Chu Hui District Environmental Protection Bureau, Hengyang, 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
Chu Hui District Environmental Protection Bureau, Hengyang, Hunan, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
2nd Aug 2025
62AQILowest AQI recorded on
1st Aug 2024
15AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 62 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Chu Hui District Environmental Protection Bureau, Hengyang, Hunan, China
AQI
Day
Night
.
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
9AM2nd Aug
74AQI
Avg. Lowest Time
2AM3rd Aug
58AQI
In the last 24 hours,
Chu Hui District Environmental Protection Bureau's AQI reached its highest point of 74 at 9 AM during the Night, while the lowest point, 58, was recorded at 2 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Chu Hui District Environmental Protection Bureau, Hengyang, Hunan, China
JulAug
04th - 05th05th - 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
Day
Night
4th Jul 2025495 AMAQI
4th Jul 2025486 AMAQI
4th Jul 2025487 AMAQI
4th Jul 2025578 AMAQI
4th Jul 2025569 AMAQI
4th Jul 20255810 AMAQI
4th Jul 20255711 AMAQI
4th Jul 20255612 PMAQI
4th Jul 2025541 PMAQI
4th Jul 2025582 PMAQI
4th Jul 2025553 PMAQI
4th Jul 2025544 PMAQI
4th Jul 2025545 PMAQI
4th Jul 2025546 PMAQI
4th Jul 2025547 PMAQI
4th Jul 2025548 PMAQI
4th Jul 2025559 PMAQI
4th Jul 20255510 PMAQI
4th Jul 20255411 PMAQI
5th Jul 20255612 AMAQI
5th Jul 2025501 AMAQI
5th Jul 2025502 AMAQI
5th Jul 2025513 AMAQI
5th Jul 2025524 AMAQI
32°C27/37°C
5th Jul 2025525 AMAQI
5th Jul 2025526 AMAQI
5th Jul 2025527 AMAQI
5th Jul 2025648 AMAQI
5th Jul 2025689 AMAQI
5th Jul 20257310 AMAQI
5th Jul 20257411 AMAQI
5th Jul 20257412 PMAQI
5th Jul 2025721 PMAQI
5th Jul 2025742 PMAQI
5th Jul 2025713 PMAQI
5th Jul 2025704 PMAQI
5th Jul 2025705 PMAQI
5th Jul 2025696 PMAQI
5th Jul 2025677 PMAQI
5th Jul 2025628 PMAQI
5th Jul 2025649 PMAQI
5th Jul 20256410 PMAQI
5th Jul 20256411 PMAQI
6th Jul 20256512 AMAQI
6th Jul 2025521 AMAQI
6th Jul 2025522 AMAQI
6th Jul 2025543 AMAQI
6th Jul 2025574 AMAQI
32°C28/38°C
6th Jul 2025575 AMAQI
6th Jul 2025576 AMAQI
6th Jul 2025577 AMAQI
6th Jul 2025658 AMAQI
6th Jul 2025759 AMAQI
6th Jul 20257710 AMAQI
6th Jul 20258211 AMAQI
6th Jul 20258012 PMAQI
6th Jul 2025801 PMAQI
6th Jul 2025802 PMAQI
6th Jul 2025783 PMAQI
6th Jul 2025764 PMAQI
6th Jul 2025775 PMAQI
6th Jul 2025726 PMAQI
6th Jul 2025707 PMAQI
6th Jul 2025668 PMAQI
6th Jul 2025689 PMAQI
6th Jul 20256910 PMAQI
6th Jul 20256911 PMAQI
7th Jul 20256612 AMAQI
7th Jul 2025571 AMAQI
7th Jul 2025572 AMAQI
7th Jul 2025593 AMAQI
7th Jul 2025624 AMAQI
31°C27/38°C
7th Jul 2025625 AMAQI
7th Jul 2025626 AMAQI
7th Jul 2025627 AMAQI
7th Jul 2025848 AMAQI
7th Jul 2025899 AMAQI
7th Jul 20259010 AMAQI
7th Jul 20259311 AMAQI
7th Jul 20259012 PMAQI
7th Jul 2025911 PMAQI
7th Jul 2025872 PMAQI
7th Jul 2025833 PMAQI
7th Jul 2025794 PMAQI
7th Jul 2025825 PMAQI
7th Jul 2025766 PMAQI
7th Jul 2025687 PMAQI
7th Jul 2025668 PMAQI
7th Jul 2025689 PMAQI
7th Jul 20256710 PMAQI
7th Jul 20257011 PMAQI
8th Jul 20256912 AMAQI
8th Jul 2025621 AMAQI
8th Jul 2025602 AMAQI
8th Jul 2025633 AMAQI
8th Jul 2025664 AMAQI
30°C25/37°C
8th Jul 2025665 AMAQI
8th Jul 2025676 AMAQI
8th Jul 2025677 AMAQI
8th Jul 2025768 AMAQI
8th Jul 2025829 AMAQI
8th Jul 20258610 AMAQI
8th Jul 20258611 AMAQI
8th Jul 20258512 PMAQI
8th Jul 2025781 PMAQI
8th Jul 2025802 PMAQI
8th Jul 2025833 PMAQI
8th Jul 2025804 PMAQI
8th Jul 2025805 PMAQI
8th Jul 2025686 PMAQI
8th Jul 2025647 PMAQI
8th Jul 2025648 PMAQI
8th Jul 2025709 PMAQI
8th Jul 20256710 PMAQI
8th Jul 20256611 PMAQI
9th Jul 20256412 AMAQI
9th Jul 2025641 AMAQI
9th Jul 2025642 AMAQI
9th Jul 2025663 AMAQI
9th Jul 2025694 AMAQI
32°C27/37°C
9th Jul 2025705 AMAQI
9th Jul 2025696 AMAQI
9th Jul 2025707 AMAQI
9th Jul 2025648 AMAQI
9th Jul 2025629 AMAQI
9th Jul 20256310 AMAQI
9th Jul 20256811 AMAQI
9th Jul 20257612 PMAQI
9th Jul 2025771 PMAQI
9th Jul 2025782 PMAQI
9th Jul 2025723 PMAQI
9th Jul 2025744 PMAQI
9th Jul 2025745 PMAQI
9th Jul 2025746 PMAQI
9th Jul 2025727 PMAQI
9th Jul 2025688 PMAQI
9th Jul 2025699 PMAQI
9th Jul 20256910 PMAQI
9th Jul 20257011 PMAQI
10th Jul 20257012 AMAQI
10th Jul 2025661 AMAQI
10th Jul 2025662 AMAQI
10th Jul 2025673 AMAQI
10th Jul 2025684 AMAQI
31°C27/36°C
10th Jul 2025675 AMAQI
10th Jul 2025686 AMAQI
10th Jul 2025677 AMAQI
10th Jul 2025628 AMAQI
10th Jul 2025569 AMAQI
10th Jul 20255710 AMAQI
10th Jul 20255711 AMAQI
10th Jul 20255612 PMAQI
10th Jul 2025551 PMAQI
10th Jul 2025542 PMAQI
10th Jul 2025583 PMAQI
10th Jul 2025564 PMAQI
10th Jul 2025545 PMAQI
10th Jul 2025546 PMAQI
10th Jul 2025567 PMAQI
10th Jul 2025608 PMAQI
10th Jul 2025619 PMAQI
10th Jul 20256210 PMAQI
10th Jul 20256211 PMAQI
11th Jul 20256112 AMAQI
11th Jul 2025651 AMAQI
11th Jul 2025662 AMAQI
11th Jul 2025653 AMAQI
11th Jul 2025644 AMAQI
30°C26/35°C
11th Jul 2025645 AMAQI
11th Jul 2025646 AMAQI
11th Jul 2025647 AMAQI
11th Jul 2025538 AMAQI
11th Jul 2025479 AMAQI
11th Jul 20255210 AMAQI
11th Jul 20255611 AMAQI
11th Jul 20255812 PMAQI
11th Jul 2025581 PMAQI
11th Jul 2025582 PMAQI
11th Jul 2025753 PMAQI
11th Jul 2025564 PMAQI
11th Jul 2025555 PMAQI
11th Jul 2025556 PMAQI
11th Jul 2025607 PMAQI
11th Jul 2025628 PMAQI
11th Jul 2025649 PMAQI
11th Jul 20256310 PMAQI
11th Jul 20256311 PMAQI
12th Jul 20256212 AMAQI
12th Jul 2025641 AMAQI
12th Jul 2025642 AMAQI
12th Jul 2025633 AMAQI
12th Jul 2025624 AMAQI
30°C26/35°C
12th Jul 2025625 AMAQI
12th Jul 2025626 AMAQI
12th Jul 2025627 AMAQI
12th Jul 2025608 AMAQI
12th Jul 2025599 AMAQI
12th Jul 20256110 AMAQI
12th Jul 20256011 AMAQI
12th Jul 20256112 PMAQI
12th Jul 2025591 PMAQI
12th Jul 2025612 PMAQI
12th Jul 2025583 PMAQI
12th Jul 2025604 PMAQI
12th Jul 2025605 PMAQI
12th Jul 2025586 PMAQI
12th Jul 2025587 PMAQI
12th Jul 2025608 PMAQI
12th Jul 2025599 PMAQI
12th Jul 20255810 PMAQI
12th Jul 20256011 PMAQI
13th Jul 20256012 AMAQI
13th Jul 2025631 AMAQI
13th Jul 2025622 AMAQI
13th Jul 2025623 AMAQI
13th Jul 2025624 AMAQI
28°C25/33°C
13th Jul 2025635 AMAQI
13th Jul 2025626 AMAQI
13th Jul 2025627 AMAQI
13th Jul 2025618 AMAQI
13th Jul 2025619 AMAQI
13th Jul 20256510 AMAQI
13th Jul 20256611 AMAQI
13th Jul 20256312 PMAQI
13th Jul 2025651 PMAQI
13th Jul 2025652 PMAQI
13th Jul 2025643 PMAQI
13th Jul 2025604 PMAQI
13th Jul 2025585 PMAQI
13th Jul 2025576 PMAQI
13th Jul 2025577 PMAQI
13th Jul 2025618 PMAQI
13th Jul 2025629 PMAQI
13th Jul 20256210 PMAQI
13th Jul 20256211 PMAQI
14th Jul 20256112 AMAQI
14th Jul 2025611 AMAQI
14th Jul 2025622 AMAQI
14th Jul 2025623 AMAQI
14th Jul 2025624 AMAQI
28°C25/33°C
14th Jul 2025635 AMAQI
14th Jul 2025626 AMAQI
14th Jul 2025637 AMAQI
14th Jul 2025678 AMAQI
14th Jul 2025669 AMAQI
14th Jul 20256810 AMAQI
14th Jul 20256911 AMAQI
14th Jul 20257012 PMAQI
14th Jul 2025691 PMAQI
14th Jul 2025692 PMAQI
14th Jul 2025653 PMAQI
14th Jul 2025634 PMAQI
14th Jul 2025635 PMAQI
14th Jul 2025586 PMAQI
14th Jul 2025617 PMAQI
14th Jul 2025648 PMAQI
14th Jul 2025629 PMAQI
14th Jul 20256010 PMAQI
14th Jul 20256011 PMAQI
15th Jul 20256012 AMAQI
15th Jul 2025611 AMAQI
15th Jul 2025612 AMAQI
15th Jul 2025633 AMAQI
15th Jul 2025644 AMAQI
30°C26/34°C
15th Jul 2025635 AMAQI
15th Jul 2025636 AMAQI
15th Jul 2025637 AMAQI
15th Jul 2025638 AMAQI
15th Jul 2025619 AMAQI
15th Jul 20256110 AMAQI
15th Jul 20255811 AMAQI
15th Jul 20255612 PMAQI
15th Jul 2025561 PMAQI
15th Jul 2025552 PMAQI
15th Jul 2025533 PMAQI
15th Jul 2025514 PMAQI
15th Jul 2025465 PMAQI
15th Jul 2025456 PMAQI
15th Jul 2025527 PMAQI
15th Jul 2025568 PMAQI
15th Jul 2025579 PMAQI
15th Jul 20255810 PMAQI
15th Jul 20255611 PMAQI
16th Jul 20255812 AMAQI
16th Jul 2025601 AMAQI
16th Jul 2025622 AMAQI
16th Jul 2025613 AMAQI
16th Jul 2025614 AMAQI
31°C26/36°C
16th Jul 2025615 AMAQI
16th Jul 2025616 AMAQI
16th Jul 2025607 AMAQI
16th Jul 2025538 AMAQI
16th Jul 2025529 AMAQI
16th Jul 20255310 AMAQI
16th Jul 20255311 AMAQI
16th Jul 20255412 PMAQI
16th Jul 2025601 PMAQI
16th Jul 2025642 PMAQI
16th Jul 2025623 PMAQI
16th Jul 2025624 PMAQI
16th Jul 2025625 PMAQI
16th Jul 2025596 PMAQI
16th Jul 2025627 PMAQI
16th Jul 2025618 PMAQI
16th Jul 2025599 PMAQI
16th Jul 20255810 PMAQI
16th Jul 20255811 PMAQI
17th Jul 20255812 AMAQI
17th Jul 2025581 AMAQI
17th Jul 2025602 AMAQI
17th Jul 2025603 AMAQI
17th Jul 2025604 AMAQI
32°C28/37°C
17th Jul 2025595 AMAQI
17th Jul 2025596 AMAQI
17th Jul 2025607 AMAQI
17th Jul 2025528 AMAQI
17th Jul 2025539 AMAQI
17th Jul 20255510 AMAQI
17th Jul 20255611 AMAQI
17th Jul 20255712 PMAQI
17th Jul 2025581 PMAQI
17th Jul 2025562 PMAQI
17th Jul 2025563 PMAQI
17th Jul 2025544 PMAQI
17th Jul 2025545 PMAQI
17th Jul 2025546 PMAQI
17th Jul 2025577 PMAQI
17th Jul 2025598 PMAQI
17th Jul 2025609 PMAQI
17th Jul 20256110 PMAQI
17th Jul 20256111 PMAQI
18th Jul 20256112 AMAQI
18th Jul 2025601 AMAQI
18th Jul 2025602 AMAQI
18th Jul 2025603 AMAQI
18th Jul 2025594 AMAQI
32°C28/37°C
18th Jul 2025605 AMAQI
18th Jul 2025606 AMAQI
18th Jul 2025607 AMAQI
18th Jul 2025668 AMAQI
18th Jul 2025689 AMAQI
18th Jul 20256410 AMAQI
18th Jul 20255911 AMAQI
18th Jul 20256212 PMAQI
18th Jul 2025701 PMAQI
18th Jul 2025662 PMAQI
18th Jul 2025613 PMAQI
18th Jul 2025634 PMAQI
18th Jul 2025725 PMAQI
18th Jul 2025696 PMAQI
18th Jul 2025677 PMAQI
18th Jul 2025648 PMAQI
18th Jul 2025699 PMAQI
18th Jul 20256510 PMAQI
18th Jul 20256511 PMAQI
19th Jul 20256412 AMAQI
19th Jul 2025611 AMAQI
19th Jul 2025602 AMAQI
19th Jul 2025613 AMAQI
19th Jul 2025624 AMAQI
31°C26/37°C
19th Jul 2025615 AMAQI
19th Jul 2025626 AMAQI
19th Jul 2025627 AMAQI
19th Jul 2025688 AMAQI
19th Jul 2025669 AMAQI
19th Jul 20256610 AMAQI
19th Jul 20256511 AMAQI
19th Jul 20256712 PMAQI
19th Jul 2025681 PMAQI
19th Jul 2025682 PMAQI
19th Jul 2025673 PMAQI
19th Jul 2025644 PMAQI
19th Jul 2025635 PMAQI
19th Jul 2025636 PMAQI
19th Jul 2025647 PMAQI
19th Jul 2025648 PMAQI
19th Jul 2025639 PMAQI
19th Jul 20256210 PMAQI
19th Jul 20256011 PMAQI
20th Jul 20256012 AMAQI
20th Jul 2025621 AMAQI
20th Jul 2025622 AMAQI
20th Jul 2025623 AMAQI
20th Jul 2025634 AMAQI
30°C26/36°C
20th Jul 2025635 AMAQI
20th Jul 2025636 AMAQI
20th Jul 2025637 AMAQI
20th Jul 2025628 AMAQI
20th Jul 2025609 AMAQI
20th Jul 20255810 AMAQI
20th Jul 20256011 AMAQI
20th Jul 20255412 PMAQI
20th Jul 2025541 PMAQI
20th Jul 2025542 PMAQI
20th Jul 2025563 PMAQI
20th Jul 2025514 PMAQI
20th Jul 2025475 PMAQI
20th Jul 2025486 PMAQI
20th Jul 2025527 PMAQI
20th Jul 2025588 PMAQI
20th Jul 2025589 PMAQI
20th Jul 20255810 PMAQI
20th Jul 20255611 PMAQI
21st Jul 20255512 AMAQI
21st Jul 2025611 AMAQI
21st Jul 2025622 AMAQI
21st Jul 2025623 AMAQI
21st Jul 2025624 AMAQI
29°C26/34°C
21st Jul 2025615 AMAQI
21st Jul 2025616 AMAQI
21st Jul 2025617 AMAQI
21st Jul 2025428 AMAQI
21st Jul 2025349 AMAQI
21st Jul 20253510 AMAQI
21st Jul 20253411 AMAQI
21st Jul 20253612 PMAQI
21st Jul 2025381 PMAQI
21st Jul 2025432 PMAQI
21st Jul 2025363 PMAQI
21st Jul 2025324 PMAQI
21st Jul 2025325 PMAQI
21st Jul 2025326 PMAQI
21st Jul 2025457 PMAQI
21st Jul 2025548 PMAQI
21st Jul 2025549 PMAQI
21st Jul 20255310 PMAQI
21st Jul 20255311 PMAQI
22nd Jul 20255212 AMAQI
22nd Jul 2025591 AMAQI
22nd Jul 2025602 AMAQI
22nd Jul 2025593 AMAQI
22nd Jul 2025574 AMAQI
29°C26/33°C
22nd Jul 2025565 AMAQI
22nd Jul 2025576 AMAQI
22nd Jul 2025587 AMAQI
22nd Jul 2025368 AMAQI
22nd Jul 2025289 AMAQI
22nd Jul 20253110 AMAQI
22nd Jul 20252811 AMAQI
22nd Jul 20253112 PMAQI
22nd Jul 2025361 PMAQI
22nd Jul 2025432 PMAQI
22nd Jul 2025343 PMAQI
22nd Jul 2025334 PMAQI
22nd Jul 2025305 PMAQI
22nd Jul 2025326 PMAQI
22nd Jul 2025397 PMAQI
22nd Jul 2025518 PMAQI
22nd Jul 2025519 PMAQI
22nd Jul 20255110 PMAQI
22nd Jul 20254911 PMAQI
23rd Jul 20254912 AMAQI
23rd Jul 2025581 AMAQI
23rd Jul 2025582 AMAQI
23rd Jul 2025563 AMAQI
23rd Jul 2025544 AMAQI
28°C26/32°C
23rd Jul 2025545 AMAQI
23rd Jul 2025556 AMAQI
23rd Jul 2025557 AMAQI
23rd Jul 2025348 AMAQI
23rd Jul 2025279 AMAQI
23rd Jul 20253010 AMAQI
23rd Jul 20253211 AMAQI
23rd Jul 20253312 PMAQI
23rd Jul 2025331 PMAQI
23rd Jul 2025322 PMAQI
23rd Jul 2025323 PMAQI
23rd Jul 2025334 PMAQI
23rd Jul 2025295 PMAQI
23rd Jul 2025306 PMAQI
23rd Jul 2025397 PMAQI
23rd Jul 2025478 PMAQI
23rd Jul 2025499 PMAQI
23rd Jul 20254810 PMAQI
23rd Jul 20255011 PMAQI
24th Jul 20254812 AMAQI
24th Jul 2025481 AMAQI
24th Jul 2025522 AMAQI
24th Jul 2025543 AMAQI
24th Jul 2025524 AMAQI
28°C25/33°C
24th Jul 2025525 AMAQI
24th Jul 2025526 AMAQI
24th Jul 2025527 AMAQI
24th Jul 2025448 AMAQI
24th Jul 2025429 AMAQI
24th Jul 20254610 AMAQI
24th Jul 20255111 AMAQI
24th Jul 20255112 PMAQI
24th Jul 2025531 PMAQI
24th Jul 2025542 PMAQI
24th Jul 2025503 PMAQI
24th Jul 2025504 PMAQI
24th Jul 2025485 PMAQI
24th Jul 2025456 PMAQI
24th Jul 2025517 PMAQI
24th Jul 2025528 PMAQI
24th Jul 2025529 PMAQI
24th Jul 20255610 PMAQI
24th Jul 20255511 PMAQI
25th Jul 20255212 AMAQI
25th Jul 2025521 AMAQI
25th Jul 2025522 AMAQI
25th Jul 2025523 AMAQI
25th Jul 2025524 AMAQI
29°C25/34°C
25th Jul 2025525 AMAQI
25th Jul 2025526 AMAQI
25th Jul 2025537 AMAQI
25th Jul 2025528 AMAQI
25th Jul 2025489 AMAQI
25th Jul 20255310 AMAQI
25th Jul 20255311 AMAQI
25th Jul 20255612 PMAQI
25th Jul 2025541 PMAQI
25th Jul 2025562 PMAQI
25th Jul 2025563 PMAQI
25th Jul 2025564 PMAQI
25th Jul 2025565 PMAQI
25th Jul 2025566 PMAQI
25th Jul 2025547 PMAQI
25th Jul 2025568 PMAQI
25th Jul 2025569 PMAQI
25th Jul 20255610 PMAQI
25th Jul 20255611 PMAQI
26th Jul 20255512 AMAQI
26th Jul 2025521 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025533 AMAQI
26th Jul 2025524 AMAQI
30°C26/36°C
26th Jul 2025525 AMAQI
26th Jul 2025536 AMAQI
26th Jul 2025537 AMAQI
26th Jul 2025608 AMAQI
26th Jul 2025629 AMAQI
26th Jul 20256410 AMAQI
26th Jul 20256411 AMAQI
26th Jul 20256612 PMAQI
26th Jul 2025641 PMAQI
26th Jul 2025642 PMAQI
26th Jul 2025613 PMAQI
26th Jul 2025614 PMAQI
26th Jul 2025615 PMAQI
26th Jul 2025576 PMAQI
26th Jul 2025547 PMAQI
26th Jul 2025568 PMAQI
26th Jul 2025559 PMAQI
26th Jul 20255410 PMAQI
26th Jul 20255411 PMAQI
27th Jul 20255312 AMAQI
27th Jul 2025541 AMAQI
27th Jul 2025532 AMAQI
27th Jul 2025543 AMAQI
27th Jul 2025554 AMAQI
31°C26/37°C
27th Jul 2025555 AMAQI
27th Jul 2025556 AMAQI
27th Jul 2025557 AMAQI
27th Jul 2025548 AMAQI
27th Jul 2025539 AMAQI
27th Jul 20255410 AMAQI
27th Jul 20255211 AMAQI
27th Jul 20255112 PMAQI
27th Jul 2025461 PMAQI
27th Jul 2025502 PMAQI
27th Jul 2025563 PMAQI
27th Jul 2025564 PMAQI
27th Jul 2025495 PMAQI
27th Jul 2025556 PMAQI
27th Jul 2025547 PMAQI
27th Jul 2025548 PMAQI
27th Jul 2025549 PMAQI
27th Jul 20255410 PMAQI
27th Jul 20255211 PMAQI
28th Jul 20255212 AMAQI
28th Jul 2025541 AMAQI
28th Jul 2025542 AMAQI
28th Jul 2025543 AMAQI
28th Jul 2025544 AMAQI
29°C26/33°C
28th Jul 2025545 AMAQI
28th Jul 2025546 AMAQI
28th Jul 2025547 AMAQI
28th Jul 2025518 AMAQI
28th Jul 2025539 AMAQI
28th Jul 20255310 AMAQI
28th Jul 20255411 AMAQI
28th Jul 20255612 PMAQI
28th Jul 2025561 PMAQI
28th Jul 2025592 PMAQI
28th Jul 2025603 PMAQI
28th Jul 2025574 PMAQI
28th Jul 2025555 PMAQI
28th Jul 2025556 PMAQI
28th Jul 2025557 PMAQI
28th Jul 2025558 PMAQI
28th Jul 2025569 PMAQI
28th Jul 20255610 PMAQI
28th Jul 20255511 PMAQI
29th Jul 20255312 AMAQI
29th Jul 2025541 AMAQI
29th Jul 2025542 AMAQI
29th Jul 2025553 AMAQI
29th Jul 2025554 AMAQI
29°C25/33°C
29th Jul 2025555 AMAQI
29th Jul 2025556 AMAQI
29th Jul 2025557 AMAQI
29th Jul 2025518 AMAQI
29th Jul 2025559 AMAQI
29th Jul 20255410 AMAQI
29th Jul 20255411 AMAQI
29th Jul 20255412 PMAQI
29th Jul 2025561 PMAQI
29th Jul 2025582 PMAQI
29th Jul 2025613 PMAQI
29th Jul 2025644 PMAQI
29th Jul 2025605 PMAQI
29th Jul 2025596 PMAQI
29th Jul 2025577 PMAQI
29th Jul 2025568 PMAQI
29th Jul 2025569 PMAQI
29th Jul 20255610 PMAQI
29th Jul 20255611 PMAQI
30th Jul 20255512 AMAQI
30th Jul 2025541 AMAQI
30th Jul 2025542 AMAQI
30th Jul 2025553 AMAQI
30th Jul 2025554 AMAQI
29°C26/33°C
30th Jul 2025555 AMAQI
30th Jul 2025556 AMAQI
30th Jul 2025547 AMAQI
30th Jul 2025608 AMAQI
30th Jul 2025589 AMAQI
30th Jul 20255910 AMAQI
30th Jul 20255911 AMAQI
30th Jul 20256012 PMAQI
30th Jul 2025571 PMAQI
30th Jul 2025562 PMAQI
30th Jul 2025543 PMAQI
30th Jul 2025544 PMAQI
30th Jul 2025545 PMAQI
30th Jul 2025506 PMAQI
30th Jul 2025477 PMAQI
30th Jul 2025528 PMAQI
30th Jul 2025529 PMAQI
30th Jul 20255210 PMAQI
30th Jul 20255111 PMAQI
31st Jul 20255012 AMAQI
31st Jul 2025541 AMAQI
31st Jul 2025552 AMAQI
31st Jul 2025553 AMAQI
31st Jul 2025554 AMAQI
29°C25/35°C
31st Jul 2025555 AMAQI
31st Jul 2025556 AMAQI
31st Jul 2025557 AMAQI
31st Jul 2025558 AMAQI
31st Jul 2025559 AMAQI
31st Jul 20255310 AMAQI
31st Jul 20255311 AMAQI
31st Jul 20255612 PMAQI
31st Jul 2025581 PMAQI
31st Jul 2025622 PMAQI
31st Jul 2025623 PMAQI
31st Jul 2025604 PMAQI
31st Jul 2025545 PMAQI
31st Jul 2025546 PMAQI
31st Jul 2025567 PMAQI
31st Jul 2025568 PMAQI
31st Jul 2025569 PMAQI
31st Jul 20255610 PMAQI
31st Jul 20255811 PMAQI
1st Aug 20256112 AMAQI
1st Aug 2025541 AMAQI
1st Aug 2025552 AMAQI
1st Aug 2025563 AMAQI
1st Aug 2025564 AMAQI
29°C25/35°C
1st Aug 2025565 AMAQI
1st Aug 2025546 AMAQI
1st Aug 2025567 AMAQI
1st Aug 2025638 AMAQI
1st Aug 2025649 AMAQI
1st Aug 20256810 AMAQI
1st Aug 20256611 AMAQI
1st Aug 20256412 PMAQI
1st Aug 2025651 PMAQI
1st Aug 2025622 PMAQI
1st Aug 2025633 PMAQI
1st Aug 2025674 PMAQI
1st Aug 2025625 PMAQI
1st Aug 2025606 PMAQI
1st Aug 2025607 PMAQI
1st Aug 2025668 PMAQI
1st Aug 2025669 PMAQI
1st Aug 20256810 PMAQI
1st Aug 20256611 PMAQI
2nd Aug 20256512 AMAQI
2nd Aug 2025561 AMAQI
2nd Aug 2025572 AMAQI
2nd Aug 2025583 AMAQI
2nd Aug 2025584 AMAQI
30°C26/35°C
2nd Aug 2025595 AMAQI
2nd Aug 2025586 AMAQI
2nd Aug 2025587 AMAQI
2nd Aug 2025708 AMAQI
2nd Aug 2025749 AMAQI
2nd Aug 20257110 AMAQI
2nd Aug 20257211 AMAQI
2nd Aug 20256812 PMAQI
2nd Aug 2025671 PMAQI
2nd Aug 2025732 PMAQI
2nd Aug 2025693 PMAQI
2nd Aug 2025724 PMAQI
2nd Aug 2025675 PMAQI
2nd Aug 2025646 PMAQI
2nd Aug 2025657 PMAQI
2nd Aug 2025668 PMAQI
2nd Aug 2025679 PMAQI
2nd Aug 20256910 PMAQI
2nd Aug 20256811 PMAQI
3rd Aug 20256712 AMAQI
3rd Aug 2025581 AMAQI
3rd Aug 2025582 AMAQI
3rd Aug 2025613 AMAQI
3rd Aug 2025624 AMAQI
--°C/°C
5 AM
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 7 PM
59AQI
15 hours / Day
450 hours / Month
Avg. Lowest Time
5 AM - 7 PM
59AQI
15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 PM (Avg. 59), while the lowest AQI was between 5 AM to 7 PM (Avg. 59).
Night time
Avg. Highest Time
12 AM - 11 PM
59AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
59AQI
9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 59), while the lowest AQI was between 12 AM to 11 PM (Avg. 59).
2025 Days Vs Air Quality
Chu Hui District Environmental Protection Bureau, Hengyang, Hunan, China
2025
8%
18
55%
118
27%
57
8%
18
1%
3
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
18 DaysModerate
118 DaysPoor
57 DaysUnhealthy
18 DaysSevere
3 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 8%
Health Risk Level:
Extreme
In 2025, 8% of 214 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
Chu Hui District Environmental Protection Bureau, Hengyang, 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
174AQI
174AQI
2nd January 2025
166AQI
166AQI
3rd January 2025
182AQI
182AQI
4th January 2025
186AQI
186AQI
5th January 2025
176AQI
176AQI
6th January 2025
165AQI
165AQI
7th January 2025
164AQI
164AQI
8th January 2025
150AQI
150AQI
9th January 2025
130AQI
130AQI
10th January 2025
130AQI
130AQI
11th January 2025
132AQI
132AQI
12th January 2025
139AQI
139AQI
13th January 2025
133AQI
133AQI
14th January 2025
144AQI
144AQI
15th January 2025
145AQI
145AQI
16th January 2025
123AQI
123AQI
17th January 2025
143AQI
143AQI
18th January 2025
149AQI
149AQI
19th January 2025
162AQI
162AQI
20th January 2025
164AQI
164AQI
21st January 2025
162AQI
162AQI
22nd January 2025
166AQI
166AQI
23rd January 2025
201AQI
201AQI
24th January 2025
225AQI
225AQI
25th January 2025
110AQI
110AQI
26th January 2025
111AQI
111AQI
27th January 2025
100AQI
100AQI
28th January 2025
121AQI
121AQI
29th January 2025
194AQI
194AQI
30th January 2025
158AQI
158AQI
31st January 2025
140AQI
140AQI
1st February 2025
110AQI
110AQI
2nd February 2025
94AQI
94AQI
3rd February 2025
116AQI
116AQI
4th February 2025
118AQI
118AQI
5th February 2025
141AQI
141AQI
6th February 2025
131AQI
131AQI
7th February 2025
119AQI
119AQI
8th February 2025
81AQI
81AQI
9th February 2025
90AQI
90AQI
10th February 2025
99AQI
99AQI
11th February 2025
122AQI
122AQI
12th February 2025
128AQI
128AQI
13th February 2025
150AQI
150AQI
14th February 2025
158AQI
158AQI
15th February 2025
155AQI
155AQI
16th February 2025
114AQI
114AQI
17th February 2025
124AQI
124AQI
18th February 2025
100AQI
100AQI
19th February 2025
92AQI
92AQI
20th February 2025
73AQI
73AQI
21st February 2025
138AQI
138AQI
22nd February 2025
71AQI
71AQI
23rd February 2025
113AQI
113AQI
24th February 2025
128AQI
128AQI
25th February 2025
150AQI
150AQI
26th February 2025
152AQI
152AQI
27th February 2025
126AQI
126AQI
28th February 2025
101AQI
101AQI
1st March 2025
85AQI
85AQI
2nd March 2025
76AQI
76AQI
3rd March 2025
59AQI
59AQI
4th March 2025
69AQI
69AQI
5th March 2025
69AQI
69AQI
6th March 2025
98AQI
98AQI
7th March 2025
90AQI
90AQI
8th March 2025
96AQI
96AQI
9th March 2025
102AQI
102AQI
10th March 2025
97AQI
97AQI
11th March 2025
103AQI
103AQI
12th March 2025
95AQI
95AQI
13th March 2025
106AQI
106AQI
14th March 2025
69AQI
69AQI
15th March 2025
76AQI
76AQI
16th March 2025
80AQI
80AQI
17th March 2025
79AQI
79AQI
18th March 2025
82AQI
82AQI
19th March 2025
79AQI
79AQI
20th March 2025
93AQI
93AQI
21st March 2025
107AQI
107AQI
22nd March 2025
105AQI
105AQI
23rd March 2025
138AQI
138AQI
24th March 2025
126AQI
126AQI
25th March 2025
146AQI
146AQI
26th March 2025
136AQI
136AQI
27th March 2025
133AQI
133AQI
28th March 2025
93AQI
93AQI
29th March 2025
88AQI
88AQI
30th March 2025
67AQI
67AQI
31st March 2025
90AQI
90AQI
1st April 2025
93AQI
93AQI
2nd April 2025
106AQI
106AQI
3rd April 2025
115AQI
115AQI
4th April 2025
143AQI
143AQI
5th April 2025
146AQI
146AQI
6th April 2025
143AQI
143AQI
7th April 2025
147AQI
147AQI
8th April 2025
134AQI
134AQI
9th April 2025
144AQI
144AQI
10th April 2025
128AQI
128AQI
11th April 2025
129AQI
129AQI
12th April 2025
300AQI
300AQI
13th April 2025
164AQI
164AQI
14th April 2025
155AQI
155AQI
15th April 2025
139AQI
139AQI
16th April 2025
127AQI
127AQI
17th April 2025
121AQI
121AQI
18th April 2025
110AQI
110AQI
19th April 2025
85AQI
85AQI
20th April 2025
89AQI
89AQI
21st April 2025
80AQI
80AQI
22nd April 2025
81AQI
81AQI
23rd April 2025
81AQI
81AQI
24th April 2025
64AQI
64AQI
25th April 2025
64AQI
64AQI
26th April 2025
69AQI
69AQI
27th April 2025
67AQI
67AQI
28th April 2025
75AQI
75AQI
29th April 2025
95AQI
95AQI
30th April 2025
85AQI
85AQI
1st May 2025
92AQI
92AQI
2nd May 2025
86AQI
86AQI
3rd May 2025
98AQI
98AQI
4th May 2025
95AQI
95AQI
5th May 2025
86AQI
86AQI
6th May 2025
95AQI
95AQI
7th May 2025
107AQI
107AQI
8th May 2025
85AQI
85AQI
9th May 2025
75AQI
75AQI
10th May 2025
83AQI
83AQI
11th May 2025
81AQI
81AQI
12th May 2025
95AQI
95AQI
13th May 2025
91AQI
91AQI
14th May 2025
90AQI
90AQI
15th May 2025
96AQI
96AQI
16th May 2025
73AQI
73AQI
17th May 2025
77AQI
77AQI
18th May 2025
63AQI
63AQI
19th May 2025
67AQI
67AQI
20th May 2025
55AQI
55AQI
21st May 2025
61AQI
61AQI
22nd May 2025
55AQI
55AQI
23rd May 2025
61AQI
61AQI
24th May 2025
82AQI
82AQI
25th May 2025
88AQI
88AQI
26th May 2025
89AQI
89AQI
27th May 2025
96AQI
96AQI
28th May 2025
68AQI
68AQI
29th May 2025
64AQI
64AQI
30th May 2025
64AQI
64AQI
31st May 2025
57AQI
57AQI
1st June 2025
59AQI
59AQI
2nd June 2025
56AQI
56AQI
3rd June 2025
68AQI
68AQI
4th June 2025
77AQI
77AQI
5th June 2025
86AQI
86AQI
6th June 2025
82AQI
82AQI
7th June 2025
71AQI
71AQI
8th June 2025
69AQI
69AQI
9th June 2025
69AQI
69AQI
10th June 2025
77AQI
77AQI
11th June 2025
71AQI
71AQI
12th June 2025
62AQI
62AQI
13th June 2025
66AQI
66AQI
14th June 2025
59AQI
59AQI
15th June 2025
56AQI
56AQI
16th June 2025
51AQI
51AQI
17th June 2025
45AQI
45AQI
18th June 2025
42AQI
42AQI
19th June 2025
42AQI
42AQI
20th June 2025
41AQI
41AQI
21st June 2025
40AQI
40AQI
22nd June 2025
36AQI
36AQI
23rd June 2025
43AQI
43AQI
24th June 2025
46AQI
46AQI
25th June 2025
54AQI
54AQI
26th June 2025
54AQI
54AQI
27th June 2025
48AQI
48AQI
28th June 2025
48AQI
48AQI
29th June 2025
47AQI
47AQI
30th June 2025
49AQI
49AQI
1st July 2025
44AQI
44AQI
2nd July 2025
37AQI
37AQI
3rd July 2025
48AQI
48AQI
4th July 2025
53AQI
53AQI
5th July 2025
62AQI
62AQI
6th July 2025
67AQI
67AQI
7th July 2025
72AQI
72AQI
8th July 2025
71AQI
71AQI
9th July 2025
69AQI
69AQI
10th July 2025
61AQI
61AQI
11th July 2025
61AQI
61AQI
12th July 2025
61AQI
61AQI
13th July 2025
62AQI
62AQI
14th July 2025
63AQI
63AQI
15th July 2025
57AQI
57AQI
16th July 2025
59AQI
59AQI
17th July 2025
58AQI
58AQI
18th July 2025
64AQI
64AQI
19th July 2025
63AQI
63AQI
20th July 2025
58AQI
58AQI
21st July 2025
49AQI
49AQI
22nd July 2025
46AQI
46AQI
23rd July 2025
44AQI
44AQI
24th July 2025
51AQI
51AQI
25th July 2025
54AQI
54AQI
26th July 2025
57AQI
57AQI
27th July 2025
53AQI
53AQI
28th July 2025
55AQI
55AQI
29th July 2025
56AQI
56AQI
30th July 2025
54AQI
54AQI
31st July 2025
56AQI
56AQI
1st August 2025
61AQI
61AQI
2nd August 2025
62AQI
62AQI
153AQI
118AQI
95AQI
116AQI
80AQI
57AQI
57AQI
62AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202596AQI
1
15
13
2
8
17
3
21
10
13
14
2
1
30
1
12
18
6
25
2
18
118
57
18
3
Highest AQI recorded in
January153AQI
Lowest AQI recorded in
July57AQI
202487AQI
4
9
17
1
1
13
9
4
2
17
12
2
2
22
6
5
16
9
1
22
8
31
30
1
21
3
6
12
18
1
2
8
17
3
15
16
114
104
101
44
3
Highest AQI recorded in
December148AQI
Lowest AQI recorded in
July20AQI
202394AQI
2
13
15
1
2
3
12
11
2
8
16
5
5
18
7
22
8
1
12
11
7
30
1
29
2
2
28
4
11
16
5
14
7
6
17
5
3
86
117
110
44
4
Highest AQI recorded in
January153AQI
Lowest AQI recorded in
July32AQI
202280AQI
1
12
8
10
1
11
8
1
10
5
13
3
10
7
15
7
2
7
28
2
21
1
4
16
8
9
11
11
23
7
3
18
10
113
84
75
31
Highest AQI recorded in
December137AQI
Lowest AQI recorded in
July30AQI
202176AQI
1
10
18
2
2
12
13
1
10
14
6
1
22
8
19
12
11
19
31
18
3
20
7
3
11
9
11
11
13
4
2
4
14
13
155
102
61
35
2
Highest AQI recorded in
January152AQI
Lowest AQI recorded in
August38AQI
202059AQI
5
7
1
2
8
11
9
9
30
29
2
21
10
25
5
15
15
1
18
2
10
2
4
11
11
3
156
62
34
11
3
Highest AQI recorded in
December137AQI
Lowest AQI recorded in
June29AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
96AQILeast Polluted Year Recorded
2020(Avg.)
59AQIChu Hui District Environmental Protection Bureau's annual 2025 AQI (96) shows an average percentage change of 24.06% (worsened AQI) compared to previous years: 2020 (59), 2021 (76), 2022 (80), 2023 (94), 2024 (87).
