Country Background

Hekou District, Shengli, 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

Hekou District, Shengli, Shandong, China

2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
31st Oct 2023
211AQI
Lowest AQI recorded on
4th Oct 2022
28AQI


Same Day Analysis (10th October ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 3rd highest AQI at 42 of Good air quality, showing improvement over 2024 and 2023 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 10th Oct - 11th Oct 2025

Hekou District, Shengli, Shandong, China

AQI
Day
Night
.

5 AM10th Oct 2025

6 PM

4 AM11th Oct 2025

Day time
Avg. Highest Time
6AM10th Oct

51AQI

Avg. Lowest Time
10AM10th Oct

32AQI

Night time
Avg. Highest Time
5AM10th Oct

56AQI

Avg. Lowest Time
11PM10th Oct

11AQI

In the last 24 hours,

Hekou District's AQI reached its highest point of 56 at 5 AM during the Night, while the lowest point, 11, was recorded at 11 PM during the Night between 10th Oct and 11th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Hekou District, Shengli, Shandong, China

SepOct
11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th
Day
Night
11th Sep 2025685 AMAQI
11th Sep 2025686 AMAQI
11th Sep 2025687 AMAQI
11th Sep 2025958 AMAQI
11th Sep 2025919 AMAQI
11th Sep 20257310 AMAQI
11th Sep 20258111 AMAQI
11th Sep 20257212 PMAQI
11th Sep 2025761 PMAQI
11th Sep 2025662 PMAQI
11th Sep 2025663 PMAQI
11th Sep 2025684 PMAQI
11th Sep 2025715 PMAQI
11th Sep 2025706 PMAQI
11th Sep 2025707 PMAQI
11th Sep 2025668 PMAQI
11th Sep 2025679 PMAQI
11th Sep 20256810 PMAQI
11th Sep 20256911 PMAQI
12th Sep 20257012 AMAQI
12th Sep 2025671 AMAQI
12th Sep 2025682 AMAQI
12th Sep 2025703 AMAQI
12th Sep 2025704 AMAQI

25°C22/30°C

12th Sep 2025695 AMAQI
12th Sep 2025686 AMAQI
12th Sep 2025697 AMAQI
12th Sep 2025868 AMAQI
12th Sep 2025919 AMAQI
12th Sep 20259410 AMAQI
12th Sep 20259011 AMAQI
12th Sep 20259612 PMAQI
12th Sep 20251011 PMAQI
12th Sep 2025912 PMAQI
12th Sep 2025823 PMAQI
12th Sep 2025744 PMAQI
12th Sep 2025685 PMAQI
12th Sep 2025696 PMAQI
12th Sep 2025727 PMAQI
12th Sep 2025718 PMAQI
12th Sep 2025759 PMAQI
12th Sep 20257210 PMAQI
12th Sep 20257411 PMAQI
13th Sep 20257612 AMAQI
13th Sep 2025681 AMAQI
13th Sep 2025682 AMAQI
13th Sep 2025703 AMAQI
13th Sep 2025724 AMAQI

23°C20/26°C

13th Sep 2025715 AMAQI
13th Sep 2025716 AMAQI
13th Sep 2025717 AMAQI
13th Sep 2025938 AMAQI
13th Sep 20251069 AMAQI
13th Sep 20259810 AMAQI
13th Sep 20256711 AMAQI
13th Sep 20257312 PMAQI
13th Sep 2025671 PMAQI
13th Sep 2025652 PMAQI
13th Sep 2025643 PMAQI
13th Sep 2025714 PMAQI
13th Sep 2025705 PMAQI
13th Sep 2025796 PMAQI
13th Sep 2025807 PMAQI
13th Sep 2025788 PMAQI
13th Sep 2025809 PMAQI
13th Sep 20258110 PMAQI
13th Sep 20258111 PMAQI
14th Sep 20257612 AMAQI
14th Sep 2025731 AMAQI
14th Sep 2025682 AMAQI
14th Sep 2025703 AMAQI
14th Sep 2025724 AMAQI

24°C20/30°C

14th Sep 2025725 AMAQI
14th Sep 2025706 AMAQI
14th Sep 2025707 AMAQI
14th Sep 20251028 AMAQI
14th Sep 20251129 AMAQI
14th Sep 202510310 AMAQI
14th Sep 20259011 AMAQI
14th Sep 20258612 PMAQI
14th Sep 2025911 PMAQI
14th Sep 2025862 PMAQI
14th Sep 2025803 PMAQI
14th Sep 2025814 PMAQI
14th Sep 2025865 PMAQI
14th Sep 2025746 PMAQI
14th Sep 2025767 PMAQI
14th Sep 2025798 PMAQI
14th Sep 2025789 PMAQI
14th Sep 20258210 PMAQI
14th Sep 20258411 PMAQI
15th Sep 20258212 AMAQI
15th Sep 2025711 AMAQI
15th Sep 2025682 AMAQI
15th Sep 2025733 AMAQI
15th Sep 2025744 AMAQI

26°C21/32°C

15th Sep 2025745 AMAQI
15th Sep 2025746 AMAQI
15th Sep 2025747 AMAQI
15th Sep 20251078 AMAQI
15th Sep 20251089 AMAQI
15th Sep 202511010 AMAQI
15th Sep 20258811 AMAQI
15th Sep 20259112 PMAQI
15th Sep 2025881 PMAQI
15th Sep 2025912 PMAQI
15th Sep 2025883 PMAQI
15th Sep 2025774 PMAQI
15th Sep 2025845 PMAQI
15th Sep 2025926 PMAQI
15th Sep 2025827 PMAQI
15th Sep 2025778 PMAQI
15th Sep 2025909 PMAQI
15th Sep 20258710 PMAQI
15th Sep 20258811 PMAQI
16th Sep 20257612 AMAQI
16th Sep 2025751 AMAQI
16th Sep 2025742 AMAQI
16th Sep 2025773 AMAQI
16th Sep 2025804 AMAQI

28°C23/33°C

16th Sep 2025805 AMAQI
16th Sep 2025806 AMAQI
16th Sep 2025807 AMAQI
16th Sep 20251118 AMAQI
16th Sep 20251309 AMAQI
16th Sep 202510210 AMAQI
16th Sep 202511611 AMAQI
16th Sep 20259412 PMAQI
16th Sep 2025871 PMAQI
16th Sep 20251022 PMAQI
16th Sep 2025923 PMAQI
16th Sep 2025874 PMAQI
16th Sep 2025665 PMAQI
16th Sep 2025486 PMAQI
16th Sep 2025517 PMAQI
16th Sep 2025648 PMAQI
16th Sep 2025649 PMAQI
16th Sep 20256110 PMAQI
16th Sep 20256111 PMAQI
17th Sep 20256512 AMAQI
17th Sep 2025761 AMAQI
17th Sep 2025772 AMAQI
17th Sep 2025823 AMAQI
17th Sep 2025834 AMAQI

23°C19/27°C

17th Sep 2025835 AMAQI
17th Sep 2025836 AMAQI
17th Sep 2025847 AMAQI
17th Sep 2025378 AMAQI
17th Sep 2025209 AMAQI
17th Sep 20252010 AMAQI
17th Sep 20252411 AMAQI
17th Sep 20251812 PMAQI
17th Sep 2025321 PMAQI
17th Sep 2025362 PMAQI
17th Sep 2025163 PMAQI
17th Sep 2025194 PMAQI
17th Sep 2025205 PMAQI
17th Sep 2025266 PMAQI
17th Sep 2025487 PMAQI
17th Sep 2025588 PMAQI
17th Sep 2025599 PMAQI
17th Sep 20256010 PMAQI
17th Sep 20255911 PMAQI
18th Sep 20256412 AMAQI
18th Sep 2025721 AMAQI
18th Sep 2025772 AMAQI
18th Sep 2025763 AMAQI
18th Sep 2025684 AMAQI

20°C18/23°C

18th Sep 2025695 AMAQI
18th Sep 2025696 AMAQI
18th Sep 2025707 AMAQI
18th Sep 2025578 AMAQI
18th Sep 2025509 AMAQI
18th Sep 20254110 AMAQI
18th Sep 20252811 AMAQI
18th Sep 20252212 PMAQI
18th Sep 2025211 PMAQI
18th Sep 2025182 PMAQI
18th Sep 2025183 PMAQI
18th Sep 2025184 PMAQI
18th Sep 2025185 PMAQI
18th Sep 2025206 PMAQI
18th Sep 2025347 PMAQI
18th Sep 2025568 PMAQI
18th Sep 2025579 PMAQI
18th Sep 20255610 PMAQI
18th Sep 20255611 PMAQI
19th Sep 20255512 AMAQI
19th Sep 2025681 AMAQI
19th Sep 2025692 AMAQI
19th Sep 2025683 AMAQI
19th Sep 2025654 AMAQI

20°C15/25°C

19th Sep 2025655 AMAQI
19th Sep 2025656 AMAQI
19th Sep 2025647 AMAQI
19th Sep 2025528 AMAQI
19th Sep 2025439 AMAQI
19th Sep 20252310 AMAQI
19th Sep 20252211 AMAQI
19th Sep 20252512 PMAQI
19th Sep 2025221 PMAQI
19th Sep 2025242 PMAQI
19th Sep 2025213 PMAQI
19th Sep 2025244 PMAQI
19th Sep 2025255 PMAQI
19th Sep 2025246 PMAQI
19th Sep 2025317 PMAQI
19th Sep 2025558 PMAQI
19th Sep 2025569 PMAQI
19th Sep 20255410 PMAQI
19th Sep 20255711 PMAQI
20th Sep 20255812 AMAQI
20th Sep 2025631 AMAQI
20th Sep 2025642 AMAQI
20th Sep 2025633 AMAQI
20th Sep 2025604 AMAQI

15°C13/15°C

20th Sep 2025605 AMAQI
20th Sep 2025606 AMAQI
20th Sep 2025607 AMAQI
20th Sep 2025608 AMAQI
20th Sep 2025589 AMAQI
20th Sep 20256910 AMAQI
20th Sep 20255311 AMAQI
20th Sep 20254812 PMAQI
20th Sep 2025461 PMAQI
20th Sep 2025512 PMAQI
20th Sep 2025463 PMAQI
20th Sep 2025464 PMAQI
20th Sep 2025405 PMAQI
20th Sep 2025366 PMAQI
20th Sep 2025537 PMAQI
20th Sep 2025558 PMAQI
20th Sep 2025579 PMAQI
20th Sep 20256610 PMAQI
20th Sep 20256811 PMAQI
21st Sep 20257112 AMAQI
21st Sep 2025621 AMAQI
21st Sep 2025602 AMAQI
21st Sep 2025603 AMAQI
21st Sep 2025604 AMAQI

17°C11/25°C

21st Sep 2025615 AMAQI
21st Sep 2025606 AMAQI
21st Sep 2025607 AMAQI
21st Sep 2025888 AMAQI
21st Sep 20251119 AMAQI
21st Sep 20259010 AMAQI
21st Sep 20256511 AMAQI
21st Sep 20255312 PMAQI
21st Sep 2025511 PMAQI
21st Sep 2025442 PMAQI
21st Sep 2025443 PMAQI
21st Sep 2025404 PMAQI
21st Sep 2025545 PMAQI
21st Sep 2025556 PMAQI
21st Sep 2025557 PMAQI
21st Sep 2025578 PMAQI
21st Sep 2025629 PMAQI
21st Sep 20256010 PMAQI
21st Sep 20256211 PMAQI
22nd Sep 20256012 AMAQI
22nd Sep 2025621 AMAQI
22nd Sep 2025612 AMAQI
22nd Sep 2025623 AMAQI
22nd Sep 2025644 AMAQI

21°C17/26°C

22nd Sep 2025645 AMAQI
22nd Sep 2025646 AMAQI
22nd Sep 2025647 AMAQI
22nd Sep 2025578 AMAQI
22nd Sep 2025519 AMAQI
22nd Sep 20254810 AMAQI
22nd Sep 20254711 AMAQI
22nd Sep 20254412 PMAQI
22nd Sep 2025441 PMAQI
22nd Sep 2025392 PMAQI
22nd Sep 2025403 PMAQI
22nd Sep 2025374 PMAQI
22nd Sep 2025385 PMAQI
22nd Sep 2025446 PMAQI
22nd Sep 2025547 PMAQI
22nd Sep 2025578 PMAQI
22nd Sep 2025579 PMAQI
22nd Sep 20255810 PMAQI
22nd Sep 20255711 PMAQI
23rd Sep 20255512 AMAQI
23rd Sep 2025631 AMAQI
23rd Sep 2025632 AMAQI
23rd Sep 2025633 AMAQI
23rd Sep 2025624 AMAQI

19°C17/20°C

23rd Sep 2025615 AMAQI
23rd Sep 2025626 AMAQI
23rd Sep 2025607 AMAQI
23rd Sep 2025688 AMAQI
23rd Sep 2025629 AMAQI
23rd Sep 20257010 AMAQI
23rd Sep 20258411 AMAQI
23rd Sep 20258012 PMAQI
23rd Sep 2025741 PMAQI
23rd Sep 2025552 PMAQI
23rd Sep 2025673 PMAQI
23rd Sep 2025744 PMAQI
23rd Sep 2025705 PMAQI
23rd Sep 2025576 PMAQI
23rd Sep 2025577 PMAQI
23rd Sep 2025568 PMAQI
23rd Sep 2025569 PMAQI
23rd Sep 20255610 PMAQI
23rd Sep 20256011 PMAQI
24th Sep 20256212 AMAQI
24th Sep 2025631 AMAQI
24th Sep 2025622 AMAQI
24th Sep 2025643 AMAQI
24th Sep 2025664 AMAQI

18°C16/20°C

24th Sep 2025665 AMAQI
24th Sep 2025666 AMAQI
24th Sep 2025657 AMAQI
24th Sep 2025668 AMAQI
24th Sep 2025649 AMAQI
24th Sep 20256610 AMAQI
24th Sep 20256711 AMAQI
24th Sep 20256612 PMAQI
24th Sep 2025761 PMAQI
24th Sep 2025722 PMAQI
24th Sep 2025733 PMAQI
24th Sep 2025744 PMAQI
24th Sep 2025765 PMAQI
24th Sep 2025726 PMAQI
24th Sep 2025717 PMAQI
24th Sep 2025748 PMAQI
24th Sep 2025799 PMAQI
24th Sep 20257810 PMAQI
24th Sep 20258211 PMAQI
25th Sep 20257812 AMAQI
25th Sep 2025681 AMAQI
25th Sep 2025652 AMAQI
25th Sep 2025663 AMAQI
25th Sep 2025664 AMAQI

19°C15/25°C

25th Sep 2025655 AMAQI
25th Sep 2025666 AMAQI
25th Sep 2025667 AMAQI
25th Sep 2025828 AMAQI
25th Sep 2025989 AMAQI
25th Sep 202512110 AMAQI
25th Sep 202511611 AMAQI
25th Sep 202510212 PMAQI
25th Sep 2025811 PMAQI
25th Sep 2025842 PMAQI
25th Sep 2025823 PMAQI
25th Sep 2025714 PMAQI
25th Sep 2025705 PMAQI
25th Sep 2025666 PMAQI
25th Sep 2025657 PMAQI
25th Sep 2025778 PMAQI
25th Sep 2025949 PMAQI
25th Sep 202510510 PMAQI
25th Sep 202510711 PMAQI
26th Sep 202511312 AMAQI
26th Sep 20251191 AMAQI
26th Sep 20251232 AMAQI
26th Sep 20251283 AMAQI
26th Sep 20251374 AMAQI

22°C17/28°C

26th Sep 20251255 AMAQI
26th Sep 20251476 AMAQI
26th Sep 20251487 AMAQI
26th Sep 20251388 AMAQI
26th Sep 20251219 AMAQI
26th Sep 20259910 AMAQI
26th Sep 20259311 AMAQI
26th Sep 20259612 PMAQI
26th Sep 2025991 PMAQI
26th Sep 20251032 PMAQI
26th Sep 20251083 PMAQI
26th Sep 20251034 PMAQI
26th Sep 20251025 PMAQI
26th Sep 2025966 PMAQI
26th Sep 2025927 PMAQI
26th Sep 2025848 PMAQI
26th Sep 2025689 PMAQI
26th Sep 20257010 PMAQI
26th Sep 20258211 PMAQI
27th Sep 20259212 AMAQI
27th Sep 2025801 AMAQI
27th Sep 2025722 AMAQI
27th Sep 2025963 AMAQI
27th Sep 2025974 AMAQI

22°C18/28°C

27th Sep 2025945 AMAQI
27th Sep 2025956 AMAQI
27th Sep 20251067 AMAQI
27th Sep 20251068 AMAQI
27th Sep 2025839 AMAQI
27th Sep 20256410 AMAQI
27th Sep 20256011 AMAQI
27th Sep 20256512 PMAQI
27th Sep 2025601 PMAQI
27th Sep 2025582 PMAQI
27th Sep 2025553 PMAQI
27th Sep 2025584 PMAQI
27th Sep 2025615 PMAQI
27th Sep 2025646 PMAQI
27th Sep 2025767 PMAQI
27th Sep 2025708 PMAQI
27th Sep 2025799 PMAQI
27th Sep 20257910 PMAQI
27th Sep 20258011 PMAQI
28th Sep 20257712 AMAQI
28th Sep 2025801 AMAQI
28th Sep 2025832 AMAQI
28th Sep 2025833 AMAQI
28th Sep 2025744 AMAQI

20°C18/21°C

28th Sep 2025815 AMAQI
28th Sep 2025826 AMAQI
28th Sep 2025977 AMAQI
28th Sep 2025888 AMAQI
28th Sep 2025779 AMAQI
28th Sep 20257110 AMAQI
28th Sep 20257311 AMAQI
28th Sep 20257012 PMAQI
28th Sep 2025671 PMAQI
28th Sep 2025542 PMAQI
28th Sep 2025563 PMAQI
28th Sep 2025684 PMAQI
28th Sep 2025705 PMAQI
28th Sep 2025836 PMAQI
28th Sep 2025937 PMAQI
28th Sep 2025908 PMAQI
28th Sep 2025979 PMAQI
28th Sep 202511310 PMAQI
28th Sep 202512011 PMAQI
29th Sep 202512112 AMAQI
29th Sep 20251131 AMAQI
29th Sep 20251172 AMAQI
29th Sep 20251243 AMAQI
29th Sep 20251294 AMAQI

21°C16/26°C

29th Sep 20251335 AMAQI
29th Sep 20251326 AMAQI
29th Sep 20251307 AMAQI
29th Sep 20251388 AMAQI
29th Sep 20251379 AMAQI
29th Sep 202513810 AMAQI
29th Sep 202512911 AMAQI
29th Sep 202511912 PMAQI
29th Sep 20251001 PMAQI
29th Sep 2025852 PMAQI
29th Sep 2025503 PMAQI
29th Sep 2025514 PMAQI
29th Sep 2025565 PMAQI
29th Sep 2025326 PMAQI
29th Sep 2025597 PMAQI
29th Sep 2025698 PMAQI
29th Sep 2025839 PMAQI
29th Sep 20258710 PMAQI
29th Sep 20258211 PMAQI
30th Sep 20259112 AMAQI
30th Sep 2025921 AMAQI
30th Sep 2025912 AMAQI
30th Sep 20251213 AMAQI
30th Sep 2025944 AMAQI

23°C18/28°C

30th Sep 20251005 AMAQI
30th Sep 20251206 AMAQI
30th Sep 20251427 AMAQI
30th Sep 20251428 AMAQI
30th Sep 20251259 AMAQI
30th Sep 202512510 AMAQI
30th Sep 202510511 AMAQI
30th Sep 20258012 PMAQI
30th Sep 2025711 PMAQI
30th Sep 2025732 PMAQI
30th Sep 2025593 PMAQI
30th Sep 2025644 PMAQI
30th Sep 2025695 PMAQI
30th Sep 2025576 PMAQI
30th Sep 2025637 PMAQI
30th Sep 2025808 PMAQI
30th Sep 2025839 PMAQI
30th Sep 20259110 PMAQI
30th Sep 202510711 PMAQI
1st Oct 202510912 AMAQI
1st Oct 20251221 AMAQI
1st Oct 20251082 AMAQI
1st Oct 20251193 AMAQI
1st Oct 20251224 AMAQI

23°C18/28°C

1st Oct 20251225 AMAQI
1st Oct 20251086 AMAQI
1st Oct 20251157 AMAQI
1st Oct 20251078 AMAQI
1st Oct 20251169 AMAQI
1st Oct 202510310 AMAQI
1st Oct 20259811 AMAQI
1st Oct 20259412 PMAQI
1st Oct 2025941 PMAQI
1st Oct 2025942 PMAQI
1st Oct 2025913 PMAQI
1st Oct 2025894 PMAQI
1st Oct 2025905 PMAQI
1st Oct 2025966 PMAQI
1st Oct 2025867 PMAQI
1st Oct 2025848 PMAQI
1st Oct 2025949 PMAQI
1st Oct 20259410 PMAQI
1st Oct 20259411 PMAQI
2nd Oct 202511212 AMAQI
2nd Oct 20251131 AMAQI
2nd Oct 20251102 AMAQI
2nd Oct 2025923 AMAQI
2nd Oct 2025704 AMAQI

24°C20/29°C

2nd Oct 2025595 AMAQI
2nd Oct 2025616 AMAQI
2nd Oct 2025647 AMAQI
2nd Oct 2025668 AMAQI
2nd Oct 2025679 AMAQI
2nd Oct 20256610 AMAQI
2nd Oct 20255911 AMAQI
2nd Oct 20255412 PMAQI
2nd Oct 2025441 PMAQI
2nd Oct 2025462 PMAQI
2nd Oct 2025563 PMAQI
2nd Oct 2025564 PMAQI
2nd Oct 2025595 PMAQI
2nd Oct 2025626 PMAQI
2nd Oct 2025547 PMAQI
2nd Oct 2025548 PMAQI
2nd Oct 2025549 PMAQI
2nd Oct 20255310 PMAQI
2nd Oct 20255411 PMAQI
3rd Oct 20255212 AMAQI
3rd Oct 2025531 AMAQI
3rd Oct 2025472 AMAQI
3rd Oct 2025423 AMAQI
3rd Oct 2025424 AMAQI

18°C18/20°C

3rd Oct 2025435 AMAQI
3rd Oct 2025396 AMAQI
3rd Oct 2025457 AMAQI
3rd Oct 2025498 AMAQI
3rd Oct 2025479 AMAQI
3rd Oct 20254210 AMAQI
3rd Oct 20254411 AMAQI
3rd Oct 20254312 PMAQI
3rd Oct 2025501 PMAQI
3rd Oct 2025572 PMAQI
3rd Oct 2025573 PMAQI
3rd Oct 2025554 PMAQI
3rd Oct 2025415 PMAQI
3rd Oct 2025386 PMAQI
3rd Oct 2025407 PMAQI
3rd Oct 2025468 PMAQI
3rd Oct 2025499 PMAQI
3rd Oct 20254510 PMAQI
3rd Oct 20254711 PMAQI
4th Oct 20254912 AMAQI
4th Oct 2025561 AMAQI
4th Oct 2025572 AMAQI
4th Oct 2025583 AMAQI
4th Oct 2025584 AMAQI

20°C18/24°C

4th Oct 2025625 AMAQI
4th Oct 2025606 AMAQI
4th Oct 2025617 AMAQI
4th Oct 2025618 AMAQI
4th Oct 2025639 AMAQI
4th Oct 20256910 AMAQI
4th Oct 20256911 AMAQI
4th Oct 20256812 PMAQI
4th Oct 2025581 PMAQI
4th Oct 2025562 PMAQI
4th Oct 2025563 PMAQI
4th Oct 2025564 PMAQI
4th Oct 2025565 PMAQI
4th Oct 2025566 PMAQI
4th Oct 2025567 PMAQI
4th Oct 2025558 PMAQI
4th Oct 2025409 PMAQI
4th Oct 20254010 PMAQI
4th Oct 20255111 PMAQI
5th Oct 20255512 AMAQI
5th Oct 2025651 AMAQI
5th Oct 2025842 AMAQI
5th Oct 2025813 AMAQI
5th Oct 2025964 AMAQI

22°C18/26°C

5th Oct 2025895 AMAQI
5th Oct 2025896 AMAQI
5th Oct 2025887 AMAQI
5th Oct 2025728 AMAQI
5th Oct 2025539 AMAQI
5th Oct 20255510 AMAQI
5th Oct 20255111 AMAQI
5th Oct 20254112 PMAQI
5th Oct 2025401 PMAQI
5th Oct 2025462 PMAQI
5th Oct 2025503 PMAQI
5th Oct 2025624 PMAQI
5th Oct 2025655 PMAQI
5th Oct 2025486 PMAQI
5th Oct 2025437 PMAQI
5th Oct 2025428 PMAQI
5th Oct 2025509 PMAQI
5th Oct 20256810 PMAQI
5th Oct 20257011 PMAQI
6th Oct 20256812 AMAQI
6th Oct 2025541 AMAQI
6th Oct 2025672 AMAQI
6th Oct 2025553 AMAQI
6th Oct 2025484 AMAQI

19°C16/21°C

6th Oct 2025515 AMAQI
6th Oct 2025536 AMAQI
6th Oct 2025607 AMAQI
6th Oct 2025628 AMAQI
6th Oct 2025449 AMAQI
6th Oct 20254110 AMAQI
6th Oct 20254111 AMAQI
6th Oct 20254212 PMAQI
6th Oct 2025401 PMAQI
6th Oct 2025382 PMAQI
6th Oct 2025463 PMAQI
6th Oct 2025494 PMAQI
6th Oct 2025395 PMAQI
6th Oct 2025506 PMAQI
6th Oct 2025547 PMAQI
6th Oct 2025548 PMAQI
6th Oct 2025469 PMAQI
6th Oct 20255410 PMAQI
6th Oct 20255811 PMAQI
7th Oct 20255812 AMAQI
7th Oct 2025581 AMAQI

16°C15/16°C

7th Oct 2025487 PMAQI
7th Oct 2025828 PMAQI
7th Oct 2025809 PMAQI
7th Oct 20258410 PMAQI
7th Oct 20258711 PMAQI
8th Oct 20258512 AMAQI
8th Oct 2025871 AMAQI
8th Oct 2025842 AMAQI
8th Oct 2025983 AMAQI
8th Oct 2025934 AMAQI

18°C15/22°C

8th Oct 2025895 AMAQI
8th Oct 2025996 AMAQI
8th Oct 2025927 AMAQI
8th Oct 2025848 AMAQI
8th Oct 2025859 AMAQI
8th Oct 20258110 AMAQI
8th Oct 20258011 AMAQI
8th Oct 20257812 PMAQI
8th Oct 2025771 PMAQI
8th Oct 2025582 PMAQI
8th Oct 2025583 PMAQI
8th Oct 2025574 PMAQI
8th Oct 2025565 PMAQI
8th Oct 2025566 PMAQI
8th Oct 2025567 PMAQI
8th Oct 2025558 PMAQI
8th Oct 2025589 PMAQI
8th Oct 20255310 PMAQI
8th Oct 20253811 PMAQI
9th Oct 20254012 AMAQI
9th Oct 2025461 AMAQI
9th Oct 2025422 AMAQI
9th Oct 2025413 AMAQI
9th Oct 2025454 AMAQI

17°C14/19°C

9th Oct 2025385 AMAQI
9th Oct 2025426 AMAQI
9th Oct 2025397 AMAQI
9th Oct 2025428 AMAQI
9th Oct 2025369 AMAQI
9th Oct 20253810 AMAQI
9th Oct 20253711 AMAQI
9th Oct 20253912 PMAQI
9th Oct 2025421 PMAQI
9th Oct 2025392 PMAQI
9th Oct 2025393 PMAQI
9th Oct 2025384 PMAQI
9th Oct 2025365 PMAQI
9th Oct 2025376 PMAQI
9th Oct 2025407 PMAQI
9th Oct 2025358 PMAQI
9th Oct 2025389 PMAQI
9th Oct 20254310 PMAQI
9th Oct 20253811 PMAQI
10th Oct 20254012 AMAQI
10th Oct 2025391 AMAQI
10th Oct 2025502 AMAQI
10th Oct 2025523 AMAQI
10th Oct 2025554 AMAQI

14°C13/15°C

10th Oct 2025565 AMAQI
10th Oct 2025516 AMAQI
10th Oct 2025517 AMAQI
10th Oct 2025518 AMAQI
10th Oct 2025409 AMAQI
10th Oct 20253210 AMAQI
10th Oct 20253711 AMAQI
10th Oct 20253512 PMAQI
10th Oct 2025371 PMAQI
10th Oct 2025422 PMAQI
10th Oct 2025373 PMAQI
10th Oct 2025384 PMAQI
10th Oct 2025405 PMAQI
10th Oct 2025436 PMAQI
10th Oct 2025417 PMAQI
10th Oct 2025418 PMAQI
10th Oct 2025469 PMAQI
10th Oct 20253910 PMAQI
10th Oct 20251111 PMAQI
11th Oct 20253712 AMAQI
11th Oct 2025411 AMAQI
11th Oct 2025402 AMAQI
11th Oct 2025213 AMAQI
11th Oct 2025124 AMAQI

15°C14/16°C

11th Oct 2025145 AMAQI
5 AM
11th Oct 2025376 AMAQI
11th Oct 2025447 AMAQI
11th Oct 2025468 AMAQI
11th Oct 2025409 AMAQI
11th Oct 20254010 AMAQI
11th Oct 20254211 AMAQI
11 AM
11th Oct 20254812 PMAQI
11th Oct 2025481 PMAQI
11th Oct 2025542 PMAQI
11th Oct 2025523 PMAQI
11th Oct 2025544 PMAQI
11th Oct 2025625 PMAQI
11th Oct 2025736 PMAQI
6 PM
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
8 AM - 9 AM

79AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
6 PM

57AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 9 AM (Avg. 79), while the lowest AQI was between 6 PM to 6 PM (Avg. 57).
Night time
Avg. Highest Time
12 AM - 4 AM

73AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
7 PM

60AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 73), while the lowest AQI was between 7 PM to 7 PM (Avg. 60).

2025 Days Vs Air Quality

Hekou District, Shengli, Shandong, China

2025

6%

18

77%

219

15%

42

1%

4

Total number of days with different AQI categories in last 284 days in 2025 (81 days remaining)

Good
18 Days
Moderate
219 Days
Poor
42 Days
Unhealthy
4 Days
Severe
0 Days
Hazardous
0 Days



Under WHO’s Safe Air Quality Limits: 6%

Health Risk Level:

Extreme

In 2025, 6% of 284 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

Hekou District, Shengli, 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
129AQI
2nd January 2025
73AQI
3rd January 2025
118AQI
4th January 2025
146AQI
5th January 2025
172AQI
6th January 2025
88AQI
7th January 2025
94AQI
8th January 2025
52AQI
9th January 2025
57AQI
10th January 2025
68AQI
11th January 2025
97AQI
12th January 2025
91AQI
13th January 2025
135AQI
14th January 2025
89AQI
15th January 2025
77AQI
16th January 2025
82AQI
17th January 2025
89AQI
18th January 2025
140AQI
19th January 2025
117AQI
20th January 2025
140AQI
21st January 2025
125AQI
22nd January 2025
79AQI
23rd January 2025
100AQI
24th January 2025
107AQI
25th January 2025
95AQI
26th January 2025
102AQI
27th January 2025
59AQI
28th January 2025
89AQI
29th January 2025
129AQI
30th January 2025
101AQI
31st January 2025
103AQI
1st February 2025
88AQI
2nd February 2025
135AQI
3rd February 2025
59AQI
4th February 2025
81AQI
5th February 2025
55AQI
6th February 2025
80AQI
7th February 2025
42AQI
8th February 2025
46AQI
9th February 2025
73AQI
10th February 2025
114AQI
11th February 2025
121AQI
12th February 2025
82AQI
13th February 2025
113AQI
14th February 2025
125AQI
15th February 2025
116AQI
16th February 2025
81AQI
17th February 2025
68AQI
18th February 2025
70AQI
19th February 2025
65AQI
20th February 2025
83AQI
21st February 2025
73AQI
22nd February 2025
73AQI
23rd February 2025
59AQI
24th February 2025
78AQI
25th February 2025
94AQI
26th February 2025
123AQI
27th February 2025
147AQI
28th February 2025
166AQI
1st March 2025
124AQI
2nd March 2025
92AQI
3rd March 2025
82AQI
4th March 2025
89AQI
5th March 2025
78AQI
6th March 2025
82AQI
7th March 2025
88AQI
8th March 2025
145AQI
9th March 2025
142AQI
10th March 2025
154AQI
11th March 2025
156AQI
12th March 2025
124AQI
13th March 2025
96AQI
14th March 2025
100AQI
15th March 2025
71AQI
16th March 2025
67AQI
17th March 2025
63AQI
18th March 2025
54AQI
19th March 2025
77AQI
20th March 2025
73AQI
21st March 2025
71AQI
22nd March 2025
88AQI
23rd March 2025
114AQI
24th March 2025
101AQI
25th March 2025
87AQI
26th March 2025
107AQI
27th March 2025
80AQI
28th March 2025
65AQI
29th March 2025
57AQI
30th March 2025
76AQI
31st March 2025
94AQI
1st April 2025
105AQI
2nd April 2025
62AQI
3rd April 2025
81AQI
4th April 2025
107AQI
5th April 2025
54AQI
6th April 2025
89AQI
7th April 2025
125AQI
8th April 2025
76AQI
9th April 2025
93AQI
10th April 2025
88AQI
11th April 2025
105AQI
12th April 2025
104AQI
13th April 2025
74AQI
14th April 2025
63AQI
15th April 2025
69AQI
16th April 2025
96AQI
17th April 2025
119AQI
18th April 2025
72AQI
19th April 2025
74AQI
20th April 2025
75AQI
21st April 2025
86AQI
22nd April 2025
62AQI
23rd April 2025
90AQI
24th April 2025
55AQI
25th April 2025
77AQI
26th April 2025
77AQI
27th April 2025
65AQI
28th April 2025
69AQI
29th April 2025
79AQI
30th April 2025
92AQI
1st May 2025
82AQI
2nd May 2025
76AQI
3rd May 2025
60AQI
4th May 2025
71AQI
5th May 2025
73AQI
6th May 2025
65AQI
7th May 2025
91AQI
8th May 2025
74AQI
9th May 2025
69AQI
10th May 2025
64AQI
11th May 2025
76AQI
12th May 2025
76AQI
13th May 2025
89AQI
14th May 2025
87AQI
15th May 2025
71AQI
16th May 2025
103AQI
17th May 2025
70AQI
18th May 2025
83AQI
19th May 2025
104AQI
20th May 2025
101AQI
21st May 2025
94AQI
22nd May 2025
116AQI
23rd May 2025
86AQI
24th May 2025
84AQI
25th May 2025
75AQI
26th May 2025
86AQI
27th May 2025
88AQI
28th May 2025
97AQI
29th May 2025
90AQI
30th May 2025
90AQI
31st May 2025
102AQI
1st June 2025
92AQI
2nd June 2025
91AQI
3rd June 2025
61AQI
4th June 2025
55AQI
5th June 2025
73AQI
6th June 2025
89AQI
7th June 2025
83AQI
8th June 2025
76AQI
9th June 2025
92AQI
10th June 2025
62AQI
11th June 2025
67AQI
12th June 2025
61AQI
13th June 2025
57AQI
14th June 2025
61AQI
15th June 2025
58AQI
16th June 2025
47AQI
17th June 2025
62AQI
18th June 2025
64AQI
19th June 2025
58AQI
20th June 2025
61AQI
21st June 2025
67AQI
22nd June 2025
77AQI
23rd June 2025
71AQI
24th June 2025
72AQI
25th June 2025
75AQI
26th June 2025
83AQI
27th June 2025
85AQI
28th June 2025
90AQI
29th June 2025
72AQI
30th June 2025
68AQI
1st July 2025
59AQI
2nd July 2025
58AQI
3rd July 2025
57AQI
4th July 2025
68AQI
5th July 2025
64AQI
6th July 2025
48AQI
7th July 2025
61AQI
8th July 2025
58AQI
9th July 2025
60AQI
10th July 2025
64AQI
11th July 2025
65AQI
12th July 2025
72AQI
13th July 2025
67AQI
14th July 2025
53AQI
15th July 2025
56AQI
16th July 2025
53AQI
17th July 2025
60AQI
18th July 2025
59AQI
19th July 2025
58AQI
20th July 2025
64AQI
21st July 2025
48AQI
22nd July 2025
49AQI
23rd July 2025
42AQI
24th July 2025
50AQI
25th July 2025
57AQI
26th July 2025
55AQI
27th July 2025
46AQI
28th July 2025
50AQI
29th July 2025
47AQI
30th July 2025
47AQI
31st July 2025
53AQI
1st August 2025
58AQI
2nd August 2025
57AQI
3rd August 2025
58AQI
4th August 2025
55AQI
5th August 2025
63AQI
6th August 2025
65AQI
7th August 2025
58AQI
8th August 2025
57AQI
9th August 2025
44AQI
10th August 2025
53AQI
11th August 2025
58AQI
12th August 2025
63AQI
13th August 2025
63AQI
14th August 2025
65AQI
15th August 2025
59AQI
16th August 2025
57AQI
17th August 2025
57AQI
18th August 2025
63AQI
19th August 2025
67AQI
20th August 2025
64AQI
21st August 2025
65AQI
22nd August 2025
62AQI
23rd August 2025
60AQI
24th August 2025
61AQI
25th August 2025
60AQI
26th August 2025
59AQI
27th August 2025
61AQI
28th August 2025
56AQI
29th August 2025
58AQI
30th August 2025
59AQI
31st August 2025
56AQI
1st September 2025
58AQI
2nd September 2025
68AQI
3rd September 2025
69AQI
4th September 2025
59AQI
5th September 2025
66AQI
6th September 2025
67AQI
7th September 2025
72AQI
8th September 2025
78AQI
9th September 2025
70AQI
10th September 2025
70AQI
11th September 2025
71AQI
12th September 2025
76AQI
13th September 2025
75AQI
14th September 2025
80AQI
15th September 2025
84AQI
16th September 2025
78AQI
17th September 2025
52AQI
18th September 2025
49AQI
19th September 2025
47AQI
20th September 2025
56AQI
21st September 2025
61AQI
22nd September 2025
54AQI
23rd September 2025
63AQI
24th September 2025
70AQI
25th September 2025
80AQI
26th September 2025
108AQI
27th September 2025
80AQI
28th September 2025
83AQI
29th September 2025
103AQI
30th September 2025
87AQI
1st October 2025
104AQI
2nd October 2025
71AQI
3rd October 2025
47AQI
4th October 2025
55AQI
5th October 2025
63AQI
6th October 2025
60AQI
7th October 2025
74AQI
8th October 2025
73AQI
9th October 2025
39AQI
10th October 2025
42AQI
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

101AQI

90AQI

93AQI

83AQI

84AQI

71AQI

56AQI

59AQI

71AQI

63AQI


No. of days

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

202578AQI

17
13
1
2
17
8
1
22
7
2
24
6
26
5
1
29
9
22
1
30
2
26
2
3
6
1
18
219
42
4

Highest AQI recorded in

January

101AQI


Lowest AQI recorded in

July

56AQI


202492AQI

4
10
9
7
1
8
6
6
7
2
2
7
14
8
10
17
3
1
22
7
1
2
23
5
6
19
6
8
23
14
15
1
6
10
12
3
4
12
10
4
1
20
9
1
56
177
96
34
3

Highest AQI recorded in

March

122AQI


Lowest AQI recorded in

September

54AQI


202395AQI

4
6
15
4
2
4
8
8
8
10
11
8
2
2
14
10
2
2
4
19
6
2
25
5
7
22
2
10
19
2
6
17
7
3
13
10
4
1
8
10
6
5
7
5
10
5
4
55
168
92
38
11

Highest AQI recorded in

March

128AQI


Lowest AQI recorded in

August

63AQI


202287AQI

1
4
3
24
4
6
21
3
3
16
5
1
1
6
15
7
7
12
10
2
8
6
11
5
4
11
10
3
3
39
110
50
10
3

Highest AQI recorded in

December

109AQI


Lowest AQI recorded in

August

63AQI


2021121AQI

2
9
7
12
1
2
1
2
11
7
13
1

Highest AQI recorded in

January

122AQI


Lowest AQI recorded in

February

109AQI


202097AQI

2
6
3
2
2
5
9
4
7
11
1
16
9
1
15
13
2
7
17
6
2
20
6
5
10
12
4
6
12
4
7
2
13
7
6
3
28
121
80
25
3

Highest AQI recorded in

December

125AQI


Lowest AQI recorded in

August

75AQI


Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2021(Avg.)
121AQI
Least Polluted Year Recorded
2025(Avg.)
78AQI


Hekou District's annual 2025 AQI (78) shows an average percentage change of -19.5% (improved AQI) compared to previous years: 2020 (97), 2021 (121), 2022 (87), 2023 (95), 2024 (92).