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HistoryAQIPM2.5PM10COSO2NO2O3

Dinghai Tanfeng, 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+

October Air Quality Analysis

Dinghai Tanfeng, Zhoushan, Zhejiang, China

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
16th Oct 2023
119AQI
Lowest AQI recorded on
5th Oct 2024
14AQI

Same Day Analysis (5th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 43 of Good air quality, showing improvement over 2023 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 5th Oct - 6th Oct 2025

Dinghai Tanfeng, Zhoushan, Zhejiang, China

AQI
Day
Night
.

5 AM5th Oct 2025

5 PM

4 AM6th Oct 2025

Day time
Avg. Highest Time
12AMNaNth undefined

AQI

Avg. Lowest Time
12AMNaNth undefined

AQI

Night time
Avg. Highest Time
12PM5th Oct

49AQI

Avg. Lowest Time
1AM6th Oct

37AQI

In the last 24 hours,

Dinghai Tanfeng's AQI reached its highest point of 49 at 12 PM during the Night, while the lowest point, 37, was recorded at 1 AM during the Night between 5th Oct and 6th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Dinghai Tanfeng, Zhoushan, Zhejiang, China

SepOct
06th - 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 - 04th04th - 05th05th - 06th06th
Day
Night
6th Sep 2025605 AMAQI
6th Sep 2025606 AMAQI
6th Sep 2025587 AMAQI
6th Sep 2025468 AMAQI
6th Sep 2025409 AMAQI
6th Sep 20254310 AMAQI
6th Sep 20254311 AMAQI
6th Sep 20254912 PMAQI
6th Sep 2025541 PMAQI
6th Sep 2025412 PMAQI
6th Sep 2025483 PMAQI
6th Sep 2025694 PMAQI
6th Sep 2025425 PMAQI
6th Sep 2025406 PMAQI
6th Sep 2025527 PMAQI
6th Sep 2025618 PMAQI
6th Sep 2025669 PMAQI
6th Sep 20256010 PMAQI
6th Sep 20256411 PMAQI
7th Sep 20256212 AMAQI
7th Sep 2025571 AMAQI
7th Sep 2025572 AMAQI
7th Sep 2025583 AMAQI
7th Sep 2025604 AMAQI

29°C28/30°C

7th Sep 2025575 AMAQI
7th Sep 2025586 AMAQI
7th Sep 2025607 AMAQI
7th Sep 2025588 AMAQI
7th Sep 2025609 AMAQI
7th Sep 20255610 AMAQI
7th Sep 20255711 AMAQI
7th Sep 20255812 PMAQI
7th Sep 2025681 PMAQI
7th Sep 2025542 PMAQI
7th Sep 2025783 PMAQI
7th Sep 2025814 PMAQI
7th Sep 2025745 PMAQI
7th Sep 2025636 PMAQI
7th Sep 2025617 PMAQI
7th Sep 2025628 PMAQI
7th Sep 2025639 PMAQI
7th Sep 20255710 PMAQI
7th Sep 20255411 PMAQI
8th Sep 20255512 AMAQI
8th Sep 2025581 AMAQI
8th Sep 2025582 AMAQI
8th Sep 2025593 AMAQI
8th Sep 2025614 AMAQI

29°C28/30°C

8th Sep 2025605 AMAQI
8th Sep 2025616 AMAQI
8th Sep 2025597 AMAQI
8th Sep 2025528 AMAQI
8th Sep 2025539 AMAQI
8th Sep 20254810 AMAQI
8th Sep 20254811 AMAQI
8th Sep 20254212 PMAQI
8th Sep 2025401 PMAQI
8th Sep 2025402 PMAQI
8th Sep 2025383 PMAQI
8th Sep 2025394 PMAQI
8th Sep 2025375 PMAQI
8th Sep 2025466 PMAQI
8th Sep 2025497 PMAQI
8th Sep 2025578 PMAQI
8th Sep 2025529 PMAQI
8th Sep 20255010 PMAQI
8th Sep 20255211 PMAQI
9th Sep 20255612 AMAQI
9th Sep 2025601 AMAQI
9th Sep 2025612 AMAQI
9th Sep 2025603 AMAQI
9th Sep 2025604 AMAQI

29°C28/30°C

9th Sep 2025585 AMAQI
9th Sep 2025586 AMAQI
9th Sep 2025587 AMAQI
9th Sep 2025408 AMAQI
9th Sep 2025529 AMAQI
9th Sep 20256210 AMAQI
9th Sep 20255911 AMAQI
9th Sep 20256012 PMAQI
9th Sep 2025601 PMAQI
9th Sep 2025622 PMAQI
9th Sep 2025553 PMAQI
9th Sep 2025564 PMAQI
9th Sep 2025505 PMAQI
9th Sep 2025436 PMAQI
9th Sep 2025447 PMAQI
9th Sep 2025518 PMAQI
9th Sep 2025519 PMAQI
9th Sep 20255010 PMAQI
9th Sep 20255311 PMAQI
10th Sep 20255912 AMAQI
10th Sep 2025601 AMAQI
10th Sep 2025602 AMAQI
10th Sep 2025603 AMAQI
10th Sep 2025604 AMAQI

28°C26/29°C

10th Sep 2025595 AMAQI
10th Sep 2025586 AMAQI
10th Sep 2025587 AMAQI
10th Sep 2025368 AMAQI
10th Sep 2025299 AMAQI
10th Sep 20253310 AMAQI
10th Sep 20253411 AMAQI
10th Sep 20254412 PMAQI
10th Sep 2025461 PMAQI
10th Sep 2025522 PMAQI
10th Sep 2025443 PMAQI
10th Sep 2025524 PMAQI
10th Sep 2025525 PMAQI
10th Sep 2025566 PMAQI
10th Sep 2025527 PMAQI
10th Sep 2025568 PMAQI
10th Sep 2025559 PMAQI
10th Sep 20255410 PMAQI
10th Sep 20255411 PMAQI
11th Sep 20255612 AMAQI
11th Sep 2025591 AMAQI
11th Sep 2025582 AMAQI
11th Sep 2025583 AMAQI
11th Sep 2025574 AMAQI

27°C26/28°C

11th Sep 2025575 AMAQI
11th Sep 2025566 AMAQI
11th Sep 2025567 AMAQI
11th Sep 2025558 AMAQI
11th Sep 2025559 AMAQI
11th Sep 20255410 AMAQI
11th Sep 20255611 AMAQI
11th Sep 20255512 PMAQI
11th Sep 2025541 PMAQI
11th Sep 2025582 PMAQI
11th Sep 2025573 PMAQI
11th Sep 2025544 PMAQI
11th Sep 2025595 PMAQI
11th Sep 2025566 PMAQI
11th Sep 2025497 PMAQI
11th Sep 2025528 PMAQI
11th Sep 2025529 PMAQI
11th Sep 20254510 PMAQI
11th Sep 20255011 PMAQI
12th Sep 20255512 AMAQI
12th Sep 2025581 AMAQI
12th Sep 2025572 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 2025508 AMAQI
12th Sep 2025499 AMAQI
12th Sep 20253610 AMAQI
12th Sep 20254211 AMAQI
12th Sep 20255412 PMAQI
12th Sep 2025541 PMAQI
12th Sep 2025482 PMAQI
12th Sep 2025463 PMAQI
12th Sep 2025424 PMAQI
12th Sep 2025465 PMAQI
12th Sep 2025476 PMAQI
12th Sep 2025487 PMAQI
12th Sep 2025588 PMAQI
12th Sep 2025609 PMAQI
12th Sep 20255710 PMAQI
12th Sep 20255411 PMAQI
13th Sep 20255512 AMAQI
13th Sep 2025571 AMAQI
13th Sep 2025572 AMAQI
13th Sep 2025563 AMAQI
13th Sep 2025534 AMAQI

28°C26/29°C

13th Sep 2025545 AMAQI
13th Sep 2025546 AMAQI
13th Sep 2025537 AMAQI
13th Sep 2025548 AMAQI
13th Sep 2025619 AMAQI
13th Sep 20255910 AMAQI
13th Sep 20257211 AMAQI
13th Sep 20258112 PMAQI
13th Sep 2025761 PMAQI
13th Sep 2025722 PMAQI
13th Sep 2025613 PMAQI
13th Sep 2025584 PMAQI
13th Sep 2025785 PMAQI
13th Sep 2025656 PMAQI
13th Sep 2025567 PMAQI
13th Sep 2025588 PMAQI
13th Sep 2025549 PMAQI
13th Sep 20254210 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 2025488 AMAQI
14th Sep 2025569 AMAQI
14th Sep 20254610 AMAQI
14th Sep 20255211 AMAQI
14th Sep 20254612 PMAQI
14th Sep 2025501 PMAQI
14th Sep 2025482 PMAQI
14th Sep 2025583 PMAQI
14th Sep 2025574 PMAQI
14th Sep 2025515 PMAQI
14th Sep 2025546 PMAQI
14th Sep 2025567 PMAQI
14th Sep 2025548 PMAQI
14th Sep 2025569 PMAQI
14th Sep 20255910 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 2025528 AMAQI
15th Sep 2025529 AMAQI
15th Sep 20255010 AMAQI
15th Sep 20255411 AMAQI
15th Sep 20255012 PMAQI
15th Sep 2025461 PMAQI
15th Sep 2025482 PMAQI
15th Sep 2025433 PMAQI
15th Sep 2025434 PMAQI
15th Sep 2025325 PMAQI
15th Sep 2025286 PMAQI
15th Sep 2025487 PMAQI
15th Sep 2025548 PMAQI
15th Sep 2025529 PMAQI
15th Sep 20256010 PMAQI
15th Sep 20255411 PMAQI
16th Sep 20254912 AMAQI
16th Sep 2025551 AMAQI
16th Sep 2025552 AMAQI
16th Sep 2025553 AMAQI
16th Sep 2025544 AMAQI

28°C27/29°C

16th Sep 2025555 AMAQI
16th Sep 2025556 AMAQI
16th Sep 2025557 AMAQI
16th Sep 2025368 AMAQI
16th Sep 2025269 AMAQI
16th Sep 20252810 AMAQI
16th Sep 20252711 AMAQI
16th Sep 20252812 PMAQI
16th Sep 2025271 PMAQI
16th Sep 2025252 PMAQI
16th Sep 2025243 PMAQI
16th Sep 2025254 PMAQI
16th Sep 2025395 PMAQI
16th Sep 2025376 PMAQI
16th Sep 2025467 PMAQI
16th Sep 2025508 PMAQI
16th Sep 2025499 PMAQI
16th Sep 20255010 PMAQI
16th Sep 20254711 PMAQI
17th Sep 20254812 AMAQI
17th Sep 2025561 AMAQI
17th Sep 2025552 AMAQI
17th Sep 2025543 AMAQI
17th Sep 2025524 AMAQI

28°C28/30°C

17th Sep 2025525 AMAQI
17th Sep 2025526 AMAQI
17th Sep 2025527 AMAQI
17th Sep 2025298 AMAQI
17th Sep 2025219 AMAQI
17th Sep 20252210 AMAQI
17th Sep 20252611 AMAQI
17th Sep 20254512 PMAQI
17th Sep 2025561 PMAQI
17th Sep 2025532 PMAQI
17th Sep 2025573 PMAQI
17th Sep 2025544 PMAQI
17th Sep 2025545 PMAQI
17th Sep 2025526 PMAQI
17th Sep 2025517 PMAQI
17th Sep 2025508 PMAQI
17th Sep 2025479 PMAQI
17th Sep 20254510 PMAQI
17th Sep 20254611 PMAQI
18th Sep 20254712 AMAQI
18th Sep 2025541 AMAQI
18th Sep 2025532 AMAQI
18th Sep 2025533 AMAQI
18th Sep 2025524 AMAQI

29°C28/30°C

18th Sep 2025525 AMAQI
18th Sep 2025526 AMAQI
18th Sep 2025527 AMAQI
18th Sep 2025428 AMAQI
18th Sep 2025389 AMAQI
18th Sep 20253410 AMAQI
18th Sep 20253711 AMAQI
18th Sep 20253612 PMAQI
18th Sep 2025341 PMAQI
18th Sep 2025302 PMAQI
18th Sep 2025273 PMAQI
18th Sep 2025284 PMAQI
18th Sep 2025295 PMAQI
18th Sep 2025296 PMAQI
18th Sep 2025397 PMAQI
18th Sep 2025458 PMAQI
18th Sep 2025429 PMAQI
18th Sep 20254210 PMAQI
18th Sep 20253911 PMAQI
19th Sep 20253812 AMAQI
19th Sep 2025531 AMAQI
19th Sep 2025532 AMAQI
19th Sep 2025523 AMAQI
19th Sep 2025524 AMAQI

27°C26/28°C

19th Sep 2025525 AMAQI
19th Sep 2025516 AMAQI
19th Sep 2025517 AMAQI
19th Sep 2025328 AMAQI
19th Sep 2025229 AMAQI
19th Sep 20252910 AMAQI
19th Sep 20252211 AMAQI
19th Sep 20252812 PMAQI
19th Sep 2025271 PMAQI
19th Sep 2025202 PMAQI
19th Sep 2025203 PMAQI
19th Sep 2025204 PMAQI
19th Sep 2025205 PMAQI
19th Sep 2025276 PMAQI
19th Sep 2025417 PMAQI
19th Sep 2025498 PMAQI
19th Sep 2025469 PMAQI
19th Sep 20254610 PMAQI
19th Sep 20253811 PMAQI
20th Sep 20254112 AMAQI
20th Sep 2025521 AMAQI
20th Sep 2025522 AMAQI
20th Sep 2025493 AMAQI
20th Sep 2025464 AMAQI

27°C26/28°C

20th Sep 2025485 AMAQI
20th Sep 2025466 AMAQI
20th Sep 2025467 AMAQI
20th Sep 2025388 AMAQI
20th Sep 2025549 AMAQI
20th Sep 20255610 AMAQI
20th Sep 20256111 AMAQI
20th Sep 20255912 PMAQI
20th Sep 2025611 PMAQI
20th Sep 2025552 PMAQI
20th Sep 2025573 PMAQI
20th Sep 2025384 PMAQI
20th Sep 2025235 PMAQI
20th Sep 2025266 PMAQI
20th Sep 2025327 PMAQI
20th Sep 2025388 PMAQI
20th Sep 2025409 PMAQI
20th Sep 20253510 PMAQI
20th Sep 20253411 PMAQI
21st Sep 20253812 AMAQI
21st Sep 2025371 AMAQI
21st Sep 2025502 AMAQI
21st Sep 2025513 AMAQI
21st Sep 2025524 AMAQI

26°C25/26°C

21st Sep 2025525 AMAQI
21st Sep 2025526 AMAQI
21st Sep 2025527 AMAQI
21st Sep 2025428 AMAQI
21st Sep 2025429 AMAQI
21st Sep 20253810 AMAQI
21st Sep 20253811 AMAQI
21st Sep 20253712 PMAQI
21st Sep 2025321 PMAQI
21st Sep 2025282 PMAQI
21st Sep 2025333 PMAQI
21st Sep 2025354 PMAQI
21st Sep 2025305 PMAQI
21st Sep 2025286 PMAQI
21st Sep 2025377 PMAQI
21st Sep 2025378 PMAQI
21st Sep 2025389 PMAQI
21st Sep 20253810 PMAQI
21st Sep 20254011 PMAQI
22nd Sep 20253812 AMAQI
22nd Sep 2025511 AMAQI
22nd Sep 2025502 AMAQI
22nd Sep 2025483 AMAQI
22nd Sep 2025474 AMAQI

25°C25/26°C

22nd Sep 2025485 AMAQI
22nd Sep 2025476 AMAQI
22nd Sep 2025467 AMAQI
22nd Sep 2025298 AMAQI
22nd Sep 2025199 AMAQI
22nd Sep 20252110 AMAQI
22nd Sep 20252111 AMAQI
22nd Sep 20252612 PMAQI
22nd Sep 2025291 PMAQI
22nd Sep 2025222 PMAQI
22nd Sep 2025203 PMAQI
22nd Sep 2025224 PMAQI
22nd Sep 2025235 PMAQI
22nd Sep 2025246 PMAQI
22nd Sep 2025327 PMAQI
22nd Sep 2025448 PMAQI
22nd Sep 2025469 PMAQI
22nd Sep 20254410 PMAQI
22nd Sep 20254311 PMAQI
23rd Sep 20254212 AMAQI
23rd Sep 2025501 AMAQI
23rd Sep 2025502 AMAQI
23rd Sep 2025473 AMAQI
23rd Sep 2025444 AMAQI

26°C25/28°C

23rd Sep 2025445 AMAQI
23rd Sep 2025436 AMAQI
23rd Sep 2025447 AMAQI
23rd Sep 2025288 AMAQI
23rd Sep 2025249 AMAQI
23rd Sep 20252310 AMAQI
23rd Sep 20252311 AMAQI
23rd Sep 20252112 PMAQI
23rd Sep 2025271 PMAQI
23rd Sep 2025192 PMAQI
23rd Sep 2025263 PMAQI
23rd Sep 2025294 PMAQI
23rd Sep 2025285 PMAQI
23rd Sep 2025296 PMAQI
23rd Sep 2025377 PMAQI
23rd Sep 2025408 PMAQI
23rd Sep 2025399 PMAQI
23rd Sep 20253810 PMAQI
23rd Sep 20253511 PMAQI
24th Sep 20253412 AMAQI
24th Sep 2025481 AMAQI
24th Sep 2025482 AMAQI
24th Sep 2025463 AMAQI
24th Sep 2025434 AMAQI

27°C26/28°C

24th Sep 2025435 AMAQI
24th Sep 2025436 AMAQI
24th Sep 2025437 AMAQI
24th Sep 2025288 AMAQI
24th Sep 2025289 AMAQI
24th Sep 20252810 AMAQI
24th Sep 20252611 AMAQI
24th Sep 20252912 PMAQI
24th Sep 2025281 PMAQI
24th Sep 2025222 PMAQI
24th Sep 2025243 PMAQI
24th Sep 2025224 PMAQI
24th Sep 2025305 PMAQI
24th Sep 2025306 PMAQI
24th Sep 2025367 PMAQI
24th Sep 2025408 PMAQI
24th Sep 2025389 PMAQI
24th Sep 20253910 PMAQI
24th Sep 20253611 PMAQI
25th Sep 20253612 AMAQI
25th Sep 2025461 AMAQI
25th Sep 2025472 AMAQI
25th Sep 2025433 AMAQI
25th Sep 2025414 AMAQI

27°C27/28°C

25th Sep 2025425 AMAQI
25th Sep 2025426 AMAQI
25th Sep 2025427 AMAQI
25th Sep 2025298 AMAQI
25th Sep 2025249 AMAQI
25th Sep 20252210 AMAQI
25th Sep 20252111 AMAQI
25th Sep 20252212 PMAQI
25th Sep 2025181 PMAQI
25th Sep 2025182 PMAQI
25th Sep 2025183 PMAQI
25th Sep 2025204 PMAQI
25th Sep 2025225 PMAQI
25th Sep 2025266 PMAQI
25th Sep 2025347 PMAQI
25th Sep 2025398 PMAQI
25th Sep 2025289 PMAQI
25th Sep 20252110 PMAQI
25th Sep 20251911 PMAQI
26th Sep 20251912 AMAQI
26th Sep 2025181 AMAQI
26th Sep 2025182 AMAQI
26th Sep 2025183 AMAQI
26th Sep 2025174 AMAQI

27°C27/28°C

26th Sep 2025175 AMAQI
26th Sep 2025156 AMAQI
26th Sep 2025157 AMAQI
26th Sep 2025168 AMAQI
26th Sep 2025149 AMAQI
26th Sep 20251410 AMAQI
26th Sep 20251411 AMAQI
26th Sep 20251812 PMAQI
26th Sep 2025221 PMAQI
26th Sep 2025212 PMAQI
26th Sep 2025233 PMAQI
26th Sep 2025234 PMAQI
26th Sep 2025245 PMAQI
26th Sep 2025246 PMAQI
26th Sep 2025287 PMAQI
26th Sep 2025368 PMAQI
26th Sep 2025269 PMAQI
26th Sep 20251910 PMAQI
26th Sep 20251811 PMAQI
27th Sep 20252212 AMAQI
27th Sep 2025251 AMAQI
27th Sep 2025192 AMAQI
27th Sep 2025183 AMAQI
27th Sep 2025194 AMAQI

27°C27/29°C

27th Sep 2025255 AMAQI
27th Sep 2025306 AMAQI
27th Sep 2025267 AMAQI
27th Sep 2025358 AMAQI
27th Sep 2025399 AMAQI
27th Sep 20253710 AMAQI
27th Sep 20253511 AMAQI
27th Sep 20253912 PMAQI
27th Sep 2025371 PMAQI
27th Sep 2025322 PMAQI
27th Sep 2025313 PMAQI
27th Sep 2025374 PMAQI
27th Sep 2025355 PMAQI
27th Sep 2025376 PMAQI
27th Sep 2025357 PMAQI
27th Sep 2025408 PMAQI
27th Sep 2025429 PMAQI
27th Sep 20253910 PMAQI
27th Sep 20253911 PMAQI
28th Sep 20253412 AMAQI
28th Sep 2025321 AMAQI
28th Sep 2025262 AMAQI
28th Sep 2025213 AMAQI
28th Sep 2025184 AMAQI

28°C27/29°C

28th Sep 2025175 AMAQI
28th Sep 2025186 AMAQI
28th Sep 2025227 AMAQI
28th Sep 2025228 AMAQI
28th Sep 2025229 AMAQI
28th Sep 20252010 AMAQI
28th Sep 20251811 AMAQI
28th Sep 20252512 PMAQI
28th Sep 2025321 PMAQI
28th Sep 2025292 PMAQI
28th Sep 2025303 PMAQI
28th Sep 2025284 PMAQI
28th Sep 2025265 PMAQI
28th Sep 2025256 PMAQI
28th Sep 2025287 PMAQI
28th Sep 2025288 PMAQI
28th Sep 2025289 PMAQI
28th Sep 20252810 PMAQI
28th Sep 20252811 PMAQI
29th Sep 20253012 AMAQI
29th Sep 2025381 AMAQI
29th Sep 2025372 AMAQI
29th Sep 2025223 AMAQI
29th Sep 2025224 AMAQI

28°C27/29°C

29th Sep 2025285 AMAQI
29th Sep 2025396 AMAQI
29th Sep 2025517 AMAQI
29th Sep 2025648 AMAQI
29th Sep 2025549 AMAQI
29th Sep 20255010 AMAQI
29th Sep 20254511 AMAQI
29th Sep 20254712 PMAQI
29th Sep 2025541 PMAQI
29th Sep 2025542 PMAQI
29th Sep 2025503 PMAQI
29th Sep 2025484 PMAQI
29th Sep 2025435 PMAQI
29th Sep 2025396 PMAQI
29th Sep 2025397 PMAQI
29th Sep 2025398 PMAQI
29th Sep 2025419 PMAQI
29th Sep 20253310 PMAQI
29th Sep 20253611 PMAQI
30th Sep 20254312 AMAQI
30th Sep 2025341 AMAQI
30th Sep 2025322 AMAQI
30th Sep 2025283 AMAQI
30th Sep 2025344 AMAQI

27°C26/28°C

30th Sep 2025275 AMAQI
30th Sep 2025276 AMAQI
30th Sep 2025257 AMAQI
30th Sep 2025368 AMAQI
30th Sep 2025419 AMAQI
30th Sep 20254510 AMAQI
30th Sep 20254811 AMAQI
30th Sep 20253212 PMAQI
30th Sep 2025341 PMAQI
30th Sep 2025372 PMAQI
30th Sep 2025363 PMAQI
30th Sep 2025334 PMAQI
30th Sep 2025395 PMAQI
30th Sep 2025396 PMAQI
30th Sep 2025307 PMAQI
30th Sep 2025348 PMAQI
30th Sep 2025389 PMAQI
30th Sep 20253610 PMAQI
30th Sep 20253211 PMAQI
1st Oct 20254012 AMAQI
1st Oct 2025481 AMAQI
1st Oct 2025442 AMAQI
1st Oct 2025513 AMAQI
1st Oct 2025514 AMAQI

26°C25/27°C

1st Oct 2025605 AMAQI
1st Oct 2025626 AMAQI
1st Oct 2025657 AMAQI
1st Oct 2025648 AMAQI
1st Oct 2025609 AMAQI
1st Oct 20255910 AMAQI
1st Oct 20254011 AMAQI
1st Oct 20253312 PMAQI
1st Oct 2025331 PMAQI
1st Oct 2025332 PMAQI
1st Oct 2025403 PMAQI
1st Oct 2025444 PMAQI
1st Oct 2025495 PMAQI
1st Oct 2025496 PMAQI
1st Oct 2025477 PMAQI
1st Oct 2025498 PMAQI
1st Oct 2025509 PMAQI
1st Oct 20254810 PMAQI
1st Oct 20255111 PMAQI
2nd Oct 20254712 AMAQI
2nd Oct 2025491 AMAQI
2nd Oct 2025452 AMAQI
2nd Oct 2025543 AMAQI
2nd Oct 2025564 AMAQI

26°C25/26°C

2nd Oct 2025555 AMAQI
2nd Oct 2025546 AMAQI
2nd Oct 2025547 AMAQI
2nd Oct 2025538 AMAQI
2nd Oct 2025549 AMAQI
2nd Oct 20254810 AMAQI
2nd Oct 20254511 AMAQI
2nd Oct 20254612 PMAQI
2nd Oct 2025491 PMAQI
2nd Oct 2025522 PMAQI
2nd Oct 2025553 PMAQI
2nd Oct 2025544 PMAQI
2nd Oct 2025545 PMAQI
2nd Oct 2025566 PMAQI
2nd Oct 2025557 PMAQI
2nd Oct 2025568 PMAQI
2nd Oct 2025569 PMAQI
2nd Oct 20255410 PMAQI
2nd Oct 20255311 PMAQI
3rd Oct 20255512 AMAQI
3rd Oct 2025481 AMAQI
3rd Oct 2025402 AMAQI
3rd Oct 2025403 AMAQI
3rd Oct 2025334 AMAQI

27°C26/28°C

3rd Oct 2025345 AMAQI
3rd Oct 2025326 AMAQI
3rd Oct 2025337 AMAQI
3rd Oct 2025338 AMAQI
3rd Oct 2025299 AMAQI
3rd Oct 20253010 AMAQI
3rd Oct 20253111 AMAQI
3rd Oct 20253212 PMAQI
3rd Oct 2025391 PMAQI
3rd Oct 2025482 PMAQI
3rd Oct 2025483 PMAQI
3rd Oct 2025484 PMAQI
3rd Oct 2025525 PMAQI
3rd Oct 2025536 PMAQI
3rd Oct 2025447 PMAQI
3rd Oct 2025558 PMAQI
3rd Oct 2025559 PMAQI
3rd Oct 20255410 PMAQI
3rd Oct 20255211 PMAQI
4th Oct 20255212 AMAQI
4th Oct 2025491 AMAQI
4th Oct 2025522 AMAQI
4th Oct 2025473 AMAQI
4th Oct 2025454 AMAQI

28°C27/29°C

4th Oct 2025465 AMAQI
4th Oct 2025446 AMAQI
4th Oct 2025547 AMAQI
4th Oct 2025558 AMAQI
4th Oct 2025539 AMAQI
4th Oct 20254810 AMAQI
4th Oct 20255011 AMAQI
4th Oct 20255612 PMAQI
4th Oct 2025561 PMAQI
4th Oct 2025512 PMAQI
4th Oct 2025443 PMAQI
4th Oct 2025424 PMAQI
4th Oct 2025525 PMAQI
4th Oct 2025606 PMAQI
4th Oct 2025597 PMAQI
4th Oct 2025488 PMAQI
4th Oct 2025439 PMAQI
4th Oct 20254210 PMAQI
4th Oct 20253911 PMAQI
5th Oct 20254412 AMAQI
5th Oct 2025501 AMAQI
5th Oct 2025442 AMAQI
5th Oct 2025383 AMAQI
5th Oct 2025384 AMAQI

27°C26/29°C

5th Oct 2025425 AMAQI
5th Oct 2025426 AMAQI
5th Oct 2025417 AMAQI
5th Oct 2025418 AMAQI
5th Oct 2025389 AMAQI
5th Oct 20253710 AMAQI
5th Oct 20254411 AMAQI
5th Oct 20254912 PMAQI
5th Oct 2025491 PMAQI
5th Oct 2025482 PMAQI
5th Oct 2025413 PMAQI
5th Oct 2025404 PMAQI
5th Oct 2025445 PMAQI
5th Oct 2025496 PMAQI
5th Oct 2025467 PMAQI
5th Oct 2025478 PMAQI
5th Oct 2025469 PMAQI
5th Oct 20254710 PMAQI
5th Oct 20254111 PMAQI
6th Oct 20253912 AMAQI
6th Oct 2025371 AMAQI
6th Oct 2025442 AMAQI
6th Oct 2025443 AMAQI
6th Oct 2025444 AMAQI

--°C/°C

6th Oct 2025405 AMAQI
5 AM
11 AM
5 PM
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 7 AM

47AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
8 AM - 11 AM

40AQI

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. 47), while the lowest AQI was between 8 AM to 11 AM (Avg. 40).
Night time
Avg. Highest Time
1 AM - 4 AM

48AQI

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

41AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 4 AM (Avg. 48), while the lowest AQI was between 6 PM to 6 PM (Avg. 41).

2025 Days Vs Air Quality

Dinghai Tanfeng, Zhoushan, Zhejiang, China

2025

28%

78

65%

182

5%

15

1%

3

Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)

Good
78 Days
Moderate
182 Days
Poor
15 Days
Unhealthy
3 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 28%

Health Risk Level:

Very high

In 2025, 28% of 278 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

Dinghai Tanfeng, 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
75AQI
2nd January 2025
70AQI
3rd January 2025
77AQI
4th January 2025
66AQI
5th January 2025
102AQI
6th January 2025
119AQI
7th January 2025
105AQI
8th January 2025
124AQI
9th January 2025
79AQI
10th January 2025
77AQI
11th January 2025
83AQI
12th January 2025
110AQI
13th January 2025
125AQI
14th January 2025
101AQI
15th January 2025
81AQI
16th January 2025
84AQI
17th January 2025
106AQI
18th January 2025
100AQI
19th January 2025
124AQI
20th January 2025
151AQI
21st January 2025
154AQI
22nd January 2025
96AQI
23rd January 2025
90AQI
24th January 2025
79AQI
25th January 2025
74AQI
26th January 2025
68AQI
27th January 2025
69AQI
28th January 2025
66AQI
29th January 2025
105AQI
30th January 2025
77AQI
31st January 2025
67AQI
1st February 2025
55AQI
2nd February 2025
73AQI
3rd February 2025
90AQI
4th February 2025
109AQI
5th February 2025
87AQI
6th February 2025
84AQI
7th February 2025
78AQI
8th February 2025
65AQI
9th February 2025
76AQI
10th February 2025
75AQI
11th February 2025
58AQI
12th February 2025
110AQI
13th February 2025
66AQI
14th February 2025
65AQI
15th February 2025
67AQI
16th February 2025
113AQI
17th February 2025
59AQI
18th February 2025
77AQI
19th February 2025
73AQI
20th February 2025
55AQI
21st February 2025
65AQI
22nd February 2025
64AQI
23rd February 2025
81AQI
24th February 2025
126AQI
25th February 2025
94AQI
26th February 2025
153AQI
27th February 2025
97AQI
28th February 2025
87AQI
1st March 2025
74AQI
2nd March 2025
71AQI
3rd March 2025
60AQI
4th March 2025
53AQI
5th March 2025
48AQI
6th March 2025
63AQI
7th March 2025
64AQI
8th March 2025
89AQI
9th March 2025
61AQI
10th March 2025
76AQI
11th March 2025
61AQI
12th March 2025
65AQI
13th March 2025
62AQI
14th March 2025
59AQI
15th March 2025
39AQI
16th March 2025
78AQI
17th March 2025
67AQI
18th March 2025
74AQI
19th March 2025
67AQI
20th March 2025
79AQI
21st March 2025
75AQI
22nd March 2025
88AQI
23rd March 2025
82AQI
24th March 2025
98AQI
25th March 2025
97AQI
26th March 2025
84AQI
27th March 2025
90AQI
28th March 2025
68AQI
29th March 2025
83AQI
30th March 2025
48AQI
31st March 2025
61AQI
1st April 2025
66AQI
2nd April 2025
79AQI
3rd April 2025
70AQI
4th April 2025
60AQI
5th April 2025
85AQI
6th April 2025
89AQI
7th April 2025
84AQI
8th April 2025
85AQI
9th April 2025
71AQI
10th April 2025
91AQI
11th April 2025
67AQI
12th April 2025
138AQI
13th April 2025
83AQI
14th April 2025
85AQI
15th April 2025
74AQI
16th April 2025
73AQI
17th April 2025
85AQI
18th April 2025
69AQI
19th April 2025
64AQI
20th April 2025
72AQI
21st April 2025
55AQI
22nd April 2025
69AQI
23rd April 2025
64AQI
24th April 2025
86AQI
25th April 2025
63AQI
26th April 2025
56AQI
27th April 2025
54AQI
28th April 2025
57AQI
29th April 2025
63AQI
30th April 2025
53AQI
1st May 2025
73AQI
2nd May 2025
66AQI
3rd May 2025
71AQI
4th May 2025
48AQI
5th May 2025
55AQI
6th May 2025
81AQI
7th May 2025
71AQI
8th May 2025
67AQI
9th May 2025
60AQI
10th May 2025
66AQI
11th May 2025
64AQI
12th May 2025
70AQI
13th May 2025
64AQI
14th May 2025
57AQI
15th May 2025
54AQI
16th May 2025
59AQI
17th May 2025
70AQI
18th May 2025
69AQI
19th May 2025
58AQI
20th May 2025
62AQI
21st May 2025
45AQI
22nd May 2025
56AQI
23rd May 2025
39AQI
24th May 2025
67AQI
25th May 2025
66AQI
26th May 2025
63AQI
27th May 2025
61AQI
28th May 2025
58AQI
29th May 2025
63AQI
30th May 2025
79AQI
31st May 2025
67AQI
1st June 2025
50AQI
2nd June 2025
53AQI
3rd June 2025
56AQI
4th June 2025
66AQI
5th June 2025
56AQI
6th June 2025
55AQI
7th June 2025
59AQI
8th June 2025
51AQI
9th June 2025
58AQI
10th June 2025
40AQI
11th June 2025
44AQI
12th June 2025
44AQI
13th June 2025
36AQI
14th June 2025
51AQI
15th June 2025
37AQI
16th June 2025
43AQI
17th June 2025
59AQI
18th June 2025
55AQI
19th June 2025
50AQI
20th June 2025
43AQI
21st June 2025
55AQI
22nd June 2025
57AQI
23rd June 2025
52AQI
24th June 2025
52AQI
25th June 2025
57AQI
26th June 2025
57AQI
27th June 2025
57AQI
28th June 2025
57AQI
29th June 2025
43AQI
30th June 2025
42AQI
1st July 2025
40AQI
2nd July 2025
45AQI
3rd July 2025
48AQI
4th July 2025
51AQI
5th July 2025
45AQI
6th July 2025
37AQI
7th July 2025
37AQI
8th July 2025
37AQI
9th July 2025
36AQI
10th July 2025
50AQI
11th July 2025
39AQI
12th July 2025
38AQI
13th July 2025
42AQI
14th July 2025
62AQI
15th July 2025
60AQI
16th July 2025
60AQI
17th July 2025
59AQI
18th July 2025
51AQI
19th July 2025
44AQI
20th July 2025
42AQI
21st July 2025
37AQI
22nd July 2025
36AQI
23rd July 2025
34AQI
24th July 2025
37AQI
25th July 2025
35AQI
26th July 2025
32AQI
27th July 2025
31AQI
28th July 2025
32AQI
29th July 2025
34AQI
30th July 2025
28AQI
31st July 2025
48AQI
1st August 2025
54AQI
2nd August 2025
58AQI
3rd August 2025
59AQI
4th August 2025
60AQI
5th August 2025
51AQI
6th August 2025
51AQI
7th August 2025
60AQI
8th August 2025
62AQI
9th August 2025
67AQI
10th August 2025
65AQI
11th August 2025
61AQI
12th August 2025
59AQI
13th August 2025
50AQI
14th August 2025
42AQI
15th August 2025
39AQI
16th August 2025
43AQI
17th August 2025
50AQI
18th August 2025
45AQI
19th August 2025
49AQI
20th August 2025
51AQI
21st August 2025
56AQI
22nd August 2025
55AQI
23rd August 2025
55AQI
24th August 2025
48AQI
25th August 2025
45AQI
26th August 2025
50AQI
27th August 2025
46AQI
28th August 2025
42AQI
29th August 2025
44AQI
30th August 2025
44AQI
31st August 2025
46AQI
1st September 2025
55AQI
2nd September 2025
52AQI
3rd September 2025
54AQI
4th September 2025
44AQI
5th September 2025
56AQI
6th September 2025
54AQI
7th September 2025
61AQI
8th September 2025
51AQI
9th September 2025
55AQI
10th September 2025
52AQI
11th September 2025
55AQI
12th September 2025
52AQI
13th September 2025
59AQI
14th September 2025
55AQI
15th September 2025
50AQI
16th September 2025
43AQI
17th September 2025
48AQI
18th September 2025
42AQI
19th September 2025
39AQI
20th September 2025
44AQI
21st September 2025
40AQI
22nd September 2025
36AQI
23rd September 2025
36AQI
24th September 2025
36AQI
25th September 2025
30AQI
26th September 2025
20AQI
27th September 2025
32AQI
28th September 2025
25AQI
29th September 2025
40AQI
30th September 2025
35AQI
1st October 2025
49AQI
2nd October 2025
52AQI
3rd October 2025
43AQI
4th October 2025
49AQI
5th October 2025
43AQI
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

82AQI

70AQI

74AQI

63AQI

51AQI

42AQI

52AQI

45AQI

47AQI

No. of days

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

202563AQI

19
10
2
23
4
1
3
28
29
1
3
28
11
19
25
6
15
16
17
13
4
1
78
182
15
3

Highest AQI recorded in

January

94AQI

Lowest AQI recorded in

July

42AQI

202460AQI

4
9
10
8
11
11
5
2
2
25
4
10
19
1
18
13
18
12
22
9
12
19
23
7
17
14
16
14
25
6
153
177
26
10

Highest AQI recorded in

January

103AQI

Lowest AQI recorded in

July

42AQI

202360AQI

7
13
10
1
13
14
1
5
26
5
21
4
13
17
1
14
16
20
11
19
12
18
12
21
9
1
13
9
4
3
20
6
2
151
180
27
3

Highest AQI recorded in

December

89AQI

Lowest AQI recorded in

September

44AQI

202253AQI

15
10
6
7
13
1
13
17
1
12
5
15
15
1
19
11
7
14
1
21
8
26
5
18
12
9
18
4
163
128
13

Highest AQI recorded in

December

71AQI

Lowest AQI recorded in

August

36AQI

202155AQI

4
18
8
1
7
20
1
6
23
1
1
11
19
12
19
21
9
28
3
21
7
18
12
28
3
10
20
8
20
3
174
173
13
2

Highest AQI recorded in

January

83AQI

Lowest AQI recorded in

October

38AQI

202053AQI

9
3
1
1
18
2
4
14
14
16
13
18
20
11
22
8
25
6
19
10
1
12
15
2
2
139
119
6
2

Highest AQI recorded in

April

75AQI

Lowest AQI recorded in

October

42AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
63AQI
Least Polluted Year Recorded
2022(Avg.)
53AQI

Dinghai Tanfeng's annual 2025 AQI (63) shows an average percentage change of 12.7% (worsened AQI) compared to previous years: 2020 (53), 2021 (55), 2022 (53), 2023 (60), 2024 (60).