Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Putuo East Port, 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+

August Air Quality Analysis

Putuo East Port, Zhoushan, Zhejiang, China

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
12th Aug 2024
81AQI
Lowest AQI recorded on
30th Aug 2023
15AQI

Same Day Analysis (20th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 48 of Good air quality, showing improvement over 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 20th Aug - 21st Aug 2025

Putuo East Port, Zhoushan, Zhejiang, China

AQI
Day
Night
.

5 AM20th Aug 2025

6 PM

4 AM21st Aug 2025

Day time
Avg. Highest Time
6PM20th Aug

57AQI

Avg. Lowest Time
12PM20th Aug

46AQI

Night time
Avg. Highest Time
7PM20th Aug

57AQI

Avg. Lowest Time
3AM21st Aug

50AQI

In the last 24 hours,

Putuo East Port's AQI reached its highest point of 57 at 6 PM during the Day, while the lowest point, 46, was recorded at 12 PM during the Day between 20th Aug and 21st Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Putuo East Port, Zhoushan, Zhejiang, China

JulAug
22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st
Day
Night
22nd Jul 2025505 AMAQI
22nd Jul 2025516 AMAQI
22nd Jul 2025517 AMAQI
22nd Jul 2025288 AMAQI
22nd Jul 2025199 AMAQI
22nd Jul 20252010 AMAQI
22nd Jul 20252211 AMAQI
22nd Jul 20252312 PMAQI
22nd Jul 2025241 PMAQI
22nd Jul 2025242 PMAQI
22nd Jul 2025233 PMAQI
22nd Jul 2025254 PMAQI
22nd Jul 2025295 PMAQI
22nd Jul 2025326 PMAQI
22nd Jul 2025407 PMAQI
22nd Jul 2025468 PMAQI
22nd Jul 2025459 PMAQI
22nd Jul 20254510 PMAQI
22nd Jul 20254011 PMAQI
23rd Jul 20254212 AMAQI
23rd Jul 2025521 AMAQI
23rd Jul 2025522 AMAQI
23rd Jul 2025503 AMAQI
23rd Jul 2025474 AMAQI

28°C27/28°C

23rd Jul 2025475 AMAQI
23rd Jul 2025476 AMAQI
23rd Jul 2025467 AMAQI
23rd Jul 2025288 AMAQI
23rd Jul 2025209 AMAQI
23rd Jul 20252310 AMAQI
23rd Jul 20252011 AMAQI
23rd Jul 20252412 PMAQI
23rd Jul 2025251 PMAQI
23rd Jul 2025232 PMAQI
23rd Jul 2025233 PMAQI
23rd Jul 2025244 PMAQI
23rd Jul 2025275 PMAQI
23rd Jul 2025306 PMAQI
23rd Jul 2025367 PMAQI
23rd Jul 2025408 PMAQI
23rd Jul 2025419 PMAQI
23rd Jul 20253810 PMAQI
23rd Jul 20253611 PMAQI
24th Jul 20253612 AMAQI
24th Jul 2025381 AMAQI
24th Jul 2025462 AMAQI
24th Jul 2025483 AMAQI
24th Jul 2025444 AMAQI

28°C27/29°C

24th Jul 2025445 AMAQI
24th Jul 2025446 AMAQI
24th Jul 2025447 AMAQI
24th Jul 2025328 AMAQI
24th Jul 2025289 AMAQI
24th Jul 20252510 AMAQI
24th Jul 20252711 AMAQI
24th Jul 20253112 PMAQI
24th Jul 2025281 PMAQI
24th Jul 2025272 PMAQI
24th Jul 2025323 PMAQI
24th Jul 2025324 PMAQI
24th Jul 2025335 PMAQI
24th Jul 2025356 PMAQI
24th Jul 2025427 PMAQI
24th Jul 2025448 PMAQI
24th Jul 2025459 PMAQI
24th Jul 20254110 PMAQI
24th Jul 20254411 PMAQI
25th Jul 20254212 AMAQI
25th Jul 2025441 AMAQI
25th Jul 2025442 AMAQI
25th Jul 2025423 AMAQI
25th Jul 2025414 AMAQI

28°C27/29°C

25th Jul 2025415 AMAQI
25th Jul 2025416 AMAQI
25th Jul 2025407 AMAQI
25th Jul 2025318 AMAQI
25th Jul 2025259 AMAQI
25th Jul 20252710 AMAQI
25th Jul 20252811 AMAQI
25th Jul 20252912 PMAQI
25th Jul 2025291 PMAQI
25th Jul 2025302 PMAQI
25th Jul 2025253 PMAQI
25th Jul 2025244 PMAQI
25th Jul 2025265 PMAQI
25th Jul 2025246 PMAQI
25th Jul 2025317 PMAQI
25th Jul 2025358 PMAQI
25th Jul 2025369 PMAQI
25th Jul 20253310 PMAQI
25th Jul 20253211 PMAQI
26th Jul 20253612 AMAQI
26th Jul 2025441 AMAQI
26th Jul 2025442 AMAQI
26th Jul 2025443 AMAQI
26th Jul 2025424 AMAQI

27°C27/28°C

26th Jul 2025425 AMAQI
26th Jul 2025416 AMAQI
26th Jul 2025417 AMAQI
26th Jul 2025258 AMAQI
26th Jul 2025229 AMAQI
26th Jul 20251910 AMAQI
26th Jul 20252211 AMAQI
26th Jul 20252512 PMAQI
26th Jul 2025291 PMAQI
26th Jul 2025342 PMAQI
26th Jul 2025333 PMAQI
26th Jul 2025304 PMAQI
26th Jul 2025285 PMAQI
26th Jul 2025266 PMAQI
26th Jul 2025337 PMAQI
26th Jul 2025378 PMAQI
26th Jul 2025379 PMAQI
26th Jul 20254010 PMAQI
26th Jul 20253611 PMAQI
27th Jul 20253812 AMAQI
27th Jul 2025411 AMAQI
27th Jul 2025442 AMAQI
27th Jul 2025423 AMAQI
27th Jul 2025404 AMAQI

28°C27/29°C

27th Jul 2025405 AMAQI
27th Jul 2025396 AMAQI
27th Jul 2025407 AMAQI
27th Jul 2025358 AMAQI
27th Jul 2025309 AMAQI
27th Jul 20253610 AMAQI
27th Jul 20253111 AMAQI
27th Jul 20252612 PMAQI
27th Jul 2025251 PMAQI
27th Jul 2025302 PMAQI
27th Jul 2025273 PMAQI
27th Jul 2025294 PMAQI
27th Jul 2025305 PMAQI
27th Jul 2025326 PMAQI
27th Jul 2025377 PMAQI
27th Jul 2025368 PMAQI
27th Jul 2025349 PMAQI
27th Jul 20253610 PMAQI
27th Jul 20253111 PMAQI
28th Jul 20253212 AMAQI
28th Jul 2025411 AMAQI
28th Jul 2025412 AMAQI
28th Jul 2025403 AMAQI
28th Jul 2025384 AMAQI

27°C27/28°C

28th Jul 2025385 AMAQI
28th Jul 2025386 AMAQI
28th Jul 2025377 AMAQI
28th Jul 2025278 AMAQI
28th Jul 2025229 AMAQI
28th Jul 20252410 AMAQI
28th Jul 20252211 AMAQI
28th Jul 20252412 PMAQI
28th Jul 2025231 PMAQI
28th Jul 2025222 PMAQI
28th Jul 2025283 PMAQI
28th Jul 2025384 PMAQI
28th Jul 2025415 PMAQI
28th Jul 2025426 PMAQI
28th Jul 2025447 PMAQI
28th Jul 2025438 PMAQI
28th Jul 2025459 PMAQI
28th Jul 20254210 PMAQI
28th Jul 20253911 PMAQI
29th Jul 20253912 AMAQI
29th Jul 2025411 AMAQI
29th Jul 2025412 AMAQI
29th Jul 2025403 AMAQI
29th Jul 2025384 AMAQI

28°C27/28°C

29th Jul 2025385 AMAQI
29th Jul 2025366 AMAQI
29th Jul 2025367 AMAQI
29th Jul 2025328 AMAQI
29th Jul 2025289 AMAQI
29th Jul 20252610 AMAQI
29th Jul 20252611 AMAQI
29th Jul 20253012 PMAQI
29th Jul 2025291 PMAQI
29th Jul 2025282 PMAQI
29th Jul 2025293 PMAQI
29th Jul 2025274 PMAQI
29th Jul 2025285 PMAQI
29th Jul 2025276 PMAQI
29th Jul 2025267 PMAQI
29th Jul 2025318 PMAQI
29th Jul 2025319 PMAQI
29th Jul 20253110 PMAQI
29th Jul 20253111 PMAQI
30th Jul 20253312 AMAQI
30th Jul 2025391 AMAQI
30th Jul 2025412 AMAQI
30th Jul 2025403 AMAQI
30th Jul 2025384 AMAQI

27°C26/27°C

30th Jul 2025395 AMAQI
30th Jul 2025386 AMAQI
30th Jul 2025387 AMAQI
30th Jul 2025258 AMAQI
30th Jul 2025239 AMAQI
30th Jul 20252610 AMAQI
30th Jul 20252111 AMAQI
30th Jul 20252512 PMAQI
30th Jul 2025261 PMAQI
30th Jul 2025242 PMAQI
30th Jul 2025233 PMAQI
30th Jul 2025224 PMAQI
30th Jul 2025235 PMAQI
30th Jul 2025276 PMAQI
30th Jul 2025307 PMAQI
30th Jul 2025338 PMAQI
30th Jul 2025329 PMAQI
30th Jul 20253210 PMAQI
30th Jul 20253011 PMAQI
31st Jul 20253112 AMAQI
31st Jul 2025381 AMAQI
31st Jul 2025402 AMAQI
31st Jul 2025403 AMAQI
31st Jul 2025404 AMAQI

27°C26/27°C

31st Jul 2025405 AMAQI
31st Jul 2025406 AMAQI
31st Jul 2025407 AMAQI
31st Jul 2025408 AMAQI
31st Jul 2025409 AMAQI
31st Jul 20254810 AMAQI
31st Jul 20255211 AMAQI
31st Jul 20255212 PMAQI
31st Jul 2025531 PMAQI
31st Jul 2025552 PMAQI
31st Jul 2025583 PMAQI
31st Jul 2025584 PMAQI
31st Jul 2025595 PMAQI
31st Jul 2025596 PMAQI
31st Jul 2025607 PMAQI
31st Jul 2025538 PMAQI
31st Jul 2025549 PMAQI
31st Jul 20255010 PMAQI
31st Jul 20255211 PMAQI
1st Aug 20254812 AMAQI
1st Aug 2025421 AMAQI
1st Aug 2025422 AMAQI
1st Aug 2025433 AMAQI
1st Aug 2025434 AMAQI

28°C27/30°C

1st Aug 2025425 AMAQI
1st Aug 2025436 AMAQI
1st Aug 2025467 AMAQI
1st Aug 2025578 AMAQI
1st Aug 2025629 AMAQI
1st Aug 20256210 AMAQI
1st Aug 20255811 AMAQI
1st Aug 20257012 PMAQI
1st Aug 2025601 PMAQI
1st Aug 2025582 PMAQI
1st Aug 2025553 PMAQI
1st Aug 2025564 PMAQI
1st Aug 2025555 PMAQI
1st Aug 2025576 PMAQI
1st Aug 2025547 PMAQI
1st Aug 2025558 PMAQI
1st Aug 2025569 PMAQI
1st Aug 20255710 PMAQI
1st Aug 20255811 PMAQI
2nd Aug 20255312 AMAQI
2nd Aug 2025471 AMAQI
2nd Aug 2025452 AMAQI
2nd Aug 2025513 AMAQI
2nd Aug 2025524 AMAQI

28°C27/29°C

2nd Aug 2025525 AMAQI
2nd Aug 2025526 AMAQI
2nd Aug 2025527 AMAQI
2nd Aug 2025608 AMAQI
2nd Aug 2025649 AMAQI
2nd Aug 20256210 AMAQI
2nd Aug 20255811 AMAQI
2nd Aug 20256512 PMAQI
2nd Aug 2025631 PMAQI
2nd Aug 2025652 PMAQI
2nd Aug 2025633 PMAQI
2nd Aug 2025644 PMAQI
2nd Aug 2025645 PMAQI
2nd Aug 2025606 PMAQI
2nd Aug 2025577 PMAQI
2nd Aug 2025578 PMAQI
2nd Aug 2025569 PMAQI
2nd Aug 20255510 PMAQI
2nd Aug 20255611 PMAQI
3rd Aug 20255212 AMAQI
3rd Aug 2025511 AMAQI
3rd Aug 2025512 AMAQI
3rd Aug 2025543 AMAQI
3rd Aug 2025554 AMAQI

28°C27/29°C

3rd Aug 2025545 AMAQI
3rd Aug 2025546 AMAQI
3rd Aug 2025567 AMAQI
3rd Aug 2025658 AMAQI
3rd Aug 2025649 AMAQI
3rd Aug 20256710 AMAQI
3rd Aug 20256911 AMAQI
3rd Aug 20256612 PMAQI
3rd Aug 2025671 PMAQI
3rd Aug 2025642 PMAQI
3rd Aug 2025663 PMAQI
3rd Aug 2025634 PMAQI
3rd Aug 2025635 PMAQI
3rd Aug 2025626 PMAQI
3rd Aug 2025577 PMAQI
3rd Aug 2025588 PMAQI
3rd Aug 2025569 PMAQI
3rd Aug 20255610 PMAQI
3rd Aug 20255611 PMAQI
4th Aug 20255412 AMAQI
4th Aug 2025531 AMAQI
4th Aug 2025542 AMAQI
4th Aug 2025563 AMAQI
4th Aug 2025564 AMAQI

28°C27/30°C

4th Aug 2025565 AMAQI
4th Aug 2025566 AMAQI
4th Aug 2025567 AMAQI
4th Aug 2025628 AMAQI
4th Aug 2025679 AMAQI
4th Aug 20257710 AMAQI
4th Aug 20256911 AMAQI
4th Aug 20257212 PMAQI
4th Aug 2025771 PMAQI
4th Aug 2025612 PMAQI
4th Aug 2025743 PMAQI
4th Aug 2025634 PMAQI
4th Aug 2025645 PMAQI
4th Aug 2025586 PMAQI
4th Aug 2025577 PMAQI
4th Aug 2025548 PMAQI
4th Aug 2025549 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20255411 PMAQI
5th Aug 20255612 AMAQI
5th Aug 2025551 AMAQI
5th Aug 2025552 AMAQI
5th Aug 2025563 AMAQI
5th Aug 2025574 AMAQI

28°C27/30°C

5th Aug 2025555 AMAQI
5th Aug 2025556 AMAQI
5th Aug 2025567 AMAQI
5th Aug 2025588 AMAQI
5th Aug 2025489 AMAQI
5th Aug 20254610 AMAQI
5th Aug 20254611 AMAQI
5th Aug 20254212 PMAQI
5th Aug 2025421 PMAQI
5th Aug 2025422 PMAQI
5th Aug 2025443 PMAQI
5th Aug 2025454 PMAQI
5th Aug 2025435 PMAQI
5th Aug 2025406 PMAQI
5th Aug 2025517 PMAQI
5th Aug 2025468 PMAQI
5th Aug 2025479 PMAQI
5th Aug 20254710 PMAQI
5th Aug 20255011 PMAQI
6th Aug 20255112 AMAQI
6th Aug 2025541 AMAQI
6th Aug 2025542 AMAQI
6th Aug 2025543 AMAQI
6th Aug 2025534 AMAQI

28°C28/29°C

6th Aug 2025535 AMAQI
6th Aug 2025536 AMAQI
6th Aug 2025537 AMAQI
6th Aug 2025398 AMAQI
6th Aug 2025419 AMAQI
6th Aug 20254010 AMAQI
6th Aug 20255011 AMAQI
6th Aug 20254712 PMAQI
6th Aug 2025501 PMAQI
6th Aug 2025522 PMAQI
6th Aug 2025513 PMAQI
6th Aug 2025524 PMAQI
6th Aug 2025545 PMAQI
6th Aug 2025576 PMAQI
6th Aug 2025527 PMAQI
6th Aug 2025528 PMAQI
6th Aug 2025549 PMAQI
6th Aug 20255510 PMAQI
6th Aug 20255411 PMAQI
7th Aug 20255112 AMAQI
7th Aug 2025531 AMAQI
7th Aug 2025532 AMAQI
7th Aug 2025523 AMAQI
7th Aug 2025524 AMAQI

28°C28/30°C

7th Aug 2025505 AMAQI
7th Aug 2025526 AMAQI
7th Aug 2025517 AMAQI
7th Aug 2025558 AMAQI
7th Aug 2025579 AMAQI
7th Aug 20255410 AMAQI
7th Aug 20255411 AMAQI
7th Aug 20255512 PMAQI
7th Aug 2025571 PMAQI
7th Aug 2025622 PMAQI
7th Aug 2025603 PMAQI
7th Aug 2025594 PMAQI
7th Aug 2025585 PMAQI
7th Aug 2025646 PMAQI
7th Aug 2025647 PMAQI
7th Aug 2025618 PMAQI
7th Aug 2025639 PMAQI
7th Aug 20256410 PMAQI
7th Aug 20256411 PMAQI
8th Aug 20255912 AMAQI
8th Aug 2025521 AMAQI
8th Aug 2025522 AMAQI
8th Aug 2025523 AMAQI
8th Aug 2025534 AMAQI

28°C27/30°C

8th Aug 2025535 AMAQI
8th Aug 2025536 AMAQI
8th Aug 2025537 AMAQI
8th Aug 2025648 AMAQI
8th Aug 2025699 AMAQI
8th Aug 20256910 AMAQI
8th Aug 20256911 AMAQI
8th Aug 20256912 PMAQI
8th Aug 2025701 PMAQI
8th Aug 2025632 PMAQI
8th Aug 2025623 PMAQI
8th Aug 2025654 PMAQI
8th Aug 2025645 PMAQI
8th Aug 2025706 PMAQI
8th Aug 2025687 PMAQI
8th Aug 2025618 PMAQI
8th Aug 2025589 PMAQI
8th Aug 20255810 PMAQI
8th Aug 20255811 PMAQI
9th Aug 20255812 AMAQI
9th Aug 2025531 AMAQI
9th Aug 2025532 AMAQI
9th Aug 2025543 AMAQI
9th Aug 2025564 AMAQI

28°C27/29°C

9th Aug 2025575 AMAQI
9th Aug 2025566 AMAQI
9th Aug 2025567 AMAQI
9th Aug 2025668 AMAQI
9th Aug 2025729 AMAQI
9th Aug 20256610 AMAQI
9th Aug 20256611 AMAQI
9th Aug 20256812 PMAQI
9th Aug 2025721 PMAQI
9th Aug 2025722 PMAQI
9th Aug 2025713 PMAQI
9th Aug 2025724 PMAQI
9th Aug 2025705 PMAQI
9th Aug 2025706 PMAQI
9th Aug 2025687 PMAQI
9th Aug 2025628 PMAQI
9th Aug 2025629 PMAQI
9th Aug 20256210 PMAQI
9th Aug 20255911 PMAQI
10th Aug 20255712 AMAQI
10th Aug 2025541 AMAQI
10th Aug 2025552 AMAQI
10th Aug 2025563 AMAQI
10th Aug 2025564 AMAQI

28°C27/29°C

10th Aug 2025565 AMAQI
10th Aug 2025576 AMAQI
10th Aug 2025567 AMAQI
10th Aug 2025628 AMAQI
10th Aug 2025719 AMAQI
10th Aug 20256610 AMAQI
10th Aug 20256511 AMAQI
10th Aug 20256412 PMAQI
10th Aug 2025651 PMAQI
10th Aug 2025662 PMAQI
10th Aug 2025663 PMAQI
10th Aug 2025664 PMAQI
10th Aug 2025675 PMAQI
10th Aug 2025646 PMAQI
10th Aug 2025667 PMAQI
10th Aug 2025638 PMAQI
10th Aug 2025659 PMAQI
10th Aug 20256510 PMAQI
10th Aug 20256311 PMAQI
11th Aug 20256112 AMAQI
11th Aug 2025561 AMAQI
11th Aug 2025552 AMAQI
11th Aug 2025583 AMAQI
11th Aug 2025604 AMAQI

28°C27/29°C

11th Aug 2025605 AMAQI
11th Aug 2025606 AMAQI
11th Aug 2025607 AMAQI
11th Aug 2025618 AMAQI
11th Aug 2025609 AMAQI
11th Aug 20256010 AMAQI
11th Aug 20256411 AMAQI
11th Aug 20256412 PMAQI
11th Aug 2025641 PMAQI
11th Aug 2025612 PMAQI
11th Aug 2025633 PMAQI
11th Aug 2025604 PMAQI
11th Aug 2025675 PMAQI
11th Aug 2025606 PMAQI
11th Aug 2025587 PMAQI
11th Aug 2025558 PMAQI
11th Aug 2025549 PMAQI
11th Aug 20255610 PMAQI
11th Aug 20255611 PMAQI
12th Aug 20255512 AMAQI
12th Aug 2025571 AMAQI
12th Aug 2025562 AMAQI
12th Aug 2025583 AMAQI
12th Aug 2025584 AMAQI

28°C27/29°C

12th Aug 2025595 AMAQI
12th Aug 2025606 AMAQI
12th Aug 2025597 AMAQI
12th Aug 2025558 AMAQI
12th Aug 2025609 AMAQI
12th Aug 20255510 AMAQI
12th Aug 20256611 AMAQI
12th Aug 20255612 PMAQI
12th Aug 2025561 PMAQI
12th Aug 2025592 PMAQI
12th Aug 2025593 PMAQI
12th Aug 2025544 PMAQI
12th Aug 2025605 PMAQI
12th Aug 2025596 PMAQI
12th Aug 2025577 PMAQI
12th Aug 2025538 PMAQI
12th Aug 2025559 PMAQI
12th Aug 20255410 PMAQI
12th Aug 20255511 PMAQI
13th Aug 20255412 AMAQI
13th Aug 2025561 AMAQI
13th Aug 2025572 AMAQI
13th Aug 2025573 AMAQI
13th Aug 2025554 AMAQI

28°C27/28°C

13th Aug 2025565 AMAQI
13th Aug 2025576 AMAQI
13th Aug 2025567 AMAQI
13th Aug 2025288 AMAQI
13th Aug 2025359 AMAQI
13th Aug 20252610 AMAQI
13th Aug 20253111 AMAQI
13th Aug 20253712 PMAQI
13th Aug 2025341 PMAQI
13th Aug 2025472 PMAQI
13th Aug 2025423 PMAQI
13th Aug 2025494 PMAQI
13th Aug 2025405 PMAQI
13th Aug 2025426 PMAQI
13th Aug 2025467 PMAQI
13th Aug 2025528 PMAQI
13th Aug 2025489 PMAQI
13th Aug 20254910 PMAQI
13th Aug 20254611 PMAQI
14th Aug 20255112 AMAQI
14th Aug 2025571 AMAQI
14th Aug 2025552 AMAQI
14th Aug 2025553 AMAQI
14th Aug 2025544 AMAQI

28°C27/29°C

14th Aug 2025545 AMAQI
14th Aug 2025546 AMAQI
14th Aug 2025547 AMAQI
14th Aug 2025238 AMAQI
14th Aug 2025229 AMAQI
14th Aug 20252310 AMAQI
14th Aug 20253211 AMAQI
14th Aug 20252712 PMAQI
14th Aug 2025311 PMAQI
14th Aug 2025322 PMAQI
14th Aug 2025243 PMAQI
14th Aug 2025264 PMAQI
14th Aug 2025255 PMAQI
14th Aug 2025266 PMAQI
14th Aug 2025387 PMAQI
14th Aug 2025428 PMAQI
14th Aug 2025439 PMAQI
14th Aug 20254110 PMAQI
14th Aug 20254211 PMAQI
15th Aug 20254712 AMAQI
15th Aug 2025541 AMAQI
15th Aug 2025552 AMAQI
15th Aug 2025533 AMAQI
15th Aug 2025534 AMAQI

27°C27/29°C

15th Aug 2025525 AMAQI
15th Aug 2025526 AMAQI
15th Aug 2025527 AMAQI
15th Aug 2025268 AMAQI
15th Aug 2025269 AMAQI
15th Aug 20252010 AMAQI
15th Aug 20252611 AMAQI
15th Aug 20252412 PMAQI
15th Aug 2025231 PMAQI
15th Aug 2025252 PMAQI
15th Aug 2025263 PMAQI
15th Aug 2025224 PMAQI
15th Aug 2025265 PMAQI
15th Aug 2025266 PMAQI
15th Aug 2025387 PMAQI
15th Aug 2025418 PMAQI
15th Aug 2025409 PMAQI
15th Aug 20253610 PMAQI
15th Aug 20253611 PMAQI
16th Aug 20254512 AMAQI
16th Aug 2025531 AMAQI
16th Aug 2025522 AMAQI
16th Aug 2025513 AMAQI
16th Aug 2025484 AMAQI

27°C27/29°C

16th Aug 2025495 AMAQI
16th Aug 2025486 AMAQI
16th Aug 2025497 AMAQI
16th Aug 2025238 AMAQI
16th Aug 2025259 AMAQI
16th Aug 20252310 AMAQI
16th Aug 20252611 AMAQI
16th Aug 20252912 PMAQI
16th Aug 2025301 PMAQI
16th Aug 2025302 PMAQI
16th Aug 2025313 PMAQI
16th Aug 2025364 PMAQI
16th Aug 2025415 PMAQI
16th Aug 2025486 PMAQI
16th Aug 2025437 PMAQI
16th Aug 2025468 PMAQI
16th Aug 2025439 PMAQI
16th Aug 20255010 PMAQI
16th Aug 20254911 PMAQI
17th Aug 20255212 AMAQI
17th Aug 2025491 AMAQI
17th Aug 2025512 AMAQI
17th Aug 2025473 AMAQI
17th Aug 2025464 AMAQI

28°C27/29°C

17th Aug 2025435 AMAQI
17th Aug 2025456 AMAQI
17th Aug 2025447 AMAQI
17th Aug 2025488 AMAQI
17th Aug 2025449 AMAQI
17th Aug 20254610 AMAQI
17th Aug 20254611 AMAQI
17th Aug 20254412 PMAQI
17th Aug 2025481 PMAQI
17th Aug 2025462 PMAQI
17th Aug 2025503 PMAQI
17th Aug 2025504 PMAQI
17th Aug 2025545 PMAQI
17th Aug 2025566 PMAQI
17th Aug 2025567 PMAQI
17th Aug 2025558 PMAQI
17th Aug 2025549 PMAQI
17th Aug 20254810 PMAQI
17th Aug 20254811 PMAQI
18th Aug 20254612 AMAQI
18th Aug 2025461 AMAQI
18th Aug 2025462 AMAQI
18th Aug 2025483 AMAQI
18th Aug 2025454 AMAQI

28°C27/29°C

18th Aug 2025465 AMAQI
18th Aug 2025466 AMAQI
18th Aug 2025487 AMAQI
18th Aug 2025438 AMAQI
18th Aug 2025319 AMAQI
18th Aug 20253910 AMAQI
18th Aug 20253811 AMAQI
18th Aug 20253812 PMAQI
18th Aug 2025461 PMAQI
18th Aug 2025422 PMAQI
18th Aug 2025413 PMAQI
18th Aug 2025444 PMAQI
18th Aug 2025445 PMAQI
18th Aug 2025466 PMAQI
18th Aug 2025487 PMAQI
18th Aug 2025478 PMAQI
18th Aug 2025469 PMAQI
18th Aug 20254210 PMAQI
18th Aug 20254511 PMAQI
19th Aug 20254412 AMAQI
19th Aug 2025481 AMAQI
19th Aug 2025482 AMAQI
19th Aug 2025453 AMAQI
19th Aug 2025464 AMAQI

28°C27/29°C

19th Aug 2025455 AMAQI
19th Aug 2025456 AMAQI
19th Aug 2025467 AMAQI
19th Aug 2025388 AMAQI
19th Aug 2025519 AMAQI
19th Aug 20253910 AMAQI
19th Aug 20254611 AMAQI
19th Aug 20255312 PMAQI
19th Aug 2025561 PMAQI
19th Aug 2025482 PMAQI
19th Aug 2025523 PMAQI
19th Aug 2025554 PMAQI
19th Aug 2025535 PMAQI
19th Aug 2025486 PMAQI
19th Aug 2025497 PMAQI
19th Aug 2025488 PMAQI
19th Aug 2025499 PMAQI
19th Aug 20255010 PMAQI
19th Aug 20254911 PMAQI
20th Aug 20254212 AMAQI
20th Aug 2025501 AMAQI
20th Aug 2025482 AMAQI
20th Aug 2025503 AMAQI
20th Aug 2025484 AMAQI

28°C28/29°C

20th Aug 2025495 AMAQI
20th Aug 2025516 AMAQI
20th Aug 2025507 AMAQI
20th Aug 2025488 AMAQI
20th Aug 2025469 AMAQI
20th Aug 20255110 AMAQI
20th Aug 20255611 AMAQI
20th Aug 20254612 PMAQI
20th Aug 2025511 PMAQI
20th Aug 2025482 PMAQI
20th Aug 2025553 PMAQI
20th Aug 2025524 PMAQI
20th Aug 2025495 PMAQI
20th Aug 2025576 PMAQI
20th Aug 2025577 PMAQI
20th Aug 2025528 PMAQI
20th Aug 2025549 PMAQI
20th Aug 20255310 PMAQI
20th Aug 20255411 PMAQI
21st Aug 20255312 AMAQI
21st Aug 2025501 AMAQI
21st Aug 2025502 AMAQI
21st Aug 2025503 AMAQI
21st Aug 2025524 AMAQI

28°C28/29°C

21st Aug 2025525 AMAQI
5 AM
21st Aug 2025526 AMAQI
21st Aug 2025527 AMAQI
21st Aug 2025358 AMAQI
21st Aug 2025509 AMAQI
21st Aug 20255210 AMAQI
21st Aug 20255711 AMAQI
11 AM
21st Aug 20255612 PMAQI
21st Aug 2025561 PMAQI
21st Aug 2025612 PMAQI
21st Aug 2025623 PMAQI
21st Aug 2025644 PMAQI
21st Aug 2025665 PMAQI
21st Aug 2025686 PMAQI
6 PM
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 - 6 PM

45AQI

11 hours / Day
330 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 6 PM (Avg. 45).
Night time
Avg. Highest Time
12 AM - 11 PM

49AQI

10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM - 11 PM

49AQI

10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 49), while the lowest AQI was between 12 AM to 11 PM (Avg. 49).

2025 Days Vs Air Quality

Putuo East Port, Zhoushan, Zhejiang, China

2025

34%

79

59%

137

7%

16

Total number of days with different AQI categories in last 233 days in 2025 (132 days remaining)

Good
79 Days
Moderate
137 Days
Poor
16 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 34%

Health Risk Level:

High

In 2025, 34% of 233 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.

Annual Air Quality Insights

Putuo East Port, 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.

1st January 2025
75AQI
2nd January 2025
55AQI
3rd January 2025
70AQI
4th January 2025
69AQI
5th January 2025
96AQI
6th January 2025
114AQI
7th January 2025
104AQI
8th January 2025
121AQI
9th January 2025
77AQI
10th January 2025
79AQI
11th January 2025
88AQI
12th January 2025
107AQI
13th January 2025
118AQI
14th January 2025
95AQI
15th January 2025
79AQI
16th January 2025
81AQI
17th January 2025
106AQI
18th January 2025
102AQI
19th January 2025
115AQI
20th January 2025
149AQI
21st January 2025
150AQI
22nd January 2025
97AQI
23rd January 2025
91AQI
24th January 2025
74AQI
25th January 2025
71AQI
26th January 2025
66AQI
27th January 2025
65AQI
28th January 2025
63AQI
29th January 2025
108AQI
30th January 2025
87AQI
31st January 2025
68AQI
1st February 2025
51AQI
2nd February 2025
74AQI
3rd February 2025
92AQI
4th February 2025
102AQI
5th February 2025
86AQI
6th February 2025
83AQI
7th February 2025
76AQI
8th February 2025
64AQI
9th February 2025
79AQI
10th February 2025
75AQI
11th February 2025
61AQI
12th February 2025
106AQI
13th February 2025
70AQI
14th February 2025
68AQI
15th February 2025
68AQI
16th February 2025
114AQI
17th February 2025
64AQI
18th February 2025
72AQI
19th February 2025
72AQI
20th February 2025
62AQI
21st February 2025
61AQI
22nd February 2025
64AQI
23rd February 2025
77AQI
24th February 2025
124AQI
25th February 2025
92AQI
26th February 2025
146AQI
27th February 2025
97AQI
28th February 2025
83AQI
1st March 2025
74AQI
2nd March 2025
69AQI
3rd March 2025
66AQI
4th March 2025
54AQI
5th March 2025
46AQI
6th March 2025
55AQI
7th March 2025
63AQI
8th March 2025
87AQI
9th March 2025
63AQI
10th March 2025
75AQI
11th March 2025
62AQI
12th March 2025
65AQI
13th March 2025
56AQI
14th March 2025
58AQI
15th March 2025
36AQI
16th March 2025
72AQI
17th March 2025
64AQI
18th March 2025
72AQI
19th March 2025
66AQI
20th March 2025
74AQI
21st March 2025
74AQI
22nd March 2025
79AQI
23rd March 2025
78AQI
24th March 2025
95AQI
25th March 2025
82AQI
26th March 2025
63AQI
27th March 2025
62AQI
28th March 2025
53AQI
29th March 2025
58AQI
30th March 2025
45AQI
31st March 2025
46AQI
1st April 2025
52AQI
2nd April 2025
56AQI
3rd April 2025
55AQI
4th April 2025
49AQI
5th April 2025
58AQI
6th April 2025
58AQI
7th April 2025
63AQI
8th April 2025
61AQI
9th April 2025
52AQI
10th April 2025
59AQI
11th April 2025
50AQI
12th April 2025
59AQI
13th April 2025
58AQI
14th April 2025
67AQI
15th April 2025
56AQI
16th April 2025
57AQI
17th April 2025
63AQI
18th April 2025
51AQI
19th April 2025
51AQI
20th April 2025
50AQI
21st April 2025
46AQI
22nd April 2025
53AQI
23rd April 2025
46AQI
24th April 2025
59AQI
25th April 2025
50AQI
26th April 2025
44AQI
27th April 2025
47AQI
28th April 2025
47AQI
29th April 2025
48AQI
30th April 2025
41AQI
1st May 2025
52AQI
2nd May 2025
52AQI
3rd May 2025
57AQI
4th May 2025
43AQI
5th May 2025
49AQI
6th May 2025
60AQI
7th May 2025
57AQI
8th May 2025
53AQI
9th May 2025
49AQI
10th May 2025
49AQI
11th May 2025
54AQI
12th May 2025
58AQI
13th May 2025
56AQI
14th May 2025
51AQI
15th May 2025
49AQI
16th May 2025
49AQI
17th May 2025
56AQI
18th May 2025
54AQI
19th May 2025
50AQI
20th May 2025
52AQI
21st May 2025
41AQI
22nd May 2025
51AQI
23rd May 2025
42AQI
24th May 2025
57AQI
25th May 2025
57AQI
26th May 2025
53AQI
27th May 2025
53AQI
28th May 2025
51AQI
29th May 2025
52AQI
30th May 2025
57AQI
31st May 2025
54AQI
1st June 2025
45AQI
2nd June 2025
41AQI
3rd June 2025
46AQI
4th June 2025
56AQI
5th June 2025
44AQI
6th June 2025
50AQI
7th June 2025
48AQI
8th June 2025
46AQI
9th June 2025
48AQI
10th June 2025
40AQI
11th June 2025
38AQI
12th June 2025
39AQI
13th June 2025
35AQI
14th June 2025
41AQI
15th June 2025
37AQI
16th June 2025
38AQI
17th June 2025
47AQI
18th June 2025
53AQI
19th June 2025
47AQI
20th June 2025
43AQI
21st June 2025
52AQI
22nd June 2025
56AQI
23rd June 2025
53AQI
24th June 2025
53AQI
25th June 2025
55AQI
26th June 2025
57AQI
27th June 2025
56AQI
28th June 2025
55AQI
29th June 2025
44AQI
30th June 2025
39AQI
1st July 2025
40AQI
2nd July 2025
46AQI
3rd July 2025
49AQI
4th July 2025
47AQI
5th July 2025
43AQI
6th July 2025
37AQI
7th July 2025
38AQI
8th July 2025
40AQI
9th July 2025
38AQI
10th July 2025
46AQI
11th July 2025
38AQI
12th July 2025
39AQI
13th July 2025
43AQI
14th July 2025
58AQI
15th July 2025
58AQI
16th July 2025
58AQI
17th July 2025
57AQI
18th July 2025
51AQI
19th July 2025
44AQI
20th July 2025
43AQI
21st July 2025
40AQI
22nd July 2025
39AQI
23rd July 2025
37AQI
24th July 2025
38AQI
25th July 2025
34AQI
26th July 2025
35AQI
27th July 2025
35AQI
28th July 2025
36AQI
29th July 2025
32AQI
30th July 2025
31AQI
31st July 2025
48AQI
1st August 2025
53AQI
2nd August 2025
57AQI
3rd August 2025
59AQI
4th August 2025
60AQI
5th August 2025
49AQI
6th August 2025
52AQI
7th August 2025
57AQI
8th August 2025
60AQI
9th August 2025
63AQI
10th August 2025
62AQI
11th August 2025
59AQI
12th August 2025
57AQI
13th August 2025
47AQI
14th August 2025
40AQI
15th August 2025
38AQI
16th August 2025
42AQI
17th August 2025
49AQI
18th August 2025
44AQI
19th August 2025
48AQI
20th August 2025
48AQI

92AQI

82AQI

65AQI

54AQI

52AQI

47AQI

43AQI

52AQI

No. of days

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

202561AQI

20
11
23
5
4
27
11
19
9
22
20
10
26
5
9
11
79
137
16

Highest AQI recorded in

January

92AQI

Lowest AQI recorded in

July

43AQI

202459AQI

5
10
11
5
10
13
4
2
2
25
4
4
11
13
2
19
11
24
7
14
17
24
5
30
1
18
12
25
6
163
139
25
7

Highest AQI recorded in

January

102AQI

Lowest AQI recorded in

October

31AQI

202361AQI

6
14
10
1
11
16
1
5
24
2
4
20
4
2
12
15
4
15
14
1
23
8
20
11
20
10
22
8
1
11
12
3
6
18
4
3
155
170
30
6

Highest AQI recorded in

December

84AQI

Lowest AQI recorded in

September

43AQI

202254AQI

12
13
5
8
13
9
20
2
17
12
11
18
2
20
10
8
11
1
21
7
25
6
18
11
1
8
19
4
158
140
14

Highest AQI recorded in

December

70AQI

Lowest AQI recorded in

October

39AQI

202155AQI

5
20
6
9
17
2
8
21
1
1
10
19
1
12
19
22
8
25
6
17
8
18
12
27
4
8
21
1
6
19
6
167
174
17
1

Highest AQI recorded in

January

78AQI

Lowest AQI recorded in

July

40AQI

202052AQI

9
4
3
16
2
3
15
13
17
18
13
17
13
20
9
1
25
6
20
9
1
13
14
4
141
116
8

Highest AQI recorded in

April

71AQI

Lowest AQI recorded in

October

43AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
61AQI
Least Polluted Year Recorded
2020(Avg.)
52AQI

Putuo East Port's annual 2025 AQI (61) shows an average percentage change of 8.1% (worsened AQI) compared to previous years: 2020 (52), 2021 (55), 2022 (54), 2023 (61), 2024 (59).