Putuo Mountain, Zhoushan, 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+
September Air Quality Analysis
Putuo Mountain, Zhoushan, Zhejiang, China
2021
2022
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
6th Sep 2024
90AQILowest AQI recorded on
12th Sep 2021
14AQISame Day Analysis (29th September ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 3rd highest AQI at 46 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 29th Sep - 30th Sep 2025
Putuo Mountain, Zhoushan, Zhejiang, China
AQI
Day
Night
.
5 AM29th Sep 2025
5 PM
4 AM30th Sep 2025
Day time
Avg. Highest Time
7AM29th Sep
53AQI
Avg. Lowest Time
6AM29th Sep
39AQI
Night time
Avg. Highest Time
6PM29th Sep
53AQI
Avg. Lowest Time
12AM30th Sep
26AQI
In the last 24 hours,
Putuo Mountain's AQI reached its highest point of 53 at 7 AM during the Day, while the lowest point, 26, was recorded at 12 AM during the Night between 29th Sep and 30th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Putuo Mountain, Zhoushan, Zhejiang, China
AugSep
31st - 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 - 27th27th - 28th28th - 29th29th - 30th30th
Day
Night
31st Aug 2025485 AMAQI
31st Aug 2025496 AMAQI
31st Aug 2025497 AMAQI
31st Aug 2025428 AMAQI
31st Aug 2025409 AMAQI
31st Aug 20254610 AMAQI
31st Aug 20254711 AMAQI
31st Aug 20254212 PMAQI
31st Aug 2025411 PMAQI
31st Aug 2025602 PMAQI
31st Aug 2025553 PMAQI
31st Aug 2025494 PMAQI
31st Aug 2025395 PMAQI
31st Aug 2025516 PMAQI
31st Aug 2025537 PMAQI
31st Aug 2025468 PMAQI
31st Aug 2025509 PMAQI
31st Aug 20254810 PMAQI
31st Aug 20254911 PMAQI
1st Sep 20255012 AMAQI
1st Sep 2025491 AMAQI
1st Sep 2025482 AMAQI
1st Sep 2025493 AMAQI
1st Sep 2025504 AMAQI
28°C27/29°C
1st Sep 2025515 AMAQI
1st Sep 2025516 AMAQI
1st Sep 2025527 AMAQI
1st Sep 2025608 AMAQI
1st Sep 2025639 AMAQI
1st Sep 20256010 AMAQI
1st Sep 20255911 AMAQI
1st Sep 20255812 PMAQI
1st Sep 2025581 PMAQI
1st Sep 2025622 PMAQI
1st Sep 2025573 PMAQI
1st Sep 2025584 PMAQI
1st Sep 2025555 PMAQI
1st Sep 2025586 PMAQI
1st Sep 2025567 PMAQI
1st Sep 2025558 PMAQI
1st Sep 2025569 PMAQI
1st Sep 20255210 PMAQI
1st Sep 20255711 PMAQI
2nd Sep 20255412 AMAQI
2nd Sep 2025511 AMAQI
2nd Sep 2025522 AMAQI
2nd Sep 2025523 AMAQI
2nd Sep 2025524 AMAQI
28°C27/29°C
2nd Sep 2025535 AMAQI
2nd Sep 2025536 AMAQI
2nd Sep 2025537 AMAQI
2nd Sep 2025578 AMAQI
2nd Sep 2025579 AMAQI
2nd Sep 20255710 AMAQI
2nd Sep 20255611 AMAQI
2nd Sep 20255812 PMAQI
2nd Sep 2025501 PMAQI
2nd Sep 2025542 PMAQI
2nd Sep 2025553 PMAQI
2nd Sep 2025524 PMAQI
2nd Sep 2025445 PMAQI
2nd Sep 2025426 PMAQI
2nd Sep 2025507 PMAQI
2nd Sep 2025498 PMAQI
2nd Sep 2025419 PMAQI
2nd Sep 20254710 PMAQI
2nd Sep 20255111 PMAQI
3rd Sep 20255012 AMAQI
3rd Sep 2025521 AMAQI
3rd Sep 2025522 AMAQI
3rd Sep 2025543 AMAQI
3rd Sep 2025544 AMAQI
28°C27/29°C
3rd Sep 2025545 AMAQI
3rd Sep 2025546 AMAQI
3rd Sep 2025547 AMAQI
3rd Sep 2025468 AMAQI
3rd Sep 2025469 AMAQI
3rd Sep 20254810 AMAQI
3rd Sep 20255111 AMAQI
3rd Sep 20255812 PMAQI
3rd Sep 2025571 PMAQI
3rd Sep 2025582 PMAQI
3rd Sep 2025623 PMAQI
3rd Sep 2025564 PMAQI
3rd Sep 2025525 PMAQI
3rd Sep 2025526 PMAQI
3rd Sep 2025557 PMAQI
3rd Sep 2025568 PMAQI
3rd Sep 2025549 PMAQI
3rd Sep 20255410 PMAQI
3rd Sep 20255211 PMAQI
4th Sep 20255112 AMAQI
4th Sep 2025561 AMAQI
4th Sep 2025562 AMAQI
4th Sep 2025563 AMAQI
4th Sep 2025554 AMAQI
28°C27/29°C
4th Sep 2025545 AMAQI
4th Sep 2025566 AMAQI
4th Sep 2025587 AMAQI
4th Sep 2025638 AMAQI
4th Sep 2025659 AMAQI
4th Sep 20255710 AMAQI
4th Sep 20256011 AMAQI
4th Sep 20255512 PMAQI
4th Sep 2025591 PMAQI
4th Sep 2025562 PMAQI
4th Sep 2025573 PMAQI
4th Sep 2025604 PMAQI
4th Sep 2025365 PMAQI
4th Sep 2025396 PMAQI
4th Sep 2025397 PMAQI
4th Sep 2025368 PMAQI
4th Sep 2025309 PMAQI
4th Sep 20253010 PMAQI
4th Sep 20253111 PMAQI
5th Sep 20253412 AMAQI
5th Sep 2025541 AMAQI
5th Sep 2025562 AMAQI
5th Sep 2025573 AMAQI
5th Sep 2025564 AMAQI
28°C27/30°C
5th Sep 2025575 AMAQI
5th Sep 2025566 AMAQI
5th Sep 2025567 AMAQI
5th Sep 2025558 AMAQI
5th Sep 2025609 AMAQI
5th Sep 20255410 AMAQI
5th Sep 20255311 AMAQI
5th Sep 20255912 PMAQI
5th Sep 2025631 PMAQI
5th Sep 2025642 PMAQI
5th Sep 2025603 PMAQI
5th Sep 2025624 PMAQI
5th Sep 2025635 PMAQI
5th Sep 2025646 PMAQI
5th Sep 2025567 PMAQI
5th Sep 2025548 PMAQI
5th Sep 2025589 PMAQI
5th Sep 20255910 PMAQI
5th Sep 20255711 PMAQI
6th Sep 20255012 AMAQI
6th Sep 2025561 AMAQI
6th Sep 2025612 AMAQI
6th Sep 2025593 AMAQI
6th Sep 2025574 AMAQI
28°C28/29°C
6th Sep 2025585 AMAQI
6th Sep 2025596 AMAQI
6th Sep 2025567 AMAQI
6th Sep 2025498 AMAQI
6th Sep 2025449 AMAQI
6th Sep 20254610 AMAQI
6th Sep 20254611 AMAQI
6th Sep 20255312 PMAQI
6th Sep 2025581 PMAQI
6th Sep 2025432 PMAQI
6th Sep 2025473 PMAQI
6th Sep 2025764 PMAQI
6th Sep 2025415 PMAQI
6th Sep 2025416 PMAQI
6th Sep 2025537 PMAQI
6th Sep 2025588 PMAQI
6th Sep 2025639 PMAQI
6th Sep 20255710 PMAQI
6th Sep 20255811 PMAQI
7th Sep 20256212 AMAQI
7th Sep 2025561 AMAQI
7th Sep 2025552 AMAQI
7th Sep 2025573 AMAQI
7th Sep 2025574 AMAQI
29°C28/30°C
7th Sep 2025565 AMAQI
7th Sep 2025576 AMAQI
7th Sep 2025577 AMAQI
7th Sep 2025558 AMAQI
7th Sep 2025579 AMAQI
7th Sep 20255310 AMAQI
7th Sep 20255411 AMAQI
7th Sep 20255512 PMAQI
7th Sep 2025631 PMAQI
7th Sep 2025542 PMAQI
7th Sep 2025683 PMAQI
7th Sep 2025794 PMAQI
7th Sep 2025685 PMAQI
7th Sep 2025606 PMAQI
7th Sep 2025627 PMAQI
7th Sep 2025628 PMAQI
7th Sep 2025609 PMAQI
7th Sep 20255610 PMAQI
7th Sep 20255211 PMAQI
8th Sep 20255412 AMAQI
8th Sep 2025551 AMAQI
8th Sep 2025552 AMAQI
8th Sep 2025563 AMAQI
8th Sep 2025584 AMAQI
29°C28/30°C
8th Sep 2025575 AMAQI
8th Sep 2025586 AMAQI
8th Sep 2025577 AMAQI
8th Sep 2025588 AMAQI
8th Sep 2025549 AMAQI
8th Sep 20255410 AMAQI
8th Sep 20254611 AMAQI
8th Sep 20254312 PMAQI
8th Sep 2025401 PMAQI
8th Sep 2025432 PMAQI
8th Sep 2025383 PMAQI
8th Sep 2025354 PMAQI
8th Sep 2025425 PMAQI
8th Sep 2025506 PMAQI
8th Sep 2025517 PMAQI
8th Sep 2025588 PMAQI
8th Sep 2025549 PMAQI
8th Sep 20255010 PMAQI
8th Sep 20255211 PMAQI
9th Sep 20255612 AMAQI
9th Sep 2025591 AMAQI
9th Sep 2025582 AMAQI
9th Sep 2025593 AMAQI
9th Sep 2025604 AMAQI
29°C28/30°C
9th Sep 2025585 AMAQI
9th Sep 2025566 AMAQI
9th Sep 2025567 AMAQI
9th Sep 2025388 AMAQI
9th Sep 2025559 AMAQI
9th Sep 20256010 AMAQI
9th Sep 20256011 AMAQI
9th Sep 20256612 PMAQI
9th Sep 2025581 PMAQI
9th Sep 2025632 PMAQI
9th Sep 2025533 PMAQI
9th Sep 2025524 PMAQI
9th Sep 2025465 PMAQI
9th Sep 2025416 PMAQI
9th Sep 2025417 PMAQI
9th Sep 2025518 PMAQI
9th Sep 2025519 PMAQI
9th Sep 20255210 PMAQI
9th Sep 20255211 PMAQI
10th Sep 20255612 AMAQI
10th Sep 2025591 AMAQI
10th Sep 2025602 AMAQI
10th Sep 2025593 AMAQI
10th Sep 2025604 AMAQI
28°C26/30°C
10th Sep 2025585 AMAQI
10th Sep 2025586 AMAQI
10th Sep 2025587 AMAQI
10th Sep 2025328 AMAQI
10th Sep 2025349 AMAQI
10th Sep 20253510 AMAQI
10th Sep 20253511 AMAQI
10th Sep 20254412 PMAQI
10th Sep 2025441 PMAQI
10th Sep 2025532 PMAQI
10th Sep 2025463 PMAQI
10th Sep 2025514 PMAQI
10th Sep 2025515 PMAQI
10th Sep 2025516 PMAQI
10th Sep 2025537 PMAQI
10th Sep 2025568 PMAQI
10th Sep 2025559 PMAQI
10th Sep 20255510 PMAQI
10th Sep 20255411 PMAQI
11th Sep 20255612 AMAQI
11th Sep 2025581 AMAQI
11th Sep 2025582 AMAQI
11th Sep 2025583 AMAQI
11th Sep 2025574 AMAQI
27°C26/28°C
11th Sep 2025575 AMAQI
11th Sep 2025576 AMAQI
11th Sep 2025577 AMAQI
11th Sep 2025568 AMAQI
11th Sep 2025549 AMAQI
11th Sep 20255810 AMAQI
11th Sep 20255511 AMAQI
11th Sep 20255612 PMAQI
11th Sep 2025531 PMAQI
11th Sep 2025542 PMAQI
11th Sep 2025543 PMAQI
11th Sep 2025524 PMAQI
11th Sep 2025545 PMAQI
11th Sep 2025536 PMAQI
11th Sep 2025487 PMAQI
11th Sep 2025538 PMAQI
11th Sep 2025549 PMAQI
11th Sep 20254410 PMAQI
11th Sep 20255011 PMAQI
12th Sep 20255512 AMAQI
12th Sep 2025571 AMAQI
12th Sep 2025562 AMAQI
12th Sep 2025583 AMAQI
12th Sep 2025574 AMAQI
27°C26/28°C
12th Sep 2025575 AMAQI
12th Sep 2025576 AMAQI
12th Sep 2025577 AMAQI
12th Sep 2025528 AMAQI
12th Sep 2025489 AMAQI
12th Sep 20254310 AMAQI
12th Sep 20254211 AMAQI
12th Sep 20255212 PMAQI
12th Sep 2025501 PMAQI
12th Sep 2025492 PMAQI
12th Sep 2025423 PMAQI
12th Sep 2025454 PMAQI
12th Sep 2025445 PMAQI
12th Sep 2025446 PMAQI
12th Sep 2025507 PMAQI
12th Sep 2025588 PMAQI
12th Sep 2025609 PMAQI
12th Sep 20255410 PMAQI
12th Sep 20255411 PMAQI
13th Sep 20255412 AMAQI
13th Sep 2025561 AMAQI
13th Sep 2025572 AMAQI
13th Sep 2025563 AMAQI
13th Sep 2025524 AMAQI
28°C26/29°C
13th Sep 2025525 AMAQI
13th Sep 2025546 AMAQI
13th Sep 2025537 AMAQI
13th Sep 2025588 AMAQI
13th Sep 2025569 AMAQI
13th Sep 20255910 AMAQI
13th Sep 20257011 AMAQI
13th Sep 20257812 PMAQI
13th Sep 2025761 PMAQI
13th Sep 2025712 PMAQI
13th Sep 2025613 PMAQI
13th Sep 2025664 PMAQI
13th Sep 2025745 PMAQI
13th Sep 2025666 PMAQI
13th Sep 2025567 PMAQI
13th Sep 2025578 PMAQI
13th Sep 2025519 PMAQI
13th Sep 20253810 PMAQI
13th Sep 20255511 PMAQI
14th Sep 20255412 AMAQI
14th Sep 2025561 AMAQI
14th Sep 2025562 AMAQI
14th Sep 2025563 AMAQI
14th Sep 2025584 AMAQI
28°C27/30°C
14th Sep 2025575 AMAQI
14th Sep 2025576 AMAQI
14th Sep 2025577 AMAQI
14th Sep 2025528 AMAQI
14th Sep 2025569 AMAQI
14th Sep 20255010 AMAQI
14th Sep 20255211 AMAQI
14th Sep 20254512 PMAQI
14th Sep 2025501 PMAQI
14th Sep 2025462 PMAQI
14th Sep 2025583 PMAQI
14th Sep 2025604 PMAQI
14th Sep 2025535 PMAQI
14th Sep 2025566 PMAQI
14th Sep 2025557 PMAQI
14th Sep 2025548 PMAQI
14th Sep 2025569 PMAQI
14th Sep 20256010 PMAQI
14th Sep 20256011 PMAQI
15th Sep 20255612 AMAQI
15th Sep 2025571 AMAQI
15th Sep 2025562 AMAQI
15th Sep 2025563 AMAQI
15th Sep 2025554 AMAQI
28°C27/29°C
15th Sep 2025545 AMAQI
15th Sep 2025546 AMAQI
15th Sep 2025547 AMAQI
15th Sep 2025558 AMAQI
15th Sep 2025489 AMAQI
15th Sep 20255010 AMAQI
15th Sep 20255111 AMAQI
15th Sep 20255012 PMAQI
15th Sep 2025391 PMAQI
15th Sep 2025372 PMAQI
15th Sep 2025413 PMAQI
15th Sep 2025414 PMAQI
15th Sep 2025345 PMAQI
15th Sep 2025346 PMAQI
15th Sep 2025487 PMAQI
15th Sep 2025548 PMAQI
15th Sep 2025549 PMAQI
15th Sep 20256010 PMAQI
15th Sep 20255711 PMAQI
16th Sep 20255112 AMAQI
16th Sep 2025551 AMAQI
16th Sep 2025562 AMAQI
16th Sep 2025553 AMAQI
16th Sep 2025544 AMAQI
28°C27/29°C
16th Sep 2025555 AMAQI
16th Sep 2025556 AMAQI
16th Sep 2025547 AMAQI
16th Sep 2025378 AMAQI
16th Sep 2025399 AMAQI
16th Sep 20252810 AMAQI
16th Sep 20252611 AMAQI
16th Sep 20252412 PMAQI
16th Sep 2025261 PMAQI
16th Sep 2025252 PMAQI
16th Sep 2025163 PMAQI
16th Sep 2025204 PMAQI
16th Sep 2025385 PMAQI
16th Sep 2025416 PMAQI
16th Sep 2025467 PMAQI
16th Sep 2025528 PMAQI
16th Sep 2025509 PMAQI
16th Sep 20255010 PMAQI
16th Sep 20254411 PMAQI
17th Sep 20254812 AMAQI
17th Sep 2025561 AMAQI
17th Sep 2025562 AMAQI
17th Sep 2025543 AMAQI
17th Sep 2025524 AMAQI
28°C27/29°C
17th Sep 2025525 AMAQI
17th Sep 2025526 AMAQI
17th Sep 2025527 AMAQI
17th Sep 2025318 AMAQI
17th Sep 2025219 AMAQI
17th Sep 20252510 AMAQI
17th Sep 20252611 AMAQI
17th Sep 20254612 PMAQI
17th Sep 2025561 PMAQI
17th Sep 2025562 PMAQI
17th Sep 2025583 PMAQI
17th Sep 2025504 PMAQI
17th Sep 2025595 PMAQI
17th Sep 2025546 PMAQI
17th Sep 2025547 PMAQI
17th Sep 2025528 PMAQI
17th Sep 2025469 PMAQI
17th Sep 20254610 PMAQI
17th Sep 20255111 PMAQI
18th Sep 20254912 AMAQI
18th Sep 2025541 AMAQI
18th Sep 2025542 AMAQI
18th Sep 2025533 AMAQI
18th Sep 2025534 AMAQI
28°C28/29°C
18th Sep 2025525 AMAQI
18th Sep 2025526 AMAQI
18th Sep 2025527 AMAQI
18th Sep 2025388 AMAQI
18th Sep 2025319 AMAQI
18th Sep 20253210 AMAQI
18th Sep 20253211 AMAQI
18th Sep 20253412 PMAQI
18th Sep 2025341 PMAQI
18th Sep 2025312 PMAQI
18th Sep 2025263 PMAQI
18th Sep 2025284 PMAQI
18th Sep 2025305 PMAQI
18th Sep 2025346 PMAQI
18th Sep 2025457 PMAQI
18th Sep 2025488 PMAQI
18th Sep 2025509 PMAQI
18th Sep 20255310 PMAQI
18th Sep 20254911 PMAQI
19th Sep 20255112 AMAQI
19th Sep 2025531 AMAQI
19th Sep 2025532 AMAQI
19th Sep 2025523 AMAQI
19th Sep 2025524 AMAQI
27°C26/27°C
19th Sep 2025525 AMAQI
19th Sep 2025516 AMAQI
19th Sep 2025507 AMAQI
19th Sep 2025338 AMAQI
19th Sep 2025329 AMAQI
19th Sep 20252710 AMAQI
19th Sep 20252511 AMAQI
19th Sep 20252612 PMAQI
19th Sep 2025291 PMAQI
19th Sep 2025222 PMAQI
19th Sep 2025223 PMAQI
19th Sep 2025254 PMAQI
19th Sep 2025205 PMAQI
19th Sep 2025246 PMAQI
19th Sep 2025417 PMAQI
19th Sep 2025518 PMAQI
19th Sep 2025489 PMAQI
19th Sep 20254510 PMAQI
19th Sep 20253811 PMAQI
20th Sep 20253912 AMAQI
20th Sep 2025531 AMAQI
20th Sep 2025532 AMAQI
20th Sep 2025513 AMAQI
20th Sep 2025504 AMAQI
27°C26/28°C
20th Sep 2025505 AMAQI
20th Sep 2025506 AMAQI
20th Sep 2025507 AMAQI
20th Sep 2025358 AMAQI
20th Sep 2025409 AMAQI
20th Sep 20254610 AMAQI
20th Sep 20255711 AMAQI
20th Sep 20255512 PMAQI
20th Sep 2025561 PMAQI
20th Sep 2025532 PMAQI
20th Sep 2025543 PMAQI
20th Sep 2025464 PMAQI
20th Sep 2025425 PMAQI
20th Sep 2025446 PMAQI
20th Sep 2025477 PMAQI
20th Sep 2025428 PMAQI
20th Sep 2025449 PMAQI
20th Sep 20253610 PMAQI
20th Sep 20253411 PMAQI
21st Sep 20254212 AMAQI
21st Sep 2025441 AMAQI
21st Sep 2025512 AMAQI
21st Sep 2025523 AMAQI
21st Sep 2025524 AMAQI
26°C25/26°C
21st Sep 2025525 AMAQI
21st Sep 2025526 AMAQI
21st Sep 2025527 AMAQI
21st Sep 2025448 AMAQI
21st Sep 2025359 AMAQI
21st Sep 20254310 AMAQI
21st Sep 20253911 AMAQI
21st Sep 20253812 PMAQI
21st Sep 2025371 PMAQI
21st Sep 2025322 PMAQI
21st Sep 2025363 PMAQI
21st Sep 2025324 PMAQI
21st Sep 2025405 PMAQI
21st Sep 2025386 PMAQI
21st Sep 2025437 PMAQI
21st Sep 2025428 PMAQI
21st Sep 2025429 PMAQI
21st Sep 20254110 PMAQI
21st Sep 20253911 PMAQI
22nd Sep 20253812 AMAQI
22nd Sep 2025521 AMAQI
22nd Sep 2025522 AMAQI
22nd Sep 2025503 AMAQI
22nd Sep 2025474 AMAQI
25°C25/26°C
22nd Sep 2025485 AMAQI
22nd Sep 2025486 AMAQI
22nd Sep 2025467 AMAQI
22nd Sep 2025308 AMAQI
22nd Sep 2025209 AMAQI
22nd Sep 20252310 AMAQI
22nd Sep 20252511 AMAQI
22nd Sep 20252212 PMAQI
22nd Sep 2025251 PMAQI
22nd Sep 2025202 PMAQI
22nd Sep 2025213 PMAQI
22nd Sep 2025254 PMAQI
22nd Sep 2025295 PMAQI
22nd Sep 2025276 PMAQI
22nd Sep 2025437 PMAQI
22nd Sep 2025488 PMAQI
22nd Sep 2025499 PMAQI
22nd Sep 20254410 PMAQI
22nd Sep 20254411 PMAQI
23rd Sep 20253912 AMAQI
23rd Sep 2025431 AMAQI
23rd Sep 2025512 AMAQI
23rd Sep 2025483 AMAQI
23rd Sep 2025444 AMAQI
26°C25/28°C
23rd Sep 2025465 AMAQI
23rd Sep 2025466 AMAQI
23rd Sep 2025457 AMAQI
23rd Sep 2025338 AMAQI
23rd Sep 2025289 AMAQI
23rd Sep 20252610 AMAQI
23rd Sep 20252211 AMAQI
23rd Sep 20252412 PMAQI
23rd Sep 2025261 PMAQI
23rd Sep 2025222 PMAQI
23rd Sep 2025263 PMAQI
23rd Sep 2025254 PMAQI
23rd Sep 2025295 PMAQI
23rd Sep 2025326 PMAQI
23rd Sep 2025387 PMAQI
23rd Sep 2025398 PMAQI
23rd Sep 2025369 PMAQI
23rd Sep 20253610 PMAQI
23rd Sep 20253611 PMAQI
24th Sep 20253712 AMAQI
24th Sep 2025481 AMAQI
24th Sep 2025482 AMAQI
24th Sep 2025463 AMAQI
24th Sep 2025444 AMAQI
27°C26/28°C
24th Sep 2025445 AMAQI
24th Sep 2025446 AMAQI
24th Sep 2025437 AMAQI
24th Sep 2025298 AMAQI
24th Sep 2025269 AMAQI
24th Sep 20252610 AMAQI
24th Sep 20252611 AMAQI
24th Sep 20252812 PMAQI
24th Sep 2025211 PMAQI
24th Sep 2025222 PMAQI
24th Sep 2025263 PMAQI
24th Sep 2025274 PMAQI
24th Sep 2025275 PMAQI
24th Sep 2025326 PMAQI
24th Sep 2025367 PMAQI
24th Sep 2025428 PMAQI
24th Sep 2025509 PMAQI
24th Sep 20254910 PMAQI
24th Sep 20254611 PMAQI
25th Sep 20254112 AMAQI
25th Sep 2025481 AMAQI
25th Sep 2025472 AMAQI
25th Sep 2025453 AMAQI
25th Sep 2025424 AMAQI
27°C27/28°C
25th Sep 2025425 AMAQI
25th Sep 2025426 AMAQI
25th Sep 2025427 AMAQI
25th Sep 2025418 AMAQI
25th Sep 2025399 AMAQI
25th Sep 20253510 AMAQI
25th Sep 20252411 AMAQI
25th Sep 20252812 PMAQI
25th Sep 2025211 PMAQI
25th Sep 2025182 PMAQI
25th Sep 2025183 PMAQI
25th Sep 2025194 PMAQI
25th Sep 2025195 PMAQI
25th Sep 2025246 PMAQI
25th Sep 2025297 PMAQI
25th Sep 2025338 PMAQI
25th Sep 2025229 PMAQI
25th Sep 20251910 PMAQI
25th Sep 20251911 PMAQI
26th Sep 20251912 AMAQI
26th Sep 2025181 AMAQI
26th Sep 2025182 AMAQI
26th Sep 2025183 AMAQI
26th Sep 2025184 AMAQI
27°C27/28°C
26th Sep 2025165 AMAQI
26th Sep 2025156 AMAQI
26th Sep 2025157 AMAQI
26th Sep 2025168 AMAQI
26th Sep 2025139 AMAQI
26th Sep 20251410 AMAQI
26th Sep 20251411 AMAQI
26th Sep 20251612 PMAQI
26th Sep 2025201 PMAQI
26th Sep 2025212 PMAQI
26th Sep 2025223 PMAQI
26th Sep 2025234 PMAQI
26th Sep 2025245 PMAQI
26th Sep 2025246 PMAQI
26th Sep 2025297 PMAQI
26th Sep 2025408 PMAQI
26th Sep 2025339 PMAQI
26th Sep 20251910 PMAQI
26th Sep 20251811 PMAQI
27th Sep 20251812 AMAQI
27th Sep 2025191 AMAQI
27th Sep 2025192 AMAQI
27th Sep 2025183 AMAQI
27th Sep 2025174 AMAQI
27°C27/29°C
27th Sep 2025185 AMAQI
27th Sep 2025216 AMAQI
27th Sep 2025267 AMAQI
27th Sep 2025358 AMAQI
27th Sep 2025399 AMAQI
27th Sep 20253710 AMAQI
27th Sep 20253511 AMAQI
27th Sep 20253712 PMAQI
27th Sep 2025321 PMAQI
27th Sep 2025262 PMAQI
27th Sep 2025243 PMAQI
27th Sep 2025354 PMAQI
27th Sep 2025395 PMAQI
27th Sep 2025426 PMAQI
27th Sep 2025517 PMAQI
27th Sep 2025528 PMAQI
27th Sep 2025489 PMAQI
27th Sep 20254210 PMAQI
27th Sep 20253911 PMAQI
28th Sep 20253412 AMAQI
28th Sep 2025321 AMAQI
28th Sep 2025262 AMAQI
28th Sep 2025203 AMAQI
28th Sep 2025204 AMAQI
28°C27/29°C
28th Sep 2025225 AMAQI
28th Sep 2025226 AMAQI
28th Sep 2025217 AMAQI
28th Sep 2025208 AMAQI
28th Sep 2025209 AMAQI
28th Sep 20251810 AMAQI
28th Sep 20251811 AMAQI
28th Sep 20252512 PMAQI
28th Sep 2025371 PMAQI
28th Sep 2025332 PMAQI
28th Sep 2025333 PMAQI
28th Sep 2025334 PMAQI
28th Sep 2025335 PMAQI
28th Sep 2025356 PMAQI
28th Sep 2025407 PMAQI
28th Sep 2025428 PMAQI
28th Sep 2025389 PMAQI
28th Sep 20253710 PMAQI
28th Sep 20254211 PMAQI
29th Sep 20254812 AMAQI
29th Sep 2025391 AMAQI
29th Sep 2025332 AMAQI
29th Sep 2025383 AMAQI
29th Sep 2025394 AMAQI
28°C27/29°C
29th Sep 2025395 AMAQI
29th Sep 2025396 AMAQI
29th Sep 2025537 AMAQI
29th Sep 2025428 AMAQI
29th Sep 2025489 AMAQI
29th Sep 20254510 AMAQI
29th Sep 20254411 AMAQI
29th Sep 20254412 PMAQI
29th Sep 2025441 PMAQI
29th Sep 2025512 PMAQI
29th Sep 2025533 PMAQI
29th Sep 2025534 PMAQI
29th Sep 2025535 PMAQI
29th Sep 2025536 PMAQI
29th Sep 2025517 PMAQI
29th Sep 2025478 PMAQI
29th Sep 2025369 PMAQI
29th Sep 20253410 PMAQI
29th Sep 20252711 PMAQI
30th Sep 20252612 AMAQI
30th Sep 2025301 AMAQI
30th Sep 2025292 AMAQI
30th Sep 2025293 AMAQI
30th Sep 2025304 AMAQI
27°C26/28°C
30th Sep 2025295 AMAQI
5 AM30th Sep 2025346 AMAQI
30th Sep 2025307 AMAQI
30th Sep 2025358 AMAQI
30th Sep 2025419 AMAQI
30th Sep 20254410 AMAQI
30th Sep 20254111 AMAQI
11 AM30th Sep 20253312 PMAQI
30th Sep 2025361 PMAQI
30th Sep 2025362 PMAQI
30th Sep 2025313 PMAQI
30th Sep 2025264 PMAQI
30th Sep 2025295 PMAQI
5 PM30th Sep 2025326 PMAQI
30th Sep 2025337 PMAQI
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 7 AM
49AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
8 AM - 11 AM
42AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 AM (Avg. 49), while the lowest AQI was between 8 AM to 11 AM (Avg. 42).
Night time
Avg. Highest Time
8 PM
50AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
6 PM
43AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 8 PM (Avg. 50), while the lowest AQI was between 6 PM to 6 PM (Avg. 43).
2025 Days Vs Air Quality
Putuo Mountain, Zhoushan, Zhejiang, China
2025
29%
80
64%
175
6%
16
0.3%
1
Total number of days with different AQI categories in last 273 days in 2025 (92 days remaining)
Good
80 DaysModerate
175 DaysPoor
16 DaysUnhealthy
1 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 29%
Health Risk Level:
Very high
In 2025, 29% of 273 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Putuo Mountain, Zhoushan, 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
78AQI
78AQI
2nd January 2025
67AQI
67AQI
3rd January 2025
76AQI
76AQI
4th January 2025
68AQI
68AQI
5th January 2025
97AQI
97AQI
6th January 2025
116AQI
116AQI
7th January 2025
103AQI
103AQI
8th January 2025
122AQI
122AQI
9th January 2025
79AQI
79AQI
10th January 2025
80AQI
80AQI
11th January 2025
88AQI
88AQI
12th January 2025
107AQI
107AQI
13th January 2025
121AQI
121AQI
14th January 2025
101AQI
101AQI
15th January 2025
81AQI
81AQI
16th January 2025
82AQI
82AQI
17th January 2025
108AQI
108AQI
18th January 2025
100AQI
100AQI
19th January 2025
119AQI
119AQI
20th January 2025
149AQI
149AQI
21st January 2025
151AQI
151AQI
22nd January 2025
99AQI
99AQI
23rd January 2025
90AQI
90AQI
24th January 2025
77AQI
77AQI
25th January 2025
74AQI
74AQI
26th January 2025
67AQI
67AQI
27th January 2025
67AQI
67AQI
28th January 2025
64AQI
64AQI
29th January 2025
112AQI
112AQI
30th January 2025
88AQI
88AQI
31st January 2025
69AQI
69AQI
1st February 2025
53AQI
53AQI
2nd February 2025
74AQI
74AQI
3rd February 2025
92AQI
92AQI
4th February 2025
106AQI
106AQI
5th February 2025
88AQI
88AQI
6th February 2025
84AQI
84AQI
7th February 2025
77AQI
77AQI
8th February 2025
65AQI
65AQI
9th February 2025
79AQI
79AQI
10th February 2025
75AQI
75AQI
11th February 2025
63AQI
63AQI
12th February 2025
107AQI
107AQI
13th February 2025
70AQI
70AQI
14th February 2025
67AQI
67AQI
15th February 2025
68AQI
68AQI
16th February 2025
121AQI
121AQI
17th February 2025
63AQI
63AQI
18th February 2025
76AQI
76AQI
19th February 2025
72AQI
72AQI
20th February 2025
60AQI
60AQI
21st February 2025
61AQI
61AQI
22nd February 2025
63AQI
63AQI
23rd February 2025
76AQI
76AQI
24th February 2025
123AQI
123AQI
25th February 2025
89AQI
89AQI
26th February 2025
148AQI
148AQI
27th February 2025
102AQI
102AQI
28th February 2025
90AQI
90AQI
1st March 2025
76AQI
76AQI
2nd March 2025
72AQI
72AQI
3rd March 2025
65AQI
65AQI
4th March 2025
54AQI
54AQI
5th March 2025
47AQI
47AQI
6th March 2025
59AQI
59AQI
7th March 2025
63AQI
63AQI
8th March 2025
86AQI
86AQI
9th March 2025
62AQI
62AQI
10th March 2025
77AQI
77AQI
11th March 2025
65AQI
65AQI
12th March 2025
67AQI
67AQI
13th March 2025
59AQI
59AQI
14th March 2025
60AQI
60AQI
15th March 2025
37AQI
37AQI
16th March 2025
73AQI
73AQI
17th March 2025
65AQI
65AQI
18th March 2025
74AQI
74AQI
19th March 2025
66AQI
66AQI
20th March 2025
76AQI
76AQI
21st March 2025
79AQI
79AQI
22nd March 2025
85AQI
85AQI
23rd March 2025
80AQI
80AQI
24th March 2025
99AQI
99AQI
25th March 2025
87AQI
87AQI
26th March 2025
69AQI
69AQI
27th March 2025
70AQI
70AQI
28th March 2025
64AQI
64AQI
29th March 2025
64AQI
64AQI
30th March 2025
50AQI
50AQI
31st March 2025
52AQI
52AQI
1st April 2025
59AQI
59AQI
2nd April 2025
64AQI
64AQI
3rd April 2025
61AQI
61AQI
4th April 2025
58AQI
58AQI
5th April 2025
66AQI
66AQI
6th April 2025
69AQI
69AQI
7th April 2025
73AQI
73AQI
8th April 2025
71AQI
71AQI
9th April 2025
61AQI
61AQI
10th April 2025
75AQI
75AQI
11th April 2025
61AQI
61AQI
12th April 2025
70AQI
70AQI
13th April 2025
62AQI
62AQI
14th April 2025
70AQI
70AQI
15th April 2025
62AQI
62AQI
16th April 2025
65AQI
65AQI
17th April 2025
65AQI
65AQI
18th April 2025
58AQI
58AQI
19th April 2025
57AQI
57AQI
20th April 2025
59AQI
59AQI
21st April 2025
51AQI
51AQI
22nd April 2025
60AQI
60AQI
23rd April 2025
57AQI
57AQI
24th April 2025
67AQI
67AQI
25th April 2025
57AQI
57AQI
26th April 2025
49AQI
49AQI
27th April 2025
53AQI
53AQI
28th April 2025
51AQI
51AQI
29th April 2025
58AQI
58AQI
30th April 2025
45AQI
45AQI
1st May 2025
60AQI
60AQI
2nd May 2025
57AQI
57AQI
3rd May 2025
61AQI
61AQI
4th May 2025
48AQI
48AQI
5th May 2025
56AQI
56AQI
6th May 2025
69AQI
69AQI
7th May 2025
64AQI
64AQI
8th May 2025
60AQI
60AQI
9th May 2025
55AQI
55AQI
10th May 2025
57AQI
57AQI
11th May 2025
58AQI
58AQI
12th May 2025
63AQI
63AQI
13th May 2025
60AQI
60AQI
14th May 2025
53AQI
53AQI
15th May 2025
48AQI
48AQI
16th May 2025
53AQI
53AQI
17th May 2025
63AQI
63AQI
18th May 2025
60AQI
60AQI
19th May 2025
54AQI
54AQI
20th May 2025
57AQI
57AQI
21st May 2025
43AQI
43AQI
22nd May 2025
54AQI
54AQI
23rd May 2025
44AQI
44AQI
24th May 2025
63AQI
63AQI
25th May 2025
60AQI
60AQI
26th May 2025
58AQI
58AQI
27th May 2025
58AQI
58AQI
28th May 2025
55AQI
55AQI
29th May 2025
58AQI
58AQI
30th May 2025
62AQI
62AQI
31st May 2025
58AQI
58AQI
1st June 2025
49AQI
49AQI
2nd June 2025
49AQI
49AQI
3rd June 2025
51AQI
51AQI
4th June 2025
61AQI
61AQI
5th June 2025
51AQI
51AQI
6th June 2025
54AQI
54AQI
7th June 2025
55AQI
55AQI
8th June 2025
51AQI
51AQI
9th June 2025
54AQI
54AQI
10th June 2025
43AQI
43AQI
11th June 2025
40AQI
40AQI
12th June 2025
44AQI
44AQI
13th June 2025
38AQI
38AQI
14th June 2025
45AQI
45AQI
15th June 2025
41AQI
41AQI
16th June 2025
44AQI
44AQI
17th June 2025
51AQI
51AQI
18th June 2025
55AQI
55AQI
19th June 2025
49AQI
49AQI
20th June 2025
43AQI
43AQI
21st June 2025
53AQI
53AQI
22nd June 2025
62AQI
62AQI
23rd June 2025
58AQI
58AQI
24th June 2025
56AQI
56AQI
25th June 2025
59AQI
59AQI
26th June 2025
59AQI
59AQI
27th June 2025
57AQI
57AQI
28th June 2025
58AQI
58AQI
29th June 2025
46AQI
46AQI
30th June 2025
40AQI
40AQI
1st July 2025
42AQI
42AQI
2nd July 2025
45AQI
45AQI
3rd July 2025
50AQI
50AQI
4th July 2025
49AQI
49AQI
5th July 2025
44AQI
44AQI
6th July 2025
37AQI
37AQI
7th July 2025
38AQI
38AQI
8th July 2025
39AQI
39AQI
9th July 2025
39AQI
39AQI
10th July 2025
46AQI
46AQI
11th July 2025
39AQI
39AQI
12th July 2025
40AQI
40AQI
13th July 2025
43AQI
43AQI
14th July 2025
60AQI
60AQI
15th July 2025
59AQI
59AQI
16th July 2025
60AQI
60AQI
17th July 2025
58AQI
58AQI
18th July 2025
52AQI
52AQI
19th July 2025
44AQI
44AQI
20th July 2025
45AQI
45AQI
21st July 2025
42AQI
42AQI
22nd July 2025
40AQI
40AQI
23rd July 2025
37AQI
37AQI
24th July 2025
39AQI
39AQI
25th July 2025
35AQI
35AQI
26th July 2025
34AQI
34AQI
27th July 2025
35AQI
35AQI
28th July 2025
36AQI
36AQI
29th July 2025
36AQI
36AQI
30th July 2025
31AQI
31AQI
31st July 2025
48AQI
48AQI
1st August 2025
55AQI
55AQI
2nd August 2025
57AQI
57AQI
3rd August 2025
58AQI
58AQI
4th August 2025
58AQI
58AQI
5th August 2025
50AQI
50AQI
6th August 2025
52AQI
52AQI
7th August 2025
58AQI
58AQI
8th August 2025
60AQI
60AQI
9th August 2025
63AQI
63AQI
10th August 2025
62AQI
62AQI
11th August 2025
60AQI
60AQI
12th August 2025
57AQI
57AQI
13th August 2025
49AQI
49AQI
14th August 2025
45AQI
45AQI
15th August 2025
40AQI
40AQI
16th August 2025
42AQI
42AQI
17th August 2025
51AQI
51AQI
18th August 2025
47AQI
47AQI
19th August 2025
48AQI
48AQI
20th August 2025
50AQI
50AQI
21st August 2025
55AQI
55AQI
22nd August 2025
54AQI
54AQI
23rd August 2025
54AQI
54AQI
24th August 2025
47AQI
47AQI
25th August 2025
45AQI
45AQI
26th August 2025
48AQI
48AQI
27th August 2025
47AQI
47AQI
28th August 2025
41AQI
41AQI
29th August 2025
44AQI
44AQI
30th August 2025
45AQI
45AQI
31st August 2025
48AQI
48AQI
1st September 2025
55AQI
55AQI
2nd September 2025
51AQI
51AQI
3rd September 2025
54AQI
54AQI
4th September 2025
47AQI
47AQI
5th September 2025
51AQI
51AQI
6th September 2025
54AQI
54AQI
7th September 2025
59AQI
59AQI
8th September 2025
51AQI
51AQI
9th September 2025
54AQI
54AQI
10th September 2025
53AQI
53AQI
11th September 2025
54AQI
54AQI
12th September 2025
52AQI
52AQI
13th September 2025
59AQI
59AQI
14th September 2025
55AQI
55AQI
15th September 2025
50AQI
50AQI
16th September 2025
43AQI
43AQI
17th September 2025
49AQI
49AQI
18th September 2025
44AQI
44AQI
19th September 2025
40AQI
40AQI
20th September 2025
47AQI
47AQI
21st September 2025
43AQI
43AQI
22nd September 2025
38AQI
38AQI
23rd September 2025
37AQI
37AQI
24th September 2025
37AQI
37AQI
25th September 2025
33AQI
33AQI
26th September 2025
21AQI
21AQI
27th September 2025
30AQI
30AQI
28th September 2025
30AQI
30AQI
29th September 2025
46AQI
46AQI
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
94AQI
83AQI
68AQI
61AQI
57AQI
51AQI
43AQI
51AQI
46AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202561AQI
20
10
1
22
6
3
28
2
28
4
27
13
17
26
5
16
15
16
13
80
175
16
1
Highest AQI recorded in
January94AQI
Lowest AQI recorded in
July43AQI
202455AQI
3
3
8
3
1
11
1
19
11
24
7
13
18
24
5
21
10
19
11
25
6
134
91
15
3
Highest AQI recorded in
March110AQI
Lowest AQI recorded in
September41AQI
202384AQI
2
1
3
20
6
2
3
22
7
2
Highest AQI recorded in
November90AQI
Lowest AQI recorded in
December84AQI
202254AQI
7
3
1
6
15
10
19
2
15
14
1
18
11
2
23
7
10
12
2
1
1
16
9
1
1
107
92
8
Highest AQI recorded in
February63AQI
Lowest AQI recorded in
June40AQI
202152AQI
1
15
4
15
9
21
7
30
1
21
9
18
5
7
21
1
5
20
4
1
118
87
9
1
Highest AQI recorded in
January83AQI
Lowest AQI recorded in
August37AQI
202054AQI
9
4
6
12
3
6
12
15
15
17
13
18
11
18
11
1
17
14
18
11
1
10
15
4
2
134
118
9
2
Highest AQI recorded in
April71AQI
Lowest AQI recorded in
July47AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
84AQILeast Polluted Year Recorded
2021(Avg.)
52AQIPutuo Mountain's annual 2025 AQI (61) shows an average percentage change of 5.6% (worsened AQI) compared to previous years: 2020 (54), 2021 (52), 2022 (54), 2023 (84), 2024 (55).
