Haikou, Hainan, 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+
November Air Quality Analysis
Haikou, Hainan, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
27th Nov 2023
118AQILowest AQI recorded on
22nd Nov 2022
20AQISame Day Analysis (17th November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 62 of Moderate air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 17th Nov - 18th Nov 2025
Haikou, Hainan, China
AQI
Day
Night
.
6 AM17th Nov 2025
6 PM
5 AM18th Nov 2025
Day time
Avg. Highest Time
1PM17th Nov
68AQI
Avg. Lowest Time
8AM17th Nov
56AQI
Night time
Avg. Highest Time
5AM18th Nov
74AQI
Avg. Lowest Time
6PM17th Nov
66AQI
In the last 24 hours,
Haikou's AQI reached its highest point of 74 at 5 AM during the Night, while the lowest point, 56, was recorded at 8 AM during the Day between 17th Nov and 18th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Haikou, Hainan, China
OctNov
19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th
Day
Night
19th Oct 2025706 AMAQI
19th Oct 2025687 AMAQI
19th Oct 2025708 AMAQI
19th Oct 2025699 AMAQI
19th Oct 20256910 AMAQI
19th Oct 20256911 AMAQI
19th Oct 20256712 PMAQI
19th Oct 2025631 PMAQI
19th Oct 2025612 PMAQI
19th Oct 2025593 PMAQI
19th Oct 2025584 PMAQI
19th Oct 2025605 PMAQI
19th Oct 2025686 PMAQI
19th Oct 2025827 PMAQI
19th Oct 2025918 PMAQI
19th Oct 2025959 PMAQI
19th Oct 202510110 PMAQI
19th Oct 202511711 PMAQI
20th Oct 202510712 AMAQI
20th Oct 20251001 AMAQI
20th Oct 2025922 AMAQI
20th Oct 2025833 AMAQI
20th Oct 2025784 AMAQI
20th Oct 2025715 AMAQI
27°C26/29°C
20th Oct 2025656 AMAQI
20th Oct 2025627 AMAQI
20th Oct 2025608 AMAQI
20th Oct 2025589 AMAQI
20th Oct 20255810 AMAQI
20th Oct 20255911 AMAQI
20th Oct 20255912 PMAQI
20th Oct 2025591 PMAQI
20th Oct 2025582 PMAQI
20th Oct 2025583 PMAQI
20th Oct 2025564 PMAQI
20th Oct 2025555 PMAQI
20th Oct 2025556 PMAQI
20th Oct 2025567 PMAQI
20th Oct 2025558 PMAQI
20th Oct 2025569 PMAQI
20th Oct 20255710 PMAQI
20th Oct 20255611 PMAQI
21st Oct 20255712 AMAQI
21st Oct 2025571 AMAQI
21st Oct 2025562 AMAQI
21st Oct 2025563 AMAQI
21st Oct 2025554 AMAQI
21st Oct 2025555 AMAQI
27°C26/27°C
21st Oct 2025556 AMAQI
21st Oct 2025547 AMAQI
21st Oct 2025548 AMAQI
21st Oct 2025549 AMAQI
21st Oct 20255410 AMAQI
21st Oct 20255411 AMAQI
21st Oct 20255412 PMAQI
21st Oct 2025541 PMAQI
21st Oct 2025522 PMAQI
21st Oct 2025533 PMAQI
21st Oct 2025544 PMAQI
21st Oct 2025545 PMAQI
21st Oct 2025536 PMAQI
21st Oct 2025517 PMAQI
21st Oct 2025518 PMAQI
21st Oct 2025529 PMAQI
21st Oct 20254410 PMAQI
21st Oct 20254611 PMAQI
22nd Oct 20254612 AMAQI
22nd Oct 2025461 AMAQI
22nd Oct 2025482 AMAQI
22nd Oct 2025463 AMAQI
22nd Oct 2025404 AMAQI
22nd Oct 2025395 AMAQI
24°C23/24°C
22nd Oct 2025376 AMAQI
22nd Oct 2025377 AMAQI
22nd Oct 2025368 AMAQI
22nd Oct 2025339 AMAQI
22nd Oct 20253210 AMAQI
22nd Oct 20253311 AMAQI
22nd Oct 20253412 PMAQI
22nd Oct 2025391 PMAQI
22nd Oct 2025402 PMAQI
22nd Oct 2025413 PMAQI
22nd Oct 2025434 PMAQI
22nd Oct 2025485 PMAQI
22nd Oct 2025506 PMAQI
22nd Oct 2025487 PMAQI
22nd Oct 2025488 PMAQI
22nd Oct 2025479 PMAQI
22nd Oct 20254610 PMAQI
22nd Oct 20254311 PMAQI
23rd Oct 20254112 AMAQI
23rd Oct 2025421 AMAQI
23rd Oct 2025442 AMAQI
23rd Oct 2025463 AMAQI
23rd Oct 2025474 AMAQI
23rd Oct 2025495 AMAQI
21°C21/21°C
23rd Oct 2025486 AMAQI
23rd Oct 2025477 AMAQI
23rd Oct 2025448 AMAQI
23rd Oct 2025449 AMAQI
23rd Oct 20254510 AMAQI
23rd Oct 20254711 AMAQI
23rd Oct 20255012 PMAQI
23rd Oct 2025511 PMAQI
23rd Oct 2025522 PMAQI
23rd Oct 2025533 PMAQI
23rd Oct 2025544 PMAQI
23rd Oct 2025545 PMAQI
23rd Oct 2025556 PMAQI
23rd Oct 2025567 PMAQI
23rd Oct 2025588 PMAQI
23rd Oct 2025659 PMAQI
23rd Oct 20256610 PMAQI
23rd Oct 20256711 PMAQI
24th Oct 20256712 AMAQI
24th Oct 2025661 AMAQI
24th Oct 2025652 AMAQI
24th Oct 2025653 AMAQI
24th Oct 2025624 AMAQI
24th Oct 2025615 AMAQI
22°C21/22°C
24th Oct 2025606 AMAQI
24th Oct 2025597 AMAQI
24th Oct 2025588 AMAQI
24th Oct 2025579 AMAQI
24th Oct 20255810 AMAQI
24th Oct 20255911 AMAQI
24th Oct 20256112 PMAQI
24th Oct 2025641 PMAQI
24th Oct 2025652 PMAQI
24th Oct 2025663 PMAQI
24th Oct 2025684 PMAQI
24th Oct 2025675 PMAQI
24th Oct 2025666 PMAQI
24th Oct 2025667 PMAQI
24th Oct 2025678 PMAQI
24th Oct 2025689 PMAQI
24th Oct 20256810 PMAQI
24th Oct 20256911 PMAQI
25th Oct 20256912 AMAQI
25th Oct 2025701 AMAQI
25th Oct 2025722 AMAQI
25th Oct 2025723 AMAQI
25th Oct 2025744 AMAQI
25th Oct 2025735 AMAQI
23°C22/24°C
25th Oct 2025726 AMAQI
25th Oct 2025727 AMAQI
25th Oct 2025738 AMAQI
25th Oct 2025729 AMAQI
25th Oct 20257210 AMAQI
25th Oct 20257211 AMAQI
25th Oct 20257412 PMAQI
25th Oct 2025751 PMAQI
25th Oct 2025762 PMAQI
25th Oct 2025773 PMAQI
25th Oct 2025774 PMAQI
25th Oct 2025785 PMAQI
25th Oct 2025796 PMAQI
25th Oct 2025807 PMAQI
25th Oct 2025798 PMAQI
25th Oct 2025799 PMAQI
25th Oct 20257910 PMAQI
25th Oct 20258011 PMAQI
26th Oct 20257912 AMAQI
26th Oct 2025791 AMAQI
26th Oct 2025782 AMAQI
26th Oct 2025783 AMAQI
26th Oct 2025794 AMAQI
26th Oct 2025795 AMAQI
24°C24/25°C
26th Oct 2025806 AMAQI
26th Oct 2025797 AMAQI
26th Oct 2025768 AMAQI
26th Oct 2025799 AMAQI
26th Oct 20258610 AMAQI
26th Oct 20258211 AMAQI
26th Oct 20257512 PMAQI
26th Oct 2025711 PMAQI
26th Oct 2025722 PMAQI
26th Oct 2025733 PMAQI
26th Oct 2025744 PMAQI
26th Oct 2025755 PMAQI
26th Oct 2025786 PMAQI
26th Oct 2025817 PMAQI
26th Oct 2025828 PMAQI
26th Oct 2025839 PMAQI
26th Oct 20258310 PMAQI
26th Oct 20258111 PMAQI
27th Oct 20257912 AMAQI
27th Oct 2025801 AMAQI
27th Oct 2025812 AMAQI
27th Oct 2025853 AMAQI
27th Oct 2025884 AMAQI
27th Oct 2025915 AMAQI
26°C25/26°C
27th Oct 2025906 AMAQI
27th Oct 2025897 AMAQI
27th Oct 2025918 AMAQI
27th Oct 2025929 AMAQI
27th Oct 20259110 AMAQI
27th Oct 20259011 AMAQI
27th Oct 20258912 PMAQI
27th Oct 2025881 PMAQI
27th Oct 2025862 PMAQI
27th Oct 2025823 PMAQI
27th Oct 2025804 PMAQI
27th Oct 2025785 PMAQI
27th Oct 2025756 PMAQI
27th Oct 2025697 PMAQI
27th Oct 2025578 PMAQI
27th Oct 2025479 PMAQI
27th Oct 20254610 PMAQI
27th Oct 20254711 PMAQI
28th Oct 20254512 AMAQI
28th Oct 2025451 AMAQI
28th Oct 2025562 AMAQI
28th Oct 2025583 AMAQI
28th Oct 2025654 AMAQI
28th Oct 2025815 AMAQI
24°C23/25°C
28th Oct 2025906 AMAQI
28th Oct 2025917 AMAQI
28th Oct 2025908 AMAQI
28th Oct 2025909 AMAQI
28th Oct 20258810 AMAQI
28th Oct 20258111 AMAQI
28th Oct 20257912 PMAQI
28th Oct 2025801 PMAQI
28th Oct 2025822 PMAQI
28th Oct 2025803 PMAQI
28th Oct 2025774 PMAQI
28th Oct 2025765 PMAQI
28th Oct 2025776 PMAQI
28th Oct 2025797 PMAQI
28th Oct 2025828 PMAQI
28th Oct 2025839 PMAQI
28th Oct 20258410 PMAQI
28th Oct 20258311 PMAQI
29th Oct 20258512 AMAQI
29th Oct 2025891 AMAQI
29th Oct 2025922 AMAQI
29th Oct 2025963 AMAQI
29th Oct 20251014 AMAQI
29th Oct 2025985 AMAQI
24°C23/24°C
29th Oct 2025946 AMAQI
29th Oct 2025897 AMAQI
29th Oct 2025918 AMAQI
29th Oct 2025929 AMAQI
29th Oct 20259510 AMAQI
29th Oct 20259511 AMAQI
29th Oct 20259212 PMAQI
29th Oct 2025911 PMAQI
29th Oct 2025892 PMAQI
29th Oct 2025833 PMAQI
29th Oct 2025784 PMAQI
29th Oct 2025725 PMAQI
29th Oct 2025646 PMAQI
29th Oct 2025557 PMAQI
29th Oct 2025508 PMAQI
29th Oct 2025459 PMAQI
29th Oct 20253610 PMAQI
29th Oct 20253311 PMAQI
30th Oct 20253312 AMAQI
30th Oct 2025321 AMAQI
30th Oct 2025322 AMAQI
30th Oct 2025283 AMAQI
30th Oct 2025284 AMAQI
30th Oct 2025315 AMAQI
25°C24/25°C
30th Oct 2025296 AMAQI
30th Oct 2025297 AMAQI
30th Oct 2025288 AMAQI
30th Oct 2025289 AMAQI
30th Oct 20253010 AMAQI
30th Oct 20253011 AMAQI
30th Oct 20253512 PMAQI
30th Oct 2025421 PMAQI
30th Oct 2025462 PMAQI
30th Oct 2025483 PMAQI
30th Oct 2025524 PMAQI
30th Oct 2025525 PMAQI
30th Oct 2025516 PMAQI
30th Oct 2025517 PMAQI
30th Oct 2025528 PMAQI
30th Oct 2025539 PMAQI
30th Oct 20255310 PMAQI
30th Oct 20255311 PMAQI
31st Oct 20255312 AMAQI
31st Oct 2025541 AMAQI
31st Oct 2025532 AMAQI
31st Oct 2025523 AMAQI
31st Oct 2025524 AMAQI
31st Oct 2025495 AMAQI
25°C25/26°C
31st Oct 2025566 AMAQI
31st Oct 2025687 AMAQI
31st Oct 2025808 AMAQI
31st Oct 2025929 AMAQI
31st Oct 202510710 AMAQI
31st Oct 202511111 AMAQI
31st Oct 202511212 PMAQI
31st Oct 20251151 PMAQI
31st Oct 20251052 PMAQI
31st Oct 2025993 PMAQI
31st Oct 2025894 PMAQI
31st Oct 2025825 PMAQI
31st Oct 2025786 PMAQI
31st Oct 2025757 PMAQI
31st Oct 2025758 PMAQI
31st Oct 2025779 PMAQI
31st Oct 20257910 PMAQI
31st Oct 20258111 PMAQI
1st Nov 20258512 AMAQI
1st Nov 2025881 AMAQI
1st Nov 2025922 AMAQI
1st Nov 2025973 AMAQI
1st Nov 20251004 AMAQI
1st Nov 2025975 AMAQI
26°C25/27°C
1st Nov 2025886 AMAQI
1st Nov 2025847 AMAQI
1st Nov 2025748 AMAQI
1st Nov 2025679 AMAQI
1st Nov 20256510 AMAQI
1st Nov 20256411 AMAQI
1st Nov 20256512 PMAQI
1st Nov 2025661 PMAQI
1st Nov 2025672 PMAQI
1st Nov 2025693 PMAQI
1st Nov 2025694 PMAQI
1st Nov 2025695 PMAQI
1st Nov 2025706 PMAQI
1st Nov 2025717 PMAQI
1st Nov 2025738 PMAQI
1st Nov 2025739 PMAQI
1st Nov 20257310 PMAQI
1st Nov 20257311 PMAQI
2nd Nov 20257312 AMAQI
2nd Nov 2025721 AMAQI
2nd Nov 2025722 AMAQI
2nd Nov 2025703 AMAQI
2nd Nov 2025674 AMAQI
2nd Nov 2025675 AMAQI
25°C24/26°C
2nd Nov 2025676 AMAQI
2nd Nov 2025737 AMAQI
2nd Nov 2025778 AMAQI
2nd Nov 2025809 AMAQI
2nd Nov 20258210 AMAQI
2nd Nov 20257911 AMAQI
2nd Nov 20257812 PMAQI
2nd Nov 2025781 PMAQI
2nd Nov 2025802 PMAQI
2nd Nov 2025833 PMAQI
2nd Nov 2025914 PMAQI
2nd Nov 2025995 PMAQI
2nd Nov 2025976 PMAQI
2nd Nov 2025967 PMAQI
2nd Nov 2025928 PMAQI
2nd Nov 2025879 PMAQI
2nd Nov 20257910 PMAQI
2nd Nov 20257411 PMAQI
3rd Nov 20256912 AMAQI
3rd Nov 2025641 AMAQI
3rd Nov 2025662 AMAQI
3rd Nov 2025743 AMAQI
3rd Nov 2025774 AMAQI
3rd Nov 2025775 AMAQI
25°C24/26°C
3rd Nov 2025826 AMAQI
3rd Nov 2025807 AMAQI
3rd Nov 2025798 AMAQI
3rd Nov 2025779 AMAQI
3rd Nov 20257510 AMAQI
3rd Nov 20257411 AMAQI
3rd Nov 20257312 PMAQI
3rd Nov 2025741 PMAQI
3rd Nov 2025762 PMAQI
3rd Nov 2025793 PMAQI
3rd Nov 2025794 PMAQI
3rd Nov 2025805 PMAQI
3rd Nov 2025826 PMAQI
3rd Nov 2025797 PMAQI
3rd Nov 2025818 PMAQI
3rd Nov 2025829 PMAQI
3rd Nov 20258110 PMAQI
3rd Nov 20258011 PMAQI
4th Nov 20258012 AMAQI
4th Nov 2025781 AMAQI
4th Nov 2025782 AMAQI
4th Nov 2025773 AMAQI
4th Nov 2025754 AMAQI
4th Nov 2025715 AMAQI
24°C23/24°C
4th Nov 2025706 AMAQI
4th Nov 2025667 AMAQI
4th Nov 2025638 AMAQI
4th Nov 2025629 AMAQI
4th Nov 20255610 AMAQI
4th Nov 20255111 AMAQI
4th Nov 20254812 PMAQI
4th Nov 2025441 PMAQI
4th Nov 2025412 PMAQI
4th Nov 2025403 PMAQI
4th Nov 2025384 PMAQI
4th Nov 2025365 PMAQI
4th Nov 2025316 PMAQI
4th Nov 2025297 PMAQI
4th Nov 2025318 PMAQI
4th Nov 2025329 PMAQI
4th Nov 20253510 PMAQI
4th Nov 20253911 PMAQI
5th Nov 20253812 AMAQI
5th Nov 2025361 AMAQI
5th Nov 2025382 AMAQI
5th Nov 2025393 AMAQI
5th Nov 2025424 AMAQI
5th Nov 2025445 AMAQI
22°C21/22°C
5th Nov 2025446 AMAQI
5th Nov 2025447 AMAQI
5th Nov 2025438 AMAQI
5th Nov 2025459 AMAQI
5th Nov 20254710 AMAQI
5th Nov 20254811 AMAQI
5th Nov 20255112 PMAQI
5th Nov 2025541 PMAQI
5th Nov 2025572 PMAQI
5th Nov 2025593 PMAQI
5th Nov 2025604 PMAQI
5th Nov 2025615 PMAQI
5th Nov 2025616 PMAQI
5th Nov 2025607 PMAQI
5th Nov 2025608 PMAQI
5th Nov 2025609 PMAQI
5th Nov 20255910 PMAQI
5th Nov 20255811 PMAQI
6th Nov 20255712 AMAQI
6th Nov 2025551 AMAQI
6th Nov 2025522 AMAQI
6th Nov 2025513 AMAQI
6th Nov 2025424 AMAQI
6th Nov 2025505 AMAQI
23°C23/24°C
6th Nov 2025576 AMAQI
6th Nov 2025627 AMAQI
6th Nov 2025638 AMAQI
6th Nov 2025679 AMAQI
6th Nov 20257110 AMAQI
6th Nov 20257611 AMAQI
6th Nov 20257812 PMAQI
6th Nov 2025781 PMAQI
6th Nov 2025782 PMAQI
6th Nov 2025793 PMAQI
6th Nov 2025784 PMAQI
6th Nov 2025755 PMAQI
6th Nov 2025736 PMAQI
6th Nov 2025717 PMAQI
6th Nov 2025678 PMAQI
6th Nov 2025649 PMAQI
6th Nov 20256410 PMAQI
6th Nov 20256411 PMAQI
7th Nov 20256612 AMAQI
7th Nov 2025681 AMAQI
7th Nov 2025722 AMAQI
7th Nov 2025643 AMAQI
7th Nov 2025544 AMAQI
7th Nov 2025525 AMAQI
25°C24/26°C
7th Nov 2025296 AMAQI
7th Nov 2025277 AMAQI
7th Nov 2025278 AMAQI
7th Nov 2025319 AMAQI
7th Nov 20253010 AMAQI
7th Nov 20252911 AMAQI
7th Nov 20252812 PMAQI
7th Nov 2025311 PMAQI
7th Nov 2025322 PMAQI
7th Nov 2025353 PMAQI
7th Nov 2025304 PMAQI
7th Nov 2025255 PMAQI
7th Nov 2025266 PMAQI
7th Nov 2025307 PMAQI
7th Nov 2025338 PMAQI
7th Nov 2025399 PMAQI
7th Nov 20253910 PMAQI
7th Nov 20254011 PMAQI
8th Nov 20253812 AMAQI
8th Nov 2025351 AMAQI
8th Nov 2025362 AMAQI
8th Nov 2025333 AMAQI
8th Nov 2025334 AMAQI
8th Nov 2025295 AMAQI
26°C25/28°C
8th Nov 2025286 AMAQI
8th Nov 2025287 AMAQI
8th Nov 2025288 AMAQI
8th Nov 2025309 AMAQI
8th Nov 20253210 AMAQI
8th Nov 20253811 AMAQI
8th Nov 20254012 PMAQI
8th Nov 2025401 PMAQI
8th Nov 2025382 PMAQI
8th Nov 2025383 PMAQI
8th Nov 2025374 PMAQI
8th Nov 2025315 PMAQI
8th Nov 2025306 PMAQI
8th Nov 2025307 PMAQI
8th Nov 2025298 PMAQI
8th Nov 2025309 PMAQI
8th Nov 20253310 PMAQI
8th Nov 20253311 PMAQI
9th Nov 20252412 AMAQI
9th Nov 2025281 AMAQI
9th Nov 2025252 AMAQI
9th Nov 2025403 AMAQI
9th Nov 2025534 AMAQI
9th Nov 2025555 AMAQI
26°C25/29°C
9th Nov 2025566 AMAQI
9th Nov 2025567 AMAQI
9th Nov 2025558 AMAQI
9th Nov 2025559 AMAQI
9th Nov 20255510 AMAQI
9th Nov 20255511 AMAQI
9th Nov 20255512 PMAQI
9th Nov 2025551 PMAQI
9th Nov 2025552 PMAQI
9th Nov 2025563 PMAQI
9th Nov 2025584 PMAQI
9th Nov 2025595 PMAQI
9th Nov 2025656 PMAQI
9th Nov 2025747 PMAQI
9th Nov 2025838 PMAQI
9th Nov 2025849 PMAQI
9th Nov 20258810 PMAQI
9th Nov 20259711 PMAQI
10th Nov 202510012 AMAQI
10th Nov 20251061 AMAQI
10th Nov 20251112 AMAQI
10th Nov 20251103 AMAQI
10th Nov 20251124 AMAQI
10th Nov 20251215 AMAQI
26°C25/27°C
10th Nov 20251216 AMAQI
10th Nov 20251107 AMAQI
10th Nov 2025978 AMAQI
10th Nov 2025909 AMAQI
10th Nov 20257610 AMAQI
10th Nov 20256011 AMAQI
10th Nov 20255412 PMAQI
10th Nov 2025521 PMAQI
10th Nov 2025522 PMAQI
10th Nov 2025543 PMAQI
10th Nov 2025584 PMAQI
10th Nov 2025605 PMAQI
10th Nov 2025596 PMAQI
10th Nov 2025597 PMAQI
10th Nov 2025598 PMAQI
10th Nov 2025599 PMAQI
10th Nov 20256310 PMAQI
10th Nov 20256511 PMAQI
11th Nov 20256612 AMAQI
11th Nov 2025681 AMAQI
11th Nov 2025672 AMAQI
11th Nov 2025693 AMAQI
11th Nov 2025694 AMAQI
11th Nov 2025675 AMAQI
24°C24/26°C
11th Nov 2025636 AMAQI
11th Nov 2025637 AMAQI
11th Nov 2025618 AMAQI
11th Nov 2025589 AMAQI
11th Nov 20256010 AMAQI
11th Nov 20256011 AMAQI
11th Nov 20256112 PMAQI
11th Nov 2025631 PMAQI
11th Nov 2025622 PMAQI
11th Nov 2025633 PMAQI
11th Nov 2025644 PMAQI
11th Nov 2025645 PMAQI
11th Nov 2025646 PMAQI
11th Nov 2025647 PMAQI
11th Nov 2025658 PMAQI
11th Nov 2025699 PMAQI
11th Nov 20257210 PMAQI
11th Nov 20257311 PMAQI
12th Nov 20257212 AMAQI
12th Nov 2025701 AMAQI
12th Nov 2025682 AMAQI
12th Nov 2025663 AMAQI
12th Nov 2025664 AMAQI
12th Nov 2025635 AMAQI
23°C22/25°C
12th Nov 2025596 AMAQI
12th Nov 2025567 AMAQI
12th Nov 2025568 AMAQI
12th Nov 2025559 AMAQI
12th Nov 20255410 AMAQI
12th Nov 20255311 AMAQI
12th Nov 20255412 PMAQI
12th Nov 2025541 PMAQI
12th Nov 2025572 PMAQI
12th Nov 2025593 PMAQI
12th Nov 2025584 PMAQI
12th Nov 2025545 PMAQI
12th Nov 2025536 PMAQI
12th Nov 2025557 PMAQI
12th Nov 2025568 PMAQI
12th Nov 2025589 PMAQI
12th Nov 20256710 PMAQI
12th Nov 20257611 PMAQI
13th Nov 20257512 AMAQI
13th Nov 2025751 AMAQI
13th Nov 2025782 AMAQI
13th Nov 2025793 AMAQI
13th Nov 2025784 AMAQI
13th Nov 2025785 AMAQI
22°C20/23°C
13th Nov 2025806 AMAQI
13th Nov 2025797 AMAQI
13th Nov 2025818 AMAQI
13th Nov 2025829 AMAQI
13th Nov 20258610 AMAQI
13th Nov 20259011 AMAQI
13th Nov 20259512 PMAQI
13th Nov 2025981 PMAQI
13th Nov 2025972 PMAQI
13th Nov 2025983 PMAQI
13th Nov 2025974 PMAQI
13th Nov 2025945 PMAQI
13th Nov 2025896 PMAQI
13th Nov 2025897 PMAQI
13th Nov 2025888 PMAQI
13th Nov 2025879 PMAQI
13th Nov 20258910 PMAQI
13th Nov 20259211 PMAQI
14th Nov 20259212 AMAQI
14th Nov 2025881 AMAQI
14th Nov 2025942 AMAQI
14th Nov 2025933 AMAQI
14th Nov 2025864 AMAQI
14th Nov 2025765 AMAQI
22°C21/24°C
14th Nov 2025656 AMAQI
14th Nov 2025567 AMAQI
14th Nov 2025548 AMAQI
14th Nov 2025549 AMAQI
14th Nov 20255410 AMAQI
14th Nov 20255311 AMAQI
14th Nov 20255312 PMAQI
14th Nov 2025521 PMAQI
14th Nov 2025512 PMAQI
14th Nov 2025493 PMAQI
14th Nov 2025464 PMAQI
14th Nov 2025465 PMAQI
14th Nov 2025476 PMAQI
14th Nov 2025507 PMAQI
14th Nov 2025568 PMAQI
14th Nov 2025579 PMAQI
14th Nov 20256010 PMAQI
14th Nov 20256111 PMAQI
15th Nov 20256112 AMAQI
15th Nov 2025591 AMAQI
15th Nov 2025562 AMAQI
15th Nov 2025553 AMAQI
15th Nov 2025574 AMAQI
15th Nov 2025615 AMAQI
22°C21/23°C
15th Nov 2025716 AMAQI
15th Nov 2025727 AMAQI
15th Nov 2025768 AMAQI
15th Nov 2025749 AMAQI
15th Nov 20257310 AMAQI
15th Nov 20257311 AMAQI
15th Nov 20257512 PMAQI
15th Nov 2025781 PMAQI
15th Nov 2025812 PMAQI
15th Nov 2025823 PMAQI
15th Nov 2025864 PMAQI
15th Nov 2025865 PMAQI
15th Nov 2025836 PMAQI
15th Nov 2025757 PMAQI
15th Nov 2025718 PMAQI
15th Nov 2025669 PMAQI
15th Nov 20256510 PMAQI
15th Nov 20256311 PMAQI
16th Nov 20256012 AMAQI
16th Nov 2025611 AMAQI
16th Nov 2025612 AMAQI
16th Nov 2025613 AMAQI
16th Nov 2025604 AMAQI
16th Nov 2025615 AMAQI
23°C23/24°C
16th Nov 2025636 AMAQI
16th Nov 2025647 AMAQI
16th Nov 2025668 AMAQI
16th Nov 2025669 AMAQI
16th Nov 20256610 AMAQI
16th Nov 20256611 AMAQI
16th Nov 20256412 PMAQI
16th Nov 2025641 PMAQI
16th Nov 2025642 PMAQI
16th Nov 2025653 PMAQI
16th Nov 2025664 PMAQI
16th Nov 2025655 PMAQI
16th Nov 2025666 PMAQI
16th Nov 2025677 PMAQI
16th Nov 2025678 PMAQI
16th Nov 2025669 PMAQI
16th Nov 20256610 PMAQI
16th Nov 20256511 PMAQI
17th Nov 20256412 AMAQI
17th Nov 2025631 AMAQI
17th Nov 2025642 AMAQI
17th Nov 2025623 AMAQI
17th Nov 2025614 AMAQI
17th Nov 2025585 AMAQI
24°C24/26°C
17th Nov 2025576 AMAQI
17th Nov 2025567 AMAQI
17th Nov 2025568 AMAQI
17th Nov 2025579 AMAQI
17th Nov 20256110 AMAQI
17th Nov 20256611 AMAQI
17th Nov 20256712 PMAQI
17th Nov 2025681 PMAQI
17th Nov 2025662 PMAQI
17th Nov 2025653 PMAQI
17th Nov 2025644 PMAQI
17th Nov 2025655 PMAQI
17th Nov 2025666 PMAQI
17th Nov 2025687 PMAQI
17th Nov 2025708 PMAQI
17th Nov 2025729 PMAQI
17th Nov 20257110 PMAQI
17th Nov 20257011 PMAQI
18th Nov 20256912 AMAQI
18th Nov 2025681 AMAQI
18th Nov 2025682 AMAQI
18th Nov 2025703 AMAQI
18th Nov 2025714 AMAQI
18th Nov 2025745 AMAQI
24°C23/25°C
18th Nov 2025766 AMAQI
6 AM18th Nov 2025807 AMAQI
18th Nov 2025828 AMAQI
12 PM
6 PM
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 6 PM
64AQI
13 hours / Day
390 hours / Month
Avg. Lowest Time
6 AM - 6 PM
64AQI
13 hours / Day
390 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 6 PM (Avg. 64), while the lowest AQI was between 6 AM to 6 PM (Avg. 64).
Night time
Avg. Highest Time
12 AM - 5 AM
66AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
7 PM - 11 PM
65AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 5 AM (Avg. 66), while the lowest AQI was between 7 PM to 11 PM (Avg. 65).
2025 Days Vs Air Quality
Haikou, Hainan, China
2025
47%
152
49%
157
4%
12
Total number of days with different AQI categories in last 322 days in 2025 (43 days remaining)
Good
152 DaysModerate
157 DaysPoor
12 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 47%
Health Risk Level:
Significant
In 2025, 47% of 322 days were within WHO’s safe air quality limits, and 53% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Haikou, Hainan, 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
115AQI
115AQI
2nd January 2025
104AQI
104AQI
3rd January 2025
106AQI
106AQI
4th January 2025
92AQI
92AQI
5th January 2025
110AQI
110AQI
6th January 2025
118AQI
118AQI
7th January 2025
92AQI
92AQI
8th January 2025
91AQI
91AQI
9th January 2025
118AQI
118AQI
10th January 2025
108AQI
108AQI
11th January 2025
92AQI
92AQI
12th January 2025
81AQI
81AQI
13th January 2025
77AQI
77AQI
14th January 2025
74AQI
74AQI
15th January 2025
81AQI
81AQI
16th January 2025
94AQI
94AQI
17th January 2025
91AQI
91AQI
18th January 2025
86AQI
86AQI
19th January 2025
92AQI
92AQI
20th January 2025
97AQI
97AQI
21st January 2025
81AQI
81AQI
22nd January 2025
92AQI
92AQI
23rd January 2025
82AQI
82AQI
24th January 2025
66AQI
66AQI
25th January 2025
63AQI
63AQI
26th January 2025
59AQI
59AQI
27th January 2025
59AQI
59AQI
28th January 2025
63AQI
63AQI
29th January 2025
79AQI
79AQI
30th January 2025
69AQI
69AQI
31st January 2025
67AQI
67AQI
1st February 2025
55AQI
55AQI
2nd February 2025
49AQI
49AQI
3rd February 2025
64AQI
64AQI
4th February 2025
52AQI
52AQI
5th February 2025
59AQI
59AQI
6th February 2025
60AQI
60AQI
7th February 2025
72AQI
72AQI
8th February 2025
59AQI
59AQI
9th February 2025
68AQI
68AQI
10th February 2025
61AQI
61AQI
11th February 2025
60AQI
60AQI
12th February 2025
53AQI
53AQI
13th February 2025
68AQI
68AQI
14th February 2025
50AQI
50AQI
15th February 2025
70AQI
70AQI
16th February 2025
47AQI
47AQI
17th February 2025
68AQI
68AQI
18th February 2025
77AQI
77AQI
19th February 2025
72AQI
72AQI
20th February 2025
67AQI
67AQI
21st February 2025
63AQI
63AQI
22nd February 2025
49AQI
49AQI
23rd February 2025
63AQI
63AQI
24th February 2025
51AQI
51AQI
25th February 2025
62AQI
62AQI
26th February 2025
75AQI
75AQI
27th February 2025
67AQI
67AQI
28th February 2025
61AQI
61AQI
1st March 2025
58AQI
58AQI
2nd March 2025
57AQI
57AQI
3rd March 2025
63AQI
63AQI
4th March 2025
56AQI
56AQI
5th March 2025
52AQI
52AQI
6th March 2025
34AQI
34AQI
7th March 2025
45AQI
45AQI
8th March 2025
48AQI
48AQI
9th March 2025
62AQI
62AQI
10th March 2025
65AQI
65AQI
11th March 2025
61AQI
61AQI
12th March 2025
55AQI
55AQI
13th March 2025
52AQI
52AQI
14th March 2025
45AQI
45AQI
15th March 2025
58AQI
58AQI
16th March 2025
47AQI
47AQI
17th March 2025
67AQI
67AQI
18th March 2025
69AQI
69AQI
19th March 2025
84AQI
84AQI
20th March 2025
79AQI
79AQI
21st March 2025
83AQI
83AQI
22nd March 2025
77AQI
77AQI
23rd March 2025
73AQI
73AQI
24th March 2025
73AQI
73AQI
25th March 2025
77AQI
77AQI
26th March 2025
73AQI
73AQI
27th March 2025
72AQI
72AQI
28th March 2025
67AQI
67AQI
29th March 2025
53AQI
53AQI
30th March 2025
38AQI
38AQI
31st March 2025
45AQI
45AQI
1st April 2025
50AQI
50AQI
2nd April 2025
67AQI
67AQI
3rd April 2025
58AQI
58AQI
4th April 2025
61AQI
61AQI
5th April 2025
64AQI
64AQI
6th April 2025
60AQI
60AQI
7th April 2025
69AQI
69AQI
8th April 2025
60AQI
60AQI
9th April 2025
65AQI
65AQI
10th April 2025
69AQI
69AQI
11th April 2025
64AQI
64AQI
12th April 2025
68AQI
68AQI
13th April 2025
133AQI
133AQI
14th April 2025
133AQI
133AQI
15th April 2025
135AQI
135AQI
16th April 2025
116AQI
116AQI
17th April 2025
103AQI
103AQI
18th April 2025
84AQI
84AQI
19th April 2025
72AQI
72AQI
20th April 2025
64AQI
64AQI
21st April 2025
62AQI
62AQI
22nd April 2025
65AQI
65AQI
23rd April 2025
60AQI
60AQI
24th April 2025
63AQI
63AQI
25th April 2025
58AQI
58AQI
26th April 2025
52AQI
52AQI
27th April 2025
48AQI
48AQI
28th April 2025
57AQI
57AQI
29th April 2025
59AQI
59AQI
30th April 2025
57AQI
57AQI
1st May 2025
53AQI
53AQI
2nd May 2025
59AQI
59AQI
3rd May 2025
59AQI
59AQI
4th May 2025
59AQI
59AQI
5th May 2025
54AQI
54AQI
6th May 2025
59AQI
59AQI
7th May 2025
59AQI
59AQI
8th May 2025
54AQI
54AQI
9th May 2025
55AQI
55AQI
10th May 2025
50AQI
50AQI
11th May 2025
57AQI
57AQI
12th May 2025
62AQI
62AQI
13th May 2025
57AQI
57AQI
14th May 2025
47AQI
47AQI
15th May 2025
41AQI
41AQI
16th May 2025
38AQI
38AQI
17th May 2025
40AQI
40AQI
18th May 2025
43AQI
43AQI
19th May 2025
43AQI
43AQI
20th May 2025
47AQI
47AQI
21st May 2025
47AQI
47AQI
22nd May 2025
42AQI
42AQI
23rd May 2025
39AQI
39AQI
24th May 2025
37AQI
37AQI
25th May 2025
52AQI
52AQI
26th May 2025
68AQI
68AQI
27th May 2025
56AQI
56AQI
28th May 2025
50AQI
50AQI
29th May 2025
47AQI
47AQI
30th May 2025
46AQI
46AQI
31st May 2025
40AQI
40AQI
1st June 2025
46AQI
46AQI
2nd June 2025
43AQI
43AQI
3rd June 2025
53AQI
53AQI
4th June 2025
54AQI
54AQI
5th June 2025
44AQI
44AQI
6th June 2025
43AQI
43AQI
7th June 2025
47AQI
47AQI
8th June 2025
50AQI
50AQI
9th June 2025
51AQI
51AQI
10th June 2025
51AQI
51AQI
11th June 2025
44AQI
44AQI
12th June 2025
35AQI
35AQI
13th June 2025
34AQI
34AQI
14th June 2025
36AQI
36AQI
15th June 2025
39AQI
39AQI
16th June 2025
42AQI
42AQI
17th June 2025
45AQI
45AQI
18th June 2025
42AQI
42AQI
19th June 2025
40AQI
40AQI
20th June 2025
39AQI
39AQI
21st June 2025
38AQI
38AQI
22nd June 2025
39AQI
39AQI
23rd June 2025
34AQI
34AQI
24th June 2025
32AQI
32AQI
25th June 2025
31AQI
31AQI
26th June 2025
28AQI
28AQI
27th June 2025
28AQI
28AQI
28th June 2025
30AQI
30AQI
29th June 2025
31AQI
31AQI
30th June 2025
31AQI
31AQI
1st July 2025
31AQI
31AQI
2nd July 2025
29AQI
29AQI
3rd July 2025
30AQI
30AQI
4th July 2025
30AQI
30AQI
5th July 2025
34AQI
34AQI
6th July 2025
36AQI
36AQI
7th July 2025
34AQI
34AQI
8th July 2025
40AQI
40AQI
9th July 2025
43AQI
43AQI
10th July 2025
46AQI
46AQI
11th July 2025
49AQI
49AQI
12th July 2025
46AQI
46AQI
13th July 2025
49AQI
49AQI
14th July 2025
50AQI
50AQI
15th July 2025
53AQI
53AQI
16th July 2025
52AQI
52AQI
17th July 2025
50AQI
50AQI
18th July 2025
50AQI
50AQI
19th July 2025
45AQI
45AQI
20th July 2025
40AQI
40AQI
21st July 2025
37AQI
37AQI
22nd July 2025
37AQI
37AQI
23rd July 2025
39AQI
39AQI
24th July 2025
37AQI
37AQI
25th July 2025
40AQI
40AQI
26th July 2025
39AQI
39AQI
27th July 2025
42AQI
42AQI
28th July 2025
37AQI
37AQI
29th July 2025
38AQI
38AQI
30th July 2025
38AQI
38AQI
31st July 2025
46AQI
46AQI
1st August 2025
54AQI
54AQI
2nd August 2025
53AQI
53AQI
3rd August 2025
55AQI
55AQI
4th August 2025
56AQI
56AQI
5th August 2025
55AQI
55AQI
6th August 2025
54AQI
54AQI
7th August 2025
54AQI
54AQI
8th August 2025
52AQI
52AQI
9th August 2025
53AQI
53AQI
10th August 2025
50AQI
50AQI
11th August 2025
47AQI
47AQI
12th August 2025
46AQI
46AQI
13th August 2025
46AQI
46AQI
14th August 2025
44AQI
44AQI
15th August 2025
35AQI
35AQI
16th August 2025
33AQI
33AQI
17th August 2025
32AQI
32AQI
18th August 2025
30AQI
30AQI
19th August 2025
34AQI
34AQI
20th August 2025
37AQI
37AQI
21st August 2025
35AQI
35AQI
22nd August 2025
37AQI
37AQI
23rd August 2025
38AQI
38AQI
24th August 2025
38AQI
38AQI
25th August 2025
34AQI
34AQI
26th August 2025
35AQI
35AQI
27th August 2025
38AQI
38AQI
28th August 2025
41AQI
41AQI
29th August 2025
43AQI
43AQI
30th August 2025
38AQI
38AQI
31st August 2025
37AQI
37AQI
1st September 2025
37AQI
37AQI
2nd September 2025
36AQI
36AQI
3rd September 2025
37AQI
37AQI
4th September 2025
32AQI
32AQI
5th September 2025
34AQI
34AQI
6th September 2025
31AQI
31AQI
7th September 2025
44AQI
44AQI
8th September 2025
41AQI
41AQI
9th September 2025
36AQI
36AQI
10th September 2025
35AQI
35AQI
11th September 2025
33AQI
33AQI
12th September 2025
33AQI
33AQI
13th September 2025
32AQI
32AQI
14th September 2025
30AQI
30AQI
15th September 2025
30AQI
30AQI
16th September 2025
29AQI
29AQI
17th September 2025
29AQI
29AQI
18th September 2025
30AQI
30AQI
19th September 2025
29AQI
29AQI
20th September 2025
37AQI
37AQI
21st September 2025
41AQI
41AQI
22nd September 2025
30AQI
30AQI
23rd September 2025
42AQI
42AQI
24th September 2025
40AQI
40AQI
25th September 2025
41AQI
41AQI
26th September 2025
32AQI
32AQI
27th September 2025
44AQI
44AQI
28th September 2025
27AQI
27AQI
29th September 2025
39AQI
39AQI
30th September 2025
40AQI
40AQI
1st October 2025
36AQI
36AQI
2nd October 2025
42AQI
42AQI
3rd October 2025
35AQI
35AQI
4th October 2025
44AQI
44AQI
5th October 2025
50AQI
50AQI
6th October 2025
51AQI
51AQI
7th October 2025
50AQI
50AQI
8th October 2025
45AQI
45AQI
9th October 2025
58AQI
58AQI
10th October 2025
65AQI
65AQI
11th October 2025
59AQI
59AQI
12th October 2025
50AQI
50AQI
13th October 2025
41AQI
41AQI
14th October 2025
34AQI
34AQI
15th October 2025
45AQI
45AQI
16th October 2025
57AQI
57AQI
17th October 2025
61AQI
61AQI
18th October 2025
70AQI
70AQI
19th October 2025
77AQI
77AQI
20th October 2025
72AQI
72AQI
21st October 2025
54AQI
54AQI
22nd October 2025
43AQI
43AQI
23rd October 2025
51AQI
51AQI
24th October 2025
64AQI
64AQI
25th October 2025
75AQI
75AQI
26th October 2025
79AQI
79AQI
27th October 2025
77AQI
77AQI
28th October 2025
73AQI
73AQI
29th October 2025
78AQI
78AQI
30th October 2025
39AQI
39AQI
31st October 2025
74AQI
74AQI
1st November 2025
78AQI
78AQI
2nd November 2025
79AQI
79AQI
3rd November 2025
76AQI
76AQI
4th November 2025
55AQI
55AQI
5th November 2025
49AQI
49AQI
6th November 2025
64AQI
64AQI
7th November 2025
42AQI
42AQI
8th November 2025
34AQI
34AQI
9th November 2025
56AQI
56AQI
10th November 2025
83AQI
83AQI
11th November 2025
65AQI
65AQI
12th November 2025
62AQI
62AQI
13th November 2025
85AQI
85AQI
14th November 2025
66AQI
66AQI
15th November 2025
69AQI
69AQI
16th November 2025
64AQI
64AQI
17th November 2025
62AQI
62AQI
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
87AQI
62AQI
61AQI
73AQI
50AQI
40AQI
41AQI
43AQI
35AQI
56AQI
64AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202555AQI
24
7
4
24
7
24
2
23
5
16
15
26
4
29
2
22
9
30
13
18
3
14
152
157
12
Highest AQI recorded in
January87AQI
Lowest AQI recorded in
September35AQI
202455AQI
8
22
1
11
16
2
7
24
4
26
22
9
27
3
31
29
2
22
8
9
19
3
1
29
26
5
171
184
11
Highest AQI recorded in
December84AQI
Lowest AQI recorded in
July30AQI
202355AQI
7
21
3
10
16
2
6
25
5
25
18
13
25
5
29
2
22
9
26
4
12
18
1
8
16
2
7
22
2
175
176
10
Highest AQI recorded in
January75AQI
Lowest AQI recorded in
July35AQI
202251AQI
9
20
2
14
7
10
21
10
20
29
2
29
1
24
1
1
9
19
1
12
19
24
6
4
22
5
175
138
8
Highest AQI recorded in
December73AQI
Lowest AQI recorded in
July30AQI
202151AQI
22
9
8
19
1
13
17
1
21
9
27
4
18
12
30
1
30
1
27
3
23
8
11
17
2
1
28
2
209
141
15
Highest AQI recorded in
January88AQI
Lowest AQI recorded in
August34AQI
202050AQI
10
4
9
12
10
8
30
30
1
27
4
25
5
11
19
1
7
18
5
2
18
11
161
89
17
Highest AQI recorded in
December87AQI
Lowest AQI recorded in
June32AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2024(Avg.)
55AQILeast Polluted Year Recorded
2020(Avg.)
50AQIHaikou's annual 2025 AQI (55) shows an average percentage change of 5.1% (worsened AQI) compared to previous years: 2020 (50), 2021 (51), 2022 (51), 2023 (55), 2024 (55).
