Huiji District, 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
Huiji District, Zhengzhou, Henan, China
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
2nd Aug 2025
64AQILowest AQI recorded on
1st Aug 2025
62AQISame Day Analysis (2nd August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 64 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Huiji District, Zhengzhou, Henan, China
AQI
Day
Night
.
5 AM3rd Aug 2025
7 PM
4 AM4th Aug 2025
Day time
Avg. Highest Time
9AM3rd Aug
74AQI
Avg. Lowest Time
5PM3rd Aug
60AQI
Night time
Avg. Highest Time
10PM3rd Aug
64AQI
Avg. Lowest Time
1AM4th Aug
60AQI
In the last 24 hours,
Huiji District's AQI reached its highest point of 74 at 9 AM during the Day, while the lowest point, 60, was recorded at 1 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Huiji District, Zhengzhou, Henan, China
JulAug
05th - 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 - 04th04th
Day
Night
5th Jul 2025525 AMAQI
5th Jul 2025356 AMAQI
5th Jul 2025347 AMAQI
5th Jul 2025448 AMAQI
5th Jul 2025459 AMAQI
5th Jul 20253810 AMAQI
5th Jul 20253811 AMAQI
5th Jul 20253612 PMAQI
5th Jul 2025381 PMAQI
5th Jul 2025322 PMAQI
5th Jul 2025333 PMAQI
5th Jul 2025384 PMAQI
5th Jul 2025535 PMAQI
5th Jul 2025546 PMAQI
5th Jul 2025557 PMAQI
5th Jul 2025548 PMAQI
5th Jul 2025559 PMAQI
5th Jul 20255610 PMAQI
5th Jul 20255711 PMAQI
6th Jul 20255612 AMAQI
6th Jul 2025551 AMAQI
6th Jul 2025552 AMAQI
6th Jul 2025543 AMAQI
6th Jul 2025544 AMAQI
34°C29/39°C
6th Jul 2025555 AMAQI
6th Jul 2025556 AMAQI
6th Jul 2025517 AMAQI
6th Jul 2025498 AMAQI
6th Jul 2025509 AMAQI
6th Jul 20254810 AMAQI
6th Jul 20254711 AMAQI
6th Jul 20255012 PMAQI
6th Jul 2025511 PMAQI
6th Jul 2025512 PMAQI
6th Jul 2025503 PMAQI
6th Jul 2025524 PMAQI
6th Jul 2025555 PMAQI
6th Jul 2025566 PMAQI
6th Jul 2025577 PMAQI
6th Jul 2025568 PMAQI
6th Jul 2025569 PMAQI
6th Jul 20255610 PMAQI
6th Jul 20255611 PMAQI
7th Jul 20255512 AMAQI
7th Jul 2025551 AMAQI
7th Jul 2025562 AMAQI
7th Jul 2025553 AMAQI
7th Jul 2025554 AMAQI
35°C29/41°C
7th Jul 2025555 AMAQI
7th Jul 2025566 AMAQI
7th Jul 2025567 AMAQI
7th Jul 2025588 AMAQI
7th Jul 2025599 AMAQI
7th Jul 20256610 AMAQI
7th Jul 20256611 AMAQI
7th Jul 20256112 PMAQI
7th Jul 2025591 PMAQI
7th Jul 2025582 PMAQI
7th Jul 2025603 PMAQI
7th Jul 2025604 PMAQI
7th Jul 2025595 PMAQI
7th Jul 2025596 PMAQI
7th Jul 2025577 PMAQI
7th Jul 2025568 PMAQI
7th Jul 2025569 PMAQI
7th Jul 20255610 PMAQI
7th Jul 20255611 PMAQI
8th Jul 20255612 AMAQI
8th Jul 2025581 AMAQI
8th Jul 2025582 AMAQI
8th Jul 2025583 AMAQI
8th Jul 2025594 AMAQI
33°C28/40°C
8th Jul 2025585 AMAQI
8th Jul 2025586 AMAQI
8th Jul 2025587 AMAQI
8th Jul 2025578 AMAQI
8th Jul 2025619 AMAQI
8th Jul 20256010 AMAQI
8th Jul 20256211 AMAQI
8th Jul 20256312 PMAQI
8th Jul 2025631 PMAQI
8th Jul 2025622 PMAQI
8th Jul 2025643 PMAQI
8th Jul 2025724 PMAQI
8th Jul 2025685 PMAQI
8th Jul 2025636 PMAQI
8th Jul 2025617 PMAQI
8th Jul 2025608 PMAQI
8th Jul 2025609 PMAQI
8th Jul 20255810 PMAQI
8th Jul 20255811 PMAQI
9th Jul 20255812 AMAQI
9th Jul 2025591 AMAQI
9th Jul 2025582 AMAQI
9th Jul 2025593 AMAQI
9th Jul 2025594 AMAQI
30°C26/36°C
9th Jul 2025655 AMAQI
9th Jul 2025786 AMAQI
9th Jul 2025767 AMAQI
9th Jul 2025768 AMAQI
9th Jul 2025739 AMAQI
9th Jul 20257310 AMAQI
9th Jul 20256211 AMAQI
9th Jul 20256612 PMAQI
9th Jul 2025591 PMAQI
9th Jul 2025582 PMAQI
9th Jul 2025603 PMAQI
9th Jul 2025626 PMAQI
9th Jul 2025607 PMAQI
9th Jul 2025628 PMAQI
9th Jul 2025639 PMAQI
9th Jul 20256310 PMAQI
9th Jul 20256411 PMAQI
10th Jul 20256512 AMAQI
10th Jul 2025601 AMAQI
10th Jul 2025592 AMAQI
10th Jul 2025603 AMAQI
10th Jul 2025624 AMAQI
30°C26/34°C
10th Jul 2025625 AMAQI
10th Jul 2025616 AMAQI
10th Jul 2025617 AMAQI
10th Jul 2025738 AMAQI
10th Jul 2025809 AMAQI
10th Jul 20258510 AMAQI
10th Jul 20258711 AMAQI
10th Jul 20258312 PMAQI
10th Jul 2025841 PMAQI
10th Jul 2025822 PMAQI
10th Jul 2025813 PMAQI
10th Jul 2025794 PMAQI
10th Jul 2025785 PMAQI
10th Jul 2025746 PMAQI
10th Jul 2025767 PMAQI
10th Jul 2025708 PMAQI
10th Jul 2025699 PMAQI
10th Jul 20256910 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 2025908 AMAQI
11th Jul 2025999 AMAQI
11th Jul 20259810 AMAQI
11th Jul 202510311 AMAQI
11th Jul 20259112 PMAQI
11th Jul 2025941 PMAQI
11th Jul 2025922 PMAQI
11th Jul 2025913 PMAQI
11th Jul 2025884 PMAQI
11th Jul 2025875 PMAQI
11th Jul 2025886 PMAQI
11th Jul 2025837 PMAQI
11th Jul 2025768 PMAQI
11th Jul 2025769 PMAQI
11th Jul 20257810 PMAQI
11th Jul 20257711 PMAQI
12th Jul 20257812 AMAQI
12th Jul 2025681 AMAQI
12th Jul 2025662 AMAQI
12th Jul 2025673 AMAQI
12th Jul 2025704 AMAQI
33°C27/38°C
12th Jul 2025715 AMAQI
12th Jul 2025716 AMAQI
12th Jul 2025717 AMAQI
12th Jul 2025898 AMAQI
12th Jul 2025919 AMAQI
12th Jul 20259010 AMAQI
12th Jul 20258611 AMAQI
12th Jul 20258612 PMAQI
12th Jul 2025841 PMAQI
12th Jul 2025782 PMAQI
12th Jul 2025783 PMAQI
12th Jul 2025794 PMAQI
12th Jul 2025795 PMAQI
12th Jul 2025806 PMAQI
12th Jul 2025707 PMAQI
12th Jul 2025708 PMAQI
12th Jul 2025709 PMAQI
12th Jul 20257010 PMAQI
12th Jul 20257011 PMAQI
13th Jul 20257012 AMAQI
13th Jul 2025701 AMAQI
13th Jul 2025702 AMAQI
13th Jul 2025713 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 2025819 AMAQI
13th Jul 20257710 AMAQI
13th Jul 20257111 AMAQI
13th Jul 20257212 PMAQI
13th Jul 2025721 PMAQI
13th Jul 2025712 PMAQI
13th Jul 2025693 PMAQI
13th Jul 2025724 PMAQI
13th Jul 2025735 PMAQI
13th Jul 2025746 PMAQI
13th Jul 2025717 PMAQI
13th Jul 2025698 PMAQI
13th Jul 2025689 PMAQI
13th Jul 20256810 PMAQI
13th Jul 20256911 PMAQI
14th Jul 20256812 AMAQI
14th Jul 2025721 AMAQI
14th Jul 2025722 AMAQI
14th Jul 2025723 AMAQI
14th Jul 2025724 AMAQI
35°C29/40°C
14th Jul 2025735 AMAQI
14th Jul 2025726 AMAQI
14th Jul 2025727 AMAQI
14th Jul 2025738 AMAQI
14th Jul 2025749 AMAQI
14th Jul 20257410 AMAQI
14th Jul 20257011 AMAQI
14th Jul 20257012 PMAQI
14th Jul 2025691 PMAQI
14th Jul 2025712 PMAQI
14th Jul 2025713 PMAQI
14th Jul 2025724 PMAQI
14th Jul 2025725 PMAQI
14th Jul 2025716 PMAQI
14th Jul 2025707 PMAQI
14th Jul 2025718 PMAQI
14th Jul 2025719 PMAQI
14th Jul 20257410 PMAQI
14th Jul 20257311 PMAQI
15th Jul 20257712 AMAQI
15th Jul 2025731 AMAQI
15th Jul 2025712 AMAQI
15th Jul 2025723 AMAQI
15th Jul 2025724 AMAQI
35°C30/40°C
15th Jul 2025715 AMAQI
15th Jul 2025726 AMAQI
15th Jul 2025717 AMAQI
15th Jul 2025808 AMAQI
15th Jul 2025869 AMAQI
15th Jul 20258410 AMAQI
15th Jul 20258211 AMAQI
15th Jul 20257812 PMAQI
15th Jul 2025741 PMAQI
15th Jul 2025722 PMAQI
15th Jul 2025753 PMAQI
15th Jul 2025764 PMAQI
15th Jul 2025785 PMAQI
15th Jul 2025726 PMAQI
15th Jul 2025687 PMAQI
15th Jul 2025708 PMAQI
15th Jul 2025709 PMAQI
15th Jul 20257010 PMAQI
15th Jul 20257011 PMAQI
16th Jul 20257212 AMAQI
16th Jul 2025721 AMAQI
16th Jul 2025722 AMAQI
16th Jul 2025723 AMAQI
16th Jul 2025724 AMAQI
36°C30/42°C
16th Jul 2025725 AMAQI
16th Jul 2025726 AMAQI
16th Jul 2025727 AMAQI
16th Jul 2025708 AMAQI
16th Jul 2025719 AMAQI
16th Jul 20257510 AMAQI
16th Jul 20257111 AMAQI
16th Jul 20257112 PMAQI
16th Jul 2025721 PMAQI
16th Jul 2025762 PMAQI
16th Jul 2025713 PMAQI
16th Jul 2025654 PMAQI
16th Jul 2025615 PMAQI
16th Jul 2025606 PMAQI
16th Jul 2025627 PMAQI
16th Jul 2025668 PMAQI
16th Jul 2025659 PMAQI
16th Jul 20256610 PMAQI
16th Jul 20256811 PMAQI
17th Jul 20256612 AMAQI
17th Jul 2025691 AMAQI
17th Jul 2025712 AMAQI
17th Jul 2025723 AMAQI
17th Jul 2025724 AMAQI
35°C30/40°C
17th Jul 2025725 AMAQI
17th Jul 2025736 AMAQI
17th Jul 2025737 AMAQI
17th Jul 2025638 AMAQI
17th Jul 2025579 AMAQI
17th Jul 20256010 AMAQI
17th Jul 20255511 AMAQI
17th Jul 20255412 PMAQI
17th Jul 2025541 PMAQI
17th Jul 2025512 PMAQI
17th Jul 2025543 PMAQI
17th Jul 2025544 PMAQI
17th Jul 2025535 PMAQI
17th Jul 2025536 PMAQI
17th Jul 2025567 PMAQI
17th Jul 2025618 PMAQI
17th Jul 2025629 PMAQI
17th Jul 20256210 PMAQI
17th Jul 20256411 PMAQI
18th Jul 20256512 AMAQI
18th Jul 2025691 AMAQI
18th Jul 2025692 AMAQI
18th Jul 2025693 AMAQI
18th Jul 2025674 AMAQI
34°C28/40°C
18th Jul 2025685 AMAQI
18th Jul 2025686 AMAQI
18th Jul 2025687 AMAQI
18th Jul 2025768 AMAQI
18th Jul 2025829 AMAQI
18th Jul 20258010 AMAQI
18th Jul 20257411 AMAQI
18th Jul 20257212 PMAQI
18th Jul 2025681 PMAQI
18th Jul 2025642 PMAQI
18th Jul 2025563 PMAQI
18th Jul 2025564 PMAQI
18th Jul 2025565 PMAQI
18th Jul 2025586 PMAQI
18th Jul 2025617 PMAQI
18th Jul 2025648 PMAQI
18th Jul 2025659 PMAQI
18th Jul 20256410 PMAQI
18th Jul 20256511 PMAQI
19th Jul 20256612 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 2025788 AMAQI
19th Jul 2025809 AMAQI
19th Jul 20258210 AMAQI
19th Jul 20257611 AMAQI
19th Jul 20257112 PMAQI
19th Jul 2025701 PMAQI
19th Jul 2025702 PMAQI
19th Jul 2025673 PMAQI
19th Jul 2025644 PMAQI
19th Jul 2025655 PMAQI
19th Jul 2025646 PMAQI
19th Jul 2025647 PMAQI
19th Jul 2025648 PMAQI
19th Jul 2025669 PMAQI
19th Jul 20256610 PMAQI
19th Jul 20256711 PMAQI
20th Jul 20256812 AMAQI
20th Jul 2025661 AMAQI
20th Jul 2025672 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 2025728 AMAQI
20th Jul 2025699 AMAQI
20th Jul 20256510 AMAQI
20th Jul 20256611 AMAQI
20th Jul 20256412 PMAQI
20th Jul 2025641 PMAQI
20th Jul 2025672 PMAQI
20th Jul 2025693 PMAQI
20th Jul 2025704 PMAQI
20th Jul 2025765 PMAQI
20th Jul 2025776 PMAQI
20th Jul 2025787 PMAQI
20th Jul 2025748 PMAQI
20th Jul 2025689 PMAQI
20th Jul 20257010 PMAQI
20th Jul 20257111 PMAQI
21st Jul 20256612 AMAQI
21st Jul 2025681 AMAQI
21st Jul 2025662 AMAQI
21st Jul 2025673 AMAQI
21st Jul 2025674 AMAQI
33°C29/39°C
21st Jul 2025685 AMAQI
21st Jul 2025686 AMAQI
21st Jul 2025687 AMAQI
21st Jul 2025588 AMAQI
21st Jul 2025569 AMAQI
21st Jul 20255110 AMAQI
21st Jul 20255311 AMAQI
21st Jul 20256112 PMAQI
21st Jul 2025641 PMAQI
21st Jul 2025622 PMAQI
21st Jul 2025653 PMAQI
21st Jul 2025644 PMAQI
21st Jul 2025685 PMAQI
21st Jul 2025706 PMAQI
21st Jul 2025707 PMAQI
21st Jul 2025688 PMAQI
21st Jul 2025719 PMAQI
21st Jul 20257410 PMAQI
21st Jul 20257511 PMAQI
22nd Jul 20257212 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 2025778 AMAQI
22nd Jul 2025809 AMAQI
22nd Jul 20256610 AMAQI
22nd Jul 20255411 AMAQI
22nd Jul 20255912 PMAQI
22nd Jul 2025611 PMAQI
22nd Jul 2025542 PMAQI
22nd Jul 2025523 PMAQI
22nd Jul 2025434 PMAQI
22nd Jul 2025495 PMAQI
22nd Jul 2025536 PMAQI
22nd Jul 2025567 PMAQI
22nd Jul 2025648 PMAQI
22nd Jul 2025669 PMAQI
22nd Jul 20256410 PMAQI
22nd Jul 20256511 PMAQI
23rd Jul 20256312 AMAQI
23rd Jul 2025641 AMAQI
23rd Jul 2025672 AMAQI
23rd Jul 2025663 AMAQI
23rd Jul 2025654 AMAQI
29°C25/34°C
23rd Jul 2025665 AMAQI
23rd Jul 2025666 AMAQI
23rd Jul 2025667 AMAQI
23rd Jul 2025398 AMAQI
23rd Jul 2025309 AMAQI
23rd Jul 20254010 AMAQI
23rd Jul 20255511 AMAQI
23rd Jul 20255812 PMAQI
23rd Jul 2025601 PMAQI
23rd Jul 2025582 PMAQI
23rd Jul 2025593 PMAQI
23rd Jul 2025564 PMAQI
23rd Jul 2025535 PMAQI
23rd Jul 2025546 PMAQI
23rd Jul 2025497 PMAQI
23rd Jul 2025588 PMAQI
23rd Jul 2025589 PMAQI
23rd Jul 20256010 PMAQI
23rd Jul 20255811 PMAQI
24th Jul 20256012 AMAQI
24th Jul 2025621 AMAQI
24th Jul 2025642 AMAQI
24th Jul 2025643 AMAQI
24th Jul 2025624 AMAQI
30°C25/35°C
24th Jul 2025625 AMAQI
24th Jul 2025626 AMAQI
24th Jul 2025627 AMAQI
24th Jul 2025518 AMAQI
24th Jul 2025489 AMAQI
24th Jul 20255210 AMAQI
24th Jul 20255611 AMAQI
24th Jul 20256312 PMAQI
24th Jul 2025601 PMAQI
24th Jul 2025572 PMAQI
24th Jul 2025543 PMAQI
24th Jul 2025524 PMAQI
24th Jul 2025535 PMAQI
24th Jul 2025526 PMAQI
24th Jul 2025597 PMAQI
24th Jul 2025618 PMAQI
24th Jul 2025609 PMAQI
24th Jul 20256110 PMAQI
24th Jul 20256011 PMAQI
25th Jul 20256012 AMAQI
25th Jul 2025601 AMAQI
25th Jul 2025612 AMAQI
25th Jul 2025613 AMAQI
25th Jul 2025604 AMAQI
31°C26/37°C
25th Jul 2025605 AMAQI
25th Jul 2025606 AMAQI
25th Jul 2025607 AMAQI
25th Jul 2025618 AMAQI
25th Jul 2025619 AMAQI
25th Jul 20256710 AMAQI
25th Jul 20256611 AMAQI
25th Jul 20256312 PMAQI
25th Jul 2025651 PMAQI
25th Jul 2025642 PMAQI
25th Jul 2025583 PMAQI
25th Jul 2025594 PMAQI
25th Jul 2025575 PMAQI
25th Jul 2025586 PMAQI
25th Jul 2025607 PMAQI
25th Jul 2025618 PMAQI
25th Jul 2025609 PMAQI
25th Jul 20256210 PMAQI
25th Jul 20256211 PMAQI
26th Jul 20256212 AMAQI
26th Jul 2025601 AMAQI
26th Jul 2025602 AMAQI
26th Jul 2025603 AMAQI
26th Jul 2025604 AMAQI
33°C28/40°C
26th Jul 2025605 AMAQI
26th Jul 2025606 AMAQI
26th Jul 2025607 AMAQI
26th Jul 2025648 AMAQI
26th Jul 2025629 AMAQI
26th Jul 20256310 AMAQI
26th Jul 20256111 AMAQI
26th Jul 20256012 PMAQI
26th Jul 2025601 PMAQI
26th Jul 2025602 PMAQI
26th Jul 2025573 PMAQI
26th Jul 2025584 PMAQI
26th Jul 2025585 PMAQI
26th Jul 2025576 PMAQI
26th Jul 2025587 PMAQI
26th Jul 2025598 PMAQI
26th Jul 2025609 PMAQI
26th Jul 20256010 PMAQI
26th Jul 20256211 PMAQI
27th Jul 20256212 AMAQI
27th Jul 2025591 AMAQI
27th Jul 2025602 AMAQI
27th Jul 2025603 AMAQI
27th Jul 2025604 AMAQI
32°C27/38°C
27th Jul 2025605 AMAQI
27th Jul 2025606 AMAQI
27th Jul 2025607 AMAQI
27th Jul 2025608 AMAQI
27th Jul 2025619 AMAQI
27th Jul 20255910 AMAQI
27th Jul 20256011 AMAQI
27th Jul 20256012 PMAQI
27th Jul 2025621 PMAQI
27th Jul 2025582 PMAQI
27th Jul 2025563 PMAQI
27th Jul 2025554 PMAQI
27th Jul 2025605 PMAQI
27th Jul 2025596 PMAQI
27th Jul 2025577 PMAQI
27th Jul 2025608 PMAQI
27th Jul 2025629 PMAQI
27th Jul 20256110 PMAQI
27th Jul 20256211 PMAQI
28th Jul 20256212 AMAQI
28th Jul 2025601 AMAQI
28th Jul 2025602 AMAQI
28th Jul 2025603 AMAQI
28th Jul 2025604 AMAQI
33°C28/38°C
28th Jul 2025605 AMAQI
28th Jul 2025606 AMAQI
28th Jul 2025607 AMAQI
28th Jul 2025618 AMAQI
28th Jul 2025609 AMAQI
28th Jul 20255910 AMAQI
28th Jul 20256111 AMAQI
28th Jul 20256412 PMAQI
28th Jul 2025591 PMAQI
28th Jul 2025592 PMAQI
28th Jul 2025563 PMAQI
28th Jul 2025564 PMAQI
28th Jul 2025565 PMAQI
28th Jul 2025586 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 2025604 AMAQI
34°C28/40°C
29th Jul 2025615 AMAQI
29th Jul 2025616 AMAQI
29th Jul 2025617 AMAQI
29th Jul 2025578 AMAQI
29th Jul 2025559 AMAQI
29th Jul 20255710 AMAQI
29th Jul 20255811 AMAQI
29th Jul 20256012 PMAQI
29th Jul 2025591 PMAQI
29th Jul 2025602 PMAQI
29th Jul 2025593 PMAQI
29th Jul 2025594 PMAQI
29th Jul 2025595 PMAQI
29th Jul 2025586 PMAQI
29th Jul 2025597 PMAQI
29th Jul 2025598 PMAQI
29th Jul 2025599 PMAQI
29th Jul 20255810 PMAQI
29th Jul 20255711 PMAQI
30th Jul 20255812 AMAQI
30th Jul 2025601 AMAQI
30th Jul 2025612 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 2025628 AMAQI
30th Jul 2025639 AMAQI
30th Jul 20255910 AMAQI
30th Jul 20255511 AMAQI
30th Jul 20255212 PMAQI
30th Jul 2025501 PMAQI
30th Jul 2025482 PMAQI
30th Jul 2025433 PMAQI
30th Jul 2025444 PMAQI
30th Jul 2025465 PMAQI
30th Jul 2025476 PMAQI
30th Jul 2025557 PMAQI
30th Jul 2025588 PMAQI
30th Jul 2025609 PMAQI
30th Jul 20255810 PMAQI
30th Jul 20255911 PMAQI
31st Jul 20255812 AMAQI
31st Jul 2025601 AMAQI
31st Jul 2025602 AMAQI
31st Jul 2025603 AMAQI
31st Jul 2025604 AMAQI
33°C28/40°C
31st Jul 2025605 AMAQI
31st Jul 2025606 AMAQI
31st Jul 2025607 AMAQI
31st Jul 2025608 AMAQI
31st Jul 2025609 AMAQI
31st Jul 20256010 AMAQI
31st Jul 20256111 AMAQI
31st Jul 20256012 PMAQI
31st Jul 2025641 PMAQI
31st Jul 2025602 PMAQI
31st Jul 2025593 PMAQI
31st Jul 2025584 PMAQI
31st Jul 2025565 PMAQI
31st Jul 2025566 PMAQI
31st Jul 2025587 PMAQI
31st Jul 2025598 PMAQI
31st Jul 2025639 PMAQI
31st Jul 20256310 PMAQI
31st Jul 20256411 PMAQI
1st Aug 20256012 AMAQI
1st Aug 2025601 AMAQI
1st Aug 2025602 AMAQI
1st Aug 2025613 AMAQI
1st Aug 2025594 AMAQI
33°C27/39°C
1st Aug 2025605 AMAQI
1st Aug 2025606 AMAQI
1st Aug 2025597 AMAQI
1st Aug 2025658 AMAQI
1st Aug 2025669 AMAQI
1st Aug 20256710 AMAQI
1st Aug 20256311 AMAQI
1st Aug 20256112 PMAQI
1st Aug 2025681 PMAQI
1st Aug 2025672 PMAQI
1st Aug 2025683 PMAQI
1st Aug 2025654 PMAQI
1st Aug 2025625 PMAQI
1st Aug 2025636 PMAQI
1st Aug 2025647 PMAQI
1st Aug 2025618 PMAQI
1st Aug 2025649 PMAQI
1st Aug 20256610 PMAQI
1st Aug 20256411 PMAQI
2nd Aug 20256312 AMAQI
2nd Aug 2025601 AMAQI
2nd Aug 2025592 AMAQI
2nd Aug 2025603 AMAQI
2nd Aug 2025624 AMAQI
33°C27/39°C
2nd Aug 2025615 AMAQI
2nd Aug 2025616 AMAQI
2nd Aug 2025617 AMAQI
2nd Aug 2025688 AMAQI
2nd Aug 2025659 AMAQI
2nd Aug 20256710 AMAQI
2nd Aug 20256411 AMAQI
2nd Aug 20256812 PMAQI
2nd Aug 2025711 PMAQI
2nd Aug 2025662 PMAQI
2nd Aug 2025643 PMAQI
2nd Aug 2025634 PMAQI
2nd Aug 2025665 PMAQI
2nd Aug 2025646 PMAQI
2nd Aug 2025637 PMAQI
2nd Aug 2025628 PMAQI
2nd Aug 2025629 PMAQI
2nd Aug 20256210 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 2025718 AMAQI
3rd Aug 2025749 AMAQI
3rd Aug 20256610 AMAQI
3rd Aug 20256511 AMAQI
3rd Aug 20256312 PMAQI
3rd Aug 2025661 PMAQI
3rd Aug 2025652 PMAQI
3rd Aug 2025643 PMAQI
3rd Aug 2025644 PMAQI
3rd Aug 2025605 PMAQI
3rd Aug 2025626 PMAQI
3rd Aug 2025627 PMAQI
3rd Aug 2025638 PMAQI
3rd Aug 2025629 PMAQI
3rd Aug 20256410 PMAQI
3rd Aug 20256411 PMAQI
4th Aug 20256212 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
5 AM4th Aug 2025626 AMAQI
4th Aug 2025637 AMAQI
4th Aug 2025758 AMAQI
4th Aug 2025749 AMAQI
4th Aug 20257510 AMAQI
4th Aug 20257311 AMAQI
4th Aug 20258012 PMAQI
12 PM4th Aug 2025761 PMAQI
4th Aug 2025732 PMAQI
4th Aug 2025713 PMAQI
4th Aug 2025654 PMAQI
4th Aug 2025675 PMAQI
4th Aug 2025666 PMAQI
4th Aug 2025667 PMAQI
7 PM4th Aug 2025668 PMAQI
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 7 PM
64AQI
15 hours / Day
450 hours / Month
Avg. Lowest Time
5 AM - 7 PM
64AQI
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. 64), while the lowest AQI was between 5 AM to 7 PM (Avg. 64).
Night time
Avg. Highest Time
12 AM - 11 PM
64AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
64AQI
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. 64), while the lowest AQI was between 12 AM to 11 PM (Avg. 64).
2025 Days Vs Air Quality
Huiji District, Zhengzhou, Henan, China
2025
2%
1
79%
52
20%
13
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Good
1 DaysModerate
52 DaysPoor
13 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 2%
Health Risk Level:
Extreme
In 2025, 2% of 216 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
Huiji District, 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 May 2025
106AQI
106AQI
2nd May 2025
108AQI
108AQI
3rd May 2025
106AQI
106AQI
1st June 2025
110AQI
110AQI
2nd June 2025
108AQI
108AQI
3rd June 2025
103AQI
103AQI
4th June 2025
104AQI
104AQI
5th June 2025
102AQI
102AQI
6th June 2025
106AQI
106AQI
7th June 2025
115AQI
115AQI
8th June 2025
114AQI
114AQI
9th June 2025
108AQI
108AQI
10th June 2025
105AQI
105AQI
11th June 2025
99AQI
99AQI
12th June 2025
96AQI
96AQI
13th June 2025
99AQI
99AQI
14th June 2025
92AQI
92AQI
15th June 2025
87AQI
87AQI
16th June 2025
87AQI
87AQI
17th June 2025
85AQI
85AQI
18th June 2025
66AQI
66AQI
19th June 2025
63AQI
63AQI
20th June 2025
66AQI
66AQI
21st June 2025
64AQI
64AQI
22nd June 2025
53AQI
53AQI
23rd June 2025
60AQI
60AQI
24th June 2025
65AQI
65AQI
25th June 2025
77AQI
77AQI
26th June 2025
63AQI
63AQI
27th June 2025
65AQI
65AQI
28th June 2025
60AQI
60AQI
29th June 2025
57AQI
57AQI
30th June 2025
58AQI
58AQI
1st July 2025
51AQI
51AQI
2nd July 2025
53AQI
53AQI
3rd July 2025
51AQI
51AQI
4th July 2025
55AQI
55AQI
5th July 2025
50AQI
50AQI
6th July 2025
54AQI
54AQI
7th July 2025
57AQI
57AQI
8th July 2025
60AQI
60AQI
9th July 2025
63AQI
63AQI
10th July 2025
70AQI
70AQI
11th July 2025
78AQI
78AQI
12th July 2025
76AQI
76AQI
13th July 2025
71AQI
71AQI
14th July 2025
71AQI
71AQI
15th July 2025
74AQI
74AQI
16th July 2025
69AQI
69AQI
17th July 2025
63AQI
63AQI
18th July 2025
66AQI
66AQI
19th July 2025
68AQI
68AQI
20th July 2025
69AQI
69AQI
21st July 2025
66AQI
66AQI
22nd July 2025
64AQI
64AQI
23rd July 2025
58AQI
58AQI
24th July 2025
59AQI
59AQI
25th July 2025
61AQI
61AQI
26th July 2025
60AQI
60AQI
27th July 2025
60AQI
60AQI
28th July 2025
60AQI
60AQI
29th July 2025
59AQI
59AQI
30th July 2025
56AQI
56AQI
31st July 2025
60AQI
60AQI
1st August 2025
62AQI
62AQI
2nd August 2025
64AQI
64AQI
107AQI
85AQI
62AQI
63AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202574AQI
3
20
10
1
30
2
1
52
13
Highest AQI recorded in
May107AQI
Lowest AQI recorded in
July62AQI
Most & Least Polluted Years Over the Last 1 Years
Most Polluted Year Recorded
2025(Avg.)
74AQILeast Polluted Year Recorded
2025(Avg.)
74AQIHuiji District's annual 2025 AQI (74) shows an average percentage change of NaN% (improved AQI) compared to previous years: .
