Houfeng Company, Taian, 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+
August Air Quality Analysis
Houfeng Company, Taian, Shandong, China
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
18th Aug 2023
118AQILowest AQI recorded on
5th Aug 2024
30AQISame Day Analysis (2nd August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 3rd highest AQI at 54 of Moderate air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Houfeng Company, Taian, Shandong, China
AQI
Day
Night
.
5 AM3rd Aug 2025
7 PM
4 AM4th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
4PM3rd Aug
68AQI
Avg. Lowest Time
11AM3rd Aug
54AQI
In the last 24 hours,
Houfeng Company's AQI reached its highest point of 68 at 4 PM during the Night, while the lowest point, 54, was recorded at 11 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Houfeng Company, Taian, Shandong, China
JulAug
05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th
Day
Night
5th Jul 2025575 AMAQI
5th Jul 2025566 AMAQI
5th Jul 2025567 AMAQI
5th Jul 2025558 AMAQI
5th Jul 2025569 AMAQI
5th Jul 20255410 AMAQI
5th Jul 20255511 AMAQI
5th Jul 20255412 PMAQI
5th Jul 2025561 PMAQI
5th Jul 2025662 PMAQI
5th Jul 2025603 PMAQI
5th Jul 2025574 PMAQI
5th Jul 2025525 PMAQI
5th Jul 2025526 PMAQI
5th Jul 2025517 PMAQI
5th Jul 2025568 PMAQI
5th Jul 2025569 PMAQI
5th Jul 20255810 PMAQI
5th Jul 20255711 PMAQI
6th Jul 20255612 AMAQI
6th Jul 2025581 AMAQI
6th Jul 2025572 AMAQI
6th Jul 2025573 AMAQI
6th Jul 2025594 AMAQI
33°C28/39°C
6th Jul 2025595 AMAQI
6th Jul 2025596 AMAQI
6th Jul 2025587 AMAQI
6th Jul 2025628 AMAQI
6th Jul 2025689 AMAQI
6th Jul 20257110 AMAQI
6th Jul 20256811 AMAQI
6th Jul 20257012 PMAQI
6th Jul 2025641 PMAQI
6th Jul 2025612 PMAQI
6th Jul 2025663 PMAQI
6th Jul 2025804 PMAQI
6th Jul 2025915 PMAQI
6th Jul 2025696 PMAQI
6th Jul 2025657 PMAQI
6th Jul 2025658 PMAQI
6th Jul 2025669 PMAQI
6th Jul 20256010 PMAQI
6th Jul 20255611 PMAQI
7th Jul 20255412 AMAQI
7th Jul 2025571 AMAQI
7th Jul 2025582 AMAQI
7th Jul 2025603 AMAQI
7th Jul 2025614 AMAQI
32°C28/39°C
7th Jul 2025615 AMAQI
7th Jul 2025616 AMAQI
7th Jul 2025617 AMAQI
7th Jul 2025588 AMAQI
7th Jul 2025609 AMAQI
7th Jul 20256010 AMAQI
7th Jul 20256811 AMAQI
7th Jul 20257012 PMAQI
7th Jul 2025751 PMAQI
7th Jul 2025762 PMAQI
7th Jul 2025603 PMAQI
7th Jul 2025594 PMAQI
7th Jul 2025495 PMAQI
7th Jul 2025516 PMAQI
7th Jul 2025517 PMAQI
7th Jul 2025568 PMAQI
7th Jul 2025579 PMAQI
7th Jul 20255410 PMAQI
7th Jul 20255311 PMAQI
8th Jul 20255312 AMAQI
8th Jul 2025591 AMAQI
8th Jul 2025602 AMAQI
8th Jul 2025613 AMAQI
8th Jul 2025624 AMAQI
30°C24/39°C
8th Jul 2025625 AMAQI
8th Jul 2025626 AMAQI
8th Jul 2025627 AMAQI
8th Jul 2025668 AMAQI
8th Jul 2025709 AMAQI
8th Jul 20257810 AMAQI
8th Jul 20258211 AMAQI
8th Jul 20257412 PMAQI
8th Jul 2025761 PMAQI
8th Jul 2025842 PMAQI
8th Jul 2025813 PMAQI
8th Jul 2025744 PMAQI
8th Jul 2025605 PMAQI
8th Jul 2025686 PMAQI
8th Jul 2025667 PMAQI
8th Jul 2025638 PMAQI
8th Jul 2025659 PMAQI
8th Jul 20256310 PMAQI
8th Jul 20256611 PMAQI
9th Jul 20256012 AMAQI
9th Jul 2025581 AMAQI
9th Jul 2025612 AMAQI
9th Jul 2025633 AMAQI
9th Jul 2025644 AMAQI
29°C24/35°C
9th Jul 2025655 AMAQI
9th Jul 2025646 AMAQI
9th Jul 2025657 AMAQI
9th Jul 2025378 AMAQI
9th Jul 2025249 AMAQI
9th Jul 20253410 AMAQI
9th Jul 20254111 AMAQI
9th Jul 20254612 PMAQI
9th Jul 2025521 PMAQI
9th Jul 2025442 PMAQI
9th Jul 2025473 PMAQI
9th Jul 2025474 PMAQI
9th Jul 2025525 PMAQI
9th Jul 2025556 PMAQI
9th Jul 2025587 PMAQI
9th Jul 2025618 PMAQI
9th Jul 2025659 PMAQI
9th Jul 20257010 PMAQI
9th Jul 20258311 PMAQI
10th Jul 20258312 AMAQI
10th Jul 2025671 AMAQI
10th Jul 2025632 AMAQI
10th Jul 2025623 AMAQI
10th Jul 2025604 AMAQI
30°C25/36°C
10th Jul 2025605 AMAQI
10th Jul 2025606 AMAQI
10th Jul 2025607 AMAQI
10th Jul 20251088 AMAQI
10th Jul 20251309 AMAQI
10th Jul 202511210 AMAQI
10th Jul 20259811 AMAQI
10th Jul 20258712 PMAQI
10th Jul 2025791 PMAQI
10th Jul 2025762 PMAQI
10th Jul 2025723 PMAQI
10th Jul 2025704 PMAQI
10th Jul 2025615 PMAQI
10th Jul 2025606 PMAQI
10th Jul 2025607 PMAQI
10th Jul 2025628 PMAQI
10th Jul 2025639 PMAQI
10th Jul 20256610 PMAQI
10th Jul 20256411 PMAQI
11th Jul 20256612 AMAQI
11th Jul 2025631 AMAQI
11th Jul 2025632 AMAQI
11th Jul 2025653 AMAQI
11th Jul 2025714 AMAQI
30°C24/37°C
11th Jul 2025715 AMAQI
11th Jul 2025716 AMAQI
11th Jul 2025727 AMAQI
11th Jul 2025868 AMAQI
11th Jul 2025889 AMAQI
11th Jul 20258810 AMAQI
11th Jul 20258511 AMAQI
11th Jul 20258312 PMAQI
11th Jul 2025901 PMAQI
11th Jul 2025792 PMAQI
11th Jul 2025753 PMAQI
11th Jul 2025764 PMAQI
11th Jul 2025775 PMAQI
11th Jul 2025726 PMAQI
11th Jul 2025767 PMAQI
11th Jul 2025728 PMAQI
11th Jul 2025759 PMAQI
11th Jul 20257410 PMAQI
11th Jul 20257211 PMAQI
12th Jul 20257212 AMAQI
12th Jul 2025681 AMAQI
12th Jul 2025682 AMAQI
12th Jul 2025703 AMAQI
12th Jul 2025724 AMAQI
29°C24/36°C
12th Jul 2025725 AMAQI
12th Jul 2025716 AMAQI
12th Jul 2025727 AMAQI
12th Jul 2025708 AMAQI
12th Jul 2025709 AMAQI
12th Jul 20257910 AMAQI
12th Jul 20258511 AMAQI
12th Jul 20257112 PMAQI
12th Jul 2025761 PMAQI
12th Jul 2025692 PMAQI
12th Jul 2025663 PMAQI
12th Jul 2025684 PMAQI
12th Jul 2025615 PMAQI
12th Jul 2025586 PMAQI
12th Jul 2025647 PMAQI
12th Jul 2025678 PMAQI
12th Jul 2025659 PMAQI
12th Jul 20256410 PMAQI
12th Jul 20256511 PMAQI
13th Jul 20256812 AMAQI
13th Jul 2025651 AMAQI
13th Jul 2025702 AMAQI
13th Jul 2025713 AMAQI
13th Jul 2025724 AMAQI
30°C25/35°C
13th Jul 2025725 AMAQI
13th Jul 2025726 AMAQI
13th Jul 2025717 AMAQI
13th Jul 2025728 AMAQI
13th Jul 2025799 AMAQI
13th Jul 20257810 AMAQI
13th Jul 20258411 AMAQI
13th Jul 20257912 PMAQI
13th Jul 2025821 PMAQI
13th Jul 2025802 PMAQI
13th Jul 2025783 PMAQI
13th Jul 2025784 PMAQI
13th Jul 2025755 PMAQI
13th Jul 2025776 PMAQI
13th Jul 2025697 PMAQI
13th Jul 2025658 PMAQI
13th Jul 2025659 PMAQI
13th Jul 20256610 PMAQI
13th Jul 20257211 PMAQI
14th Jul 20257112 AMAQI
14th Jul 2025691 AMAQI
14th Jul 2025712 AMAQI
14th Jul 2025723 AMAQI
14th Jul 2025754 AMAQI
31°C26/37°C
14th Jul 2025735 AMAQI
14th Jul 2025746 AMAQI
14th Jul 2025747 AMAQI
14th Jul 2025508 AMAQI
14th Jul 2025409 AMAQI
14th Jul 20253010 AMAQI
14th Jul 20252811 AMAQI
14th Jul 20253012 PMAQI
14th Jul 2025271 PMAQI
14th Jul 2025292 PMAQI
14th Jul 2025303 PMAQI
14th Jul 2025304 PMAQI
14th Jul 2025305 PMAQI
14th Jul 2025326 PMAQI
14th Jul 2025487 PMAQI
14th Jul 2025608 PMAQI
14th Jul 2025609 PMAQI
14th Jul 20256010 PMAQI
14th Jul 20256011 PMAQI
15th Jul 20256112 AMAQI
15th Jul 2025711 AMAQI
15th Jul 2025722 AMAQI
15th Jul 2025703 AMAQI
15th Jul 2025664 AMAQI
30°C24/36°C
15th Jul 2025665 AMAQI
15th Jul 2025656 AMAQI
15th Jul 2025657 AMAQI
15th Jul 2025508 AMAQI
15th Jul 2025509 AMAQI
15th Jul 20255510 AMAQI
15th Jul 20255311 AMAQI
15th Jul 20255612 PMAQI
15th Jul 2025571 PMAQI
15th Jul 2025572 PMAQI
15th Jul 2025593 PMAQI
15th Jul 2025604 PMAQI
15th Jul 2025665 PMAQI
15th Jul 2025646 PMAQI
15th Jul 2025717 PMAQI
15th Jul 2025728 PMAQI
15th Jul 2025749 PMAQI
15th Jul 20257810 PMAQI
15th Jul 20257911 PMAQI
16th Jul 20257612 AMAQI
16th Jul 2025681 AMAQI
16th Jul 2025682 AMAQI
16th Jul 2025673 AMAQI
16th Jul 2025674 AMAQI
29°C24/37°C
16th Jul 2025645 AMAQI
16th Jul 2025656 AMAQI
16th Jul 2025657 AMAQI
16th Jul 2025668 AMAQI
16th Jul 2025689 AMAQI
16th Jul 20256410 AMAQI
16th Jul 20257011 AMAQI
16th Jul 20257012 PMAQI
16th Jul 2025751 PMAQI
16th Jul 2025832 PMAQI
16th Jul 2025703 PMAQI
16th Jul 2025664 PMAQI
16th Jul 2025575 PMAQI
16th Jul 2025536 PMAQI
16th Jul 2025587 PMAQI
16th Jul 2025628 PMAQI
16th Jul 2025609 PMAQI
16th Jul 20256010 PMAQI
16th Jul 20256011 PMAQI
17th Jul 20256312 AMAQI
17th Jul 2025681 AMAQI
17th Jul 2025682 AMAQI
17th Jul 2025683 AMAQI
17th Jul 2025694 AMAQI
29°C24/34°C
17th Jul 2025695 AMAQI
17th Jul 2025696 AMAQI
17th Jul 2025697 AMAQI
17th Jul 2025668 AMAQI
17th Jul 2025559 AMAQI
17th Jul 20255310 AMAQI
17th Jul 20255611 AMAQI
17th Jul 20255812 PMAQI
17th Jul 2025551 PMAQI
17th Jul 2025512 PMAQI
17th Jul 2025433 PMAQI
17th Jul 2025534 PMAQI
17th Jul 2025475 PMAQI
17th Jul 2025466 PMAQI
17th Jul 2025547 PMAQI
17th Jul 2025618 PMAQI
17th Jul 2025629 PMAQI
17th Jul 20256610 PMAQI
17th Jul 20256511 PMAQI
18th Jul 20256412 AMAQI
18th Jul 2025671 AMAQI
18th Jul 2025682 AMAQI
18th Jul 2025663 AMAQI
18th Jul 2025664 AMAQI
29°C22/35°C
18th Jul 2025665 AMAQI
18th Jul 2025666 AMAQI
18th Jul 2025647 AMAQI
18th Jul 2025638 AMAQI
18th Jul 2025559 AMAQI
18th Jul 20256410 AMAQI
18th Jul 20256011 AMAQI
18th Jul 20255612 PMAQI
18th Jul 2025531 PMAQI
18th Jul 2025482 PMAQI
18th Jul 2025453 PMAQI
18th Jul 2025464 PMAQI
18th Jul 2025465 PMAQI
18th Jul 2025486 PMAQI
18th Jul 2025607 PMAQI
18th Jul 2025648 PMAQI
18th Jul 2025689 PMAQI
18th Jul 20256810 PMAQI
18th Jul 20257011 PMAQI
19th Jul 20257312 AMAQI
19th Jul 2025671 AMAQI
19th Jul 2025672 AMAQI
19th Jul 2025733 AMAQI
19th Jul 2025674 AMAQI
30°C23/37°C
19th Jul 2025655 AMAQI
19th Jul 2025646 AMAQI
19th Jul 2025647 AMAQI
19th Jul 2025788 AMAQI
19th Jul 2025879 AMAQI
19th Jul 20258810 AMAQI
19th Jul 20259311 AMAQI
19th Jul 20259012 PMAQI
19th Jul 2025911 PMAQI
19th Jul 2025842 PMAQI
19th Jul 2025803 PMAQI
19th Jul 2025824 PMAQI
19th Jul 2025815 PMAQI
19th Jul 2025846 PMAQI
19th Jul 2025767 PMAQI
19th Jul 2025748 PMAQI
19th Jul 2025769 PMAQI
19th Jul 20257510 PMAQI
19th Jul 20256911 PMAQI
20th Jul 20256812 AMAQI
20th Jul 2025671 AMAQI
20th Jul 2025682 AMAQI
20th Jul 2025703 AMAQI
20th Jul 2025724 AMAQI
30°C23/36°C
20th Jul 2025725 AMAQI
20th Jul 2025726 AMAQI
20th Jul 2025727 AMAQI
20th Jul 2025728 AMAQI
20th Jul 2025709 AMAQI
20th Jul 20257810 AMAQI
20th Jul 20257711 AMAQI
20th Jul 20258112 PMAQI
20th Jul 2025801 PMAQI
20th Jul 2025742 PMAQI
20th Jul 2025713 PMAQI
20th Jul 2025664 PMAQI
20th Jul 2025635 PMAQI
20th Jul 2025596 PMAQI
20th Jul 2025587 PMAQI
20th Jul 2025608 PMAQI
20th Jul 2025609 PMAQI
20th Jul 20256310 PMAQI
20th Jul 20256211 PMAQI
21st Jul 20256512 AMAQI
21st Jul 2025701 AMAQI
21st Jul 2025702 AMAQI
21st Jul 2025713 AMAQI
21st Jul 2025714 AMAQI
28°C25/34°C
21st Jul 2025705 AMAQI
21st Jul 2025716 AMAQI
21st Jul 2025717 AMAQI
21st Jul 2025298 AMAQI
21st Jul 2025189 AMAQI
21st Jul 20252410 AMAQI
21st Jul 20252511 AMAQI
21st Jul 20253512 PMAQI
21st Jul 2025281 PMAQI
21st Jul 2025292 PMAQI
21st Jul 2025283 PMAQI
21st Jul 2025334 PMAQI
21st Jul 2025425 PMAQI
21st Jul 2025506 PMAQI
21st Jul 2025477 PMAQI
21st Jul 2025578 PMAQI
21st Jul 2025569 PMAQI
21st Jul 20255610 PMAQI
21st Jul 20255611 PMAQI
22nd Jul 20255612 AMAQI
22nd Jul 2025661 AMAQI
22nd Jul 2025702 AMAQI
22nd Jul 2025663 AMAQI
22nd Jul 2025634 AMAQI
27°C24/31°C
22nd Jul 2025625 AMAQI
22nd Jul 2025646 AMAQI
22nd Jul 2025637 AMAQI
22nd Jul 2025298 AMAQI
22nd Jul 2025179 AMAQI
22nd Jul 20251810 AMAQI
22nd Jul 20251911 AMAQI
22nd Jul 20251912 PMAQI
22nd Jul 2025221 PMAQI
22nd Jul 2025242 PMAQI
22nd Jul 2025203 PMAQI
22nd Jul 2025244 PMAQI
22nd Jul 2025345 PMAQI
22nd Jul 2025386 PMAQI
22nd Jul 2025487 PMAQI
22nd Jul 2025588 PMAQI
22nd Jul 2025609 PMAQI
22nd Jul 20255810 PMAQI
22nd Jul 20255611 PMAQI
23rd Jul 20255512 AMAQI
23rd Jul 2025581 AMAQI
23rd Jul 2025642 AMAQI
23rd Jul 2025613 AMAQI
23rd Jul 2025584 AMAQI
27°C24/32°C
23rd Jul 2025585 AMAQI
23rd Jul 2025576 AMAQI
23rd Jul 2025577 AMAQI
23rd Jul 2025388 AMAQI
23rd Jul 2025449 AMAQI
23rd Jul 20255610 AMAQI
23rd Jul 20255911 AMAQI
23rd Jul 20256312 PMAQI
23rd Jul 2025641 PMAQI
23rd Jul 2025652 PMAQI
23rd Jul 2025613 PMAQI
23rd Jul 2025544 PMAQI
23rd Jul 2025365 PMAQI
23rd Jul 2025326 PMAQI
23rd Jul 2025527 PMAQI
23rd Jul 2025568 PMAQI
23rd Jul 2025589 PMAQI
23rd Jul 20255710 PMAQI
23rd Jul 20255411 PMAQI
24th Jul 20255412 AMAQI
24th Jul 2025621 AMAQI
24th Jul 2025602 AMAQI
24th Jul 2025593 AMAQI
24th Jul 2025604 AMAQI
28°C24/33°C
24th Jul 2025595 AMAQI
24th Jul 2025586 AMAQI
24th Jul 2025607 AMAQI
24th Jul 2025588 AMAQI
24th Jul 2025539 AMAQI
24th Jul 20256010 AMAQI
24th Jul 20255611 AMAQI
24th Jul 20256412 PMAQI
24th Jul 2025671 PMAQI
24th Jul 2025682 PMAQI
24th Jul 2025593 PMAQI
24th Jul 2025584 PMAQI
24th Jul 2025595 PMAQI
24th Jul 2025616 PMAQI
24th Jul 2025597 PMAQI
24th Jul 2025588 PMAQI
24th Jul 2025599 PMAQI
24th Jul 20255910 PMAQI
24th Jul 20256011 PMAQI
25th Jul 20255912 AMAQI
25th Jul 2025581 AMAQI
25th Jul 2025592 AMAQI
25th Jul 2025593 AMAQI
25th Jul 2025594 AMAQI
28°C24/33°C
25th Jul 2025595 AMAQI
25th Jul 2025606 AMAQI
25th Jul 2025597 AMAQI
25th Jul 2025708 AMAQI
25th Jul 2025749 AMAQI
25th Jul 20256610 AMAQI
25th Jul 20255811 AMAQI
25th Jul 20255812 PMAQI
25th Jul 2025561 PMAQI
25th Jul 2025602 PMAQI
25th Jul 2025573 PMAQI
25th Jul 2025614 PMAQI
25th Jul 2025605 PMAQI
25th Jul 2025606 PMAQI
25th Jul 2025627 PMAQI
25th Jul 2025628 PMAQI
25th Jul 2025659 PMAQI
25th Jul 20256510 PMAQI
25th Jul 20255811 PMAQI
26th Jul 20256112 AMAQI
26th Jul 2025591 AMAQI
26th Jul 2025592 AMAQI
26th Jul 2025603 AMAQI
26th Jul 2025604 AMAQI
28°C23/34°C
26th Jul 2025605 AMAQI
26th Jul 2025606 AMAQI
26th Jul 2025607 AMAQI
26th Jul 2025628 AMAQI
26th Jul 2025599 AMAQI
26th Jul 20255710 AMAQI
26th Jul 20255211 AMAQI
26th Jul 20255212 PMAQI
26th Jul 2025561 PMAQI
26th Jul 2025632 PMAQI
26th Jul 2025613 PMAQI
26th Jul 2025634 PMAQI
26th Jul 2025615 PMAQI
26th Jul 2025566 PMAQI
26th Jul 2025607 PMAQI
26th Jul 2025568 PMAQI
26th Jul 2025549 PMAQI
26th Jul 20255410 PMAQI
26th Jul 20255011 PMAQI
27th Jul 20255312 AMAQI
27th Jul 2025601 AMAQI
27th Jul 2025602 AMAQI
27th Jul 2025603 AMAQI
27th Jul 2025594 AMAQI
28°C23/35°C
27th Jul 2025595 AMAQI
27th Jul 2025596 AMAQI
27th Jul 2025597 AMAQI
27th Jul 2025508 AMAQI
27th Jul 2025399 AMAQI
27th Jul 20254510 AMAQI
27th Jul 20253811 AMAQI
27th Jul 20254412 PMAQI
27th Jul 2025381 PMAQI
27th Jul 2025352 PMAQI
27th Jul 2025363 PMAQI
27th Jul 2025364 PMAQI
27th Jul 2025325 PMAQI
27th Jul 2025426 PMAQI
27th Jul 2025447 PMAQI
27th Jul 2025548 PMAQI
27th Jul 2025549 PMAQI
27th Jul 20255510 PMAQI
27th Jul 20255411 PMAQI
28th Jul 20255612 AMAQI
28th Jul 2025581 AMAQI
28th Jul 2025582 AMAQI
28th Jul 2025573 AMAQI
28th Jul 2025564 AMAQI
29°C24/35°C
28th Jul 2025565 AMAQI
28th Jul 2025566 AMAQI
28th Jul 2025557 AMAQI
28th Jul 2025508 AMAQI
28th Jul 2025519 AMAQI
28th Jul 20255210 AMAQI
28th Jul 20254011 AMAQI
28th Jul 20254112 PMAQI
28th Jul 2025361 PMAQI
28th Jul 2025432 PMAQI
28th Jul 2025483 PMAQI
28th Jul 2025534 PMAQI
28th Jul 2025545 PMAQI
28th Jul 2025546 PMAQI
28th Jul 2025547 PMAQI
28th Jul 2025548 PMAQI
28th Jul 2025559 PMAQI
28th Jul 20255410 PMAQI
28th Jul 20255211 PMAQI
29th Jul 20254812 AMAQI
29th Jul 2025551 AMAQI
29th Jul 2025572 AMAQI
29th Jul 2025563 AMAQI
29th Jul 2025554 AMAQI
28°C24/34°C
29th Jul 2025545 AMAQI
29th Jul 2025556 AMAQI
29th Jul 2025547 AMAQI
29th Jul 2025418 AMAQI
29th Jul 2025389 AMAQI
29th Jul 20255010 AMAQI
29th Jul 20255211 AMAQI
29th Jul 20255312 PMAQI
29th Jul 2025541 PMAQI
29th Jul 2025532 PMAQI
29th Jul 2025563 PMAQI
29th Jul 2025574 PMAQI
29th Jul 2025415 PMAQI
29th Jul 2025436 PMAQI
29th Jul 2025447 PMAQI
29th Jul 2025528 PMAQI
29th Jul 2025529 PMAQI
29th Jul 20255210 PMAQI
29th Jul 20254911 PMAQI
30th Jul 20254812 AMAQI
30th Jul 2025551 AMAQI
30th Jul 2025552 AMAQI
30th Jul 2025543 AMAQI
30th Jul 2025544 AMAQI
28°C24/33°C
30th Jul 2025545 AMAQI
30th Jul 2025556 AMAQI
30th Jul 2025557 AMAQI
30th Jul 2025488 AMAQI
30th Jul 2025539 AMAQI
30th Jul 20255210 AMAQI
30th Jul 20255511 AMAQI
30th Jul 20255912 PMAQI
30th Jul 2025621 PMAQI
30th Jul 2025682 PMAQI
30th Jul 2025683 PMAQI
30th Jul 2025684 PMAQI
30th Jul 2025585 PMAQI
30th Jul 2025626 PMAQI
30th Jul 2025647 PMAQI
30th Jul 2025608 PMAQI
30th Jul 2025579 PMAQI
30th Jul 20255710 PMAQI
30th Jul 20255511 PMAQI
31st Jul 20255412 AMAQI
31st Jul 2025551 AMAQI
31st Jul 2025542 AMAQI
31st Jul 2025553 AMAQI
31st Jul 2025554 AMAQI
28°C24/34°C
31st Jul 2025555 AMAQI
31st Jul 2025556 AMAQI
31st Jul 2025557 AMAQI
31st Jul 2025558 AMAQI
31st Jul 2025559 AMAQI
31st Jul 20255610 AMAQI
31st Jul 20256011 AMAQI
31st Jul 20255812 PMAQI
31st Jul 2025541 PMAQI
31st Jul 2025502 PMAQI
31st Jul 2025473 PMAQI
31st Jul 2025504 PMAQI
31st Jul 2025555 PMAQI
31st Jul 2025506 PMAQI
31st Jul 2025497 PMAQI
31st Jul 2025558 PMAQI
31st Jul 2025569 PMAQI
31st Jul 20255710 PMAQI
31st Jul 20255611 PMAQI
1st Aug 20255812 AMAQI
1st Aug 2025611 AMAQI
1st Aug 2025592 AMAQI
1st Aug 2025573 AMAQI
1st Aug 2025584 AMAQI
28°C23/34°C
1st Aug 2025595 AMAQI
1st Aug 2025586 AMAQI
1st Aug 2025587 AMAQI
1st Aug 2025678 AMAQI
1st Aug 2025649 AMAQI
1st Aug 20256510 AMAQI
1st Aug 20256411 AMAQI
1st Aug 20256012 PMAQI
1st Aug 2025531 PMAQI
1st Aug 2025392 PMAQI
1st Aug 2025483 PMAQI
1st Aug 2025544 PMAQI
1st Aug 2025485 PMAQI
1st Aug 2025556 PMAQI
1st Aug 2025517 PMAQI
1st Aug 2025518 PMAQI
1st Aug 2025529 PMAQI
1st Aug 20255110 PMAQI
1st Aug 20255411 PMAQI
2nd Aug 20255312 AMAQI
2nd Aug 2025581 AMAQI
2nd Aug 2025582 AMAQI
2nd Aug 2025583 AMAQI
2nd Aug 2025604 AMAQI
28°C24/33°C
2nd Aug 2025605 AMAQI
2nd Aug 2025596 AMAQI
2nd Aug 2025597 AMAQI
2nd Aug 2025478 AMAQI
2nd Aug 2025419 AMAQI
2nd Aug 20255110 AMAQI
2nd Aug 20254411 AMAQI
2nd Aug 20253812 PMAQI
2nd Aug 2025481 PMAQI
2nd Aug 2025472 PMAQI
2nd Aug 2025503 PMAQI
2nd Aug 2025464 PMAQI
2nd Aug 2025505 PMAQI
2nd Aug 2025446 PMAQI
2nd Aug 2025517 PMAQI
2nd Aug 2025548 PMAQI
2nd Aug 2025569 PMAQI
2nd Aug 20255610 PMAQI
2nd Aug 20255611 PMAQI
3rd Aug 20255412 AMAQI
3rd Aug 2025581 AMAQI
3rd Aug 2025582 AMAQI
3rd Aug 2025573 AMAQI
3rd Aug 2025574 AMAQI
28°C23/34°C
3rd Aug 2025575 AMAQI
3rd Aug 2025566 AMAQI
3rd Aug 2025577 AMAQI
3rd Aug 2025578 AMAQI
3rd Aug 2025609 AMAQI
3rd Aug 20256010 AMAQI
3rd Aug 20255411 AMAQI
3rd Aug 20256212 PMAQI
3rd Aug 2025581 PMAQI
3rd Aug 2025622 PMAQI
3rd Aug 2025643 PMAQI
3rd Aug 2025684 PMAQI
3rd Aug 2025685 PMAQI
3rd Aug 2025666 PMAQI
3rd Aug 2025627 PMAQI
3rd Aug 2025638 PMAQI
3rd Aug 2025639 PMAQI
3rd Aug 20256210 PMAQI
3rd Aug 20256211 PMAQI
4th Aug 20256012 AMAQI
4th Aug 2025571 AMAQI
4th Aug 2025572 AMAQI
4th Aug 2025573 AMAQI
4th Aug 2025584 AMAQI
--°C/°C
4th Aug 2025585 AMAQI
5 AM4th Aug 2025576 AMAQI
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 7 PM
59AQI
15 hours / Day
450 hours / Month
Avg. Lowest Time
8 AM - 6 PM
58AQI
11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 PM (Avg. 59), while the lowest AQI was between 8 AM to 6 PM (Avg. 58).
Night time
Avg. Highest Time
12 AM - 11 PM
62AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
62AQI
9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 62), while the lowest AQI was between 12 AM to 11 PM (Avg. 62).
2025 Days Vs Air Quality
Houfeng Company, Taian, Shandong, China
2025
3%
7
61%
130
28%
60
8%
17
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
7 DaysModerate
130 DaysPoor
60 DaysUnhealthy
17 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 3%
Health Risk Level:
Extreme
In 2025, 3% of 215 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
Houfeng Company, Taian, 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.
1st January 2025
164AQI
164AQI
2nd January 2025
119AQI
119AQI
3rd January 2025
137AQI
137AQI
4th January 2025
163AQI
163AQI
5th January 2025
172AQI
172AQI
6th January 2025
79AQI
79AQI
7th January 2025
106AQI
106AQI
8th January 2025
52AQI
52AQI
9th January 2025
69AQI
69AQI
10th January 2025
82AQI
82AQI
11th January 2025
129AQI
129AQI
12th January 2025
132AQI
132AQI
13th January 2025
148AQI
148AQI
14th January 2025
116AQI
116AQI
15th January 2025
82AQI
82AQI
16th January 2025
109AQI
109AQI
17th January 2025
120AQI
120AQI
18th January 2025
146AQI
146AQI
19th January 2025
147AQI
147AQI
20th January 2025
140AQI
140AQI
21st January 2025
171AQI
171AQI
22nd January 2025
177AQI
177AQI
23rd January 2025
167AQI
167AQI
24th January 2025
179AQI
179AQI
25th January 2025
155AQI
155AQI
26th January 2025
135AQI
135AQI
27th January 2025
71AQI
71AQI
28th January 2025
99AQI
99AQI
29th January 2025
137AQI
137AQI
30th January 2025
143AQI
143AQI
31st January 2025
170AQI
170AQI
1st February 2025
155AQI
155AQI
2nd February 2025
169AQI
169AQI
3rd February 2025
94AQI
94AQI
4th February 2025
94AQI
94AQI
5th February 2025
60AQI
60AQI
6th February 2025
117AQI
117AQI
7th February 2025
48AQI
48AQI
8th February 2025
61AQI
61AQI
9th February 2025
83AQI
83AQI
10th February 2025
122AQI
122AQI
11th February 2025
128AQI
128AQI
12th February 2025
100AQI
100AQI
13th February 2025
118AQI
118AQI
14th February 2025
130AQI
130AQI
15th February 2025
126AQI
126AQI
16th February 2025
98AQI
98AQI
17th February 2025
99AQI
99AQI
18th February 2025
120AQI
120AQI
19th February 2025
95AQI
95AQI
20th February 2025
133AQI
133AQI
21st February 2025
143AQI
143AQI
22nd February 2025
116AQI
116AQI
23rd February 2025
88AQI
88AQI
24th February 2025
87AQI
87AQI
25th February 2025
117AQI
117AQI
26th February 2025
134AQI
134AQI
27th February 2025
153AQI
153AQI
28th February 2025
162AQI
162AQI
1st March 2025
154AQI
154AQI
2nd March 2025
82AQI
82AQI
3rd March 2025
87AQI
87AQI
4th March 2025
91AQI
91AQI
5th March 2025
124AQI
124AQI
6th March 2025
117AQI
117AQI
7th March 2025
132AQI
132AQI
8th March 2025
146AQI
146AQI
9th March 2025
150AQI
150AQI
10th March 2025
159AQI
159AQI
11th March 2025
164AQI
164AQI
12th March 2025
150AQI
150AQI
13th March 2025
108AQI
108AQI
14th March 2025
97AQI
97AQI
15th March 2025
125AQI
125AQI
16th March 2025
72AQI
72AQI
17th March 2025
88AQI
88AQI
18th March 2025
56AQI
56AQI
19th March 2025
89AQI
89AQI
20th March 2025
80AQI
80AQI
21st March 2025
82AQI
82AQI
22nd March 2025
93AQI
93AQI
23rd March 2025
125AQI
125AQI
24th March 2025
104AQI
104AQI
25th March 2025
190AQI
190AQI
26th March 2025
115AQI
115AQI
27th March 2025
117AQI
117AQI
28th March 2025
122AQI
122AQI
29th March 2025
75AQI
75AQI
30th March 2025
94AQI
94AQI
31st March 2025
101AQI
101AQI
1st April 2025
106AQI
106AQI
2nd April 2025
61AQI
61AQI
3rd April 2025
85AQI
85AQI
4th April 2025
114AQI
114AQI
5th April 2025
59AQI
59AQI
6th April 2025
95AQI
95AQI
7th April 2025
101AQI
101AQI
8th April 2025
111AQI
111AQI
9th April 2025
112AQI
112AQI
10th April 2025
116AQI
116AQI
11th April 2025
115AQI
115AQI
12th April 2025
102AQI
102AQI
13th April 2025
77AQI
77AQI
14th April 2025
71AQI
71AQI
15th April 2025
74AQI
74AQI
16th April 2025
100AQI
100AQI
17th April 2025
131AQI
131AQI
18th April 2025
108AQI
108AQI
19th April 2025
100AQI
100AQI
20th April 2025
104AQI
104AQI
21st April 2025
96AQI
96AQI
22nd April 2025
94AQI
94AQI
23rd April 2025
98AQI
98AQI
24th April 2025
72AQI
72AQI
25th April 2025
85AQI
85AQI
26th April 2025
80AQI
80AQI
27th April 2025
95AQI
95AQI
28th April 2025
73AQI
73AQI
29th April 2025
80AQI
80AQI
30th April 2025
89AQI
89AQI
1st May 2025
74AQI
74AQI
2nd May 2025
88AQI
88AQI
3rd May 2025
62AQI
62AQI
4th May 2025
74AQI
74AQI
5th May 2025
84AQI
84AQI
6th May 2025
89AQI
89AQI
7th May 2025
97AQI
97AQI
8th May 2025
87AQI
87AQI
9th May 2025
58AQI
58AQI
10th May 2025
61AQI
61AQI
11th May 2025
74AQI
74AQI
12th May 2025
75AQI
75AQI
13th May 2025
86AQI
86AQI
14th May 2025
104AQI
104AQI
15th May 2025
66AQI
66AQI
16th May 2025
127AQI
127AQI
17th May 2025
107AQI
107AQI
18th May 2025
94AQI
94AQI
19th May 2025
110AQI
110AQI
20th May 2025
107AQI
107AQI
21st May 2025
109AQI
109AQI
22nd May 2025
107AQI
107AQI
23rd May 2025
99AQI
99AQI
24th May 2025
91AQI
91AQI
25th May 2025
81AQI
81AQI
26th May 2025
93AQI
93AQI
27th May 2025
95AQI
95AQI
28th May 2025
92AQI
92AQI
29th May 2025
88AQI
88AQI
30th May 2025
90AQI
90AQI
31st May 2025
106AQI
106AQI
1st June 2025
90AQI
90AQI
2nd June 2025
94AQI
94AQI
3rd June 2025
61AQI
61AQI
4th June 2025
56AQI
56AQI
5th June 2025
75AQI
75AQI
6th June 2025
76AQI
76AQI
7th June 2025
86AQI
86AQI
8th June 2025
88AQI
88AQI
9th June 2025
93AQI
93AQI
10th June 2025
63AQI
63AQI
11th June 2025
82AQI
82AQI
12th June 2025
69AQI
69AQI
13th June 2025
76AQI
76AQI
14th June 2025
78AQI
78AQI
15th June 2025
55AQI
55AQI
16th June 2025
47AQI
47AQI
17th June 2025
59AQI
59AQI
18th June 2025
65AQI
65AQI
19th June 2025
54AQI
54AQI
20th June 2025
61AQI
61AQI
21st June 2025
50AQI
50AQI
22nd June 2025
44AQI
44AQI
23rd June 2025
61AQI
61AQI
24th June 2025
64AQI
64AQI
25th June 2025
70AQI
70AQI
26th June 2025
80AQI
80AQI
27th June 2025
71AQI
71AQI
28th June 2025
68AQI
68AQI
29th June 2025
57AQI
57AQI
30th June 2025
57AQI
57AQI
1st July 2025
60AQI
60AQI
2nd July 2025
56AQI
56AQI
3rd July 2025
49AQI
49AQI
4th July 2025
52AQI
52AQI
5th July 2025
56AQI
56AQI
6th July 2025
64AQI
64AQI
7th July 2025
59AQI
59AQI
8th July 2025
66AQI
66AQI
9th July 2025
57AQI
57AQI
10th July 2025
71AQI
71AQI
11th July 2025
74AQI
74AQI
12th July 2025
69AQI
69AQI
13th July 2025
73AQI
73AQI
14th July 2025
53AQI
53AQI
15th July 2025
65AQI
65AQI
16th July 2025
65AQI
65AQI
17th July 2025
60AQI
60AQI
18th July 2025
61AQI
61AQI
19th July 2025
76AQI
76AQI
20th July 2025
68AQI
68AQI
21st July 2025
51AQI
51AQI
22nd July 2025
47AQI
47AQI
23rd July 2025
55AQI
55AQI
24th July 2025
59AQI
59AQI
25th July 2025
61AQI
61AQI
26th July 2025
58AQI
58AQI
27th July 2025
50AQI
50AQI
28th July 2025
52AQI
52AQI
29th July 2025
51AQI
51AQI
30th July 2025
57AQI
57AQI
31st July 2025
54AQI
54AQI
1st August 2025
56AQI
56AQI
2nd August 2025
54AQI
54AQI
130AQI
113AQI
113AQI
93AQI
90AQI
68AQI
60AQI
55AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202595AQI
7
15
9
1
11
12
4
13
14
4
19
11
23
8
3
27
3
28
2
7
130
60
17
Highest AQI recorded in
January130AQI
Lowest AQI recorded in
August55AQI
202495AQI
1
8
11
10
1
4
10
8
6
1
1
13
9
8
1
12
15
2
24
6
1
27
3
9
18
4
8
22
1
11
17
2
6
11
10
4
2
14
10
4
7
22
2
43
183
101
37
2
Highest AQI recorded in
January131AQI
Lowest AQI recorded in
September61AQI
2023103AQI
1
7
10
9
4
9
9
9
1
7
10
12
2
1
15
9
2
1
2
3
18
10
2
26
1
1
4
24
3
4
25
2
3
17
10
3
11
14
3
1
15
8
5
1
7
13
7
3
23
181
99
48
11
2
Highest AQI recorded in
March136AQI
Lowest AQI recorded in
August70AQI
202292AQI
6
26
4
1
2
21
7
3
19
2
1
5
17
6
6
13
10
2
1
11
12
6
1
9
12
9
18
123
53
18
Highest AQI recorded in
December120AQI
Lowest AQI recorded in
August58AQI
202197AQI
4
11
15
1
2
1
2
1
2
13
2
1
6
20
1
6
11
16
49
16
16
1
1
Highest AQI recorded in
January147AQI
Lowest AQI recorded in
April49AQI
2020103AQI
1
6
4
2
5
13
1
10
7
1
14
11
1
3
19
9
4
24
3
3
17
9
1
14
16
2
7
11
10
6
9
13
3
14
122
92
28
3
Highest AQI recorded in
December149AQI
Lowest AQI recorded in
August75AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
103AQILeast Polluted Year Recorded
2022(Avg.)
92AQIHoufeng Company's annual 2025 AQI (95) shows an average percentage change of -3.3% (improved AQI) compared to previous years: 2020 (103), 2021 (97), 2022 (92), 2023 (103), 2024 (95).
