Water Supply Company, Zhengzhou, 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
Water Supply Company, Zhengzhou, Henan, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
24th Aug 2024
117AQILowest AQI recorded on
27th Aug 2024
17AQISame Day Analysis (5th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 70 of Moderate air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Water Supply Company, Zhengzhou, Henan, China
AQI
Day
Night
.
5 AM6th Aug 2025
7 PM
4 AM7th Aug 2025
Day time
Avg. Highest Time
11AM6th Aug
74AQI
Avg. Lowest Time
6PM6th Aug
60AQI
Night time
Avg. Highest Time
10PM6th Aug
68AQI
Avg. Lowest Time
8PM6th Aug
62AQI
In the last 24 hours,
Water Supply Company's AQI reached its highest point of 74 at 11 AM during the Day, while the lowest point, 60, was recorded at 6 PM during the Day between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Water Supply Company, Zhengzhou, Henan, China
JulAug
08th - 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 - 06th06th - 07th07th
Day
Night
8th Jul 2025575 AMAQI
8th Jul 2025596 AMAQI
8th Jul 2025587 AMAQI
8th Jul 2025548 AMAQI
8th Jul 2025549 AMAQI
8th Jul 20255510 AMAQI
8th Jul 20255711 AMAQI
8th Jul 20255612 PMAQI
8th Jul 2025561 PMAQI
8th Jul 2025562 PMAQI
8th Jul 2025563 PMAQI
8th Jul 2025564 PMAQI
8th Jul 2025565 PMAQI
8th Jul 2025666 PMAQI
8th Jul 2025707 PMAQI
8th Jul 2025628 PMAQI
8th Jul 2025579 PMAQI
8th Jul 20255710 PMAQI
8th Jul 20256211 PMAQI
9th Jul 20256412 AMAQI
9th Jul 2025581 AMAQI
9th Jul 2025582 AMAQI
9th Jul 2025583 AMAQI
9th Jul 2025584 AMAQI
30°C26/36°C
9th Jul 2025585 AMAQI
9th Jul 2025586 AMAQI
9th Jul 2025587 AMAQI
9th Jul 2025748 AMAQI
9th Jul 2025789 AMAQI
9th Jul 20257510 AMAQI
9th Jul 20257111 AMAQI
9th Jul 20257012 PMAQI
9th Jul 2025631 PMAQI
9th Jul 2025602 PMAQI
9th Jul 2025673 PMAQI
9th Jul 2025564 PMAQI
9th Jul 2025585 PMAQI
9th Jul 2025706 PMAQI
9th Jul 2025647 PMAQI
9th Jul 2025648 PMAQI
9th Jul 2025649 PMAQI
9th Jul 20256510 PMAQI
9th Jul 20256511 PMAQI
10th Jul 20256412 AMAQI
10th Jul 2025601 AMAQI
10th Jul 2025592 AMAQI
10th Jul 2025603 AMAQI
10th Jul 2025624 AMAQI
30°C26/34°C
10th Jul 2025615 AMAQI
10th Jul 2025616 AMAQI
10th Jul 2025617 AMAQI
10th Jul 2025748 AMAQI
10th Jul 2025799 AMAQI
10th Jul 20258210 AMAQI
10th Jul 20258311 AMAQI
10th Jul 20258112 PMAQI
10th Jul 2025801 PMAQI
10th Jul 2025802 PMAQI
10th Jul 2025783 PMAQI
10th Jul 2025784 PMAQI
10th Jul 2025805 PMAQI
10th Jul 2025776 PMAQI
10th Jul 2025767 PMAQI
10th Jul 2025708 PMAQI
10th Jul 2025709 PMAQI
10th Jul 20257010 PMAQI
10th Jul 20257111 PMAQI
11th Jul 20257212 AMAQI
11th Jul 2025621 AMAQI
11th Jul 2025612 AMAQI
11th Jul 2025633 AMAQI
11th Jul 2025664 AMAQI
32°C27/36°C
11th Jul 2025665 AMAQI
11th Jul 2025666 AMAQI
11th Jul 2025657 AMAQI
11th Jul 2025878 AMAQI
11th Jul 2025929 AMAQI
11th Jul 20259210 AMAQI
11th Jul 20259811 AMAQI
11th Jul 20258812 PMAQI
11th Jul 2025921 PMAQI
11th Jul 2025852 PMAQI
11th Jul 2025843 PMAQI
11th Jul 2025824 PMAQI
11th Jul 2025845 PMAQI
11th Jul 2025836 PMAQI
11th Jul 2025797 PMAQI
11th Jul 2025748 PMAQI
11th Jul 2025759 PMAQI
11th Jul 20257510 PMAQI
11th Jul 20257511 PMAQI
12th Jul 20257512 AMAQI
12th Jul 2025681 AMAQI
12th Jul 2025662 AMAQI
12th Jul 2025683 AMAQI
12th Jul 2025714 AMAQI
33°C27/38°C
12th Jul 2025715 AMAQI
12th Jul 2025716 AMAQI
12th Jul 2025727 AMAQI
12th Jul 2025908 AMAQI
12th Jul 2025909 AMAQI
12th Jul 20258710 AMAQI
12th Jul 20258611 AMAQI
12th Jul 20258612 PMAQI
12th Jul 2025861 PMAQI
12th Jul 2025822 PMAQI
12th Jul 2025813 PMAQI
12th Jul 2025804 PMAQI
12th Jul 2025805 PMAQI
12th Jul 2025826 PMAQI
12th Jul 2025737 PMAQI
12th Jul 2025708 PMAQI
12th Jul 2025709 PMAQI
12th Jul 20257110 PMAQI
12th Jul 20257011 PMAQI
13th Jul 20257012 AMAQI
13th Jul 2025701 AMAQI
13th Jul 2025702 AMAQI
13th Jul 2025723 AMAQI
13th Jul 2025744 AMAQI
33°C28/38°C
13th Jul 2025745 AMAQI
13th Jul 2025736 AMAQI
13th Jul 2025747 AMAQI
13th Jul 2025768 AMAQI
13th Jul 2025789 AMAQI
13th Jul 20257610 AMAQI
13th Jul 20257411 AMAQI
13th Jul 20257412 PMAQI
13th Jul 2025741 PMAQI
13th Jul 2025742 PMAQI
13th Jul 2025713 PMAQI
13th Jul 2025714 PMAQI
13th Jul 2025745 PMAQI
13th Jul 2025736 PMAQI
13th Jul 2025717 PMAQI
13th Jul 2025688 PMAQI
13th Jul 2025689 PMAQI
13th Jul 20256910 PMAQI
13th Jul 20256911 PMAQI
14th Jul 20257012 AMAQI
14th Jul 2025721 AMAQI
14th Jul 2025722 AMAQI
14th Jul 2025733 AMAQI
14th Jul 2025744 AMAQI
35°C29/40°C
14th Jul 2025735 AMAQI
14th Jul 2025736 AMAQI
14th Jul 2025737 AMAQI
14th Jul 2025728 AMAQI
14th Jul 2025709 AMAQI
14th Jul 20257110 AMAQI
14th Jul 20256811 AMAQI
14th Jul 20256912 PMAQI
14th Jul 2025681 PMAQI
14th Jul 2025682 PMAQI
14th Jul 2025703 PMAQI
14th Jul 2025714 PMAQI
14th Jul 2025695 PMAQI
14th Jul 2025706 PMAQI
14th Jul 2025707 PMAQI
14th Jul 2025708 PMAQI
14th Jul 2025719 PMAQI
14th Jul 20257210 PMAQI
14th Jul 20257511 PMAQI
15th Jul 20257712 AMAQI
15th Jul 2025741 AMAQI
15th Jul 2025722 AMAQI
15th Jul 2025723 AMAQI
15th Jul 2025724 AMAQI
35°C30/40°C
15th Jul 2025725 AMAQI
15th Jul 2025726 AMAQI
15th Jul 2025727 AMAQI
15th Jul 2025848 AMAQI
15th Jul 2025899 AMAQI
15th Jul 20258910 AMAQI
15th Jul 20258711 AMAQI
15th Jul 20258412 PMAQI
15th Jul 2025781 PMAQI
15th Jul 2025762 PMAQI
15th Jul 2025763 PMAQI
15th Jul 2025804 PMAQI
15th Jul 2025725 PMAQI
15th Jul 2025686 PMAQI
15th Jul 2025687 PMAQI
15th Jul 2025708 PMAQI
15th Jul 2025719 PMAQI
15th Jul 20257110 PMAQI
15th Jul 20257011 PMAQI
16th Jul 20257112 AMAQI
16th Jul 2025721 AMAQI
16th Jul 2025722 AMAQI
16th Jul 2025743 AMAQI
16th Jul 2025744 AMAQI
36°C30/42°C
16th Jul 2025745 AMAQI
16th Jul 2025746 AMAQI
16th Jul 2025747 AMAQI
16th Jul 2025708 AMAQI
16th Jul 2025709 AMAQI
16th Jul 20257410 AMAQI
16th Jul 20257211 AMAQI
16th Jul 20257012 PMAQI
16th Jul 2025701 PMAQI
16th Jul 2025772 PMAQI
16th Jul 2025703 PMAQI
16th Jul 2025644 PMAQI
16th Jul 2025625 PMAQI
16th Jul 2025606 PMAQI
16th Jul 2025627 PMAQI
16th Jul 2025668 PMAQI
16th Jul 2025649 PMAQI
16th Jul 20256310 PMAQI
16th Jul 20256311 PMAQI
17th Jul 20256412 AMAQI
17th Jul 2025661 AMAQI
17th Jul 2025722 AMAQI
17th Jul 2025723 AMAQI
17th Jul 2025724 AMAQI
35°C30/40°C
17th Jul 2025725 AMAQI
17th Jul 2025726 AMAQI
17th Jul 2025737 AMAQI
17th Jul 2025598 AMAQI
17th Jul 2025529 AMAQI
17th Jul 20254610 AMAQI
17th Jul 20254611 AMAQI
17th Jul 20254812 PMAQI
17th Jul 2025381 PMAQI
17th Jul 2025362 PMAQI
17th Jul 2025383 PMAQI
17th Jul 2025404 PMAQI
17th Jul 2025395 PMAQI
17th Jul 2025396 PMAQI
17th Jul 2025487 PMAQI
17th Jul 2025608 PMAQI
17th Jul 2025619 PMAQI
17th Jul 20255810 PMAQI
17th Jul 20256111 PMAQI
18th Jul 20256112 AMAQI
18th Jul 2025701 AMAQI
18th Jul 2025702 AMAQI
18th Jul 2025683 AMAQI
18th Jul 2025664 AMAQI
34°C28/40°C
18th Jul 2025665 AMAQI
18th Jul 2025666 AMAQI
18th Jul 2025667 AMAQI
18th Jul 2025838 AMAQI
18th Jul 2025899 AMAQI
18th Jul 20258810 AMAQI
18th Jul 20257211 AMAQI
18th Jul 20257212 PMAQI
18th Jul 2025641 PMAQI
18th Jul 2025592 PMAQI
18th Jul 2025443 PMAQI
18th Jul 2025464 PMAQI
18th Jul 2025415 PMAQI
18th Jul 2025486 PMAQI
18th Jul 2025547 PMAQI
18th Jul 2025608 PMAQI
18th Jul 2025629 PMAQI
18th Jul 20256210 PMAQI
18th Jul 20256211 PMAQI
19th Jul 20256412 AMAQI
19th Jul 2025671 AMAQI
19th Jul 2025672 AMAQI
19th Jul 2025673 AMAQI
19th Jul 2025684 AMAQI
34°C29/40°C
19th Jul 2025685 AMAQI
19th Jul 2025686 AMAQI
19th Jul 2025687 AMAQI
19th Jul 2025838 AMAQI
19th Jul 2025819 AMAQI
19th Jul 20258410 AMAQI
19th Jul 20257511 AMAQI
19th Jul 20256812 PMAQI
19th Jul 2025681 PMAQI
19th Jul 2025662 PMAQI
19th Jul 2025653 PMAQI
19th Jul 2025624 PMAQI
19th Jul 2025585 PMAQI
19th Jul 2025556 PMAQI
19th Jul 2025597 PMAQI
19th Jul 2025618 PMAQI
19th Jul 2025629 PMAQI
19th Jul 20256410 PMAQI
19th Jul 20256611 PMAQI
20th Jul 20256612 AMAQI
20th Jul 2025661 AMAQI
20th Jul 2025662 AMAQI
20th Jul 2025673 AMAQI
20th Jul 2025684 AMAQI
33°C28/38°C
20th Jul 2025685 AMAQI
20th Jul 2025686 AMAQI
20th Jul 2025687 AMAQI
20th Jul 2025688 AMAQI
20th Jul 2025609 AMAQI
20th Jul 20255810 AMAQI
20th Jul 20256311 AMAQI
20th Jul 20256112 PMAQI
20th Jul 2025611 PMAQI
20th Jul 2025622 PMAQI
20th Jul 2025693 PMAQI
20th Jul 2025704 PMAQI
20th Jul 2025845 PMAQI
20th Jul 2025896 PMAQI
20th Jul 2025817 PMAQI
20th Jul 2025768 PMAQI
20th Jul 2025689 PMAQI
20th Jul 20256910 PMAQI
20th Jul 20256911 PMAQI
21st Jul 20256612 AMAQI
21st Jul 2025671 AMAQI
21st Jul 2025662 AMAQI
21st Jul 2025663 AMAQI
21st Jul 2025664 AMAQI
33°C29/39°C
21st Jul 2025665 AMAQI
21st Jul 2025666 AMAQI
21st Jul 2025667 AMAQI
21st Jul 2025468 AMAQI
21st Jul 2025469 AMAQI
21st Jul 20253810 AMAQI
21st Jul 20253811 AMAQI
21st Jul 20256112 PMAQI
21st Jul 2025641 PMAQI
21st Jul 2025672 PMAQI
21st Jul 2025733 PMAQI
21st Jul 2025694 PMAQI
21st Jul 2025705 PMAQI
21st Jul 2025726 PMAQI
21st Jul 2025707 PMAQI
21st Jul 2025708 PMAQI
21st Jul 2025709 PMAQI
21st Jul 20257110 PMAQI
21st Jul 20257211 PMAQI
22nd Jul 20257112 AMAQI
22nd Jul 2025661 AMAQI
22nd Jul 2025662 AMAQI
22nd Jul 2025653 AMAQI
22nd Jul 2025644 AMAQI
30°C25/37°C
22nd Jul 2025645 AMAQI
22nd Jul 2025656 AMAQI
22nd Jul 2025647 AMAQI
22nd Jul 2025748 AMAQI
22nd Jul 2025809 AMAQI
22nd Jul 20256210 AMAQI
22nd Jul 20255411 AMAQI
22nd Jul 20255412 PMAQI
22nd Jul 2025541 PMAQI
22nd Jul 2025482 PMAQI
22nd Jul 2025423 PMAQI
22nd Jul 2025344 PMAQI
22nd Jul 2025425 PMAQI
22nd Jul 2025526 PMAQI
22nd Jul 2025587 PMAQI
22nd Jul 2025668 PMAQI
22nd Jul 2025669 PMAQI
22nd Jul 20256510 PMAQI
22nd Jul 20256611 PMAQI
23rd Jul 20256612 AMAQI
23rd Jul 2025641 AMAQI
23rd Jul 2025662 AMAQI
23rd Jul 2025653 AMAQI
23rd Jul 2025644 AMAQI
29°C25/34°C
23rd Jul 2025645 AMAQI
23rd Jul 2025656 AMAQI
23rd Jul 2025657 AMAQI
23rd Jul 2025368 AMAQI
23rd Jul 2025279 AMAQI
23rd Jul 20253810 AMAQI
23rd Jul 20256611 AMAQI
23rd Jul 20256812 PMAQI
23rd Jul 2025661 PMAQI
23rd Jul 2025692 PMAQI
23rd Jul 2025663 PMAQI
23rd Jul 2025624 PMAQI
23rd Jul 2025575 PMAQI
23rd Jul 2025626 PMAQI
23rd Jul 2025547 PMAQI
23rd Jul 2025578 PMAQI
23rd Jul 2025579 PMAQI
23rd Jul 20256410 PMAQI
23rd Jul 20255711 PMAQI
24th Jul 20256312 AMAQI
24th Jul 2025631 AMAQI
24th Jul 2025642 AMAQI
24th Jul 2025643 AMAQI
24th Jul 2025634 AMAQI
30°C25/35°C
24th Jul 2025635 AMAQI
24th Jul 2025626 AMAQI
24th Jul 2025627 AMAQI
24th Jul 2025528 AMAQI
24th Jul 2025549 AMAQI
24th Jul 20256010 AMAQI
24th Jul 20256611 AMAQI
24th Jul 20256812 PMAQI
24th Jul 2025681 PMAQI
24th Jul 2025582 PMAQI
24th Jul 2025563 PMAQI
24th Jul 2025544 PMAQI
24th Jul 2025545 PMAQI
24th Jul 2025536 PMAQI
24th Jul 2025617 PMAQI
24th Jul 2025648 PMAQI
24th Jul 2025629 PMAQI
24th Jul 20256410 PMAQI
24th Jul 20256311 PMAQI
25th Jul 20256312 AMAQI
25th Jul 2025611 AMAQI
25th Jul 2025622 AMAQI
25th Jul 2025623 AMAQI
25th Jul 2025614 AMAQI
31°C26/37°C
25th Jul 2025615 AMAQI
25th Jul 2025616 AMAQI
25th Jul 2025607 AMAQI
25th Jul 2025668 AMAQI
25th Jul 2025669 AMAQI
25th Jul 20256910 AMAQI
25th Jul 20257011 AMAQI
25th Jul 20256912 PMAQI
25th Jul 2025711 PMAQI
25th Jul 2025702 PMAQI
25th Jul 2025613 PMAQI
25th Jul 2025684 PMAQI
25th Jul 2025675 PMAQI
25th Jul 2025656 PMAQI
25th Jul 2025667 PMAQI
25th Jul 2025648 PMAQI
25th Jul 2025649 PMAQI
25th Jul 20256510 PMAQI
25th Jul 20256411 PMAQI
26th Jul 20256312 AMAQI
26th Jul 2025611 AMAQI
26th Jul 2025602 AMAQI
26th Jul 2025603 AMAQI
26th Jul 2025614 AMAQI
33°C28/40°C
26th Jul 2025615 AMAQI
26th Jul 2025616 AMAQI
26th Jul 2025617 AMAQI
26th Jul 2025688 AMAQI
26th Jul 2025699 AMAQI
26th Jul 20256810 AMAQI
26th Jul 20256711 AMAQI
26th Jul 20256812 PMAQI
26th Jul 2025681 PMAQI
26th Jul 2025682 PMAQI
26th Jul 2025673 PMAQI
26th Jul 2025664 PMAQI
26th Jul 2025685 PMAQI
26th Jul 2025706 PMAQI
26th Jul 2025657 PMAQI
26th Jul 2025638 PMAQI
26th Jul 2025649 PMAQI
26th Jul 20256310 PMAQI
26th Jul 20256411 PMAQI
27th Jul 20256412 AMAQI
27th Jul 2025601 AMAQI
27th Jul 2025602 AMAQI
27th Jul 2025613 AMAQI
27th Jul 2025614 AMAQI
32°C27/38°C
27th Jul 2025615 AMAQI
27th Jul 2025616 AMAQI
27th Jul 2025617 AMAQI
27th Jul 2025648 AMAQI
27th Jul 2025689 AMAQI
27th Jul 20257010 AMAQI
27th Jul 20256811 AMAQI
27th Jul 20256912 PMAQI
27th Jul 2025681 PMAQI
27th Jul 2025662 PMAQI
27th Jul 2025563 PMAQI
27th Jul 2025554 PMAQI
27th Jul 2025665 PMAQI
27th Jul 2025666 PMAQI
27th Jul 2025667 PMAQI
27th Jul 2025648 PMAQI
27th Jul 2025649 PMAQI
27th Jul 20256410 PMAQI
27th Jul 20256411 PMAQI
28th Jul 20256412 AMAQI
28th Jul 2025601 AMAQI
28th Jul 2025612 AMAQI
28th Jul 2025613 AMAQI
28th Jul 2025614 AMAQI
33°C28/38°C
28th Jul 2025605 AMAQI
28th Jul 2025616 AMAQI
28th Jul 2025617 AMAQI
28th Jul 2025618 AMAQI
28th Jul 2025609 AMAQI
28th Jul 20255910 AMAQI
28th Jul 20256111 AMAQI
28th Jul 20256412 PMAQI
28th Jul 2025601 PMAQI
28th Jul 2025622 PMAQI
28th Jul 2025583 PMAQI
28th Jul 2025564 PMAQI
28th Jul 2025575 PMAQI
28th Jul 2025566 PMAQI
28th Jul 2025587 PMAQI
28th Jul 2025608 PMAQI
28th Jul 2025589 PMAQI
28th Jul 20255810 PMAQI
28th Jul 20255911 PMAQI
29th Jul 20255812 AMAQI
29th Jul 2025601 AMAQI
29th Jul 2025612 AMAQI
29th Jul 2025603 AMAQI
29th Jul 2025614 AMAQI
34°C28/40°C
29th Jul 2025615 AMAQI
29th Jul 2025626 AMAQI
29th Jul 2025617 AMAQI
29th Jul 2025588 AMAQI
29th Jul 2025579 AMAQI
29th Jul 20255810 AMAQI
29th Jul 20255811 AMAQI
29th Jul 20255812 PMAQI
29th Jul 2025581 PMAQI
29th Jul 2025592 PMAQI
29th Jul 2025573 PMAQI
29th Jul 2025584 PMAQI
29th Jul 2025595 PMAQI
29th Jul 2025586 PMAQI
29th Jul 2025587 PMAQI
29th Jul 2025598 PMAQI
29th Jul 2025609 PMAQI
29th Jul 20255610 PMAQI
29th Jul 20255411 PMAQI
30th Jul 20255312 AMAQI
30th Jul 2025581 AMAQI
30th Jul 2025602 AMAQI
30th Jul 2025603 AMAQI
30th Jul 2025604 AMAQI
33°C28/41°C
30th Jul 2025605 AMAQI
30th Jul 2025606 AMAQI
30th Jul 2025607 AMAQI
30th Jul 2025538 AMAQI
30th Jul 2025539 AMAQI
30th Jul 20255010 AMAQI
30th Jul 20254811 AMAQI
30th Jul 20254512 PMAQI
30th Jul 2025411 PMAQI
30th Jul 2025432 PMAQI
30th Jul 2025383 PMAQI
30th Jul 2025414 PMAQI
30th Jul 2025425 PMAQI
30th Jul 2025446 PMAQI
30th Jul 2025517 PMAQI
30th Jul 2025578 PMAQI
30th Jul 2025599 PMAQI
30th Jul 20255810 PMAQI
30th Jul 20255811 PMAQI
31st Jul 20255812 AMAQI
31st Jul 2025601 AMAQI
31st Jul 2025602 AMAQI
31st Jul 2025593 AMAQI
31st Jul 2025594 AMAQI
33°C28/40°C
31st Jul 2025595 AMAQI
31st Jul 2025596 AMAQI
31st Jul 2025597 AMAQI
31st Jul 2025598 AMAQI
31st Jul 2025599 AMAQI
31st Jul 20255710 AMAQI
31st Jul 20255911 AMAQI
31st Jul 20255812 PMAQI
31st Jul 2025621 PMAQI
31st Jul 2025582 PMAQI
31st Jul 2025543 PMAQI
31st Jul 2025524 PMAQI
31st Jul 2025545 PMAQI
31st Jul 2025546 PMAQI
31st Jul 2025567 PMAQI
31st Jul 2025588 PMAQI
31st Jul 2025629 PMAQI
31st Jul 20256210 PMAQI
31st Jul 20256211 PMAQI
1st Aug 20256412 AMAQI
1st Aug 2025601 AMAQI
1st Aug 2025592 AMAQI
1st Aug 2025603 AMAQI
1st Aug 2025594 AMAQI
33°C27/39°C
1st Aug 2025605 AMAQI
1st Aug 2025596 AMAQI
1st Aug 2025617 AMAQI
1st Aug 2025648 AMAQI
1st Aug 2025659 AMAQI
1st Aug 20256810 AMAQI
1st Aug 20256411 AMAQI
1st Aug 20256512 PMAQI
1st Aug 2025671 PMAQI
1st Aug 2025682 PMAQI
1st Aug 2025683 PMAQI
1st Aug 2025664 PMAQI
1st Aug 2025625 PMAQI
1st Aug 2025666 PMAQI
1st Aug 2025657 PMAQI
1st Aug 2025618 PMAQI
1st Aug 2025669 PMAQI
1st Aug 20256610 PMAQI
1st Aug 20256411 PMAQI
2nd Aug 20256512 AMAQI
2nd Aug 2025591 AMAQI
2nd Aug 2025592 AMAQI
2nd Aug 2025603 AMAQI
2nd Aug 2025614 AMAQI
33°C27/39°C
2nd Aug 2025615 AMAQI
2nd Aug 2025606 AMAQI
2nd Aug 2025627 AMAQI
2nd Aug 2025738 AMAQI
2nd Aug 2025689 AMAQI
2nd Aug 20256610 AMAQI
2nd Aug 20256811 AMAQI
2nd Aug 20256612 PMAQI
2nd Aug 2025691 PMAQI
2nd Aug 2025692 PMAQI
2nd Aug 2025633 PMAQI
2nd Aug 2025634 PMAQI
2nd Aug 2025665 PMAQI
2nd Aug 2025666 PMAQI
2nd Aug 2025647 PMAQI
2nd Aug 2025628 PMAQI
2nd Aug 2025639 PMAQI
2nd Aug 20256310 PMAQI
2nd Aug 20256311 PMAQI
3rd Aug 20256212 AMAQI
3rd Aug 2025601 AMAQI
3rd Aug 2025602 AMAQI
3rd Aug 2025613 AMAQI
3rd Aug 2025624 AMAQI
33°C28/38°C
3rd Aug 2025625 AMAQI
3rd Aug 2025626 AMAQI
3rd Aug 2025627 AMAQI
3rd Aug 2025708 AMAQI
3rd Aug 2025739 AMAQI
3rd Aug 20256710 AMAQI
3rd Aug 20256911 AMAQI
3rd Aug 20256712 PMAQI
3rd Aug 2025681 PMAQI
3rd Aug 2025652 PMAQI
3rd Aug 2025643 PMAQI
3rd Aug 2025664 PMAQI
3rd Aug 2025625 PMAQI
3rd Aug 2025646 PMAQI
3rd Aug 2025637 PMAQI
3rd Aug 2025638 PMAQI
3rd Aug 2025649 PMAQI
3rd Aug 20256610 PMAQI
3rd Aug 20256411 PMAQI
4th Aug 20256012 AMAQI
4th Aug 2025601 AMAQI
4th Aug 2025612 AMAQI
4th Aug 2025623 AMAQI
4th Aug 2025624 AMAQI
35°C29/42°C
4th Aug 2025635 AMAQI
4th Aug 2025626 AMAQI
4th Aug 2025637 AMAQI
4th Aug 2025768 AMAQI
4th Aug 2025769 AMAQI
4th Aug 20257710 AMAQI
4th Aug 20257311 AMAQI
4th Aug 20258512 PMAQI
4th Aug 2025801 PMAQI
4th Aug 2025732 PMAQI
4th Aug 2025723 PMAQI
4th Aug 2025674 PMAQI
4th Aug 2025705 PMAQI
4th Aug 2025696 PMAQI
4th Aug 2025687 PMAQI
4th Aug 2025678 PMAQI
4th Aug 2025709 PMAQI
4th Aug 20257210 PMAQI
4th Aug 20257111 PMAQI
5th Aug 20256712 AMAQI
5th Aug 2025601 AMAQI
5th Aug 2025612 AMAQI
5th Aug 2025633 AMAQI
5th Aug 2025654 AMAQI
34°C30/39°C
5th Aug 2025655 AMAQI
5th Aug 2025656 AMAQI
5th Aug 2025647 AMAQI
5th Aug 2025948 AMAQI
5th Aug 20251029 AMAQI
5th Aug 20259810 AMAQI
5th Aug 20257511 AMAQI
5th Aug 20258412 PMAQI
5th Aug 2025821 PMAQI
5th Aug 2025732 PMAQI
5th Aug 2025703 PMAQI
5th Aug 2025704 PMAQI
5th Aug 2025665 PMAQI
5th Aug 2025626 PMAQI
5th Aug 2025627 PMAQI
5th Aug 2025678 PMAQI
5th Aug 2025679 PMAQI
5th Aug 20256810 PMAQI
5th Aug 20256811 PMAQI
6th Aug 20256712 AMAQI
6th Aug 2025641 AMAQI
6th Aug 2025632 AMAQI
6th Aug 2025673 AMAQI
6th Aug 2025684 AMAQI
33°C30/39°C
6th Aug 2025685 AMAQI
6th Aug 2025686 AMAQI
6th Aug 2025697 AMAQI
6th Aug 2025648 AMAQI
6th Aug 2025629 AMAQI
6th Aug 20256710 AMAQI
6th Aug 20257411 AMAQI
6th Aug 20256612 PMAQI
6th Aug 2025701 PMAQI
6th Aug 2025682 PMAQI
6th Aug 2025723 PMAQI
6th Aug 2025654 PMAQI
6th Aug 2025625 PMAQI
6th Aug 2025606 PMAQI
6th Aug 2025617 PMAQI
6th Aug 2025628 PMAQI
6th Aug 2025649 PMAQI
6th Aug 20256810 PMAQI
6th Aug 20256611 PMAQI
7th Aug 20256812 AMAQI
7th Aug 2025671 AMAQI
7th Aug 2025662 AMAQI
7th Aug 2025683 AMAQI
7th Aug 2025674 AMAQI
30°C27/34°C
7th Aug 2025665 AMAQI
5 AM7th Aug 2025656 AMAQI
7th Aug 2025667 AMAQI
7th Aug 2025688 AMAQI
7th Aug 2025749 AMAQI
7th Aug 20257410 AMAQI
7th Aug 20258211 AMAQI
7th Aug 20258212 PMAQI
12 PM7th Aug 2025621 PMAQI
7th Aug 2025542 PMAQI
7th Aug 2025513 PMAQI
7th Aug 2025654 PMAQI
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 7 PM
66AQI
15 hours / Day
450 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 5 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
Water Supply Company, Zhengzhou, Henan, China
2025
2%
4
50%
108
36%
78
12%
26
0.4%
1
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Good
4 DaysModerate
108 DaysPoor
78 DaysUnhealthy
26 DaysSevere
0 DaysHazardous
1 DaysUnder WHO’s Safe Air Quality Limits: 2%
Health Risk Level:
Extreme
In 2025, 2% of 219 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
Water Supply Company, Zhengzhou, 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.
1st January 2025
156AQI
156AQI
2nd January 2025
144AQI
144AQI
3rd January 2025
160AQI
160AQI
4th January 2025
161AQI
161AQI
5th January 2025
135AQI
135AQI
6th January 2025
100AQI
100AQI
7th January 2025
105AQI
105AQI
8th January 2025
79AQI
79AQI
9th January 2025
93AQI
93AQI
10th January 2025
123AQI
123AQI
11th January 2025
89AQI
89AQI
12th January 2025
86AQI
86AQI
13th January 2025
123AQI
123AQI
14th January 2025
111AQI
111AQI
15th January 2025
83AQI
83AQI
16th January 2025
89AQI
89AQI
17th January 2025
125AQI
125AQI
18th January 2025
132AQI
132AQI
19th January 2025
131AQI
131AQI
20th January 2025
164AQI
164AQI
21st January 2025
190AQI
190AQI
22nd January 2025
164AQI
164AQI
23rd January 2025
154AQI
154AQI
24th January 2025
170AQI
170AQI
25th January 2025
167AQI
167AQI
26th January 2025
99AQI
99AQI
27th January 2025
84AQI
84AQI
28th January 2025
87AQI
87AQI
29th January 2025
187AQI
187AQI
30th January 2025
168AQI
168AQI
31st January 2025
169AQI
169AQI
1st February 2025
167AQI
167AQI
2nd February 2025
184AQI
184AQI
3rd February 2025
111AQI
111AQI
4th February 2025
103AQI
103AQI
5th February 2025
80AQI
80AQI
6th February 2025
95AQI
95AQI
7th February 2025
71AQI
71AQI
8th February 2025
75AQI
75AQI
9th February 2025
107AQI
107AQI
10th February 2025
131AQI
131AQI
11th February 2025
152AQI
152AQI
12th February 2025
99AQI
99AQI
13th February 2025
103AQI
103AQI
14th February 2025
110AQI
110AQI
15th February 2025
104AQI
104AQI
16th February 2025
89AQI
89AQI
17th February 2025
111AQI
111AQI
18th February 2025
130AQI
130AQI
19th February 2025
96AQI
96AQI
20th February 2025
132AQI
132AQI
21st February 2025
140AQI
140AQI
22nd February 2025
148AQI
148AQI
23rd February 2025
127AQI
127AQI
24th February 2025
155AQI
155AQI
25th February 2025
126AQI
126AQI
26th February 2025
153AQI
153AQI
27th February 2025
155AQI
155AQI
28th February 2025
170AQI
170AQI
1st March 2025
153AQI
153AQI
2nd March 2025
99AQI
99AQI
3rd March 2025
88AQI
88AQI
4th March 2025
104AQI
104AQI
5th March 2025
138AQI
138AQI
6th March 2025
125AQI
125AQI
7th March 2025
144AQI
144AQI
8th March 2025
142AQI
142AQI
9th March 2025
154AQI
154AQI
10th March 2025
145AQI
145AQI
11th March 2025
160AQI
160AQI
12th March 2025
141AQI
141AQI
13th March 2025
170AQI
170AQI
14th March 2025
103AQI
103AQI
15th March 2025
139AQI
139AQI
16th March 2025
74AQI
74AQI
17th March 2025
84AQI
84AQI
18th March 2025
75AQI
75AQI
19th March 2025
82AQI
82AQI
20th March 2025
64AQI
64AQI
21st March 2025
70AQI
70AQI
22nd March 2025
75AQI
75AQI
23rd March 2025
97AQI
97AQI
24th March 2025
416AQI
416AQI
25th March 2025
122AQI
122AQI
26th March 2025
140AQI
140AQI
27th March 2025
109AQI
109AQI
28th March 2025
130AQI
130AQI
29th March 2025
87AQI
87AQI
30th March 2025
99AQI
99AQI
31st March 2025
103AQI
103AQI
1st April 2025
95AQI
95AQI
2nd April 2025
75AQI
75AQI
3rd April 2025
102AQI
102AQI
4th April 2025
114AQI
114AQI
5th April 2025
80AQI
80AQI
6th April 2025
114AQI
114AQI
7th April 2025
125AQI
125AQI
8th April 2025
139AQI
139AQI
9th April 2025
128AQI
128AQI
10th April 2025
134AQI
134AQI
11th April 2025
132AQI
132AQI
12th April 2025
169AQI
169AQI
13th April 2025
131AQI
131AQI
14th April 2025
88AQI
88AQI
15th April 2025
99AQI
99AQI
16th April 2025
123AQI
123AQI
17th April 2025
137AQI
137AQI
18th April 2025
135AQI
135AQI
19th April 2025
128AQI
128AQI
20th April 2025
112AQI
112AQI
21st April 2025
109AQI
109AQI
22nd April 2025
102AQI
102AQI
23rd April 2025
131AQI
131AQI
24th April 2025
85AQI
85AQI
25th April 2025
122AQI
122AQI
26th April 2025
100AQI
100AQI
27th April 2025
108AQI
108AQI
28th April 2025
87AQI
87AQI
29th April 2025
86AQI
86AQI
30th April 2025
115AQI
115AQI
1st May 2025
91AQI
91AQI
2nd May 2025
128AQI
128AQI
3rd May 2025
80AQI
80AQI
4th May 2025
94AQI
94AQI
5th May 2025
122AQI
122AQI
6th May 2025
132AQI
132AQI
7th May 2025
152AQI
152AQI
8th May 2025
138AQI
138AQI
9th May 2025
114AQI
114AQI
10th May 2025
105AQI
105AQI
11th May 2025
84AQI
84AQI
12th May 2025
100AQI
100AQI
13th May 2025
113AQI
113AQI
14th May 2025
103AQI
103AQI
15th May 2025
90AQI
90AQI
16th May 2025
107AQI
107AQI
17th May 2025
159AQI
159AQI
18th May 2025
108AQI
108AQI
19th May 2025
140AQI
140AQI
20th May 2025
118AQI
118AQI
21st May 2025
138AQI
138AQI
22nd May 2025
114AQI
114AQI
23rd May 2025
140AQI
140AQI
24th May 2025
100AQI
100AQI
25th May 2025
109AQI
109AQI
26th May 2025
96AQI
96AQI
27th May 2025
113AQI
113AQI
28th May 2025
110AQI
110AQI
29th May 2025
110AQI
110AQI
30th May 2025
97AQI
97AQI
31st May 2025
91AQI
91AQI
1st June 2025
91AQI
91AQI
2nd June 2025
87AQI
87AQI
3rd June 2025
77AQI
77AQI
4th June 2025
90AQI
90AQI
5th June 2025
78AQI
78AQI
6th June 2025
90AQI
90AQI
7th June 2025
109AQI
109AQI
8th June 2025
101AQI
101AQI
9th June 2025
97AQI
97AQI
10th June 2025
86AQI
86AQI
11th June 2025
88AQI
88AQI
12th June 2025
82AQI
82AQI
13th June 2025
85AQI
85AQI
14th June 2025
73AQI
73AQI
15th June 2025
69AQI
69AQI
16th June 2025
73AQI
73AQI
17th June 2025
76AQI
76AQI
18th June 2025
63AQI
63AQI
19th June 2025
59AQI
59AQI
20th June 2025
61AQI
61AQI
21st June 2025
63AQI
63AQI
22nd June 2025
51AQI
51AQI
23rd June 2025
59AQI
59AQI
24th June 2025
66AQI
66AQI
25th June 2025
83AQI
83AQI
26th June 2025
63AQI
63AQI
27th June 2025
63AQI
63AQI
28th June 2025
58AQI
58AQI
29th June 2025
52AQI
52AQI
30th June 2025
54AQI
54AQI
1st July 2025
48AQI
48AQI
2nd July 2025
44AQI
44AQI
3rd July 2025
46AQI
46AQI
4th July 2025
54AQI
54AQI
5th July 2025
48AQI
48AQI
6th July 2025
54AQI
54AQI
7th July 2025
56AQI
56AQI
8th July 2025
58AQI
58AQI
9th July 2025
64AQI
64AQI
10th July 2025
71AQI
71AQI
11th July 2025
76AQI
76AQI
12th July 2025
76AQI
76AQI
13th July 2025
72AQI
72AQI
14th July 2025
71AQI
71AQI
15th July 2025
75AQI
75AQI
16th July 2025
69AQI
69AQI
17th July 2025
57AQI
57AQI
18th July 2025
64AQI
64AQI
19th July 2025
66AQI
66AQI
20th July 2025
69AQI
69AQI
21st July 2025
65AQI
65AQI
22nd July 2025
61AQI
61AQI
23rd July 2025
60AQI
60AQI
24th July 2025
61AQI
61AQI
25th July 2025
65AQI
65AQI
26th July 2025
64AQI
64AQI
27th July 2025
64AQI
64AQI
28th July 2025
60AQI
60AQI
29th July 2025
59AQI
59AQI
30th July 2025
53AQI
53AQI
31st July 2025
58AQI
58AQI
1st August 2025
63AQI
63AQI
2nd August 2025
64AQI
64AQI
3rd August 2025
64AQI
64AQI
4th August 2025
68AQI
68AQI
5th August 2025
70AQI
70AQI
130AQI
122AQI
124AQI
114AQI
113AQI
75AQI
62AQI
66AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
2025104AQI
10
9
12
7
14
7
12
14
4
1
9
20
1
10
19
2
28
2
4
27
5
4
108
78
26
1
Highest AQI recorded in
January130AQI
Lowest AQI recorded in
July62AQI
2024106AQI
8
9
9
4
1
7
10
10
2
7
18
6
13
17
18
11
2
24
6
11
17
3
9
19
3
8
18
2
2
3
8
4
14
2
1
10
14
3
2
10
16
5
32
159
113
51
10
1
Highest AQI recorded in
January148AQI
Lowest AQI recorded in
August64AQI
2023106AQI
9
8
6
7
1
3
11
12
2
6
14
10
1
2
11
12
5
3
20
8
1
27
2
5
26
5
23
3
1
25
4
12
17
2
12
9
5
1
8
11
10
1
18
182
99
45
16
1
Highest AQI recorded in
January150AQI
Lowest AQI recorded in
July64AQI
2022114AQI
1
2
22
6
3
9
9
10
11
7
2
1
6
11
27
4
26
4
1
20
1
19
10
4
9
17
1
2
8
14
6
1
7
10
9
3
1
8
137
92
54
11
2
Highest AQI recorded in
January179AQI
Lowest AQI recorded in
August64AQI
2021110AQI
1
5
3
4
3
7
10
6
1
3
14
10
4
9
17
3
1
1
16
12
2
2
20
8
4
26
1
3
18
6
20
4
4
9
9
9
1
11
7
11
13
10
6
2
22
157
95
51
6
5
Highest AQI recorded in
March183AQI
Lowest AQI recorded in
July66AQI
2020107AQI
1
4
7
1
6
14
1
10
3
1
1
17
12
1
21
9
3
23
5
1
18
11
9
17
5
7
10
12
1
1
2
14
12
2
8
117
102
32
3
Highest AQI recorded in
December145AQI
Lowest AQI recorded in
August75AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
114AQILeast Polluted Year Recorded
2025(Avg.)
104AQIWater Supply Company's annual 2025 AQI (104) shows an average percentage change of -3.6% (improved AQI) compared to previous years: 2020 (107), 2021 (110), 2022 (114), 2023 (106), 2024 (106).
