Leidazhanzi Station, Tangshan, Hebei, 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
Leidazhanzi Station, Tangshan, Hebei, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
25th Oct 2023
204AQILowest AQI recorded on
4th Oct 2022
26AQISame Day Analysis (8th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 105 of Poor air quality, showing improvement over 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 8th Oct - 9th Oct 2025
Leidazhanzi Station, Tangshan, Hebei, China
AQI
Day
Night
.
5 AM8th Oct 2025
6 PM
4 AM9th Oct 2025
Day time
Avg. Highest Time
6AM8th Oct
110AQI
Avg. Lowest Time
4PM8th Oct
41AQI
Night time
Avg. Highest Time
5AM8th Oct
114AQI
Avg. Lowest Time
7PM8th Oct
44AQI
In the last 24 hours,
Leidazhanzi Station's AQI reached its highest point of 114 at 5 AM during the Night, while the lowest point, 41, was recorded at 4 PM during the Day between 8th Oct and 9th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Leidazhanzi Station, Tangshan, Hebei, China
SepOct
09th - 10th10th - 11th11th - 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
Day
Night
9th Sep 2025725 AMAQI
9th Sep 2025726 AMAQI
9th Sep 2025747 AMAQI
9th Sep 2025808 AMAQI
9th Sep 2025909 AMAQI
9th Sep 20258810 AMAQI
9th Sep 20259311 AMAQI
9th Sep 202510512 PMAQI
9th Sep 2025801 PMAQI
9th Sep 20251082 PMAQI
9th Sep 2025843 PMAQI
9th Sep 20251154 PMAQI
9th Sep 2025885 PMAQI
9th Sep 2025736 PMAQI
9th Sep 2025887 PMAQI
9th Sep 2025848 PMAQI
9th Sep 2025809 PMAQI
9th Sep 20258010 PMAQI
9th Sep 20257011 PMAQI
10th Sep 20257112 AMAQI
10th Sep 2025691 AMAQI
10th Sep 2025702 AMAQI
10th Sep 2025703 AMAQI
10th Sep 2025724 AMAQI
23°C19/29°C
10th Sep 2025715 AMAQI
10th Sep 2025736 AMAQI
10th Sep 2025717 AMAQI
10th Sep 2025758 AMAQI
10th Sep 2025679 AMAQI
10th Sep 20257810 AMAQI
10th Sep 20256811 AMAQI
10th Sep 20257212 PMAQI
10th Sep 2025681 PMAQI
10th Sep 2025682 PMAQI
10th Sep 2025693 PMAQI
10th Sep 2025734 PMAQI
10th Sep 2025765 PMAQI
10th Sep 2025706 PMAQI
10th Sep 2025717 PMAQI
10th Sep 2025758 PMAQI
10th Sep 2025789 PMAQI
10th Sep 20257510 PMAQI
10th Sep 20258211 PMAQI
11th Sep 20257612 AMAQI
11th Sep 2025721 AMAQI
11th Sep 2025712 AMAQI
11th Sep 2025703 AMAQI
11th Sep 2025694 AMAQI
23°C18/29°C
11th Sep 2025705 AMAQI
11th Sep 2025706 AMAQI
11th Sep 2025697 AMAQI
11th Sep 20251068 AMAQI
11th Sep 2025929 AMAQI
11th Sep 20259210 AMAQI
11th Sep 20259111 AMAQI
11th Sep 20257612 PMAQI
11th Sep 2025741 PMAQI
11th Sep 2025672 PMAQI
11th Sep 2025703 PMAQI
11th Sep 2025764 PMAQI
11th Sep 2025755 PMAQI
11th Sep 2025786 PMAQI
11th Sep 2025747 PMAQI
11th Sep 2025748 PMAQI
11th Sep 2025759 PMAQI
11th Sep 20257510 PMAQI
11th Sep 20257411 PMAQI
12th Sep 20257412 AMAQI
12th Sep 2025691 AMAQI
12th Sep 2025702 AMAQI
12th Sep 2025713 AMAQI
12th Sep 2025734 AMAQI
25°C21/30°C
12th Sep 2025725 AMAQI
12th Sep 2025726 AMAQI
12th Sep 2025727 AMAQI
12th Sep 2025958 AMAQI
12th Sep 20251019 AMAQI
12th Sep 202512010 AMAQI
12th Sep 202510611 AMAQI
12th Sep 202510712 PMAQI
12th Sep 20251021 PMAQI
12th Sep 2025892 PMAQI
12th Sep 2025883 PMAQI
12th Sep 2025724 PMAQI
12th Sep 2025745 PMAQI
12th Sep 2025746 PMAQI
12th Sep 2025747 PMAQI
12th Sep 2025748 PMAQI
12th Sep 2025799 PMAQI
12th Sep 20258010 PMAQI
12th Sep 20258211 PMAQI
13th Sep 20257512 AMAQI
13th Sep 2025701 AMAQI
13th Sep 2025702 AMAQI
13th Sep 2025723 AMAQI
13th Sep 2025744 AMAQI
23°C20/28°C
13th Sep 2025765 AMAQI
13th Sep 2025746 AMAQI
13th Sep 2025767 AMAQI
13th Sep 20251158 AMAQI
13th Sep 20251169 AMAQI
13th Sep 20259910 AMAQI
13th Sep 20258811 AMAQI
13th Sep 20258612 PMAQI
13th Sep 2025771 PMAQI
13th Sep 2025712 PMAQI
13th Sep 2025703 PMAQI
13th Sep 2025704 PMAQI
13th Sep 2025745 PMAQI
13th Sep 2025756 PMAQI
13th Sep 2025727 PMAQI
13th Sep 2025778 PMAQI
13th Sep 2025819 PMAQI
13th Sep 20258110 PMAQI
13th Sep 20257911 PMAQI
14th Sep 20257612 AMAQI
14th Sep 2025721 AMAQI
14th Sep 2025712 AMAQI
14th Sep 2025743 AMAQI
14th Sep 2025754 AMAQI
24°C19/29°C
14th Sep 2025755 AMAQI
14th Sep 2025776 AMAQI
14th Sep 2025757 AMAQI
14th Sep 2025988 AMAQI
14th Sep 20251089 AMAQI
14th Sep 202510710 AMAQI
14th Sep 20259911 AMAQI
14th Sep 20259512 PMAQI
14th Sep 2025801 PMAQI
14th Sep 2025782 PMAQI
14th Sep 2025833 PMAQI
14th Sep 2025764 PMAQI
14th Sep 2025655 PMAQI
14th Sep 2025696 PMAQI
14th Sep 2025717 PMAQI
14th Sep 2025798 PMAQI
14th Sep 2025789 PMAQI
14th Sep 20258110 PMAQI
14th Sep 20258611 PMAQI
15th Sep 20257812 AMAQI
15th Sep 2025741 AMAQI
15th Sep 2025732 AMAQI
15th Sep 2025773 AMAQI
15th Sep 2025764 AMAQI
24°C20/30°C
15th Sep 2025765 AMAQI
15th Sep 2025766 AMAQI
15th Sep 2025797 AMAQI
15th Sep 2025658 AMAQI
15th Sep 2025739 AMAQI
15th Sep 20256810 AMAQI
15th Sep 20255911 AMAQI
15th Sep 20257112 PMAQI
15th Sep 2025581 PMAQI
15th Sep 2025722 PMAQI
15th Sep 2025613 PMAQI
15th Sep 2025604 PMAQI
15th Sep 2025725 PMAQI
15th Sep 2025696 PMAQI
15th Sep 2025737 PMAQI
15th Sep 2025808 PMAQI
15th Sep 2025849 PMAQI
15th Sep 20257810 PMAQI
15th Sep 20258011 PMAQI
16th Sep 20257612 AMAQI
16th Sep 2025761 AMAQI
16th Sep 2025762 AMAQI
16th Sep 2025743 AMAQI
16th Sep 2025734 AMAQI
23°C18/28°C
16th Sep 2025735 AMAQI
16th Sep 2025746 AMAQI
16th Sep 2025747 AMAQI
16th Sep 2025788 AMAQI
16th Sep 2025809 AMAQI
16th Sep 20256310 AMAQI
16th Sep 20255611 AMAQI
16th Sep 20255712 PMAQI
16th Sep 2025441 PMAQI
16th Sep 2025322 PMAQI
16th Sep 2025333 PMAQI
16th Sep 2025394 PMAQI
16th Sep 2025375 PMAQI
16th Sep 2025426 PMAQI
16th Sep 2025537 PMAQI
16th Sep 2025618 PMAQI
16th Sep 2025629 PMAQI
16th Sep 20256210 PMAQI
16th Sep 20256311 PMAQI
17th Sep 20256412 AMAQI
17th Sep 2025751 AMAQI
17th Sep 2025742 AMAQI
17th Sep 2025723 AMAQI
17th Sep 2025724 AMAQI
22°C18/26°C
17th Sep 2025725 AMAQI
17th Sep 2025726 AMAQI
17th Sep 2025727 AMAQI
17th Sep 2025428 AMAQI
17th Sep 2025329 AMAQI
17th Sep 20253210 AMAQI
17th Sep 20253011 AMAQI
17th Sep 20252412 PMAQI
17th Sep 2025311 PMAQI
17th Sep 2025212 PMAQI
17th Sep 2025203 PMAQI
17th Sep 2025294 PMAQI
17th Sep 2025245 PMAQI
17th Sep 2025236 PMAQI
17th Sep 2025527 PMAQI
17th Sep 2025608 PMAQI
17th Sep 2025609 PMAQI
17th Sep 20256210 PMAQI
17th Sep 20256411 PMAQI
18th Sep 20256312 AMAQI
18th Sep 2025711 AMAQI
18th Sep 2025732 AMAQI
18th Sep 2025693 AMAQI
18th Sep 2025654 AMAQI
18°C14/23°C
18th Sep 2025665 AMAQI
18th Sep 2025656 AMAQI
18th Sep 2025667 AMAQI
18th Sep 2025628 AMAQI
18th Sep 2025589 AMAQI
18th Sep 20256010 AMAQI
18th Sep 20255911 AMAQI
18th Sep 20255012 PMAQI
18th Sep 2025291 PMAQI
18th Sep 2025322 PMAQI
18th Sep 2025293 PMAQI
18th Sep 2025334 PMAQI
18th Sep 2025405 PMAQI
18th Sep 2025386 PMAQI
18th Sep 2025467 PMAQI
18th Sep 2025588 PMAQI
18th Sep 2025589 PMAQI
18th Sep 20256110 PMAQI
18th Sep 20256211 PMAQI
19th Sep 20256412 AMAQI
19th Sep 2025661 AMAQI
19th Sep 2025662 AMAQI
19th Sep 2025663 AMAQI
19th Sep 2025664 AMAQI
19°C14/25°C
19th Sep 2025655 AMAQI
19th Sep 2025656 AMAQI
19th Sep 2025657 AMAQI
19th Sep 2025688 AMAQI
19th Sep 2025669 AMAQI
19th Sep 20256110 AMAQI
19th Sep 20256211 AMAQI
19th Sep 20255712 PMAQI
19th Sep 2025551 PMAQI
19th Sep 2025562 PMAQI
19th Sep 2025533 PMAQI
19th Sep 2025554 PMAQI
19th Sep 2025565 PMAQI
19th Sep 2025576 PMAQI
19th Sep 2025547 PMAQI
19th Sep 2025578 PMAQI
19th Sep 2025589 PMAQI
19th Sep 20256210 PMAQI
19th Sep 20256211 PMAQI
20th Sep 20256612 AMAQI
20th Sep 2025641 AMAQI
20th Sep 2025642 AMAQI
20th Sep 2025643 AMAQI
20th Sep 2025624 AMAQI
18°C14/21°C
20th Sep 2025625 AMAQI
20th Sep 2025626 AMAQI
20th Sep 2025637 AMAQI
20th Sep 2025738 AMAQI
20th Sep 2025679 AMAQI
20th Sep 20256610 AMAQI
20th Sep 20256611 AMAQI
20th Sep 20256212 PMAQI
20th Sep 2025531 PMAQI
20th Sep 2025542 PMAQI
20th Sep 2025543 PMAQI
20th Sep 2025564 PMAQI
20th Sep 2025535 PMAQI
20th Sep 2025556 PMAQI
20th Sep 2025587 PMAQI
20th Sep 2025618 PMAQI
20th Sep 2025679 PMAQI
20th Sep 20257010 PMAQI
20th Sep 20257211 PMAQI
21st Sep 20257212 AMAQI
21st Sep 2025631 AMAQI
21st Sep 2025632 AMAQI
21st Sep 2025623 AMAQI
21st Sep 2025624 AMAQI
20°C13/28°C
21st Sep 2025625 AMAQI
21st Sep 2025626 AMAQI
21st Sep 2025627 AMAQI
21st Sep 2025908 AMAQI
21st Sep 2025859 AMAQI
21st Sep 202510110 AMAQI
21st Sep 202511111 AMAQI
21st Sep 20258712 PMAQI
21st Sep 2025621 PMAQI
21st Sep 2025562 PMAQI
21st Sep 2025563 PMAQI
21st Sep 2025534 PMAQI
21st Sep 2025565 PMAQI
21st Sep 2025586 PMAQI
21st Sep 2025627 PMAQI
21st Sep 2025658 PMAQI
21st Sep 2025689 PMAQI
21st Sep 20256810 PMAQI
21st Sep 20257211 PMAQI
22nd Sep 20257212 AMAQI
22nd Sep 2025631 AMAQI
22nd Sep 2025622 AMAQI
22nd Sep 2025663 AMAQI
22nd Sep 2025694 AMAQI
21°C16/27°C
22nd Sep 2025685 AMAQI
22nd Sep 2025686 AMAQI
22nd Sep 2025687 AMAQI
22nd Sep 2025678 AMAQI
22nd Sep 2025599 AMAQI
22nd Sep 20255910 AMAQI
22nd Sep 20255911 AMAQI
22nd Sep 20255212 PMAQI
22nd Sep 2025521 PMAQI
22nd Sep 2025522 PMAQI
22nd Sep 2025523 PMAQI
22nd Sep 2025514 PMAQI
22nd Sep 2025515 PMAQI
22nd Sep 2025496 PMAQI
22nd Sep 2025507 PMAQI
22nd Sep 2025598 PMAQI
22nd Sep 2025609 PMAQI
22nd Sep 20256410 PMAQI
22nd Sep 20256311 PMAQI
23rd Sep 20256212 AMAQI
23rd Sep 2025671 AMAQI
23rd Sep 2025662 AMAQI
23rd Sep 2025653 AMAQI
23rd Sep 2025644 AMAQI
18°C17/20°C
23rd Sep 2025645 AMAQI
23rd Sep 2025646 AMAQI
23rd Sep 2025647 AMAQI
23rd Sep 2025628 AMAQI
23rd Sep 2025589 AMAQI
23rd Sep 20255910 AMAQI
23rd Sep 20256211 AMAQI
23rd Sep 20256212 PMAQI
23rd Sep 2025521 PMAQI
23rd Sep 2025562 PMAQI
23rd Sep 2025773 PMAQI
23rd Sep 2025654 PMAQI
23rd Sep 2025615 PMAQI
23rd Sep 2025586 PMAQI
23rd Sep 2025667 PMAQI
23rd Sep 2025718 PMAQI
23rd Sep 2025739 PMAQI
23rd Sep 20257810 PMAQI
23rd Sep 20258011 PMAQI
24th Sep 20257912 AMAQI
24th Sep 2025661 AMAQI
24th Sep 2025642 AMAQI
24th Sep 2025643 AMAQI
24th Sep 2025664 AMAQI
19°C17/23°C
24th Sep 2025665 AMAQI
24th Sep 2025666 AMAQI
24th Sep 2025657 AMAQI
24th Sep 2025978 AMAQI
24th Sep 2025989 AMAQI
24th Sep 20259810 AMAQI
24th Sep 20259411 AMAQI
24th Sep 20259612 PMAQI
24th Sep 2025931 PMAQI
24th Sep 2025842 PMAQI
24th Sep 2025863 PMAQI
24th Sep 2025794 PMAQI
24th Sep 2025705 PMAQI
24th Sep 2025746 PMAQI
24th Sep 2025737 PMAQI
24th Sep 2025778 PMAQI
24th Sep 2025829 PMAQI
24th Sep 20258010 PMAQI
24th Sep 20258411 PMAQI
25th Sep 20258212 AMAQI
25th Sep 2025681 AMAQI
25th Sep 2025682 AMAQI
25th Sep 2025693 AMAQI
25th Sep 2025724 AMAQI
20°C13/27°C
25th Sep 2025745 AMAQI
25th Sep 2025736 AMAQI
25th Sep 2025747 AMAQI
25th Sep 2025818 AMAQI
25th Sep 2025969 AMAQI
25th Sep 202510010 AMAQI
25th Sep 202510211 AMAQI
25th Sep 20259912 PMAQI
25th Sep 20251241 PMAQI
25th Sep 20251092 PMAQI
25th Sep 2025963 PMAQI
25th Sep 20251014 PMAQI
25th Sep 2025965 PMAQI
25th Sep 2025916 PMAQI
25th Sep 2025977 PMAQI
25th Sep 2025938 PMAQI
25th Sep 20251039 PMAQI
25th Sep 202511410 PMAQI
25th Sep 202510011 PMAQI
26th Sep 202511712 AMAQI
26th Sep 20251191 AMAQI
26th Sep 20251202 AMAQI
26th Sep 20251383 AMAQI
26th Sep 20251414 AMAQI
22°C16/29°C
26th Sep 20251535 AMAQI
26th Sep 20251466 AMAQI
26th Sep 20251517 AMAQI
26th Sep 20251428 AMAQI
26th Sep 20251419 AMAQI
26th Sep 202512410 AMAQI
26th Sep 20258011 AMAQI
26th Sep 20257412 PMAQI
26th Sep 2025741 PMAQI
26th Sep 2025912 PMAQI
26th Sep 2025983 PMAQI
26th Sep 2025944 PMAQI
26th Sep 2025945 PMAQI
26th Sep 2025976 PMAQI
26th Sep 2025947 PMAQI
26th Sep 2025808 PMAQI
26th Sep 2025809 PMAQI
26th Sep 20258910 PMAQI
26th Sep 202511411 PMAQI
27th Sep 202512212 AMAQI
27th Sep 20251391 AMAQI
27th Sep 20251502 AMAQI
27th Sep 20251483 AMAQI
27th Sep 20251484 AMAQI
23°C18/29°C
27th Sep 20251465 AMAQI
27th Sep 20251526 AMAQI
27th Sep 20251557 AMAQI
27th Sep 20251528 AMAQI
27th Sep 20251479 AMAQI
27th Sep 202514410 AMAQI
27th Sep 202514811 AMAQI
27th Sep 202514412 PMAQI
27th Sep 20251301 PMAQI
27th Sep 20251282 PMAQI
27th Sep 20251433 PMAQI
27th Sep 20251494 PMAQI
27th Sep 20251575 PMAQI
27th Sep 20251476 PMAQI
27th Sep 20251327 PMAQI
27th Sep 20251278 PMAQI
27th Sep 20251169 PMAQI
27th Sep 202510410 PMAQI
27th Sep 202510511 PMAQI
28th Sep 202511412 AMAQI
28th Sep 20251111 AMAQI
28th Sep 20251042 AMAQI
28th Sep 2025913 AMAQI
28th Sep 20251004 AMAQI
19°C17/20°C
28th Sep 20251135 AMAQI
28th Sep 20251126 AMAQI
28th Sep 2025977 AMAQI
28th Sep 2025868 AMAQI
28th Sep 2025879 AMAQI
28th Sep 20257410 AMAQI
28th Sep 20257511 AMAQI
28th Sep 20258212 PMAQI
28th Sep 2025541 PMAQI
28th Sep 2025642 PMAQI
28th Sep 2025593 PMAQI
28th Sep 2025664 PMAQI
28th Sep 2025635 PMAQI
28th Sep 2025546 PMAQI
28th Sep 2025567 PMAQI
28th Sep 2025598 PMAQI
28th Sep 2025699 PMAQI
28th Sep 20257610 PMAQI
28th Sep 20258311 PMAQI
29th Sep 20259912 AMAQI
29th Sep 2025921 AMAQI
29th Sep 2025962 AMAQI
29th Sep 2025943 AMAQI
29th Sep 2025994 AMAQI
21°C15/28°C
29th Sep 2025985 AMAQI
29th Sep 2025956 AMAQI
29th Sep 20251067 AMAQI
29th Sep 20251158 AMAQI
29th Sep 20251109 AMAQI
29th Sep 202510310 AMAQI
29th Sep 202511011 AMAQI
29th Sep 202511312 PMAQI
29th Sep 2025961 PMAQI
29th Sep 2025882 PMAQI
29th Sep 2025683 PMAQI
29th Sep 2025584 PMAQI
29th Sep 2025575 PMAQI
29th Sep 2025646 PMAQI
29th Sep 2025687 PMAQI
29th Sep 2025658 PMAQI
29th Sep 2025669 PMAQI
29th Sep 20257710 PMAQI
29th Sep 20258111 PMAQI
30th Sep 20258812 AMAQI
30th Sep 2025881 AMAQI
30th Sep 2025842 AMAQI
30th Sep 2025773 AMAQI
30th Sep 2025744 AMAQI
22°C17/30°C
30th Sep 2025645 AMAQI
30th Sep 2025806 AMAQI
30th Sep 2025847 AMAQI
30th Sep 2025888 AMAQI
30th Sep 2025869 AMAQI
30th Sep 202511410 AMAQI
30th Sep 202512511 AMAQI
30th Sep 202511212 PMAQI
30th Sep 20251121 PMAQI
30th Sep 20251082 PMAQI
30th Sep 2025923 PMAQI
30th Sep 20251084 PMAQI
30th Sep 20251055 PMAQI
30th Sep 2025986 PMAQI
30th Sep 2025917 PMAQI
30th Sep 2025908 PMAQI
30th Sep 20251219 PMAQI
30th Sep 202512910 PMAQI
30th Sep 202513411 PMAQI
1st Oct 202514512 AMAQI
1st Oct 20251261 AMAQI
1st Oct 20251542 AMAQI
1st Oct 20251523 AMAQI
1st Oct 20251564 AMAQI
22°C16/29°C
1st Oct 20251535 AMAQI
1st Oct 20251436 AMAQI
1st Oct 20251457 AMAQI
1st Oct 20251268 AMAQI
1st Oct 20251229 AMAQI
1st Oct 202513710 AMAQI
1st Oct 202515111 AMAQI
1st Oct 202513512 PMAQI
1st Oct 2025951 PMAQI
1st Oct 2025902 PMAQI
1st Oct 2025913 PMAQI
1st Oct 2025904 PMAQI
1st Oct 2025725 PMAQI
1st Oct 2025716 PMAQI
1st Oct 2025737 PMAQI
1st Oct 2025728 PMAQI
1st Oct 2025859 PMAQI
1st Oct 202510810 PMAQI
1st Oct 202512011 PMAQI
2nd Oct 202514412 AMAQI
2nd Oct 20251501 AMAQI
2nd Oct 20251532 AMAQI
2nd Oct 20251483 AMAQI
2nd Oct 20251604 AMAQI
24°C18/31°C
2nd Oct 20251605 AMAQI
2nd Oct 20251496 AMAQI
2nd Oct 20251137 AMAQI
2nd Oct 2025908 AMAQI
2nd Oct 2025899 AMAQI
2nd Oct 20258710 AMAQI
2nd Oct 20258011 AMAQI
2nd Oct 20257412 PMAQI
2nd Oct 2025621 PMAQI
2nd Oct 2025542 PMAQI
2nd Oct 2025543 PMAQI
2nd Oct 2025424 PMAQI
2nd Oct 2025475 PMAQI
2nd Oct 2025606 PMAQI
2nd Oct 2025577 PMAQI
2nd Oct 2025528 PMAQI
2nd Oct 2025569 PMAQI
2nd Oct 20255610 PMAQI
2nd Oct 20257611 PMAQI
3rd Oct 20258312 AMAQI
3rd Oct 2025871 AMAQI
3rd Oct 2025962 AMAQI
3rd Oct 2025963 AMAQI
3rd Oct 2025934 AMAQI
22°C18/28°C
3rd Oct 20251005 AMAQI
3rd Oct 2025986 AMAQI
3rd Oct 20251007 AMAQI
3rd Oct 2025728 AMAQI
3rd Oct 2025649 AMAQI
3rd Oct 20256510 AMAQI
3rd Oct 20258311 AMAQI
3rd Oct 20257612 PMAQI
3rd Oct 2025691 PMAQI
3rd Oct 2025572 PMAQI
3rd Oct 2025533 PMAQI
3rd Oct 2025584 PMAQI
3rd Oct 2025565 PMAQI
3rd Oct 2025696 PMAQI
3rd Oct 2025567 PMAQI
3rd Oct 2025618 PMAQI
3rd Oct 2025569 PMAQI
3rd Oct 20255510 PMAQI
3rd Oct 20256111 PMAQI
4th Oct 20256812 AMAQI
4th Oct 2025721 AMAQI
4th Oct 2025822 AMAQI
4th Oct 2025663 AMAQI
4th Oct 2025814 AMAQI
19°C17/22°C
4th Oct 2025785 AMAQI
4th Oct 2025806 AMAQI
4th Oct 2025797 AMAQI
4th Oct 2025748 AMAQI
4th Oct 2025769 AMAQI
4th Oct 20257810 AMAQI
4th Oct 20258311 AMAQI
4th Oct 20257412 PMAQI
4th Oct 2025741 PMAQI
4th Oct 2025662 PMAQI
4th Oct 2025703 PMAQI
4th Oct 2025804 PMAQI
4th Oct 2025885 PMAQI
4th Oct 2025856 PMAQI
4th Oct 20251057 PMAQI
4th Oct 2025958 PMAQI
4th Oct 20251109 PMAQI
4th Oct 202511210 PMAQI
4th Oct 202510911 PMAQI
5th Oct 20259412 AMAQI
5th Oct 2025921 AMAQI
5th Oct 2025942 AMAQI
5th Oct 2025943 AMAQI
5th Oct 20251304 AMAQI
20°C16/26°C
5th Oct 20251255 AMAQI
5th Oct 20251306 AMAQI
5th Oct 20251417 AMAQI
5th Oct 20251568 AMAQI
5th Oct 20251509 AMAQI
5th Oct 202512510 AMAQI
5th Oct 20259111 AMAQI
5th Oct 20257312 PMAQI
5th Oct 2025651 PMAQI
5th Oct 2025642 PMAQI
5th Oct 2025613 PMAQI
5th Oct 2025624 PMAQI
5th Oct 2025565 PMAQI
5th Oct 2025526 PMAQI
5th Oct 2025567 PMAQI
5th Oct 2025638 PMAQI
5th Oct 2025679 PMAQI
5th Oct 20256910 PMAQI
5th Oct 20255811 PMAQI
6th Oct 20255512 AMAQI
6th Oct 2025521 AMAQI
6th Oct 2025472 AMAQI
6th Oct 2025523 AMAQI
6th Oct 2025474 AMAQI
18°C16/20°C
6th Oct 2025465 AMAQI
6th Oct 2025526 AMAQI
6th Oct 2025537 AMAQI
6th Oct 2025458 AMAQI
6th Oct 2025429 AMAQI
6th Oct 20254810 AMAQI
6th Oct 20255011 AMAQI
6th Oct 20255312 PMAQI
6th Oct 2025451 PMAQI
6th Oct 2025462 PMAQI
6th Oct 2025403 PMAQI
6th Oct 2025414 PMAQI
6th Oct 2025405 PMAQI
6th Oct 2025436 PMAQI
6th Oct 2025447 PMAQI
6th Oct 2025468 PMAQI
6th Oct 2025609 PMAQI
6th Oct 20257010 PMAQI
6th Oct 20256711 PMAQI
7th Oct 20256912 AMAQI
7th Oct 2025741 AMAQI
16°C13/21°C
7th Oct 2025577 PMAQI
7th Oct 2025918 PMAQI
7th Oct 20251079 PMAQI
7th Oct 202510910 PMAQI
7th Oct 202510811 PMAQI
8th Oct 202511612 AMAQI
8th Oct 20251341 AMAQI
8th Oct 20251242 AMAQI
8th Oct 20251103 AMAQI
8th Oct 20251154 AMAQI
17°C13/23°C
8th Oct 20251145 AMAQI
8th Oct 20251106 AMAQI
8th Oct 20251067 AMAQI
8th Oct 2025968 AMAQI
8th Oct 2025849 AMAQI
8th Oct 20256410 AMAQI
8th Oct 20255811 AMAQI
8th Oct 20255312 PMAQI
8th Oct 2025551 PMAQI
8th Oct 2025472 PMAQI
8th Oct 2025483 PMAQI
8th Oct 2025414 PMAQI
8th Oct 2025445 PMAQI
8th Oct 2025446 PMAQI
8th Oct 2025447 PMAQI
8th Oct 2025508 PMAQI
8th Oct 2025529 PMAQI
8th Oct 20255110 PMAQI
8th Oct 20254511 PMAQI
9th Oct 20254812 AMAQI
9th Oct 2025501 AMAQI
9th Oct 2025562 AMAQI
9th Oct 2025583 AMAQI
9th Oct 2025614 AMAQI
13°C8/16°C
9th Oct 2025555 AMAQI
5 AM9th Oct 2025496 AMAQI
9th Oct 2025547 AMAQI
9th Oct 2025538 AMAQI
9th Oct 2025509 AMAQI
11 AM
6 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 10 AM
87AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
1 PM - 6 PM
69AQI
6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 10 AM (Avg. 87), while the lowest AQI was between 1 PM to 6 PM (Avg. 69).
Night time
Avg. Highest Time
4 AM
86AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
7 PM
69AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 4 AM (Avg. 86), while the lowest AQI was between 7 PM to 7 PM (Avg. 69).
2025 Days Vs Air Quality
Leidazhanzi Station, Tangshan, Hebei, China
2025
0.7%
2
58%
162
40%
112
2%
5
Total number of days with different AQI categories in last 282 days in 2025 (83 days remaining)
Good
2 DaysModerate
162 DaysPoor
112 DaysUnhealthy
5 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 0.71%
Health Risk Level:
Extreme
In 2025, 0.71% of 282 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
Leidazhanzi Station, Tangshan, Hebei, 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
83AQI
83AQI
2nd January 2025
67AQI
67AQI
3rd January 2025
80AQI
80AQI
4th January 2025
128AQI
128AQI
5th January 2025
110AQI
110AQI
6th January 2025
80AQI
80AQI
7th January 2025
74AQI
74AQI
8th January 2025
54AQI
54AQI
9th January 2025
56AQI
56AQI
10th January 2025
60AQI
60AQI
11th January 2025
81AQI
81AQI
12th January 2025
79AQI
79AQI
13th January 2025
97AQI
97AQI
14th January 2025
64AQI
64AQI
15th January 2025
62AQI
62AQI
16th January 2025
79AQI
79AQI
17th January 2025
104AQI
104AQI
18th January 2025
138AQI
138AQI
19th January 2025
98AQI
98AQI
20th January 2025
132AQI
132AQI
21st January 2025
108AQI
108AQI
22nd January 2025
112AQI
112AQI
23rd January 2025
124AQI
124AQI
24th January 2025
150AQI
150AQI
25th January 2025
155AQI
155AQI
26th January 2025
121AQI
121AQI
27th January 2025
82AQI
82AQI
28th January 2025
86AQI
86AQI
29th January 2025
119AQI
119AQI
30th January 2025
97AQI
97AQI
31st January 2025
114AQI
114AQI
1st February 2025
112AQI
112AQI
2nd February 2025
104AQI
104AQI
3rd February 2025
71AQI
71AQI
4th February 2025
64AQI
64AQI
5th February 2025
58AQI
58AQI
6th February 2025
62AQI
62AQI
7th February 2025
43AQI
43AQI
8th February 2025
48AQI
48AQI
9th February 2025
56AQI
56AQI
10th February 2025
110AQI
110AQI
11th February 2025
131AQI
131AQI
12th February 2025
76AQI
76AQI
13th February 2025
120AQI
120AQI
14th February 2025
119AQI
119AQI
15th February 2025
119AQI
119AQI
16th February 2025
75AQI
75AQI
17th February 2025
72AQI
72AQI
18th February 2025
81AQI
81AQI
19th February 2025
73AQI
73AQI
20th February 2025
74AQI
74AQI
21st February 2025
62AQI
62AQI
22nd February 2025
62AQI
62AQI
23rd February 2025
52AQI
52AQI
24th February 2025
73AQI
73AQI
25th February 2025
74AQI
74AQI
26th February 2025
86AQI
86AQI
27th February 2025
141AQI
141AQI
28th February 2025
160AQI
160AQI
1st March 2025
174AQI
174AQI
2nd March 2025
105AQI
105AQI
3rd March 2025
97AQI
97AQI
4th March 2025
109AQI
109AQI
5th March 2025
130AQI
130AQI
6th March 2025
88AQI
88AQI
7th March 2025
107AQI
107AQI
8th March 2025
135AQI
135AQI
9th March 2025
147AQI
147AQI
10th March 2025
159AQI
159AQI
11th March 2025
168AQI
168AQI
12th March 2025
101AQI
101AQI
13th March 2025
119AQI
119AQI
14th March 2025
98AQI
98AQI
15th March 2025
102AQI
102AQI
16th March 2025
71AQI
71AQI
17th March 2025
71AQI
71AQI
18th March 2025
64AQI
64AQI
19th March 2025
72AQI
72AQI
20th March 2025
57AQI
57AQI
21st March 2025
61AQI
61AQI
22nd March 2025
65AQI
65AQI
23rd March 2025
102AQI
102AQI
24th March 2025
73AQI
73AQI
25th March 2025
98AQI
98AQI
26th March 2025
136AQI
136AQI
27th March 2025
113AQI
113AQI
28th March 2025
119AQI
119AQI
29th March 2025
100AQI
100AQI
30th March 2025
109AQI
109AQI
31st March 2025
119AQI
119AQI
1st April 2025
116AQI
116AQI
2nd April 2025
107AQI
107AQI
3rd April 2025
122AQI
122AQI
4th April 2025
125AQI
125AQI
5th April 2025
106AQI
106AQI
6th April 2025
128AQI
128AQI
7th April 2025
121AQI
121AQI
8th April 2025
117AQI
117AQI
9th April 2025
124AQI
124AQI
10th April 2025
133AQI
133AQI
11th April 2025
139AQI
139AQI
12th April 2025
114AQI
114AQI
13th April 2025
112AQI
112AQI
14th April 2025
104AQI
104AQI
15th April 2025
110AQI
110AQI
16th April 2025
126AQI
126AQI
17th April 2025
124AQI
124AQI
18th April 2025
116AQI
116AQI
19th April 2025
123AQI
123AQI
20th April 2025
126AQI
126AQI
21st April 2025
141AQI
141AQI
22nd April 2025
104AQI
104AQI
23rd April 2025
119AQI
119AQI
24th April 2025
94AQI
94AQI
25th April 2025
109AQI
109AQI
26th April 2025
122AQI
122AQI
27th April 2025
101AQI
101AQI
28th April 2025
113AQI
113AQI
29th April 2025
120AQI
120AQI
30th April 2025
120AQI
120AQI
1st May 2025
104AQI
104AQI
2nd May 2025
110AQI
110AQI
3rd May 2025
97AQI
97AQI
4th May 2025
104AQI
104AQI
5th May 2025
109AQI
109AQI
6th May 2025
103AQI
103AQI
7th May 2025
120AQI
120AQI
8th May 2025
120AQI
120AQI
9th May 2025
97AQI
97AQI
10th May 2025
104AQI
104AQI
11th May 2025
125AQI
125AQI
12th May 2025
121AQI
121AQI
13th May 2025
129AQI
129AQI
14th May 2025
118AQI
118AQI
15th May 2025
123AQI
123AQI
16th May 2025
138AQI
138AQI
17th May 2025
114AQI
114AQI
18th May 2025
112AQI
112AQI
19th May 2025
123AQI
123AQI
20th May 2025
136AQI
136AQI
21st May 2025
132AQI
132AQI
22nd May 2025
139AQI
139AQI
23rd May 2025
128AQI
128AQI
24th May 2025
114AQI
114AQI
25th May 2025
119AQI
119AQI
26th May 2025
121AQI
121AQI
27th May 2025
119AQI
119AQI
28th May 2025
124AQI
124AQI
29th May 2025
115AQI
115AQI
30th May 2025
125AQI
125AQI
31st May 2025
127AQI
127AQI
1st June 2025
130AQI
130AQI
2nd June 2025
122AQI
122AQI
3rd June 2025
106AQI
106AQI
4th June 2025
103AQI
103AQI
5th June 2025
109AQI
109AQI
6th June 2025
107AQI
107AQI
7th June 2025
107AQI
107AQI
8th June 2025
104AQI
104AQI
9th June 2025
111AQI
111AQI
10th June 2025
109AQI
109AQI
11th June 2025
117AQI
117AQI
12th June 2025
113AQI
113AQI
13th June 2025
121AQI
121AQI
14th June 2025
117AQI
117AQI
15th June 2025
108AQI
108AQI
16th June 2025
99AQI
99AQI
17th June 2025
92AQI
92AQI
18th June 2025
75AQI
75AQI
19th June 2025
69AQI
69AQI
20th June 2025
66AQI
66AQI
21st June 2025
62AQI
62AQI
22nd June 2025
52AQI
52AQI
23rd June 2025
65AQI
65AQI
24th June 2025
74AQI
74AQI
25th June 2025
71AQI
71AQI
26th June 2025
77AQI
77AQI
27th June 2025
73AQI
73AQI
28th June 2025
77AQI
77AQI
29th June 2025
85AQI
85AQI
30th June 2025
79AQI
79AQI
1st July 2025
72AQI
72AQI
2nd July 2025
75AQI
75AQI
3rd July 2025
66AQI
66AQI
4th July 2025
71AQI
71AQI
5th July 2025
73AQI
73AQI
6th July 2025
62AQI
62AQI
7th July 2025
64AQI
64AQI
8th July 2025
66AQI
66AQI
9th July 2025
68AQI
68AQI
10th July 2025
71AQI
71AQI
11th July 2025
76AQI
76AQI
12th July 2025
77AQI
77AQI
13th July 2025
66AQI
66AQI
14th July 2025
64AQI
64AQI
15th July 2025
67AQI
67AQI
16th July 2025
64AQI
64AQI
17th July 2025
59AQI
59AQI
18th July 2025
67AQI
67AQI
19th July 2025
69AQI
69AQI
20th July 2025
64AQI
64AQI
21st July 2025
65AQI
65AQI
22nd July 2025
69AQI
69AQI
23rd July 2025
65AQI
65AQI
24th July 2025
65AQI
65AQI
25th July 2025
71AQI
71AQI
26th July 2025
69AQI
69AQI
27th July 2025
65AQI
65AQI
28th July 2025
65AQI
65AQI
29th July 2025
56AQI
56AQI
30th July 2025
58AQI
58AQI
31st July 2025
62AQI
62AQI
1st August 2025
63AQI
63AQI
2nd August 2025
62AQI
62AQI
3rd August 2025
64AQI
64AQI
4th August 2025
62AQI
62AQI
5th August 2025
65AQI
65AQI
6th August 2025
71AQI
71AQI
7th August 2025
70AQI
70AQI
8th August 2025
67AQI
67AQI
9th August 2025
63AQI
63AQI
10th August 2025
62AQI
62AQI
11th August 2025
66AQI
66AQI
12th August 2025
68AQI
68AQI
13th August 2025
64AQI
64AQI
14th August 2025
71AQI
71AQI
15th August 2025
72AQI
72AQI
16th August 2025
61AQI
61AQI
17th August 2025
62AQI
62AQI
18th August 2025
67AQI
67AQI
19th August 2025
62AQI
62AQI
20th August 2025
62AQI
62AQI
21st August 2025
60AQI
60AQI
22nd August 2025
57AQI
57AQI
23rd August 2025
60AQI
60AQI
24th August 2025
63AQI
63AQI
25th August 2025
58AQI
58AQI
26th August 2025
62AQI
62AQI
27th August 2025
61AQI
61AQI
28th August 2025
55AQI
55AQI
29th August 2025
65AQI
65AQI
30th August 2025
65AQI
65AQI
31st August 2025
60AQI
60AQI
1st September 2025
63AQI
63AQI
2nd September 2025
72AQI
72AQI
3rd September 2025
75AQI
75AQI
4th September 2025
94AQI
94AQI
5th September 2025
85AQI
85AQI
6th September 2025
74AQI
74AQI
7th September 2025
71AQI
71AQI
8th September 2025
71AQI
71AQI
9th September 2025
81AQI
81AQI
10th September 2025
72AQI
72AQI
11th September 2025
75AQI
75AQI
12th September 2025
81AQI
81AQI
13th September 2025
79AQI
79AQI
14th September 2025
80AQI
80AQI
15th September 2025
73AQI
73AQI
16th September 2025
61AQI
61AQI
17th September 2025
51AQI
51AQI
18th September 2025
56AQI
56AQI
19th September 2025
61AQI
61AQI
20th September 2025
62AQI
62AQI
21st September 2025
68AQI
68AQI
22nd September 2025
60AQI
60AQI
23rd September 2025
65AQI
65AQI
24th September 2025
78AQI
78AQI
25th September 2025
92AQI
92AQI
26th September 2025
111AQI
111AQI
27th September 2025
135AQI
135AQI
28th September 2025
85AQI
85AQI
29th September 2025
89AQI
89AQI
30th September 2025
96AQI
96AQI
1st October 2025
123AQI
123AQI
2nd October 2025
100AQI
100AQI
3rd October 2025
76AQI
76AQI
4th October 2025
82AQI
82AQI
5th October 2025
94AQI
94AQI
6th October 2025
53AQI
53AQI
7th October 2025
92AQI
92AQI
8th October 2025
105AQI
105AQI
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
97AQI
85AQI
105AQI
118AQI
118AQI
93AQI
67AQI
64AQI
77AQI
91AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202592AQI
18
12
1
2
17
8
1
13
15
3
1
29
2
29
15
15
31
31
28
2
6
2
2
162
112
5
Highest AQI recorded in
May118AQI
Lowest AQI recorded in
August64AQI
2024101AQI
2
12
10
7
2
7
10
7
3
1
8
13
9
13
13
4
1
16
13
1
8
19
3
16
14
1
25
6
5
20
5
5
10
12
4
2
18
6
4
1
25
5
19
178
126
40
3
Highest AQI recorded in
February124AQI
Lowest AQI recorded in
September71AQI
2023105AQI
4
9
12
5
1
3
8
8
8
1
2
7
11
7
4
3
11
7
3
3
2
12
16
1
20
10
4
21
6
1
24
6
1
16
11
2
1
15
8
5
2
1
16
7
5
13
8
8
2
22
172
110
44
13
Highest AQI recorded in
March135AQI
Lowest AQI recorded in
July79AQI
2022101AQI
2
10
9
8
2
3
6
6
6
1
10
12
8
13
9
6
2
16
13
3
19
6
1
1
20
2
1
2
15
9
2
6
9
9
7
5
8
8
7
2
7
13
9
1
1
32
140
92
46
5
Highest AQI recorded in
January124AQI
Lowest AQI recorded in
August53AQI
2021101AQI
7
15
8
1
6
8
11
3
4
10
14
1
2
16
8
6
21
6
2
1
1
22
8
14
15
2
5
25
1
7
21
2
1
20
7
3
3
12
9
6
4
13
7
7
34
182
83
57
6
3
Highest AQI recorded in
March165AQI
Lowest AQI recorded in
July54AQI
2020105AQI
1
7
5
2
10
9
8
10
9
21
9
22
1
19
11
4
16
8
2
14
8
9
11
13
6
12
13
6
8
115
120
23
Highest AQI recorded in
December121AQI
Lowest AQI recorded in
September84AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
105AQILeast Polluted Year Recorded
2025(Avg.)
92AQILeidazhanzi Station's annual 2025 AQI (92) shows an average percentage change of -10.8% (improved AQI) compared to previous years: 2020 (105), 2021 (101), 2022 (101), 2023 (105), 2024 (101).
