Chengnan Station, Yuyao, 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
Chengnan Station, Yuyao, Zhejiang, China
2021
2022
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2022
97AQILowest AQI recorded on
4th Aug 2021
29AQISame Day Analysis (3rd August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 3rd highest AQI at 55 of Moderate air quality, showing improvement over 2024 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Chengnan Station, Yuyao, Zhejiang, China
AQI
Day
Night
.
5 AM3rd Aug 2025
6 PM
4 AM4th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
12PM3rd Aug
73AQI
Avg. Lowest Time
1AM4th Aug
54AQI
In the last 24 hours,
Chengnan Station's AQI reached its highest point of 73 at 12 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Chengnan Station, Yuyao, Zhejiang, China
JulAug
05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th
Day
Night
5th Jul 2025535 AMAQI
5th Jul 2025526 AMAQI
5th Jul 2025527 AMAQI
5th Jul 2025548 AMAQI
5th Jul 2025509 AMAQI
5th Jul 20254410 AMAQI
5th Jul 20254411 AMAQI
5th Jul 20255112 PMAQI
5th Jul 2025521 PMAQI
5th Jul 2025522 PMAQI
5th Jul 2025483 PMAQI
5th Jul 2025524 PMAQI
5th Jul 2025505 PMAQI
5th Jul 2025456 PMAQI
5th Jul 2025497 PMAQI
5th Jul 2025538 PMAQI
5th Jul 2025539 PMAQI
5th Jul 20255310 PMAQI
5th Jul 20255411 PMAQI
6th Jul 20255412 AMAQI
6th Jul 2025541 AMAQI
6th Jul 2025542 AMAQI
6th Jul 2025543 AMAQI
6th Jul 2025544 AMAQI
29°C24/36°C
6th Jul 2025535 AMAQI
6th Jul 2025546 AMAQI
6th Jul 2025537 AMAQI
6th Jul 2025458 AMAQI
6th Jul 2025309 AMAQI
6th Jul 20252810 AMAQI
6th Jul 20253111 AMAQI
6th Jul 20253812 PMAQI
6th Jul 2025391 PMAQI
6th Jul 2025402 PMAQI
6th Jul 2025383 PMAQI
6th Jul 2025404 PMAQI
6th Jul 2025435 PMAQI
6th Jul 2025436 PMAQI
6th Jul 2025497 PMAQI
6th Jul 2025548 PMAQI
6th Jul 2025549 PMAQI
6th Jul 20255410 PMAQI
6th Jul 20255411 PMAQI
7th Jul 20255412 AMAQI
7th Jul 2025541 AMAQI
7th Jul 2025542 AMAQI
7th Jul 2025533 AMAQI
7th Jul 2025534 AMAQI
29°C24/36°C
7th Jul 2025525 AMAQI
7th Jul 2025536 AMAQI
7th Jul 2025537 AMAQI
7th Jul 2025328 AMAQI
7th Jul 2025269 AMAQI
7th Jul 20252410 AMAQI
7th Jul 20252611 AMAQI
7th Jul 20253212 PMAQI
7th Jul 2025331 PMAQI
7th Jul 2025312 PMAQI
7th Jul 2025313 PMAQI
7th Jul 2025304 PMAQI
7th Jul 2025295 PMAQI
7th Jul 2025266 PMAQI
7th Jul 2025367 PMAQI
7th Jul 2025488 PMAQI
7th Jul 2025509 PMAQI
7th Jul 20254810 PMAQI
7th Jul 20254711 PMAQI
8th Jul 20255012 AMAQI
8th Jul 2025541 AMAQI
8th Jul 2025542 AMAQI
8th Jul 2025533 AMAQI
8th Jul 2025534 AMAQI
27°C24/33°C
8th Jul 2025525 AMAQI
8th Jul 2025536 AMAQI
8th Jul 2025537 AMAQI
8th Jul 2025348 AMAQI
8th Jul 2025289 AMAQI
8th Jul 20252410 AMAQI
8th Jul 20253111 AMAQI
8th Jul 20253412 PMAQI
8th Jul 2025341 PMAQI
8th Jul 2025352 PMAQI
8th Jul 2025343 PMAQI
8th Jul 2025364 PMAQI
8th Jul 2025365 PMAQI
8th Jul 2025446 PMAQI
8th Jul 2025527 PMAQI
8th Jul 2025538 PMAQI
8th Jul 2025519 PMAQI
8th Jul 20255010 PMAQI
8th Jul 20254911 PMAQI
9th Jul 20254912 AMAQI
9th Jul 2025541 AMAQI
9th Jul 2025542 AMAQI
9th Jul 2025533 AMAQI
9th Jul 2025524 AMAQI
26°C24/28°C
9th Jul 2025525 AMAQI
9th Jul 2025526 AMAQI
9th Jul 2025527 AMAQI
9th Jul 2025378 AMAQI
9th Jul 2025349 AMAQI
9th Jul 20253410 AMAQI
9th Jul 20253311 AMAQI
9th Jul 20253912 PMAQI
9th Jul 2025401 PMAQI
9th Jul 2025392 PMAQI
9th Jul 2025393 PMAQI
9th Jul 2025414 PMAQI
9th Jul 2025425 PMAQI
9th Jul 2025376 PMAQI
9th Jul 2025447 PMAQI
9th Jul 2025528 PMAQI
9th Jul 2025519 PMAQI
9th Jul 20255010 PMAQI
9th Jul 20254911 PMAQI
10th Jul 20255112 AMAQI
10th Jul 2025531 AMAQI
10th Jul 2025532 AMAQI
10th Jul 2025533 AMAQI
10th Jul 2025524 AMAQI
27°C24/31°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 20256212 PMAQI
10th Jul 2025621 PMAQI
10th Jul 2025642 PMAQI
10th Jul 2025573 PMAQI
10th Jul 2025564 PMAQI
10th Jul 2025595 PMAQI
10th Jul 2025606 PMAQI
10th Jul 2025587 PMAQI
10th Jul 2025568 PMAQI
10th Jul 2025589 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255711 PMAQI
11th Jul 20255412 AMAQI
11th Jul 2025531 AMAQI
11th Jul 2025532 AMAQI
11th Jul 2025523 AMAQI
11th Jul 2025544 AMAQI
27°C24/30°C
11th Jul 2025545 AMAQI
11th Jul 2025546 AMAQI
11th Jul 2025547 AMAQI
11th Jul 2025478 AMAQI
11th Jul 2025509 AMAQI
11th Jul 20254010 AMAQI
11th Jul 20253611 AMAQI
11th Jul 20254412 PMAQI
11th Jul 2025431 PMAQI
11th Jul 2025472 PMAQI
11th Jul 2025403 PMAQI
11th Jul 2025344 PMAQI
11th Jul 2025385 PMAQI
11th Jul 2025386 PMAQI
11th Jul 2025407 PMAQI
11th Jul 2025508 PMAQI
11th Jul 2025519 PMAQI
11th Jul 20255010 PMAQI
11th Jul 20255211 PMAQI
12th Jul 20255212 AMAQI
12th Jul 2025541 AMAQI
12th Jul 2025532 AMAQI
12th Jul 2025533 AMAQI
12th Jul 2025534 AMAQI
26°C23/30°C
12th Jul 2025535 AMAQI
12th Jul 2025526 AMAQI
12th Jul 2025527 AMAQI
12th Jul 2025488 AMAQI
12th Jul 2025409 AMAQI
12th Jul 20253710 AMAQI
12th Jul 20253011 AMAQI
12th Jul 20253912 PMAQI
12th Jul 2025401 PMAQI
12th Jul 2025382 PMAQI
12th Jul 2025383 PMAQI
12th Jul 2025394 PMAQI
12th Jul 2025415 PMAQI
12th Jul 2025416 PMAQI
12th Jul 2025467 PMAQI
12th Jul 2025528 PMAQI
12th Jul 2025539 PMAQI
12th Jul 20255310 PMAQI
12th Jul 20255411 PMAQI
13th Jul 20255412 AMAQI
13th Jul 2025541 AMAQI
13th Jul 2025542 AMAQI
13th Jul 2025533 AMAQI
13th Jul 2025524 AMAQI
26°C24/29°C
13th Jul 2025525 AMAQI
13th Jul 2025526 AMAQI
13th Jul 2025527 AMAQI
13th Jul 2025558 AMAQI
13th Jul 2025569 AMAQI
13th Jul 20255710 AMAQI
13th Jul 20255411 AMAQI
13th Jul 20255412 PMAQI
13th Jul 2025521 PMAQI
13th Jul 2025542 PMAQI
13th Jul 2025553 PMAQI
13th Jul 2025564 PMAQI
13th Jul 2025565 PMAQI
13th Jul 2025586 PMAQI
13th Jul 2025617 PMAQI
13th Jul 2025558 PMAQI
13th Jul 2025559 PMAQI
13th Jul 20255610 PMAQI
13th Jul 20255611 PMAQI
14th Jul 20255712 AMAQI
14th Jul 2025541 AMAQI
14th Jul 2025532 AMAQI
14th Jul 2025543 AMAQI
14th Jul 2025554 AMAQI
26°C24/31°C
14th Jul 2025545 AMAQI
14th Jul 2025546 AMAQI
14th Jul 2025547 AMAQI
14th Jul 2025638 AMAQI
14th Jul 2025689 AMAQI
14th Jul 20256610 AMAQI
14th Jul 20257011 AMAQI
14th Jul 20256612 PMAQI
14th Jul 2025681 PMAQI
14th Jul 2025662 PMAQI
14th Jul 2025703 PMAQI
14th Jul 2025724 PMAQI
14th Jul 2025705 PMAQI
14th Jul 2025756 PMAQI
14th Jul 2025687 PMAQI
14th Jul 2025608 PMAQI
14th Jul 2025589 PMAQI
14th Jul 20255810 PMAQI
14th Jul 20255711 PMAQI
15th Jul 20255812 AMAQI
15th Jul 2025571 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025573 AMAQI
15th Jul 2025584 AMAQI
27°C24/33°C
15th Jul 2025585 AMAQI
15th Jul 2025586 AMAQI
15th Jul 2025587 AMAQI
15th Jul 2025728 AMAQI
15th Jul 2025689 AMAQI
15th Jul 20256910 AMAQI
15th Jul 20257011 AMAQI
15th Jul 20257212 PMAQI
15th Jul 2025781 PMAQI
15th Jul 2025752 PMAQI
15th Jul 2025753 PMAQI
15th Jul 2025754 PMAQI
15th Jul 2025705 PMAQI
15th Jul 2025666 PMAQI
15th Jul 2025687 PMAQI
15th Jul 2025628 PMAQI
15th Jul 2025629 PMAQI
15th Jul 20256310 PMAQI
15th Jul 20256211 PMAQI
16th Jul 20256112 AMAQI
16th Jul 2025561 AMAQI
16th Jul 2025572 AMAQI
16th Jul 2025583 AMAQI
16th Jul 2025594 AMAQI
28°C23/35°C
16th Jul 2025605 AMAQI
16th Jul 2025606 AMAQI
16th Jul 2025597 AMAQI
16th Jul 2025668 AMAQI
16th Jul 2025689 AMAQI
16th Jul 20256610 AMAQI
16th Jul 20256611 AMAQI
16th Jul 20256512 PMAQI
16th Jul 2025651 PMAQI
16th Jul 2025652 PMAQI
16th Jul 2025663 PMAQI
16th Jul 2025674 PMAQI
16th Jul 2025675 PMAQI
16th Jul 2025676 PMAQI
16th Jul 2025657 PMAQI
16th Jul 2025638 PMAQI
16th Jul 2025649 PMAQI
16th Jul 20256310 PMAQI
16th Jul 20256411 PMAQI
17th Jul 20256412 AMAQI
17th Jul 2025601 AMAQI
17th Jul 2025602 AMAQI
17th Jul 2025603 AMAQI
17th Jul 2025604 AMAQI
30°C26/37°C
17th Jul 2025605 AMAQI
17th Jul 2025606 AMAQI
17th Jul 2025607 AMAQI
17th Jul 2025618 AMAQI
17th Jul 2025599 AMAQI
17th Jul 20256210 AMAQI
17th Jul 20256611 AMAQI
17th Jul 20256912 PMAQI
17th Jul 2025721 PMAQI
17th Jul 2025742 PMAQI
17th Jul 2025723 PMAQI
17th Jul 2025744 PMAQI
17th Jul 2025725 PMAQI
17th Jul 2025746 PMAQI
17th Jul 2025687 PMAQI
17th Jul 2025628 PMAQI
17th Jul 2025619 PMAQI
17th Jul 20256110 PMAQI
17th Jul 20256111 PMAQI
18th Jul 20256112 AMAQI
18th Jul 2025611 AMAQI
18th Jul 2025622 AMAQI
18th Jul 2025613 AMAQI
18th Jul 2025624 AMAQI
30°C26/36°C
18th Jul 2025625 AMAQI
18th Jul 2025626 AMAQI
18th Jul 2025627 AMAQI
18th Jul 2025578 AMAQI
18th Jul 2025579 AMAQI
18th Jul 20255810 AMAQI
18th Jul 20255911 AMAQI
18th Jul 20255712 PMAQI
18th Jul 2025621 PMAQI
18th Jul 2025632 PMAQI
18th Jul 2025613 PMAQI
18th Jul 2025554 PMAQI
18th Jul 2025535 PMAQI
18th Jul 2025536 PMAQI
18th Jul 2025547 PMAQI
18th Jul 2025588 PMAQI
18th Jul 2025579 PMAQI
18th Jul 20255510 PMAQI
18th Jul 20255611 PMAQI
19th Jul 20255712 AMAQI
19th Jul 2025601 AMAQI
19th Jul 2025612 AMAQI
19th Jul 2025603 AMAQI
19th Jul 2025604 AMAQI
28°C25/31°C
19th Jul 2025605 AMAQI
19th Jul 2025606 AMAQI
19th Jul 2025607 AMAQI
19th Jul 2025328 AMAQI
19th Jul 2025259 AMAQI
19th Jul 20252310 AMAQI
19th Jul 20252911 AMAQI
19th Jul 20253412 PMAQI
19th Jul 2025351 PMAQI
19th Jul 2025362 PMAQI
19th Jul 2025363 PMAQI
19th Jul 2025364 PMAQI
19th Jul 2025395 PMAQI
19th Jul 2025406 PMAQI
19th Jul 2025467 PMAQI
19th Jul 2025558 PMAQI
19th Jul 2025569 PMAQI
19th Jul 20255510 PMAQI
19th Jul 20255411 PMAQI
20th Jul 20255612 AMAQI
20th Jul 2025601 AMAQI
20th Jul 2025592 AMAQI
20th Jul 2025593 AMAQI
20th Jul 2025574 AMAQI
27°C24/32°C
20th Jul 2025575 AMAQI
20th Jul 2025586 AMAQI
20th Jul 2025577 AMAQI
20th Jul 2025488 AMAQI
20th Jul 2025349 AMAQI
20th Jul 20252610 AMAQI
20th Jul 20252811 AMAQI
20th Jul 20253412 PMAQI
20th Jul 2025341 PMAQI
20th Jul 2025372 PMAQI
20th Jul 2025383 PMAQI
20th Jul 2025394 PMAQI
20th Jul 2025385 PMAQI
20th Jul 2025386 PMAQI
20th Jul 2025447 PMAQI
20th Jul 2025548 PMAQI
20th Jul 2025539 PMAQI
20th Jul 20255310 PMAQI
20th Jul 20255411 PMAQI
21st Jul 20255312 AMAQI
21st Jul 2025571 AMAQI
21st Jul 2025572 AMAQI
21st Jul 2025573 AMAQI
21st Jul 2025564 AMAQI
28°C25/32°C
21st Jul 2025565 AMAQI
21st Jul 2025566 AMAQI
21st Jul 2025567 AMAQI
21st Jul 2025338 AMAQI
21st Jul 2025279 AMAQI
21st Jul 20252010 AMAQI
21st Jul 20252211 AMAQI
21st Jul 20253112 PMAQI
21st Jul 2025341 PMAQI
21st Jul 2025292 PMAQI
21st Jul 2025303 PMAQI
21st Jul 2025344 PMAQI
21st Jul 2025345 PMAQI
21st Jul 2025306 PMAQI
21st Jul 2025387 PMAQI
21st Jul 2025528 PMAQI
21st Jul 2025509 PMAQI
21st Jul 20254910 PMAQI
21st Jul 20255211 PMAQI
22nd Jul 20255212 AMAQI
22nd Jul 2025551 AMAQI
22nd Jul 2025562 AMAQI
22nd Jul 2025543 AMAQI
22nd Jul 2025544 AMAQI
28°C25/31°C
22nd Jul 2025545 AMAQI
22nd Jul 2025546 AMAQI
22nd Jul 2025547 AMAQI
22nd Jul 2025318 AMAQI
22nd Jul 2025259 AMAQI
22nd Jul 20252610 AMAQI
22nd Jul 20252511 AMAQI
22nd Jul 20253012 PMAQI
22nd Jul 2025321 PMAQI
22nd Jul 2025352 PMAQI
22nd Jul 2025363 PMAQI
22nd Jul 2025384 PMAQI
22nd Jul 2025385 PMAQI
22nd Jul 2025406 PMAQI
22nd Jul 2025447 PMAQI
22nd Jul 2025508 PMAQI
22nd Jul 2025509 PMAQI
22nd Jul 20255010 PMAQI
22nd Jul 20254811 PMAQI
23rd Jul 20255012 AMAQI
23rd Jul 2025531 AMAQI
23rd Jul 2025532 AMAQI
23rd Jul 2025533 AMAQI
23rd Jul 2025524 AMAQI
28°C24/32°C
23rd Jul 2025525 AMAQI
23rd Jul 2025526 AMAQI
23rd Jul 2025527 AMAQI
23rd Jul 2025358 AMAQI
23rd Jul 2025309 AMAQI
23rd Jul 20252810 AMAQI
23rd Jul 20252911 AMAQI
23rd Jul 20253412 PMAQI
23rd Jul 2025341 PMAQI
23rd Jul 2025352 PMAQI
23rd Jul 2025353 PMAQI
23rd Jul 2025334 PMAQI
23rd Jul 2025305 PMAQI
23rd Jul 2025336 PMAQI
23rd Jul 2025377 PMAQI
23rd Jul 2025488 PMAQI
23rd Jul 2025469 PMAQI
23rd Jul 20254410 PMAQI
23rd Jul 20254311 PMAQI
24th Jul 20254312 AMAQI
24th Jul 2025441 AMAQI
24th Jul 2025502 AMAQI
24th Jul 2025523 AMAQI
24th Jul 2025494 AMAQI
27°C24/32°C
24th Jul 2025505 AMAQI
24th Jul 2025496 AMAQI
24th Jul 2025507 AMAQI
24th Jul 2025408 AMAQI
24th Jul 2025339 AMAQI
24th Jul 20253210 AMAQI
24th Jul 20253211 AMAQI
24th Jul 20253612 PMAQI
24th Jul 2025361 PMAQI
24th Jul 2025332 PMAQI
24th Jul 2025363 PMAQI
24th Jul 2025354 PMAQI
24th Jul 2025375 PMAQI
24th Jul 2025406 PMAQI
24th Jul 2025447 PMAQI
24th Jul 2025488 PMAQI
24th Jul 2025509 PMAQI
24th Jul 20254910 PMAQI
24th Jul 20254911 PMAQI
25th Jul 20255112 AMAQI
25th Jul 2025481 AMAQI
25th Jul 2025482 AMAQI
25th Jul 2025473 AMAQI
25th Jul 2025474 AMAQI
27°C24/31°C
25th Jul 2025475 AMAQI
25th Jul 2025466 AMAQI
25th Jul 2025467 AMAQI
25th Jul 2025388 AMAQI
25th Jul 2025369 AMAQI
25th Jul 20253410 AMAQI
25th Jul 20253811 AMAQI
25th Jul 20254012 PMAQI
25th Jul 2025401 PMAQI
25th Jul 2025392 PMAQI
25th Jul 2025383 PMAQI
25th Jul 2025364 PMAQI
25th Jul 2025375 PMAQI
25th Jul 2025366 PMAQI
25th Jul 2025427 PMAQI
25th Jul 2025408 PMAQI
25th Jul 2025449 PMAQI
25th Jul 20253810 PMAQI
25th Jul 20253811 PMAQI
26th Jul 20254312 AMAQI
26th Jul 2025481 AMAQI
26th Jul 2025492 AMAQI
26th Jul 2025503 AMAQI
26th Jul 2025484 AMAQI
26°C25/29°C
26th Jul 2025475 AMAQI
26th Jul 2025476 AMAQI
26th Jul 2025477 AMAQI
26th Jul 2025288 AMAQI
26th Jul 2025259 AMAQI
26th Jul 20252110 AMAQI
26th Jul 20252511 AMAQI
26th Jul 20252912 PMAQI
26th Jul 2025321 PMAQI
26th Jul 2025342 PMAQI
26th Jul 2025283 PMAQI
26th Jul 2025304 PMAQI
26th Jul 2025345 PMAQI
26th Jul 2025366 PMAQI
26th Jul 2025407 PMAQI
26th Jul 2025478 PMAQI
26th Jul 2025469 PMAQI
26th Jul 20254610 PMAQI
26th Jul 20254411 PMAQI
27th Jul 20254612 AMAQI
27th Jul 2025491 AMAQI
27th Jul 2025502 AMAQI
27th Jul 2025483 AMAQI
27th Jul 2025484 AMAQI
28°C25/30°C
27th Jul 2025485 AMAQI
27th Jul 2025486 AMAQI
27th Jul 2025487 AMAQI
27th Jul 2025418 AMAQI
27th Jul 2025399 AMAQI
27th Jul 20254010 AMAQI
27th Jul 20253811 AMAQI
27th Jul 20253412 PMAQI
27th Jul 2025321 PMAQI
27th Jul 2025342 PMAQI
27th Jul 2025363 PMAQI
27th Jul 2025404 PMAQI
27th Jul 2025405 PMAQI
27th Jul 2025436 PMAQI
27th Jul 2025457 PMAQI
27th Jul 2025458 PMAQI
27th Jul 2025429 PMAQI
27th Jul 20254010 PMAQI
27th Jul 20254311 PMAQI
28th Jul 20254312 AMAQI
28th Jul 2025481 AMAQI
28th Jul 2025482 AMAQI
28th Jul 2025473 AMAQI
28th Jul 2025464 AMAQI
27°C25/30°C
28th Jul 2025465 AMAQI
28th Jul 2025466 AMAQI
28th Jul 2025467 AMAQI
28th Jul 2025368 AMAQI
28th Jul 2025379 AMAQI
28th Jul 20253710 AMAQI
28th Jul 20253811 AMAQI
28th Jul 20253812 PMAQI
28th Jul 2025341 PMAQI
28th Jul 2025312 PMAQI
28th Jul 2025313 PMAQI
28th Jul 2025324 PMAQI
28th Jul 2025385 PMAQI
28th Jul 2025416 PMAQI
28th Jul 2025467 PMAQI
28th Jul 2025478 PMAQI
28th Jul 2025449 PMAQI
28th Jul 20254410 PMAQI
28th Jul 20254311 PMAQI
29th Jul 20254512 AMAQI
29th Jul 2025461 AMAQI
29th Jul 2025442 AMAQI
29th Jul 2025443 AMAQI
29th Jul 2025424 AMAQI
27°C24/30°C
29th Jul 2025445 AMAQI
29th Jul 2025436 AMAQI
29th Jul 2025447 AMAQI
29th Jul 2025368 AMAQI
29th Jul 2025409 AMAQI
29th Jul 20253710 AMAQI
29th Jul 20253711 AMAQI
29th Jul 20253612 PMAQI
29th Jul 2025361 PMAQI
29th Jul 2025322 PMAQI
29th Jul 2025323 PMAQI
29th Jul 2025344 PMAQI
29th Jul 2025315 PMAQI
29th Jul 2025336 PMAQI
29th Jul 2025367 PMAQI
29th Jul 2025428 PMAQI
29th Jul 2025429 PMAQI
29th Jul 20254310 PMAQI
29th Jul 20254211 PMAQI
30th Jul 20254012 AMAQI
30th Jul 2025441 AMAQI
30th Jul 2025462 AMAQI
30th Jul 2025463 AMAQI
30th Jul 2025444 AMAQI
26°C24/28°C
30th Jul 2025465 AMAQI
30th Jul 2025446 AMAQI
30th Jul 2025447 AMAQI
30th Jul 2025268 AMAQI
30th Jul 2025249 AMAQI
30th Jul 20252610 AMAQI
30th Jul 20252711 AMAQI
30th Jul 20253212 PMAQI
30th Jul 2025301 PMAQI
30th Jul 2025272 PMAQI
30th Jul 2025293 PMAQI
30th Jul 2025284 PMAQI
30th Jul 2025285 PMAQI
30th Jul 2025266 PMAQI
30th Jul 2025317 PMAQI
30th Jul 2025428 PMAQI
30th Jul 2025389 PMAQI
30th Jul 20253510 PMAQI
30th Jul 20253411 PMAQI
31st Jul 20253612 AMAQI
31st Jul 2025421 AMAQI
31st Jul 2025422 AMAQI
31st Jul 2025433 AMAQI
31st Jul 2025434 AMAQI
24°C23/25°C
31st Jul 2025435 AMAQI
31st Jul 2025436 AMAQI
31st Jul 2025437 AMAQI
31st Jul 2025438 AMAQI
31st Jul 2025439 AMAQI
31st Jul 20253810 AMAQI
31st Jul 20253811 AMAQI
31st Jul 20254412 PMAQI
31st Jul 2025491 PMAQI
31st Jul 2025522 PMAQI
31st Jul 2025543 PMAQI
31st Jul 2025524 PMAQI
31st Jul 2025535 PMAQI
31st Jul 2025566 PMAQI
31st Jul 2025577 PMAQI
31st Jul 2025538 PMAQI
31st Jul 2025539 PMAQI
31st Jul 20255410 PMAQI
31st Jul 20255311 PMAQI
1st Aug 20255112 AMAQI
1st Aug 2025451 AMAQI
1st Aug 2025512 AMAQI
1st Aug 2025443 AMAQI
1st Aug 2025454 AMAQI
27°C23/32°C
1st Aug 2025445 AMAQI
1st Aug 2025486 AMAQI
1st Aug 2025537 AMAQI
1st Aug 2025628 AMAQI
1st Aug 2025669 AMAQI
1st Aug 20256510 AMAQI
1st Aug 20256311 AMAQI
1st Aug 20256412 PMAQI
1st Aug 2025601 PMAQI
1st Aug 2025602 PMAQI
1st Aug 2025583 PMAQI
1st Aug 2025574 PMAQI
1st Aug 2025575 PMAQI
1st Aug 2025616 PMAQI
1st Aug 2025557 PMAQI
1st Aug 2025578 PMAQI
1st Aug 2025579 PMAQI
1st Aug 20255910 PMAQI
1st Aug 20256011 PMAQI
2nd Aug 20255612 AMAQI
2nd Aug 2025521 AMAQI
2nd Aug 2025502 AMAQI
2nd Aug 2025523 AMAQI
2nd Aug 2025544 AMAQI
29°C24/34°C
2nd Aug 2025555 AMAQI
2nd Aug 2025556 AMAQI
2nd Aug 2025547 AMAQI
2nd Aug 2025728 AMAQI
2nd Aug 2025669 AMAQI
2nd Aug 20256410 AMAQI
2nd Aug 20256411 AMAQI
2nd Aug 20256812 PMAQI
2nd Aug 2025631 PMAQI
2nd Aug 2025662 PMAQI
2nd Aug 2025713 PMAQI
2nd Aug 2025644 PMAQI
2nd Aug 2025625 PMAQI
2nd Aug 2025616 PMAQI
2nd Aug 2025587 PMAQI
2nd Aug 2025588 PMAQI
2nd Aug 2025569 PMAQI
2nd Aug 20255710 PMAQI
2nd Aug 20255811 PMAQI
3rd Aug 20255412 AMAQI
3rd Aug 2025531 AMAQI
3rd Aug 2025522 AMAQI
3rd Aug 2025553 AMAQI
3rd Aug 2025564 AMAQI
29°C25/36°C
3rd Aug 2025565 AMAQI
3rd Aug 2025566 AMAQI
3rd Aug 2025577 AMAQI
3rd Aug 2025638 AMAQI
3rd Aug 2025709 AMAQI
3rd Aug 20256610 AMAQI
3rd Aug 20257011 AMAQI
3rd Aug 20257312 PMAQI
3rd Aug 2025681 PMAQI
3rd Aug 2025662 PMAQI
3rd Aug 2025653 PMAQI
3rd Aug 2025674 PMAQI
3rd Aug 2025655 PMAQI
3rd Aug 2025626 PMAQI
3rd Aug 2025587 PMAQI
3rd Aug 2025598 PMAQI
3rd Aug 2025609 PMAQI
3rd Aug 20255810 PMAQI
3rd Aug 20255811 PMAQI
4th Aug 20255512 AMAQI
4th Aug 2025541 AMAQI
4th Aug 2025552 AMAQI
4th Aug 2025563 AMAQI
--°C/°C
5 AM
11 AM
6 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 7 AM
52AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
8 AM - 11 AM
44AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 AM (Avg. 52), while the lowest AQI was between 8 AM to 11 AM (Avg. 44).
Night time
Avg. Highest Time
12 AM - 4 AM
53AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
7 PM
49AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 53), while the lowest AQI was between 7 PM to 7 PM (Avg. 49).
2025 Days Vs Air Quality
Chengnan Station, Yuyao, Zhejiang, China
2025
12%
25
70%
151
17%
36
1%
3
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
25 DaysModerate
151 DaysPoor
36 DaysUnhealthy
3 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 12%
Health Risk Level:
Extreme
In 2025, 12% of 215 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
Chengnan Station, Yuyao, 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
129AQI
129AQI
2nd January 2025
131AQI
131AQI
3rd January 2025
120AQI
120AQI
4th January 2025
100AQI
100AQI
5th January 2025
139AQI
139AQI
6th January 2025
128AQI
128AQI
7th January 2025
143AQI
143AQI
8th January 2025
134AQI
134AQI
9th January 2025
85AQI
85AQI
10th January 2025
96AQI
96AQI
11th January 2025
106AQI
106AQI
12th January 2025
119AQI
119AQI
13th January 2025
126AQI
126AQI
14th January 2025
123AQI
123AQI
15th January 2025
78AQI
78AQI
16th January 2025
96AQI
96AQI
17th January 2025
110AQI
110AQI
18th January 2025
121AQI
121AQI
19th January 2025
120AQI
120AQI
20th January 2025
158AQI
158AQI
21st January 2025
160AQI
160AQI
22nd January 2025
123AQI
123AQI
23rd January 2025
113AQI
113AQI
24th January 2025
94AQI
94AQI
25th January 2025
76AQI
76AQI
26th January 2025
80AQI
80AQI
27th January 2025
64AQI
64AQI
28th January 2025
74AQI
74AQI
29th January 2025
113AQI
113AQI
30th January 2025
96AQI
96AQI
31st January 2025
94AQI
94AQI
1st February 2025
62AQI
62AQI
2nd February 2025
101AQI
101AQI
3rd February 2025
115AQI
115AQI
4th February 2025
112AQI
112AQI
5th February 2025
95AQI
95AQI
6th February 2025
98AQI
98AQI
7th February 2025
77AQI
77AQI
8th February 2025
69AQI
69AQI
9th February 2025
80AQI
80AQI
10th February 2025
93AQI
93AQI
11th February 2025
72AQI
72AQI
12th February 2025
129AQI
129AQI
13th February 2025
95AQI
95AQI
14th February 2025
101AQI
101AQI
15th February 2025
97AQI
97AQI
16th February 2025
105AQI
105AQI
17th February 2025
94AQI
94AQI
18th February 2025
81AQI
81AQI
19th February 2025
92AQI
92AQI
20th February 2025
72AQI
72AQI
21st February 2025
69AQI
69AQI
22nd February 2025
84AQI
84AQI
23rd February 2025
116AQI
116AQI
24th February 2025
133AQI
133AQI
25th February 2025
143AQI
143AQI
26th February 2025
150AQI
150AQI
27th February 2025
133AQI
133AQI
28th February 2025
104AQI
104AQI
1st March 2025
87AQI
87AQI
2nd March 2025
82AQI
82AQI
3rd March 2025
68AQI
68AQI
4th March 2025
59AQI
59AQI
5th March 2025
65AQI
65AQI
6th March 2025
70AQI
70AQI
7th March 2025
84AQI
84AQI
8th March 2025
115AQI
115AQI
9th March 2025
88AQI
88AQI
10th March 2025
98AQI
98AQI
11th March 2025
102AQI
102AQI
12th March 2025
89AQI
89AQI
13th March 2025
68AQI
68AQI
14th March 2025
67AQI
67AQI
15th March 2025
50AQI
50AQI
16th March 2025
80AQI
80AQI
17th March 2025
67AQI
67AQI
18th March 2025
81AQI
81AQI
19th March 2025
88AQI
88AQI
20th March 2025
89AQI
89AQI
21st March 2025
80AQI
80AQI
22nd March 2025
87AQI
87AQI
23rd March 2025
85AQI
85AQI
24th March 2025
95AQI
95AQI
25th March 2025
96AQI
96AQI
26th March 2025
122AQI
122AQI
27th March 2025
103AQI
103AQI
28th March 2025
86AQI
86AQI
29th March 2025
88AQI
88AQI
30th March 2025
74AQI
74AQI
31st March 2025
66AQI
66AQI
1st April 2025
73AQI
73AQI
2nd April 2025
81AQI
81AQI
3rd April 2025
85AQI
85AQI
4th April 2025
83AQI
83AQI
5th April 2025
93AQI
93AQI
6th April 2025
101AQI
101AQI
7th April 2025
87AQI
87AQI
8th April 2025
95AQI
95AQI
9th April 2025
98AQI
98AQI
10th April 2025
91AQI
91AQI
11th April 2025
85AQI
85AQI
12th April 2025
187AQI
187AQI
13th April 2025
88AQI
88AQI
14th April 2025
102AQI
102AQI
15th April 2025
76AQI
76AQI
16th April 2025
84AQI
84AQI
17th April 2025
92AQI
92AQI
18th April 2025
93AQI
93AQI
19th April 2025
93AQI
93AQI
20th April 2025
104AQI
104AQI
21st April 2025
84AQI
84AQI
22nd April 2025
81AQI
81AQI
23rd April 2025
61AQI
61AQI
24th April 2025
88AQI
88AQI
25th April 2025
64AQI
64AQI
26th April 2025
69AQI
69AQI
27th April 2025
67AQI
67AQI
28th April 2025
77AQI
77AQI
29th April 2025
66AQI
66AQI
30th April 2025
78AQI
78AQI
1st May 2025
74AQI
74AQI
2nd May 2025
76AQI
76AQI
3rd May 2025
79AQI
79AQI
4th May 2025
62AQI
62AQI
5th May 2025
75AQI
75AQI
6th May 2025
89AQI
89AQI
7th May 2025
89AQI
89AQI
8th May 2025
72AQI
72AQI
9th May 2025
67AQI
67AQI
10th May 2025
61AQI
61AQI
11th May 2025
68AQI
68AQI
12th May 2025
72AQI
72AQI
13th May 2025
70AQI
70AQI
14th May 2025
70AQI
70AQI
15th May 2025
84AQI
84AQI
16th May 2025
71AQI
71AQI
17th May 2025
75AQI
75AQI
18th May 2025
77AQI
77AQI
19th May 2025
61AQI
61AQI
20th May 2025
64AQI
64AQI
21st May 2025
51AQI
51AQI
22nd May 2025
65AQI
65AQI
23rd May 2025
51AQI
51AQI
24th May 2025
82AQI
82AQI
25th May 2025
82AQI
82AQI
26th May 2025
78AQI
78AQI
27th May 2025
69AQI
69AQI
28th May 2025
67AQI
67AQI
29th May 2025
65AQI
65AQI
30th May 2025
79AQI
79AQI
31st May 2025
77AQI
77AQI
1st June 2025
59AQI
59AQI
2nd June 2025
53AQI
53AQI
3rd June 2025
64AQI
64AQI
4th June 2025
80AQI
80AQI
5th June 2025
58AQI
58AQI
6th June 2025
68AQI
68AQI
7th June 2025
74AQI
74AQI
8th June 2025
54AQI
54AQI
9th June 2025
68AQI
68AQI
10th June 2025
58AQI
58AQI
11th June 2025
56AQI
56AQI
12th June 2025
57AQI
57AQI
13th June 2025
47AQI
47AQI
14th June 2025
55AQI
55AQI
15th June 2025
46AQI
46AQI
16th June 2025
51AQI
51AQI
17th June 2025
58AQI
58AQI
18th June 2025
57AQI
57AQI
19th June 2025
56AQI
56AQI
20th June 2025
49AQI
49AQI
21st June 2025
56AQI
56AQI
22nd June 2025
61AQI
61AQI
23rd June 2025
53AQI
53AQI
24th June 2025
57AQI
57AQI
25th June 2025
60AQI
60AQI
26th June 2025
58AQI
58AQI
27th June 2025
59AQI
59AQI
28th June 2025
54AQI
54AQI
29th June 2025
55AQI
55AQI
30th June 2025
49AQI
49AQI
1st July 2025
48AQI
48AQI
2nd July 2025
51AQI
51AQI
3rd July 2025
52AQI
52AQI
4th July 2025
53AQI
53AQI
5th July 2025
51AQI
51AQI
6th July 2025
47AQI
47AQI
7th July 2025
42AQI
42AQI
8th July 2025
45AQI
45AQI
9th July 2025
46AQI
46AQI
10th July 2025
56AQI
56AQI
11th July 2025
48AQI
48AQI
12th July 2025
47AQI
47AQI
13th July 2025
55AQI
55AQI
14th July 2025
61AQI
61AQI
15th July 2025
64AQI
64AQI
16th July 2025
63AQI
63AQI
17th July 2025
64AQI
64AQI
18th July 2025
59AQI
59AQI
19th July 2025
48AQI
48AQI
20th July 2025
48AQI
48AQI
21st July 2025
44AQI
44AQI
22nd July 2025
44AQI
44AQI
23rd July 2025
42AQI
42AQI
24th July 2025
43AQI
43AQI
25th July 2025
42AQI
42AQI
26th July 2025
40AQI
40AQI
27th July 2025
43AQI
43AQI
28th July 2025
42AQI
42AQI
29th July 2025
40AQI
40AQI
30th July 2025
36AQI
36AQI
31st July 2025
47AQI
47AQI
1st August 2025
55AQI
55AQI
2nd August 2025
59AQI
59AQI
3rd August 2025
55AQI
55AQI
111AQI
99AQI
83AQI
88AQI
72AQI
58AQI
49AQI
56AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202579AQI
12
17
2
16
12
1
26
4
26
3
1
31
4
26
20
11
3
25
151
36
3
Highest AQI recorded in
January111AQI
Lowest AQI recorded in
July49AQI
202475AQI
8
9
1
1
2
3
3
4
8
4
26
11
20
5
26
8
20
1
8
19
4
4
23
3
9
21
1
44
156
41
11
Highest AQI recorded in
January151AQI
Lowest AQI recorded in
July50AQI
2023119AQI
3
10
15
6
13
15
6
Highest AQI recorded in
December123AQI
Lowest AQI recorded in
November78AQI
202272AQI
2
8
1
2
15
3
5
22
3
1
16
3
27
1
14
16
6
17
1
4
3
18
4
2
2
35
145
12
4
Highest AQI recorded in
September87AQI
Lowest AQI recorded in
June57AQI
202172AQI
6
14
7
17
19
12
11
20
5
23
2
6
14
24
5
18
12
48
134
33
Highest AQI recorded in
January111AQI
Lowest AQI recorded in
July46AQI
202074AQI
5
7
1
1
15
5
16
2
13
17
13
17
16
13
4
23
3
4
23
4
1
23
6
9
14
8
57
163
35
8
Highest AQI recorded in
December125AQI
Lowest AQI recorded in
August50AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
119AQILeast Polluted Year Recorded
2021(Avg.)
72AQIChengnan Station's annual 2025 AQI (79) shows an average percentage change of 0.3% (worsened AQI) compared to previous years: 2020 (74), 2021 (72), 2022 (72), 2023 (119), 2024 (75).
