Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Dayong, 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+

August Air Quality Analysis

Dayong, Ruian, Zhejiang, China

2021
2022
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
10th Aug 2024
74AQI
Lowest AQI recorded on
17th Aug 2021
24AQI

Same Day Analysis (20th August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 51 of Moderate air quality, showing improvement over 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

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

Dayong, Ruian, 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
7AM20th Aug

48AQI

Night time
Avg. Highest Time
7PM20th Aug

54AQI

Avg. Lowest Time
2AM21st Aug

48AQI

In the last 24 hours,

Dayong's AQI reached its highest point of 60 at 6 PM during the Day, while the lowest point, 48, was recorded at 2 AM during the Night between 20th Aug and 21st Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Dayong, Ruian, 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 2025268 AMAQI
22nd Jul 2025209 AMAQI
22nd Jul 20252110 AMAQI
22nd Jul 20252011 AMAQI
22nd Jul 20252312 PMAQI
22nd Jul 2025251 PMAQI
22nd Jul 2025282 PMAQI
22nd Jul 2025343 PMAQI
22nd Jul 2025384 PMAQI
22nd Jul 2025365 PMAQI
22nd Jul 2025356 PMAQI
22nd Jul 2025357 PMAQI
22nd Jul 2025438 PMAQI
22nd Jul 2025449 PMAQI
22nd Jul 20254310 PMAQI
22nd Jul 20254111 PMAQI
23rd Jul 20254212 AMAQI
23rd Jul 2025491 AMAQI
23rd Jul 2025482 AMAQI
23rd Jul 2025463 AMAQI
23rd Jul 2025424 AMAQI

23°C22/25°C

23rd Jul 2025435 AMAQI
23rd Jul 2025446 AMAQI
23rd Jul 2025427 AMAQI
23rd Jul 2025308 AMAQI
23rd Jul 2025329 AMAQI
23rd Jul 20253510 AMAQI
23rd Jul 20253411 AMAQI
23rd Jul 20254212 PMAQI
23rd Jul 2025451 PMAQI
23rd Jul 2025452 PMAQI
23rd Jul 2025363 PMAQI
23rd Jul 2025344 PMAQI
23rd Jul 2025305 PMAQI
23rd Jul 2025366 PMAQI
23rd Jul 2025407 PMAQI
23rd Jul 2025468 PMAQI
23rd Jul 2025469 PMAQI
23rd Jul 20254310 PMAQI
23rd Jul 20254611 PMAQI
24th Jul 20254012 AMAQI
24th Jul 2025441 AMAQI
24th Jul 2025452 AMAQI
24th Jul 2025453 AMAQI
24th Jul 2025434 AMAQI

25°C21/29°C

24th Jul 2025445 AMAQI
24th Jul 2025436 AMAQI
24th Jul 2025427 AMAQI
24th Jul 2025348 AMAQI
24th Jul 2025389 AMAQI
24th Jul 20253810 AMAQI
24th Jul 20253211 AMAQI
24th Jul 20253112 PMAQI
24th Jul 2025331 PMAQI
24th Jul 2025342 PMAQI
24th Jul 2025313 PMAQI
24th Jul 2025324 PMAQI
24th Jul 2025335 PMAQI
24th Jul 2025346 PMAQI
24th Jul 2025407 PMAQI
24th Jul 2025448 PMAQI
24th Jul 2025429 PMAQI
24th Jul 20254010 PMAQI
24th Jul 20254011 PMAQI
25th Jul 20254212 AMAQI
25th Jul 2025461 AMAQI
25th Jul 2025452 AMAQI
25th Jul 2025423 AMAQI
25th Jul 2025414 AMAQI

25°C21/29°C

25th Jul 2025405 AMAQI
25th Jul 2025416 AMAQI
25th Jul 2025417 AMAQI
25th Jul 2025458 AMAQI
25th Jul 2025549 AMAQI
25th Jul 20254510 AMAQI
25th Jul 20254011 AMAQI
25th Jul 20254012 PMAQI
25th Jul 2025371 PMAQI
25th Jul 2025362 PMAQI
25th Jul 2025333 PMAQI
25th Jul 2025314 PMAQI
25th Jul 2025315 PMAQI
25th Jul 2025356 PMAQI
25th Jul 2025367 PMAQI
25th Jul 2025378 PMAQI
25th Jul 2025379 PMAQI
25th Jul 20253810 PMAQI
25th Jul 20254011 PMAQI
26th Jul 20253812 AMAQI
26th Jul 2025431 AMAQI
26th Jul 2025412 AMAQI
26th Jul 2025433 AMAQI
26th Jul 2025424 AMAQI

25°C22/31°C

26th Jul 2025435 AMAQI
26th Jul 2025416 AMAQI
26th Jul 2025417 AMAQI
26th Jul 2025308 AMAQI
26th Jul 2025289 AMAQI
26th Jul 20252410 AMAQI
26th Jul 20252411 AMAQI
26th Jul 20252112 PMAQI
26th Jul 2025251 PMAQI
26th Jul 2025292 PMAQI
26th Jul 2025263 PMAQI
26th Jul 2025254 PMAQI
26th Jul 2025235 PMAQI
26th Jul 2025316 PMAQI
26th Jul 2025387 PMAQI
26th Jul 2025388 PMAQI
26th Jul 2025349 PMAQI
26th Jul 20253610 PMAQI
26th Jul 20254411 PMAQI
27th Jul 20254412 AMAQI
27th Jul 2025401 AMAQI
27th Jul 2025402 AMAQI
27th Jul 2025403 AMAQI
27th Jul 2025384 AMAQI

25°C23/28°C

27th Jul 2025375 AMAQI
27th Jul 2025386 AMAQI
27th Jul 2025387 AMAQI
27th Jul 2025378 AMAQI
27th Jul 2025359 AMAQI
27th Jul 20253410 AMAQI
27th Jul 20253211 AMAQI
27th Jul 20252512 PMAQI
27th Jul 2025301 PMAQI
27th Jul 2025342 PMAQI
27th Jul 2025363 PMAQI
27th Jul 2025364 PMAQI
27th Jul 2025405 PMAQI
27th Jul 2025386 PMAQI
27th Jul 2025407 PMAQI
27th Jul 2025408 PMAQI
27th Jul 2025389 PMAQI
27th Jul 20253810 PMAQI
27th Jul 20253711 PMAQI
28th Jul 20253612 AMAQI
28th Jul 2025381 AMAQI
28th Jul 2025392 AMAQI
28th Jul 2025403 AMAQI
28th Jul 2025374 AMAQI

26°C23/31°C

28th Jul 2025375 AMAQI
28th Jul 2025386 AMAQI
28th Jul 2025377 AMAQI
28th Jul 2025438 AMAQI
28th Jul 2025529 AMAQI
28th Jul 20255010 AMAQI
28th Jul 20254611 AMAQI
28th Jul 20254812 PMAQI
28th Jul 2025501 PMAQI
28th Jul 2025422 PMAQI
28th Jul 2025383 PMAQI
28th Jul 2025394 PMAQI
28th Jul 2025445 PMAQI
28th Jul 2025396 PMAQI
28th Jul 2025377 PMAQI
28th Jul 2025358 PMAQI
28th Jul 2025349 PMAQI
28th Jul 20253210 PMAQI
28th Jul 20253211 PMAQI
29th Jul 20253712 AMAQI
29th Jul 2025401 AMAQI
29th Jul 2025402 AMAQI
29th Jul 2025413 AMAQI
29th Jul 2025414 AMAQI

26°C22/31°C

29th Jul 2025425 AMAQI
29th Jul 2025426 AMAQI
29th Jul 2025417 AMAQI
29th Jul 2025378 AMAQI
29th Jul 2025319 AMAQI
29th Jul 20253710 AMAQI
29th Jul 20253511 AMAQI
29th Jul 20253812 PMAQI
29th Jul 2025441 PMAQI
29th Jul 2025392 PMAQI
29th Jul 2025373 PMAQI
29th Jul 2025384 PMAQI
29th Jul 2025375 PMAQI
29th Jul 2025396 PMAQI
29th Jul 2025417 PMAQI
29th Jul 2025428 PMAQI
29th Jul 2025409 PMAQI
29th Jul 20254010 PMAQI
29th Jul 20254111 PMAQI
30th Jul 20254312 AMAQI
30th Jul 2025411 AMAQI
30th Jul 2025412 AMAQI
30th Jul 2025403 AMAQI
30th Jul 2025394 AMAQI

27°C22/34°C

30th Jul 2025385 AMAQI
30th Jul 2025396 AMAQI
30th Jul 2025387 AMAQI
30th Jul 2025478 AMAQI
30th Jul 2025529 AMAQI
30th Jul 20255410 AMAQI
30th Jul 20255411 AMAQI
30th Jul 20255012 PMAQI
30th Jul 2025541 PMAQI
30th Jul 2025552 PMAQI
30th Jul 2025543 PMAQI
30th Jul 2025544 PMAQI
30th Jul 2025545 PMAQI
30th Jul 2025546 PMAQI
30th Jul 2025527 PMAQI
30th Jul 2025518 PMAQI
30th Jul 2025529 PMAQI
30th Jul 20255110 PMAQI
30th Jul 20255411 PMAQI
31st Jul 20255012 AMAQI
31st Jul 2025401 AMAQI
31st Jul 2025402 AMAQI
31st Jul 2025403 AMAQI
31st Jul 2025394 AMAQI

28°C22/36°C

31st Jul 2025395 AMAQI
31st Jul 2025396 AMAQI
31st Jul 2025397 AMAQI
31st Jul 2025398 AMAQI
31st Jul 2025399 AMAQI
31st Jul 20254710 AMAQI
31st Jul 20254911 AMAQI
31st Jul 20255012 PMAQI
31st Jul 2025441 PMAQI
31st Jul 2025422 PMAQI
31st Jul 2025513 PMAQI
31st Jul 2025424 PMAQI
31st Jul 2025485 PMAQI
31st Jul 2025526 PMAQI
31st Jul 2025537 PMAQI
31st Jul 2025548 PMAQI
31st Jul 2025529 PMAQI
31st Jul 20255510 PMAQI
31st Jul 20255311 PMAQI
1st Aug 20255112 AMAQI
1st Aug 2025481 AMAQI
1st Aug 2025452 AMAQI
1st Aug 2025443 AMAQI
1st Aug 2025444 AMAQI

29°C22/37°C

1st Aug 2025465 AMAQI
1st Aug 2025476 AMAQI
1st Aug 2025467 AMAQI
1st Aug 2025578 AMAQI
1st Aug 2025629 AMAQI
1st Aug 20256410 AMAQI
1st Aug 20256811 AMAQI
1st Aug 20257112 PMAQI
1st Aug 2025601 PMAQI
1st Aug 2025542 PMAQI
1st Aug 2025603 PMAQI
1st Aug 2025584 PMAQI
1st Aug 2025585 PMAQI
1st Aug 2025566 PMAQI
1st Aug 2025577 PMAQI
1st Aug 2025578 PMAQI
1st Aug 2025589 PMAQI
1st Aug 20255710 PMAQI
1st Aug 20256011 PMAQI
2nd Aug 20255512 AMAQI
2nd Aug 2025481 AMAQI
2nd Aug 2025482 AMAQI
2nd Aug 2025513 AMAQI
2nd Aug 2025524 AMAQI

27°C23/34°C

2nd Aug 2025525 AMAQI
2nd Aug 2025536 AMAQI
2nd Aug 2025537 AMAQI
2nd Aug 2025608 AMAQI
2nd Aug 2025649 AMAQI
2nd Aug 20256610 AMAQI
2nd Aug 20256711 AMAQI
2nd Aug 20256812 PMAQI
2nd Aug 2025641 PMAQI
2nd Aug 2025642 PMAQI
2nd Aug 2025683 PMAQI
2nd Aug 2025674 PMAQI
2nd Aug 2025665 PMAQI
2nd Aug 2025656 PMAQI
2nd Aug 2025617 PMAQI
2nd Aug 2025608 PMAQI
2nd Aug 2025609 PMAQI
2nd Aug 20256110 PMAQI
2nd Aug 20256011 PMAQI
3rd Aug 20255712 AMAQI
3rd Aug 2025531 AMAQI
3rd Aug 2025522 AMAQI
3rd Aug 2025543 AMAQI
3rd Aug 2025564 AMAQI

27°C23/34°C

3rd Aug 2025555 AMAQI
3rd Aug 2025566 AMAQI
3rd Aug 2025567 AMAQI
3rd Aug 2025568 AMAQI
3rd Aug 2025589 AMAQI
3rd Aug 20256010 AMAQI
3rd Aug 20256111 AMAQI
3rd Aug 20255912 PMAQI
3rd Aug 2025541 PMAQI
3rd Aug 2025562 PMAQI
3rd Aug 2025583 PMAQI
3rd Aug 2025564 PMAQI
3rd Aug 2025585 PMAQI
3rd Aug 2025606 PMAQI
3rd Aug 2025557 PMAQI
3rd Aug 2025588 PMAQI
3rd Aug 2025579 PMAQI
3rd Aug 20255710 PMAQI
3rd Aug 20255511 PMAQI
4th Aug 20255512 AMAQI
4th Aug 2025551 AMAQI
4th Aug 2025552 AMAQI
4th Aug 2025563 AMAQI
4th Aug 2025564 AMAQI

27°C23/33°C

4th Aug 2025565 AMAQI
4th Aug 2025576 AMAQI
4th Aug 2025567 AMAQI
4th Aug 2025488 AMAQI
4th Aug 2025539 AMAQI
4th Aug 20255410 AMAQI
4th Aug 20254911 AMAQI
4th Aug 20255412 PMAQI
4th Aug 2025501 PMAQI
4th Aug 2025542 PMAQI
4th Aug 2025563 PMAQI
4th Aug 2025494 PMAQI
4th Aug 2025495 PMAQI
4th Aug 2025546 PMAQI
4th Aug 2025547 PMAQI
4th Aug 2025528 PMAQI
4th Aug 2025549 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20255411 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025551 AMAQI
5th Aug 2025552 AMAQI
5th Aug 2025563 AMAQI
5th Aug 2025564 AMAQI

27°C22/34°C

5th Aug 2025565 AMAQI
5th Aug 2025566 AMAQI
5th Aug 2025557 AMAQI
5th Aug 2025418 AMAQI
5th Aug 2025509 AMAQI
5th Aug 20254510 AMAQI
5th Aug 20254611 AMAQI
5th Aug 20254912 PMAQI
5th Aug 2025471 PMAQI
5th Aug 2025442 PMAQI
5th Aug 2025433 PMAQI
5th Aug 2025454 PMAQI
5th Aug 2025455 PMAQI
5th Aug 2025466 PMAQI
5th Aug 2025507 PMAQI
5th Aug 2025538 PMAQI
5th Aug 2025539 PMAQI
5th Aug 20254910 PMAQI
5th Aug 20254911 PMAQI
6th Aug 20255212 AMAQI
6th Aug 2025551 AMAQI
6th Aug 2025562 AMAQI
6th Aug 2025543 AMAQI
6th Aug 2025554 AMAQI

26°C23/32°C

6th Aug 2025555 AMAQI
6th Aug 2025556 AMAQI
6th Aug 2025547 AMAQI
6th Aug 2025408 AMAQI
6th Aug 2025429 AMAQI
6th Aug 20253810 AMAQI
6th Aug 20254611 AMAQI
6th Aug 20253912 PMAQI
6th Aug 2025441 PMAQI
6th Aug 2025532 PMAQI
6th Aug 2025563 PMAQI
6th Aug 2025554 PMAQI
6th Aug 2025565 PMAQI
6th Aug 2025546 PMAQI
6th Aug 2025557 PMAQI
6th Aug 2025558 PMAQI
6th Aug 2025569 PMAQI
6th Aug 20255510 PMAQI
6th Aug 20255411 PMAQI
7th Aug 20255312 AMAQI
7th Aug 2025541 AMAQI
7th Aug 2025542 AMAQI
7th Aug 2025543 AMAQI
7th Aug 2025524 AMAQI

28°C23/35°C

7th Aug 2025525 AMAQI
7th Aug 2025526 AMAQI
7th Aug 2025527 AMAQI
7th Aug 2025518 AMAQI
7th Aug 2025549 AMAQI
7th Aug 20255210 AMAQI
7th Aug 20255111 AMAQI
7th Aug 20254412 PMAQI
7th Aug 2025461 PMAQI
7th Aug 2025342 PMAQI
7th Aug 2025383 PMAQI
7th Aug 2025384 PMAQI
7th Aug 2025425 PMAQI
7th Aug 2025536 PMAQI
7th Aug 2025517 PMAQI
7th Aug 2025548 PMAQI
7th Aug 2025539 PMAQI
7th Aug 20255310 PMAQI
7th Aug 20255411 PMAQI
8th Aug 20255212 AMAQI
8th Aug 2025511 AMAQI
8th Aug 2025542 AMAQI
8th Aug 2025533 AMAQI
8th Aug 2025534 AMAQI

28°C22/36°C

8th Aug 2025535 AMAQI
8th Aug 2025536 AMAQI
8th Aug 2025537 AMAQI
8th Aug 2025548 AMAQI
8th Aug 2025589 AMAQI
8th Aug 20256210 AMAQI
8th Aug 20256211 AMAQI
8th Aug 20256412 PMAQI
8th Aug 2025641 PMAQI
8th Aug 2025612 PMAQI
8th Aug 2025513 PMAQI
8th Aug 2025484 PMAQI
8th Aug 2025515 PMAQI
8th Aug 2025556 PMAQI
8th Aug 2025557 PMAQI
8th Aug 2025558 PMAQI
8th Aug 2025569 PMAQI
8th Aug 20255610 PMAQI
8th Aug 20255611 PMAQI
9th Aug 20256012 AMAQI
9th Aug 2025531 AMAQI
9th Aug 2025522 AMAQI
9th Aug 2025543 AMAQI
9th Aug 2025544 AMAQI

28°C23/36°C

9th Aug 2025545 AMAQI
9th Aug 2025546 AMAQI
9th Aug 2025547 AMAQI
9th Aug 2025618 AMAQI
9th Aug 2025619 AMAQI
9th Aug 20256410 AMAQI
9th Aug 20256211 AMAQI
9th Aug 20256212 PMAQI
9th Aug 2025541 PMAQI
9th Aug 2025562 PMAQI
9th Aug 2025543 PMAQI
9th Aug 2025534 PMAQI
9th Aug 2025525 PMAQI
9th Aug 2025546 PMAQI
9th Aug 2025557 PMAQI
9th Aug 2025568 PMAQI
9th Aug 2025559 PMAQI
9th Aug 20255910 PMAQI
9th Aug 20255711 PMAQI
10th Aug 20255812 AMAQI
10th Aug 2025541 AMAQI
10th Aug 2025552 AMAQI
10th Aug 2025553 AMAQI
10th Aug 2025544 AMAQI

28°C23/37°C

10th Aug 2025545 AMAQI
10th Aug 2025546 AMAQI
10th Aug 2025547 AMAQI
10th Aug 2025568 AMAQI
10th Aug 2025599 AMAQI
10th Aug 20255910 AMAQI
10th Aug 20255611 AMAQI
10th Aug 20255612 PMAQI
10th Aug 2025591 PMAQI
10th Aug 2025642 PMAQI
10th Aug 2025583 PMAQI
10th Aug 2025574 PMAQI
10th Aug 2025575 PMAQI
10th Aug 2025576 PMAQI
10th Aug 2025607 PMAQI
10th Aug 2025588 PMAQI
10th Aug 2025609 PMAQI
10th Aug 20256610 PMAQI
10th Aug 20256311 PMAQI
11th Aug 20256212 AMAQI
11th Aug 2025561 AMAQI
11th Aug 2025542 AMAQI
11th Aug 2025553 AMAQI
11th Aug 2025554 AMAQI

28°C23/37°C

11th Aug 2025555 AMAQI
11th Aug 2025556 AMAQI
11th Aug 2025557 AMAQI
11th Aug 2025628 AMAQI
11th Aug 2025669 AMAQI
11th Aug 20256510 AMAQI
11th Aug 20256711 AMAQI
11th Aug 20256712 PMAQI
11th Aug 2025661 PMAQI
11th Aug 2025672 PMAQI
11th Aug 2025603 PMAQI
11th Aug 2025644 PMAQI
11th Aug 2025615 PMAQI
11th Aug 2025606 PMAQI
11th Aug 2025607 PMAQI
11th Aug 2025578 PMAQI
11th Aug 2025579 PMAQI
11th Aug 20255410 PMAQI
11th Aug 20255311 PMAQI
12th Aug 20255512 AMAQI
12th Aug 2025561 AMAQI
12th Aug 2025542 AMAQI
12th Aug 2025583 AMAQI
12th Aug 2025584 AMAQI

28°C23/36°C

12th Aug 2025585 AMAQI
12th Aug 2025586 AMAQI
12th Aug 2025607 AMAQI
12th Aug 2025578 AMAQI
12th Aug 2025659 AMAQI
12th Aug 20257310 AMAQI
12th Aug 20257111 AMAQI
12th Aug 20257212 PMAQI
12th Aug 2025701 PMAQI
12th Aug 2025622 PMAQI
12th Aug 2025583 PMAQI
12th Aug 2025564 PMAQI
12th Aug 2025605 PMAQI
12th Aug 2025566 PMAQI
12th Aug 2025587 PMAQI
12th Aug 2025578 PMAQI
12th Aug 2025609 PMAQI
12th Aug 20255710 PMAQI
12th Aug 20255611 PMAQI
13th Aug 20255412 AMAQI
13th Aug 2025571 AMAQI
13th Aug 2025582 AMAQI
13th Aug 2025583 AMAQI
13th Aug 2025594 AMAQI

27°C23/34°C

13th Aug 2025595 AMAQI
13th Aug 2025606 AMAQI
13th Aug 2025607 AMAQI
13th Aug 2025408 AMAQI
13th Aug 2025409 AMAQI
13th Aug 20253410 AMAQI
13th Aug 20254011 AMAQI
13th Aug 20253812 PMAQI
13th Aug 2025361 PMAQI
13th Aug 2025402 PMAQI
13th Aug 2025403 PMAQI
13th Aug 2025484 PMAQI
13th Aug 2025405 PMAQI
13th Aug 2025406 PMAQI
13th Aug 2025497 PMAQI
13th Aug 2025548 PMAQI
13th Aug 2025549 PMAQI
13th Aug 20255210 PMAQI
13th Aug 20255411 PMAQI
14th Aug 20255512 AMAQI
14th Aug 2025581 AMAQI
14th Aug 2025582 AMAQI
14th Aug 2025563 AMAQI
14th Aug 2025554 AMAQI

26°C22/32°C

14th Aug 2025545 AMAQI
14th Aug 2025556 AMAQI
14th Aug 2025567 AMAQI
14th Aug 2025328 AMAQI
14th Aug 2025319 AMAQI
14th Aug 20252810 AMAQI
14th Aug 20253211 AMAQI
14th Aug 20253212 PMAQI
14th Aug 2025271 PMAQI
14th Aug 2025292 PMAQI
14th Aug 2025273 PMAQI
14th Aug 2025334 PMAQI
14th Aug 2025255 PMAQI
14th Aug 2025276 PMAQI
14th Aug 2025407 PMAQI
14th Aug 2025468 PMAQI
14th Aug 2025469 PMAQI
14th Aug 20254810 PMAQI
14th Aug 20254711 PMAQI
15th Aug 20255112 AMAQI
15th Aug 2025561 AMAQI
15th Aug 2025562 AMAQI
15th Aug 2025533 AMAQI
15th Aug 2025534 AMAQI

25°C22/30°C

15th Aug 2025525 AMAQI
15th Aug 2025526 AMAQI
15th Aug 2025527 AMAQI
15th Aug 2025358 AMAQI
15th Aug 2025349 AMAQI
15th Aug 20252210 AMAQI
15th Aug 20252211 AMAQI
15th Aug 20255212 PMAQI
15th Aug 2025341 PMAQI
15th Aug 2025342 PMAQI
15th Aug 2025273 PMAQI
15th Aug 2025314 PMAQI
15th Aug 2025325 PMAQI
15th Aug 2025316 PMAQI
15th Aug 2025387 PMAQI
15th Aug 2025478 PMAQI
15th Aug 2025499 PMAQI
15th Aug 20255010 PMAQI
15th Aug 20255011 PMAQI
16th Aug 20255012 AMAQI
16th Aug 2025541 AMAQI
16th Aug 2025542 AMAQI
16th Aug 2025513 AMAQI
16th Aug 2025514 AMAQI

25°C21/31°C

16th Aug 2025515 AMAQI
16th Aug 2025496 AMAQI
16th Aug 2025507 AMAQI
16th Aug 2025428 AMAQI
16th Aug 2025409 AMAQI
16th Aug 20254710 AMAQI
16th Aug 20254411 AMAQI
16th Aug 20253812 PMAQI
16th Aug 2025311 PMAQI
16th Aug 2025292 PMAQI
16th Aug 2025313 PMAQI
16th Aug 2025324 PMAQI
16th Aug 2025355 PMAQI
16th Aug 2025426 PMAQI
16th Aug 2025427 PMAQI
16th Aug 2025488 PMAQI
16th Aug 2025519 PMAQI
16th Aug 20254910 PMAQI
16th Aug 20254711 PMAQI
17th Aug 20254912 AMAQI
17th Aug 2025511 AMAQI
17th Aug 2025512 AMAQI
17th Aug 2025483 AMAQI
17th Aug 2025504 AMAQI

25°C21/30°C

17th Aug 2025455 AMAQI
17th Aug 2025486 AMAQI
17th Aug 2025477 AMAQI
17th Aug 2025488 AMAQI
17th Aug 2025489 AMAQI
17th Aug 20254810 AMAQI
17th Aug 20254211 AMAQI
17th Aug 20253712 PMAQI
17th Aug 2025431 PMAQI
17th Aug 2025422 PMAQI
17th Aug 2025383 PMAQI
17th Aug 2025364 PMAQI
17th Aug 2025355 PMAQI
17th Aug 2025406 PMAQI
17th Aug 2025497 PMAQI
17th Aug 2025508 PMAQI
17th Aug 2025529 PMAQI
17th Aug 20255010 PMAQI
17th Aug 20255311 PMAQI
18th Aug 20255012 AMAQI
18th Aug 2025461 AMAQI
18th Aug 2025462 AMAQI
18th Aug 2025463 AMAQI
18th Aug 2025454 AMAQI

26°C21/32°C

18th Aug 2025455 AMAQI
18th Aug 2025456 AMAQI
18th Aug 2025487 AMAQI
18th Aug 2025528 AMAQI
18th Aug 2025459 AMAQI
18th Aug 20254610 AMAQI
18th Aug 20254211 AMAQI
18th Aug 20253912 PMAQI
18th Aug 2025381 PMAQI
18th Aug 2025402 PMAQI
18th Aug 2025363 PMAQI
18th Aug 2025394 PMAQI
18th Aug 2025385 PMAQI
18th Aug 2025396 PMAQI
18th Aug 2025457 PMAQI
18th Aug 2025478 PMAQI
18th Aug 2025489 PMAQI
18th Aug 20255010 PMAQI
18th Aug 20255011 PMAQI
19th Aug 20255012 AMAQI
19th Aug 2025471 AMAQI
19th Aug 2025462 AMAQI
19th Aug 2025463 AMAQI
19th Aug 2025464 AMAQI

26°C22/32°C

19th Aug 2025455 AMAQI
19th Aug 2025466 AMAQI
19th Aug 2025457 AMAQI
19th Aug 2025388 AMAQI
19th Aug 2025489 AMAQI
19th Aug 20254710 AMAQI
19th Aug 20255011 AMAQI
19th Aug 20255012 PMAQI
19th Aug 2025521 PMAQI
19th Aug 2025482 PMAQI
19th Aug 2025503 PMAQI
19th Aug 2025514 PMAQI
19th Aug 2025535 PMAQI
19th Aug 2025506 PMAQI
19th Aug 2025547 PMAQI
19th Aug 2025528 PMAQI
19th Aug 2025499 PMAQI
19th Aug 20255010 PMAQI
19th Aug 20255111 PMAQI
20th Aug 20254912 AMAQI
20th Aug 2025491 AMAQI
20th Aug 2025492 AMAQI
20th Aug 2025503 AMAQI
20th Aug 2025494 AMAQI

26°C21/34°C

20th Aug 2025485 AMAQI
20th Aug 2025486 AMAQI
20th Aug 2025487 AMAQI
20th Aug 2025568 AMAQI
20th Aug 2025589 AMAQI
20th Aug 20255410 AMAQI
20th Aug 20255411 AMAQI
20th Aug 20255112 PMAQI
20th Aug 2025561 PMAQI
20th Aug 2025542 PMAQI
20th Aug 2025543 PMAQI
20th Aug 2025564 PMAQI
20th Aug 2025565 PMAQI
20th Aug 2025606 PMAQI
20th Aug 2025547 PMAQI
20th Aug 2025528 PMAQI
20th Aug 2025539 PMAQI
20th Aug 20255110 PMAQI
20th Aug 20255111 PMAQI
21st Aug 20255112 AMAQI
21st Aug 2025491 AMAQI
21st Aug 2025482 AMAQI
21st Aug 2025513 AMAQI
21st Aug 2025514 AMAQI

27°C21/34°C

21st Aug 2025525 AMAQI
5 AM
21st Aug 2025526 AMAQI
21st Aug 2025517 AMAQI
21st Aug 2025588 AMAQI
21st Aug 2025619 AMAQI
21st Aug 20256210 AMAQI
21st Aug 20256111 AMAQI
11 AM
21st Aug 20256012 PMAQI
21st Aug 2025641 PMAQI
21st Aug 2025622 PMAQI
21st Aug 2025533 PMAQI
6 PM
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 7 AM

49AQI

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. 49), while the lowest AQI was between 8 AM to 6 PM (Avg. 46).
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

Dayong, Ruian, Zhejiang, China

2025

21%

48

68%

157

12%

27

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

Good
48 Days
Moderate
157 Days
Poor
27 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 21%

Health Risk Level:

Very high

In 2025, 21% 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

Dayong, 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.

1st January 2025
125AQI
2nd January 2025
111AQI
3rd January 2025
118AQI
4th January 2025
112AQI
5th January 2025
112AQI
6th January 2025
129AQI
7th January 2025
129AQI
8th January 2025
127AQI
9th January 2025
110AQI
10th January 2025
94AQI
11th January 2025
90AQI
12th January 2025
92AQI
13th January 2025
101AQI
14th January 2025
95AQI
15th January 2025
127AQI
16th January 2025
85AQI
17th January 2025
99AQI
18th January 2025
90AQI
19th January 2025
94AQI
20th January 2025
105AQI
21st January 2025
128AQI
22nd January 2025
118AQI
23rd January 2025
107AQI
24th January 2025
90AQI
25th January 2025
81AQI
26th January 2025
67AQI
27th January 2025
66AQI
28th January 2025
71AQI
29th January 2025
103AQI
30th January 2025
78AQI
31st January 2025
83AQI
1st February 2025
59AQI
2nd February 2025
60AQI
3rd February 2025
89AQI
4th February 2025
96AQI
5th February 2025
89AQI
6th February 2025
94AQI
7th February 2025
74AQI
8th February 2025
67AQI
9th February 2025
70AQI
10th February 2025
83AQI
11th February 2025
79AQI
12th February 2025
91AQI
13th February 2025
129AQI
14th February 2025
113AQI
15th February 2025
131AQI
16th February 2025
99AQI
17th February 2025
120AQI
18th February 2025
85AQI
19th February 2025
89AQI
20th February 2025
62AQI
21st February 2025
61AQI
22nd February 2025
66AQI
23rd February 2025
70AQI
24th February 2025
108AQI
25th February 2025
128AQI
26th February 2025
124AQI
27th February 2025
113AQI
28th February 2025
91AQI
1st March 2025
89AQI
2nd March 2025
80AQI
3rd March 2025
80AQI
4th March 2025
60AQI
5th March 2025
68AQI
6th March 2025
61AQI
7th March 2025
78AQI
8th March 2025
80AQI
9th March 2025
90AQI
10th March 2025
80AQI
11th March 2025
99AQI
12th March 2025
84AQI
13th March 2025
68AQI
14th March 2025
67AQI
15th March 2025
45AQI
16th March 2025
68AQI
17th March 2025
70AQI
18th March 2025
72AQI
19th March 2025
79AQI
20th March 2025
79AQI
21st March 2025
74AQI
22nd March 2025
76AQI
23rd March 2025
85AQI
24th March 2025
93AQI
25th March 2025
93AQI
26th March 2025
110AQI
27th March 2025
107AQI
28th March 2025
80AQI
29th March 2025
76AQI
30th March 2025
65AQI
31st March 2025
64AQI
1st April 2025
67AQI
2nd April 2025
73AQI
3rd April 2025
78AQI
4th April 2025
82AQI
5th April 2025
80AQI
6th April 2025
86AQI
7th April 2025
85AQI
8th April 2025
88AQI
9th April 2025
91AQI
10th April 2025
78AQI
11th April 2025
82AQI
12th April 2025
103AQI
13th April 2025
91AQI
14th April 2025
94AQI
15th April 2025
80AQI
16th April 2025
86AQI
17th April 2025
91AQI
18th April 2025
90AQI
19th April 2025
75AQI
20th April 2025
78AQI
21st April 2025
81AQI
22nd April 2025
68AQI
23rd April 2025
67AQI
24th April 2025
63AQI
25th April 2025
50AQI
26th April 2025
62AQI
27th April 2025
61AQI
28th April 2025
68AQI
29th April 2025
74AQI
30th April 2025
76AQI
1st May 2025
78AQI
2nd May 2025
78AQI
3rd May 2025
80AQI
4th May 2025
72AQI
5th May 2025
71AQI
6th May 2025
76AQI
7th May 2025
86AQI
8th May 2025
71AQI
9th May 2025
64AQI
10th May 2025
62AQI
11th May 2025
66AQI
12th May 2025
67AQI
13th May 2025
67AQI
14th May 2025
67AQI
15th May 2025
71AQI
16th May 2025
66AQI
17th May 2025
65AQI
18th May 2025
56AQI
19th May 2025
59AQI
20th May 2025
58AQI
21st May 2025
53AQI
22nd May 2025
61AQI
23rd May 2025
58AQI
24th May 2025
65AQI
25th May 2025
83AQI
26th May 2025
82AQI
27th May 2025
81AQI
28th May 2025
65AQI
29th May 2025
56AQI
30th May 2025
65AQI
31st May 2025
68AQI
1st June 2025
63AQI
2nd June 2025
62AQI
3rd June 2025
53AQI
4th June 2025
63AQI
5th June 2025
57AQI
6th June 2025
62AQI
7th June 2025
67AQI
8th June 2025
56AQI
9th June 2025
59AQI
10th June 2025
53AQI
11th June 2025
49AQI
12th June 2025
48AQI
13th June 2025
42AQI
14th June 2025
49AQI
15th June 2025
47AQI
16th June 2025
51AQI
17th June 2025
52AQI
18th June 2025
50AQI
19th June 2025
48AQI
20th June 2025
45AQI
21st June 2025
49AQI
22nd June 2025
53AQI
23rd June 2025
48AQI
24th June 2025
52AQI
25th June 2025
56AQI
26th June 2025
52AQI
27th June 2025
52AQI
28th June 2025
46AQI
29th June 2025
49AQI
30th June 2025
44AQI
1st July 2025
42AQI
2nd July 2025
40AQI
3rd July 2025
48AQI
4th July 2025
52AQI
5th July 2025
50AQI
6th July 2025
50AQI
7th July 2025
40AQI
8th July 2025
46AQI
9th July 2025
46AQI
10th July 2025
47AQI
11th July 2025
44AQI
12th July 2025
43AQI
13th July 2025
49AQI
14th July 2025
53AQI
15th July 2025
58AQI
16th July 2025
57AQI
17th July 2025
57AQI
18th July 2025
58AQI
19th July 2025
46AQI
20th July 2025
44AQI
21st July 2025
36AQI
22nd July 2025
38AQI
23rd July 2025
41AQI
24th July 2025
39AQI
25th July 2025
40AQI
26th July 2025
35AQI
27th July 2025
37AQI
28th July 2025
39AQI
29th July 2025
39AQI
30th July 2025
48AQI
31st July 2025
46AQI
1st August 2025
55AQI
2nd August 2025
59AQI
3rd August 2025
56AQI
4th August 2025
54AQI
5th August 2025
51AQI
6th August 2025
52AQI
7th August 2025
50AQI
8th August 2025
55AQI
9th August 2025
56AQI
10th August 2025
58AQI
11th August 2025
59AQI
12th August 2025
60AQI
13th August 2025
49AQI
14th August 2025
43AQI
15th August 2025
43AQI
16th August 2025
45AQI
17th August 2025
46AQI
18th August 2025
45AQI
19th August 2025
49AQI
20th August 2025
51AQI

101AQI

91AQI

78AQI

78AQI

68AQI

53AQI

45AQI

52AQI

No. of days

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

202571AQI

15
16
20
8
1
28
2
1
28
1
31
13
17
25
6
8
12
48
157
27

Highest AQI recorded in

January

101AQI

Lowest AQI recorded in

July

45AQI

202462AQI

9
7
5
7
8
22
14
17
8
23
16
13
11
18
2
10
18
2
16
15
72
143
26

Highest AQI recorded in

December

99AQI

Lowest AQI recorded in

July

47AQI

202369AQI

3
3
27
1
3
30
1

Highest AQI recorded in

November

70AQI

Lowest AQI recorded in

December

69AQI

202259AQI

5
6
10
7
4
7
21
3
4
23
2
14
17
25
5
10
12
1
1
7
21
2
82
115
10

Highest AQI recorded in

April

72AQI

Lowest AQI recorded in

June

43AQI

202164AQI

1
7
12
13
11
17
14
22
9
12
18
11
11
1
3
24
2
19
11
79
113
26

Highest AQI recorded in

January

102AQI

Lowest AQI recorded in

August

44AQI

202067AQI

5
5
3
1
13
6
3
15
13
17
9
18
17
13
9
20
1
2
29
8
17
5
2
20
9
69
167
24

Highest AQI recorded in

April

91AQI

Lowest AQI recorded in

August

50AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
71AQI
Least Polluted Year Recorded
2022(Avg.)
59AQI

Dayong's annual 2025 AQI (71) shows an average percentage change of 11.3% (worsened AQI) compared to previous years: 2020 (67), 2021 (64), 2022 (59), 2023 (69), 2024 (62).