Dongpu Reservoir, Hefei, Anhui, 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
Dongpu Reservoir, Hefei, Anhui, China
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
11th Aug 2023
87AQILowest AQI recorded on
10th Aug 2026
26AQISame Day Analysis (15th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 60 of Moderate air quality on the same day.
Day & Night AQI Trend: 14th Aug - 15th Aug 2026
Dongpu Reservoir, Hefei, Anhui, China
AQI
Day
Night
.
5 AM14th Aug 2026
7 PM
4 AM15th Aug 2026
Day time
Avg. Highest Time
10AM14th Aug
54AQI
Avg. Lowest Time
12PM14th Aug
31AQI
Night time
Avg. Highest Time
3AM15th Aug
64AQI
Avg. Lowest Time
8PM14th Aug
49AQI
In the last 24 hours,
Dongpu Reservoir's AQI reached its highest point of 64 at 3 AM during the Night, while the lowest point, 31, was recorded at 12 PM during the Day between 14th Aug and 15th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Dongpu Reservoir, Hefei, Anhui, China
JulAug
17th - 18th18th - 19th19th - 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
Day
Night
17th Jul 2026275 AMAQI
17th Jul 2026276 AMAQI
17th Jul 2026267 AMAQI
17th Jul 2026258 AMAQI
17th Jul 2026309 AMAQI
17th Jul 20262610 AMAQI
17th Jul 20262511 AMAQI
17th Jul 20262412 PMAQI
17th Jul 2026241 PMAQI
17th Jul 2026242 PMAQI
17th Jul 2026423 PMAQI
17th Jul 2026464 PMAQI
17th Jul 2026585 PMAQI
17th Jul 2026566 PMAQI
17th Jul 2026597 PMAQI
17th Jul 2026548 PMAQI
17th Jul 2026609 PMAQI
17th Jul 20266510 PMAQI
17th Jul 20266611 PMAQI
18th Jul 20264612 AMAQI
18th Jul 2026341 AMAQI
18th Jul 2026422 AMAQI
18th Jul 2026483 AMAQI
18th Jul 2026474 AMAQI
30°C25/34°C
18th Jul 2026445 AMAQI
18th Jul 2026446 AMAQI
18th Jul 2026487 AMAQI
18th Jul 2026498 AMAQI
18th Jul 2026549 AMAQI
18th Jul 20265310 AMAQI
18th Jul 20264011 AMAQI
18th Jul 20264012 PMAQI
18th Jul 2026421 PMAQI
18th Jul 2026532 PMAQI
18th Jul 2026513 PMAQI
18th Jul 2026404 PMAQI
18th Jul 2026275 PMAQI
18th Jul 2026276 PMAQI
18th Jul 2026337 PMAQI
18th Jul 2026448 PMAQI
18th Jul 2026569 PMAQI
18th Jul 20266010 PMAQI
18th Jul 20266311 PMAQI
19th Jul 20266412 AMAQI
19th Jul 2026701 AMAQI
19th Jul 2026682 AMAQI
19th Jul 2026663 AMAQI
19th Jul 2026674 AMAQI
25°C24/27°C
19th Jul 2026715 AMAQI
19th Jul 2026726 AMAQI
19th Jul 2026717 AMAQI
19th Jul 2026748 AMAQI
19th Jul 2026729 AMAQI
19th Jul 20267210 AMAQI
19th Jul 20267211 AMAQI
19th Jul 20267312 PMAQI
19th Jul 2026671 PMAQI
19th Jul 2026692 PMAQI
19th Jul 2026663 PMAQI
19th Jul 2026604 PMAQI
19th Jul 2026535 PMAQI
19th Jul 2026426 PMAQI
19th Jul 2026427 PMAQI
19th Jul 2026368 PMAQI
19th Jul 2026299 PMAQI
19th Jul 20262710 PMAQI
19th Jul 20262111 PMAQI
20th Jul 20262512 AMAQI
20th Jul 2026211 AMAQI
20th Jul 2026232 AMAQI
20th Jul 2026213 AMAQI
20th Jul 2026234 AMAQI
25°C24/27°C
20th Jul 2026295 AMAQI
20th Jul 2026276 AMAQI
20th Jul 2026257 AMAQI
20th Jul 2026238 AMAQI
20th Jul 2026239 AMAQI
20th Jul 20262110 AMAQI
20th Jul 20262711 AMAQI
20th Jul 20263612 PMAQI
20th Jul 2026361 PMAQI
20th Jul 2026292 PMAQI
20th Jul 2026253 PMAQI
20th Jul 2026254 PMAQI
20th Jul 2026255 PMAQI
20th Jul 2026256 PMAQI
20th Jul 2026297 PMAQI
20th Jul 2026298 PMAQI
20th Jul 2026299 PMAQI
20th Jul 20262910 PMAQI
20th Jul 20263311 PMAQI
21st Jul 20262912 AMAQI
21st Jul 2026271 AMAQI
21st Jul 2026252 AMAQI
21st Jul 2026293 AMAQI
21st Jul 2026294 AMAQI
25°C23/28°C
21st Jul 2026295 AMAQI
21st Jul 2026366 AMAQI
21st Jul 2026257 AMAQI
21st Jul 2026258 AMAQI
21st Jul 2026259 AMAQI
21st Jul 20263810 AMAQI
21st Jul 20263412 PMAQI
21st Jul 2026291 PMAQI
21st Jul 2026312 PMAQI
21st Jul 2026363 PMAQI
21st Jul 2026274 PMAQI
21st Jul 2026255 PMAQI
21st Jul 2026786 PMAQI
21st Jul 2026467 PMAQI
21st Jul 2026408 PMAQI
21st Jul 2026409 PMAQI
21st Jul 20265210 PMAQI
21st Jul 20265011 PMAQI
22nd Jul 20264412 AMAQI
22nd Jul 2026531 AMAQI
22nd Jul 2026542 AMAQI
22nd Jul 2026553 AMAQI
22nd Jul 2026474 AMAQI
25°C24/28°C
22nd Jul 2026425 AMAQI
22nd Jul 2026506 AMAQI
22nd Jul 2026537 AMAQI
22nd Jul 2026558 AMAQI
22nd Jul 2026429 AMAQI
22nd Jul 20265610 AMAQI
22nd Jul 20264611 AMAQI
22nd Jul 20265412 PMAQI
22nd Jul 2026361 PMAQI
22nd Jul 2026322 PMAQI
22nd Jul 2026303 PMAQI
22nd Jul 2026424 PMAQI
22nd Jul 2026445 PMAQI
22nd Jul 2026296 PMAQI
22nd Jul 2026297 PMAQI
22nd Jul 2026258 PMAQI
22nd Jul 2026369 PMAQI
22nd Jul 20264010 PMAQI
22nd Jul 20263811 PMAQI
23rd Jul 20263612 AMAQI
23rd Jul 2026291 AMAQI
23rd Jul 2026272 AMAQI
23rd Jul 2026363 AMAQI
23rd Jul 2026364 AMAQI
25°C24/27°C
23rd Jul 2026485 AMAQI
23rd Jul 2026406 AMAQI
23rd Jul 2026427 AMAQI
23rd Jul 2026468 AMAQI
23rd Jul 2026469 AMAQI
23rd Jul 20264010 AMAQI
23rd Jul 20264211 AMAQI
23rd Jul 20264412 PMAQI
23rd Jul 2026501 PMAQI
23rd Jul 2026402 PMAQI
23rd Jul 2026273 PMAQI
23rd Jul 2026424 PMAQI
23rd Jul 2026385 PMAQI
23rd Jul 2026306 PMAQI
23rd Jul 2026367 PMAQI
23rd Jul 2026288 PMAQI
23rd Jul 2026279 PMAQI
23rd Jul 20262710 PMAQI
23rd Jul 20263611 PMAQI
24th Jul 20265012 AMAQI
24th Jul 2026481 AMAQI
24th Jul 2026402 AMAQI
24th Jul 2026333 AMAQI
24th Jul 2026294 AMAQI
25°C25/26°C
24th Jul 2026325 AMAQI
24th Jul 2026426 AMAQI
24th Jul 2026297 AMAQI
24th Jul 2026518 AMAQI
24th Jul 2026389 AMAQI
24th Jul 20265810 AMAQI
24th Jul 20265411 AMAQI
24th Jul 20264412 PMAQI
24th Jul 2026521 PMAQI
24th Jul 2026492 PMAQI
24th Jul 2026493 PMAQI
24th Jul 2026424 PMAQI
24th Jul 2026315 PMAQI
24th Jul 2026306 PMAQI
24th Jul 2026297 PMAQI
24th Jul 2026388 PMAQI
24th Jul 2026409 PMAQI
24th Jul 20264810 PMAQI
24th Jul 20264211 PMAQI
25th Jul 20264012 AMAQI
25th Jul 2026491 AMAQI
25th Jul 2026382 AMAQI
25th Jul 2026383 AMAQI
25th Jul 2026524 AMAQI
28°C24/31°C
25th Jul 2026495 AMAQI
25th Jul 2026406 AMAQI
25th Jul 2026507 AMAQI
25th Jul 2026528 AMAQI
25th Jul 2026689 AMAQI
25th Jul 20265810 AMAQI
25th Jul 20265611 AMAQI
25th Jul 20264612 PMAQI
25th Jul 2026441 PMAQI
25th Jul 2026402 PMAQI
25th Jul 2026403 PMAQI
25th Jul 2026404 PMAQI
25th Jul 2026425 PMAQI
25th Jul 2026446 PMAQI
25th Jul 2026467 PMAQI
25th Jul 2026528 PMAQI
25th Jul 2026609 PMAQI
25th Jul 20266810 PMAQI
25th Jul 20267111 PMAQI
26th Jul 20267912 AMAQI
26th Jul 2026871 AMAQI
26th Jul 2026852 AMAQI
26th Jul 2026863 AMAQI
26th Jul 2026804 AMAQI
30°C26/35°C
26th Jul 2026815 AMAQI
26th Jul 2026886 AMAQI
26th Jul 2026887 AMAQI
26th Jul 2026928 AMAQI
26th Jul 2026859 AMAQI
26th Jul 20269010 AMAQI
26th Jul 20269711 AMAQI
26th Jul 20269812 PMAQI
26th Jul 2026821 PMAQI
26th Jul 2026742 PMAQI
26th Jul 2026623 PMAQI
26th Jul 2026564 PMAQI
26th Jul 2026315 PMAQI
26th Jul 2026296 PMAQI
26th Jul 2026317 PMAQI
26th Jul 2026308 PMAQI
26th Jul 2026279 PMAQI
26th Jul 20262510 PMAQI
26th Jul 20262511 PMAQI
27th Jul 20262512 AMAQI
27th Jul 2026251 AMAQI
27th Jul 2026272 AMAQI
27th Jul 2026273 AMAQI
27th Jul 2026424 AMAQI
30°C27/35°C
27th Jul 2026425 AMAQI
27th Jul 2026426 AMAQI
27th Jul 2026257 AMAQI
27th Jul 2026278 AMAQI
27th Jul 2026259 AMAQI
27th Jul 20262510 AMAQI
27th Jul 20262411 AMAQI
27th Jul 20262812 PMAQI
27th Jul 2026281 PMAQI
27th Jul 2026332 PMAQI
27th Jul 2026383 PMAQI
27th Jul 2026384 PMAQI
27th Jul 2026425 PMAQI
27th Jul 2026446 PMAQI
27th Jul 2026447 PMAQI
27th Jul 2026468 PMAQI
27th Jul 2026539 PMAQI
27th Jul 20265710 PMAQI
27th Jul 20266211 PMAQI
28th Jul 20266512 AMAQI
28th Jul 2026661 AMAQI
28th Jul 2026682 AMAQI
28th Jul 2026563 AMAQI
28th Jul 2026404 AMAQI
27°C25/29°C
28th Jul 2026335 AMAQI
28th Jul 2026386 AMAQI
28th Jul 2026387 AMAQI
28th Jul 2026388 AMAQI
28th Jul 2026409 AMAQI
28th Jul 20263310 AMAQI
28th Jul 20262511 AMAQI
28th Jul 20262512 PMAQI
28th Jul 2026251 PMAQI
28th Jul 2026272 PMAQI
28th Jul 2026253 PMAQI
28th Jul 2026254 PMAQI
28th Jul 2026235 PMAQI
28th Jul 2026276 PMAQI
28th Jul 2026297 PMAQI
28th Jul 2026338 PMAQI
28th Jul 2026299 PMAQI
28th Jul 20262910 PMAQI
28th Jul 20263411 PMAQI
29th Jul 20263812 AMAQI
29th Jul 2026321 AMAQI
29th Jul 2026322 AMAQI
29th Jul 2026323 AMAQI
29th Jul 2026294 AMAQI
26°C25/27°C
29th Jul 2026335 AMAQI
29th Jul 2026256 AMAQI
29th Jul 2026317 AMAQI
29th Jul 2026318 AMAQI
29th Jul 2026389 AMAQI
29th Jul 20263610 AMAQI
29th Jul 20263411 AMAQI
29th Jul 20262712 PMAQI
29th Jul 2026211 PMAQI
29th Jul 2026232 PMAQI
29th Jul 2026253 PMAQI
29th Jul 2026254 PMAQI
29th Jul 2026235 PMAQI
29th Jul 2026216 PMAQI
29th Jul 2026217 PMAQI
29th Jul 2026238 PMAQI
29th Jul 2026279 PMAQI
29th Jul 20262510 PMAQI
29th Jul 20262511 PMAQI
30th Jul 20262512 AMAQI
30th Jul 2026271 AMAQI
30th Jul 2026272 AMAQI
30th Jul 2026253 AMAQI
30th Jul 2026214 AMAQI
28°C25/32°C
30th Jul 2026215 AMAQI
30th Jul 2026236 AMAQI
30th Jul 2026257 AMAQI
30th Jul 2026278 AMAQI
30th Jul 2026259 AMAQI
30th Jul 20265310 AMAQI
30th Jul 20264611 AMAQI
30th Jul 20264012 PMAQI
30th Jul 2026361 PMAQI
30th Jul 2026422 PMAQI
30th Jul 2026343 PMAQI
30th Jul 2026384 PMAQI
30th Jul 2026235 PMAQI
30th Jul 2026276 PMAQI
30th Jul 2026367 PMAQI
30th Jul 2026348 PMAQI
30th Jul 2026469 PMAQI
30th Jul 20263610 PMAQI
30th Jul 20264211 PMAQI
31st Jul 20263812 AMAQI
31st Jul 2026311 AMAQI
31st Jul 2026402 AMAQI
31st Jul 2026423 AMAQI
31st Jul 2026504 AMAQI
29°C26/34°C
31st Jul 2026495 AMAQI
31st Jul 2026586 AMAQI
31st Jul 2026687 AMAQI
31st Jul 2026588 AMAQI
31st Jul 2026519 AMAQI
31st Jul 20265110 AMAQI
31st Jul 20264411 AMAQI
31st Jul 20264012 PMAQI
31st Jul 2026341 PMAQI
31st Jul 2026292 PMAQI
31st Jul 2026423 PMAQI
31st Jul 2026404 PMAQI
31st Jul 2026385 PMAQI
31st Jul 2026406 PMAQI
31st Jul 2026387 PMAQI
31st Jul 2026278 PMAQI
31st Jul 2026329 PMAQI
31st Jul 20264010 PMAQI
31st Jul 20264211 PMAQI
1st Aug 20264612 AMAQI
1st Aug 2026461 AMAQI
1st Aug 2026442 AMAQI
1st Aug 2026473 AMAQI
1st Aug 2026634 AMAQI
29°C25/33°C
1st Aug 2026535 AMAQI
1st Aug 2026576 AMAQI
1st Aug 2026567 AMAQI
1st Aug 2026498 AMAQI
1st Aug 2026519 AMAQI
1st Aug 20265510 AMAQI
1st Aug 20265511 AMAQI
1st Aug 20264812 PMAQI
1st Aug 2026331 PMAQI
1st Aug 2026382 PMAQI
1st Aug 2026383 PMAQI
1st Aug 2026524 PMAQI
1st Aug 2026345 PMAQI
1st Aug 2026316 PMAQI
1st Aug 2026407 PMAQI
1st Aug 2026608 PMAQI
1st Aug 2026609 PMAQI
1st Aug 20265710 PMAQI
1st Aug 20265611 PMAQI
2nd Aug 20265212 AMAQI
2nd Aug 2026601 AMAQI
2nd Aug 2026592 AMAQI
2nd Aug 2026513 AMAQI
2nd Aug 2026604 AMAQI
29°C25/34°C
2nd Aug 2026605 AMAQI
2nd Aug 2026636 AMAQI
2nd Aug 2026657 AMAQI
2nd Aug 2026648 AMAQI
2nd Aug 2026659 AMAQI
2nd Aug 20267010 AMAQI
2nd Aug 20266711 AMAQI
2nd Aug 20265812 PMAQI
2nd Aug 2026551 PMAQI
2nd Aug 2026532 PMAQI
2nd Aug 2026573 PMAQI
2nd Aug 2026484 PMAQI
2nd Aug 2026445 PMAQI
2nd Aug 2026446 PMAQI
2nd Aug 2026507 PMAQI
2nd Aug 2026608 PMAQI
2nd Aug 2026679 PMAQI
2nd Aug 20266610 PMAQI
2nd Aug 20266411 PMAQI
3rd Aug 20266012 AMAQI
3rd Aug 2026541 AMAQI
3rd Aug 2026362 AMAQI
3rd Aug 2026343 AMAQI
3rd Aug 2026254 AMAQI
30°C26/35°C
3rd Aug 2026275 AMAQI
3rd Aug 2026296 AMAQI
3rd Aug 2026297 AMAQI
3rd Aug 2026318 AMAQI
3rd Aug 2026319 AMAQI
3rd Aug 20262910 AMAQI
3rd Aug 20262711 AMAQI
3rd Aug 20262712 PMAQI
3rd Aug 2026251 PMAQI
3rd Aug 2026292 PMAQI
3rd Aug 2026213 PMAQI
3rd Aug 2026344 PMAQI
3rd Aug 2026275 PMAQI
3rd Aug 2026406 PMAQI
3rd Aug 2026517 PMAQI
3rd Aug 2026668 PMAQI
3rd Aug 2026609 PMAQI
3rd Aug 20266610 PMAQI
3rd Aug 20266611 PMAQI
4th Aug 20266412 AMAQI
4th Aug 2026601 AMAQI
4th Aug 2026622 AMAQI
4th Aug 2026663 AMAQI
4th Aug 2026744 AMAQI
30°C25/35°C
4th Aug 2026805 AMAQI
4th Aug 2026786 AMAQI
4th Aug 2026757 AMAQI
4th Aug 2026708 AMAQI
4th Aug 2026709 AMAQI
4th Aug 20266810 AMAQI
4th Aug 20266511 AMAQI
4th Aug 20265912 PMAQI
4th Aug 2026511 PMAQI
4th Aug 2026402 PMAQI
4th Aug 2026463 PMAQI
4th Aug 2026524 PMAQI
4th Aug 2026585 PMAQI
4th Aug 2026656 PMAQI
4th Aug 2026647 PMAQI
4th Aug 2026608 PMAQI
4th Aug 2026529 PMAQI
4th Aug 20264010 PMAQI
4th Aug 20263811 PMAQI
5th Aug 20264212 AMAQI
5th Aug 2026541 AMAQI
5th Aug 2026622 AMAQI
5th Aug 2026713 AMAQI
5th Aug 2026714 AMAQI
29°C26/34°C
5th Aug 2026825 AMAQI
5th Aug 2026876 AMAQI
5th Aug 2026947 AMAQI
5th Aug 2026978 AMAQI
5th Aug 20261129 AMAQI
5th Aug 202611210 AMAQI
5th Aug 202611411 AMAQI
5th Aug 202610612 PMAQI
5th Aug 2026921 PMAQI
5th Aug 2026832 PMAQI
5th Aug 2026753 PMAQI
5th Aug 2026714 PMAQI
5th Aug 2026695 PMAQI
5th Aug 2026676 PMAQI
5th Aug 2026667 PMAQI
5th Aug 2026578 PMAQI
5th Aug 2026559 PMAQI
5th Aug 20264410 PMAQI
5th Aug 20265111 PMAQI
6th Aug 20265812 AMAQI
6th Aug 2026481 AMAQI
6th Aug 2026322 AMAQI
6th Aug 2026213 AMAQI
6th Aug 2026294 AMAQI
29°C25/34°C
6th Aug 2026365 AMAQI
6th Aug 2026606 AMAQI
6th Aug 2026647 AMAQI
6th Aug 2026668 AMAQI
6th Aug 2026909 AMAQI
6th Aug 20269210 AMAQI
6th Aug 20269811 AMAQI
6th Aug 20268612 PMAQI
6th Aug 2026781 PMAQI
6th Aug 2026562 PMAQI
6th Aug 2026543 PMAQI
6th Aug 2026514 PMAQI
6th Aug 2026425 PMAQI
6th Aug 2026276 PMAQI
6th Aug 2026427 PMAQI
6th Aug 2026528 PMAQI
6th Aug 2026369 PMAQI
6th Aug 20262510 PMAQI
6th Aug 20262911 PMAQI
7th Aug 20262712 AMAQI
7th Aug 2026211 AMAQI
7th Aug 2026292 AMAQI
7th Aug 2026333 AMAQI
7th Aug 2026444 AMAQI
29°C26/34°C
7th Aug 2026525 AMAQI
7th Aug 2026546 AMAQI
7th Aug 2026627 AMAQI
7th Aug 2026668 AMAQI
7th Aug 2026649 AMAQI
7th Aug 20266710 AMAQI
7th Aug 20266511 AMAQI
7th Aug 20266612 PMAQI
7th Aug 2026231 PMAQI
7th Aug 2026272 PMAQI
7th Aug 2026363 PMAQI
7th Aug 2026424 PMAQI
7th Aug 2026425 PMAQI
7th Aug 2026296 PMAQI
7th Aug 2026217 PMAQI
7th Aug 2026278 PMAQI
7th Aug 2026319 PMAQI
7th Aug 20263610 PMAQI
7th Aug 20264811 PMAQI
8th Aug 20264012 AMAQI
8th Aug 2026331 AMAQI
8th Aug 2026342 AMAQI
8th Aug 2026383 AMAQI
8th Aug 2026484 AMAQI
29°C26/33°C
8th Aug 2026515 AMAQI
8th Aug 2026546 AMAQI
8th Aug 2026577 AMAQI
8th Aug 2026628 AMAQI
8th Aug 2026569 AMAQI
8th Aug 20264010 AMAQI
8th Aug 20263811 AMAQI
8th Aug 20264212 PMAQI
8th Aug 2026361 PMAQI
8th Aug 2026312 PMAQI
8th Aug 2026213 PMAQI
8th Aug 2026224 PMAQI
8th Aug 2026215 PMAQI
8th Aug 2026226 PMAQI
8th Aug 2026237 PMAQI
8th Aug 2026428 PMAQI
8th Aug 2026389 PMAQI
8th Aug 20264210 PMAQI
8th Aug 20265211 PMAQI
9th Aug 20265812 AMAQI
9th Aug 2026561 AMAQI
9th Aug 2026622 AMAQI
9th Aug 2026663 AMAQI
9th Aug 2026674 AMAQI
28°C25/33°C
9th Aug 2026625 AMAQI
9th Aug 2026646 AMAQI
9th Aug 2026667 AMAQI
9th Aug 2026558 AMAQI
9th Aug 2026519 AMAQI
9th Aug 20265410 AMAQI
9th Aug 20264911 AMAQI
9th Aug 20265112 PMAQI
9th Aug 2026481 PMAQI
9th Aug 2026362 PMAQI
9th Aug 2026403 PMAQI
9th Aug 2026334 PMAQI
9th Aug 2026385 PMAQI
9th Aug 2026296 PMAQI
9th Aug 2026247 PMAQI
9th Aug 2026298 PMAQI
9th Aug 2026259 PMAQI
9th Aug 20262910 PMAQI
9th Aug 20263311 PMAQI
10th Aug 20263612 AMAQI
10th Aug 2026311 AMAQI
10th Aug 2026292 AMAQI
10th Aug 2026253 AMAQI
10th Aug 2026254 AMAQI
27°C24/30°C
10th Aug 2026295 AMAQI
10th Aug 2026276 AMAQI
10th Aug 2026277 AMAQI
10th Aug 2026298 AMAQI
10th Aug 2026299 AMAQI
10th Aug 20262910 AMAQI
10th Aug 20262511 AMAQI
10th Aug 20262112 PMAQI
10th Aug 2026271 PMAQI
10th Aug 2026252 PMAQI
10th Aug 2026253 PMAQI
10th Aug 2026214 PMAQI
10th Aug 2026235 PMAQI
10th Aug 2026216 PMAQI
10th Aug 2026217 PMAQI
10th Aug 2026258 PMAQI
10th Aug 2026239 PMAQI
10th Aug 20261910 PMAQI
10th Aug 20262111 PMAQI
11th Aug 20262112 AMAQI
11th Aug 2026211 AMAQI
11th Aug 2026232 AMAQI
11th Aug 2026253 AMAQI
11th Aug 2026234 AMAQI
25°C24/25°C
11th Aug 2026295 AMAQI
11th Aug 2026256 AMAQI
11th Aug 2026237 AMAQI
11th Aug 2026368 AMAQI
11th Aug 2026569 AMAQI
11th Aug 20265410 AMAQI
11th Aug 20264711 AMAQI
11th Aug 20264612 PMAQI
11th Aug 2026501 PMAQI
11th Aug 2026402 PMAQI
11th Aug 2026503 PMAQI
11th Aug 2026424 PMAQI
11th Aug 2026365 PMAQI
11th Aug 2026406 PMAQI
11th Aug 2026327 PMAQI
11th Aug 2026448 PMAQI
11th Aug 2026539 PMAQI
11th Aug 20265210 PMAQI
11th Aug 20264611 PMAQI
12th Aug 20265212 AMAQI
12th Aug 2026401 AMAQI
12th Aug 2026422 AMAQI
12th Aug 2026383 AMAQI
12th Aug 2026474 AMAQI
26°C25/30°C
12th Aug 2026525 AMAQI
12th Aug 2026456 AMAQI
12th Aug 2026447 AMAQI
12th Aug 2026548 AMAQI
12th Aug 2026509 AMAQI
12th Aug 20265810 AMAQI
12th Aug 20266411 AMAQI
12th Aug 20265212 PMAQI
12th Aug 2026481 PMAQI
12th Aug 2026492 PMAQI
12th Aug 2026363 PMAQI
12th Aug 2026534 PMAQI
12th Aug 2026545 PMAQI
12th Aug 2026546 PMAQI
12th Aug 2026527 PMAQI
12th Aug 2026548 PMAQI
12th Aug 2026579 PMAQI
12th Aug 20265310 PMAQI
12th Aug 20266511 PMAQI
13th Aug 20266612 AMAQI
13th Aug 2026581 AMAQI
13th Aug 2026572 AMAQI
13th Aug 2026563 AMAQI
13th Aug 2026534 AMAQI
27°C25/30°C
13th Aug 2026525 AMAQI
13th Aug 2026566 AMAQI
13th Aug 2026547 AMAQI
13th Aug 2026628 AMAQI
13th Aug 2026669 AMAQI
13th Aug 20266510 AMAQI
13th Aug 20265511 AMAQI
13th Aug 20264612 PMAQI
13th Aug 2026481 PMAQI
13th Aug 2026362 PMAQI
13th Aug 2026423 PMAQI
13th Aug 2026364 PMAQI
13th Aug 2026315 PMAQI
13th Aug 2026406 PMAQI
13th Aug 2026387 PMAQI
13th Aug 2026348 PMAQI
13th Aug 2026409 PMAQI
13th Aug 20264010 PMAQI
13th Aug 20264211 PMAQI
14th Aug 20263812 AMAQI
14th Aug 2026461 AMAQI
14th Aug 2026482 AMAQI
14th Aug 2026423 AMAQI
14th Aug 2026424 AMAQI
24°C24/27°C
14th Aug 2026405 AMAQI
14th Aug 2026446 AMAQI
14th Aug 2026387 AMAQI
14th Aug 2026448 AMAQI
14th Aug 2026479 AMAQI
14th Aug 20265410 AMAQI
14th Aug 20264211 AMAQI
14th Aug 20263112 PMAQI
14th Aug 2026361 PMAQI
14th Aug 2026402 PMAQI
14th Aug 2026483 PMAQI
14th Aug 2026424 PMAQI
14th Aug 2026465 PMAQI
14th Aug 2026496 PMAQI
14th Aug 2026527 PMAQI
14th Aug 2026498 PMAQI
14th Aug 2026539 PMAQI
14th Aug 20265810 PMAQI
14th Aug 20265911 PMAQI
15th Aug 20265912 AMAQI
15th Aug 2026581 AMAQI
15th Aug 2026572 AMAQI
15th Aug 2026643 AMAQI
15th Aug 2026624 AMAQI
23°C23/24°C
15th Aug 2026675 AMAQI
5 AM15th Aug 2026656 AMAQI
15th Aug 2026657 AMAQI
15th Aug 2026608 AMAQI
15th Aug 2026719 AMAQI
15th Aug 20266010 AMAQI
15th Aug 20266011 AMAQI
15th Aug 20264612 PMAQI
12 PM15th Aug 2026601 PMAQI
15th Aug 2026522 PMAQI
15th Aug 2026573 PMAQI
15th Aug 2026584 PMAQI
15th Aug 2026585 PMAQI
15th Aug 2026566 PMAQI
15th Aug 2026567 PMAQI
7 PM15th Aug 2026608 PMAQI
15th Aug 2026659 PMAQI
15th Aug 20266810 PMAQI
15th Aug 20266411 PMAQI
12 AM
4 AM
24°C21/26°C
Day time
Avg. Highest Time
10 AM
54AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
5 PM - 7 PM
39AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 10 AM (Avg. 54), while the lowest AQI was between 5 PM to 7 PM (Avg. 39).
Night time
Avg. Highest Time
11 PM
46AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
8 PM
42AQI
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. 46), while the lowest AQI was between 8 PM to 8 PM (Avg. 42).
2026 Days Vs Air Quality
Dongpu Reservoir, Hefei, Anhui, China
2026
34%
77
36%
81
28%
63
3%
6
Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)
Good
77 DaysModerate
81 DaysPoor
63 DaysUnhealthy
6 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 34%
Health Risk Level:
High
In 2026, 34% of 227 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
Dongpu Reservoir, Hefei, Anhui, 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
60AQI (US)
60AQI (US)
2nd January 2026
129AQI (US)
129AQI (US)
3rd January 2026
145AQI (US)
145AQI (US)
4th January 2026
153AQI (US)
153AQI (US)
5th January 2026
144AQI (US)
144AQI (US)
6th January 2026
117AQI (US)
117AQI (US)
7th January 2026
69AQI (US)
69AQI (US)
8th January 2026
104AQI (US)
104AQI (US)
9th January 2026
116AQI (US)
116AQI (US)
10th January 2026
107AQI (US)
107AQI (US)
11th January 2026
71AQI (US)
71AQI (US)
12th January 2026
94AQI (US)
94AQI (US)
13th January 2026
141AQI (US)
141AQI (US)
14th January 2026
133AQI (US)
133AQI (US)
15th January 2026
131AQI (US)
131AQI (US)
16th January 2026
136AQI (US)
136AQI (US)
17th January 2026
176AQI (US)
176AQI (US)
18th January 2026
159AQI (US)
159AQI (US)
19th January 2026
50AQI (US)
50AQI (US)
20th January 2026
81AQI (US)
81AQI (US)
21st January 2026
101AQI (US)
101AQI (US)
22nd January 2026
80AQI (US)
80AQI (US)
23rd January 2026
123AQI (US)
123AQI (US)
24th January 2026
151AQI (US)
151AQI (US)
25th January 2026
159AQI (US)
159AQI (US)
26th January 2026
117AQI (US)
117AQI (US)
27th January 2026
83AQI (US)
83AQI (US)
28th January 2026
135AQI (US)
135AQI (US)
29th January 2026
134AQI (US)
134AQI (US)
30th January 2026
68AQI (US)
68AQI (US)
31st January 2026
69AQI (US)
69AQI (US)
1st February 2026
80AQI (US)
80AQI (US)
2nd February 2026
85AQI (US)
85AQI (US)
3rd February 2026
143AQI (US)
143AQI (US)
4th February 2026
136AQI (US)
136AQI (US)
5th February 2026
134AQI (US)
134AQI (US)
6th February 2026
93AQI (US)
93AQI (US)
7th February 2026
63AQI (US)
63AQI (US)
8th February 2026
88AQI (US)
88AQI (US)
9th February 2026
74AQI (US)
74AQI (US)
10th February 2026
99AQI (US)
99AQI (US)
11th February 2026
110AQI (US)
110AQI (US)
12th February 2026
139AQI (US)
139AQI (US)
13th February 2026
119AQI (US)
119AQI (US)
14th February 2026
126AQI (US)
126AQI (US)
15th February 2026
118AQI (US)
118AQI (US)
16th February 2026
53AQI (US)
53AQI (US)
17th February 2026
144AQI (US)
144AQI (US)
18th February 2026
113AQI (US)
113AQI (US)
19th February 2026
123AQI (US)
123AQI (US)
20th February 2026
107AQI (US)
107AQI (US)
21st February 2026
72AQI (US)
72AQI (US)
22nd February 2026
72AQI (US)
72AQI (US)
23rd February 2026
82AQI (US)
82AQI (US)
24th February 2026
55AQI (US)
55AQI (US)
25th February 2026
70AQI (US)
70AQI (US)
26th February 2026
60AQI (US)
60AQI (US)
27th February 2026
51AQI (US)
51AQI (US)
28th February 2026
72AQI (US)
72AQI (US)
1st March 2026
62AQI (US)
62AQI (US)
2nd March 2026
31AQI (US)
31AQI (US)
3rd March 2026
110AQI (US)
110AQI (US)
4th March 2026
111AQI (US)
111AQI (US)
5th March 2026
107AQI (US)
107AQI (US)
6th March 2026
112AQI (US)
112AQI (US)
7th March 2026
99AQI (US)
99AQI (US)
8th March 2026
115AQI (US)
115AQI (US)
9th March 2026
137AQI (US)
137AQI (US)
10th March 2026
143AQI (US)
143AQI (US)
11th March 2026
119AQI (US)
119AQI (US)
12th March 2026
136AQI (US)
136AQI (US)
13th March 2026
137AQI (US)
137AQI (US)
14th March 2026
121AQI (US)
121AQI (US)
15th March 2026
142AQI (US)
142AQI (US)
16th March 2026
91AQI (US)
91AQI (US)
17th March 2026
107AQI (US)
107AQI (US)
18th March 2026
90AQI (US)
90AQI (US)
19th March 2026
117AQI (US)
117AQI (US)
20th March 2026
153AQI (US)
153AQI (US)
21st March 2026
149AQI (US)
149AQI (US)
22nd March 2026
104AQI (US)
104AQI (US)
23rd March 2026
120AQI (US)
120AQI (US)
24th March 2026
109AQI (US)
109AQI (US)
25th March 2026
121AQI (US)
121AQI (US)
26th March 2026
121AQI (US)
121AQI (US)
27th March 2026
133AQI (US)
133AQI (US)
28th March 2026
93AQI (US)
93AQI (US)
29th March 2026
95AQI (US)
95AQI (US)
30th March 2026
82AQI (US)
82AQI (US)
31st March 2026
150AQI (US)
150AQI (US)
1st April 2026
129AQI (US)
129AQI (US)
2nd April 2026
96AQI (US)
96AQI (US)
3rd April 2026
78AQI (US)
78AQI (US)
4th April 2026
65AQI (US)
65AQI (US)
5th April 2026
74AQI (US)
74AQI (US)
6th April 2026
99AQI (US)
99AQI (US)
7th April 2026
65AQI (US)
65AQI (US)
8th April 2026
41AQI (US)
41AQI (US)
9th April 2026
65AQI (US)
65AQI (US)
10th April 2026
47AQI (US)
47AQI (US)
11th April 2026
101AQI (US)
101AQI (US)
12th April 2026
48AQI (US)
48AQI (US)
13th April 2026
48AQI (US)
48AQI (US)
14th April 2026
45AQI (US)
45AQI (US)
15th April 2026
77AQI (US)
77AQI (US)
16th April 2026
110AQI (US)
110AQI (US)
17th April 2026
105AQI (US)
105AQI (US)
18th April 2026
83AQI (US)
83AQI (US)
19th April 2026
74AQI (US)
74AQI (US)
20th April 2026
48AQI (US)
48AQI (US)
21st April 2026
59AQI (US)
59AQI (US)
22nd April 2026
17AQI (US)
17AQI (US)
23rd April 2026
17AQI (US)
17AQI (US)
24th April 2026
49AQI (US)
49AQI (US)
25th April 2026
58AQI (US)
58AQI (US)
26th April 2026
59AQI (US)
59AQI (US)
27th April 2026
79AQI (US)
79AQI (US)
28th April 2026
48AQI (US)
48AQI (US)
29th April 2026
36AQI (US)
36AQI (US)
30th April 2026
44AQI (US)
44AQI (US)
1st May 2026
42AQI (US)
42AQI (US)
2nd May 2026
58AQI (US)
58AQI (US)
3rd May 2026
46AQI (US)
46AQI (US)
4th May 2026
20AQI (US)
20AQI (US)
5th May 2026
38AQI (US)
38AQI (US)
6th May 2026
57AQI (US)
57AQI (US)
7th May 2026
77AQI (US)
77AQI (US)
8th May 2026
34AQI (US)
34AQI (US)
9th May 2026
46AQI (US)
46AQI (US)
10th May 2026
64AQI (US)
64AQI (US)
11th May 2026
71AQI (US)
71AQI (US)
12th May 2026
93AQI (US)
93AQI (US)
13th May 2026
120AQI (US)
120AQI (US)
14th May 2026
115AQI (US)
115AQI (US)
15th May 2026
36AQI (US)
36AQI (US)
16th May 2026
76AQI (US)
76AQI (US)
17th May 2026
62AQI (US)
62AQI (US)
18th May 2026
56AQI (US)
56AQI (US)
19th May 2026
53AQI (US)
53AQI (US)
20th May 2026
63AQI (US)
63AQI (US)
21st May 2026
68AQI (US)
68AQI (US)
22nd May 2026
78AQI (US)
78AQI (US)
23rd May 2026
72AQI (US)
72AQI (US)
24th May 2026
72AQI (US)
72AQI (US)
25th May 2026
66AQI (US)
66AQI (US)
26th May 2026
48AQI (US)
48AQI (US)
27th May 2026
32AQI (US)
32AQI (US)
28th May 2026
56AQI (US)
56AQI (US)
29th May 2026
82AQI (US)
82AQI (US)
30th May 2026
81AQI (US)
81AQI (US)
31st May 2026
87AQI (US)
87AQI (US)
1st June 2026
107AQI (US)
107AQI (US)
2nd June 2026
119AQI (US)
119AQI (US)
3rd June 2026
130AQI (US)
130AQI (US)
4th June 2026
103AQI (US)
103AQI (US)
5th June 2026
63AQI (US)
63AQI (US)
6th June 2026
39AQI (US)
39AQI (US)
7th June 2026
87AQI (US)
87AQI (US)
8th June 2026
59AQI (US)
59AQI (US)
9th June 2026
45AQI (US)
45AQI (US)
10th June 2026
43AQI (US)
43AQI (US)
11th June 2026
47AQI (US)
47AQI (US)
12th June 2026
72AQI (US)
72AQI (US)
13th June 2026
43AQI (US)
43AQI (US)
14th June 2026
45AQI (US)
45AQI (US)
15th June 2026
44AQI (US)
44AQI (US)
16th June 2026
45AQI (US)
45AQI (US)
17th June 2026
58AQI (US)
58AQI (US)
18th June 2026
86AQI (US)
86AQI (US)
19th June 2026
28AQI (US)
28AQI (US)
20th June 2026
14AQI (US)
14AQI (US)
21st June 2026
44AQI (US)
44AQI (US)
22nd June 2026
19AQI (US)
19AQI (US)
23rd June 2026
11AQI (US)
11AQI (US)
24th June 2026
22AQI (US)
22AQI (US)
25th June 2026
40AQI (US)
40AQI (US)
26th June 2026
56AQI (US)
56AQI (US)
27th June 2026
104AQI (US)
104AQI (US)
28th June 2026
108AQI (US)
108AQI (US)
29th June 2026
128AQI (US)
128AQI (US)
30th June 2026
36AQI (US)
36AQI (US)
1st July 2026
36AQI (US)
36AQI (US)
2nd July 2026
38AQI (US)
38AQI (US)
3rd July 2026
11AQI (US)
11AQI (US)
4th July 2026
25AQI (US)
25AQI (US)
5th July 2026
18AQI (US)
18AQI (US)
6th July 2026
19AQI (US)
19AQI (US)
7th July 2026
22AQI (US)
22AQI (US)
8th July 2026
24AQI (US)
24AQI (US)
9th July 2026
25AQI (US)
25AQI (US)
10th July 2026
28AQI (US)
28AQI (US)
11th July 2026
44AQI (US)
44AQI (US)
12th July 2026
20AQI (US)
20AQI (US)
13th July 2026
20AQI (US)
20AQI (US)
14th July 2026
47AQI (US)
47AQI (US)
15th July 2026
17AQI (US)
17AQI (US)
16th July 2026
18AQI (US)
18AQI (US)
17th July 2026
37AQI (US)
37AQI (US)
18th July 2026
45AQI (US)
45AQI (US)
19th July 2026
59AQI (US)
59AQI (US)
20th July 2026
27AQI (US)
27AQI (US)
21st July 2026
35AQI (US)
35AQI (US)
22nd July 2026
43AQI (US)
43AQI (US)
23rd July 2026
37AQI (US)
37AQI (US)
24th July 2026
42AQI (US)
42AQI (US)
25th July 2026
49AQI (US)
49AQI (US)
26th July 2026
67AQI (US)
67AQI (US)
27th July 2026
36AQI (US)
36AQI (US)
28th July 2026
36AQI (US)
36AQI (US)
29th July 2026
28AQI (US)
28AQI (US)
30th July 2026
32AQI (US)
32AQI (US)
31st July 2026
43AQI (US)
43AQI (US)
1st August 2026
49AQI (US)
49AQI (US)
2nd August 2026
58AQI (US)
58AQI (US)
3rd August 2026
38AQI (US)
38AQI (US)
4th August 2026
61AQI (US)
61AQI (US)
5th August 2026
76AQI (US)
76AQI (US)
6th August 2026
53AQI (US)
53AQI (US)
7th August 2026
42AQI (US)
42AQI (US)
8th August 2026
39AQI (US)
39AQI (US)
9th August 2026
47AQI (US)
47AQI (US)
10th August 2026
26AQI (US)
26AQI (US)
11th August 2026
38AQI (US)
38AQI (US)
12th August 2026
51AQI (US)
51AQI (US)
13th August 2026
49AQI (US)
49AQI (US)
14th August 2026
45AQI (US)
45AQI (US)
15th August 2026
60AQI (US)
60AQI (US)
16th August 2026
17th August 2026
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
114AQI (US)
96AQI (US)
113AQI (US)
65AQI (US)
64AQI (US)
62AQI (US)
33AQI (US)
49AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202676AQI (US)
1
9
16
5
16
12
1
7
22
1
12
14
4
9
20
2
16
7
7
29
2
9
6
77
81
63
6
Highest AQI (US) recorded in
January114AQI (US)
Lowest AQI (US) recorded in
July33AQI (US)
202592AQI (US)
5
17
9
6
19
3
15
15
1
21
8
1
20
11
9
21
11
20
8
23
4
26
1
19
11
1
9
17
3
9
12
10
34
194
110
26
1
Highest AQI (US) recorded in
January131AQI (US)
Lowest AQI (US) recorded in
August53AQI (US)
202487AQI (US)
1
8
10
10
1
4
10
11
3
1
5
8
2
1
1
12
3
27
15
16
4
27
6
23
6
15
8
2
2
19
8
1
1
25
5
41
165
71
22
2
Highest AQI (US) recorded in
December129AQI (US)
Lowest AQI (US) recorded in
July50AQI (US)
202384AQI (US)
10
10
1
2
13
9
4
1
11
16
3
2
18
8
1
1
4
25
2
9
21
19
12
3
28
8
20
2
6
15
6
2
2
14
10
2
12
12
3
2
58
199
75
14
3
Highest AQI (US) recorded in
December114AQI (US)
Lowest AQI (US) recorded in
July47AQI (US)
202282AQI (US)
1
6
10
11
12
8
1
5
15
8
2
1
26
2
3
28
5
23
1
8
8
1
3
25
1
8
19
4
3
16
9
2
5
3
38
183
46
16
Highest AQI (US) recorded in
January129AQI (US)
Lowest AQI (US) recorded in
August45AQI (US)
202187AQI (US)
9
15
7
1
19
8
1
17
11
2
1
23
6
2
22
7
4
22
4
18
13
11
11
1
7
10
1
12
11
7
39
155
73
16
Highest AQI (US) recorded in
January120AQI (US)
Lowest AQI (US) recorded in
July46AQI (US)
202083AQI (US)
3
9
1
17
4
17
1
10
19
1
8
19
4
10
21
1
25
4
3
17
11
1
18
11
5
13
13
36
167
50
13
Highest AQI (US) recorded in
December135AQI (US)
Lowest AQI (US) recorded in
June60AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
92AQI (US)Least Polluted Year Recorded
2026(Avg.)
76AQI (US)Dongpu Reservoir's annual 2026 AQI (US) (76) shows an average percentage change of -11.3% (improved AQI (US)) compared to previous years: 2020 (83), 2021 (87), 2022 (82), 2023 (84), 2024 (87), 2025 (92).
