Changshu, 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+
September Air Quality Analysis
Changshu, Jiangsu, China
2021
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Sep 2021
124AQILowest AQI recorded on
13th Sep 2021
15AQISame Day Analysis (16th September ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 60 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 16th Sep - 17th Sep 2025
Changshu, Jiangsu, China
AQI
Day
Night
.
5 AM16th Sep 2025
6 PM
4 AM17th Sep 2025
Day time
Avg. Highest Time
1PM16th Sep
75AQI
Avg. Lowest Time
9AM16th Sep
55AQI
Night time
Avg. Highest Time
7PM16th Sep
66AQI
Avg. Lowest Time
1AM17th Sep
58AQI
In the last 24 hours,
Changshu's AQI reached its highest point of 75 at 1 PM during the Day, while the lowest point, 55, was recorded at 9 AM during the Day between 16th Sep and 17th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Changshu, Jiangsu, China
AugSep
18th - 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 - 16th16th - 17th17th
Day
Night
18th Aug 2025515 AMAQI
18th Aug 2025536 AMAQI
18th Aug 2025527 AMAQI
18th Aug 2025528 AMAQI
18th Aug 2025499 AMAQI
18th Aug 20255110 AMAQI
18th Aug 20255511 AMAQI
18th Aug 20255212 PMAQI
18th Aug 2025531 PMAQI
18th Aug 2025542 PMAQI
18th Aug 2025543 PMAQI
18th Aug 2025534 PMAQI
18th Aug 2025545 PMAQI
18th Aug 2025576 PMAQI
18th Aug 2025567 PMAQI
18th Aug 2025548 PMAQI
18th Aug 2025539 PMAQI
18th Aug 20255210 PMAQI
18th Aug 20255411 PMAQI
19th Aug 20255112 AMAQI
19th Aug 2025521 AMAQI
19th Aug 2025522 AMAQI
19th Aug 2025513 AMAQI
19th Aug 2025514 AMAQI
29°C25/34°C
19th Aug 2025525 AMAQI
19th Aug 2025506 AMAQI
19th Aug 2025517 AMAQI
19th Aug 2025508 AMAQI
19th Aug 2025569 AMAQI
19th Aug 20255210 AMAQI
19th Aug 20256011 AMAQI
19th Aug 20256212 PMAQI
19th Aug 2025601 PMAQI
19th Aug 2025612 PMAQI
19th Aug 2025633 PMAQI
19th Aug 2025584 PMAQI
19th Aug 2025605 PMAQI
19th Aug 2025606 PMAQI
19th Aug 2025567 PMAQI
19th Aug 2025548 PMAQI
19th Aug 2025599 PMAQI
19th Aug 20256010 PMAQI
19th Aug 20255711 PMAQI
20th Aug 20255412 AMAQI
20th Aug 2025511 AMAQI
20th Aug 2025512 AMAQI
20th Aug 2025533 AMAQI
20th Aug 2025544 AMAQI
30°C26/36°C
20th Aug 2025545 AMAQI
20th Aug 2025546 AMAQI
20th Aug 2025547 AMAQI
20th Aug 2025578 AMAQI
20th Aug 2025599 AMAQI
20th Aug 20256310 AMAQI
20th Aug 20256111 AMAQI
20th Aug 20256412 PMAQI
20th Aug 2025651 PMAQI
20th Aug 2025642 PMAQI
20th Aug 2025593 PMAQI
20th Aug 2025604 PMAQI
20th Aug 2025635 PMAQI
20th Aug 2025666 PMAQI
20th Aug 2025627 PMAQI
20th Aug 2025598 PMAQI
20th Aug 2025609 PMAQI
20th Aug 20256010 PMAQI
20th Aug 20256011 PMAQI
21st Aug 20255812 AMAQI
21st Aug 2025531 AMAQI
21st Aug 2025532 AMAQI
21st Aug 2025543 AMAQI
21st Aug 2025554 AMAQI
30°C26/35°C
21st Aug 2025565 AMAQI
21st Aug 2025556 AMAQI
21st Aug 2025567 AMAQI
21st Aug 2025708 AMAQI
21st Aug 2025639 AMAQI
21st Aug 20256710 AMAQI
21st Aug 20256211 AMAQI
21st Aug 20256012 PMAQI
21st Aug 2025621 PMAQI
21st Aug 2025702 PMAQI
21st Aug 2025723 PMAQI
21st Aug 2025694 PMAQI
21st Aug 2025865 PMAQI
21st Aug 2025816 PMAQI
21st Aug 2025667 PMAQI
21st Aug 2025668 PMAQI
21st Aug 2025639 PMAQI
21st Aug 20256410 PMAQI
21st Aug 20256011 PMAQI
22nd Aug 20255812 AMAQI
22nd Aug 2025531 AMAQI
22nd Aug 2025542 AMAQI
22nd Aug 2025563 AMAQI
22nd Aug 2025574 AMAQI
30°C26/36°C
22nd Aug 2025575 AMAQI
22nd Aug 2025576 AMAQI
22nd Aug 2025577 AMAQI
22nd Aug 2025548 AMAQI
22nd Aug 2025549 AMAQI
22nd Aug 20255610 AMAQI
22nd Aug 20255511 AMAQI
22nd Aug 20255912 PMAQI
22nd Aug 2025541 PMAQI
22nd Aug 2025602 PMAQI
22nd Aug 2025583 PMAQI
22nd Aug 2025554 PMAQI
22nd Aug 2025565 PMAQI
22nd Aug 2025586 PMAQI
22nd Aug 2025627 PMAQI
22nd Aug 2025598 PMAQI
22nd Aug 2025639 PMAQI
22nd Aug 20256510 PMAQI
22nd Aug 20256511 PMAQI
23rd Aug 20255612 AMAQI
23rd Aug 2025551 AMAQI
23rd Aug 2025562 AMAQI
23rd Aug 2025563 AMAQI
23rd Aug 2025554 AMAQI
30°C26/36°C
23rd Aug 2025555 AMAQI
23rd Aug 2025556 AMAQI
23rd Aug 2025567 AMAQI
23rd Aug 2025578 AMAQI
23rd Aug 2025609 AMAQI
23rd Aug 20256110 AMAQI
23rd Aug 20255911 AMAQI
23rd Aug 20255812 PMAQI
23rd Aug 2025631 PMAQI
23rd Aug 2025572 PMAQI
23rd Aug 2025503 PMAQI
23rd Aug 2025524 PMAQI
23rd Aug 2025525 PMAQI
23rd Aug 2025496 PMAQI
23rd Aug 2025547 PMAQI
23rd Aug 2025568 PMAQI
23rd Aug 2025549 PMAQI
23rd Aug 20255610 PMAQI
23rd Aug 20255811 PMAQI
24th Aug 20255612 AMAQI
24th Aug 2025551 AMAQI
24th Aug 2025562 AMAQI
24th Aug 2025563 AMAQI
24th Aug 2025564 AMAQI
30°C27/35°C
24th Aug 2025575 AMAQI
24th Aug 2025576 AMAQI
24th Aug 2025567 AMAQI
24th Aug 2025568 AMAQI
24th Aug 2025609 AMAQI
24th Aug 20255710 AMAQI
24th Aug 20255811 AMAQI
24th Aug 20255212 PMAQI
24th Aug 2025561 PMAQI
24th Aug 2025542 PMAQI
24th Aug 2025503 PMAQI
24th Aug 2025484 PMAQI
24th Aug 2025565 PMAQI
24th Aug 2025546 PMAQI
24th Aug 2025567 PMAQI
24th Aug 2025588 PMAQI
24th Aug 2025599 PMAQI
24th Aug 20255610 PMAQI
24th Aug 20255511 PMAQI
25th Aug 20255312 AMAQI
25th Aug 2025561 AMAQI
25th Aug 2025572 AMAQI
25th Aug 2025563 AMAQI
25th Aug 2025554 AMAQI
31°C27/36°C
25th Aug 2025575 AMAQI
25th Aug 2025576 AMAQI
25th Aug 2025577 AMAQI
25th Aug 2025548 AMAQI
25th Aug 2025549 AMAQI
25th Aug 20256110 AMAQI
25th Aug 20256811 AMAQI
25th Aug 20257012 PMAQI
25th Aug 2025641 PMAQI
25th Aug 2025652 PMAQI
25th Aug 2025623 PMAQI
25th Aug 2025574 PMAQI
25th Aug 2025605 PMAQI
25th Aug 2025576 PMAQI
25th Aug 2025547 PMAQI
25th Aug 2025558 PMAQI
25th Aug 2025549 PMAQI
25th Aug 20255310 PMAQI
25th Aug 20255311 PMAQI
26th Aug 20255412 AMAQI
26th Aug 2025551 AMAQI
26th Aug 2025552 AMAQI
26th Aug 2025573 AMAQI
26th Aug 2025584 AMAQI
30°C24/37°C
26th Aug 2025685 AMAQI
26th Aug 2025586 AMAQI
26th Aug 2025567 AMAQI
26th Aug 2025528 AMAQI
26th Aug 2025469 AMAQI
26th Aug 20254710 AMAQI
26th Aug 20255611 AMAQI
26th Aug 20255612 PMAQI
26th Aug 2025561 PMAQI
26th Aug 2025572 PMAQI
26th Aug 2025593 PMAQI
26th Aug 2025594 PMAQI
26th Aug 2025575 PMAQI
26th Aug 2025606 PMAQI
26th Aug 2025607 PMAQI
26th Aug 2025608 PMAQI
26th Aug 2025609 PMAQI
26th Aug 20256010 PMAQI
26th Aug 20255911 PMAQI
27th Aug 20255912 AMAQI
27th Aug 2025571 AMAQI
27th Aug 2025572 AMAQI
27th Aug 2025563 AMAQI
27th Aug 2025564 AMAQI
29°C25/34°C
27th Aug 2025565 AMAQI
27th Aug 2025566 AMAQI
27th Aug 2025567 AMAQI
27th Aug 2025628 AMAQI
27th Aug 2025669 AMAQI
27th Aug 20256610 AMAQI
27th Aug 20256111 AMAQI
27th Aug 20255512 PMAQI
27th Aug 2025531 PMAQI
27th Aug 2025502 PMAQI
27th Aug 2025533 PMAQI
27th Aug 2025464 PMAQI
27th Aug 2025465 PMAQI
27th Aug 2025526 PMAQI
27th Aug 2025547 PMAQI
27th Aug 2025588 PMAQI
27th Aug 2025589 PMAQI
27th Aug 20255810 PMAQI
27th Aug 20255411 PMAQI
28th Aug 20255512 AMAQI
28th Aug 2025561 AMAQI
28th Aug 2025572 AMAQI
28th Aug 2025573 AMAQI
28th Aug 2025584 AMAQI
30°C25/35°C
28th Aug 2025595 AMAQI
28th Aug 2025586 AMAQI
28th Aug 2025607 AMAQI
28th Aug 2025468 AMAQI
28th Aug 2025479 AMAQI
28th Aug 20254610 AMAQI
28th Aug 20254011 AMAQI
28th Aug 20254912 PMAQI
28th Aug 2025441 PMAQI
28th Aug 2025452 PMAQI
28th Aug 2025493 PMAQI
28th Aug 2025524 PMAQI
28th Aug 2025535 PMAQI
28th Aug 2025516 PMAQI
28th Aug 2025557 PMAQI
28th Aug 2025588 PMAQI
28th Aug 2025569 PMAQI
28th Aug 20255810 PMAQI
28th Aug 20255911 PMAQI
29th Aug 20255712 AMAQI
29th Aug 2025571 AMAQI
29th Aug 2025572 AMAQI
29th Aug 2025573 AMAQI
29th Aug 2025564 AMAQI
30°C26/35°C
29th Aug 2025575 AMAQI
29th Aug 2025566 AMAQI
29th Aug 2025577 AMAQI
29th Aug 2025518 AMAQI
29th Aug 2025509 AMAQI
29th Aug 20255110 AMAQI
29th Aug 20255611 AMAQI
29th Aug 20255412 PMAQI
29th Aug 2025531 PMAQI
29th Aug 2025542 PMAQI
29th Aug 2025523 PMAQI
29th Aug 2025504 PMAQI
29th Aug 2025525 PMAQI
29th Aug 2025566 PMAQI
29th Aug 2025567 PMAQI
29th Aug 2025578 PMAQI
29th Aug 2025559 PMAQI
29th Aug 20255310 PMAQI
29th Aug 20255411 PMAQI
30th Aug 20255412 AMAQI
30th Aug 2025571 AMAQI
30th Aug 2025562 AMAQI
30th Aug 2025563 AMAQI
30th Aug 2025574 AMAQI
30°C26/35°C
30th Aug 2025565 AMAQI
30th Aug 2025566 AMAQI
30th Aug 2025567 AMAQI
30th Aug 2025478 AMAQI
30th Aug 2025329 AMAQI
30th Aug 20254010 AMAQI
30th Aug 20254211 AMAQI
30th Aug 20254712 PMAQI
30th Aug 2025501 PMAQI
30th Aug 2025522 PMAQI
30th Aug 2025563 PMAQI
30th Aug 2025494 PMAQI
30th Aug 2025525 PMAQI
30th Aug 2025506 PMAQI
30th Aug 2025527 PMAQI
30th Aug 2025538 PMAQI
30th Aug 2025549 PMAQI
30th Aug 20255210 PMAQI
30th Aug 20255211 PMAQI
31st Aug 20255212 AMAQI
31st Aug 2025561 AMAQI
31st Aug 2025572 AMAQI
31st Aug 2025553 AMAQI
31st Aug 2025554 AMAQI
30°C27/35°C
31st Aug 2025545 AMAQI
31st Aug 2025556 AMAQI
31st Aug 2025557 AMAQI
31st Aug 2025518 AMAQI
31st Aug 2025499 AMAQI
31st Aug 20255110 AMAQI
31st Aug 20255811 AMAQI
31st Aug 20255412 PMAQI
31st Aug 2025501 PMAQI
31st Aug 2025552 PMAQI
31st Aug 2025483 PMAQI
31st Aug 2025404 PMAQI
31st Aug 2025445 PMAQI
31st Aug 2025456 PMAQI
31st Aug 2025497 PMAQI
31st Aug 2025538 PMAQI
31st Aug 2025529 PMAQI
31st Aug 20255210 PMAQI
31st Aug 20255311 PMAQI
1st Sep 20255212 AMAQI
1st Sep 2025521 AMAQI
1st Sep 2025532 AMAQI
1st Sep 2025533 AMAQI
1st Sep 2025544 AMAQI
28°C24/35°C
1st Sep 2025545 AMAQI
1st Sep 2025546 AMAQI
1st Sep 2025557 AMAQI
1st Sep 2025568 AMAQI
1st Sep 2025619 AMAQI
1st Sep 20255910 AMAQI
1st Sep 20256011 AMAQI
1st Sep 20256012 PMAQI
1st Sep 2025631 PMAQI
1st Sep 2025572 PMAQI
1st Sep 2025643 PMAQI
1st Sep 2025634 PMAQI
1st Sep 2025605 PMAQI
1st Sep 2025566 PMAQI
1st Sep 2025567 PMAQI
1st Sep 2025568 PMAQI
1st Sep 2025569 PMAQI
1st Sep 20255610 PMAQI
1st Sep 20255911 PMAQI
2nd Sep 20255612 AMAQI
2nd Sep 2025531 AMAQI
2nd Sep 2025542 AMAQI
2nd Sep 2025543 AMAQI
2nd Sep 2025564 AMAQI
27°C25/32°C
2nd Sep 2025565 AMAQI
2nd Sep 2025566 AMAQI
2nd Sep 2025557 AMAQI
2nd Sep 2025588 AMAQI
2nd Sep 2025609 AMAQI
2nd Sep 20255710 AMAQI
2nd Sep 20255311 AMAQI
2nd Sep 20255612 PMAQI
2nd Sep 2025541 PMAQI
2nd Sep 2025542 PMAQI
2nd Sep 2025543 PMAQI
2nd Sep 2025544 PMAQI
2nd Sep 2025525 PMAQI
2nd Sep 2025486 PMAQI
2nd Sep 2025537 PMAQI
2nd Sep 2025508 PMAQI
2nd Sep 2025499 PMAQI
2nd Sep 20255210 PMAQI
2nd Sep 20255211 PMAQI
3rd Sep 20255212 AMAQI
3rd Sep 2025541 AMAQI
3rd Sep 2025552 AMAQI
3rd Sep 2025553 AMAQI
3rd Sep 2025564 AMAQI
26°C24/30°C
3rd Sep 2025565 AMAQI
3rd Sep 2025566 AMAQI
3rd Sep 2025557 AMAQI
3rd Sep 2025618 AMAQI
3rd Sep 2025599 AMAQI
3rd Sep 20255910 AMAQI
3rd Sep 20256011 AMAQI
3rd Sep 20256012 PMAQI
3rd Sep 2025651 PMAQI
3rd Sep 2025682 PMAQI
3rd Sep 2025653 PMAQI
3rd Sep 2025624 PMAQI
3rd Sep 2025625 PMAQI
3rd Sep 2025606 PMAQI
3rd Sep 2025587 PMAQI
3rd Sep 2025588 PMAQI
3rd Sep 2025589 PMAQI
3rd Sep 20255610 PMAQI
3rd Sep 20255411 PMAQI
4th Sep 20255512 AMAQI
4th Sep 2025551 AMAQI
4th Sep 2025552 AMAQI
4th Sep 2025553 AMAQI
4th Sep 2025574 AMAQI
28°C24/33°C
4th Sep 2025565 AMAQI
4th Sep 2025566 AMAQI
4th Sep 2025567 AMAQI
4th Sep 2025748 AMAQI
4th Sep 2025709 AMAQI
4th Sep 20256510 AMAQI
4th Sep 20256811 AMAQI
4th Sep 20256212 PMAQI
4th Sep 2025701 PMAQI
4th Sep 2025682 PMAQI
4th Sep 2025663 PMAQI
4th Sep 2025834 PMAQI
4th Sep 2025755 PMAQI
4th Sep 2025786 PMAQI
4th Sep 2025797 PMAQI
4th Sep 2025728 PMAQI
4th Sep 2025689 PMAQI
4th Sep 20256710 PMAQI
4th Sep 20256711 PMAQI
5th Sep 20256512 AMAQI
5th Sep 2025561 AMAQI
5th Sep 2025562 AMAQI
5th Sep 2025583 AMAQI
5th Sep 2025574 AMAQI
28°C25/33°C
5th Sep 2025585 AMAQI
5th Sep 2025596 AMAQI
5th Sep 2025597 AMAQI
5th Sep 2025878 AMAQI
5th Sep 2025789 AMAQI
5th Sep 20257410 AMAQI
5th Sep 20257211 AMAQI
5th Sep 20257112 PMAQI
5th Sep 2025691 PMAQI
5th Sep 2025682 PMAQI
5th Sep 2025713 PMAQI
5th Sep 2025674 PMAQI
5th Sep 2025725 PMAQI
5th Sep 2025676 PMAQI
5th Sep 2025647 PMAQI
5th Sep 2025628 PMAQI
5th Sep 2025619 PMAQI
5th Sep 20255910 PMAQI
5th Sep 20255811 PMAQI
6th Sep 20255812 AMAQI
6th Sep 2025601 AMAQI
6th Sep 2025622 AMAQI
6th Sep 2025633 AMAQI
6th Sep 2025644 AMAQI
29°C26/35°C
6th Sep 2025625 AMAQI
6th Sep 2025646 AMAQI
6th Sep 2025637 AMAQI
6th Sep 2025648 AMAQI
6th Sep 2025549 AMAQI
6th Sep 20255610 AMAQI
6th Sep 20257011 AMAQI
6th Sep 20256412 PMAQI
6th Sep 2025811 PMAQI
6th Sep 2025732 PMAQI
6th Sep 2025723 PMAQI
6th Sep 2025734 PMAQI
6th Sep 2025735 PMAQI
6th Sep 2025646 PMAQI
6th Sep 2025617 PMAQI
6th Sep 2025678 PMAQI
6th Sep 2025699 PMAQI
6th Sep 20256410 PMAQI
6th Sep 20256511 PMAQI
7th Sep 20256512 AMAQI
7th Sep 2025621 AMAQI
7th Sep 2025612 AMAQI
7th Sep 2025613 AMAQI
7th Sep 2025624 AMAQI
30°C26/36°C
7th Sep 2025625 AMAQI
7th Sep 2025636 AMAQI
7th Sep 2025647 AMAQI
7th Sep 2025718 AMAQI
7th Sep 2025759 AMAQI
7th Sep 20257510 AMAQI
7th Sep 20256911 AMAQI
7th Sep 20257612 PMAQI
7th Sep 2025791 PMAQI
7th Sep 2025782 PMAQI
7th Sep 2025873 PMAQI
7th Sep 2025934 PMAQI
7th Sep 2025885 PMAQI
7th Sep 2025836 PMAQI
7th Sep 2025837 PMAQI
7th Sep 2025698 PMAQI
7th Sep 2025709 PMAQI
7th Sep 20257010 PMAQI
7th Sep 20256811 PMAQI
8th Sep 20256412 AMAQI
8th Sep 2025601 AMAQI
8th Sep 2025602 AMAQI
8th Sep 2025633 AMAQI
8th Sep 2025664 AMAQI
29°C26/33°C
8th Sep 2025665 AMAQI
8th Sep 2025656 AMAQI
8th Sep 2025657 AMAQI
8th Sep 2025638 AMAQI
8th Sep 2025659 AMAQI
8th Sep 20256510 AMAQI
8th Sep 20256811 AMAQI
8th Sep 20257112 PMAQI
8th Sep 2025581 PMAQI
8th Sep 2025552 PMAQI
8th Sep 2025563 PMAQI
8th Sep 2025534 PMAQI
8th Sep 2025545 PMAQI
8th Sep 2025546 PMAQI
8th Sep 2025547 PMAQI
8th Sep 2025598 PMAQI
8th Sep 2025589 PMAQI
8th Sep 20255510 PMAQI
8th Sep 20255811 PMAQI
9th Sep 20255612 AMAQI
9th Sep 2025621 AMAQI
9th Sep 2025632 AMAQI
9th Sep 2025643 AMAQI
9th Sep 2025644 AMAQI
29°C26/34°C
9th Sep 2025625 AMAQI
9th Sep 2025626 AMAQI
9th Sep 2025637 AMAQI
9th Sep 2025598 AMAQI
9th Sep 2025589 AMAQI
9th Sep 20255510 AMAQI
9th Sep 20254711 AMAQI
9th Sep 20255012 PMAQI
9th Sep 2025561 PMAQI
9th Sep 2025562 PMAQI
9th Sep 2025533 PMAQI
9th Sep 2025554 PMAQI
9th Sep 2025555 PMAQI
9th Sep 2025486 PMAQI
9th Sep 2025527 PMAQI
9th Sep 2025578 PMAQI
9th Sep 2025579 PMAQI
9th Sep 20255610 PMAQI
9th Sep 20255211 PMAQI
10th Sep 20256012 AMAQI
10th Sep 2025631 AMAQI
10th Sep 2025612 AMAQI
10th Sep 2025613 AMAQI
10th Sep 2025604 AMAQI
25°C24/29°C
10th Sep 2025605 AMAQI
10th Sep 2025606 AMAQI
10th Sep 2025607 AMAQI
10th Sep 2025398 AMAQI
10th Sep 2025389 AMAQI
10th Sep 20254010 AMAQI
10th Sep 20254311 AMAQI
10th Sep 20255212 PMAQI
10th Sep 2025541 PMAQI
10th Sep 2025522 PMAQI
10th Sep 2025503 PMAQI
10th Sep 2025524 PMAQI
10th Sep 2025505 PMAQI
10th Sep 2025516 PMAQI
10th Sep 2025567 PMAQI
10th Sep 2025568 PMAQI
10th Sep 2025589 PMAQI
10th Sep 20255710 PMAQI
10th Sep 20255811 PMAQI
11th Sep 20255812 AMAQI
11th Sep 2025591 AMAQI
11th Sep 2025582 AMAQI
11th Sep 2025583 AMAQI
11th Sep 2025584 AMAQI
25°C23/29°C
11th Sep 2025575 AMAQI
11th Sep 2025576 AMAQI
11th Sep 2025577 AMAQI
11th Sep 2025558 AMAQI
11th Sep 2025569 AMAQI
11th Sep 20255610 AMAQI
11th Sep 20255711 AMAQI
11th Sep 20255712 PMAQI
11th Sep 2025561 PMAQI
11th Sep 2025562 PMAQI
11th Sep 2025563 PMAQI
11th Sep 2025544 PMAQI
11th Sep 2025585 PMAQI
11th Sep 2025576 PMAQI
11th Sep 2025567 PMAQI
11th Sep 2025578 PMAQI
11th Sep 2025579 PMAQI
11th Sep 20255610 PMAQI
11th Sep 20255811 PMAQI
12th Sep 20255712 AMAQI
12th Sep 2025571 AMAQI
12th Sep 2025582 AMAQI
12th Sep 2025583 AMAQI
12th Sep 2025574 AMAQI
26°C23/30°C
12th Sep 2025585 AMAQI
12th Sep 2025586 AMAQI
12th Sep 2025577 AMAQI
12th Sep 2025598 AMAQI
12th Sep 2025549 AMAQI
12th Sep 20255910 AMAQI
12th Sep 20256011 AMAQI
12th Sep 20256012 PMAQI
12th Sep 2025551 PMAQI
12th Sep 2025572 PMAQI
12th Sep 2025543 PMAQI
12th Sep 2025534 PMAQI
12th Sep 2025555 PMAQI
12th Sep 2025546 PMAQI
12th Sep 2025547 PMAQI
12th Sep 2025628 PMAQI
12th Sep 2025639 PMAQI
12th Sep 20255810 PMAQI
12th Sep 20255711 PMAQI
13th Sep 20255812 AMAQI
13th Sep 2025571 AMAQI
13th Sep 2025582 AMAQI
13th Sep 2025583 AMAQI
13th Sep 2025594 AMAQI
27°C24/33°C
13th Sep 2025585 AMAQI
13th Sep 2025586 AMAQI
13th Sep 2025587 AMAQI
13th Sep 2025608 AMAQI
13th Sep 2025629 AMAQI
13th Sep 20256310 AMAQI
13th Sep 20256011 AMAQI
13th Sep 20256912 PMAQI
13th Sep 2025701 PMAQI
13th Sep 2025652 PMAQI
13th Sep 2025663 PMAQI
13th Sep 2025504 PMAQI
13th Sep 2025495 PMAQI
13th Sep 2025526 PMAQI
13th Sep 2025567 PMAQI
13th Sep 2025598 PMAQI
13th Sep 2025599 PMAQI
13th Sep 20255710 PMAQI
13th Sep 20255911 PMAQI
14th Sep 20255612 AMAQI
14th Sep 2025581 AMAQI
14th Sep 2025582 AMAQI
14th Sep 2025593 AMAQI
14th Sep 2025594 AMAQI
27°C24/30°C
14th Sep 2025605 AMAQI
14th Sep 2025606 AMAQI
14th Sep 2025597 AMAQI
14th Sep 2025628 AMAQI
14th Sep 2025609 AMAQI
14th Sep 20256710 AMAQI
14th Sep 20256211 AMAQI
14th Sep 20255412 PMAQI
14th Sep 2025571 PMAQI
14th Sep 2025602 PMAQI
14th Sep 2025683 PMAQI
14th Sep 2025614 PMAQI
14th Sep 2025565 PMAQI
14th Sep 2025636 PMAQI
14th Sep 2025577 PMAQI
14th Sep 2025598 PMAQI
14th Sep 2025559 PMAQI
14th Sep 20255710 PMAQI
14th Sep 20255911 PMAQI
15th Sep 20255612 AMAQI
15th Sep 2025581 AMAQI
15th Sep 2025582 AMAQI
15th Sep 2025593 AMAQI
15th Sep 2025584 AMAQI
27°C25/31°C
15th Sep 2025585 AMAQI
15th Sep 2025586 AMAQI
15th Sep 2025577 AMAQI
15th Sep 2025608 AMAQI
15th Sep 2025579 AMAQI
15th Sep 20256510 AMAQI
15th Sep 20255611 AMAQI
15th Sep 20256212 PMAQI
15th Sep 2025611 PMAQI
15th Sep 2025652 PMAQI
15th Sep 2025633 PMAQI
15th Sep 2025624 PMAQI
15th Sep 2025625 PMAQI
15th Sep 2025666 PMAQI
15th Sep 2025677 PMAQI
15th Sep 2025628 PMAQI
15th Sep 2025629 PMAQI
15th Sep 20256310 PMAQI
15th Sep 20256311 PMAQI
16th Sep 20256212 AMAQI
16th Sep 2025581 AMAQI
16th Sep 2025582 AMAQI
16th Sep 2025583 AMAQI
16th Sep 2025594 AMAQI
28°C25/34°C
16th Sep 2025595 AMAQI
16th Sep 2025586 AMAQI
16th Sep 2025587 AMAQI
16th Sep 2025578 AMAQI
16th Sep 2025559 AMAQI
16th Sep 20255910 AMAQI
16th Sep 20256011 AMAQI
16th Sep 20257212 PMAQI
16th Sep 2025751 PMAQI
16th Sep 2025732 PMAQI
16th Sep 2025723 PMAQI
16th Sep 2025664 PMAQI
16th Sep 2025755 PMAQI
16th Sep 2025706 PMAQI
16th Sep 2025667 PMAQI
16th Sep 2025638 PMAQI
16th Sep 2025629 PMAQI
16th Sep 20256410 PMAQI
16th Sep 20256111 PMAQI
17th Sep 20256012 AMAQI
17th Sep 2025581 AMAQI
17th Sep 2025592 AMAQI
17th Sep 2025603 AMAQI
17th Sep 2025614 AMAQI
29°C25/36°C
17th Sep 2025625 AMAQI
5 AM17th Sep 2025626 AMAQI
17th Sep 2025627 AMAQI
17th Sep 2025758 AMAQI
17th Sep 2025849 AMAQI
17th Sep 20258310 AMAQI
17th Sep 20258111 AMAQI
11 AM17th Sep 20256512 PMAQI
17th Sep 2025591 PMAQI
17th Sep 2025552 PMAQI
17th Sep 2025573 PMAQI
17th Sep 2025574 PMAQI
17th Sep 2025595 PMAQI
17th Sep 2025586 PMAQI
6 PM11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
8 AM - 3 PM
59AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
5 AM - 7 AM
58AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 3 PM (Avg. 59), while the lowest AQI was between 5 AM to 7 AM (Avg. 58).
Night time
Avg. Highest Time
12 AM - 11 PM
58AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM - 11 PM
58AQI
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. 58), while the lowest AQI was between 12 AM to 11 PM (Avg. 58).
2025 Days Vs Air Quality
Changshu, Jiangsu, China
2025
9%
24
70%
182
18%
47
2%
6
Total number of days with different AQI categories in last 260 days in 2025 (105 days remaining)
Good
24 DaysModerate
182 DaysPoor
47 DaysUnhealthy
6 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 9%
Health Risk Level:
Extreme
In 2025, 9% of 260 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
Changshu, 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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
120AQI
120AQI
2nd January 2025
96AQI
96AQI
3rd January 2025
109AQI
109AQI
4th January 2025
90AQI
90AQI
5th January 2025
144AQI
144AQI
6th January 2025
125AQI
125AQI
7th January 2025
122AQI
122AQI
8th January 2025
126AQI
126AQI
9th January 2025
71AQI
71AQI
10th January 2025
88AQI
88AQI
11th January 2025
109AQI
109AQI
12th January 2025
113AQI
113AQI
13th January 2025
138AQI
138AQI
14th January 2025
151AQI
151AQI
15th January 2025
85AQI
85AQI
16th January 2025
113AQI
113AQI
17th January 2025
117AQI
117AQI
18th January 2025
128AQI
128AQI
19th January 2025
147AQI
147AQI
20th January 2025
170AQI
170AQI
21st January 2025
168AQI
168AQI
22nd January 2025
120AQI
120AQI
23rd January 2025
105AQI
105AQI
24th January 2025
87AQI
87AQI
25th January 2025
71AQI
71AQI
26th January 2025
86AQI
86AQI
27th January 2025
64AQI
64AQI
28th January 2025
82AQI
82AQI
29th January 2025
113AQI
113AQI
30th January 2025
96AQI
96AQI
31st January 2025
102AQI
102AQI
1st February 2025
64AQI
64AQI
2nd February 2025
114AQI
114AQI
3rd February 2025
105AQI
105AQI
4th February 2025
123AQI
123AQI
5th February 2025
102AQI
102AQI
6th February 2025
85AQI
85AQI
7th February 2025
74AQI
74AQI
8th February 2025
65AQI
65AQI
9th February 2025
80AQI
80AQI
10th February 2025
93AQI
93AQI
11th February 2025
71AQI
71AQI
12th February 2025
136AQI
136AQI
13th February 2025
78AQI
78AQI
14th February 2025
98AQI
98AQI
15th February 2025
79AQI
79AQI
16th February 2025
135AQI
135AQI
17th February 2025
82AQI
82AQI
18th February 2025
95AQI
95AQI
19th February 2025
82AQI
82AQI
20th February 2025
68AQI
68AQI
21st February 2025
71AQI
71AQI
22nd February 2025
98AQI
98AQI
23rd February 2025
109AQI
109AQI
24th February 2025
123AQI
123AQI
25th February 2025
148AQI
148AQI
26th February 2025
151AQI
151AQI
27th February 2025
161AQI
161AQI
28th February 2025
123AQI
123AQI
1st March 2025
113AQI
113AQI
2nd March 2025
108AQI
108AQI
3rd March 2025
68AQI
68AQI
4th March 2025
66AQI
66AQI
5th March 2025
61AQI
61AQI
6th March 2025
76AQI
76AQI
7th March 2025
84AQI
84AQI
8th March 2025
124AQI
124AQI
9th March 2025
84AQI
84AQI
10th March 2025
109AQI
109AQI
11th March 2025
105AQI
105AQI
12th March 2025
79AQI
79AQI
13th March 2025
79AQI
79AQI
14th March 2025
65AQI
65AQI
15th March 2025
65AQI
65AQI
16th March 2025
77AQI
77AQI
17th March 2025
74AQI
74AQI
18th March 2025
68AQI
68AQI
19th March 2025
86AQI
86AQI
20th March 2025
103AQI
103AQI
21st March 2025
89AQI
89AQI
22nd March 2025
94AQI
94AQI
23rd March 2025
99AQI
99AQI
24th March 2025
100AQI
100AQI
25th March 2025
107AQI
107AQI
26th March 2025
125AQI
125AQI
27th March 2025
105AQI
105AQI
28th March 2025
90AQI
90AQI
29th March 2025
99AQI
99AQI
30th March 2025
72AQI
72AQI
31st March 2025
73AQI
73AQI
1st April 2025
76AQI
76AQI
2nd April 2025
107AQI
107AQI
3rd April 2025
79AQI
79AQI
4th April 2025
91AQI
91AQI
5th April 2025
109AQI
109AQI
6th April 2025
109AQI
109AQI
7th April 2025
106AQI
106AQI
8th April 2025
110AQI
110AQI
9th April 2025
130AQI
130AQI
10th April 2025
122AQI
122AQI
11th April 2025
126AQI
126AQI
12th April 2025
160AQI
160AQI
13th April 2025
99AQI
99AQI
14th April 2025
84AQI
84AQI
15th April 2025
79AQI
79AQI
16th April 2025
79AQI
79AQI
17th April 2025
89AQI
89AQI
18th April 2025
97AQI
97AQI
19th April 2025
107AQI
107AQI
20th April 2025
77AQI
77AQI
21st April 2025
86AQI
86AQI
22nd April 2025
84AQI
84AQI
23rd April 2025
91AQI
91AQI
24th April 2025
109AQI
109AQI
25th April 2025
73AQI
73AQI
26th April 2025
72AQI
72AQI
27th April 2025
74AQI
74AQI
28th April 2025
79AQI
79AQI
29th April 2025
77AQI
77AQI
30th April 2025
85AQI
85AQI
1st May 2025
78AQI
78AQI
2nd May 2025
81AQI
81AQI
3rd May 2025
76AQI
76AQI
4th May 2025
59AQI
59AQI
5th May 2025
75AQI
75AQI
6th May 2025
95AQI
95AQI
7th May 2025
86AQI
86AQI
8th May 2025
73AQI
73AQI
9th May 2025
57AQI
57AQI
10th May 2025
66AQI
66AQI
11th May 2025
71AQI
71AQI
12th May 2025
76AQI
76AQI
13th May 2025
77AQI
77AQI
14th May 2025
79AQI
79AQI
15th May 2025
115AQI
115AQI
16th May 2025
71AQI
71AQI
17th May 2025
88AQI
88AQI
18th May 2025
74AQI
74AQI
19th May 2025
86AQI
86AQI
20th May 2025
79AQI
79AQI
21st May 2025
61AQI
61AQI
22nd May 2025
84AQI
84AQI
23rd May 2025
53AQI
53AQI
24th May 2025
90AQI
90AQI
25th May 2025
76AQI
76AQI
26th May 2025
82AQI
82AQI
27th May 2025
69AQI
69AQI
28th May 2025
72AQI
72AQI
29th May 2025
78AQI
78AQI
30th May 2025
86AQI
86AQI
31st May 2025
89AQI
89AQI
1st June 2025
61AQI
61AQI
2nd June 2025
49AQI
49AQI
3rd June 2025
77AQI
77AQI
4th June 2025
95AQI
95AQI
5th June 2025
75AQI
75AQI
6th June 2025
76AQI
76AQI
7th June 2025
75AQI
75AQI
8th June 2025
47AQI
47AQI
9th June 2025
65AQI
65AQI
10th June 2025
56AQI
56AQI
11th June 2025
61AQI
61AQI
12th June 2025
56AQI
56AQI
13th June 2025
44AQI
44AQI
14th June 2025
62AQI
62AQI
15th June 2025
50AQI
50AQI
16th June 2025
55AQI
55AQI
17th June 2025
63AQI
63AQI
18th June 2025
64AQI
64AQI
19th June 2025
60AQI
60AQI
20th June 2025
56AQI
56AQI
21st June 2025
53AQI
53AQI
22nd June 2025
42AQI
42AQI
23rd June 2025
46AQI
46AQI
24th June 2025
48AQI
48AQI
25th June 2025
58AQI
58AQI
26th June 2025
58AQI
58AQI
27th June 2025
55AQI
55AQI
28th June 2025
53AQI
53AQI
29th June 2025
55AQI
55AQI
30th June 2025
55AQI
55AQI
1st July 2025
52AQI
52AQI
2nd July 2025
56AQI
56AQI
3rd July 2025
57AQI
57AQI
4th July 2025
62AQI
62AQI
5th July 2025
63AQI
63AQI
6th July 2025
63AQI
63AQI
7th July 2025
54AQI
54AQI
8th July 2025
50AQI
50AQI
9th July 2025
49AQI
49AQI
10th July 2025
67AQI
67AQI
11th July 2025
56AQI
56AQI
12th July 2025
52AQI
52AQI
13th July 2025
60AQI
60AQI
14th July 2025
61AQI
61AQI
15th July 2025
65AQI
65AQI
16th July 2025
65AQI
65AQI
17th July 2025
64AQI
64AQI
18th July 2025
60AQI
60AQI
19th July 2025
51AQI
51AQI
20th July 2025
47AQI
47AQI
21st July 2025
44AQI
44AQI
22nd July 2025
45AQI
45AQI
23rd July 2025
44AQI
44AQI
24th July 2025
49AQI
49AQI
25th July 2025
49AQI
49AQI
26th July 2025
43AQI
43AQI
27th July 2025
43AQI
43AQI
28th July 2025
42AQI
42AQI
29th July 2025
41AQI
41AQI
30th July 2025
36AQI
36AQI
31st July 2025
44AQI
44AQI
1st August 2025
54AQI
54AQI
2nd August 2025
54AQI
54AQI
3rd August 2025
56AQI
56AQI
4th August 2025
56AQI
56AQI
5th August 2025
56AQI
56AQI
6th August 2025
55AQI
55AQI
7th August 2025
51AQI
51AQI
8th August 2025
53AQI
53AQI
9th August 2025
54AQI
54AQI
10th August 2025
57AQI
57AQI
11th August 2025
58AQI
58AQI
12th August 2025
59AQI
59AQI
13th August 2025
52AQI
52AQI
14th August 2025
45AQI
45AQI
15th August 2025
46AQI
46AQI
16th August 2025
50AQI
50AQI
17th August 2025
53AQI
53AQI
18th August 2025
53AQI
53AQI
19th August 2025
55AQI
55AQI
20th August 2025
58AQI
58AQI
21st August 2025
63AQI
63AQI
22nd August 2025
58AQI
58AQI
23rd August 2025
56AQI
56AQI
24th August 2025
56AQI
56AQI
25th August 2025
58AQI
58AQI
26th August 2025
57AQI
57AQI
27th August 2025
56AQI
56AQI
28th August 2025
54AQI
54AQI
29th August 2025
55AQI
55AQI
30th August 2025
52AQI
52AQI
31st August 2025
52AQI
52AQI
1st September 2025
57AQI
57AQI
2nd September 2025
54AQI
54AQI
3rd September 2025
58AQI
58AQI
4th September 2025
66AQI
66AQI
5th September 2025
65AQI
65AQI
6th September 2025
65AQI
65AQI
7th September 2025
72AQI
72AQI
8th September 2025
60AQI
60AQI
9th September 2025
57AQI
57AQI
10th September 2025
55AQI
55AQI
11th September 2025
57AQI
57AQI
12th September 2025
57AQI
57AQI
13th September 2025
59AQI
59AQI
14th September 2025
59AQI
59AQI
15th September 2025
61AQI
61AQI
16th September 2025
60AQI
60AQI
17th September 2025
18th September 2025
19th September 2025
20th September 2025
21st September 2025
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
111AQI
100AQI
89AQI
96AQI
77AQI
59AQI
53AQI
55AQI
60AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202579AQI
11
17
3
16
10
2
22
9
19
10
1
30
1
7
23
14
17
3
28
16
24
182
47
6
Highest AQI recorded in
January111AQI
Lowest AQI recorded in
July53AQI
202484AQI
18
7
10
11
3
9
7
30
9
22
3
28
14
15
12
16
3
8
18
4
9
21
1
49
147
28
54
Highest AQI recorded in
January156AQI
Lowest AQI recorded in
September51AQI
2023156AQI
3
31
34
Highest AQI recorded in
November156AQI
Lowest AQI recorded in
December156AQI
202183AQI
9
14
8
18
9
1
14
15
1
1
24
6
2
22
5
2
4
26
13
17
7
11
3
9
20
1
11
18
1
1
4
16
10
6
10
4
50
201
74
17
1
Highest AQI recorded in
January118AQI
Lowest AQI recorded in
July56AQI
202082AQI
4
8
1
1
8
11
1
1
9
8
5
23
2
6
22
3
4
26
1
3
21
6
4
25
2
4
19
5
2
12
11
7
1
32
173
50
10
1
Highest AQI recorded in
December126AQI
Lowest AQI recorded in
August66AQI
Most & Least Polluted Years Over the Last 5 Years
Most Polluted Year Recorded
2023(Avg.)
156AQILeast Polluted Year Recorded
2025(Avg.)
79AQIChangshu's annual 2025 AQI (79) shows an average percentage change of -16.3% (improved AQI) compared to previous years: 2020 (82), 2021 (83), 2023 (156), 2024 (84).
