Longhua Road Epa Dormitory, 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
Longhua Road Epa Dormitory, Haikou, Hainan, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
6th Sep 2022
103AQILowest AQI recorded on
8th Sep 2021
12AQISame Day Analysis (20th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 37 of Good air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 20th Sep - 21st Sep 2025
Longhua Road Epa Dormitory, Haikou, Hainan, China
AQI
Day
Night
.
6 AM20th Sep 2025
6 PM
5 AM21st Sep 2025
Day time
Avg. Highest Time
2PM20th Sep
46AQI
Avg. Lowest Time
8AM20th Sep
31AQI
Night time
Avg. Highest Time
11PM20th Sep
56AQI
Avg. Lowest Time
5AM21st Sep
35AQI
In the last 24 hours,
Longhua Road Epa Dormitory's AQI reached its highest point of 56 at 11 PM during the Night, while the lowest point, 31, was recorded at 8 AM during the Day between 20th Sep and 21st Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Longhua Road Epa Dormitory, Haikou, Hainan, China
AugSep
22nd - 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 - 21st21st
Day
Night
22nd Aug 2025376 AMAQI
22nd Aug 2025387 AMAQI
22nd Aug 2025338 AMAQI
22nd Aug 2025289 AMAQI
22nd Aug 20252410 AMAQI
22nd Aug 20253211 AMAQI
22nd Aug 20254212 PMAQI
22nd Aug 2025341 PMAQI
22nd Aug 2025292 PMAQI
22nd Aug 2025313 PMAQI
22nd Aug 2025294 PMAQI
22nd Aug 2025365 PMAQI
22nd Aug 2025336 PMAQI
22nd Aug 2025437 PMAQI
22nd Aug 2025448 PMAQI
22nd Aug 2025459 PMAQI
22nd Aug 20254010 PMAQI
22nd Aug 20253611 PMAQI
23rd Aug 20254112 AMAQI
23rd Aug 2025401 AMAQI
23rd Aug 2025402 AMAQI
23rd Aug 2025383 AMAQI
23rd Aug 2025374 AMAQI
23rd Aug 2025375 AMAQI
29°C26/32°C
23rd Aug 2025386 AMAQI
23rd Aug 2025387 AMAQI
23rd Aug 2025358 AMAQI
23rd Aug 2025389 AMAQI
23rd Aug 20253210 AMAQI
23rd Aug 20254311 AMAQI
23rd Aug 20253812 PMAQI
23rd Aug 2025381 PMAQI
23rd Aug 2025292 PMAQI
23rd Aug 2025303 PMAQI
23rd Aug 2025304 PMAQI
23rd Aug 2025305 PMAQI
23rd Aug 2025306 PMAQI
23rd Aug 2025367 PMAQI
23rd Aug 2025378 PMAQI
23rd Aug 2025429 PMAQI
23rd Aug 20254110 PMAQI
23rd Aug 20254511 PMAQI
24th Aug 20254012 AMAQI
24th Aug 2025381 AMAQI
24th Aug 2025402 AMAQI
24th Aug 2025403 AMAQI
24th Aug 2025404 AMAQI
24th Aug 2025415 AMAQI
28°C26/31°C
24th Aug 2025406 AMAQI
24th Aug 2025397 AMAQI
24th Aug 2025458 AMAQI
24th Aug 2025419 AMAQI
24th Aug 20253010 AMAQI
24th Aug 20253011 AMAQI
24th Aug 20253312 PMAQI
24th Aug 2025351 PMAQI
24th Aug 2025332 PMAQI
24th Aug 2025383 PMAQI
24th Aug 2025424 PMAQI
24th Aug 2025405 PMAQI
24th Aug 2025426 PMAQI
24th Aug 2025437 PMAQI
24th Aug 2025458 PMAQI
24th Aug 2025459 PMAQI
24th Aug 20254110 PMAQI
24th Aug 20254211 PMAQI
25th Aug 20254212 AMAQI
25th Aug 2025401 AMAQI
25th Aug 2025392 AMAQI
25th Aug 2025403 AMAQI
25th Aug 2025404 AMAQI
25th Aug 2025415 AMAQI
27°C26/28°C
25th Aug 2025416 AMAQI
25th Aug 2025427 AMAQI
25th Aug 2025268 AMAQI
25th Aug 2025369 AMAQI
25th Aug 20253410 AMAQI
25th Aug 20252411 AMAQI
25th Aug 20253212 PMAQI
25th Aug 2025301 PMAQI
25th Aug 2025352 PMAQI
25th Aug 2025343 PMAQI
25th Aug 2025294 PMAQI
25th Aug 2025305 PMAQI
25th Aug 2025286 PMAQI
25th Aug 2025407 PMAQI
25th Aug 2025368 PMAQI
25th Aug 2025389 PMAQI
25th Aug 20253210 PMAQI
25th Aug 20253211 PMAQI
26th Aug 20253812 AMAQI
26th Aug 2025391 AMAQI
26th Aug 2025422 AMAQI
26th Aug 2025383 AMAQI
26th Aug 2025384 AMAQI
26th Aug 2025395 AMAQI
26°C25/27°C
26th Aug 2025386 AMAQI
26th Aug 2025387 AMAQI
26th Aug 2025318 AMAQI
26th Aug 2025339 AMAQI
26th Aug 20253010 AMAQI
26th Aug 20252811 AMAQI
26th Aug 20253612 PMAQI
26th Aug 2025331 PMAQI
26th Aug 2025332 PMAQI
26th Aug 2025293 PMAQI
26th Aug 2025294 PMAQI
26th Aug 2025235 PMAQI
26th Aug 2025316 PMAQI
26th Aug 2025297 PMAQI
26th Aug 2025348 PMAQI
26th Aug 2025309 PMAQI
26th Aug 20253610 PMAQI
26th Aug 20253211 PMAQI
27th Aug 20253612 AMAQI
27th Aug 2025391 AMAQI
27th Aug 2025422 AMAQI
27th Aug 2025413 AMAQI
27th Aug 2025384 AMAQI
27th Aug 2025385 AMAQI
27°C26/30°C
27th Aug 2025386 AMAQI
27th Aug 2025407 AMAQI
27th Aug 2025438 AMAQI
27th Aug 2025409 AMAQI
27th Aug 20254010 AMAQI
27th Aug 20255011 AMAQI
27th Aug 20255012 PMAQI
27th Aug 2025361 PMAQI
27th Aug 2025402 PMAQI
27th Aug 2025323 PMAQI
27th Aug 2025304 PMAQI
27th Aug 2025375 PMAQI
27th Aug 2025426 PMAQI
27th Aug 2025377 PMAQI
27th Aug 2025358 PMAQI
27th Aug 2025399 PMAQI
27th Aug 20253710 PMAQI
27th Aug 20253711 PMAQI
28th Aug 20254312 AMAQI
28th Aug 2025411 AMAQI
28th Aug 2025422 AMAQI
28th Aug 2025403 AMAQI
28th Aug 2025414 AMAQI
28th Aug 2025385 AMAQI
27°C26/30°C
28th Aug 2025406 AMAQI
28th Aug 2025387 AMAQI
28th Aug 2025478 AMAQI
28th Aug 2025519 AMAQI
28th Aug 20254510 AMAQI
28th Aug 20253211 AMAQI
28th Aug 20254112 PMAQI
28th Aug 2025361 PMAQI
28th Aug 2025422 PMAQI
28th Aug 2025433 PMAQI
28th Aug 2025554 PMAQI
28th Aug 2025545 PMAQI
28th Aug 2025406 PMAQI
28th Aug 2025367 PMAQI
28th Aug 2025358 PMAQI
28th Aug 2025419 PMAQI
28th Aug 20254210 PMAQI
28th Aug 20253811 PMAQI
29th Aug 20254112 AMAQI
29th Aug 2025421 AMAQI
29th Aug 2025442 AMAQI
29th Aug 2025443 AMAQI
29th Aug 2025444 AMAQI
29th Aug 2025455 AMAQI
27°C25/30°C
29th Aug 2025436 AMAQI
29th Aug 2025447 AMAQI
29th Aug 2025498 AMAQI
29th Aug 2025489 AMAQI
29th Aug 20254510 AMAQI
29th Aug 20255611 AMAQI
29th Aug 20255212 PMAQI
29th Aug 2025481 PMAQI
29th Aug 2025512 PMAQI
29th Aug 2025443 PMAQI
29th Aug 2025494 PMAQI
29th Aug 2025425 PMAQI
29th Aug 2025486 PMAQI
29th Aug 2025447 PMAQI
29th Aug 2025448 PMAQI
29th Aug 2025409 PMAQI
29th Aug 20253810 PMAQI
29th Aug 20254311 PMAQI
30th Aug 20254112 AMAQI
30th Aug 2025451 AMAQI
30th Aug 2025452 AMAQI
30th Aug 2025463 AMAQI
30th Aug 2025464 AMAQI
30th Aug 2025475 AMAQI
27°C26/28°C
30th Aug 2025436 AMAQI
30th Aug 2025467 AMAQI
30th Aug 2025308 AMAQI
30th Aug 2025259 AMAQI
30th Aug 20253210 AMAQI
30th Aug 20253611 AMAQI
30th Aug 20254112 PMAQI
30th Aug 2025381 PMAQI
30th Aug 2025362 PMAQI
30th Aug 2025363 PMAQI
30th Aug 2025344 PMAQI
30th Aug 2025355 PMAQI
30th Aug 2025346 PMAQI
30th Aug 2025387 PMAQI
30th Aug 2025428 PMAQI
30th Aug 2025469 PMAQI
30th Aug 20254510 PMAQI
30th Aug 20254811 PMAQI
31st Aug 20254412 AMAQI
31st Aug 2025421 AMAQI
31st Aug 2025472 AMAQI
31st Aug 2025443 AMAQI
31st Aug 2025434 AMAQI
31st Aug 2025445 AMAQI
27°C26/28°C
31st Aug 2025436 AMAQI
31st Aug 2025427 AMAQI
31st Aug 2025338 AMAQI
31st Aug 2025389 AMAQI
31st Aug 20253210 AMAQI
31st Aug 20252811 AMAQI
31st Aug 20253212 PMAQI
31st Aug 2025451 PMAQI
31st Aug 2025452 PMAQI
31st Aug 2025383 PMAQI
31st Aug 2025374 PMAQI
31st Aug 2025275 PMAQI
31st Aug 2025336 PMAQI
31st Aug 2025357 PMAQI
31st Aug 2025388 PMAQI
31st Aug 2025429 PMAQI
31st Aug 20254010 PMAQI
31st Aug 20254111 PMAQI
1st Sep 20253812 AMAQI
1st Sep 2025411 AMAQI
1st Sep 2025452 AMAQI
1st Sep 2025443 AMAQI
1st Sep 2025424 AMAQI
1st Sep 2025445 AMAQI
27°C26/29°C
1st Sep 2025476 AMAQI
1st Sep 2025487 AMAQI
1st Sep 2025318 AMAQI
1st Sep 2025309 AMAQI
1st Sep 20253910 AMAQI
1st Sep 20253411 AMAQI
1st Sep 20253612 PMAQI
1st Sep 2025361 PMAQI
1st Sep 2025322 PMAQI
1st Sep 2025253 PMAQI
1st Sep 2025284 PMAQI
1st Sep 2025285 PMAQI
1st Sep 2025366 PMAQI
1st Sep 2025407 PMAQI
1st Sep 2025438 PMAQI
1st Sep 2025369 PMAQI
1st Sep 20254010 PMAQI
1st Sep 20254111 PMAQI
2nd Sep 20254212 AMAQI
2nd Sep 2025441 AMAQI
2nd Sep 2025422 AMAQI
2nd Sep 2025433 AMAQI
2nd Sep 2025424 AMAQI
2nd Sep 2025415 AMAQI
27°C26/30°C
2nd Sep 2025426 AMAQI
2nd Sep 2025447 AMAQI
2nd Sep 2025398 AMAQI
2nd Sep 2025399 AMAQI
2nd Sep 20253410 AMAQI
2nd Sep 20253411 AMAQI
2nd Sep 20253412 PMAQI
2nd Sep 2025341 PMAQI
2nd Sep 2025342 PMAQI
2nd Sep 2025323 PMAQI
2nd Sep 2025294 PMAQI
2nd Sep 2025235 PMAQI
2nd Sep 2025276 PMAQI
2nd Sep 2025397 PMAQI
2nd Sep 2025448 PMAQI
2nd Sep 2025419 PMAQI
2nd Sep 20254010 PMAQI
2nd Sep 20254411 PMAQI
3rd Sep 20253512 AMAQI
3rd Sep 2025431 AMAQI
3rd Sep 2025472 AMAQI
3rd Sep 2025443 AMAQI
3rd Sep 2025414 AMAQI
3rd Sep 2025425 AMAQI
28°C26/30°C
3rd Sep 2025406 AMAQI
3rd Sep 2025427 AMAQI
3rd Sep 2025348 AMAQI
3rd Sep 2025449 AMAQI
3rd Sep 20252810 AMAQI
3rd Sep 20253311 AMAQI
3rd Sep 20253012 PMAQI
3rd Sep 2025281 PMAQI
3rd Sep 2025272 PMAQI
3rd Sep 2025243 PMAQI
3rd Sep 2025244 PMAQI
3rd Sep 2025275 PMAQI
3rd Sep 2025286 PMAQI
3rd Sep 2025387 PMAQI
3rd Sep 2025428 PMAQI
3rd Sep 2025439 PMAQI
3rd Sep 20253310 PMAQI
3rd Sep 20253811 PMAQI
4th Sep 20253712 AMAQI
4th Sep 2025401 AMAQI
4th Sep 2025442 AMAQI
4th Sep 2025423 AMAQI
4th Sep 2025404 AMAQI
4th Sep 2025405 AMAQI
28°C26/30°C
4th Sep 2025396 AMAQI
4th Sep 2025407 AMAQI
4th Sep 2025358 AMAQI
4th Sep 2025469 AMAQI
4th Sep 20255610 AMAQI
4th Sep 20254711 AMAQI
4th Sep 20253612 PMAQI
4th Sep 2025261 PMAQI
4th Sep 2025262 PMAQI
4th Sep 2025183 PMAQI
4th Sep 2025194 PMAQI
4th Sep 2025225 PMAQI
4th Sep 2025256 PMAQI
4th Sep 2025307 PMAQI
4th Sep 2025338 PMAQI
4th Sep 2025339 PMAQI
4th Sep 20253210 PMAQI
4th Sep 20252811 PMAQI
5th Sep 20252912 AMAQI
5th Sep 2025401 AMAQI
5th Sep 2025392 AMAQI
5th Sep 2025383 AMAQI
5th Sep 2025374 AMAQI
5th Sep 2025445 AMAQI
28°C26/30°C
5th Sep 2025406 AMAQI
5th Sep 2025397 AMAQI
5th Sep 2025298 AMAQI
5th Sep 2025309 AMAQI
5th Sep 20253310 AMAQI
5th Sep 20252611 AMAQI
5th Sep 20252612 PMAQI
5th Sep 2025281 PMAQI
5th Sep 2025322 PMAQI
5th Sep 2025283 PMAQI
5th Sep 2025284 PMAQI
5th Sep 2025265 PMAQI
5th Sep 2025266 PMAQI
5th Sep 2025267 PMAQI
5th Sep 2025298 PMAQI
5th Sep 2025269 PMAQI
5th Sep 20253310 PMAQI
5th Sep 20252611 PMAQI
6th Sep 20252812 AMAQI
6th Sep 2025321 AMAQI
6th Sep 2025282 AMAQI
6th Sep 2025323 AMAQI
6th Sep 2025334 AMAQI
6th Sep 2025355 AMAQI
28°C26/30°C
6th Sep 2025336 AMAQI
6th Sep 2025357 AMAQI
6th Sep 2025268 AMAQI
6th Sep 2025349 AMAQI
6th Sep 20252110 AMAQI
6th Sep 20252011 AMAQI
6th Sep 20252312 PMAQI
6th Sep 2025221 PMAQI
6th Sep 2025292 PMAQI
6th Sep 2025263 PMAQI
6th Sep 2025224 PMAQI
6th Sep 2025275 PMAQI
6th Sep 2025346 PMAQI
6th Sep 2025297 PMAQI
6th Sep 2025288 PMAQI
6th Sep 2025319 PMAQI
6th Sep 20253110 PMAQI
6th Sep 20253311 PMAQI
7th Sep 20253012 AMAQI
7th Sep 2025311 AMAQI
7th Sep 2025342 AMAQI
7th Sep 2025353 AMAQI
7th Sep 2025314 AMAQI
7th Sep 2025305 AMAQI
28°C26/31°C
7th Sep 2025326 AMAQI
7th Sep 2025337 AMAQI
7th Sep 2025518 AMAQI
7th Sep 2025499 AMAQI
7th Sep 20255210 AMAQI
7th Sep 20255411 AMAQI
7th Sep 20254712 PMAQI
7th Sep 2025591 PMAQI
7th Sep 2025562 PMAQI
7th Sep 2025533 PMAQI
7th Sep 2025514 PMAQI
7th Sep 2025455 PMAQI
7th Sep 2025486 PMAQI
7th Sep 2025427 PMAQI
7th Sep 2025488 PMAQI
7th Sep 2025439 PMAQI
7th Sep 20254210 PMAQI
7th Sep 20254211 PMAQI
8th Sep 20253812 AMAQI
8th Sep 2025321 AMAQI
8th Sep 2025322 AMAQI
8th Sep 2025363 AMAQI
8th Sep 2025394 AMAQI
8th Sep 2025395 AMAQI
28°C26/30°C
8th Sep 2025386 AMAQI
8th Sep 2025387 AMAQI
8th Sep 2025438 AMAQI
8th Sep 2025449 AMAQI
8th Sep 20254210 AMAQI
8th Sep 20253011 AMAQI
8th Sep 20253412 PMAQI
8th Sep 2025401 PMAQI
8th Sep 2025482 PMAQI
8th Sep 2025483 PMAQI
8th Sep 2025374 PMAQI
8th Sep 2025405 PMAQI
8th Sep 2025476 PMAQI
8th Sep 2025427 PMAQI
8th Sep 2025478 PMAQI
8th Sep 2025489 PMAQI
8th Sep 20254810 PMAQI
8th Sep 20254611 PMAQI
9th Sep 20254112 AMAQI
9th Sep 2025371 AMAQI
9th Sep 2025362 AMAQI
9th Sep 2025373 AMAQI
9th Sep 2025404 AMAQI
9th Sep 2025385 AMAQI
27°C25/29°C
9th Sep 2025376 AMAQI
9th Sep 2025367 AMAQI
9th Sep 2025348 AMAQI
9th Sep 2025299 AMAQI
9th Sep 20253810 AMAQI
9th Sep 20253611 AMAQI
9th Sep 20253012 PMAQI
9th Sep 2025371 PMAQI
9th Sep 2025292 PMAQI
9th Sep 2025283 PMAQI
9th Sep 2025244 PMAQI
9th Sep 2025275 PMAQI
9th Sep 2025306 PMAQI
9th Sep 2025387 PMAQI
9th Sep 2025348 PMAQI
9th Sep 2025349 PMAQI
9th Sep 20253810 PMAQI
9th Sep 20256511 PMAQI
10th Sep 20254112 AMAQI
10th Sep 2025391 AMAQI
10th Sep 2025412 AMAQI
10th Sep 2025433 AMAQI
10th Sep 2025384 AMAQI
10th Sep 2025395 AMAQI
28°C25/32°C
10th Sep 2025386 AMAQI
10th Sep 2025387 AMAQI
10th Sep 2025238 AMAQI
10th Sep 2025229 AMAQI
10th Sep 20253310 AMAQI
10th Sep 20253211 AMAQI
10th Sep 20253212 PMAQI
10th Sep 2025331 PMAQI
10th Sep 2025362 PMAQI
10th Sep 2025293 PMAQI
10th Sep 2025304 PMAQI
10th Sep 2025305 PMAQI
10th Sep 2025246 PMAQI
10th Sep 2025347 PMAQI
10th Sep 2025378 PMAQI
10th Sep 2025389 PMAQI
10th Sep 20253610 PMAQI
10th Sep 20253311 PMAQI
11th Sep 20253512 AMAQI
11th Sep 2025401 AMAQI
11th Sep 2025402 AMAQI
11th Sep 2025393 AMAQI
11th Sep 2025394 AMAQI
11th Sep 2025395 AMAQI
27°C26/30°C
11th Sep 2025386 AMAQI
11th Sep 2025387 AMAQI
11th Sep 2025268 AMAQI
11th Sep 2025289 AMAQI
11th Sep 20252210 AMAQI
11th Sep 20253211 AMAQI
11th Sep 20252312 PMAQI
11th Sep 2025321 PMAQI
11th Sep 2025312 PMAQI
11th Sep 2025283 PMAQI
11th Sep 2025254 PMAQI
11th Sep 2025235 PMAQI
11th Sep 2025286 PMAQI
11th Sep 2025287 PMAQI
11th Sep 2025338 PMAQI
11th Sep 2025329 PMAQI
11th Sep 20253110 PMAQI
11th Sep 20253211 PMAQI
12th Sep 20253412 AMAQI
12th Sep 2025421 AMAQI
12th Sep 2025402 AMAQI
12th Sep 2025373 AMAQI
12th Sep 2025384 AMAQI
12th Sep 2025375 AMAQI
28°C26/32°C
12th Sep 2025386 AMAQI
12th Sep 2025397 AMAQI
12th Sep 2025318 AMAQI
12th Sep 2025269 AMAQI
12th Sep 20251810 AMAQI
12th Sep 20252711 AMAQI
12th Sep 20252812 PMAQI
12th Sep 2025331 PMAQI
12th Sep 2025292 PMAQI
12th Sep 2025183 PMAQI
12th Sep 2025234 PMAQI
12th Sep 2025245 PMAQI
12th Sep 2025386 PMAQI
12th Sep 2025327 PMAQI
12th Sep 2025388 PMAQI
12th Sep 2025359 PMAQI
12th Sep 20253410 PMAQI
12th Sep 20253411 PMAQI
13th Sep 20253512 AMAQI
13th Sep 2025391 AMAQI
13th Sep 2025382 AMAQI
13th Sep 2025373 AMAQI
13th Sep 2025364 AMAQI
13th Sep 2025365 AMAQI
28°C25/30°C
13th Sep 2025386 AMAQI
13th Sep 2025357 AMAQI
13th Sep 2025228 AMAQI
13th Sep 2025239 AMAQI
13th Sep 20253310 AMAQI
13th Sep 20252911 AMAQI
13th Sep 20252912 PMAQI
13th Sep 2025291 PMAQI
13th Sep 2025272 PMAQI
13th Sep 2025283 PMAQI
13th Sep 2025204 PMAQI
13th Sep 2025185 PMAQI
13th Sep 2025226 PMAQI
13th Sep 2025307 PMAQI
13th Sep 2025328 PMAQI
13th Sep 2025349 PMAQI
13th Sep 20253410 PMAQI
13th Sep 20253311 PMAQI
14th Sep 20252912 AMAQI
14th Sep 2025361 AMAQI
14th Sep 2025372 AMAQI
14th Sep 2025343 AMAQI
14th Sep 2025364 AMAQI
14th Sep 2025345 AMAQI
28°C26/30°C
14th Sep 2025356 AMAQI
14th Sep 2025367 AMAQI
14th Sep 2025288 AMAQI
14th Sep 2025199 AMAQI
14th Sep 20252010 AMAQI
14th Sep 20252211 AMAQI
14th Sep 20252612 PMAQI
14th Sep 2025231 PMAQI
14th Sep 2025342 PMAQI
14th Sep 2025253 PMAQI
14th Sep 2025234 PMAQI
14th Sep 2025255 PMAQI
14th Sep 2025206 PMAQI
14th Sep 2025327 PMAQI
14th Sep 2025328 PMAQI
14th Sep 2025369 PMAQI
14th Sep 20253410 PMAQI
14th Sep 20253411 PMAQI
15th Sep 20253512 AMAQI
15th Sep 2025351 AMAQI
15th Sep 2025372 AMAQI
15th Sep 2025323 AMAQI
15th Sep 2025324 AMAQI
15th Sep 2025325 AMAQI
28°C26/31°C
15th Sep 2025326 AMAQI
15th Sep 2025327 AMAQI
15th Sep 2025388 AMAQI
15th Sep 2025409 AMAQI
15th Sep 20253810 AMAQI
15th Sep 20253411 AMAQI
15th Sep 20253212 PMAQI
15th Sep 2025281 PMAQI
15th Sep 2025292 PMAQI
15th Sep 2025193 PMAQI
15th Sep 2025194 PMAQI
15th Sep 2025215 PMAQI
15th Sep 2025196 PMAQI
15th Sep 2025267 PMAQI
15th Sep 2025318 PMAQI
15th Sep 2025339 PMAQI
15th Sep 20253410 PMAQI
15th Sep 20253211 PMAQI
16th Sep 20252912 AMAQI
16th Sep 2025311 AMAQI
16th Sep 2025352 AMAQI
16th Sep 2025343 AMAQI
16th Sep 2025344 AMAQI
16th Sep 2025345 AMAQI
28°C25/31°C
16th Sep 2025346 AMAQI
16th Sep 2025347 AMAQI
16th Sep 2025258 AMAQI
16th Sep 2025229 AMAQI
16th Sep 20253110 AMAQI
16th Sep 20253111 AMAQI
16th Sep 20253212 PMAQI
16th Sep 2025291 PMAQI
16th Sep 2025282 PMAQI
16th Sep 2025243 PMAQI
16th Sep 2025204 PMAQI
16th Sep 2025225 PMAQI
16th Sep 2025246 PMAQI
16th Sep 2025287 PMAQI
16th Sep 2025308 PMAQI
16th Sep 2025309 PMAQI
16th Sep 20253010 PMAQI
16th Sep 20252611 PMAQI
17th Sep 20253012 AMAQI
17th Sep 2025321 AMAQI
17th Sep 2025332 AMAQI
17th Sep 2025333 AMAQI
17th Sep 2025334 AMAQI
17th Sep 2025325 AMAQI
27°C26/30°C
17th Sep 2025326 AMAQI
17th Sep 2025327 AMAQI
17th Sep 2025228 AMAQI
17th Sep 2025199 AMAQI
17th Sep 20252810 AMAQI
17th Sep 20252411 AMAQI
17th Sep 20252412 PMAQI
17th Sep 2025271 PMAQI
17th Sep 2025232 PMAQI
17th Sep 2025223 PMAQI
17th Sep 2025234 PMAQI
17th Sep 2025325 PMAQI
17th Sep 2025366 PMAQI
17th Sep 2025347 PMAQI
17th Sep 2025328 PMAQI
17th Sep 2025359 PMAQI
17th Sep 20253410 PMAQI
17th Sep 20253411 PMAQI
18th Sep 20253212 AMAQI
18th Sep 2025341 AMAQI
18th Sep 2025332 AMAQI
18th Sep 2025333 AMAQI
18th Sep 2025324 AMAQI
18th Sep 2025325 AMAQI
28°C26/31°C
18th Sep 2025326 AMAQI
18th Sep 2025327 AMAQI
18th Sep 2025288 AMAQI
18th Sep 2025289 AMAQI
18th Sep 20252610 AMAQI
18th Sep 20252811 AMAQI
18th Sep 20253512 PMAQI
18th Sep 2025271 PMAQI
18th Sep 2025382 PMAQI
18th Sep 2025253 PMAQI
18th Sep 2025244 PMAQI
18th Sep 2025275 PMAQI
18th Sep 2025266 PMAQI
18th Sep 2025287 PMAQI
18th Sep 2025348 PMAQI
18th Sep 2025369 PMAQI
18th Sep 20253410 PMAQI
18th Sep 20253411 PMAQI
19th Sep 20253312 AMAQI
19th Sep 2025321 AMAQI
19th Sep 2025332 AMAQI
19th Sep 2025323 AMAQI
19th Sep 2025324 AMAQI
19th Sep 2025335 AMAQI
28°C26/29°C
19th Sep 2025326 AMAQI
19th Sep 2025327 AMAQI
19th Sep 2025368 AMAQI
19th Sep 2025489 AMAQI
19th Sep 20254710 AMAQI
19th Sep 20254011 AMAQI
19th Sep 20253512 PMAQI
19th Sep 2025281 PMAQI
19th Sep 2025202 PMAQI
19th Sep 2025243 PMAQI
19th Sep 2025244 PMAQI
19th Sep 2025215 PMAQI
19th Sep 2025236 PMAQI
19th Sep 2025297 PMAQI
19th Sep 2025328 PMAQI
19th Sep 2025419 PMAQI
19th Sep 20254010 PMAQI
19th Sep 20253911 PMAQI
20th Sep 20254412 AMAQI
20th Sep 2025341 AMAQI
20th Sep 2025322 AMAQI
20th Sep 2025343 AMAQI
20th Sep 2025364 AMAQI
20th Sep 2025345 AMAQI
28°C26/31°C
20th Sep 2025356 AMAQI
20th Sep 2025347 AMAQI
20th Sep 2025318 AMAQI
20th Sep 2025339 AMAQI
20th Sep 20253610 AMAQI
20th Sep 20253211 AMAQI
20th Sep 20253212 PMAQI
20th Sep 2025411 PMAQI
20th Sep 2025462 PMAQI
20th Sep 2025443 PMAQI
20th Sep 2025424 PMAQI
20th Sep 2025405 PMAQI
20th Sep 2025426 PMAQI
20th Sep 2025427 PMAQI
20th Sep 2025438 PMAQI
20th Sep 2025469 PMAQI
20th Sep 20255010 PMAQI
20th Sep 20255611 PMAQI
21st Sep 20255212 AMAQI
21st Sep 2025381 AMAQI
21st Sep 2025372 AMAQI
21st Sep 2025363 AMAQI
21st Sep 2025374 AMAQI
21st Sep 2025355 AMAQI
28°C26/30°C
21st Sep 2025366 AMAQI
6 AM21st Sep 2025367 AMAQI
21st Sep 2025388 AMAQI
21st Sep 2025469 AMAQI
21st Sep 20255010 AMAQI
21st Sep 20254611 AMAQI
21st Sep 20253712 PMAQI
12 PM21st Sep 2025441 PMAQI
21st Sep 2025412 PMAQI
21st Sep 2025533 PMAQI
21st Sep 2025434 PMAQI
21st Sep 2025555 PMAQI
21st Sep 2025556 PMAQI
6 PM21st Sep 2025517 PMAQI
21st Sep 2025448 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
4 PM
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 4 PM to 4 PM (Avg. 30).
Night time
Avg. Highest Time
12 AM - 5 AM
38AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
7 PM
35AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 5 AM (Avg. 38), while the lowest AQI was between 7 PM to 7 PM (Avg. 35).
2025 Days Vs Air Quality
Longhua Road Epa Dormitory, Haikou, Hainan, China
2025
46%
122
49%
129
5%
12
Total number of days with different AQI categories in last 264 days in 2025 (101 days remaining)
Good
122 DaysModerate
129 DaysPoor
12 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 46%
Health Risk Level:
Significant
In 2025, 46% of 264 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
Longhua Road Epa Dormitory, 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
110AQI
110AQI
2nd January 2025
106AQI
106AQI
3rd January 2025
103AQI
103AQI
4th January 2025
92AQI
92AQI
5th January 2025
113AQI
113AQI
6th January 2025
122AQI
122AQI
7th January 2025
94AQI
94AQI
8th January 2025
89AQI
89AQI
9th January 2025
120AQI
120AQI
10th January 2025
103AQI
103AQI
11th January 2025
90AQI
90AQI
12th January 2025
77AQI
77AQI
13th January 2025
75AQI
75AQI
14th January 2025
74AQI
74AQI
15th January 2025
77AQI
77AQI
16th January 2025
91AQI
91AQI
17th January 2025
91AQI
91AQI
18th January 2025
85AQI
85AQI
19th January 2025
89AQI
89AQI
20th January 2025
95AQI
95AQI
21st January 2025
77AQI
77AQI
22nd January 2025
91AQI
91AQI
23rd January 2025
82AQI
82AQI
24th January 2025
70AQI
70AQI
25th January 2025
63AQI
63AQI
26th January 2025
58AQI
58AQI
27th January 2025
58AQI
58AQI
28th January 2025
59AQI
59AQI
29th January 2025
72AQI
72AQI
30th January 2025
68AQI
68AQI
31st January 2025
72AQI
72AQI
1st February 2025
59AQI
59AQI
2nd February 2025
49AQI
49AQI
3rd February 2025
66AQI
66AQI
4th February 2025
53AQI
53AQI
5th February 2025
59AQI
59AQI
6th February 2025
62AQI
62AQI
7th February 2025
70AQI
70AQI
8th February 2025
59AQI
59AQI
9th February 2025
68AQI
68AQI
10th February 2025
62AQI
62AQI
11th February 2025
62AQI
62AQI
12th February 2025
55AQI
55AQI
13th February 2025
69AQI
69AQI
14th February 2025
52AQI
52AQI
15th February 2025
72AQI
72AQI
16th February 2025
48AQI
48AQI
17th February 2025
72AQI
72AQI
18th February 2025
76AQI
76AQI
19th February 2025
71AQI
71AQI
20th February 2025
67AQI
67AQI
21st February 2025
64AQI
64AQI
22nd February 2025
50AQI
50AQI
23rd February 2025
69AQI
69AQI
24th February 2025
51AQI
51AQI
25th February 2025
68AQI
68AQI
26th February 2025
81AQI
81AQI
27th February 2025
70AQI
70AQI
28th February 2025
65AQI
65AQI
1st March 2025
59AQI
59AQI
2nd March 2025
55AQI
55AQI
3rd March 2025
62AQI
62AQI
4th March 2025
57AQI
57AQI
5th March 2025
53AQI
53AQI
6th March 2025
36AQI
36AQI
7th March 2025
48AQI
48AQI
8th March 2025
55AQI
55AQI
9th March 2025
63AQI
63AQI
10th March 2025
67AQI
67AQI
11th March 2025
65AQI
65AQI
12th March 2025
62AQI
62AQI
13th March 2025
60AQI
60AQI
14th March 2025
49AQI
49AQI
15th March 2025
59AQI
59AQI
16th March 2025
44AQI
44AQI
17th March 2025
68AQI
68AQI
18th March 2025
67AQI
67AQI
19th March 2025
83AQI
83AQI
20th March 2025
80AQI
80AQI
21st March 2025
81AQI
81AQI
22nd March 2025
76AQI
76AQI
23rd March 2025
71AQI
71AQI
24th March 2025
72AQI
72AQI
25th March 2025
74AQI
74AQI
26th March 2025
73AQI
73AQI
27th March 2025
70AQI
70AQI
28th March 2025
69AQI
69AQI
29th March 2025
54AQI
54AQI
30th March 2025
38AQI
38AQI
31st March 2025
53AQI
53AQI
1st April 2025
58AQI
58AQI
2nd April 2025
69AQI
69AQI
3rd April 2025
58AQI
58AQI
4th April 2025
62AQI
62AQI
5th April 2025
68AQI
68AQI
6th April 2025
72AQI
72AQI
7th April 2025
75AQI
75AQI
8th April 2025
66AQI
66AQI
9th April 2025
67AQI
67AQI
10th April 2025
75AQI
75AQI
11th April 2025
64AQI
64AQI
12th April 2025
70AQI
70AQI
13th April 2025
132AQI
132AQI
14th April 2025
134AQI
134AQI
15th April 2025
147AQI
147AQI
16th April 2025
139AQI
139AQI
17th April 2025
115AQI
115AQI
18th April 2025
95AQI
95AQI
19th April 2025
84AQI
84AQI
20th April 2025
67AQI
67AQI
21st April 2025
65AQI
65AQI
22nd April 2025
66AQI
66AQI
23rd April 2025
62AQI
62AQI
24th April 2025
64AQI
64AQI
25th April 2025
59AQI
59AQI
26th April 2025
50AQI
50AQI
27th April 2025
44AQI
44AQI
28th April 2025
58AQI
58AQI
29th April 2025
63AQI
63AQI
30th April 2025
62AQI
62AQI
1st May 2025
51AQI
51AQI
2nd May 2025
58AQI
58AQI
3rd May 2025
58AQI
58AQI
4th May 2025
58AQI
58AQI
5th May 2025
55AQI
55AQI
6th May 2025
58AQI
58AQI
7th May 2025
57AQI
57AQI
8th May 2025
52AQI
52AQI
9th May 2025
55AQI
55AQI
10th May 2025
50AQI
50AQI
11th May 2025
60AQI
60AQI
12th May 2025
62AQI
62AQI
13th May 2025
57AQI
57AQI
14th May 2025
46AQI
46AQI
15th May 2025
41AQI
41AQI
16th May 2025
38AQI
38AQI
17th May 2025
40AQI
40AQI
18th May 2025
44AQI
44AQI
19th May 2025
44AQI
44AQI
20th May 2025
49AQI
49AQI
21st May 2025
48AQI
48AQI
22nd May 2025
45AQI
45AQI
23rd May 2025
39AQI
39AQI
24th May 2025
35AQI
35AQI
25th May 2025
58AQI
58AQI
26th May 2025
68AQI
68AQI
27th May 2025
59AQI
59AQI
28th May 2025
49AQI
49AQI
29th May 2025
44AQI
44AQI
30th May 2025
42AQI
42AQI
31st May 2025
38AQI
38AQI
1st June 2025
44AQI
44AQI
2nd June 2025
41AQI
41AQI
3rd June 2025
53AQI
53AQI
4th June 2025
53AQI
53AQI
5th June 2025
41AQI
41AQI
6th June 2025
41AQI
41AQI
7th June 2025
43AQI
43AQI
8th June 2025
48AQI
48AQI
9th June 2025
48AQI
48AQI
10th June 2025
43AQI
43AQI
11th June 2025
45AQI
45AQI
12th June 2025
35AQI
35AQI
13th June 2025
32AQI
32AQI
14th June 2025
36AQI
36AQI
15th June 2025
40AQI
40AQI
16th June 2025
43AQI
43AQI
17th June 2025
46AQI
46AQI
18th June 2025
47AQI
47AQI
19th June 2025
42AQI
42AQI
20th June 2025
42AQI
42AQI
21st June 2025
38AQI
38AQI
22nd June 2025
33AQI
33AQI
23rd June 2025
33AQI
33AQI
24th June 2025
31AQI
31AQI
25th June 2025
29AQI
29AQI
26th June 2025
27AQI
27AQI
27th June 2025
29AQI
29AQI
28th June 2025
32AQI
32AQI
29th June 2025
33AQI
33AQI
30th June 2025
35AQI
35AQI
1st July 2025
35AQI
35AQI
2nd July 2025
31AQI
31AQI
3rd July 2025
31AQI
31AQI
4th July 2025
31AQI
31AQI
5th July 2025
37AQI
37AQI
6th July 2025
36AQI
36AQI
7th July 2025
34AQI
34AQI
8th July 2025
44AQI
44AQI
9th July 2025
46AQI
46AQI
10th July 2025
48AQI
48AQI
11th July 2025
49AQI
49AQI
12th July 2025
46AQI
46AQI
13th July 2025
49AQI
49AQI
14th July 2025
52AQI
52AQI
15th July 2025
53AQI
53AQI
16th July 2025
54AQI
54AQI
17th July 2025
50AQI
50AQI
18th July 2025
51AQI
51AQI
19th July 2025
46AQI
46AQI
20th July 2025
41AQI
41AQI
21st July 2025
37AQI
37AQI
22nd July 2025
40AQI
40AQI
23rd July 2025
42AQI
42AQI
24th July 2025
36AQI
36AQI
25th July 2025
40AQI
40AQI
26th July 2025
38AQI
38AQI
27th July 2025
44AQI
44AQI
28th July 2025
36AQI
36AQI
29th July 2025
37AQI
37AQI
30th July 2025
37AQI
37AQI
31st July 2025
45AQI
45AQI
1st August 2025
53AQI
53AQI
2nd August 2025
52AQI
52AQI
3rd August 2025
56AQI
56AQI
4th August 2025
57AQI
57AQI
5th August 2025
54AQI
54AQI
6th August 2025
52AQI
52AQI
7th August 2025
55AQI
55AQI
8th August 2025
54AQI
54AQI
9th August 2025
56AQI
56AQI
10th August 2025
52AQI
52AQI
11th August 2025
47AQI
47AQI
12th August 2025
45AQI
45AQI
13th August 2025
47AQI
47AQI
14th August 2025
46AQI
46AQI
15th August 2025
34AQI
34AQI
16th August 2025
33AQI
33AQI
17th August 2025
31AQI
31AQI
18th August 2025
30AQI
30AQI
19th August 2025
32AQI
32AQI
20th August 2025
36AQI
36AQI
21st August 2025
35AQI
35AQI
22nd August 2025
37AQI
37AQI
23rd August 2025
37AQI
37AQI
24th August 2025
40AQI
40AQI
25th August 2025
36AQI
36AQI
26th August 2025
34AQI
34AQI
27th August 2025
39AQI
39AQI
28th August 2025
41AQI
41AQI
29th August 2025
45AQI
45AQI
30th August 2025
41AQI
41AQI
31st August 2025
39AQI
39AQI
1st September 2025
38AQI
38AQI
2nd September 2025
38AQI
38AQI
3rd September 2025
36AQI
36AQI
4th September 2025
34AQI
34AQI
5th September 2025
31AQI
31AQI
6th September 2025
29AQI
29AQI
7th September 2025
42AQI
42AQI
8th September 2025
41AQI
41AQI
9th September 2025
36AQI
36AQI
10th September 2025
35AQI
35AQI
11th September 2025
32AQI
32AQI
12th September 2025
33AQI
33AQI
13th September 2025
31AQI
31AQI
14th September 2025
30AQI
30AQI
15th September 2025
31AQI
31AQI
16th September 2025
29AQI
29AQI
17th September 2025
30AQI
30AQI
18th September 2025
31AQI
31AQI
19th September 2025
33AQI
33AQI
20th September 2025
37AQI
37AQI
21st September 2025
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
63AQI
62AQI
77AQI
50AQI
39AQI
42AQI
43AQI
34AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202556AQI
24
7
3
25
5
26
2
23
5
16
15
28
2
27
4
21
10
20
122
129
12
Highest AQI recorded in
January86AQI
Lowest AQI recorded in
September34AQI
202456AQI
6
24
1
10
17
2
6
25
2
28
19
12
25
5
30
1
24
7
22
8
7
21
3
2
27
1
26
5
153
201
12
Highest AQI recorded in
December83AQI
Lowest AQI recorded in
July29AQI
202355AQI
7
20
4
12
15
1
4
27
3
27
15
16
22
8
29
2
20
11
25
5
11
19
1
7
17
2
7
22
2
162
189
10
Highest AQI recorded in
January75AQI
Lowest AQI recorded in
July35AQI
202250AQI
12
18
1
14
6
1
15
16
12
18
27
4
30
22
1
8
20
1
11
20
23
7
5
21
5
179
131
8
Highest AQI recorded in
December73AQI
Lowest AQI recorded in
July28AQI
202150AQI
1
20
10
8
20
15
14
2
18
12
28
3
23
7
31
29
2
27
3
21
10
10
19
1
1
29
1
212
139
14
Highest AQI recorded in
January91AQI
Lowest AQI recorded in
July30AQI
202050AQI
8
5
7
14
8
10
29
1
29
2
27
4
26
4
8
22
1
7
20
3
1
19
10
1
150
101
14
1
Highest AQI recorded in
December88AQI
Lowest AQI recorded in
September32AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2024(Avg.)
56AQILeast Polluted Year Recorded
2022(Avg.)
50AQILonghua Road Epa Dormitory's annual 2025 AQI (56) shows an average percentage change of 7.4% (worsened AQI) compared to previous years: 2020 (50), 2021 (50), 2022 (50), 2023 (55), 2024 (56).
