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HistoryAQIPM2.5PM10COSO2NO2O3

Middle School, Wancheng, 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+

October Air Quality Analysis

Middle School, Wancheng, Hainan, China

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
9th Oct 2024
127AQI
Lowest AQI recorded on
8th Oct 2021
17AQI

Same Day Analysis (3rd October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 36 of Good air quality, showing improvement over 2024 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 3rd Oct - 4th Oct 2025

Middle School, Wancheng, Hainan, China

AQI
Day
Night
.

6 AM3rd Oct 2025

6 PM

5 AM4th Oct 2025

Day time
Avg. Highest Time
12AMNaNth undefined

AQI

Avg. Lowest Time
12AMNaNth undefined

AQI

Night time
Avg. Highest Time
11PM3rd Oct

40AQI

Avg. Lowest Time
2AM4th Oct

13AQI

In the last 24 hours,

Middle School's AQI reached its highest point of 40 at 11 PM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 3rd Oct and 4th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Middle School, Wancheng, Hainan, China

SepOct
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 - 01st01st - 02nd02nd - 03rd03rd - 04th04th
Day
Night
4th Sep 2025376 AMAQI
4th Sep 2025367 AMAQI
4th Sep 2025368 AMAQI
4th Sep 2025399 AMAQI
4th Sep 20253510 AMAQI
4th Sep 20254711 AMAQI
4th Sep 20252712 PMAQI
4th Sep 2025241 PMAQI
4th Sep 2025222 PMAQI
4th Sep 2025203 PMAQI
4th Sep 2025174 PMAQI
4th Sep 2025155 PMAQI
4th Sep 2025156 PMAQI
4th Sep 2025167 PMAQI
4th Sep 2025168 PMAQI
4th Sep 2025149 PMAQI
4th Sep 20251110 PMAQI
4th Sep 20251111 PMAQI
5th Sep 20251912 AMAQI
5th Sep 2025331 AMAQI
5th Sep 2025332 AMAQI
5th Sep 2025353 AMAQI
5th Sep 2025374 AMAQI
5th Sep 2025425 AMAQI

28°C25/31°C

5th Sep 2025396 AMAQI
5th Sep 2025387 AMAQI
5th Sep 2025218 AMAQI
5th Sep 2025229 AMAQI
5th Sep 20253210 AMAQI
5th Sep 20252411 AMAQI
5th Sep 20252812 PMAQI
5th Sep 2025301 PMAQI
5th Sep 2025282 PMAQI
5th Sep 2025303 PMAQI
5th Sep 2025204 PMAQI
5th Sep 2025255 PMAQI
5th Sep 2025226 PMAQI
5th Sep 2025207 PMAQI
5th Sep 2025248 PMAQI
5th Sep 2025219 PMAQI
5th Sep 20252010 PMAQI
5th Sep 20252511 PMAQI
6th Sep 20252712 AMAQI
6th Sep 2025251 AMAQI
6th Sep 2025262 AMAQI
6th Sep 2025313 AMAQI
6th Sep 2025324 AMAQI
6th Sep 2025345 AMAQI

27°C26/30°C

6th Sep 2025336 AMAQI
6th Sep 2025337 AMAQI
6th Sep 2025188 AMAQI
6th Sep 2025319 AMAQI
6th Sep 20252810 AMAQI
6th Sep 20252811 AMAQI
6th Sep 20252912 PMAQI
6th Sep 2025251 PMAQI
6th Sep 2025262 PMAQI
6th Sep 2025303 PMAQI
6th Sep 2025244 PMAQI
6th Sep 2025265 PMAQI
6th Sep 2025246 PMAQI
6th Sep 2025267 PMAQI
6th Sep 2025258 PMAQI
6th Sep 2025309 PMAQI
6th Sep 20252910 PMAQI
6th Sep 20253211 PMAQI
7th Sep 20252912 AMAQI
7th Sep 2025301 AMAQI
7th Sep 2025322 AMAQI
7th Sep 2025323 AMAQI
7th Sep 2025304 AMAQI
7th Sep 2025295 AMAQI

28°C25/31°C

7th Sep 2025306 AMAQI
7th Sep 2025307 AMAQI
7th Sep 2025368 AMAQI
7th Sep 2025309 AMAQI
7th Sep 20254110 AMAQI
7th Sep 20255711 AMAQI
7th Sep 20253912 PMAQI
7th Sep 2025501 PMAQI
7th Sep 2025522 PMAQI
7th Sep 2025513 PMAQI
7th Sep 2025484 PMAQI
7th Sep 2025405 PMAQI
7th Sep 2025506 PMAQI
7th Sep 2025467 PMAQI
7th Sep 2025488 PMAQI
7th Sep 2025429 PMAQI
7th Sep 20254510 PMAQI
7th Sep 20254211 PMAQI
8th Sep 20253812 AMAQI
8th Sep 2025321 AMAQI
8th Sep 2025312 AMAQI
8th Sep 2025363 AMAQI
8th Sep 2025374 AMAQI
8th Sep 2025365 AMAQI

27°C25/31°C

8th Sep 2025366 AMAQI
8th Sep 2025367 AMAQI
8th Sep 2025428 AMAQI
8th Sep 2025399 AMAQI
8th Sep 20254610 AMAQI
8th Sep 20254111 AMAQI
8th Sep 20253412 PMAQI
8th Sep 2025341 PMAQI
8th Sep 2025412 PMAQI
8th Sep 2025373 PMAQI
8th Sep 2025334 PMAQI
8th Sep 2025415 PMAQI
8th Sep 2025436 PMAQI
8th Sep 2025397 PMAQI
8th Sep 2025358 PMAQI
8th Sep 2025349 PMAQI
8th Sep 20253410 PMAQI
8th Sep 20253711 PMAQI
9th Sep 20253412 AMAQI
9th Sep 2025361 AMAQI
9th Sep 2025372 AMAQI
9th Sep 2025373 AMAQI
9th Sep 2025384 AMAQI
9th Sep 2025385 AMAQI

27°C25/29°C

9th Sep 2025366 AMAQI
9th Sep 2025367 AMAQI
9th Sep 2025248 AMAQI
9th Sep 2025269 AMAQI
9th Sep 20252710 AMAQI
9th Sep 20252611 AMAQI
9th Sep 20253012 PMAQI
9th Sep 2025321 PMAQI
9th Sep 2025262 PMAQI
9th Sep 2025313 PMAQI
9th Sep 2025344 PMAQI
9th Sep 2025385 PMAQI
9th Sep 2025416 PMAQI
9th Sep 2025387 PMAQI
9th Sep 2025338 PMAQI
9th Sep 2025349 PMAQI
9th Sep 20253210 PMAQI
9th Sep 20253311 PMAQI
10th Sep 20253512 AMAQI
10th Sep 2025421 AMAQI
10th Sep 2025392 AMAQI
10th Sep 2025373 AMAQI
10th Sep 2025364 AMAQI
10th Sep 2025355 AMAQI

28°C26/30°C

10th Sep 2025366 AMAQI
10th Sep 2025367 AMAQI
10th Sep 2025208 AMAQI
10th Sep 2025189 AMAQI
10th Sep 20252810 AMAQI
10th Sep 20252211 AMAQI
10th Sep 20252512 PMAQI
10th Sep 2025211 PMAQI
10th Sep 2025212 PMAQI
10th Sep 2025223 PMAQI
10th Sep 2025264 PMAQI
10th Sep 2025285 PMAQI
10th Sep 2025266 PMAQI
10th Sep 2025327 PMAQI
10th Sep 2025368 PMAQI
10th Sep 2025359 PMAQI
10th Sep 20253210 PMAQI
10th Sep 20253711 PMAQI
11th Sep 20253412 AMAQI
11th Sep 2025381 AMAQI
11th Sep 2025362 AMAQI
11th Sep 2025343 AMAQI
11th Sep 2025354 AMAQI
11th Sep 2025345 AMAQI

27°C26/30°C

11th Sep 2025346 AMAQI
11th Sep 2025347 AMAQI
11th Sep 2025198 AMAQI
11th Sep 2025239 AMAQI
11th Sep 20252210 AMAQI
11th Sep 20253011 AMAQI
11th Sep 20252312 PMAQI
11th Sep 2025271 PMAQI
11th Sep 2025302 PMAQI
11th Sep 2025243 PMAQI
11th Sep 2025224 PMAQI
11th Sep 2025235 PMAQI
11th Sep 2025276 PMAQI
11th Sep 2025277 PMAQI
11th Sep 2025288 PMAQI
11th Sep 2025329 PMAQI
11th Sep 20253110 PMAQI
11th Sep 20253011 PMAQI
12th Sep 20253212 AMAQI
12th Sep 2025361 AMAQI
12th Sep 2025362 AMAQI
12th Sep 2025353 AMAQI
12th Sep 2025334 AMAQI
12th Sep 2025345 AMAQI

28°C25/30°C

12th Sep 2025346 AMAQI
12th Sep 2025327 AMAQI
12th Sep 2025338 AMAQI
12th Sep 2025299 AMAQI
12th Sep 20252210 AMAQI
12th Sep 20252211 AMAQI
12th Sep 20252412 PMAQI
12th Sep 2025261 PMAQI
12th Sep 2025262 PMAQI
12th Sep 2025233 PMAQI
12th Sep 2025234 PMAQI
12th Sep 2025275 PMAQI
12th Sep 2025376 PMAQI
12th Sep 2025307 PMAQI
12th Sep 2025308 PMAQI
12th Sep 2025319 PMAQI
12th Sep 20253110 PMAQI
12th Sep 20253011 PMAQI
13th Sep 20253112 AMAQI
13th Sep 2025351 AMAQI
13th Sep 2025342 AMAQI
13th Sep 2025343 AMAQI
13th Sep 2025344 AMAQI
13th Sep 2025345 AMAQI

27°C25/30°C

13th Sep 2025336 AMAQI
13th Sep 2025337 AMAQI
13th Sep 2025238 AMAQI
13th Sep 2025249 AMAQI
13th Sep 20252010 AMAQI
13th Sep 20252511 AMAQI
13th Sep 20252812 PMAQI
13th Sep 2025211 PMAQI
13th Sep 2025252 PMAQI
13th Sep 2025273 PMAQI
13th Sep 2025224 PMAQI
13th Sep 2025295 PMAQI
13th Sep 2025226 PMAQI
13th Sep 2025297 PMAQI
13th Sep 2025288 PMAQI
13th Sep 2025299 PMAQI
13th Sep 20252710 PMAQI
13th Sep 20252811 PMAQI
14th Sep 20252812 AMAQI
14th Sep 2025321 AMAQI
14th Sep 2025342 AMAQI
14th Sep 2025333 AMAQI
14th Sep 2025334 AMAQI
14th Sep 2025335 AMAQI

27°C26/30°C

14th Sep 2025346 AMAQI
14th Sep 2025347 AMAQI
14th Sep 2025278 AMAQI
14th Sep 2025189 AMAQI
14th Sep 20252410 AMAQI
14th Sep 20252211 AMAQI
14th Sep 20252012 PMAQI
14th Sep 2025191 PMAQI
14th Sep 2025272 PMAQI
14th Sep 2025233 PMAQI
14th Sep 2025164 PMAQI
14th Sep 2025205 PMAQI
14th Sep 2025206 PMAQI
14th Sep 2025247 PMAQI
14th Sep 2025258 PMAQI
14th Sep 2025319 PMAQI
14th Sep 20252910 PMAQI
14th Sep 20253011 PMAQI
15th Sep 20253012 AMAQI
15th Sep 2025321 AMAQI
15th Sep 2025322 AMAQI
15th Sep 2025323 AMAQI
15th Sep 2025314 AMAQI
15th Sep 2025315 AMAQI

27°C25/30°C

15th Sep 2025316 AMAQI
15th Sep 2025317 AMAQI
15th Sep 2025338 AMAQI
15th Sep 2025359 AMAQI
15th Sep 20253410 AMAQI
15th Sep 20253211 AMAQI
15th Sep 20252212 PMAQI
15th Sep 2025201 PMAQI
15th Sep 2025162 PMAQI
15th Sep 2025183 PMAQI
15th Sep 2025164 PMAQI
15th Sep 2025155 PMAQI
15th Sep 2025166 PMAQI
15th Sep 2025247 PMAQI
15th Sep 2025268 PMAQI
15th Sep 2025269 PMAQI
15th Sep 20252810 PMAQI
15th Sep 20252811 PMAQI
16th Sep 20252612 AMAQI
16th Sep 2025301 AMAQI
16th Sep 2025332 AMAQI
16th Sep 2025313 AMAQI
16th Sep 2025304 AMAQI
16th Sep 2025295 AMAQI

27°C25/31°C

16th Sep 2025326 AMAQI
16th Sep 2025317 AMAQI
16th Sep 2025228 AMAQI
16th Sep 2025229 AMAQI
16th Sep 20252310 AMAQI
16th Sep 20252211 AMAQI
16th Sep 20252012 PMAQI
16th Sep 2025211 PMAQI
16th Sep 2025182 PMAQI
16th Sep 2025203 PMAQI
16th Sep 2025234 PMAQI
16th Sep 2025245 PMAQI
16th Sep 2025196 PMAQI
16th Sep 2025227 PMAQI
16th Sep 2025268 PMAQI
16th Sep 2025289 PMAQI
16th Sep 20253110 PMAQI
16th Sep 20252811 PMAQI
17th Sep 20253012 AMAQI
17th Sep 2025321 AMAQI
17th Sep 2025322 AMAQI
17th Sep 2025303 AMAQI
17th Sep 2025304 AMAQI
17th Sep 2025295 AMAQI

26°C24/29°C

17th Sep 2025296 AMAQI
17th Sep 2025297 AMAQI
17th Sep 2025328 AMAQI
17th Sep 2025449 AMAQI
17th Sep 20253610 AMAQI
17th Sep 20253011 AMAQI
17th Sep 20252112 PMAQI
17th Sep 2025271 PMAQI
17th Sep 2025222 PMAQI
17th Sep 2025223 PMAQI
17th Sep 2025204 PMAQI
17th Sep 2025295 PMAQI
17th Sep 2025286 PMAQI
17th Sep 2025337 PMAQI
17th Sep 2025348 PMAQI
17th Sep 2025279 PMAQI
17th Sep 20252610 PMAQI
17th Sep 20252711 PMAQI
18th Sep 20253012 AMAQI
18th Sep 2025321 AMAQI
18th Sep 2025322 AMAQI
18th Sep 2025313 AMAQI
18th Sep 2025304 AMAQI
18th Sep 2025305 AMAQI

27°C24/30°C

18th Sep 2025306 AMAQI
18th Sep 2025317 AMAQI
18th Sep 2025368 AMAQI
18th Sep 2025349 AMAQI
18th Sep 20252610 AMAQI
18th Sep 20251911 AMAQI
18th Sep 20253012 PMAQI
18th Sep 2025181 PMAQI
18th Sep 2025262 PMAQI
18th Sep 2025373 PMAQI
18th Sep 2025244 PMAQI
18th Sep 2025245 PMAQI
18th Sep 2025266 PMAQI
18th Sep 2025307 PMAQI
18th Sep 2025268 PMAQI
18th Sep 2025249 PMAQI
18th Sep 20252310 PMAQI
18th Sep 20252411 PMAQI
19th Sep 20252412 AMAQI
19th Sep 2025261 AMAQI
19th Sep 2025312 AMAQI
19th Sep 2025313 AMAQI
19th Sep 2025314 AMAQI
19th Sep 2025315 AMAQI

27°C25/28°C

19th Sep 2025306 AMAQI
19th Sep 2025307 AMAQI
19th Sep 2025228 AMAQI
19th Sep 2025219 AMAQI
19th Sep 20252110 AMAQI
19th Sep 20252211 AMAQI
19th Sep 20252412 PMAQI
19th Sep 2025221 PMAQI
19th Sep 2025252 PMAQI
19th Sep 2025263 PMAQI
19th Sep 2025214 PMAQI
19th Sep 2025175 PMAQI
19th Sep 2025156 PMAQI
19th Sep 2025197 PMAQI
19th Sep 2025248 PMAQI
19th Sep 2025249 PMAQI
19th Sep 20252310 PMAQI
19th Sep 20253411 PMAQI
20th Sep 20253912 AMAQI
20th Sep 2025331 AMAQI
20th Sep 2025322 AMAQI
20th Sep 2025323 AMAQI
20th Sep 2025334 AMAQI
20th Sep 2025335 AMAQI

27°C25/31°C

20th Sep 2025326 AMAQI
20th Sep 2025327 AMAQI
20th Sep 2025218 AMAQI
20th Sep 2025299 AMAQI
20th Sep 20252910 AMAQI
20th Sep 20253011 AMAQI
20th Sep 20252812 PMAQI
20th Sep 2025281 PMAQI
20th Sep 2025262 PMAQI
20th Sep 2025223 PMAQI
20th Sep 2025204 PMAQI
20th Sep 2025215 PMAQI
20th Sep 2025266 PMAQI
20th Sep 2025327 PMAQI
20th Sep 2025348 PMAQI
20th Sep 2025409 PMAQI
20th Sep 20254110 PMAQI
20th Sep 20254611 PMAQI
21st Sep 20253812 AMAQI
21st Sep 2025351 AMAQI
21st Sep 2025332 AMAQI
21st Sep 2025343 AMAQI
21st Sep 2025344 AMAQI
21st Sep 2025345 AMAQI

28°C25/31°C

21st Sep 2025336 AMAQI
21st Sep 2025327 AMAQI
21st Sep 2025328 AMAQI
21st Sep 2025229 AMAQI
21st Sep 20253210 AMAQI
21st Sep 20254411 AMAQI
21st Sep 20252712 PMAQI
21st Sep 2025251 PMAQI
21st Sep 2025232 PMAQI
21st Sep 2025203 PMAQI
21st Sep 2025194 PMAQI
21st Sep 2025195 PMAQI
21st Sep 2025176 PMAQI
21st Sep 2025237 PMAQI
21st Sep 2025288 PMAQI
21st Sep 2025379 PMAQI
21st Sep 20253510 PMAQI
21st Sep 20253811 PMAQI
22nd Sep 20253812 AMAQI
22nd Sep 2025351 AMAQI
22nd Sep 2025342 AMAQI
22nd Sep 2025343 AMAQI
22nd Sep 2025324 AMAQI
22nd Sep 2025335 AMAQI

27°C26/30°C

22nd Sep 2025336 AMAQI
22nd Sep 2025357 AMAQI
22nd Sep 2025328 AMAQI
22nd Sep 2025329 AMAQI
22nd Sep 20253410 AMAQI
22nd Sep 20252511 AMAQI
22nd Sep 20252212 PMAQI
22nd Sep 2025261 PMAQI
22nd Sep 2025222 PMAQI
22nd Sep 2025233 PMAQI
22nd Sep 2025214 PMAQI
22nd Sep 2025205 PMAQI
22nd Sep 2025256 PMAQI
22nd Sep 2025267 PMAQI
22nd Sep 2025298 PMAQI
22nd Sep 2025309 PMAQI
22nd Sep 20253010 PMAQI
22nd Sep 20252611 PMAQI
23rd Sep 20252412 AMAQI
23rd Sep 2025311 AMAQI
23rd Sep 2025352 AMAQI
23rd Sep 2025343 AMAQI
23rd Sep 2025324 AMAQI
23rd Sep 2025325 AMAQI

27°C25/31°C

23rd Sep 2025326 AMAQI
23rd Sep 2025327 AMAQI
23rd Sep 2025418 AMAQI
23rd Sep 2025399 AMAQI
23rd Sep 20254010 AMAQI
23rd Sep 20252411 AMAQI
23rd Sep 20252112 PMAQI
23rd Sep 2025241 PMAQI
23rd Sep 2025282 PMAQI
23rd Sep 2025293 PMAQI
23rd Sep 2025304 PMAQI
23rd Sep 2025285 PMAQI
23rd Sep 2025276 PMAQI
23rd Sep 2025307 PMAQI
23rd Sep 2025328 PMAQI
23rd Sep 2025329 PMAQI
23rd Sep 20253010 PMAQI
23rd Sep 20253211 PMAQI
24th Sep 20253612 AMAQI
24th Sep 2025331 AMAQI
24th Sep 2025322 AMAQI
24th Sep 2025323 AMAQI
24th Sep 2025324 AMAQI
24th Sep 2025325 AMAQI

28°C25/32°C

24th Sep 2025326 AMAQI
24th Sep 2025327 AMAQI
24th Sep 2025438 AMAQI
24th Sep 2025469 AMAQI
24th Sep 20255010 AMAQI
24th Sep 20254811 AMAQI
24th Sep 20254212 PMAQI
24th Sep 2025361 PMAQI
24th Sep 2025372 PMAQI
24th Sep 2025323 PMAQI
24th Sep 2025324 PMAQI
24th Sep 2025325 PMAQI
24th Sep 2025336 PMAQI
24th Sep 2025367 PMAQI
24th Sep 2025388 PMAQI
24th Sep 2025379 PMAQI
24th Sep 20253610 PMAQI
24th Sep 20253511 PMAQI
25th Sep 20253312 AMAQI
25th Sep 2025331 AMAQI
25th Sep 2025322 AMAQI
25th Sep 2025353 AMAQI
25th Sep 2025354 AMAQI
25th Sep 2025355 AMAQI

28°C26/30°C

25th Sep 2025356 AMAQI
25th Sep 2025347 AMAQI
25th Sep 2025268 AMAQI
25th Sep 2025229 AMAQI
25th Sep 20252210 AMAQI
25th Sep 20252111 AMAQI
25th Sep 20252812 PMAQI
25th Sep 2025271 PMAQI
25th Sep 2025222 PMAQI
25th Sep 2025223 PMAQI
25th Sep 2025224 PMAQI
25th Sep 2025225 PMAQI
25th Sep 2025406 PMAQI
25th Sep 2025447 PMAQI
25th Sep 2025398 PMAQI
25th Sep 2025499 PMAQI
25th Sep 20255110 PMAQI
25th Sep 20255511 PMAQI
26th Sep 20255312 AMAQI
26th Sep 2025451 AMAQI
26th Sep 2025382 AMAQI
26th Sep 2025293 AMAQI
26th Sep 2025214 AMAQI
26th Sep 2025205 AMAQI

28°C26/31°C

26th Sep 2025216 AMAQI
26th Sep 2025227 AMAQI
26th Sep 2025238 AMAQI
26th Sep 2025369 AMAQI
26th Sep 20252210 AMAQI
26th Sep 20253211 AMAQI
26th Sep 20252812 PMAQI
26th Sep 2025281 PMAQI
26th Sep 2025282 PMAQI
26th Sep 2025283 PMAQI
26th Sep 2025284 PMAQI
26th Sep 2025285 PMAQI
26th Sep 2025366 PMAQI
26th Sep 2025457 PMAQI
26th Sep 2025458 PMAQI
26th Sep 2025369 PMAQI
26th Sep 20253710 PMAQI
26th Sep 20253411 PMAQI
27th Sep 20253712 AMAQI
27th Sep 2025441 AMAQI
27th Sep 2025442 AMAQI
27th Sep 2025443 AMAQI
27th Sep 2025444 AMAQI
27th Sep 2025445 AMAQI

27°C26/28°C

27th Sep 2025446 AMAQI
27th Sep 2025447 AMAQI
27th Sep 2025448 AMAQI
27th Sep 2025449 AMAQI
27th Sep 20254410 AMAQI
27th Sep 20254011 AMAQI
27th Sep 20253912 PMAQI
27th Sep 2025391 PMAQI
27th Sep 2025352 PMAQI
27th Sep 2025373 PMAQI
27th Sep 2025374 PMAQI
27th Sep 2025395 PMAQI
27th Sep 2025386 PMAQI
27th Sep 2025387 PMAQI
27th Sep 2025388 PMAQI
27th Sep 2025389 PMAQI
27th Sep 20253910 PMAQI
27th Sep 20253711 PMAQI
28th Sep 20253812 AMAQI
28th Sep 2025391 AMAQI
28th Sep 2025232 AMAQI
28th Sep 2025103 AMAQI
28th Sep 2025134 AMAQI
28th Sep 2025185 AMAQI

27°C26/29°C

28th Sep 2025156 AMAQI
28th Sep 2025147 AMAQI
28th Sep 2025188 AMAQI
28th Sep 2025119 AMAQI
28th Sep 20251210 AMAQI
28th Sep 20251411 AMAQI
28th Sep 20252812 PMAQI
28th Sep 2025311 PMAQI
28th Sep 2025222 PMAQI
28th Sep 2025253 PMAQI
28th Sep 2025194 PMAQI
28th Sep 2025175 PMAQI
28th Sep 2025176 PMAQI
28th Sep 2025177 PMAQI
28th Sep 2025198 PMAQI
28th Sep 2025229 PMAQI
28th Sep 20252410 PMAQI
28th Sep 20252611 PMAQI
29th Sep 20252212 AMAQI
29th Sep 2025351 AMAQI
29th Sep 2025502 AMAQI
29th Sep 2025473 AMAQI
29th Sep 2025464 AMAQI
29th Sep 2025455 AMAQI

26°C26/26°C

29th Sep 2025406 AMAQI
29th Sep 2025427 AMAQI
29th Sep 2025398 AMAQI
29th Sep 2025449 AMAQI
29th Sep 20254710 AMAQI
29th Sep 20255111 AMAQI
29th Sep 20255312 PMAQI
29th Sep 2025541 PMAQI
29th Sep 2025512 PMAQI
29th Sep 2025443 PMAQI
29th Sep 2025444 PMAQI
29th Sep 2025445 PMAQI
29th Sep 2025446 PMAQI
29th Sep 2025427 PMAQI
29th Sep 2025488 PMAQI
29th Sep 2025539 PMAQI
29th Sep 20255310 PMAQI
29th Sep 20255511 PMAQI
30th Sep 20255412 AMAQI
30th Sep 2025511 AMAQI
30th Sep 2025462 AMAQI
30th Sep 2025553 AMAQI
30th Sep 2025504 AMAQI
30th Sep 2025475 AMAQI

27°C26/28°C

30th Sep 2025446 AMAQI
30th Sep 2025427 AMAQI
30th Sep 2025398 AMAQI
30th Sep 2025309 AMAQI
30th Sep 20253710 AMAQI
30th Sep 20253711 AMAQI
30th Sep 20253812 PMAQI
30th Sep 2025391 PMAQI
30th Sep 2025342 PMAQI
30th Sep 2025273 PMAQI
30th Sep 2025254 PMAQI
30th Sep 2025195 PMAQI
30th Sep 2025186 PMAQI
30th Sep 2025217 PMAQI
30th Sep 2025248 PMAQI
30th Sep 2025369 PMAQI
30th Sep 20254010 PMAQI
30th Sep 20254011 PMAQI
1st Oct 20254712 AMAQI
1st Oct 2025471 AMAQI
1st Oct 2025422 AMAQI
1st Oct 2025433 AMAQI
1st Oct 2025294 AMAQI
1st Oct 2025365 AMAQI

27°C25/30°C

1st Oct 2025396 AMAQI
1st Oct 2025367 AMAQI
1st Oct 2025378 AMAQI
1st Oct 2025499 AMAQI
1st Oct 20253410 AMAQI
1st Oct 20253711 AMAQI
1st Oct 20253712 PMAQI
1st Oct 2025331 PMAQI
1st Oct 2025332 PMAQI
1st Oct 2025333 PMAQI
1st Oct 2025284 PMAQI
1st Oct 2025245 PMAQI
1st Oct 2025306 PMAQI
1st Oct 2025327 PMAQI
1st Oct 2025328 PMAQI
1st Oct 2025329 PMAQI
1st Oct 20253210 PMAQI
1st Oct 20252811 PMAQI
2nd Oct 20253412 AMAQI
2nd Oct 2025351 AMAQI
2nd Oct 2025372 AMAQI
2nd Oct 2025363 AMAQI
2nd Oct 2025344 AMAQI
2nd Oct 2025345 AMAQI

26°C24/30°C

2nd Oct 2025356 AMAQI
2nd Oct 2025377 AMAQI
2nd Oct 2025388 AMAQI
2nd Oct 2025359 AMAQI
2nd Oct 20253410 AMAQI
2nd Oct 20253711 AMAQI
2nd Oct 20253612 PMAQI
2nd Oct 2025351 PMAQI
2nd Oct 2025342 PMAQI
2nd Oct 2025373 PMAQI
2nd Oct 2025384 PMAQI
2nd Oct 2025355 PMAQI
2nd Oct 2025366 PMAQI
2nd Oct 2025387 PMAQI
2nd Oct 2025358 PMAQI
2nd Oct 2025119 PMAQI
2nd Oct 20252610 PMAQI
2nd Oct 20254111 PMAQI
3rd Oct 20254112 AMAQI
3rd Oct 2025421 AMAQI
3rd Oct 2025402 AMAQI
3rd Oct 2025403 AMAQI
3rd Oct 2025424 AMAQI
3rd Oct 2025385 AMAQI

27°C25/30°C

3rd Oct 2025326 AMAQI
3rd Oct 2025187 AMAQI
3rd Oct 2025188 AMAQI
3rd Oct 2025189 AMAQI
3rd Oct 20252110 AMAQI
3rd Oct 20253411 AMAQI
3rd Oct 20253612 PMAQI
3rd Oct 2025341 PMAQI
3rd Oct 2025342 PMAQI
3rd Oct 2025343 PMAQI
3rd Oct 2025164 PMAQI
3rd Oct 2025155 PMAQI
3rd Oct 2025146 PMAQI
3rd Oct 2025137 PMAQI
3rd Oct 2025188 PMAQI
3rd Oct 2025159 PMAQI
3rd Oct 20253210 PMAQI
3rd Oct 20254011 PMAQI
4th Oct 20253512 AMAQI
4th Oct 2025141 AMAQI
4th Oct 2025132 AMAQI
4th Oct 2025183 AMAQI

--°C/°C

6 AM
12 PM
6 PM
12 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
6 AM - 7 AM

33AQI

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

26AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 7 AM (Avg. 33), while the lowest AQI was between 4 PM to 5 PM (Avg. 26).
Night time
Avg. Highest Time
12 AM - 5 AM

34AQI

6 hours / Day
180 hours / Month
Avg. Lowest Time
7 PM

30AQI

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. 34), while the lowest AQI was between 7 PM to 7 PM (Avg. 30).

2025 Days Vs Air Quality

Middle School, Wancheng, Hainan, China

2025

61%

168

35%

97

4%

11

Total number of days with different AQI categories in last 276 days in 2025 (89 days remaining)

Good
168 Days
Moderate
97 Days
Poor
11 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 61%

Health Risk Level:

Moderate

In 2025, 61% of 276 days were within WHO’s safe air quality limits, and 39% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.

Annual Air Quality Insights

Middle School, Wancheng, 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
2nd January 2025
88AQI
3rd January 2025
101AQI
4th January 2025
94AQI
5th January 2025
107AQI
6th January 2025
116AQI
7th January 2025
92AQI
8th January 2025
92AQI
9th January 2025
103AQI
10th January 2025
109AQI
11th January 2025
90AQI
12th January 2025
86AQI
13th January 2025
73AQI
14th January 2025
72AQI
15th January 2025
81AQI
16th January 2025
91AQI
17th January 2025
80AQI
18th January 2025
85AQI
19th January 2025
89AQI
20th January 2025
86AQI
21st January 2025
78AQI
22nd January 2025
79AQI
23rd January 2025
74AQI
24th January 2025
64AQI
25th January 2025
59AQI
26th January 2025
55AQI
27th January 2025
58AQI
28th January 2025
62AQI
29th January 2025
80AQI
30th January 2025
73AQI
31st January 2025
67AQI
1st February 2025
49AQI
2nd February 2025
44AQI
3rd February 2025
44AQI
4th February 2025
50AQI
5th February 2025
52AQI
6th February 2025
54AQI
7th February 2025
67AQI
8th February 2025
58AQI
9th February 2025
68AQI
10th February 2025
58AQI
11th February 2025
52AQI
12th February 2025
40AQI
13th February 2025
51AQI
14th February 2025
42AQI
15th February 2025
63AQI
16th February 2025
39AQI
17th February 2025
59AQI
18th February 2025
77AQI
19th February 2025
69AQI
20th February 2025
68AQI
21st February 2025
59AQI
22nd February 2025
43AQI
23rd February 2025
46AQI
24th February 2025
47AQI
25th February 2025
49AQI
26th February 2025
68AQI
27th February 2025
63AQI
28th February 2025
57AQI
1st March 2025
55AQI
2nd March 2025
47AQI
3rd March 2025
54AQI
4th March 2025
39AQI
5th March 2025
44AQI
6th March 2025
29AQI
7th March 2025
38AQI
8th March 2025
27AQI
9th March 2025
55AQI
10th March 2025
59AQI
11th March 2025
58AQI
12th March 2025
48AQI
13th March 2025
49AQI
14th March 2025
36AQI
15th March 2025
47AQI
16th March 2025
43AQI
17th March 2025
61AQI
18th March 2025
68AQI
19th March 2025
75AQI
20th March 2025
69AQI
21st March 2025
73AQI
22nd March 2025
75AQI
23rd March 2025
78AQI
24th March 2025
69AQI
25th March 2025
70AQI
26th March 2025
53AQI
27th March 2025
58AQI
28th March 2025
54AQI
29th March 2025
56AQI
30th March 2025
31AQI
31st March 2025
32AQI
1st April 2025
41AQI
2nd April 2025
56AQI
3rd April 2025
52AQI
4th April 2025
54AQI
5th April 2025
58AQI
6th April 2025
42AQI
7th April 2025
58AQI
8th April 2025
54AQI
9th April 2025
63AQI
10th April 2025
60AQI
11th April 2025
55AQI
12th April 2025
54AQI
13th April 2025
112AQI
14th April 2025
110AQI
15th April 2025
113AQI
16th April 2025
109AQI
17th April 2025
104AQI
18th April 2025
70AQI
19th April 2025
56AQI
20th April 2025
53AQI
21st April 2025
57AQI
22nd April 2025
57AQI
23rd April 2025
51AQI
24th April 2025
56AQI
25th April 2025
47AQI
26th April 2025
48AQI
27th April 2025
41AQI
28th April 2025
50AQI
29th April 2025
47AQI
30th April 2025
54AQI
1st May 2025
56AQI
2nd May 2025
58AQI
3rd May 2025
57AQI
4th May 2025
55AQI
5th May 2025
48AQI
6th May 2025
54AQI
7th May 2025
56AQI
8th May 2025
46AQI
9th May 2025
49AQI
10th May 2025
44AQI
11th May 2025
50AQI
12th May 2025
57AQI
13th May 2025
55AQI
14th May 2025
42AQI
15th May 2025
35AQI
16th May 2025
32AQI
17th May 2025
34AQI
18th May 2025
37AQI
19th May 2025
37AQI
20th May 2025
41AQI
21st May 2025
41AQI
22nd May 2025
33AQI
23rd May 2025
28AQI
24th May 2025
31AQI
25th May 2025
39AQI
26th May 2025
54AQI
27th May 2025
47AQI
28th May 2025
40AQI
29th May 2025
35AQI
30th May 2025
41AQI
31st May 2025
38AQI
1st June 2025
40AQI
2nd June 2025
42AQI
3rd June 2025
44AQI
4th June 2025
40AQI
5th June 2025
36AQI
6th June 2025
36AQI
7th June 2025
39AQI
8th June 2025
43AQI
9th June 2025
47AQI
10th June 2025
50AQI
11th June 2025
44AQI
12th June 2025
35AQI
13th June 2025
32AQI
14th June 2025
30AQI
15th June 2025
37AQI
16th June 2025
41AQI
17th June 2025
39AQI
18th June 2025
38AQI
19th June 2025
38AQI
20th June 2025
41AQI
21st June 2025
35AQI
22nd June 2025
39AQI
23rd June 2025
33AQI
24th June 2025
30AQI
25th June 2025
28AQI
26th June 2025
27AQI
27th June 2025
25AQI
28th June 2025
30AQI
29th June 2025
28AQI
30th June 2025
29AQI
1st July 2025
32AQI
2nd July 2025
27AQI
3rd July 2025
26AQI
4th July 2025
27AQI
5th July 2025
28AQI
6th July 2025
28AQI
7th July 2025
29AQI
8th July 2025
34AQI
9th July 2025
43AQI
10th July 2025
46AQI
11th July 2025
45AQI
12th July 2025
45AQI
13th July 2025
49AQI
14th July 2025
50AQI
15th July 2025
51AQI
16th July 2025
50AQI
17th July 2025
50AQI
18th July 2025
51AQI
19th July 2025
53AQI
20th July 2025
45AQI
21st July 2025
38AQI
22nd July 2025
40AQI
23rd July 2025
38AQI
24th July 2025
35AQI
25th July 2025
38AQI
26th July 2025
37AQI
27th July 2025
38AQI
28th July 2025
30AQI
29th July 2025
31AQI
30th July 2025
38AQI
31st July 2025
48AQI
1st August 2025
56AQI
2nd August 2025
55AQI
3rd August 2025
57AQI
4th August 2025
57AQI
5th August 2025
54AQI
6th August 2025
56AQI
7th August 2025
52AQI
8th August 2025
45AQI
9th August 2025
46AQI
10th August 2025
42AQI
11th August 2025
46AQI
12th August 2025
43AQI
13th August 2025
42AQI
14th August 2025
39AQI
15th August 2025
34AQI
16th August 2025
32AQI
17th August 2025
31AQI
18th August 2025
29AQI
19th August 2025
31AQI
20th August 2025
34AQI
21st August 2025
32AQI
22nd August 2025
34AQI
23rd August 2025
33AQI
24th August 2025
35AQI
25th August 2025
33AQI
26th August 2025
33AQI
27th August 2025
33AQI
28th August 2025
39AQI
29th August 2025
39AQI
30th August 2025
34AQI
31st August 2025
33AQI
1st September 2025
33AQI
2nd September 2025
33AQI
3rd September 2025
32AQI
4th September 2025
26AQI
5th September 2025
25AQI
6th September 2025
28AQI
7th September 2025
40AQI
8th September 2025
37AQI
9th September 2025
34AQI
10th September 2025
32AQI
11th September 2025
29AQI
12th September 2025
30AQI
13th September 2025
29AQI
14th September 2025
27AQI
15th September 2025
27AQI
16th September 2025
26AQI
17th September 2025
29AQI
18th September 2025
28AQI
19th September 2025
25AQI
20th September 2025
32AQI
21st September 2025
30AQI
22nd September 2025
29AQI
23rd September 2025
31AQI
24th September 2025
36AQI
25th September 2025
35AQI
26th September 2025
36AQI
27th September 2025
39AQI
28th September 2025
23AQI
29th September 2025
42AQI
30th September 2025
40AQI
1st October 2025
36AQI
2nd October 2025
33AQI
3rd October 2025
36AQI
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

84AQI

55AQI

53AQI

63AQI

44AQI

37AQI

39AQI

41AQI

31AQI

35AQI

No. of days

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

202549AQI

25
6
11
17
13
18
7
18
5
22
9
30
28
3
24
7
30
3
168
97
11

Highest AQI recorded in

January

84AQI

Lowest AQI recorded in

September

31AQI

202448AQI

4
26
9
13
11
15
17
4
18
6
30
31
31
27
2
19
9
3
19
11
25
6
216
111
9

Highest AQI recorded in

December

83AQI

Lowest AQI recorded in

July

31AQI

202356AQI

3
8
1
3
10
2
2
1
5
2
8
1
1
4
3
30
25
59

Highest AQI recorded in

January

70AQI

Lowest AQI recorded in

July

21AQI

202245AQI

11
18
13
8
21
10
10
7
30
1
27
3
17
1
2
7
12
11
2
18
5
3
9
1
165
79
3

Highest AQI recorded in

September

62AQI

Lowest AQI recorded in

August

21AQI

202147AQI

1
23
7
8
19
1
17
14
21
9
29
2
22
8
30
1
29
2
27
3
23
8
7
23
8
21
2
222
133
10

Highest AQI recorded in

January

80AQI

Lowest AQI recorded in

September

29AQI

202045AQI

2
5
3
10
11
5
27
1
31
29
2
27
3
15
16
10
15
5
6
18
7
161
75
12

Highest AQI recorded in

December

78AQI

Lowest AQI recorded in

June

22AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
56AQI
Least Polluted Year Recorded
2022(Avg.)
45AQI

Middle School's annual 2025 AQI (49) shows an average percentage change of 3.2% (worsened AQI) compared to previous years: 2020 (45), 2021 (47), 2022 (45), 2023 (56), 2024 (48).