Haitang Bay, 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
Haitang Bay, Sanya, Hainan, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2025
59AQILowest AQI recorded on
31st Aug 2022
13AQISame Day Analysis (7th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 54 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 7th Aug - 8th Aug 2025
Haitang Bay, Sanya, Hainan, China
AQI
Day
Night
.
6 AM7th Aug 2025
7 PM
5 AM8th Aug 2025
Day time
Avg. Highest Time
7AM7th Aug
57AQI
Avg. Lowest Time
8AM7th Aug
37AQI
Night time
Avg. Highest Time
4AM8th Aug
55AQI
Avg. Lowest Time
2AM8th Aug
52AQI
In the last 24 hours,
Haitang Bay's AQI reached its highest point of 57 at 7 AM during the Day, while the lowest point, 37, was recorded at 8 AM during the Day between 7th Aug and 8th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Haitang Bay, Sanya, Hainan, 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 - 08th08th
Day
Night
9th Jul 2025306 AMAQI
9th Jul 2025317 AMAQI
9th Jul 2025368 AMAQI
9th Jul 2025359 AMAQI
9th Jul 20253510 AMAQI
9th Jul 20253511 AMAQI
9th Jul 20253812 PMAQI
9th Jul 2025421 PMAQI
9th Jul 2025422 PMAQI
9th Jul 2025453 PMAQI
9th Jul 2025404 PMAQI
9th Jul 2025385 PMAQI
9th Jul 2025386 PMAQI
9th Jul 2025437 PMAQI
9th Jul 2025418 PMAQI
9th Jul 2025409 PMAQI
9th Jul 20253810 PMAQI
9th Jul 20253811 PMAQI
10th Jul 20253712 AMAQI
10th Jul 2025371 AMAQI
10th Jul 2025362 AMAQI
10th Jul 2025363 AMAQI
10th Jul 2025364 AMAQI
10th Jul 2025365 AMAQI
28°C26/30°C
10th Jul 2025366 AMAQI
10th Jul 2025367 AMAQI
10th Jul 2025438 AMAQI
10th Jul 2025479 AMAQI
10th Jul 20254510 AMAQI
10th Jul 20254611 AMAQI
10th Jul 20254312 PMAQI
10th Jul 2025371 PMAQI
10th Jul 2025352 PMAQI
10th Jul 2025283 PMAQI
10th Jul 2025274 PMAQI
10th Jul 2025305 PMAQI
10th Jul 2025366 PMAQI
10th Jul 2025377 PMAQI
10th Jul 2025418 PMAQI
10th Jul 2025399 PMAQI
10th Jul 20253710 PMAQI
10th Jul 20253611 PMAQI
11th Jul 20253512 AMAQI
11th Jul 2025411 AMAQI
11th Jul 2025372 AMAQI
11th Jul 2025383 AMAQI
11th Jul 2025374 AMAQI
11th Jul 2025375 AMAQI
28°C27/30°C
11th Jul 2025396 AMAQI
11th Jul 2025407 AMAQI
11th Jul 2025528 AMAQI
11th Jul 2025549 AMAQI
11th Jul 20255610 AMAQI
11th Jul 20255611 AMAQI
11th Jul 20255612 PMAQI
11th Jul 2025551 PMAQI
11th Jul 2025472 PMAQI
11th Jul 2025483 PMAQI
11th Jul 2025404 PMAQI
11th Jul 2025365 PMAQI
11th Jul 2025346 PMAQI
11th Jul 2025307 PMAQI
11th Jul 2025388 PMAQI
11th Jul 2025419 PMAQI
11th Jul 20253910 PMAQI
11th Jul 20253811 PMAQI
12th Jul 20254012 AMAQI
12th Jul 2025381 AMAQI
12th Jul 2025382 AMAQI
12th Jul 2025403 AMAQI
12th Jul 2025444 AMAQI
12th Jul 2025445 AMAQI
28°C26/31°C
12th Jul 2025436 AMAQI
12th Jul 2025437 AMAQI
12th Jul 2025288 AMAQI
12th Jul 2025339 AMAQI
12th Jul 20252710 AMAQI
12th Jul 20252611 AMAQI
12th Jul 20253512 PMAQI
12th Jul 2025381 PMAQI
12th Jul 2025382 PMAQI
12th Jul 2025363 PMAQI
12th Jul 2025364 PMAQI
12th Jul 2025375 PMAQI
12th Jul 2025386 PMAQI
12th Jul 2025427 PMAQI
12th Jul 2025428 PMAQI
12th Jul 2025429 PMAQI
12th Jul 20254310 PMAQI
12th Jul 20254811 PMAQI
13th Jul 20255012 AMAQI
13th Jul 2025451 AMAQI
13th Jul 2025432 AMAQI
13th Jul 2025423 AMAQI
13th Jul 2025414 AMAQI
13th Jul 2025405 AMAQI
28°C26/31°C
13th Jul 2025406 AMAQI
13th Jul 2025397 AMAQI
13th Jul 2025408 AMAQI
13th Jul 2025369 AMAQI
13th Jul 20253610 AMAQI
13th Jul 20254611 AMAQI
13th Jul 20254712 PMAQI
13th Jul 2025481 PMAQI
13th Jul 2025482 PMAQI
13th Jul 2025433 PMAQI
13th Jul 2025364 PMAQI
13th Jul 2025365 PMAQI
13th Jul 2025366 PMAQI
13th Jul 2025427 PMAQI
13th Jul 2025488 PMAQI
13th Jul 2025469 PMAQI
13th Jul 20254610 PMAQI
13th Jul 20254711 PMAQI
14th Jul 20254612 AMAQI
14th Jul 2025431 AMAQI
14th Jul 2025482 AMAQI
14th Jul 2025463 AMAQI
14th Jul 2025434 AMAQI
14th Jul 2025445 AMAQI
29°C26/31°C
14th Jul 2025436 AMAQI
14th Jul 2025437 AMAQI
14th Jul 2025398 AMAQI
14th Jul 2025379 AMAQI
14th Jul 20254110 AMAQI
14th Jul 20254011 AMAQI
14th Jul 20254112 PMAQI
14th Jul 2025401 PMAQI
14th Jul 2025422 PMAQI
14th Jul 2025463 PMAQI
14th Jul 2025484 PMAQI
14th Jul 2025525 PMAQI
14th Jul 2025526 PMAQI
14th Jul 2025527 PMAQI
14th Jul 2025528 PMAQI
14th Jul 2025529 PMAQI
14th Jul 20255210 PMAQI
14th Jul 20255211 PMAQI
15th Jul 20255212 AMAQI
15th Jul 2025501 AMAQI
15th Jul 2025452 AMAQI
15th Jul 2025463 AMAQI
15th Jul 2025464 AMAQI
15th Jul 2025465 AMAQI
29°C26/32°C
15th Jul 2025456 AMAQI
15th Jul 2025467 AMAQI
15th Jul 2025538 AMAQI
15th Jul 2025589 AMAQI
15th Jul 20255210 AMAQI
15th Jul 20255211 AMAQI
15th Jul 20254712 PMAQI
15th Jul 2025391 PMAQI
15th Jul 2025432 PMAQI
15th Jul 2025453 PMAQI
15th Jul 2025474 PMAQI
15th Jul 2025475 PMAQI
15th Jul 2025446 PMAQI
15th Jul 2025467 PMAQI
15th Jul 2025488 PMAQI
15th Jul 2025479 PMAQI
15th Jul 20254910 PMAQI
15th Jul 20254911 PMAQI
16th Jul 20254712 AMAQI
16th Jul 2025481 AMAQI
16th Jul 2025492 AMAQI
16th Jul 2025483 AMAQI
16th Jul 2025494 AMAQI
16th Jul 2025495 AMAQI
29°C26/32°C
16th Jul 2025486 AMAQI
16th Jul 2025497 AMAQI
16th Jul 2025458 AMAQI
16th Jul 2025449 AMAQI
16th Jul 20254410 AMAQI
16th Jul 20254011 AMAQI
16th Jul 20254212 PMAQI
16th Jul 2025441 PMAQI
16th Jul 2025442 PMAQI
16th Jul 2025423 PMAQI
16th Jul 2025434 PMAQI
16th Jul 2025435 PMAQI
16th Jul 2025446 PMAQI
16th Jul 2025457 PMAQI
16th Jul 2025508 PMAQI
16th Jul 2025489 PMAQI
16th Jul 20254210 PMAQI
16th Jul 20254211 PMAQI
17th Jul 20254112 AMAQI
17th Jul 2025481 AMAQI
17th Jul 2025402 AMAQI
17th Jul 2025483 AMAQI
17th Jul 2025494 AMAQI
17th Jul 2025485 AMAQI
29°C27/32°C
17th Jul 2025486 AMAQI
17th Jul 2025487 AMAQI
17th Jul 2025388 AMAQI
17th Jul 2025229 AMAQI
17th Jul 20252910 AMAQI
17th Jul 20252511 AMAQI
17th Jul 20254412 PMAQI
17th Jul 2025521 PMAQI
17th Jul 2025482 PMAQI
17th Jul 2025463 PMAQI
17th Jul 2025524 PMAQI
17th Jul 2025525 PMAQI
17th Jul 2025496 PMAQI
17th Jul 2025537 PMAQI
17th Jul 2025478 PMAQI
17th Jul 2025489 PMAQI
17th Jul 20254910 PMAQI
17th Jul 20255111 PMAQI
18th Jul 20255012 AMAQI
18th Jul 2025491 AMAQI
18th Jul 2025492 AMAQI
18th Jul 2025473 AMAQI
18th Jul 2025464 AMAQI
18th Jul 2025455 AMAQI
29°C27/32°C
18th Jul 2025466 AMAQI
18th Jul 2025457 AMAQI
18th Jul 2025368 AMAQI
18th Jul 2025409 AMAQI
18th Jul 20253410 AMAQI
18th Jul 20254311 AMAQI
18th Jul 20255012 PMAQI
18th Jul 2025521 PMAQI
18th Jul 2025542 PMAQI
18th Jul 2025683 PMAQI
18th Jul 2025514 PMAQI
18th Jul 2025485 PMAQI
18th Jul 2025506 PMAQI
18th Jul 2025547 PMAQI
18th Jul 2025628 PMAQI
18th Jul 2025589 PMAQI
18th Jul 20255410 PMAQI
18th Jul 20254511 PMAQI
19th Jul 20254412 AMAQI
19th Jul 2025441 AMAQI
19th Jul 2025432 AMAQI
19th Jul 2025443 AMAQI
19th Jul 2025444 AMAQI
19th Jul 2025465 AMAQI
29°C27/32°C
19th Jul 2025476 AMAQI
19th Jul 2025487 AMAQI
19th Jul 2025268 AMAQI
19th Jul 2025209 AMAQI
19th Jul 20252010 AMAQI
19th Jul 20252611 AMAQI
19th Jul 20253212 PMAQI
19th Jul 2025301 PMAQI
19th Jul 2025292 PMAQI
19th Jul 2025293 PMAQI
19th Jul 2025284 PMAQI
19th Jul 2025285 PMAQI
19th Jul 2025306 PMAQI
19th Jul 2025387 PMAQI
19th Jul 2025428 PMAQI
19th Jul 2025489 PMAQI
19th Jul 20254410 PMAQI
19th Jul 20254311 PMAQI
20th Jul 20254412 AMAQI
20th Jul 2025441 AMAQI
20th Jul 2025462 AMAQI
20th Jul 2025463 AMAQI
20th Jul 2025424 AMAQI
20th Jul 2025425 AMAQI
28°C26/29°C
20th Jul 2025426 AMAQI
20th Jul 2025427 AMAQI
20th Jul 2025308 AMAQI
20th Jul 2025229 AMAQI
20th Jul 20252310 AMAQI
20th Jul 20252711 AMAQI
20th Jul 20252912 PMAQI
20th Jul 2025281 PMAQI
20th Jul 2025362 PMAQI
20th Jul 2025283 PMAQI
20th Jul 2025244 PMAQI
20th Jul 2025245 PMAQI
20th Jul 2025246 PMAQI
20th Jul 2025317 PMAQI
20th Jul 2025498 PMAQI
20th Jul 2025489 PMAQI
20th Jul 20254610 PMAQI
20th Jul 20254111 PMAQI
21st Jul 20253912 AMAQI
21st Jul 2025381 AMAQI
21st Jul 2025392 AMAQI
21st Jul 2025383 AMAQI
21st Jul 2025374 AMAQI
21st Jul 2025395 AMAQI
27°C26/28°C
21st Jul 2025406 AMAQI
21st Jul 2025397 AMAQI
21st Jul 2025248 AMAQI
21st Jul 2025219 AMAQI
21st Jul 20252210 AMAQI
21st Jul 20252311 AMAQI
21st Jul 20252312 PMAQI
21st Jul 2025221 PMAQI
21st Jul 2025212 PMAQI
21st Jul 2025213 PMAQI
21st Jul 2025204 PMAQI
21st Jul 2025235 PMAQI
21st Jul 2025226 PMAQI
21st Jul 2025277 PMAQI
21st Jul 2025348 PMAQI
21st Jul 2025349 PMAQI
21st Jul 20254010 PMAQI
21st Jul 20253411 PMAQI
22nd Jul 20253312 AMAQI
22nd Jul 2025361 AMAQI
22nd Jul 2025342 AMAQI
22nd Jul 2025353 AMAQI
22nd Jul 2025384 AMAQI
22nd Jul 2025385 AMAQI
26°C26/27°C
22nd Jul 2025376 AMAQI
22nd Jul 2025377 AMAQI
22nd Jul 2025228 AMAQI
22nd Jul 2025199 AMAQI
22nd Jul 20252210 AMAQI
22nd Jul 20252411 AMAQI
22nd Jul 20252212 PMAQI
22nd Jul 2025211 PMAQI
22nd Jul 2025212 PMAQI
22nd Jul 2025223 PMAQI
22nd Jul 2025204 PMAQI
22nd Jul 2025215 PMAQI
22nd Jul 2025246 PMAQI
22nd Jul 2025267 PMAQI
22nd Jul 2025318 PMAQI
22nd Jul 2025329 PMAQI
22nd Jul 20254110 PMAQI
22nd Jul 20254111 PMAQI
23rd Jul 20253812 AMAQI
23rd Jul 2025401 AMAQI
23rd Jul 2025402 AMAQI
23rd Jul 2025383 AMAQI
23rd Jul 2025364 AMAQI
23rd Jul 2025345 AMAQI
27°C26/29°C
23rd Jul 2025346 AMAQI
23rd Jul 2025347 AMAQI
23rd Jul 2025328 AMAQI
23rd Jul 2025299 AMAQI
23rd Jul 20252410 AMAQI
23rd Jul 20251811 AMAQI
23rd Jul 20252012 PMAQI
23rd Jul 2025231 PMAQI
23rd Jul 2025182 PMAQI
23rd Jul 2025173 PMAQI
23rd Jul 2025154 PMAQI
23rd Jul 2025165 PMAQI
23rd Jul 2025176 PMAQI
23rd Jul 2025287 PMAQI
23rd Jul 2025388 PMAQI
23rd Jul 2025389 PMAQI
23rd Jul 20253710 PMAQI
23rd Jul 20253811 PMAQI
24th Jul 20253712 AMAQI
24th Jul 2025391 AMAQI
24th Jul 2025382 AMAQI
24th Jul 2025353 AMAQI
24th Jul 2025344 AMAQI
24th Jul 2025345 AMAQI
28°C25/30°C
24th Jul 2025346 AMAQI
24th Jul 2025347 AMAQI
24th Jul 2025268 AMAQI
24th Jul 2025209 AMAQI
24th Jul 20251710 AMAQI
24th Jul 20251811 AMAQI
24th Jul 20252012 PMAQI
24th Jul 2025201 PMAQI
24th Jul 2025202 PMAQI
24th Jul 2025203 PMAQI
24th Jul 2025274 PMAQI
24th Jul 2025275 PMAQI
24th Jul 2025266 PMAQI
24th Jul 2025227 PMAQI
24th Jul 2025298 PMAQI
24th Jul 2025309 PMAQI
24th Jul 20252810 PMAQI
24th Jul 20252911 PMAQI
25th Jul 20252812 AMAQI
25th Jul 2025301 AMAQI
25th Jul 2025372 AMAQI
25th Jul 2025363 AMAQI
25th Jul 2025344 AMAQI
25th Jul 2025335 AMAQI
27°C25/30°C
25th Jul 2025346 AMAQI
25th Jul 2025337 AMAQI
25th Jul 2025258 AMAQI
25th Jul 2025219 AMAQI
25th Jul 20252210 AMAQI
25th Jul 20252311 AMAQI
25th Jul 20252612 PMAQI
25th Jul 2025241 PMAQI
25th Jul 2025242 PMAQI
25th Jul 2025223 PMAQI
25th Jul 2025234 PMAQI
25th Jul 2025235 PMAQI
25th Jul 2025296 PMAQI
25th Jul 2025337 PMAQI
25th Jul 2025348 PMAQI
25th Jul 2025379 PMAQI
25th Jul 20253610 PMAQI
25th Jul 20253411 PMAQI
26th Jul 20253512 AMAQI
26th Jul 2025381 AMAQI
26th Jul 2025392 AMAQI
26th Jul 2025353 AMAQI
26th Jul 2025364 AMAQI
26th Jul 2025355 AMAQI
27°C25/29°C
26th Jul 2025346 AMAQI
26th Jul 2025337 AMAQI
26th Jul 2025248 AMAQI
26th Jul 2025199 AMAQI
26th Jul 20252210 AMAQI
26th Jul 20252311 AMAQI
26th Jul 20252412 PMAQI
26th Jul 2025231 PMAQI
26th Jul 2025242 PMAQI
26th Jul 2025263 PMAQI
26th Jul 2025284 PMAQI
26th Jul 2025385 PMAQI
26th Jul 2025326 PMAQI
26th Jul 2025327 PMAQI
26th Jul 2025348 PMAQI
26th Jul 2025349 PMAQI
26th Jul 20253610 PMAQI
26th Jul 20253611 PMAQI
27th Jul 20253812 AMAQI
27th Jul 2025381 AMAQI
27th Jul 2025382 AMAQI
27th Jul 2025383 AMAQI
27th Jul 2025344 AMAQI
27th Jul 2025335 AMAQI
27°C25/31°C
27th Jul 2025346 AMAQI
27th Jul 2025337 AMAQI
27th Jul 2025308 AMAQI
27th Jul 2025309 AMAQI
27th Jul 20253010 AMAQI
27th Jul 20252611 AMAQI
27th Jul 20252412 PMAQI
27th Jul 2025331 PMAQI
27th Jul 2025322 PMAQI
27th Jul 2025343 PMAQI
27th Jul 2025324 PMAQI
27th Jul 2025275 PMAQI
27th Jul 2025356 PMAQI
27th Jul 2025387 PMAQI
27th Jul 2025388 PMAQI
27th Jul 2025399 PMAQI
27th Jul 20253710 PMAQI
27th Jul 20253011 PMAQI
28th Jul 20253012 AMAQI
28th Jul 2025301 AMAQI
28th Jul 2025302 AMAQI
28th Jul 2025313 AMAQI
28th Jul 2025344 AMAQI
28th Jul 2025355 AMAQI
27°C25/30°C
28th Jul 2025356 AMAQI
28th Jul 2025357 AMAQI
28th Jul 2025228 AMAQI
28th Jul 2025199 AMAQI
28th Jul 20251810 AMAQI
28th Jul 20252011 AMAQI
28th Jul 20252212 PMAQI
28th Jul 2025211 PMAQI
28th Jul 2025192 PMAQI
28th Jul 2025213 PMAQI
28th Jul 2025204 PMAQI
28th Jul 2025195 PMAQI
28th Jul 2025186 PMAQI
28th Jul 2025247 PMAQI
28th Jul 2025278 PMAQI
28th Jul 2025309 PMAQI
28th Jul 20252910 PMAQI
28th Jul 20252811 PMAQI
29th Jul 20252912 AMAQI
29th Jul 2025301 AMAQI
29th Jul 2025342 AMAQI
29th Jul 2025343 AMAQI
29th Jul 2025344 AMAQI
29th Jul 2025325 AMAQI
27°C26/29°C
29th Jul 2025326 AMAQI
29th Jul 2025317 AMAQI
29th Jul 2025238 AMAQI
29th Jul 2025269 AMAQI
29th Jul 20253110 AMAQI
29th Jul 20253211 AMAQI
29th Jul 20253412 PMAQI
29th Jul 2025331 PMAQI
29th Jul 2025322 PMAQI
29th Jul 2025223 PMAQI
29th Jul 2025234 PMAQI
29th Jul 2025235 PMAQI
29th Jul 2025296 PMAQI
29th Jul 2025307 PMAQI
29th Jul 2025368 PMAQI
29th Jul 2025379 PMAQI
29th Jul 20253610 PMAQI
29th Jul 20253311 PMAQI
30th Jul 20253412 AMAQI
30th Jul 2025341 AMAQI
30th Jul 2025352 AMAQI
30th Jul 2025353 AMAQI
30th Jul 2025344 AMAQI
30th Jul 2025335 AMAQI
28°C26/30°C
30th Jul 2025346 AMAQI
30th Jul 2025357 AMAQI
30th Jul 2025488 AMAQI
30th Jul 2025469 AMAQI
30th Jul 20254310 AMAQI
30th Jul 20253511 AMAQI
30th Jul 20253212 PMAQI
30th Jul 2025401 PMAQI
30th Jul 2025392 PMAQI
30th Jul 2025383 PMAQI
30th Jul 2025394 PMAQI
30th Jul 2025365 PMAQI
30th Jul 2025426 PMAQI
30th Jul 2025437 PMAQI
30th Jul 2025388 PMAQI
30th Jul 2025379 PMAQI
30th Jul 20253810 PMAQI
30th Jul 20253711 PMAQI
31st Jul 20254012 AMAQI
31st Jul 2025361 AMAQI
31st Jul 2025382 AMAQI
31st Jul 2025383 AMAQI
31st Jul 2025384 AMAQI
31st Jul 2025385 AMAQI
28°C27/29°C
31st Jul 2025386 AMAQI
31st Jul 2025387 AMAQI
31st Jul 2025388 AMAQI
31st Jul 2025389 AMAQI
31st Jul 20254410 AMAQI
31st Jul 20254211 AMAQI
31st Jul 20253912 PMAQI
31st Jul 2025421 PMAQI
31st Jul 2025442 PMAQI
31st Jul 2025463 PMAQI
31st Jul 2025474 PMAQI
31st Jul 2025465 PMAQI
31st Jul 2025546 PMAQI
31st Jul 2025567 PMAQI
31st Jul 2025498 PMAQI
31st Jul 2025529 PMAQI
31st Jul 20255510 PMAQI
31st Jul 20255111 PMAQI
1st Aug 20255412 AMAQI
1st Aug 2025571 AMAQI
1st Aug 2025582 AMAQI
1st Aug 2025543 AMAQI
1st Aug 2025534 AMAQI
1st Aug 2025545 AMAQI
28°C26/30°C
1st Aug 2025566 AMAQI
1st Aug 2025547 AMAQI
1st Aug 2025518 AMAQI
1st Aug 2025589 AMAQI
1st Aug 20255010 AMAQI
1st Aug 20254611 AMAQI
1st Aug 20255412 PMAQI
1st Aug 2025521 PMAQI
1st Aug 2025592 PMAQI
1st Aug 2025613 PMAQI
1st Aug 2025644 PMAQI
1st Aug 2025625 PMAQI
1st Aug 2025626 PMAQI
1st Aug 2025627 PMAQI
1st Aug 2025598 PMAQI
1st Aug 2025589 PMAQI
1st Aug 20255810 PMAQI
1st Aug 20256111 PMAQI
2nd Aug 20256012 AMAQI
2nd Aug 2025561 AMAQI
2nd Aug 2025562 AMAQI
2nd Aug 2025563 AMAQI
2nd Aug 2025554 AMAQI
2nd Aug 2025565 AMAQI
28°C27/31°C
2nd Aug 2025566 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025498 AMAQI
2nd Aug 2025449 AMAQI
2nd Aug 20254610 AMAQI
2nd Aug 20254611 AMAQI
2nd Aug 20255312 PMAQI
2nd Aug 2025491 PMAQI
2nd Aug 2025622 PMAQI
2nd Aug 2025603 PMAQI
2nd Aug 2025594 PMAQI
2nd Aug 2025685 PMAQI
2nd Aug 2025676 PMAQI
2nd Aug 2025677 PMAQI
2nd Aug 2025628 PMAQI
2nd Aug 2025639 PMAQI
2nd Aug 20256210 PMAQI
2nd Aug 20256511 PMAQI
3rd Aug 20256412 AMAQI
3rd Aug 2025561 AMAQI
3rd Aug 2025552 AMAQI
3rd Aug 2025553 AMAQI
3rd Aug 2025544 AMAQI
3rd Aug 2025545 AMAQI
29°C27/32°C
3rd Aug 2025556 AMAQI
3rd Aug 2025557 AMAQI
3rd Aug 2025588 AMAQI
3rd Aug 2025669 AMAQI
3rd Aug 20256110 AMAQI
3rd Aug 20256611 AMAQI
3rd Aug 20256212 PMAQI
3rd Aug 2025571 PMAQI
3rd Aug 2025572 PMAQI
3rd Aug 2025583 PMAQI
3rd Aug 2025584 PMAQI
3rd Aug 2025615 PMAQI
3rd Aug 2025606 PMAQI
3rd Aug 2025607 PMAQI
3rd Aug 2025618 PMAQI
3rd Aug 2025609 PMAQI
3rd Aug 20255910 PMAQI
3rd Aug 20256211 PMAQI
4th Aug 20255912 AMAQI
4th Aug 2025581 AMAQI
4th Aug 2025572 AMAQI
4th Aug 2025573 AMAQI
4th Aug 2025584 AMAQI
4th Aug 2025575 AMAQI
29°C27/32°C
4th Aug 2025586 AMAQI
4th Aug 2025587 AMAQI
4th Aug 2025648 AMAQI
4th Aug 2025529 AMAQI
4th Aug 20256010 AMAQI
4th Aug 20255611 AMAQI
4th Aug 20255112 PMAQI
4th Aug 2025521 PMAQI
4th Aug 2025542 PMAQI
4th Aug 2025543 PMAQI
4th Aug 2025544 PMAQI
4th Aug 2025545 PMAQI
4th Aug 2025556 PMAQI
4th Aug 2025587 PMAQI
4th Aug 2025588 PMAQI
4th Aug 2025579 PMAQI
4th Aug 20255710 PMAQI
4th Aug 20255611 PMAQI
5th Aug 20255612 AMAQI
5th Aug 2025581 AMAQI
5th Aug 2025582 AMAQI
5th Aug 2025573 AMAQI
5th Aug 2025574 AMAQI
5th Aug 2025585 AMAQI
29°C27/31°C
5th Aug 2025576 AMAQI
5th Aug 2025587 AMAQI
5th Aug 2025528 AMAQI
5th Aug 2025549 AMAQI
5th Aug 20255610 AMAQI
5th Aug 20255911 AMAQI
5th Aug 20255812 PMAQI
5th Aug 2025611 PMAQI
5th Aug 2025602 PMAQI
5th Aug 2025573 PMAQI
5th Aug 2025574 PMAQI
5th Aug 2025545 PMAQI
5th Aug 2025466 PMAQI
5th Aug 2025487 PMAQI
5th Aug 2025538 PMAQI
5th Aug 2025539 PMAQI
5th Aug 20255410 PMAQI
5th Aug 20255611 PMAQI
6th Aug 20255512 AMAQI
6th Aug 2025571 AMAQI
6th Aug 2025572 AMAQI
6th Aug 2025583 AMAQI
6th Aug 2025574 AMAQI
6th Aug 2025575 AMAQI
29°C27/32°C
6th Aug 2025576 AMAQI
6th Aug 2025577 AMAQI
6th Aug 2025588 AMAQI
6th Aug 2025589 AMAQI
6th Aug 20255710 AMAQI
6th Aug 20255911 AMAQI
6th Aug 20255812 PMAQI
6th Aug 2025621 PMAQI
6th Aug 2025592 PMAQI
6th Aug 2025603 PMAQI
6th Aug 2025584 PMAQI
6th Aug 2025575 PMAQI
6th Aug 2025566 PMAQI
6th Aug 2025577 PMAQI
6th Aug 2025588 PMAQI
6th Aug 2025569 PMAQI
6th Aug 20255810 PMAQI
6th Aug 20255611 PMAQI
7th Aug 20255612 AMAQI
7th Aug 2025561 AMAQI
7th Aug 2025562 AMAQI
7th Aug 2025563 AMAQI
7th Aug 2025564 AMAQI
7th Aug 2025565 AMAQI
28°C27/31°C
7th Aug 2025566 AMAQI
7th Aug 2025577 AMAQI
7th Aug 2025378 AMAQI
7th Aug 2025389 AMAQI
7th Aug 20255110 AMAQI
7th Aug 20254611 AMAQI
7th Aug 20254912 PMAQI
7th Aug 2025511 PMAQI
7th Aug 2025532 PMAQI
7th Aug 2025543 PMAQI
7th Aug 2025534 PMAQI
7th Aug 2025525 PMAQI
7th Aug 2025526 PMAQI
7th Aug 2025537 PMAQI
7th Aug 2025548 PMAQI
7th Aug 2025549 PMAQI
7th Aug 20255310 PMAQI
7th Aug 20255211 PMAQI
8th Aug 20255212 AMAQI
8th Aug 2025521 AMAQI
8th Aug 2025522 AMAQI
8th Aug 2025543 AMAQI
8th Aug 2025554 AMAQI
8th Aug 2025555 AMAQI
28°C26/31°C
8th Aug 2025556 AMAQI
6 AM8th Aug 2025557 AMAQI
8th Aug 2025408 AMAQI
8th Aug 2025339 AMAQI
8th Aug 20253410 AMAQI
8th Aug 20253611 AMAQI
8th Aug 20253812 PMAQI
12 PM8th Aug 2025351 PMAQI
8th Aug 2025362 PMAQI
7 PM
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 7 AM
43AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
8 AM - 11 AM
37AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 7 AM (Avg. 43), while the lowest AQI was between 8 AM to 11 AM (Avg. 37).
Night time
Avg. Highest Time
12 AM - 11 PM
44AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM - 11 PM
44AQI
10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 44), while the lowest AQI was between 12 AM to 11 PM (Avg. 44).
2025 Days Vs Air Quality
Haitang Bay, Sanya, Hainan, China
2025
57%
125
41%
89
2%
5
Total number of days with different AQI categories in last 220 days in 2025 (145 days remaining)
Good
125 DaysModerate
89 DaysPoor
5 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 57%
Health Risk Level:
Considerable
In 2025, 57% of 220 days were within WHO’s safe air quality limits, and 43% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Haitang Bay, Sanya, Hainan, China
AQI levels in 2025
AQI
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.
1st January 2025
81AQI
81AQI
2nd January 2025
75AQI
75AQI
3rd January 2025
86AQI
86AQI
4th January 2025
76AQI
76AQI
5th January 2025
89AQI
89AQI
6th January 2025
93AQI
93AQI
7th January 2025
78AQI
78AQI
8th January 2025
73AQI
73AQI
9th January 2025
75AQI
75AQI
10th January 2025
104AQI
104AQI
11th January 2025
75AQI
75AQI
12th January 2025
82AQI
82AQI
13th January 2025
63AQI
63AQI
14th January 2025
55AQI
55AQI
15th January 2025
54AQI
54AQI
16th January 2025
82AQI
82AQI
17th January 2025
83AQI
83AQI
18th January 2025
78AQI
78AQI
19th January 2025
80AQI
80AQI
20th January 2025
77AQI
77AQI
21st January 2025
74AQI
74AQI
22nd January 2025
70AQI
70AQI
23rd January 2025
66AQI
66AQI
24th January 2025
56AQI
56AQI
25th January 2025
53AQI
53AQI
26th January 2025
50AQI
50AQI
27th January 2025
52AQI
52AQI
28th January 2025
58AQI
58AQI
29th January 2025
67AQI
67AQI
30th January 2025
61AQI
61AQI
31st January 2025
59AQI
59AQI
1st February 2025
45AQI
45AQI
2nd February 2025
40AQI
40AQI
3rd February 2025
44AQI
44AQI
4th February 2025
38AQI
38AQI
5th February 2025
50AQI
50AQI
6th February 2025
54AQI
54AQI
7th February 2025
60AQI
60AQI
8th February 2025
44AQI
44AQI
9th February 2025
59AQI
59AQI
10th February 2025
56AQI
56AQI
11th February 2025
46AQI
46AQI
12th February 2025
45AQI
45AQI
13th February 2025
43AQI
43AQI
14th February 2025
36AQI
36AQI
15th February 2025
57AQI
57AQI
16th February 2025
34AQI
34AQI
17th February 2025
56AQI
56AQI
18th February 2025
60AQI
60AQI
19th February 2025
67AQI
67AQI
20th February 2025
60AQI
60AQI
21st February 2025
60AQI
60AQI
22nd February 2025
40AQI
40AQI
23rd February 2025
39AQI
39AQI
24th February 2025
34AQI
34AQI
25th February 2025
39AQI
39AQI
26th February 2025
48AQI
48AQI
27th February 2025
52AQI
52AQI
28th February 2025
51AQI
51AQI
1st March 2025
49AQI
49AQI
2nd March 2025
45AQI
45AQI
3rd March 2025
49AQI
49AQI
4th March 2025
41AQI
41AQI
5th March 2025
42AQI
42AQI
6th March 2025
31AQI
31AQI
7th March 2025
36AQI
36AQI
8th March 2025
30AQI
30AQI
9th March 2025
52AQI
52AQI
10th March 2025
51AQI
51AQI
11th March 2025
56AQI
56AQI
12th March 2025
49AQI
49AQI
13th March 2025
47AQI
47AQI
14th March 2025
40AQI
40AQI
15th March 2025
43AQI
43AQI
16th March 2025
37AQI
37AQI
17th March 2025
45AQI
45AQI
18th March 2025
44AQI
44AQI
19th March 2025
64AQI
64AQI
20th March 2025
63AQI
63AQI
21st March 2025
70AQI
70AQI
22nd March 2025
67AQI
67AQI
23rd March 2025
65AQI
65AQI
24th March 2025
64AQI
64AQI
25th March 2025
63AQI
63AQI
26th March 2025
55AQI
55AQI
27th March 2025
59AQI
59AQI
28th March 2025
56AQI
56AQI
29th March 2025
58AQI
58AQI
30th March 2025
34AQI
34AQI
31st March 2025
32AQI
32AQI
1st April 2025
29AQI
29AQI
2nd April 2025
50AQI
50AQI
3rd April 2025
55AQI
55AQI
4th April 2025
53AQI
53AQI
5th April 2025
61AQI
61AQI
6th April 2025
46AQI
46AQI
7th April 2025
58AQI
58AQI
8th April 2025
55AQI
55AQI
9th April 2025
63AQI
63AQI
10th April 2025
57AQI
57AQI
11th April 2025
57AQI
57AQI
12th April 2025
57AQI
57AQI
13th April 2025
71AQI
71AQI
14th April 2025
112AQI
112AQI
15th April 2025
116AQI
116AQI
16th April 2025
114AQI
114AQI
17th April 2025
103AQI
103AQI
18th April 2025
73AQI
73AQI
19th April 2025
57AQI
57AQI
20th April 2025
57AQI
57AQI
21st April 2025
55AQI
55AQI
22nd April 2025
54AQI
54AQI
23rd April 2025
44AQI
44AQI
24th April 2025
51AQI
51AQI
25th April 2025
50AQI
50AQI
26th April 2025
46AQI
46AQI
27th April 2025
38AQI
38AQI
28th April 2025
49AQI
49AQI
29th April 2025
43AQI
43AQI
30th April 2025
53AQI
53AQI
1st May 2025
52AQI
52AQI
2nd May 2025
55AQI
55AQI
3rd May 2025
58AQI
58AQI
4th May 2025
51AQI
51AQI
5th May 2025
47AQI
47AQI
6th May 2025
53AQI
53AQI
7th May 2025
54AQI
54AQI
8th May 2025
46AQI
46AQI
9th May 2025
52AQI
52AQI
10th May 2025
40AQI
40AQI
11th May 2025
37AQI
37AQI
12th May 2025
52AQI
52AQI
13th May 2025
51AQI
51AQI
14th May 2025
42AQI
42AQI
15th May 2025
32AQI
32AQI
16th May 2025
30AQI
30AQI
17th May 2025
30AQI
30AQI
18th May 2025
32AQI
32AQI
19th May 2025
28AQI
28AQI
20th May 2025
33AQI
33AQI
21st May 2025
34AQI
34AQI
22nd May 2025
28AQI
28AQI
23rd May 2025
24AQI
24AQI
24th May 2025
27AQI
27AQI
25th May 2025
35AQI
35AQI
26th May 2025
42AQI
42AQI
27th May 2025
38AQI
38AQI
28th May 2025
35AQI
35AQI
29th May 2025
32AQI
32AQI
30th May 2025
33AQI
33AQI
31st May 2025
31AQI
31AQI
1st June 2025
35AQI
35AQI
2nd June 2025
40AQI
40AQI
3rd June 2025
40AQI
40AQI
4th June 2025
41AQI
41AQI
5th June 2025
35AQI
35AQI
6th June 2025
33AQI
33AQI
7th June 2025
33AQI
33AQI
8th June 2025
44AQI
44AQI
9th June 2025
47AQI
47AQI
10th June 2025
52AQI
52AQI
11th June 2025
37AQI
37AQI
12th June 2025
35AQI
35AQI
13th June 2025
29AQI
29AQI
14th June 2025
29AQI
29AQI
15th June 2025
33AQI
33AQI
16th June 2025
44AQI
44AQI
17th June 2025
40AQI
40AQI
18th June 2025
37AQI
37AQI
19th June 2025
35AQI
35AQI
20th June 2025
35AQI
35AQI
21st June 2025
32AQI
32AQI
22nd June 2025
34AQI
34AQI
23rd June 2025
28AQI
28AQI
24th June 2025
29AQI
29AQI
25th June 2025
25AQI
25AQI
26th June 2025
25AQI
25AQI
27th June 2025
24AQI
24AQI
28th June 2025
26AQI
26AQI
29th June 2025
25AQI
25AQI
30th June 2025
26AQI
26AQI
1st July 2025
33AQI
33AQI
2nd July 2025
26AQI
26AQI
3rd July 2025
24AQI
24AQI
4th July 2025
25AQI
25AQI
5th July 2025
26AQI
26AQI
6th July 2025
28AQI
28AQI
7th July 2025
26AQI
26AQI
8th July 2025
30AQI
30AQI
9th July 2025
37AQI
37AQI
10th July 2025
37AQI
37AQI
11th July 2025
42AQI
42AQI
12th July 2025
39AQI
39AQI
13th July 2025
43AQI
43AQI
14th July 2025
46AQI
46AQI
15th July 2025
47AQI
47AQI
16th July 2025
46AQI
46AQI
17th July 2025
46AQI
46AQI
18th July 2025
50AQI
50AQI
19th July 2025
38AQI
38AQI
20th July 2025
37AQI
37AQI
21st July 2025
31AQI
31AQI
22nd July 2025
30AQI
30AQI
23rd July 2025
30AQI
30AQI
24th July 2025
28AQI
28AQI
25th July 2025
30AQI
30AQI
26th July 2025
32AQI
32AQI
27th July 2025
34AQI
34AQI
28th July 2025
26AQI
26AQI
29th July 2025
31AQI
31AQI
30th July 2025
37AQI
37AQI
31st July 2025
44AQI
44AQI
1st August 2025
57AQI
57AQI
2nd August 2025
58AQI
58AQI
3rd August 2025
59AQI
59AQI
4th August 2025
56AQI
56AQI
5th August 2025
55AQI
55AQI
6th August 2025
57AQI
57AQI
7th August 2025
54AQI
54AQI
72AQI
48AQI
50AQI
61AQI
40AQI
34AQI
35AQI
57AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202549AQI
1
29
1
16
12
17
14
9
17
4
22
9
29
1
31
7
125
89
5
Highest AQI recorded in
January72AQI
Lowest AQI recorded in
June34AQI
202444AQI
4
17
10
7
8
15
13
5
21
2
28
2
31
31
28
1
17
13
1
14
16
1
30
206
108
1
Highest AQI recorded in
December68AQI
Lowest AQI recorded in
July29AQI
202346AQI
3
7
1
4
8
1
1
1
2
1
5
2
9
2
3
1
2
21
9
51
31
1
Highest AQI recorded in
March63AQI
Lowest AQI recorded in
July19AQI
202241AQI
19
10
15
5
20
11
13
4
29
2
29
1
15
2
1
2
7
12
13
20
3
7
6
182
64
Highest AQI recorded in
September57AQI
Lowest AQI recorded in
August13AQI
202143AQI
4
25
2
10
18
20
11
25
5
30
1
21
9
28
3
27
4
28
2
29
2
12
18
10
20
1
244
118
3
Highest AQI recorded in
January68AQI
Lowest AQI recorded in
September26AQI
202040AQI
7
7
6
12
4
27
1
31
30
1
28
2
13
18
10
17
3
9
22
174
71
3
Highest AQI recorded in
December61AQI
Lowest AQI recorded in
August27AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
49AQILeast Polluted Year Recorded
2020(Avg.)
40AQIHaitang Bay's annual 2025 AQI (49) shows an average percentage change of 13.7% (worsened AQI) compared to previous years: 2020 (40), 2021 (43), 2022 (41), 2023 (46), 2024 (44).
