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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

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+

August Air Quality Analysis

Dongfeng Reservoir, Yuxi, Yunnan, China

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
1st Aug 2024
83AQI
Lowest AQI recorded on
9th Aug 2024
15AQI

Same Day Analysis (17th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 20 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

Day & Night AQI Trend: 16th Aug - 17th Aug 2026

Dongfeng Reservoir, Yuxi, Yunnan, China

AQI
Day
Night
.

6 AM16th Aug 2026

7 PM

5 AM17th Aug 2026

Day time
Avg. Highest Time
11AM16th Aug

67AQI

Avg. Lowest Time
6PM16th Aug

14AQI

Night time
Avg. Highest Time
11PM16th Aug

40AQI

Avg. Lowest Time
4AM17th Aug

8AQI

In the last 24 hours,

Dongfeng Reservoir's AQI reached its highest point of 67 at 11 AM during the Day, while the lowest point, 8, was recorded at 4 AM during the Night between 16th Aug and 17th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Dongfeng Reservoir, Yuxi, Yunnan, China

JulAug
19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th
Day
Night
19th Jul 2026166 AMAQI
19th Jul 2026127 AMAQI
19th Jul 2026218 AMAQI
19th Jul 2026129 AMAQI
19th Jul 20261710 AMAQI
19th Jul 20261911 AMAQI
19th Jul 20262312 PMAQI
19th Jul 2026231 PMAQI
19th Jul 2026232 PMAQI
19th Jul 2026233 PMAQI
19th Jul 2026234 PMAQI
19th Jul 2026295 PMAQI
19th Jul 2026336 PMAQI
19th Jul 2026337 PMAQI
19th Jul 2026408 PMAQI
19th Jul 2026259 PMAQI
19th Jul 20262710 PMAQI
19th Jul 20263311 PMAQI
20th Jul 20263112 AMAQI
20th Jul 2026251 AMAQI
20th Jul 2026252 AMAQI
20th Jul 2026273 AMAQI
20th Jul 2026254 AMAQI
20th Jul 2026335 AMAQI

17°C14/20°C

20th Jul 2026366 AMAQI
20th Jul 2026407 AMAQI
20th Jul 2026238 AMAQI
20th Jul 2026259 AMAQI
20th Jul 20264510 AMAQI
20th Jul 20266511 AMAQI
20th Jul 20265412 PMAQI
20th Jul 2026561 PMAQI
20th Jul 2026522 PMAQI
20th Jul 2026273 PMAQI
20th Jul 202684 PMAQI
20th Jul 2026215 PMAQI
20th Jul 2026176 PMAQI
20th Jul 2026237 PMAQI
20th Jul 2026238 PMAQI
20th Jul 2026429 PMAQI
20th Jul 20262310 PMAQI
20th Jul 20262511 PMAQI
21st Jul 20263312 AMAQI
21st Jul 2026361 AMAQI
21st Jul 2026382 AMAQI
21st Jul 2026403 AMAQI
21st Jul 2026384 AMAQI
21st Jul 2026385 AMAQI

20°C12/28°C

21st Jul 2026366 AMAQI
21st Jul 2026337 AMAQI
21st Jul 2026368 AMAQI
21st Jul 2026329 AMAQI
21st Jul 20262510 AMAQI
21st Jul 20263312 PMAQI
21st Jul 2026331 PMAQI
21st Jul 2026332 PMAQI
21st Jul 2026343 PMAQI
21st Jul 2026274 PMAQI
21st Jul 2026275 PMAQI
21st Jul 2026506 PMAQI
21st Jul 2026217 PMAQI
21st Jul 2026218 PMAQI
21st Jul 2026199 PMAQI
21st Jul 20262110 PMAQI
21st Jul 20262511 PMAQI
22nd Jul 20262712 AMAQI
22nd Jul 2026251 AMAQI
22nd Jul 2026212 AMAQI
22nd Jul 2026193 AMAQI
22nd Jul 2026294 AMAQI
22nd Jul 2026275 AMAQI

18°C13/28°C

22nd Jul 2026316 AMAQI
22nd Jul 2026277 AMAQI
22nd Jul 2026278 AMAQI
22nd Jul 2026369 AMAQI
22nd Jul 20265110 AMAQI
22nd Jul 20263611 AMAQI
22nd Jul 20263612 PMAQI
22nd Jul 2026251 PMAQI
22nd Jul 2026272 PMAQI
22nd Jul 2026213 PMAQI
22nd Jul 2026174 PMAQI
22nd Jul 2026175 PMAQI
22nd Jul 2026176 PMAQI
22nd Jul 2026177 PMAQI
22nd Jul 2026178 PMAQI
22nd Jul 2026179 PMAQI
22nd Jul 20262410 PMAQI
22nd Jul 20262511 PMAQI
23rd Jul 20261212 AMAQI
23rd Jul 2026121 AMAQI
23rd Jul 2026192 AMAQI
23rd Jul 2026253 AMAQI
23rd Jul 2026214 AMAQI
23rd Jul 2026175 AMAQI

19°C14/26°C

23rd Jul 2026126 AMAQI
23rd Jul 2026177 AMAQI
23rd Jul 2026178 AMAQI
23rd Jul 2026149 AMAQI
23rd Jul 20262110 AMAQI
23rd Jul 20262711 AMAQI
23rd Jul 20261712 PMAQI
23rd Jul 2026211 PMAQI
23rd Jul 2026212 PMAQI
23rd Jul 2026253 PMAQI
23rd Jul 2026214 PMAQI
23rd Jul 2026215 PMAQI
23rd Jul 2026146 PMAQI
23rd Jul 2026207 PMAQI
23rd Jul 2026128 PMAQI
23rd Jul 2026179 PMAQI
23rd Jul 20262910 PMAQI
23rd Jul 20262511 PMAQI
24th Jul 20262512 AMAQI
24th Jul 2026211 AMAQI
24th Jul 2026122 AMAQI
24th Jul 2026143 AMAQI
24th Jul 2026124 AMAQI
24th Jul 2026175 AMAQI

19°C13/25°C

24th Jul 2026216 AMAQI
24th Jul 2026177 AMAQI
24th Jul 2026218 AMAQI
24th Jul 2026369 AMAQI
24th Jul 20264010 AMAQI
24th Jul 20264211 AMAQI
24th Jul 20263312 PMAQI
24th Jul 2026211 PMAQI
24th Jul 2026232 PMAQI
24th Jul 2026213 PMAQI
24th Jul 2026214 PMAQI
24th Jul 2026215 PMAQI
24th Jul 2026216 PMAQI
24th Jul 2026197 PMAQI
24th Jul 2026218 PMAQI
24th Jul 2026199 PMAQI
24th Jul 20262510 PMAQI
24th Jul 20263611 PMAQI
25th Jul 20261412 AMAQI
25th Jul 2026121 AMAQI
25th Jul 2026172 AMAQI
25th Jul 2026213 AMAQI
25th Jul 2026304 AMAQI
25th Jul 2026335 AMAQI

18°C14/22°C

25th Jul 2026236 AMAQI
25th Jul 2026177 AMAQI
25th Jul 2026168 AMAQI
25th Jul 2026179 AMAQI
25th Jul 20262510 AMAQI
25th Jul 20262911 AMAQI
25th Jul 20261712 PMAQI
25th Jul 2026121 PMAQI
25th Jul 2026142 PMAQI
25th Jul 2026143 PMAQI
25th Jul 2026214 PMAQI
25th Jul 2026125 PMAQI
25th Jul 2026166 PMAQI
25th Jul 2026227 PMAQI
25th Jul 2026178 PMAQI
25th Jul 2026219 PMAQI
25th Jul 20261210 PMAQI
25th Jul 20261411 PMAQI
26th Jul 20261712 AMAQI
26th Jul 2026161 AMAQI
26th Jul 2026312 AMAQI
26th Jul 2026253 AMAQI
26th Jul 2026234 AMAQI
26th Jul 2026215 AMAQI

17°C15/19°C

26th Jul 2026236 AMAQI
26th Jul 2026237 AMAQI
26th Jul 2026178 AMAQI
26th Jul 2026239 AMAQI
26th Jul 20261710 AMAQI
26th Jul 20261911 AMAQI
26th Jul 20261912 PMAQI
26th Jul 2026191 PMAQI
26th Jul 2026172 PMAQI
26th Jul 2026173 PMAQI
26th Jul 2026144 PMAQI
26th Jul 2026145 PMAQI
26th Jul 2026166 PMAQI
26th Jul 2026127 PMAQI
26th Jul 2026148 PMAQI
26th Jul 2026179 PMAQI
26th Jul 20261710 PMAQI
26th Jul 20261211 PMAQI
27th Jul 20261412 AMAQI
27th Jul 2026141 AMAQI
27th Jul 2026142 AMAQI
27th Jul 2026143 AMAQI
27th Jul 2026174 AMAQI
27th Jul 2026175 AMAQI

18°C13/24°C

27th Jul 2026176 AMAQI
27th Jul 2026177 AMAQI
27th Jul 2026178 AMAQI
27th Jul 2026219 AMAQI
27th Jul 20262310 AMAQI
27th Jul 20263811 AMAQI
27th Jul 20263312 PMAQI
27th Jul 2026171 PMAQI
27th Jul 2026172 PMAQI
27th Jul 2026173 PMAQI
27th Jul 2026144 PMAQI
27th Jul 2026215 PMAQI
27th Jul 2026196 PMAQI
27th Jul 2026177 PMAQI
27th Jul 2026178 PMAQI
27th Jul 2026219 PMAQI
27th Jul 20262210 PMAQI
27th Jul 20261611 PMAQI
28th Jul 20261412 AMAQI
28th Jul 2026141 AMAQI
28th Jul 2026142 AMAQI
28th Jul 2026143 AMAQI
28th Jul 2026234 AMAQI
28th Jul 2026405 AMAQI

19°C14/23°C

28th Jul 2026296 AMAQI
28th Jul 2026277 AMAQI
28th Jul 2026348 AMAQI
28th Jul 2026279 AMAQI
28th Jul 20261210 AMAQI
28th Jul 20261711 AMAQI
28th Jul 20262112 PMAQI
28th Jul 2026251 PMAQI
28th Jul 2026172 PMAQI
28th Jul 2026253 PMAQI
28th Jul 2026204 PMAQI
28th Jul 2026345 PMAQI
28th Jul 2026286 PMAQI
28th Jul 2026147 PMAQI
28th Jul 2026218 PMAQI
28th Jul 2026219 PMAQI
28th Jul 20261610 PMAQI
28th Jul 20262011 PMAQI
29th Jul 20261612 AMAQI
29th Jul 2026211 AMAQI
29th Jul 2026272 AMAQI
29th Jul 2026363 AMAQI
29th Jul 2026294 AMAQI
29th Jul 2026255 AMAQI

18°C14/23°C

29th Jul 2026236 AMAQI
29th Jul 2026167 AMAQI
29th Jul 2026128 AMAQI
29th Jul 2026129 AMAQI
29th Jul 20261910 AMAQI
29th Jul 20261711 AMAQI
29th Jul 20261912 PMAQI
29th Jul 2026171 PMAQI
29th Jul 2026192 PMAQI
29th Jul 2026213 PMAQI
29th Jul 2026214 PMAQI
29th Jul 2026215 PMAQI
29th Jul 2026206 PMAQI
29th Jul 2026237 PMAQI
29th Jul 2026208 PMAQI
29th Jul 2026189 PMAQI
29th Jul 20261810 PMAQI
29th Jul 20261411 PMAQI
30th Jul 20262112 AMAQI
30th Jul 2026251 AMAQI
30th Jul 2026212 AMAQI
30th Jul 2026143 AMAQI
30th Jul 2026214 AMAQI
30th Jul 2026145 AMAQI

18°C14/22°C

30th Jul 2026296 AMAQI
30th Jul 2026337 AMAQI
30th Jul 2026318 AMAQI
30th Jul 2026239 AMAQI
30th Jul 20262110 AMAQI
30th Jul 20261711 AMAQI
30th Jul 20262112 PMAQI
30th Jul 2026121 PMAQI
30th Jul 2026252 PMAQI
30th Jul 2026233 PMAQI
30th Jul 2026254 PMAQI
30th Jul 2026195 PMAQI
30th Jul 2026236 PMAQI
30th Jul 2026147 PMAQI
30th Jul 2026198 PMAQI
30th Jul 2026199 PMAQI
30th Jul 20261710 PMAQI
30th Jul 20263311 PMAQI
31st Jul 20262512 AMAQI
31st Jul 2026181 AMAQI
31st Jul 2026172 AMAQI
31st Jul 2026143 AMAQI
31st Jul 2026184 AMAQI
31st Jul 2026165 AMAQI

18°C14/22°C

31st Jul 2026216 AMAQI
31st Jul 2026177 AMAQI
31st Jul 2026198 AMAQI
31st Jul 2026219 AMAQI
31st Jul 20262110 AMAQI
31st Jul 20262111 AMAQI
31st Jul 20261612 PMAQI
31st Jul 2026161 PMAQI
31st Jul 2026192 PMAQI
31st Jul 2026163 PMAQI
31st Jul 2026124 PMAQI
31st Jul 2026125 PMAQI
31st Jul 2026176 PMAQI
31st Jul 2026127 PMAQI
31st Jul 2026258 PMAQI
31st Jul 2026149 PMAQI
31st Jul 20261710 PMAQI
31st Jul 20261211 PMAQI
1st Aug 20261612 AMAQI
1st Aug 2026191 AMAQI
1st Aug 2026172 AMAQI
1st Aug 2026233 AMAQI
1st Aug 2026214 AMAQI
1st Aug 2026145 AMAQI

18°C14/24°C

1st Aug 2026176 AMAQI
1st Aug 2026217 AMAQI
1st Aug 2026168 AMAQI
1st Aug 2026219 AMAQI
1st Aug 20262110 AMAQI
1st Aug 20261611 AMAQI
1st Aug 20261912 PMAQI
1st Aug 2026141 PMAQI
1st Aug 2026162 PMAQI
1st Aug 2026193 PMAQI
1st Aug 2026194 PMAQI
1st Aug 2026165 PMAQI
1st Aug 2026166 PMAQI
1st Aug 2026217 PMAQI
1st Aug 2026218 PMAQI
1st Aug 2026169 PMAQI
1st Aug 20261410 PMAQI
1st Aug 20261711 PMAQI
2nd Aug 20261712 AMAQI
2nd Aug 2026191 AMAQI
2nd Aug 2026162 AMAQI
2nd Aug 2026123 AMAQI
2nd Aug 2026124 AMAQI
2nd Aug 2026185 AMAQI

19°C14/25°C

2nd Aug 2026216 AMAQI
2nd Aug 2026177 AMAQI
2nd Aug 2026148 AMAQI
2nd Aug 2026129 AMAQI
2nd Aug 20261410 AMAQI
2nd Aug 20261711 AMAQI
2nd Aug 20261712 PMAQI
2nd Aug 2026121 PMAQI
2nd Aug 2026212 PMAQI
2nd Aug 2026213 PMAQI
2nd Aug 2026234 PMAQI
2nd Aug 2026295 PMAQI
2nd Aug 2026336 PMAQI
2nd Aug 2026257 PMAQI
2nd Aug 2026148 PMAQI
2nd Aug 2026169 PMAQI
2nd Aug 20261610 PMAQI
2nd Aug 20261411 PMAQI
3rd Aug 20262112 AMAQI
3rd Aug 2026181 AMAQI
3rd Aug 2026122 AMAQI
3rd Aug 2026193 AMAQI
3rd Aug 2026174 AMAQI
3rd Aug 2026145 AMAQI

19°C15/24°C

3rd Aug 2026146 AMAQI
3rd Aug 2026177 AMAQI
3rd Aug 2026178 AMAQI
3rd Aug 2026179 AMAQI
3rd Aug 20261710 AMAQI
3rd Aug 20261411 AMAQI
3rd Aug 20261412 PMAQI
3rd Aug 2026141 PMAQI
3rd Aug 2026142 PMAQI
3rd Aug 2026163 PMAQI
3rd Aug 2026194 PMAQI
3rd Aug 2026175 PMAQI
3rd Aug 2026176 PMAQI
3rd Aug 2026177 PMAQI
3rd Aug 2026178 PMAQI
3rd Aug 2026239 PMAQI
3rd Aug 20261710 PMAQI
3rd Aug 20261411 PMAQI
4th Aug 20261412 AMAQI
4th Aug 2026141 AMAQI
4th Aug 2026142 AMAQI
4th Aug 2026173 AMAQI
4th Aug 2026214 AMAQI
4th Aug 2026165 AMAQI

19°C15/23°C

4th Aug 2026146 AMAQI
4th Aug 2026197 AMAQI
4th Aug 2026168 AMAQI
4th Aug 2026169 AMAQI
4th Aug 20261210 AMAQI
4th Aug 20262111 AMAQI
4th Aug 20261912 PMAQI
4th Aug 2026211 PMAQI
4th Aug 2026192 PMAQI
4th Aug 2026193 PMAQI
4th Aug 2026214 PMAQI
4th Aug 2026215 PMAQI
4th Aug 2026216 PMAQI
4th Aug 2026197 PMAQI
4th Aug 2026178 PMAQI
4th Aug 2026179 PMAQI
4th Aug 20261910 PMAQI
4th Aug 20262111 PMAQI
5th Aug 20261912 AMAQI
5th Aug 2026301 AMAQI
5th Aug 2026342 AMAQI
5th Aug 2026303 AMAQI
5th Aug 2026384 AMAQI
5th Aug 2026385 AMAQI

18°C15/23°C

5th Aug 2026386 AMAQI
5th Aug 2026237 AMAQI
5th Aug 2026238 AMAQI
5th Aug 2026509 AMAQI
5th Aug 20265810 AMAQI
5th Aug 20265611 AMAQI
5th Aug 20265412 PMAQI
5th Aug 2026651 PMAQI
5th Aug 2026582 PMAQI
5th Aug 2026403 PMAQI
5th Aug 2026314 PMAQI
5th Aug 2026305 PMAQI
5th Aug 2026306 PMAQI
5th Aug 2026307 PMAQI
5th Aug 2026408 PMAQI
5th Aug 2026489 PMAQI
5th Aug 20265610 PMAQI
5th Aug 20265111 PMAQI
6th Aug 20263412 AMAQI
6th Aug 2026291 AMAQI
6th Aug 2026322 AMAQI
6th Aug 2026273 AMAQI
6th Aug 2026154 AMAQI
6th Aug 2026195 AMAQI

19°C15/25°C

6th Aug 2026196 AMAQI
6th Aug 2026277 AMAQI
6th Aug 2026298 AMAQI
6th Aug 2026319 AMAQI
6th Aug 20263110 AMAQI
6th Aug 20264911 AMAQI
6th Aug 20265712 PMAQI
6th Aug 2026481 PMAQI
6th Aug 2026442 PMAQI
6th Aug 2026463 PMAQI
6th Aug 2026344 PMAQI
6th Aug 2026215 PMAQI
6th Aug 2026176 PMAQI
6th Aug 2026177 PMAQI
6th Aug 2026238 PMAQI
6th Aug 2026259 PMAQI
6th Aug 20262910 PMAQI
6th Aug 20261711 PMAQI
7th Aug 20261912 AMAQI
7th Aug 2026211 AMAQI
7th Aug 2026252 AMAQI
7th Aug 2026273 AMAQI
7th Aug 2026304 AMAQI
7th Aug 2026255 AMAQI

18°C15/22°C

7th Aug 2026256 AMAQI
7th Aug 2026257 AMAQI
7th Aug 2026258 AMAQI
7th Aug 2026259 AMAQI
7th Aug 20262710 AMAQI
7th Aug 20262511 AMAQI
7th Aug 20262312 PMAQI
7th Aug 2026211 PMAQI
7th Aug 2026252 PMAQI
7th Aug 2026213 PMAQI
7th Aug 2026254 PMAQI
7th Aug 2026165 PMAQI
7th Aug 2026176 PMAQI
7th Aug 2026367 PMAQI
7th Aug 2026198 PMAQI
7th Aug 2026219 PMAQI
7th Aug 20261210 PMAQI
7th Aug 20262111 PMAQI
8th Aug 20261712 AMAQI
8th Aug 2026221 AMAQI
8th Aug 2026172 AMAQI
8th Aug 2026173 AMAQI
8th Aug 2026174 AMAQI
8th Aug 2026215 AMAQI

18°C15/21°C

8th Aug 2026146 AMAQI
8th Aug 2026217 AMAQI
8th Aug 2026168 AMAQI
8th Aug 2026179 AMAQI
8th Aug 20263310 AMAQI
8th Aug 20262711 AMAQI
8th Aug 20263812 PMAQI
8th Aug 2026311 PMAQI
8th Aug 2026212 PMAQI
8th Aug 2026173 PMAQI
8th Aug 2026214 PMAQI
8th Aug 2026235 PMAQI
8th Aug 2026216 PMAQI
8th Aug 2026217 PMAQI
8th Aug 2026258 PMAQI
8th Aug 2026179 PMAQI
8th Aug 20261910 PMAQI
8th Aug 20261711 PMAQI
9th Aug 20261712 AMAQI
9th Aug 2026211 AMAQI
9th Aug 2026212 AMAQI
9th Aug 2026463 AMAQI
9th Aug 2026334 AMAQI
9th Aug 2026315 AMAQI

18°C13/25°C

9th Aug 2026386 AMAQI
9th Aug 2026367 AMAQI
9th Aug 2026388 AMAQI
9th Aug 2026449 AMAQI
9th Aug 20264910 AMAQI
9th Aug 20267111 AMAQI
9th Aug 20266812 PMAQI
9th Aug 2026561 PMAQI
9th Aug 2026362 PMAQI
9th Aug 2026253 PMAQI
9th Aug 2026274 PMAQI
9th Aug 2026255 PMAQI
9th Aug 2026296 PMAQI
9th Aug 2026237 PMAQI
9th Aug 2026268 PMAQI
9th Aug 2026299 PMAQI
9th Aug 20264410 PMAQI
9th Aug 20265511 PMAQI
10th Aug 20265212 AMAQI
10th Aug 2026301 AMAQI
10th Aug 2026152 AMAQI
10th Aug 2026133 AMAQI
10th Aug 2026234 AMAQI
10th Aug 2026255 AMAQI

18°C14/26°C

10th Aug 2026256 AMAQI
10th Aug 2026297 AMAQI
10th Aug 2026298 AMAQI
10th Aug 2026299 AMAQI
10th Aug 20263310 AMAQI
10th Aug 20262511 AMAQI
10th Aug 20261212 PMAQI
10th Aug 2026101 PMAQI
10th Aug 2026112 PMAQI
10th Aug 2026123 PMAQI
10th Aug 2026254 PMAQI
10th Aug 2026255 PMAQI
10th Aug 2026126 PMAQI
10th Aug 2026217 PMAQI
10th Aug 2026328 PMAQI
10th Aug 2026329 PMAQI
10th Aug 20262410 PMAQI
10th Aug 20262511 PMAQI
11th Aug 20262712 AMAQI
11th Aug 2026201 AMAQI
11th Aug 2026212 AMAQI
11th Aug 2026253 AMAQI
11th Aug 2026194 AMAQI
11th Aug 2026315 AMAQI

19°C15/25°C

11th Aug 2026366 AMAQI
11th Aug 2026487 AMAQI
11th Aug 2026558 AMAQI
11th Aug 2026489 AMAQI
11th Aug 20266510 AMAQI
11th Aug 20266411 AMAQI
11th Aug 20264012 PMAQI
11th Aug 2026321 PMAQI
11th Aug 2026212 PMAQI
11th Aug 2026193 PMAQI
11th Aug 2026254 PMAQI
11th Aug 2026235 PMAQI
11th Aug 2026216 PMAQI
11th Aug 2026197 PMAQI
11th Aug 2026218 PMAQI
11th Aug 2026279 PMAQI
11th Aug 20262110 PMAQI
11th Aug 20262111 PMAQI
12th Aug 20263812 AMAQI
12th Aug 2026251 AMAQI
12th Aug 2026212 AMAQI
12th Aug 2026193 AMAQI
12th Aug 2026144 AMAQI
12th Aug 2026215 AMAQI

20°C14/29°C

12th Aug 2026196 AMAQI
12th Aug 2026177 AMAQI
12th Aug 2026218 AMAQI
12th Aug 2026219 AMAQI
12th Aug 20261410 AMAQI
12th Aug 20261711 AMAQI
12th Aug 20262512 PMAQI
12th Aug 2026251 PMAQI
12th Aug 2026252 PMAQI
12th Aug 2026253 PMAQI
12th Aug 2026214 PMAQI
12th Aug 2026145 PMAQI
12th Aug 2026196 PMAQI
12th Aug 2026167 PMAQI
12th Aug 2026258 PMAQI
12th Aug 2026339 PMAQI
12th Aug 20263110 PMAQI
12th Aug 20263311 PMAQI
13th Aug 20262712 AMAQI
13th Aug 2026291 AMAQI
13th Aug 2026402 AMAQI
13th Aug 2026383 AMAQI
13th Aug 2026304 AMAQI
13th Aug 2026345 AMAQI

20°C14/28°C

13th Aug 2026426 AMAQI
13th Aug 2026367 AMAQI
13th Aug 2026388 AMAQI
13th Aug 2026389 AMAQI
13th Aug 20264210 AMAQI
13th Aug 20265211 AMAQI
13th Aug 20267212 PMAQI
13th Aug 2026731 PMAQI
13th Aug 2026542 PMAQI
13th Aug 2026403 PMAQI
13th Aug 2026214 PMAQI
13th Aug 2026335 PMAQI
13th Aug 2026306 PMAQI
13th Aug 2026297 PMAQI
13th Aug 2026508 PMAQI
13th Aug 2026579 PMAQI
13th Aug 20265210 PMAQI
13th Aug 20263811 PMAQI
14th Aug 20263312 AMAQI
14th Aug 2026351 AMAQI
14th Aug 2026362 AMAQI
14th Aug 2026273 AMAQI
14th Aug 2026334 AMAQI
14th Aug 2026525 AMAQI

19°C14/28°C

14th Aug 2026506 AMAQI
14th Aug 2026387 AMAQI
14th Aug 2026368 AMAQI
14th Aug 2026339 AMAQI
14th Aug 20266410 AMAQI
14th Aug 20265911 AMAQI
14th Aug 20263612 PMAQI
14th Aug 2026231 PMAQI
14th Aug 2026192 PMAQI
14th Aug 2026253 PMAQI
14th Aug 2026124 PMAQI
14th Aug 2026105 PMAQI
14th Aug 2026106 PMAQI
14th Aug 2026127 PMAQI
14th Aug 2026298 PMAQI
14th Aug 2026559 PMAQI
14th Aug 20264410 PMAQI
14th Aug 20265811 PMAQI
15th Aug 20266212 AMAQI
15th Aug 2026561 AMAQI
15th Aug 2026592 AMAQI
15th Aug 2026573 AMAQI
15th Aug 2026404 AMAQI
15th Aug 2026505 AMAQI

19°C13/28°C

15th Aug 2026496 AMAQI
15th Aug 2026287 AMAQI
15th Aug 2026308 AMAQI
15th Aug 2026309 AMAQI
15th Aug 20266010 AMAQI
15th Aug 20265311 AMAQI
15th Aug 20263112 PMAQI
15th Aug 2026211 PMAQI
15th Aug 2026192 PMAQI
15th Aug 2026173 PMAQI
15th Aug 2026194 PMAQI
15th Aug 2026215 PMAQI
15th Aug 2026196 PMAQI
15th Aug 2026257 PMAQI
15th Aug 2026178 PMAQI
15th Aug 2026219 PMAQI
15th Aug 20262710 PMAQI
15th Aug 20262711 PMAQI
16th Aug 20262512 AMAQI
16th Aug 2026311 AMAQI
16th Aug 2026312 AMAQI
16th Aug 2026253 AMAQI
16th Aug 2026174 AMAQI
16th Aug 2026195 AMAQI

19°C13/28°C

16th Aug 2026316 AMAQI
16th Aug 2026337 AMAQI
16th Aug 2026338 AMAQI
16th Aug 2026339 AMAQI
16th Aug 20264810 AMAQI
16th Aug 20266711 AMAQI
16th Aug 20265512 PMAQI
16th Aug 2026461 PMAQI
16th Aug 2026422 PMAQI
16th Aug 2026223 PMAQI
16th Aug 2026204 PMAQI
16th Aug 2026225 PMAQI
16th Aug 2026146 PMAQI
16th Aug 2026217 PMAQI
16th Aug 2026278 PMAQI
16th Aug 2026369 PMAQI
16th Aug 20262910 PMAQI
16th Aug 20264011 PMAQI
17th Aug 20263012 AMAQI
17th Aug 2026261 AMAQI
17th Aug 202682 AMAQI
17th Aug 2026103 AMAQI
17th Aug 202684 AMAQI
17th Aug 2026175 AMAQI

19°C14/27°C

17th Aug 2026316 AMAQI
6 AM
17th Aug 2026257 AMAQI
17th Aug 2026278 AMAQI
17th Aug 2026199 AMAQI
17th Aug 20262310 AMAQI
17th Aug 20262711 AMAQI
17th Aug 2026812 PMAQI
12 PM
17th Aug 202681 PMAQI
17th Aug 2026102 PMAQI
17th Aug 2026213 PMAQI
17th Aug 2026194 PMAQI
17th Aug 2026145 PMAQI
17th Aug 2026146 PMAQI
17th Aug 2026217 PMAQI
7 PM
17th Aug 2026218 PMAQI
17th Aug 2026209 PMAQI
17th Aug 20263110 PMAQI
17th Aug 20263311 PMAQI
12 AM
5 AM

20°C19/22°C

Day time
Avg. Highest Time
11 AM

35AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
4 PM - 7 PM

21AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 11 AM (Avg. 35), while the lowest AQI was between 4 PM to 7 PM (Avg. 21).
Night time
Avg. Highest Time
11 PM

26AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
2 AM

23AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 PM to 11 PM (Avg. 26), while the lowest AQI was between 2 AM to 2 AM (Avg. 23).

2026 Days Vs Air Quality

Dongfeng Reservoir, Yuxi, Yunnan, China

2026

81%

185

19%

44

Total number of days with different AQI categories in last 229 days in 2026 (136 days remaining)

Good
185 Days
Moderate
44 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 81%

Health Risk Level:

Low

In 2026, 81% of 229 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.

Annual Air Quality Insights

Dongfeng Reservoir, Yuxi, Yunnan, China

AQI levels in 2026

AQI (US)
PM₂.₅
PM₁₀
CO
SO₂
NO₂
O₃
Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
24AQI (US)
2nd January 2026
28AQI (US)
3rd January 2026
31AQI (US)
4th January 2026
35AQI (US)
5th January 2026
30AQI (US)
6th January 2026
29AQI (US)
7th January 2026
32AQI (US)
8th January 2026
38AQI (US)
9th January 2026
28AQI (US)
10th January 2026
30AQI (US)
11th January 2026
26AQI (US)
12th January 2026
31AQI (US)
13th January 2026
60AQI (US)
14th January 2026
40AQI (US)
15th January 2026
40AQI (US)
16th January 2026
42AQI (US)
17th January 2026
31AQI (US)
18th January 2026
37AQI (US)
19th January 2026
36AQI (US)
20th January 2026
36AQI (US)
21st January 2026
29AQI (US)
22nd January 2026
35AQI (US)
23rd January 2026
39AQI (US)
24th January 2026
39AQI (US)
25th January 2026
34AQI (US)
26th January 2026
32AQI (US)
27th January 2026
49AQI (US)
28th January 2026
38AQI (US)
29th January 2026
33AQI (US)
30th January 2026
42AQI (US)
31st January 2026
40AQI (US)
1st February 2026
33AQI (US)
2nd February 2026
55AQI (US)
3rd February 2026
74AQI (US)
4th February 2026
78AQI (US)
5th February 2026
60AQI (US)
6th February 2026
62AQI (US)
7th February 2026
44AQI (US)
8th February 2026
42AQI (US)
9th February 2026
39AQI (US)
10th February 2026
35AQI (US)
11th February 2026
35AQI (US)
12th February 2026
37AQI (US)
13th February 2026
34AQI (US)
14th February 2026
40AQI (US)
15th February 2026
51AQI (US)
16th February 2026
53AQI (US)
17th February 2026
70AQI (US)
18th February 2026
64AQI (US)
19th February 2026
47AQI (US)
20th February 2026
38AQI (US)
21st February 2026
25AQI (US)
22nd February 2026
27AQI (US)
23rd February 2026
44AQI (US)
24th February 2026
49AQI (US)
25th February 2026
45AQI (US)
26th February 2026
37AQI (US)
27th February 2026
41AQI (US)
28th February 2026
52AQI (US)
1st March 2026
59AQI (US)
2nd March 2026
62AQI (US)
3rd March 2026
54AQI (US)
4th March 2026
55AQI (US)
5th March 2026
69AQI (US)
6th March 2026
75AQI (US)
7th March 2026
69AQI (US)
8th March 2026
73AQI (US)
9th March 2026
47AQI (US)
10th March 2026
31AQI (US)
11th March 2026
45AQI (US)
12th March 2026
56AQI (US)
13th March 2026
44AQI (US)
14th March 2026
29AQI (US)
15th March 2026
32AQI (US)
16th March 2026
25AQI (US)
17th March 2026
48AQI (US)
18th March 2026
37AQI (US)
19th March 2026
46AQI (US)
20th March 2026
35AQI (US)
21st March 2026
53AQI (US)
22nd March 2026
58AQI (US)
23rd March 2026
28AQI (US)
24th March 2026
50AQI (US)
25th March 2026
77AQI (US)
26th March 2026
53AQI (US)
27th March 2026
43AQI (US)
28th March 2026
70AQI (US)
29th March 2026
41AQI (US)
30th March 2026
28AQI (US)
31st March 2026
42AQI (US)
1st April 2026
42AQI (US)
2nd April 2026
48AQI (US)
3rd April 2026
47AQI (US)
4th April 2026
48AQI (US)
5th April 2026
47AQI (US)
6th April 2026
40AQI (US)
7th April 2026
41AQI (US)
8th April 2026
59AQI (US)
9th April 2026
37AQI (US)
10th April 2026
40AQI (US)
11th April 2026
29AQI (US)
12th April 2026
37AQI (US)
13th April 2026
50AQI (US)
14th April 2026
63AQI (US)
15th April 2026
76AQI (US)
16th April 2026
71AQI (US)
17th April 2026
62AQI (US)
18th April 2026
60AQI (US)
19th April 2026
61AQI (US)
20th April 2026
48AQI (US)
21st April 2026
53AQI (US)
22nd April 2026
63AQI (US)
23rd April 2026
62AQI (US)
24th April 2026
52AQI (US)
25th April 2026
44AQI (US)
26th April 2026
47AQI (US)
27th April 2026
42AQI (US)
28th April 2026
34AQI (US)
29th April 2026
17AQI (US)
30th April 2026
26AQI (US)
1st May 2026
22AQI (US)
2nd May 2026
24AQI (US)
3rd May 2026
21AQI (US)
4th May 2026
15AQI (US)
5th May 2026
27AQI (US)
6th May 2026
32AQI (US)
7th May 2026
32AQI (US)
8th May 2026
40AQI (US)
9th May 2026
40AQI (US)
10th May 2026
19AQI (US)
11th May 2026
18AQI (US)
12th May 2026
21AQI (US)
13th May 2026
17AQI (US)
14th May 2026
24AQI (US)
15th May 2026
31AQI (US)
16th May 2026
62AQI (US)
17th May 2026
62AQI (US)
18th May 2026
56AQI (US)
19th May 2026
55AQI (US)
20th May 2026
61AQI (US)
21st May 2026
60AQI (US)
22nd May 2026
57AQI (US)
23rd May 2026
44AQI (US)
24th May 2026
50AQI (US)
25th May 2026
54AQI (US)
26th May 2026
42AQI (US)
27th May 2026
35AQI (US)
28th May 2026
29AQI (US)
29th May 2026
21AQI (US)
30th May 2026
21AQI (US)
31st May 2026
22AQI (US)
1st June 2026
18AQI (US)
2nd June 2026
20AQI (US)
3rd June 2026
20AQI (US)
4th June 2026
23AQI (US)
5th June 2026
29AQI (US)
6th June 2026
21AQI (US)
7th June 2026
18AQI (US)
8th June 2026
18AQI (US)
9th June 2026
25AQI (US)
10th June 2026
27AQI (US)
11th June 2026
32AQI (US)
12th June 2026
26AQI (US)
13th June 2026
13AQI (US)
14th June 2026
20AQI (US)
15th June 2026
21AQI (US)
16th June 2026
21AQI (US)
17th June 2026
22AQI (US)
18th June 2026
23AQI (US)
19th June 2026
19AQI (US)
20th June 2026
22AQI (US)
21st June 2026
19AQI (US)
22nd June 2026
18AQI (US)
23rd June 2026
22AQI (US)
24th June 2026
20AQI (US)
25th June 2026
28AQI (US)
26th June 2026
29AQI (US)
27th June 2026
22AQI (US)
28th June 2026
23AQI (US)
29th June 2026
24AQI (US)
30th June 2026
23AQI (US)
1st July 2026
24AQI (US)
2nd July 2026
23AQI (US)
3rd July 2026
25AQI (US)
4th July 2026
26AQI (US)
5th July 2026
26AQI (US)
6th July 2026
16AQI (US)
7th July 2026
20AQI (US)
8th July 2026
18AQI (US)
9th July 2026
24AQI (US)
10th July 2026
29AQI (US)
11th July 2026
25AQI (US)
12th July 2026
17AQI (US)
13th July 2026
20AQI (US)
14th July 2026
24AQI (US)
15th July 2026
18AQI (US)
16th July 2026
18AQI (US)
17th July 2026
22AQI (US)
18th July 2026
19AQI (US)
19th July 2026
22AQI (US)
20th July 2026
32AQI (US)
21st July 2026
32AQI (US)
22nd July 2026
26AQI (US)
23rd July 2026
19AQI (US)
24th July 2026
23AQI (US)
25th July 2026
19AQI (US)
26th July 2026
18AQI (US)
27th July 2026
19AQI (US)
28th July 2026
22AQI (US)
29th July 2026
20AQI (US)
30th July 2026
22AQI (US)
31st July 2026
17AQI (US)
1st August 2026
18AQI (US)
2nd August 2026
18AQI (US)
3rd August 2026
16AQI (US)
4th August 2026
18AQI (US)
5th August 2026
40AQI (US)
6th August 2026
30AQI (US)
7th August 2026
23AQI (US)
8th August 2026
21AQI (US)
9th August 2026
37AQI (US)
10th August 2026
24AQI (US)
11th August 2026
31AQI (US)
12th August 2026
22AQI (US)
13th August 2026
41AQI (US)
14th August 2026
35AQI (US)
15th August 2026
35AQI (US)
16th August 2026
32AQI (US)
17th August 2026
20AQI (US)
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

35AQI (US)

47AQI (US)

49AQI (US)

48AQI (US)

36AQI (US)

22AQI (US)

22AQI (US)

27AQI (US)

No. of days

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

202636AQI (US)

30
1
18
10
17
14
19
11
23
8
30
31
17
185
44

Highest AQI (US) recorded in

March

49AQI (US)

Lowest AQI (US) recorded in

July

22AQI (US)

202556AQI (US)

1
27
3
3
25
24
7
1
19
10
9
22
18
12
26
5
25
6
28
2
16
15
29
1
31
187
158
20

Highest AQI (US) recorded in

April

92AQI (US)

Lowest AQI (US) recorded in

November

33AQI (US)

202463AQI (US)

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 (US) recorded in

April

108AQI (US)

Lowest AQI (US) recorded in

July

36AQI (US)

202370AQI (US)

1
25
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
193
51
8

Highest AQI (US) recorded in

February

112AQI (US)

Lowest AQI (US) recorded in

July

38AQI (US)

202259AQI (US)

11
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
126
169
24

Highest AQI (US) recorded in

March

88AQI (US)

Lowest AQI (US) recorded in

June

34AQI (US)

202161AQI (US)

26
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
146
46
3

Highest AQI (US) recorded in

March

121AQI (US)

Lowest AQI (US) recorded in

July

34AQI (US)

202053AQI (US)

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 (US) recorded in

March

117AQI (US)

Lowest AQI (US) recorded in

July

28AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2023(Avg.)
70AQI (US)
Least Polluted Year Recorded
2026(Avg.)
36AQI (US)

Dongfeng Reservoir's annual 2026 AQI (US) (36) shows an average percentage change of -39.8% (improved AQI (US)) compared to previous years: 2020 (53), 2021 (61), 2022 (59), 2023 (70), 2024 (63), 2025 (56).