Country Background

Nanzhao County Siyuan Experimental School, Nanyang, Henan, 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

Nanzhao County Siyuan Experimental School, Nanyang, Henan, China

2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
11th Aug 2024
117AQI
Lowest AQI recorded on
2nd Aug 2024
38AQI


Same Day Analysis (20th August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 53 of Moderate air quality, showing improvement over 2024 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 21st Aug - 22nd Aug 2025

Nanzhao County Siyuan Experimental School, Nanyang, Henan, China

AQI
Day
Night
.

5 AM21st Aug 2025

7 PM

4 AM22nd Aug 2025

Day time
Avg. Highest Time
7PM21st Aug

58AQI

Avg. Lowest Time
3PM21st Aug

49AQI

Night time
Avg. Highest Time
9PM21st Aug

60AQI

Avg. Lowest Time
4AM22nd Aug

56AQI

In the last 24 hours,

Nanzhao County Siyuan Experimental School's AQI reached its highest point of 60 at 9 PM during the Night, while the lowest point, 49, was recorded at 3 PM during the Day between 21st Aug and 22nd Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Nanzhao County Siyuan Experimental School, Nanyang, Henan, China

JulAug
23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd
Day
Night
23rd Jul 2025675 AMAQI
23rd Jul 2025676 AMAQI
23rd Jul 2025687 AMAQI
23rd Jul 2025388 AMAQI
23rd Jul 2025269 AMAQI
23rd Jul 20252510 AMAQI
23rd Jul 20252511 AMAQI
23rd Jul 20252812 PMAQI
23rd Jul 2025301 PMAQI
23rd Jul 2025272 PMAQI
23rd Jul 2025243 PMAQI
23rd Jul 2025214 PMAQI
23rd Jul 2025285 PMAQI
23rd Jul 2025256 PMAQI
23rd Jul 2025407 PMAQI
23rd Jul 2025558 PMAQI
23rd Jul 2025569 PMAQI
23rd Jul 20255610 PMAQI
23rd Jul 20255511 PMAQI
24th Jul 20255312 AMAQI
24th Jul 2025541 AMAQI
24th Jul 2025592 AMAQI
24th Jul 2025613 AMAQI
24th Jul 2025584 AMAQI

24°C20/26°C

24th Jul 2025585 AMAQI
24th Jul 2025586 AMAQI
24th Jul 2025587 AMAQI
24th Jul 2025548 AMAQI
24th Jul 2025479 AMAQI
24th Jul 20253810 AMAQI
24th Jul 20254011 AMAQI
24th Jul 20253512 PMAQI
24th Jul 2025331 PMAQI
24th Jul 2025412 PMAQI
24th Jul 2025433 PMAQI
24th Jul 2025344 PMAQI
24th Jul 2025345 PMAQI
24th Jul 2025306 PMAQI
24th Jul 2025377 PMAQI
24th Jul 2025528 PMAQI
24th Jul 2025539 PMAQI
24th Jul 20255310 PMAQI
24th Jul 20255411 PMAQI
25th Jul 20255612 AMAQI
25th Jul 2025571 AMAQI
25th Jul 2025582 AMAQI
25th Jul 2025563 AMAQI
25th Jul 2025564 AMAQI

25°C20/27°C

25th Jul 2025555 AMAQI
25th Jul 2025556 AMAQI
25th Jul 2025557 AMAQI
25th Jul 2025548 AMAQI
25th Jul 2025539 AMAQI
25th Jul 20255310 AMAQI
25th Jul 20255411 AMAQI
25th Jul 20255512 PMAQI
25th Jul 2025541 PMAQI
25th Jul 2025542 PMAQI
25th Jul 2025523 PMAQI
25th Jul 2025504 PMAQI
25th Jul 2025425 PMAQI
25th Jul 2025416 PMAQI
25th Jul 2025497 PMAQI
25th Jul 2025548 PMAQI
25th Jul 2025579 PMAQI
25th Jul 20255610 PMAQI
25th Jul 20255811 PMAQI
26th Jul 20255612 AMAQI
26th Jul 2025551 AMAQI
26th Jul 2025552 AMAQI
26th Jul 2025543 AMAQI
26th Jul 2025544 AMAQI

27°C21/31°C

26th Jul 2025555 AMAQI
26th Jul 2025556 AMAQI
26th Jul 2025547 AMAQI
26th Jul 2025608 AMAQI
26th Jul 2025619 AMAQI
26th Jul 20256010 AMAQI
26th Jul 20255811 AMAQI
26th Jul 20255612 PMAQI
26th Jul 2025571 PMAQI
26th Jul 2025582 PMAQI
26th Jul 2025593 PMAQI
26th Jul 2025584 PMAQI
26th Jul 2025605 PMAQI
26th Jul 2025586 PMAQI
26th Jul 2025607 PMAQI
26th Jul 2025598 PMAQI
26th Jul 2025599 PMAQI
26th Jul 20255710 PMAQI
26th Jul 20255711 PMAQI
27th Jul 20255712 AMAQI
27th Jul 2025561 AMAQI
27th Jul 2025552 AMAQI
27th Jul 2025563 AMAQI
27th Jul 2025564 AMAQI

28°C22/33°C

27th Jul 2025565 AMAQI
27th Jul 2025566 AMAQI
27th Jul 2025557 AMAQI
27th Jul 2025608 AMAQI
27th Jul 2025649 AMAQI
27th Jul 20256010 AMAQI
27th Jul 20255411 AMAQI
27th Jul 20255412 PMAQI
27th Jul 2025531 PMAQI
27th Jul 2025522 PMAQI
27th Jul 2025523 PMAQI
27th Jul 2025514 PMAQI
27th Jul 2025515 PMAQI
27th Jul 2025466 PMAQI
27th Jul 2025517 PMAQI
27th Jul 2025548 PMAQI
27th Jul 2025569 PMAQI
27th Jul 20255610 PMAQI
27th Jul 20255411 PMAQI
28th Jul 20255612 AMAQI
28th Jul 2025561 AMAQI
28th Jul 2025562 AMAQI
28th Jul 2025553 AMAQI
28th Jul 2025554 AMAQI

28°C23/33°C

28th Jul 2025565 AMAQI
28th Jul 2025556 AMAQI
28th Jul 2025557 AMAQI
28th Jul 2025608 AMAQI
28th Jul 2025629 AMAQI
28th Jul 20256110 AMAQI
28th Jul 20256011 AMAQI
28th Jul 20255712 PMAQI
28th Jul 2025541 PMAQI
28th Jul 2025532 PMAQI
28th Jul 2025533 PMAQI
28th Jul 2025504 PMAQI
28th Jul 2025515 PMAQI
28th Jul 2025486 PMAQI
28th Jul 2025467 PMAQI
28th Jul 2025538 PMAQI
28th Jul 2025549 PMAQI
28th Jul 20255510 PMAQI
28th Jul 20255411 PMAQI
29th Jul 20255312 AMAQI
29th Jul 2025541 AMAQI
29th Jul 2025562 AMAQI
29th Jul 2025563 AMAQI
29th Jul 2025554 AMAQI

28°C24/33°C

29th Jul 2025555 AMAQI
29th Jul 2025556 AMAQI
29th Jul 2025557 AMAQI
29th Jul 2025598 AMAQI
29th Jul 2025619 AMAQI
29th Jul 20255810 AMAQI
29th Jul 20255411 AMAQI
29th Jul 20255512 PMAQI
29th Jul 2025551 PMAQI
29th Jul 2025542 PMAQI
29th Jul 2025513 PMAQI
29th Jul 2025464 PMAQI
29th Jul 2025485 PMAQI
29th Jul 2025436 PMAQI
29th Jul 2025427 PMAQI
29th Jul 2025528 PMAQI
29th Jul 2025549 PMAQI
29th Jul 20255610 PMAQI
29th Jul 20255711 PMAQI
30th Jul 20255612 AMAQI
30th Jul 2025551 AMAQI
30th Jul 2025552 AMAQI
30th Jul 2025543 AMAQI
30th Jul 2025554 AMAQI

28°C21/33°C

30th Jul 2025555 AMAQI
30th Jul 2025556 AMAQI
30th Jul 2025557 AMAQI
30th Jul 2025638 AMAQI
30th Jul 2025639 AMAQI
30th Jul 20256610 AMAQI
30th Jul 20256211 AMAQI
30th Jul 20256112 PMAQI
30th Jul 2025601 PMAQI
30th Jul 2025582 PMAQI
30th Jul 2025563 PMAQI
30th Jul 2025554 PMAQI
30th Jul 2025545 PMAQI
30th Jul 2025536 PMAQI
30th Jul 2025547 PMAQI
30th Jul 2025598 PMAQI
30th Jul 2025619 PMAQI
30th Jul 20256010 PMAQI
30th Jul 20255811 PMAQI
31st Jul 20255712 AMAQI
31st Jul 2025551 AMAQI
31st Jul 2025552 AMAQI
31st Jul 2025553 AMAQI
31st Jul 2025554 AMAQI

27°C21/32°C

31st Jul 2025555 AMAQI
31st Jul 2025556 AMAQI
31st Jul 2025557 AMAQI
31st Jul 2025558 AMAQI
31st Jul 2025559 AMAQI
31st Jul 20256610 AMAQI
31st Jul 20257011 AMAQI
31st Jul 20257012 PMAQI
31st Jul 2025701 PMAQI
31st Jul 2025612 PMAQI
31st Jul 2025583 PMAQI
31st Jul 2025564 PMAQI
31st Jul 2025605 PMAQI
31st Jul 2025566 PMAQI
31st Jul 2025607 PMAQI
31st Jul 2025628 PMAQI
31st Jul 2025619 PMAQI
31st Jul 20256210 PMAQI
31st Jul 20256111 PMAQI
1st Aug 20256612 AMAQI
1st Aug 2025571 AMAQI
1st Aug 2025572 AMAQI
1st Aug 2025583 AMAQI
1st Aug 2025584 AMAQI

26°C20/30°C

1st Aug 2025585 AMAQI
1st Aug 2025586 AMAQI
1st Aug 2025577 AMAQI
1st Aug 2025658 AMAQI
1st Aug 2025649 AMAQI
1st Aug 20257110 AMAQI
1st Aug 20256911 AMAQI
1st Aug 20256512 PMAQI
1st Aug 2025671 PMAQI
1st Aug 2025642 PMAQI
1st Aug 2025643 PMAQI
1st Aug 2025644 PMAQI
1st Aug 2025605 PMAQI
1st Aug 2025656 PMAQI
1st Aug 2025627 PMAQI
1st Aug 2025618 PMAQI
1st Aug 2025619 PMAQI
1st Aug 20256110 PMAQI
1st Aug 20256511 PMAQI
2nd Aug 20256212 AMAQI
2nd Aug 2025581 AMAQI
2nd Aug 2025582 AMAQI
2nd Aug 2025593 AMAQI
2nd Aug 2025604 AMAQI

26°C19/31°C

2nd Aug 2025605 AMAQI
2nd Aug 2025606 AMAQI
2nd Aug 2025607 AMAQI
2nd Aug 2025768 AMAQI
2nd Aug 2025789 AMAQI
2nd Aug 20257010 AMAQI
2nd Aug 20256811 AMAQI
2nd Aug 20256812 PMAQI
2nd Aug 2025671 PMAQI
2nd Aug 2025662 PMAQI
2nd Aug 2025593 PMAQI
2nd Aug 2025544 PMAQI
2nd Aug 2025515 PMAQI
2nd Aug 2025526 PMAQI
2nd Aug 2025577 PMAQI
2nd Aug 2025608 PMAQI
2nd Aug 2025629 PMAQI
2nd Aug 20256310 PMAQI
2nd Aug 20256211 PMAQI
3rd Aug 20256112 AMAQI
3rd Aug 2025591 AMAQI
3rd Aug 2025592 AMAQI
3rd Aug 2025603 AMAQI
3rd Aug 2025614 AMAQI

27°C22/32°C

3rd Aug 2025615 AMAQI
3rd Aug 2025616 AMAQI
3rd Aug 2025627 AMAQI
3rd Aug 2025648 AMAQI
3rd Aug 2025679 AMAQI
3rd Aug 20257210 AMAQI
3rd Aug 20257411 AMAQI
3rd Aug 20256612 PMAQI
3rd Aug 2025651 PMAQI
3rd Aug 2025632 PMAQI
3rd Aug 2025603 PMAQI
3rd Aug 2025614 PMAQI
3rd Aug 2025595 PMAQI
3rd Aug 2025596 PMAQI
3rd Aug 2025607 PMAQI
3rd Aug 2025648 PMAQI
3rd Aug 2025669 PMAQI
3rd Aug 20256410 PMAQI
3rd Aug 20256811 PMAQI
4th Aug 20256412 AMAQI
4th Aug 2025631 AMAQI
4th Aug 2025622 AMAQI
4th Aug 2025613 AMAQI
4th Aug 2025624 AMAQI

28°C22/33°C

4th Aug 2025625 AMAQI
4th Aug 2025626 AMAQI
4th Aug 2025627 AMAQI
4th Aug 2025708 AMAQI
4th Aug 2025719 AMAQI
4th Aug 20257210 AMAQI
4th Aug 20257211 AMAQI
4th Aug 20257212 PMAQI
4th Aug 2025761 PMAQI
4th Aug 2025712 PMAQI
4th Aug 2025743 PMAQI
4th Aug 2025714 PMAQI
4th Aug 2025745 PMAQI
4th Aug 2025686 PMAQI
4th Aug 2025687 PMAQI
4th Aug 2025668 PMAQI
4th Aug 2025709 PMAQI
4th Aug 20257210 PMAQI
4th Aug 20257311 PMAQI
5th Aug 20257012 AMAQI
5th Aug 2025611 AMAQI
5th Aug 2025622 AMAQI
5th Aug 2025633 AMAQI
5th Aug 2025644 AMAQI

28°C23/31°C

5th Aug 2025655 AMAQI
5th Aug 2025646 AMAQI
5th Aug 2025657 AMAQI
5th Aug 2025728 AMAQI
5th Aug 2025769 AMAQI
5th Aug 20257410 AMAQI
5th Aug 20257511 AMAQI
5th Aug 20257612 PMAQI
5th Aug 2025751 PMAQI
5th Aug 2025722 PMAQI
5th Aug 2025733 PMAQI
5th Aug 2025704 PMAQI
5th Aug 2025665 PMAQI
5th Aug 2025626 PMAQI
5th Aug 2025687 PMAQI
5th Aug 2025678 PMAQI
5th Aug 2025669 PMAQI
5th Aug 20256410 PMAQI
5th Aug 20256411 PMAQI
6th Aug 20256512 AMAQI
6th Aug 2025641 AMAQI
6th Aug 2025642 AMAQI
6th Aug 2025663 AMAQI
6th Aug 2025664 AMAQI

27°C24/30°C

6th Aug 2025655 AMAQI
6th Aug 2025666 AMAQI
6th Aug 2025667 AMAQI
6th Aug 2025598 AMAQI
6th Aug 2025639 AMAQI
6th Aug 20256010 AMAQI
6th Aug 20256011 AMAQI
6th Aug 20255612 PMAQI
6th Aug 2025581 PMAQI
6th Aug 2025612 PMAQI
6th Aug 2025643 PMAQI
6th Aug 2025574 PMAQI
6th Aug 2025545 PMAQI
6th Aug 2025536 PMAQI
6th Aug 2025587 PMAQI
6th Aug 2025618 PMAQI
6th Aug 2025649 PMAQI
6th Aug 20256310 PMAQI
6th Aug 20256211 PMAQI
7th Aug 20256212 AMAQI
7th Aug 2025641 AMAQI
7th Aug 2025642 AMAQI
7th Aug 2025643 AMAQI
7th Aug 2025644 AMAQI

25°C23/25°C

7th Aug 2025645 AMAQI
7th Aug 2025646 AMAQI
7th Aug 2025647 AMAQI
7th Aug 2025568 AMAQI
7th Aug 2025509 AMAQI
7th Aug 20255510 AMAQI
7th Aug 20256011 AMAQI
7th Aug 20255812 PMAQI
7th Aug 2025581 PMAQI
7th Aug 2025562 PMAQI
7th Aug 2025563 PMAQI
7th Aug 2025584 PMAQI
7th Aug 2025615 PMAQI
7th Aug 2025536 PMAQI
7th Aug 2025567 PMAQI
7th Aug 2025598 PMAQI
7th Aug 2025599 PMAQI
7th Aug 20255810 PMAQI
7th Aug 20255911 PMAQI
8th Aug 20255812 AMAQI
8th Aug 2025631 AMAQI
8th Aug 2025642 AMAQI
8th Aug 2025633 AMAQI
8th Aug 2025614 AMAQI

25°C22/27°C

8th Aug 2025625 AMAQI
8th Aug 2025626 AMAQI
8th Aug 2025627 AMAQI
8th Aug 2025508 AMAQI
8th Aug 2025469 AMAQI
8th Aug 20255310 AMAQI
8th Aug 20255511 AMAQI
8th Aug 20255712 PMAQI
8th Aug 2025541 PMAQI
8th Aug 2025572 PMAQI
8th Aug 2025583 PMAQI
8th Aug 2025554 PMAQI
8th Aug 2025585 PMAQI
8th Aug 2025586 PMAQI
8th Aug 2025597 PMAQI
8th Aug 2025618 PMAQI
8th Aug 2025609 PMAQI
8th Aug 20256110 PMAQI
8th Aug 20255911 PMAQI
9th Aug 20255712 AMAQI
9th Aug 2025611 AMAQI
9th Aug 2025622 AMAQI
9th Aug 2025613 AMAQI
9th Aug 2025604 AMAQI

26°C21/29°C

9th Aug 2025605 AMAQI
9th Aug 2025606 AMAQI
9th Aug 2025607 AMAQI
9th Aug 2025558 AMAQI
9th Aug 2025509 AMAQI
9th Aug 20255310 AMAQI
9th Aug 20255411 AMAQI
9th Aug 20255612 PMAQI
9th Aug 2025521 PMAQI
9th Aug 2025432 PMAQI
9th Aug 2025343 PMAQI
9th Aug 2025344 PMAQI
9th Aug 2025325 PMAQI
9th Aug 2025376 PMAQI
9th Aug 2025437 PMAQI
9th Aug 2025568 PMAQI
9th Aug 2025559 PMAQI
9th Aug 20255510 PMAQI
9th Aug 20255411 PMAQI
10th Aug 20255612 AMAQI
10th Aug 2025591 AMAQI
10th Aug 2025602 AMAQI
10th Aug 2025603 AMAQI
10th Aug 2025584 AMAQI

23°C21/24°C

10th Aug 2025585 AMAQI
10th Aug 2025596 AMAQI
10th Aug 2025587 AMAQI
10th Aug 2025458 AMAQI
10th Aug 2025409 AMAQI
10th Aug 20254010 AMAQI
10th Aug 20255411 AMAQI
10th Aug 20255412 PMAQI
10th Aug 2025531 PMAQI
10th Aug 2025532 PMAQI
10th Aug 2025513 PMAQI
10th Aug 2025524 PMAQI
10th Aug 2025535 PMAQI
10th Aug 2025556 PMAQI
10th Aug 2025567 PMAQI
10th Aug 2025578 PMAQI
10th Aug 2025569 PMAQI
10th Aug 20255610 PMAQI
10th Aug 20255711 PMAQI
11th Aug 20255612 AMAQI
11th Aug 2025581 AMAQI
11th Aug 2025582 AMAQI
11th Aug 2025583 AMAQI
11th Aug 2025564 AMAQI

20°C16/21°C

11th Aug 2025565 AMAQI
11th Aug 2025556 AMAQI
11th Aug 2025567 AMAQI
11th Aug 2025438 AMAQI
11th Aug 2025409 AMAQI
11th Aug 20254810 AMAQI
11th Aug 20255611 AMAQI
11th Aug 20255912 PMAQI
11th Aug 2025601 PMAQI
11th Aug 2025492 PMAQI
11th Aug 2025463 PMAQI
11th Aug 2025414 PMAQI
11th Aug 2025465 PMAQI
11th Aug 2025446 PMAQI
11th Aug 2025477 PMAQI
11th Aug 2025568 PMAQI
11th Aug 2025569 PMAQI
11th Aug 20255810 PMAQI
11th Aug 20256111 PMAQI
12th Aug 20255812 AMAQI
12th Aug 2025571 AMAQI
12th Aug 2025572 AMAQI
12th Aug 2025563 AMAQI
12th Aug 2025554 AMAQI

23°C18/28°C

12th Aug 2025555 AMAQI
12th Aug 2025556 AMAQI
12th Aug 2025567 AMAQI
12th Aug 2025628 AMAQI
12th Aug 2025569 AMAQI
12th Aug 20256110 AMAQI
12th Aug 20255911 AMAQI
12th Aug 20256212 PMAQI
12th Aug 2025571 PMAQI
12th Aug 2025542 PMAQI
12th Aug 2025513 PMAQI
12th Aug 2025524 PMAQI
12th Aug 2025505 PMAQI
12th Aug 2025536 PMAQI
12th Aug 2025537 PMAQI
12th Aug 2025588 PMAQI
12th Aug 2025589 PMAQI
12th Aug 20255610 PMAQI
12th Aug 20255811 PMAQI
13th Aug 20255912 AMAQI
13th Aug 2025571 AMAQI
13th Aug 2025552 AMAQI
13th Aug 2025563 AMAQI
13th Aug 2025564 AMAQI

24°C18/28°C

13th Aug 2025565 AMAQI
13th Aug 2025576 AMAQI
13th Aug 2025567 AMAQI
13th Aug 2025558 AMAQI
13th Aug 2025569 AMAQI
13th Aug 20255610 AMAQI
13th Aug 20255511 AMAQI
13th Aug 20255212 PMAQI
13th Aug 2025551 PMAQI
13th Aug 2025592 PMAQI
13th Aug 2025523 PMAQI
13th Aug 2025594 PMAQI
13th Aug 2025595 PMAQI
13th Aug 2025586 PMAQI
13th Aug 2025567 PMAQI
13th Aug 2025648 PMAQI
13th Aug 2025639 PMAQI
13th Aug 20256110 PMAQI
13th Aug 20255911 PMAQI
14th Aug 20255812 AMAQI
14th Aug 2025571 AMAQI
14th Aug 2025562 AMAQI
14th Aug 2025543 AMAQI
14th Aug 2025544 AMAQI

24°C18/28°C

14th Aug 2025555 AMAQI
14th Aug 2025546 AMAQI
14th Aug 2025547 AMAQI
14th Aug 2025658 AMAQI
14th Aug 2025609 AMAQI
14th Aug 20256210 AMAQI
14th Aug 20256211 AMAQI
14th Aug 20255712 PMAQI
14th Aug 2025541 PMAQI
14th Aug 2025552 PMAQI
14th Aug 2025463 PMAQI
14th Aug 2025524 PMAQI
14th Aug 2025565 PMAQI
14th Aug 2025556 PMAQI
14th Aug 2025587 PMAQI
14th Aug 2025578 PMAQI
14th Aug 2025589 PMAQI
14th Aug 20256010 PMAQI
14th Aug 20255911 PMAQI
15th Aug 20255912 AMAQI
15th Aug 2025561 AMAQI
15th Aug 2025562 AMAQI
15th Aug 2025563 AMAQI
15th Aug 2025584 AMAQI

24°C21/28°C

15th Aug 2025565 AMAQI
15th Aug 2025576 AMAQI
15th Aug 2025577 AMAQI
15th Aug 2025658 AMAQI
15th Aug 2025699 AMAQI
15th Aug 20257010 AMAQI
15th Aug 20257011 AMAQI
15th Aug 20256212 PMAQI
15th Aug 2025621 PMAQI
15th Aug 2025642 PMAQI
15th Aug 2025503 PMAQI
15th Aug 2025474 PMAQI
15th Aug 2025565 PMAQI
15th Aug 2025526 PMAQI
15th Aug 2025567 PMAQI
15th Aug 2025558 PMAQI
15th Aug 2025569 PMAQI
15th Aug 20255810 PMAQI
15th Aug 20255711 PMAQI
16th Aug 20255612 AMAQI
16th Aug 2025571 AMAQI
16th Aug 2025562 AMAQI
16th Aug 2025583 AMAQI
16th Aug 2025584 AMAQI

25°C21/27°C

16th Aug 2025575 AMAQI
16th Aug 2025576 AMAQI
16th Aug 2025587 AMAQI
16th Aug 2025428 AMAQI
16th Aug 2025389 AMAQI
16th Aug 20254210 AMAQI
16th Aug 20254111 AMAQI
16th Aug 20254012 PMAQI
16th Aug 2025371 PMAQI
16th Aug 2025422 PMAQI
16th Aug 2025413 PMAQI
16th Aug 2025394 PMAQI
16th Aug 2025345 PMAQI
16th Aug 2025396 PMAQI
16th Aug 2025507 PMAQI
16th Aug 2025548 PMAQI
16th Aug 2025569 PMAQI
16th Aug 20255510 PMAQI
16th Aug 20255411 PMAQI
17th Aug 20255512 AMAQI
17th Aug 2025571 AMAQI
17th Aug 2025582 AMAQI
17th Aug 2025563 AMAQI
17th Aug 2025544 AMAQI

25°C19/28°C

17th Aug 2025545 AMAQI
17th Aug 2025556 AMAQI
17th Aug 2025557 AMAQI
17th Aug 2025548 AMAQI
17th Aug 2025509 AMAQI
17th Aug 20255810 AMAQI
17th Aug 20255611 AMAQI
17th Aug 20255312 PMAQI
17th Aug 2025521 PMAQI
17th Aug 2025522 PMAQI
17th Aug 2025473 PMAQI
17th Aug 2025364 PMAQI
17th Aug 2025415 PMAQI
17th Aug 2025446 PMAQI
17th Aug 2025547 PMAQI
17th Aug 2025558 PMAQI
17th Aug 2025599 PMAQI
17th Aug 20256010 PMAQI
17th Aug 20256011 PMAQI
18th Aug 20255812 AMAQI
18th Aug 2025551 AMAQI
18th Aug 2025552 AMAQI
18th Aug 2025553 AMAQI
18th Aug 2025544 AMAQI

26°C22/31°C

18th Aug 2025565 AMAQI
18th Aug 2025556 AMAQI
18th Aug 2025567 AMAQI
18th Aug 2025668 AMAQI
18th Aug 2025669 AMAQI
18th Aug 20256210 AMAQI
18th Aug 20256011 AMAQI
18th Aug 20255412 PMAQI
18th Aug 2025581 PMAQI
18th Aug 2025592 PMAQI
18th Aug 2025583 PMAQI
18th Aug 2025564 PMAQI
18th Aug 2025565 PMAQI
18th Aug 2025576 PMAQI
18th Aug 2025547 PMAQI
18th Aug 2025588 PMAQI
18th Aug 2025609 PMAQI
18th Aug 20256010 PMAQI
18th Aug 20255911 PMAQI
19th Aug 20255812 AMAQI
19th Aug 2025551 AMAQI
19th Aug 2025542 AMAQI
19th Aug 2025563 AMAQI
19th Aug 2025564 AMAQI

27°C22/31°C

19th Aug 2025575 AMAQI
19th Aug 2025566 AMAQI
19th Aug 2025567 AMAQI
19th Aug 2025688 AMAQI
19th Aug 2025649 AMAQI
19th Aug 20256610 AMAQI
19th Aug 20256011 AMAQI
19th Aug 20255912 PMAQI
19th Aug 2025561 PMAQI
19th Aug 2025582 PMAQI
19th Aug 2025543 PMAQI
19th Aug 2025554 PMAQI
19th Aug 2025555 PMAQI
19th Aug 2025556 PMAQI
19th Aug 2025587 PMAQI
19th Aug 2025608 PMAQI
19th Aug 2025629 PMAQI
19th Aug 20256010 PMAQI
19th Aug 20256011 PMAQI
20th Aug 20256012 AMAQI
20th Aug 2025571 AMAQI
20th Aug 2025572 AMAQI
20th Aug 2025563 AMAQI
20th Aug 2025574 AMAQI

27°C21/32°C

20th Aug 2025585 AMAQI
20th Aug 2025586 AMAQI
20th Aug 2025577 AMAQI
20th Aug 2025478 AMAQI
20th Aug 2025559 AMAQI
20th Aug 20255310 AMAQI
20th Aug 20255811 AMAQI
20th Aug 20255212 PMAQI
20th Aug 2025521 PMAQI
20th Aug 2025442 PMAQI
20th Aug 2025463 PMAQI
20th Aug 2025344 PMAQI
20th Aug 2025325 PMAQI
20th Aug 2025376 PMAQI
20th Aug 2025487 PMAQI
20th Aug 2025568 PMAQI
20th Aug 2025589 PMAQI
20th Aug 20255510 PMAQI
20th Aug 20255811 PMAQI
21st Aug 20255712 AMAQI
21st Aug 2025571 AMAQI
21st Aug 2025572 AMAQI
21st Aug 2025563 AMAQI
21st Aug 2025574 AMAQI

27°C23/32°C

21st Aug 2025565 AMAQI
21st Aug 2025556 AMAQI
21st Aug 2025567 AMAQI
21st Aug 2025518 AMAQI
21st Aug 2025509 AMAQI
21st Aug 20255410 AMAQI
21st Aug 20255211 AMAQI
21st Aug 20255212 PMAQI
21st Aug 2025551 PMAQI
21st Aug 2025542 PMAQI
21st Aug 2025493 PMAQI
21st Aug 2025534 PMAQI
21st Aug 2025545 PMAQI
21st Aug 2025546 PMAQI
21st Aug 2025587 PMAQI
21st Aug 2025568 PMAQI
21st Aug 2025609 PMAQI
21st Aug 20256010 PMAQI
21st Aug 20255811 PMAQI
22nd Aug 20255612 AMAQI
22nd Aug 2025571 AMAQI
22nd Aug 2025562 AMAQI
22nd Aug 2025563 AMAQI
22nd Aug 2025564 AMAQI

26°C22/30°C

22nd Aug 2025575 AMAQI
5 AM
22nd Aug 2025566 AMAQI
22nd Aug 2025567 AMAQI
22nd Aug 2025518 AMAQI
22nd Aug 2025609 AMAQI
12 PM
7 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 2 PM

57AQI

10 hours / Day
300 hours / Month
Avg. Lowest Time
4 PM - 6 PM

51AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 2 PM (Avg. 57), while the lowest AQI was between 4 PM to 6 PM (Avg. 51).
Night time
Avg. Highest Time
12 AM - 11 PM

58AQI

9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM

58AQI

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. 58), while the lowest AQI was between 12 AM to 11 PM (Avg. 58).

2025 Days Vs Air Quality

Nanzhao County Siyuan Experimental School, Nanyang, Henan, China

2025

3%

6

52%

121

34%

78

10%

24

1%

3

Total number of days with different AQI categories in last 234 days in 2025 (131 days remaining)

Good
6 Days
Moderate
121 Days
Poor
78 Days
Unhealthy
24 Days
Severe
3 Days
Hazardous
0 Days



Under WHO’s Safe Air Quality Limits: 3%

Health Risk Level:

Extreme

In 2025, 3% of 234 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

Nanzhao County Siyuan Experimental School, Nanyang, Henan, 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.

-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
173AQI
2nd January 2025
177AQI
3rd January 2025
179AQI
4th January 2025
190AQI
5th January 2025
153AQI
6th January 2025
131AQI
7th January 2025
128AQI
8th January 2025
118AQI
9th January 2025
111AQI
10th January 2025
132AQI
11th January 2025
119AQI
12th January 2025
115AQI
13th January 2025
146AQI
14th January 2025
109AQI
15th January 2025
101AQI
16th January 2025
120AQI
17th January 2025
127AQI
18th January 2025
152AQI
19th January 2025
158AQI
20th January 2025
166AQI
21st January 2025
177AQI
22nd January 2025
202AQI
23rd January 2025
172AQI
24th January 2025
161AQI
25th January 2025
133AQI
26th January 2025
100AQI
27th January 2025
98AQI
28th January 2025
136AQI
29th January 2025
201AQI
30th January 2025
175AQI
31st January 2025
177AQI
1st February 2025
162AQI
2nd February 2025
166AQI
3rd February 2025
137AQI
4th February 2025
120AQI
5th February 2025
97AQI
6th February 2025
97AQI
7th February 2025
86AQI
8th February 2025
79AQI
9th February 2025
102AQI
10th February 2025
124AQI
11th February 2025
144AQI
12th February 2025
113AQI
13th February 2025
136AQI
14th February 2025
137AQI
15th February 2025
137AQI
16th February 2025
117AQI
17th February 2025
120AQI
18th February 2025
123AQI
19th February 2025
146AQI
20th February 2025
147AQI
21st February 2025
161AQI
22nd February 2025
162AQI
23rd February 2025
163AQI
24th February 2025
159AQI
25th February 2025
151AQI
26th February 2025
149AQI
27th February 2025
151AQI
28th February 2025
157AQI
1st March 2025
142AQI
2nd March 2025
90AQI
3rd March 2025
90AQI
4th March 2025
92AQI
5th March 2025
112AQI
6th March 2025
132AQI
7th March 2025
137AQI
8th March 2025
140AQI
9th March 2025
145AQI
10th March 2025
136AQI
11th March 2025
150AQI
12th March 2025
142AQI
13th March 2025
155AQI
14th March 2025
106AQI
15th March 2025
111AQI
16th March 2025
79AQI
17th March 2025
80AQI
18th March 2025
74AQI
19th March 2025
76AQI
20th March 2025
70AQI
21st March 2025
79AQI
22nd March 2025
83AQI
23rd March 2025
99AQI
24th March 2025
108AQI
25th March 2025
95AQI
26th March 2025
121AQI
27th March 2025
121AQI
28th March 2025
128AQI
29th March 2025
101AQI
30th March 2025
104AQI
31st March 2025
102AQI
1st April 2025
106AQI
2nd April 2025
81AQI
3rd April 2025
99AQI
4th April 2025
119AQI
5th April 2025
102AQI
6th April 2025
113AQI
7th April 2025
108AQI
8th April 2025
117AQI
9th April 2025
125AQI
10th April 2025
123AQI
11th April 2025
115AQI
12th April 2025
202AQI
13th April 2025
125AQI
14th April 2025
96AQI
15th April 2025
94AQI
16th April 2025
104AQI
17th April 2025
115AQI
18th April 2025
119AQI
19th April 2025
111AQI
20th April 2025
103AQI
21st April 2025
95AQI
22nd April 2025
132AQI
23rd April 2025
124AQI
24th April 2025
100AQI
25th April 2025
105AQI
26th April 2025
93AQI
27th April 2025
93AQI
28th April 2025
77AQI
29th April 2025
79AQI
30th April 2025
88AQI
1st May 2025
93AQI
2nd May 2025
96AQI
3rd May 2025
77AQI
4th May 2025
84AQI
5th May 2025
104AQI
6th May 2025
177AQI
7th May 2025
146AQI
8th May 2025
133AQI
9th May 2025
110AQI
10th May 2025
94AQI
11th May 2025
87AQI
12th May 2025
91AQI
13th May 2025
99AQI
14th May 2025
85AQI
15th May 2025
98AQI
16th May 2025
91AQI
17th May 2025
127AQI
18th May 2025
116AQI
19th May 2025
128AQI
20th May 2025
109AQI
21st May 2025
112AQI
22nd May 2025
102AQI
23rd May 2025
106AQI
24th May 2025
101AQI
25th May 2025
97AQI
26th May 2025
89AQI
27th May 2025
103AQI
28th May 2025
96AQI
29th May 2025
97AQI
30th May 2025
86AQI
31st May 2025
76AQI
1st June 2025
80AQI
2nd June 2025
80AQI
3rd June 2025
81AQI
4th June 2025
80AQI
5th June 2025
77AQI
6th June 2025
77AQI
7th June 2025
73AQI
8th June 2025
72AQI
9th June 2025
71AQI
10th June 2025
74AQI
11th June 2025
72AQI
12th June 2025
74AQI
13th June 2025
74AQI
14th June 2025
68AQI
15th June 2025
68AQI
16th June 2025
69AQI
17th June 2025
71AQI
18th June 2025
64AQI
19th June 2025
52AQI
20th June 2025
62AQI
21st June 2025
67AQI
22nd June 2025
68AQI
23rd June 2025
65AQI
24th June 2025
66AQI
25th June 2025
66AQI
26th June 2025
59AQI
27th June 2025
57AQI
28th June 2025
57AQI
29th June 2025
53AQI
30th June 2025
55AQI
1st July 2025
49AQI
2nd July 2025
45AQI
3rd July 2025
47AQI
4th July 2025
51AQI
5th July 2025
51AQI
6th July 2025
52AQI
7th July 2025
54AQI
8th July 2025
62AQI
9th July 2025
59AQI
10th July 2025
62AQI
11th July 2025
75AQI
12th July 2025
77AQI
13th July 2025
68AQI
14th July 2025
64AQI
15th July 2025
65AQI
16th July 2025
71AQI
17th July 2025
64AQI
18th July 2025
65AQI
19th July 2025
67AQI
20th July 2025
63AQI
21st July 2025
62AQI
22nd July 2025
65AQI
23rd July 2025
47AQI
24th July 2025
48AQI
25th July 2025
53AQI
26th July 2025
57AQI
27th July 2025
55AQI
28th July 2025
54AQI
29th July 2025
53AQI
30th July 2025
57AQI
31st July 2025
59AQI
1st August 2025
62AQI
2nd August 2025
61AQI
3rd August 2025
63AQI
4th August 2025
68AQI
5th August 2025
67AQI
6th August 2025
62AQI
7th August 2025
60AQI
8th August 2025
59AQI
9th August 2025
52AQI
10th August 2025
55AQI
11th August 2025
53AQI
12th August 2025
56AQI
13th August 2025
57AQI
14th August 2025
57AQI
15th August 2025
58AQI
16th August 2025
49AQI
17th August 2025
54AQI
18th August 2025
57AQI
19th August 2025
58AQI
20th August 2025
53AQI
21st August 2025
22nd August 2025
23rd August 2025
24th August 2025
25th August 2025
26th August 2025
27th August 2025
28th August 2025
29th August 2025
30th August 2025
31st August 2025
1st September 2025
2nd September 2025
3rd September 2025
4th September 2025
5th September 2025
6th September 2025
7th September 2025
8th September 2025
9th September 2025
10th September 2025
11th September 2025
12th September 2025
13th September 2025
14th September 2025
15th September 2025
16th September 2025
17th September 2025
18th September 2025
19th September 2025
20th September 2025
21st September 2025
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025

146AQI

134AQI

110AQI

109AQI

104AQI

68AQI

59AQI

58AQI


No. of days

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

2025100AQI

2
14
13
2
4
15
9
12
18
1
11
18
1
17
13
1
30
5
26
1
19
6
121
78
24
3

Highest AQI recorded in

January

146AQI


Lowest AQI recorded in

August

58AQI


202498AQI

6
10
2
4
3
11
1
30
4
27
8
22
1
2
17
9
1
1
7
14
9
1
12
13
4
1
21
9
16
127
74
33

Highest AQI recorded in

January

152AQI


Lowest AQI recorded in

July

57AQI


2023128AQI

1
2
6
14
11
7
16
11

Highest AQI recorded in

December

131AQI


Lowest AQI recorded in

November

103AQI


2021143AQI

2
13
11
5
5
13
7
1
3
8
29
18
5

Highest AQI recorded in

January

157AQI


Lowest AQI recorded in

March

108AQI


202093AQI

1
9
9
22
5
19
1
3
19
9
1
13
13
3
3
5
21
2
19
85
28
24
2

Highest AQI recorded in

December

156AQI


Lowest AQI recorded in

August

57AQI


Most & Least Polluted Years Over the Last 5 Years

Most Polluted Year Recorded
2021(Avg.)
143AQI
Least Polluted Year Recorded
2020(Avg.)
93AQI


Nanzhao County Siyuan Experimental School's annual 2025 AQI (100) shows an average percentage change of -10.8% (improved AQI) compared to previous years: 2020 (93), 2021 (143), 2023 (128), 2024 (98).