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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

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

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
31st Aug 2023
86AQI
Lowest AQI recorded on
25th Aug 2023
24AQI

Same Day Analysis (18th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 44 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

Day & Night AQI Trend: 17th Aug - 18th Aug 2026

Sewage Treatment Plant, Wenlan, Yunnan, China

AQI
Day
Night
.

6 AM17th Aug 2026

7 PM

5 AM18th Aug 2026

Day time
Avg. Highest Time
7AM17th Aug

44AQI

Avg. Lowest Time
7PM17th Aug

23AQI

Night time
Avg. Highest Time
5AM18th Aug

42AQI

Avg. Lowest Time
12AM18th Aug

25AQI

In the last 24 hours,

Sewage Treatment Plant's AQI reached its highest point of 44 at 7 AM during the Day, while the lowest point, 23, was recorded at 7 PM during the Day between 17th Aug and 18th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Sewage Treatment Plant, Wenlan, Yunnan, China

JulAug
20th - 21st21st - 22nd22nd - 23rd23rd - 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
Day
Night
20th Jul 2026666 AMAQI
20th Jul 2026637 AMAQI
20th Jul 2026628 AMAQI
20th Jul 2026599 AMAQI
20th Jul 20265910 AMAQI
20th Jul 20266611 AMAQI
20th Jul 20268612 PMAQI
20th Jul 2026941 PMAQI
20th Jul 2026872 PMAQI
20th Jul 2026953 PMAQI
20th Jul 2026874 PMAQI
20th Jul 2026605 PMAQI
20th Jul 2026426 PMAQI
20th Jul 2026507 PMAQI
20th Jul 2026508 PMAQI
20th Jul 2026529 PMAQI
20th Jul 20263810 PMAQI
20th Jul 20265611 PMAQI
21st Jul 20266212 AMAQI
21st Jul 2026651 AMAQI
21st Jul 2026652 AMAQI
21st Jul 2026653 AMAQI
21st Jul 2026684 AMAQI
21st Jul 2026645 AMAQI

20°C15/25°C

21st Jul 2026546 AMAQI
21st Jul 2026587 AMAQI
21st Jul 2026498 AMAQI
21st Jul 2026429 AMAQI
21st Jul 20265110 AMAQI
21st Jul 20267112 PMAQI
21st Jul 2026681 PMAQI
21st Jul 2026742 PMAQI
21st Jul 2026763 PMAQI
21st Jul 2026584 PMAQI
21st Jul 2026535 PMAQI
21st Jul 2026846 PMAQI
21st Jul 2026607 PMAQI
21st Jul 2026598 PMAQI
21st Jul 2026289 PMAQI
21st Jul 20262510 PMAQI
21st Jul 20262511 PMAQI
22nd Jul 20263212 AMAQI
22nd Jul 2026341 AMAQI
22nd Jul 2026322 AMAQI
22nd Jul 2026463 AMAQI
22nd Jul 2026984 AMAQI
22nd Jul 2026955 AMAQI

20°C15/28°C

22nd Jul 2026826 AMAQI
22nd Jul 2026767 AMAQI
22nd Jul 2026658 AMAQI
22nd Jul 2026529 AMAQI
22nd Jul 20265110 AMAQI
22nd Jul 20265511 AMAQI
22nd Jul 20265012 PMAQI
22nd Jul 2026571 PMAQI
22nd Jul 2026482 PMAQI
22nd Jul 2026643 PMAQI
22nd Jul 2026534 PMAQI
22nd Jul 2026405 PMAQI
22nd Jul 2026496 PMAQI
22nd Jul 2026427 PMAQI
22nd Jul 2026508 PMAQI
22nd Jul 2026689 PMAQI
22nd Jul 20265710 PMAQI
22nd Jul 20265711 PMAQI
23rd Jul 20265712 AMAQI
23rd Jul 2026521 AMAQI
23rd Jul 2026582 AMAQI
23rd Jul 2026623 AMAQI
23rd Jul 2026654 AMAQI
23rd Jul 2026675 AMAQI

21°C15/27°C

23rd Jul 2026736 AMAQI
23rd Jul 2026717 AMAQI
23rd Jul 2026828 AMAQI
23rd Jul 2026679 AMAQI
23rd Jul 20265210 AMAQI
23rd Jul 20262911 AMAQI
23rd Jul 20262912 PMAQI
23rd Jul 2026311 PMAQI
23rd Jul 2026362 PMAQI
23rd Jul 2026293 PMAQI
23rd Jul 2026254 PMAQI
23rd Jul 2026215 PMAQI
23rd Jul 2026296 PMAQI
23rd Jul 2026317 PMAQI
23rd Jul 2026298 PMAQI
23rd Jul 2026549 PMAQI
23rd Jul 20265210 PMAQI
23rd Jul 20264611 PMAQI
24th Jul 20264612 AMAQI
24th Jul 2026461 AMAQI
24th Jul 2026382 AMAQI
24th Jul 2026293 AMAQI
24th Jul 2026294 AMAQI
24th Jul 2026405 AMAQI

21°C15/27°C

24th Jul 2026316 AMAQI
24th Jul 2026297 AMAQI
24th Jul 2026338 AMAQI
24th Jul 2026259 AMAQI
24th Jul 20262510 AMAQI
24th Jul 20262911 AMAQI
24th Jul 20262512 PMAQI
24th Jul 2026311 PMAQI
24th Jul 2026312 PMAQI
24th Jul 2026313 PMAQI
24th Jul 2026314 PMAQI
24th Jul 2026255 PMAQI
24th Jul 2026256 PMAQI
24th Jul 2026297 PMAQI
24th Jul 2026298 PMAQI
24th Jul 2026299 PMAQI
24th Jul 20264610 PMAQI
24th Jul 20264411 PMAQI
25th Jul 20262712 AMAQI
25th Jul 2026291 AMAQI
25th Jul 2026292 AMAQI
25th Jul 2026313 AMAQI
25th Jul 2026404 AMAQI
25th Jul 2026255 AMAQI

19°C16/22°C

25th Jul 2026276 AMAQI
25th Jul 2026277 AMAQI
25th Jul 2026218 AMAQI
25th Jul 2026299 AMAQI
25th Jul 20264210 AMAQI
25th Jul 20264611 AMAQI
25th Jul 20262112 PMAQI
25th Jul 2026211 PMAQI
25th Jul 2026272 PMAQI
25th Jul 2026273 PMAQI
25th Jul 2026254 PMAQI
25th Jul 2026255 PMAQI
25th Jul 2026236 PMAQI
25th Jul 2026227 PMAQI
25th Jul 2026218 PMAQI
25th Jul 2026239 PMAQI
25th Jul 20262710 PMAQI
25th Jul 20262911 PMAQI
26th Jul 20262912 AMAQI
26th Jul 2026211 AMAQI
26th Jul 2026292 AMAQI
26th Jul 2026293 AMAQI
26th Jul 2026274 AMAQI
26th Jul 2026275 AMAQI

19°C16/23°C

26th Jul 2026446 AMAQI
26th Jul 2026447 AMAQI
26th Jul 2026298 AMAQI
26th Jul 2026369 AMAQI
26th Jul 20264610 AMAQI
26th Jul 20263111 AMAQI
26th Jul 20267212 PMAQI
26th Jul 2026621 PMAQI
26th Jul 2026292 PMAQI
26th Jul 2026273 PMAQI
26th Jul 2026254 PMAQI
26th Jul 2026255 PMAQI
26th Jul 2026256 PMAQI
26th Jul 2026277 PMAQI
26th Jul 2026218 PMAQI
26th Jul 2026299 PMAQI
26th Jul 20262910 PMAQI
26th Jul 20263411 PMAQI
27th Jul 20263612 AMAQI
27th Jul 2026291 AMAQI
27th Jul 2026442 AMAQI
27th Jul 2026363 AMAQI
27th Jul 2026254 AMAQI
27th Jul 2026235 AMAQI

20°C16/25°C

27th Jul 2026296 AMAQI
27th Jul 2026297 AMAQI
27th Jul 2026278 AMAQI
27th Jul 2026319 AMAQI
27th Jul 20265110 AMAQI
27th Jul 20265411 AMAQI
27th Jul 20264612 PMAQI
27th Jul 2026401 PMAQI
27th Jul 2026402 PMAQI
27th Jul 2026253 PMAQI
27th Jul 2026274 PMAQI
27th Jul 2026215 PMAQI
27th Jul 2026256 PMAQI
27th Jul 2026297 PMAQI
27th Jul 2026278 PMAQI
27th Jul 2026259 PMAQI
27th Jul 20262510 PMAQI
27th Jul 20262111 PMAQI
28th Jul 20262112 AMAQI
28th Jul 2026231 AMAQI
28th Jul 2026272 AMAQI
28th Jul 2026273 AMAQI
28th Jul 2026294 AMAQI
28th Jul 2026275 AMAQI

21°C17/25°C

28th Jul 2026216 AMAQI
28th Jul 2026237 AMAQI
28th Jul 2026258 AMAQI
28th Jul 2026279 AMAQI
28th Jul 20262710 AMAQI
28th Jul 20262911 AMAQI
28th Jul 20262912 PMAQI
28th Jul 2026211 PMAQI
28th Jul 2026292 PMAQI
28th Jul 2026293 PMAQI
28th Jul 2026234 PMAQI
28th Jul 2026235 PMAQI
28th Jul 2026276 PMAQI
28th Jul 2026317 PMAQI
28th Jul 2026298 PMAQI
28th Jul 2026279 PMAQI
28th Jul 20262310 PMAQI
28th Jul 20262311 PMAQI
29th Jul 20262112 AMAQI
29th Jul 2026251 AMAQI
29th Jul 2026342 AMAQI
29th Jul 2026343 AMAQI
29th Jul 2026274 AMAQI
29th Jul 2026255 AMAQI

20°C16/23°C

29th Jul 2026236 AMAQI
29th Jul 2026257 AMAQI
29th Jul 2026258 AMAQI
29th Jul 2026279 AMAQI
29th Jul 20262510 AMAQI
29th Jul 20262511 AMAQI
29th Jul 20264012 PMAQI
29th Jul 2026361 PMAQI
29th Jul 2026312 PMAQI
29th Jul 2026293 PMAQI
29th Jul 2026344 PMAQI
29th Jul 2026255 PMAQI
29th Jul 2026236 PMAQI
29th Jul 2026297 PMAQI
29th Jul 2026258 PMAQI
29th Jul 2026259 PMAQI
29th Jul 20262910 PMAQI
29th Jul 20263411 PMAQI
30th Jul 20263412 AMAQI
30th Jul 2026291 AMAQI
30th Jul 2026252 AMAQI
30th Jul 2026273 AMAQI
30th Jul 2026234 AMAQI
30th Jul 2026235 AMAQI

20°C16/25°C

30th Jul 2026236 AMAQI
30th Jul 2026337 AMAQI
30th Jul 2026238 AMAQI
30th Jul 2026259 AMAQI
30th Jul 20262310 AMAQI
30th Jul 20262511 AMAQI
30th Jul 20262712 PMAQI
30th Jul 2026311 PMAQI
30th Jul 2026292 PMAQI
30th Jul 2026403 PMAQI
30th Jul 2026344 PMAQI
30th Jul 2026295 PMAQI
30th Jul 2026276 PMAQI
30th Jul 2026257 PMAQI
30th Jul 2026258 PMAQI
30th Jul 2026389 PMAQI
30th Jul 20264210 PMAQI
30th Jul 20264011 PMAQI
31st Jul 20262912 AMAQI
31st Jul 2026291 AMAQI
31st Jul 2026212 AMAQI
31st Jul 2026273 AMAQI
31st Jul 2026274 AMAQI
31st Jul 2026295 AMAQI

20°C15/25°C

31st Jul 2026466 AMAQI
31st Jul 2026237 AMAQI
31st Jul 2026328 AMAQI
31st Jul 2026239 AMAQI
31st Jul 20262910 AMAQI
31st Jul 20262911 AMAQI
31st Jul 20263112 PMAQI
31st Jul 2026361 PMAQI
31st Jul 2026362 PMAQI
31st Jul 2026253 PMAQI
31st Jul 2026254 PMAQI
31st Jul 2026255 PMAQI
31st Jul 2026256 PMAQI
31st Jul 2026257 PMAQI
31st Jul 2026298 PMAQI
31st Jul 2026279 PMAQI
31st Jul 20262710 PMAQI
31st Jul 20265211 PMAQI
1st Aug 20263912 AMAQI
1st Aug 2026361 AMAQI
1st Aug 2026292 AMAQI
1st Aug 2026293 AMAQI
1st Aug 2026274 AMAQI
1st Aug 2026255 AMAQI

20°C15/25°C

1st Aug 2026256 AMAQI
1st Aug 2026297 AMAQI
1st Aug 2026258 AMAQI
1st Aug 2026259 AMAQI
1st Aug 20262310 AMAQI
1st Aug 20262311 AMAQI
1st Aug 20264012 PMAQI
1st Aug 2026341 PMAQI
1st Aug 2026292 PMAQI
1st Aug 2026403 PMAQI
1st Aug 2026364 PMAQI
1st Aug 2026235 PMAQI
1st Aug 2026236 PMAQI
1st Aug 2026237 PMAQI
1st Aug 2026298 PMAQI
1st Aug 2026259 PMAQI
1st Aug 20262510 PMAQI
1st Aug 20262911 PMAQI
2nd Aug 20262512 AMAQI
2nd Aug 2026291 AMAQI
2nd Aug 2026332 AMAQI
2nd Aug 2026503 AMAQI
2nd Aug 2026424 AMAQI
2nd Aug 2026385 AMAQI

21°C17/26°C

2nd Aug 2026276 AMAQI
2nd Aug 2026297 AMAQI
2nd Aug 2026348 AMAQI
2nd Aug 2026299 AMAQI
2nd Aug 20263110 AMAQI
2nd Aug 20262911 AMAQI
2nd Aug 20265012 PMAQI
2nd Aug 2026401 PMAQI
2nd Aug 2026422 PMAQI
2nd Aug 2026483 PMAQI
2nd Aug 2026364 PMAQI
2nd Aug 2026255 PMAQI
2nd Aug 2026296 PMAQI
2nd Aug 2026297 PMAQI
2nd Aug 2026298 PMAQI
2nd Aug 2026279 PMAQI
2nd Aug 20262510 PMAQI
2nd Aug 20262711 PMAQI
3rd Aug 20263412 AMAQI
3rd Aug 2026421 AMAQI
3rd Aug 2026422 AMAQI
3rd Aug 2026343 AMAQI
3rd Aug 2026274 AMAQI
3rd Aug 2026275 AMAQI

21°C17/26°C

3rd Aug 2026256 AMAQI
3rd Aug 2026247 AMAQI
3rd Aug 2026388 AMAQI
3rd Aug 2026349 AMAQI
3rd Aug 20262910 AMAQI
3rd Aug 20262911 AMAQI
3rd Aug 20264412 PMAQI
3rd Aug 2026441 PMAQI
3rd Aug 2026362 PMAQI
3rd Aug 2026363 PMAQI
3rd Aug 2026314 PMAQI
3rd Aug 2026275 PMAQI
3rd Aug 2026236 PMAQI
3rd Aug 2026257 PMAQI
3rd Aug 2026268 PMAQI
3rd Aug 2026259 PMAQI
3rd Aug 20262610 PMAQI
3rd Aug 20263811 PMAQI
4th Aug 20264012 AMAQI
4th Aug 2026531 AMAQI
4th Aug 2026272 AMAQI
4th Aug 2026493 AMAQI
4th Aug 2026444 AMAQI
4th Aug 2026325 AMAQI

21°C18/25°C

4th Aug 2026236 AMAQI
4th Aug 2026467 AMAQI
4th Aug 2026248 AMAQI
4th Aug 2026299 AMAQI
4th Aug 20264410 AMAQI
4th Aug 20262711 AMAQI
4th Aug 20264812 PMAQI
4th Aug 2026441 PMAQI
4th Aug 2026482 PMAQI
4th Aug 2026453 PMAQI
4th Aug 2026294 PMAQI
4th Aug 2026275 PMAQI
4th Aug 2026236 PMAQI
4th Aug 2026407 PMAQI
4th Aug 2026278 PMAQI
4th Aug 2026319 PMAQI
4th Aug 20262710 PMAQI
4th Aug 20262611 PMAQI
5th Aug 20262912 AMAQI
5th Aug 2026511 AMAQI
5th Aug 2026502 AMAQI
5th Aug 2026483 AMAQI
5th Aug 2026654 AMAQI
5th Aug 2026605 AMAQI

19°C16/21°C

5th Aug 2026606 AMAQI
5th Aug 2026577 AMAQI
5th Aug 2026588 AMAQI
5th Aug 2026769 AMAQI
5th Aug 20267310 AMAQI
5th Aug 20266711 AMAQI
5th Aug 20266512 PMAQI
5th Aug 2026621 PMAQI
5th Aug 2026682 PMAQI
5th Aug 2026863 PMAQI
5th Aug 2026704 PMAQI
5th Aug 2026605 PMAQI
5th Aug 2026546 PMAQI
5th Aug 2026537 PMAQI
5th Aug 2026548 PMAQI
5th Aug 2026669 PMAQI
5th Aug 20266910 PMAQI
5th Aug 20266211 PMAQI
6th Aug 20265412 AMAQI
6th Aug 2026501 AMAQI
6th Aug 2026582 AMAQI
6th Aug 2026423 AMAQI
6th Aug 2026314 AMAQI
6th Aug 2026625 AMAQI

20°C16/25°C

6th Aug 2026596 AMAQI
6th Aug 2026567 AMAQI
6th Aug 2026428 AMAQI
6th Aug 2026609 AMAQI
6th Aug 20266310 AMAQI
6th Aug 20266711 AMAQI
6th Aug 20266912 PMAQI
6th Aug 2026761 PMAQI
6th Aug 2026892 PMAQI
6th Aug 2026943 PMAQI
6th Aug 2026654 PMAQI
6th Aug 2026645 PMAQI
6th Aug 2026756 PMAQI
6th Aug 2026667 PMAQI
6th Aug 2026568 PMAQI
6th Aug 2026429 PMAQI
6th Aug 20264610 PMAQI
6th Aug 20264011 PMAQI
7th Aug 20264012 AMAQI
7th Aug 2026401 AMAQI
7th Aug 2026382 AMAQI
7th Aug 2026293 AMAQI
7th Aug 2026274 AMAQI
7th Aug 2026215 AMAQI

20°C17/22°C

7th Aug 2026216 AMAQI
7th Aug 2026337 AMAQI
7th Aug 2026338 AMAQI
7th Aug 2026339 AMAQI
7th Aug 20263310 AMAQI
7th Aug 20263111 AMAQI
7th Aug 20263612 PMAQI
7th Aug 2026251 PMAQI
7th Aug 2026272 PMAQI
7th Aug 2026293 PMAQI
7th Aug 2026254 PMAQI
7th Aug 2026255 PMAQI
7th Aug 2026256 PMAQI
7th Aug 2026297 PMAQI
7th Aug 2026298 PMAQI
7th Aug 2026369 PMAQI
7th Aug 20264210 PMAQI
7th Aug 20265611 PMAQI
8th Aug 20264612 AMAQI
8th Aug 2026441 AMAQI
8th Aug 2026442 AMAQI
8th Aug 2026483 AMAQI
8th Aug 2026484 AMAQI
8th Aug 2026575 AMAQI

20°C17/24°C

8th Aug 2026536 AMAQI
8th Aug 2026547 AMAQI
8th Aug 2026668 AMAQI
8th Aug 2026739 AMAQI
8th Aug 20267810 AMAQI
8th Aug 20269811 AMAQI
8th Aug 20268612 PMAQI
8th Aug 2026821 PMAQI
8th Aug 2026642 PMAQI
8th Aug 2026683 PMAQI
8th Aug 2026654 PMAQI
8th Aug 2026585 PMAQI
8th Aug 2026666 PMAQI
8th Aug 2026537 PMAQI
8th Aug 2026558 PMAQI
8th Aug 2026649 PMAQI
8th Aug 20266210 PMAQI
8th Aug 20266611 PMAQI
9th Aug 20266612 AMAQI
9th Aug 2026621 AMAQI
9th Aug 2026602 AMAQI
9th Aug 2026533 AMAQI
9th Aug 2026384 AMAQI
9th Aug 2026445 AMAQI

20°C16/26°C

9th Aug 2026426 AMAQI
9th Aug 2026317 AMAQI
9th Aug 2026588 AMAQI
9th Aug 2026609 AMAQI
9th Aug 20267410 AMAQI
9th Aug 20268211 AMAQI
9th Aug 20267212 PMAQI
9th Aug 2026721 PMAQI
9th Aug 2026692 PMAQI
9th Aug 2026703 PMAQI
9th Aug 2026684 PMAQI
9th Aug 2026825 PMAQI
9th Aug 2026586 PMAQI
9th Aug 2026407 PMAQI
9th Aug 2026428 PMAQI
9th Aug 2026509 PMAQI
9th Aug 20266410 PMAQI
9th Aug 20267511 PMAQI
10th Aug 20267212 AMAQI
10th Aug 2026721 AMAQI
10th Aug 2026702 AMAQI
10th Aug 2026723 AMAQI
10th Aug 2026744 AMAQI
10th Aug 2026815 AMAQI

20°C15/27°C

10th Aug 2026766 AMAQI
10th Aug 2026797 AMAQI
10th Aug 2026768 AMAQI
10th Aug 2026769 AMAQI
10th Aug 20267310 AMAQI
10th Aug 20267211 AMAQI
10th Aug 20269512 PMAQI
10th Aug 2026851 PMAQI
10th Aug 2026792 PMAQI
10th Aug 2026663 PMAQI
10th Aug 2026744 PMAQI
10th Aug 2026635 PMAQI
10th Aug 2026546 PMAQI
10th Aug 2026527 PMAQI
10th Aug 2026518 PMAQI
10th Aug 2026519 PMAQI
10th Aug 20266810 PMAQI
10th Aug 20266011 PMAQI
11th Aug 20267312 AMAQI
11th Aug 2026621 AMAQI
11th Aug 2026622 AMAQI
11th Aug 2026653 AMAQI
11th Aug 2026604 AMAQI
11th Aug 2026685 AMAQI

21°C17/27°C

11th Aug 2026696 AMAQI
11th Aug 2026707 AMAQI
11th Aug 2026718 AMAQI
11th Aug 2026689 AMAQI
11th Aug 20267310 AMAQI
11th Aug 20267311 AMAQI
11th Aug 20269412 PMAQI
11th Aug 2026891 PMAQI
11th Aug 2026832 PMAQI
11th Aug 2026693 PMAQI
11th Aug 2026664 PMAQI
11th Aug 2026575 PMAQI
11th Aug 2026386 PMAQI
11th Aug 2026557 PMAQI
11th Aug 2026488 PMAQI
11th Aug 2026569 PMAQI
11th Aug 20264810 PMAQI
11th Aug 20265011 PMAQI
12th Aug 20264812 AMAQI
12th Aug 2026531 AMAQI
12th Aug 2026652 AMAQI
12th Aug 2026673 AMAQI
12th Aug 2026684 AMAQI
12th Aug 2026555 AMAQI

21°C16/28°C

12th Aug 2026526 AMAQI
12th Aug 2026507 AMAQI
12th Aug 2026298 AMAQI
12th Aug 2026299 AMAQI
12th Aug 20262110 AMAQI
12th Aug 20262111 AMAQI
12th Aug 20262912 PMAQI
12th Aug 2026331 PMAQI
12th Aug 2026222 PMAQI
12th Aug 2026333 PMAQI
12th Aug 2026464 PMAQI
12th Aug 2026685 PMAQI
12th Aug 2026706 PMAQI
12th Aug 2026587 PMAQI
12th Aug 2026658 PMAQI
12th Aug 2026659 PMAQI
12th Aug 20266210 PMAQI
12th Aug 20267411 PMAQI
13th Aug 20268012 AMAQI
13th Aug 2026761 AMAQI
13th Aug 2026682 AMAQI
13th Aug 2026643 AMAQI
13th Aug 2026554 AMAQI
13th Aug 2026675 AMAQI

21°C16/27°C

13th Aug 2026716 AMAQI
13th Aug 2026767 AMAQI
13th Aug 2026748 AMAQI
13th Aug 2026769 AMAQI
13th Aug 20267810 AMAQI
13th Aug 20267411 AMAQI
13th Aug 20267912 PMAQI
13th Aug 2026851 PMAQI
13th Aug 2026842 PMAQI
13th Aug 2026823 PMAQI
13th Aug 2026594 PMAQI
13th Aug 2026425 PMAQI
13th Aug 2026406 PMAQI
13th Aug 2026407 PMAQI
13th Aug 2026448 PMAQI
13th Aug 2026679 PMAQI
13th Aug 20268110 PMAQI
13th Aug 20267911 PMAQI
14th Aug 20267212 AMAQI
14th Aug 2026671 AMAQI
14th Aug 2026582 AMAQI
14th Aug 2026473 AMAQI
14th Aug 2026604 AMAQI
14th Aug 2026755 AMAQI

22°C16/29°C

14th Aug 2026786 AMAQI
14th Aug 2026767 AMAQI
14th Aug 2026748 AMAQI
14th Aug 2026689 AMAQI
14th Aug 20267010 AMAQI
14th Aug 20267811 AMAQI
14th Aug 20268512 PMAQI
14th Aug 2026831 PMAQI
14th Aug 2026762 PMAQI
14th Aug 2026683 PMAQI
14th Aug 2026564 PMAQI
14th Aug 2026445 PMAQI
14th Aug 2026446 PMAQI
14th Aug 2026297 PMAQI
14th Aug 2026488 PMAQI
14th Aug 2026749 PMAQI
14th Aug 20267110 PMAQI
14th Aug 20267511 PMAQI
15th Aug 20268112 AMAQI
15th Aug 2026691 AMAQI
15th Aug 2026732 AMAQI
15th Aug 2026713 AMAQI
15th Aug 2026664 AMAQI
15th Aug 2026535 AMAQI

21°C15/28°C

15th Aug 2026556 AMAQI
15th Aug 2026517 AMAQI
15th Aug 2026508 AMAQI
15th Aug 2026529 AMAQI
15th Aug 20264810 AMAQI
15th Aug 20265111 AMAQI
15th Aug 20263312 PMAQI
15th Aug 2026311 PMAQI
15th Aug 2026382 PMAQI
15th Aug 2026523 PMAQI
15th Aug 2026534 PMAQI
15th Aug 2026365 PMAQI
15th Aug 2026296 PMAQI
15th Aug 2026467 PMAQI
15th Aug 2026448 PMAQI
15th Aug 2026539 PMAQI
15th Aug 20265210 PMAQI
15th Aug 20265511 PMAQI
16th Aug 20263612 AMAQI
16th Aug 2026381 AMAQI
16th Aug 2026442 AMAQI
16th Aug 2026583 AMAQI
16th Aug 2026514 AMAQI
16th Aug 2026465 AMAQI

21°C16/28°C

16th Aug 2026626 AMAQI
16th Aug 2026577 AMAQI
16th Aug 2026628 AMAQI
16th Aug 2026549 AMAQI
16th Aug 20265410 AMAQI
16th Aug 20264211 AMAQI
16th Aug 20265212 PMAQI
16th Aug 2026521 PMAQI
16th Aug 2026462 PMAQI
16th Aug 2026423 PMAQI
16th Aug 2026464 PMAQI
16th Aug 2026525 PMAQI
16th Aug 2026386 PMAQI
16th Aug 2026297 PMAQI
16th Aug 2026368 PMAQI
16th Aug 2026489 PMAQI
16th Aug 20264610 PMAQI
16th Aug 20265611 PMAQI
17th Aug 20264212 AMAQI
17th Aug 2026421 AMAQI
17th Aug 2026462 AMAQI
17th Aug 2026293 AMAQI
17th Aug 2026314 AMAQI
17th Aug 2026335 AMAQI

21°C16/28°C

17th Aug 2026296 AMAQI
17th Aug 2026447 AMAQI
17th Aug 2026368 AMAQI
17th Aug 2026299 AMAQI
17th Aug 20262910 AMAQI
17th Aug 20262911 AMAQI
17th Aug 20263112 PMAQI
17th Aug 2026291 PMAQI
17th Aug 2026292 PMAQI
17th Aug 2026293 PMAQI
17th Aug 2026254 PMAQI
17th Aug 2026295 PMAQI
17th Aug 2026296 PMAQI
17th Aug 2026237 PMAQI
17th Aug 2026258 PMAQI
17th Aug 2026299 PMAQI
17th Aug 20262910 PMAQI
17th Aug 20262911 PMAQI
18th Aug 20262512 AMAQI
18th Aug 2026381 AMAQI
18th Aug 2026332 AMAQI
18th Aug 2026293 AMAQI
18th Aug 2026404 AMAQI
18th Aug 2026425 AMAQI

21°C20/21°C

18th Aug 2026506 AMAQI
6 AM
18th Aug 2026367 AMAQI
18th Aug 2026388 AMAQI
18th Aug 2026409 AMAQI
18th Aug 20264210 AMAQI
18th Aug 20265211 AMAQI
18th Aug 20264912 PMAQI
12 PM
18th Aug 2026881 PMAQI
18th Aug 2026862 PMAQI
18th Aug 2026723 PMAQI
18th Aug 2026804 PMAQI
18th Aug 2026525 PMAQI
18th Aug 2026236 PMAQI
18th Aug 2026297 PMAQI
7 PM
18th Aug 2026388 PMAQI
18th Aug 2026409 PMAQI
18th Aug 20262510 PMAQI
18th Aug 20262111 PMAQI
12 AM
5 AM

21°C18/26°C

Day time
Avg. Highest Time
12 PM - 1 PM

53AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
6 PM - 7 PM

38AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 1 PM (Avg. 53), while the lowest AQI was between 6 PM to 7 PM (Avg. 38).
Night time
Avg. Highest Time
12 AM - 5 AM

46AQI

6 hours / Day
180 hours / Month
Avg. Lowest Time
8 PM

38AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 5 AM (Avg. 46), while the lowest AQI was between 8 PM to 8 PM (Avg. 38).

2026 Days Vs Air Quality

Sewage Treatment Plant, Wenlan, Yunnan, China

2026

44%

101

45%

104

10%

24

0.4%

1

Total number of days with different AQI categories in last 230 days in 2026 (135 days remaining)

Good
101 Days
Moderate
104 Days
Poor
24 Days
Unhealthy
1 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 44%

Health Risk Level:

Significant

In 2026, 44% of 230 days were within WHO’s safe air quality limits, and 56% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.

Annual Air Quality Insights

Sewage Treatment Plant, Wenlan, Yunnan, China

AQI levels in 2026

AQI (US)
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 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
36AQI (US)
2nd January 2026
34AQI (US)
3rd January 2026
28AQI (US)
4th January 2026
33AQI (US)
5th January 2026
34AQI (US)
6th January 2026
24AQI (US)
7th January 2026
50AQI (US)
8th January 2026
40AQI (US)
9th January 2026
32AQI (US)
10th January 2026
32AQI (US)
11th January 2026
48AQI (US)
12th January 2026
59AQI (US)
13th January 2026
117AQI (US)
14th January 2026
90AQI (US)
15th January 2026
88AQI (US)
16th January 2026
74AQI (US)
17th January 2026
71AQI (US)
18th January 2026
63AQI (US)
19th January 2026
66AQI (US)
20th January 2026
67AQI (US)
21st January 2026
65AQI (US)
22nd January 2026
38AQI (US)
23rd January 2026
30AQI (US)
24th January 2026
41AQI (US)
25th January 2026
59AQI (US)
26th January 2026
56AQI (US)
27th January 2026
66AQI (US)
28th January 2026
63AQI (US)
29th January 2026
74AQI (US)
30th January 2026
66AQI (US)
31st January 2026
81AQI (US)
1st February 2026
56AQI (US)
2nd February 2026
76AQI (US)
3rd February 2026
134AQI (US)
4th February 2026
141AQI (US)
5th February 2026
97AQI (US)
6th February 2026
70AQI (US)
7th February 2026
89AQI (US)
8th February 2026
64AQI (US)
9th February 2026
23AQI (US)
10th February 2026
47AQI (US)
11th February 2026
50AQI (US)
12th February 2026
56AQI (US)
13th February 2026
53AQI (US)
14th February 2026
62AQI (US)
15th February 2026
71AQI (US)
16th February 2026
70AQI (US)
17th February 2026
90AQI (US)
18th February 2026
77AQI (US)
19th February 2026
46AQI (US)
20th February 2026
38AQI (US)
21st February 2026
51AQI (US)
22nd February 2026
58AQI (US)
23rd February 2026
63AQI (US)
24th February 2026
77AQI (US)
25th February 2026
71AQI (US)
26th February 2026
50AQI (US)
27th February 2026
68AQI (US)
28th February 2026
69AQI (US)
1st March 2026
89AQI (US)
2nd March 2026
111AQI (US)
3rd March 2026
102AQI (US)
4th March 2026
89AQI (US)
5th March 2026
82AQI (US)
6th March 2026
50AQI (US)
7th March 2026
64AQI (US)
8th March 2026
44AQI (US)
9th March 2026
40AQI (US)
10th March 2026
45AQI (US)
11th March 2026
66AQI (US)
12th March 2026
69AQI (US)
13th March 2026
80AQI (US)
14th March 2026
92AQI (US)
15th March 2026
54AQI (US)
16th March 2026
51AQI (US)
17th March 2026
88AQI (US)
18th March 2026
82AQI (US)
19th March 2026
92AQI (US)
20th March 2026
100AQI (US)
21st March 2026
113AQI (US)
22nd March 2026
64AQI (US)
23rd March 2026
61AQI (US)
24th March 2026
90AQI (US)
25th March 2026
109AQI (US)
26th March 2026
129AQI (US)
27th March 2026
147AQI (US)
28th March 2026
158AQI (US)
29th March 2026
117AQI (US)
30th March 2026
76AQI (US)
31st March 2026
97AQI (US)
1st April 2026
102AQI (US)
2nd April 2026
97AQI (US)
3rd April 2026
94AQI (US)
4th April 2026
111AQI (US)
5th April 2026
110AQI (US)
6th April 2026
101AQI (US)
7th April 2026
93AQI (US)
8th April 2026
88AQI (US)
9th April 2026
66AQI (US)
10th April 2026
82AQI (US)
11th April 2026
75AQI (US)
12th April 2026
73AQI (US)
13th April 2026
93AQI (US)
14th April 2026
115AQI (US)
15th April 2026
147AQI (US)
16th April 2026
138AQI (US)
17th April 2026
138AQI (US)
18th April 2026
141AQI (US)
19th April 2026
118AQI (US)
20th April 2026
107AQI (US)
21st April 2026
114AQI (US)
22nd April 2026
123AQI (US)
23rd April 2026
109AQI (US)
24th April 2026
83AQI (US)
25th April 2026
62AQI (US)
26th April 2026
71AQI (US)
27th April 2026
75AQI (US)
28th April 2026
79AQI (US)
29th April 2026
39AQI (US)
30th April 2026
44AQI (US)
1st May 2026
52AQI (US)
2nd May 2026
38AQI (US)
3rd May 2026
34AQI (US)
4th May 2026
38AQI (US)
5th May 2026
62AQI (US)
6th May 2026
55AQI (US)
7th May 2026
61AQI (US)
8th May 2026
75AQI (US)
9th May 2026
84AQI (US)
10th May 2026
18AQI (US)
11th May 2026
14AQI (US)
12th May 2026
26AQI (US)
13th May 2026
24AQI (US)
14th May 2026
35AQI (US)
15th May 2026
51AQI (US)
16th May 2026
90AQI (US)
17th May 2026
91AQI (US)
18th May 2026
82AQI (US)
19th May 2026
75AQI (US)
20th May 2026
88AQI (US)
21st May 2026
91AQI (US)
22nd May 2026
87AQI (US)
23rd May 2026
60AQI (US)
24th May 2026
72AQI (US)
25th May 2026
77AQI (US)
26th May 2026
58AQI (US)
27th May 2026
54AQI (US)
28th May 2026
60AQI (US)
29th May 2026
29AQI (US)
30th May 2026
38AQI (US)
31st May 2026
42AQI (US)
1st June 2026
34AQI (US)
2nd June 2026
55AQI (US)
3rd June 2026
42AQI (US)
4th June 2026
51AQI (US)
5th June 2026
56AQI (US)
6th June 2026
28AQI (US)
7th June 2026
21AQI (US)
8th June 2026
26AQI (US)
9th June 2026
48AQI (US)
10th June 2026
45AQI (US)
11th June 2026
45AQI (US)
12th June 2026
21AQI (US)
13th June 2026
16AQI (US)
14th June 2026
21AQI (US)
15th June 2026
21AQI (US)
16th June 2026
23AQI (US)
17th June 2026
23AQI (US)
18th June 2026
24AQI (US)
19th June 2026
23AQI (US)
20th June 2026
22AQI (US)
21st June 2026
18AQI (US)
22nd June 2026
17AQI (US)
23rd June 2026
21AQI (US)
24th June 2026
19AQI (US)
25th June 2026
35AQI (US)
26th June 2026
34AQI (US)
27th June 2026
18AQI (US)
28th June 2026
24AQI (US)
29th June 2026
22AQI (US)
30th June 2026
34AQI (US)
1st July 2026
24AQI (US)
2nd July 2026
17AQI (US)
3rd July 2026
22AQI (US)
4th July 2026
26AQI (US)
5th July 2026
29AQI (US)
6th July 2026
17AQI (US)
7th July 2026
25AQI (US)
8th July 2026
22AQI (US)
9th July 2026
39AQI (US)
10th July 2026
30AQI (US)
11th July 2026
26AQI (US)
12th July 2026
26AQI (US)
13th July 2026
30AQI (US)
14th July 2026
27AQI (US)
15th July 2026
33AQI (US)
16th July 2026
20AQI (US)
17th July 2026
26AQI (US)
18th July 2026
34AQI (US)
19th July 2026
44AQI (US)
20th July 2026
66AQI (US)
21st July 2026
58AQI (US)
22nd July 2026
56AQI (US)
23rd July 2026
48AQI (US)
24th July 2026
32AQI (US)
25th July 2026
28AQI (US)
26th July 2026
33AQI (US)
27th July 2026
32AQI (US)
28th July 2026
26AQI (US)
29th July 2026
28AQI (US)
30th July 2026
29AQI (US)
31st July 2026
29AQI (US)
1st August 2026
29AQI (US)
2nd August 2026
33AQI (US)
3rd August 2026
32AQI (US)
4th August 2026
36AQI (US)
5th August 2026
61AQI (US)
6th August 2026
59AQI (US)
7th August 2026
32AQI (US)
8th August 2026
62AQI (US)
9th August 2026
60AQI (US)
10th August 2026
70AQI (US)
11th August 2026
65AQI (US)
12th August 2026
49AQI (US)
13th August 2026
68AQI (US)
14th August 2026
66AQI (US)
15th August 2026
52AQI (US)
16th August 2026
48AQI (US)
17th August 2026
31AQI (US)
18th August 2026
44AQI (US)
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

56AQI (US)

68AQI (US)

86AQI (US)

96AQI (US)

57AQI (US)

30AQI (US)

32AQI (US)

50AQI (US)

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202660AQI (US)

14
16
1
6
20
2
4
19
7
1
2
14
14
11
20
27
3
28
3
9
9
101
104
24
1

Highest AQI (US) recorded in

April

96AQI (US)

Lowest AQI (US) recorded in

June

30AQI (US)

202566AQI (US)

9
22
5
20
3
17
13
1
18
12
4
27
16
14
14
17
16
15
10
20
12
19
22
8
17
14
116
198
50
1

Highest AQI (US) recorded in

January

115AQI (US)

Lowest AQI (US) recorded in

November

45AQI (US)

202473AQI (US)

10
4
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
164
55
6

Highest AQI (US) recorded in

April

125AQI (US)

Lowest AQI (US) recorded in

February

29AQI (US)

202386AQI (US)

18
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
214
82
21

Highest AQI (US) recorded in

April

138AQI (US)

Lowest AQI (US) recorded in

August

56AQI (US)

202274AQI (US)

1
28
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
162
61
3

Highest AQI (US) recorded in

March

106AQI (US)

Lowest AQI (US) recorded in

August

37AQI (US)

202180AQI (US)

2
9
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
204
78
10

Highest AQI (US) recorded in

March

134AQI (US)

Lowest AQI (US) recorded in

June

52AQI (US)

202069AQI (US)

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 (US) recorded in

March

149AQI (US)

Lowest AQI (US) recorded in

August

40AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2023(Avg.)
86AQI (US)
Least Polluted Year Recorded
2026(Avg.)
60AQI (US)

Sewage Treatment Plant's annual 2026 AQI (US) (60) shows an average percentage change of -19.01% (improved AQI (US)) compared to previous years: 2020 (69), 2021 (80), 2022 (74), 2023 (86), 2024 (73), 2025 (66).