Daya Bay Management Committee, Huizhou, Guangdong, 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
Daya Bay Management Committee, Huizhou, Guangdong, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
17th Sep 2022
131AQILowest AQI recorded on
4th Sep 2021
12AQISame Day Analysis (21st September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 37 of Good air quality, showing improvement over 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 21st Sep - 22nd Sep 2025
Daya Bay Management Committee, Huizhou, Guangdong, China
AQI
Day
Night
.
6 AM21st Sep 2025
6 PM
5 AM22nd Sep 2025
Day time
Avg. Highest Time
6AM21st Sep
42AQI
Avg. Lowest Time
9AM21st Sep
15AQI
Night time
Avg. Highest Time
1AM22nd Sep
42AQI
Avg. Lowest Time
7PM21st Sep
28AQI
In the last 24 hours,
Daya Bay Management Committee's AQI reached its highest point of 42 at 6 AM during the Day, while the lowest point, 15, was recorded at 9 AM during the Day between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Daya Bay Management Committee, Huizhou, Guangdong, 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 2025426 AMAQI
23rd Aug 2025447 AMAQI
23rd Aug 2025538 AMAQI
23rd Aug 2025579 AMAQI
23rd Aug 20256410 AMAQI
23rd Aug 20256811 AMAQI
23rd Aug 20256212 PMAQI
23rd Aug 2025531 PMAQI
23rd Aug 2025542 PMAQI
23rd Aug 2025413 PMAQI
23rd Aug 2025324 PMAQI
23rd Aug 2025465 PMAQI
23rd Aug 2025366 PMAQI
23rd Aug 2025427 PMAQI
23rd Aug 2025428 PMAQI
23rd Aug 2025419 PMAQI
23rd Aug 20254610 PMAQI
23rd Aug 20254211 PMAQI
24th Aug 20254212 AMAQI
24th Aug 2025441 AMAQI
24th Aug 2025442 AMAQI
24th Aug 2025473 AMAQI
24th Aug 2025494 AMAQI
24th Aug 2025505 AMAQI
29°C26/34°C
24th Aug 2025506 AMAQI
24th Aug 2025507 AMAQI
24th Aug 2025308 AMAQI
24th Aug 2025269 AMAQI
24th Aug 20252610 AMAQI
24th Aug 20253011 AMAQI
24th Aug 20253912 PMAQI
24th Aug 2025401 PMAQI
24th Aug 2025412 PMAQI
24th Aug 2025413 PMAQI
24th Aug 2025364 PMAQI
24th Aug 2025375 PMAQI
24th Aug 2025326 PMAQI
24th Aug 2025397 PMAQI
24th Aug 2025488 PMAQI
24th Aug 2025489 PMAQI
24th Aug 20254810 PMAQI
24th Aug 20254411 PMAQI
25th Aug 20254812 AMAQI
25th Aug 2025491 AMAQI
25th Aug 2025462 AMAQI
25th Aug 2025463 AMAQI
25th Aug 2025434 AMAQI
25th Aug 2025455 AMAQI
28°C25/31°C
25th Aug 2025446 AMAQI
25th Aug 2025467 AMAQI
25th Aug 2025278 AMAQI
25th Aug 2025339 AMAQI
25th Aug 20253010 AMAQI
25th Aug 20253011 AMAQI
25th Aug 20253312 PMAQI
25th Aug 2025381 PMAQI
25th Aug 2025382 PMAQI
25th Aug 2025253 PMAQI
25th Aug 2025294 PMAQI
25th Aug 2025265 PMAQI
25th Aug 2025286 PMAQI
25th Aug 2025417 PMAQI
25th Aug 2025458 PMAQI
25th Aug 2025459 PMAQI
25th Aug 20254010 PMAQI
25th Aug 20254211 PMAQI
26th Aug 20254412 AMAQI
26th Aug 2025471 AMAQI
26th Aug 2025472 AMAQI
26th Aug 2025463 AMAQI
26th Aug 2025424 AMAQI
26th Aug 2025445 AMAQI
28°C25/32°C
26th Aug 2025456 AMAQI
26th Aug 2025467 AMAQI
26th Aug 2025328 AMAQI
26th Aug 2025439 AMAQI
26th Aug 20253410 AMAQI
26th Aug 20253911 AMAQI
26th Aug 20254612 PMAQI
26th Aug 2025561 PMAQI
26th Aug 2025542 PMAQI
26th Aug 2025583 PMAQI
26th Aug 2025564 PMAQI
26th Aug 2025575 PMAQI
26th Aug 2025526 PMAQI
26th Aug 2025557 PMAQI
26th Aug 2025568 PMAQI
26th Aug 2025539 PMAQI
26th Aug 20254710 PMAQI
26th Aug 20254711 PMAQI
27th Aug 20255112 AMAQI
27th Aug 2025461 AMAQI
27th Aug 2025482 AMAQI
27th Aug 2025453 AMAQI
27th Aug 2025464 AMAQI
27th Aug 2025445 AMAQI
28°C25/33°C
27th Aug 2025456 AMAQI
27th Aug 2025477 AMAQI
27th Aug 2025488 AMAQI
27th Aug 2025469 AMAQI
27th Aug 20254410 AMAQI
27th Aug 20254111 AMAQI
27th Aug 20254512 PMAQI
27th Aug 2025421 PMAQI
27th Aug 2025522 PMAQI
27th Aug 2025513 PMAQI
27th Aug 2025484 PMAQI
27th Aug 2025505 PMAQI
27th Aug 2025536 PMAQI
27th Aug 2025447 PMAQI
27th Aug 2025538 PMAQI
27th Aug 2025569 PMAQI
27th Aug 20255010 PMAQI
27th Aug 20255411 PMAQI
28th Aug 20255012 AMAQI
28th Aug 2025461 AMAQI
28th Aug 2025472 AMAQI
28th Aug 2025483 AMAQI
28th Aug 2025474 AMAQI
28th Aug 2025485 AMAQI
28°C25/32°C
28th Aug 2025486 AMAQI
28th Aug 2025497 AMAQI
28th Aug 2025578 AMAQI
28th Aug 2025569 AMAQI
28th Aug 20255410 AMAQI
28th Aug 20255011 AMAQI
28th Aug 20255112 PMAQI
28th Aug 2025501 PMAQI
28th Aug 2025522 PMAQI
28th Aug 2025543 PMAQI
28th Aug 2025574 PMAQI
28th Aug 2025565 PMAQI
28th Aug 2025546 PMAQI
28th Aug 2025527 PMAQI
28th Aug 2025498 PMAQI
28th Aug 2025489 PMAQI
28th Aug 20254610 PMAQI
28th Aug 20255211 PMAQI
29th Aug 20254812 AMAQI
29th Aug 2025511 AMAQI
29th Aug 2025512 AMAQI
29th Aug 2025503 AMAQI
29th Aug 2025504 AMAQI
29th Aug 2025525 AMAQI
28°C25/31°C
29th Aug 2025506 AMAQI
29th Aug 2025517 AMAQI
29th Aug 2025448 AMAQI
29th Aug 2025339 AMAQI
29th Aug 20254210 AMAQI
29th Aug 20255211 AMAQI
29th Aug 20255012 PMAQI
29th Aug 2025481 PMAQI
29th Aug 2025502 PMAQI
29th Aug 2025433 PMAQI
29th Aug 2025484 PMAQI
29th Aug 2025475 PMAQI
29th Aug 2025466 PMAQI
29th Aug 2025457 PMAQI
29th Aug 2025508 PMAQI
29th Aug 2025509 PMAQI
29th Aug 20254810 PMAQI
29th Aug 20255011 PMAQI
30th Aug 20255112 AMAQI
30th Aug 2025521 AMAQI
30th Aug 2025542 AMAQI
30th Aug 2025523 AMAQI
30th Aug 2025514 AMAQI
30th Aug 2025515 AMAQI
29°C25/34°C
30th Aug 2025526 AMAQI
30th Aug 2025527 AMAQI
30th Aug 2025428 AMAQI
30th Aug 2025389 AMAQI
30th Aug 20253810 AMAQI
30th Aug 20253711 AMAQI
30th Aug 20253912 PMAQI
30th Aug 2025361 PMAQI
30th Aug 2025382 PMAQI
30th Aug 2025413 PMAQI
30th Aug 2025404 PMAQI
30th Aug 2025385 PMAQI
30th Aug 2025286 PMAQI
30th Aug 2025417 PMAQI
30th Aug 2025468 PMAQI
30th Aug 2025449 PMAQI
30th Aug 20254510 PMAQI
30th Aug 20254611 PMAQI
31st Aug 20254612 AMAQI
31st Aug 2025521 AMAQI
31st Aug 2025532 AMAQI
31st Aug 2025523 AMAQI
31st Aug 2025504 AMAQI
31st Aug 2025525 AMAQI
28°C25/33°C
31st Aug 2025506 AMAQI
31st Aug 2025527 AMAQI
31st Aug 2025368 AMAQI
31st Aug 2025389 AMAQI
31st Aug 20253110 AMAQI
31st Aug 20253511 AMAQI
31st Aug 20253912 PMAQI
31st Aug 2025431 PMAQI
31st Aug 2025482 PMAQI
31st Aug 2025463 PMAQI
31st Aug 2025464 PMAQI
31st Aug 2025385 PMAQI
31st Aug 2025506 PMAQI
31st Aug 2025517 PMAQI
31st Aug 2025468 PMAQI
31st Aug 2025429 PMAQI
31st Aug 20254210 PMAQI
31st Aug 20254111 PMAQI
1st Sep 20254512 AMAQI
1st Sep 2025511 AMAQI
1st Sep 2025502 AMAQI
1st Sep 2025513 AMAQI
1st Sep 2025504 AMAQI
1st Sep 2025525 AMAQI
28°C26/33°C
1st Sep 2025506 AMAQI
1st Sep 2025527 AMAQI
1st Sep 2025408 AMAQI
1st Sep 2025449 AMAQI
1st Sep 20253610 AMAQI
1st Sep 20254111 AMAQI
1st Sep 20254812 PMAQI
1st Sep 2025481 PMAQI
1st Sep 2025402 PMAQI
1st Sep 2025463 PMAQI
1st Sep 2025444 PMAQI
1st Sep 2025445 PMAQI
1st Sep 2025446 PMAQI
1st Sep 2025507 PMAQI
1st Sep 2025548 PMAQI
1st Sep 2025519 PMAQI
1st Sep 20254510 PMAQI
1st Sep 20255011 PMAQI
2nd Sep 20254712 AMAQI
2nd Sep 2025501 AMAQI
2nd Sep 2025492 AMAQI
2nd Sep 2025483 AMAQI
2nd Sep 2025484 AMAQI
2nd Sep 2025505 AMAQI
29°C25/33°C
2nd Sep 2025486 AMAQI
2nd Sep 2025497 AMAQI
2nd Sep 2025298 AMAQI
2nd Sep 2025379 AMAQI
2nd Sep 20253610 AMAQI
2nd Sep 20253011 AMAQI
2nd Sep 20252812 PMAQI
2nd Sep 2025401 PMAQI
2nd Sep 2025402 PMAQI
2nd Sep 2025363 PMAQI
2nd Sep 2025354 PMAQI
2nd Sep 2025305 PMAQI
2nd Sep 2025266 PMAQI
2nd Sep 2025457 PMAQI
2nd Sep 2025488 PMAQI
2nd Sep 2025589 PMAQI
2nd Sep 20255010 PMAQI
2nd Sep 20255411 PMAQI
3rd Sep 20254712 AMAQI
3rd Sep 2025491 AMAQI
3rd Sep 2025522 AMAQI
3rd Sep 2025493 AMAQI
3rd Sep 2025474 AMAQI
3rd Sep 2025525 AMAQI
28°C25/33°C
3rd Sep 2025516 AMAQI
3rd Sep 2025497 AMAQI
3rd Sep 2025448 AMAQI
3rd Sep 2025329 AMAQI
3rd Sep 20253410 AMAQI
3rd Sep 20253211 AMAQI
3rd Sep 20254912 PMAQI
3rd Sep 2025361 PMAQI
3rd Sep 2025392 PMAQI
3rd Sep 2025343 PMAQI
3rd Sep 2025344 PMAQI
3rd Sep 2025405 PMAQI
3rd Sep 2025346 PMAQI
3rd Sep 2025427 PMAQI
3rd Sep 2025468 PMAQI
3rd Sep 2025509 PMAQI
3rd Sep 20255010 PMAQI
3rd Sep 20254111 PMAQI
4th Sep 20254612 AMAQI
4th Sep 2025491 AMAQI
4th Sep 2025492 AMAQI
4th Sep 2025473 AMAQI
4th Sep 2025484 AMAQI
4th Sep 2025475 AMAQI
29°C25/34°C
4th Sep 2025476 AMAQI
4th Sep 2025487 AMAQI
4th Sep 2025368 AMAQI
4th Sep 2025349 AMAQI
4th Sep 20252810 AMAQI
4th Sep 20254011 AMAQI
4th Sep 20254612 PMAQI
4th Sep 2025501 PMAQI
4th Sep 2025452 PMAQI
4th Sep 2025393 PMAQI
4th Sep 2025274 PMAQI
4th Sep 2025305 PMAQI
4th Sep 2025326 PMAQI
4th Sep 2025257 PMAQI
4th Sep 2025198 PMAQI
4th Sep 2025149 PMAQI
4th Sep 20251110 PMAQI
4th Sep 20251211 PMAQI
5th Sep 20252012 AMAQI
5th Sep 2025491 AMAQI
5th Sep 2025482 AMAQI
5th Sep 2025483 AMAQI
5th Sep 2025474 AMAQI
5th Sep 2025465 AMAQI
29°C26/34°C
5th Sep 2025466 AMAQI
5th Sep 2025467 AMAQI
5th Sep 2025258 AMAQI
5th Sep 2025329 AMAQI
5th Sep 20252410 AMAQI
5th Sep 20252311 AMAQI
5th Sep 20252712 PMAQI
5th Sep 2025311 PMAQI
5th Sep 2025332 PMAQI
5th Sep 2025383 PMAQI
5th Sep 2025424 PMAQI
5th Sep 2025365 PMAQI
5th Sep 2025426 PMAQI
5th Sep 2025467 PMAQI
5th Sep 2025408 PMAQI
5th Sep 2025379 PMAQI
5th Sep 20253310 PMAQI
5th Sep 20252811 PMAQI
6th Sep 20252912 AMAQI
6th Sep 2025341 AMAQI
6th Sep 2025422 AMAQI
6th Sep 2025403 AMAQI
6th Sep 2025384 AMAQI
6th Sep 2025425 AMAQI
29°C25/33°C
6th Sep 2025396 AMAQI
6th Sep 2025397 AMAQI
6th Sep 2025468 AMAQI
6th Sep 2025349 AMAQI
6th Sep 20254110 AMAQI
6th Sep 20254811 AMAQI
6th Sep 20254112 PMAQI
6th Sep 2025481 PMAQI
6th Sep 2025522 PMAQI
6th Sep 2025483 PMAQI
6th Sep 2025484 PMAQI
6th Sep 2025545 PMAQI
6th Sep 2025586 PMAQI
6th Sep 2025537 PMAQI
6th Sep 2025548 PMAQI
6th Sep 2025509 PMAQI
6th Sep 20255210 PMAQI
6th Sep 20255011 PMAQI
7th Sep 20255512 AMAQI
7th Sep 2025461 AMAQI
7th Sep 2025432 AMAQI
7th Sep 2025463 AMAQI
7th Sep 2025464 AMAQI
7th Sep 2025475 AMAQI
29°C26/35°C
7th Sep 2025496 AMAQI
7th Sep 2025477 AMAQI
7th Sep 2025448 AMAQI
7th Sep 2025449 AMAQI
7th Sep 20252810 AMAQI
7th Sep 20252911 AMAQI
7th Sep 20253012 PMAQI
7th Sep 2025201 PMAQI
7th Sep 2025242 PMAQI
7th Sep 2025233 PMAQI
7th Sep 2025234 PMAQI
7th Sep 2025255 PMAQI
7th Sep 2025236 PMAQI
7th Sep 2025307 PMAQI
7th Sep 2025348 PMAQI
7th Sep 2025309 PMAQI
7th Sep 20253410 PMAQI
7th Sep 20253211 PMAQI
8th Sep 20253512 AMAQI
8th Sep 2025501 AMAQI
8th Sep 2025482 AMAQI
8th Sep 2025443 AMAQI
8th Sep 2025424 AMAQI
8th Sep 2025485 AMAQI
27°C25/30°C
8th Sep 2025466 AMAQI
8th Sep 2025477 AMAQI
8th Sep 2025208 AMAQI
8th Sep 2025249 AMAQI
8th Sep 20252110 AMAQI
8th Sep 20252411 AMAQI
8th Sep 20252512 PMAQI
8th Sep 2025261 PMAQI
8th Sep 2025322 PMAQI
8th Sep 2025263 PMAQI
8th Sep 2025224 PMAQI
8th Sep 2025225 PMAQI
8th Sep 2025266 PMAQI
8th Sep 2025327 PMAQI
8th Sep 2025388 PMAQI
8th Sep 2025429 PMAQI
8th Sep 20254510 PMAQI
8th Sep 20254011 PMAQI
9th Sep 20253812 AMAQI
9th Sep 2025451 AMAQI
9th Sep 2025452 AMAQI
9th Sep 2025433 AMAQI
9th Sep 2025414 AMAQI
9th Sep 2025405 AMAQI
25°C24/27°C
9th Sep 2025386 AMAQI
9th Sep 2025387 AMAQI
9th Sep 2025298 AMAQI
9th Sep 2025329 AMAQI
9th Sep 20253210 AMAQI
9th Sep 20252611 AMAQI
9th Sep 20252812 PMAQI
9th Sep 2025341 PMAQI
9th Sep 2025312 PMAQI
9th Sep 2025313 PMAQI
9th Sep 2025344 PMAQI
9th Sep 2025325 PMAQI
9th Sep 2025336 PMAQI
9th Sep 2025447 PMAQI
9th Sep 2025448 PMAQI
9th Sep 2025389 PMAQI
9th Sep 20253710 PMAQI
9th Sep 20253911 PMAQI
10th Sep 20253612 AMAQI
10th Sep 2025401 AMAQI
10th Sep 2025422 AMAQI
10th Sep 2025423 AMAQI
10th Sep 2025404 AMAQI
10th Sep 2025425 AMAQI
26°C24/29°C
10th Sep 2025406 AMAQI
10th Sep 2025407 AMAQI
10th Sep 2025458 AMAQI
10th Sep 2025489 AMAQI
10th Sep 20254010 AMAQI
10th Sep 20254211 AMAQI
10th Sep 20254212 PMAQI
10th Sep 2025301 PMAQI
10th Sep 2025302 PMAQI
10th Sep 2025283 PMAQI
10th Sep 2025304 PMAQI
10th Sep 2025275 PMAQI
10th Sep 2025236 PMAQI
10th Sep 2025307 PMAQI
10th Sep 2025338 PMAQI
10th Sep 2025369 PMAQI
10th Sep 20253810 PMAQI
10th Sep 20253511 PMAQI
11th Sep 20253612 AMAQI
11th Sep 2025401 AMAQI
11th Sep 2025422 AMAQI
11th Sep 2025383 AMAQI
11th Sep 2025404 AMAQI
11th Sep 2025415 AMAQI
28°C24/32°C
11th Sep 2025426 AMAQI
11th Sep 2025397 AMAQI
11th Sep 2025488 AMAQI
11th Sep 2025489 AMAQI
11th Sep 20253810 AMAQI
11th Sep 20254611 AMAQI
11th Sep 20254012 PMAQI
11th Sep 2025431 PMAQI
11th Sep 2025382 PMAQI
11th Sep 2025413 PMAQI
11th Sep 2025424 PMAQI
11th Sep 2025485 PMAQI
11th Sep 2025546 PMAQI
11th Sep 2025447 PMAQI
11th Sep 2025428 PMAQI
11th Sep 2025359 PMAQI
11th Sep 20253910 PMAQI
11th Sep 20253711 PMAQI
12th Sep 20253712 AMAQI
12th Sep 2025411 AMAQI
12th Sep 2025422 AMAQI
12th Sep 2025403 AMAQI
12th Sep 2025404 AMAQI
12th Sep 2025405 AMAQI
28°C25/33°C
12th Sep 2025396 AMAQI
12th Sep 2025417 AMAQI
12th Sep 2025438 AMAQI
12th Sep 2025479 AMAQI
12th Sep 20254210 AMAQI
12th Sep 20253711 AMAQI
12th Sep 20253212 PMAQI
12th Sep 2025321 PMAQI
12th Sep 2025382 PMAQI
12th Sep 2025253 PMAQI
12th Sep 2025294 PMAQI
12th Sep 2025305 PMAQI
12th Sep 2025366 PMAQI
12th Sep 2025437 PMAQI
12th Sep 2025428 PMAQI
12th Sep 2025469 PMAQI
12th Sep 20253810 PMAQI
12th Sep 20253611 PMAQI
13th Sep 20253612 AMAQI
13th Sep 2025431 AMAQI
13th Sep 2025422 AMAQI
13th Sep 2025423 AMAQI
13th Sep 2025434 AMAQI
13th Sep 2025445 AMAQI
28°C25/32°C
13th Sep 2025446 AMAQI
13th Sep 2025447 AMAQI
13th Sep 2025298 AMAQI
13th Sep 2025289 AMAQI
13th Sep 20252410 AMAQI
13th Sep 20252211 AMAQI
13th Sep 20252812 PMAQI
13th Sep 2025291 PMAQI
13th Sep 2025262 PMAQI
13th Sep 2025313 PMAQI
13th Sep 2025274 PMAQI
13th Sep 2025415 PMAQI
13th Sep 2025426 PMAQI
13th Sep 2025467 PMAQI
13th Sep 2025488 PMAQI
13th Sep 2025379 PMAQI
13th Sep 20253610 PMAQI
13th Sep 20253211 PMAQI
14th Sep 20253312 AMAQI
14th Sep 2025421 AMAQI
14th Sep 2025442 AMAQI
14th Sep 2025393 AMAQI
14th Sep 2025394 AMAQI
14th Sep 2025405 AMAQI
28°C24/33°C
14th Sep 2025406 AMAQI
14th Sep 2025407 AMAQI
14th Sep 2025308 AMAQI
14th Sep 2025169 AMAQI
14th Sep 20252210 AMAQI
14th Sep 20251611 AMAQI
14th Sep 20252212 PMAQI
14th Sep 2025251 PMAQI
14th Sep 2025302 PMAQI
14th Sep 2025373 PMAQI
14th Sep 2025304 PMAQI
14th Sep 2025355 PMAQI
14th Sep 2025406 PMAQI
14th Sep 2025487 PMAQI
14th Sep 2025468 PMAQI
14th Sep 2025379 PMAQI
14th Sep 20253510 PMAQI
14th Sep 20253411 PMAQI
15th Sep 20253412 AMAQI
15th Sep 2025401 AMAQI
15th Sep 2025422 AMAQI
15th Sep 2025423 AMAQI
15th Sep 2025414 AMAQI
15th Sep 2025415 AMAQI
28°C25/33°C
15th Sep 2025406 AMAQI
15th Sep 2025417 AMAQI
15th Sep 2025358 AMAQI
15th Sep 2025379 AMAQI
15th Sep 20254510 AMAQI
15th Sep 20254011 AMAQI
15th Sep 20254412 PMAQI
15th Sep 2025391 PMAQI
15th Sep 2025372 PMAQI
15th Sep 2025303 PMAQI
15th Sep 2025304 PMAQI
15th Sep 2025285 PMAQI
15th Sep 2025316 PMAQI
15th Sep 2025347 PMAQI
15th Sep 2025328 PMAQI
15th Sep 2025389 PMAQI
15th Sep 20253910 PMAQI
15th Sep 20254211 PMAQI
16th Sep 20253812 AMAQI
16th Sep 2025401 AMAQI
16th Sep 2025392 AMAQI
16th Sep 2025413 AMAQI
16th Sep 2025404 AMAQI
16th Sep 2025415 AMAQI
28°C25/33°C
16th Sep 2025416 AMAQI
16th Sep 2025427 AMAQI
16th Sep 2025458 AMAQI
16th Sep 2025369 AMAQI
16th Sep 20253910 AMAQI
16th Sep 20253311 AMAQI
16th Sep 20253412 PMAQI
16th Sep 2025311 PMAQI
16th Sep 2025352 PMAQI
16th Sep 2025343 PMAQI
16th Sep 2025384 PMAQI
16th Sep 2025335 PMAQI
16th Sep 2025376 PMAQI
16th Sep 2025387 PMAQI
16th Sep 2025488 PMAQI
16th Sep 2025499 PMAQI
16th Sep 20255210 PMAQI
16th Sep 20255411 PMAQI
17th Sep 20254912 AMAQI
17th Sep 2025441 AMAQI
17th Sep 2025412 AMAQI
17th Sep 2025403 AMAQI
17th Sep 2025404 AMAQI
17th Sep 2025405 AMAQI
29°C25/33°C
17th Sep 2025406 AMAQI
17th Sep 2025387 AMAQI
17th Sep 2025588 AMAQI
17th Sep 2025609 AMAQI
17th Sep 20256110 AMAQI
17th Sep 20255711 AMAQI
17th Sep 20256212 PMAQI
17th Sep 2025551 PMAQI
17th Sep 2025592 PMAQI
17th Sep 2025583 PMAQI
17th Sep 2025574 PMAQI
17th Sep 2025565 PMAQI
17th Sep 2025496 PMAQI
17th Sep 2025397 PMAQI
17th Sep 2025468 PMAQI
17th Sep 2025509 PMAQI
17th Sep 20255310 PMAQI
17th Sep 20255311 PMAQI
18th Sep 20255212 AMAQI
18th Sep 2025431 AMAQI
18th Sep 2025422 AMAQI
18th Sep 2025423 AMAQI
18th Sep 2025474 AMAQI
18th Sep 2025485 AMAQI
28°C25/33°C
18th Sep 2025476 AMAQI
18th Sep 2025487 AMAQI
18th Sep 2025518 AMAQI
18th Sep 2025479 AMAQI
18th Sep 20254210 AMAQI
18th Sep 20253811 AMAQI
18th Sep 20253912 PMAQI
18th Sep 2025431 PMAQI
18th Sep 2025442 PMAQI
18th Sep 2025343 PMAQI
18th Sep 2025314 PMAQI
18th Sep 2025305 PMAQI
18th Sep 2025296 PMAQI
18th Sep 2025387 PMAQI
18th Sep 2025498 PMAQI
18th Sep 2025419 PMAQI
18th Sep 20254110 PMAQI
18th Sep 20254511 PMAQI
19th Sep 20254012 AMAQI
19th Sep 2025461 AMAQI
19th Sep 2025462 AMAQI
19th Sep 2025473 AMAQI
19th Sep 2025474 AMAQI
19th Sep 2025465 AMAQI
28°C25/33°C
19th Sep 2025476 AMAQI
19th Sep 2025477 AMAQI
19th Sep 2025288 AMAQI
19th Sep 2025279 AMAQI
19th Sep 20253910 AMAQI
19th Sep 20253511 AMAQI
19th Sep 20253412 PMAQI
19th Sep 2025341 PMAQI
19th Sep 2025302 PMAQI
19th Sep 2025293 PMAQI
19th Sep 2025224 PMAQI
19th Sep 2025245 PMAQI
19th Sep 2025236 PMAQI
19th Sep 2025257 PMAQI
19th Sep 2025358 PMAQI
19th Sep 2025369 PMAQI
19th Sep 20253610 PMAQI
19th Sep 20253611 PMAQI
20th Sep 20253812 AMAQI
20th Sep 2025481 AMAQI
20th Sep 2025462 AMAQI
20th Sep 2025463 AMAQI
20th Sep 2025444 AMAQI
20th Sep 2025455 AMAQI
25°C23/27°C
20th Sep 2025436 AMAQI
20th Sep 2025437 AMAQI
20th Sep 2025258 AMAQI
20th Sep 2025219 AMAQI
20th Sep 20252810 AMAQI
20th Sep 20252511 AMAQI
20th Sep 20252512 PMAQI
20th Sep 2025281 PMAQI
20th Sep 2025332 PMAQI
20th Sep 2025373 PMAQI
20th Sep 2025434 PMAQI
20th Sep 2025455 PMAQI
20th Sep 2025436 PMAQI
20th Sep 2025477 PMAQI
20th Sep 2025528 PMAQI
20th Sep 2025509 PMAQI
20th Sep 20254810 PMAQI
20th Sep 20254411 PMAQI
21st Sep 20253612 AMAQI
21st Sep 2025421 AMAQI
21st Sep 2025442 AMAQI
21st Sep 2025443 AMAQI
21st Sep 2025424 AMAQI
21st Sep 2025415 AMAQI
24°C24/25°C
21st Sep 2025426 AMAQI
21st Sep 2025427 AMAQI
21st Sep 2025248 AMAQI
21st Sep 2025159 AMAQI
21st Sep 20251810 AMAQI
21st Sep 20252411 AMAQI
21st Sep 20253312 PMAQI
21st Sep 2025261 PMAQI
21st Sep 2025232 PMAQI
21st Sep 2025213 PMAQI
21st Sep 2025234 PMAQI
21st Sep 2025265 PMAQI
21st Sep 2025266 PMAQI
21st Sep 2025287 PMAQI
21st Sep 2025368 PMAQI
21st Sep 2025389 PMAQI
21st Sep 20253810 PMAQI
21st Sep 20254011 PMAQI
22nd Sep 20254012 AMAQI
22nd Sep 2025421 AMAQI
22nd Sep 2025422 AMAQI
22nd Sep 2025413 AMAQI
22nd Sep 2025394 AMAQI
22nd Sep 2025405 AMAQI
26°C23/30°C
22nd Sep 2025406 AMAQI
6 AM22nd Sep 2025397 AMAQI
22nd Sep 2025498 AMAQI
22nd Sep 2025549 AMAQI
22nd Sep 20255410 AMAQI
22nd Sep 20255211 AMAQI
22nd Sep 20255012 PMAQI
12 PM22nd Sep 2025421 PMAQI
22nd Sep 2025372 PMAQI
22nd Sep 2025363 PMAQI
22nd Sep 2025364 PMAQI
22nd Sep 2025385 PMAQI
6 PM
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 7 AM
45AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
8 AM - 11 AM
38AQI
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. 45), while the lowest AQI was between 8 AM to 11 AM (Avg. 38).
Night time
Avg. Highest Time
1 AM - 5 AM
45AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
7 PM
41AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 5 AM (Avg. 45), while the lowest AQI was between 7 PM to 7 PM (Avg. 41).
2025 Days Vs Air Quality
Daya Bay Management Committee, Huizhou, Guangdong, 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
Daya Bay Management Committee, Huizhou, Guangdong, 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
117AQI
117AQI
2nd January 2025
113AQI
113AQI
3rd January 2025
101AQI
101AQI
4th January 2025
98AQI
98AQI
5th January 2025
94AQI
94AQI
6th January 2025
107AQI
107AQI
7th January 2025
100AQI
100AQI
8th January 2025
110AQI
110AQI
9th January 2025
97AQI
97AQI
10th January 2025
77AQI
77AQI
11th January 2025
81AQI
81AQI
12th January 2025
66AQI
66AQI
13th January 2025
76AQI
76AQI
14th January 2025
78AQI
78AQI
15th January 2025
79AQI
79AQI
16th January 2025
98AQI
98AQI
17th January 2025
80AQI
80AQI
18th January 2025
88AQI
88AQI
19th January 2025
82AQI
82AQI
20th January 2025
93AQI
93AQI
21st January 2025
87AQI
87AQI
22nd January 2025
86AQI
86AQI
23rd January 2025
82AQI
82AQI
24th January 2025
64AQI
64AQI
25th January 2025
58AQI
58AQI
26th January 2025
43AQI
43AQI
27th January 2025
53AQI
53AQI
28th January 2025
63AQI
63AQI
29th January 2025
106AQI
106AQI
30th January 2025
68AQI
68AQI
31st January 2025
71AQI
71AQI
1st February 2025
55AQI
55AQI
2nd February 2025
52AQI
52AQI
3rd February 2025
33AQI
33AQI
4th February 2025
44AQI
44AQI
5th February 2025
65AQI
65AQI
6th February 2025
67AQI
67AQI
7th February 2025
46AQI
46AQI
8th February 2025
62AQI
62AQI
9th February 2025
53AQI
53AQI
10th February 2025
63AQI
63AQI
11th February 2025
61AQI
61AQI
12th February 2025
51AQI
51AQI
13th February 2025
75AQI
75AQI
14th February 2025
76AQI
76AQI
15th February 2025
74AQI
74AQI
16th February 2025
80AQI
80AQI
17th February 2025
78AQI
78AQI
18th February 2025
94AQI
94AQI
19th February 2025
66AQI
66AQI
20th February 2025
74AQI
74AQI
21st February 2025
66AQI
66AQI
22nd February 2025
67AQI
67AQI
23rd February 2025
37AQI
37AQI
24th February 2025
57AQI
57AQI
25th February 2025
71AQI
71AQI
26th February 2025
77AQI
77AQI
27th February 2025
73AQI
73AQI
28th February 2025
61AQI
61AQI
1st March 2025
64AQI
64AQI
2nd March 2025
50AQI
50AQI
3rd March 2025
43AQI
43AQI
4th March 2025
41AQI
41AQI
5th March 2025
37AQI
37AQI
6th March 2025
30AQI
30AQI
7th March 2025
41AQI
41AQI
8th March 2025
51AQI
51AQI
9th March 2025
60AQI
60AQI
10th March 2025
68AQI
68AQI
11th March 2025
64AQI
64AQI
12th March 2025
51AQI
51AQI
13th March 2025
59AQI
59AQI
14th March 2025
45AQI
45AQI
15th March 2025
41AQI
41AQI
16th March 2025
31AQI
31AQI
17th March 2025
73AQI
73AQI
18th March 2025
57AQI
57AQI
19th March 2025
74AQI
74AQI
20th March 2025
73AQI
73AQI
21st March 2025
79AQI
79AQI
22nd March 2025
72AQI
72AQI
23rd March 2025
77AQI
77AQI
24th March 2025
81AQI
81AQI
25th March 2025
79AQI
79AQI
26th March 2025
65AQI
65AQI
27th March 2025
61AQI
61AQI
28th March 2025
64AQI
64AQI
29th March 2025
33AQI
33AQI
30th March 2025
27AQI
27AQI
31st March 2025
28AQI
28AQI
1st April 2025
45AQI
45AQI
2nd April 2025
48AQI
48AQI
3rd April 2025
60AQI
60AQI
4th April 2025
66AQI
66AQI
5th April 2025
52AQI
52AQI
6th April 2025
72AQI
72AQI
7th April 2025
78AQI
78AQI
8th April 2025
85AQI
85AQI
9th April 2025
67AQI
67AQI
10th April 2025
71AQI
71AQI
11th April 2025
60AQI
60AQI
12th April 2025
59AQI
59AQI
13th April 2025
131AQI
131AQI
14th April 2025
131AQI
131AQI
15th April 2025
134AQI
134AQI
16th April 2025
107AQI
107AQI
17th April 2025
91AQI
91AQI
18th April 2025
81AQI
81AQI
19th April 2025
66AQI
66AQI
20th April 2025
66AQI
66AQI
21st April 2025
60AQI
60AQI
22nd April 2025
62AQI
62AQI
23rd April 2025
60AQI
60AQI
24th April 2025
51AQI
51AQI
25th April 2025
50AQI
50AQI
26th April 2025
48AQI
48AQI
27th April 2025
60AQI
60AQI
28th April 2025
58AQI
58AQI
29th April 2025
62AQI
62AQI
30th April 2025
70AQI
70AQI
1st May 2025
69AQI
69AQI
2nd May 2025
75AQI
75AQI
3rd May 2025
74AQI
74AQI
4th May 2025
64AQI
64AQI
5th May 2025
64AQI
64AQI
6th May 2025
53AQI
53AQI
7th May 2025
51AQI
51AQI
8th May 2025
62AQI
62AQI
9th May 2025
45AQI
45AQI
10th May 2025
55AQI
55AQI
11th May 2025
55AQI
55AQI
12th May 2025
63AQI
63AQI
13th May 2025
65AQI
65AQI
14th May 2025
57AQI
57AQI
15th May 2025
48AQI
48AQI
16th May 2025
42AQI
42AQI
17th May 2025
41AQI
41AQI
18th May 2025
39AQI
39AQI
19th May 2025
46AQI
46AQI
20th May 2025
37AQI
37AQI
21st May 2025
42AQI
42AQI
22nd May 2025
40AQI
40AQI
23rd May 2025
48AQI
48AQI
24th May 2025
43AQI
43AQI
25th May 2025
70AQI
70AQI
26th May 2025
64AQI
64AQI
27th May 2025
74AQI
74AQI
28th May 2025
63AQI
63AQI
29th May 2025
57AQI
57AQI
30th May 2025
45AQI
45AQI
31st May 2025
57AQI
57AQI
1st June 2025
57AQI
57AQI
2nd June 2025
53AQI
53AQI
3rd June 2025
40AQI
40AQI
4th June 2025
50AQI
50AQI
5th June 2025
53AQI
53AQI
6th June 2025
54AQI
54AQI
7th June 2025
51AQI
51AQI
8th June 2025
40AQI
40AQI
9th June 2025
50AQI
50AQI
10th June 2025
42AQI
42AQI
11th June 2025
31AQI
31AQI
12th June 2025
30AQI
30AQI
13th June 2025
29AQI
29AQI
14th June 2025
37AQI
37AQI
15th June 2025
41AQI
41AQI
16th June 2025
43AQI
43AQI
17th June 2025
38AQI
38AQI
18th June 2025
37AQI
37AQI
19th June 2025
34AQI
34AQI
20th June 2025
32AQI
32AQI
21st June 2025
30AQI
30AQI
22nd June 2025
25AQI
25AQI
23rd June 2025
25AQI
25AQI
24th June 2025
27AQI
27AQI
25th June 2025
27AQI
27AQI
26th June 2025
24AQI
24AQI
27th June 2025
25AQI
25AQI
28th June 2025
26AQI
26AQI
29th June 2025
27AQI
27AQI
30th June 2025
26AQI
26AQI
1st July 2025
27AQI
27AQI
2nd July 2025
31AQI
31AQI
3rd July 2025
41AQI
41AQI
4th July 2025
43AQI
43AQI
5th July 2025
44AQI
44AQI
6th July 2025
41AQI
41AQI
7th July 2025
52AQI
52AQI
8th July 2025
41AQI
41AQI
9th July 2025
47AQI
47AQI
10th July 2025
46AQI
46AQI
11th July 2025
44AQI
44AQI
12th July 2025
46AQI
46AQI
13th July 2025
51AQI
51AQI
14th July 2025
52AQI
52AQI
15th July 2025
54AQI
54AQI
16th July 2025
53AQI
53AQI
17th July 2025
57AQI
57AQI
18th July 2025
56AQI
56AQI
19th July 2025
53AQI
53AQI
20th July 2025
39AQI
39AQI
21st July 2025
39AQI
39AQI
22nd July 2025
47AQI
47AQI
23rd July 2025
43AQI
43AQI
24th July 2025
50AQI
50AQI
25th July 2025
56AQI
56AQI
26th July 2025
65AQI
65AQI
27th July 2025
63AQI
63AQI
28th July 2025
60AQI
60AQI
29th July 2025
60AQI
60AQI
30th July 2025
65AQI
65AQI
31st July 2025
54AQI
54AQI
1st August 2025
56AQI
56AQI
2nd August 2025
49AQI
49AQI
3rd August 2025
53AQI
53AQI
4th August 2025
51AQI
51AQI
5th August 2025
45AQI
45AQI
6th August 2025
47AQI
47AQI
7th August 2025
54AQI
54AQI
8th August 2025
61AQI
61AQI
9th August 2025
52AQI
52AQI
10th August 2025
38AQI
38AQI
11th August 2025
43AQI
43AQI
12th August 2025
46AQI
46AQI
13th August 2025
54AQI
54AQI
14th August 2025
41AQI
41AQI
15th August 2025
39AQI
39AQI
16th August 2025
45AQI
45AQI
17th August 2025
38AQI
38AQI
18th August 2025
35AQI
35AQI
19th August 2025
44AQI
44AQI
20th August 2025
42AQI
42AQI
21st August 2025
37AQI
37AQI
22nd August 2025
46AQI
46AQI
23rd August 2025
46AQI
46AQI
24th August 2025
42AQI
42AQI
25th August 2025
39AQI
39AQI
26th August 2025
48AQI
48AQI
27th August 2025
48AQI
48AQI
28th August 2025
50AQI
50AQI
29th August 2025
48AQI
48AQI
30th August 2025
44AQI
44AQI
31st August 2025
46AQI
46AQI
1st September 2025
48AQI
48AQI
2nd September 2025
43AQI
43AQI
3rd September 2025
44AQI
44AQI
4th September 2025
34AQI
34AQI
5th September 2025
33AQI
33AQI
6th September 2025
46AQI
46AQI
7th September 2025
36AQI
36AQI
8th September 2025
36AQI
36AQI
9th September 2025
37AQI
37AQI
10th September 2025
35AQI
35AQI
11th September 2025
41AQI
41AQI
12th September 2025
38AQI
38AQI
13th September 2025
37AQI
37AQI
14th September 2025
35AQI
35AQI
15th September 2025
38AQI
38AQI
16th September 2025
40AQI
40AQI
17th September 2025
49AQI
49AQI
18th September 2025
42AQI
42AQI
19th September 2025
36AQI
36AQI
20th September 2025
41AQI
41AQI
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
84AQI
64AQI
55AQI
72AQI
55AQI
37AQI
49AQI
46AQI
39AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202556AQI
1
24
6
4
24
12
19
4
22
4
12
19
25
5
16
15
24
7
21
119
135
10
Highest AQI recorded in
January84AQI
Lowest AQI recorded in
June37AQI
202458AQI
2
22
7
11
16
2
6
22
3
11
19
17
14
28
2
29
2
15
16
16
13
1
7
24
9
21
23
8
151
194
21
Highest AQI recorded in
December88AQI
Lowest AQI recorded in
July27AQI
202361AQI
6
21
4
2
23
3
3
25
3
3
26
1
7
24
26
4
25
6
19
12
20
10
6
25
3
24
2
2
28
1
122
228
14
Highest AQI recorded in
January79AQI
Lowest AQI recorded in
June37AQI
202260AQI
6
15
10
10
11
6
23
2
6
24
17
14
30
19
2
1
2
21
5
3
28
10
18
2
8
19
4
117
176
23
Highest AQI recorded in
January81AQI
Lowest AQI recorded in
June30AQI
202158AQI
1
19
9
2
3
25
4
26
1
9
20
1
23
8
27
3
24
7
14
7
18
11
1
14
17
3
26
1
2
27
2
142
196
15
2
Highest AQI recorded in
January95AQI
Lowest AQI recorded in
June36AQI
202055AQI
2
11
4
16
1
15
3
30
30
1
22
9
15
13
2
2
29
1
26
3
2
17
12
123
125
18
Highest AQI recorded in
December90AQI
Lowest AQI recorded in
June26AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
61AQILeast Polluted Year Recorded
2020(Avg.)
55AQIDaya Bay Management Committee's annual 2025 AQI (56) shows an average percentage change of -3.6% (improved AQI) compared to previous years: 2020 (55), 2021 (58), 2022 (60), 2023 (61), 2024 (58).
