Hejian, 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
Hejian, Hebei, China
2021
2022
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2021
123AQILowest AQI recorded on
3rd Aug 2022
46AQISame 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
Hejian, 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
8AM2nd Aug
70AQI
Avg. Lowest Time
2PM2nd Aug
57AQI
In the last 24 hours,
Hejian's AQI reached its highest point of 70 at 8 AM during the Night, while the lowest point, 57, was recorded at 2 PM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hejian, 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 2025625 AMAQI
4th Jul 2025626 AMAQI
4th Jul 2025627 AMAQI
4th Jul 2025628 AMAQI
4th Jul 2025689 AMAQI
4th Jul 20256910 AMAQI
4th Jul 20256311 AMAQI
4th Jul 20256512 PMAQI
4th Jul 2025641 PMAQI
4th Jul 2025672 PMAQI
4th Jul 2025643 PMAQI
4th Jul 2025614 PMAQI
4th Jul 2025625 PMAQI
4th Jul 2025616 PMAQI
4th Jul 2025647 PMAQI
4th Jul 2025638 PMAQI
4th Jul 2025659 PMAQI
4th Jul 20256510 PMAQI
4th Jul 20256611 PMAQI
5th Jul 20256512 AMAQI
5th Jul 2025621 AMAQI
5th Jul 2025622 AMAQI
5th Jul 2025633 AMAQI
5th Jul 2025644 AMAQI
31°C25/37°C
5th Jul 2025645 AMAQI
5th Jul 2025646 AMAQI
5th Jul 2025647 AMAQI
5th Jul 2025528 AMAQI
5th Jul 2025519 AMAQI
5th Jul 20255410 AMAQI
5th Jul 20255611 AMAQI
5th Jul 20255812 PMAQI
5th Jul 2025561 PMAQI
5th Jul 2025572 PMAQI
5th Jul 2025553 PMAQI
5th Jul 2025544 PMAQI
5th Jul 2025545 PMAQI
5th Jul 2025546 PMAQI
5th Jul 2025567 PMAQI
5th Jul 2025618 PMAQI
5th Jul 2025609 PMAQI
5th Jul 20256010 PMAQI
5th Jul 20256011 PMAQI
6th Jul 20256012 AMAQI
6th Jul 2025631 AMAQI
6th Jul 2025632 AMAQI
6th Jul 2025633 AMAQI
6th Jul 2025624 AMAQI
32°C28/37°C
6th Jul 2025625 AMAQI
6th Jul 2025626 AMAQI
6th Jul 2025617 AMAQI
6th Jul 2025508 AMAQI
6th Jul 2025399 AMAQI
6th Jul 20254610 AMAQI
6th Jul 20254711 AMAQI
6th Jul 20255212 PMAQI
6th Jul 2025531 PMAQI
6th Jul 2025502 PMAQI
6th Jul 2025533 PMAQI
6th Jul 2025504 PMAQI
6th Jul 2025505 PMAQI
6th Jul 2025526 PMAQI
6th Jul 2025547 PMAQI
6th Jul 2025628 PMAQI
6th Jul 2025609 PMAQI
6th Jul 20256110 PMAQI
6th Jul 20256011 PMAQI
7th Jul 20256012 AMAQI
7th Jul 2025621 AMAQI
7th Jul 2025622 AMAQI
7th Jul 2025613 AMAQI
7th Jul 2025604 AMAQI
31°C27/35°C
7th Jul 2025615 AMAQI
7th Jul 2025606 AMAQI
7th Jul 2025607 AMAQI
7th Jul 2025578 AMAQI
7th Jul 2025569 AMAQI
7th Jul 20255310 AMAQI
7th Jul 20255611 AMAQI
7th Jul 20255812 PMAQI
7th Jul 2025581 PMAQI
7th Jul 2025582 PMAQI
7th Jul 2025593 PMAQI
7th Jul 2025614 PMAQI
7th Jul 2025595 PMAQI
7th Jul 2025666 PMAQI
7th Jul 2025637 PMAQI
7th Jul 2025608 PMAQI
7th Jul 2025619 PMAQI
7th Jul 20256210 PMAQI
7th Jul 20256211 PMAQI
8th Jul 20256112 AMAQI
8th Jul 2025611 AMAQI
8th Jul 2025612 AMAQI
8th Jul 2025613 AMAQI
8th Jul 2025614 AMAQI
30°C25/36°C
8th Jul 2025615 AMAQI
8th Jul 2025616 AMAQI
8th Jul 2025617 AMAQI
8th Jul 2025658 AMAQI
8th Jul 2025649 AMAQI
8th Jul 20256410 AMAQI
8th Jul 20256311 AMAQI
8th Jul 20256112 PMAQI
8th Jul 2025601 PMAQI
8th Jul 2025612 PMAQI
8th Jul 2025623 PMAQI
8th Jul 2025614 PMAQI
8th Jul 2025615 PMAQI
8th Jul 2025626 PMAQI
8th Jul 2025607 PMAQI
8th Jul 2025618 PMAQI
8th Jul 2025629 PMAQI
8th Jul 20256410 PMAQI
8th Jul 20256411 PMAQI
9th Jul 20256412 AMAQI
9th Jul 2025621 AMAQI
9th Jul 2025612 AMAQI
9th Jul 2025613 AMAQI
9th Jul 2025604 AMAQI
29°C24/35°C
9th Jul 2025615 AMAQI
9th Jul 2025616 AMAQI
9th Jul 2025617 AMAQI
9th Jul 2025738 AMAQI
9th Jul 2025809 AMAQI
9th Jul 20258410 AMAQI
9th Jul 20258111 AMAQI
9th Jul 20257712 PMAQI
9th Jul 2025821 PMAQI
9th Jul 2025732 PMAQI
9th Jul 2025683 PMAQI
9th Jul 2025674 PMAQI
9th Jul 2025615 PMAQI
9th Jul 2025666 PMAQI
9th Jul 2025677 PMAQI
9th Jul 2025658 PMAQI
9th Jul 2025659 PMAQI
9th Jul 20256610 PMAQI
9th Jul 20256711 PMAQI
10th Jul 20256612 AMAQI
10th Jul 2025631 AMAQI
10th Jul 2025622 AMAQI
10th Jul 2025633 AMAQI
10th Jul 2025644 AMAQI
30°C26/35°C
10th Jul 2025645 AMAQI
10th Jul 2025656 AMAQI
10th Jul 2025647 AMAQI
10th Jul 2025788 AMAQI
10th Jul 2025989 AMAQI
10th Jul 202511810 AMAQI
10th Jul 202510811 AMAQI
10th Jul 20259512 PMAQI
10th Jul 2025951 PMAQI
10th Jul 2025922 PMAQI
10th Jul 2025913 PMAQI
10th Jul 2025914 PMAQI
10th Jul 2025915 PMAQI
10th Jul 2025906 PMAQI
10th Jul 2025777 PMAQI
10th Jul 2025708 PMAQI
10th Jul 2025699 PMAQI
10th Jul 20256910 PMAQI
10th Jul 20257211 PMAQI
11th Jul 20257012 AMAQI
11th Jul 2025641 AMAQI
11th Jul 2025642 AMAQI
11th Jul 2025653 AMAQI
11th Jul 2025664 AMAQI
31°C26/37°C
11th Jul 2025665 AMAQI
11th Jul 2025666 AMAQI
11th Jul 2025667 AMAQI
11th Jul 20251028 AMAQI
11th Jul 20251149 AMAQI
11th Jul 202511610 AMAQI
11th Jul 202511111 AMAQI
11th Jul 20259212 PMAQI
11th Jul 2025921 PMAQI
11th Jul 2025922 PMAQI
11th Jul 2025833 PMAQI
11th Jul 2025794 PMAQI
11th Jul 2025775 PMAQI
11th Jul 2025776 PMAQI
11th Jul 2025747 PMAQI
11th Jul 2025718 PMAQI
11th Jul 2025719 PMAQI
11th Jul 20257210 PMAQI
11th Jul 20257311 PMAQI
12th Jul 20257112 AMAQI
12th Jul 2025681 AMAQI
12th Jul 2025662 AMAQI
12th Jul 2025673 AMAQI
12th Jul 2025694 AMAQI
31°C27/36°C
12th Jul 2025695 AMAQI
12th Jul 2025696 AMAQI
12th Jul 2025697 AMAQI
12th Jul 2025918 AMAQI
12th Jul 2025989 AMAQI
12th Jul 202511010 AMAQI
12th Jul 20259611 AMAQI
12th Jul 20258412 PMAQI
12th Jul 2025841 PMAQI
12th Jul 2025792 PMAQI
12th Jul 2025793 PMAQI
12th Jul 2025804 PMAQI
12th Jul 2025795 PMAQI
12th Jul 2025786 PMAQI
12th Jul 2025777 PMAQI
12th Jul 2025718 PMAQI
12th Jul 2025729 PMAQI
12th Jul 20257310 PMAQI
12th Jul 20257211 PMAQI
13th Jul 20257312 AMAQI
13th Jul 2025701 AMAQI
13th Jul 2025692 AMAQI
13th Jul 2025703 AMAQI
13th Jul 2025714 AMAQI
33°C27/38°C
13th Jul 2025715 AMAQI
13th Jul 2025716 AMAQI
13th Jul 2025717 AMAQI
13th Jul 2025768 AMAQI
13th Jul 2025769 AMAQI
13th Jul 20257210 AMAQI
13th Jul 20256311 AMAQI
13th Jul 20256712 PMAQI
13th Jul 2025681 PMAQI
13th Jul 2025722 PMAQI
13th Jul 2025693 PMAQI
13th Jul 2025744 PMAQI
13th Jul 2025675 PMAQI
13th Jul 2025716 PMAQI
13th Jul 2025657 PMAQI
13th Jul 2025678 PMAQI
13th Jul 2025689 PMAQI
13th Jul 20256810 PMAQI
13th Jul 20256911 PMAQI
14th Jul 20256912 AMAQI
14th Jul 2025701 AMAQI
14th Jul 2025702 AMAQI
14th Jul 2025703 AMAQI
14th Jul 2025694 AMAQI
32°C26/38°C
14th Jul 2025705 AMAQI
14th Jul 2025716 AMAQI
14th Jul 2025707 AMAQI
14th Jul 2025618 AMAQI
14th Jul 2025589 AMAQI
14th Jul 20256110 AMAQI
14th Jul 20256311 AMAQI
14th Jul 20256212 PMAQI
14th Jul 2025571 PMAQI
14th Jul 2025582 PMAQI
14th Jul 2025583 PMAQI
14th Jul 2025584 PMAQI
14th Jul 2025585 PMAQI
14th Jul 2025606 PMAQI
14th Jul 2025637 PMAQI
14th Jul 2025678 PMAQI
14th Jul 2025669 PMAQI
14th Jul 20256710 PMAQI
14th Jul 20256711 PMAQI
15th Jul 20256712 AMAQI
15th Jul 2025691 AMAQI
15th Jul 2025702 AMAQI
15th Jul 2025693 AMAQI
15th Jul 2025684 AMAQI
32°C27/37°C
15th Jul 2025685 AMAQI
15th Jul 2025686 AMAQI
15th Jul 2025697 AMAQI
15th Jul 2025678 AMAQI
15th Jul 2025659 AMAQI
15th Jul 20257510 AMAQI
15th Jul 20256811 AMAQI
15th Jul 20257012 PMAQI
15th Jul 2025731 PMAQI
15th Jul 2025722 PMAQI
15th Jul 2025743 PMAQI
15th Jul 2025824 PMAQI
15th Jul 2025775 PMAQI
15th Jul 2025806 PMAQI
15th Jul 2025777 PMAQI
15th Jul 2025698 PMAQI
15th Jul 2025729 PMAQI
15th Jul 20257010 PMAQI
15th Jul 20257011 PMAQI
16th Jul 20257012 AMAQI
16th Jul 2025671 AMAQI
16th Jul 2025682 AMAQI
16th Jul 2025683 AMAQI
16th Jul 2025684 AMAQI
31°C26/37°C
16th Jul 2025685 AMAQI
16th Jul 2025686 AMAQI
16th Jul 2025687 AMAQI
16th Jul 2025838 AMAQI
16th Jul 2025899 AMAQI
16th Jul 20258110 AMAQI
16th Jul 20257611 AMAQI
16th Jul 20257112 PMAQI
16th Jul 2025711 PMAQI
16th Jul 2025652 PMAQI
16th Jul 2025603 PMAQI
16th Jul 2025594 PMAQI
16th Jul 2025605 PMAQI
16th Jul 2025586 PMAQI
16th Jul 2025647 PMAQI
16th Jul 2025668 PMAQI
16th Jul 2025679 PMAQI
16th Jul 20256810 PMAQI
16th Jul 20256911 PMAQI
17th Jul 20256912 AMAQI
17th Jul 2025681 AMAQI
17th Jul 2025682 AMAQI
17th Jul 2025693 AMAQI
17th Jul 2025704 AMAQI
28°C22/35°C
17th Jul 2025695 AMAQI
17th Jul 2025696 AMAQI
17th Jul 2025707 AMAQI
17th Jul 2025868 AMAQI
17th Jul 2025829 AMAQI
17th Jul 20257110 AMAQI
17th Jul 20256411 AMAQI
17th Jul 20256412 PMAQI
17th Jul 2025571 PMAQI
17th Jul 2025542 PMAQI
17th Jul 2025553 PMAQI
17th Jul 2025554 PMAQI
17th Jul 2025565 PMAQI
17th Jul 2025546 PMAQI
17th Jul 2025587 PMAQI
17th Jul 2025658 PMAQI
17th Jul 2025669 PMAQI
17th Jul 20256610 PMAQI
17th Jul 20256511 PMAQI
18th Jul 20256712 AMAQI
18th Jul 2025681 AMAQI
18th Jul 2025682 AMAQI
18th Jul 2025673 AMAQI
18th Jul 2025684 AMAQI
31°C26/36°C
18th Jul 2025685 AMAQI
18th Jul 2025686 AMAQI
18th Jul 2025687 AMAQI
18th Jul 2025668 AMAQI
18th Jul 2025669 AMAQI
18th Jul 20255710 AMAQI
18th Jul 20256111 AMAQI
18th Jul 20256412 PMAQI
18th Jul 2025581 PMAQI
18th Jul 2025572 PMAQI
18th Jul 2025593 PMAQI
18th Jul 2025584 PMAQI
18th Jul 2025595 PMAQI
18th Jul 2025616 PMAQI
18th Jul 2025607 PMAQI
18th Jul 2025668 PMAQI
18th Jul 2025669 PMAQI
18th Jul 20256610 PMAQI
18th Jul 20256611 PMAQI
19th Jul 20256712 AMAQI
19th Jul 2025671 AMAQI
19th Jul 2025672 AMAQI
19th Jul 2025673 AMAQI
19th Jul 2025674 AMAQI
31°C26/37°C
19th Jul 2025675 AMAQI
19th Jul 2025676 AMAQI
19th Jul 2025677 AMAQI
19th Jul 2025698 AMAQI
19th Jul 2025749 AMAQI
19th Jul 20256810 AMAQI
19th Jul 20256711 AMAQI
19th Jul 20256912 PMAQI
19th Jul 2025661 PMAQI
19th Jul 2025662 PMAQI
19th Jul 2025663 PMAQI
19th Jul 2025644 PMAQI
19th Jul 2025635 PMAQI
19th Jul 2025646 PMAQI
19th Jul 2025637 PMAQI
19th Jul 2025708 PMAQI
19th Jul 2025739 PMAQI
19th Jul 20257210 PMAQI
19th Jul 20257311 PMAQI
20th Jul 20257412 AMAQI
20th Jul 2025671 AMAQI
20th Jul 2025662 AMAQI
20th Jul 2025673 AMAQI
20th Jul 2025674 AMAQI
31°C26/36°C
20th Jul 2025675 AMAQI
20th Jul 2025676 AMAQI
20th Jul 2025677 AMAQI
20th Jul 2025768 AMAQI
20th Jul 2025909 AMAQI
20th Jul 20258110 AMAQI
20th Jul 20258411 AMAQI
20th Jul 20258412 PMAQI
20th Jul 2025831 PMAQI
20th Jul 2025662 PMAQI
20th Jul 2025603 PMAQI
20th Jul 2025604 PMAQI
20th Jul 2025575 PMAQI
20th Jul 2025566 PMAQI
20th Jul 2025627 PMAQI
20th Jul 2025728 PMAQI
20th Jul 2025719 PMAQI
20th Jul 20257410 PMAQI
20th Jul 20257411 PMAQI
21st Jul 20257212 AMAQI
21st Jul 2025681 AMAQI
21st Jul 2025682 AMAQI
21st Jul 2025683 AMAQI
21st Jul 2025694 AMAQI
25°C23/27°C
21st Jul 2025695 AMAQI
21st Jul 2025696 AMAQI
21st Jul 2025697 AMAQI
21st Jul 2025968 AMAQI
21st Jul 20251009 AMAQI
21st Jul 20258310 AMAQI
21st Jul 20257811 AMAQI
21st Jul 20257612 PMAQI
21st Jul 2025741 PMAQI
21st Jul 2025672 PMAQI
21st Jul 2025593 PMAQI
21st Jul 2025594 PMAQI
21st Jul 2025585 PMAQI
21st Jul 2025586 PMAQI
21st Jul 2025707 PMAQI
21st Jul 2025708 PMAQI
21st Jul 2025699 PMAQI
21st Jul 20256810 PMAQI
21st Jul 20257211 PMAQI
22nd Jul 20257112 AMAQI
22nd Jul 2025681 AMAQI
22nd Jul 2025692 AMAQI
22nd Jul 2025703 AMAQI
22nd Jul 2025714 AMAQI
29°C23/34°C
22nd Jul 2025705 AMAQI
22nd Jul 2025706 AMAQI
22nd Jul 2025707 AMAQI
22nd Jul 2025748 AMAQI
22nd Jul 2025699 AMAQI
22nd Jul 20256210 AMAQI
22nd Jul 20255311 AMAQI
22nd Jul 20255812 PMAQI
22nd Jul 2025551 PMAQI
22nd Jul 2025542 PMAQI
22nd Jul 2025583 PMAQI
22nd Jul 2025574 PMAQI
22nd Jul 2025565 PMAQI
22nd Jul 2025596 PMAQI
22nd Jul 2025597 PMAQI
22nd Jul 2025648 PMAQI
22nd Jul 2025669 PMAQI
22nd Jul 20256710 PMAQI
22nd Jul 20256711 PMAQI
23rd Jul 20256912 AMAQI
23rd Jul 2025671 AMAQI
23rd Jul 2025692 AMAQI
23rd Jul 2025693 AMAQI
23rd Jul 2025674 AMAQI
30°C24/36°C
23rd Jul 2025685 AMAQI
23rd Jul 2025676 AMAQI
23rd Jul 2025677 AMAQI
23rd Jul 2025618 AMAQI
23rd Jul 2025629 AMAQI
23rd Jul 20256310 AMAQI
23rd Jul 20256211 AMAQI
23rd Jul 20256012 PMAQI
23rd Jul 2025591 PMAQI
23rd Jul 2025522 PMAQI
23rd Jul 2025513 PMAQI
23rd Jul 2025544 PMAQI
23rd Jul 2025515 PMAQI
23rd Jul 2025546 PMAQI
23rd Jul 2025557 PMAQI
23rd Jul 2025628 PMAQI
23rd Jul 2025619 PMAQI
23rd Jul 20256110 PMAQI
23rd Jul 20256111 PMAQI
24th Jul 20256312 AMAQI
24th Jul 2025651 AMAQI
24th Jul 2025672 AMAQI
24th Jul 2025673 AMAQI
24th Jul 2025674 AMAQI
30°C26/34°C
24th Jul 2025675 AMAQI
24th Jul 2025676 AMAQI
24th Jul 2025677 AMAQI
24th Jul 2025628 AMAQI
24th Jul 2025609 AMAQI
24th Jul 20256310 AMAQI
24th Jul 20256711 AMAQI
24th Jul 20256912 PMAQI
24th Jul 2025661 PMAQI
24th Jul 2025642 PMAQI
24th Jul 2025613 PMAQI
24th Jul 2025604 PMAQI
24th Jul 2025685 PMAQI
24th Jul 2025626 PMAQI
24th Jul 2025597 PMAQI
24th Jul 2025638 PMAQI
24th Jul 2025639 PMAQI
24th Jul 20256310 PMAQI
24th Jul 20256411 PMAQI
25th Jul 20256312 AMAQI
25th Jul 2025631 AMAQI
25th Jul 2025642 AMAQI
25th Jul 2025653 AMAQI
25th Jul 2025654 AMAQI
30°C25/35°C
25th Jul 2025655 AMAQI
25th Jul 2025646 AMAQI
25th Jul 2025657 AMAQI
25th Jul 2025658 AMAQI
25th Jul 2025659 AMAQI
25th Jul 20256710 AMAQI
25th Jul 20256911 AMAQI
25th Jul 20257212 PMAQI
25th Jul 2025711 PMAQI
25th Jul 2025692 PMAQI
25th Jul 2025713 PMAQI
25th Jul 2025714 PMAQI
25th Jul 2025665 PMAQI
25th Jul 2025686 PMAQI
25th Jul 2025707 PMAQI
25th Jul 2025688 PMAQI
25th Jul 2025679 PMAQI
25th Jul 20256810 PMAQI
25th Jul 20256811 PMAQI
26th Jul 20256712 AMAQI
26th Jul 2025631 AMAQI
26th Jul 2025642 AMAQI
26th Jul 2025653 AMAQI
26th Jul 2025644 AMAQI
30°C25/36°C
26th Jul 2025645 AMAQI
26th Jul 2025656 AMAQI
26th Jul 2025647 AMAQI
26th Jul 2025788 AMAQI
26th Jul 2025829 AMAQI
26th Jul 20258010 AMAQI
26th Jul 20257511 AMAQI
26th Jul 20256912 PMAQI
26th Jul 2025661 PMAQI
26th Jul 2025612 PMAQI
26th Jul 2025603 PMAQI
26th Jul 2025584 PMAQI
26th Jul 2025605 PMAQI
26th Jul 2025606 PMAQI
26th Jul 2025627 PMAQI
26th Jul 2025648 PMAQI
26th Jul 2025649 PMAQI
26th Jul 20256310 PMAQI
26th Jul 20256411 PMAQI
27th Jul 20256312 AMAQI
27th Jul 2025641 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 2025698 AMAQI
27th Jul 2025669 AMAQI
27th Jul 20256510 AMAQI
27th Jul 20256211 AMAQI
27th Jul 20255512 PMAQI
27th Jul 2025621 PMAQI
27th Jul 2025632 PMAQI
27th Jul 2025583 PMAQI
27th Jul 2025584 PMAQI
27th Jul 2025585 PMAQI
27th Jul 2025516 PMAQI
27th Jul 2025557 PMAQI
27th Jul 2025608 PMAQI
27th Jul 2025609 PMAQI
27th Jul 20256310 PMAQI
27th Jul 20256411 PMAQI
28th Jul 20256512 AMAQI
28th Jul 2025641 AMAQI
28th Jul 2025642 AMAQI
28th Jul 2025653 AMAQI
28th Jul 2025644 AMAQI
32°C27/38°C
28th Jul 2025645 AMAQI
28th Jul 2025646 AMAQI
28th Jul 2025647 AMAQI
28th Jul 2025738 AMAQI
28th Jul 2025789 AMAQI
28th Jul 20257310 AMAQI
28th Jul 20257211 AMAQI
28th Jul 20256612 PMAQI
28th Jul 2025651 PMAQI
28th Jul 2025692 PMAQI
28th Jul 2025693 PMAQI
28th Jul 2025634 PMAQI
28th Jul 2025645 PMAQI
28th Jul 2025646 PMAQI
28th Jul 2025677 PMAQI
28th Jul 2025658 PMAQI
28th Jul 2025649 PMAQI
28th Jul 20256610 PMAQI
28th Jul 20256811 PMAQI
29th Jul 20256712 AMAQI
29th Jul 2025631 AMAQI
29th Jul 2025632 AMAQI
29th Jul 2025643 AMAQI
29th Jul 2025654 AMAQI
33°C27/39°C
29th Jul 2025655 AMAQI
29th Jul 2025666 AMAQI
29th Jul 2025657 AMAQI
29th Jul 2025548 AMAQI
29th Jul 2025379 AMAQI
29th Jul 20253810 AMAQI
29th Jul 20254811 AMAQI
29th Jul 20256212 PMAQI
29th Jul 2025651 PMAQI
29th Jul 2025602 PMAQI
29th Jul 2025493 PMAQI
29th Jul 2025404 PMAQI
29th Jul 2025425 PMAQI
29th Jul 2025456 PMAQI
29th Jul 2025467 PMAQI
29th Jul 2025608 PMAQI
29th Jul 2025589 PMAQI
29th Jul 20255810 PMAQI
29th Jul 20255911 PMAQI
30th Jul 20256012 AMAQI
30th Jul 2025631 AMAQI
30th Jul 2025642 AMAQI
30th Jul 2025633 AMAQI
30th Jul 2025634 AMAQI
30°C26/36°C
30th Jul 2025635 AMAQI
30th Jul 2025636 AMAQI
30th Jul 2025637 AMAQI
30th Jul 2025688 AMAQI
30th Jul 2025699 AMAQI
30th Jul 20256410 AMAQI
30th Jul 20256411 AMAQI
30th Jul 20256212 PMAQI
30th Jul 2025591 PMAQI
30th Jul 2025612 PMAQI
30th Jul 2025583 PMAQI
30th Jul 2025594 PMAQI
30th Jul 2025595 PMAQI
30th Jul 2025566 PMAQI
30th Jul 2025567 PMAQI
30th Jul 2025608 PMAQI
30th Jul 2025619 PMAQI
30th Jul 20256110 PMAQI
30th Jul 20256011 PMAQI
31st Jul 20255812 AMAQI
31st Jul 2025611 AMAQI
31st Jul 2025622 AMAQI
31st Jul 2025613 AMAQI
31st Jul 2025614 AMAQI
29°C24/35°C
31st Jul 2025615 AMAQI
31st Jul 2025616 AMAQI
31st Jul 2025617 AMAQI
31st Jul 2025618 AMAQI
31st Jul 2025619 AMAQI
31st Jul 20255710 AMAQI
31st Jul 20255611 AMAQI
31st Jul 20255812 PMAQI
31st Jul 2025571 PMAQI
31st Jul 2025532 PMAQI
31st Jul 2025543 PMAQI
31st Jul 2025534 PMAQI
31st Jul 2025545 PMAQI
31st Jul 2025566 PMAQI
31st Jul 2025597 PMAQI
31st Jul 2025628 PMAQI
31st Jul 2025639 PMAQI
31st Jul 20256110 PMAQI
31st Jul 20256211 PMAQI
1st Aug 20256412 AMAQI
1st Aug 2025601 AMAQI
1st Aug 2025592 AMAQI
1st Aug 2025603 AMAQI
1st Aug 2025594 AMAQI
28°C23/33°C
1st Aug 2025605 AMAQI
1st Aug 2025596 AMAQI
1st Aug 2025597 AMAQI
1st Aug 2025778 AMAQI
1st Aug 2025709 AMAQI
1st Aug 20257210 AMAQI
1st Aug 20256711 AMAQI
1st Aug 20255812 PMAQI
1st Aug 2025651 PMAQI
1st Aug 2025672 PMAQI
1st Aug 2025663 PMAQI
1st Aug 2025714 PMAQI
1st Aug 2025705 PMAQI
1st Aug 2025706 PMAQI
1st Aug 2025667 PMAQI
1st Aug 2025658 PMAQI
1st Aug 2025649 PMAQI
1st Aug 20256210 PMAQI
1st Aug 20256211 PMAQI
2nd Aug 20256212 AMAQI
2nd Aug 2025591 AMAQI
2nd Aug 2025592 AMAQI
2nd Aug 2025613 AMAQI
2nd Aug 2025624 AMAQI
30°C24/36°C
2nd Aug 2025625 AMAQI
2nd Aug 2025626 AMAQI
2nd Aug 2025627 AMAQI
2nd Aug 2025708 AMAQI
2nd Aug 2025699 AMAQI
2nd Aug 20256910 AMAQI
2nd Aug 20256611 AMAQI
2nd Aug 20255912 PMAQI
2nd Aug 2025631 PMAQI
2nd Aug 2025572 PMAQI
2nd Aug 2025613 PMAQI
2nd Aug 2025654 PMAQI
2nd Aug 2025635 PMAQI
2nd Aug 2025676 PMAQI
2nd Aug 2025667 PMAQI
2nd Aug 2025648 PMAQI
2nd Aug 2025639 PMAQI
2nd Aug 20256410 PMAQI
2nd Aug 20256211 PMAQI
3rd Aug 20256212 AMAQI
3rd Aug 2025591 AMAQI
3rd Aug 2025592 AMAQI
3rd Aug 2025623 AMAQI
3rd Aug 2025624 AMAQI
--°C/°C
5 AM
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
8 AM - 7 PM
66AQI
12 hours / Day
360 hours / Month
Avg. Lowest Time
5 AM - 7 PM
66AQI
15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 7 PM (Avg. 66), while the lowest AQI was between 5 AM to 7 PM (Avg. 66).
Night time
Avg. Highest Time
12 AM - 11 PM
65AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
65AQI
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. 65), while the lowest AQI was between 12 AM to 11 PM (Avg. 65).
2025 Days Vs Air Quality
Hejian, Hebei, China
2025
0.4%
1
67%
143
29%
61
3%
7
0.4%
1
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
1 DaysModerate
143 DaysPoor
61 DaysUnhealthy
7 DaysSevere
1 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 0.47%
Health Risk Level:
Extreme
In 2025, 0.47% 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
Hejian, 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
143AQI
143AQI
2nd January 2025
94AQI
94AQI
3rd January 2025
126AQI
126AQI
4th January 2025
143AQI
143AQI
5th January 2025
128AQI
128AQI
6th January 2025
85AQI
85AQI
7th January 2025
81AQI
81AQI
8th January 2025
60AQI
60AQI
9th January 2025
65AQI
65AQI
10th January 2025
88AQI
88AQI
11th January 2025
118AQI
118AQI
12th January 2025
92AQI
92AQI
13th January 2025
138AQI
138AQI
14th January 2025
84AQI
84AQI
15th January 2025
92AQI
92AQI
16th January 2025
89AQI
89AQI
17th January 2025
116AQI
116AQI
18th January 2025
145AQI
145AQI
19th January 2025
114AQI
114AQI
20th January 2025
151AQI
151AQI
21st January 2025
141AQI
141AQI
22nd January 2025
108AQI
108AQI
23rd January 2025
130AQI
130AQI
24th January 2025
138AQI
138AQI
25th January 2025
148AQI
148AQI
26th January 2025
126AQI
126AQI
27th January 2025
83AQI
83AQI
28th January 2025
108AQI
108AQI
29th January 2025
204AQI
204AQI
30th January 2025
118AQI
118AQI
31st January 2025
149AQI
149AQI
1st February 2025
128AQI
128AQI
2nd February 2025
145AQI
145AQI
3rd February 2025
79AQI
79AQI
4th February 2025
81AQI
81AQI
5th February 2025
63AQI
63AQI
6th February 2025
94AQI
94AQI
7th February 2025
49AQI
49AQI
8th February 2025
60AQI
60AQI
9th February 2025
86AQI
86AQI
10th February 2025
124AQI
124AQI
11th February 2025
144AQI
144AQI
12th February 2025
95AQI
95AQI
13th February 2025
132AQI
132AQI
14th February 2025
130AQI
130AQI
15th February 2025
142AQI
142AQI
16th February 2025
84AQI
84AQI
17th February 2025
82AQI
82AQI
18th February 2025
89AQI
89AQI
19th February 2025
93AQI
93AQI
20th February 2025
105AQI
105AQI
21st February 2025
95AQI
95AQI
22nd February 2025
104AQI
104AQI
23rd February 2025
65AQI
65AQI
24th February 2025
95AQI
95AQI
25th February 2025
97AQI
97AQI
26th February 2025
130AQI
130AQI
27th February 2025
149AQI
149AQI
28th February 2025
170AQI
170AQI
1st March 2025
186AQI
186AQI
2nd March 2025
130AQI
130AQI
3rd March 2025
101AQI
101AQI
4th March 2025
96AQI
96AQI
5th March 2025
129AQI
129AQI
6th March 2025
83AQI
83AQI
7th March 2025
145AQI
145AQI
8th March 2025
140AQI
140AQI
9th March 2025
159AQI
159AQI
10th March 2025
164AQI
164AQI
11th March 2025
172AQI
172AQI
12th March 2025
140AQI
140AQI
13th March 2025
157AQI
157AQI
14th March 2025
121AQI
121AQI
15th March 2025
103AQI
103AQI
16th March 2025
76AQI
76AQI
17th March 2025
75AQI
75AQI
18th March 2025
64AQI
64AQI
19th March 2025
77AQI
77AQI
20th March 2025
60AQI
60AQI
21st March 2025
67AQI
67AQI
22nd March 2025
70AQI
70AQI
23rd March 2025
114AQI
114AQI
24th March 2025
90AQI
90AQI
25th March 2025
87AQI
87AQI
26th March 2025
108AQI
108AQI
27th March 2025
86AQI
86AQI
28th March 2025
89AQI
89AQI
29th March 2025
66AQI
66AQI
30th March 2025
85AQI
85AQI
31st March 2025
94AQI
94AQI
1st April 2025
89AQI
89AQI
2nd April 2025
70AQI
70AQI
3rd April 2025
93AQI
93AQI
4th April 2025
117AQI
117AQI
5th April 2025
69AQI
69AQI
6th April 2025
111AQI
111AQI
7th April 2025
115AQI
115AQI
8th April 2025
106AQI
106AQI
9th April 2025
106AQI
106AQI
10th April 2025
116AQI
116AQI
11th April 2025
134AQI
134AQI
12th April 2025
102AQI
102AQI
13th April 2025
85AQI
85AQI
14th April 2025
77AQI
77AQI
15th April 2025
79AQI
79AQI
16th April 2025
109AQI
109AQI
17th April 2025
116AQI
116AQI
18th April 2025
82AQI
82AQI
19th April 2025
96AQI
96AQI
20th April 2025
104AQI
104AQI
21st April 2025
109AQI
109AQI
22nd April 2025
82AQI
82AQI
23rd April 2025
102AQI
102AQI
24th April 2025
68AQI
68AQI
25th April 2025
93AQI
93AQI
26th April 2025
100AQI
100AQI
27th April 2025
80AQI
80AQI
28th April 2025
85AQI
85AQI
29th April 2025
83AQI
83AQI
30th April 2025
90AQI
90AQI
1st May 2025
71AQI
71AQI
2nd May 2025
88AQI
88AQI
3rd May 2025
61AQI
61AQI
4th May 2025
78AQI
78AQI
5th May 2025
88AQI
88AQI
6th May 2025
79AQI
79AQI
7th May 2025
104AQI
104AQI
8th May 2025
104AQI
104AQI
9th May 2025
77AQI
77AQI
10th May 2025
81AQI
81AQI
11th May 2025
77AQI
77AQI
12th May 2025
83AQI
83AQI
13th May 2025
94AQI
94AQI
14th May 2025
76AQI
76AQI
15th May 2025
73AQI
73AQI
16th May 2025
114AQI
114AQI
17th May 2025
75AQI
75AQI
18th May 2025
94AQI
94AQI
19th May 2025
101AQI
101AQI
20th May 2025
109AQI
109AQI
21st May 2025
100AQI
100AQI
22nd May 2025
121AQI
121AQI
23rd May 2025
117AQI
117AQI
24th May 2025
91AQI
91AQI
25th May 2025
89AQI
89AQI
26th May 2025
90AQI
90AQI
27th May 2025
94AQI
94AQI
28th May 2025
102AQI
102AQI
29th May 2025
97AQI
97AQI
30th May 2025
98AQI
98AQI
31st May 2025
98AQI
98AQI
1st June 2025
112AQI
112AQI
2nd June 2025
93AQI
93AQI
3rd June 2025
64AQI
64AQI
4th June 2025
63AQI
63AQI
5th June 2025
75AQI
75AQI
6th June 2025
84AQI
84AQI
7th June 2025
82AQI
82AQI
8th June 2025
87AQI
87AQI
9th June 2025
90AQI
90AQI
10th June 2025
72AQI
72AQI
11th June 2025
83AQI
83AQI
12th June 2025
86AQI
86AQI
13th June 2025
91AQI
91AQI
14th June 2025
88AQI
88AQI
15th June 2025
70AQI
70AQI
16th June 2025
59AQI
59AQI
17th June 2025
66AQI
66AQI
18th June 2025
73AQI
73AQI
19th June 2025
64AQI
64AQI
20th June 2025
67AQI
67AQI
21st June 2025
65AQI
65AQI
22nd June 2025
54AQI
54AQI
23rd June 2025
63AQI
63AQI
24th June 2025
64AQI
64AQI
25th June 2025
73AQI
73AQI
26th June 2025
74AQI
74AQI
27th June 2025
82AQI
82AQI
28th June 2025
82AQI
82AQI
29th June 2025
78AQI
78AQI
30th June 2025
74AQI
74AQI
1st July 2025
65AQI
65AQI
2nd July 2025
67AQI
67AQI
3rd July 2025
60AQI
60AQI
4th July 2025
64AQI
64AQI
5th July 2025
60AQI
60AQI
6th July 2025
57AQI
57AQI
7th July 2025
60AQI
60AQI
8th July 2025
62AQI
62AQI
9th July 2025
67AQI
67AQI
10th July 2025
77AQI
77AQI
11th July 2025
77AQI
77AQI
12th July 2025
76AQI
76AQI
13th July 2025
70AQI
70AQI
14th July 2025
65AQI
65AQI
15th July 2025
71AQI
71AQI
16th July 2025
68AQI
68AQI
17th July 2025
65AQI
65AQI
18th July 2025
65AQI
65AQI
19th July 2025
68AQI
68AQI
20th July 2025
70AQI
70AQI
21st July 2025
70AQI
70AQI
22nd July 2025
65AQI
65AQI
23rd July 2025
62AQI
62AQI
24th July 2025
64AQI
64AQI
25th July 2025
67AQI
67AQI
26th July 2025
65AQI
65AQI
27th July 2025
62AQI
62AQI
28th July 2025
66AQI
66AQI
29th July 2025
57AQI
57AQI
30th July 2025
61AQI
61AQI
31st July 2025
59AQI
59AQI
1st August 2025
64AQI
64AQI
116AQI
104AQI
108AQI
96AQI
91AQI
76AQI
66AQI
64AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202593AQI
11
18
1
1
1
15
11
1
16
10
5
17
13
23
8
29
1
31
1
1
143
61
7
1
Highest AQI recorded in
January116AQI
Lowest AQI recorded in
August64AQI
202485AQI
31
29
31
28
2
29
30
31
31
3
18
8
3
6
11
11
12
13
5
15
15
1
8
291
47
17
Highest AQI recorded in
October124AQI
Lowest AQI recorded in
August65AQI
2023101AQI
1
9
10
7
1
9
11
8
3
7
3
3
31
1
55
28
18
1
Highest AQI recorded in
March129AQI
Lowest AQI recorded in
December59AQI
2022100AQI
6
14
11
11
7
4
2
11
14
4
1
18
9
2
27
4
2
21
7
7
16
1
2
3
2
15
12
5
11
13
2
3
9
8
7
3
2
13
9
3
4
26
161
98
33
7
Highest AQI recorded in
January135AQI
Lowest AQI recorded in
August61AQI
2021111AQI
8
11
8
4
10
12
4
2
4
7
17
1
2
12
12
1
1
1
17
10
1
2
13
16
1
9
16
6
20
11
2
17
10
1
4
13
8
6
5
6
11
7
1
1
12
9
8
1
22
148
123
53
12
3
Highest AQI recorded in
March163AQI
Lowest AQI recorded in
July64AQI
2020115AQI
1
5
6
1
8
11
2
10
6
2
11
17
2
5
24
2
17
14
2
13
11
3
11
12
8
9
14
5
2
7
8
14
2
3
96
123
39
4
Highest AQI recorded in
December144AQI
Lowest AQI recorded in
May99AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
115AQILeast Polluted Year Recorded
2024(Avg.)
85AQIHejian's annual 2025 AQI (93) shows an average percentage change of -7.7% (improved AQI) compared to previous years: 2020 (115), 2021 (111), 2022 (100), 2023 (101), 2024 (85).
