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+
September 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
7th Sep 2022
85AQILowest AQI recorded on
8th Sep 2022
12AQISame Day Analysis (23rd September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 29 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 24th Sep - 25th Sep 2025
City Land Resources Bureau Station, Basuo, Hainan, China
AQI
Day
Night
.
6 AM24th Sep 2025
6 PM
5 AM25th Sep 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
11PM24th Sep
35AQI
Avg. Lowest Time
4PM24th Sep
21AQI
In the last 24 hours,
City Land Resources Bureau Station's AQI reached its highest point of 35 at 11 PM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 24th Sep and 25th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
City Land Resources Bureau Station, Basuo, Hainan, China
AugSep
26th - 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 - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th
Day
Night
26th Aug 2025326 AMAQI
26th Aug 2025347 AMAQI
26th Aug 2025228 AMAQI
26th Aug 2025219 AMAQI
26th Aug 20252410 AMAQI
26th Aug 20252411 AMAQI
26th Aug 20252212 PMAQI
26th Aug 2025231 PMAQI
26th Aug 2025162 PMAQI
26th Aug 2025203 PMAQI
26th Aug 2025174 PMAQI
26th Aug 2025215 PMAQI
26th Aug 2025196 PMAQI
26th Aug 2025207 PMAQI
26th Aug 2025328 PMAQI
26th Aug 2025409 PMAQI
26th Aug 20252610 PMAQI
26th Aug 20252611 PMAQI
27th Aug 20252812 AMAQI
27th Aug 2025341 AMAQI
27th Aug 2025372 AMAQI
27th Aug 2025353 AMAQI
27th Aug 2025334 AMAQI
27th Aug 2025325 AMAQI
28°C26/30°C
27th Aug 2025326 AMAQI
27th Aug 2025327 AMAQI
27th Aug 2025258 AMAQI
27th Aug 2025209 AMAQI
27th Aug 20253510 AMAQI
27th Aug 20253811 AMAQI
27th Aug 20253212 PMAQI
27th Aug 2025281 PMAQI
27th Aug 2025262 PMAQI
27th Aug 2025273 PMAQI
27th Aug 2025224 PMAQI
27th Aug 2025175 PMAQI
27th Aug 2025316 PMAQI
27th Aug 2025277 PMAQI
27th Aug 2025258 PMAQI
27th Aug 2025249 PMAQI
27th Aug 20252510 PMAQI
27th Aug 20252711 PMAQI
28th Aug 20252612 AMAQI
28th Aug 2025341 AMAQI
28th Aug 2025352 AMAQI
28th Aug 2025343 AMAQI
28th Aug 2025344 AMAQI
28th Aug 2025345 AMAQI
27°C26/30°C
28th Aug 2025356 AMAQI
28th Aug 2025337 AMAQI
28th Aug 2025308 AMAQI
28th Aug 2025359 AMAQI
28th Aug 20253310 AMAQI
28th Aug 20252211 AMAQI
28th Aug 20252712 PMAQI
28th Aug 2025281 PMAQI
28th Aug 2025212 PMAQI
28th Aug 2025223 PMAQI
28th Aug 2025494 PMAQI
28th Aug 2025425 PMAQI
28th Aug 2025366 PMAQI
28th Aug 2025277 PMAQI
28th Aug 2025288 PMAQI
28th Aug 2025319 PMAQI
28th Aug 20253510 PMAQI
28th Aug 20252811 PMAQI
29th Aug 20253212 AMAQI
29th Aug 2025401 AMAQI
29th Aug 2025432 AMAQI
29th Aug 2025413 AMAQI
29th Aug 2025424 AMAQI
29th Aug 2025405 AMAQI
28°C26/31°C
29th Aug 2025436 AMAQI
29th Aug 2025407 AMAQI
29th Aug 2025388 AMAQI
29th Aug 2025299 AMAQI
29th Aug 20252610 AMAQI
29th Aug 20252211 AMAQI
29th Aug 20252912 PMAQI
29th Aug 2025291 PMAQI
29th Aug 2025302 PMAQI
29th Aug 2025313 PMAQI
29th Aug 2025294 PMAQI
29th Aug 2025285 PMAQI
29th Aug 2025446 PMAQI
29th Aug 2025437 PMAQI
29th Aug 2025418 PMAQI
29th Aug 2025349 PMAQI
29th Aug 20253610 PMAQI
29th Aug 20253311 PMAQI
30th Aug 20253712 AMAQI
30th Aug 2025411 AMAQI
30th Aug 2025412 AMAQI
30th Aug 2025383 AMAQI
30th Aug 2025374 AMAQI
30th Aug 2025395 AMAQI
27°C25/29°C
30th Aug 2025396 AMAQI
30th Aug 2025387 AMAQI
30th Aug 2025228 AMAQI
30th Aug 2025289 AMAQI
30th Aug 20252210 AMAQI
30th Aug 20251711 AMAQI
30th Aug 20252912 PMAQI
30th Aug 2025231 PMAQI
30th Aug 2025202 PMAQI
30th Aug 2025243 PMAQI
30th Aug 2025184 PMAQI
30th Aug 2025145 PMAQI
30th Aug 2025206 PMAQI
30th Aug 2025307 PMAQI
30th Aug 2025338 PMAQI
30th Aug 2025359 PMAQI
30th Aug 20253410 PMAQI
30th Aug 20253311 PMAQI
31st Aug 20253412 AMAQI
31st Aug 2025361 AMAQI
31st Aug 2025432 AMAQI
31st Aug 2025403 AMAQI
31st Aug 2025374 AMAQI
31st Aug 2025365 AMAQI
28°C26/31°C
31st Aug 2025386 AMAQI
31st Aug 2025387 AMAQI
31st Aug 2025218 AMAQI
31st Aug 2025189 AMAQI
31st Aug 20251810 AMAQI
31st Aug 20252011 AMAQI
31st Aug 20252612 PMAQI
31st Aug 2025311 PMAQI
31st Aug 2025212 PMAQI
31st Aug 2025223 PMAQI
31st Aug 2025254 PMAQI
31st Aug 2025195 PMAQI
31st Aug 2025226 PMAQI
31st Aug 2025247 PMAQI
31st Aug 2025308 PMAQI
31st Aug 2025319 PMAQI
31st Aug 20254010 PMAQI
31st Aug 20254211 PMAQI
1st Sep 20253112 AMAQI
1st Sep 2025391 AMAQI
1st Sep 2025392 AMAQI
1st Sep 2025373 AMAQI
1st Sep 2025364 AMAQI
1st Sep 2025375 AMAQI
28°C26/30°C
1st Sep 2025446 AMAQI
1st Sep 2025407 AMAQI
1st Sep 2025178 AMAQI
1st Sep 2025179 AMAQI
1st Sep 20251410 AMAQI
1st Sep 20251711 AMAQI
1st Sep 20251612 PMAQI
1st Sep 2025251 PMAQI
1st Sep 2025212 PMAQI
1st Sep 2025193 PMAQI
1st Sep 2025234 PMAQI
1st Sep 2025285 PMAQI
1st Sep 2025316 PMAQI
1st Sep 2025297 PMAQI
1st Sep 2025338 PMAQI
1st Sep 2025309 PMAQI
1st Sep 20252910 PMAQI
1st Sep 20252811 PMAQI
2nd Sep 20253112 AMAQI
2nd Sep 2025401 AMAQI
2nd Sep 2025402 AMAQI
2nd Sep 2025393 AMAQI
2nd Sep 2025374 AMAQI
2nd Sep 2025375 AMAQI
28°C26/30°C
2nd Sep 2025366 AMAQI
2nd Sep 2025437 AMAQI
2nd Sep 2025288 AMAQI
2nd Sep 2025319 AMAQI
2nd Sep 20252010 AMAQI
2nd Sep 20252911 AMAQI
2nd Sep 20252312 PMAQI
2nd Sep 2025201 PMAQI
2nd Sep 2025162 PMAQI
2nd Sep 2025273 PMAQI
2nd Sep 2025134 PMAQI
2nd Sep 2025185 PMAQI
2nd Sep 2025366 PMAQI
2nd Sep 2025267 PMAQI
2nd Sep 2025388 PMAQI
2nd Sep 2025359 PMAQI
2nd Sep 20252910 PMAQI
2nd Sep 20253711 PMAQI
3rd Sep 20253612 AMAQI
3rd Sep 2025331 AMAQI
3rd Sep 2025422 AMAQI
3rd Sep 2025423 AMAQI
3rd Sep 2025384 AMAQI
3rd Sep 2025355 AMAQI
28°C26/30°C
3rd Sep 2025376 AMAQI
3rd Sep 2025367 AMAQI
3rd Sep 2025248 AMAQI
3rd Sep 2025209 AMAQI
3rd Sep 20252910 AMAQI
3rd Sep 20253411 AMAQI
3rd Sep 20253212 PMAQI
3rd Sep 2025261 PMAQI
3rd Sep 2025242 PMAQI
3rd Sep 2025213 PMAQI
3rd Sep 2025204 PMAQI
3rd Sep 2025315 PMAQI
3rd Sep 2025396 PMAQI
3rd Sep 2025287 PMAQI
3rd Sep 2025288 PMAQI
3rd Sep 2025299 PMAQI
3rd Sep 20253010 PMAQI
3rd Sep 20252911 PMAQI
4th Sep 20253112 AMAQI
4th Sep 2025401 AMAQI
4th Sep 2025402 AMAQI
4th Sep 2025393 AMAQI
4th Sep 2025364 AMAQI
4th Sep 2025365 AMAQI
28°C27/30°C
4th Sep 2025356 AMAQI
4th Sep 2025367 AMAQI
4th Sep 2025228 AMAQI
4th Sep 2025249 AMAQI
4th Sep 20252210 AMAQI
4th Sep 20252011 AMAQI
4th Sep 20253412 PMAQI
4th Sep 2025271 PMAQI
4th Sep 2025212 PMAQI
4th Sep 2025223 PMAQI
4th Sep 2025194 PMAQI
4th Sep 2025255 PMAQI
4th Sep 2025206 PMAQI
4th Sep 2025257 PMAQI
4th Sep 2025258 PMAQI
4th Sep 2025169 PMAQI
4th Sep 20251710 PMAQI
4th Sep 20251811 PMAQI
5th Sep 20253012 AMAQI
5th Sep 2025351 AMAQI
5th Sep 2025352 AMAQI
5th Sep 2025323 AMAQI
5th Sep 2025314 AMAQI
5th Sep 2025405 AMAQI
28°C26/30°C
5th Sep 2025386 AMAQI
5th Sep 2025367 AMAQI
5th Sep 2025288 AMAQI
5th Sep 2025259 AMAQI
5th Sep 20253210 AMAQI
5th Sep 20252111 AMAQI
5th Sep 20252512 PMAQI
5th Sep 2025261 PMAQI
5th Sep 2025242 PMAQI
5th Sep 2025323 PMAQI
5th Sep 2025204 PMAQI
5th Sep 2025345 PMAQI
5th Sep 2025246 PMAQI
5th Sep 2025277 PMAQI
5th Sep 2025288 PMAQI
5th Sep 2025349 PMAQI
5th Sep 20252910 PMAQI
5th Sep 20253311 PMAQI
6th Sep 20253112 AMAQI
6th Sep 2025321 AMAQI
6th Sep 2025352 AMAQI
6th Sep 2025363 AMAQI
6th Sep 2025354 AMAQI
6th Sep 2025335 AMAQI
28°C27/30°C
6th Sep 2025356 AMAQI
6th Sep 2025357 AMAQI
6th Sep 2025188 AMAQI
6th Sep 2025249 AMAQI
6th Sep 20251810 AMAQI
6th Sep 20252411 AMAQI
6th Sep 20252112 PMAQI
6th Sep 2025181 PMAQI
6th Sep 2025192 PMAQI
6th Sep 2025243 PMAQI
6th Sep 2025304 PMAQI
6th Sep 2025195 PMAQI
6th Sep 2025246 PMAQI
6th Sep 2025267 PMAQI
6th Sep 2025228 PMAQI
6th Sep 2025289 PMAQI
6th Sep 20252810 PMAQI
6th Sep 20252611 PMAQI
7th Sep 20252812 AMAQI
7th Sep 2025341 AMAQI
7th Sep 2025362 AMAQI
7th Sep 2025343 AMAQI
7th Sep 2025334 AMAQI
7th Sep 2025355 AMAQI
28°C26/30°C
7th Sep 2025356 AMAQI
7th Sep 2025357 AMAQI
7th Sep 2025288 AMAQI
7th Sep 2025269 AMAQI
7th Sep 20253410 AMAQI
7th Sep 20253711 AMAQI
7th Sep 20252912 PMAQI
7th Sep 2025541 PMAQI
7th Sep 2025552 PMAQI
7th Sep 2025543 PMAQI
7th Sep 2025524 PMAQI
7th Sep 2025455 PMAQI
7th Sep 2025516 PMAQI
7th Sep 2025527 PMAQI
7th Sep 2025538 PMAQI
7th Sep 2025529 PMAQI
7th Sep 20255510 PMAQI
7th Sep 20255311 PMAQI
8th Sep 20254412 AMAQI
8th Sep 2025341 AMAQI
8th Sep 2025362 AMAQI
8th Sep 2025383 AMAQI
8th Sep 2025394 AMAQI
8th Sep 2025375 AMAQI
28°C27/30°C
8th Sep 2025376 AMAQI
8th Sep 2025387 AMAQI
8th Sep 2025298 AMAQI
8th Sep 2025409 AMAQI
8th Sep 20254210 AMAQI
8th Sep 20254011 AMAQI
8th Sep 20252612 PMAQI
8th Sep 2025201 PMAQI
8th Sep 2025302 PMAQI
8th Sep 2025243 PMAQI
8th Sep 2025274 PMAQI
8th Sep 2025355 PMAQI
8th Sep 2025286 PMAQI
8th Sep 2025307 PMAQI
8th Sep 2025328 PMAQI
8th Sep 2025369 PMAQI
8th Sep 20253510 PMAQI
8th Sep 20253811 PMAQI
9th Sep 20252912 AMAQI
9th Sep 2025421 AMAQI
9th Sep 2025392 AMAQI
9th Sep 2025403 AMAQI
9th Sep 2025424 AMAQI
9th Sep 2025425 AMAQI
28°C27/30°C
9th Sep 2025406 AMAQI
9th Sep 2025417 AMAQI
9th Sep 2025228 AMAQI
9th Sep 2025219 AMAQI
9th Sep 20252810 AMAQI
9th Sep 20251911 AMAQI
9th Sep 20251812 PMAQI
9th Sep 2025281 PMAQI
9th Sep 2025212 PMAQI
9th Sep 2025213 PMAQI
9th Sep 2025264 PMAQI
9th Sep 2025245 PMAQI
9th Sep 2025286 PMAQI
9th Sep 2025287 PMAQI
9th Sep 2025308 PMAQI
9th Sep 2025319 PMAQI
9th Sep 20253510 PMAQI
9th Sep 20253011 PMAQI
10th Sep 20253212 AMAQI
10th Sep 2025411 AMAQI
10th Sep 2025412 AMAQI
10th Sep 2025403 AMAQI
10th Sep 2025374 AMAQI
10th Sep 2025365 AMAQI
28°C27/31°C
10th Sep 2025376 AMAQI
10th Sep 2025377 AMAQI
10th Sep 2025158 AMAQI
10th Sep 2025189 AMAQI
10th Sep 20252110 AMAQI
10th Sep 20252011 AMAQI
10th Sep 20252412 PMAQI
10th Sep 2025221 PMAQI
10th Sep 2025222 PMAQI
10th Sep 2025223 PMAQI
10th Sep 2025314 PMAQI
10th Sep 2025325 PMAQI
10th Sep 2025266 PMAQI
10th Sep 2025307 PMAQI
10th Sep 2025388 PMAQI
10th Sep 2025459 PMAQI
10th Sep 20253810 PMAQI
10th Sep 20254211 PMAQI
11th Sep 20253412 AMAQI
11th Sep 2025381 AMAQI
11th Sep 2025382 AMAQI
11th Sep 2025353 AMAQI
11th Sep 2025364 AMAQI
11th Sep 2025345 AMAQI
28°C27/31°C
11th Sep 2025346 AMAQI
11th Sep 2025347 AMAQI
11th Sep 2025178 AMAQI
11th Sep 2025319 AMAQI
11th Sep 20252210 AMAQI
11th Sep 20253011 AMAQI
11th Sep 20252812 PMAQI
11th Sep 2025241 PMAQI
11th Sep 2025282 PMAQI
11th Sep 2025253 PMAQI
11th Sep 2025324 PMAQI
11th Sep 2025325 PMAQI
11th Sep 2025256 PMAQI
11th Sep 2025297 PMAQI
11th Sep 2025268 PMAQI
11th Sep 2025329 PMAQI
11th Sep 20253110 PMAQI
11th Sep 20252811 PMAQI
12th Sep 20252812 AMAQI
12th Sep 2025361 AMAQI
12th Sep 2025372 AMAQI
12th Sep 2025363 AMAQI
12th Sep 2025344 AMAQI
12th Sep 2025345 AMAQI
28°C26/31°C
12th Sep 2025366 AMAQI
12th Sep 2025347 AMAQI
12th Sep 2025278 AMAQI
12th Sep 2025239 AMAQI
12th Sep 20252210 AMAQI
12th Sep 20252311 AMAQI
12th Sep 20252012 PMAQI
12th Sep 2025181 PMAQI
12th Sep 2025212 PMAQI
12th Sep 2025223 PMAQI
12th Sep 2025144 PMAQI
12th Sep 2025195 PMAQI
12th Sep 2025266 PMAQI
12th Sep 2025247 PMAQI
12th Sep 2025268 PMAQI
12th Sep 2025339 PMAQI
12th Sep 20253210 PMAQI
12th Sep 20253011 PMAQI
13th Sep 20253412 AMAQI
13th Sep 2025361 AMAQI
13th Sep 2025352 AMAQI
13th Sep 2025333 AMAQI
13th Sep 2025344 AMAQI
13th Sep 2025335 AMAQI
28°C26/31°C
13th Sep 2025336 AMAQI
13th Sep 2025337 AMAQI
13th Sep 2025178 AMAQI
13th Sep 2025199 AMAQI
13th Sep 20251710 AMAQI
13th Sep 20251611 AMAQI
13th Sep 20252612 PMAQI
13th Sep 2025151 PMAQI
13th Sep 2025212 PMAQI
13th Sep 2025243 PMAQI
13th Sep 2025184 PMAQI
13th Sep 2025195 PMAQI
13th Sep 2025246 PMAQI
13th Sep 2025197 PMAQI
13th Sep 2025308 PMAQI
13th Sep 2025269 PMAQI
13th Sep 20252410 PMAQI
13th Sep 20252811 PMAQI
14th Sep 20252412 AMAQI
14th Sep 2025321 AMAQI
14th Sep 2025342 AMAQI
14th Sep 2025333 AMAQI
14th Sep 2025324 AMAQI
14th Sep 2025335 AMAQI
28°C26/30°C
14th Sep 2025326 AMAQI
14th Sep 2025337 AMAQI
14th Sep 2025228 AMAQI
14th Sep 2025269 AMAQI
14th Sep 20251810 AMAQI
14th Sep 20251811 AMAQI
14th Sep 20251312 PMAQI
14th Sep 2025151 PMAQI
14th Sep 2025162 PMAQI
14th Sep 2025193 PMAQI
14th Sep 2025144 PMAQI
14th Sep 2025215 PMAQI
14th Sep 2025176 PMAQI
14th Sep 2025227 PMAQI
14th Sep 2025258 PMAQI
14th Sep 2025289 PMAQI
14th Sep 20252610 PMAQI
14th Sep 20252811 PMAQI
15th Sep 20253012 AMAQI
15th Sep 2025321 AMAQI
15th Sep 2025312 AMAQI
15th Sep 2025323 AMAQI
15th Sep 2025314 AMAQI
15th Sep 2025305 AMAQI
28°C26/30°C
15th Sep 2025326 AMAQI
15th Sep 2025327 AMAQI
15th Sep 2025288 AMAQI
15th Sep 2025249 AMAQI
15th Sep 20251910 AMAQI
15th Sep 20252311 AMAQI
15th Sep 20251612 PMAQI
15th Sep 2025161 PMAQI
15th Sep 2025152 PMAQI
15th Sep 2025263 PMAQI
15th Sep 2025204 PMAQI
15th Sep 2025145 PMAQI
15th Sep 2025186 PMAQI
15th Sep 2025187 PMAQI
15th Sep 2025278 PMAQI
15th Sep 2025239 PMAQI
15th Sep 20252510 PMAQI
15th Sep 20252811 PMAQI
16th Sep 20252412 AMAQI
16th Sep 2025301 AMAQI
16th Sep 2025342 AMAQI
16th Sep 2025313 AMAQI
16th Sep 2025304 AMAQI
16th Sep 2025295 AMAQI
28°C26/30°C
16th Sep 2025306 AMAQI
16th Sep 2025307 AMAQI
16th Sep 2025208 AMAQI
16th Sep 2025189 AMAQI
16th Sep 20251910 AMAQI
16th Sep 20252111 AMAQI
16th Sep 20252212 PMAQI
16th Sep 2025221 PMAQI
16th Sep 2025182 PMAQI
16th Sep 2025193 PMAQI
16th Sep 2025144 PMAQI
16th Sep 2025205 PMAQI
16th Sep 2025176 PMAQI
16th Sep 2025207 PMAQI
16th Sep 2025248 PMAQI
16th Sep 2025239 PMAQI
16th Sep 20253110 PMAQI
16th Sep 20252211 PMAQI
17th Sep 20252612 AMAQI
17th Sep 2025311 AMAQI
17th Sep 2025312 AMAQI
17th Sep 2025303 AMAQI
17th Sep 2025284 AMAQI
17th Sep 2025285 AMAQI
27°C25/30°C
17th Sep 2025286 AMAQI
17th Sep 2025287 AMAQI
17th Sep 2025178 AMAQI
17th Sep 2025169 AMAQI
17th Sep 20252110 AMAQI
17th Sep 20251811 AMAQI
17th Sep 20251612 PMAQI
17th Sep 2025181 PMAQI
17th Sep 2025162 PMAQI
17th Sep 2025163 PMAQI
17th Sep 2025164 PMAQI
17th Sep 2025175 PMAQI
17th Sep 2025166 PMAQI
17th Sep 2025267 PMAQI
17th Sep 2025268 PMAQI
17th Sep 2025249 PMAQI
17th Sep 20252410 PMAQI
17th Sep 20252411 PMAQI
18th Sep 20252712 AMAQI
18th Sep 2025281 AMAQI
18th Sep 2025302 AMAQI
18th Sep 2025293 AMAQI
18th Sep 2025274 AMAQI
18th Sep 2025265 AMAQI
27°C25/30°C
18th Sep 2025276 AMAQI
18th Sep 2025327 AMAQI
18th Sep 2025328 AMAQI
18th Sep 2025349 AMAQI
18th Sep 20251710 AMAQI
18th Sep 20251611 AMAQI
18th Sep 20251612 PMAQI
18th Sep 2025151 PMAQI
18th Sep 2025202 PMAQI
18th Sep 2025223 PMAQI
18th Sep 2025324 PMAQI
18th Sep 2025235 PMAQI
18th Sep 2025306 PMAQI
18th Sep 2025297 PMAQI
18th Sep 2025248 PMAQI
18th Sep 2025259 PMAQI
18th Sep 20252010 PMAQI
18th Sep 20252211 PMAQI
19th Sep 20251912 AMAQI
19th Sep 2025221 AMAQI
19th Sep 2025292 AMAQI
19th Sep 2025283 AMAQI
19th Sep 2025284 AMAQI
19th Sep 2025275 AMAQI
28°C26/30°C
19th Sep 2025286 AMAQI
19th Sep 2025277 AMAQI
19th Sep 2025188 AMAQI
19th Sep 2025169 AMAQI
19th Sep 20251510 AMAQI
19th Sep 20252011 AMAQI
19th Sep 20252212 PMAQI
19th Sep 2025241 PMAQI
19th Sep 2025242 PMAQI
19th Sep 2025223 PMAQI
19th Sep 2025184 PMAQI
19th Sep 2025205 PMAQI
19th Sep 2025246 PMAQI
19th Sep 2025247 PMAQI
19th Sep 2025268 PMAQI
19th Sep 2025259 PMAQI
19th Sep 20252510 PMAQI
19th Sep 20253511 PMAQI
20th Sep 20253212 AMAQI
20th Sep 2025291 AMAQI
20th Sep 2025312 AMAQI
20th Sep 2025293 AMAQI
20th Sep 2025294 AMAQI
20th Sep 2025285 AMAQI
28°C26/30°C
20th Sep 2025286 AMAQI
20th Sep 2025287 AMAQI
20th Sep 2025198 AMAQI
20th Sep 2025249 AMAQI
20th Sep 20252210 AMAQI
20th Sep 20252111 AMAQI
20th Sep 20252112 PMAQI
20th Sep 2025211 PMAQI
20th Sep 2025202 PMAQI
20th Sep 2025213 PMAQI
20th Sep 2025224 PMAQI
20th Sep 2025255 PMAQI
20th Sep 2025256 PMAQI
20th Sep 2025307 PMAQI
20th Sep 2025338 PMAQI
20th Sep 2025459 PMAQI
20th Sep 20254410 PMAQI
20th Sep 20254411 PMAQI
21st Sep 20253612 AMAQI
21st Sep 2025311 AMAQI
21st Sep 2025322 AMAQI
21st Sep 2025333 AMAQI
21st Sep 2025334 AMAQI
21st Sep 2025305 AMAQI
28°C27/30°C
21st Sep 2025286 AMAQI
21st Sep 2025277 AMAQI
21st Sep 2025228 AMAQI
21st Sep 2025299 AMAQI
21st Sep 20253310 AMAQI
21st Sep 20253611 AMAQI
21st Sep 20252512 PMAQI
21st Sep 2025281 PMAQI
21st Sep 2025192 PMAQI
21st Sep 2025323 PMAQI
21st Sep 2025214 PMAQI
21st Sep 2025195 PMAQI
21st Sep 2025186 PMAQI
21st Sep 2025367 PMAQI
21st Sep 2025348 PMAQI
21st Sep 2025329 PMAQI
21st Sep 20252810 PMAQI
21st Sep 20253011 PMAQI
22nd Sep 20252912 AMAQI
22nd Sep 2025301 AMAQI
22nd Sep 2025312 AMAQI
22nd Sep 2025313 AMAQI
22nd Sep 2025324 AMAQI
22nd Sep 2025315 AMAQI
28°C26/31°C
22nd Sep 2025316 AMAQI
22nd Sep 2025347 AMAQI
22nd Sep 2025388 AMAQI
22nd Sep 2025329 AMAQI
22nd Sep 20253610 AMAQI
22nd Sep 20252811 AMAQI
22nd Sep 20252312 PMAQI
22nd Sep 2025271 PMAQI
22nd Sep 2025202 PMAQI
22nd Sep 2025233 PMAQI
22nd Sep 2025234 PMAQI
22nd Sep 2025235 PMAQI
22nd Sep 2025296 PMAQI
22nd Sep 2025307 PMAQI
22nd Sep 2025338 PMAQI
22nd Sep 2025469 PMAQI
22nd Sep 20254010 PMAQI
22nd Sep 20253111 PMAQI
23rd Sep 20253412 AMAQI
23rd Sep 2025321 AMAQI
23rd Sep 2025322 AMAQI
23rd Sep 2025323 AMAQI
23rd Sep 2025304 AMAQI
23rd Sep 2025315 AMAQI
28°C26/30°C
23rd Sep 2025306 AMAQI
23rd Sep 2025307 AMAQI
23rd Sep 2025288 AMAQI
23rd Sep 2025349 AMAQI
23rd Sep 20253610 AMAQI
23rd Sep 20253111 AMAQI
23rd Sep 20252112 PMAQI
23rd Sep 2025161 PMAQI
23rd Sep 2025152 PMAQI
23rd Sep 2025143 PMAQI
23rd Sep 2025194 PMAQI
23rd Sep 2025285 PMAQI
23rd Sep 2025266 PMAQI
23rd Sep 2025287 PMAQI
23rd Sep 2025328 PMAQI
23rd Sep 2025319 PMAQI
23rd Sep 20253210 PMAQI
23rd Sep 20254611 PMAQI
24th Sep 20254512 AMAQI
24th Sep 2025331 AMAQI
24th Sep 2025322 AMAQI
24th Sep 2025323 AMAQI
24th Sep 2025304 AMAQI
24th Sep 2025315 AMAQI
28°C26/30°C
24th Sep 2025306 AMAQI
24th Sep 2025307 AMAQI
24th Sep 2025258 AMAQI
24th Sep 2025269 AMAQI
24th Sep 20252810 AMAQI
24th Sep 20253211 AMAQI
24th Sep 20252712 PMAQI
24th Sep 2025271 PMAQI
24th Sep 2025262 PMAQI
24th Sep 2025233 PMAQI
24th Sep 2025214 PMAQI
24th Sep 2025235 PMAQI
24th Sep 2025266 PMAQI
24th Sep 2025277 PMAQI
24th Sep 2025328 PMAQI
24th Sep 2025319 PMAQI
24th Sep 20253210 PMAQI
24th Sep 20253511 PMAQI
25th Sep 20253212 AMAQI
--°C/°C
6 AM
12 PM
6 PM
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 7 AM
34AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
2 PM
22AQI
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. 34), while the lowest AQI was between 2 PM to 2 PM (Avg. 22).
Night time
Avg. Highest Time
2 AM - 5 AM
35AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM
28AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 5 AM (Avg. 35), while the lowest AQI was between 7 PM to 7 PM (Avg. 28).
2025 Days Vs Air Quality
City Land Resources Bureau Station, Basuo, Hainan, China
2025
58%
155
39%
105
2%
6
Total number of days with different AQI categories in last 267 days in 2025 (98 days remaining)
Good
155 DaysModerate
105 DaysPoor
6 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 58%
Health Risk Level:
Considerable
In 2025, 58% of 267 days were within WHO’s safe air quality limits, and 42% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
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
51AQI
51AQI
5th August 2025
50AQI
50AQI
6th August 2025
50AQI
50AQI
7th August 2025
48AQI
48AQI
8th August 2025
43AQI
43AQI
9th August 2025
42AQI
42AQI
10th August 2025
41AQI
41AQI
11th August 2025
39AQI
39AQI
12th August 2025
40AQI
40AQI
13th August 2025
37AQI
37AQI
14th August 2025
33AQI
33AQI
15th August 2025
31AQI
31AQI
16th August 2025
28AQI
28AQI
17th August 2025
28AQI
28AQI
18th August 2025
27AQI
27AQI
19th August 2025
26AQI
26AQI
20th August 2025
30AQI
30AQI
21st August 2025
32AQI
32AQI
22nd August 2025
31AQI
31AQI
23rd August 2025
33AQI
33AQI
24th August 2025
29AQI
29AQI
25th August 2025
28AQI
28AQI
26th August 2025
27AQI
27AQI
27th August 2025
29AQI
29AQI
28th August 2025
32AQI
32AQI
29th August 2025
36AQI
36AQI
30th August 2025
31AQI
31AQI
31st August 2025
30AQI
30AQI
1st September 2025
30AQI
30AQI
2nd September 2025
31AQI
31AQI
3rd September 2025
32AQI
32AQI
4th September 2025
27AQI
27AQI
5th September 2025
30AQI
30AQI
6th September 2025
27AQI
27AQI
7th September 2025
42AQI
42AQI
8th September 2025
34AQI
34AQI
9th September 2025
31AQI
31AQI
10th September 2025
32AQI
32AQI
11th September 2025
31AQI
31AQI
12th September 2025
28AQI
28AQI
13th September 2025
26AQI
26AQI
14th September 2025
25AQI
25AQI
15th September 2025
25AQI
25AQI
16th September 2025
24AQI
24AQI
17th September 2025
23AQI
23AQI
18th September 2025
25AQI
25AQI
19th September 2025
24AQI
24AQI
20th September 2025
29AQI
29AQI
21st September 2025
29AQI
29AQI
22nd September 2025
31AQI
31AQI
23rd September 2025
29AQI
29AQI
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
85AQI
57AQI
57AQI
62AQI
42AQI
33AQI
31AQI
37AQI
29AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202549AQI
27
4
8
20
9
22
5
23
2
22
9
30
31
27
4
23
155
105
6
Highest AQI recorded in
January85AQI
Lowest AQI recorded in
September29AQI
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 (49) shows an average percentage change of -2.4% (improved AQI) compared to previous years: 2020 (46), 2021 (56), 2022 (46), 2023 (54), 2024 (48).
