Country Background

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+

March Air Quality Analysis

Biyang County Urban Construction Bureau, Yakou, Henan, China

2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
13th Mar 2025
155AQI
Lowest AQI recorded on
1st Mar 2026
65AQI


Same Day Analysis (5th March):
On this day, AQI across the 3 years varied significantly: 2026 ranks 1st highest AQI at 145 of Poor air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 4th Mar - 5th Mar 2026

Biyang County Urban Construction Bureau, Yakou, Henan, China

AQI
Day
Night
.

7 AM4th Mar 2026

6 PM

6 AM5th Mar 2026

Day time
Avg. Highest Time
6AM5th Mar

148AQI

Avg. Lowest Time
1PM4th Mar

118AQI

Night time
Avg. Highest Time
2AM5th Mar

152AQI

Avg. Lowest Time
11PM4th Mar

132AQI

In the last 24 hours,

Biyang County Urban Construction Bureau's AQI reached its highest point of 152 at 2 AM during the Night, while the lowest point, 118, was recorded at 1 PM during the Day between 4th Mar and 5th Mar 2026.

Day & Night AQI Trend : Feb - Mar 2026

Biyang County Urban Construction Bureau, Yakou, Henan, China

FebMar
04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th
Day
Night
4th Feb 20261487 AMAQI
4th Feb 20261448 AMAQI
4th Feb 20261569 AMAQI
4th Feb 202615210 AMAQI
4th Feb 202615511 AMAQI
4th Feb 202615612 PMAQI
4th Feb 20261581 PMAQI
4th Feb 20261572 PMAQI
4th Feb 20261553 PMAQI
4th Feb 20261504 PMAQI
4th Feb 20261505 PMAQI
4th Feb 20261516 PMAQI
4th Feb 20261587 PMAQI
4th Feb 20261608 PMAQI
4th Feb 20261619 PMAQI
4th Feb 202615810 PMAQI
4th Feb 202616011 PMAQI
5th Feb 202616012 AMAQI
5th Feb 20261481 AMAQI
5th Feb 20261602 AMAQI
5th Feb 20261553 AMAQI
5th Feb 20261604 AMAQI
5th Feb 20261705 AMAQI
5th Feb 20261726 AMAQI

9°C5/14°C

5th Feb 20261747 AMAQI
5th Feb 20261728 AMAQI
5th Feb 20261729 AMAQI
5th Feb 202617210 AMAQI
5th Feb 202617011 AMAQI
5th Feb 202617412 PMAQI
5th Feb 20261581 PMAQI
5th Feb 20261292 PMAQI
5th Feb 20261103 PMAQI
5th Feb 20261584 PMAQI
5th Feb 20261565 PMAQI
5th Feb 20261526 PMAQI
5th Feb 20261507 PMAQI
5th Feb 20261558 PMAQI
5th Feb 20261629 PMAQI
5th Feb 202615810 PMAQI
5th Feb 202616411 PMAQI
6th Feb 202617212 AMAQI
6th Feb 20261701 AMAQI
6th Feb 20261622 AMAQI
6th Feb 20261573 AMAQI
6th Feb 20261484 AMAQI
6th Feb 20261545 AMAQI
6th Feb 20261466 AMAQI

10°C6/16°C

6th Feb 20261577 AMAQI
6th Feb 20261578 AMAQI
6th Feb 20261549 AMAQI
6th Feb 202615510 AMAQI
6th Feb 202615111 AMAQI
6th Feb 202613212 PMAQI
6th Feb 20261351 PMAQI
6th Feb 20261242 PMAQI
6th Feb 20261223 PMAQI
6th Feb 20261044 PMAQI
6th Feb 20261085 PMAQI
6th Feb 20261106 PMAQI
6th Feb 20261007 PMAQI
6th Feb 2026958 PMAQI
6th Feb 2026949 PMAQI
6th Feb 202610210 PMAQI
6th Feb 20269511 PMAQI
7th Feb 20269512 AMAQI
7th Feb 2026981 AMAQI
7th Feb 2026982 AMAQI
7th Feb 2026983 AMAQI
7th Feb 2026994 AMAQI
7th Feb 20261025 AMAQI
7th Feb 2026956 AMAQI

3°C1/4°C

7th Feb 2026967 AMAQI
7th Feb 2026998 AMAQI
7th Feb 2026989 AMAQI
7th Feb 202610010 AMAQI
7th Feb 202611011 AMAQI
7th Feb 202611212 PMAQI
7th Feb 20261121 PMAQI
7th Feb 20261252 PMAQI
7th Feb 20261203 PMAQI
7th Feb 20261324 PMAQI
7th Feb 20261325 PMAQI
7th Feb 20261486 PMAQI
7th Feb 20261517 PMAQI
7th Feb 20261538 PMAQI
7th Feb 20261549 PMAQI
7th Feb 202615210 PMAQI
7th Feb 202615711 PMAQI
8th Feb 202615812 AMAQI
8th Feb 20261551 AMAQI
8th Feb 20261582 AMAQI
8th Feb 20261613 AMAQI
8th Feb 20261584 AMAQI
8th Feb 20261605 AMAQI
8th Feb 20261576 AMAQI

1°C0/4°C

8th Feb 20261587 AMAQI
8th Feb 20261578 AMAQI
8th Feb 20261579 AMAQI
8th Feb 202615610 AMAQI
8th Feb 202615711 AMAQI
8th Feb 202615612 PMAQI
8th Feb 20261521 PMAQI
8th Feb 20261522 PMAQI
8th Feb 20261353 PMAQI
8th Feb 20261304 PMAQI
8th Feb 20261145 PMAQI
8th Feb 2026976 PMAQI
8th Feb 20261047 PMAQI
8th Feb 20261188 PMAQI
8th Feb 20261249 PMAQI
8th Feb 202612410 PMAQI
8th Feb 202614211 PMAQI
9th Feb 202614212 AMAQI
9th Feb 20261501 AMAQI
9th Feb 20261532 AMAQI
9th Feb 20261523 AMAQI
9th Feb 20261484 AMAQI
9th Feb 20261565 AMAQI
9th Feb 20261566 AMAQI

3°C0/8°C

9th Feb 20261567 AMAQI
9th Feb 20261548 AMAQI
9th Feb 20261499 AMAQI
9th Feb 202614610 AMAQI
9th Feb 202614211 AMAQI
9th Feb 202614612 PMAQI
9th Feb 20261291 PMAQI
9th Feb 20261052 PMAQI
9th Feb 20261123 PMAQI
9th Feb 20261024 PMAQI
9th Feb 20261215 PMAQI
9th Feb 20261086 PMAQI
9th Feb 20261367 PMAQI
9th Feb 20261348 PMAQI
9th Feb 20261269 PMAQI
9th Feb 202613210 PMAQI
9th Feb 202612911 PMAQI
10th Feb 202613012 AMAQI
10th Feb 20261481 AMAQI
10th Feb 20261442 AMAQI
10th Feb 20261313 AMAQI
10th Feb 20261284 AMAQI
10th Feb 20261325 AMAQI
10th Feb 20261446 AMAQI

2°C0/4°C

10th Feb 20261367 AMAQI
10th Feb 20261348 AMAQI
10th Feb 20261359 AMAQI
10th Feb 202614610 AMAQI
10th Feb 202614011 AMAQI
10th Feb 202613212 PMAQI
10th Feb 20261321 PMAQI
10th Feb 20261282 PMAQI
10th Feb 20261223 PMAQI
10th Feb 20261184 PMAQI
10th Feb 20261265 PMAQI
10th Feb 20261246 PMAQI
10th Feb 20261267 PMAQI
10th Feb 20261468 PMAQI
10th Feb 20261519 PMAQI
10th Feb 202615410 PMAQI
10th Feb 20266211 PMAQI
11th Feb 202615412 AMAQI
11th Feb 20261511 AMAQI
11th Feb 20261562 AMAQI
11th Feb 20261553 AMAQI
11th Feb 20261524 AMAQI
11th Feb 20261565 AMAQI
11th Feb 20261566 AMAQI

6°C1/13°C

11th Feb 20261607 AMAQI
11th Feb 20261588 AMAQI
11th Feb 20261539 AMAQI
11th Feb 202615610 AMAQI
11th Feb 202615211 AMAQI
11th Feb 202614812 PMAQI
11th Feb 20261221 PMAQI
11th Feb 20261522 PMAQI
11th Feb 20261403 PMAQI
11th Feb 20261324 PMAQI
11th Feb 20261345 PMAQI
11th Feb 20261386 PMAQI
11th Feb 20261367 PMAQI
11th Feb 20261198 PMAQI
11th Feb 20261149 PMAQI
11th Feb 202613110 PMAQI
11th Feb 202612911 PMAQI
12th Feb 202613012 AMAQI
12th Feb 20261281 AMAQI
12th Feb 20261222 AMAQI
12th Feb 20261303 AMAQI
12th Feb 20261284 AMAQI
12th Feb 20261085 AMAQI
12th Feb 20261156 AMAQI

8°C4/13°C

12th Feb 20261267 AMAQI
12th Feb 20261368 AMAQI
12th Feb 20261429 AMAQI
12th Feb 202613410 AMAQI
12th Feb 202614011 AMAQI
12th Feb 202614412 PMAQI
12th Feb 20261351 PMAQI
12th Feb 20261222 PMAQI
12th Feb 20261223 PMAQI
12th Feb 20261084 PMAQI
12th Feb 20261365 PMAQI
12th Feb 20261246 PMAQI
12th Feb 20261367 PMAQI
12th Feb 20261448 PMAQI
12th Feb 20261529 PMAQI
12th Feb 202615310 PMAQI
12th Feb 202615611 PMAQI
13th Feb 202615612 AMAQI
13th Feb 20261541 AMAQI
13th Feb 20261482 AMAQI
13th Feb 20261463 AMAQI
13th Feb 20261504 AMAQI
13th Feb 20261475 AMAQI
13th Feb 20261486 AMAQI

9°C4/15°C

13th Feb 20261387 AMAQI
13th Feb 20261428 AMAQI
13th Feb 20261429 AMAQI
13th Feb 202615110 AMAQI
13th Feb 202615011 AMAQI
13th Feb 202615412 PMAQI
13th Feb 20261561 PMAQI
13th Feb 20261552 PMAQI
13th Feb 20261523 PMAQI
13th Feb 20261444 PMAQI
13th Feb 20261165 PMAQI
13th Feb 20261286 PMAQI
13th Feb 20261427 PMAQI
13th Feb 20261348 PMAQI
13th Feb 20261459 PMAQI
13th Feb 202615610 PMAQI
13th Feb 202615811 PMAQI
14th Feb 202616012 AMAQI
14th Feb 20261581 AMAQI
14th Feb 20261562 AMAQI
14th Feb 20261603 AMAQI
14th Feb 20261604 AMAQI
14th Feb 20261595 AMAQI
14th Feb 20261566 AMAQI

11°C7/17°C

14th Feb 20261587 AMAQI
14th Feb 20261618 AMAQI
14th Feb 20261569 AMAQI
14th Feb 202615710 AMAQI
14th Feb 202616011 AMAQI
14th Feb 202615612 PMAQI
14th Feb 20261511 PMAQI
14th Feb 20261342 PMAQI
14th Feb 20261103 PMAQI
14th Feb 20261004 PMAQI
14th Feb 20261035 PMAQI
14th Feb 20261166 PMAQI
14th Feb 20261057 PMAQI
14th Feb 20261388 PMAQI
14th Feb 20261529 PMAQI
14th Feb 202615210 PMAQI
14th Feb 202615411 PMAQI
15th Feb 202615812 AMAQI
15th Feb 20261591 AMAQI
15th Feb 20261592 AMAQI
15th Feb 20261563 AMAQI
15th Feb 20261544 AMAQI
15th Feb 20261505 AMAQI
15th Feb 20261466 AMAQI

14°C8/20°C

15th Feb 20261527 AMAQI
15th Feb 20261508 AMAQI
15th Feb 20261039 AMAQI
15th Feb 202610410 AMAQI
15th Feb 202610211 AMAQI
15th Feb 20268112 PMAQI
15th Feb 2026891 PMAQI
15th Feb 2026782 PMAQI
15th Feb 2026603 PMAQI
15th Feb 2026584 PMAQI
15th Feb 2026625 PMAQI
15th Feb 2026846 PMAQI
15th Feb 2026787 PMAQI
15th Feb 2026768 PMAQI
15th Feb 2026689 PMAQI
15th Feb 20266510 PMAQI
15th Feb 20265811 PMAQI
16th Feb 20266412 AMAQI
16th Feb 2026341 AMAQI
16th Feb 2026652 AMAQI
16th Feb 2026763 AMAQI
16th Feb 2026724 AMAQI
16th Feb 2026475 AMAQI
16th Feb 2026566 AMAQI

7°C0/11°C

16th Feb 2026837 AMAQI
16th Feb 2026908 AMAQI
16th Feb 2026519 AMAQI
16th Feb 20266210 AMAQI
16th Feb 20266611 AMAQI
16th Feb 20266012 PMAQI
16th Feb 2026591 PMAQI
16th Feb 2026552 PMAQI
16th Feb 2026693 PMAQI
16th Feb 2026664 PMAQI
16th Feb 2026745 PMAQI
16th Feb 2026726 PMAQI
16th Feb 2026747 PMAQI
16th Feb 2026948 PMAQI
16th Feb 20261109 PMAQI
16th Feb 202611210 PMAQI
16th Feb 202612411 PMAQI
17th Feb 202614212 AMAQI
17th Feb 20261441 AMAQI
17th Feb 20261512 AMAQI
17th Feb 20261443 AMAQI
17th Feb 20261384 AMAQI
17th Feb 20261205 AMAQI
17th Feb 20261186 AMAQI

1°C0/4°C

17th Feb 20261387 AMAQI
17th Feb 20261528 AMAQI
17th Feb 20261569 AMAQI
17th Feb 202615410 AMAQI
17th Feb 202615011 AMAQI
17th Feb 202615112 PMAQI
17th Feb 20261481 PMAQI
17th Feb 20261282 PMAQI
17th Feb 20261063 PMAQI
17th Feb 20261024 PMAQI
17th Feb 2026925 PMAQI
17th Feb 20261026 PMAQI
17th Feb 2026987 PMAQI
17th Feb 2026998 PMAQI
17th Feb 20261029 PMAQI
17th Feb 202612810 PMAQI
17th Feb 202611611 PMAQI
18th Feb 202611612 AMAQI
18th Feb 20261281 AMAQI
18th Feb 20261212 AMAQI
18th Feb 20261423 AMAQI
18th Feb 20261364 AMAQI
18th Feb 20261255 AMAQI
18th Feb 20261386 AMAQI

4°C-1/9°C

18th Feb 20261447 AMAQI
18th Feb 20261528 AMAQI
18th Feb 20261529 AMAQI
18th Feb 202615210 AMAQI
18th Feb 202615311 AMAQI
18th Feb 202614212 PMAQI
18th Feb 20261321 PMAQI
18th Feb 20261182 PMAQI
18th Feb 20261203 PMAQI
18th Feb 2026984 PMAQI
18th Feb 2026965 PMAQI
18th Feb 20261106 PMAQI
18th Feb 20261247 PMAQI
18th Feb 20261358 PMAQI
18th Feb 20261349 PMAQI
18th Feb 202614410 PMAQI
18th Feb 202613811 PMAQI
19th Feb 202613812 AMAQI
19th Feb 20261401 AMAQI
19th Feb 20261362 AMAQI
19th Feb 20261283 AMAQI
19th Feb 20261244 AMAQI
19th Feb 20261325 AMAQI
19th Feb 20261326 AMAQI

7°C3/13°C

19th Feb 20261387 AMAQI
19th Feb 20261408 AMAQI
19th Feb 20261499 AMAQI
19th Feb 202615110 AMAQI
19th Feb 202612411 AMAQI
19th Feb 202612812 PMAQI
19th Feb 2026991 PMAQI
19th Feb 20261022 PMAQI
19th Feb 2026973 PMAQI
19th Feb 20261024 PMAQI
19th Feb 2026845 PMAQI
19th Feb 2026806 PMAQI
19th Feb 2026797 PMAQI
19th Feb 20261058 PMAQI
19th Feb 20261109 PMAQI
19th Feb 202612410 PMAQI
19th Feb 202612411 PMAQI
20th Feb 202613112 AMAQI
20th Feb 20261251 AMAQI
20th Feb 20261302 AMAQI
20th Feb 20261183 AMAQI
20th Feb 20261164 AMAQI
20th Feb 20261165 AMAQI
20th Feb 20261046 AMAQI

10°C6/16°C

20th Feb 20261217 AMAQI
20th Feb 20261288 AMAQI
20th Feb 20261089 AMAQI
20th Feb 202612010 AMAQI
20th Feb 202612611 AMAQI
20th Feb 202612212 PMAQI
20th Feb 20261141 PMAQI
20th Feb 20261122 PMAQI
20th Feb 2026973 PMAQI
20th Feb 2026924 PMAQI
20th Feb 2026815 PMAQI
20th Feb 2026866 PMAQI
20th Feb 2026907 PMAQI
20th Feb 2026998 PMAQI
20th Feb 20261049 PMAQI
20th Feb 20269710 PMAQI
20th Feb 20269711 PMAQI
21st Feb 20269412 AMAQI
21st Feb 2026981 AMAQI
21st Feb 2026882 AMAQI
21st Feb 20261023 AMAQI
21st Feb 2026864 AMAQI
21st Feb 2026845 AMAQI
21st Feb 2026826 AMAQI

12°C6/19°C

21st Feb 2026827 AMAQI
21st Feb 2026908 AMAQI
21st Feb 2026869 AMAQI
21st Feb 20269210 AMAQI
21st Feb 20269011 AMAQI
21st Feb 20268812 PMAQI
21st Feb 2026891 PMAQI
21st Feb 2026982 PMAQI
21st Feb 2026923 PMAQI
21st Feb 2026924 PMAQI
21st Feb 2026925 PMAQI
21st Feb 2026996 PMAQI
21st Feb 2026947 PMAQI
21st Feb 20261028 PMAQI
21st Feb 20261189 PMAQI
21st Feb 202612610 PMAQI
21st Feb 202610411 PMAQI
22nd Feb 202611412 AMAQI
22nd Feb 20261091 AMAQI
22nd Feb 20261052 AMAQI
22nd Feb 20261323 AMAQI
22nd Feb 20261354 AMAQI
22nd Feb 20261385 AMAQI
22nd Feb 20261366 AMAQI

14°C8/21°C

22nd Feb 20261427 AMAQI
22nd Feb 20261448 AMAQI
22nd Feb 20261349 AMAQI
22nd Feb 202612110 AMAQI
22nd Feb 202612811 AMAQI
22nd Feb 202615212 PMAQI
22nd Feb 20261521 PMAQI
22nd Feb 2026682 PMAQI
22nd Feb 2026723 PMAQI
22nd Feb 2026684 PMAQI
22nd Feb 2026645 PMAQI
22nd Feb 2026676 PMAQI
22nd Feb 2026677 PMAQI
22nd Feb 2026688 PMAQI
22nd Feb 2026769 PMAQI
22nd Feb 20267410 PMAQI
22nd Feb 20267711 PMAQI
23rd Feb 20267412 AMAQI
23rd Feb 20261311 AMAQI
23rd Feb 20261182 AMAQI
23rd Feb 20261303 AMAQI
23rd Feb 20261044 AMAQI
23rd Feb 20261285 AMAQI
23rd Feb 2026926 AMAQI

13°C10/17°C

23rd Feb 20261167 AMAQI
23rd Feb 20261508 AMAQI
23rd Feb 20261429 AMAQI
23rd Feb 202610110 AMAQI
23rd Feb 202611011 AMAQI
23rd Feb 202610012 PMAQI
23rd Feb 2026921 PMAQI
23rd Feb 2026702 PMAQI
23rd Feb 2026683 PMAQI
23rd Feb 2026684 PMAQI
23rd Feb 2026705 PMAQI
23rd Feb 2026606 PMAQI
23rd Feb 2026547 PMAQI
23rd Feb 2026568 PMAQI
23rd Feb 2026569 PMAQI
23rd Feb 20265610 PMAQI
23rd Feb 20265811 PMAQI
24th Feb 20265512 AMAQI
24th Feb 2026801 AMAQI
24th Feb 2026822 AMAQI
24th Feb 20261053 AMAQI
24th Feb 2026904 AMAQI
24th Feb 2026945 AMAQI
24th Feb 2026946 AMAQI

7°C3/9°C

24th Feb 2026827 AMAQI
24th Feb 2026828 AMAQI
24th Feb 2026879 AMAQI
24th Feb 20267010 AMAQI
24th Feb 20265211 AMAQI
24th Feb 20265312 PMAQI
24th Feb 2026491 PMAQI
24th Feb 2026482 PMAQI
24th Feb 2026503 PMAQI
24th Feb 2026444 PMAQI
24th Feb 2026465 PMAQI
24th Feb 2026356 PMAQI
24th Feb 2026427 PMAQI
24th Feb 2026508 PMAQI
24th Feb 2026519 PMAQI
24th Feb 20265010 PMAQI
24th Feb 20265511 PMAQI
25th Feb 20265812 AMAQI
25th Feb 2026621 AMAQI
25th Feb 2026662 AMAQI
25th Feb 2026943 AMAQI
25th Feb 2026974 AMAQI
25th Feb 2026805 AMAQI
25th Feb 2026706 AMAQI

7°C4/12°C

25th Feb 2026507 AMAQI
25th Feb 2026538 AMAQI
25th Feb 2026609 AMAQI
25th Feb 20266810 AMAQI
25th Feb 20265711 AMAQI
25th Feb 20265812 PMAQI
25th Feb 2026501 PMAQI
25th Feb 2026572 PMAQI
25th Feb 2026603 PMAQI
25th Feb 2026734 PMAQI
25th Feb 2026655 PMAQI
25th Feb 2026686 PMAQI
25th Feb 2026687 PMAQI
25th Feb 2026708 PMAQI
25th Feb 2026909 PMAQI
25th Feb 20268710 PMAQI
25th Feb 20268011 PMAQI
26th Feb 20267612 AMAQI
26th Feb 2026721 AMAQI
26th Feb 2026692 AMAQI
26th Feb 2026693 AMAQI
26th Feb 2026604 AMAQI
26th Feb 2026575 AMAQI
26th Feb 2026696 AMAQI

9°C4/14°C

26th Feb 2026647 AMAQI
26th Feb 2026648 AMAQI
26th Feb 2026659 AMAQI
26th Feb 20266210 AMAQI
26th Feb 20266411 AMAQI
26th Feb 20266912 PMAQI
26th Feb 2026561 PMAQI
26th Feb 2026572 PMAQI
26th Feb 2026503 PMAQI
26th Feb 2026484 PMAQI
26th Feb 2026405 PMAQI
26th Feb 2026336 PMAQI
26th Feb 2026447 PMAQI
26th Feb 2026568 PMAQI
26th Feb 2026679 PMAQI
26th Feb 20267110 PMAQI
26th Feb 20267011 PMAQI
27th Feb 20268012 AMAQI
27th Feb 2026811 AMAQI
27th Feb 2026782 AMAQI
27th Feb 2026923 AMAQI
27th Feb 2026984 AMAQI
27th Feb 2026965 AMAQI
27th Feb 2026906 AMAQI

9°C7/11°C

27th Feb 2026927 AMAQI
27th Feb 2026818 AMAQI
27th Feb 2026839 AMAQI
27th Feb 20268510 AMAQI
27th Feb 20268711 AMAQI
27th Feb 20269412 PMAQI
27th Feb 20261001 PMAQI
27th Feb 20261042 PMAQI
27th Feb 2026973 PMAQI
27th Feb 20261164 PMAQI
27th Feb 20261085 PMAQI
27th Feb 20261126 PMAQI
27th Feb 20261397 PMAQI
27th Feb 20261408 PMAQI
27th Feb 2026989 PMAQI
27th Feb 20269210 PMAQI
27th Feb 20269411 PMAQI
28th Feb 202613512 AMAQI
28th Feb 20261361 AMAQI
28th Feb 20261322 AMAQI
28th Feb 20261323 AMAQI
28th Feb 20261184 AMAQI
28th Feb 20261245 AMAQI
28th Feb 20261096 AMAQI

9°C6/12°C

28th Feb 20261087 AMAQI
28th Feb 20261228 AMAQI
28th Feb 20261159 AMAQI
28th Feb 20269910 AMAQI
28th Feb 20268811 AMAQI
28th Feb 20268012 PMAQI
28th Feb 2026741 PMAQI
28th Feb 2026672 PMAQI
28th Feb 2026643 PMAQI
28th Feb 2026584 PMAQI
28th Feb 2026625 PMAQI
28th Feb 2026606 PMAQI
28th Feb 2026627 PMAQI
28th Feb 2026668 PMAQI
28th Feb 2026729 PMAQI
28th Feb 20266910 PMAQI
28th Feb 20266711 PMAQI
1st Mar 20265812 AMAQI
1st Mar 2026621 AMAQI
1st Mar 2026822 AMAQI
1st Mar 2026803 AMAQI
1st Mar 2026814 AMAQI
1st Mar 2026895 AMAQI
1st Mar 2026866 AMAQI

9°C7/10°C

1st Mar 2026727 AMAQI
1st Mar 2026828 AMAQI
1st Mar 2026789 AMAQI
1st Mar 20268210 AMAQI
1st Mar 20267411 AMAQI
1st Mar 20267412 PMAQI
1st Mar 2026711 PMAQI
1st Mar 2026672 PMAQI
1st Mar 2026523 PMAQI
1st Mar 2026554 PMAQI
1st Mar 2026425 PMAQI
1st Mar 2026386 PMAQI
1st Mar 2026427 PMAQI
1st Mar 2026518 PMAQI
1st Mar 2026509 PMAQI
1st Mar 20264810 PMAQI
1st Mar 20264411 PMAQI
2nd Mar 20265112 AMAQI
2nd Mar 2026501 AMAQI
2nd Mar 2026462 AMAQI
2nd Mar 2026483 AMAQI
2nd Mar 2026524 AMAQI
2nd Mar 2026595 AMAQI
2nd Mar 2026606 AMAQI

4°C2/5°C

2nd Mar 2026557 AMAQI
2nd Mar 2026648 AMAQI
2nd Mar 2026649 AMAQI
2nd Mar 20265910 AMAQI
2nd Mar 20266811 AMAQI
2nd Mar 20267112 PMAQI
2nd Mar 2026731 PMAQI
2nd Mar 2026842 PMAQI
2nd Mar 2026823 PMAQI
2nd Mar 2026824 PMAQI
2nd Mar 2026925 PMAQI
2nd Mar 20261036 PMAQI
2nd Mar 20261057 PMAQI
2nd Mar 20261008 PMAQI
2nd Mar 2026989 PMAQI
2nd Mar 20269810 PMAQI
2nd Mar 202610211 PMAQI
3rd Mar 202610512 AMAQI
3rd Mar 20261081 AMAQI
3rd Mar 20261002 AMAQI
3rd Mar 2026983 AMAQI
3rd Mar 20261154 AMAQI
3rd Mar 20261005 AMAQI
3rd Mar 20261156 AMAQI

4°C2/7°C

3rd Mar 20261187 AMAQI
3rd Mar 20261308 AMAQI
3rd Mar 20261189 AMAQI
3rd Mar 202611210 AMAQI
3rd Mar 202610011 AMAQI
3rd Mar 202610212 PMAQI
3rd Mar 20261021 PMAQI
3rd Mar 20261002 PMAQI
3rd Mar 2026953 PMAQI
3rd Mar 2026944 PMAQI
3rd Mar 2026975 PMAQI
3rd Mar 20261046 PMAQI
3rd Mar 20261187 PMAQI
3rd Mar 20261228 PMAQI
3rd Mar 20261389 PMAQI
3rd Mar 202614410 PMAQI
3rd Mar 202614611 PMAQI
4th Mar 202613812 AMAQI
4th Mar 20261041 AMAQI
4th Mar 2026942 AMAQI
4th Mar 2026943 AMAQI
4th Mar 2026984 AMAQI
4th Mar 20261055 AMAQI
4th Mar 20261246 AMAQI

7°C2/13°C

4th Mar 20261287 AMAQI
4th Mar 20261368 AMAQI
4th Mar 20261309 AMAQI
4th Mar 202612210 AMAQI
4th Mar 202612011 AMAQI
4th Mar 202614212 PMAQI
4th Mar 20261181 PMAQI
4th Mar 20261192 PMAQI
4th Mar 20261353 PMAQI
4th Mar 20261204 PMAQI
4th Mar 20261255 PMAQI
4th Mar 20261326 PMAQI
4th Mar 20261347 PMAQI
4th Mar 20261508 PMAQI
4th Mar 20261469 PMAQI
4th Mar 202614810 PMAQI
4th Mar 202613211 PMAQI
5th Mar 202615012 AMAQI
5th Mar 20261481 AMAQI
5th Mar 20261522 AMAQI
5th Mar 20261473 AMAQI
5th Mar 20261524 AMAQI
5th Mar 20261505 AMAQI
5th Mar 20261486 AMAQI

9°C5/15°C

5th Mar 20261427 AMAQI
7 AM
5th Mar 20261528 AMAQI
5th Mar 20261479 AMAQI
5th Mar 202615110 AMAQI
5th Mar 202614511 AMAQI
5th Mar 202615012 PMAQI
12 PM
5th Mar 20261501 PMAQI
5th Mar 20261462 PMAQI
5th Mar 20261403 PMAQI
5th Mar 20261284 PMAQI
5th Mar 20261295 PMAQI
5th Mar 20261246 PMAQI
6 PM
5th Mar 20261487 PMAQI
5th Mar 20261328 PMAQI
5th Mar 20261509 PMAQI
5th Mar 202614510 PMAQI
5th Mar 202615011 PMAQI
12 AM
6 AM

9°C8/13°C

Day time
Avg. Highest Time
8 AM

126AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
3 PM - 6 PM

99AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 8 AM (Avg. 126), while the lowest AQI was between 3 PM to 6 PM (Avg. 99).
Night time
Avg. Highest Time
3 AM - 6 AM

120AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM

103AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 6 AM (Avg. 120), while the lowest AQI was between 7 PM to 7 PM (Avg. 103).

2026 Days Vs Air Quality

Biyang County Urban Construction Bureau, Yakou, Henan, China

2026

22%

14

45%

29

33%

21

Total number of days with different AQI categories in last 65 days in 2026 (300 days remaining)

Good
0 Days
Moderate
14 Days
Poor
29 Days
Unhealthy
21 Days
Severe
0 Days
Hazardous
0 Days



Under WHO’s Safe Air Quality Limits: 0%

Health Risk Level:

Extreme

In 2026, 0% of 65 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 2026

AQI (US)
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 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
110AQI (US)
2nd January 2026
151AQI (US)
3rd January 2026
162AQI (US)
4th January 2026
156AQI (US)
5th January 2026
158AQI (US)
6th January 2026
102AQI (US)
7th January 2026
72AQI (US)
8th January 2026
100AQI (US)
9th January 2026
100AQI (US)
10th January 2026
128AQI (US)
11th January 2026
86AQI (US)
12th January 2026
116AQI (US)
13th January 2026
157AQI (US)
14th January 2026
157AQI (US)
15th January 2026
132AQI (US)
16th January 2026
154AQI (US)
17th January 2026
165AQI (US)
18th January 2026
124AQI (US)
19th January 2026
101AQI (US)
20th January 2026
108AQI (US)
21st January 2026
121AQI (US)
22nd January 2026
146AQI (US)
23rd January 2026
147AQI (US)
24th January 2026
160AQI (US)
25th January 2026
167AQI (US)
26th January 2026
174AQI (US)
27th January 2026
168AQI (US)
28th January 2026
161AQI (US)
29th January 2026
160AQI (US)
30th January 2026
156AQI (US)
31st January 2026
156AQI (US)
1st February 2026
152AQI (US)
2nd February 2026
152AQI (US)
3rd February 2026
153AQI (US)
4th February 2026
152AQI (US)
5th February 2026
159AQI (US)
6th February 2026
134AQI (US)
7th February 2026
119AQI (US)
8th February 2026
143AQI (US)
9th February 2026
137AQI (US)
10th February 2026
132AQI (US)
11th February 2026
144AQI (US)
12th February 2026
132AQI (US)
13th February 2026
146AQI (US)
14th February 2026
145AQI (US)
15th February 2026
106AQI (US)
16th February 2026
72AQI (US)
17th February 2026
128AQI (US)
18th February 2026
131AQI (US)
19th February 2026
119AQI (US)
20th February 2026
110AQI (US)
21st February 2026
94AQI (US)
22nd February 2026
106AQI (US)
23rd February 2026
92AQI (US)
24th February 2026
64AQI (US)
25th February 2026
68AQI (US)
26th February 2026
60AQI (US)
27th February 2026
97AQI (US)
28th February 2026
92AQI (US)
1st March 2026
65AQI (US)
2nd March 2026
74AQI (US)
3rd March 2026
112AQI (US)
4th March 2026
125AQI (US)
5th March 2026
145AQI (US)
6th March 2026
7th March 2026
8th March 2026
9th March 2026
10th March 2026
11th March 2026
12th March 2026
13th March 2026
14th March 2026
15th March 2026
16th March 2026
17th March 2026
18th March 2026
19th March 2026
20th March 2026
21st March 2026
22nd March 2026
23rd March 2026
24th March 2026
25th March 2026
26th March 2026
27th March 2026
28th March 2026
29th March 2026
30th March 2026
31st March 2026
1st April 2026
2nd April 2026
3rd April 2026
4th April 2026
5th April 2026
6th April 2026
7th April 2026
8th April 2026
9th April 2026
10th April 2026
11th April 2026
12th April 2026
13th April 2026
14th April 2026
15th April 2026
16th April 2026
17th April 2026
18th April 2026
19th April 2026
20th April 2026
21st April 2026
22nd April 2026
23rd April 2026
24th April 2026
25th April 2026
26th April 2026
27th April 2026
28th April 2026
29th April 2026
30th April 2026
1st May 2026
2nd May 2026
3rd May 2026
4th May 2026
5th May 2026
6th May 2026
7th May 2026
8th May 2026
9th May 2026
10th May 2026
11th May 2026
12th May 2026
13th May 2026
14th May 2026
15th May 2026
16th May 2026
17th May 2026
18th May 2026
19th May 2026
20th May 2026
21st May 2026
22nd May 2026
23rd May 2026
24th May 2026
25th May 2026
26th May 2026
27th May 2026
28th May 2026
29th May 2026
30th May 2026
31st May 2026
1st June 2026
2nd June 2026
3rd June 2026
4th June 2026
5th June 2026
6th June 2026
7th June 2026
8th June 2026
9th June 2026
10th June 2026
11th June 2026
12th June 2026
13th June 2026
14th June 2026
15th June 2026
16th June 2026
17th June 2026
18th June 2026
19th June 2026
20th June 2026
21st June 2026
22nd June 2026
23rd June 2026
24th June 2026
25th June 2026
26th June 2026
27th June 2026
28th June 2026
29th June 2026
30th June 2026
1st July 2026
2nd July 2026
3rd July 2026
4th July 2026
5th July 2026
6th July 2026
7th July 2026
8th July 2026
9th July 2026
10th July 2026
11th July 2026
12th July 2026
13th July 2026
14th July 2026
15th July 2026
16th July 2026
17th July 2026
18th July 2026
19th July 2026
20th July 2026
21st July 2026
22nd July 2026
23rd July 2026
24th July 2026
25th July 2026
26th July 2026
27th July 2026
28th July 2026
29th July 2026
30th July 2026
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

137AQI (US)

119AQI (US)

104AQI (US)


No. of days

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

2026127AQI (US)

4
11
16
8
15
5
2
3
14
29
21

Highest AQI (US) recorded in

January

137AQI (US)


Lowest AQI (US) recorded in

March

104AQI (US)


202598AQI (US)

3
16
12
4
16
8
14
16
1
15
14
1
19
12
1
29
3
28
2
29
14
16
3
20
7
1
10
15
5
1
12
18
23
188
108
45
1

Highest AQI (US) recorded in

December

153AQI (US)


Lowest AQI (US) recorded in

September

51AQI (US)


202495AQI (US)

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 (US) recorded in

December

137AQI (US)


Lowest AQI (US) recorded in

July

55AQI (US)


202389AQI (US)

3
31
34

Highest AQI (US) recorded in

November

91AQI (US)


Lowest AQI (US) recorded in

December

89AQI (US)


2021130AQI (US)

3
14
11
3
7
16
2
4
14
30
13
3

Highest AQI (US) recorded in

January

147AQI (US)


Lowest AQI (US) recorded in

March

80AQI (US)


202094AQI (US)

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 (US) recorded in

December

142AQI (US)


Lowest AQI (US) recorded in

July

48AQI (US)


Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2021(Avg.)
130AQI (US)
Least Polluted Year Recorded
2023(Avg.)
89AQI (US)


Biyang County Urban Construction Bureau's annual 2026 AQI (US) (127) shows an average percentage change of 27.6% (worsened AQI (US)) compared to previous years: 2020 (94), 2021 (130), 2023 (89), 2024 (95), 2025 (98).