Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

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+

June Air Quality Analysis

Changshu, Jiangsu, China

2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
3rd Jun 2026
108AQI
Lowest AQI recorded on
22nd Jun 2025
42AQI

Same Day Analysis (3rd June):
On this day, AQI across the 3 years varied significantly: 2026 ranks 1st highest AQI at 108 of Poor air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 2nd Jun - 3rd Jun 2026

Changshu, Jiangsu, China

AQI
Day
Night
.

4 AM2nd Jun 2026

6 PM

3 AM3rd Jun 2026

Day time
Avg. Highest Time
4AM2nd Jun

106AQI

Avg. Lowest Time
4PM2nd Jun

62AQI

Night time
Avg. Highest Time
1AM3rd Jun

102AQI

Avg. Lowest Time
7PM2nd Jun

69AQI

In the last 24 hours,

Changshu's AQI reached its highest point of 106 at 4 AM during the Day, while the lowest point, 62, was recorded at 4 PM during the Day between 2nd Jun and 3rd Jun 2026.

Day & Night AQI Trend : May - Jun 2026

Changshu, Jiangsu, China

MayJun
05th - 06th06th - 07th07th - 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
Day
Night
5th May 20261244 AMAQI
5th May 20261185 AMAQI
5th May 20261216 AMAQI
5th May 20261177 AMAQI
5th May 20261058 AMAQI
5th May 2026889 AMAQI
5th May 20267410 AMAQI
5th May 20265911 AMAQI
5th May 20265412 PMAQI
5th May 2026541 PMAQI
5th May 2026462 PMAQI
5th May 2026333 PMAQI
5th May 2026334 PMAQI
5th May 2026305 PMAQI
5th May 2026266 PMAQI
5th May 2026347 PMAQI
5th May 2026398 PMAQI
5th May 2026369 PMAQI
5th May 20263210 PMAQI
5th May 20263111 PMAQI
6th May 20263312 AMAQI
6th May 2026321 AMAQI
6th May 2026412 AMAQI
6th May 2026423 AMAQI

20°C15/26°C

6th May 2026464 AMAQI
6th May 2026485 AMAQI
6th May 2026486 AMAQI
6th May 2026497 AMAQI
6th May 2026488 AMAQI
6th May 2026509 AMAQI
6th May 20265010 AMAQI
6th May 20264611 AMAQI
6th May 20264612 PMAQI
6th May 2026461 PMAQI
6th May 2026462 PMAQI
6th May 2026353 PMAQI
6th May 2026344 PMAQI
6th May 2026385 PMAQI
6th May 2026366 PMAQI
6th May 2026417 PMAQI
6th May 2026488 PMAQI
6th May 2026519 PMAQI
6th May 20265210 PMAQI
6th May 20265411 PMAQI
7th May 20265412 AMAQI
7th May 2026561 AMAQI
7th May 2026622 AMAQI
7th May 2026613 AMAQI

20°C15/26°C

7th May 2026584 AMAQI
7th May 2026615 AMAQI
7th May 2026656 AMAQI
7th May 2026677 AMAQI
7th May 2026708 AMAQI
7th May 2026779 AMAQI
7th May 20267410 AMAQI
7th May 20268011 AMAQI
7th May 20267012 PMAQI
7th May 2026801 PMAQI
7th May 2026752 PMAQI
7th May 2026703 PMAQI
7th May 2026864 PMAQI
7th May 2026895 PMAQI
7th May 2026736 PMAQI
7th May 2026717 PMAQI
7th May 2026648 PMAQI
7th May 2026509 PMAQI
7th May 20264010 PMAQI
7th May 20262811 PMAQI
8th May 20264012 AMAQI
8th May 2026481 AMAQI
8th May 2026522 AMAQI
8th May 2026563 AMAQI

20°C16/29°C

8th May 2026524 AMAQI
8th May 2026495 AMAQI
8th May 2026406 AMAQI
8th May 2026387 AMAQI
8th May 2026348 AMAQI
8th May 2026249 AMAQI
8th May 20262110 AMAQI
8th May 20262011 AMAQI
8th May 20261912 PMAQI
8th May 2026181 PMAQI
8th May 2026162 PMAQI
8th May 2026163 PMAQI
8th May 2026164 PMAQI
8th May 2026145 PMAQI
8th May 2026146 PMAQI
8th May 2026167 PMAQI
8th May 2026168 PMAQI
8th May 2026189 PMAQI
8th May 20262210 PMAQI
8th May 20262211 PMAQI
9th May 20262512 AMAQI
9th May 2026311 AMAQI
9th May 2026402 AMAQI
9th May 2026463 AMAQI

18°C14/22°C

9th May 2026564 AMAQI
9th May 2026525 AMAQI
9th May 2026536 AMAQI
9th May 2026527 AMAQI
9th May 2026548 AMAQI
9th May 2026519 AMAQI
9th May 20262610 AMAQI
9th May 20262111 AMAQI
9th May 20262612 PMAQI
9th May 2026281 PMAQI
9th May 2026282 PMAQI
9th May 2026283 PMAQI
9th May 2026304 PMAQI
9th May 2026295 PMAQI
9th May 2026306 PMAQI
9th May 2026357 PMAQI
9th May 2026338 PMAQI
9th May 2026309 PMAQI
9th May 20262810 PMAQI
9th May 20263211 PMAQI
10th May 20263112 AMAQI
10th May 2026321 AMAQI
10th May 2026202 AMAQI
10th May 2026183 AMAQI

18°C13/24°C

10th May 2026184 AMAQI
10th May 2026225 AMAQI
10th May 2026286 AMAQI
10th May 2026327 AMAQI
10th May 2026428 AMAQI
10th May 2026509 AMAQI
10th May 20264610 AMAQI
10th May 20265511 AMAQI
10th May 20265612 PMAQI
10th May 2026591 PMAQI
10th May 2026592 PMAQI
10th May 2026563 PMAQI
10th May 2026454 PMAQI
10th May 2026425 PMAQI
10th May 2026406 PMAQI
10th May 2026417 PMAQI
10th May 2026438 PMAQI
10th May 2026479 PMAQI
10th May 20264810 PMAQI
10th May 20265011 PMAQI
11th May 20265112 AMAQI
11th May 2026461 AMAQI
11th May 2026542 AMAQI
11th May 2026543 AMAQI

20°C13/26°C

11th May 2026564 AMAQI
11th May 2026565 AMAQI
11th May 2026626 AMAQI
11th May 2026657 AMAQI
11th May 2026658 AMAQI
11th May 2026789 AMAQI
11th May 20267410 AMAQI
11th May 20267711 AMAQI
11th May 20267312 PMAQI
11th May 2026781 PMAQI
11th May 2026782 PMAQI
11th May 2026733 PMAQI
11th May 2026604 PMAQI
11th May 2026445 PMAQI
11th May 2026526 PMAQI
11th May 2026557 PMAQI
11th May 2026728 PMAQI
11th May 2026739 PMAQI
11th May 20267610 PMAQI
11th May 20266211 PMAQI
12th May 20266012 AMAQI
12th May 2026581 AMAQI
12th May 2026592 AMAQI
12th May 2026593 AMAQI

23°C17/30°C

12th May 2026644 AMAQI
12th May 2026745 AMAQI
12th May 2026736 AMAQI
12th May 2026767 AMAQI
12th May 2026828 AMAQI
12th May 2026829 AMAQI
12th May 20269110 AMAQI
12th May 20269011 AMAQI
12th May 20268512 PMAQI
12th May 2026801 PMAQI
12th May 2026822 PMAQI
12th May 2026723 PMAQI
12th May 2026494 PMAQI
12th May 2026505 PMAQI
12th May 2026516 PMAQI
12th May 2026607 PMAQI
12th May 2026688 PMAQI
12th May 2026669 PMAQI
12th May 20266510 PMAQI
12th May 20267911 PMAQI
13th May 20269812 AMAQI
13th May 20261111 AMAQI
13th May 20261122 AMAQI
13th May 20261213 AMAQI

24°C19/31°C

13th May 2026904 AMAQI
13th May 2026885 AMAQI
13th May 20261046 AMAQI
13th May 20261267 AMAQI
13th May 20261268 AMAQI
13th May 20261049 AMAQI
13th May 20269210 AMAQI
13th May 20267211 AMAQI
13th May 20265412 PMAQI
13th May 2026391 PMAQI
13th May 2026302 PMAQI
13th May 2026303 PMAQI
13th May 2026284 PMAQI
13th May 2026255 PMAQI
13th May 2026236 PMAQI
13th May 2026247 PMAQI
13th May 2026248 PMAQI
13th May 2026279 PMAQI
13th May 20263010 PMAQI
13th May 20264411 PMAQI
14th May 20264012 AMAQI
14th May 2026381 AMAQI
14th May 2026462 AMAQI
14th May 2026543 AMAQI

25°C20/31°C

14th May 2026564 AMAQI
14th May 2026525 AMAQI
14th May 2026396 AMAQI
14th May 2026267 AMAQI
14th May 2026368 AMAQI
14th May 2026339 AMAQI
14th May 20263010 AMAQI
14th May 20262411 AMAQI
14th May 20262312 PMAQI
14th May 2026231 PMAQI
14th May 2026222 PMAQI
14th May 2026193 PMAQI
14th May 2026204 PMAQI
14th May 2026185 PMAQI
14th May 2026186 PMAQI
14th May 2026187 PMAQI
14th May 2026208 PMAQI
14th May 2026199 PMAQI
14th May 20261910 PMAQI
14th May 20262011 PMAQI
15th May 20262612 AMAQI
15th May 2026271 AMAQI
15th May 2026262 AMAQI
15th May 2026313 AMAQI

23°C20/29°C

15th May 2026314 AMAQI
15th May 2026305 AMAQI
15th May 2026336 AMAQI
15th May 2026387 AMAQI
15th May 2026428 AMAQI
15th May 2026299 AMAQI
15th May 20262210 AMAQI
15th May 20261911 AMAQI
15th May 20262612 PMAQI
15th May 2026271 PMAQI
15th May 2026302 PMAQI
15th May 2026303 PMAQI
15th May 2026294 PMAQI
15th May 2026295 PMAQI
15th May 2026306 PMAQI
15th May 2026307 PMAQI
15th May 2026348 PMAQI
15th May 2026449 PMAQI
15th May 20263110 PMAQI
15th May 20266211 PMAQI
16th May 20268512 AMAQI
16th May 2026781 AMAQI
16th May 2026822 AMAQI
16th May 2026733 AMAQI

22°C19/28°C

16th May 2026704 AMAQI
16th May 2026675 AMAQI
16th May 2026706 AMAQI
16th May 2026807 AMAQI
16th May 2026828 AMAQI
16th May 2026689 AMAQI
16th May 20267510 AMAQI
16th May 20267611 AMAQI
16th May 20268412 PMAQI
16th May 2026811 PMAQI
16th May 2026842 PMAQI
16th May 2026833 PMAQI
16th May 2026744 PMAQI
16th May 2026665 PMAQI
16th May 2026686 PMAQI
16th May 2026697 PMAQI
16th May 2026738 PMAQI
16th May 2026769 PMAQI
16th May 20268010 PMAQI
16th May 20267211 PMAQI
17th May 20266612 AMAQI
17th May 2026741 AMAQI
17th May 2026752 AMAQI
17th May 2026703 AMAQI

23°C19/28°C

17th May 2026724 AMAQI
17th May 2026715 AMAQI
17th May 2026696 AMAQI
17th May 2026677 AMAQI
17th May 2026628 AMAQI
17th May 2026569 AMAQI
17th May 20265610 AMAQI
17th May 20265811 AMAQI
17th May 20267312 PMAQI
17th May 2026661 PMAQI
17th May 2026602 PMAQI
17th May 2026583 PMAQI
17th May 2026624 PMAQI
17th May 2026565 PMAQI
17th May 2026566 PMAQI
17th May 2026537 PMAQI
17th May 2026518 PMAQI
17th May 2026569 PMAQI
17th May 20265010 PMAQI
17th May 20265311 PMAQI
18th May 20266212 AMAQI
18th May 2026561 AMAQI
18th May 2026542 AMAQI
18th May 2026583 AMAQI

24°C19/29°C

18th May 2026604 AMAQI
18th May 2026605 AMAQI
18th May 2026646 AMAQI
18th May 2026627 AMAQI
18th May 2026608 AMAQI
18th May 2026649 AMAQI
18th May 20266210 AMAQI
18th May 20265911 AMAQI
18th May 20264912 PMAQI
18th May 2026461 PMAQI
18th May 2026462 PMAQI
18th May 2026473 PMAQI
18th May 2026504 PMAQI
18th May 2026485 PMAQI
18th May 2026466 PMAQI
18th May 2026487 PMAQI
18th May 2026508 PMAQI
18th May 2026539 PMAQI
18th May 20265410 PMAQI
18th May 20265411 PMAQI
19th May 20265812 AMAQI
19th May 2026541 AMAQI
19th May 2026542 AMAQI
19th May 2026523 AMAQI

24°C20/30°C

19th May 2026504 AMAQI
19th May 2026505 AMAQI
19th May 2026476 AMAQI
19th May 2026527 AMAQI
19th May 2026568 AMAQI
19th May 2026569 AMAQI
19th May 20265510 AMAQI
19th May 20264211 AMAQI
19th May 20264012 PMAQI
19th May 2026391 PMAQI
19th May 2026402 PMAQI
19th May 2026423 PMAQI
19th May 2026394 PMAQI
19th May 2026445 PMAQI
19th May 2026506 PMAQI
19th May 2026597 PMAQI
19th May 2026648 PMAQI
19th May 2026649 PMAQI
19th May 20266810 PMAQI
19th May 20266611 PMAQI
20th May 20267112 AMAQI
20th May 2026711 AMAQI
20th May 2026722 AMAQI
20th May 2026763 AMAQI

23°C21/28°C

20th May 2026764 AMAQI
20th May 2026825 AMAQI
20th May 2026796 AMAQI
20th May 2026767 AMAQI
20th May 2026548 AMAQI
20th May 2026469 AMAQI
20th May 20264010 AMAQI
20th May 20264011 AMAQI
20th May 20264012 PMAQI
20th May 2026461 PMAQI
20th May 2026522 PMAQI
20th May 2026603 PMAQI
20th May 2026624 PMAQI
20th May 2026605 PMAQI
20th May 2026606 PMAQI
20th May 2026627 PMAQI
20th May 2026628 PMAQI
20th May 2026669 PMAQI
20th May 20267110 PMAQI
20th May 20266911 PMAQI
21st May 20266912 AMAQI
21st May 2026681 AMAQI
21st May 2026602 AMAQI
21st May 2026393 AMAQI

23°C21/27°C

21st May 2026414 AMAQI
21st May 2026375 AMAQI
21st May 2026616 AMAQI
21st May 2026727 AMAQI
21st May 2026778 AMAQI
21st May 2026729 AMAQI
21st May 20267210 AMAQI
21st May 20267211 AMAQI
21st May 20267212 PMAQI
21st May 2026721 PMAQI
21st May 2026782 PMAQI
21st May 2026793 PMAQI
21st May 2026744 PMAQI
21st May 2026765 PMAQI
21st May 2026776 PMAQI
21st May 2026747 PMAQI
21st May 2026748 PMAQI
21st May 2026729 PMAQI
21st May 20267210 PMAQI
21st May 20267111 PMAQI
22nd May 20267512 AMAQI
22nd May 2026771 AMAQI
22nd May 2026752 AMAQI
22nd May 2026803 AMAQI

22°C18/27°C

22nd May 2026824 AMAQI
22nd May 2026815 AMAQI
22nd May 2026756 AMAQI
22nd May 2026737 AMAQI
22nd May 2026708 AMAQI
22nd May 2026749 AMAQI
22nd May 20268010 AMAQI
22nd May 20268011 AMAQI
22nd May 20268012 PMAQI
22nd May 2026801 PMAQI
22nd May 2026802 PMAQI
22nd May 2026803 PMAQI
22nd May 2026804 PMAQI
22nd May 2026805 PMAQI
22nd May 2026806 PMAQI
22nd May 2026757 PMAQI
22nd May 2026748 PMAQI
22nd May 2026869 PMAQI
22nd May 20268610 PMAQI
22nd May 20268311 PMAQI
23rd May 20268312 AMAQI
23rd May 2026841 AMAQI
23rd May 2026842 AMAQI
23rd May 2026913 AMAQI

22°C17/29°C

23rd May 2026794 AMAQI
23rd May 2026695 AMAQI
23rd May 2026706 AMAQI
23rd May 2026687 AMAQI
23rd May 2026738 AMAQI
23rd May 2026699 AMAQI
23rd May 20266810 AMAQI
23rd May 20266811 AMAQI
23rd May 20266812 PMAQI
23rd May 2026681 PMAQI
23rd May 2026682 PMAQI
23rd May 2026653 PMAQI
23rd May 2026654 PMAQI
23rd May 2026665 PMAQI
23rd May 2026666 PMAQI
23rd May 2026677 PMAQI
23rd May 2026658 PMAQI
23rd May 2026659 PMAQI
23rd May 20267310 PMAQI
23rd May 20267811 PMAQI
24th May 20267212 AMAQI
24th May 2026751 AMAQI
24th May 2026782 AMAQI
24th May 2026793 AMAQI

25°C21/30°C

24th May 2026824 AMAQI
24th May 2026775 AMAQI
24th May 2026786 AMAQI
24th May 2026767 AMAQI
24th May 2026778 AMAQI
24th May 2026689 AMAQI
24th May 20266410 AMAQI
24th May 20266411 AMAQI
24th May 20266412 PMAQI
24th May 2026641 PMAQI
24th May 2026662 PMAQI
24th May 2026643 PMAQI
24th May 2026664 PMAQI
24th May 2026665 PMAQI
24th May 2026626 PMAQI
24th May 2026607 PMAQI
24th May 2026648 PMAQI
24th May 2026709 PMAQI
24th May 20267310 PMAQI
24th May 20266411 PMAQI
25th May 20266812 AMAQI
25th May 2026731 AMAQI
25th May 2026702 AMAQI
25th May 2026653 AMAQI

22°C21/23°C

25th May 2026664 AMAQI
25th May 2026665 AMAQI
25th May 2026706 AMAQI
25th May 2026717 AMAQI
25th May 2026728 AMAQI
25th May 2026649 AMAQI
25th May 20266610 AMAQI
25th May 20266611 AMAQI
25th May 20266612 PMAQI
25th May 2026661 PMAQI
25th May 2026602 PMAQI
25th May 2026583 PMAQI
25th May 2026574 PMAQI
25th May 2026555 PMAQI
25th May 2026576 PMAQI
25th May 2026587 PMAQI
25th May 2026718 PMAQI
25th May 2026669 PMAQI
25th May 20265810 PMAQI
25th May 20265811 PMAQI
26th May 20265312 AMAQI
26th May 2026541 AMAQI
26th May 2026512 AMAQI
26th May 2026473 AMAQI

26°C21/31°C

26th May 2026464 AMAQI
26th May 2026505 AMAQI
26th May 2026506 AMAQI
26th May 2026497 AMAQI
26th May 2026488 AMAQI
26th May 2026539 AMAQI
26th May 20265410 AMAQI
26th May 20265411 AMAQI
26th May 20265712 PMAQI
26th May 2026661 PMAQI
26th May 2026672 PMAQI
26th May 2026643 PMAQI
26th May 2026224 PMAQI
26th May 2026225 PMAQI
26th May 2026216 PMAQI
26th May 2026227 PMAQI
26th May 2026538 PMAQI
26th May 2026589 PMAQI
26th May 20266810 PMAQI
26th May 20267411 PMAQI
27th May 20266712 AMAQI
27th May 2026471 AMAQI
27th May 2026372 AMAQI
27th May 2026343 AMAQI

26°C23/29°C

27th May 2026324 AMAQI
27th May 2026485 AMAQI
27th May 2026566 AMAQI
27th May 2026547 AMAQI
27th May 2026578 AMAQI
27th May 2026639 AMAQI
27th May 20266310 AMAQI
27th May 20266811 AMAQI
27th May 20266512 PMAQI
27th May 2026701 PMAQI
27th May 2026792 PMAQI
27th May 2026843 PMAQI
27th May 2026794 PMAQI
27th May 2026705 PMAQI
27th May 2026736 PMAQI
27th May 2026677 PMAQI
27th May 2026658 PMAQI
27th May 2026689 PMAQI
27th May 20267210 PMAQI
27th May 20268411 PMAQI
28th May 20268312 AMAQI
28th May 2026821 AMAQI
28th May 2026802 AMAQI
28th May 2026843 AMAQI

23°C22/25°C

28th May 2026824 AMAQI
28th May 2026815 AMAQI
28th May 2026876 AMAQI
28th May 2026897 AMAQI
28th May 2026988 AMAQI
28th May 2026999 AMAQI
28th May 20269810 AMAQI
28th May 20269011 AMAQI
28th May 20268412 PMAQI
28th May 2026871 PMAQI
28th May 2026862 PMAQI
28th May 2026823 PMAQI
28th May 2026724 PMAQI
28th May 2026605 PMAQI
28th May 2026606 PMAQI
28th May 2026597 PMAQI
28th May 2026628 PMAQI
28th May 2026679 PMAQI
28th May 20267910 PMAQI
28th May 20268111 PMAQI
29th May 20269312 AMAQI
29th May 20261101 AMAQI
29th May 20261122 AMAQI
29th May 20261083 AMAQI

27°C22/31°C

29th May 20261064 AMAQI
29th May 20261165 AMAQI
29th May 20261296 AMAQI
29th May 20261287 AMAQI
29th May 2026798 AMAQI
29th May 2026619 AMAQI
29th May 20265510 AMAQI
29th May 20263011 AMAQI
29th May 20262512 PMAQI
29th May 2026241 PMAQI
29th May 2026242 PMAQI
29th May 2026203 PMAQI
29th May 2026214 PMAQI
29th May 2026225 PMAQI
29th May 2026226 PMAQI
29th May 2026227 PMAQI
29th May 2026248 PMAQI
29th May 2026289 PMAQI
29th May 20263310 PMAQI
29th May 20264211 PMAQI
30th May 20264712 AMAQI
30th May 2026541 AMAQI
30th May 2026682 AMAQI
30th May 2026773 AMAQI

24°C20/28°C

30th May 2026784 AMAQI
30th May 2026865 AMAQI
30th May 2026886 AMAQI
30th May 2026957 AMAQI
30th May 2026978 AMAQI
30th May 2026889 AMAQI
30th May 20268610 AMAQI
30th May 20267811 AMAQI
30th May 20266212 PMAQI
30th May 2026561 PMAQI
30th May 2026362 PMAQI
30th May 2026343 PMAQI
30th May 2026314 PMAQI
30th May 2026395 PMAQI
30th May 2026456 PMAQI
30th May 2026497 PMAQI
30th May 2026508 PMAQI
30th May 2026619 PMAQI
30th May 20266410 PMAQI
30th May 20266711 PMAQI
31st May 20266312 AMAQI
31st May 2026691 AMAQI
31st May 2026692 AMAQI
31st May 2026703 AMAQI

22°C19/27°C

31st May 2026634 AMAQI
31st May 2026665 AMAQI
31st May 2026706 AMAQI
31st May 2026697 AMAQI
31st May 2026568 AMAQI
31st May 2026529 AMAQI
31st May 20262210 AMAQI
31st May 20262111 AMAQI
31st May 20262112 PMAQI
31st May 2026201 PMAQI
31st May 2026162 PMAQI
31st May 2026183 PMAQI
31st May 2026214 PMAQI
31st May 2026235 PMAQI
31st May 2026256 PMAQI
31st May 2026277 PMAQI
31st May 2026258 PMAQI
31st May 2026319 PMAQI
31st May 20264210 PMAQI
31st May 20265311 PMAQI
1st Jun 20265112 AMAQI
1st Jun 2026461 AMAQI
1st Jun 2026622 AMAQI
1st Jun 2026693 AMAQI

23°C18/30°C

1st Jun 2026774 AMAQI
1st Jun 2026745 AMAQI
1st Jun 2026946 AMAQI
1st Jun 2026877 AMAQI
1st Jun 2026718 AMAQI
1st Jun 2026569 AMAQI
1st Jun 20265610 AMAQI
1st Jun 20266111 AMAQI
1st Jun 20265412 PMAQI
1st Jun 2026531 PMAQI
1st Jun 2026472 PMAQI
1st Jun 2026463 PMAQI
1st Jun 2026484 PMAQI
1st Jun 2026495 PMAQI
1st Jun 2026546 PMAQI
1st Jun 2026647 PMAQI
1st Jun 2026848 PMAQI
1st Jun 2026849 PMAQI
1st Jun 20266810 PMAQI
1st Jun 20268311 PMAQI
2nd Jun 202613012 AMAQI
2nd Jun 20261361 AMAQI
2nd Jun 20261342 AMAQI
2nd Jun 20261173 AMAQI

25°C19/31°C

2nd Jun 20261064 AMAQI
2nd Jun 20261025 AMAQI
2nd Jun 20261006 AMAQI
2nd Jun 2026927 AMAQI
2nd Jun 2026938 AMAQI
2nd Jun 20261049 AMAQI
2nd Jun 20269410 AMAQI
2nd Jun 20268311 AMAQI
2nd Jun 20267712 PMAQI
2nd Jun 2026691 PMAQI
2nd Jun 2026712 PMAQI
2nd Jun 2026643 PMAQI
2nd Jun 2026624 PMAQI
2nd Jun 2026645 PMAQI
2nd Jun 2026716 PMAQI
2nd Jun 2026697 PMAQI
2nd Jun 2026768 PMAQI
2nd Jun 2026709 PMAQI
2nd Jun 20267810 PMAQI
2nd Jun 20269311 PMAQI
3rd Jun 20269912 AMAQI
3rd Jun 20261021 AMAQI
3rd Jun 2026912 AMAQI
3rd Jun 2026823 AMAQI

27°C23/32°C

3rd Jun 2026804 AMAQI
4 AM
3rd Jun 2026895 AMAQI
3rd Jun 2026926 AMAQI
3rd Jun 2026907 AMAQI
3rd Jun 20261008 AMAQI
3rd Jun 20261129 AMAQI
3rd Jun 202611610 AMAQI
3rd Jun 202611611 AMAQI
11 AM
3rd Jun 202611412 PMAQI
3rd Jun 20261101 PMAQI
3rd Jun 20261062 PMAQI
3rd Jun 20261243 PMAQI
3rd Jun 20261174 PMAQI
3rd Jun 20261325 PMAQI
3rd Jun 20261366 PMAQI
6 PM
3rd Jun 20261357 PMAQI
3rd Jun 20261328 PMAQI
3rd Jun 20261089 PMAQI
3rd Jun 202610210 PMAQI
3rd Jun 202610611 PMAQI
11 PM
3 AM

27°C24/32°C

Day time
Avg. Highest Time
6 AM - 8 AM

71AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
4 PM - 6 PM

51AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 8 AM (Avg. 71), while the lowest AQI was between 4 PM to 6 PM (Avg. 51).
Night time
Avg. Highest Time
1 AM - 3 AM

67AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
7 PM

52AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 3 AM (Avg. 67), while the lowest AQI was between 7 PM to 7 PM (Avg. 52).

2026 Days Vs Air Quality

Changshu, Jiangsu, China

2026

20%

31

57%

88

16%

24

7%

11

Total number of days with different AQI categories in last 154 days in 2026 (211 days remaining)

Good
31 Days
Moderate
88 Days
Poor
24 Days
Unhealthy
11 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 20%

Health Risk Level:

Very high

In 2026, 20% of 154 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.

Annual Air Quality Insights

Changshu, Jiangsu, 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
36AQI (US)
2nd January 2026
64AQI (US)
3rd January 2026
102AQI (US)
4th January 2026
149AQI (US)
5th January 2026
161AQI (US)
6th January 2026
158AQI (US)
7th January 2026
122AQI (US)
8th January 2026
146AQI (US)
9th January 2026
138AQI (US)
10th January 2026
113AQI (US)
11th January 2026
62AQI (US)
12th January 2026
81AQI (US)
13th January 2026
133AQI (US)
14th January 2026
153AQI (US)
15th January 2026
157AQI (US)
16th January 2026
182AQI (US)
17th January 2026
154AQI (US)
18th January 2026
72AQI (US)
19th January 2026
43AQI (US)
20th January 2026
54AQI (US)
21st January 2026
76AQI (US)
22nd January 2026
81AQI (US)
23rd January 2026
134AQI (US)
24th January 2026
151AQI (US)
25th January 2026
120AQI (US)
26th January 2026
44AQI (US)
27th January 2026
82AQI (US)
28th January 2026
79AQI (US)
29th January 2026
49AQI (US)
30th January 2026
50AQI (US)
31st January 2026
35AQI (US)
1st February 2026
111AQI (US)
2nd February 2026
147AQI (US)
3rd February 2026
114AQI (US)
4th February 2026
97AQI (US)
5th February 2026
156AQI (US)
6th February 2026
87AQI (US)
7th February 2026
59AQI (US)
8th February 2026
68AQI (US)
9th February 2026
67AQI (US)
10th February 2026
88AQI (US)
11th February 2026
140AQI (US)
12th February 2026
155AQI (US)
13th February 2026
152AQI (US)
14th February 2026
140AQI (US)
15th February 2026
154AQI (US)
16th February 2026
57AQI (US)
17th February 2026
88AQI (US)
18th February 2026
147AQI (US)
19th February 2026
142AQI (US)
20th February 2026
98AQI (US)
21st February 2026
90AQI (US)
22nd February 2026
92AQI (US)
23rd February 2026
58AQI (US)
24th February 2026
38AQI (US)
25th February 2026
61AQI (US)
26th February 2026
48AQI (US)
27th February 2026
28AQI (US)
28th February 2026
62AQI (US)
1st March 2026
30AQI (US)
2nd March 2026
18AQI (US)
3rd March 2026
77AQI (US)
4th March 2026
29AQI (US)
5th March 2026
66AQI (US)
6th March 2026
92AQI (US)
7th March 2026
70AQI (US)
8th March 2026
38AQI (US)
9th March 2026
60AQI (US)
10th March 2026
40AQI (US)
11th March 2026
64AQI (US)
12th March 2026
68AQI (US)
13th March 2026
113AQI (US)
14th March 2026
78AQI (US)
15th March 2026
56AQI (US)
16th March 2026
99AQI (US)
17th March 2026
109AQI (US)
18th March 2026
83AQI (US)
19th March 2026
93AQI (US)
20th March 2026
88AQI (US)
21st March 2026
52AQI (US)
22nd March 2026
84AQI (US)
23rd March 2026
85AQI (US)
24th March 2026
90AQI (US)
25th March 2026
136AQI (US)
26th March 2026
78AQI (US)
27th March 2026
73AQI (US)
28th March 2026
69AQI (US)
29th March 2026
99AQI (US)
30th March 2026
74AQI (US)
31st March 2026
89AQI (US)
1st April 2026
121AQI (US)
2nd April 2026
136AQI (US)
3rd April 2026
61AQI (US)
4th April 2026
97AQI (US)
5th April 2026
103AQI (US)
6th April 2026
120AQI (US)
7th April 2026
44AQI (US)
8th April 2026
34AQI (US)
9th April 2026
39AQI (US)
10th April 2026
93AQI (US)
11th April 2026
98AQI (US)
12th April 2026
29AQI (US)
13th April 2026
40AQI (US)
14th April 2026
67AQI (US)
15th April 2026
63AQI (US)
16th April 2026
55AQI (US)
17th April 2026
86AQI (US)
18th April 2026
49AQI (US)
19th April 2026
52AQI (US)
20th April 2026
60AQI (US)
21st April 2026
58AQI (US)
22nd April 2026
33AQI (US)
23rd April 2026
24AQI (US)
24th April 2026
65AQI (US)
25th April 2026
59AQI (US)
26th April 2026
66AQI (US)
27th April 2026
99AQI (US)
28th April 2026
79AQI (US)
29th April 2026
33AQI (US)
30th April 2026
78AQI (US)
1st May 2026
77AQI (US)
2nd May 2026
67AQI (US)
3rd May 2026
77AQI (US)
4th May 2026
51AQI (US)
5th May 2026
68AQI (US)
6th May 2026
44AQI (US)
7th May 2026
66AQI (US)
8th May 2026
28AQI (US)
9th May 2026
36AQI (US)
10th May 2026
41AQI (US)
11th May 2026
64AQI (US)
12th May 2026
70AQI (US)
13th May 2026
68AQI (US)
14th May 2026
30AQI (US)
15th May 2026
31AQI (US)
16th May 2026
75AQI (US)
17th May 2026
62AQI (US)
18th May 2026
55AQI (US)
19th May 2026
52AQI (US)
20th May 2026
62AQI (US)
21st May 2026
68AQI (US)
22nd May 2026
78AQI (US)
23rd May 2026
72AQI (US)
24th May 2026
70AQI (US)
25th May 2026
64AQI (US)
26th May 2026
50AQI (US)
27th May 2026
63AQI (US)
28th May 2026
80AQI (US)
29th May 2026
60AQI (US)
30th May 2026
64AQI (US)
31st May 2026
42AQI (US)
1st June 2026
64AQI (US)
2nd June 2026
90AQI (US)
3rd June 2026
108AQI (US)
4th June 2026
5th June 2026
6th June 2026
7th June 2026
8th June 2026
9th June 2026
10th June 2026
11th June 2026
12th June 2026
13th June 2026
14th June 2026
15th June 2026
16th June 2026
17th June 2026
18th June 2026
19th June 2026
20th June 2026
21st June 2026
22nd June 2026
23rd June 2026
24th June 2026
25th June 2026
26th June 2026
27th June 2026
28th June 2026
29th June 2026
30th June 2026
1st July 2026
2nd July 2026
3rd July 2026
4th July 2026
5th July 2026
6th July 2026
7th July 2026
8th July 2026
9th July 2026
10th July 2026
11th July 2026
12th July 2026
13th July 2026
14th July 2026
15th July 2026
16th July 2026
17th July 2026
18th July 2026
19th July 2026
20th July 2026
21st July 2026
22nd July 2026
23rd July 2026
24th July 2026
25th July 2026
26th July 2026
27th July 2026
28th July 2026
29th July 2026
30th July 2026
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
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

103AQI (US)

98AQI (US)

74AQI (US)

68AQI (US)

59AQI (US)

87AQI (US)

No. of days

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

202680AQI (US)

6
9
9
7
3
14
7
4
5
23
3
9
17
4
8
23
2
1
31
88
24
11

Highest AQI (US) recorded in

January

103AQI (US)

Lowest AQI (US) recorded in

May

59AQI (US)

202580AQI (US)

11
17
3
16
10
2
22
9
19
10
1
30
1
7
23
14
17
3
28
6
24
4
25
2
2
14
10
4
1
14
13
3
37
243
72
13

Highest AQI (US) recorded in

January

112AQI (US)

Lowest AQI (US) recorded in

July

53AQI (US)

202484AQI (US)

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 (US) recorded in

January

156AQI (US)

Lowest AQI (US) recorded in

September

51AQI (US)

2023156AQI (US)

3
31
34

Highest AQI (US) recorded in

November

156AQI (US)

Lowest AQI (US) recorded in

December

156AQI (US)

202183AQI (US)

9
14
8
18
9
1
14
15
1
1
24
6
3
21
5
2
4
26
13
17
7
11
3
9
20
1
11
18
1
1
4
16
10
6
10
4
51
200
74
17
1

Highest AQI (US) recorded in

January

118AQI (US)

Lowest AQI (US) recorded in

July

56AQI (US)

202082AQI (US)

4
8
1
1
8
11
1
1
9
8
5
23
2
7
21
3
4
26
1
3
21
6
4
25
2
4
19
5
2
12
11
7
1
33
172
50
10
1

Highest AQI (US) recorded in

December

126AQI (US)

Lowest AQI (US) recorded in

August

66AQI (US)

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
156AQI (US)
Least Polluted Year Recorded
2025(Avg.)
80AQI (US)

Changshu's annual 2026 AQI (US) (80) shows an average percentage change of -11.9% (improved AQI (US)) compared to previous years: 2020 (82), 2021 (83), 2023 (156), 2024 (84), 2025 (80).