Sewage Treatment Plant, Wenlan, Yunnan, 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
Sewage Treatment Plant, Wenlan, Yunnan, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Aug 2021
92AQILowest AQI recorded on
25th Aug 2023
24AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 56 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: 3rd Aug - 4th Aug 2025
Sewage Treatment Plant, Wenlan, Yunnan, 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
11PM3rd Aug
59AQI
Avg. Lowest Time
6PM3rd Aug
42AQI
In the last 24 hours,
Sewage Treatment Plant's AQI reached its highest point of 59 at 11 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
Sewage Treatment Plant, Wenlan, Yunnan, 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 2025435 AMAQI
5th Jul 2025436 AMAQI
5th Jul 2025437 AMAQI
5th Jul 2025388 AMAQI
5th Jul 2025389 AMAQI
5th Jul 20253310 AMAQI
5th Jul 20253811 AMAQI
5th Jul 20253812 PMAQI
5th Jul 2025291 PMAQI
5th Jul 2025252 PMAQI
5th Jul 2025223 PMAQI
5th Jul 2025364 PMAQI
5th Jul 2025615 PMAQI
5th Jul 2025666 PMAQI
5th Jul 2025607 PMAQI
5th Jul 2025518 PMAQI
5th Jul 2025549 PMAQI
5th Jul 20255710 PMAQI
5th Jul 20255711 PMAQI
6th Jul 20255512 AMAQI
6th Jul 2025491 AMAQI
6th Jul 2025452 AMAQI
6th Jul 2025433 AMAQI
6th Jul 2025424 AMAQI
20°C16/23°C
6th Jul 2025425 AMAQI
6th Jul 2025426 AMAQI
6th Jul 2025427 AMAQI
6th Jul 2025518 AMAQI
6th Jul 2025559 AMAQI
6th Jul 20255410 AMAQI
6th Jul 20255011 AMAQI
6th Jul 20254412 PMAQI
6th Jul 2025401 PMAQI
6th Jul 2025442 PMAQI
6th Jul 2025463 PMAQI
6th Jul 2025344 PMAQI
6th Jul 2025365 PMAQI
6th Jul 2025346 PMAQI
6th Jul 2025387 PMAQI
6th Jul 2025488 PMAQI
6th Jul 2025529 PMAQI
6th Jul 20255510 PMAQI
6th Jul 20255811 PMAQI
7th Jul 20255712 AMAQI
7th Jul 2025461 AMAQI
7th Jul 2025462 AMAQI
7th Jul 2025473 AMAQI
7th Jul 2025474 AMAQI
21°C18/25°C
7th Jul 2025475 AMAQI
7th Jul 2025466 AMAQI
7th Jul 2025467 AMAQI
7th Jul 2025668 AMAQI
7th Jul 2025759 AMAQI
7th Jul 20256510 AMAQI
7th Jul 20255611 AMAQI
7th Jul 20255712 PMAQI
7th Jul 2025631 PMAQI
7th Jul 2025442 PMAQI
7th Jul 2025423 PMAQI
7th Jul 2025454 PMAQI
7th Jul 2025325 PMAQI
7th Jul 2025366 PMAQI
7th Jul 2025537 PMAQI
7th Jul 2025528 PMAQI
7th Jul 2025569 PMAQI
7th Jul 20255710 PMAQI
7th Jul 20255811 PMAQI
8th Jul 20255512 AMAQI
8th Jul 2025501 AMAQI
8th Jul 2025482 AMAQI
8th Jul 2025513 AMAQI
8th Jul 2025524 AMAQI
21°C18/23°C
8th Jul 2025525 AMAQI
8th Jul 2025526 AMAQI
8th Jul 2025517 AMAQI
8th Jul 2025528 AMAQI
8th Jul 2025529 AMAQI
8th Jul 20254610 AMAQI
8th Jul 20253611 AMAQI
8th Jul 20253812 PMAQI
8th Jul 2025391 PMAQI
8th Jul 2025402 PMAQI
8th Jul 2025393 PMAQI
8th Jul 2025384 PMAQI
8th Jul 2025405 PMAQI
8th Jul 2025436 PMAQI
8th Jul 2025417 PMAQI
8th Jul 2025428 PMAQI
8th Jul 2025529 PMAQI
8th Jul 20255210 PMAQI
8th Jul 20255111 PMAQI
9th Jul 20254812 AMAQI
9th Jul 2025521 AMAQI
9th Jul 2025522 AMAQI
9th Jul 2025523 AMAQI
9th Jul 2025504 AMAQI
21°C18/24°C
9th Jul 2025515 AMAQI
9th Jul 2025526 AMAQI
9th Jul 2025517 AMAQI
9th Jul 2025548 AMAQI
9th Jul 2025449 AMAQI
9th Jul 20253710 AMAQI
9th Jul 20253411 AMAQI
9th Jul 20254112 PMAQI
9th Jul 2025451 PMAQI
9th Jul 2025562 PMAQI
9th Jul 2025543 PMAQI
9th Jul 2025474 PMAQI
9th Jul 2025515 PMAQI
9th Jul 2025536 PMAQI
9th Jul 2025447 PMAQI
9th Jul 2025538 PMAQI
9th Jul 2025569 PMAQI
9th Jul 20255310 PMAQI
9th Jul 20255411 PMAQI
10th Jul 20255412 AMAQI
10th Jul 2025521 AMAQI
10th Jul 2025522 AMAQI
10th Jul 2025523 AMAQI
10th Jul 2025514 AMAQI
21°C18/23°C
10th Jul 2025515 AMAQI
10th Jul 2025516 AMAQI
10th Jul 2025527 AMAQI
10th Jul 2025368 AMAQI
10th Jul 2025389 AMAQI
10th Jul 20253510 AMAQI
10th Jul 20253511 AMAQI
10th Jul 20253312 PMAQI
10th Jul 2025361 PMAQI
10th Jul 2025562 PMAQI
10th Jul 2025573 PMAQI
10th Jul 2025634 PMAQI
10th Jul 2025595 PMAQI
10th Jul 2025626 PMAQI
10th Jul 2025567 PMAQI
10th Jul 2025548 PMAQI
10th Jul 2025549 PMAQI
10th Jul 20255410 PMAQI
10th Jul 20255311 PMAQI
11th Jul 20255312 AMAQI
11th Jul 2025531 AMAQI
11th Jul 2025522 AMAQI
11th Jul 2025523 AMAQI
11th Jul 2025504 AMAQI
19°C16/20°C
11th Jul 2025515 AMAQI
11th Jul 2025526 AMAQI
11th Jul 2025517 AMAQI
11th Jul 2025548 AMAQI
11th Jul 2025559 AMAQI
11th Jul 20255510 AMAQI
11th Jul 20255511 AMAQI
11th Jul 20256012 PMAQI
11th Jul 2025581 PMAQI
11th Jul 2025612 PMAQI
11th Jul 2025603 PMAQI
11th Jul 2025614 PMAQI
11th Jul 2025585 PMAQI
11th Jul 2025546 PMAQI
11th Jul 2025497 PMAQI
11th Jul 2025528 PMAQI
11th Jul 2025559 PMAQI
11th Jul 20255510 PMAQI
11th Jul 20255911 PMAQI
12th Jul 20255412 AMAQI
12th Jul 2025521 AMAQI
12th Jul 2025522 AMAQI
12th Jul 2025533 AMAQI
12th Jul 2025534 AMAQI
22°C20/25°C
12th Jul 2025535 AMAQI
12th Jul 2025536 AMAQI
12th Jul 2025537 AMAQI
12th Jul 2025568 AMAQI
12th Jul 2025639 AMAQI
12th Jul 20256610 AMAQI
12th Jul 20256311 AMAQI
12th Jul 20256912 PMAQI
12th Jul 2025671 PMAQI
12th Jul 2025682 PMAQI
12th Jul 2025683 PMAQI
12th Jul 2025654 PMAQI
12th Jul 2025665 PMAQI
12th Jul 2025666 PMAQI
12th Jul 2025537 PMAQI
12th Jul 2025568 PMAQI
12th Jul 2025559 PMAQI
12th Jul 20255810 PMAQI
12th Jul 20255611 PMAQI
13th Jul 20255612 AMAQI
13th Jul 2025521 AMAQI
13th Jul 2025532 AMAQI
13th Jul 2025543 AMAQI
13th Jul 2025564 AMAQI
21°C18/24°C
13th Jul 2025565 AMAQI
13th Jul 2025566 AMAQI
13th Jul 2025567 AMAQI
13th Jul 2025578 AMAQI
13th Jul 2025599 AMAQI
13th Jul 20255710 AMAQI
13th Jul 20256211 AMAQI
13th Jul 20256212 PMAQI
13th Jul 2025651 PMAQI
13th Jul 2025732 PMAQI
13th Jul 2025673 PMAQI
13th Jul 2025694 PMAQI
13th Jul 2025595 PMAQI
13th Jul 2025546 PMAQI
13th Jul 2025537 PMAQI
13th Jul 2025528 PMAQI
13th Jul 2025569 PMAQI
13th Jul 20255810 PMAQI
13th Jul 20255811 PMAQI
14th Jul 20255612 AMAQI
14th Jul 2025541 AMAQI
14th Jul 2025552 AMAQI
14th Jul 2025553 AMAQI
14th Jul 2025564 AMAQI
20°C17/22°C
14th Jul 2025565 AMAQI
14th Jul 2025566 AMAQI
14th Jul 2025577 AMAQI
14th Jul 2025548 AMAQI
14th Jul 2025619 AMAQI
14th Jul 20255510 AMAQI
14th Jul 20254711 AMAQI
14th Jul 20255012 PMAQI
14th Jul 2025451 PMAQI
14th Jul 2025492 PMAQI
14th Jul 2025553 PMAQI
14th Jul 2025564 PMAQI
14th Jul 2025585 PMAQI
14th Jul 2025566 PMAQI
14th Jul 2025507 PMAQI
14th Jul 2025548 PMAQI
14th Jul 2025569 PMAQI
14th Jul 20255610 PMAQI
14th Jul 20255611 PMAQI
15th Jul 20255612 AMAQI
15th Jul 2025541 AMAQI
15th Jul 2025552 AMAQI
15th Jul 2025553 AMAQI
15th Jul 2025554 AMAQI
20°C16/23°C
15th Jul 2025555 AMAQI
15th Jul 2025556 AMAQI
15th Jul 2025557 AMAQI
15th Jul 2025468 AMAQI
15th Jul 2025469 AMAQI
15th Jul 20254610 AMAQI
15th Jul 20253911 AMAQI
15th Jul 20253812 PMAQI
15th Jul 2025511 PMAQI
15th Jul 2025382 PMAQI
15th Jul 2025423 PMAQI
15th Jul 2025394 PMAQI
15th Jul 2025585 PMAQI
15th Jul 2025546 PMAQI
15th Jul 2025567 PMAQI
15th Jul 2025588 PMAQI
15th Jul 2025579 PMAQI
15th Jul 20255710 PMAQI
15th Jul 20255811 PMAQI
16th Jul 20255812 AMAQI
16th Jul 2025551 AMAQI
16th Jul 2025552 AMAQI
16th Jul 2025543 AMAQI
16th Jul 2025534 AMAQI
22°C19/26°C
16th Jul 2025535 AMAQI
16th Jul 2025546 AMAQI
16th Jul 2025547 AMAQI
16th Jul 2025638 AMAQI
16th Jul 2025599 AMAQI
16th Jul 20255910 AMAQI
16th Jul 20255111 AMAQI
16th Jul 20254612 PMAQI
16th Jul 2025381 PMAQI
16th Jul 2025472 PMAQI
16th Jul 2025543 PMAQI
16th Jul 2025464 PMAQI
16th Jul 2025345 PMAQI
16th Jul 2025336 PMAQI
16th Jul 2025347 PMAQI
16th Jul 2025478 PMAQI
16th Jul 2025549 PMAQI
16th Jul 20255710 PMAQI
16th Jul 20255611 PMAQI
17th Jul 20255312 AMAQI
17th Jul 2025541 AMAQI
17th Jul 2025542 AMAQI
17th Jul 2025543 AMAQI
17th Jul 2025554 AMAQI
22°C19/26°C
17th Jul 2025545 AMAQI
17th Jul 2025556 AMAQI
17th Jul 2025557 AMAQI
17th Jul 2025468 AMAQI
17th Jul 2025439 AMAQI
17th Jul 20253610 AMAQI
17th Jul 20252711 AMAQI
17th Jul 20253012 PMAQI
17th Jul 2025341 PMAQI
17th Jul 2025442 PMAQI
17th Jul 2025383 PMAQI
17th Jul 2025344 PMAQI
17th Jul 2025275 PMAQI
17th Jul 2025306 PMAQI
17th Jul 2025337 PMAQI
17th Jul 2025518 PMAQI
17th Jul 2025499 PMAQI
17th Jul 20255410 PMAQI
17th Jul 20255411 PMAQI
18th Jul 20255412 AMAQI
18th Jul 2025541 AMAQI
18th Jul 2025542 AMAQI
18th Jul 2025533 AMAQI
18th Jul 2025524 AMAQI
22°C19/26°C
18th Jul 2025525 AMAQI
18th Jul 2025536 AMAQI
18th Jul 2025537 AMAQI
18th Jul 2025548 AMAQI
18th Jul 2025529 AMAQI
18th Jul 20255510 AMAQI
18th Jul 20255611 AMAQI
18th Jul 20254912 PMAQI
18th Jul 2025521 PMAQI
18th Jul 2025562 PMAQI
18th Jul 2025573 PMAQI
18th Jul 2025564 PMAQI
18th Jul 2025545 PMAQI
18th Jul 2025506 PMAQI
18th Jul 2025467 PMAQI
18th Jul 2025538 PMAQI
18th Jul 2025529 PMAQI
18th Jul 20255510 PMAQI
18th Jul 20255411 PMAQI
19th Jul 20255612 AMAQI
19th Jul 2025541 AMAQI
19th Jul 2025542 AMAQI
19th Jul 2025543 AMAQI
19th Jul 2025544 AMAQI
22°C19/26°C
19th Jul 2025545 AMAQI
19th Jul 2025546 AMAQI
19th Jul 2025547 AMAQI
19th Jul 2025548 AMAQI
19th Jul 2025619 AMAQI
19th Jul 20255810 AMAQI
19th Jul 20256111 AMAQI
19th Jul 20255812 PMAQI
19th Jul 2025491 PMAQI
19th Jul 2025442 PMAQI
19th Jul 2025413 PMAQI
19th Jul 2025354 PMAQI
19th Jul 2025385 PMAQI
19th Jul 2025386 PMAQI
19th Jul 2025437 PMAQI
19th Jul 2025528 PMAQI
19th Jul 2025569 PMAQI
19th Jul 20255610 PMAQI
19th Jul 20255611 PMAQI
20th Jul 20255612 AMAQI
20th Jul 2025551 AMAQI
20th Jul 2025542 AMAQI
20th Jul 2025543 AMAQI
20th Jul 2025544 AMAQI
23°C19/27°C
20th Jul 2025545 AMAQI
20th Jul 2025546 AMAQI
20th Jul 2025547 AMAQI
20th Jul 2025608 AMAQI
20th Jul 2025689 AMAQI
20th Jul 20256610 AMAQI
20th Jul 20256311 AMAQI
20th Jul 20256012 PMAQI
20th Jul 2025601 PMAQI
20th Jul 2025512 PMAQI
20th Jul 2025383 PMAQI
20th Jul 2025294 PMAQI
20th Jul 2025285 PMAQI
20th Jul 2025346 PMAQI
20th Jul 2025507 PMAQI
20th Jul 2025538 PMAQI
20th Jul 2025599 PMAQI
20th Jul 20255810 PMAQI
20th Jul 20255911 PMAQI
21st Jul 20255712 AMAQI
21st Jul 2025551 AMAQI
21st Jul 2025552 AMAQI
21st Jul 2025553 AMAQI
21st Jul 2025564 AMAQI
21°C19/26°C
21st Jul 2025565 AMAQI
21st Jul 2025566 AMAQI
21st Jul 2025567 AMAQI
21st Jul 2025588 AMAQI
21st Jul 2025589 AMAQI
21st Jul 20256210 AMAQI
21st Jul 20255811 AMAQI
21st Jul 20256312 PMAQI
21st Jul 2025601 PMAQI
21st Jul 2025652 PMAQI
21st Jul 2025553 PMAQI
21st Jul 2025524 PMAQI
21st Jul 2025505 PMAQI
21st Jul 2025426 PMAQI
21st Jul 2025467 PMAQI
21st Jul 2025538 PMAQI
21st Jul 2025569 PMAQI
21st Jul 20256110 PMAQI
21st Jul 20256011 PMAQI
22nd Jul 20256112 AMAQI
22nd Jul 2025561 AMAQI
22nd Jul 2025562 AMAQI
22nd Jul 2025563 AMAQI
22nd Jul 2025574 AMAQI
21°C17/23°C
22nd Jul 2025575 AMAQI
22nd Jul 2025586 AMAQI
22nd Jul 2025577 AMAQI
22nd Jul 2025428 AMAQI
22nd Jul 2025309 AMAQI
22nd Jul 20252810 AMAQI
22nd Jul 20254211 AMAQI
22nd Jul 20253912 PMAQI
22nd Jul 2025331 PMAQI
22nd Jul 2025302 PMAQI
22nd Jul 2025333 PMAQI
22nd Jul 2025274 PMAQI
22nd Jul 2025255 PMAQI
22nd Jul 2025366 PMAQI
22nd Jul 2025477 PMAQI
22nd Jul 2025508 PMAQI
22nd Jul 2025529 PMAQI
22nd Jul 20255510 PMAQI
22nd Jul 20255711 PMAQI
23rd Jul 20255412 AMAQI
23rd Jul 2025561 AMAQI
23rd Jul 2025562 AMAQI
23rd Jul 2025553 AMAQI
23rd Jul 2025544 AMAQI
21°C19/23°C
23rd Jul 2025545 AMAQI
23rd Jul 2025546 AMAQI
23rd Jul 2025547 AMAQI
23rd Jul 2025558 AMAQI
23rd Jul 2025579 AMAQI
23rd Jul 20256410 AMAQI
23rd Jul 20256211 AMAQI
23rd Jul 20256612 PMAQI
23rd Jul 2025591 PMAQI
23rd Jul 2025582 PMAQI
23rd Jul 2025553 PMAQI
23rd Jul 2025434 PMAQI
23rd Jul 2025535 PMAQI
23rd Jul 2025546 PMAQI
23rd Jul 2025527 PMAQI
23rd Jul 2025528 PMAQI
23rd Jul 2025529 PMAQI
23rd Jul 20256110 PMAQI
23rd Jul 20255711 PMAQI
24th Jul 20255312 AMAQI
24th Jul 2025541 AMAQI
24th Jul 2025542 AMAQI
24th Jul 2025563 AMAQI
24th Jul 2025564 AMAQI
21°C19/24°C
24th Jul 2025565 AMAQI
24th Jul 2025566 AMAQI
24th Jul 2025567 AMAQI
24th Jul 2025448 AMAQI
24th Jul 2025449 AMAQI
24th Jul 20255310 AMAQI
24th Jul 20253711 AMAQI
24th Jul 20253212 PMAQI
24th Jul 2025301 PMAQI
24th Jul 2025332 PMAQI
24th Jul 2025283 PMAQI
24th Jul 2025304 PMAQI
24th Jul 2025295 PMAQI
24th Jul 2025386 PMAQI
24th Jul 2025557 PMAQI
24th Jul 2025568 PMAQI
24th Jul 2025569 PMAQI
24th Jul 20255810 PMAQI
24th Jul 20255511 PMAQI
25th Jul 20255312 AMAQI
25th Jul 2025541 AMAQI
25th Jul 2025552 AMAQI
25th Jul 2025543 AMAQI
25th Jul 2025534 AMAQI
21°C18/24°C
25th Jul 2025525 AMAQI
25th Jul 2025526 AMAQI
25th Jul 2025537 AMAQI
25th Jul 2025508 AMAQI
25th Jul 2025459 AMAQI
25th Jul 20254010 AMAQI
25th Jul 20254811 AMAQI
25th Jul 20255412 PMAQI
25th Jul 2025481 PMAQI
25th Jul 2025362 PMAQI
25th Jul 2025413 PMAQI
25th Jul 2025434 PMAQI
25th Jul 2025395 PMAQI
25th Jul 2025306 PMAQI
25th Jul 2025407 PMAQI
25th Jul 2025518 PMAQI
25th Jul 2025539 PMAQI
25th Jul 20255310 PMAQI
25th Jul 20255411 PMAQI
26th Jul 20255312 AMAQI
26th Jul 2025531 AMAQI
26th Jul 2025532 AMAQI
26th Jul 2025533 AMAQI
26th Jul 2025524 AMAQI
20°C16/22°C
26th Jul 2025525 AMAQI
26th Jul 2025526 AMAQI
26th Jul 2025527 AMAQI
26th Jul 2025408 AMAQI
26th Jul 2025379 AMAQI
26th Jul 20253410 AMAQI
26th Jul 20254611 AMAQI
26th Jul 20254312 PMAQI
26th Jul 2025321 PMAQI
26th Jul 2025242 PMAQI
26th Jul 2025303 PMAQI
26th Jul 2025344 PMAQI
26th Jul 2025305 PMAQI
26th Jul 2025406 PMAQI
26th Jul 2025517 PMAQI
26th Jul 2025558 PMAQI
26th Jul 2025569 PMAQI
26th Jul 20255610 PMAQI
26th Jul 20255611 PMAQI
27th Jul 20255712 AMAQI
27th Jul 2025561 AMAQI
27th Jul 2025522 AMAQI
27th Jul 2025523 AMAQI
27th Jul 2025514 AMAQI
20°C17/22°C
27th Jul 2025515 AMAQI
27th Jul 2025516 AMAQI
27th Jul 2025517 AMAQI
27th Jul 2025528 AMAQI
27th Jul 2025529 AMAQI
27th Jul 20255510 AMAQI
27th Jul 20255811 AMAQI
27th Jul 20256012 PMAQI
27th Jul 2025641 PMAQI
27th Jul 2025592 PMAQI
27th Jul 2025563 PMAQI
27th Jul 2025544 PMAQI
27th Jul 2025485 PMAQI
27th Jul 2025556 PMAQI
27th Jul 2025577 PMAQI
27th Jul 2025588 PMAQI
27th Jul 2025589 PMAQI
27th Jul 20255810 PMAQI
27th Jul 20256211 PMAQI
28th Jul 20255912 AMAQI
28th Jul 2025531 AMAQI
28th Jul 2025522 AMAQI
28th Jul 2025533 AMAQI
28th Jul 2025544 AMAQI
19°C16/21°C
28th Jul 2025545 AMAQI
28th Jul 2025536 AMAQI
28th Jul 2025547 AMAQI
28th Jul 2025668 AMAQI
28th Jul 2025719 AMAQI
28th Jul 20256610 AMAQI
28th Jul 20256211 AMAQI
28th Jul 20257012 PMAQI
28th Jul 2025781 PMAQI
28th Jul 2025782 PMAQI
28th Jul 2025813 PMAQI
28th Jul 2025804 PMAQI
28th Jul 2025645 PMAQI
28th Jul 2025706 PMAQI
28th Jul 2025607 PMAQI
28th Jul 2025588 PMAQI
28th Jul 2025609 PMAQI
28th Jul 20256410 PMAQI
28th Jul 20256311 PMAQI
29th Jul 20256312 AMAQI
29th Jul 2025581 AMAQI
29th Jul 2025542 AMAQI
29th Jul 2025563 AMAQI
29th Jul 2025584 AMAQI
21°C18/27°C
29th Jul 2025585 AMAQI
29th Jul 2025586 AMAQI
29th Jul 2025587 AMAQI
29th Jul 2025618 AMAQI
29th Jul 2025649 AMAQI
29th Jul 20256510 AMAQI
29th Jul 20256511 AMAQI
29th Jul 20256512 PMAQI
29th Jul 2025651 PMAQI
29th Jul 2025662 PMAQI
29th Jul 2025653 PMAQI
29th Jul 2025674 PMAQI
29th Jul 2025645 PMAQI
29th Jul 2025686 PMAQI
29th Jul 2025677 PMAQI
29th Jul 2025638 PMAQI
29th Jul 2025649 PMAQI
29th Jul 20256710 PMAQI
29th Jul 20256811 PMAQI
30th Jul 20256712 AMAQI
30th Jul 2025611 AMAQI
30th Jul 2025572 AMAQI
30th Jul 2025583 AMAQI
30th Jul 2025594 AMAQI
23°C19/28°C
30th Jul 2025595 AMAQI
30th Jul 2025596 AMAQI
30th Jul 2025587 AMAQI
30th Jul 2025718 AMAQI
30th Jul 2025739 AMAQI
30th Jul 20257410 AMAQI
30th Jul 20258111 AMAQI
30th Jul 20258012 PMAQI
30th Jul 2025761 PMAQI
30th Jul 2025732 PMAQI
30th Jul 2025733 PMAQI
30th Jul 2025764 PMAQI
30th Jul 2025725 PMAQI
30th Jul 2025626 PMAQI
30th Jul 2025677 PMAQI
30th Jul 2025648 PMAQI
30th Jul 2025649 PMAQI
30th Jul 20256610 PMAQI
30th Jul 20256711 PMAQI
31st Jul 20256712 AMAQI
31st Jul 2025591 AMAQI
31st Jul 2025592 AMAQI
31st Jul 2025593 AMAQI
31st Jul 2025594 AMAQI
23°C20/28°C
31st Jul 2025595 AMAQI
31st Jul 2025596 AMAQI
31st Jul 2025597 AMAQI
31st Jul 2025598 AMAQI
31st Jul 2025599 AMAQI
31st Jul 20255710 AMAQI
31st Jul 20256211 AMAQI
31st Jul 20256012 PMAQI
31st Jul 2025581 PMAQI
31st Jul 2025542 PMAQI
31st Jul 2025563 PMAQI
31st Jul 2025534 PMAQI
31st Jul 2025575 PMAQI
31st Jul 2025616 PMAQI
31st Jul 2025577 PMAQI
31st Jul 2025548 PMAQI
31st Jul 2025549 PMAQI
31st Jul 20255510 PMAQI
31st Jul 20255511 PMAQI
1st Aug 20255512 AMAQI
1st Aug 2025571 AMAQI
1st Aug 2025552 AMAQI
1st Aug 2025563 AMAQI
1st Aug 2025564 AMAQI
21°C18/25°C
1st Aug 2025565 AMAQI
1st Aug 2025576 AMAQI
1st Aug 2025557 AMAQI
1st Aug 2025498 AMAQI
1st Aug 2025569 AMAQI
1st Aug 20255610 AMAQI
1st Aug 20255511 AMAQI
1st Aug 20255712 PMAQI
1st Aug 2025601 PMAQI
1st Aug 2025582 PMAQI
1st Aug 2025543 PMAQI
1st Aug 2025584 PMAQI
1st Aug 2025495 PMAQI
1st Aug 2025546 PMAQI
1st Aug 2025497 PMAQI
1st Aug 2025568 PMAQI
1st Aug 2025579 PMAQI
1st Aug 20255710 PMAQI
1st Aug 20255311 PMAQI
2nd Aug 20255612 AMAQI
2nd Aug 2025551 AMAQI
2nd Aug 2025552 AMAQI
2nd Aug 2025563 AMAQI
2nd Aug 2025554 AMAQI
21°C17/26°C
2nd Aug 2025555 AMAQI
2nd Aug 2025566 AMAQI
2nd Aug 2025557 AMAQI
2nd Aug 2025588 AMAQI
2nd Aug 2025569 AMAQI
2nd Aug 20255610 AMAQI
2nd Aug 20255311 AMAQI
2nd Aug 20257412 PMAQI
2nd Aug 2025561 PMAQI
2nd Aug 2025552 PMAQI
2nd Aug 2025643 PMAQI
2nd Aug 2025564 PMAQI
2nd Aug 2025545 PMAQI
2nd Aug 2025516 PMAQI
2nd Aug 2025537 PMAQI
2nd Aug 2025548 PMAQI
2nd Aug 2025579 PMAQI
2nd Aug 20255610 PMAQI
2nd Aug 20255611 PMAQI
3rd Aug 20255612 AMAQI
3rd Aug 2025551 AMAQI
3rd Aug 2025542 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025564 AMAQI
20°C17/23°C
3rd Aug 2025565 AMAQI
3rd Aug 2025566 AMAQI
3rd Aug 2025567 AMAQI
3rd Aug 2025558 AMAQI
3rd Aug 2025529 AMAQI
3rd Aug 20254710 AMAQI
3rd Aug 20254511 AMAQI
3rd Aug 20254612 PMAQI
3rd Aug 2025481 PMAQI
3rd Aug 2025552 PMAQI
3rd Aug 2025503 PMAQI
3rd Aug 2025424 PMAQI
3rd Aug 2025455 PMAQI
3rd Aug 2025426 PMAQI
3rd Aug 2025527 PMAQI
3rd Aug 2025548 PMAQI
3rd Aug 2025569 PMAQI
3rd Aug 20255810 PMAQI
3rd Aug 20255911 PMAQI
4th Aug 20255712 AMAQI
4th Aug 2025551 AMAQI
--°C/°C
5 AM
11 AM
6 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 6 PM
52AQI
14 hours / Day
420 hours / Month
Avg. Lowest Time
5 AM - 6 PM
52AQI
14 hours / Day
420 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 6 PM (Avg. 52), while the lowest AQI was between 5 AM to 6 PM (Avg. 52).
Night time
Avg. Highest Time
8 PM - 11 PM
56AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM
50AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 11 PM (Avg. 56), while the lowest AQI was between 7 PM to 7 PM (Avg. 50).
2025 Days Vs Air Quality
Sewage Treatment Plant, Wenlan, Yunnan, China
2025
18%
39
58%
124
23%
50
0.4%
1
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
39 DaysModerate
124 DaysPoor
50 DaysUnhealthy
1 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 18%
Health Risk Level:
Extreme
In 2025, 18% 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
Sewage Treatment Plant, Wenlan, Yunnan, 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
95AQI
95AQI
2nd January 2025
98AQI
98AQI
3rd January 2025
114AQI
114AQI
4th January 2025
127AQI
127AQI
5th January 2025
115AQI
115AQI
6th January 2025
142AQI
142AQI
7th January 2025
140AQI
140AQI
8th January 2025
147AQI
147AQI
9th January 2025
134AQI
134AQI
10th January 2025
112AQI
112AQI
11th January 2025
105AQI
105AQI
12th January 2025
114AQI
114AQI
13th January 2025
105AQI
105AQI
14th January 2025
114AQI
114AQI
15th January 2025
131AQI
131AQI
16th January 2025
129AQI
129AQI
17th January 2025
140AQI
140AQI
18th January 2025
145AQI
145AQI
19th January 2025
112AQI
112AQI
20th January 2025
122AQI
122AQI
21st January 2025
140AQI
140AQI
22nd January 2025
140AQI
140AQI
23rd January 2025
112AQI
112AQI
24th January 2025
103AQI
103AQI
25th January 2025
96AQI
96AQI
26th January 2025
80AQI
80AQI
27th January 2025
93AQI
93AQI
28th January 2025
94AQI
94AQI
29th January 2025
99AQI
99AQI
30th January 2025
94AQI
94AQI
31st January 2025
88AQI
88AQI
1st February 2025
96AQI
96AQI
2nd February 2025
104AQI
104AQI
3rd February 2025
88AQI
88AQI
4th February 2025
103AQI
103AQI
5th February 2025
99AQI
99AQI
6th February 2025
104AQI
104AQI
7th February 2025
94AQI
94AQI
8th February 2025
79AQI
79AQI
9th February 2025
70AQI
70AQI
10th February 2025
77AQI
77AQI
11th February 2025
84AQI
84AQI
12th February 2025
100AQI
100AQI
13th February 2025
80AQI
80AQI
14th February 2025
68AQI
68AQI
15th February 2025
60AQI
60AQI
16th February 2025
70AQI
70AQI
17th February 2025
63AQI
63AQI
18th February 2025
55AQI
55AQI
19th February 2025
58AQI
58AQI
20th February 2025
56AQI
56AQI
21st February 2025
53AQI
53AQI
22nd February 2025
53AQI
53AQI
23rd February 2025
50AQI
50AQI
24th February 2025
39AQI
39AQI
25th February 2025
47AQI
47AQI
26th February 2025
42AQI
42AQI
27th February 2025
50AQI
50AQI
28th February 2025
57AQI
57AQI
1st March 2025
57AQI
57AQI
2nd March 2025
64AQI
64AQI
3rd March 2025
73AQI
73AQI
4th March 2025
80AQI
80AQI
5th March 2025
87AQI
87AQI
6th March 2025
86AQI
86AQI
7th March 2025
70AQI
70AQI
8th March 2025
67AQI
67AQI
9th March 2025
65AQI
65AQI
10th March 2025
61AQI
61AQI
11th March 2025
73AQI
73AQI
12th March 2025
64AQI
64AQI
13th March 2025
74AQI
74AQI
14th March 2025
107AQI
107AQI
15th March 2025
115AQI
115AQI
16th March 2025
88AQI
88AQI
17th March 2025
104AQI
104AQI
18th March 2025
78AQI
78AQI
19th March 2025
98AQI
98AQI
20th March 2025
102AQI
102AQI
21st March 2025
107AQI
107AQI
22nd March 2025
131AQI
131AQI
23rd March 2025
127AQI
127AQI
24th March 2025
107AQI
107AQI
25th March 2025
123AQI
123AQI
26th March 2025
115AQI
115AQI
27th March 2025
137AQI
137AQI
28th March 2025
155AQI
155AQI
29th March 2025
143AQI
143AQI
30th March 2025
100AQI
100AQI
31st March 2025
105AQI
105AQI
1st April 2025
87AQI
87AQI
2nd April 2025
100AQI
100AQI
3rd April 2025
119AQI
119AQI
4th April 2025
144AQI
144AQI
5th April 2025
141AQI
141AQI
6th April 2025
103AQI
103AQI
7th April 2025
112AQI
112AQI
8th April 2025
121AQI
121AQI
9th April 2025
118AQI
118AQI
10th April 2025
127AQI
127AQI
11th April 2025
115AQI
115AQI
12th April 2025
107AQI
107AQI
13th April 2025
108AQI
108AQI
14th April 2025
93AQI
93AQI
15th April 2025
99AQI
99AQI
16th April 2025
74AQI
74AQI
17th April 2025
71AQI
71AQI
18th April 2025
74AQI
74AQI
19th April 2025
77AQI
77AQI
20th April 2025
82AQI
82AQI
21st April 2025
70AQI
70AQI
22nd April 2025
73AQI
73AQI
23rd April 2025
83AQI
83AQI
24th April 2025
88AQI
88AQI
25th April 2025
81AQI
81AQI
26th April 2025
94AQI
94AQI
27th April 2025
106AQI
106AQI
28th April 2025
99AQI
99AQI
29th April 2025
80AQI
80AQI
30th April 2025
82AQI
82AQI
1st May 2025
85AQI
85AQI
2nd May 2025
73AQI
73AQI
3rd May 2025
64AQI
64AQI
4th May 2025
61AQI
61AQI
5th May 2025
63AQI
63AQI
6th May 2025
63AQI
63AQI
7th May 2025
67AQI
67AQI
8th May 2025
73AQI
73AQI
9th May 2025
82AQI
82AQI
10th May 2025
71AQI
71AQI
11th May 2025
64AQI
64AQI
12th May 2025
63AQI
63AQI
13th May 2025
65AQI
65AQI
14th May 2025
70AQI
70AQI
15th May 2025
55AQI
55AQI
16th May 2025
59AQI
59AQI
17th May 2025
54AQI
54AQI
18th May 2025
57AQI
57AQI
19th May 2025
55AQI
55AQI
20th May 2025
53AQI
53AQI
21st May 2025
57AQI
57AQI
22nd May 2025
56AQI
56AQI
23rd May 2025
71AQI
71AQI
24th May 2025
66AQI
66AQI
25th May 2025
67AQI
67AQI
26th May 2025
54AQI
54AQI
27th May 2025
52AQI
52AQI
28th May 2025
45AQI
45AQI
29th May 2025
48AQI
48AQI
30th May 2025
40AQI
40AQI
31st May 2025
40AQI
40AQI
1st June 2025
42AQI
42AQI
2nd June 2025
38AQI
38AQI
3rd June 2025
55AQI
55AQI
4th June 2025
59AQI
59AQI
5th June 2025
51AQI
51AQI
6th June 2025
61AQI
61AQI
7th June 2025
60AQI
60AQI
8th June 2025
57AQI
57AQI
9th June 2025
60AQI
60AQI
10th June 2025
69AQI
69AQI
11th June 2025
74AQI
74AQI
12th June 2025
67AQI
67AQI
13th June 2025
64AQI
64AQI
14th June 2025
63AQI
63AQI
15th June 2025
66AQI
66AQI
16th June 2025
51AQI
51AQI
17th June 2025
47AQI
47AQI
18th June 2025
46AQI
46AQI
19th June 2025
46AQI
46AQI
20th June 2025
50AQI
50AQI
21st June 2025
48AQI
48AQI
22nd June 2025
43AQI
43AQI
23rd June 2025
45AQI
45AQI
24th June 2025
42AQI
42AQI
25th June 2025
44AQI
44AQI
26th June 2025
44AQI
44AQI
27th June 2025
44AQI
44AQI
28th June 2025
42AQI
42AQI
29th June 2025
39AQI
39AQI
30th June 2025
38AQI
38AQI
1st July 2025
41AQI
41AQI
2nd July 2025
38AQI
38AQI
3rd July 2025
43AQI
43AQI
4th July 2025
43AQI
43AQI
5th July 2025
46AQI
46AQI
6th July 2025
46AQI
46AQI
7th July 2025
51AQI
51AQI
8th July 2025
47AQI
47AQI
9th July 2025
50AQI
50AQI
10th July 2025
51AQI
51AQI
11th July 2025
54AQI
54AQI
12th July 2025
59AQI
59AQI
13th July 2025
58AQI
58AQI
14th July 2025
55AQI
55AQI
15th July 2025
52AQI
52AQI
16th July 2025
50AQI
50AQI
17th July 2025
45AQI
45AQI
18th July 2025
53AQI
53AQI
19th July 2025
51AQI
51AQI
20th July 2025
53AQI
53AQI
21st July 2025
56AQI
56AQI
22nd July 2025
46AQI
46AQI
23rd July 2025
56AQI
56AQI
24th July 2025
48AQI
48AQI
25th July 2025
48AQI
48AQI
26th July 2025
46AQI
46AQI
27th July 2025
55AQI
55AQI
28th July 2025
62AQI
62AQI
29th July 2025
63AQI
63AQI
30th July 2025
66AQI
66AQI
31st July 2025
58AQI
58AQI
1st August 2025
55AQI
55AQI
2nd August 2025
56AQI
56AQI
115AQI
71AQI
96AQI
98AQI
61AQI
52AQI
51AQI
56AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202578AQI
9
22
5
20
3
17
13
1
18
12
4
27
16
14
14
17
2
39
124
50
1
Highest AQI recorded in
January115AQI
Lowest AQI recorded in
July51AQI
202473AQI
10
5
1
8
14
1
3
22
5
5
23
3
18
12
25
6
16
15
7
23
5
25
1
1
26
3
19
12
88
165
55
6
Highest AQI recorded in
April125AQI
Lowest AQI recorded in
February29AQI
202386AQI
19
10
2
12
15
1
9
18
4
4
12
14
27
4
5
22
3
13
18
9
22
7
23
2
29
5
11
10
2
19
10
43
215
82
21
Highest AQI recorded in
April138AQI
Lowest AQI recorded in
August56AQI
202273AQI
1
29
1
17
4
1
9
21
11
6
15
15
1
24
6
15
6
1
14
13
1
3
18
10
1
23
6
1
16
11
3
76
163
61
3
Highest AQI recorded in
March106AQI
Lowest AQI recorded in
August37AQI
202180AQI
2
10
19
23
5
3
21
7
2
15
10
3
7
24
16
14
15
16
7
14
5
25
4
26
1
4
19
7
16
15
62
205
78
10
Highest AQI recorded in
March134AQI
Lowest AQI recorded in
June52AQI
202069AQI
1
4
8
1
8
8
4
17
1
20
10
20
11
26
5
18
10
2
9
20
2
3
20
7
1
23
7
98
125
31
12
Highest AQI recorded in
March149AQI
Lowest AQI recorded in
August40AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
86AQILeast Polluted Year Recorded
2020(Avg.)
69AQISewage Treatment Plant's annual 2025 AQI (78) shows an average percentage change of 2.3% (worsened AQI) compared to previous years: 2020 (69), 2021 (80), 2022 (73), 2023 (86), 2024 (73).
