Chengnan Primary School, Linhai, 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 Primary School, Linhai, Zhejiang, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
12th Aug 2024
75AQILowest AQI recorded on
6th Aug 2021
20AQISame Day Analysis (5th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 56 of Moderate air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Chengnan Primary School, Linhai, Zhejiang, China
AQI
Day
Night
.
5 AM5th Aug 2025
6 PM
4 AM6th Aug 2025
Day time
Avg. Highest Time
7AM5th Aug
57AQI
Avg. Lowest Time
6PM5th Aug
42AQI
Night time
Avg. Highest Time
2AM6th Aug
55AQI
Avg. Lowest Time
10PM5th Aug
49AQI
In the last 24 hours,
Chengnan Primary School's AQI reached its highest point of 57 at 7 AM during the Day, while the lowest point, 42, was recorded at 6 PM during the Day between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Chengnan Primary School, Linhai, Zhejiang, China
JulAug
07th - 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 - 05th05th - 06th06th
Day
Night
7th Jul 2025505 AMAQI
7th Jul 2025506 AMAQI
7th Jul 2025507 AMAQI
7th Jul 2025318 AMAQI
7th Jul 2025269 AMAQI
7th Jul 20252610 AMAQI
7th Jul 20252911 AMAQI
7th Jul 20253012 PMAQI
7th Jul 2025351 PMAQI
7th Jul 2025362 PMAQI
7th Jul 2025353 PMAQI
7th Jul 2025304 PMAQI
7th Jul 2025305 PMAQI
7th Jul 2025286 PMAQI
7th Jul 2025347 PMAQI
7th Jul 2025428 PMAQI
7th Jul 2025469 PMAQI
7th Jul 20254810 PMAQI
7th Jul 20254611 PMAQI
8th Jul 20254812 AMAQI
8th Jul 2025511 AMAQI
8th Jul 2025522 AMAQI
8th Jul 2025493 AMAQI
8th Jul 2025464 AMAQI
26°C23/32°C
8th Jul 2025455 AMAQI
8th Jul 2025466 AMAQI
8th Jul 2025467 AMAQI
8th Jul 2025398 AMAQI
8th Jul 2025369 AMAQI
8th Jul 20253010 AMAQI
8th Jul 20253611 AMAQI
8th Jul 20253912 PMAQI
8th Jul 2025401 PMAQI
8th Jul 2025382 PMAQI
8th Jul 2025373 PMAQI
8th Jul 2025374 PMAQI
8th Jul 2025395 PMAQI
8th Jul 2025446 PMAQI
8th Jul 2025527 PMAQI
8th Jul 2025498 PMAQI
8th Jul 2025459 PMAQI
8th Jul 20254310 PMAQI
8th Jul 20254211 PMAQI
9th Jul 20254412 AMAQI
9th Jul 2025491 AMAQI
9th Jul 2025502 AMAQI
9th Jul 2025503 AMAQI
9th Jul 2025514 AMAQI
25°C24/27°C
9th Jul 2025515 AMAQI
9th Jul 2025516 AMAQI
9th Jul 2025507 AMAQI
9th Jul 2025388 AMAQI
9th Jul 2025379 AMAQI
9th Jul 20253710 AMAQI
9th Jul 20253811 AMAQI
9th Jul 20254212 PMAQI
9th Jul 2025421 PMAQI
9th Jul 2025402 PMAQI
9th Jul 2025363 PMAQI
9th Jul 2025384 PMAQI
9th Jul 2025385 PMAQI
9th Jul 2025376 PMAQI
9th Jul 2025437 PMAQI
9th Jul 2025468 PMAQI
9th Jul 2025469 PMAQI
9th Jul 20254610 PMAQI
9th Jul 20254211 PMAQI
10th Jul 20254212 AMAQI
10th Jul 2025491 AMAQI
10th Jul 2025522 AMAQI
10th Jul 2025523 AMAQI
10th Jul 2025504 AMAQI
26°C23/31°C
10th Jul 2025505 AMAQI
10th Jul 2025516 AMAQI
10th Jul 2025517 AMAQI
10th Jul 2025448 AMAQI
10th Jul 2025429 AMAQI
10th Jul 20254410 AMAQI
10th Jul 20254911 AMAQI
10th Jul 20255812 PMAQI
10th Jul 2025641 PMAQI
10th Jul 2025622 PMAQI
10th Jul 2025583 PMAQI
10th Jul 2025544 PMAQI
10th Jul 2025565 PMAQI
10th Jul 2025556 PMAQI
10th Jul 2025577 PMAQI
10th Jul 2025548 PMAQI
10th Jul 2025549 PMAQI
10th Jul 20255410 PMAQI
10th Jul 20255111 PMAQI
11th Jul 20254812 AMAQI
11th Jul 2025511 AMAQI
11th Jul 2025522 AMAQI
11th Jul 2025523 AMAQI
11th Jul 2025544 AMAQI
26°C23/30°C
11th Jul 2025545 AMAQI
11th Jul 2025546 AMAQI
11th Jul 2025547 AMAQI
11th Jul 2025408 AMAQI
11th Jul 2025429 AMAQI
11th Jul 20253610 AMAQI
11th Jul 20253711 AMAQI
11th Jul 20254312 PMAQI
11th Jul 2025431 PMAQI
11th Jul 2025422 PMAQI
11th Jul 2025423 PMAQI
11th Jul 2025384 PMAQI
11th Jul 2025405 PMAQI
11th Jul 2025416 PMAQI
11th Jul 2025417 PMAQI
11th Jul 2025478 PMAQI
11th Jul 2025469 PMAQI
11th Jul 20254710 PMAQI
11th Jul 20254711 PMAQI
12th Jul 20254912 AMAQI
12th Jul 2025521 AMAQI
12th Jul 2025532 AMAQI
12th Jul 2025523 AMAQI
12th Jul 2025504 AMAQI
26°C23/29°C
12th Jul 2025525 AMAQI
12th Jul 2025506 AMAQI
12th Jul 2025507 AMAQI
12th Jul 2025448 AMAQI
12th Jul 2025419 AMAQI
12th Jul 20253910 AMAQI
12th Jul 20254111 AMAQI
12th Jul 20255012 PMAQI
12th Jul 2025461 PMAQI
12th Jul 2025392 PMAQI
12th Jul 2025393 PMAQI
12th Jul 2025394 PMAQI
12th Jul 2025425 PMAQI
12th Jul 2025426 PMAQI
12th Jul 2025477 PMAQI
12th Jul 2025518 PMAQI
12th Jul 2025509 PMAQI
12th Jul 20254810 PMAQI
12th Jul 20254911 PMAQI
13th Jul 20255012 AMAQI
13th Jul 2025521 AMAQI
13th Jul 2025522 AMAQI
13th Jul 2025523 AMAQI
13th Jul 2025514 AMAQI
26°C23/29°C
13th Jul 2025525 AMAQI
13th Jul 2025516 AMAQI
13th Jul 2025517 AMAQI
13th Jul 2025498 AMAQI
13th Jul 2025449 AMAQI
13th Jul 20254810 AMAQI
13th Jul 20255211 AMAQI
13th Jul 20255112 PMAQI
13th Jul 2025521 PMAQI
13th Jul 2025522 PMAQI
13th Jul 2025543 PMAQI
13th Jul 2025544 PMAQI
13th Jul 2025535 PMAQI
13th Jul 2025546 PMAQI
13th Jul 2025537 PMAQI
13th Jul 2025548 PMAQI
13th Jul 2025549 PMAQI
13th Jul 20255410 PMAQI
13th Jul 20255411 PMAQI
14th Jul 20255412 AMAQI
14th Jul 2025521 AMAQI
14th Jul 2025522 AMAQI
14th Jul 2025523 AMAQI
14th Jul 2025514 AMAQI
26°C22/31°C
14th Jul 2025525 AMAQI
14th Jul 2025526 AMAQI
14th Jul 2025527 AMAQI
14th Jul 2025628 AMAQI
14th Jul 2025629 AMAQI
14th Jul 20256310 AMAQI
14th Jul 20256711 AMAQI
14th Jul 20256512 PMAQI
14th Jul 2025661 PMAQI
14th Jul 2025662 PMAQI
14th Jul 2025673 PMAQI
14th Jul 2025664 PMAQI
14th Jul 2025665 PMAQI
14th Jul 2025656 PMAQI
14th Jul 2025647 PMAQI
14th Jul 2025608 PMAQI
14th Jul 2025599 PMAQI
14th Jul 20255810 PMAQI
14th Jul 20255611 PMAQI
15th Jul 20255512 AMAQI
15th Jul 2025531 AMAQI
15th Jul 2025532 AMAQI
15th Jul 2025543 AMAQI
15th Jul 2025564 AMAQI
26°C21/33°C
15th Jul 2025565 AMAQI
15th Jul 2025566 AMAQI
15th Jul 2025567 AMAQI
15th Jul 2025658 AMAQI
15th Jul 2025699 AMAQI
15th Jul 20256510 AMAQI
15th Jul 20256611 AMAQI
15th Jul 20256212 PMAQI
15th Jul 2025701 PMAQI
15th Jul 2025682 PMAQI
15th Jul 2025643 PMAQI
15th Jul 2025664 PMAQI
15th Jul 2025705 PMAQI
15th Jul 2025676 PMAQI
15th Jul 2025677 PMAQI
15th Jul 2025608 PMAQI
15th Jul 2025619 PMAQI
15th Jul 20256210 PMAQI
15th Jul 20256011 PMAQI
16th Jul 20255812 AMAQI
16th Jul 2025551 AMAQI
16th Jul 2025552 AMAQI
16th Jul 2025563 AMAQI
16th Jul 2025574 AMAQI
27°C21/34°C
16th Jul 2025585 AMAQI
16th Jul 2025586 AMAQI
16th Jul 2025587 AMAQI
16th Jul 2025608 AMAQI
16th Jul 2025599 AMAQI
16th Jul 20256010 AMAQI
16th Jul 20255811 AMAQI
16th Jul 20256212 PMAQI
16th Jul 2025651 PMAQI
16th Jul 2025652 PMAQI
16th Jul 2025653 PMAQI
16th Jul 2025644 PMAQI
16th Jul 2025685 PMAQI
16th Jul 2025656 PMAQI
16th Jul 2025667 PMAQI
16th Jul 2025628 PMAQI
16th Jul 2025619 PMAQI
16th Jul 20255810 PMAQI
16th Jul 20256011 PMAQI
17th Jul 20255812 AMAQI
17th Jul 2025571 AMAQI
17th Jul 2025582 AMAQI
17th Jul 2025583 AMAQI
17th Jul 2025594 AMAQI
28°C23/37°C
17th Jul 2025595 AMAQI
17th Jul 2025596 AMAQI
17th Jul 2025597 AMAQI
17th Jul 2025608 AMAQI
17th Jul 2025589 AMAQI
17th Jul 20256110 AMAQI
17th Jul 20256411 AMAQI
17th Jul 20256412 PMAQI
17th Jul 2025661 PMAQI
17th Jul 2025672 PMAQI
17th Jul 2025673 PMAQI
17th Jul 2025654 PMAQI
17th Jul 2025685 PMAQI
17th Jul 2025676 PMAQI
17th Jul 2025667 PMAQI
17th Jul 2025608 PMAQI
17th Jul 2025609 PMAQI
17th Jul 20256010 PMAQI
17th Jul 20256011 PMAQI
18th Jul 20255912 AMAQI
18th Jul 2025591 AMAQI
18th Jul 2025582 AMAQI
18th Jul 2025593 AMAQI
18th Jul 2025594 AMAQI
28°C24/32°C
18th Jul 2025605 AMAQI
18th Jul 2025606 AMAQI
18th Jul 2025607 AMAQI
18th Jul 2025568 AMAQI
18th Jul 2025569 AMAQI
18th Jul 20255610 AMAQI
18th Jul 20255811 AMAQI
18th Jul 20255712 PMAQI
18th Jul 2025581 PMAQI
18th Jul 2025572 PMAQI
18th Jul 2025563 PMAQI
18th Jul 2025564 PMAQI
18th Jul 2025535 PMAQI
18th Jul 2025506 PMAQI
18th Jul 2025497 PMAQI
18th Jul 2025538 PMAQI
18th Jul 2025539 PMAQI
18th Jul 20255210 PMAQI
18th Jul 20255211 PMAQI
19th Jul 20255312 AMAQI
19th Jul 2025581 AMAQI
19th Jul 2025592 AMAQI
19th Jul 2025593 AMAQI
19th Jul 2025594 AMAQI
27°C24/33°C
19th Jul 2025585 AMAQI
19th Jul 2025596 AMAQI
19th Jul 2025587 AMAQI
19th Jul 2025318 AMAQI
19th Jul 2025279 AMAQI
19th Jul 20253310 AMAQI
19th Jul 20253511 AMAQI
19th Jul 20253412 PMAQI
19th Jul 2025371 PMAQI
19th Jul 2025342 PMAQI
19th Jul 2025333 PMAQI
19th Jul 2025304 PMAQI
19th Jul 2025305 PMAQI
19th Jul 2025326 PMAQI
19th Jul 2025437 PMAQI
19th Jul 2025528 PMAQI
19th Jul 2025539 PMAQI
19th Jul 20255210 PMAQI
19th Jul 20255311 PMAQI
20th Jul 20255412 AMAQI
20th Jul 2025581 AMAQI
20th Jul 2025582 AMAQI
20th Jul 2025563 AMAQI
20th Jul 2025564 AMAQI
26°C23/30°C
20th Jul 2025555 AMAQI
20th Jul 2025556 AMAQI
20th Jul 2025557 AMAQI
20th Jul 2025458 AMAQI
20th Jul 2025289 AMAQI
20th Jul 20252510 AMAQI
20th Jul 20252411 AMAQI
20th Jul 20253212 PMAQI
20th Jul 2025341 PMAQI
20th Jul 2025332 PMAQI
20th Jul 2025323 PMAQI
20th Jul 2025334 PMAQI
20th Jul 2025335 PMAQI
20th Jul 2025326 PMAQI
20th Jul 2025407 PMAQI
20th Jul 2025508 PMAQI
20th Jul 2025509 PMAQI
20th Jul 20255210 PMAQI
20th Jul 20255111 PMAQI
21st Jul 20255312 AMAQI
21st Jul 2025561 AMAQI
21st Jul 2025552 AMAQI
21st Jul 2025543 AMAQI
21st Jul 2025534 AMAQI
27°C24/30°C
21st Jul 2025545 AMAQI
21st Jul 2025546 AMAQI
21st Jul 2025547 AMAQI
21st Jul 2025328 AMAQI
21st Jul 2025259 AMAQI
21st Jul 20252210 AMAQI
21st Jul 20252711 AMAQI
21st Jul 20252912 PMAQI
21st Jul 2025261 PMAQI
21st Jul 2025242 PMAQI
21st Jul 2025273 PMAQI
21st Jul 2025244 PMAQI
21st Jul 2025265 PMAQI
21st Jul 2025246 PMAQI
21st Jul 2025357 PMAQI
21st Jul 2025468 PMAQI
21st Jul 2025489 PMAQI
21st Jul 20254810 PMAQI
21st Jul 20254811 PMAQI
22nd Jul 20254812 AMAQI
22nd Jul 2025541 AMAQI
22nd Jul 2025542 AMAQI
22nd Jul 2025533 AMAQI
22nd Jul 2025524 AMAQI
26°C24/29°C
22nd Jul 2025525 AMAQI
22nd Jul 2025526 AMAQI
22nd Jul 2025527 AMAQI
22nd Jul 2025308 AMAQI
22nd Jul 2025279 AMAQI
22nd Jul 20252410 AMAQI
22nd Jul 20252511 AMAQI
22nd Jul 20252512 PMAQI
22nd Jul 2025291 PMAQI
22nd Jul 2025282 PMAQI
22nd Jul 2025303 PMAQI
22nd Jul 2025324 PMAQI
22nd Jul 2025325 PMAQI
22nd Jul 2025346 PMAQI
22nd Jul 2025427 PMAQI
22nd Jul 2025488 PMAQI
22nd Jul 2025469 PMAQI
22nd Jul 20254410 PMAQI
22nd Jul 20254411 PMAQI
23rd Jul 20254512 AMAQI
23rd Jul 2025511 AMAQI
23rd Jul 2025522 AMAQI
23rd Jul 2025503 AMAQI
23rd Jul 2025504 AMAQI
26°C23/30°C
23rd Jul 2025505 AMAQI
23rd Jul 2025496 AMAQI
23rd Jul 2025497 AMAQI
23rd Jul 2025328 AMAQI
23rd Jul 2025299 AMAQI
23rd Jul 20252910 AMAQI
23rd Jul 20252711 AMAQI
23rd Jul 20253012 PMAQI
23rd Jul 2025331 PMAQI
23rd Jul 2025322 PMAQI
23rd Jul 2025303 PMAQI
23rd Jul 2025354 PMAQI
23rd Jul 2025335 PMAQI
23rd Jul 2025336 PMAQI
23rd Jul 2025407 PMAQI
23rd Jul 2025428 PMAQI
23rd Jul 2025449 PMAQI
23rd Jul 20254110 PMAQI
23rd Jul 20253911 PMAQI
24th Jul 20254212 AMAQI
24th Jul 2025421 AMAQI
24th Jul 2025492 AMAQI
24th Jul 2025493 AMAQI
24th Jul 2025484 AMAQI
27°C23/32°C
24th Jul 2025485 AMAQI
24th Jul 2025486 AMAQI
24th Jul 2025487 AMAQI
24th Jul 2025388 AMAQI
24th Jul 2025349 AMAQI
24th Jul 20253210 AMAQI
24th Jul 20253211 AMAQI
24th Jul 20253512 PMAQI
24th Jul 2025351 PMAQI
24th Jul 2025322 PMAQI
24th Jul 2025323 PMAQI
24th Jul 2025344 PMAQI
24th Jul 2025385 PMAQI
24th Jul 2025356 PMAQI
24th Jul 2025407 PMAQI
24th Jul 2025448 PMAQI
24th Jul 2025499 PMAQI
24th Jul 20254810 PMAQI
24th Jul 20254811 PMAQI
25th Jul 20254612 AMAQI
25th Jul 2025461 AMAQI
25th Jul 2025472 AMAQI
25th Jul 2025463 AMAQI
25th Jul 2025464 AMAQI
27°C24/29°C
25th Jul 2025465 AMAQI
25th Jul 2025456 AMAQI
25th Jul 2025457 AMAQI
25th Jul 2025368 AMAQI
25th Jul 2025399 AMAQI
25th Jul 20254210 AMAQI
25th Jul 20254611 AMAQI
25th Jul 20254312 PMAQI
25th Jul 2025421 PMAQI
25th Jul 2025392 PMAQI
25th Jul 2025373 PMAQI
25th Jul 2025344 PMAQI
25th Jul 2025345 PMAQI
25th Jul 2025346 PMAQI
25th Jul 2025367 PMAQI
25th Jul 2025368 PMAQI
25th Jul 2025379 PMAQI
25th Jul 20253610 PMAQI
25th Jul 20253511 PMAQI
26th Jul 20253812 AMAQI
26th Jul 2025461 AMAQI
26th Jul 2025472 AMAQI
26th Jul 2025473 AMAQI
26th Jul 2025484 AMAQI
26°C24/27°C
26th Jul 2025475 AMAQI
26th Jul 2025486 AMAQI
26th Jul 2025487 AMAQI
26th Jul 2025328 AMAQI
26th Jul 2025299 AMAQI
26th Jul 20252610 AMAQI
26th Jul 20253011 AMAQI
26th Jul 20253212 PMAQI
26th Jul 2025301 PMAQI
26th Jul 2025332 PMAQI
26th Jul 2025293 PMAQI
26th Jul 2025314 PMAQI
26th Jul 2025305 PMAQI
26th Jul 2025336 PMAQI
26th Jul 2025397 PMAQI
26th Jul 2025418 PMAQI
26th Jul 2025429 PMAQI
26th Jul 20254010 PMAQI
26th Jul 20254211 PMAQI
27th Jul 20254012 AMAQI
27th Jul 2025421 AMAQI
27th Jul 2025462 AMAQI
27th Jul 2025453 AMAQI
27th Jul 2025444 AMAQI
27°C25/30°C
27th Jul 2025455 AMAQI
27th Jul 2025446 AMAQI
27th Jul 2025467 AMAQI
27th Jul 2025408 AMAQI
27th Jul 2025389 AMAQI
27th Jul 20254010 AMAQI
27th Jul 20253811 AMAQI
27th Jul 20253812 PMAQI
27th Jul 2025361 PMAQI
27th Jul 2025392 PMAQI
27th Jul 2025353 PMAQI
27th Jul 2025374 PMAQI
27th Jul 2025375 PMAQI
27th Jul 2025406 PMAQI
27th Jul 2025447 PMAQI
27th Jul 2025448 PMAQI
27th Jul 2025419 PMAQI
27th Jul 20254010 PMAQI
27th Jul 20254011 PMAQI
28th Jul 20253812 AMAQI
28th Jul 2025441 AMAQI
28th Jul 2025462 AMAQI
28th Jul 2025463 AMAQI
28th Jul 2025424 AMAQI
27°C24/30°C
28th Jul 2025425 AMAQI
28th Jul 2025426 AMAQI
28th Jul 2025427 AMAQI
28th Jul 2025348 AMAQI
28th Jul 2025329 AMAQI
28th Jul 20253210 AMAQI
28th Jul 20253211 AMAQI
28th Jul 20253212 PMAQI
28th Jul 2025301 PMAQI
28th Jul 2025302 PMAQI
28th Jul 2025283 PMAQI
28th Jul 2025304 PMAQI
28th Jul 2025345 PMAQI
28th Jul 2025376 PMAQI
28th Jul 2025407 PMAQI
28th Jul 2025398 PMAQI
28th Jul 2025409 PMAQI
28th Jul 20254010 PMAQI
28th Jul 20254211 PMAQI
29th Jul 20254212 AMAQI
29th Jul 2025421 AMAQI
29th Jul 2025442 AMAQI
29th Jul 2025423 AMAQI
29th Jul 2025404 AMAQI
26°C24/29°C
29th Jul 2025415 AMAQI
29th Jul 2025406 AMAQI
29th Jul 2025387 AMAQI
29th Jul 2025368 AMAQI
29th Jul 2025389 AMAQI
29th Jul 20253710 AMAQI
29th Jul 20253911 AMAQI
29th Jul 20253612 PMAQI
29th Jul 2025391 PMAQI
29th Jul 2025402 PMAQI
29th Jul 2025383 PMAQI
29th Jul 2025364 PMAQI
29th Jul 2025385 PMAQI
29th Jul 2025306 PMAQI
29th Jul 2025327 PMAQI
29th Jul 2025388 PMAQI
29th Jul 2025419 PMAQI
29th Jul 20254010 PMAQI
29th Jul 20254011 PMAQI
30th Jul 20253812 AMAQI
30th Jul 2025411 AMAQI
30th Jul 2025442 AMAQI
30th Jul 2025443 AMAQI
30th Jul 2025434 AMAQI
25°C23/28°C
30th Jul 2025445 AMAQI
30th Jul 2025446 AMAQI
30th Jul 2025437 AMAQI
30th Jul 2025388 AMAQI
30th Jul 2025399 AMAQI
30th Jul 20253910 AMAQI
30th Jul 20254011 AMAQI
30th Jul 20253912 PMAQI
30th Jul 2025381 PMAQI
30th Jul 2025382 PMAQI
30th Jul 2025343 PMAQI
30th Jul 2025364 PMAQI
30th Jul 2025375 PMAQI
30th Jul 2025376 PMAQI
30th Jul 2025407 PMAQI
30th Jul 2025398 PMAQI
30th Jul 2025389 PMAQI
30th Jul 20253710 PMAQI
30th Jul 20253311 PMAQI
31st Jul 20253612 AMAQI
31st Jul 2025401 AMAQI
31st Jul 2025412 AMAQI
31st Jul 2025423 AMAQI
31st Jul 2025424 AMAQI
25°C23/26°C
31st Jul 2025425 AMAQI
31st Jul 2025426 AMAQI
31st Jul 2025427 AMAQI
31st Jul 2025428 AMAQI
31st Jul 2025429 AMAQI
31st Jul 20254110 AMAQI
31st Jul 20253411 AMAQI
31st Jul 20253812 PMAQI
31st Jul 2025441 PMAQI
31st Jul 2025462 PMAQI
31st Jul 2025523 PMAQI
31st Jul 2025484 PMAQI
31st Jul 2025475 PMAQI
31st Jul 2025546 PMAQI
31st Jul 2025547 PMAQI
31st Jul 2025538 PMAQI
31st Jul 2025529 PMAQI
31st Jul 20255310 PMAQI
31st Jul 20255311 PMAQI
1st Aug 20254612 AMAQI
1st Aug 2025401 AMAQI
1st Aug 2025422 AMAQI
1st Aug 2025443 AMAQI
1st Aug 2025434 AMAQI
27°C21/33°C
1st Aug 2025445 AMAQI
1st Aug 2025446 AMAQI
1st Aug 2025487 AMAQI
1st Aug 2025528 AMAQI
1st Aug 2025579 AMAQI
1st Aug 20255710 AMAQI
1st Aug 20255511 AMAQI
1st Aug 20255812 PMAQI
1st Aug 2025561 PMAQI
1st Aug 2025542 PMAQI
1st Aug 2025573 PMAQI
1st Aug 2025584 PMAQI
1st Aug 2025585 PMAQI
1st Aug 2025556 PMAQI
1st Aug 2025577 PMAQI
1st Aug 2025588 PMAQI
1st Aug 2025599 PMAQI
1st Aug 20255710 PMAQI
1st Aug 20256011 PMAQI
2nd Aug 20255312 AMAQI
2nd Aug 2025491 AMAQI
2nd Aug 2025472 AMAQI
2nd Aug 2025513 AMAQI
2nd Aug 2025524 AMAQI
27°C23/34°C
2nd Aug 2025525 AMAQI
2nd Aug 2025526 AMAQI
2nd Aug 2025517 AMAQI
2nd Aug 2025628 AMAQI
2nd Aug 2025669 AMAQI
2nd Aug 20256310 AMAQI
2nd Aug 20256211 AMAQI
2nd Aug 20256612 PMAQI
2nd Aug 2025661 PMAQI
2nd Aug 2025652 PMAQI
2nd Aug 2025653 PMAQI
2nd Aug 2025654 PMAQI
2nd Aug 2025635 PMAQI
2nd Aug 2025636 PMAQI
2nd Aug 2025587 PMAQI
2nd Aug 2025598 PMAQI
2nd Aug 2025599 PMAQI
2nd Aug 20255810 PMAQI
2nd Aug 20255911 PMAQI
3rd Aug 20255612 AMAQI
3rd Aug 2025531 AMAQI
3rd Aug 2025522 AMAQI
3rd Aug 2025543 AMAQI
3rd Aug 2025564 AMAQI
28°C24/35°C
3rd Aug 2025555 AMAQI
3rd Aug 2025566 AMAQI
3rd Aug 2025567 AMAQI
3rd Aug 2025658 AMAQI
3rd Aug 2025679 AMAQI
3rd Aug 20256610 AMAQI
3rd Aug 20257111 AMAQI
3rd Aug 20256212 PMAQI
3rd Aug 2025651 PMAQI
3rd Aug 2025622 PMAQI
3rd Aug 2025643 PMAQI
3rd Aug 2025614 PMAQI
3rd Aug 2025645 PMAQI
3rd Aug 2025626 PMAQI
3rd Aug 2025587 PMAQI
3rd Aug 2025568 PMAQI
3rd Aug 2025589 PMAQI
3rd Aug 20255910 PMAQI
3rd Aug 20255711 PMAQI
4th Aug 20255512 AMAQI
4th Aug 2025541 AMAQI
4th Aug 2025552 AMAQI
4th Aug 2025563 AMAQI
4th Aug 2025564 AMAQI
29°C24/35°C
4th Aug 2025575 AMAQI
4th Aug 2025576 AMAQI
4th Aug 2025567 AMAQI
4th Aug 2025608 AMAQI
4th Aug 2025689 AMAQI
4th Aug 20257610 AMAQI
4th Aug 20256811 AMAQI
4th Aug 20256412 PMAQI
4th Aug 2025701 PMAQI
4th Aug 2025612 PMAQI
4th Aug 2025683 PMAQI
4th Aug 2025594 PMAQI
4th Aug 2025555 PMAQI
4th Aug 2025556 PMAQI
4th Aug 2025567 PMAQI
4th Aug 2025528 PMAQI
4th Aug 2025529 PMAQI
4th Aug 20255410 PMAQI
4th Aug 20255411 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025561 AMAQI
5th Aug 2025552 AMAQI
5th Aug 2025563 AMAQI
5th Aug 2025574 AMAQI
28°C24/33°C
5th Aug 2025565 AMAQI
5th Aug 2025566 AMAQI
5th Aug 2025577 AMAQI
5th Aug 2025568 AMAQI
5th Aug 2025509 AMAQI
5th Aug 20255010 AMAQI
5th Aug 20254611 AMAQI
5th Aug 20255012 PMAQI
5th Aug 2025461 PMAQI
5th Aug 2025502 PMAQI
5th Aug 2025463 PMAQI
5th Aug 2025504 PMAQI
5th Aug 2025425 PMAQI
5th Aug 2025426 PMAQI
5th Aug 2025507 PMAQI
5th Aug 2025548 PMAQI
5th Aug 2025529 PMAQI
5th Aug 20254910 PMAQI
5th Aug 20255011 PMAQI
6th Aug 20255212 AMAQI
6th Aug 2025541 AMAQI
6th Aug 2025552 AMAQI
6th Aug 2025543 AMAQI
6th Aug 2025544 AMAQI
27°C23/33°C
6th Aug 2025545 AMAQI
5 AM6th Aug 2025546 AMAQI
6th Aug 2025547 AMAQI
6th Aug 2025408 AMAQI
11 AM
6 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 7 AM
51AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
8 AM - 6 PM
45AQI
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. 51), while the lowest AQI was between 8 AM to 6 PM (Avg. 45).
Night time
Avg. Highest Time
12 AM - 4 AM
50AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
12 AM - 11 PM
50AQI
10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 50), while the lowest AQI was between 12 AM to 11 PM (Avg. 50).
2025 Days Vs Air Quality
Chengnan Primary School, Linhai, Zhejiang, China
2025
15%
33
68%
147
17%
36
0.4%
1
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Good
33 DaysModerate
147 DaysPoor
36 DaysUnhealthy
1 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 15%
Health Risk Level:
Extreme
In 2025, 15% of 218 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 Primary School, Linhai, 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
106AQI
106AQI
2nd January 2025
99AQI
99AQI
3rd January 2025
106AQI
106AQI
4th January 2025
86AQI
86AQI
5th January 2025
122AQI
122AQI
6th January 2025
107AQI
107AQI
7th January 2025
141AQI
141AQI
8th January 2025
140AQI
140AQI
9th January 2025
93AQI
93AQI
10th January 2025
93AQI
93AQI
11th January 2025
104AQI
104AQI
12th January 2025
111AQI
111AQI
13th January 2025
134AQI
134AQI
14th January 2025
111AQI
111AQI
15th January 2025
92AQI
92AQI
16th January 2025
96AQI
96AQI
17th January 2025
111AQI
111AQI
18th January 2025
107AQI
107AQI
19th January 2025
112AQI
112AQI
20th January 2025
141AQI
141AQI
21st January 2025
152AQI
152AQI
22nd January 2025
112AQI
112AQI
23rd January 2025
101AQI
101AQI
24th January 2025
90AQI
90AQI
25th January 2025
83AQI
83AQI
26th January 2025
76AQI
76AQI
27th January 2025
67AQI
67AQI
28th January 2025
93AQI
93AQI
29th January 2025
120AQI
120AQI
30th January 2025
102AQI
102AQI
31st January 2025
104AQI
104AQI
1st February 2025
54AQI
54AQI
2nd February 2025
92AQI
92AQI
3rd February 2025
120AQI
120AQI
4th February 2025
102AQI
102AQI
5th February 2025
93AQI
93AQI
6th February 2025
103AQI
103AQI
7th February 2025
80AQI
80AQI
8th February 2025
67AQI
67AQI
9th February 2025
83AQI
83AQI
10th February 2025
84AQI
84AQI
11th February 2025
87AQI
87AQI
12th February 2025
115AQI
115AQI
13th February 2025
100AQI
100AQI
14th February 2025
75AQI
75AQI
15th February 2025
95AQI
95AQI
16th February 2025
93AQI
93AQI
17th February 2025
97AQI
97AQI
18th February 2025
73AQI
73AQI
19th February 2025
93AQI
93AQI
20th February 2025
73AQI
73AQI
21st February 2025
70AQI
70AQI
22nd February 2025
79AQI
79AQI
23rd February 2025
114AQI
114AQI
24th February 2025
131AQI
131AQI
25th February 2025
134AQI
134AQI
26th February 2025
147AQI
147AQI
27th February 2025
138AQI
138AQI
28th February 2025
102AQI
102AQI
1st March 2025
94AQI
94AQI
2nd March 2025
92AQI
92AQI
3rd March 2025
73AQI
73AQI
4th March 2025
56AQI
56AQI
5th March 2025
66AQI
66AQI
6th March 2025
64AQI
64AQI
7th March 2025
83AQI
83AQI
8th March 2025
103AQI
103AQI
9th March 2025
88AQI
88AQI
10th March 2025
74AQI
74AQI
11th March 2025
83AQI
83AQI
12th March 2025
73AQI
73AQI
13th March 2025
71AQI
71AQI
14th March 2025
68AQI
68AQI
15th March 2025
40AQI
40AQI
16th March 2025
86AQI
86AQI
17th March 2025
69AQI
69AQI
18th March 2025
85AQI
85AQI
19th March 2025
85AQI
85AQI
20th March 2025
91AQI
91AQI
21st March 2025
79AQI
79AQI
22nd March 2025
85AQI
85AQI
23rd March 2025
83AQI
83AQI
24th March 2025
93AQI
93AQI
25th March 2025
112AQI
112AQI
26th March 2025
102AQI
102AQI
27th March 2025
102AQI
102AQI
28th March 2025
84AQI
84AQI
29th March 2025
86AQI
86AQI
30th March 2025
75AQI
75AQI
31st March 2025
66AQI
66AQI
1st April 2025
73AQI
73AQI
2nd April 2025
78AQI
78AQI
3rd April 2025
95AQI
95AQI
4th April 2025
72AQI
72AQI
5th April 2025
84AQI
84AQI
6th April 2025
83AQI
83AQI
7th April 2025
84AQI
84AQI
8th April 2025
84AQI
84AQI
9th April 2025
81AQI
81AQI
10th April 2025
74AQI
74AQI
11th April 2025
80AQI
80AQI
12th April 2025
120AQI
120AQI
13th April 2025
92AQI
92AQI
14th April 2025
103AQI
103AQI
15th April 2025
75AQI
75AQI
16th April 2025
83AQI
83AQI
17th April 2025
87AQI
87AQI
18th April 2025
85AQI
85AQI
19th April 2025
72AQI
72AQI
20th April 2025
104AQI
104AQI
21st April 2025
72AQI
72AQI
22nd April 2025
76AQI
76AQI
23rd April 2025
53AQI
53AQI
24th April 2025
74AQI
74AQI
25th April 2025
66AQI
66AQI
26th April 2025
56AQI
56AQI
27th April 2025
64AQI
64AQI
28th April 2025
75AQI
75AQI
29th April 2025
65AQI
65AQI
30th April 2025
66AQI
66AQI
1st May 2025
73AQI
73AQI
2nd May 2025
70AQI
70AQI
3rd May 2025
78AQI
78AQI
4th May 2025
56AQI
56AQI
5th May 2025
61AQI
61AQI
6th May 2025
81AQI
81AQI
7th May 2025
81AQI
81AQI
8th May 2025
66AQI
66AQI
9th May 2025
59AQI
59AQI
10th May 2025
62AQI
62AQI
11th May 2025
64AQI
64AQI
12th May 2025
73AQI
73AQI
13th May 2025
72AQI
72AQI
14th May 2025
65AQI
65AQI
15th May 2025
67AQI
67AQI
16th May 2025
65AQI
65AQI
17th May 2025
71AQI
71AQI
18th May 2025
77AQI
77AQI
19th May 2025
63AQI
63AQI
20th May 2025
64AQI
64AQI
21st May 2025
51AQI
51AQI
22nd May 2025
63AQI
63AQI
23rd May 2025
46AQI
46AQI
24th May 2025
74AQI
74AQI
25th May 2025
79AQI
79AQI
26th May 2025
67AQI
67AQI
27th May 2025
68AQI
68AQI
28th May 2025
61AQI
61AQI
29th May 2025
60AQI
60AQI
30th May 2025
71AQI
71AQI
31st May 2025
73AQI
73AQI
1st June 2025
62AQI
62AQI
2nd June 2025
55AQI
55AQI
3rd June 2025
59AQI
59AQI
4th June 2025
69AQI
69AQI
5th June 2025
57AQI
57AQI
6th June 2025
64AQI
64AQI
7th June 2025
68AQI
68AQI
8th June 2025
60AQI
60AQI
9th June 2025
61AQI
61AQI
10th June 2025
59AQI
59AQI
11th June 2025
48AQI
48AQI
12th June 2025
50AQI
50AQI
13th June 2025
39AQI
39AQI
14th June 2025
48AQI
48AQI
15th June 2025
42AQI
42AQI
16th June 2025
47AQI
47AQI
17th June 2025
57AQI
57AQI
18th June 2025
56AQI
56AQI
19th June 2025
55AQI
55AQI
20th June 2025
50AQI
50AQI
21st June 2025
57AQI
57AQI
22nd June 2025
61AQI
61AQI
23rd June 2025
54AQI
54AQI
24th June 2025
54AQI
54AQI
25th June 2025
56AQI
56AQI
26th June 2025
55AQI
55AQI
27th June 2025
56AQI
56AQI
28th June 2025
51AQI
51AQI
29th June 2025
49AQI
49AQI
30th June 2025
45AQI
45AQI
1st July 2025
46AQI
46AQI
2nd July 2025
52AQI
52AQI
3rd July 2025
53AQI
53AQI
4th July 2025
52AQI
52AQI
5th July 2025
49AQI
49AQI
6th July 2025
44AQI
44AQI
7th July 2025
40AQI
40AQI
8th July 2025
44AQI
44AQI
9th July 2025
44AQI
44AQI
10th July 2025
50AQI
50AQI
11th July 2025
47AQI
47AQI
12th July 2025
47AQI
47AQI
13th July 2025
52AQI
52AQI
14th July 2025
58AQI
58AQI
15th July 2025
60AQI
60AQI
16th July 2025
60AQI
60AQI
17th July 2025
61AQI
61AQI
18th July 2025
56AQI
56AQI
19th July 2025
46AQI
46AQI
20th July 2025
45AQI
45AQI
21st July 2025
41AQI
41AQI
22nd July 2025
41AQI
41AQI
23rd July 2025
40AQI
40AQI
24th July 2025
42AQI
42AQI
25th July 2025
41AQI
41AQI
26th July 2025
39AQI
39AQI
27th July 2025
41AQI
41AQI
28th July 2025
38AQI
38AQI
29th July 2025
39AQI
39AQI
30th July 2025
39AQI
39AQI
31st July 2025
45AQI
45AQI
1st August 2025
52AQI
52AQI
2nd August 2025
58AQI
58AQI
3rd August 2025
59AQI
59AQI
4th August 2025
59AQI
59AQI
5th August 2025
56AQI
56AQI
107AQI
96AQI
81AQI
79AQI
67AQI
55AQI
47AQI
57AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202575AQI
11
19
1
18
10
1
26
4
27
3
1
30
9
21
22
9
5
33
147
36
1
Highest AQI recorded in
January107AQI
Lowest AQI recorded in
July47AQI
202470AQI
6
8
6
7
8
4
1
1
1
24
6
6
16
2
5
7
1
29
10
21
5
26
12
17
14
16
1
7
20
3
14
16
1
68
204
40
8
1
Highest AQI recorded in
January126AQI
Lowest AQI recorded in
May47AQI
202370AQI
3
10
13
1
8
17
3
3
23
1
10
4
2
15
1
5
17
1
16
13
1
9
7
3
27
5
15
3
1
12
2
21
5
1
58
187
31
2
Highest AQI recorded in
January94AQI
Lowest AQI recorded in
August49AQI
202275AQI
5
11
7
8
2
14
4
1
8
21
2
3
22
4
6
23
2
16
14
8
13
1
7
19
2
4
26
1
2
16
12
4
21
6
66
200
40
9
Highest AQI recorded in
January106AQI
Lowest AQI recorded in
August48AQI
202171AQI
6
11
3
2
8
1
1
24
6
1
23
5
1
6
24
1
13
17
19
12
20
11
9
20
1
14
15
2
3
21
6
1
10
19
1
89
191
52
5
Highest AQI recorded in
January112AQI
Lowest AQI recorded in
July43AQI
202070AQI
5
8
15
6
3
15
9
21
7
23
16
13
7
22
1
3
26
2
3
22
5
1
14
12
4
54
179
26
4
Highest AQI recorded in
December102AQI
Lowest AQI recorded in
August50AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
75AQILeast Polluted Year Recorded
2023(Avg.)
70AQIChengnan Primary School's annual 2025 AQI (75) shows an average percentage change of 6.1% (worsened AQI) compared to previous years: 2020 (70), 2021 (71), 2022 (75), 2023 (70), 2024 (70).
