Biji Square, Kunming, 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
Biji Square, Kunming, Yunnan, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Aug 2021
101AQILowest AQI recorded on
26th Aug 2024
20AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 57 of Moderate air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Biji Square, Kunming, Yunnan, China
AQI
Day
Night
.
5 AM3rd Aug 2025
7 PM
4 AM4th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
10AM3rd Aug
69AQI
Avg. Lowest Time
4PM3rd Aug
36AQI
In the last 24 hours,
Biji Square's AQI reached its highest point of 69 at 10 AM 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
Biji Square, Kunming, 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 2025385 AMAQI
5th Jul 2025386 AMAQI
5th Jul 2025377 AMAQI
5th Jul 2025248 AMAQI
5th Jul 2025209 AMAQI
5th Jul 20252010 AMAQI
5th Jul 20252011 AMAQI
5th Jul 20254312 PMAQI
5th Jul 2025291 PMAQI
5th Jul 2025302 PMAQI
5th Jul 2025293 PMAQI
5th Jul 2025284 PMAQI
5th Jul 2025265 PMAQI
5th Jul 2025296 PMAQI
5th Jul 2025307 PMAQI
5th Jul 2025378 PMAQI
5th Jul 2025359 PMAQI
5th Jul 20253810 PMAQI
5th Jul 20254011 PMAQI
6th Jul 20254012 AMAQI
6th Jul 2025361 AMAQI
6th Jul 2025362 AMAQI
6th Jul 2025373 AMAQI
6th Jul 2025364 AMAQI
19°C16/23°C
6th Jul 2025365 AMAQI
6th Jul 2025376 AMAQI
6th Jul 2025367 AMAQI
6th Jul 2025288 AMAQI
6th Jul 2025189 AMAQI
6th Jul 20251910 AMAQI
6th Jul 20252011 AMAQI
6th Jul 20253212 PMAQI
6th Jul 2025311 PMAQI
6th Jul 2025322 PMAQI
6th Jul 2025303 PMAQI
6th Jul 2025304 PMAQI
6th Jul 2025305 PMAQI
6th Jul 2025326 PMAQI
6th Jul 2025307 PMAQI
6th Jul 2025398 PMAQI
6th Jul 2025429 PMAQI
6th Jul 20254110 PMAQI
6th Jul 20254211 PMAQI
7th Jul 20254012 AMAQI
7th Jul 2025371 AMAQI
7th Jul 2025372 AMAQI
7th Jul 2025373 AMAQI
7th Jul 2025354 AMAQI
19°C16/23°C
7th Jul 2025355 AMAQI
7th Jul 2025366 AMAQI
7th Jul 2025367 AMAQI
7th Jul 2025308 AMAQI
7th Jul 2025329 AMAQI
7th Jul 20255310 AMAQI
7th Jul 20255511 AMAQI
7th Jul 20254212 PMAQI
7th Jul 2025351 PMAQI
7th Jul 2025382 PMAQI
7th Jul 2025353 PMAQI
7th Jul 2025304 PMAQI
7th Jul 2025305 PMAQI
7th Jul 2025306 PMAQI
7th Jul 2025347 PMAQI
7th Jul 2025368 PMAQI
7th Jul 2025369 PMAQI
7th Jul 20253610 PMAQI
7th Jul 20253611 PMAQI
8th Jul 20253812 AMAQI
8th Jul 2025361 AMAQI
8th Jul 2025362 AMAQI
8th Jul 2025363 AMAQI
8th Jul 2025364 AMAQI
19°C15/23°C
8th Jul 2025375 AMAQI
8th Jul 2025376 AMAQI
8th Jul 2025367 AMAQI
8th Jul 2025228 AMAQI
8th Jul 2025319 AMAQI
8th Jul 20254110 AMAQI
8th Jul 20253811 AMAQI
8th Jul 20253412 PMAQI
8th Jul 2025301 PMAQI
8th Jul 2025312 PMAQI
8th Jul 2025293 PMAQI
8th Jul 2025294 PMAQI
8th Jul 2025315 PMAQI
8th Jul 2025446 PMAQI
8th Jul 2025557 PMAQI
8th Jul 2025448 PMAQI
8th Jul 2025349 PMAQI
8th Jul 20253510 PMAQI
8th Jul 20253611 PMAQI
9th Jul 20253612 AMAQI
9th Jul 2025371 AMAQI
9th Jul 2025382 AMAQI
9th Jul 2025383 AMAQI
9th Jul 2025374 AMAQI
20°C16/25°C
9th Jul 2025365 AMAQI
9th Jul 2025376 AMAQI
9th Jul 2025367 AMAQI
9th Jul 2025268 AMAQI
9th Jul 2025229 AMAQI
9th Jul 20252510 AMAQI
9th Jul 20252211 AMAQI
9th Jul 20252812 PMAQI
9th Jul 2025311 PMAQI
9th Jul 2025322 PMAQI
9th Jul 2025303 PMAQI
9th Jul 2025324 PMAQI
9th Jul 2025325 PMAQI
9th Jul 2025326 PMAQI
9th Jul 2025377 PMAQI
9th Jul 2025378 PMAQI
9th Jul 2025389 PMAQI
9th Jul 20253810 PMAQI
9th Jul 20253811 PMAQI
10th Jul 20253712 AMAQI
10th Jul 2025371 AMAQI
10th Jul 2025382 AMAQI
10th Jul 2025373 AMAQI
10th Jul 2025374 AMAQI
20°C17/24°C
10th Jul 2025405 AMAQI
10th Jul 2025366 AMAQI
10th Jul 2025377 AMAQI
10th Jul 2025348 AMAQI
10th Jul 2025409 AMAQI
10th Jul 20254810 AMAQI
10th Jul 20254111 AMAQI
10th Jul 20253612 PMAQI
10th Jul 2025351 PMAQI
10th Jul 2025382 PMAQI
10th Jul 2025363 PMAQI
10th Jul 2025324 PMAQI
10th Jul 2025325 PMAQI
10th Jul 2025326 PMAQI
10th Jul 2025367 PMAQI
10th Jul 2025388 PMAQI
10th Jul 2025389 PMAQI
10th Jul 20254010 PMAQI
10th Jul 20253811 PMAQI
11th Jul 20253612 AMAQI
11th Jul 2025381 AMAQI
11th Jul 2025402 AMAQI
11th Jul 2025383 AMAQI
11th Jul 2025384 AMAQI
20°C17/24°C
11th Jul 2025385 AMAQI
11th Jul 2025386 AMAQI
11th Jul 2025387 AMAQI
11th Jul 2025408 AMAQI
11th Jul 2025439 AMAQI
11th Jul 20253710 AMAQI
11th Jul 20253011 AMAQI
11th Jul 20252912 PMAQI
11th Jul 2025381 PMAQI
11th Jul 2025282 PMAQI
11th Jul 2025303 PMAQI
11th Jul 2025304 PMAQI
11th Jul 2025325 PMAQI
11th Jul 2025316 PMAQI
11th Jul 2025377 PMAQI
11th Jul 2025388 PMAQI
11th Jul 2025399 PMAQI
11th Jul 20253810 PMAQI
11th Jul 20254011 PMAQI
12th Jul 20253812 AMAQI
12th Jul 2025381 AMAQI
12th Jul 2025382 AMAQI
12th Jul 2025383 AMAQI
12th Jul 2025384 AMAQI
20°C16/26°C
12th Jul 2025395 AMAQI
12th Jul 2025386 AMAQI
12th Jul 2025387 AMAQI
12th Jul 2025508 AMAQI
12th Jul 2025549 AMAQI
12th Jul 20255510 AMAQI
12th Jul 20255111 AMAQI
12th Jul 20254612 PMAQI
12th Jul 2025481 PMAQI
12th Jul 2025462 PMAQI
12th Jul 2025463 PMAQI
12th Jul 2025494 PMAQI
12th Jul 2025505 PMAQI
12th Jul 2025496 PMAQI
12th Jul 2025387 PMAQI
12th Jul 2025408 PMAQI
12th Jul 2025429 PMAQI
12th Jul 20254210 PMAQI
12th Jul 20254011 PMAQI
13th Jul 20254112 AMAQI
13th Jul 2025391 AMAQI
13th Jul 2025392 AMAQI
13th Jul 2025383 AMAQI
13th Jul 2025414 AMAQI
20°C15/26°C
13th Jul 2025415 AMAQI
13th Jul 2025406 AMAQI
13th Jul 2025417 AMAQI
13th Jul 2025548 AMAQI
13th Jul 2025699 AMAQI
13th Jul 20256610 AMAQI
13th Jul 20256411 AMAQI
13th Jul 20256012 PMAQI
13th Jul 2025601 PMAQI
13th Jul 2025582 PMAQI
13th Jul 2025523 PMAQI
13th Jul 2025504 PMAQI
13th Jul 2025495 PMAQI
13th Jul 2025426 PMAQI
13th Jul 2025457 PMAQI
13th Jul 2025478 PMAQI
13th Jul 2025449 PMAQI
13th Jul 20254710 PMAQI
13th Jul 20254811 PMAQI
14th Jul 20254812 AMAQI
14th Jul 2025421 AMAQI
14th Jul 2025422 AMAQI
14th Jul 2025423 AMAQI
14th Jul 2025444 AMAQI
21°C16/27°C
14th Jul 2025445 AMAQI
14th Jul 2025426 AMAQI
14th Jul 2025437 AMAQI
14th Jul 2025388 AMAQI
14th Jul 2025439 AMAQI
14th Jul 20255010 AMAQI
14th Jul 20255211 AMAQI
14th Jul 20255212 PMAQI
14th Jul 2025521 PMAQI
14th Jul 2025522 PMAQI
14th Jul 2025483 PMAQI
14th Jul 2025414 PMAQI
14th Jul 2025425 PMAQI
14th Jul 2025386 PMAQI
14th Jul 2025407 PMAQI
14th Jul 2025528 PMAQI
14th Jul 2025539 PMAQI
14th Jul 20255210 PMAQI
14th Jul 20255211 PMAQI
15th Jul 20255212 AMAQI
15th Jul 2025501 AMAQI
15th Jul 2025462 AMAQI
15th Jul 2025473 AMAQI
15th Jul 2025484 AMAQI
21°C16/26°C
15th Jul 2025485 AMAQI
15th Jul 2025496 AMAQI
15th Jul 2025507 AMAQI
15th Jul 2025578 AMAQI
15th Jul 2025649 AMAQI
15th Jul 20256410 AMAQI
15th Jul 20256411 AMAQI
15th Jul 20256912 PMAQI
15th Jul 2025571 PMAQI
15th Jul 2025542 PMAQI
15th Jul 2025543 PMAQI
15th Jul 2025544 PMAQI
15th Jul 2025535 PMAQI
15th Jul 2025556 PMAQI
15th Jul 2025507 PMAQI
15th Jul 2025538 PMAQI
15th Jul 2025539 PMAQI
15th Jul 20255310 PMAQI
15th Jul 20255311 PMAQI
16th Jul 20255412 AMAQI
16th Jul 2025521 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025523 AMAQI
16th Jul 2025534 AMAQI
21°C17/27°C
16th Jul 2025535 AMAQI
16th Jul 2025536 AMAQI
16th Jul 2025537 AMAQI
16th Jul 2025538 AMAQI
16th Jul 2025569 AMAQI
16th Jul 20256010 AMAQI
16th Jul 20256711 AMAQI
16th Jul 20256012 PMAQI
16th Jul 2025581 PMAQI
16th Jul 2025562 PMAQI
16th Jul 2025593 PMAQI
16th Jul 2025544 PMAQI
16th Jul 2025465 PMAQI
16th Jul 2025466 PMAQI
16th Jul 2025517 PMAQI
16th Jul 2025538 PMAQI
16th Jul 2025549 PMAQI
16th Jul 20255410 PMAQI
16th Jul 20255411 PMAQI
17th Jul 20255412 AMAQI
17th Jul 2025531 AMAQI
17th Jul 2025532 AMAQI
17th Jul 2025533 AMAQI
17th Jul 2025544 AMAQI
21°C17/27°C
17th Jul 2025545 AMAQI
17th Jul 2025556 AMAQI
17th Jul 2025557 AMAQI
17th Jul 2025638 AMAQI
17th Jul 2025679 AMAQI
17th Jul 20256810 AMAQI
17th Jul 20256411 AMAQI
17th Jul 20255512 PMAQI
17th Jul 2025501 PMAQI
17th Jul 2025522 PMAQI
17th Jul 2025523 PMAQI
17th Jul 2025474 PMAQI
17th Jul 2025385 PMAQI
17th Jul 2025396 PMAQI
17th Jul 2025487 PMAQI
17th Jul 2025538 PMAQI
17th Jul 2025549 PMAQI
17th Jul 20255410 PMAQI
17th Jul 20255311 PMAQI
18th Jul 20255412 AMAQI
18th Jul 2025541 AMAQI
18th Jul 2025542 AMAQI
18th Jul 2025543 AMAQI
18th Jul 2025554 AMAQI
22°C16/28°C
18th Jul 2025545 AMAQI
18th Jul 2025546 AMAQI
18th Jul 2025547 AMAQI
18th Jul 2025648 AMAQI
18th Jul 2025679 AMAQI
18th Jul 20257610 AMAQI
18th Jul 20257311 AMAQI
18th Jul 20255812 PMAQI
18th Jul 2025561 PMAQI
18th Jul 2025552 PMAQI
18th Jul 2025543 PMAQI
18th Jul 2025494 PMAQI
18th Jul 2025395 PMAQI
18th Jul 2025386 PMAQI
18th Jul 2025437 PMAQI
18th Jul 2025548 PMAQI
18th Jul 2025549 PMAQI
18th Jul 20255410 PMAQI
18th Jul 20255411 PMAQI
19th Jul 20255412 AMAQI
19th Jul 2025541 AMAQI
19th Jul 2025542 AMAQI
19th Jul 2025543 AMAQI
19th Jul 2025544 AMAQI
22°C17/28°C
19th Jul 2025545 AMAQI
19th Jul 2025556 AMAQI
19th Jul 2025547 AMAQI
19th Jul 2025298 AMAQI
19th Jul 2025259 AMAQI
19th Jul 20252610 AMAQI
19th Jul 20252611 AMAQI
19th Jul 20253412 PMAQI
19th Jul 2025381 PMAQI
19th Jul 2025382 PMAQI
19th Jul 2025353 PMAQI
19th Jul 2025354 PMAQI
19th Jul 2025355 PMAQI
19th Jul 2025376 PMAQI
19th Jul 2025407 PMAQI
19th Jul 2025528 PMAQI
19th Jul 2025539 PMAQI
19th Jul 20255310 PMAQI
19th Jul 20255411 PMAQI
20th Jul 20255412 AMAQI
20th Jul 2025541 AMAQI
20th Jul 2025542 AMAQI
20th Jul 2025543 AMAQI
20th Jul 2025544 AMAQI
21°C18/25°C
20th Jul 2025545 AMAQI
20th Jul 2025536 AMAQI
20th Jul 2025547 AMAQI
20th Jul 2025548 AMAQI
20th Jul 2025589 AMAQI
20th Jul 20255710 AMAQI
20th Jul 20255711 AMAQI
20th Jul 20255212 PMAQI
20th Jul 2025491 PMAQI
20th Jul 2025442 PMAQI
20th Jul 2025483 PMAQI
20th Jul 2025514 PMAQI
20th Jul 2025525 PMAQI
20th Jul 2025466 PMAQI
20th Jul 2025487 PMAQI
20th Jul 2025528 PMAQI
20th Jul 2025539 PMAQI
20th Jul 20255310 PMAQI
20th Jul 20255411 PMAQI
21st Jul 20255412 AMAQI
21st Jul 2025541 AMAQI
21st Jul 2025532 AMAQI
21st Jul 2025533 AMAQI
21st Jul 2025544 AMAQI
21°C16/27°C
21st Jul 2025535 AMAQI
21st Jul 2025536 AMAQI
21st Jul 2025537 AMAQI
21st Jul 2025468 AMAQI
21st Jul 2025479 AMAQI
21st Jul 20255810 AMAQI
21st Jul 20255411 AMAQI
21st Jul 20255212 PMAQI
21st Jul 2025461 PMAQI
21st Jul 2025422 PMAQI
21st Jul 2025443 PMAQI
21st Jul 2025364 PMAQI
21st Jul 2025345 PMAQI
21st Jul 2025366 PMAQI
21st Jul 2025407 PMAQI
21st Jul 2025528 PMAQI
21st Jul 2025529 PMAQI
21st Jul 20255310 PMAQI
21st Jul 20255211 PMAQI
22nd Jul 20255312 AMAQI
22nd Jul 2025541 AMAQI
22nd Jul 2025542 AMAQI
22nd Jul 2025543 AMAQI
22nd Jul 2025534 AMAQI
21°C15/27°C
22nd Jul 2025535 AMAQI
22nd Jul 2025536 AMAQI
22nd Jul 2025547 AMAQI
22nd Jul 2025288 AMAQI
22nd Jul 2025209 AMAQI
22nd Jul 20251910 AMAQI
22nd Jul 20252011 AMAQI
22nd Jul 20252512 PMAQI
22nd Jul 2025421 PMAQI
22nd Jul 2025302 PMAQI
22nd Jul 2025323 PMAQI
22nd Jul 2025344 PMAQI
22nd Jul 2025325 PMAQI
22nd Jul 2025326 PMAQI
22nd Jul 2025367 PMAQI
22nd Jul 2025528 PMAQI
22nd Jul 2025519 PMAQI
22nd Jul 20255010 PMAQI
22nd Jul 20255211 PMAQI
23rd Jul 20255212 AMAQI
23rd Jul 2025521 AMAQI
23rd Jul 2025532 AMAQI
23rd Jul 2025533 AMAQI
23rd Jul 2025524 AMAQI
20°C17/25°C
23rd Jul 2025525 AMAQI
23rd Jul 2025526 AMAQI
23rd Jul 2025537 AMAQI
23rd Jul 2025268 AMAQI
23rd Jul 2025209 AMAQI
23rd Jul 20252410 AMAQI
23rd Jul 20252411 AMAQI
23rd Jul 20253212 PMAQI
23rd Jul 2025321 PMAQI
23rd Jul 2025322 PMAQI
23rd Jul 2025323 PMAQI
23rd Jul 2025364 PMAQI
23rd Jul 2025345 PMAQI
23rd Jul 2025326 PMAQI
23rd Jul 2025367 PMAQI
23rd Jul 2025508 PMAQI
23rd Jul 2025509 PMAQI
23rd Jul 20255210 PMAQI
23rd Jul 20255011 PMAQI
24th Jul 20255212 AMAQI
24th Jul 2025511 AMAQI
24th Jul 2025522 AMAQI
24th Jul 2025513 AMAQI
24th Jul 2025504 AMAQI
19°C17/23°C
24th Jul 2025515 AMAQI
24th Jul 2025506 AMAQI
24th Jul 2025507 AMAQI
24th Jul 2025278 AMAQI
24th Jul 2025209 AMAQI
24th Jul 20253110 AMAQI
24th Jul 20252711 AMAQI
24th Jul 20253212 PMAQI
24th Jul 2025301 PMAQI
24th Jul 2025312 PMAQI
24th Jul 2025323 PMAQI
24th Jul 2025314 PMAQI
24th Jul 2025315 PMAQI
24th Jul 2025306 PMAQI
24th Jul 2025347 PMAQI
24th Jul 2025488 PMAQI
24th Jul 2025509 PMAQI
24th Jul 20255010 PMAQI
24th Jul 20255111 PMAQI
25th Jul 20255012 AMAQI
25th Jul 2025521 AMAQI
25th Jul 2025502 AMAQI
25th Jul 2025503 AMAQI
25th Jul 2025514 AMAQI
20°C16/24°C
25th Jul 2025515 AMAQI
25th Jul 2025506 AMAQI
25th Jul 2025517 AMAQI
25th Jul 2025278 AMAQI
25th Jul 2025209 AMAQI
25th Jul 20253210 AMAQI
25th Jul 20253311 AMAQI
25th Jul 20254112 PMAQI
25th Jul 2025391 PMAQI
25th Jul 2025322 PMAQI
25th Jul 2025303 PMAQI
25th Jul 2025314 PMAQI
25th Jul 2025305 PMAQI
25th Jul 2025316 PMAQI
25th Jul 2025397 PMAQI
25th Jul 2025488 PMAQI
25th Jul 2025509 PMAQI
25th Jul 20254910 PMAQI
25th Jul 20254911 PMAQI
26th Jul 20254912 AMAQI
26th Jul 2025481 AMAQI
26th Jul 2025492 AMAQI
26th Jul 2025503 AMAQI
26th Jul 2025484 AMAQI
20°C16/25°C
26th Jul 2025485 AMAQI
26th Jul 2025486 AMAQI
26th Jul 2025487 AMAQI
26th Jul 2025288 AMAQI
26th Jul 2025229 AMAQI
26th Jul 20252410 AMAQI
26th Jul 20252511 AMAQI
26th Jul 20253612 PMAQI
26th Jul 2025311 PMAQI
26th Jul 2025332 PMAQI
26th Jul 2025323 PMAQI
26th Jul 2025324 PMAQI
26th Jul 2025325 PMAQI
26th Jul 2025346 PMAQI
26th Jul 2025427 PMAQI
26th Jul 2025498 PMAQI
26th Jul 2025499 PMAQI
26th Jul 20254910 PMAQI
26th Jul 20254811 PMAQI
27th Jul 20255112 AMAQI
27th Jul 2025511 AMAQI
27th Jul 2025502 AMAQI
27th Jul 2025503 AMAQI
27th Jul 2025504 AMAQI
19°C17/22°C
27th Jul 2025495 AMAQI
27th Jul 2025506 AMAQI
27th Jul 2025497 AMAQI
27th Jul 2025378 AMAQI
27th Jul 2025409 AMAQI
27th Jul 20254810 AMAQI
27th Jul 20253511 AMAQI
27th Jul 20253612 PMAQI
27th Jul 2025341 PMAQI
27th Jul 2025322 PMAQI
27th Jul 2025303 PMAQI
27th Jul 2025324 PMAQI
27th Jul 2025325 PMAQI
27th Jul 2025316 PMAQI
27th Jul 2025357 PMAQI
27th Jul 2025498 PMAQI
27th Jul 2025509 PMAQI
27th Jul 20255110 PMAQI
27th Jul 20255011 PMAQI
28th Jul 20255012 AMAQI
28th Jul 2025501 AMAQI
28th Jul 2025492 AMAQI
28th Jul 2025483 AMAQI
28th Jul 2025494 AMAQI
19°C16/24°C
28th Jul 2025485 AMAQI
28th Jul 2025486 AMAQI
28th Jul 2025497 AMAQI
28th Jul 2025498 AMAQI
28th Jul 2025549 AMAQI
28th Jul 20255010 AMAQI
28th Jul 20254011 AMAQI
28th Jul 20253612 PMAQI
28th Jul 2025381 PMAQI
28th Jul 2025362 PMAQI
28th Jul 2025343 PMAQI
28th Jul 2025354 PMAQI
28th Jul 2025365 PMAQI
28th Jul 2025406 PMAQI
28th Jul 2025407 PMAQI
28th Jul 2025498 PMAQI
28th Jul 2025509 PMAQI
28th Jul 20255210 PMAQI
28th Jul 20255311 PMAQI
29th Jul 20255412 AMAQI
29th Jul 2025501 AMAQI
29th Jul 2025502 AMAQI
29th Jul 2025483 AMAQI
29th Jul 2025494 AMAQI
20°C15/27°C
29th Jul 2025495 AMAQI
29th Jul 2025516 AMAQI
29th Jul 2025507 AMAQI
29th Jul 2025538 AMAQI
29th Jul 2025519 AMAQI
29th Jul 20255710 AMAQI
29th Jul 20255211 AMAQI
29th Jul 20255212 PMAQI
29th Jul 2025491 PMAQI
29th Jul 2025502 PMAQI
29th Jul 2025513 PMAQI
29th Jul 2025524 PMAQI
29th Jul 2025465 PMAQI
29th Jul 2025486 PMAQI
29th Jul 2025547 PMAQI
29th Jul 2025548 PMAQI
29th Jul 2025529 PMAQI
29th Jul 20255310 PMAQI
29th Jul 20255411 PMAQI
30th Jul 20255312 AMAQI
30th Jul 2025521 AMAQI
30th Jul 2025522 AMAQI
30th Jul 2025523 AMAQI
30th Jul 2025524 AMAQI
21°C16/26°C
30th Jul 2025525 AMAQI
30th Jul 2025526 AMAQI
30th Jul 2025527 AMAQI
30th Jul 2025578 AMAQI
30th Jul 2025609 AMAQI
30th Jul 20256410 AMAQI
30th Jul 20256311 AMAQI
30th Jul 20254812 PMAQI
30th Jul 2025481 PMAQI
30th Jul 2025462 PMAQI
30th Jul 2025393 PMAQI
30th Jul 2025454 PMAQI
30th Jul 2025365 PMAQI
30th Jul 2025346 PMAQI
30th Jul 2025417 PMAQI
30th Jul 2025528 PMAQI
30th Jul 2025539 PMAQI
30th Jul 20255410 PMAQI
30th Jul 20255411 PMAQI
31st Jul 20255412 AMAQI
31st Jul 2025541 AMAQI
31st Jul 2025542 AMAQI
31st Jul 2025543 AMAQI
31st Jul 2025544 AMAQI
21°C17/27°C
31st Jul 2025545 AMAQI
31st Jul 2025546 AMAQI
31st Jul 2025547 AMAQI
31st Jul 2025548 AMAQI
31st Jul 2025549 AMAQI
31st Jul 20254910 AMAQI
31st Jul 20253711 AMAQI
31st Jul 20254112 PMAQI
31st Jul 2025421 PMAQI
31st Jul 2025382 PMAQI
31st Jul 2025373 PMAQI
31st Jul 2025384 PMAQI
31st Jul 2025525 PMAQI
31st Jul 2025546 PMAQI
31st Jul 2025567 PMAQI
31st Jul 2025558 PMAQI
31st Jul 2025559 PMAQI
31st Jul 20255410 PMAQI
31st Jul 20255611 PMAQI
1st Aug 20255612 AMAQI
1st Aug 2025541 AMAQI
1st Aug 2025542 AMAQI
1st Aug 2025553 AMAQI
1st Aug 2025544 AMAQI
19°C17/21°C
1st Aug 2025545 AMAQI
1st Aug 2025546 AMAQI
1st Aug 2025547 AMAQI
1st Aug 2025578 AMAQI
1st Aug 2025619 AMAQI
1st Aug 20256310 AMAQI
1st Aug 20256911 AMAQI
1st Aug 20256012 PMAQI
1st Aug 2025601 PMAQI
1st Aug 2025602 PMAQI
1st Aug 2025583 PMAQI
1st Aug 2025564 PMAQI
1st Aug 2025525 PMAQI
1st Aug 2025516 PMAQI
1st Aug 2025537 PMAQI
1st Aug 2025578 PMAQI
1st Aug 2025579 PMAQI
1st Aug 20255910 PMAQI
1st Aug 20256011 PMAQI
2nd Aug 20255712 AMAQI
2nd Aug 2025531 AMAQI
2nd Aug 2025542 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025554 AMAQI
21°C16/27°C
2nd Aug 2025555 AMAQI
2nd Aug 2025566 AMAQI
2nd Aug 2025547 AMAQI
2nd Aug 2025608 AMAQI
2nd Aug 2025639 AMAQI
2nd Aug 20257310 AMAQI
2nd Aug 20256211 AMAQI
2nd Aug 20255612 PMAQI
2nd Aug 2025521 PMAQI
2nd Aug 2025482 PMAQI
2nd Aug 2025533 PMAQI
2nd Aug 2025564 PMAQI
2nd Aug 2025465 PMAQI
2nd Aug 2025486 PMAQI
2nd Aug 2025527 PMAQI
2nd Aug 2025538 PMAQI
2nd Aug 2025559 PMAQI
2nd Aug 20255610 PMAQI
2nd Aug 20255411 PMAQI
3rd Aug 20255512 AMAQI
3rd Aug 2025541 AMAQI
3rd Aug 2025552 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025564 AMAQI
21°C16/27°C
3rd Aug 2025565 AMAQI
3rd Aug 2025566 AMAQI
3rd Aug 2025567 AMAQI
3rd Aug 2025608 AMAQI
3rd Aug 2025609 AMAQI
3rd Aug 20256910 AMAQI
3rd Aug 20255211 AMAQI
3rd Aug 20254712 PMAQI
3rd Aug 2025491 PMAQI
3rd Aug 2025462 PMAQI
3rd Aug 2025383 PMAQI
3rd Aug 2025364 PMAQI
3rd Aug 2025395 PMAQI
3rd Aug 2025416 PMAQI
3rd Aug 2025497 PMAQI
3rd Aug 2025538 PMAQI
3rd Aug 2025549 PMAQI
3rd Aug 20255610 PMAQI
3rd Aug 20255711 PMAQI
4th Aug 20255612 AMAQI
4th Aug 2025561 AMAQI
4th Aug 2025572 AMAQI
4th Aug 2025563 AMAQI
--°C/°C
5 AM
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 7 AM
48AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
5 PM - 6 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. 48), while the lowest AQI was between 5 PM to 6 PM (Avg. 39).
Night time
Avg. Highest Time
12 AM - 11 PM
48AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
48AQI
9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 48), while the lowest AQI was between 12 AM to 11 PM (Avg. 48).
2025 Days Vs Air Quality
Biji Square, Kunming, Yunnan, China
2025
22%
47
69%
147
9%
20
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
47 DaysModerate
147 DaysPoor
20 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 22%
Health Risk Level:
Very high
In 2025, 22% of 215 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Biji Square, Kunming, 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
69AQI
69AQI
2nd January 2025
81AQI
81AQI
3rd January 2025
80AQI
80AQI
4th January 2025
78AQI
78AQI
5th January 2025
76AQI
76AQI
6th January 2025
84AQI
84AQI
7th January 2025
69AQI
69AQI
8th January 2025
70AQI
70AQI
9th January 2025
86AQI
86AQI
10th January 2025
66AQI
66AQI
11th January 2025
55AQI
55AQI
12th January 2025
87AQI
87AQI
13th January 2025
74AQI
74AQI
14th January 2025
85AQI
85AQI
15th January 2025
118AQI
118AQI
16th January 2025
120AQI
120AQI
17th January 2025
93AQI
93AQI
18th January 2025
86AQI
86AQI
19th January 2025
99AQI
99AQI
20th January 2025
97AQI
97AQI
21st January 2025
80AQI
80AQI
22nd January 2025
79AQI
79AQI
23rd January 2025
73AQI
73AQI
24th January 2025
54AQI
54AQI
25th January 2025
60AQI
60AQI
26th January 2025
54AQI
54AQI
27th January 2025
67AQI
67AQI
28th January 2025
87AQI
87AQI
29th January 2025
97AQI
97AQI
30th January 2025
75AQI
75AQI
31st January 2025
75AQI
75AQI
1st February 2025
84AQI
84AQI
2nd February 2025
90AQI
90AQI
3rd February 2025
61AQI
61AQI
4th February 2025
87AQI
87AQI
5th February 2025
80AQI
80AQI
6th February 2025
91AQI
91AQI
7th February 2025
72AQI
72AQI
8th February 2025
83AQI
83AQI
9th February 2025
77AQI
77AQI
10th February 2025
73AQI
73AQI
11th February 2025
71AQI
71AQI
12th February 2025
80AQI
80AQI
13th February 2025
83AQI
83AQI
14th February 2025
73AQI
73AQI
15th February 2025
68AQI
68AQI
16th February 2025
75AQI
75AQI
17th February 2025
58AQI
58AQI
18th February 2025
59AQI
59AQI
19th February 2025
64AQI
64AQI
20th February 2025
64AQI
64AQI
21st February 2025
67AQI
67AQI
22nd February 2025
66AQI
66AQI
23rd February 2025
70AQI
70AQI
24th February 2025
49AQI
49AQI
25th February 2025
55AQI
55AQI
26th February 2025
42AQI
42AQI
27th February 2025
40AQI
40AQI
28th February 2025
51AQI
51AQI
1st March 2025
52AQI
52AQI
2nd March 2025
58AQI
58AQI
3rd March 2025
57AQI
57AQI
4th March 2025
60AQI
60AQI
5th March 2025
63AQI
63AQI
6th March 2025
56AQI
56AQI
7th March 2025
61AQI
61AQI
8th March 2025
66AQI
66AQI
9th March 2025
67AQI
67AQI
10th March 2025
64AQI
64AQI
11th March 2025
67AQI
67AQI
12th March 2025
76AQI
76AQI
13th March 2025
90AQI
90AQI
14th March 2025
103AQI
103AQI
15th March 2025
103AQI
103AQI
16th March 2025
84AQI
84AQI
17th March 2025
80AQI
80AQI
18th March 2025
58AQI
58AQI
19th March 2025
76AQI
76AQI
20th March 2025
90AQI
90AQI
21st March 2025
112AQI
112AQI
22nd March 2025
107AQI
107AQI
23rd March 2025
100AQI
100AQI
24th March 2025
83AQI
83AQI
25th March 2025
74AQI
74AQI
26th March 2025
70AQI
70AQI
27th March 2025
69AQI
69AQI
28th March 2025
120AQI
120AQI
29th March 2025
134AQI
134AQI
30th March 2025
130AQI
130AQI
31st March 2025
134AQI
134AQI
1st April 2025
105AQI
105AQI
2nd April 2025
109AQI
109AQI
3rd April 2025
130AQI
130AQI
4th April 2025
115AQI
115AQI
5th April 2025
134AQI
134AQI
6th April 2025
117AQI
117AQI
7th April 2025
124AQI
124AQI
8th April 2025
113AQI
113AQI
9th April 2025
105AQI
105AQI
10th April 2025
111AQI
111AQI
11th April 2025
93AQI
93AQI
12th April 2025
81AQI
81AQI
13th April 2025
86AQI
86AQI
14th April 2025
81AQI
81AQI
15th April 2025
77AQI
77AQI
16th April 2025
57AQI
57AQI
17th April 2025
56AQI
56AQI
18th April 2025
55AQI
55AQI
19th April 2025
62AQI
62AQI
20th April 2025
63AQI
63AQI
21st April 2025
63AQI
63AQI
22nd April 2025
58AQI
58AQI
23rd April 2025
67AQI
67AQI
24th April 2025
76AQI
76AQI
25th April 2025
74AQI
74AQI
26th April 2025
93AQI
93AQI
27th April 2025
89AQI
89AQI
28th April 2025
89AQI
89AQI
29th April 2025
71AQI
71AQI
30th April 2025
77AQI
77AQI
1st May 2025
62AQI
62AQI
2nd May 2025
62AQI
62AQI
3rd May 2025
51AQI
51AQI
4th May 2025
42AQI
42AQI
5th May 2025
60AQI
60AQI
6th May 2025
57AQI
57AQI
7th May 2025
52AQI
52AQI
8th May 2025
58AQI
58AQI
9th May 2025
63AQI
63AQI
10th May 2025
62AQI
62AQI
11th May 2025
52AQI
52AQI
12th May 2025
63AQI
63AQI
13th May 2025
61AQI
61AQI
14th May 2025
62AQI
62AQI
15th May 2025
58AQI
58AQI
16th May 2025
58AQI
58AQI
17th May 2025
64AQI
64AQI
18th May 2025
58AQI
58AQI
19th May 2025
53AQI
53AQI
20th May 2025
60AQI
60AQI
21st May 2025
58AQI
58AQI
22nd May 2025
59AQI
59AQI
23rd May 2025
79AQI
79AQI
24th May 2025
59AQI
59AQI
25th May 2025
48AQI
48AQI
26th May 2025
44AQI
44AQI
27th May 2025
43AQI
43AQI
28th May 2025
36AQI
36AQI
29th May 2025
38AQI
38AQI
30th May 2025
31AQI
31AQI
31st May 2025
30AQI
30AQI
1st June 2025
29AQI
29AQI
2nd June 2025
35AQI
35AQI
3rd June 2025
35AQI
35AQI
4th June 2025
55AQI
55AQI
5th June 2025
44AQI
44AQI
6th June 2025
60AQI
60AQI
7th June 2025
58AQI
58AQI
8th June 2025
71AQI
71AQI
9th June 2025
70AQI
70AQI
10th June 2025
69AQI
69AQI
11th June 2025
63AQI
63AQI
12th June 2025
67AQI
67AQI
13th June 2025
72AQI
72AQI
14th June 2025
76AQI
76AQI
15th June 2025
68AQI
68AQI
16th June 2025
67AQI
67AQI
17th June 2025
55AQI
55AQI
18th June 2025
54AQI
54AQI
19th June 2025
50AQI
50AQI
20th June 2025
51AQI
51AQI
21st June 2025
55AQI
55AQI
22nd June 2025
55AQI
55AQI
23rd June 2025
50AQI
50AQI
24th June 2025
44AQI
44AQI
25th June 2025
43AQI
43AQI
26th June 2025
45AQI
45AQI
27th June 2025
43AQI
43AQI
28th June 2025
45AQI
45AQI
29th June 2025
42AQI
42AQI
30th June 2025
44AQI
44AQI
1st July 2025
41AQI
41AQI
2nd July 2025
35AQI
35AQI
3rd July 2025
34AQI
34AQI
4th July 2025
36AQI
36AQI
5th July 2025
35AQI
35AQI
6th July 2025
35AQI
35AQI
7th July 2025
37AQI
37AQI
8th July 2025
37AQI
37AQI
9th July 2025
35AQI
35AQI
10th July 2025
37AQI
37AQI
11th July 2025
36AQI
36AQI
12th July 2025
42AQI
42AQI
13th July 2025
47AQI
47AQI
14th July 2025
47AQI
47AQI
15th July 2025
53AQI
53AQI
16th July 2025
54AQI
54AQI
17th July 2025
53AQI
53AQI
18th July 2025
54AQI
54AQI
19th July 2025
47AQI
47AQI
20th July 2025
52AQI
52AQI
21st July 2025
50AQI
50AQI
22nd July 2025
44AQI
44AQI
23rd July 2025
44AQI
44AQI
24th July 2025
43AQI
43AQI
25th July 2025
44AQI
44AQI
26th July 2025
42AQI
42AQI
27th July 2025
45AQI
45AQI
28th July 2025
46AQI
46AQI
29th July 2025
51AQI
51AQI
30th July 2025
51AQI
51AQI
31st July 2025
52AQI
52AQI
1st August 2025
57AQI
57AQI
2nd August 2025
57AQI
57AQI
80AQI
69AQI
83AQI
88AQI
54AQI
54AQI
44AQI
57AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202567AQI
29
2
3
25
23
8
20
10
8
23
13
17
23
8
2
47
147
20
Highest AQI recorded in
April88AQI
Lowest AQI recorded in
July44AQI
202463AQI
1
27
3
21
8
19
12
18
12
11
20
19
11
27
4
14
17
19
11
15
16
12
18
6
25
124
207
35
Highest AQI recorded in
April97AQI
Lowest AQI recorded in
July34AQI
202373AQI
1
22
8
12
13
1
3
8
20
15
13
2
1
29
1
7
23
19
12
15
16
14
16
10
21
1
20
5
7
17
7
78
211
67
3
Highest AQI recorded in
February105AQI
Lowest AQI recorded in
July45AQI
202270AQI
1
27
2
14
6
1
18
13
1
18
10
8
22
1
20
10
9
12
1
12
15
1
7
23
1
2
27
1
4
25
2
64
212
37
1
Highest AQI recorded in
March99AQI
Lowest AQI recorded in
June46AQI
202177AQI
14
16
1
16
12
2
26
3
1
14
14
1
2
29
15
15
16
15
16
14
1
8
22
16
15
3
26
1
1
23
7
78
205
77
5
Highest AQI recorded in
March128AQI
Lowest AQI recorded in
July50AQI
202074AQI
1
10
2
7
12
2
17
1
11
19
9
8
2
18
13
8
21
1
11
19
1
3
20
7
23
8
60
148
42
4
Highest AQI recorded in
March127AQI
Lowest AQI recorded in
August51AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
77AQILeast Polluted Year Recorded
2024(Avg.)
63AQIBiji Square's annual 2025 AQI (67) shows an average percentage change of -5.3% (improved AQI) compared to previous years: 2020 (74), 2021 (77), 2022 (70), 2023 (73), 2024 (63).
