Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Chengguan, 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+

September Air Quality Analysis

Chengguan, Henan, China

2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
26th Sep 2024
178AQI
Lowest AQI recorded on
9th Sep 2026
36AQI

Same Day Analysis (30th September):
On this day, AQI across the 3 years varied significantly: 2026 ranks 2nd highest AQI at 67 of Moderate air quality, showing improvement over 2025 on the same day.

Day & Night AQI Trend: 29th Sep - 30th Sep 2026

Chengguan, Henan, China

AQI
Day
Night
.

6 AM29th Sep 2026

6 PM

5 AM30th Sep 2026

Day time
Avg. Highest Time
7AM29th Sep

64AQI

Avg. Lowest Time
6PM29th Sep

28AQI

Night time
Avg. Highest Time
5AM30th Sep

71AQI

Avg. Lowest Time
8PM29th Sep

40AQI

In the last 24 hours,

Chengguan's AQI reached its highest point of 71 at 5 AM during the Night, while the lowest point, 28, was recorded at 6 PM during the Day between 29th Sep and 30th Sep 2026.

Day & Night AQI Trend : Sep 2026

Chengguan, Henan, China

Sep
01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 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
Day
Night
1st Sep 2026426 AMAQI
1st Sep 2026427 AMAQI
1st Sep 2026368 AMAQI
1st Sep 2026349 AMAQI
1st Sep 20263810 AMAQI
1st Sep 20263811 AMAQI
1st Sep 20264212 PMAQI
1st Sep 2026471 PMAQI
1st Sep 2026222 PMAQI
1st Sep 2026363 PMAQI
1st Sep 2026254 PMAQI
1st Sep 2026265 PMAQI
1st Sep 2026326 PMAQI
1st Sep 2026307 PMAQI
1st Sep 2026268 PMAQI
1st Sep 2026299 PMAQI
1st Sep 20264310 PMAQI
1st Sep 20265611 PMAQI
2nd Sep 20264812 AMAQI
2nd Sep 2026511 AMAQI
2nd Sep 2026562 AMAQI
2nd Sep 2026593 AMAQI
2nd Sep 2026544 AMAQI
2nd Sep 2026525 AMAQI

26°C22/32°C

2nd Sep 2026566 AMAQI
2nd Sep 2026457 AMAQI
2nd Sep 2026538 AMAQI
2nd Sep 2026569 AMAQI
2nd Sep 20265610 AMAQI
2nd Sep 20265511 AMAQI
2nd Sep 20265812 PMAQI
2nd Sep 2026461 PMAQI
2nd Sep 2026342 PMAQI
2nd Sep 2026523 PMAQI
2nd Sep 2026574 PMAQI
2nd Sep 2026545 PMAQI
2nd Sep 2026396 PMAQI
2nd Sep 2026447 PMAQI
2nd Sep 2026538 PMAQI
2nd Sep 2026489 PMAQI
2nd Sep 20266410 PMAQI
2nd Sep 20265611 PMAQI
3rd Sep 20265212 AMAQI
3rd Sep 2026511 AMAQI
3rd Sep 2026502 AMAQI
3rd Sep 2026453 AMAQI
3rd Sep 2026544 AMAQI
3rd Sep 2026585 AMAQI

25°C20/31°C

3rd Sep 2026566 AMAQI
3rd Sep 2026607 AMAQI
3rd Sep 2026488 AMAQI
3rd Sep 2026559 AMAQI
3rd Sep 20264610 AMAQI
3rd Sep 20264411 AMAQI
3rd Sep 20265212 PMAQI
3rd Sep 2026301 PMAQI
3rd Sep 2026262 PMAQI
3rd Sep 2026263 PMAQI
3rd Sep 2026254 PMAQI
3rd Sep 2026265 PMAQI
3rd Sep 2026386 PMAQI
3rd Sep 2026347 PMAQI
3rd Sep 2026438 PMAQI
3rd Sep 2026579 PMAQI
3rd Sep 20265610 PMAQI
3rd Sep 20265611 PMAQI
4th Sep 20265512 AMAQI
4th Sep 2026501 AMAQI
4th Sep 2026572 AMAQI
4th Sep 2026413 AMAQI
4th Sep 2026504 AMAQI
4th Sep 2026555 AMAQI

24°C19/30°C

4th Sep 2026576 AMAQI
4th Sep 2026627 AMAQI
4th Sep 2026868 AMAQI
4th Sep 2026739 AMAQI
4th Sep 20266610 AMAQI
4th Sep 20265011 AMAQI
4th Sep 20265012 PMAQI
4th Sep 2026451 PMAQI
4th Sep 2026382 PMAQI
4th Sep 2026413 PMAQI
4th Sep 2026294 PMAQI
4th Sep 2026255 PMAQI
4th Sep 2026366 PMAQI
4th Sep 2026527 PMAQI
4th Sep 2026528 PMAQI
4th Sep 2026609 PMAQI
4th Sep 20265410 PMAQI
4th Sep 20266411 PMAQI
5th Sep 20266712 AMAQI
5th Sep 2026651 AMAQI
5th Sep 2026742 AMAQI
5th Sep 2026573 AMAQI
5th Sep 2026644 AMAQI
5th Sep 2026585 AMAQI

24°C19/30°C

5th Sep 2026726 AMAQI
5th Sep 2026747 AMAQI
5th Sep 2026668 AMAQI
5th Sep 2026609 AMAQI
5th Sep 20265210 AMAQI
5th Sep 20265411 AMAQI
5th Sep 20265212 PMAQI
5th Sep 2026521 PMAQI
5th Sep 2026522 PMAQI
5th Sep 2026503 PMAQI
5th Sep 2026584 PMAQI
5th Sep 2026665 PMAQI
5th Sep 2026606 PMAQI
5th Sep 2026647 PMAQI
5th Sep 2026668 PMAQI
5th Sep 2026729 PMAQI
5th Sep 20268110 PMAQI
5th Sep 20268111 PMAQI
6th Sep 20268612 AMAQI
6th Sep 2026821 AMAQI
6th Sep 2026922 AMAQI
6th Sep 2026923 AMAQI
6th Sep 2026894 AMAQI
6th Sep 2026945 AMAQI

26°C20/33°C

6th Sep 2026906 AMAQI
6th Sep 2026847 AMAQI
6th Sep 2026788 AMAQI
6th Sep 2026759 AMAQI
6th Sep 20268010 AMAQI
6th Sep 20267011 AMAQI
6th Sep 20266012 PMAQI
6th Sep 2026621 PMAQI
6th Sep 2026552 PMAQI
6th Sep 2026533 PMAQI
6th Sep 2026624 PMAQI
6th Sep 2026555 PMAQI
6th Sep 2026676 PMAQI
6th Sep 2026747 PMAQI
6th Sep 2026768 PMAQI
6th Sep 2026749 PMAQI
6th Sep 20267610 PMAQI
6th Sep 20267211 PMAQI
7th Sep 20268412 AMAQI
7th Sep 20261021 AMAQI
7th Sep 20261072 AMAQI
7th Sep 20261123 AMAQI
7th Sep 20261124 AMAQI
7th Sep 20261345 AMAQI

26°C21/32°C

7th Sep 20261406 AMAQI
7th Sep 20261357 AMAQI
7th Sep 20261338 AMAQI
7th Sep 20261359 AMAQI
7th Sep 202612410 AMAQI
7th Sep 202611611 AMAQI
7th Sep 202610212 PMAQI
7th Sep 2026981 PMAQI
7th Sep 20261032 PMAQI
7th Sep 2026983 PMAQI
7th Sep 2026924 PMAQI
7th Sep 2026995 PMAQI
7th Sep 20261006 PMAQI
7th Sep 20261007 PMAQI
7th Sep 20261048 PMAQI
7th Sep 20261009 PMAQI
7th Sep 202610410 PMAQI
7th Sep 202611811 PMAQI
8th Sep 202611312 AMAQI
8th Sep 20261041 AMAQI
8th Sep 20261062 AMAQI
8th Sep 20261003 AMAQI
8th Sep 2026974 AMAQI
8th Sep 2026985 AMAQI

27°C22/32°C

8th Sep 20261026 AMAQI
8th Sep 2026977 AMAQI
8th Sep 20261158 AMAQI
8th Sep 20261129 AMAQI
8th Sep 202611210 AMAQI
8th Sep 202610611 AMAQI
8th Sep 20262812 PMAQI
8th Sep 2026381 PMAQI
8th Sep 2026382 PMAQI
8th Sep 2026303 PMAQI
8th Sep 2026334 PMAQI
8th Sep 2026335 PMAQI
8th Sep 2026296 PMAQI
8th Sep 2026257 PMAQI
8th Sep 2026298 PMAQI
8th Sep 2026269 PMAQI
8th Sep 20263410 PMAQI
8th Sep 20262911 PMAQI
9th Sep 20262512 AMAQI
9th Sep 2026341 AMAQI
9th Sep 2026382 AMAQI
9th Sep 2026363 AMAQI
9th Sep 2026334 AMAQI
9th Sep 2026525 AMAQI

20°C16/25°C

9th Sep 2026426 AMAQI
9th Sep 2026507 AMAQI
9th Sep 2026258 AMAQI
9th Sep 2026339 AMAQI
9th Sep 20263310 AMAQI
9th Sep 20264611 AMAQI
9th Sep 20263612 PMAQI
9th Sep 2026371 PMAQI
9th Sep 2026332 PMAQI
9th Sep 2026213 PMAQI
9th Sep 2026334 PMAQI
9th Sep 2026335 PMAQI
9th Sep 2026296 PMAQI
9th Sep 2026287 PMAQI
9th Sep 2026308 PMAQI
9th Sep 2026429 PMAQI
9th Sep 20264610 PMAQI
9th Sep 20263411 PMAQI
10th Sep 20264512 AMAQI
10th Sep 2026481 AMAQI
10th Sep 2026502 AMAQI
10th Sep 2026603 AMAQI
10th Sep 2026294 AMAQI
10th Sep 2026325 AMAQI

15°C14/16°C

10th Sep 2026436 AMAQI
10th Sep 2026487 AMAQI
10th Sep 2026548 AMAQI
10th Sep 2026499 AMAQI
10th Sep 20265010 AMAQI
10th Sep 20265211 AMAQI
10th Sep 20264212 PMAQI
10th Sep 2026291 PMAQI
10th Sep 2026272 PMAQI
10th Sep 2026333 PMAQI
10th Sep 2026264 PMAQI
10th Sep 2026495 PMAQI
10th Sep 2026486 PMAQI
10th Sep 2026547 PMAQI
10th Sep 2026628 PMAQI
10th Sep 2026569 PMAQI
10th Sep 20265510 PMAQI
10th Sep 20266811 PMAQI
11th Sep 20266812 AMAQI
11th Sep 2026741 AMAQI
11th Sep 2026812 AMAQI
11th Sep 2026903 AMAQI
11th Sep 2026684 AMAQI
11th Sep 2026895 AMAQI

20°C15/27°C

11th Sep 2026906 AMAQI
11th Sep 2026927 AMAQI
11th Sep 2026758 AMAQI
11th Sep 2026909 AMAQI
11th Sep 20269010 AMAQI
11th Sep 20268411 AMAQI
11th Sep 20266012 PMAQI
11th Sep 2026581 PMAQI
11th Sep 2026542 PMAQI
11th Sep 2026473 PMAQI
11th Sep 2026304 PMAQI
11th Sep 2026355 PMAQI
11th Sep 2026506 PMAQI
11th Sep 2026477 PMAQI
11th Sep 2026508 PMAQI
11th Sep 2026549 PMAQI
11th Sep 20266610 PMAQI
11th Sep 20267611 PMAQI
12th Sep 20266812 AMAQI
12th Sep 2026881 AMAQI
12th Sep 2026822 AMAQI
12th Sep 2026763 AMAQI
12th Sep 2026504 AMAQI
12th Sep 2026565 AMAQI

23°C20/28°C

12th Sep 2026686 AMAQI
12th Sep 2026737 AMAQI
12th Sep 2026518 AMAQI
12th Sep 2026469 AMAQI
12th Sep 20266310 AMAQI
12th Sep 20264211 AMAQI
12th Sep 20263212 PMAQI
12th Sep 2026461 PMAQI
12th Sep 2026562 PMAQI
12th Sep 2026483 PMAQI
12th Sep 2026334 PMAQI
12th Sep 2026295 PMAQI
12th Sep 2026216 PMAQI
12th Sep 2026267 PMAQI
12th Sep 2026388 PMAQI
12th Sep 2026299 PMAQI
12th Sep 20264010 PMAQI
12th Sep 20265711 PMAQI
13th Sep 20266012 AMAQI
13th Sep 2026761 AMAQI
13th Sep 2026942 AMAQI
13th Sep 2026963 AMAQI
13th Sep 2026785 AMAQI

22°C19/27°C

13th Sep 2026786 AMAQI
13th Sep 2026817 AMAQI
13th Sep 2026818 AMAQI
13th Sep 2026789 AMAQI
13th Sep 20269210 AMAQI
13th Sep 202611011 AMAQI
13th Sep 20269812 PMAQI
13th Sep 2026661 PMAQI
13th Sep 2026792 PMAQI
13th Sep 2026683 PMAQI
13th Sep 2026784 PMAQI
13th Sep 2026785 PMAQI
13th Sep 2026756 PMAQI
13th Sep 2026827 PMAQI
13th Sep 2026898 PMAQI
13th Sep 2026959 PMAQI
13th Sep 202610410 PMAQI
13th Sep 202610411 PMAQI
14th Sep 202613012 AMAQI
14th Sep 20261391 AMAQI
14th Sep 20261412 AMAQI
14th Sep 20261423 AMAQI
14th Sep 20261394 AMAQI
14th Sep 20261495 AMAQI

25°C21/31°C

14th Sep 20261476 AMAQI
14th Sep 20261407 AMAQI
14th Sep 20261328 AMAQI
14th Sep 20261009 AMAQI
14th Sep 20269810 AMAQI
14th Sep 202610311 AMAQI
14th Sep 202610012 PMAQI
14th Sep 2026961 PMAQI
14th Sep 2026712 PMAQI
14th Sep 2026723 PMAQI
14th Sep 2026764 PMAQI
14th Sep 2026825 PMAQI
14th Sep 2026786 PMAQI
14th Sep 2026887 PMAQI
14th Sep 2026968 PMAQI
14th Sep 20261009 PMAQI
14th Sep 20268410 PMAQI
14th Sep 20268611 PMAQI
15th Sep 202611012 AMAQI
15th Sep 20261261 AMAQI
15th Sep 20261302 AMAQI
15th Sep 20261383 AMAQI
15th Sep 20261494 AMAQI
15th Sep 20261505 AMAQI

25°C20/32°C

15th Sep 20261506 AMAQI
15th Sep 20261527 AMAQI
15th Sep 20261508 AMAQI
15th Sep 20261349 AMAQI
15th Sep 202611910 AMAQI
15th Sep 20269611 AMAQI
15th Sep 20268712 PMAQI
15th Sep 2026801 PMAQI
15th Sep 2026742 PMAQI
15th Sep 2026573 PMAQI
15th Sep 2026434 PMAQI
15th Sep 2026375 PMAQI
15th Sep 2026396 PMAQI
15th Sep 2026587 PMAQI
15th Sep 2026658 PMAQI
15th Sep 2026699 PMAQI
15th Sep 20267210 PMAQI
15th Sep 20268211 PMAQI
16th Sep 20269012 AMAQI
16th Sep 20261061 AMAQI
16th Sep 2026972 AMAQI
16th Sep 2026913 AMAQI
16th Sep 2026944 AMAQI
16th Sep 2026915 AMAQI

25°C19/33°C

16th Sep 20261136 AMAQI
16th Sep 20261117 AMAQI
16th Sep 20261228 AMAQI
16th Sep 20261269 AMAQI
16th Sep 202612110 AMAQI
16th Sep 202612611 AMAQI
16th Sep 202612512 PMAQI
16th Sep 20261251 PMAQI
16th Sep 20261082 PMAQI
16th Sep 2026563 PMAQI
16th Sep 2026564 PMAQI
16th Sep 2026405 PMAQI
16th Sep 2026526 PMAQI
16th Sep 2026717 PMAQI
16th Sep 2026738 PMAQI
16th Sep 2026769 PMAQI
16th Sep 20267510 PMAQI
16th Sep 20266811 PMAQI
17th Sep 20265412 AMAQI
17th Sep 2026381 AMAQI
17th Sep 2026342 AMAQI
17th Sep 2026293 AMAQI
17th Sep 2026284 AMAQI
17th Sep 2026285 AMAQI

24°C21/29°C

17th Sep 2026286 AMAQI
17th Sep 2026277 AMAQI
17th Sep 2026298 AMAQI
17th Sep 2026409 AMAQI
17th Sep 20262610 AMAQI
17th Sep 20262411 AMAQI
17th Sep 20262412 PMAQI
17th Sep 2026361 PMAQI
17th Sep 2026432 PMAQI
17th Sep 2026333 PMAQI
17th Sep 2026524 PMAQI
17th Sep 2026555 PMAQI
17th Sep 2026616 PMAQI
17th Sep 2026597 PMAQI
17th Sep 2026608 PMAQI
17th Sep 2026689 PMAQI
17th Sep 20267810 PMAQI
17th Sep 20267811 PMAQI
18th Sep 20268012 AMAQI
18th Sep 2026741 AMAQI
18th Sep 2026852 AMAQI
18th Sep 2026883 AMAQI
18th Sep 2026984 AMAQI
18th Sep 2026985 AMAQI

22°C19/27°C

18th Sep 20261006 AMAQI
18th Sep 2026977 AMAQI
18th Sep 20261048 AMAQI
18th Sep 2026969 AMAQI
18th Sep 20268410 AMAQI
18th Sep 20267811 AMAQI
18th Sep 20267912 PMAQI
18th Sep 2026731 PMAQI
18th Sep 2026702 PMAQI
18th Sep 2026833 PMAQI
18th Sep 2026574 PMAQI
18th Sep 2026825 PMAQI
18th Sep 2026826 PMAQI
18th Sep 2026887 PMAQI
18th Sep 20261068 PMAQI
18th Sep 20261179 PMAQI
18th Sep 202611810 PMAQI
18th Sep 202611611 PMAQI
19th Sep 202613012 AMAQI
19th Sep 20261371 AMAQI
19th Sep 20261322 AMAQI
19th Sep 20261353 AMAQI
19th Sep 20261264 AMAQI
19th Sep 20261065 AMAQI

23°C17/29°C

19th Sep 20261206 AMAQI
19th Sep 20261477 AMAQI
19th Sep 20261508 AMAQI
19th Sep 20261349 AMAQI
19th Sep 202614010 AMAQI
19th Sep 202614911 AMAQI
19th Sep 202614812 PMAQI
19th Sep 20261061 PMAQI
19th Sep 20261142 PMAQI
19th Sep 20261023 PMAQI
19th Sep 2026934 PMAQI
19th Sep 20261055 PMAQI
19th Sep 2026966 PMAQI
19th Sep 2026927 PMAQI
19th Sep 2026778 PMAQI
19th Sep 20261019 PMAQI
19th Sep 202610510 PMAQI
19th Sep 202611811 PMAQI
20th Sep 202610812 AMAQI
20th Sep 20261311 AMAQI
20th Sep 20261462 AMAQI
20th Sep 20261473 AMAQI
20th Sep 20261444 AMAQI
20th Sep 20261355 AMAQI

24°C19/30°C

20th Sep 20261146 AMAQI
20th Sep 20261257 AMAQI
20th Sep 20261478 AMAQI
20th Sep 20261539 AMAQI
20th Sep 202616010 AMAQI
20th Sep 202616011 AMAQI
20th Sep 202616112 PMAQI
20th Sep 20261581 PMAQI
20th Sep 20261572 PMAQI
20th Sep 20261523 PMAQI
20th Sep 20261314 PMAQI
20th Sep 20261245 PMAQI
20th Sep 20261366 PMAQI
20th Sep 20261237 PMAQI
20th Sep 20261038 PMAQI
20th Sep 2026989 PMAQI
20th Sep 20269910 PMAQI
20th Sep 202610211 PMAQI
21st Sep 202612412 AMAQI
21st Sep 20261281 AMAQI
21st Sep 20261272 AMAQI
21st Sep 20261123 AMAQI
21st Sep 20261244 AMAQI
21st Sep 20261265 AMAQI

22°C20/24°C

21st Sep 20261236 AMAQI
21st Sep 20261327 AMAQI
21st Sep 20261258 AMAQI
21st Sep 20261259 AMAQI
21st Sep 202611610 AMAQI
21st Sep 202612211 AMAQI
21st Sep 202612712 PMAQI
21st Sep 20261241 PMAQI
21st Sep 20261442 PMAQI
21st Sep 20261193 PMAQI
21st Sep 20261204 PMAQI
21st Sep 20261055 PMAQI
21st Sep 20261216 PMAQI
21st Sep 20261347 PMAQI
21st Sep 20261398 PMAQI
21st Sep 20261389 PMAQI
21st Sep 202614010 PMAQI
21st Sep 202614011 PMAQI
22nd Sep 202613212 AMAQI
22nd Sep 2026961 AMAQI
22nd Sep 2026662 AMAQI
22nd Sep 20261523 AMAQI
22nd Sep 20261534 AMAQI
22nd Sep 20261595 AMAQI

23°C20/28°C

22nd Sep 20261596 AMAQI
22nd Sep 20261617 AMAQI
22nd Sep 20261548 AMAQI
22nd Sep 20261609 AMAQI
22nd Sep 202615710 AMAQI
22nd Sep 202615511 AMAQI
22nd Sep 202615512 PMAQI
22nd Sep 20261561 PMAQI
22nd Sep 20261572 PMAQI
22nd Sep 20261603 PMAQI
22nd Sep 20261544 PMAQI
22nd Sep 20261525 PMAQI
22nd Sep 20261536 PMAQI
22nd Sep 20261517 PMAQI
22nd Sep 20261518 PMAQI
22nd Sep 20261549 PMAQI
22nd Sep 202615610 PMAQI
22nd Sep 202615811 PMAQI
23rd Sep 202615912 AMAQI
23rd Sep 20261591 AMAQI
23rd Sep 20261602 AMAQI
23rd Sep 20261583 AMAQI
23rd Sep 20261584 AMAQI
23rd Sep 20261595 AMAQI

25°C20/32°C

23rd Sep 20261606 AMAQI
23rd Sep 20261627 AMAQI
23rd Sep 20261628 AMAQI
23rd Sep 20261649 AMAQI
23rd Sep 202616110 AMAQI
23rd Sep 202615511 AMAQI
23rd Sep 202615312 PMAQI
23rd Sep 20261501 PMAQI
23rd Sep 20261402 PMAQI
23rd Sep 20261243 PMAQI
23rd Sep 20261204 PMAQI
23rd Sep 20261275 PMAQI
23rd Sep 20261246 PMAQI
23rd Sep 20261377 PMAQI
23rd Sep 20261228 PMAQI
23rd Sep 20261269 PMAQI
23rd Sep 202612910 PMAQI
23rd Sep 202613611 PMAQI
24th Sep 202614812 AMAQI
24th Sep 20261481 AMAQI
24th Sep 20261532 AMAQI
24th Sep 20261523 AMAQI
24th Sep 20261534 AMAQI
24th Sep 20261565 AMAQI

25°C21/31°C

24th Sep 20261566 AMAQI
24th Sep 20261577 AMAQI
24th Sep 20261588 AMAQI
24th Sep 20261589 AMAQI
24th Sep 202615910 AMAQI
24th Sep 202615911 AMAQI
24th Sep 202615312 PMAQI
24th Sep 20261431 PMAQI
24th Sep 20261062 PMAQI
24th Sep 20261003 PMAQI
24th Sep 20261084 PMAQI
24th Sep 20261165 PMAQI
24th Sep 20261096 PMAQI
24th Sep 20261107 PMAQI
24th Sep 20261168 PMAQI
24th Sep 2026999 PMAQI
24th Sep 20269910 PMAQI
24th Sep 20269111 PMAQI
25th Sep 20266412 AMAQI
25th Sep 2026701 AMAQI
25th Sep 2026642 AMAQI
25th Sep 2026663 AMAQI
25th Sep 2026604 AMAQI
25th Sep 2026545 AMAQI

22°C18/26°C

25th Sep 2026546 AMAQI
25th Sep 2026487 AMAQI
25th Sep 2026448 AMAQI
25th Sep 2026469 AMAQI
25th Sep 20264310 AMAQI
25th Sep 20264911 AMAQI
25th Sep 20264912 PMAQI
25th Sep 2026471 PMAQI
25th Sep 2026592 PMAQI
25th Sep 2026613 PMAQI
25th Sep 2026624 PMAQI
25th Sep 2026805 PMAQI
25th Sep 2026846 PMAQI
25th Sep 2026827 PMAQI
25th Sep 2026688 PMAQI
25th Sep 2026749 PMAQI
25th Sep 20267810 PMAQI
25th Sep 20268411 PMAQI
26th Sep 202610612 AMAQI
26th Sep 2026971 AMAQI
26th Sep 2026862 AMAQI
26th Sep 2026893 AMAQI
26th Sep 2026884 AMAQI
26th Sep 2026895 AMAQI

20°C18/23°C

26th Sep 20261066 AMAQI
26th Sep 20261007 AMAQI
26th Sep 20261048 AMAQI
26th Sep 20261169 AMAQI
26th Sep 202610310 AMAQI
26th Sep 202610211 AMAQI
26th Sep 202610412 PMAQI
26th Sep 20261121 PMAQI
26th Sep 20261022 PMAQI
26th Sep 2026973 PMAQI
26th Sep 2026944 PMAQI
26th Sep 2026825 PMAQI
26th Sep 2026806 PMAQI
26th Sep 2026787 PMAQI
26th Sep 2026728 PMAQI
26th Sep 2026729 PMAQI
26th Sep 20267010 PMAQI
26th Sep 20266811 PMAQI
27th Sep 20266012 AMAQI
27th Sep 2026601 AMAQI
27th Sep 2026692 AMAQI
27th Sep 2026763 AMAQI
27th Sep 2026824 AMAQI
27th Sep 2026845 AMAQI

23°C18/27°C

27th Sep 2026846 AMAQI
27th Sep 2026887 AMAQI
27th Sep 2026798 AMAQI
27th Sep 2026759 AMAQI
27th Sep 20268310 AMAQI
27th Sep 20269411 AMAQI
27th Sep 20269812 PMAQI
27th Sep 2026961 PMAQI
27th Sep 2026902 PMAQI
27th Sep 2026843 PMAQI
27th Sep 2026844 PMAQI
27th Sep 2026855 PMAQI
27th Sep 2026786 PMAQI
27th Sep 2026857 PMAQI
27th Sep 2026838 PMAQI
27th Sep 2026989 PMAQI
27th Sep 202611110 PMAQI
27th Sep 202611411 PMAQI
28th Sep 202612712 AMAQI
28th Sep 20261211 AMAQI
28th Sep 20261262 AMAQI
28th Sep 20261303 AMAQI
28th Sep 20261444 AMAQI
28th Sep 20261445 AMAQI

23°C20/27°C

28th Sep 20261436 AMAQI
28th Sep 20261387 AMAQI
28th Sep 20261298 AMAQI
28th Sep 20261259 AMAQI
28th Sep 202612710 AMAQI
28th Sep 202614711 AMAQI
28th Sep 202614412 PMAQI
28th Sep 20261261 PMAQI
28th Sep 2026802 PMAQI
28th Sep 2026483 PMAQI
28th Sep 2026554 PMAQI
28th Sep 2026505 PMAQI
28th Sep 2026586 PMAQI
28th Sep 2026537 PMAQI
28th Sep 2026538 PMAQI
28th Sep 2026609 PMAQI
28th Sep 20266610 PMAQI
28th Sep 20266911 PMAQI
29th Sep 20267312 AMAQI
29th Sep 2026701 AMAQI
29th Sep 2026682 AMAQI
29th Sep 2026663 AMAQI
29th Sep 2026604 AMAQI
29th Sep 2026565 AMAQI

20°C18/22°C

29th Sep 2026606 AMAQI
29th Sep 2026647 AMAQI
29th Sep 2026618 AMAQI
29th Sep 2026529 AMAQI
29th Sep 20265910 AMAQI
29th Sep 20266011 AMAQI
29th Sep 20264312 PMAQI
29th Sep 2026311 PMAQI
29th Sep 2026322 PMAQI
29th Sep 2026283 PMAQI
29th Sep 2026304 PMAQI
29th Sep 2026305 PMAQI
29th Sep 2026286 PMAQI
29th Sep 2026437 PMAQI
29th Sep 2026408 PMAQI
29th Sep 2026429 PMAQI
29th Sep 20264510 PMAQI
29th Sep 20264611 PMAQI
30th Sep 20264912 AMAQI
30th Sep 2026551 AMAQI
30th Sep 2026542 AMAQI
30th Sep 2026683 AMAQI
30th Sep 2026684 AMAQI
30th Sep 2026715 AMAQI

22°C18/28°C

30th Sep 2026846 AMAQI
6 AM
30th Sep 2026827 AMAQI
30th Sep 2026868 AMAQI
30th Sep 2026869 AMAQI
30th Sep 20269910 AMAQI
30th Sep 20269811 AMAQI
30th Sep 20269812 PMAQI
12 PM
30th Sep 2026741 PMAQI
30th Sep 2026462 PMAQI
30th Sep 2026643 PMAQI
30th Sep 2026584 PMAQI
30th Sep 2026625 PMAQI
30th Sep 2026566 PMAQI
6 PM
30th Sep 2026527 PMAQI
30th Sep 2026498 PMAQI
30th Sep 2026529 PMAQI
30th Sep 20264810 PMAQI
30th Sep 20264811 PMAQI
12 AM
5 AM

21°C18/23°C

Day time
Avg. Highest Time
6 AM - 11 AM

94AQI

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

67AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 11 AM (Avg. 94), while the lowest AQI was between 4 PM to 6 PM (Avg. 67).
Night time
Avg. Highest Time
3 AM - 5 AM

91AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
7 PM - 8 PM

73AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 5 AM (Avg. 91), while the lowest AQI was between 7 PM to 8 PM (Avg. 73).

2026 Days Vs Air Quality

Chengguan, Henan, China

2026

15%

42

49%

135

23%

62

12%

34

Total number of days with different AQI categories in last 273 days in 2026 (92 days remaining)

Good
42 Days
Moderate
135 Days
Poor
62 Days
Unhealthy
34 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 15%

Health Risk Level:

Extreme

In 2026, 15% of 273 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

Chengguan, 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
116AQI (US)
2nd January 2026
168AQI (US)
3rd January 2026
173AQI (US)
4th January 2026
174AQI (US)
5th January 2026
190AQI (US)
6th January 2026
90AQI (US)
7th January 2026
78AQI (US)
8th January 2026
114AQI (US)
9th January 2026
86AQI (US)
10th January 2026
74AQI (US)
11th January 2026
70AQI (US)
12th January 2026
98AQI (US)
13th January 2026
118AQI (US)
14th January 2026
162AQI (US)
15th January 2026
130AQI (US)
16th January 2026
154AQI (US)
17th January 2026
137AQI (US)
18th January 2026
130AQI (US)
19th January 2026
104AQI (US)
20th January 2026
111AQI (US)
21st January 2026
146AQI (US)
22nd January 2026
165AQI (US)
23rd January 2026
162AQI (US)
24th January 2026
172AQI (US)
25th January 2026
174AQI (US)
26th January 2026
170AQI (US)
27th January 2026
192AQI (US)
28th January 2026
183AQI (US)
29th January 2026
182AQI (US)
30th January 2026
134AQI (US)
31st January 2026
178AQI (US)
1st February 2026
164AQI (US)
2nd February 2026
154AQI (US)
3rd February 2026
169AQI (US)
4th February 2026
165AQI (US)
5th February 2026
146AQI (US)
6th February 2026
84AQI (US)
7th February 2026
100AQI (US)
8th February 2026
154AQI (US)
9th February 2026
134AQI (US)
10th February 2026
120AQI (US)
11th February 2026
119AQI (US)
12th February 2026
150AQI (US)
13th February 2026
163AQI (US)
14th February 2026
156AQI (US)
15th February 2026
80AQI (US)
16th February 2026
56AQI (US)
17th February 2026
143AQI (US)
18th February 2026
122AQI (US)
19th February 2026
102AQI (US)
20th February 2026
75AQI (US)
21st February 2026
100AQI (US)
22nd February 2026
88AQI (US)
23rd February 2026
106AQI (US)
24th February 2026
100AQI (US)
25th February 2026
67AQI (US)
26th February 2026
80AQI (US)
27th February 2026
144AQI (US)
28th February 2026
133AQI (US)
1st March 2026
101AQI (US)
2nd March 2026
134AQI (US)
3rd March 2026
166AQI (US)
4th March 2026
164AQI (US)
5th March 2026
155AQI (US)
6th March 2026
135AQI (US)
7th March 2026
116AQI (US)
8th March 2026
158AQI (US)
9th March 2026
158AQI (US)
10th March 2026
168AQI (US)
11th March 2026
161AQI (US)
12th March 2026
168AQI (US)
13th March 2026
168AQI (US)
14th March 2026
143AQI (US)
15th March 2026
93AQI (US)
16th March 2026
116AQI (US)
17th March 2026
151AQI (US)
18th March 2026
101AQI (US)
19th March 2026
109AQI (US)
20th March 2026
156AQI (US)
21st March 2026
144AQI (US)
22nd March 2026
111AQI (US)
23rd March 2026
108AQI (US)
24th March 2026
148AQI (US)
25th March 2026
139AQI (US)
26th March 2026
136AQI (US)
27th March 2026
156AQI (US)
28th March 2026
130AQI (US)
29th March 2026
74AQI (US)
30th March 2026
118AQI (US)
31st March 2026
125AQI (US)
1st April 2026
119AQI (US)
2nd April 2026
130AQI (US)
3rd April 2026
75AQI (US)
4th April 2026
54AQI (US)
5th April 2026
84AQI (US)
6th April 2026
88AQI (US)
7th April 2026
86AQI (US)
8th April 2026
91AQI (US)
9th April 2026
82AQI (US)
10th April 2026
118AQI (US)
11th April 2026
106AQI (US)
12th April 2026
108AQI (US)
13th April 2026
65AQI (US)
14th April 2026
80AQI (US)
15th April 2026
70AQI (US)
16th April 2026
127AQI (US)
17th April 2026
124AQI (US)
18th April 2026
110AQI (US)
19th April 2026
88AQI (US)
20th April 2026
87AQI (US)
21st April 2026
51AQI (US)
22nd April 2026
65AQI (US)
23rd April 2026
86AQI (US)
24th April 2026
70AQI (US)
25th April 2026
66AQI (US)
26th April 2026
98AQI (US)
27th April 2026
114AQI (US)
28th April 2026
78AQI (US)
29th April 2026
52AQI (US)
30th April 2026
76AQI (US)
1st May 2026
86AQI (US)
2nd May 2026
54AQI (US)
3rd May 2026
40AQI (US)
4th May 2026
52AQI (US)
5th May 2026
79AQI (US)
6th May 2026
84AQI (US)
7th May 2026
56AQI (US)
8th May 2026
59AQI (US)
9th May 2026
67AQI (US)
10th May 2026
83AQI (US)
11th May 2026
96AQI (US)
12th May 2026
122AQI (US)
13th May 2026
131AQI (US)
14th May 2026
113AQI (US)
15th May 2026
88AQI (US)
16th May 2026
76AQI (US)
17th May 2026
64AQI (US)
18th May 2026
57AQI (US)
19th May 2026
54AQI (US)
20th May 2026
64AQI (US)
21st May 2026
69AQI (US)
22nd May 2026
82AQI (US)
23rd May 2026
72AQI (US)
24th May 2026
72AQI (US)
25th May 2026
66AQI (US)
26th May 2026
46AQI (US)
27th May 2026
60AQI (US)
28th May 2026
70AQI (US)
29th May 2026
51AQI (US)
30th May 2026
72AQI (US)
31st May 2026
67AQI (US)
1st June 2026
94AQI (US)
2nd June 2026
124AQI (US)
3rd June 2026
118AQI (US)
4th June 2026
56AQI (US)
5th June 2026
103AQI (US)
6th June 2026
77AQI (US)
7th June 2026
40AQI (US)
8th June 2026
52AQI (US)
9th June 2026
55AQI (US)
10th June 2026
51AQI (US)
11th June 2026
61AQI (US)
12th June 2026
88AQI (US)
13th June 2026
56AQI (US)
14th June 2026
66AQI (US)
15th June 2026
73AQI (US)
16th June 2026
60AQI (US)
17th June 2026
62AQI (US)
18th June 2026
78AQI (US)
19th June 2026
42AQI (US)
20th June 2026
61AQI (US)
21st June 2026
52AQI (US)
22nd June 2026
44AQI (US)
23rd June 2026
68AQI (US)
24th June 2026
48AQI (US)
25th June 2026
66AQI (US)
26th June 2026
46AQI (US)
27th June 2026
90AQI (US)
28th June 2026
64AQI (US)
29th June 2026
84AQI (US)
30th June 2026
85AQI (US)
1st July 2026
58AQI (US)
2nd July 2026
86AQI (US)
3rd July 2026
41AQI (US)
4th July 2026
46AQI (US)
5th July 2026
54AQI (US)
6th July 2026
36AQI (US)
7th July 2026
44AQI (US)
8th July 2026
60AQI (US)
9th July 2026
60AQI (US)
10th July 2026
42AQI (US)
11th July 2026
46AQI (US)
12th July 2026
58AQI (US)
13th July 2026
61AQI (US)
14th July 2026
66AQI (US)
15th July 2026
50AQI (US)
16th July 2026
70AQI (US)
17th July 2026
42AQI (US)
18th July 2026
79AQI (US)
19th July 2026
87AQI (US)
20th July 2026
93AQI (US)
21st July 2026
81AQI (US)
22nd July 2026
66AQI (US)
23rd July 2026
38AQI (US)
24th July 2026
48AQI (US)
25th July 2026
38AQI (US)
26th July 2026
56AQI (US)
27th July 2026
34AQI (US)
28th July 2026
34AQI (US)
29th July 2026
36AQI (US)
30th July 2026
33AQI (US)
31st July 2026
46AQI (US)
1st August 2026
55AQI (US)
2nd August 2026
56AQI (US)
3rd August 2026
36AQI (US)
4th August 2026
40AQI (US)
5th August 2026
54AQI (US)
6th August 2026
65AQI (US)
7th August 2026
86AQI (US)
8th August 2026
70AQI (US)
9th August 2026
43AQI (US)
10th August 2026
51AQI (US)
11th August 2026
50AQI (US)
12th August 2026
38AQI (US)
13th August 2026
32AQI (US)
14th August 2026
52AQI (US)
15th August 2026
60AQI (US)
16th August 2026
82AQI (US)
17th August 2026
72AQI (US)
18th August 2026
72AQI (US)
19th August 2026
63AQI (US)
20th August 2026
82AQI (US)
21st August 2026
43AQI (US)
22nd August 2026
65AQI (US)
23rd August 2026
76AQI (US)
24th August 2026
70AQI (US)
25th August 2026
38AQI (US)
26th August 2026
46AQI (US)
27th August 2026
42AQI (US)
28th August 2026
44AQI (US)
29th August 2026
42AQI (US)
30th August 2026
54AQI (US)
31st August 2026
53AQI (US)
1st September 2026
38AQI (US)
2nd September 2026
52AQI (US)
3rd September 2026
46AQI (US)
4th September 2026
52AQI (US)
5th September 2026
63AQI (US)
6th September 2026
75AQI (US)
7th September 2026
110AQI (US)
8th September 2026
68AQI (US)
9th September 2026
36AQI (US)
10th September 2026
46AQI (US)
11th September 2026
68AQI (US)
12th September 2026
50AQI (US)
13th September 2026
84AQI (US)
14th September 2026
108AQI (US)
15th September 2026
98AQI (US)
16th September 2026
92AQI (US)
17th September 2026
43AQI (US)
18th September 2026
90AQI (US)
19th September 2026
119AQI (US)
20th September 2026
134AQI (US)
21st September 2026
126AQI (US)
22nd September 2026
148AQI (US)
23rd September 2026
146AQI (US)
24th September 2026
134AQI (US)
25th September 2026
62AQI (US)
26th September 2026
92AQI (US)
27th September 2026
85AQI (US)
28th September 2026
102AQI (US)
29th September 2026
50AQI (US)
30th September 2026
67AQI (US)
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

140AQI (US)

121AQI (US)

136AQI (US)

88AQI (US)

73AQI (US)

69AQI (US)

54AQI (US)

56AQI (US)

83AQI (US)

No. of days

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

202691AQI (US)

6
10
15
10
11
7
2
17
12
21
9
2
26
3
5
22
3
16
15
12
19
7
14
9
42
135
62
34

Highest AQI (US) recorded in

January

140AQI (US)

Lowest AQI (US) recorded in

July

54AQI (US)

2025105AQI (US)

10
9
12
5
19
4
12
13
4
1
1
11
19
12
19
26
4
31
31
30
17
7
6
1
5
13
12
5
8
15
3
195
111
53
5
1

Highest AQI (US) recorded in

December

154AQI (US)

Lowest AQI (US) recorded in

August

63AQI (US)

2024104AQI (US)

6
8
2
2
1
4
2
1
10
2
30
2
29
1
29
1
4
16
6
3
6
13
11
1
11
10
8
1
6
21
4
7
137
62
41
4

Highest AQI (US) recorded in

January

165AQI (US)

Lowest AQI (US) recorded in

July

65AQI (US)

2023147AQI (US)

3
13
18
16
18

Highest AQI (US) recorded in

December

149AQI (US)

Lowest AQI (US) recorded in

November

129AQI (US)

2021155AQI (US)

3
8
14
5
1
12
11
1
2
2
4
22
27
6

Highest AQI (US) recorded in

January

163AQI (US)

Lowest AQI (US) recorded in

March

140AQI (US)

2020133AQI (US)

3
7
17
14
7
15
3
2
13
15
1
4
9
16
1
3
4
20
4
36
62
54
6

Highest AQI (US) recorded in

December

167AQI (US)

Lowest AQI (US) recorded in

August

98AQI (US)

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2021(Avg.)
155AQI (US)
Least Polluted Year Recorded
2026(Avg.)
91AQI (US)

Chengguan's annual 2026 AQI (US) (91) shows an average percentage change of -27.3% (improved AQI (US)) compared to previous years: 2020 (133), 2021 (155), 2023 (147), 2024 (104), 2025 (105).