Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Basuo, 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

Basuo, Hainan, China

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
3rd Aug 2025
56AQI
Lowest AQI recorded on
31st Aug 2022
16AQI

Same Day Analysis (18th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 32 of Good air quality, showing improvement over 2024 and 2023 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 19th Aug - 20th Aug 2025

Basuo, Hainan, China

AQI
Day
Night
.

6 AM19th Aug 2025

7 PM

5 AM20th Aug 2025

Day time
Avg. Highest Time
12AMNaNth undefined

AQI

Avg. Lowest Time
12AMNaNth undefined

AQI

Night time
Avg. Highest Time
6AM19th Aug

34AQI

Avg. Lowest Time
8AM19th Aug

19AQI

In the last 24 hours,

Basuo's AQI reached its highest point of 34 at 6 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 19th Aug and 20th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Basuo, Hainan, China

JulAug
21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th
Day
Night
21st Jul 2025386 AMAQI
21st Jul 2025387 AMAQI
21st Jul 2025268 AMAQI
21st Jul 2025259 AMAQI
21st Jul 20252310 AMAQI
21st Jul 20252211 AMAQI
21st Jul 20252312 PMAQI
21st Jul 2025221 PMAQI
21st Jul 2025212 PMAQI
21st Jul 2025203 PMAQI
21st Jul 2025204 PMAQI
21st Jul 2025225 PMAQI
21st Jul 2025196 PMAQI
21st Jul 2025257 PMAQI
21st Jul 2025328 PMAQI
21st Jul 2025329 PMAQI
21st Jul 20253410 PMAQI
21st Jul 20253211 PMAQI
22nd Jul 20253012 AMAQI
22nd Jul 2025351 AMAQI
22nd Jul 2025402 AMAQI
22nd Jul 2025393 AMAQI
22nd Jul 2025384 AMAQI
22nd Jul 2025375 AMAQI

26°C26/26°C

22nd Jul 2025366 AMAQI
22nd Jul 2025367 AMAQI
22nd Jul 2025248 AMAQI
22nd Jul 2025209 AMAQI
22nd Jul 20252110 AMAQI
22nd Jul 20252011 AMAQI
22nd Jul 20252112 PMAQI
22nd Jul 2025211 PMAQI
22nd Jul 2025192 PMAQI
22nd Jul 2025203 PMAQI
22nd Jul 2025204 PMAQI
22nd Jul 2025195 PMAQI
22nd Jul 2025196 PMAQI
22nd Jul 2025237 PMAQI
22nd Jul 2025298 PMAQI
22nd Jul 2025299 PMAQI
22nd Jul 20252910 PMAQI
22nd Jul 20252811 PMAQI
23rd Jul 20252812 AMAQI
23rd Jul 2025341 AMAQI
23rd Jul 2025382 AMAQI
23rd Jul 2025363 AMAQI
23rd Jul 2025344 AMAQI
23rd Jul 2025335 AMAQI

28°C27/29°C

23rd Jul 2025346 AMAQI
23rd Jul 2025337 AMAQI
23rd Jul 2025238 AMAQI
23rd Jul 2025199 AMAQI
23rd Jul 20251910 AMAQI
23rd Jul 20251911 AMAQI
23rd Jul 20251912 PMAQI
23rd Jul 2025201 PMAQI
23rd Jul 2025182 PMAQI
23rd Jul 2025183 PMAQI
23rd Jul 2025164 PMAQI
23rd Jul 2025185 PMAQI
23rd Jul 2025196 PMAQI
23rd Jul 2025227 PMAQI
23rd Jul 2025288 PMAQI
23rd Jul 2025299 PMAQI
23rd Jul 20252810 PMAQI
23rd Jul 20252711 PMAQI
24th Jul 20252712 AMAQI
24th Jul 2025271 AMAQI
24th Jul 2025272 AMAQI
24th Jul 2025273 AMAQI
24th Jul 2025374 AMAQI
24th Jul 2025405 AMAQI

28°C27/29°C

24th Jul 2025406 AMAQI
24th Jul 2025397 AMAQI
24th Jul 2025488 AMAQI
24th Jul 2025379 AMAQI
24th Jul 20251910 AMAQI
24th Jul 20251811 AMAQI
24th Jul 20251912 PMAQI
24th Jul 2025171 PMAQI
24th Jul 2025192 PMAQI
24th Jul 2025293 PMAQI
24th Jul 2025194 PMAQI
24th Jul 2025185 PMAQI
24th Jul 2025186 PMAQI
24th Jul 2025217 PMAQI
24th Jul 2025278 PMAQI
24th Jul 2025299 PMAQI
24th Jul 20252910 PMAQI
24th Jul 20253011 PMAQI
25th Jul 20253012 AMAQI
25th Jul 2025281 AMAQI
25th Jul 2025322 AMAQI
25th Jul 2025323 AMAQI
25th Jul 2025324 AMAQI
25th Jul 2025315 AMAQI

28°C26/30°C

25th Jul 2025326 AMAQI
25th Jul 2025327 AMAQI
25th Jul 2025238 AMAQI
25th Jul 2025219 AMAQI
25th Jul 20252110 AMAQI
25th Jul 20252111 AMAQI
25th Jul 20252212 PMAQI
25th Jul 2025201 PMAQI
25th Jul 2025202 PMAQI
25th Jul 2025193 PMAQI
25th Jul 2025194 PMAQI
25th Jul 2025295 PMAQI
25th Jul 2025346 PMAQI
25th Jul 2025387 PMAQI
25th Jul 2025378 PMAQI
25th Jul 2025389 PMAQI
25th Jul 20253910 PMAQI
25th Jul 20253711 PMAQI
26th Jul 20254012 AMAQI
26th Jul 2025371 AMAQI
26th Jul 2025402 AMAQI
26th Jul 2025403 AMAQI
26th Jul 2025404 AMAQI
26th Jul 2025405 AMAQI

27°C26/29°C

26th Jul 2025396 AMAQI
26th Jul 2025377 AMAQI
26th Jul 2025238 AMAQI
26th Jul 2025219 AMAQI
26th Jul 20252110 AMAQI
26th Jul 20252011 AMAQI
26th Jul 20252012 PMAQI
26th Jul 2025221 PMAQI
26th Jul 2025222 PMAQI
26th Jul 2025223 PMAQI
26th Jul 2025224 PMAQI
26th Jul 2025215 PMAQI
26th Jul 2025216 PMAQI
26th Jul 2025257 PMAQI
26th Jul 2025308 PMAQI
26th Jul 2025309 PMAQI
26th Jul 20253010 PMAQI
26th Jul 20253011 PMAQI
27th Jul 20252912 AMAQI
27th Jul 2025331 AMAQI
27th Jul 2025402 AMAQI
27th Jul 2025393 AMAQI
27th Jul 2025354 AMAQI
27th Jul 2025355 AMAQI

28°C26/30°C

27th Jul 2025366 AMAQI
27th Jul 2025357 AMAQI
27th Jul 2025298 AMAQI
27th Jul 2025259 AMAQI
27th Jul 20252610 AMAQI
27th Jul 20252411 AMAQI
27th Jul 20252312 PMAQI
27th Jul 2025241 PMAQI
27th Jul 2025222 PMAQI
27th Jul 2025233 PMAQI
27th Jul 2025224 PMAQI
27th Jul 2025215 PMAQI
27th Jul 2025226 PMAQI
27th Jul 2025247 PMAQI
27th Jul 2025268 PMAQI
27th Jul 2025279 PMAQI
27th Jul 20252910 PMAQI
27th Jul 20252811 PMAQI
28th Jul 20252712 AMAQI
28th Jul 2025311 AMAQI
28th Jul 2025362 AMAQI
28th Jul 2025353 AMAQI
28th Jul 2025354 AMAQI
28th Jul 2025345 AMAQI

28°C27/30°C

28th Jul 2025346 AMAQI
28th Jul 2025347 AMAQI
28th Jul 2025238 AMAQI
28th Jul 2025209 AMAQI
28th Jul 20251810 AMAQI
28th Jul 20252111 AMAQI
28th Jul 20252012 PMAQI
28th Jul 2025201 PMAQI
28th Jul 2025172 PMAQI
28th Jul 2025193 PMAQI
28th Jul 2025204 PMAQI
28th Jul 2025205 PMAQI
28th Jul 2025216 PMAQI
28th Jul 2025227 PMAQI
28th Jul 2025258 PMAQI
28th Jul 2025279 PMAQI
28th Jul 20252710 PMAQI
28th Jul 20252811 PMAQI
29th Jul 20252812 AMAQI
29th Jul 2025331 AMAQI
29th Jul 2025372 AMAQI
29th Jul 2025343 AMAQI
29th Jul 2025324 AMAQI
29th Jul 2025315 AMAQI

28°C27/29°C

29th Jul 2025316 AMAQI
29th Jul 2025307 AMAQI
29th Jul 2025248 AMAQI
29th Jul 2025209 AMAQI
29th Jul 20252210 AMAQI
29th Jul 20252511 AMAQI
29th Jul 20252512 PMAQI
29th Jul 2025201 PMAQI
29th Jul 2025202 PMAQI
29th Jul 2025193 PMAQI
29th Jul 2025204 PMAQI
29th Jul 2025205 PMAQI
29th Jul 2025206 PMAQI
29th Jul 2025247 PMAQI
29th Jul 2025288 PMAQI
29th Jul 2025289 PMAQI
29th Jul 20253010 PMAQI
29th Jul 20252611 PMAQI
30th Jul 20252612 AMAQI
30th Jul 2025271 AMAQI
30th Jul 2025272 AMAQI
30th Jul 2025283 AMAQI
30th Jul 2025294 AMAQI
30th Jul 2025345 AMAQI

29°C27/30°C

30th Jul 2025366 AMAQI
30th Jul 2025377 AMAQI
30th Jul 2025418 AMAQI
30th Jul 2025409 AMAQI
30th Jul 20253710 AMAQI
30th Jul 20253311 AMAQI
30th Jul 20253212 PMAQI
30th Jul 2025381 PMAQI
30th Jul 2025402 PMAQI
30th Jul 2025423 PMAQI
30th Jul 2025374 PMAQI
30th Jul 2025335 PMAQI
30th Jul 2025376 PMAQI
30th Jul 2025367 PMAQI
30th Jul 2025258 PMAQI
30th Jul 2025249 PMAQI
30th Jul 20252510 PMAQI
30th Jul 20252411 PMAQI
31st Jul 20253912 AMAQI
31st Jul 2025371 AMAQI
31st Jul 2025402 AMAQI
31st Jul 2025403 AMAQI
31st Jul 2025404 AMAQI
31st Jul 2025405 AMAQI

29°C28/29°C

31st Jul 2025406 AMAQI
31st Jul 2025407 AMAQI
31st Jul 2025408 AMAQI
31st Jul 2025409 AMAQI
31st Jul 20254810 AMAQI
31st Jul 20253311 AMAQI
31st Jul 20252712 PMAQI
31st Jul 2025281 PMAQI
31st Jul 2025262 PMAQI
31st Jul 2025273 PMAQI
31st Jul 2025264 PMAQI
31st Jul 2025275 PMAQI
31st Jul 2025486 PMAQI
31st Jul 2025487 PMAQI
31st Jul 2025528 PMAQI
31st Jul 2025549 PMAQI
31st Jul 20255610 PMAQI
31st Jul 20255611 PMAQI
1st Aug 20255812 AMAQI
1st Aug 2025571 AMAQI
1st Aug 2025562 AMAQI
1st Aug 2025543 AMAQI
1st Aug 2025544 AMAQI
1st Aug 2025555 AMAQI

29°C28/30°C

1st Aug 2025556 AMAQI
1st Aug 2025557 AMAQI
1st Aug 2025518 AMAQI
1st Aug 2025519 AMAQI
1st Aug 20254910 AMAQI
1st Aug 20255211 AMAQI
1st Aug 20255412 PMAQI
1st Aug 2025511 PMAQI
1st Aug 2025522 PMAQI
1st Aug 2025513 PMAQI
1st Aug 2025534 PMAQI
1st Aug 2025495 PMAQI
1st Aug 2025516 PMAQI
1st Aug 2025527 PMAQI
1st Aug 2025548 PMAQI
1st Aug 2025549 PMAQI
1st Aug 20255610 PMAQI
1st Aug 20255711 PMAQI
2nd Aug 20255612 AMAQI
2nd Aug 2025551 AMAQI
2nd Aug 2025552 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025554 AMAQI
2nd Aug 2025555 AMAQI

29°C28/30°C

2nd Aug 2025556 AMAQI
2nd Aug 2025557 AMAQI
2nd Aug 2025478 AMAQI
2nd Aug 2025439 AMAQI
2nd Aug 20254310 AMAQI
2nd Aug 20254511 AMAQI
2nd Aug 20254912 PMAQI
2nd Aug 2025471 PMAQI
2nd Aug 2025522 PMAQI
2nd Aug 2025553 PMAQI
2nd Aug 2025544 PMAQI
2nd Aug 2025605 PMAQI
2nd Aug 2025626 PMAQI
2nd Aug 2025597 PMAQI
2nd Aug 2025588 PMAQI
2nd Aug 2025589 PMAQI
2nd Aug 20255910 PMAQI
2nd Aug 20256011 PMAQI
3rd Aug 20255812 AMAQI
3rd Aug 2025561 AMAQI
3rd Aug 2025562 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025554 AMAQI
3rd Aug 2025555 AMAQI

29°C28/31°C

3rd Aug 2025556 AMAQI
3rd Aug 2025557 AMAQI
3rd Aug 2025568 AMAQI
3rd Aug 2025629 AMAQI
3rd Aug 20256110 AMAQI
3rd Aug 20256111 AMAQI
3rd Aug 20256112 PMAQI
3rd Aug 2025591 PMAQI
3rd Aug 2025522 PMAQI
3rd Aug 2025493 PMAQI
3rd Aug 2025484 PMAQI
3rd Aug 2025515 PMAQI
3rd Aug 2025476 PMAQI
3rd Aug 2025567 PMAQI
3rd Aug 2025568 PMAQI
3rd Aug 2025579 PMAQI
3rd Aug 20255710 PMAQI
3rd Aug 20255711 PMAQI
4th Aug 20255612 AMAQI
4th Aug 2025561 AMAQI
4th Aug 2025562 AMAQI
4th Aug 2025573 AMAQI
4th Aug 2025574 AMAQI
4th Aug 2025565 AMAQI

30°C29/31°C

4th Aug 2025576 AMAQI
4th Aug 2025577 AMAQI
4th Aug 2025548 AMAQI
4th Aug 2025489 AMAQI
4th Aug 20256010 AMAQI
4th Aug 20255811 AMAQI
4th Aug 20255012 PMAQI
4th Aug 2025521 PMAQI
4th Aug 2025492 PMAQI
4th Aug 2025523 PMAQI
4th Aug 2025504 PMAQI
4th Aug 2025455 PMAQI
4th Aug 2025486 PMAQI
4th Aug 2025537 PMAQI
4th Aug 2025548 PMAQI
4th Aug 2025559 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20255411 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025561 AMAQI
5th Aug 2025572 AMAQI
5th Aug 2025563 AMAQI
5th Aug 2025564 AMAQI
5th Aug 2025565 AMAQI

30°C29/31°C

5th Aug 2025566 AMAQI
5th Aug 2025567 AMAQI
5th Aug 2025488 AMAQI
5th Aug 2025419 AMAQI
5th Aug 20255210 AMAQI
5th Aug 20255011 AMAQI
5th Aug 20255012 PMAQI
5th Aug 2025541 PMAQI
5th Aug 2025452 PMAQI
5th Aug 2025503 PMAQI
5th Aug 2025474 PMAQI
5th Aug 2025415 PMAQI
5th Aug 2025396 PMAQI
5th Aug 2025497 PMAQI
5th Aug 2025518 PMAQI
5th Aug 2025539 PMAQI
5th Aug 20255410 PMAQI
5th Aug 20255511 PMAQI
6th Aug 20255412 AMAQI
6th Aug 2025561 AMAQI
6th Aug 2025562 AMAQI
6th Aug 2025563 AMAQI
6th Aug 2025564 AMAQI
6th Aug 2025565 AMAQI

30°C28/31°C

6th Aug 2025566 AMAQI
6th Aug 2025557 AMAQI
6th Aug 2025458 AMAQI
6th Aug 2025469 AMAQI
6th Aug 20255010 AMAQI
6th Aug 20255311 AMAQI
6th Aug 20255112 PMAQI
6th Aug 2025481 PMAQI
6th Aug 2025372 PMAQI
6th Aug 2025433 PMAQI
6th Aug 2025444 PMAQI
6th Aug 2025455 PMAQI
6th Aug 2025426 PMAQI
6th Aug 2025497 PMAQI
6th Aug 2025528 PMAQI
6th Aug 2025539 PMAQI
6th Aug 20255410 PMAQI
6th Aug 20255411 PMAQI
7th Aug 20255312 AMAQI
7th Aug 2025551 AMAQI
7th Aug 2025552 AMAQI
7th Aug 2025553 AMAQI
7th Aug 2025554 AMAQI
7th Aug 2025545 AMAQI

30°C28/32°C

7th Aug 2025556 AMAQI
7th Aug 2025557 AMAQI
7th Aug 2025368 AMAQI
7th Aug 2025379 AMAQI
7th Aug 20253710 AMAQI
7th Aug 20254411 AMAQI
7th Aug 20254812 PMAQI
7th Aug 2025421 PMAQI
7th Aug 2025462 PMAQI
7th Aug 2025473 PMAQI
7th Aug 2025464 PMAQI
7th Aug 2025405 PMAQI
7th Aug 2025476 PMAQI
7th Aug 2025507 PMAQI
7th Aug 2025528 PMAQI
7th Aug 2025529 PMAQI
7th Aug 20255310 PMAQI
7th Aug 20255411 PMAQI
8th Aug 20255412 AMAQI
8th Aug 2025541 AMAQI
8th Aug 2025542 AMAQI
8th Aug 2025543 AMAQI
8th Aug 2025534 AMAQI
8th Aug 2025535 AMAQI

29°C27/32°C

8th Aug 2025536 AMAQI
8th Aug 2025537 AMAQI
8th Aug 2025518 AMAQI
8th Aug 2025459 AMAQI
8th Aug 20254710 AMAQI
8th Aug 20254211 AMAQI
8th Aug 20253612 PMAQI
8th Aug 2025371 PMAQI
8th Aug 2025412 PMAQI
8th Aug 2025323 PMAQI
8th Aug 2025334 PMAQI
8th Aug 2025325 PMAQI
8th Aug 2025296 PMAQI
8th Aug 2025347 PMAQI
8th Aug 2025468 PMAQI
8th Aug 2025519 PMAQI
8th Aug 20255210 PMAQI
8th Aug 20255111 PMAQI
9th Aug 20255112 AMAQI
9th Aug 2025511 AMAQI
9th Aug 2025542 AMAQI
9th Aug 2025533 AMAQI
9th Aug 2025534 AMAQI
9th Aug 2025525 AMAQI

29°C27/32°C

9th Aug 2025536 AMAQI
9th Aug 2025527 AMAQI
9th Aug 2025408 AMAQI
9th Aug 2025459 AMAQI
9th Aug 20254010 AMAQI
9th Aug 20253911 AMAQI
9th Aug 20253812 PMAQI
9th Aug 2025301 PMAQI
9th Aug 2025292 PMAQI
9th Aug 2025263 PMAQI
9th Aug 2025264 PMAQI
9th Aug 2025275 PMAQI
9th Aug 2025336 PMAQI
9th Aug 2025417 PMAQI
9th Aug 2025478 PMAQI
9th Aug 2025509 PMAQI
9th Aug 20254810 PMAQI
9th Aug 20254711 PMAQI
10th Aug 20254812 AMAQI
10th Aug 2025521 AMAQI
10th Aug 2025532 AMAQI
10th Aug 2025523 AMAQI
10th Aug 2025504 AMAQI
10th Aug 2025505 AMAQI

29°C27/32°C

10th Aug 2025506 AMAQI
10th Aug 2025507 AMAQI
10th Aug 2025438 AMAQI
10th Aug 2025379 AMAQI
10th Aug 20253510 AMAQI
10th Aug 20253311 AMAQI
10th Aug 20253012 PMAQI
10th Aug 2025281 PMAQI
10th Aug 2025262 PMAQI
10th Aug 2025283 PMAQI
10th Aug 2025284 PMAQI
10th Aug 2025265 PMAQI
10th Aug 2025276 PMAQI
10th Aug 2025457 PMAQI
10th Aug 2025558 PMAQI
10th Aug 2025559 PMAQI
10th Aug 20255410 PMAQI
10th Aug 20255211 PMAQI
11th Aug 20255112 AMAQI
11th Aug 2025501 AMAQI
11th Aug 2025532 AMAQI
11th Aug 2025523 AMAQI
11th Aug 2025524 AMAQI
11th Aug 2025525 AMAQI

29°C27/32°C

11th Aug 2025536 AMAQI
11th Aug 2025517 AMAQI
11th Aug 2025348 AMAQI
11th Aug 2025369 AMAQI
11th Aug 20253210 AMAQI
11th Aug 20252311 AMAQI
11th Aug 20252112 PMAQI
11th Aug 2025221 PMAQI
11th Aug 2025272 PMAQI
11th Aug 2025293 PMAQI
11th Aug 2025314 PMAQI
11th Aug 2025385 PMAQI
11th Aug 2025386 PMAQI
11th Aug 2025437 PMAQI
11th Aug 2025438 PMAQI
11th Aug 2025439 PMAQI
11th Aug 20254810 PMAQI
11th Aug 20254611 PMAQI
12th Aug 20254712 AMAQI
12th Aug 2025501 AMAQI
12th Aug 2025512 AMAQI
12th Aug 2025513 AMAQI
12th Aug 2025514 AMAQI
12th Aug 2025515 AMAQI

29°C27/32°C

12th Aug 2025506 AMAQI
12th Aug 2025507 AMAQI
12th Aug 2025318 AMAQI
12th Aug 2025349 AMAQI
12th Aug 20254110 AMAQI
12th Aug 20253811 AMAQI
12th Aug 20253312 PMAQI
12th Aug 2025301 PMAQI
12th Aug 2025342 PMAQI
12th Aug 2025353 PMAQI
12th Aug 2025374 PMAQI
12th Aug 2025385 PMAQI
12th Aug 2025436 PMAQI
12th Aug 2025447 PMAQI
12th Aug 2025458 PMAQI
12th Aug 2025459 PMAQI
12th Aug 20254410 PMAQI
12th Aug 20254111 PMAQI
13th Aug 20254112 AMAQI
13th Aug 2025461 AMAQI
13th Aug 2025492 AMAQI
13th Aug 2025473 AMAQI
13th Aug 2025474 AMAQI
13th Aug 2025465 AMAQI

29°C27/32°C

13th Aug 2025476 AMAQI
13th Aug 2025487 AMAQI
13th Aug 2025368 AMAQI
13th Aug 2025369 AMAQI
13th Aug 20253710 AMAQI
13th Aug 20253011 AMAQI
13th Aug 20253212 PMAQI
13th Aug 2025421 PMAQI
13th Aug 2025382 PMAQI
13th Aug 2025443 PMAQI
13th Aug 2025394 PMAQI
13th Aug 2025295 PMAQI
13th Aug 2025286 PMAQI
13th Aug 2025327 PMAQI
13th Aug 2025368 PMAQI
13th Aug 2025389 PMAQI
13th Aug 20253910 PMAQI
13th Aug 20253811 PMAQI
14th Aug 20253712 AMAQI
14th Aug 2025361 AMAQI
14th Aug 2025372 AMAQI
14th Aug 2025453 AMAQI
14th Aug 2025444 AMAQI
14th Aug 2025445 AMAQI

29°C27/31°C

14th Aug 2025456 AMAQI
14th Aug 2025447 AMAQI
14th Aug 2025258 AMAQI
14th Aug 2025259 AMAQI
14th Aug 20252510 AMAQI
14th Aug 20252411 AMAQI
14th Aug 20252512 PMAQI
14th Aug 2025241 PMAQI
14th Aug 2025272 PMAQI
14th Aug 2025273 PMAQI
14th Aug 2025354 PMAQI
14th Aug 2025315 PMAQI
14th Aug 2025386 PMAQI
14th Aug 2025417 PMAQI
14th Aug 2025398 PMAQI
14th Aug 2025459 PMAQI
14th Aug 20254210 PMAQI
14th Aug 20254611 PMAQI
15th Aug 20253712 AMAQI
15th Aug 2025451 AMAQI
15th Aug 2025432 AMAQI
15th Aug 2025433 AMAQI
15th Aug 2025394 AMAQI
15th Aug 2025395 AMAQI

29°C27/31°C

15th Aug 2025406 AMAQI
15th Aug 2025397 AMAQI
15th Aug 2025328 AMAQI
15th Aug 2025259 AMAQI
15th Aug 20252510 AMAQI
15th Aug 20252111 AMAQI
15th Aug 20252412 PMAQI
15th Aug 2025261 PMAQI
15th Aug 2025262 PMAQI
15th Aug 2025213 PMAQI
15th Aug 2025284 PMAQI
15th Aug 2025285 PMAQI
15th Aug 2025366 PMAQI
15th Aug 2025357 PMAQI
15th Aug 2025328 PMAQI
15th Aug 2025379 PMAQI
15th Aug 20253710 PMAQI
15th Aug 20253811 PMAQI
16th Aug 20253812 AMAQI
16th Aug 2025441 AMAQI
16th Aug 2025432 AMAQI
16th Aug 2025423 AMAQI
16th Aug 2025414 AMAQI
16th Aug 2025405 AMAQI

28°C27/30°C

16th Aug 2025406 AMAQI
16th Aug 2025407 AMAQI
16th Aug 2025328 AMAQI
16th Aug 2025259 AMAQI
16th Aug 20253210 AMAQI
16th Aug 20252711 AMAQI
16th Aug 20252912 PMAQI
16th Aug 2025251 PMAQI
16th Aug 2025162 PMAQI
16th Aug 2025163 PMAQI
16th Aug 2025174 PMAQI
16th Aug 2025215 PMAQI
16th Aug 2025226 PMAQI
16th Aug 2025257 PMAQI
16th Aug 2025338 PMAQI
16th Aug 2025329 PMAQI
16th Aug 20253210 PMAQI
16th Aug 20253511 PMAQI
17th Aug 20253612 AMAQI
17th Aug 2025341 AMAQI
17th Aug 2025362 AMAQI
17th Aug 2025353 AMAQI
17th Aug 2025364 AMAQI
17th Aug 2025425 AMAQI

28°C26/31°C

17th Aug 2025396 AMAQI
17th Aug 2025377 AMAQI
17th Aug 2025258 AMAQI
17th Aug 2025209 AMAQI
17th Aug 20252310 AMAQI
17th Aug 20251811 AMAQI
17th Aug 20252312 PMAQI
17th Aug 2025351 PMAQI
17th Aug 2025302 PMAQI
17th Aug 2025253 PMAQI
17th Aug 2025234 PMAQI
17th Aug 2025225 PMAQI
17th Aug 2025236 PMAQI
17th Aug 2025307 PMAQI
17th Aug 2025298 PMAQI
17th Aug 2025309 PMAQI
17th Aug 20253210 PMAQI
17th Aug 20253311 PMAQI
18th Aug 20253212 AMAQI
18th Aug 2025381 AMAQI
18th Aug 2025402 AMAQI
18th Aug 2025403 AMAQI
18th Aug 2025404 AMAQI
18th Aug 2025415 AMAQI

27°C26/29°C

18th Aug 2025346 AMAQI
18th Aug 2025347 AMAQI
18th Aug 2025228 AMAQI
18th Aug 2025249 AMAQI
18th Aug 20252410 AMAQI
18th Aug 20252311 AMAQI
18th Aug 20252312 PMAQI
18th Aug 2025211 PMAQI
18th Aug 2025262 PMAQI
18th Aug 2025273 PMAQI
18th Aug 2025214 PMAQI
18th Aug 2025215 PMAQI
18th Aug 2025216 PMAQI
18th Aug 2025257 PMAQI
18th Aug 2025298 PMAQI
18th Aug 2025299 PMAQI
18th Aug 20252910 PMAQI
18th Aug 20253011 PMAQI
19th Aug 20253412 AMAQI
19th Aug 2025391 AMAQI
19th Aug 2025372 AMAQI
19th Aug 2025383 AMAQI
19th Aug 2025364 AMAQI
19th Aug 2025365 AMAQI

27°C26/29°C

19th Aug 2025346 AMAQI
19th Aug 2025347 AMAQI
19th Aug 2025198 AMAQI
19th Aug 2025229 AMAQI
19th Aug 20252210 AMAQI
19th Aug 20252011 AMAQI
19th Aug 20252012 PMAQI
19th Aug 2025201 PMAQI
19th Aug 2025212 PMAQI
19th Aug 2025253 PMAQI
19th Aug 2025264 PMAQI
19th Aug 2025265 PMAQI
19th Aug 2025236 PMAQI
19th Aug 2025267 PMAQI
19th Aug 2025328 PMAQI
19th Aug 2025279 PMAQI
19th Aug 20253310 PMAQI
19th Aug 20252911 PMAQI
20th Aug 20252912 AMAQI

--°C/°C

6 AM
12 PM
7 PM
12 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
6 AM - 7 AM

44AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
11 AM - 5 PM

31AQI

7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 7 AM (Avg. 44), while the lowest AQI was between 11 AM to 5 PM (Avg. 31).
Night time
Avg. Highest Time
12 AM - 5 AM

44AQI

6 hours / Day
180 hours / Month
Avg. Lowest Time
8 PM - 11 PM

40AQI

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. 44), while the lowest AQI was between 8 PM to 11 PM (Avg. 40).

2025 Days Vs Air Quality

Basuo, Hainan, China

2025

45%

104

51%

117

4%

9

Total number of days with different AQI categories in last 231 days in 2025 (134 days remaining)

Good
104 Days
Moderate
117 Days
Poor
9 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 45%

Health Risk Level:

Significant

In 2025, 45% of 231 days were within WHO’s safe air quality limits, and 55% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.

Annual Air Quality Insights

Basuo, 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
105AQI
2nd January 2025
82AQI
3rd January 2025
96AQI
4th January 2025
93AQI
5th January 2025
110AQI
6th January 2025
100AQI
7th January 2025
89AQI
8th January 2025
91AQI
9th January 2025
102AQI
10th January 2025
96AQI
11th January 2025
90AQI
12th January 2025
91AQI
13th January 2025
78AQI
14th January 2025
78AQI
15th January 2025
89AQI
16th January 2025
94AQI
17th January 2025
101AQI
18th January 2025
90AQI
19th January 2025
102AQI
20th January 2025
106AQI
21st January 2025
95AQI
22nd January 2025
110AQI
23rd January 2025
94AQI
24th January 2025
72AQI
25th January 2025
73AQI
26th January 2025
55AQI
27th January 2025
66AQI
28th January 2025
70AQI
29th January 2025
75AQI
30th January 2025
67AQI
31st January 2025
63AQI
1st February 2025
50AQI
2nd February 2025
61AQI
3rd February 2025
59AQI
4th February 2025
52AQI
5th February 2025
50AQI
6th February 2025
62AQI
7th February 2025
60AQI
8th February 2025
56AQI
9th February 2025
65AQI
10th February 2025
60AQI
11th February 2025
61AQI
12th February 2025
59AQI
13th February 2025
63AQI
14th February 2025
54AQI
15th February 2025
76AQI
16th February 2025
57AQI
17th February 2025
79AQI
18th February 2025
65AQI
19th February 2025
87AQI
20th February 2025
69AQI
21st February 2025
65AQI
22nd February 2025
51AQI
23rd February 2025
44AQI
24th February 2025
38AQI
25th February 2025
39AQI
26th February 2025
51AQI
27th February 2025
61AQI
28th February 2025
54AQI
1st March 2025
60AQI
2nd March 2025
53AQI
3rd March 2025
63AQI
4th March 2025
58AQI
5th March 2025
72AQI
6th March 2025
39AQI
7th March 2025
48AQI
8th March 2025
33AQI
9th March 2025
59AQI
10th March 2025
59AQI
11th March 2025
59AQI
12th March 2025
49AQI
13th March 2025
48AQI
14th March 2025
44AQI
15th March 2025
55AQI
16th March 2025
53AQI
17th March 2025
68AQI
18th March 2025
64AQI
19th March 2025
78AQI
20th March 2025
74AQI
21st March 2025
86AQI
22nd March 2025
77AQI
23rd March 2025
77AQI
24th March 2025
75AQI
25th March 2025
73AQI
26th March 2025
65AQI
27th March 2025
68AQI
28th March 2025
72AQI
29th March 2025
55AQI
30th March 2025
42AQI
31st March 2025
38AQI
1st April 2025
43AQI
2nd April 2025
60AQI
3rd April 2025
62AQI
4th April 2025
59AQI
5th April 2025
63AQI
6th April 2025
52AQI
7th April 2025
58AQI
8th April 2025
54AQI
9th April 2025
64AQI
10th April 2025
64AQI
11th April 2025
71AQI
12th April 2025
63AQI
13th April 2025
107AQI
14th April 2025
104AQI
15th April 2025
88AQI
16th April 2025
80AQI
17th April 2025
77AQI
18th April 2025
68AQI
19th April 2025
58AQI
20th April 2025
60AQI
21st April 2025
58AQI
22nd April 2025
60AQI
23rd April 2025
53AQI
24th April 2025
59AQI
25th April 2025
58AQI
26th April 2025
56AQI
27th April 2025
55AQI
28th April 2025
55AQI
29th April 2025
44AQI
30th April 2025
52AQI
1st May 2025
50AQI
2nd May 2025
60AQI
3rd May 2025
60AQI
4th May 2025
62AQI
5th May 2025
52AQI
6th May 2025
60AQI
7th May 2025
62AQI
8th May 2025
58AQI
9th May 2025
57AQI
10th May 2025
51AQI
11th May 2025
54AQI
12th May 2025
60AQI
13th May 2025
59AQI
14th May 2025
51AQI
15th May 2025
41AQI
16th May 2025
38AQI
17th May 2025
40AQI
18th May 2025
41AQI
19th May 2025
40AQI
20th May 2025
40AQI
21st May 2025
40AQI
22nd May 2025
36AQI
23rd May 2025
38AQI
24th May 2025
39AQI
25th May 2025
42AQI
26th May 2025
53AQI
27th May 2025
48AQI
28th May 2025
42AQI
29th May 2025
40AQI
30th May 2025
43AQI
31st May 2025
38AQI
1st June 2025
40AQI
2nd June 2025
41AQI
3rd June 2025
43AQI
4th June 2025
46AQI
5th June 2025
46AQI
6th June 2025
45AQI
7th June 2025
42AQI
8th June 2025
45AQI
9th June 2025
50AQI
10th June 2025
51AQI
11th June 2025
46AQI
12th June 2025
37AQI
13th June 2025
40AQI
14th June 2025
38AQI
15th June 2025
39AQI
16th June 2025
39AQI
17th June 2025
41AQI
18th June 2025
35AQI
19th June 2025
36AQI
20th June 2025
35AQI
21st June 2025
37AQI
22nd June 2025
44AQI
23rd June 2025
37AQI
24th June 2025
38AQI
25th June 2025
36AQI
26th June 2025
34AQI
27th June 2025
33AQI
28th June 2025
30AQI
29th June 2025
29AQI
30th June 2025
28AQI
1st July 2025
32AQI
2nd July 2025
28AQI
3rd July 2025
26AQI
4th July 2025
25AQI
5th July 2025
26AQI
6th July 2025
26AQI
7th July 2025
26AQI
8th July 2025
29AQI
9th July 2025
35AQI
10th July 2025
36AQI
11th July 2025
43AQI
12th July 2025
38AQI
13th July 2025
39AQI
14th July 2025
44AQI
15th July 2025
43AQI
16th July 2025
39AQI
17th July 2025
38AQI
18th July 2025
38AQI
19th July 2025
35AQI
20th July 2025
32AQI
21st July 2025
30AQI
22nd July 2025
28AQI
23rd July 2025
26AQI
24th July 2025
28AQI
25th July 2025
30AQI
26th July 2025
30AQI
27th July 2025
29AQI
28th July 2025
26AQI
29th July 2025
27AQI
30th July 2025
32AQI
31st July 2025
41AQI
1st August 2025
54AQI
2nd August 2025
55AQI
3rd August 2025
56AQI
4th August 2025
54AQI
5th August 2025
51AQI
6th August 2025
51AQI
7th August 2025
49AQI
8th August 2025
46AQI
9th August 2025
44AQI
10th August 2025
43AQI
11th August 2025
42AQI
12th August 2025
43AQI
13th August 2025
40AQI
14th August 2025
37AQI
15th August 2025
34AQI
16th August 2025
32AQI
17th August 2025
31AQI
18th August 2025
32AQI

88AQI

59AQI

60AQI

64AQI

48AQI

39AQI

32AQI

44AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202555AQI

24
7
5
23
8
23
2
26
2
17
14
29
1
31
12
6
104
117
9

Highest AQI recorded in

January

88AQI

Lowest AQI recorded in

July

32AQI

202449AQI

2
20
3
13
1
9
11
2
1
17
1
17
6
29
1
31
31
28
1
20
11
20
10
24
7
191
114
11

Highest AQI recorded in

December

82AQI

Lowest AQI recorded in

July

31AQI

202353AQI

1
8
2
1
2
8
3
2
1
1
1
5
2
9
4
1
1
2
23
8
49
31
5

Highest AQI recorded in

March

81AQI

Lowest AQI recorded in

September

22AQI

202247AQI

5
23
1
13
8
1
8
22
1
10
19
1
28
3
30
20
1
6
4
11
14
17
6
4
8
1
153
107
5

Highest AQI recorded in

January

64AQI

Lowest AQI recorded in

August

16AQI

202152AQI

23
7
1
3
24
1
4
26
1
13
17
29
2
27
3
30
1
31
29
1
26
5
10
18
2
3
25
3
205
145
14
1

Highest AQI recorded in

January

91AQI

Lowest AQI recorded in

September

26AQI

202046AQI

2
8
4
9
14
3
29
31
30
1
27
3
13
16
2
11
16
3
2
21
8
163
77
13

Highest AQI recorded in

December

82AQI

Lowest AQI recorded in

August

26AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
55AQI
Least Polluted Year Recorded
2020(Avg.)
46AQI

Basuo's annual 2025 AQI (55) shows an average percentage change of 10.9% (worsened AQI) compared to previous years: 2020 (46), 2021 (52), 2022 (47), 2023 (53), 2024 (49).