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HistoryAQIPM2.5PM10COSO2NO2O3

City Environmental Monitoring Station, Yongzhou, 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+

October Air Quality Analysis

City Environmental Monitoring Station, Yongzhou, Hunan, China

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
13th Oct 2024
154AQI
Lowest AQI recorded on
2nd Oct 2022
28AQI

Same Day Analysis (3rd October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 85 of Moderate air quality, showing improvement over 2024 and 2023 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 3rd Oct - 4th Oct 2025

City Environmental Monitoring Station, Yongzhou, Hunan, China

AQI
Day
Night
.

6 AM3rd Oct 2025

6 PM

5 AM4th Oct 2025

Day time
Avg. Highest Time
9AM3rd Oct

82AQI

Avg. Lowest Time
1PM3rd Oct

50AQI

Night time
Avg. Highest Time
5AM4th Oct

150AQI

Avg. Lowest Time
7PM3rd Oct

48AQI

In the last 24 hours,

City Environmental Monitoring Station's AQI reached its highest point of 150 at 5 AM during the Night, while the lowest point, 48, was recorded at 7 PM during the Night between 3rd Oct and 4th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

City Environmental Monitoring Station, Yongzhou, Hunan, China

SepOct
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 - 01st01st - 02nd02nd - 03rd03rd - 04th04th
Day
Night
4th Sep 2025576 AMAQI
4th Sep 2025577 AMAQI
4th Sep 2025648 AMAQI
4th Sep 2025719 AMAQI
4th Sep 20256710 AMAQI
4th Sep 20256411 AMAQI
4th Sep 20256012 PMAQI
4th Sep 2025531 PMAQI
4th Sep 2025532 PMAQI
4th Sep 2025583 PMAQI
4th Sep 2025444 PMAQI
4th Sep 2025445 PMAQI
4th Sep 2025446 PMAQI
4th Sep 2025477 PMAQI
4th Sep 2025668 PMAQI
4th Sep 2025859 PMAQI
4th Sep 20259410 PMAQI
4th Sep 20259211 PMAQI
5th Sep 20258012 AMAQI
5th Sep 2025581 AMAQI
5th Sep 2025572 AMAQI
5th Sep 2025583 AMAQI
5th Sep 2025584 AMAQI
5th Sep 2025585 AMAQI

30°C25/35°C

5th Sep 2025596 AMAQI
5th Sep 2025597 AMAQI
5th Sep 2025618 AMAQI
5th Sep 2025729 AMAQI
5th Sep 20257210 AMAQI
5th Sep 20256911 AMAQI
5th Sep 20257412 PMAQI
5th Sep 2025691 PMAQI
5th Sep 2025722 PMAQI
5th Sep 2025683 PMAQI
5th Sep 2025704 PMAQI
5th Sep 2025705 PMAQI
5th Sep 2025696 PMAQI
5th Sep 2025707 PMAQI
5th Sep 2025668 PMAQI
5th Sep 2025749 PMAQI
5th Sep 20257210 PMAQI
5th Sep 20256811 PMAQI
6th Sep 20256612 AMAQI
6th Sep 2025721 AMAQI
6th Sep 2025792 AMAQI
6th Sep 2025723 AMAQI
6th Sep 2025664 AMAQI
6th Sep 2025655 AMAQI

31°C25/38°C

6th Sep 2025666 AMAQI
6th Sep 2025657 AMAQI
6th Sep 20251048 AMAQI
6th Sep 20251069 AMAQI
6th Sep 20258410 AMAQI
6th Sep 20257011 AMAQI
6th Sep 20256512 PMAQI
6th Sep 2025681 PMAQI
6th Sep 2025662 PMAQI
6th Sep 2025623 PMAQI
6th Sep 2025624 PMAQI
6th Sep 2025585 PMAQI
6th Sep 2025586 PMAQI
6th Sep 2025697 PMAQI
6th Sep 2025728 PMAQI
6th Sep 2025749 PMAQI
6th Sep 20257810 PMAQI
6th Sep 20257311 PMAQI
7th Sep 20257212 AMAQI
7th Sep 2025661 AMAQI
7th Sep 2025662 AMAQI
7th Sep 2025663 AMAQI
7th Sep 2025684 AMAQI
7th Sep 2025685 AMAQI

29°C25/37°C

7th Sep 2025686 AMAQI
7th Sep 2025687 AMAQI
7th Sep 2025778 AMAQI
7th Sep 2025769 AMAQI
7th Sep 20258210 AMAQI
7th Sep 20257211 AMAQI
7th Sep 20258712 PMAQI
7th Sep 2025901 PMAQI
7th Sep 2025982 PMAQI
7th Sep 2025913 PMAQI
7th Sep 2025804 PMAQI
7th Sep 2025745 PMAQI
7th Sep 2025736 PMAQI
7th Sep 2025657 PMAQI
7th Sep 2025648 PMAQI
7th Sep 2025669 PMAQI
7th Sep 20257010 PMAQI
7th Sep 20257211 PMAQI
8th Sep 20256812 AMAQI
8th Sep 2025661 AMAQI
8th Sep 2025652 AMAQI
8th Sep 2025683 AMAQI
8th Sep 2025694 AMAQI
8th Sep 2025705 AMAQI

27°C24/33°C

8th Sep 2025686 AMAQI
8th Sep 2025697 AMAQI
8th Sep 2025908 AMAQI
8th Sep 2025929 AMAQI
8th Sep 20257910 AMAQI
8th Sep 20258811 AMAQI
8th Sep 20259012 PMAQI
8th Sep 2025821 PMAQI
8th Sep 2025622 PMAQI
8th Sep 2025453 PMAQI
8th Sep 2025594 PMAQI
8th Sep 2025585 PMAQI
8th Sep 2025486 PMAQI
8th Sep 2025537 PMAQI
8th Sep 2025588 PMAQI
8th Sep 2025589 PMAQI
8th Sep 20255910 PMAQI
8th Sep 20256011 PMAQI
9th Sep 20256012 AMAQI
9th Sep 2025651 AMAQI
9th Sep 2025662 AMAQI
9th Sep 2025663 AMAQI
9th Sep 2025664 AMAQI
9th Sep 2025685 AMAQI

27°C24/33°C

9th Sep 2025686 AMAQI
9th Sep 2025677 AMAQI
9th Sep 2025518 AMAQI
9th Sep 2025459 AMAQI
9th Sep 20254410 AMAQI
9th Sep 20254211 AMAQI
9th Sep 20253612 PMAQI
9th Sep 2025331 PMAQI
9th Sep 2025272 PMAQI
9th Sep 2025273 PMAQI
9th Sep 2025284 PMAQI
9th Sep 2025295 PMAQI
9th Sep 2025426 PMAQI
9th Sep 2025447 PMAQI
9th Sep 2025538 PMAQI
9th Sep 2025549 PMAQI
9th Sep 20255510 PMAQI
9th Sep 20255211 PMAQI
10th Sep 20255812 AMAQI
10th Sep 2025621 AMAQI
10th Sep 2025622 AMAQI
10th Sep 2025593 AMAQI
10th Sep 2025584 AMAQI
10th Sep 2025585 AMAQI

26°C24/30°C

10th Sep 2025576 AMAQI
10th Sep 2025597 AMAQI
10th Sep 2025528 AMAQI
10th Sep 2025559 AMAQI
10th Sep 20255110 AMAQI
10th Sep 20254811 AMAQI
10th Sep 20254812 PMAQI
10th Sep 2025471 PMAQI
10th Sep 2025462 PMAQI
10th Sep 2025483 PMAQI
10th Sep 2025394 PMAQI
10th Sep 2025445 PMAQI
10th Sep 2025426 PMAQI
10th Sep 2025477 PMAQI
10th Sep 2025558 PMAQI
10th Sep 2025569 PMAQI
10th Sep 20255410 PMAQI
10th Sep 20255711 PMAQI
11th Sep 20255712 AMAQI
11th Sep 2025591 AMAQI
11th Sep 2025582 AMAQI
11th Sep 2025573 AMAQI
11th Sep 2025584 AMAQI
11th Sep 2025585 AMAQI

27°C23/34°C

11th Sep 2025586 AMAQI
11th Sep 2025587 AMAQI
11th Sep 2025438 AMAQI
11th Sep 2025429 AMAQI
11th Sep 20253610 AMAQI
11th Sep 20254011 AMAQI
11th Sep 20254612 PMAQI
11th Sep 2025431 PMAQI
11th Sep 2025432 PMAQI
11th Sep 2025393 PMAQI
11th Sep 2025324 PMAQI
11th Sep 2025335 PMAQI
11th Sep 2025416 PMAQI
11th Sep 2025487 PMAQI
11th Sep 2025558 PMAQI
11th Sep 2025589 PMAQI
11th Sep 20255610 PMAQI
11th Sep 20255711 PMAQI
12th Sep 20255612 AMAQI
12th Sep 2025581 AMAQI
12th Sep 2025572 AMAQI
12th Sep 2025563 AMAQI
12th Sep 2025564 AMAQI
12th Sep 2025555 AMAQI

28°C24/34°C

12th Sep 2025556 AMAQI
12th Sep 2025557 AMAQI
12th Sep 2025478 AMAQI
12th Sep 2025529 AMAQI
12th Sep 20254910 AMAQI
12th Sep 20254411 AMAQI
12th Sep 20253812 PMAQI
12th Sep 2025371 PMAQI
12th Sep 2025412 PMAQI
12th Sep 2025393 PMAQI
12th Sep 2025404 PMAQI
12th Sep 2025425 PMAQI
12th Sep 2025386 PMAQI
12th Sep 2025517 PMAQI
12th Sep 2025568 PMAQI
12th Sep 2025599 PMAQI
12th Sep 20255810 PMAQI
12th Sep 20255811 PMAQI
13th Sep 20255612 AMAQI
13th Sep 2025561 AMAQI
13th Sep 2025562 AMAQI
13th Sep 2025553 AMAQI
13th Sep 2025544 AMAQI
13th Sep 2025545 AMAQI

29°C24/35°C

13th Sep 2025546 AMAQI
13th Sep 2025547 AMAQI
13th Sep 2025448 AMAQI
13th Sep 2025539 AMAQI
13th Sep 20255210 AMAQI
13th Sep 20255011 AMAQI
13th Sep 20255812 PMAQI
13th Sep 2025541 PMAQI
13th Sep 2025542 PMAQI
13th Sep 2025573 PMAQI
13th Sep 2025524 PMAQI
13th Sep 2025605 PMAQI
13th Sep 2025586 PMAQI
13th Sep 2025597 PMAQI
13th Sep 2025608 PMAQI
13th Sep 2025629 PMAQI
13th Sep 20256310 PMAQI
13th Sep 20256111 PMAQI
14th Sep 20255912 AMAQI
14th Sep 2025541 AMAQI
14th Sep 2025562 AMAQI
14th Sep 2025553 AMAQI
14th Sep 2025554 AMAQI
14th Sep 2025565 AMAQI

29°C24/35°C

14th Sep 2025556 AMAQI
14th Sep 2025567 AMAQI
14th Sep 2025608 AMAQI
14th Sep 2025639 AMAQI
14th Sep 20256610 AMAQI
14th Sep 20256411 AMAQI
14th Sep 20255612 PMAQI
14th Sep 2025541 PMAQI
14th Sep 2025552 PMAQI
14th Sep 2025533 PMAQI
14th Sep 2025544 PMAQI
14th Sep 2025545 PMAQI
14th Sep 2025546 PMAQI
14th Sep 2025567 PMAQI
14th Sep 2025568 PMAQI
14th Sep 2025599 PMAQI
14th Sep 20256510 PMAQI
14th Sep 20256911 PMAQI
15th Sep 20255912 AMAQI
15th Sep 2025561 AMAQI
15th Sep 2025562 AMAQI
15th Sep 2025563 AMAQI
15th Sep 2025564 AMAQI
15th Sep 2025565 AMAQI

29°C25/35°C

15th Sep 2025566 AMAQI
15th Sep 2025567 AMAQI
15th Sep 2025668 AMAQI
15th Sep 2025639 AMAQI
15th Sep 20256210 AMAQI
15th Sep 20256211 AMAQI
15th Sep 20255712 PMAQI
15th Sep 2025511 PMAQI
15th Sep 2025562 PMAQI
15th Sep 2025523 PMAQI
15th Sep 2025524 PMAQI
15th Sep 2025475 PMAQI
15th Sep 2025566 PMAQI
15th Sep 2025537 PMAQI
15th Sep 2025588 PMAQI
15th Sep 2025669 PMAQI
15th Sep 20256410 PMAQI
15th Sep 20256411 PMAQI
16th Sep 20256212 AMAQI
16th Sep 2025561 AMAQI
16th Sep 2025562 AMAQI
16th Sep 2025563 AMAQI
16th Sep 2025584 AMAQI
16th Sep 2025575 AMAQI

29°C24/35°C

16th Sep 2025576 AMAQI
16th Sep 2025577 AMAQI
16th Sep 2025618 AMAQI
16th Sep 2025719 AMAQI
16th Sep 20256010 AMAQI
16th Sep 20255911 AMAQI
16th Sep 20255712 PMAQI
16th Sep 2025551 PMAQI
16th Sep 2025542 PMAQI
16th Sep 2025543 PMAQI
16th Sep 2025524 PMAQI
16th Sep 2025525 PMAQI
16th Sep 2025386 PMAQI
16th Sep 2025477 PMAQI
16th Sep 2025608 PMAQI
16th Sep 2025659 PMAQI
16th Sep 20256610 PMAQI
16th Sep 20256911 PMAQI
17th Sep 20256212 AMAQI
17th Sep 2025571 AMAQI
17th Sep 2025572 AMAQI
17th Sep 2025583 AMAQI
17th Sep 2025584 AMAQI
17th Sep 2025575 AMAQI

30°C25/37°C

17th Sep 2025586 AMAQI
17th Sep 2025577 AMAQI
17th Sep 2025518 AMAQI
17th Sep 2025579 AMAQI
17th Sep 20255410 AMAQI
17th Sep 20254911 AMAQI
17th Sep 20254812 PMAQI
17th Sep 2025461 PMAQI
17th Sep 2025352 PMAQI
17th Sep 2025303 PMAQI
17th Sep 2025334 PMAQI
17th Sep 2025365 PMAQI
17th Sep 2025356 PMAQI
17th Sep 2025467 PMAQI
17th Sep 2025548 PMAQI
17th Sep 2025559 PMAQI
17th Sep 20255510 PMAQI
17th Sep 20255611 PMAQI
18th Sep 20255912 AMAQI
18th Sep 2025581 AMAQI
18th Sep 2025582 AMAQI
18th Sep 2025583 AMAQI
18th Sep 2025564 AMAQI
18th Sep 2025565 AMAQI

30°C24/37°C

18th Sep 2025566 AMAQI
18th Sep 2025567 AMAQI
18th Sep 2025898 AMAQI
18th Sep 2025969 AMAQI
18th Sep 202510210 AMAQI
18th Sep 202511411 AMAQI
18th Sep 202511012 PMAQI
18th Sep 20251101 PMAQI
18th Sep 20251142 PMAQI
18th Sep 20251173 PMAQI
18th Sep 20251004 PMAQI
18th Sep 2025985 PMAQI
18th Sep 2025916 PMAQI
18th Sep 2025917 PMAQI
18th Sep 2025748 PMAQI
18th Sep 2025839 PMAQI
18th Sep 20258210 PMAQI
18th Sep 20258011 PMAQI
19th Sep 20258012 AMAQI
19th Sep 2025571 AMAQI
19th Sep 2025572 AMAQI
19th Sep 2025593 AMAQI
19th Sep 2025674 AMAQI
19th Sep 2025655 AMAQI

24°C22/27°C

19th Sep 2025686 AMAQI
19th Sep 2025687 AMAQI
19th Sep 2025898 AMAQI
19th Sep 2025869 AMAQI
19th Sep 202510210 AMAQI
19th Sep 202512611 AMAQI
19th Sep 202512212 PMAQI
19th Sep 20251021 PMAQI
19th Sep 2025982 PMAQI
19th Sep 2025933 PMAQI
19th Sep 2025834 PMAQI
19th Sep 2025875 PMAQI
19th Sep 2025956 PMAQI
19th Sep 2025887 PMAQI
19th Sep 2025808 PMAQI
19th Sep 2025889 PMAQI
19th Sep 20258210 PMAQI
19th Sep 20257711 PMAQI
20th Sep 20257612 AMAQI
20th Sep 2025631 AMAQI
20th Sep 2025642 AMAQI
20th Sep 2025643 AMAQI
20th Sep 2025704 AMAQI
20th Sep 2025725 AMAQI

24°C21/28°C

20th Sep 2025726 AMAQI
20th Sep 2025727 AMAQI
20th Sep 2025488 AMAQI
20th Sep 2025399 AMAQI
20th Sep 20253610 AMAQI
20th Sep 20254411 AMAQI
20th Sep 20255312 PMAQI
20th Sep 2025581 PMAQI
20th Sep 2025642 PMAQI
20th Sep 2025733 PMAQI
20th Sep 2025864 PMAQI
20th Sep 2025885 PMAQI
20th Sep 2025846 PMAQI
20th Sep 2025817 PMAQI
20th Sep 2025748 PMAQI
20th Sep 2025729 PMAQI
20th Sep 20257110 PMAQI
20th Sep 20257411 PMAQI
21st Sep 20257112 AMAQI
21st Sep 2025641 AMAQI
21st Sep 2025642 AMAQI
21st Sep 2025633 AMAQI
21st Sep 2025634 AMAQI
21st Sep 2025625 AMAQI

20°C19/22°C

21st Sep 2025646 AMAQI
21st Sep 2025647 AMAQI
21st Sep 2025748 AMAQI
21st Sep 2025679 AMAQI
21st Sep 20256610 AMAQI
21st Sep 20256111 AMAQI
21st Sep 20256312 PMAQI
21st Sep 2025581 PMAQI
21st Sep 2025632 PMAQI
21st Sep 2025633 PMAQI
21st Sep 2025624 PMAQI
21st Sep 2025625 PMAQI
21st Sep 2025666 PMAQI
21st Sep 2025707 PMAQI
21st Sep 2025698 PMAQI
21st Sep 2025709 PMAQI
21st Sep 20256810 PMAQI
21st Sep 20256611 PMAQI
22nd Sep 20256612 AMAQI
22nd Sep 2025621 AMAQI
22nd Sep 2025622 AMAQI
22nd Sep 2025633 AMAQI
22nd Sep 2025644 AMAQI
22nd Sep 2025645 AMAQI

20°C19/22°C

22nd Sep 2025636 AMAQI
22nd Sep 2025647 AMAQI
22nd Sep 2025318 AMAQI
22nd Sep 2025309 AMAQI
22nd Sep 20253410 AMAQI
22nd Sep 20254411 AMAQI
22nd Sep 20254512 PMAQI
22nd Sep 2025371 PMAQI
22nd Sep 2025432 PMAQI
22nd Sep 2025463 PMAQI
22nd Sep 2025534 PMAQI
22nd Sep 2025615 PMAQI
22nd Sep 2025596 PMAQI
22nd Sep 2025637 PMAQI
22nd Sep 2025688 PMAQI
22nd Sep 2025749 PMAQI
22nd Sep 20257610 PMAQI
22nd Sep 20257711 PMAQI
23rd Sep 20257312 AMAQI
23rd Sep 2025621 AMAQI
23rd Sep 2025622 AMAQI
23rd Sep 2025613 AMAQI
23rd Sep 2025584 AMAQI
23rd Sep 2025595 AMAQI

21°C19/24°C

23rd Sep 2025596 AMAQI
23rd Sep 2025597 AMAQI
23rd Sep 2025568 AMAQI
23rd Sep 2025549 AMAQI
23rd Sep 20255710 AMAQI
23rd Sep 20257111 AMAQI
23rd Sep 20257012 PMAQI
23rd Sep 2025671 PMAQI
23rd Sep 2025622 PMAQI
23rd Sep 2025643 PMAQI
23rd Sep 2025734 PMAQI
23rd Sep 2025765 PMAQI
23rd Sep 2025766 PMAQI
23rd Sep 2025757 PMAQI
23rd Sep 2025728 PMAQI
23rd Sep 2025749 PMAQI
23rd Sep 20257210 PMAQI
23rd Sep 20256611 PMAQI
24th Sep 20256612 AMAQI
24th Sep 2025601 AMAQI
24th Sep 2025602 AMAQI
24th Sep 2025603 AMAQI
24th Sep 2025624 AMAQI
24th Sep 2025615 AMAQI

22°C20/26°C

24th Sep 2025616 AMAQI
24th Sep 2025627 AMAQI
24th Sep 2025268 AMAQI
24th Sep 2025169 AMAQI
24th Sep 20251610 AMAQI
24th Sep 20251611 AMAQI
24th Sep 20252812 PMAQI
24th Sep 2025421 PMAQI
24th Sep 2025322 PMAQI
24th Sep 2025363 PMAQI
24th Sep 2025424 PMAQI
24th Sep 2025415 PMAQI
24th Sep 2025336 PMAQI
24th Sep 2025387 PMAQI
24th Sep 2025518 PMAQI
24th Sep 2025549 PMAQI
24th Sep 20255410 PMAQI
24th Sep 20255411 PMAQI
25th Sep 20255512 AMAQI
25th Sep 2025601 AMAQI
25th Sep 2025592 AMAQI
25th Sep 2025603 AMAQI
25th Sep 2025554 AMAQI
25th Sep 2025565 AMAQI

19°C18/19°C

25th Sep 2025566 AMAQI
25th Sep 2025567 AMAQI
25th Sep 2025298 AMAQI
25th Sep 2025199 AMAQI
25th Sep 20251710 AMAQI
25th Sep 20251711 AMAQI
25th Sep 20252112 PMAQI
25th Sep 2025201 PMAQI
25th Sep 2025302 PMAQI
25th Sep 2025363 PMAQI
25th Sep 2025474 PMAQI
25th Sep 2025515 PMAQI
25th Sep 2025546 PMAQI
25th Sep 2025567 PMAQI
25th Sep 2025608 PMAQI
25th Sep 2025589 PMAQI
25th Sep 20255510 PMAQI
25th Sep 20255011 PMAQI
26th Sep 20254512 AMAQI
26th Sep 2025441 AMAQI
26th Sep 2025372 AMAQI
26th Sep 2025323 AMAQI
26th Sep 2025284 AMAQI
26th Sep 2025295 AMAQI

20°C19/21°C

26th Sep 2025326 AMAQI
26th Sep 2025317 AMAQI
26th Sep 2025378 AMAQI
26th Sep 2025369 AMAQI
26th Sep 20254210 AMAQI
26th Sep 20254811 AMAQI
26th Sep 20255312 PMAQI
26th Sep 2025541 PMAQI
26th Sep 2025532 PMAQI
26th Sep 2025463 PMAQI
26th Sep 2025464 PMAQI
26th Sep 2025515 PMAQI
26th Sep 2025566 PMAQI
26th Sep 2025567 PMAQI
26th Sep 2025638 PMAQI
26th Sep 2025789 PMAQI
26th Sep 20257810 PMAQI
26th Sep 20257111 PMAQI
27th Sep 20256512 AMAQI
27th Sep 2025651 AMAQI
27th Sep 2025682 AMAQI
27th Sep 2025663 AMAQI
27th Sep 2025664 AMAQI
27th Sep 2025665 AMAQI

22°C19/26°C

27th Sep 2025666 AMAQI
27th Sep 2025667 AMAQI
27th Sep 2025678 AMAQI
27th Sep 2025689 AMAQI
27th Sep 20256810 AMAQI
27th Sep 20256011 AMAQI
27th Sep 20255012 PMAQI
27th Sep 2025461 PMAQI
27th Sep 2025442 PMAQI
27th Sep 2025443 PMAQI
27th Sep 2025474 PMAQI
27th Sep 2025535 PMAQI
27th Sep 2025536 PMAQI
27th Sep 2025547 PMAQI
27th Sep 2025598 PMAQI
27th Sep 2025629 PMAQI
27th Sep 20256710 PMAQI
27th Sep 20256811 PMAQI
28th Sep 20256812 AMAQI
28th Sep 2025671 AMAQI
28th Sep 2025662 AMAQI
28th Sep 2025653 AMAQI
28th Sep 2025654 AMAQI
28th Sep 2025665 AMAQI

25°C21/30°C

28th Sep 2025656 AMAQI
28th Sep 2025657 AMAQI
28th Sep 2025668 AMAQI
28th Sep 2025679 AMAQI
28th Sep 20256910 AMAQI
28th Sep 20257011 AMAQI
28th Sep 20256612 PMAQI
28th Sep 2025571 PMAQI
28th Sep 2025562 PMAQI
28th Sep 2025553 PMAQI
28th Sep 2025544 PMAQI
28th Sep 2025535 PMAQI
28th Sep 2025546 PMAQI
28th Sep 2025587 PMAQI
28th Sep 2025618 PMAQI
28th Sep 2025629 PMAQI
28th Sep 20256710 PMAQI
28th Sep 20256811 PMAQI
29th Sep 20257212 AMAQI
29th Sep 2025901 AMAQI
29th Sep 20251042 AMAQI
29th Sep 20251013 AMAQI
29th Sep 2025994 AMAQI
29th Sep 2025995 AMAQI

27°C22/33°C

29th Sep 2025976 AMAQI
29th Sep 2025927 AMAQI
29th Sep 2025938 AMAQI
29th Sep 2025849 AMAQI
29th Sep 20257910 AMAQI
29th Sep 20256911 AMAQI
29th Sep 20257412 PMAQI
29th Sep 2025821 PMAQI
29th Sep 2025812 PMAQI
29th Sep 2025823 PMAQI
29th Sep 2025874 PMAQI
29th Sep 2025805 PMAQI
29th Sep 2025756 PMAQI
29th Sep 2025997 PMAQI
29th Sep 20251118 PMAQI
29th Sep 2025949 PMAQI
29th Sep 20259810 PMAQI
29th Sep 202511811 PMAQI
30th Sep 202513712 AMAQI
30th Sep 20251391 AMAQI
30th Sep 20251402 AMAQI
30th Sep 20251303 AMAQI
30th Sep 20251384 AMAQI
30th Sep 20251585 AMAQI

27°C24/31°C

30th Sep 20251496 AMAQI
30th Sep 20251397 AMAQI
30th Sep 20251368 AMAQI
30th Sep 20251249 AMAQI
30th Sep 20259710 AMAQI
30th Sep 20259511 AMAQI
30th Sep 20258712 PMAQI
30th Sep 2025901 PMAQI
30th Sep 2025902 PMAQI
30th Sep 2025813 PMAQI
30th Sep 2025854 PMAQI
30th Sep 2025905 PMAQI
30th Sep 2025856 PMAQI
30th Sep 2025857 PMAQI
30th Sep 2025988 PMAQI
30th Sep 2025959 PMAQI
30th Sep 202511010 PMAQI
30th Sep 202511611 PMAQI
1st Oct 202511812 AMAQI
1st Oct 20251371 AMAQI
1st Oct 20251302 AMAQI
1st Oct 20251283 AMAQI
1st Oct 20251204 AMAQI
1st Oct 20251235 AMAQI

26°C23/30°C

1st Oct 20251106 AMAQI
1st Oct 20251167 AMAQI
1st Oct 20251088 AMAQI
1st Oct 20251179 AMAQI
1st Oct 20259910 AMAQI
1st Oct 202512711 AMAQI
1st Oct 202515112 PMAQI
1st Oct 20251501 PMAQI
1st Oct 20251502 PMAQI
1st Oct 20251473 PMAQI
1st Oct 20251304 PMAQI
1st Oct 20251215 PMAQI
1st Oct 20251146 PMAQI
1st Oct 2025867 PMAQI
1st Oct 20251018 PMAQI
1st Oct 20251089 PMAQI
1st Oct 202510810 PMAQI
1st Oct 202511411 PMAQI
2nd Oct 202514112 AMAQI
2nd Oct 20251491 AMAQI
2nd Oct 20251252 AMAQI
2nd Oct 20251113 AMAQI
2nd Oct 20251094 AMAQI
2nd Oct 2025855 AMAQI

28°C23/34°C

2nd Oct 2025786 AMAQI
2nd Oct 2025747 AMAQI
2nd Oct 2025728 AMAQI
2nd Oct 2025699 AMAQI
2nd Oct 20256610 AMAQI
2nd Oct 20256411 AMAQI
2nd Oct 20256112 PMAQI
2nd Oct 2025601 PMAQI
2nd Oct 2025582 PMAQI
2nd Oct 2025623 PMAQI
2nd Oct 2025634 PMAQI
2nd Oct 2025605 PMAQI
2nd Oct 2025646 PMAQI
2nd Oct 2025667 PMAQI
2nd Oct 2025788 PMAQI
2nd Oct 2025819 PMAQI
2nd Oct 20258310 PMAQI
2nd Oct 20259411 PMAQI
3rd Oct 20259912 AMAQI
3rd Oct 2025891 AMAQI
3rd Oct 2025882 AMAQI
3rd Oct 2025843 AMAQI
3rd Oct 2025784 AMAQI
3rd Oct 2025785 AMAQI

28°C24/35°C

3rd Oct 2025786 AMAQI
3rd Oct 2025797 AMAQI
3rd Oct 2025788 AMAQI
3rd Oct 2025829 AMAQI
3rd Oct 20256610 AMAQI
3rd Oct 20255911 AMAQI
3rd Oct 20255312 PMAQI
3rd Oct 2025501 PMAQI
3rd Oct 2025532 PMAQI
3rd Oct 2025543 PMAQI
3rd Oct 2025534 PMAQI
3rd Oct 2025535 PMAQI
3rd Oct 2025556 PMAQI
3rd Oct 2025487 PMAQI
3rd Oct 2025678 PMAQI
3rd Oct 2025699 PMAQI
3rd Oct 20258010 PMAQI
3rd Oct 20258911 PMAQI
4th Oct 202510512 AMAQI
4th Oct 20251161 AMAQI
4th Oct 20251202 AMAQI
4th Oct 20251353 AMAQI
4th Oct 20251444 AMAQI
4th Oct 20251505 AMAQI

29°C23/35°C

4th Oct 20251446 AMAQI
6 AM
4th Oct 20251457 AMAQI
4th Oct 20251448 AMAQI
4th Oct 20251509 AMAQI
4th Oct 202515010 AMAQI
4th Oct 202515111 AMAQI
4th Oct 202513212 PMAQI
12 PM
4th Oct 20251181 PMAQI
4th Oct 2025952 PMAQI
4th Oct 2025903 PMAQI
4th Oct 2025804 PMAQI
4th Oct 2025775 PMAQI
4th Oct 2025806 PMAQI
6 PM
4th Oct 2025857 PMAQI
4th Oct 20251088 PMAQI
4th Oct 20251179 PMAQI
12 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
6 AM - 9 AM

69AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
1 PM - 6 PM

62AQI

6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 9 AM (Avg. 69), while the lowest AQI was between 1 PM to 6 PM (Avg. 62).
Night time
Avg. Highest Time
12 AM - 5 AM

71AQI

6 hours / Day
180 hours / Month
Avg. Lowest Time
7 PM

63AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 5 AM (Avg. 71), while the lowest AQI was between 7 PM to 7 PM (Avg. 63).

2025 Days Vs Air Quality

City Environmental Monitoring Station, Yongzhou, Hunan, China

2025

11%

31

61%

168

20%

54

7%

19

1%

3

0.3%

1

Total number of days with different AQI categories in last 277 days in 2025 (88 days remaining)

Good
31 Days
Moderate
168 Days
Poor
54 Days
Unhealthy
19 Days
Severe
3 Days
Hazardous
1 Days

Under WHO’s Safe Air Quality Limits: 11%

Health Risk Level:

Extreme

In 2025, 11% of 277 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 Environmental Monitoring Station, Yongzhou, 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.

-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
167AQI
2nd January 2025
164AQI
3rd January 2025
170AQI
4th January 2025
178AQI
5th January 2025
186AQI
6th January 2025
159AQI
7th January 2025
166AQI
8th January 2025
156AQI
9th January 2025
123AQI
10th January 2025
113AQI
11th January 2025
119AQI
12th January 2025
124AQI
13th January 2025
118AQI
14th January 2025
131AQI
15th January 2025
125AQI
16th January 2025
121AQI
17th January 2025
131AQI
18th January 2025
144AQI
19th January 2025
142AQI
20th January 2025
158AQI
21st January 2025
155AQI
22nd January 2025
169AQI
23rd January 2025
171AQI
24th January 2025
233AQI
25th January 2025
88AQI
26th January 2025
100AQI
27th January 2025
87AQI
28th January 2025
123AQI
29th January 2025
225AQI
30th January 2025
154AQI
31st January 2025
153AQI
1st February 2025
99AQI
2nd February 2025
91AQI
3rd February 2025
116AQI
4th February 2025
104AQI
5th February 2025
125AQI
6th February 2025
116AQI
7th February 2025
105AQI
8th February 2025
73AQI
9th February 2025
86AQI
10th February 2025
99AQI
11th February 2025
118AQI
12th February 2025
122AQI
13th February 2025
147AQI
14th February 2025
155AQI
15th February 2025
154AQI
16th February 2025
104AQI
17th February 2025
111AQI
18th February 2025
97AQI
19th February 2025
77AQI
20th February 2025
63AQI
21st February 2025
132AQI
22nd February 2025
57AQI
23rd February 2025
117AQI
24th February 2025
129AQI
25th February 2025
148AQI
26th February 2025
142AQI
27th February 2025
97AQI
28th February 2025
104AQI
1st March 2025
79AQI
2nd March 2025
81AQI
3rd March 2025
57AQI
4th March 2025
63AQI
5th March 2025
58AQI
6th March 2025
85AQI
7th March 2025
94AQI
8th March 2025
101AQI
9th March 2025
115AQI
10th March 2025
88AQI
11th March 2025
90AQI
12th March 2025
94AQI
13th March 2025
108AQI
14th March 2025
72AQI
15th March 2025
68AQI
16th March 2025
76AQI
17th March 2025
71AQI
18th March 2025
77AQI
19th March 2025
84AQI
20th March 2025
90AQI
21st March 2025
94AQI
22nd March 2025
110AQI
23rd March 2025
133AQI
24th March 2025
132AQI
25th March 2025
148AQI
26th March 2025
145AQI
27th March 2025
143AQI
28th March 2025
101AQI
29th March 2025
95AQI
30th March 2025
62AQI
31st March 2025
88AQI
1st April 2025
86AQI
2nd April 2025
92AQI
3rd April 2025
106AQI
4th April 2025
143AQI
5th April 2025
143AQI
6th April 2025
153AQI
7th April 2025
152AQI
8th April 2025
148AQI
9th April 2025
148AQI
10th April 2025
106AQI
11th April 2025
123AQI
12th April 2025
429AQI
13th April 2025
216AQI
14th April 2025
164AQI
15th April 2025
143AQI
16th April 2025
141AQI
17th April 2025
128AQI
18th April 2025
128AQI
19th April 2025
83AQI
20th April 2025
87AQI
21st April 2025
77AQI
22nd April 2025
77AQI
23rd April 2025
85AQI
24th April 2025
75AQI
25th April 2025
75AQI
26th April 2025
82AQI
27th April 2025
60AQI
28th April 2025
83AQI
29th April 2025
89AQI
30th April 2025
105AQI
1st May 2025
86AQI
2nd May 2025
88AQI
3rd May 2025
89AQI
4th May 2025
98AQI
5th May 2025
75AQI
6th May 2025
96AQI
7th May 2025
103AQI
8th May 2025
78AQI
9th May 2025
71AQI
10th May 2025
84AQI
11th May 2025
77AQI
12th May 2025
76AQI
13th May 2025
79AQI
14th May 2025
83AQI
15th May 2025
116AQI
16th May 2025
68AQI
17th May 2025
81AQI
18th May 2025
65AQI
19th May 2025
60AQI
20th May 2025
54AQI
21st May 2025
59AQI
22nd May 2025
57AQI
23rd May 2025
69AQI
24th May 2025
97AQI
25th May 2025
98AQI
26th May 2025
83AQI
27th May 2025
82AQI
28th May 2025
54AQI
29th May 2025
61AQI
30th May 2025
60AQI
31st May 2025
51AQI
1st June 2025
58AQI
2nd June 2025
55AQI
3rd June 2025
73AQI
4th June 2025
82AQI
5th June 2025
81AQI
6th June 2025
78AQI
7th June 2025
67AQI
8th June 2025
57AQI
9th June 2025
74AQI
10th June 2025
85AQI
11th June 2025
80AQI
12th June 2025
71AQI
13th June 2025
71AQI
14th June 2025
56AQI
15th June 2025
56AQI
16th June 2025
56AQI
17th June 2025
46AQI
18th June 2025
41AQI
19th June 2025
40AQI
20th June 2025
46AQI
21st June 2025
48AQI
22nd June 2025
47AQI
23rd June 2025
51AQI
24th June 2025
46AQI
25th June 2025
52AQI
26th June 2025
54AQI
27th June 2025
47AQI
28th June 2025
45AQI
29th June 2025
48AQI
30th June 2025
46AQI
1st July 2025
37AQI
2nd July 2025
31AQI
3rd July 2025
36AQI
4th July 2025
46AQI
5th July 2025
53AQI
6th July 2025
65AQI
7th July 2025
67AQI
8th July 2025
64AQI
9th July 2025
72AQI
10th July 2025
56AQI
11th July 2025
62AQI
12th July 2025
63AQI
13th July 2025
63AQI
14th July 2025
60AQI
15th July 2025
57AQI
16th July 2025
56AQI
17th July 2025
57AQI
18th July 2025
66AQI
19th July 2025
66AQI
20th July 2025
58AQI
21st July 2025
49AQI
22nd July 2025
48AQI
23rd July 2025
53AQI
24th July 2025
54AQI
25th July 2025
59AQI
26th July 2025
59AQI
27th July 2025
62AQI
28th July 2025
59AQI
29th July 2025
60AQI
30th July 2025
62AQI
31st July 2025
60AQI
1st August 2025
62AQI
2nd August 2025
62AQI
3rd August 2025
57AQI
4th August 2025
61AQI
5th August 2025
61AQI
6th August 2025
46AQI
7th August 2025
47AQI
8th August 2025
52AQI
9th August 2025
56AQI
10th August 2025
59AQI
11th August 2025
61AQI
12th August 2025
63AQI
13th August 2025
64AQI
14th August 2025
61AQI
15th August 2025
44AQI
16th August 2025
49AQI
17th August 2025
54AQI
18th August 2025
51AQI
19th August 2025
41AQI
20th August 2025
45AQI
21st August 2025
45AQI
22nd August 2025
48AQI
23rd August 2025
53AQI
24th August 2025
54AQI
25th August 2025
50AQI
26th August 2025
50AQI
27th August 2025
55AQI
28th August 2025
57AQI
29th August 2025
56AQI
30th August 2025
54AQI
31st August 2025
58AQI
1st September 2025
58AQI
2nd September 2025
58AQI
3rd September 2025
59AQI
4th September 2025
62AQI
5th September 2025
71AQI
6th September 2025
70AQI
7th September 2025
73AQI
8th September 2025
66AQI
9th September 2025
51AQI
10th September 2025
53AQI
11th September 2025
50AQI
12th September 2025
51AQI
13th September 2025
56AQI
14th September 2025
58AQI
15th September 2025
58AQI
16th September 2025
57AQI
17th September 2025
51AQI
18th September 2025
81AQI
19th September 2025
82AQI
20th September 2025
68AQI
21st September 2025
65AQI
22nd September 2025
58AQI
23rd September 2025
66AQI
24th September 2025
47AQI
25th September 2025
48AQI
26th September 2025
48AQI
27th September 2025
61AQI
28th September 2025
64AQI
29th September 2025
88AQI
30th September 2025
116AQI
1st October 2025
121AQI
2nd October 2025
92AQI
3rd October 2025
85AQI
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025

147AQI

110AQI

94AQI

124AQI

77AQI

59AQI

57AQI

54AQI

63AQI

99AQI

No. of days

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

202587AQI

3
12
14
2
10
16
2
21
10
13
12
3
1
1
29
2
11
19
6
25
10
21
4
25
1
2
1
31
168
54
19
3
1

Highest AQI recorded in

January

147AQI

Lowest AQI recorded in

August

54AQI

202492AQI

2
3
13
12
1
2
16
6
4
1
1
17
11
2
1
19
10
5
16
10
16
13
1
19
11
1
8
23
24
6
2
11
17
1
3
8
13
6
2
16
13
59
163
104
38
2

Highest AQI recorded in

December

139AQI

Lowest AQI recorded in

July

45AQI

202398AQI

5
12
14
5
14
9
11
16
4
6
15
9
2
22
7
8
16
6
4
27
2
26
3
5
17
8
1
11
19
1
4
16
5
1
9
15
3
3
30
168
125
35
3

Highest AQI recorded in

January

138AQI

Lowest AQI recorded in

July

61AQI

202294AQI

12
8
11
9
12
2
16
12
1
2
11
4
2
22
6
1
15
13
2
14
7
1
16
12
3
10
18
2
18
10
2
18
11
40
137
102
24

Highest AQI recorded in

December

137AQI

Lowest AQI recorded in

July

48AQI

202190AQI

2
16
13
1
14
11
2
17
14
5
23
2
7
23
1
10
19
1
9
22
6
15
5
22
3
4
16
10
15
13
2
4
17
10
47
192
88
27

Highest AQI recorded in

January

148AQI

Lowest AQI recorded in

July

54AQI

202082AQI

4
7
2
2
9
10
3
14
1
29
1
25
6
21
9
1
7
13
10
4
12
13
2
2
8
15
5
3
11
16
1
97
82
63
23
1

Highest AQI recorded in

December

151AQI

Lowest AQI recorded in

June

39AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
98AQI
Least Polluted Year Recorded
2020(Avg.)
82AQI

City Environmental Monitoring Station's annual 2025 AQI (87) shows an average percentage change of -3.9% (improved AQI) compared to previous years: 2020 (82), 2021 (90), 2022 (94), 2023 (98), 2024 (92).