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+
September Air Quality Analysis
Chongshan, Hainan, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
6th Sep 2022
84AQILowest AQI recorded on
8th Sep 2022
13AQISame Day Analysis (20th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 28 of Good air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 21st Sep - 22nd Sep 2025
Chongshan, Hainan, China
AQI
Day
Night
.
6 AM21st Sep 2025
6 PM
5 AM22nd Sep 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
1AM22nd Sep
31AQI
Avg. Lowest Time
1PM21st Sep
16AQI
In the last 24 hours,
Chongshan's AQI reached its highest point of 31 at 1 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Chongshan, Hainan, China
AugSep
23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd
Day
Night
23rd Aug 2025406 AMAQI
23rd Aug 2025397 AMAQI
23rd Aug 2025448 AMAQI
23rd Aug 2025259 AMAQI
23rd Aug 20253810 AMAQI
23rd Aug 20253811 AMAQI
23rd Aug 20254012 PMAQI
23rd Aug 2025341 PMAQI
23rd Aug 2025262 PMAQI
23rd Aug 2025283 PMAQI
23rd Aug 2025284 PMAQI
23rd Aug 2025305 PMAQI
23rd Aug 2025336 PMAQI
23rd Aug 2025457 PMAQI
23rd Aug 2025448 PMAQI
23rd Aug 2025499 PMAQI
23rd Aug 20254510 PMAQI
23rd Aug 20254311 PMAQI
24th Aug 20254112 AMAQI
24th Aug 2025411 AMAQI
24th Aug 2025442 AMAQI
24th Aug 2025433 AMAQI
24th Aug 2025434 AMAQI
24th Aug 2025425 AMAQI
25°C21/31°C
24th Aug 2025436 AMAQI
24th Aug 2025427 AMAQI
24th Aug 2025398 AMAQI
24th Aug 2025299 AMAQI
24th Aug 20253510 AMAQI
24th Aug 20254211 AMAQI
24th Aug 20253912 PMAQI
24th Aug 2025301 PMAQI
24th Aug 2025292 PMAQI
24th Aug 2025313 PMAQI
24th Aug 2025294 PMAQI
24th Aug 2025285 PMAQI
24th Aug 2025286 PMAQI
24th Aug 2025357 PMAQI
24th Aug 2025398 PMAQI
24th Aug 2025399 PMAQI
24th Aug 20253610 PMAQI
24th Aug 20253411 PMAQI
25th Aug 20253512 AMAQI
25th Aug 2025411 AMAQI
25th Aug 2025402 AMAQI
25th Aug 2025403 AMAQI
25th Aug 2025434 AMAQI
25th Aug 2025425 AMAQI
22°C20/25°C
25th Aug 2025416 AMAQI
25th Aug 2025407 AMAQI
25th Aug 2025348 AMAQI
25th Aug 2025359 AMAQI
25th Aug 20252910 AMAQI
25th Aug 20253411 AMAQI
25th Aug 20253312 PMAQI
25th Aug 2025341 PMAQI
25th Aug 2025312 PMAQI
25th Aug 2025253 PMAQI
25th Aug 2025274 PMAQI
25th Aug 2025295 PMAQI
25th Aug 2025306 PMAQI
25th Aug 2025317 PMAQI
25th Aug 2025388 PMAQI
25th Aug 2025399 PMAQI
25th Aug 20255010 PMAQI
25th Aug 20254111 PMAQI
26th Aug 20254112 AMAQI
26th Aug 2025371 AMAQI
26th Aug 2025412 AMAQI
26th Aug 2025403 AMAQI
26th Aug 2025384 AMAQI
26th Aug 2025405 AMAQI
21°C19/23°C
26th Aug 2025406 AMAQI
26th Aug 2025397 AMAQI
26th Aug 2025348 AMAQI
26th Aug 2025469 AMAQI
26th Aug 20253810 AMAQI
26th Aug 20254011 AMAQI
26th Aug 20253312 PMAQI
26th Aug 2025311 PMAQI
26th Aug 2025292 PMAQI
26th Aug 2025313 PMAQI
26th Aug 2025274 PMAQI
26th Aug 2025275 PMAQI
26th Aug 2025306 PMAQI
26th Aug 2025317 PMAQI
26th Aug 2025358 PMAQI
26th Aug 2025389 PMAQI
26th Aug 20253510 PMAQI
26th Aug 20253811 PMAQI
27th Aug 20253912 AMAQI
27th Aug 2025371 AMAQI
27th Aug 2025412 AMAQI
27th Aug 2025413 AMAQI
27th Aug 2025404 AMAQI
27th Aug 2025405 AMAQI
23°C20/26°C
27th Aug 2025406 AMAQI
27th Aug 2025397 AMAQI
27th Aug 2025308 AMAQI
27th Aug 2025339 AMAQI
27th Aug 20254910 AMAQI
27th Aug 20254711 AMAQI
27th Aug 20254812 PMAQI
27th Aug 2025321 PMAQI
27th Aug 2025282 PMAQI
27th Aug 2025243 PMAQI
27th Aug 2025264 PMAQI
27th Aug 2025245 PMAQI
27th Aug 2025266 PMAQI
27th Aug 2025327 PMAQI
27th Aug 2025348 PMAQI
27th Aug 2025359 PMAQI
27th Aug 20253510 PMAQI
27th Aug 20253611 PMAQI
28th Aug 20253212 AMAQI
28th Aug 2025371 AMAQI
28th Aug 2025382 AMAQI
28th Aug 2025393 AMAQI
28th Aug 2025404 AMAQI
28th Aug 2025385 AMAQI
23°C21/27°C
28th Aug 2025416 AMAQI
28th Aug 2025397 AMAQI
28th Aug 2025398 AMAQI
28th Aug 2025459 AMAQI
28th Aug 20254010 AMAQI
28th Aug 20253711 AMAQI
28th Aug 20253412 PMAQI
28th Aug 2025291 PMAQI
28th Aug 2025362 PMAQI
28th Aug 2025433 PMAQI
28th Aug 2025434 PMAQI
28th Aug 2025495 PMAQI
28th Aug 2025406 PMAQI
28th Aug 2025337 PMAQI
28th Aug 2025348 PMAQI
28th Aug 2025369 PMAQI
28th Aug 20254210 PMAQI
28th Aug 20253811 PMAQI
29th Aug 20253612 AMAQI
29th Aug 2025451 AMAQI
29th Aug 2025462 AMAQI
29th Aug 2025433 AMAQI
29th Aug 2025454 AMAQI
29th Aug 2025455 AMAQI
25°C22/30°C
29th Aug 2025466 AMAQI
29th Aug 2025467 AMAQI
29th Aug 2025488 AMAQI
29th Aug 2025379 AMAQI
29th Aug 20254010 AMAQI
29th Aug 20253111 AMAQI
29th Aug 20254112 PMAQI
29th Aug 2025381 PMAQI
29th Aug 2025402 PMAQI
29th Aug 2025383 PMAQI
29th Aug 2025374 PMAQI
29th Aug 2025395 PMAQI
29th Aug 2025396 PMAQI
29th Aug 2025447 PMAQI
29th Aug 2025478 PMAQI
29th Aug 2025469 PMAQI
29th Aug 20254610 PMAQI
29th Aug 20254411 PMAQI
30th Aug 20253912 AMAQI
30th Aug 2025471 AMAQI
30th Aug 2025452 AMAQI
30th Aug 2025443 AMAQI
30th Aug 2025474 AMAQI
30th Aug 2025445 AMAQI
23°C21/26°C
30th Aug 2025436 AMAQI
30th Aug 2025447 AMAQI
30th Aug 2025408 AMAQI
30th Aug 2025349 AMAQI
30th Aug 20253510 AMAQI
30th Aug 20252711 AMAQI
30th Aug 20253312 PMAQI
30th Aug 2025351 PMAQI
30th Aug 2025272 PMAQI
30th Aug 2025283 PMAQI
30th Aug 2025284 PMAQI
30th Aug 2025335 PMAQI
30th Aug 2025346 PMAQI
30th Aug 2025407 PMAQI
30th Aug 2025408 PMAQI
30th Aug 2025399 PMAQI
30th Aug 20253410 PMAQI
30th Aug 20253711 PMAQI
31st Aug 20254012 AMAQI
31st Aug 2025411 AMAQI
31st Aug 2025482 AMAQI
31st Aug 2025433 AMAQI
31st Aug 2025424 AMAQI
31st Aug 2025445 AMAQI
22°C19/24°C
31st Aug 2025416 AMAQI
31st Aug 2025427 AMAQI
31st Aug 2025358 AMAQI
31st Aug 2025319 AMAQI
31st Aug 20254010 AMAQI
31st Aug 20254411 AMAQI
31st Aug 20253712 PMAQI
31st Aug 2025371 PMAQI
31st Aug 2025332 PMAQI
31st Aug 2025373 PMAQI
31st Aug 2025304 PMAQI
31st Aug 2025325 PMAQI
31st Aug 2025256 PMAQI
31st Aug 2025327 PMAQI
31st Aug 2025358 PMAQI
31st Aug 2025389 PMAQI
31st Aug 20254910 PMAQI
31st Aug 20254711 PMAQI
1st Sep 20253212 AMAQI
1st Sep 2025401 AMAQI
1st Sep 2025462 AMAQI
1st Sep 2025433 AMAQI
1st Sep 2025414 AMAQI
1st Sep 2025445 AMAQI
23°C20/27°C
1st Sep 2025506 AMAQI
1st Sep 2025467 AMAQI
1st Sep 2025348 AMAQI
1st Sep 2025269 AMAQI
1st Sep 20252610 AMAQI
1st Sep 20252911 AMAQI
1st Sep 20253112 PMAQI
1st Sep 2025371 PMAQI
1st Sep 2025322 PMAQI
1st Sep 2025333 PMAQI
1st Sep 2025294 PMAQI
1st Sep 2025275 PMAQI
1st Sep 2025316 PMAQI
1st Sep 2025337 PMAQI
1st Sep 2025368 PMAQI
1st Sep 2025389 PMAQI
1st Sep 20254210 PMAQI
1st Sep 20254911 PMAQI
2nd Sep 20254312 AMAQI
2nd Sep 2025421 AMAQI
2nd Sep 2025432 AMAQI
2nd Sep 2025413 AMAQI
2nd Sep 2025404 AMAQI
2nd Sep 2025405 AMAQI
23°C20/27°C
2nd Sep 2025436 AMAQI
2nd Sep 2025467 AMAQI
2nd Sep 2025408 AMAQI
2nd Sep 2025379 AMAQI
2nd Sep 20253310 AMAQI
2nd Sep 20253911 AMAQI
2nd Sep 20253412 PMAQI
2nd Sep 2025351 PMAQI
2nd Sep 2025392 PMAQI
2nd Sep 2025333 PMAQI
2nd Sep 2025394 PMAQI
2nd Sep 2025385 PMAQI
2nd Sep 2025446 PMAQI
2nd Sep 2025427 PMAQI
2nd Sep 2025438 PMAQI
2nd Sep 2025429 PMAQI
2nd Sep 20254310 PMAQI
2nd Sep 20254411 PMAQI
3rd Sep 20254312 AMAQI
3rd Sep 2025421 AMAQI
3rd Sep 2025492 AMAQI
3rd Sep 2025493 AMAQI
3rd Sep 2025494 AMAQI
3rd Sep 2025435 AMAQI
24°C21/29°C
3rd Sep 2025476 AMAQI
3rd Sep 2025437 AMAQI
3rd Sep 2025338 AMAQI
3rd Sep 2025359 AMAQI
3rd Sep 20253210 AMAQI
3rd Sep 20254511 AMAQI
3rd Sep 20253612 PMAQI
3rd Sep 2025281 PMAQI
3rd Sep 2025312 PMAQI
3rd Sep 2025233 PMAQI
3rd Sep 2025264 PMAQI
3rd Sep 2025285 PMAQI
3rd Sep 2025326 PMAQI
3rd Sep 2025397 PMAQI
3rd Sep 2025368 PMAQI
3rd Sep 2025389 PMAQI
3rd Sep 20254510 PMAQI
3rd Sep 20253911 PMAQI
4th Sep 20254312 AMAQI
4th Sep 2025421 AMAQI
4th Sep 2025432 AMAQI
4th Sep 2025423 AMAQI
4th Sep 2025414 AMAQI
4th Sep 2025415 AMAQI
24°C21/28°C
4th Sep 2025406 AMAQI
4th Sep 2025397 AMAQI
4th Sep 2025388 AMAQI
4th Sep 2025449 AMAQI
4th Sep 20254410 AMAQI
4th Sep 20254911 AMAQI
4th Sep 20252712 PMAQI
4th Sep 2025371 PMAQI
4th Sep 2025262 PMAQI
4th Sep 2025393 PMAQI
4th Sep 2025184 PMAQI
4th Sep 2025195 PMAQI
4th Sep 2025436 PMAQI
4th Sep 2025367 PMAQI
4th Sep 2025178 PMAQI
4th Sep 2025269 PMAQI
4th Sep 20252310 PMAQI
4th Sep 20252311 PMAQI
5th Sep 20252212 AMAQI
5th Sep 2025361 AMAQI
5th Sep 2025372 AMAQI
5th Sep 2025363 AMAQI
5th Sep 2025384 AMAQI
5th Sep 2025405 AMAQI
24°C21/29°C
5th Sep 2025406 AMAQI
5th Sep 2025377 AMAQI
5th Sep 2025388 AMAQI
5th Sep 2025399 AMAQI
5th Sep 20252910 AMAQI
5th Sep 20253311 AMAQI
5th Sep 20253312 PMAQI
5th Sep 2025421 PMAQI
5th Sep 2025432 PMAQI
5th Sep 2025403 PMAQI
5th Sep 2025284 PMAQI
5th Sep 2025285 PMAQI
5th Sep 2025306 PMAQI
5th Sep 2025317 PMAQI
5th Sep 2025328 PMAQI
5th Sep 2025369 PMAQI
5th Sep 20253810 PMAQI
5th Sep 20254111 PMAQI
6th Sep 20253012 AMAQI
6th Sep 2025321 AMAQI
6th Sep 2025352 AMAQI
6th Sep 2025383 AMAQI
6th Sep 2025434 AMAQI
6th Sep 2025395 AMAQI
24°C20/27°C
6th Sep 2025406 AMAQI
6th Sep 2025357 AMAQI
6th Sep 2025218 AMAQI
6th Sep 2025239 AMAQI
6th Sep 20253710 AMAQI
6th Sep 20253111 AMAQI
6th Sep 20253112 PMAQI
6th Sep 2025281 PMAQI
6th Sep 2025222 PMAQI
6th Sep 2025293 PMAQI
6th Sep 2025274 PMAQI
6th Sep 2025335 PMAQI
6th Sep 2025276 PMAQI
6th Sep 2025277 PMAQI
6th Sep 2025348 PMAQI
6th Sep 2025449 PMAQI
6th Sep 20253410 PMAQI
6th Sep 20253711 PMAQI
7th Sep 20254012 AMAQI
7th Sep 2025371 AMAQI
7th Sep 2025372 AMAQI
7th Sep 2025453 AMAQI
7th Sep 2025404 AMAQI
7th Sep 2025405 AMAQI
24°C20/28°C
7th Sep 2025426 AMAQI
7th Sep 2025407 AMAQI
7th Sep 2025398 AMAQI
7th Sep 2025339 AMAQI
7th Sep 20254010 AMAQI
7th Sep 20254411 AMAQI
7th Sep 20254312 PMAQI
7th Sep 2025541 PMAQI
7th Sep 2025542 PMAQI
7th Sep 2025533 PMAQI
7th Sep 2025494 PMAQI
7th Sep 2025495 PMAQI
7th Sep 2025576 PMAQI
7th Sep 2025507 PMAQI
7th Sep 2025538 PMAQI
7th Sep 2025519 PMAQI
7th Sep 20255210 PMAQI
7th Sep 20254811 PMAQI
8th Sep 20254412 AMAQI
8th Sep 2025381 AMAQI
8th Sep 2025402 AMAQI
8th Sep 2025403 AMAQI
8th Sep 2025424 AMAQI
8th Sep 2025405 AMAQI
23°C20/28°C
8th Sep 2025426 AMAQI
8th Sep 2025397 AMAQI
8th Sep 2025358 AMAQI
8th Sep 2025469 AMAQI
8th Sep 20254010 AMAQI
8th Sep 20255111 AMAQI
8th Sep 20254712 PMAQI
8th Sep 2025431 PMAQI
8th Sep 2025452 PMAQI
8th Sep 2025313 PMAQI
8th Sep 2025344 PMAQI
8th Sep 2025375 PMAQI
8th Sep 2025396 PMAQI
8th Sep 2025417 PMAQI
8th Sep 2025448 PMAQI
8th Sep 2025489 PMAQI
8th Sep 20254510 PMAQI
8th Sep 20254411 PMAQI
9th Sep 20253512 AMAQI
9th Sep 2025421 AMAQI
9th Sep 2025392 AMAQI
9th Sep 2025453 AMAQI
9th Sep 2025474 AMAQI
9th Sep 2025445 AMAQI
24°C21/28°C
9th Sep 2025446 AMAQI
9th Sep 2025427 AMAQI
9th Sep 2025278 AMAQI
9th Sep 2025269 AMAQI
9th Sep 20253310 AMAQI
9th Sep 20253111 AMAQI
9th Sep 20252712 PMAQI
9th Sep 2025301 PMAQI
9th Sep 2025252 PMAQI
9th Sep 2025253 PMAQI
9th Sep 2025264 PMAQI
9th Sep 2025345 PMAQI
9th Sep 2025356 PMAQI
9th Sep 2025377 PMAQI
9th Sep 2025378 PMAQI
9th Sep 2025369 PMAQI
9th Sep 20253310 PMAQI
9th Sep 20253911 PMAQI
10th Sep 20254012 AMAQI
10th Sep 2025411 AMAQI
10th Sep 2025422 AMAQI
10th Sep 2025413 AMAQI
10th Sep 2025404 AMAQI
10th Sep 2025425 AMAQI
23°C21/27°C
10th Sep 2025406 AMAQI
10th Sep 2025387 AMAQI
10th Sep 2025238 AMAQI
10th Sep 2025259 AMAQI
10th Sep 20252710 AMAQI
10th Sep 20253111 AMAQI
10th Sep 20252812 PMAQI
10th Sep 2025241 PMAQI
10th Sep 2025272 PMAQI
10th Sep 2025273 PMAQI
10th Sep 2025314 PMAQI
10th Sep 2025295 PMAQI
10th Sep 2025326 PMAQI
10th Sep 2025377 PMAQI
10th Sep 2025428 PMAQI
10th Sep 2025409 PMAQI
10th Sep 20253710 PMAQI
10th Sep 20254011 PMAQI
11th Sep 20254012 AMAQI
11th Sep 2025381 AMAQI
11th Sep 2025412 AMAQI
11th Sep 2025373 AMAQI
11th Sep 2025374 AMAQI
11th Sep 2025355 AMAQI
23°C20/26°C
11th Sep 2025366 AMAQI
11th Sep 2025367 AMAQI
11th Sep 2025318 AMAQI
11th Sep 2025379 AMAQI
11th Sep 20252910 AMAQI
11th Sep 20252811 AMAQI
11th Sep 20252812 PMAQI
11th Sep 2025281 PMAQI
11th Sep 2025252 PMAQI
11th Sep 2025293 PMAQI
11th Sep 2025314 PMAQI
11th Sep 2025335 PMAQI
11th Sep 2025286 PMAQI
11th Sep 2025347 PMAQI
11th Sep 2025308 PMAQI
11th Sep 2025359 PMAQI
11th Sep 20253010 PMAQI
11th Sep 20252811 PMAQI
12th Sep 20253512 AMAQI
12th Sep 2025391 AMAQI
12th Sep 2025382 AMAQI
12th Sep 2025373 AMAQI
12th Sep 2025344 AMAQI
12th Sep 2025365 AMAQI
24°C20/29°C
12th Sep 2025356 AMAQI
12th Sep 2025347 AMAQI
12th Sep 2025288 AMAQI
12th Sep 2025309 AMAQI
12th Sep 20252710 AMAQI
12th Sep 20253211 AMAQI
12th Sep 20252512 PMAQI
12th Sep 2025251 PMAQI
12th Sep 2025232 PMAQI
12th Sep 2025343 PMAQI
12th Sep 2025334 PMAQI
12th Sep 2025355 PMAQI
12th Sep 2025326 PMAQI
12th Sep 2025347 PMAQI
12th Sep 2025348 PMAQI
12th Sep 2025349 PMAQI
12th Sep 20253410 PMAQI
12th Sep 20253511 PMAQI
13th Sep 20253712 AMAQI
13th Sep 2025381 AMAQI
13th Sep 2025362 AMAQI
13th Sep 2025343 AMAQI
13th Sep 2025354 AMAQI
13th Sep 2025345 AMAQI
24°C20/30°C
13th Sep 2025346 AMAQI
13th Sep 2025347 AMAQI
13th Sep 2025378 AMAQI
13th Sep 2025359 AMAQI
13th Sep 20252710 AMAQI
13th Sep 20252511 AMAQI
13th Sep 20252612 PMAQI
13th Sep 2025221 PMAQI
13th Sep 2025242 PMAQI
13th Sep 2025263 PMAQI
13th Sep 2025234 PMAQI
13th Sep 2025225 PMAQI
13th Sep 2025276 PMAQI
13th Sep 2025327 PMAQI
13th Sep 2025368 PMAQI
13th Sep 2025359 PMAQI
13th Sep 20253210 PMAQI
13th Sep 20253111 PMAQI
14th Sep 20253412 AMAQI
14th Sep 2025341 AMAQI
14th Sep 2025352 AMAQI
14th Sep 2025343 AMAQI
14th Sep 2025344 AMAQI
14th Sep 2025345 AMAQI
23°C20/28°C
14th Sep 2025346 AMAQI
14th Sep 2025357 AMAQI
14th Sep 2025278 AMAQI
14th Sep 2025269 AMAQI
14th Sep 20252610 AMAQI
14th Sep 20253511 AMAQI
14th Sep 20252412 PMAQI
14th Sep 2025261 PMAQI
14th Sep 2025242 PMAQI
14th Sep 2025233 PMAQI
14th Sep 2025214 PMAQI
14th Sep 2025225 PMAQI
14th Sep 2025206 PMAQI
14th Sep 2025287 PMAQI
14th Sep 2025358 PMAQI
14th Sep 2025359 PMAQI
14th Sep 20252810 PMAQI
14th Sep 20252811 PMAQI
15th Sep 20252912 AMAQI
15th Sep 2025341 AMAQI
15th Sep 2025342 AMAQI
15th Sep 2025333 AMAQI
15th Sep 2025334 AMAQI
15th Sep 2025345 AMAQI
23°C20/26°C
15th Sep 2025346 AMAQI
15th Sep 2025337 AMAQI
15th Sep 2025358 AMAQI
15th Sep 2025379 AMAQI
15th Sep 20253910 AMAQI
15th Sep 20253211 AMAQI
15th Sep 20252012 PMAQI
15th Sep 2025171 PMAQI
15th Sep 2025152 PMAQI
15th Sep 2025183 PMAQI
15th Sep 2025184 PMAQI
15th Sep 2025165 PMAQI
15th Sep 2025176 PMAQI
15th Sep 2025227 PMAQI
15th Sep 2025288 PMAQI
15th Sep 2025329 PMAQI
15th Sep 20253110 PMAQI
15th Sep 20253411 PMAQI
16th Sep 20253012 AMAQI
16th Sep 2025331 AMAQI
16th Sep 2025342 AMAQI
16th Sep 2025323 AMAQI
16th Sep 2025324 AMAQI
16th Sep 2025335 AMAQI
24°C21/30°C
16th Sep 2025326 AMAQI
16th Sep 2025327 AMAQI
16th Sep 2025258 AMAQI
16th Sep 2025209 AMAQI
16th Sep 20252310 AMAQI
16th Sep 20252011 AMAQI
16th Sep 20252012 PMAQI
16th Sep 2025201 PMAQI
16th Sep 2025172 PMAQI
16th Sep 2025183 PMAQI
16th Sep 2025194 PMAQI
16th Sep 2025195 PMAQI
16th Sep 2025186 PMAQI
16th Sep 2025227 PMAQI
16th Sep 2025258 PMAQI
16th Sep 2025289 PMAQI
16th Sep 20253510 PMAQI
16th Sep 20252511 PMAQI
17th Sep 20252812 AMAQI
17th Sep 2025331 AMAQI
17th Sep 2025332 AMAQI
17th Sep 2025313 AMAQI
17th Sep 2025314 AMAQI
17th Sep 2025305 AMAQI
22°C19/27°C
17th Sep 2025306 AMAQI
17th Sep 2025317 AMAQI
17th Sep 2025208 AMAQI
17th Sep 2025239 AMAQI
17th Sep 20253210 AMAQI
17th Sep 20253211 AMAQI
17th Sep 20252412 PMAQI
17th Sep 2025301 PMAQI
17th Sep 2025232 PMAQI
17th Sep 2025203 PMAQI
17th Sep 2025214 PMAQI
17th Sep 2025265 PMAQI
17th Sep 2025306 PMAQI
17th Sep 2025317 PMAQI
17th Sep 2025318 PMAQI
17th Sep 2025309 PMAQI
17th Sep 20252910 PMAQI
17th Sep 20252811 PMAQI
18th Sep 20252912 AMAQI
18th Sep 2025331 AMAQI
18th Sep 2025322 AMAQI
18th Sep 2025323 AMAQI
18th Sep 2025324 AMAQI
18th Sep 2025315 AMAQI
23°C20/27°C
18th Sep 2025306 AMAQI
18th Sep 2025327 AMAQI
18th Sep 2025328 AMAQI
18th Sep 2025399 AMAQI
18th Sep 20251910 AMAQI
18th Sep 20251811 AMAQI
18th Sep 20252012 PMAQI
18th Sep 2025191 PMAQI
18th Sep 2025192 PMAQI
18th Sep 2025203 PMAQI
18th Sep 2025204 PMAQI
18th Sep 2025265 PMAQI
18th Sep 2025306 PMAQI
18th Sep 2025327 PMAQI
18th Sep 2025298 PMAQI
18th Sep 2025309 PMAQI
18th Sep 20253010 PMAQI
18th Sep 20252811 PMAQI
19th Sep 20252812 AMAQI
19th Sep 2025261 AMAQI
19th Sep 2025322 AMAQI
19th Sep 2025323 AMAQI
19th Sep 2025314 AMAQI
19th Sep 2025315 AMAQI
23°C20/26°C
19th Sep 2025306 AMAQI
19th Sep 2025307 AMAQI
19th Sep 2025238 AMAQI
19th Sep 2025189 AMAQI
19th Sep 20251810 AMAQI
19th Sep 20251911 AMAQI
19th Sep 20252812 PMAQI
19th Sep 2025261 PMAQI
19th Sep 2025232 PMAQI
19th Sep 2025213 PMAQI
19th Sep 2025204 PMAQI
19th Sep 2025155 PMAQI
19th Sep 2025166 PMAQI
19th Sep 2025207 PMAQI
19th Sep 2025238 PMAQI
19th Sep 2025249 PMAQI
19th Sep 20252410 PMAQI
19th Sep 20253211 PMAQI
20th Sep 20253412 AMAQI
20th Sep 2025331 AMAQI
20th Sep 2025342 AMAQI
20th Sep 2025343 AMAQI
20th Sep 2025304 AMAQI
20th Sep 2025295 AMAQI
23°C20/28°C
20th Sep 2025296 AMAQI
20th Sep 2025297 AMAQI
20th Sep 2025208 AMAQI
20th Sep 2025229 AMAQI
20th Sep 20252010 AMAQI
20th Sep 20252111 AMAQI
20th Sep 20251812 PMAQI
20th Sep 2025181 PMAQI
20th Sep 2025212 PMAQI
20th Sep 2025223 PMAQI
20th Sep 2025224 PMAQI
20th Sep 2025215 PMAQI
20th Sep 2025246 PMAQI
20th Sep 2025257 PMAQI
20th Sep 2025328 PMAQI
20th Sep 2025449 PMAQI
20th Sep 20254710 PMAQI
20th Sep 20254311 PMAQI
21st Sep 20253312 AMAQI
21st Sep 2025301 AMAQI
21st Sep 2025342 AMAQI
21st Sep 2025343 AMAQI
21st Sep 2025344 AMAQI
21st Sep 2025325 AMAQI
23°C20/28°C
21st Sep 2025296 AMAQI
21st Sep 2025287 AMAQI
21st Sep 2025218 AMAQI
21st Sep 2025219 AMAQI
21st Sep 20252210 AMAQI
21st Sep 20252111 AMAQI
21st Sep 20251712 PMAQI
21st Sep 2025161 PMAQI
21st Sep 2025172 PMAQI
21st Sep 2025183 PMAQI
21st Sep 2025204 PMAQI
21st Sep 2025215 PMAQI
21st Sep 2025196 PMAQI
21st Sep 2025207 PMAQI
21st Sep 2025278 PMAQI
21st Sep 2025289 PMAQI
21st Sep 20252810 PMAQI
21st Sep 20252611 PMAQI
22nd Sep 20252812 AMAQI
22nd Sep 2025311 AMAQI
22nd Sep 2025312 AMAQI
22nd Sep 2025313 AMAQI
22nd Sep 2025314 AMAQI
--°C/°C
6 AM
12 PM
6 PM
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 7 AM
39AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
2 PM
28AQI
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. 39), while the lowest AQI was between 2 PM to 2 PM (Avg. 28).
Night time
Avg. Highest Time
2 AM - 5 AM
39AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM
33AQI
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. 39), while the lowest AQI was between 7 PM to 7 PM (Avg. 33).
2025 Days Vs Air Quality
Chongshan, Hainan, China
2025
54%
142
44%
117
2%
4
Total number of days with different AQI categories in last 264 days in 2025 (101 days remaining)
Good
142 DaysModerate
117 DaysPoor
4 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 54%
Health Risk Level:
Considerable
In 2025, 54% of 264 days were within WHO’s safe air quality limits, and 46% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
97AQI
97AQI
2nd January 2025
83AQI
83AQI
3rd January 2025
92AQI
92AQI
4th January 2025
97AQI
97AQI
5th January 2025
110AQI
110AQI
6th January 2025
92AQI
92AQI
7th January 2025
91AQI
91AQI
8th January 2025
102AQI
102AQI
9th January 2025
96AQI
96AQI
10th January 2025
113AQI
113AQI
11th January 2025
92AQI
92AQI
12th January 2025
91AQI
91AQI
13th January 2025
80AQI
80AQI
14th January 2025
77AQI
77AQI
15th January 2025
64AQI
64AQI
16th January 2025
90AQI
90AQI
17th January 2025
93AQI
93AQI
18th January 2025
88AQI
88AQI
19th January 2025
99AQI
99AQI
20th January 2025
91AQI
91AQI
21st January 2025
89AQI
89AQI
22nd January 2025
91AQI
91AQI
23rd January 2025
77AQI
77AQI
24th January 2025
64AQI
64AQI
25th January 2025
62AQI
62AQI
26th January 2025
55AQI
55AQI
27th January 2025
65AQI
65AQI
28th January 2025
67AQI
67AQI
29th January 2025
78AQI
78AQI
30th January 2025
63AQI
63AQI
31st January 2025
67AQI
67AQI
1st February 2025
51AQI
51AQI
2nd February 2025
54AQI
54AQI
3rd February 2025
48AQI
48AQI
4th February 2025
43AQI
43AQI
5th February 2025
49AQI
49AQI
6th February 2025
59AQI
59AQI
7th February 2025
64AQI
64AQI
8th February 2025
51AQI
51AQI
9th February 2025
60AQI
60AQI
10th February 2025
57AQI
57AQI
11th February 2025
51AQI
51AQI
12th February 2025
44AQI
44AQI
13th February 2025
50AQI
50AQI
14th February 2025
46AQI
46AQI
15th February 2025
66AQI
66AQI
16th February 2025
48AQI
48AQI
17th February 2025
63AQI
63AQI
18th February 2025
69AQI
69AQI
19th February 2025
71AQI
71AQI
20th February 2025
62AQI
62AQI
21st February 2025
57AQI
57AQI
22nd February 2025
41AQI
41AQI
23rd February 2025
39AQI
39AQI
24th February 2025
35AQI
35AQI
25th February 2025
36AQI
36AQI
26th February 2025
41AQI
41AQI
27th February 2025
55AQI
55AQI
28th February 2025
52AQI
52AQI
1st March 2025
55AQI
55AQI
2nd March 2025
57AQI
57AQI
3rd March 2025
65AQI
65AQI
4th March 2025
51AQI
51AQI
5th March 2025
54AQI
54AQI
6th March 2025
40AQI
40AQI
7th March 2025
46AQI
46AQI
8th March 2025
32AQI
32AQI
9th March 2025
57AQI
57AQI
10th March 2025
52AQI
52AQI
11th March 2025
54AQI
54AQI
12th March 2025
47AQI
47AQI
13th March 2025
42AQI
42AQI
14th March 2025
41AQI
41AQI
15th March 2025
57AQI
57AQI
16th March 2025
50AQI
50AQI
17th March 2025
67AQI
67AQI
18th March 2025
64AQI
64AQI
19th March 2025
74AQI
74AQI
20th March 2025
70AQI
70AQI
21st March 2025
79AQI
79AQI
22nd March 2025
84AQI
84AQI
23rd March 2025
87AQI
87AQI
24th March 2025
83AQI
83AQI
25th March 2025
90AQI
90AQI
26th March 2025
76AQI
76AQI
27th March 2025
93AQI
93AQI
28th March 2025
75AQI
75AQI
29th March 2025
73AQI
73AQI
30th March 2025
47AQI
47AQI
31st March 2025
41AQI
41AQI
1st April 2025
47AQI
47AQI
2nd April 2025
61AQI
61AQI
3rd April 2025
62AQI
62AQI
4th April 2025
62AQI
62AQI
5th April 2025
65AQI
65AQI
6th April 2025
58AQI
58AQI
7th April 2025
55AQI
55AQI
8th April 2025
55AQI
55AQI
9th April 2025
75AQI
75AQI
10th April 2025
82AQI
82AQI
11th April 2025
76AQI
76AQI
12th April 2025
69AQI
69AQI
13th April 2025
93AQI
93AQI
14th April 2025
98AQI
98AQI
15th April 2025
105AQI
105AQI
16th April 2025
100AQI
100AQI
17th April 2025
97AQI
97AQI
18th April 2025
78AQI
78AQI
19th April 2025
64AQI
64AQI
20th April 2025
67AQI
67AQI
21st April 2025
62AQI
62AQI
22nd April 2025
68AQI
68AQI
23rd April 2025
57AQI
57AQI
24th April 2025
62AQI
62AQI
25th April 2025
65AQI
65AQI
26th April 2025
62AQI
62AQI
27th April 2025
62AQI
62AQI
28th April 2025
58AQI
58AQI
29th April 2025
49AQI
49AQI
30th April 2025
55AQI
55AQI
1st May 2025
58AQI
58AQI
2nd May 2025
65AQI
65AQI
3rd May 2025
66AQI
66AQI
4th May 2025
71AQI
71AQI
5th May 2025
58AQI
58AQI
6th May 2025
70AQI
70AQI
7th May 2025
70AQI
70AQI
8th May 2025
68AQI
68AQI
9th May 2025
66AQI
66AQI
10th May 2025
56AQI
56AQI
11th May 2025
62AQI
62AQI
12th May 2025
63AQI
63AQI
13th May 2025
66AQI
66AQI
14th May 2025
56AQI
56AQI
15th May 2025
42AQI
42AQI
16th May 2025
38AQI
38AQI
17th May 2025
42AQI
42AQI
18th May 2025
44AQI
44AQI
19th May 2025
43AQI
43AQI
20th May 2025
45AQI
45AQI
21st May 2025
48AQI
48AQI
22nd May 2025
39AQI
39AQI
23rd May 2025
39AQI
39AQI
24th May 2025
37AQI
37AQI
25th May 2025
41AQI
41AQI
26th May 2025
54AQI
54AQI
27th May 2025
46AQI
46AQI
28th May 2025
40AQI
40AQI
29th May 2025
36AQI
36AQI
30th May 2025
41AQI
41AQI
31st May 2025
38AQI
38AQI
1st June 2025
41AQI
41AQI
2nd June 2025
41AQI
41AQI
3rd June 2025
46AQI
46AQI
4th June 2025
52AQI
52AQI
5th June 2025
46AQI
46AQI
6th June 2025
48AQI
48AQI
7th June 2025
49AQI
49AQI
8th June 2025
50AQI
50AQI
9th June 2025
57AQI
57AQI
10th June 2025
57AQI
57AQI
11th June 2025
45AQI
45AQI
12th June 2025
36AQI
36AQI
13th June 2025
43AQI
43AQI
14th June 2025
37AQI
37AQI
15th June 2025
37AQI
37AQI
16th June 2025
42AQI
42AQI
17th June 2025
43AQI
43AQI
18th June 2025
38AQI
38AQI
19th June 2025
36AQI
36AQI
20th June 2025
35AQI
35AQI
21st June 2025
37AQI
37AQI
22nd June 2025
44AQI
44AQI
23rd June 2025
33AQI
33AQI
24th June 2025
33AQI
33AQI
25th June 2025
29AQI
29AQI
26th June 2025
29AQI
29AQI
27th June 2025
29AQI
29AQI
28th June 2025
27AQI
27AQI
29th June 2025
27AQI
27AQI
30th June 2025
26AQI
26AQI
1st July 2025
33AQI
33AQI
2nd July 2025
27AQI
27AQI
3rd July 2025
26AQI
26AQI
4th July 2025
26AQI
26AQI
5th July 2025
29AQI
29AQI
6th July 2025
27AQI
27AQI
7th July 2025
26AQI
26AQI
8th July 2025
32AQI
32AQI
9th July 2025
35AQI
35AQI
10th July 2025
35AQI
35AQI
11th July 2025
42AQI
42AQI
12th July 2025
36AQI
36AQI
13th July 2025
45AQI
45AQI
14th July 2025
48AQI
48AQI
15th July 2025
44AQI
44AQI
16th July 2025
42AQI
42AQI
17th July 2025
41AQI
41AQI
18th July 2025
41AQI
41AQI
19th July 2025
35AQI
35AQI
20th July 2025
33AQI
33AQI
21st July 2025
30AQI
30AQI
22nd July 2025
29AQI
29AQI
23rd July 2025
28AQI
28AQI
24th July 2025
27AQI
27AQI
25th July 2025
32AQI
32AQI
26th July 2025
29AQI
29AQI
27th July 2025
30AQI
30AQI
28th July 2025
27AQI
27AQI
29th July 2025
27AQI
27AQI
30th July 2025
33AQI
33AQI
31st July 2025
42AQI
42AQI
1st August 2025
55AQI
55AQI
2nd August 2025
56AQI
56AQI
3rd August 2025
56AQI
56AQI
4th August 2025
56AQI
56AQI
5th August 2025
54AQI
54AQI
6th August 2025
51AQI
51AQI
7th August 2025
49AQI
49AQI
8th August 2025
44AQI
44AQI
9th August 2025
41AQI
41AQI
10th August 2025
41AQI
41AQI
11th August 2025
41AQI
41AQI
12th August 2025
46AQI
46AQI
13th August 2025
44AQI
44AQI
14th August 2025
40AQI
40AQI
15th August 2025
38AQI
38AQI
16th August 2025
37AQI
37AQI
17th August 2025
34AQI
34AQI
18th August 2025
34AQI
34AQI
19th August 2025
33AQI
33AQI
20th August 2025
34AQI
34AQI
21st August 2025
36AQI
36AQI
22nd August 2025
37AQI
37AQI
23rd August 2025
39AQI
39AQI
24th August 2025
37AQI
37AQI
25th August 2025
37AQI
37AQI
26th August 2025
36AQI
36AQI
27th August 2025
36AQI
36AQI
28th August 2025
38AQI
38AQI
29th August 2025
42AQI
42AQI
30th August 2025
38AQI
38AQI
31st August 2025
39AQI
39AQI
1st September 2025
37AQI
37AQI
2nd September 2025
40AQI
40AQI
3rd September 2025
39AQI
39AQI
4th September 2025
34AQI
34AQI
5th September 2025
33AQI
33AQI
6th September 2025
33AQI
33AQI
7th September 2025
46AQI
46AQI
8th September 2025
42AQI
42AQI
9th September 2025
36AQI
36AQI
10th September 2025
35AQI
35AQI
11th September 2025
33AQI
33AQI
12th September 2025
33AQI
33AQI
13th September 2025
31AQI
31AQI
14th September 2025
30AQI
30AQI
15th September 2025
28AQI
28AQI
16th September 2025
26AQI
26AQI
17th September 2025
29AQI
29AQI
18th September 2025
28AQI
28AQI
19th September 2025
25AQI
25AQI
20th September 2025
28AQI
28AQI
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
84AQI
52AQI
61AQI
69AQI
52AQI
40AQI
33AQI
42AQI
33AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202553AQI
28
3
12
16
9
22
2
27
1
16
15
27
3
31
25
6
20
142
117
4
Highest AQI recorded in
January84AQI
Lowest AQI recorded in
September33AQI
202444AQI
20
1
12
5
11
11
5
13
17
6
30
31
31
28
1
20
9
2
20
10
28
3
225
84
5
Highest AQI recorded in
December80AQI
Lowest AQI recorded in
July29AQI
202338AQI
3
8
1
3
9
1
2
1
1
1
5
2
9
4
1
3
28
3
59
25
1
Highest AQI recorded in
March65AQI
Lowest AQI recorded in
September17AQI
202240AQI
22
7
19
2
17
14
14
16
30
1
30
20
1
4
3
7
14
11
20
3
7
6
200
68
Highest AQI recorded in
September54AQI
Lowest AQI recorded in
August25AQI
202143AQI
2
26
3
11
17
16
15
23
7
29
2
24
6
31
30
1
29
1
27
4
14
16
11
19
1
247
114
4
Highest AQI recorded in
January72AQI
Lowest AQI recorded in
September26AQI
202039AQI
8
2
7
6
13
3
28
31
29
2
29
1
21
10
15
13
2
11
20
192
57
2
Highest AQI recorded in
December60AQI
Lowest AQI recorded in
September26AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
53AQILeast Polluted Year Recorded
2023(Avg.)
38AQIChongshan's annual 2025 AQI (53) shows an average percentage change of 30.2% (worsened AQI) compared to previous years: 2020 (39), 2021 (43), 2022 (40), 2023 (38), 2024 (44).
