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HistoryAQIPM2.5PM10COSO2NO2O3

Pingyang Monitoring Station, Ruian, 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

Pingyang Monitoring Station, Ruian, Zhejiang, China

2021
2022
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
31st Oct 2021
115AQI
Lowest AQI recorded on
20th Oct 2024
13AQI

Same Day Analysis (3rd October ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 3rd highest AQI at 40 of Good air quality, showing improvement over 2024 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

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

Pingyang Monitoring Station, Ruian, Zhejiang, China

AQI
Day
Night
.

5 AM3rd Oct 2025

5 PM

4 AM4th Oct 2025

Day time
Avg. Highest Time
12AMNaNth undefined

AQI

Avg. Lowest Time
12AMNaNth undefined

AQI

Night time
Avg. Highest Time
9PM3rd Oct

63AQI

Avg. Lowest Time
11AM3rd Oct

34AQI

In the last 24 hours,

Pingyang Monitoring Station's AQI reached its highest point of 63 at 9 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 3rd Oct and 4th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Pingyang Monitoring Station, Ruian, Zhejiang, China

SepOct
04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th
Day
Night
4th Sep 2025545 AMAQI
4th Sep 2025546 AMAQI
4th Sep 2025547 AMAQI
4th Sep 2025708 AMAQI
4th Sep 2025609 AMAQI
4th Sep 20256110 AMAQI
4th Sep 20256211 AMAQI
4th Sep 20256112 PMAQI
4th Sep 2025681 PMAQI
4th Sep 2025662 PMAQI
4th Sep 2025633 PMAQI
4th Sep 2025694 PMAQI
4th Sep 2025645 PMAQI
4th Sep 2025606 PMAQI
4th Sep 2025627 PMAQI
4th Sep 2025668 PMAQI
4th Sep 2025609 PMAQI
4th Sep 20255810 PMAQI
4th Sep 20256111 PMAQI
5th Sep 20256012 AMAQI
5th Sep 2025541 AMAQI
5th Sep 2025542 AMAQI
5th Sep 2025573 AMAQI
5th Sep 2025574 AMAQI

28°C24/32°C

5th Sep 2025575 AMAQI
5th Sep 2025576 AMAQI
5th Sep 2025577 AMAQI
5th Sep 2025748 AMAQI
5th Sep 2025729 AMAQI
5th Sep 20256710 AMAQI
5th Sep 20256511 AMAQI
5th Sep 20256412 PMAQI
5th Sep 2025621 PMAQI
5th Sep 2025602 PMAQI
5th Sep 2025593 PMAQI
5th Sep 2025594 PMAQI
5th Sep 2025585 PMAQI
5th Sep 2025646 PMAQI
5th Sep 2025607 PMAQI
5th Sep 2025628 PMAQI
5th Sep 2025589 PMAQI
5th Sep 20255810 PMAQI
5th Sep 20255711 PMAQI
6th Sep 20255412 AMAQI
6th Sep 2025591 AMAQI
6th Sep 2025612 AMAQI
6th Sep 2025623 AMAQI
6th Sep 2025604 AMAQI

28°C25/32°C

6th Sep 2025615 AMAQI
6th Sep 2025616 AMAQI
6th Sep 2025627 AMAQI
6th Sep 2025538 AMAQI
6th Sep 2025549 AMAQI
6th Sep 20254510 AMAQI
6th Sep 20255711 AMAQI
6th Sep 20255612 PMAQI
6th Sep 2025551 PMAQI
6th Sep 2025582 PMAQI
6th Sep 2025583 PMAQI
6th Sep 2025524 PMAQI
6th Sep 2025505 PMAQI
6th Sep 2025476 PMAQI
6th Sep 2025527 PMAQI
6th Sep 2025578 PMAQI
6th Sep 2025619 PMAQI
6th Sep 20256010 PMAQI
6th Sep 20255711 PMAQI
7th Sep 20255712 AMAQI
7th Sep 2025601 AMAQI
7th Sep 2025612 AMAQI
7th Sep 2025593 AMAQI
7th Sep 2025584 AMAQI

28°C25/32°C

7th Sep 2025605 AMAQI
7th Sep 2025586 AMAQI
7th Sep 2025597 AMAQI
7th Sep 2025608 AMAQI
7th Sep 2025629 AMAQI
7th Sep 20256310 AMAQI
7th Sep 20255511 AMAQI
7th Sep 20256312 PMAQI
7th Sep 2025601 PMAQI
7th Sep 2025602 PMAQI
7th Sep 2025583 PMAQI
7th Sep 2025694 PMAQI
7th Sep 2025725 PMAQI
7th Sep 2025826 PMAQI
7th Sep 2025717 PMAQI
7th Sep 2025648 PMAQI
7th Sep 2025619 PMAQI
7th Sep 20255810 PMAQI
7th Sep 20255611 PMAQI
8th Sep 20255812 AMAQI
8th Sep 2025601 AMAQI
8th Sep 2025602 AMAQI
8th Sep 2025593 AMAQI
8th Sep 2025614 AMAQI

29°C25/32°C

8th Sep 2025605 AMAQI
8th Sep 2025616 AMAQI
8th Sep 2025597 AMAQI
8th Sep 2025418 AMAQI
8th Sep 2025439 AMAQI
8th Sep 20253910 AMAQI
8th Sep 20255111 AMAQI
8th Sep 20254712 PMAQI
8th Sep 2025451 PMAQI
8th Sep 2025422 PMAQI
8th Sep 2025543 PMAQI
8th Sep 2025524 PMAQI
8th Sep 2025515 PMAQI
8th Sep 2025506 PMAQI
8th Sep 2025557 PMAQI
8th Sep 2025598 PMAQI
8th Sep 2025579 PMAQI
8th Sep 20255410 PMAQI
8th Sep 20255411 PMAQI
9th Sep 20255612 AMAQI
9th Sep 2025601 AMAQI
9th Sep 2025592 AMAQI
9th Sep 2025573 AMAQI
9th Sep 2025584 AMAQI

28°C25/32°C

9th Sep 2025575 AMAQI
9th Sep 2025576 AMAQI
9th Sep 2025577 AMAQI
9th Sep 2025408 AMAQI
9th Sep 2025429 AMAQI
9th Sep 20253810 AMAQI
9th Sep 20254311 AMAQI
9th Sep 20255012 PMAQI
9th Sep 2025421 PMAQI
9th Sep 2025502 PMAQI
9th Sep 2025433 PMAQI
9th Sep 2025484 PMAQI
9th Sep 2025485 PMAQI
9th Sep 2025486 PMAQI
9th Sep 2025507 PMAQI
9th Sep 2025528 PMAQI
9th Sep 2025529 PMAQI
9th Sep 20255310 PMAQI
9th Sep 20255211 PMAQI
10th Sep 20255512 AMAQI
10th Sep 2025581 AMAQI
10th Sep 2025602 AMAQI
10th Sep 2025583 AMAQI
10th Sep 2025584 AMAQI

29°C26/34°C

10th Sep 2025575 AMAQI
10th Sep 2025586 AMAQI
10th Sep 2025577 AMAQI
10th Sep 2025388 AMAQI
10th Sep 2025339 AMAQI
10th Sep 20254010 AMAQI
10th Sep 20255011 AMAQI
10th Sep 20255012 PMAQI
10th Sep 2025511 PMAQI
10th Sep 2025532 PMAQI
10th Sep 2025533 PMAQI
10th Sep 2025554 PMAQI
10th Sep 2025545 PMAQI
10th Sep 2025546 PMAQI
10th Sep 2025577 PMAQI
10th Sep 2025568 PMAQI
10th Sep 2025559 PMAQI
10th Sep 20255710 PMAQI
10th Sep 20255211 PMAQI
11th Sep 20255512 AMAQI
11th Sep 2025571 AMAQI
11th Sep 2025572 AMAQI
11th Sep 2025563 AMAQI
11th Sep 2025564 AMAQI

26°C25/29°C

11th Sep 2025555 AMAQI
11th Sep 2025566 AMAQI
11th Sep 2025557 AMAQI
11th Sep 2025518 AMAQI
11th Sep 2025509 AMAQI
11th Sep 20255310 AMAQI
11th Sep 20255911 AMAQI
11th Sep 20255912 PMAQI
11th Sep 2025611 PMAQI
11th Sep 2025562 PMAQI
11th Sep 2025553 PMAQI
11th Sep 2025544 PMAQI
11th Sep 2025595 PMAQI
11th Sep 2025606 PMAQI
11th Sep 2025567 PMAQI
11th Sep 2025578 PMAQI
11th Sep 2025569 PMAQI
11th Sep 20255710 PMAQI
11th Sep 20255711 PMAQI
12th Sep 20255712 AMAQI
12th Sep 2025561 AMAQI
12th Sep 2025562 AMAQI
12th Sep 2025563 AMAQI
12th Sep 2025564 AMAQI

27°C25/30°C

12th Sep 2025575 AMAQI
12th Sep 2025576 AMAQI
12th Sep 2025567 AMAQI
12th Sep 2025638 AMAQI
12th Sep 2025579 AMAQI
12th Sep 20255610 AMAQI
12th Sep 20255811 AMAQI
12th Sep 20255812 PMAQI
12th Sep 2025541 PMAQI
12th Sep 2025582 PMAQI
12th Sep 2025543 PMAQI
12th Sep 2025534 PMAQI
12th Sep 2025545 PMAQI
12th Sep 2025496 PMAQI
12th Sep 2025537 PMAQI
12th Sep 2025658 PMAQI
12th Sep 2025669 PMAQI
12th Sep 20256010 PMAQI
12th Sep 20255711 PMAQI
13th Sep 20255712 AMAQI
13th Sep 2025561 AMAQI
13th Sep 2025572 AMAQI
13th Sep 2025563 AMAQI
13th Sep 2025574 AMAQI

27°C24/31°C

13th Sep 2025575 AMAQI
13th Sep 2025576 AMAQI
13th Sep 2025577 AMAQI
13th Sep 2025698 AMAQI
13th Sep 2025649 AMAQI
13th Sep 20256210 AMAQI
13th Sep 20257011 AMAQI
13th Sep 20258112 PMAQI
13th Sep 2025741 PMAQI
13th Sep 2025802 PMAQI
13th Sep 2025673 PMAQI
13th Sep 2025594 PMAQI
13th Sep 2025615 PMAQI
13th Sep 2025616 PMAQI
13th Sep 2025567 PMAQI
13th Sep 2025608 PMAQI
13th Sep 2025609 PMAQI
13th Sep 20255610 PMAQI
13th Sep 20255311 PMAQI
14th Sep 20255212 AMAQI
14th Sep 2025571 AMAQI
14th Sep 2025582 AMAQI
14th Sep 2025583 AMAQI
14th Sep 2025604 AMAQI

28°C25/33°C

14th Sep 2025635 AMAQI
14th Sep 2025606 AMAQI
14th Sep 2025597 AMAQI
14th Sep 2025468 AMAQI
14th Sep 2025449 AMAQI
14th Sep 20254710 AMAQI
14th Sep 20255311 AMAQI
14th Sep 20255512 PMAQI
14th Sep 2025551 PMAQI
14th Sep 2025552 PMAQI
14th Sep 2025563 PMAQI
14th Sep 2025584 PMAQI
14th Sep 2025525 PMAQI
14th Sep 2025526 PMAQI
14th Sep 2025557 PMAQI
14th Sep 2025598 PMAQI
14th Sep 2025589 PMAQI
14th Sep 20255810 PMAQI
14th Sep 20255711 PMAQI
15th Sep 20255712 AMAQI
15th Sep 2025591 AMAQI
15th Sep 2025562 AMAQI
15th Sep 2025583 AMAQI
15th Sep 2025584 AMAQI

28°C25/32°C

15th Sep 2025565 AMAQI
15th Sep 2025576 AMAQI
15th Sep 2025567 AMAQI
15th Sep 2025618 AMAQI
15th Sep 2025609 AMAQI
15th Sep 20256610 AMAQI
15th Sep 20256211 AMAQI
15th Sep 20256412 PMAQI
15th Sep 2025671 PMAQI
15th Sep 2025642 PMAQI
15th Sep 2025623 PMAQI
15th Sep 2025604 PMAQI
15th Sep 2025635 PMAQI
15th Sep 2025696 PMAQI
15th Sep 2025687 PMAQI
15th Sep 2025588 PMAQI
15th Sep 2025579 PMAQI
15th Sep 20255610 PMAQI
15th Sep 20255711 PMAQI
16th Sep 20255612 AMAQI
16th Sep 2025561 AMAQI
16th Sep 2025562 AMAQI
16th Sep 2025573 AMAQI
16th Sep 2025584 AMAQI

28°C25/31°C

16th Sep 2025585 AMAQI
16th Sep 2025586 AMAQI
16th Sep 2025587 AMAQI
16th Sep 2025448 AMAQI
16th Sep 2025389 AMAQI
16th Sep 20253810 AMAQI
16th Sep 20253711 AMAQI
16th Sep 20254612 PMAQI
16th Sep 2025501 PMAQI
16th Sep 2025502 PMAQI
16th Sep 2025423 PMAQI
16th Sep 2025404 PMAQI
16th Sep 2025435 PMAQI
16th Sep 2025426 PMAQI
16th Sep 2025567 PMAQI
16th Sep 2025578 PMAQI
16th Sep 2025569 PMAQI
16th Sep 20255610 PMAQI
16th Sep 20255211 PMAQI
17th Sep 20255212 AMAQI
17th Sep 2025561 AMAQI
17th Sep 2025572 AMAQI
17th Sep 2025563 AMAQI
17th Sep 2025564 AMAQI

28°C25/32°C

17th Sep 2025565 AMAQI
17th Sep 2025566 AMAQI
17th Sep 2025557 AMAQI
17th Sep 2025518 AMAQI
17th Sep 2025389 AMAQI
17th Sep 20254610 AMAQI
17th Sep 20254711 AMAQI
17th Sep 20254612 PMAQI
17th Sep 2025481 PMAQI
17th Sep 2025562 PMAQI
17th Sep 2025583 PMAQI
17th Sep 2025574 PMAQI
17th Sep 2025595 PMAQI
17th Sep 2025586 PMAQI
17th Sep 2025567 PMAQI
17th Sep 2025558 PMAQI
17th Sep 2025569 PMAQI
17th Sep 20255510 PMAQI
17th Sep 20255411 PMAQI
18th Sep 20255112 AMAQI
18th Sep 2025571 AMAQI
18th Sep 2025562 AMAQI
18th Sep 2025563 AMAQI
18th Sep 2025554 AMAQI

28°C24/32°C

18th Sep 2025565 AMAQI
18th Sep 2025556 AMAQI
18th Sep 2025567 AMAQI
18th Sep 2025498 AMAQI
18th Sep 2025469 AMAQI
18th Sep 20253710 AMAQI
18th Sep 20253411 AMAQI
18th Sep 20253612 PMAQI
18th Sep 2025441 PMAQI
18th Sep 2025412 PMAQI
18th Sep 2025483 PMAQI
18th Sep 2025524 PMAQI
18th Sep 2025535 PMAQI
18th Sep 2025596 PMAQI
18th Sep 2025547 PMAQI
18th Sep 2025558 PMAQI
18th Sep 2025539 PMAQI
18th Sep 20255210 PMAQI
18th Sep 20254711 PMAQI
19th Sep 20254212 AMAQI
19th Sep 2025561 AMAQI
19th Sep 2025572 AMAQI
19th Sep 2025553 AMAQI
19th Sep 2025534 AMAQI

27°C25/32°C

19th Sep 2025535 AMAQI
19th Sep 2025536 AMAQI
19th Sep 2025537 AMAQI
19th Sep 2025328 AMAQI
19th Sep 2025309 AMAQI
19th Sep 20254810 AMAQI
19th Sep 20255411 AMAQI
19th Sep 20255812 PMAQI
19th Sep 2025581 PMAQI
19th Sep 2025592 PMAQI
19th Sep 2025573 PMAQI
19th Sep 2025584 PMAQI
19th Sep 2025585 PMAQI
19th Sep 2025526 PMAQI
19th Sep 2025517 PMAQI
19th Sep 2025498 PMAQI
19th Sep 2025469 PMAQI
19th Sep 20255010 PMAQI
19th Sep 20254411 PMAQI
20th Sep 20254412 AMAQI
20th Sep 2025541 AMAQI
20th Sep 2025542 AMAQI
20th Sep 2025533 AMAQI
20th Sep 2025524 AMAQI

27°C24/29°C

20th Sep 2025525 AMAQI
20th Sep 2025526 AMAQI
20th Sep 2025527 AMAQI
20th Sep 2025478 AMAQI
20th Sep 2025379 AMAQI
20th Sep 20253710 AMAQI
20th Sep 20254011 AMAQI
20th Sep 20254312 PMAQI
20th Sep 2025451 PMAQI
20th Sep 2025522 PMAQI
20th Sep 2025483 PMAQI
20th Sep 2025534 PMAQI
20th Sep 2025555 PMAQI
20th Sep 2025536 PMAQI
20th Sep 2025567 PMAQI
20th Sep 2025548 PMAQI
20th Sep 2025589 PMAQI
20th Sep 20255610 PMAQI
20th Sep 20255611 PMAQI
21st Sep 20255112 AMAQI
21st Sep 2025521 AMAQI
21st Sep 2025522 AMAQI
21st Sep 2025513 AMAQI
21st Sep 2025484 AMAQI

26°C25/29°C

21st Sep 2025505 AMAQI
21st Sep 2025486 AMAQI
21st Sep 2025497 AMAQI
21st Sep 2025308 AMAQI
21st Sep 2025229 AMAQI
21st Sep 20253010 AMAQI
21st Sep 20253411 AMAQI
21st Sep 20253112 PMAQI
21st Sep 2025521 PMAQI
21st Sep 2025492 PMAQI
21st Sep 2025523 PMAQI
21st Sep 2025544 PMAQI
21st Sep 2025545 PMAQI
21st Sep 2025446 PMAQI
21st Sep 2025507 PMAQI
21st Sep 2025518 PMAQI
21st Sep 2025489 PMAQI
21st Sep 20255110 PMAQI
21st Sep 20255211 PMAQI
22nd Sep 20255312 AMAQI
22nd Sep 2025521 AMAQI
22nd Sep 2025512 AMAQI
22nd Sep 2025503 AMAQI
22nd Sep 2025464 AMAQI

25°C24/28°C

22nd Sep 2025475 AMAQI
22nd Sep 2025456 AMAQI
22nd Sep 2025457 AMAQI
22nd Sep 2025488 AMAQI
22nd Sep 2025439 AMAQI
22nd Sep 20254410 AMAQI
22nd Sep 20254511 AMAQI
22nd Sep 20254512 PMAQI
22nd Sep 2025521 PMAQI
22nd Sep 2025602 PMAQI
22nd Sep 2025593 PMAQI
22nd Sep 2025604 PMAQI
22nd Sep 2025565 PMAQI
22nd Sep 2025546 PMAQI
22nd Sep 2025547 PMAQI
22nd Sep 2025558 PMAQI
22nd Sep 2025529 PMAQI
22nd Sep 20255310 PMAQI
22nd Sep 20254811 PMAQI
23rd Sep 20255312 AMAQI
23rd Sep 2025501 AMAQI
23rd Sep 2025502 AMAQI
23rd Sep 2025503 AMAQI
23rd Sep 2025514 AMAQI

26°C24/29°C

23rd Sep 2025525 AMAQI
23rd Sep 2025526 AMAQI
23rd Sep 2025527 AMAQI
23rd Sep 2025568 AMAQI
23rd Sep 2025589 AMAQI
23rd Sep 20255510 AMAQI
23rd Sep 20255811 AMAQI
23rd Sep 20255112 PMAQI
23rd Sep 2025401 PMAQI
23rd Sep 2025422 PMAQI
23rd Sep 2025403 PMAQI
23rd Sep 2025384 PMAQI
23rd Sep 2025425 PMAQI
23rd Sep 2025346 PMAQI
23rd Sep 2025467 PMAQI
23rd Sep 2025528 PMAQI
23rd Sep 2025529 PMAQI
23rd Sep 20255010 PMAQI
23rd Sep 20255111 PMAQI
24th Sep 20255212 AMAQI
24th Sep 2025531 AMAQI
24th Sep 2025522 AMAQI
24th Sep 2025533 AMAQI
24th Sep 2025524 AMAQI

25°C23/27°C

24th Sep 2025525 AMAQI
24th Sep 2025526 AMAQI
24th Sep 2025527 AMAQI
24th Sep 2025488 AMAQI
24th Sep 2025489 AMAQI
24th Sep 20254710 AMAQI
24th Sep 20255211 AMAQI
24th Sep 20255012 PMAQI
24th Sep 2025521 PMAQI
24th Sep 2025492 PMAQI
24th Sep 2025493 PMAQI
24th Sep 2025504 PMAQI
24th Sep 2025505 PMAQI
24th Sep 2025506 PMAQI
24th Sep 2025547 PMAQI
24th Sep 2025548 PMAQI
24th Sep 2025529 PMAQI
24th Sep 20254510 PMAQI
24th Sep 20254211 PMAQI
25th Sep 20253812 AMAQI
25th Sep 2025501 AMAQI
25th Sep 2025522 AMAQI
25th Sep 2025523 AMAQI
25th Sep 2025544 AMAQI

26°C24/28°C

25th Sep 2025545 AMAQI
25th Sep 2025536 AMAQI
25th Sep 2025537 AMAQI
25th Sep 2025398 AMAQI
25th Sep 2025329 AMAQI
25th Sep 20252810 AMAQI
25th Sep 20252911 AMAQI
25th Sep 20253812 PMAQI
25th Sep 2025391 PMAQI
25th Sep 2025372 PMAQI
25th Sep 2025373 PMAQI
25th Sep 2025374 PMAQI
25th Sep 2025375 PMAQI
25th Sep 2025466 PMAQI
25th Sep 2025527 PMAQI
25th Sep 2025538 PMAQI
25th Sep 2025459 PMAQI
25th Sep 20253710 PMAQI
25th Sep 20252811 PMAQI
26th Sep 20252912 AMAQI
26th Sep 2025311 AMAQI
26th Sep 2025282 AMAQI
26th Sep 2025343 AMAQI
26th Sep 2025394 AMAQI

26°C24/30°C

26th Sep 2025355 AMAQI
26th Sep 2025356 AMAQI
26th Sep 2025427 AMAQI
26th Sep 2025448 AMAQI
26th Sep 2025459 AMAQI
26th Sep 20253410 AMAQI
26th Sep 20253211 AMAQI
26th Sep 20253712 PMAQI
26th Sep 2025391 PMAQI
26th Sep 2025352 PMAQI
26th Sep 2025383 PMAQI
26th Sep 2025424 PMAQI
26th Sep 2025465 PMAQI
26th Sep 2025516 PMAQI
26th Sep 2025567 PMAQI
26th Sep 2025568 PMAQI
26th Sep 2025509 PMAQI
26th Sep 20254110 PMAQI
26th Sep 20253311 PMAQI
27th Sep 20252812 AMAQI
27th Sep 2025221 AMAQI
27th Sep 2025262 AMAQI
27th Sep 2025183 AMAQI
27th Sep 2025204 AMAQI

26°C24/30°C

27th Sep 2025285 AMAQI
27th Sep 2025286 AMAQI
27th Sep 2025287 AMAQI
27th Sep 2025258 AMAQI
27th Sep 2025169 AMAQI
27th Sep 20251610 AMAQI
27th Sep 20252011 AMAQI
27th Sep 20253212 PMAQI
27th Sep 2025401 PMAQI
27th Sep 2025442 PMAQI
27th Sep 2025443 PMAQI
27th Sep 2025464 PMAQI
27th Sep 2025515 PMAQI
27th Sep 2025536 PMAQI
27th Sep 2025547 PMAQI
27th Sep 2025548 PMAQI
27th Sep 2025509 PMAQI
27th Sep 20254710 PMAQI
27th Sep 20253911 PMAQI
28th Sep 20253412 AMAQI
28th Sep 2025321 AMAQI
28th Sep 2025342 AMAQI
28th Sep 2025403 AMAQI
28th Sep 2025464 AMAQI

27°C24/30°C

28th Sep 2025515 AMAQI
28th Sep 2025566 AMAQI
28th Sep 2025667 AMAQI
28th Sep 2025668 AMAQI
28th Sep 2025619 AMAQI
28th Sep 20254910 AMAQI
28th Sep 20253911 AMAQI
28th Sep 20254012 PMAQI
28th Sep 2025471 PMAQI
28th Sep 2025562 PMAQI
28th Sep 2025563 PMAQI
28th Sep 2025534 PMAQI
28th Sep 2025535 PMAQI
28th Sep 2025526 PMAQI
28th Sep 2025487 PMAQI
28th Sep 2025468 PMAQI
28th Sep 2025379 PMAQI
28th Sep 20253310 PMAQI
28th Sep 20253211 PMAQI
29th Sep 20252812 AMAQI
29th Sep 2025331 AMAQI
29th Sep 2025392 AMAQI
29th Sep 2025433 AMAQI
29th Sep 2025444 AMAQI

27°C24/31°C

29th Sep 2025495 AMAQI
29th Sep 2025416 AMAQI
29th Sep 2025437 AMAQI
29th Sep 2025498 AMAQI
29th Sep 2025549 AMAQI
29th Sep 20255910 AMAQI
29th Sep 20256011 AMAQI
29th Sep 20255712 PMAQI
29th Sep 2025581 PMAQI
29th Sep 2025602 PMAQI
29th Sep 2025623 PMAQI
29th Sep 2025644 PMAQI
29th Sep 2025645 PMAQI
29th Sep 2025616 PMAQI
29th Sep 2025637 PMAQI
29th Sep 2025618 PMAQI
29th Sep 2025589 PMAQI
29th Sep 20255510 PMAQI
29th Sep 20254811 PMAQI
30th Sep 20253712 AMAQI
30th Sep 2025451 AMAQI
30th Sep 2025402 AMAQI
30th Sep 2025343 AMAQI
30th Sep 2025324 AMAQI

27°C24/31°C

30th Sep 2025335 AMAQI
30th Sep 2025336 AMAQI
30th Sep 2025397 AMAQI
30th Sep 2025468 AMAQI
30th Sep 2025539 AMAQI
30th Sep 20255310 AMAQI
30th Sep 20254911 AMAQI
30th Sep 20254812 PMAQI
30th Sep 2025561 PMAQI
30th Sep 2025622 PMAQI
30th Sep 2025603 PMAQI
30th Sep 2025644 PMAQI
30th Sep 2025735 PMAQI
30th Sep 2025656 PMAQI
30th Sep 2025637 PMAQI
30th Sep 2025718 PMAQI
30th Sep 2025559 PMAQI
30th Sep 20254610 PMAQI
30th Sep 20254411 PMAQI
1st Oct 20254612 AMAQI
1st Oct 2025431 AMAQI
1st Oct 2025472 AMAQI
1st Oct 2025453 AMAQI
1st Oct 2025414 AMAQI

27°C25/31°C

1st Oct 2025515 AMAQI
1st Oct 2025546 AMAQI
1st Oct 2025517 AMAQI
1st Oct 2025428 AMAQI
1st Oct 2025229 AMAQI
1st Oct 20252110 AMAQI
1st Oct 20252711 AMAQI
1st Oct 20253212 PMAQI
1st Oct 2025381 PMAQI
1st Oct 2025432 PMAQI
1st Oct 2025443 PMAQI
1st Oct 2025444 PMAQI
1st Oct 2025515 PMAQI
1st Oct 2025526 PMAQI
1st Oct 2025587 PMAQI
1st Oct 2025678 PMAQI
1st Oct 2025649 PMAQI
1st Oct 20256210 PMAQI
1st Oct 20255611 PMAQI
2nd Oct 20255012 AMAQI
2nd Oct 2025551 AMAQI
2nd Oct 2025552 AMAQI
2nd Oct 2025573 AMAQI
2nd Oct 2025564 AMAQI

27°C25/30°C

2nd Oct 2025585 AMAQI
2nd Oct 2025626 AMAQI
2nd Oct 2025647 AMAQI
2nd Oct 2025678 AMAQI
2nd Oct 2025699 AMAQI
2nd Oct 20256510 AMAQI
2nd Oct 20256111 AMAQI
2nd Oct 20255912 PMAQI
2nd Oct 2025551 PMAQI
2nd Oct 2025552 PMAQI
2nd Oct 2025483 PMAQI
2nd Oct 2025444 PMAQI
2nd Oct 2025475 PMAQI
2nd Oct 2025486 PMAQI
2nd Oct 2025487 PMAQI
2nd Oct 2025488 PMAQI
2nd Oct 2025449 PMAQI
2nd Oct 20254110 PMAQI
2nd Oct 20254111 PMAQI
3rd Oct 20253812 AMAQI
3rd Oct 2025371 AMAQI
3rd Oct 2025332 AMAQI
3rd Oct 2025343 AMAQI
3rd Oct 2025334 AMAQI

27°C25/30°C

3rd Oct 2025355 AMAQI
3rd Oct 2025366 AMAQI
3rd Oct 2025397 AMAQI
3rd Oct 2025428 AMAQI
3rd Oct 2025449 AMAQI
3rd Oct 20253910 AMAQI
3rd Oct 20253411 AMAQI
3rd Oct 20254312 PMAQI
3rd Oct 2025441 PMAQI
3rd Oct 2025472 PMAQI
3rd Oct 2025463 PMAQI
3rd Oct 2025494 PMAQI
3rd Oct 2025565 PMAQI
3rd Oct 2025586 PMAQI
3rd Oct 2025487 PMAQI
3rd Oct 2025618 PMAQI
3rd Oct 2025639 PMAQI
3rd Oct 20255610 PMAQI
3rd Oct 20255211 PMAQI
4th Oct 20254912 AMAQI
4th Oct 2025421 AMAQI
4th Oct 2025412 AMAQI
4th Oct 2025443 AMAQI

--°C/°C

5 AM
11 AM
5 PM
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
1 PM - 5 PM

53AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
9 AM - 10 AM

47AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 5 PM (Avg. 53), while the lowest AQI was between 9 AM to 10 AM (Avg. 47).
Night time
Avg. Highest Time
8 PM

57AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
12 AM

48AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 8 PM (Avg. 57), while the lowest AQI was between 12 AM to 12 AM (Avg. 48).

2025 Days Vs Air Quality

Pingyang Monitoring Station, Ruian, Zhejiang, China

2025

20%

56

65%

179

15%

41

Total number of days with different AQI categories in last 276 days in 2025 (89 days remaining)

Good
56 Days
Moderate
179 Days
Poor
41 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 276 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

Pingyang Monitoring Station, Ruian, 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
113AQI
2nd January 2025
99AQI
3rd January 2025
110AQI
4th January 2025
100AQI
5th January 2025
112AQI
6th January 2025
128AQI
7th January 2025
135AQI
8th January 2025
125AQI
9th January 2025
115AQI
10th January 2025
92AQI
11th January 2025
95AQI
12th January 2025
101AQI
13th January 2025
111AQI
14th January 2025
109AQI
15th January 2025
131AQI
16th January 2025
90AQI
17th January 2025
112AQI
18th January 2025
102AQI
19th January 2025
102AQI
20th January 2025
118AQI
21st January 2025
143AQI
22nd January 2025
133AQI
23rd January 2025
116AQI
24th January 2025
92AQI
25th January 2025
81AQI
26th January 2025
72AQI
27th January 2025
64AQI
28th January 2025
74AQI
29th January 2025
104AQI
30th January 2025
86AQI
31st January 2025
93AQI
1st February 2025
65AQI
2nd February 2025
58AQI
3rd February 2025
93AQI
4th February 2025
104AQI
5th February 2025
97AQI
6th February 2025
110AQI
7th February 2025
84AQI
8th February 2025
72AQI
9th February 2025
79AQI
10th February 2025
89AQI
11th February 2025
93AQI
12th February 2025
104AQI
13th February 2025
135AQI
14th February 2025
111AQI
15th February 2025
128AQI
16th February 2025
115AQI
17th February 2025
122AQI
18th February 2025
79AQI
19th February 2025
93AQI
20th February 2025
64AQI
21st February 2025
65AQI
22nd February 2025
72AQI
23rd February 2025
70AQI
24th February 2025
128AQI
25th February 2025
132AQI
26th February 2025
140AQI
27th February 2025
134AQI
28th February 2025
107AQI
1st March 2025
104AQI
2nd March 2025
92AQI
3rd March 2025
90AQI
4th March 2025
69AQI
5th March 2025
68AQI
6th March 2025
62AQI
7th March 2025
78AQI
8th March 2025
89AQI
9th March 2025
90AQI
10th March 2025
84AQI
11th March 2025
109AQI
12th March 2025
87AQI
13th March 2025
67AQI
14th March 2025
72AQI
15th March 2025
47AQI
16th March 2025
70AQI
17th March 2025
76AQI
18th March 2025
79AQI
19th March 2025
86AQI
20th March 2025
96AQI
21st March 2025
80AQI
22nd March 2025
87AQI
23rd March 2025
91AQI
24th March 2025
110AQI
25th March 2025
121AQI
26th March 2025
114AQI
27th March 2025
113AQI
28th March 2025
78AQI
29th March 2025
81AQI
30th March 2025
66AQI
31st March 2025
65AQI
1st April 2025
69AQI
2nd April 2025
79AQI
3rd April 2025
88AQI
4th April 2025
91AQI
5th April 2025
88AQI
6th April 2025
93AQI
7th April 2025
86AQI
8th April 2025
92AQI
9th April 2025
107AQI
10th April 2025
83AQI
11th April 2025
88AQI
12th April 2025
101AQI
13th April 2025
88AQI
14th April 2025
96AQI
15th April 2025
84AQI
16th April 2025
87AQI
17th April 2025
103AQI
18th April 2025
97AQI
19th April 2025
80AQI
20th April 2025
92AQI
21st April 2025
88AQI
22nd April 2025
89AQI
23rd April 2025
71AQI
24th April 2025
72AQI
25th April 2025
56AQI
26th April 2025
67AQI
27th April 2025
67AQI
28th April 2025
75AQI
29th April 2025
70AQI
30th April 2025
71AQI
1st May 2025
74AQI
2nd May 2025
76AQI
3rd May 2025
82AQI
4th May 2025
66AQI
5th May 2025
75AQI
6th May 2025
78AQI
7th May 2025
91AQI
8th May 2025
70AQI
9th May 2025
71AQI
10th May 2025
63AQI
11th May 2025
68AQI
12th May 2025
69AQI
13th May 2025
66AQI
14th May 2025
67AQI
15th May 2025
68AQI
16th May 2025
70AQI
17th May 2025
70AQI
18th May 2025
53AQI
19th May 2025
66AQI
20th May 2025
64AQI
21st May 2025
51AQI
22nd May 2025
62AQI
23rd May 2025
60AQI
24th May 2025
69AQI
25th May 2025
90AQI
26th May 2025
82AQI
27th May 2025
70AQI
28th May 2025
62AQI
29th May 2025
54AQI
30th May 2025
67AQI
31st May 2025
72AQI
1st June 2025
68AQI
2nd June 2025
75AQI
3rd June 2025
58AQI
4th June 2025
72AQI
5th June 2025
57AQI
6th June 2025
64AQI
7th June 2025
69AQI
8th June 2025
61AQI
9th June 2025
65AQI
10th June 2025
54AQI
11th June 2025
47AQI
12th June 2025
48AQI
13th June 2025
47AQI
14th June 2025
54AQI
15th June 2025
49AQI
16th June 2025
49AQI
17th June 2025
55AQI
18th June 2025
54AQI
19th June 2025
52AQI
20th June 2025
50AQI
21st June 2025
56AQI
22nd June 2025
67AQI
23rd June 2025
60AQI
24th June 2025
58AQI
25th June 2025
61AQI
26th June 2025
60AQI
27th June 2025
59AQI
28th June 2025
49AQI
29th June 2025
52AQI
30th June 2025
48AQI
1st July 2025
46AQI
2nd July 2025
48AQI
3rd July 2025
50AQI
4th July 2025
52AQI
5th July 2025
49AQI
6th July 2025
46AQI
7th July 2025
40AQI
8th July 2025
42AQI
9th July 2025
44AQI
10th July 2025
50AQI
11th July 2025
50AQI
12th July 2025
47AQI
13th July 2025
53AQI
14th July 2025
56AQI
15th July 2025
58AQI
16th July 2025
61AQI
17th July 2025
64AQI
18th July 2025
58AQI
19th July 2025
47AQI
20th July 2025
45AQI
21st July 2025
38AQI
22nd July 2025
40AQI
23rd July 2025
43AQI
24th July 2025
40AQI
25th July 2025
36AQI
26th July 2025
38AQI
27th July 2025
40AQI
28th July 2025
39AQI
29th July 2025
41AQI
30th July 2025
43AQI
31st July 2025
50AQI
1st August 2025
56AQI
2nd August 2025
60AQI
3rd August 2025
60AQI
4th August 2025
58AQI
5th August 2025
53AQI
6th August 2025
54AQI
7th August 2025
55AQI
8th August 2025
63AQI
9th August 2025
63AQI
10th August 2025
63AQI
11th August 2025
63AQI
12th August 2025
61AQI
13th August 2025
50AQI
14th August 2025
43AQI
15th August 2025
41AQI
16th August 2025
42AQI
17th August 2025
45AQI
18th August 2025
44AQI
19th August 2025
47AQI
20th August 2025
54AQI
21st August 2025
54AQI
22nd August 2025
53AQI
23rd August 2025
52AQI
24th August 2025
52AQI
25th August 2025
51AQI
26th August 2025
53AQI
27th August 2025
47AQI
28th August 2025
43AQI
29th August 2025
43AQI
30th August 2025
46AQI
31st August 2025
50AQI
1st September 2025
55AQI
2nd September 2025
53AQI
3rd September 2025
55AQI
4th September 2025
60AQI
5th September 2025
60AQI
6th September 2025
57AQI
7th September 2025
62AQI
8th September 2025
54AQI
9th September 2025
51AQI
10th September 2025
54AQI
11th September 2025
56AQI
12th September 2025
57AQI
13th September 2025
61AQI
14th September 2025
56AQI
15th September 2025
60AQI
16th September 2025
51AQI
17th September 2025
54AQI
18th September 2025
51AQI
19th September 2025
51AQI
20th September 2025
51AQI
21st September 2025
47AQI
22nd September 2025
51AQI
23rd September 2025
49AQI
24th September 2025
50AQI
25th September 2025
43AQI
26th September 2025
38AQI
27th September 2025
35AQI
28th September 2025
45AQI
29th September 2025
48AQI
30th September 2025
49AQI
1st October 2025
47AQI
2nd October 2025
52AQI
3rd October 2025
40AQI
4th October 2025
5th October 2025
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

105AQI

98AQI

85AQI

84AQI

69AQI

57AQI

47AQI

52AQI

52AQI

46AQI

No. of days

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

202572AQI

12
19
15
13
1
24
6
27
3
31
8
22
24
7
12
19
9
21
2
1
56
179
41

Highest AQI recorded in

January

105AQI

Lowest AQI recorded in

October

46AQI

202460AQI

16
1
5
7
8
22
14
17
8
23
15
14
11
18
2
11
17
2
16
15
73
150
19

Highest AQI recorded in

December

97AQI

Lowest AQI recorded in

July

47AQI

202353AQI

1
2
3
28
4
30

Highest AQI recorded in

December

54AQI

Lowest AQI recorded in

November

50AQI

202266AQI

5
6
5
12
4
6
19
6
1
13
3
10
21
12
16
2
8
12
3
2
7
21
1
1
55
123
18

Highest AQI recorded in

August

79AQI

Lowest AQI recorded in

October

50AQI

202167AQI

17
3
6
18
13
18
11
20
13
17
16
6
1
3
21
5
16
13
1
62
133
22
1

Highest AQI recorded in

December

101AQI

Lowest AQI recorded in

September

50AQI

202067AQI

5
6
2
1
14
6
4
13
1
4
26
6
23
1
13
15
1
8
21
1
31
5
20
5
5
21
5
51
190
22

Highest AQI recorded in

April

85AQI

Lowest AQI recorded in

August

52AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
72AQI
Least Polluted Year Recorded
2023(Avg.)
53AQI

Pingyang Monitoring Station's annual 2025 AQI (72) shows an average percentage change of 15.5% (worsened AQI) compared to previous years: 2020 (67), 2021 (67), 2022 (66), 2023 (53), 2024 (60).