 PMAQI
22nd Jul 2025253 PMAQI
22nd Jul 2025224 PMAQI
22nd Jul 2025185 PMAQI
22nd Jul 2025206 PMAQI
22nd Jul 2025387 PMAQI
22nd Jul 2025548 PMAQI
22nd Jul 2025489 PMAQI
22nd Jul 20254410 PMAQI
22nd Jul 20254511 PMAQI
23rd Jul 20254612 AMAQI
23rd Jul 2025571 AMAQI
23rd Jul 2025572 AMAQI
23rd Jul 2025553 AMAQI
23rd Jul 2025534 AMAQI

25°C24/29°C

23rd Jul 2025535 AMAQI
23rd Jul 2025536 AMAQI
23rd Jul 2025537 AMAQI
23rd Jul 2025328 AMAQI
23rd Jul 2025239 AMAQI
23rd Jul 20253910 AMAQI
23rd Jul 20254211 AMAQI
23rd Jul 20254012 PMAQI
23rd Jul 2025421 PMAQI
23rd Jul 2025472 PMAQI
23rd Jul 2025363 PMAQI
23rd Jul 2025264 PMAQI
23rd Jul 2025275 PMAQI
23rd Jul 2025256 PMAQI
23rd Jul 2025367 PMAQI
23rd Jul 2025478 PMAQI
23rd Jul 2025519 PMAQI
23rd Jul 20254710 PMAQI
23rd Jul 20254611 PMAQI
24th Jul 20253912 AMAQI
24th Jul 2025391 AMAQI
24th Jul 2025502 AMAQI
24th Jul 2025533 AMAQI
24th Jul 2025524 AMAQI

24°C23/25°C

24th Jul 2025525 AMAQI
24th Jul 2025526 AMAQI
24th Jul 2025527 AMAQI
24th Jul 2025478 AMAQI
24th Jul 2025449 AMAQI
24th Jul 20255410 AMAQI
24th Jul 20255911 AMAQI
24th Jul 20256312 PMAQI
24th Jul 2025611 PMAQI
24th Jul 2025612 PMAQI
24th Jul 2025583 PMAQI
24th Jul 2025374 PMAQI
24th Jul 2025415 PMAQI
24th Jul 2025556 PMAQI
24th Jul 2025517 PMAQI
24th Jul 2025478 PMAQI
24th Jul 2025469 PMAQI
24th Jul 20255110 PMAQI
24th Jul 20255011 PMAQI
25th Jul 20255112 AMAQI
25th Jul 2025521 AMAQI
25th Jul 2025512 AMAQI
25th Jul 2025513 AMAQI
25th Jul 2025524 AMAQI

25°C23/30°C

25th Jul 2025525 AMAQI
25th Jul 2025526 AMAQI
25th Jul 2025527 AMAQI
25th Jul 2025478 AMAQI
25th Jul 2025509 AMAQI
25th Jul 20255810 AMAQI
25th Jul 20254611 AMAQI
25th Jul 20253012 PMAQI
25th Jul 2025321 PMAQI
25th Jul 2025462 PMAQI
25th Jul 2025543 PMAQI
25th Jul 2025394 PMAQI
25th Jul 2025345 PMAQI
25th Jul 2025496 PMAQI
25th Jul 2025497 PMAQI
25th Jul 2025488 PMAQI
25th Jul 2025449 PMAQI
25th Jul 20255310 PMAQI
25th Jul 20255411 PMAQI
26th Jul 20255512 AMAQI
26th Jul 2025521 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025523 AMAQI
26th Jul 2025524 AMAQI

28°C22/35°C

26th Jul 2025515 AMAQI
26th Jul 2025516 AMAQI
26th Jul 2025517 AMAQI
26th Jul 2025628 AMAQI
26th Jul 2025659 AMAQI
26th Jul 20256710 AMAQI
26th Jul 20257511 AMAQI
26th Jul 20257212 PMAQI
26th Jul 2025701 PMAQI
26th Jul 2025552 PMAQI
26th Jul 2025563 PMAQI
26th Jul 2025524 PMAQI
26th Jul 2025265 PMAQI
26th Jul 2025276 PMAQI
26th Jul 2025327 PMAQI
26th Jul 2025428 PMAQI
26th Jul 2025539 PMAQI
26th Jul 20255510 PMAQI
26th Jul 20255811 PMAQI
27th Jul 20255712 AMAQI
27th Jul 2025521 AMAQI
27th Jul 2025522 AMAQI
27th Jul 2025533 AMAQI
27th Jul 2025554 AMAQI

29°C23/36°C

27th Jul 2025555 AMAQI
27th Jul 2025556 AMAQI
27th Jul 2025557 AMAQI
27th Jul 2025658 AMAQI
27th Jul 2025849 AMAQI
27th Jul 20258610 AMAQI
27th Jul 20257611 AMAQI
27th Jul 20258412 PMAQI
27th Jul 2025751 PMAQI
27th Jul 2025662 PMAQI
27th Jul 2025643 PMAQI
27th Jul 2025644 PMAQI
27th Jul 2025595 PMAQI
27th Jul 2025546 PMAQI
27th Jul 2025487 PMAQI
27th Jul 2025518 PMAQI
27th Jul 2025549 PMAQI
27th Jul 20255410 PMAQI
27th Jul 20255511 PMAQI
28th Jul 20255612 AMAQI
28th Jul 2025541 AMAQI
28th Jul 2025542 AMAQI
28th Jul 2025563 AMAQI
28th Jul 2025584 AMAQI

28°C23/35°C

28th Jul 2025585 AMAQI
28th Jul 2025586 AMAQI
28th Jul 2025587 AMAQI
28th Jul 2025648 AMAQI
28th Jul 2025629 AMAQI
28th Jul 20255910 AMAQI
28th Jul 20255711 AMAQI
28th Jul 20255412 PMAQI
28th Jul 2025401 PMAQI
28th Jul 2025522 PMAQI
28th Jul 2025483 PMAQI
28th Jul 2025484 PMAQI
28th Jul 2025535 PMAQI
28th Jul 2025486 PMAQI
28th Jul 2025477 PMAQI
28th Jul 2025558 PMAQI
28th Jul 2025559 PMAQI
28th Jul 20255710 PMAQI
28th Jul 20255811 PMAQI
29th Jul 20255612 AMAQI
29th Jul 2025561 AMAQI
29th Jul 2025572 AMAQI
29th Jul 2025563 AMAQI
29th Jul 2025564 AMAQI

28°C23/34°C

29th Jul 2025565 AMAQI
29th Jul 2025566 AMAQI
29th Jul 2025567 AMAQI
29th Jul 2025618 AMAQI
29th Jul 2025659 AMAQI
29th Jul 20256910 AMAQI
29th Jul 20256611 AMAQI
29th Jul 20256612 PMAQI
29th Jul 2025761 PMAQI
29th Jul 2025662 PMAQI
29th Jul 2025533 PMAQI
29th Jul 2025504 PMAQI
29th Jul 2025565 PMAQI
29th Jul 2025566 PMAQI
29th Jul 2025537 PMAQI
29th Jul 2025518 PMAQI
29th Jul 2025499 PMAQI
29th Jul 20255710 PMAQI
29th Jul 20255811 PMAQI
30th Jul 20255712 AMAQI
30th Jul 2025561 AMAQI
30th Jul 2025562 AMAQI
30th Jul 2025573 AMAQI
30th Jul 2025584 AMAQI

29°C24/35°C

30th Jul 2025585 AMAQI
30th Jul 2025586 AMAQI
30th Jul 2025587 AMAQI
30th Jul 2025728 AMAQI
30th Jul 2025769 AMAQI
30th Jul 20257710 AMAQI
30th Jul 20257911 AMAQI
30th Jul 20256712 PMAQI
30th Jul 2025601 PMAQI
30th Jul 2025612 PMAQI
30th Jul 2025603 PMAQI
30th Jul 2025544 PMAQI
30th Jul 2025385 PMAQI
30th Jul 2025536 PMAQI
30th Jul 2025507 PMAQI
30th Jul 2025528 PMAQI
30th Jul 2025509 PMAQI
30th Jul 20255610 PMAQI
30th Jul 20255811 PMAQI
31st Jul 20255812 AMAQI
31st Jul 2025571 AMAQI
31st Jul 2025572 AMAQI
31st Jul 2025573 AMAQI
31st Jul 2025574 AMAQI

28°C23/36°C

31st Jul 2025575 AMAQI
31st Jul 2025576 AMAQI
31st Jul 2025577 AMAQI
31st Jul 2025578 AMAQI
31st Jul 2025579 AMAQI
31st Jul 20257310 AMAQI
31st Jul 20258411 AMAQI
31st Jul 20257712 PMAQI
31st Jul 2025721 PMAQI
31st Jul 2025722 PMAQI
31st Jul 2025683 PMAQI
31st Jul 2025574 PMAQI
31st Jul 2025695 PMAQI
31st Jul 2025566 PMAQI
31st Jul 2025537 PMAQI
31st Jul 2025538 PMAQI
31st Jul 2025549 PMAQI
31st Jul 20255710 PMAQI
31st Jul 20255611 PMAQI
1st Aug 20256112 AMAQI
1st Aug 2025561 AMAQI
1st Aug 2025552 AMAQI
1st Aug 2025563 AMAQI
1st Aug 2025574 AMAQI

29°C23/36°C

1st Aug 2025575 AMAQI
1st Aug 2025576 AMAQI
1st Aug 2025567 AMAQI
1st Aug 2025688 AMAQI
1st Aug 2025659 AMAQI
1st Aug 20256810 AMAQI
1st Aug 20257511 AMAQI
1st Aug 20257612 PMAQI
1st Aug 2025721 PMAQI
1st Aug 2025662 PMAQI
1st Aug 2025703 PMAQI
1st Aug 2025674 PMAQI
1st Aug 2025625 PMAQI
1st Aug 2025606 PMAQI
1st Aug 2025597 PMAQI
1st Aug 2025588 PMAQI
1st Aug 2025629 PMAQI
1st Aug 20256410 PMAQI
1st Aug 20256111 PMAQI
2nd Aug 20256012 AMAQI
2nd Aug 2025561 AMAQI
2nd Aug 2025562 AMAQI
2nd Aug 2025583 AMAQI
2nd Aug 2025604 AMAQI

29°C23/35°C

2nd Aug 2025595 AMAQI
2nd Aug 2025596 AMAQI
2nd Aug 2025597 AMAQI
2nd Aug 2025758 AMAQI
2nd Aug 2025789 AMAQI
2nd Aug 20257810 AMAQI
2nd Aug 20257811 AMAQI
2nd Aug 20258012 PMAQI
2nd Aug 2025801 PMAQI
2nd Aug 2025782 PMAQI
2nd Aug 2025713 PMAQI
2nd Aug 2025744 PMAQI
2nd Aug 2025735 PMAQI
2nd Aug 2025646 PMAQI
2nd Aug 2025637 PMAQI
2nd Aug 2025618 PMAQI
2nd Aug 2025609 PMAQI
2nd Aug 20256810 PMAQI
2nd Aug 20257011 PMAQI
3rd Aug 20256412 AMAQI
3rd Aug 2025581 AMAQI
3rd Aug 2025582 AMAQI
3rd Aug 2025613 AMAQI
3rd Aug 2025624 AMAQI

30°C23/36°C

3rd Aug 2025625 AMAQI
3rd Aug 2025626 AMAQI
3rd Aug 2025627 AMAQI
3rd Aug 2025758 AMAQI
3rd Aug 2025839 AMAQI
3rd Aug 20257710 AMAQI
3rd Aug 20256811 AMAQI
3rd Aug 20257012 PMAQI
3rd Aug 2025681 PMAQI
3rd Aug 2025672 PMAQI
3rd Aug 2025693 PMAQI
3rd Aug 2025714 PMAQI
3rd Aug 2025685 PMAQI
3rd Aug 2025626 PMAQI
3rd Aug 2025607 PMAQI
3rd Aug 2025558 PMAQI
3rd Aug 2025599 PMAQI
3rd Aug 20256410 PMAQI
3rd Aug 20256511 PMAQI
4th Aug 20256412 AMAQI
4th Aug 2025601 AMAQI
4th Aug 2025602 AMAQI
4th Aug 2025623 AMAQI
4th Aug 2025624 AMAQI

30°C25/38°C

4th Aug 2025625 AMAQI
4th Aug 2025636 AMAQI
4th Aug 2025637 AMAQI
4th Aug 2025638 AMAQI
4th Aug 2025699 AMAQI
4th Aug 20257610 AMAQI
4th Aug 20257011 AMAQI
4th Aug 20257712 PMAQI
4th Aug 2025791 PMAQI
4th Aug 2025752 PMAQI
4th Aug 2025813 PMAQI
4th Aug 2025704 PMAQI
4th Aug 2025605 PMAQI
4th Aug 2025606 PMAQI
4th Aug 2025607 PMAQI
4th Aug 2025628 PMAQI
4th Aug 2025649 PMAQI
4th Aug 20256410 PMAQI
4th Aug 20256211 PMAQI
5th Aug 20256312 AMAQI
5th Aug 2025601 AMAQI
5th Aug 2025602 AMAQI
5th Aug 2025623 AMAQI
5th Aug 2025644 AMAQI

30°C26/38°C

5th Aug 2025645 AMAQI
5th Aug 2025636 AMAQI
5th Aug 2025647 AMAQI
5th Aug 2025698 AMAQI
5th Aug 2025689 AMAQI
5th Aug 20256910 AMAQI
5th Aug 20256911 AMAQI
5th Aug 20257512 PMAQI
5th Aug 2025811 PMAQI
5th Aug 2025682 PMAQI
5th Aug 2025673 PMAQI
5th Aug 2025734 PMAQI
5th Aug 2025605 PMAQI
5th Aug 2025566 PMAQI
5th Aug 2025527 PMAQI
5th Aug 2025598 PMAQI
5th Aug 2025629 PMAQI
5th Aug 20256310 PMAQI
5th Aug 20256611 PMAQI
6th Aug 20256312 AMAQI
6th Aug 2025611 AMAQI
6th Aug 2025622 AMAQI
6th Aug 2025623 AMAQI
6th Aug 2025634 AMAQI

29°C25/38°C

6th Aug 2025635 AMAQI
5 AM
6th Aug 2025636 AMAQI
6th Aug 2025637 AMAQI
6th Aug 2025578 AMAQI
6th Aug 2025569 AMAQI
6th Aug 20256610 AMAQI
6th Aug 20256011 AMAQI
6th Aug 20255412 PMAQI
12 PM
6th Aug 2025571 PMAQI
6th Aug 2025582 PMAQI
6th Aug 2025533 PMAQI
6th Aug 2025464 PMAQI
6th Aug 2025465 PMAQI
6th Aug 2025466 PMAQI
7 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 3 PM

63AQI

11 hours / Day
330 hours / Month
Avg. Lowest Time
4 PM - 7 PM

55AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 3 PM (Avg. 63), while the lowest AQI was between 4 PM to 7 PM (Avg. 55).
Night time
Avg. Highest Time
12 AM - 4 AM

59AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
8 PM - 11 PM

58AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 59), while the lowest AQI was between 8 PM to 11 PM (Avg. 58).

2025 Days Vs Air Quality

City Hopital No 4, Huaihua, Hunan, China

2025

12%

26

61%

133

19%

42

7%

16

Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)

Good
26 Days
Moderate
133 Days
Poor
42 Days
Unhealthy
16 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 12%

Health Risk Level:

Extreme

In 2025, 12% of 218 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.

Annual Air Quality Insights

City Hopital No 4, Huaihua, Hunan, China

AQI levels in 2025

AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

1st January 2025
166AQI
2nd January 2025
163AQI
3rd January 2025
176AQI
4th January 2025
188AQI
5th January 2025
180AQI
6th January 2025
163AQI
7th January 2025
156AQI
8th January 2025
125AQI
9th January 2025
113AQI
10th January 2025
134AQI
11th January 2025
130AQI
12th January 2025
132AQI
13th January 2025
149AQI
14th January 2025
148AQI
15th January 2025
134AQI
16th January 2025
137AQI
17th January 2025
146AQI
18th January 2025
163AQI
19th January 2025
154AQI
20th January 2025
160AQI
21st January 2025
166AQI
22nd January 2025
179AQI
23rd January 2025
196AQI
24th January 2025
168AQI
25th January 2025
92AQI
26th January 2025
96AQI
27th January 2025
100AQI
28th January 2025
142AQI
29th January 2025
199AQI
30th January 2025
167AQI
31st January 2025
119AQI
1st February 2025
91AQI
2nd February 2025
79AQI
3rd February 2025
98AQI
4th February 2025
100AQI
5th February 2025
129AQI
6th February 2025
124AQI
7th February 2025
109AQI
8th February 2025
94AQI
9th February 2025
91AQI
10th February 2025
90AQI
11th February 2025
92AQI
12th February 2025
113AQI
13th February 2025
102AQI
14th February 2025
96AQI
15th February 2025
97AQI
16th February 2025
99AQI
17th February 2025
78AQI
18th February 2025
82AQI
19th February 2025
83AQI
20th February 2025
88AQI
21st February 2025
138AQI
22nd February 2025
63AQI
23rd February 2025
121AQI
24th February 2025
129AQI
25th February 2025
92AQI
26th February 2025
98AQI
27th February 2025
71AQI
28th February 2025
82AQI
1st March 2025
73AQI
2nd March 2025
73AQI
3rd March 2025
41AQI
4th March 2025
58AQI
5th March 2025
50AQI
6th March 2025
76AQI
7th March 2025
61AQI
8th March 2025
78AQI
9th March 2025
88AQI
10th March 2025
83AQI
11th March 2025
75AQI
12th March 2025
86AQI
13th March 2025
94AQI
14th March 2025
59AQI
15th March 2025
63AQI
16th March 2025
71AQI
17th March 2025
76AQI
18th March 2025
83AQI
19th March 2025
81AQI
20th March 2025
86AQI
21st March 2025
95AQI
22nd March 2025
114AQI
23rd March 2025
116AQI
24th March 2025
121AQI
25th March 2025
137AQI
26th March 2025
134AQI
27th March 2025
133AQI
28th March 2025
90AQI
29th March 2025
85AQI
30th March 2025
63AQI
31st March 2025
75AQI
1st April 2025
78AQI
2nd April 2025
88AQI
3rd April 2025
104AQI
4th April 2025
130AQI
5th April 2025
137AQI
6th April 2025
131AQI
7th April 2025
143AQI
8th April 2025
144AQI
9th April 2025
137AQI
10th April 2025
124AQI
11th April 2025
116AQI
12th April 2025
91AQI
13th April 2025
139AQI
14th April 2025
133AQI
15th April 2025
134AQI
16th April 2025
132AQI
17th April 2025
126AQI
18th April 2025
115AQI
19th April 2025
70AQI
20th April 2025
85AQI
21st April 2025
74AQI
22nd April 2025
73AQI
23rd April 2025
80AQI
24th April 2025
65AQI
25th April 2025
75AQI
26th April 2025
80AQI
27th April 2025
69AQI
28th April 2025
84AQI
29th April 2025
93AQI
30th April 2025
72AQI
1st May 2025
85AQI
2nd May 2025
86AQI
3rd May 2025
95AQI
4th May 2025
85AQI
5th May 2025
83AQI
6th May 2025
95AQI
7th May 2025
96AQI
8th May 2025
77AQI
9th May 2025
69AQI
10th May 2025
66AQI
11th May 2025
70AQI
12th May 2025
84AQI
13th May 2025
85AQI
14th May 2025
107AQI
15th May 2025
95AQI
16th May 2025
79AQI
17th May 2025
88AQI
18th May 2025
79AQI
19th May 2025
87AQI
20th May 2025
68AQI
21st May 2025
69AQI
22nd May 2025
61AQI
23rd May 2025
71AQI
24th May 2025
86AQI
25th May 2025
92AQI
26th May 2025
76AQI
27th May 2025
73AQI
28th May 2025
49AQI
29th May 2025
65AQI
30th May 2025
60AQI
31st May 2025
54AQI
1st June 2025
47AQI
2nd June 2025
59AQI
3rd June 2025
68AQI
4th June 2025
76AQI
5th June 2025
79AQI
6th June 2025
77AQI
7th June 2025
66AQI
8th June 2025
61AQI
9th June 2025
69AQI
10th June 2025
75AQI
11th June 2025
73AQI
12th June 2025
68AQI
13th June 2025
64AQI
14th June 2025
60AQI
15th June 2025
63AQI
16th June 2025
64AQI
17th June 2025
53AQI
18th June 2025
48AQI
19th June 2025
46AQI
20th June 2025
44AQI
21st June 2025
45AQI
22nd June 2025
36AQI
23rd June 2025
33AQI
24th June 2025
36AQI
25th June 2025
49AQI
26th June 2025
50AQI
27th June 2025
47AQI
28th June 2025
48AQI
29th June 2025
47AQI
30th June 2025
45AQI
1st July 2025
45AQI
2nd July 2025
39AQI
3rd July 2025
45AQI
4th July 2025
47AQI
5th July 2025
54AQI
6th July 2025
64AQI
7th July 2025
61AQI
8th July 2025
65AQI
9th July 2025
71AQI
10th July 2025
59AQI
11th July 2025
63AQI
12th July 2025
68AQI
13th July 2025
63AQI
14th July 2025
64AQI
15th July 2025
57AQI
16th July 2025
61AQI
17th July 2025
61AQI
18th July 2025
60AQI
19th July 2025
64AQI
20th July 2025
65AQI
21st July 2025
45AQI
22nd July 2025
41AQI
23rd July 2025
44AQI
24th July 2025
50AQI
25th July 2025
48AQI
26th July 2025
52AQI
27th July 2025
60AQI
28th July 2025
55AQI
29th July 2025
58AQI
30th July 2025
58AQI
31st July 2025
61AQI
1st August 2025
62AQI
2nd August 2025
66AQI
3rd August 2025
64AQI
4th August 2025
65AQI
5th August 2025
65AQI

150AQI

97AQI

84AQI

104AQI

79AQI

57AQI

56AQI

64AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202589AQI

3
12
16
20
8
2
23
6
15
15
1
29
1
14
16
9
22
5
26
133
42
16

Highest AQI recorded in

January

150AQI

Lowest AQI recorded in

July

56AQI

202482AQI

1
5
15
10
5
13
7
4
2
20
9
4
25
1
8
19
4
18
12
18
13
9
22
1
23
6
4
17
10
3
13
14
9
19
3
73
191
85
17

Highest AQI recorded in

January

127AQI

Lowest AQI recorded in

July

46AQI

202389AQI

5
12
13
1
3
5
13
7
4
13
11
3
6
10
14
1
25
5
6
23
1
4
27
3
26
1
3
25
2
5
20
6
3
17
6
2
10
15
3
1
40
206
86
26
2

Highest AQI recorded in

January

144AQI

Lowest AQI recorded in

July

61AQI

202290AQI

3
12
12
3
1
13
8
4
16
11
3
22
5
1
22
8
29
1
24
1
17
11
1
6
16
9
2
21
7
4
18
9
20
197
90
13

Highest AQI recorded in

December

129AQI

Lowest AQI recorded in

July

65AQI

202181AQI

3
18
10
2
15
9
2
5
18
8
10
20
11
20
5
25
6
25
3
18
3
26
1
7
20
4
3
14
13
10
18
3
55
214
71
15

Highest AQI recorded in

January

132AQI

Lowest AQI recorded in

May

58AQI

202079AQI

3
5
5
2
11
8
15
3
4
26
5
26
10
20
1
12
16
2
5
15
10
1
6
11
11
2
9
12
9
47
154
52
12

Highest AQI recorded in

December

126AQI

Lowest AQI recorded in

September

58AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2022(Avg.)
90AQI
Least Polluted Year Recorded
2020(Avg.)
79AQI

City Hopital No 4's annual 2025 AQI (89) shows an average percentage change of 6.1% (worsened AQI) compared to previous years: 2020 (79), 2021 (81), 2022 (90), 2023 (89), 2024 (82).