Changping, Beijing, 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
Changping, Beijing, China
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Jul 2023
110AQILowest AQI recorded on
30th Jul 2023
17AQISame Day Analysis (25th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 83 of Moderate air quality on the same day.
Day & Night AQI Trend: 24th Jul - 25th Jul 2026
Changping, Beijing, China
AQI
Day
Night
.
4 AM24th Jul 2026
7 PM
3 AM25th Jul 2026
Day time
Avg. Highest Time
8AM24th Jul
64AQI
Avg. Lowest Time
2PM24th Jul
37AQI
Night time
Avg. Highest Time
11PM24th Jul
79AQI
Avg. Lowest Time
4AM24th Jul
60AQI
In the last 24 hours,
Changping's AQI reached its highest point of 79 at 11 PM during the Night, while the lowest point, 37, was recorded at 2 PM during the Day between 24th Jul and 25th Jul 2026.
Day & Night AQI Trend : Jun - Jul 2026
Changping, Beijing, China
JunJul
26th - 27th27th - 28th28th - 29th29th - 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
Day
Night
26th Jun 2026224 AMAQI
26th Jun 2026225 AMAQI
26th Jun 2026226 AMAQI
26th Jun 2026217 AMAQI
26th Jun 2026218 AMAQI
26th Jun 2026279 AMAQI
26th Jun 20262910 AMAQI
26th Jun 20262811 AMAQI
26th Jun 20262412 PMAQI
26th Jun 2026191 PMAQI
26th Jun 2026172 PMAQI
26th Jun 2026263 PMAQI
26th Jun 2026294 PMAQI
26th Jun 2026275 PMAQI
26th Jun 2026266 PMAQI
26th Jun 2026287 PMAQI
26th Jun 2026408 PMAQI
26th Jun 2026449 PMAQI
26th Jun 20264710 PMAQI
26th Jun 20264411 PMAQI
27th Jun 20264012 AMAQI
27th Jun 2026371 AMAQI
27th Jun 2026382 AMAQI
27th Jun 2026383 AMAQI
23°C17/30°C
27th Jun 2026394 AMAQI
27th Jun 2026455 AMAQI
27th Jun 2026366 AMAQI
27th Jun 2026407 AMAQI
27th Jun 2026608 AMAQI
27th Jun 2026589 AMAQI
27th Jun 20265710 AMAQI
27th Jun 20266211 AMAQI
27th Jun 20264912 PMAQI
27th Jun 2026481 PMAQI
27th Jun 2026442 PMAQI
27th Jun 2026423 PMAQI
27th Jun 2026364 PMAQI
27th Jun 2026425 PMAQI
27th Jun 2026476 PMAQI
27th Jun 2026497 PMAQI
27th Jun 2026568 PMAQI
27th Jun 2026629 PMAQI
27th Jun 20266610 PMAQI
27th Jun 20266711 PMAQI
28th Jun 20266612 AMAQI
28th Jun 2026671 AMAQI
28th Jun 2026682 AMAQI
28th Jun 2026613 AMAQI
22°C17/32°C
28th Jun 2026644 AMAQI
28th Jun 2026635 AMAQI
28th Jun 2026656 AMAQI
28th Jun 2026667 AMAQI
28th Jun 2026668 AMAQI
28th Jun 2026659 AMAQI
28th Jun 20266610 AMAQI
28th Jun 20267011 AMAQI
28th Jun 20267212 PMAQI
28th Jun 2026651 PMAQI
28th Jun 2026582 PMAQI
28th Jun 2026623 PMAQI
28th Jun 2026694 PMAQI
28th Jun 2026865 PMAQI
28th Jun 2026946 PMAQI
28th Jun 20261047 PMAQI
28th Jun 20261048 PMAQI
28th Jun 20261039 PMAQI
28th Jun 202611710 PMAQI
28th Jun 20268111 PMAQI
29th Jun 20267212 AMAQI
29th Jun 20261441 AMAQI
29th Jun 20261442 AMAQI
29th Jun 20261493 AMAQI
22°C15/30°C
29th Jun 20261494 AMAQI
29th Jun 20261485 AMAQI
29th Jun 20261036 AMAQI
29th Jun 2026717 AMAQI
29th Jun 2026678 AMAQI
29th Jun 2026529 AMAQI
29th Jun 20264910 AMAQI
29th Jun 20264011 AMAQI
29th Jun 20263212 PMAQI
29th Jun 2026241 PMAQI
29th Jun 2026222 PMAQI
29th Jun 2026263 PMAQI
29th Jun 2026344 PMAQI
29th Jun 2026455 PMAQI
29th Jun 2026616 PMAQI
29th Jun 2026737 PMAQI
29th Jun 2026778 PMAQI
29th Jun 2026849 PMAQI
29th Jun 20269410 PMAQI
29th Jun 202610111 PMAQI
30th Jun 202610512 AMAQI
30th Jun 20261131 AMAQI
30th Jun 20261202 AMAQI
30th Jun 20261053 AMAQI
22°C17/28°C
30th Jun 2026614 AMAQI
30th Jun 2026385 AMAQI
30th Jun 2026286 AMAQI
30th Jun 2026197 AMAQI
30th Jun 2026228 AMAQI
30th Jun 2026279 AMAQI
30th Jun 20262410 AMAQI
30th Jun 20263411 AMAQI
30th Jun 20262712 PMAQI
30th Jun 2026191 PMAQI
30th Jun 2026122 PMAQI
30th Jun 2026123 PMAQI
30th Jun 2026134 PMAQI
30th Jun 2026155 PMAQI
30th Jun 2026186 PMAQI
30th Jun 2026197 PMAQI
30th Jun 2026238 PMAQI
30th Jun 2026289 PMAQI
30th Jun 20263310 PMAQI
30th Jun 20263411 PMAQI
1st Jul 20263012 AMAQI
1st Jul 2026301 AMAQI
1st Jul 2026372 AMAQI
1st Jul 2026343 AMAQI
21°C16/27°C
1st Jul 2026374 AMAQI
1st Jul 2026415 AMAQI
1st Jul 2026436 AMAQI
1st Jul 2026477 AMAQI
1st Jul 2026478 AMAQI
1st Jul 2026489 AMAQI
1st Jul 20264910 AMAQI
1st Jul 20265311 AMAQI
1st Jul 20264912 PMAQI
1st Jul 2026441 PMAQI
1st Jul 2026422 PMAQI
1st Jul 2026413 PMAQI
1st Jul 2026414 PMAQI
1st Jul 2026495 PMAQI
1st Jul 2026546 PMAQI
1st Jul 2026597 PMAQI
1st Jul 2026688 PMAQI
1st Jul 2026739 PMAQI
1st Jul 20267810 PMAQI
1st Jul 20268011 PMAQI
2nd Jul 20266912 AMAQI
2nd Jul 2026761 AMAQI
2nd Jul 2026782 AMAQI
2nd Jul 2026633 AMAQI
22°C15/30°C
2nd Jul 2026694 AMAQI
2nd Jul 2026735 AMAQI
2nd Jul 2026736 AMAQI
2nd Jul 2026727 AMAQI
2nd Jul 2026748 AMAQI
2nd Jul 2026759 AMAQI
2nd Jul 20266410 AMAQI
2nd Jul 20267811 AMAQI
2nd Jul 20267912 PMAQI
2nd Jul 2026701 PMAQI
2nd Jul 2026532 PMAQI
2nd Jul 2026433 PMAQI
2nd Jul 2026454 PMAQI
2nd Jul 2026625 PMAQI
2nd Jul 2026826 PMAQI
2nd Jul 2026907 PMAQI
2nd Jul 2026928 PMAQI
2nd Jul 20261109 PMAQI
2nd Jul 202612210 PMAQI
2nd Jul 20268511 PMAQI
3rd Jul 20265212 AMAQI
3rd Jul 2026341 AMAQI
3rd Jul 2026322 AMAQI
3rd Jul 2026503 AMAQI
24°C17/32°C
3rd Jul 2026634 AMAQI
3rd Jul 2026685 AMAQI
3rd Jul 2026636 AMAQI
3rd Jul 2026607 AMAQI
3rd Jul 2026658 AMAQI
3rd Jul 2026729 AMAQI
3rd Jul 20267410 AMAQI
3rd Jul 20267911 AMAQI
3rd Jul 20268112 PMAQI
3rd Jul 2026811 PMAQI
3rd Jul 2026772 PMAQI
3rd Jul 2026833 PMAQI
3rd Jul 2026904 PMAQI
3rd Jul 2026935 PMAQI
3rd Jul 2026896 PMAQI
3rd Jul 20261017 PMAQI
3rd Jul 20261078 PMAQI
3rd Jul 2026909 PMAQI
3rd Jul 20265810 PMAQI
3rd Jul 20263011 PMAQI
4th Jul 20262212 AMAQI
4th Jul 2026231 AMAQI
4th Jul 2026302 AMAQI
4th Jul 2026363 AMAQI
26°C19/35°C
4th Jul 2026374 AMAQI
4th Jul 2026415 AMAQI
4th Jul 2026446 AMAQI
4th Jul 2026457 AMAQI
4th Jul 2026508 AMAQI
4th Jul 2026579 AMAQI
4th Jul 20266010 AMAQI
4th Jul 20265511 AMAQI
4th Jul 20265112 PMAQI
4th Jul 2026471 PMAQI
4th Jul 2026482 PMAQI
4th Jul 2026473 PMAQI
4th Jul 2026444 PMAQI
4th Jul 2026465 PMAQI
4th Jul 2026486 PMAQI
4th Jul 2026527 PMAQI
4th Jul 2026648 PMAQI
4th Jul 2026769 PMAQI
4th Jul 20268510 PMAQI
4th Jul 20267611 PMAQI
5th Jul 20267112 AMAQI
5th Jul 2026501 AMAQI
5th Jul 2026162 AMAQI
5th Jul 2026153 AMAQI
25°C18/33°C
5th Jul 2026134 AMAQI
5th Jul 2026125 AMAQI
5th Jul 2026156 AMAQI
5th Jul 2026177 AMAQI
5th Jul 2026178 AMAQI
5th Jul 2026189 AMAQI
5th Jul 20261410 AMAQI
5th Jul 20261111 AMAQI
5th Jul 20261012 PMAQI
5th Jul 2026101 PMAQI
5th Jul 2026112 PMAQI
5th Jul 2026123 PMAQI
5th Jul 2026134 PMAQI
5th Jul 2026155 PMAQI
5th Jul 2026186 PMAQI
5th Jul 2026227 PMAQI
5th Jul 2026248 PMAQI
5th Jul 2026239 PMAQI
5th Jul 20261810 PMAQI
5th Jul 20261811 PMAQI
6th Jul 20261812 AMAQI
6th Jul 2026191 AMAQI
6th Jul 2026192 AMAQI
6th Jul 2026203 AMAQI
22°C17/30°C
6th Jul 2026224 AMAQI
6th Jul 2026215 AMAQI
6th Jul 2026226 AMAQI
6th Jul 2026197 AMAQI
6th Jul 2026218 AMAQI
6th Jul 2026219 AMAQI
6th Jul 20262310 AMAQI
6th Jul 20261811 AMAQI
6th Jul 20261912 PMAQI
6th Jul 2026171 PMAQI
6th Jul 2026202 PMAQI
6th Jul 2026233 PMAQI
6th Jul 2026294 PMAQI
6th Jul 2026445 PMAQI
6th Jul 2026606 PMAQI
6th Jul 2026597 PMAQI
6th Jul 2026618 PMAQI
6th Jul 2026499 PMAQI
6th Jul 20263910 PMAQI
6th Jul 20262911 PMAQI
7th Jul 20263112 AMAQI
7th Jul 2026331 AMAQI
7th Jul 2026332 AMAQI
7th Jul 2026403 AMAQI
22°C16/30°C
7th Jul 2026344 AMAQI
7th Jul 2026285 AMAQI
7th Jul 2026266 AMAQI
7th Jul 2026367 AMAQI
7th Jul 2026398 AMAQI
7th Jul 2026409 AMAQI
7th Jul 20263410 AMAQI
7th Jul 20262911 AMAQI
7th Jul 20262612 PMAQI
7th Jul 2026261 PMAQI
7th Jul 2026282 PMAQI
7th Jul 2026303 PMAQI
7th Jul 2026314 PMAQI
7th Jul 2026445 PMAQI
7th Jul 2026576 PMAQI
7th Jul 2026217 PMAQI
7th Jul 2026198 PMAQI
7th Jul 2026229 PMAQI
7th Jul 20261810 PMAQI
7th Jul 20261511 PMAQI
8th Jul 20261612 AMAQI
8th Jul 2026251 AMAQI
8th Jul 2026302 AMAQI
8th Jul 2026303 AMAQI
22°C16/30°C
8th Jul 2026244 AMAQI
8th Jul 2026255 AMAQI
8th Jul 2026236 AMAQI
8th Jul 2026317 AMAQI
8th Jul 2026358 AMAQI
8th Jul 2026409 AMAQI
8th Jul 20264210 AMAQI
8th Jul 20264411 AMAQI
8th Jul 20263612 PMAQI
8th Jul 2026321 PMAQI
8th Jul 2026282 PMAQI
8th Jul 2026313 PMAQI
8th Jul 2026494 PMAQI
8th Jul 2026445 PMAQI
8th Jul 2026556 PMAQI
8th Jul 2026547 PMAQI
8th Jul 2026608 PMAQI
8th Jul 2026659 PMAQI
8th Jul 20267110 PMAQI
8th Jul 20267411 PMAQI
9th Jul 20267512 AMAQI
9th Jul 2026701 AMAQI
9th Jul 2026692 AMAQI
9th Jul 2026713 AMAQI
23°C16/32°C
9th Jul 2026704 AMAQI
9th Jul 2026735 AMAQI
9th Jul 2026766 AMAQI
9th Jul 2026797 AMAQI
9th Jul 2026878 AMAQI
9th Jul 2026909 AMAQI
9th Jul 20267510 AMAQI
9th Jul 20266811 AMAQI
9th Jul 20268512 PMAQI
9th Jul 2026771 PMAQI
9th Jul 2026662 PMAQI
9th Jul 2026433 PMAQI
9th Jul 2026344 PMAQI
9th Jul 2026355 PMAQI
9th Jul 2026376 PMAQI
9th Jul 2026407 PMAQI
9th Jul 2026408 PMAQI
9th Jul 2026399 PMAQI
9th Jul 20263710 PMAQI
9th Jul 20264011 PMAQI
10th Jul 20263312 AMAQI
10th Jul 2026321 AMAQI
10th Jul 2026392 AMAQI
10th Jul 2026513 AMAQI
24°C17/33°C
10th Jul 2026614 AMAQI
10th Jul 2026725 AMAQI
10th Jul 2026716 AMAQI
10th Jul 2026707 AMAQI
10th Jul 2026658 AMAQI
10th Jul 2026719 AMAQI
10th Jul 20267710 AMAQI
10th Jul 20267311 AMAQI
10th Jul 20267412 PMAQI
10th Jul 2026731 PMAQI
10th Jul 2026642 PMAQI
10th Jul 2026493 PMAQI
10th Jul 2026404 PMAQI
10th Jul 2026345 PMAQI
10th Jul 2026336 PMAQI
10th Jul 2026267 PMAQI
10th Jul 2026238 PMAQI
10th Jul 2026269 PMAQI
10th Jul 20262710 PMAQI
10th Jul 20263211 PMAQI
11th Jul 20263012 AMAQI
11th Jul 2026291 AMAQI
11th Jul 2026352 AMAQI
11th Jul 2026433 AMAQI
23°C20/27°C
11th Jul 2026474 AMAQI
11th Jul 2026415 AMAQI
11th Jul 2026436 AMAQI
11th Jul 2026537 AMAQI
11th Jul 2026598 AMAQI
11th Jul 2026599 AMAQI
11th Jul 20265810 AMAQI
11th Jul 20265611 AMAQI
11th Jul 20265612 PMAQI
11th Jul 2026521 PMAQI
11th Jul 2026512 PMAQI
11th Jul 2026443 PMAQI
11th Jul 2026484 PMAQI
11th Jul 2026525 PMAQI
11th Jul 2026576 PMAQI
11th Jul 2026487 PMAQI
11th Jul 2026488 PMAQI
11th Jul 2026349 PMAQI
11th Jul 20261810 PMAQI
11th Jul 20261211 PMAQI
12th Jul 2026912 AMAQI
12th Jul 2026101 AMAQI
12th Jul 2026112 AMAQI
12th Jul 2026123 AMAQI
23°C22/25°C
12th Jul 2026144 AMAQI
12th Jul 2026155 AMAQI
12th Jul 2026146 AMAQI
12th Jul 2026167 AMAQI
12th Jul 2026148 AMAQI
12th Jul 2026149 AMAQI
12th Jul 20262010 AMAQI
12th Jul 20262511 AMAQI
12th Jul 20262612 PMAQI
12th Jul 2026281 PMAQI
12th Jul 2026322 PMAQI
12th Jul 2026383 PMAQI
12th Jul 2026354 PMAQI
12th Jul 2026405 PMAQI
12th Jul 2026406 PMAQI
12th Jul 2026357 PMAQI
12th Jul 2026398 PMAQI
12th Jul 2026389 PMAQI
12th Jul 20264310 PMAQI
12th Jul 20264911 PMAQI
13th Jul 20264912 AMAQI
13th Jul 2026501 AMAQI
13th Jul 2026482 AMAQI
13th Jul 2026463 AMAQI
25°C20/31°C
13th Jul 2026444 AMAQI
13th Jul 2026445 AMAQI
13th Jul 2026436 AMAQI
13th Jul 2026407 AMAQI
13th Jul 2026448 AMAQI
13th Jul 2026509 AMAQI
13th Jul 20265510 AMAQI
13th Jul 20265811 AMAQI
13th Jul 20265512 PMAQI
13th Jul 2026551 PMAQI
13th Jul 2026562 PMAQI
13th Jul 2026603 PMAQI
13th Jul 2026634 PMAQI
13th Jul 2026605 PMAQI
13th Jul 2026676 PMAQI
13th Jul 2026637 PMAQI
13th Jul 2026668 PMAQI
13th Jul 2026699 PMAQI
13th Jul 20268010 PMAQI
13th Jul 20268111 PMAQI
14th Jul 20267112 AMAQI
14th Jul 2026621 AMAQI
14th Jul 2026632 AMAQI
14th Jul 2026593 AMAQI
25°C18/32°C
14th Jul 2026614 AMAQI
14th Jul 2026615 AMAQI
14th Jul 2026496 AMAQI
14th Jul 2026457 AMAQI
14th Jul 2026398 AMAQI
14th Jul 2026369 AMAQI
14th Jul 20262910 AMAQI
14th Jul 20262311 AMAQI
14th Jul 20261912 PMAQI
14th Jul 2026211 PMAQI
14th Jul 2026192 PMAQI
14th Jul 2026143 PMAQI
14th Jul 2026114 PMAQI
14th Jul 2026135 PMAQI
14th Jul 2026156 PMAQI
14th Jul 2026167 PMAQI
14th Jul 2026198 PMAQI
14th Jul 2026229 PMAQI
14th Jul 20262310 PMAQI
14th Jul 20262511 PMAQI
15th Jul 20262512 AMAQI
15th Jul 2026261 AMAQI
15th Jul 2026272 AMAQI
15th Jul 2026243 AMAQI
26°C20/32°C
15th Jul 2026254 AMAQI
15th Jul 2026265 AMAQI
15th Jul 2026286 AMAQI
15th Jul 2026287 AMAQI
15th Jul 2026338 AMAQI
15th Jul 2026349 AMAQI
15th Jul 20263510 AMAQI
15th Jul 20263211 AMAQI
15th Jul 20263112 PMAQI
15th Jul 2026241 PMAQI
15th Jul 2026272 PMAQI
15th Jul 2026303 PMAQI
15th Jul 2026324 PMAQI
15th Jul 2026385 PMAQI
15th Jul 2026366 PMAQI
15th Jul 2026417 PMAQI
15th Jul 2026538 PMAQI
15th Jul 2026639 PMAQI
15th Jul 20267010 PMAQI
15th Jul 20265911 PMAQI
16th Jul 20265412 AMAQI
16th Jul 2026511 AMAQI
16th Jul 2026562 AMAQI
16th Jul 2026543 AMAQI
25°C17/34°C
16th Jul 2026514 AMAQI
16th Jul 2026435 AMAQI
16th Jul 2026366 AMAQI
16th Jul 2026327 AMAQI
16th Jul 2026318 AMAQI
16th Jul 2026289 AMAQI
16th Jul 20262810 AMAQI
16th Jul 20262611 AMAQI
16th Jul 20262312 PMAQI
16th Jul 2026191 PMAQI
16th Jul 2026192 PMAQI
16th Jul 2026193 PMAQI
16th Jul 2026194 PMAQI
16th Jul 2026245 PMAQI
16th Jul 2026356 PMAQI
16th Jul 2026507 PMAQI
16th Jul 2026468 PMAQI
16th Jul 2026589 PMAQI
16th Jul 20265210 PMAQI
16th Jul 20265211 PMAQI
17th Jul 20265512 AMAQI
17th Jul 2026751 AMAQI
17th Jul 2026702 AMAQI
17th Jul 2026733 AMAQI
25°C20/32°C
17th Jul 2026684 AMAQI
17th Jul 2026635 AMAQI
17th Jul 2026626 AMAQI
17th Jul 2026627 AMAQI
17th Jul 2026618 AMAQI
17th Jul 2026599 AMAQI
17th Jul 20265710 AMAQI
17th Jul 20265611 AMAQI
17th Jul 20264912 PMAQI
17th Jul 2026361 PMAQI
17th Jul 2026172 PMAQI
17th Jul 2026233 PMAQI
17th Jul 2026234 PMAQI
17th Jul 2026235 PMAQI
17th Jul 2026216 PMAQI
17th Jul 2026217 PMAQI
17th Jul 2026248 PMAQI
17th Jul 2026299 PMAQI
17th Jul 20262910 PMAQI
17th Jul 20263211 PMAQI
18th Jul 20263612 AMAQI
18th Jul 2026411 AMAQI
18th Jul 2026422 AMAQI
18th Jul 2026433 AMAQI
24°C20/31°C
18th Jul 2026474 AMAQI
18th Jul 2026515 AMAQI
18th Jul 2026516 AMAQI
18th Jul 2026517 AMAQI
18th Jul 2026538 AMAQI
18th Jul 2026649 AMAQI
18th Jul 20267110 AMAQI
18th Jul 20267111 AMAQI
18th Jul 20266412 PMAQI
18th Jul 2026511 PMAQI
18th Jul 2026412 PMAQI
18th Jul 2026453 PMAQI
18th Jul 2026464 PMAQI
18th Jul 2026515 PMAQI
18th Jul 2026486 PMAQI
18th Jul 2026507 PMAQI
18th Jul 2026498 PMAQI
18th Jul 2026529 PMAQI
18th Jul 20265410 PMAQI
18th Jul 20265911 PMAQI
19th Jul 20265712 AMAQI
19th Jul 2026571 AMAQI
19th Jul 2026582 AMAQI
19th Jul 2026603 AMAQI
22°C16/28°C
19th Jul 2026644 AMAQI
19th Jul 2026665 AMAQI
19th Jul 2026706 AMAQI
19th Jul 2026717 AMAQI
19th Jul 2026688 AMAQI
19th Jul 2026629 AMAQI
19th Jul 20265210 AMAQI
19th Jul 20264311 AMAQI
19th Jul 20264012 PMAQI
19th Jul 2026351 PMAQI
19th Jul 2026362 PMAQI
19th Jul 2026373 PMAQI
19th Jul 2026374 PMAQI
19th Jul 2026425 PMAQI
19th Jul 2026556 PMAQI
19th Jul 2026657 PMAQI
19th Jul 2026758 PMAQI
19th Jul 2026819 PMAQI
19th Jul 20268510 PMAQI
19th Jul 20268711 PMAQI
20th Jul 20269112 AMAQI
20th Jul 2026941 AMAQI
20th Jul 20261062 AMAQI
20th Jul 2026773 AMAQI
23°C16/31°C
20th Jul 2026624 AMAQI
20th Jul 2026225 AMAQI
20th Jul 2026206 AMAQI
20th Jul 2026217 AMAQI
20th Jul 2026208 AMAQI
20th Jul 2026239 AMAQI
20th Jul 20262410 AMAQI
20th Jul 20262511 AMAQI
20th Jul 20262612 PMAQI
20th Jul 2026301 PMAQI
20th Jul 2026382 PMAQI
20th Jul 2026413 PMAQI
20th Jul 2026534 PMAQI
20th Jul 2026625 PMAQI
20th Jul 2026676 PMAQI
20th Jul 2026527 PMAQI
20th Jul 2026508 PMAQI
20th Jul 2026519 PMAQI
20th Jul 20265310 PMAQI
20th Jul 20265811 PMAQI
21st Jul 20264912 AMAQI
21st Jul 2026461 AMAQI
21st Jul 2026482 AMAQI
21st Jul 2026463 AMAQI
23°C18/30°C
21st Jul 2026454 AMAQI
21st Jul 2026445 AMAQI
21st Jul 2026426 AMAQI
21st Jul 2026447 AMAQI
21st Jul 2026448 AMAQI
21st Jul 2026459 AMAQI
21st Jul 20265310 AMAQI
21st Jul 20265512 PMAQI
21st Jul 2026621 PMAQI
21st Jul 2026642 PMAQI
21st Jul 2026643 PMAQI
21st Jul 2026694 PMAQI
21st Jul 2026765 PMAQI
21st Jul 20261016 PMAQI
21st Jul 2026787 PMAQI
21st Jul 2026798 PMAQI
21st Jul 2026699 PMAQI
21st Jul 20265410 PMAQI
21st Jul 20265711 PMAQI
22nd Jul 20265312 AMAQI
22nd Jul 2026451 AMAQI
22nd Jul 2026422 AMAQI
22nd Jul 2026433 AMAQI
23°C15/31°C
22nd Jul 2026414 AMAQI
22nd Jul 2026405 AMAQI
22nd Jul 2026396 AMAQI
22nd Jul 2026397 AMAQI
22nd Jul 2026398 AMAQI
22nd Jul 2026429 AMAQI
22nd Jul 20263610 AMAQI
22nd Jul 20264511 AMAQI
22nd Jul 20264212 PMAQI
22nd Jul 2026411 PMAQI
22nd Jul 2026392 PMAQI
22nd Jul 2026303 PMAQI
22nd Jul 2026304 PMAQI
22nd Jul 2026305 PMAQI
22nd Jul 2026316 PMAQI
22nd Jul 2026357 PMAQI
22nd Jul 2026408 PMAQI
22nd Jul 2026459 PMAQI
22nd Jul 20264610 PMAQI
22nd Jul 20264411 PMAQI
23rd Jul 20264812 AMAQI
23rd Jul 2026521 AMAQI
23rd Jul 2026582 AMAQI
23rd Jul 2026613 AMAQI
23°C16/29°C
23rd Jul 2026604 AMAQI
23rd Jul 2026635 AMAQI
23rd Jul 2026606 AMAQI
23rd Jul 2026527 AMAQI
23rd Jul 2026548 AMAQI
23rd Jul 2026549 AMAQI
23rd Jul 20265010 AMAQI
23rd Jul 20264811 AMAQI
23rd Jul 20264012 PMAQI
23rd Jul 2026381 PMAQI
23rd Jul 2026362 PMAQI
23rd Jul 2026343 PMAQI
23rd Jul 2026324 PMAQI
23rd Jul 2026325 PMAQI
23rd Jul 2026446 PMAQI
23rd Jul 2026447 PMAQI
23rd Jul 2026498 PMAQI
23rd Jul 2026569 PMAQI
23rd Jul 20265910 PMAQI
23rd Jul 20266311 PMAQI
24th Jul 20266512 AMAQI
24th Jul 2026651 AMAQI
24th Jul 2026602 AMAQI
24th Jul 2026613 AMAQI
22°C17/28°C
24th Jul 2026604 AMAQI
24th Jul 2026615 AMAQI
24th Jul 2026616 AMAQI
24th Jul 2026637 AMAQI
24th Jul 2026648 AMAQI
24th Jul 2026629 AMAQI
24th Jul 20265810 AMAQI
24th Jul 20265311 AMAQI
24th Jul 20264912 PMAQI
24th Jul 2026401 PMAQI
24th Jul 2026372 PMAQI
24th Jul 2026383 PMAQI
24th Jul 2026434 PMAQI
24th Jul 2026455 PMAQI
24th Jul 2026476 PMAQI
24th Jul 2026517 PMAQI
24th Jul 2026628 PMAQI
24th Jul 2026709 PMAQI
24th Jul 20267610 PMAQI
24th Jul 20267911 PMAQI
25th Jul 20267912 AMAQI
25th Jul 2026771 AMAQI
25th Jul 2026742 AMAQI
25th Jul 2026753 AMAQI
23°C17/30°C
25th Jul 2026804 AMAQI
4 AM25th Jul 2026835 AMAQI
25th Jul 2026846 AMAQI
25th Jul 2026847 AMAQI
25th Jul 2026828 AMAQI
25th Jul 2026849 AMAQI
25th Jul 20268210 AMAQI
25th Jul 20267811 AMAQI
11 AM25th Jul 20267112 PMAQI
25th Jul 2026671 PMAQI
25th Jul 2026672 PMAQI
25th Jul 2026703 PMAQI
25th Jul 2026774 PMAQI
25th Jul 2026805 PMAQI
25th Jul 2026816 PMAQI
25th Jul 2026907 PMAQI
7 PM25th Jul 20261008 PMAQI
25th Jul 20261039 PMAQI
25th Jul 202610010 PMAQI
25th Jul 202611511 PMAQI
11 PM3 AM
24°C17/31°C
Day time
Avg. Highest Time
4 AM - 5 AM
51AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
2 PM - 3 PM
39AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 5 AM (Avg. 51), while the lowest AQI was between 2 PM to 3 PM (Avg. 39).
Night time
Avg. Highest Time
9 PM - 10 PM
58AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
12 AM
50AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 10 PM (Avg. 58), while the lowest AQI was between 12 AM to 12 AM (Avg. 50).
2026 Days Vs Air Quality
Changping, Beijing, China
2026
36%
74
45%
92
16%
33
3%
7
Total number of days with different AQI categories in last 206 days in 2026 (159 days remaining)
Good
74 DaysModerate
92 DaysPoor
33 DaysUnhealthy
7 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 36%
Health Risk Level:
High
In 2026, 36% of 206 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
Changping, Beijing, 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
41AQI (US)
41AQI (US)
2nd January 2026
42AQI (US)
42AQI (US)
3rd January 2026
77AQI (US)
77AQI (US)
4th January 2026
82AQI (US)
82AQI (US)
5th January 2026
47AQI (US)
47AQI (US)
6th January 2026
53AQI (US)
53AQI (US)
7th January 2026
36AQI (US)
36AQI (US)
8th January 2026
76AQI (US)
76AQI (US)
9th January 2026
111AQI (US)
111AQI (US)
10th January 2026
26AQI (US)
26AQI (US)
11th January 2026
32AQI (US)
32AQI (US)
12th January 2026
58AQI (US)
58AQI (US)
13th January 2026
39AQI (US)
39AQI (US)
14th January 2026
95AQI (US)
95AQI (US)
15th January 2026
143AQI (US)
143AQI (US)
16th January 2026
94AQI (US)
94AQI (US)
17th January 2026
35AQI (US)
35AQI (US)
18th January 2026
67AQI (US)
67AQI (US)
19th January 2026
22AQI (US)
22AQI (US)
20th January 2026
27AQI (US)
27AQI (US)
21st January 2026
29AQI (US)
29AQI (US)
22nd January 2026
56AQI (US)
56AQI (US)
23rd January 2026
59AQI (US)
59AQI (US)
24th January 2026
50AQI (US)
50AQI (US)
25th January 2026
62AQI (US)
62AQI (US)
26th January 2026
75AQI (US)
75AQI (US)
27th January 2026
40AQI (US)
40AQI (US)
28th January 2026
94AQI (US)
94AQI (US)
29th January 2026
131AQI (US)
131AQI (US)
30th January 2026
156AQI (US)
156AQI (US)
31st January 2026
128AQI (US)
128AQI (US)
1st February 2026
63AQI (US)
63AQI (US)
2nd February 2026
26AQI (US)
26AQI (US)
3rd February 2026
73AQI (US)
73AQI (US)
4th February 2026
107AQI (US)
107AQI (US)
5th February 2026
47AQI (US)
47AQI (US)
6th February 2026
15AQI (US)
15AQI (US)
7th February 2026
39AQI (US)
39AQI (US)
8th February 2026
49AQI (US)
49AQI (US)
9th February 2026
89AQI (US)
89AQI (US)
10th February 2026
99AQI (US)
99AQI (US)
11th February 2026
63AQI (US)
63AQI (US)
12th February 2026
96AQI (US)
96AQI (US)
13th February 2026
112AQI (US)
112AQI (US)
14th February 2026
104AQI (US)
104AQI (US)
15th February 2026
33AQI (US)
33AQI (US)
16th February 2026
30AQI (US)
30AQI (US)
17th February 2026
86AQI (US)
86AQI (US)
18th February 2026
47AQI (US)
47AQI (US)
19th February 2026
83AQI (US)
83AQI (US)
20th February 2026
111AQI (US)
111AQI (US)
21st February 2026
130AQI (US)
130AQI (US)
22nd February 2026
54AQI (US)
54AQI (US)
23rd February 2026
33AQI (US)
33AQI (US)
24th February 2026
70AQI (US)
70AQI (US)
25th February 2026
106AQI (US)
106AQI (US)
26th February 2026
129AQI (US)
129AQI (US)
27th February 2026
90AQI (US)
90AQI (US)
28th February 2026
129AQI (US)
129AQI (US)
1st March 2026
154AQI (US)
154AQI (US)
2nd March 2026
157AQI (US)
157AQI (US)
3rd March 2026
128AQI (US)
128AQI (US)
4th March 2026
101AQI (US)
101AQI (US)
5th March 2026
122AQI (US)
122AQI (US)
6th March 2026
40AQI (US)
40AQI (US)
7th March 2026
90AQI (US)
90AQI (US)
8th March 2026
125AQI (US)
125AQI (US)
9th March 2026
50AQI (US)
50AQI (US)
10th March 2026
99AQI (US)
99AQI (US)
11th March 2026
53AQI (US)
53AQI (US)
12th March 2026
151AQI (US)
151AQI (US)
13th March 2026
151AQI (US)
151AQI (US)
14th March 2026
98AQI (US)
98AQI (US)
15th March 2026
119AQI (US)
119AQI (US)
16th March 2026
103AQI (US)
103AQI (US)
17th March 2026
127AQI (US)
127AQI (US)
18th March 2026
56AQI (US)
56AQI (US)
19th March 2026
68AQI (US)
68AQI (US)
20th March 2026
73AQI (US)
73AQI (US)
21st March 2026
86AQI (US)
86AQI (US)
22nd March 2026
77AQI (US)
77AQI (US)
23rd March 2026
136AQI (US)
136AQI (US)
24th March 2026
144AQI (US)
144AQI (US)
25th March 2026
163AQI (US)
163AQI (US)
26th March 2026
161AQI (US)
161AQI (US)
27th March 2026
57AQI (US)
57AQI (US)
28th March 2026
114AQI (US)
114AQI (US)
29th March 2026
91AQI (US)
91AQI (US)
30th March 2026
35AQI (US)
35AQI (US)
31st March 2026
66AQI (US)
66AQI (US)
1st April 2026
39AQI (US)
39AQI (US)
2nd April 2026
68AQI (US)
68AQI (US)
3rd April 2026
86AQI (US)
86AQI (US)
4th April 2026
84AQI (US)
84AQI (US)
5th April 2026
46AQI (US)
46AQI (US)
6th April 2026
13AQI (US)
13AQI (US)
7th April 2026
26AQI (US)
26AQI (US)
8th April 2026
65AQI (US)
65AQI (US)
9th April 2026
101AQI (US)
101AQI (US)
10th April 2026
60AQI (US)
60AQI (US)
11th April 2026
32AQI (US)
32AQI (US)
12th April 2026
73AQI (US)
73AQI (US)
13th April 2026
80AQI (US)
80AQI (US)
14th April 2026
110AQI (US)
110AQI (US)
15th April 2026
147AQI (US)
147AQI (US)
16th April 2026
142AQI (US)
142AQI (US)
17th April 2026
78AQI (US)
78AQI (US)
18th April 2026
125AQI (US)
125AQI (US)
19th April 2026
88AQI (US)
88AQI (US)
20th April 2026
66AQI (US)
66AQI (US)
21st April 2026
63AQI (US)
63AQI (US)
22nd April 2026
90AQI (US)
90AQI (US)
23rd April 2026
109AQI (US)
109AQI (US)
24th April 2026
101AQI (US)
101AQI (US)
25th April 2026
97AQI (US)
97AQI (US)
26th April 2026
53AQI (US)
53AQI (US)
27th April 2026
31AQI (US)
31AQI (US)
28th April 2026
18AQI (US)
18AQI (US)
29th April 2026
19AQI (US)
19AQI (US)
30th April 2026
57AQI (US)
57AQI (US)
1st May 2026
80AQI (US)
80AQI (US)
2nd May 2026
61AQI (US)
61AQI (US)
3rd May 2026
21AQI (US)
21AQI (US)
4th May 2026
32AQI (US)
32AQI (US)
5th May 2026
78AQI (US)
78AQI (US)
6th May 2026
54AQI (US)
54AQI (US)
7th May 2026
19AQI (US)
19AQI (US)
8th May 2026
38AQI (US)
38AQI (US)
9th May 2026
87AQI (US)
87AQI (US)
10th May 2026
73AQI (US)
73AQI (US)
11th May 2026
55AQI (US)
55AQI (US)
12th May 2026
90AQI (US)
90AQI (US)
13th May 2026
126AQI (US)
126AQI (US)
14th May 2026
135AQI (US)
135AQI (US)
15th May 2026
126AQI (US)
126AQI (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
63AQI (US)
63AQI (US)
20th May 2026
71AQI (US)
71AQI (US)
21st May 2026
79AQI (US)
79AQI (US)
22nd May 2026
89AQI (US)
89AQI (US)
23rd May 2026
85AQI (US)
85AQI (US)
24th May 2026
77AQI (US)
77AQI (US)
25th May 2026
74AQI (US)
74AQI (US)
26th May 2026
54AQI (US)
54AQI (US)
27th May 2026
57AQI (US)
57AQI (US)
28th May 2026
14AQI (US)
14AQI (US)
29th May 2026
23AQI (US)
23AQI (US)
30th May 2026
39AQI (US)
39AQI (US)
31st May 2026
56AQI (US)
56AQI (US)
1st June 2026
29AQI (US)
29AQI (US)
2nd June 2026
77AQI (US)
77AQI (US)
3rd June 2026
52AQI (US)
52AQI (US)
4th June 2026
23AQI (US)
23AQI (US)
5th June 2026
20AQI (US)
20AQI (US)
6th June 2026
25AQI (US)
25AQI (US)
7th June 2026
16AQI (US)
16AQI (US)
8th June 2026
22AQI (US)
22AQI (US)
9th June 2026
23AQI (US)
23AQI (US)
10th June 2026
24AQI (US)
24AQI (US)
11th June 2026
22AQI (US)
22AQI (US)
12th June 2026
34AQI (US)
34AQI (US)
13th June 2026
69AQI (US)
69AQI (US)
14th June 2026
30AQI (US)
30AQI (US)
15th June 2026
107AQI (US)
107AQI (US)
16th June 2026
89AQI (US)
89AQI (US)
17th June 2026
37AQI (US)
37AQI (US)
18th June 2026
68AQI (US)
68AQI (US)
19th June 2026
92AQI (US)
92AQI (US)
20th June 2026
28AQI (US)
28AQI (US)
21st June 2026
16AQI (US)
16AQI (US)
22nd June 2026
37AQI (US)
37AQI (US)
23rd June 2026
56AQI (US)
56AQI (US)
24th June 2026
83AQI (US)
83AQI (US)
25th June 2026
26AQI (US)
26AQI (US)
26th June 2026
27AQI (US)
27AQI (US)
27th June 2026
48AQI (US)
48AQI (US)
28th June 2026
75AQI (US)
75AQI (US)
29th June 2026
78AQI (US)
78AQI (US)
30th June 2026
40AQI (US)
40AQI (US)
1st July 2026
49AQI (US)
49AQI (US)
2nd July 2026
75AQI (US)
75AQI (US)
3rd July 2026
71AQI (US)
71AQI (US)
4th July 2026
49AQI (US)
49AQI (US)
5th July 2026
19AQI (US)
19AQI (US)
6th July 2026
29AQI (US)
29AQI (US)
7th July 2026
31AQI (US)
31AQI (US)
8th July 2026
40AQI (US)
40AQI (US)
9th July 2026
62AQI (US)
62AQI (US)
10th July 2026
51AQI (US)
51AQI (US)
11th July 2026
45AQI (US)
45AQI (US)
12th July 2026
26AQI (US)
26AQI (US)
13th July 2026
56AQI (US)
56AQI (US)
14th July 2026
34AQI (US)
34AQI (US)
15th July 2026
35AQI (US)
35AQI (US)
16th July 2026
38AQI (US)
38AQI (US)
17th July 2026
45AQI (US)
45AQI (US)
18th July 2026
51AQI (US)
51AQI (US)
19th July 2026
58AQI (US)
58AQI (US)
20th July 2026
48AQI (US)
48AQI (US)
21st July 2026
58AQI (US)
58AQI (US)
22nd July 2026
40AQI (US)
40AQI (US)
23rd July 2026
49AQI (US)
49AQI (US)
24th July 2026
57AQI (US)
57AQI (US)
25th July 2026
83AQI (US)
83AQI (US)
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
67AQI (US)
75AQI (US)
103AQI (US)
72AQI (US)
67AQI (US)
46AQI (US)
48AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202669AQI (US)
13
13
4
1
9
11
8
3
12
10
6
8
15
7
7
21
3
19
10
1
15
10
74
92
33
7
Highest AQI (US) recorded in
March103AQI (US)
Lowest AQI (US) recorded in
June46AQI (US)
202575AQI (US)
7
19
4
1
12
12
4
2
18
6
5
25
5
22
9
2
27
1
2
29
1
30
5
25
5
17
6
3
11
12
5
2
10
12
8
1
57
248
48
12
Highest AQI (US) recorded in
March94AQI (US)
Lowest AQI (US) recorded in
August59AQI (US)
202477AQI (US)
9
12
7
3
7
12
8
2
4
14
9
4
4
11
14
1
5
18
7
1
3
27
1
30
16
15
18
11
1
9
10
9
3
5
11
10
4
11
19
1
92
190
66
18
Highest AQI (US) recorded in
March98AQI (US)
Lowest AQI (US) recorded in
September53AQI (US)
202383AQI (US)
7
18
5
1
8
6
6
8
1
13
8
7
2
6
12
6
4
1
1
6
15
9
1
11
12
7
9
19
3
12
15
4
10
13
6
1
14
10
3
4
13
11
3
2
7
11
11
2
104
155
71
30
3
1
Highest AQI (US) recorded in
March115AQI (US)
Lowest AQI (US) recorded in
August67AQI (US)
202279AQI (US)
11
4
9
5
1
8
9
4
7
11
9
3
1
8
11
7
4
13
15
3
10
16
4
9
15
1
8
10
10
1
11
7
5
8
10
10
4
6
17
13
1
113
121
55
27
3
Highest AQI (US) recorded in
January97AQI (US)
Lowest AQI (US) recorded in
August33AQI (US)
202184AQI (US)
8
8
9
4
1
5
11
3
6
3
1
4
10
11
3
2
5
11
12
1
1
10
16
3
1
1
10
19
1
16
15
12
17
2
12
16
2
17
10
3
1
10
8
6
6
12
14
4
1
118
149
55
31
9
2
Highest AQI (US) recorded in
March171AQI (US)
Lowest AQI (US) recorded in
July56AQI (US)
202081AQI (US)
3
5
3
2
5
11
4
1
7
5
6
2
20
8
1
19
11
5
22
4
16
10
4
11
10
5
5
8
13
5
4
9
13
8
1
67
128
58
13
Highest AQI (US) recorded in
July93AQI (US)
Lowest AQI (US) recorded in
September60AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2021(Avg.)
84AQI (US)Least Polluted Year Recorded
2026(Avg.)
69AQI (US)Changping's annual 2026 AQI (US) (69) shows an average percentage change of -13.4% (improved AQI (US)) compared to previous years: 2020 (81), 2021 (84), 2022 (79), 2023 (83), 2024 (77), 2025 (75).
