Changyi Yizhong, Kuiju, Shandong, 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+
October Air Quality Analysis
Changyi Yizhong, Kuiju, Shandong, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
30th Oct 2021
188AQILowest AQI recorded on
4th Oct 2022
31AQISame Day Analysis (26th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 154 of Unhealthy air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 26th Oct - 27th Oct 2025
Changyi Yizhong, Kuiju, Shandong, China
AQI
Day
Night
.
6 AM26th Oct 2025
5 PM
5 AM27th Oct 2025
Day time
Avg. Highest Time
8AM26th Oct
166AQI
Avg. Lowest Time
2PM26th Oct
155AQI
Night time
Avg. Highest Time
6PM26th Oct
86AQI
Avg. Lowest Time
12AM27th Oct
55AQI
In the last 24 hours,
Changyi Yizhong's AQI reached its highest point of 166 at 8 AM during the Day, while the lowest point, 55, was recorded at 12 AM during the Night between 26th Oct and 27th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Changyi Yizhong, Kuiju, Shandong, China
SepOct
27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th
Day
Night
27th Sep 20251546 AMAQI
27th Sep 20251547 AMAQI
27th Sep 20251388 AMAQI
27th Sep 20251279 AMAQI
27th Sep 202512210 AMAQI
27th Sep 202510311 AMAQI
27th Sep 20258112 PMAQI
27th Sep 2025641 PMAQI
27th Sep 2025652 PMAQI
27th Sep 2025703 PMAQI
27th Sep 2025684 PMAQI
27th Sep 2025705 PMAQI
27th Sep 2025786 PMAQI
27th Sep 2025847 PMAQI
27th Sep 2025758 PMAQI
27th Sep 2025769 PMAQI
27th Sep 20258410 PMAQI
27th Sep 20258011 PMAQI
28th Sep 20257812 AMAQI
28th Sep 2025731 AMAQI
28th Sep 2025612 AMAQI
28th Sep 2025493 AMAQI
28th Sep 2025744 AMAQI
28th Sep 2025775 AMAQI
21°C19/24°C
28th Sep 2025786 AMAQI
28th Sep 2025827 AMAQI
28th Sep 2025828 AMAQI
28th Sep 2025899 AMAQI
28th Sep 20259710 AMAQI
28th Sep 20259711 AMAQI
28th Sep 20258812 PMAQI
28th Sep 2025791 PMAQI
28th Sep 2025802 PMAQI
28th Sep 2025903 PMAQI
28th Sep 2025944 PMAQI
28th Sep 20251035 PMAQI
28th Sep 20251246 PMAQI
28th Sep 20251267 PMAQI
28th Sep 20251338 PMAQI
28th Sep 20251389 PMAQI
28th Sep 202514310 PMAQI
28th Sep 202515011 PMAQI
29th Sep 202513912 AMAQI
29th Sep 20251331 AMAQI
29th Sep 20251412 AMAQI
29th Sep 20251573 AMAQI
29th Sep 20251604 AMAQI
29th Sep 20251575 AMAQI
20°C18/24°C
29th Sep 20251626 AMAQI
29th Sep 20251617 AMAQI
29th Sep 20251618 AMAQI
29th Sep 20251609 AMAQI
29th Sep 202516410 AMAQI
29th Sep 202515811 AMAQI
29th Sep 202515512 PMAQI
29th Sep 20251511 PMAQI
29th Sep 20251232 PMAQI
29th Sep 20251023 PMAQI
29th Sep 2025894 PMAQI
29th Sep 2025885 PMAQI
29th Sep 2025886 PMAQI
29th Sep 2025927 PMAQI
29th Sep 2025998 PMAQI
29th Sep 20251329 PMAQI
29th Sep 20259910 PMAQI
29th Sep 202511611 PMAQI
30th Sep 202512612 AMAQI
30th Sep 20251191 AMAQI
30th Sep 20251452 AMAQI
30th Sep 20251523 AMAQI
30th Sep 20251254 AMAQI
30th Sep 20251375 AMAQI
22°C19/27°C
30th Sep 20251336 AMAQI
30th Sep 20251647 AMAQI
30th Sep 20251628 AMAQI
30th Sep 20251509 AMAQI
30th Sep 202514610 AMAQI
30th Sep 202516011 AMAQI
30th Sep 202513312 PMAQI
30th Sep 20251181 PMAQI
30th Sep 20251092 PMAQI
30th Sep 2025923 PMAQI
30th Sep 2025924 PMAQI
30th Sep 2025995 PMAQI
30th Sep 2025956 PMAQI
30th Sep 2025897 PMAQI
30th Sep 20251068 PMAQI
30th Sep 20251109 PMAQI
30th Sep 202510010 PMAQI
30th Sep 202510511 PMAQI
1st Oct 202511012 AMAQI
1st Oct 20251061 AMAQI
1st Oct 20251022 AMAQI
1st Oct 20251083 AMAQI
1st Oct 20251084 AMAQI
1st Oct 20251005 AMAQI
23°C19/28°C
1st Oct 2025986 AMAQI
1st Oct 2025937 AMAQI
1st Oct 20251078 AMAQI
1st Oct 2025949 AMAQI
1st Oct 20259310 AMAQI
1st Oct 20258411 AMAQI
1st Oct 20257712 PMAQI
1st Oct 2025791 PMAQI
1st Oct 2025842 PMAQI
1st Oct 2025853 PMAQI
1st Oct 2025854 PMAQI
1st Oct 2025845 PMAQI
1st Oct 2025876 PMAQI
1st Oct 2025907 PMAQI
1st Oct 2025848 PMAQI
1st Oct 2025869 PMAQI
1st Oct 20258810 PMAQI
1st Oct 20259211 PMAQI
2nd Oct 20259012 AMAQI
2nd Oct 2025901 AMAQI
2nd Oct 2025932 AMAQI
2nd Oct 2025873 AMAQI
2nd Oct 2025724 AMAQI
2nd Oct 2025655 AMAQI
24°C19/29°C
2nd Oct 2025666 AMAQI
2nd Oct 2025727 AMAQI
2nd Oct 2025638 AMAQI
2nd Oct 2025609 AMAQI
2nd Oct 20255710 AMAQI
2nd Oct 20255211 AMAQI
2nd Oct 20255312 PMAQI
2nd Oct 2025541 PMAQI
2nd Oct 2025562 PMAQI
2nd Oct 2025543 PMAQI
2nd Oct 2025534 PMAQI
2nd Oct 2025465 PMAQI
2nd Oct 2025476 PMAQI
2nd Oct 2025357 PMAQI
2nd Oct 2025558 PMAQI
2nd Oct 2025529 PMAQI
2nd Oct 20253710 PMAQI
2nd Oct 20254311 PMAQI
3rd Oct 20253812 AMAQI
3rd Oct 2025321 AMAQI
3rd Oct 2025322 AMAQI
3rd Oct 2025303 AMAQI
3rd Oct 2025324 AMAQI
3rd Oct 2025305 AMAQI
18°C17/18°C
3rd Oct 2025306 AMAQI
3rd Oct 2025377 AMAQI
3rd Oct 2025478 AMAQI
3rd Oct 2025369 AMAQI
3rd Oct 20253710 AMAQI
3rd Oct 20253311 AMAQI
3rd Oct 20253212 PMAQI
3rd Oct 2025321 PMAQI
3rd Oct 2025322 PMAQI
3rd Oct 2025303 PMAQI
3rd Oct 2025314 PMAQI
3rd Oct 2025325 PMAQI
3rd Oct 2025306 PMAQI
3rd Oct 2025347 PMAQI
3rd Oct 2025478 PMAQI
3rd Oct 2025469 PMAQI
3rd Oct 20254610 PMAQI
3rd Oct 20254011 PMAQI
4th Oct 20253912 AMAQI
4th Oct 2025401 AMAQI
4th Oct 2025662 AMAQI
4th Oct 2025613 AMAQI
4th Oct 2025614 AMAQI
4th Oct 2025715 AMAQI
20°C17/23°C
4th Oct 2025696 AMAQI
4th Oct 2025777 AMAQI
4th Oct 20251058 AMAQI
4th Oct 20251019 AMAQI
4th Oct 20259710 AMAQI
4th Oct 20258011 AMAQI
4th Oct 20258012 PMAQI
4th Oct 2025641 PMAQI
4th Oct 2025562 PMAQI
4th Oct 2025523 PMAQI
4th Oct 2025464 PMAQI
4th Oct 2025435 PMAQI
4th Oct 2025496 PMAQI
4th Oct 2025607 PMAQI
4th Oct 2025698 PMAQI
4th Oct 2025719 PMAQI
4th Oct 20257510 PMAQI
4th Oct 20258111 PMAQI
5th Oct 20257212 AMAQI
5th Oct 2025581 AMAQI
5th Oct 2025662 AMAQI
5th Oct 2025653 AMAQI
5th Oct 2025644 AMAQI
5th Oct 2025645 AMAQI
21°C18/25°C
5th Oct 2025706 AMAQI
5th Oct 2025697 AMAQI
5th Oct 2025698 AMAQI
5th Oct 2025699 AMAQI
5th Oct 20257010 AMAQI
5th Oct 20257011 AMAQI
5th Oct 20257112 PMAQI
5th Oct 2025691 PMAQI
5th Oct 2025712 PMAQI
5th Oct 2025673 PMAQI
5th Oct 2025714 PMAQI
5th Oct 2025565 PMAQI
5th Oct 2025776 PMAQI
5th Oct 2025777 PMAQI
5th Oct 2025758 PMAQI
5th Oct 2025379 PMAQI
5th Oct 20253810 PMAQI
5th Oct 20253911 PMAQI
6th Oct 20254412 AMAQI
6th Oct 2025371 AMAQI
6th Oct 2025412 AMAQI
6th Oct 2025393 AMAQI
6th Oct 2025404 AMAQI
6th Oct 2025415 AMAQI
20°C19/20°C
6th Oct 2025426 AMAQI
6th Oct 2025397 AMAQI
6th Oct 2025408 AMAQI
6th Oct 2025429 AMAQI
6th Oct 20254010 AMAQI
6th Oct 20254111 AMAQI
6th Oct 20254412 PMAQI
6th Oct 2025471 PMAQI
6th Oct 2025412 PMAQI
6th Oct 2025383 PMAQI
6th Oct 2025234 PMAQI
6th Oct 2025325 PMAQI
6th Oct 2025356 PMAQI
6th Oct 2025467 PMAQI
6th Oct 2025888 PMAQI
6th Oct 2025869 PMAQI
6th Oct 20257710 PMAQI
6th Oct 20256711 PMAQI
7th Oct 20255612 AMAQI
7th Oct 2025441 AMAQI
18°C18/19°C
7th Oct 2025427 PMAQI
7th Oct 2025668 PMAQI
7th Oct 2025849 PMAQI
7th Oct 20258010 PMAQI
7th Oct 20258211 PMAQI
8th Oct 20259512 AMAQI
8th Oct 2025841 AMAQI
8th Oct 2025882 AMAQI
8th Oct 2025943 AMAQI
8th Oct 20251024 AMAQI
8th Oct 20251005 AMAQI
19°C17/22°C
8th Oct 2025956 AMAQI
8th Oct 20251017 AMAQI
8th Oct 20251018 AMAQI
8th Oct 2025919 AMAQI
8th Oct 20258110 AMAQI
8th Oct 20256911 AMAQI
8th Oct 20256812 PMAQI
8th Oct 2025491 PMAQI
8th Oct 2025472 PMAQI
8th Oct 2025563 PMAQI
8th Oct 2025594 PMAQI
8th Oct 2025625 PMAQI
8th Oct 2025586 PMAQI
8th Oct 2025637 PMAQI
8th Oct 2025608 PMAQI
8th Oct 2025569 PMAQI
8th Oct 20256110 PMAQI
8th Oct 20255211 PMAQI
9th Oct 20254912 AMAQI
9th Oct 2025541 AMAQI
9th Oct 2025522 AMAQI
9th Oct 2025513 AMAQI
9th Oct 2025364 AMAQI
9th Oct 2025345 AMAQI
20°C18/23°C
9th Oct 2025356 AMAQI
9th Oct 2025347 AMAQI
9th Oct 2025358 AMAQI
9th Oct 2025339 AMAQI
9th Oct 20253510 AMAQI
9th Oct 20253511 AMAQI
9th Oct 20254012 PMAQI
9th Oct 2025501 PMAQI
9th Oct 2025582 PMAQI
9th Oct 2025473 PMAQI
9th Oct 2025414 PMAQI
9th Oct 2025475 PMAQI
9th Oct 2025436 PMAQI
9th Oct 2025527 PMAQI
9th Oct 2025458 PMAQI
9th Oct 2025409 PMAQI
9th Oct 20254410 PMAQI
9th Oct 20254411 PMAQI
10th Oct 20254212 AMAQI
10th Oct 2025481 AMAQI
10th Oct 2025562 AMAQI
10th Oct 2025713 AMAQI
10th Oct 2025624 AMAQI
10th Oct 2025455 AMAQI
17°C16/19°C
10th Oct 2025396 AMAQI
10th Oct 2025357 AMAQI
10th Oct 2025448 AMAQI
10th Oct 2025649 AMAQI
10th Oct 20253810 AMAQI
10th Oct 20254111 AMAQI
10th Oct 20253912 PMAQI
10th Oct 2025411 PMAQI
10th Oct 2025352 PMAQI
10th Oct 2025333 PMAQI
10th Oct 2025344 PMAQI
10th Oct 2025375 PMAQI
10th Oct 2025346 PMAQI
10th Oct 2025347 PMAQI
10th Oct 2025428 PMAQI
10th Oct 2025429 PMAQI
10th Oct 20253910 PMAQI
10th Oct 20254511 PMAQI
11th Oct 20255412 AMAQI
11th Oct 2025581 AMAQI
11th Oct 2025682 AMAQI
11th Oct 2025603 AMAQI
11th Oct 2025594 AMAQI
11th Oct 2025505 AMAQI
18°C17/19°C
11th Oct 2025546 AMAQI
11th Oct 2025617 AMAQI
11th Oct 2025588 AMAQI
11th Oct 2025589 AMAQI
11th Oct 20255610 AMAQI
11th Oct 20255211 AMAQI
11th Oct 20254712 PMAQI
11th Oct 2025451 PMAQI
11th Oct 2025462 PMAQI
11th Oct 2025483 PMAQI
11th Oct 2025404 PMAQI
11th Oct 2025385 PMAQI
11th Oct 2025486 PMAQI
11th Oct 2025607 PMAQI
11th Oct 2025698 PMAQI
11th Oct 2025819 PMAQI
11th Oct 202510010 PMAQI
11th Oct 20259311 PMAQI
12th Oct 20259412 AMAQI
12th Oct 20251021 AMAQI
12th Oct 20251172 AMAQI
12th Oct 20251073 AMAQI
12th Oct 20251014 AMAQI
12th Oct 2025895 AMAQI
16°C15/17°C
12th Oct 2025896 AMAQI
12th Oct 2025987 AMAQI
12th Oct 2025868 AMAQI
12th Oct 2025699 AMAQI
12th Oct 20255710 AMAQI
12th Oct 20255811 AMAQI
12th Oct 20256712 PMAQI
12th Oct 2025721 PMAQI
12th Oct 2025702 PMAQI
12th Oct 2025673 PMAQI
12th Oct 2025594 PMAQI
12th Oct 2025575 PMAQI
12th Oct 2025576 PMAQI
12th Oct 2025557 PMAQI
12th Oct 2025558 PMAQI
12th Oct 2025549 PMAQI
12th Oct 20255410 PMAQI
12th Oct 20255911 PMAQI
13th Oct 20255212 AMAQI
13th Oct 2025351 AMAQI
13th Oct 2025402 AMAQI
13th Oct 2025403 AMAQI
13th Oct 2025384 AMAQI
13th Oct 2025425 AMAQI
15°C13/16°C
13th Oct 2025546 AMAQI
13th Oct 2025487 AMAQI
13th Oct 2025548 AMAQI
13th Oct 2025529 AMAQI
13th Oct 20255810 AMAQI
13th Oct 20256411 AMAQI
13th Oct 20256412 PMAQI
13th Oct 2025631 PMAQI
13th Oct 2025582 PMAQI
13th Oct 2025643 PMAQI
13th Oct 2025644 PMAQI
13th Oct 2025575 PMAQI
13th Oct 2025566 PMAQI
13th Oct 2025577 PMAQI
13th Oct 2025678 PMAQI
13th Oct 2025629 PMAQI
13th Oct 20257210 PMAQI
13th Oct 20257811 PMAQI
14th Oct 20258212 AMAQI
14th Oct 2025821 AMAQI
14th Oct 20251092 AMAQI
14th Oct 20251073 AMAQI
14th Oct 20251024 AMAQI
14th Oct 2025925 AMAQI
16°C13/20°C
14th Oct 2025886 AMAQI
14th Oct 2025987 AMAQI
14th Oct 2025948 AMAQI
14th Oct 20251169 AMAQI
14th Oct 202511510 AMAQI
14th Oct 202511811 AMAQI
14th Oct 202512712 PMAQI
14th Oct 20251091 PMAQI
14th Oct 2025962 PMAQI
14th Oct 2025923 PMAQI
14th Oct 2025894 PMAQI
14th Oct 2025795 PMAQI
14th Oct 2025876 PMAQI
14th Oct 2025867 PMAQI
14th Oct 2025858 PMAQI
14th Oct 2025779 PMAQI
14th Oct 20258210 PMAQI
14th Oct 20258611 PMAQI
15th Oct 20257612 AMAQI
15th Oct 2025811 AMAQI
15th Oct 2025872 AMAQI
15th Oct 2025873 AMAQI
15th Oct 2025834 AMAQI
15th Oct 2025735 AMAQI
17°C14/22°C
15th Oct 2025596 AMAQI
15th Oct 2025547 AMAQI
15th Oct 2025588 AMAQI
15th Oct 2025639 AMAQI
15th Oct 20256410 AMAQI
15th Oct 20256211 AMAQI
15th Oct 20255812 PMAQI
15th Oct 2025371 PMAQI
15th Oct 2025382 PMAQI
15th Oct 2025503 PMAQI
15th Oct 2025474 PMAQI
15th Oct 2025445 PMAQI
15th Oct 2025496 PMAQI
15th Oct 2025557 PMAQI
15th Oct 2025578 PMAQI
15th Oct 2025639 PMAQI
15th Oct 20256210 PMAQI
15th Oct 20256011 PMAQI
16th Oct 20255812 AMAQI
16th Oct 2025641 AMAQI
16th Oct 2025672 AMAQI
16th Oct 2025743 AMAQI
16th Oct 2025814 AMAQI
16th Oct 2025765 AMAQI
16°C14/17°C
16th Oct 2025786 AMAQI
16th Oct 2025917 AMAQI
16th Oct 2025948 AMAQI
16th Oct 20251099 AMAQI
16th Oct 202511010 AMAQI
16th Oct 202512911 AMAQI
16th Oct 202513112 PMAQI
16th Oct 20251261 PMAQI
16th Oct 2025972 PMAQI
16th Oct 2025933 PMAQI
16th Oct 2025894 PMAQI
16th Oct 2025865 PMAQI
16th Oct 2025806 PMAQI
16th Oct 2025757 PMAQI
16th Oct 2025748 PMAQI
16th Oct 2025709 PMAQI
16th Oct 20258210 PMAQI
16th Oct 20258411 PMAQI
17th Oct 20259312 AMAQI
17th Oct 2025931 AMAQI
17th Oct 2025872 AMAQI
17th Oct 2025883 AMAQI
17th Oct 20251044 AMAQI
17th Oct 2025975 AMAQI
16°C13/19°C
17th Oct 20251006 AMAQI
17th Oct 20251087 AMAQI
17th Oct 20251138 AMAQI
17th Oct 20251199 AMAQI
17th Oct 202512110 AMAQI
17th Oct 202512211 AMAQI
17th Oct 202511112 PMAQI
17th Oct 20251071 PMAQI
17th Oct 20251162 PMAQI
17th Oct 20251143 PMAQI
17th Oct 2025964 PMAQI
17th Oct 2025875 PMAQI
17th Oct 2025786 PMAQI
17th Oct 2025697 PMAQI
17th Oct 2025678 PMAQI
17th Oct 2025679 PMAQI
17th Oct 20256010 PMAQI
17th Oct 20257111 PMAQI
18th Oct 20257012 AMAQI
18th Oct 2025681 AMAQI
18th Oct 2025622 AMAQI
18th Oct 2025543 AMAQI
18th Oct 2025564 AMAQI
18th Oct 2025365 AMAQI
14°C13/16°C
18th Oct 2025446 AMAQI
18th Oct 2025527 AMAQI
18th Oct 2025508 AMAQI
18th Oct 2025429 AMAQI
18th Oct 20254010 AMAQI
18th Oct 20254011 AMAQI
18th Oct 20253912 PMAQI
18th Oct 2025491 PMAQI
18th Oct 2025512 PMAQI
18th Oct 2025463 PMAQI
18th Oct 2025384 PMAQI
18th Oct 2025445 PMAQI
18th Oct 2025406 PMAQI
18th Oct 2025477 PMAQI
18th Oct 2025368 PMAQI
18th Oct 2025379 PMAQI
18th Oct 20253810 PMAQI
18th Oct 20255711 PMAQI
19th Oct 20256312 AMAQI
19th Oct 2025551 AMAQI
19th Oct 2025612 AMAQI
19th Oct 2025623 AMAQI
19th Oct 2025684 AMAQI
19th Oct 2025795 AMAQI
11°C9/13°C
19th Oct 2025886 AMAQI
19th Oct 2025817 AMAQI
19th Oct 2025708 AMAQI
19th Oct 2025569 AMAQI
19th Oct 20255410 AMAQI
19th Oct 20256611 AMAQI
19th Oct 20257012 PMAQI
19th Oct 2025701 PMAQI
19th Oct 2025602 PMAQI
19th Oct 2025663 PMAQI
19th Oct 2025684 PMAQI
19th Oct 2025665 PMAQI
19th Oct 2025486 PMAQI
19th Oct 2025487 PMAQI
19th Oct 2025488 PMAQI
19th Oct 2025519 PMAQI
19th Oct 20254210 PMAQI
19th Oct 20254411 PMAQI
20th Oct 20254912 AMAQI
20th Oct 2025591 AMAQI
20th Oct 2025612 AMAQI
20th Oct 2025603 AMAQI
20th Oct 2025624 AMAQI
20th Oct 2025725 AMAQI
10°C8/13°C
20th Oct 2025876 AMAQI
20th Oct 2025837 AMAQI
20th Oct 2025738 AMAQI
20th Oct 2025709 AMAQI
20th Oct 20257010 AMAQI
20th Oct 20256911 AMAQI
20th Oct 20257012 PMAQI
20th Oct 2025701 PMAQI
20th Oct 2025712 PMAQI
20th Oct 2025713 PMAQI
20th Oct 2025714 PMAQI
20th Oct 2025715 PMAQI
20th Oct 2025706 PMAQI
20th Oct 2025687 PMAQI
20th Oct 2025678 PMAQI
20th Oct 2025669 PMAQI
20th Oct 20256610 PMAQI
20th Oct 20257511 PMAQI
21st Oct 20257812 AMAQI
21st Oct 2025711 AMAQI
21st Oct 2025602 AMAQI
21st Oct 2025593 AMAQI
21st Oct 2025564 AMAQI
21st Oct 2025685 AMAQI
9°C8/12°C
21st Oct 2025776 AMAQI
21st Oct 2025807 AMAQI
21st Oct 2025838 AMAQI
21st Oct 2025779 AMAQI
21st Oct 20257810 AMAQI
21st Oct 20256711 AMAQI
21st Oct 20256512 PMAQI
21st Oct 2025641 PMAQI
21st Oct 2025612 PMAQI
21st Oct 2025603 PMAQI
21st Oct 2025564 PMAQI
21st Oct 2025565 PMAQI
21st Oct 2025566 PMAQI
21st Oct 2025617 PMAQI
21st Oct 2025728 PMAQI
21st Oct 2025899 PMAQI
21st Oct 20259110 PMAQI
21st Oct 20258011 PMAQI
22nd Oct 20257612 AMAQI
22nd Oct 2025861 AMAQI
22nd Oct 2025822 AMAQI
22nd Oct 2025933 AMAQI
22nd Oct 2025834 AMAQI
22nd Oct 2025905 AMAQI
10°C8/13°C
22nd Oct 2025946 AMAQI
22nd Oct 2025927 AMAQI
22nd Oct 2025978 AMAQI
22nd Oct 20251129 AMAQI
22nd Oct 202510310 AMAQI
22nd Oct 20257911 AMAQI
22nd Oct 20256812 PMAQI
22nd Oct 2025521 PMAQI
22nd Oct 2025522 PMAQI
22nd Oct 2025503 PMAQI
22nd Oct 2025444 PMAQI
22nd Oct 2025475 PMAQI
22nd Oct 2025406 PMAQI
22nd Oct 2025417 PMAQI
22nd Oct 2025608 PMAQI
22nd Oct 2025569 PMAQI
22nd Oct 20256110 PMAQI
22nd Oct 20257011 PMAQI
23rd Oct 20257112 AMAQI
23rd Oct 2025781 AMAQI
23rd Oct 2025852 AMAQI
23rd Oct 2025933 AMAQI
23rd Oct 2025984 AMAQI
23rd Oct 20251065 AMAQI
10°C7/14°C
23rd Oct 20251116 AMAQI
23rd Oct 20251167 AMAQI
23rd Oct 20251098 AMAQI
23rd Oct 20251159 AMAQI
23rd Oct 202511410 AMAQI
23rd Oct 20258811 AMAQI
23rd Oct 20257812 PMAQI
23rd Oct 2025721 PMAQI
23rd Oct 2025652 PMAQI
23rd Oct 2025613 PMAQI
23rd Oct 2025544 PMAQI
23rd Oct 2025535 PMAQI
23rd Oct 2025566 PMAQI
23rd Oct 2025557 PMAQI
23rd Oct 2025508 PMAQI
23rd Oct 2025469 PMAQI
23rd Oct 20255310 PMAQI
23rd Oct 20256411 PMAQI
24th Oct 20257212 AMAQI
24th Oct 2025781 AMAQI
24th Oct 2025762 AMAQI
24th Oct 2025833 AMAQI
24th Oct 2025954 AMAQI
24th Oct 2025935 AMAQI
11°C9/15°C
24th Oct 2025926 AMAQI
24th Oct 2025977 AMAQI
24th Oct 2025938 AMAQI
24th Oct 2025809 AMAQI
24th Oct 20258310 AMAQI
24th Oct 20258011 AMAQI
24th Oct 20257812 PMAQI
24th Oct 2025701 PMAQI
24th Oct 2025642 PMAQI
24th Oct 2025563 PMAQI
24th Oct 2025624 PMAQI
24th Oct 2025625 PMAQI
24th Oct 2025636 PMAQI
24th Oct 2025687 PMAQI
24th Oct 2025718 PMAQI
24th Oct 2025699 PMAQI
24th Oct 20257210 PMAQI
24th Oct 20257711 PMAQI
25th Oct 20257912 AMAQI
25th Oct 2025821 AMAQI
25th Oct 2025832 AMAQI
25th Oct 2025883 AMAQI
25th Oct 20251004 AMAQI
25th Oct 20251095 AMAQI
12°C10/15°C
25th Oct 20251066 AMAQI
25th Oct 20251047 AMAQI
25th Oct 20251208 AMAQI
25th Oct 20251159 AMAQI
25th Oct 202511710 AMAQI
25th Oct 202510811 AMAQI
25th Oct 202511112 PMAQI
25th Oct 20251101 PMAQI
25th Oct 20251162 PMAQI
25th Oct 20251243 PMAQI
25th Oct 20251234 PMAQI
25th Oct 20251375 PMAQI
25th Oct 20251426 PMAQI
25th Oct 20251377 PMAQI
25th Oct 20251448 PMAQI
25th Oct 20251519 PMAQI
25th Oct 202515410 PMAQI
25th Oct 202516111 PMAQI
26th Oct 202516212 AMAQI
26th Oct 20251631 AMAQI
26th Oct 20251642 AMAQI
26th Oct 20251633 AMAQI
26th Oct 20251644 AMAQI
26th Oct 20251635 AMAQI
13°C10/16°C
26th Oct 20251636 AMAQI
26th Oct 20251657 AMAQI
26th Oct 20251668 AMAQI
26th Oct 20251669 AMAQI
26th Oct 202516410 AMAQI
26th Oct 202516311 AMAQI
26th Oct 202516312 PMAQI
26th Oct 20251611 PMAQI
26th Oct 20251552 PMAQI
26th Oct 20251593 PMAQI
26th Oct 20251574 PMAQI
26th Oct 20251605 PMAQI
26th Oct 2025866 PMAQI
26th Oct 2025637 PMAQI
26th Oct 2025568 PMAQI
26th Oct 2025579 PMAQI
26th Oct 20256110 PMAQI
26th Oct 20255611 PMAQI
27th Oct 20255512 AMAQI
27th Oct 2025581 AMAQI
27th Oct 2025622 AMAQI
27th Oct 2025643 AMAQI
27th Oct 2025624 AMAQI
27th Oct 2025635 AMAQI
12°C9/14°C
27th Oct 2025746 AMAQI
6 AM27th Oct 2025877 AMAQI
27th Oct 2025878 AMAQI
27th Oct 2025909 AMAQI
27th Oct 20259710 AMAQI
27th Oct 20258811 AMAQI
11 AM27th Oct 20257812 PMAQI
27th Oct 2025781 PMAQI
27th Oct 2025602 PMAQI
27th Oct 2025663 PMAQI
27th Oct 2025694 PMAQI
27th Oct 2025775 PMAQI
5 PM27th Oct 2025816 PMAQI
11 PM
5 AM
--°C/°C
Day time
Avg. Highest Time
7 AM - 10 AM
88AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
4 PM - 5 PM
67AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 10 AM (Avg. 88), while the lowest AQI was between 4 PM to 5 PM (Avg. 67).
Night time
Avg. Highest Time
2 AM - 5 AM
83AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
6 PM - 7 PM
66AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 5 AM (Avg. 83), while the lowest AQI was between 6 PM to 7 PM (Avg. 66).
2025 Days Vs Air Quality
Changyi Yizhong, Kuiju, Shandong, China
2025
5%
16
71%
213
19%
57
4%
13
Total number of days with different AQI categories in last 300 days in 2025 (65 days remaining)
Good
16 DaysModerate
213 DaysPoor
57 DaysUnhealthy
13 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 5%
Health Risk Level:
Extreme
In 2025, 5% of 300 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
Changyi Yizhong, Kuiju, Shandong, 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
166AQI
166AQI
2nd January 2025
99AQI
99AQI
3rd January 2025
145AQI
145AQI
4th January 2025
152AQI
152AQI
5th January 2025
192AQI
192AQI
6th January 2025
116AQI
116AQI
7th January 2025
119AQI
119AQI
8th January 2025
67AQI
67AQI
9th January 2025
80AQI
80AQI
10th January 2025
93AQI
93AQI
11th January 2025
116AQI
116AQI
12th January 2025
140AQI
140AQI
13th January 2025
151AQI
151AQI
14th January 2025
128AQI
128AQI
15th January 2025
96AQI
96AQI
16th January 2025
119AQI
119AQI
17th January 2025
105AQI
105AQI
18th January 2025
156AQI
156AQI
19th January 2025
143AQI
143AQI
20th January 2025
136AQI
136AQI
21st January 2025
168AQI
168AQI
22nd January 2025
135AQI
135AQI
23rd January 2025
143AQI
143AQI
24th January 2025
136AQI
136AQI
25th January 2025
142AQI
142AQI
26th January 2025
132AQI
132AQI
27th January 2025
77AQI
77AQI
28th January 2025
96AQI
96AQI
29th January 2025
130AQI
130AQI
30th January 2025
129AQI
129AQI
31st January 2025
151AQI
151AQI
1st February 2025
109AQI
109AQI
2nd February 2025
157AQI
157AQI
3rd February 2025
73AQI
73AQI
4th February 2025
90AQI
90AQI
5th February 2025
58AQI
58AQI
6th February 2025
98AQI
98AQI
7th February 2025
54AQI
54AQI
8th February 2025
66AQI
66AQI
9th February 2025
78AQI
78AQI
10th February 2025
121AQI
121AQI
11th February 2025
96AQI
96AQI
12th February 2025
120AQI
120AQI
13th February 2025
106AQI
106AQI
14th February 2025
144AQI
144AQI
15th February 2025
114AQI
114AQI
16th February 2025
98AQI
98AQI
17th February 2025
82AQI
82AQI
18th February 2025
92AQI
92AQI
19th February 2025
97AQI
97AQI
20th February 2025
93AQI
93AQI
21st February 2025
91AQI
91AQI
22nd February 2025
82AQI
82AQI
23rd February 2025
94AQI
94AQI
24th February 2025
85AQI
85AQI
25th February 2025
131AQI
131AQI
26th February 2025
132AQI
132AQI
27th February 2025
162AQI
162AQI
28th February 2025
171AQI
171AQI
1st March 2025
105AQI
105AQI
2nd March 2025
113AQI
113AQI
3rd March 2025
84AQI
84AQI
4th March 2025
99AQI
99AQI
5th March 2025
77AQI
77AQI
6th March 2025
104AQI
104AQI
7th March 2025
95AQI
95AQI
8th March 2025
151AQI
151AQI
9th March 2025
146AQI
146AQI
10th March 2025
159AQI
159AQI
11th March 2025
132AQI
132AQI
12th March 2025
128AQI
128AQI
13th March 2025
95AQI
95AQI
14th March 2025
98AQI
98AQI
15th March 2025
97AQI
97AQI
16th March 2025
76AQI
76AQI
17th March 2025
75AQI
75AQI
18th March 2025
57AQI
57AQI
19th March 2025
81AQI
81AQI
20th March 2025
84AQI
84AQI
21st March 2025
87AQI
87AQI
22nd March 2025
91AQI
91AQI
23rd March 2025
115AQI
115AQI
24th March 2025
106AQI
106AQI
25th March 2025
107AQI
107AQI
26th March 2025
120AQI
120AQI
27th March 2025
115AQI
115AQI
28th March 2025
80AQI
80AQI
29th March 2025
74AQI
74AQI
30th March 2025
94AQI
94AQI
31st March 2025
106AQI
106AQI
1st April 2025
124AQI
124AQI
2nd April 2025
77AQI
77AQI
3rd April 2025
82AQI
82AQI
4th April 2025
94AQI
94AQI
5th April 2025
65AQI
65AQI
6th April 2025
95AQI
95AQI
7th April 2025
127AQI
127AQI
8th April 2025
93AQI
93AQI
9th April 2025
114AQI
114AQI
10th April 2025
96AQI
96AQI
11th April 2025
114AQI
114AQI
12th April 2025
101AQI
101AQI
13th April 2025
79AQI
79AQI
14th April 2025
69AQI
69AQI
15th April 2025
82AQI
82AQI
16th April 2025
110AQI
110AQI
17th April 2025
133AQI
133AQI
18th April 2025
95AQI
95AQI
19th April 2025
86AQI
86AQI
20th April 2025
91AQI
91AQI
21st April 2025
84AQI
84AQI
22nd April 2025
87AQI
87AQI
23rd April 2025
75AQI
75AQI
24th April 2025
76AQI
76AQI
25th April 2025
81AQI
81AQI
26th April 2025
82AQI
82AQI
27th April 2025
89AQI
89AQI
28th April 2025
94AQI
94AQI
29th April 2025
89AQI
89AQI
30th April 2025
102AQI
102AQI
1st May 2025
91AQI
91AQI
2nd May 2025
82AQI
82AQI
3rd May 2025
69AQI
69AQI
4th May 2025
71AQI
71AQI
5th May 2025
61AQI
61AQI
6th May 2025
84AQI
84AQI
7th May 2025
93AQI
93AQI
8th May 2025
76AQI
76AQI
9th May 2025
70AQI
70AQI
10th May 2025
70AQI
70AQI
11th May 2025
87AQI
87AQI
12th May 2025
89AQI
89AQI
13th May 2025
98AQI
98AQI
14th May 2025
120AQI
120AQI
15th May 2025
82AQI
82AQI
16th May 2025
121AQI
121AQI
17th May 2025
82AQI
82AQI
18th May 2025
84AQI
84AQI
19th May 2025
113AQI
113AQI
20th May 2025
115AQI
115AQI
21st May 2025
100AQI
100AQI
22nd May 2025
126AQI
126AQI
23rd May 2025
83AQI
83AQI
24th May 2025
100AQI
100AQI
25th May 2025
80AQI
80AQI
26th May 2025
100AQI
100AQI
27th May 2025
92AQI
92AQI
28th May 2025
82AQI
82AQI
29th May 2025
84AQI
84AQI
30th May 2025
86AQI
86AQI
31st May 2025
103AQI
103AQI
1st June 2025
95AQI
95AQI
2nd June 2025
75AQI
75AQI
3rd June 2025
61AQI
61AQI
4th June 2025
55AQI
55AQI
5th June 2025
73AQI
73AQI
6th June 2025
81AQI
81AQI
7th June 2025
92AQI
92AQI
8th June 2025
81AQI
81AQI
9th June 2025
84AQI
84AQI
10th June 2025
65AQI
65AQI
11th June 2025
64AQI
64AQI
12th June 2025
55AQI
55AQI
13th June 2025
53AQI
53AQI
14th June 2025
52AQI
52AQI
15th June 2025
62AQI
62AQI
16th June 2025
54AQI
54AQI
17th June 2025
60AQI
60AQI
18th June 2025
65AQI
65AQI
19th June 2025
58AQI
58AQI
20th June 2025
51AQI
51AQI
21st June 2025
62AQI
62AQI
22nd June 2025
64AQI
64AQI
23rd June 2025
69AQI
69AQI
24th June 2025
66AQI
66AQI
25th June 2025
75AQI
75AQI
26th June 2025
89AQI
89AQI
27th June 2025
83AQI
83AQI
28th June 2025
82AQI
82AQI
29th June 2025
68AQI
68AQI
30th June 2025
62AQI
62AQI
1st July 2025
64AQI
64AQI
2nd July 2025
65AQI
65AQI
3rd July 2025
67AQI
67AQI
4th July 2025
64AQI
64AQI
5th July 2025
66AQI
66AQI
6th July 2025
62AQI
62AQI
7th July 2025
78AQI
78AQI
8th July 2025
54AQI
54AQI
9th July 2025
67AQI
67AQI
10th July 2025
70AQI
70AQI
11th July 2025
72AQI
72AQI
12th July 2025
66AQI
66AQI
13th July 2025
68AQI
68AQI
14th July 2025
52AQI
52AQI
15th July 2025
58AQI
58AQI
16th July 2025
62AQI
62AQI
17th July 2025
62AQI
62AQI
18th July 2025
58AQI
58AQI
19th July 2025
65AQI
65AQI
20th July 2025
60AQI
60AQI
21st July 2025
53AQI
53AQI
22nd July 2025
46AQI
46AQI
23rd July 2025
43AQI
43AQI
24th July 2025
47AQI
47AQI
25th July 2025
53AQI
53AQI
26th July 2025
53AQI
53AQI
27th July 2025
54AQI
54AQI
28th July 2025
51AQI
51AQI
29th July 2025
50AQI
50AQI
30th July 2025
58AQI
58AQI
31st July 2025
51AQI
51AQI
1st August 2025
50AQI
50AQI
2nd August 2025
50AQI
50AQI
3rd August 2025
50AQI
50AQI
4th August 2025
53AQI
53AQI
5th August 2025
56AQI
56AQI
6th August 2025
61AQI
61AQI
7th August 2025
58AQI
58AQI
8th August 2025
54AQI
54AQI
9th August 2025
42AQI
42AQI
10th August 2025
47AQI
47AQI
11th August 2025
56AQI
56AQI
12th August 2025
55AQI
55AQI
13th August 2025
55AQI
55AQI
14th August 2025
55AQI
55AQI
15th August 2025
53AQI
53AQI
16th August 2025
56AQI
56AQI
17th August 2025
55AQI
55AQI
18th August 2025
63AQI
63AQI
19th August 2025
65AQI
65AQI
20th August 2025
65AQI
65AQI
21st August 2025
67AQI
67AQI
22nd August 2025
67AQI
67AQI
23rd August 2025
68AQI
68AQI
24th August 2025
63AQI
63AQI
25th August 2025
69AQI
69AQI
26th August 2025
56AQI
56AQI
27th August 2025
59AQI
59AQI
28th August 2025
60AQI
60AQI
29th August 2025
61AQI
61AQI
30th August 2025
57AQI
57AQI
31st August 2025
51AQI
51AQI
1st September 2025
54AQI
54AQI
2nd September 2025
63AQI
63AQI
3rd September 2025
61AQI
61AQI
4th September 2025
62AQI
62AQI
5th September 2025
58AQI
58AQI
6th September 2025
61AQI
61AQI
7th September 2025
66AQI
66AQI
8th September 2025
78AQI
78AQI
9th September 2025
69AQI
69AQI
10th September 2025
69AQI
69AQI
11th September 2025
64AQI
64AQI
12th September 2025
63AQI
63AQI
13th September 2025
64AQI
64AQI
14th September 2025
74AQI
74AQI
15th September 2025
72AQI
72AQI
16th September 2025
67AQI
67AQI
17th September 2025
46AQI
46AQI
18th September 2025
48AQI
48AQI
19th September 2025
43AQI
43AQI
20th September 2025
60AQI
60AQI
21st September 2025
66AQI
66AQI
22nd September 2025
71AQI
71AQI
23rd September 2025
77AQI
77AQI
24th September 2025
72AQI
72AQI
25th September 2025
103AQI
103AQI
26th September 2025
130AQI
130AQI
27th September 2025
108AQI
108AQI
28th September 2025
97AQI
97AQI
29th September 2025
131AQI
131AQI
30th September 2025
122AQI
122AQI
1st October 2025
93AQI
93AQI
2nd October 2025
60AQI
60AQI
3rd October 2025
35AQI
35AQI
4th October 2025
66AQI
66AQI
5th October 2025
66AQI
66AQI
6th October 2025
51AQI
51AQI
7th October 2025
68AQI
68AQI
8th October 2025
74AQI
74AQI
9th October 2025
43AQI
43AQI
10th October 2025
44AQI
44AQI
11th October 2025
60AQI
60AQI
12th October 2025
75AQI
75AQI
13th October 2025
56AQI
56AQI
14th October 2025
94AQI
94AQI
15th October 2025
62AQI
62AQI
16th October 2025
86AQI
86AQI
17th October 2025
92AQI
92AQI
18th October 2025
47AQI
47AQI
19th October 2025
61AQI
61AQI
20th October 2025
69AQI
69AQI
21st October 2025
70AQI
70AQI
22nd October 2025
71AQI
71AQI
23rd October 2025
77AQI
77AQI
24th October 2025
76AQI
76AQI
25th October 2025
119AQI
119AQI
26th October 2025
154AQI
154AQI
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
128AQI
103AQI
102AQI
93AQI
90AQI
69AQI
59AQI
57AQI
74AQI
72AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202585AQI
7
17
7
17
8
3
17
12
2
22
8
25
6
30
4
27
5
26
3
22
5
4
20
1
1
16
213
57
13
Highest AQI recorded in
January128AQI
Lowest AQI recorded in
August57AQI
202498AQI
1
8
12
5
4
4
11
5
7
1
1
7
17
6
1
16
13
1
18
12
1
3
23
4
7
18
5
1
5
22
4
5
24
1
2
10
16
3
2
16
9
3
8
20
3
29
181
118
30
6
1
Highest AQI recorded in
January133AQI
Lowest AQI recorded in
September66AQI
2023105AQI
1
8
14
3
5
1
6
12
8
1
9
9
11
2
13
12
3
2
1
20
9
1
1
26
3
4
26
1
4
22
5
2
20
7
1
2
9
12
8
2
12
11
3
1
2
6
9
11
3
20
177
104
48
15
Highest AQI recorded in
December137AQI
Lowest AQI recorded in
August69AQI
2022102AQI
4
15
9
3
6
9
6
2
9
13
4
1
14
10
4
1
23
7
5
20
5
4
15
2
1
1
4
20
5
5
16
7
3
2
9
14
5
1
9
11
6
4
25
146
99
37
7
Highest AQI recorded in
January142AQI
Lowest AQI recorded in
June72AQI
2021104AQI
8
8
10
5
1
6
14
7
1
5
13
8
1
3
2
15
11
1
2
22
5
2
3
25
2
5
14
3
5
20
4
7
21
2
5
10
11
5
1
10
11
7
3
7
11
8
2
35
163
95
45
11
3
Highest AQI recorded in
March156AQI
Lowest AQI recorded in
July66AQI
2020101AQI
1
7
3
2
2
6
11
2
12
6
2
18
6
5
20
6
9
18
4
1
26
3
11
16
4
1
11
10
8
6
10
7
6
2
21
135
75
23
6
2
Highest AQI recorded in
December157AQI
Lowest AQI recorded in
August70AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
105AQILeast Polluted Year Recorded
2025(Avg.)
85AQIChangyi Yizhong's annual 2025 AQI (85) shows an average percentage change of -16.9% (improved AQI) compared to previous years: 2020 (101), 2021 (104), 2022 (102), 2023 (105), 2024 (98).
