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HistoryAQIPM2.5PM10COSO2NO2O3

State Water Authority, Kaihua, 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+

October Air Quality Analysis

State Water Authority, Kaihua, Yunnan, China

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
8th Oct 2024
123AQI
Lowest AQI recorded on
19th Oct 2021
20AQI

Same Day Analysis (12th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 76 of Moderate air quality, showing improvement over 2024 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 12th Oct - 13th Oct 2025

State Water Authority, Kaihua, Yunnan, China

AQI
Day
Night
.

5 AM12th Oct 2025

5 PM

4 AM13th Oct 2025

Day time
Avg. Highest Time
5AM12th Oct

94AQI

Avg. Lowest Time
4PM12th Oct

39AQI

Night time
Avg. Highest Time
8PM12th Oct

79AQI

Avg. Lowest Time
11PM12th Oct

52AQI

In the last 24 hours,

State Water Authority's AQI reached its highest point of 94 at 5 AM during the Day, while the lowest point, 39, was recorded at 4 PM during the Day between 12th Oct and 13th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

State Water Authority, Kaihua, Yunnan, China

SepOct
13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th
Day
Night
13th Sep 2025505 AMAQI
13th Sep 2025506 AMAQI
13th Sep 2025497 AMAQI
13th Sep 2025368 AMAQI
13th Sep 2025409 AMAQI
13th Sep 20254610 AMAQI
13th Sep 20254111 AMAQI
13th Sep 20253612 PMAQI
13th Sep 2025431 PMAQI
13th Sep 2025412 PMAQI
13th Sep 2025353 PMAQI
13th Sep 2025314 PMAQI
13th Sep 2025305 PMAQI
13th Sep 2025376 PMAQI
13th Sep 2025457 PMAQI
13th Sep 2025448 PMAQI
13th Sep 2025419 PMAQI
13th Sep 20254510 PMAQI
13th Sep 20254911 PMAQI
14th Sep 20254612 AMAQI
14th Sep 2025511 AMAQI
14th Sep 2025512 AMAQI
14th Sep 2025483 AMAQI
14th Sep 2025484 AMAQI

21°C18/25°C

14th Sep 2025485 AMAQI
14th Sep 2025496 AMAQI
14th Sep 2025497 AMAQI
14th Sep 2025428 AMAQI
14th Sep 2025419 AMAQI
14th Sep 20255210 AMAQI
14th Sep 20257111 AMAQI
14th Sep 20255412 PMAQI
14th Sep 2025521 PMAQI
14th Sep 2025492 PMAQI
14th Sep 2025403 PMAQI
14th Sep 2025404 PMAQI
14th Sep 2025445 PMAQI
14th Sep 2025526 PMAQI
14th Sep 2025527 PMAQI
14th Sep 2025528 PMAQI
14th Sep 2025509 PMAQI
14th Sep 20254810 PMAQI
14th Sep 20254411 PMAQI
15th Sep 20255112 AMAQI
15th Sep 2025501 AMAQI
15th Sep 2025502 AMAQI
15th Sep 2025503 AMAQI
15th Sep 2025504 AMAQI

20°C17/26°C

15th Sep 2025515 AMAQI
15th Sep 2025506 AMAQI
15th Sep 2025517 AMAQI
15th Sep 2025528 AMAQI
15th Sep 2025589 AMAQI
15th Sep 20255610 AMAQI
15th Sep 20255811 AMAQI
15th Sep 20256312 PMAQI
15th Sep 2025561 PMAQI
15th Sep 2025552 PMAQI
15th Sep 2025543 PMAQI
15th Sep 2025484 PMAQI
15th Sep 2025465 PMAQI
15th Sep 2025266 PMAQI
15th Sep 2025447 PMAQI
15th Sep 2025548 PMAQI
15th Sep 2025539 PMAQI
15th Sep 20254210 PMAQI
15th Sep 20254211 PMAQI
16th Sep 20254312 AMAQI
16th Sep 2025511 AMAQI
16th Sep 2025512 AMAQI
16th Sep 2025513 AMAQI
16th Sep 2025524 AMAQI

20°C16/25°C

16th Sep 2025525 AMAQI
16th Sep 2025526 AMAQI
16th Sep 2025527 AMAQI
16th Sep 2025578 AMAQI
16th Sep 2025569 AMAQI
16th Sep 20255310 AMAQI
16th Sep 20254911 AMAQI
16th Sep 20254812 PMAQI
16th Sep 2025521 PMAQI
16th Sep 2025542 PMAQI
16th Sep 2025423 PMAQI
16th Sep 2025304 PMAQI
16th Sep 2025345 PMAQI
16th Sep 2025266 PMAQI
16th Sep 2025347 PMAQI
16th Sep 2025518 PMAQI
16th Sep 2025479 PMAQI
16th Sep 20254510 PMAQI
16th Sep 20254111 PMAQI
17th Sep 20254312 AMAQI
17th Sep 2025521 AMAQI
17th Sep 2025512 AMAQI
17th Sep 2025523 AMAQI
17th Sep 2025524 AMAQI

19°C16/24°C

17th Sep 2025525 AMAQI
17th Sep 2025526 AMAQI
17th Sep 2025527 AMAQI
17th Sep 2025578 AMAQI
17th Sep 2025409 AMAQI
17th Sep 20254210 AMAQI
17th Sep 20255311 AMAQI
17th Sep 20255112 PMAQI
17th Sep 2025541 PMAQI
17th Sep 2025492 PMAQI
17th Sep 2025423 PMAQI
17th Sep 2025464 PMAQI
17th Sep 2025465 PMAQI
17th Sep 2025446 PMAQI
17th Sep 2025527 PMAQI
17th Sep 2025558 PMAQI
17th Sep 2025589 PMAQI
17th Sep 20255010 PMAQI
17th Sep 20255411 PMAQI
18th Sep 20255412 AMAQI
18th Sep 2025521 AMAQI
18th Sep 2025522 AMAQI
18th Sep 2025523 AMAQI
18th Sep 2025524 AMAQI

20°C16/25°C

18th Sep 2025525 AMAQI
18th Sep 2025526 AMAQI
18th Sep 2025527 AMAQI
18th Sep 2025328 AMAQI
18th Sep 2025249 AMAQI
18th Sep 20253010 AMAQI
18th Sep 20252411 AMAQI
18th Sep 20253612 PMAQI
18th Sep 2025461 PMAQI
18th Sep 2025472 PMAQI
18th Sep 2025363 PMAQI
18th Sep 2025294 PMAQI
18th Sep 2025375 PMAQI
18th Sep 2025226 PMAQI
18th Sep 2025437 PMAQI
18th Sep 2025568 PMAQI
18th Sep 2025559 PMAQI
18th Sep 20254010 PMAQI
18th Sep 20254111 PMAQI
19th Sep 20253812 AMAQI
19th Sep 2025521 AMAQI
19th Sep 2025532 AMAQI
19th Sep 2025523 AMAQI
19th Sep 2025524 AMAQI

19°C16/24°C

19th Sep 2025525 AMAQI
19th Sep 2025516 AMAQI
19th Sep 2025517 AMAQI
19th Sep 2025528 AMAQI
19th Sep 2025449 AMAQI
19th Sep 20253310 AMAQI
19th Sep 20253611 AMAQI
19th Sep 20255412 PMAQI
19th Sep 2025591 PMAQI
19th Sep 2025522 PMAQI
19th Sep 2025363 PMAQI
19th Sep 2025324 PMAQI
19th Sep 2025365 PMAQI
19th Sep 2025326 PMAQI
19th Sep 2025437 PMAQI
19th Sep 2025528 PMAQI
19th Sep 2025549 PMAQI
19th Sep 20253810 PMAQI
19th Sep 20254011 PMAQI
20th Sep 20253812 AMAQI
20th Sep 2025371 AMAQI
20th Sep 2025522 AMAQI
20th Sep 2025523 AMAQI
20th Sep 2025524 AMAQI

19°C15/25°C

20th Sep 2025515 AMAQI
20th Sep 2025526 AMAQI
20th Sep 2025527 AMAQI
20th Sep 2025568 AMAQI
20th Sep 2025549 AMAQI
20th Sep 20252610 AMAQI
20th Sep 20253011 AMAQI
20th Sep 20254812 PMAQI
20th Sep 2025471 PMAQI
20th Sep 2025512 PMAQI
20th Sep 2025553 PMAQI
20th Sep 2025384 PMAQI
20th Sep 2025465 PMAQI
20th Sep 2025446 PMAQI
20th Sep 2025427 PMAQI
20th Sep 2025528 PMAQI
20th Sep 2025539 PMAQI
20th Sep 20254810 PMAQI
20th Sep 20254311 PMAQI
21st Sep 20254212 AMAQI
21st Sep 2025521 AMAQI
21st Sep 2025522 AMAQI
21st Sep 2025523 AMAQI
21st Sep 2025504 AMAQI

20°C16/26°C

21st Sep 2025515 AMAQI
21st Sep 2025516 AMAQI
21st Sep 2025517 AMAQI
21st Sep 2025578 AMAQI
21st Sep 2025599 AMAQI
21st Sep 20254210 AMAQI
21st Sep 20256011 AMAQI
21st Sep 20255412 PMAQI
21st Sep 2025521 PMAQI
21st Sep 2025602 PMAQI
21st Sep 2025593 PMAQI
21st Sep 2025574 PMAQI
21st Sep 2025505 PMAQI
21st Sep 2025236 PMAQI
21st Sep 2025547 PMAQI
21st Sep 2025578 PMAQI
21st Sep 2025559 PMAQI
21st Sep 20255010 PMAQI
21st Sep 20254311 PMAQI
22nd Sep 20255412 AMAQI
22nd Sep 2025521 AMAQI
22nd Sep 2025522 AMAQI
22nd Sep 2025523 AMAQI
22nd Sep 2025534 AMAQI

21°C16/26°C

22nd Sep 2025535 AMAQI
22nd Sep 2025526 AMAQI
22nd Sep 2025527 AMAQI
22nd Sep 2025628 AMAQI
22nd Sep 2025709 AMAQI
22nd Sep 20256910 AMAQI
22nd Sep 20256811 AMAQI
22nd Sep 20256812 PMAQI
22nd Sep 2025651 PMAQI
22nd Sep 2025532 PMAQI
22nd Sep 2025683 PMAQI
22nd Sep 2025664 PMAQI
22nd Sep 2025475 PMAQI
22nd Sep 2025586 PMAQI
22nd Sep 2025427 PMAQI
22nd Sep 2025438 PMAQI
22nd Sep 2025489 PMAQI
22nd Sep 20255510 PMAQI
22nd Sep 20255511 PMAQI
23rd Sep 20255612 AMAQI
23rd Sep 2025531 AMAQI
23rd Sep 2025532 AMAQI
23rd Sep 2025543 AMAQI
23rd Sep 2025564 AMAQI

20°C18/25°C

23rd Sep 2025565 AMAQI
23rd Sep 2025566 AMAQI
23rd Sep 2025567 AMAQI
23rd Sep 2025418 AMAQI
23rd Sep 2025319 AMAQI
23rd Sep 20253910 AMAQI
23rd Sep 20253711 AMAQI
23rd Sep 20253612 PMAQI
23rd Sep 2025381 PMAQI
23rd Sep 2025362 PMAQI
23rd Sep 2025333 PMAQI
23rd Sep 2025454 PMAQI
23rd Sep 2025445 PMAQI
23rd Sep 2025376 PMAQI
23rd Sep 2025347 PMAQI
23rd Sep 2025488 PMAQI
23rd Sep 2025479 PMAQI
23rd Sep 20254110 PMAQI
23rd Sep 20254611 PMAQI
24th Sep 20254812 AMAQI
24th Sep 2025551 AMAQI
24th Sep 2025552 AMAQI
24th Sep 2025543 AMAQI
24th Sep 2025534 AMAQI

20°C17/24°C

24th Sep 2025535 AMAQI
24th Sep 2025536 AMAQI
24th Sep 2025537 AMAQI
24th Sep 2025478 AMAQI
24th Sep 2025419 AMAQI
24th Sep 20254510 AMAQI
24th Sep 20252511 AMAQI
24th Sep 20253012 PMAQI
24th Sep 2025441 PMAQI
24th Sep 2025332 PMAQI
24th Sep 2025203 PMAQI
24th Sep 2025424 PMAQI
24th Sep 2025435 PMAQI
24th Sep 2025486 PMAQI
24th Sep 2025507 PMAQI
24th Sep 2025508 PMAQI
24th Sep 2025489 PMAQI
24th Sep 20254610 PMAQI
24th Sep 20255211 PMAQI
25th Sep 20254612 AMAQI
25th Sep 2025531 AMAQI
25th Sep 2025532 AMAQI
25th Sep 2025533 AMAQI
25th Sep 2025524 AMAQI

18°C14/23°C

25th Sep 2025525 AMAQI
25th Sep 2025526 AMAQI
25th Sep 2025527 AMAQI
25th Sep 2025568 AMAQI
25th Sep 2025569 AMAQI
25th Sep 20254210 AMAQI
25th Sep 20255011 AMAQI
25th Sep 20253312 PMAQI
25th Sep 2025201 PMAQI
25th Sep 2025192 PMAQI
25th Sep 2025203 PMAQI
25th Sep 2025214 PMAQI
25th Sep 2025205 PMAQI
25th Sep 2025226 PMAQI
25th Sep 2025247 PMAQI
25th Sep 2025228 PMAQI
25th Sep 2025369 PMAQI
25th Sep 20253010 PMAQI
25th Sep 20252511 PMAQI
26th Sep 20251512 AMAQI
26th Sep 2025191 AMAQI
26th Sep 2025182 AMAQI
26th Sep 2025313 AMAQI
26th Sep 2025334 AMAQI

16°C14/19°C

26th Sep 2025205 AMAQI
26th Sep 2025216 AMAQI
26th Sep 2025207 AMAQI
26th Sep 2025228 AMAQI
26th Sep 2025159 AMAQI
26th Sep 20251710 AMAQI
26th Sep 20251911 AMAQI
26th Sep 20252012 PMAQI
26th Sep 2025221 PMAQI
26th Sep 2025222 PMAQI
26th Sep 2025203 PMAQI
26th Sep 2025224 PMAQI
26th Sep 2025205 PMAQI
26th Sep 2025216 PMAQI
26th Sep 2025207 PMAQI
26th Sep 2025218 PMAQI
26th Sep 2025209 PMAQI
26th Sep 20252910 PMAQI
26th Sep 20253111 PMAQI
27th Sep 20253612 AMAQI
27th Sep 2025281 AMAQI
27th Sep 2025312 AMAQI
27th Sep 2025433 AMAQI
27th Sep 2025504 AMAQI

17°C16/18°C

27th Sep 2025375 AMAQI
27th Sep 2025236 AMAQI
27th Sep 2025237 AMAQI
27th Sep 2025248 AMAQI
27th Sep 2025239 AMAQI
27th Sep 20252610 AMAQI
27th Sep 20252411 AMAQI
27th Sep 20253612 PMAQI
27th Sep 2025441 PMAQI
27th Sep 2025302 PMAQI
27th Sep 2025283 PMAQI
27th Sep 2025244 PMAQI
27th Sep 2025285 PMAQI
27th Sep 2025326 PMAQI
27th Sep 2025307 PMAQI
27th Sep 2025268 PMAQI
27th Sep 2025229 PMAQI
27th Sep 20252210 PMAQI
27th Sep 20252211 PMAQI
28th Sep 20252612 AMAQI
28th Sep 2025351 AMAQI
28th Sep 2025402 AMAQI
28th Sep 2025443 AMAQI
28th Sep 2025464 AMAQI

19°C16/24°C

28th Sep 2025485 AMAQI
28th Sep 2025446 AMAQI
28th Sep 2025407 AMAQI
28th Sep 2025398 AMAQI
28th Sep 2025369 AMAQI
28th Sep 20253110 AMAQI
28th Sep 20253511 AMAQI
28th Sep 20254112 PMAQI
28th Sep 2025281 PMAQI
28th Sep 2025272 PMAQI
28th Sep 2025303 PMAQI
28th Sep 2025394 PMAQI
28th Sep 2025405 PMAQI
28th Sep 2025446 PMAQI
28th Sep 2025437 PMAQI
28th Sep 2025388 PMAQI
28th Sep 2025329 PMAQI
28th Sep 20252610 PMAQI
28th Sep 20252211 PMAQI
29th Sep 20252212 AMAQI
29th Sep 2025171 AMAQI
29th Sep 2025112 AMAQI
29th Sep 2025113 AMAQI
29th Sep 2025184 AMAQI

19°C15/25°C

29th Sep 2025325 AMAQI
29th Sep 2025366 AMAQI
29th Sep 2025467 AMAQI
29th Sep 2025268 AMAQI
29th Sep 2025119 AMAQI
29th Sep 20251310 AMAQI
29th Sep 20253111 AMAQI
29th Sep 20251312 PMAQI
29th Sep 2025121 PMAQI
29th Sep 2025142 PMAQI
29th Sep 2025113 PMAQI
29th Sep 2025114 PMAQI
29th Sep 2025115 PMAQI
29th Sep 2025196 PMAQI
29th Sep 2025447 PMAQI
29th Sep 2025368 PMAQI
29th Sep 2025439 PMAQI
29th Sep 20253510 PMAQI
29th Sep 20253111 PMAQI
30th Sep 20253012 AMAQI
30th Sep 2025511 AMAQI
30th Sep 2025612 AMAQI
30th Sep 2025483 AMAQI
30th Sep 2025434 AMAQI

17°C15/19°C

30th Sep 2025305 AMAQI
30th Sep 2025226 AMAQI
30th Sep 2025187 AMAQI
30th Sep 2025178 AMAQI
30th Sep 2025209 AMAQI
30th Sep 20252310 AMAQI
30th Sep 20251811 AMAQI
30th Sep 20252012 PMAQI
30th Sep 2025231 PMAQI
30th Sep 2025332 PMAQI
30th Sep 2025293 PMAQI
30th Sep 2025264 PMAQI
30th Sep 2025235 PMAQI
30th Sep 2025226 PMAQI
30th Sep 2025277 PMAQI
30th Sep 2025348 PMAQI
30th Sep 2025389 PMAQI
30th Sep 20253510 PMAQI
30th Sep 20252911 PMAQI
1st Oct 20252312 AMAQI
1st Oct 2025181 AMAQI
1st Oct 2025212 AMAQI
1st Oct 2025173 AMAQI
1st Oct 2025174 AMAQI

19°C18/20°C

1st Oct 2025265 AMAQI
1st Oct 2025296 AMAQI
1st Oct 2025347 AMAQI
1st Oct 2025328 AMAQI
1st Oct 2025269 AMAQI
1st Oct 20252910 AMAQI
1st Oct 20252711 AMAQI
1st Oct 20252112 PMAQI
1st Oct 2025141 PMAQI
1st Oct 2025222 PMAQI
1st Oct 2025223 PMAQI
1st Oct 2025224 PMAQI
1st Oct 2025205 PMAQI
1st Oct 2025226 PMAQI
1st Oct 2025197 PMAQI
1st Oct 2025278 PMAQI
1st Oct 2025359 PMAQI
1st Oct 20254210 PMAQI
1st Oct 20254811 PMAQI
2nd Oct 20255212 AMAQI
2nd Oct 2025511 AMAQI
2nd Oct 2025452 AMAQI
2nd Oct 2025423 AMAQI
2nd Oct 2025434 AMAQI

19°C17/21°C

2nd Oct 2025395 AMAQI
2nd Oct 2025406 AMAQI
2nd Oct 2025367 AMAQI
2nd Oct 2025368 AMAQI
2nd Oct 2025299 AMAQI
2nd Oct 20252810 AMAQI
2nd Oct 20253011 AMAQI
2nd Oct 20253512 PMAQI
2nd Oct 2025421 PMAQI
2nd Oct 2025412 PMAQI
2nd Oct 2025413 PMAQI
2nd Oct 2025394 PMAQI
2nd Oct 2025425 PMAQI
2nd Oct 2025446 PMAQI
2nd Oct 2025517 PMAQI
2nd Oct 2025338 PMAQI
2nd Oct 2025319 PMAQI
2nd Oct 20253210 PMAQI
2nd Oct 20254811 PMAQI
3rd Oct 20255212 AMAQI
3rd Oct 2025501 AMAQI
3rd Oct 2025492 AMAQI
3rd Oct 2025523 AMAQI
3rd Oct 2025464 AMAQI

20°C17/26°C

3rd Oct 2025485 AMAQI
3rd Oct 2025466 AMAQI
3rd Oct 2025467 AMAQI
3rd Oct 2025458 AMAQI
3rd Oct 2025379 AMAQI
3rd Oct 20253410 AMAQI
3rd Oct 20253611 AMAQI
3rd Oct 20253912 PMAQI
3rd Oct 2025491 PMAQI
3rd Oct 2025492 PMAQI
3rd Oct 2025343 PMAQI
3rd Oct 2025304 PMAQI
3rd Oct 2025305 PMAQI
3rd Oct 2025306 PMAQI
3rd Oct 2025387 PMAQI
3rd Oct 2025578 PMAQI
3rd Oct 2025629 PMAQI
3rd Oct 20256410 PMAQI
3rd Oct 20256711 PMAQI
4th Oct 20256812 AMAQI
4th Oct 2025631 AMAQI
4th Oct 2025592 AMAQI
4th Oct 2025563 AMAQI
4th Oct 2025554 AMAQI

21°C18/26°C

4th Oct 2025545 AMAQI
4th Oct 2025516 AMAQI
4th Oct 2025467 AMAQI
4th Oct 2025468 AMAQI
4th Oct 2025469 AMAQI
4th Oct 20255110 AMAQI
4th Oct 20254911 AMAQI
4th Oct 20254712 PMAQI
4th Oct 2025481 PMAQI
4th Oct 2025532 PMAQI
4th Oct 2025533 PMAQI
4th Oct 2025524 PMAQI
4th Oct 2025545 PMAQI
4th Oct 2025516 PMAQI
4th Oct 2025547 PMAQI
4th Oct 2025618 PMAQI
4th Oct 2025619 PMAQI
4th Oct 20255810 PMAQI
4th Oct 20255811 PMAQI
5th Oct 20256812 AMAQI
5th Oct 2025691 AMAQI
5th Oct 2025752 AMAQI
5th Oct 2025743 AMAQI
5th Oct 2025724 AMAQI

21°C18/25°C

5th Oct 2025705 AMAQI
5th Oct 2025606 AMAQI
5th Oct 2025557 AMAQI
5th Oct 2025588 AMAQI
5th Oct 2025569 AMAQI
5th Oct 20255310 AMAQI
5th Oct 20255411 AMAQI
5th Oct 20255412 PMAQI
5th Oct 2025521 PMAQI
5th Oct 2025482 PMAQI
5th Oct 2025493 PMAQI
5th Oct 2025484 PMAQI
5th Oct 2025445 PMAQI
5th Oct 2025486 PMAQI
5th Oct 2025497 PMAQI
5th Oct 2025488 PMAQI
5th Oct 2025479 PMAQI
5th Oct 20256410 PMAQI
5th Oct 20256211 PMAQI
6th Oct 20256212 AMAQI
6th Oct 2025561 AMAQI
6th Oct 2025552 AMAQI
6th Oct 2025563 AMAQI
6th Oct 2025514 AMAQI

21°C17/26°C

6th Oct 2025455 AMAQI
6th Oct 2025426 AMAQI
6th Oct 2025367 AMAQI
6th Oct 2025488 AMAQI
6th Oct 2025609 AMAQI
6th Oct 20254010 AMAQI
6th Oct 20253911 AMAQI
6th Oct 20253412 PMAQI
6th Oct 2025541 PMAQI
6th Oct 2025452 PMAQI
6th Oct 2025463 PMAQI
6th Oct 2025524 PMAQI
6th Oct 2025555 PMAQI
6th Oct 2025566 PMAQI
6th Oct 2025587 PMAQI
6th Oct 2025608 PMAQI
6th Oct 2025569 PMAQI
6th Oct 20255510 PMAQI
6th Oct 20255611 PMAQI
7th Oct 20255412 AMAQI
7th Oct 2025541 AMAQI

18°C16/22°C

7th Oct 2025397 PMAQI
7th Oct 2025398 PMAQI
7th Oct 2025439 PMAQI
7th Oct 20254110 PMAQI
7th Oct 20254311 PMAQI
8th Oct 20254112 AMAQI
8th Oct 2025461 AMAQI
8th Oct 2025562 AMAQI
8th Oct 2025553 AMAQI
8th Oct 2025484 AMAQI

18°C18/19°C

8th Oct 2025345 AMAQI
8th Oct 2025306 AMAQI
8th Oct 2025327 AMAQI
8th Oct 2025328 AMAQI
8th Oct 2025329 AMAQI
8th Oct 20253010 AMAQI
8th Oct 20253311 AMAQI
8th Oct 20253312 PMAQI
8th Oct 2025391 PMAQI
8th Oct 2025402 PMAQI
8th Oct 2025453 PMAQI
8th Oct 2025464 PMAQI
8th Oct 2025505 PMAQI
8th Oct 2025416 PMAQI
8th Oct 2025367 PMAQI
8th Oct 2025378 PMAQI
8th Oct 2025419 PMAQI
8th Oct 20254410 PMAQI
8th Oct 20255411 PMAQI
9th Oct 20255912 AMAQI
9th Oct 2025581 AMAQI
9th Oct 2025582 AMAQI
9th Oct 2025623 AMAQI
9th Oct 2025584 AMAQI

19°C16/22°C

9th Oct 2025565 AMAQI
9th Oct 2025566 AMAQI
9th Oct 2025567 AMAQI
9th Oct 2025548 AMAQI
9th Oct 2025549 AMAQI
9th Oct 20255410 AMAQI
9th Oct 20255011 AMAQI
9th Oct 20254812 PMAQI
9th Oct 2025511 PMAQI
9th Oct 2025472 PMAQI
9th Oct 2025413 PMAQI
9th Oct 2025354 PMAQI
9th Oct 2025355 PMAQI
9th Oct 2025426 PMAQI
9th Oct 2025487 PMAQI
9th Oct 2025538 PMAQI
9th Oct 2025429 PMAQI
9th Oct 20253710 PMAQI
9th Oct 20254911 PMAQI
10th Oct 20255412 AMAQI
10th Oct 2025551 AMAQI
10th Oct 2025542 AMAQI
10th Oct 2025643 AMAQI
10th Oct 2025674 AMAQI

19°C15/24°C

10th Oct 2025705 AMAQI
10th Oct 2025726 AMAQI
10th Oct 2025757 AMAQI
10th Oct 2025708 AMAQI
10th Oct 2025669 AMAQI
10th Oct 20255710 AMAQI
10th Oct 20255611 AMAQI
10th Oct 20255512 PMAQI
10th Oct 2025481 PMAQI
10th Oct 2025462 PMAQI
10th Oct 2025423 PMAQI
10th Oct 2025454 PMAQI
10th Oct 2025425 PMAQI
10th Oct 2025526 PMAQI
10th Oct 2025567 PMAQI
10th Oct 2025588 PMAQI
10th Oct 2025599 PMAQI
10th Oct 20255610 PMAQI
10th Oct 20254311 PMAQI
11th Oct 20254712 AMAQI
11th Oct 2025531 AMAQI
11th Oct 2025752 AMAQI
11th Oct 2025843 AMAQI
11th Oct 2025904 AMAQI

18°C13/25°C

11th Oct 2025895 AMAQI
11th Oct 2025876 AMAQI
11th Oct 2025857 AMAQI
11th Oct 2025888 AMAQI
11th Oct 2025819 AMAQI
11th Oct 20258110 AMAQI
11th Oct 20257811 AMAQI
11th Oct 20257612 PMAQI
11th Oct 2025741 PMAQI
11th Oct 2025692 PMAQI
11th Oct 2025593 PMAQI
11th Oct 2025564 PMAQI
11th Oct 2025555 PMAQI
11th Oct 2025586 PMAQI
11th Oct 2025617 PMAQI
11th Oct 2025658 PMAQI
11th Oct 2025749 PMAQI
11th Oct 20256310 PMAQI
11th Oct 20257011 PMAQI
12th Oct 20257212 AMAQI
12th Oct 2025681 AMAQI
12th Oct 2025782 AMAQI
12th Oct 2025853 AMAQI
12th Oct 2025894 AMAQI

18°C14/25°C

12th Oct 2025945 AMAQI
12th Oct 2025946 AMAQI
12th Oct 2025927 AMAQI
12th Oct 2025908 AMAQI
12th Oct 2025809 AMAQI
12th Oct 20257210 AMAQI
12th Oct 20257011 AMAQI
12th Oct 20256312 PMAQI
12th Oct 2025751 PMAQI
12th Oct 2025842 PMAQI
12th Oct 2025583 PMAQI
12th Oct 2025394 PMAQI
12th Oct 2025565 PMAQI
12th Oct 2025616 PMAQI
12th Oct 2025707 PMAQI
12th Oct 2025798 PMAQI
12th Oct 2025729 PMAQI
12th Oct 20256210 PMAQI
12th Oct 20255211 PMAQI
13th Oct 20255612 AMAQI
13th Oct 2025621 AMAQI
13th Oct 2025712 AMAQI
13th Oct 2025743 AMAQI
13th Oct 2025784 AMAQI

19°C14/25°C

13th Oct 2025755 AMAQI
5 AM
13th Oct 2025806 AMAQI
13th Oct 2025807 AMAQI
13th Oct 2025888 AMAQI
13th Oct 2025719 AMAQI
13th Oct 20256410 AMAQI
13th Oct 20256611 AMAQI
11 AM
13th Oct 20257612 PMAQI
13th Oct 2025761 PMAQI
13th Oct 2025672 PMAQI
13th Oct 2025583 PMAQI
13th Oct 2025624 PMAQI
13th Oct 2025635 PMAQI
5 PM
13th Oct 2025686 PMAQI
13th Oct 2025747 PMAQI
13th Oct 2025738 PMAQI
13th Oct 2025759 PMAQI
13th Oct 20256610 PMAQI
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 8 AM

50AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
3 PM - 5 PM

40AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 50), while the lowest AQI was between 3 PM to 5 PM (Avg. 40).
Night time
Avg. Highest Time
2 AM - 4 AM

52AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
6 PM

39AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 4 AM (Avg. 52), while the lowest AQI was between 6 PM to 6 PM (Avg. 39).

2025 Days Vs Air Quality

State Water Authority, Kaihua, Yunnan, China

2025

38%

108

50%

142

12%

33

0.7%

2

Total number of days with different AQI categories in last 286 days in 2025 (79 days remaining)

Good
108 Days
Moderate
142 Days
Poor
33 Days
Unhealthy
2 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 38%

Health Risk Level:

High

In 2025, 38% of 286 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.

Annual Air Quality Insights

State Water Authority, Kaihua, 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.

-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
88AQI
2nd January 2025
92AQI
3rd January 2025
113AQI
4th January 2025
120AQI
5th January 2025
107AQI
6th January 2025
141AQI
7th January 2025
142AQI
8th January 2025
152AQI
9th January 2025
132AQI
10th January 2025
89AQI
11th January 2025
91AQI
12th January 2025
89AQI
13th January 2025
93AQI
14th January 2025
108AQI
15th January 2025
126AQI
16th January 2025
129AQI
17th January 2025
139AQI
18th January 2025
152AQI
19th January 2025
119AQI
20th January 2025
116AQI
21st January 2025
143AQI
22nd January 2025
138AQI
23rd January 2025
101AQI
24th January 2025
91AQI
25th January 2025
84AQI
26th January 2025
63AQI
27th January 2025
72AQI
28th January 2025
86AQI
29th January 2025
93AQI
30th January 2025
83AQI
31st January 2025
83AQI
1st February 2025
81AQI
2nd February 2025
88AQI
3rd February 2025
59AQI
4th February 2025
79AQI
5th February 2025
104AQI
6th February 2025
85AQI
7th February 2025
68AQI
8th February 2025
67AQI
9th February 2025
56AQI
10th February 2025
70AQI
11th February 2025
72AQI
12th February 2025
92AQI
13th February 2025
76AQI
14th February 2025
61AQI
15th February 2025
59AQI
16th February 2025
64AQI
17th February 2025
48AQI
18th February 2025
42AQI
19th February 2025
47AQI
20th February 2025
44AQI
21st February 2025
39AQI
22nd February 2025
40AQI
23rd February 2025
37AQI
24th February 2025
27AQI
25th February 2025
32AQI
26th February 2025
29AQI
27th February 2025
36AQI
28th February 2025
47AQI
1st March 2025
43AQI
2nd March 2025
49AQI
3rd March 2025
67AQI
4th March 2025
69AQI
5th March 2025
84AQI
6th March 2025
60AQI
7th March 2025
65AQI
8th March 2025
60AQI
9th March 2025
57AQI
10th March 2025
57AQI
11th March 2025
63AQI
12th March 2025
61AQI
13th March 2025
69AQI
14th March 2025
91AQI
15th March 2025
100AQI
16th March 2025
68AQI
17th March 2025
84AQI
18th March 2025
61AQI
19th March 2025
78AQI
20th March 2025
78AQI
21st March 2025
95AQI
22nd March 2025
124AQI
23rd March 2025
122AQI
24th March 2025
120AQI
25th March 2025
122AQI
26th March 2025
113AQI
27th March 2025
112AQI
28th March 2025
137AQI
29th March 2025
135AQI
30th March 2025
93AQI
31st March 2025
81AQI
1st April 2025
87AQI
2nd April 2025
96AQI
3rd April 2025
108AQI
4th April 2025
138AQI
5th April 2025
139AQI
6th April 2025
92AQI
7th April 2025
104AQI
8th April 2025
97AQI
9th April 2025
105AQI
10th April 2025
106AQI
11th April 2025
104AQI
12th April 2025
99AQI
13th April 2025
121AQI
14th April 2025
104AQI
15th April 2025
94AQI
16th April 2025
80AQI
17th April 2025
70AQI
18th April 2025
65AQI
19th April 2025
67AQI
20th April 2025
70AQI
21st April 2025
61AQI
22nd April 2025
64AQI
23rd April 2025
76AQI
24th April 2025
81AQI
25th April 2025
72AQI
26th April 2025
81AQI
27th April 2025
89AQI
28th April 2025
72AQI
29th April 2025
76AQI
30th April 2025
72AQI
1st May 2025
75AQI
2nd May 2025
72AQI
3rd May 2025
60AQI
4th May 2025
53AQI
5th May 2025
57AQI
6th May 2025
64AQI
7th May 2025
68AQI
8th May 2025
69AQI
9th May 2025
72AQI
10th May 2025
62AQI
11th May 2025
53AQI
12th May 2025
55AQI
13th May 2025
61AQI
14th May 2025
73AQI
15th May 2025
52AQI
16th May 2025
55AQI
17th May 2025
53AQI
18th May 2025
49AQI
19th May 2025
51AQI
20th May 2025
51AQI
21st May 2025
57AQI
22nd May 2025
57AQI
23rd May 2025
68AQI
24th May 2025
64AQI
25th May 2025
56AQI
26th May 2025
52AQI
27th May 2025
45AQI
28th May 2025
42AQI
29th May 2025
45AQI
30th May 2025
38AQI
31st May 2025
41AQI
1st June 2025
42AQI
2nd June 2025
41AQI
3rd June 2025
46AQI
4th June 2025
56AQI
5th June 2025
48AQI
6th June 2025
60AQI
7th June 2025
58AQI
8th June 2025
52AQI
9th June 2025
57AQI
10th June 2025
65AQI
11th June 2025
67AQI
12th June 2025
62AQI
13th June 2025
58AQI
14th June 2025
62AQI
15th June 2025
59AQI
16th June 2025
48AQI
17th June 2025
47AQI
18th June 2025
42AQI
19th June 2025
44AQI
20th June 2025
45AQI
21st June 2025
40AQI
22nd June 2025
27AQI
23rd June 2025
34AQI
24th June 2025
34AQI
25th June 2025
32AQI
26th June 2025
33AQI
27th June 2025
32AQI
28th June 2025
39AQI
29th June 2025
32AQI
30th June 2025
34AQI
1st July 2025
34AQI
2nd July 2025
35AQI
3rd July 2025
35AQI
4th July 2025
36AQI
5th July 2025
37AQI
6th July 2025
47AQI
7th July 2025
48AQI
8th July 2025
50AQI
9th July 2025
48AQI
10th July 2025
45AQI
11th July 2025
46AQI
12th July 2025
53AQI
13th July 2025
53AQI
14th July 2025
56AQI
15th July 2025
52AQI
16th July 2025
53AQI
17th July 2025
48AQI
18th July 2025
55AQI
19th July 2025
54AQI
20th July 2025
57AQI
21st July 2025
50AQI
22nd July 2025
41AQI
23rd July 2025
38AQI
24th July 2025
37AQI
25th July 2025
37AQI
26th July 2025
35AQI
27th July 2025
47AQI
28th July 2025
57AQI
29th July 2025
61AQI
30th July 2025
60AQI
31st July 2025
57AQI
1st August 2025
55AQI
2nd August 2025
57AQI
3rd August 2025
53AQI
4th August 2025
50AQI
5th August 2025
55AQI
6th August 2025
55AQI
7th August 2025
47AQI
8th August 2025
44AQI
9th August 2025
44AQI
10th August 2025
44AQI
11th August 2025
47AQI
12th August 2025
51AQI
13th August 2025
52AQI
14th August 2025
59AQI
15th August 2025
57AQI
16th August 2025
48AQI
17th August 2025
45AQI
18th August 2025
51AQI
19th August 2025
47AQI
20th August 2025
49AQI
21st August 2025
44AQI
22nd August 2025
46AQI
23rd August 2025
41AQI
24th August 2025
42AQI
25th August 2025
43AQI
26th August 2025
45AQI
27th August 2025
45AQI
28th August 2025
43AQI
29th August 2025
43AQI
30th August 2025
45AQI
31st August 2025
45AQI
1st September 2025
48AQI
2nd September 2025
47AQI
3rd September 2025
52AQI
4th September 2025
43AQI
5th September 2025
49AQI
6th September 2025
55AQI
7th September 2025
56AQI
8th September 2025
55AQI
9th September 2025
52AQI
10th September 2025
46AQI
11th September 2025
45AQI
12th September 2025
42AQI
13th September 2025
44AQI
14th September 2025
49AQI
15th September 2025
50AQI
16th September 2025
47AQI
17th September 2025
50AQI
18th September 2025
43AQI
19th September 2025
46AQI
20th September 2025
47AQI
21st September 2025
51AQI
22nd September 2025
55AQI
23rd September 2025
46AQI
24th September 2025
46AQI
25th September 2025
35AQI
26th September 2025
22AQI
27th September 2025
30AQI
28th September 2025
37AQI
29th September 2025
24AQI
30th September 2025
31AQI
1st October 2025
26AQI
2nd October 2025
40AQI
3rd October 2025
46AQI
4th October 2025
54AQI
5th October 2025
59AQI
6th October 2025
53AQI
7th October 2025
45AQI
8th October 2025
41AQI
9th October 2025
50AQI
10th October 2025
57AQI
11th October 2025
71AQI
12th October 2025
76AQI
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

109AQI

59AQI

84AQI

90AQI

57AQI

47AQI

47AQI

48AQI

45AQI

52AQI

No. of days

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

202565AQI

14
15
2
12
15
1
2
21
8
21
9
6
25
19
11
19
12
21
10
23
7
6
6
108
142
33
2

Highest AQI recorded in

January

109AQI

Lowest AQI recorded in

September

45AQI

202466AQI

11
3
1
12
10
1
8
16
6
9
20
2
23
7
30
1
20
11
12
18
8
22
1
1
26
3
1
17
13
115
145
46
7

Highest AQI recorded in

April

117AQI

Lowest AQI recorded in

January

30AQI

202376AQI

18
11
2
17
10
1
17
12
2
9
15
6
1
29
1
13
17
18
13
23
8
12
18
5
26
6
10
10
4
16
11
82
198
70
11

Highest AQI recorded in

April

120AQI

Lowest AQI recorded in

August

46AQI

202269AQI

8
23
4
13
4
1
21
9
4
10
15
1
17
13
1
24
6
17
6
1
12
17
8
18
5
5
19
6
9
13
8
1
110
159
48
2

Highest AQI recorded in

April

97AQI

Lowest AQI recorded in

August

38AQI

202172AQI

1
13
16
1
1
21
6
7
21
3
5
13
8
4
8
23
21
8
1
18
13
12
9
18
12
17
14
10
17
3
4
14
13
115
164
68
8

Highest AQI recorded in

March

119AQI

Lowest AQI recorded in

July

46AQI

202065AQI

8
5
2
8
11
3
15
20
10
24
7
21
10
19
10
1
9
22
5
21
4
4
20
7
107
123
31
5

Highest AQI recorded in

March

144AQI

Lowest AQI recorded in

July

42AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
76AQI
Least Polluted Year Recorded
2025(Avg.)
65AQI

State Water Authority's annual 2025 AQI (65) shows an average percentage change of -6.7% (improved AQI) compared to previous years: 2020 (65), 2021 (72), 2022 (69), 2023 (76), 2024 (66).