Zhongzhai Port, 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
Zhongzhai Port, Haikou, Hainan, China
2021
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
26th Sep 2024
69AQILowest AQI recorded on
1st Sep 2021
15AQISame Day Analysis (21st September ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 37 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 21st Sep - 22nd Sep 2025
Zhongzhai Port, Haikou, Hainan, China
AQI
Day
Night
.
6 AM21st Sep 2025
6 PM
5 AM22nd Sep 2025
Day time
Avg. Highest Time
4PM21st Sep
41AQI
Avg. Lowest Time
12PM21st Sep
30AQI
Night time
Avg. Highest Time
10PM21st Sep
41AQI
Avg. Lowest Time
3AM22nd Sep
34AQI
In the last 24 hours,
Zhongzhai Port's AQI reached its highest point of 41 at 4 PM during the Day, while the lowest point, 30, was recorded at 12 PM during the Day between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Zhongzhai Port, Haikou, 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 2025376 AMAQI
23rd Aug 2025387 AMAQI
23rd Aug 2025428 AMAQI
23rd Aug 2025479 AMAQI
23rd Aug 20254410 AMAQI
23rd Aug 20253411 AMAQI
23rd Aug 20254612 PMAQI
23rd Aug 2025421 PMAQI
23rd Aug 2025352 PMAQI
23rd Aug 2025483 PMAQI
23rd Aug 2025344 PMAQI
23rd Aug 2025345 PMAQI
23rd Aug 2025416 PMAQI
23rd Aug 2025427 PMAQI
23rd Aug 2025388 PMAQI
23rd Aug 2025409 PMAQI
23rd Aug 20253810 PMAQI
23rd Aug 20254111 PMAQI
24th Aug 20253812 AMAQI
24th Aug 2025391 AMAQI
24th Aug 2025402 AMAQI
24th Aug 2025403 AMAQI
24th Aug 2025404 AMAQI
24th Aug 2025415 AMAQI
28°C26/31°C
24th Aug 2025426 AMAQI
24th Aug 2025407 AMAQI
24th Aug 2025418 AMAQI
24th Aug 2025269 AMAQI
24th Aug 20253110 AMAQI
24th Aug 20252711 AMAQI
24th Aug 20253212 PMAQI
24th Aug 2025341 PMAQI
24th Aug 2025242 PMAQI
24th Aug 2025343 PMAQI
24th Aug 2025324 PMAQI
24th Aug 2025375 PMAQI
24th Aug 2025286 PMAQI
24th Aug 2025367 PMAQI
24th Aug 2025408 PMAQI
24th Aug 2025409 PMAQI
24th Aug 20253810 PMAQI
24th Aug 20253811 PMAQI
25th Aug 20253712 AMAQI
25th Aug 2025391 AMAQI
25th Aug 2025382 AMAQI
25th Aug 2025383 AMAQI
25th Aug 2025404 AMAQI
25th Aug 2025405 AMAQI
27°C26/28°C
25th Aug 2025406 AMAQI
25th Aug 2025407 AMAQI
25th Aug 2025298 AMAQI
25th Aug 2025319 AMAQI
25th Aug 20252410 AMAQI
25th Aug 20252511 AMAQI
25th Aug 20252812 PMAQI
25th Aug 2025281 PMAQI
25th Aug 2025312 PMAQI
25th Aug 2025263 PMAQI
25th Aug 2025284 PMAQI
25th Aug 2025335 PMAQI
25th Aug 2025276 PMAQI
25th Aug 2025367 PMAQI
25th Aug 2025368 PMAQI
25th Aug 2025379 PMAQI
25th Aug 20253410 PMAQI
25th Aug 20253211 PMAQI
26th Aug 20253412 AMAQI
26th Aug 2025401 AMAQI
26th Aug 2025402 AMAQI
26th Aug 2025383 AMAQI
26th Aug 2025384 AMAQI
26th Aug 2025385 AMAQI
26°C25/27°C
26th Aug 2025386 AMAQI
26th Aug 2025387 AMAQI
26th Aug 2025268 AMAQI
26th Aug 2025369 AMAQI
26th Aug 20253010 AMAQI
26th Aug 20252611 AMAQI
26th Aug 20253412 PMAQI
26th Aug 2025341 PMAQI
26th Aug 2025362 PMAQI
26th Aug 2025313 PMAQI
26th Aug 2025274 PMAQI
26th Aug 2025265 PMAQI
26th Aug 2025326 PMAQI
26th Aug 2025357 PMAQI
26th Aug 2025388 PMAQI
26th Aug 2025319 PMAQI
26th Aug 20253110 PMAQI
26th Aug 20253311 PMAQI
27th Aug 20253712 AMAQI
27th Aug 2025401 AMAQI
27th Aug 2025402 AMAQI
27th Aug 2025383 AMAQI
27th Aug 2025374 AMAQI
27th Aug 2025385 AMAQI
27°C26/30°C
27th Aug 2025386 AMAQI
27th Aug 2025387 AMAQI
27th Aug 2025348 AMAQI
27th Aug 2025419 AMAQI
27th Aug 20254810 AMAQI
27th Aug 20255411 AMAQI
27th Aug 20254612 PMAQI
27th Aug 2025341 PMAQI
27th Aug 2025392 PMAQI
27th Aug 2025383 PMAQI
27th Aug 2025374 PMAQI
27th Aug 2025395 PMAQI
27th Aug 2025426 PMAQI
27th Aug 2025367 PMAQI
27th Aug 2025358 PMAQI
27th Aug 2025479 PMAQI
27th Aug 20253810 PMAQI
27th Aug 20254511 PMAQI
28th Aug 20254112 AMAQI
28th Aug 2025401 AMAQI
28th Aug 2025402 AMAQI
28th Aug 2025403 AMAQI
28th Aug 2025414 AMAQI
28th Aug 2025385 AMAQI
27°C26/30°C
28th Aug 2025406 AMAQI
28th Aug 2025407 AMAQI
28th Aug 2025548 AMAQI
28th Aug 2025569 AMAQI
28th Aug 20255610 AMAQI
28th Aug 20255111 AMAQI
28th Aug 20255012 PMAQI
28th Aug 2025501 PMAQI
28th Aug 2025482 PMAQI
28th Aug 2025513 PMAQI
28th Aug 2025564 PMAQI
28th Aug 2025555 PMAQI
28th Aug 2025526 PMAQI
28th Aug 2025447 PMAQI
28th Aug 2025378 PMAQI
28th Aug 2025389 PMAQI
28th Aug 20253810 PMAQI
28th Aug 20253811 PMAQI
29th Aug 20253612 AMAQI
29th Aug 2025441 AMAQI
29th Aug 2025432 AMAQI
29th Aug 2025443 AMAQI
29th Aug 2025464 AMAQI
29th Aug 2025455 AMAQI
27°C25/29°C
29th Aug 2025456 AMAQI
29th Aug 2025467 AMAQI
29th Aug 2025568 AMAQI
29th Aug 2025449 AMAQI
29th Aug 20254510 AMAQI
29th Aug 20254911 AMAQI
29th Aug 20254812 PMAQI
29th Aug 2025421 PMAQI
29th Aug 2025462 PMAQI
29th Aug 2025433 PMAQI
29th Aug 2025504 PMAQI
29th Aug 2025445 PMAQI
29th Aug 2025536 PMAQI
29th Aug 2025497 PMAQI
29th Aug 2025458 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 2025473 AMAQI
30th Aug 2025464 AMAQI
30th Aug 2025455 AMAQI
27°C26/28°C
30th Aug 2025436 AMAQI
30th Aug 2025467 AMAQI
30th Aug 2025208 AMAQI
30th Aug 2025249 AMAQI
30th Aug 20252110 AMAQI
30th Aug 20252611 AMAQI
30th Aug 20252612 PMAQI
30th Aug 2025321 PMAQI
30th Aug 2025282 PMAQI
30th Aug 2025363 PMAQI
30th Aug 2025334 PMAQI
30th Aug 2025405 PMAQI
30th Aug 2025376 PMAQI
30th Aug 2025427 PMAQI
30th Aug 2025418 PMAQI
30th Aug 2025439 PMAQI
30th Aug 20253610 PMAQI
30th Aug 20253811 PMAQI
31st Aug 20254112 AMAQI
31st Aug 2025441 AMAQI
31st Aug 2025482 AMAQI
31st Aug 2025433 AMAQI
31st Aug 2025424 AMAQI
31st Aug 2025435 AMAQI
27°C26/28°C
31st Aug 2025426 AMAQI
31st Aug 2025427 AMAQI
31st Aug 2025258 AMAQI
31st Aug 2025279 AMAQI
31st Aug 20252410 AMAQI
31st Aug 20252411 AMAQI
31st Aug 20253012 PMAQI
31st Aug 2025381 PMAQI
31st Aug 2025302 PMAQI
31st Aug 2025313 PMAQI
31st Aug 2025344 PMAQI
31st Aug 2025325 PMAQI
31st Aug 2025306 PMAQI
31st Aug 2025327 PMAQI
31st Aug 2025348 PMAQI
31st Aug 2025369 PMAQI
31st Aug 20254110 PMAQI
31st Aug 20253711 PMAQI
1st Sep 20253612 AMAQI
1st Sep 2025421 AMAQI
1st Sep 2025442 AMAQI
1st Sep 2025443 AMAQI
1st Sep 2025414 AMAQI
1st Sep 2025445 AMAQI
27°C26/29°C
1st Sep 2025466 AMAQI
1st Sep 2025467 AMAQI
1st Sep 2025278 AMAQI
1st Sep 2025249 AMAQI
1st Sep 20253810 AMAQI
1st Sep 20253211 AMAQI
1st Sep 20252712 PMAQI
1st Sep 2025401 PMAQI
1st Sep 2025302 PMAQI
1st Sep 2025303 PMAQI
1st Sep 2025264 PMAQI
1st Sep 2025345 PMAQI
1st Sep 2025366 PMAQI
1st Sep 2025387 PMAQI
1st Sep 2025418 PMAQI
1st Sep 2025369 PMAQI
1st Sep 20253710 PMAQI
1st Sep 20253811 PMAQI
2nd Sep 20253712 AMAQI
2nd Sep 2025431 AMAQI
2nd Sep 2025432 AMAQI
2nd Sep 2025433 AMAQI
2nd Sep 2025424 AMAQI
2nd Sep 2025405 AMAQI
27°C26/30°C
2nd Sep 2025426 AMAQI
2nd Sep 2025447 AMAQI
2nd Sep 2025248 AMAQI
2nd Sep 2025429 AMAQI
2nd Sep 20253610 AMAQI
2nd Sep 20252611 AMAQI
2nd Sep 20252612 PMAQI
2nd Sep 2025281 PMAQI
2nd Sep 2025302 PMAQI
2nd Sep 2025223 PMAQI
2nd Sep 2025284 PMAQI
2nd Sep 2025215 PMAQI
2nd Sep 2025246 PMAQI
2nd Sep 2025327 PMAQI
2nd Sep 2025378 PMAQI
2nd Sep 2025409 PMAQI
2nd Sep 20253610 PMAQI
2nd Sep 20254011 PMAQI
3rd Sep 20254012 AMAQI
3rd Sep 2025421 AMAQI
3rd Sep 2025482 AMAQI
3rd Sep 2025433 AMAQI
3rd Sep 2025414 AMAQI
3rd Sep 2025405 AMAQI
28°C26/30°C
3rd Sep 2025406 AMAQI
3rd Sep 2025407 AMAQI
3rd Sep 2025198 AMAQI
3rd Sep 2025279 AMAQI
3rd Sep 20252610 AMAQI
3rd Sep 20252711 AMAQI
3rd Sep 20252612 PMAQI
3rd Sep 2025301 PMAQI
3rd Sep 2025322 PMAQI
3rd Sep 2025273 PMAQI
3rd Sep 2025374 PMAQI
3rd Sep 2025315 PMAQI
3rd Sep 2025296 PMAQI
3rd Sep 2025367 PMAQI
3rd Sep 2025418 PMAQI
3rd Sep 2025429 PMAQI
3rd Sep 20254110 PMAQI
3rd Sep 20253811 PMAQI
4th Sep 20253612 AMAQI
4th Sep 2025441 AMAQI
4th Sep 2025432 AMAQI
4th Sep 2025423 AMAQI
4th Sep 2025404 AMAQI
4th Sep 2025395 AMAQI
28°C26/30°C
4th Sep 2025396 AMAQI
4th Sep 2025397 AMAQI
4th Sep 2025348 AMAQI
4th Sep 2025489 AMAQI
4th Sep 20254410 AMAQI
4th Sep 20254411 AMAQI
4th Sep 20253312 PMAQI
4th Sep 2025371 PMAQI
4th Sep 2025262 PMAQI
4th Sep 2025223 PMAQI
4th Sep 2025224 PMAQI
4th Sep 2025195 PMAQI
4th Sep 2025236 PMAQI
4th Sep 2025287 PMAQI
4th Sep 2025308 PMAQI
4th Sep 2025339 PMAQI
4th Sep 20253010 PMAQI
4th Sep 20253011 PMAQI
5th Sep 20253812 AMAQI
5th Sep 2025391 AMAQI
5th Sep 2025402 AMAQI
5th Sep 2025383 AMAQI
5th Sep 2025384 AMAQI
5th Sep 2025445 AMAQI
28°C26/30°C
5th Sep 2025406 AMAQI
5th Sep 2025397 AMAQI
5th Sep 2025258 AMAQI
5th Sep 2025289 AMAQI
5th Sep 20252310 AMAQI
5th Sep 20252811 AMAQI
5th Sep 20252512 PMAQI
5th Sep 2025281 PMAQI
5th Sep 2025292 PMAQI
5th Sep 2025223 PMAQI
5th Sep 2025184 PMAQI
5th Sep 2025235 PMAQI
5th Sep 2025246 PMAQI
5th Sep 2025247 PMAQI
5th Sep 2025288 PMAQI
5th Sep 2025319 PMAQI
5th Sep 20253210 PMAQI
5th Sep 20252811 PMAQI
6th Sep 20252612 AMAQI
6th Sep 2025321 AMAQI
6th Sep 2025332 AMAQI
6th Sep 2025333 AMAQI
6th Sep 2025324 AMAQI
6th Sep 2025345 AMAQI
28°C26/30°C
6th Sep 2025336 AMAQI
6th Sep 2025347 AMAQI
6th Sep 2025238 AMAQI
6th Sep 2025289 AMAQI
6th Sep 20252210 AMAQI
6th Sep 20252011 AMAQI
6th Sep 20252012 PMAQI
6th Sep 2025221 PMAQI
6th Sep 2025282 PMAQI
6th Sep 2025293 PMAQI
6th Sep 2025234 PMAQI
6th Sep 2025285 PMAQI
6th Sep 2025236 PMAQI
6th Sep 2025287 PMAQI
6th Sep 2025288 PMAQI
6th Sep 2025339 PMAQI
6th Sep 20253210 PMAQI
6th Sep 20253211 PMAQI
7th Sep 20253112 AMAQI
7th Sep 2025321 AMAQI
7th Sep 2025342 AMAQI
7th Sep 2025343 AMAQI
7th Sep 2025324 AMAQI
7th Sep 2025305 AMAQI
28°C26/31°C
7th Sep 2025316 AMAQI
7th Sep 2025327 AMAQI
7th Sep 2025468 AMAQI
7th Sep 2025549 AMAQI
7th Sep 20255010 AMAQI
7th Sep 20255411 AMAQI
7th Sep 20254812 PMAQI
7th Sep 2025561 PMAQI
7th Sep 2025552 PMAQI
7th Sep 2025533 PMAQI
7th Sep 2025524 PMAQI
7th Sep 2025435 PMAQI
7th Sep 2025496 PMAQI
7th Sep 2025437 PMAQI
7th Sep 2025418 PMAQI
7th Sep 2025429 PMAQI
7th Sep 20254510 PMAQI
7th Sep 20254411 PMAQI
8th Sep 20254012 AMAQI
8th Sep 2025331 AMAQI
8th Sep 2025312 AMAQI
8th Sep 2025363 AMAQI
8th Sep 2025384 AMAQI
8th Sep 2025385 AMAQI
28°C26/30°C
8th Sep 2025376 AMAQI
8th Sep 2025387 AMAQI
8th Sep 2025378 AMAQI
8th Sep 2025289 AMAQI
8th Sep 20253210 AMAQI
8th Sep 20253311 AMAQI
8th Sep 20252912 PMAQI
8th Sep 2025401 PMAQI
8th Sep 2025362 PMAQI
8th Sep 2025313 PMAQI
8th Sep 2025284 PMAQI
8th Sep 2025295 PMAQI
8th Sep 2025436 PMAQI
8th Sep 2025427 PMAQI
8th Sep 2025418 PMAQI
8th Sep 2025479 PMAQI
8th Sep 20254610 PMAQI
8th Sep 20254011 PMAQI
9th Sep 20253812 AMAQI
9th Sep 2025401 AMAQI
9th Sep 2025382 AMAQI
9th Sep 2025383 AMAQI
9th Sep 2025404 AMAQI
9th Sep 2025385 AMAQI
27°C25/29°C
9th Sep 2025376 AMAQI
9th Sep 2025377 AMAQI
9th Sep 2025288 AMAQI
9th Sep 2025279 AMAQI
9th Sep 20253610 AMAQI
9th Sep 20253411 AMAQI
9th Sep 20252912 PMAQI
9th Sep 2025351 PMAQI
9th Sep 2025302 PMAQI
9th Sep 2025323 PMAQI
9th Sep 2025314 PMAQI
9th Sep 2025345 PMAQI
9th Sep 2025326 PMAQI
9th Sep 2025387 PMAQI
9th Sep 2025368 PMAQI
9th Sep 2025349 PMAQI
9th Sep 20253610 PMAQI
9th Sep 20253411 PMAQI
10th Sep 20253812 AMAQI
10th Sep 2025441 AMAQI
10th Sep 2025412 AMAQI
10th Sep 2025393 AMAQI
10th Sep 2025374 AMAQI
10th Sep 2025365 AMAQI
28°C25/32°C
10th Sep 2025376 AMAQI
10th Sep 2025377 AMAQI
10th Sep 2025238 AMAQI
10th Sep 2025229 AMAQI
10th Sep 20253410 AMAQI
10th Sep 20252811 AMAQI
10th Sep 20252912 PMAQI
10th Sep 2025311 PMAQI
10th Sep 2025362 PMAQI
10th Sep 2025303 PMAQI
10th Sep 2025284 PMAQI
10th Sep 2025245 PMAQI
10th Sep 2025256 PMAQI
10th Sep 2025327 PMAQI
10th Sep 2025368 PMAQI
10th Sep 2025369 PMAQI
10th Sep 20253310 PMAQI
10th Sep 20253211 PMAQI
11th Sep 20253712 AMAQI
11th Sep 2025381 AMAQI
11th Sep 2025382 AMAQI
11th Sep 2025393 AMAQI
11th Sep 2025384 AMAQI
11th Sep 2025375 AMAQI
27°C26/30°C
11th Sep 2025366 AMAQI
11th Sep 2025377 AMAQI
11th Sep 2025218 AMAQI
11th Sep 2025249 AMAQI
11th Sep 20252210 AMAQI
11th Sep 20253311 AMAQI
11th Sep 20252612 PMAQI
11th Sep 2025331 PMAQI
11th Sep 2025302 PMAQI
11th Sep 2025283 PMAQI
11th Sep 2025264 PMAQI
11th Sep 2025245 PMAQI
11th Sep 2025316 PMAQI
11th Sep 2025347 PMAQI
11th Sep 2025318 PMAQI
11th Sep 2025339 PMAQI
11th Sep 20253310 PMAQI
11th Sep 20253211 PMAQI
12th Sep 20253312 AMAQI
12th Sep 2025391 AMAQI
12th Sep 2025392 AMAQI
12th Sep 2025373 AMAQI
12th Sep 2025374 AMAQI
12th Sep 2025365 AMAQI
28°C26/32°C
12th Sep 2025386 AMAQI
12th Sep 2025407 AMAQI
12th Sep 2025228 AMAQI
12th Sep 2025279 AMAQI
12th Sep 20252510 AMAQI
12th Sep 20253011 AMAQI
12th Sep 20252912 PMAQI
12th Sep 2025281 PMAQI
12th Sep 2025302 PMAQI
12th Sep 2025223 PMAQI
12th Sep 2025204 PMAQI
12th Sep 2025255 PMAQI
12th Sep 2025326 PMAQI
12th Sep 2025287 PMAQI
12th Sep 2025328 PMAQI
12th Sep 2025349 PMAQI
12th Sep 20253210 PMAQI
12th Sep 20253411 PMAQI
13th Sep 20253312 AMAQI
13th Sep 2025391 AMAQI
13th Sep 2025372 AMAQI
13th Sep 2025363 AMAQI
13th Sep 2025364 AMAQI
13th Sep 2025365 AMAQI
28°C25/30°C
13th Sep 2025356 AMAQI
13th Sep 2025357 AMAQI
13th Sep 2025208 AMAQI
13th Sep 2025209 AMAQI
13th Sep 20252110 AMAQI
13th Sep 20252211 AMAQI
13th Sep 20252812 PMAQI
13th Sep 2025331 PMAQI
13th Sep 2025242 PMAQI
13th Sep 2025263 PMAQI
13th Sep 2025214 PMAQI
13th Sep 2025255 PMAQI
13th Sep 2025236 PMAQI
13th Sep 2025347 PMAQI
13th Sep 2025318 PMAQI
13th Sep 2025359 PMAQI
13th Sep 20253210 PMAQI
13th Sep 20252911 PMAQI
14th Sep 20252812 AMAQI
14th Sep 2025361 AMAQI
14th Sep 2025372 AMAQI
14th Sep 2025343 AMAQI
14th Sep 2025344 AMAQI
14th Sep 2025345 AMAQI
28°C26/30°C
14th Sep 2025346 AMAQI
14th Sep 2025367 AMAQI
14th Sep 2025268 AMAQI
14th Sep 2025149 AMAQI
14th Sep 20252010 AMAQI
14th Sep 20252311 AMAQI
14th Sep 20252212 PMAQI
14th Sep 2025251 PMAQI
14th Sep 2025312 PMAQI
14th Sep 2025253 PMAQI
14th Sep 2025214 PMAQI
14th Sep 2025215 PMAQI
14th Sep 2025216 PMAQI
14th Sep 2025257 PMAQI
14th Sep 2025288 PMAQI
14th Sep 2025359 PMAQI
14th Sep 20253010 PMAQI
14th Sep 20253011 PMAQI
15th Sep 20253212 AMAQI
15th Sep 2025341 AMAQI
15th Sep 2025342 AMAQI
15th Sep 2025323 AMAQI
15th Sep 2025314 AMAQI
15th Sep 2025315 AMAQI
28°C25/31°C
15th Sep 2025326 AMAQI
15th Sep 2025327 AMAQI
15th Sep 2025268 AMAQI
15th Sep 2025289 AMAQI
15th Sep 20253410 AMAQI
15th Sep 20253411 AMAQI
15th Sep 20252412 PMAQI
15th Sep 2025251 PMAQI
15th Sep 2025252 PMAQI
15th Sep 2025203 PMAQI
15th Sep 2025204 PMAQI
15th Sep 2025215 PMAQI
15th Sep 2025216 PMAQI
15th Sep 2025277 PMAQI
15th Sep 2025318 PMAQI
15th Sep 2025309 PMAQI
15th Sep 20252910 PMAQI
15th Sep 20253211 PMAQI
16th Sep 20253012 AMAQI
16th Sep 2025321 AMAQI
16th Sep 2025342 AMAQI
16th Sep 2025323 AMAQI
16th Sep 2025324 AMAQI
16th Sep 2025335 AMAQI
28°C25/31°C
16th Sep 2025346 AMAQI
16th Sep 2025337 AMAQI
16th Sep 2025238 AMAQI
16th Sep 2025269 AMAQI
16th Sep 20252410 AMAQI
16th Sep 20252611 AMAQI
16th Sep 20252612 PMAQI
16th Sep 2025251 PMAQI
16th Sep 2025242 PMAQI
16th Sep 2025203 PMAQI
16th Sep 2025214 PMAQI
16th Sep 2025285 PMAQI
16th Sep 2025206 PMAQI
16th Sep 2025247 PMAQI
16th Sep 2025308 PMAQI
16th Sep 2025309 PMAQI
16th Sep 20252810 PMAQI
16th Sep 20252811 PMAQI
17th Sep 20252912 AMAQI
17th Sep 2025321 AMAQI
17th Sep 2025322 AMAQI
17th Sep 2025323 AMAQI
17th Sep 2025324 AMAQI
17th Sep 2025325 AMAQI
27°C26/30°C
17th Sep 2025326 AMAQI
17th Sep 2025327 AMAQI
17th Sep 2025228 AMAQI
17th Sep 2025219 AMAQI
17th Sep 20252310 AMAQI
17th Sep 20252211 AMAQI
17th Sep 20252012 PMAQI
17th Sep 2025301 PMAQI
17th Sep 2025232 PMAQI
17th Sep 2025253 PMAQI
17th Sep 2025244 PMAQI
17th Sep 2025295 PMAQI
17th Sep 2025256 PMAQI
17th Sep 2025307 PMAQI
17th Sep 2025298 PMAQI
17th Sep 2025329 PMAQI
17th Sep 20253210 PMAQI
17th Sep 20253011 PMAQI
18th Sep 20252812 AMAQI
18th Sep 2025321 AMAQI
18th Sep 2025332 AMAQI
18th Sep 2025323 AMAQI
18th Sep 2025324 AMAQI
18th Sep 2025325 AMAQI
28°C26/31°C
18th Sep 2025306 AMAQI
18th Sep 2025317 AMAQI
18th Sep 2025368 AMAQI
18th Sep 2025389 AMAQI
18th Sep 20252910 AMAQI
18th Sep 20253011 AMAQI
18th Sep 20254012 PMAQI
18th Sep 2025341 PMAQI
18th Sep 2025282 PMAQI
18th Sep 2025253 PMAQI
18th Sep 2025254 PMAQI
18th Sep 2025235 PMAQI
18th Sep 2025276 PMAQI
18th Sep 2025327 PMAQI
18th Sep 2025338 PMAQI
18th Sep 2025339 PMAQI
18th Sep 20253410 PMAQI
18th Sep 20253211 PMAQI
19th Sep 20253212 AMAQI
19th Sep 2025301 AMAQI
19th Sep 2025282 AMAQI
19th Sep 2025243 AMAQI
19th Sep 2025234 AMAQI
19th Sep 2025225 AMAQI
28°C26/29°C
19th Sep 2025306 AMAQI
19th Sep 2025327 AMAQI
19th Sep 2025298 AMAQI
19th Sep 2025289 AMAQI
19th Sep 20252710 AMAQI
19th Sep 20252611 AMAQI
19th Sep 20253012 PMAQI
19th Sep 2025301 PMAQI
19th Sep 2025332 PMAQI
19th Sep 2025313 PMAQI
19th Sep 2025244 PMAQI
19th Sep 2025225 PMAQI
19th Sep 2025226 PMAQI
19th Sep 2025247 PMAQI
19th Sep 2025288 PMAQI
19th Sep 2025309 PMAQI
19th Sep 20253210 PMAQI
19th Sep 20253711 PMAQI
20th Sep 20254112 AMAQI
20th Sep 2025331 AMAQI
20th Sep 2025332 AMAQI
20th Sep 2025353 AMAQI
20th Sep 2025374 AMAQI
20th Sep 2025365 AMAQI
28°C26/31°C
20th Sep 2025366 AMAQI
20th Sep 2025367 AMAQI
20th Sep 2025348 AMAQI
20th Sep 2025399 AMAQI
20th Sep 20253810 AMAQI
20th Sep 20253811 AMAQI
20th Sep 20253412 PMAQI
20th Sep 2025391 PMAQI
20th Sep 2025362 PMAQI
20th Sep 2025403 PMAQI
20th Sep 2025334 PMAQI
20th Sep 2025325 PMAQI
20th Sep 2025326 PMAQI
20th Sep 2025377 PMAQI
20th Sep 2025378 PMAQI
20th Sep 2025449 PMAQI
20th Sep 20254810 PMAQI
20th Sep 20254911 PMAQI
21st Sep 20253912 AMAQI
21st Sep 2025361 AMAQI
21st Sep 2025362 AMAQI
21st Sep 2025373 AMAQI
21st Sep 2025374 AMAQI
21st Sep 2025345 AMAQI
28°C26/30°C
21st Sep 2025356 AMAQI
21st Sep 2025367 AMAQI
21st Sep 2025398 AMAQI
21st Sep 2025369 AMAQI
21st Sep 20253810 AMAQI
21st Sep 20253211 AMAQI
21st Sep 20253012 PMAQI
21st Sep 2025381 PMAQI
21st Sep 2025382 PMAQI
21st Sep 2025393 PMAQI
21st Sep 2025414 PMAQI
21st Sep 2025415 PMAQI
21st Sep 2025376 PMAQI
21st Sep 2025357 PMAQI
21st Sep 2025388 PMAQI
21st Sep 2025409 PMAQI
21st Sep 20254110 PMAQI
21st Sep 20253811 PMAQI
22nd Sep 20253712 AMAQI
22nd Sep 2025341 AMAQI
22nd Sep 2025352 AMAQI
22nd Sep 2025343 AMAQI
22nd Sep 2025354 AMAQI
22nd Sep 2025385 AMAQI
28°C26/31°C
22nd Sep 2025376 AMAQI
6 AM22nd Sep 2025387 AMAQI
22nd Sep 2025328 AMAQI
22nd Sep 2025309 AMAQI
22nd Sep 20252910 AMAQI
22nd Sep 20252711 AMAQI
22nd Sep 20252612 PMAQI
12 PM22nd Sep 2025281 PMAQI
22nd Sep 2025282 PMAQI
22nd Sep 2025283 PMAQI
22nd Sep 2025274 PMAQI
22nd Sep 2025285 PMAQI
22nd Sep 2025286 PMAQI
6 PM22nd Sep 2025327 PMAQI
22nd Sep 2025298 PMAQI
22nd Sep 2025339 PMAQI
22nd Sep 20252810 PMAQI
22nd Sep 20254011 PMAQI
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
8 AM
30AQI
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 8 AM to 8 AM (Avg. 30).
Night time
Avg. Highest Time
1 AM - 5 AM
37AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
7 PM - 8 PM
35AQI
2 hours / Day
60 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 8 PM (Avg. 35).
2025 Days Vs Air Quality
Zhongzhai Port, Haikou, Hainan, China
2025
45%
119
51%
135
4%
10
Total number of days with different AQI categories in last 265 days in 2025 (100 days remaining)
Good
119 DaysModerate
135 DaysPoor
10 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 45%
Health Risk Level:
Significant
In 2025, 45% of 265 days were within WHO’s safe air quality limits, and 55% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Zhongzhai Port, 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
112AQI
112AQI
2nd January 2025
95AQI
95AQI
3rd January 2025
104AQI
104AQI
4th January 2025
91AQI
91AQI
5th January 2025
105AQI
105AQI
6th January 2025
117AQI
117AQI
7th January 2025
91AQI
91AQI
8th January 2025
92AQI
92AQI
9th January 2025
121AQI
121AQI
10th January 2025
108AQI
108AQI
11th January 2025
90AQI
90AQI
12th January 2025
82AQI
82AQI
13th January 2025
78AQI
78AQI
14th January 2025
74AQI
74AQI
15th January 2025
80AQI
80AQI
16th January 2025
96AQI
96AQI
17th January 2025
86AQI
86AQI
18th January 2025
86AQI
86AQI
19th January 2025
90AQI
90AQI
20th January 2025
94AQI
94AQI
21st January 2025
79AQI
79AQI
22nd January 2025
90AQI
90AQI
23rd January 2025
79AQI
79AQI
24th January 2025
66AQI
66AQI
25th January 2025
64AQI
64AQI
26th January 2025
58AQI
58AQI
27th January 2025
59AQI
59AQI
28th January 2025
63AQI
63AQI
29th January 2025
87AQI
87AQI
30th January 2025
68AQI
68AQI
31st January 2025
70AQI
70AQI
1st February 2025
55AQI
55AQI
2nd February 2025
49AQI
49AQI
3rd February 2025
60AQI
60AQI
4th February 2025
53AQI
53AQI
5th February 2025
61AQI
61AQI
6th February 2025
60AQI
60AQI
7th February 2025
71AQI
71AQI
8th February 2025
60AQI
60AQI
9th February 2025
69AQI
69AQI
10th February 2025
61AQI
61AQI
11th February 2025
60AQI
60AQI
12th February 2025
57AQI
57AQI
13th February 2025
69AQI
69AQI
14th February 2025
52AQI
52AQI
15th February 2025
72AQI
72AQI
16th February 2025
47AQI
47AQI
17th February 2025
66AQI
66AQI
18th February 2025
82AQI
82AQI
19th February 2025
70AQI
70AQI
20th February 2025
71AQI
71AQI
21st February 2025
62AQI
62AQI
22nd February 2025
50AQI
50AQI
23rd February 2025
68AQI
68AQI
24th February 2025
51AQI
51AQI
25th February 2025
66AQI
66AQI
26th February 2025
76AQI
76AQI
27th February 2025
66AQI
66AQI
28th February 2025
61AQI
61AQI
1st March 2025
60AQI
60AQI
2nd March 2025
57AQI
57AQI
3rd March 2025
59AQI
59AQI
4th March 2025
52AQI
52AQI
5th March 2025
53AQI
53AQI
6th March 2025
33AQI
33AQI
7th March 2025
45AQI
45AQI
8th March 2025
50AQI
50AQI
9th March 2025
63AQI
63AQI
10th March 2025
64AQI
64AQI
11th March 2025
61AQI
61AQI
12th March 2025
55AQI
55AQI
13th March 2025
53AQI
53AQI
14th March 2025
45AQI
45AQI
15th March 2025
57AQI
57AQI
16th March 2025
46AQI
46AQI
17th March 2025
68AQI
68AQI
18th March 2025
72AQI
72AQI
19th March 2025
79AQI
79AQI
20th March 2025
79AQI
79AQI
21st March 2025
82AQI
82AQI
22nd March 2025
77AQI
77AQI
23rd March 2025
72AQI
72AQI
24th March 2025
72AQI
72AQI
25th March 2025
74AQI
74AQI
26th March 2025
63AQI
63AQI
27th March 2025
62AQI
62AQI
28th March 2025
61AQI
61AQI
29th March 2025
52AQI
52AQI
30th March 2025
33AQI
33AQI
31st March 2025
42AQI
42AQI
1st April 2025
46AQI
46AQI
2nd April 2025
66AQI
66AQI
3rd April 2025
53AQI
53AQI
4th April 2025
58AQI
58AQI
5th April 2025
60AQI
60AQI
6th April 2025
61AQI
61AQI
7th April 2025
69AQI
69AQI
8th April 2025
59AQI
59AQI
9th April 2025
62AQI
62AQI
10th April 2025
61AQI
61AQI
11th April 2025
58AQI
58AQI
12th April 2025
67AQI
67AQI
13th April 2025
130AQI
130AQI
14th April 2025
132AQI
132AQI
15th April 2025
128AQI
128AQI
16th April 2025
104AQI
104AQI
17th April 2025
95AQI
95AQI
18th April 2025
72AQI
72AQI
19th April 2025
64AQI
64AQI
20th April 2025
61AQI
61AQI
21st April 2025
60AQI
60AQI
22nd April 2025
65AQI
65AQI
23rd April 2025
62AQI
62AQI
24th April 2025
61AQI
61AQI
25th April 2025
54AQI
54AQI
26th April 2025
50AQI
50AQI
27th April 2025
44AQI
44AQI
28th April 2025
52AQI
52AQI
29th April 2025
58AQI
58AQI
30th April 2025
59AQI
59AQI
1st May 2025
53AQI
53AQI
2nd May 2025
60AQI
60AQI
3rd May 2025
61AQI
61AQI
4th May 2025
57AQI
57AQI
5th May 2025
53AQI
53AQI
6th May 2025
58AQI
58AQI
7th May 2025
57AQI
57AQI
8th May 2025
53AQI
53AQI
9th May 2025
52AQI
52AQI
10th May 2025
53AQI
53AQI
11th May 2025
58AQI
58AQI
12th May 2025
60AQI
60AQI
13th May 2025
56AQI
56AQI
14th May 2025
46AQI
46AQI
15th May 2025
49AQI
49AQI
16th May 2025
38AQI
38AQI
17th May 2025
42AQI
42AQI
18th May 2025
48AQI
48AQI
19th May 2025
50AQI
50AQI
20th May 2025
51AQI
51AQI
21st May 2025
51AQI
51AQI
22nd May 2025
47AQI
47AQI
23rd May 2025
43AQI
43AQI
24th May 2025
43AQI
43AQI
25th May 2025
52AQI
52AQI
26th May 2025
66AQI
66AQI
27th May 2025
55AQI
55AQI
28th May 2025
52AQI
52AQI
29th May 2025
48AQI
48AQI
30th May 2025
48AQI
48AQI
31st May 2025
44AQI
44AQI
1st June 2025
49AQI
49AQI
2nd June 2025
50AQI
50AQI
3rd June 2025
55AQI
55AQI
4th June 2025
56AQI
56AQI
5th June 2025
50AQI
50AQI
6th June 2025
48AQI
48AQI
7th June 2025
50AQI
50AQI
8th June 2025
49AQI
49AQI
9th June 2025
53AQI
53AQI
10th June 2025
55AQI
55AQI
11th June 2025
47AQI
47AQI
12th June 2025
41AQI
41AQI
13th June 2025
38AQI
38AQI
14th June 2025
39AQI
39AQI
15th June 2025
42AQI
42AQI
16th June 2025
45AQI
45AQI
17th June 2025
47AQI
47AQI
18th June 2025
43AQI
43AQI
19th June 2025
39AQI
39AQI
20th June 2025
38AQI
38AQI
21st June 2025
45AQI
45AQI
22nd June 2025
66AQI
66AQI
23rd June 2025
40AQI
40AQI
24th June 2025
33AQI
33AQI
25th June 2025
32AQI
32AQI
26th June 2025
27AQI
27AQI
27th June 2025
27AQI
27AQI
28th June 2025
30AQI
30AQI
29th June 2025
30AQI
30AQI
30th June 2025
32AQI
32AQI
1st July 2025
30AQI
30AQI
2nd July 2025
28AQI
28AQI
3rd July 2025
31AQI
31AQI
4th July 2025
31AQI
31AQI
5th July 2025
36AQI
36AQI
6th July 2025
37AQI
37AQI
7th July 2025
37AQI
37AQI
8th July 2025
41AQI
41AQI
9th July 2025
45AQI
45AQI
10th July 2025
46AQI
46AQI
11th July 2025
50AQI
50AQI
12th July 2025
48AQI
48AQI
13th July 2025
51AQI
51AQI
14th July 2025
52AQI
52AQI
15th July 2025
54AQI
54AQI
16th July 2025
52AQI
52AQI
17th July 2025
53AQI
53AQI
18th July 2025
52AQI
52AQI
19th July 2025
47AQI
47AQI
20th July 2025
42AQI
42AQI
21st July 2025
40AQI
40AQI
22nd July 2025
40AQI
40AQI
23rd July 2025
40AQI
40AQI
24th July 2025
38AQI
38AQI
25th July 2025
44AQI
44AQI
26th July 2025
42AQI
42AQI
27th July 2025
45AQI
45AQI
28th July 2025
41AQI
41AQI
29th July 2025
40AQI
40AQI
30th July 2025
41AQI
41AQI
31st July 2025
49AQI
49AQI
1st August 2025
53AQI
53AQI
2nd August 2025
53AQI
53AQI
3rd August 2025
56AQI
56AQI
4th August 2025
58AQI
58AQI
5th August 2025
56AQI
56AQI
6th August 2025
53AQI
53AQI
7th August 2025
53AQI
53AQI
8th August 2025
49AQI
49AQI
9th August 2025
52AQI
52AQI
10th August 2025
47AQI
47AQI
11th August 2025
46AQI
46AQI
12th August 2025
45AQI
45AQI
13th August 2025
46AQI
46AQI
14th August 2025
45AQI
45AQI
15th August 2025
34AQI
34AQI
16th August 2025
33AQI
33AQI
17th August 2025
31AQI
31AQI
18th August 2025
29AQI
29AQI
19th August 2025
36AQI
36AQI
20th August 2025
36AQI
36AQI
21st August 2025
34AQI
34AQI
22nd August 2025
39AQI
39AQI
23rd August 2025
40AQI
40AQI
24th August 2025
36AQI
36AQI
25th August 2025
34AQI
34AQI
26th August 2025
34AQI
34AQI
27th August 2025
40AQI
40AQI
28th August 2025
45AQI
45AQI
29th August 2025
44AQI
44AQI
30th August 2025
38AQI
38AQI
31st August 2025
36AQI
36AQI
1st September 2025
37AQI
37AQI
2nd September 2025
35AQI
35AQI
3rd September 2025
36AQI
36AQI
4th September 2025
33AQI
33AQI
5th September 2025
31AQI
31AQI
6th September 2025
29AQI
29AQI
7th September 2025
42AQI
42AQI
8th September 2025
37AQI
37AQI
9th September 2025
35AQI
35AQI
10th September 2025
33AQI
33AQI
11th September 2025
32AQI
32AQI
12th September 2025
32AQI
32AQI
13th September 2025
30AQI
30AQI
14th September 2025
28AQI
28AQI
15th September 2025
29AQI
29AQI
16th September 2025
28AQI
28AQI
17th September 2025
29AQI
29AQI
18th September 2025
31AQI
31AQI
19th September 2025
28AQI
28AQI
20th September 2025
37AQI
37AQI
21st September 2025
37AQI
37AQI
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
86AQI
62AQI
59AQI
69AQI
52AQI
43AQI
43AQI
43AQI
33AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202555AQI
25
6
3
25
7
24
3
23
4
12
19
25
5
25
6
23
8
21
119
135
10
Highest AQI recorded in
January86AQI
Lowest AQI recorded in
September33AQI
202456AQI
1
15
12
23
7
31
28
3
23
6
6
19
6
1
27
2
25
6
125
102
14
Highest AQI recorded in
December85AQI
Lowest AQI recorded in
July30AQI
202357AQI
6
14
1
16
10
2
14
13
1
12
12
12
3
2
1
7
21
3
67
75
8
Highest AQI recorded in
November87AQI
Lowest AQI recorded in
May39AQI
202267AQI
1
10
1
1
10
1
Highest AQI recorded in
January67AQI
Lowest AQI recorded in
January67AQI
202150AQI
18
13
5
19
1
18
12
1
23
7
24
7
23
7
25
6
28
3
27
3
25
6
13
16
1
1
28
2
212
132
18
Highest AQI recorded in
January91AQI
Lowest AQI recorded in
August31AQI
202047AQI
11
2
11
10
11
7
30
31
26
5
28
1
1
10
21
10
16
4
1
21
9
169
83
14
Highest AQI recorded in
December86AQI
Lowest AQI recorded in
June26AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
67AQILeast Polluted Year Recorded
2020(Avg.)
47AQIZhongzhai Port's annual 2025 AQI (55) shows an average percentage change of 1.6% (worsened AQI) compared to previous years: 2020 (47), 2021 (50), 2022 (67), 2023 (57), 2024 (56).
