City Environmental Building Station, Jiaji, 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
City Environmental Building Station, Jiaji, Hainan, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
31st Aug 2022
63AQILowest AQI recorded on
26th Aug 2021
17AQISame Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 54 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
City Environmental Building Station, Jiaji, Hainan, China
AQI
Day
Night
.
6 AM2nd Aug 2025
7 PM
5 AM3rd Aug 2025
Day time
Avg. Highest Time
6AM2nd Aug
56AQI
Avg. Lowest Time
5PM2nd Aug
52AQI
Night time
Avg. Highest Time
1AM3rd Aug
57AQI
Avg. Lowest Time
4AM3rd Aug
54AQI
In the last 24 hours,
City Environmental Building Station's AQI reached its highest point of 57 at 1 AM during the Night, while the lowest point, 52, was recorded at 5 PM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
City Environmental Building Station, Jiaji, Hainan, China
JulAug
04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd
Day
Night
4th Jul 2025306 AMAQI
4th Jul 2025307 AMAQI
4th Jul 2025288 AMAQI
4th Jul 2025289 AMAQI
4th Jul 20253210 AMAQI
4th Jul 20253211 AMAQI
4th Jul 20253212 PMAQI
4th Jul 2025291 PMAQI
4th Jul 2025332 PMAQI
4th Jul 2025313 PMAQI
4th Jul 2025264 PMAQI
4th Jul 2025255 PMAQI
4th Jul 2025236 PMAQI
4th Jul 2025247 PMAQI
4th Jul 2025318 PMAQI
4th Jul 2025289 PMAQI
4th Jul 20253210 PMAQI
4th Jul 20253411 PMAQI
5th Jul 20253412 AMAQI
5th Jul 2025311 AMAQI
5th Jul 2025312 AMAQI
5th Jul 2025313 AMAQI
5th Jul 2025324 AMAQI
5th Jul 2025325 AMAQI
26°C24/28°C
5th Jul 2025326 AMAQI
5th Jul 2025317 AMAQI
5th Jul 2025328 AMAQI
5th Jul 2025369 AMAQI
5th Jul 20253310 AMAQI
5th Jul 20252611 AMAQI
5th Jul 20252712 PMAQI
5th Jul 2025261 PMAQI
5th Jul 2025262 PMAQI
5th Jul 2025263 PMAQI
5th Jul 2025264 PMAQI
5th Jul 2025265 PMAQI
5th Jul 2025306 PMAQI
5th Jul 2025347 PMAQI
5th Jul 2025388 PMAQI
5th Jul 2025409 PMAQI
5th Jul 20254010 PMAQI
5th Jul 20253911 PMAQI
6th Jul 20253712 AMAQI
6th Jul 2025361 AMAQI
6th Jul 2025322 AMAQI
6th Jul 2025333 AMAQI
6th Jul 2025324 AMAQI
6th Jul 2025335 AMAQI
28°C24/33°C
6th Jul 2025336 AMAQI
6th Jul 2025347 AMAQI
6th Jul 2025388 AMAQI
6th Jul 2025389 AMAQI
6th Jul 20253210 AMAQI
6th Jul 20253211 AMAQI
6th Jul 20253112 PMAQI
6th Jul 2025261 PMAQI
6th Jul 2025292 PMAQI
6th Jul 2025343 PMAQI
6th Jul 2025334 PMAQI
6th Jul 2025325 PMAQI
6th Jul 2025266 PMAQI
6th Jul 2025277 PMAQI
6th Jul 2025318 PMAQI
6th Jul 2025329 PMAQI
6th Jul 20253410 PMAQI
6th Jul 20253611 PMAQI
7th Jul 20253612 AMAQI
7th Jul 2025351 AMAQI
7th Jul 2025352 AMAQI
7th Jul 2025353 AMAQI
7th Jul 2025344 AMAQI
7th Jul 2025345 AMAQI
28°C24/32°C
7th Jul 2025346 AMAQI
7th Jul 2025357 AMAQI
7th Jul 2025428 AMAQI
7th Jul 2025439 AMAQI
7th Jul 20254410 AMAQI
7th Jul 20254211 AMAQI
7th Jul 20253112 PMAQI
7th Jul 2025351 PMAQI
7th Jul 2025352 PMAQI
7th Jul 2025333 PMAQI
7th Jul 2025264 PMAQI
7th Jul 2025325 PMAQI
7th Jul 2025346 PMAQI
7th Jul 2025387 PMAQI
7th Jul 2025388 PMAQI
7th Jul 2025389 PMAQI
7th Jul 20254110 PMAQI
7th Jul 20254111 PMAQI
8th Jul 20254212 AMAQI
8th Jul 2025401 AMAQI
8th Jul 2025352 AMAQI
8th Jul 2025343 AMAQI
8th Jul 2025364 AMAQI
8th Jul 2025365 AMAQI
28°C25/32°C
8th Jul 2025366 AMAQI
8th Jul 2025387 AMAQI
8th Jul 2025368 AMAQI
8th Jul 2025409 AMAQI
8th Jul 20254110 AMAQI
8th Jul 20254011 AMAQI
8th Jul 20254012 PMAQI
8th Jul 2025361 PMAQI
8th Jul 2025362 PMAQI
8th Jul 2025353 PMAQI
8th Jul 2025364 PMAQI
8th Jul 2025425 PMAQI
8th Jul 2025466 PMAQI
8th Jul 2025487 PMAQI
8th Jul 2025488 PMAQI
8th Jul 2025489 PMAQI
8th Jul 20254710 PMAQI
8th Jul 20254111 PMAQI
9th Jul 20253812 AMAQI
9th Jul 2025371 AMAQI
9th Jul 2025402 AMAQI
9th Jul 2025403 AMAQI
9th Jul 2025394 AMAQI
9th Jul 2025395 AMAQI
29°C25/35°C
9th Jul 2025376 AMAQI
9th Jul 2025377 AMAQI
9th Jul 2025418 AMAQI
9th Jul 2025489 AMAQI
9th Jul 20254510 AMAQI
9th Jul 20254711 AMAQI
9th Jul 20254412 PMAQI
9th Jul 2025441 PMAQI
9th Jul 2025402 PMAQI
9th Jul 2025423 PMAQI
9th Jul 2025404 PMAQI
9th Jul 2025435 PMAQI
9th Jul 2025426 PMAQI
9th Jul 2025427 PMAQI
9th Jul 2025428 PMAQI
9th Jul 2025409 PMAQI
9th Jul 20254010 PMAQI
9th Jul 20254411 PMAQI
10th Jul 20254012 AMAQI
10th Jul 2025421 AMAQI
10th Jul 2025402 AMAQI
10th Jul 2025393 AMAQI
10th Jul 2025404 AMAQI
10th Jul 2025405 AMAQI
29°C25/35°C
10th Jul 2025406 AMAQI
10th Jul 2025397 AMAQI
10th Jul 2025408 AMAQI
10th Jul 2025459 AMAQI
10th Jul 20254910 AMAQI
10th Jul 20255011 AMAQI
10th Jul 20255012 PMAQI
10th Jul 2025521 PMAQI
10th Jul 2025522 PMAQI
10th Jul 2025523 PMAQI
10th Jul 2025494 PMAQI
10th Jul 2025345 PMAQI
10th Jul 2025346 PMAQI
10th Jul 2025367 PMAQI
10th Jul 2025398 PMAQI
10th Jul 2025379 PMAQI
10th Jul 20253910 PMAQI
10th Jul 20254811 PMAQI
11th Jul 20254912 AMAQI
11th Jul 2025491 AMAQI
11th Jul 2025482 AMAQI
11th Jul 2025483 AMAQI
11th Jul 2025494 AMAQI
11th Jul 2025475 AMAQI
28°C25/32°C
11th Jul 2025496 AMAQI
11th Jul 2025507 AMAQI
11th Jul 2025508 AMAQI
11th Jul 2025389 AMAQI
11th Jul 20253610 AMAQI
11th Jul 20254211 AMAQI
11th Jul 20254312 PMAQI
11th Jul 2025421 PMAQI
11th Jul 2025422 PMAQI
11th Jul 2025473 PMAQI
11th Jul 2025504 PMAQI
11th Jul 2025505 PMAQI
11th Jul 2025506 PMAQI
11th Jul 2025507 PMAQI
11th Jul 2025518 PMAQI
11th Jul 2025489 PMAQI
11th Jul 20254410 PMAQI
11th Jul 20254711 PMAQI
12th Jul 20254612 AMAQI
12th Jul 2025441 AMAQI
12th Jul 2025492 AMAQI
12th Jul 2025493 AMAQI
12th Jul 2025484 AMAQI
12th Jul 2025495 AMAQI
27°C25/31°C
12th Jul 2025486 AMAQI
12th Jul 2025497 AMAQI
12th Jul 2025438 AMAQI
12th Jul 2025449 AMAQI
12th Jul 20254410 AMAQI
12th Jul 20254211 AMAQI
12th Jul 20254712 PMAQI
12th Jul 2025451 PMAQI
12th Jul 2025402 PMAQI
12th Jul 2025373 PMAQI
12th Jul 2025394 PMAQI
12th Jul 2025385 PMAQI
12th Jul 2025386 PMAQI
12th Jul 2025427 PMAQI
12th Jul 2025448 PMAQI
12th Jul 2025459 PMAQI
12th Jul 20254410 PMAQI
12th Jul 20255011 PMAQI
13th Jul 20255212 AMAQI
13th Jul 2025511 AMAQI
13th Jul 2025502 AMAQI
13th Jul 2025493 AMAQI
13th Jul 2025494 AMAQI
13th Jul 2025505 AMAQI
28°C25/31°C
13th Jul 2025496 AMAQI
13th Jul 2025487 AMAQI
13th Jul 2025468 AMAQI
13th Jul 2025469 AMAQI
13th Jul 20254710 AMAQI
13th Jul 20254911 AMAQI
13th Jul 20254212 PMAQI
13th Jul 2025421 PMAQI
13th Jul 2025422 PMAQI
13th Jul 2025443 PMAQI
13th Jul 2025444 PMAQI
13th Jul 2025435 PMAQI
13th Jul 2025446 PMAQI
13th Jul 2025477 PMAQI
13th Jul 2025508 PMAQI
13th Jul 2025509 PMAQI
13th Jul 20255010 PMAQI
13th Jul 20255111 PMAQI
14th Jul 20254712 AMAQI
14th Jul 2025481 AMAQI
14th Jul 2025532 AMAQI
14th Jul 2025523 AMAQI
14th Jul 2025514 AMAQI
14th Jul 2025505 AMAQI
28°C25/33°C
14th Jul 2025506 AMAQI
14th Jul 2025527 AMAQI
14th Jul 2025428 AMAQI
14th Jul 2025599 AMAQI
14th Jul 20254210 AMAQI
14th Jul 20254011 AMAQI
14th Jul 20254312 PMAQI
14th Jul 2025421 PMAQI
14th Jul 2025422 PMAQI
14th Jul 2025483 PMAQI
14th Jul 2025524 PMAQI
14th Jul 2025535 PMAQI
14th Jul 2025506 PMAQI
14th Jul 2025507 PMAQI
14th Jul 2025528 PMAQI
14th Jul 2025549 PMAQI
14th Jul 20255410 PMAQI
14th Jul 20255411 PMAQI
15th Jul 20255412 AMAQI
15th Jul 2025541 AMAQI
15th Jul 2025532 AMAQI
15th Jul 2025523 AMAQI
15th Jul 2025524 AMAQI
15th Jul 2025525 AMAQI
28°C25/34°C
15th Jul 2025526 AMAQI
15th Jul 2025547 AMAQI
15th Jul 2025588 AMAQI
15th Jul 2025619 AMAQI
15th Jul 20256010 AMAQI
15th Jul 20255611 AMAQI
15th Jul 20255412 PMAQI
15th Jul 2025531 PMAQI
15th Jul 2025442 PMAQI
15th Jul 2025463 PMAQI
15th Jul 2025484 PMAQI
15th Jul 2025495 PMAQI
15th Jul 2025446 PMAQI
15th Jul 2025477 PMAQI
15th Jul 2025528 PMAQI
15th Jul 2025539 PMAQI
15th Jul 20255410 PMAQI
15th Jul 20255311 PMAQI
16th Jul 20255212 AMAQI
16th Jul 2025531 AMAQI
16th Jul 2025532 AMAQI
16th Jul 2025543 AMAQI
16th Jul 2025544 AMAQI
16th Jul 2025535 AMAQI
29°C25/34°C
16th Jul 2025546 AMAQI
16th Jul 2025547 AMAQI
16th Jul 2025478 AMAQI
16th Jul 2025489 AMAQI
16th Jul 20254810 AMAQI
16th Jul 20255011 AMAQI
16th Jul 20255112 PMAQI
16th Jul 2025521 PMAQI
16th Jul 2025462 PMAQI
16th Jul 2025433 PMAQI
16th Jul 2025444 PMAQI
16th Jul 2025435 PMAQI
16th Jul 2025456 PMAQI
16th Jul 2025507 PMAQI
16th Jul 2025508 PMAQI
16th Jul 2025539 PMAQI
16th Jul 20255410 PMAQI
16th Jul 20255211 PMAQI
17th Jul 20254912 AMAQI
17th Jul 2025511 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025533 AMAQI
17th Jul 2025524 AMAQI
17th Jul 2025525 AMAQI
29°C26/35°C
17th Jul 2025536 AMAQI
17th Jul 2025537 AMAQI
17th Jul 2025588 AMAQI
17th Jul 2025599 AMAQI
17th Jul 20256410 AMAQI
17th Jul 20255911 AMAQI
17th Jul 20254912 PMAQI
17th Jul 2025531 PMAQI
17th Jul 2025432 PMAQI
17th Jul 2025363 PMAQI
17th Jul 2025384 PMAQI
17th Jul 2025395 PMAQI
17th Jul 2025446 PMAQI
17th Jul 2025547 PMAQI
17th Jul 2025568 PMAQI
17th Jul 2025559 PMAQI
17th Jul 20255610 PMAQI
17th Jul 20255611 PMAQI
18th Jul 20255612 AMAQI
18th Jul 2025551 AMAQI
18th Jul 2025522 AMAQI
18th Jul 2025523 AMAQI
18th Jul 2025534 AMAQI
18th Jul 2025525 AMAQI
30°C25/35°C
18th Jul 2025526 AMAQI
18th Jul 2025527 AMAQI
18th Jul 2025548 AMAQI
18th Jul 2025559 AMAQI
18th Jul 20255510 AMAQI
18th Jul 20255611 AMAQI
18th Jul 20255012 PMAQI
18th Jul 2025461 PMAQI
18th Jul 2025472 PMAQI
18th Jul 2025433 PMAQI
18th Jul 2025404 PMAQI
18th Jul 2025375 PMAQI
18th Jul 2025426 PMAQI
18th Jul 2025457 PMAQI
18th Jul 2025518 PMAQI
18th Jul 2025549 PMAQI
18th Jul 20256010 PMAQI
18th Jul 20256011 PMAQI
19th Jul 20256012 AMAQI
19th Jul 2025581 AMAQI
19th Jul 2025542 AMAQI
19th Jul 2025533 AMAQI
19th Jul 2025524 AMAQI
19th Jul 2025525 AMAQI
30°C26/34°C
19th Jul 2025526 AMAQI
19th Jul 2025537 AMAQI
19th Jul 2025448 AMAQI
19th Jul 2025419 AMAQI
19th Jul 20254010 AMAQI
19th Jul 20254011 AMAQI
19th Jul 20253912 PMAQI
19th Jul 2025391 PMAQI
19th Jul 2025372 PMAQI
19th Jul 2025273 PMAQI
19th Jul 2025254 PMAQI
19th Jul 2025265 PMAQI
19th Jul 2025406 PMAQI
19th Jul 2025507 PMAQI
19th Jul 2025528 PMAQI
19th Jul 2025529 PMAQI
19th Jul 20255110 PMAQI
19th Jul 20255111 PMAQI
20th Jul 20254912 AMAQI
20th Jul 2025531 AMAQI
20th Jul 2025542 AMAQI
20th Jul 2025533 AMAQI
20th Jul 2025524 AMAQI
20th Jul 2025525 AMAQI
26°C25/29°C
20th Jul 2025526 AMAQI
20th Jul 2025527 AMAQI
20th Jul 2025388 AMAQI
20th Jul 2025269 AMAQI
20th Jul 20252810 AMAQI
20th Jul 20252911 AMAQI
20th Jul 20252612 PMAQI
20th Jul 2025271 PMAQI
20th Jul 2025282 PMAQI
20th Jul 2025303 PMAQI
20th Jul 2025334 PMAQI
20th Jul 2025355 PMAQI
20th Jul 2025356 PMAQI
20th Jul 2025387 PMAQI
20th Jul 2025418 PMAQI
20th Jul 2025439 PMAQI
20th Jul 20254310 PMAQI
20th Jul 20254211 PMAQI
21st Jul 20254212 AMAQI
21st Jul 2025481 AMAQI
21st Jul 2025532 AMAQI
21st Jul 2025513 AMAQI
21st Jul 2025494 AMAQI
21st Jul 2025505 AMAQI
26°C24/29°C
21st Jul 2025496 AMAQI
21st Jul 2025487 AMAQI
21st Jul 2025378 AMAQI
21st Jul 2025269 AMAQI
21st Jul 20252110 AMAQI
21st Jul 20252111 AMAQI
21st Jul 20252412 PMAQI
21st Jul 2025241 PMAQI
21st Jul 2025232 PMAQI
21st Jul 2025203 PMAQI
21st Jul 2025194 PMAQI
21st Jul 2025215 PMAQI
21st Jul 2025226 PMAQI
21st Jul 2025327 PMAQI
21st Jul 2025428 PMAQI
21st Jul 2025469 PMAQI
21st Jul 20254910 PMAQI
21st Jul 20254811 PMAQI
22nd Jul 20254412 AMAQI
22nd Jul 2025461 AMAQI
22nd Jul 2025512 AMAQI
22nd Jul 2025483 AMAQI
22nd Jul 2025464 AMAQI
22nd Jul 2025445 AMAQI
25°C24/27°C
22nd Jul 2025456 AMAQI
22nd Jul 2025447 AMAQI
22nd Jul 2025298 AMAQI
22nd Jul 2025269 AMAQI
22nd Jul 20253110 AMAQI
22nd Jul 20253111 AMAQI
22nd Jul 20253012 PMAQI
22nd Jul 2025301 PMAQI
22nd Jul 2025292 PMAQI
22nd Jul 2025283 PMAQI
22nd Jul 2025284 PMAQI
22nd Jul 2025285 PMAQI
22nd Jul 2025276 PMAQI
22nd Jul 2025347 PMAQI
22nd Jul 2025408 PMAQI
22nd Jul 2025449 PMAQI
22nd Jul 20254510 PMAQI
22nd Jul 20254611 PMAQI
23rd Jul 20254612 AMAQI
23rd Jul 2025461 AMAQI
23rd Jul 2025462 AMAQI
23rd Jul 2025453 AMAQI
23rd Jul 2025434 AMAQI
23rd Jul 2025435 AMAQI
28°C26/32°C
23rd Jul 2025446 AMAQI
23rd Jul 2025437 AMAQI
23rd Jul 2025398 AMAQI
23rd Jul 2025429 AMAQI
23rd Jul 20254210 AMAQI
23rd Jul 20254311 AMAQI
23rd Jul 20254512 PMAQI
23rd Jul 2025441 PMAQI
23rd Jul 2025402 PMAQI
23rd Jul 2025373 PMAQI
23rd Jul 2025314 PMAQI
23rd Jul 2025265 PMAQI
23rd Jul 2025266 PMAQI
23rd Jul 2025357 PMAQI
23rd Jul 2025468 PMAQI
23rd Jul 2025459 PMAQI
23rd Jul 20254610 PMAQI
23rd Jul 20253911 PMAQI
24th Jul 20253512 AMAQI
24th Jul 2025361 AMAQI
24th Jul 2025352 AMAQI
24th Jul 2025393 AMAQI
24th Jul 2025464 AMAQI
24th Jul 2025485 AMAQI
28°C26/32°C
24th Jul 2025486 AMAQI
24th Jul 2025487 AMAQI
24th Jul 2025428 AMAQI
24th Jul 2025369 AMAQI
24th Jul 20253410 AMAQI
24th Jul 20253311 AMAQI
24th Jul 20253212 PMAQI
24th Jul 2025341 PMAQI
24th Jul 2025342 PMAQI
24th Jul 2025323 PMAQI
24th Jul 2025224 PMAQI
24th Jul 2025205 PMAQI
24th Jul 2025216 PMAQI
24th Jul 2025287 PMAQI
24th Jul 2025348 PMAQI
24th Jul 2025459 PMAQI
24th Jul 20255010 PMAQI
24th Jul 20254411 PMAQI
25th Jul 20253712 AMAQI
25th Jul 2025381 AMAQI
25th Jul 2025412 AMAQI
25th Jul 2025413 AMAQI
25th Jul 2025414 AMAQI
25th Jul 2025405 AMAQI
27°C25/29°C
25th Jul 2025416 AMAQI
25th Jul 2025417 AMAQI
25th Jul 2025338 AMAQI
25th Jul 2025389 AMAQI
25th Jul 20254210 AMAQI
25th Jul 20253211 AMAQI
25th Jul 20252812 PMAQI
25th Jul 2025291 PMAQI
25th Jul 2025302 PMAQI
25th Jul 2025293 PMAQI
25th Jul 2025294 PMAQI
25th Jul 2025395 PMAQI
25th Jul 2025426 PMAQI
25th Jul 2025487 PMAQI
25th Jul 2025478 PMAQI
25th Jul 2025469 PMAQI
25th Jul 20255010 PMAQI
25th Jul 20254811 PMAQI
26th Jul 20254412 AMAQI
26th Jul 2025441 AMAQI
26th Jul 2025462 AMAQI
26th Jul 2025473 AMAQI
26th Jul 2025484 AMAQI
26th Jul 2025475 AMAQI
28°C24/33°C
26th Jul 2025476 AMAQI
26th Jul 2025447 AMAQI
26th Jul 2025398 AMAQI
26th Jul 2025339 AMAQI
26th Jul 20252810 AMAQI
26th Jul 20252711 AMAQI
26th Jul 20252712 PMAQI
26th Jul 2025291 PMAQI
26th Jul 2025332 PMAQI
26th Jul 2025313 PMAQI
26th Jul 2025304 PMAQI
26th Jul 2025325 PMAQI
26th Jul 2025296 PMAQI
26th Jul 2025327 PMAQI
26th Jul 2025378 PMAQI
26th Jul 2025409 PMAQI
26th Jul 20254310 PMAQI
26th Jul 20254611 PMAQI
27th Jul 20254912 AMAQI
27th Jul 2025501 AMAQI
27th Jul 2025472 AMAQI
27th Jul 2025463 AMAQI
27th Jul 2025444 AMAQI
27th Jul 2025435 AMAQI
28°C24/33°C
27th Jul 2025436 AMAQI
27th Jul 2025447 AMAQI
27th Jul 2025498 AMAQI
27th Jul 2025549 AMAQI
27th Jul 20255210 AMAQI
27th Jul 20254511 AMAQI
27th Jul 20254412 PMAQI
27th Jul 2025421 PMAQI
27th Jul 2025382 PMAQI
27th Jul 2025323 PMAQI
27th Jul 2025374 PMAQI
27th Jul 2025435 PMAQI
27th Jul 2025446 PMAQI
27th Jul 2025457 PMAQI
27th Jul 2025488 PMAQI
27th Jul 2025549 PMAQI
27th Jul 20255810 PMAQI
27th Jul 20255811 PMAQI
28th Jul 20255312 AMAQI
28th Jul 2025431 AMAQI
28th Jul 2025462 AMAQI
28th Jul 2025463 AMAQI
28th Jul 2025464 AMAQI
28th Jul 2025485 AMAQI
28°C24/34°C
28th Jul 2025466 AMAQI
28th Jul 2025467 AMAQI
28th Jul 2025498 AMAQI
28th Jul 2025479 AMAQI
28th Jul 20254610 AMAQI
28th Jul 20255111 AMAQI
28th Jul 20255212 PMAQI
28th Jul 2025271 PMAQI
28th Jul 2025212 PMAQI
28th Jul 2025233 PMAQI
28th Jul 2025284 PMAQI
28th Jul 2025275 PMAQI
28th Jul 2025326 PMAQI
28th Jul 2025347 PMAQI
28th Jul 2025398 PMAQI
28th Jul 2025439 PMAQI
28th Jul 20254410 PMAQI
28th Jul 20254611 PMAQI
29th Jul 20254312 AMAQI
29th Jul 2025461 AMAQI
29th Jul 2025482 AMAQI
29th Jul 2025463 AMAQI
29th Jul 2025464 AMAQI
29th Jul 2025465 AMAQI
28°C25/32°C
29th Jul 2025466 AMAQI
29th Jul 2025467 AMAQI
29th Jul 2025388 AMAQI
29th Jul 2025359 AMAQI
29th Jul 20253110 AMAQI
29th Jul 20252811 AMAQI
29th Jul 20252612 PMAQI
29th Jul 2025261 PMAQI
29th Jul 2025302 PMAQI
29th Jul 2025303 PMAQI
29th Jul 2025274 PMAQI
29th Jul 2025295 PMAQI
29th Jul 2025396 PMAQI
29th Jul 2025467 PMAQI
29th Jul 2025498 PMAQI
29th Jul 2025489 PMAQI
29th Jul 20254710 PMAQI
29th Jul 20254411 PMAQI
30th Jul 20254412 AMAQI
30th Jul 2025431 AMAQI
30th Jul 2025422 AMAQI
30th Jul 2025423 AMAQI
30th Jul 2025414 AMAQI
30th Jul 2025475 AMAQI
29°C25/33°C
30th Jul 2025486 AMAQI
30th Jul 2025487 AMAQI
30th Jul 2025438 AMAQI
30th Jul 2025429 AMAQI
30th Jul 20254410 AMAQI
30th Jul 20253711 AMAQI
30th Jul 20253812 PMAQI
30th Jul 2025401 PMAQI
30th Jul 2025462 PMAQI
30th Jul 2025433 PMAQI
30th Jul 2025384 PMAQI
30th Jul 2025375 PMAQI
30th Jul 2025406 PMAQI
30th Jul 2025387 PMAQI
30th Jul 2025438 PMAQI
30th Jul 2025449 PMAQI
30th Jul 20254510 PMAQI
30th Jul 20254411 PMAQI
31st Jul 20254812 AMAQI
31st Jul 2025451 AMAQI
31st Jul 2025482 AMAQI
31st Jul 2025523 AMAQI
31st Jul 2025524 AMAQI
31st Jul 2025525 AMAQI
29°C25/34°C
31st Jul 2025526 AMAQI
31st Jul 2025527 AMAQI
31st Jul 2025528 AMAQI
31st Jul 2025529 AMAQI
31st Jul 20255010 AMAQI
31st Jul 20254011 AMAQI
31st Jul 20253612 PMAQI
31st Jul 2025371 PMAQI
31st Jul 2025362 PMAQI
31st Jul 2025363 PMAQI
31st Jul 2025384 PMAQI
31st Jul 2025395 PMAQI
31st Jul 2025436 PMAQI
31st Jul 2025477 PMAQI
31st Jul 2025558 PMAQI
31st Jul 2025549 PMAQI
31st Jul 20255510 PMAQI
31st Jul 20255811 PMAQI
1st Aug 20255612 AMAQI
1st Aug 2025581 AMAQI
1st Aug 2025562 AMAQI
1st Aug 2025543 AMAQI
1st Aug 2025544 AMAQI
1st Aug 2025545 AMAQI
29°C25/34°C
1st Aug 2025566 AMAQI
1st Aug 2025567 AMAQI
1st Aug 2025588 AMAQI
1st Aug 2025599 AMAQI
1st Aug 20255410 AMAQI
1st Aug 20255611 AMAQI
1st Aug 20254812 PMAQI
1st Aug 2025541 PMAQI
1st Aug 2025522 PMAQI
1st Aug 2025503 PMAQI
1st Aug 2025504 PMAQI
1st Aug 2025465 PMAQI
1st Aug 2025466 PMAQI
1st Aug 2025527 PMAQI
1st Aug 2025538 PMAQI
1st Aug 2025559 PMAQI
1st Aug 20255410 PMAQI
1st Aug 20255411 PMAQI
2nd Aug 20255412 AMAQI
2nd Aug 2025551 AMAQI
2nd Aug 2025562 AMAQI
2nd Aug 2025563 AMAQI
2nd Aug 2025554 AMAQI
2nd Aug 2025565 AMAQI
29°C26/34°C
2nd Aug 2025566 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025548 AMAQI
2nd Aug 2025549 AMAQI
2nd Aug 20255410 AMAQI
2nd Aug 20255211 AMAQI
2nd Aug 20255412 PMAQI
2nd Aug 2025541 PMAQI
2nd Aug 2025532 PMAQI
2nd Aug 2025563 PMAQI
2nd Aug 2025524 PMAQI
2nd Aug 2025525 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025557 PMAQI
2nd Aug 2025548 PMAQI
2nd Aug 2025569 PMAQI
2nd Aug 20255510 PMAQI
2nd Aug 20255611 PMAQI
3rd Aug 20255412 AMAQI
3rd Aug 2025571 AMAQI
3rd Aug 2025562 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025544 AMAQI
3rd Aug 2025555 AMAQI
29°C25/36°C
3rd Aug 2025556 AMAQI
6 AM3rd Aug 2025557 AMAQI
3rd Aug 2025558 AMAQI
3rd Aug 2025589 AMAQI
3rd Aug 20256010 AMAQI
3rd Aug 20256411 AMAQI
3rd Aug 20256612 PMAQI
12 PM3rd Aug 2025561 PMAQI
3rd Aug 2025542 PMAQI
7 PM
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 7 PM
41AQI
14 hours / Day
420 hours / Month
Avg. Lowest Time
6 AM - 5 PM
41AQI
12 hours / Day
360 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 7 PM (Avg. 41), while the lowest AQI was between 6 AM to 5 PM (Avg. 41).
Night time
Avg. Highest Time
12 AM - 11 PM
46AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM - 11 PM
46AQI
10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 46), while the lowest AQI was between 12 AM to 11 PM (Avg. 46).
2025 Days Vs Air Quality
City Environmental Building Station, Jiaji, Hainan, China
2025
46%
97
49%
105
5%
11
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
97 DaysModerate
105 DaysPoor
11 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 46%
Health Risk Level:
Significant
In 2025, 46% of 215 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
City Environmental Building Station, Jiaji, 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
117AQI
117AQI
2nd January 2025
95AQI
95AQI
3rd January 2025
106AQI
106AQI
4th January 2025
93AQI
93AQI
5th January 2025
108AQI
108AQI
6th January 2025
114AQI
114AQI
7th January 2025
91AQI
91AQI
8th January 2025
94AQI
94AQI
9th January 2025
114AQI
114AQI
10th January 2025
109AQI
109AQI
11th January 2025
91AQI
91AQI
12th January 2025
84AQI
84AQI
13th January 2025
77AQI
77AQI
14th January 2025
75AQI
75AQI
15th January 2025
87AQI
87AQI
16th January 2025
95AQI
95AQI
17th January 2025
88AQI
88AQI
18th January 2025
87AQI
87AQI
19th January 2025
92AQI
92AQI
20th January 2025
89AQI
89AQI
21st January 2025
79AQI
79AQI
22nd January 2025
90AQI
90AQI
23rd January 2025
77AQI
77AQI
24th January 2025
62AQI
62AQI
25th January 2025
61AQI
61AQI
26th January 2025
57AQI
57AQI
27th January 2025
60AQI
60AQI
28th January 2025
68AQI
68AQI
29th January 2025
94AQI
94AQI
30th January 2025
69AQI
69AQI
31st January 2025
63AQI
63AQI
1st February 2025
46AQI
46AQI
2nd February 2025
44AQI
44AQI
3rd February 2025
46AQI
46AQI
4th February 2025
52AQI
52AQI
5th February 2025
54AQI
54AQI
6th February 2025
55AQI
55AQI
7th February 2025
70AQI
70AQI
8th February 2025
60AQI
60AQI
9th February 2025
70AQI
70AQI
10th February 2025
60AQI
60AQI
11th February 2025
61AQI
61AQI
12th February 2025
47AQI
47AQI
13th February 2025
63AQI
63AQI
14th February 2025
45AQI
45AQI
15th February 2025
67AQI
67AQI
16th February 2025
44AQI
44AQI
17th February 2025
63AQI
63AQI
18th February 2025
80AQI
80AQI
19th February 2025
69AQI
69AQI
20th February 2025
67AQI
67AQI
21st February 2025
59AQI
59AQI
22nd February 2025
48AQI
48AQI
23rd February 2025
50AQI
50AQI
24th February 2025
49AQI
49AQI
25th February 2025
54AQI
54AQI
26th February 2025
73AQI
73AQI
27th February 2025
63AQI
63AQI
28th February 2025
55AQI
55AQI
1st March 2025
57AQI
57AQI
2nd March 2025
52AQI
52AQI
3rd March 2025
56AQI
56AQI
4th March 2025
44AQI
44AQI
5th March 2025
47AQI
47AQI
6th March 2025
29AQI
29AQI
7th March 2025
40AQI
40AQI
8th March 2025
32AQI
32AQI
9th March 2025
58AQI
58AQI
10th March 2025
59AQI
59AQI
11th March 2025
58AQI
58AQI
12th March 2025
50AQI
50AQI
13th March 2025
49AQI
49AQI
14th March 2025
42AQI
42AQI
15th March 2025
56AQI
56AQI
16th March 2025
47AQI
47AQI
17th March 2025
69AQI
69AQI
18th March 2025
73AQI
73AQI
19th March 2025
83AQI
83AQI
20th March 2025
75AQI
75AQI
21st March 2025
80AQI
80AQI
22nd March 2025
77AQI
77AQI
23rd March 2025
76AQI
76AQI
24th March 2025
74AQI
74AQI
25th March 2025
74AQI
74AQI
26th March 2025
55AQI
55AQI
27th March 2025
59AQI
59AQI
28th March 2025
56AQI
56AQI
29th March 2025
53AQI
53AQI
30th March 2025
30AQI
30AQI
31st March 2025
33AQI
33AQI
1st April 2025
42AQI
42AQI
2nd April 2025
59AQI
59AQI
3rd April 2025
51AQI
51AQI
4th April 2025
54AQI
54AQI
5th April 2025
61AQI
61AQI
6th April 2025
46AQI
46AQI
7th April 2025
61AQI
61AQI
8th April 2025
54AQI
54AQI
9th April 2025
62AQI
62AQI
10th April 2025
59AQI
59AQI
11th April 2025
58AQI
58AQI
12th April 2025
58AQI
58AQI
13th April 2025
127AQI
127AQI
14th April 2025
126AQI
126AQI
15th April 2025
119AQI
119AQI
16th April 2025
102AQI
102AQI
17th April 2025
101AQI
101AQI
18th April 2025
75AQI
75AQI
19th April 2025
61AQI
61AQI
20th April 2025
60AQI
60AQI
21st April 2025
57AQI
57AQI
22nd April 2025
60AQI
60AQI
23rd April 2025
53AQI
53AQI
24th April 2025
57AQI
57AQI
25th April 2025
50AQI
50AQI
26th April 2025
53AQI
53AQI
27th April 2025
47AQI
47AQI
28th April 2025
54AQI
54AQI
29th April 2025
54AQI
54AQI
30th April 2025
51AQI
51AQI
1st May 2025
54AQI
54AQI
2nd May 2025
58AQI
58AQI
3rd May 2025
58AQI
58AQI
4th May 2025
57AQI
57AQI
5th May 2025
51AQI
51AQI
6th May 2025
56AQI
56AQI
7th May 2025
55AQI
55AQI
8th May 2025
50AQI
50AQI
9th May 2025
50AQI
50AQI
10th May 2025
51AQI
51AQI
11th May 2025
56AQI
56AQI
12th May 2025
59AQI
59AQI
13th May 2025
56AQI
56AQI
14th May 2025
45AQI
45AQI
15th May 2025
36AQI
36AQI
16th May 2025
33AQI
33AQI
17th May 2025
38AQI
38AQI
18th May 2025
39AQI
39AQI
19th May 2025
39AQI
39AQI
20th May 2025
43AQI
43AQI
21st May 2025
43AQI
43AQI
22nd May 2025
39AQI
39AQI
23rd May 2025
32AQI
32AQI
24th May 2025
35AQI
35AQI
25th May 2025
49AQI
49AQI
26th May 2025
79AQI
79AQI
27th May 2025
54AQI
54AQI
28th May 2025
48AQI
48AQI
29th May 2025
39AQI
39AQI
30th May 2025
43AQI
43AQI
31st May 2025
41AQI
41AQI
1st June 2025
46AQI
46AQI
2nd June 2025
45AQI
45AQI
3rd June 2025
47AQI
47AQI
4th June 2025
53AQI
53AQI
5th June 2025
46AQI
46AQI
6th June 2025
42AQI
42AQI
7th June 2025
42AQI
42AQI
8th June 2025
45AQI
45AQI
9th June 2025
51AQI
51AQI
10th June 2025
54AQI
54AQI
11th June 2025
44AQI
44AQI
12th June 2025
33AQI
33AQI
13th June 2025
36AQI
36AQI
14th June 2025
33AQI
33AQI
15th June 2025
42AQI
42AQI
16th June 2025
44AQI
44AQI
17th June 2025
43AQI
43AQI
18th June 2025
37AQI
37AQI
19th June 2025
36AQI
36AQI
20th June 2025
34AQI
34AQI
21st June 2025
34AQI
34AQI
22nd June 2025
38AQI
38AQI
23rd June 2025
30AQI
30AQI
24th June 2025
28AQI
28AQI
25th June 2025
30AQI
30AQI
26th June 2025
27AQI
27AQI
27th June 2025
26AQI
26AQI
28th June 2025
31AQI
31AQI
29th June 2025
32AQI
32AQI
30th June 2025
31AQI
31AQI
1st July 2025
35AQI
35AQI
2nd July 2025
27AQI
27AQI
3rd July 2025
28AQI
28AQI
4th July 2025
29AQI
29AQI
5th July 2025
32AQI
32AQI
6th July 2025
32AQI
32AQI
7th July 2025
36AQI
36AQI
8th July 2025
40AQI
40AQI
9th July 2025
41AQI
41AQI
10th July 2025
42AQI
42AQI
11th July 2025
47AQI
47AQI
12th July 2025
45AQI
45AQI
13th July 2025
48AQI
48AQI
14th July 2025
50AQI
50AQI
15th July 2025
52AQI
52AQI
16th July 2025
50AQI
50AQI
17th July 2025
52AQI
52AQI
18th July 2025
51AQI
51AQI
19th July 2025
46AQI
46AQI
20th July 2025
41AQI
41AQI
21st July 2025
37AQI
37AQI
22nd July 2025
38AQI
38AQI
23rd July 2025
41AQI
41AQI
24th July 2025
37AQI
37AQI
25th July 2025
40AQI
40AQI
26th July 2025
38AQI
38AQI
27th July 2025
47AQI
47AQI
28th July 2025
41AQI
41AQI
29th July 2025
40AQI
40AQI
30th July 2025
43AQI
43AQI
31st July 2025
48AQI
48AQI
1st August 2025
54AQI
54AQI
87AQI
58AQI
56AQI
66AQI
48AQI
39AQI
41AQI
54AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202556AQI
25
6
9
19
11
20
4
21
5
18
13
27
3
28
3
1
97
105
11
Highest AQI recorded in
January87AQI
Lowest AQI recorded in
June39AQI
202451AQI
3
18
6
2
2
15
1
9
9
14
2
30
31
30
1
23
6
16
9
6
17
13
23
8
181
98
15
Highest AQI recorded in
December86AQI
Lowest AQI recorded in
July31AQI
202363AQI
2
8
1
3
10
2
2
1
5
2
8
1
1
4
3
30
22
61
Highest AQI recorded in
November80AQI
Lowest AQI recorded in
July24AQI
202247AQI
9
11
14
7
15
16
12
18
29
2
27
3
20
1
1
5
3
12
11
2
19
3
1
3
9
1
161
86
7
Highest AQI recorded in
September76AQI
Lowest AQI recorded in
July29AQI
202147AQI
24
6
1
8
20
15
16
22
8
28
3
20
10
28
3
27
4
26
4
12
3
2
5
188
100
6
1
Highest AQI recorded in
January84AQI
Lowest AQI recorded in
October34AQI
202047AQI
7
3
11
5
28
31
24
7
28
2
12
19
7
17
6
3
21
7
151
74
13
Highest AQI recorded in
December81AQI
Lowest AQI recorded in
June25AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
63AQILeast Polluted Year Recorded
2020(Avg.)
47AQICity Environmental Building Station's annual 2025 AQI (56) shows an average percentage change of 12.1% (worsened AQI) compared to previous years: 2020 (47), 2021 (47), 2022 (47), 2023 (63), 2024 (51).
