Ouhai, Wenzhou, 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
Ouhai, Wenzhou, Zhejiang, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
11th Aug 2024
108AQILowest AQI recorded on
4th Aug 2021
30AQISame Day Analysis (21st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 51 of Moderate air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 21st Aug - 22nd Aug 2025
Ouhai, Wenzhou, Zhejiang, China
AQI
Day
Night
.
5 AM21st Aug 2025
6 PM
4 AM22nd Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
2PM21st Aug
68AQI
Avg. Lowest Time
1AM22nd Aug
51AQI
In the last 24 hours,
Ouhai's AQI reached its highest point of 68 at 2 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 21st Aug and 22nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Ouhai, Wenzhou, Zhejiang, China
JulAug
23rd - 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 - 22nd22nd
Day
Night
23rd Jul 2025435 AMAQI
23rd Jul 2025446 AMAQI
23rd Jul 2025437 AMAQI
23rd Jul 2025478 AMAQI
23rd Jul 2025529 AMAQI
23rd Jul 20254810 AMAQI
23rd Jul 20253411 AMAQI
23rd Jul 20253412 PMAQI
23rd Jul 2025321 PMAQI
23rd Jul 2025322 PMAQI
23rd Jul 2025333 PMAQI
23rd Jul 2025334 PMAQI
23rd Jul 2025345 PMAQI
23rd Jul 2025346 PMAQI
23rd Jul 2025427 PMAQI
23rd Jul 2025468 PMAQI
23rd Jul 2025449 PMAQI
23rd Jul 20254210 PMAQI
23rd Jul 20254011 PMAQI
24th Jul 20253812 AMAQI
24th Jul 2025381 AMAQI
24th Jul 2025422 AMAQI
24th Jul 2025443 AMAQI
24th Jul 2025444 AMAQI
27°C23/31°C
24th Jul 2025445 AMAQI
24th Jul 2025436 AMAQI
24th Jul 2025447 AMAQI
24th Jul 2025488 AMAQI
24th Jul 2025539 AMAQI
24th Jul 20254210 AMAQI
24th Jul 20253911 AMAQI
24th Jul 20253112 PMAQI
24th Jul 2025341 PMAQI
24th Jul 2025342 PMAQI
24th Jul 2025303 PMAQI
24th Jul 2025364 PMAQI
24th Jul 2025325 PMAQI
24th Jul 2025376 PMAQI
24th Jul 2025417 PMAQI
24th Jul 2025498 PMAQI
24th Jul 2025479 PMAQI
24th Jul 20254310 PMAQI
24th Jul 20254211 PMAQI
25th Jul 20254912 AMAQI
25th Jul 2025451 AMAQI
25th Jul 2025432 AMAQI
25th Jul 2025413 AMAQI
25th Jul 2025414 AMAQI
27°C23/31°C
25th Jul 2025425 AMAQI
25th Jul 2025416 AMAQI
25th Jul 2025417 AMAQI
25th Jul 2025338 AMAQI
25th Jul 2025329 AMAQI
25th Jul 20253410 AMAQI
25th Jul 20253911 AMAQI
25th Jul 20253412 PMAQI
25th Jul 2025331 PMAQI
25th Jul 2025342 PMAQI
25th Jul 2025383 PMAQI
25th Jul 2025384 PMAQI
25th Jul 2025425 PMAQI
25th Jul 2025386 PMAQI
25th Jul 2025387 PMAQI
25th Jul 2025408 PMAQI
25th Jul 2025389 PMAQI
25th Jul 20253210 PMAQI
25th Jul 20253011 PMAQI
26th Jul 20253212 AMAQI
26th Jul 2025321 AMAQI
26th Jul 2025382 AMAQI
26th Jul 2025423 AMAQI
26th Jul 2025384 AMAQI
26°C24/31°C
26th Jul 2025405 AMAQI
26th Jul 2025406 AMAQI
26th Jul 2025407 AMAQI
26th Jul 2025228 AMAQI
26th Jul 2025189 AMAQI
26th Jul 20251510 AMAQI
26th Jul 20251811 AMAQI
26th Jul 20251912 PMAQI
26th Jul 2025281 PMAQI
26th Jul 2025382 PMAQI
26th Jul 2025363 PMAQI
26th Jul 2025364 PMAQI
26th Jul 2025495 PMAQI
26th Jul 2025556 PMAQI
26th Jul 2025537 PMAQI
26th Jul 2025538 PMAQI
26th Jul 2025529 PMAQI
26th Jul 20255110 PMAQI
26th Jul 20254311 PMAQI
27th Jul 20253912 AMAQI
27th Jul 2025381 AMAQI
27th Jul 2025382 AMAQI
27th Jul 2025363 AMAQI
27th Jul 2025334 AMAQI
26°C24/30°C
27th Jul 2025345 AMAQI
27th Jul 2025346 AMAQI
27th Jul 2025347 AMAQI
27th Jul 2025438 AMAQI
27th Jul 2025409 AMAQI
27th Jul 20253810 AMAQI
27th Jul 20254111 AMAQI
27th Jul 20254012 PMAQI
27th Jul 2025361 PMAQI
27th Jul 2025382 PMAQI
27th Jul 2025323 PMAQI
27th Jul 2025374 PMAQI
27th Jul 2025365 PMAQI
27th Jul 2025416 PMAQI
27th Jul 2025517 PMAQI
27th Jul 2025538 PMAQI
27th Jul 2025519 PMAQI
27th Jul 20253610 PMAQI
27th Jul 20253611 PMAQI
28th Jul 20253412 AMAQI
28th Jul 2025361 AMAQI
28th Jul 2025362 AMAQI
28th Jul 2025363 AMAQI
28th Jul 2025374 AMAQI
27°C23/31°C
28th Jul 2025375 AMAQI
28th Jul 2025376 AMAQI
28th Jul 2025377 AMAQI
28th Jul 2025508 AMAQI
28th Jul 2025589 AMAQI
28th Jul 20255610 AMAQI
28th Jul 20255211 AMAQI
28th Jul 20254612 PMAQI
28th Jul 2025491 PMAQI
28th Jul 2025462 PMAQI
28th Jul 2025333 PMAQI
28th Jul 2025224 PMAQI
28th Jul 2025225 PMAQI
28th Jul 2025226 PMAQI
28th Jul 2025327 PMAQI
28th Jul 2025388 PMAQI
28th Jul 2025429 PMAQI
28th Jul 20253810 PMAQI
28th Jul 20253911 PMAQI
29th Jul 20254412 AMAQI
29th Jul 2025381 AMAQI
29th Jul 2025382 AMAQI
29th Jul 2025393 AMAQI
29th Jul 2025424 AMAQI
26°C23/31°C
29th Jul 2025425 AMAQI
29th Jul 2025426 AMAQI
29th Jul 2025407 AMAQI
29th Jul 2025268 AMAQI
29th Jul 2025229 AMAQI
29th Jul 20252210 AMAQI
29th Jul 20253111 AMAQI
29th Jul 20253012 PMAQI
29th Jul 2025321 PMAQI
29th Jul 2025312 PMAQI
29th Jul 2025343 PMAQI
29th Jul 2025464 PMAQI
29th Jul 2025525 PMAQI
29th Jul 2025416 PMAQI
29th Jul 2025447 PMAQI
29th Jul 2025458 PMAQI
29th Jul 2025359 PMAQI
29th Jul 20253710 PMAQI
29th Jul 20254211 PMAQI
30th Jul 20253612 AMAQI
30th Jul 2025421 AMAQI
30th Jul 2025422 AMAQI
30th Jul 2025403 AMAQI
30th Jul 2025384 AMAQI
28°C22/34°C
30th Jul 2025385 AMAQI
30th Jul 2025386 AMAQI
30th Jul 2025387 AMAQI
30th Jul 2025288 AMAQI
30th Jul 2025259 AMAQI
30th Jul 20253110 AMAQI
30th Jul 20253611 AMAQI
30th Jul 20253812 PMAQI
30th Jul 2025381 PMAQI
30th Jul 2025382 PMAQI
30th Jul 2025393 PMAQI
30th Jul 2025414 PMAQI
30th Jul 2025435 PMAQI
30th Jul 2025526 PMAQI
30th Jul 2025527 PMAQI
30th Jul 2025538 PMAQI
30th Jul 2025589 PMAQI
30th Jul 20255610 PMAQI
30th Jul 20255711 PMAQI
31st Jul 20255912 AMAQI
31st Jul 2025381 AMAQI
31st Jul 2025392 AMAQI
31st Jul 2025403 AMAQI
31st Jul 2025394 AMAQI
28°C22/35°C
31st Jul 2025395 AMAQI
31st Jul 2025396 AMAQI
31st Jul 2025397 AMAQI
31st Jul 2025398 AMAQI
31st Jul 2025399 AMAQI
31st Jul 20253910 AMAQI
31st Jul 20254511 AMAQI
31st Jul 20255212 PMAQI
31st Jul 2025541 PMAQI
31st Jul 2025622 PMAQI
31st Jul 2025743 PMAQI
31st Jul 2025814 PMAQI
31st Jul 2025795 PMAQI
31st Jul 2025846 PMAQI
31st Jul 2025687 PMAQI
31st Jul 2025618 PMAQI
31st Jul 2025629 PMAQI
31st Jul 20255710 PMAQI
31st Jul 20255711 PMAQI
1st Aug 20255212 AMAQI
1st Aug 2025461 AMAQI
1st Aug 2025482 AMAQI
1st Aug 2025443 AMAQI
1st Aug 2025444 AMAQI
29°C24/36°C
1st Aug 2025445 AMAQI
1st Aug 2025486 AMAQI
1st Aug 2025517 AMAQI
1st Aug 2025708 AMAQI
1st Aug 2025679 AMAQI
1st Aug 20256910 AMAQI
1st Aug 20256911 AMAQI
1st Aug 20257012 PMAQI
1st Aug 2025661 PMAQI
1st Aug 2025702 PMAQI
1st Aug 2025593 PMAQI
1st Aug 2025564 PMAQI
1st Aug 2025575 PMAQI
1st Aug 2025606 PMAQI
1st Aug 2025587 PMAQI
1st Aug 2025588 PMAQI
1st Aug 2025609 PMAQI
1st Aug 20256010 PMAQI
1st Aug 20256111 PMAQI
2nd Aug 20255712 AMAQI
2nd Aug 2025501 AMAQI
2nd Aug 2025502 AMAQI
2nd Aug 2025533 AMAQI
2nd Aug 2025554 AMAQI
29°C25/35°C
2nd Aug 2025545 AMAQI
2nd Aug 2025546 AMAQI
2nd Aug 2025547 AMAQI
2nd Aug 2025728 AMAQI
2nd Aug 2025669 AMAQI
2nd Aug 20256810 AMAQI
2nd Aug 20256311 AMAQI
2nd Aug 20256612 PMAQI
2nd Aug 2025671 PMAQI
2nd Aug 2025752 PMAQI
2nd Aug 2025743 PMAQI
2nd Aug 2025674 PMAQI
2nd Aug 2025705 PMAQI
2nd Aug 2025666 PMAQI
2nd Aug 2025637 PMAQI
2nd Aug 2025618 PMAQI
2nd Aug 2025609 PMAQI
2nd Aug 20256310 PMAQI
2nd Aug 20256211 PMAQI
3rd Aug 20255812 AMAQI
3rd Aug 2025541 AMAQI
3rd Aug 2025532 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025574 AMAQI
29°C25/35°C
3rd Aug 2025575 AMAQI
3rd Aug 2025566 AMAQI
3rd Aug 2025587 AMAQI
3rd Aug 2025678 AMAQI
3rd Aug 2025689 AMAQI
3rd Aug 20257810 AMAQI
3rd Aug 20257211 AMAQI
3rd Aug 20256912 PMAQI
3rd Aug 2025571 PMAQI
3rd Aug 2025622 PMAQI
3rd Aug 2025683 PMAQI
3rd Aug 2025644 PMAQI
3rd Aug 2025685 PMAQI
3rd Aug 2025676 PMAQI
3rd Aug 2025647 PMAQI
3rd Aug 2025618 PMAQI
3rd Aug 2025649 PMAQI
3rd Aug 20256210 PMAQI
3rd Aug 20256011 PMAQI
4th Aug 20255812 AMAQI
4th Aug 2025561 AMAQI
4th Aug 2025562 AMAQI
4th Aug 2025573 AMAQI
4th Aug 2025584 AMAQI
29°C26/34°C
4th Aug 2025575 AMAQI
4th Aug 2025576 AMAQI
4th Aug 2025587 AMAQI
4th Aug 2025618 AMAQI
4th Aug 2025679 AMAQI
4th Aug 20256710 AMAQI
4th Aug 20256211 AMAQI
4th Aug 20256012 PMAQI
4th Aug 2025661 PMAQI
4th Aug 2025622 PMAQI
4th Aug 2025733 PMAQI
4th Aug 2025604 PMAQI
4th Aug 2025585 PMAQI
4th Aug 2025576 PMAQI
4th Aug 2025557 PMAQI
4th Aug 2025558 PMAQI
4th Aug 2025579 PMAQI
4th Aug 20255610 PMAQI
4th Aug 20255711 PMAQI
5th Aug 20255812 AMAQI
5th Aug 2025561 AMAQI
5th Aug 2025562 AMAQI
5th Aug 2025573 AMAQI
5th Aug 2025594 AMAQI
28°C25/33°C
5th Aug 2025585 AMAQI
5th Aug 2025586 AMAQI
5th Aug 2025607 AMAQI
5th Aug 2025468 AMAQI
5th Aug 2025519 AMAQI
5th Aug 20255010 AMAQI
5th Aug 20255411 AMAQI
5th Aug 20255512 PMAQI
5th Aug 2025531 PMAQI
5th Aug 2025462 PMAQI
5th Aug 2025483 PMAQI
5th Aug 2025504 PMAQI
5th Aug 2025455 PMAQI
5th Aug 2025486 PMAQI
5th Aug 2025537 PMAQI
5th Aug 2025558 PMAQI
5th Aug 2025559 PMAQI
5th Aug 20255610 PMAQI
5th Aug 20255511 PMAQI
6th Aug 20255612 AMAQI
6th Aug 2025561 AMAQI
6th Aug 2025572 AMAQI
6th Aug 2025563 AMAQI
6th Aug 2025564 AMAQI
28°C24/32°C
6th Aug 2025565 AMAQI
6th Aug 2025566 AMAQI
6th Aug 2025567 AMAQI
6th Aug 2025488 AMAQI
6th Aug 2025489 AMAQI
6th Aug 20254410 AMAQI
6th Aug 20254811 AMAQI
6th Aug 20254712 PMAQI
6th Aug 2025541 PMAQI
6th Aug 2025552 PMAQI
6th Aug 2025573 PMAQI
6th Aug 2025564 PMAQI
6th Aug 2025585 PMAQI
6th Aug 2025586 PMAQI
6th Aug 2025627 PMAQI
6th Aug 2025648 PMAQI
6th Aug 2025649 PMAQI
6th Aug 20256410 PMAQI
6th Aug 20256211 PMAQI
7th Aug 20256312 AMAQI
7th Aug 2025551 AMAQI
7th Aug 2025552 AMAQI
7th Aug 2025553 AMAQI
7th Aug 2025544 AMAQI
29°C25/35°C
7th Aug 2025545 AMAQI
7th Aug 2025546 AMAQI
7th Aug 2025547 AMAQI
7th Aug 2025628 AMAQI
7th Aug 2025689 AMAQI
7th Aug 20256010 AMAQI
7th Aug 20255911 AMAQI
7th Aug 20255612 PMAQI
7th Aug 2025531 PMAQI
7th Aug 2025542 PMAQI
7th Aug 2025543 PMAQI
7th Aug 2025654 PMAQI
7th Aug 2025715 PMAQI
7th Aug 2025686 PMAQI
7th Aug 2025667 PMAQI
7th Aug 2025648 PMAQI
7th Aug 2025699 PMAQI
7th Aug 20256610 PMAQI
7th Aug 20256311 PMAQI
8th Aug 20256212 AMAQI
8th Aug 2025551 AMAQI
8th Aug 2025552 AMAQI
8th Aug 2025553 AMAQI
8th Aug 2025564 AMAQI
30°C24/36°C
8th Aug 2025565 AMAQI
8th Aug 2025566 AMAQI
8th Aug 2025567 AMAQI
8th Aug 2025678 AMAQI
8th Aug 2025719 AMAQI
8th Aug 20258110 AMAQI
8th Aug 20258211 AMAQI
8th Aug 20258812 PMAQI
8th Aug 2025861 PMAQI
8th Aug 2025932 PMAQI
8th Aug 2025863 PMAQI
8th Aug 2025884 PMAQI
8th Aug 2025785 PMAQI
8th Aug 2025856 PMAQI
8th Aug 2025807 PMAQI
8th Aug 2025778 PMAQI
8th Aug 2025819 PMAQI
8th Aug 20257210 PMAQI
8th Aug 20257011 PMAQI
9th Aug 20256812 AMAQI
9th Aug 2025561 AMAQI
9th Aug 2025562 AMAQI
9th Aug 2025583 AMAQI
9th Aug 2025624 AMAQI
30°C25/36°C
9th Aug 2025625 AMAQI
9th Aug 2025606 AMAQI
9th Aug 2025617 AMAQI
9th Aug 2025758 AMAQI
9th Aug 2025849 AMAQI
9th Aug 20259310 AMAQI
9th Aug 20258511 AMAQI
9th Aug 20259312 PMAQI
9th Aug 20251061 PMAQI
9th Aug 20251202 PMAQI
9th Aug 2025953 PMAQI
9th Aug 2025864 PMAQI
9th Aug 2025825 PMAQI
9th Aug 2025826 PMAQI
9th Aug 2025737 PMAQI
9th Aug 2025688 PMAQI
9th Aug 2025689 PMAQI
9th Aug 20256410 PMAQI
9th Aug 20256011 PMAQI
10th Aug 20255912 AMAQI
10th Aug 2025601 AMAQI
10th Aug 2025592 AMAQI
10th Aug 2025643 AMAQI
10th Aug 2025674 AMAQI
30°C26/36°C
10th Aug 2025675 AMAQI
10th Aug 2025676 AMAQI
10th Aug 2025677 AMAQI
10th Aug 2025808 AMAQI
10th Aug 2025949 AMAQI
10th Aug 20259110 AMAQI
10th Aug 20258411 AMAQI
10th Aug 20258912 PMAQI
10th Aug 20251021 PMAQI
10th Aug 2025952 PMAQI
10th Aug 2025953 PMAQI
10th Aug 2025924 PMAQI
10th Aug 2025805 PMAQI
10th Aug 2025776 PMAQI
10th Aug 2025747 PMAQI
10th Aug 2025708 PMAQI
10th Aug 2025689 PMAQI
10th Aug 20256410 PMAQI
10th Aug 20256311 PMAQI
11th Aug 20256012 AMAQI
11th Aug 2025631 AMAQI
11th Aug 2025622 AMAQI
11th Aug 2025633 AMAQI
11th Aug 2025654 AMAQI
30°C25/37°C
11th Aug 2025655 AMAQI
11th Aug 2025666 AMAQI
11th Aug 2025677 AMAQI
11th Aug 2025618 AMAQI
11th Aug 2025709 AMAQI
11th Aug 20257810 AMAQI
11th Aug 20257911 AMAQI
11th Aug 20257912 PMAQI
11th Aug 2025871 PMAQI
11th Aug 2025772 PMAQI
11th Aug 2025683 PMAQI
11th Aug 2025624 PMAQI
11th Aug 2025625 PMAQI
11th Aug 2025606 PMAQI
11th Aug 2025657 PMAQI
11th Aug 2025688 PMAQI
11th Aug 2025659 PMAQI
11th Aug 20256510 PMAQI
11th Aug 20256211 PMAQI
12th Aug 20256112 AMAQI
12th Aug 2025621 AMAQI
12th Aug 2025602 AMAQI
12th Aug 2025623 AMAQI
12th Aug 2025644 AMAQI
30°C25/36°C
12th Aug 2025645 AMAQI
12th Aug 2025656 AMAQI
12th Aug 2025647 AMAQI
12th Aug 2025588 AMAQI
12th Aug 2025659 AMAQI
12th Aug 20256010 AMAQI
12th Aug 20256611 AMAQI
12th Aug 20255712 PMAQI
12th Aug 2025621 PMAQI
12th Aug 2025602 PMAQI
12th Aug 2025633 PMAQI
12th Aug 2025634 PMAQI
12th Aug 2025585 PMAQI
12th Aug 2025586 PMAQI
12th Aug 2025597 PMAQI
12th Aug 2025548 PMAQI
12th Aug 2025609 PMAQI
12th Aug 20256010 PMAQI
12th Aug 20255911 PMAQI
13th Aug 20255712 AMAQI
13th Aug 2025611 AMAQI
13th Aug 2025622 AMAQI
13th Aug 2025603 AMAQI
13th Aug 2025624 AMAQI
28°C24/33°C
13th Aug 2025625 AMAQI
13th Aug 2025646 AMAQI
13th Aug 2025627 AMAQI
13th Aug 2025508 AMAQI
13th Aug 2025529 AMAQI
13th Aug 20255010 AMAQI
13th Aug 20253311 AMAQI
13th Aug 20254412 PMAQI
13th Aug 2025411 PMAQI
13th Aug 2025472 PMAQI
13th Aug 2025393 PMAQI
13th Aug 2025444 PMAQI
13th Aug 2025445 PMAQI
13th Aug 2025346 PMAQI
13th Aug 2025627 PMAQI
13th Aug 2025558 PMAQI
13th Aug 2025549 PMAQI
13th Aug 20255510 PMAQI
13th Aug 20255411 PMAQI
14th Aug 20255712 AMAQI
14th Aug 2025601 AMAQI
14th Aug 2025602 AMAQI
14th Aug 2025593 AMAQI
14th Aug 2025574 AMAQI
28°C24/33°C
14th Aug 2025585 AMAQI
14th Aug 2025586 AMAQI
14th Aug 2025587 AMAQI
14th Aug 2025308 AMAQI
14th Aug 2025309 AMAQI
14th Aug 20252610 AMAQI
14th Aug 20253411 AMAQI
14th Aug 20252812 PMAQI
14th Aug 2025361 PMAQI
14th Aug 2025242 PMAQI
14th Aug 2025233 PMAQI
14th Aug 2025324 PMAQI
14th Aug 2025225 PMAQI
14th Aug 2025306 PMAQI
14th Aug 2025457 PMAQI
14th Aug 2025508 PMAQI
14th Aug 2025539 PMAQI
14th Aug 20255010 PMAQI
14th Aug 20255011 PMAQI
15th Aug 20255212 AMAQI
15th Aug 2025571 AMAQI
15th Aug 2025582 AMAQI
15th Aug 2025553 AMAQI
15th Aug 2025554 AMAQI
26°C23/30°C
15th Aug 2025545 AMAQI
15th Aug 2025546 AMAQI
15th Aug 2025547 AMAQI
15th Aug 2025288 AMAQI
15th Aug 2025279 AMAQI
15th Aug 20252210 AMAQI
15th Aug 20251911 AMAQI
15th Aug 20252612 PMAQI
15th Aug 2025211 PMAQI
15th Aug 2025242 PMAQI
15th Aug 2025233 PMAQI
15th Aug 2025404 PMAQI
15th Aug 2025305 PMAQI
15th Aug 2025246 PMAQI
15th Aug 2025427 PMAQI
15th Aug 2025488 PMAQI
15th Aug 2025529 PMAQI
15th Aug 20255110 PMAQI
15th Aug 20254811 PMAQI
16th Aug 20255012 AMAQI
16th Aug 2025501 AMAQI
16th Aug 2025542 AMAQI
16th Aug 2025523 AMAQI
16th Aug 2025504 AMAQI
27°C23/32°C
16th Aug 2025515 AMAQI
16th Aug 2025506 AMAQI
16th Aug 2025507 AMAQI
16th Aug 2025348 AMAQI
16th Aug 2025309 AMAQI
16th Aug 20252810 AMAQI
16th Aug 20252711 AMAQI
16th Aug 20252412 PMAQI
16th Aug 2025261 PMAQI
16th Aug 2025252 PMAQI
16th Aug 2025243 PMAQI
16th Aug 2025284 PMAQI
16th Aug 2025325 PMAQI
16th Aug 2025376 PMAQI
16th Aug 2025417 PMAQI
16th Aug 2025488 PMAQI
16th Aug 2025489 PMAQI
16th Aug 20254910 PMAQI
16th Aug 20254811 PMAQI
17th Aug 20254712 AMAQI
17th Aug 2025511 AMAQI
17th Aug 2025512 AMAQI
17th Aug 2025493 AMAQI
17th Aug 2025484 AMAQI
28°C25/32°C
17th Aug 2025455 AMAQI
17th Aug 2025476 AMAQI
17th Aug 2025457 AMAQI
17th Aug 2025438 AMAQI
17th Aug 2025409 AMAQI
17th Aug 20254110 AMAQI
17th Aug 20253911 AMAQI
17th Aug 20254112 PMAQI
17th Aug 2025381 PMAQI
17th Aug 2025312 PMAQI
17th Aug 2025303 PMAQI
17th Aug 2025344 PMAQI
17th Aug 2025365 PMAQI
17th Aug 2025456 PMAQI
17th Aug 2025527 PMAQI
17th Aug 2025568 PMAQI
17th Aug 2025539 PMAQI
17th Aug 20255210 PMAQI
17th Aug 20254811 PMAQI
18th Aug 20254812 AMAQI
18th Aug 2025461 AMAQI
18th Aug 2025472 AMAQI
18th Aug 2025483 AMAQI
18th Aug 2025444 AMAQI
28°C23/33°C
18th Aug 2025485 AMAQI
18th Aug 2025466 AMAQI
18th Aug 2025467 AMAQI
18th Aug 2025558 AMAQI
18th Aug 2025499 AMAQI
18th Aug 20254610 AMAQI
18th Aug 20253611 AMAQI
18th Aug 20253012 PMAQI
18th Aug 2025441 PMAQI
18th Aug 2025462 PMAQI
18th Aug 2025463 PMAQI
18th Aug 2025474 PMAQI
18th Aug 2025425 PMAQI
18th Aug 2025386 PMAQI
18th Aug 2025457 PMAQI
18th Aug 2025488 PMAQI
18th Aug 2025479 PMAQI
18th Aug 20254310 PMAQI
18th Aug 20254511 PMAQI
19th Aug 20254612 AMAQI
19th Aug 2025481 AMAQI
19th Aug 2025452 AMAQI
19th Aug 2025483 AMAQI
19th Aug 2025474 AMAQI
28°C23/33°C
19th Aug 2025455 AMAQI
19th Aug 2025466 AMAQI
19th Aug 2025467 AMAQI
19th Aug 2025468 AMAQI
19th Aug 2025469 AMAQI
19th Aug 20254010 AMAQI
19th Aug 20254111 AMAQI
19th Aug 20254012 PMAQI
19th Aug 2025461 PMAQI
19th Aug 2025502 PMAQI
19th Aug 2025483 PMAQI
19th Aug 2025424 PMAQI
19th Aug 2025455 PMAQI
19th Aug 2025496 PMAQI
19th Aug 2025517 PMAQI
19th Aug 2025488 PMAQI
19th Aug 2025489 PMAQI
19th Aug 20255010 PMAQI
19th Aug 20255011 PMAQI
20th Aug 20254712 AMAQI
20th Aug 2025471 AMAQI
20th Aug 2025472 AMAQI
20th Aug 2025473 AMAQI
20th Aug 2025474 AMAQI
29°C25/34°C
20th Aug 2025475 AMAQI
20th Aug 2025476 AMAQI
20th Aug 2025477 AMAQI
20th Aug 2025548 AMAQI
20th Aug 2025599 AMAQI
20th Aug 20255410 AMAQI
20th Aug 20256011 AMAQI
20th Aug 20256412 PMAQI
20th Aug 2025661 PMAQI
20th Aug 2025622 PMAQI
20th Aug 2025583 PMAQI
20th Aug 2025644 PMAQI
20th Aug 2025645 PMAQI
20th Aug 2025666 PMAQI
20th Aug 2025647 PMAQI
20th Aug 2025598 PMAQI
20th Aug 2025589 PMAQI
20th Aug 20255610 PMAQI
20th Aug 20255611 PMAQI
21st Aug 20255312 AMAQI
21st Aug 2025491 AMAQI
21st Aug 2025472 AMAQI
21st Aug 2025513 AMAQI
21st Aug 2025514 AMAQI
29°C24/35°C
21st Aug 2025515 AMAQI
21st Aug 2025526 AMAQI
21st Aug 2025527 AMAQI
21st Aug 2025608 AMAQI
21st Aug 2025599 AMAQI
21st Aug 20255810 AMAQI
21st Aug 20255811 AMAQI
21st Aug 20255812 PMAQI
21st Aug 2025641 PMAQI
21st Aug 2025682 PMAQI
21st Aug 2025623 PMAQI
21st Aug 2025554 PMAQI
21st Aug 2025685 PMAQI
21st Aug 2025626 PMAQI
21st Aug 2025687 PMAQI
21st Aug 2025628 PMAQI
21st Aug 2025649 PMAQI
21st Aug 20256410 PMAQI
21st Aug 20256111 PMAQI
22nd Aug 20255812 AMAQI
22nd Aug 2025511 AMAQI
--°C/°C
5 AM
11 AM
6 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
1 PM - 2 PM
53AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
5 AM - 8 AM
51AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 2 PM (Avg. 53), while the lowest AQI was between 5 AM to 8 AM (Avg. 51).
Night time
Avg. Highest Time
7 PM - 9 PM
56AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
1 AM - 4 AM
50AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 9 PM (Avg. 56), while the lowest AQI was between 1 AM to 4 AM (Avg. 50).
2025 Days Vs Air Quality
Ouhai, Wenzhou, Zhejiang, China
2025
15%
34
66%
153
20%
46
Total number of days with different AQI categories in last 233 days in 2025 (132 days remaining)
Good
34 DaysModerate
153 DaysPoor
46 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 15%
Health Risk Level:
Extreme
In 2025, 15% of 233 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
Ouhai, Wenzhou, Zhejiang, China
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
113AQI
113AQI
2nd January 2025
102AQI
102AQI
3rd January 2025
112AQI
112AQI
4th January 2025
91AQI
91AQI
5th January 2025
104AQI
104AQI
6th January 2025
118AQI
118AQI
7th January 2025
134AQI
134AQI
8th January 2025
126AQI
126AQI
9th January 2025
122AQI
122AQI
10th January 2025
88AQI
88AQI
11th January 2025
98AQI
98AQI
12th January 2025
100AQI
100AQI
13th January 2025
113AQI
113AQI
14th January 2025
108AQI
108AQI
15th January 2025
137AQI
137AQI
16th January 2025
99AQI
99AQI
17th January 2025
119AQI
119AQI
18th January 2025
102AQI
102AQI
19th January 2025
110AQI
110AQI
20th January 2025
120AQI
120AQI
21st January 2025
144AQI
144AQI
22nd January 2025
138AQI
138AQI
23rd January 2025
117AQI
117AQI
24th January 2025
89AQI
89AQI
25th January 2025
91AQI
91AQI
26th January 2025
69AQI
69AQI
27th January 2025
68AQI
68AQI
28th January 2025
72AQI
72AQI
29th January 2025
104AQI
104AQI
30th January 2025
87AQI
87AQI
31st January 2025
97AQI
97AQI
1st February 2025
68AQI
68AQI
2nd February 2025
53AQI
53AQI
3rd February 2025
100AQI
100AQI
4th February 2025
109AQI
109AQI
5th February 2025
93AQI
93AQI
6th February 2025
116AQI
116AQI
7th February 2025
91AQI
91AQI
8th February 2025
72AQI
72AQI
9th February 2025
84AQI
84AQI
10th February 2025
92AQI
92AQI
11th February 2025
88AQI
88AQI
12th February 2025
97AQI
97AQI
13th February 2025
137AQI
137AQI
14th February 2025
101AQI
101AQI
15th February 2025
141AQI
141AQI
16th February 2025
114AQI
114AQI
17th February 2025
126AQI
126AQI
18th February 2025
79AQI
79AQI
19th February 2025
113AQI
113AQI
20th February 2025
64AQI
64AQI
21st February 2025
69AQI
69AQI
22nd February 2025
76AQI
76AQI
23rd February 2025
67AQI
67AQI
24th February 2025
131AQI
131AQI
25th February 2025
134AQI
134AQI
26th February 2025
144AQI
144AQI
27th February 2025
147AQI
147AQI
28th February 2025
119AQI
119AQI
1st March 2025
121AQI
121AQI
2nd March 2025
112AQI
112AQI
3rd March 2025
108AQI
108AQI
4th March 2025
76AQI
76AQI
5th March 2025
61AQI
61AQI
6th March 2025
58AQI
58AQI
7th March 2025
78AQI
78AQI
8th March 2025
98AQI
98AQI
9th March 2025
96AQI
96AQI
10th March 2025
93AQI
93AQI
11th March 2025
118AQI
118AQI
12th March 2025
88AQI
88AQI
13th March 2025
77AQI
77AQI
14th March 2025
74AQI
74AQI
15th March 2025
41AQI
41AQI
16th March 2025
72AQI
72AQI
17th March 2025
78AQI
78AQI
18th March 2025
88AQI
88AQI
19th March 2025
86AQI
86AQI
20th March 2025
110AQI
110AQI
21st March 2025
88AQI
88AQI
22nd March 2025
97AQI
97AQI
23rd March 2025
103AQI
103AQI
24th March 2025
120AQI
120AQI
25th March 2025
134AQI
134AQI
26th March 2025
121AQI
121AQI
27th March 2025
121AQI
121AQI
28th March 2025
71AQI
71AQI
29th March 2025
85AQI
85AQI
30th March 2025
67AQI
67AQI
31st March 2025
68AQI
68AQI
1st April 2025
67AQI
67AQI
2nd April 2025
88AQI
88AQI
3rd April 2025
100AQI
100AQI
4th April 2025
97AQI
97AQI
5th April 2025
89AQI
89AQI
6th April 2025
95AQI
95AQI
7th April 2025
94AQI
94AQI
8th April 2025
89AQI
89AQI
9th April 2025
118AQI
118AQI
10th April 2025
83AQI
83AQI
11th April 2025
95AQI
95AQI
12th April 2025
88AQI
88AQI
13th April 2025
86AQI
86AQI
14th April 2025
98AQI
98AQI
15th April 2025
86AQI
86AQI
16th April 2025
89AQI
89AQI
17th April 2025
112AQI
112AQI
18th April 2025
98AQI
98AQI
19th April 2025
81AQI
81AQI
20th April 2025
103AQI
103AQI
21st April 2025
88AQI
88AQI
22nd April 2025
90AQI
90AQI
23rd April 2025
72AQI
72AQI
24th April 2025
74AQI
74AQI
25th April 2025
54AQI
54AQI
26th April 2025
76AQI
76AQI
27th April 2025
81AQI
81AQI
28th April 2025
82AQI
82AQI
29th April 2025
76AQI
76AQI
30th April 2025
69AQI
69AQI
1st May 2025
74AQI
74AQI
2nd May 2025
76AQI
76AQI
3rd May 2025
86AQI
86AQI
4th May 2025
64AQI
64AQI
5th May 2025
81AQI
81AQI
6th May 2025
79AQI
79AQI
7th May 2025
93AQI
93AQI
8th May 2025
70AQI
70AQI
9th May 2025
75AQI
75AQI
10th May 2025
64AQI
64AQI
11th May 2025
72AQI
72AQI
12th May 2025
69AQI
69AQI
13th May 2025
69AQI
69AQI
14th May 2025
65AQI
65AQI
15th May 2025
68AQI
68AQI
16th May 2025
78AQI
78AQI
17th May 2025
79AQI
79AQI
18th May 2025
54AQI
54AQI
19th May 2025
74AQI
74AQI
20th May 2025
76AQI
76AQI
21st May 2025
58AQI
58AQI
22nd May 2025
63AQI
63AQI
23rd May 2025
65AQI
65AQI
24th May 2025
69AQI
69AQI
25th May 2025
103AQI
103AQI
26th May 2025
87AQI
87AQI
27th May 2025
70AQI
70AQI
28th May 2025
68AQI
68AQI
29th May 2025
52AQI
52AQI
30th May 2025
71AQI
71AQI
31st May 2025
75AQI
75AQI
1st June 2025
71AQI
71AQI
2nd June 2025
81AQI
81AQI
3rd June 2025
61AQI
61AQI
4th June 2025
76AQI
76AQI
5th June 2025
60AQI
60AQI
6th June 2025
70AQI
70AQI
7th June 2025
70AQI
70AQI
8th June 2025
66AQI
66AQI
9th June 2025
64AQI
64AQI
10th June 2025
53AQI
53AQI
11th June 2025
46AQI
46AQI
12th June 2025
50AQI
50AQI
13th June 2025
49AQI
49AQI
14th June 2025
54AQI
54AQI
15th June 2025
53AQI
53AQI
16th June 2025
50AQI
50AQI
17th June 2025
59AQI
59AQI
18th June 2025
58AQI
58AQI
19th June 2025
54AQI
54AQI
20th June 2025
51AQI
51AQI
21st June 2025
59AQI
59AQI
22nd June 2025
66AQI
66AQI
23rd June 2025
58AQI
58AQI
24th June 2025
63AQI
63AQI
25th June 2025
61AQI
61AQI
26th June 2025
65AQI
65AQI
27th June 2025
64AQI
64AQI
28th June 2025
55AQI
55AQI
29th June 2025
53AQI
53AQI
30th June 2025
45AQI
45AQI
1st July 2025
46AQI
46AQI
2nd July 2025
50AQI
50AQI
3rd July 2025
49AQI
49AQI
4th July 2025
54AQI
54AQI
5th July 2025
48AQI
48AQI
6th July 2025
41AQI
41AQI
7th July 2025
34AQI
34AQI
8th July 2025
39AQI
39AQI
9th July 2025
45AQI
45AQI
10th July 2025
50AQI
50AQI
11th July 2025
47AQI
47AQI
12th July 2025
51AQI
51AQI
13th July 2025
51AQI
51AQI
14th July 2025
59AQI
59AQI
15th July 2025
70AQI
70AQI
16th July 2025
66AQI
66AQI
17th July 2025
70AQI
70AQI
18th July 2025
55AQI
55AQI
19th July 2025
45AQI
45AQI
20th July 2025
45AQI
45AQI
21st July 2025
37AQI
37AQI
22nd July 2025
45AQI
45AQI
23rd July 2025
42AQI
42AQI
24th July 2025
41AQI
41AQI
25th July 2025
38AQI
38AQI
26th July 2025
39AQI
39AQI
27th July 2025
39AQI
39AQI
28th July 2025
38AQI
38AQI
29th July 2025
38AQI
38AQI
30th July 2025
43AQI
43AQI
31st July 2025
54AQI
54AQI
1st August 2025
57AQI
57AQI
2nd August 2025
61AQI
61AQI
3rd August 2025
62AQI
62AQI
4th August 2025
59AQI
59AQI
5th August 2025
54AQI
54AQI
6th August 2025
57AQI
57AQI
7th August 2025
60AQI
60AQI
8th August 2025
71AQI
71AQI
9th August 2025
74AQI
74AQI
10th August 2025
74AQI
74AQI
11th August 2025
67AQI
67AQI
12th August 2025
61AQI
61AQI
13th August 2025
53AQI
53AQI
14th August 2025
45AQI
45AQI
15th August 2025
42AQI
42AQI
16th August 2025
41AQI
41AQI
17th August 2025
45AQI
45AQI
18th August 2025
45AQI
45AQI
19th August 2025
47AQI
47AQI
20th August 2025
54AQI
54AQI
21st August 2025
51AQI
51AQI
22nd August 2025
23rd August 2025
24th August 2025
25th August 2025
26th August 2025
27th August 2025
28th August 2025
29th August 2025
30th August 2025
31st August 2025
1st September 2025
2nd September 2025
3rd September 2025
4th September 2025
5th September 2025
6th September 2025
7th September 2025
8th September 2025
9th September 2025
10th September 2025
11th September 2025
12th September 2025
13th September 2025
14th September 2025
15th September 2025
16th September 2025
17th September 2025
18th September 2025
19th September 2025
20th September 2025
21st September 2025
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
106AQI
101AQI
91AQI
87AQI
72AQI
60AQI
47AQI
56AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202578AQI
12
19
15
13
1
20
10
27
3
30
1
5
25
22
9
6
15
34
153
46
Highest AQI recorded in
January106AQI
Lowest AQI recorded in
July47AQI
202477AQI
1
9
11
10
10
13
4
2
2
11
18
1
18
10
1
7
21
3
7
20
3
14
17
4
26
1
14
16
11
20
8
20
2
19
12
79
210
64
13
Highest AQI recorded in
January121AQI
Lowest AQI recorded in
July52AQI
202383AQI
2
17
12
2
17
6
3
12
19
14
16
4
20
7
2
27
1
7
23
1
8
23
2
28
7
20
4
2
11
13
3
13
12
3
39
225
91
6
Highest AQI recorded in
March107AQI
Lowest AQI recorded in
July60AQI
202278AQI
7
10
9
5
6
10
5
6
14
9
2
4
19
7
5
21
5
9
19
2
3
15
3
1
5
21
1
1
9
21
1
3
24
3
6
14
9
2
63
189
54
10
Highest AQI recorded in
January94AQI
Lowest AQI recorded in
October64AQI
202181AQI
13
14
4
2
16
9
1
2
13
16
1
20
9
2
22
7
5
25
10
21
6
22
8
22
11
16
4
3
16
11
1
13
15
2
51
219
85
7
Highest AQI recorded in
January112AQI
Lowest AQI recorded in
September60AQI
202081AQI
4
5
4
3
5
13
2
14
2
4
22
4
2
25
4
9
22
3
21
6
3
27
1
3
18
9
2
13
13
3
35
172
56
3
Highest AQI recorded in
April104AQI
Lowest AQI recorded in
August61AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
83AQILeast Polluted Year Recorded
2024(Avg.)
77AQIOuhai's annual 2025 AQI (78) shows an average percentage change of -2.1% (improved AQI) compared to previous years: 2020 (81), 2021 (81), 2022 (78), 2023 (83), 2024 (77).
