Water Company Station, 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
Water Company Station, Haikou, Hainan, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
56AQILowest AQI recorded on
29th Aug 2021
18AQISame Day Analysis (4th 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: 5th Aug - 6th Aug 2025
Water Company Station, Haikou, Hainan, China
AQI
Day
Night
.
6 AM5th Aug 2025
7 PM
5 AM6th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
11AM5th Aug
57AQI
Avg. Lowest Time
8PM5th Aug
52AQI
In the last 24 hours,
Water Company Station's AQI reached its highest point of 57 at 11 AM during the Night, while the lowest point, 52, was recorded at 8 PM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Water Company Station, Haikou, Hainan, China
JulAug
07th - 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 - 05th05th - 06th06th
Day
Night
7th Jul 2025366 AMAQI
7th Jul 2025377 AMAQI
7th Jul 2025338 AMAQI
7th Jul 2025349 AMAQI
7th Jul 20253210 AMAQI
7th Jul 20253011 AMAQI
7th Jul 20253012 PMAQI
7th Jul 2025291 PMAQI
7th Jul 2025322 PMAQI
7th Jul 2025303 PMAQI
7th Jul 2025294 PMAQI
7th Jul 2025305 PMAQI
7th Jul 2025306 PMAQI
7th Jul 2025347 PMAQI
7th Jul 2025338 PMAQI
7th Jul 2025369 PMAQI
7th Jul 20253510 PMAQI
7th Jul 20253611 PMAQI
8th Jul 20253412 AMAQI
8th Jul 2025341 AMAQI
8th Jul 2025372 AMAQI
8th Jul 2025363 AMAQI
8th Jul 2025364 AMAQI
8th Jul 2025375 AMAQI
27°C24/31°C
8th Jul 2025376 AMAQI
8th Jul 2025387 AMAQI
8th Jul 2025398 AMAQI
8th Jul 2025409 AMAQI
8th Jul 20255310 AMAQI
8th Jul 20254911 AMAQI
8th Jul 20254812 PMAQI
8th Jul 2025401 PMAQI
8th Jul 2025412 PMAQI
8th Jul 2025413 PMAQI
8th Jul 2025364 PMAQI
8th Jul 2025375 PMAQI
8th Jul 2025426 PMAQI
8th Jul 2025467 PMAQI
8th Jul 2025408 PMAQI
8th Jul 2025389 PMAQI
8th Jul 20253710 PMAQI
8th Jul 20253811 PMAQI
9th Jul 20253812 AMAQI
9th Jul 2025361 AMAQI
9th Jul 2025422 AMAQI
9th Jul 2025403 AMAQI
9th Jul 2025424 AMAQI
9th Jul 2025425 AMAQI
29°C24/34°C
9th Jul 2025386 AMAQI
9th Jul 2025387 AMAQI
9th Jul 2025428 AMAQI
9th Jul 2025479 AMAQI
9th Jul 20254710 AMAQI
9th Jul 20254711 AMAQI
9th Jul 20254312 PMAQI
9th Jul 2025421 PMAQI
9th Jul 2025402 PMAQI
9th Jul 2025413 PMAQI
9th Jul 2025394 PMAQI
9th Jul 2025395 PMAQI
9th Jul 2025396 PMAQI
9th Jul 2025417 PMAQI
9th Jul 2025428 PMAQI
9th Jul 2025439 PMAQI
9th Jul 20254210 PMAQI
9th Jul 20254211 PMAQI
10th Jul 20253912 AMAQI
10th Jul 2025421 AMAQI
10th Jul 2025452 AMAQI
10th Jul 2025443 AMAQI
10th Jul 2025454 AMAQI
10th Jul 2025445 AMAQI
28°C25/33°C
10th Jul 2025436 AMAQI
10th Jul 2025447 AMAQI
10th Jul 2025468 AMAQI
10th Jul 2025479 AMAQI
10th Jul 20255010 AMAQI
10th Jul 20255311 AMAQI
10th Jul 20255212 PMAQI
10th Jul 2025541 PMAQI
10th Jul 2025532 PMAQI
10th Jul 2025473 PMAQI
10th Jul 2025474 PMAQI
10th Jul 2025445 PMAQI
10th Jul 2025416 PMAQI
10th Jul 2025407 PMAQI
10th Jul 2025458 PMAQI
10th Jul 2025469 PMAQI
10th Jul 20254710 PMAQI
10th Jul 20255011 PMAQI
11th Jul 20255112 AMAQI
11th Jul 2025511 AMAQI
11th Jul 2025502 AMAQI
11th Jul 2025513 AMAQI
11th Jul 2025494 AMAQI
11th Jul 2025525 AMAQI
28°C25/33°C
11th Jul 2025516 AMAQI
11th Jul 2025507 AMAQI
11th Jul 2025458 AMAQI
11th Jul 2025439 AMAQI
11th Jul 20254410 AMAQI
11th Jul 20254111 AMAQI
11th Jul 20254212 PMAQI
11th Jul 2025411 PMAQI
11th Jul 2025412 PMAQI
11th Jul 2025463 PMAQI
11th Jul 2025484 PMAQI
11th Jul 2025525 PMAQI
11th Jul 2025506 PMAQI
11th Jul 2025477 PMAQI
11th Jul 2025498 PMAQI
11th Jul 2025439 PMAQI
11th Jul 20254210 PMAQI
11th Jul 20254511 PMAQI
12th Jul 20254612 AMAQI
12th Jul 2025431 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 2025538 AMAQI
12th Jul 2025549 AMAQI
12th Jul 20255210 AMAQI
12th Jul 20255011 AMAQI
12th Jul 20255212 PMAQI
12th Jul 2025501 PMAQI
12th Jul 2025452 PMAQI
12th Jul 2025383 PMAQI
12th Jul 2025384 PMAQI
12th Jul 2025385 PMAQI
12th Jul 2025386 PMAQI
12th Jul 2025417 PMAQI
12th Jul 2025428 PMAQI
12th Jul 2025429 PMAQI
12th Jul 20254210 PMAQI
12th Jul 20254911 PMAQI
13th Jul 20255212 AMAQI
13th Jul 2025501 AMAQI
13th Jul 2025522 AMAQI
13th Jul 2025503 AMAQI
13th Jul 2025514 AMAQI
13th Jul 2025525 AMAQI
27°C24/31°C
13th Jul 2025516 AMAQI
13th Jul 2025527 AMAQI
13th Jul 2025488 AMAQI
13th Jul 2025409 AMAQI
13th Jul 20254310 AMAQI
13th Jul 20254811 AMAQI
13th Jul 20254612 PMAQI
13th Jul 2025461 PMAQI
13th Jul 2025442 PMAQI
13th Jul 2025473 PMAQI
13th Jul 2025444 PMAQI
13th Jul 2025445 PMAQI
13th Jul 2025456 PMAQI
13th Jul 2025427 PMAQI
13th Jul 2025468 PMAQI
13th Jul 2025439 PMAQI
13th Jul 20254410 PMAQI
13th Jul 20254511 PMAQI
14th Jul 20254512 AMAQI
14th Jul 2025501 AMAQI
14th Jul 2025532 AMAQI
14th Jul 2025533 AMAQI
14th Jul 2025524 AMAQI
14th Jul 2025515 AMAQI
28°C25/33°C
14th Jul 2025526 AMAQI
14th Jul 2025517 AMAQI
14th Jul 2025428 AMAQI
14th Jul 2025389 AMAQI
14th Jul 20254310 AMAQI
14th Jul 20254011 AMAQI
14th Jul 20254212 PMAQI
14th Jul 2025451 PMAQI
14th Jul 2025452 PMAQI
14th Jul 2025443 PMAQI
14th Jul 2025454 PMAQI
14th Jul 2025495 PMAQI
14th Jul 2025466 PMAQI
14th Jul 2025507 PMAQI
14th Jul 2025528 PMAQI
14th Jul 2025519 PMAQI
14th Jul 20254810 PMAQI
14th Jul 20254811 PMAQI
15th Jul 20254712 AMAQI
15th Jul 2025471 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 2025608 AMAQI
15th Jul 2025649 AMAQI
15th Jul 20256010 AMAQI
15th Jul 20255811 AMAQI
15th Jul 20255312 PMAQI
15th Jul 2025521 PMAQI
15th Jul 2025502 PMAQI
15th Jul 2025483 PMAQI
15th Jul 2025494 PMAQI
15th Jul 2025455 PMAQI
15th Jul 2025446 PMAQI
15th Jul 2025487 PMAQI
15th Jul 2025528 PMAQI
15th Jul 2025529 PMAQI
15th Jul 20255210 PMAQI
15th Jul 20254911 PMAQI
16th Jul 20255012 AMAQI
16th Jul 2025501 AMAQI
16th Jul 2025532 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 2025528 AMAQI
16th Jul 2025519 AMAQI
16th Jul 20255010 AMAQI
16th Jul 20254611 AMAQI
16th Jul 20254712 PMAQI
16th Jul 2025491 PMAQI
16th Jul 2025482 PMAQI
16th Jul 2025503 PMAQI
16th Jul 2025484 PMAQI
16th Jul 2025485 PMAQI
16th Jul 2025516 PMAQI
16th Jul 2025527 PMAQI
16th Jul 2025488 PMAQI
16th Jul 2025539 PMAQI
16th Jul 20255110 PMAQI
16th Jul 20255011 PMAQI
17th Jul 20254812 AMAQI
17th Jul 2025501 AMAQI
17th Jul 2025532 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 2025568 AMAQI
17th Jul 2025599 AMAQI
17th Jul 20256010 AMAQI
17th Jul 20255811 AMAQI
17th Jul 20255012 PMAQI
17th Jul 2025521 PMAQI
17th Jul 2025502 PMAQI
17th Jul 2025463 PMAQI
17th Jul 2025424 PMAQI
17th Jul 2025425 PMAQI
17th Jul 2025366 PMAQI
17th Jul 2025387 PMAQI
17th Jul 2025448 PMAQI
17th Jul 2025459 PMAQI
17th Jul 20254610 PMAQI
17th Jul 20255011 PMAQI
18th Jul 20255212 AMAQI
18th Jul 2025521 AMAQI
18th Jul 2025522 AMAQI
18th Jul 2025523 AMAQI
18th Jul 2025524 AMAQI
18th Jul 2025535 AMAQI
29°C25/34°C
18th Jul 2025526 AMAQI
18th Jul 2025527 AMAQI
18th Jul 2025548 AMAQI
18th Jul 2025569 AMAQI
18th Jul 20255610 AMAQI
18th Jul 20255611 AMAQI
18th Jul 20254912 PMAQI
18th Jul 2025461 PMAQI
18th Jul 2025422 PMAQI
18th Jul 2025403 PMAQI
18th Jul 2025404 PMAQI
18th Jul 2025375 PMAQI
18th Jul 2025376 PMAQI
18th Jul 2025407 PMAQI
18th Jul 2025508 PMAQI
18th Jul 2025519 PMAQI
18th Jul 20255210 PMAQI
18th Jul 20255311 PMAQI
19th Jul 20255512 AMAQI
19th Jul 2025541 AMAQI
19th Jul 2025522 AMAQI
19th Jul 2025533 AMAQI
19th Jul 2025524 AMAQI
19th Jul 2025525 AMAQI
29°C26/33°C
19th Jul 2025526 AMAQI
19th Jul 2025527 AMAQI
19th Jul 2025428 AMAQI
19th Jul 2025409 AMAQI
19th Jul 20253810 AMAQI
19th Jul 20253811 AMAQI
19th Jul 20254812 PMAQI
19th Jul 2025551 PMAQI
19th Jul 2025372 PMAQI
19th Jul 2025283 PMAQI
19th Jul 2025274 PMAQI
19th Jul 2025285 PMAQI
19th Jul 2025286 PMAQI
19th Jul 2025337 PMAQI
19th Jul 2025418 PMAQI
19th Jul 2025429 PMAQI
19th Jul 20254410 PMAQI
19th Jul 20254311 PMAQI
20th Jul 20254112 AMAQI
20th Jul 2025521 AMAQI
20th Jul 2025532 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 2025378 AMAQI
20th Jul 2025259 AMAQI
20th Jul 20252310 AMAQI
20th Jul 20252411 AMAQI
20th Jul 20252612 PMAQI
20th Jul 2025241 PMAQI
20th Jul 2025282 PMAQI
20th Jul 2025263 PMAQI
20th Jul 2025214 PMAQI
20th Jul 2025245 PMAQI
20th Jul 2025216 PMAQI
20th Jul 2025307 PMAQI
20th Jul 2025378 PMAQI
20th Jul 2025389 PMAQI
20th Jul 20253710 PMAQI
20th Jul 20253811 PMAQI
21st Jul 20254212 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 2025268 AMAQI
21st Jul 2025219 AMAQI
21st Jul 20252210 AMAQI
21st Jul 20252011 AMAQI
21st Jul 20252412 PMAQI
21st Jul 2025221 PMAQI
21st Jul 2025222 PMAQI
21st Jul 2025193 PMAQI
21st Jul 2025184 PMAQI
21st Jul 2025185 PMAQI
21st Jul 2025186 PMAQI
21st Jul 2025277 PMAQI
21st Jul 2025368 PMAQI
21st Jul 2025369 PMAQI
21st Jul 20253710 PMAQI
21st Jul 20253711 PMAQI
22nd Jul 20253912 AMAQI
22nd Jul 2025451 AMAQI
22nd Jul 2025502 AMAQI
22nd Jul 2025473 AMAQI
22nd Jul 2025444 AMAQI
22nd Jul 2025435 AMAQI
25°C24/26°C
22nd Jul 2025446 AMAQI
22nd Jul 2025437 AMAQI
22nd Jul 2025268 AMAQI
22nd Jul 2025209 AMAQI
22nd Jul 20252210 AMAQI
22nd Jul 20252311 AMAQI
22nd Jul 20252612 PMAQI
22nd Jul 2025261 PMAQI
22nd Jul 2025262 PMAQI
22nd Jul 2025243 PMAQI
22nd Jul 2025244 PMAQI
22nd Jul 2025265 PMAQI
22nd Jul 2025246 PMAQI
22nd Jul 2025307 PMAQI
22nd Jul 2025358 PMAQI
22nd Jul 2025389 PMAQI
22nd Jul 20253910 PMAQI
22nd Jul 20254011 PMAQI
23rd Jul 20254012 AMAQI
23rd Jul 2025431 AMAQI
23rd Jul 2025442 AMAQI
23rd Jul 2025443 AMAQI
23rd Jul 2025424 AMAQI
23rd Jul 2025425 AMAQI
26°C24/31°C
23rd Jul 2025426 AMAQI
23rd Jul 2025427 AMAQI
23rd Jul 2025288 AMAQI
23rd Jul 2025269 AMAQI
23rd Jul 20252710 AMAQI
23rd Jul 20253011 AMAQI
23rd Jul 20252812 PMAQI
23rd Jul 2025271 PMAQI
23rd Jul 2025272 PMAQI
23rd Jul 2025263 PMAQI
23rd Jul 2025284 PMAQI
23rd Jul 2025295 PMAQI
23rd Jul 2025266 PMAQI
23rd Jul 2025287 PMAQI
23rd Jul 2025358 PMAQI
23rd Jul 2025339 PMAQI
23rd Jul 20253410 PMAQI
23rd Jul 20253511 PMAQI
24th Jul 20253612 AMAQI
24th Jul 2025361 AMAQI
24th Jul 2025342 AMAQI
24th Jul 2025353 AMAQI
24th Jul 2025444 AMAQI
24th Jul 2025485 AMAQI
27°C25/32°C
24th Jul 2025486 AMAQI
24th Jul 2025487 AMAQI
24th Jul 2025348 AMAQI
24th Jul 2025329 AMAQI
24th Jul 20253310 AMAQI
24th Jul 20253211 AMAQI
24th Jul 20253212 PMAQI
24th Jul 2025341 PMAQI
24th Jul 2025332 PMAQI
24th Jul 2025343 PMAQI
24th Jul 2025254 PMAQI
24th Jul 2025265 PMAQI
24th Jul 2025246 PMAQI
24th Jul 2025307 PMAQI
24th Jul 2025388 PMAQI
24th Jul 2025359 PMAQI
24th Jul 20253610 PMAQI
24th Jul 20253611 PMAQI
25th Jul 20253712 AMAQI
25th Jul 2025381 AMAQI
25th Jul 2025432 AMAQI
25th Jul 2025413 AMAQI
25th Jul 2025404 AMAQI
25th Jul 2025405 AMAQI
26°C24/29°C
25th Jul 2025406 AMAQI
25th Jul 2025407 AMAQI
25th Jul 2025488 AMAQI
25th Jul 2025539 AMAQI
25th Jul 20255110 AMAQI
25th Jul 20253811 AMAQI
25th Jul 20253412 PMAQI
25th Jul 2025331 PMAQI
25th Jul 2025332 PMAQI
25th Jul 2025323 PMAQI
25th Jul 2025384 PMAQI
25th Jul 2025315 PMAQI
25th Jul 2025356 PMAQI
25th Jul 2025487 PMAQI
25th Jul 2025458 PMAQI
25th Jul 2025459 PMAQI
25th Jul 20254510 PMAQI
25th Jul 20254211 PMAQI
26th Jul 20254212 AMAQI
26th Jul 2025441 AMAQI
26th Jul 2025472 AMAQI
26th Jul 2025493 AMAQI
26th Jul 2025484 AMAQI
26th Jul 2025485 AMAQI
27°C24/32°C
26th Jul 2025486 AMAQI
26th Jul 2025467 AMAQI
26th Jul 2025348 AMAQI
26th Jul 2025349 AMAQI
26th Jul 20253210 AMAQI
26th Jul 20253211 AMAQI
26th Jul 20253012 PMAQI
26th Jul 2025341 PMAQI
26th Jul 2025352 PMAQI
26th Jul 2025323 PMAQI
26th Jul 2025304 PMAQI
26th Jul 2025295 PMAQI
26th Jul 2025316 PMAQI
26th Jul 2025347 PMAQI
26th Jul 2025398 PMAQI
26th Jul 2025429 PMAQI
26th Jul 20254310 PMAQI
26th Jul 20254111 PMAQI
27th Jul 20254012 AMAQI
27th Jul 2025441 AMAQI
27th Jul 2025472 AMAQI
27th Jul 2025463 AMAQI
27th Jul 2025424 AMAQI
27th Jul 2025425 AMAQI
28°C24/33°C
27th Jul 2025436 AMAQI
27th Jul 2025447 AMAQI
27th Jul 2025418 AMAQI
27th Jul 2025379 AMAQI
27th Jul 20253410 AMAQI
27th Jul 20253711 AMAQI
27th Jul 20253812 PMAQI
27th Jul 2025421 PMAQI
27th Jul 2025382 PMAQI
27th Jul 2025363 PMAQI
27th Jul 2025364 PMAQI
27th Jul 2025375 PMAQI
27th Jul 2025346 PMAQI
27th Jul 2025347 PMAQI
27th Jul 2025388 PMAQI
27th Jul 2025409 PMAQI
27th Jul 20254010 PMAQI
27th Jul 20253811 PMAQI
28th Jul 20253712 AMAQI
28th Jul 2025361 AMAQI
28th Jul 2025462 AMAQI
28th Jul 2025443 AMAQI
28th Jul 2025434 AMAQI
28th Jul 2025445 AMAQI
28°C25/33°C
28th Jul 2025436 AMAQI
28th Jul 2025437 AMAQI
28th Jul 2025438 AMAQI
28th Jul 2025389 AMAQI
28th Jul 20253410 AMAQI
28th Jul 20253211 AMAQI
28th Jul 20253412 PMAQI
28th Jul 2025301 PMAQI
28th Jul 2025292 PMAQI
28th Jul 2025243 PMAQI
28th Jul 2025244 PMAQI
28th Jul 2025255 PMAQI
28th Jul 2025296 PMAQI
28th Jul 2025327 PMAQI
28th Jul 2025348 PMAQI
28th Jul 2025359 PMAQI
28th Jul 20253610 PMAQI
28th Jul 20254011 PMAQI
29th Jul 20254612 AMAQI
29th Jul 2025461 AMAQI
29th Jul 2025452 AMAQI
29th Jul 2025423 AMAQI
29th Jul 2025414 AMAQI
29th Jul 2025415 AMAQI
27°C24/32°C
29th Jul 2025406 AMAQI
29th Jul 2025407 AMAQI
29th Jul 2025308 AMAQI
29th Jul 2025259 AMAQI
29th Jul 20252710 AMAQI
29th Jul 20252811 AMAQI
29th Jul 20252312 PMAQI
29th Jul 2025231 PMAQI
29th Jul 2025252 PMAQI
29th Jul 2025263 PMAQI
29th Jul 2025274 PMAQI
29th Jul 2025315 PMAQI
29th Jul 2025416 PMAQI
29th Jul 2025417 PMAQI
29th Jul 2025438 PMAQI
29th Jul 2025509 PMAQI
29th Jul 20254610 PMAQI
29th Jul 20254311 PMAQI
30th Jul 20254212 AMAQI
30th Jul 2025411 AMAQI
30th Jul 2025402 AMAQI
30th Jul 2025383 AMAQI
30th Jul 2025374 AMAQI
30th Jul 2025445 AMAQI
28°C25/33°C
30th Jul 2025476 AMAQI
30th Jul 2025477 AMAQI
30th Jul 2025428 AMAQI
30th Jul 2025439 AMAQI
30th Jul 20254610 AMAQI
30th Jul 20253711 AMAQI
30th Jul 20253812 PMAQI
30th Jul 2025361 PMAQI
30th Jul 2025382 PMAQI
30th Jul 2025343 PMAQI
30th Jul 2025324 PMAQI
30th Jul 2025315 PMAQI
30th Jul 2025356 PMAQI
30th Jul 2025347 PMAQI
30th Jul 2025338 PMAQI
30th Jul 2025339 PMAQI
30th Jul 20253410 PMAQI
30th Jul 20253211 PMAQI
31st Jul 20254412 AMAQI
31st Jul 2025461 AMAQI
31st Jul 2025482 AMAQI
31st Jul 2025483 AMAQI
31st Jul 2025494 AMAQI
31st Jul 2025495 AMAQI
29°C25/34°C
31st Jul 2025496 AMAQI
31st Jul 2025497 AMAQI
31st Jul 2025498 AMAQI
31st Jul 2025499 AMAQI
31st Jul 20255210 AMAQI
31st Jul 20254211 AMAQI
31st Jul 20253712 PMAQI
31st Jul 2025381 PMAQI
31st Jul 2025402 PMAQI
31st Jul 2025413 PMAQI
31st Jul 2025394 PMAQI
31st Jul 2025365 PMAQI
31st Jul 2025386 PMAQI
31st Jul 2025427 PMAQI
31st Jul 2025558 PMAQI
31st Jul 2025549 PMAQI
31st Jul 20255610 PMAQI
31st Jul 20255711 PMAQI
1st Aug 20255712 AMAQI
1st Aug 2025581 AMAQI
1st Aug 2025582 AMAQI
1st Aug 2025543 AMAQI
1st Aug 2025554 AMAQI
1st Aug 2025545 AMAQI
29°C25/35°C
1st Aug 2025566 AMAQI
1st Aug 2025567 AMAQI
1st Aug 2025548 AMAQI
1st Aug 2025589 AMAQI
1st Aug 20255510 AMAQI
1st Aug 20255411 AMAQI
1st Aug 20255212 PMAQI
1st Aug 2025601 PMAQI
1st Aug 2025542 PMAQI
1st Aug 2025503 PMAQI
1st Aug 2025514 PMAQI
1st Aug 2025465 PMAQI
1st Aug 2025506 PMAQI
1st Aug 2025507 PMAQI
1st Aug 2025528 PMAQI
1st Aug 2025549 PMAQI
1st Aug 20255410 PMAQI
1st Aug 20255411 PMAQI
2nd Aug 20255412 AMAQI
2nd Aug 2025551 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 2025528 AMAQI
2nd Aug 2025519 AMAQI
2nd Aug 20254410 AMAQI
2nd Aug 20255611 AMAQI
2nd Aug 20255112 PMAQI
2nd Aug 2025521 PMAQI
2nd Aug 2025472 PMAQI
2nd Aug 2025513 PMAQI
2nd Aug 2025474 PMAQI
2nd Aug 2025365 PMAQI
2nd Aug 2025446 PMAQI
2nd Aug 2025487 PMAQI
2nd Aug 2025528 PMAQI
2nd Aug 2025539 PMAQI
2nd Aug 20255410 PMAQI
2nd Aug 20255411 PMAQI
3rd Aug 20255212 AMAQI
3rd Aug 2025571 AMAQI
3rd Aug 2025572 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025564 AMAQI
3rd Aug 2025565 AMAQI
28°C25/34°C
3rd Aug 2025566 AMAQI
3rd Aug 2025577 AMAQI
3rd Aug 2025558 AMAQI
3rd Aug 2025589 AMAQI
3rd Aug 20256110 AMAQI
3rd Aug 20256011 AMAQI
3rd Aug 20256212 PMAQI
3rd Aug 2025541 PMAQI
3rd Aug 2025522 PMAQI
3rd Aug 2025503 PMAQI
3rd Aug 2025424 PMAQI
3rd Aug 2025455 PMAQI
3rd Aug 2025436 PMAQI
3rd Aug 2025507 PMAQI
3rd Aug 2025558 PMAQI
3rd Aug 2025569 PMAQI
3rd Aug 20255810 PMAQI
3rd Aug 20255611 PMAQI
4th Aug 20255612 AMAQI
4th Aug 2025581 AMAQI
4th Aug 2025562 AMAQI
4th Aug 2025563 AMAQI
4th Aug 2025564 AMAQI
4th Aug 2025565 AMAQI
29°C26/35°C
4th Aug 2025566 AMAQI
4th Aug 2025567 AMAQI
4th Aug 2025508 AMAQI
4th Aug 2025559 AMAQI
4th Aug 20255710 AMAQI
4th Aug 20255511 AMAQI
4th Aug 20255812 PMAQI
4th Aug 2025561 PMAQI
4th Aug 2025572 PMAQI
4th Aug 2025533 PMAQI
4th Aug 2025534 PMAQI
4th Aug 2025505 PMAQI
4th Aug 2025566 PMAQI
4th Aug 2025557 PMAQI
4th Aug 2025568 PMAQI
4th Aug 2025589 PMAQI
4th Aug 20255910 PMAQI
4th Aug 20255711 PMAQI
5th Aug 20255812 AMAQI
5th Aug 2025571 AMAQI
5th Aug 2025562 AMAQI
5th Aug 2025573 AMAQI
5th Aug 2025564 AMAQI
5th Aug 2025575 AMAQI
28°C26/31°C
5th Aug 2025566 AMAQI
5th Aug 2025567 AMAQI
5th Aug 2025528 AMAQI
5th Aug 2025529 AMAQI
5th Aug 20255510 AMAQI
5th Aug 20255711 AMAQI
5th Aug 20255512 PMAQI
5th Aug 2025551 PMAQI
5th Aug 2025562 PMAQI
5th Aug 2025553 PMAQI
5th Aug 2025554 PMAQI
5th Aug 2025575 PMAQI
5th Aug 2025546 PMAQI
5th Aug 2025527 PMAQI
5th Aug 2025528 PMAQI
5th Aug 2025549 PMAQI
5th Aug 20255310 PMAQI
5th Aug 20255511 PMAQI
6th Aug 20255412 AMAQI
6th Aug 2025561 AMAQI
6th Aug 2025562 AMAQI
6th Aug 2025563 AMAQI
6th Aug 2025574 AMAQI
6th Aug 2025565 AMAQI
--°C/°C
6th Aug 2025566 AMAQI
6 AM12 PM
7 PM
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 7 AM
48AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
4 PM - 6 PM
37AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 7 AM (Avg. 48), while the lowest AQI was between 4 PM to 6 PM (Avg. 37).
Night time
Avg. Highest Time
12 AM - 5 AM
48AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
8 PM - 11 PM
45AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 5 AM (Avg. 48), while the lowest AQI was between 8 PM to 11 PM (Avg. 45).
2025 Days Vs Air Quality
Water Company Station, Haikou, Hainan, China
2025
42%
91
53%
115
5%
10
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
91 DaysModerate
115 DaysPoor
10 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 42%
Health Risk Level:
Significant
In 2025, 42% of 217 days were within WHO’s safe air quality limits, and 58% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Water Company Station, 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
117AQI
117AQI
2nd January 2025
101AQI
101AQI
3rd January 2025
107AQI
107AQI
4th January 2025
91AQI
91AQI
5th January 2025
108AQI
108AQI
6th January 2025
116AQI
116AQI
7th January 2025
92AQI
92AQI
8th January 2025
91AQI
91AQI
9th January 2025
115AQI
115AQI
10th January 2025
109AQI
109AQI
11th January 2025
93AQI
93AQI
12th January 2025
83AQI
83AQI
13th January 2025
78AQI
78AQI
14th January 2025
73AQI
73AQI
15th January 2025
87AQI
87AQI
16th January 2025
97AQI
97AQI
17th January 2025
90AQI
90AQI
18th January 2025
86AQI
86AQI
19th January 2025
93AQI
93AQI
20th January 2025
96AQI
96AQI
21st January 2025
85AQI
85AQI
22nd January 2025
95AQI
95AQI
23rd January 2025
82AQI
82AQI
24th January 2025
63AQI
63AQI
25th January 2025
62AQI
62AQI
26th January 2025
60AQI
60AQI
27th January 2025
60AQI
60AQI
28th January 2025
66AQI
66AQI
29th January 2025
91AQI
91AQI
30th January 2025
70AQI
70AQI
31st January 2025
64AQI
64AQI
1st February 2025
55AQI
55AQI
2nd February 2025
49AQI
49AQI
3rd February 2025
61AQI
61AQI
4th February 2025
53AQI
53AQI
5th February 2025
58AQI
58AQI
6th February 2025
59AQI
59AQI
7th February 2025
73AQI
73AQI
8th February 2025
60AQI
60AQI
9th February 2025
69AQI
69AQI
10th February 2025
60AQI
60AQI
11th February 2025
58AQI
58AQI
12th February 2025
52AQI
52AQI
13th February 2025
64AQI
64AQI
14th February 2025
48AQI
48AQI
15th February 2025
67AQI
67AQI
16th February 2025
45AQI
45AQI
17th February 2025
66AQI
66AQI
18th February 2025
78AQI
78AQI
19th February 2025
71AQI
71AQI
20th February 2025
67AQI
67AQI
21st February 2025
61AQI
61AQI
22nd February 2025
46AQI
46AQI
23rd February 2025
55AQI
55AQI
24th February 2025
51AQI
51AQI
25th February 2025
57AQI
57AQI
26th February 2025
69AQI
69AQI
27th February 2025
64AQI
64AQI
28th February 2025
57AQI
57AQI
1st March 2025
56AQI
56AQI
2nd March 2025
55AQI
55AQI
3rd March 2025
59AQI
59AQI
4th March 2025
50AQI
50AQI
5th March 2025
49AQI
49AQI
6th March 2025
31AQI
31AQI
7th March 2025
42AQI
42AQI
8th March 2025
42AQI
42AQI
9th March 2025
61AQI
61AQI
10th March 2025
61AQI
61AQI
11th March 2025
59AQI
59AQI
12th March 2025
48AQI
48AQI
13th March 2025
46AQI
46AQI
14th March 2025
39AQI
39AQI
15th March 2025
53AQI
53AQI
16th March 2025
46AQI
46AQI
17th March 2025
67AQI
67AQI
18th March 2025
71AQI
71AQI
19th March 2025
86AQI
86AQI
20th March 2025
78AQI
78AQI
21st March 2025
85AQI
85AQI
22nd March 2025
77AQI
77AQI
23rd March 2025
75AQI
75AQI
24th March 2025
74AQI
74AQI
25th March 2025
79AQI
79AQI
26th March 2025
70AQI
70AQI
27th March 2025
68AQI
68AQI
28th March 2025
61AQI
61AQI
29th March 2025
50AQI
50AQI
30th March 2025
37AQI
37AQI
31st March 2025
35AQI
35AQI
1st April 2025
38AQI
38AQI
2nd April 2025
63AQI
63AQI
3rd April 2025
58AQI
58AQI
4th April 2025
58AQI
58AQI
5th April 2025
63AQI
63AQI
6th April 2025
47AQI
47AQI
7th April 2025
64AQI
64AQI
8th April 2025
56AQI
56AQI
9th April 2025
62AQI
62AQI
10th April 2025
62AQI
62AQI
11th April 2025
61AQI
61AQI
12th April 2025
63AQI
63AQI
13th April 2025
131AQI
131AQI
14th April 2025
132AQI
132AQI
15th April 2025
123AQI
123AQI
16th April 2025
100AQI
100AQI
17th April 2025
91AQI
91AQI
18th April 2025
76AQI
76AQI
19th April 2025
62AQI
62AQI
20th April 2025
61AQI
61AQI
21st April 2025
57AQI
57AQI
22nd April 2025
63AQI
63AQI
23rd April 2025
54AQI
54AQI
24th April 2025
60AQI
60AQI
25th April 2025
53AQI
53AQI
26th April 2025
53AQI
53AQI
27th April 2025
48AQI
48AQI
28th April 2025
54AQI
54AQI
29th April 2025
56AQI
56AQI
30th April 2025
53AQI
53AQI
1st May 2025
52AQI
52AQI
2nd May 2025
57AQI
57AQI
3rd May 2025
59AQI
59AQI
4th May 2025
59AQI
59AQI
5th May 2025
52AQI
52AQI
6th May 2025
58AQI
58AQI
7th May 2025
57AQI
57AQI
8th May 2025
54AQI
54AQI
9th May 2025
53AQI
53AQI
10th May 2025
48AQI
48AQI
11th May 2025
54AQI
54AQI
12th May 2025
61AQI
61AQI
13th May 2025
56AQI
56AQI
14th May 2025
46AQI
46AQI
15th May 2025
36AQI
36AQI
16th May 2025
36AQI
36AQI
17th May 2025
37AQI
37AQI
18th May 2025
39AQI
39AQI
19th May 2025
39AQI
39AQI
20th May 2025
42AQI
42AQI
21st May 2025
47AQI
47AQI
22nd May 2025
38AQI
38AQI
23rd May 2025
36AQI
36AQI
24th May 2025
35AQI
35AQI
25th May 2025
47AQI
47AQI
26th May 2025
68AQI
68AQI
27th May 2025
54AQI
54AQI
28th May 2025
50AQI
50AQI
29th May 2025
48AQI
48AQI
30th May 2025
48AQI
48AQI
31st May 2025
39AQI
39AQI
1st June 2025
45AQI
45AQI
2nd June 2025
43AQI
43AQI
3rd June 2025
51AQI
51AQI
4th June 2025
54AQI
54AQI
5th June 2025
45AQI
45AQI
6th June 2025
41AQI
41AQI
7th June 2025
48AQI
48AQI
8th June 2025
51AQI
51AQI
9th June 2025
54AQI
54AQI
10th June 2025
54AQI
54AQI
11th June 2025
44AQI
44AQI
12th June 2025
30AQI
30AQI
13th June 2025
32AQI
32AQI
14th June 2025
33AQI
33AQI
15th June 2025
36AQI
36AQI
16th June 2025
40AQI
40AQI
17th June 2025
43AQI
43AQI
18th June 2025
38AQI
38AQI
19th June 2025
38AQI
38AQI
20th June 2025
35AQI
35AQI
21st June 2025
34AQI
34AQI
22nd June 2025
38AQI
38AQI
23rd June 2025
35AQI
35AQI
24th June 2025
31AQI
31AQI
25th June 2025
32AQI
32AQI
26th June 2025
29AQI
29AQI
27th June 2025
28AQI
28AQI
28th June 2025
28AQI
28AQI
29th June 2025
29AQI
29AQI
30th June 2025
28AQI
28AQI
1st July 2025
30AQI
30AQI
2nd July 2025
27AQI
27AQI
3rd July 2025
27AQI
27AQI
4th July 2025
29AQI
29AQI
5th July 2025
31AQI
31AQI
6th July 2025
35AQI
35AQI
7th July 2025
34AQI
34AQI
8th July 2025
39AQI
39AQI
9th July 2025
40AQI
40AQI
10th July 2025
45AQI
45AQI
11th July 2025
48AQI
48AQI
12th July 2025
46AQI
46AQI
13th July 2025
48AQI
48AQI
14th July 2025
47AQI
47AQI
15th July 2025
51AQI
51AQI
16th July 2025
50AQI
50AQI
17th July 2025
49AQI
49AQI
18th July 2025
50AQI
50AQI
19th July 2025
43AQI
43AQI
20th July 2025
37AQI
37AQI
21st July 2025
34AQI
34AQI
22nd July 2025
35AQI
35AQI
23rd July 2025
34AQI
34AQI
24th July 2025
36AQI
36AQI
25th July 2025
40AQI
40AQI
26th July 2025
39AQI
39AQI
27th July 2025
40AQI
40AQI
28th July 2025
36AQI
36AQI
29th July 2025
37AQI
37AQI
30th July 2025
38AQI
38AQI
31st July 2025
47AQI
47AQI
1st August 2025
54AQI
54AQI
2nd August 2025
52AQI
52AQI
3rd August 2025
54AQI
54AQI
4th August 2025
56AQI
56AQI
88AQI
60AQI
58AQI
67AQI
49AQI
39AQI
39AQI
54AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202557AQI
24
7
4
24
12
19
3
24
3
17
14
25
5
30
1
4
91
115
10
Highest AQI recorded in
January88AQI
Lowest AQI recorded in
June39AQI
202452AQI
13
8
12
3
2
8
14
7
11
20
3
28
2
31
31
22
7
10
15
5
1
2
28
26
5
184
117
12
1
Highest AQI recorded in
December84AQI
Lowest AQI recorded in
July30AQI
202360AQI
2
8
1
2
10
1
1
1
2
1
5
2
8
1
5
3
7
21
2
28
52
3
Highest AQI recorded in
November81AQI
Lowest AQI recorded in
July21AQI
202246AQI
11
18
13
8
14
17
10
8
29
2
26
3
17
1
4
4
1
13
9
3
19
3
1
5
7
1
162
79
6
Highest AQI recorded in
December63AQI
Lowest AQI recorded in
July28AQI
202150AQI
1
23
6
1
10
17
1
15
15
1
22
8
29
2
23
7
29
2
29
2
24
6
23
8
10
19
1
2
28
1
217
137
10
1
Highest AQI recorded in
January85AQI
Lowest AQI recorded in
August34AQI
202047AQI
9
1
9
4
13
4
28
25
3
1
26
5
25
5
14
16
1
8
17
5
3
17
11
160
72
18
Highest AQI recorded in
December85AQI
Lowest AQI recorded in
June28AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
60AQILeast Polluted Year Recorded
2022(Avg.)
46AQIWater Company Station's annual 2025 AQI (57) shows an average percentage change of 13.06% (worsened AQI) compared to previous years: 2020 (47), 2021 (50), 2022 (46), 2023 (60), 2024 (52).
