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HistoryAQIPM2.5PM10COSO2NO2O3

Dinganxian, Haikou, 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

Dinganxian, Haikou, Hainan, China

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
16th Sep 2022
105AQI
Lowest AQI recorded on
8th Sep 2022
9AQI

Same Day Analysis (22nd September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 33 of Good air quality, showing improvement over 2024 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 22nd Sep - 23rd Sep 2025

Dinganxian, Haikou, Hainan, China

AQI
Day
Night
.

6 AM22nd Sep 2025

6 PM

5 AM23rd Sep 2025

Day time
Avg. Highest Time
12AMNaNth undefined

AQI

Avg. Lowest Time
12AMNaNth undefined

AQI

Night time
Avg. Highest Time
4PM22nd Sep

38AQI

Avg. Lowest Time
12PM22nd Sep

24AQI

In the last 24 hours,

Dinganxian's AQI reached its highest point of 38 at 4 PM during the Night, while the lowest point, 24, was recorded at 12 PM during the Night between 22nd Sep and 23rd Sep 2025.

Day & Night AQI Trend : Aug - Sep 2025

Dinganxian, Haikou, Hainan, China

AugSep
24th - 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 - 23rd23rd
Day
Night
24th Aug 2025426 AMAQI
24th Aug 2025397 AMAQI
24th Aug 2025468 AMAQI
24th Aug 2025389 AMAQI
24th Aug 20253710 AMAQI
24th Aug 20253311 AMAQI
24th Aug 20253212 PMAQI
24th Aug 2025341 PMAQI
24th Aug 2025302 PMAQI
24th Aug 2025353 PMAQI
24th Aug 2025404 PMAQI
24th Aug 2025335 PMAQI
24th Aug 2025316 PMAQI
24th Aug 2025327 PMAQI
24th Aug 2025388 PMAQI
24th Aug 2025359 PMAQI
24th Aug 20253910 PMAQI
24th Aug 20254011 PMAQI
25th Aug 20253612 AMAQI
25th Aug 2025381 AMAQI
25th Aug 2025372 AMAQI
25th Aug 2025363 AMAQI
25th Aug 2025414 AMAQI
25th Aug 2025415 AMAQI

25°C24/27°C

25th Aug 2025406 AMAQI
25th Aug 2025397 AMAQI
25th Aug 2025248 AMAQI
25th Aug 2025279 AMAQI
25th Aug 20252310 AMAQI
25th Aug 20252611 AMAQI
25th Aug 20252712 PMAQI
25th Aug 2025281 PMAQI
25th Aug 2025242 PMAQI
25th Aug 2025283 PMAQI
25th Aug 2025354 PMAQI
25th Aug 2025315 PMAQI
25th Aug 2025236 PMAQI
25th Aug 2025327 PMAQI
25th Aug 2025338 PMAQI
25th Aug 2025339 PMAQI
25th Aug 20253210 PMAQI
25th Aug 20253211 PMAQI
26th Aug 20253412 AMAQI
26th Aug 2025391 AMAQI
26th Aug 2025392 AMAQI
26th Aug 2025383 AMAQI
26th Aug 2025374 AMAQI
26th Aug 2025375 AMAQI

25°C23/27°C

26th Aug 2025386 AMAQI
26th Aug 2025377 AMAQI
26th Aug 2025308 AMAQI
26th Aug 2025339 AMAQI
26th Aug 20253310 AMAQI
26th Aug 20252811 AMAQI
26th Aug 20253412 PMAQI
26th Aug 2025361 PMAQI
26th Aug 2025342 PMAQI
26th Aug 2025383 PMAQI
26th Aug 2025224 PMAQI
26th Aug 2025265 PMAQI
26th Aug 2025286 PMAQI
26th Aug 2025407 PMAQI
26th Aug 2025388 PMAQI
26th Aug 2025409 PMAQI
26th Aug 20253210 PMAQI
26th Aug 20253211 PMAQI
27th Aug 20253912 AMAQI
27th Aug 2025381 AMAQI
27th Aug 2025402 AMAQI
27th Aug 2025383 AMAQI
27th Aug 2025374 AMAQI
27th Aug 2025385 AMAQI

26°C24/29°C

27th Aug 2025386 AMAQI
27th Aug 2025387 AMAQI
27th Aug 2025348 AMAQI
27th Aug 2025299 AMAQI
27th Aug 20254510 AMAQI
27th Aug 20255211 AMAQI
27th Aug 20254512 PMAQI
27th Aug 2025301 PMAQI
27th Aug 2025382 PMAQI
27th Aug 2025313 PMAQI
27th Aug 2025404 PMAQI
27th Aug 2025265 PMAQI
27th Aug 2025296 PMAQI
27th Aug 2025337 PMAQI
27th Aug 2025328 PMAQI
27th Aug 2025449 PMAQI
27th Aug 20253510 PMAQI
27th Aug 20253611 PMAQI
28th Aug 20254012 AMAQI
28th Aug 2025401 AMAQI
28th Aug 2025402 AMAQI
28th Aug 2025393 AMAQI
28th Aug 2025414 AMAQI
28th Aug 2025395 AMAQI

26°C24/30°C

28th Aug 2025406 AMAQI
28th Aug 2025397 AMAQI
28th Aug 2025408 AMAQI
28th Aug 2025509 AMAQI
28th Aug 20254910 AMAQI
28th Aug 20254311 AMAQI
28th Aug 20254112 PMAQI
28th Aug 2025381 PMAQI
28th Aug 2025412 PMAQI
28th Aug 2025423 PMAQI
28th Aug 2025504 PMAQI
28th Aug 2025405 PMAQI
28th Aug 2025476 PMAQI
28th Aug 2025397 PMAQI
28th Aug 2025308 PMAQI
28th Aug 2025339 PMAQI
28th Aug 20253510 PMAQI
28th Aug 20253211 PMAQI
29th Aug 20253212 AMAQI
29th Aug 2025451 AMAQI
29th Aug 2025462 AMAQI
29th Aug 2025433 AMAQI
29th Aug 2025464 AMAQI
29th Aug 2025455 AMAQI

26°C23/31°C

29th Aug 2025476 AMAQI
29th Aug 2025477 AMAQI
29th Aug 2025528 AMAQI
29th Aug 2025309 AMAQI
29th Aug 20254210 AMAQI
29th Aug 20253511 AMAQI
29th Aug 20253612 PMAQI
29th Aug 2025331 PMAQI
29th Aug 2025482 PMAQI
29th Aug 2025373 PMAQI
29th Aug 2025364 PMAQI
29th Aug 2025365 PMAQI
29th Aug 2025506 PMAQI
29th Aug 2025487 PMAQI
29th Aug 2025428 PMAQI
29th Aug 2025399 PMAQI
29th Aug 20253410 PMAQI
29th Aug 20253611 PMAQI
30th Aug 20253812 AMAQI
30th Aug 2025461 AMAQI
30th Aug 2025462 AMAQI
30th Aug 2025463 AMAQI
30th Aug 2025454 AMAQI
30th Aug 2025445 AMAQI

25°C24/27°C

30th Aug 2025436 AMAQI
30th Aug 2025447 AMAQI
30th Aug 2025318 AMAQI
30th Aug 2025209 AMAQI
30th Aug 20252810 AMAQI
30th Aug 20252711 AMAQI
30th Aug 20252012 PMAQI
30th Aug 2025311 PMAQI
30th Aug 2025232 PMAQI
30th Aug 2025323 PMAQI
30th Aug 2025314 PMAQI
30th Aug 2025325 PMAQI
30th Aug 2025286 PMAQI
30th Aug 2025327 PMAQI
30th Aug 2025398 PMAQI
30th Aug 2025389 PMAQI
30th Aug 20253810 PMAQI
30th Aug 20253711 PMAQI
31st Aug 20253712 AMAQI
31st Aug 2025401 AMAQI
31st Aug 2025502 AMAQI
31st Aug 2025443 AMAQI
31st Aug 2025404 AMAQI
31st Aug 2025425 AMAQI

26°C25/28°C

31st Aug 2025426 AMAQI
31st Aug 2025417 AMAQI
31st Aug 2025288 AMAQI
31st Aug 2025209 AMAQI
31st Aug 20252410 AMAQI
31st Aug 20251911 AMAQI
31st Aug 20252912 PMAQI
31st Aug 2025351 PMAQI
31st Aug 2025352 PMAQI
31st Aug 2025333 PMAQI
31st Aug 2025304 PMAQI
31st Aug 2025205 PMAQI
31st Aug 2025266 PMAQI
31st Aug 2025387 PMAQI
31st Aug 2025328 PMAQI
31st Aug 2025369 PMAQI
31st Aug 20254110 PMAQI
31st Aug 20254311 PMAQI
1st Sep 20253412 AMAQI
1st Sep 2025391 AMAQI
1st Sep 2025442 AMAQI
1st Sep 2025443 AMAQI
1st Sep 2025404 AMAQI
1st Sep 2025425 AMAQI

26°C24/30°C

1st Sep 2025486 AMAQI
1st Sep 2025487 AMAQI
1st Sep 2025228 AMAQI
1st Sep 2025239 AMAQI
1st Sep 20252410 AMAQI
1st Sep 20252211 AMAQI
1st Sep 20252212 PMAQI
1st Sep 2025361 PMAQI
1st Sep 2025252 PMAQI
1st Sep 2025213 PMAQI
1st Sep 2025214 PMAQI
1st Sep 2025255 PMAQI
1st Sep 2025286 PMAQI
1st Sep 2025367 PMAQI
1st Sep 2025368 PMAQI
1st Sep 2025369 PMAQI
1st Sep 20253810 PMAQI
1st Sep 20254011 PMAQI
2nd Sep 20253812 AMAQI
2nd Sep 2025421 AMAQI
2nd Sep 2025422 AMAQI
2nd Sep 2025433 AMAQI
2nd Sep 2025404 AMAQI
2nd Sep 2025395 AMAQI

26°C24/30°C

2nd Sep 2025426 AMAQI
2nd Sep 2025447 AMAQI
2nd Sep 2025318 AMAQI
2nd Sep 2025469 AMAQI
2nd Sep 20253110 AMAQI
2nd Sep 20251911 AMAQI
2nd Sep 20251912 PMAQI
2nd Sep 2025291 PMAQI
2nd Sep 2025352 PMAQI
2nd Sep 2025233 PMAQI
2nd Sep 2025284 PMAQI
2nd Sep 2025205 PMAQI
2nd Sep 2025296 PMAQI
2nd Sep 2025287 PMAQI
2nd Sep 2025408 PMAQI
2nd Sep 2025389 PMAQI
2nd Sep 20253910 PMAQI
2nd Sep 20253911 PMAQI
3rd Sep 20254512 AMAQI
3rd Sep 2025381 AMAQI
3rd Sep 2025492 AMAQI
3rd Sep 2025443 AMAQI
3rd Sep 2025444 AMAQI
3rd Sep 2025405 AMAQI

27°C24/32°C

3rd Sep 2025406 AMAQI
3rd Sep 2025407 AMAQI
3rd Sep 2025308 AMAQI
3rd Sep 2025339 AMAQI
3rd Sep 20253610 AMAQI
3rd Sep 20253211 AMAQI
3rd Sep 20253012 PMAQI
3rd Sep 2025311 PMAQI
3rd Sep 2025392 PMAQI
3rd Sep 2025303 PMAQI
3rd Sep 2025354 PMAQI
3rd Sep 2025215 PMAQI
3rd Sep 2025266 PMAQI
3rd Sep 2025357 PMAQI
3rd Sep 2025428 PMAQI
3rd Sep 2025489 PMAQI
3rd Sep 20254210 PMAQI
3rd Sep 20254111 PMAQI
4th Sep 20253812 AMAQI
4th Sep 2025441 AMAQI
4th Sep 2025422 AMAQI
4th Sep 2025423 AMAQI
4th Sep 2025404 AMAQI
4th Sep 2025415 AMAQI

27°C24/33°C

4th Sep 2025396 AMAQI
4th Sep 2025397 AMAQI
4th Sep 2025318 AMAQI
4th Sep 2025359 AMAQI
4th Sep 20253210 AMAQI
4th Sep 20255211 AMAQI
4th Sep 20253312 PMAQI
4th Sep 2025341 PMAQI
4th Sep 2025272 PMAQI
4th Sep 2025253 PMAQI
4th Sep 2025214 PMAQI
4th Sep 2025215 PMAQI
4th Sep 2025216 PMAQI
4th Sep 2025197 PMAQI
4th Sep 2025158 PMAQI
4th Sep 2025179 PMAQI
4th Sep 20252210 PMAQI
4th Sep 20252211 PMAQI
5th Sep 20253512 AMAQI
5th Sep 2025381 AMAQI
5th Sep 2025362 AMAQI
5th Sep 2025383 AMAQI
5th Sep 2025374 AMAQI
5th Sep 2025425 AMAQI

27°C24/31°C

5th Sep 2025396 AMAQI
5th Sep 2025397 AMAQI
5th Sep 2025488 AMAQI
5th Sep 2025539 AMAQI
5th Sep 20253610 AMAQI
5th Sep 20252411 AMAQI
5th Sep 20252812 PMAQI
5th Sep 2025301 PMAQI
5th Sep 2025322 PMAQI
5th Sep 2025263 PMAQI
5th Sep 2025254 PMAQI
5th Sep 2025275 PMAQI
5th Sep 2025336 PMAQI
5th Sep 2025317 PMAQI
5th Sep 2025328 PMAQI
5th Sep 2025349 PMAQI
5th Sep 20253510 PMAQI
5th Sep 20253211 PMAQI
6th Sep 20253012 AMAQI
6th Sep 2025361 AMAQI
6th Sep 2025342 AMAQI
6th Sep 2025363 AMAQI
6th Sep 2025374 AMAQI
6th Sep 2025375 AMAQI

27°C24/31°C

6th Sep 2025366 AMAQI
6th Sep 2025357 AMAQI
6th Sep 2025248 AMAQI
6th Sep 2025429 AMAQI
6th Sep 20252810 AMAQI
6th Sep 20252811 AMAQI
6th Sep 20252212 PMAQI
6th Sep 2025221 PMAQI
6th Sep 2025212 PMAQI
6th Sep 2025253 PMAQI
6th Sep 2025294 PMAQI
6th Sep 2025215 PMAQI
6th Sep 2025246 PMAQI
6th Sep 2025287 PMAQI
6th Sep 2025268 PMAQI
6th Sep 2025369 PMAQI
6th Sep 20253410 PMAQI
6th Sep 20254111 PMAQI
7th Sep 20254012 AMAQI
7th Sep 2025361 AMAQI
7th Sep 2025342 AMAQI
7th Sep 2025363 AMAQI
7th Sep 2025334 AMAQI
7th Sep 2025325 AMAQI

27°C24/33°C

7th Sep 2025346 AMAQI
7th Sep 2025347 AMAQI
7th Sep 2025468 AMAQI
7th Sep 2025509 AMAQI
7th Sep 20254810 AMAQI
7th Sep 20254811 AMAQI
7th Sep 20254212 PMAQI
7th Sep 2025541 PMAQI
7th Sep 2025542 PMAQI
7th Sep 2025533 PMAQI
7th Sep 2025514 PMAQI
7th Sep 2025445 PMAQI
7th Sep 2025546 PMAQI
7th Sep 2025497 PMAQI
7th Sep 2025498 PMAQI
7th Sep 2025489 PMAQI
7th Sep 20254810 PMAQI
7th Sep 20254511 PMAQI
8th Sep 20254212 AMAQI
8th Sep 2025351 AMAQI
8th Sep 2025342 AMAQI
8th Sep 2025383 AMAQI
8th Sep 2025394 AMAQI
8th Sep 2025395 AMAQI

27°C24/30°C

8th Sep 2025406 AMAQI
8th Sep 2025397 AMAQI
8th Sep 2025448 AMAQI
8th Sep 2025389 AMAQI
8th Sep 20253710 AMAQI
8th Sep 20253811 AMAQI
8th Sep 20253512 PMAQI
8th Sep 2025361 PMAQI
8th Sep 2025352 PMAQI
8th Sep 2025323 PMAQI
8th Sep 2025314 PMAQI
8th Sep 2025315 PMAQI
8th Sep 2025406 PMAQI
8th Sep 2025427 PMAQI
8th Sep 2025508 PMAQI
8th Sep 2025519 PMAQI
8th Sep 20255010 PMAQI
8th Sep 20254711 PMAQI
9th Sep 20254412 AMAQI
9th Sep 2025401 AMAQI
9th Sep 2025382 AMAQI
9th Sep 2025383 AMAQI
9th Sep 2025404 AMAQI
9th Sep 2025395 AMAQI

26°C24/30°C

9th Sep 2025386 AMAQI
9th Sep 2025387 AMAQI
9th Sep 2025278 AMAQI
9th Sep 2025249 AMAQI
9th Sep 20253010 AMAQI
9th Sep 20253411 AMAQI
9th Sep 20253012 PMAQI
9th Sep 2025341 PMAQI
9th Sep 2025292 PMAQI
9th Sep 2025303 PMAQI
9th Sep 2025264 PMAQI
9th Sep 2025265 PMAQI
9th Sep 2025306 PMAQI
9th Sep 2025387 PMAQI
9th Sep 2025348 PMAQI
9th Sep 2025349 PMAQI
9th Sep 20253410 PMAQI
9th Sep 20253511 PMAQI
10th Sep 20253812 AMAQI
10th Sep 2025401 AMAQI
10th Sep 2025412 AMAQI
10th Sep 2025403 AMAQI
10th Sep 2025374 AMAQI
10th Sep 2025365 AMAQI

27°C24/33°C

10th Sep 2025386 AMAQI
10th Sep 2025387 AMAQI
10th Sep 2025268 AMAQI
10th Sep 2025259 AMAQI
10th Sep 20253010 AMAQI
10th Sep 20253411 AMAQI
10th Sep 20252712 PMAQI
10th Sep 2025381 PMAQI
10th Sep 2025372 PMAQI
10th Sep 2025273 PMAQI
10th Sep 2025264 PMAQI
10th Sep 2025245 PMAQI
10th Sep 2025226 PMAQI
10th Sep 2025297 PMAQI
10th Sep 2025348 PMAQI
10th Sep 2025349 PMAQI
10th Sep 20253410 PMAQI
10th Sep 20253311 PMAQI
11th Sep 20253712 AMAQI
11th Sep 2025391 AMAQI
11th Sep 2025392 AMAQI
11th Sep 2025383 AMAQI
11th Sep 2025384 AMAQI
11th Sep 2025375 AMAQI

26°C24/29°C

11th Sep 2025356 AMAQI
11th Sep 2025367 AMAQI
11th Sep 2025248 AMAQI
11th Sep 2025299 AMAQI
11th Sep 20252810 AMAQI
11th Sep 20253511 AMAQI
11th Sep 20252412 PMAQI
11th Sep 2025281 PMAQI
11th Sep 2025302 PMAQI
11th Sep 2025323 PMAQI
11th Sep 2025334 PMAQI
11th Sep 2025285 PMAQI
11th Sep 2025286 PMAQI
11th Sep 2025297 PMAQI
11th Sep 2025308 PMAQI
11th Sep 2025339 PMAQI
11th Sep 20253210 PMAQI
11th Sep 20253211 PMAQI
12th Sep 20253412 AMAQI
12th Sep 2025381 AMAQI
12th Sep 2025392 AMAQI
12th Sep 2025373 AMAQI
12th Sep 2025354 AMAQI
12th Sep 2025365 AMAQI

27°C23/33°C

12th Sep 2025376 AMAQI
12th Sep 2025417 AMAQI
12th Sep 2025348 AMAQI
12th Sep 2025329 AMAQI
12th Sep 20252410 AMAQI
12th Sep 20252811 AMAQI
12th Sep 20252812 PMAQI
12th Sep 2025251 PMAQI
12th Sep 2025232 PMAQI
12th Sep 2025193 PMAQI
12th Sep 2025244 PMAQI
12th Sep 2025255 PMAQI
12th Sep 2025326 PMAQI
12th Sep 2025327 PMAQI
12th Sep 2025388 PMAQI
12th Sep 2025429 PMAQI
12th Sep 20253210 PMAQI
12th Sep 20253411 PMAQI
13th Sep 20253512 AMAQI
13th Sep 2025391 AMAQI
13th Sep 2025362 AMAQI
13th Sep 2025363 AMAQI
13th Sep 2025354 AMAQI
13th Sep 2025355 AMAQI

27°C23/32°C

13th Sep 2025346 AMAQI
13th Sep 2025347 AMAQI
13th Sep 2025398 AMAQI
13th Sep 2025299 AMAQI
13th Sep 20253010 AMAQI
13th Sep 20252811 AMAQI
13th Sep 20253212 PMAQI
13th Sep 2025311 PMAQI
13th Sep 2025272 PMAQI
13th Sep 2025303 PMAQI
13th Sep 2025254 PMAQI
13th Sep 2025245 PMAQI
13th Sep 2025216 PMAQI
13th Sep 2025367 PMAQI
13th Sep 2025378 PMAQI
13th Sep 2025349 PMAQI
13th Sep 20253410 PMAQI
13th Sep 20253211 PMAQI
14th Sep 20252912 AMAQI
14th Sep 2025351 AMAQI
14th Sep 2025362 AMAQI
14th Sep 2025343 AMAQI
14th Sep 2025354 AMAQI
14th Sep 2025345 AMAQI

26°C24/30°C

14th Sep 2025356 AMAQI
14th Sep 2025367 AMAQI
14th Sep 2025278 AMAQI
14th Sep 2025199 AMAQI
14th Sep 20252510 AMAQI
14th Sep 20252711 AMAQI
14th Sep 20252312 PMAQI
14th Sep 2025231 PMAQI
14th Sep 2025292 PMAQI
14th Sep 2025243 PMAQI
14th Sep 2025244 PMAQI
14th Sep 2025265 PMAQI
14th Sep 2025236 PMAQI
14th Sep 2025267 PMAQI
14th Sep 2025308 PMAQI
14th Sep 2025359 PMAQI
14th Sep 20253110 PMAQI
14th Sep 20253111 PMAQI
15th Sep 20253012 AMAQI
15th Sep 2025341 AMAQI
15th Sep 2025352 AMAQI
15th Sep 2025323 AMAQI
15th Sep 2025314 AMAQI
15th Sep 2025325 AMAQI

27°C24/32°C

15th Sep 2025326 AMAQI
15th Sep 2025327 AMAQI
15th Sep 2025348 AMAQI
15th Sep 2025409 AMAQI
15th Sep 20252710 AMAQI
15th Sep 20252811 AMAQI
15th Sep 20252412 PMAQI
15th Sep 2025251 PMAQI
15th Sep 2025242 PMAQI
15th Sep 2025223 PMAQI
15th Sep 2025204 PMAQI
15th Sep 2025185 PMAQI
15th Sep 2025186 PMAQI
15th Sep 2025207 PMAQI
15th Sep 2025308 PMAQI
15th Sep 2025349 PMAQI
15th Sep 20253210 PMAQI
15th Sep 20253011 PMAQI
16th Sep 20253112 AMAQI
16th Sep 2025321 AMAQI
16th Sep 2025342 AMAQI
16th Sep 2025323 AMAQI
16th Sep 2025324 AMAQI
16th Sep 2025325 AMAQI

26°C23/32°C

16th Sep 2025346 AMAQI
16th Sep 2025327 AMAQI
16th Sep 2025248 AMAQI
16th Sep 2025289 AMAQI
16th Sep 20252610 AMAQI
16th Sep 20252811 AMAQI
16th Sep 20252212 PMAQI
16th Sep 2025261 PMAQI
16th Sep 2025242 PMAQI
16th Sep 2025183 PMAQI
16th Sep 2025194 PMAQI
16th Sep 2025165 PMAQI
16th Sep 2025186 PMAQI
16th Sep 2025237 PMAQI
16th Sep 2025248 PMAQI
16th Sep 2025289 PMAQI
16th Sep 20253010 PMAQI
16th Sep 20252711 PMAQI
17th Sep 20252812 AMAQI
17th Sep 2025331 AMAQI
17th Sep 2025332 AMAQI
17th Sep 2025323 AMAQI
17th Sep 2025324 AMAQI
17th Sep 2025325 AMAQI

26°C24/30°C

17th Sep 2025326 AMAQI
17th Sep 2025327 AMAQI
17th Sep 2025248 AMAQI
17th Sep 2025249 AMAQI
17th Sep 20252710 AMAQI
17th Sep 20252011 AMAQI
17th Sep 20252412 PMAQI
17th Sep 2025201 PMAQI
17th Sep 2025232 PMAQI
17th Sep 2025283 PMAQI
17th Sep 2025214 PMAQI
17th Sep 2025245 PMAQI
17th Sep 2025236 PMAQI
17th Sep 2025287 PMAQI
17th Sep 2025298 PMAQI
17th Sep 2025269 PMAQI
17th Sep 20252710 PMAQI
17th Sep 20252611 PMAQI
18th Sep 20252812 AMAQI
18th Sep 2025321 AMAQI
18th Sep 2025332 AMAQI
18th Sep 2025333 AMAQI
18th Sep 2025314 AMAQI
18th Sep 2025325 AMAQI

26°C24/30°C

18th Sep 2025316 AMAQI
18th Sep 2025317 AMAQI
18th Sep 2025278 AMAQI
18th Sep 2025339 AMAQI
18th Sep 20254010 AMAQI
18th Sep 20254711 AMAQI
18th Sep 20253412 PMAQI
18th Sep 2025201 PMAQI
18th Sep 2025202 PMAQI
18th Sep 2025253 PMAQI
18th Sep 2025214 PMAQI
18th Sep 2025205 PMAQI
18th Sep 2025246 PMAQI
18th Sep 2025297 PMAQI
18th Sep 2025338 PMAQI
18th Sep 2025349 PMAQI
18th Sep 20253310 PMAQI
18th Sep 20253011 PMAQI
19th Sep 20252612 AMAQI
19th Sep 2025271 AMAQI
19th Sep 2025322 AMAQI
19th Sep 2025323 AMAQI
19th Sep 2025324 AMAQI
19th Sep 2025325 AMAQI

26°C24/29°C

19th Sep 2025326 AMAQI
19th Sep 2025317 AMAQI
19th Sep 2025208 AMAQI
19th Sep 2025189 AMAQI
19th Sep 20252110 AMAQI
19th Sep 20251911 AMAQI
19th Sep 20252912 PMAQI
19th Sep 2025321 PMAQI
19th Sep 2025302 PMAQI
19th Sep 2025283 PMAQI
19th Sep 2025244 PMAQI
19th Sep 2025175 PMAQI
19th Sep 2025186 PMAQI
19th Sep 2025247 PMAQI
19th Sep 2025268 PMAQI
19th Sep 2025279 PMAQI
19th Sep 20252810 PMAQI
19th Sep 20253311 PMAQI
20th Sep 20253612 AMAQI
20th Sep 2025321 AMAQI
20th Sep 2025322 AMAQI
20th Sep 2025333 AMAQI
20th Sep 2025324 AMAQI
20th Sep 2025335 AMAQI

27°C24/32°C

20th Sep 2025346 AMAQI
20th Sep 2025337 AMAQI
20th Sep 2025388 AMAQI
20th Sep 2025399 AMAQI
20th Sep 20254010 AMAQI
20th Sep 20254011 AMAQI
20th Sep 20254212 PMAQI
20th Sep 2025401 PMAQI
20th Sep 2025322 PMAQI
20th Sep 2025303 PMAQI
20th Sep 2025294 PMAQI
20th Sep 2025305 PMAQI
20th Sep 2025336 PMAQI
20th Sep 2025387 PMAQI
20th Sep 2025348 PMAQI
20th Sep 2025369 PMAQI
20th Sep 20254010 PMAQI
20th Sep 20254211 PMAQI
21st Sep 20253612 AMAQI
21st Sep 2025321 AMAQI
21st Sep 2025332 AMAQI
21st Sep 2025343 AMAQI
21st Sep 2025354 AMAQI
21st Sep 2025345 AMAQI

27°C24/32°C

21st Sep 2025356 AMAQI
21st Sep 2025347 AMAQI
21st Sep 2025388 AMAQI
21st Sep 2025449 AMAQI
21st Sep 20254510 AMAQI
21st Sep 20254011 AMAQI
21st Sep 20254212 PMAQI
21st Sep 2025501 PMAQI
21st Sep 2025522 PMAQI
21st Sep 2025523 PMAQI
21st Sep 2025524 PMAQI
21st Sep 2025515 PMAQI
21st Sep 2025446 PMAQI
21st Sep 2025407 PMAQI
21st Sep 2025418 PMAQI
21st Sep 2025429 PMAQI
21st Sep 20253910 PMAQI
21st Sep 20253611 PMAQI
22nd Sep 20253512 AMAQI
22nd Sep 2025341 AMAQI
22nd Sep 2025342 AMAQI
22nd Sep 2025353 AMAQI
22nd Sep 2025364 AMAQI
22nd Sep 2025365 AMAQI

27°C24/31°C

22nd Sep 2025376 AMAQI
22nd Sep 2025367 AMAQI
22nd Sep 2025288 AMAQI
22nd Sep 2025289 AMAQI
22nd Sep 20252410 AMAQI
22nd Sep 20252411 AMAQI
22nd Sep 20252412 PMAQI
22nd Sep 2025251 PMAQI
22nd Sep 2025272 PMAQI
22nd Sep 2025293 PMAQI
22nd Sep 2025384 PMAQI
22nd Sep 2025285 PMAQI
22nd Sep 2025276 PMAQI
22nd Sep 2025287 PMAQI
22nd Sep 2025338 PMAQI
22nd Sep 2025359 PMAQI
22nd Sep 20252910 PMAQI
22nd Sep 20252911 PMAQI
23rd Sep 20253012 AMAQI
23rd Sep 2025351 AMAQI
23rd Sep 2025362 AMAQI
23rd Sep 2025353 AMAQI
23rd Sep 2025334 AMAQI
23rd Sep 2025335 AMAQI

--°C/°C

23rd Sep 2025326 AMAQI
6 AM
12 PM
6 PM
12 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
6 AM - 7 AM

38AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
5 PM

27AQI

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. 38), while the lowest AQI was between 5 PM to 5 PM (Avg. 27).
Night time
Avg. Highest Time
1 AM - 5 AM

37AQI

5 hours / Day
150 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 1 AM to 5 AM (Avg. 37), while the lowest AQI was between 7 PM to 7 PM (Avg. 33).

2025 Days Vs Air Quality

Dinganxian, Haikou, Hainan, China

2025

52%

138

45%

118

3%

9

Total number of days with different AQI categories in last 265 days in 2025 (100 days remaining)

Good
138 Days
Moderate
118 Days
Poor
9 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 52%

Health Risk Level:

Considerable

In 2025, 52% of 265 days were within WHO’s safe air quality limits, and 48% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.

Annual Air Quality Insights

Dinganxian, Haikou, 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
122AQI
2nd January 2025
99AQI
3rd January 2025
107AQI
4th January 2025
91AQI
5th January 2025
107AQI
6th January 2025
115AQI
7th January 2025
91AQI
8th January 2025
92AQI
9th January 2025
116AQI
10th January 2025
108AQI
11th January 2025
92AQI
12th January 2025
82AQI
13th January 2025
78AQI
14th January 2025
73AQI
15th January 2025
88AQI
16th January 2025
97AQI
17th January 2025
87AQI
18th January 2025
85AQI
19th January 2025
91AQI
20th January 2025
95AQI
21st January 2025
85AQI
22nd January 2025
90AQI
23rd January 2025
81AQI
24th January 2025
61AQI
25th January 2025
61AQI
26th January 2025
59AQI
27th January 2025
59AQI
28th January 2025
66AQI
29th January 2025
93AQI
30th January 2025
71AQI
31st January 2025
63AQI
1st February 2025
53AQI
2nd February 2025
48AQI
3rd February 2025
58AQI
4th February 2025
52AQI
5th February 2025
57AQI
6th February 2025
58AQI
7th February 2025
71AQI
8th February 2025
60AQI
9th February 2025
68AQI
10th February 2025
60AQI
11th February 2025
57AQI
12th February 2025
52AQI
13th February 2025
63AQI
14th February 2025
46AQI
15th February 2025
66AQI
16th February 2025
46AQI
17th February 2025
66AQI
18th February 2025
79AQI
19th February 2025
71AQI
20th February 2025
69AQI
21st February 2025
60AQI
22nd February 2025
46AQI
23rd February 2025
54AQI
24th February 2025
49AQI
25th February 2025
56AQI
26th February 2025
69AQI
27th February 2025
63AQI
28th February 2025
57AQI
1st March 2025
55AQI
2nd March 2025
56AQI
3rd March 2025
59AQI
4th March 2025
47AQI
5th March 2025
45AQI
6th March 2025
29AQI
7th March 2025
42AQI
8th March 2025
40AQI
9th March 2025
61AQI
10th March 2025
60AQI
11th March 2025
59AQI
12th March 2025
48AQI
13th March 2025
46AQI
14th March 2025
38AQI
15th March 2025
52AQI
16th March 2025
45AQI
17th March 2025
66AQI
18th March 2025
71AQI
19th March 2025
85AQI
20th March 2025
77AQI
21st March 2025
84AQI
22nd March 2025
76AQI
23rd March 2025
75AQI
24th March 2025
72AQI
25th March 2025
75AQI
26th March 2025
65AQI
27th March 2025
65AQI
28th March 2025
57AQI
29th March 2025
48AQI
30th March 2025
31AQI
31st March 2025
32AQI
1st April 2025
36AQI
2nd April 2025
61AQI
3rd April 2025
54AQI
4th April 2025
58AQI
5th April 2025
59AQI
6th April 2025
45AQI
7th April 2025
61AQI
8th April 2025
55AQI
9th April 2025
61AQI
10th April 2025
61AQI
11th April 2025
59AQI
12th April 2025
61AQI
13th April 2025
131AQI
14th April 2025
132AQI
15th April 2025
122AQI
16th April 2025
98AQI
17th April 2025
89AQI
18th April 2025
75AQI
19th April 2025
61AQI
20th April 2025
59AQI
21st April 2025
57AQI
22nd April 2025
63AQI
23rd April 2025
53AQI
24th April 2025
58AQI
25th April 2025
51AQI
26th April 2025
51AQI
27th April 2025
46AQI
28th April 2025
53AQI
29th April 2025
54AQI
30th April 2025
52AQI
1st May 2025
53AQI
2nd May 2025
57AQI
3rd May 2025
59AQI
4th May 2025
58AQI
5th May 2025
51AQI
6th May 2025
57AQI
7th May 2025
56AQI
8th May 2025
52AQI
9th May 2025
52AQI
10th May 2025
47AQI
11th May 2025
51AQI
12th May 2025
60AQI
13th May 2025
56AQI
14th May 2025
45AQI
15th May 2025
36AQI
16th May 2025
36AQI
17th May 2025
37AQI
18th May 2025
38AQI
19th May 2025
38AQI
20th May 2025
41AQI
21st May 2025
47AQI
22nd May 2025
38AQI
23rd May 2025
34AQI
24th May 2025
34AQI
25th May 2025
47AQI
26th May 2025
70AQI
27th May 2025
53AQI
28th May 2025
51AQI
29th May 2025
48AQI
30th May 2025
48AQI
31st May 2025
39AQI
1st June 2025
46AQI
2nd June 2025
42AQI
3rd June 2025
50AQI
4th June 2025
54AQI
5th June 2025
43AQI
6th June 2025
41AQI
7th June 2025
48AQI
8th June 2025
48AQI
9th June 2025
52AQI
10th June 2025
53AQI
11th June 2025
41AQI
12th June 2025
30AQI
13th June 2025
31AQI
14th June 2025
31AQI
15th June 2025
35AQI
16th June 2025
38AQI
17th June 2025
41AQI
18th June 2025
38AQI
19th June 2025
38AQI
20th June 2025
34AQI
21st June 2025
33AQI
22nd June 2025
38AQI
23rd June 2025
33AQI
24th June 2025
28AQI
25th June 2025
32AQI
26th June 2025
27AQI
27th June 2025
27AQI
28th June 2025
28AQI
29th June 2025
29AQI
30th June 2025
27AQI
1st July 2025
28AQI
2nd July 2025
26AQI
3rd July 2025
27AQI
4th July 2025
28AQI
5th July 2025
31AQI
6th July 2025
36AQI
7th July 2025
34AQI
8th July 2025
40AQI
9th July 2025
41AQI
10th July 2025
46AQI
11th July 2025
47AQI
12th July 2025
46AQI
13th July 2025
47AQI
14th July 2025
48AQI
15th July 2025
52AQI
16th July 2025
51AQI
17th July 2025
48AQI
18th July 2025
49AQI
19th July 2025
43AQI
20th July 2025
36AQI
21st July 2025
34AQI
22nd July 2025
34AQI
23rd July 2025
34AQI
24th July 2025
35AQI
25th July 2025
40AQI
26th July 2025
38AQI
27th July 2025
40AQI
28th July 2025
36AQI
29th July 2025
38AQI
30th July 2025
39AQI
31st July 2025
48AQI
1st August 2025
54AQI
2nd August 2025
51AQI
3rd August 2025
55AQI
4th August 2025
56AQI
5th August 2025
55AQI
6th August 2025
55AQI
7th August 2025
54AQI
8th August 2025
50AQI
9th August 2025
48AQI
10th August 2025
46AQI
11th August 2025
44AQI
12th August 2025
45AQI
13th August 2025
44AQI
14th August 2025
40AQI
15th August 2025
35AQI
16th August 2025
32AQI
17th August 2025
32AQI
18th August 2025
29AQI
19th August 2025
33AQI
20th August 2025
37AQI
21st August 2025
35AQI
22nd August 2025
35AQI
23rd August 2025
36AQI
24th August 2025
37AQI
25th August 2025
33AQI
26th August 2025
35AQI
27th August 2025
37AQI
28th August 2025
40AQI
29th August 2025
41AQI
30th August 2025
36AQI
31st August 2025
35AQI
1st September 2025
34AQI
2nd September 2025
35AQI
3rd September 2025
38AQI
4th September 2025
30AQI
5th September 2025
34AQI
6th September 2025
31AQI
7th September 2025
44AQI
8th September 2025
40AQI
9th September 2025
34AQI
10th September 2025
33AQI
11th September 2025
33AQI
12th September 2025
33AQI
13th September 2025
32AQI
14th September 2025
30AQI
15th September 2025
29AQI
16th September 2025
27AQI
17th September 2025
27AQI
18th September 2025
30AQI
19th September 2025
27AQI
20th September 2025
35AQI
21st September 2025
40AQI
22nd September 2025
33AQI
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

87AQI

59AQI

57AQI

66AQI

48AQI

38AQI

39AQI

42AQI

33AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202553AQI

25
6
5
23
12
19
3
24
3
16
15
27
3
29
2
24
7
22
138
118
9

Highest AQI recorded in

January

87AQI

Lowest AQI recorded in

September

33AQI

202453AQI

7
14
11
4
2
8
14
6
12
21
2
23
7
31
27
4
22
7
11
14
5
1
4
26
25
6
171
129
13
1

Highest AQI recorded in

December

84AQI

Lowest AQI recorded in

July

30AQI

202360AQI

2
9
1
3
9
1
1
1
2
1
5
2
8
1
5
3
7
21
2
29
52
3

Highest AQI recorded in

November

80AQI

Lowest AQI recorded in

July

21AQI

202246AQI

10
19
12
8
14
17
14
16
29
2
29
1
20
1
4
4
1
12
10
3
19
3
1
4
8
1
168
88
6

Highest AQI recorded in

October

60AQI

Lowest AQI recorded in

July

28AQI

202150AQI

24
6
1
10
17
1
15
15
1
23
7
29
2
24
6
30
1
29
2
24
6
23
8
10
18
2
2
28
1
219
134
11
1

Highest AQI recorded in

January

85AQI

Lowest AQI recorded in

August

34AQI

202047AQI

8
2
6
7
12
4
28
26
5
25
6
25
5
15
15
1
8
17
5
4
16
11
157
77
17

Highest AQI recorded in

December

84AQI

Lowest AQI recorded in

June

28AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
60AQI
Least Polluted Year Recorded
2022(Avg.)
46AQI

Dinganxian's annual 2025 AQI (53) shows an average percentage change of 3.8% (worsened AQI) compared to previous years: 2020 (47), 2021 (50), 2022 (46), 2023 (60), 2024 (53).