Zhongxian Middle School, 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
Zhongxian Middle School, Sanzhou, Chongqing, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
22nd Aug 2021
115AQILowest AQI recorded on
27th Aug 2023
22AQISame Day Analysis (5th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 61 of Moderate air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Zhongxian Middle School, Sanzhou, Chongqing, China
AQI
Day
Night
.
6 AM6th Aug 2025
7 PM
5 AM7th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
6AM6th Aug
64AQI
Avg. Lowest Time
4PM6th Aug
38AQI
In the last 24 hours,
Zhongxian Middle School's AQI reached its highest point of 64 at 6 AM during the Night, while the lowest point, 38, was recorded at 4 PM during the Night between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Zhongxian Middle School, Sanzhou, Chongqing, China
JulAug
08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th
Day
Night
8th Jul 2025506 AMAQI
8th Jul 2025527 AMAQI
8th Jul 2025418 AMAQI
8th Jul 2025369 AMAQI
8th Jul 20254010 AMAQI
8th Jul 20253911 AMAQI
8th Jul 20254112 PMAQI
8th Jul 2025461 PMAQI
8th Jul 2025482 PMAQI
8th Jul 2025443 PMAQI
8th Jul 2025444 PMAQI
8th Jul 2025485 PMAQI
8th Jul 2025416 PMAQI
8th Jul 2025457 PMAQI
8th Jul 2025518 PMAQI
8th Jul 2025549 PMAQI
8th Jul 20255310 PMAQI
8th Jul 20255311 PMAQI
9th Jul 20255212 AMAQI
9th Jul 2025521 AMAQI
9th Jul 2025522 AMAQI
9th Jul 2025523 AMAQI
9th Jul 2025524 AMAQI
9th Jul 2025525 AMAQI
25°C20/32°C
9th Jul 2025526 AMAQI
9th Jul 2025527 AMAQI
9th Jul 2025458 AMAQI
9th Jul 2025489 AMAQI
9th Jul 20255010 AMAQI
9th Jul 20255211 AMAQI
9th Jul 20254912 PMAQI
9th Jul 2025521 PMAQI
9th Jul 2025462 PMAQI
9th Jul 2025433 PMAQI
9th Jul 2025454 PMAQI
9th Jul 2025425 PMAQI
9th Jul 2025436 PMAQI
9th Jul 2025507 PMAQI
9th Jul 2025548 PMAQI
9th Jul 2025549 PMAQI
9th Jul 20255410 PMAQI
9th Jul 20255411 PMAQI
10th Jul 20255412 AMAQI
10th Jul 2025551 AMAQI
10th Jul 2025542 AMAQI
10th Jul 2025543 AMAQI
10th Jul 2025534 AMAQI
10th Jul 2025535 AMAQI
24°C20/31°C
10th Jul 2025536 AMAQI
10th Jul 2025537 AMAQI
10th Jul 2025518 AMAQI
10th Jul 2025469 AMAQI
10th Jul 20255310 AMAQI
10th Jul 20254411 AMAQI
10th Jul 20254812 PMAQI
10th Jul 2025441 PMAQI
10th Jul 2025442 PMAQI
10th Jul 2025423 PMAQI
10th Jul 2025424 PMAQI
10th Jul 2025445 PMAQI
10th Jul 2025466 PMAQI
10th Jul 2025527 PMAQI
10th Jul 2025558 PMAQI
10th Jul 2025559 PMAQI
10th Jul 20255510 PMAQI
10th Jul 20255411 PMAQI
11th Jul 20255412 AMAQI
11th Jul 2025541 AMAQI
11th Jul 2025532 AMAQI
11th Jul 2025533 AMAQI
11th Jul 2025544 AMAQI
11th Jul 2025535 AMAQI
25°C20/32°C
11th Jul 2025546 AMAQI
11th Jul 2025547 AMAQI
11th Jul 2025528 AMAQI
11th Jul 2025419 AMAQI
11th Jul 20253910 AMAQI
11th Jul 20254211 AMAQI
11th Jul 20254512 PMAQI
11th Jul 2025431 PMAQI
11th Jul 2025422 PMAQI
11th Jul 2025503 PMAQI
11th Jul 2025464 PMAQI
11th Jul 2025405 PMAQI
11th Jul 2025456 PMAQI
11th Jul 2025487 PMAQI
11th Jul 2025558 PMAQI
11th Jul 2025569 PMAQI
11th Jul 20255710 PMAQI
11th Jul 20255611 PMAQI
12th Jul 20255512 AMAQI
12th Jul 2025541 AMAQI
12th Jul 2025542 AMAQI
12th Jul 2025533 AMAQI
12th Jul 2025534 AMAQI
12th Jul 2025525 AMAQI
26°C19/33°C
12th Jul 2025536 AMAQI
12th Jul 2025537 AMAQI
12th Jul 2025568 AMAQI
12th Jul 2025559 AMAQI
12th Jul 20255710 AMAQI
12th Jul 20255911 AMAQI
12th Jul 20255512 PMAQI
12th Jul 2025541 PMAQI
12th Jul 2025562 PMAQI
12th Jul 2025563 PMAQI
12th Jul 2025564 PMAQI
12th Jul 2025565 PMAQI
12th Jul 2025576 PMAQI
12th Jul 2025577 PMAQI
12th Jul 2025578 PMAQI
12th Jul 2025589 PMAQI
12th Jul 20255810 PMAQI
12th Jul 20255911 PMAQI
13th Jul 20255912 AMAQI
13th Jul 2025551 AMAQI
13th Jul 2025552 AMAQI
13th Jul 2025553 AMAQI
13th Jul 2025554 AMAQI
13th Jul 2025545 AMAQI
27°C20/34°C
13th Jul 2025546 AMAQI
13th Jul 2025547 AMAQI
13th Jul 2025588 AMAQI
13th Jul 2025629 AMAQI
13th Jul 20256410 AMAQI
13th Jul 20256411 AMAQI
13th Jul 20256112 PMAQI
13th Jul 2025621 PMAQI
13th Jul 2025592 PMAQI
13th Jul 2025563 PMAQI
13th Jul 2025564 PMAQI
13th Jul 2025545 PMAQI
13th Jul 2025546 PMAQI
13th Jul 2025567 PMAQI
13th Jul 2025588 PMAQI
13th Jul 2025599 PMAQI
13th Jul 20255910 PMAQI
13th Jul 20256011 PMAQI
14th Jul 20256012 AMAQI
14th Jul 2025571 AMAQI
14th Jul 2025572 AMAQI
14th Jul 2025573 AMAQI
14th Jul 2025584 AMAQI
14th Jul 2025595 AMAQI
27°C21/34°C
14th Jul 2025586 AMAQI
14th Jul 2025587 AMAQI
14th Jul 2025638 AMAQI
14th Jul 2025669 AMAQI
14th Jul 20256010 AMAQI
14th Jul 20255711 AMAQI
14th Jul 20255812 PMAQI
14th Jul 2025581 PMAQI
14th Jul 2025562 PMAQI
14th Jul 2025563 PMAQI
14th Jul 2025564 PMAQI
14th Jul 2025585 PMAQI
14th Jul 2025546 PMAQI
14th Jul 2025567 PMAQI
14th Jul 2025598 PMAQI
14th Jul 2025609 PMAQI
14th Jul 20256210 PMAQI
14th Jul 20256211 PMAQI
15th Jul 20256112 AMAQI
15th Jul 2025601 AMAQI
15th Jul 2025602 AMAQI
15th Jul 2025603 AMAQI
15th Jul 2025604 AMAQI
15th Jul 2025605 AMAQI
27°C20/35°C
15th Jul 2025606 AMAQI
15th Jul 2025607 AMAQI
15th Jul 2025648 AMAQI
15th Jul 2025669 AMAQI
15th Jul 20256710 AMAQI
15th Jul 20256511 AMAQI
15th Jul 20256212 PMAQI
15th Jul 2025601 PMAQI
15th Jul 2025612 PMAQI
15th Jul 2025543 PMAQI
15th Jul 2025564 PMAQI
15th Jul 2025565 PMAQI
15th Jul 2025556 PMAQI
15th Jul 2025577 PMAQI
15th Jul 2025598 PMAQI
15th Jul 2025619 PMAQI
15th Jul 20256210 PMAQI
15th Jul 20256111 PMAQI
16th Jul 20256012 AMAQI
16th Jul 2025611 AMAQI
16th Jul 2025602 AMAQI
16th Jul 2025603 AMAQI
16th Jul 2025614 AMAQI
16th Jul 2025615 AMAQI
29°C21/36°C
16th Jul 2025616 AMAQI
16th Jul 2025607 AMAQI
16th Jul 2025588 AMAQI
16th Jul 2025579 AMAQI
16th Jul 20255410 AMAQI
16th Jul 20255511 AMAQI
16th Jul 20255712 PMAQI
16th Jul 2025581 PMAQI
16th Jul 2025582 PMAQI
16th Jul 2025583 PMAQI
16th Jul 2025564 PMAQI
16th Jul 2025565 PMAQI
16th Jul 2025576 PMAQI
16th Jul 2025577 PMAQI
16th Jul 2025618 PMAQI
16th Jul 2025619 PMAQI
16th Jul 20256310 PMAQI
16th Jul 20256311 PMAQI
17th Jul 20256212 AMAQI
17th Jul 2025611 AMAQI
17th Jul 2025612 AMAQI
17th Jul 2025613 AMAQI
17th Jul 2025604 AMAQI
17th Jul 2025605 AMAQI
31°C25/37°C
17th Jul 2025606 AMAQI
17th Jul 2025607 AMAQI
17th Jul 2025658 AMAQI
17th Jul 2025659 AMAQI
17th Jul 20256210 AMAQI
17th Jul 20256411 AMAQI
17th Jul 20256012 PMAQI
17th Jul 2025591 PMAQI
17th Jul 2025562 PMAQI
17th Jul 2025563 PMAQI
17th Jul 2025624 PMAQI
17th Jul 2025645 PMAQI
17th Jul 2025546 PMAQI
17th Jul 2025567 PMAQI
17th Jul 2025608 PMAQI
17th Jul 2025609 PMAQI
17th Jul 20256010 PMAQI
17th Jul 20256011 PMAQI
18th Jul 20256012 AMAQI
18th Jul 2025611 AMAQI
18th Jul 2025612 AMAQI
18th Jul 2025613 AMAQI
18th Jul 2025604 AMAQI
18th Jul 2025615 AMAQI
29°C22/37°C
18th Jul 2025606 AMAQI
18th Jul 2025607 AMAQI
18th Jul 2025438 AMAQI
18th Jul 2025409 AMAQI
18th Jul 20254110 AMAQI
18th Jul 20254811 AMAQI
18th Jul 20255212 PMAQI
18th Jul 2025521 PMAQI
18th Jul 2025522 PMAQI
18th Jul 2025503 PMAQI
18th Jul 2025524 PMAQI
18th Jul 2025535 PMAQI
18th Jul 2025556 PMAQI
18th Jul 2025557 PMAQI
18th Jul 2025608 PMAQI
18th Jul 2025589 PMAQI
18th Jul 20255710 PMAQI
18th Jul 20255911 PMAQI
19th Jul 20255812 AMAQI
19th Jul 2025601 AMAQI
19th Jul 2025602 AMAQI
19th Jul 2025603 AMAQI
19th Jul 2025594 AMAQI
19th Jul 2025595 AMAQI
28°C21/36°C
19th Jul 2025586 AMAQI
19th Jul 2025597 AMAQI
19th Jul 2025448 AMAQI
19th Jul 2025389 AMAQI
19th Jul 20254010 AMAQI
19th Jul 20254311 AMAQI
19th Jul 20254612 PMAQI
19th Jul 2025461 PMAQI
19th Jul 2025492 PMAQI
19th Jul 2025473 PMAQI
19th Jul 2025524 PMAQI
19th Jul 2025545 PMAQI
19th Jul 2025536 PMAQI
19th Jul 2025577 PMAQI
19th Jul 2025588 PMAQI
19th Jul 2025599 PMAQI
19th Jul 20256210 PMAQI
19th Jul 20256011 PMAQI
20th Jul 20256012 AMAQI
20th Jul 2025601 AMAQI
20th Jul 2025592 AMAQI
20th Jul 2025593 AMAQI
20th Jul 2025574 AMAQI
20th Jul 2025575 AMAQI
28°C22/35°C
20th Jul 2025586 AMAQI
20th Jul 2025577 AMAQI
20th Jul 2025548 AMAQI
20th Jul 2025559 AMAQI
20th Jul 20254710 AMAQI
20th Jul 20254311 AMAQI
20th Jul 20255412 PMAQI
20th Jul 2025481 PMAQI
20th Jul 2025522 PMAQI
20th Jul 2025523 PMAQI
20th Jul 2025514 PMAQI
20th Jul 2025505 PMAQI
20th Jul 2025486 PMAQI
20th Jul 2025507 PMAQI
20th Jul 2025558 PMAQI
20th Jul 2025569 PMAQI
20th Jul 20255810 PMAQI
20th Jul 20255611 PMAQI
21st Jul 20255712 AMAQI
21st Jul 2025591 AMAQI
21st Jul 2025582 AMAQI
21st Jul 2025583 AMAQI
21st Jul 2025564 AMAQI
21st Jul 2025565 AMAQI
29°C21/35°C
21st Jul 2025566 AMAQI
21st Jul 2025567 AMAQI
21st Jul 2025488 AMAQI
21st Jul 2025489 AMAQI
21st Jul 20254410 AMAQI
21st Jul 20253911 AMAQI
21st Jul 20253612 PMAQI
21st Jul 2025431 PMAQI
21st Jul 2025422 PMAQI
21st Jul 2025423 PMAQI
21st Jul 2025384 PMAQI
21st Jul 2025375 PMAQI
21st Jul 2025346 PMAQI
21st Jul 2025467 PMAQI
21st Jul 2025548 PMAQI
21st Jul 2025569 PMAQI
21st Jul 20255410 PMAQI
21st Jul 20255311 PMAQI
22nd Jul 20255412 AMAQI
22nd Jul 2025551 AMAQI
22nd Jul 2025582 AMAQI
22nd Jul 2025583 AMAQI
22nd Jul 2025564 AMAQI
22nd Jul 2025565 AMAQI
26°C21/33°C
22nd Jul 2025566 AMAQI
22nd Jul 2025577 AMAQI
22nd Jul 2025388 AMAQI
22nd Jul 2025299 AMAQI
22nd Jul 20253810 AMAQI
22nd Jul 20253311 AMAQI
22nd Jul 20253312 PMAQI
22nd Jul 2025321 PMAQI
22nd Jul 2025292 PMAQI
22nd Jul 2025263 PMAQI
22nd Jul 2025224 PMAQI
22nd Jul 2025225 PMAQI
22nd Jul 2025206 PMAQI
22nd Jul 2025317 PMAQI
22nd Jul 2025478 PMAQI
22nd Jul 2025489 PMAQI
22nd Jul 20255010 PMAQI
22nd Jul 20254911 PMAQI
23rd Jul 20254912 AMAQI
23rd Jul 2025561 AMAQI
23rd Jul 2025572 AMAQI
23rd Jul 2025563 AMAQI
23rd Jul 2025544 AMAQI
23rd Jul 2025545 AMAQI
27°C21/34°C
23rd Jul 2025546 AMAQI
23rd Jul 2025547 AMAQI
23rd Jul 2025328 AMAQI
23rd Jul 2025229 AMAQI
23rd Jul 20252110 AMAQI
23rd Jul 20252311 AMAQI
23rd Jul 20252512 PMAQI
23rd Jul 2025251 PMAQI
23rd Jul 2025262 PMAQI
23rd Jul 2025263 PMAQI
23rd Jul 2025244 PMAQI
23rd Jul 2025265 PMAQI
23rd Jul 2025266 PMAQI
23rd Jul 2025367 PMAQI
23rd Jul 2025488 PMAQI
23rd Jul 2025479 PMAQI
23rd Jul 20254910 PMAQI
23rd Jul 20254911 PMAQI
24th Jul 20255012 AMAQI
24th Jul 2025521 AMAQI
24th Jul 2025542 AMAQI
24th Jul 2025533 AMAQI
24th Jul 2025514 AMAQI
24th Jul 2025525 AMAQI
26°C21/31°C
24th Jul 2025526 AMAQI
24th Jul 2025527 AMAQI
24th Jul 2025318 AMAQI
24th Jul 2025249 AMAQI
24th Jul 20252510 AMAQI
24th Jul 20252611 AMAQI
24th Jul 20253012 PMAQI
24th Jul 2025301 PMAQI
24th Jul 2025302 PMAQI
24th Jul 2025283 PMAQI
24th Jul 2025264 PMAQI
24th Jul 2025265 PMAQI
24th Jul 2025236 PMAQI
24th Jul 2025317 PMAQI
24th Jul 2025418 PMAQI
24th Jul 2025459 PMAQI
24th Jul 20254510 PMAQI
24th Jul 20254311 PMAQI
25th Jul 20254612 AMAQI
25th Jul 2025511 AMAQI
25th Jul 2025522 AMAQI
25th Jul 2025503 AMAQI
25th Jul 2025474 AMAQI
25th Jul 2025465 AMAQI
25°C21/31°C
25th Jul 2025466 AMAQI
25th Jul 2025467 AMAQI
25th Jul 2025348 AMAQI
25th Jul 2025269 AMAQI
25th Jul 20253210 AMAQI
25th Jul 20253311 AMAQI
25th Jul 20253212 PMAQI
25th Jul 2025311 PMAQI
25th Jul 2025302 PMAQI
25th Jul 2025243 PMAQI
25th Jul 2025264 PMAQI
25th Jul 2025255 PMAQI
25th Jul 2025266 PMAQI
25th Jul 2025327 PMAQI
25th Jul 2025428 PMAQI
25th Jul 2025459 PMAQI
25th Jul 20254910 PMAQI
25th Jul 20255011 PMAQI
26th Jul 20254412 AMAQI
26th Jul 2025481 AMAQI
26th Jul 2025482 AMAQI
26th Jul 2025483 AMAQI
26th Jul 2025464 AMAQI
26th Jul 2025455 AMAQI
28°C21/35°C
26th Jul 2025466 AMAQI
26th Jul 2025467 AMAQI
26th Jul 2025368 AMAQI
26th Jul 2025339 AMAQI
26th Jul 20253610 AMAQI
26th Jul 20253111 AMAQI
26th Jul 20253912 PMAQI
26th Jul 2025361 PMAQI
26th Jul 2025322 PMAQI
26th Jul 2025293 PMAQI
26th Jul 2025304 PMAQI
26th Jul 2025325 PMAQI
26th Jul 2025326 PMAQI
26th Jul 2025347 PMAQI
26th Jul 2025428 PMAQI
26th Jul 2025469 PMAQI
26th Jul 20255010 PMAQI
26th Jul 20254611 PMAQI
27th Jul 20254812 AMAQI
27th Jul 2025481 AMAQI
27th Jul 2025492 AMAQI
27th Jul 2025483 AMAQI
27th Jul 2025474 AMAQI
27th Jul 2025465 AMAQI
29°C23/36°C
27th Jul 2025466 AMAQI
27th Jul 2025467 AMAQI
27th Jul 2025488 AMAQI
27th Jul 2025519 AMAQI
27th Jul 20254610 AMAQI
27th Jul 20254011 AMAQI
27th Jul 20254712 PMAQI
27th Jul 2025421 PMAQI
27th Jul 2025442 PMAQI
27th Jul 2025393 PMAQI
27th Jul 2025404 PMAQI
27th Jul 2025325 PMAQI
27th Jul 2025306 PMAQI
27th Jul 2025347 PMAQI
27th Jul 2025448 PMAQI
27th Jul 2025449 PMAQI
27th Jul 20254710 PMAQI
27th Jul 20254511 PMAQI
28th Jul 20254412 AMAQI
28th Jul 2025481 AMAQI
28th Jul 2025492 AMAQI
28th Jul 2025483 AMAQI
28th Jul 2025484 AMAQI
28th Jul 2025485 AMAQI
28°C21/35°C
28th Jul 2025486 AMAQI
28th Jul 2025487 AMAQI
28th Jul 2025478 AMAQI
28th Jul 2025489 AMAQI
28th Jul 20254810 AMAQI
28th Jul 20254211 AMAQI
28th Jul 20254012 PMAQI
28th Jul 2025391 PMAQI
28th Jul 2025362 PMAQI
28th Jul 2025343 PMAQI
28th Jul 2025284 PMAQI
28th Jul 2025275 PMAQI
28th Jul 2025266 PMAQI
28th Jul 2025297 PMAQI
28th Jul 2025418 PMAQI
28th Jul 2025499 PMAQI
28th Jul 20255010 PMAQI
28th Jul 20255211 PMAQI
29th Jul 20255112 AMAQI
29th Jul 2025501 AMAQI
29th Jul 2025492 AMAQI
29th Jul 2025483 AMAQI
29th Jul 2025474 AMAQI
29th Jul 2025465 AMAQI
27°C21/35°C
29th Jul 2025466 AMAQI
29th Jul 2025467 AMAQI
29th Jul 2025498 AMAQI
29th Jul 2025489 AMAQI
29th Jul 20255210 AMAQI
29th Jul 20255011 AMAQI
29th Jul 20254912 PMAQI
29th Jul 2025521 PMAQI
29th Jul 2025482 PMAQI
29th Jul 2025383 PMAQI
29th Jul 2025344 PMAQI
29th Jul 2025315 PMAQI
29th Jul 2025376 PMAQI
29th Jul 2025407 PMAQI
29th Jul 2025508 PMAQI
29th Jul 2025529 PMAQI
29th Jul 20255310 PMAQI
29th Jul 20255211 PMAQI
30th Jul 20255012 AMAQI
30th Jul 2025501 AMAQI
30th Jul 2025502 AMAQI
30th Jul 2025493 AMAQI
30th Jul 2025484 AMAQI
30th Jul 2025485 AMAQI
28°C20/36°C
30th Jul 2025486 AMAQI
30th Jul 2025487 AMAQI
30th Jul 2025478 AMAQI
30th Jul 2025529 AMAQI
30th Jul 20254710 AMAQI
30th Jul 20254711 AMAQI
30th Jul 20254312 PMAQI
30th Jul 2025451 PMAQI
30th Jul 2025452 PMAQI
30th Jul 2025393 PMAQI
30th Jul 2025374 PMAQI
30th Jul 2025405 PMAQI
30th Jul 2025456 PMAQI
30th Jul 2025507 PMAQI
30th Jul 2025528 PMAQI
30th Jul 2025529 PMAQI
30th Jul 20255310 PMAQI
30th Jul 20255111 PMAQI
31st Jul 20255112 AMAQI
31st Jul 2025521 AMAQI
31st Jul 2025522 AMAQI
31st Jul 2025513 AMAQI
31st Jul 2025514 AMAQI
31st Jul 2025515 AMAQI
29°C23/36°C
31st Jul 2025516 AMAQI
31st Jul 2025517 AMAQI
31st Jul 2025518 AMAQI
31st Jul 2025519 AMAQI
31st Jul 20255410 AMAQI
31st Jul 20254911 AMAQI
31st Jul 20254712 PMAQI
31st Jul 2025501 PMAQI
31st Jul 2025452 PMAQI
31st Jul 2025463 PMAQI
31st Jul 2025464 PMAQI
31st Jul 2025445 PMAQI
31st Jul 2025386 PMAQI
31st Jul 2025527 PMAQI
31st Jul 2025578 PMAQI
31st Jul 2025589 PMAQI
31st Jul 20255910 PMAQI
31st Jul 20256211 PMAQI
1st Aug 20256212 AMAQI
1st Aug 2025561 AMAQI
1st Aug 2025562 AMAQI
1st Aug 2025553 AMAQI
1st Aug 2025554 AMAQI
1st Aug 2025565 AMAQI
28°C21/36°C
1st Aug 2025556 AMAQI
1st Aug 2025547 AMAQI
1st Aug 2025628 AMAQI
1st Aug 2025629 AMAQI
1st Aug 20256310 AMAQI
1st Aug 20256111 AMAQI
1st Aug 20256012 PMAQI
1st Aug 2025581 PMAQI
1st Aug 2025572 PMAQI
1st Aug 2025513 PMAQI
1st Aug 2025534 PMAQI
1st Aug 2025505 PMAQI
1st Aug 2025506 PMAQI
1st Aug 2025557 PMAQI
1st Aug 2025558 PMAQI
1st Aug 2025589 PMAQI
1st Aug 20256010 PMAQI
1st Aug 20256411 PMAQI
2nd Aug 20256012 AMAQI
2nd Aug 2025571 AMAQI
2nd Aug 2025562 AMAQI
2nd Aug 2025583 AMAQI
2nd Aug 2025584 AMAQI
2nd Aug 2025595 AMAQI
28°C22/37°C
2nd Aug 2025596 AMAQI
2nd Aug 2025597 AMAQI
2nd Aug 2025578 AMAQI
2nd Aug 2025549 AMAQI
2nd Aug 20255110 AMAQI
2nd Aug 20255111 AMAQI
2nd Aug 20254912 PMAQI
2nd Aug 2025541 PMAQI
2nd Aug 2025502 PMAQI
2nd Aug 2025483 PMAQI
2nd Aug 2025514 PMAQI
2nd Aug 2025505 PMAQI
2nd Aug 2025486 PMAQI
2nd Aug 2025547 PMAQI
2nd Aug 2025588 PMAQI
2nd Aug 2025589 PMAQI
2nd Aug 20256110 PMAQI
2nd Aug 20256311 PMAQI
3rd Aug 20256012 AMAQI
3rd Aug 2025591 AMAQI
3rd Aug 2025582 AMAQI
3rd Aug 2025583 AMAQI
3rd Aug 2025584 AMAQI
3rd Aug 2025585 AMAQI
29°C23/37°C
3rd Aug 2025586 AMAQI
3rd Aug 2025597 AMAQI
3rd Aug 2025648 AMAQI
3rd Aug 2025659 AMAQI
3rd Aug 20256410 AMAQI
3rd Aug 20255911 AMAQI
3rd Aug 20255912 PMAQI
3rd Aug 2025581 PMAQI
3rd Aug 2025562 PMAQI
3rd Aug 2025523 PMAQI
3rd Aug 2025534 PMAQI
3rd Aug 2025595 PMAQI
3rd Aug 2025556 PMAQI
3rd Aug 2025597 PMAQI
3rd Aug 2025608 PMAQI
3rd Aug 2025609 PMAQI
3rd Aug 20256210 PMAQI
3rd Aug 20256511 PMAQI
4th Aug 20256212 AMAQI
4th Aug 2025581 AMAQI
4th Aug 2025582 AMAQI
4th Aug 2025593 AMAQI
4th Aug 2025604 AMAQI
4th Aug 2025605 AMAQI
31°C23/38°C
4th Aug 2025606 AMAQI
4th Aug 2025607 AMAQI
4th Aug 2025718 AMAQI
4th Aug 2025769 AMAQI
4th Aug 20256510 AMAQI
4th Aug 20256211 AMAQI
4th Aug 20256012 PMAQI
4th Aug 2025581 PMAQI
4th Aug 2025592 PMAQI
4th Aug 2025583 PMAQI
4th Aug 2025544 PMAQI
4th Aug 2025565 PMAQI
4th Aug 2025486 PMAQI
4th Aug 2025577 PMAQI
4th Aug 2025608 PMAQI
4th Aug 2025639 PMAQI
4th Aug 20256610 PMAQI
4th Aug 20256611 PMAQI
5th Aug 20256612 AMAQI
5th Aug 2025601 AMAQI
5th Aug 2025602 AMAQI
5th Aug 2025603 AMAQI
5th Aug 2025614 AMAQI
5th Aug 2025605 AMAQI
31°C24/39°C
5th Aug 2025606 AMAQI
5th Aug 2025617 AMAQI
5th Aug 2025668 AMAQI
5th Aug 2025669 AMAQI
5th Aug 20256010 AMAQI
5th Aug 20256211 AMAQI
5th Aug 20256112 PMAQI
5th Aug 2025621 PMAQI
5th Aug 2025582 PMAQI
5th Aug 2025643 PMAQI
5th Aug 2025614 PMAQI
5th Aug 2025565 PMAQI
5th Aug 2025576 PMAQI
5th Aug 2025607 PMAQI
5th Aug 2025628 PMAQI
5th Aug 2025649 PMAQI
5th Aug 20256410 PMAQI
5th Aug 20256311 PMAQI
6th Aug 20256212 AMAQI
6th Aug 2025621 AMAQI
6th Aug 2025622 AMAQI
6th Aug 2025623 AMAQI
6th Aug 2025634 AMAQI
6th Aug 2025645 AMAQI
30°C22/38°C
6th Aug 2025646 AMAQI
6th Aug 2025627 AMAQI
6th Aug 2025518 AMAQI
6th Aug 2025529 AMAQI
6th Aug 20255010 AMAQI
6th Aug 20255611 AMAQI
6th Aug 20254812 PMAQI
6th Aug 2025441 PMAQI
6th Aug 2025482 PMAQI
6th Aug 2025413 PMAQI
6th Aug 2025384 PMAQI
6th Aug 2025465 PMAQI
6th Aug 2025446 PMAQI
6th Aug 2025537 PMAQI
6th Aug 2025598 PMAQI
6th Aug 2025619 PMAQI
6th Aug 20256210 PMAQI
6th Aug 20256411 PMAQI
7th Aug 20256312 AMAQI
7th Aug 2025631 AMAQI
7th Aug 2025632 AMAQI
7th Aug 2025623 AMAQI
7th Aug 2025634 AMAQI
7th Aug 2025625 AMAQI
--°C/°C
7th Aug 2025616 AMAQI
6 AM7th Aug 2025627 AMAQI
12 PM
7 PM
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 7 AM
55AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
8 AM - 6 PM
47AQI
11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 7 AM (Avg. 55), while the lowest AQI was between 8 AM to 6 PM (Avg. 47).
Night time
Avg. Highest Time
12 AM - 11 PM
55AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM - 11 PM
55AQI
10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 55), while the lowest AQI was between 12 AM to 11 PM (Avg. 55).
2025 Days Vs Air Quality
Zhongxian Middle School, Sanzhou, Chongqing, China
2025
13%
29
52%
112
27%
58
8%
18
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Good
29 DaysModerate
112 DaysPoor
58 DaysUnhealthy
18 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 13%
Health Risk Level:
Extreme
In 2025, 13% of 218 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
Zhongxian Middle School, Sanzhou, Chongqing, China
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
1st January 2025
181AQI
181AQI
2nd January 2025
177AQI
177AQI
3rd January 2025
190AQI
190AQI
4th January 2025
180AQI
180AQI
5th January 2025
150AQI
150AQI
6th January 2025
161AQI
161AQI
7th January 2025
130AQI
130AQI
8th January 2025
118AQI
118AQI
9th January 2025
111AQI
111AQI
10th January 2025
120AQI
120AQI
11th January 2025
125AQI
125AQI
12th January 2025
142AQI
142AQI
13th January 2025
154AQI
154AQI
14th January 2025
150AQI
150AQI
15th January 2025
141AQI
141AQI
16th January 2025
136AQI
136AQI
17th January 2025
142AQI
142AQI
18th January 2025
155AQI
155AQI
19th January 2025
157AQI
157AQI
20th January 2025
165AQI
165AQI
21st January 2025
171AQI
171AQI
22nd January 2025
187AQI
187AQI
23rd January 2025
195AQI
195AQI
24th January 2025
157AQI
157AQI
25th January 2025
94AQI
94AQI
26th January 2025
97AQI
97AQI
27th January 2025
100AQI
100AQI
28th January 2025
116AQI
116AQI
29th January 2025
154AQI
154AQI
30th January 2025
149AQI
149AQI
31st January 2025
158AQI
158AQI
1st February 2025
113AQI
113AQI
2nd February 2025
100AQI
100AQI
3rd February 2025
90AQI
90AQI
4th February 2025
88AQI
88AQI
5th February 2025
102AQI
102AQI
6th February 2025
80AQI
80AQI
7th February 2025
82AQI
82AQI
8th February 2025
76AQI
76AQI
9th February 2025
85AQI
85AQI
10th February 2025
96AQI
96AQI
11th February 2025
124AQI
124AQI
12th February 2025
99AQI
99AQI
13th February 2025
103AQI
103AQI
14th February 2025
90AQI
90AQI
15th February 2025
100AQI
100AQI
16th February 2025
96AQI
96AQI
17th February 2025
97AQI
97AQI
18th February 2025
92AQI
92AQI
19th February 2025
106AQI
106AQI
20th February 2025
91AQI
91AQI
21st February 2025
97AQI
97AQI
22nd February 2025
88AQI
88AQI
23rd February 2025
80AQI
80AQI
24th February 2025
104AQI
104AQI
25th February 2025
110AQI
110AQI
26th February 2025
115AQI
115AQI
27th February 2025
106AQI
106AQI
28th February 2025
129AQI
129AQI
1st March 2025
124AQI
124AQI
2nd March 2025
136AQI
136AQI
3rd March 2025
81AQI
81AQI
4th March 2025
74AQI
74AQI
5th March 2025
57AQI
57AQI
6th March 2025
62AQI
62AQI
7th March 2025
68AQI
68AQI
8th March 2025
83AQI
83AQI
9th March 2025
92AQI
92AQI
10th March 2025
88AQI
88AQI
11th March 2025
96AQI
96AQI
12th March 2025
110AQI
110AQI
13th March 2025
90AQI
90AQI
14th March 2025
87AQI
87AQI
15th March 2025
64AQI
64AQI
16th March 2025
68AQI
68AQI
17th March 2025
69AQI
69AQI
18th March 2025
75AQI
75AQI
19th March 2025
85AQI
85AQI
20th March 2025
84AQI
84AQI
21st March 2025
98AQI
98AQI
22nd March 2025
127AQI
127AQI
23rd March 2025
115AQI
115AQI
24th March 2025
117AQI
117AQI
25th March 2025
99AQI
99AQI
26th March 2025
114AQI
114AQI
27th March 2025
135AQI
135AQI
28th March 2025
100AQI
100AQI
29th March 2025
98AQI
98AQI
30th March 2025
86AQI
86AQI
31st March 2025
87AQI
87AQI
1st April 2025
94AQI
94AQI
2nd April 2025
105AQI
105AQI
3rd April 2025
105AQI
105AQI
4th April 2025
112AQI
112AQI
5th April 2025
115AQI
115AQI
6th April 2025
118AQI
118AQI
7th April 2025
116AQI
116AQI
8th April 2025
111AQI
111AQI
9th April 2025
113AQI
113AQI
10th April 2025
101AQI
101AQI
11th April 2025
100AQI
100AQI
12th April 2025
181AQI
181AQI
13th April 2025
158AQI
158AQI
14th April 2025
155AQI
155AQI
15th April 2025
142AQI
142AQI
16th April 2025
136AQI
136AQI
17th April 2025
129AQI
129AQI
18th April 2025
121AQI
121AQI
19th April 2025
108AQI
108AQI
20th April 2025
98AQI
98AQI
21st April 2025
91AQI
91AQI
22nd April 2025
92AQI
92AQI
23rd April 2025
100AQI
100AQI
24th April 2025
93AQI
93AQI
25th April 2025
101AQI
101AQI
26th April 2025
96AQI
96AQI
27th April 2025
93AQI
93AQI
28th April 2025
94AQI
94AQI
29th April 2025
91AQI
91AQI
30th April 2025
84AQI
84AQI
1st May 2025
93AQI
93AQI
2nd May 2025
94AQI
94AQI
3rd May 2025
101AQI
101AQI
4th May 2025
87AQI
87AQI
5th May 2025
86AQI
86AQI
6th May 2025
104AQI
104AQI
7th May 2025
105AQI
105AQI
8th May 2025
88AQI
88AQI
9th May 2025
99AQI
99AQI
10th May 2025
94AQI
94AQI
11th May 2025
94AQI
94AQI
12th May 2025
95AQI
95AQI
13th May 2025
94AQI
94AQI
14th May 2025
103AQI
103AQI
15th May 2025
105AQI
105AQI
16th May 2025
103AQI
103AQI
17th May 2025
125AQI
125AQI
18th May 2025
113AQI
113AQI
19th May 2025
125AQI
125AQI
20th May 2025
114AQI
114AQI
21st May 2025
113AQI
113AQI
22nd May 2025
86AQI
86AQI
23rd May 2025
99AQI
99AQI
24th May 2025
102AQI
102AQI
25th May 2025
98AQI
98AQI
26th May 2025
90AQI
90AQI
27th May 2025
89AQI
89AQI
28th May 2025
86AQI
86AQI
29th May 2025
77AQI
77AQI
30th May 2025
80AQI
80AQI
31st May 2025
69AQI
69AQI
1st June 2025
65AQI
65AQI
2nd June 2025
65AQI
65AQI
3rd June 2025
72AQI
72AQI
4th June 2025
89AQI
89AQI
5th June 2025
78AQI
78AQI
6th June 2025
85AQI
85AQI
7th June 2025
78AQI
78AQI
8th June 2025
66AQI
66AQI
9th June 2025
68AQI
68AQI
10th June 2025
73AQI
73AQI
11th June 2025
70AQI
70AQI
12th June 2025
77AQI
77AQI
13th June 2025
74AQI
74AQI
14th June 2025
75AQI
75AQI
15th June 2025
79AQI
79AQI
16th June 2025
74AQI
74AQI
17th June 2025
72AQI
72AQI
18th June 2025
61AQI
61AQI
19th June 2025
55AQI
55AQI
20th June 2025
57AQI
57AQI
21st June 2025
49AQI
49AQI
22nd June 2025
41AQI
41AQI
23rd June 2025
40AQI
40AQI
24th June 2025
47AQI
47AQI
25th June 2025
45AQI
45AQI
26th June 2025
43AQI
43AQI
27th June 2025
46AQI
46AQI
28th June 2025
48AQI
48AQI
29th June 2025
46AQI
46AQI
30th June 2025
48AQI
48AQI
1st July 2025
47AQI
47AQI
2nd July 2025
42AQI
42AQI
3rd July 2025
42AQI
42AQI
4th July 2025
41AQI
41AQI
5th July 2025
45AQI
45AQI
6th July 2025
52AQI
52AQI
7th July 2025
48AQI
48AQI
8th July 2025
48AQI
48AQI
9th July 2025
50AQI
50AQI
10th July 2025
51AQI
51AQI
11th July 2025
50AQI
50AQI
12th July 2025
56AQI
56AQI
13th July 2025
57AQI
57AQI
14th July 2025
59AQI
59AQI
15th July 2025
60AQI
60AQI
16th July 2025
59AQI
59AQI
17th July 2025
60AQI
60AQI
18th July 2025
56AQI
56AQI
19th July 2025
54AQI
54AQI
20th July 2025
54AQI
54AQI
21st July 2025
50AQI
50AQI
22nd July 2025
43AQI
43AQI
23rd July 2025
41AQI
41AQI
24th July 2025
39AQI
39AQI
25th July 2025
39AQI
39AQI
26th July 2025
41AQI
41AQI
27th July 2025
44AQI
44AQI
28th July 2025
43AQI
43AQI
29th July 2025
47AQI
47AQI
30th July 2025
48AQI
48AQI
31st July 2025
51AQI
51AQI
1st August 2025
57AQI
57AQI
2nd August 2025
56AQI
56AQI
3rd August 2025
59AQI
59AQI
4th August 2025
60AQI
60AQI
5th August 2025
61AQI
61AQI
147AQI
98AQI
93AQI
112AQI
97AQI
63AQI
49AQI
59AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202593AQI
3
13
15
18
10
23
8
12
15
3
19
12
10
20
19
12
5
29
112
58
18
Highest AQI recorded in
January147AQI
Lowest AQI recorded in
July49AQI
202475AQI
7
7
13
4
18
8
3
18
13
3
27
5
25
1
18
12
27
4
14
17
11
16
3
6
23
2
4
18
8
10
11
10
95
195
59
17
Highest AQI recorded in
December126AQI
Lowest AQI recorded in
July42AQI
202366AQI
1
3
18
8
1
2
12
8
6
7
17
7
8
22
15
16
24
6
31
23
8
17
12
1
21
10
11
13
4
1
3
16
5
7
163
135
43
22
1
Highest AQI recorded in
January141AQI
Lowest AQI recorded in
July33AQI
202284AQI
9
14
8
15
4
2
1
3
15
11
2
4
25
1
8
23
16
14
13
10
1
1
6
16
6
6
17
7
1
1
19
10
11
7
13
58
175
60
26
1
Highest AQI recorded in
December129AQI
Lowest AQI recorded in
August40AQI
202181AQI
3
20
8
11
8
9
2
28
1
9
21
3
26
2
7
21
2
19
12
15
15
1
7
21
2
10
21
17
11
2
10
15
6
72
206
62
25
Highest AQI recorded in
January133AQI
Lowest AQI recorded in
July48AQI
202076AQI
2
4
7
13
8
14
4
3
27
18
13
11
20
7
21
2
9
16
5
1
3
17
10
13
12
6
53
158
48
7
Highest AQI recorded in
December114AQI
Lowest AQI recorded in
July48AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
93AQILeast Polluted Year Recorded
2023(Avg.)
66AQIZhongxian Middle School's annual 2025 AQI (93) shows an average percentage change of 22.4% (worsened AQI) compared to previous years: 2020 (76), 2021 (81), 2022 (84), 2023 (66), 2024 (75).
