Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Changjiang Pawn Bay, 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+

August Air Quality Analysis

Changjiang Pawn Bay, Basuo, Hainan, China

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
6th Aug 2021
58AQI
Lowest AQI recorded on
16th Aug 2021
18AQI

Same Day Analysis (19th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 32 of Good air quality, showing improvement over 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 19th Aug - 20th Aug 2025

Changjiang Pawn Bay, Basuo, Hainan, China

AQI
Day
Night
.

6 AM19th Aug 2025

7 PM

5 AM20th Aug 2025

Day time
Avg. Highest Time
7AM19th Aug

37AQI

Avg. Lowest Time
2PM19th Aug

17AQI

Night time
Avg. Highest Time
1AM20th Aug

39AQI

Avg. Lowest Time
12AM20th Aug

30AQI

In the last 24 hours,

Changjiang Pawn Bay's AQI reached its highest point of 39 at 1 AM during the Night, while the lowest point, 17, was recorded at 2 PM during the Day between 19th Aug and 20th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Changjiang Pawn Bay, Basuo, Hainan, China

JulAug
21st - 22nd22nd - 23rd23rd - 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
Day
Night
21st Jul 2025386 AMAQI
21st Jul 2025387 AMAQI
21st Jul 2025268 AMAQI
21st Jul 2025289 AMAQI
21st Jul 20252310 AMAQI
21st Jul 20252211 AMAQI
21st Jul 20252312 PMAQI
21st Jul 2025231 PMAQI
21st Jul 2025202 PMAQI
21st Jul 2025183 PMAQI
21st Jul 2025204 PMAQI
21st Jul 2025185 PMAQI
21st Jul 2025186 PMAQI
21st Jul 2025267 PMAQI
21st Jul 2025338 PMAQI
21st Jul 2025349 PMAQI
21st Jul 20253510 PMAQI
21st Jul 20253411 PMAQI
22nd Jul 20253212 AMAQI
22nd Jul 2025381 AMAQI
22nd Jul 2025412 AMAQI
22nd Jul 2025403 AMAQI
22nd Jul 2025404 AMAQI
22nd Jul 2025385 AMAQI

26°C26/26°C

22nd Jul 2025376 AMAQI
22nd Jul 2025377 AMAQI
22nd Jul 2025248 AMAQI
22nd Jul 2025209 AMAQI
22nd Jul 20252010 AMAQI
22nd Jul 20251911 AMAQI
22nd Jul 20252012 PMAQI
22nd Jul 2025201 PMAQI
22nd Jul 2025202 PMAQI
22nd Jul 2025183 PMAQI
22nd Jul 2025194 PMAQI
22nd Jul 2025185 PMAQI
22nd Jul 2025186 PMAQI
22nd Jul 2025247 PMAQI
22nd Jul 2025308 PMAQI
22nd Jul 2025309 PMAQI
22nd Jul 20252810 PMAQI
22nd Jul 20252911 PMAQI
23rd Jul 20252912 AMAQI
23rd Jul 2025361 AMAQI
23rd Jul 2025402 AMAQI
23rd Jul 2025383 AMAQI
23rd Jul 2025344 AMAQI
23rd Jul 2025345 AMAQI

28°C27/29°C

23rd Jul 2025346 AMAQI
23rd Jul 2025347 AMAQI
23rd Jul 2025228 AMAQI
23rd Jul 2025209 AMAQI
23rd Jul 20252210 AMAQI
23rd Jul 20252211 AMAQI
23rd Jul 20252112 PMAQI
23rd Jul 2025211 PMAQI
23rd Jul 2025202 PMAQI
23rd Jul 2025193 PMAQI
23rd Jul 2025174 PMAQI
23rd Jul 2025195 PMAQI
23rd Jul 2025186 PMAQI
23rd Jul 2025257 PMAQI
23rd Jul 2025318 PMAQI
23rd Jul 2025329 PMAQI
23rd Jul 20253110 PMAQI
23rd Jul 20252811 PMAQI
24th Jul 20252912 AMAQI
24th Jul 2025301 AMAQI
24th Jul 2025302 AMAQI
24th Jul 2025303 AMAQI
24th Jul 2025374 AMAQI
24th Jul 2025405 AMAQI

28°C27/29°C

24th Jul 2025406 AMAQI
24th Jul 2025387 AMAQI
24th Jul 2025488 AMAQI
24th Jul 2025399 AMAQI
24th Jul 20252210 AMAQI
24th Jul 20252011 AMAQI
24th Jul 20251912 PMAQI
24th Jul 2025191 PMAQI
24th Jul 2025202 PMAQI
24th Jul 2025303 PMAQI
24th Jul 2025194 PMAQI
24th Jul 2025195 PMAQI
24th Jul 2025186 PMAQI
24th Jul 2025267 PMAQI
24th Jul 2025288 PMAQI
24th Jul 2025319 PMAQI
24th Jul 20253210 PMAQI
24th Jul 20253611 PMAQI
25th Jul 20253412 AMAQI
25th Jul 2025301 AMAQI
25th Jul 2025332 AMAQI
25th Jul 2025333 AMAQI
25th Jul 2025324 AMAQI
25th Jul 2025325 AMAQI

28°C26/30°C

25th Jul 2025326 AMAQI
25th Jul 2025327 AMAQI
25th Jul 2025268 AMAQI
25th Jul 2025209 AMAQI
25th Jul 20252310 AMAQI
25th Jul 20252411 AMAQI
25th Jul 20252312 PMAQI
25th Jul 2025191 PMAQI
25th Jul 2025222 PMAQI
25th Jul 2025203 PMAQI
25th Jul 2025204 PMAQI
25th Jul 2025325 PMAQI
25th Jul 2025366 PMAQI
25th Jul 2025407 PMAQI
25th Jul 2025388 PMAQI
25th Jul 2025389 PMAQI
25th Jul 20254010 PMAQI
25th Jul 20253911 PMAQI
26th Jul 20254212 AMAQI
26th Jul 2025381 AMAQI
26th Jul 2025382 AMAQI
26th Jul 2025413 AMAQI
26th Jul 2025404 AMAQI
26th Jul 2025415 AMAQI

27°C26/29°C

26th Jul 2025406 AMAQI
26th Jul 2025387 AMAQI
26th Jul 2025228 AMAQI
26th Jul 2025229 AMAQI
26th Jul 20252210 AMAQI
26th Jul 20252111 AMAQI
26th Jul 20252412 PMAQI
26th Jul 2025231 PMAQI
26th Jul 2025232 PMAQI
26th Jul 2025243 PMAQI
26th Jul 2025244 PMAQI
26th Jul 2025245 PMAQI
26th Jul 2025236 PMAQI
26th Jul 2025287 PMAQI
26th Jul 2025308 PMAQI
26th Jul 2025329 PMAQI
26th Jul 20253210 PMAQI
26th Jul 20253211 PMAQI
27th Jul 20253012 AMAQI
27th Jul 2025361 AMAQI
27th Jul 2025402 AMAQI
27th Jul 2025393 AMAQI
27th Jul 2025364 AMAQI
27th Jul 2025365 AMAQI

28°C26/30°C

27th Jul 2025356 AMAQI
27th Jul 2025367 AMAQI
27th Jul 2025328 AMAQI
27th Jul 2025289 AMAQI
27th Jul 20252910 AMAQI
27th Jul 20252711 AMAQI
27th Jul 20252412 PMAQI
27th Jul 2025231 PMAQI
27th Jul 2025242 PMAQI
27th Jul 2025243 PMAQI
27th Jul 2025244 PMAQI
27th Jul 2025265 PMAQI
27th Jul 2025266 PMAQI
27th Jul 2025287 PMAQI
27th Jul 2025288 PMAQI
27th Jul 2025309 PMAQI
27th Jul 20252910 PMAQI
27th Jul 20253011 PMAQI
28th Jul 20252912 AMAQI
28th Jul 2025331 AMAQI
28th Jul 2025352 AMAQI
28th Jul 2025353 AMAQI
28th Jul 2025344 AMAQI
28th Jul 2025335 AMAQI

28°C27/30°C

28th Jul 2025336 AMAQI
28th Jul 2025337 AMAQI
28th Jul 2025228 AMAQI
28th Jul 2025229 AMAQI
28th Jul 20251910 AMAQI
28th Jul 20252311 AMAQI
28th Jul 20252312 PMAQI
28th Jul 2025221 PMAQI
28th Jul 2025182 PMAQI
28th Jul 2025233 PMAQI
28th Jul 2025214 PMAQI
28th Jul 2025265 PMAQI
28th Jul 2025266 PMAQI
28th Jul 2025257 PMAQI
28th Jul 2025278 PMAQI
28th Jul 2025329 PMAQI
28th Jul 20253010 PMAQI
28th Jul 20253011 PMAQI
29th Jul 20253012 AMAQI
29th Jul 2025341 AMAQI
29th Jul 2025362 AMAQI
29th Jul 2025343 AMAQI
29th Jul 2025334 AMAQI
29th Jul 2025325 AMAQI

28°C27/29°C

29th Jul 2025326 AMAQI
29th Jul 2025317 AMAQI
29th Jul 2025248 AMAQI
29th Jul 2025239 AMAQI
29th Jul 20252010 AMAQI
29th Jul 20252611 AMAQI
29th Jul 20252612 PMAQI
29th Jul 2025201 PMAQI
29th Jul 2025202 PMAQI
29th Jul 2025183 PMAQI
29th Jul 2025194 PMAQI
29th Jul 2025205 PMAQI
29th Jul 2025216 PMAQI
29th Jul 2025267 PMAQI
29th Jul 2025298 PMAQI
29th Jul 2025319 PMAQI
29th Jul 20253110 PMAQI
29th Jul 20252911 PMAQI
30th Jul 20252812 AMAQI
30th Jul 2025281 AMAQI
30th Jul 2025272 AMAQI
30th Jul 2025303 AMAQI
30th Jul 2025304 AMAQI
30th Jul 2025365 AMAQI

29°C27/30°C

30th Jul 2025386 AMAQI
30th Jul 2025387 AMAQI
30th Jul 2025468 AMAQI
30th Jul 2025469 AMAQI
30th Jul 20254110 AMAQI
30th Jul 20253711 AMAQI
30th Jul 20253312 PMAQI
30th Jul 2025381 PMAQI
30th Jul 2025362 PMAQI
30th Jul 2025383 PMAQI
30th Jul 2025364 PMAQI
30th Jul 2025335 PMAQI
30th Jul 2025386 PMAQI
30th Jul 2025347 PMAQI
30th Jul 2025268 PMAQI
30th Jul 2025279 PMAQI
30th Jul 20252610 PMAQI
30th Jul 20252411 PMAQI
31st Jul 20254212 AMAQI
31st Jul 2025381 AMAQI
31st Jul 2025412 AMAQI
31st Jul 2025423 AMAQI
31st Jul 2025434 AMAQI
31st Jul 2025435 AMAQI

29°C28/29°C

31st Jul 2025436 AMAQI
31st Jul 2025437 AMAQI
31st Jul 2025438 AMAQI
31st Jul 2025439 AMAQI
31st Jul 20255010 AMAQI
31st Jul 20253311 AMAQI
31st Jul 20252812 PMAQI
31st Jul 2025291 PMAQI
31st Jul 2025252 PMAQI
31st Jul 2025323 PMAQI
31st Jul 2025274 PMAQI
31st Jul 2025275 PMAQI
31st Jul 2025496 PMAQI
31st Jul 2025527 PMAQI
31st Jul 2025558 PMAQI
31st Jul 2025569 PMAQI
31st Jul 20255710 PMAQI
31st Jul 20256011 PMAQI
1st Aug 20256112 AMAQI
1st Aug 2025561 AMAQI
1st Aug 2025562 AMAQI
1st Aug 2025543 AMAQI
1st Aug 2025554 AMAQI
1st Aug 2025565 AMAQI

29°C28/30°C

1st Aug 2025566 AMAQI
1st Aug 2025567 AMAQI
1st Aug 2025548 AMAQI
1st Aug 2025549 AMAQI
1st Aug 20255010 AMAQI
1st Aug 20255211 AMAQI
1st Aug 20255512 PMAQI
1st Aug 2025521 PMAQI
1st Aug 2025522 PMAQI
1st Aug 2025483 PMAQI
1st Aug 2025544 PMAQI
1st Aug 2025525 PMAQI
1st Aug 2025526 PMAQI
1st Aug 2025527 PMAQI
1st Aug 2025558 PMAQI
1st Aug 2025569 PMAQI
1st Aug 20255810 PMAQI
1st Aug 20255811 PMAQI
2nd Aug 20255712 AMAQI
2nd Aug 2025551 AMAQI
2nd Aug 2025552 AMAQI
2nd Aug 2025563 AMAQI
2nd Aug 2025554 AMAQI
2nd Aug 2025565 AMAQI

29°C28/30°C

2nd Aug 2025566 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025498 AMAQI
2nd Aug 2025479 AMAQI
2nd Aug 20254910 AMAQI
2nd Aug 20254911 AMAQI
2nd Aug 20254912 PMAQI
2nd Aug 2025521 PMAQI
2nd Aug 2025522 PMAQI
2nd Aug 2025553 PMAQI
2nd Aug 2025554 PMAQI
2nd Aug 2025625 PMAQI
2nd Aug 2025656 PMAQI
2nd Aug 2025597 PMAQI
2nd Aug 2025588 PMAQI
2nd Aug 2025579 PMAQI
2nd Aug 20255910 PMAQI
2nd Aug 20256011 PMAQI
3rd Aug 20255912 AMAQI
3rd Aug 2025581 AMAQI
3rd Aug 2025572 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025564 AMAQI
3rd Aug 2025565 AMAQI

29°C28/31°C

3rd Aug 2025566 AMAQI
3rd Aug 2025567 AMAQI
3rd Aug 2025528 AMAQI
3rd Aug 2025619 AMAQI
3rd Aug 20256210 AMAQI
3rd Aug 20256011 AMAQI
3rd Aug 20256112 PMAQI
3rd Aug 2025591 PMAQI
3rd Aug 2025532 PMAQI
3rd Aug 2025523 PMAQI
3rd Aug 2025454 PMAQI
3rd Aug 2025525 PMAQI
3rd Aug 2025466 PMAQI
3rd Aug 2025577 PMAQI
3rd Aug 2025588 PMAQI
3rd Aug 2025609 PMAQI
3rd Aug 20256010 PMAQI
3rd Aug 20255911 PMAQI
4th Aug 20255612 AMAQI
4th Aug 2025571 AMAQI
4th Aug 2025562 AMAQI
4th Aug 2025573 AMAQI
4th Aug 2025574 AMAQI
4th Aug 2025575 AMAQI

30°C29/31°C

4th Aug 2025576 AMAQI
4th Aug 2025577 AMAQI
4th Aug 2025558 AMAQI
4th Aug 2025469 AMAQI
4th Aug 20255910 AMAQI
4th Aug 20255611 AMAQI
4th Aug 20255112 PMAQI
4th Aug 2025471 PMAQI
4th Aug 2025472 PMAQI
4th Aug 2025533 PMAQI
4th Aug 2025544 PMAQI
4th Aug 2025465 PMAQI
4th Aug 2025456 PMAQI
4th Aug 2025537 PMAQI
4th Aug 2025548 PMAQI
4th Aug 2025569 PMAQI
4th Aug 20255710 PMAQI
4th Aug 20255611 PMAQI
5th Aug 20255612 AMAQI
5th Aug 2025571 AMAQI
5th Aug 2025582 AMAQI
5th Aug 2025563 AMAQI
5th Aug 2025564 AMAQI
5th Aug 2025565 AMAQI

30°C29/31°C

5th Aug 2025576 AMAQI
5th Aug 2025577 AMAQI
5th Aug 2025528 AMAQI
5th Aug 2025439 AMAQI
5th Aug 20255210 AMAQI
5th Aug 20254911 AMAQI
5th Aug 20255212 PMAQI
5th Aug 2025541 PMAQI
5th Aug 2025422 PMAQI
5th Aug 2025503 PMAQI
5th Aug 2025474 PMAQI
5th Aug 2025445 PMAQI
5th Aug 2025446 PMAQI
5th Aug 2025477 PMAQI
5th Aug 2025538 PMAQI
5th Aug 2025539 PMAQI
5th Aug 20255410 PMAQI
5th Aug 20255411 PMAQI
6th Aug 20255512 AMAQI
6th Aug 2025571 AMAQI
6th Aug 2025562 AMAQI
6th Aug 2025563 AMAQI
6th Aug 2025574 AMAQI
6th Aug 2025565 AMAQI

30°C28/31°C

6th Aug 2025566 AMAQI
6th Aug 2025557 AMAQI
6th Aug 2025388 AMAQI
6th Aug 2025449 AMAQI
6th Aug 20254710 AMAQI
6th Aug 20255111 AMAQI
6th Aug 20253912 PMAQI
6th Aug 2025501 PMAQI
6th Aug 2025362 PMAQI
6th Aug 2025443 PMAQI
6th Aug 2025404 PMAQI
6th Aug 2025415 PMAQI
6th Aug 2025386 PMAQI
6th Aug 2025507 PMAQI
6th Aug 2025518 PMAQI
6th Aug 2025539 PMAQI
6th Aug 20255410 PMAQI
6th Aug 20255311 PMAQI
7th Aug 20255412 AMAQI
7th Aug 2025561 AMAQI
7th Aug 2025552 AMAQI
7th Aug 2025553 AMAQI
7th Aug 2025554 AMAQI
7th Aug 2025545 AMAQI

30°C28/32°C

7th Aug 2025556 AMAQI
7th Aug 2025567 AMAQI
7th Aug 2025398 AMAQI
7th Aug 2025449 AMAQI
7th Aug 20254210 AMAQI
7th Aug 20255011 AMAQI
7th Aug 20255112 PMAQI
7th Aug 2025381 PMAQI
7th Aug 2025442 PMAQI
7th Aug 2025483 PMAQI
7th Aug 2025484 PMAQI
7th Aug 2025405 PMAQI
7th Aug 2025466 PMAQI
7th Aug 2025497 PMAQI
7th Aug 2025528 PMAQI
7th Aug 2025529 PMAQI
7th Aug 20255210 PMAQI
7th Aug 20255211 PMAQI
8th Aug 20255312 AMAQI
8th Aug 2025531 AMAQI
8th Aug 2025542 AMAQI
8th Aug 2025543 AMAQI
8th Aug 2025534 AMAQI
8th Aug 2025535 AMAQI

29°C27/32°C

8th Aug 2025536 AMAQI
8th Aug 2025537 AMAQI
8th Aug 2025498 AMAQI
8th Aug 2025459 AMAQI
8th Aug 20255010 AMAQI
8th Aug 20255111 AMAQI
8th Aug 20254412 PMAQI
8th Aug 2025431 PMAQI
8th Aug 2025502 PMAQI
8th Aug 2025393 PMAQI
8th Aug 2025404 PMAQI
8th Aug 2025375 PMAQI
8th Aug 2025406 PMAQI
8th Aug 2025427 PMAQI
8th Aug 2025508 PMAQI
8th Aug 2025529 PMAQI
8th Aug 20255310 PMAQI
8th Aug 20255211 PMAQI
9th Aug 20255212 AMAQI
9th Aug 2025521 AMAQI
9th Aug 2025542 AMAQI
9th Aug 2025533 AMAQI
9th Aug 2025544 AMAQI
9th Aug 2025535 AMAQI

29°C27/32°C

9th Aug 2025546 AMAQI
9th Aug 2025547 AMAQI
9th Aug 2025458 AMAQI
9th Aug 2025469 AMAQI
9th Aug 20254710 AMAQI
9th Aug 20254511 AMAQI
9th Aug 20254612 PMAQI
9th Aug 2025391 PMAQI
9th Aug 2025392 PMAQI
9th Aug 2025343 PMAQI
9th Aug 2025344 PMAQI
9th Aug 2025385 PMAQI
9th Aug 2025376 PMAQI
9th Aug 2025477 PMAQI
9th Aug 2025518 PMAQI
9th Aug 2025529 PMAQI
9th Aug 20255210 PMAQI
9th Aug 20255111 PMAQI
10th Aug 20255312 AMAQI
10th Aug 2025521 AMAQI
10th Aug 2025532 AMAQI
10th Aug 2025533 AMAQI
10th Aug 2025524 AMAQI
10th Aug 2025525 AMAQI

29°C27/32°C

10th Aug 2025516 AMAQI
10th Aug 2025517 AMAQI
10th Aug 2025458 AMAQI
10th Aug 2025369 AMAQI
10th Aug 20253510 AMAQI
10th Aug 20254411 AMAQI
10th Aug 20254112 PMAQI
10th Aug 2025381 PMAQI
10th Aug 2025402 PMAQI
10th Aug 2025413 PMAQI
10th Aug 2025404 PMAQI
10th Aug 2025395 PMAQI
10th Aug 2025416 PMAQI
10th Aug 2025517 PMAQI
10th Aug 2025558 PMAQI
10th Aug 2025559 PMAQI
10th Aug 20255410 PMAQI
10th Aug 20255111 PMAQI
11th Aug 20255212 AMAQI
11th Aug 2025501 AMAQI
11th Aug 2025532 AMAQI
11th Aug 2025533 AMAQI
11th Aug 2025524 AMAQI
11th Aug 2025535 AMAQI

29°C27/32°C

11th Aug 2025546 AMAQI
11th Aug 2025527 AMAQI
11th Aug 2025388 AMAQI
11th Aug 2025349 AMAQI
11th Aug 20253010 AMAQI
11th Aug 20252911 AMAQI
11th Aug 20252812 PMAQI
11th Aug 2025261 PMAQI
11th Aug 2025342 PMAQI
11th Aug 2025423 PMAQI
11th Aug 2025444 PMAQI
11th Aug 2025405 PMAQI
11th Aug 2025446 PMAQI
11th Aug 2025507 PMAQI
11th Aug 2025488 PMAQI
11th Aug 2025469 PMAQI
11th Aug 20255110 PMAQI
11th Aug 20254811 PMAQI
12th Aug 20255012 AMAQI
12th Aug 2025501 AMAQI
12th Aug 2025512 AMAQI
12th Aug 2025513 AMAQI
12th Aug 2025524 AMAQI
12th Aug 2025535 AMAQI

29°C27/32°C

12th Aug 2025516 AMAQI
12th Aug 2025517 AMAQI
12th Aug 2025428 AMAQI
12th Aug 2025559 AMAQI
12th Aug 20255010 AMAQI
12th Aug 20255311 AMAQI
12th Aug 20254412 PMAQI
12th Aug 2025381 PMAQI
12th Aug 2025422 PMAQI
12th Aug 2025443 PMAQI
12th Aug 2025464 PMAQI
12th Aug 2025425 PMAQI
12th Aug 2025446 PMAQI
12th Aug 2025467 PMAQI
12th Aug 2025478 PMAQI
12th Aug 2025499 PMAQI
12th Aug 20255210 PMAQI
12th Aug 20254811 PMAQI
13th Aug 20254812 AMAQI
13th Aug 2025501 AMAQI
13th Aug 2025512 AMAQI
13th Aug 2025493 AMAQI
13th Aug 2025504 AMAQI
13th Aug 2025485 AMAQI

29°C27/32°C

13th Aug 2025486 AMAQI
13th Aug 2025497 AMAQI
13th Aug 2025498 AMAQI
13th Aug 2025469 AMAQI
13th Aug 20254510 AMAQI
13th Aug 20254211 AMAQI
13th Aug 20253612 PMAQI
13th Aug 2025461 PMAQI
13th Aug 2025352 PMAQI
13th Aug 2025423 PMAQI
13th Aug 2025394 PMAQI
13th Aug 2025315 PMAQI
13th Aug 2025246 PMAQI
13th Aug 2025337 PMAQI
13th Aug 2025388 PMAQI
13th Aug 2025439 PMAQI
13th Aug 20253910 PMAQI
13th Aug 20254211 PMAQI
14th Aug 20254312 AMAQI
14th Aug 2025401 AMAQI
14th Aug 2025372 AMAQI
14th Aug 2025443 AMAQI
14th Aug 2025454 AMAQI
14th Aug 2025455 AMAQI

29°C27/31°C

14th Aug 2025466 AMAQI
14th Aug 2025457 AMAQI
14th Aug 2025348 AMAQI
14th Aug 2025329 AMAQI
14th Aug 20253610 AMAQI
14th Aug 20252211 AMAQI
14th Aug 20252312 PMAQI
14th Aug 2025261 PMAQI
14th Aug 2025262 PMAQI
14th Aug 2025313 PMAQI
14th Aug 2025344 PMAQI
14th Aug 2025315 PMAQI
14th Aug 2025346 PMAQI
14th Aug 2025457 PMAQI
14th Aug 2025418 PMAQI
14th Aug 2025469 PMAQI
14th Aug 20254810 PMAQI
14th Aug 20254611 PMAQI
15th Aug 20253812 AMAQI
15th Aug 2025481 AMAQI
15th Aug 2025442 AMAQI
15th Aug 2025443 AMAQI
15th Aug 2025404 AMAQI
15th Aug 2025415 AMAQI

29°C27/31°C

15th Aug 2025426 AMAQI
15th Aug 2025407 AMAQI
15th Aug 2025378 AMAQI
15th Aug 2025259 AMAQI
15th Aug 20252610 AMAQI
15th Aug 20252611 AMAQI
15th Aug 20252412 PMAQI
15th Aug 2025281 PMAQI
15th Aug 2025292 PMAQI
15th Aug 2025223 PMAQI
15th Aug 2025284 PMAQI
15th Aug 2025295 PMAQI
15th Aug 2025396 PMAQI
15th Aug 2025377 PMAQI
15th Aug 2025348 PMAQI
15th Aug 2025399 PMAQI
15th Aug 20254110 PMAQI
15th Aug 20254011 PMAQI
16th Aug 20254012 AMAQI
16th Aug 2025511 AMAQI
16th Aug 2025462 AMAQI
16th Aug 2025483 AMAQI
16th Aug 2025494 AMAQI
16th Aug 2025405 AMAQI

28°C27/30°C

16th Aug 2025436 AMAQI
16th Aug 2025417 AMAQI
16th Aug 2025548 AMAQI
16th Aug 2025309 AMAQI
16th Aug 20253610 AMAQI
16th Aug 20253811 AMAQI
16th Aug 20253612 PMAQI
16th Aug 2025311 PMAQI
16th Aug 2025182 PMAQI
16th Aug 2025153 PMAQI
16th Aug 2025194 PMAQI
16th Aug 2025245 PMAQI
16th Aug 2025266 PMAQI
16th Aug 2025257 PMAQI
16th Aug 2025348 PMAQI
16th Aug 2025369 PMAQI
16th Aug 20253610 PMAQI
16th Aug 20254211 PMAQI
17th Aug 20254012 AMAQI
17th Aug 2025381 AMAQI
17th Aug 2025372 AMAQI
17th Aug 2025333 AMAQI
17th Aug 2025374 AMAQI
17th Aug 2025425 AMAQI

28°C26/31°C

17th Aug 2025416 AMAQI
17th Aug 2025377 AMAQI
17th Aug 2025278 AMAQI
17th Aug 2025289 AMAQI
17th Aug 20252310 AMAQI
17th Aug 20251711 AMAQI
17th Aug 20252112 PMAQI
17th Aug 2025321 PMAQI
17th Aug 2025302 PMAQI
17th Aug 2025273 PMAQI
17th Aug 2025274 PMAQI
17th Aug 2025245 PMAQI
17th Aug 2025266 PMAQI
17th Aug 2025337 PMAQI
17th Aug 2025348 PMAQI
17th Aug 2025369 PMAQI
17th Aug 20253410 PMAQI
17th Aug 20253911 PMAQI
18th Aug 20253412 AMAQI
18th Aug 2025401 AMAQI
18th Aug 2025412 AMAQI
18th Aug 2025423 AMAQI
18th Aug 2025394 AMAQI
18th Aug 2025395 AMAQI

27°C26/29°C

18th Aug 2025346 AMAQI
18th Aug 2025347 AMAQI
18th Aug 2025248 AMAQI
18th Aug 2025249 AMAQI
18th Aug 20253010 AMAQI
18th Aug 20252711 AMAQI
18th Aug 20252512 PMAQI
18th Aug 2025221 PMAQI
18th Aug 2025262 PMAQI
18th Aug 2025263 PMAQI
18th Aug 2025204 PMAQI
18th Aug 2025245 PMAQI
18th Aug 2025216 PMAQI
18th Aug 2025237 PMAQI
18th Aug 2025338 PMAQI
18th Aug 2025359 PMAQI
18th Aug 20253110 PMAQI
18th Aug 20253211 PMAQI
19th Aug 20253712 AMAQI
19th Aug 2025411 AMAQI
19th Aug 2025372 AMAQI
19th Aug 2025403 AMAQI
19th Aug 2025384 AMAQI
19th Aug 2025365 AMAQI

27°C26/29°C

19th Aug 2025356 AMAQI
19th Aug 2025377 AMAQI
19th Aug 2025198 AMAQI
19th Aug 2025299 AMAQI
19th Aug 20252210 AMAQI
19th Aug 20252011 AMAQI
19th Aug 20252312 PMAQI
19th Aug 2025201 PMAQI
19th Aug 2025172 PMAQI
19th Aug 2025183 PMAQI
19th Aug 2025234 PMAQI
19th Aug 2025185 PMAQI
19th Aug 2025296 PMAQI
19th Aug 2025267 PMAQI
19th Aug 2025378 PMAQI
19th Aug 2025309 PMAQI
19th Aug 20253410 PMAQI
19th Aug 20253011 PMAQI
20th Aug 20253012 AMAQI
20th Aug 2025391 AMAQI
20th Aug 2025392 AMAQI
20th Aug 2025373 AMAQI
20th Aug 2025374 AMAQI
20th Aug 2025355 AMAQI

28°C26/31°C

20th Aug 2025366 AMAQI
6 AM
20th Aug 2025397 AMAQI
20th Aug 2025288 AMAQI
20th Aug 2025359 AMAQI
20th Aug 20254210 AMAQI
20th Aug 20253311 AMAQI
20th Aug 20252112 PMAQI
12 PM
20th Aug 2025221 PMAQI
20th Aug 2025202 PMAQI
20th Aug 2025213 PMAQI
20th Aug 2025234 PMAQI
20th Aug 2025255 PMAQI
7 PM
12 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
6 AM - 7 AM

45AQI

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

33AQI

6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 7 AM (Avg. 45), while the lowest AQI was between 12 PM to 5 PM (Avg. 33).
Night time
Avg. Highest Time
12 AM - 5 AM

45AQI

6 hours / Day
180 hours / Month
Avg. Lowest Time
8 PM - 11 PM

43AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 5 AM (Avg. 45), while the lowest AQI was between 8 PM to 11 PM (Avg. 43).

2025 Days Vs Air Quality

Changjiang Pawn Bay, Basuo, Hainan, China

2025

42%

98

52%

121

5%

12

Total number of days with different AQI categories in last 232 days in 2025 (133 days remaining)

Good
98 Days
Moderate
121 Days
Poor
12 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 42%

Health Risk Level:

Significant

In 2025, 42% of 232 days were within WHO’s safe air quality limits, and 58% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.

Annual Air Quality Insights

Changjiang Pawn Bay, 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.

1st January 2025
128AQI
2nd January 2025
96AQI
3rd January 2025
112AQI
4th January 2025
91AQI
5th January 2025
114AQI
6th January 2025
117AQI
7th January 2025
90AQI
8th January 2025
91AQI
9th January 2025
104AQI
10th January 2025
93AQI
11th January 2025
90AQI
12th January 2025
92AQI
13th January 2025
85AQI
14th January 2025
80AQI
15th January 2025
92AQI
16th January 2025
96AQI
17th January 2025
103AQI
18th January 2025
90AQI
19th January 2025
105AQI
20th January 2025
112AQI
21st January 2025
100AQI
22nd January 2025
123AQI
23rd January 2025
101AQI
24th January 2025
78AQI
25th January 2025
77AQI
26th January 2025
58AQI
27th January 2025
67AQI
28th January 2025
71AQI
29th January 2025
79AQI
30th January 2025
69AQI
31st January 2025
71AQI
1st February 2025
55AQI
2nd February 2025
63AQI
3rd February 2025
62AQI
4th February 2025
54AQI
5th February 2025
52AQI
6th February 2025
63AQI
7th February 2025
62AQI
8th February 2025
60AQI
9th February 2025
69AQI
10th February 2025
62AQI
11th February 2025
65AQI
12th February 2025
61AQI
13th February 2025
66AQI
14th February 2025
61AQI
15th February 2025
82AQI
16th February 2025
58AQI
17th February 2025
80AQI
18th February 2025
66AQI
19th February 2025
91AQI
20th February 2025
73AQI
21st February 2025
67AQI
22nd February 2025
54AQI
23rd February 2025
45AQI
24th February 2025
42AQI
25th February 2025
43AQI
26th February 2025
54AQI
27th February 2025
64AQI
28th February 2025
56AQI
1st March 2025
62AQI
2nd March 2025
55AQI
3rd March 2025
68AQI
4th March 2025
64AQI
5th March 2025
76AQI
6th March 2025
41AQI
7th March 2025
51AQI
8th March 2025
36AQI
9th March 2025
61AQI
10th March 2025
59AQI
11th March 2025
60AQI
12th March 2025
50AQI
13th March 2025
50AQI
14th March 2025
49AQI
15th March 2025
66AQI
16th March 2025
56AQI
17th March 2025
68AQI
18th March 2025
66AQI
19th March 2025
90AQI
20th March 2025
88AQI
21st March 2025
95AQI
22nd March 2025
78AQI
23rd March 2025
80AQI
24th March 2025
80AQI
25th March 2025
87AQI
26th March 2025
83AQI
27th March 2025
80AQI
28th March 2025
79AQI
29th March 2025
61AQI
30th March 2025
48AQI
31st March 2025
40AQI
1st April 2025
44AQI
2nd April 2025
64AQI
3rd April 2025
66AQI
4th April 2025
62AQI
5th April 2025
69AQI
6th April 2025
53AQI
7th April 2025
62AQI
8th April 2025
57AQI
9th April 2025
66AQI
10th April 2025
68AQI
11th April 2025
76AQI
12th April 2025
68AQI
13th April 2025
123AQI
14th April 2025
118AQI
15th April 2025
92AQI
16th April 2025
85AQI
17th April 2025
83AQI
18th April 2025
74AQI
19th April 2025
63AQI
20th April 2025
65AQI
21st April 2025
62AQI
22nd April 2025
64AQI
23rd April 2025
57AQI
24th April 2025
62AQI
25th April 2025
60AQI
26th April 2025
58AQI
27th April 2025
59AQI
28th April 2025
59AQI
29th April 2025
45AQI
30th April 2025
51AQI
1st May 2025
51AQI
2nd May 2025
59AQI
3rd May 2025
61AQI
4th May 2025
64AQI
5th May 2025
52AQI
6th May 2025
62AQI
7th May 2025
63AQI
8th May 2025
61AQI
9th May 2025
58AQI
10th May 2025
54AQI
11th May 2025
54AQI
12th May 2025
61AQI
13th May 2025
59AQI
14th May 2025
51AQI
15th May 2025
39AQI
16th May 2025
37AQI
17th May 2025
40AQI
18th May 2025
42AQI
19th May 2025
39AQI
20th May 2025
41AQI
21st May 2025
40AQI
22nd May 2025
34AQI
23rd May 2025
38AQI
24th May 2025
40AQI
25th May 2025
43AQI
26th May 2025
58AQI
27th May 2025
50AQI
28th May 2025
41AQI
29th May 2025
42AQI
30th May 2025
46AQI
31st May 2025
37AQI
1st June 2025
39AQI
2nd June 2025
38AQI
3rd June 2025
46AQI
4th June 2025
52AQI
5th June 2025
51AQI
6th June 2025
45AQI
7th June 2025
42AQI
8th June 2025
52AQI
9th June 2025
53AQI
10th June 2025
52AQI
11th June 2025
45AQI
12th June 2025
34AQI
13th June 2025
40AQI
14th June 2025
37AQI
15th June 2025
41AQI
16th June 2025
41AQI
17th June 2025
41AQI
18th June 2025
34AQI
19th June 2025
34AQI
20th June 2025
34AQI
21st June 2025
36AQI
22nd June 2025
43AQI
23rd June 2025
36AQI
24th June 2025
37AQI
25th June 2025
35AQI
26th June 2025
33AQI
27th June 2025
34AQI
28th June 2025
30AQI
29th June 2025
30AQI
30th June 2025
28AQI
1st July 2025
30AQI
2nd July 2025
28AQI
3rd July 2025
28AQI
4th July 2025
27AQI
5th July 2025
28AQI
6th July 2025
28AQI
7th July 2025
28AQI
8th July 2025
33AQI
9th July 2025
37AQI
10th July 2025
40AQI
11th July 2025
45AQI
12th July 2025
37AQI
13th July 2025
39AQI
14th July 2025
44AQI
15th July 2025
46AQI
16th July 2025
41AQI
17th July 2025
41AQI
18th July 2025
41AQI
19th July 2025
37AQI
20th July 2025
34AQI
21st July 2025
31AQI
22nd July 2025
28AQI
23rd July 2025
28AQI
24th July 2025
29AQI
25th July 2025
31AQI
26th July 2025
31AQI
27th July 2025
30AQI
28th July 2025
28AQI
29th July 2025
27AQI
30th July 2025
33AQI
31st July 2025
43AQI
1st August 2025
54AQI
2nd August 2025
56AQI
3rd August 2025
56AQI
4th August 2025
54AQI
5th August 2025
52AQI
6th August 2025
50AQI
7th August 2025
50AQI
8th August 2025
49AQI
9th August 2025
48AQI
10th August 2025
48AQI
11th August 2025
45AQI
12th August 2025
48AQI
13th August 2025
42AQI
14th August 2025
38AQI
15th August 2025
36AQI
16th August 2025
36AQI
17th August 2025
33AQI
18th August 2025
31AQI
19th August 2025
32AQI

93AQI

62AQI

65AQI

68AQI

49AQI

40AQI

34AQI

45AQI

No. of days

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

202558AQI

21
10
3
25
7
24
2
26
2
16
15
25
5
31
14
5
98
121
12

Highest AQI recorded in

January

93AQI

Lowest AQI recorded in

July

34AQI

202456AQI

22
1
11
4
1
5
13
3
1
7
6
2
11
11
1
29
1
31
31
23
6
17
11
3
20
10
25
6
168
117
23
4

Highest AQI recorded in

April

109AQI

Lowest AQI recorded in

August

31AQI

202355AQI

1
2
7
4
2
1
3
2
2
9
2
2
3
18
12
35
31
4

Highest AQI recorded in

March

81AQI

Lowest AQI recorded in

September

28AQI

202254AQI

4
22
3
12
7
1
1
4
24
3
3
26
1
20
10
26
4
20
1
5
5
13
12
9
13
1
2
10
1
119
133
9
2

Highest AQI recorded in

December

74AQI

Lowest AQI recorded in

August

25AQI

202157AQI

18
11
2
2
24
2
2
26
3
15
14
1
27
4
23
7
31
27
4
5
1
18
7
7
19
4
2
25
3
1
159
149
24
3

Highest AQI recorded in

January

96AQI

Lowest AQI recorded in

July

25AQI

202051AQI

8
2
11
10
5
1
27
1
30
1
25
3
27
3
14
15
2
9
14
7
2
17
9
2
146
77
19
3

Highest AQI recorded in

December

92AQI

Lowest AQI recorded in

August

29AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
58AQI
Least Polluted Year Recorded
2020(Avg.)
51AQI

Changjiang Pawn Bay's annual 2025 AQI (58) shows an average percentage change of 5.3% (worsened AQI) compared to previous years: 2020 (51), 2021 (57), 2022 (54), 2023 (55), 2024 (56).