Dongfeng Reservoir, Yuxi, 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+
September Air Quality Analysis
Dongfeng Reservoir, Yuxi, Yunnan, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
26th Sep 2024
74AQILowest AQI recorded on
9th Sep 2024
13AQISame Day Analysis (26th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 20 of Good air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 26th Sep - 27th Sep 2025
Dongfeng Reservoir, Yuxi, Yunnan, China
AQI
Day
Night
.
5 AM26th Sep 2025
6 PM
4 AM27th Sep 2025
Day time
Avg. Highest Time
7AM26th Sep
21AQI
Avg. Lowest Time
10AM26th Sep
11AQI
Night time
Avg. Highest Time
12AM27th Sep
28AQI
Avg. Lowest Time
9PM26th Sep
13AQI
In the last 24 hours,
Dongfeng Reservoir's AQI reached its highest point of 28 at 12 AM during the Night, while the lowest point, 11, was recorded at 10 AM during the Day between 26th Sep and 27th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Dongfeng Reservoir, Yuxi, Yunnan, China
AugSep
28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th
Day
Night
28th Aug 2025465 AMAQI
28th Aug 2025456 AMAQI
28th Aug 2025457 AMAQI
28th Aug 2025368 AMAQI
28th Aug 2025269 AMAQI
28th Aug 20252210 AMAQI
28th Aug 20252611 AMAQI
28th Aug 20253512 PMAQI
28th Aug 2025401 PMAQI
28th Aug 2025302 PMAQI
28th Aug 2025263 PMAQI
28th Aug 2025404 PMAQI
28th Aug 2025295 PMAQI
28th Aug 2025346 PMAQI
28th Aug 2025437 PMAQI
28th Aug 2025488 PMAQI
28th Aug 2025489 PMAQI
28th Aug 20254810 PMAQI
28th Aug 20254811 PMAQI
29th Aug 20254612 AMAQI
29th Aug 2025461 AMAQI
29th Aug 2025482 AMAQI
29th Aug 2025463 AMAQI
29th Aug 2025464 AMAQI
17°C13/24°C
29th Aug 2025445 AMAQI
29th Aug 2025426 AMAQI
29th Aug 2025427 AMAQI
29th Aug 2025348 AMAQI
29th Aug 2025309 AMAQI
29th Aug 20252710 AMAQI
29th Aug 20252811 AMAQI
29th Aug 20253212 PMAQI
29th Aug 2025381 PMAQI
29th Aug 2025362 PMAQI
29th Aug 2025363 PMAQI
29th Aug 2025364 PMAQI
29th Aug 2025255 PMAQI
29th Aug 2025286 PMAQI
29th Aug 2025427 PMAQI
29th Aug 2025478 PMAQI
29th Aug 2025449 PMAQI
29th Aug 20254510 PMAQI
29th Aug 20254311 PMAQI
30th Aug 20254212 AMAQI
30th Aug 2025471 AMAQI
30th Aug 2025462 AMAQI
30th Aug 2025443 AMAQI
30th Aug 2025424 AMAQI
17°C13/24°C
30th Aug 2025425 AMAQI
30th Aug 2025426 AMAQI
30th Aug 2025447 AMAQI
30th Aug 2025378 AMAQI
30th Aug 2025459 AMAQI
30th Aug 20253510 AMAQI
30th Aug 20254011 AMAQI
30th Aug 20254012 PMAQI
30th Aug 2025381 PMAQI
30th Aug 2025282 PMAQI
30th Aug 2025283 PMAQI
30th Aug 2025344 PMAQI
30th Aug 2025285 PMAQI
30th Aug 2025306 PMAQI
30th Aug 2025367 PMAQI
30th Aug 2025378 PMAQI
30th Aug 2025469 PMAQI
30th Aug 20254410 PMAQI
30th Aug 20254911 PMAQI
31st Aug 20254212 AMAQI
31st Aug 2025431 AMAQI
31st Aug 2025442 AMAQI
31st Aug 2025453 AMAQI
31st Aug 2025444 AMAQI
17°C12/24°C
31st Aug 2025455 AMAQI
31st Aug 2025426 AMAQI
31st Aug 2025447 AMAQI
31st Aug 2025458 AMAQI
31st Aug 2025439 AMAQI
31st Aug 20254410 AMAQI
31st Aug 20254911 AMAQI
31st Aug 20254512 PMAQI
31st Aug 2025441 PMAQI
31st Aug 2025352 PMAQI
31st Aug 2025283 PMAQI
31st Aug 2025304 PMAQI
31st Aug 2025395 PMAQI
31st Aug 2025346 PMAQI
31st Aug 2025417 PMAQI
31st Aug 2025438 PMAQI
31st Aug 2025449 PMAQI
31st Aug 20254610 PMAQI
31st Aug 20254411 PMAQI
1st Sep 20254812 AMAQI
1st Sep 2025481 AMAQI
1st Sep 2025482 AMAQI
1st Sep 2025503 AMAQI
1st Sep 2025484 AMAQI
18°C13/26°C
1st Sep 2025495 AMAQI
1st Sep 2025496 AMAQI
1st Sep 2025487 AMAQI
1st Sep 2025488 AMAQI
1st Sep 2025509 AMAQI
1st Sep 20255310 AMAQI
1st Sep 20255211 AMAQI
1st Sep 20255812 PMAQI
1st Sep 2025501 PMAQI
1st Sep 2025532 PMAQI
1st Sep 2025483 PMAQI
1st Sep 2025404 PMAQI
1st Sep 2025365 PMAQI
1st Sep 2025366 PMAQI
1st Sep 2025467 PMAQI
1st Sep 2025508 PMAQI
1st Sep 2025529 PMAQI
1st Sep 20255410 PMAQI
1st Sep 20255211 PMAQI
2nd Sep 20255212 AMAQI
2nd Sep 2025481 AMAQI
2nd Sep 2025482 AMAQI
2nd Sep 2025503 AMAQI
2nd Sep 2025504 AMAQI
18°C13/25°C
2nd Sep 2025515 AMAQI
2nd Sep 2025496 AMAQI
2nd Sep 2025517 AMAQI
2nd Sep 2025638 AMAQI
2nd Sep 2025619 AMAQI
2nd Sep 20255510 AMAQI
2nd Sep 20255511 AMAQI
2nd Sep 20255312 PMAQI
2nd Sep 2025441 PMAQI
2nd Sep 2025382 PMAQI
2nd Sep 2025403 PMAQI
2nd Sep 2025454 PMAQI
2nd Sep 2025425 PMAQI
2nd Sep 2025426 PMAQI
2nd Sep 2025487 PMAQI
2nd Sep 2025468 PMAQI
2nd Sep 2025529 PMAQI
2nd Sep 20255210 PMAQI
2nd Sep 20255111 PMAQI
3rd Sep 20255012 AMAQI
3rd Sep 2025521 AMAQI
3rd Sep 2025512 AMAQI
3rd Sep 2025523 AMAQI
3rd Sep 2025524 AMAQI
19°C14/25°C
3rd Sep 2025525 AMAQI
3rd Sep 2025526 AMAQI
3rd Sep 2025537 AMAQI
3rd Sep 2025458 AMAQI
3rd Sep 2025549 AMAQI
3rd Sep 20253910 AMAQI
3rd Sep 20254511 AMAQI
3rd Sep 20253712 PMAQI
3rd Sep 2025361 PMAQI
3rd Sep 2025312 PMAQI
3rd Sep 2025243 PMAQI
3rd Sep 2025344 PMAQI
3rd Sep 2025265 PMAQI
3rd Sep 2025326 PMAQI
3rd Sep 2025437 PMAQI
3rd Sep 2025408 PMAQI
3rd Sep 2025489 PMAQI
3rd Sep 20255310 PMAQI
3rd Sep 20255211 PMAQI
4th Sep 20255212 AMAQI
4th Sep 2025521 AMAQI
4th Sep 2025522 AMAQI
4th Sep 2025523 AMAQI
4th Sep 2025524 AMAQI
19°C14/27°C
4th Sep 2025525 AMAQI
4th Sep 2025536 AMAQI
4th Sep 2025527 AMAQI
4th Sep 2025468 AMAQI
4th Sep 2025459 AMAQI
4th Sep 20253610 AMAQI
4th Sep 20254111 AMAQI
4th Sep 20255212 PMAQI
4th Sep 2025331 PMAQI
4th Sep 2025352 PMAQI
4th Sep 2025303 PMAQI
4th Sep 2025284 PMAQI
4th Sep 2025215 PMAQI
4th Sep 2025226 PMAQI
4th Sep 2025227 PMAQI
4th Sep 2025268 PMAQI
4th Sep 2025349 PMAQI
4th Sep 20253610 PMAQI
4th Sep 20253011 PMAQI
5th Sep 20253412 AMAQI
5th Sep 2025521 AMAQI
5th Sep 2025522 AMAQI
5th Sep 2025523 AMAQI
5th Sep 2025504 AMAQI
20°C14/27°C
5th Sep 2025535 AMAQI
5th Sep 2025526 AMAQI
5th Sep 2025507 AMAQI
5th Sep 2025468 AMAQI
5th Sep 2025359 AMAQI
5th Sep 20255010 AMAQI
5th Sep 20253111 AMAQI
5th Sep 20253012 PMAQI
5th Sep 2025371 PMAQI
5th Sep 2025402 PMAQI
5th Sep 2025343 PMAQI
5th Sep 2025324 PMAQI
5th Sep 2025325 PMAQI
5th Sep 2025386 PMAQI
5th Sep 2025387 PMAQI
5th Sep 2025468 PMAQI
5th Sep 2025509 PMAQI
5th Sep 20254810 PMAQI
5th Sep 20255711 PMAQI
6th Sep 20255412 AMAQI
6th Sep 2025461 AMAQI
6th Sep 2025422 AMAQI
6th Sep 2025503 AMAQI
6th Sep 2025494 AMAQI
20°C14/27°C
6th Sep 2025525 AMAQI
6th Sep 2025516 AMAQI
6th Sep 2025497 AMAQI
6th Sep 2025288 AMAQI
6th Sep 2025399 AMAQI
6th Sep 20254110 AMAQI
6th Sep 20254811 AMAQI
6th Sep 20254912 PMAQI
6th Sep 2025451 PMAQI
6th Sep 2025522 PMAQI
6th Sep 2025433 PMAQI
6th Sep 2025404 PMAQI
6th Sep 2025445 PMAQI
6th Sep 2025436 PMAQI
6th Sep 2025497 PMAQI
6th Sep 2025538 PMAQI
6th Sep 2025539 PMAQI
6th Sep 20255510 PMAQI
6th Sep 20255511 PMAQI
7th Sep 20255412 AMAQI
7th Sep 2025521 AMAQI
7th Sep 2025542 AMAQI
7th Sep 2025533 AMAQI
7th Sep 2025524 AMAQI
20°C15/25°C
7th Sep 2025525 AMAQI
7th Sep 2025526 AMAQI
7th Sep 2025527 AMAQI
7th Sep 2025508 AMAQI
7th Sep 2025529 AMAQI
7th Sep 20256010 AMAQI
7th Sep 20255011 AMAQI
7th Sep 20255512 PMAQI
7th Sep 2025441 PMAQI
7th Sep 2025442 PMAQI
7th Sep 2025413 PMAQI
7th Sep 2025504 PMAQI
7th Sep 2025495 PMAQI
7th Sep 2025446 PMAQI
7th Sep 2025517 PMAQI
7th Sep 2025518 PMAQI
7th Sep 2025549 PMAQI
7th Sep 20255210 PMAQI
7th Sep 20255211 PMAQI
8th Sep 20255312 AMAQI
8th Sep 2025541 AMAQI
8th Sep 2025542 AMAQI
8th Sep 2025543 AMAQI
8th Sep 2025544 AMAQI
19°C14/25°C
8th Sep 2025525 AMAQI
8th Sep 2025546 AMAQI
8th Sep 2025547 AMAQI
8th Sep 2025518 AMAQI
8th Sep 2025559 AMAQI
8th Sep 20255810 AMAQI
8th Sep 20255411 AMAQI
8th Sep 20254612 PMAQI
8th Sep 2025451 PMAQI
8th Sep 2025402 PMAQI
8th Sep 2025433 PMAQI
8th Sep 2025364 PMAQI
8th Sep 2025345 PMAQI
8th Sep 2025426 PMAQI
8th Sep 2025497 PMAQI
8th Sep 2025538 PMAQI
8th Sep 2025559 PMAQI
8th Sep 20255610 PMAQI
8th Sep 20256011 PMAQI
9th Sep 20255312 AMAQI
9th Sep 2025541 AMAQI
9th Sep 2025542 AMAQI
9th Sep 2025543 AMAQI
9th Sep 2025534 AMAQI
18°C13/25°C
9th Sep 2025545 AMAQI
9th Sep 2025546 AMAQI
9th Sep 2025547 AMAQI
9th Sep 2025528 AMAQI
9th Sep 2025449 AMAQI
9th Sep 20254610 AMAQI
9th Sep 20253611 AMAQI
9th Sep 20253512 PMAQI
9th Sep 2025401 PMAQI
9th Sep 2025352 PMAQI
9th Sep 2025383 PMAQI
9th Sep 2025344 PMAQI
9th Sep 2025305 PMAQI
9th Sep 2025406 PMAQI
9th Sep 2025427 PMAQI
9th Sep 2025528 PMAQI
9th Sep 2025529 PMAQI
9th Sep 20255410 PMAQI
9th Sep 20255311 PMAQI
10th Sep 20255512 AMAQI
10th Sep 2025561 AMAQI
10th Sep 2025562 AMAQI
10th Sep 2025543 AMAQI
10th Sep 2025544 AMAQI
18°C15/25°C
10th Sep 2025545 AMAQI
10th Sep 2025536 AMAQI
10th Sep 2025537 AMAQI
10th Sep 2025378 AMAQI
10th Sep 2025479 AMAQI
10th Sep 20254310 AMAQI
10th Sep 20254011 AMAQI
10th Sep 20255612 PMAQI
10th Sep 2025351 PMAQI
10th Sep 2025422 PMAQI
10th Sep 2025403 PMAQI
10th Sep 2025364 PMAQI
10th Sep 2025345 PMAQI
10th Sep 2025256 PMAQI
10th Sep 2025437 PMAQI
10th Sep 2025468 PMAQI
10th Sep 2025539 PMAQI
10th Sep 20254710 PMAQI
10th Sep 20255211 PMAQI
11th Sep 20255312 AMAQI
11th Sep 2025551 AMAQI
11th Sep 2025562 AMAQI
11th Sep 2025543 AMAQI
11th Sep 2025544 AMAQI
18°C14/23°C
11th Sep 2025545 AMAQI
11th Sep 2025546 AMAQI
11th Sep 2025537 AMAQI
11th Sep 2025268 AMAQI
11th Sep 2025309 AMAQI
11th Sep 20252910 AMAQI
11th Sep 20253411 AMAQI
11th Sep 20252712 PMAQI
11th Sep 2025341 PMAQI
11th Sep 2025282 PMAQI
11th Sep 2025283 PMAQI
11th Sep 2025244 PMAQI
11th Sep 2025265 PMAQI
11th Sep 2025366 PMAQI
11th Sep 2025397 PMAQI
11th Sep 2025488 PMAQI
11th Sep 2025539 PMAQI
11th Sep 20255210 PMAQI
11th Sep 20255211 PMAQI
12th Sep 20255212 AMAQI
12th Sep 2025541 AMAQI
12th Sep 2025542 AMAQI
12th Sep 2025533 AMAQI
12th Sep 2025524 AMAQI
18°C14/23°C
12th Sep 2025525 AMAQI
12th Sep 2025526 AMAQI
12th Sep 2025527 AMAQI
12th Sep 2025308 AMAQI
12th Sep 2025289 AMAQI
12th Sep 20252610 AMAQI
12th Sep 20253211 AMAQI
12th Sep 20253212 PMAQI
12th Sep 2025351 PMAQI
12th Sep 2025352 PMAQI
12th Sep 2025263 PMAQI
12th Sep 2025224 PMAQI
12th Sep 2025215 PMAQI
12th Sep 2025216 PMAQI
12th Sep 2025347 PMAQI
12th Sep 2025408 PMAQI
12th Sep 2025409 PMAQI
12th Sep 20254410 PMAQI
12th Sep 20254211 PMAQI
13th Sep 20254612 AMAQI
13th Sep 2025521 AMAQI
13th Sep 2025532 AMAQI
13th Sep 2025503 AMAQI
13th Sep 2025504 AMAQI
18°C15/23°C
13th Sep 2025505 AMAQI
13th Sep 2025516 AMAQI
13th Sep 2025507 AMAQI
13th Sep 2025278 AMAQI
13th Sep 2025319 AMAQI
13th Sep 20252310 AMAQI
13th Sep 20252211 AMAQI
13th Sep 20253112 PMAQI
13th Sep 2025311 PMAQI
13th Sep 2025412 PMAQI
13th Sep 2025543 PMAQI
13th Sep 2025324 PMAQI
13th Sep 2025295 PMAQI
13th Sep 2025236 PMAQI
13th Sep 2025377 PMAQI
13th Sep 2025428 PMAQI
13th Sep 2025469 PMAQI
13th Sep 20254610 PMAQI
13th Sep 20254511 PMAQI
14th Sep 20254812 AMAQI
14th Sep 2025501 AMAQI
14th Sep 2025522 AMAQI
14th Sep 2025483 AMAQI
14th Sep 2025504 AMAQI
17°C14/22°C
14th Sep 2025485 AMAQI
14th Sep 2025486 AMAQI
14th Sep 2025487 AMAQI
14th Sep 2025288 AMAQI
14th Sep 2025239 AMAQI
14th Sep 20252810 AMAQI
14th Sep 20252911 AMAQI
14th Sep 20253512 PMAQI
14th Sep 2025361 PMAQI
14th Sep 2025422 PMAQI
14th Sep 2025363 PMAQI
14th Sep 2025364 PMAQI
14th Sep 2025365 PMAQI
14th Sep 2025386 PMAQI
14th Sep 2025367 PMAQI
14th Sep 2025478 PMAQI
14th Sep 2025469 PMAQI
14th Sep 20254910 PMAQI
14th Sep 20254811 PMAQI
15th Sep 20255112 AMAQI
15th Sep 2025501 AMAQI
15th Sep 2025522 AMAQI
15th Sep 2025483 AMAQI
15th Sep 2025484 AMAQI
18°C14/23°C
15th Sep 2025485 AMAQI
15th Sep 2025466 AMAQI
15th Sep 2025467 AMAQI
15th Sep 2025548 AMAQI
15th Sep 2025479 AMAQI
15th Sep 20254010 AMAQI
15th Sep 20254211 AMAQI
15th Sep 20254212 PMAQI
15th Sep 2025231 PMAQI
15th Sep 2025262 PMAQI
15th Sep 2025243 PMAQI
15th Sep 2025404 PMAQI
15th Sep 2025215 PMAQI
15th Sep 2025306 PMAQI
15th Sep 2025467 PMAQI
15th Sep 2025468 PMAQI
15th Sep 2025409 PMAQI
15th Sep 20254610 PMAQI
15th Sep 20255211 PMAQI
16th Sep 20254512 AMAQI
16th Sep 2025511 AMAQI
16th Sep 2025512 AMAQI
16th Sep 2025503 AMAQI
16th Sep 2025484 AMAQI
18°C14/22°C
16th Sep 2025495 AMAQI
16th Sep 2025476 AMAQI
16th Sep 2025487 AMAQI
16th Sep 2025408 AMAQI
16th Sep 2025369 AMAQI
16th Sep 20254010 AMAQI
16th Sep 20253811 AMAQI
16th Sep 20253312 PMAQI
16th Sep 2025331 PMAQI
16th Sep 2025332 PMAQI
16th Sep 2025223 PMAQI
16th Sep 2025204 PMAQI
16th Sep 2025185 PMAQI
16th Sep 2025266 PMAQI
16th Sep 2025387 PMAQI
16th Sep 2025478 PMAQI
16th Sep 2025469 PMAQI
16th Sep 20254810 PMAQI
16th Sep 20254511 PMAQI
17th Sep 20254512 AMAQI
17th Sep 2025511 AMAQI
17th Sep 2025502 AMAQI
17th Sep 2025483 AMAQI
17th Sep 2025464 AMAQI
18°C13/24°C
17th Sep 2025465 AMAQI
17th Sep 2025466 AMAQI
17th Sep 2025477 AMAQI
17th Sep 2025508 AMAQI
17th Sep 2025559 AMAQI
17th Sep 20255610 AMAQI
17th Sep 20254811 AMAQI
17th Sep 20254812 PMAQI
17th Sep 2025441 PMAQI
17th Sep 2025402 PMAQI
17th Sep 2025353 PMAQI
17th Sep 2025374 PMAQI
17th Sep 2025375 PMAQI
17th Sep 2025326 PMAQI
17th Sep 2025437 PMAQI
17th Sep 2025468 PMAQI
17th Sep 2025429 PMAQI
17th Sep 20254210 PMAQI
17th Sep 20254711 PMAQI
18th Sep 20254912 AMAQI
18th Sep 2025491 AMAQI
18th Sep 2025502 AMAQI
18th Sep 2025503 AMAQI
18th Sep 2025504 AMAQI
17°C13/24°C
18th Sep 2025495 AMAQI
18th Sep 2025486 AMAQI
18th Sep 2025497 AMAQI
18th Sep 2025508 AMAQI
18th Sep 2025509 AMAQI
18th Sep 20255610 AMAQI
18th Sep 20255111 AMAQI
18th Sep 20254912 PMAQI
18th Sep 2025461 PMAQI
18th Sep 2025482 PMAQI
18th Sep 2025423 PMAQI
18th Sep 2025424 PMAQI
18th Sep 2025405 PMAQI
18th Sep 2025466 PMAQI
18th Sep 2025547 PMAQI
18th Sep 2025538 PMAQI
18th Sep 2025529 PMAQI
18th Sep 20255210 PMAQI
18th Sep 20255311 PMAQI
19th Sep 20255312 AMAQI
19th Sep 2025521 AMAQI
19th Sep 2025512 AMAQI
19th Sep 2025513 AMAQI
19th Sep 2025524 AMAQI
17°C13/23°C
19th Sep 2025525 AMAQI
19th Sep 2025526 AMAQI
19th Sep 2025517 AMAQI
19th Sep 2025428 AMAQI
19th Sep 2025409 AMAQI
19th Sep 20253710 AMAQI
19th Sep 20253511 AMAQI
19th Sep 20254212 PMAQI
19th Sep 2025461 PMAQI
19th Sep 2025452 PMAQI
19th Sep 2025433 PMAQI
19th Sep 2025364 PMAQI
19th Sep 2025305 PMAQI
19th Sep 2025306 PMAQI
19th Sep 2025387 PMAQI
19th Sep 2025468 PMAQI
19th Sep 2025519 PMAQI
19th Sep 20255210 PMAQI
19th Sep 20255011 PMAQI
20th Sep 20255112 AMAQI
20th Sep 2025521 AMAQI
20th Sep 2025532 AMAQI
20th Sep 2025543 AMAQI
20th Sep 2025524 AMAQI
18°C14/24°C
20th Sep 2025515 AMAQI
20th Sep 2025526 AMAQI
20th Sep 2025527 AMAQI
20th Sep 2025408 AMAQI
20th Sep 2025429 AMAQI
20th Sep 20254810 AMAQI
20th Sep 20254711 AMAQI
20th Sep 20253812 PMAQI
20th Sep 2025341 PMAQI
20th Sep 2025322 PMAQI
20th Sep 2025363 PMAQI
20th Sep 2025374 PMAQI
20th Sep 2025305 PMAQI
20th Sep 2025286 PMAQI
20th Sep 2025377 PMAQI
20th Sep 2025468 PMAQI
20th Sep 2025509 PMAQI
20th Sep 20255310 PMAQI
20th Sep 20255211 PMAQI
21st Sep 20255212 AMAQI
21st Sep 2025531 AMAQI
21st Sep 2025522 AMAQI
21st Sep 2025523 AMAQI
21st Sep 2025524 AMAQI
18°C13/25°C
21st Sep 2025525 AMAQI
21st Sep 2025526 AMAQI
21st Sep 2025527 AMAQI
21st Sep 2025428 AMAQI
21st Sep 2025369 AMAQI
21st Sep 20253710 AMAQI
21st Sep 20253411 AMAQI
21st Sep 20253412 PMAQI
21st Sep 2025321 PMAQI
21st Sep 2025322 PMAQI
21st Sep 2025283 PMAQI
21st Sep 2025284 PMAQI
21st Sep 2025265 PMAQI
21st Sep 2025276 PMAQI
21st Sep 2025287 PMAQI
21st Sep 2025418 PMAQI
21st Sep 2025499 PMAQI
21st Sep 20255210 PMAQI
21st Sep 20255011 PMAQI
22nd Sep 20254912 AMAQI
22nd Sep 2025521 AMAQI
22nd Sep 2025522 AMAQI
22nd Sep 2025523 AMAQI
22nd Sep 2025524 AMAQI
19°C13/26°C
22nd Sep 2025515 AMAQI
22nd Sep 2025516 AMAQI
22nd Sep 2025527 AMAQI
22nd Sep 2025368 AMAQI
22nd Sep 2025389 AMAQI
22nd Sep 20253610 AMAQI
22nd Sep 20252611 AMAQI
22nd Sep 20252912 PMAQI
22nd Sep 2025331 PMAQI
22nd Sep 2025322 PMAQI
22nd Sep 2025283 PMAQI
22nd Sep 2025304 PMAQI
22nd Sep 2025325 PMAQI
22nd Sep 2025296 PMAQI
22nd Sep 2025317 PMAQI
22nd Sep 2025408 PMAQI
22nd Sep 2025449 PMAQI
22nd Sep 20255110 PMAQI
22nd Sep 20255211 PMAQI
23rd Sep 20254812 AMAQI
23rd Sep 2025521 AMAQI
23rd Sep 2025522 AMAQI
23rd Sep 2025523 AMAQI
23rd Sep 2025504 AMAQI
18°C14/24°C
23rd Sep 2025505 AMAQI
23rd Sep 2025506 AMAQI
23rd Sep 2025507 AMAQI
23rd Sep 2025258 AMAQI
23rd Sep 2025199 AMAQI
23rd Sep 20252110 AMAQI
23rd Sep 20252011 AMAQI
23rd Sep 20252412 PMAQI
23rd Sep 2025241 PMAQI
23rd Sep 2025262 PMAQI
23rd Sep 2025223 PMAQI
23rd Sep 2025234 PMAQI
23rd Sep 2025285 PMAQI
23rd Sep 2025286 PMAQI
23rd Sep 2025287 PMAQI
23rd Sep 2025398 PMAQI
23rd Sep 2025459 PMAQI
23rd Sep 20254410 PMAQI
23rd Sep 20254411 PMAQI
24th Sep 20254412 AMAQI
24th Sep 2025521 AMAQI
24th Sep 2025522 AMAQI
24th Sep 2025503 AMAQI
24th Sep 2025474 AMAQI
17°C14/22°C
24th Sep 2025485 AMAQI
24th Sep 2025486 AMAQI
24th Sep 2025487 AMAQI
24th Sep 2025248 AMAQI
24th Sep 2025179 AMAQI
24th Sep 20251510 AMAQI
24th Sep 20251811 AMAQI
24th Sep 20252212 PMAQI
24th Sep 2025231 PMAQI
24th Sep 2025182 PMAQI
24th Sep 2025183 PMAQI
24th Sep 2025184 PMAQI
24th Sep 2025205 PMAQI
24th Sep 2025196 PMAQI
24th Sep 2025237 PMAQI
24th Sep 2025358 PMAQI
24th Sep 2025389 PMAQI
24th Sep 20253610 PMAQI
24th Sep 20254011 PMAQI
25th Sep 20254012 AMAQI
25th Sep 2025491 AMAQI
25th Sep 2025502 AMAQI
25th Sep 2025463 AMAQI
25th Sep 2025434 AMAQI
17°C14/23°C
25th Sep 2025445 AMAQI
25th Sep 2025446 AMAQI
25th Sep 2025447 AMAQI
25th Sep 2025388 AMAQI
25th Sep 2025359 AMAQI
25th Sep 20254010 AMAQI
25th Sep 20253811 AMAQI
25th Sep 20253912 PMAQI
25th Sep 2025411 PMAQI
25th Sep 2025372 PMAQI
25th Sep 2025323 PMAQI
25th Sep 2025294 PMAQI
25th Sep 2025225 PMAQI
25th Sep 2025256 PMAQI
25th Sep 2025287 PMAQI
25th Sep 2025338 PMAQI
25th Sep 2025319 PMAQI
25th Sep 20252710 PMAQI
25th Sep 20252811 PMAQI
26th Sep 20252712 AMAQI
26th Sep 2025201 AMAQI
26th Sep 2025112 AMAQI
26th Sep 2025113 AMAQI
26th Sep 2025124 AMAQI
15°C11/22°C
26th Sep 2025165 AMAQI
26th Sep 2025206 AMAQI
26th Sep 2025217 AMAQI
26th Sep 2025218 AMAQI
26th Sep 2025159 AMAQI
26th Sep 20251110 AMAQI
26th Sep 20251311 AMAQI
26th Sep 20251212 PMAQI
26th Sep 2025161 PMAQI
26th Sep 2025132 PMAQI
26th Sep 2025133 PMAQI
26th Sep 2025164 PMAQI
26th Sep 2025145 PMAQI
26th Sep 2025146 PMAQI
26th Sep 2025147 PMAQI
26th Sep 2025148 PMAQI
26th Sep 2025139 PMAQI
26th Sep 20252010 PMAQI
26th Sep 20252411 PMAQI
27th Sep 20252812 AMAQI
27th Sep 2025281 AMAQI
27th Sep 2025272 AMAQI
27th Sep 2025213 AMAQI
27th Sep 2025204 AMAQI
14°C12/17°C
27th Sep 2025205 AMAQI
5 AM27th Sep 2025216 AMAQI
27th Sep 2025227 AMAQI
27th Sep 2025238 AMAQI
27th Sep 2025249 AMAQI
27th Sep 20252010 AMAQI
27th Sep 20252611 AMAQI
11 AM27th Sep 20251912 PMAQI
27th Sep 2025181 PMAQI
27th Sep 2025212 PMAQI
27th Sep 2025193 PMAQI
27th Sep 2025144 PMAQI
6 PM
11 PM
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
30AQI
1 hours / Day
30 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 5 PM (Avg. 30).
Night time
Avg. Highest Time
1 AM - 4 AM
48AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM
38AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 4 AM (Avg. 48), while the lowest AQI was between 7 PM to 7 PM (Avg. 38).
2025 Days Vs Air Quality
Dongfeng Reservoir, Yuxi, Yunnan, China
2025
40%
107
53%
142
7%
20
Total number of days with different AQI categories in last 270 days in 2025 (95 days remaining)
Good
107 DaysModerate
142 DaysPoor
20 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 40%
Health Risk Level:
Significant
In 2025, 40% of 270 days were within WHO’s safe air quality limits, and 60% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Dongfeng Reservoir, Yuxi, 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
61AQI
61AQI
2nd January 2025
69AQI
69AQI
3rd January 2025
78AQI
78AQI
4th January 2025
71AQI
71AQI
5th January 2025
73AQI
73AQI
6th January 2025
91AQI
91AQI
7th January 2025
71AQI
71AQI
8th January 2025
72AQI
72AQI
9th January 2025
84AQI
84AQI
10th January 2025
72AQI
72AQI
11th January 2025
61AQI
61AQI
12th January 2025
80AQI
80AQI
13th January 2025
72AQI
72AQI
14th January 2025
77AQI
77AQI
15th January 2025
109AQI
109AQI
16th January 2025
107AQI
107AQI
17th January 2025
94AQI
94AQI
18th January 2025
85AQI
85AQI
19th January 2025
100AQI
100AQI
20th January 2025
92AQI
92AQI
21st January 2025
83AQI
83AQI
22nd January 2025
73AQI
73AQI
23rd January 2025
72AQI
72AQI
24th January 2025
57AQI
57AQI
25th January 2025
57AQI
57AQI
26th January 2025
46AQI
46AQI
27th January 2025
66AQI
66AQI
28th January 2025
90AQI
90AQI
29th January 2025
108AQI
108AQI
30th January 2025
76AQI
76AQI
31st January 2025
82AQI
82AQI
1st February 2025
87AQI
87AQI
2nd February 2025
91AQI
91AQI
3rd February 2025
58AQI
58AQI
4th February 2025
88AQI
88AQI
5th February 2025
93AQI
93AQI
6th February 2025
98AQI
98AQI
7th February 2025
77AQI
77AQI
8th February 2025
93AQI
93AQI
9th February 2025
80AQI
80AQI
10th February 2025
81AQI
81AQI
11th February 2025
84AQI
84AQI
12th February 2025
84AQI
84AQI
13th February 2025
91AQI
91AQI
14th February 2025
77AQI
77AQI
15th February 2025
70AQI
70AQI
16th February 2025
79AQI
79AQI
17th February 2025
67AQI
67AQI
18th February 2025
65AQI
65AQI
19th February 2025
65AQI
65AQI
20th February 2025
71AQI
71AQI
21st February 2025
75AQI
75AQI
22nd February 2025
70AQI
70AQI
23rd February 2025
71AQI
71AQI
24th February 2025
43AQI
43AQI
25th February 2025
52AQI
52AQI
26th February 2025
42AQI
42AQI
27th February 2025
48AQI
48AQI
28th February 2025
52AQI
52AQI
1st March 2025
56AQI
56AQI
2nd March 2025
60AQI
60AQI
3rd March 2025
64AQI
64AQI
4th March 2025
68AQI
68AQI
5th March 2025
73AQI
73AQI
6th March 2025
69AQI
69AQI
7th March 2025
64AQI
64AQI
8th March 2025
66AQI
66AQI
9th March 2025
67AQI
67AQI
10th March 2025
62AQI
62AQI
11th March 2025
71AQI
71AQI
12th March 2025
77AQI
77AQI
13th March 2025
91AQI
91AQI
14th March 2025
99AQI
99AQI
15th March 2025
103AQI
103AQI
16th March 2025
90AQI
90AQI
17th March 2025
94AQI
94AQI
18th March 2025
62AQI
62AQI
19th March 2025
73AQI
73AQI
20th March 2025
83AQI
83AQI
21st March 2025
114AQI
114AQI
22nd March 2025
110AQI
110AQI
23rd March 2025
100AQI
100AQI
24th March 2025
85AQI
85AQI
25th March 2025
82AQI
82AQI
26th March 2025
84AQI
84AQI
27th March 2025
86AQI
86AQI
28th March 2025
133AQI
133AQI
29th March 2025
140AQI
140AQI
30th March 2025
149AQI
149AQI
31st March 2025
141AQI
141AQI
1st April 2025
100AQI
100AQI
2nd April 2025
133AQI
133AQI
3rd April 2025
130AQI
130AQI
4th April 2025
135AQI
135AQI
5th April 2025
145AQI
145AQI
6th April 2025
133AQI
133AQI
7th April 2025
130AQI
130AQI
8th April 2025
118AQI
118AQI
9th April 2025
112AQI
112AQI
10th April 2025
111AQI
111AQI
11th April 2025
99AQI
99AQI
12th April 2025
77AQI
77AQI
13th April 2025
87AQI
87AQI
14th April 2025
78AQI
78AQI
15th April 2025
74AQI
74AQI
16th April 2025
56AQI
56AQI
17th April 2025
48AQI
48AQI
18th April 2025
60AQI
60AQI
19th April 2025
59AQI
59AQI
20th April 2025
65AQI
65AQI
21st April 2025
62AQI
62AQI
22nd April 2025
60AQI
60AQI
23rd April 2025
74AQI
74AQI
24th April 2025
80AQI
80AQI
25th April 2025
86AQI
86AQI
26th April 2025
96AQI
96AQI
27th April 2025
92AQI
92AQI
28th April 2025
106AQI
106AQI
29th April 2025
74AQI
74AQI
30th April 2025
72AQI
72AQI
1st May 2025
64AQI
64AQI
2nd May 2025
64AQI
64AQI
3rd May 2025
53AQI
53AQI
4th May 2025
47AQI
47AQI
5th May 2025
54AQI
54AQI
6th May 2025
54AQI
54AQI
7th May 2025
54AQI
54AQI
8th May 2025
59AQI
59AQI
9th May 2025
68AQI
68AQI
10th May 2025
68AQI
68AQI
11th May 2025
49AQI
49AQI
12th May 2025
61AQI
61AQI
13th May 2025
59AQI
59AQI
14th May 2025
61AQI
61AQI
15th May 2025
53AQI
53AQI
16th May 2025
53AQI
53AQI
17th May 2025
58AQI
58AQI
18th May 2025
42AQI
42AQI
19th May 2025
54AQI
54AQI
20th May 2025
57AQI
57AQI
21st May 2025
60AQI
60AQI
22nd May 2025
58AQI
58AQI
23rd May 2025
72AQI
72AQI
24th May 2025
60AQI
60AQI
25th May 2025
56AQI
56AQI
26th May 2025
42AQI
42AQI
27th May 2025
44AQI
44AQI
28th May 2025
38AQI
38AQI
29th May 2025
34AQI
34AQI
30th May 2025
35AQI
35AQI
31st May 2025
34AQI
34AQI
1st June 2025
32AQI
32AQI
2nd June 2025
35AQI
35AQI
3rd June 2025
34AQI
34AQI
4th June 2025
50AQI
50AQI
5th June 2025
47AQI
47AQI
6th June 2025
60AQI
60AQI
7th June 2025
58AQI
58AQI
8th June 2025
58AQI
58AQI
9th June 2025
54AQI
54AQI
10th June 2025
60AQI
60AQI
11th June 2025
60AQI
60AQI
12th June 2025
63AQI
63AQI
13th June 2025
64AQI
64AQI
14th June 2025
68AQI
68AQI
15th June 2025
65AQI
65AQI
16th June 2025
59AQI
59AQI
17th June 2025
52AQI
52AQI
18th June 2025
46AQI
46AQI
19th June 2025
42AQI
42AQI
20th June 2025
42AQI
42AQI
21st June 2025
38AQI
38AQI
22nd June 2025
27AQI
27AQI
23rd June 2025
28AQI
28AQI
24th June 2025
29AQI
29AQI
25th June 2025
30AQI
30AQI
26th June 2025
31AQI
31AQI
27th June 2025
32AQI
32AQI
28th June 2025
37AQI
37AQI
29th June 2025
32AQI
32AQI
30th June 2025
38AQI
38AQI
1st July 2025
35AQI
35AQI
2nd July 2025
30AQI
30AQI
3rd July 2025
34AQI
34AQI
4th July 2025
36AQI
36AQI
5th July 2025
36AQI
36AQI
6th July 2025
33AQI
33AQI
7th July 2025
38AQI
38AQI
8th July 2025
35AQI
35AQI
9th July 2025
33AQI
33AQI
10th July 2025
39AQI
39AQI
11th July 2025
39AQI
39AQI
12th July 2025
42AQI
42AQI
13th July 2025
48AQI
48AQI
14th July 2025
47AQI
47AQI
15th July 2025
50AQI
50AQI
16th July 2025
56AQI
56AQI
17th July 2025
52AQI
52AQI
18th July 2025
49AQI
49AQI
19th July 2025
47AQI
47AQI
20th July 2025
52AQI
52AQI
21st July 2025
46AQI
46AQI
22nd July 2025
38AQI
38AQI
23rd July 2025
36AQI
36AQI
24th July 2025
33AQI
33AQI
25th July 2025
34AQI
34AQI
26th July 2025
35AQI
35AQI
27th July 2025
36AQI
36AQI
28th July 2025
47AQI
47AQI
29th July 2025
55AQI
55AQI
30th July 2025
57AQI
57AQI
31st July 2025
46AQI
46AQI
1st August 2025
55AQI
55AQI
2nd August 2025
53AQI
53AQI
3rd August 2025
50AQI
50AQI
4th August 2025
44AQI
44AQI
5th August 2025
55AQI
55AQI
6th August 2025
51AQI
51AQI
7th August 2025
44AQI
44AQI
8th August 2025
37AQI
37AQI
9th August 2025
35AQI
35AQI
10th August 2025
38AQI
38AQI
11th August 2025
37AQI
37AQI
12th August 2025
37AQI
37AQI
13th August 2025
39AQI
39AQI
14th August 2025
51AQI
51AQI
15th August 2025
55AQI
55AQI
16th August 2025
45AQI
45AQI
17th August 2025
42AQI
42AQI
18th August 2025
46AQI
46AQI
19th August 2025
49AQI
49AQI
20th August 2025
47AQI
47AQI
21st August 2025
41AQI
41AQI
22nd August 2025
39AQI
39AQI
23rd August 2025
38AQI
38AQI
24th August 2025
40AQI
40AQI
25th August 2025
40AQI
40AQI
26th August 2025
39AQI
39AQI
27th August 2025
38AQI
38AQI
28th August 2025
40AQI
40AQI
29th August 2025
39AQI
39AQI
30th August 2025
40AQI
40AQI
31st August 2025
42AQI
42AQI
1st September 2025
48AQI
48AQI
2nd September 2025
49AQI
49AQI
3rd September 2025
44AQI
44AQI
4th September 2025
38AQI
38AQI
5th September 2025
41AQI
41AQI
6th September 2025
48AQI
48AQI
7th September 2025
51AQI
51AQI
8th September 2025
51AQI
51AQI
9th September 2025
47AQI
47AQI
10th September 2025
47AQI
47AQI
11th September 2025
43AQI
43AQI
12th September 2025
40AQI
40AQI
13th September 2025
41AQI
41AQI
14th September 2025
42AQI
42AQI
15th September 2025
42AQI
42AQI
16th September 2025
41AQI
41AQI
17th September 2025
45AQI
45AQI
18th September 2025
49AQI
49AQI
19th September 2025
45AQI
45AQI
20th September 2025
45AQI
45AQI
21st September 2025
42AQI
42AQI
22nd September 2025
42AQI
42AQI
23rd September 2025
38AQI
38AQI
24th September 2025
34AQI
34AQI
25th September 2025
36AQI
36AQI
26th September 2025
20AQI
20AQI
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
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
78AQI
73AQI
88AQI
92AQI
54AQI
46AQI
42AQI
43AQI
43AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202562AQI
1
27
3
3
25
24
7
1
19
10
9
22
18
12
26
5
25
6
24
2
107
142
20
Highest AQI recorded in
April92AQI
Lowest AQI recorded in
July42AQI
202463AQI
3
28
18
11
16
15
14
14
2
7
23
1
22
8
26
5
15
16
15
15
15
15
1
19
11
6
25
128
194
41
3
Highest AQI recorded in
April108AQI
Lowest AQI recorded in
July36AQI
202370AQI
1
26
2
2
12
14
2
1
10
20
15
11
4
1
30
12
18
25
6
20
11
12
18
16
15
8
18
12
15
4
108
194
51
8
Highest AQI recorded in
April112AQI
Lowest AQI recorded in
July38AQI
202259AQI
12
19
3
14
5
23
8
3
17
9
16
15
26
4
16
7
3
18
10
15
16
10
20
5
24
2
127
169
24
Highest AQI recorded in
March88AQI
Lowest AQI recorded in
June34AQI
202161AQI
27
4
2
23
3
6
22
3
1
15
14
11
20
25
5
27
4
23
8
22
8
26
5
20
10
12
16
3
169
147
46
3
Highest AQI recorded in
March121AQI
Lowest AQI recorded in
July34AQI
202053AQI
2
11
11
9
1
3
15
24
6
27
4
27
4
23
7
19
12
8
21
1
1
28
2
132
110
23
1
Highest AQI recorded in
March117AQI
Lowest AQI recorded in
July28AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
70AQILeast Polluted Year Recorded
2020(Avg.)
53AQIDongfeng Reservoir's annual 2025 AQI (62) shows an average percentage change of 2.4% (worsened AQI) compared to previous years: 2020 (53), 2021 (61), 2022 (59), 2023 (70), 2024 (63).
