Haiyan Environmental Protection Building, Pinghu, 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
Haiyan Environmental Protection Building, Pinghu, Zhejiang, China
2021
2022
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
118AQILowest AQI recorded on
4th Aug 2021
23AQISame Day Analysis (6th August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 53 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Haiyan Environmental Protection Building, Pinghu, Zhejiang, China
AQI
Day
Night
.
5 AM6th Aug 2025
6 PM
4 AM7th Aug 2025
Day time
Avg. Highest Time
5PM6th Aug
56AQI
Avg. Lowest Time
9AM6th Aug
42AQI
Night time
Avg. Highest Time
12AM7th Aug
64AQI
Avg. Lowest Time
4AM7th Aug
54AQI
In the last 24 hours,
Haiyan Environmental Protection Building's AQI reached its highest point of 64 at 12 AM during the Night, while the lowest point, 42, was recorded at 9 AM during the Day between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Haiyan Environmental Protection Building, Pinghu, Zhejiang, China
JulAug
08th - 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 - 05th05th - 06th06th - 07th07th
Day
Night
8th Jul 2025555 AMAQI
8th Jul 2025556 AMAQI
8th Jul 2025557 AMAQI
8th Jul 2025388 AMAQI
8th Jul 2025289 AMAQI
8th Jul 20252610 AMAQI
8th Jul 20252811 AMAQI
8th Jul 20253312 PMAQI
8th Jul 2025331 PMAQI
8th Jul 2025322 PMAQI
8th Jul 2025343 PMAQI
8th Jul 2025344 PMAQI
8th Jul 2025355 PMAQI
8th Jul 2025426 PMAQI
8th Jul 2025527 PMAQI
8th Jul 2025538 PMAQI
8th Jul 2025529 PMAQI
8th Jul 20255210 PMAQI
8th Jul 20255211 PMAQI
9th Jul 20255212 AMAQI
9th Jul 2025551 AMAQI
9th Jul 2025552 AMAQI
9th Jul 2025543 AMAQI
9th Jul 2025534 AMAQI
27°C26/28°C
9th Jul 2025525 AMAQI
9th Jul 2025536 AMAQI
9th Jul 2025537 AMAQI
9th Jul 2025378 AMAQI
9th Jul 2025389 AMAQI
9th Jul 20253710 AMAQI
9th Jul 20254111 AMAQI
9th Jul 20254612 PMAQI
9th Jul 2025401 PMAQI
9th Jul 2025422 PMAQI
9th Jul 2025423 PMAQI
9th Jul 2025424 PMAQI
9th Jul 2025415 PMAQI
9th Jul 2025396 PMAQI
9th Jul 2025467 PMAQI
9th Jul 2025528 PMAQI
9th Jul 2025509 PMAQI
9th Jul 20255010 PMAQI
9th Jul 20255211 PMAQI
10th Jul 20255412 AMAQI
10th Jul 2025541 AMAQI
10th Jul 2025532 AMAQI
10th Jul 2025533 AMAQI
10th Jul 2025524 AMAQI
27°C26/28°C
10th Jul 2025525 AMAQI
10th Jul 2025526 AMAQI
10th Jul 2025527 AMAQI
10th Jul 2025518 AMAQI
10th Jul 2025559 AMAQI
10th Jul 20255610 AMAQI
10th Jul 20256211 AMAQI
10th Jul 20256412 PMAQI
10th Jul 2025641 PMAQI
10th Jul 2025632 PMAQI
10th Jul 2025593 PMAQI
10th Jul 2025594 PMAQI
10th Jul 2025625 PMAQI
10th Jul 2025646 PMAQI
10th Jul 2025647 PMAQI
10th Jul 2025628 PMAQI
10th Jul 2025609 PMAQI
10th Jul 20256110 PMAQI
10th Jul 20256211 PMAQI
11th Jul 20255812 AMAQI
11th Jul 2025531 AMAQI
11th Jul 2025532 AMAQI
11th Jul 2025543 AMAQI
11th Jul 2025574 AMAQI
27°C26/28°C
11th Jul 2025565 AMAQI
11th Jul 2025566 AMAQI
11th Jul 2025567 AMAQI
11th Jul 2025538 AMAQI
11th Jul 2025529 AMAQI
11th Jul 20255310 AMAQI
11th Jul 20255011 AMAQI
11th Jul 20255112 PMAQI
11th Jul 2025521 PMAQI
11th Jul 2025482 PMAQI
11th Jul 2025423 PMAQI
11th Jul 2025344 PMAQI
11th Jul 2025395 PMAQI
11th Jul 2025406 PMAQI
11th Jul 2025467 PMAQI
11th Jul 2025538 PMAQI
11th Jul 2025549 PMAQI
11th Jul 20255410 PMAQI
11th Jul 20255411 PMAQI
12th Jul 20255412 AMAQI
12th Jul 2025541 AMAQI
12th Jul 2025542 AMAQI
12th Jul 2025553 AMAQI
12th Jul 2025564 AMAQI
27°C25/29°C
12th Jul 2025565 AMAQI
12th Jul 2025556 AMAQI
12th Jul 2025567 AMAQI
12th Jul 2025488 AMAQI
12th Jul 2025399 AMAQI
12th Jul 20253710 AMAQI
12th Jul 20253411 AMAQI
12th Jul 20254012 PMAQI
12th Jul 2025461 PMAQI
12th Jul 2025412 PMAQI
12th Jul 2025413 PMAQI
12th Jul 2025454 PMAQI
12th Jul 2025445 PMAQI
12th Jul 2025466 PMAQI
12th Jul 2025487 PMAQI
12th Jul 2025538 PMAQI
12th Jul 2025549 PMAQI
12th Jul 20255410 PMAQI
12th Jul 20255611 PMAQI
13th Jul 20255612 AMAQI
13th Jul 2025561 AMAQI
13th Jul 2025562 AMAQI
13th Jul 2025553 AMAQI
13th Jul 2025544 AMAQI
27°C25/29°C
13th Jul 2025545 AMAQI
13th Jul 2025546 AMAQI
13th Jul 2025547 AMAQI
13th Jul 2025548 AMAQI
13th Jul 2025529 AMAQI
13th Jul 20255610 AMAQI
13th Jul 20255511 AMAQI
13th Jul 20255812 PMAQI
13th Jul 2025591 PMAQI
13th Jul 2025592 PMAQI
13th Jul 2025593 PMAQI
13th Jul 2025584 PMAQI
13th Jul 2025585 PMAQI
13th Jul 2025626 PMAQI
13th Jul 2025627 PMAQI
13th Jul 2025588 PMAQI
13th Jul 2025589 PMAQI
13th Jul 20255710 PMAQI
13th Jul 20255811 PMAQI
14th Jul 20255812 AMAQI
14th Jul 2025551 AMAQI
14th Jul 2025552 AMAQI
14th Jul 2025553 AMAQI
14th Jul 2025554 AMAQI
27°C25/30°C
14th Jul 2025565 AMAQI
14th Jul 2025556 AMAQI
14th Jul 2025557 AMAQI
14th Jul 2025648 AMAQI
14th Jul 2025699 AMAQI
14th Jul 20256810 AMAQI
14th Jul 20256811 AMAQI
14th Jul 20256712 PMAQI
14th Jul 2025681 PMAQI
14th Jul 2025682 PMAQI
14th Jul 2025703 PMAQI
14th Jul 2025694 PMAQI
14th Jul 2025685 PMAQI
14th Jul 2025696 PMAQI
14th Jul 2025677 PMAQI
14th Jul 2025618 PMAQI
14th Jul 2025589 PMAQI
14th Jul 20255710 PMAQI
14th Jul 20255811 PMAQI
15th Jul 20255712 AMAQI
15th Jul 2025561 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025573 AMAQI
15th Jul 2025584 AMAQI
28°C26/32°C
15th Jul 2025595 AMAQI
15th Jul 2025586 AMAQI
15th Jul 2025587 AMAQI
15th Jul 2025738 AMAQI
15th Jul 2025739 AMAQI
15th Jul 20257110 AMAQI
15th Jul 20257111 AMAQI
15th Jul 20257212 PMAQI
15th Jul 2025791 PMAQI
15th Jul 2025752 PMAQI
15th Jul 2025783 PMAQI
15th Jul 2025784 PMAQI
15th Jul 2025725 PMAQI
15th Jul 2025696 PMAQI
15th Jul 2025707 PMAQI
15th Jul 2025648 PMAQI
15th Jul 2025669 PMAQI
15th Jul 20256410 PMAQI
15th Jul 20256411 PMAQI
16th Jul 20256312 AMAQI
16th Jul 2025581 AMAQI
16th Jul 2025582 AMAQI
16th Jul 2025583 AMAQI
16th Jul 2025604 AMAQI
28°C25/32°C
16th Jul 2025605 AMAQI
16th Jul 2025606 AMAQI
16th Jul 2025607 AMAQI
16th Jul 2025708 AMAQI
16th Jul 2025699 AMAQI
16th Jul 20256610 AMAQI
16th Jul 20257111 AMAQI
16th Jul 20257212 PMAQI
16th Jul 2025691 PMAQI
16th Jul 2025662 PMAQI
16th Jul 2025663 PMAQI
16th Jul 2025694 PMAQI
16th Jul 2025675 PMAQI
16th Jul 2025676 PMAQI
16th Jul 2025657 PMAQI
16th Jul 2025648 PMAQI
16th Jul 2025659 PMAQI
16th Jul 20256410 PMAQI
16th Jul 20256511 PMAQI
17th Jul 20256412 AMAQI
17th Jul 2025601 AMAQI
17th Jul 2025602 AMAQI
17th Jul 2025603 AMAQI
17th Jul 2025604 AMAQI
30°C28/33°C
17th Jul 2025625 AMAQI
17th Jul 2025646 AMAQI
17th Jul 2025617 AMAQI
17th Jul 2025598 AMAQI
17th Jul 2025569 AMAQI
17th Jul 20255810 AMAQI
17th Jul 20255911 AMAQI
17th Jul 20256612 PMAQI
17th Jul 2025681 PMAQI
17th Jul 2025682 PMAQI
17th Jul 2025663 PMAQI
17th Jul 2025654 PMAQI
17th Jul 2025615 PMAQI
17th Jul 2025626 PMAQI
17th Jul 2025627 PMAQI
17th Jul 2025628 PMAQI
17th Jul 2025619 PMAQI
17th Jul 20256110 PMAQI
17th Jul 20256211 PMAQI
18th Jul 20256212 AMAQI
18th Jul 2025611 AMAQI
18th Jul 2025612 AMAQI
18th Jul 2025613 AMAQI
18th Jul 2025624 AMAQI
30°C26/33°C
18th Jul 2025625 AMAQI
18th Jul 2025636 AMAQI
18th Jul 2025637 AMAQI
18th Jul 2025688 AMAQI
18th Jul 2025629 AMAQI
18th Jul 20255810 AMAQI
18th Jul 20256011 AMAQI
18th Jul 20255712 PMAQI
18th Jul 2025571 PMAQI
18th Jul 2025602 PMAQI
18th Jul 2025583 PMAQI
18th Jul 2025604 PMAQI
18th Jul 2025585 PMAQI
18th Jul 2025586 PMAQI
18th Jul 2025607 PMAQI
18th Jul 2025598 PMAQI
18th Jul 2025589 PMAQI
18th Jul 20255610 PMAQI
18th Jul 20255711 PMAQI
19th Jul 20255712 AMAQI
19th Jul 2025611 AMAQI
19th Jul 2025612 AMAQI
19th Jul 2025613 AMAQI
19th Jul 2025624 AMAQI
28°C26/31°C
19th Jul 2025625 AMAQI
19th Jul 2025626 AMAQI
19th Jul 2025627 AMAQI
19th Jul 2025408 AMAQI
19th Jul 2025249 AMAQI
19th Jul 20252210 AMAQI
19th Jul 20253011 AMAQI
19th Jul 20253612 PMAQI
19th Jul 2025371 PMAQI
19th Jul 2025352 PMAQI
19th Jul 2025383 PMAQI
19th Jul 2025414 PMAQI
19th Jul 2025405 PMAQI
19th Jul 2025416 PMAQI
19th Jul 2025467 PMAQI
19th Jul 2025548 PMAQI
19th Jul 2025559 PMAQI
19th Jul 20255510 PMAQI
19th Jul 20255411 PMAQI
20th Jul 20255612 AMAQI
20th Jul 2025611 AMAQI
20th Jul 2025612 AMAQI
20th Jul 2025593 AMAQI
20th Jul 2025574 AMAQI
28°C27/30°C
20th Jul 2025585 AMAQI
20th Jul 2025576 AMAQI
20th Jul 2025577 AMAQI
20th Jul 2025498 AMAQI
20th Jul 2025329 AMAQI
20th Jul 20253210 AMAQI
20th Jul 20253211 AMAQI
20th Jul 20253412 PMAQI
20th Jul 2025361 PMAQI
20th Jul 2025382 PMAQI
20th Jul 2025353 PMAQI
20th Jul 2025384 PMAQI
20th Jul 2025375 PMAQI
20th Jul 2025376 PMAQI
20th Jul 2025437 PMAQI
20th Jul 2025538 PMAQI
20th Jul 2025549 PMAQI
20th Jul 20255410 PMAQI
20th Jul 20255311 PMAQI
21st Jul 20255412 AMAQI
21st Jul 2025571 AMAQI
21st Jul 2025572 AMAQI
21st Jul 2025573 AMAQI
21st Jul 2025554 AMAQI
28°C27/29°C
21st Jul 2025555 AMAQI
21st Jul 2025556 AMAQI
21st Jul 2025557 AMAQI
21st Jul 2025398 AMAQI
21st Jul 2025349 AMAQI
21st Jul 20252710 AMAQI
21st Jul 20252611 AMAQI
21st Jul 20253012 PMAQI
21st Jul 2025301 PMAQI
21st Jul 2025262 PMAQI
21st Jul 2025293 PMAQI
21st Jul 2025304 PMAQI
21st Jul 2025345 PMAQI
21st Jul 2025346 PMAQI
21st Jul 2025407 PMAQI
21st Jul 2025528 PMAQI
21st Jul 2025539 PMAQI
21st Jul 20255210 PMAQI
21st Jul 20255211 PMAQI
22nd Jul 20255212 AMAQI
22nd Jul 2025551 AMAQI
22nd Jul 2025562 AMAQI
22nd Jul 2025553 AMAQI
22nd Jul 2025544 AMAQI
28°C27/30°C
22nd Jul 2025545 AMAQI
22nd Jul 2025546 AMAQI
22nd Jul 2025537 AMAQI
22nd Jul 2025328 AMAQI
22nd Jul 2025259 AMAQI
22nd Jul 20252410 AMAQI
22nd Jul 20252511 AMAQI
22nd Jul 20252912 PMAQI
22nd Jul 2025311 PMAQI
22nd Jul 2025342 PMAQI
22nd Jul 2025343 PMAQI
22nd Jul 2025354 PMAQI
22nd Jul 2025355 PMAQI
22nd Jul 2025346 PMAQI
22nd Jul 2025427 PMAQI
22nd Jul 2025508 PMAQI
22nd Jul 2025509 PMAQI
22nd Jul 20255010 PMAQI
22nd Jul 20254811 PMAQI
23rd Jul 20255012 AMAQI
23rd Jul 2025541 AMAQI
23rd Jul 2025542 AMAQI
23rd Jul 2025543 AMAQI
23rd Jul 2025524 AMAQI
28°C27/29°C
23rd Jul 2025525 AMAQI
23rd Jul 2025526 AMAQI
23rd Jul 2025537 AMAQI
23rd Jul 2025368 AMAQI
23rd Jul 2025319 AMAQI
23rd Jul 20252910 AMAQI
23rd Jul 20253011 AMAQI
23rd Jul 20252812 PMAQI
23rd Jul 2025331 PMAQI
23rd Jul 2025312 PMAQI
23rd Jul 2025293 PMAQI
23rd Jul 2025284 PMAQI
23rd Jul 2025305 PMAQI
23rd Jul 2025336 PMAQI
23rd Jul 2025397 PMAQI
23rd Jul 2025468 PMAQI
23rd Jul 2025479 PMAQI
23rd Jul 20254510 PMAQI
23rd Jul 20254411 PMAQI
24th Jul 20254412 AMAQI
24th Jul 2025461 AMAQI
24th Jul 2025502 AMAQI
24th Jul 2025513 AMAQI
24th Jul 2025504 AMAQI
28°C27/29°C
24th Jul 2025485 AMAQI
24th Jul 2025506 AMAQI
24th Jul 2025497 AMAQI
24th Jul 2025448 AMAQI
24th Jul 2025379 AMAQI
24th Jul 20253610 AMAQI
24th Jul 20253811 AMAQI
24th Jul 20253712 PMAQI
24th Jul 2025351 PMAQI
24th Jul 2025332 PMAQI
24th Jul 2025313 PMAQI
24th Jul 2025344 PMAQI
24th Jul 2025365 PMAQI
24th Jul 2025466 PMAQI
24th Jul 2025467 PMAQI
24th Jul 2025498 PMAQI
24th Jul 2025509 PMAQI
24th Jul 20254810 PMAQI
24th Jul 20254611 PMAQI
25th Jul 20254812 AMAQI
25th Jul 2025491 AMAQI
25th Jul 2025482 AMAQI
25th Jul 2025463 AMAQI
25th Jul 2025464 AMAQI
28°C27/29°C
25th Jul 2025475 AMAQI
25th Jul 2025456 AMAQI
25th Jul 2025467 AMAQI
25th Jul 2025408 AMAQI
25th Jul 2025399 AMAQI
25th Jul 20254110 AMAQI
25th Jul 20254411 AMAQI
25th Jul 20254612 PMAQI
25th Jul 2025481 PMAQI
25th Jul 2025482 PMAQI
25th Jul 2025453 PMAQI
25th Jul 2025464 PMAQI
25th Jul 2025525 PMAQI
25th Jul 2025516 PMAQI
25th Jul 2025507 PMAQI
25th Jul 2025468 PMAQI
25th Jul 2025479 PMAQI
25th Jul 20254410 PMAQI
25th Jul 20254011 PMAQI
26th Jul 20254012 AMAQI
26th Jul 2025461 AMAQI
26th Jul 2025472 AMAQI
26th Jul 2025483 AMAQI
26th Jul 2025484 AMAQI
28°C27/29°C
26th Jul 2025475 AMAQI
26th Jul 2025466 AMAQI
26th Jul 2025477 AMAQI
26th Jul 2025328 AMAQI
26th Jul 2025279 AMAQI
26th Jul 20252610 AMAQI
26th Jul 20252911 AMAQI
26th Jul 20253412 PMAQI
26th Jul 2025391 PMAQI
26th Jul 2025422 PMAQI
26th Jul 2025423 PMAQI
26th Jul 2025394 PMAQI
26th Jul 2025385 PMAQI
26th Jul 2025396 PMAQI
26th Jul 2025487 PMAQI
26th Jul 2025458 PMAQI
26th Jul 2025469 PMAQI
26th Jul 20254810 PMAQI
26th Jul 20254511 PMAQI
27th Jul 20254512 AMAQI
27th Jul 2025471 AMAQI
27th Jul 2025482 AMAQI
27th Jul 2025483 AMAQI
27th Jul 2025444 AMAQI
28°C27/29°C
27th Jul 2025445 AMAQI
27th Jul 2025446 AMAQI
27th Jul 2025447 AMAQI
27th Jul 2025438 AMAQI
27th Jul 2025489 AMAQI
27th Jul 20254610 AMAQI
27th Jul 20253911 AMAQI
27th Jul 20253512 PMAQI
27th Jul 2025351 PMAQI
27th Jul 2025402 PMAQI
27th Jul 2025393 PMAQI
27th Jul 2025434 PMAQI
27th Jul 2025445 PMAQI
27th Jul 2025416 PMAQI
27th Jul 2025437 PMAQI
27th Jul 2025458 PMAQI
27th Jul 2025429 PMAQI
27th Jul 20254010 PMAQI
27th Jul 20254011 PMAQI
28th Jul 20254012 AMAQI
28th Jul 2025451 AMAQI
28th Jul 2025462 AMAQI
28th Jul 2025463 AMAQI
28th Jul 2025424 AMAQI
28°C26/30°C
28th Jul 2025445 AMAQI
28th Jul 2025436 AMAQI
28th Jul 2025437 AMAQI
28th Jul 2025358 AMAQI
28th Jul 2025349 AMAQI
28th Jul 20253510 AMAQI
28th Jul 20253411 AMAQI
28th Jul 20253312 PMAQI
28th Jul 2025321 PMAQI
28th Jul 2025312 PMAQI
28th Jul 2025323 PMAQI
28th Jul 2025354 PMAQI
28th Jul 2025385 PMAQI
28th Jul 2025426 PMAQI
28th Jul 2025447 PMAQI
28th Jul 2025458 PMAQI
28th Jul 2025439 PMAQI
28th Jul 20254310 PMAQI
28th Jul 20254511 PMAQI
29th Jul 20254212 AMAQI
29th Jul 2025431 AMAQI
29th Jul 2025442 AMAQI
29th Jul 2025423 AMAQI
29th Jul 2025424 AMAQI
28°C26/29°C
29th Jul 2025435 AMAQI
29th Jul 2025426 AMAQI
29th Jul 2025427 AMAQI
29th Jul 2025378 AMAQI
29th Jul 2025429 AMAQI
29th Jul 20253710 AMAQI
29th Jul 20253811 AMAQI
29th Jul 20253612 PMAQI
29th Jul 2025361 PMAQI
29th Jul 2025342 PMAQI
29th Jul 2025343 PMAQI
29th Jul 2025384 PMAQI
29th Jul 2025365 PMAQI
29th Jul 2025386 PMAQI
29th Jul 2025397 PMAQI
29th Jul 2025438 PMAQI
29th Jul 2025439 PMAQI
29th Jul 20254410 PMAQI
29th Jul 20254411 PMAQI
30th Jul 20254212 AMAQI
30th Jul 2025441 AMAQI
30th Jul 2025442 AMAQI
30th Jul 2025443 AMAQI
30th Jul 2025444 AMAQI
27°C26/30°C
30th Jul 2025465 AMAQI
30th Jul 2025446 AMAQI
30th Jul 2025447 AMAQI
30th Jul 2025288 AMAQI
30th Jul 2025269 AMAQI
30th Jul 20253010 AMAQI
30th Jul 20252911 AMAQI
30th Jul 20253312 PMAQI
30th Jul 2025321 PMAQI
30th Jul 2025262 PMAQI
30th Jul 2025243 PMAQI
30th Jul 2025254 PMAQI
30th Jul 2025245 PMAQI
30th Jul 2025246 PMAQI
30th Jul 2025297 PMAQI
30th Jul 2025378 PMAQI
30th Jul 2025369 PMAQI
30th Jul 20253410 PMAQI
30th Jul 20253311 PMAQI
31st Jul 20253412 AMAQI
31st Jul 2025421 AMAQI
31st Jul 2025452 AMAQI
31st Jul 2025473 AMAQI
31st Jul 2025484 AMAQI
25°C23/26°C
31st Jul 2025485 AMAQI
31st Jul 2025486 AMAQI
31st Jul 2025487 AMAQI
31st Jul 2025488 AMAQI
31st Jul 2025489 AMAQI
31st Jul 20253210 AMAQI
31st Jul 20253411 AMAQI
31st Jul 20253412 PMAQI
31st Jul 2025351 PMAQI
31st Jul 2025362 PMAQI
31st Jul 2025413 PMAQI
31st Jul 2025404 PMAQI
31st Jul 2025485 PMAQI
31st Jul 2025546 PMAQI
31st Jul 2025577 PMAQI
31st Jul 2025548 PMAQI
31st Jul 2025569 PMAQI
31st Jul 20255310 PMAQI
31st Jul 20255411 PMAQI
1st Aug 20255412 AMAQI
1st Aug 2025511 AMAQI
1st Aug 2025542 AMAQI
1st Aug 2025433 AMAQI
1st Aug 2025434 AMAQI
28°C24/30°C
1st Aug 2025435 AMAQI
1st Aug 2025486 AMAQI
1st Aug 2025557 AMAQI
1st Aug 2025578 AMAQI
1st Aug 2025649 AMAQI
1st Aug 20256410 AMAQI
1st Aug 20256311 AMAQI
1st Aug 20257512 PMAQI
1st Aug 2025591 PMAQI
1st Aug 2025572 PMAQI
1st Aug 2025563 PMAQI
1st Aug 2025564 PMAQI
1st Aug 2025555 PMAQI
1st Aug 2025566 PMAQI
1st Aug 2025547 PMAQI
1st Aug 2025548 PMAQI
1st Aug 2025569 PMAQI
1st Aug 20255810 PMAQI
1st Aug 20255811 PMAQI
2nd Aug 20255612 AMAQI
2nd Aug 2025541 AMAQI
2nd Aug 2025522 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025604 AMAQI
29°C27/31°C
2nd Aug 2025585 AMAQI
2nd Aug 2025576 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025638 AMAQI
2nd Aug 2025679 AMAQI
2nd Aug 20256410 AMAQI
2nd Aug 20255811 AMAQI
2nd Aug 20256812 PMAQI
2nd Aug 2025621 PMAQI
2nd Aug 2025672 PMAQI
2nd Aug 2025633 PMAQI
2nd Aug 2025624 PMAQI
2nd Aug 2025585 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025557 PMAQI
2nd Aug 2025538 PMAQI
2nd Aug 2025549 PMAQI
2nd Aug 20255510 PMAQI
2nd Aug 20255411 PMAQI
3rd Aug 20255412 AMAQI
3rd Aug 2025531 AMAQI
3rd Aug 2025532 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025564 AMAQI
29°C27/31°C
3rd Aug 2025565 AMAQI
3rd Aug 2025566 AMAQI
3rd Aug 2025567 AMAQI
3rd Aug 2025658 AMAQI
3rd Aug 2025629 AMAQI
3rd Aug 20256210 AMAQI
3rd Aug 20257011 AMAQI
3rd Aug 20256412 PMAQI
3rd Aug 2025671 PMAQI
3rd Aug 2025592 PMAQI
3rd Aug 2025623 PMAQI
3rd Aug 2025624 PMAQI
3rd Aug 2025605 PMAQI
3rd Aug 2025596 PMAQI
3rd Aug 2025567 PMAQI
3rd Aug 2025618 PMAQI
3rd Aug 2025579 PMAQI
3rd Aug 20255810 PMAQI
3rd Aug 20255611 PMAQI
4th Aug 20255512 AMAQI
4th Aug 2025541 AMAQI
4th Aug 2025542 AMAQI
4th Aug 2025563 AMAQI
4th Aug 2025554 AMAQI
29°C27/32°C
4th Aug 2025565 AMAQI
4th Aug 2025566 AMAQI
4th Aug 2025567 AMAQI
4th Aug 2025618 AMAQI
4th Aug 2025699 AMAQI
4th Aug 20258010 AMAQI
4th Aug 20257211 AMAQI
4th Aug 20257012 PMAQI
4th Aug 2025801 PMAQI
4th Aug 2025692 PMAQI
4th Aug 2025793 PMAQI
4th Aug 2025664 PMAQI
4th Aug 2025655 PMAQI
4th Aug 2025646 PMAQI
4th Aug 2025587 PMAQI
4th Aug 2025558 PMAQI
4th Aug 2025569 PMAQI
4th Aug 20255610 PMAQI
4th Aug 20255811 PMAQI
5th Aug 20255612 AMAQI
5th Aug 2025551 AMAQI
5th Aug 2025552 AMAQI
5th Aug 2025573 AMAQI
5th Aug 2025594 AMAQI
29°C28/32°C
5th Aug 2025585 AMAQI
5th Aug 2025586 AMAQI
5th Aug 2025597 AMAQI
5th Aug 2025548 AMAQI
5th Aug 2025509 AMAQI
5th Aug 20255010 AMAQI
5th Aug 20255111 AMAQI
5th Aug 20254812 PMAQI
5th Aug 2025521 PMAQI
5th Aug 2025462 PMAQI
5th Aug 2025533 PMAQI
5th Aug 2025514 PMAQI
5th Aug 2025565 PMAQI
5th Aug 2025516 PMAQI
5th Aug 2025547 PMAQI
5th Aug 2025548 PMAQI
5th Aug 2025549 PMAQI
5th Aug 20255610 PMAQI
5th Aug 20255611 PMAQI
6th Aug 20255412 AMAQI
6th Aug 2025551 AMAQI
6th Aug 2025552 AMAQI
6th Aug 2025543 AMAQI
6th Aug 2025544 AMAQI
30°C28/32°C
6th Aug 2025545 AMAQI
6th Aug 2025556 AMAQI
6th Aug 2025547 AMAQI
6th Aug 2025448 AMAQI
6th Aug 2025429 AMAQI
6th Aug 20254310 AMAQI
6th Aug 20255111 AMAQI
6th Aug 20254812 PMAQI
6th Aug 2025521 PMAQI
6th Aug 2025522 PMAQI
6th Aug 2025543 PMAQI
6th Aug 2025524 PMAQI
6th Aug 2025565 PMAQI
6th Aug 2025546 PMAQI
6th Aug 2025567 PMAQI
6th Aug 2025588 PMAQI
6th Aug 2025589 PMAQI
6th Aug 20255810 PMAQI
6th Aug 20255811 PMAQI
7th Aug 20256412 AMAQI
7th Aug 2025541 AMAQI
7th Aug 2025552 AMAQI
7th Aug 2025553 AMAQI
7th Aug 2025544 AMAQI
30°C28/33°C
7th Aug 2025545 AMAQI
5 AM7th Aug 2025546 AMAQI
7th Aug 2025547 AMAQI
7th Aug 2025538 AMAQI
7th Aug 2025599 AMAQI
7th Aug 20255310 AMAQI
7th Aug 20255511 AMAQI
11 AM7th Aug 20255412 PMAQI
7th Aug 2025541 PMAQI
7th Aug 2025532 PMAQI
7th Aug 2025503 PMAQI
7th Aug 2025444 PMAQI
6 PM
11 PM
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
48AQI
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. 48).
Night time
Avg. Highest Time
12 AM - 11 PM
53AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM - 11 PM
53AQI
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. 53), while the lowest AQI was between 12 AM to 11 PM (Avg. 53).
2025 Days Vs Air Quality
Haiyan Environmental Protection Building, Pinghu, Zhejiang, China
2025
9%
20
72%
157
17%
37
2%
4
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Good
20 DaysModerate
157 DaysPoor
37 DaysUnhealthy
4 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 9%
Health Risk Level:
Extreme
In 2025, 9% of 219 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
Haiyan Environmental Protection Building, Pinghu, 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
128AQI
128AQI
2nd January 2025
111AQI
111AQI
3rd January 2025
124AQI
124AQI
4th January 2025
98AQI
98AQI
5th January 2025
137AQI
137AQI
6th January 2025
128AQI
128AQI
7th January 2025
128AQI
128AQI
8th January 2025
131AQI
131AQI
9th January 2025
82AQI
82AQI
10th January 2025
98AQI
98AQI
11th January 2025
112AQI
112AQI
12th January 2025
127AQI
127AQI
13th January 2025
138AQI
138AQI
14th January 2025
144AQI
144AQI
15th January 2025
83AQI
83AQI
16th January 2025
105AQI
105AQI
17th January 2025
117AQI
117AQI
18th January 2025
131AQI
131AQI
19th January 2025
144AQI
144AQI
20th January 2025
168AQI
168AQI
21st January 2025
171AQI
171AQI
22nd January 2025
125AQI
125AQI
23rd January 2025
108AQI
108AQI
24th January 2025
94AQI
94AQI
25th January 2025
77AQI
77AQI
26th January 2025
90AQI
90AQI
27th January 2025
66AQI
66AQI
28th January 2025
78AQI
78AQI
29th January 2025
117AQI
117AQI
30th January 2025
96AQI
96AQI
31st January 2025
97AQI
97AQI
1st February 2025
63AQI
63AQI
2nd February 2025
106AQI
106AQI
3rd February 2025
121AQI
121AQI
4th February 2025
114AQI
114AQI
5th February 2025
95AQI
95AQI
6th February 2025
100AQI
100AQI
7th February 2025
76AQI
76AQI
8th February 2025
69AQI
69AQI
9th February 2025
81AQI
81AQI
10th February 2025
95AQI
95AQI
11th February 2025
70AQI
70AQI
12th February 2025
135AQI
135AQI
13th February 2025
93AQI
93AQI
14th February 2025
93AQI
93AQI
15th February 2025
96AQI
96AQI
16th February 2025
122AQI
122AQI
17th February 2025
95AQI
95AQI
18th February 2025
89AQI
89AQI
19th February 2025
91AQI
91AQI
20th February 2025
71AQI
71AQI
21st February 2025
70AQI
70AQI
22nd February 2025
97AQI
97AQI
23rd February 2025
116AQI
116AQI
24th February 2025
133AQI
133AQI
25th February 2025
145AQI
145AQI
26th February 2025
154AQI
154AQI
27th February 2025
146AQI
146AQI
28th February 2025
110AQI
110AQI
1st March 2025
96AQI
96AQI
2nd March 2025
89AQI
89AQI
3rd March 2025
67AQI
67AQI
4th March 2025
64AQI
64AQI
5th March 2025
64AQI
64AQI
6th March 2025
75AQI
75AQI
7th March 2025
86AQI
86AQI
8th March 2025
123AQI
123AQI
9th March 2025
79AQI
79AQI
10th March 2025
104AQI
104AQI
11th March 2025
102AQI
102AQI
12th March 2025
77AQI
77AQI
13th March 2025
72AQI
72AQI
14th March 2025
64AQI
64AQI
15th March 2025
55AQI
55AQI
16th March 2025
83AQI
83AQI
17th March 2025
71AQI
71AQI
18th March 2025
79AQI
79AQI
19th March 2025
83AQI
83AQI
20th March 2025
100AQI
100AQI
21st March 2025
83AQI
83AQI
22nd March 2025
97AQI
97AQI
23rd March 2025
96AQI
96AQI
24th March 2025
100AQI
100AQI
25th March 2025
101AQI
101AQI
26th March 2025
126AQI
126AQI
27th March 2025
106AQI
106AQI
28th March 2025
89AQI
89AQI
29th March 2025
94AQI
94AQI
30th March 2025
77AQI
77AQI
31st March 2025
71AQI
71AQI
1st April 2025
77AQI
77AQI
2nd April 2025
97AQI
97AQI
3rd April 2025
89AQI
89AQI
4th April 2025
89AQI
89AQI
5th April 2025
96AQI
96AQI
6th April 2025
104AQI
104AQI
7th April 2025
95AQI
95AQI
8th April 2025
97AQI
97AQI
9th April 2025
100AQI
100AQI
10th April 2025
100AQI
100AQI
11th April 2025
93AQI
93AQI
12th April 2025
161AQI
161AQI
13th April 2025
88AQI
88AQI
14th April 2025
93AQI
93AQI
15th April 2025
77AQI
77AQI
16th April 2025
83AQI
83AQI
17th April 2025
89AQI
89AQI
18th April 2025
94AQI
94AQI
19th April 2025
104AQI
104AQI
20th April 2025
98AQI
98AQI
21st April 2025
82AQI
82AQI
22nd April 2025
84AQI
84AQI
23rd April 2025
82AQI
82AQI
24th April 2025
103AQI
103AQI
25th April 2025
72AQI
72AQI
26th April 2025
77AQI
77AQI
27th April 2025
73AQI
73AQI
28th April 2025
84AQI
84AQI
29th April 2025
73AQI
73AQI
30th April 2025
85AQI
85AQI
1st May 2025
78AQI
78AQI
2nd May 2025
79AQI
79AQI
3rd May 2025
81AQI
81AQI
4th May 2025
65AQI
65AQI
5th May 2025
77AQI
77AQI
6th May 2025
98AQI
98AQI
7th May 2025
88AQI
88AQI
8th May 2025
76AQI
76AQI
9th May 2025
67AQI
67AQI
10th May 2025
64AQI
64AQI
11th May 2025
69AQI
69AQI
12th May 2025
76AQI
76AQI
13th May 2025
75AQI
75AQI
14th May 2025
75AQI
75AQI
15th May 2025
91AQI
91AQI
16th May 2025
89AQI
89AQI
17th May 2025
88AQI
88AQI
18th May 2025
90AQI
90AQI
19th May 2025
77AQI
77AQI
20th May 2025
76AQI
76AQI
21st May 2025
60AQI
60AQI
22nd May 2025
68AQI
68AQI
23rd May 2025
53AQI
53AQI
24th May 2025
82AQI
82AQI
25th May 2025
84AQI
84AQI
26th May 2025
81AQI
81AQI
27th May 2025
69AQI
69AQI
28th May 2025
73AQI
73AQI
29th May 2025
68AQI
68AQI
30th May 2025
85AQI
85AQI
31st May 2025
76AQI
76AQI
1st June 2025
58AQI
58AQI
2nd June 2025
58AQI
58AQI
3rd June 2025
69AQI
69AQI
4th June 2025
87AQI
87AQI
5th June 2025
66AQI
66AQI
6th June 2025
76AQI
76AQI
7th June 2025
75AQI
75AQI
8th June 2025
48AQI
48AQI
9th June 2025
65AQI
65AQI
10th June 2025
57AQI
57AQI
11th June 2025
62AQI
62AQI
12th June 2025
59AQI
59AQI
13th June 2025
54AQI
54AQI
14th June 2025
57AQI
57AQI
15th June 2025
49AQI
49AQI
16th June 2025
52AQI
52AQI
17th June 2025
60AQI
60AQI
18th June 2025
60AQI
60AQI
19th June 2025
58AQI
58AQI
20th June 2025
52AQI
52AQI
21st June 2025
55AQI
55AQI
22nd June 2025
54AQI
54AQI
23rd June 2025
51AQI
51AQI
24th June 2025
53AQI
53AQI
25th June 2025
60AQI
60AQI
26th June 2025
58AQI
58AQI
27th June 2025
56AQI
56AQI
28th June 2025
55AQI
55AQI
29th June 2025
55AQI
55AQI
30th June 2025
50AQI
50AQI
1st July 2025
51AQI
51AQI
2nd July 2025
55AQI
55AQI
3rd July 2025
56AQI
56AQI
4th July 2025
57AQI
57AQI
5th July 2025
58AQI
58AQI
6th July 2025
56AQI
56AQI
7th July 2025
47AQI
47AQI
8th July 2025
46AQI
46AQI
9th July 2025
48AQI
48AQI
10th July 2025
58AQI
58AQI
11th July 2025
51AQI
51AQI
12th July 2025
49AQI
49AQI
13th July 2025
57AQI
57AQI
14th July 2025
62AQI
62AQI
15th July 2025
66AQI
66AQI
16th July 2025
64AQI
64AQI
17th July 2025
62AQI
62AQI
18th July 2025
60AQI
60AQI
19th July 2025
49AQI
49AQI
20th July 2025
48AQI
48AQI
21st July 2025
45AQI
45AQI
22nd July 2025
44AQI
44AQI
23rd July 2025
42AQI
42AQI
24th July 2025
44AQI
44AQI
25th July 2025
46AQI
46AQI
26th July 2025
42AQI
42AQI
27th July 2025
43AQI
43AQI
28th July 2025
40AQI
40AQI
29th July 2025
40AQI
40AQI
30th July 2025
35AQI
35AQI
31st July 2025
46AQI
46AQI
1st August 2025
55AQI
55AQI
2nd August 2025
58AQI
58AQI
3rd August 2025
59AQI
59AQI
4th August 2025
61AQI
61AQI
5th August 2025
54AQI
54AQI
6th August 2025
53AQI
53AQI
115AQI
102AQI
86AQI
91AQI
77AQI
59AQI
51AQI
57AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202582AQI
11
18
2
17
10
1
25
6
26
3
1
31
3
27
17
14
6
20
157
37
4
Highest AQI recorded in
January115AQI
Lowest AQI recorded in
July51AQI
202470AQI
9
7
3
9
30
10
21
4
27
12
16
1
12
16
3
7
20
3
5
24
2
48
153
38
2
Highest AQI recorded in
December115AQI
Lowest AQI recorded in
July51AQI
202376AQI
3
30
1
33
1
Highest AQI recorded in
December76AQI
Lowest AQI recorded in
November75AQI
202275AQI
2
5
2
2
1
9
11
5
16
9
1
3
18
8
4
25
2
9
17
4
4
19
1
1
1
11
15
2
2
39
127
40
3
Highest AQI recorded in
February102AQI
Lowest AQI recorded in
September61AQI
202177AQI
7
11
2
7
15
13
18
11
19
1
5
24
1
11
11
1
3
19
6
1
1
8
12
9
51
121
32
12
Highest AQI recorded in
December123AQI
Lowest AQI recorded in
July54AQI
202075AQI
6
5
2
2
10
8
1
13
5
8
21
1
5
23
2
7
22
1
5
23
2
5
24
2
2
22
6
2
11
13
5
42
174
42
6
Highest AQI recorded in
December113AQI
Lowest AQI recorded in
March60AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
82AQILeast Polluted Year Recorded
2024(Avg.)
70AQIHaiyan Environmental Protection Building's annual 2025 AQI (82) shows an average percentage change of 9.7% (worsened AQI) compared to previous years: 2020 (75), 2021 (77), 2022 (75), 2023 (76), 2024 (70).
