Hejian City Transportation Bureau, 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 City Transportation Bureau, Hejian, Hebei, China
2022
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
2nd Aug 2022
93AQILowest AQI recorded on
12th Aug 2024
50AQISame Day Analysis (3rd August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 63 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Hejian City Transportation Bureau, Hejian, Hebei, China
AQI
Day
Night
.
5 AM4th Aug 2025
7 PM
4 AM5th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
8AM4th Aug
67AQI
Avg. Lowest Time
4PM4th Aug
55AQI
In the last 24 hours,
Hejian City Transportation Bureau's AQI reached its highest point of 67 at 8 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hejian City Transportation Bureau, Hejian, Hebei, China
JulAug
06th - 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 - 05th05th
Day
Night
6th Jul 2025625 AMAQI
6th Jul 2025626 AMAQI
6th Jul 2025617 AMAQI
6th Jul 2025528 AMAQI
6th Jul 2025409 AMAQI
6th Jul 20254610 AMAQI
6th Jul 20254411 AMAQI
6th Jul 20255112 PMAQI
6th Jul 2025521 PMAQI
6th Jul 2025482 PMAQI
6th Jul 2025523 PMAQI
6th Jul 2025504 PMAQI
6th Jul 2025515 PMAQI
6th Jul 2025526 PMAQI
6th Jul 2025547 PMAQI
6th Jul 2025628 PMAQI
6th Jul 2025609 PMAQI
6th Jul 20256010 PMAQI
6th Jul 20255911 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 2025605 AMAQI
7th Jul 2025606 AMAQI
7th Jul 2025607 AMAQI
7th Jul 2025568 AMAQI
7th Jul 2025539 AMAQI
7th Jul 20255210 AMAQI
7th Jul 20255611 AMAQI
7th Jul 20255712 PMAQI
7th Jul 2025561 PMAQI
7th Jul 2025582 PMAQI
7th Jul 2025593 PMAQI
7th Jul 2025604 PMAQI
7th Jul 2025585 PMAQI
7th Jul 2025666 PMAQI
7th Jul 2025627 PMAQI
7th Jul 2025618 PMAQI
7th Jul 2025609 PMAQI
7th Jul 20256210 PMAQI
7th Jul 20256311 PMAQI
8th Jul 20256112 AMAQI
8th Jul 2025601 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 2025648 AMAQI
8th Jul 2025649 AMAQI
8th Jul 20256210 AMAQI
8th Jul 20256211 AMAQI
8th Jul 20255812 PMAQI
8th Jul 2025581 PMAQI
8th Jul 2025582 PMAQI
8th Jul 2025603 PMAQI
8th Jul 2025614 PMAQI
8th Jul 2025605 PMAQI
8th Jul 2025616 PMAQI
8th Jul 2025597 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
30°C24/36°C
9th Jul 2025605 AMAQI
9th Jul 2025616 AMAQI
9th Jul 2025617 AMAQI
9th Jul 2025748 AMAQI
9th Jul 2025799 AMAQI
9th Jul 20258010 AMAQI
9th Jul 20257611 AMAQI
9th Jul 20257412 PMAQI
9th Jul 2025801 PMAQI
9th Jul 2025692 PMAQI
9th Jul 2025633 PMAQI
9th Jul 2025654 PMAQI
9th Jul 2025625 PMAQI
9th Jul 2025656 PMAQI
9th Jul 2025677 PMAQI
9th Jul 2025658 PMAQI
9th Jul 2025669 PMAQI
9th Jul 20256610 PMAQI
9th Jul 20256711 PMAQI
10th Jul 20256512 AMAQI
10th Jul 2025621 AMAQI
10th Jul 2025622 AMAQI
10th Jul 2025633 AMAQI
10th Jul 2025634 AMAQI
31°C26/37°C
10th Jul 2025625 AMAQI
10th Jul 2025636 AMAQI
10th Jul 2025637 AMAQI
10th Jul 2025778 AMAQI
10th Jul 2025889 AMAQI
10th Jul 202511210 AMAQI
10th Jul 202510811 AMAQI
10th Jul 20259512 PMAQI
10th Jul 2025961 PMAQI
10th Jul 2025922 PMAQI
10th Jul 2025903 PMAQI
10th Jul 2025894 PMAQI
10th Jul 2025905 PMAQI
10th Jul 2025906 PMAQI
10th Jul 2025787 PMAQI
10th Jul 2025718 PMAQI
10th Jul 2025689 PMAQI
10th Jul 20256910 PMAQI
10th Jul 20257311 PMAQI
11th Jul 20257012 AMAQI
11th Jul 2025641 AMAQI
11th Jul 2025642 AMAQI
11th Jul 2025653 AMAQI
11th Jul 2025664 AMAQI
31°C27/37°C
11th Jul 2025665 AMAQI
11th Jul 2025666 AMAQI
11th Jul 2025657 AMAQI
11th Jul 20251028 AMAQI
11th Jul 20251109 AMAQI
11th Jul 202511610 AMAQI
11th Jul 202511111 AMAQI
11th Jul 20259012 PMAQI
11th Jul 2025901 PMAQI
11th Jul 2025892 PMAQI
11th Jul 2025823 PMAQI
11th Jul 2025794 PMAQI
11th Jul 2025785 PMAQI
11th Jul 2025776 PMAQI
11th Jul 2025757 PMAQI
11th Jul 2025708 PMAQI
11th Jul 2025719 PMAQI
11th Jul 20257210 PMAQI
11th Jul 20257211 PMAQI
12th Jul 20257112 AMAQI
12th Jul 2025681 AMAQI
12th Jul 2025662 AMAQI
12th Jul 2025683 AMAQI
12th Jul 2025704 AMAQI
32°C27/37°C
12th Jul 2025705 AMAQI
12th Jul 2025706 AMAQI
12th Jul 2025707 AMAQI
12th Jul 2025918 AMAQI
12th Jul 20251009 AMAQI
12th Jul 202511110 AMAQI
12th Jul 20259411 AMAQI
12th Jul 20258112 PMAQI
12th Jul 2025821 PMAQI
12th Jul 2025792 PMAQI
12th Jul 2025803 PMAQI
12th Jul 2025804 PMAQI
12th Jul 2025785 PMAQI
12th Jul 2025776 PMAQI
12th Jul 2025787 PMAQI
12th Jul 2025708 PMAQI
12th Jul 2025719 PMAQI
12th Jul 20257210 PMAQI
12th Jul 20257311 PMAQI
13th Jul 20257512 AMAQI
13th Jul 2025701 AMAQI
13th Jul 2025692 AMAQI
13th Jul 2025703 AMAQI
13th Jul 2025724 AMAQI
33°C28/38°C
13th Jul 2025725 AMAQI
13th Jul 2025726 AMAQI
13th Jul 2025717 AMAQI
13th Jul 2025788 AMAQI
13th Jul 2025799 AMAQI
13th Jul 20257610 AMAQI
13th Jul 20256611 AMAQI
13th Jul 20256812 PMAQI
13th Jul 2025691 PMAQI
13th Jul 2025752 PMAQI
13th Jul 2025703 PMAQI
13th Jul 2025724 PMAQI
13th Jul 2025675 PMAQI
13th Jul 2025726 PMAQI
13th Jul 2025667 PMAQI
13th Jul 2025678 PMAQI
13th Jul 2025699 PMAQI
13th Jul 20256810 PMAQI
13th Jul 20257011 PMAQI
14th Jul 20257012 AMAQI
14th Jul 2025701 AMAQI
14th Jul 2025702 AMAQI
14th Jul 2025703 AMAQI
14th Jul 2025704 AMAQI
32°C26/38°C
14th Jul 2025715 AMAQI
14th Jul 2025706 AMAQI
14th Jul 2025707 AMAQI
14th Jul 2025608 AMAQI
14th Jul 2025589 AMAQI
14th Jul 20255910 AMAQI
14th Jul 20256411 AMAQI
14th Jul 20256212 PMAQI
14th Jul 2025571 PMAQI
14th Jul 2025582 PMAQI
14th Jul 2025583 PMAQI
14th Jul 2025574 PMAQI
14th Jul 2025565 PMAQI
14th Jul 2025606 PMAQI
14th Jul 2025617 PMAQI
14th Jul 2025668 PMAQI
14th Jul 2025669 PMAQI
14th Jul 20256710 PMAQI
14th Jul 20256811 PMAQI
15th Jul 20256712 AMAQI
15th Jul 2025701 AMAQI
15th Jul 2025702 AMAQI
15th Jul 2025693 AMAQI
15th Jul 2025684 AMAQI
32°C28/36°C
15th Jul 2025685 AMAQI
15th Jul 2025686 AMAQI
15th Jul 2025697 AMAQI
15th Jul 2025698 AMAQI
15th Jul 2025669 AMAQI
15th Jul 20257310 AMAQI
15th Jul 20256711 AMAQI
15th Jul 20256912 PMAQI
15th Jul 2025721 PMAQI
15th Jul 2025712 PMAQI
15th Jul 2025743 PMAQI
15th Jul 2025824 PMAQI
15th Jul 2025755 PMAQI
15th Jul 2025786 PMAQI
15th Jul 2025747 PMAQI
15th Jul 2025698 PMAQI
15th Jul 2025709 PMAQI
15th Jul 20256910 PMAQI
15th Jul 20257011 PMAQI
16th Jul 20256912 AMAQI
16th Jul 2025671 AMAQI
16th Jul 2025682 AMAQI
16th Jul 2025683 AMAQI
16th Jul 2025684 AMAQI
30°C24/36°C
16th Jul 2025685 AMAQI
16th Jul 2025686 AMAQI
16th Jul 2025687 AMAQI
16th Jul 2025848 AMAQI
16th Jul 2025889 AMAQI
16th Jul 20258010 AMAQI
16th Jul 20257411 AMAQI
16th Jul 20257212 PMAQI
16th Jul 2025701 PMAQI
16th Jul 2025652 PMAQI
16th Jul 2025593 PMAQI
16th Jul 2025564 PMAQI
16th Jul 2025585 PMAQI
16th Jul 2025576 PMAQI
16th Jul 2025627 PMAQI
16th Jul 2025648 PMAQI
16th Jul 2025669 PMAQI
16th Jul 20256710 PMAQI
16th Jul 20256711 PMAQI
17th Jul 20256812 AMAQI
17th Jul 2025681 AMAQI
17th Jul 2025682 AMAQI
17th Jul 2025683 AMAQI
17th Jul 2025704 AMAQI
28°C21/35°C
17th Jul 2025695 AMAQI
17th Jul 2025696 AMAQI
17th Jul 2025707 AMAQI
17th Jul 2025868 AMAQI
17th Jul 2025829 AMAQI
17th Jul 20256610 AMAQI
17th Jul 20256211 AMAQI
17th Jul 20256412 PMAQI
17th Jul 2025561 PMAQI
17th Jul 2025542 PMAQI
17th Jul 2025533 PMAQI
17th Jul 2025534 PMAQI
17th Jul 2025535 PMAQI
17th Jul 2025526 PMAQI
17th Jul 2025567 PMAQI
17th Jul 2025648 PMAQI
17th Jul 2025659 PMAQI
17th Jul 20256610 PMAQI
17th Jul 20256511 PMAQI
18th Jul 20256612 AMAQI
18th Jul 2025681 AMAQI
18th Jul 2025682 AMAQI
18th Jul 2025673 AMAQI
18th Jul 2025684 AMAQI
31°C25/37°C
18th Jul 2025685 AMAQI
18th Jul 2025686 AMAQI
18th Jul 2025687 AMAQI
18th Jul 2025648 AMAQI
18th Jul 2025669 AMAQI
18th Jul 20255710 AMAQI
18th Jul 20256011 AMAQI
18th Jul 20256312 PMAQI
18th Jul 2025581 PMAQI
18th Jul 2025572 PMAQI
18th Jul 2025593 PMAQI
18th Jul 2025574 PMAQI
18th Jul 2025575 PMAQI
18th Jul 2025606 PMAQI
18th Jul 2025607 PMAQI
18th Jul 2025658 PMAQI
18th Jul 2025669 PMAQI
18th Jul 20256610 PMAQI
18th Jul 20256611 PMAQI
19th Jul 20256712 AMAQI
19th Jul 2025661 AMAQI
19th Jul 2025672 AMAQI
19th Jul 2025673 AMAQI
19th Jul 2025664 AMAQI
32°C26/38°C
19th Jul 2025675 AMAQI
19th Jul 2025676 AMAQI
19th Jul 2025677 AMAQI
19th Jul 2025638 AMAQI
19th Jul 2025669 AMAQI
19th Jul 20255410 AMAQI
19th Jul 20255211 AMAQI
19th Jul 20255812 PMAQI
19th Jul 2025601 PMAQI
19th Jul 2025592 PMAQI
19th Jul 2025603 PMAQI
19th Jul 2025564 PMAQI
19th Jul 2025555 PMAQI
19th Jul 2025566 PMAQI
19th Jul 2025607 PMAQI
19th Jul 2025688 PMAQI
19th Jul 2025739 PMAQI
19th Jul 20257210 PMAQI
19th Jul 20257311 PMAQI
20th Jul 20257412 AMAQI
20th Jul 2025661 AMAQI
20th Jul 2025662 AMAQI
20th Jul 2025663 AMAQI
20th Jul 2025644 AMAQI
31°C27/36°C
20th Jul 2025645 AMAQI
20th Jul 2025656 AMAQI
20th Jul 2025647 AMAQI
20th Jul 2025758 AMAQI
20th Jul 2025939 AMAQI
20th Jul 20258510 AMAQI
20th Jul 20258511 AMAQI
20th Jul 20258612 PMAQI
20th Jul 2025881 PMAQI
20th Jul 2025682 PMAQI
20th Jul 2025603 PMAQI
20th Jul 2025614 PMAQI
20th Jul 2025565 PMAQI
20th Jul 2025536 PMAQI
20th Jul 2025627 PMAQI
20th Jul 2025708 PMAQI
20th Jul 2025719 PMAQI
20th Jul 20257410 PMAQI
20th Jul 20257411 PMAQI
21st Jul 20257312 AMAQI
21st Jul 2025671 AMAQI
21st Jul 2025672 AMAQI
21st Jul 2025673 AMAQI
21st Jul 2025694 AMAQI
26°C23/26°C
21st Jul 2025695 AMAQI
21st Jul 2025696 AMAQI
21st Jul 2025707 AMAQI
21st Jul 2025938 AMAQI
21st Jul 2025989 AMAQI
21st Jul 20258210 AMAQI
21st Jul 20258111 AMAQI
21st Jul 20257512 PMAQI
21st Jul 2025761 PMAQI
21st Jul 2025672 PMAQI
21st Jul 2025613 PMAQI
21st Jul 2025594 PMAQI
21st Jul 2025585 PMAQI
21st Jul 2025566 PMAQI
21st Jul 2025677 PMAQI
21st Jul 2025708 PMAQI
21st Jul 2025729 PMAQI
21st Jul 20257510 PMAQI
21st Jul 20257811 PMAQI
22nd Jul 20257512 AMAQI
22nd Jul 2025681 AMAQI
22nd Jul 2025692 AMAQI
22nd Jul 2025693 AMAQI
22nd Jul 2025704 AMAQI
29°C23/35°C
22nd Jul 2025695 AMAQI
22nd Jul 2025706 AMAQI
22nd Jul 2025697 AMAQI
22nd Jul 2025768 AMAQI
22nd Jul 2025709 AMAQI
22nd Jul 20256210 AMAQI
22nd Jul 20255611 AMAQI
22nd Jul 20256012 PMAQI
22nd Jul 2025561 PMAQI
22nd Jul 2025552 PMAQI
22nd Jul 2025563 PMAQI
22nd Jul 2025574 PMAQI
22nd Jul 2025565 PMAQI
22nd Jul 2025606 PMAQI
22nd Jul 2025607 PMAQI
22nd Jul 2025658 PMAQI
22nd Jul 2025669 PMAQI
22nd Jul 20256710 PMAQI
22nd Jul 20256611 PMAQI
23rd Jul 20256812 AMAQI
23rd Jul 2025681 AMAQI
23rd Jul 2025682 AMAQI
23rd Jul 2025693 AMAQI
23rd Jul 2025674 AMAQI
30°C24/36°C
23rd Jul 2025685 AMAQI
23rd Jul 2025676 AMAQI
23rd Jul 2025667 AMAQI
23rd Jul 2025568 AMAQI
23rd Jul 2025569 AMAQI
23rd Jul 20256110 AMAQI
23rd Jul 20255911 AMAQI
23rd Jul 20256212 PMAQI
23rd Jul 2025581 PMAQI
23rd Jul 2025542 PMAQI
23rd Jul 2025493 PMAQI
23rd Jul 2025584 PMAQI
23rd Jul 2025555 PMAQI
23rd Jul 2025556 PMAQI
23rd Jul 2025577 PMAQI
23rd Jul 2025628 PMAQI
23rd Jul 2025629 PMAQI
23rd Jul 20256110 PMAQI
23rd Jul 20256211 PMAQI
24th Jul 20256212 AMAQI
24th Jul 2025641 AMAQI
24th Jul 2025672 AMAQI
24th Jul 2025673 AMAQI
24th Jul 2025664 AMAQI
30°C26/34°C
24th Jul 2025655 AMAQI
24th Jul 2025666 AMAQI
24th Jul 2025667 AMAQI
24th Jul 2025628 AMAQI
24th Jul 2025609 AMAQI
24th Jul 20256710 AMAQI
24th Jul 20256811 AMAQI
24th Jul 20256912 PMAQI
24th Jul 2025681 PMAQI
24th Jul 2025632 PMAQI
24th Jul 2025613 PMAQI
24th Jul 2025594 PMAQI
24th Jul 2025675 PMAQI
24th Jul 2025616 PMAQI
24th Jul 2025587 PMAQI
24th Jul 2025628 PMAQI
24th Jul 2025639 PMAQI
24th Jul 20256310 PMAQI
24th Jul 20256411 PMAQI
25th Jul 20256312 AMAQI
25th Jul 2025631 AMAQI
25th Jul 2025632 AMAQI
25th Jul 2025643 AMAQI
25th Jul 2025644 AMAQI
30°C26/35°C
25th Jul 2025645 AMAQI
25th Jul 2025646 AMAQI
25th Jul 2025647 AMAQI
25th Jul 2025668 AMAQI
25th Jul 2025679 AMAQI
25th Jul 20256810 AMAQI
25th Jul 20256611 AMAQI
25th Jul 20257212 PMAQI
25th Jul 2025701 PMAQI
25th Jul 2025702 PMAQI
25th Jul 2025713 PMAQI
25th Jul 2025704 PMAQI
25th Jul 2025655 PMAQI
25th Jul 2025686 PMAQI
25th Jul 2025687 PMAQI
25th Jul 2025698 PMAQI
25th Jul 2025689 PMAQI
25th Jul 20256810 PMAQI
25th Jul 20256711 PMAQI
26th Jul 20256612 AMAQI
26th Jul 2025631 AMAQI
26th Jul 2025642 AMAQI
26th Jul 2025653 AMAQI
26th Jul 2025644 AMAQI
31°C27/37°C
26th Jul 2025645 AMAQI
26th Jul 2025656 AMAQI
26th Jul 2025647 AMAQI
26th Jul 2025778 AMAQI
26th Jul 2025829 AMAQI
26th Jul 20258210 AMAQI
26th Jul 20257611 AMAQI
26th Jul 20256712 PMAQI
26th Jul 2025641 PMAQI
26th Jul 2025582 PMAQI
26th Jul 2025583 PMAQI
26th Jul 2025574 PMAQI
26th Jul 2025595 PMAQI
26th Jul 2025586 PMAQI
26th Jul 2025607 PMAQI
26th Jul 2025638 PMAQI
26th Jul 2025659 PMAQI
26th Jul 20256310 PMAQI
26th Jul 20256411 PMAQI
27th Jul 20256312 AMAQI
27th Jul 2025631 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 2025667 AMAQI
27th Jul 2025708 AMAQI
27th Jul 2025659 AMAQI
27th Jul 20256610 AMAQI
27th Jul 20256111 AMAQI
27th Jul 20255512 PMAQI
27th Jul 2025591 PMAQI
27th Jul 2025622 PMAQI
27th Jul 2025573 PMAQI
27th Jul 2025564 PMAQI
27th Jul 2025565 PMAQI
27th Jul 2025526 PMAQI
27th Jul 2025547 PMAQI
27th Jul 2025608 PMAQI
27th Jul 2025609 PMAQI
27th Jul 20256310 PMAQI
27th Jul 20256411 PMAQI
28th Jul 20256412 AMAQI
28th Jul 2025641 AMAQI
28th Jul 2025642 AMAQI
28th Jul 2025643 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 2025819 AMAQI
28th Jul 20257410 AMAQI
28th Jul 20257311 AMAQI
28th Jul 20256512 PMAQI
28th Jul 2025641 PMAQI
28th Jul 2025702 PMAQI
28th Jul 2025683 PMAQI
28th Jul 2025634 PMAQI
28th Jul 2025665 PMAQI
28th Jul 2025636 PMAQI
28th Jul 2025667 PMAQI
28th Jul 2025648 PMAQI
28th Jul 2025649 PMAQI
28th Jul 20256610 PMAQI
28th Jul 20256711 PMAQI
29th Jul 20256712 AMAQI
29th Jul 2025641 AMAQI
29th Jul 2025632 AMAQI
29th Jul 2025643 AMAQI
29th Jul 2025654 AMAQI
33°C28/39°C
29th Jul 2025645 AMAQI
29th Jul 2025666 AMAQI
29th Jul 2025657 AMAQI
29th Jul 2025558 AMAQI
29th Jul 2025429 AMAQI
29th Jul 20254010 AMAQI
29th Jul 20255011 AMAQI
29th Jul 20256412 PMAQI
29th Jul 2025661 PMAQI
29th Jul 2025612 PMAQI
29th Jul 2025543 PMAQI
29th Jul 2025454 PMAQI
29th Jul 2025455 PMAQI
29th Jul 2025406 PMAQI
29th Jul 2025487 PMAQI
29th Jul 2025618 PMAQI
29th Jul 2025599 PMAQI
29th Jul 20255910 PMAQI
29th Jul 20256011 PMAQI
30th Jul 20256012 AMAQI
30th Jul 2025641 AMAQI
30th Jul 2025642 AMAQI
30th Jul 2025633 AMAQI
30th Jul 2025634 AMAQI
30°C25/35°C
30th Jul 2025635 AMAQI
30th Jul 2025636 AMAQI
30th Jul 2025647 AMAQI
30th Jul 2025738 AMAQI
30th Jul 2025739 AMAQI
30th Jul 20256610 AMAQI
30th Jul 20256511 AMAQI
30th Jul 20256412 PMAQI
30th Jul 2025601 PMAQI
30th Jul 2025622 PMAQI
30th Jul 2025603 PMAQI
30th Jul 2025624 PMAQI
30th Jul 2025615 PMAQI
30th Jul 2025566 PMAQI
30th Jul 2025567 PMAQI
30th Jul 2025608 PMAQI
30th Jul 2025629 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 20255810 AMAQI
31st Jul 20255711 AMAQI
31st Jul 20255812 PMAQI
31st Jul 2025571 PMAQI
31st Jul 2025542 PMAQI
31st Jul 2025533 PMAQI
31st Jul 2025524 PMAQI
31st Jul 2025565 PMAQI
31st Jul 2025566 PMAQI
31st Jul 2025597 PMAQI
31st Jul 2025628 PMAQI
31st Jul 2025669 PMAQI
31st Jul 20256010 PMAQI
31st Jul 20256211 PMAQI
1st Aug 20256512 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 2025788 AMAQI
1st Aug 2025709 AMAQI
1st Aug 20257310 AMAQI
1st Aug 20257011 AMAQI
1st Aug 20256012 PMAQI
1st Aug 2025651 PMAQI
1st Aug 2025702 PMAQI
1st Aug 2025663 PMAQI
1st Aug 2025714 PMAQI
1st Aug 2025715 PMAQI
1st Aug 2025736 PMAQI
1st Aug 2025687 PMAQI
1st Aug 2025668 PMAQI
1st Aug 2025669 PMAQI
1st Aug 20256410 PMAQI
1st Aug 20256311 PMAQI
2nd Aug 20256212 AMAQI
2nd Aug 2025591 AMAQI
2nd Aug 2025592 AMAQI
2nd Aug 2025623 AMAQI
2nd Aug 2025624 AMAQI
30°C25/36°C
2nd Aug 2025625 AMAQI
2nd Aug 2025626 AMAQI
2nd Aug 2025627 AMAQI
2nd Aug 2025728 AMAQI
2nd Aug 2025709 AMAQI
2nd Aug 20257010 AMAQI
2nd Aug 20256711 AMAQI
2nd Aug 20256112 PMAQI
2nd Aug 2025631 PMAQI
2nd Aug 2025602 PMAQI
2nd Aug 2025643 PMAQI
2nd Aug 2025664 PMAQI
2nd Aug 2025635 PMAQI
2nd Aug 2025686 PMAQI
2nd Aug 2025667 PMAQI
2nd Aug 2025648 PMAQI
2nd Aug 2025639 PMAQI
2nd Aug 20256410 PMAQI
2nd Aug 20256311 PMAQI
3rd Aug 20256212 AMAQI
3rd Aug 2025601 AMAQI
3rd Aug 2025592 AMAQI
3rd Aug 2025623 AMAQI
3rd Aug 2025624 AMAQI
31°C25/37°C
3rd Aug 2025615 AMAQI
3rd Aug 2025626 AMAQI
3rd Aug 2025627 AMAQI
3rd Aug 2025578 AMAQI
3rd Aug 2025619 AMAQI
3rd Aug 20256310 AMAQI
3rd Aug 20256111 AMAQI
3rd Aug 20256012 PMAQI
3rd Aug 2025621 PMAQI
3rd Aug 2025652 PMAQI
3rd Aug 2025673 PMAQI
3rd Aug 2025704 PMAQI
3rd Aug 2025675 PMAQI
3rd Aug 2025746 PMAQI
3rd Aug 2025687 PMAQI
3rd Aug 2025678 PMAQI
3rd Aug 2025679 PMAQI
3rd Aug 20256510 PMAQI
3rd Aug 20256211 PMAQI
4th Aug 20256412 AMAQI
4th Aug 2025601 AMAQI
4th Aug 2025602 AMAQI
4th Aug 2025603 AMAQI
4th Aug 2025604 AMAQI
31°C26/39°C
4th Aug 2025605 AMAQI
4th Aug 2025606 AMAQI
4th Aug 2025607 AMAQI
4th Aug 2025678 AMAQI
4th Aug 2025649 AMAQI
4th Aug 20256710 AMAQI
4th Aug 20256111 AMAQI
4th Aug 20256012 PMAQI
4th Aug 2025601 PMAQI
4th Aug 2025562 PMAQI
4th Aug 2025603 PMAQI
4th Aug 2025554 PMAQI
4th Aug 2025615 PMAQI
4th Aug 2025606 PMAQI
4th Aug 2025607 PMAQI
4th Aug 2025618 PMAQI
4th Aug 2025619 PMAQI
4th Aug 20256210 PMAQI
4th Aug 20256211 PMAQI
5th Aug 20256212 AMAQI
5th Aug 2025601 AMAQI
5th Aug 2025582 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 City Transportation Bureau, Hejian, Hebei, China
2025
0.4%
1
67%
145
29%
62
3%
6
0.4%
1
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Good
1 DaysModerate
145 DaysPoor
62 DaysUnhealthy
6 DaysSevere
1 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 0.47%
Health Risk Level:
Extreme
In 2025, 0.47% of 216 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 City Transportation Bureau, 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
144AQI
144AQI
2nd January 2025
93AQI
93AQI
3rd January 2025
126AQI
126AQI
4th January 2025
148AQI
148AQI
5th January 2025
131AQI
131AQI
6th January 2025
87AQI
87AQI
7th January 2025
87AQI
87AQI
8th January 2025
61AQI
61AQI
9th January 2025
65AQI
65AQI
10th January 2025
88AQI
88AQI
11th January 2025
115AQI
115AQI
12th January 2025
92AQI
92AQI
13th January 2025
138AQI
138AQI
14th January 2025
83AQI
83AQI
15th January 2025
93AQI
93AQI
16th January 2025
88AQI
88AQI
17th January 2025
113AQI
113AQI
18th January 2025
145AQI
145AQI
19th January 2025
113AQI
113AQI
20th January 2025
150AQI
150AQI
21st January 2025
138AQI
138AQI
22nd January 2025
106AQI
106AQI
23rd January 2025
122AQI
122AQI
24th January 2025
135AQI
135AQI
25th January 2025
143AQI
143AQI
26th January 2025
125AQI
125AQI
27th January 2025
84AQI
84AQI
28th January 2025
108AQI
108AQI
29th January 2025
215AQI
215AQI
30th January 2025
114AQI
114AQI
31st January 2025
143AQI
143AQI
1st February 2025
122AQI
122AQI
2nd February 2025
137AQI
137AQI
3rd February 2025
77AQI
77AQI
4th February 2025
80AQI
80AQI
5th February 2025
63AQI
63AQI
6th February 2025
86AQI
86AQI
7th February 2025
48AQI
48AQI
8th February 2025
60AQI
60AQI
9th February 2025
85AQI
85AQI
10th February 2025
124AQI
124AQI
11th February 2025
143AQI
143AQI
12th February 2025
95AQI
95AQI
13th February 2025
133AQI
133AQI
14th February 2025
131AQI
131AQI
15th February 2025
147AQI
147AQI
16th February 2025
87AQI
87AQI
17th February 2025
84AQI
84AQI
18th February 2025
88AQI
88AQI
19th February 2025
92AQI
92AQI
20th February 2025
103AQI
103AQI
21st February 2025
90AQI
90AQI
22nd February 2025
103AQI
103AQI
23rd February 2025
67AQI
67AQI
24th February 2025
94AQI
94AQI
25th February 2025
99AQI
99AQI
26th February 2025
131AQI
131AQI
27th February 2025
150AQI
150AQI
28th February 2025
173AQI
173AQI
1st March 2025
183AQI
183AQI
2nd March 2025
129AQI
129AQI
3rd March 2025
100AQI
100AQI
4th March 2025
97AQI
97AQI
5th March 2025
126AQI
126AQI
6th March 2025
83AQI
83AQI
7th March 2025
145AQI
145AQI
8th March 2025
139AQI
139AQI
9th March 2025
159AQI
159AQI
10th March 2025
164AQI
164AQI
11th March 2025
171AQI
171AQI
12th March 2025
138AQI
138AQI
13th March 2025
156AQI
156AQI
14th March 2025
117AQI
117AQI
15th March 2025
102AQI
102AQI
16th March 2025
77AQI
77AQI
17th March 2025
74AQI
74AQI
18th March 2025
64AQI
64AQI
19th March 2025
78AQI
78AQI
20th March 2025
61AQI
61AQI
21st March 2025
69AQI
69AQI
22nd March 2025
70AQI
70AQI
23rd March 2025
114AQI
114AQI
24th March 2025
88AQI
88AQI
25th March 2025
86AQI
86AQI
26th March 2025
107AQI
107AQI
27th March 2025
81AQI
81AQI
28th March 2025
89AQI
89AQI
29th March 2025
65AQI
65AQI
30th March 2025
86AQI
86AQI
31st March 2025
95AQI
95AQI
1st April 2025
91AQI
91AQI
2nd April 2025
70AQI
70AQI
3rd April 2025
93AQI
93AQI
4th April 2025
117AQI
117AQI
5th April 2025
69AQI
69AQI
6th April 2025
112AQI
112AQI
7th April 2025
114AQI
114AQI
8th April 2025
106AQI
106AQI
9th April 2025
105AQI
105AQI
10th April 2025
117AQI
117AQI
11th April 2025
134AQI
134AQI
12th April 2025
102AQI
102AQI
13th April 2025
87AQI
87AQI
14th April 2025
77AQI
77AQI
15th April 2025
80AQI
80AQI
16th April 2025
110AQI
110AQI
17th April 2025
115AQI
115AQI
18th April 2025
82AQI
82AQI
19th April 2025
95AQI
95AQI
20th April 2025
104AQI
104AQI
21st April 2025
114AQI
114AQI
22nd April 2025
82AQI
82AQI
23rd April 2025
102AQI
102AQI
24th April 2025
67AQI
67AQI
25th April 2025
92AQI
92AQI
26th April 2025
101AQI
101AQI
27th April 2025
80AQI
80AQI
28th April 2025
86AQI
86AQI
29th April 2025
86AQI
86AQI
30th April 2025
91AQI
91AQI
1st May 2025
72AQI
72AQI
2nd May 2025
89AQI
89AQI
3rd May 2025
61AQI
61AQI
4th May 2025
78AQI
78AQI
5th May 2025
87AQI
87AQI
6th May 2025
79AQI
79AQI
7th May 2025
104AQI
104AQI
8th May 2025
105AQI
105AQI
9th May 2025
78AQI
78AQI
10th May 2025
81AQI
81AQI
11th May 2025
79AQI
79AQI
12th May 2025
85AQI
85AQI
13th May 2025
94AQI
94AQI
14th May 2025
76AQI
76AQI
15th May 2025
73AQI
73AQI
16th May 2025
116AQI
116AQI
17th May 2025
74AQI
74AQI
18th May 2025
96AQI
96AQI
19th May 2025
102AQI
102AQI
20th May 2025
110AQI
110AQI
21st May 2025
98AQI
98AQI
22nd May 2025
123AQI
123AQI
23rd May 2025
120AQI
120AQI
24th May 2025
92AQI
92AQI
25th May 2025
91AQI
91AQI
26th May 2025
91AQI
91AQI
27th May 2025
94AQI
94AQI
28th May 2025
103AQI
103AQI
29th May 2025
98AQI
98AQI
30th May 2025
100AQI
100AQI
31st May 2025
99AQI
99AQI
1st June 2025
113AQI
113AQI
2nd June 2025
94AQI
94AQI
3rd June 2025
63AQI
63AQI
4th June 2025
62AQI
62AQI
5th June 2025
75AQI
75AQI
6th June 2025
85AQI
85AQI
7th June 2025
82AQI
82AQI
8th June 2025
86AQI
86AQI
9th June 2025
90AQI
90AQI
10th June 2025
72AQI
72AQI
11th June 2025
82AQI
82AQI
12th June 2025
87AQI
87AQI
13th June 2025
91AQI
91AQI
14th June 2025
90AQI
90AQI
15th June 2025
71AQI
71AQI
16th June 2025
60AQI
60AQI
17th June 2025
68AQI
68AQI
18th June 2025
73AQI
73AQI
19th June 2025
66AQI
66AQI
20th June 2025
67AQI
67AQI
21st June 2025
65AQI
65AQI
22nd June 2025
53AQI
53AQI
23rd June 2025
63AQI
63AQI
24th June 2025
64AQI
64AQI
25th June 2025
73AQI
73AQI
26th June 2025
74AQI
74AQI
27th June 2025
83AQI
83AQI
28th June 2025
84AQI
84AQI
29th June 2025
81AQI
81AQI
30th June 2025
75AQI
75AQI
1st July 2025
66AQI
66AQI
2nd July 2025
67AQI
67AQI
3rd July 2025
61AQI
61AQI
4th July 2025
64AQI
64AQI
5th July 2025
60AQI
60AQI
6th July 2025
57AQI
57AQI
7th July 2025
60AQI
60AQI
8th July 2025
61AQI
61AQI
9th July 2025
66AQI
66AQI
10th July 2025
75AQI
75AQI
11th July 2025
76AQI
76AQI
12th July 2025
76AQI
76AQI
13th July 2025
71AQI
71AQI
14th July 2025
65AQI
65AQI
15th July 2025
70AQI
70AQI
16th July 2025
68AQI
68AQI
17th July 2025
65AQI
65AQI
18th July 2025
64AQI
64AQI
19th July 2025
64AQI
64AQI
20th July 2025
71AQI
71AQI
21st July 2025
71AQI
71AQI
22nd July 2025
66AQI
66AQI
23rd July 2025
63AQI
63AQI
24th July 2025
64AQI
64AQI
25th July 2025
66AQI
66AQI
26th July 2025
65AQI
65AQI
27th July 2025
62AQI
62AQI
28th July 2025
66AQI
66AQI
29th July 2025
59AQI
59AQI
30th July 2025
62AQI
62AQI
31st July 2025
59AQI
59AQI
1st August 2025
65AQI
65AQI
2nd August 2025
64AQI
64AQI
3rd August 2025
63AQI
63AQI
116AQI
103AQI
107AQI
96AQI
92AQI
76AQI
65AQI
64AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202593AQI
11
19
1
1
15
11
1
17
9
5
16
14
23
8
29
1
31
3
1
145
62
6
1
Highest AQI recorded in
January116AQI
Lowest AQI recorded in
August64AQI
202488AQI
31
28
30
22
2
26
30
31
1
30
3
18
8
2
9
9
11
1
12
12
5
14
16
1
9
281
45
17
Highest AQI recorded in
October123AQI
Lowest AQI recorded in
August65AQI
202354AQI
3
31
34
Highest AQI recorded in
November56AQI
Lowest AQI recorded in
December54AQI
202283AQI
2
1
5
2
26
5
1
23
5
2
17
2
2
3
73
15
2
Highest AQI recorded in
February164AQI
Lowest AQI recorded in
August72AQI
2021147AQI
4
12
12
3
6
12
8
2
3
7
18
1
2
1
4
16
1
1
1
1
17
47
39
7
3
Highest AQI recorded in
March170AQI
Lowest AQI recorded in
April131AQI
2020117AQI
6
6
1
8
11
2
11
6
1
12
15
3
8
21
2
17
14
1
14
12
2
9
11
11
4
16
8
2
2
12
15
2
1
91
124
45
4
Highest AQI recorded in
December150AQI
Lowest AQI recorded in
August97AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
147AQILeast Polluted Year Recorded
2023(Avg.)
54AQIHejian City Transportation Bureau's annual 2025 AQI (93) shows an average percentage change of 6.5% (worsened AQI) compared to previous years: 2020 (117), 2021 (147), 2022 (83), 2023 (54), 2024 (88).
