City Land Resources Bureau Station, 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
City Land Resources Bureau Station, Basuo, Hainan, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
10th Aug 2021
62AQILowest AQI recorded on
31st Aug 2022
14AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 54 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
City Land Resources Bureau Station, Basuo, Hainan, China
AQI
Day
Night
.
6 AM4th Aug 2025
7 PM
5 AM5th Aug 2025
Day time
Avg. Highest Time
10AM4th Aug
59AQI
Avg. Lowest Time
4PM4th Aug
36AQI
Night time
Avg. Highest Time
2AM5th Aug
56AQI
Avg. Lowest Time
8PM4th Aug
52AQI
In the last 24 hours,
City Land Resources Bureau Station's AQI reached its highest point of 59 at 10 AM during the Day, while the lowest point, 36, was recorded at 4 PM during the Day between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
City Land Resources Bureau Station, Basuo, Hainan, China
JulAug
06th - 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 - 05th05th
Day
Night
6th Jul 2025286 AMAQI
6th Jul 2025247 AMAQI
6th Jul 2025248 AMAQI
6th Jul 2025199 AMAQI
6th Jul 20252010 AMAQI
6th Jul 20252011 AMAQI
6th Jul 20252012 PMAQI
6th Jul 2025181 PMAQI
6th Jul 2025182 PMAQI
6th Jul 2025183 PMAQI
6th Jul 2025194 PMAQI
6th Jul 2025195 PMAQI
6th Jul 2025206 PMAQI
6th Jul 2025217 PMAQI
6th Jul 2025228 PMAQI
6th Jul 2025269 PMAQI
6th Jul 20252610 PMAQI
6th Jul 20252411 PMAQI
7th Jul 20252412 AMAQI
7th Jul 2025251 AMAQI
7th Jul 2025312 AMAQI
7th Jul 2025283 AMAQI
7th Jul 2025284 AMAQI
7th Jul 2025285 AMAQI
28°C26/30°C
7th Jul 2025276 AMAQI
7th Jul 2025277 AMAQI
7th Jul 2025188 AMAQI
7th Jul 2025159 AMAQI
7th Jul 20251810 AMAQI
7th Jul 20251911 AMAQI
7th Jul 20252012 PMAQI
7th Jul 2025191 PMAQI
7th Jul 2025282 PMAQI
7th Jul 2025203 PMAQI
7th Jul 2025204 PMAQI
7th Jul 2025175 PMAQI
7th Jul 2025216 PMAQI
7th Jul 2025237 PMAQI
7th Jul 2025278 PMAQI
7th Jul 2025279 PMAQI
7th Jul 20252410 PMAQI
7th Jul 20252311 PMAQI
8th Jul 20252512 AMAQI
8th Jul 2025271 AMAQI
8th Jul 2025292 AMAQI
8th Jul 2025283 AMAQI
8th Jul 2025284 AMAQI
8th Jul 2025285 AMAQI
28°C27/30°C
8th Jul 2025266 AMAQI
8th Jul 2025287 AMAQI
8th Jul 2025228 AMAQI
8th Jul 2025239 AMAQI
8th Jul 20252810 AMAQI
8th Jul 20253011 AMAQI
8th Jul 20253012 PMAQI
8th Jul 2025321 PMAQI
8th Jul 2025342 PMAQI
8th Jul 2025243 PMAQI
8th Jul 2025264 PMAQI
8th Jul 2025225 PMAQI
8th Jul 2025256 PMAQI
8th Jul 2025327 PMAQI
8th Jul 2025248 PMAQI
8th Jul 2025249 PMAQI
8th Jul 20252610 PMAQI
8th Jul 20253311 PMAQI
9th Jul 20253612 AMAQI
9th Jul 2025361 AMAQI
9th Jul 2025402 AMAQI
9th Jul 2025393 AMAQI
9th Jul 2025404 AMAQI
9th Jul 2025375 AMAQI
29°C27/31°C
9th Jul 2025296 AMAQI
9th Jul 2025307 AMAQI
9th Jul 2025458 AMAQI
9th Jul 2025399 AMAQI
9th Jul 20252610 AMAQI
9th Jul 20252211 AMAQI
9th Jul 20252512 PMAQI
9th Jul 2025331 PMAQI
9th Jul 2025362 PMAQI
9th Jul 2025263 PMAQI
9th Jul 2025274 PMAQI
9th Jul 2025285 PMAQI
9th Jul 2025276 PMAQI
9th Jul 2025267 PMAQI
9th Jul 2025318 PMAQI
9th Jul 2025329 PMAQI
9th Jul 20253210 PMAQI
9th Jul 20253711 PMAQI
10th Jul 20253312 AMAQI
10th Jul 2025341 AMAQI
10th Jul 2025372 AMAQI
10th Jul 2025363 AMAQI
10th Jul 2025364 AMAQI
10th Jul 2025365 AMAQI
29°C28/31°C
10th Jul 2025366 AMAQI
10th Jul 2025367 AMAQI
10th Jul 2025328 AMAQI
10th Jul 2025279 AMAQI
10th Jul 20253710 AMAQI
10th Jul 20253811 AMAQI
10th Jul 20253212 PMAQI
10th Jul 2025241 PMAQI
10th Jul 2025282 PMAQI
10th Jul 2025343 PMAQI
10th Jul 2025364 PMAQI
10th Jul 2025305 PMAQI
10th Jul 2025466 PMAQI
10th Jul 2025497 PMAQI
10th Jul 2025488 PMAQI
10th Jul 2025469 PMAQI
10th Jul 20254610 PMAQI
10th Jul 20254811 PMAQI
11th Jul 20254312 AMAQI
11th Jul 2025441 AMAQI
11th Jul 2025482 AMAQI
11th Jul 2025443 AMAQI
11th Jul 2025464 AMAQI
11th Jul 2025475 AMAQI
29°C28/30°C
11th Jul 2025466 AMAQI
11th Jul 2025467 AMAQI
11th Jul 2025428 AMAQI
11th Jul 2025289 AMAQI
11th Jul 20253710 AMAQI
11th Jul 20254011 AMAQI
11th Jul 20254012 PMAQI
11th Jul 2025371 PMAQI
11th Jul 2025382 PMAQI
11th Jul 2025493 PMAQI
11th Jul 2025524 PMAQI
11th Jul 2025525 PMAQI
11th Jul 2025436 PMAQI
11th Jul 2025417 PMAQI
11th Jul 2025448 PMAQI
11th Jul 2025399 PMAQI
11th Jul 20253610 PMAQI
11th Jul 20253511 PMAQI
12th Jul 20253412 AMAQI
12th Jul 2025321 AMAQI
12th Jul 2025472 AMAQI
12th Jul 2025483 AMAQI
12th Jul 2025464 AMAQI
12th Jul 2025465 AMAQI
28°C27/30°C
12th Jul 2025466 AMAQI
12th Jul 2025467 AMAQI
12th Jul 2025278 AMAQI
12th Jul 2025249 AMAQI
12th Jul 20252310 AMAQI
12th Jul 20253111 AMAQI
12th Jul 20252312 PMAQI
12th Jul 2025291 PMAQI
12th Jul 2025282 PMAQI
12th Jul 2025263 PMAQI
12th Jul 2025264 PMAQI
12th Jul 2025265 PMAQI
12th Jul 2025296 PMAQI
12th Jul 2025327 PMAQI
12th Jul 2025378 PMAQI
12th Jul 2025359 PMAQI
12th Jul 20253610 PMAQI
12th Jul 20254711 PMAQI
13th Jul 20255012 AMAQI
13th Jul 2025501 AMAQI
13th Jul 2025452 AMAQI
13th Jul 2025423 AMAQI
13th Jul 2025404 AMAQI
13th Jul 2025405 AMAQI
29°C27/30°C
13th Jul 2025406 AMAQI
13th Jul 2025397 AMAQI
13th Jul 2025318 AMAQI
13th Jul 2025229 AMAQI
13th Jul 20252610 AMAQI
13th Jul 20253311 AMAQI
13th Jul 20253312 PMAQI
13th Jul 2025301 PMAQI
13th Jul 2025262 PMAQI
13th Jul 2025233 PMAQI
13th Jul 2025264 PMAQI
13th Jul 2025265 PMAQI
13th Jul 2025256 PMAQI
13th Jul 2025327 PMAQI
13th Jul 2025398 PMAQI
13th Jul 2025379 PMAQI
13th Jul 20253810 PMAQI
13th Jul 20253811 PMAQI
14th Jul 20254312 AMAQI
14th Jul 2025551 AMAQI
14th Jul 2025492 AMAQI
14th Jul 2025503 AMAQI
14th Jul 2025474 AMAQI
14th Jul 2025425 AMAQI
29°C27/31°C
14th Jul 2025426 AMAQI
14th Jul 2025427 AMAQI
14th Jul 2025268 AMAQI
14th Jul 2025229 AMAQI
14th Jul 20252610 AMAQI
14th Jul 20252811 AMAQI
14th Jul 20253012 PMAQI
14th Jul 2025301 PMAQI
14th Jul 2025292 PMAQI
14th Jul 2025483 PMAQI
14th Jul 2025494 PMAQI
14th Jul 2025445 PMAQI
14th Jul 2025456 PMAQI
14th Jul 2025477 PMAQI
14th Jul 2025518 PMAQI
14th Jul 2025499 PMAQI
14th Jul 20255210 PMAQI
14th Jul 20255011 PMAQI
15th Jul 20255112 AMAQI
15th Jul 2025501 AMAQI
15th Jul 2025482 AMAQI
15th Jul 2025483 AMAQI
15th Jul 2025504 AMAQI
15th Jul 2025485 AMAQI
29°C27/31°C
15th Jul 2025506 AMAQI
15th Jul 2025507 AMAQI
15th Jul 2025538 AMAQI
15th Jul 2025519 AMAQI
15th Jul 20254810 AMAQI
15th Jul 20254311 AMAQI
15th Jul 20254012 PMAQI
15th Jul 2025371 PMAQI
15th Jul 2025312 PMAQI
15th Jul 2025303 PMAQI
15th Jul 2025324 PMAQI
15th Jul 2025275 PMAQI
15th Jul 2025276 PMAQI
15th Jul 2025287 PMAQI
15th Jul 2025428 PMAQI
15th Jul 2025439 PMAQI
15th Jul 20254410 PMAQI
15th Jul 20254211 PMAQI
16th Jul 20254112 AMAQI
16th Jul 2025441 AMAQI
16th Jul 2025492 AMAQI
16th Jul 2025483 AMAQI
16th Jul 2025504 AMAQI
16th Jul 2025475 AMAQI
30°C27/32°C
16th Jul 2025476 AMAQI
16th Jul 2025487 AMAQI
16th Jul 2025398 AMAQI
16th Jul 2025369 AMAQI
16th Jul 20253410 AMAQI
16th Jul 20252711 AMAQI
16th Jul 20252912 PMAQI
16th Jul 2025281 PMAQI
16th Jul 2025282 PMAQI
16th Jul 2025263 PMAQI
16th Jul 2025254 PMAQI
16th Jul 2025255 PMAQI
16th Jul 2025286 PMAQI
16th Jul 2025387 PMAQI
16th Jul 2025438 PMAQI
16th Jul 2025369 PMAQI
16th Jul 20253610 PMAQI
16th Jul 20254011 PMAQI
17th Jul 20253612 AMAQI
17th Jul 2025441 AMAQI
17th Jul 2025472 AMAQI
17th Jul 2025463 AMAQI
17th Jul 2025434 AMAQI
17th Jul 2025445 AMAQI
29°C28/32°C
17th Jul 2025436 AMAQI
17th Jul 2025437 AMAQI
17th Jul 2025348 AMAQI
17th Jul 2025279 AMAQI
17th Jul 20252810 AMAQI
17th Jul 20252811 AMAQI
17th Jul 20253612 PMAQI
17th Jul 2025401 PMAQI
17th Jul 2025282 PMAQI
17th Jul 2025283 PMAQI
17th Jul 2025304 PMAQI
17th Jul 2025315 PMAQI
17th Jul 2025246 PMAQI
17th Jul 2025287 PMAQI
17th Jul 2025348 PMAQI
17th Jul 2025379 PMAQI
17th Jul 20254110 PMAQI
17th Jul 20254011 PMAQI
18th Jul 20254012 AMAQI
18th Jul 2025461 AMAQI
18th Jul 2025442 AMAQI
18th Jul 2025433 AMAQI
18th Jul 2025424 AMAQI
18th Jul 2025405 AMAQI
29°C28/31°C
18th Jul 2025416 AMAQI
18th Jul 2025417 AMAQI
18th Jul 2025248 AMAQI
18th Jul 2025229 AMAQI
18th Jul 20251910 AMAQI
18th Jul 20252011 AMAQI
18th Jul 20253312 PMAQI
18th Jul 2025351 PMAQI
18th Jul 2025362 PMAQI
18th Jul 2025423 PMAQI
18th Jul 2025364 PMAQI
18th Jul 2025315 PMAQI
18th Jul 2025326 PMAQI
18th Jul 2025397 PMAQI
18th Jul 2025448 PMAQI
18th Jul 2025369 PMAQI
18th Jul 20253710 PMAQI
18th Jul 20253811 PMAQI
19th Jul 20254212 AMAQI
19th Jul 2025431 AMAQI
19th Jul 2025442 AMAQI
19th Jul 2025413 AMAQI
19th Jul 2025414 AMAQI
19th Jul 2025415 AMAQI
29°C28/31°C
19th Jul 2025406 AMAQI
19th Jul 2025407 AMAQI
19th Jul 2025248 AMAQI
19th Jul 2025259 AMAQI
19th Jul 20253410 AMAQI
19th Jul 20252811 AMAQI
19th Jul 20252612 PMAQI
19th Jul 2025251 PMAQI
19th Jul 2025232 PMAQI
19th Jul 2025223 PMAQI
19th Jul 2025204 PMAQI
19th Jul 2025235 PMAQI
19th Jul 2025206 PMAQI
19th Jul 2025297 PMAQI
19th Jul 2025328 PMAQI
19th Jul 2025329 PMAQI
19th Jul 20253210 PMAQI
19th Jul 20253211 PMAQI
20th Jul 20253212 AMAQI
20th Jul 2025431 AMAQI
20th Jul 2025422 AMAQI
20th Jul 2025423 AMAQI
20th Jul 2025394 AMAQI
20th Jul 2025385 AMAQI
28°C27/29°C
20th Jul 2025386 AMAQI
20th Jul 2025387 AMAQI
20th Jul 2025288 AMAQI
20th Jul 2025189 AMAQI
20th Jul 20251910 AMAQI
20th Jul 20251811 AMAQI
20th Jul 20252212 PMAQI
20th Jul 2025211 PMAQI
20th Jul 2025202 PMAQI
20th Jul 2025213 PMAQI
20th Jul 2025184 PMAQI
20th Jul 2025205 PMAQI
20th Jul 2025206 PMAQI
20th Jul 2025287 PMAQI
20th Jul 2025348 PMAQI
20th Jul 2025359 PMAQI
20th Jul 20253410 PMAQI
20th Jul 20253211 PMAQI
21st Jul 20253012 AMAQI
21st Jul 2025341 AMAQI
21st Jul 2025412 AMAQI
21st Jul 2025393 AMAQI
21st Jul 2025364 AMAQI
21st Jul 2025365 AMAQI
27°C26/28°C
21st Jul 2025366 AMAQI
21st Jul 2025367 AMAQI
21st Jul 2025258 AMAQI
21st Jul 2025339 AMAQI
21st Jul 20252410 AMAQI
21st Jul 20252411 AMAQI
21st Jul 20252412 PMAQI
21st Jul 2025231 PMAQI
21st Jul 2025212 PMAQI
21st Jul 2025193 PMAQI
21st Jul 2025194 PMAQI
21st Jul 2025265 PMAQI
21st Jul 2025186 PMAQI
21st Jul 2025237 PMAQI
21st Jul 2025288 PMAQI
21st Jul 2025299 PMAQI
21st Jul 20253010 PMAQI
21st Jul 20252911 PMAQI
22nd Jul 20252612 AMAQI
22nd Jul 2025321 AMAQI
22nd Jul 2025372 AMAQI
22nd Jul 2025363 AMAQI
22nd Jul 2025344 AMAQI
22nd Jul 2025355 AMAQI
26°C26/26°C
22nd Jul 2025356 AMAQI
22nd Jul 2025347 AMAQI
22nd Jul 2025248 AMAQI
22nd Jul 2025199 AMAQI
22nd Jul 20251810 AMAQI
22nd Jul 20251811 AMAQI
22nd Jul 20251912 PMAQI
22nd Jul 2025201 PMAQI
22nd Jul 2025172 PMAQI
22nd Jul 2025183 PMAQI
22nd Jul 2025184 PMAQI
22nd Jul 2025175 PMAQI
22nd Jul 2025186 PMAQI
22nd Jul 2025227 PMAQI
22nd Jul 2025258 PMAQI
22nd Jul 2025249 PMAQI
22nd Jul 20252610 PMAQI
22nd Jul 20252511 PMAQI
23rd Jul 20252612 AMAQI
23rd Jul 2025331 AMAQI
23rd Jul 2025352 AMAQI
23rd Jul 2025343 AMAQI
23rd Jul 2025324 AMAQI
23rd Jul 2025315 AMAQI
28°C27/29°C
23rd Jul 2025316 AMAQI
23rd Jul 2025317 AMAQI
23rd Jul 2025218 AMAQI
23rd Jul 2025189 AMAQI
23rd Jul 20251610 AMAQI
23rd Jul 20251611 AMAQI
23rd Jul 20251712 PMAQI
23rd Jul 2025171 PMAQI
23rd Jul 2025152 PMAQI
23rd Jul 2025163 PMAQI
23rd Jul 2025144 PMAQI
23rd Jul 2025145 PMAQI
23rd Jul 2025166 PMAQI
23rd Jul 2025207 PMAQI
23rd Jul 2025268 PMAQI
23rd Jul 2025269 PMAQI
23rd Jul 20252710 PMAQI
23rd Jul 20252511 PMAQI
24th Jul 20252512 AMAQI
24th Jul 2025251 AMAQI
24th Jul 2025242 AMAQI
24th Jul 2025263 AMAQI
24th Jul 2025364 AMAQI
24th Jul 2025395 AMAQI
28°C27/29°C
24th Jul 2025396 AMAQI
24th Jul 2025387 AMAQI
24th Jul 2025488 AMAQI
24th Jul 2025389 AMAQI
24th Jul 20251710 AMAQI
24th Jul 20251711 AMAQI
24th Jul 20251812 PMAQI
24th Jul 2025161 PMAQI
24th Jul 2025172 PMAQI
24th Jul 2025283 PMAQI
24th Jul 2025184 PMAQI
24th Jul 2025155 PMAQI
24th Jul 2025166 PMAQI
24th Jul 2025187 PMAQI
24th Jul 2025268 PMAQI
24th Jul 2025309 PMAQI
24th Jul 20253010 PMAQI
24th Jul 20253511 PMAQI
25th Jul 20253212 AMAQI
25th Jul 2025281 AMAQI
25th Jul 2025322 AMAQI
25th Jul 2025323 AMAQI
25th Jul 2025314 AMAQI
25th Jul 2025305 AMAQI
28°C26/30°C
25th Jul 2025316 AMAQI
25th Jul 2025307 AMAQI
25th Jul 2025218 AMAQI
25th Jul 2025219 AMAQI
25th Jul 20252010 AMAQI
25th Jul 20251811 AMAQI
25th Jul 20252012 PMAQI
25th Jul 2025181 PMAQI
25th Jul 2025182 PMAQI
25th Jul 2025173 PMAQI
25th Jul 2025184 PMAQI
25th Jul 2025275 PMAQI
25th Jul 2025346 PMAQI
25th Jul 2025387 PMAQI
25th Jul 2025378 PMAQI
25th Jul 2025379 PMAQI
25th Jul 20253810 PMAQI
25th Jul 20253611 PMAQI
26th Jul 20253912 AMAQI
26th Jul 2025381 AMAQI
26th Jul 2025412 AMAQI
26th Jul 2025403 AMAQI
26th Jul 2025404 AMAQI
26th Jul 2025405 AMAQI
27°C26/29°C
26th Jul 2025396 AMAQI
26th Jul 2025367 AMAQI
26th Jul 2025218 AMAQI
26th Jul 2025199 AMAQI
26th Jul 20252010 AMAQI
26th Jul 20251911 AMAQI
26th Jul 20251912 PMAQI
26th Jul 2025211 PMAQI
26th Jul 2025192 PMAQI
26th Jul 2025183 PMAQI
26th Jul 2025174 PMAQI
26th Jul 2025165 PMAQI
26th Jul 2025166 PMAQI
26th Jul 2025227 PMAQI
26th Jul 2025288 PMAQI
26th Jul 2025289 PMAQI
26th Jul 20252810 PMAQI
26th Jul 20252811 PMAQI
27th Jul 20252812 AMAQI
27th Jul 2025321 AMAQI
27th Jul 2025392 AMAQI
27th Jul 2025383 AMAQI
27th Jul 2025354 AMAQI
27th Jul 2025345 AMAQI
28°C26/30°C
27th Jul 2025346 AMAQI
27th Jul 2025347 AMAQI
27th Jul 2025268 AMAQI
27th Jul 2025229 AMAQI
27th Jul 20252410 AMAQI
27th Jul 20252411 AMAQI
27th Jul 20252112 PMAQI
27th Jul 2025251 PMAQI
27th Jul 2025202 PMAQI
27th Jul 2025243 PMAQI
27th Jul 2025204 PMAQI
27th Jul 2025185 PMAQI
27th Jul 2025186 PMAQI
27th Jul 2025237 PMAQI
27th Jul 2025258 PMAQI
27th Jul 2025259 PMAQI
27th Jul 20252610 PMAQI
27th Jul 20252511 PMAQI
28th Jul 20252512 AMAQI
28th Jul 2025321 AMAQI
28th Jul 2025352 AMAQI
28th Jul 2025343 AMAQI
28th Jul 2025334 AMAQI
28th Jul 2025325 AMAQI
28°C27/30°C
28th Jul 2025326 AMAQI
28th Jul 2025327 AMAQI
28th Jul 2025228 AMAQI
28th Jul 2025209 AMAQI
28th Jul 20251810 AMAQI
28th Jul 20252011 AMAQI
28th Jul 20252012 PMAQI
28th Jul 2025191 PMAQI
28th Jul 2025172 PMAQI
28th Jul 2025173 PMAQI
28th Jul 2025174 PMAQI
28th Jul 2025185 PMAQI
28th Jul 2025166 PMAQI
28th Jul 2025207 PMAQI
28th Jul 2025248 PMAQI
28th Jul 2025259 PMAQI
28th Jul 20252510 PMAQI
28th Jul 20252711 PMAQI
29th Jul 20252812 AMAQI
29th Jul 2025321 AMAQI
29th Jul 2025352 AMAQI
29th Jul 2025333 AMAQI
29th Jul 2025304 AMAQI
29th Jul 2025305 AMAQI
28°C27/29°C
29th Jul 2025306 AMAQI
29th Jul 2025287 AMAQI
29th Jul 2025308 AMAQI
29th Jul 2025209 AMAQI
29th Jul 20253010 AMAQI
29th Jul 20252811 AMAQI
29th Jul 20252712 PMAQI
29th Jul 2025171 PMAQI
29th Jul 2025172 PMAQI
29th Jul 2025173 PMAQI
29th Jul 2025184 PMAQI
29th Jul 2025185 PMAQI
29th Jul 2025156 PMAQI
29th Jul 2025227 PMAQI
29th Jul 2025268 PMAQI
29th Jul 2025269 PMAQI
29th Jul 20253010 PMAQI
29th Jul 20252611 PMAQI
30th Jul 20252412 AMAQI
30th Jul 2025261 AMAQI
30th Jul 2025252 AMAQI
30th Jul 2025273 AMAQI
30th Jul 2025284 AMAQI
30th Jul 2025335 AMAQI
29°C27/30°C
30th Jul 2025366 AMAQI
30th Jul 2025377 AMAQI
30th Jul 2025458 AMAQI
30th Jul 2025479 AMAQI
30th Jul 20254110 AMAQI
30th Jul 20253711 AMAQI
30th Jul 20253412 PMAQI
30th Jul 2025411 PMAQI
30th Jul 2025382 PMAQI
30th Jul 2025403 PMAQI
30th Jul 2025364 PMAQI
30th Jul 2025345 PMAQI
30th Jul 2025386 PMAQI
30th Jul 2025327 PMAQI
30th Jul 2025238 PMAQI
30th Jul 2025239 PMAQI
30th Jul 20252410 PMAQI
30th Jul 20252311 PMAQI
31st Jul 20254112 AMAQI
31st Jul 2025381 AMAQI
31st Jul 2025402 AMAQI
31st Jul 2025393 AMAQI
31st Jul 2025394 AMAQI
31st Jul 2025395 AMAQI
29°C28/29°C
31st Jul 2025396 AMAQI
31st Jul 2025397 AMAQI
31st Jul 2025398 AMAQI
31st Jul 2025399 AMAQI
31st Jul 20255010 AMAQI
31st Jul 20253211 AMAQI
31st Jul 20252412 PMAQI
31st Jul 2025241 PMAQI
31st Jul 2025232 PMAQI
31st Jul 2025223 PMAQI
31st Jul 2025214 PMAQI
31st Jul 2025225 PMAQI
31st Jul 2025466 PMAQI
31st Jul 2025487 PMAQI
31st Jul 2025498 PMAQI
31st Jul 2025499 PMAQI
31st Jul 20255410 PMAQI
31st Jul 20255411 PMAQI
1st Aug 20255712 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 2025566 AMAQI
1st Aug 2025567 AMAQI
1st Aug 2025508 AMAQI
1st Aug 2025469 AMAQI
1st Aug 20254310 AMAQI
1st Aug 20255211 AMAQI
1st Aug 20255212 PMAQI
1st Aug 2025511 PMAQI
1st Aug 2025532 PMAQI
1st Aug 2025503 PMAQI
1st Aug 2025534 PMAQI
1st Aug 2025495 PMAQI
1st Aug 2025516 PMAQI
1st Aug 2025497 PMAQI
1st Aug 2025548 PMAQI
1st Aug 2025539 PMAQI
1st Aug 20255610 PMAQI
1st Aug 20255611 PMAQI
2nd Aug 20255612 AMAQI
2nd Aug 2025561 AMAQI
2nd Aug 2025562 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 2025458 AMAQI
2nd Aug 2025429 AMAQI
2nd Aug 20254110 AMAQI
2nd Aug 20254211 AMAQI
2nd Aug 20254712 PMAQI
2nd Aug 2025441 PMAQI
2nd Aug 2025552 PMAQI
2nd Aug 2025553 PMAQI
2nd Aug 2025544 PMAQI
2nd Aug 2025605 PMAQI
2nd Aug 2025656 PMAQI
2nd Aug 2025597 PMAQI
2nd Aug 2025598 PMAQI
2nd Aug 2025579 PMAQI
2nd Aug 20255910 PMAQI
2nd Aug 20256111 PMAQI
3rd Aug 20255812 AMAQI
3rd Aug 2025561 AMAQI
3rd Aug 2025562 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025544 AMAQI
3rd Aug 2025545 AMAQI
29°C28/31°C
3rd Aug 2025556 AMAQI
3rd Aug 2025557 AMAQI
3rd Aug 2025578 AMAQI
3rd Aug 2025669 AMAQI
3rd Aug 20256210 AMAQI
3rd Aug 20256011 AMAQI
3rd Aug 20256212 PMAQI
3rd Aug 2025601 PMAQI
3rd Aug 2025502 PMAQI
3rd Aug 2025403 PMAQI
3rd Aug 2025394 PMAQI
3rd Aug 2025425 PMAQI
3rd Aug 2025406 PMAQI
3rd Aug 2025577 PMAQI
3rd Aug 2025568 PMAQI
3rd Aug 2025569 PMAQI
3rd Aug 20255510 PMAQI
3rd Aug 20255611 PMAQI
4th Aug 20255612 AMAQI
4th Aug 2025551 AMAQI
4th Aug 2025562 AMAQI
4th Aug 2025563 AMAQI
4th Aug 2025574 AMAQI
4th Aug 2025565 AMAQI
30°C29/31°C
4th Aug 2025576 AMAQI
4th Aug 2025577 AMAQI
4th Aug 2025488 AMAQI
4th Aug 2025369 AMAQI
4th Aug 20255910 AMAQI
4th Aug 20255811 AMAQI
4th Aug 20253812 PMAQI
4th Aug 2025441 PMAQI
4th Aug 2025482 PMAQI
4th Aug 2025493 PMAQI
4th Aug 2025364 PMAQI
4th Aug 2025375 PMAQI
4th Aug 2025446 PMAQI
4th Aug 2025517 PMAQI
4th Aug 2025528 PMAQI
4th Aug 2025539 PMAQI
4th Aug 20255310 PMAQI
4th Aug 20255311 PMAQI
5th Aug 20255312 AMAQI
5th Aug 2025551 AMAQI
5th Aug 2025562 AMAQI
5th Aug 2025563 AMAQI
5th Aug 2025564 AMAQI
5th Aug 2025565 AMAQI
30°C29/31°C
5th Aug 2025566 AMAQI
6 AM5th Aug 2025557 AMAQI
5th Aug 2025418 AMAQI
5th Aug 2025389 AMAQI
5th Aug 20255110 AMAQI
5th Aug 20254711 AMAQI
5th Aug 20254212 PMAQI
12 PM5th Aug 2025521 PMAQI
5th Aug 2025422 PMAQI
5th Aug 2025473 PMAQI
7 PM
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 7 AM
40AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
9 AM - 6 PM
29AQI
10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 7 AM (Avg. 40), while the lowest AQI was between 9 AM to 6 PM (Avg. 29).
Night time
Avg. Highest Time
12 AM - 5 AM
40AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
8 PM - 11 PM
37AQI
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. 40), while the lowest AQI was between 8 PM to 11 PM (Avg. 37).
2025 Days Vs Air Quality
City Land Resources Bureau Station, Basuo, Hainan, China
2025
49%
105
49%
105
3%
6
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
105 DaysModerate
105 DaysPoor
6 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 49%
Health Risk Level:
Significant
In 2025, 49% of 217 days were within WHO’s safe air quality limits, and 51% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
City Land Resources Bureau Station, 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
106AQI
106AQI
2nd January 2025
85AQI
85AQI
3rd January 2025
97AQI
97AQI
4th January 2025
89AQI
89AQI
5th January 2025
108AQI
108AQI
6th January 2025
95AQI
95AQI
7th January 2025
86AQI
86AQI
8th January 2025
89AQI
89AQI
9th January 2025
99AQI
99AQI
10th January 2025
90AQI
90AQI
11th January 2025
87AQI
87AQI
12th January 2025
89AQI
89AQI
13th January 2025
76AQI
76AQI
14th January 2025
75AQI
75AQI
15th January 2025
88AQI
88AQI
16th January 2025
92AQI
92AQI
17th January 2025
99AQI
99AQI
18th January 2025
89AQI
89AQI
19th January 2025
99AQI
99AQI
20th January 2025
102AQI
102AQI
21st January 2025
92AQI
92AQI
22nd January 2025
107AQI
107AQI
23rd January 2025
93AQI
93AQI
24th January 2025
69AQI
69AQI
25th January 2025
68AQI
68AQI
26th January 2025
53AQI
53AQI
27th January 2025
65AQI
65AQI
28th January 2025
67AQI
67AQI
29th January 2025
67AQI
67AQI
30th January 2025
64AQI
64AQI
31st January 2025
57AQI
57AQI
1st February 2025
45AQI
45AQI
2nd February 2025
55AQI
55AQI
3rd February 2025
59AQI
59AQI
4th February 2025
50AQI
50AQI
5th February 2025
46AQI
46AQI
6th February 2025
59AQI
59AQI
7th February 2025
59AQI
59AQI
8th February 2025
52AQI
52AQI
9th February 2025
63AQI
63AQI
10th February 2025
59AQI
59AQI
11th February 2025
57AQI
57AQI
12th February 2025
58AQI
58AQI
13th February 2025
60AQI
60AQI
14th February 2025
52AQI
52AQI
15th February 2025
79AQI
79AQI
16th February 2025
57AQI
57AQI
17th February 2025
81AQI
81AQI
18th February 2025
63AQI
63AQI
19th February 2025
92AQI
92AQI
20th February 2025
71AQI
71AQI
21st February 2025
66AQI
66AQI
22nd February 2025
49AQI
49AQI
23rd February 2025
44AQI
44AQI
24th February 2025
36AQI
36AQI
25th February 2025
35AQI
35AQI
26th February 2025
48AQI
48AQI
27th February 2025
58AQI
58AQI
28th February 2025
54AQI
54AQI
1st March 2025
60AQI
60AQI
2nd March 2025
51AQI
51AQI
3rd March 2025
61AQI
61AQI
4th March 2025
56AQI
56AQI
5th March 2025
73AQI
73AQI
6th March 2025
35AQI
35AQI
7th March 2025
47AQI
47AQI
8th March 2025
32AQI
32AQI
9th March 2025
59AQI
59AQI
10th March 2025
61AQI
61AQI
11th March 2025
60AQI
60AQI
12th March 2025
49AQI
49AQI
13th March 2025
50AQI
50AQI
14th March 2025
44AQI
44AQI
15th March 2025
53AQI
53AQI
16th March 2025
53AQI
53AQI
17th March 2025
67AQI
67AQI
18th March 2025
60AQI
60AQI
19th March 2025
77AQI
77AQI
20th March 2025
72AQI
72AQI
21st March 2025
89AQI
89AQI
22nd March 2025
73AQI
73AQI
23rd March 2025
74AQI
74AQI
24th March 2025
70AQI
70AQI
25th March 2025
62AQI
62AQI
26th March 2025
58AQI
58AQI
27th March 2025
55AQI
55AQI
28th March 2025
70AQI
70AQI
29th March 2025
44AQI
44AQI
30th March 2025
33AQI
33AQI
31st March 2025
32AQI
32AQI
1st April 2025
37AQI
37AQI
2nd April 2025
59AQI
59AQI
3rd April 2025
65AQI
65AQI
4th April 2025
60AQI
60AQI
5th April 2025
62AQI
62AQI
6th April 2025
50AQI
50AQI
7th April 2025
58AQI
58AQI
8th April 2025
55AQI
55AQI
9th April 2025
58AQI
58AQI
10th April 2025
56AQI
56AQI
11th April 2025
69AQI
69AQI
12th April 2025
58AQI
58AQI
13th April 2025
119AQI
119AQI
14th April 2025
114AQI
114AQI
15th April 2025
88AQI
88AQI
16th April 2025
73AQI
73AQI
17th April 2025
74AQI
74AQI
18th April 2025
67AQI
67AQI
19th April 2025
58AQI
58AQI
20th April 2025
54AQI
54AQI
21st April 2025
56AQI
56AQI
22nd April 2025
57AQI
57AQI
23rd April 2025
49AQI
49AQI
24th April 2025
56AQI
56AQI
25th April 2025
54AQI
54AQI
26th April 2025
53AQI
53AQI
27th April 2025
52AQI
52AQI
28th April 2025
54AQI
54AQI
29th April 2025
37AQI
37AQI
30th April 2025
48AQI
48AQI
1st May 2025
46AQI
46AQI
2nd May 2025
56AQI
56AQI
3rd May 2025
57AQI
57AQI
4th May 2025
58AQI
58AQI
5th May 2025
46AQI
46AQI
6th May 2025
54AQI
54AQI
7th May 2025
58AQI
58AQI
8th May 2025
52AQI
52AQI
9th May 2025
53AQI
53AQI
10th May 2025
44AQI
44AQI
11th May 2025
46AQI
46AQI
12th May 2025
55AQI
55AQI
13th May 2025
56AQI
56AQI
14th May 2025
45AQI
45AQI
15th May 2025
34AQI
34AQI
16th May 2025
31AQI
31AQI
17th May 2025
31AQI
31AQI
18th May 2025
35AQI
35AQI
19th May 2025
30AQI
30AQI
20th May 2025
29AQI
29AQI
21st May 2025
28AQI
28AQI
22nd May 2025
27AQI
27AQI
23rd May 2025
26AQI
26AQI
24th May 2025
30AQI
30AQI
25th May 2025
34AQI
34AQI
26th May 2025
47AQI
47AQI
27th May 2025
46AQI
46AQI
28th May 2025
37AQI
37AQI
29th May 2025
35AQI
35AQI
30th May 2025
38AQI
38AQI
31st May 2025
30AQI
30AQI
1st June 2025
32AQI
32AQI
2nd June 2025
31AQI
31AQI
3rd June 2025
34AQI
34AQI
4th June 2025
38AQI
38AQI
5th June 2025
33AQI
33AQI
6th June 2025
35AQI
35AQI
7th June 2025
30AQI
30AQI
8th June 2025
33AQI
33AQI
9th June 2025
43AQI
43AQI
10th June 2025
44AQI
44AQI
11th June 2025
40AQI
40AQI
12th June 2025
29AQI
29AQI
13th June 2025
34AQI
34AQI
14th June 2025
31AQI
31AQI
15th June 2025
30AQI
30AQI
16th June 2025
30AQI
30AQI
17th June 2025
34AQI
34AQI
18th June 2025
32AQI
32AQI
19th June 2025
33AQI
33AQI
20th June 2025
31AQI
31AQI
21st June 2025
34AQI
34AQI
22nd June 2025
44AQI
44AQI
23rd June 2025
33AQI
33AQI
24th June 2025
34AQI
34AQI
25th June 2025
33AQI
33AQI
26th June 2025
30AQI
30AQI
27th June 2025
31AQI
31AQI
28th June 2025
28AQI
28AQI
29th June 2025
26AQI
26AQI
30th June 2025
25AQI
25AQI
1st July 2025
30AQI
30AQI
2nd July 2025
26AQI
26AQI
3rd July 2025
26AQI
26AQI
4th July 2025
24AQI
24AQI
5th July 2025
24AQI
24AQI
6th July 2025
24AQI
24AQI
7th July 2025
24AQI
24AQI
8th July 2025
27AQI
27AQI
9th July 2025
33AQI
33AQI
10th July 2025
37AQI
37AQI
11th July 2025
42AQI
42AQI
12th July 2025
35AQI
35AQI
13th July 2025
35AQI
35AQI
14th July 2025
43AQI
43AQI
15th July 2025
42AQI
42AQI
16th July 2025
38AQI
38AQI
17th July 2025
36AQI
36AQI
18th July 2025
37AQI
37AQI
19th July 2025
32AQI
32AQI
20th July 2025
30AQI
30AQI
21st July 2025
29AQI
29AQI
22nd July 2025
25AQI
25AQI
23rd July 2025
24AQI
24AQI
24th July 2025
27AQI
27AQI
25th July 2025
29AQI
29AQI
26th July 2025
28AQI
28AQI
27th July 2025
27AQI
27AQI
28th July 2025
25AQI
25AQI
29th July 2025
26AQI
26AQI
30th July 2025
32AQI
32AQI
31st July 2025
39AQI
39AQI
1st August 2025
53AQI
53AQI
2nd August 2025
54AQI
54AQI
3rd August 2025
54AQI
54AQI
4th August 2025
54AQI
54AQI
85AQI
57AQI
57AQI
62AQI
42AQI
33AQI
31AQI
54AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202552AQI
27
4
8
20
9
22
5
23
2
22
9
30
31
4
105
105
6
Highest AQI recorded in
January85AQI
Lowest AQI recorded in
July31AQI
202448AQI
3
18
4
12
1
10
11
1
3
14
1
19
4
29
1
31
31
29
19
11
1
21
9
26
5
199
106
9
Highest AQI recorded in
December80AQI
Lowest AQI recorded in
August31AQI
202354AQI
1
9
1
1
2
8
3
2
1
1
1
5
2
9
3
2
3
18
12
42
38
4
Highest AQI recorded in
January79AQI
Lowest AQI recorded in
July19AQI
202246AQI
3
24
1
12
9
1
6
25
8
20
2
28
3
28
2
20
1
6
4
12
13
19
3
1
5
7
1
148
110
6
Highest AQI recorded in
January66AQI
Lowest AQI recorded in
August14AQI
202156AQI
19
10
2
3
24
1
2
25
4
29
1
28
3
23
7
29
2
24
7
29
1
23
8
9
19
2
3
26
2
173
170
20
2
Highest AQI recorded in
January98AQI
Lowest AQI recorded in
September32AQI
202046AQI
4
3
5
8
16
25
31
29
1
25
4
10
17
9
17
4
2
17
10
2
156
67
14
2
Highest AQI recorded in
December92AQI
Lowest AQI recorded in
August23AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
56AQILeast Polluted Year Recorded
2020(Avg.)
46AQICity Land Resources Bureau Station's annual 2025 AQI (52) shows an average percentage change of 5.3% (worsened AQI) compared to previous years: 2020 (46), 2021 (56), 2022 (46), 2023 (54), 2024 (48).
