Hebei University Of Technology, Langfang, 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+
August Air Quality Analysis
Hebei University Of Technology, Langfang, Hebei, China
2021
2022
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
7th Aug 2021
141AQILowest AQI recorded on
12th Aug 2024
28AQISame Day Analysis (1st August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 64 of Moderate air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Hebei University Of Technology, Langfang, Hebei, China
AQI
Day
Night
.
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
9AM2nd Aug
81AQI
Avg. Lowest Time
12PM2nd Aug
59AQI
In the last 24 hours,
Hebei University Of Technology's AQI reached its highest point of 81 at 9 AM during the Night, while the lowest point, 59, was recorded at 12 PM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hebei University Of Technology, Langfang, Hebei, China
JulAug
04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd
Day
Night
4th Jul 2025695 AMAQI
4th Jul 2025696 AMAQI
4th Jul 2025687 AMAQI
4th Jul 2025728 AMAQI
4th Jul 2025749 AMAQI
4th Jul 20257410 AMAQI
4th Jul 20256911 AMAQI
4th Jul 20257012 PMAQI
4th Jul 2025651 PMAQI
4th Jul 2025622 PMAQI
4th Jul 2025633 PMAQI
4th Jul 2025624 PMAQI
4th Jul 2025645 PMAQI
4th Jul 2025656 PMAQI
4th Jul 2025647 PMAQI
4th Jul 2025698 PMAQI
4th Jul 2025709 PMAQI
4th Jul 20257110 PMAQI
4th Jul 20257011 PMAQI
5th Jul 20257012 AMAQI
5th Jul 2025711 AMAQI
5th Jul 2025702 AMAQI
5th Jul 2025693 AMAQI
5th Jul 2025704 AMAQI
31°C25/37°C
5th Jul 2025705 AMAQI
5th Jul 2025706 AMAQI
5th Jul 2025707 AMAQI
5th Jul 2025778 AMAQI
5th Jul 2025709 AMAQI
5th Jul 20257310 AMAQI
5th Jul 20258411 AMAQI
5th Jul 20258112 PMAQI
5th Jul 2025641 PMAQI
5th Jul 2025592 PMAQI
5th Jul 2025573 PMAQI
5th Jul 2025574 PMAQI
5th Jul 2025575 PMAQI
5th Jul 2025566 PMAQI
5th Jul 2025557 PMAQI
5th Jul 2025658 PMAQI
5th Jul 2025659 PMAQI
5th Jul 20256610 PMAQI
5th Jul 20256411 PMAQI
6th Jul 20256412 AMAQI
6th Jul 2025681 AMAQI
6th Jul 2025682 AMAQI
6th Jul 2025683 AMAQI
6th Jul 2025684 AMAQI
32°C27/38°C
6th Jul 2025695 AMAQI
6th Jul 2025686 AMAQI
6th Jul 2025697 AMAQI
6th Jul 2025618 AMAQI
6th Jul 2025539 AMAQI
6th Jul 20255610 AMAQI
6th Jul 20255411 AMAQI
6th Jul 20255212 PMAQI
6th Jul 2025531 PMAQI
6th Jul 2025522 PMAQI
6th Jul 2025523 PMAQI
6th Jul 2025534 PMAQI
6th Jul 2025535 PMAQI
6th Jul 2025566 PMAQI
6th Jul 2025567 PMAQI
6th Jul 2025628 PMAQI
6th Jul 2025639 PMAQI
6th Jul 20256410 PMAQI
6th Jul 20256411 PMAQI
7th Jul 20256412 AMAQI
7th Jul 2025661 AMAQI
7th Jul 2025662 AMAQI
7th Jul 2025663 AMAQI
7th Jul 2025644 AMAQI
31°C27/35°C
7th Jul 2025645 AMAQI
7th Jul 2025646 AMAQI
7th Jul 2025647 AMAQI
7th Jul 2025708 AMAQI
7th Jul 2025679 AMAQI
7th Jul 20256010 AMAQI
7th Jul 20256111 AMAQI
7th Jul 20255812 PMAQI
7th Jul 2025581 PMAQI
7th Jul 2025592 PMAQI
7th Jul 2025583 PMAQI
7th Jul 2025574 PMAQI
7th Jul 2025565 PMAQI
7th Jul 2025576 PMAQI
7th Jul 2025587 PMAQI
7th Jul 2025628 PMAQI
7th Jul 2025629 PMAQI
7th Jul 20256410 PMAQI
7th Jul 20256211 PMAQI
8th Jul 20256012 AMAQI
8th Jul 2025631 AMAQI
8th Jul 2025642 AMAQI
8th Jul 2025643 AMAQI
8th Jul 2025644 AMAQI
29°C24/35°C
8th Jul 2025635 AMAQI
8th Jul 2025646 AMAQI
8th Jul 2025647 AMAQI
8th Jul 2025598 AMAQI
8th Jul 2025609 AMAQI
8th Jul 20256010 AMAQI
8th Jul 20256011 AMAQI
8th Jul 20256012 PMAQI
8th Jul 2025631 PMAQI
8th Jul 2025642 PMAQI
8th Jul 2025653 PMAQI
8th Jul 2025664 PMAQI
8th Jul 2025645 PMAQI
8th Jul 2025626 PMAQI
8th Jul 2025627 PMAQI
8th Jul 2025648 PMAQI
8th Jul 2025649 PMAQI
8th Jul 20256510 PMAQI
8th Jul 20256411 PMAQI
9th Jul 20256512 AMAQI
9th Jul 2025631 AMAQI
9th Jul 2025632 AMAQI
9th Jul 2025633 AMAQI
9th Jul 2025634 AMAQI
30°C24/36°C
9th Jul 2025635 AMAQI
9th Jul 2025636 AMAQI
9th Jul 2025637 AMAQI
9th Jul 2025828 AMAQI
9th Jul 2025809 AMAQI
9th Jul 20257510 AMAQI
9th Jul 20257811 AMAQI
9th Jul 20257212 PMAQI
9th Jul 2025661 PMAQI
9th Jul 2025592 PMAQI
9th Jul 2025573 PMAQI
9th Jul 2025554 PMAQI
9th Jul 2025595 PMAQI
9th Jul 2025616 PMAQI
9th Jul 2025617 PMAQI
9th Jul 2025638 PMAQI
9th Jul 2025649 PMAQI
9th Jul 20256410 PMAQI
9th Jul 20256811 PMAQI
10th Jul 20256812 AMAQI
10th Jul 2025641 AMAQI
10th Jul 2025642 AMAQI
10th Jul 2025653 AMAQI
10th Jul 2025664 AMAQI
30°C25/36°C
10th Jul 2025665 AMAQI
10th Jul 2025666 AMAQI
10th Jul 2025667 AMAQI
10th Jul 2025628 AMAQI
10th Jul 2025629 AMAQI
10th Jul 20256110 AMAQI
10th Jul 20256611 AMAQI
10th Jul 20257112 PMAQI
10th Jul 2025741 PMAQI
10th Jul 2025742 PMAQI
10th Jul 2025753 PMAQI
10th Jul 2025694 PMAQI
10th Jul 2025705 PMAQI
10th Jul 2025686 PMAQI
10th Jul 2025667 PMAQI
10th Jul 2025678 PMAQI
10th Jul 2025689 PMAQI
10th Jul 20256810 PMAQI
10th Jul 20256711 PMAQI
11th Jul 20257012 AMAQI
11th Jul 2025661 AMAQI
11th Jul 2025662 AMAQI
11th Jul 2025673 AMAQI
11th Jul 2025674 AMAQI
31°C26/38°C
11th Jul 2025675 AMAQI
11th Jul 2025686 AMAQI
11th Jul 2025687 AMAQI
11th Jul 2025848 AMAQI
11th Jul 2025909 AMAQI
11th Jul 20258210 AMAQI
11th Jul 20257811 AMAQI
11th Jul 20257812 PMAQI
11th Jul 2025741 PMAQI
11th Jul 2025742 PMAQI
11th Jul 2025703 PMAQI
11th Jul 2025724 PMAQI
11th Jul 2025725 PMAQI
11th Jul 2025746 PMAQI
11th Jul 2025747 PMAQI
11th Jul 2025728 PMAQI
11th Jul 2025729 PMAQI
11th Jul 20257210 PMAQI
11th Jul 20257011 PMAQI
12th Jul 20257012 AMAQI
12th Jul 2025691 AMAQI
12th Jul 2025682 AMAQI
12th Jul 2025683 AMAQI
12th Jul 2025704 AMAQI
31°C26/38°C
12th Jul 2025705 AMAQI
12th Jul 2025706 AMAQI
12th Jul 2025707 AMAQI
12th Jul 2025908 AMAQI
12th Jul 2025909 AMAQI
12th Jul 20258010 AMAQI
12th Jul 20258011 AMAQI
12th Jul 20257112 PMAQI
12th Jul 2025701 PMAQI
12th Jul 2025742 PMAQI
12th Jul 2025733 PMAQI
12th Jul 2025744 PMAQI
12th Jul 2025755 PMAQI
12th Jul 2025746 PMAQI
12th Jul 2025747 PMAQI
12th Jul 2025708 PMAQI
12th Jul 2025689 PMAQI
12th Jul 20257010 PMAQI
12th Jul 20256811 PMAQI
13th Jul 20256912 AMAQI
13th Jul 2025701 AMAQI
13th Jul 2025702 AMAQI
13th Jul 2025703 AMAQI
13th Jul 2025724 AMAQI
32°C27/39°C
13th Jul 2025715 AMAQI
13th Jul 2025716 AMAQI
13th Jul 2025727 AMAQI
13th Jul 2025658 AMAQI
13th Jul 2025589 AMAQI
13th Jul 20256010 AMAQI
13th Jul 20255711 AMAQI
13th Jul 20255812 PMAQI
13th Jul 2025581 PMAQI
13th Jul 2025602 PMAQI
13th Jul 2025603 PMAQI
13th Jul 2025584 PMAQI
13th Jul 2025575 PMAQI
13th Jul 2025576 PMAQI
13th Jul 2025607 PMAQI
13th Jul 2025678 PMAQI
13th Jul 2025679 PMAQI
13th Jul 20256810 PMAQI
13th Jul 20256811 PMAQI
14th Jul 20256812 AMAQI
14th Jul 2025701 AMAQI
14th Jul 2025702 AMAQI
14th Jul 2025703 AMAQI
14th Jul 2025694 AMAQI
32°C25/39°C
14th Jul 2025685 AMAQI
14th Jul 2025686 AMAQI
14th Jul 2025697 AMAQI
14th Jul 2025628 AMAQI
14th Jul 2025589 AMAQI
14th Jul 20255910 AMAQI
14th Jul 20256011 AMAQI
14th Jul 20256012 PMAQI
14th Jul 2025591 PMAQI
14th Jul 2025602 PMAQI
14th Jul 2025613 PMAQI
14th Jul 2025604 PMAQI
14th Jul 2025635 PMAQI
14th Jul 2025646 PMAQI
14th Jul 2025637 PMAQI
14th Jul 2025668 PMAQI
14th Jul 2025679 PMAQI
14th Jul 20256710 PMAQI
14th Jul 20256711 PMAQI
15th Jul 20256812 AMAQI
15th Jul 2025681 AMAQI
15th Jul 2025682 AMAQI
15th Jul 2025683 AMAQI
15th Jul 2025674 AMAQI
32°C26/37°C
15th Jul 2025685 AMAQI
15th Jul 2025676 AMAQI
15th Jul 2025687 AMAQI
15th Jul 2025618 AMAQI
15th Jul 2025619 AMAQI
15th Jul 20256110 AMAQI
15th Jul 20255911 AMAQI
15th Jul 20256512 PMAQI
15th Jul 2025641 PMAQI
15th Jul 2025672 PMAQI
15th Jul 2025683 PMAQI
15th Jul 2025734 PMAQI
15th Jul 2025685 PMAQI
15th Jul 2025686 PMAQI
15th Jul 2025667 PMAQI
15th Jul 2025688 PMAQI
15th Jul 2025699 PMAQI
15th Jul 20256910 PMAQI
15th Jul 20257011 PMAQI
16th Jul 20257212 AMAQI
16th Jul 2025671 AMAQI
16th Jul 2025682 AMAQI
16th Jul 2025683 AMAQI
16th Jul 2025674 AMAQI
28°C22/33°C
16th Jul 2025675 AMAQI
16th Jul 2025676 AMAQI
16th Jul 2025687 AMAQI
16th Jul 2025688 AMAQI
16th Jul 2025699 AMAQI
16th Jul 20256210 AMAQI
16th Jul 20256011 AMAQI
16th Jul 20256412 PMAQI
16th Jul 2025611 PMAQI
16th Jul 2025592 PMAQI
16th Jul 2025593 PMAQI
16th Jul 2025594 PMAQI
16th Jul 2025595 PMAQI
16th Jul 2025596 PMAQI
16th Jul 2025607 PMAQI
16th Jul 2025648 PMAQI
16th Jul 2025649 PMAQI
16th Jul 20256510 PMAQI
16th Jul 20256511 PMAQI
17th Jul 20256712 AMAQI
17th Jul 2025691 AMAQI
17th Jul 2025702 AMAQI
17th Jul 2025703 AMAQI
17th Jul 2025684 AMAQI
27°C20/35°C
17th Jul 2025685 AMAQI
17th Jul 2025686 AMAQI
17th Jul 2025687 AMAQI
17th Jul 2025598 AMAQI
17th Jul 2025549 AMAQI
17th Jul 20255210 AMAQI
17th Jul 20255211 AMAQI
17th Jul 20255412 PMAQI
17th Jul 2025531 PMAQI
17th Jul 2025522 PMAQI
17th Jul 2025533 PMAQI
17th Jul 2025544 PMAQI
17th Jul 2025525 PMAQI
17th Jul 2025526 PMAQI
17th Jul 2025547 PMAQI
17th Jul 2025638 PMAQI
17th Jul 2025649 PMAQI
17th Jul 20256410 PMAQI
17th Jul 20256511 PMAQI
18th Jul 20256512 AMAQI
18th Jul 2025671 AMAQI
18th Jul 2025672 AMAQI
18th Jul 2025673 AMAQI
18th Jul 2025664 AMAQI
31°C24/38°C
18th Jul 2025665 AMAQI
18th Jul 2025656 AMAQI
18th Jul 2025667 AMAQI
18th Jul 2025728 AMAQI
18th Jul 2025749 AMAQI
18th Jul 20257010 AMAQI
18th Jul 20256011 AMAQI
18th Jul 20255912 PMAQI
18th Jul 2025601 PMAQI
18th Jul 2025582 PMAQI
18th Jul 2025573 PMAQI
18th Jul 2025584 PMAQI
18th Jul 2025615 PMAQI
18th Jul 2025606 PMAQI
18th Jul 2025627 PMAQI
18th Jul 2025658 PMAQI
18th Jul 2025679 PMAQI
18th Jul 20256710 PMAQI
18th Jul 20256711 PMAQI
19th Jul 20256612 AMAQI
19th Jul 2025651 AMAQI
19th Jul 2025662 AMAQI
19th Jul 2025663 AMAQI
19th Jul 2025664 AMAQI
31°C25/38°C
19th Jul 2025665 AMAQI
19th Jul 2025666 AMAQI
19th Jul 2025667 AMAQI
19th Jul 2025658 AMAQI
19th Jul 2025629 AMAQI
19th Jul 20255810 AMAQI
19th Jul 20255811 AMAQI
19th Jul 20256112 PMAQI
19th Jul 2025591 PMAQI
19th Jul 2025612 PMAQI
19th Jul 2025603 PMAQI
19th Jul 2025584 PMAQI
19th Jul 2025595 PMAQI
19th Jul 2025606 PMAQI
19th Jul 2025617 PMAQI
19th Jul 2025668 PMAQI
19th Jul 2025679 PMAQI
19th Jul 20256810 PMAQI
19th Jul 20256811 PMAQI
20th Jul 20256812 AMAQI
20th Jul 2025661 AMAQI
20th Jul 2025662 AMAQI
20th Jul 2025663 AMAQI
20th Jul 2025644 AMAQI
30°C25/36°C
20th Jul 2025645 AMAQI
20th Jul 2025646 AMAQI
20th Jul 2025647 AMAQI
20th Jul 2025668 AMAQI
20th Jul 2025659 AMAQI
20th Jul 20255810 AMAQI
20th Jul 20255411 AMAQI
20th Jul 20255612 PMAQI
20th Jul 2025561 PMAQI
20th Jul 2025572 PMAQI
20th Jul 2025553 PMAQI
20th Jul 2025574 PMAQI
20th Jul 2025565 PMAQI
20th Jul 2025586 PMAQI
20th Jul 2025597 PMAQI
20th Jul 2025648 PMAQI
20th Jul 2025669 PMAQI
20th Jul 20256610 PMAQI
20th Jul 20256711 PMAQI
21st Jul 20256812 AMAQI
21st Jul 2025661 AMAQI
21st Jul 2025662 AMAQI
21st Jul 2025663 AMAQI
21st Jul 2025654 AMAQI
24°C22/24°C
21st Jul 2025655 AMAQI
21st Jul 2025666 AMAQI
21st Jul 2025657 AMAQI
21st Jul 2025728 AMAQI
21st Jul 2025729 AMAQI
21st Jul 20255910 AMAQI
21st Jul 20255711 AMAQI
21st Jul 20255812 PMAQI
21st Jul 2025581 PMAQI
21st Jul 2025582 PMAQI
21st Jul 2025553 PMAQI
21st Jul 2025564 PMAQI
21st Jul 2025575 PMAQI
21st Jul 2025566 PMAQI
21st Jul 2025577 PMAQI
21st Jul 2025648 PMAQI
21st Jul 2025659 PMAQI
21st Jul 20256810 PMAQI
21st Jul 20257211 PMAQI
22nd Jul 20257312 AMAQI
22nd Jul 2025661 AMAQI
22nd Jul 2025662 AMAQI
22nd Jul 2025663 AMAQI
22nd Jul 2025664 AMAQI
29°C22/36°C
22nd Jul 2025665 AMAQI
22nd Jul 2025666 AMAQI
22nd Jul 2025667 AMAQI
22nd Jul 2025828 AMAQI
22nd Jul 2025849 AMAQI
22nd Jul 20257310 AMAQI
22nd Jul 20256511 AMAQI
22nd Jul 20256712 PMAQI
22nd Jul 2025651 PMAQI
22nd Jul 2025622 PMAQI
22nd Jul 2025633 PMAQI
22nd Jul 2025624 PMAQI
22nd Jul 2025625 PMAQI
22nd Jul 2025636 PMAQI
22nd Jul 2025637 PMAQI
22nd Jul 2025648 PMAQI
22nd Jul 2025659 PMAQI
22nd Jul 20256510 PMAQI
22nd Jul 20256611 PMAQI
23rd Jul 20257012 AMAQI
23rd Jul 2025661 AMAQI
23rd Jul 2025672 AMAQI
23rd Jul 2025673 AMAQI
23rd Jul 2025684 AMAQI
30°C23/37°C
23rd Jul 2025685 AMAQI
23rd Jul 2025686 AMAQI
23rd Jul 2025687 AMAQI
23rd Jul 2025708 AMAQI
23rd Jul 2025699 AMAQI
23rd Jul 20256810 AMAQI
23rd Jul 20256511 AMAQI
23rd Jul 20256412 PMAQI
23rd Jul 2025621 PMAQI
23rd Jul 2025602 PMAQI
23rd Jul 2025623 PMAQI
23rd Jul 2025604 PMAQI
23rd Jul 2025555 PMAQI
23rd Jul 2025586 PMAQI
23rd Jul 2025587 PMAQI
23rd Jul 2025628 PMAQI
23rd Jul 2025629 PMAQI
23rd Jul 20256310 PMAQI
23rd Jul 20256311 PMAQI
24th Jul 20256412 AMAQI
24th Jul 2025661 AMAQI
24th Jul 2025682 AMAQI
24th Jul 2025683 AMAQI
24th Jul 2025674 AMAQI
30°C25/35°C
24th Jul 2025675 AMAQI
24th Jul 2025676 AMAQI
24th Jul 2025677 AMAQI
24th Jul 2025598 AMAQI
24th Jul 2025589 AMAQI
24th Jul 20256210 AMAQI
24th Jul 20256411 AMAQI
24th Jul 20256612 PMAQI
24th Jul 2025651 PMAQI
24th Jul 2025682 PMAQI
24th Jul 2025633 PMAQI
24th Jul 2025594 PMAQI
24th Jul 2025585 PMAQI
24th Jul 2025606 PMAQI
24th Jul 2025587 PMAQI
24th Jul 2025628 PMAQI
24th Jul 2025629 PMAQI
24th Jul 20256410 PMAQI
24th Jul 20256411 PMAQI
25th Jul 20256412 AMAQI
25th Jul 2025651 AMAQI
25th Jul 2025652 AMAQI
25th Jul 2025653 AMAQI
25th Jul 2025664 AMAQI
29°C25/35°C
25th Jul 2025665 AMAQI
25th Jul 2025656 AMAQI
25th Jul 2025657 AMAQI
25th Jul 2025628 AMAQI
25th Jul 2025589 AMAQI
25th Jul 20255610 AMAQI
25th Jul 20255711 AMAQI
25th Jul 20256612 PMAQI
25th Jul 2025701 PMAQI
25th Jul 2025692 PMAQI
25th Jul 2025683 PMAQI
25th Jul 2025694 PMAQI
25th Jul 2025675 PMAQI
25th Jul 2025616 PMAQI
25th Jul 2025607 PMAQI
25th Jul 2025648 PMAQI
25th Jul 2025709 PMAQI
25th Jul 20256910 PMAQI
25th Jul 20256711 PMAQI
26th Jul 20256912 AMAQI
26th Jul 2025641 AMAQI
26th Jul 2025642 AMAQI
26th Jul 2025643 AMAQI
26th Jul 2025644 AMAQI
30°C26/35°C
26th Jul 2025645 AMAQI
26th Jul 2025656 AMAQI
26th Jul 2025647 AMAQI
26th Jul 2025708 AMAQI
26th Jul 2025729 AMAQI
26th Jul 20256210 AMAQI
26th Jul 20256511 AMAQI
26th Jul 20256312 PMAQI
26th Jul 2025621 PMAQI
26th Jul 2025602 PMAQI
26th Jul 2025583 PMAQI
26th Jul 2025604 PMAQI
26th Jul 2025605 PMAQI
26th Jul 2025606 PMAQI
26th Jul 2025597 PMAQI
26th Jul 2025638 PMAQI
26th Jul 2025639 PMAQI
26th Jul 20256310 PMAQI
26th Jul 20256411 PMAQI
27th Jul 20256312 AMAQI
27th Jul 2025651 AMAQI
27th Jul 2025642 AMAQI
27th Jul 2025643 AMAQI
27th Jul 2025654 AMAQI
32°C27/38°C
27th Jul 2025655 AMAQI
27th Jul 2025656 AMAQI
27th Jul 2025657 AMAQI
27th Jul 2025748 AMAQI
27th Jul 2025689 AMAQI
27th Jul 20256310 AMAQI
27th Jul 20256411 AMAQI
27th Jul 20256312 PMAQI
27th Jul 2025611 PMAQI
27th Jul 2025572 PMAQI
27th Jul 2025603 PMAQI
27th Jul 2025584 PMAQI
27th Jul 2025575 PMAQI
27th Jul 2025566 PMAQI
27th Jul 2025607 PMAQI
27th Jul 2025638 PMAQI
27th Jul 2025629 PMAQI
27th Jul 20256310 PMAQI
27th Jul 20256411 PMAQI
28th Jul 20256412 AMAQI
28th Jul 2025651 AMAQI
28th Jul 2025642 AMAQI
28th Jul 2025643 AMAQI
28th Jul 2025654 AMAQI
30°C27/35°C
28th Jul 2025645 AMAQI
28th Jul 2025646 AMAQI
28th Jul 2025657 AMAQI
28th Jul 2025668 AMAQI
28th Jul 2025669 AMAQI
28th Jul 20256010 AMAQI
28th Jul 20255511 AMAQI
28th Jul 20255612 PMAQI
28th Jul 2025601 PMAQI
28th Jul 2025652 PMAQI
28th Jul 2025643 PMAQI
28th Jul 2025624 PMAQI
28th Jul 2025625 PMAQI
28th Jul 2025626 PMAQI
28th Jul 2025637 PMAQI
28th Jul 2025658 PMAQI
28th Jul 2025649 PMAQI
28th Jul 20256410 PMAQI
28th Jul 20256411 PMAQI
29th Jul 20256212 AMAQI
29th Jul 2025621 AMAQI
29th Jul 2025632 AMAQI
29th Jul 2025643 AMAQI
29th Jul 2025644 AMAQI
29°C24/36°C
29th Jul 2025645 AMAQI
29th Jul 2025656 AMAQI
29th Jul 2025647 AMAQI
29th Jul 2025558 AMAQI
29th Jul 2025509 AMAQI
29th Jul 20255010 AMAQI
29th Jul 20255111 AMAQI
29th Jul 20254912 PMAQI
29th Jul 2025501 PMAQI
29th Jul 2025502 PMAQI
29th Jul 2025503 PMAQI
29th Jul 2025504 PMAQI
29th Jul 2025505 PMAQI
29th Jul 2025486 PMAQI
29th Jul 2025537 PMAQI
29th Jul 2025608 PMAQI
29th Jul 2025599 PMAQI
29th Jul 20255910 PMAQI
29th Jul 20255911 PMAQI
30th Jul 20256012 AMAQI
30th Jul 2025631 AMAQI
30th Jul 2025632 AMAQI
30th Jul 2025633 AMAQI
30th Jul 2025614 AMAQI
27°C24/31°C
30th Jul 2025615 AMAQI
30th Jul 2025626 AMAQI
30th Jul 2025617 AMAQI
30th Jul 2025608 AMAQI
30th Jul 2025589 AMAQI
30th Jul 20255510 AMAQI
30th Jul 20255011 AMAQI
30th Jul 20255212 PMAQI
30th Jul 2025521 PMAQI
30th Jul 2025522 PMAQI
30th Jul 2025523 PMAQI
30th Jul 2025544 PMAQI
30th Jul 2025525 PMAQI
30th Jul 2025536 PMAQI
30th Jul 2025557 PMAQI
30th Jul 2025598 PMAQI
30th Jul 2025609 PMAQI
30th Jul 20255910 PMAQI
30th Jul 20256011 PMAQI
31st Jul 20256112 AMAQI
31st Jul 2025601 AMAQI
31st Jul 2025612 AMAQI
31st Jul 2025613 AMAQI
31st Jul 2025614 AMAQI
28°C23/34°C
31st Jul 2025615 AMAQI
31st Jul 2025616 AMAQI
31st Jul 2025617 AMAQI
31st Jul 2025618 AMAQI
31st Jul 2025619 AMAQI
31st Jul 20256610 AMAQI
31st Jul 20255811 AMAQI
31st Jul 20256012 PMAQI
31st Jul 2025581 PMAQI
31st Jul 2025592 PMAQI
31st Jul 2025613 PMAQI
31st Jul 2025624 PMAQI
31st Jul 2025605 PMAQI
31st Jul 2025586 PMAQI
31st Jul 2025607 PMAQI
31st Jul 2025678 PMAQI
31st Jul 2025699 PMAQI
31st Jul 20256610 PMAQI
31st Jul 20256811 PMAQI
1st Aug 20256612 AMAQI
1st Aug 2025581 AMAQI
1st Aug 2025552 AMAQI
1st Aug 2025593 AMAQI
1st Aug 2025594 AMAQI
27°C22/31°C
1st Aug 2025585 AMAQI
1st Aug 2025586 AMAQI
1st Aug 2025597 AMAQI
1st Aug 2025748 AMAQI
1st Aug 2025699 AMAQI
1st Aug 20256710 AMAQI
1st Aug 20256211 AMAQI
1st Aug 20256112 PMAQI
1st Aug 2025651 PMAQI
1st Aug 2025692 PMAQI
1st Aug 2025683 PMAQI
1st Aug 2025744 PMAQI
1st Aug 2025765 PMAQI
1st Aug 2025716 PMAQI
1st Aug 2025707 PMAQI
1st Aug 2025668 PMAQI
1st Aug 2025699 PMAQI
1st Aug 20256610 PMAQI
1st Aug 20257011 PMAQI
2nd Aug 20256512 AMAQI
2nd Aug 2025591 AMAQI
2nd Aug 2025592 AMAQI
2nd Aug 2025603 AMAQI
2nd Aug 2025624 AMAQI
29°C23/35°C
2nd Aug 2025625 AMAQI
2nd Aug 2025626 AMAQI
2nd Aug 2025627 AMAQI
2nd Aug 2025798 AMAQI
2nd Aug 2025819 AMAQI
2nd Aug 20257110 AMAQI
2nd Aug 20256211 AMAQI
2nd Aug 20255912 PMAQI
2nd Aug 2025631 PMAQI
2nd Aug 2025642 PMAQI
2nd Aug 2025643 PMAQI
2nd Aug 2025634 PMAQI
2nd Aug 2025675 PMAQI
2nd Aug 2025706 PMAQI
2nd Aug 2025637 PMAQI
2nd Aug 2025648 PMAQI
2nd Aug 2025629 PMAQI
2nd Aug 20256410 PMAQI
2nd Aug 20256211 PMAQI
3rd Aug 20256012 AMAQI
3rd Aug 2025601 AMAQI
3rd Aug 2025602 AMAQI
3rd Aug 2025633 AMAQI
3rd Aug 2025624 AMAQI
--°C/°C
5 AM
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 7 PM
63AQI
15 hours / Day
450 hours / Month
Avg. Lowest Time
5 AM - 7 PM
63AQI
15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 PM (Avg. 63), while the lowest AQI was between 5 AM to 7 PM (Avg. 63).
Night time
Avg. Highest Time
12 AM - 11 PM
66AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
66AQI
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. 66), while the lowest AQI was between 12 AM to 11 PM (Avg. 66).
2025 Days Vs Air Quality
Hebei University Of Technology, Langfang, Hebei, China
2025
76%
161
23%
49
1%
3
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
0 DaysModerate
161 DaysPoor
49 DaysUnhealthy
3 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2025, 0% of 214 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
Hebei University Of Technology, Langfang, 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.
1st January 2025
100AQI
100AQI
2nd January 2025
71AQI
71AQI
3rd January 2025
83AQI
83AQI
4th January 2025
105AQI
105AQI
5th January 2025
92AQI
92AQI
6th January 2025
85AQI
85AQI
7th January 2025
73AQI
73AQI
8th January 2025
63AQI
63AQI
9th January 2025
60AQI
60AQI
10th January 2025
59AQI
59AQI
11th January 2025
61AQI
61AQI
12th January 2025
60AQI
60AQI
13th January 2025
81AQI
81AQI
14th January 2025
60AQI
60AQI
15th January 2025
69AQI
69AQI
16th January 2025
62AQI
62AQI
17th January 2025
84AQI
84AQI
18th January 2025
111AQI
111AQI
19th January 2025
84AQI
84AQI
20th January 2025
119AQI
119AQI
21st January 2025
98AQI
98AQI
22nd January 2025
106AQI
106AQI
23rd January 2025
102AQI
102AQI
24th January 2025
127AQI
127AQI
25th January 2025
133AQI
133AQI
26th January 2025
121AQI
121AQI
27th January 2025
96AQI
96AQI
28th January 2025
96AQI
96AQI
29th January 2025
142AQI
142AQI
30th January 2025
107AQI
107AQI
31st January 2025
125AQI
125AQI
1st February 2025
108AQI
108AQI
2nd February 2025
105AQI
105AQI
3rd February 2025
83AQI
83AQI
4th February 2025
77AQI
77AQI
5th February 2025
68AQI
68AQI
6th February 2025
66AQI
66AQI
7th February 2025
57AQI
57AQI
8th February 2025
54AQI
54AQI
9th February 2025
57AQI
57AQI
10th February 2025
99AQI
99AQI
11th February 2025
116AQI
116AQI
12th February 2025
89AQI
89AQI
13th February 2025
112AQI
112AQI
14th February 2025
113AQI
113AQI
15th February 2025
124AQI
124AQI
16th February 2025
91AQI
91AQI
17th February 2025
85AQI
85AQI
18th February 2025
86AQI
86AQI
19th February 2025
78AQI
78AQI
20th February 2025
80AQI
80AQI
21st February 2025
69AQI
69AQI
22nd February 2025
67AQI
67AQI
23rd February 2025
59AQI
59AQI
24th February 2025
71AQI
71AQI
25th February 2025
67AQI
67AQI
26th February 2025
84AQI
84AQI
27th February 2025
122AQI
122AQI
28th February 2025
139AQI
139AQI
1st March 2025
163AQI
163AQI
2nd March 2025
122AQI
122AQI
3rd March 2025
110AQI
110AQI
4th March 2025
107AQI
107AQI
5th March 2025
122AQI
122AQI
6th March 2025
93AQI
93AQI
7th March 2025
117AQI
117AQI
8th March 2025
128AQI
128AQI
9th March 2025
142AQI
142AQI
10th March 2025
154AQI
154AQI
11th March 2025
164AQI
164AQI
12th March 2025
125AQI
125AQI
13th March 2025
147AQI
147AQI
14th March 2025
124AQI
124AQI
15th March 2025
112AQI
112AQI
16th March 2025
92AQI
92AQI
17th March 2025
83AQI
83AQI
18th March 2025
76AQI
76AQI
19th March 2025
75AQI
75AQI
20th March 2025
65AQI
65AQI
21st March 2025
65AQI
65AQI
22nd March 2025
63AQI
63AQI
23rd March 2025
84AQI
84AQI
24th March 2025
67AQI
67AQI
25th March 2025
67AQI
67AQI
26th March 2025
85AQI
85AQI
27th March 2025
66AQI
66AQI
28th March 2025
72AQI
72AQI
29th March 2025
60AQI
60AQI
30th March 2025
69AQI
69AQI
31st March 2025
81AQI
81AQI
1st April 2025
73AQI
73AQI
2nd April 2025
67AQI
67AQI
3rd April 2025
82AQI
82AQI
4th April 2025
104AQI
104AQI
5th April 2025
74AQI
74AQI
6th April 2025
102AQI
102AQI
7th April 2025
87AQI
87AQI
8th April 2025
85AQI
85AQI
9th April 2025
84AQI
84AQI
10th April 2025
99AQI
99AQI
11th April 2025
118AQI
118AQI
12th April 2025
95AQI
95AQI
13th April 2025
92AQI
92AQI
14th April 2025
78AQI
78AQI
15th April 2025
80AQI
80AQI
16th April 2025
109AQI
109AQI
17th April 2025
92AQI
92AQI
18th April 2025
93AQI
93AQI
19th April 2025
89AQI
89AQI
20th April 2025
104AQI
104AQI
21st April 2025
123AQI
123AQI
22nd April 2025
88AQI
88AQI
23rd April 2025
98AQI
98AQI
24th April 2025
71AQI
71AQI
25th April 2025
82AQI
82AQI
26th April 2025
105AQI
105AQI
27th April 2025
78AQI
78AQI
28th April 2025
87AQI
87AQI
29th April 2025
85AQI
85AQI
30th April 2025
82AQI
82AQI
1st May 2025
73AQI
73AQI
2nd May 2025
77AQI
77AQI
3rd May 2025
63AQI
63AQI
4th May 2025
74AQI
74AQI
5th May 2025
84AQI
84AQI
6th May 2025
73AQI
73AQI
7th May 2025
93AQI
93AQI
8th May 2025
105AQI
105AQI
9th May 2025
81AQI
81AQI
10th May 2025
88AQI
88AQI
11th May 2025
90AQI
90AQI
12th May 2025
100AQI
100AQI
13th May 2025
97AQI
97AQI
14th May 2025
83AQI
83AQI
15th May 2025
80AQI
80AQI
16th May 2025
107AQI
107AQI
17th May 2025
76AQI
76AQI
18th May 2025
90AQI
90AQI
19th May 2025
95AQI
95AQI
20th May 2025
121AQI
121AQI
21st May 2025
107AQI
107AQI
22nd May 2025
124AQI
124AQI
23rd May 2025
115AQI
115AQI
24th May 2025
98AQI
98AQI
25th May 2025
98AQI
98AQI
26th May 2025
100AQI
100AQI
27th May 2025
102AQI
102AQI
28th May 2025
104AQI
104AQI
29th May 2025
102AQI
102AQI
30th May 2025
103AQI
103AQI
31st May 2025
106AQI
106AQI
1st June 2025
111AQI
111AQI
2nd June 2025
96AQI
96AQI
3rd June 2025
78AQI
78AQI
4th June 2025
72AQI
72AQI
5th June 2025
76AQI
76AQI
6th June 2025
73AQI
73AQI
7th June 2025
71AQI
71AQI
8th June 2025
71AQI
71AQI
9th June 2025
75AQI
75AQI
10th June 2025
69AQI
69AQI
11th June 2025
75AQI
75AQI
12th June 2025
84AQI
84AQI
13th June 2025
87AQI
87AQI
14th June 2025
87AQI
87AQI
15th June 2025
78AQI
78AQI
16th June 2025
68AQI
68AQI
17th June 2025
72AQI
72AQI
18th June 2025
78AQI
78AQI
19th June 2025
70AQI
70AQI
20th June 2025
66AQI
66AQI
21st June 2025
63AQI
63AQI
22nd June 2025
58AQI
58AQI
23rd June 2025
69AQI
69AQI
24th June 2025
75AQI
75AQI
25th June 2025
71AQI
71AQI
26th June 2025
72AQI
72AQI
27th June 2025
72AQI
72AQI
28th June 2025
76AQI
76AQI
29th June 2025
78AQI
78AQI
30th June 2025
73AQI
73AQI
1st July 2025
70AQI
70AQI
2nd July 2025
71AQI
71AQI
3rd July 2025
66AQI
66AQI
4th July 2025
69AQI
69AQI
5th July 2025
67AQI
67AQI
6th July 2025
62AQI
62AQI
7th July 2025
62AQI
62AQI
8th July 2025
63AQI
63AQI
9th July 2025
65AQI
65AQI
10th July 2025
68AQI
68AQI
11th July 2025
72AQI
72AQI
12th July 2025
72AQI
72AQI
13th July 2025
66AQI
66AQI
14th July 2025
65AQI
65AQI
15th July 2025
67AQI
67AQI
16th July 2025
66AQI
66AQI
17th July 2025
62AQI
62AQI
18th July 2025
65AQI
65AQI
19th July 2025
64AQI
64AQI
20th July 2025
62AQI
62AQI
21st July 2025
63AQI
63AQI
22nd July 2025
66AQI
66AQI
23rd July 2025
64AQI
64AQI
24th July 2025
64AQI
64AQI
25th July 2025
65AQI
65AQI
26th July 2025
63AQI
63AQI
27th July 2025
63AQI
63AQI
28th July 2025
63AQI
63AQI
29th July 2025
57AQI
57AQI
30th July 2025
58AQI
58AQI
31st July 2025
62AQI
62AQI
1st August 2025
64AQI
64AQI
91AQI
87AQI
100AQI
90AQI
94AQI
75AQI
65AQI
64AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202586AQI
20
11
20
8
17
11
3
23
7
20
11
29
1
31
1
161
49
3
Highest AQI recorded in
March100AQI
Lowest AQI recorded in
August64AQI
202486AQI
3
6
4
8
2
1
1
2
1
2
1
4
3
12
30
2
29
12
19
8
14
7
3
9
9
9
1
1
13
9
7
30
1
32
167
36
27
1
Highest AQI recorded in
March125AQI
Lowest AQI recorded in
August56AQI
2023111AQI
5
11
7
5
7
5
5
9
2
5
2
5
1
2
1
5
9
7
9
1
19
31
21
28
4
Highest AQI recorded in
March134AQI
Lowest AQI recorded in
November43AQI
202296AQI
4
10
8
9
4
10
3
4
5
12
11
3
2
7
7
1
18
13
2
15
12
1
2
14
5
1
1
4
13
9
2
10
7
7
7
6
9
6
9
10
13
7
1
49
129
89
36
1
Highest AQI recorded in
January113AQI
Lowest AQI recorded in
December77AQI
202195AQI
1
13
11
6
1
10
8
7
2
1
6
10
12
2
2
14
9
2
16
8
1
4
19
7
11
20
6
20
5
5
18
5
1
10
9
8
2
2
8
7
9
5
1
7
11
8
5
58
163
88
38
6
2
Highest AQI recorded in
March154AQI
Lowest AQI recorded in
July49AQI
202094AQI
2
1
3
4
1
5
9
2
2
18
8
14
16
1
2
13
16
4
18
5
1
4
11
9
7
6
12
6
5
1
4
12
10
5
29
112
76
19
1
Highest AQI recorded in
July108AQI
Lowest AQI recorded in
May69AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
111AQILeast Polluted Year Recorded
2024(Avg.)
86AQIHebei University Of Technology's annual 2025 AQI (86) shows an average percentage change of -10.1% (improved AQI) compared to previous years: 2020 (94), 2021 (95), 2022 (96), 2023 (111), 2024 (86).
