Biyang County Urban Construction Bureau, Yakou, 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
Biyang County Urban Construction Bureau, Yakou, Henan, China
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
11th Aug 2024
81AQILowest AQI recorded on
2nd Aug 2024
37AQISame Day Analysis (5th August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 66 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Biyang County Urban Construction Bureau, Yakou, Henan, China
AQI
Day
Night
.
5 AM6th Aug 2025
7 PM
4 AM7th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
5AM6th Aug
66AQI
Avg. Lowest Time
6PM6th Aug
52AQI
In the last 24 hours,
Biyang County Urban Construction Bureau's AQI reached its highest point of 66 at 5 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Biyang County Urban Construction Bureau, Yakou, 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 2025565 AMAQI
8th Jul 2025566 AMAQI
8th Jul 2025567 AMAQI
8th Jul 2025628 AMAQI
8th Jul 2025739 AMAQI
8th Jul 20257310 AMAQI
8th Jul 20257411 AMAQI
8th Jul 20257212 PMAQI
8th Jul 2025761 PMAQI
8th Jul 2025762 PMAQI
8th Jul 2025763 PMAQI
8th Jul 2025754 PMAQI
8th Jul 2025745 PMAQI
8th Jul 2025606 PMAQI
8th Jul 2025547 PMAQI
8th Jul 2025608 PMAQI
8th Jul 2025639 PMAQI
8th Jul 20256310 PMAQI
8th Jul 20256211 PMAQI
9th Jul 20256212 AMAQI
9th Jul 2025561 AMAQI
9th Jul 2025562 AMAQI
9th Jul 2025573 AMAQI
9th Jul 2025594 AMAQI
30°C26/36°C
9th Jul 2025585 AMAQI
9th Jul 2025586 AMAQI
9th Jul 2025587 AMAQI
9th Jul 2025698 AMAQI
9th Jul 2025699 AMAQI
9th Jul 20256810 AMAQI
9th Jul 20256211 AMAQI
9th Jul 20255812 PMAQI
9th Jul 2025561 PMAQI
9th Jul 2025522 PMAQI
9th Jul 2025483 PMAQI
9th Jul 2025464 PMAQI
9th Jul 2025445 PMAQI
9th Jul 2025466 PMAQI
9th Jul 2025527 PMAQI
9th Jul 2025608 PMAQI
9th Jul 2025609 PMAQI
9th Jul 20255910 PMAQI
9th Jul 20255611 PMAQI
10th Jul 20255712 AMAQI
10th Jul 2025581 AMAQI
10th Jul 2025582 AMAQI
10th Jul 2025583 AMAQI
10th Jul 2025604 AMAQI
29°C24/34°C
10th Jul 2025605 AMAQI
10th Jul 2025606 AMAQI
10th Jul 2025607 AMAQI
10th Jul 2025618 AMAQI
10th Jul 2025619 AMAQI
10th Jul 20255910 AMAQI
10th Jul 20255911 AMAQI
10th Jul 20255712 PMAQI
10th Jul 2025591 PMAQI
10th Jul 2025632 PMAQI
10th Jul 2025623 PMAQI
10th Jul 2025604 PMAQI
10th Jul 2025615 PMAQI
10th Jul 2025606 PMAQI
10th Jul 2025607 PMAQI
10th Jul 2025628 PMAQI
10th Jul 2025629 PMAQI
10th Jul 20256310 PMAQI
10th Jul 20256411 PMAQI
11th Jul 20256412 AMAQI
11th Jul 2025581 AMAQI
11th Jul 2025582 AMAQI
11th Jul 2025593 AMAQI
11th Jul 2025604 AMAQI
29°C25/35°C
11th Jul 2025605 AMAQI
11th Jul 2025596 AMAQI
11th Jul 2025597 AMAQI
11th Jul 2025818 AMAQI
11th Jul 2025909 AMAQI
11th Jul 20259410 AMAQI
11th Jul 20259611 AMAQI
11th Jul 20259112 PMAQI
11th Jul 2025911 PMAQI
11th Jul 2025872 PMAQI
11th Jul 2025863 PMAQI
11th Jul 2025844 PMAQI
11th Jul 2025865 PMAQI
11th Jul 2025836 PMAQI
11th Jul 2025787 PMAQI
11th Jul 2025718 PMAQI
11th Jul 2025729 PMAQI
11th Jul 20257210 PMAQI
11th Jul 20257111 PMAQI
12th Jul 20257612 AMAQI
12th Jul 2025631 AMAQI
12th Jul 2025602 AMAQI
12th Jul 2025623 AMAQI
12th Jul 2025664 AMAQI
29°C24/34°C
12th Jul 2025665 AMAQI
12th Jul 2025666 AMAQI
12th Jul 2025667 AMAQI
12th Jul 2025918 AMAQI
12th Jul 20251009 AMAQI
12th Jul 20259710 AMAQI
12th Jul 20258811 AMAQI
12th Jul 20258412 PMAQI
12th Jul 2025841 PMAQI
12th Jul 2025762 PMAQI
12th Jul 2025743 PMAQI
12th Jul 2025764 PMAQI
12th Jul 2025775 PMAQI
12th Jul 2025756 PMAQI
12th Jul 2025637 PMAQI
12th Jul 2025648 PMAQI
12th Jul 2025669 PMAQI
12th Jul 20256510 PMAQI
12th Jul 20256411 PMAQI
13th Jul 20256412 AMAQI
13th Jul 2025651 AMAQI
13th Jul 2025662 AMAQI
13th Jul 2025673 AMAQI
13th Jul 2025714 AMAQI
28°C24/32°C
13th Jul 2025715 AMAQI
13th Jul 2025716 AMAQI
13th Jul 2025717 AMAQI
13th Jul 2025728 AMAQI
13th Jul 2025689 AMAQI
13th Jul 20257010 AMAQI
13th Jul 20256511 AMAQI
13th Jul 20256512 PMAQI
13th Jul 2025631 PMAQI
13th Jul 2025612 PMAQI
13th Jul 2025613 PMAQI
13th Jul 2025584 PMAQI
13th Jul 2025565 PMAQI
13th Jul 2025546 PMAQI
13th Jul 2025577 PMAQI
13th Jul 2025628 PMAQI
13th Jul 2025639 PMAQI
13th Jul 20256210 PMAQI
13th Jul 20256311 PMAQI
14th Jul 20256312 AMAQI
14th Jul 2025661 AMAQI
14th Jul 2025682 AMAQI
14th Jul 2025673 AMAQI
14th Jul 2025694 AMAQI
30°C24/36°C
14th Jul 2025685 AMAQI
14th Jul 2025686 AMAQI
14th Jul 2025677 AMAQI
14th Jul 2025628 AMAQI
14th Jul 2025609 AMAQI
14th Jul 20255910 AMAQI
14th Jul 20256211 AMAQI
14th Jul 20256412 PMAQI
14th Jul 2025661 PMAQI
14th Jul 2025652 PMAQI
14th Jul 2025583 PMAQI
14th Jul 2025524 PMAQI
14th Jul 2025545 PMAQI
14th Jul 2025556 PMAQI
14th Jul 2025577 PMAQI
14th Jul 2025628 PMAQI
14th Jul 2025649 PMAQI
14th Jul 20256510 PMAQI
14th Jul 20256411 PMAQI
15th Jul 20256612 AMAQI
15th Jul 2025661 AMAQI
15th Jul 2025672 AMAQI
15th Jul 2025683 AMAQI
15th Jul 2025684 AMAQI
31°C26/37°C
15th Jul 2025685 AMAQI
15th Jul 2025686 AMAQI
15th Jul 2025687 AMAQI
15th Jul 2025638 AMAQI
15th Jul 2025629 AMAQI
15th Jul 20256410 AMAQI
15th Jul 20256211 AMAQI
15th Jul 20256412 PMAQI
15th Jul 2025651 PMAQI
15th Jul 2025622 PMAQI
15th Jul 2025613 PMAQI
15th Jul 2025594 PMAQI
15th Jul 2025575 PMAQI
15th Jul 2025606 PMAQI
15th Jul 2025627 PMAQI
15th Jul 2025638 PMAQI
15th Jul 2025659 PMAQI
15th Jul 20256510 PMAQI
15th Jul 20256611 PMAQI
16th Jul 20256512 AMAQI
16th Jul 2025661 AMAQI
16th Jul 2025672 AMAQI
16th Jul 2025663 AMAQI
16th Jul 2025644 AMAQI
31°C26/37°C
16th Jul 2025645 AMAQI
16th Jul 2025646 AMAQI
16th Jul 2025637 AMAQI
16th Jul 2025748 AMAQI
16th Jul 2025759 AMAQI
16th Jul 20257410 AMAQI
16th Jul 20257311 AMAQI
16th Jul 20257412 PMAQI
16th Jul 2025751 PMAQI
16th Jul 2025712 PMAQI
16th Jul 2025733 PMAQI
16th Jul 2025784 PMAQI
16th Jul 2025785 PMAQI
16th Jul 2025816 PMAQI
16th Jul 2025757 PMAQI
16th Jul 2025718 PMAQI
16th Jul 2025689 PMAQI
16th Jul 20256610 PMAQI
16th Jul 20256711 PMAQI
17th Jul 20256612 AMAQI
17th Jul 2025661 AMAQI
17th Jul 2025652 AMAQI
17th Jul 2025663 AMAQI
17th Jul 2025684 AMAQI
32°C25/40°C
17th Jul 2025685 AMAQI
17th Jul 2025676 AMAQI
17th Jul 2025687 AMAQI
17th Jul 2025678 AMAQI
17th Jul 2025699 AMAQI
17th Jul 20257010 AMAQI
17th Jul 20256811 AMAQI
17th Jul 20256412 PMAQI
17th Jul 2025661 PMAQI
17th Jul 2025632 PMAQI
17th Jul 2025643 PMAQI
17th Jul 2025654 PMAQI
17th Jul 2025625 PMAQI
17th Jul 2025626 PMAQI
17th Jul 2025647 PMAQI
17th Jul 2025648 PMAQI
17th Jul 2025639 PMAQI
17th Jul 20256510 PMAQI
17th Jul 20256511 PMAQI
18th Jul 20256612 AMAQI
18th Jul 2025671 AMAQI
18th Jul 2025672 AMAQI
18th Jul 2025663 AMAQI
18th Jul 2025644 AMAQI
31°C25/37°C
18th Jul 2025645 AMAQI
18th Jul 2025646 AMAQI
18th Jul 2025647 AMAQI
18th Jul 2025678 AMAQI
18th Jul 2025709 AMAQI
18th Jul 20256610 AMAQI
18th Jul 20256311 AMAQI
18th Jul 20256212 PMAQI
18th Jul 2025651 PMAQI
18th Jul 2025622 PMAQI
18th Jul 2025583 PMAQI
18th Jul 2025564 PMAQI
18th Jul 2025595 PMAQI
18th Jul 2025606 PMAQI
18th Jul 2025647 PMAQI
18th Jul 2025648 PMAQI
18th Jul 2025649 PMAQI
18th Jul 20256410 PMAQI
18th Jul 20256811 PMAQI
19th Jul 20256812 AMAQI
19th Jul 2025651 AMAQI
19th Jul 2025652 AMAQI
19th Jul 2025663 AMAQI
19th Jul 2025664 AMAQI
31°C26/36°C
19th Jul 2025665 AMAQI
19th Jul 2025656 AMAQI
19th Jul 2025647 AMAQI
19th Jul 2025728 AMAQI
19th Jul 2025699 AMAQI
19th Jul 20256610 AMAQI
19th Jul 20256511 AMAQI
19th Jul 20256112 PMAQI
19th Jul 2025621 PMAQI
19th Jul 2025612 PMAQI
19th Jul 2025623 PMAQI
19th Jul 2025604 PMAQI
19th Jul 2025615 PMAQI
19th Jul 2025646 PMAQI
19th Jul 2025647 PMAQI
19th Jul 2025668 PMAQI
19th Jul 2025649 PMAQI
19th Jul 20256410 PMAQI
19th Jul 20256611 PMAQI
20th Jul 20256612 AMAQI
20th Jul 2025651 AMAQI
20th Jul 2025652 AMAQI
20th Jul 2025653 AMAQI
20th Jul 2025664 AMAQI
29°C24/34°C
20th Jul 2025655 AMAQI
20th Jul 2025666 AMAQI
20th Jul 2025667 AMAQI
20th Jul 2025708 AMAQI
20th Jul 2025709 AMAQI
20th Jul 20257810 AMAQI
20th Jul 20257811 AMAQI
20th Jul 20257212 PMAQI
20th Jul 2025701 PMAQI
20th Jul 2025672 PMAQI
20th Jul 2025643 PMAQI
20th Jul 2025614 PMAQI
20th Jul 2025565 PMAQI
20th Jul 2025586 PMAQI
20th Jul 2025597 PMAQI
20th Jul 2025608 PMAQI
20th Jul 2025609 PMAQI
20th Jul 20256110 PMAQI
20th Jul 20256311 PMAQI
21st Jul 20256212 AMAQI
21st Jul 2025651 AMAQI
21st Jul 2025652 AMAQI
21st Jul 2025643 AMAQI
21st Jul 2025644 AMAQI
29°C24/37°C
21st Jul 2025645 AMAQI
21st Jul 2025646 AMAQI
21st Jul 2025647 AMAQI
21st Jul 2025648 AMAQI
21st Jul 2025649 AMAQI
21st Jul 20256510 AMAQI
21st Jul 20256511 AMAQI
21st Jul 20255712 PMAQI
21st Jul 2025551 PMAQI
21st Jul 2025532 PMAQI
21st Jul 2025553 PMAQI
21st Jul 2025564 PMAQI
21st Jul 2025585 PMAQI
21st Jul 2025586 PMAQI
21st Jul 2025597 PMAQI
21st Jul 2025598 PMAQI
21st Jul 2025639 PMAQI
21st Jul 20256410 PMAQI
21st Jul 20256711 PMAQI
22nd Jul 20256612 AMAQI
22nd Jul 2025631 AMAQI
22nd Jul 2025632 AMAQI
22nd Jul 2025623 AMAQI
22nd Jul 2025624 AMAQI
28°C24/33°C
22nd Jul 2025625 AMAQI
22nd Jul 2025626 AMAQI
22nd Jul 2025627 AMAQI
22nd Jul 2025708 AMAQI
22nd Jul 2025689 AMAQI
22nd Jul 20256410 AMAQI
22nd Jul 20256411 AMAQI
22nd Jul 20256612 PMAQI
22nd Jul 2025661 PMAQI
22nd Jul 2025602 PMAQI
22nd Jul 2025613 PMAQI
22nd Jul 2025584 PMAQI
22nd Jul 2025585 PMAQI
22nd Jul 2025576 PMAQI
22nd Jul 2025567 PMAQI
22nd Jul 2025548 PMAQI
22nd Jul 2025569 PMAQI
22nd Jul 20255610 PMAQI
22nd Jul 20255511 PMAQI
23rd Jul 20255712 AMAQI
23rd Jul 2025621 AMAQI
23rd Jul 2025632 AMAQI
23rd Jul 2025643 AMAQI
23rd Jul 2025654 AMAQI
28°C25/31°C
23rd Jul 2025645 AMAQI
23rd Jul 2025646 AMAQI
23rd Jul 2025647 AMAQI
23rd Jul 2025528 AMAQI
23rd Jul 2025439 AMAQI
23rd Jul 20254310 AMAQI
23rd Jul 20253111 AMAQI
23rd Jul 20253212 PMAQI
23rd Jul 2025311 PMAQI
23rd Jul 2025342 PMAQI
23rd Jul 2025303 PMAQI
23rd Jul 2025314 PMAQI
23rd Jul 2025335 PMAQI
23rd Jul 2025306 PMAQI
23rd Jul 2025417 PMAQI
23rd Jul 2025548 PMAQI
23rd Jul 2025549 PMAQI
23rd Jul 20255410 PMAQI
23rd Jul 20255411 PMAQI
24th Jul 20255312 AMAQI
24th Jul 2025531 AMAQI
24th Jul 2025582 AMAQI
24th Jul 2025603 AMAQI
24th Jul 2025594 AMAQI
28°C24/32°C
24th Jul 2025585 AMAQI
24th Jul 2025596 AMAQI
24th Jul 2025597 AMAQI
24th Jul 2025458 AMAQI
24th Jul 2025499 AMAQI
24th Jul 20254010 AMAQI
24th Jul 20255211 AMAQI
24th Jul 20255212 PMAQI
24th Jul 2025541 PMAQI
24th Jul 2025562 PMAQI
24th Jul 2025563 PMAQI
24th Jul 2025544 PMAQI
24th Jul 2025505 PMAQI
24th Jul 2025476 PMAQI
24th Jul 2025487 PMAQI
24th Jul 2025568 PMAQI
24th Jul 2025569 PMAQI
24th Jul 20255810 PMAQI
24th Jul 20255411 PMAQI
25th Jul 20255512 AMAQI
25th Jul 2025571 AMAQI
25th Jul 2025572 AMAQI
25th Jul 2025573 AMAQI
25th Jul 2025554 AMAQI
29°C25/34°C
25th Jul 2025545 AMAQI
25th Jul 2025556 AMAQI
25th Jul 2025557 AMAQI
25th Jul 2025538 AMAQI
25th Jul 2025539 AMAQI
25th Jul 20255410 AMAQI
25th Jul 20254911 AMAQI
25th Jul 20255312 PMAQI
25th Jul 2025581 PMAQI
25th Jul 2025552 PMAQI
25th Jul 2025543 PMAQI
25th Jul 2025534 PMAQI
25th Jul 2025465 PMAQI
25th Jul 2025486 PMAQI
25th Jul 2025527 PMAQI
25th Jul 2025548 PMAQI
25th Jul 2025569 PMAQI
25th Jul 20255510 PMAQI
25th Jul 20255711 PMAQI
26th Jul 20255612 AMAQI
26th Jul 2025551 AMAQI
26th Jul 2025542 AMAQI
26th Jul 2025543 AMAQI
26th Jul 2025544 AMAQI
30°C26/36°C
26th Jul 2025555 AMAQI
26th Jul 2025556 AMAQI
26th Jul 2025547 AMAQI
26th Jul 2025578 AMAQI
26th Jul 2025589 AMAQI
26th Jul 20256010 AMAQI
26th Jul 20255811 AMAQI
26th Jul 20255712 PMAQI
26th Jul 2025571 PMAQI
26th Jul 2025592 PMAQI
26th Jul 2025583 PMAQI
26th Jul 2025574 PMAQI
26th Jul 2025575 PMAQI
26th Jul 2025546 PMAQI
26th Jul 2025567 PMAQI
26th Jul 2025558 PMAQI
26th Jul 2025569 PMAQI
26th Jul 20255610 PMAQI
26th Jul 20255611 PMAQI
27th Jul 20255412 AMAQI
27th Jul 2025561 AMAQI
27th Jul 2025552 AMAQI
27th Jul 2025553 AMAQI
27th Jul 2025554 AMAQI
29°C24/35°C
27th Jul 2025555 AMAQI
27th Jul 2025556 AMAQI
27th Jul 2025557 AMAQI
27th Jul 2025588 AMAQI
27th Jul 2025589 AMAQI
27th Jul 20255510 AMAQI
27th Jul 20255311 AMAQI
27th Jul 20255312 PMAQI
27th Jul 2025501 PMAQI
27th Jul 2025482 PMAQI
27th Jul 2025463 PMAQI
27th Jul 2025444 PMAQI
27th Jul 2025425 PMAQI
27th Jul 2025436 PMAQI
27th Jul 2025487 PMAQI
27th Jul 2025548 PMAQI
27th Jul 2025549 PMAQI
27th Jul 20255410 PMAQI
27th Jul 20255411 PMAQI
28th Jul 20255412 AMAQI
28th Jul 2025561 AMAQI
28th Jul 2025552 AMAQI
28th Jul 2025553 AMAQI
28th Jul 2025564 AMAQI
29°C25/34°C
28th Jul 2025565 AMAQI
28th Jul 2025556 AMAQI
28th Jul 2025557 AMAQI
28th Jul 2025588 AMAQI
28th Jul 2025619 AMAQI
28th Jul 20256310 AMAQI
28th Jul 20256211 AMAQI
28th Jul 20256212 PMAQI
28th Jul 2025561 PMAQI
28th Jul 2025522 PMAQI
28th Jul 2025523 PMAQI
28th Jul 2025494 PMAQI
28th Jul 2025495 PMAQI
28th Jul 2025406 PMAQI
28th Jul 2025467 PMAQI
28th Jul 2025528 PMAQI
28th Jul 2025509 PMAQI
28th Jul 20255210 PMAQI
28th Jul 20255311 PMAQI
29th Jul 20255112 AMAQI
29th Jul 2025541 AMAQI
29th Jul 2025562 AMAQI
29th Jul 2025563 AMAQI
29th Jul 2025574 AMAQI
29°C24/35°C
29th Jul 2025575 AMAQI
29th Jul 2025576 AMAQI
29th Jul 2025577 AMAQI
29th Jul 2025598 AMAQI
29th Jul 2025589 AMAQI
29th Jul 20255710 AMAQI
29th Jul 20254911 AMAQI
29th Jul 20255112 PMAQI
29th Jul 2025541 PMAQI
29th Jul 2025522 PMAQI
29th Jul 2025523 PMAQI
29th Jul 2025414 PMAQI
29th Jul 2025415 PMAQI
29th Jul 2025406 PMAQI
29th Jul 2025477 PMAQI
29th Jul 2025528 PMAQI
29th Jul 2025589 PMAQI
29th Jul 20255710 PMAQI
29th Jul 20255811 PMAQI
30th Jul 20255612 AMAQI
30th Jul 2025581 AMAQI
30th Jul 2025562 AMAQI
30th Jul 2025563 AMAQI
30th Jul 2025584 AMAQI
30°C26/35°C
30th Jul 2025575 AMAQI
30th Jul 2025586 AMAQI
30th Jul 2025587 AMAQI
30th Jul 2025628 AMAQI
30th Jul 2025639 AMAQI
30th Jul 20256210 AMAQI
30th Jul 20256211 AMAQI
30th Jul 20256212 PMAQI
30th Jul 2025581 PMAQI
30th Jul 2025562 PMAQI
30th Jul 2025553 PMAQI
30th Jul 2025554 PMAQI
30th Jul 2025555 PMAQI
30th Jul 2025576 PMAQI
30th Jul 2025577 PMAQI
30th Jul 2025578 PMAQI
30th Jul 2025569 PMAQI
30th Jul 20255510 PMAQI
30th Jul 20255611 PMAQI
31st Jul 20255812 AMAQI
31st Jul 2025581 AMAQI
31st Jul 2025582 AMAQI
31st Jul 2025583 AMAQI
31st Jul 2025584 AMAQI
29°C26/35°C
31st Jul 2025585 AMAQI
31st Jul 2025586 AMAQI
31st Jul 2025587 AMAQI
31st Jul 2025588 AMAQI
31st Jul 2025589 AMAQI
31st Jul 20256710 AMAQI
31st Jul 20256611 AMAQI
31st Jul 20256912 PMAQI
31st Jul 2025701 PMAQI
31st Jul 2025662 PMAQI
31st Jul 2025623 PMAQI
31st Jul 2025624 PMAQI
31st Jul 2025625 PMAQI
31st Jul 2025656 PMAQI
31st Jul 2025607 PMAQI
31st Jul 2025598 PMAQI
31st Jul 2025619 PMAQI
31st Jul 20255910 PMAQI
31st Jul 20256111 PMAQI
1st Aug 20256212 AMAQI
1st Aug 2025571 AMAQI
1st Aug 2025562 AMAQI
1st Aug 2025573 AMAQI
1st Aug 2025584 AMAQI
29°C23/34°C
1st Aug 2025585 AMAQI
1st Aug 2025586 AMAQI
1st Aug 2025577 AMAQI
1st Aug 2025688 AMAQI
1st Aug 2025609 AMAQI
1st Aug 20256910 AMAQI
1st Aug 20256411 AMAQI
1st Aug 20256612 PMAQI
1st Aug 2025651 PMAQI
1st Aug 2025642 PMAQI
1st Aug 2025623 PMAQI
1st Aug 2025624 PMAQI
1st Aug 2025595 PMAQI
1st Aug 2025626 PMAQI
1st Aug 2025587 PMAQI
1st Aug 2025608 PMAQI
1st Aug 2025609 PMAQI
1st Aug 20256110 PMAQI
1st Aug 20256411 PMAQI
2nd Aug 20256212 AMAQI
2nd Aug 2025581 AMAQI
2nd Aug 2025572 AMAQI
2nd Aug 2025593 AMAQI
2nd Aug 2025604 AMAQI
30°C25/34°C
2nd Aug 2025605 AMAQI
2nd Aug 2025606 AMAQI
2nd Aug 2025597 AMAQI
2nd Aug 2025738 AMAQI
2nd Aug 2025729 AMAQI
2nd Aug 20256610 AMAQI
2nd Aug 20256711 AMAQI
2nd Aug 20256012 PMAQI
2nd Aug 2025651 PMAQI
2nd Aug 2025612 PMAQI
2nd Aug 2025573 PMAQI
2nd Aug 2025474 PMAQI
2nd Aug 2025415 PMAQI
2nd Aug 2025466 PMAQI
2nd Aug 2025537 PMAQI
2nd Aug 2025568 PMAQI
2nd Aug 2025599 PMAQI
2nd Aug 20256010 PMAQI
2nd Aug 20256111 PMAQI
3rd Aug 20256012 AMAQI
3rd Aug 2025581 AMAQI
3rd Aug 2025592 AMAQI
3rd Aug 2025603 AMAQI
3rd Aug 2025614 AMAQI
30°C25/35°C
3rd Aug 2025615 AMAQI
3rd Aug 2025616 AMAQI
3rd Aug 2025617 AMAQI
3rd Aug 2025628 AMAQI
3rd Aug 2025609 AMAQI
3rd Aug 20256710 AMAQI
3rd Aug 20256811 AMAQI
3rd Aug 20256312 PMAQI
3rd Aug 2025611 PMAQI
3rd Aug 2025562 PMAQI
3rd Aug 2025583 PMAQI
3rd Aug 2025574 PMAQI
3rd Aug 2025565 PMAQI
3rd Aug 2025566 PMAQI
3rd Aug 2025587 PMAQI
3rd Aug 2025608 PMAQI
3rd Aug 2025629 PMAQI
3rd Aug 20256310 PMAQI
3rd Aug 20256411 PMAQI
4th Aug 20256112 AMAQI
4th Aug 2025601 AMAQI
4th Aug 2025602 AMAQI
4th Aug 2025613 AMAQI
4th Aug 2025624 AMAQI
32°C26/37°C
4th Aug 2025615 AMAQI
4th Aug 2025616 AMAQI
4th Aug 2025617 AMAQI
4th Aug 2025658 AMAQI
4th Aug 2025709 AMAQI
4th Aug 20257610 AMAQI
4th Aug 20257111 AMAQI
4th Aug 20257412 PMAQI
4th Aug 2025761 PMAQI
4th Aug 2025732 PMAQI
4th Aug 2025703 PMAQI
4th Aug 2025734 PMAQI
4th Aug 2025705 PMAQI
4th Aug 2025686 PMAQI
4th Aug 2025687 PMAQI
4th Aug 2025668 PMAQI
4th Aug 2025679 PMAQI
4th Aug 20256410 PMAQI
4th Aug 20256611 PMAQI
5th Aug 20256412 AMAQI
5th Aug 2025611 AMAQI
5th Aug 2025612 AMAQI
5th Aug 2025623 AMAQI
5th Aug 2025644 AMAQI
32°C27/37°C
5th Aug 2025645 AMAQI
5th Aug 2025636 AMAQI
5th Aug 2025647 AMAQI
5th Aug 2025738 AMAQI
5th Aug 2025699 AMAQI
5th Aug 20257210 AMAQI
5th Aug 20257811 AMAQI
5th Aug 20257312 PMAQI
5th Aug 2025761 PMAQI
5th Aug 2025722 PMAQI
5th Aug 2025723 PMAQI
5th Aug 2025694 PMAQI
5th Aug 2025695 PMAQI
5th Aug 2025646 PMAQI
5th Aug 2025637 PMAQI
5th Aug 2025658 PMAQI
5th Aug 2025659 PMAQI
5th Aug 20256510 PMAQI
5th Aug 20256411 PMAQI
6th Aug 20256412 AMAQI
6th Aug 2025631 AMAQI
6th Aug 2025632 AMAQI
6th Aug 2025653 AMAQI
6th Aug 2025664 AMAQI
32°C28/37°C
6th Aug 2025665 AMAQI
6th Aug 2025666 AMAQI
6th Aug 2025657 AMAQI
6th Aug 2025618 AMAQI
6th Aug 2025649 AMAQI
6th Aug 20256110 AMAQI
6th Aug 20256211 AMAQI
6th Aug 20255812 PMAQI
6th Aug 2025621 PMAQI
6th Aug 2025652 PMAQI
6th Aug 2025663 PMAQI
6th Aug 2025604 PMAQI
6th Aug 2025555 PMAQI
6th Aug 2025526 PMAQI
6th Aug 2025567 PMAQI
6th Aug 2025588 PMAQI
6th Aug 2025629 PMAQI
6th Aug 20256010 PMAQI
6th Aug 20256211 PMAQI
7th Aug 20256212 AMAQI
7th Aug 2025641 AMAQI
7th Aug 2025632 AMAQI
7th Aug 2025643 AMAQI
--°C/°C
5 AM
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
8 AM - 7 PM
62AQI
12 hours / Day
360 hours / Month
Avg. Lowest Time
5 AM - 7 PM
62AQI
15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 7 PM (Avg. 62), while the lowest AQI was between 5 AM to 7 PM (Avg. 62).
Night time
Avg. Highest Time
12 AM - 11 PM
61AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
61AQI
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. 61), while the lowest AQI was between 12 AM to 11 PM (Avg. 61).
2025 Days Vs Air Quality
Biyang County Urban Construction Bureau, Yakou, Henan, China
2025
2%
4
54%
117
34%
74
10%
21
0.4%
1
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Good
4 DaysModerate
117 DaysPoor
74 DaysUnhealthy
21 DaysSevere
1 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 2%
Health Risk Level:
Extreme
In 2025, 2% of 218 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
Biyang County Urban Construction Bureau, Yakou, 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
166AQI
166AQI
2nd January 2025
178AQI
178AQI
3rd January 2025
174AQI
174AQI
4th January 2025
191AQI
191AQI
5th January 2025
150AQI
150AQI
6th January 2025
138AQI
138AQI
7th January 2025
126AQI
126AQI
8th January 2025
121AQI
121AQI
9th January 2025
103AQI
103AQI
10th January 2025
125AQI
125AQI
11th January 2025
119AQI
119AQI
12th January 2025
122AQI
122AQI
13th January 2025
146AQI
146AQI
14th January 2025
122AQI
122AQI
15th January 2025
98AQI
98AQI
16th January 2025
111AQI
111AQI
17th January 2025
121AQI
121AQI
18th January 2025
148AQI
148AQI
19th January 2025
154AQI
154AQI
20th January 2025
161AQI
161AQI
21st January 2025
169AQI
169AQI
22nd January 2025
189AQI
189AQI
23rd January 2025
165AQI
165AQI
24th January 2025
138AQI
138AQI
25th January 2025
128AQI
128AQI
26th January 2025
98AQI
98AQI
27th January 2025
89AQI
89AQI
28th January 2025
117AQI
117AQI
29th January 2025
175AQI
175AQI
30th January 2025
153AQI
153AQI
31st January 2025
168AQI
168AQI
1st February 2025
156AQI
156AQI
2nd February 2025
162AQI
162AQI
3rd February 2025
150AQI
150AQI
4th February 2025
134AQI
134AQI
5th February 2025
101AQI
101AQI
6th February 2025
96AQI
96AQI
7th February 2025
87AQI
87AQI
8th February 2025
77AQI
77AQI
9th February 2025
95AQI
95AQI
10th February 2025
117AQI
117AQI
11th February 2025
134AQI
134AQI
12th February 2025
113AQI
113AQI
13th February 2025
126AQI
126AQI
14th February 2025
131AQI
131AQI
15th February 2025
135AQI
135AQI
16th February 2025
122AQI
122AQI
17th February 2025
116AQI
116AQI
18th February 2025
121AQI
121AQI
19th February 2025
145AQI
145AQI
20th February 2025
146AQI
146AQI
21st February 2025
157AQI
157AQI
22nd February 2025
157AQI
157AQI
23rd February 2025
165AQI
165AQI
24th February 2025
153AQI
153AQI
25th February 2025
147AQI
147AQI
26th February 2025
152AQI
152AQI
27th February 2025
148AQI
148AQI
28th February 2025
159AQI
159AQI
1st March 2025
146AQI
146AQI
2nd March 2025
97AQI
97AQI
3rd March 2025
91AQI
91AQI
4th March 2025
91AQI
91AQI
5th March 2025
110AQI
110AQI
6th March 2025
128AQI
128AQI
7th March 2025
135AQI
135AQI
8th March 2025
141AQI
141AQI
9th March 2025
150AQI
150AQI
10th March 2025
142AQI
142AQI
11th March 2025
145AQI
145AQI
12th March 2025
144AQI
144AQI
13th March 2025
155AQI
155AQI
14th March 2025
106AQI
106AQI
15th March 2025
112AQI
112AQI
16th March 2025
86AQI
86AQI
17th March 2025
83AQI
83AQI
18th March 2025
78AQI
78AQI
19th March 2025
78AQI
78AQI
20th March 2025
71AQI
71AQI
21st March 2025
78AQI
78AQI
22nd March 2025
84AQI
84AQI
23rd March 2025
95AQI
95AQI
24th March 2025
96AQI
96AQI
25th March 2025
94AQI
94AQI
26th March 2025
116AQI
116AQI
27th March 2025
115AQI
115AQI
28th March 2025
108AQI
108AQI
29th March 2025
100AQI
100AQI
30th March 2025
104AQI
104AQI
31st March 2025
101AQI
101AQI
1st April 2025
111AQI
111AQI
2nd April 2025
93AQI
93AQI
3rd April 2025
105AQI
105AQI
4th April 2025
124AQI
124AQI
5th April 2025
99AQI
99AQI
6th April 2025
111AQI
111AQI
7th April 2025
104AQI
104AQI
8th April 2025
115AQI
115AQI
9th April 2025
121AQI
121AQI
10th April 2025
115AQI
115AQI
11th April 2025
112AQI
112AQI
12th April 2025
204AQI
204AQI
13th April 2025
134AQI
134AQI
14th April 2025
98AQI
98AQI
15th April 2025
98AQI
98AQI
16th April 2025
100AQI
100AQI
17th April 2025
109AQI
109AQI
18th April 2025
108AQI
108AQI
19th April 2025
98AQI
98AQI
20th April 2025
98AQI
98AQI
21st April 2025
91AQI
91AQI
22nd April 2025
101AQI
101AQI
23rd April 2025
116AQI
116AQI
24th April 2025
92AQI
92AQI
25th April 2025
100AQI
100AQI
26th April 2025
91AQI
91AQI
27th April 2025
92AQI
92AQI
28th April 2025
76AQI
76AQI
29th April 2025
81AQI
81AQI
30th April 2025
78AQI
78AQI
1st May 2025
84AQI
84AQI
2nd May 2025
88AQI
88AQI
3rd May 2025
82AQI
82AQI
4th May 2025
81AQI
81AQI
5th May 2025
82AQI
82AQI
6th May 2025
132AQI
132AQI
7th May 2025
136AQI
136AQI
8th May 2025
117AQI
117AQI
9th May 2025
112AQI
112AQI
10th May 2025
93AQI
93AQI
11th May 2025
88AQI
88AQI
12th May 2025
89AQI
89AQI
13th May 2025
97AQI
97AQI
14th May 2025
86AQI
86AQI
15th May 2025
99AQI
99AQI
16th May 2025
92AQI
92AQI
17th May 2025
125AQI
125AQI
18th May 2025
113AQI
113AQI
19th May 2025
129AQI
129AQI
20th May 2025
113AQI
113AQI
21st May 2025
107AQI
107AQI
22nd May 2025
97AQI
97AQI
23rd May 2025
112AQI
112AQI
24th May 2025
99AQI
99AQI
25th May 2025
103AQI
103AQI
26th May 2025
97AQI
97AQI
27th May 2025
109AQI
109AQI
28th May 2025
99AQI
99AQI
29th May 2025
98AQI
98AQI
30th May 2025
87AQI
87AQI
31st May 2025
72AQI
72AQI
1st June 2025
77AQI
77AQI
2nd June 2025
74AQI
74AQI
3rd June 2025
80AQI
80AQI
4th June 2025
80AQI
80AQI
5th June 2025
77AQI
77AQI
6th June 2025
80AQI
80AQI
7th June 2025
72AQI
72AQI
8th June 2025
68AQI
68AQI
9th June 2025
71AQI
71AQI
10th June 2025
71AQI
71AQI
11th June 2025
73AQI
73AQI
12th June 2025
75AQI
75AQI
13th June 2025
72AQI
72AQI
14th June 2025
67AQI
67AQI
15th June 2025
64AQI
64AQI
16th June 2025
67AQI
67AQI
17th June 2025
68AQI
68AQI
18th June 2025
57AQI
57AQI
19th June 2025
49AQI
49AQI
20th June 2025
58AQI
58AQI
21st June 2025
59AQI
59AQI
22nd June 2025
53AQI
53AQI
23rd June 2025
58AQI
58AQI
24th June 2025
62AQI
62AQI
25th June 2025
62AQI
62AQI
26th June 2025
54AQI
54AQI
27th June 2025
54AQI
54AQI
28th June 2025
53AQI
53AQI
29th June 2025
51AQI
51AQI
30th June 2025
53AQI
53AQI
1st July 2025
51AQI
51AQI
2nd July 2025
45AQI
45AQI
3rd July 2025
48AQI
48AQI
4th July 2025
52AQI
52AQI
5th July 2025
53AQI
53AQI
6th July 2025
55AQI
55AQI
7th July 2025
57AQI
57AQI
8th July 2025
63AQI
63AQI
9th July 2025
57AQI
57AQI
10th July 2025
60AQI
60AQI
11th July 2025
74AQI
74AQI
12th July 2025
72AQI
72AQI
13th July 2025
64AQI
64AQI
14th July 2025
63AQI
63AQI
15th July 2025
64AQI
64AQI
16th July 2025
70AQI
70AQI
17th July 2025
65AQI
65AQI
18th July 2025
64AQI
64AQI
19th July 2025
65AQI
65AQI
20th July 2025
65AQI
65AQI
21st July 2025
62AQI
62AQI
22nd July 2025
61AQI
61AQI
23rd July 2025
49AQI
49AQI
24th July 2025
54AQI
54AQI
25th July 2025
54AQI
54AQI
26th July 2025
56AQI
56AQI
27th July 2025
52AQI
52AQI
28th July 2025
54AQI
54AQI
29th July 2025
53AQI
53AQI
30th July 2025
58AQI
58AQI
31st July 2025
61AQI
61AQI
1st August 2025
61AQI
61AQI
2nd August 2025
58AQI
58AQI
3rd August 2025
61AQI
61AQI
4th August 2025
66AQI
66AQI
5th August 2025
66AQI
66AQI
141AQI
132AQI
109AQI
106AQI
101AQI
65AQI
59AQI
62AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
2025101AQI
3
16
12
4
16
8
14
16
1
15
14
1
19
12
1
29
3
28
5
4
117
74
21
1
Highest AQI recorded in
January141AQI
Lowest AQI recorded in
July59AQI
202495AQI
9
7
1
1
12
30
3
28
7
24
3
19
7
6
18
7
8
13
9
1
24
6
13
137
71
22
Highest AQI recorded in
December137AQI
Lowest AQI recorded in
July55AQI
202389AQI
3
31
34
Highest AQI recorded in
November91AQI
Lowest AQI recorded in
December89AQI
2021130AQI
3
14
11
3
7
16
2
4
14
30
13
3
Highest AQI recorded in
January147AQI
Lowest AQI recorded in
March80AQI
202094AQI
5
5
18
12
1
1
21
3
2
14
13
2
1
15
10
4
1
4
11
14
1
28
71
38
20
1
Highest AQI recorded in
December142AQI
Lowest AQI recorded in
July48AQI
Most & Least Polluted Years Over the Last 5 Years
Most Polluted Year Recorded
2021(Avg.)
130AQILeast Polluted Year Recorded
2023(Avg.)
89AQIBiyang County Urban Construction Bureau's annual 2025 AQI (101) shows an average percentage change of 0.8% (worsened AQI) compared to previous years: 2020 (94), 2021 (130), 2023 (89), 2024 (95).
