Hedongzi Station, Sanya, Hainan, 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
Hedongzi Station, Sanya, Hainan, China
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
2nd Aug 2025
58AQILowest AQI recorded on
31st Aug 2022
20AQISame Day Analysis (17th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 29 of Good air quality, showing improvement over 2024 and 2023 on the same day.
Day & Night AQI Trend: 16th Aug - 17th Aug 2026
Hedongzi Station, Sanya, Hainan, China
AQI
Day
Night
.
6 AM16th Aug 2026
7 PM
5 AM17th Aug 2026
Day time
Avg. Highest Time
12PM16th Aug
25AQI
Avg. Lowest Time
7PM16th Aug
21AQI
Night time
Avg. Highest Time
3AM17th Aug
25AQI
Avg. Lowest Time
1AM17th Aug
21AQI
In the last 24 hours,
Hedongzi Station's AQI reached its highest point of 25 at 12 PM during the Day, while the lowest point, 21, was recorded at 1 AM during the Night between 16th Aug and 17th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Hedongzi Station, Sanya, Hainan, China
JulAug
19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th
Day
Night
19th Jul 2026646 AMAQI
19th Jul 2026667 AMAQI
19th Jul 2026708 AMAQI
19th Jul 2026679 AMAQI
19th Jul 20266010 AMAQI
19th Jul 20265511 AMAQI
19th Jul 20266312 PMAQI
19th Jul 2026551 PMAQI
19th Jul 2026602 PMAQI
19th Jul 2026573 PMAQI
19th Jul 2026584 PMAQI
19th Jul 2026585 PMAQI
19th Jul 2026596 PMAQI
19th Jul 2026587 PMAQI
19th Jul 2026578 PMAQI
19th Jul 2026629 PMAQI
19th Jul 20267410 PMAQI
19th Jul 20267111 PMAQI
20th Jul 20267112 AMAQI
20th Jul 2026781 AMAQI
20th Jul 2026752 AMAQI
20th Jul 20261083 AMAQI
20th Jul 2026984 AMAQI
20th Jul 2026875 AMAQI
28°C26/31°C
20th Jul 2026836 AMAQI
20th Jul 2026857 AMAQI
20th Jul 2026808 AMAQI
20th Jul 2026769 AMAQI
20th Jul 20266610 AMAQI
20th Jul 20266411 AMAQI
20th Jul 20266912 PMAQI
20th Jul 2026681 PMAQI
20th Jul 2026662 PMAQI
20th Jul 2026683 PMAQI
20th Jul 2026694 PMAQI
20th Jul 2026655 PMAQI
20th Jul 2026686 PMAQI
20th Jul 2026657 PMAQI
20th Jul 2026668 PMAQI
20th Jul 2026659 PMAQI
20th Jul 20266510 PMAQI
20th Jul 20267111 PMAQI
21st Jul 20266812 AMAQI
21st Jul 2026701 AMAQI
21st Jul 2026672 AMAQI
21st Jul 2026763 AMAQI
21st Jul 2026704 AMAQI
21st Jul 2026625 AMAQI
29°C27/31°C
21st Jul 2026656 AMAQI
21st Jul 2026627 AMAQI
21st Jul 2026638 AMAQI
21st Jul 2026629 AMAQI
21st Jul 20266410 AMAQI
21st Jul 20267012 PMAQI
21st Jul 2026691 PMAQI
21st Jul 2026702 PMAQI
21st Jul 2026703 PMAQI
21st Jul 2026684 PMAQI
21st Jul 2026665 PMAQI
21st Jul 20261106 PMAQI
21st Jul 2026677 PMAQI
21st Jul 2026648 PMAQI
21st Jul 2026649 PMAQI
21st Jul 20266610 PMAQI
21st Jul 20266411 PMAQI
22nd Jul 20266612 AMAQI
22nd Jul 2026661 AMAQI
22nd Jul 2026702 AMAQI
22nd Jul 2026713 AMAQI
22nd Jul 2026744 AMAQI
22nd Jul 2026625 AMAQI
28°C26/31°C
22nd Jul 2026596 AMAQI
22nd Jul 2026607 AMAQI
22nd Jul 2026638 AMAQI
22nd Jul 2026649 AMAQI
22nd Jul 20266310 AMAQI
22nd Jul 20266211 AMAQI
22nd Jul 20266012 PMAQI
22nd Jul 2026631 PMAQI
22nd Jul 2026662 PMAQI
22nd Jul 2026643 PMAQI
22nd Jul 2026594 PMAQI
22nd Jul 2026665 PMAQI
22nd Jul 2026656 PMAQI
22nd Jul 2026587 PMAQI
22nd Jul 2026568 PMAQI
22nd Jul 2026629 PMAQI
22nd Jul 20266510 PMAQI
22nd Jul 20266611 PMAQI
23rd Jul 20266012 AMAQI
23rd Jul 2026641 AMAQI
23rd Jul 2026622 AMAQI
23rd Jul 2026743 AMAQI
23rd Jul 2026764 AMAQI
23rd Jul 2026805 AMAQI
28°C26/31°C
23rd Jul 2026736 AMAQI
23rd Jul 2026767 AMAQI
23rd Jul 2026748 AMAQI
23rd Jul 2026739 AMAQI
23rd Jul 20266610 AMAQI
23rd Jul 20266211 AMAQI
23rd Jul 20265812 PMAQI
23rd Jul 2026601 PMAQI
23rd Jul 2026582 PMAQI
23rd Jul 2026563 PMAQI
23rd Jul 2026584 PMAQI
23rd Jul 2026645 PMAQI
23rd Jul 2026646 PMAQI
23rd Jul 2026687 PMAQI
23rd Jul 2026748 PMAQI
23rd Jul 2026749 PMAQI
23rd Jul 20267110 PMAQI
23rd Jul 20267011 PMAQI
24th Jul 20267012 AMAQI
24th Jul 2026721 AMAQI
24th Jul 2026732 AMAQI
24th Jul 2026743 AMAQI
24th Jul 2026714 AMAQI
24th Jul 2026725 AMAQI
28°C26/31°C
24th Jul 2026696 AMAQI
24th Jul 2026727 AMAQI
24th Jul 2026748 AMAQI
24th Jul 2026669 AMAQI
24th Jul 20265610 AMAQI
24th Jul 20265811 AMAQI
24th Jul 20265712 PMAQI
24th Jul 2026601 PMAQI
24th Jul 2026562 PMAQI
24th Jul 2026583 PMAQI
24th Jul 2026604 PMAQI
24th Jul 2026605 PMAQI
24th Jul 2026646 PMAQI
24th Jul 2026647 PMAQI
24th Jul 2026648 PMAQI
24th Jul 2026689 PMAQI
24th Jul 20267010 PMAQI
24th Jul 20266511 PMAQI
25th Jul 20266012 AMAQI
25th Jul 2026621 AMAQI
25th Jul 2026632 AMAQI
25th Jul 2026623 AMAQI
25th Jul 2026574 AMAQI
25th Jul 2026585 AMAQI
28°C26/31°C
25th Jul 2026596 AMAQI
25th Jul 2026557 AMAQI
25th Jul 2026578 AMAQI
25th Jul 2026549 AMAQI
25th Jul 20265010 AMAQI
25th Jul 20264611 AMAQI
25th Jul 20264412 PMAQI
25th Jul 2026441 PMAQI
25th Jul 2026462 PMAQI
25th Jul 2026463 PMAQI
25th Jul 2026514 PMAQI
25th Jul 2026485 PMAQI
25th Jul 2026426 PMAQI
25th Jul 2026347 PMAQI
25th Jul 2026348 PMAQI
25th Jul 2026389 PMAQI
25th Jul 20264210 PMAQI
25th Jul 20263811 PMAQI
26th Jul 20264212 AMAQI
26th Jul 2026381 AMAQI
26th Jul 2026402 AMAQI
26th Jul 2026403 AMAQI
26th Jul 2026494 AMAQI
26th Jul 2026465 AMAQI
28°C26/31°C
26th Jul 2026486 AMAQI
26th Jul 2026467 AMAQI
26th Jul 2026448 AMAQI
26th Jul 2026429 AMAQI
26th Jul 20263110 AMAQI
26th Jul 20262911 AMAQI
26th Jul 20262112 PMAQI
26th Jul 2026251 PMAQI
26th Jul 2026232 PMAQI
26th Jul 2026253 PMAQI
26th Jul 2026314 PMAQI
26th Jul 2026335 PMAQI
26th Jul 2026336 PMAQI
26th Jul 2026277 PMAQI
26th Jul 2026308 PMAQI
26th Jul 2026409 PMAQI
26th Jul 20264210 PMAQI
26th Jul 20264011 PMAQI
27th Jul 20263312 AMAQI
27th Jul 2026311 AMAQI
27th Jul 2026292 AMAQI
27th Jul 2026313 AMAQI
27th Jul 2026294 AMAQI
27th Jul 2026275 AMAQI
28°C26/30°C
27th Jul 2026276 AMAQI
27th Jul 2026237 AMAQI
27th Jul 2026278 AMAQI
27th Jul 2026259 AMAQI
27th Jul 20262510 AMAQI
27th Jul 20262911 AMAQI
27th Jul 20262712 PMAQI
27th Jul 2026311 PMAQI
27th Jul 2026292 PMAQI
27th Jul 2026363 PMAQI
27th Jul 2026314 PMAQI
27th Jul 2026295 PMAQI
27th Jul 2026296 PMAQI
27th Jul 2026297 PMAQI
27th Jul 2026298 PMAQI
27th Jul 2026299 PMAQI
27th Jul 20263310 PMAQI
27th Jul 20262911 PMAQI
28th Jul 20263112 AMAQI
28th Jul 2026311 AMAQI
28th Jul 2026312 AMAQI
28th Jul 2026333 AMAQI
28th Jul 2026364 AMAQI
28th Jul 2026365 AMAQI
28°C26/31°C
28th Jul 2026406 AMAQI
28th Jul 2026337 AMAQI
28th Jul 2026388 AMAQI
28th Jul 2026369 AMAQI
28th Jul 20263310 AMAQI
28th Jul 20263311 AMAQI
28th Jul 20263112 PMAQI
28th Jul 2026311 PMAQI
28th Jul 2026312 PMAQI
28th Jul 2026313 PMAQI
28th Jul 2026294 PMAQI
28th Jul 2026295 PMAQI
28th Jul 2026316 PMAQI
28th Jul 2026337 PMAQI
28th Jul 2026318 PMAQI
28th Jul 2026319 PMAQI
28th Jul 20263110 PMAQI
28th Jul 20263111 PMAQI
29th Jul 20262912 AMAQI
29th Jul 2026291 AMAQI
29th Jul 2026292 AMAQI
29th Jul 2026313 AMAQI
29th Jul 2026314 AMAQI
29th Jul 2026335 AMAQI
28°C26/31°C
29th Jul 2026296 AMAQI
29th Jul 2026277 AMAQI
29th Jul 2026298 AMAQI
29th Jul 2026279 AMAQI
29th Jul 20262310 AMAQI
29th Jul 20262311 AMAQI
29th Jul 20262312 PMAQI
29th Jul 2026211 PMAQI
29th Jul 2026212 PMAQI
29th Jul 2026213 PMAQI
29th Jul 2026254 PMAQI
29th Jul 2026275 PMAQI
29th Jul 2026296 PMAQI
29th Jul 2026337 PMAQI
29th Jul 2026368 PMAQI
29th Jul 2026369 PMAQI
29th Jul 20263210 PMAQI
29th Jul 20262311 PMAQI
30th Jul 20262312 AMAQI
30th Jul 2026251 AMAQI
30th Jul 2026232 AMAQI
30th Jul 2026253 AMAQI
30th Jul 2026234 AMAQI
30th Jul 2026255 AMAQI
28°C25/31°C
30th Jul 2026236 AMAQI
30th Jul 2026257 AMAQI
30th Jul 2026238 AMAQI
30th Jul 2026219 AMAQI
30th Jul 20262510 AMAQI
30th Jul 20262311 AMAQI
30th Jul 20262312 PMAQI
30th Jul 2026251 PMAQI
30th Jul 2026252 PMAQI
30th Jul 2026233 PMAQI
30th Jul 2026234 PMAQI
30th Jul 2026215 PMAQI
30th Jul 2026216 PMAQI
30th Jul 2026217 PMAQI
30th Jul 2026238 PMAQI
30th Jul 2026259 PMAQI
30th Jul 20262310 PMAQI
30th Jul 20262311 PMAQI
31st Jul 20262112 AMAQI
31st Jul 2026231 AMAQI
31st Jul 2026212 AMAQI
31st Jul 2026213 AMAQI
31st Jul 2026214 AMAQI
31st Jul 2026215 AMAQI
28°C25/31°C
31st Jul 2026216 AMAQI
31st Jul 2026257 AMAQI
31st Jul 2026258 AMAQI
31st Jul 2026219 AMAQI
31st Jul 20262910 AMAQI
31st Jul 20263311 AMAQI
31st Jul 20263112 PMAQI
31st Jul 2026211 PMAQI
31st Jul 2026212 PMAQI
31st Jul 2026253 PMAQI
31st Jul 2026234 PMAQI
31st Jul 2026255 PMAQI
31st Jul 2026336 PMAQI
31st Jul 2026257 PMAQI
31st Jul 2026238 PMAQI
31st Jul 2026259 PMAQI
31st Jul 20263110 PMAQI
31st Jul 20263311 PMAQI
1st Aug 20263112 AMAQI
1st Aug 2026311 AMAQI
1st Aug 2026362 AMAQI
1st Aug 2026333 AMAQI
1st Aug 2026314 AMAQI
1st Aug 2026295 AMAQI
27°C25/30°C
1st Aug 2026296 AMAQI
1st Aug 2026257 AMAQI
1st Aug 2026258 AMAQI
1st Aug 2026259 AMAQI
1st Aug 20262110 AMAQI
1st Aug 20262511 AMAQI
1st Aug 20262512 PMAQI
1st Aug 2026231 PMAQI
1st Aug 2026212 PMAQI
1st Aug 2026233 PMAQI
1st Aug 2026234 PMAQI
1st Aug 2026255 PMAQI
1st Aug 2026256 PMAQI
1st Aug 2026257 PMAQI
1st Aug 2026258 PMAQI
1st Aug 2026259 PMAQI
1st Aug 20262710 PMAQI
1st Aug 20262511 PMAQI
2nd Aug 20262312 AMAQI
2nd Aug 2026271 AMAQI
2nd Aug 2026252 AMAQI
2nd Aug 2026273 AMAQI
2nd Aug 2026294 AMAQI
2nd Aug 2026315 AMAQI
26°C25/28°C
2nd Aug 2026296 AMAQI
2nd Aug 2026317 AMAQI
2nd Aug 2026318 AMAQI
2nd Aug 2026299 AMAQI
2nd Aug 20262710 AMAQI
2nd Aug 20262911 AMAQI
2nd Aug 20262912 PMAQI
2nd Aug 2026311 PMAQI
2nd Aug 2026292 PMAQI
2nd Aug 2026273 PMAQI
2nd Aug 2026294 PMAQI
2nd Aug 2026275 PMAQI
2nd Aug 2026296 PMAQI
2nd Aug 2026297 PMAQI
2nd Aug 2026278 PMAQI
2nd Aug 2026409 PMAQI
2nd Aug 20264910 PMAQI
2nd Aug 20264811 PMAQI
3rd Aug 20264612 AMAQI
3rd Aug 2026401 AMAQI
3rd Aug 2026422 AMAQI
3rd Aug 2026423 AMAQI
3rd Aug 2026404 AMAQI
3rd Aug 2026365 AMAQI
26°C26/28°C
3rd Aug 2026386 AMAQI
3rd Aug 2026347 AMAQI
3rd Aug 2026318 AMAQI
3rd Aug 2026349 AMAQI
3rd Aug 20262910 AMAQI
3rd Aug 20262911 AMAQI
3rd Aug 20262712 PMAQI
3rd Aug 2026251 PMAQI
3rd Aug 2026292 PMAQI
3rd Aug 2026293 PMAQI
3rd Aug 2026334 PMAQI
3rd Aug 2026365 PMAQI
3rd Aug 2026406 PMAQI
3rd Aug 2026497 PMAQI
3rd Aug 2026518 PMAQI
3rd Aug 2026529 PMAQI
3rd Aug 20265310 PMAQI
3rd Aug 20265611 PMAQI
4th Aug 20265512 AMAQI
4th Aug 2026541 AMAQI
4th Aug 2026532 AMAQI
4th Aug 2026503 AMAQI
4th Aug 2026514 AMAQI
4th Aug 2026425 AMAQI
27°C25/30°C
4th Aug 2026296 AMAQI
4th Aug 2026277 AMAQI
4th Aug 2026238 AMAQI
4th Aug 2026239 AMAQI
4th Aug 20262510 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 2026236 PMAQI
4th Aug 2026257 PMAQI
4th Aug 2026238 PMAQI
4th Aug 2026239 PMAQI
4th Aug 20262110 PMAQI
4th Aug 20262111 PMAQI
5th Aug 20263412 AMAQI
5th Aug 2026291 AMAQI
5th Aug 2026272 AMAQI
5th Aug 2026233 AMAQI
5th Aug 2026294 AMAQI
5th Aug 2026335 AMAQI
28°C25/30°C
5th Aug 2026216 AMAQI
5th Aug 2026257 AMAQI
5th Aug 2026298 AMAQI
5th Aug 2026279 AMAQI
5th Aug 20262510 AMAQI
5th Aug 20262511 AMAQI
5th Aug 20262312 PMAQI
5th Aug 2026291 PMAQI
5th Aug 2026142 PMAQI
5th Aug 2026143 PMAQI
5th Aug 2026174 PMAQI
5th Aug 2026215 PMAQI
5th Aug 2026216 PMAQI
5th Aug 2026237 PMAQI
5th Aug 2026238 PMAQI
5th Aug 2026219 PMAQI
5th Aug 20263110 PMAQI
5th Aug 20262511 PMAQI
6th Aug 20262512 AMAQI
6th Aug 2026211 AMAQI
6th Aug 2026212 AMAQI
6th Aug 2026253 AMAQI
6th Aug 2026294 AMAQI
6th Aug 2026215 AMAQI
27°C26/28°C
6th Aug 2026256 AMAQI
6th Aug 2026217 AMAQI
6th Aug 2026238 AMAQI
6th Aug 2026219 AMAQI
6th Aug 20262110 AMAQI
6th Aug 20262111 AMAQI
6th Aug 20262112 PMAQI
6th Aug 2026231 PMAQI
6th Aug 2026232 PMAQI
6th Aug 2026213 PMAQI
6th Aug 2026214 PMAQI
6th Aug 2026215 PMAQI
6th Aug 2026216 PMAQI
6th Aug 2026217 PMAQI
6th Aug 2026218 PMAQI
6th Aug 2026219 PMAQI
6th Aug 20262110 PMAQI
6th Aug 20262511 PMAQI
7th Aug 20262512 AMAQI
7th Aug 2026291 AMAQI
7th Aug 2026212 AMAQI
7th Aug 2026213 AMAQI
7th Aug 2026214 AMAQI
7th Aug 2026235 AMAQI
27°C26/29°C
7th Aug 2026216 AMAQI
7th Aug 2026217 AMAQI
7th Aug 2026218 AMAQI
7th Aug 2026219 AMAQI
7th Aug 20262110 AMAQI
7th Aug 20264011 AMAQI
7th Aug 20265312 PMAQI
7th Aug 2026251 PMAQI
7th Aug 2026232 PMAQI
7th Aug 2026293 PMAQI
7th Aug 2026214 PMAQI
7th Aug 2026255 PMAQI
7th Aug 2026256 PMAQI
7th Aug 2026237 PMAQI
7th Aug 2026238 PMAQI
7th Aug 2026259 PMAQI
7th Aug 20262510 PMAQI
7th Aug 20263411 PMAQI
8th Aug 20262912 AMAQI
8th Aug 2026251 AMAQI
8th Aug 2026212 AMAQI
8th Aug 2026253 AMAQI
8th Aug 2026254 AMAQI
8th Aug 2026255 AMAQI
27°C26/29°C
8th Aug 2026236 AMAQI
8th Aug 2026217 AMAQI
8th Aug 2026278 AMAQI
8th Aug 2026329 AMAQI
8th Aug 20262510 AMAQI
8th Aug 20262511 AMAQI
8th Aug 20262112 PMAQI
8th Aug 2026251 PMAQI
8th Aug 2026212 PMAQI
8th Aug 2026213 PMAQI
8th Aug 2026214 PMAQI
8th Aug 2026235 PMAQI
8th Aug 2026256 PMAQI
8th Aug 2026237 PMAQI
8th Aug 2026298 PMAQI
8th Aug 2026409 PMAQI
8th Aug 20262710 PMAQI
8th Aug 20262111 PMAQI
9th Aug 20263612 AMAQI
9th Aug 2026441 AMAQI
9th Aug 2026342 AMAQI
9th Aug 2026233 AMAQI
9th Aug 2026254 AMAQI
9th Aug 2026295 AMAQI
27°C26/28°C
9th Aug 2026276 AMAQI
9th Aug 2026277 AMAQI
9th Aug 2026298 AMAQI
9th Aug 2026279 AMAQI
9th Aug 20262910 AMAQI
9th Aug 20262911 AMAQI
9th Aug 20263112 PMAQI
9th Aug 2026331 PMAQI
9th Aug 2026332 PMAQI
9th Aug 2026483 PMAQI
9th Aug 2026444 PMAQI
9th Aug 2026365 PMAQI
9th Aug 2026276 PMAQI
9th Aug 2026217 PMAQI
9th Aug 2026238 PMAQI
9th Aug 2026349 PMAQI
9th Aug 20262910 PMAQI
9th Aug 20262511 PMAQI
10th Aug 20262312 AMAQI
10th Aug 2026271 AMAQI
10th Aug 2026212 AMAQI
10th Aug 2026213 AMAQI
10th Aug 2026214 AMAQI
10th Aug 2026215 AMAQI
28°C26/31°C
10th Aug 2026276 AMAQI
10th Aug 2026217 AMAQI
10th Aug 2026218 AMAQI
10th Aug 2026219 AMAQI
10th Aug 20262110 AMAQI
10th Aug 20262311 AMAQI
10th Aug 20262112 PMAQI
10th Aug 2026251 PMAQI
10th Aug 2026212 PMAQI
10th Aug 2026213 PMAQI
10th Aug 2026234 PMAQI
10th Aug 2026215 PMAQI
10th Aug 2026256 PMAQI
10th Aug 2026257 PMAQI
10th Aug 2026258 PMAQI
10th Aug 2026219 PMAQI
10th Aug 20262110 PMAQI
10th Aug 20262511 PMAQI
11th Aug 20262512 AMAQI
11th Aug 2026271 AMAQI
11th Aug 2026272 AMAQI
11th Aug 2026343 AMAQI
11th Aug 2026404 AMAQI
11th Aug 2026445 AMAQI
29°C27/31°C
11th Aug 2026506 AMAQI
11th Aug 2026607 AMAQI
11th Aug 2026558 AMAQI
11th Aug 2026689 AMAQI
11th Aug 20266810 AMAQI
11th Aug 20266211 AMAQI
11th Aug 20266012 PMAQI
11th Aug 2026361 PMAQI
11th Aug 2026262 PMAQI
11th Aug 2026273 PMAQI
11th Aug 2026254 PMAQI
11th Aug 2026235 PMAQI
11th Aug 2026186 PMAQI
11th Aug 2026167 PMAQI
11th Aug 202698 PMAQI
11th Aug 2026129 PMAQI
11th Aug 20261210 PMAQI
11th Aug 20261411 PMAQI
12th Aug 20261712 AMAQI
12th Aug 2026211 AMAQI
12th Aug 2026272 AMAQI
12th Aug 2026213 AMAQI
12th Aug 2026174 AMAQI
12th Aug 2026215 AMAQI
28°C27/30°C
12th Aug 2026216 AMAQI
12th Aug 2026217 AMAQI
12th Aug 2026238 AMAQI
12th Aug 2026239 AMAQI
12th Aug 20262310 AMAQI
12th Aug 20262111 AMAQI
12th Aug 20262512 PMAQI
12th Aug 2026251 PMAQI
12th Aug 2026292 PMAQI
12th Aug 2026263 PMAQI
12th Aug 2026244 PMAQI
12th Aug 2026205 PMAQI
12th Aug 2026186 PMAQI
12th Aug 2026237 PMAQI
12th Aug 2026258 PMAQI
12th Aug 2026219 PMAQI
12th Aug 20262310 PMAQI
12th Aug 20263311 PMAQI
13th Aug 20263812 AMAQI
13th Aug 2026381 AMAQI
13th Aug 2026382 AMAQI
13th Aug 2026273 AMAQI
13th Aug 2026274 AMAQI
13th Aug 2026275 AMAQI
28°C27/30°C
13th Aug 2026296 AMAQI
13th Aug 2026257 AMAQI
13th Aug 2026258 AMAQI
13th Aug 2026339 AMAQI
13th Aug 20262910 AMAQI
13th Aug 20262711 AMAQI
13th Aug 20262712 PMAQI
13th Aug 2026291 PMAQI
13th Aug 2026292 PMAQI
13th Aug 2026313 PMAQI
13th Aug 2026314 PMAQI
13th Aug 2026295 PMAQI
13th Aug 2026316 PMAQI
13th Aug 2026387 PMAQI
13th Aug 2026488 PMAQI
13th Aug 2026519 PMAQI
13th Aug 20264210 PMAQI
13th Aug 20263811 PMAQI
14th Aug 20263812 AMAQI
14th Aug 2026401 AMAQI
14th Aug 2026402 AMAQI
14th Aug 2026443 AMAQI
14th Aug 2026424 AMAQI
14th Aug 2026425 AMAQI
29°C27/31°C
14th Aug 2026426 AMAQI
14th Aug 2026447 AMAQI
14th Aug 2026468 AMAQI
14th Aug 2026449 AMAQI
14th Aug 20264010 AMAQI
14th Aug 20264011 AMAQI
14th Aug 20264012 PMAQI
14th Aug 2026381 PMAQI
14th Aug 2026332 PMAQI
14th Aug 2026333 PMAQI
14th Aug 2026314 PMAQI
14th Aug 2026315 PMAQI
14th Aug 2026296 PMAQI
14th Aug 2026257 PMAQI
14th Aug 2026278 PMAQI
14th Aug 2026239 PMAQI
14th Aug 20262110 PMAQI
14th Aug 20262111 PMAQI
15th Aug 20262312 AMAQI
15th Aug 2026211 AMAQI
15th Aug 2026232 AMAQI
15th Aug 2026233 AMAQI
15th Aug 2026214 AMAQI
15th Aug 2026235 AMAQI
29°C27/31°C
15th Aug 2026216 AMAQI
15th Aug 2026237 AMAQI
15th Aug 2026258 AMAQI
15th Aug 2026239 AMAQI
15th Aug 20262510 AMAQI
15th Aug 20262711 AMAQI
15th Aug 20262712 PMAQI
15th Aug 2026251 PMAQI
15th Aug 2026232 PMAQI
15th Aug 2026213 PMAQI
15th Aug 2026214 PMAQI
15th Aug 2026215 PMAQI
15th Aug 2026276 PMAQI
15th Aug 2026257 PMAQI
15th Aug 2026258 PMAQI
15th Aug 2026299 PMAQI
15th Aug 20262510 PMAQI
15th Aug 20262511 PMAQI
16th Aug 20262912 AMAQI
16th Aug 2026271 AMAQI
16th Aug 2026272 AMAQI
16th Aug 2026293 AMAQI
16th Aug 2026214 AMAQI
16th Aug 2026255 AMAQI
28°C27/31°C
16th Aug 2026216 AMAQI
16th Aug 2026217 AMAQI
16th Aug 2026238 AMAQI
16th Aug 2026239 AMAQI
16th Aug 20262310 AMAQI
16th Aug 20262111 AMAQI
16th Aug 20262512 PMAQI
16th Aug 2026231 PMAQI
16th Aug 2026232 PMAQI
16th Aug 2026213 PMAQI
16th Aug 2026254 PMAQI
16th Aug 2026255 PMAQI
16th Aug 2026216 PMAQI
16th Aug 2026217 PMAQI
16th Aug 2026218 PMAQI
16th Aug 2026219 PMAQI
16th Aug 20262110 PMAQI
16th Aug 20262311 PMAQI
17th Aug 20262312 AMAQI
17th Aug 2026211 AMAQI
17th Aug 2026232 AMAQI
17th Aug 2026253 AMAQI
17th Aug 2026254 AMAQI
17th Aug 2026255 AMAQI
28°C27/30°C
17th Aug 2026256 AMAQI
6 AM17th Aug 2026277 AMAQI
17th Aug 2026278 AMAQI
17th Aug 2026279 AMAQI
17th Aug 20262710 AMAQI
17th Aug 20263111 AMAQI
17th Aug 20263112 PMAQI
12 PM17th Aug 2026291 PMAQI
17th Aug 2026292 PMAQI
17th Aug 2026313 PMAQI
17th Aug 2026334 PMAQI
17th Aug 2026315 PMAQI
17th Aug 2026346 PMAQI
17th Aug 2026337 PMAQI
7 PM17th Aug 2026318 PMAQI
17th Aug 2026369 PMAQI
17th Aug 20263610 PMAQI
17th Aug 20263611 PMAQI
12 AM
5 AM
23°C23/24°C
Day time
Avg. Highest Time
6 AM - 9 AM
38AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
2 PM
33AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 9 AM (Avg. 38), while the lowest AQI was between 2 PM to 2 PM (Avg. 33).
Night time
Avg. Highest Time
3 AM - 5 AM
40AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
8 PM
35AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 5 AM (Avg. 40), while the lowest AQI was between 8 PM to 8 PM (Avg. 35).
2026 Days Vs Air Quality
Hedongzi Station, Sanya, Hainan, China
2026
69%
157
31%
72
Total number of days with different AQI categories in last 229 days in 2026 (136 days remaining)
Good
157 DaysModerate
72 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 69%
Health Risk Level:
Moderate
In 2026, 69% of 229 days were within WHO’s safe air quality limits, and 31% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Hedongzi Station, Sanya, Hainan, 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
57AQI (US)
57AQI (US)
2nd January 2026
86AQI (US)
86AQI (US)
3rd January 2026
67AQI (US)
67AQI (US)
4th January 2026
56AQI (US)
56AQI (US)
5th January 2026
54AQI (US)
54AQI (US)
6th January 2026
99AQI (US)
99AQI (US)
7th January 2026
77AQI (US)
77AQI (US)
8th January 2026
75AQI (US)
75AQI (US)
9th January 2026
50AQI (US)
50AQI (US)
10th January 2026
63AQI (US)
63AQI (US)
11th January 2026
77AQI (US)
77AQI (US)
12th January 2026
67AQI (US)
67AQI (US)
13th January 2026
66AQI (US)
66AQI (US)
14th January 2026
64AQI (US)
64AQI (US)
15th January 2026
56AQI (US)
56AQI (US)
16th January 2026
54AQI (US)
54AQI (US)
17th January 2026
67AQI (US)
67AQI (US)
18th January 2026
71AQI (US)
71AQI (US)
19th January 2026
54AQI (US)
54AQI (US)
20th January 2026
56AQI (US)
56AQI (US)
21st January 2026
63AQI (US)
63AQI (US)
22nd January 2026
70AQI (US)
70AQI (US)
23rd January 2026
56AQI (US)
56AQI (US)
24th January 2026
42AQI (US)
42AQI (US)
25th January 2026
32AQI (US)
32AQI (US)
26th January 2026
41AQI (US)
41AQI (US)
27th January 2026
41AQI (US)
41AQI (US)
28th January 2026
39AQI (US)
39AQI (US)
29th January 2026
55AQI (US)
55AQI (US)
30th January 2026
46AQI (US)
46AQI (US)
31st January 2026
39AQI (US)
39AQI (US)
1st February 2026
35AQI (US)
35AQI (US)
2nd February 2026
40AQI (US)
40AQI (US)
3rd February 2026
50AQI (US)
50AQI (US)
4th February 2026
50AQI (US)
50AQI (US)
5th February 2026
39AQI (US)
39AQI (US)
6th February 2026
25AQI (US)
25AQI (US)
7th February 2026
33AQI (US)
33AQI (US)
8th February 2026
46AQI (US)
46AQI (US)
9th February 2026
56AQI (US)
56AQI (US)
10th February 2026
38AQI (US)
38AQI (US)
11th February 2026
25AQI (US)
25AQI (US)
12th February 2026
36AQI (US)
36AQI (US)
13th February 2026
39AQI (US)
39AQI (US)
14th February 2026
51AQI (US)
51AQI (US)
15th February 2026
53AQI (US)
53AQI (US)
16th February 2026
60AQI (US)
60AQI (US)
17th February 2026
84AQI (US)
84AQI (US)
18th February 2026
67AQI (US)
67AQI (US)
19th February 2026
53AQI (US)
53AQI (US)
20th February 2026
56AQI (US)
56AQI (US)
21st February 2026
50AQI (US)
50AQI (US)
22nd February 2026
49AQI (US)
49AQI (US)
23rd February 2026
37AQI (US)
37AQI (US)
24th February 2026
48AQI (US)
48AQI (US)
25th February 2026
56AQI (US)
56AQI (US)
26th February 2026
52AQI (US)
52AQI (US)
27th February 2026
46AQI (US)
46AQI (US)
28th February 2026
43AQI (US)
43AQI (US)
1st March 2026
42AQI (US)
42AQI (US)
2nd March 2026
38AQI (US)
38AQI (US)
3rd March 2026
38AQI (US)
38AQI (US)
4th March 2026
32AQI (US)
32AQI (US)
5th March 2026
28AQI (US)
28AQI (US)
6th March 2026
61AQI (US)
61AQI (US)
7th March 2026
71AQI (US)
71AQI (US)
8th March 2026
51AQI (US)
51AQI (US)
9th March 2026
46AQI (US)
46AQI (US)
10th March 2026
31AQI (US)
31AQI (US)
11th March 2026
43AQI (US)
43AQI (US)
12th March 2026
63AQI (US)
63AQI (US)
13th March 2026
49AQI (US)
49AQI (US)
14th March 2026
92AQI (US)
92AQI (US)
15th March 2026
48AQI (US)
48AQI (US)
16th March 2026
52AQI (US)
52AQI (US)
17th March 2026
49AQI (US)
49AQI (US)
18th March 2026
48AQI (US)
48AQI (US)
19th March 2026
40AQI (US)
40AQI (US)
20th March 2026
43AQI (US)
43AQI (US)
21st March 2026
43AQI (US)
43AQI (US)
22nd March 2026
42AQI (US)
42AQI (US)
23rd March 2026
45AQI (US)
45AQI (US)
24th March 2026
43AQI (US)
43AQI (US)
25th March 2026
49AQI (US)
49AQI (US)
26th March 2026
49AQI (US)
49AQI (US)
27th March 2026
50AQI (US)
50AQI (US)
28th March 2026
59AQI (US)
59AQI (US)
29th March 2026
48AQI (US)
48AQI (US)
30th March 2026
36AQI (US)
36AQI (US)
31st March 2026
42AQI (US)
42AQI (US)
1st April 2026
56AQI (US)
56AQI (US)
2nd April 2026
66AQI (US)
66AQI (US)
3rd April 2026
59AQI (US)
59AQI (US)
4th April 2026
48AQI (US)
48AQI (US)
5th April 2026
77AQI (US)
77AQI (US)
6th April 2026
63AQI (US)
63AQI (US)
7th April 2026
62AQI (US)
62AQI (US)
8th April 2026
71AQI (US)
71AQI (US)
9th April 2026
46AQI (US)
46AQI (US)
10th April 2026
41AQI (US)
41AQI (US)
11th April 2026
53AQI (US)
53AQI (US)
12th April 2026
58AQI (US)
58AQI (US)
13th April 2026
46AQI (US)
46AQI (US)
14th April 2026
42AQI (US)
42AQI (US)
15th April 2026
28AQI (US)
28AQI (US)
16th April 2026
27AQI (US)
27AQI (US)
17th April 2026
31AQI (US)
31AQI (US)
18th April 2026
43AQI (US)
43AQI (US)
19th April 2026
48AQI (US)
48AQI (US)
20th April 2026
55AQI (US)
55AQI (US)
21st April 2026
53AQI (US)
53AQI (US)
22nd April 2026
52AQI (US)
52AQI (US)
23rd April 2026
52AQI (US)
52AQI (US)
24th April 2026
27AQI (US)
27AQI (US)
25th April 2026
37AQI (US)
37AQI (US)
26th April 2026
65AQI (US)
65AQI (US)
27th April 2026
37AQI (US)
37AQI (US)
28th April 2026
37AQI (US)
37AQI (US)
29th April 2026
70AQI (US)
70AQI (US)
30th April 2026
47AQI (US)
47AQI (US)
1st May 2026
51AQI (US)
51AQI (US)
2nd May 2026
44AQI (US)
44AQI (US)
3rd May 2026
41AQI (US)
41AQI (US)
4th May 2026
36AQI (US)
36AQI (US)
5th May 2026
31AQI (US)
31AQI (US)
6th May 2026
27AQI (US)
27AQI (US)
7th May 2026
31AQI (US)
31AQI (US)
8th May 2026
27AQI (US)
27AQI (US)
9th May 2026
21AQI (US)
21AQI (US)
10th May 2026
26AQI (US)
26AQI (US)
11th May 2026
45AQI (US)
45AQI (US)
12th May 2026
44AQI (US)
44AQI (US)
13th May 2026
26AQI (US)
26AQI (US)
14th May 2026
35AQI (US)
35AQI (US)
15th May 2026
62AQI (US)
62AQI (US)
16th May 2026
71AQI (US)
71AQI (US)
17th May 2026
56AQI (US)
56AQI (US)
18th May 2026
54AQI (US)
54AQI (US)
19th May 2026
43AQI (US)
43AQI (US)
20th May 2026
61AQI (US)
61AQI (US)
21st May 2026
74AQI (US)
74AQI (US)
22nd May 2026
70AQI (US)
70AQI (US)
23rd May 2026
63AQI (US)
63AQI (US)
24th May 2026
62AQI (US)
62AQI (US)
25th May 2026
55AQI (US)
55AQI (US)
26th May 2026
41AQI (US)
41AQI (US)
27th May 2026
28AQI (US)
28AQI (US)
28th May 2026
25AQI (US)
25AQI (US)
29th May 2026
49AQI (US)
49AQI (US)
30th May 2026
43AQI (US)
43AQI (US)
31st May 2026
34AQI (US)
34AQI (US)
1st June 2026
40AQI (US)
40AQI (US)
2nd June 2026
35AQI (US)
35AQI (US)
3rd June 2026
28AQI (US)
28AQI (US)
4th June 2026
26AQI (US)
26AQI (US)
5th June 2026
26AQI (US)
26AQI (US)
6th June 2026
24AQI (US)
24AQI (US)
7th June 2026
28AQI (US)
28AQI (US)
8th June 2026
28AQI (US)
28AQI (US)
9th June 2026
23AQI (US)
23AQI (US)
10th June 2026
24AQI (US)
24AQI (US)
11th June 2026
25AQI (US)
25AQI (US)
12th June 2026
23AQI (US)
23AQI (US)
13th June 2026
24AQI (US)
24AQI (US)
14th June 2026
27AQI (US)
27AQI (US)
15th June 2026
34AQI (US)
34AQI (US)
16th June 2026
32AQI (US)
32AQI (US)
17th June 2026
30AQI (US)
30AQI (US)
18th June 2026
28AQI (US)
28AQI (US)
19th June 2026
27AQI (US)
27AQI (US)
20th June 2026
25AQI (US)
25AQI (US)
21st June 2026
22AQI (US)
22AQI (US)
22nd June 2026
20AQI (US)
20AQI (US)
23rd June 2026
24AQI (US)
24AQI (US)
24th June 2026
24AQI (US)
24AQI (US)
25th June 2026
38AQI (US)
38AQI (US)
26th June 2026
30AQI (US)
30AQI (US)
27th June 2026
29AQI (US)
29AQI (US)
28th June 2026
29AQI (US)
29AQI (US)
29th June 2026
24AQI (US)
24AQI (US)
30th June 2026
23AQI (US)
23AQI (US)
1st July 2026
24AQI (US)
24AQI (US)
2nd July 2026
23AQI (US)
23AQI (US)
3rd July 2026
22AQI (US)
22AQI (US)
4th July 2026
25AQI (US)
25AQI (US)
5th July 2026
24AQI (US)
24AQI (US)
6th July 2026
23AQI (US)
23AQI (US)
7th July 2026
22AQI (US)
22AQI (US)
8th July 2026
23AQI (US)
23AQI (US)
9th July 2026
25AQI (US)
25AQI (US)
10th July 2026
28AQI (US)
28AQI (US)
11th July 2026
29AQI (US)
29AQI (US)
12th July 2026
26AQI (US)
26AQI (US)
13th July 2026
24AQI (US)
24AQI (US)
14th July 2026
23AQI (US)
23AQI (US)
15th July 2026
29AQI (US)
29AQI (US)
16th July 2026
35AQI (US)
35AQI (US)
17th July 2026
31AQI (US)
31AQI (US)
18th July 2026
43AQI (US)
43AQI (US)
19th July 2026
63AQI (US)
63AQI (US)
20th July 2026
74AQI (US)
74AQI (US)
21st July 2026
69AQI (US)
69AQI (US)
22nd July 2026
64AQI (US)
64AQI (US)
23rd July 2026
67AQI (US)
67AQI (US)
24th July 2026
66AQI (US)
66AQI (US)
25th July 2026
50AQI (US)
50AQI (US)
26th July 2026
36AQI (US)
36AQI (US)
27th July 2026
29AQI (US)
29AQI (US)
28th July 2026
33AQI (US)
33AQI (US)
29th July 2026
28AQI (US)
28AQI (US)
30th July 2026
23AQI (US)
23AQI (US)
31st July 2026
25AQI (US)
25AQI (US)
1st August 2026
26AQI (US)
26AQI (US)
2nd August 2026
30AQI (US)
30AQI (US)
3rd August 2026
38AQI (US)
38AQI (US)
4th August 2026
31AQI (US)
31AQI (US)
5th August 2026
25AQI (US)
25AQI (US)
6th August 2026
22AQI (US)
22AQI (US)
7th August 2026
26AQI (US)
26AQI (US)
8th August 2026
25AQI (US)
25AQI (US)
9th August 2026
31AQI (US)
31AQI (US)
10th August 2026
23AQI (US)
23AQI (US)
11th August 2026
35AQI (US)
35AQI (US)
12th August 2026
23AQI (US)
23AQI (US)
13th August 2026
33AQI (US)
33AQI (US)
14th August 2026
36AQI (US)
36AQI (US)
15th August 2026
24AQI (US)
24AQI (US)
16th August 2026
23AQI (US)
23AQI (US)
17th August 2026
29AQI (US)
29AQI (US)
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
59AQI (US)
47AQI (US)
47AQI (US)
50AQI (US)
44AQI (US)
27AQI (US)
36AQI (US)
28AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202643AQI (US)
8
23
18
10
24
7
15
15
20
11
30
25
6
17
157
72
Highest AQI (US) recorded in
January59AQI (US)
Lowest AQI (US) recorded in
June27AQI (US)
202548AQI (US)
30
1
16
12
17
14
10
17
3
23
8
29
1
31
23
8
29
1
18
13
10
20
9
22
215
146
4
Highest AQI (US) recorded in
January70AQI (US)
Lowest AQI (US) recorded in
September32AQI (US)
202446AQI (US)
10
21
15
14
8
23
15
15
25
6
27
3
31
31
28
2
16
14
1
13
17
2
29
221
144
1
Highest AQI (US) recorded in
December63AQI (US)
Lowest AQI (US) recorded in
September29AQI (US)
202346AQI (US)
14
16
15
12
1
8
22
1
7
22
1
17
14
25
5
31
29
2
28
2
24
7
15
10
1
23
8
236
120
4
Highest AQI (US) recorded in
March62AQI (US)
Lowest AQI (US) recorded in
July29AQI (US)
202245AQI (US)
17
12
15
6
19
12
13
4
28
3
25
5
21
1
14
14
17
14
26
4
11
20
207
94
Highest AQI (US) recorded in
December56AQI (US)
Lowest AQI (US) recorded in
August20AQI (US)
202146AQI (US)
6
21
2
1
8
20
15
16
17
13
27
4
19
11
27
4
22
6
29
1
28
3
15
15
13
16
2
226
130
4
1
Highest AQI (US) recorded in
January70AQI (US)
Lowest AQI (US) recorded in
September29AQI (US)
202042AQI (US)
12
1
13
8
14
4
30
31
29
2
29
1
19
12
15
12
3
7
24
199
64
3
Highest AQI (US) recorded in
December61AQI (US)
Lowest AQI (US) recorded in
August29AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
48AQI (US)Least Polluted Year Recorded
2020(Avg.)
42AQI (US)Hedongzi Station's annual 2026 AQI (US) (43) shows an average percentage change of -5.3% (improved AQI (US)) compared to previous years: 2020 (42), 2021 (46), 2022 (45), 2023 (46), 2024 (46), 2025 (48).
