Dongpo School Sub Station, Nada, 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
Dongpo School Sub Station, Nada, Hainan, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
26th Sep 2022
82AQILowest AQI recorded on
8th Sep 2022
13AQISame Day Analysis (22nd September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 29 of Good air quality, showing improvement over 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 23rd Sep - 24th Sep 2025
Dongpo School Sub Station, Nada, Hainan, China
AQI
Day
Night
.
6 AM23rd Sep 2025
6 PM
5 AM24th Sep 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
11PM23rd Sep
50AQI
Avg. Lowest Time
10AM23rd Sep
18AQI
In the last 24 hours,
Dongpo School Sub Station's AQI reached its highest point of 50 at 11 PM during the Night, while the lowest point, 18, was recorded at 10 AM during the Night between 23rd Sep and 24th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Dongpo School Sub Station, Nada, Hainan, China
AugSep
25th - 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 - 23rd23rd - 24th24th
Day
Night
25th Aug 2025406 AMAQI
25th Aug 2025407 AMAQI
25th Aug 2025308 AMAQI
25th Aug 2025339 AMAQI
25th Aug 20252810 AMAQI
25th Aug 20253011 AMAQI
25th Aug 20253312 PMAQI
25th Aug 2025321 PMAQI
25th Aug 2025302 PMAQI
25th Aug 2025243 PMAQI
25th Aug 2025264 PMAQI
25th Aug 2025275 PMAQI
25th Aug 2025266 PMAQI
25th Aug 2025307 PMAQI
25th Aug 2025388 PMAQI
25th Aug 2025399 PMAQI
25th Aug 20254010 PMAQI
25th Aug 20253711 PMAQI
26th Aug 20254012 AMAQI
26th Aug 2025381 AMAQI
26th Aug 2025402 AMAQI
26th Aug 2025393 AMAQI
26th Aug 2025374 AMAQI
26th Aug 2025385 AMAQI
25°C23/27°C
26th Aug 2025396 AMAQI
26th Aug 2025387 AMAQI
26th Aug 2025298 AMAQI
26th Aug 2025429 AMAQI
26th Aug 20253610 AMAQI
26th Aug 20253611 AMAQI
26th Aug 20254012 PMAQI
26th Aug 2025321 PMAQI
26th Aug 2025322 PMAQI
26th Aug 2025303 PMAQI
26th Aug 2025274 PMAQI
26th Aug 2025295 PMAQI
26th Aug 2025296 PMAQI
26th Aug 2025317 PMAQI
26th Aug 2025348 PMAQI
26th Aug 2025359 PMAQI
26th Aug 20253410 PMAQI
26th Aug 20253511 PMAQI
27th Aug 20253612 AMAQI
27th Aug 2025401 AMAQI
27th Aug 2025402 AMAQI
27th Aug 2025403 AMAQI
27th Aug 2025394 AMAQI
27th Aug 2025395 AMAQI
26°C24/30°C
27th Aug 2025406 AMAQI
27th Aug 2025387 AMAQI
27th Aug 2025388 AMAQI
27th Aug 2025389 AMAQI
27th Aug 20255010 AMAQI
27th Aug 20255011 AMAQI
27th Aug 20255512 PMAQI
27th Aug 2025291 PMAQI
27th Aug 2025312 PMAQI
27th Aug 2025283 PMAQI
27th Aug 2025294 PMAQI
27th Aug 2025245 PMAQI
27th Aug 2025246 PMAQI
27th Aug 2025367 PMAQI
27th Aug 2025328 PMAQI
27th Aug 2025349 PMAQI
27th Aug 20253610 PMAQI
27th Aug 20253311 PMAQI
28th Aug 20253612 AMAQI
28th Aug 2025381 AMAQI
28th Aug 2025382 AMAQI
28th Aug 2025393 AMAQI
28th Aug 2025414 AMAQI
28th Aug 2025405 AMAQI
26°C23/29°C
28th Aug 2025426 AMAQI
28th Aug 2025407 AMAQI
28th Aug 2025348 AMAQI
28th Aug 2025419 AMAQI
28th Aug 20253710 AMAQI
28th Aug 20253711 AMAQI
28th Aug 20253212 PMAQI
28th Aug 2025341 PMAQI
28th Aug 2025352 PMAQI
28th Aug 2025443 PMAQI
28th Aug 2025464 PMAQI
28th Aug 2025485 PMAQI
28th Aug 2025336 PMAQI
28th Aug 2025367 PMAQI
28th Aug 2025348 PMAQI
28th Aug 2025349 PMAQI
28th Aug 20254010 PMAQI
28th Aug 20253411 PMAQI
29th Aug 20253512 AMAQI
29th Aug 2025471 AMAQI
29th Aug 2025472 AMAQI
29th Aug 2025433 AMAQI
29th Aug 2025464 AMAQI
29th Aug 2025445 AMAQI
26°C23/31°C
29th Aug 2025446 AMAQI
29th Aug 2025467 AMAQI
29th Aug 2025498 AMAQI
29th Aug 2025319 AMAQI
29th Aug 20254010 AMAQI
29th Aug 20252311 AMAQI
29th Aug 20253412 PMAQI
29th Aug 2025411 PMAQI
29th Aug 2025382 PMAQI
29th Aug 2025343 PMAQI
29th Aug 2025304 PMAQI
29th Aug 2025325 PMAQI
29th Aug 2025406 PMAQI
29th Aug 2025447 PMAQI
29th Aug 2025438 PMAQI
29th Aug 2025389 PMAQI
29th Aug 20254410 PMAQI
29th Aug 20254411 PMAQI
30th Aug 20253812 AMAQI
30th Aug 2025461 AMAQI
30th Aug 2025452 AMAQI
30th Aug 2025433 AMAQI
30th Aug 2025444 AMAQI
30th Aug 2025435 AMAQI
25°C24/27°C
30th Aug 2025436 AMAQI
30th Aug 2025437 AMAQI
30th Aug 2025288 AMAQI
30th Aug 2025269 AMAQI
30th Aug 20253010 AMAQI
30th Aug 20253111 AMAQI
30th Aug 20252812 PMAQI
30th Aug 2025271 PMAQI
30th Aug 2025282 PMAQI
30th Aug 2025253 PMAQI
30th Aug 2025254 PMAQI
30th Aug 2025295 PMAQI
30th Aug 2025346 PMAQI
30th Aug 2025367 PMAQI
30th Aug 2025418 PMAQI
30th Aug 2025359 PMAQI
30th Aug 20253610 PMAQI
30th Aug 20253611 PMAQI
31st Aug 20253912 AMAQI
31st Aug 2025411 AMAQI
31st Aug 2025482 AMAQI
31st Aug 2025413 AMAQI
31st Aug 2025394 AMAQI
31st Aug 2025435 AMAQI
26°C25/28°C
31st Aug 2025416 AMAQI
31st Aug 2025417 AMAQI
31st Aug 2025378 AMAQI
31st Aug 2025199 AMAQI
31st Aug 20252910 AMAQI
31st Aug 20253211 AMAQI
31st Aug 20253912 PMAQI
31st Aug 2025351 PMAQI
31st Aug 2025302 PMAQI
31st Aug 2025363 PMAQI
31st Aug 2025314 PMAQI
31st Aug 2025305 PMAQI
31st Aug 2025286 PMAQI
31st Aug 2025307 PMAQI
31st Aug 2025358 PMAQI
31st Aug 2025389 PMAQI
31st Aug 20254410 PMAQI
31st Aug 20254711 PMAQI
1st Sep 20253512 AMAQI
1st Sep 2025401 AMAQI
1st Sep 2025442 AMAQI
1st Sep 2025423 AMAQI
1st Sep 2025404 AMAQI
1st Sep 2025435 AMAQI
26°C23/31°C
1st Sep 2025486 AMAQI
1st Sep 2025467 AMAQI
1st Sep 2025218 AMAQI
1st Sep 2025269 AMAQI
1st Sep 20252710 AMAQI
1st Sep 20253011 AMAQI
1st Sep 20252512 PMAQI
1st Sep 2025351 PMAQI
1st Sep 2025272 PMAQI
1st Sep 2025263 PMAQI
1st Sep 2025274 PMAQI
1st Sep 2025295 PMAQI
1st Sep 2025346 PMAQI
1st Sep 2025307 PMAQI
1st Sep 2025368 PMAQI
1st Sep 2025369 PMAQI
1st Sep 20253810 PMAQI
1st Sep 20254811 PMAQI
2nd Sep 20254212 AMAQI
2nd Sep 2025431 AMAQI
2nd Sep 2025432 AMAQI
2nd Sep 2025413 AMAQI
2nd Sep 2025404 AMAQI
2nd Sep 2025405 AMAQI
26°C23/30°C
2nd Sep 2025406 AMAQI
2nd Sep 2025457 AMAQI
2nd Sep 2025408 AMAQI
2nd Sep 2025449 AMAQI
2nd Sep 20253610 AMAQI
2nd Sep 20252911 AMAQI
2nd Sep 20252712 PMAQI
2nd Sep 2025261 PMAQI
2nd Sep 2025292 PMAQI
2nd Sep 2025253 PMAQI
2nd Sep 2025324 PMAQI
2nd Sep 2025325 PMAQI
2nd Sep 2025246 PMAQI
2nd Sep 2025397 PMAQI
2nd Sep 2025408 PMAQI
2nd Sep 2025349 PMAQI
2nd Sep 20253810 PMAQI
2nd Sep 20254211 PMAQI
3rd Sep 20254112 AMAQI
3rd Sep 2025421 AMAQI
3rd Sep 2025492 AMAQI
3rd Sep 2025473 AMAQI
3rd Sep 2025484 AMAQI
3rd Sep 2025405 AMAQI
26°C23/30°C
3rd Sep 2025446 AMAQI
3rd Sep 2025437 AMAQI
3rd Sep 2025318 AMAQI
3rd Sep 2025369 AMAQI
3rd Sep 20253110 AMAQI
3rd Sep 20253811 AMAQI
3rd Sep 20253212 PMAQI
3rd Sep 2025291 PMAQI
3rd Sep 2025282 PMAQI
3rd Sep 2025253 PMAQI
3rd Sep 2025304 PMAQI
3rd Sep 2025295 PMAQI
3rd Sep 2025256 PMAQI
3rd Sep 2025367 PMAQI
3rd Sep 2025388 PMAQI
3rd Sep 2025349 PMAQI
3rd Sep 20254110 PMAQI
3rd Sep 20254011 PMAQI
4th Sep 20254012 AMAQI
4th Sep 2025431 AMAQI
4th Sep 2025432 AMAQI
4th Sep 2025423 AMAQI
4th Sep 2025404 AMAQI
4th Sep 2025425 AMAQI
27°C24/30°C
4th Sep 2025396 AMAQI
4th Sep 2025407 AMAQI
4th Sep 2025388 AMAQI
4th Sep 2025479 AMAQI
4th Sep 20253910 AMAQI
4th Sep 20255211 AMAQI
4th Sep 20253212 PMAQI
4th Sep 2025321 PMAQI
4th Sep 2025262 PMAQI
4th Sep 2025253 PMAQI
4th Sep 2025324 PMAQI
4th Sep 2025395 PMAQI
4th Sep 2025366 PMAQI
4th Sep 2025307 PMAQI
4th Sep 2025338 PMAQI
4th Sep 2025309 PMAQI
4th Sep 20252810 PMAQI
4th Sep 20252611 PMAQI
5th Sep 20252612 AMAQI
5th Sep 2025381 AMAQI
5th Sep 2025382 AMAQI
5th Sep 2025393 AMAQI
5th Sep 2025404 AMAQI
5th Sep 2025405 AMAQI
27°C24/31°C
5th Sep 2025406 AMAQI
5th Sep 2025407 AMAQI
5th Sep 2025418 AMAQI
5th Sep 2025389 AMAQI
5th Sep 20253610 AMAQI
5th Sep 20252711 AMAQI
5th Sep 20253112 PMAQI
5th Sep 2025301 PMAQI
5th Sep 2025372 PMAQI
5th Sep 2025363 PMAQI
5th Sep 2025254 PMAQI
5th Sep 2025255 PMAQI
5th Sep 2025326 PMAQI
5th Sep 2025297 PMAQI
5th Sep 2025358 PMAQI
5th Sep 2025329 PMAQI
5th Sep 20253310 PMAQI
5th Sep 20253611 PMAQI
6th Sep 20252812 AMAQI
6th Sep 2025301 AMAQI
6th Sep 2025342 AMAQI
6th Sep 2025363 AMAQI
6th Sep 2025404 AMAQI
6th Sep 2025365 AMAQI
27°C24/32°C
6th Sep 2025386 AMAQI
6th Sep 2025357 AMAQI
6th Sep 2025208 AMAQI
6th Sep 2025349 AMAQI
6th Sep 20253810 AMAQI
6th Sep 20253211 AMAQI
6th Sep 20253112 PMAQI
6th Sep 2025281 PMAQI
6th Sep 2025212 PMAQI
6th Sep 2025263 PMAQI
6th Sep 2025264 PMAQI
6th Sep 2025255 PMAQI
6th Sep 2025266 PMAQI
6th Sep 2025317 PMAQI
6th Sep 2025308 PMAQI
6th Sep 2025409 PMAQI
6th Sep 20253410 PMAQI
6th Sep 20253911 PMAQI
7th Sep 20254212 AMAQI
7th Sep 2025361 AMAQI
7th Sep 2025362 AMAQI
7th Sep 2025423 AMAQI
7th Sep 2025384 AMAQI
7th Sep 2025385 AMAQI
27°C24/32°C
7th Sep 2025386 AMAQI
7th Sep 2025387 AMAQI
7th Sep 2025458 AMAQI
7th Sep 2025479 AMAQI
7th Sep 20254810 AMAQI
7th Sep 20255311 AMAQI
7th Sep 20254712 PMAQI
7th Sep 2025541 PMAQI
7th Sep 2025552 PMAQI
7th Sep 2025523 PMAQI
7th Sep 2025514 PMAQI
7th Sep 2025505 PMAQI
7th Sep 2025576 PMAQI
7th Sep 2025527 PMAQI
7th Sep 2025548 PMAQI
7th Sep 2025539 PMAQI
7th Sep 20255110 PMAQI
7th Sep 20254811 PMAQI
8th Sep 20254212 AMAQI
8th Sep 2025381 AMAQI
8th Sep 2025412 AMAQI
8th Sep 2025433 AMAQI
8th Sep 2025414 AMAQI
8th Sep 2025435 AMAQI
26°C24/31°C
8th Sep 2025436 AMAQI
8th Sep 2025427 AMAQI
8th Sep 2025388 AMAQI
8th Sep 2025489 AMAQI
8th Sep 20254510 AMAQI
8th Sep 20255011 AMAQI
8th Sep 20254812 PMAQI
8th Sep 2025411 PMAQI
8th Sep 2025482 PMAQI
8th Sep 2025393 PMAQI
8th Sep 2025334 PMAQI
8th Sep 2025235 PMAQI
8th Sep 2025326 PMAQI
8th Sep 2025397 PMAQI
8th Sep 2025448 PMAQI
8th Sep 2025489 PMAQI
8th Sep 20254910 PMAQI
8th Sep 20255111 PMAQI
9th Sep 20254012 AMAQI
9th Sep 2025421 AMAQI
9th Sep 2025402 AMAQI
9th Sep 2025453 AMAQI
9th Sep 2025484 AMAQI
9th Sep 2025445 AMAQI
26°C23/30°C
9th Sep 2025446 AMAQI
9th Sep 2025447 AMAQI
9th Sep 2025298 AMAQI
9th Sep 2025289 AMAQI
9th Sep 20253710 AMAQI
9th Sep 20253611 AMAQI
9th Sep 20252912 PMAQI
9th Sep 2025311 PMAQI
9th Sep 2025262 PMAQI
9th Sep 2025263 PMAQI
9th Sep 2025284 PMAQI
9th Sep 2025355 PMAQI
9th Sep 2025366 PMAQI
9th Sep 2025357 PMAQI
9th Sep 2025358 PMAQI
9th Sep 2025349 PMAQI
9th Sep 20253310 PMAQI
9th Sep 20253411 PMAQI
10th Sep 20253812 AMAQI
10th Sep 2025401 AMAQI
10th Sep 2025432 AMAQI
10th Sep 2025423 AMAQI
10th Sep 2025394 AMAQI
10th Sep 2025415 AMAQI
27°C23/31°C
10th Sep 2025396 AMAQI
10th Sep 2025397 AMAQI
10th Sep 2025248 AMAQI
10th Sep 2025259 AMAQI
10th Sep 20253110 AMAQI
10th Sep 20253211 AMAQI
10th Sep 20253212 PMAQI
10th Sep 2025311 PMAQI
10th Sep 2025302 PMAQI
10th Sep 2025263 PMAQI
10th Sep 2025284 PMAQI
10th Sep 2025315 PMAQI
10th Sep 2025286 PMAQI
10th Sep 2025367 PMAQI
10th Sep 2025398 PMAQI
10th Sep 2025389 PMAQI
10th Sep 20254010 PMAQI
10th Sep 20253911 PMAQI
11th Sep 20253812 AMAQI
11th Sep 2025421 AMAQI
11th Sep 2025392 AMAQI
11th Sep 2025403 AMAQI
11th Sep 2025394 AMAQI
11th Sep 2025385 AMAQI
26°C24/31°C
11th Sep 2025366 AMAQI
11th Sep 2025367 AMAQI
11th Sep 2025308 AMAQI
11th Sep 2025349 AMAQI
11th Sep 20252810 AMAQI
11th Sep 20252911 AMAQI
11th Sep 20252712 PMAQI
11th Sep 2025251 PMAQI
11th Sep 2025302 PMAQI
11th Sep 2025273 PMAQI
11th Sep 2025234 PMAQI
11th Sep 2025245 PMAQI
11th Sep 2025286 PMAQI
11th Sep 2025297 PMAQI
11th Sep 2025308 PMAQI
11th Sep 2025339 PMAQI
11th Sep 20252810 PMAQI
11th Sep 20253011 PMAQI
12th Sep 20253412 AMAQI
12th Sep 2025381 AMAQI
12th Sep 2025402 AMAQI
12th Sep 2025383 AMAQI
12th Sep 2025354 AMAQI
12th Sep 2025375 AMAQI
27°C23/32°C
12th Sep 2025366 AMAQI
12th Sep 2025357 AMAQI
12th Sep 2025348 AMAQI
12th Sep 2025329 AMAQI
12th Sep 20252510 AMAQI
12th Sep 20253611 AMAQI
12th Sep 20253312 PMAQI
12th Sep 2025321 PMAQI
12th Sep 2025252 PMAQI
12th Sep 2025343 PMAQI
12th Sep 2025334 PMAQI
12th Sep 2025355 PMAQI
12th Sep 2025246 PMAQI
12th Sep 2025297 PMAQI
12th Sep 2025358 PMAQI
12th Sep 2025339 PMAQI
12th Sep 20253410 PMAQI
12th Sep 20253411 PMAQI
13th Sep 20253612 AMAQI
13th Sep 2025391 AMAQI
13th Sep 2025372 AMAQI
13th Sep 2025353 AMAQI
13th Sep 2025354 AMAQI
13th Sep 2025375 AMAQI
27°C23/32°C
13th Sep 2025366 AMAQI
13th Sep 2025347 AMAQI
13th Sep 2025348 AMAQI
13th Sep 2025399 AMAQI
13th Sep 20253010 AMAQI
13th Sep 20252811 AMAQI
13th Sep 20252412 PMAQI
13th Sep 2025261 PMAQI
13th Sep 2025242 PMAQI
13th Sep 2025263 PMAQI
13th Sep 2025264 PMAQI
13th Sep 2025245 PMAQI
13th Sep 2025256 PMAQI
13th Sep 2025357 PMAQI
13th Sep 2025388 PMAQI
13th Sep 2025369 PMAQI
13th Sep 20253510 PMAQI
13th Sep 20253411 PMAQI
14th Sep 20253612 AMAQI
14th Sep 2025351 AMAQI
14th Sep 2025362 AMAQI
14th Sep 2025343 AMAQI
14th Sep 2025354 AMAQI
14th Sep 2025345 AMAQI
26°C23/31°C
14th Sep 2025346 AMAQI
14th Sep 2025357 AMAQI
14th Sep 2025288 AMAQI
14th Sep 2025269 AMAQI
14th Sep 20252710 AMAQI
14th Sep 20252911 AMAQI
14th Sep 20252712 PMAQI
14th Sep 2025251 PMAQI
14th Sep 2025212 PMAQI
14th Sep 2025243 PMAQI
14th Sep 2025234 PMAQI
14th Sep 2025215 PMAQI
14th Sep 2025176 PMAQI
14th Sep 2025267 PMAQI
14th Sep 2025308 PMAQI
14th Sep 2025369 PMAQI
14th Sep 20252910 PMAQI
14th Sep 20252911 PMAQI
15th Sep 20253012 AMAQI
15th Sep 2025341 AMAQI
15th Sep 2025352 AMAQI
15th Sep 2025343 AMAQI
15th Sep 2025344 AMAQI
15th Sep 2025345 AMAQI
26°C23/31°C
15th Sep 2025346 AMAQI
15th Sep 2025347 AMAQI
15th Sep 2025328 AMAQI
15th Sep 2025369 AMAQI
15th Sep 20253410 AMAQI
15th Sep 20253411 AMAQI
15th Sep 20252112 PMAQI
15th Sep 2025181 PMAQI
15th Sep 2025192 PMAQI
15th Sep 2025203 PMAQI
15th Sep 2025204 PMAQI
15th Sep 2025225 PMAQI
15th Sep 2025256 PMAQI
15th Sep 2025327 PMAQI
15th Sep 2025328 PMAQI
15th Sep 2025339 PMAQI
15th Sep 20253210 PMAQI
15th Sep 20253011 PMAQI
16th Sep 20253312 AMAQI
16th Sep 2025341 AMAQI
16th Sep 2025342 AMAQI
16th Sep 2025323 AMAQI
16th Sep 2025324 AMAQI
16th Sep 2025335 AMAQI
26°C23/32°C
16th Sep 2025326 AMAQI
16th Sep 2025337 AMAQI
16th Sep 2025338 AMAQI
16th Sep 2025299 AMAQI
16th Sep 20252810 AMAQI
16th Sep 20252411 AMAQI
16th Sep 20252512 PMAQI
16th Sep 2025271 PMAQI
16th Sep 2025222 PMAQI
16th Sep 2025173 PMAQI
16th Sep 2025204 PMAQI
16th Sep 2025195 PMAQI
16th Sep 2025176 PMAQI
16th Sep 2025227 PMAQI
16th Sep 2025288 PMAQI
16th Sep 2025309 PMAQI
16th Sep 20253510 PMAQI
16th Sep 20253211 PMAQI
17th Sep 20252812 AMAQI
17th Sep 2025341 AMAQI
17th Sep 2025332 AMAQI
17th Sep 2025333 AMAQI
17th Sep 2025324 AMAQI
17th Sep 2025325 AMAQI
25°C24/29°C
17th Sep 2025326 AMAQI
17th Sep 2025327 AMAQI
17th Sep 2025208 AMAQI
17th Sep 2025229 AMAQI
17th Sep 20252410 AMAQI
17th Sep 20252111 AMAQI
17th Sep 20252412 PMAQI
17th Sep 2025261 PMAQI
17th Sep 2025242 PMAQI
17th Sep 2025213 PMAQI
17th Sep 2025244 PMAQI
17th Sep 2025225 PMAQI
17th Sep 2025226 PMAQI
17th Sep 2025277 PMAQI
17th Sep 2025308 PMAQI
17th Sep 2025259 PMAQI
17th Sep 20252510 PMAQI
17th Sep 20253011 PMAQI
18th Sep 20252812 AMAQI
18th Sep 2025331 AMAQI
18th Sep 2025332 AMAQI
18th Sep 2025333 AMAQI
18th Sep 2025324 AMAQI
18th Sep 2025325 AMAQI
26°C24/30°C
18th Sep 2025306 AMAQI
18th Sep 2025317 AMAQI
18th Sep 2025228 AMAQI
18th Sep 2025219 AMAQI
18th Sep 20252010 AMAQI
18th Sep 20251711 AMAQI
18th Sep 20251812 PMAQI
18th Sep 2025221 PMAQI
18th Sep 2025222 PMAQI
18th Sep 2025183 PMAQI
18th Sep 2025184 PMAQI
18th Sep 2025185 PMAQI
18th Sep 2025286 PMAQI
18th Sep 2025217 PMAQI
18th Sep 2025278 PMAQI
18th Sep 2025299 PMAQI
18th Sep 20253010 PMAQI
18th Sep 20252711 PMAQI
19th Sep 20252612 AMAQI
19th Sep 2025301 AMAQI
19th Sep 2025322 AMAQI
19th Sep 2025323 AMAQI
19th Sep 2025314 AMAQI
19th Sep 2025305 AMAQI
26°C24/30°C
19th Sep 2025296 AMAQI
19th Sep 2025297 AMAQI
19th Sep 2025278 AMAQI
19th Sep 2025259 AMAQI
19th Sep 20252510 AMAQI
19th Sep 20252011 AMAQI
19th Sep 20252412 PMAQI
19th Sep 2025171 PMAQI
19th Sep 2025192 PMAQI
19th Sep 2025173 PMAQI
19th Sep 2025184 PMAQI
19th Sep 2025185 PMAQI
19th Sep 2025186 PMAQI
19th Sep 2025227 PMAQI
19th Sep 2025288 PMAQI
19th Sep 2025349 PMAQI
19th Sep 20253410 PMAQI
19th Sep 20252611 PMAQI
20th Sep 20252512 AMAQI
20th Sep 2025311 AMAQI
20th Sep 2025312 AMAQI
20th Sep 2025323 AMAQI
20th Sep 2025294 AMAQI
20th Sep 2025295 AMAQI
27°C23/31°C
20th Sep 2025296 AMAQI
20th Sep 2025297 AMAQI
20th Sep 2025308 AMAQI
20th Sep 2025379 AMAQI
20th Sep 20252910 AMAQI
20th Sep 20252811 AMAQI
20th Sep 20252612 PMAQI
20th Sep 2025261 PMAQI
20th Sep 2025282 PMAQI
20th Sep 2025303 PMAQI
20th Sep 2025304 PMAQI
20th Sep 2025315 PMAQI
20th Sep 2025336 PMAQI
20th Sep 2025327 PMAQI
20th Sep 2025348 PMAQI
20th Sep 2025389 PMAQI
20th Sep 20253910 PMAQI
20th Sep 20254811 PMAQI
21st Sep 20253812 AMAQI
21st Sep 2025281 AMAQI
21st Sep 2025302 AMAQI
21st Sep 2025303 AMAQI
21st Sep 2025324 AMAQI
21st Sep 2025305 AMAQI
27°C24/31°C
21st Sep 2025296 AMAQI
21st Sep 2025297 AMAQI
21st Sep 2025278 AMAQI
21st Sep 2025529 AMAQI
21st Sep 20254310 AMAQI
21st Sep 20253011 AMAQI
21st Sep 20253512 PMAQI
21st Sep 2025401 PMAQI
21st Sep 2025422 PMAQI
21st Sep 2025503 PMAQI
21st Sep 2025454 PMAQI
21st Sep 2025385 PMAQI
21st Sep 2025406 PMAQI
21st Sep 2025387 PMAQI
21st Sep 2025468 PMAQI
21st Sep 2025529 PMAQI
21st Sep 20255110 PMAQI
21st Sep 20255011 PMAQI
22nd Sep 20254512 AMAQI
22nd Sep 2025311 AMAQI
22nd Sep 2025312 AMAQI
22nd Sep 2025323 AMAQI
22nd Sep 2025334 AMAQI
22nd Sep 2025345 AMAQI
27°C24/31°C
22nd Sep 2025346 AMAQI
22nd Sep 2025347 AMAQI
22nd Sep 2025288 AMAQI
22nd Sep 2025329 AMAQI
22nd Sep 20252910 AMAQI
22nd Sep 20251811 AMAQI
22nd Sep 20251812 PMAQI
22nd Sep 2025181 PMAQI
22nd Sep 2025262 PMAQI
22nd Sep 2025273 PMAQI
22nd Sep 2025244 PMAQI
22nd Sep 2025175 PMAQI
22nd Sep 2025186 PMAQI
22nd Sep 2025287 PMAQI
22nd Sep 2025318 PMAQI
22nd Sep 2025299 PMAQI
22nd Sep 20253010 PMAQI
22nd Sep 20253111 PMAQI
23rd Sep 20253312 AMAQI
23rd Sep 2025361 AMAQI
23rd Sep 2025362 AMAQI
23rd Sep 2025353 AMAQI
23rd Sep 2025324 AMAQI
23rd Sep 2025325 AMAQI
26°C24/30°C
23rd Sep 2025326 AMAQI
23rd Sep 2025327 AMAQI
23rd Sep 2025288 AMAQI
23rd Sep 2025189 AMAQI
23rd Sep 20251810 AMAQI
23rd Sep 20251911 AMAQI
23rd Sep 20252012 PMAQI
23rd Sep 2025241 PMAQI
23rd Sep 2025352 PMAQI
23rd Sep 2025363 PMAQI
23rd Sep 2025384 PMAQI
23rd Sep 2025405 PMAQI
23rd Sep 2025406 PMAQI
23rd Sep 2025457 PMAQI
23rd Sep 2025438 PMAQI
23rd Sep 2025479 PMAQI
23rd Sep 20254710 PMAQI
23rd Sep 20255011 PMAQI
24th Sep 20254412 AMAQI
24th Sep 2025341 AMAQI
24th Sep 2025342 AMAQI
24th Sep 2025333 AMAQI
24th Sep 2025324 AMAQI
24th Sep 2025325 AMAQI
--°C/°C
24th Sep 2025346 AMAQI
6 AM12 PM
6 PM
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 7 AM
37AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
3 PM - 6 PM
29AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 7 AM (Avg. 37), while the lowest AQI was between 3 PM to 6 PM (Avg. 29).
Night time
Avg. Highest Time
12 AM - 5 AM
37AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
7 PM
33AQI
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. 37), while the lowest AQI was between 7 PM to 7 PM (Avg. 33).
2025 Days Vs Air Quality
Dongpo School Sub Station, Nada, Hainan, China
2025
51%
135
45%
120
4%
10
Total number of days with different AQI categories in last 266 days in 2025 (99 days remaining)
Good
135 DaysModerate
120 DaysPoor
10 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 51%
Health Risk Level:
Considerable
In 2025, 51% of 266 days were within WHO’s safe air quality limits, and 49% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Dongpo School Sub Station, Nada, 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
109AQI
109AQI
2nd January 2025
97AQI
97AQI
3rd January 2025
99AQI
99AQI
4th January 2025
89AQI
89AQI
5th January 2025
107AQI
107AQI
6th January 2025
108AQI
108AQI
7th January 2025
85AQI
85AQI
8th January 2025
84AQI
84AQI
9th January 2025
98AQI
98AQI
10th January 2025
115AQI
115AQI
11th January 2025
91AQI
91AQI
12th January 2025
89AQI
89AQI
13th January 2025
74AQI
74AQI
14th January 2025
68AQI
68AQI
15th January 2025
78AQI
78AQI
16th January 2025
92AQI
92AQI
17th January 2025
103AQI
103AQI
18th January 2025
82AQI
82AQI
19th January 2025
95AQI
95AQI
20th January 2025
90AQI
90AQI
21st January 2025
81AQI
81AQI
22nd January 2025
90AQI
90AQI
23rd January 2025
72AQI
72AQI
24th January 2025
65AQI
65AQI
25th January 2025
60AQI
60AQI
26th January 2025
55AQI
55AQI
27th January 2025
61AQI
61AQI
28th January 2025
70AQI
70AQI
29th January 2025
72AQI
72AQI
30th January 2025
66AQI
66AQI
31st January 2025
63AQI
63AQI
1st February 2025
56AQI
56AQI
2nd February 2025
52AQI
52AQI
3rd February 2025
60AQI
60AQI
4th February 2025
56AQI
56AQI
5th February 2025
51AQI
51AQI
6th February 2025
61AQI
61AQI
7th February 2025
68AQI
68AQI
8th February 2025
60AQI
60AQI
9th February 2025
69AQI
69AQI
10th February 2025
60AQI
60AQI
11th February 2025
58AQI
58AQI
12th February 2025
46AQI
46AQI
13th February 2025
59AQI
59AQI
14th February 2025
41AQI
41AQI
15th February 2025
63AQI
63AQI
16th February 2025
53AQI
53AQI
17th February 2025
65AQI
65AQI
18th February 2025
63AQI
63AQI
19th February 2025
69AQI
69AQI
20th February 2025
60AQI
60AQI
21st February 2025
62AQI
62AQI
22nd February 2025
46AQI
46AQI
23rd February 2025
49AQI
49AQI
24th February 2025
50AQI
50AQI
25th February 2025
45AQI
45AQI
26th February 2025
52AQI
52AQI
27th February 2025
53AQI
53AQI
28th February 2025
55AQI
55AQI
1st March 2025
59AQI
59AQI
2nd March 2025
53AQI
53AQI
3rd March 2025
70AQI
70AQI
4th March 2025
70AQI
70AQI
5th March 2025
78AQI
78AQI
6th March 2025
40AQI
40AQI
7th March 2025
46AQI
46AQI
8th March 2025
41AQI
41AQI
9th March 2025
58AQI
58AQI
10th March 2025
56AQI
56AQI
11th March 2025
55AQI
55AQI
12th March 2025
48AQI
48AQI
13th March 2025
52AQI
52AQI
14th March 2025
47AQI
47AQI
15th March 2025
64AQI
64AQI
16th March 2025
45AQI
45AQI
17th March 2025
67AQI
67AQI
18th March 2025
69AQI
69AQI
19th March 2025
81AQI
81AQI
20th March 2025
76AQI
76AQI
21st March 2025
77AQI
77AQI
22nd March 2025
74AQI
74AQI
23rd March 2025
85AQI
85AQI
24th March 2025
75AQI
75AQI
25th March 2025
83AQI
83AQI
26th March 2025
80AQI
80AQI
27th March 2025
90AQI
90AQI
28th March 2025
94AQI
94AQI
29th March 2025
59AQI
59AQI
30th March 2025
45AQI
45AQI
31st March 2025
49AQI
49AQI
1st April 2025
53AQI
53AQI
2nd April 2025
62AQI
62AQI
3rd April 2025
59AQI
59AQI
4th April 2025
61AQI
61AQI
5th April 2025
65AQI
65AQI
6th April 2025
42AQI
42AQI
7th April 2025
59AQI
59AQI
8th April 2025
58AQI
58AQI
9th April 2025
65AQI
65AQI
10th April 2025
66AQI
66AQI
11th April 2025
72AQI
72AQI
12th April 2025
68AQI
68AQI
13th April 2025
129AQI
129AQI
14th April 2025
128AQI
128AQI
15th April 2025
126AQI
126AQI
16th April 2025
104AQI
104AQI
17th April 2025
111AQI
111AQI
18th April 2025
84AQI
84AQI
19th April 2025
74AQI
74AQI
20th April 2025
70AQI
70AQI
21st April 2025
60AQI
60AQI
22nd April 2025
66AQI
66AQI
23rd April 2025
61AQI
61AQI
24th April 2025
66AQI
66AQI
25th April 2025
67AQI
67AQI
26th April 2025
56AQI
56AQI
27th April 2025
56AQI
56AQI
28th April 2025
52AQI
52AQI
29th April 2025
47AQI
47AQI
30th April 2025
49AQI
49AQI
1st May 2025
49AQI
49AQI
2nd May 2025
51AQI
51AQI
3rd May 2025
60AQI
60AQI
4th May 2025
61AQI
61AQI
5th May 2025
57AQI
57AQI
6th May 2025
63AQI
63AQI
7th May 2025
61AQI
61AQI
8th May 2025
60AQI
60AQI
9th May 2025
54AQI
54AQI
10th May 2025
49AQI
49AQI
11th May 2025
57AQI
57AQI
12th May 2025
62AQI
62AQI
13th May 2025
54AQI
54AQI
14th May 2025
46AQI
46AQI
15th May 2025
42AQI
42AQI
16th May 2025
42AQI
42AQI
17th May 2025
42AQI
42AQI
18th May 2025
45AQI
45AQI
19th May 2025
43AQI
43AQI
20th May 2025
42AQI
42AQI
21st May 2025
46AQI
46AQI
22nd May 2025
40AQI
40AQI
23rd May 2025
40AQI
40AQI
24th May 2025
42AQI
42AQI
25th May 2025
49AQI
49AQI
26th May 2025
60AQI
60AQI
27th May 2025
52AQI
52AQI
28th May 2025
45AQI
45AQI
29th May 2025
43AQI
43AQI
30th May 2025
47AQI
47AQI
31st May 2025
39AQI
39AQI
1st June 2025
42AQI
42AQI
2nd June 2025
36AQI
36AQI
3rd June 2025
51AQI
51AQI
4th June 2025
55AQI
55AQI
5th June 2025
52AQI
52AQI
6th June 2025
48AQI
48AQI
7th June 2025
49AQI
49AQI
8th June 2025
46AQI
46AQI
9th June 2025
48AQI
48AQI
10th June 2025
53AQI
53AQI
11th June 2025
38AQI
38AQI
12th June 2025
31AQI
31AQI
13th June 2025
27AQI
27AQI
14th June 2025
31AQI
31AQI
15th June 2025
31AQI
31AQI
16th June 2025
27AQI
27AQI
17th June 2025
30AQI
30AQI
18th June 2025
28AQI
28AQI
19th June 2025
30AQI
30AQI
20th June 2025
29AQI
29AQI
21st June 2025
35AQI
35AQI
22nd June 2025
39AQI
39AQI
23rd June 2025
32AQI
32AQI
24th June 2025
32AQI
32AQI
25th June 2025
31AQI
31AQI
26th June 2025
32AQI
32AQI
27th June 2025
30AQI
30AQI
28th June 2025
31AQI
31AQI
29th June 2025
33AQI
33AQI
30th June 2025
28AQI
28AQI
1st July 2025
28AQI
28AQI
2nd July 2025
26AQI
26AQI
3rd July 2025
28AQI
28AQI
4th July 2025
30AQI
30AQI
5th July 2025
31AQI
31AQI
6th July 2025
32AQI
32AQI
7th July 2025
29AQI
29AQI
8th July 2025
36AQI
36AQI
9th July 2025
39AQI
39AQI
10th July 2025
43AQI
43AQI
11th July 2025
42AQI
42AQI
12th July 2025
40AQI
40AQI
13th July 2025
45AQI
45AQI
14th July 2025
49AQI
49AQI
15th July 2025
49AQI
49AQI
16th July 2025
50AQI
50AQI
17th July 2025
45AQI
45AQI
18th July 2025
46AQI
46AQI
19th July 2025
41AQI
41AQI
20th July 2025
40AQI
40AQI
21st July 2025
34AQI
34AQI
22nd July 2025
32AQI
32AQI
23rd July 2025
32AQI
32AQI
24th July 2025
30AQI
30AQI
25th July 2025
33AQI
33AQI
26th July 2025
35AQI
35AQI
27th July 2025
36AQI
36AQI
28th July 2025
32AQI
32AQI
29th July 2025
31AQI
31AQI
30th July 2025
33AQI
33AQI
31st July 2025
42AQI
42AQI
1st August 2025
54AQI
54AQI
2nd August 2025
54AQI
54AQI
3rd August 2025
57AQI
57AQI
4th August 2025
55AQI
55AQI
5th August 2025
55AQI
55AQI
6th August 2025
53AQI
53AQI
7th August 2025
51AQI
51AQI
8th August 2025
52AQI
52AQI
9th August 2025
52AQI
52AQI
10th August 2025
54AQI
54AQI
11th August 2025
48AQI
48AQI
12th August 2025
48AQI
48AQI
13th August 2025
46AQI
46AQI
14th August 2025
41AQI
41AQI
15th August 2025
37AQI
37AQI
16th August 2025
36AQI
36AQI
17th August 2025
34AQI
34AQI
18th August 2025
34AQI
34AQI
19th August 2025
33AQI
33AQI
20th August 2025
36AQI
36AQI
21st August 2025
36AQI
36AQI
22nd August 2025
36AQI
36AQI
23rd August 2025
37AQI
37AQI
24th August 2025
36AQI
36AQI
25th August 2025
35AQI
35AQI
26th August 2025
35AQI
35AQI
27th August 2025
36AQI
36AQI
28th August 2025
38AQI
38AQI
29th August 2025
40AQI
40AQI
30th August 2025
36AQI
36AQI
31st August 2025
37AQI
37AQI
1st September 2025
36AQI
36AQI
2nd September 2025
37AQI
37AQI
3rd September 2025
37AQI
37AQI
4th September 2025
36AQI
36AQI
5th September 2025
32AQI
32AQI
6th September 2025
32AQI
32AQI
7th September 2025
47AQI
47AQI
8th September 2025
42AQI
42AQI
9th September 2025
36AQI
36AQI
10th September 2025
36AQI
36AQI
11th September 2025
32AQI
32AQI
12th September 2025
33AQI
33AQI
13th September 2025
33AQI
33AQI
14th September 2025
29AQI
29AQI
15th September 2025
30AQI
30AQI
16th September 2025
28AQI
28AQI
17th September 2025
27AQI
27AQI
18th September 2025
26AQI
26AQI
19th September 2025
26AQI
26AQI
20th September 2025
32AQI
32AQI
21st September 2025
39AQI
39AQI
22nd September 2025
29AQI
29AQI
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
84AQI
57AQI
64AQI
71AQI
50AQI
37AQI
37AQI
43AQI
33AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202553AQI
26
5
6
22
8
23
3
22
5
18
13
26
4
31
21
10
22
135
120
10
Highest AQI recorded in
January84AQI
Lowest AQI recorded in
September33AQI
202452AQI
10
20
1
7
21
1
10
20
1
30
25
6
30
31
30
1
23
7
12
16
3
3
27
25
6
181
173
12
Highest AQI recorded in
December82AQI
Lowest AQI recorded in
July25AQI
202352AQI
4
23
4
11
15
2
3
24
4
4
24
2
16
15
28
2
30
1
28
3
28
2
18
13
9
16
1
11
19
1
190
157
14
Highest AQI recorded in
January71AQI
Lowest AQI recorded in
July30AQI
202249AQI
13
18
16
5
11
20
11
19
27
4
29
1
24
1
13
15
14
16
1
25
5
4
21
6
188
124
7
Highest AQI recorded in
December76AQI
Lowest AQI recorded in
July26AQI
202154AQI
23
6
2
6
22
8
20
3
12
18
24
7
20
10
29
2
22
9
27
3
23
8
9
19
2
2
28
1
182
169
12
2
Highest AQI recorded in
January89AQI
Lowest AQI recorded in
September35AQI
202050AQI
4
9
7
26
2
31
29
2
25
5
10
21
9
16
5
6
16
9
145
73
14
Highest AQI recorded in
December82AQI
Lowest AQI recorded in
August31AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
54AQILeast Polluted Year Recorded
2022(Avg.)
49AQIDongpo School Sub Station's annual 2025 AQI (53) shows an average percentage change of 4.007% (worsened AQI) compared to previous years: 2020 (50), 2021 (54), 2022 (49), 2023 (52), 2024 (52).
