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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Yanjin Jiujiu, Chengjiao, 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

Yanjin Jiujiu, Chengjiao, Henan, China

2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
7th Aug 2026
88AQI
Lowest AQI recorded on
13th Aug 2026
29AQI

Same Day Analysis (18th August):
On this day, AQI across the 3 years varied significantly: 2026 ranks 1st highest AQI at 75 of Moderate air quality on the same day.

Day & Night AQI Trend: 17th Aug - 18th Aug 2026

Yanjin Jiujiu, Chengjiao, Henan, China

AQI
Day
Night
.

5 AM17th Aug 2026

7 PM

4 AM18th Aug 2026

Day time
Avg. Highest Time
5PM17th Aug

87AQI

Avg. Lowest Time
9AM17th Aug

58AQI

Night time
Avg. Highest Time
10PM17th Aug

90AQI

Avg. Lowest Time
11PM17th Aug

78AQI

In the last 24 hours,

Yanjin Jiujiu's AQI reached its highest point of 90 at 10 PM during the Night, while the lowest point, 58, was recorded at 9 AM during the Day between 17th Aug and 18th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Yanjin Jiujiu, Chengjiao, Henan, China

JulAug
20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th
Day
Night
20th Jul 2026825 AMAQI
20th Jul 2026946 AMAQI
20th Jul 2026807 AMAQI
20th Jul 2026878 AMAQI
20th Jul 2026929 AMAQI
20th Jul 20269210 AMAQI
20th Jul 202610411 AMAQI
20th Jul 202610212 PMAQI
20th Jul 20261181 PMAQI
20th Jul 20261182 PMAQI
20th Jul 20261083 PMAQI
20th Jul 20261244 PMAQI
20th Jul 20261125 PMAQI
20th Jul 2026926 PMAQI
20th Jul 2026867 PMAQI
20th Jul 2026898 PMAQI
20th Jul 2026889 PMAQI
20th Jul 202610210 PMAQI
20th Jul 20268711 PMAQI
21st Jul 20268412 AMAQI
21st Jul 2026801 AMAQI
21st Jul 2026872 AMAQI
21st Jul 2026743 AMAQI
21st Jul 2026824 AMAQI

30°C25/36°C

21st Jul 2026815 AMAQI
21st Jul 2026836 AMAQI
21st Jul 2026947 AMAQI
21st Jul 2026888 AMAQI
21st Jul 2026729 AMAQI
21st Jul 20267110 AMAQI
21st Jul 20269012 PMAQI
21st Jul 2026881 PMAQI
21st Jul 2026852 PMAQI
21st Jul 2026823 PMAQI
21st Jul 2026804 PMAQI
21st Jul 2026835 PMAQI
21st Jul 20261006 PMAQI
21st Jul 2026747 PMAQI
21st Jul 2026728 PMAQI
21st Jul 2026699 PMAQI
21st Jul 20266910 PMAQI
21st Jul 20266911 PMAQI
22nd Jul 20267012 AMAQI
22nd Jul 2026701 AMAQI
22nd Jul 2026722 AMAQI
22nd Jul 2026713 AMAQI
22nd Jul 2026804 AMAQI

30°C24/37°C

22nd Jul 20261025 AMAQI
22nd Jul 20261026 AMAQI
22nd Jul 2026907 AMAQI
22nd Jul 2026848 AMAQI
22nd Jul 2026749 AMAQI
22nd Jul 20266510 AMAQI
22nd Jul 20266911 AMAQI
22nd Jul 20265812 PMAQI
22nd Jul 2026551 PMAQI
22nd Jul 2026572 PMAQI
22nd Jul 2026403 PMAQI
22nd Jul 2026544 PMAQI
22nd Jul 2026555 PMAQI
22nd Jul 2026526 PMAQI
22nd Jul 2026647 PMAQI
22nd Jul 2026468 PMAQI
22nd Jul 2026549 PMAQI
22nd Jul 20265210 PMAQI
22nd Jul 20266211 PMAQI
23rd Jul 20265512 AMAQI
23rd Jul 2026661 AMAQI
23rd Jul 2026382 AMAQI
23rd Jul 2026423 AMAQI
23rd Jul 2026304 AMAQI

29°C24/34°C

23rd Jul 2026215 AMAQI
23rd Jul 2026316 AMAQI
23rd Jul 2026407 AMAQI
23rd Jul 2026298 AMAQI
23rd Jul 2026339 AMAQI
23rd Jul 20262110 AMAQI
23rd Jul 20262511 AMAQI
23rd Jul 20262312 PMAQI
23rd Jul 2026231 PMAQI
23rd Jul 2026252 PMAQI
23rd Jul 2026383 PMAQI
23rd Jul 2026464 PMAQI
23rd Jul 2026405 PMAQI
23rd Jul 2026516 PMAQI
23rd Jul 2026337 PMAQI
23rd Jul 2026448 PMAQI
23rd Jul 2026479 PMAQI
23rd Jul 20265510 PMAQI
23rd Jul 20263611 PMAQI
24th Jul 20262812 AMAQI
24th Jul 2026381 AMAQI
24th Jul 2026222 AMAQI
24th Jul 2026273 AMAQI
24th Jul 2026274 AMAQI

29°C23/36°C

24th Jul 2026235 AMAQI
24th Jul 2026366 AMAQI
24th Jul 2026387 AMAQI
24th Jul 2026488 AMAQI
24th Jul 2026429 AMAQI
24th Jul 20263810 AMAQI
24th Jul 20264811 AMAQI
24th Jul 20265912 PMAQI
24th Jul 2026551 PMAQI
24th Jul 2026582 PMAQI
24th Jul 2026643 PMAQI
24th Jul 2026764 PMAQI
24th Jul 2026675 PMAQI
24th Jul 2026596 PMAQI
24th Jul 2026597 PMAQI
24th Jul 2026308 PMAQI
24th Jul 2026349 PMAQI
24th Jul 20262910 PMAQI
24th Jul 20262811 PMAQI
25th Jul 20262912 AMAQI
25th Jul 2026251 AMAQI
25th Jul 2026442 AMAQI
25th Jul 2026503 AMAQI
25th Jul 2026334 AMAQI

27°C21/33°C

25th Jul 2026385 AMAQI
25th Jul 2026246 AMAQI
25th Jul 2026277 AMAQI
25th Jul 2026478 AMAQI
25th Jul 2026389 AMAQI
25th Jul 20263610 AMAQI
25th Jul 20264911 AMAQI
25th Jul 20263812 PMAQI
25th Jul 2026291 PMAQI
25th Jul 2026332 PMAQI
25th Jul 2026463 PMAQI
25th Jul 2026244 PMAQI
25th Jul 2026405 PMAQI
25th Jul 2026336 PMAQI
25th Jul 2026277 PMAQI
25th Jul 2026428 PMAQI
25th Jul 2026429 PMAQI
25th Jul 20263810 PMAQI
25th Jul 20262711 PMAQI
26th Jul 20264812 AMAQI
26th Jul 2026451 AMAQI
26th Jul 2026462 AMAQI
26th Jul 2026513 AMAQI
26th Jul 2026534 AMAQI

28°C23/32°C

26th Jul 2026515 AMAQI
26th Jul 2026286 AMAQI
26th Jul 2026277 AMAQI
26th Jul 2026338 AMAQI
26th Jul 2026529 AMAQI
26th Jul 20266410 AMAQI
26th Jul 20266511 AMAQI
26th Jul 20266412 PMAQI
26th Jul 2026561 PMAQI
26th Jul 2026572 PMAQI
26th Jul 2026583 PMAQI
26th Jul 2026604 PMAQI
26th Jul 2026605 PMAQI
26th Jul 2026606 PMAQI
26th Jul 2026627 PMAQI
26th Jul 2026658 PMAQI
26th Jul 2026729 PMAQI
26th Jul 20267610 PMAQI
26th Jul 20267211 PMAQI
27th Jul 20264812 AMAQI
27th Jul 2026251 AMAQI
27th Jul 2026232 AMAQI
27th Jul 2026253 AMAQI
27th Jul 2026254 AMAQI

29°C24/34°C

27th Jul 2026255 AMAQI
27th Jul 2026386 AMAQI
27th Jul 2026527 AMAQI
27th Jul 2026318 AMAQI
27th Jul 2026259 AMAQI
27th Jul 20264610 AMAQI
27th Jul 20263311 AMAQI
27th Jul 20262912 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026332 PMAQI
27th Jul 2026293 PMAQI
27th Jul 2026234 PMAQI
27th Jul 2026255 PMAQI
27th Jul 2026426 PMAQI
27th Jul 2026327 PMAQI
27th Jul 2026388 PMAQI
27th Jul 2026369 PMAQI
27th Jul 20263310 PMAQI
27th Jul 20263811 PMAQI
28th Jul 20262612 AMAQI
28th Jul 2026241 AMAQI
28th Jul 2026322 AMAQI
28th Jul 2026383 AMAQI
28th Jul 2026444 AMAQI

26°C23/30°C

28th Jul 2026365 AMAQI
28th Jul 2026366 AMAQI
28th Jul 2026467 AMAQI
28th Jul 2026408 AMAQI
28th Jul 2026369 AMAQI
28th Jul 20263810 AMAQI
28th Jul 20265211 AMAQI
28th Jul 20266412 PMAQI
28th Jul 2026561 PMAQI
28th Jul 2026482 PMAQI
28th Jul 2026493 PMAQI
28th Jul 2026344 PMAQI
28th Jul 2026235 PMAQI
28th Jul 2026216 PMAQI
28th Jul 2026277 PMAQI
28th Jul 2026238 PMAQI
28th Jul 2026229 PMAQI
28th Jul 20262110 PMAQI
28th Jul 20262311 PMAQI
29th Jul 20262912 AMAQI
29th Jul 2026361 AMAQI
29th Jul 2026302 AMAQI
29th Jul 2026233 AMAQI
29th Jul 2026274 AMAQI

26°C24/28°C

29th Jul 2026275 AMAQI
29th Jul 2026276 AMAQI
29th Jul 2026387 AMAQI
29th Jul 2026448 AMAQI
29th Jul 2026469 AMAQI
29th Jul 20264810 AMAQI
29th Jul 20264911 AMAQI
29th Jul 20264612 PMAQI
29th Jul 2026541 PMAQI
29th Jul 2026522 PMAQI
29th Jul 2026513 PMAQI
29th Jul 2026584 PMAQI
29th Jul 2026495 PMAQI
29th Jul 2026256 PMAQI
29th Jul 2026237 PMAQI
29th Jul 2026328 PMAQI
29th Jul 2026369 PMAQI
29th Jul 20263110 PMAQI
29th Jul 20262711 PMAQI
30th Jul 20262712 AMAQI
30th Jul 2026321 AMAQI
30th Jul 2026362 AMAQI
30th Jul 2026363 AMAQI
30th Jul 2026334 AMAQI

27°C25/30°C

30th Jul 2026425 AMAQI
30th Jul 2026516 AMAQI
30th Jul 2026427 AMAQI
30th Jul 2026388 AMAQI
30th Jul 2026339 AMAQI
30th Jul 20264610 AMAQI
30th Jul 20262311 AMAQI
30th Jul 20262512 PMAQI
30th Jul 2026271 PMAQI
30th Jul 2026332 PMAQI
30th Jul 2026363 PMAQI
30th Jul 2026444 PMAQI
30th Jul 2026585 PMAQI
30th Jul 2026586 PMAQI
30th Jul 2026367 PMAQI
30th Jul 2026538 PMAQI
30th Jul 2026539 PMAQI
30th Jul 20263810 PMAQI
30th Jul 20264411 PMAQI
31st Jul 20264012 AMAQI
31st Jul 2026401 AMAQI
31st Jul 2026522 AMAQI
31st Jul 2026293 AMAQI
31st Jul 2026324 AMAQI

27°C25/30°C

31st Jul 2026445 AMAQI
31st Jul 2026386 AMAQI
31st Jul 2026537 AMAQI
31st Jul 2026508 AMAQI
31st Jul 2026549 AMAQI
31st Jul 20265110 AMAQI
31st Jul 20264011 AMAQI
31st Jul 20265112 PMAQI
31st Jul 2026631 PMAQI
31st Jul 2026672 PMAQI
31st Jul 2026673 PMAQI
31st Jul 2026674 PMAQI
31st Jul 2026735 PMAQI
31st Jul 2026546 PMAQI
31st Jul 2026487 PMAQI
31st Jul 2026498 PMAQI
31st Jul 2026349 PMAQI
31st Jul 20263610 PMAQI
31st Jul 20264411 PMAQI
1st Aug 20264012 AMAQI
1st Aug 2026461 AMAQI
1st Aug 2026542 AMAQI
1st Aug 2026503 AMAQI
1st Aug 2026584 AMAQI

28°C24/32°C

1st Aug 2026495 AMAQI
1st Aug 2026526 AMAQI
1st Aug 2026607 AMAQI
1st Aug 2026688 AMAQI
1st Aug 2026679 AMAQI
1st Aug 20266710 AMAQI
1st Aug 20266811 AMAQI
1st Aug 20266412 PMAQI
1st Aug 2026621 PMAQI
1st Aug 2026622 PMAQI
1st Aug 2026623 PMAQI
1st Aug 2026604 PMAQI
1st Aug 2026535 PMAQI
1st Aug 2026486 PMAQI
1st Aug 2026527 PMAQI
1st Aug 2026538 PMAQI
1st Aug 2026429 PMAQI
1st Aug 20264410 PMAQI
1st Aug 20265811 PMAQI
2nd Aug 20265912 AMAQI
2nd Aug 2026571 AMAQI
2nd Aug 2026542 AMAQI
2nd Aug 2026523 AMAQI
2nd Aug 2026544 AMAQI

29°C26/34°C

2nd Aug 2026625 AMAQI
2nd Aug 2026626 AMAQI
2nd Aug 2026627 AMAQI
2nd Aug 2026588 AMAQI
2nd Aug 2026529 AMAQI
2nd Aug 20265410 AMAQI
2nd Aug 20266011 AMAQI
2nd Aug 20265612 PMAQI
2nd Aug 2026651 PMAQI
2nd Aug 2026652 PMAQI
2nd Aug 2026643 PMAQI
2nd Aug 2026644 PMAQI
2nd Aug 2026585 PMAQI
2nd Aug 2026446 PMAQI
2nd Aug 2026217 PMAQI
2nd Aug 2026278 PMAQI
2nd Aug 2026449 PMAQI
2nd Aug 20265210 PMAQI
2nd Aug 20265311 PMAQI
3rd Aug 20264412 AMAQI
3rd Aug 2026361 AMAQI
3rd Aug 2026382 AMAQI
3rd Aug 2026443 AMAQI
3rd Aug 2026344 AMAQI

30°C26/36°C

3rd Aug 2026275 AMAQI
3rd Aug 2026236 AMAQI
3rd Aug 2026327 AMAQI
3rd Aug 2026368 AMAQI
3rd Aug 2026339 AMAQI
3rd Aug 20264210 AMAQI
3rd Aug 20265311 AMAQI
3rd Aug 20263812 PMAQI
3rd Aug 2026441 PMAQI
3rd Aug 2026462 PMAQI
3rd Aug 2026603 PMAQI
3rd Aug 2026554 PMAQI
3rd Aug 2026575 PMAQI
3rd Aug 2026496 PMAQI
3rd Aug 2026447 PMAQI
3rd Aug 2026368 PMAQI
3rd Aug 2026299 PMAQI
3rd Aug 20262710 PMAQI
3rd Aug 20262911 PMAQI
4th Aug 20262812 AMAQI
4th Aug 2026241 AMAQI
4th Aug 2026322 AMAQI
4th Aug 2026363 AMAQI
4th Aug 2026274 AMAQI

29°C24/35°C

4th Aug 2026235 AMAQI
4th Aug 2026276 AMAQI
4th Aug 2026277 AMAQI
4th Aug 2026368 AMAQI
4th Aug 2026239 AMAQI
4th Aug 20264810 AMAQI
4th Aug 20264011 AMAQI
4th Aug 20265212 PMAQI
4th Aug 2026561 PMAQI
4th Aug 2026422 PMAQI
4th Aug 2026483 PMAQI
4th Aug 2026624 PMAQI
4th Aug 2026665 PMAQI
4th Aug 2026596 PMAQI
4th Aug 2026567 PMAQI
4th Aug 2026578 PMAQI
4th Aug 2026609 PMAQI
4th Aug 20266410 PMAQI
4th Aug 20265911 PMAQI
5th Aug 20266412 AMAQI
5th Aug 2026651 AMAQI
5th Aug 2026582 AMAQI
5th Aug 2026553 AMAQI
5th Aug 2026494 AMAQI

27°C23/35°C

5th Aug 2026595 AMAQI
5th Aug 2026576 AMAQI
5th Aug 2026597 AMAQI
5th Aug 2026628 AMAQI
5th Aug 2026589 AMAQI
5th Aug 20266210 AMAQI
5th Aug 20265711 AMAQI
5th Aug 20265512 PMAQI
5th Aug 2026711 PMAQI
5th Aug 2026812 PMAQI
5th Aug 2026803 PMAQI
5th Aug 2026684 PMAQI
5th Aug 2026695 PMAQI
5th Aug 2026586 PMAQI
5th Aug 2026697 PMAQI
5th Aug 2026718 PMAQI
5th Aug 2026689 PMAQI
5th Aug 20268710 PMAQI
5th Aug 20268211 PMAQI
6th Aug 20266212 AMAQI
6th Aug 2026741 AMAQI
6th Aug 2026782 AMAQI
6th Aug 2026723 AMAQI
6th Aug 2026754 AMAQI

28°C24/33°C

6th Aug 2026765 AMAQI
6th Aug 2026926 AMAQI
6th Aug 2026627 AMAQI
6th Aug 2026288 AMAQI
6th Aug 2026349 AMAQI
6th Aug 20263810 AMAQI
6th Aug 20264411 AMAQI
6th Aug 20265412 PMAQI
6th Aug 2026621 PMAQI
6th Aug 2026762 PMAQI
6th Aug 2026783 PMAQI
6th Aug 2026784 PMAQI
6th Aug 2026595 PMAQI
6th Aug 2026736 PMAQI
6th Aug 2026797 PMAQI
6th Aug 2026858 PMAQI
6th Aug 2026699 PMAQI
6th Aug 20266410 PMAQI
6th Aug 20266711 PMAQI
7th Aug 20267612 AMAQI
7th Aug 2026781 AMAQI
7th Aug 2026782 AMAQI
7th Aug 2026973 AMAQI
7th Aug 2026954 AMAQI

29°C25/34°C

7th Aug 2026875 AMAQI
7th Aug 2026906 AMAQI
7th Aug 2026887 AMAQI
7th Aug 2026828 AMAQI
7th Aug 2026879 AMAQI
7th Aug 20268510 AMAQI
7th Aug 20268511 AMAQI
7th Aug 20268612 PMAQI
7th Aug 20261021 PMAQI
7th Aug 2026962 PMAQI
7th Aug 2026943 PMAQI
7th Aug 2026904 PMAQI
7th Aug 2026905 PMAQI
7th Aug 2026926 PMAQI
7th Aug 2026977 PMAQI
7th Aug 2026908 PMAQI
7th Aug 2026819 PMAQI
7th Aug 20268610 PMAQI
7th Aug 20268511 PMAQI
8th Aug 20268012 AMAQI
8th Aug 2026851 AMAQI
8th Aug 2026942 AMAQI
8th Aug 2026923 AMAQI
8th Aug 2026984 AMAQI

31°C27/37°C

8th Aug 20261025 AMAQI
8th Aug 2026946 AMAQI
8th Aug 2026887 AMAQI
8th Aug 2026948 AMAQI
8th Aug 2026789 AMAQI
8th Aug 20266610 AMAQI
8th Aug 20266711 AMAQI
8th Aug 20265812 PMAQI
8th Aug 2026621 PMAQI
8th Aug 2026582 PMAQI
8th Aug 2026623 PMAQI
8th Aug 2026674 PMAQI
8th Aug 2026595 PMAQI
8th Aug 2026576 PMAQI
8th Aug 2026637 PMAQI
8th Aug 2026528 PMAQI
8th Aug 2026489 PMAQI
8th Aug 20264810 PMAQI
8th Aug 20264511 PMAQI
9th Aug 20264212 AMAQI
9th Aug 2026461 AMAQI
9th Aug 2026512 AMAQI
9th Aug 2026443 AMAQI
9th Aug 2026464 AMAQI

28°C25/32°C

9th Aug 2026445 AMAQI
9th Aug 2026406 AMAQI
9th Aug 2026367 AMAQI
9th Aug 2026428 AMAQI
9th Aug 2026509 AMAQI
9th Aug 20263110 AMAQI
9th Aug 20263111 AMAQI
9th Aug 20263612 PMAQI
9th Aug 2026321 PMAQI
9th Aug 2026382 PMAQI
9th Aug 2026403 PMAQI
9th Aug 2026444 PMAQI
9th Aug 2026425 PMAQI
9th Aug 2026406 PMAQI
9th Aug 2026427 PMAQI
9th Aug 2026658 PMAQI
9th Aug 2026679 PMAQI
9th Aug 20265110 PMAQI
9th Aug 20265311 PMAQI
10th Aug 20265712 AMAQI
10th Aug 2026541 AMAQI
10th Aug 2026522 AMAQI
10th Aug 2026513 AMAQI
10th Aug 2026584 AMAQI

26°C21/32°C

10th Aug 2026585 AMAQI
10th Aug 2026626 AMAQI
10th Aug 2026527 AMAQI
10th Aug 2026468 AMAQI
10th Aug 2026449 AMAQI
10th Aug 20264210 AMAQI
10th Aug 20265211 AMAQI
10th Aug 20265312 PMAQI
10th Aug 2026531 PMAQI
10th Aug 2026542 PMAQI
10th Aug 2026623 PMAQI
10th Aug 2026634 PMAQI
10th Aug 2026625 PMAQI
10th Aug 2026686 PMAQI
10th Aug 2026607 PMAQI
10th Aug 2026608 PMAQI
10th Aug 2026469 PMAQI
10th Aug 20265410 PMAQI
10th Aug 20266011 PMAQI
11th Aug 20265712 AMAQI
11th Aug 2026551 AMAQI
11th Aug 2026602 AMAQI
11th Aug 2026593 AMAQI
11th Aug 2026624 AMAQI

27°C23/31°C

11th Aug 2026535 AMAQI
11th Aug 2026646 AMAQI
11th Aug 2026567 AMAQI
11th Aug 2026628 AMAQI
11th Aug 2026769 AMAQI
11th Aug 20265810 AMAQI
11th Aug 20266611 AMAQI
11th Aug 20263812 PMAQI
11th Aug 2026481 PMAQI
11th Aug 2026422 PMAQI
11th Aug 2026383 PMAQI
11th Aug 2026364 PMAQI
11th Aug 2026445 PMAQI
11th Aug 2026446 PMAQI
11th Aug 2026467 PMAQI
11th Aug 2026408 PMAQI
11th Aug 2026449 PMAQI
11th Aug 20264410 PMAQI
11th Aug 20263811 PMAQI
12th Aug 20263012 AMAQI
12th Aug 2026271 AMAQI
12th Aug 2026442 AMAQI
12th Aug 2026603 AMAQI
12th Aug 2026564 AMAQI

24°C23/26°C

12th Aug 2026695 AMAQI
12th Aug 2026596 AMAQI
12th Aug 2026547 AMAQI
12th Aug 2026538 AMAQI
12th Aug 2026409 AMAQI
12th Aug 20262910 AMAQI
12th Aug 20263111 AMAQI
12th Aug 20263412 PMAQI
12th Aug 2026401 PMAQI
12th Aug 2026232 PMAQI
12th Aug 2026523 PMAQI
12th Aug 2026254 PMAQI
12th Aug 2026425 PMAQI
12th Aug 2026336 PMAQI
12th Aug 2026257 PMAQI
12th Aug 2026278 PMAQI
12th Aug 2026239 PMAQI
12th Aug 20263210 PMAQI
12th Aug 20263611 PMAQI
13th Aug 20262512 AMAQI
13th Aug 2026231 AMAQI
13th Aug 2026212 AMAQI
13th Aug 2026213 AMAQI
13th Aug 2026254 AMAQI

22°C21/23°C

13th Aug 2026385 AMAQI
13th Aug 2026316 AMAQI
13th Aug 2026217 AMAQI
13th Aug 2026218 AMAQI
13th Aug 2026239 AMAQI
13th Aug 20262710 AMAQI
13th Aug 20263111 AMAQI
13th Aug 20262112 PMAQI
13th Aug 2026291 PMAQI
13th Aug 2026332 PMAQI
13th Aug 2026313 PMAQI
13th Aug 2026404 PMAQI
13th Aug 2026255 PMAQI
13th Aug 2026216 PMAQI
13th Aug 2026407 PMAQI
13th Aug 2026318 PMAQI
13th Aug 2026369 PMAQI
13th Aug 20264910 PMAQI
13th Aug 20264011 PMAQI
14th Aug 20264812 AMAQI
14th Aug 2026601 AMAQI
14th Aug 2026502 AMAQI
14th Aug 2026423 AMAQI
14th Aug 2026504 AMAQI

22°C21/24°C

14th Aug 2026625 AMAQI
14th Aug 2026726 AMAQI
14th Aug 2026687 AMAQI
14th Aug 2026568 AMAQI
14th Aug 2026569 AMAQI
14th Aug 20266210 AMAQI
14th Aug 20265811 AMAQI
14th Aug 20266512 PMAQI
14th Aug 2026731 PMAQI
14th Aug 2026582 PMAQI
14th Aug 2026543 PMAQI
14th Aug 2026514 PMAQI
14th Aug 2026515 PMAQI
14th Aug 2026486 PMAQI
14th Aug 2026537 PMAQI
14th Aug 2026558 PMAQI
14th Aug 2026509 PMAQI
14th Aug 20265210 PMAQI
14th Aug 20265411 PMAQI
15th Aug 20266712 AMAQI
15th Aug 2026681 AMAQI
15th Aug 2026642 AMAQI
15th Aug 2026643 AMAQI
15th Aug 2026644 AMAQI

25°C22/28°C

15th Aug 2026605 AMAQI
15th Aug 2026726 AMAQI
15th Aug 2026827 AMAQI
15th Aug 2026728 AMAQI
15th Aug 2026789 AMAQI
15th Aug 20267210 AMAQI
15th Aug 20266511 AMAQI
15th Aug 20266812 PMAQI
15th Aug 2026681 PMAQI
15th Aug 2026582 PMAQI
15th Aug 2026553 PMAQI
15th Aug 2026544 PMAQI
15th Aug 2026405 PMAQI
15th Aug 2026536 PMAQI
15th Aug 2026627 PMAQI
15th Aug 2026528 PMAQI
15th Aug 2026639 PMAQI
15th Aug 20266510 PMAQI
15th Aug 20266711 PMAQI
16th Aug 20267112 AMAQI
16th Aug 2026661 AMAQI
16th Aug 2026662 AMAQI
16th Aug 2026743 AMAQI
16th Aug 2026884 AMAQI

26°C22/31°C

16th Aug 20261025 AMAQI
16th Aug 2026966 AMAQI
16th Aug 2026937 AMAQI
16th Aug 20261008 AMAQI
16th Aug 2026869 AMAQI
16th Aug 20268810 AMAQI
16th Aug 20268811 AMAQI
16th Aug 20269512 PMAQI
16th Aug 20261081 PMAQI
16th Aug 2026922 PMAQI
16th Aug 2026893 PMAQI
16th Aug 2026814 PMAQI
16th Aug 2026875 PMAQI
16th Aug 2026826 PMAQI
16th Aug 2026977 PMAQI
16th Aug 2026718 PMAQI
16th Aug 2026609 PMAQI
16th Aug 20266310 PMAQI
16th Aug 20266511 PMAQI
17th Aug 20267212 AMAQI
17th Aug 2026581 AMAQI
17th Aug 2026662 AMAQI
17th Aug 2026713 AMAQI
17th Aug 2026724 AMAQI

27°C23/32°C

17th Aug 2026695 AMAQI
17th Aug 2026726 AMAQI
17th Aug 2026677 AMAQI
17th Aug 2026588 AMAQI
17th Aug 2026589 AMAQI
17th Aug 20266810 AMAQI
17th Aug 20266011 AMAQI
17th Aug 20267612 PMAQI
17th Aug 2026801 PMAQI
17th Aug 2026842 PMAQI
17th Aug 2026813 PMAQI
17th Aug 2026834 PMAQI
17th Aug 2026875 PMAQI
17th Aug 2026866 PMAQI
17th Aug 2026867 PMAQI
17th Aug 2026858 PMAQI
17th Aug 2026789 PMAQI
17th Aug 20269010 PMAQI
17th Aug 20267811 PMAQI
18th Aug 20268212 AMAQI
18th Aug 2026821 AMAQI
18th Aug 2026872 AMAQI
18th Aug 2026853 AMAQI
18th Aug 2026814 AMAQI

14°C13/16°C

18th Aug 2026645 AMAQI
5 AM
18th Aug 2026726 AMAQI
18th Aug 2026887 AMAQI
18th Aug 2026908 AMAQI
18th Aug 2026869 AMAQI
18th Aug 20267810 AMAQI
18th Aug 20267311 AMAQI
18th Aug 20267612 PMAQI
12 PM
18th Aug 2026731 PMAQI
18th Aug 2026852 PMAQI
18th Aug 2026863 PMAQI
18th Aug 2026934 PMAQI
18th Aug 2026945 PMAQI
18th Aug 2026626 PMAQI
18th Aug 2026687 PMAQI
7 PM
18th Aug 2026558 PMAQI
18th Aug 2026589 PMAQI
18th Aug 20263810 PMAQI
18th Aug 20264211 PMAQI
12 AM
4 AM

26°C24/31°C

Day time
Avg. Highest Time
1 PM - 5 PM

59AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
9 AM - 12 PM

55AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 5 PM (Avg. 59), while the lowest AQI was between 9 AM to 12 PM (Avg. 55).
Night time
Avg. Highest Time
2 AM - 4 AM

54AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
12 AM - 1 AM

53AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 4 AM (Avg. 54), while the lowest AQI was between 12 AM to 1 AM (Avg. 53).

2026 Days Vs Air Quality

Yanjin Jiujiu, Chengjiao, Henan, China

2026

12%

27

49%

113

23%

54

16%

36

Total number of days with different AQI categories in last 230 days in 2026 (135 days remaining)

Good
27 Days
Moderate
113 Days
Poor
54 Days
Unhealthy
36 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 12%

Health Risk Level:

Extreme

In 2026, 12% of 230 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

Yanjin Jiujiu, Chengjiao, 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
114AQI (US)
2nd January 2026
167AQI (US)
3rd January 2026
173AQI (US)
4th January 2026
174AQI (US)
5th January 2026
190AQI (US)
6th January 2026
93AQI (US)
7th January 2026
78AQI (US)
8th January 2026
116AQI (US)
9th January 2026
85AQI (US)
10th January 2026
72AQI (US)
11th January 2026
71AQI (US)
12th January 2026
98AQI (US)
13th January 2026
116AQI (US)
14th January 2026
162AQI (US)
15th January 2026
129AQI (US)
16th January 2026
154AQI (US)
17th January 2026
136AQI (US)
18th January 2026
132AQI (US)
19th January 2026
105AQI (US)
20th January 2026
110AQI (US)
21st January 2026
148AQI (US)
22nd January 2026
164AQI (US)
23rd January 2026
156AQI (US)
24th January 2026
166AQI (US)
25th January 2026
181AQI (US)
26th January 2026
178AQI (US)
27th January 2026
195AQI (US)
28th January 2026
181AQI (US)
29th January 2026
182AQI (US)
30th January 2026
160AQI (US)
31st January 2026
177AQI (US)
1st February 2026
166AQI (US)
2nd February 2026
160AQI (US)
3rd February 2026
166AQI (US)
4th February 2026
161AQI (US)
5th February 2026
147AQI (US)
6th February 2026
88AQI (US)
7th February 2026
101AQI (US)
8th February 2026
153AQI (US)
9th February 2026
136AQI (US)
10th February 2026
120AQI (US)
11th February 2026
116AQI (US)
12th February 2026
152AQI (US)
13th February 2026
163AQI (US)
14th February 2026
156AQI (US)
15th February 2026
77AQI (US)
16th February 2026
57AQI (US)
17th February 2026
138AQI (US)
18th February 2026
127AQI (US)
19th February 2026
106AQI (US)
20th February 2026
80AQI (US)
21st February 2026
103AQI (US)
22nd February 2026
88AQI (US)
23rd February 2026
106AQI (US)
24th February 2026
102AQI (US)
25th February 2026
73AQI (US)
26th February 2026
83AQI (US)
27th February 2026
147AQI (US)
28th February 2026
133AQI (US)
1st March 2026
102AQI (US)
2nd March 2026
132AQI (US)
3rd March 2026
165AQI (US)
4th March 2026
165AQI (US)
5th March 2026
155AQI (US)
6th March 2026
134AQI (US)
7th March 2026
115AQI (US)
8th March 2026
158AQI (US)
9th March 2026
158AQI (US)
10th March 2026
164AQI (US)
11th March 2026
172AQI (US)
12th March 2026
169AQI (US)
13th March 2026
170AQI (US)
14th March 2026
147AQI (US)
15th March 2026
93AQI (US)
16th March 2026
115AQI (US)
17th March 2026
152AQI (US)
18th March 2026
102AQI (US)
19th March 2026
109AQI (US)
20th March 2026
156AQI (US)
21st March 2026
143AQI (US)
22nd March 2026
116AQI (US)
23rd March 2026
122AQI (US)
24th March 2026
150AQI (US)
25th March 2026
139AQI (US)
26th March 2026
135AQI (US)
27th March 2026
156AQI (US)
28th March 2026
135AQI (US)
29th March 2026
78AQI (US)
30th March 2026
117AQI (US)
31st March 2026
126AQI (US)
1st April 2026
117AQI (US)
2nd April 2026
128AQI (US)
3rd April 2026
74AQI (US)
4th April 2026
55AQI (US)
5th April 2026
86AQI (US)
6th April 2026
92AQI (US)
7th April 2026
88AQI (US)
8th April 2026
91AQI (US)
9th April 2026
84AQI (US)
10th April 2026
116AQI (US)
11th April 2026
106AQI (US)
12th April 2026
109AQI (US)
13th April 2026
67AQI (US)
14th April 2026
80AQI (US)
15th April 2026
72AQI (US)
16th April 2026
126AQI (US)
17th April 2026
123AQI (US)
18th April 2026
111AQI (US)
19th April 2026
88AQI (US)
20th April 2026
87AQI (US)
21st April 2026
51AQI (US)
22nd April 2026
65AQI (US)
23rd April 2026
84AQI (US)
24th April 2026
70AQI (US)
25th April 2026
65AQI (US)
26th April 2026
97AQI (US)
27th April 2026
115AQI (US)
28th April 2026
76AQI (US)
29th April 2026
52AQI (US)
30th April 2026
78AQI (US)
1st May 2026
87AQI (US)
2nd May 2026
58AQI (US)
3rd May 2026
43AQI (US)
4th May 2026
54AQI (US)
5th May 2026
79AQI (US)
6th May 2026
86AQI (US)
7th May 2026
58AQI (US)
8th May 2026
61AQI (US)
9th May 2026
70AQI (US)
10th May 2026
85AQI (US)
11th May 2026
98AQI (US)
12th May 2026
119AQI (US)
13th May 2026
132AQI (US)
14th May 2026
114AQI (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
63AQI (US)
21st May 2026
69AQI (US)
22nd May 2026
83AQI (US)
23rd May 2026
72AQI (US)
24th May 2026
71AQI (US)
25th May 2026
66AQI (US)
26th May 2026
46AQI (US)
27th May 2026
65AQI (US)
28th May 2026
70AQI (US)
29th May 2026
52AQI (US)
30th May 2026
74AQI (US)
31st May 2026
69AQI (US)
1st June 2026
100AQI (US)
2nd June 2026
124AQI (US)
3rd June 2026
122AQI (US)
4th June 2026
56AQI (US)
5th June 2026
105AQI (US)
6th June 2026
86AQI (US)
7th June 2026
39AQI (US)
8th June 2026
57AQI (US)
9th June 2026
58AQI (US)
10th June 2026
52AQI (US)
11th June 2026
63AQI (US)
12th June 2026
95AQI (US)
13th June 2026
59AQI (US)
14th June 2026
66AQI (US)
15th June 2026
74AQI (US)
16th June 2026
61AQI (US)
17th June 2026
64AQI (US)
18th June 2026
82AQI (US)
19th June 2026
46AQI (US)
20th June 2026
64AQI (US)
21st June 2026
56AQI (US)
22nd June 2026
48AQI (US)
23rd June 2026
70AQI (US)
24th June 2026
49AQI (US)
25th June 2026
68AQI (US)
26th June 2026
45AQI (US)
27th June 2026
90AQI (US)
28th June 2026
69AQI (US)
29th June 2026
85AQI (US)
30th June 2026
88AQI (US)
1st July 2026
61AQI (US)
2nd July 2026
89AQI (US)
3rd July 2026
45AQI (US)
4th July 2026
48AQI (US)
5th July 2026
55AQI (US)
6th July 2026
37AQI (US)
7th July 2026
45AQI (US)
8th July 2026
62AQI (US)
9th July 2026
60AQI (US)
10th July 2026
45AQI (US)
11th July 2026
57AQI (US)
12th July 2026
59AQI (US)
13th July 2026
64AQI (US)
14th July 2026
67AQI (US)
15th July 2026
50AQI (US)
16th July 2026
71AQI (US)
17th July 2026
45AQI (US)
18th July 2026
78AQI (US)
19th July 2026
88AQI (US)
20th July 2026
95AQI (US)
21st July 2026
81AQI (US)
22nd July 2026
67AQI (US)
23rd July 2026
37AQI (US)
24th July 2026
43AQI (US)
25th July 2026
36AQI (US)
26th July 2026
55AQI (US)
27th July 2026
32AQI (US)
28th July 2026
36AQI (US)
29th July 2026
38AQI (US)
30th July 2026
39AQI (US)
31st July 2026
49AQI (US)
1st August 2026
56AQI (US)
2nd August 2026
54AQI (US)
3rd August 2026
40AQI (US)
4th August 2026
44AQI (US)
5th August 2026
65AQI (US)
6th August 2026
66AQI (US)
7th August 2026
88AQI (US)
8th August 2026
72AQI (US)
9th August 2026
44AQI (US)
10th August 2026
55AQI (US)
11th August 2026
51AQI (US)
12th August 2026
39AQI (US)
13th August 2026
29AQI (US)
14th August 2026
56AQI (US)
15th August 2026
64AQI (US)
16th August 2026
84AQI (US)
17th August 2026
74AQI (US)
18th August 2026
75AQI (US)
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

141AQI (US)

122AQI (US)

137AQI (US)

88AQI (US)

74AQI (US)

71AQI (US)

56AQI (US)

59AQI (US)

No. of days

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

202695AQI (US)

6
9
16
7
13
8
2
17
12
21
9
2
26
3
5
22
3
15
16
5
13
27
113
54
36

Highest AQI (US) recorded in

January

141AQI (US)

Lowest AQI (US) recorded in

July

56AQI (US)

2025106AQI (US)

8
11
12
4
20
4
12
10
7
1
1
11
19
15
15
1
27
3
31
31
1
29
17
7
6
1
5
15
10
4
9
15
3
1
194
109
55
5
1

Highest AQI (US) recorded in

December

154AQI (US)

Lowest AQI (US) recorded in

August

61AQI (US)

2024100AQI (US)

7
8
1
1
9
2
30
3
28
3
28
3
18
5
3
6
13
11
1
10
11
8
1
6
18
7
10
135
56
37
3

Highest AQI (US) recorded in

January

151AQI (US)

Lowest AQI (US) recorded in

August

64AQI (US)

2023140AQI (US)

3
19
12
22
12

Highest AQI (US) recorded in

December

141AQI (US)

Lowest AQI (US) recorded in

November

122AQI (US)

2021141AQI (US)

4
3
7
1
1
3
2
5
6
9
1

Highest AQI (US) recorded in

January

147AQI (US)

Lowest AQI (US) recorded in

February

125AQI (US)

2020113AQI (US)

5
5
3
25
3
1
16
6
2
8
15
8
6
14
9
1
1
9
4
60
44
28
1

Highest AQI (US) recorded in

December

168AQI (US)

Lowest AQI (US) recorded in

August

77AQI (US)

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2021(Avg.)
141AQI (US)
Least Polluted Year Recorded
2026(Avg.)
95AQI (US)

Yanjin Jiujiu's annual 2026 AQI (US) (95) shows an average percentage change of -19.2% (improved AQI (US)) compared to previous years: 2020 (113), 2021 (141), 2023 (140), 2024 (100), 2025 (106).