Land Environment And Resources Bureau, Haikou, 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
Land Environment And Resources Bureau, Haikou, Hainan, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
31st Aug 2022
61AQILowest AQI recorded on
2nd Aug 2021
17AQISame Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 56 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Land Environment And Resources Bureau, Haikou, Hainan, China
AQI
Day
Night
.
6 AM3rd Aug 2025
7 PM
5 AM4th Aug 2025
Day time
Avg. Highest Time
12PM3rd Aug
62AQI
Avg. Lowest Time
4PM3rd Aug
38AQI
Night time
Avg. Highest Time
10PM3rd Aug
58AQI
Avg. Lowest Time
5AM4th Aug
56AQI
In the last 24 hours,
Land Environment And Resources Bureau's AQI reached its highest point of 62 at 12 PM during the Day, while the lowest point, 38, was recorded at 4 PM during the Day between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Land Environment And Resources Bureau, Haikou, Hainan, China
JulAug
05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th
Day
Night
5th Jul 2025316 AMAQI
5th Jul 2025307 AMAQI
5th Jul 2025228 AMAQI
5th Jul 2025309 AMAQI
5th Jul 20253010 AMAQI
5th Jul 20252511 AMAQI
5th Jul 20252412 PMAQI
5th Jul 2025231 PMAQI
5th Jul 2025222 PMAQI
5th Jul 2025293 PMAQI
5th Jul 2025294 PMAQI
5th Jul 2025225 PMAQI
5th Jul 2025296 PMAQI
5th Jul 2025367 PMAQI
5th Jul 2025328 PMAQI
5th Jul 2025359 PMAQI
5th Jul 20253410 PMAQI
5th Jul 20253411 PMAQI
6th Jul 20253412 AMAQI
6th Jul 2025321 AMAQI
6th Jul 2025322 AMAQI
6th Jul 2025323 AMAQI
6th Jul 2025324 AMAQI
6th Jul 2025335 AMAQI
27°C24/33°C
6th Jul 2025326 AMAQI
6th Jul 2025337 AMAQI
6th Jul 2025288 AMAQI
6th Jul 2025309 AMAQI
6th Jul 20252210 AMAQI
6th Jul 20252211 AMAQI
6th Jul 20252512 PMAQI
6th Jul 2025241 PMAQI
6th Jul 2025302 PMAQI
6th Jul 2025363 PMAQI
6th Jul 2025484 PMAQI
6th Jul 2025465 PMAQI
6th Jul 2025306 PMAQI
6th Jul 2025247 PMAQI
6th Jul 2025368 PMAQI
6th Jul 2025369 PMAQI
6th Jul 20253410 PMAQI
6th Jul 20252911 PMAQI
7th Jul 20252912 AMAQI
7th Jul 2025321 AMAQI
7th Jul 2025362 AMAQI
7th Jul 2025353 AMAQI
7th Jul 2025344 AMAQI
7th Jul 2025345 AMAQI
27°C24/33°C
7th Jul 2025346 AMAQI
7th Jul 2025347 AMAQI
7th Jul 2025328 AMAQI
7th Jul 2025249 AMAQI
7th Jul 20253010 AMAQI
7th Jul 20252811 AMAQI
7th Jul 20252612 PMAQI
7th Jul 2025251 PMAQI
7th Jul 2025242 PMAQI
7th Jul 2025243 PMAQI
7th Jul 2025224 PMAQI
7th Jul 2025235 PMAQI
7th Jul 2025246 PMAQI
7th Jul 2025307 PMAQI
7th Jul 2025308 PMAQI
7th Jul 2025359 PMAQI
7th Jul 20253410 PMAQI
7th Jul 20253411 PMAQI
8th Jul 20253412 AMAQI
8th Jul 2025331 AMAQI
8th Jul 2025352 AMAQI
8th Jul 2025343 AMAQI
8th Jul 2025344 AMAQI
8th Jul 2025355 AMAQI
27°C24/31°C
8th Jul 2025346 AMAQI
8th Jul 2025367 AMAQI
8th Jul 2025308 AMAQI
8th Jul 2025309 AMAQI
8th Jul 20253810 AMAQI
8th Jul 20253511 AMAQI
8th Jul 20253412 PMAQI
8th Jul 2025361 PMAQI
8th Jul 2025292 PMAQI
8th Jul 2025303 PMAQI
8th Jul 2025314 PMAQI
8th Jul 2025285 PMAQI
8th Jul 2025306 PMAQI
8th Jul 2025367 PMAQI
8th Jul 2025368 PMAQI
8th Jul 2025379 PMAQI
8th Jul 20253610 PMAQI
8th Jul 20253911 PMAQI
9th Jul 20254312 AMAQI
9th Jul 2025381 AMAQI
9th Jul 2025432 AMAQI
9th Jul 2025413 AMAQI
9th Jul 2025424 AMAQI
9th Jul 2025405 AMAQI
29°C24/34°C
9th Jul 2025366 AMAQI
9th Jul 2025377 AMAQI
9th Jul 2025378 AMAQI
9th Jul 2025409 AMAQI
9th Jul 20254010 AMAQI
9th Jul 20254011 AMAQI
9th Jul 20253812 PMAQI
9th Jul 2025381 PMAQI
9th Jul 2025342 PMAQI
9th Jul 2025363 PMAQI
9th Jul 2025404 PMAQI
9th Jul 2025365 PMAQI
9th Jul 2025406 PMAQI
9th Jul 2025387 PMAQI
9th Jul 2025358 PMAQI
9th Jul 2025389 PMAQI
9th Jul 20253710 PMAQI
9th Jul 20253611 PMAQI
10th Jul 20253712 AMAQI
10th Jul 2025391 AMAQI
10th Jul 2025422 AMAQI
10th Jul 2025423 AMAQI
10th Jul 2025424 AMAQI
10th Jul 2025425 AMAQI
28°C25/33°C
10th Jul 2025426 AMAQI
10th Jul 2025417 AMAQI
10th Jul 2025338 AMAQI
10th Jul 2025349 AMAQI
10th Jul 20253710 AMAQI
10th Jul 20253911 AMAQI
10th Jul 20253812 PMAQI
10th Jul 2025391 PMAQI
10th Jul 2025412 PMAQI
10th Jul 2025403 PMAQI
10th Jul 2025404 PMAQI
10th Jul 2025435 PMAQI
10th Jul 2025376 PMAQI
10th Jul 2025407 PMAQI
10th Jul 2025428 PMAQI
10th Jul 2025429 PMAQI
10th Jul 20254410 PMAQI
10th Jul 20254811 PMAQI
11th Jul 20255212 AMAQI
11th Jul 2025521 AMAQI
11th Jul 2025512 AMAQI
11th Jul 2025513 AMAQI
11th Jul 2025524 AMAQI
11th Jul 2025525 AMAQI
28°C25/33°C
11th Jul 2025516 AMAQI
11th Jul 2025507 AMAQI
11th Jul 2025458 AMAQI
11th Jul 2025369 AMAQI
11th Jul 20253710 AMAQI
11th Jul 20254011 AMAQI
11th Jul 20253912 PMAQI
11th Jul 2025401 PMAQI
11th Jul 2025392 PMAQI
11th Jul 2025493 PMAQI
11th Jul 2025504 PMAQI
11th Jul 2025525 PMAQI
11th Jul 2025546 PMAQI
11th Jul 2025547 PMAQI
11th Jul 2025528 PMAQI
11th Jul 2025489 PMAQI
11th Jul 20254410 PMAQI
11th Jul 20254411 PMAQI
12th Jul 20254212 AMAQI
12th Jul 2025391 AMAQI
12th Jul 2025512 AMAQI
12th Jul 2025523 AMAQI
12th Jul 2025504 AMAQI
12th Jul 2025505 AMAQI
27°C25/30°C
12th Jul 2025506 AMAQI
12th Jul 2025507 AMAQI
12th Jul 2025408 AMAQI
12th Jul 2025349 AMAQI
12th Jul 20253610 AMAQI
12th Jul 20253211 AMAQI
12th Jul 20253612 PMAQI
12th Jul 2025361 PMAQI
12th Jul 2025322 PMAQI
12th Jul 2025303 PMAQI
12th Jul 2025334 PMAQI
12th Jul 2025315 PMAQI
12th Jul 2025336 PMAQI
12th Jul 2025377 PMAQI
12th Jul 2025408 PMAQI
12th Jul 2025409 PMAQI
12th Jul 20254010 PMAQI
12th Jul 20254811 PMAQI
13th Jul 20255212 AMAQI
13th Jul 2025491 AMAQI
13th Jul 2025512 AMAQI
13th Jul 2025503 AMAQI
13th Jul 2025484 AMAQI
13th Jul 2025465 AMAQI
27°C24/31°C
13th Jul 2025486 AMAQI
13th Jul 2025497 AMAQI
13th Jul 2025398 AMAQI
13th Jul 2025309 AMAQI
13th Jul 20253410 AMAQI
13th Jul 20253611 AMAQI
13th Jul 20253512 PMAQI
13th Jul 2025421 PMAQI
13th Jul 2025402 PMAQI
13th Jul 2025403 PMAQI
13th Jul 2025384 PMAQI
13th Jul 2025405 PMAQI
13th Jul 2025386 PMAQI
13th Jul 2025407 PMAQI
13th Jul 2025448 PMAQI
13th Jul 2025439 PMAQI
13th Jul 20254310 PMAQI
13th Jul 20254411 PMAQI
14th Jul 20254412 AMAQI
14th Jul 2025461 AMAQI
14th Jul 2025532 AMAQI
14th Jul 2025533 AMAQI
14th Jul 2025514 AMAQI
14th Jul 2025495 AMAQI
28°C25/33°C
14th Jul 2025496 AMAQI
14th Jul 2025497 AMAQI
14th Jul 2025298 AMAQI
14th Jul 2025259 AMAQI
14th Jul 20253010 AMAQI
14th Jul 20253211 AMAQI
14th Jul 20253612 PMAQI
14th Jul 2025261 PMAQI
14th Jul 2025292 PMAQI
14th Jul 2025423 PMAQI
14th Jul 2025484 PMAQI
14th Jul 2025495 PMAQI
14th Jul 2025466 PMAQI
14th Jul 2025497 PMAQI
14th Jul 2025528 PMAQI
14th Jul 2025489 PMAQI
14th Jul 20254710 PMAQI
14th Jul 20254711 PMAQI
15th Jul 20254612 AMAQI
15th Jul 2025441 AMAQI
15th Jul 2025512 AMAQI
15th Jul 2025543 AMAQI
15th Jul 2025534 AMAQI
15th Jul 2025545 AMAQI
28°C25/33°C
15th Jul 2025546 AMAQI
15th Jul 2025557 AMAQI
15th Jul 2025588 AMAQI
15th Jul 2025649 AMAQI
15th Jul 20256010 AMAQI
15th Jul 20255511 AMAQI
15th Jul 20255112 PMAQI
15th Jul 2025511 PMAQI
15th Jul 2025482 PMAQI
15th Jul 2025463 PMAQI
15th Jul 2025404 PMAQI
15th Jul 2025385 PMAQI
15th Jul 2025386 PMAQI
15th Jul 2025427 PMAQI
15th Jul 2025528 PMAQI
15th Jul 2025529 PMAQI
15th Jul 20255210 PMAQI
15th Jul 20254711 PMAQI
16th Jul 20254612 AMAQI
16th Jul 2025501 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025533 AMAQI
16th Jul 2025534 AMAQI
16th Jul 2025535 AMAQI
29°C25/34°C
16th Jul 2025546 AMAQI
16th Jul 2025547 AMAQI
16th Jul 2025408 AMAQI
16th Jul 2025359 AMAQI
16th Jul 20253710 AMAQI
16th Jul 20254411 AMAQI
16th Jul 20254112 PMAQI
16th Jul 2025431 PMAQI
16th Jul 2025442 PMAQI
16th Jul 2025473 PMAQI
16th Jul 2025454 PMAQI
16th Jul 2025465 PMAQI
16th Jul 2025466 PMAQI
16th Jul 2025517 PMAQI
16th Jul 2025508 PMAQI
16th Jul 2025529 PMAQI
16th Jul 20255110 PMAQI
16th Jul 20255111 PMAQI
17th Jul 20254912 AMAQI
17th Jul 2025521 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025523 AMAQI
17th Jul 2025524 AMAQI
17th Jul 2025525 AMAQI
29°C25/35°C
17th Jul 2025526 AMAQI
17th Jul 2025527 AMAQI
17th Jul 2025578 AMAQI
17th Jul 2025569 AMAQI
17th Jul 20255810 AMAQI
17th Jul 20255211 AMAQI
17th Jul 20254412 PMAQI
17th Jul 2025441 PMAQI
17th Jul 2025362 PMAQI
17th Jul 2025303 PMAQI
17th Jul 2025334 PMAQI
17th Jul 2025315 PMAQI
17th Jul 2025326 PMAQI
17th Jul 2025407 PMAQI
17th Jul 2025448 PMAQI
17th Jul 2025469 PMAQI
17th Jul 20254710 PMAQI
17th Jul 20255311 PMAQI
18th Jul 20255412 AMAQI
18th Jul 2025561 AMAQI
18th Jul 2025522 AMAQI
18th Jul 2025523 AMAQI
18th Jul 2025524 AMAQI
18th Jul 2025525 AMAQI
29°C25/34°C
18th Jul 2025526 AMAQI
18th Jul 2025527 AMAQI
18th Jul 2025488 AMAQI
18th Jul 2025489 AMAQI
18th Jul 20255010 AMAQI
18th Jul 20254611 AMAQI
18th Jul 20254212 PMAQI
18th Jul 2025421 PMAQI
18th Jul 2025412 PMAQI
18th Jul 2025373 PMAQI
18th Jul 2025394 PMAQI
18th Jul 2025365 PMAQI
18th Jul 2025336 PMAQI
18th Jul 2025407 PMAQI
18th Jul 2025458 PMAQI
18th Jul 2025529 PMAQI
18th Jul 20255410 PMAQI
18th Jul 20255411 PMAQI
19th Jul 20256012 AMAQI
19th Jul 2025581 AMAQI
19th Jul 2025522 AMAQI
19th Jul 2025523 AMAQI
19th Jul 2025524 AMAQI
19th Jul 2025525 AMAQI
29°C26/33°C
19th Jul 2025526 AMAQI
19th Jul 2025527 AMAQI
19th Jul 2025368 AMAQI
19th Jul 2025319 AMAQI
19th Jul 20254410 AMAQI
19th Jul 20254211 AMAQI
19th Jul 20254012 PMAQI
19th Jul 2025511 PMAQI
19th Jul 2025342 PMAQI
19th Jul 2025223 PMAQI
19th Jul 2025214 PMAQI
19th Jul 2025225 PMAQI
19th Jul 2025246 PMAQI
19th Jul 2025307 PMAQI
19th Jul 2025398 PMAQI
19th Jul 2025409 PMAQI
19th Jul 20254410 PMAQI
19th Jul 20254211 PMAQI
20th Jul 20253912 AMAQI
20th Jul 2025541 AMAQI
20th Jul 2025542 AMAQI
20th Jul 2025533 AMAQI
20th Jul 2025524 AMAQI
20th Jul 2025525 AMAQI
25°C24/26°C
20th Jul 2025526 AMAQI
20th Jul 2025527 AMAQI
20th Jul 2025358 AMAQI
20th Jul 2025199 AMAQI
20th Jul 20252010 AMAQI
20th Jul 20252211 AMAQI
20th Jul 20252712 PMAQI
20th Jul 2025221 PMAQI
20th Jul 2025332 PMAQI
20th Jul 2025303 PMAQI
20th Jul 2025184 PMAQI
20th Jul 2025195 PMAQI
20th Jul 2025186 PMAQI
20th Jul 2025307 PMAQI
20th Jul 2025378 PMAQI
20th Jul 2025379 PMAQI
20th Jul 20253710 PMAQI
20th Jul 20253811 PMAQI
21st Jul 20254312 AMAQI
21st Jul 2025471 AMAQI
21st Jul 2025522 AMAQI
21st Jul 2025503 AMAQI
21st Jul 2025484 AMAQI
21st Jul 2025485 AMAQI
25°C24/27°C
21st Jul 2025476 AMAQI
21st Jul 2025477 AMAQI
21st Jul 2025248 AMAQI
21st Jul 2025209 AMAQI
21st Jul 20251810 AMAQI
21st Jul 20251911 AMAQI
21st Jul 20252212 PMAQI
21st Jul 2025201 PMAQI
21st Jul 2025182 PMAQI
21st Jul 2025183 PMAQI
21st Jul 2025184 PMAQI
21st Jul 2025185 PMAQI
21st Jul 2025186 PMAQI
21st Jul 2025257 PMAQI
21st Jul 2025358 PMAQI
21st Jul 2025359 PMAQI
21st Jul 20253610 PMAQI
21st Jul 20253611 PMAQI
22nd Jul 20253712 AMAQI
22nd Jul 2025441 AMAQI
22nd Jul 2025502 AMAQI
22nd Jul 2025453 AMAQI
22nd Jul 2025434 AMAQI
22nd Jul 2025425 AMAQI
25°C24/26°C
22nd Jul 2025426 AMAQI
22nd Jul 2025427 AMAQI
22nd Jul 2025248 AMAQI
22nd Jul 2025189 AMAQI
22nd Jul 20252010 AMAQI
22nd Jul 20252011 AMAQI
22nd Jul 20252312 PMAQI
22nd Jul 2025231 PMAQI
22nd Jul 2025222 PMAQI
22nd Jul 2025203 PMAQI
22nd Jul 2025204 PMAQI
22nd Jul 2025195 PMAQI
22nd Jul 2025186 PMAQI
22nd Jul 2025247 PMAQI
22nd Jul 2025328 PMAQI
22nd Jul 2025329 PMAQI
22nd Jul 20253210 PMAQI
22nd Jul 20253211 PMAQI
23rd Jul 20253312 AMAQI
23rd Jul 2025411 AMAQI
23rd Jul 2025442 AMAQI
23rd Jul 2025423 AMAQI
23rd Jul 2025404 AMAQI
23rd Jul 2025405 AMAQI
26°C24/31°C
23rd Jul 2025406 AMAQI
23rd Jul 2025407 AMAQI
23rd Jul 2025268 AMAQI
23rd Jul 2025259 AMAQI
23rd Jul 20252710 AMAQI
23rd Jul 20253011 AMAQI
23rd Jul 20252712 PMAQI
23rd Jul 2025231 PMAQI
23rd Jul 2025182 PMAQI
23rd Jul 2025183 PMAQI
23rd Jul 2025174 PMAQI
23rd Jul 2025185 PMAQI
23rd Jul 2025206 PMAQI
23rd Jul 2025247 PMAQI
23rd Jul 2025308 PMAQI
23rd Jul 2025309 PMAQI
23rd Jul 20253010 PMAQI
23rd Jul 20253511 PMAQI
24th Jul 20253612 AMAQI
24th Jul 2025361 AMAQI
24th Jul 2025362 AMAQI
24th Jul 2025363 AMAQI
24th Jul 2025444 AMAQI
24th Jul 2025485 AMAQI
27°C25/32°C
24th Jul 2025496 AMAQI
24th Jul 2025487 AMAQI
24th Jul 2025398 AMAQI
24th Jul 2025339 AMAQI
24th Jul 20252310 AMAQI
24th Jul 20252011 AMAQI
24th Jul 20252212 PMAQI
24th Jul 2025221 PMAQI
24th Jul 2025222 PMAQI
24th Jul 2025313 PMAQI
24th Jul 2025214 PMAQI
24th Jul 2025215 PMAQI
24th Jul 2025236 PMAQI
24th Jul 2025287 PMAQI
24th Jul 2025328 PMAQI
24th Jul 2025309 PMAQI
24th Jul 20252910 PMAQI
24th Jul 20253011 PMAQI
25th Jul 20252912 AMAQI
25th Jul 2025341 AMAQI
25th Jul 2025422 AMAQI
25th Jul 2025413 AMAQI
25th Jul 2025394 AMAQI
25th Jul 2025395 AMAQI
26°C24/29°C
25th Jul 2025396 AMAQI
25th Jul 2025397 AMAQI
25th Jul 2025268 AMAQI
25th Jul 2025209 AMAQI
25th Jul 20253010 AMAQI
25th Jul 20252611 AMAQI
25th Jul 20252412 PMAQI
25th Jul 2025211 PMAQI
25th Jul 2025222 PMAQI
25th Jul 2025213 PMAQI
25th Jul 2025204 PMAQI
25th Jul 2025285 PMAQI
25th Jul 2025326 PMAQI
25th Jul 2025367 PMAQI
25th Jul 2025408 PMAQI
25th Jul 2025439 PMAQI
25th Jul 20254710 PMAQI
25th Jul 20254211 PMAQI
26th Jul 20254012 AMAQI
26th Jul 2025461 AMAQI
26th Jul 2025482 AMAQI
26th Jul 2025483 AMAQI
26th Jul 2025484 AMAQI
26th Jul 2025465 AMAQI
27°C24/32°C
26th Jul 2025476 AMAQI
26th Jul 2025457 AMAQI
26th Jul 2025248 AMAQI
26th Jul 2025229 AMAQI
26th Jul 20252010 AMAQI
26th Jul 20252011 AMAQI
26th Jul 20252212 PMAQI
26th Jul 2025221 PMAQI
26th Jul 2025242 PMAQI
26th Jul 2025233 PMAQI
26th Jul 2025204 PMAQI
26th Jul 2025215 PMAQI
26th Jul 2025216 PMAQI
26th Jul 2025307 PMAQI
26th Jul 2025348 PMAQI
26th Jul 2025459 PMAQI
26th Jul 20254610 PMAQI
26th Jul 20254311 PMAQI
27th Jul 20253612 AMAQI
27th Jul 2025411 AMAQI
27th Jul 2025472 AMAQI
27th Jul 2025443 AMAQI
27th Jul 2025414 AMAQI
27th Jul 2025415 AMAQI
28°C24/33°C
27th Jul 2025426 AMAQI
27th Jul 2025417 AMAQI
27th Jul 2025348 AMAQI
27th Jul 2025279 AMAQI
27th Jul 20252510 AMAQI
27th Jul 20253111 AMAQI
27th Jul 20252912 PMAQI
27th Jul 2025271 PMAQI
27th Jul 2025312 PMAQI
27th Jul 2025363 PMAQI
27th Jul 2025344 PMAQI
27th Jul 2025325 PMAQI
27th Jul 2025266 PMAQI
27th Jul 2025287 PMAQI
27th Jul 2025338 PMAQI
27th Jul 2025409 PMAQI
27th Jul 20253710 PMAQI
27th Jul 20253511 PMAQI
28th Jul 20253212 AMAQI
28th Jul 2025391 AMAQI
28th Jul 2025432 AMAQI
28th Jul 2025423 AMAQI
28th Jul 2025404 AMAQI
28th Jul 2025405 AMAQI
28°C25/33°C
28th Jul 2025406 AMAQI
28th Jul 2025407 AMAQI
28th Jul 2025288 AMAQI
28th Jul 2025239 AMAQI
28th Jul 20252610 AMAQI
28th Jul 20252911 AMAQI
28th Jul 20252512 PMAQI
28th Jul 2025221 PMAQI
28th Jul 2025202 PMAQI
28th Jul 2025203 PMAQI
28th Jul 2025184 PMAQI
28th Jul 2025195 PMAQI
28th Jul 2025216 PMAQI
28th Jul 2025277 PMAQI
28th Jul 2025348 PMAQI
28th Jul 2025409 PMAQI
28th Jul 20253810 PMAQI
28th Jul 20253711 PMAQI
29th Jul 20253612 AMAQI
29th Jul 2025401 AMAQI
29th Jul 2025422 AMAQI
29th Jul 2025403 AMAQI
29th Jul 2025404 AMAQI
29th Jul 2025385 AMAQI
27°C24/32°C
29th Jul 2025386 AMAQI
29th Jul 2025377 AMAQI
29th Jul 2025258 AMAQI
29th Jul 2025209 AMAQI
29th Jul 20252010 AMAQI
29th Jul 20252311 AMAQI
29th Jul 20252012 PMAQI
29th Jul 2025191 PMAQI
29th Jul 2025182 PMAQI
29th Jul 2025193 PMAQI
29th Jul 2025194 PMAQI
29th Jul 2025215 PMAQI
29th Jul 2025346 PMAQI
29th Jul 2025407 PMAQI
29th Jul 2025388 PMAQI
29th Jul 2025429 PMAQI
29th Jul 20254010 PMAQI
29th Jul 20253711 PMAQI
30th Jul 20253512 AMAQI
30th Jul 2025351 AMAQI
30th Jul 2025352 AMAQI
30th Jul 2025353 AMAQI
30th Jul 2025344 AMAQI
30th Jul 2025415 AMAQI
28°C25/33°C
30th Jul 2025446 AMAQI
30th Jul 2025447 AMAQI
30th Jul 2025348 AMAQI
30th Jul 2025379 AMAQI
30th Jul 20253810 AMAQI
30th Jul 20253411 AMAQI
30th Jul 20253612 PMAQI
30th Jul 2025341 PMAQI
30th Jul 2025342 PMAQI
30th Jul 2025343 PMAQI
30th Jul 2025314 PMAQI
30th Jul 2025305 PMAQI
30th Jul 2025356 PMAQI
30th Jul 2025307 PMAQI
30th Jul 2025278 PMAQI
30th Jul 2025299 PMAQI
30th Jul 20252910 PMAQI
30th Jul 20252711 PMAQI
31st Jul 20254012 AMAQI
31st Jul 2025411 AMAQI
31st Jul 2025452 AMAQI
31st Jul 2025443 AMAQI
31st Jul 2025444 AMAQI
31st Jul 2025445 AMAQI
29°C25/34°C
31st Jul 2025446 AMAQI
31st Jul 2025447 AMAQI
31st Jul 2025448 AMAQI
31st Jul 2025449 AMAQI
31st Jul 20254810 AMAQI
31st Jul 20253211 AMAQI
31st Jul 20252812 PMAQI
31st Jul 2025281 PMAQI
31st Jul 2025402 PMAQI
31st Jul 2025373 PMAQI
31st Jul 2025404 PMAQI
31st Jul 2025385 PMAQI
31st Jul 2025396 PMAQI
31st Jul 2025487 PMAQI
31st Jul 2025588 PMAQI
31st Jul 2025569 PMAQI
31st Jul 20255810 PMAQI
31st Jul 20256011 PMAQI
1st Aug 20255712 AMAQI
1st Aug 2025591 AMAQI
1st Aug 2025582 AMAQI
1st Aug 2025553 AMAQI
1st Aug 2025554 AMAQI
1st Aug 2025555 AMAQI
29°C25/35°C
1st Aug 2025576 AMAQI
1st Aug 2025567 AMAQI
1st Aug 2025558 AMAQI
1st Aug 2025589 AMAQI
1st Aug 20256110 AMAQI
1st Aug 20255611 AMAQI
1st Aug 20255412 PMAQI
1st Aug 2025571 PMAQI
1st Aug 2025532 PMAQI
1st Aug 2025473 PMAQI
1st Aug 2025514 PMAQI
1st Aug 2025465 PMAQI
1st Aug 2025506 PMAQI
1st Aug 2025517 PMAQI
1st Aug 2025558 PMAQI
1st Aug 2025589 PMAQI
1st Aug 20255610 PMAQI
1st Aug 20255611 PMAQI
2nd Aug 20255612 AMAQI
2nd Aug 2025561 AMAQI
2nd Aug 2025562 AMAQI
2nd Aug 2025563 AMAQI
2nd Aug 2025554 AMAQI
2nd Aug 2025565 AMAQI
28°C25/33°C
2nd Aug 2025566 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025548 AMAQI
2nd Aug 2025529 AMAQI
2nd Aug 20255410 AMAQI
2nd Aug 20255411 AMAQI
2nd Aug 20255212 PMAQI
2nd Aug 2025501 PMAQI
2nd Aug 2025522 PMAQI
2nd Aug 2025503 PMAQI
2nd Aug 2025434 PMAQI
2nd Aug 2025445 PMAQI
2nd Aug 2025526 PMAQI
2nd Aug 2025487 PMAQI
2nd Aug 2025518 PMAQI
2nd Aug 2025559 PMAQI
2nd Aug 20255610 PMAQI
2nd Aug 20255511 PMAQI
3rd Aug 20255612 AMAQI
3rd Aug 2025581 AMAQI
3rd Aug 2025572 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025564 AMAQI
3rd Aug 2025575 AMAQI
28°C25/34°C
3rd Aug 2025566 AMAQI
3rd Aug 2025577 AMAQI
3rd Aug 2025568 AMAQI
3rd Aug 2025579 AMAQI
3rd Aug 20256110 AMAQI
3rd Aug 20256111 AMAQI
3rd Aug 20256212 PMAQI
3rd Aug 2025561 PMAQI
3rd Aug 2025462 PMAQI
3rd Aug 2025493 PMAQI
3rd Aug 2025384 PMAQI
3rd Aug 2025445 PMAQI
3rd Aug 2025486 PMAQI
3rd Aug 2025517 PMAQI
3rd Aug 2025568 PMAQI
3rd Aug 2025569 PMAQI
3rd Aug 20255810 PMAQI
3rd Aug 20255811 PMAQI
4th Aug 20255612 AMAQI
4th Aug 2025561 AMAQI
4th Aug 2025562 AMAQI
4th Aug 2025573 AMAQI
4th Aug 2025564 AMAQI
4th Aug 2025565 AMAQI
29°C26/35°C
4th Aug 2025576 AMAQI
6 AM4th Aug 2025567 AMAQI
4th Aug 2025558 AMAQI
4th Aug 2025489 AMAQI
4th Aug 20255710 AMAQI
4th Aug 20255911 AMAQI
4th Aug 20255812 PMAQI
12 PM4th Aug 2025541 PMAQI
4th Aug 2025572 PMAQI
7 PM
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 7 AM
46AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
9 AM - 6 PM
34AQI
10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 7 AM (Avg. 46), while the lowest AQI was between 9 AM to 6 PM (Avg. 34).
Night time
Avg. Highest Time
2 AM - 5 AM
46AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
8 PM - 11 PM
42AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 5 AM (Avg. 46), while the lowest AQI was between 8 PM to 11 PM (Avg. 42).
2025 Days Vs Air Quality
Land Environment And Resources Bureau, Haikou, Hainan, China
2025
43%
92
53%
113
5%
10
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Good
92 DaysModerate
113 DaysPoor
10 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 43%
Health Risk Level:
Significant
In 2025, 43% of 216 days were within WHO’s safe air quality limits, and 57% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Land Environment And Resources Bureau, Haikou, 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
120AQI
120AQI
2nd January 2025
107AQI
107AQI
3rd January 2025
110AQI
110AQI
4th January 2025
93AQI
93AQI
5th January 2025
108AQI
108AQI
6th January 2025
113AQI
113AQI
7th January 2025
90AQI
90AQI
8th January 2025
89AQI
89AQI
9th January 2025
115AQI
115AQI
10th January 2025
115AQI
115AQI
11th January 2025
99AQI
99AQI
12th January 2025
86AQI
86AQI
13th January 2025
80AQI
80AQI
14th January 2025
76AQI
76AQI
15th January 2025
85AQI
85AQI
16th January 2025
96AQI
96AQI
17th January 2025
95AQI
95AQI
18th January 2025
87AQI
87AQI
19th January 2025
99AQI
99AQI
20th January 2025
98AQI
98AQI
21st January 2025
84AQI
84AQI
22nd January 2025
92AQI
92AQI
23rd January 2025
82AQI
82AQI
24th January 2025
62AQI
62AQI
25th January 2025
61AQI
61AQI
26th January 2025
57AQI
57AQI
27th January 2025
61AQI
61AQI
28th January 2025
63AQI
63AQI
29th January 2025
72AQI
72AQI
30th January 2025
66AQI
66AQI
31st January 2025
63AQI
63AQI
1st February 2025
50AQI
50AQI
2nd February 2025
49AQI
49AQI
3rd February 2025
64AQI
64AQI
4th February 2025
49AQI
49AQI
5th February 2025
59AQI
59AQI
6th February 2025
60AQI
60AQI
7th February 2025
74AQI
74AQI
8th February 2025
59AQI
59AQI
9th February 2025
68AQI
68AQI
10th February 2025
59AQI
59AQI
11th February 2025
56AQI
56AQI
12th February 2025
45AQI
45AQI
13th February 2025
67AQI
67AQI
14th February 2025
49AQI
49AQI
15th February 2025
68AQI
68AQI
16th February 2025
43AQI
43AQI
17th February 2025
62AQI
62AQI
18th February 2025
72AQI
72AQI
19th February 2025
71AQI
71AQI
20th February 2025
64AQI
64AQI
21st February 2025
61AQI
61AQI
22nd February 2025
46AQI
46AQI
23rd February 2025
54AQI
54AQI
24th February 2025
50AQI
50AQI
25th February 2025
51AQI
51AQI
26th February 2025
65AQI
65AQI
27th February 2025
62AQI
62AQI
28th February 2025
55AQI
55AQI
1st March 2025
52AQI
52AQI
2nd March 2025
56AQI
56AQI
3rd March 2025
64AQI
64AQI
4th March 2025
61AQI
61AQI
5th March 2025
54AQI
54AQI
6th March 2025
35AQI
35AQI
7th March 2025
44AQI
44AQI
8th March 2025
40AQI
40AQI
9th March 2025
61AQI
61AQI
10th March 2025
60AQI
60AQI
11th March 2025
54AQI
54AQI
12th March 2025
44AQI
44AQI
13th March 2025
42AQI
42AQI
14th March 2025
37AQI
37AQI
15th March 2025
61AQI
61AQI
16th March 2025
55AQI
55AQI
17th March 2025
66AQI
66AQI
18th March 2025
71AQI
71AQI
19th March 2025
85AQI
85AQI
20th March 2025
78AQI
78AQI
21st March 2025
84AQI
84AQI
22nd March 2025
78AQI
78AQI
23rd March 2025
76AQI
76AQI
24th March 2025
74AQI
74AQI
25th March 2025
83AQI
83AQI
26th March 2025
79AQI
79AQI
27th March 2025
81AQI
81AQI
28th March 2025
72AQI
72AQI
29th March 2025
56AQI
56AQI
30th March 2025
39AQI
39AQI
31st March 2025
38AQI
38AQI
1st April 2025
45AQI
45AQI
2nd April 2025
65AQI
65AQI
3rd April 2025
59AQI
59AQI
4th April 2025
59AQI
59AQI
5th April 2025
60AQI
60AQI
6th April 2025
47AQI
47AQI
7th April 2025
64AQI
64AQI
8th April 2025
55AQI
55AQI
9th April 2025
66AQI
66AQI
10th April 2025
70AQI
70AQI
11th April 2025
69AQI
69AQI
12th April 2025
67AQI
67AQI
13th April 2025
137AQI
137AQI
14th April 2025
131AQI
131AQI
15th April 2025
126AQI
126AQI
16th April 2025
99AQI
99AQI
17th April 2025
95AQI
95AQI
18th April 2025
75AQI
75AQI
19th April 2025
61AQI
61AQI
20th April 2025
65AQI
65AQI
21st April 2025
61AQI
61AQI
22nd April 2025
66AQI
66AQI
23rd April 2025
58AQI
58AQI
24th April 2025
64AQI
64AQI
25th April 2025
61AQI
61AQI
26th April 2025
56AQI
56AQI
27th April 2025
54AQI
54AQI
28th April 2025
57AQI
57AQI
29th April 2025
56AQI
56AQI
30th April 2025
52AQI
52AQI
1st May 2025
53AQI
53AQI
2nd May 2025
58AQI
58AQI
3rd May 2025
59AQI
59AQI
4th May 2025
61AQI
61AQI
5th May 2025
54AQI
54AQI
6th May 2025
60AQI
60AQI
7th May 2025
61AQI
61AQI
8th May 2025
56AQI
56AQI
9th May 2025
56AQI
56AQI
10th May 2025
51AQI
51AQI
11th May 2025
57AQI
57AQI
12th May 2025
61AQI
61AQI
13th May 2025
56AQI
56AQI
14th May 2025
50AQI
50AQI
15th May 2025
37AQI
37AQI
16th May 2025
34AQI
34AQI
17th May 2025
38AQI
38AQI
18th May 2025
38AQI
38AQI
19th May 2025
39AQI
39AQI
20th May 2025
41AQI
41AQI
21st May 2025
41AQI
41AQI
22nd May 2025
37AQI
37AQI
23rd May 2025
35AQI
35AQI
24th May 2025
35AQI
35AQI
25th May 2025
43AQI
43AQI
26th May 2025
65AQI
65AQI
27th May 2025
53AQI
53AQI
28th May 2025
45AQI
45AQI
29th May 2025
48AQI
48AQI
30th May 2025
49AQI
49AQI
31st May 2025
39AQI
39AQI
1st June 2025
39AQI
39AQI
2nd June 2025
40AQI
40AQI
3rd June 2025
49AQI
49AQI
4th June 2025
54AQI
54AQI
5th June 2025
45AQI
45AQI
6th June 2025
41AQI
41AQI
7th June 2025
44AQI
44AQI
8th June 2025
49AQI
49AQI
9th June 2025
53AQI
53AQI
10th June 2025
51AQI
51AQI
11th June 2025
41AQI
41AQI
12th June 2025
33AQI
33AQI
13th June 2025
34AQI
34AQI
14th June 2025
34AQI
34AQI
15th June 2025
34AQI
34AQI
16th June 2025
37AQI
37AQI
17th June 2025
39AQI
39AQI
18th June 2025
36AQI
36AQI
19th June 2025
35AQI
35AQI
20th June 2025
33AQI
33AQI
21st June 2025
34AQI
34AQI
22nd June 2025
37AQI
37AQI
23rd June 2025
31AQI
31AQI
24th June 2025
29AQI
29AQI
25th June 2025
29AQI
29AQI
26th June 2025
26AQI
26AQI
27th June 2025
26AQI
26AQI
28th June 2025
25AQI
25AQI
29th June 2025
25AQI
25AQI
30th June 2025
26AQI
26AQI
1st July 2025
26AQI
26AQI
2nd July 2025
27AQI
27AQI
3rd July 2025
26AQI
26AQI
4th July 2025
27AQI
27AQI
5th July 2025
30AQI
30AQI
6th July 2025
32AQI
32AQI
7th July 2025
30AQI
30AQI
8th July 2025
34AQI
34AQI
9th July 2025
38AQI
38AQI
10th July 2025
41AQI
41AQI
11th July 2025
48AQI
48AQI
12th July 2025
41AQI
41AQI
13th July 2025
43AQI
43AQI
14th July 2025
44AQI
44AQI
15th July 2025
50AQI
50AQI
16th July 2025
48AQI
48AQI
17th July 2025
46AQI
46AQI
18th July 2025
47AQI
47AQI
19th July 2025
42AQI
42AQI
20th July 2025
37AQI
37AQI
21st July 2025
33AQI
33AQI
22nd July 2025
31AQI
31AQI
23rd July 2025
31AQI
31AQI
24th July 2025
32AQI
32AQI
25th July 2025
34AQI
34AQI
26th July 2025
35AQI
35AQI
27th July 2025
35AQI
35AQI
28th July 2025
32AQI
32AQI
29th July 2025
32AQI
32AQI
30th July 2025
34AQI
34AQI
31st July 2025
44AQI
44AQI
1st August 2025
55AQI
55AQI
2nd August 2025
53AQI
53AQI
3rd August 2025
56AQI
56AQI
88AQI
58AQI
61AQI
70AQI
49AQI
37AQI
36AQI
55AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202557AQI
24
7
8
20
8
23
2
25
3
16
15
27
3
31
3
92
113
10
Highest AQI recorded in
January88AQI
Lowest AQI recorded in
July36AQI
202452AQI
6
15
12
3
2
8
14
5
13
17
6
28
2
31
31
21
8
12
13
5
1
4
26
26
5
175
126
12
1
Highest AQI recorded in
December85AQI
Lowest AQI recorded in
July30AQI
202360AQI
1
9
1
4
9
2
1
1
1
5
2
9
1
4
3
29
1
23
59
1
Highest AQI recorded in
November78AQI
Lowest AQI recorded in
July24AQI
202247AQI
10
18
1
14
7
17
14
14
16
26
5
29
1
18
1
2
6
1
9
15
1
19
4
2
10
1
160
97
3
1
Highest AQI recorded in
September68AQI
Lowest AQI recorded in
July27AQI
202151AQI
1
23
7
7
21
6
22
3
18
12
27
4
20
10
31
30
1
26
4
22
9
8
20
2
2
27
2
198
153
14
Highest AQI recorded in
January84AQI
Lowest AQI recorded in
July31AQI
202054AQI
4
5
1
2
9
6
10
25
3
30
1
26
5
22
8
9
21
1
7
18
5
2
18
11
133
98
18
Highest AQI recorded in
December86AQI
Lowest AQI recorded in
July36AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
60AQILeast Polluted Year Recorded
2022(Avg.)
47AQILand Environment And Resources Bureau's annual 2025 AQI (57) shows an average percentage change of 8.7% (worsened AQI) compared to previous years: 2020 (54), 2021 (51), 2022 (47), 2023 (60), 2024 (52).
