Wujin Monitoring Station, Changzhou, Jiangsu, 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
Wujin Monitoring Station, Changzhou, Jiangsu, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
26th Aug 2021
126AQILowest AQI recorded on
28th Aug 2023
26AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 56 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Wujin Monitoring Station, Changzhou, Jiangsu, China
AQI
Day
Night
.
5 AM5th Aug 2025
7 PM
4 AM6th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
11AM5th Aug
76AQI
Avg. Lowest Time
7PM5th Aug
56AQI
In the last 24 hours,
Wujin Monitoring Station's AQI reached its highest point of 76 at 11 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Wujin Monitoring Station, Changzhou, Jiangsu, China
JulAug
07th - 08th08th - 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
Day
Night
7th Jul 2025685 AMAQI
7th Jul 2025696 AMAQI
7th Jul 2025707 AMAQI
7th Jul 2025588 AMAQI
7th Jul 2025629 AMAQI
7th Jul 20256010 AMAQI
7th Jul 20256111 AMAQI
7th Jul 20256012 PMAQI
7th Jul 2025551 PMAQI
7th Jul 2025542 PMAQI
7th Jul 2025533 PMAQI
7th Jul 2025504 PMAQI
7th Jul 2025405 PMAQI
7th Jul 2025566 PMAQI
7th Jul 2025467 PMAQI
7th Jul 2025568 PMAQI
7th Jul 2025569 PMAQI
7th Jul 20255510 PMAQI
7th Jul 20255511 PMAQI
8th Jul 20255612 AMAQI
8th Jul 2025661 AMAQI
8th Jul 2025662 AMAQI
8th Jul 2025663 AMAQI
8th Jul 2025644 AMAQI
31°C28/36°C
8th Jul 2025645 AMAQI
8th Jul 2025646 AMAQI
8th Jul 2025647 AMAQI
8th Jul 2025348 AMAQI
8th Jul 2025259 AMAQI
8th Jul 20252810 AMAQI
8th Jul 20252911 AMAQI
8th Jul 20253512 PMAQI
8th Jul 2025321 PMAQI
8th Jul 2025322 PMAQI
8th Jul 2025303 PMAQI
8th Jul 2025314 PMAQI
8th Jul 2025355 PMAQI
8th Jul 2025246 PMAQI
8th Jul 2025377 PMAQI
8th Jul 2025548 PMAQI
8th Jul 2025549 PMAQI
8th Jul 20255310 PMAQI
8th Jul 20255211 PMAQI
9th Jul 20255412 AMAQI
9th Jul 2025631 AMAQI
9th Jul 2025642 AMAQI
9th Jul 2025623 AMAQI
9th Jul 2025594 AMAQI
29°C26/33°C
9th Jul 2025585 AMAQI
9th Jul 2025586 AMAQI
9th Jul 2025587 AMAQI
9th Jul 2025338 AMAQI
9th Jul 2025289 AMAQI
9th Jul 20253410 AMAQI
9th Jul 20253811 AMAQI
9th Jul 20253712 PMAQI
9th Jul 2025371 PMAQI
9th Jul 2025352 PMAQI
9th Jul 2025383 PMAQI
9th Jul 2025494 PMAQI
9th Jul 2025405 PMAQI
9th Jul 2025396 PMAQI
9th Jul 2025417 PMAQI
9th Jul 2025528 PMAQI
9th Jul 2025539 PMAQI
9th Jul 20255410 PMAQI
9th Jul 20255411 PMAQI
10th Jul 20255512 AMAQI
10th Jul 2025601 AMAQI
10th Jul 2025592 AMAQI
10th Jul 2025583 AMAQI
10th Jul 2025564 AMAQI
29°C26/33°C
10th Jul 2025565 AMAQI
10th Jul 2025566 AMAQI
10th Jul 2025567 AMAQI
10th Jul 2025768 AMAQI
10th Jul 2025889 AMAQI
10th Jul 20258610 AMAQI
10th Jul 20258611 AMAQI
10th Jul 20259312 PMAQI
10th Jul 2025961 PMAQI
10th Jul 2025932 PMAQI
10th Jul 2025883 PMAQI
10th Jul 2025894 PMAQI
10th Jul 2025925 PMAQI
10th Jul 2025886 PMAQI
10th Jul 2025697 PMAQI
10th Jul 2025658 PMAQI
10th Jul 2025709 PMAQI
10th Jul 20257110 PMAQI
10th Jul 20257011 PMAQI
11th Jul 20257212 AMAQI
11th Jul 2025581 AMAQI
11th Jul 2025582 AMAQI
11th Jul 2025593 AMAQI
11th Jul 2025654 AMAQI
29°C26/32°C
11th Jul 2025645 AMAQI
11th Jul 2025646 AMAQI
11th Jul 2025637 AMAQI
11th Jul 2025788 AMAQI
11th Jul 2025689 AMAQI
11th Jul 20256810 AMAQI
11th Jul 20256911 AMAQI
11th Jul 20256712 PMAQI
11th Jul 2025661 PMAQI
11th Jul 2025602 PMAQI
11th Jul 2025593 PMAQI
11th Jul 2025464 PMAQI
11th Jul 2025405 PMAQI
11th Jul 2025466 PMAQI
11th Jul 2025387 PMAQI
11th Jul 2025558 PMAQI
11th Jul 2025569 PMAQI
11th Jul 20255610 PMAQI
11th Jul 20255711 PMAQI
12th Jul 20255612 AMAQI
12th Jul 2025611 AMAQI
12th Jul 2025622 AMAQI
12th Jul 2025623 AMAQI
12th Jul 2025634 AMAQI
28°C25/31°C
12th Jul 2025635 AMAQI
12th Jul 2025646 AMAQI
12th Jul 2025637 AMAQI
12th Jul 2025648 AMAQI
12th Jul 2025569 AMAQI
12th Jul 20255210 AMAQI
12th Jul 20254611 AMAQI
12th Jul 20255012 PMAQI
12th Jul 2025501 PMAQI
12th Jul 2025462 PMAQI
12th Jul 2025473 PMAQI
12th Jul 2025454 PMAQI
12th Jul 2025365 PMAQI
12th Jul 2025376 PMAQI
12th Jul 2025567 PMAQI
12th Jul 2025608 PMAQI
12th Jul 2025599 PMAQI
12th Jul 20256410 PMAQI
12th Jul 20256511 PMAQI
13th Jul 20256912 AMAQI
13th Jul 2025621 AMAQI
13th Jul 2025622 AMAQI
13th Jul 2025613 AMAQI
13th Jul 2025604 AMAQI
27°C25/32°C
13th Jul 2025595 AMAQI
13th Jul 2025596 AMAQI
13th Jul 2025607 AMAQI
13th Jul 2025678 AMAQI
13th Jul 2025729 AMAQI
13th Jul 20256210 AMAQI
13th Jul 20256611 AMAQI
13th Jul 20256612 PMAQI
13th Jul 2025731 PMAQI
13th Jul 2025692 PMAQI
13th Jul 2025633 PMAQI
13th Jul 2025684 PMAQI
13th Jul 2025685 PMAQI
13th Jul 2025696 PMAQI
13th Jul 2025667 PMAQI
13th Jul 2025668 PMAQI
13th Jul 2025659 PMAQI
13th Jul 20256610 PMAQI
13th Jul 20256711 PMAQI
14th Jul 20256512 AMAQI
14th Jul 2025611 AMAQI
14th Jul 2025622 AMAQI
14th Jul 2025623 AMAQI
14th Jul 2025634 AMAQI
29°C24/33°C
14th Jul 2025625 AMAQI
14th Jul 2025636 AMAQI
14th Jul 2025637 AMAQI
14th Jul 2025738 AMAQI
14th Jul 2025769 AMAQI
14th Jul 20257610 AMAQI
14th Jul 20258411 AMAQI
14th Jul 20258212 PMAQI
14th Jul 2025821 PMAQI
14th Jul 2025802 PMAQI
14th Jul 2025613 PMAQI
14th Jul 2025574 PMAQI
14th Jul 2025545 PMAQI
14th Jul 2025536 PMAQI
14th Jul 2025557 PMAQI
14th Jul 2025588 PMAQI
14th Jul 2025599 PMAQI
14th Jul 20255810 PMAQI
14th Jul 20255811 PMAQI
15th Jul 20255812 AMAQI
15th Jul 2025611 AMAQI
15th Jul 2025632 AMAQI
15th Jul 2025633 AMAQI
15th Jul 2025664 AMAQI
29°C25/34°C
15th Jul 2025655 AMAQI
15th Jul 2025666 AMAQI
15th Jul 2025657 AMAQI
15th Jul 2025678 AMAQI
15th Jul 2025709 AMAQI
15th Jul 20256710 AMAQI
15th Jul 20256711 AMAQI
15th Jul 20255712 PMAQI
15th Jul 2025571 PMAQI
15th Jul 2025752 PMAQI
15th Jul 2025743 PMAQI
15th Jul 2025814 PMAQI
15th Jul 2025785 PMAQI
15th Jul 2025766 PMAQI
15th Jul 2025747 PMAQI
15th Jul 2025708 PMAQI
15th Jul 2025749 PMAQI
15th Jul 20257610 PMAQI
15th Jul 20256911 PMAQI
16th Jul 20256812 AMAQI
16th Jul 2025621 AMAQI
16th Jul 2025632 AMAQI
16th Jul 2025633 AMAQI
16th Jul 2025644 AMAQI
29°C25/35°C
16th Jul 2025645 AMAQI
16th Jul 2025646 AMAQI
16th Jul 2025647 AMAQI
16th Jul 2025708 AMAQI
16th Jul 2025749 AMAQI
16th Jul 20257110 AMAQI
16th Jul 20256411 AMAQI
16th Jul 20256812 PMAQI
16th Jul 2025721 PMAQI
16th Jul 2025672 PMAQI
16th Jul 2025693 PMAQI
16th Jul 2025734 PMAQI
16th Jul 2025695 PMAQI
16th Jul 2025716 PMAQI
16th Jul 2025707 PMAQI
16th Jul 2025668 PMAQI
16th Jul 2025689 PMAQI
16th Jul 20256410 PMAQI
16th Jul 20256611 PMAQI
17th Jul 20256312 AMAQI
17th Jul 2025641 AMAQI
17th Jul 2025652 AMAQI
17th Jul 2025663 AMAQI
17th Jul 2025664 AMAQI
31°C27/35°C
17th Jul 2025665 AMAQI
17th Jul 2025666 AMAQI
17th Jul 2025667 AMAQI
17th Jul 2025648 AMAQI
17th Jul 2025589 AMAQI
17th Jul 20255410 AMAQI
17th Jul 20254311 AMAQI
17th Jul 20254712 PMAQI
17th Jul 2025471 PMAQI
17th Jul 2025542 PMAQI
17th Jul 2025543 PMAQI
17th Jul 2025564 PMAQI
17th Jul 2025565 PMAQI
17th Jul 2025666 PMAQI
17th Jul 2025687 PMAQI
17th Jul 2025678 PMAQI
17th Jul 2025649 PMAQI
17th Jul 20256310 PMAQI
17th Jul 20256011 PMAQI
18th Jul 20256212 AMAQI
18th Jul 2025651 AMAQI
18th Jul 2025652 AMAQI
18th Jul 2025643 AMAQI
18th Jul 2025634 AMAQI
29°C26/35°C
18th Jul 2025625 AMAQI
18th Jul 2025636 AMAQI
18th Jul 2025637 AMAQI
18th Jul 2025698 AMAQI
18th Jul 2025719 AMAQI
18th Jul 20256810 AMAQI
18th Jul 20257111 AMAQI
18th Jul 20256812 PMAQI
18th Jul 2025651 PMAQI
18th Jul 2025672 PMAQI
18th Jul 2025673 PMAQI
18th Jul 2025644 PMAQI
18th Jul 2025635 PMAQI
18th Jul 2025576 PMAQI
18th Jul 2025617 PMAQI
18th Jul 2025608 PMAQI
18th Jul 2025569 PMAQI
18th Jul 20255610 PMAQI
18th Jul 20255611 PMAQI
19th Jul 20255612 AMAQI
19th Jul 2025631 AMAQI
19th Jul 2025632 AMAQI
19th Jul 2025643 AMAQI
19th Jul 2025644 AMAQI
28°C25/34°C
19th Jul 2025655 AMAQI
19th Jul 2025656 AMAQI
19th Jul 2025647 AMAQI
19th Jul 2025548 AMAQI
19th Jul 2025389 AMAQI
19th Jul 20252810 AMAQI
19th Jul 20253811 AMAQI
19th Jul 20253612 PMAQI
19th Jul 2025391 PMAQI
19th Jul 2025322 PMAQI
19th Jul 2025263 PMAQI
19th Jul 2025324 PMAQI
19th Jul 2025425 PMAQI
19th Jul 2025436 PMAQI
19th Jul 2025467 PMAQI
19th Jul 2025548 PMAQI
19th Jul 2025529 PMAQI
19th Jul 20255410 PMAQI
19th Jul 20255411 PMAQI
20th Jul 20255412 AMAQI
20th Jul 2025621 AMAQI
20th Jul 2025632 AMAQI
20th Jul 2025613 AMAQI
20th Jul 2025594 AMAQI
29°C25/34°C
20th Jul 2025595 AMAQI
20th Jul 2025596 AMAQI
20th Jul 2025597 AMAQI
20th Jul 2025468 AMAQI
20th Jul 2025369 AMAQI
20th Jul 20253010 AMAQI
20th Jul 20253011 AMAQI
20th Jul 20253512 PMAQI
20th Jul 2025301 PMAQI
20th Jul 2025242 PMAQI
20th Jul 2025263 PMAQI
20th Jul 2025244 PMAQI
20th Jul 2025225 PMAQI
20th Jul 2025226 PMAQI
20th Jul 2025387 PMAQI
20th Jul 2025508 PMAQI
20th Jul 2025509 PMAQI
20th Jul 20255010 PMAQI
20th Jul 20255111 PMAQI
21st Jul 20255112 AMAQI
21st Jul 2025581 AMAQI
21st Jul 2025602 AMAQI
21st Jul 2025573 AMAQI
21st Jul 2025564 AMAQI
30°C27/35°C
21st Jul 2025565 AMAQI
21st Jul 2025566 AMAQI
21st Jul 2025567 AMAQI
21st Jul 2025308 AMAQI
21st Jul 2025229 AMAQI
21st Jul 20252010 AMAQI
21st Jul 20252111 AMAQI
21st Jul 20252712 PMAQI
21st Jul 2025231 PMAQI
21st Jul 2025262 PMAQI
21st Jul 2025303 PMAQI
21st Jul 2025284 PMAQI
21st Jul 2025235 PMAQI
21st Jul 2025356 PMAQI
21st Jul 2025347 PMAQI
21st Jul 2025508 PMAQI
21st Jul 2025469 PMAQI
21st Jul 20254510 PMAQI
21st Jul 20254911 PMAQI
22nd Jul 20254612 AMAQI
22nd Jul 2025561 AMAQI
22nd Jul 2025572 AMAQI
22nd Jul 2025553 AMAQI
22nd Jul 2025534 AMAQI
30°C27/34°C
22nd Jul 2025535 AMAQI
22nd Jul 2025546 AMAQI
22nd Jul 2025537 AMAQI
22nd Jul 2025288 AMAQI
22nd Jul 2025209 AMAQI
22nd Jul 20251910 AMAQI
22nd Jul 20252011 AMAQI
22nd Jul 20252312 PMAQI
22nd Jul 2025281 PMAQI
22nd Jul 2025242 PMAQI
22nd Jul 2025403 PMAQI
22nd Jul 2025494 PMAQI
22nd Jul 2025425 PMAQI
22nd Jul 2025466 PMAQI
22nd Jul 2025407 PMAQI
22nd Jul 2025508 PMAQI
22nd Jul 2025479 PMAQI
22nd Jul 20254710 PMAQI
22nd Jul 20254811 PMAQI
23rd Jul 20254712 AMAQI
23rd Jul 2025541 AMAQI
23rd Jul 2025542 AMAQI
23rd Jul 2025533 AMAQI
23rd Jul 2025514 AMAQI
30°C27/34°C
23rd Jul 2025525 AMAQI
23rd Jul 2025516 AMAQI
23rd Jul 2025507 AMAQI
23rd Jul 2025308 AMAQI
23rd Jul 2025229 AMAQI
23rd Jul 20252210 AMAQI
23rd Jul 20252911 AMAQI
23rd Jul 20252312 PMAQI
23rd Jul 2025261 PMAQI
23rd Jul 2025262 PMAQI
23rd Jul 2025243 PMAQI
23rd Jul 2025264 PMAQI
23rd Jul 2025275 PMAQI
23rd Jul 2025306 PMAQI
23rd Jul 2025477 PMAQI
23rd Jul 2025508 PMAQI
23rd Jul 2025429 PMAQI
23rd Jul 20254110 PMAQI
23rd Jul 20254511 PMAQI
24th Jul 20254012 AMAQI
24th Jul 2025401 AMAQI
24th Jul 2025492 AMAQI
24th Jul 2025503 AMAQI
24th Jul 2025484 AMAQI
30°C26/35°C
24th Jul 2025485 AMAQI
24th Jul 2025476 AMAQI
24th Jul 2025477 AMAQI
24th Jul 2025428 AMAQI
24th Jul 2025499 AMAQI
24th Jul 20254010 AMAQI
24th Jul 20254011 AMAQI
24th Jul 20255012 PMAQI
24th Jul 2025481 PMAQI
24th Jul 2025462 PMAQI
24th Jul 2025443 PMAQI
24th Jul 2025464 PMAQI
24th Jul 2025515 PMAQI
24th Jul 2025506 PMAQI
24th Jul 2025527 PMAQI
24th Jul 2025488 PMAQI
24th Jul 2025509 PMAQI
24th Jul 20255510 PMAQI
24th Jul 20255811 PMAQI
25th Jul 20255612 AMAQI
25th Jul 2025501 AMAQI
25th Jul 2025502 AMAQI
25th Jul 2025493 AMAQI
25th Jul 2025494 AMAQI
29°C25/34°C
25th Jul 2025485 AMAQI
25th Jul 2025486 AMAQI
25th Jul 2025487 AMAQI
25th Jul 2025538 AMAQI
25th Jul 2025529 AMAQI
25th Jul 20255210 AMAQI
25th Jul 20255511 AMAQI
25th Jul 20255612 PMAQI
25th Jul 2025541 PMAQI
25th Jul 2025562 PMAQI
25th Jul 2025553 PMAQI
25th Jul 2025594 PMAQI
25th Jul 2025515 PMAQI
25th Jul 2025446 PMAQI
25th Jul 2025527 PMAQI
25th Jul 2025488 PMAQI
25th Jul 2025469 PMAQI
25th Jul 20254710 PMAQI
25th Jul 20254011 PMAQI
26th Jul 20254012 AMAQI
26th Jul 2025521 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025523 AMAQI
26th Jul 2025524 AMAQI
29°C25/33°C
26th Jul 2025525 AMAQI
26th Jul 2025526 AMAQI
26th Jul 2025527 AMAQI
26th Jul 2025258 AMAQI
26th Jul 2025189 AMAQI
26th Jul 20251910 AMAQI
26th Jul 20252111 AMAQI
26th Jul 20252312 PMAQI
26th Jul 2025301 PMAQI
26th Jul 2025322 PMAQI
26th Jul 2025243 PMAQI
26th Jul 2025234 PMAQI
26th Jul 2025235 PMAQI
26th Jul 2025286 PMAQI
26th Jul 2025357 PMAQI
26th Jul 2025398 PMAQI
26th Jul 2025449 PMAQI
26th Jul 20254610 PMAQI
26th Jul 20254511 PMAQI
27th Jul 20254312 AMAQI
27th Jul 2025521 AMAQI
27th Jul 2025522 AMAQI
27th Jul 2025503 AMAQI
27th Jul 2025464 AMAQI
29°C26/34°C
27th Jul 2025475 AMAQI
27th Jul 2025466 AMAQI
27th Jul 2025467 AMAQI
27th Jul 2025358 AMAQI
27th Jul 2025409 AMAQI
27th Jul 20254510 AMAQI
27th Jul 20254911 AMAQI
27th Jul 20254212 PMAQI
27th Jul 2025441 PMAQI
27th Jul 2025382 PMAQI
27th Jul 2025303 PMAQI
27th Jul 2025284 PMAQI
27th Jul 2025265 PMAQI
27th Jul 2025226 PMAQI
27th Jul 2025287 PMAQI
27th Jul 2025368 PMAQI
27th Jul 2025359 PMAQI
27th Jul 20253810 PMAQI
27th Jul 20254011 PMAQI
28th Jul 20254512 AMAQI
28th Jul 2025491 AMAQI
28th Jul 2025492 AMAQI
28th Jul 2025483 AMAQI
28th Jul 2025464 AMAQI
29°C26/34°C
28th Jul 2025475 AMAQI
28th Jul 2025476 AMAQI
28th Jul 2025477 AMAQI
28th Jul 2025328 AMAQI
28th Jul 2025309 AMAQI
28th Jul 20253310 AMAQI
28th Jul 20253411 AMAQI
28th Jul 20254512 PMAQI
28th Jul 2025311 PMAQI
28th Jul 2025222 PMAQI
28th Jul 2025253 PMAQI
28th Jul 2025374 PMAQI
28th Jul 2025335 PMAQI
28th Jul 2025376 PMAQI
28th Jul 2025347 PMAQI
28th Jul 2025408 PMAQI
28th Jul 2025489 PMAQI
28th Jul 20254810 PMAQI
28th Jul 20254411 PMAQI
29th Jul 20254312 AMAQI
29th Jul 2025471 AMAQI
29th Jul 2025472 AMAQI
29th Jul 2025453 AMAQI
29th Jul 2025434 AMAQI
28°C25/31°C
29th Jul 2025445 AMAQI
29th Jul 2025446 AMAQI
29th Jul 2025447 AMAQI
29th Jul 2025478 AMAQI
29th Jul 2025389 AMAQI
29th Jul 20254410 AMAQI
29th Jul 20255011 AMAQI
29th Jul 20255212 PMAQI
29th Jul 2025481 PMAQI
29th Jul 2025502 PMAQI
29th Jul 2025463 PMAQI
29th Jul 2025524 PMAQI
29th Jul 2025525 PMAQI
29th Jul 2025456 PMAQI
29th Jul 2025427 PMAQI
29th Jul 2025478 PMAQI
29th Jul 2025449 PMAQI
29th Jul 20254610 PMAQI
29th Jul 20254311 PMAQI
30th Jul 20254412 AMAQI
30th Jul 2025461 AMAQI
30th Jul 2025462 AMAQI
30th Jul 2025463 AMAQI
30th Jul 2025464 AMAQI
29°C24/34°C
30th Jul 2025465 AMAQI
30th Jul 2025466 AMAQI
30th Jul 2025467 AMAQI
30th Jul 2025268 AMAQI
30th Jul 2025199 AMAQI
30th Jul 20252110 AMAQI
30th Jul 20251711 AMAQI
30th Jul 20252012 PMAQI
30th Jul 2025201 PMAQI
30th Jul 2025202 PMAQI
30th Jul 2025193 PMAQI
30th Jul 2025184 PMAQI
30th Jul 2025185 PMAQI
30th Jul 2025166 PMAQI
30th Jul 2025257 PMAQI
30th Jul 2025328 PMAQI
30th Jul 2025329 PMAQI
30th Jul 20253210 PMAQI
30th Jul 20253211 PMAQI
31st Jul 20253112 AMAQI
31st Jul 2025331 AMAQI
31st Jul 2025332 AMAQI
31st Jul 2025343 AMAQI
31st Jul 2025354 AMAQI
24°C22/25°C
31st Jul 2025355 AMAQI
31st Jul 2025356 AMAQI
31st Jul 2025357 AMAQI
31st Jul 2025358 AMAQI
31st Jul 2025359 AMAQI
31st Jul 20252010 AMAQI
31st Jul 20251811 AMAQI
31st Jul 20251812 PMAQI
31st Jul 2025181 PMAQI
31st Jul 2025232 PMAQI
31st Jul 2025243 PMAQI
31st Jul 2025274 PMAQI
31st Jul 2025325 PMAQI
31st Jul 2025276 PMAQI
31st Jul 2025397 PMAQI
31st Jul 2025528 PMAQI
31st Jul 2025519 PMAQI
31st Jul 20255210 PMAQI
31st Jul 20255311 PMAQI
1st Aug 20254912 AMAQI
1st Aug 2025481 AMAQI
1st Aug 2025462 AMAQI
1st Aug 2025443 AMAQI
1st Aug 2025444 AMAQI
24°C23/25°C
1st Aug 2025445 AMAQI
1st Aug 2025466 AMAQI
1st Aug 2025487 AMAQI
1st Aug 2025628 AMAQI
1st Aug 2025679 AMAQI
1st Aug 20256310 AMAQI
1st Aug 20256211 AMAQI
1st Aug 20256412 PMAQI
1st Aug 2025621 PMAQI
1st Aug 2025622 PMAQI
1st Aug 2025583 PMAQI
1st Aug 2025544 PMAQI
1st Aug 2025545 PMAQI
1st Aug 2025556 PMAQI
1st Aug 2025547 PMAQI
1st Aug 2025528 PMAQI
1st Aug 2025489 PMAQI
1st Aug 20254810 PMAQI
1st Aug 20254711 PMAQI
2nd Aug 20254612 AMAQI
2nd Aug 2025501 AMAQI
2nd Aug 2025492 AMAQI
2nd Aug 2025513 AMAQI
2nd Aug 2025534 AMAQI
27°C25/31°C
2nd Aug 2025535 AMAQI
2nd Aug 2025536 AMAQI
2nd Aug 2025537 AMAQI
2nd Aug 2025588 AMAQI
2nd Aug 2025569 AMAQI
2nd Aug 20256210 AMAQI
2nd Aug 20255111 AMAQI
2nd Aug 20255812 PMAQI
2nd Aug 2025591 PMAQI
2nd Aug 2025632 PMAQI
2nd Aug 2025643 PMAQI
2nd Aug 2025564 PMAQI
2nd Aug 2025535 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025557 PMAQI
2nd Aug 2025548 PMAQI
2nd Aug 2025559 PMAQI
2nd Aug 20255310 PMAQI
2nd Aug 20255311 PMAQI
3rd Aug 20255112 AMAQI
3rd Aug 2025521 AMAQI
3rd Aug 2025522 AMAQI
3rd Aug 2025533 AMAQI
3rd Aug 2025544 AMAQI
27°C25/31°C
3rd Aug 2025545 AMAQI
3rd Aug 2025546 AMAQI
3rd Aug 2025537 AMAQI
3rd Aug 2025608 AMAQI
3rd Aug 2025609 AMAQI
3rd Aug 20256210 AMAQI
3rd Aug 20256611 AMAQI
3rd Aug 20256512 PMAQI
3rd Aug 2025541 PMAQI
3rd Aug 2025542 PMAQI
3rd Aug 2025543 PMAQI
3rd Aug 2025514 PMAQI
3rd Aug 2025515 PMAQI
3rd Aug 2025496 PMAQI
3rd Aug 2025517 PMAQI
3rd Aug 2025538 PMAQI
3rd Aug 2025569 PMAQI
3rd Aug 20255510 PMAQI
3rd Aug 20255511 PMAQI
4th Aug 20255412 AMAQI
4th Aug 2025541 AMAQI
4th Aug 2025542 AMAQI
4th Aug 2025533 AMAQI
4th Aug 2025544 AMAQI
29°C25/32°C
4th Aug 2025545 AMAQI
4th Aug 2025546 AMAQI
4th Aug 2025547 AMAQI
4th Aug 2025668 AMAQI
4th Aug 2025699 AMAQI
4th Aug 20256510 AMAQI
4th Aug 20256111 AMAQI
4th Aug 20256012 PMAQI
4th Aug 2025601 PMAQI
4th Aug 2025562 PMAQI
4th Aug 2025563 PMAQI
4th Aug 2025574 PMAQI
4th Aug 2025545 PMAQI
4th Aug 2025606 PMAQI
4th Aug 2025567 PMAQI
4th Aug 2025558 PMAQI
4th Aug 2025569 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20255211 PMAQI
5th Aug 20255512 AMAQI
5th Aug 2025541 AMAQI
5th Aug 2025542 AMAQI
5th Aug 2025543 AMAQI
5th Aug 2025564 AMAQI
30°C26/34°C
5th Aug 2025565 AMAQI
5th Aug 2025566 AMAQI
5th Aug 2025567 AMAQI
5th Aug 2025608 AMAQI
5th Aug 2025599 AMAQI
5th Aug 20256210 AMAQI
5th Aug 20257611 AMAQI
5th Aug 20255812 PMAQI
5th Aug 2025601 PMAQI
5th Aug 2025612 PMAQI
5th Aug 2025663 PMAQI
5th Aug 2025614 PMAQI
5th Aug 2025655 PMAQI
5th Aug 2025626 PMAQI
5th Aug 2025567 PMAQI
5th Aug 2025588 PMAQI
5th Aug 2025599 PMAQI
5th Aug 20255910 PMAQI
5th Aug 20256011 PMAQI
6th Aug 20256012 AMAQI
--°C/°C
5 AM
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 7 AM
56AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
8 AM - 7 PM
48AQI
12 hours / Day
360 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 AM (Avg. 56), while the lowest AQI was between 8 AM to 7 PM (Avg. 48).
Night time
Avg. Highest Time
1 AM - 4 AM
56AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
12 AM
53AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 4 AM (Avg. 56), while the lowest AQI was between 12 AM to 12 AM (Avg. 53).
2025 Days Vs Air Quality
Wujin Monitoring Station, Changzhou, Jiangsu, China
2025
11%
23
58%
126
27%
58
4%
9
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
23 DaysModerate
126 DaysPoor
58 DaysUnhealthy
9 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 11%
Health Risk Level:
Extreme
In 2025, 11% of 217 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
Wujin Monitoring Station, Changzhou, Jiangsu, 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
139AQI
139AQI
2nd January 2025
129AQI
129AQI
3rd January 2025
139AQI
139AQI
4th January 2025
128AQI
128AQI
5th January 2025
152AQI
152AQI
6th January 2025
131AQI
131AQI
7th January 2025
125AQI
125AQI
8th January 2025
129AQI
129AQI
9th January 2025
76AQI
76AQI
10th January 2025
95AQI
95AQI
11th January 2025
117AQI
117AQI
12th January 2025
103AQI
103AQI
13th January 2025
138AQI
138AQI
14th January 2025
150AQI
150AQI
15th January 2025
85AQI
85AQI
16th January 2025
124AQI
124AQI
17th January 2025
122AQI
122AQI
18th January 2025
140AQI
140AQI
19th January 2025
152AQI
152AQI
20th January 2025
171AQI
171AQI
21st January 2025
174AQI
174AQI
22nd January 2025
156AQI
156AQI
23rd January 2025
129AQI
129AQI
24th January 2025
104AQI
104AQI
25th January 2025
86AQI
86AQI
26th January 2025
98AQI
98AQI
27th January 2025
68AQI
68AQI
28th January 2025
84AQI
84AQI
29th January 2025
115AQI
115AQI
30th January 2025
108AQI
108AQI
31st January 2025
126AQI
126AQI
1st February 2025
77AQI
77AQI
2nd February 2025
130AQI
130AQI
3rd February 2025
110AQI
110AQI
4th February 2025
121AQI
121AQI
5th February 2025
97AQI
97AQI
6th February 2025
91AQI
91AQI
7th February 2025
69AQI
69AQI
8th February 2025
64AQI
64AQI
9th February 2025
79AQI
79AQI
10th February 2025
102AQI
102AQI
11th February 2025
84AQI
84AQI
12th February 2025
143AQI
143AQI
13th February 2025
104AQI
104AQI
14th February 2025
120AQI
120AQI
15th February 2025
104AQI
104AQI
16th February 2025
147AQI
147AQI
17th February 2025
96AQI
96AQI
18th February 2025
101AQI
101AQI
19th February 2025
101AQI
101AQI
20th February 2025
78AQI
78AQI
21st February 2025
83AQI
83AQI
22nd February 2025
112AQI
112AQI
23rd February 2025
118AQI
118AQI
24th February 2025
132AQI
132AQI
25th February 2025
151AQI
151AQI
26th February 2025
151AQI
151AQI
27th February 2025
162AQI
162AQI
28th February 2025
146AQI
146AQI
1st March 2025
121AQI
121AQI
2nd March 2025
118AQI
118AQI
3rd March 2025
71AQI
71AQI
4th March 2025
80AQI
80AQI
5th March 2025
81AQI
81AQI
6th March 2025
90AQI
90AQI
7th March 2025
110AQI
110AQI
8th March 2025
135AQI
135AQI
9th March 2025
102AQI
102AQI
10th March 2025
130AQI
130AQI
11th March 2025
131AQI
131AQI
12th March 2025
133AQI
133AQI
13th March 2025
95AQI
95AQI
14th March 2025
88AQI
88AQI
15th March 2025
77AQI
77AQI
16th March 2025
79AQI
79AQI
17th March 2025
74AQI
74AQI
18th March 2025
68AQI
68AQI
19th March 2025
96AQI
96AQI
20th March 2025
94AQI
94AQI
21st March 2025
86AQI
86AQI
22nd March 2025
88AQI
88AQI
23rd March 2025
98AQI
98AQI
24th March 2025
95AQI
95AQI
25th March 2025
97AQI
97AQI
26th March 2025
117AQI
117AQI
27th March 2025
110AQI
110AQI
28th March 2025
89AQI
89AQI
29th March 2025
101AQI
101AQI
30th March 2025
83AQI
83AQI
31st March 2025
72AQI
72AQI
1st April 2025
76AQI
76AQI
2nd April 2025
98AQI
98AQI
3rd April 2025
78AQI
78AQI
4th April 2025
99AQI
99AQI
5th April 2025
103AQI
103AQI
6th April 2025
112AQI
112AQI
7th April 2025
114AQI
114AQI
8th April 2025
105AQI
105AQI
9th April 2025
120AQI
120AQI
10th April 2025
136AQI
136AQI
11th April 2025
127AQI
127AQI
12th April 2025
174AQI
174AQI
13th April 2025
106AQI
106AQI
14th April 2025
91AQI
91AQI
15th April 2025
79AQI
79AQI
16th April 2025
80AQI
80AQI
17th April 2025
88AQI
88AQI
18th April 2025
98AQI
98AQI
19th April 2025
122AQI
122AQI
20th April 2025
83AQI
83AQI
21st April 2025
113AQI
113AQI
22nd April 2025
92AQI
92AQI
23rd April 2025
101AQI
101AQI
24th April 2025
106AQI
106AQI
25th April 2025
75AQI
75AQI
26th April 2025
70AQI
70AQI
27th April 2025
76AQI
76AQI
28th April 2025
85AQI
85AQI
29th April 2025
83AQI
83AQI
30th April 2025
88AQI
88AQI
1st May 2025
77AQI
77AQI
2nd May 2025
78AQI
78AQI
3rd May 2025
72AQI
72AQI
4th May 2025
62AQI
62AQI
5th May 2025
75AQI
75AQI
6th May 2025
97AQI
97AQI
7th May 2025
93AQI
93AQI
8th May 2025
74AQI
74AQI
9th May 2025
54AQI
54AQI
10th May 2025
64AQI
64AQI
11th May 2025
69AQI
69AQI
12th May 2025
72AQI
72AQI
13th May 2025
80AQI
80AQI
14th May 2025
85AQI
85AQI
15th May 2025
132AQI
132AQI
16th May 2025
73AQI
73AQI
17th May 2025
95AQI
95AQI
18th May 2025
82AQI
82AQI
19th May 2025
97AQI
97AQI
20th May 2025
81AQI
81AQI
21st May 2025
66AQI
66AQI
22nd May 2025
91AQI
91AQI
23rd May 2025
61AQI
61AQI
24th May 2025
87AQI
87AQI
25th May 2025
94AQI
94AQI
26th May 2025
83AQI
83AQI
27th May 2025
74AQI
74AQI
28th May 2025
78AQI
78AQI
29th May 2025
87AQI
87AQI
30th May 2025
84AQI
84AQI
31st May 2025
91AQI
91AQI
1st June 2025
53AQI
53AQI
2nd June 2025
50AQI
50AQI
3rd June 2025
76AQI
76AQI
4th June 2025
89AQI
89AQI
5th June 2025
77AQI
77AQI
6th June 2025
74AQI
74AQI
7th June 2025
79AQI
79AQI
8th June 2025
52AQI
52AQI
9th June 2025
73AQI
73AQI
10th June 2025
74AQI
74AQI
11th June 2025
71AQI
71AQI
12th June 2025
70AQI
70AQI
13th June 2025
50AQI
50AQI
14th June 2025
62AQI
62AQI
15th June 2025
43AQI
43AQI
16th June 2025
52AQI
52AQI
17th June 2025
59AQI
59AQI
18th June 2025
65AQI
65AQI
19th June 2025
52AQI
52AQI
20th June 2025
49AQI
49AQI
21st June 2025
43AQI
43AQI
22nd June 2025
32AQI
32AQI
23rd June 2025
49AQI
49AQI
24th June 2025
52AQI
52AQI
25th June 2025
62AQI
62AQI
26th June 2025
67AQI
67AQI
27th June 2025
56AQI
56AQI
28th June 2025
51AQI
51AQI
29th June 2025
49AQI
49AQI
30th June 2025
61AQI
61AQI
1st July 2025
54AQI
54AQI
2nd July 2025
57AQI
57AQI
3rd July 2025
63AQI
63AQI
4th July 2025
70AQI
70AQI
5th July 2025
72AQI
72AQI
6th July 2025
74AQI
74AQI
7th July 2025
59AQI
59AQI
8th July 2025
47AQI
47AQI
9th July 2025
49AQI
49AQI
10th July 2025
72AQI
72AQI
11th July 2025
59AQI
59AQI
12th July 2025
56AQI
56AQI
13th July 2025
65AQI
65AQI
14th July 2025
64AQI
64AQI
15th July 2025
68AQI
68AQI
16th July 2025
67AQI
67AQI
17th July 2025
61AQI
61AQI
18th July 2025
63AQI
63AQI
19th July 2025
50AQI
50AQI
20th July 2025
45AQI
45AQI
21st July 2025
42AQI
42AQI
22nd July 2025
43AQI
43AQI
23rd July 2025
40AQI
40AQI
24th July 2025
48AQI
48AQI
25th July 2025
50AQI
50AQI
26th July 2025
38AQI
38AQI
27th July 2025
40AQI
40AQI
28th July 2025
40AQI
40AQI
29th July 2025
46AQI
46AQI
30th July 2025
32AQI
32AQI
31st July 2025
34AQI
34AQI
1st August 2025
52AQI
52AQI
2nd August 2025
54AQI
54AQI
3rd August 2025
55AQI
55AQI
4th August 2025
56AQI
56AQI
122AQI
110AQI
97AQI
99AQI
81AQI
60AQI
54AQI
54AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202588AQI
7
19
5
10
15
3
20
11
17
12
1
30
1
8
22
15
16
4
23
126
58
9
Highest AQI recorded in
January122AQI
Lowest AQI recorded in
July54AQI
202486AQI
9
6
15
1
2
14
9
2
2
9
18
4
23
7
28
3
7
21
2
16
15
5
26
11
18
1
10
15
6
3
17
9
1
7
22
2
54
202
83
24
3
Highest AQI recorded in
January134AQI
Lowest AQI recorded in
July51AQI
202392AQI
2
11
13
5
13
13
2
1
15
14
1
13
15
2
2
20
9
5
19
6
13
18
6
24
1
8
18
4
7
11
11
2
9
14
3
1
8
10
12
45
179
110
27
Highest AQI recorded in
December128AQI
Lowest AQI recorded in
July53AQI
202294AQI
6
14
11
5
11
5
2
12
13
4
11
6
18
11
2
4
19
7
5
16
1
9
15
4
8
22
1
1
22
6
1
14
13
4
29
160
87
27
Highest AQI recorded in
January133AQI
Lowest AQI recorded in
October65AQI
2021100AQI
4
18
9
12
12
4
6
17
8
14
13
3
1
17
12
1
26
4
7
23
1
2
15
4
5
18
7
7
17
6
1
15
14
1
1
6
13
10
23
173
121
37
Highest AQI recorded in
January134AQI
Lowest AQI recorded in
July64AQI
202098AQI
1
7
4
1
5
14
2
6
11
1
1
25
4
2
23
6
2
24
5
19
10
1
17
14
15
12
3
6
13
11
1
6
147
93
19
1
Highest AQI recorded in
December138AQI
Lowest AQI recorded in
August76AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
100AQILeast Polluted Year Recorded
2024(Avg.)
86AQIWujin Monitoring Station's annual 2025 AQI (88) shows an average percentage change of -5.9% (improved AQI) compared to previous years: 2020 (98), 2021 (100), 2022 (94), 2023 (92), 2024 (86).
