Chunan Environmental Protection Building, Baisha, Zhejiang, 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
Chunan Environmental Protection Building, Baisha, Zhejiang, China
2021
2022
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
8th Oct 2025
127AQILowest AQI recorded on
11th Oct 2021
18AQISame Day Analysis (12th October ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 118 of Poor air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 12th Oct - 13th Oct 2025
Chunan Environmental Protection Building, Baisha, Zhejiang, China
AQI
Day
Night
.
5 AM12th Oct 2025
5 PM
4 AM13th Oct 2025
Day time
Avg. Highest Time
11AM12th Oct
150AQI
Avg. Lowest Time
5PM12th Oct
85AQI
Night time
Avg. Highest Time
5AM12th Oct
143AQI
Avg. Lowest Time
7PM12th Oct
76AQI
In the last 24 hours,
Chunan Environmental Protection Building's AQI reached its highest point of 150 at 11 AM during the Day, while the lowest point, 76, was recorded at 7 PM during the Night between 12th Oct and 13th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Chunan Environmental Protection Building, Baisha, Zhejiang, China
SepOct
13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th
Day
Night
13th Sep 2025565 AMAQI
13th Sep 2025566 AMAQI
13th Sep 2025567 AMAQI
13th Sep 2025548 AMAQI
13th Sep 2025589 AMAQI
13th Sep 20255710 AMAQI
13th Sep 20256011 AMAQI
13th Sep 20256212 PMAQI
13th Sep 2025601 PMAQI
13th Sep 2025582 PMAQI
13th Sep 2025563 PMAQI
13th Sep 2025564 PMAQI
13th Sep 2025525 PMAQI
13th Sep 2025516 PMAQI
13th Sep 2025537 PMAQI
13th Sep 2025548 PMAQI
13th Sep 2025539 PMAQI
13th Sep 20255110 PMAQI
13th Sep 20255311 PMAQI
14th Sep 20255412 AMAQI
14th Sep 2025571 AMAQI
14th Sep 2025572 AMAQI
14th Sep 2025573 AMAQI
14th Sep 2025574 AMAQI
28°C24/34°C
14th Sep 2025575 AMAQI
14th Sep 2025566 AMAQI
14th Sep 2025577 AMAQI
14th Sep 2025568 AMAQI
14th Sep 2025609 AMAQI
14th Sep 20255410 AMAQI
14th Sep 20255411 AMAQI
14th Sep 20255012 PMAQI
14th Sep 2025541 PMAQI
14th Sep 2025522 PMAQI
14th Sep 2025543 PMAQI
14th Sep 2025564 PMAQI
14th Sep 2025505 PMAQI
14th Sep 2025526 PMAQI
14th Sep 2025537 PMAQI
14th Sep 2025538 PMAQI
14th Sep 2025539 PMAQI
14th Sep 20255310 PMAQI
14th Sep 20255511 PMAQI
15th Sep 20255412 AMAQI
15th Sep 2025561 AMAQI
15th Sep 2025572 AMAQI
15th Sep 2025563 AMAQI
15th Sep 2025564 AMAQI
27°C23/33°C
15th Sep 2025565 AMAQI
15th Sep 2025566 AMAQI
15th Sep 2025567 AMAQI
15th Sep 2025608 AMAQI
15th Sep 2025639 AMAQI
15th Sep 20256010 AMAQI
15th Sep 20256311 AMAQI
15th Sep 20255612 PMAQI
15th Sep 2025541 PMAQI
15th Sep 2025532 PMAQI
15th Sep 2025503 PMAQI
15th Sep 2025494 PMAQI
15th Sep 2025515 PMAQI
15th Sep 2025536 PMAQI
15th Sep 2025577 PMAQI
15th Sep 2025588 PMAQI
15th Sep 2025669 PMAQI
15th Sep 20256410 PMAQI
15th Sep 20256411 PMAQI
16th Sep 20256012 AMAQI
16th Sep 2025561 AMAQI
16th Sep 2025562 AMAQI
16th Sep 2025563 AMAQI
16th Sep 2025564 AMAQI
27°C22/35°C
16th Sep 2025565 AMAQI
16th Sep 2025566 AMAQI
16th Sep 2025567 AMAQI
16th Sep 2025628 AMAQI
16th Sep 2025659 AMAQI
16th Sep 20256510 AMAQI
16th Sep 20256511 AMAQI
16th Sep 20256012 PMAQI
16th Sep 2025581 PMAQI
16th Sep 2025562 PMAQI
16th Sep 2025563 PMAQI
16th Sep 2025534 PMAQI
16th Sep 2025605 PMAQI
16th Sep 2025566 PMAQI
16th Sep 2025577 PMAQI
16th Sep 2025618 PMAQI
16th Sep 2025649 PMAQI
16th Sep 20256610 PMAQI
16th Sep 20256211 PMAQI
17th Sep 20256212 AMAQI
17th Sep 2025561 AMAQI
17th Sep 2025562 AMAQI
17th Sep 2025563 AMAQI
17th Sep 2025574 AMAQI
28°C22/35°C
17th Sep 2025575 AMAQI
17th Sep 2025566 AMAQI
17th Sep 2025577 AMAQI
17th Sep 2025618 AMAQI
17th Sep 2025609 AMAQI
17th Sep 20256310 AMAQI
17th Sep 20256011 AMAQI
17th Sep 20256712 PMAQI
17th Sep 2025601 PMAQI
17th Sep 2025562 PMAQI
17th Sep 2025583 PMAQI
17th Sep 2025564 PMAQI
17th Sep 2025545 PMAQI
17th Sep 2025476 PMAQI
17th Sep 2025567 PMAQI
17th Sep 2025568 PMAQI
17th Sep 2025589 PMAQI
17th Sep 20256010 PMAQI
17th Sep 20256111 PMAQI
18th Sep 20255912 AMAQI
18th Sep 2025581 AMAQI
18th Sep 2025572 AMAQI
18th Sep 2025583 AMAQI
18th Sep 2025594 AMAQI
28°C22/36°C
18th Sep 2025595 AMAQI
18th Sep 2025586 AMAQI
18th Sep 2025587 AMAQI
18th Sep 2025578 AMAQI
18th Sep 2025549 AMAQI
18th Sep 20255510 AMAQI
18th Sep 20255311 AMAQI
18th Sep 20254212 PMAQI
18th Sep 2025501 PMAQI
18th Sep 2025442 PMAQI
18th Sep 2025543 PMAQI
18th Sep 2025534 PMAQI
18th Sep 2025545 PMAQI
18th Sep 2025526 PMAQI
18th Sep 2025557 PMAQI
18th Sep 2025568 PMAQI
18th Sep 2025589 PMAQI
18th Sep 20255810 PMAQI
18th Sep 20255411 PMAQI
19th Sep 20255612 AMAQI
19th Sep 2025581 AMAQI
19th Sep 2025582 AMAQI
19th Sep 2025583 AMAQI
19th Sep 2025584 AMAQI
25°C23/30°C
19th Sep 2025585 AMAQI
19th Sep 2025586 AMAQI
19th Sep 2025587 AMAQI
19th Sep 2025558 AMAQI
19th Sep 2025549 AMAQI
19th Sep 20255410 AMAQI
19th Sep 20255011 AMAQI
19th Sep 20255412 PMAQI
19th Sep 2025371 PMAQI
19th Sep 2025382 PMAQI
19th Sep 2025353 PMAQI
19th Sep 2025424 PMAQI
19th Sep 2025405 PMAQI
19th Sep 2025446 PMAQI
19th Sep 2025527 PMAQI
19th Sep 2025558 PMAQI
19th Sep 2025579 PMAQI
19th Sep 20255410 PMAQI
19th Sep 20255411 PMAQI
20th Sep 20255112 AMAQI
20th Sep 2025581 AMAQI
20th Sep 2025582 AMAQI
20th Sep 2025583 AMAQI
20th Sep 2025574 AMAQI
26°C22/32°C
20th Sep 2025575 AMAQI
20th Sep 2025576 AMAQI
20th Sep 2025577 AMAQI
20th Sep 2025488 AMAQI
20th Sep 2025409 AMAQI
20th Sep 20254210 AMAQI
20th Sep 20254211 AMAQI
20th Sep 20254612 PMAQI
20th Sep 2025501 PMAQI
20th Sep 2025562 PMAQI
20th Sep 2025563 PMAQI
20th Sep 2025544 PMAQI
20th Sep 2025525 PMAQI
20th Sep 2025526 PMAQI
20th Sep 2025597 PMAQI
20th Sep 2025598 PMAQI
20th Sep 2025609 PMAQI
20th Sep 20255910 PMAQI
20th Sep 20255611 PMAQI
21st Sep 20255612 AMAQI
21st Sep 2025561 AMAQI
21st Sep 2025572 AMAQI
21st Sep 2025563 AMAQI
21st Sep 2025574 AMAQI
23°C21/24°C
21st Sep 2025565 AMAQI
21st Sep 2025566 AMAQI
21st Sep 2025567 AMAQI
21st Sep 2025418 AMAQI
21st Sep 2025329 AMAQI
21st Sep 20253810 AMAQI
21st Sep 20254611 AMAQI
21st Sep 20255612 PMAQI
21st Sep 2025521 PMAQI
21st Sep 2025522 PMAQI
21st Sep 2025553 PMAQI
21st Sep 2025584 PMAQI
21st Sep 2025595 PMAQI
21st Sep 2025586 PMAQI
21st Sep 2025607 PMAQI
21st Sep 2025598 PMAQI
21st Sep 2025609 PMAQI
21st Sep 20256210 PMAQI
21st Sep 20256011 PMAQI
22nd Sep 20255712 AMAQI
22nd Sep 2025571 AMAQI
22nd Sep 2025562 AMAQI
22nd Sep 2025563 AMAQI
22nd Sep 2025544 AMAQI
21°C20/21°C
22nd Sep 2025545 AMAQI
22nd Sep 2025546 AMAQI
22nd Sep 2025557 AMAQI
22nd Sep 2025528 AMAQI
22nd Sep 2025579 AMAQI
22nd Sep 20254810 AMAQI
22nd Sep 20255311 AMAQI
22nd Sep 20255412 PMAQI
22nd Sep 2025481 PMAQI
22nd Sep 2025382 PMAQI
22nd Sep 2025443 PMAQI
22nd Sep 2025454 PMAQI
22nd Sep 2025445 PMAQI
22nd Sep 2025486 PMAQI
22nd Sep 2025567 PMAQI
22nd Sep 2025598 PMAQI
22nd Sep 2025629 PMAQI
22nd Sep 20256410 PMAQI
22nd Sep 20256011 PMAQI
23rd Sep 20256012 AMAQI
23rd Sep 2025581 AMAQI
23rd Sep 2025572 AMAQI
23rd Sep 2025563 AMAQI
23rd Sep 2025554 AMAQI
24°C19/29°C
23rd Sep 2025565 AMAQI
23rd Sep 2025566 AMAQI
23rd Sep 2025557 AMAQI
23rd Sep 2025628 AMAQI
23rd Sep 2025629 AMAQI
23rd Sep 20255710 AMAQI
23rd Sep 20255811 AMAQI
23rd Sep 20256012 PMAQI
23rd Sep 2025531 PMAQI
23rd Sep 2025522 PMAQI
23rd Sep 2025483 PMAQI
23rd Sep 2025424 PMAQI
23rd Sep 2025445 PMAQI
23rd Sep 2025496 PMAQI
23rd Sep 2025497 PMAQI
23rd Sep 2025558 PMAQI
23rd Sep 2025579 PMAQI
23rd Sep 20255610 PMAQI
23rd Sep 20255611 PMAQI
24th Sep 20255412 AMAQI
24th Sep 2025561 AMAQI
24th Sep 2025562 AMAQI
24th Sep 2025583 AMAQI
24th Sep 2025584 AMAQI
25°C21/30°C
24th Sep 2025565 AMAQI
24th Sep 2025576 AMAQI
24th Sep 2025567 AMAQI
24th Sep 2025358 AMAQI
24th Sep 2025319 AMAQI
24th Sep 20253210 AMAQI
24th Sep 20253411 AMAQI
24th Sep 20253212 PMAQI
24th Sep 2025351 PMAQI
24th Sep 2025322 PMAQI
24th Sep 2025333 PMAQI
24th Sep 2025344 PMAQI
24th Sep 2025335 PMAQI
24th Sep 2025386 PMAQI
24th Sep 2025487 PMAQI
24th Sep 2025528 PMAQI
24th Sep 2025519 PMAQI
24th Sep 20255410 PMAQI
24th Sep 20255311 PMAQI
25th Sep 20255412 AMAQI
25th Sep 2025561 AMAQI
25th Sep 2025582 AMAQI
25th Sep 2025563 AMAQI
25th Sep 2025544 AMAQI
25°C24/27°C
25th Sep 2025545 AMAQI
25th Sep 2025546 AMAQI
25th Sep 2025547 AMAQI
25th Sep 2025408 AMAQI
25th Sep 2025419 AMAQI
25th Sep 20254410 AMAQI
25th Sep 20253811 AMAQI
25th Sep 20253812 PMAQI
25th Sep 2025271 PMAQI
25th Sep 2025182 PMAQI
25th Sep 2025183 PMAQI
25th Sep 2025224 PMAQI
25th Sep 2025265 PMAQI
25th Sep 2025326 PMAQI
25th Sep 2025397 PMAQI
25th Sep 2025398 PMAQI
25th Sep 2025479 PMAQI
25th Sep 20255010 PMAQI
25th Sep 20255311 PMAQI
26th Sep 20255312 AMAQI
26th Sep 2025521 AMAQI
26th Sep 2025542 AMAQI
26th Sep 2025533 AMAQI
26th Sep 2025504 AMAQI
27°C23/33°C
26th Sep 2025445 AMAQI
26th Sep 2025476 AMAQI
26th Sep 2025537 AMAQI
26th Sep 2025568 AMAQI
26th Sep 2025569 AMAQI
26th Sep 20255410 AMAQI
26th Sep 20254811 AMAQI
26th Sep 20254212 PMAQI
26th Sep 2025331 PMAQI
26th Sep 2025262 PMAQI
26th Sep 2025223 PMAQI
26th Sep 2025274 PMAQI
26th Sep 2025315 PMAQI
26th Sep 2025316 PMAQI
26th Sep 2025437 PMAQI
26th Sep 2025568 PMAQI
26th Sep 2025589 PMAQI
26th Sep 20255710 PMAQI
26th Sep 20255411 PMAQI
27th Sep 20255512 AMAQI
27th Sep 2025591 AMAQI
27th Sep 2025592 AMAQI
27th Sep 2025643 AMAQI
27th Sep 2025674 AMAQI
27°C22/33°C
27th Sep 2025645 AMAQI
27th Sep 2025636 AMAQI
27th Sep 2025627 AMAQI
27th Sep 2025698 AMAQI
27th Sep 2025749 AMAQI
27th Sep 20257110 AMAQI
27th Sep 20256911 AMAQI
27th Sep 20256212 PMAQI
27th Sep 2025571 PMAQI
27th Sep 2025482 PMAQI
27th Sep 2025423 PMAQI
27th Sep 2025474 PMAQI
27th Sep 2025545 PMAQI
27th Sep 2025566 PMAQI
27th Sep 2025607 PMAQI
27th Sep 2025658 PMAQI
27th Sep 2025689 PMAQI
27th Sep 20256710 PMAQI
27th Sep 20256311 PMAQI
28th Sep 20256312 AMAQI
28th Sep 2025731 AMAQI
28th Sep 2025872 AMAQI
28th Sep 2025853 AMAQI
28th Sep 2025704 AMAQI
27°C23/33°C
28th Sep 2025695 AMAQI
28th Sep 2025706 AMAQI
28th Sep 2025717 AMAQI
28th Sep 2025718 AMAQI
28th Sep 2025649 AMAQI
28th Sep 20256110 AMAQI
28th Sep 20256611 AMAQI
28th Sep 20256012 PMAQI
28th Sep 2025591 PMAQI
28th Sep 2025562 PMAQI
28th Sep 2025543 PMAQI
28th Sep 2025484 PMAQI
28th Sep 2025445 PMAQI
28th Sep 2025486 PMAQI
28th Sep 2025587 PMAQI
28th Sep 2025658 PMAQI
28th Sep 2025639 PMAQI
28th Sep 20256410 PMAQI
28th Sep 20257111 PMAQI
29th Sep 20257312 AMAQI
29th Sep 2025811 AMAQI
29th Sep 2025842 AMAQI
29th Sep 2025863 AMAQI
29th Sep 2025864 AMAQI
27°C23/34°C
29th Sep 2025835 AMAQI
29th Sep 2025846 AMAQI
29th Sep 2025847 AMAQI
29th Sep 2025878 AMAQI
29th Sep 2025919 AMAQI
29th Sep 20259210 AMAQI
29th Sep 20259511 AMAQI
29th Sep 20259612 PMAQI
29th Sep 2025961 PMAQI
29th Sep 2025942 PMAQI
29th Sep 2025843 PMAQI
29th Sep 2025804 PMAQI
29th Sep 2025795 PMAQI
29th Sep 2025816 PMAQI
29th Sep 2025717 PMAQI
29th Sep 2025698 PMAQI
29th Sep 2025709 PMAQI
29th Sep 20257110 PMAQI
29th Sep 20256811 PMAQI
30th Sep 20256912 AMAQI
30th Sep 2025761 AMAQI
30th Sep 2025712 AMAQI
30th Sep 2025763 AMAQI
30th Sep 2025684 AMAQI
26°C23/32°C
30th Sep 2025685 AMAQI
30th Sep 2025856 AMAQI
30th Sep 2025847 AMAQI
30th Sep 2025788 AMAQI
30th Sep 2025799 AMAQI
30th Sep 20258610 AMAQI
30th Sep 20258611 AMAQI
30th Sep 202510412 PMAQI
30th Sep 20251071 PMAQI
30th Sep 2025872 PMAQI
30th Sep 2025743 PMAQI
30th Sep 2025734 PMAQI
30th Sep 2025685 PMAQI
30th Sep 2025616 PMAQI
30th Sep 2025627 PMAQI
30th Sep 2025588 PMAQI
30th Sep 2025539 PMAQI
30th Sep 20255610 PMAQI
30th Sep 20256211 PMAQI
1st Oct 20255812 AMAQI
1st Oct 2025621 AMAQI
1st Oct 2025602 AMAQI
1st Oct 2025673 AMAQI
1st Oct 2025704 AMAQI
26°C22/31°C
1st Oct 2025795 AMAQI
1st Oct 2025766 AMAQI
1st Oct 2025687 AMAQI
1st Oct 2025718 AMAQI
1st Oct 2025789 AMAQI
1st Oct 20257410 AMAQI
1st Oct 20258211 AMAQI
1st Oct 20259112 PMAQI
1st Oct 2025841 PMAQI
1st Oct 2025772 PMAQI
1st Oct 2025773 PMAQI
1st Oct 2025774 PMAQI
1st Oct 2025815 PMAQI
1st Oct 2025776 PMAQI
1st Oct 2025767 PMAQI
1st Oct 2025738 PMAQI
1st Oct 2025769 PMAQI
1st Oct 20257710 PMAQI
1st Oct 20257411 PMAQI
2nd Oct 20257712 AMAQI
2nd Oct 2025791 AMAQI
2nd Oct 2025802 AMAQI
2nd Oct 2025813 AMAQI
2nd Oct 2025804 AMAQI
25°C21/31°C
2nd Oct 2025845 AMAQI
2nd Oct 2025806 AMAQI
2nd Oct 2025907 AMAQI
2nd Oct 2025948 AMAQI
2nd Oct 2025969 AMAQI
2nd Oct 20258910 AMAQI
2nd Oct 20258611 AMAQI
2nd Oct 20257412 PMAQI
2nd Oct 2025661 PMAQI
2nd Oct 2025652 PMAQI
2nd Oct 2025593 PMAQI
2nd Oct 2025604 PMAQI
2nd Oct 2025605 PMAQI
2nd Oct 2025616 PMAQI
2nd Oct 2025607 PMAQI
2nd Oct 2025708 PMAQI
2nd Oct 2025789 PMAQI
2nd Oct 20257910 PMAQI
2nd Oct 20257711 PMAQI
3rd Oct 20257512 AMAQI
3rd Oct 2025791 AMAQI
3rd Oct 2025782 AMAQI
3rd Oct 2025853 AMAQI
3rd Oct 2025754 AMAQI
26°C21/33°C
3rd Oct 2025955 AMAQI
3rd Oct 2025896 AMAQI
3rd Oct 2025987 AMAQI
3rd Oct 2025958 AMAQI
3rd Oct 2025879 AMAQI
3rd Oct 20258410 AMAQI
3rd Oct 20257111 AMAQI
3rd Oct 20256612 PMAQI
3rd Oct 2025601 PMAQI
3rd Oct 2025592 PMAQI
3rd Oct 2025623 PMAQI
3rd Oct 2025624 PMAQI
3rd Oct 2025635 PMAQI
3rd Oct 2025686 PMAQI
3rd Oct 2025567 PMAQI
3rd Oct 2025778 PMAQI
3rd Oct 20251079 PMAQI
3rd Oct 20259810 PMAQI
3rd Oct 20259511 PMAQI
4th Oct 20259212 AMAQI
4th Oct 2025911 AMAQI
4th Oct 2025882 AMAQI
4th Oct 2025903 AMAQI
4th Oct 2025884 AMAQI
27°C23/34°C
4th Oct 2025935 AMAQI
4th Oct 20251016 AMAQI
4th Oct 20251127 AMAQI
4th Oct 20251148 AMAQI
4th Oct 20251209 AMAQI
4th Oct 20259610 AMAQI
4th Oct 20259611 AMAQI
4th Oct 20259012 PMAQI
4th Oct 2025811 PMAQI
4th Oct 2025692 PMAQI
4th Oct 2025593 PMAQI
4th Oct 2025574 PMAQI
4th Oct 2025545 PMAQI
4th Oct 2025516 PMAQI
4th Oct 2025517 PMAQI
4th Oct 2025558 PMAQI
4th Oct 2025559 PMAQI
4th Oct 20255510 PMAQI
4th Oct 20256011 PMAQI
5th Oct 20256512 AMAQI
5th Oct 2025641 AMAQI
5th Oct 2025672 AMAQI
5th Oct 2025753 AMAQI
5th Oct 2025714 AMAQI
27°C23/33°C
5th Oct 2025735 AMAQI
5th Oct 2025766 AMAQI
5th Oct 2025697 AMAQI
5th Oct 2025768 AMAQI
5th Oct 2025759 AMAQI
5th Oct 20257410 AMAQI
5th Oct 20256911 AMAQI
5th Oct 20256212 PMAQI
5th Oct 2025581 PMAQI
5th Oct 2025582 PMAQI
5th Oct 2025593 PMAQI
5th Oct 2025574 PMAQI
5th Oct 2025565 PMAQI
5th Oct 2025616 PMAQI
5th Oct 2025677 PMAQI
5th Oct 2025748 PMAQI
5th Oct 2025799 PMAQI
5th Oct 20258310 PMAQI
5th Oct 20258311 PMAQI
6th Oct 202510012 AMAQI
6th Oct 2025981 AMAQI
6th Oct 20251002 AMAQI
6th Oct 20251023 AMAQI
6th Oct 20251014 AMAQI
27°C22/34°C
6th Oct 2025965 AMAQI
6th Oct 2025986 AMAQI
6th Oct 20251077 AMAQI
6th Oct 20251038 AMAQI
6th Oct 20251009 AMAQI
6th Oct 202510310 AMAQI
6th Oct 20259711 AMAQI
6th Oct 20259012 PMAQI
6th Oct 2025801 PMAQI
6th Oct 2025692 PMAQI
6th Oct 2025613 PMAQI
6th Oct 2025574 PMAQI
6th Oct 2025505 PMAQI
6th Oct 2025576 PMAQI
6th Oct 2025637 PMAQI
6th Oct 2025758 PMAQI
6th Oct 2025789 PMAQI
6th Oct 20258210 PMAQI
6th Oct 20258411 PMAQI
7th Oct 20259912 AMAQI
7th Oct 2025911 AMAQI
28°C23/35°C
7th Oct 2025667 PMAQI
7th Oct 20251118 PMAQI
7th Oct 20251369 PMAQI
7th Oct 202513210 PMAQI
7th Oct 202513711 PMAQI
8th Oct 202515012 AMAQI
8th Oct 20251161 AMAQI
8th Oct 20251552 AMAQI
8th Oct 20251643 AMAQI
8th Oct 20251644 AMAQI
27°C23/35°C
8th Oct 20251635 AMAQI
8th Oct 20251636 AMAQI
8th Oct 20251607 AMAQI
8th Oct 20251598 AMAQI
8th Oct 20251539 AMAQI
8th Oct 202514610 AMAQI
8th Oct 202514211 AMAQI
8th Oct 202511112 PMAQI
8th Oct 2025941 PMAQI
8th Oct 2025842 PMAQI
8th Oct 2025773 PMAQI
8th Oct 2025734 PMAQI
8th Oct 2025695 PMAQI
8th Oct 2025726 PMAQI
8th Oct 2025787 PMAQI
8th Oct 2025858 PMAQI
8th Oct 20251129 PMAQI
8th Oct 202510210 PMAQI
8th Oct 202511311 PMAQI
9th Oct 202511712 AMAQI
9th Oct 20251201 AMAQI
9th Oct 20251142 AMAQI
9th Oct 20251023 AMAQI
9th Oct 2025994 AMAQI
26°C22/32°C
9th Oct 2025905 AMAQI
9th Oct 20251026 AMAQI
9th Oct 20251047 AMAQI
9th Oct 20251078 AMAQI
9th Oct 20251009 AMAQI
9th Oct 20259210 AMAQI
9th Oct 20258011 AMAQI
9th Oct 20258412 PMAQI
9th Oct 2025841 PMAQI
9th Oct 2025812 PMAQI
9th Oct 2025773 PMAQI
9th Oct 2025684 PMAQI
9th Oct 2025625 PMAQI
9th Oct 2025686 PMAQI
9th Oct 2025797 PMAQI
9th Oct 20251048 PMAQI
9th Oct 20251189 PMAQI
9th Oct 20259510 PMAQI
9th Oct 20258111 PMAQI
10th Oct 20257512 AMAQI
10th Oct 2025721 AMAQI
10th Oct 2025732 AMAQI
10th Oct 2025713 AMAQI
10th Oct 2025744 AMAQI
25°C20/32°C
10th Oct 2025835 AMAQI
10th Oct 2025886 AMAQI
10th Oct 2025937 AMAQI
10th Oct 2025988 AMAQI
10th Oct 2025999 AMAQI
10th Oct 20259410 AMAQI
10th Oct 20259611 AMAQI
10th Oct 20258212 PMAQI
10th Oct 2025821 PMAQI
10th Oct 2025782 PMAQI
10th Oct 2025743 PMAQI
10th Oct 2025684 PMAQI
10th Oct 2025675 PMAQI
10th Oct 2025646 PMAQI
10th Oct 2025717 PMAQI
10th Oct 2025758 PMAQI
10th Oct 2025739 PMAQI
10th Oct 20257010 PMAQI
10th Oct 20257711 PMAQI
11th Oct 20259312 AMAQI
11th Oct 2025861 AMAQI
11th Oct 2025902 AMAQI
11th Oct 2025943 AMAQI
11th Oct 20251254 AMAQI
26°C20/34°C
11th Oct 20251065 AMAQI
11th Oct 20251176 AMAQI
11th Oct 20251127 AMAQI
11th Oct 20251108 AMAQI
11th Oct 20251109 AMAQI
11th Oct 202510810 AMAQI
11th Oct 20259211 AMAQI
11th Oct 20258012 PMAQI
11th Oct 2025711 PMAQI
11th Oct 2025682 PMAQI
11th Oct 2025683 PMAQI
11th Oct 2025644 PMAQI
11th Oct 2025645 PMAQI
11th Oct 2025646 PMAQI
11th Oct 2025647 PMAQI
11th Oct 2025748 PMAQI
11th Oct 2025879 PMAQI
11th Oct 20259110 PMAQI
11th Oct 20259311 PMAQI
12th Oct 20259912 AMAQI
12th Oct 20251031 AMAQI
12th Oct 20251302 AMAQI
12th Oct 20251403 AMAQI
12th Oct 20251314 AMAQI
27°C21/34°C
12th Oct 20251435 AMAQI
12th Oct 20251326 AMAQI
12th Oct 20251327 AMAQI
12th Oct 20251488 AMAQI
12th Oct 20251499 AMAQI
12th Oct 202514610 AMAQI
12th Oct 202515011 AMAQI
12th Oct 202512612 PMAQI
12th Oct 20251241 PMAQI
12th Oct 20251072 PMAQI
12th Oct 2025953 PMAQI
12th Oct 2025944 PMAQI
12th Oct 2025855 PMAQI
12th Oct 2025786 PMAQI
12th Oct 2025767 PMAQI
12th Oct 2025798 PMAQI
12th Oct 2025839 PMAQI
12th Oct 20258910 PMAQI
12th Oct 20259211 PMAQI
13th Oct 202510012 AMAQI
13th Oct 2025991 AMAQI
13th Oct 20251082 AMAQI
13th Oct 20251213 AMAQI
13th Oct 20251304 AMAQI
27°C23/34°C
13th Oct 20251445 AMAQI
5 AM13th Oct 20251446 AMAQI
13th Oct 20251577 AMAQI
13th Oct 20251548 AMAQI
13th Oct 20251589 AMAQI
13th Oct 202514810 AMAQI
13th Oct 202511511 AMAQI
11 AM13th Oct 20258812 PMAQI
13th Oct 2025781 PMAQI
5 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 9 AM
79AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
3 PM - 5 PM
56AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 9 AM (Avg. 79), while the lowest AQI was between 3 PM to 5 PM (Avg. 56).
Night time
Avg. Highest Time
2 AM - 4 AM
76AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
6 PM
56AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 4 AM (Avg. 76), while the lowest AQI was between 6 PM to 6 PM (Avg. 56).
2025 Days Vs Air Quality
Chunan Environmental Protection Building, Baisha, Zhejiang, China
2025
13%
37
70%
199
16%
46
1%
3
Total number of days with different AQI categories in last 286 days in 2025 (79 days remaining)
Good
37 DaysModerate
199 DaysPoor
46 DaysUnhealthy
3 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 13%
Health Risk Level:
Extreme
In 2025, 13% of 286 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
Chunan Environmental Protection Building, Baisha, Zhejiang, 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
152AQI
152AQI
2nd January 2025
146AQI
146AQI
3rd January 2025
151AQI
151AQI
4th January 2025
149AQI
149AQI
5th January 2025
145AQI
145AQI
6th January 2025
139AQI
139AQI
7th January 2025
140AQI
140AQI
8th January 2025
144AQI
144AQI
9th January 2025
115AQI
115AQI
10th January 2025
94AQI
94AQI
11th January 2025
100AQI
100AQI
12th January 2025
111AQI
111AQI
13th January 2025
120AQI
120AQI
14th January 2025
118AQI
118AQI
15th January 2025
107AQI
107AQI
16th January 2025
98AQI
98AQI
17th January 2025
106AQI
106AQI
18th January 2025
115AQI
115AQI
19th January 2025
112AQI
112AQI
20th January 2025
137AQI
137AQI
21st January 2025
147AQI
147AQI
22nd January 2025
152AQI
152AQI
23rd January 2025
146AQI
146AQI
24th January 2025
113AQI
113AQI
25th January 2025
95AQI
95AQI
26th January 2025
78AQI
78AQI
27th January 2025
69AQI
69AQI
28th January 2025
80AQI
80AQI
29th January 2025
125AQI
125AQI
30th January 2025
109AQI
109AQI
31st January 2025
116AQI
116AQI
1st February 2025
70AQI
70AQI
2nd February 2025
80AQI
80AQI
3rd February 2025
112AQI
112AQI
4th February 2025
98AQI
98AQI
5th February 2025
89AQI
89AQI
6th February 2025
92AQI
92AQI
7th February 2025
79AQI
79AQI
8th February 2025
66AQI
66AQI
9th February 2025
75AQI
75AQI
10th February 2025
92AQI
92AQI
11th February 2025
99AQI
99AQI
12th February 2025
118AQI
118AQI
13th February 2025
135AQI
135AQI
14th February 2025
143AQI
143AQI
15th February 2025
133AQI
133AQI
16th February 2025
104AQI
104AQI
17th February 2025
113AQI
113AQI
18th February 2025
91AQI
91AQI
19th February 2025
99AQI
99AQI
20th February 2025
71AQI
71AQI
21st February 2025
68AQI
68AQI
22nd February 2025
71AQI
71AQI
23rd February 2025
108AQI
108AQI
24th February 2025
122AQI
122AQI
25th February 2025
140AQI
140AQI
26th February 2025
131AQI
131AQI
27th February 2025
118AQI
118AQI
28th February 2025
97AQI
97AQI
1st March 2025
101AQI
101AQI
2nd March 2025
85AQI
85AQI
3rd March 2025
68AQI
68AQI
4th March 2025
65AQI
65AQI
5th March 2025
72AQI
72AQI
6th March 2025
80AQI
80AQI
7th March 2025
99AQI
99AQI
8th March 2025
103AQI
103AQI
9th March 2025
119AQI
119AQI
10th March 2025
126AQI
126AQI
11th March 2025
143AQI
143AQI
12th March 2025
114AQI
114AQI
13th March 2025
90AQI
90AQI
14th March 2025
81AQI
81AQI
15th March 2025
51AQI
51AQI
16th March 2025
83AQI
83AQI
17th March 2025
63AQI
63AQI
18th March 2025
76AQI
76AQI
19th March 2025
80AQI
80AQI
20th March 2025
77AQI
77AQI
21st March 2025
77AQI
77AQI
22nd March 2025
78AQI
78AQI
23rd March 2025
90AQI
90AQI
24th March 2025
94AQI
94AQI
25th March 2025
97AQI
97AQI
26th March 2025
109AQI
109AQI
27th March 2025
102AQI
102AQI
28th March 2025
90AQI
90AQI
29th March 2025
86AQI
86AQI
30th March 2025
85AQI
85AQI
31st March 2025
79AQI
79AQI
1st April 2025
85AQI
85AQI
2nd April 2025
84AQI
84AQI
3rd April 2025
93AQI
93AQI
4th April 2025
98AQI
98AQI
5th April 2025
90AQI
90AQI
6th April 2025
92AQI
92AQI
7th April 2025
91AQI
91AQI
8th April 2025
95AQI
95AQI
9th April 2025
97AQI
97AQI
10th April 2025
85AQI
85AQI
11th April 2025
86AQI
86AQI
12th April 2025
110AQI
110AQI
13th April 2025
98AQI
98AQI
14th April 2025
104AQI
104AQI
15th April 2025
85AQI
85AQI
16th April 2025
88AQI
88AQI
17th April 2025
94AQI
94AQI
18th April 2025
92AQI
92AQI
19th April 2025
88AQI
88AQI
20th April 2025
88AQI
88AQI
21st April 2025
85AQI
85AQI
22nd April 2025
76AQI
76AQI
23rd April 2025
82AQI
82AQI
24th April 2025
76AQI
76AQI
25th April 2025
76AQI
76AQI
26th April 2025
72AQI
72AQI
27th April 2025
74AQI
74AQI
28th April 2025
78AQI
78AQI
29th April 2025
80AQI
80AQI
30th April 2025
83AQI
83AQI
1st May 2025
81AQI
81AQI
2nd May 2025
80AQI
80AQI
3rd May 2025
84AQI
84AQI
4th May 2025
78AQI
78AQI
5th May 2025
74AQI
74AQI
6th May 2025
84AQI
84AQI
7th May 2025
96AQI
96AQI
8th May 2025
78AQI
78AQI
9th May 2025
71AQI
71AQI
10th May 2025
74AQI
74AQI
11th May 2025
74AQI
74AQI
12th May 2025
76AQI
76AQI
13th May 2025
80AQI
80AQI
14th May 2025
82AQI
82AQI
15th May 2025
93AQI
93AQI
16th May 2025
77AQI
77AQI
17th May 2025
77AQI
77AQI
18th May 2025
80AQI
80AQI
19th May 2025
75AQI
75AQI
20th May 2025
70AQI
70AQI
21st May 2025
68AQI
68AQI
22nd May 2025
67AQI
67AQI
23rd May 2025
65AQI
65AQI
24th May 2025
83AQI
83AQI
25th May 2025
87AQI
87AQI
26th May 2025
90AQI
90AQI
27th May 2025
93AQI
93AQI
28th May 2025
80AQI
80AQI
29th May 2025
73AQI
73AQI
30th May 2025
77AQI
77AQI
31st May 2025
77AQI
77AQI
1st June 2025
69AQI
69AQI
2nd June 2025
63AQI
63AQI
3rd June 2025
64AQI
64AQI
4th June 2025
71AQI
71AQI
5th June 2025
69AQI
69AQI
6th June 2025
74AQI
74AQI
7th June 2025
74AQI
74AQI
8th June 2025
67AQI
67AQI
9th June 2025
66AQI
66AQI
10th June 2025
65AQI
65AQI
11th June 2025
61AQI
61AQI
12th June 2025
61AQI
61AQI
13th June 2025
56AQI
56AQI
14th June 2025
58AQI
58AQI
15th June 2025
59AQI
59AQI
16th June 2025
63AQI
63AQI
17th June 2025
61AQI
61AQI
18th June 2025
53AQI
53AQI
19th June 2025
53AQI
53AQI
20th June 2025
49AQI
49AQI
21st June 2025
46AQI
46AQI
22nd June 2025
38AQI
38AQI
23rd June 2025
42AQI
42AQI
24th June 2025
45AQI
45AQI
25th June 2025
55AQI
55AQI
26th June 2025
54AQI
54AQI
27th June 2025
54AQI
54AQI
28th June 2025
50AQI
50AQI
29th June 2025
51AQI
51AQI
30th June 2025
49AQI
49AQI
1st July 2025
45AQI
45AQI
2nd July 2025
46AQI
46AQI
3rd July 2025
51AQI
51AQI
4th July 2025
55AQI
55AQI
5th July 2025
56AQI
56AQI
6th July 2025
53AQI
53AQI
7th July 2025
51AQI
51AQI
8th July 2025
52AQI
52AQI
9th July 2025
49AQI
49AQI
10th July 2025
51AQI
51AQI
11th July 2025
50AQI
50AQI
12th July 2025
46AQI
46AQI
13th July 2025
49AQI
49AQI
14th July 2025
54AQI
54AQI
15th July 2025
59AQI
59AQI
16th July 2025
63AQI
63AQI
17th July 2025
58AQI
58AQI
18th July 2025
59AQI
59AQI
19th July 2025
48AQI
48AQI
20th July 2025
43AQI
43AQI
21st July 2025
39AQI
39AQI
22nd July 2025
42AQI
42AQI
23rd July 2025
40AQI
40AQI
24th July 2025
42AQI
42AQI
25th July 2025
45AQI
45AQI
26th July 2025
38AQI
38AQI
27th July 2025
43AQI
43AQI
28th July 2025
40AQI
40AQI
29th July 2025
44AQI
44AQI
30th July 2025
45AQI
45AQI
31st July 2025
48AQI
48AQI
1st August 2025
55AQI
55AQI
2nd August 2025
58AQI
58AQI
3rd August 2025
57AQI
57AQI
4th August 2025
59AQI
59AQI
5th August 2025
56AQI
56AQI
6th August 2025
52AQI
52AQI
7th August 2025
47AQI
47AQI
8th August 2025
54AQI
54AQI
9th August 2025
53AQI
53AQI
10th August 2025
59AQI
59AQI
11th August 2025
58AQI
58AQI
12th August 2025
59AQI
59AQI
13th August 2025
50AQI
50AQI
14th August 2025
44AQI
44AQI
15th August 2025
44AQI
44AQI
16th August 2025
48AQI
48AQI
17th August 2025
50AQI
50AQI
18th August 2025
50AQI
50AQI
19th August 2025
53AQI
53AQI
20th August 2025
54AQI
54AQI
21st August 2025
54AQI
54AQI
22nd August 2025
52AQI
52AQI
23rd August 2025
52AQI
52AQI
24th August 2025
54AQI
54AQI
25th August 2025
54AQI
54AQI
26th August 2025
53AQI
53AQI
27th August 2025
51AQI
51AQI
28th August 2025
49AQI
49AQI
29th August 2025
53AQI
53AQI
30th August 2025
54AQI
54AQI
31st August 2025
54AQI
54AQI
1st September 2025
56AQI
56AQI
2nd September 2025
56AQI
56AQI
3rd September 2025
59AQI
59AQI
4th September 2025
60AQI
60AQI
5th September 2025
64AQI
64AQI
6th September 2025
63AQI
63AQI
7th September 2025
65AQI
65AQI
8th September 2025
60AQI
60AQI
9th September 2025
57AQI
57AQI
10th September 2025
57AQI
57AQI
11th September 2025
56AQI
56AQI
12th September 2025
55AQI
55AQI
13th September 2025
56AQI
56AQI
14th September 2025
55AQI
55AQI
15th September 2025
57AQI
57AQI
16th September 2025
59AQI
59AQI
17th September 2025
58AQI
58AQI
18th September 2025
55AQI
55AQI
19th September 2025
52AQI
52AQI
20th September 2025
54AQI
54AQI
21st September 2025
55AQI
55AQI
22nd September 2025
54AQI
54AQI
23rd September 2025
55AQI
55AQI
24th September 2025
46AQI
46AQI
25th September 2025
42AQI
42AQI
26th September 2025
47AQI
47AQI
27th September 2025
60AQI
60AQI
28th September 2025
64AQI
64AQI
29th September 2025
80AQI
80AQI
30th September 2025
72AQI
72AQI
1st October 2025
72AQI
72AQI
2nd October 2025
77AQI
77AQI
3rd October 2025
77AQI
77AQI
4th October 2025
80AQI
80AQI
5th October 2025
68AQI
68AQI
6th October 2025
94AQI
94AQI
7th October 2025
116AQI
116AQI
8th October 2025
127AQI
127AQI
9th October 2025
95AQI
95AQI
10th October 2025
78AQI
78AQI
11th October 2025
89AQI
89AQI
12th October 2025
118AQI
118AQI
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
120AQI
101AQI
89AQI
88AQI
79AQI
58AQI
49AQI
53AQI
58AQI
91AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202577AQI
7
21
3
16
12
23
8
28
2
31
7
23
19
12
8
23
3
27
9
3
37
199
46
3
Highest AQI recorded in
January120AQI
Lowest AQI recorded in
July49AQI
202471AQI
15
1
1
2
4
8
2
28
9
22
3
28
7
22
7
23
1
4
24
2
4
25
2
36
177
29
2
Highest AQI recorded in
December122AQI
Lowest AQI recorded in
July51AQI
202379AQI
3
31
34
Highest AQI recorded in
November79AQI
Lowest AQI recorded in
December79AQI
202254AQI
6
5
8
10
3
11
19
1
4
13
10
21
21
9
16
7
1
6
22
2
83
108
4
Highest AQI recorded in
October80AQI
Lowest AQI recorded in
August28AQI
202157AQI
1
13
6
11
13
26
5
21
10
12
18
10
13
12
15
2
1
22
5
2
94
109
13
2
Highest AQI recorded in
January86AQI
Lowest AQI recorded in
July38AQI
202061AQI
5
8
3
14
4
7
11
26
4
21
9
12
17
10
19
1
6
24
1
8
20
2
1
16
13
1
99
142
21
1
Highest AQI recorded in
December98AQI
Lowest AQI recorded in
June36AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
79AQILeast Polluted Year Recorded
2022(Avg.)
54AQIChunan Environmental Protection Building's annual 2025 AQI (77) shows an average percentage change of 22.4% (worsened AQI) compared to previous years: 2020 (61), 2021 (57), 2022 (54), 2023 (79), 2024 (71).
