Hkust, Xiangtan, 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
Hkust, Xiangtan, Hunan, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2022
108AQILowest AQI recorded on
9th Aug 2021
28AQISame Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 62 of Moderate air quality, showing improvement over 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Hkust, Xiangtan, 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
10PM3rd Aug
69AQI
Avg. Lowest Time
9AM3rd Aug
58AQI
In the last 24 hours,
Hkust's AQI reached its highest point of 69 at 10 PM during the Night, while the lowest point, 58, was recorded at 9 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hkust, Xiangtan, 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 2025495 AMAQI
5th Jul 2025516 AMAQI
5th Jul 2025517 AMAQI
5th Jul 2025698 AMAQI
5th Jul 2025719 AMAQI
5th Jul 20257810 AMAQI
5th Jul 20256811 AMAQI
5th Jul 20256412 PMAQI
5th Jul 2025691 PMAQI
5th Jul 2025752 PMAQI
5th Jul 2025723 PMAQI
5th Jul 2025774 PMAQI
5th Jul 2025765 PMAQI
5th Jul 2025726 PMAQI
5th Jul 2025677 PMAQI
5th Jul 2025648 PMAQI
5th Jul 2025639 PMAQI
5th Jul 20256010 PMAQI
5th Jul 20256411 PMAQI
6th Jul 20256712 AMAQI
6th Jul 2025521 AMAQI
6th Jul 2025522 AMAQI
6th Jul 2025543 AMAQI
6th Jul 2025554 AMAQI
32°C27/39°C
6th Jul 2025565 AMAQI
6th Jul 2025566 AMAQI
6th Jul 2025557 AMAQI
6th Jul 2025618 AMAQI
6th Jul 2025649 AMAQI
6th Jul 20256310 AMAQI
6th Jul 20256511 AMAQI
6th Jul 20257012 PMAQI
6th Jul 2025761 PMAQI
6th Jul 2025702 PMAQI
6th Jul 2025703 PMAQI
6th Jul 2025624 PMAQI
6th Jul 2025685 PMAQI
6th Jul 2025736 PMAQI
6th Jul 2025737 PMAQI
6th Jul 2025688 PMAQI
6th Jul 2025709 PMAQI
6th Jul 20256810 PMAQI
6th Jul 20256411 PMAQI
7th Jul 20256612 AMAQI
7th Jul 2025561 AMAQI
7th Jul 2025562 AMAQI
7th Jul 2025583 AMAQI
7th Jul 2025584 AMAQI
31°C26/38°C
7th Jul 2025595 AMAQI
7th Jul 2025606 AMAQI
7th Jul 2025597 AMAQI
7th Jul 2025728 AMAQI
7th Jul 2025759 AMAQI
7th Jul 20257810 AMAQI
7th Jul 20258611 AMAQI
7th Jul 20258712 PMAQI
7th Jul 2025841 PMAQI
7th Jul 2025852 PMAQI
7th Jul 2025613 PMAQI
7th Jul 2025764 PMAQI
7th Jul 2025905 PMAQI
7th Jul 2025806 PMAQI
7th Jul 2025607 PMAQI
7th Jul 2025618 PMAQI
7th Jul 2025659 PMAQI
7th Jul 20256510 PMAQI
7th Jul 20257011 PMAQI
8th Jul 20257112 AMAQI
8th Jul 2025601 AMAQI
8th Jul 2025602 AMAQI
8th Jul 2025613 AMAQI
8th Jul 2025644 AMAQI
31°C26/38°C
8th Jul 2025635 AMAQI
8th Jul 2025636 AMAQI
8th Jul 2025637 AMAQI
8th Jul 2025938 AMAQI
8th Jul 2025959 AMAQI
8th Jul 202510010 AMAQI
8th Jul 20259411 AMAQI
8th Jul 20258912 PMAQI
8th Jul 2025881 PMAQI
8th Jul 2025872 PMAQI
8th Jul 2025883 PMAQI
8th Jul 2025914 PMAQI
8th Jul 2025845 PMAQI
8th Jul 2025746 PMAQI
8th Jul 2025657 PMAQI
8th Jul 2025668 PMAQI
8th Jul 2025669 PMAQI
8th Jul 20256810 PMAQI
8th Jul 20256811 PMAQI
9th Jul 20256512 AMAQI
9th Jul 2025631 AMAQI
9th Jul 2025632 AMAQI
9th Jul 2025663 AMAQI
9th Jul 2025684 AMAQI
32°C27/39°C
9th Jul 2025695 AMAQI
9th Jul 2025696 AMAQI
9th Jul 2025687 AMAQI
9th Jul 2025688 AMAQI
9th Jul 2025739 AMAQI
9th Jul 20257410 AMAQI
9th Jul 20258311 AMAQI
9th Jul 20259212 PMAQI
9th Jul 2025931 PMAQI
9th Jul 2025862 PMAQI
9th Jul 2025863 PMAQI
9th Jul 2025834 PMAQI
9th Jul 2025695 PMAQI
9th Jul 2025646 PMAQI
9th Jul 2025647 PMAQI
9th Jul 2025658 PMAQI
9th Jul 2025649 PMAQI
9th Jul 20256810 PMAQI
9th Jul 20255711 PMAQI
10th Jul 20256312 AMAQI
10th Jul 2025661 AMAQI
10th Jul 2025662 AMAQI
10th Jul 2025673 AMAQI
10th Jul 2025684 AMAQI
30°C26/36°C
10th Jul 2025685 AMAQI
10th Jul 2025686 AMAQI
10th Jul 2025677 AMAQI
10th Jul 2025388 AMAQI
10th Jul 2025269 AMAQI
10th Jul 20254710 AMAQI
10th Jul 20254611 AMAQI
10th Jul 20253712 PMAQI
10th Jul 2025521 PMAQI
10th Jul 2025422 PMAQI
10th Jul 2025413 PMAQI
10th Jul 2025424 PMAQI
10th Jul 2025595 PMAQI
10th Jul 2025496 PMAQI
10th Jul 2025547 PMAQI
10th Jul 2025608 PMAQI
10th Jul 2025639 PMAQI
10th Jul 20256010 PMAQI
10th Jul 20255811 PMAQI
11th Jul 20256212 AMAQI
11th Jul 2025641 AMAQI
11th Jul 2025642 AMAQI
11th Jul 2025633 AMAQI
11th Jul 2025624 AMAQI
30°C26/34°C
11th Jul 2025625 AMAQI
11th Jul 2025626 AMAQI
11th Jul 2025627 AMAQI
11th Jul 2025518 AMAQI
11th Jul 2025599 AMAQI
11th Jul 20254710 AMAQI
11th Jul 20255211 AMAQI
11th Jul 20256012 PMAQI
11th Jul 2025701 PMAQI
11th Jul 2025582 PMAQI
11th Jul 2025593 PMAQI
11th Jul 2025724 PMAQI
11th Jul 2025715 PMAQI
11th Jul 2025756 PMAQI
11th Jul 2025627 PMAQI
11th Jul 2025608 PMAQI
11th Jul 2025589 PMAQI
11th Jul 20256010 PMAQI
11th Jul 20256011 PMAQI
12th Jul 20256112 AMAQI
12th Jul 2025621 AMAQI
12th Jul 2025622 AMAQI
12th Jul 2025623 AMAQI
12th Jul 2025624 AMAQI
30°C25/35°C
12th Jul 2025625 AMAQI
12th Jul 2025626 AMAQI
12th Jul 2025627 AMAQI
12th Jul 2025608 AMAQI
12th Jul 2025519 AMAQI
12th Jul 20255810 AMAQI
12th Jul 20256011 AMAQI
12th Jul 20256212 PMAQI
12th Jul 2025661 PMAQI
12th Jul 2025642 PMAQI
12th Jul 2025623 PMAQI
12th Jul 2025644 PMAQI
12th Jul 2025625 PMAQI
12th Jul 2025626 PMAQI
12th Jul 2025557 PMAQI
12th Jul 2025608 PMAQI
12th Jul 2025589 PMAQI
12th Jul 20255810 PMAQI
12th Jul 20255711 PMAQI
13th Jul 20255712 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 2025617 AMAQI
13th Jul 2025578 AMAQI
13th Jul 2025629 AMAQI
13th Jul 20256410 AMAQI
13th Jul 20256611 AMAQI
13th Jul 20257212 PMAQI
13th Jul 2025581 PMAQI
13th Jul 2025692 PMAQI
13th Jul 2025633 PMAQI
13th Jul 2025594 PMAQI
13th Jul 2025505 PMAQI
13th Jul 2025596 PMAQI
13th Jul 2025567 PMAQI
13th Jul 2025638 PMAQI
13th Jul 2025619 PMAQI
13th Jul 20256010 PMAQI
13th Jul 20255811 PMAQI
14th Jul 20255812 AMAQI
14th Jul 2025611 AMAQI
14th Jul 2025612 AMAQI
14th Jul 2025613 AMAQI
14th Jul 2025614 AMAQI
28°C25/33°C
14th Jul 2025625 AMAQI
14th Jul 2025616 AMAQI
14th Jul 2025627 AMAQI
14th Jul 2025518 AMAQI
14th Jul 2025389 AMAQI
14th Jul 20255310 AMAQI
14th Jul 20255511 AMAQI
14th Jul 20255512 PMAQI
14th Jul 2025561 PMAQI
14th Jul 2025562 PMAQI
14th Jul 2025563 PMAQI
14th Jul 2025714 PMAQI
14th Jul 2025695 PMAQI
14th Jul 2025696 PMAQI
14th Jul 2025727 PMAQI
14th Jul 2025678 PMAQI
14th Jul 2025689 PMAQI
14th Jul 20256610 PMAQI
14th Jul 20256411 PMAQI
15th Jul 20256512 AMAQI
15th Jul 2025621 AMAQI
15th Jul 2025612 AMAQI
15th Jul 2025603 AMAQI
15th Jul 2025604 AMAQI
30°C25/36°C
15th Jul 2025595 AMAQI
15th Jul 2025606 AMAQI
15th Jul 2025607 AMAQI
15th Jul 2025588 AMAQI
15th Jul 2025609 AMAQI
15th Jul 20255410 AMAQI
15th Jul 20255811 AMAQI
15th Jul 20255512 PMAQI
15th Jul 2025611 PMAQI
15th Jul 2025482 PMAQI
15th Jul 2025503 PMAQI
15th Jul 2025544 PMAQI
15th Jul 2025605 PMAQI
15th Jul 2025566 PMAQI
15th Jul 2025587 PMAQI
15th Jul 2025628 PMAQI
15th Jul 2025629 PMAQI
15th Jul 20255610 PMAQI
15th Jul 20255911 PMAQI
16th Jul 20256012 AMAQI
16th Jul 2025601 AMAQI
16th Jul 2025602 AMAQI
16th Jul 2025603 AMAQI
16th Jul 2025604 AMAQI
31°C26/37°C
16th Jul 2025605 AMAQI
16th Jul 2025606 AMAQI
16th Jul 2025597 AMAQI
16th Jul 2025488 AMAQI
16th Jul 2025559 AMAQI
16th Jul 20254810 AMAQI
16th Jul 20254411 AMAQI
16th Jul 20254012 PMAQI
16th Jul 2025481 PMAQI
16th Jul 2025492 PMAQI
16th Jul 2025523 PMAQI
16th Jul 2025594 PMAQI
16th Jul 2025655 PMAQI
16th Jul 2025546 PMAQI
16th Jul 2025577 PMAQI
16th Jul 2025578 PMAQI
16th Jul 2025639 PMAQI
16th Jul 20256410 PMAQI
16th Jul 20256311 PMAQI
17th Jul 20256312 AMAQI
17th Jul 2025621 AMAQI
17th Jul 2025602 AMAQI
17th Jul 2025593 AMAQI
17th Jul 2025594 AMAQI
32°C28/38°C
17th Jul 2025585 AMAQI
17th Jul 2025586 AMAQI
17th Jul 2025597 AMAQI
17th Jul 2025588 AMAQI
17th Jul 2025499 AMAQI
17th Jul 20254010 AMAQI
17th Jul 20255811 AMAQI
17th Jul 20256312 PMAQI
17th Jul 2025391 PMAQI
17th Jul 2025582 PMAQI
17th Jul 2025533 PMAQI
17th Jul 2025554 PMAQI
17th Jul 2025615 PMAQI
17th Jul 2025566 PMAQI
17th Jul 2025607 PMAQI
17th Jul 2025668 PMAQI
17th Jul 2025679 PMAQI
17th Jul 20256910 PMAQI
17th Jul 20256911 PMAQI
18th Jul 20255412 AMAQI
18th Jul 2025541 AMAQI
18th Jul 2025602 AMAQI
18th Jul 2025603 AMAQI
18th Jul 2025584 AMAQI
31°C28/36°C
18th Jul 2025605 AMAQI
18th Jul 2025596 AMAQI
18th Jul 2025597 AMAQI
18th Jul 2025888 AMAQI
18th Jul 2025549 AMAQI
18th Jul 20254010 AMAQI
18th Jul 20258811 AMAQI
18th Jul 20257812 PMAQI
18th Jul 2025501 PMAQI
18th Jul 2025422 PMAQI
18th Jul 2025523 PMAQI
18th Jul 2025514 PMAQI
18th Jul 2025805 PMAQI
18th Jul 2025736 PMAQI
18th Jul 2025667 PMAQI
18th Jul 2025608 PMAQI
18th Jul 2025669 PMAQI
18th Jul 20256510 PMAQI
18th Jul 20256211 PMAQI
19th Jul 20255912 AMAQI
19th Jul 2025601 AMAQI
19th Jul 2025602 AMAQI
19th Jul 2025603 AMAQI
19th Jul 2025604 AMAQI
32°C27/37°C
19th Jul 2025605 AMAQI
19th Jul 2025606 AMAQI
19th Jul 2025607 AMAQI
19th Jul 2025608 AMAQI
19th Jul 2025549 AMAQI
19th Jul 20255710 AMAQI
19th Jul 20256511 AMAQI
19th Jul 20256812 PMAQI
19th Jul 2025671 PMAQI
19th Jul 2025672 PMAQI
19th Jul 2025753 PMAQI
19th Jul 2025684 PMAQI
19th Jul 2025505 PMAQI
19th Jul 2025466 PMAQI
19th Jul 2025737 PMAQI
19th Jul 2025688 PMAQI
19th Jul 2025699 PMAQI
19th Jul 20256610 PMAQI
19th Jul 20256511 PMAQI
20th Jul 20257212 AMAQI
20th Jul 2025631 AMAQI
20th Jul 2025612 AMAQI
20th Jul 2025613 AMAQI
20th Jul 2025614 AMAQI
30°C27/37°C
20th Jul 2025625 AMAQI
20th Jul 2025616 AMAQI
20th Jul 2025617 AMAQI
20th Jul 2025728 AMAQI
20th Jul 2025699 AMAQI
20th Jul 20255910 AMAQI
20th Jul 20253811 AMAQI
20th Jul 20252612 PMAQI
20th Jul 2025391 PMAQI
20th Jul 2025242 PMAQI
20th Jul 2025243 PMAQI
20th Jul 2025244 PMAQI
20th Jul 2025365 PMAQI
20th Jul 2025366 PMAQI
20th Jul 2025527 PMAQI
20th Jul 2025558 PMAQI
20th Jul 2025579 PMAQI
20th Jul 20255510 PMAQI
20th Jul 20255411 PMAQI
21st Jul 20255412 AMAQI
21st Jul 2025601 AMAQI
21st Jul 2025632 AMAQI
21st Jul 2025623 AMAQI
21st Jul 2025604 AMAQI
27°C25/31°C
21st Jul 2025605 AMAQI
21st Jul 2025606 AMAQI
21st Jul 2025607 AMAQI
21st Jul 2025318 AMAQI
21st Jul 2025209 AMAQI
21st Jul 20252810 AMAQI
21st Jul 20252411 AMAQI
21st Jul 20252312 PMAQI
21st Jul 2025251 PMAQI
21st Jul 2025272 PMAQI
21st Jul 2025203 PMAQI
21st Jul 2025214 PMAQI
21st Jul 2025195 PMAQI
21st Jul 2025196 PMAQI
21st Jul 2025497 PMAQI
21st Jul 2025578 PMAQI
21st Jul 2025529 PMAQI
21st Jul 20255410 PMAQI
21st Jul 20255611 PMAQI
22nd Jul 20255312 AMAQI
22nd Jul 2025531 AMAQI
22nd Jul 2025602 AMAQI
22nd Jul 2025583 AMAQI
22nd Jul 2025554 AMAQI
29°C26/34°C
22nd Jul 2025555 AMAQI
22nd Jul 2025556 AMAQI
22nd Jul 2025557 AMAQI
22nd Jul 2025328 AMAQI
22nd Jul 2025199 AMAQI
22nd Jul 20252710 AMAQI
22nd Jul 20252011 AMAQI
22nd Jul 20252212 PMAQI
22nd Jul 2025221 PMAQI
22nd Jul 2025202 PMAQI
22nd Jul 2025423 PMAQI
22nd Jul 2025294 PMAQI
22nd Jul 2025305 PMAQI
22nd Jul 2025246 PMAQI
22nd Jul 2025317 PMAQI
22nd Jul 2025558 PMAQI
22nd Jul 2025529 PMAQI
22nd Jul 20255110 PMAQI
22nd Jul 20254211 PMAQI
23rd Jul 20255012 AMAQI
23rd Jul 2025561 AMAQI
23rd Jul 2025562 AMAQI
23rd Jul 2025543 AMAQI
23rd Jul 2025524 AMAQI
27°C25/30°C
23rd Jul 2025525 AMAQI
23rd Jul 2025526 AMAQI
23rd Jul 2025527 AMAQI
23rd Jul 2025288 AMAQI
23rd Jul 2025179 AMAQI
23rd Jul 20251710 AMAQI
23rd Jul 20251911 AMAQI
23rd Jul 20252612 PMAQI
23rd Jul 2025241 PMAQI
23rd Jul 2025212 PMAQI
23rd Jul 2025243 PMAQI
23rd Jul 2025634 PMAQI
23rd Jul 2025295 PMAQI
23rd Jul 2025366 PMAQI
23rd Jul 2025377 PMAQI
23rd Jul 2025548 PMAQI
23rd Jul 2025409 PMAQI
23rd Jul 20254710 PMAQI
23rd Jul 20254911 PMAQI
24th Jul 20255312 AMAQI
24th Jul 2025531 AMAQI
24th Jul 2025532 AMAQI
24th Jul 2025523 AMAQI
24th Jul 2025484 AMAQI
27°C25/31°C
24th Jul 2025505 AMAQI
24th Jul 2025486 AMAQI
24th Jul 2025487 AMAQI
24th Jul 2025338 AMAQI
24th Jul 2025249 AMAQI
24th Jul 20254210 AMAQI
24th Jul 20253711 AMAQI
24th Jul 20254712 PMAQI
24th Jul 2025571 PMAQI
24th Jul 2025442 PMAQI
24th Jul 2025363 PMAQI
24th Jul 2025274 PMAQI
24th Jul 2025535 PMAQI
24th Jul 2025666 PMAQI
24th Jul 2025627 PMAQI
24th Jul 2025608 PMAQI
24th Jul 2025619 PMAQI
24th Jul 20253910 PMAQI
24th Jul 20253611 PMAQI
25th Jul 20254412 AMAQI
25th Jul 2025521 AMAQI
25th Jul 2025522 AMAQI
25th Jul 2025523 AMAQI
25th Jul 2025514 AMAQI
30°C25/36°C
25th Jul 2025515 AMAQI
25th Jul 2025516 AMAQI
25th Jul 2025517 AMAQI
25th Jul 2025388 AMAQI
25th Jul 2025409 AMAQI
25th Jul 20253610 AMAQI
25th Jul 20255011 AMAQI
25th Jul 20255312 PMAQI
25th Jul 2025441 PMAQI
25th Jul 2025302 PMAQI
25th Jul 2025293 PMAQI
25th Jul 2025324 PMAQI
25th Jul 2025355 PMAQI
25th Jul 2025316 PMAQI
25th Jul 2025387 PMAQI
25th Jul 2025448 PMAQI
25th Jul 2025459 PMAQI
25th Jul 20255510 PMAQI
25th Jul 20256011 PMAQI
26th Jul 20255812 AMAQI
26th Jul 2025501 AMAQI
26th Jul 2025502 AMAQI
26th Jul 2025503 AMAQI
26th Jul 2025494 AMAQI
30°C26/36°C
26th Jul 2025485 AMAQI
26th Jul 2025486 AMAQI
26th Jul 2025487 AMAQI
26th Jul 2025668 AMAQI
26th Jul 2025709 AMAQI
26th Jul 20256710 AMAQI
26th Jul 20256411 AMAQI
26th Jul 20255912 PMAQI
26th Jul 2025691 PMAQI
26th Jul 2025662 PMAQI
26th Jul 2025583 PMAQI
26th Jul 2025554 PMAQI
26th Jul 2025585 PMAQI
26th Jul 2025626 PMAQI
26th Jul 2025577 PMAQI
26th Jul 2025668 PMAQI
26th Jul 2025699 PMAQI
26th Jul 20255510 PMAQI
26th Jul 20254811 PMAQI
27th Jul 20255412 AMAQI
27th Jul 2025521 AMAQI
27th Jul 2025522 AMAQI
27th Jul 2025533 AMAQI
27th Jul 2025554 AMAQI
30°C26/36°C
27th Jul 2025555 AMAQI
27th Jul 2025556 AMAQI
27th Jul 2025557 AMAQI
27th Jul 2025568 AMAQI
27th Jul 2025589 AMAQI
27th Jul 20255410 AMAQI
27th Jul 20255611 AMAQI
27th Jul 20257112 PMAQI
27th Jul 2025721 PMAQI
27th Jul 2025732 PMAQI
27th Jul 2025613 PMAQI
27th Jul 2025714 PMAQI
27th Jul 2025535 PMAQI
27th Jul 2025246 PMAQI
27th Jul 2025367 PMAQI
27th Jul 2025438 PMAQI
27th Jul 2025399 PMAQI
27th Jul 20254210 PMAQI
27th Jul 20254711 PMAQI
28th Jul 20254112 AMAQI
28th Jul 2025511 AMAQI
28th Jul 2025542 AMAQI
28th Jul 2025553 AMAQI
28th Jul 2025564 AMAQI
29°C26/33°C
28th Jul 2025565 AMAQI
28th Jul 2025566 AMAQI
28th Jul 2025567 AMAQI
28th Jul 2025608 AMAQI
28th Jul 2025509 AMAQI
28th Jul 20255510 AMAQI
28th Jul 20255611 AMAQI
28th Jul 20255812 PMAQI
28th Jul 2025561 PMAQI
28th Jul 2025492 PMAQI
28th Jul 2025543 PMAQI
28th Jul 2025424 PMAQI
28th Jul 2025505 PMAQI
28th Jul 2025576 PMAQI
28th Jul 2025657 PMAQI
28th Jul 2025588 PMAQI
28th Jul 2025629 PMAQI
28th Jul 20255810 PMAQI
28th Jul 20255811 PMAQI
29th Jul 20255512 AMAQI
29th Jul 2025541 AMAQI
29th Jul 2025542 AMAQI
29th Jul 2025543 AMAQI
29th Jul 2025544 AMAQI
29°C25/34°C
29th Jul 2025545 AMAQI
29th Jul 2025546 AMAQI
29th Jul 2025547 AMAQI
29th Jul 2025558 AMAQI
29th Jul 2025409 AMAQI
29th Jul 20254410 AMAQI
29th Jul 20256111 AMAQI
29th Jul 20256212 PMAQI
29th Jul 2025621 PMAQI
29th Jul 2025662 PMAQI
29th Jul 2025383 PMAQI
29th Jul 2025344 PMAQI
29th Jul 2025565 PMAQI
29th Jul 2025566 PMAQI
29th Jul 2025487 PMAQI
29th Jul 2025528 PMAQI
29th Jul 2025599 PMAQI
29th Jul 20256010 PMAQI
29th Jul 20255511 PMAQI
30th Jul 20255112 AMAQI
30th Jul 2025541 AMAQI
30th Jul 2025542 AMAQI
30th Jul 2025553 AMAQI
30th Jul 2025544 AMAQI
29°C25/33°C
30th Jul 2025555 AMAQI
30th Jul 2025556 AMAQI
30th Jul 2025557 AMAQI
30th Jul 2025688 AMAQI
30th Jul 2025679 AMAQI
30th Jul 20257010 AMAQI
30th Jul 20255711 AMAQI
30th Jul 20256412 PMAQI
30th Jul 2025661 PMAQI
30th Jul 2025402 PMAQI
30th Jul 2025273 PMAQI
30th Jul 2025274 PMAQI
30th Jul 2025325 PMAQI
30th Jul 2025386 PMAQI
30th Jul 2025347 PMAQI
30th Jul 2025468 PMAQI
30th Jul 2025559 PMAQI
30th Jul 20254210 PMAQI
30th Jul 20255311 PMAQI
31st Jul 20255412 AMAQI
31st Jul 2025541 AMAQI
31st Jul 2025542 AMAQI
31st Jul 2025543 AMAQI
31st Jul 2025544 AMAQI
29°C26/35°C
31st Jul 2025545 AMAQI
31st Jul 2025546 AMAQI
31st Jul 2025547 AMAQI
31st Jul 2025548 AMAQI
31st Jul 2025549 AMAQI
31st Jul 20255610 AMAQI
31st Jul 20254311 AMAQI
31st Jul 20255212 PMAQI
31st Jul 2025771 PMAQI
31st Jul 2025692 PMAQI
31st Jul 2025643 PMAQI
31st Jul 2025734 PMAQI
31st Jul 2025325 PMAQI
31st Jul 2025666 PMAQI
31st Jul 2025617 PMAQI
31st Jul 2025588 PMAQI
31st Jul 2025599 PMAQI
31st Jul 20255910 PMAQI
31st Jul 20256111 PMAQI
1st Aug 20255912 AMAQI
1st Aug 2025541 AMAQI
1st Aug 2025552 AMAQI
1st Aug 2025563 AMAQI
1st Aug 2025584 AMAQI
29°C25/36°C
1st Aug 2025575 AMAQI
1st Aug 2025576 AMAQI
1st Aug 2025567 AMAQI
1st Aug 2025638 AMAQI
1st Aug 2025649 AMAQI
1st Aug 20256810 AMAQI
1st Aug 20256511 AMAQI
1st Aug 20256212 PMAQI
1st Aug 2025671 PMAQI
1st Aug 2025692 PMAQI
1st Aug 2025683 PMAQI
1st Aug 2025704 PMAQI
1st Aug 2025695 PMAQI
1st Aug 2025696 PMAQI
1st Aug 2025657 PMAQI
1st Aug 2025678 PMAQI
1st Aug 2025689 PMAQI
1st Aug 20257210 PMAQI
1st Aug 20257211 PMAQI
2nd Aug 20256612 AMAQI
2nd Aug 2025561 AMAQI
2nd Aug 2025562 AMAQI
2nd Aug 2025583 AMAQI
2nd Aug 2025604 AMAQI
30°C26/35°C
2nd Aug 2025595 AMAQI
2nd Aug 2025596 AMAQI
2nd Aug 2025597 AMAQI
2nd Aug 2025798 AMAQI
2nd Aug 2025829 AMAQI
2nd Aug 20257910 AMAQI
2nd Aug 20258011 AMAQI
2nd Aug 20258412 PMAQI
2nd Aug 2025691 PMAQI
2nd Aug 2025822 PMAQI
2nd Aug 2025733 PMAQI
2nd Aug 2025804 PMAQI
2nd Aug 2025735 PMAQI
2nd Aug 2025706 PMAQI
2nd Aug 2025707 PMAQI
2nd Aug 2025708 PMAQI
2nd Aug 2025729 PMAQI
2nd Aug 20257410 PMAQI
2nd Aug 20257211 PMAQI
3rd Aug 20256712 AMAQI
3rd Aug 2025581 AMAQI
3rd Aug 2025582 AMAQI
3rd Aug 2025623 AMAQI
3rd Aug 2025634 AMAQI
31°C26/37°C
3rd Aug 2025635 AMAQI
3rd Aug 2025626 AMAQI
3rd Aug 2025637 AMAQI
3rd Aug 2025628 AMAQI
3rd Aug 2025589 AMAQI
3rd Aug 20255910 AMAQI
3rd Aug 20256211 AMAQI
3rd Aug 20256512 PMAQI
3rd Aug 2025671 PMAQI
3rd Aug 2025622 PMAQI
3rd Aug 2025643 PMAQI
3rd Aug 2025644 PMAQI
3rd Aug 2025615 PMAQI
3rd Aug 2025646 PMAQI
3rd Aug 2025627 PMAQI
3rd Aug 2025648 PMAQI
3rd Aug 2025669 PMAQI
3rd Aug 20256910 PMAQI
3rd Aug 20256311 PMAQI
4th Aug 20256212 AMAQI
4th Aug 2025611 AMAQI
4th Aug 2025602 AMAQI
4th Aug 2025623 AMAQI
4th Aug 2025624 AMAQI
--°C/°C
5 AM
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 2 PM
57AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
9 AM - 3 PM
57AQI
7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 2 PM (Avg. 57), while the lowest AQI was between 9 AM to 3 PM (Avg. 57).
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
Hkust, Xiangtan, Hunan, China
2025
10%
21
47%
102
32%
69
9%
20
0.9%
2
0.4%
1
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
21 DaysModerate
102 DaysPoor
69 DaysUnhealthy
20 DaysSevere
2 DaysHazardous
1 DaysUnder WHO’s Safe Air Quality Limits: 10%
Health Risk Level:
Extreme
In 2025, 10% 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
Hkust, Xiangtan, 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
177AQI
177AQI
3rd January 2025
191AQI
191AQI
4th January 2025
216AQI
216AQI
5th January 2025
154AQI
154AQI
6th January 2025
161AQI
161AQI
7th January 2025
161AQI
161AQI
8th January 2025
151AQI
151AQI
9th January 2025
126AQI
126AQI
10th January 2025
121AQI
121AQI
11th January 2025
128AQI
128AQI
12th January 2025
132AQI
132AQI
13th January 2025
132AQI
132AQI
14th January 2025
136AQI
136AQI
15th January 2025
129AQI
129AQI
16th January 2025
119AQI
119AQI
17th January 2025
127AQI
127AQI
18th January 2025
143AQI
143AQI
19th January 2025
156AQI
156AQI
20th January 2025
164AQI
164AQI
21st January 2025
163AQI
163AQI
22nd January 2025
162AQI
162AQI
23rd January 2025
242AQI
242AQI
24th January 2025
183AQI
183AQI
25th January 2025
105AQI
105AQI
26th January 2025
97AQI
97AQI
27th January 2025
109AQI
109AQI
28th January 2025
116AQI
116AQI
29th January 2025
170AQI
170AQI
30th January 2025
136AQI
136AQI
31st January 2025
126AQI
126AQI
1st February 2025
117AQI
117AQI
2nd February 2025
122AQI
122AQI
3rd February 2025
133AQI
133AQI
4th February 2025
119AQI
119AQI
5th February 2025
139AQI
139AQI
6th February 2025
118AQI
118AQI
7th February 2025
122AQI
122AQI
8th February 2025
74AQI
74AQI
9th February 2025
87AQI
87AQI
10th February 2025
98AQI
98AQI
11th February 2025
124AQI
124AQI
12th February 2025
138AQI
138AQI
13th February 2025
155AQI
155AQI
14th February 2025
154AQI
154AQI
15th February 2025
159AQI
159AQI
16th February 2025
147AQI
147AQI
17th February 2025
125AQI
125AQI
18th February 2025
109AQI
109AQI
19th February 2025
108AQI
108AQI
20th February 2025
113AQI
113AQI
21st February 2025
152AQI
152AQI
22nd February 2025
82AQI
82AQI
23rd February 2025
147AQI
147AQI
24th February 2025
129AQI
129AQI
25th February 2025
159AQI
159AQI
26th February 2025
151AQI
151AQI
27th February 2025
135AQI
135AQI
28th February 2025
125AQI
125AQI
1st March 2025
92AQI
92AQI
2nd March 2025
90AQI
90AQI
3rd March 2025
54AQI
54AQI
4th March 2025
89AQI
89AQI
5th March 2025
87AQI
87AQI
6th March 2025
118AQI
118AQI
7th March 2025
90AQI
90AQI
8th March 2025
110AQI
110AQI
9th March 2025
118AQI
118AQI
10th March 2025
107AQI
107AQI
11th March 2025
102AQI
102AQI
12th March 2025
133AQI
133AQI
13th March 2025
127AQI
127AQI
14th March 2025
80AQI
80AQI
15th March 2025
93AQI
93AQI
16th March 2025
82AQI
82AQI
17th March 2025
82AQI
82AQI
18th March 2025
81AQI
81AQI
19th March 2025
82AQI
82AQI
20th March 2025
88AQI
88AQI
21st March 2025
102AQI
102AQI
22nd March 2025
106AQI
106AQI
23rd March 2025
134AQI
134AQI
24th March 2025
110AQI
110AQI
25th March 2025
137AQI
137AQI
26th March 2025
136AQI
136AQI
27th March 2025
144AQI
144AQI
28th March 2025
93AQI
93AQI
29th March 2025
105AQI
105AQI
30th March 2025
68AQI
68AQI
31st March 2025
99AQI
99AQI
1st April 2025
97AQI
97AQI
2nd April 2025
106AQI
106AQI
3rd April 2025
101AQI
101AQI
4th April 2025
130AQI
130AQI
5th April 2025
139AQI
139AQI
6th April 2025
137AQI
137AQI
7th April 2025
140AQI
140AQI
8th April 2025
139AQI
139AQI
9th April 2025
139AQI
139AQI
10th April 2025
132AQI
132AQI
11th April 2025
116AQI
116AQI
12th April 2025
461AQI
461AQI
13th April 2025
148AQI
148AQI
14th April 2025
164AQI
164AQI
15th April 2025
119AQI
119AQI
16th April 2025
125AQI
125AQI
17th April 2025
121AQI
121AQI
18th April 2025
118AQI
118AQI
19th April 2025
80AQI
80AQI
20th April 2025
110AQI
110AQI
21st April 2025
69AQI
69AQI
22nd April 2025
91AQI
91AQI
23rd April 2025
88AQI
88AQI
24th April 2025
70AQI
70AQI
25th April 2025
71AQI
71AQI
26th April 2025
72AQI
72AQI
27th April 2025
73AQI
73AQI
28th April 2025
92AQI
92AQI
29th April 2025
106AQI
106AQI
30th April 2025
88AQI
88AQI
1st May 2025
99AQI
99AQI
2nd May 2025
90AQI
90AQI
3rd May 2025
105AQI
105AQI
4th May 2025
101AQI
101AQI
5th May 2025
87AQI
87AQI
6th May 2025
100AQI
100AQI
7th May 2025
104AQI
104AQI
8th May 2025
77AQI
77AQI
9th May 2025
79AQI
79AQI
10th May 2025
85AQI
85AQI
11th May 2025
80AQI
80AQI
12th May 2025
89AQI
89AQI
13th May 2025
84AQI
84AQI
14th May 2025
95AQI
95AQI
15th May 2025
98AQI
98AQI
16th May 2025
78AQI
78AQI
17th May 2025
79AQI
79AQI
18th May 2025
90AQI
90AQI
19th May 2025
74AQI
74AQI
20th May 2025
58AQI
58AQI
21st May 2025
59AQI
59AQI
22nd May 2025
58AQI
58AQI
23rd May 2025
74AQI
74AQI
24th May 2025
94AQI
94AQI
25th May 2025
98AQI
98AQI
26th May 2025
98AQI
98AQI
27th May 2025
113AQI
113AQI
28th May 2025
72AQI
72AQI
29th May 2025
65AQI
65AQI
30th May 2025
59AQI
59AQI
31st May 2025
53AQI
53AQI
1st June 2025
44AQI
44AQI
2nd June 2025
64AQI
64AQI
3rd June 2025
72AQI
72AQI
4th June 2025
90AQI
90AQI
5th June 2025
81AQI
81AQI
6th June 2025
79AQI
79AQI
7th June 2025
66AQI
66AQI
8th June 2025
72AQI
72AQI
9th June 2025
67AQI
67AQI
10th June 2025
76AQI
76AQI
11th June 2025
61AQI
61AQI
12th June 2025
56AQI
56AQI
13th June 2025
66AQI
66AQI
14th June 2025
53AQI
53AQI
15th June 2025
60AQI
60AQI
16th June 2025
56AQI
56AQI
17th June 2025
46AQI
46AQI
18th June 2025
44AQI
44AQI
19th June 2025
41AQI
41AQI
20th June 2025
43AQI
43AQI
21st June 2025
49AQI
49AQI
22nd June 2025
53AQI
53AQI
23rd June 2025
44AQI
44AQI
24th June 2025
46AQI
46AQI
25th June 2025
54AQI
54AQI
26th June 2025
61AQI
61AQI
27th June 2025
50AQI
50AQI
28th June 2025
46AQI
46AQI
29th June 2025
47AQI
47AQI
30th June 2025
45AQI
45AQI
1st July 2025
41AQI
41AQI
2nd July 2025
34AQI
34AQI
3rd July 2025
46AQI
46AQI
4th July 2025
51AQI
51AQI
5th July 2025
62AQI
62AQI
6th July 2025
64AQI
64AQI
7th July 2025
69AQI
69AQI
8th July 2025
74AQI
74AQI
9th July 2025
70AQI
70AQI
10th July 2025
56AQI
56AQI
11th July 2025
62AQI
62AQI
12th July 2025
61AQI
61AQI
13th July 2025
61AQI
61AQI
14th July 2025
61AQI
61AQI
15th July 2025
59AQI
59AQI
16th July 2025
57AQI
57AQI
17th July 2025
59AQI
59AQI
18th July 2025
62AQI
62AQI
19th July 2025
62AQI
62AQI
20th July 2025
52AQI
52AQI
21st July 2025
44AQI
44AQI
22nd July 2025
42AQI
42AQI
23rd July 2025
41AQI
41AQI
24th July 2025
48AQI
48AQI
25th July 2025
45AQI
45AQI
26th July 2025
57AQI
57AQI
27th July 2025
52AQI
52AQI
28th July 2025
55AQI
55AQI
29th July 2025
54AQI
54AQI
30th July 2025
50AQI
50AQI
31st July 2025
57AQI
57AQI
1st August 2025
63AQI
63AQI
2nd August 2025
69AQI
69AQI
3rd August 2025
62AQI
62AQI
149AQI
126AQI
101AQI
121AQI
84AQI
58AQI
55AQI
65AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202598AQI
1
15
13
2
4
18
6
16
15
11
17
1
1
27
4
12
18
9
22
3
21
102
69
20
2
1
Highest AQI recorded in
January149AQI
Lowest AQI recorded in
July55AQI
2024105AQI
1
4
9
16
1
1
7
15
5
1
11
14
6
7
18
5
17
14
12
18
22
9
6
25
1
17
10
2
11
12
8
1
9
11
9
14
17
44
135
117
68
2
Highest AQI recorded in
December147AQI
Lowest AQI recorded in
July45AQI
2023100AQI
4
13
10
4
1
3
12
12
1
8
17
5
2
20
8
2
20
9
4
26
7
24
3
28
6
23
1
13
16
1
4
18
4
8
15
4
4
27
181
108
36
8
Highest AQI recorded in
January153AQI
Lowest AQI recorded in
July62AQI
2022105AQI
3
10
15
3
4
12
5
2
14
11
4
1
9
7
2
15
14
16
14
11
10
1
1
13
15
1
3
9
12
7
1
10
17
2
2
19
10
37
103
118
44
3
Highest AQI recorded in
January148AQI
Lowest AQI recorded in
July49AQI
2021106AQI
3
8
18
2
4
13
11
10
19
2
1
8
17
4
2
20
8
1
8
15
7
4
27
5
15
1
2
26
2
2
15
9
5
10
11
9
4
8
15
4
24
157
103
65
6
Highest AQI recorded in
January155AQI
Lowest AQI recorded in
July65AQI
202097AQI
3
6
4
2
8
11
12
6
10
20
5
22
4
6
22
3
3
13
14
4
5
13
9
1
6
15
8
2
5
22
2
34
116
75
39
2
Highest AQI recorded in
December163AQI
Lowest AQI recorded in
June58AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
106AQILeast Polluted Year Recorded
2020(Avg.)
97AQIHkust's annual 2025 AQI (98) shows an average percentage change of -3.8% (improved AQI) compared to previous years: 2020 (97), 2021 (106), 2022 (105), 2023 (100), 2024 (105).
