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
Haikou, Hainan, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
31st Aug 2023
65AQILowest AQI recorded on
29th Aug 2021
19AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 53 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
Haikou, Hainan, China
AQI
Day
Night
.
6 AM3rd Aug 2025
7 PM
5 AM4th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
11AM3rd Aug
64AQI
Avg. Lowest Time
6PM3rd Aug
48AQI
In the last 24 hours,
Haikou's AQI reached its highest point of 64 at 11 AM during the Night, while the lowest point, 48, was recorded at 6 PM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
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 2025326 AMAQI
5th Jul 2025327 AMAQI
5th Jul 2025338 AMAQI
5th Jul 2025379 AMAQI
5th Jul 20253510 AMAQI
5th Jul 20252811 AMAQI
5th Jul 20252712 PMAQI
5th Jul 2025271 PMAQI
5th Jul 2025302 PMAQI
5th Jul 2025323 PMAQI
5th Jul 2025334 PMAQI
5th Jul 2025335 PMAQI
5th Jul 2025376 PMAQI
5th Jul 2025367 PMAQI
5th Jul 2025368 PMAQI
5th Jul 2025399 PMAQI
5th Jul 20253910 PMAQI
5th Jul 20253911 PMAQI
6th Jul 20253712 AMAQI
6th Jul 2025351 AMAQI
6th Jul 2025332 AMAQI
6th Jul 2025343 AMAQI
6th Jul 2025344 AMAQI
6th Jul 2025355 AMAQI
27°C24/33°C
6th Jul 2025356 AMAQI
6th Jul 2025357 AMAQI
6th Jul 2025358 AMAQI
6th Jul 2025359 AMAQI
6th Jul 20253310 AMAQI
6th Jul 20253211 AMAQI
6th Jul 20253512 PMAQI
6th Jul 2025341 PMAQI
6th Jul 2025322 PMAQI
6th Jul 2025333 PMAQI
6th Jul 2025354 PMAQI
6th Jul 2025355 PMAQI
6th Jul 2025366 PMAQI
6th Jul 2025337 PMAQI
6th Jul 2025378 PMAQI
6th Jul 2025419 PMAQI
6th Jul 20254310 PMAQI
6th Jul 20254211 PMAQI
7th Jul 20254012 AMAQI
7th Jul 2025361 AMAQI
7th Jul 2025372 AMAQI
7th Jul 2025373 AMAQI
7th Jul 2025364 AMAQI
7th Jul 2025365 AMAQI
27°C24/33°C
7th Jul 2025366 AMAQI
7th Jul 2025377 AMAQI
7th Jul 2025358 AMAQI
7th Jul 2025349 AMAQI
7th Jul 20253310 AMAQI
7th Jul 20253011 AMAQI
7th Jul 20252812 PMAQI
7th Jul 2025271 PMAQI
7th Jul 2025302 PMAQI
7th Jul 2025283 PMAQI
7th Jul 2025274 PMAQI
7th Jul 2025295 PMAQI
7th Jul 2025296 PMAQI
7th Jul 2025347 PMAQI
7th Jul 2025348 PMAQI
7th Jul 2025389 PMAQI
7th Jul 20253710 PMAQI
7th Jul 20253811 PMAQI
8th Jul 20253712 AMAQI
8th Jul 2025371 AMAQI
8th Jul 2025372 AMAQI
8th Jul 2025373 AMAQI
8th Jul 2025374 AMAQI
8th Jul 2025375 AMAQI
27°C24/31°C
8th Jul 2025376 AMAQI
8th Jul 2025377 AMAQI
8th Jul 2025438 AMAQI
8th Jul 2025479 AMAQI
8th Jul 20255010 AMAQI
8th Jul 20254911 AMAQI
8th Jul 20254712 PMAQI
8th Jul 2025431 PMAQI
8th Jul 2025432 PMAQI
8th Jul 2025413 PMAQI
8th Jul 2025394 PMAQI
8th Jul 2025395 PMAQI
8th Jul 2025406 PMAQI
8th Jul 2025447 PMAQI
8th Jul 2025428 PMAQI
8th Jul 2025419 PMAQI
8th Jul 20254010 PMAQI
8th Jul 20254011 PMAQI
9th Jul 20254312 AMAQI
9th Jul 2025391 AMAQI
9th Jul 2025422 AMAQI
9th Jul 2025413 AMAQI
9th Jul 2025424 AMAQI
9th Jul 2025425 AMAQI
29°C24/34°C
9th Jul 2025406 AMAQI
9th Jul 2025407 AMAQI
9th Jul 2025448 AMAQI
9th Jul 2025519 AMAQI
9th Jul 20255010 AMAQI
9th Jul 20255011 AMAQI
9th Jul 20254412 PMAQI
9th Jul 2025441 PMAQI
9th Jul 2025442 PMAQI
9th Jul 2025443 PMAQI
9th Jul 2025454 PMAQI
9th Jul 2025435 PMAQI
9th Jul 2025456 PMAQI
9th Jul 2025417 PMAQI
9th Jul 2025448 PMAQI
9th Jul 2025459 PMAQI
9th Jul 20254410 PMAQI
9th Jul 20254211 PMAQI
10th Jul 20254212 AMAQI
10th Jul 2025431 AMAQI
10th Jul 2025442 AMAQI
10th Jul 2025453 AMAQI
10th Jul 2025454 AMAQI
10th Jul 2025455 AMAQI
28°C25/33°C
10th Jul 2025446 AMAQI
10th Jul 2025447 AMAQI
10th Jul 2025448 AMAQI
10th Jul 2025469 AMAQI
10th Jul 20254910 AMAQI
10th Jul 20255211 AMAQI
10th Jul 20255112 PMAQI
10th Jul 2025531 PMAQI
10th Jul 2025522 PMAQI
10th Jul 2025503 PMAQI
10th Jul 2025474 PMAQI
10th Jul 2025455 PMAQI
10th Jul 2025416 PMAQI
10th Jul 2025417 PMAQI
10th Jul 2025458 PMAQI
10th Jul 2025479 PMAQI
10th Jul 20254810 PMAQI
10th Jul 20255011 PMAQI
11th Jul 20255012 AMAQI
11th Jul 2025501 AMAQI
11th Jul 2025492 AMAQI
11th Jul 2025493 AMAQI
11th Jul 2025504 AMAQI
11th Jul 2025505 AMAQI
28°C25/33°C
11th Jul 2025506 AMAQI
11th Jul 2025507 AMAQI
11th Jul 2025448 AMAQI
11th Jul 2025429 AMAQI
11th Jul 20254510 AMAQI
11th Jul 20254711 AMAQI
11th Jul 20254612 PMAQI
11th Jul 2025451 PMAQI
11th Jul 2025442 PMAQI
11th Jul 2025473 PMAQI
11th Jul 2025464 PMAQI
11th Jul 2025515 PMAQI
11th Jul 2025526 PMAQI
11th Jul 2025517 PMAQI
11th Jul 2025518 PMAQI
11th Jul 2025499 PMAQI
11th Jul 20254810 PMAQI
11th Jul 20254911 PMAQI
12th Jul 20254912 AMAQI
12th Jul 2025471 AMAQI
12th Jul 2025512 AMAQI
12th Jul 2025513 AMAQI
12th Jul 2025504 AMAQI
12th Jul 2025505 AMAQI
27°C25/30°C
12th Jul 2025506 AMAQI
12th Jul 2025507 AMAQI
12th Jul 2025518 AMAQI
12th Jul 2025509 AMAQI
12th Jul 20254410 AMAQI
12th Jul 20253811 AMAQI
12th Jul 20254112 PMAQI
12th Jul 2025411 PMAQI
12th Jul 2025392 PMAQI
12th Jul 2025393 PMAQI
12th Jul 2025394 PMAQI
12th Jul 2025395 PMAQI
12th Jul 2025406 PMAQI
12th Jul 2025427 PMAQI
12th Jul 2025478 PMAQI
12th Jul 2025489 PMAQI
12th Jul 20254910 PMAQI
12th Jul 20255111 PMAQI
13th Jul 20255312 AMAQI
13th Jul 2025511 AMAQI
13th Jul 2025522 AMAQI
13th Jul 2025513 AMAQI
13th Jul 2025514 AMAQI
13th Jul 2025515 AMAQI
27°C24/31°C
13th Jul 2025506 AMAQI
13th Jul 2025517 AMAQI
13th Jul 2025518 AMAQI
13th Jul 2025539 AMAQI
13th Jul 20255210 AMAQI
13th Jul 20255211 AMAQI
13th Jul 20254812 PMAQI
13th Jul 2025461 PMAQI
13th Jul 2025432 PMAQI
13th Jul 2025433 PMAQI
13th Jul 2025434 PMAQI
13th Jul 2025445 PMAQI
13th Jul 2025426 PMAQI
13th Jul 2025437 PMAQI
13th Jul 2025488 PMAQI
13th Jul 2025489 PMAQI
13th Jul 20254910 PMAQI
13th Jul 20255011 PMAQI
14th Jul 20255012 AMAQI
14th Jul 2025511 AMAQI
14th Jul 2025532 AMAQI
14th Jul 2025533 AMAQI
14th Jul 2025524 AMAQI
14th Jul 2025525 AMAQI
28°C25/33°C
14th Jul 2025526 AMAQI
14th Jul 2025527 AMAQI
14th Jul 2025508 AMAQI
14th Jul 2025499 AMAQI
14th Jul 20255010 AMAQI
14th Jul 20254811 AMAQI
14th Jul 20255012 PMAQI
14th Jul 2025471 PMAQI
14th Jul 2025482 PMAQI
14th Jul 2025483 PMAQI
14th Jul 2025484 PMAQI
14th Jul 2025485 PMAQI
14th Jul 2025466 PMAQI
14th Jul 2025477 PMAQI
14th Jul 2025528 PMAQI
14th Jul 2025529 PMAQI
14th Jul 20255210 PMAQI
14th Jul 20255311 PMAQI
15th Jul 20255212 AMAQI
15th Jul 2025511 AMAQI
15th Jul 2025532 AMAQI
15th Jul 2025543 AMAQI
15th Jul 2025544 AMAQI
15th Jul 2025545 AMAQI
28°C25/33°C
15th Jul 2025546 AMAQI
15th Jul 2025557 AMAQI
15th Jul 2025588 AMAQI
15th Jul 2025639 AMAQI
15th Jul 20256010 AMAQI
15th Jul 20255911 AMAQI
15th Jul 20255312 PMAQI
15th Jul 2025521 PMAQI
15th Jul 2025472 PMAQI
15th Jul 2025473 PMAQI
15th Jul 2025464 PMAQI
15th Jul 2025465 PMAQI
15th Jul 2025466 PMAQI
15th Jul 2025497 PMAQI
15th Jul 2025538 PMAQI
15th Jul 2025549 PMAQI
15th Jul 20255510 PMAQI
15th Jul 20255411 PMAQI
16th Jul 20255312 AMAQI
16th Jul 2025531 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025543 AMAQI
16th Jul 2025544 AMAQI
16th Jul 2025545 AMAQI
29°C25/34°C
16th Jul 2025546 AMAQI
16th Jul 2025547 AMAQI
16th Jul 2025518 AMAQI
16th Jul 2025519 AMAQI
16th Jul 20255110 AMAQI
16th Jul 20255211 AMAQI
16th Jul 20255112 PMAQI
16th Jul 2025521 PMAQI
16th Jul 2025502 PMAQI
16th Jul 2025483 PMAQI
16th Jul 2025484 PMAQI
16th Jul 2025485 PMAQI
16th Jul 2025496 PMAQI
16th Jul 2025527 PMAQI
16th Jul 2025528 PMAQI
16th Jul 2025559 PMAQI
16th Jul 20255510 PMAQI
16th Jul 20255511 PMAQI
17th Jul 20255412 AMAQI
17th Jul 2025531 AMAQI
17th Jul 2025542 AMAQI
17th Jul 2025543 AMAQI
17th Jul 2025544 AMAQI
17th Jul 2025545 AMAQI
29°C25/35°C
17th Jul 2025546 AMAQI
17th Jul 2025547 AMAQI
17th Jul 2025568 AMAQI
17th Jul 2025589 AMAQI
17th Jul 20255810 AMAQI
17th Jul 20255411 AMAQI
17th Jul 20254612 PMAQI
17th Jul 2025461 PMAQI
17th Jul 2025432 PMAQI
17th Jul 2025413 PMAQI
17th Jul 2025404 PMAQI
17th Jul 2025395 PMAQI
17th Jul 2025386 PMAQI
17th Jul 2025437 PMAQI
17th Jul 2025498 PMAQI
17th Jul 2025509 PMAQI
17th Jul 20255010 PMAQI
17th Jul 20255411 PMAQI
18th Jul 20255512 AMAQI
18th Jul 2025541 AMAQI
18th Jul 2025542 AMAQI
18th Jul 2025543 AMAQI
18th Jul 2025544 AMAQI
18th Jul 2025545 AMAQI
29°C25/34°C
18th Jul 2025546 AMAQI
18th Jul 2025547 AMAQI
18th Jul 2025568 AMAQI
18th Jul 2025579 AMAQI
18th Jul 20255710 AMAQI
18th Jul 20255211 AMAQI
18th Jul 20254912 PMAQI
18th Jul 2025481 PMAQI
18th Jul 2025412 PMAQI
18th Jul 2025383 PMAQI
18th Jul 2025404 PMAQI
18th Jul 2025385 PMAQI
18th Jul 2025376 PMAQI
18th Jul 2025417 PMAQI
18th Jul 2025508 PMAQI
18th Jul 2025529 PMAQI
18th Jul 20255210 PMAQI
18th Jul 20255311 PMAQI
19th Jul 20255512 AMAQI
19th Jul 2025551 AMAQI
19th Jul 2025542 AMAQI
19th Jul 2025543 AMAQI
19th Jul 2025544 AMAQI
19th Jul 2025545 AMAQI
29°C26/33°C
19th Jul 2025546 AMAQI
19th Jul 2025547 AMAQI
19th Jul 2025428 AMAQI
19th Jul 2025399 AMAQI
19th Jul 20254210 AMAQI
19th Jul 20254411 AMAQI
19th Jul 20254512 PMAQI
19th Jul 2025431 PMAQI
19th Jul 2025342 PMAQI
19th Jul 2025283 PMAQI
19th Jul 2025314 PMAQI
19th Jul 2025325 PMAQI
19th Jul 2025336 PMAQI
19th Jul 2025367 PMAQI
19th Jul 2025458 PMAQI
19th Jul 2025469 PMAQI
19th Jul 20254710 PMAQI
19th Jul 20254811 PMAQI
20th Jul 20254712 AMAQI
20th Jul 2025531 AMAQI
20th Jul 2025542 AMAQI
20th Jul 2025533 AMAQI
20th Jul 2025534 AMAQI
20th Jul 2025535 AMAQI
25°C24/26°C
20th Jul 2025536 AMAQI
20th Jul 2025537 AMAQI
20th Jul 2025398 AMAQI
20th Jul 2025259 AMAQI
20th Jul 20252410 AMAQI
20th Jul 20252511 AMAQI
20th Jul 20252712 PMAQI
20th Jul 2025261 PMAQI
20th Jul 2025292 PMAQI
20th Jul 2025273 PMAQI
20th Jul 2025224 PMAQI
20th Jul 2025245 PMAQI
20th Jul 2025266 PMAQI
20th Jul 2025337 PMAQI
20th Jul 2025438 PMAQI
20th Jul 2025439 PMAQI
20th Jul 20254310 PMAQI
20th Jul 20254311 PMAQI
21st Jul 20254712 AMAQI
21st Jul 2025511 AMAQI
21st Jul 2025532 AMAQI
21st Jul 2025523 AMAQI
21st Jul 2025504 AMAQI
21st Jul 2025505 AMAQI
25°C24/27°C
21st Jul 2025496 AMAQI
21st Jul 2025497 AMAQI
21st Jul 2025288 AMAQI
21st Jul 2025229 AMAQI
21st Jul 20252010 AMAQI
21st Jul 20252011 AMAQI
21st Jul 20252412 PMAQI
21st Jul 2025251 PMAQI
21st Jul 2025242 PMAQI
21st Jul 2025223 PMAQI
21st Jul 2025214 PMAQI
21st Jul 2025215 PMAQI
21st Jul 2025216 PMAQI
21st Jul 2025297 PMAQI
21st Jul 2025418 PMAQI
21st Jul 2025419 PMAQI
21st Jul 20254310 PMAQI
21st Jul 20254211 PMAQI
22nd Jul 20254312 AMAQI
22nd Jul 2025491 AMAQI
22nd Jul 2025512 AMAQI
22nd Jul 2025493 AMAQI
22nd Jul 2025474 AMAQI
22nd Jul 2025465 AMAQI
25°C24/26°C
22nd Jul 2025466 AMAQI
22nd Jul 2025467 AMAQI
22nd Jul 2025288 AMAQI
22nd Jul 2025249 AMAQI
22nd Jul 20252610 AMAQI
22nd Jul 20252711 AMAQI
22nd Jul 20253012 PMAQI
22nd Jul 2025301 PMAQI
22nd Jul 2025282 PMAQI
22nd Jul 2025263 PMAQI
22nd Jul 2025254 PMAQI
22nd Jul 2025255 PMAQI
22nd Jul 2025246 PMAQI
22nd Jul 2025307 PMAQI
22nd Jul 2025398 PMAQI
22nd Jul 2025429 PMAQI
22nd Jul 20254310 PMAQI
22nd Jul 20254411 PMAQI
23rd Jul 20254412 AMAQI
23rd Jul 2025461 AMAQI
23rd Jul 2025482 AMAQI
23rd Jul 2025453 AMAQI
23rd Jul 2025444 AMAQI
23rd Jul 2025445 AMAQI
26°C24/31°C
23rd Jul 2025446 AMAQI
23rd Jul 2025447 AMAQI
23rd Jul 2025358 AMAQI
23rd Jul 2025349 AMAQI
23rd Jul 20253710 AMAQI
23rd Jul 20253711 AMAQI
23rd Jul 20253212 PMAQI
23rd Jul 2025311 PMAQI
23rd Jul 2025292 PMAQI
23rd Jul 2025293 PMAQI
23rd Jul 2025304 PMAQI
23rd Jul 2025295 PMAQI
23rd Jul 2025296 PMAQI
23rd Jul 2025357 PMAQI
23rd Jul 2025418 PMAQI
23rd Jul 2025409 PMAQI
23rd Jul 20254110 PMAQI
23rd Jul 20254111 PMAQI
24th Jul 20254012 AMAQI
24th Jul 2025411 AMAQI
24th Jul 2025412 AMAQI
24th Jul 2025413 AMAQI
24th Jul 2025464 AMAQI
24th Jul 2025485 AMAQI
27°C25/32°C
24th Jul 2025486 AMAQI
24th Jul 2025487 AMAQI
24th Jul 2025358 AMAQI
24th Jul 2025329 AMAQI
24th Jul 20253110 AMAQI
24th Jul 20253111 AMAQI
24th Jul 20253212 PMAQI
24th Jul 2025321 PMAQI
24th Jul 2025312 PMAQI
24th Jul 2025283 PMAQI
24th Jul 2025254 PMAQI
24th Jul 2025235 PMAQI
24th Jul 2025266 PMAQI
24th Jul 2025327 PMAQI
24th Jul 2025388 PMAQI
24th Jul 2025379 PMAQI
24th Jul 20253610 PMAQI
24th Jul 20253711 PMAQI
25th Jul 20254012 AMAQI
25th Jul 2025421 AMAQI
25th Jul 2025442 AMAQI
25th Jul 2025443 AMAQI
25th Jul 2025434 AMAQI
25th Jul 2025425 AMAQI
26°C24/29°C
25th Jul 2025436 AMAQI
25th Jul 2025427 AMAQI
25th Jul 2025428 AMAQI
25th Jul 2025479 AMAQI
25th Jul 20254410 AMAQI
25th Jul 20253411 AMAQI
25th Jul 20253212 PMAQI
25th Jul 2025311 PMAQI
25th Jul 2025292 PMAQI
25th Jul 2025263 PMAQI
25th Jul 2025274 PMAQI
25th Jul 2025295 PMAQI
25th Jul 2025356 PMAQI
25th Jul 2025407 PMAQI
25th Jul 2025428 PMAQI
25th Jul 2025449 PMAQI
25th Jul 20254710 PMAQI
25th Jul 20254811 PMAQI
26th Jul 20254612 AMAQI
26th Jul 2025461 AMAQI
26th Jul 2025472 AMAQI
26th Jul 2025483 AMAQI
26th Jul 2025474 AMAQI
26th Jul 2025465 AMAQI
27°C24/32°C
26th Jul 2025466 AMAQI
26th Jul 2025457 AMAQI
26th Jul 2025338 AMAQI
26th Jul 2025339 AMAQI
26th Jul 20253010 AMAQI
26th Jul 20252711 AMAQI
26th Jul 20252912 PMAQI
26th Jul 2025301 PMAQI
26th Jul 2025302 PMAQI
26th Jul 2025283 PMAQI
26th Jul 2025264 PMAQI
26th Jul 2025265 PMAQI
26th Jul 2025266 PMAQI
26th Jul 2025357 PMAQI
26th Jul 2025418 PMAQI
26th Jul 2025459 PMAQI
26th Jul 20254710 PMAQI
26th Jul 20254711 PMAQI
27th Jul 20254512 AMAQI
27th Jul 2025461 AMAQI
27th Jul 2025482 AMAQI
27th Jul 2025463 AMAQI
27th Jul 2025434 AMAQI
27th Jul 2025435 AMAQI
28°C24/33°C
27th Jul 2025446 AMAQI
27th Jul 2025447 AMAQI
27th Jul 2025418 AMAQI
27th Jul 2025389 AMAQI
27th Jul 20254010 AMAQI
27th Jul 20254111 AMAQI
27th Jul 20253912 PMAQI
27th Jul 2025371 PMAQI
27th Jul 2025382 PMAQI
27th Jul 2025363 PMAQI
27th Jul 2025374 PMAQI
27th Jul 2025375 PMAQI
27th Jul 2025356 PMAQI
27th Jul 2025387 PMAQI
27th Jul 2025418 PMAQI
27th Jul 2025469 PMAQI
27th Jul 20254710 PMAQI
27th Jul 20254711 PMAQI
28th Jul 20254312 AMAQI
28th Jul 2025441 AMAQI
28th Jul 2025472 AMAQI
28th Jul 2025463 AMAQI
28th Jul 2025444 AMAQI
28th Jul 2025455 AMAQI
28°C25/33°C
28th Jul 2025456 AMAQI
28th Jul 2025447 AMAQI
28th Jul 2025378 AMAQI
28th Jul 2025339 AMAQI
28th Jul 20252910 AMAQI
28th Jul 20252711 AMAQI
28th Jul 20253012 PMAQI
28th Jul 2025281 PMAQI
28th Jul 2025272 PMAQI
28th Jul 2025253 PMAQI
28th Jul 2025234 PMAQI
28th Jul 2025245 PMAQI
28th Jul 2025266 PMAQI
28th Jul 2025307 PMAQI
28th Jul 2025378 PMAQI
28th Jul 2025399 PMAQI
28th Jul 20254110 PMAQI
28th Jul 20254211 PMAQI
29th Jul 20254612 AMAQI
29th Jul 2025461 AMAQI
29th Jul 2025472 AMAQI
29th Jul 2025443 AMAQI
29th Jul 2025424 AMAQI
29th Jul 2025425 AMAQI
27°C24/32°C
29th Jul 2025426 AMAQI
29th Jul 2025427 AMAQI
29th Jul 2025348 AMAQI
29th Jul 2025309 AMAQI
29th Jul 20253010 AMAQI
29th Jul 20253411 AMAQI
29th Jul 20252612 PMAQI
29th Jul 2025261 PMAQI
29th Jul 2025262 PMAQI
29th Jul 2025253 PMAQI
29th Jul 2025254 PMAQI
29th Jul 2025305 PMAQI
29th Jul 2025366 PMAQI
29th Jul 2025397 PMAQI
29th Jul 2025408 PMAQI
29th Jul 2025439 PMAQI
29th Jul 20254210 PMAQI
29th Jul 20254111 PMAQI
30th Jul 20254112 AMAQI
30th Jul 2025421 AMAQI
30th Jul 2025432 AMAQI
30th Jul 2025413 AMAQI
30th Jul 2025404 AMAQI
30th Jul 2025435 AMAQI
28°C25/33°C
30th Jul 2025456 AMAQI
30th Jul 2025457 AMAQI
30th Jul 2025368 AMAQI
30th Jul 2025389 AMAQI
30th Jul 20254110 AMAQI
30th Jul 20253611 AMAQI
30th Jul 20253812 PMAQI
30th Jul 2025361 PMAQI
30th Jul 2025362 PMAQI
30th Jul 2025343 PMAQI
30th Jul 2025304 PMAQI
30th Jul 2025295 PMAQI
30th Jul 2025336 PMAQI
30th Jul 2025337 PMAQI
30th Jul 2025358 PMAQI
30th Jul 2025379 PMAQI
30th Jul 20253910 PMAQI
30th Jul 20253711 PMAQI
31st Jul 20254512 AMAQI
31st Jul 2025461 AMAQI
31st Jul 2025472 AMAQI
31st Jul 2025463 AMAQI
31st Jul 2025464 AMAQI
31st Jul 2025465 AMAQI
29°C25/34°C
31st Jul 2025466 AMAQI
31st Jul 2025467 AMAQI
31st Jul 2025468 AMAQI
31st Jul 2025469 AMAQI
31st Jul 20255010 AMAQI
31st Jul 20254111 AMAQI
31st Jul 20253812 PMAQI
31st Jul 2025401 PMAQI
31st Jul 2025402 PMAQI
31st Jul 2025383 PMAQI
31st Jul 2025404 PMAQI
31st Jul 2025395 PMAQI
31st Jul 2025376 PMAQI
31st Jul 2025457 PMAQI
31st Jul 2025548 PMAQI
31st Jul 2025549 PMAQI
31st Jul 20255710 PMAQI
31st Jul 20255611 PMAQI
1st Aug 20255712 AMAQI
1st Aug 2025571 AMAQI
1st Aug 2025562 AMAQI
1st Aug 2025533 AMAQI
1st Aug 2025544 AMAQI
1st Aug 2025545 AMAQI
29°C25/35°C
1st Aug 2025556 AMAQI
1st Aug 2025567 AMAQI
1st Aug 2025578 AMAQI
1st Aug 2025619 AMAQI
1st Aug 20255710 AMAQI
1st Aug 20255611 AMAQI
1st Aug 20255312 PMAQI
1st Aug 2025581 PMAQI
1st Aug 2025522 PMAQI
1st Aug 2025503 PMAQI
1st Aug 2025504 PMAQI
1st Aug 2025485 PMAQI
1st Aug 2025526 PMAQI
1st Aug 2025507 PMAQI
1st Aug 2025518 PMAQI
1st Aug 2025539 PMAQI
1st Aug 20255210 PMAQI
1st Aug 20255311 PMAQI
2nd Aug 20255412 AMAQI
2nd Aug 2025551 AMAQI
2nd Aug 2025562 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025554 AMAQI
2nd Aug 2025565 AMAQI
28°C25/33°C
2nd Aug 2025566 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025498 AMAQI
2nd Aug 2025499 AMAQI
2nd Aug 20254810 AMAQI
2nd Aug 20255611 AMAQI
2nd Aug 20255412 PMAQI
2nd Aug 2025511 PMAQI
2nd Aug 2025502 PMAQI
2nd Aug 2025503 PMAQI
2nd Aug 2025494 PMAQI
2nd Aug 2025425 PMAQI
2nd Aug 2025476 PMAQI
2nd Aug 2025527 PMAQI
2nd Aug 2025538 PMAQI
2nd Aug 2025559 PMAQI
2nd Aug 20255610 PMAQI
2nd Aug 20255511 PMAQI
3rd Aug 20255412 AMAQI
3rd Aug 2025561 AMAQI
3rd Aug 2025562 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025554 AMAQI
3rd Aug 2025565 AMAQI
28°C25/34°C
3rd Aug 2025556 AMAQI
3rd Aug 2025567 AMAQI
3rd Aug 2025558 AMAQI
3rd Aug 2025599 AMAQI
3rd Aug 20256210 AMAQI
3rd Aug 20256411 AMAQI
3rd Aug 20256312 PMAQI
3rd Aug 2025561 PMAQI
3rd Aug 2025522 PMAQI
3rd Aug 2025533 PMAQI
3rd Aug 2025484 PMAQI
3rd Aug 2025495 PMAQI
3rd Aug 2025486 PMAQI
3rd Aug 2025507 PMAQI
3rd Aug 2025568 PMAQI
3rd Aug 2025569 PMAQI
3rd Aug 20255710 PMAQI
3rd Aug 20255711 PMAQI
4th Aug 20255612 AMAQI
4th Aug 2025561 AMAQI
4th Aug 2025562 AMAQI
4th Aug 2025563 AMAQI
4th Aug 2025564 AMAQI
4th Aug 2025565 AMAQI
--°C/°C
4th Aug 2025566 AMAQI
6 AM12 PM
7 PM
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 7 AM
47AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
2 PM - 6 PM
37AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 7 AM (Avg. 47), while the lowest AQI was between 2 PM to 6 PM (Avg. 37).
Night time
Avg. Highest Time
12 AM - 11 PM
47AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM - 11 PM
47AQI
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. 47), while the lowest AQI was between 12 AM to 11 PM (Avg. 47).
2025 Days Vs Air Quality
Haikou, Hainan, China
2025
39%
84
55%
118
6%
12
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
84 DaysModerate
118 DaysPoor
12 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 39%
Health Risk Level:
High
In 2025, 39% of 215 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.
Annual Air Quality Insights
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
115AQI
115AQI
2nd January 2025
104AQI
104AQI
3rd January 2025
106AQI
106AQI
4th January 2025
92AQI
92AQI
5th January 2025
110AQI
110AQI
6th January 2025
118AQI
118AQI
7th January 2025
92AQI
92AQI
8th January 2025
91AQI
91AQI
9th January 2025
118AQI
118AQI
10th January 2025
108AQI
108AQI
11th January 2025
92AQI
92AQI
12th January 2025
81AQI
81AQI
13th January 2025
77AQI
77AQI
14th January 2025
74AQI
74AQI
15th January 2025
81AQI
81AQI
16th January 2025
94AQI
94AQI
17th January 2025
91AQI
91AQI
18th January 2025
86AQI
86AQI
19th January 2025
92AQI
92AQI
20th January 2025
97AQI
97AQI
21st January 2025
81AQI
81AQI
22nd January 2025
92AQI
92AQI
23rd January 2025
82AQI
82AQI
24th January 2025
66AQI
66AQI
25th January 2025
63AQI
63AQI
26th January 2025
59AQI
59AQI
27th January 2025
59AQI
59AQI
28th January 2025
63AQI
63AQI
29th January 2025
79AQI
79AQI
30th January 2025
69AQI
69AQI
31st January 2025
67AQI
67AQI
1st February 2025
55AQI
55AQI
2nd February 2025
49AQI
49AQI
3rd February 2025
64AQI
64AQI
4th February 2025
52AQI
52AQI
5th February 2025
59AQI
59AQI
6th February 2025
60AQI
60AQI
7th February 2025
72AQI
72AQI
8th February 2025
59AQI
59AQI
9th February 2025
68AQI
68AQI
10th February 2025
61AQI
61AQI
11th February 2025
60AQI
60AQI
12th February 2025
53AQI
53AQI
13th February 2025
68AQI
68AQI
14th February 2025
50AQI
50AQI
15th February 2025
70AQI
70AQI
16th February 2025
47AQI
47AQI
17th February 2025
68AQI
68AQI
18th February 2025
77AQI
77AQI
19th February 2025
72AQI
72AQI
20th February 2025
67AQI
67AQI
21st February 2025
63AQI
63AQI
22nd February 2025
49AQI
49AQI
23rd February 2025
63AQI
63AQI
24th February 2025
51AQI
51AQI
25th February 2025
62AQI
62AQI
26th February 2025
75AQI
75AQI
27th February 2025
67AQI
67AQI
28th February 2025
61AQI
61AQI
1st March 2025
58AQI
58AQI
2nd March 2025
57AQI
57AQI
3rd March 2025
63AQI
63AQI
4th March 2025
56AQI
56AQI
5th March 2025
52AQI
52AQI
6th March 2025
34AQI
34AQI
7th March 2025
45AQI
45AQI
8th March 2025
48AQI
48AQI
9th March 2025
62AQI
62AQI
10th March 2025
65AQI
65AQI
11th March 2025
61AQI
61AQI
12th March 2025
55AQI
55AQI
13th March 2025
52AQI
52AQI
14th March 2025
45AQI
45AQI
15th March 2025
58AQI
58AQI
16th March 2025
47AQI
47AQI
17th March 2025
67AQI
67AQI
18th March 2025
69AQI
69AQI
19th March 2025
84AQI
84AQI
20th March 2025
79AQI
79AQI
21st March 2025
83AQI
83AQI
22nd March 2025
77AQI
77AQI
23rd March 2025
73AQI
73AQI
24th March 2025
73AQI
73AQI
25th March 2025
77AQI
77AQI
26th March 2025
73AQI
73AQI
27th March 2025
72AQI
72AQI
28th March 2025
67AQI
67AQI
29th March 2025
53AQI
53AQI
30th March 2025
38AQI
38AQI
31st March 2025
45AQI
45AQI
1st April 2025
50AQI
50AQI
2nd April 2025
67AQI
67AQI
3rd April 2025
58AQI
58AQI
4th April 2025
61AQI
61AQI
5th April 2025
64AQI
64AQI
6th April 2025
60AQI
60AQI
7th April 2025
69AQI
69AQI
8th April 2025
60AQI
60AQI
9th April 2025
65AQI
65AQI
10th April 2025
69AQI
69AQI
11th April 2025
64AQI
64AQI
12th April 2025
68AQI
68AQI
13th April 2025
133AQI
133AQI
14th April 2025
133AQI
133AQI
15th April 2025
135AQI
135AQI
16th April 2025
116AQI
116AQI
17th April 2025
103AQI
103AQI
18th April 2025
84AQI
84AQI
19th April 2025
72AQI
72AQI
20th April 2025
64AQI
64AQI
21st April 2025
62AQI
62AQI
22nd April 2025
65AQI
65AQI
23rd April 2025
60AQI
60AQI
24th April 2025
63AQI
63AQI
25th April 2025
58AQI
58AQI
26th April 2025
52AQI
52AQI
27th April 2025
48AQI
48AQI
28th April 2025
57AQI
57AQI
29th April 2025
59AQI
59AQI
30th April 2025
57AQI
57AQI
1st May 2025
53AQI
53AQI
2nd May 2025
59AQI
59AQI
3rd May 2025
59AQI
59AQI
4th May 2025
59AQI
59AQI
5th May 2025
54AQI
54AQI
6th May 2025
59AQI
59AQI
7th May 2025
59AQI
59AQI
8th May 2025
54AQI
54AQI
9th May 2025
55AQI
55AQI
10th May 2025
50AQI
50AQI
11th May 2025
57AQI
57AQI
12th May 2025
62AQI
62AQI
13th May 2025
57AQI
57AQI
14th May 2025
47AQI
47AQI
15th May 2025
41AQI
41AQI
16th May 2025
38AQI
38AQI
17th May 2025
40AQI
40AQI
18th May 2025
43AQI
43AQI
19th May 2025
43AQI
43AQI
20th May 2025
47AQI
47AQI
21st May 2025
47AQI
47AQI
22nd May 2025
42AQI
42AQI
23rd May 2025
39AQI
39AQI
24th May 2025
37AQI
37AQI
25th May 2025
52AQI
52AQI
26th May 2025
68AQI
68AQI
27th May 2025
56AQI
56AQI
28th May 2025
50AQI
50AQI
29th May 2025
47AQI
47AQI
30th May 2025
46AQI
46AQI
31st May 2025
40AQI
40AQI
1st June 2025
46AQI
46AQI
2nd June 2025
43AQI
43AQI
3rd June 2025
53AQI
53AQI
4th June 2025
54AQI
54AQI
5th June 2025
44AQI
44AQI
6th June 2025
43AQI
43AQI
7th June 2025
47AQI
47AQI
8th June 2025
50AQI
50AQI
9th June 2025
51AQI
51AQI
10th June 2025
51AQI
51AQI
11th June 2025
44AQI
44AQI
12th June 2025
35AQI
35AQI
13th June 2025
34AQI
34AQI
14th June 2025
36AQI
36AQI
15th June 2025
39AQI
39AQI
16th June 2025
42AQI
42AQI
17th June 2025
45AQI
45AQI
18th June 2025
42AQI
42AQI
19th June 2025
40AQI
40AQI
20th June 2025
39AQI
39AQI
21st June 2025
38AQI
38AQI
22nd June 2025
39AQI
39AQI
23rd June 2025
34AQI
34AQI
24th June 2025
32AQI
32AQI
25th June 2025
31AQI
31AQI
26th June 2025
28AQI
28AQI
27th June 2025
28AQI
28AQI
28th June 2025
30AQI
30AQI
29th June 2025
31AQI
31AQI
30th June 2025
31AQI
31AQI
1st July 2025
31AQI
31AQI
2nd July 2025
29AQI
29AQI
3rd July 2025
30AQI
30AQI
4th July 2025
30AQI
30AQI
5th July 2025
34AQI
34AQI
6th July 2025
36AQI
36AQI
7th July 2025
34AQI
34AQI
8th July 2025
40AQI
40AQI
9th July 2025
43AQI
43AQI
10th July 2025
46AQI
46AQI
11th July 2025
49AQI
49AQI
12th July 2025
46AQI
46AQI
13th July 2025
49AQI
49AQI
14th July 2025
50AQI
50AQI
15th July 2025
53AQI
53AQI
16th July 2025
52AQI
52AQI
17th July 2025
50AQI
50AQI
18th July 2025
50AQI
50AQI
19th July 2025
45AQI
45AQI
20th July 2025
40AQI
40AQI
21st July 2025
37AQI
37AQI
22nd July 2025
37AQI
37AQI
23rd July 2025
39AQI
39AQI
24th July 2025
37AQI
37AQI
25th July 2025
40AQI
40AQI
26th July 2025
39AQI
39AQI
27th July 2025
42AQI
42AQI
28th July 2025
37AQI
37AQI
29th July 2025
38AQI
38AQI
30th July 2025
38AQI
38AQI
31st July 2025
46AQI
46AQI
1st August 2025
54AQI
54AQI
2nd August 2025
53AQI
53AQI
87AQI
62AQI
61AQI
73AQI
50AQI
40AQI
41AQI
54AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202559AQI
24
7
4
24
7
24
2
23
5
16
15
26
4
29
2
2
84
118
12
Highest AQI recorded in
January87AQI
Lowest AQI recorded in
June40AQI
202455AQI
8
22
1
11
16
2
7
24
4
26
22
9
27
3
31
29
2
22
8
9
19
3
1
29
26
5
171
184
11
Highest AQI recorded in
December84AQI
Lowest AQI recorded in
July30AQI
202355AQI
7
21
3
10
16
2
6
25
5
25
18
13
25
5
29
2
22
9
26
4
12
18
1
8
16
2
7
22
2
175
176
10
Highest AQI recorded in
January75AQI
Lowest AQI recorded in
July35AQI
202251AQI
9
20
2
14
7
10
21
10
20
29
2
29
1
24
1
1
9
19
1
12
19
24
6
4
22
5
175
138
8
Highest AQI recorded in
December73AQI
Lowest AQI recorded in
July30AQI
202151AQI
22
9
8
19
1
13
17
1
21
9
27
4
18
12
30
1
30
1
27
3
23
8
11
17
2
1
28
2
209
141
15
Highest AQI recorded in
January88AQI
Lowest AQI recorded in
August34AQI
202050AQI
10
4
9
12
10
8
30
30
1
27
4
25
5
11
19
1
7
18
5
2
18
11
161
89
17
Highest AQI recorded in
December87AQI
Lowest AQI recorded in
June32AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
59AQILeast Polluted Year Recorded
2020(Avg.)
50AQIHaikou's annual 2025 AQI (59) shows an average percentage change of 12.2% (worsened AQI) compared to previous years: 2020 (50), 2021 (51), 2022 (51), 2023 (55), 2024 (55).
