Changgeng, 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+
August Air Quality Analysis
Changgeng, Changde, Hunan, China
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
25th Aug 2023
146AQILowest AQI recorded on
1st Aug 2026
24AQISame Day Analysis (2nd August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 27 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 1st Aug - 2nd Aug 2026
Changgeng, Changde, Hunan, China
AQI
Day
Night
.
5 AM1st Aug 2026
7 PM
4 AM2nd Aug 2026
Day time
Avg. Highest Time
9AM1st Aug
36AQI
Avg. Lowest Time
5PM1st Aug
21AQI
Night time
Avg. Highest Time
8PM1st Aug
27AQI
Avg. Lowest Time
10PM1st Aug
21AQI
In the last 24 hours,
Changgeng's AQI reached its highest point of 36 at 9 AM during the Day, while the lowest point, 21, was recorded at 10 PM during the Night between 1st Aug and 2nd Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Changgeng, Changde, Hunan, China
JulAug
04th - 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 - 30th30th - 31st31st - 01st01st - 02nd02nd
Day
Night
4th Jul 2026125 AMAQI
4th Jul 2026166 AMAQI
4th Jul 2026147 AMAQI
4th Jul 2026138 AMAQI
4th Jul 2026149 AMAQI
4th Jul 20261710 AMAQI
4th Jul 20262111 AMAQI
4th Jul 20261212 PMAQI
4th Jul 2026121 PMAQI
4th Jul 2026122 PMAQI
4th Jul 2026173 PMAQI
4th Jul 2026214 PMAQI
4th Jul 2026255 PMAQI
4th Jul 2026216 PMAQI
4th Jul 2026217 PMAQI
4th Jul 2026308 PMAQI
4th Jul 2026289 PMAQI
4th Jul 20261610 PMAQI
4th Jul 20261611 PMAQI
5th Jul 20261412 AMAQI
5th Jul 2026181 AMAQI
5th Jul 2026162 AMAQI
5th Jul 202683 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 2026149 AMAQI
5th Jul 20261710 AMAQI
5th Jul 20261811 AMAQI
5th Jul 20261312 PMAQI
5th Jul 2026101 PMAQI
5th Jul 202692 PMAQI
5th Jul 2026143 PMAQI
5th Jul 2026194 PMAQI
5th Jul 2026205 PMAQI
5th Jul 2026166 PMAQI
5th Jul 2026227 PMAQI
5th Jul 2026228 PMAQI
5th Jul 2026229 PMAQI
5th Jul 20262410 PMAQI
5th Jul 20262411 PMAQI
6th Jul 20262812 AMAQI
6th Jul 2026261 AMAQI
6th Jul 2026242 AMAQI
6th Jul 2026183 AMAQI
6th Jul 202684 AMAQI
25°C24/28°C
6th Jul 202685 AMAQI
6th Jul 202686 AMAQI
6th Jul 2026167 AMAQI
6th Jul 2026148 AMAQI
6th Jul 2026249 AMAQI
6th Jul 20263010 AMAQI
6th Jul 20261911 AMAQI
6th Jul 20262012 PMAQI
6th Jul 2026211 PMAQI
6th Jul 2026242 PMAQI
6th Jul 2026243 PMAQI
6th Jul 2026194 PMAQI
6th Jul 2026195 PMAQI
6th Jul 2026226 PMAQI
6th Jul 202687 PMAQI
6th Jul 202688 PMAQI
6th Jul 202689 PMAQI
6th Jul 2026810 PMAQI
6th Jul 2026811 PMAQI
7th Jul 2026812 AMAQI
7th Jul 202691 AMAQI
7th Jul 202692 AMAQI
7th Jul 202683 AMAQI
7th Jul 202684 AMAQI
25°C24/26°C
7th Jul 202685 AMAQI
7th Jul 202686 AMAQI
7th Jul 202687 AMAQI
7th Jul 2026118 AMAQI
7th Jul 2026149 AMAQI
7th Jul 20262010 AMAQI
7th Jul 20262211 AMAQI
7th Jul 20262012 PMAQI
7th Jul 2026241 PMAQI
7th Jul 2026292 PMAQI
7th Jul 2026263 PMAQI
7th Jul 2026264 PMAQI
7th Jul 2026285 PMAQI
7th Jul 2026306 PMAQI
7th Jul 2026287 PMAQI
7th Jul 2026278 PMAQI
7th Jul 2026269 PMAQI
7th Jul 20262610 PMAQI
7th Jul 20263111 PMAQI
8th Jul 2026812 AMAQI
8th Jul 2026101 AMAQI
8th Jul 202682 AMAQI
8th Jul 202683 AMAQI
8th Jul 202694 AMAQI
28°C23/34°C
8th Jul 2026185 AMAQI
8th Jul 2026286 AMAQI
8th Jul 2026297 AMAQI
8th Jul 2026248 AMAQI
8th Jul 2026149 AMAQI
8th Jul 20262510 AMAQI
8th Jul 20262411 AMAQI
8th Jul 20262212 PMAQI
8th Jul 2026241 PMAQI
8th Jul 2026282 PMAQI
8th Jul 2026283 PMAQI
8th Jul 2026264 PMAQI
8th Jul 2026245 PMAQI
8th Jul 2026226 PMAQI
8th Jul 2026207 PMAQI
8th Jul 2026248 PMAQI
8th Jul 2026249 PMAQI
8th Jul 20262610 PMAQI
8th Jul 20262811 PMAQI
9th Jul 20263012 AMAQI
9th Jul 2026301 AMAQI
9th Jul 2026312 AMAQI
9th Jul 2026283 AMAQI
9th Jul 2026264 AMAQI
29°C25/34°C
9th Jul 2026255 AMAQI
9th Jul 2026266 AMAQI
9th Jul 2026267 AMAQI
9th Jul 2026228 AMAQI
9th Jul 2026189 AMAQI
9th Jul 20262210 AMAQI
9th Jul 20262111 AMAQI
9th Jul 20262312 PMAQI
9th Jul 2026241 PMAQI
9th Jul 2026212 PMAQI
9th Jul 2026243 PMAQI
9th Jul 2026264 PMAQI
9th Jul 2026265 PMAQI
9th Jul 2026246 PMAQI
9th Jul 2026277 PMAQI
9th Jul 2026248 PMAQI
9th Jul 2026289 PMAQI
9th Jul 20263010 PMAQI
9th Jul 20262611 PMAQI
10th Jul 20263012 AMAQI
10th Jul 2026301 AMAQI
10th Jul 2026292 AMAQI
10th Jul 2026293 AMAQI
10th Jul 2026284 AMAQI
29°C25/34°C
10th Jul 2026265 AMAQI
10th Jul 2026286 AMAQI
10th Jul 2026277 AMAQI
10th Jul 2026298 AMAQI
10th Jul 2026289 AMAQI
10th Jul 20262710 AMAQI
10th Jul 20263011 AMAQI
10th Jul 20262612 PMAQI
10th Jul 2026241 PMAQI
10th Jul 2026222 PMAQI
10th Jul 2026253 PMAQI
10th Jul 2026294 PMAQI
10th Jul 2026305 PMAQI
10th Jul 2026306 PMAQI
10th Jul 2026327 PMAQI
10th Jul 2026308 PMAQI
10th Jul 2026319 PMAQI
10th Jul 20263210 PMAQI
10th Jul 20263311 PMAQI
11th Jul 20263412 AMAQI
11th Jul 2026331 AMAQI
11th Jul 2026322 AMAQI
11th Jul 2026303 AMAQI
11th Jul 2026324 AMAQI
30°C26/35°C
11th Jul 2026305 AMAQI
11th Jul 2026326 AMAQI
11th Jul 2026347 AMAQI
11th Jul 2026368 AMAQI
11th Jul 2026389 AMAQI
11th Jul 20266410 AMAQI
11th Jul 20265411 AMAQI
11th Jul 20267012 PMAQI
11th Jul 2026621 PMAQI
11th Jul 2026712 PMAQI
11th Jul 2026663 PMAQI
11th Jul 2026624 PMAQI
11th Jul 2026545 PMAQI
11th Jul 2026486 PMAQI
11th Jul 2026487 PMAQI
11th Jul 2026538 PMAQI
11th Jul 2026579 PMAQI
11th Jul 20266810 PMAQI
11th Jul 20267211 PMAQI
12th Jul 20266612 AMAQI
12th Jul 2026701 AMAQI
12th Jul 2026682 AMAQI
12th Jul 2026713 AMAQI
12th Jul 2026744 AMAQI
31°C27/35°C
12th Jul 2026745 AMAQI
12th Jul 2026546 AMAQI
12th Jul 2026367 AMAQI
12th Jul 2026508 AMAQI
12th Jul 2026559 AMAQI
12th Jul 20265410 AMAQI
12th Jul 20266611 AMAQI
12th Jul 20266712 PMAQI
12th Jul 2026701 PMAQI
12th Jul 2026682 PMAQI
12th Jul 2026623 PMAQI
12th Jul 2026584 PMAQI
12th Jul 2026545 PMAQI
12th Jul 2026516 PMAQI
12th Jul 2026527 PMAQI
12th Jul 2026338 PMAQI
12th Jul 2026509 PMAQI
12th Jul 20265610 PMAQI
12th Jul 20265411 PMAQI
13th Jul 20266712 AMAQI
13th Jul 2026681 AMAQI
13th Jul 2026822 AMAQI
13th Jul 2026763 AMAQI
13th Jul 2026684 AMAQI
31°C27/35°C
13th Jul 2026585 AMAQI
13th Jul 2026486 AMAQI
13th Jul 2026487 AMAQI
13th Jul 2026648 AMAQI
13th Jul 2026649 AMAQI
13th Jul 20266010 AMAQI
13th Jul 20265811 AMAQI
13th Jul 20266712 PMAQI
13th Jul 2026661 PMAQI
13th Jul 2026702 PMAQI
13th Jul 2026633 PMAQI
13th Jul 2026624 PMAQI
13th Jul 2026645 PMAQI
13th Jul 2026646 PMAQI
13th Jul 2026707 PMAQI
13th Jul 2026798 PMAQI
13th Jul 2026789 PMAQI
13th Jul 20266910 PMAQI
13th Jul 20266511 PMAQI
14th Jul 20266412 AMAQI
14th Jul 2026591 AMAQI
14th Jul 2026582 AMAQI
14th Jul 2026653 AMAQI
14th Jul 2026584 AMAQI
32°C28/39°C
14th Jul 2026565 AMAQI
14th Jul 2026356 AMAQI
14th Jul 2026267 AMAQI
14th Jul 2026328 AMAQI
14th Jul 2026369 AMAQI
14th Jul 20262610 AMAQI
14th Jul 20262611 AMAQI
14th Jul 20262812 PMAQI
14th Jul 2026241 PMAQI
14th Jul 2026222 PMAQI
14th Jul 2026263 PMAQI
14th Jul 2026314 PMAQI
14th Jul 2026305 PMAQI
14th Jul 2026306 PMAQI
14th Jul 2026307 PMAQI
14th Jul 2026328 PMAQI
14th Jul 2026609 PMAQI
14th Jul 20268010 PMAQI
14th Jul 20268211 PMAQI
15th Jul 20267412 AMAQI
15th Jul 2026761 AMAQI
15th Jul 2026742 AMAQI
15th Jul 2026723 AMAQI
15th Jul 2026764 AMAQI
32°C28/38°C
15th Jul 2026855 AMAQI
15th Jul 2026886 AMAQI
15th Jul 2026697 AMAQI
15th Jul 2026728 AMAQI
15th Jul 2026389 AMAQI
15th Jul 20263310 AMAQI
15th Jul 20263311 AMAQI
15th Jul 20262912 PMAQI
15th Jul 2026291 PMAQI
15th Jul 2026232 PMAQI
15th Jul 2026193 PMAQI
15th Jul 2026174 PMAQI
15th Jul 2026165 PMAQI
15th Jul 2026206 PMAQI
15th Jul 2026197 PMAQI
15th Jul 2026168 PMAQI
15th Jul 2026169 PMAQI
15th Jul 20261610 PMAQI
15th Jul 20261111 PMAQI
16th Jul 20261312 AMAQI
16th Jul 2026211 AMAQI
16th Jul 2026172 AMAQI
16th Jul 2026173 AMAQI
16th Jul 2026194 AMAQI
32°C28/36°C
16th Jul 2026185 AMAQI
16th Jul 2026156 AMAQI
16th Jul 2026127 AMAQI
16th Jul 2026158 AMAQI
16th Jul 2026219 AMAQI
16th Jul 20262110 AMAQI
16th Jul 20261811 AMAQI
16th Jul 20261312 PMAQI
16th Jul 2026121 PMAQI
16th Jul 2026172 PMAQI
16th Jul 2026173 PMAQI
16th Jul 2026194 PMAQI
16th Jul 2026175 PMAQI
16th Jul 2026176 PMAQI
16th Jul 2026237 PMAQI
16th Jul 2026298 PMAQI
16th Jul 2026269 PMAQI
16th Jul 20262110 PMAQI
16th Jul 20262111 PMAQI
17th Jul 20262512 AMAQI
17th Jul 2026271 AMAQI
17th Jul 2026252 AMAQI
17th Jul 2026233 AMAQI
17th Jul 2026254 AMAQI
30°C27/35°C
17th Jul 2026235 AMAQI
17th Jul 2026256 AMAQI
17th Jul 2026257 AMAQI
17th Jul 2026248 AMAQI
17th Jul 2026289 AMAQI
17th Jul 20262410 AMAQI
17th Jul 20262611 AMAQI
17th Jul 20262212 PMAQI
17th Jul 2026231 PMAQI
17th Jul 2026222 PMAQI
17th Jul 2026213 PMAQI
17th Jul 2026214 PMAQI
17th Jul 2026255 PMAQI
17th Jul 2026256 PMAQI
17th Jul 2026257 PMAQI
17th Jul 2026258 PMAQI
17th Jul 2026259 PMAQI
17th Jul 20262710 PMAQI
17th Jul 20263111 PMAQI
18th Jul 20263112 AMAQI
18th Jul 2026311 AMAQI
18th Jul 2026292 AMAQI
18th Jul 2026313 AMAQI
18th Jul 2026294 AMAQI
31°C27/36°C
18th Jul 2026295 AMAQI
18th Jul 2026296 AMAQI
18th Jul 2026317 AMAQI
18th Jul 2026338 AMAQI
18th Jul 2026319 AMAQI
18th Jul 20262510 AMAQI
18th Jul 20262311 AMAQI
18th Jul 20262512 PMAQI
18th Jul 2026291 PMAQI
18th Jul 2026342 PMAQI
18th Jul 2026383 PMAQI
18th Jul 2026364 PMAQI
18th Jul 2026385 PMAQI
18th Jul 2026406 PMAQI
18th Jul 2026337 PMAQI
18th Jul 2026348 PMAQI
18th Jul 2026389 PMAQI
18th Jul 20263810 PMAQI
18th Jul 20264411 PMAQI
19th Jul 20264412 AMAQI
19th Jul 2026481 AMAQI
19th Jul 2026462 AMAQI
19th Jul 2026483 AMAQI
19th Jul 2026484 AMAQI
28°C25/31°C
19th Jul 2026425 AMAQI
19th Jul 2026466 AMAQI
19th Jul 2026447 AMAQI
19th Jul 2026468 AMAQI
19th Jul 2026429 AMAQI
19th Jul 20264010 AMAQI
19th Jul 20264211 AMAQI
19th Jul 20264412 PMAQI
19th Jul 2026461 PMAQI
19th Jul 2026462 PMAQI
19th Jul 2026443 PMAQI
19th Jul 2026444 PMAQI
19th Jul 2026385 PMAQI
19th Jul 2026386 PMAQI
19th Jul 2026447 PMAQI
19th Jul 2026448 PMAQI
19th Jul 2026389 PMAQI
19th Jul 20264410 PMAQI
19th Jul 20264411 PMAQI
20th Jul 20264412 AMAQI
20th Jul 2026441 AMAQI
20th Jul 2026402 AMAQI
20th Jul 2026403 AMAQI
20th Jul 2026404 AMAQI
25°C24/27°C
20th Jul 2026385 AMAQI
20th Jul 2026426 AMAQI
20th Jul 2026407 AMAQI
20th Jul 2026388 AMAQI
20th Jul 2026449 AMAQI
20th Jul 20264410 AMAQI
20th Jul 20264611 AMAQI
20th Jul 20264812 PMAQI
20th Jul 2026481 PMAQI
20th Jul 2026482 PMAQI
20th Jul 2026513 PMAQI
20th Jul 2026544 PMAQI
20th Jul 2026535 PMAQI
20th Jul 2026546 PMAQI
20th Jul 2026537 PMAQI
20th Jul 2026558 PMAQI
20th Jul 2026569 PMAQI
20th Jul 20266210 PMAQI
20th Jul 20266311 PMAQI
21st Jul 20268512 AMAQI
21st Jul 2026811 AMAQI
21st Jul 2026842 AMAQI
21st Jul 2026803 AMAQI
21st Jul 2026764 AMAQI
27°C24/31°C
21st Jul 2026755 AMAQI
21st Jul 2026836 AMAQI
21st Jul 2026907 AMAQI
21st Jul 2026888 AMAQI
21st Jul 2026929 AMAQI
21st Jul 20269810 AMAQI
21st Jul 20267312 PMAQI
21st Jul 2026731 PMAQI
21st Jul 2026702 PMAQI
21st Jul 2026723 PMAQI
21st Jul 2026724 PMAQI
21st Jul 2026715 PMAQI
21st Jul 20261046 PMAQI
21st Jul 2026757 PMAQI
21st Jul 2026728 PMAQI
21st Jul 2026749 PMAQI
21st Jul 20267310 PMAQI
21st Jul 20267111 PMAQI
22nd Jul 20262512 AMAQI
22nd Jul 2026251 AMAQI
22nd Jul 2026292 AMAQI
22nd Jul 2026293 AMAQI
22nd Jul 2026314 AMAQI
28°C24/34°C
22nd Jul 2026235 AMAQI
22nd Jul 2026216 AMAQI
22nd Jul 2026177 AMAQI
22nd Jul 2026218 AMAQI
22nd Jul 2026279 AMAQI
22nd Jul 20264410 AMAQI
22nd Jul 20264811 AMAQI
22nd Jul 20264612 PMAQI
22nd Jul 2026331 PMAQI
22nd Jul 2026362 PMAQI
22nd Jul 2026313 PMAQI
22nd Jul 2026234 PMAQI
22nd Jul 2026105 PMAQI
22nd Jul 2026196 PMAQI
22nd Jul 2026197 PMAQI
22nd Jul 2026168 PMAQI
22nd Jul 2026109 PMAQI
22nd Jul 2026810 PMAQI
22nd Jul 20261011 PMAQI
23rd Jul 20261012 AMAQI
23rd Jul 202681 AMAQI
23rd Jul 202682 AMAQI
23rd Jul 202693 AMAQI
23rd Jul 2026214 AMAQI
29°C25/35°C
23rd Jul 2026215 AMAQI
23rd Jul 2026196 AMAQI
23rd Jul 2026217 AMAQI
23rd Jul 2026258 AMAQI
23rd Jul 2026259 AMAQI
23rd Jul 20262710 AMAQI
23rd Jul 20263111 AMAQI
23rd Jul 20263112 PMAQI
23rd Jul 2026401 PMAQI
23rd Jul 2026512 PMAQI
23rd Jul 2026563 PMAQI
23rd Jul 2026564 PMAQI
23rd Jul 2026645 PMAQI
23rd Jul 2026596 PMAQI
23rd Jul 2026447 PMAQI
23rd Jul 2026448 PMAQI
23rd Jul 2026469 PMAQI
23rd Jul 20264410 PMAQI
23rd Jul 20264411 PMAQI
24th Jul 20264612 AMAQI
24th Jul 2026581 AMAQI
24th Jul 2026662 AMAQI
24th Jul 2026603 AMAQI
24th Jul 2026564 AMAQI
29°C24/35°C
24th Jul 2026605 AMAQI
24th Jul 2026626 AMAQI
24th Jul 2026607 AMAQI
24th Jul 2026628 AMAQI
24th Jul 2026719 AMAQI
24th Jul 20266610 AMAQI
24th Jul 20266611 AMAQI
24th Jul 20265512 PMAQI
24th Jul 2026361 PMAQI
24th Jul 2026362 PMAQI
24th Jul 2026313 PMAQI
24th Jul 2026334 PMAQI
24th Jul 2026295 PMAQI
24th Jul 2026336 PMAQI
24th Jul 2026387 PMAQI
24th Jul 2026428 PMAQI
24th Jul 2026429 PMAQI
24th Jul 20265310 PMAQI
24th Jul 20263811 PMAQI
25th Jul 20264212 AMAQI
25th Jul 2026481 AMAQI
25th Jul 2026502 AMAQI
25th Jul 2026463 AMAQI
25th Jul 2026574 AMAQI
29°C26/34°C
25th Jul 2026525 AMAQI
25th Jul 2026486 AMAQI
25th Jul 2026557 AMAQI
25th Jul 2026558 AMAQI
25th Jul 2026699 AMAQI
25th Jul 20267110 AMAQI
25th Jul 20267211 AMAQI
25th Jul 20265812 PMAQI
25th Jul 2026551 PMAQI
25th Jul 2026632 PMAQI
25th Jul 2026553 PMAQI
25th Jul 2026584 PMAQI
25th Jul 2026405 PMAQI
25th Jul 2026386 PMAQI
25th Jul 2026407 PMAQI
25th Jul 2026388 PMAQI
25th Jul 2026409 PMAQI
25th Jul 20264410 PMAQI
25th Jul 20264811 PMAQI
26th Jul 20264812 AMAQI
26th Jul 2026441 AMAQI
26th Jul 2026462 AMAQI
26th Jul 2026483 AMAQI
26th Jul 2026504 AMAQI
31°C27/36°C
26th Jul 2026465 AMAQI
26th Jul 2026466 AMAQI
26th Jul 2026517 AMAQI
26th Jul 2026488 AMAQI
26th Jul 2026529 AMAQI
26th Jul 20265410 AMAQI
26th Jul 20265611 AMAQI
26th Jul 20265512 PMAQI
26th Jul 2026621 PMAQI
26th Jul 2026662 PMAQI
26th Jul 2026623 PMAQI
26th Jul 2026584 PMAQI
26th Jul 2026425 PMAQI
26th Jul 2026466 PMAQI
26th Jul 2026507 PMAQI
26th Jul 2026338 PMAQI
26th Jul 2026309 PMAQI
26th Jul 20263410 PMAQI
26th Jul 20262811 PMAQI
27th Jul 20261912 AMAQI
27th Jul 2026181 AMAQI
27th Jul 2026192 AMAQI
27th Jul 2026193 AMAQI
27th Jul 2026214 AMAQI
30°C25/35°C
27th Jul 2026215 AMAQI
27th Jul 2026276 AMAQI
27th Jul 2026257 AMAQI
27th Jul 2026278 AMAQI
27th Jul 2026259 AMAQI
27th Jul 20262410 AMAQI
27th Jul 20262111 AMAQI
27th Jul 20261012 PMAQI
27th Jul 2026121 PMAQI
27th Jul 2026162 PMAQI
27th Jul 2026103 PMAQI
27th Jul 202684 PMAQI
27th Jul 202685 PMAQI
27th Jul 202686 PMAQI
27th Jul 202687 PMAQI
27th Jul 202688 PMAQI
27th Jul 202699 PMAQI
27th Jul 20261110 PMAQI
27th Jul 2026811 PMAQI
28th Jul 2026812 AMAQI
28th Jul 2026121 AMAQI
28th Jul 202682 AMAQI
28th Jul 202683 AMAQI
28th Jul 202684 AMAQI
24°C24/25°C
28th Jul 2026105 AMAQI
28th Jul 202686 AMAQI
28th Jul 202687 AMAQI
28th Jul 2026128 AMAQI
28th Jul 2026369 AMAQI
28th Jul 20262910 AMAQI
28th Jul 20262711 AMAQI
28th Jul 20262112 PMAQI
28th Jul 2026291 PMAQI
28th Jul 2026272 PMAQI
28th Jul 2026273 PMAQI
28th Jul 2026254 PMAQI
28th Jul 2026275 PMAQI
28th Jul 2026236 PMAQI
28th Jul 2026347 PMAQI
28th Jul 2026298 PMAQI
28th Jul 2026259 PMAQI
28th Jul 20262510 PMAQI
28th Jul 20262711 PMAQI
29th Jul 20263112 AMAQI
29th Jul 2026291 AMAQI
29th Jul 2026272 AMAQI
29th Jul 2026343 AMAQI
29th Jul 2026384 AMAQI
26°C24/31°C
29th Jul 2026345 AMAQI
29th Jul 2026346 AMAQI
29th Jul 2026217 AMAQI
29th Jul 2026298 AMAQI
29th Jul 2026319 AMAQI
29th Jul 20263810 AMAQI
29th Jul 20264911 AMAQI
29th Jul 20265012 PMAQI
29th Jul 2026381 PMAQI
29th Jul 2026312 PMAQI
29th Jul 2026293 PMAQI
29th Jul 2026404 PMAQI
29th Jul 2026445 PMAQI
29th Jul 2026426 PMAQI
29th Jul 2026447 PMAQI
29th Jul 2026468 PMAQI
29th Jul 2026529 PMAQI
29th Jul 20265710 PMAQI
29th Jul 20265611 PMAQI
30th Jul 20265212 AMAQI
30th Jul 2026481 AMAQI
30th Jul 2026382 AMAQI
30th Jul 2026293 AMAQI
30th Jul 2026234 AMAQI
27°C25/34°C
30th Jul 2026105 AMAQI
30th Jul 202686 AMAQI
30th Jul 202687 AMAQI
30th Jul 2026108 AMAQI
30th Jul 2026119 AMAQI
30th Jul 20261010 AMAQI
30th Jul 2026911 AMAQI
30th Jul 2026912 PMAQI
30th Jul 2026101 PMAQI
30th Jul 2026262 PMAQI
30th Jul 2026383 PMAQI
30th Jul 2026194 PMAQI
30th Jul 2026215 PMAQI
30th Jul 2026276 PMAQI
30th Jul 2026227 PMAQI
30th Jul 2026138 PMAQI
30th Jul 2026149 PMAQI
30th Jul 20261010 PMAQI
30th Jul 2026811 PMAQI
31st Jul 20261012 AMAQI
31st Jul 202681 AMAQI
31st Jul 202682 AMAQI
31st Jul 2026103 AMAQI
31st Jul 202684 AMAQI
29°C24/33°C
31st Jul 202685 AMAQI
31st Jul 202686 AMAQI
31st Jul 2026107 AMAQI
31st Jul 202688 AMAQI
31st Jul 2026109 AMAQI
31st Jul 20261210 AMAQI
31st Jul 20262511 AMAQI
31st Jul 20262112 PMAQI
31st Jul 2026251 PMAQI
31st Jul 2026362 PMAQI
31st Jul 2026253 PMAQI
31st Jul 2026254 PMAQI
31st Jul 2026255 PMAQI
31st Jul 2026316 PMAQI
31st Jul 2026257 PMAQI
31st Jul 2026298 PMAQI
31st Jul 2026259 PMAQI
31st Jul 20262310 PMAQI
31st Jul 20262111 PMAQI
1st Aug 20262512 AMAQI
1st Aug 2026211 AMAQI
1st Aug 2026212 AMAQI
1st Aug 2026213 AMAQI
1st Aug 2026234 AMAQI
29°C25/35°C
1st Aug 2026255 AMAQI
1st Aug 2026236 AMAQI
1st Aug 2026337 AMAQI
1st Aug 2026298 AMAQI
1st Aug 2026369 AMAQI
1st Aug 20262110 AMAQI
1st Aug 20262311 AMAQI
1st Aug 20262112 PMAQI
1st Aug 2026211 PMAQI
1st Aug 2026212 PMAQI
1st Aug 2026233 PMAQI
1st Aug 2026234 PMAQI
1st Aug 2026215 PMAQI
1st Aug 2026276 PMAQI
1st Aug 2026277 PMAQI
1st Aug 2026278 PMAQI
1st Aug 2026219 PMAQI
1st Aug 20262110 PMAQI
1st Aug 20262511 PMAQI
2nd Aug 20262512 AMAQI
2nd Aug 2026251 AMAQI
2nd Aug 2026272 AMAQI
2nd Aug 2026253 AMAQI
2nd Aug 2026254 AMAQI
29°C25/34°C
2nd Aug 2026255 AMAQI
5 AM2nd Aug 2026276 AMAQI
2nd Aug 2026297 AMAQI
2nd Aug 2026258 AMAQI
2nd Aug 2026299 AMAQI
2nd Aug 20262510 AMAQI
2nd Aug 20262911 AMAQI
2nd Aug 20262512 PMAQI
12 PM2nd Aug 2026291 PMAQI
2nd Aug 2026292 PMAQI
2nd Aug 2026313 PMAQI
2nd Aug 2026294 PMAQI
2nd Aug 2026335 PMAQI
2nd Aug 2026296 PMAQI
2nd Aug 2026257 PMAQI
7 PM2nd Aug 2026258 PMAQI
2nd Aug 2026259 PMAQI
2nd Aug 20262510 PMAQI
2nd Aug 20262511 PMAQI
12 AM
4 AM
29°C26/34°C
Day time
Avg. Highest Time
9 AM - 4 PM
35AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
7 AM
31AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 4 PM (Avg. 35), while the lowest AQI was between 7 AM to 7 AM (Avg. 31).
Night time
Avg. Highest Time
10 PM - 11 PM
36AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
3 AM
33AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 11 PM (Avg. 36), while the lowest AQI was between 3 AM to 3 AM (Avg. 33).
2026 Days Vs Air Quality
Changgeng, Changde, Hunan, China
2026
27%
58
42%
89
24%
52
7%
14
0.4%
1
Total number of days with different AQI categories in last 214 days in 2026 (151 days remaining)
Good
58 DaysModerate
89 DaysPoor
52 DaysUnhealthy
14 DaysSevere
1 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 27%
Health Risk Level:
Very high
In 2026, 27% of 214 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
Changgeng, 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
92AQI (US)
92AQI (US)
2nd January 2026
146AQI (US)
146AQI (US)
3rd January 2026
156AQI (US)
156AQI (US)
4th January 2026
125AQI (US)
125AQI (US)
5th January 2026
131AQI (US)
131AQI (US)
6th January 2026
137AQI (US)
137AQI (US)
7th January 2026
127AQI (US)
127AQI (US)
8th January 2026
137AQI (US)
137AQI (US)
9th January 2026
124AQI (US)
124AQI (US)
10th January 2026
145AQI (US)
145AQI (US)
11th January 2026
151AQI (US)
151AQI (US)
12th January 2026
160AQI (US)
160AQI (US)
13th January 2026
136AQI (US)
136AQI (US)
14th January 2026
152AQI (US)
152AQI (US)
15th January 2026
167AQI (US)
167AQI (US)
16th January 2026
174AQI (US)
174AQI (US)
17th January 2026
181AQI (US)
181AQI (US)
18th January 2026
201AQI (US)
201AQI (US)
19th January 2026
91AQI (US)
91AQI (US)
20th January 2026
107AQI (US)
107AQI (US)
21st January 2026
99AQI (US)
99AQI (US)
22nd January 2026
120AQI (US)
120AQI (US)
23rd January 2026
145AQI (US)
145AQI (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
139AQI (US)
139AQI (US)
30th January 2026
122AQI (US)
122AQI (US)
31st January 2026
127AQI (US)
127AQI (US)
1st February 2026
115AQI (US)
115AQI (US)
2nd February 2026
121AQI (US)
121AQI (US)
3rd February 2026
125AQI (US)
125AQI (US)
4th February 2026
134AQI (US)
134AQI (US)
5th February 2026
163AQI (US)
163AQI (US)
6th February 2026
175AQI (US)
175AQI (US)
7th February 2026
157AQI (US)
157AQI (US)
8th February 2026
148AQI (US)
148AQI (US)
9th February 2026
138AQI (US)
138AQI (US)
10th February 2026
121AQI (US)
121AQI (US)
11th February 2026
102AQI (US)
102AQI (US)
12th February 2026
150AQI (US)
150AQI (US)
13th February 2026
146AQI (US)
146AQI (US)
14th February 2026
136AQI (US)
136AQI (US)
15th February 2026
142AQI (US)
142AQI (US)
16th February 2026
59AQI (US)
59AQI (US)
17th February 2026
111AQI (US)
111AQI (US)
18th February 2026
139AQI (US)
139AQI (US)
19th February 2026
131AQI (US)
131AQI (US)
20th February 2026
89AQI (US)
89AQI (US)
21st February 2026
87AQI (US)
87AQI (US)
22nd February 2026
132AQI (US)
132AQI (US)
23rd February 2026
112AQI (US)
112AQI (US)
24th February 2026
91AQI (US)
91AQI (US)
25th February 2026
85AQI (US)
85AQI (US)
26th February 2026
66AQI (US)
66AQI (US)
27th February 2026
68AQI (US)
68AQI (US)
28th February 2026
93AQI (US)
93AQI (US)
1st March 2026
27AQI (US)
27AQI (US)
2nd March 2026
38AQI (US)
38AQI (US)
3rd March 2026
67AQI (US)
67AQI (US)
4th March 2026
78AQI (US)
78AQI (US)
5th March 2026
107AQI (US)
107AQI (US)
6th March 2026
141AQI (US)
141AQI (US)
7th March 2026
152AQI (US)
152AQI (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
138AQI (US)
138AQI (US)
13th March 2026
128AQI (US)
128AQI (US)
14th March 2026
126AQI (US)
126AQI (US)
15th March 2026
92AQI (US)
92AQI (US)
16th March 2026
36AQI (US)
36AQI (US)
17th March 2026
49AQI (US)
49AQI (US)
18th March 2026
53AQI (US)
53AQI (US)
19th March 2026
97AQI (US)
97AQI (US)
20th March 2026
135AQI (US)
135AQI (US)
21st March 2026
113AQI (US)
113AQI (US)
22nd March 2026
100AQI (US)
100AQI (US)
23rd March 2026
63AQI (US)
63AQI (US)
24th March 2026
106AQI (US)
106AQI (US)
25th March 2026
117AQI (US)
117AQI (US)
26th March 2026
70AQI (US)
70AQI (US)
27th March 2026
62AQI (US)
62AQI (US)
28th March 2026
72AQI (US)
72AQI (US)
29th March 2026
57AQI (US)
57AQI (US)
30th March 2026
34AQI (US)
34AQI (US)
31st March 2026
76AQI (US)
76AQI (US)
1st April 2026
43AQI (US)
43AQI (US)
2nd April 2026
55AQI (US)
55AQI (US)
3rd April 2026
40AQI (US)
40AQI (US)
4th April 2026
60AQI (US)
60AQI (US)
5th April 2026
97AQI (US)
97AQI (US)
6th April 2026
88AQI (US)
88AQI (US)
7th April 2026
112AQI (US)
112AQI (US)
8th April 2026
138AQI (US)
138AQI (US)
9th April 2026
113AQI (US)
113AQI (US)
10th April 2026
77AQI (US)
77AQI (US)
11th April 2026
85AQI (US)
85AQI (US)
12th April 2026
65AQI (US)
65AQI (US)
13th April 2026
84AQI (US)
84AQI (US)
14th April 2026
61AQI (US)
61AQI (US)
15th April 2026
57AQI (US)
57AQI (US)
16th April 2026
72AQI (US)
72AQI (US)
17th April 2026
74AQI (US)
74AQI (US)
18th April 2026
64AQI (US)
64AQI (US)
19th April 2026
98AQI (US)
98AQI (US)
20th April 2026
99AQI (US)
99AQI (US)
21st April 2026
37AQI (US)
37AQI (US)
22nd April 2026
28AQI (US)
28AQI (US)
23rd April 2026
55AQI (US)
55AQI (US)
24th April 2026
82AQI (US)
82AQI (US)
25th April 2026
74AQI (US)
74AQI (US)
26th April 2026
94AQI (US)
94AQI (US)
27th April 2026
56AQI (US)
56AQI (US)
28th April 2026
28AQI (US)
28AQI (US)
29th April 2026
39AQI (US)
39AQI (US)
30th April 2026
59AQI (US)
59AQI (US)
1st May 2026
66AQI (US)
66AQI (US)
2nd May 2026
72AQI (US)
72AQI (US)
3rd May 2026
37AQI (US)
37AQI (US)
4th May 2026
55AQI (US)
55AQI (US)
5th May 2026
63AQI (US)
63AQI (US)
6th May 2026
76AQI (US)
76AQI (US)
7th May 2026
67AQI (US)
67AQI (US)
8th May 2026
56AQI (US)
56AQI (US)
9th May 2026
35AQI (US)
35AQI (US)
10th May 2026
54AQI (US)
54AQI (US)
11th May 2026
79AQI (US)
79AQI (US)
12th May 2026
117AQI (US)
117AQI (US)
13th May 2026
25AQI (US)
25AQI (US)
14th May 2026
66AQI (US)
66AQI (US)
15th May 2026
99AQI (US)
99AQI (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
82AQI (US)
82AQI (US)
23rd May 2026
73AQI (US)
73AQI (US)
24th May 2026
71AQI (US)
71AQI (US)
25th May 2026
66AQI (US)
66AQI (US)
26th May 2026
51AQI (US)
51AQI (US)
27th May 2026
49AQI (US)
49AQI (US)
28th May 2026
55AQI (US)
55AQI (US)
29th May 2026
51AQI (US)
51AQI (US)
30th May 2026
51AQI (US)
51AQI (US)
31st May 2026
48AQI (US)
48AQI (US)
1st June 2026
79AQI (US)
79AQI (US)
2nd June 2026
84AQI (US)
84AQI (US)
3rd June 2026
55AQI (US)
55AQI (US)
4th June 2026
56AQI (US)
56AQI (US)
5th June 2026
108AQI (US)
108AQI (US)
6th June 2026
104AQI (US)
104AQI (US)
7th June 2026
77AQI (US)
77AQI (US)
8th June 2026
12AQI (US)
12AQI (US)
9th June 2026
25AQI (US)
25AQI (US)
10th June 2026
42AQI (US)
42AQI (US)
11th June 2026
60AQI (US)
60AQI (US)
12th June 2026
49AQI (US)
49AQI (US)
13th June 2026
31AQI (US)
31AQI (US)
14th June 2026
39AQI (US)
39AQI (US)
15th June 2026
63AQI (US)
63AQI (US)
16th June 2026
84AQI (US)
84AQI (US)
17th June 2026
94AQI (US)
94AQI (US)
18th June 2026
115AQI (US)
115AQI (US)
19th June 2026
38AQI (US)
38AQI (US)
20th June 2026
13AQI (US)
13AQI (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
47AQI (US)
47AQI (US)
25th June 2026
57AQI (US)
57AQI (US)
26th June 2026
51AQI (US)
51AQI (US)
27th June 2026
85AQI (US)
85AQI (US)
28th June 2026
95AQI (US)
95AQI (US)
29th June 2026
95AQI (US)
95AQI (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
17AQI (US)
17AQI (US)
5th July 2026
17AQI (US)
17AQI (US)
6th July 2026
17AQI (US)
17AQI (US)
7th July 2026
19AQI (US)
19AQI (US)
8th July 2026
21AQI (US)
21AQI (US)
9th July 2026
25AQI (US)
25AQI (US)
10th July 2026
29AQI (US)
29AQI (US)
11th July 2026
49AQI (US)
49AQI (US)
12th July 2026
59AQI (US)
59AQI (US)
13th July 2026
66AQI (US)
66AQI (US)
14th July 2026
42AQI (US)
42AQI (US)
15th July 2026
43AQI (US)
43AQI (US)
16th July 2026
18AQI (US)
18AQI (US)
17th July 2026
25AQI (US)
25AQI (US)
18th July 2026
32AQI (US)
32AQI (US)
19th July 2026
44AQI (US)
44AQI (US)
20th July 2026
48AQI (US)
48AQI (US)
21st July 2026
80AQI (US)
80AQI (US)
22nd July 2026
25AQI (US)
25AQI (US)
23rd July 2026
34AQI (US)
34AQI (US)
24th July 2026
50AQI (US)
50AQI (US)
25th July 2026
52AQI (US)
52AQI (US)
26th July 2026
48AQI (US)
48AQI (US)
27th July 2026
16AQI (US)
16AQI (US)
28th July 2026
21AQI (US)
21AQI (US)
29th July 2026
38AQI (US)
38AQI (US)
30th July 2026
20AQI (US)
20AQI (US)
31st July 2026
18AQI (US)
18AQI (US)
1st August 2026
24AQI (US)
24AQI (US)
2nd August 2026
27AQI (US)
27AQI (US)
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
141AQI (US)
119AQI (US)
90AQI (US)
71AQI (US)
63AQI (US)
58AQI (US)
34AQI (US)
26AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202681AQI (US)
3
17
10
1
8
17
3
5
14
11
1
6
21
3
5
25
1
13
14
3
27
4
2
58
89
52
14
1
Highest AQI (US) recorded in
January141AQI (US)
Lowest AQI (US) recorded in
August26AQI (US)
202598AQI (US)
12
15
4
3
20
5
17
14
13
13
3
1
24
7
5
25
7
24
7
24
7
23
2
16
12
1
1
18
10
1
4
11
15
1
29
191
99
40
5
1
Highest AQI (US) recorded in
January165AQI (US)
Lowest AQI (US) recorded in
August55AQI (US)
2024100AQI (US)
5
8
17
1
5
12
10
1
1
11
12
7
26
4
1
22
8
13
17
16
15
4
27
14
13
3
3
9
19
2
11
10
7
19
12
41
162
105
56
1
Highest AQI (US) recorded in
December146AQI (US)
Lowest AQI (US) recorded in
July51AQI (US)
2023103AQI (US)
1
8
11
8
2
2
12
14
12
15
4
4
12
12
1
1
1
21
9
5
24
1
10
21
2
21
8
5
19
6
3
17
10
1
13
10
3
1
6
13
9
2
31
169
104
43
11
2
Highest AQI (US) recorded in
January184AQI (US)
Lowest AQI (US) recorded in
July59AQI (US)
2022105AQI (US)
2
7
15
5
2
12
7
1
15
14
1
22
8
3
22
6
7
20
3
14
10
1
12
15
1
6
10
13
2
1
11
13
5
2
9
20
32
129
100
51
5
Highest AQI (US) recorded in
January168AQI (US)
Lowest AQI (US) recorded in
July49AQI (US)
2021106AQI (US)
1
11
17
1
7
15
6
1
12
17
1
2
13
15
4
21
6
5
13
12
30
1
5
11
5
2
18
9
1
3
14
8
6
1
9
10
10
3
10
15
3
23
152
119
56
4
Highest AQI (US) recorded in
January152AQI (US)
Lowest AQI (US) recorded in
July74AQI (US)
202095AQI (US)
3
2
5
3
10
9
2
12
6
5
24
1
5
26
8
19
4
4
21
5
7
11
12
1
10
10
10
2
5
22
2
32
137
57
38
2
Highest AQI (US) recorded in
December166AQI (US)
Lowest AQI (US) recorded in
June60AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2021(Avg.)
106AQI (US)Least Polluted Year Recorded
2026(Avg.)
81AQI (US)Changgeng's annual 2026 AQI (US) (81) shows an average percentage change of -19.8% (improved AQI (US)) compared to previous years: 2020 (95), 2021 (106), 2022 (105), 2023 (103), 2024 (100), 2025 (98).
