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+
September Air Quality Analysis
Basuo, Hainan, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
7th Sep 2022
85AQILowest AQI recorded on
8th Sep 2022
14AQISame Day Analysis (17th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 26 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 17th Sep - 18th Sep 2025
Basuo, Hainan, China
AQI
Day
Night
.
6 AM17th Sep 2025
6 PM
5 AM18th Sep 2025
Day time
Avg. Highest Time
6AM17th Sep
29AQI
Avg. Lowest Time
3PM17th Sep
17AQI
Night time
Avg. Highest Time
10PM17th Sep
31AQI
Avg. Lowest Time
7PM17th Sep
26AQI
In the last 24 hours,
Basuo's AQI reached its highest point of 31 at 10 PM during the Night, while the lowest point, 17, was recorded at 3 PM during the Day between 17th Sep and 18th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Basuo, Hainan, China
AugSep
19th - 20th20th - 21st21st - 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
Day
Night
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 20253112 AMAQI
20th Aug 2025361 AMAQI
20th Aug 2025372 AMAQI
20th Aug 2025353 AMAQI
20th Aug 2025354 AMAQI
20th Aug 2025335 AMAQI
28°C26/31°C
20th Aug 2025336 AMAQI
20th Aug 2025377 AMAQI
20th Aug 2025268 AMAQI
20th Aug 2025379 AMAQI
20th Aug 20253910 AMAQI
20th Aug 20253111 AMAQI
20th Aug 20252212 PMAQI
20th Aug 2025211 PMAQI
20th Aug 2025202 PMAQI
20th Aug 2025213 PMAQI
20th Aug 2025234 PMAQI
20th Aug 2025245 PMAQI
20th Aug 2025286 PMAQI
20th Aug 2025357 PMAQI
20th Aug 2025408 PMAQI
20th Aug 2025409 PMAQI
20th Aug 20254010 PMAQI
20th Aug 20253811 PMAQI
21st Aug 20253612 AMAQI
21st Aug 2025361 AMAQI
21st Aug 2025382 AMAQI
21st Aug 2025363 AMAQI
21st Aug 2025334 AMAQI
21st Aug 2025335 AMAQI
29°C26/32°C
21st Aug 2025346 AMAQI
21st Aug 2025337 AMAQI
21st Aug 2025218 AMAQI
21st Aug 2025279 AMAQI
21st Aug 20253110 AMAQI
21st Aug 20253511 AMAQI
21st Aug 20253412 PMAQI
21st Aug 2025321 PMAQI
21st Aug 2025292 PMAQI
21st Aug 2025323 PMAQI
21st Aug 2025294 PMAQI
21st Aug 2025325 PMAQI
21st Aug 2025256 PMAQI
21st Aug 2025277 PMAQI
21st Aug 2025388 PMAQI
21st Aug 2025409 PMAQI
21st Aug 20253910 PMAQI
21st Aug 20253611 PMAQI
22nd Aug 20253112 AMAQI
22nd Aug 2025381 AMAQI
22nd Aug 2025382 AMAQI
22nd Aug 2025403 AMAQI
22nd Aug 2025354 AMAQI
22nd Aug 2025365 AMAQI
29°C26/32°C
22nd Aug 2025366 AMAQI
22nd Aug 2025377 AMAQI
22nd Aug 2025238 AMAQI
22nd Aug 2025249 AMAQI
22nd Aug 20252610 AMAQI
22nd Aug 20252711 AMAQI
22nd Aug 20253412 PMAQI
22nd Aug 2025281 PMAQI
22nd Aug 2025282 PMAQI
22nd Aug 2025273 PMAQI
22nd Aug 2025294 PMAQI
22nd Aug 2025375 PMAQI
22nd Aug 2025316 PMAQI
22nd Aug 2025327 PMAQI
22nd Aug 2025328 PMAQI
22nd Aug 2025359 PMAQI
22nd Aug 20253210 PMAQI
22nd Aug 20253511 PMAQI
23rd Aug 20253712 AMAQI
23rd Aug 2025401 AMAQI
23rd Aug 2025392 AMAQI
23rd Aug 2025383 AMAQI
23rd Aug 2025374 AMAQI
23rd Aug 2025375 AMAQI
28°C27/31°C
23rd Aug 2025386 AMAQI
23rd Aug 2025367 AMAQI
23rd Aug 2025448 AMAQI
23rd Aug 2025339 AMAQI
23rd Aug 20252710 AMAQI
23rd Aug 20253211 AMAQI
23rd Aug 20254412 PMAQI
23rd Aug 2025251 PMAQI
23rd Aug 2025222 PMAQI
23rd Aug 2025223 PMAQI
23rd Aug 2025264 PMAQI
23rd Aug 2025255 PMAQI
23rd Aug 2025266 PMAQI
23rd Aug 2025387 PMAQI
23rd Aug 2025398 PMAQI
23rd Aug 2025439 PMAQI
23rd Aug 20254310 PMAQI
23rd Aug 20253611 PMAQI
24th Aug 20253512 AMAQI
24th Aug 2025381 AMAQI
24th Aug 2025392 AMAQI
24th Aug 2025383 AMAQI
24th Aug 2025384 AMAQI
24th Aug 2025385 AMAQI
28°C26/31°C
24th Aug 2025386 AMAQI
24th Aug 2025377 AMAQI
24th Aug 2025328 AMAQI
24th Aug 2025319 AMAQI
24th Aug 20252910 AMAQI
24th Aug 20253011 AMAQI
24th Aug 20252812 PMAQI
24th Aug 2025231 PMAQI
24th Aug 2025242 PMAQI
24th Aug 2025273 PMAQI
24th Aug 2025244 PMAQI
24th Aug 2025245 PMAQI
24th Aug 2025266 PMAQI
24th Aug 2025317 PMAQI
24th Aug 2025358 PMAQI
24th Aug 2025339 PMAQI
24th Aug 20253410 PMAQI
24th Aug 20253411 PMAQI
25th Aug 20253512 AMAQI
25th Aug 2025341 AMAQI
25th Aug 2025332 AMAQI
25th Aug 2025363 AMAQI
25th Aug 2025404 AMAQI
25th Aug 2025395 AMAQI
28°C27/30°C
25th Aug 2025386 AMAQI
25th Aug 2025377 AMAQI
25th Aug 2025248 AMAQI
25th Aug 2025279 AMAQI
25th Aug 20252610 AMAQI
25th Aug 20252311 AMAQI
25th Aug 20252412 PMAQI
25th Aug 2025221 PMAQI
25th Aug 2025282 PMAQI
25th Aug 2025193 PMAQI
25th Aug 2025264 PMAQI
25th Aug 2025245 PMAQI
25th Aug 2025266 PMAQI
25th Aug 2025297 PMAQI
25th Aug 2025328 PMAQI
25th Aug 2025329 PMAQI
25th Aug 20253310 PMAQI
25th Aug 20253411 PMAQI
26th Aug 20253512 AMAQI
26th Aug 2025361 AMAQI
26th Aug 2025382 AMAQI
26th Aug 2025363 AMAQI
26th Aug 2025364 AMAQI
26th Aug 2025355 AMAQI
26°C25/28°C
26th Aug 2025366 AMAQI
26th Aug 2025367 AMAQI
26th Aug 2025268 AMAQI
26th Aug 2025289 AMAQI
26th Aug 20253010 AMAQI
26th Aug 20252911 AMAQI
26th Aug 20252812 PMAQI
26th Aug 2025261 PMAQI
26th Aug 2025222 PMAQI
26th Aug 2025243 PMAQI
26th Aug 2025224 PMAQI
26th Aug 2025225 PMAQI
26th Aug 2025256 PMAQI
26th Aug 2025267 PMAQI
26th Aug 2025338 PMAQI
26th Aug 2025389 PMAQI
26th Aug 20252910 PMAQI
26th Aug 20253111 PMAQI
27th Aug 20253112 AMAQI
27th Aug 2025361 AMAQI
27th Aug 2025382 AMAQI
27th Aug 2025373 AMAQI
27th Aug 2025354 AMAQI
27th Aug 2025355 AMAQI
28°C26/30°C
27th Aug 2025356 AMAQI
27th Aug 2025357 AMAQI
27th Aug 2025298 AMAQI
27th Aug 2025289 AMAQI
27th Aug 20254010 AMAQI
27th Aug 20254211 AMAQI
27th Aug 20253512 PMAQI
27th Aug 2025291 PMAQI
27th Aug 2025282 PMAQI
27th Aug 2025263 PMAQI
27th Aug 2025244 PMAQI
27th Aug 2025195 PMAQI
27th Aug 2025216 PMAQI
27th Aug 2025297 PMAQI
27th Aug 2025298 PMAQI
27th Aug 2025299 PMAQI
27th Aug 20252910 PMAQI
27th Aug 20253111 PMAQI
28th Aug 20252812 AMAQI
28th Aug 2025351 AMAQI
28th Aug 2025362 AMAQI
28th Aug 2025363 AMAQI
28th Aug 2025364 AMAQI
28th Aug 2025355 AMAQI
27°C26/30°C
28th Aug 2025376 AMAQI
28th Aug 2025367 AMAQI
28th Aug 2025378 AMAQI
28th Aug 2025399 AMAQI
28th Aug 20253410 AMAQI
28th Aug 20252711 AMAQI
28th Aug 20252912 PMAQI
28th Aug 2025311 PMAQI
28th Aug 2025302 PMAQI
28th Aug 2025333 PMAQI
28th Aug 2025494 PMAQI
28th Aug 2025425 PMAQI
28th Aug 2025366 PMAQI
28th Aug 2025307 PMAQI
28th Aug 2025318 PMAQI
28th Aug 2025349 PMAQI
28th Aug 20253610 PMAQI
28th Aug 20253211 PMAQI
29th Aug 20253412 AMAQI
29th Aug 2025411 AMAQI
29th Aug 2025432 AMAQI
29th Aug 2025413 AMAQI
29th Aug 2025424 AMAQI
29th Aug 2025415 AMAQI
28°C26/31°C
29th Aug 2025436 AMAQI
29th Aug 2025427 AMAQI
29th Aug 2025408 AMAQI
29th Aug 2025309 AMAQI
29th Aug 20253210 AMAQI
29th Aug 20252511 AMAQI
29th Aug 20253112 PMAQI
29th Aug 2025301 PMAQI
29th Aug 2025312 PMAQI
29th Aug 2025333 PMAQI
29th Aug 2025324 PMAQI
29th Aug 2025305 PMAQI
29th Aug 2025416 PMAQI
29th Aug 2025437 PMAQI
29th Aug 2025438 PMAQI
29th Aug 2025389 PMAQI
29th Aug 20254110 PMAQI
29th Aug 20253911 PMAQI
30th Aug 20253912 AMAQI
30th Aug 2025421 AMAQI
30th Aug 2025422 AMAQI
30th Aug 2025403 AMAQI
30th Aug 2025404 AMAQI
30th Aug 2025405 AMAQI
27°C25/29°C
30th Aug 2025426 AMAQI
30th Aug 2025407 AMAQI
30th Aug 2025298 AMAQI
30th Aug 2025329 AMAQI
30th Aug 20253110 AMAQI
30th Aug 20252411 AMAQI
30th Aug 20253012 PMAQI
30th Aug 2025271 PMAQI
30th Aug 2025222 PMAQI
30th Aug 2025243 PMAQI
30th Aug 2025204 PMAQI
30th Aug 2025205 PMAQI
30th Aug 2025256 PMAQI
30th Aug 2025337 PMAQI
30th Aug 2025368 PMAQI
30th Aug 2025359 PMAQI
30th Aug 20253410 PMAQI
30th Aug 20253411 PMAQI
31st Aug 20253612 AMAQI
31st Aug 2025391 AMAQI
31st Aug 2025442 AMAQI
31st Aug 2025403 AMAQI
31st Aug 2025394 AMAQI
31st Aug 2025395 AMAQI
28°C26/31°C
31st Aug 2025396 AMAQI
31st Aug 2025407 AMAQI
31st Aug 2025278 AMAQI
31st Aug 2025249 AMAQI
31st Aug 20252710 AMAQI
31st Aug 20252711 AMAQI
31st Aug 20253112 PMAQI
31st Aug 2025321 PMAQI
31st Aug 2025252 PMAQI
31st Aug 2025273 PMAQI
31st Aug 2025274 PMAQI
31st Aug 2025245 PMAQI
31st Aug 2025256 PMAQI
31st Aug 2025287 PMAQI
31st Aug 2025338 PMAQI
31st Aug 2025339 PMAQI
31st Aug 20254210 PMAQI
31st Aug 20254311 PMAQI
1st Sep 20253412 AMAQI
1st Sep 2025391 AMAQI
1st Sep 2025412 AMAQI
1st Sep 2025393 AMAQI
1st Sep 2025374 AMAQI
1st Sep 2025405 AMAQI
28°C26/30°C
1st Sep 2025466 AMAQI
1st Sep 2025417 AMAQI
1st Sep 2025208 AMAQI
1st Sep 2025229 AMAQI
1st Sep 20251910 AMAQI
1st Sep 20252211 AMAQI
1st Sep 20252512 PMAQI
1st Sep 2025321 PMAQI
1st Sep 2025242 PMAQI
1st Sep 2025263 PMAQI
1st Sep 2025264 PMAQI
1st Sep 2025255 PMAQI
1st Sep 2025296 PMAQI
1st Sep 2025317 PMAQI
1st Sep 2025358 PMAQI
1st Sep 2025349 PMAQI
1st Sep 20253310 PMAQI
1st Sep 20253611 PMAQI
2nd Sep 20253612 AMAQI
2nd Sep 2025411 AMAQI
2nd Sep 2025402 AMAQI
2nd Sep 2025403 AMAQI
2nd Sep 2025384 AMAQI
2nd Sep 2025385 AMAQI
28°C26/30°C
2nd Sep 2025386 AMAQI
2nd Sep 2025437 AMAQI
2nd Sep 2025318 AMAQI
2nd Sep 2025359 AMAQI
2nd Sep 20252710 AMAQI
2nd Sep 20252611 AMAQI
2nd Sep 20252712 PMAQI
2nd Sep 2025261 PMAQI
2nd Sep 2025232 PMAQI
2nd Sep 2025283 PMAQI
2nd Sep 2025244 PMAQI
2nd Sep 2025255 PMAQI
2nd Sep 2025396 PMAQI
2nd Sep 2025337 PMAQI
2nd Sep 2025398 PMAQI
2nd Sep 2025369 PMAQI
2nd Sep 20253610 PMAQI
2nd Sep 20253911 PMAQI
3rd Sep 20253912 AMAQI
3rd Sep 2025371 AMAQI
3rd Sep 2025452 AMAQI
3rd Sep 2025443 AMAQI
3rd Sep 2025424 AMAQI
3rd Sep 2025385 AMAQI
28°C26/30°C
3rd Sep 2025416 AMAQI
3rd Sep 2025387 AMAQI
3rd Sep 2025268 AMAQI
3rd Sep 2025259 AMAQI
3rd Sep 20253110 AMAQI
3rd Sep 20253411 AMAQI
3rd Sep 20253012 PMAQI
3rd Sep 2025261 PMAQI
3rd Sep 2025272 PMAQI
3rd Sep 2025243 PMAQI
3rd Sep 2025224 PMAQI
3rd Sep 2025295 PMAQI
3rd Sep 2025366 PMAQI
3rd Sep 2025317 PMAQI
3rd Sep 2025318 PMAQI
3rd Sep 2025329 PMAQI
3rd Sep 20253510 PMAQI
3rd Sep 20253311 PMAQI
4th Sep 20253412 AMAQI
4th Sep 2025411 AMAQI
4th Sep 2025412 AMAQI
4th Sep 2025403 AMAQI
4th Sep 2025384 AMAQI
4th Sep 2025385 AMAQI
28°C27/30°C
4th Sep 2025376 AMAQI
4th Sep 2025377 AMAQI
4th Sep 2025298 AMAQI
4th Sep 2025329 AMAQI
4th Sep 20252910 AMAQI
4th Sep 20253111 AMAQI
4th Sep 20253212 PMAQI
4th Sep 2025271 PMAQI
4th Sep 2025242 PMAQI
4th Sep 2025263 PMAQI
4th Sep 2025284 PMAQI
4th Sep 2025255 PMAQI
4th Sep 2025286 PMAQI
4th Sep 2025247 PMAQI
4th Sep 2025228 PMAQI
4th Sep 2025189 PMAQI
4th Sep 20251610 PMAQI
4th Sep 20251711 PMAQI
5th Sep 20252612 AMAQI
5th Sep 2025351 AMAQI
5th Sep 2025362 AMAQI
5th Sep 2025343 AMAQI
5th Sep 2025354 AMAQI
5th Sep 2025405 AMAQI
28°C26/30°C
5th Sep 2025396 AMAQI
5th Sep 2025377 AMAQI
5th Sep 2025318 AMAQI
5th Sep 2025279 AMAQI
5th Sep 20253410 AMAQI
5th Sep 20252511 AMAQI
5th Sep 20252812 PMAQI
5th Sep 2025311 PMAQI
5th Sep 2025312 PMAQI
5th Sep 2025343 PMAQI
5th Sep 2025224 PMAQI
5th Sep 2025305 PMAQI
5th Sep 2025276 PMAQI
5th Sep 2025307 PMAQI
5th Sep 2025318 PMAQI
5th Sep 2025369 PMAQI
5th Sep 20253210 PMAQI
5th Sep 20253811 PMAQI
6th Sep 20253112 AMAQI
6th Sep 2025331 AMAQI
6th Sep 2025352 AMAQI
6th Sep 2025373 AMAQI
6th Sep 2025394 AMAQI
6th Sep 2025365 AMAQI
28°C27/30°C
6th Sep 2025376 AMAQI
6th Sep 2025367 AMAQI
6th Sep 2025228 AMAQI
6th Sep 2025259 AMAQI
6th Sep 20252410 AMAQI
6th Sep 20252811 AMAQI
6th Sep 20252512 PMAQI
6th Sep 2025221 PMAQI
6th Sep 2025202 PMAQI
6th Sep 2025263 PMAQI
6th Sep 2025294 PMAQI
6th Sep 2025265 PMAQI
6th Sep 2025266 PMAQI
6th Sep 2025277 PMAQI
6th Sep 2025288 PMAQI
6th Sep 2025359 PMAQI
6th Sep 20253110 PMAQI
6th Sep 20253311 PMAQI
7th Sep 20253412 AMAQI
7th Sep 2025351 AMAQI
7th Sep 2025362 AMAQI
7th Sep 2025393 AMAQI
7th Sep 2025374 AMAQI
7th Sep 2025385 AMAQI
28°C26/30°C
7th Sep 2025396 AMAQI
7th Sep 2025377 AMAQI
7th Sep 2025318 AMAQI
7th Sep 2025289 AMAQI
7th Sep 20253710 AMAQI
7th Sep 20254311 AMAQI
7th Sep 20253812 PMAQI
7th Sep 2025531 PMAQI
7th Sep 2025542 PMAQI
7th Sep 2025543 PMAQI
7th Sep 2025524 PMAQI
7th Sep 2025465 PMAQI
7th Sep 2025536 PMAQI
7th Sep 2025527 PMAQI
7th Sep 2025538 PMAQI
7th Sep 2025539 PMAQI
7th Sep 20255410 PMAQI
7th Sep 20255311 PMAQI
8th Sep 20254512 AMAQI
8th Sep 2025351 AMAQI
8th Sep 2025362 AMAQI
8th Sep 2025393 AMAQI
8th Sep 2025414 AMAQI
8th Sep 2025405 AMAQI
28°C27/30°C
8th Sep 2025406 AMAQI
8th Sep 2025397 AMAQI
8th Sep 2025368 AMAQI
8th Sep 2025439 AMAQI
8th Sep 20254410 AMAQI
8th Sep 20254611 AMAQI
8th Sep 20253012 PMAQI
8th Sep 2025271 PMAQI
8th Sep 2025362 PMAQI
8th Sep 2025293 PMAQI
8th Sep 2025294 PMAQI
8th Sep 2025355 PMAQI
8th Sep 2025296 PMAQI
8th Sep 2025347 PMAQI
8th Sep 2025368 PMAQI
8th Sep 2025409 PMAQI
8th Sep 20253810 PMAQI
8th Sep 20254011 PMAQI
9th Sep 20253212 AMAQI
9th Sep 2025411 AMAQI
9th Sep 2025392 AMAQI
9th Sep 2025423 AMAQI
9th Sep 2025454 AMAQI
9th Sep 2025445 AMAQI
28°C27/30°C
9th Sep 2025446 AMAQI
9th Sep 2025437 AMAQI
9th Sep 2025248 AMAQI
9th Sep 2025249 AMAQI
9th Sep 20252910 AMAQI
9th Sep 20252311 AMAQI
9th Sep 20252212 PMAQI
9th Sep 2025261 PMAQI
9th Sep 2025232 PMAQI
9th Sep 2025223 PMAQI
9th Sep 2025274 PMAQI
9th Sep 2025285 PMAQI
9th Sep 2025336 PMAQI
9th Sep 2025347 PMAQI
9th Sep 2025338 PMAQI
9th Sep 2025339 PMAQI
9th Sep 20253410 PMAQI
9th Sep 20253311 PMAQI
10th Sep 20253712 AMAQI
10th Sep 2025431 AMAQI
10th Sep 2025422 AMAQI
10th Sep 2025413 AMAQI
10th Sep 2025384 AMAQI
10th Sep 2025385 AMAQI
28°C27/31°C
10th Sep 2025396 AMAQI
10th Sep 2025387 AMAQI
10th Sep 2025178 AMAQI
10th Sep 2025189 AMAQI
10th Sep 20252410 AMAQI
10th Sep 20252711 AMAQI
10th Sep 20252512 PMAQI
10th Sep 2025231 PMAQI
10th Sep 2025222 PMAQI
10th Sep 2025223 PMAQI
10th Sep 2025294 PMAQI
10th Sep 2025315 PMAQI
10th Sep 2025296 PMAQI
10th Sep 2025327 PMAQI
10th Sep 2025398 PMAQI
10th Sep 2025439 PMAQI
10th Sep 20253810 PMAQI
10th Sep 20254011 PMAQI
11th Sep 20253712 AMAQI
11th Sep 2025391 AMAQI
11th Sep 2025392 AMAQI
11th Sep 2025373 AMAQI
11th Sep 2025374 AMAQI
11th Sep 2025355 AMAQI
28°C27/31°C
11th Sep 2025356 AMAQI
11th Sep 2025357 AMAQI
11th Sep 2025208 AMAQI
11th Sep 2025289 AMAQI
11th Sep 20252510 AMAQI
11th Sep 20253011 AMAQI
11th Sep 20252712 PMAQI
11th Sep 2025261 PMAQI
11th Sep 2025282 PMAQI
11th Sep 2025273 PMAQI
11th Sep 2025294 PMAQI
11th Sep 2025315 PMAQI
11th Sep 2025256 PMAQI
11th Sep 2025327 PMAQI
11th Sep 2025298 PMAQI
11th Sep 2025349 PMAQI
11th Sep 20253110 PMAQI
11th Sep 20252911 PMAQI
12th Sep 20253112 AMAQI
12th Sep 2025371 AMAQI
12th Sep 2025382 AMAQI
12th Sep 2025363 AMAQI
12th Sep 2025344 AMAQI
12th Sep 2025355 AMAQI
28°C26/31°C
12th Sep 2025366 AMAQI
12th Sep 2025357 AMAQI
12th Sep 2025248 AMAQI
12th Sep 2025249 AMAQI
12th Sep 20252310 AMAQI
12th Sep 20252611 AMAQI
12th Sep 20252312 PMAQI
12th Sep 2025221 PMAQI
12th Sep 2025242 PMAQI
12th Sep 2025273 PMAQI
12th Sep 2025234 PMAQI
12th Sep 2025275 PMAQI
12th Sep 2025316 PMAQI
12th Sep 2025307 PMAQI
12th Sep 2025308 PMAQI
12th Sep 2025339 PMAQI
12th Sep 20253310 PMAQI
12th Sep 20253211 PMAQI
13th Sep 20253412 AMAQI
13th Sep 2025371 AMAQI
13th Sep 2025362 AMAQI
13th Sep 2025343 AMAQI
13th Sep 2025354 AMAQI
13th Sep 2025345 AMAQI
28°C26/31°C
13th Sep 2025346 AMAQI
13th Sep 2025337 AMAQI
13th Sep 2025238 AMAQI
13th Sep 2025249 AMAQI
13th Sep 20252110 AMAQI
13th Sep 20251911 AMAQI
13th Sep 20252212 PMAQI
13th Sep 2025201 PMAQI
13th Sep 2025232 PMAQI
13th Sep 2025253 PMAQI
13th Sep 2025214 PMAQI
13th Sep 2025215 PMAQI
13th Sep 2025236 PMAQI
13th Sep 2025247 PMAQI
13th Sep 2025308 PMAQI
13th Sep 2025309 PMAQI
13th Sep 20252810 PMAQI
13th Sep 20252911 PMAQI
14th Sep 20252712 AMAQI
14th Sep 2025321 AMAQI
14th Sep 2025342 AMAQI
14th Sep 2025333 AMAQI
14th Sep 2025334 AMAQI
14th Sep 2025335 AMAQI
28°C26/30°C
14th Sep 2025336 AMAQI
14th Sep 2025347 AMAQI
14th Sep 2025248 AMAQI
14th Sep 2025239 AMAQI
14th Sep 20252210 AMAQI
14th Sep 20252411 AMAQI
14th Sep 20251812 PMAQI
14th Sep 2025201 PMAQI
14th Sep 2025202 PMAQI
14th Sep 2025213 PMAQI
14th Sep 2025194 PMAQI
14th Sep 2025195 PMAQI
14th Sep 2025196 PMAQI
14th Sep 2025257 PMAQI
14th Sep 2025278 PMAQI
14th Sep 2025329 PMAQI
14th Sep 20252810 PMAQI
14th Sep 20253011 PMAQI
15th Sep 20253312 AMAQI
15th Sep 2025331 AMAQI
15th Sep 2025332 AMAQI
15th Sep 2025333 AMAQI
15th Sep 2025324 AMAQI
15th Sep 2025325 AMAQI
28°C26/30°C
15th Sep 2025336 AMAQI
15th Sep 2025327 AMAQI
15th Sep 2025278 AMAQI
15th Sep 2025289 AMAQI
15th Sep 20252310 AMAQI
15th Sep 20252811 AMAQI
15th Sep 20251912 PMAQI
15th Sep 2025171 PMAQI
15th Sep 2025162 PMAQI
15th Sep 2025183 PMAQI
15th Sep 2025184 PMAQI
15th Sep 2025165 PMAQI
15th Sep 2025206 PMAQI
15th Sep 2025217 PMAQI
15th Sep 2025278 PMAQI
15th Sep 2025299 PMAQI
15th Sep 20253010 PMAQI
15th Sep 20252911 PMAQI
16th Sep 20252712 AMAQI
16th Sep 2025311 AMAQI
16th Sep 2025342 AMAQI
16th Sep 2025323 AMAQI
16th Sep 2025314 AMAQI
16th Sep 2025315 AMAQI
28°C26/30°C
16th Sep 2025326 AMAQI
16th Sep 2025317 AMAQI
16th Sep 2025258 AMAQI
16th Sep 2025229 AMAQI
16th Sep 20252710 AMAQI
16th Sep 20252511 AMAQI
16th Sep 20252412 PMAQI
16th Sep 2025251 PMAQI
16th Sep 2025212 PMAQI
16th Sep 2025193 PMAQI
16th Sep 2025174 PMAQI
16th Sep 2025225 PMAQI
16th Sep 2025216 PMAQI
16th Sep 2025227 PMAQI
16th Sep 2025278 PMAQI
16th Sep 2025279 PMAQI
16th Sep 20253310 PMAQI
16th Sep 20252511 PMAQI
17th Sep 20252612 AMAQI
17th Sep 2025321 AMAQI
17th Sep 2025322 AMAQI
17th Sep 2025303 AMAQI
17th Sep 2025304 AMAQI
17th Sep 2025295 AMAQI
27°C25/30°C
17th Sep 2025296 AMAQI
17th Sep 2025287 AMAQI
17th Sep 2025218 AMAQI
17th Sep 2025239 AMAQI
17th Sep 20252510 AMAQI
17th Sep 20252511 AMAQI
17th Sep 20252012 PMAQI
17th Sep 2025211 PMAQI
17th Sep 2025192 PMAQI
17th Sep 2025173 PMAQI
17th Sep 2025184 PMAQI
17th Sep 2025205 PMAQI
17th Sep 2025216 PMAQI
17th Sep 2025267 PMAQI
17th Sep 2025298 PMAQI
17th Sep 2025309 PMAQI
17th Sep 20253110 PMAQI
17th Sep 20253111 PMAQI
18th Sep 20253112 AMAQI
18th Sep 2025311 AMAQI
18th Sep 2025302 AMAQI
18th Sep 2025303 AMAQI
18th Sep 2025294 AMAQI
18th Sep 2025285 AMAQI
27°C25/30°C
18th Sep 2025286 AMAQI
6 AM18th Sep 2025327 AMAQI
18th Sep 2025328 AMAQI
18th Sep 2025389 AMAQI
18th Sep 20252410 AMAQI
18th Sep 20252311 AMAQI
18th Sep 20252312 PMAQI
12 PM18th Sep 2025201 PMAQI
18th Sep 2025212 PMAQI
18th Sep 2025213 PMAQI
18th Sep 2025254 PMAQI
18th Sep 2025265 PMAQI
18th Sep 2025316 PMAQI
6 PM18th Sep 2025307 PMAQI
18th Sep 2025288 PMAQI
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 7 AM
37AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
2 PM
25AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 7 AM (Avg. 37), while the lowest AQI was between 2 PM to 2 PM (Avg. 25).
Night time
Avg. Highest Time
1 AM - 5 AM
37AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
7 PM
30AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 5 AM (Avg. 37), while the lowest AQI was between 7 PM to 7 PM (Avg. 30).
2025 Days Vs Air Quality
Basuo, Hainan, China
2025
52%
134
45%
117
3%
9
Total number of days with different AQI categories in last 261 days in 2025 (104 days remaining)
Good
134 DaysModerate
117 DaysPoor
9 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 52%
Health Risk Level:
Considerable
In 2025, 52% of 261 days were within WHO’s safe air quality limits, and 48% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
105AQI
105AQI
2nd January 2025
82AQI
82AQI
3rd January 2025
96AQI
96AQI
4th January 2025
93AQI
93AQI
5th January 2025
110AQI
110AQI
6th January 2025
100AQI
100AQI
7th January 2025
89AQI
89AQI
8th January 2025
91AQI
91AQI
9th January 2025
102AQI
102AQI
10th January 2025
96AQI
96AQI
11th January 2025
90AQI
90AQI
12th January 2025
91AQI
91AQI
13th January 2025
78AQI
78AQI
14th January 2025
78AQI
78AQI
15th January 2025
89AQI
89AQI
16th January 2025
94AQI
94AQI
17th January 2025
101AQI
101AQI
18th January 2025
90AQI
90AQI
19th January 2025
102AQI
102AQI
20th January 2025
106AQI
106AQI
21st January 2025
95AQI
95AQI
22nd January 2025
110AQI
110AQI
23rd January 2025
94AQI
94AQI
24th January 2025
72AQI
72AQI
25th January 2025
73AQI
73AQI
26th January 2025
55AQI
55AQI
27th January 2025
66AQI
66AQI
28th January 2025
70AQI
70AQI
29th January 2025
75AQI
75AQI
30th January 2025
67AQI
67AQI
31st January 2025
63AQI
63AQI
1st February 2025
50AQI
50AQI
2nd February 2025
61AQI
61AQI
3rd February 2025
59AQI
59AQI
4th February 2025
52AQI
52AQI
5th February 2025
50AQI
50AQI
6th February 2025
62AQI
62AQI
7th February 2025
60AQI
60AQI
8th February 2025
56AQI
56AQI
9th February 2025
65AQI
65AQI
10th February 2025
60AQI
60AQI
11th February 2025
61AQI
61AQI
12th February 2025
59AQI
59AQI
13th February 2025
63AQI
63AQI
14th February 2025
54AQI
54AQI
15th February 2025
76AQI
76AQI
16th February 2025
57AQI
57AQI
17th February 2025
79AQI
79AQI
18th February 2025
65AQI
65AQI
19th February 2025
87AQI
87AQI
20th February 2025
69AQI
69AQI
21st February 2025
65AQI
65AQI
22nd February 2025
51AQI
51AQI
23rd February 2025
44AQI
44AQI
24th February 2025
38AQI
38AQI
25th February 2025
39AQI
39AQI
26th February 2025
51AQI
51AQI
27th February 2025
61AQI
61AQI
28th February 2025
54AQI
54AQI
1st March 2025
60AQI
60AQI
2nd March 2025
53AQI
53AQI
3rd March 2025
63AQI
63AQI
4th March 2025
58AQI
58AQI
5th March 2025
72AQI
72AQI
6th March 2025
39AQI
39AQI
7th March 2025
48AQI
48AQI
8th March 2025
33AQI
33AQI
9th March 2025
59AQI
59AQI
10th March 2025
59AQI
59AQI
11th March 2025
59AQI
59AQI
12th March 2025
49AQI
49AQI
13th March 2025
48AQI
48AQI
14th March 2025
44AQI
44AQI
15th March 2025
55AQI
55AQI
16th March 2025
53AQI
53AQI
17th March 2025
68AQI
68AQI
18th March 2025
64AQI
64AQI
19th March 2025
78AQI
78AQI
20th March 2025
74AQI
74AQI
21st March 2025
86AQI
86AQI
22nd March 2025
77AQI
77AQI
23rd March 2025
77AQI
77AQI
24th March 2025
75AQI
75AQI
25th March 2025
73AQI
73AQI
26th March 2025
65AQI
65AQI
27th March 2025
68AQI
68AQI
28th March 2025
72AQI
72AQI
29th March 2025
55AQI
55AQI
30th March 2025
42AQI
42AQI
31st March 2025
38AQI
38AQI
1st April 2025
43AQI
43AQI
2nd April 2025
60AQI
60AQI
3rd April 2025
62AQI
62AQI
4th April 2025
59AQI
59AQI
5th April 2025
63AQI
63AQI
6th April 2025
52AQI
52AQI
7th April 2025
58AQI
58AQI
8th April 2025
54AQI
54AQI
9th April 2025
64AQI
64AQI
10th April 2025
64AQI
64AQI
11th April 2025
71AQI
71AQI
12th April 2025
63AQI
63AQI
13th April 2025
107AQI
107AQI
14th April 2025
104AQI
104AQI
15th April 2025
88AQI
88AQI
16th April 2025
80AQI
80AQI
17th April 2025
77AQI
77AQI
18th April 2025
68AQI
68AQI
19th April 2025
58AQI
58AQI
20th April 2025
60AQI
60AQI
21st April 2025
58AQI
58AQI
22nd April 2025
60AQI
60AQI
23rd April 2025
53AQI
53AQI
24th April 2025
59AQI
59AQI
25th April 2025
58AQI
58AQI
26th April 2025
56AQI
56AQI
27th April 2025
55AQI
55AQI
28th April 2025
55AQI
55AQI
29th April 2025
44AQI
44AQI
30th April 2025
52AQI
52AQI
1st May 2025
50AQI
50AQI
2nd May 2025
60AQI
60AQI
3rd May 2025
60AQI
60AQI
4th May 2025
62AQI
62AQI
5th May 2025
52AQI
52AQI
6th May 2025
60AQI
60AQI
7th May 2025
62AQI
62AQI
8th May 2025
58AQI
58AQI
9th May 2025
57AQI
57AQI
10th May 2025
51AQI
51AQI
11th May 2025
54AQI
54AQI
12th May 2025
60AQI
60AQI
13th May 2025
59AQI
59AQI
14th May 2025
51AQI
51AQI
15th May 2025
41AQI
41AQI
16th May 2025
38AQI
38AQI
17th May 2025
40AQI
40AQI
18th May 2025
41AQI
41AQI
19th May 2025
40AQI
40AQI
20th May 2025
40AQI
40AQI
21st May 2025
40AQI
40AQI
22nd May 2025
36AQI
36AQI
23rd May 2025
38AQI
38AQI
24th May 2025
39AQI
39AQI
25th May 2025
42AQI
42AQI
26th May 2025
53AQI
53AQI
27th May 2025
48AQI
48AQI
28th May 2025
42AQI
42AQI
29th May 2025
40AQI
40AQI
30th May 2025
43AQI
43AQI
31st May 2025
38AQI
38AQI
1st June 2025
40AQI
40AQI
2nd June 2025
41AQI
41AQI
3rd June 2025
43AQI
43AQI
4th June 2025
46AQI
46AQI
5th June 2025
46AQI
46AQI
6th June 2025
45AQI
45AQI
7th June 2025
42AQI
42AQI
8th June 2025
45AQI
45AQI
9th June 2025
50AQI
50AQI
10th June 2025
51AQI
51AQI
11th June 2025
46AQI
46AQI
12th June 2025
37AQI
37AQI
13th June 2025
40AQI
40AQI
14th June 2025
38AQI
38AQI
15th June 2025
39AQI
39AQI
16th June 2025
39AQI
39AQI
17th June 2025
41AQI
41AQI
18th June 2025
35AQI
35AQI
19th June 2025
36AQI
36AQI
20th June 2025
35AQI
35AQI
21st June 2025
37AQI
37AQI
22nd June 2025
44AQI
44AQI
23rd June 2025
37AQI
37AQI
24th June 2025
38AQI
38AQI
25th June 2025
36AQI
36AQI
26th June 2025
34AQI
34AQI
27th June 2025
33AQI
33AQI
28th June 2025
30AQI
30AQI
29th June 2025
29AQI
29AQI
30th June 2025
28AQI
28AQI
1st July 2025
32AQI
32AQI
2nd July 2025
28AQI
28AQI
3rd July 2025
26AQI
26AQI
4th July 2025
25AQI
25AQI
5th July 2025
26AQI
26AQI
6th July 2025
26AQI
26AQI
7th July 2025
26AQI
26AQI
8th July 2025
29AQI
29AQI
9th July 2025
35AQI
35AQI
10th July 2025
36AQI
36AQI
11th July 2025
43AQI
43AQI
12th July 2025
38AQI
38AQI
13th July 2025
39AQI
39AQI
14th July 2025
44AQI
44AQI
15th July 2025
43AQI
43AQI
16th July 2025
39AQI
39AQI
17th July 2025
38AQI
38AQI
18th July 2025
38AQI
38AQI
19th July 2025
35AQI
35AQI
20th July 2025
32AQI
32AQI
21st July 2025
30AQI
30AQI
22nd July 2025
28AQI
28AQI
23rd July 2025
26AQI
26AQI
24th July 2025
28AQI
28AQI
25th July 2025
30AQI
30AQI
26th July 2025
30AQI
30AQI
27th July 2025
29AQI
29AQI
28th July 2025
26AQI
26AQI
29th July 2025
27AQI
27AQI
30th July 2025
32AQI
32AQI
31st July 2025
41AQI
41AQI
1st August 2025
54AQI
54AQI
2nd August 2025
55AQI
55AQI
3rd August 2025
56AQI
56AQI
4th August 2025
54AQI
54AQI
5th August 2025
51AQI
51AQI
6th August 2025
51AQI
51AQI
7th August 2025
49AQI
49AQI
8th August 2025
46AQI
46AQI
9th August 2025
44AQI
44AQI
10th August 2025
43AQI
43AQI
11th August 2025
42AQI
42AQI
12th August 2025
43AQI
43AQI
13th August 2025
40AQI
40AQI
14th August 2025
37AQI
37AQI
15th August 2025
34AQI
34AQI
16th August 2025
32AQI
32AQI
17th August 2025
31AQI
31AQI
18th August 2025
30AQI
30AQI
19th August 2025
29AQI
29AQI
20th August 2025
32AQI
32AQI
21st August 2025
33AQI
33AQI
22nd August 2025
33AQI
33AQI
23rd August 2025
35AQI
35AQI
24th August 2025
33AQI
33AQI
25th August 2025
31AQI
31AQI
26th August 2025
31AQI
31AQI
27th August 2025
31AQI
31AQI
28th August 2025
34AQI
34AQI
29th August 2025
38AQI
38AQI
30th August 2025
33AQI
33AQI
31st August 2025
34AQI
34AQI
1st September 2025
32AQI
32AQI
2nd September 2025
35AQI
35AQI
3rd September 2025
34AQI
34AQI
4th September 2025
29AQI
29AQI
5th September 2025
31AQI
31AQI
6th September 2025
30AQI
30AQI
7th September 2025
44AQI
44AQI
8th September 2025
37AQI
37AQI
9th September 2025
33AQI
33AQI
10th September 2025
34AQI
34AQI
11th September 2025
31AQI
31AQI
12th September 2025
31AQI
31AQI
13th September 2025
28AQI
28AQI
14th September 2025
27AQI
27AQI
15th September 2025
27AQI
27AQI
16th September 2025
27AQI
27AQI
17th September 2025
26AQI
26AQI
18th September 2025
19th September 2025
20th September 2025
21st September 2025
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
88AQI
59AQI
60AQI
64AQI
48AQI
39AQI
32AQI
39AQI
32AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202552AQI
24
7
5
23
8
23
2
26
2
17
14
29
1
31
25
6
17
134
117
9
Highest AQI recorded in
January88AQI
Lowest AQI recorded in
September32AQI
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
December82AQI
Lowest AQI recorded in
July31AQI
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
March81AQI
Lowest AQI recorded in
September22AQI
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
January64AQI
Lowest AQI recorded in
August16AQI
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
January91AQI
Lowest AQI recorded in
September26AQI
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
December82AQI
Lowest AQI recorded in
August26AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
53AQILeast Polluted Year Recorded
2020(Avg.)
46AQIBasuo's annual 2025 AQI (52) shows an average percentage change of 5.6% (worsened AQI) compared to previous years: 2020 (46), 2021 (52), 2022 (47), 2023 (53), 2024 (49).
