Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Sanhe City No 1 Middle 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

Sanhe City No 1 Middle School, Sanhe, Hebei, China

2021
2022
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
3rd Aug 2022
161AQI
Lowest AQI recorded on
1st Aug 2021
1AQI

Same Day Analysis (2nd August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 65 of Moderate air quality, showing improvement over 2022 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025

Sanhe City No 1 Middle School, Sanhe, Hebei, China

AQI
Day
Night
.

4 AM2nd Aug 2025

7 PM

3 AM3rd Aug 2025

Day time
Avg. Highest Time
9AM2nd Aug

89AQI

Avg. Lowest Time
2PM2nd Aug

61AQI

Night time
Avg. Highest Time
8PM2nd Aug

68AQI

Avg. Lowest Time
2AM3rd Aug

60AQI

In the last 24 hours,

Sanhe City No 1 Middle 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

Sanhe City No 1 Middle 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 2025674 AMAQI
4th Jul 2025685 AMAQI
4th Jul 2025676 AMAQI
4th Jul 2025677 AMAQI
4th Jul 2025948 AMAQI
4th Jul 20251009 AMAQI
4th Jul 20259210 AMAQI
4th Jul 20258711 AMAQI
4th Jul 20257112 PMAQI
4th Jul 2025671 PMAQI
4th Jul 2025642 PMAQI
4th Jul 2025613 PMAQI
4th Jul 2025604 PMAQI
4th Jul 2025605 PMAQI
4th Jul 2025586 PMAQI
4th Jul 2025627 PMAQI
4th Jul 2025688 PMAQI
4th Jul 2025699 PMAQI
4th Jul 20257210 PMAQI
4th Jul 20257111 PMAQI
5th Jul 20257212 AMAQI
5th Jul 2025691 AMAQI
5th Jul 2025682 AMAQI
5th Jul 2025683 AMAQI

29°C23/36°C

5th Jul 2025694 AMAQI
5th Jul 2025695 AMAQI
5th Jul 2025696 AMAQI
5th Jul 2025707 AMAQI
5th Jul 2025868 AMAQI
5th Jul 2025899 AMAQI
5th Jul 20257810 AMAQI
5th Jul 20257211 AMAQI
5th Jul 20257112 PMAQI
5th Jul 2025691 PMAQI
5th Jul 2025572 PMAQI
5th Jul 2025603 PMAQI
5th Jul 2025534 PMAQI
5th Jul 2025515 PMAQI
5th Jul 2025506 PMAQI
5th Jul 2025517 PMAQI
5th Jul 2025668 PMAQI
5th Jul 2025679 PMAQI
5th Jul 20256710 PMAQI
5th Jul 20256811 PMAQI
6th Jul 20256612 AMAQI
6th Jul 2025681 AMAQI
6th Jul 2025682 AMAQI
6th Jul 2025683 AMAQI

30°C25/37°C

6th Jul 2025684 AMAQI
6th Jul 2025685 AMAQI
6th Jul 2025696 AMAQI
6th Jul 2025697 AMAQI
6th Jul 2025498 AMAQI
6th Jul 2025309 AMAQI
6th Jul 20252810 AMAQI
6th Jul 20252411 AMAQI
6th Jul 20255112 PMAQI
6th Jul 2025501 PMAQI
6th Jul 2025502 PMAQI
6th Jul 2025513 PMAQI
6th Jul 2025484 PMAQI
6th Jul 2025525 PMAQI
6th Jul 2025526 PMAQI
6th Jul 2025547 PMAQI
6th Jul 2025648 PMAQI
6th Jul 2025659 PMAQI
6th Jul 20256410 PMAQI
6th Jul 20256511 PMAQI
7th Jul 20256612 AMAQI
7th Jul 2025661 AMAQI
7th Jul 2025662 AMAQI
7th Jul 2025663 AMAQI

29°C25/34°C

7th Jul 2025654 AMAQI
7th Jul 2025655 AMAQI
7th Jul 2025666 AMAQI
7th Jul 2025657 AMAQI
7th Jul 2025758 AMAQI
7th Jul 2025729 AMAQI
7th Jul 20255610 AMAQI
7th Jul 20255611 AMAQI
7th Jul 20255612 PMAQI
7th Jul 2025571 PMAQI
7th Jul 2025582 PMAQI
7th Jul 2025583 PMAQI
7th Jul 2025584 PMAQI
7th Jul 2025595 PMAQI
7th Jul 2025616 PMAQI
7th Jul 2025647 PMAQI
7th Jul 2025638 PMAQI
7th Jul 2025649 PMAQI
7th Jul 20256510 PMAQI
7th Jul 20256411 PMAQI
8th Jul 20256412 AMAQI
8th Jul 2025651 AMAQI
8th Jul 2025652 AMAQI
8th Jul 2025653 AMAQI

28°C23/35°C

8th Jul 2025644 AMAQI
8th Jul 2025645 AMAQI
8th Jul 2025646 AMAQI
8th Jul 2025647 AMAQI
8th Jul 2025678 AMAQI
8th Jul 2025759 AMAQI
8th Jul 20258010 AMAQI
8th Jul 20257211 AMAQI
8th Jul 20256812 PMAQI
8th Jul 2025701 PMAQI
8th Jul 2025672 PMAQI
8th Jul 2025643 PMAQI
8th Jul 2025664 PMAQI
8th Jul 2025665 PMAQI
8th Jul 2025676 PMAQI
8th Jul 2025677 PMAQI
8th Jul 2025648 PMAQI
8th Jul 2025659 PMAQI
8th Jul 20256610 PMAQI
8th Jul 20256711 PMAQI
9th Jul 20256612 AMAQI
9th Jul 2025641 AMAQI
9th Jul 2025642 AMAQI
9th Jul 2025643 AMAQI

28°C23/35°C

9th Jul 2025644 AMAQI
9th Jul 2025645 AMAQI
9th Jul 2025646 AMAQI
9th Jul 2025647 AMAQI
9th Jul 20251188 AMAQI
9th Jul 20251139 AMAQI
9th Jul 20259110 AMAQI
9th Jul 20257911 AMAQI
9th Jul 20256912 PMAQI
9th Jul 2025621 PMAQI
9th Jul 2025642 PMAQI
9th Jul 2025623 PMAQI
9th Jul 2025574 PMAQI
9th Jul 2025555 PMAQI
9th Jul 2025566 PMAQI
9th Jul 2025607 PMAQI
9th Jul 2025658 PMAQI
9th Jul 2025659 PMAQI
9th Jul 20256610 PMAQI
9th Jul 20256811 PMAQI
10th Jul 20256712 AMAQI
10th Jul 2025651 AMAQI
10th Jul 2025652 AMAQI
10th Jul 2025653 AMAQI

29°C23/35°C

10th Jul 2025674 AMAQI
10th Jul 2025665 AMAQI
10th Jul 2025666 AMAQI
10th Jul 2025667 AMAQI
10th Jul 2025868 AMAQI
10th Jul 2025949 AMAQI
10th Jul 20259310 AMAQI
10th Jul 20258811 AMAQI
10th Jul 20257312 PMAQI
10th Jul 2025711 PMAQI
10th Jul 2025722 PMAQI
10th Jul 2025653 PMAQI
10th Jul 2025644 PMAQI
10th Jul 2025645 PMAQI
10th Jul 2025706 PMAQI
10th Jul 2025707 PMAQI
10th Jul 2025668 PMAQI
10th Jul 2025689 PMAQI
10th Jul 20256810 PMAQI
10th Jul 20256811 PMAQI
11th Jul 20257012 AMAQI
11th Jul 2025651 AMAQI
11th Jul 2025652 AMAQI
11th Jul 2025673 AMAQI

29°C25/35°C

11th Jul 2025684 AMAQI
11th Jul 2025685 AMAQI
11th Jul 2025686 AMAQI
11th Jul 2025687 AMAQI
11th Jul 20251028 AMAQI
11th Jul 20251119 AMAQI
11th Jul 202510510 AMAQI
11th Jul 20259011 AMAQI
11th Jul 20257412 PMAQI
11th Jul 2025701 PMAQI
11th Jul 2025712 PMAQI
11th Jul 2025703 PMAQI
11th Jul 2025704 PMAQI
11th Jul 2025735 PMAQI
11th Jul 2025766 PMAQI
11th Jul 2025757 PMAQI
11th Jul 2025728 PMAQI
11th Jul 2025729 PMAQI
11th Jul 20257110 PMAQI
11th Jul 20257111 PMAQI
12th Jul 20257112 AMAQI
12th Jul 2025691 AMAQI
12th Jul 2025682 AMAQI
12th Jul 2025693 AMAQI

30°C24/37°C

12th Jul 2025704 AMAQI
12th Jul 2025705 AMAQI
12th Jul 2025706 AMAQI
12th Jul 2025697 AMAQI
12th Jul 20251048 AMAQI
12th Jul 20251149 AMAQI
12th Jul 202510110 AMAQI
12th Jul 20258411 AMAQI
12th Jul 20257512 PMAQI
12th Jul 2025791 PMAQI
12th Jul 2025762 PMAQI
12th Jul 2025763 PMAQI
12th Jul 2025794 PMAQI
12th Jul 2025805 PMAQI
12th Jul 2025736 PMAQI
12th Jul 2025677 PMAQI
12th Jul 2025688 PMAQI
12th Jul 2025689 PMAQI
12th Jul 20256910 PMAQI
12th Jul 20256911 PMAQI
13th Jul 20256812 AMAQI
13th Jul 2025701 AMAQI
13th Jul 2025692 AMAQI
13th Jul 2025703 AMAQI

30°C25/38°C

13th Jul 2025714 AMAQI
13th Jul 2025715 AMAQI
13th Jul 2025716 AMAQI
13th Jul 2025717 AMAQI
13th Jul 2025568 AMAQI
13th Jul 2025399 AMAQI
13th Jul 20253610 AMAQI
13th Jul 20253711 AMAQI
13th Jul 20255412 PMAQI
13th Jul 2025541 PMAQI
13th Jul 2025552 PMAQI
13th Jul 2025553 PMAQI
13th Jul 2025534 PMAQI
13th Jul 2025545 PMAQI
13th Jul 2025536 PMAQI
13th Jul 2025567 PMAQI
13th Jul 2025678 PMAQI
13th Jul 2025669 PMAQI
13th Jul 20256710 PMAQI
13th Jul 20256811 PMAQI
14th Jul 20256912 AMAQI
14th Jul 2025691 AMAQI
14th Jul 2025702 AMAQI
14th Jul 2025693 AMAQI

30°C23/37°C

14th Jul 2025684 AMAQI
14th Jul 2025685 AMAQI
14th Jul 2025686 AMAQI
14th Jul 2025697 AMAQI
14th Jul 2025528 AMAQI
14th Jul 2025459 AMAQI
14th Jul 20254110 AMAQI
14th Jul 20254211 AMAQI
14th Jul 20255212 PMAQI
14th Jul 2025531 PMAQI
14th Jul 2025542 PMAQI
14th Jul 2025553 PMAQI
14th Jul 2025584 PMAQI
14th Jul 2025625 PMAQI
14th Jul 2025646 PMAQI
14th Jul 2025647 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

30°C24/37°C

15th Jul 2025674 AMAQI
15th Jul 2025675 AMAQI
15th Jul 2025676 AMAQI
15th Jul 2025677 AMAQI
15th Jul 2025718 AMAQI
15th Jul 2025699 AMAQI
15th Jul 20256810 AMAQI
15th Jul 20256411 AMAQI
15th Jul 20256412 PMAQI
15th Jul 2025631 PMAQI
15th Jul 2025642 PMAQI
15th Jul 2025643 PMAQI
15th Jul 2025664 PMAQI
15th Jul 2025685 PMAQI
15th Jul 2025716 PMAQI
15th Jul 2025807 PMAQI
15th Jul 2025678 PMAQI
15th Jul 2025709 PMAQI
15th Jul 20257110 PMAQI
15th Jul 20257011 PMAQI
16th Jul 20256912 AMAQI
16th Jul 2025671 AMAQI
16th Jul 2025672 AMAQI
16th Jul 2025673 AMAQI

25°C19/28°C

16th Jul 2025674 AMAQI
16th Jul 2025675 AMAQI
16th Jul 2025686 AMAQI
16th Jul 2025687 AMAQI
16th Jul 2025828 AMAQI
16th Jul 2025789 AMAQI
16th Jul 20256810 AMAQI
16th Jul 20256411 AMAQI
16th Jul 20256212 PMAQI
16th Jul 2025591 PMAQI
16th Jul 2025582 PMAQI
16th Jul 2025533 PMAQI
16th Jul 2025544 PMAQI
16th Jul 2025525 PMAQI
16th Jul 2025506 PMAQI
16th Jul 2025517 PMAQI
16th Jul 2025648 PMAQI
16th Jul 2025669 PMAQI
16th Jul 20256510 PMAQI
16th Jul 20256611 PMAQI
17th Jul 20256612 AMAQI
17th Jul 2025671 AMAQI
17th Jul 2025672 AMAQI
17th Jul 2025673 AMAQI

26°C20/32°C

17th Jul 2025674 AMAQI
17th Jul 2025675 AMAQI
17th Jul 2025676 AMAQI
17th Jul 2025677 AMAQI
17th Jul 2025388 AMAQI
17th Jul 2025269 AMAQI
17th Jul 20252610 AMAQI
17th Jul 20252411 AMAQI
17th Jul 20255012 PMAQI
17th Jul 2025511 PMAQI
17th Jul 2025512 PMAQI
17th Jul 2025503 PMAQI
17th Jul 2025524 PMAQI
17th Jul 2025515 PMAQI
17th Jul 2025526 PMAQI
17th Jul 2025527 PMAQI
17th Jul 2025638 PMAQI
17th Jul 2025649 PMAQI
17th Jul 20256510 PMAQI
17th Jul 20256511 PMAQI
18th Jul 20256612 AMAQI
18th Jul 2025671 AMAQI
18th Jul 2025662 AMAQI
18th Jul 2025663 AMAQI

28°C21/37°C

18th Jul 2025664 AMAQI
18th Jul 2025665 AMAQI
18th Jul 2025666 AMAQI
18th Jul 2025667 AMAQI
18th Jul 2025588 AMAQI
18th Jul 2025539 AMAQI
18th Jul 20255210 AMAQI
18th Jul 20255311 AMAQI
18th Jul 20255712 PMAQI
18th Jul 2025581 PMAQI
18th Jul 2025572 PMAQI
18th Jul 2025583 PMAQI
18th Jul 2025584 PMAQI
18th Jul 2025585 PMAQI
18th Jul 2025586 PMAQI
18th Jul 2025617 PMAQI
18th Jul 2025648 PMAQI
18th Jul 2025679 PMAQI
18th Jul 20256810 PMAQI
18th Jul 20256811 PMAQI
19th Jul 20256712 AMAQI
19th Jul 2025651 AMAQI
19th Jul 2025652 AMAQI
19th Jul 2025653 AMAQI

30°C23/38°C

19th Jul 2025644 AMAQI
19th Jul 2025655 AMAQI
19th Jul 2025656 AMAQI
19th Jul 2025647 AMAQI
19th Jul 2025798 AMAQI
19th Jul 2025809 AMAQI
19th Jul 20258210 AMAQI
19th Jul 20257511 AMAQI
19th Jul 20257112 PMAQI
19th Jul 2025731 PMAQI
19th Jul 2025702 PMAQI
19th Jul 2025673 PMAQI
19th Jul 2025684 PMAQI
19th Jul 2025675 PMAQI
19th Jul 2025666 PMAQI
19th Jul 2025707 PMAQI
19th Jul 2025648 PMAQI
19th Jul 2025639 PMAQI
19th Jul 20256310 PMAQI
19th Jul 20256611 PMAQI
20th Jul 20256712 AMAQI
20th Jul 2025641 AMAQI
20th Jul 2025652 AMAQI
20th Jul 2025663 AMAQI

28°C23/36°C

20th Jul 2025664 AMAQI
20th Jul 2025665 AMAQI
20th Jul 2025666 AMAQI
20th Jul 2025667 AMAQI
20th Jul 2025448 AMAQI
20th Jul 2025239 AMAQI
20th Jul 20252610 AMAQI
20th Jul 20253211 AMAQI
20th Jul 20255212 PMAQI
20th Jul 2025521 PMAQI
20th Jul 2025512 PMAQI
20th Jul 2025523 PMAQI
20th Jul 2025524 PMAQI
20th Jul 2025545 PMAQI
20th Jul 2025536 PMAQI
20th Jul 2025567 PMAQI
20th Jul 2025648 PMAQI
20th Jul 2025649 PMAQI
20th Jul 20256610 PMAQI
20th Jul 20256711 PMAQI
21st Jul 20256712 AMAQI
21st Jul 2025661 AMAQI
21st Jul 2025662 AMAQI
21st Jul 2025663 AMAQI

23°C22/23°C

21st Jul 2025644 AMAQI
21st Jul 2025645 AMAQI
21st Jul 2025646 AMAQI
21st Jul 2025647 AMAQI
21st Jul 2025778 AMAQI
21st Jul 2025699 AMAQI
21st Jul 20256410 AMAQI
21st Jul 20255611 AMAQI
21st Jul 20255312 PMAQI
21st Jul 2025541 PMAQI
21st Jul 2025522 PMAQI
21st Jul 2025503 PMAQI
21st Jul 2025514 PMAQI
21st Jul 2025525 PMAQI
21st Jul 2025526 PMAQI
21st Jul 2025557 PMAQI
21st Jul 2025628 PMAQI
21st Jul 2025649 PMAQI
21st Jul 20256510 PMAQI
21st Jul 20256611 PMAQI
22nd Jul 20256812 AMAQI
22nd Jul 2025651 AMAQI
22nd Jul 2025662 AMAQI
22nd Jul 2025653 AMAQI

27°C21/35°C

22nd Jul 2025654 AMAQI
22nd Jul 2025645 AMAQI
22nd Jul 2025666 AMAQI
22nd Jul 2025647 AMAQI
22nd Jul 20251048 AMAQI
22nd Jul 20251249 AMAQI
22nd Jul 202510210 AMAQI
22nd Jul 20259011 AMAQI
22nd Jul 20258012 PMAQI
22nd Jul 2025761 PMAQI
22nd Jul 2025632 PMAQI
22nd Jul 2025583 PMAQI
22nd Jul 2025574 PMAQI
22nd Jul 2025585 PMAQI
22nd Jul 2025586 PMAQI
22nd Jul 2025597 PMAQI
22nd Jul 2025648 PMAQI
22nd Jul 2025669 PMAQI
22nd Jul 20256510 PMAQI
22nd Jul 20256511 PMAQI
23rd Jul 20256712 AMAQI
23rd Jul 2025651 AMAQI
23rd Jul 2025662 AMAQI
23rd Jul 2025663 AMAQI

29°C22/35°C

23rd Jul 2025684 AMAQI
23rd Jul 2025685 AMAQI
23rd Jul 2025686 AMAQI
23rd Jul 2025687 AMAQI
23rd Jul 2025918 AMAQI
23rd Jul 2025929 AMAQI
23rd Jul 20258710 AMAQI
23rd Jul 20258011 AMAQI
23rd Jul 20256712 PMAQI
23rd Jul 2025631 PMAQI
23rd Jul 2025602 PMAQI
23rd Jul 2025593 PMAQI
23rd Jul 2025574 PMAQI
23rd Jul 2025565 PMAQI
23rd Jul 2025566 PMAQI
23rd Jul 2025577 PMAQI
23rd Jul 2025628 PMAQI
23rd Jul 2025619 PMAQI
23rd Jul 20256010 PMAQI
23rd Jul 20256011 PMAQI
24th Jul 20256212 AMAQI
24th Jul 2025631 AMAQI
24th Jul 2025652 AMAQI
24th Jul 2025663 AMAQI

28°C23/34°C

24th Jul 2025664 AMAQI
24th Jul 2025665 AMAQI
24th Jul 2025676 AMAQI
24th Jul 2025667 AMAQI
24th Jul 2025578 AMAQI
24th Jul 2025559 AMAQI
24th Jul 20255810 AMAQI
24th Jul 20256211 AMAQI
24th Jul 20256412 PMAQI
24th Jul 2025681 PMAQI
24th Jul 2025722 PMAQI
24th Jul 2025723 PMAQI
24th Jul 2025724 PMAQI
24th Jul 2025675 PMAQI
24th Jul 2025666 PMAQI
24th Jul 2025627 PMAQI
24th Jul 2025618 PMAQI
24th Jul 2025609 PMAQI
24th Jul 20256010 PMAQI
24th Jul 20256211 PMAQI
25th Jul 20256212 AMAQI
25th Jul 2025641 AMAQI
25th Jul 2025642 AMAQI
25th Jul 2025643 AMAQI

27°C23/32°C

25th Jul 2025644 AMAQI
25th Jul 2025645 AMAQI
25th Jul 2025646 AMAQI
25th Jul 2025647 AMAQI
25th Jul 2025658 AMAQI
25th Jul 2025689 AMAQI
25th Jul 20256810 AMAQI
25th Jul 20256811 AMAQI
25th Jul 20256912 PMAQI
25th Jul 2025701 PMAQI
25th Jul 2025732 PMAQI
25th Jul 2025773 PMAQI
25th Jul 2025764 PMAQI
25th Jul 2025805 PMAQI
25th Jul 2025786 PMAQI
25th Jul 2025777 PMAQI
25th Jul 2025698 PMAQI
25th Jul 2025689 PMAQI
25th Jul 20256710 PMAQI
25th Jul 20256711 PMAQI
26th Jul 20256512 AMAQI
26th Jul 2025631 AMAQI
26th Jul 2025632 AMAQI
26th Jul 2025643 AMAQI

26°C23/32°C

26th Jul 2025634 AMAQI
26th Jul 2025645 AMAQI
26th Jul 2025636 AMAQI
26th Jul 2025637 AMAQI
26th Jul 2025838 AMAQI
26th Jul 2025879 AMAQI
26th Jul 20258010 AMAQI
26th Jul 20257911 AMAQI
26th Jul 20257612 PMAQI
26th Jul 2025721 PMAQI
26th Jul 2025732 PMAQI
26th Jul 2025693 PMAQI
26th Jul 2025624 PMAQI
26th Jul 2025625 PMAQI
26th Jul 2025606 PMAQI
26th Jul 2025657 PMAQI
26th Jul 2025648 PMAQI
26th Jul 2025649 PMAQI
26th Jul 20256410 PMAQI
26th Jul 20256311 PMAQI
27th Jul 20256412 AMAQI
27th Jul 2025631 AMAQI
27th Jul 2025642 AMAQI
27th Jul 2025643 AMAQI

29°C24/36°C

27th Jul 2025654 AMAQI
27th Jul 2025655 AMAQI
27th Jul 2025656 AMAQI
27th Jul 2025667 AMAQI
27th Jul 2025958 AMAQI
27th Jul 20251169 AMAQI
27th Jul 202510410 AMAQI
27th Jul 20257711 AMAQI
27th Jul 20256112 PMAQI
27th Jul 2025661 PMAQI
27th Jul 2025622 PMAQI
27th Jul 2025583 PMAQI
27th Jul 2025584 PMAQI
27th Jul 2025585 PMAQI
27th Jul 2025556 PMAQI
27th Jul 2025567 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 2025632 AMAQI
28th Jul 2025643 AMAQI

28°C24/33°C

28th Jul 2025644 AMAQI
28th Jul 2025655 AMAQI
28th Jul 2025646 AMAQI
28th Jul 2025667 AMAQI
28th Jul 2025528 AMAQI
28th Jul 2025309 AMAQI
28th Jul 20252410 AMAQI
28th Jul 20253011 AMAQI
28th Jul 20255312 PMAQI
28th Jul 2025541 PMAQI
28th Jul 2025562 PMAQI
28th Jul 2025563 PMAQI
28th Jul 2025564 PMAQI
28th Jul 2025575 PMAQI
28th Jul 2025626 PMAQI
28th Jul 2025657 PMAQI
28th Jul 2025658 PMAQI
28th Jul 2025639 PMAQI
28th Jul 20256310 PMAQI
28th Jul 20256311 PMAQI
29th Jul 20256212 AMAQI
29th Jul 2025641 AMAQI
29th Jul 2025632 AMAQI
29th Jul 2025633 AMAQI

27°C23/32°C

29th Jul 2025624 AMAQI
29th Jul 2025625 AMAQI
29th Jul 2025626 AMAQI
29th Jul 2025627 AMAQI
29th Jul 2025358 AMAQI
29th Jul 2025269 AMAQI
29th Jul 20252210 AMAQI
29th Jul 20252811 AMAQI
29th Jul 20253812 PMAQI
29th Jul 2025381 PMAQI
29th Jul 2025382 PMAQI
29th Jul 2025403 PMAQI
29th Jul 2025384 PMAQI
29th Jul 2025365 PMAQI
29th Jul 2025376 PMAQI
29th Jul 2025447 PMAQI
29th Jul 2025588 PMAQI
29th Jul 2025599 PMAQI
29th Jul 20256010 PMAQI
29th Jul 20256211 PMAQI
30th Jul 20256012 AMAQI
30th Jul 2025621 AMAQI
30th Jul 2025622 AMAQI
30th Jul 2025623 AMAQI

25°C22/29°C

30th Jul 2025614 AMAQI
30th Jul 2025615 AMAQI
30th Jul 2025626 AMAQI
30th Jul 2025617 AMAQI
30th Jul 2025468 AMAQI
30th Jul 2025399 AMAQI
30th Jul 20253210 AMAQI
30th Jul 20253211 AMAQI
30th Jul 20254312 PMAQI
30th Jul 2025441 PMAQI
30th Jul 2025422 PMAQI
30th Jul 2025383 PMAQI
30th Jul 2025404 PMAQI
30th Jul 2025435 PMAQI
30th Jul 2025426 PMAQI
30th Jul 2025497 PMAQI
30th Jul 2025588 PMAQI
30th Jul 2025599 PMAQI
30th Jul 20256010 PMAQI
30th Jul 20255911 PMAQI
31st Jul 20255812 AMAQI
31st Jul 2025611 AMAQI
31st Jul 2025612 AMAQI
31st Jul 2025613 AMAQI

26°C20/31°C

31st Jul 2025614 AMAQI
31st Jul 2025615 AMAQI
31st Jul 2025616 AMAQI
31st Jul 2025617 AMAQI
31st Jul 2025618 AMAQI
31st Jul 2025619 AMAQI
31st Jul 20257310 AMAQI
31st Jul 20257211 AMAQI
31st Jul 20256212 PMAQI
31st Jul 2025591 PMAQI
31st Jul 2025622 PMAQI
31st Jul 2025593 PMAQI
31st Jul 2025614 PMAQI
31st Jul 2025615 PMAQI
31st Jul 2025656 PMAQI
31st Jul 2025657 PMAQI
31st Jul 2025648 PMAQI
31st Jul 2025689 PMAQI
31st Jul 20256510 PMAQI
31st Jul 20256811 PMAQI
1st Aug 20256712 AMAQI
1st Aug 2025581 AMAQI
1st Aug 2025582 AMAQI
1st Aug 2025593 AMAQI

25°C21/29°C

1st Aug 2025604 AMAQI
1st Aug 2025605 AMAQI
1st Aug 2025596 AMAQI
1st Aug 2025587 AMAQI
1st Aug 2025758 AMAQI
1st Aug 2025709 AMAQI
1st Aug 20257010 AMAQI
1st Aug 20256611 AMAQI
1st Aug 20255812 PMAQI
1st Aug 2025681 PMAQI
1st Aug 2025702 PMAQI
1st Aug 2025773 PMAQI
1st Aug 2025754 PMAQI
1st Aug 2025815 PMAQI
1st Aug 2025706 PMAQI
1st Aug 2025727 PMAQI
1st Aug 2025678 PMAQI
1st Aug 2025719 PMAQI
1st Aug 20257010 PMAQI
1st Aug 20257311 PMAQI
2nd Aug 20256512 AMAQI
2nd Aug 2025581 AMAQI
2nd Aug 2025582 AMAQI
2nd Aug 2025613 AMAQI

27°C22/33°C

2nd Aug 2025624 AMAQI
2nd Aug 2025615 AMAQI
2nd Aug 2025616 AMAQI
2nd Aug 2025627 AMAQI
2nd Aug 2025838 AMAQI
2nd Aug 2025899 AMAQI
2nd Aug 20257810 AMAQI
2nd Aug 20257111 AMAQI
2nd Aug 20256312 PMAQI
2nd Aug 2025621 PMAQI
2nd Aug 2025612 PMAQI
2nd Aug 2025623 PMAQI
2nd Aug 2025634 PMAQI
2nd Aug 2025655 PMAQI
2nd Aug 2025696 PMAQI
2nd Aug 2025677 PMAQI
2nd Aug 2025688 PMAQI
2nd Aug 2025669 PMAQI
2nd Aug 20256510 PMAQI
2nd Aug 20256811 PMAQI
3rd Aug 20256412 AMAQI
3rd Aug 2025601 AMAQI
3rd Aug 2025602 AMAQI
3rd Aug 2025633 AMAQI

27°C22/34°C

3rd Aug 2025634 AMAQI
4 AM
3rd Aug 2025635 AMAQI
3rd Aug 2025636 AMAQI
3rd Aug 2025637 AMAQI
3rd Aug 2025518 AMAQI
3rd Aug 2025549 AMAQI
3rd Aug 20255110 AMAQI
3rd Aug 20255211 AMAQI
11 AM
3rd Aug 20255612 PMAQI
3rd Aug 2025521 PMAQI
7 PM
11 PM
3 AM

--°C/°C

Day time
Avg. Highest Time
8 AM - 9 AM

72AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
11 AM - 7 PM

61AQI

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. 72), while the lowest AQI was between 11 AM to 7 PM (Avg. 61).
Night time
Avg. Highest Time
12 AM - 11 PM

65AQI

8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM

65AQI

8 hours / Day
240 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

Sanhe City No 1 Middle School, Sanhe, Hebei, China

2025

5%

11

74%

159

17%

37

3%

6

0.4%

1

Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)

Good
11 Days
Moderate
159 Days
Poor
37 Days
Unhealthy
6 Days
Severe
1 Days
Hazardous
0 Days

Under 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

Sanhe City No 1 Middle 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
81AQI
2nd January 2025
60AQI
3rd January 2025
75AQI
4th January 2025
98AQI
5th January 2025
77AQI
6th January 2025
52AQI
7th January 2025
51AQI
8th January 2025
37AQI
9th January 2025
41AQI
10th January 2025
43AQI
11th January 2025
64AQI
12th January 2025
56AQI
13th January 2025
88AQI
14th January 2025
46AQI
15th January 2025
61AQI
16th January 2025
61AQI
17th January 2025
101AQI
18th January 2025
131AQI
19th January 2025
74AQI
20th January 2025
138AQI
21st January 2025
80AQI
22nd January 2025
119AQI
23rd January 2025
132AQI
24th January 2025
153AQI
25th January 2025
166AQI
26th January 2025
123AQI
27th January 2025
73AQI
28th January 2025
79AQI
29th January 2025
140AQI
30th January 2025
101AQI
31st January 2025
147AQI
1st February 2025
128AQI
2nd February 2025
96AQI
3rd February 2025
62AQI
4th February 2025
56AQI
5th February 2025
51AQI
6th February 2025
53AQI
7th February 2025
36AQI
8th February 2025
43AQI
9th February 2025
41AQI
10th February 2025
110AQI
11th February 2025
138AQI
12th February 2025
73AQI
13th February 2025
124AQI
14th February 2025
102AQI
15th February 2025
116AQI
16th February 2025
56AQI
17th February 2025
64AQI
18th February 2025
62AQI
19th February 2025
59AQI
20th February 2025
55AQI
21st February 2025
50AQI
22nd February 2025
51AQI
23rd February 2025
43AQI
24th February 2025
75AQI
25th February 2025
64AQI
26th February 2025
93AQI
27th February 2025
141AQI
28th February 2025
156AQI
1st March 2025
203AQI
2nd March 2025
101AQI
3rd March 2025
99AQI
4th March 2025
98AQI
5th March 2025
141AQI
6th March 2025
62AQI
7th March 2025
141AQI
8th March 2025
135AQI
9th March 2025
169AQI
10th March 2025
167AQI
11th March 2025
186AQI
12th March 2025
90AQI
13th March 2025
144AQI
14th March 2025
97AQI
15th March 2025
102AQI
16th March 2025
63AQI
17th March 2025
62AQI
18th March 2025
58AQI
19th March 2025
61AQI
20th March 2025
49AQI
21st March 2025
54AQI
22nd March 2025
61AQI
23rd March 2025
105AQI
24th March 2025
57AQI
25th March 2025
75AQI
26th March 2025
95AQI
27th March 2025
54AQI
28th March 2025
68AQI
29th March 2025
53AQI
30th March 2025
68AQI
31st March 2025
92AQI
1st April 2025
68AQI
2nd April 2025
61AQI
3rd April 2025
87AQI
4th April 2025
90AQI
5th April 2025
56AQI
6th April 2025
98AQI
7th April 2025
80AQI
8th April 2025
76AQI
9th April 2025
81AQI
10th April 2025
108AQI
11th April 2025
124AQI
12th April 2025
104AQI
13th April 2025
94AQI
14th April 2025
80AQI
15th April 2025
81AQI
16th April 2025
122AQI
17th April 2025
86AQI
18th April 2025
79AQI
19th April 2025
78AQI
20th April 2025
96AQI
21st April 2025
121AQI
22nd April 2025
65AQI
23rd April 2025
86AQI
24th April 2025
53AQI
25th April 2025
76AQI
26th April 2025
110AQI
27th April 2025
63AQI
28th April 2025
87AQI
29th April 2025
86AQI
30th April 2025
71AQI
1st May 2025
65AQI
2nd May 2025
69AQI
3rd May 2025
56AQI
4th May 2025
73AQI
5th May 2025
86AQI
6th May 2025
66AQI
7th May 2025
97AQI
8th May 2025
109AQI
9th May 2025
68AQI
10th May 2025
83AQI
11th May 2025
94AQI
12th May 2025
110AQI
13th May 2025
98AQI
14th May 2025
70AQI
15th May 2025
76AQI
16th May 2025
116AQI
17th May 2025
68AQI
18th May 2025
91AQI
19th May 2025
85AQI
20th May 2025
124AQI
21st May 2025
98AQI
22nd May 2025
119AQI
23rd May 2025
91AQI
24th May 2025
81AQI
25th May 2025
89AQI
26th May 2025
92AQI
27th May 2025
86AQI
28th May 2025
100AQI
29th May 2025
100AQI
30th May 2025
109AQI
31st May 2025
114AQI
1st June 2025
107AQI
2nd June 2025
70AQI
3rd June 2025
51AQI
4th June 2025
52AQI
5th June 2025
71AQI
6th June 2025
59AQI
7th June 2025
62AQI
8th June 2025
68AQI
9th June 2025
68AQI
10th June 2025
60AQI
11th June 2025
70AQI
12th June 2025
81AQI
13th June 2025
84AQI
14th June 2025
83AQI
15th June 2025
58AQI
16th June 2025
53AQI
17th June 2025
66AQI
18th June 2025
72AQI
19th June 2025
69AQI
20th June 2025
57AQI
21st June 2025
55AQI
22nd June 2025
54AQI
23rd June 2025
66AQI
24th June 2025
75AQI
25th June 2025
66AQI
26th June 2025
72AQI
27th June 2025
80AQI
28th June 2025
72AQI
29th June 2025
85AQI
30th June 2025
75AQI
1st July 2025
70AQI
2nd July 2025
73AQI
3rd July 2025
65AQI
4th July 2025
70AQI
5th July 2025
66AQI
6th July 2025
57AQI
7th July 2025
63AQI
8th July 2025
67AQI
9th July 2025
68AQI
10th July 2025
70AQI
11th July 2025
74AQI
12th July 2025
75AQI
13th July 2025
61AQI
14th July 2025
62AQI
15th July 2025
68AQI
16th July 2025
63AQI
17th July 2025
56AQI
18th July 2025
62AQI
19th July 2025
68AQI
20th July 2025
57AQI
21st July 2025
61AQI
22nd July 2025
70AQI
23rd July 2025
66AQI
24th July 2025
64AQI
25th July 2025
69AQI
26th July 2025
67AQI
27th July 2025
67AQI
28th July 2025
58AQI
29th July 2025
50AQI
30th July 2025
52AQI
31st July 2025
63AQI
1st August 2025
67AQI
2nd August 2025
65AQI

89AQI

79AQI

97AQI

86AQI

90AQI

69AQI

65AQI

66AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202582AQI

4
16
9
2
5
15
7
1
1
19
7
3
1
24
6
24
7
29
1
1
30
2
11
159
37
6
1

Highest AQI recorded in

March

97AQI

Lowest AQI recorded in

July

65AQI

202471AQI

11
5
1
1
3
9
30
31
4
27
8
17
4
7
11
9
4
4
15
9
2
6
22
3
45
167
25
6

Highest AQI recorded in

October

92AQI

Lowest AQI recorded in

April

28AQI

202349AQI

3
16
14
1
19
14
1

Highest AQI recorded in

December

52AQI

Lowest AQI recorded in

November

22AQI

202288AQI

8
10
6
7
7
7
5
1
3
14
10
4
4
10
11
5
6
14
10
1
3
20
7
10
13
2
2
1
1
41
90
52
19

Highest AQI recorded in

August

113AQI

Lowest AQI recorded in

July

64AQI

202172AQI

7
10
9
5
4
8
7
6
2
1
1
5
11
11
1
2
3
14
7
1
1
3
18
3
5
1
1
3
13
12
2
16
10
5
31
30
31
14
8
5
3
9
14
6
2
152
100
65
35
5
4

Highest AQI recorded in

March

161AQI

Lowest AQI recorded in

October

1AQI

202089AQI

2
6
4
1
3
11
6
1
5
7
5
1
15
14
1
15
14
2
5
21
5
7
12
8
2
7
8
9
7
9
9
7
5
8
13
9
1
46
117
81
21

Highest AQI recorded in

July

105AQI

Lowest AQI recorded in

August

77AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2020(Avg.)
89AQI
Least Polluted Year Recorded
2023(Avg.)
49AQI

Sanhe City No 1 Middle School's annual 2025 AQI (82) shows an average percentage change of 15.9% (worsened AQI) compared to previous years: 2020 (89), 2021 (72), 2022 (88), 2023 (49), 2024 (71).