Changde, Hunan, 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
Changde, Hunan, China
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Jul 2023
85AQILowest AQI recorded on
4th Jul 2026
16AQISame Day Analysis (29th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 40 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 28th Jul - 29th Jul 2026
Changde, Hunan, China
AQI
Day
Night
.
5 AM28th Jul 2026
7 PM
4 AM29th Jul 2026
Day time
Avg. Highest Time
7PM28th Jul
36AQI
Avg. Lowest Time
6AM28th Jul
11AQI
Night time
Avg. Highest Time
4AM29th Jul
36AQI
Avg. Lowest Time
10PM28th Jul
25AQI
In the last 24 hours,
Changde's AQI reached its highest point of 36 at 7 PM during the Day, while the lowest point, 11, was recorded at 6 AM during the Day between 28th Jul and 29th Jul 2026.
Day & Night AQI Trend : Jun - Jul 2026
Changde, Hunan, China
JunJul
30th - 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 - 29th29th
Day
Night
30th Jun 2026205 AMAQI
30th Jun 2026246 AMAQI
30th Jun 2026247 AMAQI
30th Jun 2026308 AMAQI
30th Jun 2026309 AMAQI
30th Jun 20264010 AMAQI
30th Jun 20263811 AMAQI
30th Jun 20264712 PMAQI
30th Jun 2026491 PMAQI
30th Jun 2026322 PMAQI
30th Jun 2026203 PMAQI
30th Jun 2026124 PMAQI
30th Jun 202695 PMAQI
30th Jun 2026156 PMAQI
30th Jun 2026197 PMAQI
30th Jun 2026208 PMAQI
30th Jun 2026239 PMAQI
30th Jun 20262610 PMAQI
30th Jun 20263011 PMAQI
1st Jul 20263412 AMAQI
1st Jul 2026341 AMAQI
1st Jul 2026392 AMAQI
1st Jul 2026463 AMAQI
1st Jul 2026454 AMAQI
23°C21/25°C
1st Jul 2026425 AMAQI
1st Jul 2026366 AMAQI
1st Jul 2026207 AMAQI
1st Jul 2026198 AMAQI
1st Jul 2026219 AMAQI
1st Jul 20261510 AMAQI
1st Jul 2026811 AMAQI
1st Jul 2026812 PMAQI
1st Jul 202681 PMAQI
1st Jul 202692 PMAQI
1st Jul 202683 PMAQI
1st Jul 202684 PMAQI
1st Jul 2026115 PMAQI
1st Jul 202686 PMAQI
1st Jul 2026107 PMAQI
1st Jul 202688 PMAQI
1st Jul 202699 PMAQI
1st Jul 20262210 PMAQI
1st Jul 20262011 PMAQI
2nd Jul 20261612 AMAQI
2nd Jul 2026171 AMAQI
2nd Jul 2026242 AMAQI
2nd Jul 2026273 AMAQI
2nd Jul 2026234 AMAQI
24°C22/30°C
2nd Jul 2026235 AMAQI
2nd Jul 2026226 AMAQI
2nd Jul 2026237 AMAQI
2nd Jul 2026248 AMAQI
2nd Jul 2026249 AMAQI
2nd Jul 20262010 AMAQI
2nd Jul 20262011 AMAQI
2nd Jul 20262012 PMAQI
2nd Jul 2026201 PMAQI
2nd Jul 2026222 PMAQI
2nd Jul 2026223 PMAQI
2nd Jul 2026234 PMAQI
2nd Jul 2026245 PMAQI
2nd Jul 2026246 PMAQI
2nd Jul 2026227 PMAQI
2nd Jul 2026248 PMAQI
2nd Jul 2026249 PMAQI
2nd Jul 20262710 PMAQI
2nd Jul 20262611 PMAQI
3rd Jul 20262612 AMAQI
3rd Jul 2026231 AMAQI
3rd Jul 2026242 AMAQI
3rd Jul 2026233 AMAQI
3rd Jul 2026254 AMAQI
24°C22/30°C
3rd Jul 2026255 AMAQI
3rd Jul 2026266 AMAQI
3rd Jul 2026267 AMAQI
3rd Jul 2026248 AMAQI
3rd Jul 2026439 AMAQI
3rd Jul 20265910 AMAQI
3rd Jul 20265511 AMAQI
3rd Jul 20263812 PMAQI
3rd Jul 2026671 PMAQI
3rd Jul 2026692 PMAQI
3rd Jul 2026263 PMAQI
3rd Jul 2026474 PMAQI
3rd Jul 2026605 PMAQI
3rd Jul 2026576 PMAQI
3rd Jul 2026627 PMAQI
3rd Jul 2026618 PMAQI
3rd Jul 2026489 PMAQI
3rd Jul 20262010 PMAQI
3rd Jul 20261211 PMAQI
4th Jul 20261812 AMAQI
4th Jul 2026161 AMAQI
4th Jul 2026102 AMAQI
4th Jul 2026123 AMAQI
4th Jul 2026114 AMAQI
24°C22/29°C
4th Jul 2026125 AMAQI
4th Jul 2026166 AMAQI
4th Jul 2026147 AMAQI
4th Jul 2026138 AMAQI
4th Jul 2026149 AMAQI
4th Jul 20261510 AMAQI
4th Jul 20261911 AMAQI
4th Jul 20261212 PMAQI
4th Jul 2026121 PMAQI
4th Jul 2026122 PMAQI
4th Jul 2026153 PMAQI
4th Jul 2026204 PMAQI
4th Jul 2026235 PMAQI
4th Jul 2026206 PMAQI
4th Jul 2026227 PMAQI
4th Jul 2026328 PMAQI
4th Jul 2026279 PMAQI
4th Jul 20261510 PMAQI
4th Jul 20261511 PMAQI
5th Jul 20261312 AMAQI
5th Jul 2026171 AMAQI
5th Jul 2026162 AMAQI
5th Jul 202693 AMAQI
5th Jul 2026134 AMAQI
25°C23/29°C
5th Jul 2026165 AMAQI
5th Jul 2026146 AMAQI
5th Jul 2026187 AMAQI
5th Jul 2026208 AMAQI
5th Jul 2026139 AMAQI
5th Jul 20261710 AMAQI
5th Jul 20261811 AMAQI
5th Jul 20261312 PMAQI
5th Jul 2026101 PMAQI
5th Jul 202682 PMAQI
5th Jul 2026133 PMAQI
5th Jul 2026184 PMAQI
5th Jul 2026205 PMAQI
5th Jul 2026186 PMAQI
5th Jul 2026227 PMAQI
5th Jul 2026248 PMAQI
5th Jul 2026219 PMAQI
5th Jul 20262510 PMAQI
5th Jul 20262611 PMAQI
6th Jul 20262612 AMAQI
6th Jul 2026251 AMAQI
6th Jul 2026242 AMAQI
6th Jul 2026203 AMAQI
6th Jul 2026104 AMAQI
25°C24/28°C
6th Jul 2026145 AMAQI
6th Jul 2026106 AMAQI
6th Jul 2026187 AMAQI
6th Jul 2026148 AMAQI
6th Jul 2026289 AMAQI
6th Jul 20263010 AMAQI
6th Jul 20261811 AMAQI
6th Jul 20262012 PMAQI
6th Jul 2026201 PMAQI
6th Jul 2026242 PMAQI
6th Jul 2026223 PMAQI
6th Jul 2026184 PMAQI
6th Jul 2026195 PMAQI
6th Jul 2026226 PMAQI
6th Jul 2026167 PMAQI
6th Jul 2026128 PMAQI
6th Jul 202689 PMAQI
6th Jul 2026810 PMAQI
6th Jul 2026811 PMAQI
7th Jul 2026812 AMAQI
7th Jul 2026111 AMAQI
7th Jul 2026112 AMAQI
7th Jul 2026133 AMAQI
7th Jul 2026164 AMAQI
25°C24/26°C
7th Jul 2026105 AMAQI
7th Jul 2026116 AMAQI
7th Jul 2026127 AMAQI
7th Jul 2026118 AMAQI
7th Jul 2026129 AMAQI
7th Jul 20261810 AMAQI
7th Jul 20262111 AMAQI
7th Jul 20261912 PMAQI
7th Jul 2026211 PMAQI
7th Jul 2026292 PMAQI
7th Jul 2026263 PMAQI
7th Jul 2026284 PMAQI
7th Jul 2026275 PMAQI
7th Jul 2026296 PMAQI
7th Jul 2026277 PMAQI
7th Jul 2026278 PMAQI
7th Jul 2026269 PMAQI
7th Jul 20262610 PMAQI
7th Jul 20263011 PMAQI
8th Jul 20261312 AMAQI
8th Jul 2026161 AMAQI
8th Jul 2026122 AMAQI
8th Jul 202683 AMAQI
8th Jul 2026124 AMAQI
28°C23/34°C
8th Jul 2026115 AMAQI
8th Jul 2026266 AMAQI
8th Jul 2026287 AMAQI
8th Jul 2026248 AMAQI
8th Jul 2026289 AMAQI
8th Jul 20262510 AMAQI
8th Jul 20262411 AMAQI
8th Jul 20262212 PMAQI
8th Jul 2026241 PMAQI
8th Jul 2026262 PMAQI
8th Jul 2026273 PMAQI
8th Jul 2026244 PMAQI
8th Jul 2026205 PMAQI
8th Jul 2026206 PMAQI
8th Jul 2026207 PMAQI
8th Jul 2026238 PMAQI
8th Jul 2026249 PMAQI
8th Jul 20262510 PMAQI
8th Jul 20262911 PMAQI
9th Jul 20262912 AMAQI
9th Jul 2026291 AMAQI
9th Jul 2026292 AMAQI
9th Jul 2026283 AMAQI
9th Jul 2026274 AMAQI
29°C25/34°C
9th Jul 2026265 AMAQI
9th Jul 2026286 AMAQI
9th Jul 2026267 AMAQI
9th Jul 2026228 AMAQI
9th Jul 2026219 AMAQI
9th Jul 20262210 AMAQI
9th Jul 20262111 AMAQI
9th Jul 20262212 PMAQI
9th Jul 2026241 PMAQI
9th Jul 2026192 PMAQI
9th Jul 2026243 PMAQI
9th Jul 2026264 PMAQI
9th Jul 2026245 PMAQI
9th Jul 2026256 PMAQI
9th Jul 2026257 PMAQI
9th Jul 2026248 PMAQI
9th Jul 2026279 PMAQI
9th Jul 20262810 PMAQI
9th Jul 20262811 PMAQI
10th Jul 20262912 AMAQI
10th Jul 2026271 AMAQI
10th Jul 2026292 AMAQI
10th Jul 2026273 AMAQI
10th Jul 2026274 AMAQI
29°C25/34°C
10th Jul 2026275 AMAQI
10th Jul 2026266 AMAQI
10th Jul 2026287 AMAQI
10th Jul 2026288 AMAQI
10th Jul 2026289 AMAQI
10th Jul 20262710 AMAQI
10th Jul 20262711 AMAQI
10th Jul 20262612 PMAQI
10th Jul 2026231 PMAQI
10th Jul 2026232 PMAQI
10th Jul 2026243 PMAQI
10th Jul 2026294 PMAQI
10th Jul 2026305 PMAQI
10th Jul 2026306 PMAQI
10th Jul 2026327 PMAQI
10th Jul 2026318 PMAQI
10th Jul 2026319 PMAQI
10th Jul 20263210 PMAQI
10th Jul 20263311 PMAQI
11th Jul 20263412 AMAQI
11th Jul 2026321 AMAQI
11th Jul 2026322 AMAQI
11th Jul 2026293 AMAQI
11th Jul 2026324 AMAQI
30°C26/35°C
11th Jul 2026315 AMAQI
11th Jul 2026326 AMAQI
11th Jul 2026337 AMAQI
11th Jul 2026358 AMAQI
11th Jul 2026369 AMAQI
11th Jul 20266610 AMAQI
11th Jul 20265211 AMAQI
11th Jul 20266612 PMAQI
11th Jul 2026601 PMAQI
11th Jul 2026692 PMAQI
11th Jul 2026683 PMAQI
11th Jul 2026634 PMAQI
11th Jul 2026535 PMAQI
11th Jul 2026486 PMAQI
11th Jul 2026477 PMAQI
11th Jul 2026528 PMAQI
11th Jul 2026579 PMAQI
11th Jul 20266710 PMAQI
11th Jul 20267211 PMAQI
12th Jul 20266412 AMAQI
12th Jul 2026701 AMAQI
12th Jul 2026662 AMAQI
12th Jul 2026763 AMAQI
12th Jul 2026814 AMAQI
31°C27/35°C
12th Jul 2026805 AMAQI
12th Jul 2026656 AMAQI
12th Jul 2026527 AMAQI
12th Jul 2026578 AMAQI
12th Jul 2026559 AMAQI
12th Jul 20266010 AMAQI
12th Jul 20266111 AMAQI
12th Jul 20266312 PMAQI
12th Jul 2026641 PMAQI
12th Jul 2026652 PMAQI
12th Jul 2026583 PMAQI
12th Jul 2026524 PMAQI
12th Jul 2026525 PMAQI
12th Jul 2026506 PMAQI
12th Jul 2026547 PMAQI
12th Jul 2026348 PMAQI
12th Jul 2026509 PMAQI
12th Jul 20265610 PMAQI
12th Jul 20265511 PMAQI
13th Jul 20266312 AMAQI
13th Jul 2026651 AMAQI
13th Jul 2026742 AMAQI
13th Jul 2026703 AMAQI
13th Jul 2026664 AMAQI
31°C27/35°C
13th Jul 2026585 AMAQI
13th Jul 2026506 AMAQI
13th Jul 2026507 AMAQI
13th Jul 2026628 AMAQI
13th Jul 2026619 AMAQI
13th Jul 20266110 AMAQI
13th Jul 20265811 AMAQI
13th Jul 20266512 PMAQI
13th Jul 2026651 PMAQI
13th Jul 2026692 PMAQI
13th Jul 2026663 PMAQI
13th Jul 2026634 PMAQI
13th Jul 2026645 PMAQI
13th Jul 2026676 PMAQI
13th Jul 2026707 PMAQI
13th Jul 2026788 PMAQI
13th Jul 2026769 PMAQI
13th Jul 20267210 PMAQI
13th Jul 20266511 PMAQI
14th Jul 20266412 AMAQI
14th Jul 2026571 AMAQI
14th Jul 2026582 AMAQI
14th Jul 2026623 AMAQI
14th Jul 2026584 AMAQI
32°C28/39°C
14th Jul 2026565 AMAQI
14th Jul 2026326 AMAQI
14th Jul 2026287 AMAQI
14th Jul 2026328 AMAQI
14th Jul 2026369 AMAQI
14th Jul 20262810 AMAQI
14th Jul 20262611 AMAQI
14th Jul 20262612 PMAQI
14th Jul 2026241 PMAQI
14th Jul 2026232 PMAQI
14th Jul 2026253 PMAQI
14th Jul 2026314 PMAQI
14th Jul 2026325 PMAQI
14th Jul 2026306 PMAQI
14th Jul 2026327 PMAQI
14th Jul 2026348 PMAQI
14th Jul 2026599 PMAQI
14th Jul 20268210 PMAQI
14th Jul 20268011 PMAQI
15th Jul 20267712 AMAQI
15th Jul 2026781 AMAQI
15th Jul 2026762 AMAQI
15th Jul 2026713 AMAQI
15th Jul 2026734 AMAQI
32°C28/38°C
15th Jul 2026835 AMAQI
15th Jul 2026866 AMAQI
15th Jul 2026707 AMAQI
15th Jul 2026728 AMAQI
15th Jul 2026369 AMAQI
15th Jul 20262810 AMAQI
15th Jul 20263511 AMAQI
15th Jul 20262612 PMAQI
15th Jul 2026261 PMAQI
15th Jul 2026232 PMAQI
15th Jul 2026183 PMAQI
15th Jul 2026154 PMAQI
15th Jul 2026155 PMAQI
15th Jul 2026196 PMAQI
15th Jul 2026197 PMAQI
15th Jul 2026138 PMAQI
15th Jul 2026149 PMAQI
15th Jul 20261410 PMAQI
15th Jul 20261211 PMAQI
16th Jul 20261512 AMAQI
16th Jul 2026241 AMAQI
16th Jul 2026192 AMAQI
16th Jul 2026173 AMAQI
16th Jul 2026184 AMAQI
32°C28/36°C
16th Jul 2026165 AMAQI
16th Jul 2026146 AMAQI
16th Jul 2026157 AMAQI
16th Jul 2026168 AMAQI
16th Jul 2026199 AMAQI
16th Jul 20262210 AMAQI
16th Jul 20261711 AMAQI
16th Jul 20261512 PMAQI
16th Jul 2026141 PMAQI
16th Jul 2026162 PMAQI
16th Jul 2026163 PMAQI
16th Jul 2026174 PMAQI
16th Jul 2026165 PMAQI
16th Jul 2026186 PMAQI
16th Jul 2026227 PMAQI
16th Jul 2026318 PMAQI
16th Jul 2026289 PMAQI
16th Jul 20262110 PMAQI
16th Jul 20262311 PMAQI
17th Jul 20262612 AMAQI
17th Jul 2026281 AMAQI
17th Jul 2026262 AMAQI
17th Jul 2026243 AMAQI
17th Jul 2026254 AMAQI
30°C27/35°C
17th Jul 2026245 AMAQI
17th Jul 2026266 AMAQI
17th Jul 2026267 AMAQI
17th Jul 2026268 AMAQI
17th Jul 2026289 AMAQI
17th Jul 20262510 AMAQI
17th Jul 20262611 AMAQI
17th Jul 20262412 PMAQI
17th Jul 2026241 PMAQI
17th Jul 2026232 PMAQI
17th Jul 2026243 PMAQI
17th Jul 2026244 PMAQI
17th Jul 2026245 PMAQI
17th Jul 2026256 PMAQI
17th Jul 2026267 PMAQI
17th Jul 2026288 PMAQI
17th Jul 2026279 PMAQI
17th Jul 20263010 PMAQI
17th Jul 20263511 PMAQI
18th Jul 20263512 AMAQI
18th Jul 2026351 AMAQI
18th Jul 2026342 AMAQI
18th Jul 2026333 AMAQI
18th Jul 2026324 AMAQI
31°C27/36°C
18th Jul 2026345 AMAQI
18th Jul 2026336 AMAQI
18th Jul 2026367 AMAQI
18th Jul 2026418 AMAQI
18th Jul 2026429 AMAQI
18th Jul 20263910 AMAQI
18th Jul 20263511 AMAQI
18th Jul 20263612 PMAQI
18th Jul 2026381 PMAQI
18th Jul 2026402 PMAQI
18th Jul 2026453 PMAQI
18th Jul 2026444 PMAQI
18th Jul 2026445 PMAQI
18th Jul 2026456 PMAQI
18th Jul 2026397 PMAQI
18th Jul 2026388 PMAQI
18th Jul 2026449 PMAQI
18th Jul 20264610 PMAQI
18th Jul 20265011 PMAQI
19th Jul 20264912 AMAQI
19th Jul 2026481 AMAQI
19th Jul 2026452 AMAQI
19th Jul 2026483 AMAQI
19th Jul 2026484 AMAQI
28°C25/31°C
19th Jul 2026435 AMAQI
19th Jul 2026466 AMAQI
19th Jul 2026477 AMAQI
19th Jul 2026468 AMAQI
19th Jul 2026439 AMAQI
19th Jul 20264210 AMAQI
19th Jul 20264411 AMAQI
19th Jul 20264512 PMAQI
19th Jul 2026501 PMAQI
19th Jul 2026492 PMAQI
19th Jul 2026473 PMAQI
19th Jul 2026434 PMAQI
19th Jul 2026405 PMAQI
19th Jul 2026416 PMAQI
19th Jul 2026467 PMAQI
19th Jul 2026488 PMAQI
19th Jul 2026449 PMAQI
19th Jul 20264510 PMAQI
19th Jul 20264411 PMAQI
20th Jul 20264412 AMAQI
20th Jul 2026421 AMAQI
20th Jul 2026382 AMAQI
20th Jul 2026423 AMAQI
20th Jul 2026414 AMAQI
25°C24/27°C
20th Jul 2026415 AMAQI
20th Jul 2026406 AMAQI
20th Jul 2026417 AMAQI
20th Jul 2026378 AMAQI
20th Jul 2026419 AMAQI
20th Jul 20264410 AMAQI
20th Jul 20264711 AMAQI
20th Jul 20264512 PMAQI
20th Jul 2026471 PMAQI
20th Jul 2026502 PMAQI
20th Jul 2026533 PMAQI
20th Jul 2026544 PMAQI
20th Jul 2026545 PMAQI
20th Jul 2026546 PMAQI
20th Jul 2026557 PMAQI
20th Jul 2026558 PMAQI
20th Jul 2026569 PMAQI
20th Jul 20265610 PMAQI
20th Jul 20265611 PMAQI
21st Jul 20268012 AMAQI
21st Jul 2026801 AMAQI
21st Jul 2026802 AMAQI
21st Jul 2026763 AMAQI
21st Jul 2026704 AMAQI
27°C24/31°C
21st Jul 2026725 AMAQI
21st Jul 2026786 AMAQI
21st Jul 2026847 AMAQI
21st Jul 2026828 AMAQI
21st Jul 2026809 AMAQI
21st Jul 20269610 AMAQI
21st Jul 20267512 PMAQI
21st Jul 2026721 PMAQI
21st Jul 2026682 PMAQI
21st Jul 2026673 PMAQI
21st Jul 2026674 PMAQI
21st Jul 2026665 PMAQI
21st Jul 20261006 PMAQI
21st Jul 2026687 PMAQI
21st Jul 2026688 PMAQI
21st Jul 2026709 PMAQI
21st Jul 20267110 PMAQI
21st Jul 20266911 PMAQI
22nd Jul 20262612 AMAQI
22nd Jul 2026261 AMAQI
22nd Jul 2026282 AMAQI
22nd Jul 2026373 AMAQI
22nd Jul 2026344 AMAQI
28°C24/34°C
22nd Jul 2026425 AMAQI
22nd Jul 2026266 AMAQI
22nd Jul 2026387 AMAQI
22nd Jul 2026258 AMAQI
22nd Jul 2026309 AMAQI
22nd Jul 20264210 AMAQI
22nd Jul 20264411 AMAQI
22nd Jul 20264112 PMAQI
22nd Jul 2026321 PMAQI
22nd Jul 2026292 PMAQI
22nd Jul 2026243 PMAQI
22nd Jul 2026204 PMAQI
22nd Jul 2026165 PMAQI
22nd Jul 2026236 PMAQI
22nd Jul 2026247 PMAQI
22nd Jul 2026218 PMAQI
22nd Jul 2026159 PMAQI
22nd Jul 20261710 PMAQI
22nd Jul 20262011 PMAQI
23rd Jul 20261712 AMAQI
23rd Jul 2026141 AMAQI
23rd Jul 2026222 AMAQI
23rd Jul 2026243 AMAQI
23rd Jul 2026224 AMAQI
29°C25/35°C
23rd Jul 2026225 AMAQI
23rd Jul 2026216 AMAQI
23rd Jul 2026367 AMAQI
23rd Jul 2026248 AMAQI
23rd Jul 2026289 AMAQI
23rd Jul 20263210 AMAQI
23rd Jul 20263111 AMAQI
23rd Jul 20262912 PMAQI
23rd Jul 2026371 PMAQI
23rd Jul 2026482 PMAQI
23rd Jul 2026533 PMAQI
23rd Jul 2026564 PMAQI
23rd Jul 2026625 PMAQI
23rd Jul 2026566 PMAQI
23rd Jul 2026447 PMAQI
23rd Jul 2026458 PMAQI
23rd Jul 2026479 PMAQI
23rd Jul 20264810 PMAQI
23rd Jul 20264811 PMAQI
24th Jul 20264912 AMAQI
24th Jul 2026551 AMAQI
24th Jul 2026572 AMAQI
24th Jul 2026533 AMAQI
24th Jul 2026524 AMAQI
29°C24/35°C
24th Jul 2026545 AMAQI
24th Jul 2026546 AMAQI
24th Jul 2026547 AMAQI
24th Jul 2026548 AMAQI
24th Jul 2026589 AMAQI
24th Jul 20265710 AMAQI
24th Jul 20265811 AMAQI
24th Jul 20265212 PMAQI
24th Jul 2026371 PMAQI
24th Jul 2026332 PMAQI
24th Jul 2026303 PMAQI
24th Jul 2026324 PMAQI
24th Jul 2026325 PMAQI
24th Jul 2026346 PMAQI
24th Jul 2026387 PMAQI
24th Jul 2026428 PMAQI
24th Jul 2026469 PMAQI
24th Jul 20264810 PMAQI
24th Jul 20264411 PMAQI
25th Jul 20264412 AMAQI
25th Jul 2026441 AMAQI
25th Jul 2026452 AMAQI
25th Jul 2026423 AMAQI
25th Jul 2026454 AMAQI
29°C26/34°C
25th Jul 2026445 AMAQI
25th Jul 2026426 AMAQI
25th Jul 2026467 AMAQI
25th Jul 2026448 AMAQI
25th Jul 2026489 AMAQI
25th Jul 20264810 AMAQI
25th Jul 20264811 AMAQI
25th Jul 20264412 PMAQI
25th Jul 2026361 PMAQI
25th Jul 2026382 PMAQI
25th Jul 2026433 PMAQI
25th Jul 2026434 PMAQI
25th Jul 2026385 PMAQI
25th Jul 2026386 PMAQI
25th Jul 2026407 PMAQI
25th Jul 2026388 PMAQI
25th Jul 2026439 PMAQI
25th Jul 20264410 PMAQI
25th Jul 20264611 PMAQI
26th Jul 20264512 AMAQI
26th Jul 2026461 AMAQI
26th Jul 2026452 AMAQI
26th Jul 2026463 AMAQI
26th Jul 2026484 AMAQI
31°C27/36°C
26th Jul 2026485 AMAQI
26th Jul 2026526 AMAQI
26th Jul 2026537 AMAQI
26th Jul 2026538 AMAQI
26th Jul 2026569 AMAQI
26th Jul 20266110 AMAQI
26th Jul 20266311 AMAQI
26th Jul 20266112 PMAQI
26th Jul 2026651 PMAQI
26th Jul 2026672 PMAQI
26th Jul 2026643 PMAQI
26th Jul 2026604 PMAQI
26th Jul 2026425 PMAQI
26th Jul 2026446 PMAQI
26th Jul 2026487 PMAQI
26th Jul 2026328 PMAQI
26th Jul 2026289 PMAQI
26th Jul 20263010 PMAQI
26th Jul 20263011 PMAQI
27th Jul 20262212 AMAQI
27th Jul 2026211 AMAQI
27th Jul 2026212 AMAQI
27th Jul 2026223 AMAQI
27th Jul 2026254 AMAQI
30°C25/35°C
27th Jul 2026235 AMAQI
27th Jul 2026266 AMAQI
27th Jul 2026317 AMAQI
27th Jul 2026378 AMAQI
27th Jul 2026329 AMAQI
27th Jul 20263210 AMAQI
27th Jul 20262111 AMAQI
27th Jul 20262312 PMAQI
27th Jul 2026191 PMAQI
27th Jul 2026162 PMAQI
27th Jul 2026133 PMAQI
27th Jul 2026114 PMAQI
27th Jul 2026135 PMAQI
27th Jul 2026116 PMAQI
27th Jul 2026127 PMAQI
27th Jul 2026148 PMAQI
27th Jul 2026139 PMAQI
27th Jul 20261410 PMAQI
27th Jul 20261411 PMAQI
28th Jul 20261312 AMAQI
28th Jul 2026141 AMAQI
28th Jul 2026132 AMAQI
28th Jul 2026133 AMAQI
28th Jul 2026134 AMAQI
24°C24/25°C
28th Jul 2026125 AMAQI
28th Jul 2026116 AMAQI
28th Jul 2026167 AMAQI
28th Jul 2026248 AMAQI
28th Jul 2026339 AMAQI
28th Jul 20262810 AMAQI
28th Jul 20262611 AMAQI
28th Jul 20262212 PMAQI
28th Jul 2026291 PMAQI
28th Jul 2026302 PMAQI
28th Jul 2026283 PMAQI
28th Jul 2026264 PMAQI
28th Jul 2026285 PMAQI
28th Jul 2026266 PMAQI
28th Jul 2026367 PMAQI
28th Jul 2026308 PMAQI
28th Jul 2026269 PMAQI
28th Jul 20262510 PMAQI
28th Jul 20262611 PMAQI
29th Jul 20263012 AMAQI
29th Jul 2026291 AMAQI
29th Jul 2026262 AMAQI
29th Jul 2026323 AMAQI
29th Jul 2026364 AMAQI
26°C24/31°C
29th Jul 2026375 AMAQI
5 AM29th Jul 2026286 AMAQI
29th Jul 2026267 AMAQI
29th Jul 2026348 AMAQI
29th Jul 2026389 AMAQI
29th Jul 20264710 AMAQI
29th Jul 20265311 AMAQI
29th Jul 20265412 PMAQI
12 PM29th Jul 2026401 PMAQI
29th Jul 2026322 PMAQI
29th Jul 2026293 PMAQI
29th Jul 2026404 PMAQI
29th Jul 2026455 PMAQI
29th Jul 2026446 PMAQI
29th Jul 2026447 PMAQI
7 PM29th Jul 2026468 PMAQI
29th Jul 2026519 PMAQI
29th Jul 20265510 PMAQI
29th Jul 20265511 PMAQI
12 AM
4 AM
27°C25/34°C
Day time
Avg. Highest Time
10 AM
38AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
6 AM
33AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 10 AM (Avg. 38), while the lowest AQI was between 6 AM to 6 AM (Avg. 33).
Night time
Avg. Highest Time
1 AM - 11 PM
36AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 9 PM
35AQI
7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 11 PM (Avg. 36), while the lowest AQI was between 12 AM to 9 PM (Avg. 35).
2026 Days Vs Air Quality
Changde, Hunan, China
2026
26%
55
42%
88
25%
52
7%
15
Total number of days with different AQI categories in last 210 days in 2026 (155 days remaining)
Good
55 DaysModerate
88 DaysPoor
52 DaysUnhealthy
15 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 26%
Health Risk Level:
Very high
In 2026, 26% of 210 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Changde, Hunan, 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
94AQI (US)
94AQI (US)
2nd January 2026
147AQI (US)
147AQI (US)
3rd January 2026
156AQI (US)
156AQI (US)
4th January 2026
129AQI (US)
129AQI (US)
5th January 2026
132AQI (US)
132AQI (US)
6th January 2026
135AQI (US)
135AQI (US)
7th January 2026
125AQI (US)
125AQI (US)
8th January 2026
131AQI (US)
131AQI (US)
9th January 2026
121AQI (US)
121AQI (US)
10th January 2026
142AQI (US)
142AQI (US)
11th January 2026
151AQI (US)
151AQI (US)
12th January 2026
158AQI (US)
158AQI (US)
13th January 2026
134AQI (US)
134AQI (US)
14th January 2026
152AQI (US)
152AQI (US)
15th January 2026
164AQI (US)
164AQI (US)
16th January 2026
174AQI (US)
174AQI (US)
17th January 2026
182AQI (US)
182AQI (US)
18th January 2026
198AQI (US)
198AQI (US)
19th January 2026
94AQI (US)
94AQI (US)
20th January 2026
110AQI (US)
110AQI (US)
21st January 2026
105AQI (US)
105AQI (US)
22nd January 2026
120AQI (US)
120AQI (US)
23rd January 2026
144AQI (US)
144AQI (US)
24th January 2026
155AQI (US)
155AQI (US)
25th January 2026
144AQI (US)
144AQI (US)
26th January 2026
144AQI (US)
144AQI (US)
27th January 2026
161AQI (US)
161AQI (US)
28th January 2026
161AQI (US)
161AQI (US)
29th January 2026
136AQI (US)
136AQI (US)
30th January 2026
124AQI (US)
124AQI (US)
31st January 2026
126AQI (US)
126AQI (US)
1st February 2026
116AQI (US)
116AQI (US)
2nd February 2026
123AQI (US)
123AQI (US)
3rd February 2026
125AQI (US)
125AQI (US)
4th February 2026
134AQI (US)
134AQI (US)
5th February 2026
162AQI (US)
162AQI (US)
6th February 2026
174AQI (US)
174AQI (US)
7th February 2026
156AQI (US)
156AQI (US)
8th February 2026
148AQI (US)
148AQI (US)
9th February 2026
140AQI (US)
140AQI (US)
10th February 2026
122AQI (US)
122AQI (US)
11th February 2026
99AQI (US)
99AQI (US)
12th February 2026
147AQI (US)
147AQI (US)
13th February 2026
144AQI (US)
144AQI (US)
14th February 2026
136AQI (US)
136AQI (US)
15th February 2026
143AQI (US)
143AQI (US)
16th February 2026
62AQI (US)
62AQI (US)
17th February 2026
112AQI (US)
112AQI (US)
18th February 2026
139AQI (US)
139AQI (US)
19th February 2026
129AQI (US)
129AQI (US)
20th February 2026
88AQI (US)
88AQI (US)
21st February 2026
84AQI (US)
84AQI (US)
22nd February 2026
129AQI (US)
129AQI (US)
23rd February 2026
112AQI (US)
112AQI (US)
24th February 2026
92AQI (US)
92AQI (US)
25th February 2026
86AQI (US)
86AQI (US)
26th February 2026
65AQI (US)
65AQI (US)
27th February 2026
67AQI (US)
67AQI (US)
28th February 2026
94AQI (US)
94AQI (US)
1st March 2026
28AQI (US)
28AQI (US)
2nd March 2026
42AQI (US)
42AQI (US)
3rd March 2026
70AQI (US)
70AQI (US)
4th March 2026
77AQI (US)
77AQI (US)
5th March 2026
110AQI (US)
110AQI (US)
6th March 2026
139AQI (US)
139AQI (US)
7th March 2026
151AQI (US)
151AQI (US)
8th March 2026
140AQI (US)
140AQI (US)
9th March 2026
137AQI (US)
137AQI (US)
10th March 2026
98AQI (US)
98AQI (US)
11th March 2026
67AQI (US)
67AQI (US)
12th March 2026
135AQI (US)
135AQI (US)
13th March 2026
127AQI (US)
127AQI (US)
14th March 2026
127AQI (US)
127AQI (US)
15th March 2026
93AQI (US)
93AQI (US)
16th March 2026
33AQI (US)
33AQI (US)
17th March 2026
50AQI (US)
50AQI (US)
18th March 2026
52AQI (US)
52AQI (US)
19th March 2026
94AQI (US)
94AQI (US)
20th March 2026
134AQI (US)
134AQI (US)
21st March 2026
110AQI (US)
110AQI (US)
22nd March 2026
93AQI (US)
93AQI (US)
23rd March 2026
65AQI (US)
65AQI (US)
24th March 2026
104AQI (US)
104AQI (US)
25th March 2026
114AQI (US)
114AQI (US)
26th March 2026
70AQI (US)
70AQI (US)
27th March 2026
59AQI (US)
59AQI (US)
28th March 2026
70AQI (US)
70AQI (US)
29th March 2026
59AQI (US)
59AQI (US)
30th March 2026
32AQI (US)
32AQI (US)
31st March 2026
78AQI (US)
78AQI (US)
1st April 2026
42AQI (US)
42AQI (US)
2nd April 2026
58AQI (US)
58AQI (US)
3rd April 2026
40AQI (US)
40AQI (US)
4th April 2026
57AQI (US)
57AQI (US)
5th April 2026
98AQI (US)
98AQI (US)
6th April 2026
92AQI (US)
92AQI (US)
7th April 2026
115AQI (US)
115AQI (US)
8th April 2026
138AQI (US)
138AQI (US)
9th April 2026
113AQI (US)
113AQI (US)
10th April 2026
78AQI (US)
78AQI (US)
11th April 2026
86AQI (US)
86AQI (US)
12th April 2026
65AQI (US)
65AQI (US)
13th April 2026
85AQI (US)
85AQI (US)
14th April 2026
61AQI (US)
61AQI (US)
15th April 2026
58AQI (US)
58AQI (US)
16th April 2026
70AQI (US)
70AQI (US)
17th April 2026
72AQI (US)
72AQI (US)
18th April 2026
65AQI (US)
65AQI (US)
19th April 2026
98AQI (US)
98AQI (US)
20th April 2026
100AQI (US)
100AQI (US)
21st April 2026
38AQI (US)
38AQI (US)
22nd April 2026
28AQI (US)
28AQI (US)
23rd April 2026
55AQI (US)
55AQI (US)
24th April 2026
80AQI (US)
80AQI (US)
25th April 2026
75AQI (US)
75AQI (US)
26th April 2026
93AQI (US)
93AQI (US)
27th April 2026
57AQI (US)
57AQI (US)
28th April 2026
29AQI (US)
29AQI (US)
29th April 2026
40AQI (US)
40AQI (US)
30th April 2026
57AQI (US)
57AQI (US)
1st May 2026
64AQI (US)
64AQI (US)
2nd May 2026
75AQI (US)
75AQI (US)
3rd May 2026
39AQI (US)
39AQI (US)
4th May 2026
56AQI (US)
56AQI (US)
5th May 2026
62AQI (US)
62AQI (US)
6th May 2026
76AQI (US)
76AQI (US)
7th May 2026
70AQI (US)
70AQI (US)
8th May 2026
58AQI (US)
58AQI (US)
9th May 2026
37AQI (US)
37AQI (US)
10th May 2026
56AQI (US)
56AQI (US)
11th May 2026
76AQI (US)
76AQI (US)
12th May 2026
115AQI (US)
115AQI (US)
13th May 2026
27AQI (US)
27AQI (US)
14th May 2026
66AQI (US)
66AQI (US)
15th May 2026
98AQI (US)
98AQI (US)
16th May 2026
73AQI (US)
73AQI (US)
17th May 2026
62AQI (US)
62AQI (US)
18th May 2026
56AQI (US)
56AQI (US)
19th May 2026
52AQI (US)
52AQI (US)
20th May 2026
63AQI (US)
63AQI (US)
21st May 2026
72AQI (US)
72AQI (US)
22nd May 2026
81AQI (US)
81AQI (US)
23rd May 2026
73AQI (US)
73AQI (US)
24th May 2026
72AQI (US)
72AQI (US)
25th May 2026
66AQI (US)
66AQI (US)
26th May 2026
50AQI (US)
50AQI (US)
27th May 2026
48AQI (US)
48AQI (US)
28th May 2026
55AQI (US)
55AQI (US)
29th May 2026
51AQI (US)
51AQI (US)
30th May 2026
52AQI (US)
52AQI (US)
31st May 2026
48AQI (US)
48AQI (US)
1st June 2026
80AQI (US)
80AQI (US)
2nd June 2026
86AQI (US)
86AQI (US)
3rd June 2026
56AQI (US)
56AQI (US)
4th June 2026
54AQI (US)
54AQI (US)
5th June 2026
106AQI (US)
106AQI (US)
6th June 2026
101AQI (US)
101AQI (US)
7th June 2026
82AQI (US)
82AQI (US)
8th June 2026
12AQI (US)
12AQI (US)
9th June 2026
24AQI (US)
24AQI (US)
10th June 2026
42AQI (US)
42AQI (US)
11th June 2026
62AQI (US)
62AQI (US)
12th June 2026
52AQI (US)
52AQI (US)
13th June 2026
32AQI (US)
32AQI (US)
14th June 2026
37AQI (US)
37AQI (US)
15th June 2026
63AQI (US)
63AQI (US)
16th June 2026
85AQI (US)
85AQI (US)
17th June 2026
91AQI (US)
91AQI (US)
18th June 2026
112AQI (US)
112AQI (US)
19th June 2026
40AQI (US)
40AQI (US)
20th June 2026
14AQI (US)
14AQI (US)
21st June 2026
18AQI (US)
18AQI (US)
22nd June 2026
20AQI (US)
20AQI (US)
23rd June 2026
23AQI (US)
23AQI (US)
24th June 2026
48AQI (US)
48AQI (US)
25th June 2026
60AQI (US)
60AQI (US)
26th June 2026
51AQI (US)
51AQI (US)
27th June 2026
82AQI (US)
82AQI (US)
28th June 2026
91AQI (US)
91AQI (US)
29th June 2026
93AQI (US)
93AQI (US)
30th June 2026
31AQI (US)
31AQI (US)
1st July 2026
20AQI (US)
20AQI (US)
2nd July 2026
23AQI (US)
23AQI (US)
3rd July 2026
39AQI (US)
39AQI (US)
4th July 2026
16AQI (US)
16AQI (US)
5th July 2026
17AQI (US)
17AQI (US)
6th July 2026
18AQI (US)
18AQI (US)
7th July 2026
20AQI (US)
20AQI (US)
8th July 2026
21AQI (US)
21AQI (US)
9th July 2026
25AQI (US)
25AQI (US)
10th July 2026
28AQI (US)
28AQI (US)
11th July 2026
48AQI (US)
48AQI (US)
12th July 2026
60AQI (US)
60AQI (US)
13th July 2026
65AQI (US)
65AQI (US)
14th July 2026
42AQI (US)
42AQI (US)
15th July 2026
42AQI (US)
42AQI (US)
16th July 2026
18AQI (US)
18AQI (US)
17th July 2026
26AQI (US)
26AQI (US)
18th July 2026
39AQI (US)
39AQI (US)
19th July 2026
46AQI (US)
46AQI (US)
20th July 2026
48AQI (US)
48AQI (US)
21st July 2026
76AQI (US)
76AQI (US)
22nd July 2026
28AQI (US)
28AQI (US)
23rd July 2026
36AQI (US)
36AQI (US)
24th July 2026
47AQI (US)
47AQI (US)
25th July 2026
43AQI (US)
43AQI (US)
26th July 2026
50AQI (US)
50AQI (US)
27th July 2026
20AQI (US)
20AQI (US)
28th July 2026
23AQI (US)
23AQI (US)
29th July 2026
40AQI (US)
40AQI (US)
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
140AQI (US)
119AQI (US)
89AQI (US)
71AQI (US)
63AQI (US)
58AQI (US)
35AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202682AQI (US)
2
18
11
9
16
3
5
14
11
1
6
21
3
6
24
1
12
15
3
26
3
55
88
52
15
Highest AQI (US) recorded in
January140AQI (US)
Lowest AQI (US) recorded in
July35AQI (US)
202599AQI (US)
12
16
3
3
21
4
18
13
11
16
2
1
24
7
6
24
7
24
6
25
6
24
1
16
13
1
1
19
9
1
4
10
17
27
192
101
41
3
1
Highest AQI (US) recorded in
January165AQI (US)
Lowest AQI (US) recorded in
August56AQI (US)
2024100AQI (US)
5
9
17
2
5
11
11
1
12
11
7
26
4
1
21
9
16
14
17
14
3
28
14
12
4
3
8
19
1
2
11
12
5
19
12
45
158
106
57
Highest AQI (US) recorded in
December146AQI (US)
Lowest AQI (US) recorded in
July49AQI (US)
202399AQI (US)
1
8
12
8
2
2
14
12
14
14
3
4
12
12
1
1
1
21
9
6
23
1
12
19
5
23
3
7
21
2
3
21
7
1
12
11
2
2
9
11
7
2
41
178
92
37
11
2
Highest AQI (US) recorded in
January185AQI (US)
Lowest AQI (US) recorded in
July55AQI (US)
2022105AQI (US)
2
7
17
4
1
13
7
1
16
13
1
22
8
1
24
6
6
21
3
17
7
1
11
16
1
5
11
13
2
1
11
14
4
1
9
20
1
31
128
102
52
5
Highest AQI (US) recorded in
January166AQI (US)
Lowest AQI (US) recorded in
July49AQI (US)
2021104AQI (US)
2
13
14
1
7
15
6
1
13
16
1
2
17
11
2
24
5
3
15
12
1
29
1
5
13
3
2
18
9
1
4
14
8
5
1
9
11
9
2
14
12
3
21
163
118
48
4
Highest AQI (US) recorded in
December149AQI (US)
Lowest AQI (US) recorded in
July71AQI (US)
202093AQI (US)
1
4
6
2
10
10
1
13
5
9
20
1
6
25
7
20
4
4
21
5
4
13
13
1
9
12
9
2
3
24
2
31
137
59
37
2
Highest AQI (US) recorded in
December166AQI (US)
Lowest AQI (US) recorded in
June58AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2022(Avg.)
105AQI (US)Least Polluted Year Recorded
2026(Avg.)
82AQI (US)Changde's annual 2026 AQI (US) (82) shows an average percentage change of -17.8% (improved AQI (US)) compared to previous years: 2020 (93), 2021 (104), 2022 (105), 2023 (99), 2024 (100), 2025 (99).
