Hkust, Xiangtan, 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
Hkust, Xiangtan, Hunan, China
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2022
108AQILowest AQI recorded on
2nd Aug 2026
25AQISame Day Analysis (7th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 63 of Moderate air quality on the same day.
Day & Night AQI Trend: 6th Aug - 7th Aug 2026
Hkust, Xiangtan, Hunan, China
AQI
Day
Night
.
5 AM6th Aug 2026
7 PM
4 AM7th Aug 2026
Day time
Avg. Highest Time
5PM6th Aug
44AQI
Avg. Lowest Time
5AM6th Aug
20AQI
Night time
Avg. Highest Time
2AM7th Aug
102AQI
Avg. Lowest Time
8PM6th Aug
39AQI
In the last 24 hours,
Hkust's AQI reached its highest point of 102 at 2 AM during the Night, while the lowest point, 20, was recorded at 5 AM during the Day between 6th Aug and 7th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Hkust, Xiangtan, Hunan, China
JulAug
09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th
Day
Night
9th Jul 2026255 AMAQI
9th Jul 2026286 AMAQI
9th Jul 2026247 AMAQI
9th Jul 2026238 AMAQI
9th Jul 2026229 AMAQI
9th Jul 20262210 AMAQI
9th Jul 20262811 AMAQI
9th Jul 20263112 PMAQI
9th Jul 2026331 PMAQI
9th Jul 2026292 PMAQI
9th Jul 2026283 PMAQI
9th Jul 2026284 PMAQI
9th Jul 2026245 PMAQI
9th Jul 2026266 PMAQI
9th Jul 2026267 PMAQI
9th Jul 2026268 PMAQI
9th Jul 2026279 PMAQI
9th Jul 20262610 PMAQI
9th Jul 20262811 PMAQI
10th Jul 20262812 AMAQI
10th Jul 2026261 AMAQI
10th Jul 2026282 AMAQI
10th Jul 2026283 AMAQI
10th Jul 2026294 AMAQI
29°C25/34°C
10th Jul 2026285 AMAQI
10th Jul 2026586 AMAQI
10th Jul 2026577 AMAQI
10th Jul 2026598 AMAQI
10th Jul 2026559 AMAQI
10th Jul 20263410 AMAQI
10th Jul 20262611 AMAQI
10th Jul 20263212 PMAQI
10th Jul 2026281 PMAQI
10th Jul 2026252 PMAQI
10th Jul 2026263 PMAQI
10th Jul 2026234 PMAQI
10th Jul 2026185 PMAQI
10th Jul 2026206 PMAQI
10th Jul 2026267 PMAQI
10th Jul 2026308 PMAQI
10th Jul 2026169 PMAQI
10th Jul 20261910 PMAQI
10th Jul 20262511 PMAQI
11th Jul 20262512 AMAQI
11th Jul 2026291 AMAQI
11th Jul 2026202 AMAQI
11th Jul 2026303 AMAQI
11th Jul 2026344 AMAQI
30°C26/35°C
11th Jul 2026405 AMAQI
11th Jul 2026346 AMAQI
11th Jul 2026507 AMAQI
11th Jul 2026538 AMAQI
11th Jul 2026509 AMAQI
11th Jul 20262610 AMAQI
11th Jul 20265911 AMAQI
11th Jul 20264212 PMAQI
11th Jul 2026391 PMAQI
11th Jul 2026372 PMAQI
11th Jul 2026403 PMAQI
11th Jul 2026344 PMAQI
11th Jul 2026335 PMAQI
11th Jul 2026406 PMAQI
11th Jul 2026437 PMAQI
11th Jul 2026368 PMAQI
11th Jul 2026449 PMAQI
11th Jul 20265110 PMAQI
11th Jul 20265511 PMAQI
12th Jul 20265612 AMAQI
12th Jul 2026541 AMAQI
12th Jul 2026682 AMAQI
12th Jul 2026823 AMAQI
12th Jul 20261024 AMAQI
32°C27/37°C
12th Jul 2026905 AMAQI
12th Jul 2026856 AMAQI
12th Jul 2026857 AMAQI
12th Jul 2026868 AMAQI
12th Jul 2026829 AMAQI
12th Jul 20267310 AMAQI
12th Jul 20266511 AMAQI
12th Jul 20265312 PMAQI
12th Jul 2026461 PMAQI
12th Jul 2026302 PMAQI
12th Jul 2026383 PMAQI
12th Jul 2026294 PMAQI
12th Jul 2026325 PMAQI
12th Jul 2026366 PMAQI
12th Jul 2026377 PMAQI
12th Jul 2026338 PMAQI
12th Jul 2026369 PMAQI
12th Jul 20263810 PMAQI
12th Jul 20263811 PMAQI
13th Jul 20264212 AMAQI
13th Jul 2026401 AMAQI
13th Jul 2026422 AMAQI
13th Jul 2026553 AMAQI
13th Jul 2026564 AMAQI
31°C27/36°C
13th Jul 2026725 AMAQI
13th Jul 2026826 AMAQI
13th Jul 2026927 AMAQI
13th Jul 2026928 AMAQI
13th Jul 2026889 AMAQI
13th Jul 20265410 AMAQI
13th Jul 20265011 AMAQI
13th Jul 20264012 PMAQI
13th Jul 2026481 PMAQI
13th Jul 2026382 PMAQI
13th Jul 2026453 PMAQI
13th Jul 2026464 PMAQI
13th Jul 2026315 PMAQI
13th Jul 2026316 PMAQI
13th Jul 2026467 PMAQI
13th Jul 2026418 PMAQI
13th Jul 2026409 PMAQI
13th Jul 20264810 PMAQI
13th Jul 20265211 PMAQI
14th Jul 20265712 AMAQI
14th Jul 2026561 AMAQI
14th Jul 2026512 AMAQI
14th Jul 2026523 AMAQI
14th Jul 2026524 AMAQI
32°C27/39°C
14th Jul 2026545 AMAQI
14th Jul 2026606 AMAQI
14th Jul 2026597 AMAQI
14th Jul 2026638 AMAQI
14th Jul 2026649 AMAQI
14th Jul 20267010 AMAQI
14th Jul 20267411 AMAQI
14th Jul 20268112 PMAQI
14th Jul 2026851 PMAQI
14th Jul 2026812 PMAQI
14th Jul 2026783 PMAQI
14th Jul 2026784 PMAQI
14th Jul 2026815 PMAQI
14th Jul 2026846 PMAQI
14th Jul 2026827 PMAQI
14th Jul 2026798 PMAQI
14th Jul 2026709 PMAQI
14th Jul 20264910 PMAQI
14th Jul 20263411 PMAQI
15th Jul 20262312 AMAQI
15th Jul 2026161 AMAQI
15th Jul 202682 AMAQI
15th Jul 202683 AMAQI
15th Jul 202684 AMAQI
32°C28/38°C
15th Jul 202685 AMAQI
15th Jul 2026106 AMAQI
15th Jul 202687 AMAQI
15th Jul 202688 AMAQI
15th Jul 202689 AMAQI
15th Jul 2026810 AMAQI
15th Jul 20261711 AMAQI
15th Jul 20262412 PMAQI
15th Jul 2026221 PMAQI
15th Jul 2026172 PMAQI
15th Jul 2026143 PMAQI
15th Jul 2026134 PMAQI
15th Jul 2026145 PMAQI
15th Jul 2026176 PMAQI
15th Jul 2026167 PMAQI
15th Jul 2026178 PMAQI
15th Jul 2026199 PMAQI
15th Jul 20261910 PMAQI
15th Jul 20262111 PMAQI
16th Jul 20262712 AMAQI
16th Jul 2026291 AMAQI
16th Jul 2026252 AMAQI
16th Jul 2026173 AMAQI
16th Jul 2026124 AMAQI
31°C27/36°C
16th Jul 2026125 AMAQI
16th Jul 2026126 AMAQI
16th Jul 2026177 AMAQI
16th Jul 2026178 AMAQI
16th Jul 2026219 AMAQI
16th Jul 20261910 AMAQI
16th Jul 20262111 AMAQI
16th Jul 20262512 PMAQI
16th Jul 2026311 PMAQI
16th Jul 2026362 PMAQI
16th Jul 2026383 PMAQI
16th Jul 2026384 PMAQI
16th Jul 2026405 PMAQI
16th Jul 2026386 PMAQI
16th Jul 2026387 PMAQI
16th Jul 2026428 PMAQI
16th Jul 2026459 PMAQI
16th Jul 20264810 PMAQI
16th Jul 20264011 PMAQI
17th Jul 20263412 AMAQI
17th Jul 2026251 AMAQI
17th Jul 2026232 AMAQI
17th Jul 2026203 AMAQI
17th Jul 2026214 AMAQI
31°C27/36°C
17th Jul 2026205 AMAQI
17th Jul 2026206 AMAQI
17th Jul 2026187 AMAQI
17th Jul 2026188 AMAQI
17th Jul 2026189 AMAQI
17th Jul 20262210 AMAQI
17th Jul 20262311 AMAQI
17th Jul 20262812 PMAQI
17th Jul 2026261 PMAQI
17th Jul 2026242 PMAQI
17th Jul 2026523 PMAQI
17th Jul 2026544 PMAQI
17th Jul 2026575 PMAQI
17th Jul 2026596 PMAQI
17th Jul 2026597 PMAQI
17th Jul 2026568 PMAQI
17th Jul 2026549 PMAQI
17th Jul 20265210 PMAQI
17th Jul 20265211 PMAQI
18th Jul 20265112 AMAQI
18th Jul 2026441 AMAQI
18th Jul 2026382 AMAQI
18th Jul 2026363 AMAQI
18th Jul 2026314 AMAQI
32°C27/38°C
18th Jul 2026255 AMAQI
18th Jul 2026236 AMAQI
18th Jul 2026237 AMAQI
18th Jul 2026348 AMAQI
18th Jul 2026549 AMAQI
18th Jul 20266210 AMAQI
18th Jul 20264811 AMAQI
18th Jul 20263212 PMAQI
18th Jul 2026291 PMAQI
18th Jul 2026362 PMAQI
18th Jul 2026423 PMAQI
18th Jul 2026284 PMAQI
18th Jul 2026275 PMAQI
18th Jul 2026276 PMAQI
18th Jul 2026227 PMAQI
18th Jul 2026278 PMAQI
18th Jul 2026309 PMAQI
18th Jul 20265010 PMAQI
18th Jul 20266411 PMAQI
19th Jul 20268312 AMAQI
19th Jul 2026601 AMAQI
19th Jul 2026402 AMAQI
19th Jul 2026423 AMAQI
19th Jul 2026444 AMAQI
30°C26/36°C
19th Jul 2026505 AMAQI
19th Jul 2026386 AMAQI
19th Jul 2026317 AMAQI
19th Jul 2026338 AMAQI
19th Jul 2026409 AMAQI
19th Jul 20263110 AMAQI
19th Jul 20262911 AMAQI
19th Jul 20262712 PMAQI
19th Jul 2026251 PMAQI
19th Jul 2026212 PMAQI
19th Jul 2026233 PMAQI
19th Jul 2026174 PMAQI
19th Jul 202685 PMAQI
19th Jul 2026216 PMAQI
19th Jul 2026277 PMAQI
19th Jul 2026298 PMAQI
19th Jul 2026339 PMAQI
19th Jul 20262710 PMAQI
19th Jul 20264211 PMAQI
20th Jul 20264612 AMAQI
20th Jul 2026441 AMAQI
20th Jul 2026422 AMAQI
20th Jul 2026513 AMAQI
20th Jul 2026504 AMAQI
25°C24/26°C
20th Jul 2026505 AMAQI
20th Jul 2026526 AMAQI
20th Jul 2026537 AMAQI
20th Jul 2026508 AMAQI
20th Jul 2026529 AMAQI
20th Jul 20264610 AMAQI
20th Jul 20264811 AMAQI
20th Jul 20265112 PMAQI
20th Jul 2026511 PMAQI
20th Jul 2026472 PMAQI
20th Jul 2026583 PMAQI
20th Jul 2026694 PMAQI
20th Jul 2026585 PMAQI
20th Jul 2026456 PMAQI
20th Jul 2026287 PMAQI
20th Jul 2026288 PMAQI
20th Jul 2026349 PMAQI
20th Jul 20263810 PMAQI
20th Jul 20266011 PMAQI
21st Jul 20265012 AMAQI
21st Jul 2026511 AMAQI
21st Jul 2026552 AMAQI
21st Jul 2026513 AMAQI
21st Jul 2026484 AMAQI
23°C22/24°C
21st Jul 2026425 AMAQI
21st Jul 2026296 AMAQI
21st Jul 2026297 AMAQI
21st Jul 2026278 AMAQI
21st Jul 2026299 AMAQI
21st Jul 20263610 AMAQI
21st Jul 20264612 PMAQI
21st Jul 2026461 PMAQI
21st Jul 2026482 PMAQI
21st Jul 2026443 PMAQI
21st Jul 2026384 PMAQI
21st Jul 2026385 PMAQI
21st Jul 2026846 PMAQI
21st Jul 2026387 PMAQI
21st Jul 2026258 PMAQI
21st Jul 2026259 PMAQI
21st Jul 20262710 PMAQI
21st Jul 20262911 PMAQI
22nd Jul 20262912 AMAQI
22nd Jul 2026291 AMAQI
22nd Jul 2026292 AMAQI
22nd Jul 2026313 AMAQI
22nd Jul 2026294 AMAQI
26°C24/30°C
22nd Jul 2026295 AMAQI
22nd Jul 2026316 AMAQI
22nd Jul 2026367 AMAQI
22nd Jul 2026388 AMAQI
22nd Jul 2026369 AMAQI
22nd Jul 20263810 AMAQI
22nd Jul 20264211 AMAQI
22nd Jul 20264612 PMAQI
22nd Jul 2026441 PMAQI
22nd Jul 2026462 PMAQI
22nd Jul 2026483 PMAQI
22nd Jul 2026464 PMAQI
22nd Jul 2026525 PMAQI
22nd Jul 2026486 PMAQI
22nd Jul 2026507 PMAQI
22nd Jul 2026538 PMAQI
22nd Jul 2026579 PMAQI
22nd Jul 20265310 PMAQI
22nd Jul 20265111 PMAQI
23rd Jul 20265312 AMAQI
23rd Jul 2026601 AMAQI
23rd Jul 2026562 AMAQI
23rd Jul 2026553 AMAQI
23rd Jul 2026514 AMAQI
25°C24/27°C
23rd Jul 2026445 AMAQI
23rd Jul 2026426 AMAQI
23rd Jul 2026387 AMAQI
23rd Jul 2026428 AMAQI
23rd Jul 2026409 AMAQI
23rd Jul 20263810 AMAQI
23rd Jul 20263811 AMAQI
23rd Jul 20263612 PMAQI
23rd Jul 2026331 PMAQI
23rd Jul 2026312 PMAQI
23rd Jul 2026363 PMAQI
23rd Jul 2026314 PMAQI
23rd Jul 2026405 PMAQI
23rd Jul 2026446 PMAQI
23rd Jul 2026407 PMAQI
23rd Jul 2026488 PMAQI
23rd Jul 2026449 PMAQI
23rd Jul 20264810 PMAQI
23rd Jul 20264611 PMAQI
24th Jul 20264612 AMAQI
24th Jul 2026441 AMAQI
24th Jul 2026482 AMAQI
24th Jul 2026443 AMAQI
24th Jul 2026484 AMAQI
27°C25/34°C
24th Jul 2026515 AMAQI
24th Jul 2026526 AMAQI
24th Jul 2026307 AMAQI
24th Jul 2026288 AMAQI
24th Jul 2026329 AMAQI
24th Jul 20263810 AMAQI
24th Jul 20264311 AMAQI
24th Jul 20264312 PMAQI
24th Jul 2026461 PMAQI
24th Jul 2026542 PMAQI
24th Jul 2026323 PMAQI
24th Jul 2026234 PMAQI
24th Jul 2026295 PMAQI
24th Jul 2026326 PMAQI
24th Jul 2026307 PMAQI
24th Jul 2026218 PMAQI
24th Jul 2026189 PMAQI
24th Jul 2026810 PMAQI
24th Jul 2026811 PMAQI
25th Jul 20261412 AMAQI
25th Jul 2026461 AMAQI
25th Jul 2026552 AMAQI
25th Jul 2026703 AMAQI
25th Jul 2026694 AMAQI
30°C25/35°C
25th Jul 2026855 AMAQI
25th Jul 2026846 AMAQI
25th Jul 2026767 AMAQI
25th Jul 2026898 AMAQI
25th Jul 2026809 AMAQI
25th Jul 20263010 AMAQI
25th Jul 20264411 AMAQI
25th Jul 20264312 PMAQI
25th Jul 2026451 PMAQI
25th Jul 2026542 PMAQI
25th Jul 2026443 PMAQI
25th Jul 2026364 PMAQI
25th Jul 2026425 PMAQI
25th Jul 2026466 PMAQI
25th Jul 2026457 PMAQI
25th Jul 2026488 PMAQI
25th Jul 2026479 PMAQI
25th Jul 20265310 PMAQI
25th Jul 20266011 PMAQI
26th Jul 20266812 AMAQI
26th Jul 2026741 AMAQI
26th Jul 2026832 AMAQI
26th Jul 20261083 AMAQI
26th Jul 2026924 AMAQI
31°C26/36°C
26th Jul 20261085 AMAQI
26th Jul 20261156 AMAQI
26th Jul 2026997 AMAQI
26th Jul 2026928 AMAQI
26th Jul 2026849 AMAQI
26th Jul 20263810 AMAQI
26th Jul 20264211 AMAQI
26th Jul 20264212 PMAQI
26th Jul 2026361 PMAQI
26th Jul 2026382 PMAQI
26th Jul 2026423 PMAQI
26th Jul 2026404 PMAQI
26th Jul 2026425 PMAQI
26th Jul 2026406 PMAQI
26th Jul 2026227 PMAQI
26th Jul 202688 PMAQI
26th Jul 202689 PMAQI
26th Jul 2026810 PMAQI
26th Jul 2026811 PMAQI
27th Jul 2026812 AMAQI
27th Jul 2026121 AMAQI
27th Jul 2026102 AMAQI
27th Jul 2026103 AMAQI
27th Jul 2026214 AMAQI
29°C26/35°C
27th Jul 2026275 AMAQI
27th Jul 2026336 AMAQI
27th Jul 2026337 AMAQI
27th Jul 2026328 AMAQI
27th Jul 2026469 AMAQI
27th Jul 20264010 AMAQI
27th Jul 20263811 AMAQI
27th Jul 20264212 PMAQI
27th Jul 2026381 PMAQI
27th Jul 2026292 PMAQI
27th Jul 2026273 PMAQI
27th Jul 2026254 PMAQI
27th Jul 2026295 PMAQI
27th Jul 2026176 PMAQI
27th Jul 2026197 PMAQI
27th Jul 2026218 PMAQI
27th Jul 2026219 PMAQI
27th Jul 20262310 PMAQI
27th Jul 20262311 PMAQI
28th Jul 20262912 AMAQI
28th Jul 2026331 AMAQI
28th Jul 2026312 AMAQI
28th Jul 2026233 AMAQI
28th Jul 2026274 AMAQI
24°C23/25°C
28th Jul 2026215 AMAQI
28th Jul 2026196 AMAQI
28th Jul 2026177 AMAQI
28th Jul 2026238 AMAQI
28th Jul 2026239 AMAQI
28th Jul 20262110 AMAQI
28th Jul 20262111 AMAQI
28th Jul 20262112 PMAQI
28th Jul 2026211 PMAQI
28th Jul 2026212 PMAQI
28th Jul 2026213 PMAQI
28th Jul 2026294 PMAQI
28th Jul 2026305 PMAQI
28th Jul 2026406 PMAQI
28th Jul 2026217 PMAQI
28th Jul 2026218 PMAQI
28th Jul 2026349 PMAQI
28th Jul 20262110 PMAQI
28th Jul 20262111 PMAQI
29th Jul 20262512 AMAQI
29th Jul 2026211 AMAQI
29th Jul 2026212 AMAQI
29th Jul 2026213 AMAQI
29th Jul 2026214 AMAQI
26°C23/29°C
29th Jul 2026235 AMAQI
29th Jul 2026236 AMAQI
29th Jul 2026257 AMAQI
29th Jul 2026218 AMAQI
29th Jul 2026309 AMAQI
29th Jul 20263810 AMAQI
29th Jul 20262711 AMAQI
29th Jul 20262512 PMAQI
29th Jul 2026211 PMAQI
29th Jul 2026232 PMAQI
29th Jul 2026233 PMAQI
29th Jul 2026254 PMAQI
29th Jul 2026255 PMAQI
29th Jul 2026256 PMAQI
29th Jul 2026317 PMAQI
29th Jul 2026338 PMAQI
29th Jul 2026299 PMAQI
29th Jul 20262510 PMAQI
29th Jul 20262311 PMAQI
30th Jul 20262312 AMAQI
30th Jul 2026231 AMAQI
30th Jul 2026252 AMAQI
30th Jul 2026253 AMAQI
30th Jul 2026254 AMAQI
27°C24/31°C
30th Jul 2026255 AMAQI
30th Jul 2026296 AMAQI
30th Jul 2026297 AMAQI
30th Jul 2026298 AMAQI
30th Jul 2026299 AMAQI
30th Jul 20262110 AMAQI
30th Jul 20262511 AMAQI
30th Jul 20262512 PMAQI
30th Jul 2026251 PMAQI
30th Jul 2026252 PMAQI
30th Jul 2026253 PMAQI
30th Jul 2026254 PMAQI
30th Jul 2026275 PMAQI
30th Jul 2026276 PMAQI
30th Jul 2026217 PMAQI
30th Jul 2026298 PMAQI
30th Jul 2026259 PMAQI
30th Jul 20262910 PMAQI
30th Jul 20262911 PMAQI
31st Jul 20263112 AMAQI
31st Jul 2026271 AMAQI
31st Jul 2026212 AMAQI
31st Jul 2026363 AMAQI
31st Jul 2026294 AMAQI
28°C24/34°C
31st Jul 2026345 AMAQI
31st Jul 2026296 AMAQI
31st Jul 2026327 AMAQI
31st Jul 2026298 AMAQI
31st Jul 2026299 AMAQI
31st Jul 20262110 AMAQI
31st Jul 20262511 AMAQI
31st Jul 20262512 PMAQI
31st Jul 2026291 PMAQI
31st Jul 2026212 PMAQI
31st Jul 2026253 PMAQI
31st Jul 2026274 PMAQI
31st Jul 2026235 PMAQI
31st Jul 2026256 PMAQI
31st Jul 2026257 PMAQI
31st Jul 2026258 PMAQI
31st Jul 2026279 PMAQI
31st Jul 20262710 PMAQI
31st Jul 20262511 PMAQI
1st Aug 20262912 AMAQI
1st Aug 2026381 AMAQI
1st Aug 2026382 AMAQI
1st Aug 2026383 AMAQI
1st Aug 2026384 AMAQI
28°C24/34°C
1st Aug 2026405 AMAQI
1st Aug 2026426 AMAQI
1st Aug 2026297 AMAQI
1st Aug 2026258 AMAQI
1st Aug 2026299 AMAQI
1st Aug 20262510 AMAQI
1st Aug 20262511 AMAQI
1st Aug 20262512 PMAQI
1st Aug 2026251 PMAQI
1st Aug 2026232 PMAQI
1st Aug 2026213 PMAQI
1st Aug 2026254 PMAQI
1st Aug 2026275 PMAQI
1st Aug 2026256 PMAQI
1st Aug 2026257 PMAQI
1st Aug 2026278 PMAQI
1st Aug 2026279 PMAQI
1st Aug 20263610 PMAQI
1st Aug 20264211 PMAQI
2nd Aug 20262712 AMAQI
2nd Aug 2026251 AMAQI
2nd Aug 2026272 AMAQI
2nd Aug 2026253 AMAQI
2nd Aug 2026254 AMAQI
29°C25/35°C
2nd Aug 2026255 AMAQI
2nd Aug 2026256 AMAQI
2nd Aug 2026257 AMAQI
2nd Aug 2026258 AMAQI
2nd Aug 2026259 AMAQI
2nd Aug 20262510 AMAQI
2nd Aug 20262311 AMAQI
2nd Aug 20262112 PMAQI
2nd Aug 2026211 PMAQI
2nd Aug 2026232 PMAQI
2nd Aug 2026253 PMAQI
2nd Aug 2026274 PMAQI
2nd Aug 2026315 PMAQI
2nd Aug 2026316 PMAQI
2nd Aug 2026257 PMAQI
2nd Aug 2026238 PMAQI
2nd Aug 2026299 PMAQI
2nd Aug 20262710 PMAQI
2nd Aug 20262511 PMAQI
3rd Aug 20262912 AMAQI
3rd Aug 2026291 AMAQI
3rd Aug 2026212 AMAQI
3rd Aug 2026253 AMAQI
3rd Aug 2026254 AMAQI
29°C25/35°C
3rd Aug 2026295 AMAQI
3rd Aug 2026276 AMAQI
3rd Aug 2026257 AMAQI
3rd Aug 2026258 AMAQI
3rd Aug 2026259 AMAQI
3rd Aug 20262710 AMAQI
3rd Aug 20262711 AMAQI
3rd Aug 20262912 PMAQI
3rd Aug 2026291 PMAQI
3rd Aug 2026212 PMAQI
3rd Aug 2026253 PMAQI
3rd Aug 2026254 PMAQI
3rd Aug 2026255 PMAQI
3rd Aug 2026256 PMAQI
3rd Aug 2026237 PMAQI
3rd Aug 2026238 PMAQI
3rd Aug 2026299 PMAQI
3rd Aug 20262710 PMAQI
3rd Aug 20262311 PMAQI
4th Aug 20262312 AMAQI
4th Aug 2026211 AMAQI
4th Aug 2026212 AMAQI
4th Aug 2026213 AMAQI
4th Aug 2026234 AMAQI
29°C25/34°C
4th Aug 2026235 AMAQI
4th Aug 2026256 AMAQI
4th Aug 2026237 AMAQI
4th Aug 2026278 AMAQI
4th Aug 2026259 AMAQI
4th Aug 20262710 AMAQI
4th Aug 20262511 AMAQI
4th Aug 20262512 PMAQI
4th Aug 2026251 PMAQI
4th Aug 2026232 PMAQI
4th Aug 2026233 PMAQI
4th Aug 2026234 PMAQI
4th Aug 2026215 PMAQI
4th Aug 2026216 PMAQI
4th Aug 2026217 PMAQI
4th Aug 2026218 PMAQI
4th Aug 2026279 PMAQI
4th Aug 20264210 PMAQI
4th Aug 20264911 PMAQI
5th Aug 20264412 AMAQI
5th Aug 2026861 AMAQI
5th Aug 2026662 AMAQI
5th Aug 2026693 AMAQI
5th Aug 2026704 AMAQI
28°C25/35°C
5th Aug 2026685 AMAQI
5th Aug 2026686 AMAQI
5th Aug 2026727 AMAQI
5th Aug 2026748 AMAQI
5th Aug 2026719 AMAQI
5th Aug 20267810 AMAQI
5th Aug 20268211 AMAQI
5th Aug 20268412 PMAQI
5th Aug 2026891 PMAQI
5th Aug 2026992 PMAQI
5th Aug 2026923 PMAQI
5th Aug 2026814 PMAQI
5th Aug 2026375 PMAQI
5th Aug 2026746 PMAQI
5th Aug 2026787 PMAQI
5th Aug 2026608 PMAQI
5th Aug 2026639 PMAQI
5th Aug 20266410 PMAQI
5th Aug 20266311 PMAQI
6th Aug 20266412 AMAQI
6th Aug 2026211 AMAQI
6th Aug 2026242 AMAQI
6th Aug 2026303 AMAQI
6th Aug 2026284 AMAQI
28°C25/35°C
6th Aug 2026205 AMAQI
6th Aug 2026256 AMAQI
6th Aug 2026257 AMAQI
6th Aug 2026298 AMAQI
6th Aug 2026299 AMAQI
6th Aug 20262710 AMAQI
6th Aug 20262411 AMAQI
6th Aug 20262212 PMAQI
6th Aug 2026301 PMAQI
6th Aug 2026362 PMAQI
6th Aug 2026363 PMAQI
6th Aug 2026424 PMAQI
6th Aug 2026445 PMAQI
6th Aug 2026406 PMAQI
6th Aug 2026417 PMAQI
6th Aug 2026398 PMAQI
6th Aug 2026409 PMAQI
6th Aug 20265710 PMAQI
6th Aug 20265811 PMAQI
7th Aug 20267412 AMAQI
7th Aug 2026741 AMAQI
7th Aug 20261022 AMAQI
7th Aug 2026853 AMAQI
7th Aug 2026794 AMAQI
29°C24/34°C
7th Aug 2026835 AMAQI
5 AM7th Aug 2026906 AMAQI
7th Aug 2026667 AMAQI
7th Aug 2026678 AMAQI
7th Aug 2026689 AMAQI
7th Aug 20266910 AMAQI
7th Aug 20266511 AMAQI
7th Aug 20267212 PMAQI
12 PM7th Aug 2026541 PMAQI
7th Aug 2026572 PMAQI
7th Aug 2026553 PMAQI
7th Aug 2026564 PMAQI
7th Aug 2026595 PMAQI
7th Aug 2026526 PMAQI
7th Aug 2026487 PMAQI
7 PM7th Aug 2026528 PMAQI
7th Aug 2026229 PMAQI
7th Aug 20262210 PMAQI
7th Aug 20264211 PMAQI
12 AM
4 AM
29°C25/35°C
Day time
Avg. Highest Time
5 AM - 6 AM
43AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
4 PM - 5 PM
36AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 6 AM (Avg. 43), while the lowest AQI was between 4 PM to 5 PM (Avg. 36).
Night time
Avg. Highest Time
3 AM - 4 AM
40AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
8 PM - 10 PM
34AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 4 AM (Avg. 40), while the lowest AQI was between 8 PM to 10 PM (Avg. 34).
2026 Days Vs Air Quality
Hkust, Xiangtan, Hunan, China
2026
28%
62
48%
106
20%
44
3%
7
Total number of days with different AQI categories in last 219 days in 2026 (146 days remaining)
Good
62 DaysModerate
106 DaysPoor
44 DaysUnhealthy
7 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 28%
Health Risk Level:
Very high
In 2026, 28% of 219 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
Hkust, Xiangtan, 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
76AQI (US)
76AQI (US)
2nd January 2026
102AQI (US)
102AQI (US)
3rd January 2026
125AQI (US)
125AQI (US)
4th January 2026
117AQI (US)
117AQI (US)
5th January 2026
120AQI (US)
120AQI (US)
6th January 2026
153AQI (US)
153AQI (US)
7th January 2026
137AQI (US)
137AQI (US)
8th January 2026
121AQI (US)
121AQI (US)
9th January 2026
130AQI (US)
130AQI (US)
10th January 2026
128AQI (US)
128AQI (US)
11th January 2026
147AQI (US)
147AQI (US)
12th January 2026
119AQI (US)
119AQI (US)
13th January 2026
153AQI (US)
153AQI (US)
14th January 2026
129AQI (US)
129AQI (US)
15th January 2026
144AQI (US)
144AQI (US)
16th January 2026
160AQI (US)
160AQI (US)
17th January 2026
183AQI (US)
183AQI (US)
18th January 2026
191AQI (US)
191AQI (US)
19th January 2026
74AQI (US)
74AQI (US)
20th January 2026
60AQI (US)
60AQI (US)
21st January 2026
102AQI (US)
102AQI (US)
22nd January 2026
97AQI (US)
97AQI (US)
23rd January 2026
128AQI (US)
128AQI (US)
24th January 2026
94AQI (US)
94AQI (US)
25th January 2026
133AQI (US)
133AQI (US)
26th January 2026
95AQI (US)
95AQI (US)
27th January 2026
145AQI (US)
145AQI (US)
28th January 2026
154AQI (US)
154AQI (US)
29th January 2026
119AQI (US)
119AQI (US)
30th January 2026
90AQI (US)
90AQI (US)
31st January 2026
107AQI (US)
107AQI (US)
1st February 2026
97AQI (US)
97AQI (US)
2nd February 2026
95AQI (US)
95AQI (US)
3rd February 2026
74AQI (US)
74AQI (US)
4th February 2026
94AQI (US)
94AQI (US)
5th February 2026
143AQI (US)
143AQI (US)
6th February 2026
157AQI (US)
157AQI (US)
7th February 2026
128AQI (US)
128AQI (US)
8th February 2026
131AQI (US)
131AQI (US)
9th February 2026
118AQI (US)
118AQI (US)
10th February 2026
121AQI (US)
121AQI (US)
11th February 2026
106AQI (US)
106AQI (US)
12th February 2026
119AQI (US)
119AQI (US)
13th February 2026
120AQI (US)
120AQI (US)
14th February 2026
97AQI (US)
97AQI (US)
15th February 2026
94AQI (US)
94AQI (US)
16th February 2026
40AQI (US)
40AQI (US)
17th February 2026
137AQI (US)
137AQI (US)
18th February 2026
138AQI (US)
138AQI (US)
19th February 2026
115AQI (US)
115AQI (US)
20th February 2026
87AQI (US)
87AQI (US)
21st February 2026
75AQI (US)
75AQI (US)
22nd February 2026
98AQI (US)
98AQI (US)
23rd February 2026
93AQI (US)
93AQI (US)
24th February 2026
58AQI (US)
58AQI (US)
25th February 2026
97AQI (US)
97AQI (US)
26th February 2026
43AQI (US)
43AQI (US)
27th February 2026
60AQI (US)
60AQI (US)
28th February 2026
63AQI (US)
63AQI (US)
1st March 2026
14AQI (US)
14AQI (US)
2nd March 2026
60AQI (US)
60AQI (US)
3rd March 2026
89AQI (US)
89AQI (US)
4th March 2026
99AQI (US)
99AQI (US)
5th March 2026
120AQI (US)
120AQI (US)
6th March 2026
143AQI (US)
143AQI (US)
7th March 2026
143AQI (US)
143AQI (US)
8th March 2026
94AQI (US)
94AQI (US)
9th March 2026
118AQI (US)
118AQI (US)
10th March 2026
138AQI (US)
138AQI (US)
11th March 2026
88AQI (US)
88AQI (US)
12th March 2026
121AQI (US)
121AQI (US)
13th March 2026
82AQI (US)
82AQI (US)
14th March 2026
90AQI (US)
90AQI (US)
15th March 2026
117AQI (US)
117AQI (US)
16th March 2026
15AQI (US)
15AQI (US)
17th March 2026
45AQI (US)
45AQI (US)
18th March 2026
37AQI (US)
37AQI (US)
19th March 2026
76AQI (US)
76AQI (US)
20th March 2026
79AQI (US)
79AQI (US)
21st March 2026
71AQI (US)
71AQI (US)
22nd March 2026
50AQI (US)
50AQI (US)
23rd March 2026
48AQI (US)
48AQI (US)
24th March 2026
60AQI (US)
60AQI (US)
25th March 2026
117AQI (US)
117AQI (US)
26th March 2026
67AQI (US)
67AQI (US)
27th March 2026
110AQI (US)
110AQI (US)
28th March 2026
112AQI (US)
112AQI (US)
29th March 2026
85AQI (US)
85AQI (US)
30th March 2026
45AQI (US)
45AQI (US)
31st March 2026
64AQI (US)
64AQI (US)
1st April 2026
76AQI (US)
76AQI (US)
2nd April 2026
79AQI (US)
79AQI (US)
3rd April 2026
27AQI (US)
27AQI (US)
4th April 2026
55AQI (US)
55AQI (US)
5th April 2026
82AQI (US)
82AQI (US)
6th April 2026
85AQI (US)
85AQI (US)
7th April 2026
128AQI (US)
128AQI (US)
8th April 2026
117AQI (US)
117AQI (US)
9th April 2026
77AQI (US)
77AQI (US)
10th April 2026
71AQI (US)
71AQI (US)
11th April 2026
63AQI (US)
63AQI (US)
12th April 2026
73AQI (US)
73AQI (US)
13th April 2026
82AQI (US)
82AQI (US)
14th April 2026
49AQI (US)
49AQI (US)
15th April 2026
58AQI (US)
58AQI (US)
16th April 2026
42AQI (US)
42AQI (US)
17th April 2026
85AQI (US)
85AQI (US)
18th April 2026
86AQI (US)
86AQI (US)
19th April 2026
101AQI (US)
101AQI (US)
20th April 2026
80AQI (US)
80AQI (US)
21st April 2026
16AQI (US)
16AQI (US)
22nd April 2026
30AQI (US)
30AQI (US)
23rd April 2026
57AQI (US)
57AQI (US)
24th April 2026
78AQI (US)
78AQI (US)
25th April 2026
83AQI (US)
83AQI (US)
26th April 2026
78AQI (US)
78AQI (US)
27th April 2026
111AQI (US)
111AQI (US)
28th April 2026
39AQI (US)
39AQI (US)
29th April 2026
17AQI (US)
17AQI (US)
30th April 2026
56AQI (US)
56AQI (US)
1st May 2026
56AQI (US)
56AQI (US)
2nd May 2026
56AQI (US)
56AQI (US)
3rd May 2026
59AQI (US)
59AQI (US)
4th May 2026
52AQI (US)
52AQI (US)
5th May 2026
73AQI (US)
73AQI (US)
6th May 2026
74AQI (US)
74AQI (US)
7th May 2026
85AQI (US)
85AQI (US)
8th May 2026
74AQI (US)
74AQI (US)
9th May 2026
78AQI (US)
78AQI (US)
10th May 2026
91AQI (US)
91AQI (US)
11th May 2026
93AQI (US)
93AQI (US)
12th May 2026
98AQI (US)
98AQI (US)
13th May 2026
41AQI (US)
41AQI (US)
14th May 2026
44AQI (US)
44AQI (US)
15th May 2026
61AQI (US)
61AQI (US)
16th May 2026
72AQI (US)
72AQI (US)
17th May 2026
62AQI (US)
62AQI (US)
18th May 2026
56AQI (US)
56AQI (US)
19th May 2026
51AQI (US)
51AQI (US)
20th May 2026
63AQI (US)
63AQI (US)
21st May 2026
73AQI (US)
73AQI (US)
22nd May 2026
78AQI (US)
78AQI (US)
23rd May 2026
74AQI (US)
74AQI (US)
24th May 2026
73AQI (US)
73AQI (US)
25th May 2026
69AQI (US)
69AQI (US)
26th May 2026
50AQI (US)
50AQI (US)
27th May 2026
50AQI (US)
50AQI (US)
28th May 2026
56AQI (US)
56AQI (US)
29th May 2026
77AQI (US)
77AQI (US)
30th May 2026
63AQI (US)
63AQI (US)
31st May 2026
62AQI (US)
62AQI (US)
1st June 2026
94AQI (US)
94AQI (US)
2nd June 2026
90AQI (US)
90AQI (US)
3rd June 2026
107AQI (US)
107AQI (US)
4th June 2026
45AQI (US)
45AQI (US)
5th June 2026
55AQI (US)
55AQI (US)
6th June 2026
66AQI (US)
66AQI (US)
7th June 2026
86AQI (US)
86AQI (US)
8th June 2026
12AQI (US)
12AQI (US)
9th June 2026
40AQI (US)
40AQI (US)
10th June 2026
41AQI (US)
41AQI (US)
11th June 2026
75AQI (US)
75AQI (US)
12th June 2026
69AQI (US)
69AQI (US)
13th June 2026
33AQI (US)
33AQI (US)
14th June 2026
46AQI (US)
46AQI (US)
15th June 2026
47AQI (US)
47AQI (US)
16th June 2026
73AQI (US)
73AQI (US)
17th June 2026
80AQI (US)
80AQI (US)
18th June 2026
63AQI (US)
63AQI (US)
19th June 2026
14AQI (US)
14AQI (US)
20th June 2026
24AQI (US)
24AQI (US)
21st June 2026
30AQI (US)
30AQI (US)
22nd June 2026
43AQI (US)
43AQI (US)
23rd June 2026
20AQI (US)
20AQI (US)
24th June 2026
37AQI (US)
37AQI (US)
25th June 2026
61AQI (US)
61AQI (US)
26th June 2026
56AQI (US)
56AQI (US)
27th June 2026
64AQI (US)
64AQI (US)
28th June 2026
85AQI (US)
85AQI (US)
29th June 2026
96AQI (US)
96AQI (US)
30th June 2026
67AQI (US)
67AQI (US)
1st July 2026
65AQI (US)
65AQI (US)
2nd July 2026
55AQI (US)
55AQI (US)
3rd July 2026
39AQI (US)
39AQI (US)
4th July 2026
25AQI (US)
25AQI (US)
5th July 2026
25AQI (US)
25AQI (US)
6th July 2026
25AQI (US)
25AQI (US)
7th July 2026
24AQI (US)
24AQI (US)
8th July 2026
23AQI (US)
23AQI (US)
9th July 2026
26AQI (US)
26AQI (US)
10th July 2026
31AQI (US)
31AQI (US)
11th July 2026
39AQI (US)
39AQI (US)
12th July 2026
57AQI (US)
57AQI (US)
13th July 2026
53AQI (US)
53AQI (US)
14th July 2026
66AQI (US)
66AQI (US)
15th July 2026
14AQI (US)
14AQI (US)
16th July 2026
29AQI (US)
29AQI (US)
17th July 2026
35AQI (US)
35AQI (US)
18th July 2026
37AQI (US)
37AQI (US)
19th July 2026
34AQI (US)
34AQI (US)
20th July 2026
48AQI (US)
48AQI (US)
21st July 2026
41AQI (US)
41AQI (US)
22nd July 2026
41AQI (US)
41AQI (US)
23rd July 2026
43AQI (US)
43AQI (US)
24th July 2026
35AQI (US)
35AQI (US)
25th July 2026
54AQI (US)
54AQI (US)
26th July 2026
56AQI (US)
56AQI (US)
27th July 2026
26AQI (US)
26AQI (US)
28th July 2026
25AQI (US)
25AQI (US)
29th July 2026
25AQI (US)
25AQI (US)
30th July 2026
26AQI (US)
26AQI (US)
31st July 2026
27AQI (US)
27AQI (US)
1st August 2026
30AQI (US)
30AQI (US)
2nd August 2026
25AQI (US)
25AQI (US)
3rd August 2026
26AQI (US)
26AQI (US)
4th August 2026
25AQI (US)
25AQI (US)
5th August 2026
72AQI (US)
72AQI (US)
6th August 2026
35AQI (US)
35AQI (US)
7th August 2026
63AQI (US)
63AQI (US)
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
124AQI (US)
100AQI (US)
84AQI (US)
69AQI (US)
67AQI (US)
57AQI (US)
37AQI (US)
39AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202675AQI (US)
7
18
6
2
14
11
1
7
14
10
7
19
4
4
27
13
16
1
24
7
5
2
62
106
44
7
Highest AQI (US) recorded in
January124AQI (US)
Lowest AQI (US) recorded in
July37AQI (US)
202598AQI (US)
1
15
13
2
4
18
6
16
15
11
17
1
1
27
4
12
18
9
22
8
23
2
27
1
3
6
18
3
1
1
10
19
3
12
16
35
168
119
39
3
1
Highest AQI (US) recorded in
January149AQI (US)
Lowest AQI (US) recorded in
July55AQI (US)
2024105AQI (US)
1
4
9
15
1
1
7
15
5
1
11
14
6
7
18
5
17
14
12
18
22
9
6
25
1
17
10
2
11
12
8
1
9
11
9
14
17
44
135
117
67
2
Highest AQI (US) recorded in
December147AQI (US)
Lowest AQI (US) recorded in
July45AQI (US)
2023100AQI (US)
4
13
9
4
1
3
12
12
1
8
17
5
2
20
8
2
20
9
4
26
7
24
3
28
6
23
1
13
16
1
4
18
4
8
15
4
4
27
181
108
35
8
Highest AQI (US) recorded in
January152AQI (US)
Lowest AQI (US) recorded in
July62AQI (US)
2022105AQI (US)
3
10
14
3
4
12
5
2
14
11
4
1
9
7
2
15
14
16
14
11
10
1
1
13
15
1
3
9
12
7
1
10
17
2
2
19
10
37
103
118
43
3
Highest AQI (US) recorded in
January147AQI (US)
Lowest AQI (US) recorded in
July49AQI (US)
2021105AQI (US)
3
8
17
2
4
13
11
10
19
2
1
8
17
4
2
20
8
1
8
15
7
4
27
5
15
1
2
26
2
2
15
9
5
10
11
9
4
8
15
4
24
157
103
64
6
Highest AQI (US) recorded in
January155AQI (US)
Lowest AQI (US) recorded in
July65AQI (US)
202097AQI (US)
3
6
4
2
8
11
12
6
10
20
5
22
4
6
22
3
3
13
14
4
5
13
9
1
6
15
8
2
5
22
2
34
116
75
39
2
Highest AQI (US) recorded in
December163AQI (US)
Lowest AQI (US) recorded in
June58AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2024(Avg.)
105AQI (US)Least Polluted Year Recorded
2026(Avg.)
75AQI (US)Hkust's annual 2026 AQI (US) (75) shows an average percentage change of -26.1% (improved AQI (US)) compared to previous years: 2020 (97), 2021 (105), 2022 (105), 2023 (100), 2024 (105), 2025 (98).
