City Monitoring Station, 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
City Monitoring Station, Hengyang, Hunan, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
19th Aug 2023
121AQILowest AQI recorded on
1st Aug 2024
35AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 63 of Moderate air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
City Monitoring Station, Hengyang, Hunan, China
AQI
Day
Night
.
5 AM3rd Aug 2025
7 PM
4 AM4th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
5AM3rd Aug
62AQI
Avg. Lowest Time
10AM3rd Aug
47AQI
In the last 24 hours,
City Monitoring Station's AQI reached its highest point of 62 at 5 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
City Monitoring Station, Hengyang, 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
Day
Night
5th Jul 2025525 AMAQI
5th Jul 2025526 AMAQI
5th Jul 2025527 AMAQI
5th Jul 2025668 AMAQI
5th Jul 2025749 AMAQI
5th Jul 20258010 AMAQI
5th Jul 20258411 AMAQI
5th Jul 20257612 PMAQI
5th Jul 2025721 PMAQI
5th Jul 2025762 PMAQI
5th Jul 2025723 PMAQI
5th Jul 2025734 PMAQI
5th Jul 2025725 PMAQI
5th Jul 2025606 PMAQI
5th Jul 2025637 PMAQI
5th Jul 2025648 PMAQI
5th Jul 2025649 PMAQI
5th Jul 20256410 PMAQI
5th Jul 20256611 PMAQI
6th Jul 20256612 AMAQI
6th Jul 2025521 AMAQI
6th Jul 2025532 AMAQI
6th Jul 2025553 AMAQI
6th Jul 2025574 AMAQI
32°C28/38°C
6th Jul 2025575 AMAQI
6th Jul 2025576 AMAQI
6th Jul 2025577 AMAQI
6th Jul 2025678 AMAQI
6th Jul 2025849 AMAQI
6th Jul 20258410 AMAQI
6th Jul 20258611 AMAQI
6th Jul 20258312 PMAQI
6th Jul 2025821 PMAQI
6th Jul 2025842 PMAQI
6th Jul 2025803 PMAQI
6th Jul 2025804 PMAQI
6th Jul 2025765 PMAQI
6th Jul 2025706 PMAQI
6th Jul 2025647 PMAQI
6th Jul 2025668 PMAQI
6th Jul 2025689 PMAQI
6th Jul 20256910 PMAQI
6th Jul 20257011 PMAQI
7th Jul 20256812 AMAQI
7th Jul 2025571 AMAQI
7th Jul 2025572 AMAQI
7th Jul 2025583 AMAQI
7th Jul 2025624 AMAQI
31°C27/38°C
7th Jul 2025625 AMAQI
7th Jul 2025626 AMAQI
7th Jul 2025627 AMAQI
7th Jul 2025878 AMAQI
7th Jul 20251049 AMAQI
7th Jul 20259810 AMAQI
7th Jul 202510011 AMAQI
7th Jul 20259212 PMAQI
7th Jul 2025901 PMAQI
7th Jul 2025862 PMAQI
7th Jul 2025823 PMAQI
7th Jul 2025804 PMAQI
7th Jul 2025825 PMAQI
7th Jul 2025766 PMAQI
7th Jul 2025567 PMAQI
7th Jul 2025638 PMAQI
7th Jul 2025729 PMAQI
7th Jul 20257010 PMAQI
7th Jul 20257011 PMAQI
8th Jul 20256912 AMAQI
8th Jul 2025641 AMAQI
8th Jul 2025602 AMAQI
8th Jul 2025633 AMAQI
8th Jul 2025674 AMAQI
30°C25/37°C
8th Jul 2025675 AMAQI
8th Jul 2025686 AMAQI
8th Jul 2025677 AMAQI
8th Jul 2025708 AMAQI
8th Jul 2025799 AMAQI
8th Jul 20258910 AMAQI
8th Jul 20258811 AMAQI
8th Jul 20258612 PMAQI
8th Jul 2025791 PMAQI
8th Jul 2025692 PMAQI
8th Jul 2025723 PMAQI
8th Jul 2025704 PMAQI
8th Jul 2025695 PMAQI
8th Jul 2025656 PMAQI
8th Jul 2025657 PMAQI
8th Jul 2025668 PMAQI
8th Jul 2025749 PMAQI
8th Jul 20256810 PMAQI
8th Jul 20256411 PMAQI
9th Jul 20256512 AMAQI
9th Jul 2025641 AMAQI
9th Jul 2025642 AMAQI
9th Jul 2025663 AMAQI
9th Jul 2025684 AMAQI
32°C27/37°C
9th Jul 2025695 AMAQI
9th Jul 2025696 AMAQI
9th Jul 2025687 AMAQI
9th Jul 2025668 AMAQI
9th Jul 2025699 AMAQI
9th Jul 20256410 AMAQI
9th Jul 20256811 AMAQI
9th Jul 20257812 PMAQI
9th Jul 2025881 PMAQI
9th Jul 2025872 PMAQI
9th Jul 2025723 PMAQI
9th Jul 2025764 PMAQI
9th Jul 2025745 PMAQI
9th Jul 2025756 PMAQI
9th Jul 2025787 PMAQI
9th Jul 2025668 PMAQI
9th Jul 2025709 PMAQI
9th Jul 20257410 PMAQI
9th Jul 20257211 PMAQI
10th Jul 20257212 AMAQI
10th Jul 2025661 AMAQI
10th Jul 2025662 AMAQI
10th Jul 2025673 AMAQI
10th Jul 2025684 AMAQI
31°C27/36°C
10th Jul 2025685 AMAQI
10th Jul 2025686 AMAQI
10th Jul 2025687 AMAQI
10th Jul 2025628 AMAQI
10th Jul 2025549 AMAQI
10th Jul 20255710 AMAQI
10th Jul 20255711 AMAQI
10th Jul 20255412 PMAQI
10th Jul 2025541 PMAQI
10th Jul 2025532 PMAQI
10th Jul 2025593 PMAQI
10th Jul 2025534 PMAQI
10th Jul 2025505 PMAQI
10th Jul 2025526 PMAQI
10th Jul 2025547 PMAQI
10th Jul 2025598 PMAQI
10th Jul 2025629 PMAQI
10th Jul 20256510 PMAQI
10th Jul 20256311 PMAQI
11th Jul 20256212 AMAQI
11th Jul 2025661 AMAQI
11th Jul 2025662 AMAQI
11th Jul 2025653 AMAQI
11th Jul 2025654 AMAQI
30°C26/35°C
11th Jul 2025645 AMAQI
11th Jul 2025656 AMAQI
11th Jul 2025657 AMAQI
11th Jul 2025408 AMAQI
11th Jul 2025339 AMAQI
11th Jul 20254410 AMAQI
11th Jul 20256211 AMAQI
11th Jul 20256212 PMAQI
11th Jul 2025601 PMAQI
11th Jul 2025602 PMAQI
11th Jul 2025773 PMAQI
11th Jul 2025524 PMAQI
11th Jul 2025495 PMAQI
11th Jul 2025536 PMAQI
11th Jul 2025587 PMAQI
11th Jul 2025668 PMAQI
11th Jul 2025729 PMAQI
11th Jul 20257010 PMAQI
11th Jul 20256511 PMAQI
12th Jul 20256412 AMAQI
12th Jul 2025641 AMAQI
12th Jul 2025642 AMAQI
12th Jul 2025643 AMAQI
12th Jul 2025624 AMAQI
30°C26/35°C
12th Jul 2025625 AMAQI
12th Jul 2025616 AMAQI
12th Jul 2025627 AMAQI
12th Jul 2025568 AMAQI
12th Jul 2025549 AMAQI
12th Jul 20256010 AMAQI
12th Jul 20255811 AMAQI
12th Jul 20255912 PMAQI
12th Jul 2025581 PMAQI
12th Jul 2025622 PMAQI
12th Jul 2025593 PMAQI
12th Jul 2025624 PMAQI
12th Jul 2025605 PMAQI
12th Jul 2025606 PMAQI
12th Jul 2025607 PMAQI
12th Jul 2025588 PMAQI
12th Jul 2025589 PMAQI
12th Jul 20256310 PMAQI
12th Jul 20256011 PMAQI
13th Jul 20256112 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 2025649 AMAQI
13th Jul 20256910 AMAQI
13th Jul 20257111 AMAQI
13th Jul 20256812 PMAQI
13th Jul 2025821 PMAQI
13th Jul 2025632 PMAQI
13th Jul 2025633 PMAQI
13th Jul 2025684 PMAQI
13th Jul 2025635 PMAQI
13th Jul 2025646 PMAQI
13th Jul 2025567 PMAQI
13th Jul 2025608 PMAQI
13th Jul 2025649 PMAQI
13th Jul 20255910 PMAQI
13th Jul 20256111 PMAQI
14th Jul 20256012 AMAQI
14th Jul 2025611 AMAQI
14th Jul 2025622 AMAQI
14th Jul 2025633 AMAQI
14th Jul 2025634 AMAQI
28°C25/33°C
14th Jul 2025635 AMAQI
14th Jul 2025636 AMAQI
14th Jul 2025637 AMAQI
14th Jul 2025718 AMAQI
14th Jul 2025749 AMAQI
14th Jul 20257510 AMAQI
14th Jul 20257811 AMAQI
14th Jul 20258012 PMAQI
14th Jul 2025781 PMAQI
14th Jul 2025762 PMAQI
14th Jul 2025713 PMAQI
14th Jul 2025624 PMAQI
14th Jul 2025605 PMAQI
14th Jul 2025556 PMAQI
14th Jul 2025667 PMAQI
14th Jul 2025678 PMAQI
14th Jul 2025649 PMAQI
14th Jul 20256310 PMAQI
14th Jul 20256211 PMAQI
15th Jul 20256112 AMAQI
15th Jul 2025611 AMAQI
15th Jul 2025622 AMAQI
15th Jul 2025633 AMAQI
15th Jul 2025644 AMAQI
30°C26/34°C
15th Jul 2025645 AMAQI
15th Jul 2025656 AMAQI
15th Jul 2025647 AMAQI
15th Jul 2025588 AMAQI
15th Jul 2025549 AMAQI
15th Jul 20256610 AMAQI
15th Jul 20255611 AMAQI
15th Jul 20254812 PMAQI
15th Jul 2025491 PMAQI
15th Jul 2025532 PMAQI
15th Jul 2025503 PMAQI
15th Jul 2025444 PMAQI
15th Jul 2025305 PMAQI
15th Jul 2025326 PMAQI
15th Jul 2025487 PMAQI
15th Jul 2025548 PMAQI
15th Jul 2025579 PMAQI
15th Jul 20255810 PMAQI
15th Jul 20255811 PMAQI
16th Jul 20256012 AMAQI
16th Jul 2025611 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 2025568 AMAQI
16th Jul 2025589 AMAQI
16th Jul 20256210 AMAQI
16th Jul 20255811 AMAQI
16th Jul 20255812 PMAQI
16th Jul 2025561 PMAQI
16th Jul 2025582 PMAQI
16th Jul 2025523 PMAQI
16th Jul 2025504 PMAQI
16th Jul 2025485 PMAQI
16th Jul 2025506 PMAQI
16th Jul 2025567 PMAQI
16th Jul 2025548 PMAQI
16th Jul 2025569 PMAQI
16th Jul 20256010 PMAQI
16th Jul 20256111 PMAQI
17th Jul 20256012 AMAQI
17th Jul 2025601 AMAQI
17th Jul 2025602 AMAQI
17th Jul 2025603 AMAQI
17th Jul 2025604 AMAQI
32°C28/37°C
17th Jul 2025595 AMAQI
17th Jul 2025606 AMAQI
17th Jul 2025607 AMAQI
17th Jul 2025528 AMAQI
17th Jul 2025559 AMAQI
17th Jul 20256010 AMAQI
17th Jul 20256611 AMAQI
17th Jul 20256512 PMAQI
17th Jul 2025651 PMAQI
17th Jul 2025602 PMAQI
17th Jul 2025573 PMAQI
17th Jul 2025514 PMAQI
17th Jul 2025545 PMAQI
17th Jul 2025516 PMAQI
17th Jul 2025567 PMAQI
17th Jul 2025578 PMAQI
17th Jul 2025569 PMAQI
17th Jul 20256010 PMAQI
17th Jul 20255911 PMAQI
18th Jul 20256112 AMAQI
18th Jul 2025601 AMAQI
18th Jul 2025602 AMAQI
18th Jul 2025603 AMAQI
18th Jul 2025604 AMAQI
32°C28/37°C
18th Jul 2025615 AMAQI
18th Jul 2025606 AMAQI
18th Jul 2025607 AMAQI
18th Jul 2025678 AMAQI
18th Jul 2025759 AMAQI
18th Jul 20257010 AMAQI
18th Jul 20255511 AMAQI
18th Jul 20256712 PMAQI
18th Jul 2025801 PMAQI
18th Jul 2025702 PMAQI
18th Jul 2025553 PMAQI
18th Jul 2025554 PMAQI
18th Jul 2025775 PMAQI
18th Jul 2025766 PMAQI
18th Jul 2025747 PMAQI
18th Jul 2025688 PMAQI
18th Jul 2025709 PMAQI
18th Jul 20257110 PMAQI
18th Jul 20256611 PMAQI
19th Jul 20256212 AMAQI
19th Jul 2025611 AMAQI
19th Jul 2025612 AMAQI
19th Jul 2025613 AMAQI
19th Jul 2025624 AMAQI
31°C26/37°C
19th Jul 2025625 AMAQI
19th Jul 2025626 AMAQI
19th Jul 2025627 AMAQI
19th Jul 2025638 AMAQI
19th Jul 2025669 AMAQI
19th Jul 20256710 AMAQI
19th Jul 20256811 AMAQI
19th Jul 20256812 PMAQI
19th Jul 2025671 PMAQI
19th Jul 2025682 PMAQI
19th Jul 2025753 PMAQI
19th Jul 2025644 PMAQI
19th Jul 2025625 PMAQI
19th Jul 2025596 PMAQI
19th Jul 2025647 PMAQI
19th Jul 2025648 PMAQI
19th Jul 2025679 PMAQI
19th Jul 20256010 PMAQI
19th Jul 20256211 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 2025618 AMAQI
20th Jul 2025589 AMAQI
20th Jul 20255610 AMAQI
20th Jul 20255811 AMAQI
20th Jul 20255412 PMAQI
20th Jul 2025521 PMAQI
20th Jul 2025552 PMAQI
20th Jul 2025513 PMAQI
20th Jul 2025334 PMAQI
20th Jul 2025355 PMAQI
20th Jul 2025346 PMAQI
20th Jul 2025497 PMAQI
20th Jul 2025588 PMAQI
20th Jul 2025619 PMAQI
20th Jul 20255810 PMAQI
20th Jul 20255311 PMAQI
21st Jul 20255312 AMAQI
21st Jul 2025621 AMAQI
21st Jul 2025622 AMAQI
21st Jul 2025623 AMAQI
21st Jul 2025614 AMAQI
29°C26/34°C
21st Jul 2025605 AMAQI
21st Jul 2025616 AMAQI
21st Jul 2025617 AMAQI
21st Jul 2025338 AMAQI
21st Jul 2025369 AMAQI
21st Jul 20254210 AMAQI
21st Jul 20254211 AMAQI
21st Jul 20254612 PMAQI
21st Jul 2025431 PMAQI
21st Jul 2025542 PMAQI
21st Jul 2025403 PMAQI
21st Jul 2025224 PMAQI
21st Jul 2025225 PMAQI
21st Jul 2025246 PMAQI
21st Jul 2025507 PMAQI
21st Jul 2025558 PMAQI
21st Jul 2025569 PMAQI
21st Jul 20255710 PMAQI
21st Jul 20255411 PMAQI
22nd Jul 20255212 AMAQI
22nd Jul 2025591 AMAQI
22nd Jul 2025602 AMAQI
22nd Jul 2025593 AMAQI
22nd Jul 2025584 AMAQI
29°C26/33°C
22nd Jul 2025575 AMAQI
22nd Jul 2025586 AMAQI
22nd Jul 2025587 AMAQI
22nd Jul 2025308 AMAQI
22nd Jul 2025229 AMAQI
22nd Jul 20253010 AMAQI
22nd Jul 20252511 AMAQI
22nd Jul 20253212 PMAQI
22nd Jul 2025451 PMAQI
22nd Jul 2025602 PMAQI
22nd Jul 2025503 PMAQI
22nd Jul 2025334 PMAQI
22nd Jul 2025235 PMAQI
22nd Jul 2025286 PMAQI
22nd Jul 2025367 PMAQI
22nd Jul 2025508 PMAQI
22nd Jul 2025529 PMAQI
22nd Jul 20255110 PMAQI
22nd Jul 20254811 PMAQI
23rd Jul 20254612 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 2025547 AMAQI
23rd Jul 2025288 AMAQI
23rd Jul 2025189 AMAQI
23rd Jul 20252410 AMAQI
23rd Jul 20253611 AMAQI
23rd Jul 20253312 PMAQI
23rd Jul 2025291 PMAQI
23rd Jul 2025262 PMAQI
23rd Jul 2025323 PMAQI
23rd Jul 2025324 PMAQI
23rd Jul 2025225 PMAQI
23rd Jul 2025226 PMAQI
23rd Jul 2025327 PMAQI
23rd Jul 2025468 PMAQI
23rd Jul 2025529 PMAQI
23rd Jul 20255210 PMAQI
23rd Jul 20254911 PMAQI
24th Jul 20254812 AMAQI
24th Jul 2025481 AMAQI
24th Jul 2025532 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 2025428 AMAQI
24th Jul 2025399 AMAQI
24th Jul 20255110 AMAQI
24th Jul 20256111 AMAQI
24th Jul 20255812 PMAQI
24th Jul 2025601 PMAQI
24th Jul 2025622 PMAQI
24th Jul 2025553 PMAQI
24th Jul 2025564 PMAQI
24th Jul 2025555 PMAQI
24th Jul 2025516 PMAQI
24th Jul 2025507 PMAQI
24th Jul 2025548 PMAQI
24th Jul 2025589 PMAQI
24th Jul 20256210 PMAQI
24th Jul 20256011 PMAQI
25th Jul 20255412 AMAQI
25th Jul 2025521 AMAQI
25th Jul 2025522 AMAQI
25th Jul 2025533 AMAQI
25th Jul 2025524 AMAQI
29°C25/34°C
25th Jul 2025525 AMAQI
25th Jul 2025536 AMAQI
25th Jul 2025537 AMAQI
25th Jul 2025538 AMAQI
25th Jul 2025369 AMAQI
25th Jul 20255310 AMAQI
25th Jul 20255411 AMAQI
25th Jul 20255612 PMAQI
25th Jul 2025561 PMAQI
25th Jul 2025572 PMAQI
25th Jul 2025563 PMAQI
25th Jul 2025524 PMAQI
25th Jul 2025525 PMAQI
25th Jul 2025516 PMAQI
25th Jul 2025547 PMAQI
25th Jul 2025558 PMAQI
25th Jul 2025569 PMAQI
25th Jul 20255710 PMAQI
25th Jul 20255811 PMAQI
26th Jul 20255412 AMAQI
26th Jul 2025531 AMAQI
26th Jul 2025532 AMAQI
26th Jul 2025533 AMAQI
26th Jul 2025534 AMAQI
30°C26/36°C
26th Jul 2025535 AMAQI
26th Jul 2025536 AMAQI
26th Jul 2025537 AMAQI
26th Jul 2025658 AMAQI
26th Jul 2025629 AMAQI
26th Jul 20256710 AMAQI
26th Jul 20256711 AMAQI
26th Jul 20256912 PMAQI
26th Jul 2025661 PMAQI
26th Jul 2025712 PMAQI
26th Jul 2025573 PMAQI
26th Jul 2025664 PMAQI
26th Jul 2025555 PMAQI
26th Jul 2025516 PMAQI
26th Jul 2025467 PMAQI
26th Jul 2025528 PMAQI
26th Jul 2025559 PMAQI
26th Jul 20255410 PMAQI
26th Jul 20255211 PMAQI
27th Jul 20255212 AMAQI
27th Jul 2025541 AMAQI
27th Jul 2025532 AMAQI
27th Jul 2025543 AMAQI
27th Jul 2025554 AMAQI
31°C26/37°C
27th Jul 2025565 AMAQI
27th Jul 2025566 AMAQI
27th Jul 2025567 AMAQI
27th Jul 2025568 AMAQI
27th Jul 2025589 AMAQI
27th Jul 20256110 AMAQI
27th Jul 20255511 AMAQI
27th Jul 20255212 PMAQI
27th Jul 2025471 PMAQI
27th Jul 2025422 PMAQI
27th Jul 2025623 PMAQI
27th Jul 2025604 PMAQI
27th Jul 2025485 PMAQI
27th Jul 2025546 PMAQI
27th Jul 2025517 PMAQI
27th Jul 2025498 PMAQI
27th Jul 2025549 PMAQI
27th Jul 20255510 PMAQI
27th Jul 20254911 PMAQI
28th Jul 20255212 AMAQI
28th Jul 2025541 AMAQI
28th Jul 2025542 AMAQI
28th Jul 2025543 AMAQI
28th Jul 2025554 AMAQI
29°C26/33°C
28th Jul 2025555 AMAQI
28th Jul 2025556 AMAQI
28th Jul 2025547 AMAQI
28th Jul 2025518 AMAQI
28th Jul 2025509 AMAQI
28th Jul 20255510 AMAQI
28th Jul 20255911 AMAQI
28th Jul 20255912 PMAQI
28th Jul 2025621 PMAQI
28th Jul 2025662 PMAQI
28th Jul 2025673 PMAQI
28th Jul 2025614 PMAQI
28th Jul 2025545 PMAQI
28th Jul 2025486 PMAQI
28th Jul 2025527 PMAQI
28th Jul 2025528 PMAQI
28th Jul 2025539 PMAQI
28th Jul 20255610 PMAQI
28th Jul 20255411 PMAQI
29th Jul 20255212 AMAQI
29th Jul 2025551 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 2025548 AMAQI
29th Jul 2025589 AMAQI
29th Jul 20255910 AMAQI
29th Jul 20255311 AMAQI
29th Jul 20255212 PMAQI
29th Jul 2025621 PMAQI
29th Jul 2025622 PMAQI
29th Jul 2025633 PMAQI
29th Jul 2025684 PMAQI
29th Jul 2025595 PMAQI
29th Jul 2025556 PMAQI
29th Jul 2025577 PMAQI
29th Jul 2025568 PMAQI
29th Jul 2025579 PMAQI
29th Jul 20255610 PMAQI
29th Jul 20255411 PMAQI
30th Jul 20255212 AMAQI
30th Jul 2025531 AMAQI
30th Jul 2025542 AMAQI
30th Jul 2025543 AMAQI
30th Jul 2025554 AMAQI
29°C26/33°C
30th Jul 2025555 AMAQI
30th Jul 2025556 AMAQI
30th Jul 2025557 AMAQI
30th Jul 2025708 AMAQI
30th Jul 2025729 AMAQI
30th Jul 20257210 AMAQI
30th Jul 20256711 AMAQI
30th Jul 20256712 PMAQI
30th Jul 2025571 PMAQI
30th Jul 2025522 PMAQI
30th Jul 2025513 PMAQI
30th Jul 2025534 PMAQI
30th Jul 2025485 PMAQI
30th Jul 2025316 PMAQI
30th Jul 2025367 PMAQI
30th Jul 2025448 PMAQI
30th Jul 2025529 PMAQI
30th Jul 20254910 PMAQI
30th Jul 20255011 PMAQI
31st Jul 20254612 AMAQI
31st Jul 2025541 AMAQI
31st Jul 2025542 AMAQI
31st Jul 2025543 AMAQI
31st Jul 2025544 AMAQI
29°C25/35°C
31st Jul 2025545 AMAQI
31st Jul 2025546 AMAQI
31st Jul 2025547 AMAQI
31st Jul 2025548 AMAQI
31st Jul 2025549 AMAQI
31st Jul 20255810 AMAQI
31st Jul 20255911 AMAQI
31st Jul 20256212 PMAQI
31st Jul 2025611 PMAQI
31st Jul 2025702 PMAQI
31st Jul 2025693 PMAQI
31st Jul 2025664 PMAQI
31st Jul 2025345 PMAQI
31st Jul 2025466 PMAQI
31st Jul 2025537 PMAQI
31st Jul 2025568 PMAQI
31st Jul 2025569 PMAQI
31st Jul 20255810 PMAQI
31st Jul 20256011 PMAQI
1st Aug 20256012 AMAQI
1st Aug 2025541 AMAQI
1st Aug 2025542 AMAQI
1st Aug 2025563 AMAQI
1st Aug 2025564 AMAQI
29°C25/35°C
1st Aug 2025565 AMAQI
1st Aug 2025556 AMAQI
1st Aug 2025567 AMAQI
1st Aug 2025638 AMAQI
1st Aug 2025649 AMAQI
1st Aug 20256910 AMAQI
1st Aug 20256811 AMAQI
1st Aug 20256212 PMAQI
1st Aug 2025651 PMAQI
1st Aug 2025632 PMAQI
1st Aug 2025653 PMAQI
1st Aug 2025674 PMAQI
1st Aug 2025625 PMAQI
1st Aug 2025636 PMAQI
1st Aug 2025627 PMAQI
1st Aug 2025668 PMAQI
1st Aug 2025669 PMAQI
1st Aug 20256810 PMAQI
1st Aug 20256811 PMAQI
2nd Aug 20256512 AMAQI
2nd Aug 2025561 AMAQI
2nd Aug 2025562 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 2025698 AMAQI
2nd Aug 2025719 AMAQI
2nd Aug 20257210 AMAQI
2nd Aug 20257111 AMAQI
2nd Aug 20256912 PMAQI
2nd Aug 2025661 PMAQI
2nd Aug 2025732 PMAQI
2nd Aug 2025683 PMAQI
2nd Aug 2025724 PMAQI
2nd Aug 2025705 PMAQI
2nd Aug 2025646 PMAQI
2nd Aug 2025657 PMAQI
2nd Aug 2025658 PMAQI
2nd Aug 2025679 PMAQI
2nd Aug 20257010 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
31°C26/36°C
3rd Aug 2025625 AMAQI
3rd Aug 2025626 AMAQI
3rd Aug 2025627 AMAQI
3rd Aug 2025518 AMAQI
3rd Aug 2025479 AMAQI
3rd Aug 20254710 AMAQI
3rd Aug 20255011 AMAQI
3rd Aug 20255712 PMAQI
3rd Aug 2025581 PMAQI
3rd Aug 2025552 PMAQI
3rd Aug 2025513 PMAQI
3rd Aug 2025564 PMAQI
3rd Aug 2025525 PMAQI
3rd Aug 2025496 PMAQI
3rd Aug 2025567 PMAQI
3rd Aug 2025588 PMAQI
3rd Aug 2025619 PMAQI
3rd Aug 20256010 PMAQI
3rd Aug 20255711 PMAQI
4th Aug 20255612 AMAQI
4th Aug 2025611 AMAQI
--°C/°C
5 AM
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
10 AM - 4 PM
62AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
5 PM - 6 PM
53AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 4 PM (Avg. 62), while the lowest AQI was between 5 PM to 6 PM (Avg. 53).
Night time
Avg. Highest Time
12 AM - 11 PM
59AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 8 PM
59AQI
6 hours / Day
180 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 8 PM (Avg. 59).
2025 Days Vs Air Quality
City Monitoring Station, Hengyang, Hunan, China
2025
9%
19
51%
109
29%
61
10%
21
1%
3
0.4%
1
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
19 DaysModerate
109 DaysPoor
61 DaysUnhealthy
21 DaysSevere
3 DaysHazardous
1 DaysUnder WHO’s Safe Air Quality Limits: 9%
Health Risk Level:
Extreme
In 2025, 9% of 215 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 Monitoring Station, 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
177AQI
177AQI
2nd January 2025
168AQI
168AQI
3rd January 2025
186AQI
186AQI
4th January 2025
189AQI
189AQI
5th January 2025
178AQI
178AQI
6th January 2025
168AQI
168AQI
7th January 2025
167AQI
167AQI
8th January 2025
152AQI
152AQI
9th January 2025
136AQI
136AQI
10th January 2025
138AQI
138AQI
11th January 2025
136AQI
136AQI
12th January 2025
142AQI
142AQI
13th January 2025
137AQI
137AQI
14th January 2025
148AQI
148AQI
15th January 2025
150AQI
150AQI
16th January 2025
129AQI
129AQI
17th January 2025
146AQI
146AQI
18th January 2025
151AQI
151AQI
19th January 2025
164AQI
164AQI
20th January 2025
167AQI
167AQI
21st January 2025
166AQI
166AQI
22nd January 2025
169AQI
169AQI
23rd January 2025
203AQI
203AQI
24th January 2025
227AQI
227AQI
25th January 2025
105AQI
105AQI
26th January 2025
114AQI
114AQI
27th January 2025
104AQI
104AQI
28th January 2025
125AQI
125AQI
29th January 2025
202AQI
202AQI
30th January 2025
157AQI
157AQI
31st January 2025
137AQI
137AQI
1st February 2025
114AQI
114AQI
2nd February 2025
101AQI
101AQI
3rd February 2025
123AQI
123AQI
4th February 2025
121AQI
121AQI
5th February 2025
144AQI
144AQI
6th February 2025
132AQI
132AQI
7th February 2025
128AQI
128AQI
8th February 2025
82AQI
82AQI
9th February 2025
97AQI
97AQI
10th February 2025
103AQI
103AQI
11th February 2025
128AQI
128AQI
12th February 2025
129AQI
129AQI
13th February 2025
153AQI
153AQI
14th February 2025
160AQI
160AQI
15th February 2025
156AQI
156AQI
16th February 2025
117AQI
117AQI
17th February 2025
125AQI
125AQI
18th February 2025
102AQI
102AQI
19th February 2025
92AQI
92AQI
20th February 2025
75AQI
75AQI
21st February 2025
139AQI
139AQI
22nd February 2025
65AQI
65AQI
23rd February 2025
122AQI
122AQI
24th February 2025
129AQI
129AQI
25th February 2025
153AQI
153AQI
26th February 2025
154AQI
154AQI
27th February 2025
126AQI
126AQI
28th February 2025
102AQI
102AQI
1st March 2025
86AQI
86AQI
2nd March 2025
78AQI
78AQI
3rd March 2025
63AQI
63AQI
4th March 2025
73AQI
73AQI
5th March 2025
69AQI
69AQI
6th March 2025
105AQI
105AQI
7th March 2025
94AQI
94AQI
8th March 2025
104AQI
104AQI
9th March 2025
103AQI
103AQI
10th March 2025
96AQI
96AQI
11th March 2025
107AQI
107AQI
12th March 2025
93AQI
93AQI
13th March 2025
107AQI
107AQI
14th March 2025
71AQI
71AQI
15th March 2025
79AQI
79AQI
16th March 2025
84AQI
84AQI
17th March 2025
82AQI
82AQI
18th March 2025
86AQI
86AQI
19th March 2025
81AQI
81AQI
20th March 2025
100AQI
100AQI
21st March 2025
112AQI
112AQI
22nd March 2025
112AQI
112AQI
23rd March 2025
141AQI
141AQI
24th March 2025
129AQI
129AQI
25th March 2025
150AQI
150AQI
26th March 2025
142AQI
142AQI
27th March 2025
142AQI
142AQI
28th March 2025
94AQI
94AQI
29th March 2025
94AQI
94AQI
30th March 2025
67AQI
67AQI
31st March 2025
94AQI
94AQI
1st April 2025
96AQI
96AQI
2nd April 2025
107AQI
107AQI
3rd April 2025
115AQI
115AQI
4th April 2025
142AQI
142AQI
5th April 2025
146AQI
146AQI
6th April 2025
147AQI
147AQI
7th April 2025
150AQI
150AQI
8th April 2025
137AQI
137AQI
9th April 2025
147AQI
147AQI
10th April 2025
117AQI
117AQI
11th April 2025
122AQI
122AQI
12th April 2025
315AQI
315AQI
13th April 2025
164AQI
164AQI
14th April 2025
157AQI
157AQI
15th April 2025
141AQI
141AQI
16th April 2025
133AQI
133AQI
17th April 2025
128AQI
128AQI
18th April 2025
113AQI
113AQI
19th April 2025
81AQI
81AQI
20th April 2025
84AQI
84AQI
21st April 2025
71AQI
71AQI
22nd April 2025
77AQI
77AQI
23rd April 2025
82AQI
82AQI
24th April 2025
65AQI
65AQI
25th April 2025
67AQI
67AQI
26th April 2025
73AQI
73AQI
27th April 2025
64AQI
64AQI
28th April 2025
83AQI
83AQI
29th April 2025
99AQI
99AQI
30th April 2025
89AQI
89AQI
1st May 2025
92AQI
92AQI
2nd May 2025
93AQI
93AQI
3rd May 2025
103AQI
103AQI
4th May 2025
100AQI
100AQI
5th May 2025
84AQI
84AQI
6th May 2025
94AQI
94AQI
7th May 2025
105AQI
105AQI
8th May 2025
81AQI
81AQI
9th May 2025
76AQI
76AQI
10th May 2025
86AQI
86AQI
11th May 2025
84AQI
84AQI
12th May 2025
96AQI
96AQI
13th May 2025
90AQI
90AQI
14th May 2025
92AQI
92AQI
15th May 2025
103AQI
103AQI
16th May 2025
72AQI
72AQI
17th May 2025
77AQI
77AQI
18th May 2025
63AQI
63AQI
19th May 2025
64AQI
64AQI
20th May 2025
53AQI
53AQI
21st May 2025
60AQI
60AQI
22nd May 2025
56AQI
56AQI
23rd May 2025
67AQI
67AQI
24th May 2025
93AQI
93AQI
25th May 2025
94AQI
94AQI
26th May 2025
95AQI
95AQI
27th May 2025
98AQI
98AQI
28th May 2025
63AQI
63AQI
29th May 2025
66AQI
66AQI
30th May 2025
62AQI
62AQI
31st May 2025
49AQI
49AQI
1st June 2025
55AQI
55AQI
2nd June 2025
58AQI
58AQI
3rd June 2025
71AQI
71AQI
4th June 2025
82AQI
82AQI
5th June 2025
81AQI
81AQI
6th June 2025
78AQI
78AQI
7th June 2025
65AQI
65AQI
8th June 2025
66AQI
66AQI
9th June 2025
75AQI
75AQI
10th June 2025
79AQI
79AQI
11th June 2025
73AQI
73AQI
12th June 2025
62AQI
62AQI
13th June 2025
69AQI
69AQI
14th June 2025
52AQI
52AQI
15th June 2025
49AQI
49AQI
16th June 2025
52AQI
52AQI
17th June 2025
43AQI
43AQI
18th June 2025
41AQI
41AQI
19th June 2025
42AQI
42AQI
20th June 2025
42AQI
42AQI
21st June 2025
43AQI
43AQI
22nd June 2025
37AQI
37AQI
23rd June 2025
50AQI
50AQI
24th June 2025
50AQI
50AQI
25th June 2025
60AQI
60AQI
26th June 2025
56AQI
56AQI
27th June 2025
46AQI
46AQI
28th June 2025
47AQI
47AQI
29th June 2025
45AQI
45AQI
30th June 2025
52AQI
52AQI
1st July 2025
41AQI
41AQI
2nd July 2025
35AQI
35AQI
3rd July 2025
46AQI
46AQI
4th July 2025
53AQI
53AQI
5th July 2025
63AQI
63AQI
6th July 2025
68AQI
68AQI
7th July 2025
73AQI
73AQI
8th July 2025
70AQI
70AQI
9th July 2025
71AQI
71AQI
10th July 2025
61AQI
61AQI
11th July 2025
61AQI
61AQI
12th July 2025
61AQI
61AQI
13th July 2025
63AQI
63AQI
14th July 2025
66AQI
66AQI
15th July 2025
55AQI
55AQI
16th July 2025
58AQI
58AQI
17th July 2025
59AQI
59AQI
18th July 2025
66AQI
66AQI
19th July 2025
64AQI
64AQI
20th July 2025
55AQI
55AQI
21st July 2025
50AQI
50AQI
22nd July 2025
46AQI
46AQI
23rd July 2025
42AQI
42AQI
24th July 2025
54AQI
54AQI
25th July 2025
53AQI
53AQI
26th July 2025
56AQI
56AQI
27th July 2025
53AQI
53AQI
28th July 2025
55AQI
55AQI
29th July 2025
56AQI
56AQI
30th July 2025
53AQI
53AQI
31st July 2025
55AQI
55AQI
1st August 2025
62AQI
62AQI
2nd August 2025
63AQI
63AQI
156AQI
120AQI
98AQI
117AQI
81AQI
57AQI
57AQI
63AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202598AQI
14
14
3
5
18
5
19
12
13
14
2
1
1
27
3
12
18
6
25
2
19
109
61
21
3
1
Highest AQI recorded in
January156AQI
Lowest AQI recorded in
July57AQI
202498AQI
3
8
19
1
1
12
9
4
3
1
13
14
3
1
19
10
2
17
11
1
16
14
22
9
7
23
1
24
6
12
18
1
3
7
17
3
13
18
53
153
107
49
4
Highest AQI recorded in
December150AQI
Lowest AQI recorded in
July46AQI
2023105AQI
3
8
16
4
1
2
13
12
1
10
14
6
6
16
8
1
18
10
2
6
18
6
5
26
2
25
4
1
25
4
11
18
2
1
3
14
8
1
5
16
6
3
25
162
115
52
7
Highest AQI recorded in
January161AQI
Lowest AQI recorded in
July62AQI
202299AQI
9
8
14
1
10
7
3
2
11
15
3
1
16
12
1
1
18
9
3
7
22
1
9
15
1
11
17
3
14
14
2
19
9
3
14
14
26
149
106
38
Highest AQI recorded in
December142AQI
Lowest AQI recorded in
July54AQI
2021103AQI
2
10
18
1
6
18
4
17
13
1
1
22
7
2
22
6
1
4
20
6
1
30
1
17
3
21
8
1
3
13
11
4
10
16
4
3
14
12
2
12
183
112
45
3
Highest AQI recorded in
January150AQI
Lowest AQI recorded in
July68AQI
202095AQI
10
3
9
9
3
7
11
8
22
27
4
9
18
4
2
16
12
3
10
13
5
4
6
16
4
4
9
16
2
26
129
81
28
2
Highest AQI recorded in
December148AQI
Lowest AQI recorded in
June58AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
105AQILeast Polluted Year Recorded
2020(Avg.)
95AQICity Monitoring Station's annual 2025 AQI (98) shows an average percentage change of -2.1% (improved AQI) compared to previous years: 2020 (95), 2021 (103), 2022 (99), 2023 (105), 2024 (98).
