Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Chunan Environmental Protection Building, Baisha, Zhejiang, China Historical Air Quality Analysis

Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!

Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

August Air Quality Analysis

Chunan Environmental Protection Building, Baisha, Zhejiang, China

2021
2022
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
27th Aug 2024
83AQI
Lowest AQI recorded on
13th Aug 2021
17AQI

Same Day Analysis (3rd August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 56 of Moderate air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025

Chunan Environmental Protection Building, Baisha, Zhejiang, China

AQI
Day
Night
.

5 AM3rd Aug 2025

7 PM

4 AM4th Aug 2025

Day time
Avg. Highest Time
9AM3rd Aug

69AQI

Avg. Lowest Time
2PM3rd Aug

56AQI

Night time
Avg. Highest Time
9PM3rd Aug

59AQI

Avg. Lowest Time
2AM4th Aug

55AQI

In the last 24 hours,

Chunan Environmental Protection Building's AQI reached its highest point of 69 at 9 AM during the Day, while the lowest point, 55, was recorded at 2 AM during the Night between 3rd Aug and 4th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Chunan Environmental Protection Building, Baisha, Zhejiang, China

JulAug
05th - 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 - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th
Day
Night
5th Jul 2025535 AMAQI
5th Jul 2025536 AMAQI
5th Jul 2025537 AMAQI
5th Jul 2025588 AMAQI
5th Jul 2025559 AMAQI
5th Jul 20256410 AMAQI
5th Jul 20256611 AMAQI
5th Jul 20256212 PMAQI
5th Jul 2025561 PMAQI
5th Jul 2025552 PMAQI
5th Jul 2025523 PMAQI
5th Jul 2025544 PMAQI
5th Jul 2025545 PMAQI
5th Jul 2025526 PMAQI
5th Jul 2025537 PMAQI
5th Jul 2025548 PMAQI
5th Jul 2025589 PMAQI
5th Jul 20255510 PMAQI
5th Jul 20255811 PMAQI
6th Jul 20255912 AMAQI
6th Jul 2025541 AMAQI
6th Jul 2025542 AMAQI
6th Jul 2025543 AMAQI
6th Jul 2025554 AMAQI

29°C22/36°C

6th Jul 2025555 AMAQI
6th Jul 2025566 AMAQI
6th Jul 2025557 AMAQI
6th Jul 2025568 AMAQI
6th Jul 2025609 AMAQI
6th Jul 20255510 AMAQI
6th Jul 20255311 AMAQI
6th Jul 20255412 PMAQI
6th Jul 2025511 PMAQI
6th Jul 2025442 PMAQI
6th Jul 2025423 PMAQI
6th Jul 2025424 PMAQI
6th Jul 2025465 PMAQI
6th Jul 2025386 PMAQI
6th Jul 2025427 PMAQI
6th Jul 2025528 PMAQI
6th Jul 2025549 PMAQI
6th Jul 20255410 PMAQI
6th Jul 20255411 PMAQI
7th Jul 20255412 AMAQI
7th Jul 2025551 AMAQI
7th Jul 2025552 AMAQI
7th Jul 2025553 AMAQI
7th Jul 2025564 AMAQI

29°C23/36°C

7th Jul 2025555 AMAQI
7th Jul 2025566 AMAQI
7th Jul 2025557 AMAQI
7th Jul 2025548 AMAQI
7th Jul 2025509 AMAQI
7th Jul 20254410 AMAQI
7th Jul 20254811 AMAQI
7th Jul 20254412 PMAQI
7th Jul 2025481 PMAQI
7th Jul 2025382 PMAQI
7th Jul 2025363 PMAQI
7th Jul 2025384 PMAQI
7th Jul 2025485 PMAQI
7th Jul 2025546 PMAQI
7th Jul 2025497 PMAQI
7th Jul 2025548 PMAQI
7th Jul 2025559 PMAQI
7th Jul 20255510 PMAQI
7th Jul 20255411 PMAQI
8th Jul 20255512 AMAQI
8th Jul 2025561 AMAQI
8th Jul 2025562 AMAQI
8th Jul 2025553 AMAQI
8th Jul 2025544 AMAQI

28°C22/36°C

8th Jul 2025545 AMAQI
8th Jul 2025546 AMAQI
8th Jul 2025547 AMAQI
8th Jul 2025508 AMAQI
8th Jul 2025449 AMAQI
8th Jul 20255110 AMAQI
8th Jul 20254611 AMAQI
8th Jul 20255312 PMAQI
8th Jul 2025531 PMAQI
8th Jul 2025532 PMAQI
8th Jul 2025513 PMAQI
8th Jul 2025504 PMAQI
8th Jul 2025495 PMAQI
8th Jul 2025446 PMAQI
8th Jul 2025477 PMAQI
8th Jul 2025518 PMAQI
8th Jul 2025499 PMAQI
8th Jul 20254910 PMAQI
8th Jul 20254911 PMAQI
9th Jul 20254812 AMAQI
9th Jul 2025551 AMAQI
9th Jul 2025552 AMAQI
9th Jul 2025553 AMAQI
9th Jul 2025544 AMAQI

24°C22/29°C

9th Jul 2025545 AMAQI
9th Jul 2025546 AMAQI
9th Jul 2025547 AMAQI
9th Jul 2025418 AMAQI
9th Jul 2025389 AMAQI
9th Jul 20253610 AMAQI
9th Jul 20253811 AMAQI
9th Jul 20254412 PMAQI
9th Jul 2025451 PMAQI
9th Jul 2025482 PMAQI
9th Jul 2025433 PMAQI
9th Jul 2025394 PMAQI
9th Jul 2025385 PMAQI
9th Jul 2025476 PMAQI
9th Jul 2025527 PMAQI
9th Jul 2025538 PMAQI
9th Jul 2025519 PMAQI
9th Jul 20254810 PMAQI
9th Jul 20255211 PMAQI
10th Jul 20255212 AMAQI
10th Jul 2025551 AMAQI
10th Jul 2025552 AMAQI
10th Jul 2025543 AMAQI
10th Jul 2025534 AMAQI

26°C23/31°C

10th Jul 2025535 AMAQI
10th Jul 2025536 AMAQI
10th Jul 2025537 AMAQI
10th Jul 2025388 AMAQI
10th Jul 2025319 AMAQI
10th Jul 20253010 AMAQI
10th Jul 20253111 AMAQI
10th Jul 20253812 PMAQI
10th Jul 2025361 PMAQI
10th Jul 2025452 PMAQI
10th Jul 2025513 PMAQI
10th Jul 2025544 PMAQI
10th Jul 2025575 PMAQI
10th Jul 2025566 PMAQI
10th Jul 2025597 PMAQI
10th Jul 2025568 PMAQI
10th Jul 2025579 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255811 PMAQI
11th Jul 20256012 AMAQI
11th Jul 2025541 AMAQI
11th Jul 2025552 AMAQI
11th Jul 2025543 AMAQI
11th Jul 2025534 AMAQI

26°C22/32°C

11th Jul 2025545 AMAQI
11th Jul 2025536 AMAQI
11th Jul 2025537 AMAQI
11th Jul 2025608 AMAQI
11th Jul 2025589 AMAQI
11th Jul 20255410 AMAQI
11th Jul 20255411 AMAQI
11th Jul 20254712 PMAQI
11th Jul 2025381 PMAQI
11th Jul 2025422 PMAQI
11th Jul 2025393 PMAQI
11th Jul 2025284 PMAQI
11th Jul 2025345 PMAQI
11th Jul 2025316 PMAQI
11th Jul 2025367 PMAQI
11th Jul 2025458 PMAQI
11th Jul 2025489 PMAQI
11th Jul 20254610 PMAQI
11th Jul 20254911 PMAQI
12th Jul 20254612 AMAQI
12th Jul 2025551 AMAQI
12th Jul 2025562 AMAQI
12th Jul 2025553 AMAQI
12th Jul 2025554 AMAQI

26°C21/31°C

12th Jul 2025555 AMAQI
12th Jul 2025556 AMAQI
12th Jul 2025557 AMAQI
12th Jul 2025508 AMAQI
12th Jul 2025409 AMAQI
12th Jul 20255210 AMAQI
12th Jul 20254511 AMAQI
12th Jul 20253812 PMAQI
12th Jul 2025391 PMAQI
12th Jul 2025382 PMAQI
12th Jul 2025383 PMAQI
12th Jul 2025384 PMAQI
12th Jul 2025405 PMAQI
12th Jul 2025416 PMAQI
12th Jul 2025427 PMAQI
12th Jul 2025428 PMAQI
12th Jul 2025439 PMAQI
12th Jul 20254510 PMAQI
12th Jul 20254211 PMAQI
13th Jul 20254412 AMAQI
13th Jul 2025551 AMAQI
13th Jul 2025552 AMAQI
13th Jul 2025543 AMAQI
13th Jul 2025544 AMAQI

26°C23/31°C

13th Jul 2025535 AMAQI
13th Jul 2025536 AMAQI
13th Jul 2025537 AMAQI
13th Jul 2025498 AMAQI
13th Jul 2025439 AMAQI
13th Jul 20255310 AMAQI
13th Jul 20255411 AMAQI
13th Jul 20255412 PMAQI
13th Jul 2025521 PMAQI
13th Jul 2025532 PMAQI
13th Jul 2025503 PMAQI
13th Jul 2025464 PMAQI
13th Jul 2025425 PMAQI
13th Jul 2025446 PMAQI
13th Jul 2025547 PMAQI
13th Jul 2025518 PMAQI
13th Jul 2025529 PMAQI
13th Jul 20255110 PMAQI
13th Jul 20255211 PMAQI
14th Jul 20255412 AMAQI
14th Jul 2025541 AMAQI
14th Jul 2025552 AMAQI
14th Jul 2025543 AMAQI
14th Jul 2025534 AMAQI

26°C23/32°C

14th Jul 2025535 AMAQI
14th Jul 2025536 AMAQI
14th Jul 2025537 AMAQI
14th Jul 2025578 AMAQI
14th Jul 2025549 AMAQI
14th Jul 20255410 AMAQI
14th Jul 20255811 AMAQI
14th Jul 20255712 PMAQI
14th Jul 2025591 PMAQI
14th Jul 2025572 PMAQI
14th Jul 2025463 PMAQI
14th Jul 2025504 PMAQI
14th Jul 2025505 PMAQI
14th Jul 2025526 PMAQI
14th Jul 2025557 PMAQI
14th Jul 2025548 PMAQI
14th Jul 2025569 PMAQI
14th Jul 20255410 PMAQI
14th Jul 20255411 PMAQI
15th Jul 20255412 AMAQI
15th Jul 2025551 AMAQI
15th Jul 2025552 AMAQI
15th Jul 2025553 AMAQI
15th Jul 2025554 AMAQI

27°C22/33°C

15th Jul 2025565 AMAQI
15th Jul 2025556 AMAQI
15th Jul 2025557 AMAQI
15th Jul 2025618 AMAQI
15th Jul 2025659 AMAQI
15th Jul 20256710 AMAQI
15th Jul 20256411 AMAQI
15th Jul 20256312 PMAQI
15th Jul 2025611 PMAQI
15th Jul 2025572 PMAQI
15th Jul 2025543 PMAQI
15th Jul 2025584 PMAQI
15th Jul 2025635 PMAQI
15th Jul 2025646 PMAQI
15th Jul 2025627 PMAQI
15th Jul 2025598 PMAQI
15th Jul 2025609 PMAQI
15th Jul 20256210 PMAQI
15th Jul 20256411 PMAQI
16th Jul 20256512 AMAQI
16th Jul 2025561 AMAQI
16th Jul 2025562 AMAQI
16th Jul 2025563 AMAQI
16th Jul 2025574 AMAQI

28°C22/35°C

16th Jul 2025575 AMAQI
16th Jul 2025586 AMAQI
16th Jul 2025587 AMAQI
16th Jul 2025698 AMAQI
16th Jul 2025739 AMAQI
16th Jul 20257310 AMAQI
16th Jul 20257011 AMAQI
16th Jul 20256312 PMAQI
16th Jul 2025611 PMAQI
16th Jul 2025682 PMAQI
16th Jul 2025623 PMAQI
16th Jul 2025664 PMAQI
16th Jul 2025685 PMAQI
16th Jul 2025646 PMAQI
16th Jul 2025667 PMAQI
16th Jul 2025628 PMAQI
16th Jul 2025649 PMAQI
16th Jul 20256610 PMAQI
16th Jul 20256411 PMAQI
17th Jul 20256212 AMAQI
17th Jul 2025581 AMAQI
17th Jul 2025582 AMAQI
17th Jul 2025593 AMAQI
17th Jul 2025604 AMAQI

29°C24/35°C

17th Jul 2025615 AMAQI
17th Jul 2025606 AMAQI
17th Jul 2025607 AMAQI
17th Jul 2025608 AMAQI
17th Jul 2025609 AMAQI
17th Jul 20256110 AMAQI
17th Jul 20256211 AMAQI
17th Jul 20255912 PMAQI
17th Jul 2025601 PMAQI
17th Jul 2025572 PMAQI
17th Jul 2025583 PMAQI
17th Jul 2025584 PMAQI
17th Jul 2025535 PMAQI
17th Jul 2025516 PMAQI
17th Jul 2025537 PMAQI
17th Jul 2025568 PMAQI
17th Jul 2025589 PMAQI
17th Jul 20255810 PMAQI
17th Jul 20255411 PMAQI
18th Jul 20255612 AMAQI
18th Jul 2025591 AMAQI
18th Jul 2025602 AMAQI
18th Jul 2025603 AMAQI
18th Jul 2025624 AMAQI

28°C24/36°C

18th Jul 2025615 AMAQI
18th Jul 2025626 AMAQI
18th Jul 2025627 AMAQI
18th Jul 2025598 AMAQI
18th Jul 2025639 AMAQI
18th Jul 20256210 AMAQI
18th Jul 20255811 AMAQI
18th Jul 20255912 PMAQI
18th Jul 2025581 PMAQI
18th Jul 2025622 PMAQI
18th Jul 2025613 PMAQI
18th Jul 2025594 PMAQI
18th Jul 2025555 PMAQI
18th Jul 2025556 PMAQI
18th Jul 2025577 PMAQI
18th Jul 2025608 PMAQI
18th Jul 2025609 PMAQI
18th Jul 20255910 PMAQI
18th Jul 20255711 PMAQI
19th Jul 20255912 AMAQI
19th Jul 2025601 AMAQI
19th Jul 2025602 AMAQI
19th Jul 2025603 AMAQI
19th Jul 2025614 AMAQI

27°C22/34°C

19th Jul 2025605 AMAQI
19th Jul 2025606 AMAQI
19th Jul 2025607 AMAQI
19th Jul 2025518 AMAQI
19th Jul 2025509 AMAQI
19th Jul 20254010 AMAQI
19th Jul 20252911 AMAQI
19th Jul 20254012 PMAQI
19th Jul 2025301 PMAQI
19th Jul 2025292 PMAQI
19th Jul 2025253 PMAQI
19th Jul 2025234 PMAQI
19th Jul 2025305 PMAQI
19th Jul 2025326 PMAQI
19th Jul 2025387 PMAQI
19th Jul 2025538 PMAQI
19th Jul 2025549 PMAQI
19th Jul 20255410 PMAQI
19th Jul 20255411 PMAQI
20th Jul 20255512 AMAQI
20th Jul 2025611 AMAQI
20th Jul 2025612 AMAQI
20th Jul 2025603 AMAQI
20th Jul 2025574 AMAQI

27°C22/32°C

20th Jul 2025585 AMAQI
20th Jul 2025586 AMAQI
20th Jul 2025587 AMAQI
20th Jul 2025448 AMAQI
20th Jul 2025249 AMAQI
20th Jul 20252810 AMAQI
20th Jul 20253011 AMAQI
20th Jul 20253112 PMAQI
20th Jul 2025291 PMAQI
20th Jul 2025272 PMAQI
20th Jul 2025253 PMAQI
20th Jul 2025264 PMAQI
20th Jul 2025265 PMAQI
20th Jul 2025276 PMAQI
20th Jul 2025347 PMAQI
20th Jul 2025488 PMAQI
20th Jul 2025469 PMAQI
20th Jul 20254710 PMAQI
20th Jul 20254811 PMAQI
21st Jul 20254812 AMAQI
21st Jul 2025571 AMAQI
21st Jul 2025582 AMAQI
21st Jul 2025563 AMAQI
21st Jul 2025544 AMAQI

28°C24/33°C

21st Jul 2025545 AMAQI
21st Jul 2025546 AMAQI
21st Jul 2025547 AMAQI
21st Jul 2025298 AMAQI
21st Jul 2025209 AMAQI
21st Jul 20251910 AMAQI
21st Jul 20252111 AMAQI
21st Jul 20252212 PMAQI
21st Jul 2025241 PMAQI
21st Jul 2025222 PMAQI
21st Jul 2025213 PMAQI
21st Jul 2025224 PMAQI
21st Jul 2025205 PMAQI
21st Jul 2025196 PMAQI
21st Jul 2025307 PMAQI
21st Jul 2025468 PMAQI
21st Jul 2025489 PMAQI
21st Jul 20254610 PMAQI
21st Jul 20254711 PMAQI
22nd Jul 20254512 AMAQI
22nd Jul 2025551 AMAQI
22nd Jul 2025562 AMAQI
22nd Jul 2025543 AMAQI
22nd Jul 2025514 AMAQI

27°C23/32°C

22nd Jul 2025505 AMAQI
22nd Jul 2025516 AMAQI
22nd Jul 2025517 AMAQI
22nd Jul 2025308 AMAQI
22nd Jul 2025239 AMAQI
22nd Jul 20252510 AMAQI
22nd Jul 20252411 AMAQI
22nd Jul 20252212 PMAQI
22nd Jul 2025261 PMAQI
22nd Jul 2025282 PMAQI
22nd Jul 2025293 PMAQI
22nd Jul 2025294 PMAQI
22nd Jul 2025315 PMAQI
22nd Jul 2025306 PMAQI
22nd Jul 2025427 PMAQI
22nd Jul 2025528 PMAQI
22nd Jul 2025519 PMAQI
22nd Jul 20255210 PMAQI
22nd Jul 20255111 PMAQI
23rd Jul 20255112 AMAQI
23rd Jul 2025531 AMAQI
23rd Jul 2025522 AMAQI
23rd Jul 2025513 AMAQI
23rd Jul 2025504 AMAQI

25°C22/28°C

23rd Jul 2025505 AMAQI
23rd Jul 2025506 AMAQI
23rd Jul 2025507 AMAQI
23rd Jul 2025348 AMAQI
23rd Jul 2025289 AMAQI
23rd Jul 20252910 AMAQI
23rd Jul 20252911 AMAQI
23rd Jul 20252812 PMAQI
23rd Jul 2025301 PMAQI
23rd Jul 2025292 PMAQI
23rd Jul 2025323 PMAQI
23rd Jul 2025334 PMAQI
23rd Jul 2025305 PMAQI
23rd Jul 2025336 PMAQI
23rd Jul 2025377 PMAQI
23rd Jul 2025428 PMAQI
23rd Jul 2025439 PMAQI
23rd Jul 20254410 PMAQI
23rd Jul 20254111 PMAQI
24th Jul 20254612 AMAQI
24th Jul 2025461 AMAQI
24th Jul 2025492 AMAQI
24th Jul 2025513 AMAQI
24th Jul 2025504 AMAQI

27°C21/33°C

24th Jul 2025505 AMAQI
24th Jul 2025516 AMAQI
24th Jul 2025507 AMAQI
24th Jul 2025418 AMAQI
24th Jul 2025379 AMAQI
24th Jul 20253510 AMAQI
24th Jul 20253411 AMAQI
24th Jul 20253412 PMAQI
24th Jul 2025331 PMAQI
24th Jul 2025322 PMAQI
24th Jul 2025283 PMAQI
24th Jul 2025284 PMAQI
24th Jul 2025315 PMAQI
24th Jul 2025306 PMAQI
24th Jul 2025367 PMAQI
24th Jul 2025448 PMAQI
24th Jul 2025469 PMAQI
24th Jul 20254810 PMAQI
24th Jul 20254811 PMAQI
25th Jul 20255012 AMAQI
25th Jul 2025511 AMAQI
25th Jul 2025512 AMAQI
25th Jul 2025503 AMAQI
25th Jul 2025484 AMAQI

26°C21/35°C

25th Jul 2025475 AMAQI
25th Jul 2025486 AMAQI
25th Jul 2025477 AMAQI
25th Jul 2025508 AMAQI
25th Jul 2025529 AMAQI
25th Jul 20254810 AMAQI
25th Jul 20254211 AMAQI
25th Jul 20254212 PMAQI
25th Jul 2025441 PMAQI
25th Jul 2025442 PMAQI
25th Jul 2025373 PMAQI
25th Jul 2025324 PMAQI
25th Jul 2025245 PMAQI
25th Jul 2025266 PMAQI
25th Jul 2025357 PMAQI
25th Jul 2025448 PMAQI
25th Jul 2025449 PMAQI
25th Jul 20256210 PMAQI
25th Jul 20255411 PMAQI
26th Jul 20255012 AMAQI
26th Jul 2025491 AMAQI
26th Jul 2025482 AMAQI
26th Jul 2025503 AMAQI
26th Jul 2025504 AMAQI

26°C22/31°C

26th Jul 2025505 AMAQI
26th Jul 2025506 AMAQI
26th Jul 2025507 AMAQI
26th Jul 2025348 AMAQI
26th Jul 2025259 AMAQI
26th Jul 20252210 AMAQI
26th Jul 20252211 AMAQI
26th Jul 20252812 PMAQI
26th Jul 2025261 PMAQI
26th Jul 2025262 PMAQI
26th Jul 2025263 PMAQI
26th Jul 2025304 PMAQI
26th Jul 2025315 PMAQI
26th Jul 2025306 PMAQI
26th Jul 2025327 PMAQI
26th Jul 2025378 PMAQI
26th Jul 2025419 PMAQI
26th Jul 20254110 PMAQI
26th Jul 20254511 PMAQI
27th Jul 20254812 AMAQI
27th Jul 2025471 AMAQI
27th Jul 2025482 AMAQI
27th Jul 2025483 AMAQI
27th Jul 2025474 AMAQI

26°C24/31°C

27th Jul 2025465 AMAQI
27th Jul 2025466 AMAQI
27th Jul 2025467 AMAQI
27th Jul 2025438 AMAQI
27th Jul 2025449 AMAQI
27th Jul 20254810 AMAQI
27th Jul 20254311 AMAQI
27th Jul 20253812 PMAQI
27th Jul 2025341 PMAQI
27th Jul 2025382 PMAQI
27th Jul 2025373 PMAQI
27th Jul 2025384 PMAQI
27th Jul 2025375 PMAQI
27th Jul 2025446 PMAQI
27th Jul 2025497 PMAQI
27th Jul 2025428 PMAQI
27th Jul 2025409 PMAQI
27th Jul 20253910 PMAQI
27th Jul 20254011 PMAQI
28th Jul 20254012 AMAQI
28th Jul 2025481 AMAQI
28th Jul 2025472 AMAQI
28th Jul 2025483 AMAQI
28th Jul 2025464 AMAQI

27°C23/33°C

28th Jul 2025455 AMAQI
28th Jul 2025476 AMAQI
28th Jul 2025447 AMAQI
28th Jul 2025378 AMAQI
28th Jul 2025429 AMAQI
28th Jul 20254010 AMAQI
28th Jul 20253811 AMAQI
28th Jul 20254512 PMAQI
28th Jul 2025461 PMAQI
28th Jul 2025332 PMAQI
28th Jul 2025393 PMAQI
28th Jul 2025364 PMAQI
28th Jul 2025325 PMAQI
28th Jul 2025336 PMAQI
28th Jul 2025337 PMAQI
28th Jul 2025388 PMAQI
28th Jul 2025349 PMAQI
28th Jul 20253410 PMAQI
28th Jul 20253811 PMAQI
29th Jul 20254212 AMAQI
29th Jul 2025471 AMAQI
29th Jul 2025462 AMAQI
29th Jul 2025463 AMAQI
29th Jul 2025454 AMAQI

26°C23/31°C

29th Jul 2025445 AMAQI
29th Jul 2025456 AMAQI
29th Jul 2025447 AMAQI
29th Jul 2025408 AMAQI
29th Jul 2025429 AMAQI
29th Jul 20254810 AMAQI
29th Jul 20254411 AMAQI
29th Jul 20254312 PMAQI
29th Jul 2025451 PMAQI
29th Jul 2025462 PMAQI
29th Jul 2025423 PMAQI
29th Jul 2025404 PMAQI
29th Jul 2025395 PMAQI
29th Jul 2025376 PMAQI
29th Jul 2025407 PMAQI
29th Jul 2025478 PMAQI
29th Jul 2025499 PMAQI
29th Jul 20254810 PMAQI
29th Jul 20254811 PMAQI
30th Jul 20254612 AMAQI
30th Jul 2025461 AMAQI
30th Jul 2025462 AMAQI
30th Jul 2025473 AMAQI
30th Jul 2025464 AMAQI

26°C22/32°C

30th Jul 2025465 AMAQI
30th Jul 2025466 AMAQI
30th Jul 2025467 AMAQI
30th Jul 2025548 AMAQI
30th Jul 2025569 AMAQI
30th Jul 20255110 AMAQI
30th Jul 20255011 AMAQI
30th Jul 20254912 PMAQI
30th Jul 2025441 PMAQI
30th Jul 2025362 PMAQI
30th Jul 2025413 PMAQI
30th Jul 2025474 PMAQI
30th Jul 2025445 PMAQI
30th Jul 2025366 PMAQI
30th Jul 2025457 PMAQI
30th Jul 2025468 PMAQI
30th Jul 2025449 PMAQI
30th Jul 20253910 PMAQI
30th Jul 20254911 PMAQI
31st Jul 20254212 AMAQI
31st Jul 2025441 AMAQI
31st Jul 2025482 AMAQI
31st Jul 2025483 AMAQI
31st Jul 2025484 AMAQI

26°C21/31°C

31st Jul 2025485 AMAQI
31st Jul 2025486 AMAQI
31st Jul 2025487 AMAQI
31st Jul 2025488 AMAQI
31st Jul 2025489 AMAQI
31st Jul 20255310 AMAQI
31st Jul 20255811 AMAQI
31st Jul 20255812 PMAQI
31st Jul 2025551 PMAQI
31st Jul 2025442 PMAQI
31st Jul 2025383 PMAQI
31st Jul 2025334 PMAQI
31st Jul 2025355 PMAQI
31st Jul 2025346 PMAQI
31st Jul 2025447 PMAQI
31st Jul 2025548 PMAQI
31st Jul 2025529 PMAQI
31st Jul 20255610 PMAQI
31st Jul 20255411 PMAQI
1st Aug 20255212 AMAQI
1st Aug 2025511 AMAQI
1st Aug 2025532 AMAQI
1st Aug 2025503 AMAQI
1st Aug 2025484 AMAQI

26°C22/31°C

1st Aug 2025515 AMAQI
1st Aug 2025506 AMAQI
1st Aug 2025507 AMAQI
1st Aug 2025618 AMAQI
1st Aug 2025619 AMAQI
1st Aug 20256810 AMAQI
1st Aug 20256211 AMAQI
1st Aug 20256012 PMAQI
1st Aug 2025551 PMAQI
1st Aug 2025522 PMAQI
1st Aug 2025553 PMAQI
1st Aug 2025564 PMAQI
1st Aug 2025545 PMAQI
1st Aug 2025526 PMAQI
1st Aug 2025587 PMAQI
1st Aug 2025588 PMAQI
1st Aug 2025589 PMAQI
1st Aug 20255610 PMAQI
1st Aug 20256011 PMAQI
2nd Aug 20255512 AMAQI
2nd Aug 2025521 AMAQI
2nd Aug 2025522 AMAQI
2nd Aug 2025523 AMAQI
2nd Aug 2025534 AMAQI

27°C22/33°C

2nd Aug 2025535 AMAQI
2nd Aug 2025536 AMAQI
2nd Aug 2025547 AMAQI
2nd Aug 2025648 AMAQI
2nd Aug 2025699 AMAQI
2nd Aug 20256410 AMAQI
2nd Aug 20256011 AMAQI
2nd Aug 20256412 PMAQI
2nd Aug 2025621 PMAQI
2nd Aug 2025612 PMAQI
2nd Aug 2025623 PMAQI
2nd Aug 2025634 PMAQI
2nd Aug 2025625 PMAQI
2nd Aug 2025626 PMAQI
2nd Aug 2025597 PMAQI
2nd Aug 2025608 PMAQI
2nd Aug 2025619 PMAQI
2nd Aug 20255810 PMAQI
2nd Aug 20255911 PMAQI
3rd Aug 20255612 AMAQI
3rd Aug 2025531 AMAQI
3rd Aug 2025522 AMAQI
3rd Aug 2025553 AMAQI
3rd Aug 2025564 AMAQI

28°C24/34°C

3rd Aug 2025565 AMAQI
3rd Aug 2025566 AMAQI
3rd Aug 2025567 AMAQI
3rd Aug 2025628 AMAQI
3rd Aug 2025699 AMAQI
3rd Aug 20255610 AMAQI
3rd Aug 20256011 AMAQI
3rd Aug 20255812 PMAQI
3rd Aug 2025601 PMAQI
3rd Aug 2025562 PMAQI
3rd Aug 2025593 PMAQI
3rd Aug 2025584 PMAQI
3rd Aug 2025585 PMAQI
3rd Aug 2025596 PMAQI
3rd Aug 2025567 PMAQI
3rd Aug 2025588 PMAQI
3rd Aug 2025599 PMAQI
3rd Aug 20255810 PMAQI
3rd Aug 20255911 PMAQI
4th Aug 20255612 AMAQI
4th Aug 2025561 AMAQI
4th Aug 2025552 AMAQI
4th Aug 2025563 AMAQI
4th Aug 2025564 AMAQI

29°C23/36°C

4th Aug 2025565 AMAQI
5 AM
4th Aug 2025576 AMAQI
4th Aug 2025567 AMAQI
4th Aug 2025668 AMAQI
4th Aug 2025749 AMAQI
4th Aug 20257410 AMAQI
4th Aug 20256811 AMAQI
4th Aug 20256312 PMAQI
12 PM
4th Aug 2025671 PMAQI
4th Aug 2025602 PMAQI
4th Aug 2025633 PMAQI
4th Aug 2025564 PMAQI
4th Aug 2025565 PMAQI
4th Aug 2025576 PMAQI
4th Aug 2025577 PMAQI
7 PM
4th Aug 2025538 PMAQI
4th Aug 2025549 PMAQI
4th Aug 20255410 PMAQI
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 7 AM

53AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
8 AM - 6 PM

46AQI

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. 53), while the lowest AQI was between 8 AM to 6 PM (Avg. 46).
Night time
Avg. Highest Time
12 AM - 11 PM

52AQI

9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM

52AQI

9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 52), while the lowest AQI was between 12 AM to 11 PM (Avg. 52).

2025 Days Vs Air Quality

Chunan Environmental Protection Building, Baisha, Zhejiang, China

2025

12%

26

67%

143

20%

43

1%

3

Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)

Good
26 Days
Moderate
143 Days
Poor
43 Days
Unhealthy
3 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 12%

Health Risk Level:

Extreme

In 2025, 12% of 216 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.

Annual Air Quality Insights

Chunan Environmental Protection Building, Baisha, Zhejiang, China

AQI levels in 2025

AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

1st January 2025
152AQI
2nd January 2025
146AQI
3rd January 2025
151AQI
4th January 2025
149AQI
5th January 2025
145AQI
6th January 2025
139AQI
7th January 2025
140AQI
8th January 2025
144AQI
9th January 2025
115AQI
10th January 2025
94AQI
11th January 2025
100AQI
12th January 2025
111AQI
13th January 2025
120AQI
14th January 2025
118AQI
15th January 2025
107AQI
16th January 2025
98AQI
17th January 2025
106AQI
18th January 2025
115AQI
19th January 2025
112AQI
20th January 2025
137AQI
21st January 2025
147AQI
22nd January 2025
152AQI
23rd January 2025
146AQI
24th January 2025
113AQI
25th January 2025
95AQI
26th January 2025
78AQI
27th January 2025
69AQI
28th January 2025
80AQI
29th January 2025
125AQI
30th January 2025
109AQI
31st January 2025
116AQI
1st February 2025
70AQI
2nd February 2025
80AQI
3rd February 2025
112AQI
4th February 2025
98AQI
5th February 2025
89AQI
6th February 2025
92AQI
7th February 2025
79AQI
8th February 2025
66AQI
9th February 2025
75AQI
10th February 2025
92AQI
11th February 2025
99AQI
12th February 2025
118AQI
13th February 2025
135AQI
14th February 2025
143AQI
15th February 2025
133AQI
16th February 2025
104AQI
17th February 2025
113AQI
18th February 2025
91AQI
19th February 2025
99AQI
20th February 2025
71AQI
21st February 2025
68AQI
22nd February 2025
71AQI
23rd February 2025
108AQI
24th February 2025
122AQI
25th February 2025
140AQI
26th February 2025
131AQI
27th February 2025
118AQI
28th February 2025
97AQI
1st March 2025
101AQI
2nd March 2025
85AQI
3rd March 2025
68AQI
4th March 2025
65AQI
5th March 2025
72AQI
6th March 2025
80AQI
7th March 2025
99AQI
8th March 2025
103AQI
9th March 2025
119AQI
10th March 2025
126AQI
11th March 2025
143AQI
12th March 2025
114AQI
13th March 2025
90AQI
14th March 2025
81AQI
15th March 2025
51AQI
16th March 2025
83AQI
17th March 2025
63AQI
18th March 2025
76AQI
19th March 2025
80AQI
20th March 2025
77AQI
21st March 2025
77AQI
22nd March 2025
78AQI
23rd March 2025
90AQI
24th March 2025
94AQI
25th March 2025
97AQI
26th March 2025
109AQI
27th March 2025
102AQI
28th March 2025
90AQI
29th March 2025
86AQI
30th March 2025
85AQI
31st March 2025
79AQI
1st April 2025
85AQI
2nd April 2025
84AQI
3rd April 2025
93AQI
4th April 2025
98AQI
5th April 2025
90AQI
6th April 2025
92AQI
7th April 2025
91AQI
8th April 2025
95AQI
9th April 2025
97AQI
10th April 2025
85AQI
11th April 2025
86AQI
12th April 2025
110AQI
13th April 2025
98AQI
14th April 2025
104AQI
15th April 2025
85AQI
16th April 2025
88AQI
17th April 2025
94AQI
18th April 2025
92AQI
19th April 2025
88AQI
20th April 2025
88AQI
21st April 2025
85AQI
22nd April 2025
76AQI
23rd April 2025
82AQI
24th April 2025
76AQI
25th April 2025
76AQI
26th April 2025
72AQI
27th April 2025
74AQI
28th April 2025
78AQI
29th April 2025
80AQI
30th April 2025
83AQI
1st May 2025
81AQI
2nd May 2025
80AQI
3rd May 2025
84AQI
4th May 2025
78AQI
5th May 2025
74AQI
6th May 2025
84AQI
7th May 2025
96AQI
8th May 2025
78AQI
9th May 2025
71AQI
10th May 2025
74AQI
11th May 2025
74AQI
12th May 2025
76AQI
13th May 2025
80AQI
14th May 2025
82AQI
15th May 2025
93AQI
16th May 2025
77AQI
17th May 2025
77AQI
18th May 2025
80AQI
19th May 2025
75AQI
20th May 2025
70AQI
21st May 2025
68AQI
22nd May 2025
67AQI
23rd May 2025
65AQI
24th May 2025
83AQI
25th May 2025
87AQI
26th May 2025
90AQI
27th May 2025
93AQI
28th May 2025
80AQI
29th May 2025
73AQI
30th May 2025
77AQI
31st May 2025
77AQI
1st June 2025
69AQI
2nd June 2025
63AQI
3rd June 2025
64AQI
4th June 2025
71AQI
5th June 2025
69AQI
6th June 2025
74AQI
7th June 2025
74AQI
8th June 2025
67AQI
9th June 2025
66AQI
10th June 2025
65AQI
11th June 2025
61AQI
12th June 2025
61AQI
13th June 2025
56AQI
14th June 2025
58AQI
15th June 2025
59AQI
16th June 2025
63AQI
17th June 2025
61AQI
18th June 2025
53AQI
19th June 2025
53AQI
20th June 2025
49AQI
21st June 2025
46AQI
22nd June 2025
38AQI
23rd June 2025
42AQI
24th June 2025
45AQI
25th June 2025
55AQI
26th June 2025
54AQI
27th June 2025
54AQI
28th June 2025
50AQI
29th June 2025
51AQI
30th June 2025
49AQI
1st July 2025
45AQI
2nd July 2025
46AQI
3rd July 2025
51AQI
4th July 2025
55AQI
5th July 2025
56AQI
6th July 2025
53AQI
7th July 2025
51AQI
8th July 2025
52AQI
9th July 2025
49AQI
10th July 2025
51AQI
11th July 2025
50AQI
12th July 2025
46AQI
13th July 2025
49AQI
14th July 2025
54AQI
15th July 2025
59AQI
16th July 2025
63AQI
17th July 2025
58AQI
18th July 2025
59AQI
19th July 2025
48AQI
20th July 2025
43AQI
21st July 2025
39AQI
22nd July 2025
42AQI
23rd July 2025
40AQI
24th July 2025
42AQI
25th July 2025
45AQI
26th July 2025
38AQI
27th July 2025
43AQI
28th July 2025
40AQI
29th July 2025
44AQI
30th July 2025
45AQI
31st July 2025
48AQI
1st August 2025
55AQI
2nd August 2025
58AQI
3rd August 2025
56AQI

120AQI

101AQI

89AQI

88AQI

79AQI

58AQI

49AQI

56AQI

No. of days

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

202583AQI

7
21
3
16
12
23
8
28
2
31
7
23
19
12
3
26
143
43
3

Highest AQI recorded in

January

120AQI

Lowest AQI recorded in

July

49AQI

202471AQI

15
1
1
2
4
8
2
28
9
22
3
28
7
22
7
23
1
4
24
2
4
25
2
36
177
29
2

Highest AQI recorded in

December

122AQI

Lowest AQI recorded in

July

51AQI

202379AQI

3
31
34

Highest AQI recorded in

November

79AQI

Lowest AQI recorded in

December

79AQI

202254AQI

6
5
8
10
3
11
19
1
4
13
10
21
21
9
16
7
1
6
22
2
83
108
4

Highest AQI recorded in

October

80AQI

Lowest AQI recorded in

August

28AQI

202157AQI

1
13
6
11
13
26
5
21
10
12
18
10
13
12
15
2
1
22
5
2
94
109
13
2

Highest AQI recorded in

January

86AQI

Lowest AQI recorded in

July

38AQI

202061AQI

5
8
3
14
4
7
11
26
4
21
9
12
17
10
19
1
6
24
1
8
20
2
1
16
13
1
99
142
21
1

Highest AQI recorded in

December

98AQI

Lowest AQI recorded in

June

36AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
83AQI
Least Polluted Year Recorded
2022(Avg.)
54AQI

Chunan Environmental Protection Building's annual 2025 AQI (83) shows an average percentage change of 30.7% (worsened AQI) compared to previous years: 2020 (61), 2021 (57), 2022 (54), 2023 (79), 2024 (71).