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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Huaian Environmental Protection Bureau, Zhangjiakou, Hebei, 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+

July Air Quality Analysis

Huaian Environmental Protection Bureau, Zhangjiakou, Hebei, China

2022
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
22nd Jul 2022
89AQI
Lowest AQI recorded on
9th Jul 2022
33AQI

Same Day Analysis (13th July):
On this day, AQI across the 4 years varied significantly: 2026 ranks 2nd highest AQI at 62 of Moderate air quality, showing improvement over 2024 on the same day.

Day & Night AQI Trend: 12th Jul - 13th Jul 2026

Huaian Environmental Protection Bureau, Zhangjiakou, Hebei, China

AQI
Day
Night
.

4 AM12th Jul 2026

7 PM

3 AM13th Jul 2026

Day time
Avg. Highest Time
12PM12th Jul

80AQI

Avg. Lowest Time
9AM12th Jul

50AQI

Night time
Avg. Highest Time
1AM13th Jul

97AQI

Avg. Lowest Time
4AM12th Jul

55AQI

In the last 24 hours,

Huaian Environmental Protection Bureau's AQI reached its highest point of 97 at 1 AM during the Night, while the lowest point, 50, was recorded at 9 AM during the Day between 12th Jul and 13th Jul 2026.

Day & Night AQI Trend : Jun - Jul 2026

Huaian Environmental Protection Bureau, Zhangjiakou, Hebei, China

JunJul
14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th
Day
Night
14th Jun 2026424 AMAQI
14th Jun 2026565 AMAQI
14th Jun 2026366 AMAQI
14th Jun 2026557 AMAQI
14th Jun 2026518 AMAQI
14th Jun 2026409 AMAQI
14th Jun 20264610 AMAQI
14th Jun 20266911 AMAQI
14th Jun 20266812 PMAQI
14th Jun 2026621 PMAQI
14th Jun 2026582 PMAQI
14th Jun 2026593 PMAQI
14th Jun 2026564 PMAQI
14th Jun 2026535 PMAQI
14th Jun 2026366 PMAQI
14th Jun 2026457 PMAQI
14th Jun 2026478 PMAQI
14th Jun 2026609 PMAQI
14th Jun 20269810 PMAQI
14th Jun 20268211 PMAQI
15th Jun 20268212 AMAQI
15th Jun 2026831 AMAQI
15th Jun 2026582 AMAQI
15th Jun 2026673 AMAQI

21°C13/29°C

15th Jun 2026764 AMAQI
15th Jun 2026825 AMAQI
15th Jun 2026866 AMAQI
15th Jun 2026857 AMAQI
15th Jun 2026908 AMAQI
15th Jun 20261189 AMAQI
15th Jun 202610210 AMAQI
15th Jun 202610111 AMAQI
15th Jun 202611512 PMAQI
15th Jun 20261121 PMAQI
15th Jun 20261042 PMAQI
15th Jun 2026953 PMAQI
15th Jun 2026854 PMAQI
15th Jun 2026875 PMAQI
15th Jun 2026986 PMAQI
15th Jun 20261347 PMAQI
15th Jun 20261298 PMAQI
15th Jun 20261389 PMAQI
15th Jun 202611210 PMAQI
15th Jun 202612111 PMAQI
16th Jun 202611512 AMAQI
16th Jun 2026881 AMAQI
16th Jun 2026712 AMAQI
16th Jun 2026733 AMAQI

21°C18/28°C

16th Jun 2026634 AMAQI
16th Jun 2026745 AMAQI
16th Jun 2026826 AMAQI
16th Jun 2026867 AMAQI
16th Jun 2026868 AMAQI
16th Jun 2026809 AMAQI
16th Jun 20268210 AMAQI
16th Jun 20267011 AMAQI
16th Jun 20266412 PMAQI
16th Jun 2026711 PMAQI
16th Jun 2026622 PMAQI
16th Jun 2026593 PMAQI
16th Jun 2026834 PMAQI
16th Jun 2026695 PMAQI
16th Jun 2026696 PMAQI
16th Jun 2026697 PMAQI
16th Jun 2026688 PMAQI
16th Jun 2026699 PMAQI
16th Jun 20267110 PMAQI
16th Jun 20268811 PMAQI
17th Jun 20268512 AMAQI
17th Jun 2026801 AMAQI
17th Jun 2026682 AMAQI
17th Jun 2026573 AMAQI

19°C17/25°C

17th Jun 2026624 AMAQI
17th Jun 2026625 AMAQI
17th Jun 2026576 AMAQI
17th Jun 2026537 AMAQI
17th Jun 2026518 AMAQI
17th Jun 2026579 AMAQI
17th Jun 20265210 AMAQI
17th Jun 20265411 AMAQI
17th Jun 20265812 PMAQI
17th Jun 2026551 PMAQI
17th Jun 2026362 PMAQI
17th Jun 2026313 PMAQI
17th Jun 2026364 PMAQI
17th Jun 2026385 PMAQI
17th Jun 2026446 PMAQI
17th Jun 2026297 PMAQI
17th Jun 2026368 PMAQI
17th Jun 2026529 PMAQI
17th Jun 20265110 PMAQI
17th Jun 20265211 PMAQI
18th Jun 20266812 AMAQI
18th Jun 2026581 AMAQI
18th Jun 2026532 AMAQI
18th Jun 2026523 AMAQI

22°C16/29°C

18th Jun 2026524 AMAQI
18th Jun 2026555 AMAQI
18th Jun 2026536 AMAQI
18th Jun 2026577 AMAQI
18th Jun 2026498 AMAQI
18th Jun 2026299 AMAQI
18th Jun 20264810 AMAQI
18th Jun 20265411 AMAQI
18th Jun 20266612 PMAQI
18th Jun 2026851 PMAQI
18th Jun 2026842 PMAQI
18th Jun 2026893 PMAQI
18th Jun 2026864 PMAQI
18th Jun 2026955 PMAQI
18th Jun 2026976 PMAQI
18th Jun 2026807 PMAQI
18th Jun 2026808 PMAQI
18th Jun 20261259 PMAQI
18th Jun 202612610 PMAQI
18th Jun 202613411 PMAQI
19th Jun 202612012 AMAQI
19th Jun 20261361 AMAQI
19th Jun 20261382 AMAQI
19th Jun 20261363 AMAQI

23°C18/28°C

19th Jun 20261404 AMAQI
19th Jun 20261385 AMAQI
19th Jun 20261286 AMAQI
19th Jun 20261287 AMAQI
19th Jun 20261128 AMAQI
19th Jun 20261209 AMAQI
19th Jun 202613210 AMAQI
19th Jun 202614311 AMAQI
19th Jun 202613412 PMAQI
19th Jun 20261221 PMAQI
19th Jun 20261152 PMAQI
19th Jun 20261163 PMAQI
19th Jun 20261184 PMAQI
19th Jun 2026955 PMAQI
19th Jun 2026786 PMAQI
19th Jun 2026587 PMAQI
19th Jun 2026648 PMAQI
19th Jun 2026589 PMAQI
19th Jun 20266710 PMAQI
19th Jun 20265611 PMAQI
20th Jun 20265212 AMAQI
20th Jun 2026641 AMAQI
20th Jun 2026692 AMAQI
20th Jun 2026643 AMAQI

20°C19/23°C

20th Jun 2026644 AMAQI
20th Jun 2026605 AMAQI
20th Jun 2026496 AMAQI
20th Jun 2026337 AMAQI
20th Jun 2026238 AMAQI
20th Jun 2026259 AMAQI
20th Jun 20263610 AMAQI
20th Jun 20263611 AMAQI
20th Jun 20264412 PMAQI
20th Jun 2026211 PMAQI
20th Jun 2026232 PMAQI
20th Jun 2026253 PMAQI
20th Jun 2026184 PMAQI
20th Jun 2026145 PMAQI
20th Jun 2026216 PMAQI
20th Jun 2026237 PMAQI
20th Jun 2026318 PMAQI
20th Jun 2026299 PMAQI
20th Jun 20262910 PMAQI
20th Jun 20263111 PMAQI
21st Jun 20263412 AMAQI
21st Jun 2026341 AMAQI
21st Jun 2026292 AMAQI
21st Jun 2026273 AMAQI

17°C13/22°C

21st Jun 2026385 AMAQI
21st Jun 2026386 AMAQI
21st Jun 2026277 AMAQI
21st Jun 2026278 AMAQI
21st Jun 2026329 AMAQI
21st Jun 20264010 AMAQI
21st Jun 20262211 AMAQI
21st Jun 20262512 PMAQI
21st Jun 2026401 PMAQI
21st Jun 2026362 PMAQI
21st Jun 2026333 PMAQI
21st Jun 2026334 PMAQI
21st Jun 2026305 PMAQI
21st Jun 2026186 PMAQI
21st Jun 2026277 PMAQI
21st Jun 2026428 PMAQI
21st Jun 2026499 PMAQI
21st Jun 20266010 PMAQI
21st Jun 20265811 PMAQI
22nd Jun 20265412 AMAQI
22nd Jun 2026461 AMAQI
22nd Jun 2026382 AMAQI
22nd Jun 2026503 AMAQI

19°C11/27°C

22nd Jun 2026564 AMAQI
22nd Jun 2026485 AMAQI
22nd Jun 2026606 AMAQI
22nd Jun 2026607 AMAQI
22nd Jun 2026628 AMAQI
22nd Jun 2026709 AMAQI
22nd Jun 20267210 AMAQI
22nd Jun 20266311 AMAQI
22nd Jun 20265612 PMAQI
22nd Jun 2026561 PMAQI
22nd Jun 2026682 PMAQI
22nd Jun 2026723 PMAQI
22nd Jun 2026604 PMAQI
22nd Jun 2026565 PMAQI
22nd Jun 2026826 PMAQI
22nd Jun 2026687 PMAQI
22nd Jun 2026608 PMAQI
22nd Jun 2026689 PMAQI
22nd Jun 20266410 PMAQI
22nd Jun 20265411 PMAQI
23rd Jun 20264612 AMAQI
23rd Jun 2026491 AMAQI
23rd Jun 2026422 AMAQI
23rd Jun 2026443 AMAQI

18°C14/26°C

23rd Jun 2026344 AMAQI
23rd Jun 2026385 AMAQI
23rd Jun 2026586 AMAQI
23rd Jun 2026647 AMAQI
23rd Jun 2026588 AMAQI
23rd Jun 2026609 AMAQI
23rd Jun 20266710 AMAQI
23rd Jun 20267011 AMAQI
23rd Jun 20266612 PMAQI
23rd Jun 2026661 PMAQI
23rd Jun 2026572 PMAQI
23rd Jun 2026643 PMAQI
23rd Jun 2026624 PMAQI
23rd Jun 2026625 PMAQI
23rd Jun 2026646 PMAQI
23rd Jun 2026567 PMAQI
23rd Jun 2026628 PMAQI
23rd Jun 2026829 PMAQI
23rd Jun 20268210 PMAQI
23rd Jun 20268511 PMAQI
24th Jun 20267812 AMAQI
24th Jun 2026661 AMAQI
24th Jun 2026562 AMAQI
24th Jun 2026503 AMAQI

19°C13/27°C

24th Jun 2026444 AMAQI
24th Jun 2026315 AMAQI
24th Jun 2026366 AMAQI
24th Jun 2026277 AMAQI
24th Jun 2026218 AMAQI
24th Jun 2026259 AMAQI
24th Jun 20262910 AMAQI
24th Jun 20262311 AMAQI
24th Jun 20261912 PMAQI
24th Jun 2026231 PMAQI
24th Jun 2026332 PMAQI
24th Jun 2026273 PMAQI
24th Jun 2026174 PMAQI
24th Jun 2026125 PMAQI
24th Jun 2026186 PMAQI
24th Jun 2026197 PMAQI
24th Jun 2026248 PMAQI
24th Jun 2026259 PMAQI
24th Jun 20262710 PMAQI
24th Jun 20262711 PMAQI
25th Jun 20262712 AMAQI
25th Jun 2026341 AMAQI
25th Jun 2026232 AMAQI
25th Jun 2026163 AMAQI

20°C14/27°C

25th Jun 2026234 AMAQI
25th Jun 2026235 AMAQI
25th Jun 2026186 AMAQI
25th Jun 2026217 AMAQI
25th Jun 2026238 AMAQI
25th Jun 2026259 AMAQI
25th Jun 20262510 AMAQI
25th Jun 20262711 AMAQI
25th Jun 20262912 PMAQI
25th Jun 2026291 PMAQI
25th Jun 2026252 PMAQI
25th Jun 2026273 PMAQI
25th Jun 2026254 PMAQI
25th Jun 2026255 PMAQI
25th Jun 2026166 PMAQI
25th Jun 202687 PMAQI
25th Jun 202688 PMAQI
25th Jun 2026129 PMAQI
25th Jun 20262310 PMAQI
25th Jun 20264011 PMAQI
26th Jun 20264812 AMAQI
26th Jun 2026481 AMAQI
26th Jun 2026482 AMAQI
26th Jun 2026363 AMAQI

21°C14/28°C

26th Jun 2026254 AMAQI
26th Jun 2026255 AMAQI
26th Jun 2026276 AMAQI
26th Jun 2026257 AMAQI
26th Jun 2026238 AMAQI
26th Jun 2026319 AMAQI
26th Jun 20263110 AMAQI
26th Jun 20263111 AMAQI
26th Jun 20262312 PMAQI
26th Jun 2026211 PMAQI
26th Jun 2026182 PMAQI
26th Jun 2026243 PMAQI
26th Jun 2026514 PMAQI
26th Jun 2026675 PMAQI
26th Jun 2026656 PMAQI
26th Jun 2026787 PMAQI
26th Jun 2026468 PMAQI
26th Jun 2026609 PMAQI
26th Jun 20266210 PMAQI
26th Jun 20267111 PMAQI
27th Jun 20267412 AMAQI
27th Jun 2026601 AMAQI
27th Jun 2026672 AMAQI
27th Jun 2026653 AMAQI

23°C17/29°C

27th Jun 2026464 AMAQI
27th Jun 2026365 AMAQI
27th Jun 2026426 AMAQI
27th Jun 2026517 AMAQI
27th Jun 2026548 AMAQI
27th Jun 2026649 AMAQI
27th Jun 20266610 AMAQI
27th Jun 20265211 AMAQI
27th Jun 20266412 PMAQI
27th Jun 2026711 PMAQI
27th Jun 2026742 PMAQI
27th Jun 2026593 PMAQI
27th Jun 2026504 PMAQI
27th Jun 2026565 PMAQI
27th Jun 2026676 PMAQI
27th Jun 2026677 PMAQI
27th Jun 2026538 PMAQI
27th Jun 2026569 PMAQI
27th Jun 20266610 PMAQI
27th Jun 20266411 PMAQI
28th Jun 20265712 AMAQI
28th Jun 2026601 AMAQI
28th Jun 2026582 AMAQI
28th Jun 2026593 AMAQI

21°C18/29°C

28th Jun 2026574 AMAQI
28th Jun 2026535 AMAQI
28th Jun 2026406 AMAQI
28th Jun 2026447 AMAQI
28th Jun 2026608 AMAQI
28th Jun 2026479 AMAQI
28th Jun 20265310 AMAQI
28th Jun 20265811 AMAQI
28th Jun 20265912 PMAQI
28th Jun 2026661 PMAQI
28th Jun 2026642 PMAQI
28th Jun 2026663 PMAQI
28th Jun 2026694 PMAQI
28th Jun 2026805 PMAQI
28th Jun 2026946 PMAQI
28th Jun 2026767 PMAQI
28th Jun 2026768 PMAQI
28th Jun 2026789 PMAQI
28th Jun 20269410 PMAQI
28th Jun 202610211 PMAQI
29th Jun 20269212 AMAQI
29th Jun 2026901 AMAQI
29th Jun 20261092 AMAQI
29th Jun 20261143 AMAQI

22°C17/29°C

29th Jun 20261084 AMAQI
29th Jun 20261125 AMAQI
29th Jun 20261166 AMAQI
29th Jun 2026587 AMAQI
29th Jun 20261458 AMAQI
29th Jun 20261549 AMAQI
29th Jun 20265210 AMAQI
29th Jun 202610011 AMAQI
29th Jun 20266412 PMAQI
29th Jun 2026531 PMAQI
29th Jun 2026542 PMAQI
29th Jun 2026423 PMAQI
29th Jun 2026504 PMAQI
29th Jun 2026585 PMAQI
29th Jun 2026586 PMAQI
29th Jun 2026877 PMAQI
29th Jun 2026838 PMAQI
29th Jun 20261089 PMAQI
29th Jun 20269010 PMAQI
29th Jun 20269711 PMAQI
30th Jun 20268312 AMAQI
30th Jun 2026711 AMAQI
30th Jun 2026512 AMAQI
30th Jun 2026503 AMAQI

21°C17/29°C

30th Jun 2026424 AMAQI
30th Jun 2026485 AMAQI
30th Jun 2026526 AMAQI
30th Jun 2026557 AMAQI
30th Jun 2026528 AMAQI
30th Jun 2026469 AMAQI
30th Jun 20265510 AMAQI
30th Jun 20267011 AMAQI
30th Jun 20265812 PMAQI
30th Jun 2026581 PMAQI
30th Jun 2026542 PMAQI
30th Jun 2026523 PMAQI
30th Jun 2026574 PMAQI
30th Jun 2026585 PMAQI
30th Jun 2026546 PMAQI
30th Jun 2026587 PMAQI
30th Jun 2026588 PMAQI
30th Jun 2026589 PMAQI
30th Jun 20264910 PMAQI
30th Jun 20266011 PMAQI
1st Jul 20267412 AMAQI
1st Jul 2026531 AMAQI
1st Jul 2026622 AMAQI
1st Jul 2026623 AMAQI

21°C16/27°C

1st Jul 2026484 AMAQI
1st Jul 2026525 AMAQI
1st Jul 2026546 AMAQI
1st Jul 2026517 AMAQI
1st Jul 2026558 AMAQI
1st Jul 2026609 AMAQI
1st Jul 20265710 AMAQI
1st Jul 20266511 AMAQI
1st Jul 20268412 PMAQI
1st Jul 2026601 PMAQI
1st Jul 2026622 PMAQI
1st Jul 2026553 PMAQI
1st Jul 2026404 PMAQI
1st Jul 2026425 PMAQI
1st Jul 2026546 PMAQI
1st Jul 2026577 PMAQI
1st Jul 2026628 PMAQI
1st Jul 2026699 PMAQI
1st Jul 20266210 PMAQI
1st Jul 20266411 PMAQI
2nd Jul 20265612 AMAQI
2nd Jul 2026601 AMAQI
2nd Jul 2026522 AMAQI
2nd Jul 2026653 AMAQI

23°C17/31°C

2nd Jul 2026544 AMAQI
2nd Jul 2026385 AMAQI
2nd Jul 2026576 AMAQI
2nd Jul 2026537 AMAQI
2nd Jul 2026538 AMAQI
2nd Jul 2026609 AMAQI
2nd Jul 20265010 AMAQI
2nd Jul 20264611 AMAQI
2nd Jul 20266412 PMAQI
2nd Jul 2026641 PMAQI
2nd Jul 2026632 PMAQI
2nd Jul 2026423 PMAQI
2nd Jul 2026384 PMAQI
2nd Jul 2026315 PMAQI
2nd Jul 2026226 PMAQI
2nd Jul 2026287 PMAQI
2nd Jul 2026488 PMAQI
2nd Jul 2026609 PMAQI
2nd Jul 20267010 PMAQI
2nd Jul 20268111 PMAQI
3rd Jul 20266912 AMAQI
3rd Jul 2026721 AMAQI
3rd Jul 2026832 AMAQI
3rd Jul 2026923 AMAQI

25°C18/33°C

3rd Jul 2026924 AMAQI
3rd Jul 2026815 AMAQI
3rd Jul 2026786 AMAQI
3rd Jul 2026747 AMAQI
3rd Jul 2026818 AMAQI
3rd Jul 2026869 AMAQI
3rd Jul 20268910 AMAQI
3rd Jul 20269411 AMAQI
3rd Jul 20269212 PMAQI
3rd Jul 2026641 PMAQI
3rd Jul 2026652 PMAQI
3rd Jul 2026603 PMAQI
3rd Jul 2026674 PMAQI
3rd Jul 2026905 PMAQI
3rd Jul 2026946 PMAQI
3rd Jul 2026807 PMAQI
3rd Jul 2026668 PMAQI
3rd Jul 2026609 PMAQI
3rd Jul 20267210 PMAQI
3rd Jul 20268011 PMAQI
4th Jul 20267412 AMAQI
4th Jul 2026621 AMAQI
4th Jul 2026642 AMAQI
4th Jul 2026543 AMAQI

25°C21/35°C

4th Jul 2026534 AMAQI
4th Jul 2026385 AMAQI
4th Jul 2026426 AMAQI
4th Jul 2026557 AMAQI
4th Jul 2026548 AMAQI
4th Jul 2026609 AMAQI
4th Jul 20265810 AMAQI
4th Jul 20266011 AMAQI
4th Jul 20264612 PMAQI
4th Jul 2026401 PMAQI
4th Jul 2026362 PMAQI
4th Jul 2026383 PMAQI
4th Jul 2026364 PMAQI
4th Jul 2026365 PMAQI
4th Jul 2026406 PMAQI
4th Jul 2026547 PMAQI
4th Jul 2026538 PMAQI
4th Jul 2026489 PMAQI
4th Jul 20265410 PMAQI
4th Jul 20264411 PMAQI
5th Jul 20264612 AMAQI
5th Jul 2026461 AMAQI
5th Jul 2026492 AMAQI
5th Jul 2026553 AMAQI

24°C18/32°C

5th Jul 2026524 AMAQI
5th Jul 2026525 AMAQI
5th Jul 2026516 AMAQI
5th Jul 2026367 AMAQI
5th Jul 2026328 AMAQI
5th Jul 2026429 AMAQI
5th Jul 20265510 AMAQI
5th Jul 20266211 AMAQI
5th Jul 20265012 PMAQI
5th Jul 2026381 PMAQI
5th Jul 2026382 PMAQI
5th Jul 2026323 PMAQI
5th Jul 2026324 PMAQI
5th Jul 2026455 PMAQI
5th Jul 2026486 PMAQI
5th Jul 2026447 PMAQI
5th Jul 2026468 PMAQI
5th Jul 2026429 PMAQI
5th Jul 20265010 PMAQI
5th Jul 20264811 PMAQI
6th Jul 20263612 AMAQI
6th Jul 2026271 AMAQI
6th Jul 2026252 AMAQI
6th Jul 2026253 AMAQI

22°C17/29°C

6th Jul 2026274 AMAQI
6th Jul 2026295 AMAQI
6th Jul 2026366 AMAQI
6th Jul 2026217 AMAQI
6th Jul 2026218 AMAQI
6th Jul 2026239 AMAQI
6th Jul 20262710 AMAQI
6th Jul 20262711 AMAQI
6th Jul 20263612 PMAQI
6th Jul 2026461 PMAQI
6th Jul 2026442 PMAQI
6th Jul 2026383 PMAQI
6th Jul 2026384 PMAQI
6th Jul 2026445 PMAQI
6th Jul 2026516 PMAQI
6th Jul 2026547 PMAQI
6th Jul 2026538 PMAQI
6th Jul 2026649 PMAQI
6th Jul 20266310 PMAQI
6th Jul 20266611 PMAQI
7th Jul 20265612 AMAQI
7th Jul 2026421 AMAQI
7th Jul 2026312 AMAQI
7th Jul 2026313 AMAQI

21°C17/28°C

7th Jul 2026244 AMAQI
7th Jul 2026215 AMAQI
7th Jul 2026236 AMAQI
7th Jul 2026367 AMAQI
7th Jul 2026388 AMAQI
7th Jul 2026409 AMAQI
7th Jul 20265110 AMAQI
7th Jul 20264211 AMAQI
7th Jul 20265012 PMAQI
7th Jul 2026421 PMAQI
7th Jul 2026332 PMAQI
7th Jul 2026383 PMAQI
7th Jul 2026314 PMAQI
7th Jul 2026255 PMAQI
7th Jul 2026316 PMAQI
7th Jul 2026407 PMAQI
7th Jul 2026488 PMAQI
7th Jul 2026519 PMAQI
7th Jul 20264810 PMAQI
7th Jul 20265511 PMAQI
8th Jul 20264912 AMAQI
8th Jul 2026271 AMAQI
8th Jul 2026312 AMAQI
8th Jul 2026463 AMAQI

22°C16/29°C

8th Jul 2026484 AMAQI
8th Jul 2026335 AMAQI
8th Jul 2026386 AMAQI
8th Jul 2026427 AMAQI
8th Jul 2026468 AMAQI
8th Jul 2026569 AMAQI
8th Jul 20264010 AMAQI
8th Jul 20264611 AMAQI
8th Jul 20264812 PMAQI
8th Jul 2026511 PMAQI
8th Jul 2026552 PMAQI
8th Jul 2026233 PMAQI
8th Jul 2026254 PMAQI
8th Jul 2026315 PMAQI
8th Jul 2026426 PMAQI
8th Jul 2026407 PMAQI
8th Jul 2026338 PMAQI
8th Jul 2026609 PMAQI
8th Jul 20266710 PMAQI
8th Jul 20266511 PMAQI
9th Jul 20266912 AMAQI
9th Jul 2026421 AMAQI
9th Jul 2026462 AMAQI
9th Jul 2026213 AMAQI

23°C17/29°C

9th Jul 2026254 AMAQI
9th Jul 2026385 AMAQI
9th Jul 2026276 AMAQI
9th Jul 2026447 AMAQI
9th Jul 2026218 AMAQI
9th Jul 2026229 AMAQI
9th Jul 20263610 AMAQI
9th Jul 20264711 AMAQI
9th Jul 20268012 PMAQI
9th Jul 2026641 PMAQI
9th Jul 2026382 PMAQI
9th Jul 2026603 PMAQI
9th Jul 2026524 PMAQI
9th Jul 2026675 PMAQI
9th Jul 2026716 PMAQI
9th Jul 2026827 PMAQI
9th Jul 2026948 PMAQI
9th Jul 20261029 PMAQI
9th Jul 20269910 PMAQI
9th Jul 202610011 PMAQI
10th Jul 20268612 AMAQI
10th Jul 2026601 AMAQI
10th Jul 2026712 AMAQI
10th Jul 2026743 AMAQI

25°C17/32°C

10th Jul 2026674 AMAQI
10th Jul 2026695 AMAQI
10th Jul 2026706 AMAQI
10th Jul 2026737 AMAQI
10th Jul 2026748 AMAQI
10th Jul 2026689 AMAQI
10th Jul 20267610 AMAQI
10th Jul 20266611 AMAQI
10th Jul 20266512 PMAQI
10th Jul 2026401 PMAQI
10th Jul 2026682 PMAQI
10th Jul 2026693 PMAQI
10th Jul 2026594 PMAQI
10th Jul 2026625 PMAQI
10th Jul 2026656 PMAQI
10th Jul 2026717 PMAQI
10th Jul 2026648 PMAQI
10th Jul 2026639 PMAQI
10th Jul 20266910 PMAQI
10th Jul 20266211 PMAQI
11th Jul 20266212 AMAQI
11th Jul 2026661 AMAQI
11th Jul 2026712 AMAQI
11th Jul 2026673 AMAQI

23°C21/26°C

11th Jul 2026834 AMAQI
11th Jul 2026865 AMAQI
11th Jul 2026646 AMAQI
11th Jul 2026717 AMAQI
11th Jul 20261028 AMAQI
11th Jul 2026909 AMAQI
11th Jul 202610210 AMAQI
11th Jul 20269511 AMAQI
11th Jul 20268812 PMAQI
11th Jul 2026861 PMAQI
11th Jul 2026802 PMAQI
11th Jul 20261003 PMAQI
11th Jul 2026804 PMAQI
11th Jul 2026765 PMAQI
11th Jul 2026706 PMAQI
11th Jul 2026647 PMAQI
11th Jul 2026738 PMAQI
11th Jul 2026699 PMAQI
11th Jul 20264810 PMAQI
11th Jul 20264811 PMAQI
12th Jul 20264712 AMAQI
12th Jul 2026491 AMAQI
12th Jul 2026512 AMAQI
12th Jul 2026513 AMAQI

22°C21/24°C

12th Jul 2026554 AMAQI
12th Jul 2026515 AMAQI
12th Jul 2026586 AMAQI
12th Jul 2026567 AMAQI
12th Jul 2026568 AMAQI
12th Jul 2026509 AMAQI
12th Jul 20265810 AMAQI
12th Jul 20267511 AMAQI
12th Jul 20268012 PMAQI
12th Jul 2026761 PMAQI
12th Jul 2026692 PMAQI
12th Jul 2026643 PMAQI
12th Jul 2026584 PMAQI
12th Jul 2026625 PMAQI
12th Jul 2026716 PMAQI
12th Jul 2026757 PMAQI
12th Jul 2026858 PMAQI
12th Jul 2026849 PMAQI
12th Jul 20268610 PMAQI
12th Jul 20268811 PMAQI
13th Jul 20268312 AMAQI
13th Jul 2026971 AMAQI
13th Jul 2026852 AMAQI
13th Jul 2026903 AMAQI

24°C20/30°C

13th Jul 2026944 AMAQI
4 AM
13th Jul 2026885 AMAQI
13th Jul 2026706 AMAQI
13th Jul 2026767 AMAQI
13th Jul 2026828 AMAQI
13th Jul 2026909 AMAQI
13th Jul 20268910 AMAQI
13th Jul 20267611 AMAQI
11 AM
13th Jul 20268412 PMAQI
13th Jul 2026791 PMAQI
13th Jul 2026742 PMAQI
13th Jul 2026403 PMAQI
13th Jul 2026194 PMAQI
13th Jul 2026235 PMAQI
13th Jul 2026256 PMAQI
13th Jul 2026217 PMAQI
7 PM
13th Jul 2026218 PMAQI
13th Jul 2026239 PMAQI
13th Jul 20263110 PMAQI
13th Jul 20263611 PMAQI
11 PM
3 AM

25°C19/32°C

Day time
Avg. Highest Time
12 PM

63AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
4 PM

51AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 12 PM (Avg. 63), while the lowest AQI was between 4 PM to 4 PM (Avg. 51).
Night time
Avg. Highest Time
11 PM

69AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
2 AM - 8 PM

58AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 PM to 11 PM (Avg. 69), while the lowest AQI was between 2 AM to 8 PM (Avg. 58).

2026 Days Vs Air Quality

Huaian Environmental Protection Bureau, Zhangjiakou, Hebei, China

2026

39%

75

51%

98

10%

20

0.5%

1

Total number of days with different AQI categories in last 194 days in 2026 (171 days remaining)

Good
75 Days
Moderate
98 Days
Poor
20 Days
Unhealthy
1 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 39%

Health Risk Level:

High

In 2026, 39% of 194 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.

Annual Air Quality Insights

Huaian Environmental Protection Bureau, Zhangjiakou, Hebei, 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
36AQI (US)
2nd January 2026
33AQI (US)
3rd January 2026
50AQI (US)
4th January 2026
36AQI (US)
5th January 2026
30AQI (US)
6th January 2026
54AQI (US)
7th January 2026
46AQI (US)
8th January 2026
83AQI (US)
9th January 2026
97AQI (US)
10th January 2026
36AQI (US)
11th January 2026
39AQI (US)
12th January 2026
60AQI (US)
13th January 2026
51AQI (US)
14th January 2026
122AQI (US)
15th January 2026
124AQI (US)
16th January 2026
68AQI (US)
17th January 2026
63AQI (US)
18th January 2026
64AQI (US)
19th January 2026
25AQI (US)
20th January 2026
28AQI (US)
21st January 2026
45AQI (US)
22nd January 2026
61AQI (US)
23rd January 2026
57AQI (US)
24th January 2026
43AQI (US)
25th January 2026
61AQI (US)
26th January 2026
68AQI (US)
27th January 2026
40AQI (US)
28th January 2026
77AQI (US)
29th January 2026
60AQI (US)
30th January 2026
81AQI (US)
31st January 2026
38AQI (US)
1st February 2026
33AQI (US)
2nd February 2026
42AQI (US)
3rd February 2026
72AQI (US)
4th February 2026
95AQI (US)
5th February 2026
38AQI (US)
6th February 2026
17AQI (US)
7th February 2026
32AQI (US)
8th February 2026
46AQI (US)
9th February 2026
76AQI (US)
10th February 2026
81AQI (US)
11th February 2026
52AQI (US)
12th February 2026
77AQI (US)
13th February 2026
77AQI (US)
14th February 2026
73AQI (US)
15th February 2026
29AQI (US)
16th February 2026
35AQI (US)
17th February 2026
61AQI (US)
18th February 2026
45AQI (US)
19th February 2026
64AQI (US)
20th February 2026
85AQI (US)
21st February 2026
99AQI (US)
22nd February 2026
49AQI (US)
23rd February 2026
57AQI (US)
24th February 2026
81AQI (US)
25th February 2026
122AQI (US)
26th February 2026
65AQI (US)
27th February 2026
120AQI (US)
28th February 2026
101AQI (US)
1st March 2026
146AQI (US)
2nd March 2026
151AQI (US)
3rd March 2026
104AQI (US)
4th March 2026
88AQI (US)
5th March 2026
82AQI (US)
6th March 2026
37AQI (US)
7th March 2026
68AQI (US)
8th March 2026
95AQI (US)
9th March 2026
39AQI (US)
10th March 2026
64AQI (US)
11th March 2026
42AQI (US)
12th March 2026
84AQI (US)
13th March 2026
134AQI (US)
14th March 2026
50AQI (US)
15th March 2026
46AQI (US)
16th March 2026
85AQI (US)
17th March 2026
109AQI (US)
18th March 2026
30AQI (US)
19th March 2026
51AQI (US)
20th March 2026
72AQI (US)
21st March 2026
126AQI (US)
22nd March 2026
68AQI (US)
23rd March 2026
114AQI (US)
24th March 2026
146AQI (US)
25th March 2026
104AQI (US)
26th March 2026
62AQI (US)
27th March 2026
39AQI (US)
28th March 2026
82AQI (US)
29th March 2026
71AQI (US)
30th March 2026
40AQI (US)
31st March 2026
68AQI (US)
1st April 2026
33AQI (US)
2nd April 2026
73AQI (US)
3rd April 2026
76AQI (US)
4th April 2026
52AQI (US)
5th April 2026
48AQI (US)
6th April 2026
27AQI (US)
7th April 2026
47AQI (US)
8th April 2026
79AQI (US)
9th April 2026
81AQI (US)
10th April 2026
49AQI (US)
11th April 2026
41AQI (US)
12th April 2026
62AQI (US)
13th April 2026
79AQI (US)
14th April 2026
83AQI (US)
15th April 2026
102AQI (US)
16th April 2026
91AQI (US)
17th April 2026
74AQI (US)
18th April 2026
105AQI (US)
19th April 2026
104AQI (US)
20th April 2026
68AQI (US)
21st April 2026
54AQI (US)
22nd April 2026
42AQI (US)
23rd April 2026
86AQI (US)
24th April 2026
78AQI (US)
25th April 2026
65AQI (US)
26th April 2026
46AQI (US)
27th April 2026
44AQI (US)
28th April 2026
23AQI (US)
29th April 2026
29AQI (US)
30th April 2026
50AQI (US)
1st May 2026
52AQI (US)
2nd May 2026
50AQI (US)
3rd May 2026
28AQI (US)
4th May 2026
30AQI (US)
5th May 2026
61AQI (US)
6th May 2026
57AQI (US)
7th May 2026
24AQI (US)
8th May 2026
35AQI (US)
9th May 2026
61AQI (US)
10th May 2026
34AQI (US)
11th May 2026
30AQI (US)
12th May 2026
72AQI (US)
13th May 2026
105AQI (US)
14th May 2026
128AQI (US)
15th May 2026
125AQI (US)
16th May 2026
78AQI (US)
17th May 2026
77AQI (US)
18th May 2026
75AQI (US)
19th May 2026
75AQI (US)
20th May 2026
87AQI (US)
21st May 2026
98AQI (US)
22nd May 2026
100AQI (US)
23rd May 2026
90AQI (US)
24th May 2026
82AQI (US)
25th May 2026
81AQI (US)
26th May 2026
61AQI (US)
27th May 2026
60AQI (US)
28th May 2026
28AQI (US)
29th May 2026
27AQI (US)
30th May 2026
37AQI (US)
31st May 2026
41AQI (US)
1st June 2026
30AQI (US)
2nd June 2026
51AQI (US)
3rd June 2026
32AQI (US)
4th June 2026
30AQI (US)
5th June 2026
32AQI (US)
6th June 2026
39AQI (US)
7th June 2026
38AQI (US)
8th June 2026
35AQI (US)
9th June 2026
27AQI (US)
10th June 2026
41AQI (US)
11th June 2026
38AQI (US)
12th June 2026
60AQI (US)
13th June 2026
66AQI (US)
14th June 2026
56AQI (US)
15th June 2026
98AQI (US)
16th June 2026
76AQI (US)
17th June 2026
52AQI (US)
18th June 2026
74AQI (US)
19th June 2026
110AQI (US)
20th June 2026
37AQI (US)
21st June 2026
35AQI (US)
22nd June 2026
60AQI (US)
23rd June 2026
60AQI (US)
24th June 2026
32AQI (US)
25th June 2026
23AQI (US)
26th June 2026
41AQI (US)
27th June 2026
59AQI (US)
28th June 2026
65AQI (US)
29th June 2026
87AQI (US)
30th June 2026
56AQI (US)
1st July 2026
58AQI (US)
2nd July 2026
52AQI (US)
3rd July 2026
78AQI (US)
4th July 2026
50AQI (US)
5th July 2026
45AQI (US)
6th July 2026
38AQI (US)
7th July 2026
39AQI (US)
8th July 2026
43AQI (US)
9th July 2026
56AQI (US)
10th July 2026
67AQI (US)
11th July 2026
77AQI (US)
12th July 2026
65AQI (US)
13th July 2026
62AQI (US)
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

57AQI (US)

65AQI (US)

81AQI (US)

63AQI (US)

64AQI (US)

51AQI (US)

56AQI (US)

No. of days

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

202663AQI (US)

14
15
2
10
15
3
8
14
8
1
12
15
3
11
17
3
15
14
1
5
8
75
98
20
1

Highest AQI (US) recorded in

March

81AQI (US)

Lowest AQI (US) recorded in

June

51AQI (US)

202571AQI (US)

4
20
6
1
1
22
4
1
2
20
7
2
28
2
31
7
23
31
31
2
28
6
22
3
8
15
7
9
18
4
39
289
33
4

Highest AQI (US) recorded in

March

89AQI (US)

Lowest AQI (US) recorded in

August

60AQI (US)

202459AQI (US)

15
1
2
10
1
29
4
27
19
12
20
7
2
15
13
3
10
15
4
1
4
25
2
90
139
11
1

Highest AQI (US) recorded in

November

71AQI (US)

Lowest AQI (US) recorded in

January

35AQI (US)

202330AQI (US)

3
26
5
29
5

Highest AQI (US) recorded in

December

32AQI (US)

Lowest AQI (US) recorded in

November

10AQI (US)

202263AQI (US)

15
8
4
3
10
10
9
12
8
2
4
10
3
18
13
12
12
5
10
14
2
78
81
20
5

Highest AQI (US) recorded in

March

81AQI (US)

Lowest AQI (US) recorded in

May

48AQI (US)

202157AQI (US)

9
9
5
4
1
2
6
11
7
4
2
12
6
8
1
2
7
13
5
1
10
17
3
1
13
17
24
7
31
30
31
18
10
2
18
12
1
199
108
29
16
2
6

Highest AQI (US) recorded in

March

146AQI (US)

Lowest AQI (US) recorded in

October

1AQI (US)

202073AQI (US)

1
8
4
2
16
3
6
9
2
1
1
21
7
1
1
23
7
5
23
3
13
14
2
11
13
6
1
14
11
2
3
13
15
3
67
153
39
4
2

Highest AQI (US) recorded in

March

89AQI (US)

Lowest AQI (US) recorded in

December

61AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2020(Avg.)
73AQI (US)
Least Polluted Year Recorded
2023(Avg.)
30AQI (US)

Huaian Environmental Protection Bureau's annual 2026 AQI (US) (63) shows an average percentage change of 17.05% (worsened AQI (US)) compared to previous years: 2020 (73), 2021 (57), 2022 (63), 2023 (30), 2024 (59), 2025 (71).