Chengde, 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
Chengde, Hebei, China
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
20th Jul 2023
111AQILowest AQI recorded on
12th Jul 2026
19AQISame Day Analysis (28th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 59 of Moderate air quality, showing improvement over 2023 on the same day.
Day & Night AQI Trend: 27th Jul - 28th Jul 2026
Chengde, Hebei, China
AQI
Day
Night
.
4 AM27th Jul 2026
7 PM
3 AM28th Jul 2026
Day time
Avg. Highest Time
3PM27th Jul
86AQI
Avg. Lowest Time
6PM27th Jul
43AQI
Night time
Avg. Highest Time
11PM27th Jul
82AQI
Avg. Lowest Time
4AM27th Jul
49AQI
In the last 24 hours,
Chengde's AQI reached its highest point of 86 at 3 PM during the Day, while the lowest point, 43, was recorded at 6 PM during the Day between 27th Jul and 28th Jul 2026.
Day & Night AQI Trend : Jun - Jul 2026
Chengde, Hebei, China
JunJul
29th - 30th30th - 01st01st - 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
Day
Night
29th Jun 20261344 AMAQI
29th Jun 20261245 AMAQI
29th Jun 20261236 AMAQI
29th Jun 20261167 AMAQI
29th Jun 20261098 AMAQI
29th Jun 2026839 AMAQI
29th Jun 20266710 AMAQI
29th Jun 20265811 AMAQI
29th Jun 20266612 PMAQI
29th Jun 2026601 PMAQI
29th Jun 2026492 PMAQI
29th Jun 2026423 PMAQI
29th Jun 2026354 PMAQI
29th Jun 2026315 PMAQI
29th Jun 2026356 PMAQI
29th Jun 2026497 PMAQI
29th Jun 2026648 PMAQI
29th Jun 2026659 PMAQI
29th Jun 20266810 PMAQI
29th Jun 20267311 PMAQI
30th Jun 20267412 AMAQI
30th Jun 2026811 AMAQI
30th Jun 2026802 AMAQI
30th Jun 2026893 AMAQI
18°C14/24°C
30th Jun 2026914 AMAQI
30th Jun 2026915 AMAQI
30th Jun 2026966 AMAQI
30th Jun 2026827 AMAQI
30th Jun 2026758 AMAQI
30th Jun 2026839 AMAQI
30th Jun 20267710 AMAQI
30th Jun 20267211 AMAQI
30th Jun 20267212 PMAQI
30th Jun 2026601 PMAQI
30th Jun 2026382 PMAQI
30th Jun 2026293 PMAQI
30th Jun 2026184 PMAQI
30th Jun 2026175 PMAQI
30th Jun 2026226 PMAQI
30th Jun 2026237 PMAQI
30th Jun 2026258 PMAQI
30th Jun 2026299 PMAQI
30th Jun 20263110 PMAQI
30th Jun 20263011 PMAQI
1st Jul 20263312 AMAQI
1st Jul 2026241 AMAQI
1st Jul 2026242 AMAQI
1st Jul 2026273 AMAQI
19°C14/25°C
1st Jul 2026234 AMAQI
1st Jul 2026275 AMAQI
1st Jul 2026286 AMAQI
1st Jul 2026347 AMAQI
1st Jul 2026378 AMAQI
1st Jul 2026359 AMAQI
1st Jul 20264710 AMAQI
1st Jul 20264011 AMAQI
1st Jul 20264912 PMAQI
1st Jul 2026391 PMAQI
1st Jul 2026462 PMAQI
1st Jul 2026443 PMAQI
1st Jul 2026474 PMAQI
1st Jul 2026535 PMAQI
1st Jul 2026676 PMAQI
1st Jul 2026687 PMAQI
1st Jul 2026698 PMAQI
1st Jul 2026639 PMAQI
1st Jul 20266410 PMAQI
1st Jul 20266811 PMAQI
2nd Jul 20267212 AMAQI
2nd Jul 2026701 AMAQI
2nd Jul 2026542 AMAQI
2nd Jul 2026583 AMAQI
20°C14/28°C
2nd Jul 2026564 AMAQI
2nd Jul 2026545 AMAQI
2nd Jul 2026596 AMAQI
2nd Jul 2026607 AMAQI
2nd Jul 2026588 AMAQI
2nd Jul 2026659 AMAQI
2nd Jul 20266910 AMAQI
2nd Jul 20269911 AMAQI
2nd Jul 202610012 PMAQI
2nd Jul 2026731 PMAQI
2nd Jul 2026702 PMAQI
2nd Jul 2026633 PMAQI
2nd Jul 2026594 PMAQI
2nd Jul 2026595 PMAQI
2nd Jul 2026766 PMAQI
2nd Jul 2026907 PMAQI
2nd Jul 2026998 PMAQI
2nd Jul 2026989 PMAQI
2nd Jul 20268110 PMAQI
2nd Jul 20265811 PMAQI
3rd Jul 20265912 AMAQI
3rd Jul 2026591 AMAQI
3rd Jul 2026512 AMAQI
3rd Jul 2026513 AMAQI
22°C15/29°C
3rd Jul 2026504 AMAQI
3rd Jul 2026555 AMAQI
3rd Jul 2026516 AMAQI
3rd Jul 2026477 AMAQI
3rd Jul 2026508 AMAQI
3rd Jul 2026509 AMAQI
3rd Jul 20265610 AMAQI
3rd Jul 20266511 AMAQI
3rd Jul 20266512 PMAQI
3rd Jul 2026741 PMAQI
3rd Jul 2026812 PMAQI
3rd Jul 2026883 PMAQI
3rd Jul 2026954 PMAQI
3rd Jul 2026955 PMAQI
3rd Jul 2026976 PMAQI
3rd Jul 20261007 PMAQI
3rd Jul 20261078 PMAQI
3rd Jul 20261139 PMAQI
3rd Jul 202611610 PMAQI
3rd Jul 202611311 PMAQI
4th Jul 20269512 AMAQI
4th Jul 20261021 AMAQI
4th Jul 20261002 AMAQI
4th Jul 2026993 AMAQI
22°C16/32°C
4th Jul 2026934 AMAQI
4th Jul 2026835 AMAQI
4th Jul 2026866 AMAQI
4th Jul 2026877 AMAQI
4th Jul 2026878 AMAQI
4th Jul 2026909 AMAQI
4th Jul 20269210 AMAQI
4th Jul 20268911 AMAQI
4th Jul 20268312 PMAQI
4th Jul 2026711 PMAQI
4th Jul 2026662 PMAQI
4th Jul 2026653 PMAQI
4th Jul 2026644 PMAQI
4th Jul 2026585 PMAQI
4th Jul 2026626 PMAQI
4th Jul 2026577 PMAQI
4th Jul 2026528 PMAQI
4th Jul 2026619 PMAQI
4th Jul 20266910 PMAQI
4th Jul 20268011 PMAQI
5th Jul 20266312 AMAQI
5th Jul 2026491 AMAQI
5th Jul 2026342 AMAQI
5th Jul 2026313 AMAQI
21°C16/30°C
5th Jul 2026324 AMAQI
5th Jul 2026295 AMAQI
5th Jul 2026316 AMAQI
5th Jul 2026337 AMAQI
5th Jul 2026278 AMAQI
5th Jul 2026259 AMAQI
5th Jul 20263010 AMAQI
5th Jul 20264111 AMAQI
5th Jul 20262712 PMAQI
5th Jul 2026141 PMAQI
5th Jul 2026142 PMAQI
5th Jul 2026133 PMAQI
5th Jul 2026174 PMAQI
5th Jul 2026225 PMAQI
5th Jul 2026216 PMAQI
5th Jul 2026237 PMAQI
5th Jul 2026288 PMAQI
5th Jul 2026439 PMAQI
5th Jul 20263210 PMAQI
5th Jul 20262711 PMAQI
6th Jul 20261812 AMAQI
6th Jul 2026181 AMAQI
6th Jul 2026182 AMAQI
6th Jul 2026163 AMAQI
20°C14/27°C
6th Jul 2026224 AMAQI
6th Jul 2026255 AMAQI
6th Jul 2026276 AMAQI
6th Jul 2026357 AMAQI
6th Jul 2026418 AMAQI
6th Jul 2026409 AMAQI
6th Jul 20265110 AMAQI
6th Jul 20265911 AMAQI
6th Jul 20266312 PMAQI
6th Jul 2026661 PMAQI
6th Jul 2026562 PMAQI
6th Jul 2026423 PMAQI
6th Jul 2026334 PMAQI
6th Jul 2026225 PMAQI
6th Jul 2026256 PMAQI
6th Jul 2026337 PMAQI
6th Jul 2026388 PMAQI
6th Jul 2026369 PMAQI
6th Jul 20263610 PMAQI
6th Jul 20264011 PMAQI
7th Jul 20264412 AMAQI
7th Jul 2026421 AMAQI
7th Jul 2026352 AMAQI
7th Jul 2026393 AMAQI
20°C14/27°C
7th Jul 2026364 AMAQI
7th Jul 2026315 AMAQI
7th Jul 2026316 AMAQI
7th Jul 2026357 AMAQI
7th Jul 2026358 AMAQI
7th Jul 2026339 AMAQI
7th Jul 20263310 AMAQI
7th Jul 20264311 AMAQI
7th Jul 20265212 PMAQI
7th Jul 2026601 PMAQI
7th Jul 2026712 PMAQI
7th Jul 2026753 PMAQI
7th Jul 2026774 PMAQI
7th Jul 2026645 PMAQI
7th Jul 2026436 PMAQI
7th Jul 2026277 PMAQI
7th Jul 2026278 PMAQI
7th Jul 2026239 PMAQI
7th Jul 20262610 PMAQI
7th Jul 20262711 PMAQI
8th Jul 20262612 AMAQI
8th Jul 2026341 AMAQI
8th Jul 2026312 AMAQI
8th Jul 2026213 AMAQI
20°C14/27°C
8th Jul 2026254 AMAQI
8th Jul 2026245 AMAQI
8th Jul 2026256 AMAQI
8th Jul 2026317 AMAQI
8th Jul 2026408 AMAQI
8th Jul 2026489 AMAQI
8th Jul 20265110 AMAQI
8th Jul 20265511 AMAQI
8th Jul 20262912 PMAQI
8th Jul 2026341 PMAQI
8th Jul 2026292 PMAQI
8th Jul 2026373 PMAQI
8th Jul 2026244 PMAQI
8th Jul 2026285 PMAQI
8th Jul 2026336 PMAQI
8th Jul 2026377 PMAQI
8th Jul 2026388 PMAQI
8th Jul 2026339 PMAQI
8th Jul 20264310 PMAQI
8th Jul 20264411 PMAQI
9th Jul 20263412 AMAQI
9th Jul 2026331 AMAQI
9th Jul 2026422 AMAQI
9th Jul 2026493 AMAQI
20°C14/29°C
9th Jul 2026484 AMAQI
9th Jul 2026505 AMAQI
9th Jul 2026456 AMAQI
9th Jul 2026477 AMAQI
9th Jul 2026438 AMAQI
9th Jul 2026509 AMAQI
9th Jul 20265310 AMAQI
9th Jul 20265911 AMAQI
9th Jul 20266412 PMAQI
9th Jul 2026681 PMAQI
9th Jul 2026592 PMAQI
9th Jul 2026383 PMAQI
9th Jul 2026344 PMAQI
9th Jul 2026415 PMAQI
9th Jul 2026376 PMAQI
9th Jul 2026507 PMAQI
9th Jul 2026728 PMAQI
9th Jul 2026739 PMAQI
9th Jul 20267610 PMAQI
9th Jul 20266911 PMAQI
10th Jul 20267612 AMAQI
10th Jul 2026661 AMAQI
10th Jul 2026582 AMAQI
10th Jul 2026443 AMAQI
22°C15/31°C
10th Jul 2026504 AMAQI
10th Jul 2026495 AMAQI
10th Jul 2026366 AMAQI
10th Jul 2026387 AMAQI
10th Jul 2026468 AMAQI
10th Jul 2026499 AMAQI
10th Jul 20264310 AMAQI
10th Jul 20264511 AMAQI
10th Jul 20263712 PMAQI
10th Jul 2026291 PMAQI
10th Jul 2026292 PMAQI
10th Jul 2026333 PMAQI
10th Jul 2026294 PMAQI
10th Jul 2026265 PMAQI
10th Jul 2026256 PMAQI
10th Jul 2026307 PMAQI
10th Jul 2026368 PMAQI
10th Jul 2026349 PMAQI
10th Jul 20263010 PMAQI
10th Jul 20262411 PMAQI
11th Jul 20262612 AMAQI
11th Jul 2026281 AMAQI
11th Jul 2026312 AMAQI
11th Jul 2026243 AMAQI
21°C18/25°C
11th Jul 2026304 AMAQI
11th Jul 2026305 AMAQI
11th Jul 2026246 AMAQI
11th Jul 2026247 AMAQI
11th Jul 2026228 AMAQI
11th Jul 2026259 AMAQI
11th Jul 20262510 AMAQI
11th Jul 20262411 AMAQI
11th Jul 20262412 PMAQI
11th Jul 2026251 PMAQI
11th Jul 2026162 PMAQI
11th Jul 2026173 PMAQI
11th Jul 2026204 PMAQI
11th Jul 2026215 PMAQI
11th Jul 2026216 PMAQI
11th Jul 2026217 PMAQI
11th Jul 2026228 PMAQI
11th Jul 2026229 PMAQI
11th Jul 20262610 PMAQI
11th Jul 20262211 PMAQI
12th Jul 20262112 AMAQI
12th Jul 2026161 AMAQI
12th Jul 2026142 AMAQI
12th Jul 2026143 AMAQI
21°C20/23°C
12th Jul 2026144 AMAQI
12th Jul 2026145 AMAQI
12th Jul 2026156 AMAQI
12th Jul 2026237 AMAQI
12th Jul 2026208 AMAQI
12th Jul 2026179 AMAQI
12th Jul 20261510 AMAQI
12th Jul 20261911 AMAQI
12th Jul 20261612 PMAQI
12th Jul 2026171 PMAQI
12th Jul 2026162 PMAQI
12th Jul 2026173 PMAQI
12th Jul 2026164 PMAQI
12th Jul 2026215 PMAQI
12th Jul 2026206 PMAQI
12th Jul 2026167 PMAQI
12th Jul 2026278 PMAQI
12th Jul 2026279 PMAQI
12th Jul 20263110 PMAQI
12th Jul 20263311 PMAQI
13th Jul 20263112 AMAQI
13th Jul 2026321 AMAQI
13th Jul 2026302 AMAQI
13th Jul 2026283 AMAQI
23°C18/30°C
13th Jul 2026304 AMAQI
13th Jul 2026315 AMAQI
13th Jul 2026326 AMAQI
13th Jul 2026347 AMAQI
13th Jul 2026358 AMAQI
13th Jul 2026379 AMAQI
13th Jul 20263810 AMAQI
13th Jul 20265311 AMAQI
13th Jul 20265512 PMAQI
13th Jul 2026561 PMAQI
13th Jul 2026452 PMAQI
13th Jul 2026353 PMAQI
13th Jul 2026404 PMAQI
13th Jul 2026635 PMAQI
13th Jul 2026606 PMAQI
13th Jul 2026607 PMAQI
13th Jul 2026528 PMAQI
13th Jul 2026459 PMAQI
13th Jul 20266810 PMAQI
13th Jul 20267711 PMAQI
14th Jul 20266612 AMAQI
14th Jul 2026601 AMAQI
14th Jul 2026552 AMAQI
14th Jul 2026603 AMAQI
23°C17/31°C
14th Jul 2026624 AMAQI
14th Jul 2026495 AMAQI
14th Jul 2026526 AMAQI
14th Jul 2026397 AMAQI
14th Jul 2026458 AMAQI
14th Jul 2026379 AMAQI
14th Jul 20262910 AMAQI
14th Jul 20262311 AMAQI
14th Jul 20262312 PMAQI
14th Jul 2026261 PMAQI
14th Jul 2026232 PMAQI
14th Jul 2026203 PMAQI
14th Jul 2026154 PMAQI
14th Jul 2026155 PMAQI
14th Jul 2026306 PMAQI
14th Jul 2026327 PMAQI
14th Jul 2026388 PMAQI
14th Jul 2026429 PMAQI
14th Jul 20264410 PMAQI
14th Jul 20264611 PMAQI
15th Jul 20264312 AMAQI
15th Jul 2026461 AMAQI
15th Jul 2026372 AMAQI
15th Jul 2026263 AMAQI
23°C17/30°C
15th Jul 2026294 AMAQI
15th Jul 2026325 AMAQI
15th Jul 2026366 AMAQI
15th Jul 2026307 AMAQI
15th Jul 2026298 AMAQI
15th Jul 2026299 AMAQI
15th Jul 20263210 AMAQI
15th Jul 20264311 AMAQI
15th Jul 20264012 PMAQI
15th Jul 2026491 PMAQI
15th Jul 2026282 PMAQI
15th Jul 2026213 PMAQI
15th Jul 2026284 PMAQI
15th Jul 2026315 PMAQI
15th Jul 2026266 PMAQI
15th Jul 2026237 PMAQI
15th Jul 2026258 PMAQI
15th Jul 2026389 PMAQI
15th Jul 20264810 PMAQI
15th Jul 20265411 PMAQI
16th Jul 20264512 AMAQI
16th Jul 2026361 AMAQI
16th Jul 2026352 AMAQI
16th Jul 2026363 AMAQI
24°C16/33°C
16th Jul 2026374 AMAQI
16th Jul 2026405 AMAQI
16th Jul 2026386 AMAQI
16th Jul 2026437 AMAQI
16th Jul 2026418 AMAQI
16th Jul 2026259 AMAQI
16th Jul 20262310 AMAQI
16th Jul 20262211 AMAQI
16th Jul 20262112 PMAQI
16th Jul 2026231 PMAQI
16th Jul 2026292 PMAQI
16th Jul 2026253 PMAQI
16th Jul 2026184 PMAQI
16th Jul 2026235 PMAQI
16th Jul 2026316 PMAQI
16th Jul 2026287 PMAQI
16th Jul 2026318 PMAQI
16th Jul 2026359 PMAQI
16th Jul 20265010 PMAQI
16th Jul 20264711 PMAQI
17th Jul 20264112 AMAQI
17th Jul 2026411 AMAQI
17th Jul 2026382 AMAQI
17th Jul 2026373 AMAQI
22°C17/30°C
17th Jul 2026384 AMAQI
17th Jul 2026445 AMAQI
17th Jul 2026426 AMAQI
17th Jul 2026487 AMAQI
17th Jul 2026498 AMAQI
17th Jul 2026459 AMAQI
17th Jul 20264710 AMAQI
17th Jul 20264711 AMAQI
17th Jul 20265012 PMAQI
17th Jul 2026451 PMAQI
17th Jul 2026462 PMAQI
17th Jul 2026503 PMAQI
17th Jul 2026494 PMAQI
17th Jul 2026535 PMAQI
17th Jul 2026596 PMAQI
17th Jul 2026617 PMAQI
17th Jul 2026628 PMAQI
17th Jul 2026619 PMAQI
17th Jul 20265510 PMAQI
17th Jul 20265511 PMAQI
18th Jul 20264812 AMAQI
18th Jul 2026371 AMAQI
18th Jul 2026332 AMAQI
18th Jul 2026323 AMAQI
22°C17/28°C
18th Jul 2026354 AMAQI
18th Jul 2026355 AMAQI
18th Jul 2026386 AMAQI
18th Jul 2026377 AMAQI
18th Jul 2026368 AMAQI
18th Jul 2026429 AMAQI
18th Jul 20264010 AMAQI
18th Jul 20264111 AMAQI
18th Jul 20264512 PMAQI
18th Jul 2026441 PMAQI
18th Jul 2026452 PMAQI
18th Jul 2026613 PMAQI
18th Jul 2026464 PMAQI
18th Jul 2026465 PMAQI
18th Jul 2026346 PMAQI
18th Jul 2026347 PMAQI
18th Jul 2026488 PMAQI
18th Jul 2026509 PMAQI
18th Jul 20265210 PMAQI
18th Jul 20265411 PMAQI
19th Jul 20265512 AMAQI
19th Jul 2026481 AMAQI
19th Jul 2026462 AMAQI
19th Jul 2026443 AMAQI
20°C15/26°C
19th Jul 2026554 AMAQI
19th Jul 2026575 AMAQI
19th Jul 2026496 AMAQI
19th Jul 2026367 AMAQI
19th Jul 2026348 AMAQI
19th Jul 2026259 AMAQI
19th Jul 20262510 AMAQI
19th Jul 20262811 AMAQI
19th Jul 20263112 PMAQI
19th Jul 2026311 PMAQI
19th Jul 2026372 PMAQI
19th Jul 2026293 PMAQI
19th Jul 2026274 PMAQI
19th Jul 2026295 PMAQI
19th Jul 2026376 PMAQI
19th Jul 2026397 PMAQI
19th Jul 2026438 PMAQI
19th Jul 2026419 PMAQI
19th Jul 20265710 PMAQI
19th Jul 20266611 PMAQI
20th Jul 20266912 AMAQI
20th Jul 2026701 AMAQI
20th Jul 2026732 AMAQI
20th Jul 2026773 AMAQI
21°C16/29°C
20th Jul 2026804 AMAQI
20th Jul 2026715 AMAQI
20th Jul 2026756 AMAQI
20th Jul 2026767 AMAQI
20th Jul 2026758 AMAQI
20th Jul 2026769 AMAQI
20th Jul 20266010 AMAQI
20th Jul 20266111 AMAQI
20th Jul 20266212 PMAQI
20th Jul 2026671 PMAQI
20th Jul 2026692 PMAQI
20th Jul 2026563 PMAQI
20th Jul 2026604 PMAQI
20th Jul 2026575 PMAQI
20th Jul 2026366 PMAQI
20th Jul 2026347 PMAQI
20th Jul 2026338 PMAQI
20th Jul 2026359 PMAQI
20th Jul 20263710 PMAQI
20th Jul 20264111 PMAQI
21st Jul 20264812 AMAQI
21st Jul 2026471 AMAQI
21st Jul 2026482 AMAQI
21st Jul 2026463 AMAQI
21°C15/27°C
21st Jul 2026564 AMAQI
21st Jul 2026445 AMAQI
21st Jul 2026476 AMAQI
21st Jul 2026477 AMAQI
21st Jul 2026478 AMAQI
21st Jul 2026459 AMAQI
21st Jul 20265110 AMAQI
21st Jul 20266811 AMAQI
21st Jul 20266312 PMAQI
21st Jul 2026841 PMAQI
21st Jul 2026762 PMAQI
21st Jul 2026753 PMAQI
21st Jul 2026734 PMAQI
21st Jul 2026685 PMAQI
21st Jul 2026936 PMAQI
21st Jul 2026667 PMAQI
21st Jul 2026718 PMAQI
21st Jul 2026719 PMAQI
21st Jul 20267710 PMAQI
21st Jul 20268511 PMAQI
22nd Jul 20268312 AMAQI
22nd Jul 2026811 AMAQI
22nd Jul 2026772 AMAQI
22nd Jul 2026693 AMAQI
21°C13/29°C
22nd Jul 2026744 AMAQI
22nd Jul 2026675 AMAQI
22nd Jul 2026566 AMAQI
22nd Jul 2026627 AMAQI
22nd Jul 2026688 AMAQI
22nd Jul 2026749 AMAQI
22nd Jul 20266010 AMAQI
22nd Jul 20264411 AMAQI
22nd Jul 20264312 PMAQI
22nd Jul 2026281 PMAQI
22nd Jul 2026342 PMAQI
22nd Jul 2026343 PMAQI
22nd Jul 2026274 PMAQI
22nd Jul 2026325 PMAQI
22nd Jul 2026306 PMAQI
22nd Jul 2026337 PMAQI
22nd Jul 2026398 PMAQI
22nd Jul 2026439 PMAQI
22nd Jul 20264610 PMAQI
22nd Jul 20265311 PMAQI
23rd Jul 20264512 AMAQI
23rd Jul 2026531 AMAQI
23rd Jul 2026412 AMAQI
23rd Jul 2026373 AMAQI
22°C15/29°C
23rd Jul 2026524 AMAQI
23rd Jul 2026505 AMAQI
23rd Jul 2026616 AMAQI
23rd Jul 2026587 AMAQI
23rd Jul 2026678 AMAQI
23rd Jul 2026509 AMAQI
23rd Jul 20266310 AMAQI
23rd Jul 20267011 AMAQI
23rd Jul 20268712 PMAQI
23rd Jul 2026811 PMAQI
23rd Jul 2026782 PMAQI
23rd Jul 2026883 PMAQI
23rd Jul 2026984 PMAQI
23rd Jul 2026825 PMAQI
23rd Jul 2026906 PMAQI
23rd Jul 2026837 PMAQI
23rd Jul 2026948 PMAQI
23rd Jul 2026959 PMAQI
23rd Jul 20269710 PMAQI
23rd Jul 20269511 PMAQI
24th Jul 20268812 AMAQI
24th Jul 2026791 AMAQI
24th Jul 2026762 AMAQI
24th Jul 2026783 AMAQI
21°C18/25°C
24th Jul 2026764 AMAQI
24th Jul 2026735 AMAQI
24th Jul 2026716 AMAQI
24th Jul 2026707 AMAQI
24th Jul 2026738 AMAQI
24th Jul 2026849 AMAQI
24th Jul 20267410 AMAQI
24th Jul 20267111 AMAQI
24th Jul 20266912 PMAQI
24th Jul 2026551 PMAQI
24th Jul 2026552 PMAQI
24th Jul 2026473 PMAQI
24th Jul 2026414 PMAQI
24th Jul 2026345 PMAQI
24th Jul 2026396 PMAQI
24th Jul 2026427 PMAQI
24th Jul 2026448 PMAQI
24th Jul 2026479 PMAQI
24th Jul 20265610 PMAQI
24th Jul 20266211 PMAQI
25th Jul 20266612 AMAQI
25th Jul 2026631 AMAQI
25th Jul 2026682 AMAQI
25th Jul 2026613 AMAQI
22°C15/29°C
25th Jul 2026464 AMAQI
25th Jul 2026565 AMAQI
25th Jul 2026616 AMAQI
25th Jul 2026667 AMAQI
25th Jul 2026628 AMAQI
25th Jul 2026489 AMAQI
25th Jul 20265310 AMAQI
25th Jul 20265811 AMAQI
25th Jul 20265812 PMAQI
25th Jul 2026671 PMAQI
25th Jul 2026552 PMAQI
25th Jul 2026523 PMAQI
25th Jul 2026554 PMAQI
25th Jul 2026475 PMAQI
25th Jul 2026436 PMAQI
25th Jul 2026467 PMAQI
25th Jul 2026488 PMAQI
25th Jul 2026519 PMAQI
25th Jul 20265210 PMAQI
25th Jul 20265711 PMAQI
26th Jul 20265112 AMAQI
26th Jul 2026551 AMAQI
26th Jul 2026392 AMAQI
26th Jul 2026373 AMAQI
23°C16/30°C
26th Jul 2026364 AMAQI
26th Jul 2026395 AMAQI
26th Jul 2026466 AMAQI
26th Jul 2026367 AMAQI
26th Jul 2026358 AMAQI
26th Jul 2026359 AMAQI
26th Jul 20264810 AMAQI
26th Jul 20264411 AMAQI
26th Jul 20265112 PMAQI
26th Jul 2026471 PMAQI
26th Jul 2026442 PMAQI
26th Jul 2026413 PMAQI
26th Jul 2026404 PMAQI
26th Jul 2026405 PMAQI
26th Jul 2026366 PMAQI
26th Jul 2026367 PMAQI
26th Jul 2026388 PMAQI
26th Jul 2026499 PMAQI
26th Jul 20265810 PMAQI
26th Jul 20265911 PMAQI
27th Jul 20265612 AMAQI
27th Jul 2026471 AMAQI
27th Jul 2026452 AMAQI
27th Jul 2026513 AMAQI
24°C18/31°C
27th Jul 2026494 AMAQI
27th Jul 2026475 AMAQI
27th Jul 2026506 AMAQI
27th Jul 2026477 AMAQI
27th Jul 2026458 AMAQI
27th Jul 2026489 AMAQI
27th Jul 20264710 AMAQI
27th Jul 20265811 AMAQI
27th Jul 20267412 PMAQI
27th Jul 2026761 PMAQI
27th Jul 2026852 PMAQI
27th Jul 2026863 PMAQI
27th Jul 2026854 PMAQI
27th Jul 2026575 PMAQI
27th Jul 2026436 PMAQI
27th Jul 2026507 PMAQI
27th Jul 2026638 PMAQI
27th Jul 2026769 PMAQI
27th Jul 20268010 PMAQI
27th Jul 20268211 PMAQI
28th Jul 20267712 AMAQI
28th Jul 2026761 AMAQI
28th Jul 2026752 AMAQI
28th Jul 2026793 AMAQI
24°C18/31°C
28th Jul 2026744 AMAQI
4 AM28th Jul 2026725 AMAQI
28th Jul 2026736 AMAQI
28th Jul 2026727 AMAQI
28th Jul 2026658 AMAQI
28th Jul 2026699 AMAQI
28th Jul 20267410 AMAQI
28th Jul 20267211 AMAQI
11 AM28th Jul 20266312 PMAQI
28th Jul 2026591 PMAQI
28th Jul 2026452 PMAQI
28th Jul 2026363 PMAQI
28th Jul 2026354 PMAQI
28th Jul 2026355 PMAQI
28th Jul 2026356 PMAQI
28th Jul 2026357 PMAQI
7 PM28th Jul 2026418 PMAQI
28th Jul 2026489 PMAQI
28th Jul 20265710 PMAQI
28th Jul 20265611 PMAQI
11 PM3 AM
24°C18/32°C
Day time
Avg. Highest Time
11 AM - 12 PM
53AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
5 PM
42AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 12 PM (Avg. 53), while the lowest AQI was between 5 PM to 5 PM (Avg. 42).
Night time
Avg. Highest Time
11 PM
57AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
2 AM - 8 PM
50AQI
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. 57), while the lowest AQI was between 2 AM to 8 PM (Avg. 50).
2026 Days Vs Air Quality
Chengde, Hebei, China
2026
38%
80
49%
102
12%
26
0.4%
1
Total number of days with different AQI categories in last 209 days in 2026 (156 days remaining)
Good
80 DaysModerate
102 DaysPoor
26 DaysUnhealthy
1 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 38%
Health Risk Level:
High
In 2026, 38% of 209 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
Chengde, 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
60AQI (US)
60AQI (US)
2nd January 2026
62AQI (US)
62AQI (US)
3rd January 2026
92AQI (US)
92AQI (US)
4th January 2026
92AQI (US)
92AQI (US)
5th January 2026
62AQI (US)
62AQI (US)
6th January 2026
54AQI (US)
54AQI (US)
7th January 2026
43AQI (US)
43AQI (US)
8th January 2026
75AQI (US)
75AQI (US)
9th January 2026
117AQI (US)
117AQI (US)
10th January 2026
35AQI (US)
35AQI (US)
11th January 2026
28AQI (US)
28AQI (US)
12th January 2026
62AQI (US)
62AQI (US)
13th January 2026
40AQI (US)
40AQI (US)
14th January 2026
88AQI (US)
88AQI (US)
15th January 2026
143AQI (US)
143AQI (US)
16th January 2026
95AQI (US)
95AQI (US)
17th January 2026
35AQI (US)
35AQI (US)
18th January 2026
68AQI (US)
68AQI (US)
19th January 2026
31AQI (US)
31AQI (US)
20th January 2026
31AQI (US)
31AQI (US)
21st January 2026
39AQI (US)
39AQI (US)
22nd January 2026
60AQI (US)
60AQI (US)
23rd January 2026
66AQI (US)
66AQI (US)
24th January 2026
54AQI (US)
54AQI (US)
25th January 2026
48AQI (US)
48AQI (US)
26th January 2026
70AQI (US)
70AQI (US)
27th January 2026
43AQI (US)
43AQI (US)
28th January 2026
82AQI (US)
82AQI (US)
29th January 2026
98AQI (US)
98AQI (US)
30th January 2026
106AQI (US)
106AQI (US)
31st January 2026
79AQI (US)
79AQI (US)
1st February 2026
54AQI (US)
54AQI (US)
2nd February 2026
32AQI (US)
32AQI (US)
3rd February 2026
83AQI (US)
83AQI (US)
4th February 2026
134AQI (US)
134AQI (US)
5th February 2026
85AQI (US)
85AQI (US)
6th February 2026
27AQI (US)
27AQI (US)
7th February 2026
26AQI (US)
26AQI (US)
8th February 2026
35AQI (US)
35AQI (US)
9th February 2026
81AQI (US)
81AQI (US)
10th February 2026
92AQI (US)
92AQI (US)
11th February 2026
50AQI (US)
50AQI (US)
12th February 2026
93AQI (US)
93AQI (US)
13th February 2026
98AQI (US)
98AQI (US)
14th February 2026
102AQI (US)
102AQI (US)
15th February 2026
30AQI (US)
30AQI (US)
16th February 2026
41AQI (US)
41AQI (US)
17th February 2026
90AQI (US)
90AQI (US)
18th February 2026
46AQI (US)
46AQI (US)
19th February 2026
76AQI (US)
76AQI (US)
20th February 2026
99AQI (US)
99AQI (US)
21st February 2026
115AQI (US)
115AQI (US)
22nd February 2026
56AQI (US)
56AQI (US)
23rd February 2026
38AQI (US)
38AQI (US)
24th February 2026
72AQI (US)
72AQI (US)
25th February 2026
127AQI (US)
127AQI (US)
26th February 2026
104AQI (US)
104AQI (US)
27th February 2026
88AQI (US)
88AQI (US)
28th February 2026
100AQI (US)
100AQI (US)
1st March 2026
107AQI (US)
107AQI (US)
2nd March 2026
141AQI (US)
141AQI (US)
3rd March 2026
108AQI (US)
108AQI (US)
4th March 2026
94AQI (US)
94AQI (US)
5th March 2026
107AQI (US)
107AQI (US)
6th March 2026
49AQI (US)
49AQI (US)
7th March 2026
80AQI (US)
80AQI (US)
8th March 2026
108AQI (US)
108AQI (US)
9th March 2026
31AQI (US)
31AQI (US)
10th March 2026
75AQI (US)
75AQI (US)
11th March 2026
63AQI (US)
63AQI (US)
12th March 2026
107AQI (US)
107AQI (US)
13th March 2026
149AQI (US)
149AQI (US)
14th March 2026
77AQI (US)
77AQI (US)
15th March 2026
70AQI (US)
70AQI (US)
16th March 2026
85AQI (US)
85AQI (US)
17th March 2026
133AQI (US)
133AQI (US)
18th March 2026
58AQI (US)
58AQI (US)
19th March 2026
45AQI (US)
45AQI (US)
20th March 2026
62AQI (US)
62AQI (US)
21st March 2026
97AQI (US)
97AQI (US)
22nd March 2026
115AQI (US)
115AQI (US)
23rd March 2026
149AQI (US)
149AQI (US)
24th March 2026
152AQI (US)
152AQI (US)
25th March 2026
142AQI (US)
142AQI (US)
26th March 2026
110AQI (US)
110AQI (US)
27th March 2026
37AQI (US)
37AQI (US)
28th March 2026
72AQI (US)
72AQI (US)
29th March 2026
98AQI (US)
98AQI (US)
30th March 2026
43AQI (US)
43AQI (US)
31st March 2026
49AQI (US)
49AQI (US)
1st April 2026
38AQI (US)
38AQI (US)
2nd April 2026
67AQI (US)
67AQI (US)
3rd April 2026
98AQI (US)
98AQI (US)
4th April 2026
84AQI (US)
84AQI (US)
5th April 2026
57AQI (US)
57AQI (US)
6th April 2026
30AQI (US)
30AQI (US)
7th April 2026
36AQI (US)
36AQI (US)
8th April 2026
75AQI (US)
75AQI (US)
9th April 2026
82AQI (US)
82AQI (US)
10th April 2026
37AQI (US)
37AQI (US)
11th April 2026
46AQI (US)
46AQI (US)
12th April 2026
64AQI (US)
64AQI (US)
13th April 2026
49AQI (US)
49AQI (US)
14th April 2026
93AQI (US)
93AQI (US)
15th April 2026
128AQI (US)
128AQI (US)
16th April 2026
129AQI (US)
129AQI (US)
17th April 2026
69AQI (US)
69AQI (US)
18th April 2026
111AQI (US)
111AQI (US)
19th April 2026
87AQI (US)
87AQI (US)
20th April 2026
68AQI (US)
68AQI (US)
21st April 2026
51AQI (US)
51AQI (US)
22nd April 2026
62AQI (US)
62AQI (US)
23rd April 2026
81AQI (US)
81AQI (US)
24th April 2026
95AQI (US)
95AQI (US)
25th April 2026
75AQI (US)
75AQI (US)
26th April 2026
61AQI (US)
61AQI (US)
27th April 2026
45AQI (US)
45AQI (US)
28th April 2026
26AQI (US)
26AQI (US)
29th April 2026
21AQI (US)
21AQI (US)
30th April 2026
33AQI (US)
33AQI (US)
1st May 2026
47AQI (US)
47AQI (US)
2nd May 2026
55AQI (US)
55AQI (US)
3rd May 2026
19AQI (US)
19AQI (US)
4th May 2026
27AQI (US)
27AQI (US)
5th May 2026
62AQI (US)
62AQI (US)
6th May 2026
57AQI (US)
57AQI (US)
7th May 2026
26AQI (US)
26AQI (US)
8th May 2026
36AQI (US)
36AQI (US)
9th May 2026
68AQI (US)
68AQI (US)
10th May 2026
74AQI (US)
74AQI (US)
11th May 2026
44AQI (US)
44AQI (US)
12th May 2026
68AQI (US)
68AQI (US)
13th May 2026
116AQI (US)
116AQI (US)
14th May 2026
131AQI (US)
131AQI (US)
15th May 2026
114AQI (US)
114AQI (US)
16th May 2026
78AQI (US)
78AQI (US)
17th May 2026
67AQI (US)
67AQI (US)
18th May 2026
63AQI (US)
63AQI (US)
19th May 2026
62AQI (US)
62AQI (US)
20th May 2026
71AQI (US)
71AQI (US)
21st May 2026
78AQI (US)
78AQI (US)
22nd May 2026
88AQI (US)
88AQI (US)
23rd May 2026
85AQI (US)
85AQI (US)
24th May 2026
77AQI (US)
77AQI (US)
25th May 2026
73AQI (US)
73AQI (US)
26th May 2026
54AQI (US)
54AQI (US)
27th May 2026
50AQI (US)
50AQI (US)
28th May 2026
31AQI (US)
31AQI (US)
29th May 2026
21AQI (US)
21AQI (US)
30th May 2026
34AQI (US)
34AQI (US)
31st May 2026
55AQI (US)
55AQI (US)
1st June 2026
39AQI (US)
39AQI (US)
2nd June 2026
86AQI (US)
86AQI (US)
3rd June 2026
40AQI (US)
40AQI (US)
4th June 2026
30AQI (US)
30AQI (US)
5th June 2026
31AQI (US)
31AQI (US)
6th June 2026
34AQI (US)
34AQI (US)
7th June 2026
31AQI (US)
31AQI (US)
8th June 2026
30AQI (US)
30AQI (US)
9th June 2026
30AQI (US)
30AQI (US)
10th June 2026
35AQI (US)
35AQI (US)
11th June 2026
30AQI (US)
30AQI (US)
12th June 2026
38AQI (US)
38AQI (US)
13th June 2026
74AQI (US)
74AQI (US)
14th June 2026
40AQI (US)
40AQI (US)
15th June 2026
91AQI (US)
91AQI (US)
16th June 2026
94AQI (US)
94AQI (US)
17th June 2026
43AQI (US)
43AQI (US)
18th June 2026
67AQI (US)
67AQI (US)
19th June 2026
96AQI (US)
96AQI (US)
20th June 2026
36AQI (US)
36AQI (US)
21st June 2026
25AQI (US)
25AQI (US)
22nd June 2026
39AQI (US)
39AQI (US)
23rd June 2026
38AQI (US)
38AQI (US)
24th June 2026
63AQI (US)
63AQI (US)
25th June 2026
23AQI (US)
23AQI (US)
26th June 2026
33AQI (US)
33AQI (US)
27th June 2026
55AQI (US)
55AQI (US)
28th June 2026
82AQI (US)
82AQI (US)
29th June 2026
83AQI (US)
83AQI (US)
30th June 2026
58AQI (US)
58AQI (US)
1st July 2026
44AQI (US)
44AQI (US)
2nd July 2026
71AQI (US)
71AQI (US)
3rd July 2026
74AQI (US)
74AQI (US)
4th July 2026
79AQI (US)
79AQI (US)
5th July 2026
29AQI (US)
29AQI (US)
6th July 2026
36AQI (US)
36AQI (US)
7th July 2026
42AQI (US)
42AQI (US)
8th July 2026
34AQI (US)
34AQI (US)
9th July 2026
51AQI (US)
51AQI (US)
10th July 2026
40AQI (US)
40AQI (US)
11th July 2026
24AQI (US)
24AQI (US)
12th July 2026
19AQI (US)
19AQI (US)
13th July 2026
44AQI (US)
44AQI (US)
14th July 2026
39AQI (US)
39AQI (US)
15th July 2026
34AQI (US)
34AQI (US)
16th July 2026
33AQI (US)
33AQI (US)
17th July 2026
49AQI (US)
49AQI (US)
18th July 2026
42AQI (US)
42AQI (US)
19th July 2026
40AQI (US)
40AQI (US)
20th July 2026
60AQI (US)
60AQI (US)
21st July 2026
62AQI (US)
62AQI (US)
22nd July 2026
52AQI (US)
52AQI (US)
23rd July 2026
71AQI (US)
71AQI (US)
24th July 2026
63AQI (US)
63AQI (US)
25th July 2026
56AQI (US)
56AQI (US)
26th July 2026
43AQI (US)
43AQI (US)
27th July 2026
60AQI (US)
60AQI (US)
28th July 2026
59AQI (US)
59AQI (US)
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
66AQI (US)
74AQI (US)
91AQI (US)
67AQI (US)
62AQI (US)
50AQI (US)
48AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202666AQI (US)
10
18
3
9
14
5
6
12
12
1
10
17
3
10
18
3
19
11
16
12
80
102
26
1
Highest AQI (US) recorded in
March91AQI (US)
Lowest AQI (US) recorded in
July48AQI (US)
202573AQI (US)
23
7
1
4
20
4
24
6
1
1
29
29
2
1
29
31
31
3
27
1
25
3
2
5
19
5
1
5
13
13
20
300
40
5
Highest AQI (US) recorded in
January87AQI (US)
Lowest AQI (US) recorded in
August59AQI (US)
202472AQI (US)
4
19
6
2
4
15
9
1
4
19
8
6
20
4
5
24
2
30
6
25
18
13
18
12
9
16
5
1
3
18
7
2
2
27
2
79
238
43
6
Highest AQI (US) recorded in
November87AQI (US)
Lowest AQI (US) recorded in
August51AQI (US)
202380AQI (US)
1
16
12
2
15
9
4
1
17
9
3
1
1
19
6
1
3
2
25
3
1
12
15
3
10
19
2
17
14
15
12
3
13
13
1
4
9
16
1
3
6
14
11
87
195
60
17
5
Highest AQI (US) recorded in
February100AQI (US)
Lowest AQI (US) recorded in
August54AQI (US)
202278AQI (US)
14
13
3
2
19
2
3
20
7
1
5
18
5
2
10
20
1
6
18
6
5
19
1
4
8
16
5
12
8
11
1
17
9
3
2
22
6
1
55
195
65
10
Highest AQI (US) recorded in
January106AQI (US)
Lowest AQI (US) recorded in
July61AQI (US)
202170AQI (US)
2
16
9
4
4
13
8
3
1
11
8
9
2
4
20
6
8
18
3
2
9
20
1
24
7
30
1
30
24
7
6
16
7
1
4
16
11
146
145
53
17
2
2
Highest AQI (US) recorded in
March130AQI (US)
Lowest AQI (US) recorded in
September31AQI (US)
202074AQI (US)
2
8
2
1
4
15
2
7
7
4
3
23
4
25
6
4
25
2
17
11
2
11
14
5
1
6
15
8
1
5
17
9
59
160
44
3
Highest AQI (US) recorded in
July84AQI (US)
Lowest AQI (US) recorded in
September56AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2023(Avg.)
80AQI (US)Least Polluted Year Recorded
2026(Avg.)
66AQI (US)Chengde's annual 2026 AQI (US) (66) shows an average percentage change of -11.2% (improved AQI (US)) compared to previous years: 2020 (74), 2021 (70), 2022 (78), 2023 (80), 2024 (72), 2025 (73).
