Dachang County Hui Nationality Second Primary School, Sanhe, 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
Dachang County Hui Nationality Second Primary School, Sanhe, Hebei, China
2021
2022
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2022
119AQILowest AQI recorded on
1st Aug 2021
1AQISame Day Analysis (2nd August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 63 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
Dachang County Hui Nationality Second Primary School, Sanhe, Hebei, China
AQI
Day
Night
.
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
Day time
Avg. Highest Time
9AM2nd Aug
89AQI
Avg. Lowest Time
2PM2nd Aug
61AQI
Night time
Avg. Highest Time
9PM2nd Aug
69AQI
Avg. Lowest Time
2AM3rd Aug
60AQI
In the last 24 hours,
Dachang County Hui Nationality Second Primary School's AQI reached its highest point of 89 at 9 AM during the Day, while the lowest point, 60, was recorded at 2 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Dachang County Hui Nationality Second Primary School, Sanhe, 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 2025676 AMAQI
4th Jul 2025677 AMAQI
4th Jul 2025918 AMAQI
4th Jul 2025989 AMAQI
4th Jul 20259010 AMAQI
4th Jul 20258311 AMAQI
4th Jul 20257012 PMAQI
4th Jul 2025641 PMAQI
4th Jul 2025632 PMAQI
4th Jul 2025583 PMAQI
4th Jul 2025624 PMAQI
4th Jul 2025615 PMAQI
4th Jul 2025596 PMAQI
4th Jul 2025617 PMAQI
4th Jul 2025688 PMAQI
4th Jul 2025689 PMAQI
4th Jul 20257110 PMAQI
4th Jul 20257211 PMAQI
5th Jul 20257212 AMAQI
5th Jul 2025691 AMAQI
5th Jul 2025682 AMAQI
5th Jul 2025683 AMAQI
5th Jul 2025694 AMAQI
31°C24/38°C
5th Jul 2025705 AMAQI
5th Jul 2025706 AMAQI
5th Jul 2025707 AMAQI
5th Jul 2025908 AMAQI
5th Jul 2025899 AMAQI
5th Jul 20258010 AMAQI
5th Jul 20257711 AMAQI
5th Jul 20257612 PMAQI
5th Jul 2025721 PMAQI
5th Jul 2025622 PMAQI
5th Jul 2025563 PMAQI
5th Jul 2025534 PMAQI
5th Jul 2025535 PMAQI
5th Jul 2025506 PMAQI
5th Jul 2025517 PMAQI
5th Jul 2025658 PMAQI
5th Jul 2025659 PMAQI
5th Jul 20256610 PMAQI
5th Jul 20256711 PMAQI
6th Jul 20256612 AMAQI
6th Jul 2025681 AMAQI
6th Jul 2025682 AMAQI
6th Jul 2025683 AMAQI
6th Jul 2025684 AMAQI
32°C27/37°C
6th Jul 2025695 AMAQI
6th Jul 2025696 AMAQI
6th Jul 2025697 AMAQI
6th Jul 2025538 AMAQI
6th Jul 2025439 AMAQI
6th Jul 20252710 AMAQI
6th Jul 20252611 AMAQI
6th Jul 20255012 PMAQI
6th Jul 2025481 PMAQI
6th Jul 2025472 PMAQI
6th Jul 2025483 PMAQI
6th Jul 2025434 PMAQI
6th Jul 2025485 PMAQI
6th Jul 2025526 PMAQI
6th Jul 2025537 PMAQI
6th Jul 2025628 PMAQI
6th Jul 2025629 PMAQI
6th Jul 20256410 PMAQI
6th Jul 20256511 PMAQI
7th Jul 20256512 AMAQI
7th Jul 2025661 AMAQI
7th Jul 2025662 AMAQI
7th Jul 2025653 AMAQI
7th Jul 2025644 AMAQI
31°C28/36°C
7th Jul 2025645 AMAQI
7th Jul 2025656 AMAQI
7th Jul 2025657 AMAQI
7th Jul 2025818 AMAQI
7th Jul 2025769 AMAQI
7th Jul 20256010 AMAQI
7th Jul 20255611 AMAQI
7th Jul 20255812 PMAQI
7th Jul 2025571 PMAQI
7th Jul 2025592 PMAQI
7th Jul 2025563 PMAQI
7th Jul 2025564 PMAQI
7th Jul 2025585 PMAQI
7th Jul 2025596 PMAQI
7th Jul 2025627 PMAQI
7th Jul 2025648 PMAQI
7th Jul 2025649 PMAQI
7th Jul 20256410 PMAQI
7th Jul 20256411 PMAQI
8th Jul 20256312 AMAQI
8th Jul 2025641 AMAQI
8th Jul 2025652 AMAQI
8th Jul 2025653 AMAQI
8th Jul 2025644 AMAQI
30°C24/36°C
8th Jul 2025645 AMAQI
8th Jul 2025646 AMAQI
8th Jul 2025647 AMAQI
8th Jul 2025708 AMAQI
8th Jul 2025729 AMAQI
8th Jul 20257410 AMAQI
8th Jul 20257511 AMAQI
8th Jul 20256812 PMAQI
8th Jul 2025681 PMAQI
8th Jul 2025662 PMAQI
8th Jul 2025653 PMAQI
8th Jul 2025654 PMAQI
8th Jul 2025645 PMAQI
8th Jul 2025676 PMAQI
8th Jul 2025677 PMAQI
8th Jul 2025648 PMAQI
8th Jul 2025659 PMAQI
8th Jul 20256610 PMAQI
8th Jul 20256611 PMAQI
9th Jul 20256712 AMAQI
9th Jul 2025641 AMAQI
9th Jul 2025642 AMAQI
9th Jul 2025643 AMAQI
9th Jul 2025644 AMAQI
30°C25/36°C
9th Jul 2025645 AMAQI
9th Jul 2025646 AMAQI
9th Jul 2025647 AMAQI
9th Jul 20251258 AMAQI
9th Jul 20251189 AMAQI
9th Jul 20259610 AMAQI
9th Jul 20258111 AMAQI
9th Jul 20256412 PMAQI
9th Jul 2025621 PMAQI
9th Jul 2025622 PMAQI
9th Jul 2025603 PMAQI
9th Jul 2025554 PMAQI
9th Jul 2025555 PMAQI
9th Jul 2025546 PMAQI
9th Jul 2025577 PMAQI
9th Jul 2025648 PMAQI
9th Jul 2025649 PMAQI
9th Jul 20256610 PMAQI
9th Jul 20256711 PMAQI
10th Jul 20256812 AMAQI
10th Jul 2025651 AMAQI
10th Jul 2025652 AMAQI
10th Jul 2025663 AMAQI
10th Jul 2025684 AMAQI
30°C25/36°C
10th Jul 2025675 AMAQI
10th Jul 2025666 AMAQI
10th Jul 2025667 AMAQI
10th Jul 2025868 AMAQI
10th Jul 2025929 AMAQI
10th Jul 20258610 AMAQI
10th Jul 20258211 AMAQI
10th Jul 20257212 PMAQI
10th Jul 2025721 PMAQI
10th Jul 2025702 PMAQI
10th Jul 2025673 PMAQI
10th Jul 2025664 PMAQI
10th Jul 2025685 PMAQI
10th Jul 2025706 PMAQI
10th Jul 2025707 PMAQI
10th Jul 2025668 PMAQI
10th Jul 2025689 PMAQI
10th Jul 20256810 PMAQI
10th Jul 20256911 PMAQI
11th Jul 20257212 AMAQI
11th Jul 2025651 AMAQI
11th Jul 2025652 AMAQI
11th Jul 2025663 AMAQI
11th Jul 2025684 AMAQI
30°C25/35°C
11th Jul 2025685 AMAQI
11th Jul 2025686 AMAQI
11th Jul 2025687 AMAQI
11th Jul 20251118 AMAQI
11th Jul 20251269 AMAQI
11th Jul 202511510 AMAQI
11th Jul 20259911 AMAQI
11th Jul 20258012 PMAQI
11th Jul 2025721 PMAQI
11th Jul 2025702 PMAQI
11th Jul 2025703 PMAQI
11th Jul 2025684 PMAQI
11th Jul 2025735 PMAQI
11th Jul 2025776 PMAQI
11th Jul 2025767 PMAQI
11th Jul 2025728 PMAQI
11th Jul 2025749 PMAQI
11th Jul 20257310 PMAQI
11th Jul 20257311 PMAQI
12th Jul 20257212 AMAQI
12th Jul 2025701 AMAQI
12th Jul 2025682 AMAQI
12th Jul 2025693 AMAQI
12th Jul 2025704 AMAQI
31°C26/37°C
12th Jul 2025705 AMAQI
12th Jul 2025706 AMAQI
12th Jul 2025717 AMAQI
12th Jul 20251058 AMAQI
12th Jul 20251149 AMAQI
12th Jul 20259910 AMAQI
12th Jul 20258311 AMAQI
12th Jul 20257412 PMAQI
12th Jul 2025751 PMAQI
12th Jul 2025712 PMAQI
12th Jul 2025743 PMAQI
12th Jul 2025754 PMAQI
12th Jul 2025775 PMAQI
12th Jul 2025716 PMAQI
12th Jul 2025677 PMAQI
12th Jul 2025708 PMAQI
12th Jul 2025699 PMAQI
12th Jul 20256810 PMAQI
12th Jul 20256811 PMAQI
13th Jul 20256812 AMAQI
13th Jul 2025701 AMAQI
13th Jul 2025702 AMAQI
13th Jul 2025723 AMAQI
13th Jul 2025724 AMAQI
31°C26/39°C
13th Jul 2025725 AMAQI
13th Jul 2025726 AMAQI
13th Jul 2025727 AMAQI
13th Jul 2025578 AMAQI
13th Jul 2025389 AMAQI
13th Jul 20253810 AMAQI
13th Jul 20253811 AMAQI
13th Jul 20255312 PMAQI
13th Jul 2025541 PMAQI
13th Jul 2025542 PMAQI
13th Jul 2025553 PMAQI
13th Jul 2025534 PMAQI
13th Jul 2025515 PMAQI
13th Jul 2025516 PMAQI
13th Jul 2025557 PMAQI
13th Jul 2025678 PMAQI
13th Jul 2025679 PMAQI
13th Jul 20256710 PMAQI
13th Jul 20256811 PMAQI
14th Jul 20256912 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 2025687 AMAQI
14th Jul 2025688 AMAQI
14th Jul 2025569 AMAQI
14th Jul 20255310 AMAQI
14th Jul 20254611 AMAQI
14th Jul 20255212 PMAQI
14th Jul 2025501 PMAQI
14th Jul 2025542 PMAQI
14th Jul 2025553 PMAQI
14th Jul 2025584 PMAQI
14th Jul 2025605 PMAQI
14th Jul 2025626 PMAQI
14th Jul 2025617 PMAQI
14th Jul 2025668 PMAQI
14th Jul 2025679 PMAQI
14th Jul 20256810 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°C26/38°C
15th Jul 2025675 AMAQI
15th Jul 2025676 AMAQI
15th Jul 2025677 AMAQI
15th Jul 2025698 AMAQI
15th Jul 2025689 AMAQI
15th Jul 20256810 AMAQI
15th Jul 20256411 AMAQI
15th Jul 20256512 PMAQI
15th Jul 2025641 PMAQI
15th Jul 2025632 PMAQI
15th Jul 2025653 PMAQI
15th Jul 2025674 PMAQI
15th Jul 2025685 PMAQI
15th Jul 2025696 PMAQI
15th Jul 2025747 PMAQI
15th Jul 2025688 PMAQI
15th Jul 2025699 PMAQI
15th Jul 20257410 PMAQI
15th Jul 20257311 PMAQI
16th Jul 20257212 AMAQI
16th Jul 2025671 AMAQI
16th Jul 2025682 AMAQI
16th Jul 2025673 AMAQI
16th Jul 2025674 AMAQI
28°C22/33°C
16th Jul 2025675 AMAQI
16th Jul 2025686 AMAQI
16th Jul 2025687 AMAQI
16th Jul 2025848 AMAQI
16th Jul 2025809 AMAQI
16th Jul 20257010 AMAQI
16th Jul 20256411 AMAQI
16th Jul 20256212 PMAQI
16th Jul 2025591 PMAQI
16th Jul 2025582 PMAQI
16th Jul 2025523 PMAQI
16th Jul 2025544 PMAQI
16th Jul 2025535 PMAQI
16th Jul 2025516 PMAQI
16th Jul 2025547 PMAQI
16th Jul 2025648 PMAQI
16th Jul 2025649 PMAQI
16th Jul 20256310 PMAQI
16th Jul 20256611 PMAQI
17th Jul 20256612 AMAQI
17th Jul 2025681 AMAQI
17th Jul 2025682 AMAQI
17th Jul 2025683 AMAQI
17th Jul 2025684 AMAQI
28°C22/34°C
17th Jul 2025685 AMAQI
17th Jul 2025686 AMAQI
17th Jul 2025687 AMAQI
17th Jul 2025388 AMAQI
17th Jul 2025279 AMAQI
17th Jul 20252610 AMAQI
17th Jul 20252211 AMAQI
17th Jul 20254612 PMAQI
17th Jul 2025481 PMAQI
17th Jul 2025442 PMAQI
17th Jul 2025433 PMAQI
17th Jul 2025474 PMAQI
17th Jul 2025455 PMAQI
17th Jul 2025486 PMAQI
17th Jul 2025517 PMAQI
17th Jul 2025628 PMAQI
17th Jul 2025639 PMAQI
17th Jul 20256410 PMAQI
17th Jul 20256411 PMAQI
18th Jul 20256512 AMAQI
18th Jul 2025671 AMAQI
18th Jul 2025662 AMAQI
18th Jul 2025663 AMAQI
18th Jul 2025654 AMAQI
31°C24/38°C
18th Jul 2025655 AMAQI
18th Jul 2025646 AMAQI
18th Jul 2025647 AMAQI
18th Jul 2025608 AMAQI
18th Jul 2025579 AMAQI
18th Jul 20256210 AMAQI
18th Jul 20256111 AMAQI
18th Jul 20255812 PMAQI
18th Jul 2025561 PMAQI
18th Jul 2025572 PMAQI
18th Jul 2025583 PMAQI
18th Jul 2025584 PMAQI
18th Jul 2025585 PMAQI
18th Jul 2025586 PMAQI
18th Jul 2025607 PMAQI
18th Jul 2025648 PMAQI
18th Jul 2025679 PMAQI
18th Jul 20256810 PMAQI
18th Jul 20256711 PMAQI
19th Jul 20256712 AMAQI
19th Jul 2025651 AMAQI
19th Jul 2025652 AMAQI
19th Jul 2025653 AMAQI
19th Jul 2025644 AMAQI
32°C25/40°C
19th Jul 2025645 AMAQI
19th Jul 2025646 AMAQI
19th Jul 2025647 AMAQI
19th Jul 2025778 AMAQI
19th Jul 2025789 AMAQI
19th Jul 20257010 AMAQI
19th Jul 20257111 AMAQI
19th Jul 20256912 PMAQI
19th Jul 2025641 PMAQI
19th Jul 2025682 PMAQI
19th Jul 2025673 PMAQI
19th Jul 2025684 PMAQI
19th Jul 2025695 PMAQI
19th Jul 2025666 PMAQI
19th Jul 2025607 PMAQI
19th Jul 2025618 PMAQI
19th Jul 2025649 PMAQI
19th Jul 20256310 PMAQI
19th Jul 20256611 PMAQI
20th Jul 20256712 AMAQI
20th Jul 2025661 AMAQI
20th Jul 2025662 AMAQI
20th Jul 2025663 AMAQI
20th Jul 2025664 AMAQI
30°C25/36°C
20th Jul 2025665 AMAQI
20th Jul 2025666 AMAQI
20th Jul 2025667 AMAQI
20th Jul 2025468 AMAQI
20th Jul 2025269 AMAQI
20th Jul 20252510 AMAQI
20th Jul 20253211 AMAQI
20th Jul 20255012 PMAQI
20th Jul 2025521 PMAQI
20th Jul 2025492 PMAQI
20th Jul 2025503 PMAQI
20th Jul 2025524 PMAQI
20th Jul 2025515 PMAQI
20th Jul 2025526 PMAQI
20th Jul 2025567 PMAQI
20th Jul 2025648 PMAQI
20th Jul 2025649 PMAQI
20th Jul 20256610 PMAQI
20th Jul 20256611 PMAQI
21st Jul 20256612 AMAQI
21st Jul 2025661 AMAQI
21st Jul 2025662 AMAQI
21st Jul 2025653 AMAQI
21st Jul 2025644 AMAQI
24°C22/24°C
21st Jul 2025645 AMAQI
21st Jul 2025646 AMAQI
21st Jul 2025647 AMAQI
21st Jul 2025838 AMAQI
21st Jul 2025849 AMAQI
21st Jul 20256910 AMAQI
21st Jul 20255911 AMAQI
21st Jul 20255412 PMAQI
21st Jul 2025561 PMAQI
21st Jul 2025522 PMAQI
21st Jul 2025483 PMAQI
21st Jul 2025484 PMAQI
21st Jul 2025515 PMAQI
21st Jul 2025516 PMAQI
21st Jul 2025547 PMAQI
21st Jul 2025608 PMAQI
21st Jul 2025639 PMAQI
21st Jul 20256410 PMAQI
21st Jul 20256811 PMAQI
22nd Jul 20256712 AMAQI
22nd Jul 2025651 AMAQI
22nd Jul 2025652 AMAQI
22nd Jul 2025653 AMAQI
22nd Jul 2025654 AMAQI
29°C22/37°C
22nd Jul 2025645 AMAQI
22nd Jul 2025666 AMAQI
22nd Jul 2025657 AMAQI
22nd Jul 20251138 AMAQI
22nd Jul 20251389 AMAQI
22nd Jul 202511410 AMAQI
22nd Jul 202510811 AMAQI
22nd Jul 20258412 PMAQI
22nd Jul 2025751 PMAQI
22nd Jul 2025602 PMAQI
22nd Jul 2025583 PMAQI
22nd Jul 2025564 PMAQI
22nd Jul 2025585 PMAQI
22nd Jul 2025576 PMAQI
22nd Jul 2025627 PMAQI
22nd Jul 2025638 PMAQI
22nd Jul 2025669 PMAQI
22nd Jul 20256610 PMAQI
22nd Jul 20256611 PMAQI
23rd Jul 20256812 AMAQI
23rd Jul 2025651 AMAQI
23rd Jul 2025662 AMAQI
23rd Jul 2025673 AMAQI
23rd Jul 2025684 AMAQI
30°C23/36°C
23rd Jul 2025695 AMAQI
23rd Jul 2025686 AMAQI
23rd Jul 2025687 AMAQI
23rd Jul 2025898 AMAQI
23rd Jul 2025939 AMAQI
23rd Jul 20258610 AMAQI
23rd Jul 20257811 AMAQI
23rd Jul 20256712 PMAQI
23rd Jul 2025631 PMAQI
23rd Jul 2025592 PMAQI
23rd Jul 2025603 PMAQI
23rd Jul 2025584 PMAQI
23rd Jul 2025555 PMAQI
23rd Jul 2025566 PMAQI
23rd Jul 2025577 PMAQI
23rd Jul 2025628 PMAQI
23rd Jul 2025609 PMAQI
23rd Jul 20255910 PMAQI
23rd Jul 20256011 PMAQI
24th Jul 20256212 AMAQI
24th Jul 2025631 AMAQI
24th Jul 2025652 AMAQI
24th Jul 2025673 AMAQI
24th Jul 2025674 AMAQI
29°C24/35°C
24th Jul 2025675 AMAQI
24th Jul 2025676 AMAQI
24th Jul 2025677 AMAQI
24th Jul 2025578 AMAQI
24th Jul 2025549 AMAQI
24th Jul 20255810 AMAQI
24th Jul 20256111 AMAQI
24th Jul 20256312 PMAQI
24th Jul 2025691 PMAQI
24th Jul 2025722 PMAQI
24th Jul 2025733 PMAQI
24th Jul 2025744 PMAQI
24th Jul 2025675 PMAQI
24th Jul 2025666 PMAQI
24th Jul 2025607 PMAQI
24th Jul 2025628 PMAQI
24th Jul 2025609 PMAQI
24th Jul 20256010 PMAQI
24th Jul 20256011 PMAQI
25th Jul 20256212 AMAQI
25th Jul 2025641 AMAQI
25th Jul 2025642 AMAQI
25th Jul 2025643 AMAQI
25th Jul 2025644 AMAQI
28°C24/32°C
25th Jul 2025645 AMAQI
25th Jul 2025646 AMAQI
25th Jul 2025647 AMAQI
25th Jul 2025638 AMAQI
25th Jul 2025669 AMAQI
25th Jul 20256610 AMAQI
25th Jul 20256411 AMAQI
25th Jul 20256912 PMAQI
25th Jul 2025721 PMAQI
25th Jul 2025772 PMAQI
25th Jul 2025783 PMAQI
25th Jul 2025764 PMAQI
25th Jul 2025785 PMAQI
25th Jul 2025786 PMAQI
25th Jul 2025757 PMAQI
25th Jul 2025668 PMAQI
25th Jul 2025709 PMAQI
25th Jul 20256810 PMAQI
25th Jul 20256611 PMAQI
26th Jul 20256612 AMAQI
26th Jul 2025631 AMAQI
26th Jul 2025642 AMAQI
26th Jul 2025643 AMAQI
26th Jul 2025644 AMAQI
28°C25/32°C
26th Jul 2025645 AMAQI
26th Jul 2025636 AMAQI
26th Jul 2025637 AMAQI
26th Jul 2025878 AMAQI
26th Jul 2025899 AMAQI
26th Jul 20257610 AMAQI
26th Jul 20257711 AMAQI
26th Jul 20257412 PMAQI
26th Jul 2025741 PMAQI
26th Jul 2025762 PMAQI
26th Jul 2025743 PMAQI
26th Jul 2025674 PMAQI
26th Jul 2025645 PMAQI
26th Jul 2025636 PMAQI
26th Jul 2025657 PMAQI
26th Jul 2025648 PMAQI
26th Jul 2025659 PMAQI
26th Jul 20256410 PMAQI
26th Jul 20256411 PMAQI
27th Jul 20256412 AMAQI
27th Jul 2025631 AMAQI
27th Jul 2025642 AMAQI
27th Jul 2025643 AMAQI
27th Jul 2025654 AMAQI
30°C25/36°C
27th Jul 2025665 AMAQI
27th Jul 2025666 AMAQI
27th Jul 2025667 AMAQI
27th Jul 2025938 AMAQI
27th Jul 20251099 AMAQI
27th Jul 20258710 AMAQI
27th Jul 20257511 AMAQI
27th Jul 20256012 PMAQI
27th Jul 2025621 PMAQI
27th Jul 2025622 PMAQI
27th Jul 2025603 PMAQI
27th Jul 2025594 PMAQI
27th Jul 2025605 PMAQI
27th Jul 2025566 PMAQI
27th Jul 2025577 PMAQI
27th Jul 2025628 PMAQI
27th Jul 2025629 PMAQI
27th Jul 20256210 PMAQI
27th Jul 20256411 PMAQI
28th Jul 20256412 AMAQI
28th Jul 2025641 AMAQI
28th Jul 2025642 AMAQI
28th Jul 2025653 AMAQI
28th Jul 2025644 AMAQI
29°C26/33°C
28th Jul 2025655 AMAQI
28th Jul 2025646 AMAQI
28th Jul 2025667 AMAQI
28th Jul 2025608 AMAQI
28th Jul 2025509 AMAQI
28th Jul 20253810 AMAQI
28th Jul 20253311 AMAQI
28th Jul 20255312 PMAQI
28th Jul 2025541 PMAQI
28th Jul 2025562 PMAQI
28th Jul 2025573 PMAQI
28th Jul 2025604 PMAQI
28th Jul 2025605 PMAQI
28th Jul 2025606 PMAQI
28th Jul 2025647 PMAQI
28th Jul 2025648 PMAQI
28th Jul 2025639 PMAQI
28th Jul 20256410 PMAQI
28th Jul 20256411 PMAQI
29th Jul 20256612 AMAQI
29th Jul 2025641 AMAQI
29th Jul 2025632 AMAQI
29th Jul 2025643 AMAQI
29th Jul 2025634 AMAQI
28°C24/34°C
29th Jul 2025635 AMAQI
29th Jul 2025646 AMAQI
29th Jul 2025637 AMAQI
29th Jul 2025408 AMAQI
29th Jul 2025329 AMAQI
29th Jul 20252510 AMAQI
29th Jul 20252811 AMAQI
29th Jul 20253512 PMAQI
29th Jul 2025351 PMAQI
29th Jul 2025382 PMAQI
29th Jul 2025413 PMAQI
29th Jul 2025374 PMAQI
29th Jul 2025355 PMAQI
29th Jul 2025346 PMAQI
29th Jul 2025427 PMAQI
29th Jul 2025578 PMAQI
29th Jul 2025589 PMAQI
29th Jul 20256010 PMAQI
29th Jul 20256011 PMAQI
30th Jul 20256012 AMAQI
30th Jul 2025631 AMAQI
30th Jul 2025622 AMAQI
30th Jul 2025633 AMAQI
30th Jul 2025624 AMAQI
26°C24/30°C
30th Jul 2025615 AMAQI
30th Jul 2025626 AMAQI
30th Jul 2025617 AMAQI
30th Jul 2025498 AMAQI
30th Jul 2025389 AMAQI
30th Jul 20253610 AMAQI
30th Jul 20253111 AMAQI
30th Jul 20254412 PMAQI
30th Jul 2025421 PMAQI
30th Jul 2025432 PMAQI
30th Jul 2025383 PMAQI
30th Jul 2025394 PMAQI
30th Jul 2025415 PMAQI
30th Jul 2025406 PMAQI
30th Jul 2025497 PMAQI
30th Jul 2025588 PMAQI
30th Jul 2025589 PMAQI
30th Jul 20255910 PMAQI
30th Jul 20256011 PMAQI
31st Jul 20255912 AMAQI
31st Jul 2025601 AMAQI
31st Jul 2025612 AMAQI
31st Jul 2025613 AMAQI
31st Jul 2025614 AMAQI
27°C22/32°C
31st Jul 2025615 AMAQI
31st Jul 2025616 AMAQI
31st Jul 2025617 AMAQI
31st Jul 2025618 AMAQI
31st Jul 2025619 AMAQI
31st Jul 20257810 AMAQI
31st Jul 20256811 AMAQI
31st Jul 20256012 PMAQI
31st Jul 2025571 PMAQI
31st Jul 2025602 PMAQI
31st Jul 2025583 PMAQI
31st Jul 2025604 PMAQI
31st Jul 2025605 PMAQI
31st Jul 2025646 PMAQI
31st Jul 2025637 PMAQI
31st Jul 2025668 PMAQI
31st Jul 2025669 PMAQI
31st Jul 20256610 PMAQI
31st Jul 20256611 PMAQI
1st Aug 20256712 AMAQI
1st Aug 2025601 AMAQI
1st Aug 2025582 AMAQI
1st Aug 2025593 AMAQI
1st Aug 2025604 AMAQI
26°C22/30°C
1st Aug 2025605 AMAQI
1st Aug 2025606 AMAQI
1st Aug 2025597 AMAQI
1st Aug 2025768 AMAQI
1st Aug 2025689 AMAQI
1st Aug 20256710 AMAQI
1st Aug 20256011 AMAQI
1st Aug 20255812 PMAQI
1st Aug 2025641 PMAQI
1st Aug 2025722 PMAQI
1st Aug 2025753 PMAQI
1st Aug 2025764 PMAQI
1st Aug 2025835 PMAQI
1st Aug 2025706 PMAQI
1st Aug 2025707 PMAQI
1st Aug 2025688 PMAQI
1st Aug 2025709 PMAQI
1st Aug 20256810 PMAQI
1st Aug 20257111 PMAQI
2nd Aug 20256312 AMAQI
2nd Aug 2025591 AMAQI
2nd Aug 2025592 AMAQI
2nd Aug 2025603 AMAQI
2nd Aug 2025624 AMAQI
28°C23/33°C
2nd Aug 2025615 AMAQI
2nd Aug 2025616 AMAQI
2nd Aug 2025627 AMAQI
2nd Aug 2025768 AMAQI
2nd Aug 2025899 AMAQI
2nd Aug 20257810 AMAQI
2nd Aug 20256811 AMAQI
2nd Aug 20256312 PMAQI
2nd Aug 2025651 PMAQI
2nd Aug 2025612 PMAQI
2nd Aug 2025653 PMAQI
2nd Aug 2025644 PMAQI
2nd Aug 2025645 PMAQI
2nd Aug 2025706 PMAQI
2nd Aug 2025667 PMAQI
2nd Aug 2025688 PMAQI
2nd Aug 2025699 PMAQI
2nd Aug 20256510 PMAQI
2nd Aug 20256611 PMAQI
3rd Aug 20256512 AMAQI
3rd Aug 2025601 AMAQI
3rd Aug 2025602 AMAQI
3rd Aug 2025623 AMAQI
3rd Aug 2025634 AMAQI
29°C23/35°C
3rd Aug 2025635 AMAQI
5 AM3rd Aug 2025626 AMAQI
3rd Aug 2025637 AMAQI
3rd Aug 2025538 AMAQI
3rd Aug 2025569 AMAQI
3rd Aug 20255510 AMAQI
3rd Aug 20255411 AMAQI
3rd Aug 20255812 PMAQI
12 PM3rd Aug 2025531 PMAQI
3rd Aug 2025542 PMAQI
3rd Aug 2025563 PMAQI
3rd Aug 2025634 PMAQI
3rd Aug 2025665 PMAQI
3rd Aug 2025656 PMAQI
3rd Aug 2025647 PMAQI
7 PM3rd Aug 2025668 PMAQI
3rd Aug 2025659 PMAQI
3rd Aug 20256610 PMAQI
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
8 AM - 9 AM
75AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
11 AM - 7 PM
60AQI
9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 9 AM (Avg. 75), while the lowest AQI was between 11 AM to 7 PM (Avg. 60).
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
Dachang County Hui Nationality Second Primary School, Sanhe, Hebei, China
2025
5%
10
73%
157
18%
39
3%
7
0.4%
1
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
10 DaysModerate
157 DaysPoor
39 DaysUnhealthy
7 DaysSevere
1 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 5%
Health Risk Level:
Extreme
In 2025, 5% 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
Dachang County Hui Nationality Second Primary School, Sanhe, 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
85AQI
85AQI
2nd January 2025
64AQI
64AQI
3rd January 2025
76AQI
76AQI
4th January 2025
108AQI
108AQI
5th January 2025
85AQI
85AQI
6th January 2025
56AQI
56AQI
7th January 2025
56AQI
56AQI
8th January 2025
38AQI
38AQI
9th January 2025
42AQI
42AQI
10th January 2025
48AQI
48AQI
11th January 2025
66AQI
66AQI
12th January 2025
60AQI
60AQI
13th January 2025
93AQI
93AQI
14th January 2025
50AQI
50AQI
15th January 2025
66AQI
66AQI
16th January 2025
62AQI
62AQI
17th January 2025
104AQI
104AQI
18th January 2025
133AQI
133AQI
19th January 2025
75AQI
75AQI
20th January 2025
145AQI
145AQI
21st January 2025
86AQI
86AQI
22nd January 2025
122AQI
122AQI
23rd January 2025
131AQI
131AQI
24th January 2025
156AQI
156AQI
25th January 2025
164AQI
164AQI
26th January 2025
127AQI
127AQI
27th January 2025
73AQI
73AQI
28th January 2025
83AQI
83AQI
29th January 2025
157AQI
157AQI
30th January 2025
104AQI
104AQI
31st January 2025
150AQI
150AQI
1st February 2025
126AQI
126AQI
2nd February 2025
97AQI
97AQI
3rd February 2025
63AQI
63AQI
4th February 2025
61AQI
61AQI
5th February 2025
52AQI
52AQI
6th February 2025
58AQI
58AQI
7th February 2025
37AQI
37AQI
8th February 2025
44AQI
44AQI
9th February 2025
45AQI
45AQI
10th February 2025
116AQI
116AQI
11th February 2025
139AQI
139AQI
12th February 2025
76AQI
76AQI
13th February 2025
133AQI
133AQI
14th February 2025
108AQI
108AQI
15th February 2025
129AQI
129AQI
16th February 2025
60AQI
60AQI
17th February 2025
67AQI
67AQI
18th February 2025
66AQI
66AQI
19th February 2025
63AQI
63AQI
20th February 2025
61AQI
61AQI
21st February 2025
51AQI
51AQI
22nd February 2025
52AQI
52AQI
23rd February 2025
44AQI
44AQI
24th February 2025
78AQI
78AQI
25th February 2025
67AQI
67AQI
26th February 2025
96AQI
96AQI
27th February 2025
140AQI
140AQI
28th February 2025
159AQI
159AQI
1st March 2025
201AQI
201AQI
2nd March 2025
101AQI
101AQI
3rd March 2025
98AQI
98AQI
4th March 2025
100AQI
100AQI
5th March 2025
140AQI
140AQI
6th March 2025
63AQI
63AQI
7th March 2025
143AQI
143AQI
8th March 2025
137AQI
137AQI
9th March 2025
168AQI
168AQI
10th March 2025
168AQI
168AQI
11th March 2025
186AQI
186AQI
12th March 2025
89AQI
89AQI
13th March 2025
150AQI
150AQI
14th March 2025
95AQI
95AQI
15th March 2025
101AQI
101AQI
16th March 2025
63AQI
63AQI
17th March 2025
62AQI
62AQI
18th March 2025
60AQI
60AQI
19th March 2025
64AQI
64AQI
20th March 2025
52AQI
52AQI
21st March 2025
56AQI
56AQI
22nd March 2025
62AQI
62AQI
23rd March 2025
105AQI
105AQI
24th March 2025
57AQI
57AQI
25th March 2025
75AQI
75AQI
26th March 2025
101AQI
101AQI
27th March 2025
54AQI
54AQI
28th March 2025
70AQI
70AQI
29th March 2025
56AQI
56AQI
30th March 2025
70AQI
70AQI
31st March 2025
92AQI
92AQI
1st April 2025
69AQI
69AQI
2nd April 2025
63AQI
63AQI
3rd April 2025
91AQI
91AQI
4th April 2025
93AQI
93AQI
5th April 2025
60AQI
60AQI
6th April 2025
105AQI
105AQI
7th April 2025
83AQI
83AQI
8th April 2025
78AQI
78AQI
9th April 2025
82AQI
82AQI
10th April 2025
108AQI
108AQI
11th April 2025
125AQI
125AQI
12th April 2025
104AQI
104AQI
13th April 2025
93AQI
93AQI
14th April 2025
79AQI
79AQI
15th April 2025
82AQI
82AQI
16th April 2025
119AQI
119AQI
17th April 2025
87AQI
87AQI
18th April 2025
81AQI
81AQI
19th April 2025
83AQI
83AQI
20th April 2025
99AQI
99AQI
21st April 2025
124AQI
124AQI
22nd April 2025
71AQI
71AQI
23rd April 2025
89AQI
89AQI
24th April 2025
56AQI
56AQI
25th April 2025
79AQI
79AQI
26th April 2025
109AQI
109AQI
27th April 2025
65AQI
65AQI
28th April 2025
90AQI
90AQI
29th April 2025
85AQI
85AQI
30th April 2025
72AQI
72AQI
1st May 2025
67AQI
67AQI
2nd May 2025
72AQI
72AQI
3rd May 2025
57AQI
57AQI
4th May 2025
74AQI
74AQI
5th May 2025
85AQI
85AQI
6th May 2025
68AQI
68AQI
7th May 2025
97AQI
97AQI
8th May 2025
107AQI
107AQI
9th May 2025
71AQI
71AQI
10th May 2025
84AQI
84AQI
11th May 2025
93AQI
93AQI
12th May 2025
106AQI
106AQI
13th May 2025
96AQI
96AQI
14th May 2025
71AQI
71AQI
15th May 2025
75AQI
75AQI
16th May 2025
112AQI
112AQI
17th May 2025
70AQI
70AQI
18th May 2025
90AQI
90AQI
19th May 2025
90AQI
90AQI
20th May 2025
121AQI
121AQI
21st May 2025
99AQI
99AQI
22nd May 2025
113AQI
113AQI
23rd May 2025
92AQI
92AQI
24th May 2025
80AQI
80AQI
25th May 2025
87AQI
87AQI
26th May 2025
93AQI
93AQI
27th May 2025
89AQI
89AQI
28th May 2025
97AQI
97AQI
29th May 2025
98AQI
98AQI
30th May 2025
106AQI
106AQI
31st May 2025
113AQI
113AQI
1st June 2025
103AQI
103AQI
2nd June 2025
72AQI
72AQI
3rd June 2025
53AQI
53AQI
4th June 2025
56AQI
56AQI
5th June 2025
71AQI
71AQI
6th June 2025
59AQI
59AQI
7th June 2025
62AQI
62AQI
8th June 2025
68AQI
68AQI
9th June 2025
69AQI
69AQI
10th June 2025
60AQI
60AQI
11th June 2025
72AQI
72AQI
12th June 2025
80AQI
80AQI
13th June 2025
84AQI
84AQI
14th June 2025
81AQI
81AQI
15th June 2025
61AQI
61AQI
16th June 2025
52AQI
52AQI
17th June 2025
68AQI
68AQI
18th June 2025
74AQI
74AQI
19th June 2025
70AQI
70AQI
20th June 2025
57AQI
57AQI
21st June 2025
52AQI
52AQI
22nd June 2025
47AQI
47AQI
23rd June 2025
68AQI
68AQI
24th June 2025
75AQI
75AQI
25th June 2025
67AQI
67AQI
26th June 2025
74AQI
74AQI
27th June 2025
80AQI
80AQI
28th June 2025
74AQI
74AQI
29th June 2025
86AQI
86AQI
30th June 2025
77AQI
77AQI
1st July 2025
70AQI
70AQI
2nd July 2025
75AQI
75AQI
3rd July 2025
64AQI
64AQI
4th July 2025
69AQI
69AQI
5th July 2025
67AQI
67AQI
6th July 2025
57AQI
57AQI
7th July 2025
63AQI
63AQI
8th July 2025
66AQI
66AQI
9th July 2025
68AQI
68AQI
10th July 2025
70AQI
70AQI
11th July 2025
76AQI
76AQI
12th July 2025
75AQI
75AQI
13th July 2025
61AQI
61AQI
14th July 2025
63AQI
63AQI
15th July 2025
68AQI
68AQI
16th July 2025
64AQI
64AQI
17th July 2025
55AQI
55AQI
18th July 2025
63AQI
63AQI
19th July 2025
66AQI
66AQI
20th July 2025
57AQI
57AQI
21st July 2025
62AQI
62AQI
22nd July 2025
72AQI
72AQI
23rd July 2025
66AQI
66AQI
24th July 2025
64AQI
64AQI
25th July 2025
68AQI
68AQI
26th July 2025
68AQI
68AQI
27th July 2025
66AQI
66AQI
28th July 2025
60AQI
60AQI
29th July 2025
50AQI
50AQI
30th July 2025
52AQI
52AQI
31st July 2025
63AQI
63AQI
1st August 2025
66AQI
66AQI
2nd August 2025
63AQI
63AQI
92AQI
82AQI
98AQI
87AQI
89AQI
69AQI
65AQI
65AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202583AQI
4
15
9
3
4
16
7
1
19
8
3
1
23
7
24
7
1
28
1
1
30
2
10
157
39
7
1
Highest AQI recorded in
March98AQI
Lowest AQI recorded in
August65AQI
202472AQI
13
3
1
2
1
3
9
30
1
30
5
26
8
16
5
6
11
8
6
3
15
8
4
5
22
4
48
162
25
10
Highest AQI recorded in
October99AQI
Lowest AQI recorded in
February17AQI
202345AQI
3
18
12
1
21
12
1
Highest AQI recorded in
December47AQI
Lowest AQI recorded in
November22AQI
202281AQI
10
8
8
5
8
6
4
2
7
13
8
3
8
9
10
3
11
15
4
1
7
13
10
12
11
1
1
2
2
63
77
47
14
1
Highest AQI recorded in
August95AQI
Lowest AQI recorded in
July57AQI
202165AQI
11
10
8
2
4
9
7
5
3
3
5
10
11
2
5
15
4
1
1
5
16
8
2
6
11
13
16
11
4
31
30
31
15
8
5
2
11
12
6
2
168
97
65
23
6
2
Highest AQI recorded in
March152AQI
Lowest AQI recorded in
October1AQI
202088AQI
2
6
4
1
3
13
3
2
2
11
5
1
15
12
2
8
21
2
1
18
10
2
11
10
6
2
12
8
4
7
13
8
6
3
16
7
8
61
104
79
21
Highest AQI recorded in
July109AQI
Lowest AQI recorded in
December69AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
88AQILeast Polluted Year Recorded
2023(Avg.)
45AQIDachang County Hui Nationality Second Primary School's annual 2025 AQI (83) shows an average percentage change of 25.1% (worsened AQI) compared to previous years: 2020 (88), 2021 (65), 2022 (81), 2023 (45), 2024 (72).
