Dayan, 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
Dayan, Yunnan, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2021
69AQILowest AQI recorded on
17th Aug 2021
28AQISame Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 51 of Moderate air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Dayan, Yunnan, China
AQI
Day
Night
.
5 AM4th Aug 2025
7 PM
4 AM5th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
11PM4th Aug
58AQI
Avg. Lowest Time
8AM4th Aug
35AQI
In the last 24 hours,
Dayan's AQI reached its highest point of 58 at 11 PM during the Night, while the lowest point, 35, was recorded at 8 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Dayan, Yunnan, China
JulAug
06th - 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 - 05th05th
Day
Night
6th Jul 2025465 AMAQI
6th Jul 2025476 AMAQI
6th Jul 2025487 AMAQI
6th Jul 2025358 AMAQI
6th Jul 2025319 AMAQI
6th Jul 20254410 AMAQI
6th Jul 20254611 AMAQI
6th Jul 20254212 PMAQI
6th Jul 2025371 PMAQI
6th Jul 2025382 PMAQI
6th Jul 2025383 PMAQI
6th Jul 2025334 PMAQI
6th Jul 2025295 PMAQI
6th Jul 2025306 PMAQI
6th Jul 2025367 PMAQI
6th Jul 2025458 PMAQI
6th Jul 2025459 PMAQI
6th Jul 20254310 PMAQI
6th Jul 20254311 PMAQI
7th Jul 20254612 AMAQI
7th Jul 2025481 AMAQI
7th Jul 2025492 AMAQI
7th Jul 2025483 AMAQI
7th Jul 2025494 AMAQI
14°C12/17°C
7th Jul 2025475 AMAQI
7th Jul 2025476 AMAQI
7th Jul 2025467 AMAQI
7th Jul 2025368 AMAQI
7th Jul 2025299 AMAQI
7th Jul 20253410 AMAQI
7th Jul 20253711 AMAQI
7th Jul 20254212 PMAQI
7th Jul 2025361 PMAQI
7th Jul 2025332 PMAQI
7th Jul 2025323 PMAQI
7th Jul 2025414 PMAQI
7th Jul 2025375 PMAQI
7th Jul 2025356 PMAQI
7th Jul 2025337 PMAQI
7th Jul 2025408 PMAQI
7th Jul 2025439 PMAQI
7th Jul 20254810 PMAQI
7th Jul 20255111 PMAQI
8th Jul 20254412 AMAQI
8th Jul 2025481 AMAQI
8th Jul 2025482 AMAQI
8th Jul 2025463 AMAQI
8th Jul 2025454 AMAQI
14°C13/17°C
8th Jul 2025455 AMAQI
8th Jul 2025456 AMAQI
8th Jul 2025457 AMAQI
8th Jul 2025318 AMAQI
8th Jul 2025319 AMAQI
8th Jul 20253610 AMAQI
8th Jul 20253711 AMAQI
8th Jul 20253212 PMAQI
8th Jul 2025301 PMAQI
8th Jul 2025312 PMAQI
8th Jul 2025323 PMAQI
8th Jul 2025304 PMAQI
8th Jul 2025305 PMAQI
8th Jul 2025416 PMAQI
8th Jul 2025527 PMAQI
8th Jul 2025418 PMAQI
8th Jul 2025479 PMAQI
8th Jul 20254910 PMAQI
8th Jul 20255011 PMAQI
9th Jul 20255112 AMAQI
9th Jul 2025461 AMAQI
9th Jul 2025462 AMAQI
9th Jul 2025463 AMAQI
9th Jul 2025434 AMAQI
16°C11/22°C
9th Jul 2025435 AMAQI
9th Jul 2025436 AMAQI
9th Jul 2025447 AMAQI
9th Jul 2025348 AMAQI
9th Jul 2025419 AMAQI
9th Jul 20254810 AMAQI
9th Jul 20253011 AMAQI
9th Jul 20253312 PMAQI
9th Jul 2025331 PMAQI
9th Jul 2025302 PMAQI
9th Jul 2025313 PMAQI
9th Jul 2025314 PMAQI
9th Jul 2025365 PMAQI
9th Jul 2025406 PMAQI
9th Jul 2025487 PMAQI
9th Jul 2025488 PMAQI
9th Jul 2025509 PMAQI
9th Jul 20254910 PMAQI
9th Jul 20255211 PMAQI
10th Jul 20255212 AMAQI
10th Jul 2025461 AMAQI
10th Jul 2025462 AMAQI
10th Jul 2025453 AMAQI
10th Jul 2025444 AMAQI
18°C12/26°C
10th Jul 2025445 AMAQI
10th Jul 2025446 AMAQI
10th Jul 2025437 AMAQI
10th Jul 2025308 AMAQI
10th Jul 2025359 AMAQI
10th Jul 20254110 AMAQI
10th Jul 20253811 AMAQI
10th Jul 20253612 PMAQI
10th Jul 2025361 PMAQI
10th Jul 2025332 PMAQI
10th Jul 2025383 PMAQI
10th Jul 2025384 PMAQI
10th Jul 2025405 PMAQI
10th Jul 2025416 PMAQI
10th Jul 2025477 PMAQI
10th Jul 2025528 PMAQI
10th Jul 2025529 PMAQI
10th Jul 20255310 PMAQI
10th Jul 20255211 PMAQI
11th Jul 20255312 AMAQI
11th Jul 2025471 AMAQI
11th Jul 2025462 AMAQI
11th Jul 2025443 AMAQI
11th Jul 2025444 AMAQI
19°C12/28°C
11th Jul 2025445 AMAQI
11th Jul 2025456 AMAQI
11th Jul 2025447 AMAQI
11th Jul 2025468 AMAQI
11th Jul 2025549 AMAQI
11th Jul 20255010 AMAQI
11th Jul 20254611 AMAQI
11th Jul 20254812 PMAQI
11th Jul 2025451 PMAQI
11th Jul 2025422 PMAQI
11th Jul 2025423 PMAQI
11th Jul 2025454 PMAQI
11th Jul 2025495 PMAQI
11th Jul 2025516 PMAQI
11th Jul 2025537 PMAQI
11th Jul 2025528 PMAQI
11th Jul 2025549 PMAQI
11th Jul 20255810 PMAQI
11th Jul 20256011 PMAQI
12th Jul 20255912 AMAQI
12th Jul 2025491 AMAQI
12th Jul 2025482 AMAQI
12th Jul 2025483 AMAQI
12th Jul 2025484 AMAQI
19°C13/27°C
12th Jul 2025485 AMAQI
12th Jul 2025486 AMAQI
12th Jul 2025487 AMAQI
12th Jul 2025378 AMAQI
12th Jul 2025359 AMAQI
12th Jul 20253710 AMAQI
12th Jul 20253511 AMAQI
12th Jul 20254212 PMAQI
12th Jul 2025401 PMAQI
12th Jul 2025412 PMAQI
12th Jul 2025423 PMAQI
12th Jul 2025424 PMAQI
12th Jul 2025425 PMAQI
12th Jul 2025416 PMAQI
12th Jul 2025437 PMAQI
12th Jul 2025488 PMAQI
12th Jul 2025509 PMAQI
12th Jul 20255410 PMAQI
12th Jul 20255611 PMAQI
13th Jul 20255512 AMAQI
13th Jul 2025521 AMAQI
13th Jul 2025522 AMAQI
13th Jul 2025513 AMAQI
13th Jul 2025504 AMAQI
17°C14/24°C
13th Jul 2025505 AMAQI
13th Jul 2025516 AMAQI
13th Jul 2025517 AMAQI
13th Jul 2025538 AMAQI
13th Jul 2025549 AMAQI
13th Jul 20255410 AMAQI
13th Jul 20255011 AMAQI
13th Jul 20255512 PMAQI
13th Jul 2025551 PMAQI
13th Jul 2025522 PMAQI
13th Jul 2025493 PMAQI
13th Jul 2025514 PMAQI
13th Jul 2025495 PMAQI
13th Jul 2025456 PMAQI
13th Jul 2025497 PMAQI
13th Jul 2025538 PMAQI
13th Jul 2025549 PMAQI
13th Jul 20255710 PMAQI
13th Jul 20255711 PMAQI
14th Jul 20255712 AMAQI
14th Jul 2025531 AMAQI
14th Jul 2025522 AMAQI
14th Jul 2025523 AMAQI
14th Jul 2025524 AMAQI
18°C12/26°C
14th Jul 2025525 AMAQI
14th Jul 2025526 AMAQI
14th Jul 2025527 AMAQI
14th Jul 2025548 AMAQI
14th Jul 2025549 AMAQI
14th Jul 20255510 AMAQI
14th Jul 20255311 AMAQI
14th Jul 20255412 PMAQI
14th Jul 2025541 PMAQI
14th Jul 2025542 PMAQI
14th Jul 2025573 PMAQI
14th Jul 2025534 PMAQI
14th Jul 2025565 PMAQI
14th Jul 2025606 PMAQI
14th Jul 2025567 PMAQI
14th Jul 2025588 PMAQI
14th Jul 2025609 PMAQI
14th Jul 20256110 PMAQI
14th Jul 20256111 PMAQI
15th Jul 20256112 AMAQI
15th Jul 2025551 AMAQI
15th Jul 2025532 AMAQI
15th Jul 2025533 AMAQI
15th Jul 2025534 AMAQI
19°C13/26°C
15th Jul 2025535 AMAQI
15th Jul 2025546 AMAQI
15th Jul 2025537 AMAQI
15th Jul 2025438 AMAQI
15th Jul 2025299 AMAQI
15th Jul 20253010 AMAQI
15th Jul 20252811 AMAQI
15th Jul 20252812 PMAQI
15th Jul 2025371 PMAQI
15th Jul 2025412 PMAQI
15th Jul 2025413 PMAQI
15th Jul 2025384 PMAQI
15th Jul 2025315 PMAQI
15th Jul 2025306 PMAQI
15th Jul 2025457 PMAQI
15th Jul 2025558 PMAQI
15th Jul 2025579 PMAQI
15th Jul 20255910 PMAQI
15th Jul 20255811 PMAQI
16th Jul 20256012 AMAQI
16th Jul 2025541 AMAQI
16th Jul 2025552 AMAQI
16th Jul 2025543 AMAQI
16th Jul 2025534 AMAQI
19°C14/28°C
16th Jul 2025535 AMAQI
16th Jul 2025536 AMAQI
16th Jul 2025537 AMAQI
16th Jul 2025468 AMAQI
16th Jul 2025519 AMAQI
16th Jul 20255110 AMAQI
16th Jul 20255011 AMAQI
16th Jul 20255412 PMAQI
16th Jul 2025561 PMAQI
16th Jul 2025592 PMAQI
16th Jul 2025563 PMAQI
16th Jul 2025564 PMAQI
16th Jul 2025525 PMAQI
16th Jul 2025526 PMAQI
16th Jul 2025557 PMAQI
16th Jul 2025558 PMAQI
16th Jul 2025569 PMAQI
16th Jul 20255810 PMAQI
16th Jul 20256211 PMAQI
17th Jul 20255912 AMAQI
17th Jul 2025551 AMAQI
17th Jul 2025552 AMAQI
17th Jul 2025553 AMAQI
17th Jul 2025544 AMAQI
19°C13/28°C
17th Jul 2025545 AMAQI
17th Jul 2025546 AMAQI
17th Jul 2025547 AMAQI
17th Jul 2025568 AMAQI
17th Jul 2025589 AMAQI
17th Jul 20255610 AMAQI
17th Jul 20255411 AMAQI
17th Jul 20255512 PMAQI
17th Jul 2025551 PMAQI
17th Jul 2025552 PMAQI
17th Jul 2025543 PMAQI
17th Jul 2025544 PMAQI
17th Jul 2025555 PMAQI
17th Jul 2025556 PMAQI
17th Jul 2025577 PMAQI
17th Jul 2025588 PMAQI
17th Jul 2025599 PMAQI
17th Jul 20256110 PMAQI
17th Jul 20256211 PMAQI
18th Jul 20256112 AMAQI
18th Jul 2025551 AMAQI
18th Jul 2025562 AMAQI
18th Jul 2025563 AMAQI
18th Jul 2025554 AMAQI
20°C13/28°C
18th Jul 2025555 AMAQI
18th Jul 2025556 AMAQI
18th Jul 2025557 AMAQI
18th Jul 2025578 AMAQI
18th Jul 2025629 AMAQI
18th Jul 20256210 AMAQI
18th Jul 20256411 AMAQI
18th Jul 20256312 PMAQI
18th Jul 2025611 PMAQI
18th Jul 2025582 PMAQI
18th Jul 2025583 PMAQI
18th Jul 2025524 PMAQI
18th Jul 2025535 PMAQI
18th Jul 2025546 PMAQI
18th Jul 2025567 PMAQI
18th Jul 2025578 PMAQI
18th Jul 2025589 PMAQI
18th Jul 20256110 PMAQI
18th Jul 20256111 PMAQI
19th Jul 20256112 AMAQI
19th Jul 2025561 AMAQI
19th Jul 2025562 AMAQI
19th Jul 2025573 AMAQI
19th Jul 2025574 AMAQI
20°C14/27°C
19th Jul 2025575 AMAQI
19th Jul 2025576 AMAQI
19th Jul 2025577 AMAQI
19th Jul 2025468 AMAQI
19th Jul 2025519 AMAQI
19th Jul 20254510 AMAQI
19th Jul 20254011 AMAQI
19th Jul 20253612 PMAQI
19th Jul 2025321 PMAQI
19th Jul 2025332 PMAQI
19th Jul 2025363 PMAQI
19th Jul 2025354 PMAQI
19th Jul 2025245 PMAQI
19th Jul 2025236 PMAQI
19th Jul 2025427 PMAQI
19th Jul 2025498 PMAQI
19th Jul 2025509 PMAQI
19th Jul 20255910 PMAQI
19th Jul 20256211 PMAQI
20th Jul 20256112 AMAQI
20th Jul 2025561 AMAQI
20th Jul 2025562 AMAQI
20th Jul 2025563 AMAQI
20th Jul 2025544 AMAQI
16°C14/20°C
20th Jul 2025545 AMAQI
20th Jul 2025546 AMAQI
20th Jul 2025547 AMAQI
20th Jul 2025528 AMAQI
20th Jul 2025559 AMAQI
20th Jul 20255210 AMAQI
20th Jul 20255111 AMAQI
20th Jul 20255212 PMAQI
20th Jul 2025511 PMAQI
20th Jul 2025432 PMAQI
20th Jul 2025423 PMAQI
20th Jul 2025394 PMAQI
20th Jul 2025375 PMAQI
20th Jul 2025386 PMAQI
20th Jul 2025467 PMAQI
20th Jul 2025518 PMAQI
20th Jul 2025549 PMAQI
20th Jul 20255810 PMAQI
20th Jul 20255911 PMAQI
21st Jul 20255612 AMAQI
21st Jul 2025551 AMAQI
21st Jul 2025552 AMAQI
21st Jul 2025553 AMAQI
21st Jul 2025554 AMAQI
18°C12/26°C
21st Jul 2025555 AMAQI
21st Jul 2025556 AMAQI
21st Jul 2025557 AMAQI
21st Jul 2025448 AMAQI
21st Jul 2025439 AMAQI
21st Jul 20254710 AMAQI
21st Jul 20254511 AMAQI
21st Jul 20254112 PMAQI
21st Jul 2025351 PMAQI
21st Jul 2025322 PMAQI
21st Jul 2025253 PMAQI
21st Jul 2025304 PMAQI
21st Jul 2025315 PMAQI
21st Jul 2025366 PMAQI
21st Jul 2025437 PMAQI
21st Jul 2025498 PMAQI
21st Jul 2025519 PMAQI
21st Jul 20255610 PMAQI
21st Jul 20255711 PMAQI
22nd Jul 20255712 AMAQI
22nd Jul 2025551 AMAQI
22nd Jul 2025552 AMAQI
22nd Jul 2025543 AMAQI
22nd Jul 2025534 AMAQI
19°C13/28°C
22nd Jul 2025525 AMAQI
22nd Jul 2025536 AMAQI
22nd Jul 2025537 AMAQI
22nd Jul 2025448 AMAQI
22nd Jul 2025379 AMAQI
22nd Jul 20253510 AMAQI
22nd Jul 20253511 AMAQI
22nd Jul 20253312 PMAQI
22nd Jul 2025431 PMAQI
22nd Jul 2025412 PMAQI
22nd Jul 2025303 PMAQI
22nd Jul 2025284 PMAQI
22nd Jul 2025305 PMAQI
22nd Jul 2025296 PMAQI
22nd Jul 2025377 PMAQI
22nd Jul 2025478 PMAQI
22nd Jul 2025539 PMAQI
22nd Jul 20255310 PMAQI
22nd Jul 20255511 PMAQI
23rd Jul 20255512 AMAQI
23rd Jul 2025541 AMAQI
23rd Jul 2025542 AMAQI
23rd Jul 2025533 AMAQI
23rd Jul 2025524 AMAQI
19°C13/28°C
23rd Jul 2025525 AMAQI
23rd Jul 2025526 AMAQI
23rd Jul 2025527 AMAQI
23rd Jul 2025348 AMAQI
23rd Jul 2025349 AMAQI
23rd Jul 20253810 AMAQI
23rd Jul 20253411 AMAQI
23rd Jul 20252512 PMAQI
23rd Jul 2025281 PMAQI
23rd Jul 2025332 PMAQI
23rd Jul 2025353 PMAQI
23rd Jul 2025534 PMAQI
23rd Jul 2025395 PMAQI
23rd Jul 2025326 PMAQI
23rd Jul 2025357 PMAQI
23rd Jul 2025458 PMAQI
23rd Jul 2025479 PMAQI
23rd Jul 20255010 PMAQI
23rd Jul 20255111 PMAQI
24th Jul 20254912 AMAQI
24th Jul 2025481 AMAQI
24th Jul 2025522 AMAQI
24th Jul 2025523 AMAQI
24th Jul 2025504 AMAQI
18°C13/26°C
24th Jul 2025515 AMAQI
24th Jul 2025516 AMAQI
24th Jul 2025517 AMAQI
24th Jul 2025468 AMAQI
24th Jul 2025379 AMAQI
24th Jul 20253410 AMAQI
24th Jul 20253211 AMAQI
24th Jul 20252912 PMAQI
24th Jul 2025301 PMAQI
24th Jul 2025292 PMAQI
24th Jul 2025313 PMAQI
24th Jul 2025374 PMAQI
24th Jul 2025365 PMAQI
24th Jul 2025286 PMAQI
24th Jul 2025377 PMAQI
24th Jul 2025458 PMAQI
24th Jul 2025469 PMAQI
24th Jul 20255210 PMAQI
24th Jul 20255411 PMAQI
25th Jul 20255312 AMAQI
25th Jul 2025521 AMAQI
25th Jul 2025512 AMAQI
25th Jul 2025503 AMAQI
25th Jul 2025484 AMAQI
18°C15/24°C
25th Jul 2025485 AMAQI
25th Jul 2025486 AMAQI
25th Jul 2025487 AMAQI
25th Jul 2025408 AMAQI
25th Jul 2025349 AMAQI
25th Jul 20253610 AMAQI
25th Jul 20253511 AMAQI
25th Jul 20253712 PMAQI
25th Jul 2025331 PMAQI
25th Jul 2025332 PMAQI
25th Jul 2025303 PMAQI
25th Jul 2025414 PMAQI
25th Jul 2025395 PMAQI
25th Jul 2025416 PMAQI
25th Jul 2025497 PMAQI
25th Jul 2025538 PMAQI
25th Jul 2025539 PMAQI
25th Jul 20255510 PMAQI
25th Jul 20255811 PMAQI
26th Jul 20255512 AMAQI
26th Jul 2025491 AMAQI
26th Jul 2025502 AMAQI
26th Jul 2025493 AMAQI
26th Jul 2025474 AMAQI
18°C14/22°C
26th Jul 2025465 AMAQI
26th Jul 2025466 AMAQI
26th Jul 2025477 AMAQI
26th Jul 2025388 AMAQI
26th Jul 2025279 AMAQI
26th Jul 20252810 AMAQI
26th Jul 20252911 AMAQI
26th Jul 20252812 PMAQI
26th Jul 2025251 PMAQI
26th Jul 2025332 PMAQI
26th Jul 2025343 PMAQI
26th Jul 2025354 PMAQI
26th Jul 2025315 PMAQI
26th Jul 2025266 PMAQI
26th Jul 2025337 PMAQI
26th Jul 2025378 PMAQI
26th Jul 2025409 PMAQI
26th Jul 20254410 PMAQI
26th Jul 20255011 PMAQI
27th Jul 20255312 AMAQI
27th Jul 2025511 AMAQI
27th Jul 2025502 AMAQI
27th Jul 2025493 AMAQI
27th Jul 2025454 AMAQI
15°C14/17°C
27th Jul 2025465 AMAQI
27th Jul 2025466 AMAQI
27th Jul 2025467 AMAQI
27th Jul 2025368 AMAQI
27th Jul 2025259 AMAQI
27th Jul 20252610 AMAQI
27th Jul 20252611 AMAQI
27th Jul 20252512 PMAQI
27th Jul 2025281 PMAQI
27th Jul 2025222 PMAQI
27th Jul 2025233 PMAQI
27th Jul 2025354 PMAQI
27th Jul 2025335 PMAQI
27th Jul 2025336 PMAQI
27th Jul 2025327 PMAQI
27th Jul 2025408 PMAQI
27th Jul 2025429 PMAQI
27th Jul 20255510 PMAQI
27th Jul 20255411 PMAQI
28th Jul 20255412 AMAQI
28th Jul 2025501 AMAQI
28th Jul 2025492 AMAQI
28th Jul 2025463 AMAQI
28th Jul 2025444 AMAQI
17°C12/24°C
28th Jul 2025435 AMAQI
28th Jul 2025446 AMAQI
28th Jul 2025447 AMAQI
28th Jul 2025328 AMAQI
28th Jul 2025269 AMAQI
28th Jul 20252810 AMAQI
28th Jul 20252511 AMAQI
28th Jul 20253212 PMAQI
28th Jul 2025321 PMAQI
28th Jul 2025262 PMAQI
28th Jul 2025233 PMAQI
28th Jul 2025214 PMAQI
28th Jul 2025235 PMAQI
28th Jul 2025276 PMAQI
28th Jul 2025337 PMAQI
28th Jul 2025418 PMAQI
28th Jul 2025459 PMAQI
28th Jul 20255410 PMAQI
28th Jul 20255511 PMAQI
29th Jul 20255312 AMAQI
29th Jul 2025481 AMAQI
29th Jul 2025482 AMAQI
29th Jul 2025453 AMAQI
29th Jul 2025444 AMAQI
18°C11/26°C
29th Jul 2025445 AMAQI
29th Jul 2025446 AMAQI
29th Jul 2025437 AMAQI
29th Jul 2025448 AMAQI
29th Jul 2025529 AMAQI
29th Jul 20254310 AMAQI
29th Jul 20253911 AMAQI
29th Jul 20254012 PMAQI
29th Jul 2025361 PMAQI
29th Jul 2025322 PMAQI
29th Jul 2025243 PMAQI
29th Jul 2025354 PMAQI
29th Jul 2025405 PMAQI
29th Jul 2025396 PMAQI
29th Jul 2025477 PMAQI
29th Jul 2025498 PMAQI
29th Jul 2025529 PMAQI
29th Jul 20255410 PMAQI
29th Jul 20256011 PMAQI
30th Jul 20255812 AMAQI
30th Jul 2025471 AMAQI
30th Jul 2025472 AMAQI
30th Jul 2025463 AMAQI
30th Jul 2025464 AMAQI
19°C12/27°C
30th Jul 2025455 AMAQI
30th Jul 2025456 AMAQI
30th Jul 2025457 AMAQI
30th Jul 2025518 AMAQI
30th Jul 2025529 AMAQI
30th Jul 20254810 AMAQI
30th Jul 20254711 AMAQI
30th Jul 20254212 PMAQI
30th Jul 2025391 PMAQI
30th Jul 2025402 PMAQI
30th Jul 2025393 PMAQI
30th Jul 2025414 PMAQI
30th Jul 2025405 PMAQI
30th Jul 2025486 PMAQI
30th Jul 2025497 PMAQI
30th Jul 2025528 PMAQI
30th Jul 2025569 PMAQI
30th Jul 20255910 PMAQI
30th Jul 20255711 PMAQI
31st Jul 20255612 AMAQI
31st Jul 2025501 AMAQI
31st Jul 2025512 AMAQI
31st Jul 2025503 AMAQI
31st Jul 2025504 AMAQI
18°C13/25°C
31st Jul 2025505 AMAQI
31st Jul 2025506 AMAQI
31st Jul 2025507 AMAQI
31st Jul 2025508 AMAQI
31st Jul 2025509 AMAQI
31st Jul 20253910 AMAQI
31st Jul 20253511 AMAQI
31st Jul 20253412 PMAQI
31st Jul 2025371 PMAQI
31st Jul 2025272 PMAQI
31st Jul 2025313 PMAQI
31st Jul 2025304 PMAQI
31st Jul 2025315 PMAQI
31st Jul 2025306 PMAQI
31st Jul 2025367 PMAQI
31st Jul 2025538 PMAQI
31st Jul 2025549 PMAQI
31st Jul 20255710 PMAQI
31st Jul 20255511 PMAQI
1st Aug 20255512 AMAQI
1st Aug 2025521 AMAQI
1st Aug 2025532 AMAQI
1st Aug 2025533 AMAQI
1st Aug 2025534 AMAQI
17°C15/23°C
1st Aug 2025525 AMAQI
1st Aug 2025536 AMAQI
1st Aug 2025537 AMAQI
1st Aug 2025528 AMAQI
1st Aug 2025609 AMAQI
1st Aug 20256110 AMAQI
1st Aug 20256211 AMAQI
1st Aug 20255512 PMAQI
1st Aug 2025541 PMAQI
1st Aug 2025542 PMAQI
1st Aug 2025503 PMAQI
1st Aug 2025494 PMAQI
1st Aug 2025505 PMAQI
1st Aug 2025526 PMAQI
1st Aug 2025537 PMAQI
1st Aug 2025568 PMAQI
1st Aug 2025609 PMAQI
1st Aug 20256210 PMAQI
1st Aug 20256011 PMAQI
2nd Aug 20255812 AMAQI
2nd Aug 2025531 AMAQI
2nd Aug 2025532 AMAQI
2nd Aug 2025533 AMAQI
2nd Aug 2025544 AMAQI
19°C13/26°C
2nd Aug 2025545 AMAQI
2nd Aug 2025546 AMAQI
2nd Aug 2025547 AMAQI
2nd Aug 2025538 AMAQI
2nd Aug 2025499 AMAQI
2nd Aug 20256010 AMAQI
2nd Aug 20255011 AMAQI
2nd Aug 20255412 PMAQI
2nd Aug 2025521 PMAQI
2nd Aug 2025522 PMAQI
2nd Aug 2025583 PMAQI
2nd Aug 2025544 PMAQI
2nd Aug 2025515 PMAQI
2nd Aug 2025546 PMAQI
2nd Aug 2025577 PMAQI
2nd Aug 2025558 PMAQI
2nd Aug 2025559 PMAQI
2nd Aug 20256010 PMAQI
2nd Aug 20255711 PMAQI
3rd Aug 20255812 AMAQI
3rd Aug 2025531 AMAQI
3rd Aug 2025542 AMAQI
3rd Aug 2025553 AMAQI
3rd Aug 2025544 AMAQI
18°C13/25°C
3rd Aug 2025545 AMAQI
3rd Aug 2025556 AMAQI
3rd Aug 2025547 AMAQI
3rd Aug 2025548 AMAQI
3rd Aug 2025519 AMAQI
3rd Aug 20255310 AMAQI
3rd Aug 20254211 AMAQI
3rd Aug 20255012 PMAQI
3rd Aug 2025391 PMAQI
3rd Aug 2025472 PMAQI
3rd Aug 2025423 PMAQI
3rd Aug 2025454 PMAQI
3rd Aug 2025415 PMAQI
3rd Aug 2025476 PMAQI
3rd Aug 2025527 PMAQI
3rd Aug 2025528 PMAQI
3rd Aug 2025549 PMAQI
3rd Aug 20255810 PMAQI
3rd Aug 20255611 PMAQI
4th Aug 20255612 AMAQI
4th Aug 2025541 AMAQI
4th Aug 2025572 AMAQI
4th Aug 2025553 AMAQI
4th Aug 2025554 AMAQI
19°C13/25°C
4th Aug 2025555 AMAQI
4th Aug 2025556 AMAQI
4th Aug 2025547 AMAQI
4th Aug 2025358 AMAQI
4th Aug 2025489 AMAQI
4th Aug 20254910 AMAQI
4th Aug 20254511 AMAQI
4th Aug 20254812 PMAQI
4th Aug 2025471 PMAQI
4th Aug 2025372 PMAQI
4th Aug 2025393 PMAQI
4th Aug 2025464 PMAQI
4th Aug 2025435 PMAQI
4th Aug 2025546 PMAQI
4th Aug 2025557 PMAQI
4th Aug 2025568 PMAQI
4th Aug 2025579 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20255811 PMAQI
5th Aug 20255612 AMAQI
5th Aug 2025561 AMAQI
5th Aug 2025552 AMAQI
5th Aug 2025553 AMAQI
5th Aug 2025554 AMAQI
--°C/°C
5 AM
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 7 AM
50AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
2 PM - 3 PM
39AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 AM (Avg. 50), while the lowest AQI was between 2 PM to 3 PM (Avg. 39).
Night time
Avg. Highest Time
10 PM - 11 PM
56AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
1 AM - 9 PM
51AQI
6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 11 PM (Avg. 56), while the lowest AQI was between 1 AM to 9 PM (Avg. 51).
2025 Days Vs Air Quality
Dayan, Yunnan, China
2025
34%
73
66%
142
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Good
73 DaysModerate
142 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 34%
Health Risk Level:
High
In 2025, 34% of 216 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
Dayan, 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
64AQI
64AQI
2nd January 2025
64AQI
64AQI
3rd January 2025
75AQI
75AQI
4th January 2025
73AQI
73AQI
5th January 2025
81AQI
81AQI
6th January 2025
70AQI
70AQI
7th January 2025
60AQI
60AQI
8th January 2025
68AQI
68AQI
9th January 2025
63AQI
63AQI
10th January 2025
66AQI
66AQI
11th January 2025
70AQI
70AQI
12th January 2025
65AQI
65AQI
13th January 2025
58AQI
58AQI
14th January 2025
62AQI
62AQI
15th January 2025
72AQI
72AQI
16th January 2025
87AQI
87AQI
17th January 2025
66AQI
66AQI
18th January 2025
60AQI
60AQI
19th January 2025
60AQI
60AQI
20th January 2025
68AQI
68AQI
21st January 2025
85AQI
85AQI
22nd January 2025
73AQI
73AQI
23rd January 2025
66AQI
66AQI
24th January 2025
54AQI
54AQI
25th January 2025
54AQI
54AQI
26th January 2025
56AQI
56AQI
27th January 2025
65AQI
65AQI
28th January 2025
87AQI
87AQI
29th January 2025
77AQI
77AQI
30th January 2025
68AQI
68AQI
31st January 2025
61AQI
61AQI
1st February 2025
62AQI
62AQI
2nd February 2025
66AQI
66AQI
3rd February 2025
80AQI
80AQI
4th February 2025
79AQI
79AQI
5th February 2025
71AQI
71AQI
6th February 2025
67AQI
67AQI
7th February 2025
70AQI
70AQI
8th February 2025
61AQI
61AQI
9th February 2025
59AQI
59AQI
10th February 2025
59AQI
59AQI
11th February 2025
58AQI
58AQI
12th February 2025
63AQI
63AQI
13th February 2025
63AQI
63AQI
14th February 2025
50AQI
50AQI
15th February 2025
52AQI
52AQI
16th February 2025
50AQI
50AQI
17th February 2025
47AQI
47AQI
18th February 2025
50AQI
50AQI
19th February 2025
37AQI
37AQI
20th February 2025
37AQI
37AQI
21st February 2025
39AQI
39AQI
22nd February 2025
40AQI
40AQI
23rd February 2025
46AQI
46AQI
24th February 2025
43AQI
43AQI
25th February 2025
46AQI
46AQI
26th February 2025
31AQI
31AQI
27th February 2025
34AQI
34AQI
28th February 2025
40AQI
40AQI
1st March 2025
46AQI
46AQI
2nd March 2025
39AQI
39AQI
3rd March 2025
43AQI
43AQI
4th March 2025
50AQI
50AQI
5th March 2025
50AQI
50AQI
6th March 2025
59AQI
59AQI
7th March 2025
64AQI
64AQI
8th March 2025
69AQI
69AQI
9th March 2025
62AQI
62AQI
10th March 2025
60AQI
60AQI
11th March 2025
58AQI
58AQI
12th March 2025
62AQI
62AQI
13th March 2025
66AQI
66AQI
14th March 2025
73AQI
73AQI
15th March 2025
60AQI
60AQI
16th March 2025
76AQI
76AQI
17th March 2025
60AQI
60AQI
18th March 2025
72AQI
72AQI
19th March 2025
63AQI
63AQI
20th March 2025
79AQI
79AQI
21st March 2025
83AQI
83AQI
22nd March 2025
69AQI
69AQI
23rd March 2025
70AQI
70AQI
24th March 2025
60AQI
60AQI
25th March 2025
58AQI
58AQI
26th March 2025
53AQI
53AQI
27th March 2025
56AQI
56AQI
28th March 2025
70AQI
70AQI
29th March 2025
98AQI
98AQI
30th March 2025
96AQI
96AQI
31st March 2025
96AQI
96AQI
1st April 2025
94AQI
94AQI
2nd April 2025
90AQI
90AQI
3rd April 2025
87AQI
87AQI
4th April 2025
78AQI
78AQI
5th April 2025
77AQI
77AQI
6th April 2025
74AQI
74AQI
7th April 2025
75AQI
75AQI
8th April 2025
70AQI
70AQI
9th April 2025
65AQI
65AQI
10th April 2025
69AQI
69AQI
11th April 2025
61AQI
61AQI
12th April 2025
63AQI
63AQI
13th April 2025
55AQI
55AQI
14th April 2025
61AQI
61AQI
15th April 2025
63AQI
63AQI
16th April 2025
53AQI
53AQI
17th April 2025
55AQI
55AQI
18th April 2025
52AQI
52AQI
19th April 2025
52AQI
52AQI
20th April 2025
49AQI
49AQI
21st April 2025
45AQI
45AQI
22nd April 2025
48AQI
48AQI
23rd April 2025
52AQI
52AQI
24th April 2025
50AQI
50AQI
25th April 2025
64AQI
64AQI
26th April 2025
62AQI
62AQI
27th April 2025
66AQI
66AQI
28th April 2025
70AQI
70AQI
29th April 2025
64AQI
64AQI
30th April 2025
64AQI
64AQI
1st May 2025
54AQI
54AQI
2nd May 2025
58AQI
58AQI
3rd May 2025
57AQI
57AQI
4th May 2025
51AQI
51AQI
5th May 2025
52AQI
52AQI
6th May 2025
53AQI
53AQI
7th May 2025
53AQI
53AQI
8th May 2025
53AQI
53AQI
9th May 2025
58AQI
58AQI
10th May 2025
58AQI
58AQI
11th May 2025
57AQI
57AQI
12th May 2025
61AQI
61AQI
13th May 2025
55AQI
55AQI
14th May 2025
55AQI
55AQI
15th May 2025
55AQI
55AQI
16th May 2025
55AQI
55AQI
17th May 2025
60AQI
60AQI
18th May 2025
58AQI
58AQI
19th May 2025
59AQI
59AQI
20th May 2025
53AQI
53AQI
21st May 2025
51AQI
51AQI
22nd May 2025
54AQI
54AQI
23rd May 2025
56AQI
56AQI
24th May 2025
51AQI
51AQI
25th May 2025
51AQI
51AQI
26th May 2025
55AQI
55AQI
27th May 2025
50AQI
50AQI
28th May 2025
48AQI
48AQI
29th May 2025
47AQI
47AQI
30th May 2025
46AQI
46AQI
31st May 2025
44AQI
44AQI
1st June 2025
41AQI
41AQI
2nd June 2025
47AQI
47AQI
3rd June 2025
46AQI
46AQI
4th June 2025
61AQI
61AQI
5th June 2025
52AQI
52AQI
6th June 2025
50AQI
50AQI
7th June 2025
49AQI
49AQI
8th June 2025
53AQI
53AQI
9th June 2025
51AQI
51AQI
10th June 2025
50AQI
50AQI
11th June 2025
55AQI
55AQI
12th June 2025
57AQI
57AQI
13th June 2025
61AQI
61AQI
14th June 2025
57AQI
57AQI
15th June 2025
57AQI
57AQI
16th June 2025
55AQI
55AQI
17th June 2025
49AQI
49AQI
18th June 2025
46AQI
46AQI
19th June 2025
45AQI
45AQI
20th June 2025
49AQI
49AQI
21st June 2025
47AQI
47AQI
22nd June 2025
42AQI
42AQI
23rd June 2025
44AQI
44AQI
24th June 2025
43AQI
43AQI
25th June 2025
42AQI
42AQI
26th June 2025
45AQI
45AQI
27th June 2025
45AQI
45AQI
28th June 2025
50AQI
50AQI
29th June 2025
46AQI
46AQI
30th June 2025
47AQI
47AQI
1st July 2025
49AQI
49AQI
2nd July 2025
50AQI
50AQI
3rd July 2025
48AQI
48AQI
4th July 2025
48AQI
48AQI
5th July 2025
42AQI
42AQI
6th July 2025
42AQI
42AQI
7th July 2025
42AQI
42AQI
8th July 2025
42AQI
42AQI
9th July 2025
43AQI
43AQI
10th July 2025
44AQI
44AQI
11th July 2025
49AQI
49AQI
12th July 2025
46AQI
46AQI
13th July 2025
52AQI
52AQI
14th July 2025
55AQI
55AQI
15th July 2025
47AQI
47AQI
16th July 2025
55AQI
55AQI
17th July 2025
56AQI
56AQI
18th July 2025
58AQI
58AQI
19th July 2025
47AQI
47AQI
20th July 2025
51AQI
51AQI
21st July 2025
47AQI
47AQI
22nd July 2025
45AQI
45AQI
23rd July 2025
44AQI
44AQI
24th July 2025
43AQI
43AQI
25th July 2025
45AQI
45AQI
26th July 2025
39AQI
39AQI
27th July 2025
40AQI
40AQI
28th July 2025
39AQI
39AQI
29th July 2025
45AQI
45AQI
30th July 2025
48AQI
48AQI
31st July 2025
45AQI
45AQI
1st August 2025
55AQI
55AQI
2nd August 2025
54AQI
54AQI
3rd August 2025
51AQI
51AQI
68AQI
54AQI
65AQI
64AQI
54AQI
49AQI
47AQI
53AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202557AQI
31
14
14
5
26
4
26
5
26
20
10
25
6
3
73
142
Highest AQI recorded in
January68AQI
Lowest AQI recorded in
July47AQI
202451AQI
13
18
10
19
16
15
4
26
10
21
22
8
29
2
14
17
17
13
28
3
19
11
31
182
184
Highest AQI recorded in
April66AQI
Lowest AQI recorded in
October40AQI
202354AQI
31
26
2
6
25
5
24
1
19
12
29
1
29
2
24
7
13
17
21
10
24
2
26
5
196
162
3
Highest AQI recorded in
February81AQI
Lowest AQI recorded in
July38AQI
202255AQI
26
5
12
10
1
1
28
2
11
19
20
11
28
2
16
8
1
11
18
6
25
30
31
131
188
3
Highest AQI recorded in
March70AQI
Lowest AQI recorded in
June40AQI
202150AQI
15
16
13
15
29
2
30
25
6
29
1
30
1
27
4
30
29
2
21
9
15
16
234
129
2
Highest AQI recorded in
March77AQI
Lowest AQI recorded in
June35AQI
202045AQI
2
11
4
16
1
15
3
30
29
2
29
2
27
3
25
6
15
15
19
12
195
70
1
Highest AQI recorded in
April64AQI
Lowest AQI recorded in
June34AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
57AQILeast Polluted Year Recorded
2020(Avg.)
45AQIDayan's annual 2025 AQI (57) shows an average percentage change of 12.8% (worsened AQI) compared to previous years: 2020 (45), 2021 (50), 2022 (55), 2023 (54), 2024 (51).
