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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+

July 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
9th Jul 2023
90AQI
Lowest AQI recorded on
27th Jul 2023
17AQI

Same Day Analysis (2nd July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 45 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025

Putuo East Port, Zhoushan, Zhejiang, China

AQI
Day
Night
.

4 AM2nd Jul 2025

6 PM

3 AM3rd Jul 2025

Day time
Avg. Highest Time
6PM2nd Jul

52AQI

Avg. Lowest Time
10AM2nd Jul

26AQI

Night time
Avg. Highest Time
8PM2nd Jul

54AQI

Avg. Lowest Time
3AM3rd Jul

51AQI

In the last 24 hours,

Putuo East Port's AQI reached its highest point of 54 at 8 PM during the Night, while the lowest point, 26, was recorded at 10 AM during the Day between 2nd Jul and 3rd Jul 2025.

Day & Night AQI Trend : Jun - Jul 2025

Putuo East Port, Zhoushan, Zhejiang, China

JunJul
03rd - 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 - 01st01st - 02nd02nd - 03rd03rd
Day
Night
3rd Jun 2025484 AMAQI
3rd Jun 2025505 AMAQI
3rd Jun 2025496 AMAQI
3rd Jun 2025517 AMAQI
3rd Jun 2025398 AMAQI
3rd Jun 2025389 AMAQI
3rd Jun 20253310 AMAQI
3rd Jun 20253411 AMAQI
3rd Jun 20253912 PMAQI
3rd Jun 2025401 PMAQI
3rd Jun 2025412 PMAQI
3rd Jun 2025453 PMAQI
3rd Jun 2025454 PMAQI
3rd Jun 2025505 PMAQI
3rd Jun 2025546 PMAQI
3rd Jun 2025557 PMAQI
3rd Jun 2025528 PMAQI
3rd Jun 2025549 PMAQI
3rd Jun 20255410 PMAQI
3rd Jun 20255611 PMAQI
4th Jun 20255012 AMAQI
4th Jun 2025511 AMAQI
4th Jun 2025492 AMAQI
4th Jun 2025483 AMAQI

20°C19/21°C

4th Jun 2025504 AMAQI
4th Jun 2025505 AMAQI
4th Jun 2025506 AMAQI
4th Jun 2025497 AMAQI
4th Jun 2025558 AMAQI
4th Jun 2025589 AMAQI
4th Jun 20255810 AMAQI
4th Jun 20255711 AMAQI
4th Jun 20256012 PMAQI
4th Jun 2025611 PMAQI
4th Jun 2025702 PMAQI
4th Jun 2025633 PMAQI
4th Jun 2025694 PMAQI
4th Jun 2025595 PMAQI
4th Jun 2025696 PMAQI
4th Jun 2025607 PMAQI
4th Jun 2025598 PMAQI
4th Jun 2025589 PMAQI
4th Jun 20255310 PMAQI
4th Jun 20255311 PMAQI
5th Jun 20254612 AMAQI
5th Jun 2025511 AMAQI
5th Jun 2025522 AMAQI
5th Jun 2025533 AMAQI

22°C20/24°C

5th Jun 2025484 AMAQI
5th Jun 2025485 AMAQI
5th Jun 2025526 AMAQI
5th Jun 2025497 AMAQI
5th Jun 2025518 AMAQI
5th Jun 2025449 AMAQI
5th Jun 20254010 AMAQI
5th Jun 20254111 AMAQI
5th Jun 20254212 PMAQI
5th Jun 2025381 PMAQI
5th Jun 2025352 PMAQI
5th Jun 2025363 PMAQI
5th Jun 2025404 PMAQI
5th Jun 2025345 PMAQI
5th Jun 2025446 PMAQI
5th Jun 2025427 PMAQI
5th Jun 2025498 PMAQI
5th Jun 2025399 PMAQI
5th Jun 20254610 PMAQI
5th Jun 20254411 PMAQI
6th Jun 20254212 AMAQI
6th Jun 2025591 AMAQI
6th Jun 2025552 AMAQI
6th Jun 2025553 AMAQI

22°C21/24°C

6th Jun 2025554 AMAQI
6th Jun 2025565 AMAQI
6th Jun 2025556 AMAQI
6th Jun 2025537 AMAQI
6th Jun 2025498 AMAQI
6th Jun 2025429 AMAQI
6th Jun 20253810 AMAQI
6th Jun 20253611 AMAQI
6th Jun 20253912 PMAQI
6th Jun 2025481 PMAQI
6th Jun 2025492 PMAQI
6th Jun 2025523 PMAQI
6th Jun 2025484 PMAQI
6th Jun 2025505 PMAQI
6th Jun 2025516 PMAQI
6th Jun 2025537 PMAQI
6th Jun 2025538 PMAQI
6th Jun 2025549 PMAQI
6th Jun 20255210 PMAQI
6th Jun 20254611 PMAQI
7th Jun 20255212 AMAQI
7th Jun 2025491 AMAQI
7th Jun 2025482 AMAQI
7th Jun 2025503 AMAQI

23°C22/24°C

7th Jun 2025514 AMAQI
7th Jun 2025495 AMAQI
7th Jun 2025486 AMAQI
7th Jun 2025477 AMAQI
7th Jun 2025418 AMAQI
7th Jun 2025419 AMAQI
7th Jun 20254010 AMAQI
7th Jun 20253811 AMAQI
7th Jun 20253912 PMAQI
7th Jun 2025441 PMAQI
7th Jun 2025452 PMAQI
7th Jun 2025543 PMAQI
7th Jun 2025514 PMAQI
7th Jun 2025505 PMAQI
7th Jun 2025546 PMAQI
7th Jun 2025547 PMAQI
7th Jun 2025528 PMAQI
7th Jun 2025549 PMAQI
7th Jun 20255410 PMAQI
7th Jun 20255311 PMAQI
8th Jun 20255412 AMAQI
8th Jun 2025531 AMAQI
8th Jun 2025532 AMAQI
8th Jun 2025543 AMAQI

24°C23/25°C

8th Jun 2025544 AMAQI
8th Jun 2025525 AMAQI
8th Jun 2025456 AMAQI
8th Jun 2025537 AMAQI
8th Jun 2025448 AMAQI
8th Jun 2025389 AMAQI
8th Jun 20253910 AMAQI
8th Jun 20254411 AMAQI
8th Jun 20254212 PMAQI
8th Jun 2025371 PMAQI
8th Jun 2025402 PMAQI
8th Jun 2025443 PMAQI
8th Jun 2025374 PMAQI
8th Jun 2025445 PMAQI
8th Jun 2025506 PMAQI
8th Jun 2025527 PMAQI
8th Jun 2025508 PMAQI
8th Jun 2025409 PMAQI
8th Jun 20254610 PMAQI
8th Jun 20255111 PMAQI
9th Jun 20255512 AMAQI
9th Jun 2025541 AMAQI
9th Jun 2025482 AMAQI
9th Jun 2025523 AMAQI

23°C23/24°C

9th Jun 2025534 AMAQI
9th Jun 2025535 AMAQI
9th Jun 2025546 AMAQI
9th Jun 2025527 AMAQI
9th Jun 2025508 AMAQI
9th Jun 2025519 AMAQI
9th Jun 20254210 AMAQI
9th Jun 20254311 AMAQI
9th Jun 20254512 PMAQI
9th Jun 2025521 PMAQI
9th Jun 2025552 PMAQI
9th Jun 2025503 PMAQI
9th Jun 2025484 PMAQI
9th Jun 2025455 PMAQI
9th Jun 2025426 PMAQI
9th Jun 2025407 PMAQI
9th Jun 2025428 PMAQI
9th Jun 2025439 PMAQI
9th Jun 20255210 PMAQI
9th Jun 20254911 PMAQI
10th Jun 20255012 AMAQI
10th Jun 2025491 AMAQI
10th Jun 2025522 AMAQI
10th Jun 2025513 AMAQI

23°C23/23°C

10th Jun 2025514 AMAQI
10th Jun 2025515 AMAQI
10th Jun 2025506 AMAQI
10th Jun 2025507 AMAQI
10th Jun 2025528 AMAQI
10th Jun 2025479 AMAQI
10th Jun 20254610 AMAQI
10th Jun 20253311 AMAQI
10th Jun 20253012 PMAQI
10th Jun 2025321 PMAQI
10th Jun 2025282 PMAQI
10th Jun 2025273 PMAQI
10th Jun 2025244 PMAQI
10th Jun 2025405 PMAQI
10th Jun 2025266 PMAQI
10th Jun 2025307 PMAQI
10th Jun 2025328 PMAQI
10th Jun 2025339 PMAQI
10th Jun 20253110 PMAQI
10th Jun 20253011 PMAQI
11th Jun 20253512 AMAQI
11th Jun 2025491 AMAQI
11th Jun 2025522 AMAQI
11th Jun 2025503 AMAQI

22°C21/23°C

11th Jun 2025484 AMAQI
11th Jun 2025525 AMAQI
11th Jun 2025486 AMAQI
11th Jun 2025477 AMAQI
11th Jun 2025418 AMAQI
11th Jun 2025429 AMAQI
11th Jun 20253610 AMAQI
11th Jun 20253211 AMAQI
11th Jun 20253312 PMAQI
11th Jun 2025321 PMAQI
11th Jun 2025342 PMAQI
11th Jun 2025363 PMAQI
11th Jun 2025304 PMAQI
11th Jun 2025315 PMAQI
11th Jun 2025326 PMAQI
11th Jun 2025377 PMAQI
11th Jun 2025328 PMAQI
11th Jun 2025329 PMAQI
11th Jun 20253210 PMAQI
11th Jun 20253411 PMAQI
12th Jun 20253612 AMAQI
12th Jun 2025421 AMAQI
12th Jun 2025462 AMAQI
12th Jun 2025463 AMAQI

21°C21/22°C

12th Jun 2025464 AMAQI
12th Jun 2025455 AMAQI
12th Jun 2025466 AMAQI
12th Jun 2025497 AMAQI
12th Jun 2025388 AMAQI
12th Jun 2025339 AMAQI
12th Jun 20252910 AMAQI
12th Jun 20253111 AMAQI
12th Jun 20253212 PMAQI
12th Jun 2025341 PMAQI
12th Jun 2025332 PMAQI
12th Jun 2025353 PMAQI
12th Jun 2025404 PMAQI
12th Jun 2025385 PMAQI
12th Jun 2025366 PMAQI
12th Jun 2025397 PMAQI
12th Jun 2025388 PMAQI
12th Jun 2025399 PMAQI
12th Jun 20253710 PMAQI
12th Jun 20253811 PMAQI
13th Jun 20253912 AMAQI
13th Jun 2025451 AMAQI
13th Jun 2025442 AMAQI
13th Jun 2025443 AMAQI

22°C21/23°C

13th Jun 2025434 AMAQI
13th Jun 2025435 AMAQI
13th Jun 2025446 AMAQI
13th Jun 2025477 AMAQI
13th Jun 2025368 AMAQI
13th Jun 2025329 AMAQI
13th Jun 20252810 AMAQI
13th Jun 20252611 AMAQI
13th Jun 20252612 PMAQI
13th Jun 2025271 PMAQI
13th Jun 2025272 PMAQI
13th Jun 2025263 PMAQI
13th Jun 2025264 PMAQI
13th Jun 2025265 PMAQI
13th Jun 2025286 PMAQI
13th Jun 2025267 PMAQI
13th Jun 2025278 PMAQI
13th Jun 2025329 PMAQI
13th Jun 20253210 PMAQI
13th Jun 20254211 PMAQI
14th Jun 20253412 AMAQI
14th Jun 2025461 AMAQI
14th Jun 2025452 AMAQI
14th Jun 2025453 AMAQI

24°C23/24°C

14th Jun 2025444 AMAQI
14th Jun 2025455 AMAQI
14th Jun 2025436 AMAQI
14th Jun 2025427 AMAQI
14th Jun 2025398 AMAQI
14th Jun 2025409 AMAQI
14th Jun 20254010 AMAQI
14th Jun 20254211 AMAQI
14th Jun 20254612 PMAQI
14th Jun 2025501 PMAQI
14th Jun 2025502 PMAQI
14th Jun 2025503 PMAQI
14th Jun 2025434 PMAQI
14th Jun 2025425 PMAQI
14th Jun 2025466 PMAQI
14th Jun 2025367 PMAQI
14th Jun 2025388 PMAQI
14th Jun 2025369 PMAQI
14th Jun 20253810 PMAQI
14th Jun 20254011 PMAQI
15th Jun 20254212 AMAQI
15th Jun 2025421 AMAQI
15th Jun 2025442 AMAQI
15th Jun 2025423 AMAQI

24°C23/26°C

15th Jun 2025424 AMAQI
15th Jun 2025385 AMAQI
15th Jun 2025386 AMAQI
15th Jun 2025387 AMAQI
15th Jun 2025388 AMAQI
15th Jun 2025369 AMAQI
15th Jun 20253510 AMAQI
15th Jun 20253511 AMAQI
15th Jun 20253812 PMAQI
15th Jun 2025401 PMAQI
15th Jun 2025352 PMAQI
15th Jun 2025343 PMAQI
15th Jun 2025354 PMAQI
15th Jun 2025325 PMAQI
15th Jun 2025276 PMAQI
15th Jun 2025307 PMAQI
15th Jun 2025348 PMAQI
15th Jun 2025349 PMAQI
15th Jun 20253710 PMAQI
15th Jun 20253211 PMAQI
16th Jun 20253612 AMAQI
16th Jun 2025421 AMAQI
16th Jun 2025422 AMAQI
16th Jun 2025433 AMAQI

23°C22/24°C

16th Jun 2025434 AMAQI
16th Jun 2025425 AMAQI
16th Jun 2025426 AMAQI
16th Jun 2025397 AMAQI
16th Jun 2025278 AMAQI
16th Jun 2025259 AMAQI
16th Jun 20252810 AMAQI
16th Jun 20253211 AMAQI
16th Jun 20253212 PMAQI
16th Jun 2025381 PMAQI
16th Jun 2025362 PMAQI
16th Jun 2025353 PMAQI
16th Jun 2025334 PMAQI
16th Jun 2025385 PMAQI
16th Jun 2025386 PMAQI
16th Jun 2025427 PMAQI
16th Jun 2025368 PMAQI
16th Jun 2025409 PMAQI
16th Jun 20253810 PMAQI
16th Jun 20253911 PMAQI
17th Jun 20253612 AMAQI
17th Jun 2025401 AMAQI
17th Jun 2025422 AMAQI
17th Jun 2025403 AMAQI

23°C20/25°C

17th Jun 2025404 AMAQI
17th Jun 2025425 AMAQI
17th Jun 2025406 AMAQI
17th Jun 2025407 AMAQI
17th Jun 2025428 AMAQI
17th Jun 2025529 AMAQI
17th Jun 20254810 AMAQI
17th Jun 20254711 AMAQI
17th Jun 20255112 PMAQI
17th Jun 2025531 PMAQI
17th Jun 2025532 PMAQI
17th Jun 2025523 PMAQI
17th Jun 2025544 PMAQI
17th Jun 2025575 PMAQI
17th Jun 2025566 PMAQI
17th Jun 2025567 PMAQI
17th Jun 2025598 PMAQI
17th Jun 2025609 PMAQI
17th Jun 20255910 PMAQI
17th Jun 20255911 PMAQI
18th Jun 20255612 AMAQI
18th Jun 2025521 AMAQI
18th Jun 2025522 AMAQI
18th Jun 2025533 AMAQI

24°C23/26°C

18th Jun 2025544 AMAQI
18th Jun 2025535 AMAQI
18th Jun 2025546 AMAQI
18th Jun 2025547 AMAQI
18th Jun 2025538 AMAQI
18th Jun 2025619 AMAQI
18th Jun 20255710 AMAQI
18th Jun 20255611 AMAQI
18th Jun 20255512 PMAQI
18th Jun 2025501 PMAQI
18th Jun 2025502 PMAQI
18th Jun 2025513 PMAQI
18th Jun 2025524 PMAQI
18th Jun 2025515 PMAQI
18th Jun 2025526 PMAQI
18th Jun 2025447 PMAQI
18th Jun 2025528 PMAQI
18th Jun 2025529 PMAQI
18th Jun 20255210 PMAQI
18th Jun 20255411 PMAQI
19th Jun 20255412 AMAQI
19th Jun 2025541 AMAQI
19th Jun 2025542 AMAQI
19th Jun 2025543 AMAQI

24°C23/25°C

19th Jun 2025554 AMAQI
19th Jun 2025555 AMAQI
19th Jun 2025556 AMAQI
19th Jun 2025557 AMAQI
19th Jun 2025398 AMAQI
19th Jun 2025339 AMAQI
19th Jun 20253510 AMAQI
19th Jun 20253511 AMAQI
19th Jun 20254612 PMAQI
19th Jun 2025521 PMAQI
19th Jun 2025402 PMAQI
19th Jun 2025393 PMAQI
19th Jun 2025364 PMAQI
19th Jun 2025295 PMAQI
19th Jun 2025336 PMAQI
19th Jun 2025407 PMAQI
19th Jun 2025508 PMAQI
19th Jun 2025469 PMAQI
19th Jun 20254810 PMAQI
19th Jun 20255211 PMAQI
20th Jun 20255212 AMAQI
20th Jun 2025561 AMAQI
20th Jun 2025552 AMAQI
20th Jun 2025553 AMAQI

24°C24/25°C

20th Jun 2025554 AMAQI
20th Jun 2025555 AMAQI
20th Jun 2025556 AMAQI
20th Jun 2025547 AMAQI
20th Jun 2025288 AMAQI
20th Jun 2025249 AMAQI
20th Jun 20252210 AMAQI
20th Jun 20253011 AMAQI
20th Jun 20252412 PMAQI
20th Jun 2025311 PMAQI
20th Jun 2025282 PMAQI
20th Jun 2025263 PMAQI
20th Jun 2025304 PMAQI
20th Jun 2025285 PMAQI
20th Jun 2025286 PMAQI
20th Jun 2025347 PMAQI
20th Jun 2025488 PMAQI
20th Jun 2025499 PMAQI
20th Jun 20254710 PMAQI
20th Jun 20254611 PMAQI
21st Jun 20254612 AMAQI
21st Jun 2025521 AMAQI
21st Jun 2025552 AMAQI
21st Jun 2025543 AMAQI

25°C24/26°C

21st Jun 2025524 AMAQI
21st Jun 2025535 AMAQI
21st Jun 2025546 AMAQI
21st Jun 2025527 AMAQI
21st Jun 2025478 AMAQI
21st Jun 2025469 AMAQI
21st Jun 20254510 AMAQI
21st Jun 20254611 AMAQI
21st Jun 20255012 PMAQI
21st Jun 2025521 PMAQI
21st Jun 2025532 PMAQI
21st Jun 2025543 PMAQI
21st Jun 2025584 PMAQI
21st Jun 2025565 PMAQI
21st Jun 2025546 PMAQI
21st Jun 2025567 PMAQI
21st Jun 2025568 PMAQI
21st Jun 2025569 PMAQI
21st Jun 20255610 PMAQI
21st Jun 20255611 PMAQI
22nd Jun 20255612 AMAQI
22nd Jun 2025561 AMAQI
22nd Jun 2025562 AMAQI
22nd Jun 2025563 AMAQI

25°C24/26°C

22nd Jun 2025564 AMAQI
22nd Jun 2025565 AMAQI
22nd Jun 2025566 AMAQI
22nd Jun 2025567 AMAQI
22nd Jun 2025568 AMAQI
22nd Jun 2025569 AMAQI
22nd Jun 20255610 AMAQI
22nd Jun 20255611 AMAQI
22nd Jun 20255612 PMAQI
22nd Jun 2025561 PMAQI
22nd Jun 2025562 PMAQI
22nd Jun 2025563 PMAQI
22nd Jun 2025564 PMAQI
22nd Jun 2025565 PMAQI
22nd Jun 2025566 PMAQI
22nd Jun 2025567 PMAQI
22nd Jun 2025568 PMAQI
22nd Jun 2025569 PMAQI
22nd Jun 20255610 PMAQI
22nd Jun 20255611 PMAQI
23rd Jun 20255612 AMAQI
23rd Jun 2025561 AMAQI
23rd Jun 2025562 AMAQI
23rd Jun 2025563 AMAQI

23°C22/24°C

23rd Jun 2025564 AMAQI
23rd Jun 2025585 AMAQI
23rd Jun 2025566 AMAQI
23rd Jun 2025587 AMAQI
23rd Jun 2025448 AMAQI
23rd Jun 2025339 AMAQI
23rd Jun 20253410 AMAQI
23rd Jun 20253611 AMAQI
23rd Jun 20254512 PMAQI
23rd Jun 2025501 PMAQI
23rd Jun 2025512 PMAQI
23rd Jun 2025443 PMAQI
23rd Jun 2025444 PMAQI
23rd Jun 2025435 PMAQI
23rd Jun 2025546 PMAQI
23rd Jun 2025587 PMAQI
23rd Jun 2025598 PMAQI
23rd Jun 2025579 PMAQI
23rd Jun 20255610 PMAQI
23rd Jun 20255711 PMAQI
24th Jun 20255712 AMAQI
24th Jun 2025581 AMAQI
24th Jun 2025582 AMAQI
24th Jun 2025563 AMAQI

24°C22/25°C

24th Jun 2025554 AMAQI
24th Jun 2025565 AMAQI
24th Jun 2025566 AMAQI
24th Jun 2025557 AMAQI
24th Jun 2025578 AMAQI
24th Jun 2025569 AMAQI
24th Jun 20255210 AMAQI
24th Jun 20255011 AMAQI
24th Jun 20255612 PMAQI
24th Jun 2025551 PMAQI
24th Jun 2025482 PMAQI
24th Jun 2025383 PMAQI
24th Jun 2025404 PMAQI
24th Jun 2025415 PMAQI
24th Jun 2025406 PMAQI
24th Jun 2025477 PMAQI
24th Jun 2025558 PMAQI
24th Jun 2025589 PMAQI
24th Jun 20255910 PMAQI
24th Jun 20255911 PMAQI
25th Jun 20255412 AMAQI
25th Jun 2025561 AMAQI
25th Jun 2025572 AMAQI
25th Jun 2025573 AMAQI

23°C22/24°C

25th Jun 2025564 AMAQI
25th Jun 2025575 AMAQI
25th Jun 2025576 AMAQI
25th Jun 2025567 AMAQI
25th Jun 2025568 AMAQI
25th Jun 2025569 AMAQI
25th Jun 20255810 AMAQI
25th Jun 20255811 AMAQI
25th Jun 20255812 PMAQI
25th Jun 2025621 PMAQI
25th Jun 2025582 PMAQI
25th Jun 2025543 PMAQI
25th Jun 2025514 PMAQI
25th Jun 2025445 PMAQI
25th Jun 2025466 PMAQI
25th Jun 2025507 PMAQI
25th Jun 2025548 PMAQI
25th Jun 2025569 PMAQI
25th Jun 20255610 PMAQI
25th Jun 20255811 PMAQI
26th Jun 20255812 AMAQI
26th Jun 2025561 AMAQI
26th Jun 2025562 AMAQI
26th Jun 2025573 AMAQI

23°C22/24°C

26th Jun 2025574 AMAQI
26th Jun 2025575 AMAQI
26th Jun 2025576 AMAQI
26th Jun 2025577 AMAQI
26th Jun 2025568 AMAQI
26th Jun 2025559 AMAQI
26th Jun 20255410 AMAQI
26th Jun 20255411 AMAQI
26th Jun 20255712 PMAQI
26th Jun 2025601 PMAQI
26th Jun 2025582 PMAQI
26th Jun 2025583 PMAQI
26th Jun 2025584 PMAQI
26th Jun 2025545 PMAQI
26th Jun 2025546 PMAQI
26th Jun 2025567 PMAQI
26th Jun 2025578 PMAQI
26th Jun 2025569 PMAQI
26th Jun 20255610 PMAQI
26th Jun 20255511 PMAQI
27th Jun 20255512 AMAQI
27th Jun 2025561 AMAQI
27th Jun 2025562 AMAQI
27th Jun 2025573 AMAQI

25°C24/26°C

27th Jun 2025574 AMAQI
27th Jun 2025575 AMAQI
27th Jun 2025586 AMAQI
27th Jun 2025587 AMAQI
27th Jun 2025568 AMAQI
27th Jun 2025589 AMAQI
27th Jun 20256010 AMAQI
27th Jun 20256111 AMAQI
27th Jun 20256212 PMAQI
27th Jun 2025601 PMAQI
27th Jun 2025592 PMAQI
27th Jun 2025563 PMAQI
27th Jun 2025544 PMAQI
27th Jun 2025525 PMAQI
27th Jun 2025546 PMAQI
27th Jun 2025557 PMAQI
27th Jun 2025558 PMAQI
27th Jun 2025549 PMAQI
27th Jun 20255510 PMAQI
27th Jun 20255511 PMAQI
28th Jun 20255412 AMAQI
28th Jun 2025571 AMAQI
28th Jun 2025572 AMAQI
28th Jun 2025573 AMAQI

25°C24/27°C

28th Jun 2025584 AMAQI
28th Jun 2025585 AMAQI
28th Jun 2025586 AMAQI
28th Jun 2025587 AMAQI
28th Jun 2025558 AMAQI
28th Jun 2025539 AMAQI
28th Jun 20255110 AMAQI
28th Jun 20255311 AMAQI
28th Jun 20255112 PMAQI
28th Jun 2025541 PMAQI
28th Jun 2025532 PMAQI
28th Jun 2025533 PMAQI
28th Jun 2025544 PMAQI
28th Jun 2025525 PMAQI
28th Jun 2025546 PMAQI
28th Jun 2025587 PMAQI
28th Jun 2025588 PMAQI
28th Jun 2025599 PMAQI
28th Jun 20255910 PMAQI
28th Jun 20255811 PMAQI
29th Jun 20255212 AMAQI
29th Jun 2025561 AMAQI
29th Jun 2025572 AMAQI
29th Jun 2025573 AMAQI

26°C25/27°C

29th Jun 2025564 AMAQI
29th Jun 2025565 AMAQI
29th Jun 2025566 AMAQI
29th Jun 2025567 AMAQI
29th Jun 2025408 AMAQI
29th Jun 2025249 AMAQI
29th Jun 20252610 AMAQI
29th Jun 20252811 AMAQI
29th Jun 20253012 PMAQI
29th Jun 2025281 PMAQI
29th Jun 2025292 PMAQI
29th Jun 2025263 PMAQI
29th Jun 2025254 PMAQI
29th Jun 2025275 PMAQI
29th Jun 2025306 PMAQI
29th Jun 2025377 PMAQI
29th Jun 2025468 PMAQI
29th Jun 2025459 PMAQI
29th Jun 20254510 PMAQI
29th Jun 20254411 PMAQI
30th Jun 20254612 AMAQI
30th Jun 2025551 AMAQI
30th Jun 2025562 AMAQI
30th Jun 2025553 AMAQI

26°C25/27°C

30th Jun 2025544 AMAQI
30th Jun 2025535 AMAQI
30th Jun 2025536 AMAQI
30th Jun 2025537 AMAQI
30th Jun 2025298 AMAQI
30th Jun 2025239 AMAQI
30th Jun 20252210 AMAQI
30th Jun 20252011 AMAQI
30th Jun 20252212 PMAQI
30th Jun 2025231 PMAQI
30th Jun 2025232 PMAQI
30th Jun 2025223 PMAQI
30th Jun 2025214 PMAQI
30th Jun 2025245 PMAQI
30th Jun 2025246 PMAQI
30th Jun 2025337 PMAQI
30th Jun 2025448 PMAQI
30th Jun 2025429 PMAQI
30th Jun 20254110 PMAQI
30th Jun 20254211 PMAQI
1st Jul 20254612 AMAQI
1st Jul 2025541 AMAQI
1st Jul 2025542 AMAQI
1st Jul 2025523 AMAQI

26°C26/27°C

1st Jul 2025514 AMAQI
1st Jul 2025515 AMAQI
1st Jul 2025526 AMAQI
1st Jul 2025517 AMAQI
1st Jul 2025288 AMAQI
1st Jul 2025229 AMAQI
1st Jul 20252210 AMAQI
1st Jul 20252411 AMAQI
1st Jul 20252812 PMAQI
1st Jul 2025291 PMAQI
1st Jul 2025282 PMAQI
1st Jul 2025273 PMAQI
1st Jul 2025284 PMAQI
1st Jul 2025285 PMAQI
1st Jul 2025286 PMAQI
1st Jul 2025377 PMAQI
1st Jul 2025438 PMAQI
1st Jul 2025459 PMAQI
1st Jul 20254610 PMAQI
1st Jul 20254411 PMAQI
2nd Jul 20254512 AMAQI
2nd Jul 2025521 AMAQI
2nd Jul 2025522 AMAQI
2nd Jul 2025513 AMAQI

27°C26/28°C

2nd Jul 2025504 AMAQI
2nd Jul 2025495 AMAQI
2nd Jul 2025496 AMAQI
2nd Jul 2025507 AMAQI
2nd Jul 2025308 AMAQI
2nd Jul 2025269 AMAQI
2nd Jul 20252610 AMAQI
2nd Jul 20252911 AMAQI
2nd Jul 20253112 PMAQI
2nd Jul 2025361 PMAQI
2nd Jul 2025432 PMAQI
2nd Jul 2025443 PMAQI
2nd Jul 2025464 PMAQI
2nd Jul 2025505 PMAQI
2nd Jul 2025526 PMAQI
2nd Jul 2025537 PMAQI
2nd Jul 2025548 PMAQI
2nd Jul 2025549 PMAQI
2nd Jul 20255410 PMAQI
2nd Jul 20255411 PMAQI
3rd Jul 20255412 AMAQI
3rd Jul 2025521 AMAQI
3rd Jul 2025522 AMAQI
3rd Jul 2025513 AMAQI

27°C26/28°C

3rd Jul 2025514 AMAQI
4 AM
3rd Jul 2025515 AMAQI
3rd Jul 2025516 AMAQI
3rd Jul 2025517 AMAQI
3rd Jul 2025468 AMAQI
3rd Jul 2025409 AMAQI
3rd Jul 20254510 AMAQI
3rd Jul 20254511 AMAQI
11 AM
3rd Jul 20254512 PMAQI
3rd Jul 2025451 PMAQI
3rd Jul 2025452 PMAQI
3rd Jul 2025453 PMAQI
3rd Jul 2025454 PMAQI
3rd Jul 2025425 PMAQI
3rd Jul 2025446 PMAQI
6 PM
3rd Jul 2025497 PMAQI
3rd Jul 2025518 PMAQI
3rd Jul 2025489 PMAQI
11 PM
3 AM

0°C0/0°C

Day time
Avg. Highest Time
4 AM - 7 AM

51AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
9 AM - 6 PM

42AQI

10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 7 AM (Avg. 51), while the lowest AQI was between 9 AM to 6 PM (Avg. 42).
Night time
Avg. Highest Time
1 AM - 3 AM

52AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
7 PM - 11 PM

48AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 3 AM (Avg. 52), while the lowest AQI was between 7 PM to 11 PM (Avg. 48).

2025 Days Vs Air Quality

Putuo East Port, Zhoushan, Zhejiang, China

2025

25%

46

66%

121

9%

16

Total number of days with different AQI categories in last 184 days in 2025 (181 days remaining)

Good
46 Days
Moderate
121 Days
Poor
16 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 25%

Health Risk Level:

Very high

In 2025, 25% of 184 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 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
45AQI

92AQI

82AQI

65AQI

54AQI

52AQI

47AQI

43AQI

No. of days

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

202565AQI

20
11
23
5
4
27
11
19
9
22
20
10
2
46
121
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.)
65AQI
Least Polluted Year Recorded
2020(Avg.)
52AQI

Putuo East Port's annual 2025 AQI (65) shows an average percentage change of 15.01% (worsened AQI) compared to previous years: 2020 (52), 2021 (55), 2022 (54), 2023 (61), 2024 (59).