Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Bei Ao, Zhugang, 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

Bei Ao, Zhugang, Zhejiang, China

2021
2022
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
1st Aug 2022
127AQI
Lowest AQI recorded on
6th Aug 2021
12AQI

Same Day Analysis (20th August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 48 of Good air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

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

Bei Ao, Zhugang, Zhejiang, China

AQI
Day
Night
.

5 AM20th Aug 2025

6 PM

4 AM21st Aug 2025

Day time
Avg. Highest Time
6PM20th Aug

60AQI

Avg. Lowest Time
10AM20th Aug

37AQI

Night time
Avg. Highest Time
7PM20th Aug

56AQI

Avg. Lowest Time
2AM21st Aug

48AQI

In the last 24 hours,

Bei Ao's AQI reached its highest point of 60 at 6 PM during the Day, while the lowest point, 37, was recorded at 10 AM during the Day between 20th Aug and 21st Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Bei Ao, Zhugang, 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 2025465 AMAQI
22nd Jul 2025466 AMAQI
22nd Jul 2025467 AMAQI
22nd Jul 2025278 AMAQI
22nd Jul 2025249 AMAQI
22nd Jul 20252310 AMAQI
22nd Jul 20252311 AMAQI
22nd Jul 20252612 PMAQI
22nd Jul 2025261 PMAQI
22nd Jul 2025272 PMAQI
22nd Jul 2025303 PMAQI
22nd Jul 2025304 PMAQI
22nd Jul 2025285 PMAQI
22nd Jul 2025286 PMAQI
22nd Jul 2025347 PMAQI
22nd Jul 2025438 PMAQI
22nd Jul 2025439 PMAQI
22nd Jul 20254010 PMAQI
22nd Jul 20253711 PMAQI
23rd Jul 20254012 AMAQI
23rd Jul 2025491 AMAQI
23rd Jul 2025472 AMAQI
23rd Jul 2025463 AMAQI
23rd Jul 2025434 AMAQI

27°C26/28°C

23rd Jul 2025435 AMAQI
23rd Jul 2025436 AMAQI
23rd Jul 2025437 AMAQI
23rd Jul 2025318 AMAQI
23rd Jul 2025289 AMAQI
23rd Jul 20252910 AMAQI
23rd Jul 20253011 AMAQI
23rd Jul 20253512 PMAQI
23rd Jul 2025401 PMAQI
23rd Jul 2025372 PMAQI
23rd Jul 2025353 PMAQI
23rd Jul 2025374 PMAQI
23rd Jul 2025375 PMAQI
23rd Jul 2025426 PMAQI
23rd Jul 2025427 PMAQI
23rd Jul 2025438 PMAQI
23rd Jul 2025429 PMAQI
23rd Jul 20253810 PMAQI
23rd Jul 20253811 PMAQI
24th Jul 20253712 AMAQI
24th Jul 2025381 AMAQI
24th Jul 2025442 AMAQI
24th Jul 2025433 AMAQI
24th Jul 2025414 AMAQI

27°C27/28°C

24th Jul 2025415 AMAQI
24th Jul 2025406 AMAQI
24th Jul 2025407 AMAQI
24th Jul 2025338 AMAQI
24th Jul 2025329 AMAQI
24th Jul 20253510 AMAQI
24th Jul 20253211 AMAQI
24th Jul 20253212 PMAQI
24th Jul 2025361 PMAQI
24th Jul 2025322 PMAQI
24th Jul 2025333 PMAQI
24th Jul 2025334 PMAQI
24th Jul 2025315 PMAQI
24th Jul 2025326 PMAQI
24th Jul 2025377 PMAQI
24th Jul 2025398 PMAQI
24th Jul 2025409 PMAQI
24th Jul 20253810 PMAQI
24th Jul 20253611 PMAQI
25th Jul 20253512 AMAQI
25th Jul 2025411 AMAQI
25th Jul 2025402 AMAQI
25th Jul 2025403 AMAQI
25th Jul 2025384 AMAQI

28°C27/28°C

25th Jul 2025385 AMAQI
25th Jul 2025386 AMAQI
25th Jul 2025387 AMAQI
25th Jul 2025348 AMAQI
25th Jul 2025379 AMAQI
25th Jul 20253610 AMAQI
25th Jul 20253411 AMAQI
25th Jul 20253112 PMAQI
25th Jul 2025321 PMAQI
25th Jul 2025332 PMAQI
25th Jul 2025343 PMAQI
25th Jul 2025304 PMAQI
25th Jul 2025325 PMAQI
25th Jul 2025306 PMAQI
25th Jul 2025337 PMAQI
25th Jul 2025368 PMAQI
25th Jul 2025369 PMAQI
25th Jul 20253410 PMAQI
25th Jul 20253311 PMAQI
26th Jul 20253512 AMAQI
26th Jul 2025371 AMAQI
26th Jul 2025382 AMAQI
26th Jul 2025403 AMAQI
26th Jul 2025394 AMAQI

28°C27/28°C

26th Jul 2025405 AMAQI
26th Jul 2025406 AMAQI
26th Jul 2025397 AMAQI
26th Jul 2025298 AMAQI
26th Jul 2025249 AMAQI
26th Jul 20252510 AMAQI
26th Jul 20252911 AMAQI
26th Jul 20252812 PMAQI
26th Jul 2025281 PMAQI
26th Jul 2025282 PMAQI
26th Jul 2025253 PMAQI
26th Jul 2025274 PMAQI
26th Jul 2025255 PMAQI
26th Jul 2025316 PMAQI
26th Jul 2025367 PMAQI
26th Jul 2025388 PMAQI
26th Jul 2025359 PMAQI
26th Jul 20253710 PMAQI
26th Jul 20253811 PMAQI
27th Jul 20253712 AMAQI
27th Jul 2025381 AMAQI
27th Jul 2025382 AMAQI
27th Jul 2025373 AMAQI
27th Jul 2025364 AMAQI

28°C28/29°C

27th Jul 2025365 AMAQI
27th Jul 2025366 AMAQI
27th Jul 2025367 AMAQI
27th Jul 2025368 AMAQI
27th Jul 2025359 AMAQI
27th Jul 20253610 AMAQI
27th Jul 20253611 AMAQI
27th Jul 20253212 PMAQI
27th Jul 2025361 PMAQI
27th Jul 2025372 PMAQI
27th Jul 2025383 PMAQI
27th Jul 2025364 PMAQI
27th Jul 2025425 PMAQI
27th Jul 2025406 PMAQI
27th Jul 2025457 PMAQI
27th Jul 2025468 PMAQI
27th Jul 2025429 PMAQI
27th Jul 20253810 PMAQI
27th Jul 20254011 PMAQI
28th Jul 20253812 AMAQI
28th Jul 2025381 AMAQI
28th Jul 2025372 AMAQI
28th Jul 2025393 AMAQI
28th Jul 2025384 AMAQI

28°C28/28°C

28th Jul 2025385 AMAQI
28th Jul 2025386 AMAQI
28th Jul 2025387 AMAQI
28th Jul 2025438 AMAQI
28th Jul 2025499 AMAQI
28th Jul 20254510 AMAQI
28th Jul 20254411 AMAQI
28th Jul 20254012 PMAQI
28th Jul 2025421 PMAQI
28th Jul 2025402 PMAQI
28th Jul 2025363 PMAQI
28th Jul 2025304 PMAQI
28th Jul 2025295 PMAQI
28th Jul 2025346 PMAQI
28th Jul 2025367 PMAQI
28th Jul 2025348 PMAQI
28th Jul 2025349 PMAQI
28th Jul 20253310 PMAQI
28th Jul 20253111 PMAQI
29th Jul 20253812 AMAQI
29th Jul 2025391 AMAQI
29th Jul 2025382 AMAQI
29th Jul 2025403 AMAQI
29th Jul 2025404 AMAQI

28°C28/29°C

29th Jul 2025405 AMAQI
29th Jul 2025406 AMAQI
29th Jul 2025397 AMAQI
29th Jul 2025308 AMAQI
29th Jul 2025319 AMAQI
29th Jul 20253510 AMAQI
29th Jul 20253411 AMAQI
29th Jul 20253412 PMAQI
29th Jul 2025371 PMAQI
29th Jul 2025362 PMAQI
29th Jul 2025383 PMAQI
29th Jul 2025434 PMAQI
29th Jul 2025455 PMAQI
29th Jul 2025386 PMAQI
29th Jul 2025407 PMAQI
29th Jul 2025428 PMAQI
29th Jul 2025399 PMAQI
29th Jul 20253810 PMAQI
29th Jul 20253911 PMAQI
30th Jul 20253812 AMAQI
30th Jul 2025401 AMAQI
30th Jul 2025402 AMAQI
30th Jul 2025383 AMAQI
30th Jul 2025384 AMAQI

29°C27/30°C

30th Jul 2025385 AMAQI
30th Jul 2025386 AMAQI
30th Jul 2025387 AMAQI
30th Jul 2025408 AMAQI
30th Jul 2025439 AMAQI
30th Jul 20254110 AMAQI
30th Jul 20254311 AMAQI
30th Jul 20254112 PMAQI
30th Jul 2025421 PMAQI
30th Jul 2025382 PMAQI
30th Jul 2025423 PMAQI
30th Jul 2025424 PMAQI
30th Jul 2025515 PMAQI
30th Jul 2025516 PMAQI
30th Jul 2025507 PMAQI
30th Jul 2025478 PMAQI
30th Jul 2025539 PMAQI
30th Jul 20255410 PMAQI
30th Jul 20255311 PMAQI
31st Jul 20254612 AMAQI
31st Jul 2025381 AMAQI
31st Jul 2025382 AMAQI
31st Jul 2025393 AMAQI
31st Jul 2025394 AMAQI

28°C27/29°C

31st Jul 2025395 AMAQI
31st Jul 2025396 AMAQI
31st Jul 2025397 AMAQI
31st Jul 2025398 AMAQI
31st Jul 2025399 AMAQI
31st Jul 20253410 AMAQI
31st Jul 20253411 AMAQI
31st Jul 20253912 PMAQI
31st Jul 2025471 PMAQI
31st Jul 2025462 PMAQI
31st Jul 2025523 PMAQI
31st Jul 2025464 PMAQI
31st Jul 2025455 PMAQI
31st Jul 2025546 PMAQI
31st Jul 2025547 PMAQI
31st Jul 2025548 PMAQI
31st Jul 2025549 PMAQI
31st Jul 20255410 PMAQI
31st Jul 20255411 PMAQI
1st Aug 20254812 AMAQI
1st Aug 2025431 AMAQI
1st Aug 2025462 AMAQI
1st Aug 2025443 AMAQI
1st Aug 2025424 AMAQI

29°C28/29°C

1st Aug 2025445 AMAQI
1st Aug 2025476 AMAQI
1st Aug 2025497 AMAQI
1st Aug 2025548 AMAQI
1st Aug 2025629 AMAQI
1st Aug 20256110 AMAQI
1st Aug 20256211 AMAQI
1st Aug 20255612 PMAQI
1st Aug 2025581 PMAQI
1st Aug 2025522 PMAQI
1st Aug 2025593 PMAQI
1st Aug 2025574 PMAQI
1st Aug 2025585 PMAQI
1st Aug 2025586 PMAQI
1st Aug 2025577 PMAQI
1st Aug 2025578 PMAQI
1st Aug 2025599 PMAQI
1st Aug 20255910 PMAQI
1st Aug 20256111 PMAQI
2nd Aug 20255512 AMAQI
2nd Aug 2025481 AMAQI
2nd Aug 2025482 AMAQI
2nd Aug 2025513 AMAQI
2nd Aug 2025534 AMAQI

29°C28/29°C

2nd Aug 2025535 AMAQI
2nd Aug 2025526 AMAQI
2nd Aug 2025547 AMAQI
2nd Aug 2025628 AMAQI
2nd Aug 2025649 AMAQI
2nd Aug 20256410 AMAQI
2nd Aug 20256111 AMAQI
2nd Aug 20256812 PMAQI
2nd Aug 2025651 PMAQI
2nd Aug 2025682 PMAQI
2nd Aug 2025653 PMAQI
2nd Aug 2025714 PMAQI
2nd Aug 2025655 PMAQI
2nd Aug 2025666 PMAQI
2nd Aug 2025587 PMAQI
2nd Aug 2025598 PMAQI
2nd Aug 2025589 PMAQI
2nd Aug 20256210 PMAQI
2nd Aug 20256011 PMAQI
3rd Aug 20255512 AMAQI
3rd Aug 2025531 AMAQI
3rd Aug 2025522 AMAQI
3rd Aug 2025553 AMAQI
3rd Aug 2025564 AMAQI

29°C28/29°C

3rd Aug 2025565 AMAQI
3rd Aug 2025566 AMAQI
3rd Aug 2025567 AMAQI
3rd Aug 2025568 AMAQI
3rd Aug 2025569 AMAQI
3rd Aug 20255810 AMAQI
3rd Aug 20256311 AMAQI
3rd Aug 20256212 PMAQI
3rd Aug 2025541 PMAQI
3rd Aug 2025582 PMAQI
3rd Aug 2025623 PMAQI
3rd Aug 2025604 PMAQI
3rd Aug 2025575 PMAQI
3rd Aug 2025606 PMAQI
3rd Aug 2025577 PMAQI
3rd Aug 2025568 PMAQI
3rd Aug 2025589 PMAQI
3rd Aug 20255810 PMAQI
3rd Aug 20255811 PMAQI
4th Aug 20255612 AMAQI
4th Aug 2025541 AMAQI
4th Aug 2025562 AMAQI
4th Aug 2025563 AMAQI
4th Aug 2025564 AMAQI

28°C28/29°C

4th Aug 2025575 AMAQI
4th Aug 2025566 AMAQI
4th Aug 2025567 AMAQI
4th Aug 2025478 AMAQI
4th Aug 2025519 AMAQI
4th Aug 20255610 AMAQI
4th Aug 20254811 AMAQI
4th Aug 20255512 PMAQI
4th Aug 2025501 PMAQI
4th Aug 2025532 PMAQI
4th Aug 2025543 PMAQI
4th Aug 2025524 PMAQI
4th Aug 2025545 PMAQI
4th Aug 2025546 PMAQI
4th Aug 2025527 PMAQI
4th Aug 2025528 PMAQI
4th Aug 2025519 PMAQI
4th Aug 20255310 PMAQI
4th Aug 20255411 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025561 AMAQI
5th Aug 2025552 AMAQI
5th Aug 2025563 AMAQI
5th Aug 2025564 AMAQI

28°C28/28°C

5th Aug 2025565 AMAQI
5th Aug 2025566 AMAQI
5th Aug 2025567 AMAQI
5th Aug 2025418 AMAQI
5th Aug 2025499 AMAQI
5th Aug 20254710 AMAQI
5th Aug 20254411 AMAQI
5th Aug 20255012 PMAQI
5th Aug 2025451 PMAQI
5th Aug 2025432 PMAQI
5th Aug 2025433 PMAQI
5th Aug 2025484 PMAQI
5th Aug 2025415 PMAQI
5th Aug 2025456 PMAQI
5th Aug 2025487 PMAQI
5th Aug 2025548 PMAQI
5th Aug 2025549 PMAQI
5th Aug 20255010 PMAQI
5th Aug 20255011 PMAQI
6th Aug 20255312 AMAQI
6th Aug 2025541 AMAQI
6th Aug 2025552 AMAQI
6th Aug 2025543 AMAQI
6th Aug 2025534 AMAQI

28°C27/28°C

6th Aug 2025545 AMAQI
6th Aug 2025546 AMAQI
6th Aug 2025547 AMAQI
6th Aug 2025368 AMAQI
6th Aug 2025429 AMAQI
6th Aug 20253210 AMAQI
6th Aug 20254511 AMAQI
6th Aug 20254012 PMAQI
6th Aug 2025391 PMAQI
6th Aug 2025412 PMAQI
6th Aug 2025503 PMAQI
6th Aug 2025494 PMAQI
6th Aug 2025545 PMAQI
6th Aug 2025496 PMAQI
6th Aug 2025547 PMAQI
6th Aug 2025568 PMAQI
6th Aug 2025579 PMAQI
6th Aug 20255610 PMAQI
6th Aug 20255711 PMAQI
7th Aug 20255412 AMAQI
7th Aug 2025541 AMAQI
7th Aug 2025542 AMAQI
7th Aug 2025533 AMAQI
7th Aug 2025524 AMAQI

28°C28/28°C

7th Aug 2025525 AMAQI
7th Aug 2025516 AMAQI
7th Aug 2025527 AMAQI
7th Aug 2025528 AMAQI
7th Aug 2025549 AMAQI
7th Aug 20255210 AMAQI
7th Aug 20254311 AMAQI
7th Aug 20253412 PMAQI
7th Aug 2025501 PMAQI
7th Aug 2025642 PMAQI
7th Aug 2025613 PMAQI
7th Aug 2025594 PMAQI
7th Aug 2025565 PMAQI
7th Aug 2025576 PMAQI
7th Aug 2025567 PMAQI
7th Aug 2025558 PMAQI
7th Aug 2025569 PMAQI
7th Aug 20255510 PMAQI
7th Aug 20255511 PMAQI
8th Aug 20255412 AMAQI
8th Aug 2025541 AMAQI
8th Aug 2025542 AMAQI
8th Aug 2025543 AMAQI
8th Aug 2025544 AMAQI

27°C27/28°C

8th Aug 2025545 AMAQI
8th Aug 2025546 AMAQI
8th Aug 2025547 AMAQI
8th Aug 2025578 AMAQI
8th Aug 2025619 AMAQI
8th Aug 20256310 AMAQI
8th Aug 20256411 AMAQI
8th Aug 20256412 PMAQI
8th Aug 2025581 PMAQI
8th Aug 2025562 PMAQI
8th Aug 2025453 PMAQI
8th Aug 2025454 PMAQI
8th Aug 2025505 PMAQI
8th Aug 2025556 PMAQI
8th Aug 2025557 PMAQI
8th Aug 2025568 PMAQI
8th Aug 2025589 PMAQI
8th Aug 20255710 PMAQI
8th Aug 20255611 PMAQI
9th Aug 20256012 AMAQI
9th Aug 2025541 AMAQI
9th Aug 2025542 AMAQI
9th Aug 2025543 AMAQI
9th Aug 2025544 AMAQI

28°C27/28°C

9th Aug 2025545 AMAQI
9th Aug 2025546 AMAQI
9th Aug 2025547 AMAQI
9th Aug 2025608 AMAQI
9th Aug 2025649 AMAQI
9th Aug 20257010 AMAQI
9th Aug 20257011 AMAQI
9th Aug 20257212 PMAQI
9th Aug 2025681 PMAQI
9th Aug 2025682 PMAQI
9th Aug 2025613 PMAQI
9th Aug 2025544 PMAQI
9th Aug 2025565 PMAQI
9th Aug 2025566 PMAQI
9th Aug 2025607 PMAQI
9th Aug 2025598 PMAQI
9th Aug 2025599 PMAQI
9th Aug 20256010 PMAQI
9th Aug 20255611 PMAQI
10th Aug 20255612 AMAQI
10th Aug 2025541 AMAQI
10th Aug 2025542 AMAQI
10th Aug 2025543 AMAQI
10th Aug 2025534 AMAQI

28°C27/28°C

10th Aug 2025545 AMAQI
10th Aug 2025536 AMAQI
10th Aug 2025527 AMAQI
10th Aug 2025578 AMAQI
10th Aug 2025639 AMAQI
10th Aug 20256410 AMAQI
10th Aug 20256611 AMAQI
10th Aug 20256512 PMAQI
10th Aug 2025671 PMAQI
10th Aug 2025682 PMAQI
10th Aug 2025673 PMAQI
10th Aug 2025634 PMAQI
10th Aug 2025655 PMAQI
10th Aug 2025636 PMAQI
10th Aug 2025667 PMAQI
10th Aug 2025628 PMAQI
10th Aug 2025629 PMAQI
10th Aug 20256610 PMAQI
10th Aug 20256411 PMAQI
11th Aug 20256212 AMAQI
11th Aug 2025561 AMAQI
11th Aug 2025552 AMAQI
11th Aug 2025583 AMAQI
11th Aug 2025624 AMAQI

28°C27/28°C

11th Aug 2025615 AMAQI
11th Aug 2025606 AMAQI
11th Aug 2025617 AMAQI
11th Aug 2025628 AMAQI
11th Aug 2025649 AMAQI
11th Aug 20256910 AMAQI
11th Aug 20256611 AMAQI
11th Aug 20256812 PMAQI
11th Aug 2025711 PMAQI
11th Aug 2025642 PMAQI
11th Aug 2025653 PMAQI
11th Aug 2025624 PMAQI
11th Aug 2025605 PMAQI
11th Aug 2025586 PMAQI
11th Aug 2025607 PMAQI
11th Aug 2025588 PMAQI
11th Aug 2025589 PMAQI
11th Aug 20255410 PMAQI
11th Aug 20255411 PMAQI
12th Aug 20255612 AMAQI
12th Aug 2025561 AMAQI
12th Aug 2025572 AMAQI
12th Aug 2025603 AMAQI
12th Aug 2025584 AMAQI

28°C28/28°C

12th Aug 2025585 AMAQI
12th Aug 2025606 AMAQI
12th Aug 2025617 AMAQI
12th Aug 2025548 AMAQI
12th Aug 2025649 AMAQI
12th Aug 20256210 AMAQI
12th Aug 20256011 AMAQI
12th Aug 20256012 PMAQI
12th Aug 2025611 PMAQI
12th Aug 2025612 PMAQI
12th Aug 2025583 PMAQI
12th Aug 2025564 PMAQI
12th Aug 2025545 PMAQI
12th Aug 2025586 PMAQI
12th Aug 2025567 PMAQI
12th Aug 2025568 PMAQI
12th Aug 2025579 PMAQI
12th Aug 20255610 PMAQI
12th Aug 20255411 PMAQI
13th Aug 20255512 AMAQI
13th Aug 2025581 AMAQI
13th Aug 2025582 AMAQI
13th Aug 2025583 AMAQI
13th Aug 2025594 AMAQI

28°C28/28°C

13th Aug 2025595 AMAQI
13th Aug 2025596 AMAQI
13th Aug 2025597 AMAQI
13th Aug 2025398 AMAQI
13th Aug 2025479 AMAQI
13th Aug 20253910 AMAQI
13th Aug 20253311 AMAQI
13th Aug 20254812 PMAQI
13th Aug 2025441 PMAQI
13th Aug 2025482 PMAQI
13th Aug 2025483 PMAQI
13th Aug 2025394 PMAQI
13th Aug 2025415 PMAQI
13th Aug 2025426 PMAQI
13th Aug 2025477 PMAQI
13th Aug 2025508 PMAQI
13th Aug 2025509 PMAQI
13th Aug 20254810 PMAQI
13th Aug 20254711 PMAQI
14th Aug 20255412 AMAQI
14th Aug 2025581 AMAQI
14th Aug 2025582 AMAQI
14th Aug 2025563 AMAQI
14th Aug 2025554 AMAQI

28°C27/28°C

14th Aug 2025545 AMAQI
14th Aug 2025556 AMAQI
14th Aug 2025557 AMAQI
14th Aug 2025288 AMAQI
14th Aug 2025299 AMAQI
14th Aug 20252310 AMAQI
14th Aug 20253611 AMAQI
14th Aug 20253012 PMAQI
14th Aug 2025261 PMAQI
14th Aug 2025242 PMAQI
14th Aug 2025223 PMAQI
14th Aug 2025204 PMAQI
14th Aug 2025185 PMAQI
14th Aug 2025276 PMAQI
14th Aug 2025407 PMAQI
14th Aug 2025438 PMAQI
14th Aug 2025459 PMAQI
14th Aug 20254010 PMAQI
14th Aug 20254311 PMAQI
15th Aug 20254912 AMAQI
15th Aug 2025551 AMAQI
15th Aug 2025562 AMAQI
15th Aug 2025523 AMAQI
15th Aug 2025524 AMAQI

28°C27/28°C

15th Aug 2025525 AMAQI
15th Aug 2025526 AMAQI
15th Aug 2025527 AMAQI
15th Aug 2025238 AMAQI
15th Aug 2025269 AMAQI
15th Aug 20251910 AMAQI
15th Aug 20252211 AMAQI
15th Aug 20252512 PMAQI
15th Aug 2025221 PMAQI
15th Aug 2025252 PMAQI
15th Aug 2025223 PMAQI
15th Aug 2025234 PMAQI
15th Aug 2025205 PMAQI
15th Aug 2025246 PMAQI
15th Aug 2025397 PMAQI
15th Aug 2025478 PMAQI
15th Aug 2025449 PMAQI
15th Aug 20254410 PMAQI
15th Aug 20254111 PMAQI
16th Aug 20254812 AMAQI
16th Aug 2025521 AMAQI
16th Aug 2025522 AMAQI
16th Aug 2025503 AMAQI
16th Aug 2025504 AMAQI

28°C27/29°C

16th Aug 2025505 AMAQI
16th Aug 2025486 AMAQI
16th Aug 2025487 AMAQI
16th Aug 2025338 AMAQI
16th Aug 2025269 AMAQI
16th Aug 20253410 AMAQI
16th Aug 20253011 AMAQI
16th Aug 20253112 PMAQI
16th Aug 2025281 PMAQI
16th Aug 2025262 PMAQI
16th Aug 2025253 PMAQI
16th Aug 2025304 PMAQI
16th Aug 2025355 PMAQI
16th Aug 2025386 PMAQI
16th Aug 2025427 PMAQI
16th Aug 2025468 PMAQI
16th Aug 2025499 PMAQI
16th Aug 20254910 PMAQI
16th Aug 20254511 PMAQI
17th Aug 20254612 AMAQI
17th Aug 2025501 AMAQI
17th Aug 2025502 AMAQI
17th Aug 2025463 AMAQI
17th Aug 2025494 AMAQI

28°C27/29°C

17th Aug 2025465 AMAQI
17th Aug 2025466 AMAQI
17th Aug 2025447 AMAQI
17th Aug 2025468 AMAQI
17th Aug 2025469 AMAQI
17th Aug 20253810 AMAQI
17th Aug 20254411 AMAQI
17th Aug 20253712 PMAQI
17th Aug 2025401 PMAQI
17th Aug 2025322 PMAQI
17th Aug 2025383 PMAQI
17th Aug 2025344 PMAQI
17th Aug 2025385 PMAQI
17th Aug 2025446 PMAQI
17th Aug 2025497 PMAQI
17th Aug 2025518 PMAQI
17th Aug 2025529 PMAQI
17th Aug 20254610 PMAQI
17th Aug 20254611 PMAQI
18th Aug 20254312 AMAQI
18th Aug 2025451 AMAQI
18th Aug 2025462 AMAQI
18th Aug 2025473 AMAQI
18th Aug 2025464 AMAQI

28°C28/29°C

18th Aug 2025485 AMAQI
18th Aug 2025446 AMAQI
18th Aug 2025447 AMAQI
18th Aug 2025528 AMAQI
18th Aug 2025469 AMAQI
18th Aug 20254210 AMAQI
18th Aug 20254411 AMAQI
18th Aug 20253612 PMAQI
18th Aug 2025381 PMAQI
18th Aug 2025402 PMAQI
18th Aug 2025393 PMAQI
18th Aug 2025424 PMAQI
18th Aug 2025415 PMAQI
18th Aug 2025376 PMAQI
18th Aug 2025417 PMAQI
18th Aug 2025478 PMAQI
18th Aug 2025469 PMAQI
18th Aug 20254510 PMAQI
18th Aug 20254911 PMAQI
19th Aug 20255012 AMAQI
19th Aug 2025461 AMAQI
19th Aug 2025462 AMAQI
19th Aug 2025453 AMAQI
19th Aug 2025464 AMAQI

29°C28/29°C

19th Aug 2025445 AMAQI
19th Aug 2025446 AMAQI
19th Aug 2025467 AMAQI
19th Aug 2025348 AMAQI
19th Aug 2025369 AMAQI
19th Aug 20254010 AMAQI
19th Aug 20254211 AMAQI
19th Aug 20254712 PMAQI
19th Aug 2025511 PMAQI
19th Aug 2025462 PMAQI
19th Aug 2025473 PMAQI
19th Aug 2025444 PMAQI
19th Aug 2025465 PMAQI
19th Aug 2025496 PMAQI
19th Aug 2025507 PMAQI
19th Aug 2025508 PMAQI
19th Aug 2025479 PMAQI
19th Aug 20255010 PMAQI
19th Aug 20254911 PMAQI
20th Aug 20254712 AMAQI
20th Aug 2025481 AMAQI
20th Aug 2025482 AMAQI
20th Aug 2025483 AMAQI
20th Aug 2025484 AMAQI

29°C28/29°C

20th Aug 2025475 AMAQI
20th Aug 2025476 AMAQI
20th Aug 2025477 AMAQI
20th Aug 2025458 AMAQI
20th Aug 2025469 AMAQI
20th Aug 20253710 AMAQI
20th Aug 20254411 AMAQI
20th Aug 20255012 PMAQI
20th Aug 2025491 PMAQI
20th Aug 2025542 PMAQI
20th Aug 2025533 PMAQI
20th Aug 2025574 PMAQI
20th Aug 2025565 PMAQI
20th Aug 2025606 PMAQI
20th Aug 2025567 PMAQI
20th Aug 2025548 PMAQI
20th Aug 2025519 PMAQI
20th Aug 20255410 PMAQI
20th Aug 20255211 PMAQI
21st Aug 20255212 AMAQI
21st Aug 2025501 AMAQI
21st Aug 2025482 AMAQI
21st Aug 2025503 AMAQI
21st Aug 2025514 AMAQI

28°C28/29°C

21st Aug 2025525 AMAQI
5 AM
21st Aug 2025526 AMAQI
21st Aug 2025517 AMAQI
21st Aug 2025528 AMAQI
21st Aug 2025589 AMAQI
21st Aug 20255410 AMAQI
21st Aug 20255711 AMAQI
11 AM
21st Aug 20255412 PMAQI
21st Aug 2025551 PMAQI
21st Aug 2025562 PMAQI
21st Aug 2025523 PMAQI
6 PM
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 7 AM

48AQI

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. 48), 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

Bei Ao, Zhugang, Zhejiang, China

2025

20%

47

68%

158

12%

27

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

Good
47 Days
Moderate
158 Days
Poor
27 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 20%

Health Risk Level:

Very high

In 2025, 20% of 233 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

Bei Ao, Zhugang, 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
108AQI
2nd January 2025
93AQI
3rd January 2025
105AQI
4th January 2025
88AQI
5th January 2025
109AQI
6th January 2025
121AQI
7th January 2025
131AQI
8th January 2025
124AQI
9th January 2025
104AQI
10th January 2025
87AQI
11th January 2025
91AQI
12th January 2025
95AQI
13th January 2025
104AQI
14th January 2025
100AQI
15th January 2025
113AQI
16th January 2025
84AQI
17th January 2025
107AQI
18th January 2025
95AQI
19th January 2025
102AQI
20th January 2025
114AQI
21st January 2025
137AQI
22nd January 2025
111AQI
23rd January 2025
103AQI
24th January 2025
89AQI
25th January 2025
82AQI
26th January 2025
69AQI
27th January 2025
65AQI
28th January 2025
77AQI
29th January 2025
103AQI
30th January 2025
85AQI
31st January 2025
86AQI
1st February 2025
55AQI
2nd February 2025
61AQI
3rd February 2025
96AQI
4th February 2025
98AQI
5th February 2025
91AQI
6th February 2025
102AQI
7th February 2025
77AQI
8th February 2025
66AQI
9th February 2025
75AQI
10th February 2025
80AQI
11th February 2025
76AQI
12th February 2025
93AQI
13th February 2025
114AQI
14th February 2025
85AQI
15th February 2025
108AQI
16th February 2025
99AQI
17th February 2025
112AQI
18th February 2025
72AQI
19th February 2025
89AQI
20th February 2025
65AQI
21st February 2025
62AQI
22nd February 2025
68AQI
23rd February 2025
76AQI
24th February 2025
122AQI
25th February 2025
130AQI
26th February 2025
137AQI
27th February 2025
131AQI
28th February 2025
98AQI
1st March 2025
91AQI
2nd March 2025
82AQI
3rd March 2025
82AQI
4th March 2025
61AQI
5th March 2025
64AQI
6th March 2025
54AQI
7th March 2025
77AQI
8th March 2025
88AQI
9th March 2025
83AQI
10th March 2025
77AQI
11th March 2025
90AQI
12th March 2025
75AQI
13th March 2025
63AQI
14th March 2025
63AQI
15th March 2025
39AQI
16th March 2025
71AQI
17th March 2025
72AQI
18th March 2025
76AQI
19th March 2025
82AQI
20th March 2025
89AQI
21st March 2025
78AQI
22nd March 2025
83AQI
23rd March 2025
88AQI
24th March 2025
99AQI
25th March 2025
101AQI
26th March 2025
106AQI
27th March 2025
104AQI
28th March 2025
80AQI
29th March 2025
78AQI
30th March 2025
65AQI
31st March 2025
64AQI
1st April 2025
69AQI
2nd April 2025
75AQI
3rd April 2025
85AQI
4th April 2025
78AQI
5th April 2025
82AQI
6th April 2025
88AQI
7th April 2025
83AQI
8th April 2025
88AQI
9th April 2025
94AQI
10th April 2025
79AQI
11th April 2025
84AQI
12th April 2025
98AQI
13th April 2025
89AQI
14th April 2025
92AQI
15th April 2025
80AQI
16th April 2025
86AQI
17th April 2025
93AQI
18th April 2025
86AQI
19th April 2025
75AQI
20th April 2025
82AQI
21st April 2025
74AQI
22nd April 2025
70AQI
23rd April 2025
60AQI
24th April 2025
66AQI
25th April 2025
52AQI
26th April 2025
55AQI
27th April 2025
61AQI
28th April 2025
67AQI
29th April 2025
67AQI
30th April 2025
72AQI
1st May 2025
75AQI
2nd May 2025
72AQI
3rd May 2025
78AQI
4th May 2025
65AQI
5th May 2025
66AQI
6th May 2025
76AQI
7th May 2025
84AQI
8th May 2025
69AQI
9th May 2025
67AQI
10th May 2025
63AQI
11th May 2025
66AQI
12th May 2025
68AQI
13th May 2025
67AQI
14th May 2025
64AQI
15th May 2025
64AQI
16th May 2025
65AQI
17th May 2025
70AQI
18th May 2025
51AQI
19th May 2025
59AQI
20th May 2025
60AQI
21st May 2025
52AQI
22nd May 2025
60AQI
23rd May 2025
55AQI
24th May 2025
66AQI
25th May 2025
83AQI
26th May 2025
74AQI
27th May 2025
67AQI
28th May 2025
58AQI
29th May 2025
49AQI
30th May 2025
64AQI
31st May 2025
68AQI
1st June 2025
62AQI
2nd June 2025
63AQI
3rd June 2025
53AQI
4th June 2025
67AQI
5th June 2025
55AQI
6th June 2025
63AQI
7th June 2025
64AQI
8th June 2025
56AQI
9th June 2025
60AQI
10th June 2025
52AQI
11th June 2025
41AQI
12th June 2025
43AQI
13th June 2025
36AQI
14th June 2025
48AQI
15th June 2025
45AQI
16th June 2025
47AQI
17th June 2025
52AQI
18th June 2025
50AQI
19th June 2025
51AQI
20th June 2025
46AQI
21st June 2025
54AQI
22nd June 2025
57AQI
23rd June 2025
51AQI
24th June 2025
53AQI
25th June 2025
53AQI
26th June 2025
53AQI
27th June 2025
53AQI
28th June 2025
46AQI
29th June 2025
47AQI
30th June 2025
44AQI
1st July 2025
44AQI
2nd July 2025
47AQI
3rd July 2025
49AQI
4th July 2025
51AQI
5th July 2025
47AQI
6th July 2025
45AQI
7th July 2025
38AQI
8th July 2025
42AQI
9th July 2025
42AQI
10th July 2025
47AQI
11th July 2025
45AQI
12th July 2025
45AQI
13th July 2025
50AQI
14th July 2025
55AQI
15th July 2025
57AQI
16th July 2025
58AQI
17th July 2025
59AQI
18th July 2025
55AQI
19th July 2025
45AQI
20th July 2025
43AQI
21st July 2025
38AQI
22nd July 2025
37AQI
23rd July 2025
40AQI
24th July 2025
37AQI
25th July 2025
35AQI
26th July 2025
34AQI
27th July 2025
38AQI
28th July 2025
37AQI
29th July 2025
38AQI
30th July 2025
44AQI
31st July 2025
45AQI
1st August 2025
54AQI
2nd August 2025
59AQI
3rd August 2025
57AQI
4th August 2025
54AQI
5th August 2025
50AQI
6th August 2025
51AQI
7th August 2025
53AQI
8th August 2025
55AQI
9th August 2025
59AQI
10th August 2025
61AQI
11th August 2025
61AQI
12th August 2025
58AQI
13th August 2025
50AQI
14th August 2025
41AQI
15th August 2025
39AQI
16th August 2025
42AQI
17th August 2025
45AQI
18th August 2025
44AQI
19th August 2025
46AQI
20th August 2025
48AQI

99AQI

91AQI

78AQI

78AQI

66AQI

52AQI

45AQI

51AQI

No. of days

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

202571AQI

15
16
20
8
1
27
3
30
1
30
11
19
25
6
9
11
47
158
27

Highest AQI recorded in

January

99AQI

Lowest AQI recorded in

July

45AQI

202465AQI

4
9
3
1
1
4
8
8
22
11
20
4
27
17
12
11
18
2
11
18
1
21
10
68
150
22
3

Highest AQI recorded in

January

118AQI

Lowest AQI recorded in

April

33AQI

202389AQI

2
1
3
18
8
2
3
20
9
2

Highest AQI recorded in

December

90AQI

Lowest AQI recorded in

November

85AQI

202256AQI

8
2
1
9
10
2
7
22
2
5
12
17
12
2
23
7
13
10
1
1
8
20
1
1
92
96
8

Highest AQI recorded in

August

88AQI

Lowest AQI recorded in

June

41AQI

202155AQI

13
6
1
15
9
24
7
28
3
16
14
15
8
7
20
2
2
21
5
1
107
95
13
2

Highest AQI recorded in

January

91AQI

Lowest AQI recorded in

August

37AQI

202057AQI

6
7
18
3
7
11
19
11
23
7
20
9
11
19
11
20
13
14
3
3
23
5
113
139
11

Highest AQI recorded in

April

81AQI

Lowest AQI recorded in

August

44AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
89AQI
Least Polluted Year Recorded
2021(Avg.)
55AQI

Bei Ao's annual 2025 AQI (71) shows an average percentage change of 13.7% (worsened AQI) compared to previous years: 2020 (57), 2021 (55), 2022 (56), 2023 (89), 2024 (65).