Land Environment And Resources Bureau, Chongshan, 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
Land Environment And Resources Bureau, Chongshan, Hainan, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2025
56AQILowest AQI recorded on
27th Aug 2021
18AQISame Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 56 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Land Environment And Resources Bureau, Chongshan, Hainan, China
AQI
Day
Night
.
6 AM2nd Aug 2025
7 PM
5 AM3rd Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
10PM2nd Aug
59AQI
Avg. Lowest Time
11AM2nd Aug
49AQI
In the last 24 hours,
Land Environment And Resources Bureau's AQI reached its highest point of 59 at 10 PM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Land Environment And Resources Bureau, Chongshan, Hainan, China
JulAug
04th - 05th05th - 06th06th - 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
Day
Night
4th Jul 2025326 AMAQI
4th Jul 2025307 AMAQI
4th Jul 2025388 AMAQI
4th Jul 2025349 AMAQI
4th Jul 20253610 AMAQI
4th Jul 20253811 AMAQI
4th Jul 20253412 PMAQI
4th Jul 2025321 PMAQI
4th Jul 2025342 PMAQI
4th Jul 2025283 PMAQI
4th Jul 2025304 PMAQI
4th Jul 2025305 PMAQI
4th Jul 2025266 PMAQI
4th Jul 2025287 PMAQI
4th Jul 2025328 PMAQI
4th Jul 2025329 PMAQI
4th Jul 20253110 PMAQI
4th Jul 20253311 PMAQI
5th Jul 20253012 AMAQI
5th Jul 2025291 AMAQI
5th Jul 2025322 AMAQI
5th Jul 2025323 AMAQI
5th Jul 2025344 AMAQI
5th Jul 2025335 AMAQI
24°C22/29°C
5th Jul 2025326 AMAQI
5th Jul 2025317 AMAQI
5th Jul 2025408 AMAQI
5th Jul 2025449 AMAQI
5th Jul 20254810 AMAQI
5th Jul 20255011 AMAQI
5th Jul 20254212 PMAQI
5th Jul 2025541 PMAQI
5th Jul 2025472 PMAQI
5th Jul 2025453 PMAQI
5th Jul 2025524 PMAQI
5th Jul 2025415 PMAQI
5th Jul 2025386 PMAQI
5th Jul 2025507 PMAQI
5th Jul 2025348 PMAQI
5th Jul 2025349 PMAQI
5th Jul 20253010 PMAQI
5th Jul 20253111 PMAQI
6th Jul 20252812 AMAQI
6th Jul 2025321 AMAQI
6th Jul 2025342 AMAQI
6th Jul 2025363 AMAQI
6th Jul 2025394 AMAQI
6th Jul 2025405 AMAQI
25°C22/31°C
6th Jul 2025406 AMAQI
6th Jul 2025387 AMAQI
6th Jul 2025348 AMAQI
6th Jul 2025329 AMAQI
6th Jul 20253310 AMAQI
6th Jul 20253011 AMAQI
6th Jul 20253012 PMAQI
6th Jul 2025331 PMAQI
6th Jul 2025322 PMAQI
6th Jul 2025263 PMAQI
6th Jul 2025324 PMAQI
6th Jul 2025315 PMAQI
6th Jul 2025346 PMAQI
6th Jul 2025297 PMAQI
6th Jul 2025328 PMAQI
6th Jul 2025329 PMAQI
6th Jul 20252910 PMAQI
6th Jul 20253011 PMAQI
7th Jul 20252912 AMAQI
7th Jul 2025321 AMAQI
7th Jul 2025352 AMAQI
7th Jul 2025363 AMAQI
7th Jul 2025344 AMAQI
7th Jul 2025345 AMAQI
25°C21/31°C
7th Jul 2025346 AMAQI
7th Jul 2025337 AMAQI
7th Jul 2025348 AMAQI
7th Jul 2025309 AMAQI
7th Jul 20253010 AMAQI
7th Jul 20252711 AMAQI
7th Jul 20252712 PMAQI
7th Jul 2025271 PMAQI
7th Jul 2025302 PMAQI
7th Jul 2025303 PMAQI
7th Jul 2025334 PMAQI
7th Jul 2025255 PMAQI
7th Jul 2025286 PMAQI
7th Jul 2025327 PMAQI
7th Jul 2025318 PMAQI
7th Jul 2025329 PMAQI
7th Jul 20253310 PMAQI
7th Jul 20253111 PMAQI
8th Jul 20253212 AMAQI
8th Jul 2025331 AMAQI
8th Jul 2025332 AMAQI
8th Jul 2025343 AMAQI
8th Jul 2025334 AMAQI
8th Jul 2025345 AMAQI
25°C22/32°C
8th Jul 2025346 AMAQI
8th Jul 2025347 AMAQI
8th Jul 2025348 AMAQI
8th Jul 2025349 AMAQI
8th Jul 20254010 AMAQI
8th Jul 20253911 AMAQI
8th Jul 20254112 PMAQI
8th Jul 2025391 PMAQI
8th Jul 2025382 PMAQI
8th Jul 2025353 PMAQI
8th Jul 2025344 PMAQI
8th Jul 2025355 PMAQI
8th Jul 2025346 PMAQI
8th Jul 2025397 PMAQI
8th Jul 2025438 PMAQI
8th Jul 2025379 PMAQI
8th Jul 20253810 PMAQI
8th Jul 20253511 PMAQI
9th Jul 20253712 AMAQI
9th Jul 2025381 AMAQI
9th Jul 2025402 AMAQI
9th Jul 2025383 AMAQI
9th Jul 2025384 AMAQI
9th Jul 2025385 AMAQI
28°C23/33°C
9th Jul 2025366 AMAQI
9th Jul 2025367 AMAQI
9th Jul 2025398 AMAQI
9th Jul 2025389 AMAQI
9th Jul 20254210 AMAQI
9th Jul 20254611 AMAQI
9th Jul 20254512 PMAQI
9th Jul 2025441 PMAQI
9th Jul 2025382 PMAQI
9th Jul 2025403 PMAQI
9th Jul 2025424 PMAQI
9th Jul 2025445 PMAQI
9th Jul 2025426 PMAQI
9th Jul 2025477 PMAQI
9th Jul 2025388 PMAQI
9th Jul 2025419 PMAQI
9th Jul 20253610 PMAQI
9th Jul 20253711 PMAQI
10th Jul 20253812 AMAQI
10th Jul 2025401 AMAQI
10th Jul 2025392 AMAQI
10th Jul 2025383 AMAQI
10th Jul 2025384 AMAQI
10th Jul 2025395 AMAQI
27°C23/32°C
10th Jul 2025386 AMAQI
10th Jul 2025387 AMAQI
10th Jul 2025408 AMAQI
10th Jul 2025419 AMAQI
10th Jul 20254210 AMAQI
10th Jul 20253811 AMAQI
10th Jul 20253912 PMAQI
10th Jul 2025441 PMAQI
10th Jul 2025502 PMAQI
10th Jul 2025543 PMAQI
10th Jul 2025454 PMAQI
10th Jul 2025425 PMAQI
10th Jul 2025366 PMAQI
10th Jul 2025317 PMAQI
10th Jul 2025388 PMAQI
10th Jul 2025379 PMAQI
10th Jul 20254010 PMAQI
10th Jul 20254811 PMAQI
11th Jul 20254612 AMAQI
11th Jul 2025411 AMAQI
11th Jul 2025472 AMAQI
11th Jul 2025443 AMAQI
11th Jul 2025464 AMAQI
11th Jul 2025455 AMAQI
26°C23/31°C
11th Jul 2025456 AMAQI
11th Jul 2025467 AMAQI
11th Jul 2025448 AMAQI
11th Jul 2025359 AMAQI
11th Jul 20254110 AMAQI
11th Jul 20254411 AMAQI
11th Jul 20254512 PMAQI
11th Jul 2025431 PMAQI
11th Jul 2025422 PMAQI
11th Jul 2025483 PMAQI
11th Jul 2025514 PMAQI
11th Jul 2025465 PMAQI
11th Jul 2025456 PMAQI
11th Jul 2025467 PMAQI
11th Jul 2025518 PMAQI
11th Jul 2025469 PMAQI
11th Jul 20254410 PMAQI
11th Jul 20254511 PMAQI
12th Jul 20254612 AMAQI
12th Jul 2025461 AMAQI
12th Jul 2025472 AMAQI
12th Jul 2025473 AMAQI
12th Jul 2025464 AMAQI
12th Jul 2025475 AMAQI
26°C23/29°C
12th Jul 2025476 AMAQI
12th Jul 2025477 AMAQI
12th Jul 2025408 AMAQI
12th Jul 2025399 AMAQI
12th Jul 20254010 AMAQI
12th Jul 20254411 AMAQI
12th Jul 20254312 PMAQI
12th Jul 2025421 PMAQI
12th Jul 2025402 PMAQI
12th Jul 2025363 PMAQI
12th Jul 2025354 PMAQI
12th Jul 2025345 PMAQI
12th Jul 2025366 PMAQI
12th Jul 2025387 PMAQI
12th Jul 2025418 PMAQI
12th Jul 2025439 PMAQI
12th Jul 20254410 PMAQI
12th Jul 20254911 PMAQI
13th Jul 20255212 AMAQI
13th Jul 2025521 AMAQI
13th Jul 2025482 AMAQI
13th Jul 2025483 AMAQI
13th Jul 2025454 AMAQI
13th Jul 2025445 AMAQI
26°C23/31°C
13th Jul 2025456 AMAQI
13th Jul 2025467 AMAQI
13th Jul 2025408 AMAQI
13th Jul 2025339 AMAQI
13th Jul 20253810 AMAQI
13th Jul 20254211 AMAQI
13th Jul 20254612 PMAQI
13th Jul 2025461 PMAQI
13th Jul 2025482 PMAQI
13th Jul 2025493 PMAQI
13th Jul 2025454 PMAQI
13th Jul 2025445 PMAQI
13th Jul 2025466 PMAQI
13th Jul 2025457 PMAQI
13th Jul 2025448 PMAQI
13th Jul 2025469 PMAQI
13th Jul 20254610 PMAQI
13th Jul 20254811 PMAQI
14th Jul 20254812 AMAQI
14th Jul 2025501 AMAQI
14th Jul 2025522 AMAQI
14th Jul 2025523 AMAQI
14th Jul 2025504 AMAQI
14th Jul 2025495 AMAQI
26°C23/32°C
14th Jul 2025496 AMAQI
14th Jul 2025487 AMAQI
14th Jul 2025458 AMAQI
14th Jul 2025399 AMAQI
14th Jul 20254210 AMAQI
14th Jul 20254211 AMAQI
14th Jul 20254612 PMAQI
14th Jul 2025471 PMAQI
14th Jul 2025512 PMAQI
14th Jul 2025523 PMAQI
14th Jul 2025534 PMAQI
14th Jul 2025555 PMAQI
14th Jul 2025526 PMAQI
14th Jul 2025497 PMAQI
14th Jul 2025518 PMAQI
14th Jul 2025519 PMAQI
14th Jul 20255110 PMAQI
14th Jul 20254911 PMAQI
15th Jul 20254812 AMAQI
15th Jul 2025451 AMAQI
15th Jul 2025512 AMAQI
15th Jul 2025513 AMAQI
15th Jul 2025524 AMAQI
15th Jul 2025525 AMAQI
27°C23/34°C
15th Jul 2025526 AMAQI
15th Jul 2025537 AMAQI
15th Jul 2025568 AMAQI
15th Jul 2025559 AMAQI
15th Jul 20255210 AMAQI
15th Jul 20254911 AMAQI
15th Jul 20255112 PMAQI
15th Jul 2025451 PMAQI
15th Jul 2025412 PMAQI
15th Jul 2025403 PMAQI
15th Jul 2025414 PMAQI
15th Jul 2025425 PMAQI
15th Jul 2025416 PMAQI
15th Jul 2025447 PMAQI
15th Jul 2025468 PMAQI
15th Jul 2025449 PMAQI
15th Jul 20254510 PMAQI
15th Jul 20254411 PMAQI
16th Jul 20254212 AMAQI
16th Jul 2025461 AMAQI
16th Jul 2025502 AMAQI
16th Jul 2025513 AMAQI
16th Jul 2025524 AMAQI
16th Jul 2025525 AMAQI
27°C23/34°C
16th Jul 2025526 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025378 AMAQI
16th Jul 2025329 AMAQI
16th Jul 20253310 AMAQI
16th Jul 20253711 AMAQI
16th Jul 20253512 PMAQI
16th Jul 2025381 PMAQI
16th Jul 2025372 PMAQI
16th Jul 2025363 PMAQI
16th Jul 2025404 PMAQI
16th Jul 2025385 PMAQI
16th Jul 2025406 PMAQI
16th Jul 2025427 PMAQI
16th Jul 2025408 PMAQI
16th Jul 2025449 PMAQI
16th Jul 20254510 PMAQI
16th Jul 20254911 PMAQI
17th Jul 20254712 AMAQI
17th Jul 2025471 AMAQI
17th Jul 2025512 AMAQI
17th Jul 2025523 AMAQI
17th Jul 2025524 AMAQI
17th Jul 2025525 AMAQI
27°C23/35°C
17th Jul 2025516 AMAQI
17th Jul 2025527 AMAQI
17th Jul 2025468 AMAQI
17th Jul 2025449 AMAQI
17th Jul 20254010 AMAQI
17th Jul 20253711 AMAQI
17th Jul 20253612 PMAQI
17th Jul 2025371 PMAQI
17th Jul 2025382 PMAQI
17th Jul 2025373 PMAQI
17th Jul 2025384 PMAQI
17th Jul 2025325 PMAQI
17th Jul 2025296 PMAQI
17th Jul 2025437 PMAQI
17th Jul 2025388 PMAQI
17th Jul 2025399 PMAQI
17th Jul 20254010 PMAQI
17th Jul 20254211 PMAQI
18th Jul 20254712 AMAQI
18th Jul 2025481 AMAQI
18th Jul 2025512 AMAQI
18th Jul 2025513 AMAQI
18th Jul 2025524 AMAQI
18th Jul 2025515 AMAQI
27°C23/34°C
18th Jul 2025526 AMAQI
18th Jul 2025517 AMAQI
18th Jul 2025368 AMAQI
18th Jul 2025349 AMAQI
18th Jul 20253710 AMAQI
18th Jul 20253411 AMAQI
18th Jul 20254012 PMAQI
18th Jul 2025411 PMAQI
18th Jul 2025412 PMAQI
18th Jul 2025393 PMAQI
18th Jul 2025394 PMAQI
18th Jul 2025355 PMAQI
18th Jul 2025386 PMAQI
18th Jul 2025447 PMAQI
18th Jul 2025448 PMAQI
18th Jul 2025479 PMAQI
18th Jul 20254310 PMAQI
18th Jul 20254911 PMAQI
19th Jul 20255512 AMAQI
19th Jul 2025521 AMAQI
19th Jul 2025472 AMAQI
19th Jul 2025503 AMAQI
19th Jul 2025514 AMAQI
19th Jul 2025515 AMAQI
28°C23/34°C
19th Jul 2025526 AMAQI
19th Jul 2025517 AMAQI
19th Jul 2025388 AMAQI
19th Jul 2025399 AMAQI
19th Jul 20254310 AMAQI
19th Jul 20253811 AMAQI
19th Jul 20253912 PMAQI
19th Jul 2025331 PMAQI
19th Jul 2025312 PMAQI
19th Jul 2025313 PMAQI
19th Jul 2025304 PMAQI
19th Jul 2025295 PMAQI
19th Jul 2025296 PMAQI
19th Jul 2025357 PMAQI
19th Jul 2025398 PMAQI
19th Jul 2025419 PMAQI
19th Jul 20254210 PMAQI
19th Jul 20254211 PMAQI
20th Jul 20254112 AMAQI
20th Jul 2025481 AMAQI
20th Jul 2025512 AMAQI
20th Jul 2025513 AMAQI
20th Jul 2025514 AMAQI
20th Jul 2025525 AMAQI
24°C22/25°C
20th Jul 2025526 AMAQI
20th Jul 2025527 AMAQI
20th Jul 2025378 AMAQI
20th Jul 2025219 AMAQI
20th Jul 20252510 AMAQI
20th Jul 20252611 AMAQI
20th Jul 20253412 PMAQI
20th Jul 2025291 PMAQI
20th Jul 2025272 PMAQI
20th Jul 2025293 PMAQI
20th Jul 2025264 PMAQI
20th Jul 2025305 PMAQI
20th Jul 2025306 PMAQI
20th Jul 2025357 PMAQI
20th Jul 2025408 PMAQI
20th Jul 2025369 PMAQI
20th Jul 20253910 PMAQI
20th Jul 20253911 PMAQI
21st Jul 20253812 AMAQI
21st Jul 2025461 AMAQI
21st Jul 2025502 AMAQI
21st Jul 2025493 AMAQI
21st Jul 2025504 AMAQI
21st Jul 2025525 AMAQI
24°C22/28°C
21st Jul 2025506 AMAQI
21st Jul 2025497 AMAQI
21st Jul 2025268 AMAQI
21st Jul 2025199 AMAQI
21st Jul 20252010 AMAQI
21st Jul 20252311 AMAQI
21st Jul 20252512 PMAQI
21st Jul 2025241 PMAQI
21st Jul 2025232 PMAQI
21st Jul 2025243 PMAQI
21st Jul 2025244 PMAQI
21st Jul 2025265 PMAQI
21st Jul 2025216 PMAQI
21st Jul 2025317 PMAQI
21st Jul 2025368 PMAQI
21st Jul 2025389 PMAQI
21st Jul 20254010 PMAQI
21st Jul 20253811 PMAQI
22nd Jul 20253812 AMAQI
22nd Jul 2025421 AMAQI
22nd Jul 2025472 AMAQI
22nd Jul 2025463 AMAQI
22nd Jul 2025464 AMAQI
22nd Jul 2025465 AMAQI
24°C23/26°C
22nd Jul 2025456 AMAQI
22nd Jul 2025447 AMAQI
22nd Jul 2025278 AMAQI
22nd Jul 2025199 AMAQI
22nd Jul 20252510 AMAQI
22nd Jul 20252211 AMAQI
22nd Jul 20252912 PMAQI
22nd Jul 2025241 PMAQI
22nd Jul 2025252 PMAQI
22nd Jul 2025293 PMAQI
22nd Jul 2025274 PMAQI
22nd Jul 2025265 PMAQI
22nd Jul 2025236 PMAQI
22nd Jul 2025267 PMAQI
22nd Jul 2025368 PMAQI
22nd Jul 2025369 PMAQI
22nd Jul 20253610 PMAQI
22nd Jul 20253511 PMAQI
23rd Jul 20253412 AMAQI
23rd Jul 2025421 AMAQI
23rd Jul 2025402 AMAQI
23rd Jul 2025423 AMAQI
23rd Jul 2025404 AMAQI
23rd Jul 2025405 AMAQI
25°C23/28°C
23rd Jul 2025406 AMAQI
23rd Jul 2025417 AMAQI
23rd Jul 2025298 AMAQI
23rd Jul 2025319 AMAQI
23rd Jul 20252610 AMAQI
23rd Jul 20252811 AMAQI
23rd Jul 20252712 PMAQI
23rd Jul 2025271 PMAQI
23rd Jul 2025252 PMAQI
23rd Jul 2025283 PMAQI
23rd Jul 2025264 PMAQI
23rd Jul 2025275 PMAQI
23rd Jul 2025266 PMAQI
23rd Jul 2025287 PMAQI
23rd Jul 2025328 PMAQI
23rd Jul 2025349 PMAQI
23rd Jul 20253210 PMAQI
23rd Jul 20253011 PMAQI
24th Jul 20253112 AMAQI
24th Jul 2025311 AMAQI
24th Jul 2025342 AMAQI
24th Jul 2025403 AMAQI
24th Jul 2025414 AMAQI
24th Jul 2025405 AMAQI
26°C23/31°C
24th Jul 2025406 AMAQI
24th Jul 2025397 AMAQI
24th Jul 2025348 AMAQI
24th Jul 2025339 AMAQI
24th Jul 20252810 AMAQI
24th Jul 20253111 AMAQI
24th Jul 20252912 PMAQI
24th Jul 2025301 PMAQI
24th Jul 2025342 PMAQI
24th Jul 2025333 PMAQI
24th Jul 2025274 PMAQI
24th Jul 2025245 PMAQI
24th Jul 2025296 PMAQI
24th Jul 2025297 PMAQI
24th Jul 2025368 PMAQI
24th Jul 2025329 PMAQI
24th Jul 20253110 PMAQI
24th Jul 20253011 PMAQI
25th Jul 20253112 AMAQI
25th Jul 2025301 AMAQI
25th Jul 2025352 AMAQI
25th Jul 2025373 AMAQI
25th Jul 2025384 AMAQI
25th Jul 2025385 AMAQI
25°C22/30°C
25th Jul 2025396 AMAQI
25th Jul 2025387 AMAQI
25th Jul 2025338 AMAQI
25th Jul 2025329 AMAQI
25th Jul 20253610 AMAQI
25th Jul 20253411 AMAQI
25th Jul 20254212 PMAQI
25th Jul 2025341 PMAQI
25th Jul 2025332 PMAQI
25th Jul 2025313 PMAQI
25th Jul 2025304 PMAQI
25th Jul 2025385 PMAQI
25th Jul 2025426 PMAQI
25th Jul 2025407 PMAQI
25th Jul 2025448 PMAQI
25th Jul 2025429 PMAQI
25th Jul 20254310 PMAQI
25th Jul 20254211 PMAQI
26th Jul 20254012 AMAQI
26th Jul 2025381 AMAQI
26th Jul 2025382 AMAQI
26th Jul 2025393 AMAQI
26th Jul 2025394 AMAQI
26th Jul 2025395 AMAQI
25°C22/32°C
26th Jul 2025396 AMAQI
26th Jul 2025387 AMAQI
26th Jul 2025348 AMAQI
26th Jul 2025339 AMAQI
26th Jul 20252510 AMAQI
26th Jul 20252211 AMAQI
26th Jul 20252412 PMAQI
26th Jul 2025261 PMAQI
26th Jul 2025302 PMAQI
26th Jul 2025313 PMAQI
26th Jul 2025304 PMAQI
26th Jul 2025315 PMAQI
26th Jul 2025306 PMAQI
26th Jul 2025317 PMAQI
26th Jul 2025328 PMAQI
26th Jul 2025339 PMAQI
26th Jul 20253410 PMAQI
26th Jul 20253311 PMAQI
27th Jul 20253112 AMAQI
27th Jul 2025341 AMAQI
27th Jul 2025402 AMAQI
27th Jul 2025403 AMAQI
27th Jul 2025384 AMAQI
27th Jul 2025385 AMAQI
26°C22/32°C
27th Jul 2025386 AMAQI
27th Jul 2025387 AMAQI
27th Jul 2025368 AMAQI
27th Jul 2025309 AMAQI
27th Jul 20253210 AMAQI
27th Jul 20252711 AMAQI
27th Jul 20252812 PMAQI
27th Jul 2025291 PMAQI
27th Jul 2025302 PMAQI
27th Jul 2025273 PMAQI
27th Jul 2025324 PMAQI
27th Jul 2025315 PMAQI
27th Jul 2025296 PMAQI
27th Jul 2025327 PMAQI
27th Jul 2025338 PMAQI
27th Jul 2025399 PMAQI
27th Jul 20253710 PMAQI
27th Jul 20253611 PMAQI
28th Jul 20253212 AMAQI
28th Jul 2025361 AMAQI
28th Jul 2025382 AMAQI
28th Jul 2025393 AMAQI
28th Jul 2025394 AMAQI
28th Jul 2025405 AMAQI
26°C22/32°C
28th Jul 2025406 AMAQI
28th Jul 2025397 AMAQI
28th Jul 2025298 AMAQI
28th Jul 2025309 AMAQI
28th Jul 20253010 AMAQI
28th Jul 20252711 AMAQI
28th Jul 20252812 PMAQI
28th Jul 2025241 PMAQI
28th Jul 2025202 PMAQI
28th Jul 2025263 PMAQI
28th Jul 2025254 PMAQI
28th Jul 2025245 PMAQI
28th Jul 2025306 PMAQI
28th Jul 2025287 PMAQI
28th Jul 2025308 PMAQI
28th Jul 2025339 PMAQI
28th Jul 20253210 PMAQI
28th Jul 20253411 PMAQI
29th Jul 20253412 AMAQI
29th Jul 2025351 AMAQI
29th Jul 2025402 AMAQI
29th Jul 2025393 AMAQI
29th Jul 2025384 AMAQI
29th Jul 2025365 AMAQI
26°C23/31°C
29th Jul 2025376 AMAQI
29th Jul 2025367 AMAQI
29th Jul 2025258 AMAQI
29th Jul 2025229 AMAQI
29th Jul 20252110 AMAQI
29th Jul 20252411 AMAQI
29th Jul 20252212 PMAQI
29th Jul 2025241 PMAQI
29th Jul 2025242 PMAQI
29th Jul 2025233 PMAQI
29th Jul 2025224 PMAQI
29th Jul 2025225 PMAQI
29th Jul 2025266 PMAQI
29th Jul 2025297 PMAQI
29th Jul 2025308 PMAQI
29th Jul 2025329 PMAQI
29th Jul 20253010 PMAQI
29th Jul 20253011 PMAQI
30th Jul 20253112 AMAQI
30th Jul 2025311 AMAQI
30th Jul 2025332 AMAQI
30th Jul 2025333 AMAQI
30th Jul 2025324 AMAQI
30th Jul 2025365 AMAQI
27°C22/32°C
30th Jul 2025386 AMAQI
30th Jul 2025377 AMAQI
30th Jul 2025318 AMAQI
30th Jul 2025389 AMAQI
30th Jul 20253910 AMAQI
30th Jul 20253411 AMAQI
30th Jul 20253612 PMAQI
30th Jul 2025321 PMAQI
30th Jul 2025402 PMAQI
30th Jul 2025393 PMAQI
30th Jul 2025284 PMAQI
30th Jul 2025285 PMAQI
30th Jul 2025366 PMAQI
30th Jul 2025317 PMAQI
30th Jul 2025288 PMAQI
30th Jul 2025289 PMAQI
30th Jul 20252910 PMAQI
30th Jul 20252811 PMAQI
31st Jul 20253912 AMAQI
31st Jul 2025401 AMAQI
31st Jul 2025422 AMAQI
31st Jul 2025393 AMAQI
31st Jul 2025394 AMAQI
31st Jul 2025395 AMAQI
27°C23/34°C
31st Jul 2025396 AMAQI
31st Jul 2025397 AMAQI
31st Jul 2025398 AMAQI
31st Jul 2025399 AMAQI
31st Jul 20254610 AMAQI
31st Jul 20253711 AMAQI
31st Jul 20253112 PMAQI
31st Jul 2025291 PMAQI
31st Jul 2025322 PMAQI
31st Jul 2025313 PMAQI
31st Jul 2025304 PMAQI
31st Jul 2025345 PMAQI
31st Jul 2025516 PMAQI
31st Jul 2025507 PMAQI
31st Jul 2025568 PMAQI
31st Jul 2025569 PMAQI
31st Jul 20255810 PMAQI
31st Jul 20255611 PMAQI
1st Aug 20255812 AMAQI
1st Aug 2025581 AMAQI
1st Aug 2025572 AMAQI
1st Aug 2025553 AMAQI
1st Aug 2025564 AMAQI
1st Aug 2025565 AMAQI
27°C22/34°C
1st Aug 2025566 AMAQI
1st Aug 2025557 AMAQI
1st Aug 2025548 AMAQI
1st Aug 2025579 AMAQI
1st Aug 20255610 AMAQI
1st Aug 20255611 AMAQI
1st Aug 20255612 PMAQI
1st Aug 2025531 PMAQI
1st Aug 2025542 PMAQI
1st Aug 2025553 PMAQI
1st Aug 2025554 PMAQI
1st Aug 2025525 PMAQI
1st Aug 2025566 PMAQI
1st Aug 2025547 PMAQI
1st Aug 2025558 PMAQI
1st Aug 2025589 PMAQI
1st Aug 20255510 PMAQI
1st Aug 20255711 PMAQI
2nd Aug 20255612 AMAQI
2nd Aug 2025561 AMAQI
2nd Aug 2025552 AMAQI
2nd Aug 2025563 AMAQI
2nd Aug 2025564 AMAQI
2nd Aug 2025565 AMAQI
27°C23/34°C
2nd Aug 2025566 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025508 AMAQI
2nd Aug 2025529 AMAQI
2nd Aug 20255110 AMAQI
2nd Aug 20254911 AMAQI
2nd Aug 20255212 PMAQI
2nd Aug 2025531 PMAQI
2nd Aug 2025512 PMAQI
2nd Aug 2025523 PMAQI
2nd Aug 2025504 PMAQI
2nd Aug 2025565 PMAQI
2nd Aug 2025526 PMAQI
2nd Aug 2025567 PMAQI
2nd Aug 2025568 PMAQI
2nd Aug 2025579 PMAQI
2nd Aug 20255910 PMAQI
2nd Aug 20255811 PMAQI
3rd Aug 20255712 AMAQI
3rd Aug 2025581 AMAQI
3rd Aug 2025582 AMAQI
--°C/°C
6 AM
12 PM
7 PM
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 7 AM
43AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
9 AM
35AQI
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. 43), while the lowest AQI was between 9 AM to 9 AM (Avg. 35).
Night time
Avg. Highest Time
12 AM - 5 AM
42AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
12 AM - 11 PM
41AQI
10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 5 AM (Avg. 42), while the lowest AQI was between 12 AM to 11 PM (Avg. 41).
2025 Days Vs Air Quality
Land Environment And Resources Bureau, Chongshan, Hainan, China
2025
40%
86
55%
117
5%
10
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
86 DaysModerate
117 DaysPoor
10 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 40%
Health Risk Level:
Significant
In 2025, 40% of 214 days were within WHO’s safe air quality limits, and 60% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Land Environment And Resources Bureau, Chongshan, 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
103AQI
103AQI
2nd January 2025
89AQI
89AQI
3rd January 2025
96AQI
96AQI
4th January 2025
101AQI
101AQI
5th January 2025
117AQI
117AQI
6th January 2025
106AQI
106AQI
7th January 2025
94AQI
94AQI
8th January 2025
109AQI
109AQI
9th January 2025
100AQI
100AQI
10th January 2025
119AQI
119AQI
11th January 2025
95AQI
95AQI
12th January 2025
91AQI
91AQI
13th January 2025
78AQI
78AQI
14th January 2025
77AQI
77AQI
15th January 2025
82AQI
82AQI
16th January 2025
94AQI
94AQI
17th January 2025
98AQI
98AQI
18th January 2025
89AQI
89AQI
19th January 2025
97AQI
97AQI
20th January 2025
91AQI
91AQI
21st January 2025
87AQI
87AQI
22nd January 2025
89AQI
89AQI
23rd January 2025
77AQI
77AQI
24th January 2025
64AQI
64AQI
25th January 2025
63AQI
63AQI
26th January 2025
56AQI
56AQI
27th January 2025
64AQI
64AQI
28th January 2025
70AQI
70AQI
29th January 2025
83AQI
83AQI
30th January 2025
70AQI
70AQI
31st January 2025
69AQI
69AQI
1st February 2025
55AQI
55AQI
2nd February 2025
53AQI
53AQI
3rd February 2025
55AQI
55AQI
4th February 2025
52AQI
52AQI
5th February 2025
57AQI
57AQI
6th February 2025
61AQI
61AQI
7th February 2025
69AQI
69AQI
8th February 2025
58AQI
58AQI
9th February 2025
65AQI
65AQI
10th February 2025
59AQI
59AQI
11th February 2025
55AQI
55AQI
12th February 2025
44AQI
44AQI
13th February 2025
60AQI
60AQI
14th February 2025
47AQI
47AQI
15th February 2025
64AQI
64AQI
16th February 2025
52AQI
52AQI
17th February 2025
67AQI
67AQI
18th February 2025
75AQI
75AQI
19th February 2025
72AQI
72AQI
20th February 2025
62AQI
62AQI
21st February 2025
59AQI
59AQI
22nd February 2025
41AQI
41AQI
23rd February 2025
44AQI
44AQI
24th February 2025
45AQI
45AQI
25th February 2025
47AQI
47AQI
26th February 2025
55AQI
55AQI
27th February 2025
58AQI
58AQI
28th February 2025
55AQI
55AQI
1st March 2025
57AQI
57AQI
2nd March 2025
56AQI
56AQI
3rd March 2025
65AQI
65AQI
4th March 2025
58AQI
58AQI
5th March 2025
61AQI
61AQI
6th March 2025
36AQI
36AQI
7th March 2025
42AQI
42AQI
8th March 2025
30AQI
30AQI
9th March 2025
56AQI
56AQI
10th March 2025
55AQI
55AQI
11th March 2025
54AQI
54AQI
12th March 2025
49AQI
49AQI
13th March 2025
45AQI
45AQI
14th March 2025
47AQI
47AQI
15th March 2025
59AQI
59AQI
16th March 2025
50AQI
50AQI
17th March 2025
72AQI
72AQI
18th March 2025
71AQI
71AQI
19th March 2025
81AQI
81AQI
20th March 2025
74AQI
74AQI
21st March 2025
79AQI
79AQI
22nd March 2025
88AQI
88AQI
23rd March 2025
88AQI
88AQI
24th March 2025
84AQI
84AQI
25th March 2025
91AQI
91AQI
26th March 2025
78AQI
78AQI
27th March 2025
92AQI
92AQI
28th March 2025
77AQI
77AQI
29th March 2025
70AQI
70AQI
30th March 2025
41AQI
41AQI
31st March 2025
40AQI
40AQI
1st April 2025
50AQI
50AQI
2nd April 2025
61AQI
61AQI
3rd April 2025
64AQI
64AQI
4th April 2025
62AQI
62AQI
5th April 2025
66AQI
66AQI
6th April 2025
59AQI
59AQI
7th April 2025
61AQI
61AQI
8th April 2025
56AQI
56AQI
9th April 2025
66AQI
66AQI
10th April 2025
74AQI
74AQI
11th April 2025
70AQI
70AQI
12th April 2025
66AQI
66AQI
13th April 2025
118AQI
118AQI
14th April 2025
104AQI
104AQI
15th April 2025
111AQI
111AQI
16th April 2025
99AQI
99AQI
17th April 2025
102AQI
102AQI
18th April 2025
77AQI
77AQI
19th April 2025
64AQI
64AQI
20th April 2025
65AQI
65AQI
21st April 2025
58AQI
58AQI
22nd April 2025
65AQI
65AQI
23rd April 2025
57AQI
57AQI
24th April 2025
61AQI
61AQI
25th April 2025
63AQI
63AQI
26th April 2025
60AQI
60AQI
27th April 2025
55AQI
55AQI
28th April 2025
54AQI
54AQI
29th April 2025
52AQI
52AQI
30th April 2025
53AQI
53AQI
1st May 2025
57AQI
57AQI
2nd May 2025
59AQI
59AQI
3rd May 2025
60AQI
60AQI
4th May 2025
65AQI
65AQI
5th May 2025
58AQI
58AQI
6th May 2025
66AQI
66AQI
7th May 2025
65AQI
65AQI
8th May 2025
64AQI
64AQI
9th May 2025
64AQI
64AQI
10th May 2025
57AQI
57AQI
11th May 2025
61AQI
61AQI
12th May 2025
60AQI
60AQI
13th May 2025
61AQI
61AQI
14th May 2025
54AQI
54AQI
15th May 2025
42AQI
42AQI
16th May 2025
40AQI
40AQI
17th May 2025
42AQI
42AQI
18th May 2025
44AQI
44AQI
19th May 2025
44AQI
44AQI
20th May 2025
47AQI
47AQI
21st May 2025
49AQI
49AQI
22nd May 2025
44AQI
44AQI
23rd May 2025
43AQI
43AQI
24th May 2025
40AQI
40AQI
25th May 2025
46AQI
46AQI
26th May 2025
58AQI
58AQI
27th May 2025
50AQI
50AQI
28th May 2025
44AQI
44AQI
29th May 2025
41AQI
41AQI
30th May 2025
43AQI
43AQI
31st May 2025
43AQI
43AQI
1st June 2025
45AQI
45AQI
2nd June 2025
46AQI
46AQI
3rd June 2025
46AQI
46AQI
4th June 2025
54AQI
54AQI
5th June 2025
51AQI
51AQI
6th June 2025
51AQI
51AQI
7th June 2025
51AQI
51AQI
8th June 2025
51AQI
51AQI
9th June 2025
52AQI
52AQI
10th June 2025
56AQI
56AQI
11th June 2025
46AQI
46AQI
12th June 2025
40AQI
40AQI
13th June 2025
40AQI
40AQI
14th June 2025
40AQI
40AQI
15th June 2025
42AQI
42AQI
16th June 2025
44AQI
44AQI
17th June 2025
45AQI
45AQI
18th June 2025
39AQI
39AQI
19th June 2025
36AQI
36AQI
20th June 2025
35AQI
35AQI
21st June 2025
37AQI
37AQI
22nd June 2025
41AQI
41AQI
23rd June 2025
34AQI
34AQI
24th June 2025
33AQI
33AQI
25th June 2025
33AQI
33AQI
26th June 2025
31AQI
31AQI
27th June 2025
28AQI
28AQI
28th June 2025
30AQI
30AQI
29th June 2025
31AQI
31AQI
30th June 2025
29AQI
29AQI
1st July 2025
33AQI
33AQI
2nd July 2025
27AQI
27AQI
3rd July 2025
29AQI
29AQI
4th July 2025
31AQI
31AQI
5th July 2025
38AQI
38AQI
6th July 2025
33AQI
33AQI
7th July 2025
31AQI
31AQI
8th July 2025
36AQI
36AQI
9th July 2025
40AQI
40AQI
10th July 2025
40AQI
40AQI
11th July 2025
45AQI
45AQI
12th July 2025
43AQI
43AQI
13th July 2025
45AQI
45AQI
14th July 2025
49AQI
49AQI
15th July 2025
47AQI
47AQI
16th July 2025
43AQI
43AQI
17th July 2025
43AQI
43AQI
18th July 2025
44AQI
44AQI
19th July 2025
42AQI
42AQI
20th July 2025
38AQI
38AQI
21st July 2025
36AQI
36AQI
22nd July 2025
34AQI
34AQI
23rd July 2025
33AQI
33AQI
24th July 2025
33AQI
33AQI
25th July 2025
37AQI
37AQI
26th July 2025
33AQI
33AQI
27th July 2025
34AQI
34AQI
28th July 2025
32AQI
32AQI
29th July 2025
30AQI
30AQI
30th July 2025
33AQI
33AQI
31st July 2025
42AQI
42AQI
1st August 2025
56AQI
56AQI
88AQI
57AQI
63AQI
69AQI
52AQI
41AQI
37AQI
56AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202558AQI
25
6
6
22
9
22
1
25
4
16
15
23
7
31
1
86
117
10
Highest AQI recorded in
January88AQI
Lowest AQI recorded in
July37AQI
202444AQI
21
12
5
13
9
5
13
19
4
30
31
31
27
2
19
9
3
20
10
24
7
228
76
10
Highest AQI recorded in
December84AQI
Lowest AQI recorded in
July29AQI
202339AQI
2
8
1
4
8
1
2
1
1
1
4
2
9
2
3
3
29
1
58
23
1
Highest AQI recorded in
January66AQI
Lowest AQI recorded in
September17AQI
202243AQI
17
12
16
5
18
13
12
18
29
2
30
19
1
3
2
8
13
11
1
19
4
4
8
1
182
82
2
Highest AQI recorded in
September59AQI
Lowest AQI recorded in
August27AQI
202145AQI
1
26
3
1
9
19
20
11
24
6
30
1
22
8
31
31
27
3
24
7
12
17
1
10
20
1
241
118
5
1
Highest AQI recorded in
January78AQI
Lowest AQI recorded in
September29AQI
202042AQI
1
1
7
6
15
1
28
31
27
4
28
2
16
15
12
11
7
8
16
7
173
56
14
Highest AQI recorded in
December72AQI
Lowest AQI recorded in
July24AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
58AQILeast Polluted Year Recorded
2023(Avg.)
39AQILand Environment And Resources Bureau's annual 2025 AQI (58) shows an average percentage change of 37.1% (worsened AQI) compared to previous years: 2020 (42), 2021 (45), 2022 (43), 2023 (39), 2024 (44).
