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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Baian Dam, Sanzhou, Chongqing, 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

Baian Dam, Sanzhou, Chongqing, China

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
17th Aug 2024
111AQI
Lowest AQI recorded on
3rd Aug 2026
25AQI

Same Day Analysis (9th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 41 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

Day & Night AQI Trend: 8th Aug - 9th Aug 2026

Baian Dam, Sanzhou, Chongqing, China

AQI
Day
Night
.

6 AM8th Aug 2026

7 PM

5 AM9th Aug 2026

Day time
Avg. Highest Time
6PM8th Aug

55AQI

Avg. Lowest Time
1PM8th Aug

25AQI

Night time
Avg. Highest Time
8PM8th Aug

64AQI

Avg. Lowest Time
1AM9th Aug

22AQI

In the last 24 hours,

Baian Dam's AQI reached its highest point of 64 at 8 PM during the Night, while the lowest point, 22, was recorded at 1 AM during the Night between 8th Aug and 9th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Baian Dam, Sanzhou, Chongqing, China

JulAug
11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th
Day
Night
11th Jul 2026326 AMAQI
11th Jul 2026337 AMAQI
11th Jul 2026348 AMAQI
11th Jul 2026329 AMAQI
11th Jul 20263110 AMAQI
11th Jul 20262811 AMAQI
11th Jul 20262412 PMAQI
11th Jul 2026241 PMAQI
11th Jul 2026222 PMAQI
11th Jul 2026223 PMAQI
11th Jul 2026304 PMAQI
11th Jul 2026305 PMAQI
11th Jul 2026266 PMAQI
11th Jul 2026247 PMAQI
11th Jul 2026288 PMAQI
11th Jul 2026309 PMAQI
11th Jul 20263210 PMAQI
11th Jul 20263411 PMAQI
12th Jul 20263412 AMAQI
12th Jul 2026341 AMAQI
12th Jul 2026352 AMAQI
12th Jul 2026303 AMAQI
12th Jul 2026324 AMAQI
12th Jul 2026315 AMAQI

29°C23/36°C

12th Jul 2026306 AMAQI
12th Jul 2026287 AMAQI
12th Jul 2026288 AMAQI
12th Jul 2026289 AMAQI
12th Jul 20262610 AMAQI
12th Jul 20262811 AMAQI
12th Jul 20262312 PMAQI
12th Jul 2026241 PMAQI
12th Jul 2026262 PMAQI
12th Jul 2026263 PMAQI
12th Jul 2026314 PMAQI
12th Jul 2026285 PMAQI
12th Jul 2026326 PMAQI
12th Jul 2026307 PMAQI
12th Jul 2026318 PMAQI
12th Jul 2026329 PMAQI
12th Jul 20266410 PMAQI
12th Jul 20264611 PMAQI
13th Jul 20262912 AMAQI
13th Jul 2026281 AMAQI
13th Jul 2026312 AMAQI
13th Jul 2026313 AMAQI
13th Jul 2026314 AMAQI
13th Jul 2026295 AMAQI

29°C23/36°C

13th Jul 2026316 AMAQI
13th Jul 2026367 AMAQI
13th Jul 2026448 AMAQI
13th Jul 2026539 AMAQI
13th Jul 20266510 AMAQI
13th Jul 20264211 AMAQI
13th Jul 20264212 PMAQI
13th Jul 2026441 PMAQI
13th Jul 2026532 PMAQI
13th Jul 2026543 PMAQI
13th Jul 2026554 PMAQI
13th Jul 2026315 PMAQI
13th Jul 2026426 PMAQI
13th Jul 2026407 PMAQI
13th Jul 2026388 PMAQI
13th Jul 2026369 PMAQI
13th Jul 20263810 PMAQI
13th Jul 20265011 PMAQI
14th Jul 20265112 AMAQI
14th Jul 2026521 AMAQI
14th Jul 2026482 AMAQI
14th Jul 2026533 AMAQI
14th Jul 2026644 AMAQI
14th Jul 2026515 AMAQI

29°C22/35°C

14th Jul 2026546 AMAQI
14th Jul 2026557 AMAQI
14th Jul 2026528 AMAQI
14th Jul 2026389 AMAQI
14th Jul 20264010 AMAQI
14th Jul 20263811 AMAQI
14th Jul 20264412 PMAQI
14th Jul 2026461 PMAQI
14th Jul 2026492 PMAQI
14th Jul 2026513 PMAQI
14th Jul 2026254 PMAQI
14th Jul 2026295 PMAQI
14th Jul 2026366 PMAQI
14th Jul 2026317 PMAQI
14th Jul 2026518 PMAQI
14th Jul 2026559 PMAQI
14th Jul 20266410 PMAQI
14th Jul 20265511 PMAQI
15th Jul 20265312 AMAQI
15th Jul 2026531 AMAQI
15th Jul 2026502 AMAQI
15th Jul 2026473 AMAQI
15th Jul 2026474 AMAQI
15th Jul 2026405 AMAQI

30°C23/37°C

15th Jul 2026566 AMAQI
15th Jul 2026527 AMAQI
15th Jul 2026528 AMAQI
15th Jul 2026549 AMAQI
15th Jul 20263310 AMAQI
15th Jul 20263311 AMAQI
15th Jul 20266212 PMAQI
15th Jul 2026601 PMAQI
15th Jul 2026572 PMAQI
15th Jul 2026463 PMAQI
15th Jul 2026274 PMAQI
15th Jul 2026235 PMAQI
15th Jul 2026466 PMAQI
15th Jul 2026427 PMAQI
15th Jul 2026528 PMAQI
15th Jul 2026509 PMAQI
15th Jul 20265810 PMAQI
15th Jul 20264611 PMAQI
16th Jul 20265312 AMAQI
16th Jul 2026581 AMAQI
16th Jul 2026622 AMAQI
16th Jul 2026583 AMAQI
16th Jul 2026584 AMAQI
16th Jul 2026685 AMAQI

30°C24/36°C

16th Jul 2026646 AMAQI
16th Jul 2026487 AMAQI
16th Jul 2026518 AMAQI
16th Jul 2026489 AMAQI
16th Jul 20264610 AMAQI
16th Jul 20265811 AMAQI
16th Jul 20265812 PMAQI
16th Jul 2026381 PMAQI
16th Jul 2026502 PMAQI
16th Jul 2026533 PMAQI
16th Jul 2026454 PMAQI
16th Jul 2026385 PMAQI
16th Jul 2026496 PMAQI
16th Jul 2026577 PMAQI
16th Jul 2026608 PMAQI
16th Jul 2026489 PMAQI
16th Jul 20263210 PMAQI
16th Jul 20264611 PMAQI
17th Jul 20265812 AMAQI
17th Jul 2026491 AMAQI
17th Jul 2026462 AMAQI
17th Jul 2026463 AMAQI
17th Jul 2026364 AMAQI
17th Jul 2026205 AMAQI

30°C24/37°C

17th Jul 2026206 AMAQI
17th Jul 2026227 AMAQI
17th Jul 2026248 AMAQI
17th Jul 2026199 AMAQI
17th Jul 20262110 AMAQI
17th Jul 20263311 AMAQI
17th Jul 20263612 PMAQI
17th Jul 2026271 PMAQI
17th Jul 2026362 PMAQI
17th Jul 2026273 PMAQI
17th Jul 2026314 PMAQI
17th Jul 2026275 PMAQI
17th Jul 2026276 PMAQI
17th Jul 2026367 PMAQI
17th Jul 2026388 PMAQI
17th Jul 2026389 PMAQI
17th Jul 20264010 PMAQI
17th Jul 20263611 PMAQI
18th Jul 20263412 AMAQI
18th Jul 2026291 AMAQI
18th Jul 2026252 AMAQI
18th Jul 2026213 AMAQI
18th Jul 2026224 AMAQI
18th Jul 2026275 AMAQI

28°C23/35°C

18th Jul 2026256 AMAQI
18th Jul 2026217 AMAQI
18th Jul 2026278 AMAQI
18th Jul 2026259 AMAQI
18th Jul 20262310 AMAQI
18th Jul 20262511 AMAQI
18th Jul 20262712 PMAQI
18th Jul 2026231 PMAQI
18th Jul 2026212 PMAQI
18th Jul 2026293 PMAQI
18th Jul 2026214 PMAQI
18th Jul 2026215 PMAQI
18th Jul 2026386 PMAQI
18th Jul 2026387 PMAQI
18th Jul 2026528 PMAQI
18th Jul 2026249 PMAQI
18th Jul 20263110 PMAQI
18th Jul 20263311 PMAQI
19th Jul 20265812 AMAQI
19th Jul 2026501 AMAQI
19th Jul 2026502 AMAQI
19th Jul 2026463 AMAQI
19th Jul 2026384 AMAQI
19th Jul 2026425 AMAQI

25°C23/29°C

19th Jul 2026386 AMAQI
19th Jul 2026277 AMAQI
19th Jul 2026278 AMAQI
19th Jul 2026259 AMAQI
19th Jul 20263410 AMAQI
19th Jul 20262511 AMAQI
19th Jul 20262912 PMAQI
19th Jul 2026271 PMAQI
19th Jul 2026272 PMAQI
19th Jul 2026293 PMAQI
19th Jul 2026314 PMAQI
19th Jul 2026335 PMAQI
19th Jul 2026386 PMAQI
19th Jul 2026387 PMAQI
19th Jul 2026338 PMAQI
19th Jul 2026389 PMAQI
19th Jul 20263810 PMAQI
19th Jul 20265911 PMAQI
20th Jul 20264612 AMAQI
20th Jul 2026501 AMAQI
20th Jul 2026502 AMAQI
20th Jul 2026523 AMAQI
20th Jul 2026424 AMAQI
20th Jul 2026385 AMAQI

26°C20/32°C

20th Jul 2026636 AMAQI
20th Jul 2026657 AMAQI
20th Jul 2026488 AMAQI
20th Jul 2026269 AMAQI
20th Jul 20263410 AMAQI
20th Jul 20265911 AMAQI
20th Jul 20266612 PMAQI
20th Jul 2026621 PMAQI
20th Jul 2026552 PMAQI
20th Jul 2026403 PMAQI
20th Jul 2026364 PMAQI
20th Jul 2026585 PMAQI
20th Jul 2026586 PMAQI
20th Jul 2026707 PMAQI
20th Jul 2026748 PMAQI
20th Jul 2026789 PMAQI
20th Jul 20266610 PMAQI
20th Jul 20265811 PMAQI
21st Jul 20268112 AMAQI
21st Jul 2026781 AMAQI
21st Jul 2026762 AMAQI
21st Jul 2026723 AMAQI
21st Jul 2026704 AMAQI
21st Jul 2026705 AMAQI

27°C20/34°C

21st Jul 2026766 AMAQI
21st Jul 2026627 AMAQI
21st Jul 2026628 AMAQI
21st Jul 2026599 AMAQI
21st Jul 20265810 AMAQI
21st Jul 20265612 PMAQI
21st Jul 2026591 PMAQI
21st Jul 2026642 PMAQI
21st Jul 2026793 PMAQI
21st Jul 2026744 PMAQI
21st Jul 2026765 PMAQI
21st Jul 20261086 PMAQI
21st Jul 2026827 PMAQI
21st Jul 2026788 PMAQI
21st Jul 2026889 PMAQI
21st Jul 20268010 PMAQI
21st Jul 20268111 PMAQI
22nd Jul 20268112 AMAQI
22nd Jul 2026781 AMAQI
22nd Jul 2026642 AMAQI
22nd Jul 2026493 AMAQI
22nd Jul 2026464 AMAQI
22nd Jul 2026405 AMAQI

28°C22/35°C

22nd Jul 2026446 AMAQI
22nd Jul 2026487 AMAQI
22nd Jul 2026528 AMAQI
22nd Jul 2026489 AMAQI
22nd Jul 20265010 AMAQI
22nd Jul 20265611 AMAQI
22nd Jul 20265512 PMAQI
22nd Jul 2026671 PMAQI
22nd Jul 2026682 PMAQI
22nd Jul 2026703 PMAQI
22nd Jul 2026744 PMAQI
22nd Jul 2026865 PMAQI
22nd Jul 2026766 PMAQI
22nd Jul 2026787 PMAQI
22nd Jul 2026788 PMAQI
22nd Jul 2026899 PMAQI
22nd Jul 20269210 PMAQI
22nd Jul 20267811 PMAQI
23rd Jul 20266612 AMAQI
23rd Jul 2026621 AMAQI
23rd Jul 2026602 AMAQI
23rd Jul 2026583 AMAQI
23rd Jul 2026564 AMAQI
23rd Jul 2026535 AMAQI

28°C22/35°C

23rd Jul 2026536 AMAQI
23rd Jul 2026577 AMAQI
23rd Jul 2026538 AMAQI
23rd Jul 2026549 AMAQI
23rd Jul 20265510 AMAQI
23rd Jul 20265311 AMAQI
23rd Jul 20265612 PMAQI
23rd Jul 2026531 PMAQI
23rd Jul 2026532 PMAQI
23rd Jul 2026493 PMAQI
23rd Jul 2026464 PMAQI
23rd Jul 2026515 PMAQI
23rd Jul 2026536 PMAQI
23rd Jul 2026527 PMAQI
23rd Jul 2026558 PMAQI
23rd Jul 2026539 PMAQI
23rd Jul 20266210 PMAQI
23rd Jul 20266211 PMAQI
24th Jul 20267412 AMAQI
24th Jul 2026631 AMAQI
24th Jul 2026622 AMAQI
24th Jul 2026553 AMAQI
24th Jul 2026544 AMAQI
24th Jul 2026545 AMAQI

28°C22/36°C

24th Jul 2026526 AMAQI
24th Jul 2026517 AMAQI
24th Jul 2026408 AMAQI
24th Jul 2026309 AMAQI
24th Jul 20263110 AMAQI
24th Jul 20265211 AMAQI
24th Jul 20265312 PMAQI
24th Jul 2026531 PMAQI
24th Jul 2026592 PMAQI
24th Jul 2026633 PMAQI
24th Jul 2026594 PMAQI
24th Jul 2026465 PMAQI
24th Jul 2026546 PMAQI
24th Jul 2026537 PMAQI
24th Jul 2026568 PMAQI
24th Jul 2026669 PMAQI
24th Jul 20265910 PMAQI
24th Jul 20266811 PMAQI
25th Jul 20266712 AMAQI
25th Jul 2026551 AMAQI
25th Jul 2026422 AMAQI
25th Jul 2026563 AMAQI
25th Jul 2026594 AMAQI
25th Jul 2026465 AMAQI

28°C20/35°C

25th Jul 2026466 AMAQI
25th Jul 2026547 AMAQI
25th Jul 2026628 AMAQI
25th Jul 2026409 AMAQI
25th Jul 20265410 AMAQI
25th Jul 20264811 AMAQI
25th Jul 20263312 PMAQI
25th Jul 2026511 PMAQI
25th Jul 2026462 PMAQI
25th Jul 2026293 PMAQI
25th Jul 2026234 PMAQI
25th Jul 2026125 PMAQI
25th Jul 2026106 PMAQI
25th Jul 2026177 PMAQI
25th Jul 2026298 PMAQI
25th Jul 2026339 PMAQI
25th Jul 20264410 PMAQI
25th Jul 20265011 PMAQI
26th Jul 20263812 AMAQI
26th Jul 2026381 AMAQI
26th Jul 2026362 AMAQI
26th Jul 2026293 AMAQI
26th Jul 2026294 AMAQI
26th Jul 2026265 AMAQI

29°C22/36°C

26th Jul 2026386 AMAQI
26th Jul 2026387 AMAQI
26th Jul 2026318 AMAQI
26th Jul 2026329 AMAQI
26th Jul 20262910 AMAQI
26th Jul 20265011 AMAQI
26th Jul 20263812 PMAQI
26th Jul 2026291 PMAQI
26th Jul 2026252 PMAQI
26th Jul 2026293 PMAQI
26th Jul 2026214 PMAQI
26th Jul 2026255 PMAQI
26th Jul 2026256 PMAQI
26th Jul 2026237 PMAQI
26th Jul 2026348 PMAQI
26th Jul 2026429 PMAQI
26th Jul 20264610 PMAQI
26th Jul 20264211 PMAQI
27th Jul 20263312 AMAQI
27th Jul 2026331 AMAQI
27th Jul 2026422 AMAQI
27th Jul 2026383 AMAQI
27th Jul 2026444 AMAQI
27th Jul 2026365 AMAQI

29°C22/36°C

27th Jul 2026336 AMAQI
27th Jul 2026337 AMAQI
27th Jul 2026408 AMAQI
27th Jul 2026389 AMAQI
27th Jul 20264210 AMAQI
27th Jul 20264211 AMAQI
27th Jul 20264012 PMAQI
27th Jul 2026441 PMAQI
27th Jul 2026402 PMAQI
27th Jul 2026363 PMAQI
27th Jul 2026364 PMAQI
27th Jul 2026385 PMAQI
27th Jul 2026366 PMAQI
27th Jul 2026337 PMAQI
27th Jul 2026338 PMAQI
27th Jul 2026319 PMAQI
27th Jul 20262910 PMAQI
27th Jul 20262711 PMAQI
28th Jul 20262912 AMAQI
28th Jul 2026271 AMAQI
28th Jul 2026252 AMAQI
28th Jul 2026233 AMAQI
28th Jul 2026234 AMAQI
28th Jul 2026215 AMAQI

28°C22/35°C

28th Jul 2026216 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026388 AMAQI
28th Jul 2026299 AMAQI
28th Jul 20265210 AMAQI
28th Jul 20264611 AMAQI
28th Jul 20262512 PMAQI
28th Jul 2026211 PMAQI
28th Jul 2026252 PMAQI
28th Jul 2026293 PMAQI
28th Jul 2026254 PMAQI
28th Jul 2026275 PMAQI
28th Jul 2026406 PMAQI
28th Jul 2026257 PMAQI
28th Jul 2026408 PMAQI
28th Jul 2026409 PMAQI
28th Jul 20264410 PMAQI
28th Jul 20263211 PMAQI
29th Jul 20262112 AMAQI
29th Jul 2026231 AMAQI
29th Jul 2026252 AMAQI
29th Jul 2026293 AMAQI
29th Jul 2026294 AMAQI
29th Jul 2026365 AMAQI

27°C21/34°C

29th Jul 2026366 AMAQI
29th Jul 2026337 AMAQI
29th Jul 2026318 AMAQI
29th Jul 2026319 AMAQI
29th Jul 20262910 AMAQI
29th Jul 20262711 AMAQI
29th Jul 20262512 PMAQI
29th Jul 2026271 PMAQI
29th Jul 2026272 PMAQI
29th Jul 2026273 PMAQI
29th Jul 2026274 PMAQI
29th Jul 2026275 PMAQI
29th Jul 2026256 PMAQI
29th Jul 2026257 PMAQI
29th Jul 2026258 PMAQI
29th Jul 2026259 PMAQI
29th Jul 20262510 PMAQI
29th Jul 20262511 PMAQI
30th Jul 20262712 AMAQI
30th Jul 2026291 AMAQI
30th Jul 2026252 AMAQI
30th Jul 2026253 AMAQI
30th Jul 2026254 AMAQI
30th Jul 2026255 AMAQI

27°C21/34°C

30th Jul 2026256 AMAQI
30th Jul 2026257 AMAQI
30th Jul 2026278 AMAQI
30th Jul 2026279 AMAQI
30th Jul 20262910 AMAQI
30th Jul 20262511 AMAQI
30th Jul 20262512 PMAQI
30th Jul 2026271 PMAQI
30th Jul 2026272 PMAQI
30th Jul 2026273 PMAQI
30th Jul 2026234 PMAQI
30th Jul 2026215 PMAQI
30th Jul 2026406 PMAQI
30th Jul 2026427 PMAQI
30th Jul 2026428 PMAQI
30th Jul 2026549 PMAQI
30th Jul 20265410 PMAQI
30th Jul 20264411 PMAQI
31st Jul 20262712 AMAQI
31st Jul 2026271 AMAQI
31st Jul 2026212 AMAQI
31st Jul 2026213 AMAQI
31st Jul 2026294 AMAQI
31st Jul 2026295 AMAQI

27°C22/34°C

31st Jul 2026296 AMAQI
31st Jul 2026337 AMAQI
31st Jul 2026278 AMAQI
31st Jul 2026219 AMAQI
31st Jul 20262310 AMAQI
31st Jul 20262711 AMAQI
31st Jul 20262512 PMAQI
31st Jul 2026251 PMAQI
31st Jul 2026312 PMAQI
31st Jul 2026313 PMAQI
31st Jul 2026294 PMAQI
31st Jul 2026315 PMAQI
31st Jul 2026336 PMAQI
31st Jul 2026367 PMAQI
31st Jul 2026368 PMAQI
31st Jul 2026569 PMAQI
31st Jul 20265610 PMAQI
31st Jul 20264811 PMAQI
1st Aug 20262512 AMAQI
1st Aug 2026211 AMAQI
1st Aug 2026252 AMAQI
1st Aug 2026213 AMAQI
1st Aug 2026234 AMAQI
1st Aug 2026335 AMAQI

27°C22/36°C

1st Aug 2026296 AMAQI
1st Aug 2026257 AMAQI
1st Aug 2026428 AMAQI
1st Aug 2026219 AMAQI
1st Aug 20262110 AMAQI
1st Aug 20262511 AMAQI
1st Aug 20262112 PMAQI
1st Aug 2026271 PMAQI
1st Aug 2026362 PMAQI
1st Aug 2026323 PMAQI
1st Aug 2026404 PMAQI
1st Aug 2026385 PMAQI
1st Aug 2026306 PMAQI
1st Aug 2026217 PMAQI
1st Aug 2026218 PMAQI
1st Aug 2026329 PMAQI
1st Aug 20265410 PMAQI
1st Aug 20263811 PMAQI
2nd Aug 20262712 AMAQI
2nd Aug 2026271 AMAQI
2nd Aug 2026362 AMAQI
2nd Aug 2026463 AMAQI
2nd Aug 2026424 AMAQI
2nd Aug 2026385 AMAQI

28°C22/35°C

2nd Aug 2026426 AMAQI
2nd Aug 2026367 AMAQI
2nd Aug 2026368 AMAQI
2nd Aug 2026239 AMAQI
2nd Aug 20262410 AMAQI
2nd Aug 20262511 AMAQI
2nd Aug 20262912 PMAQI
2nd Aug 2026251 PMAQI
2nd Aug 2026292 PMAQI
2nd Aug 2026273 PMAQI
2nd Aug 2026294 PMAQI
2nd Aug 2026295 PMAQI
2nd Aug 2026236 PMAQI
2nd Aug 2026217 PMAQI
2nd Aug 2026238 PMAQI
2nd Aug 2026259 PMAQI
2nd Aug 20262310 PMAQI
2nd Aug 20262111 PMAQI
3rd Aug 20262212 AMAQI
3rd Aug 2026311 AMAQI
3rd Aug 2026252 AMAQI
3rd Aug 2026253 AMAQI
3rd Aug 2026234 AMAQI
3rd Aug 2026295 AMAQI

27°C22/33°C

3rd Aug 2026316 AMAQI
3rd Aug 2026257 AMAQI
3rd Aug 2026258 AMAQI
3rd Aug 2026259 AMAQI
3rd Aug 20262710 AMAQI
3rd Aug 20262911 AMAQI
3rd Aug 20262912 PMAQI
3rd Aug 2026291 PMAQI
3rd Aug 2026212 PMAQI
3rd Aug 2026233 PMAQI
3rd Aug 2026224 PMAQI
3rd Aug 2026225 PMAQI
3rd Aug 2026226 PMAQI
3rd Aug 2026217 PMAQI
3rd Aug 2026258 PMAQI
3rd Aug 2026219 PMAQI
3rd Aug 20262910 PMAQI
3rd Aug 20262511 PMAQI
4th Aug 20262512 AMAQI
4th Aug 2026271 AMAQI
4th Aug 2026252 AMAQI
4th Aug 2026273 AMAQI
4th Aug 2026334 AMAQI
4th Aug 2026315 AMAQI

24°C23/25°C

4th Aug 2026366 AMAQI
4th Aug 2026317 AMAQI
4th Aug 2026298 AMAQI
4th Aug 2026279 AMAQI
4th Aug 20262510 AMAQI
4th Aug 20262711 AMAQI
4th Aug 20262112 PMAQI
4th Aug 2026291 PMAQI
4th Aug 2026252 PMAQI
4th Aug 2026383 PMAQI
4th Aug 2026324 PMAQI
4th Aug 2026255 PMAQI
4th Aug 2026276 PMAQI
4th Aug 2026277 PMAQI
4th Aug 2026278 PMAQI
4th Aug 2026259 PMAQI
4th Aug 20262510 PMAQI
4th Aug 20262511 PMAQI
5th Aug 20262712 AMAQI
5th Aug 2026341 AMAQI
5th Aug 2026312 AMAQI
5th Aug 2026273 AMAQI
5th Aug 2026254 AMAQI
5th Aug 2026335 AMAQI

24°C20/28°C

5th Aug 2026256 AMAQI
5th Aug 2026217 AMAQI
5th Aug 2026218 AMAQI
5th Aug 2026329 AMAQI
5th Aug 20262710 AMAQI
5th Aug 20263111 AMAQI
5th Aug 20262512 PMAQI
5th Aug 2026291 PMAQI
5th Aug 2026502 PMAQI
5th Aug 2026293 PMAQI
5th Aug 2026294 PMAQI
5th Aug 2026295 PMAQI
5th Aug 2026256 PMAQI
5th Aug 2026277 PMAQI
5th Aug 2026318 PMAQI
5th Aug 2026339 PMAQI
5th Aug 20262910 PMAQI
5th Aug 20262711 PMAQI
6th Aug 20263412 AMAQI
6th Aug 2026341 AMAQI
6th Aug 2026322 AMAQI
6th Aug 2026293 AMAQI
6th Aug 2026294 AMAQI
6th Aug 2026385 AMAQI

25°C20/31°C

6th Aug 2026506 AMAQI
6th Aug 2026257 AMAQI
6th Aug 2026258 AMAQI
6th Aug 2026299 AMAQI
6th Aug 20262910 AMAQI
6th Aug 20263311 AMAQI
6th Aug 20262912 PMAQI
6th Aug 2026541 PMAQI
6th Aug 2026382 PMAQI
6th Aug 2026213 PMAQI
6th Aug 2026214 PMAQI
6th Aug 2026215 PMAQI
6th Aug 2026506 PMAQI
6th Aug 2026517 PMAQI
6th Aug 2026388 PMAQI
6th Aug 2026239 PMAQI
6th Aug 20263310 PMAQI
6th Aug 20262511 PMAQI
7th Aug 20263812 AMAQI
7th Aug 2026361 AMAQI
7th Aug 2026502 AMAQI
7th Aug 2026503 AMAQI
7th Aug 2026384 AMAQI
7th Aug 2026275 AMAQI

26°C20/32°C

7th Aug 2026296 AMAQI
7th Aug 2026277 AMAQI
7th Aug 2026338 AMAQI
7th Aug 2026339 AMAQI
7th Aug 20263310 AMAQI
7th Aug 20262711 AMAQI
7th Aug 20264212 PMAQI
7th Aug 2026291 PMAQI
7th Aug 2026252 PMAQI
7th Aug 2026403 PMAQI
7th Aug 2026484 PMAQI
7th Aug 2026425 PMAQI
7th Aug 2026296 PMAQI
7th Aug 2026277 PMAQI
7th Aug 2026278 PMAQI
7th Aug 2026319 PMAQI
7th Aug 20262910 PMAQI
7th Aug 20263311 PMAQI
8th Aug 20264012 AMAQI
8th Aug 2026361 AMAQI
8th Aug 2026382 AMAQI
8th Aug 2026363 AMAQI
8th Aug 2026314 AMAQI
8th Aug 2026275 AMAQI

26°C20/32°C

8th Aug 2026256 AMAQI
8th Aug 2026257 AMAQI
8th Aug 2026258 AMAQI
8th Aug 2026259 AMAQI
8th Aug 20262910 AMAQI
8th Aug 20262511 AMAQI
8th Aug 20262512 PMAQI
8th Aug 2026251 PMAQI
8th Aug 2026442 PMAQI
8th Aug 2026513 PMAQI
8th Aug 2026534 PMAQI
8th Aug 2026535 PMAQI
8th Aug 2026556 PMAQI
8th Aug 2026557 PMAQI
8th Aug 2026648 PMAQI
8th Aug 2026539 PMAQI
8th Aug 20263610 PMAQI
8th Aug 20262511 PMAQI
9th Aug 20264212 AMAQI
9th Aug 2026221 AMAQI
9th Aug 2026242 AMAQI
9th Aug 2026253 AMAQI
9th Aug 2026544 AMAQI
9th Aug 2026555 AMAQI

26°C21/32°C

9th Aug 2026426 AMAQI
6 AM
9th Aug 2026267 AMAQI
9th Aug 2026318 AMAQI
9th Aug 2026719 AMAQI
9th Aug 20265210 AMAQI
9th Aug 20262111 AMAQI
9th Aug 20262112 PMAQI
12 PM
9th Aug 2026251 PMAQI
9th Aug 2026362 PMAQI
9th Aug 2026513 PMAQI
9th Aug 2026464 PMAQI
9th Aug 2026425 PMAQI
9th Aug 2026486 PMAQI
9th Aug 2026507 PMAQI
7 PM
9th Aug 2026528 PMAQI
9th Aug 2026569 PMAQI
9th Aug 20265810 PMAQI
9th Aug 20264411 PMAQI
12 AM
5 AM

26°C22/33°C

Day time
Avg. Highest Time
6 PM - 7 PM

40AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
9 AM - 1 PM

36AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 PM to 7 PM (Avg. 40), while the lowest AQI was between 9 AM to 1 PM (Avg. 36).
Night time
Avg. Highest Time
10 PM

46AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
1 AM - 5 AM

39AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 10 PM (Avg. 46), while the lowest AQI was between 1 AM to 5 AM (Avg. 39).

2026 Days Vs Air Quality

Baian Dam, Sanzhou, Chongqing, China

2026

39%

86

43%

95

12%

27

6%

13

Total number of days with different AQI categories in last 221 days in 2026 (144 days remaining)

Good
86 Days
Moderate
95 Days
Poor
27 Days
Unhealthy
13 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 39%

Health Risk Level:

High

In 2026, 39% of 221 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

Baian Dam, Sanzhou, Chongqing, 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
52AQI (US)
2nd January 2026
77AQI (US)
3rd January 2026
99AQI (US)
4th January 2026
123AQI (US)
5th January 2026
133AQI (US)
6th January 2026
124AQI (US)
7th January 2026
136AQI (US)
8th January 2026
158AQI (US)
9th January 2026
151AQI (US)
10th January 2026
160AQI (US)
11th January 2026
167AQI (US)
12th January 2026
178AQI (US)
13th January 2026
173AQI (US)
14th January 2026
172AQI (US)
15th January 2026
179AQI (US)
16th January 2026
172AQI (US)
17th January 2026
180AQI (US)
18th January 2026
181AQI (US)
19th January 2026
115AQI (US)
20th January 2026
62AQI (US)
21st January 2026
97AQI (US)
22nd January 2026
116AQI (US)
23rd January 2026
132AQI (US)
24th January 2026
121AQI (US)
25th January 2026
112AQI (US)
26th January 2026
115AQI (US)
27th January 2026
98AQI (US)
28th January 2026
83AQI (US)
29th January 2026
67AQI (US)
30th January 2026
32AQI (US)
31st January 2026
53AQI (US)
1st February 2026
79AQI (US)
2nd February 2026
121AQI (US)
3rd February 2026
138AQI (US)
4th February 2026
148AQI (US)
5th February 2026
158AQI (US)
6th February 2026
152AQI (US)
7th February 2026
134AQI (US)
8th February 2026
115AQI (US)
9th February 2026
82AQI (US)
10th February 2026
88AQI (US)
11th February 2026
106AQI (US)
12th February 2026
107AQI (US)
13th February 2026
143AQI (US)
14th February 2026
140AQI (US)
15th February 2026
114AQI (US)
16th February 2026
63AQI (US)
17th February 2026
96AQI (US)
18th February 2026
117AQI (US)
19th February 2026
124AQI (US)
20th February 2026
119AQI (US)
21st February 2026
104AQI (US)
22nd February 2026
120AQI (US)
23rd February 2026
93AQI (US)
24th February 2026
43AQI (US)
25th February 2026
48AQI (US)
26th February 2026
62AQI (US)
27th February 2026
31AQI (US)
28th February 2026
23AQI (US)
1st March 2026
28AQI (US)
2nd March 2026
62AQI (US)
3rd March 2026
29AQI (US)
4th March 2026
67AQI (US)
5th March 2026
72AQI (US)
6th March 2026
62AQI (US)
7th March 2026
78AQI (US)
8th March 2026
30AQI (US)
9th March 2026
40AQI (US)
10th March 2026
52AQI (US)
11th March 2026
66AQI (US)
12th March 2026
87AQI (US)
13th March 2026
83AQI (US)
14th March 2026
97AQI (US)
15th March 2026
28AQI (US)
16th March 2026
19AQI (US)
17th March 2026
49AQI (US)
18th March 2026
55AQI (US)
19th March 2026
62AQI (US)
20th March 2026
61AQI (US)
21st March 2026
65AQI (US)
22nd March 2026
76AQI (US)
23rd March 2026
73AQI (US)
24th March 2026
33AQI (US)
25th March 2026
36AQI (US)
26th March 2026
56AQI (US)
27th March 2026
54AQI (US)
28th March 2026
63AQI (US)
29th March 2026
60AQI (US)
30th March 2026
26AQI (US)
31st March 2026
30AQI (US)
1st April 2026
52AQI (US)
2nd April 2026
47AQI (US)
3rd April 2026
55AQI (US)
4th April 2026
70AQI (US)
5th April 2026
86AQI (US)
6th April 2026
96AQI (US)
7th April 2026
60AQI (US)
8th April 2026
42AQI (US)
9th April 2026
72AQI (US)
10th April 2026
57AQI (US)
11th April 2026
43AQI (US)
12th April 2026
56AQI (US)
13th April 2026
57AQI (US)
14th April 2026
41AQI (US)
15th April 2026
47AQI (US)
16th April 2026
55AQI (US)
17th April 2026
62AQI (US)
18th April 2026
58AQI (US)
19th April 2026
72AQI (US)
20th April 2026
98AQI (US)
21st April 2026
49AQI (US)
22nd April 2026
29AQI (US)
23rd April 2026
36AQI (US)
24th April 2026
58AQI (US)
25th April 2026
84AQI (US)
26th April 2026
103AQI (US)
27th April 2026
74AQI (US)
28th April 2026
38AQI (US)
29th April 2026
36AQI (US)
30th April 2026
58AQI (US)
1st May 2026
60AQI (US)
2nd May 2026
25AQI (US)
3rd May 2026
54AQI (US)
4th May 2026
90AQI (US)
5th May 2026
68AQI (US)
6th May 2026
72AQI (US)
7th May 2026
41AQI (US)
8th May 2026
45AQI (US)
9th May 2026
58AQI (US)
10th May 2026
71AQI (US)
11th May 2026
98AQI (US)
12th May 2026
137AQI (US)
13th May 2026
60AQI (US)
14th May 2026
77AQI (US)
15th May 2026
83AQI (US)
16th May 2026
76AQI (US)
17th May 2026
75AQI (US)
18th May 2026
70AQI (US)
19th May 2026
68AQI (US)
20th May 2026
80AQI (US)
21st May 2026
85AQI (US)
22nd May 2026
96AQI (US)
23rd May 2026
79AQI (US)
24th May 2026
79AQI (US)
25th May 2026
81AQI (US)
26th May 2026
49AQI (US)
27th May 2026
11AQI (US)
28th May 2026
18AQI (US)
29th May 2026
25AQI (US)
30th May 2026
27AQI (US)
31st May 2026
32AQI (US)
1st June 2026
48AQI (US)
2nd June 2026
50AQI (US)
3rd June 2026
82AQI (US)
4th June 2026
77AQI (US)
5th June 2026
90AQI (US)
6th June 2026
66AQI (US)
7th June 2026
61AQI (US)
8th June 2026
19AQI (US)
9th June 2026
33AQI (US)
10th June 2026
59AQI (US)
11th June 2026
72AQI (US)
12th June 2026
38AQI (US)
13th June 2026
40AQI (US)
14th June 2026
61AQI (US)
15th June 2026
65AQI (US)
16th June 2026
71AQI (US)
17th June 2026
72AQI (US)
18th June 2026
48AQI (US)
19th June 2026
23AQI (US)
20th June 2026
27AQI (US)
21st June 2026
23AQI (US)
22nd June 2026
15AQI (US)
23rd June 2026
23AQI (US)
24th June 2026
24AQI (US)
25th June 2026
31AQI (US)
26th June 2026
39AQI (US)
27th June 2026
42AQI (US)
28th June 2026
52AQI (US)
29th June 2026
66AQI (US)
30th June 2026
35AQI (US)
1st July 2026
48AQI (US)
2nd July 2026
42AQI (US)
3rd July 2026
25AQI (US)
4th July 2026
33AQI (US)
5th July 2026
25AQI (US)
6th July 2026
30AQI (US)
7th July 2026
36AQI (US)
8th July 2026
34AQI (US)
9th July 2026
40AQI (US)
10th July 2026
31AQI (US)
11th July 2026
30AQI (US)
12th July 2026
32AQI (US)
13th July 2026
41AQI (US)
14th July 2026
47AQI (US)
15th July 2026
47AQI (US)
16th July 2026
52AQI (US)
17th July 2026
33AQI (US)
18th July 2026
28AQI (US)
19th July 2026
37AQI (US)
20th July 2026
54AQI (US)
21st July 2026
73AQI (US)
22nd July 2026
65AQI (US)
23rd July 2026
55AQI (US)
24th July 2026
54AQI (US)
25th July 2026
42AQI (US)
26th July 2026
33AQI (US)
27th July 2026
37AQI (US)
28th July 2026
30AQI (US)
29th July 2026
28AQI (US)
30th July 2026
31AQI (US)
31st July 2026
31AQI (US)
1st August 2026
29AQI (US)
2nd August 2026
29AQI (US)
3rd August 2026
25AQI (US)
4th August 2026
28AQI (US)
5th August 2026
29AQI (US)
6th August 2026
33AQI (US)
7th August 2026
34AQI (US)
8th August 2026
38AQI (US)
9th August 2026
41AQI (US)
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
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

123AQI (US)

102AQI (US)

55AQI (US)

60AQI (US)

64AQI (US)

48AQI (US)

39AQI (US)

32AQI (US)

No. of days

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

202668AQI (US)

1
9
10
11
4
7
15
2
11
20
10
19
1
9
21
1
17
13
25
6
9
86
95
27
13

Highest AQI (US) recorded in

January

123AQI (US)

Lowest AQI (US) recorded in

August

32AQI (US)

202587AQI (US)

2
17
12
16
12
20
11
14
13
3
25
6
7
23
12
19
19
12
18
12
11
19
1
2
17
10
1
8
8
15
69
187
78
31

Highest AQI (US) recorded in

January

145AQI (US)

Lowest AQI (US) recorded in

September

49AQI (US)

202489AQI (US)

10
13
8
17
11
1
11
18
2
30
1
28
2
5
25
17
14
29
2
1
26
3
3
19
9
1
19
10
6
15
10
28
234
83
21

Highest AQI (US) recorded in

December

132AQI (US)

Lowest AQI (US) recorded in

July

51AQI (US)

202390AQI (US)

3
8
18
1
7
15
6
5
17
7
2
4
22
4
1
23
7
4
24
2
8
23
9
22
11
14
5
5
20
6
17
9
3
1
8
13
9
48
200
76
38
1

Highest AQI (US) recorded in

January

154AQI (US)

Lowest AQI (US) recorded in

July

58AQI (US)

202283AQI (US)

3
11
14
2
1
18
2
2
4
18
9
7
20
3
8
23
16
14
12
12
1
6
13
10
4
16
8
3
3
16
11
4
12
14
1
65
165
69
21
1

Highest AQI (US) recorded in

December

142AQI (US)

Lowest AQI (US) recorded in

August

38AQI (US)

202188AQI (US)

2
17
12
8
13
7
1
26
4
5
23
2
3
23
5
7
18
5
14
17
18
12
1
5
24
1
8
20
3
13
12
5
6
15
10
61
192
78
34

Highest AQI (US) recorded in

January

142AQI (US)

Lowest AQI (US) recorded in

August

49AQI (US)

202077AQI (US)

1
4
8
1
11
8
1
1
14
3
16
14
22
9
14
16
1
9
19
1
1
8
14
8
1
16
11
3
10
14
5
2
72
127
54
11
2

Highest AQI (US) recorded in

December

121AQI (US)

Lowest AQI (US) recorded in

July

46AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2023(Avg.)
90AQI (US)
Least Polluted Year Recorded
2026(Avg.)
68AQI (US)

Baian Dam's annual 2026 AQI (US) (68) shows an average percentage change of -20.3% (improved AQI (US)) compared to previous years: 2020 (77), 2021 (88), 2022 (83), 2023 (90), 2024 (89), 2025 (87).