Chengdong Station, Shanhu, 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
Chengdong Station, Shanhu, Zhejiang, China
2021
2022
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
12th Aug 2024
79AQILowest AQI recorded on
5th Aug 2021
21AQISame Day Analysis (6th August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 50 of Good 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
Chengdong Station, Shanhu, Zhejiang, China
AQI
Day
Night
.
5 AM6th Aug 2025
6 PM
4 AM7th Aug 2025
Day time
Avg. Highest Time
6AM6th Aug
55AQI
Avg. Lowest Time
2PM6th Aug
34AQI
Night time
Avg. Highest Time
11PM6th Aug
58AQI
Avg. Lowest Time
7PM6th Aug
51AQI
In the last 24 hours,
Chengdong Station's AQI reached its highest point of 58 at 11 PM during the Night, while the lowest point, 34, was recorded at 2 PM during the Day between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Chengdong Station, Shanhu, 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 2025525 AMAQI
8th Jul 2025526 AMAQI
8th Jul 2025527 AMAQI
8th Jul 2025388 AMAQI
8th Jul 2025379 AMAQI
8th Jul 20253310 AMAQI
8th Jul 20253411 AMAQI
8th Jul 20254012 PMAQI
8th Jul 2025401 PMAQI
8th Jul 2025372 PMAQI
8th Jul 2025363 PMAQI
8th Jul 2025374 PMAQI
8th Jul 2025395 PMAQI
8th Jul 2025446 PMAQI
8th Jul 2025507 PMAQI
8th Jul 2025498 PMAQI
8th Jul 2025459 PMAQI
8th Jul 20254210 PMAQI
8th Jul 20254211 PMAQI
9th Jul 20254512 AMAQI
9th Jul 2025531 AMAQI
9th Jul 2025532 AMAQI
9th Jul 2025523 AMAQI
9th Jul 2025514 AMAQI
24°C23/27°C
9th Jul 2025525 AMAQI
9th Jul 2025526 AMAQI
9th Jul 2025517 AMAQI
9th Jul 2025378 AMAQI
9th Jul 2025309 AMAQI
9th Jul 20253310 AMAQI
9th Jul 20253411 AMAQI
9th Jul 20254012 PMAQI
9th Jul 2025401 PMAQI
9th Jul 2025402 PMAQI
9th Jul 2025403 PMAQI
9th Jul 2025384 PMAQI
9th Jul 2025355 PMAQI
9th Jul 2025376 PMAQI
9th Jul 2025417 PMAQI
9th Jul 2025488 PMAQI
9th Jul 2025449 PMAQI
9th Jul 20254510 PMAQI
9th Jul 20254311 PMAQI
10th Jul 20254212 AMAQI
10th Jul 2025471 AMAQI
10th Jul 2025532 AMAQI
10th Jul 2025523 AMAQI
10th Jul 2025514 AMAQI
26°C23/32°C
10th Jul 2025525 AMAQI
10th Jul 2025526 AMAQI
10th Jul 2025527 AMAQI
10th Jul 2025398 AMAQI
10th Jul 2025349 AMAQI
10th Jul 20253010 AMAQI
10th Jul 20253511 AMAQI
10th Jul 20254812 PMAQI
10th Jul 2025501 PMAQI
10th Jul 2025562 PMAQI
10th Jul 2025553 PMAQI
10th Jul 2025544 PMAQI
10th Jul 2025545 PMAQI
10th Jul 2025546 PMAQI
10th Jul 2025567 PMAQI
10th Jul 2025558 PMAQI
10th Jul 2025579 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255711 PMAQI
11th Jul 20255412 AMAQI
11th Jul 2025521 AMAQI
11th Jul 2025522 AMAQI
11th Jul 2025523 AMAQI
11th Jul 2025544 AMAQI
26°C22/32°C
11th Jul 2025545 AMAQI
11th Jul 2025536 AMAQI
11th Jul 2025537 AMAQI
11th Jul 2025448 AMAQI
11th Jul 2025469 AMAQI
11th Jul 20254010 AMAQI
11th Jul 20253611 AMAQI
11th Jul 20254212 PMAQI
11th Jul 2025411 PMAQI
11th Jul 2025422 PMAQI
11th Jul 2025413 PMAQI
11th Jul 2025354 PMAQI
11th Jul 2025375 PMAQI
11th Jul 2025366 PMAQI
11th Jul 2025377 PMAQI
11th Jul 2025428 PMAQI
11th Jul 2025429 PMAQI
11th Jul 20254410 PMAQI
11th Jul 20254611 PMAQI
12th Jul 20254612 AMAQI
12th Jul 2025521 AMAQI
12th Jul 2025532 AMAQI
12th Jul 2025533 AMAQI
12th Jul 2025534 AMAQI
25°C22/30°C
12th Jul 2025525 AMAQI
12th Jul 2025526 AMAQI
12th Jul 2025527 AMAQI
12th Jul 2025468 AMAQI
12th Jul 2025429 AMAQI
12th Jul 20253910 AMAQI
12th Jul 20253711 AMAQI
12th Jul 20254212 PMAQI
12th Jul 2025441 PMAQI
12th Jul 2025392 PMAQI
12th Jul 2025423 PMAQI
12th Jul 2025394 PMAQI
12th Jul 2025445 PMAQI
12th Jul 2025446 PMAQI
12th Jul 2025457 PMAQI
12th Jul 2025458 PMAQI
12th Jul 2025469 PMAQI
12th Jul 20254610 PMAQI
12th Jul 20254811 PMAQI
13th Jul 20254712 AMAQI
13th Jul 2025541 AMAQI
13th Jul 2025542 AMAQI
13th Jul 2025523 AMAQI
13th Jul 2025524 AMAQI
26°C23/30°C
13th Jul 2025525 AMAQI
13th Jul 2025526 AMAQI
13th Jul 2025527 AMAQI
13th Jul 2025528 AMAQI
13th Jul 2025509 AMAQI
13th Jul 20255410 AMAQI
13th Jul 20255311 AMAQI
13th Jul 20255212 PMAQI
13th Jul 2025511 PMAQI
13th Jul 2025502 PMAQI
13th Jul 2025493 PMAQI
13th Jul 2025464 PMAQI
13th Jul 2025505 PMAQI
13th Jul 2025526 PMAQI
13th Jul 2025547 PMAQI
13th Jul 2025548 PMAQI
13th Jul 2025549 PMAQI
13th Jul 20255410 PMAQI
13th Jul 20255411 PMAQI
14th Jul 20255412 AMAQI
14th Jul 2025531 AMAQI
14th Jul 2025522 AMAQI
14th Jul 2025533 AMAQI
14th Jul 2025534 AMAQI
26°C23/31°C
14th Jul 2025535 AMAQI
14th Jul 2025536 AMAQI
14th Jul 2025537 AMAQI
14th Jul 2025568 AMAQI
14th Jul 2025569 AMAQI
14th Jul 20255810 AMAQI
14th Jul 20256011 AMAQI
14th Jul 20255812 PMAQI
14th Jul 2025601 PMAQI
14th Jul 2025602 PMAQI
14th Jul 2025623 PMAQI
14th Jul 2025614 PMAQI
14th Jul 2025615 PMAQI
14th Jul 2025606 PMAQI
14th Jul 2025607 PMAQI
14th Jul 2025588 PMAQI
14th Jul 2025599 PMAQI
14th Jul 20256010 PMAQI
14th Jul 20256011 PMAQI
15th Jul 20255712 AMAQI
15th Jul 2025561 AMAQI
15th Jul 2025552 AMAQI
15th Jul 2025563 AMAQI
15th Jul 2025584 AMAQI
27°C22/33°C
15th Jul 2025585 AMAQI
15th Jul 2025576 AMAQI
15th Jul 2025577 AMAQI
15th Jul 2025688 AMAQI
15th Jul 2025709 AMAQI
15th Jul 20256910 AMAQI
15th Jul 20256811 AMAQI
15th Jul 20256412 PMAQI
15th Jul 2025691 PMAQI
15th Jul 2025662 PMAQI
15th Jul 2025643 PMAQI
15th Jul 2025664 PMAQI
15th Jul 2025655 PMAQI
15th Jul 2025646 PMAQI
15th Jul 2025657 PMAQI
15th Jul 2025628 PMAQI
15th Jul 2025659 PMAQI
15th Jul 20256710 PMAQI
15th Jul 20256411 PMAQI
16th Jul 20256212 AMAQI
16th Jul 2025561 AMAQI
16th Jul 2025552 AMAQI
16th Jul 2025573 AMAQI
16th Jul 2025594 AMAQI
28°C22/36°C
16th Jul 2025595 AMAQI
16th Jul 2025596 AMAQI
16th Jul 2025587 AMAQI
16th Jul 2025658 AMAQI
16th Jul 2025669 AMAQI
16th Jul 20256310 AMAQI
16th Jul 20256211 AMAQI
16th Jul 20256412 PMAQI
16th Jul 2025631 PMAQI
16th Jul 2025632 PMAQI
16th Jul 2025623 PMAQI
16th Jul 2025654 PMAQI
16th Jul 2025645 PMAQI
16th Jul 2025636 PMAQI
16th Jul 2025637 PMAQI
16th Jul 2025628 PMAQI
16th Jul 2025629 PMAQI
16th Jul 20256110 PMAQI
16th Jul 20256211 PMAQI
17th Jul 20256212 AMAQI
17th Jul 2025601 AMAQI
17th Jul 2025602 AMAQI
17th Jul 2025603 AMAQI
17th Jul 2025604 AMAQI
29°C24/36°C
17th Jul 2025605 AMAQI
17th Jul 2025606 AMAQI
17th Jul 2025607 AMAQI
17th Jul 2025588 AMAQI
17th Jul 2025569 AMAQI
17th Jul 20256010 AMAQI
17th Jul 20256211 AMAQI
17th Jul 20256512 PMAQI
17th Jul 2025631 PMAQI
17th Jul 2025632 PMAQI
17th Jul 2025663 PMAQI
17th Jul 2025614 PMAQI
17th Jul 2025625 PMAQI
17th Jul 2025626 PMAQI
17th Jul 2025607 PMAQI
17th Jul 2025598 PMAQI
17th Jul 2025589 PMAQI
17th Jul 20255910 PMAQI
17th Jul 20255911 PMAQI
18th Jul 20256012 AMAQI
18th Jul 2025601 AMAQI
18th Jul 2025612 AMAQI
18th Jul 2025613 AMAQI
18th Jul 2025614 AMAQI
29°C24/35°C
18th Jul 2025615 AMAQI
18th Jul 2025616 AMAQI
18th Jul 2025627 AMAQI
18th Jul 2025578 AMAQI
18th Jul 2025559 AMAQI
18th Jul 20255610 AMAQI
18th Jul 20255711 AMAQI
18th Jul 20255612 PMAQI
18th Jul 2025571 PMAQI
18th Jul 2025562 PMAQI
18th Jul 2025663 PMAQI
18th Jul 2025694 PMAQI
18th Jul 2025555 PMAQI
18th Jul 2025506 PMAQI
18th Jul 2025497 PMAQI
18th Jul 2025538 PMAQI
18th Jul 2025549 PMAQI
18th Jul 20255310 PMAQI
18th Jul 20255311 PMAQI
19th Jul 20255412 AMAQI
19th Jul 2025591 AMAQI
19th Jul 2025602 AMAQI
19th Jul 2025593 AMAQI
19th Jul 2025594 AMAQI
27°C23/33°C
19th Jul 2025585 AMAQI
19th Jul 2025596 AMAQI
19th Jul 2025597 AMAQI
19th Jul 2025358 AMAQI
19th Jul 2025269 AMAQI
19th Jul 20252210 AMAQI
19th Jul 20252711 AMAQI
19th Jul 20253012 PMAQI
19th Jul 2025321 PMAQI
19th Jul 2025312 PMAQI
19th Jul 2025313 PMAQI
19th Jul 2025284 PMAQI
19th Jul 2025295 PMAQI
19th Jul 2025306 PMAQI
19th Jul 2025407 PMAQI
19th Jul 2025528 PMAQI
19th Jul 2025539 PMAQI
19th Jul 20255210 PMAQI
19th Jul 20255311 PMAQI
20th Jul 20255412 AMAQI
20th Jul 2025591 AMAQI
20th Jul 2025582 AMAQI
20th Jul 2025573 AMAQI
20th Jul 2025564 AMAQI
26°C23/31°C
20th Jul 2025555 AMAQI
20th Jul 2025556 AMAQI
20th Jul 2025567 AMAQI
20th Jul 2025468 AMAQI
20th Jul 2025299 AMAQI
20th Jul 20252410 AMAQI
20th Jul 20252411 AMAQI
20th Jul 20252812 PMAQI
20th Jul 2025331 PMAQI
20th Jul 2025322 PMAQI
20th Jul 2025293 PMAQI
20th Jul 2025314 PMAQI
20th Jul 2025325 PMAQI
20th Jul 2025326 PMAQI
20th Jul 2025387 PMAQI
20th Jul 2025518 PMAQI
20th Jul 2025499 PMAQI
20th Jul 20255210 PMAQI
20th Jul 20255111 PMAQI
21st Jul 20255312 AMAQI
21st Jul 2025561 AMAQI
21st Jul 2025562 AMAQI
21st Jul 2025553 AMAQI
21st Jul 2025544 AMAQI
27°C24/31°C
21st Jul 2025545 AMAQI
21st Jul 2025546 AMAQI
21st Jul 2025547 AMAQI
21st Jul 2025308 AMAQI
21st Jul 2025249 AMAQI
21st Jul 20252010 AMAQI
21st Jul 20252211 AMAQI
21st Jul 20252412 PMAQI
21st Jul 2025241 PMAQI
21st Jul 2025232 PMAQI
21st Jul 2025223 PMAQI
21st Jul 2025224 PMAQI
21st Jul 2025235 PMAQI
21st Jul 2025236 PMAQI
21st Jul 2025327 PMAQI
21st Jul 2025438 PMAQI
21st Jul 2025469 PMAQI
21st Jul 20254710 PMAQI
21st Jul 20254611 PMAQI
22nd Jul 20254612 AMAQI
22nd Jul 2025551 AMAQI
22nd Jul 2025552 AMAQI
22nd Jul 2025543 AMAQI
22nd Jul 2025524 AMAQI
27°C24/31°C
22nd Jul 2025525 AMAQI
22nd Jul 2025526 AMAQI
22nd Jul 2025527 AMAQI
22nd Jul 2025298 AMAQI
22nd Jul 2025239 AMAQI
22nd Jul 20252310 AMAQI
22nd Jul 20252411 AMAQI
22nd Jul 20252412 PMAQI
22nd Jul 2025251 PMAQI
22nd Jul 2025272 PMAQI
22nd Jul 2025293 PMAQI
22nd Jul 2025304 PMAQI
22nd Jul 2025325 PMAQI
22nd Jul 2025306 PMAQI
22nd Jul 2025377 PMAQI
22nd Jul 2025478 PMAQI
22nd Jul 2025469 PMAQI
22nd Jul 20254810 PMAQI
22nd Jul 20254611 PMAQI
23rd Jul 20254612 AMAQI
23rd Jul 2025521 AMAQI
23rd Jul 2025532 AMAQI
23rd Jul 2025523 AMAQI
23rd Jul 2025514 AMAQI
27°C23/32°C
23rd Jul 2025505 AMAQI
23rd Jul 2025506 AMAQI
23rd Jul 2025517 AMAQI
23rd Jul 2025338 AMAQI
23rd Jul 2025289 AMAQI
23rd Jul 20252910 AMAQI
23rd Jul 20252911 AMAQI
23rd Jul 20253012 PMAQI
23rd Jul 2025321 PMAQI
23rd Jul 2025312 PMAQI
23rd Jul 2025293 PMAQI
23rd Jul 2025324 PMAQI
23rd Jul 2025305 PMAQI
23rd Jul 2025306 PMAQI
23rd Jul 2025367 PMAQI
23rd Jul 2025438 PMAQI
23rd Jul 2025449 PMAQI
23rd Jul 20254210 PMAQI
23rd Jul 20254211 PMAQI
24th Jul 20254312 AMAQI
24th Jul 2025431 AMAQI
24th Jul 2025492 AMAQI
24th Jul 2025513 AMAQI
24th Jul 2025494 AMAQI
27°C22/33°C
24th Jul 2025485 AMAQI
24th Jul 2025496 AMAQI
24th Jul 2025497 AMAQI
24th Jul 2025398 AMAQI
24th Jul 2025339 AMAQI
24th Jul 20253210 AMAQI
24th Jul 20253211 AMAQI
24th Jul 20253312 PMAQI
24th Jul 2025321 PMAQI
24th Jul 2025302 PMAQI
24th Jul 2025303 PMAQI
24th Jul 2025324 PMAQI
24th Jul 2025305 PMAQI
24th Jul 2025326 PMAQI
24th Jul 2025367 PMAQI
24th Jul 2025448 PMAQI
24th Jul 2025499 PMAQI
24th Jul 20255010 PMAQI
24th Jul 20254811 PMAQI
25th Jul 20255012 AMAQI
25th Jul 2025481 AMAQI
25th Jul 2025482 AMAQI
25th Jul 2025473 AMAQI
25th Jul 2025464 AMAQI
27°C22/32°C
25th Jul 2025465 AMAQI
25th Jul 2025466 AMAQI
25th Jul 2025457 AMAQI
25th Jul 2025368 AMAQI
25th Jul 2025389 AMAQI
25th Jul 20254010 AMAQI
25th Jul 20253911 AMAQI
25th Jul 20254012 PMAQI
25th Jul 2025401 PMAQI
25th Jul 2025382 PMAQI
25th Jul 2025353 PMAQI
25th Jul 2025344 PMAQI
25th Jul 2025305 PMAQI
25th Jul 2025326 PMAQI
25th Jul 2025387 PMAQI
25th Jul 2025368 PMAQI
25th Jul 2025409 PMAQI
25th Jul 20253810 PMAQI
25th Jul 20253511 PMAQI
26th Jul 20254012 AMAQI
26th Jul 2025471 AMAQI
26th Jul 2025482 AMAQI
26th Jul 2025493 AMAQI
26th Jul 2025474 AMAQI
25°C22/27°C
26th Jul 2025475 AMAQI
26th Jul 2025476 AMAQI
26th Jul 2025477 AMAQI
26th Jul 2025318 AMAQI
26th Jul 2025259 AMAQI
26th Jul 20252510 AMAQI
26th Jul 20252611 AMAQI
26th Jul 20252912 PMAQI
26th Jul 2025281 PMAQI
26th Jul 2025312 PMAQI
26th Jul 2025283 PMAQI
26th Jul 2025304 PMAQI
26th Jul 2025325 PMAQI
26th Jul 2025326 PMAQI
26th Jul 2025367 PMAQI
26th Jul 2025408 PMAQI
26th Jul 2025409 PMAQI
26th Jul 20254010 PMAQI
26th Jul 20254411 PMAQI
27th Jul 20254412 AMAQI
27th Jul 2025471 AMAQI
27th Jul 2025452 AMAQI
27th Jul 2025463 AMAQI
27th Jul 2025454 AMAQI
27°C24/31°C
27th Jul 2025455 AMAQI
27th Jul 2025456 AMAQI
27th Jul 2025467 AMAQI
27th Jul 2025408 AMAQI
27th Jul 2025389 AMAQI
27th Jul 20254210 AMAQI
27th Jul 20253911 AMAQI
27th Jul 20253412 PMAQI
27th Jul 2025341 PMAQI
27th Jul 2025342 PMAQI
27th Jul 2025343 PMAQI
27th Jul 2025364 PMAQI
27th Jul 2025345 PMAQI
27th Jul 2025386 PMAQI
27th Jul 2025467 PMAQI
27th Jul 2025448 PMAQI
27th Jul 2025429 PMAQI
27th Jul 20254010 PMAQI
27th Jul 20254111 PMAQI
28th Jul 20254212 AMAQI
28th Jul 2025461 AMAQI
28th Jul 2025462 AMAQI
28th Jul 2025463 AMAQI
28th Jul 2025434 AMAQI
27°C23/32°C
28th Jul 2025435 AMAQI
28th Jul 2025436 AMAQI
28th Jul 2025427 AMAQI
28th Jul 2025368 AMAQI
28th Jul 2025369 AMAQI
28th Jul 20253810 AMAQI
28th Jul 20253711 AMAQI
28th Jul 20253612 PMAQI
28th Jul 2025321 PMAQI
28th Jul 2025312 PMAQI
28th Jul 2025323 PMAQI
28th Jul 2025324 PMAQI
28th Jul 2025325 PMAQI
28th Jul 2025336 PMAQI
28th Jul 2025417 PMAQI
28th Jul 2025408 PMAQI
28th Jul 2025389 PMAQI
28th Jul 20253710 PMAQI
28th Jul 20254011 PMAQI
29th Jul 20254112 AMAQI
29th Jul 2025431 AMAQI
29th Jul 2025442 AMAQI
29th Jul 2025423 AMAQI
29th Jul 2025424 AMAQI
26°C23/30°C
29th Jul 2025425 AMAQI
29th Jul 2025426 AMAQI
29th Jul 2025427 AMAQI
29th Jul 2025328 AMAQI
29th Jul 2025359 AMAQI
29th Jul 20253610 AMAQI
29th Jul 20253711 AMAQI
29th Jul 20253512 PMAQI
29th Jul 2025361 PMAQI
29th Jul 2025362 PMAQI
29th Jul 2025323 PMAQI
29th Jul 2025334 PMAQI
29th Jul 2025305 PMAQI
29th Jul 2025306 PMAQI
29th Jul 2025347 PMAQI
29th Jul 2025428 PMAQI
29th Jul 2025409 PMAQI
29th Jul 20254010 PMAQI
29th Jul 20254211 PMAQI
30th Jul 20254112 AMAQI
30th Jul 2025431 AMAQI
30th Jul 2025442 AMAQI
30th Jul 2025443 AMAQI
30th Jul 2025444 AMAQI
25°C23/30°C
30th Jul 2025435 AMAQI
30th Jul 2025446 AMAQI
30th Jul 2025437 AMAQI
30th Jul 2025378 AMAQI
30th Jul 2025399 AMAQI
30th Jul 20253510 AMAQI
30th Jul 20253311 AMAQI
30th Jul 20253512 PMAQI
30th Jul 2025341 PMAQI
30th Jul 2025352 PMAQI
30th Jul 2025323 PMAQI
30th Jul 2025324 PMAQI
30th Jul 2025325 PMAQI
30th Jul 2025326 PMAQI
30th Jul 2025367 PMAQI
30th Jul 2025398 PMAQI
30th Jul 2025379 PMAQI
30th Jul 20253710 PMAQI
30th Jul 20253411 PMAQI
31st Jul 20253612 AMAQI
31st Jul 2025391 AMAQI
31st Jul 2025402 AMAQI
31st Jul 2025423 AMAQI
31st Jul 2025434 AMAQI
24°C22/27°C
31st Jul 2025435 AMAQI
31st Jul 2025436 AMAQI
31st Jul 2025437 AMAQI
31st Jul 2025438 AMAQI
31st Jul 2025439 AMAQI
31st Jul 20253410 AMAQI
31st Jul 20253011 AMAQI
31st Jul 20253212 PMAQI
31st Jul 2025381 PMAQI
31st Jul 2025382 PMAQI
31st Jul 2025463 PMAQI
31st Jul 2025424 PMAQI
31st Jul 2025425 PMAQI
31st Jul 2025466 PMAQI
31st Jul 2025527 PMAQI
31st Jul 2025538 PMAQI
31st Jul 2025549 PMAQI
31st Jul 20255410 PMAQI
31st Jul 20255411 PMAQI
1st Aug 20255412 AMAQI
1st Aug 2025471 AMAQI
1st Aug 2025522 AMAQI
1st Aug 2025443 AMAQI
1st Aug 2025434 AMAQI
27°C21/33°C
1st Aug 2025435 AMAQI
1st Aug 2025486 AMAQI
1st Aug 2025537 AMAQI
1st Aug 2025568 AMAQI
1st Aug 2025609 AMAQI
1st Aug 20256110 AMAQI
1st Aug 20255911 AMAQI
1st Aug 20256212 PMAQI
1st Aug 2025561 PMAQI
1st Aug 2025472 PMAQI
1st Aug 2025533 PMAQI
1st Aug 2025554 PMAQI
1st Aug 2025535 PMAQI
1st Aug 2025546 PMAQI
1st Aug 2025567 PMAQI
1st Aug 2025588 PMAQI
1st Aug 2025589 PMAQI
1st Aug 20255810 PMAQI
1st Aug 20256011 PMAQI
2nd Aug 20255512 AMAQI
2nd Aug 2025511 AMAQI
2nd Aug 2025512 AMAQI
2nd Aug 2025523 AMAQI
2nd Aug 2025544 AMAQI
28°C23/35°C
2nd Aug 2025555 AMAQI
2nd Aug 2025546 AMAQI
2nd Aug 2025547 AMAQI
2nd Aug 2025638 AMAQI
2nd Aug 2025669 AMAQI
2nd Aug 20256810 AMAQI
2nd Aug 20256011 AMAQI
2nd Aug 20256712 PMAQI
2nd Aug 2025661 PMAQI
2nd Aug 2025652 PMAQI
2nd Aug 2025643 PMAQI
2nd Aug 2025634 PMAQI
2nd Aug 2025645 PMAQI
2nd Aug 2025616 PMAQI
2nd Aug 2025567 PMAQI
2nd Aug 2025588 PMAQI
2nd Aug 2025589 PMAQI
2nd Aug 20255710 PMAQI
2nd Aug 20255811 PMAQI
3rd Aug 20255512 AMAQI
3rd Aug 2025531 AMAQI
3rd Aug 2025532 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025564 AMAQI
29°C24/36°C
3rd Aug 2025575 AMAQI
3rd Aug 2025566 AMAQI
3rd Aug 2025567 AMAQI
3rd Aug 2025648 AMAQI
3rd Aug 2025679 AMAQI
3rd Aug 20255910 AMAQI
3rd Aug 20256311 AMAQI
3rd Aug 20255812 PMAQI
3rd Aug 2025651 PMAQI
3rd Aug 2025582 PMAQI
3rd Aug 2025603 PMAQI
3rd Aug 2025624 PMAQI
3rd Aug 2025595 PMAQI
3rd Aug 2025596 PMAQI
3rd Aug 2025567 PMAQI
3rd Aug 2025588 PMAQI
3rd Aug 2025589 PMAQI
3rd Aug 20255910 PMAQI
3rd Aug 20255811 PMAQI
4th Aug 20255512 AMAQI
4th Aug 2025551 AMAQI
4th Aug 2025552 AMAQI
4th Aug 2025563 AMAQI
4th Aug 2025564 AMAQI
29°C24/35°C
4th Aug 2025565 AMAQI
4th Aug 2025566 AMAQI
4th Aug 2025567 AMAQI
4th Aug 2025598 AMAQI
4th Aug 2025669 AMAQI
4th Aug 20257110 AMAQI
4th Aug 20257011 AMAQI
4th Aug 20256512 PMAQI
4th Aug 2025651 PMAQI
4th Aug 2025622 PMAQI
4th Aug 2025693 PMAQI
4th Aug 2025574 PMAQI
4th Aug 2025535 PMAQI
4th Aug 2025556 PMAQI
4th Aug 2025567 PMAQI
4th Aug 2025538 PMAQI
4th Aug 2025529 PMAQI
4th Aug 20255410 PMAQI
4th Aug 20255611 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025561 AMAQI
5th Aug 2025562 AMAQI
5th Aug 2025563 AMAQI
5th Aug 2025584 AMAQI
28°C23/34°C
5th Aug 2025585 AMAQI
5th Aug 2025576 AMAQI
5th Aug 2025587 AMAQI
5th Aug 2025538 AMAQI
5th Aug 2025519 AMAQI
5th Aug 20254910 AMAQI
5th Aug 20255011 AMAQI
5th Aug 20255112 PMAQI
5th Aug 2025491 PMAQI
5th Aug 2025472 PMAQI
5th Aug 2025483 PMAQI
5th Aug 2025514 PMAQI
5th Aug 2025485 PMAQI
5th Aug 2025506 PMAQI
5th Aug 2025527 PMAQI
5th Aug 2025558 PMAQI
5th Aug 2025559 PMAQI
5th Aug 20255510 PMAQI
5th Aug 20255211 PMAQI
6th Aug 20255212 AMAQI
6th Aug 2025551 AMAQI
6th Aug 2025552 AMAQI
6th Aug 2025543 AMAQI
6th Aug 2025544 AMAQI
28°C24/35°C
6th Aug 2025545 AMAQI
6th Aug 2025556 AMAQI
6th Aug 2025547 AMAQI
6th Aug 2025398 AMAQI
6th Aug 2025409 AMAQI
6th Aug 20253410 AMAQI
6th Aug 20254411 AMAQI
6th Aug 20254012 PMAQI
6th Aug 2025351 PMAQI
6th Aug 2025342 PMAQI
6th Aug 2025423 PMAQI
6th Aug 2025364 PMAQI
6th Aug 2025455 PMAQI
6th Aug 2025386 PMAQI
6th Aug 2025517 PMAQI
6th Aug 2025568 PMAQI
6th Aug 2025569 PMAQI
6th Aug 20255610 PMAQI
6th Aug 20255811 PMAQI
7th Aug 20255812 AMAQI
7th Aug 2025541 AMAQI
7th Aug 2025552 AMAQI
7th Aug 2025543 AMAQI
7th Aug 2025534 AMAQI
29°C24/35°C
7th Aug 2025535 AMAQI
5 AM7th Aug 2025516 AMAQI
7th Aug 2025537 AMAQI
7th Aug 2025508 AMAQI
7th Aug 2025499 AMAQI
7th Aug 20254710 AMAQI
7th Aug 20253411 AMAQI
11 AM7th Aug 20252912 PMAQI
7th Aug 2025491 PMAQI
7th Aug 2025482 PMAQI
7th Aug 2025413 PMAQI
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 - 6 PM
44AQI
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. 52), while the lowest AQI was between 8 AM to 6 PM (Avg. 44).
Night time
Avg. Highest Time
12 AM - 4 AM
52AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
7 PM
47AQI
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. 52), while the lowest AQI was between 7 PM to 7 PM (Avg. 47).
2025 Days Vs Air Quality
Chengdong Station, Shanhu, Zhejiang, China
2025
13%
28
71%
155
16%
35
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Good
28 DaysModerate
155 DaysPoor
35 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 13%
Health Risk Level:
Extreme
In 2025, 13% 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
Chengdong Station, Shanhu, 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
121AQI
121AQI
2nd January 2025
123AQI
123AQI
3rd January 2025
119AQI
119AQI
4th January 2025
98AQI
98AQI
5th January 2025
130AQI
130AQI
6th January 2025
122AQI
122AQI
7th January 2025
144AQI
144AQI
8th January 2025
137AQI
137AQI
9th January 2025
90AQI
90AQI
10th January 2025
92AQI
92AQI
11th January 2025
102AQI
102AQI
12th January 2025
109AQI
109AQI
13th January 2025
124AQI
124AQI
14th January 2025
117AQI
117AQI
15th January 2025
93AQI
93AQI
16th January 2025
95AQI
95AQI
17th January 2025
108AQI
108AQI
18th January 2025
111AQI
111AQI
19th January 2025
113AQI
113AQI
20th January 2025
144AQI
144AQI
21st January 2025
150AQI
150AQI
22nd January 2025
122AQI
122AQI
23rd January 2025
109AQI
109AQI
24th January 2025
97AQI
97AQI
25th January 2025
88AQI
88AQI
26th January 2025
75AQI
75AQI
27th January 2025
66AQI
66AQI
28th January 2025
78AQI
78AQI
29th January 2025
120AQI
120AQI
30th January 2025
99AQI
99AQI
31st January 2025
102AQI
102AQI
1st February 2025
59AQI
59AQI
2nd February 2025
86AQI
86AQI
3rd February 2025
117AQI
117AQI
4th February 2025
103AQI
103AQI
5th February 2025
91AQI
91AQI
6th February 2025
98AQI
98AQI
7th February 2025
77AQI
77AQI
8th February 2025
66AQI
66AQI
9th February 2025
78AQI
78AQI
10th February 2025
87AQI
87AQI
11th February 2025
77AQI
77AQI
12th February 2025
113AQI
113AQI
13th February 2025
111AQI
111AQI
14th February 2025
92AQI
92AQI
15th February 2025
102AQI
102AQI
16th February 2025
98AQI
98AQI
17th February 2025
98AQI
98AQI
18th February 2025
77AQI
77AQI
19th February 2025
91AQI
91AQI
20th February 2025
72AQI
72AQI
21st February 2025
69AQI
69AQI
22nd February 2025
75AQI
75AQI
23rd February 2025
111AQI
111AQI
24th February 2025
129AQI
129AQI
25th February 2025
137AQI
137AQI
26th February 2025
142AQI
142AQI
27th February 2025
125AQI
125AQI
28th February 2025
100AQI
100AQI
1st March 2025
88AQI
88AQI
2nd March 2025
83AQI
83AQI
3rd March 2025
71AQI
71AQI
4th March 2025
59AQI
59AQI
5th March 2025
66AQI
66AQI
6th March 2025
66AQI
66AQI
7th March 2025
84AQI
84AQI
8th March 2025
106AQI
106AQI
9th March 2025
89AQI
89AQI
10th March 2025
85AQI
85AQI
11th March 2025
94AQI
94AQI
12th March 2025
84AQI
84AQI
13th March 2025
73AQI
73AQI
14th March 2025
68AQI
68AQI
15th March 2025
43AQI
43AQI
16th March 2025
80AQI
80AQI
17th March 2025
66AQI
66AQI
18th March 2025
79AQI
79AQI
19th March 2025
84AQI
84AQI
20th March 2025
85AQI
85AQI
21st March 2025
77AQI
77AQI
22nd March 2025
83AQI
83AQI
23rd March 2025
83AQI
83AQI
24th March 2025
90AQI
90AQI
25th March 2025
96AQI
96AQI
26th March 2025
111AQI
111AQI
27th March 2025
102AQI
102AQI
28th March 2025
85AQI
85AQI
29th March 2025
83AQI
83AQI
30th March 2025
74AQI
74AQI
31st March 2025
67AQI
67AQI
1st April 2025
74AQI
74AQI
2nd April 2025
76AQI
76AQI
3rd April 2025
91AQI
91AQI
4th April 2025
80AQI
80AQI
5th April 2025
85AQI
85AQI
6th April 2025
87AQI
87AQI
7th April 2025
88AQI
88AQI
8th April 2025
89AQI
89AQI
9th April 2025
91AQI
91AQI
10th April 2025
79AQI
79AQI
11th April 2025
83AQI
83AQI
12th April 2025
112AQI
112AQI
13th April 2025
89AQI
89AQI
14th April 2025
101AQI
101AQI
15th April 2025
76AQI
76AQI
16th April 2025
83AQI
83AQI
17th April 2025
88AQI
88AQI
18th April 2025
88AQI
88AQI
19th April 2025
85AQI
85AQI
20th April 2025
96AQI
96AQI
21st April 2025
78AQI
78AQI
22nd April 2025
72AQI
72AQI
23rd April 2025
60AQI
60AQI
24th April 2025
75AQI
75AQI
25th April 2025
66AQI
66AQI
26th April 2025
67AQI
67AQI
27th April 2025
66AQI
66AQI
28th April 2025
75AQI
75AQI
29th April 2025
68AQI
68AQI
30th April 2025
75AQI
75AQI
1st May 2025
74AQI
74AQI
2nd May 2025
74AQI
74AQI
3rd May 2025
78AQI
78AQI
4th May 2025
65AQI
65AQI
5th May 2025
69AQI
69AQI
6th May 2025
83AQI
83AQI
7th May 2025
88AQI
88AQI
8th May 2025
71AQI
71AQI
9th May 2025
66AQI
66AQI
10th May 2025
65AQI
65AQI
11th May 2025
68AQI
68AQI
12th May 2025
72AQI
72AQI
13th May 2025
72AQI
72AQI
14th May 2025
68AQI
68AQI
15th May 2025
79AQI
79AQI
16th May 2025
67AQI
67AQI
17th May 2025
74AQI
74AQI
18th May 2025
74AQI
74AQI
19th May 2025
62AQI
62AQI
20th May 2025
62AQI
62AQI
21st May 2025
52AQI
52AQI
22nd May 2025
63AQI
63AQI
23rd May 2025
51AQI
51AQI
24th May 2025
80AQI
80AQI
25th May 2025
81AQI
81AQI
26th May 2025
77AQI
77AQI
27th May 2025
69AQI
69AQI
28th May 2025
67AQI
67AQI
29th May 2025
62AQI
62AQI
30th May 2025
71AQI
71AQI
31st May 2025
70AQI
70AQI
1st June 2025
61AQI
61AQI
2nd June 2025
54AQI
54AQI
3rd June 2025
58AQI
58AQI
4th June 2025
69AQI
69AQI
5th June 2025
56AQI
56AQI
6th June 2025
67AQI
67AQI
7th June 2025
69AQI
69AQI
8th June 2025
56AQI
56AQI
9th June 2025
61AQI
61AQI
10th June 2025
56AQI
56AQI
11th June 2025
53AQI
53AQI
12th June 2025
56AQI
56AQI
13th June 2025
45AQI
45AQI
14th June 2025
52AQI
52AQI
15th June 2025
46AQI
46AQI
16th June 2025
50AQI
50AQI
17th June 2025
56AQI
56AQI
18th June 2025
54AQI
54AQI
19th June 2025
54AQI
54AQI
20th June 2025
48AQI
48AQI
21st June 2025
55AQI
55AQI
22nd June 2025
60AQI
60AQI
23rd June 2025
52AQI
52AQI
24th June 2025
54AQI
54AQI
25th June 2025
55AQI
55AQI
26th June 2025
54AQI
54AQI
27th June 2025
56AQI
56AQI
28th June 2025
51AQI
51AQI
29th June 2025
52AQI
52AQI
30th June 2025
45AQI
45AQI
1st July 2025
47AQI
47AQI
2nd July 2025
50AQI
50AQI
3rd July 2025
53AQI
53AQI
4th July 2025
53AQI
53AQI
5th July 2025
53AQI
53AQI
6th July 2025
47AQI
47AQI
7th July 2025
42AQI
42AQI
8th July 2025
45AQI
45AQI
9th July 2025
44AQI
44AQI
10th July 2025
51AQI
51AQI
11th July 2025
45AQI
45AQI
12th July 2025
47AQI
47AQI
13th July 2025
52AQI
52AQI
14th July 2025
57AQI
57AQI
15th July 2025
62AQI
62AQI
16th July 2025
61AQI
61AQI
17th July 2025
60AQI
60AQI
18th July 2025
57AQI
57AQI
19th July 2025
45AQI
45AQI
20th July 2025
44AQI
44AQI
21st July 2025
40AQI
40AQI
22nd July 2025
41AQI
41AQI
23rd July 2025
40AQI
40AQI
24th July 2025
41AQI
41AQI
25th July 2025
40AQI
40AQI
26th July 2025
38AQI
38AQI
27th July 2025
41AQI
41AQI
28th July 2025
39AQI
39AQI
29th July 2025
38AQI
38AQI
30th July 2025
38AQI
38AQI
31st July 2025
44AQI
44AQI
1st August 2025
53AQI
53AQI
2nd August 2025
59AQI
59AQI
3rd August 2025
58AQI
58AQI
4th August 2025
58AQI
58AQI
5th August 2025
53AQI
53AQI
6th August 2025
50AQI
50AQI
110AQI
96AQI
81AQI
81AQI
70AQI
55AQI
47AQI
55AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202576AQI
11
20
18
10
1
27
3
28
2
31
5
25
21
10
1
5
28
155
35
Highest AQI recorded in
January110AQI
Lowest AQI recorded in
July47AQI
202466AQI
15
1
1
1
1
5
7
1
29
11
20
3
28
13
16
12
17
2
6
23
1
10
21
51
168
25
Highest AQI recorded in
December107AQI
Lowest AQI recorded in
May48AQI
202393AQI
1
2
21
10
22
12
Highest AQI recorded in
November101AQI
Lowest AQI recorded in
December92AQI
202264AQI
4
5
1
1
6
12
3
7
21
3
4
21
4
8
22
1
20
9
1
9
14
2
6
20
2
1
1
65
127
15
1
Highest AQI recorded in
January74AQI
Lowest AQI recorded in
June50AQI
202171AQI
5
13
2
13
11
21
10
18
13
7
22
1
12
9
2
1
19
9
10
18
2
72
99
43
4
Highest AQI recorded in
December114AQI
Lowest AQI recorded in
July42AQI
202069AQI
6
7
16
5
4
13
1
18
12
13
17
16
13
6
23
1
3
28
5
18
7
8
17
6
71
155
31
6
Highest AQI recorded in
December119AQI
Lowest AQI recorded in
August47AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
93AQILeast Polluted Year Recorded
2022(Avg.)
64AQIChengdong Station's annual 2025 AQI (76) shows an average percentage change of 6.9% (worsened AQI) compared to previous years: 2020 (69), 2021 (71), 2022 (64), 2023 (93), 2024 (66).
