City First Secondary School Sub Station, Nada, 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
City First Secondary School Sub Station, Nada, Hainan, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
18th Nov 2021
122AQILowest AQI recorded on
22nd Nov 2022
12AQISame Day Analysis (25th November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 102 of Poor air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 25th Nov - 26th Nov 2025
City First Secondary School Sub Station, Nada, Hainan, China
AQI
Day
Night
.
6 AM25th Nov 2025
6 PM
5 AM26th Nov 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
6AM25th Nov
94AQI
Avg. Lowest Time
7PM25th Nov
66AQI
In the last 24 hours,
City First Secondary School Sub Station's AQI reached its highest point of 94 at 6 AM during the Night, while the lowest point, 66, was recorded at 7 PM during the Night between 25th Nov and 26th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
City First Secondary School Sub Station, Nada, Hainan, China
OctNov
27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th
Day
Night
27th Oct 2025846 AMAQI
27th Oct 2025867 AMAQI
27th Oct 2025848 AMAQI
27th Oct 2025859 AMAQI
27th Oct 20258710 AMAQI
27th Oct 20258911 AMAQI
27th Oct 20258812 PMAQI
27th Oct 2025821 PMAQI
27th Oct 2025802 PMAQI
27th Oct 2025773 PMAQI
27th Oct 2025774 PMAQI
27th Oct 2025705 PMAQI
27th Oct 2025696 PMAQI
27th Oct 2025617 PMAQI
27th Oct 2025578 PMAQI
27th Oct 2025569 PMAQI
27th Oct 20255510 PMAQI
27th Oct 20254911 PMAQI
28th Oct 20254012 AMAQI
28th Oct 2025511 AMAQI
28th Oct 2025542 AMAQI
28th Oct 2025523 AMAQI
28th Oct 2025534 AMAQI
28th Oct 2025555 AMAQI
21°C20/22°C
28th Oct 2025696 AMAQI
28th Oct 2025867 AMAQI
28th Oct 2025948 AMAQI
28th Oct 2025989 AMAQI
28th Oct 20259410 AMAQI
28th Oct 20258711 AMAQI
28th Oct 20257612 PMAQI
28th Oct 2025711 PMAQI
28th Oct 2025802 PMAQI
28th Oct 2025773 PMAQI
28th Oct 2025734 PMAQI
28th Oct 2025705 PMAQI
28th Oct 2025686 PMAQI
28th Oct 2025687 PMAQI
28th Oct 2025708 PMAQI
28th Oct 2025779 PMAQI
28th Oct 20258210 PMAQI
28th Oct 20258211 PMAQI
29th Oct 20258012 AMAQI
29th Oct 2025791 AMAQI
29th Oct 2025802 AMAQI
29th Oct 2025813 AMAQI
29th Oct 2025874 AMAQI
29th Oct 2025915 AMAQI
22°C21/22°C
29th Oct 2025876 AMAQI
29th Oct 2025797 AMAQI
29th Oct 2025688 AMAQI
29th Oct 2025739 AMAQI
29th Oct 20257810 AMAQI
29th Oct 20258511 AMAQI
29th Oct 20258512 PMAQI
29th Oct 2025901 PMAQI
29th Oct 2025752 PMAQI
29th Oct 2025723 PMAQI
29th Oct 2025754 PMAQI
29th Oct 2025705 PMAQI
29th Oct 2025676 PMAQI
29th Oct 2025577 PMAQI
29th Oct 2025428 PMAQI
29th Oct 2025369 PMAQI
29th Oct 20253610 PMAQI
29th Oct 20253211 PMAQI
30th Oct 20252612 AMAQI
30th Oct 2025241 AMAQI
30th Oct 2025232 AMAQI
30th Oct 2025223 AMAQI
30th Oct 2025224 AMAQI
30th Oct 2025295 AMAQI
23°C22/24°C
30th Oct 2025286 AMAQI
30th Oct 2025257 AMAQI
30th Oct 2025268 AMAQI
30th Oct 2025269 AMAQI
30th Oct 20252610 AMAQI
30th Oct 20252711 AMAQI
30th Oct 20252712 PMAQI
30th Oct 2025241 PMAQI
30th Oct 2025262 PMAQI
30th Oct 2025303 PMAQI
30th Oct 2025284 PMAQI
30th Oct 2025305 PMAQI
30th Oct 2025436 PMAQI
30th Oct 2025307 PMAQI
30th Oct 2025298 PMAQI
30th Oct 2025229 PMAQI
30th Oct 20252810 PMAQI
30th Oct 20252811 PMAQI
31st Oct 20253212 AMAQI
31st Oct 2025321 AMAQI
31st Oct 2025222 AMAQI
31st Oct 2025233 AMAQI
31st Oct 2025314 AMAQI
31st Oct 2025365 AMAQI
24°C23/26°C
31st Oct 2025476 AMAQI
31st Oct 2025517 AMAQI
31st Oct 2025598 AMAQI
31st Oct 2025719 AMAQI
31st Oct 20258610 AMAQI
31st Oct 20258211 AMAQI
31st Oct 20257912 PMAQI
31st Oct 2025771 PMAQI
31st Oct 2025832 PMAQI
31st Oct 2025853 PMAQI
31st Oct 2025854 PMAQI
31st Oct 2025845 PMAQI
31st Oct 2025866 PMAQI
31st Oct 2025907 PMAQI
31st Oct 2025888 PMAQI
31st Oct 2025849 PMAQI
31st Oct 20257810 PMAQI
31st Oct 20257711 PMAQI
1st Nov 20257712 AMAQI
1st Nov 2025791 AMAQI
1st Nov 2025852 AMAQI
1st Nov 2025883 AMAQI
1st Nov 2025914 AMAQI
1st Nov 2025905 AMAQI
24°C22/26°C
1st Nov 2025826 AMAQI
1st Nov 2025727 AMAQI
1st Nov 2025718 AMAQI
1st Nov 2025759 AMAQI
1st Nov 20258010 AMAQI
1st Nov 20257411 AMAQI
1st Nov 20256712 PMAQI
1st Nov 2025641 PMAQI
1st Nov 2025682 PMAQI
1st Nov 2025673 PMAQI
1st Nov 2025704 PMAQI
1st Nov 2025695 PMAQI
1st Nov 2025696 PMAQI
1st Nov 2025717 PMAQI
1st Nov 2025728 PMAQI
1st Nov 2025769 PMAQI
1st Nov 20257410 PMAQI
1st Nov 20257411 PMAQI
2nd Nov 20257212 AMAQI
2nd Nov 2025721 AMAQI
2nd Nov 2025732 AMAQI
2nd Nov 2025733 AMAQI
2nd Nov 2025734 AMAQI
2nd Nov 2025735 AMAQI
23°C22/24°C
2nd Nov 2025716 AMAQI
2nd Nov 2025687 AMAQI
2nd Nov 2025708 AMAQI
2nd Nov 2025749 AMAQI
2nd Nov 20257710 AMAQI
2nd Nov 20257711 AMAQI
2nd Nov 20257412 PMAQI
2nd Nov 2025711 PMAQI
2nd Nov 2025722 PMAQI
2nd Nov 2025723 PMAQI
2nd Nov 2025774 PMAQI
2nd Nov 2025885 PMAQI
2nd Nov 2025926 PMAQI
2nd Nov 2025947 PMAQI
2nd Nov 2025908 PMAQI
2nd Nov 2025879 PMAQI
2nd Nov 20258310 PMAQI
2nd Nov 20257811 PMAQI
3rd Nov 20257212 AMAQI
3rd Nov 2025631 AMAQI
3rd Nov 2025592 AMAQI
3rd Nov 2025583 AMAQI
3rd Nov 2025594 AMAQI
3rd Nov 2025665 AMAQI
23°C21/25°C
3rd Nov 2025706 AMAQI
3rd Nov 2025767 AMAQI
3rd Nov 2025808 AMAQI
3rd Nov 2025809 AMAQI
3rd Nov 20257510 AMAQI
3rd Nov 20257011 AMAQI
3rd Nov 20256812 PMAQI
3rd Nov 2025681 PMAQI
3rd Nov 2025662 PMAQI
3rd Nov 2025663 PMAQI
3rd Nov 2025584 PMAQI
3rd Nov 2025575 PMAQI
3rd Nov 2025686 PMAQI
3rd Nov 2025617 PMAQI
3rd Nov 2025738 PMAQI
3rd Nov 2025639 PMAQI
3rd Nov 20256310 PMAQI
3rd Nov 20256711 PMAQI
4th Nov 20256912 AMAQI
4th Nov 2025671 AMAQI
4th Nov 2025722 AMAQI
4th Nov 2025673 AMAQI
4th Nov 2025634 AMAQI
4th Nov 2025685 AMAQI
22°C21/22°C
4th Nov 2025696 AMAQI
4th Nov 2025687 AMAQI
4th Nov 2025658 AMAQI
4th Nov 2025649 AMAQI
4th Nov 20256210 AMAQI
4th Nov 20255711 AMAQI
4th Nov 20255512 PMAQI
4th Nov 2025551 PMAQI
4th Nov 2025532 PMAQI
4th Nov 2025493 PMAQI
4th Nov 2025464 PMAQI
4th Nov 2025505 PMAQI
4th Nov 2025506 PMAQI
4th Nov 2025497 PMAQI
4th Nov 2025428 PMAQI
4th Nov 2025409 PMAQI
4th Nov 20254110 PMAQI
4th Nov 20253211 PMAQI
5th Nov 20253012 AMAQI
5th Nov 2025281 AMAQI
5th Nov 2025282 AMAQI
5th Nov 2025263 AMAQI
5th Nov 2025284 AMAQI
5th Nov 2025275 AMAQI
19°C18/20°C
5th Nov 2025306 AMAQI
5th Nov 2025297 AMAQI
5th Nov 2025288 AMAQI
5th Nov 2025289 AMAQI
5th Nov 20253310 AMAQI
5th Nov 20253511 AMAQI
5th Nov 20253712 PMAQI
5th Nov 2025441 PMAQI
5th Nov 2025562 PMAQI
5th Nov 2025583 PMAQI
5th Nov 2025584 PMAQI
5th Nov 2025585 PMAQI
5th Nov 2025606 PMAQI
5th Nov 2025607 PMAQI
5th Nov 2025608 PMAQI
5th Nov 2025609 PMAQI
5th Nov 20255910 PMAQI
5th Nov 20255811 PMAQI
6th Nov 20255812 AMAQI
6th Nov 2025571 AMAQI
6th Nov 2025572 AMAQI
6th Nov 2025563 AMAQI
6th Nov 2025544 AMAQI
6th Nov 2025515 AMAQI
22°C20/25°C
6th Nov 2025526 AMAQI
6th Nov 2025557 AMAQI
6th Nov 2025558 AMAQI
6th Nov 2025579 AMAQI
6th Nov 20255810 AMAQI
6th Nov 20256911 AMAQI
6th Nov 20257112 PMAQI
6th Nov 2025721 PMAQI
6th Nov 2025712 PMAQI
6th Nov 2025753 PMAQI
6th Nov 2025774 PMAQI
6th Nov 2025755 PMAQI
6th Nov 2025756 PMAQI
6th Nov 2025757 PMAQI
6th Nov 2025718 PMAQI
6th Nov 2025679 PMAQI
6th Nov 20256610 PMAQI
6th Nov 20256511 PMAQI
7th Nov 20256712 AMAQI
7th Nov 2025671 AMAQI
7th Nov 2025742 AMAQI
7th Nov 2025663 AMAQI
7th Nov 2025554 AMAQI
7th Nov 2025535 AMAQI
23°C21/26°C
7th Nov 2025196 AMAQI
7th Nov 2025117 AMAQI
7th Nov 2025118 AMAQI
7th Nov 2025119 AMAQI
7th Nov 20251210 AMAQI
7th Nov 20251711 AMAQI
7th Nov 20252712 PMAQI
7th Nov 2025331 PMAQI
7th Nov 2025302 PMAQI
7th Nov 2025343 PMAQI
7th Nov 2025324 PMAQI
7th Nov 2025285 PMAQI
7th Nov 2025306 PMAQI
7th Nov 2025337 PMAQI
7th Nov 2025348 PMAQI
7th Nov 2025429 PMAQI
7th Nov 20254210 PMAQI
7th Nov 20254711 PMAQI
8th Nov 20254512 AMAQI
8th Nov 2025381 AMAQI
8th Nov 2025382 AMAQI
8th Nov 2025373 AMAQI
8th Nov 2025354 AMAQI
8th Nov 2025345 AMAQI
25°C23/29°C
8th Nov 2025306 AMAQI
8th Nov 2025287 AMAQI
8th Nov 2025288 AMAQI
8th Nov 2025299 AMAQI
8th Nov 20253310 AMAQI
8th Nov 20253511 AMAQI
8th Nov 20253612 PMAQI
8th Nov 2025371 PMAQI
8th Nov 2025382 PMAQI
8th Nov 2025383 PMAQI
8th Nov 2025344 PMAQI
8th Nov 2025285 PMAQI
8th Nov 2025306 PMAQI
8th Nov 2025337 PMAQI
8th Nov 2025338 PMAQI
8th Nov 2025339 PMAQI
8th Nov 20253310 PMAQI
8th Nov 20253311 PMAQI
9th Nov 20252312 AMAQI
9th Nov 2025281 AMAQI
9th Nov 2025282 AMAQI
9th Nov 2025373 AMAQI
9th Nov 2025464 AMAQI
9th Nov 2025505 AMAQI
25°C23/30°C
9th Nov 2025526 AMAQI
9th Nov 2025527 AMAQI
9th Nov 2025538 AMAQI
9th Nov 2025529 AMAQI
9th Nov 20255110 AMAQI
9th Nov 20255111 AMAQI
9th Nov 20254912 PMAQI
9th Nov 2025511 PMAQI
9th Nov 2025512 PMAQI
9th Nov 2025503 PMAQI
9th Nov 2025554 PMAQI
9th Nov 2025555 PMAQI
9th Nov 2025596 PMAQI
9th Nov 2025677 PMAQI
9th Nov 2025788 PMAQI
9th Nov 2025799 PMAQI
9th Nov 20258410 PMAQI
9th Nov 20259111 PMAQI
10th Nov 20259512 AMAQI
10th Nov 2025981 AMAQI
10th Nov 2025982 AMAQI
10th Nov 2025983 AMAQI
10th Nov 2025984 AMAQI
10th Nov 20251055 AMAQI
25°C22/29°C
10th Nov 20251066 AMAQI
10th Nov 20251067 AMAQI
10th Nov 20251008 AMAQI
10th Nov 2025919 AMAQI
10th Nov 20258810 AMAQI
10th Nov 20258311 AMAQI
10th Nov 20257512 PMAQI
10th Nov 2025761 PMAQI
10th Nov 2025682 PMAQI
10th Nov 2025713 PMAQI
10th Nov 2025684 PMAQI
10th Nov 2025725 PMAQI
10th Nov 2025756 PMAQI
10th Nov 2025787 PMAQI
10th Nov 2025788 PMAQI
10th Nov 2025809 PMAQI
10th Nov 20257710 PMAQI
10th Nov 20258311 PMAQI
11th Nov 20257212 AMAQI
11th Nov 2025661 AMAQI
11th Nov 2025632 AMAQI
11th Nov 2025643 AMAQI
11th Nov 2025634 AMAQI
11th Nov 2025605 AMAQI
24°C22/28°C
11th Nov 2025616 AMAQI
11th Nov 2025607 AMAQI
11th Nov 2025578 AMAQI
11th Nov 2025569 AMAQI
11th Nov 20255710 AMAQI
11th Nov 20255311 AMAQI
11th Nov 20255612 PMAQI
11th Nov 2025581 PMAQI
11th Nov 2025572 PMAQI
11th Nov 2025553 PMAQI
11th Nov 2025534 PMAQI
11th Nov 2025585 PMAQI
11th Nov 2025586 PMAQI
11th Nov 2025587 PMAQI
11th Nov 2025588 PMAQI
11th Nov 2025659 PMAQI
11th Nov 20256810 PMAQI
11th Nov 20257011 PMAQI
12th Nov 20257012 AMAQI
12th Nov 2025691 AMAQI
12th Nov 2025682 AMAQI
12th Nov 2025683 AMAQI
12th Nov 2025684 AMAQI
12th Nov 2025685 AMAQI
21°C20/23°C
12th Nov 2025596 AMAQI
12th Nov 2025547 AMAQI
12th Nov 2025528 AMAQI
12th Nov 2025539 AMAQI
12th Nov 20255010 AMAQI
12th Nov 20254911 AMAQI
12th Nov 20255012 PMAQI
12th Nov 2025481 PMAQI
12th Nov 2025492 PMAQI
12th Nov 2025503 PMAQI
12th Nov 2025514 PMAQI
12th Nov 2025535 PMAQI
12th Nov 2025526 PMAQI
12th Nov 2025537 PMAQI
12th Nov 2025588 PMAQI
12th Nov 2025619 PMAQI
12th Nov 20256510 PMAQI
12th Nov 20256911 PMAQI
13th Nov 20257012 AMAQI
13th Nov 2025691 AMAQI
13th Nov 2025622 AMAQI
13th Nov 2025763 AMAQI
13th Nov 2025784 AMAQI
13th Nov 2025765 AMAQI
21°C19/25°C
13th Nov 2025766 AMAQI
13th Nov 2025757 AMAQI
13th Nov 2025758 AMAQI
13th Nov 2025759 AMAQI
13th Nov 20257410 AMAQI
13th Nov 20257611 AMAQI
13th Nov 20258412 PMAQI
13th Nov 2025841 PMAQI
13th Nov 2025862 PMAQI
13th Nov 2025883 PMAQI
13th Nov 2025884 PMAQI
13th Nov 2025835 PMAQI
13th Nov 2025746 PMAQI
13th Nov 2025767 PMAQI
13th Nov 2025798 PMAQI
13th Nov 2025809 PMAQI
13th Nov 20258410 PMAQI
13th Nov 20258311 PMAQI
14th Nov 20258412 AMAQI
14th Nov 2025791 AMAQI
14th Nov 2025882 AMAQI
14th Nov 2025913 AMAQI
14th Nov 2025894 AMAQI
14th Nov 2025865 AMAQI
20°C17/24°C
14th Nov 2025756 AMAQI
14th Nov 2025667 AMAQI
14th Nov 2025668 AMAQI
14th Nov 2025689 AMAQI
14th Nov 20257110 AMAQI
14th Nov 20256611 AMAQI
14th Nov 20256312 PMAQI
14th Nov 2025611 PMAQI
14th Nov 2025602 PMAQI
14th Nov 2025583 PMAQI
14th Nov 2025564 PMAQI
14th Nov 2025555 PMAQI
14th Nov 2025566 PMAQI
14th Nov 2025647 PMAQI
14th Nov 2025678 PMAQI
14th Nov 2025779 PMAQI
14th Nov 20257810 PMAQI
14th Nov 20256911 PMAQI
15th Nov 20256712 AMAQI
15th Nov 2025691 AMAQI
15th Nov 2025702 AMAQI
15th Nov 2025683 AMAQI
15th Nov 2025674 AMAQI
15th Nov 2025675 AMAQI
19°C16/23°C
15th Nov 2025686 AMAQI
15th Nov 2025677 AMAQI
15th Nov 2025688 AMAQI
15th Nov 2025759 AMAQI
15th Nov 20257310 AMAQI
15th Nov 20257211 AMAQI
15th Nov 20257012 PMAQI
15th Nov 2025701 PMAQI
15th Nov 2025772 PMAQI
15th Nov 2025783 PMAQI
15th Nov 2025804 PMAQI
15th Nov 2025825 PMAQI
15th Nov 2025836 PMAQI
15th Nov 2025867 PMAQI
15th Nov 2025878 PMAQI
15th Nov 2025819 PMAQI
15th Nov 20257110 PMAQI
15th Nov 20256211 PMAQI
16th Nov 20256112 AMAQI
16th Nov 2025611 AMAQI
16th Nov 2025612 AMAQI
16th Nov 2025613 AMAQI
16th Nov 2025624 AMAQI
16th Nov 2025615 AMAQI
21°C19/22°C
16th Nov 2025596 AMAQI
16th Nov 2025567 AMAQI
16th Nov 2025588 AMAQI
16th Nov 2025589 AMAQI
16th Nov 20255910 AMAQI
16th Nov 20256511 AMAQI
16th Nov 20256212 PMAQI
16th Nov 2025611 PMAQI
16th Nov 2025632 PMAQI
16th Nov 2025623 PMAQI
16th Nov 2025624 PMAQI
16th Nov 2025625 PMAQI
16th Nov 2025636 PMAQI
16th Nov 2025647 PMAQI
16th Nov 2025638 PMAQI
16th Nov 2025639 PMAQI
16th Nov 20256310 PMAQI
16th Nov 20256211 PMAQI
17th Nov 20256212 AMAQI
17th Nov 2025611 AMAQI
17th Nov 2025612 AMAQI
17th Nov 2025633 AMAQI
17th Nov 2025604 AMAQI
17th Nov 2025575 AMAQI
23°C21/26°C
17th Nov 2025566 AMAQI
17th Nov 2025567 AMAQI
17th Nov 2025558 AMAQI
17th Nov 2025559 AMAQI
17th Nov 20255810 AMAQI
17th Nov 20256111 AMAQI
17th Nov 20256412 PMAQI
17th Nov 2025671 PMAQI
17th Nov 2025672 PMAQI
17th Nov 2025643 PMAQI
17th Nov 2025614 PMAQI
17th Nov 2025605 PMAQI
17th Nov 2025626 PMAQI
17th Nov 2025657 PMAQI
17th Nov 2025668 PMAQI
17th Nov 2025689 PMAQI
17th Nov 20256910 PMAQI
17th Nov 20256711 PMAQI
18th Nov 20256412 AMAQI
18th Nov 2025631 AMAQI
18th Nov 2025642 AMAQI
18th Nov 2025683 AMAQI
18th Nov 2025694 AMAQI
18th Nov 2025695 AMAQI
22°C20/26°C
18th Nov 2025716 AMAQI
18th Nov 2025747 AMAQI
18th Nov 2025818 AMAQI
18th Nov 2025839 AMAQI
18th Nov 20258310 AMAQI
18th Nov 20258811 AMAQI
18th Nov 20259112 PMAQI
18th Nov 2025961 PMAQI
18th Nov 2025962 PMAQI
18th Nov 2025963 PMAQI
18th Nov 2025984 PMAQI
18th Nov 20251005 PMAQI
18th Nov 2025986 PMAQI
18th Nov 20251067 PMAQI
18th Nov 20251148 PMAQI
18th Nov 20251109 PMAQI
18th Nov 202511710 PMAQI
18th Nov 202511111 PMAQI
19th Nov 202510512 AMAQI
19th Nov 20251011 AMAQI
19th Nov 2025702 AMAQI
19th Nov 2025673 AMAQI
19th Nov 2025624 AMAQI
19th Nov 2025475 AMAQI
20°C16/23°C
19th Nov 2025466 AMAQI
19th Nov 2025517 AMAQI
19th Nov 2025508 AMAQI
19th Nov 2025509 AMAQI
19th Nov 20255010 AMAQI
19th Nov 20255011 AMAQI
19th Nov 20255012 PMAQI
19th Nov 2025551 PMAQI
19th Nov 2025562 PMAQI
19th Nov 2025573 PMAQI
19th Nov 2025594 PMAQI
19th Nov 2025675 PMAQI
19th Nov 2025656 PMAQI
19th Nov 2025627 PMAQI
19th Nov 2025648 PMAQI
19th Nov 2025659 PMAQI
19th Nov 20256910 PMAQI
19th Nov 20257411 PMAQI
20th Nov 20257612 AMAQI
20th Nov 2025731 AMAQI
20th Nov 2025682 AMAQI
20th Nov 2025673 AMAQI
20th Nov 2025654 AMAQI
20th Nov 2025675 AMAQI
15°C13/16°C
20th Nov 2025626 AMAQI
20th Nov 2025587 AMAQI
20th Nov 2025598 AMAQI
20th Nov 2025629 AMAQI
20th Nov 20255610 AMAQI
20th Nov 20255511 AMAQI
20th Nov 20255512 PMAQI
20th Nov 2025571 PMAQI
20th Nov 2025612 PMAQI
20th Nov 2025603 PMAQI
20th Nov 2025594 PMAQI
20th Nov 2025585 PMAQI
20th Nov 2025596 PMAQI
20th Nov 2025577 PMAQI
20th Nov 2025588 PMAQI
20th Nov 2025629 PMAQI
20th Nov 20255910 PMAQI
20th Nov 20256011 PMAQI
21st Nov 20256712 AMAQI
21st Nov 2025671 AMAQI
21st Nov 2025702 AMAQI
21st Nov 2025793 AMAQI
21st Nov 2025774 AMAQI
21st Nov 2025755 AMAQI
16°C13/19°C
21st Nov 2025786 AMAQI
21st Nov 2025747 AMAQI
21st Nov 2025688 AMAQI
21st Nov 2025699 AMAQI
21st Nov 20256810 AMAQI
21st Nov 20257611 AMAQI
21st Nov 20258212 PMAQI
21st Nov 2025741 PMAQI
21st Nov 2025682 PMAQI
21st Nov 2025673 PMAQI
21st Nov 2025654 PMAQI
21st Nov 2025595 PMAQI
21st Nov 2025586 PMAQI
21st Nov 2025587 PMAQI
21st Nov 2025618 PMAQI
21st Nov 2025659 PMAQI
21st Nov 20256910 PMAQI
21st Nov 20256811 PMAQI
22nd Nov 20256812 AMAQI
22nd Nov 2025671 AMAQI
22nd Nov 2025682 AMAQI
22nd Nov 2025693 AMAQI
22nd Nov 2025684 AMAQI
22nd Nov 2025685 AMAQI
17°C13/22°C
22nd Nov 2025666 AMAQI
22nd Nov 2025667 AMAQI
22nd Nov 2025658 AMAQI
22nd Nov 2025659 AMAQI
22nd Nov 20256410 AMAQI
22nd Nov 20256511 AMAQI
22nd Nov 20256412 PMAQI
22nd Nov 2025671 PMAQI
22nd Nov 2025702 PMAQI
22nd Nov 2025733 PMAQI
22nd Nov 2025744 PMAQI
22nd Nov 2025745 PMAQI
22nd Nov 2025746 PMAQI
22nd Nov 2025737 PMAQI
22nd Nov 2025738 PMAQI
22nd Nov 2025749 PMAQI
22nd Nov 20257510 PMAQI
22nd Nov 20257611 PMAQI
23rd Nov 20257512 AMAQI
23rd Nov 2025771 AMAQI
23rd Nov 2025772 AMAQI
23rd Nov 2025803 AMAQI
23rd Nov 2025804 AMAQI
23rd Nov 2025775 AMAQI
18°C14/23°C
23rd Nov 2025766 AMAQI
23rd Nov 2025747 AMAQI
23rd Nov 2025738 AMAQI
23rd Nov 2025739 AMAQI
23rd Nov 20256910 AMAQI
23rd Nov 20257111 AMAQI
23rd Nov 20258212 PMAQI
23rd Nov 2025801 PMAQI
23rd Nov 2025782 PMAQI
23rd Nov 2025753 PMAQI
23rd Nov 2025774 PMAQI
23rd Nov 2025795 PMAQI
23rd Nov 2025806 PMAQI
23rd Nov 2025807 PMAQI
23rd Nov 2025818 PMAQI
23rd Nov 2025879 PMAQI
23rd Nov 20259110 PMAQI
23rd Nov 20259111 PMAQI
24th Nov 20259212 AMAQI
24th Nov 2025911 AMAQI
24th Nov 2025882 AMAQI
24th Nov 2025893 AMAQI
24th Nov 2025914 AMAQI
24th Nov 2025915 AMAQI
20°C19/22°C
24th Nov 2025916 AMAQI
24th Nov 2025927 AMAQI
24th Nov 2025938 AMAQI
24th Nov 2025919 AMAQI
24th Nov 20258710 AMAQI
24th Nov 20258711 AMAQI
24th Nov 20258912 PMAQI
24th Nov 2025881 PMAQI
24th Nov 2025872 PMAQI
24th Nov 2025873 PMAQI
24th Nov 2025854 PMAQI
24th Nov 2025865 PMAQI
24th Nov 2025886 PMAQI
24th Nov 2025907 PMAQI
24th Nov 2025928 PMAQI
24th Nov 2025929 PMAQI
24th Nov 20259310 PMAQI
24th Nov 202510411 PMAQI
25th Nov 202510212 AMAQI
25th Nov 20251191 AMAQI
25th Nov 20251192 AMAQI
25th Nov 20251263 AMAQI
25th Nov 20251094 AMAQI
25th Nov 2025985 AMAQI
21°C18/24°C
25th Nov 2025946 AMAQI
25th Nov 2025937 AMAQI
25th Nov 2025938 AMAQI
25th Nov 2025909 AMAQI
25th Nov 20259010 AMAQI
25th Nov 20259111 AMAQI
25th Nov 20258812 PMAQI
25th Nov 2025871 PMAQI
25th Nov 2025792 PMAQI
25th Nov 2025753 PMAQI
25th Nov 2025714 PMAQI
25th Nov 2025675 PMAQI
25th Nov 2025666 PMAQI
25th Nov 2025667 PMAQI
25th Nov 2025708 PMAQI
25th Nov 2025709 PMAQI
25th Nov 20257110 PMAQI
25th Nov 20257711 PMAQI
26th Nov 20257612 AMAQI
26th Nov 2025781 AMAQI
26th Nov 2025752 AMAQI
26th Nov 2025753 AMAQI
26th Nov 2025744 AMAQI
26th Nov 2025745 AMAQI
--°C/°C
26th Nov 2025746 AMAQI
6 AM12 PM
6 PM
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 6 PM
65AQI
13 hours / Day
390 hours / Month
Avg. Lowest Time
6 AM - 6 PM
65AQI
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. 65), while the lowest AQI was between 6 AM to 6 PM (Avg. 65).
Night time
Avg. Highest Time
12 AM - 11 PM
67AQI
11 hours / Day
330 hours / Month
Avg. Lowest Time
12 AM - 11 PM
67AQI
11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 67), while the lowest AQI was between 12 AM to 11 PM (Avg. 67).
2025 Days Vs Air Quality
City First Secondary School Sub Station, Nada, Hainan, China
2025
49%
162
47%
156
3%
11
Total number of days with different AQI categories in last 329 days in 2025 (36 days remaining)
Good
162 DaysModerate
156 DaysPoor
11 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 49%
Health Risk Level:
Significant
In 2025, 49% of 329 days were within WHO’s safe air quality limits, and 51% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
City First Secondary School Sub Station, Nada, 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
110AQI
110AQI
2nd January 2025
98AQI
98AQI
3rd January 2025
100AQI
100AQI
4th January 2025
91AQI
91AQI
5th January 2025
106AQI
106AQI
6th January 2025
102AQI
102AQI
7th January 2025
85AQI
85AQI
8th January 2025
84AQI
84AQI
9th January 2025
96AQI
96AQI
10th January 2025
115AQI
115AQI
11th January 2025
90AQI
90AQI
12th January 2025
89AQI
89AQI
13th January 2025
74AQI
74AQI
14th January 2025
69AQI
69AQI
15th January 2025
89AQI
89AQI
16th January 2025
92AQI
92AQI
17th January 2025
102AQI
102AQI
18th January 2025
82AQI
82AQI
19th January 2025
95AQI
95AQI
20th January 2025
88AQI
88AQI
21st January 2025
81AQI
81AQI
22nd January 2025
89AQI
89AQI
23rd January 2025
70AQI
70AQI
24th January 2025
65AQI
65AQI
25th January 2025
59AQI
59AQI
26th January 2025
56AQI
56AQI
27th January 2025
62AQI
62AQI
28th January 2025
70AQI
70AQI
29th January 2025
74AQI
74AQI
30th January 2025
66AQI
66AQI
31st January 2025
65AQI
65AQI
1st February 2025
57AQI
57AQI
2nd February 2025
53AQI
53AQI
3rd February 2025
61AQI
61AQI
4th February 2025
56AQI
56AQI
5th February 2025
50AQI
50AQI
6th February 2025
61AQI
61AQI
7th February 2025
68AQI
68AQI
8th February 2025
60AQI
60AQI
9th February 2025
69AQI
69AQI
10th February 2025
60AQI
60AQI
11th February 2025
58AQI
58AQI
12th February 2025
45AQI
45AQI
13th February 2025
58AQI
58AQI
14th February 2025
40AQI
40AQI
15th February 2025
63AQI
63AQI
16th February 2025
48AQI
48AQI
17th February 2025
72AQI
72AQI
18th February 2025
63AQI
63AQI
19th February 2025
69AQI
69AQI
20th February 2025
59AQI
59AQI
21st February 2025
62AQI
62AQI
22nd February 2025
45AQI
45AQI
23rd February 2025
47AQI
47AQI
24th February 2025
48AQI
48AQI
25th February 2025
44AQI
44AQI
26th February 2025
50AQI
50AQI
27th February 2025
52AQI
52AQI
28th February 2025
55AQI
55AQI
1st March 2025
61AQI
61AQI
2nd March 2025
54AQI
54AQI
3rd March 2025
67AQI
67AQI
4th March 2025
70AQI
70AQI
5th March 2025
81AQI
81AQI
6th March 2025
41AQI
41AQI
7th March 2025
45AQI
45AQI
8th March 2025
39AQI
39AQI
9th March 2025
57AQI
57AQI
10th March 2025
54AQI
54AQI
11th March 2025
55AQI
55AQI
12th March 2025
50AQI
50AQI
13th March 2025
50AQI
50AQI
14th March 2025
47AQI
47AQI
15th March 2025
63AQI
63AQI
16th March 2025
45AQI
45AQI
17th March 2025
68AQI
68AQI
18th March 2025
69AQI
69AQI
19th March 2025
81AQI
81AQI
20th March 2025
76AQI
76AQI
21st March 2025
77AQI
77AQI
22nd March 2025
75AQI
75AQI
23rd March 2025
86AQI
86AQI
24th March 2025
76AQI
76AQI
25th March 2025
84AQI
84AQI
26th March 2025
81AQI
81AQI
27th March 2025
89AQI
89AQI
28th March 2025
90AQI
90AQI
29th March 2025
58AQI
58AQI
30th March 2025
39AQI
39AQI
31st March 2025
47AQI
47AQI
1st April 2025
52AQI
52AQI
2nd April 2025
62AQI
62AQI
3rd April 2025
59AQI
59AQI
4th April 2025
62AQI
62AQI
5th April 2025
66AQI
66AQI
6th April 2025
43AQI
43AQI
7th April 2025
60AQI
60AQI
8th April 2025
57AQI
57AQI
9th April 2025
65AQI
65AQI
10th April 2025
66AQI
66AQI
11th April 2025
75AQI
75AQI
12th April 2025
70AQI
70AQI
13th April 2025
131AQI
131AQI
14th April 2025
131AQI
131AQI
15th April 2025
128AQI
128AQI
16th April 2025
101AQI
101AQI
17th April 2025
104AQI
104AQI
18th April 2025
86AQI
86AQI
19th April 2025
70AQI
70AQI
20th April 2025
71AQI
71AQI
21st April 2025
59AQI
59AQI
22nd April 2025
66AQI
66AQI
23rd April 2025
61AQI
61AQI
24th April 2025
66AQI
66AQI
25th April 2025
67AQI
67AQI
26th April 2025
57AQI
57AQI
27th April 2025
56AQI
56AQI
28th April 2025
52AQI
52AQI
29th April 2025
46AQI
46AQI
30th April 2025
48AQI
48AQI
1st May 2025
50AQI
50AQI
2nd May 2025
54AQI
54AQI
3rd May 2025
61AQI
61AQI
4th May 2025
63AQI
63AQI
5th May 2025
57AQI
57AQI
6th May 2025
63AQI
63AQI
7th May 2025
62AQI
62AQI
8th May 2025
60AQI
60AQI
9th May 2025
55AQI
55AQI
10th May 2025
51AQI
51AQI
11th May 2025
56AQI
56AQI
12th May 2025
62AQI
62AQI
13th May 2025
56AQI
56AQI
14th May 2025
48AQI
48AQI
15th May 2025
42AQI
42AQI
16th May 2025
42AQI
42AQI
17th May 2025
42AQI
42AQI
18th May 2025
43AQI
43AQI
19th May 2025
43AQI
43AQI
20th May 2025
43AQI
43AQI
21st May 2025
48AQI
48AQI
22nd May 2025
43AQI
43AQI
23rd May 2025
44AQI
44AQI
24th May 2025
44AQI
44AQI
25th May 2025
52AQI
52AQI
26th May 2025
62AQI
62AQI
27th May 2025
52AQI
52AQI
28th May 2025
46AQI
46AQI
29th May 2025
45AQI
45AQI
30th May 2025
45AQI
45AQI
31st May 2025
41AQI
41AQI
1st June 2025
43AQI
43AQI
2nd June 2025
36AQI
36AQI
3rd June 2025
52AQI
52AQI
4th June 2025
56AQI
56AQI
5th June 2025
52AQI
52AQI
6th June 2025
46AQI
46AQI
7th June 2025
50AQI
50AQI
8th June 2025
47AQI
47AQI
9th June 2025
49AQI
49AQI
10th June 2025
53AQI
53AQI
11th June 2025
43AQI
43AQI
12th June 2025
31AQI
31AQI
13th June 2025
26AQI
26AQI
14th June 2025
29AQI
29AQI
15th June 2025
32AQI
32AQI
16th June 2025
37AQI
37AQI
17th June 2025
35AQI
35AQI
18th June 2025
32AQI
32AQI
19th June 2025
32AQI
32AQI
20th June 2025
32AQI
32AQI
21st June 2025
35AQI
35AQI
22nd June 2025
39AQI
39AQI
23rd June 2025
35AQI
35AQI
24th June 2025
35AQI
35AQI
25th June 2025
33AQI
33AQI
26th June 2025
33AQI
33AQI
27th June 2025
34AQI
34AQI
28th June 2025
32AQI
32AQI
29th June 2025
33AQI
33AQI
30th June 2025
31AQI
31AQI
1st July 2025
29AQI
29AQI
2nd July 2025
27AQI
27AQI
3rd July 2025
28AQI
28AQI
4th July 2025
31AQI
31AQI
5th July 2025
32AQI
32AQI
6th July 2025
34AQI
34AQI
7th July 2025
30AQI
30AQI
8th July 2025
36AQI
36AQI
9th July 2025
39AQI
39AQI
10th July 2025
42AQI
42AQI
11th July 2025
42AQI
42AQI
12th July 2025
42AQI
42AQI
13th July 2025
45AQI
45AQI
14th July 2025
48AQI
48AQI
15th July 2025
48AQI
48AQI
16th July 2025
50AQI
50AQI
17th July 2025
47AQI
47AQI
18th July 2025
46AQI
46AQI
19th July 2025
44AQI
44AQI
20th July 2025
41AQI
41AQI
21st July 2025
38AQI
38AQI
22nd July 2025
36AQI
36AQI
23rd July 2025
35AQI
35AQI
24th July 2025
33AQI
33AQI
25th July 2025
34AQI
34AQI
26th July 2025
36AQI
36AQI
27th July 2025
37AQI
37AQI
28th July 2025
33AQI
33AQI
29th July 2025
32AQI
32AQI
30th July 2025
32AQI
32AQI
31st July 2025
40AQI
40AQI
1st August 2025
55AQI
55AQI
2nd August 2025
54AQI
54AQI
3rd August 2025
57AQI
57AQI
4th August 2025
57AQI
57AQI
5th August 2025
55AQI
55AQI
6th August 2025
53AQI
53AQI
7th August 2025
51AQI
51AQI
8th August 2025
52AQI
52AQI
9th August 2025
52AQI
52AQI
10th August 2025
53AQI
53AQI
11th August 2025
46AQI
46AQI
12th August 2025
50AQI
50AQI
13th August 2025
47AQI
47AQI
14th August 2025
43AQI
43AQI
15th August 2025
38AQI
38AQI
16th August 2025
37AQI
37AQI
17th August 2025
35AQI
35AQI
18th August 2025
35AQI
35AQI
19th August 2025
34AQI
34AQI
20th August 2025
36AQI
36AQI
21st August 2025
37AQI
37AQI
22nd August 2025
36AQI
36AQI
23rd August 2025
38AQI
38AQI
24th August 2025
38AQI
38AQI
25th August 2025
38AQI
38AQI
26th August 2025
37AQI
37AQI
27th August 2025
37AQI
37AQI
28th August 2025
37AQI
37AQI
29th August 2025
41AQI
41AQI
30th August 2025
37AQI
37AQI
31st August 2025
37AQI
37AQI
1st September 2025
36AQI
36AQI
2nd September 2025
38AQI
38AQI
3rd September 2025
38AQI
38AQI
4th September 2025
36AQI
36AQI
5th September 2025
33AQI
33AQI
6th September 2025
33AQI
33AQI
7th September 2025
46AQI
46AQI
8th September 2025
44AQI
44AQI
9th September 2025
37AQI
37AQI
10th September 2025
38AQI
38AQI
11th September 2025
34AQI
34AQI
12th September 2025
35AQI
35AQI
13th September 2025
34AQI
34AQI
14th September 2025
33AQI
33AQI
15th September 2025
30AQI
30AQI
16th September 2025
28AQI
28AQI
17th September 2025
27AQI
27AQI
18th September 2025
26AQI
26AQI
19th September 2025
25AQI
25AQI
20th September 2025
32AQI
32AQI
21st September 2025
39AQI
39AQI
22nd September 2025
31AQI
31AQI
23rd September 2025
34AQI
34AQI
24th September 2025
36AQI
36AQI
25th September 2025
32AQI
32AQI
26th September 2025
31AQI
31AQI
27th September 2025
45AQI
45AQI
28th September 2025
21AQI
21AQI
29th September 2025
27AQI
27AQI
30th September 2025
35AQI
35AQI
1st October 2025
44AQI
44AQI
2nd October 2025
41AQI
41AQI
3rd October 2025
45AQI
45AQI
4th October 2025
46AQI
46AQI
5th October 2025
50AQI
50AQI
6th October 2025
44AQI
44AQI
7th October 2025
51AQI
51AQI
8th October 2025
46AQI
46AQI
9th October 2025
58AQI
58AQI
10th October 2025
63AQI
63AQI
11th October 2025
58AQI
58AQI
12th October 2025
50AQI
50AQI
13th October 2025
45AQI
45AQI
14th October 2025
50AQI
50AQI
15th October 2025
46AQI
46AQI
16th October 2025
57AQI
57AQI
17th October 2025
58AQI
58AQI
18th October 2025
67AQI
67AQI
19th October 2025
73AQI
73AQI
20th October 2025
71AQI
71AQI
21st October 2025
51AQI
51AQI
22nd October 2025
45AQI
45AQI
23rd October 2025
51AQI
51AQI
24th October 2025
65AQI
65AQI
25th October 2025
72AQI
72AQI
26th October 2025
78AQI
78AQI
27th October 2025
75AQI
75AQI
28th October 2025
66AQI
66AQI
29th October 2025
71AQI
71AQI
30th October 2025
27AQI
27AQI
31st October 2025
59AQI
59AQI
1st November 2025
76AQI
76AQI
2nd November 2025
77AQI
77AQI
3rd November 2025
68AQI
68AQI
4th November 2025
58AQI
58AQI
5th November 2025
42AQI
42AQI
6th November 2025
63AQI
63AQI
7th November 2025
42AQI
42AQI
8th November 2025
36AQI
36AQI
9th November 2025
50AQI
50AQI
10th November 2025
88AQI
88AQI
11th November 2025
63AQI
63AQI
12th November 2025
61AQI
61AQI
13th November 2025
77AQI
77AQI
14th November 2025
73AQI
73AQI
15th November 2025
72AQI
72AQI
16th November 2025
62AQI
62AQI
17th November 2025
62AQI
62AQI
18th November 2025
85AQI
85AQI
19th November 2025
70AQI
70AQI
20th November 2025
64AQI
64AQI
21st November 2025
68AQI
68AQI
22nd November 2025
70AQI
70AQI
23rd November 2025
79AQI
79AQI
24th November 2025
91AQI
91AQI
25th November 2025
102AQI
102AQI
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
84AQI
56AQI
64AQI
71AQI
51AQI
38AQI
38AQI
44AQI
34AQI
56AQI
68AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202555AQI
26
5
9
19
9
22
3
22
5
16
15
26
4
31
21
10
30
13
18
4
20
1
162
156
11
Highest AQI recorded in
January84AQI
Lowest AQI recorded in
September34AQI
202453AQI
6
16
7
8
2
8
13
1
1
17
2
19
5
30
31
30
1
21
8
13
15
3
5
25
25
6
171
133
14
Highest AQI recorded in
December82AQI
Lowest AQI recorded in
July27AQI
202359AQI
1
8
1
1
1
9
3
2
1
1
1
5
2
9
2
3
2
1
9
20
1
31
46
6
Highest AQI recorded in
November81AQI
Lowest AQI recorded in
September26AQI
202248AQI
10
18
16
5
10
21
3
13
1
21
10
30
18
1
2
7
10
14
1
19
4
4
8
1
144
100
3
Highest AQI recorded in
October62AQI
Lowest AQI recorded in
August17AQI
202153AQI
25
6
8
20
6
25
11
19
23
8
20
10
31
24
4
25
5
23
8
10
18
2
4
23
4
185
165
12
Highest AQI recorded in
January84AQI
Lowest AQI recorded in
July35AQI
202058AQI
21
4
25
5
11
20
10
15
5
6
17
8
73
61
13
Highest AQI recorded in
December80AQI
Lowest AQI recorded in
August39AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
59AQILeast Polluted Year Recorded
2022(Avg.)
48AQICity First Secondary School Sub Station's annual 2025 AQI (55) shows an average percentage change of 1.5% (worsened AQI) compared to previous years: 2020 (58), 2021 (53), 2022 (48), 2023 (59), 2024 (53).
