Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Changjiang Bawangling, 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

Changjiang Bawangling, Basuo, Hainan, China

2021
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
30th Sep 2021
57AQI
Lowest AQI recorded on
6th Sep 2021
10AQI

Same Day Analysis (21st September ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 31 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: 21st Sep - 22nd Sep 2025

Changjiang Bawangling, Basuo, Hainan, China

AQI
Day
Night
.

6 AM21st Sep 2025

6 PM

5 AM22nd Sep 2025

Day time
Avg. Highest Time
9AM21st Sep

35AQI

Avg. Lowest Time
12PM21st Sep

15AQI

Night time
Avg. Highest Time
5AM22nd Sep

37AQI

Avg. Lowest Time
7PM21st Sep

23AQI

In the last 24 hours,

Changjiang Bawangling's AQI reached its highest point of 37 at 5 AM during the Night, while the lowest point, 15, was recorded at 12 PM during the Day between 21st Sep and 22nd Sep 2025.

Day & Night AQI Trend : Aug - Sep 2025

Changjiang Bawangling, Basuo, 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 2025496 AMAQI
23rd Aug 2025477 AMAQI
23rd Aug 2025468 AMAQI
23rd Aug 2025279 AMAQI
23rd Aug 20253510 AMAQI
23rd Aug 20254211 AMAQI
23rd Aug 20254012 PMAQI
23rd Aug 2025321 PMAQI
23rd Aug 2025222 PMAQI
23rd Aug 2025273 PMAQI
23rd Aug 2025244 PMAQI
23rd Aug 2025285 PMAQI
23rd Aug 2025326 PMAQI
23rd Aug 2025447 PMAQI
23rd Aug 2025448 PMAQI
23rd Aug 2025479 PMAQI
23rd Aug 20254710 PMAQI
23rd Aug 20254311 PMAQI
24th Aug 20254112 AMAQI
24th Aug 2025441 AMAQI
24th Aug 2025452 AMAQI
24th Aug 2025463 AMAQI
24th Aug 2025444 AMAQI
24th Aug 2025435 AMAQI

27°C24/31°C

24th Aug 2025446 AMAQI
24th Aug 2025437 AMAQI
24th Aug 2025378 AMAQI
24th Aug 2025339 AMAQI
24th Aug 20252810 AMAQI
24th Aug 20253811 AMAQI
24th Aug 20253612 PMAQI
24th Aug 2025301 PMAQI
24th Aug 2025352 PMAQI
24th Aug 2025313 PMAQI
24th Aug 2025324 PMAQI
24th Aug 2025285 PMAQI
24th Aug 2025286 PMAQI
24th Aug 2025357 PMAQI
24th Aug 2025418 PMAQI
24th Aug 2025389 PMAQI
24th Aug 20253410 PMAQI
24th Aug 20253411 PMAQI
25th Aug 20253912 AMAQI
25th Aug 2025381 AMAQI
25th Aug 2025392 AMAQI
25th Aug 2025423 AMAQI
25th Aug 2025414 AMAQI
25th Aug 2025435 AMAQI

26°C24/28°C

25th Aug 2025416 AMAQI
25th Aug 2025417 AMAQI
25th Aug 2025348 AMAQI
25th Aug 2025319 AMAQI
25th Aug 20252610 AMAQI
25th Aug 20252511 AMAQI
25th Aug 20252812 PMAQI
25th Aug 2025271 PMAQI
25th Aug 2025242 PMAQI
25th Aug 2025223 PMAQI
25th Aug 2025284 PMAQI
25th Aug 2025265 PMAQI
25th Aug 2025266 PMAQI
25th Aug 2025327 PMAQI
25th Aug 2025368 PMAQI
25th Aug 2025369 PMAQI
25th Aug 20254110 PMAQI
25th Aug 20254011 PMAQI
26th Aug 20254012 AMAQI
26th Aug 2025371 AMAQI
26th Aug 2025402 AMAQI
26th Aug 2025393 AMAQI
26th Aug 2025404 AMAQI
26th Aug 2025415 AMAQI

25°C24/26°C

26th Aug 2025426 AMAQI
26th Aug 2025397 AMAQI
26th Aug 2025368 AMAQI
26th Aug 2025369 AMAQI
26th Aug 20253610 AMAQI
26th Aug 20253611 AMAQI
26th Aug 20253412 PMAQI
26th Aug 2025321 PMAQI
26th Aug 2025302 PMAQI
26th Aug 2025313 PMAQI
26th Aug 2025274 PMAQI
26th Aug 2025255 PMAQI
26th Aug 2025346 PMAQI
26th Aug 2025337 PMAQI
26th Aug 2025378 PMAQI
26th Aug 2025359 PMAQI
26th Aug 20253610 PMAQI
26th Aug 20253811 PMAQI
27th Aug 20253412 AMAQI
27th Aug 2025371 AMAQI
27th Aug 2025412 AMAQI
27th Aug 2025413 AMAQI
27th Aug 2025414 AMAQI
27th Aug 2025405 AMAQI

26°C23/30°C

27th Aug 2025416 AMAQI
27th Aug 2025397 AMAQI
27th Aug 2025348 AMAQI
27th Aug 2025349 AMAQI
27th Aug 20254810 AMAQI
27th Aug 20254211 AMAQI
27th Aug 20253912 PMAQI
27th Aug 2025311 PMAQI
27th Aug 2025272 PMAQI
27th Aug 2025203 PMAQI
27th Aug 2025244 PMAQI
27th Aug 2025225 PMAQI
27th Aug 2025256 PMAQI
27th Aug 2025327 PMAQI
27th Aug 2025358 PMAQI
27th Aug 2025349 PMAQI
27th Aug 20253410 PMAQI
27th Aug 20253211 PMAQI
28th Aug 20253012 AMAQI
28th Aug 2025371 AMAQI
28th Aug 2025382 AMAQI
28th Aug 2025383 AMAQI
28th Aug 2025414 AMAQI
28th Aug 2025385 AMAQI

26°C23/29°C

28th Aug 2025416 AMAQI
28th Aug 2025397 AMAQI
28th Aug 2025348 AMAQI
28th Aug 2025309 AMAQI
28th Aug 20253010 AMAQI
28th Aug 20252811 AMAQI
28th Aug 20252412 PMAQI
28th Aug 2025261 PMAQI
28th Aug 2025272 PMAQI
28th Aug 2025393 PMAQI
28th Aug 2025384 PMAQI
28th Aug 2025365 PMAQI
28th Aug 2025326 PMAQI
28th Aug 2025327 PMAQI
28th Aug 2025328 PMAQI
28th Aug 2025389 PMAQI
28th Aug 20254410 PMAQI
28th Aug 20253811 PMAQI
29th Aug 20253512 AMAQI
29th Aug 2025441 AMAQI
29th Aug 2025412 AMAQI
29th Aug 2025433 AMAQI
29th Aug 2025434 AMAQI
29th Aug 2025445 AMAQI

26°C23/31°C

29th Aug 2025446 AMAQI
29th Aug 2025447 AMAQI
29th Aug 2025408 AMAQI
29th Aug 2025349 AMAQI
29th Aug 20253010 AMAQI
29th Aug 20252811 AMAQI
29th Aug 20253012 PMAQI
29th Aug 2025341 PMAQI
29th Aug 2025312 PMAQI
29th Aug 2025363 PMAQI
29th Aug 2025384 PMAQI
29th Aug 2025365 PMAQI
29th Aug 2025356 PMAQI
29th Aug 2025427 PMAQI
29th Aug 2025448 PMAQI
29th Aug 2025469 PMAQI
29th Aug 20254610 PMAQI
29th Aug 20254211 PMAQI
30th Aug 20253612 AMAQI
30th Aug 2025441 AMAQI
30th Aug 2025452 AMAQI
30th Aug 2025443 AMAQI
30th Aug 2025454 AMAQI
30th Aug 2025435 AMAQI

25°C24/27°C

30th Aug 2025426 AMAQI
30th Aug 2025437 AMAQI
30th Aug 2025388 AMAQI
30th Aug 2025409 AMAQI
30th Aug 20253410 AMAQI
30th Aug 20253111 AMAQI
30th Aug 20253212 PMAQI
30th Aug 2025361 PMAQI
30th Aug 2025232 PMAQI
30th Aug 2025283 PMAQI
30th Aug 2025264 PMAQI
30th Aug 2025365 PMAQI
30th Aug 2025286 PMAQI
30th Aug 2025397 PMAQI
30th Aug 2025428 PMAQI
30th Aug 2025429 PMAQI
30th Aug 20253410 PMAQI
30th Aug 20253711 PMAQI
31st Aug 20253812 AMAQI
31st Aug 2025401 AMAQI
31st Aug 2025462 AMAQI
31st Aug 2025423 AMAQI
31st Aug 2025444 AMAQI
31st Aug 2025445 AMAQI

27°C25/30°C

31st Aug 2025426 AMAQI
31st Aug 2025447 AMAQI
31st Aug 2025408 AMAQI
31st Aug 2025349 AMAQI
31st Aug 20254610 AMAQI
31st Aug 20255011 AMAQI
31st Aug 20254612 PMAQI
31st Aug 2025381 PMAQI
31st Aug 2025352 PMAQI
31st Aug 2025363 PMAQI
31st Aug 2025314 PMAQI
31st Aug 2025325 PMAQI
31st Aug 2025306 PMAQI
31st Aug 2025307 PMAQI
31st Aug 2025358 PMAQI
31st Aug 2025379 PMAQI
31st Aug 20254410 PMAQI
31st Aug 20254511 PMAQI
1st Sep 20253312 AMAQI
1st Sep 2025391 AMAQI
1st Sep 2025442 AMAQI
1st Sep 2025423 AMAQI
1st Sep 2025424 AMAQI
1st Sep 2025445 AMAQI

26°C23/31°C

1st Sep 2025476 AMAQI
1st Sep 2025447 AMAQI
1st Sep 2025338 AMAQI
1st Sep 2025299 AMAQI
1st Sep 20252610 AMAQI
1st Sep 20253411 AMAQI
1st Sep 20253812 PMAQI
1st Sep 2025441 PMAQI
1st Sep 2025302 PMAQI
1st Sep 2025343 PMAQI
1st Sep 2025324 PMAQI
1st Sep 2025235 PMAQI
1st Sep 2025266 PMAQI
1st Sep 2025357 PMAQI
1st Sep 2025368 PMAQI
1st Sep 2025399 PMAQI
1st Sep 20254010 PMAQI
1st Sep 20254611 PMAQI
2nd Sep 20254212 AMAQI
2nd Sep 2025441 AMAQI
2nd Sep 2025422 AMAQI
2nd Sep 2025413 AMAQI
2nd Sep 2025404 AMAQI
2nd Sep 2025395 AMAQI

26°C24/30°C

2nd Sep 2025416 AMAQI
2nd Sep 2025447 AMAQI
2nd Sep 2025388 AMAQI
2nd Sep 2025359 AMAQI
2nd Sep 20253110 AMAQI
2nd Sep 20253511 AMAQI
2nd Sep 20253612 PMAQI
2nd Sep 2025361 PMAQI
2nd Sep 2025382 PMAQI
2nd Sep 2025333 PMAQI
2nd Sep 2025414 PMAQI
2nd Sep 2025375 PMAQI
2nd Sep 2025456 PMAQI
2nd Sep 2025417 PMAQI
2nd Sep 2025428 PMAQI
2nd Sep 2025399 PMAQI
2nd Sep 20253910 PMAQI
2nd Sep 20254311 PMAQI
3rd Sep 20254112 AMAQI
3rd Sep 2025401 AMAQI
3rd Sep 2025482 AMAQI
3rd Sep 2025473 AMAQI
3rd Sep 2025484 AMAQI
3rd Sep 2025435 AMAQI

27°C24/30°C

3rd Sep 2025486 AMAQI
3rd Sep 2025437 AMAQI
3rd Sep 2025318 AMAQI
3rd Sep 2025329 AMAQI
3rd Sep 20252710 AMAQI
3rd Sep 20253811 AMAQI
3rd Sep 20253212 PMAQI
3rd Sep 2025341 PMAQI
3rd Sep 2025302 PMAQI
3rd Sep 2025243 PMAQI
3rd Sep 2025304 PMAQI
3rd Sep 2025265 PMAQI
3rd Sep 2025386 PMAQI
3rd Sep 2025367 PMAQI
3rd Sep 2025368 PMAQI
3rd Sep 2025369 PMAQI
3rd Sep 20254310 PMAQI
3rd Sep 20254011 PMAQI
4th Sep 20254212 AMAQI
4th Sep 2025421 AMAQI
4th Sep 2025422 AMAQI
4th Sep 2025423 AMAQI
4th Sep 2025414 AMAQI
4th Sep 2025425 AMAQI

27°C25/29°C

4th Sep 2025416 AMAQI
4th Sep 2025397 AMAQI
4th Sep 2025408 AMAQI
4th Sep 2025449 AMAQI
4th Sep 20253710 AMAQI
4th Sep 20253911 AMAQI
4th Sep 20253012 PMAQI
4th Sep 2025331 PMAQI
4th Sep 2025302 PMAQI
4th Sep 2025263 PMAQI
4th Sep 2025264 PMAQI
4th Sep 2025215 PMAQI
4th Sep 2025276 PMAQI
4th Sep 2025217 PMAQI
4th Sep 2025188 PMAQI
4th Sep 2025229 PMAQI
4th Sep 20252210 PMAQI
4th Sep 20252211 PMAQI
5th Sep 20252512 AMAQI
5th Sep 2025381 AMAQI
5th Sep 2025402 AMAQI
5th Sep 2025373 AMAQI
5th Sep 2025414 AMAQI
5th Sep 2025425 AMAQI

27°C24/30°C

5th Sep 2025446 AMAQI
5th Sep 2025377 AMAQI
5th Sep 2025428 AMAQI
5th Sep 2025349 AMAQI
5th Sep 20253610 AMAQI
5th Sep 20253111 AMAQI
5th Sep 20253412 PMAQI
5th Sep 2025351 PMAQI
5th Sep 2025382 PMAQI
5th Sep 2025383 PMAQI
5th Sep 2025264 PMAQI
5th Sep 2025335 PMAQI
5th Sep 2025286 PMAQI
5th Sep 2025327 PMAQI
5th Sep 2025348 PMAQI
5th Sep 2025409 PMAQI
5th Sep 20253710 PMAQI
5th Sep 20254111 PMAQI
6th Sep 20253112 AMAQI
6th Sep 2025391 AMAQI
6th Sep 2025352 AMAQI
6th Sep 2025393 AMAQI
6th Sep 2025444 AMAQI
6th Sep 2025405 AMAQI

27°C24/31°C

6th Sep 2025446 AMAQI
6th Sep 2025367 AMAQI
6th Sep 2025168 AMAQI
6th Sep 2025269 AMAQI
6th Sep 20253510 AMAQI
6th Sep 20253411 AMAQI
6th Sep 20252412 PMAQI
6th Sep 2025261 PMAQI
6th Sep 2025182 PMAQI
6th Sep 2025283 PMAQI
6th Sep 2025284 PMAQI
6th Sep 2025295 PMAQI
6th Sep 2025296 PMAQI
6th Sep 2025287 PMAQI
6th Sep 2025338 PMAQI
6th Sep 2025409 PMAQI
6th Sep 20253410 PMAQI
6th Sep 20253611 PMAQI
7th Sep 20253912 AMAQI
7th Sep 2025341 AMAQI
7th Sep 2025362 AMAQI
7th Sep 2025473 AMAQI
7th Sep 2025464 AMAQI
7th Sep 2025465 AMAQI

27°C24/30°C

7th Sep 2025466 AMAQI
7th Sep 2025387 AMAQI
7th Sep 2025388 AMAQI
7th Sep 2025369 AMAQI
7th Sep 20254610 AMAQI
7th Sep 20254311 AMAQI
7th Sep 20254012 PMAQI
7th Sep 2025521 PMAQI
7th Sep 2025542 PMAQI
7th Sep 2025523 PMAQI
7th Sep 2025504 PMAQI
7th Sep 2025485 PMAQI
7th Sep 2025526 PMAQI
7th Sep 2025497 PMAQI
7th Sep 2025528 PMAQI
7th Sep 2025529 PMAQI
7th Sep 20255310 PMAQI
7th Sep 20255211 PMAQI
8th Sep 20254312 AMAQI
8th Sep 2025361 AMAQI
8th Sep 2025382 AMAQI
8th Sep 2025393 AMAQI
8th Sep 2025454 AMAQI
8th Sep 2025455 AMAQI

27°C24/31°C

8th Sep 2025466 AMAQI
8th Sep 2025387 AMAQI
8th Sep 2025428 AMAQI
8th Sep 2025449 AMAQI
8th Sep 20254410 AMAQI
8th Sep 20255311 AMAQI
8th Sep 20254512 PMAQI
8th Sep 2025391 PMAQI
8th Sep 2025412 PMAQI
8th Sep 2025373 PMAQI
8th Sep 2025314 PMAQI
8th Sep 2025335 PMAQI
8th Sep 2025366 PMAQI
8th Sep 2025407 PMAQI
8th Sep 2025448 PMAQI
8th Sep 2025499 PMAQI
8th Sep 20254610 PMAQI
8th Sep 20254411 PMAQI
9th Sep 20253312 AMAQI
9th Sep 2025421 AMAQI
9th Sep 2025382 AMAQI
9th Sep 2025443 AMAQI
9th Sep 2025514 AMAQI
9th Sep 2025485 AMAQI

27°C24/30°C

9th Sep 2025506 AMAQI
9th Sep 2025437 AMAQI
9th Sep 2025288 AMAQI
9th Sep 2025309 AMAQI
9th Sep 20253310 AMAQI
9th Sep 20252611 AMAQI
9th Sep 20252312 PMAQI
9th Sep 2025271 PMAQI
9th Sep 2025222 PMAQI
9th Sep 2025273 PMAQI
9th Sep 2025244 PMAQI
9th Sep 2025315 PMAQI
9th Sep 2025366 PMAQI
9th Sep 2025387 PMAQI
9th Sep 2025388 PMAQI
9th Sep 2025359 PMAQI
9th Sep 20253510 PMAQI
9th Sep 20254011 PMAQI
10th Sep 20254112 AMAQI
10th Sep 2025421 AMAQI
10th Sep 2025432 AMAQI
10th Sep 2025413 AMAQI
10th Sep 2025434 AMAQI
10th Sep 2025475 AMAQI

27°C24/32°C

10th Sep 2025476 AMAQI
10th Sep 2025387 AMAQI
10th Sep 2025208 AMAQI
10th Sep 2025229 AMAQI
10th Sep 20252210 AMAQI
10th Sep 20253211 AMAQI
10th Sep 20252612 PMAQI
10th Sep 2025231 PMAQI
10th Sep 2025252 PMAQI
10th Sep 2025203 PMAQI
10th Sep 2025284 PMAQI
10th Sep 2025305 PMAQI
10th Sep 2025306 PMAQI
10th Sep 2025377 PMAQI
10th Sep 2025428 PMAQI
10th Sep 2025419 PMAQI
10th Sep 20253610 PMAQI
10th Sep 20253911 PMAQI
11th Sep 20253912 AMAQI
11th Sep 2025391 AMAQI
11th Sep 2025402 AMAQI
11th Sep 2025383 AMAQI
11th Sep 2025374 AMAQI
11th Sep 2025345 AMAQI

27°C24/30°C

11th Sep 2025356 AMAQI
11th Sep 2025367 AMAQI
11th Sep 2025278 AMAQI
11th Sep 2025389 AMAQI
11th Sep 20253010 AMAQI
11th Sep 20252511 AMAQI
11th Sep 20252612 PMAQI
11th Sep 2025301 PMAQI
11th Sep 2025262 PMAQI
11th Sep 2025263 PMAQI
11th Sep 2025294 PMAQI
11th Sep 2025265 PMAQI
11th Sep 2025246 PMAQI
11th Sep 2025307 PMAQI
11th Sep 2025298 PMAQI
11th Sep 2025349 PMAQI
11th Sep 20253010 PMAQI
11th Sep 20252711 PMAQI
12th Sep 20253312 AMAQI
12th Sep 2025371 AMAQI
12th Sep 2025382 AMAQI
12th Sep 2025373 AMAQI
12th Sep 2025344 AMAQI
12th Sep 2025355 AMAQI

27°C24/31°C

12th Sep 2025356 AMAQI
12th Sep 2025357 AMAQI
12th Sep 2025238 AMAQI
12th Sep 2025289 AMAQI
12th Sep 20252310 AMAQI
12th Sep 20253011 AMAQI
12th Sep 20252512 PMAQI
12th Sep 2025261 PMAQI
12th Sep 2025252 PMAQI
12th Sep 2025313 PMAQI
12th Sep 2025304 PMAQI
12th Sep 2025315 PMAQI
12th Sep 2025326 PMAQI
12th Sep 2025357 PMAQI
12th Sep 2025338 PMAQI
12th Sep 2025349 PMAQI
12th Sep 20253510 PMAQI
12th Sep 20253511 PMAQI
13th Sep 20253712 AMAQI
13th Sep 2025381 AMAQI
13th Sep 2025352 AMAQI
13th Sep 2025343 AMAQI
13th Sep 2025354 AMAQI
13th Sep 2025335 AMAQI

27°C23/31°C

13th Sep 2025346 AMAQI
13th Sep 2025337 AMAQI
13th Sep 2025268 AMAQI
13th Sep 2025329 AMAQI
13th Sep 20252610 AMAQI
13th Sep 20252311 AMAQI
13th Sep 20252512 PMAQI
13th Sep 2025251 PMAQI
13th Sep 2025232 PMAQI
13th Sep 2025263 PMAQI
13th Sep 2025244 PMAQI
13th Sep 2025205 PMAQI
13th Sep 2025246 PMAQI
13th Sep 2025307 PMAQI
13th Sep 2025348 PMAQI
13th Sep 2025339 PMAQI
13th Sep 20253210 PMAQI
13th Sep 20253311 PMAQI
14th Sep 20253212 AMAQI
14th Sep 2025331 AMAQI
14th Sep 2025342 AMAQI
14th Sep 2025333 AMAQI
14th Sep 2025344 AMAQI
14th Sep 2025345 AMAQI

26°C23/30°C

14th Sep 2025346 AMAQI
14th Sep 2025347 AMAQI
14th Sep 2025228 AMAQI
14th Sep 2025229 AMAQI
14th Sep 20253210 AMAQI
14th Sep 20253211 AMAQI
14th Sep 20252712 PMAQI
14th Sep 2025261 PMAQI
14th Sep 2025242 PMAQI
14th Sep 2025233 PMAQI
14th Sep 2025224 PMAQI
14th Sep 2025225 PMAQI
14th Sep 2025226 PMAQI
14th Sep 2025287 PMAQI
14th Sep 2025308 PMAQI
14th Sep 2025359 PMAQI
14th Sep 20252710 PMAQI
14th Sep 20252711 PMAQI
15th Sep 20252812 AMAQI
15th Sep 2025321 AMAQI
15th Sep 2025342 AMAQI
15th Sep 2025353 AMAQI
15th Sep 2025414 AMAQI
15th Sep 2025405 AMAQI

26°C23/30°C

15th Sep 2025406 AMAQI
15th Sep 2025337 AMAQI
15th Sep 2025348 AMAQI
15th Sep 2025349 AMAQI
15th Sep 20253110 AMAQI
15th Sep 20253411 AMAQI
15th Sep 20252412 PMAQI
15th Sep 2025191 PMAQI
15th Sep 2025212 PMAQI
15th Sep 2025203 PMAQI
15th Sep 2025204 PMAQI
15th Sep 2025165 PMAQI
15th Sep 2025226 PMAQI
15th Sep 2025237 PMAQI
15th Sep 2025288 PMAQI
15th Sep 2025339 PMAQI
15th Sep 20253810 PMAQI
15th Sep 20252911 PMAQI
16th Sep 20253112 AMAQI
16th Sep 2025331 AMAQI
16th Sep 2025362 AMAQI
16th Sep 2025323 AMAQI
16th Sep 2025344 AMAQI
16th Sep 2025365 AMAQI

27°C23/30°C

16th Sep 2025346 AMAQI
16th Sep 2025327 AMAQI
16th Sep 2025398 AMAQI
16th Sep 2025369 AMAQI
16th Sep 20253610 AMAQI
16th Sep 20252411 AMAQI
16th Sep 20252812 PMAQI
16th Sep 2025321 PMAQI
16th Sep 2025232 PMAQI
16th Sep 2025213 PMAQI
16th Sep 2025214 PMAQI
16th Sep 2025205 PMAQI
16th Sep 2025326 PMAQI
16th Sep 2025267 PMAQI
16th Sep 2025328 PMAQI
16th Sep 2025309 PMAQI
16th Sep 20253410 PMAQI
16th Sep 20252611 PMAQI
17th Sep 20252812 AMAQI
17th Sep 2025321 AMAQI
17th Sep 2025332 AMAQI
17th Sep 2025323 AMAQI
17th Sep 2025344 AMAQI
17th Sep 2025335 AMAQI

26°C23/29°C

17th Sep 2025336 AMAQI
17th Sep 2025297 AMAQI
17th Sep 2025258 AMAQI
17th Sep 2025289 AMAQI
17th Sep 20252710 AMAQI
17th Sep 20252811 AMAQI
17th Sep 20252412 PMAQI
17th Sep 2025251 PMAQI
17th Sep 2025222 PMAQI
17th Sep 2025183 PMAQI
17th Sep 2025204 PMAQI
17th Sep 2025235 PMAQI
17th Sep 2025326 PMAQI
17th Sep 2025287 PMAQI
17th Sep 2025338 PMAQI
17th Sep 2025389 PMAQI
17th Sep 20253210 PMAQI
17th Sep 20253211 PMAQI
18th Sep 20253212 AMAQI
18th Sep 2025321 AMAQI
18th Sep 2025322 AMAQI
18th Sep 2025323 AMAQI
18th Sep 2025324 AMAQI
18th Sep 2025325 AMAQI

26°C24/30°C

18th Sep 2025306 AMAQI
18th Sep 2025327 AMAQI
18th Sep 2025378 AMAQI
18th Sep 2025469 AMAQI
18th Sep 20253310 AMAQI
18th Sep 20254611 AMAQI
18th Sep 20252712 PMAQI
18th Sep 2025261 PMAQI
18th Sep 2025262 PMAQI
18th Sep 2025263 PMAQI
18th Sep 2025244 PMAQI
18th Sep 2025315 PMAQI
18th Sep 2025366 PMAQI
18th Sep 2025357 PMAQI
18th Sep 2025378 PMAQI
18th Sep 2025429 PMAQI
18th Sep 20254910 PMAQI
18th Sep 20254211 PMAQI
19th Sep 20253712 AMAQI
19th Sep 2025321 AMAQI
19th Sep 2025322 AMAQI
19th Sep 2025323 AMAQI
19th Sep 2025314 AMAQI
19th Sep 2025305 AMAQI

26°C23/29°C

19th Sep 2025306 AMAQI
19th Sep 2025297 AMAQI
19th Sep 2025218 AMAQI
19th Sep 2025189 AMAQI
19th Sep 20251710 AMAQI
19th Sep 20252011 AMAQI
19th Sep 20253212 PMAQI
19th Sep 2025281 PMAQI
19th Sep 2025282 PMAQI
19th Sep 2025243 PMAQI
19th Sep 2025224 PMAQI
19th Sep 2025185 PMAQI
19th Sep 2025206 PMAQI
19th Sep 2025267 PMAQI
19th Sep 2025288 PMAQI
19th Sep 2025349 PMAQI
19th Sep 20253410 PMAQI
19th Sep 20253811 PMAQI
20th Sep 20253512 AMAQI
20th Sep 2025341 AMAQI
20th Sep 2025382 AMAQI
20th Sep 2025353 AMAQI
20th Sep 2025324 AMAQI
20th Sep 2025305 AMAQI

27°C24/31°C

20th Sep 2025306 AMAQI
20th Sep 2025297 AMAQI
20th Sep 2025228 AMAQI
20th Sep 2025259 AMAQI
20th Sep 20252510 AMAQI
20th Sep 20252211 AMAQI
20th Sep 20251812 PMAQI
20th Sep 2025271 PMAQI
20th Sep 2025262 PMAQI
20th Sep 2025293 PMAQI
20th Sep 2025324 PMAQI
20th Sep 2025425 PMAQI
20th Sep 2025266 PMAQI
20th Sep 2025297 PMAQI
20th Sep 2025358 PMAQI
20th Sep 2025459 PMAQI
20th Sep 20254810 PMAQI
20th Sep 20254411 PMAQI
21st Sep 20253412 AMAQI
21st Sep 2025291 AMAQI
21st Sep 2025362 AMAQI
21st Sep 2025383 AMAQI
21st Sep 2025384 AMAQI
21st Sep 2025335 AMAQI

27°C24/30°C

21st Sep 2025306 AMAQI
21st Sep 2025297 AMAQI
21st Sep 2025248 AMAQI
21st Sep 2025359 AMAQI
21st Sep 20253010 AMAQI
21st Sep 20252511 AMAQI
21st Sep 20251512 PMAQI
21st Sep 2025161 PMAQI
21st Sep 2025192 PMAQI
21st Sep 2025193 PMAQI
21st Sep 2025204 PMAQI
21st Sep 2025215 PMAQI
21st Sep 2025196 PMAQI
21st Sep 2025237 PMAQI
21st Sep 2025288 PMAQI
21st Sep 2025309 PMAQI
21st Sep 20252910 PMAQI
21st Sep 20252611 PMAQI
22nd Sep 20252812 AMAQI
22nd Sep 2025311 AMAQI
22nd Sep 2025342 AMAQI
22nd Sep 2025333 AMAQI
22nd Sep 2025364 AMAQI
22nd Sep 2025375 AMAQI

27°C24/31°C

22nd Sep 2025366 AMAQI
6 AM
22nd Sep 2025387 AMAQI
22nd Sep 2025448 AMAQI
22nd Sep 2025499 AMAQI
22nd Sep 20254310 AMAQI
22nd Sep 20253211 AMAQI
22nd Sep 20252212 PMAQI
12 PM
22nd Sep 2025201 PMAQI
22nd Sep 2025182 PMAQI
22nd Sep 2025183 PMAQI
6 PM
12 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
6 AM

40AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
2 PM - 5 PM

28AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 6 AM (Avg. 40), while the lowest AQI was between 2 PM to 5 PM (Avg. 28).
Night time
Avg. Highest Time
1 AM - 5 AM

39AQI

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. 39), while the lowest AQI was between 7 PM to 7 PM (Avg. 33).

2025 Days Vs Air Quality

Changjiang Bawangling, Basuo, Hainan, China

2025

46%

121

48%

128

6%

15

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

Good
121 Days
Moderate
128 Days
Poor
15 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 46%

Health Risk Level:

Significant

In 2025, 46% of 265 days were within WHO’s safe air quality limits, and 54% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.

Annual Air Quality Insights

Changjiang Bawangling, 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
104AQI
2nd January 2025
87AQI
3rd January 2025
96AQI
4th January 2025
107AQI
5th January 2025
119AQI
6th January 2025
98AQI
7th January 2025
98AQI
8th January 2025
108AQI
9th January 2025
104AQI
10th January 2025
111AQI
11th January 2025
101AQI
12th January 2025
95AQI
13th January 2025
85AQI
14th January 2025
85AQI
15th January 2025
85AQI
16th January 2025
96AQI
17th January 2025
101AQI
18th January 2025
95AQI
19th January 2025
106AQI
20th January 2025
105AQI
21st January 2025
101AQI
22nd January 2025
107AQI
23rd January 2025
92AQI
24th January 2025
75AQI
25th January 2025
73AQI
26th January 2025
60AQI
27th January 2025
69AQI
28th January 2025
75AQI
29th January 2025
83AQI
30th January 2025
67AQI
31st January 2025
70AQI
1st February 2025
54AQI
2nd February 2025
66AQI
3rd February 2025
52AQI
4th February 2025
49AQI
5th February 2025
52AQI
6th February 2025
65AQI
7th February 2025
62AQI
8th February 2025
53AQI
9th February 2025
65AQI
10th February 2025
61AQI
11th February 2025
66AQI
12th February 2025
59AQI
13th February 2025
63AQI
14th February 2025
56AQI
15th February 2025
79AQI
16th February 2025
59AQI
17th February 2025
76AQI
18th February 2025
73AQI
19th February 2025
75AQI
20th February 2025
63AQI
21st February 2025
60AQI
22nd February 2025
50AQI
23rd February 2025
42AQI
24th February 2025
37AQI
25th February 2025
40AQI
26th February 2025
49AQI
27th February 2025
60AQI
28th February 2025
54AQI
1st March 2025
59AQI
2nd March 2025
60AQI
3rd March 2025
70AQI
4th March 2025
58AQI
5th March 2025
70AQI
6th March 2025
44AQI
7th March 2025
53AQI
8th March 2025
36AQI
9th March 2025
63AQI
10th March 2025
59AQI
11th March 2025
56AQI
12th March 2025
52AQI
13th March 2025
48AQI
14th March 2025
47AQI
15th March 2025
60AQI
16th March 2025
57AQI
17th March 2025
74AQI
18th March 2025
67AQI
19th March 2025
76AQI
20th March 2025
71AQI
21st March 2025
80AQI
22nd March 2025
87AQI
23rd March 2025
91AQI
24th March 2025
94AQI
25th March 2025
97AQI
26th March 2025
80AQI
27th March 2025
100AQI
28th March 2025
83AQI
29th March 2025
75AQI
30th March 2025
52AQI
31st March 2025
41AQI
1st April 2025
51AQI
2nd April 2025
65AQI
3rd April 2025
68AQI
4th April 2025
64AQI
5th April 2025
71AQI
6th April 2025
63AQI
7th April 2025
63AQI
8th April 2025
58AQI
9th April 2025
86AQI
10th April 2025
97AQI
11th April 2025
89AQI
12th April 2025
81AQI
13th April 2025
123AQI
14th April 2025
105AQI
15th April 2025
103AQI
16th April 2025
94AQI
17th April 2025
88AQI
18th April 2025
78AQI
19th April 2025
64AQI
20th April 2025
69AQI
21st April 2025
64AQI
22nd April 2025
70AQI
23rd April 2025
59AQI
24th April 2025
64AQI
25th April 2025
68AQI
26th April 2025
67AQI
27th April 2025
68AQI
28th April 2025
61AQI
29th April 2025
51AQI
30th April 2025
59AQI
1st May 2025
60AQI
2nd May 2025
71AQI
3rd May 2025
74AQI
4th May 2025
78AQI
5th May 2025
63AQI
6th May 2025
75AQI
7th May 2025
76AQI
8th May 2025
79AQI
9th May 2025
74AQI
10th May 2025
66AQI
11th May 2025
73AQI
12th May 2025
74AQI
13th May 2025
74AQI
14th May 2025
65AQI
15th May 2025
51AQI
16th May 2025
47AQI
17th May 2025
48AQI
18th May 2025
51AQI
19th May 2025
51AQI
20th May 2025
50AQI
21st May 2025
57AQI
22nd May 2025
48AQI
23rd May 2025
50AQI
24th May 2025
50AQI
25th May 2025
50AQI
26th May 2025
59AQI
27th May 2025
54AQI
28th May 2025
47AQI
29th May 2025
45AQI
30th May 2025
47AQI
31st May 2025
47AQI
1st June 2025
50AQI
2nd June 2025
51AQI
3rd June 2025
52AQI
4th June 2025
60AQI
5th June 2025
59AQI
6th June 2025
57AQI
7th June 2025
58AQI
8th June 2025
57AQI
9th June 2025
65AQI
10th June 2025
63AQI
11th June 2025
48AQI
12th June 2025
39AQI
13th June 2025
48AQI
14th June 2025
45AQI
15th June 2025
42AQI
16th June 2025
45AQI
17th June 2025
47AQI
18th June 2025
40AQI
19th June 2025
40AQI
20th June 2025
39AQI
21st June 2025
41AQI
22nd June 2025
48AQI
23rd June 2025
40AQI
24th June 2025
40AQI
25th June 2025
33AQI
26th June 2025
36AQI
27th June 2025
34AQI
28th June 2025
32AQI
29th June 2025
33AQI
30th June 2025
29AQI
1st July 2025
35AQI
2nd July 2025
29AQI
3rd July 2025
27AQI
4th July 2025
27AQI
5th July 2025
33AQI
6th July 2025
32AQI
7th July 2025
30AQI
8th July 2025
33AQI
9th July 2025
40AQI
10th July 2025
40AQI
11th July 2025
49AQI
12th July 2025
46AQI
13th July 2025
48AQI
14th July 2025
48AQI
15th July 2025
45AQI
16th July 2025
42AQI
17th July 2025
40AQI
18th July 2025
41AQI
19th July 2025
36AQI
20th July 2025
35AQI
21st July 2025
32AQI
22nd July 2025
32AQI
23rd July 2025
29AQI
24th July 2025
28AQI
25th July 2025
33AQI
26th July 2025
32AQI
27th July 2025
31AQI
28th July 2025
28AQI
29th July 2025
28AQI
30th July 2025
33AQI
31st July 2025
42AQI
1st August 2025
53AQI
2nd August 2025
54AQI
3rd August 2025
55AQI
4th August 2025
54AQI
5th August 2025
52AQI
6th August 2025
48AQI
7th August 2025
48AQI
8th August 2025
44AQI
9th August 2025
40AQI
10th August 2025
41AQI
11th August 2025
39AQI
12th August 2025
44AQI
13th August 2025
42AQI
14th August 2025
41AQI
15th August 2025
39AQI
16th August 2025
38AQI
17th August 2025
35AQI
18th August 2025
35AQI
19th August 2025
35AQI
20th August 2025
36AQI
21st August 2025
36AQI
22nd August 2025
39AQI
23rd August 2025
41AQI
24th August 2025
37AQI
25th August 2025
34AQI
26th August 2025
36AQI
27th August 2025
35AQI
28th August 2025
35AQI
29th August 2025
39AQI
30th August 2025
38AQI
31st August 2025
40AQI
1st September 2025
37AQI
2nd September 2025
40AQI
3rd September 2025
38AQI
4th September 2025
31AQI
5th September 2025
33AQI
6th September 2025
33AQI
7th September 2025
46AQI
8th September 2025
42AQI
9th September 2025
36AQI
10th September 2025
35AQI
11th September 2025
32AQI
12th September 2025
32AQI
13th September 2025
30AQI
14th September 2025
29AQI
15th September 2025
30AQI
16th September 2025
30AQI
17th September 2025
29AQI
18th September 2025
34AQI
19th September 2025
28AQI
20th September 2025
33AQI
21st September 2025
31AQI
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

92AQI

59AQI

66AQI

74AQI

60AQI

46AQI

36AQI

41AQI

34AQI

No. of days

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

202557AQI

19
12
6
22
5
26
27
3
11
20
21
9
31
26
5
21
121
128
15

Highest AQI recorded in

January

92AQI

Lowest AQI recorded in

September

34AQI

202443AQI

16
11
1
29
1
31
31
29
20
10
1
20
10
24
7
187
46
8

Highest AQI recorded in

December

85AQI

Lowest AQI recorded in

July

31AQI

202334AQI

3
28
3
31
3

Highest AQI recorded in

November

35AQI

Lowest AQI recorded in

December

34AQI

202240AQI

12
12

Highest AQI recorded in

January

40AQI

Lowest AQI recorded in

January

40AQI

202141AQI

17
13
1
17
11
18
13
21
9
29
2
30
31
25
6
8
2
23
5
11
18
1
20
10
1
250
89
3

Highest AQI recorded in

January

56AQI

Lowest AQI recorded in

July

21AQI

202036AQI

2
3
1
5
13
6
11
28
2
28
2
5
6
19
11
19
12
132
41

Highest AQI recorded in

March

60AQI

Lowest AQI recorded in

June

24AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
57AQI
Least Polluted Year Recorded
2023(Avg.)
34AQI

Changjiang Bawangling's annual 2025 AQI (57) shows an average percentage change of 48.3% (worsened AQI) compared to previous years: 2020 (36), 2021 (41), 2022 (40), 2023 (34), 2024 (43).