Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Douliu, Yunlin, Taiwan 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+

August Air Quality Analysis

Douliu, Yunlin, Taiwan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
30th Aug 2023
77AQI
Lowest AQI recorded on
19th Aug 2024
20AQI

Same Day Analysis (20th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 39 of Good air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 20th Aug - 21st Aug 2025

Douliu, Yunlin, Taiwan

AQI
Day
Night
.

5 AM20th Aug 2025

6 PM

4 AM21st Aug 2025

Day time
Avg. Highest Time
5AM20th Aug

44AQI

Avg. Lowest Time
6PM20th Aug

26AQI

Night time
Avg. Highest Time
2AM21st Aug

44AQI

Avg. Lowest Time
10PM20th Aug

36AQI

In the last 24 hours,

Douliu's AQI reached its highest point of 44 at 5 AM during the Day, while the lowest point, 26, was recorded at 6 PM during the Day between 20th Aug and 21st Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Douliu, Yunlin, Taiwan

JulAug
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 Jul 2025385 AMAQI
22nd Jul 2025396 AMAQI
22nd Jul 2025387 AMAQI
22nd Jul 2025358 AMAQI
22nd Jul 2025319 AMAQI
22nd Jul 20253010 AMAQI
22nd Jul 20252611 AMAQI
22nd Jul 20252812 PMAQI
22nd Jul 2025291 PMAQI
22nd Jul 2025342 PMAQI
22nd Jul 2025313 PMAQI
22nd Jul 2025334 PMAQI
22nd Jul 2025405 PMAQI
22nd Jul 2025356 PMAQI
22nd Jul 2025357 PMAQI
22nd Jul 2025438 PMAQI
22nd Jul 2025439 PMAQI
22nd Jul 20253910 PMAQI
22nd Jul 20254111 PMAQI
23rd Jul 20254112 AMAQI
23rd Jul 2025401 AMAQI
23rd Jul 2025402 AMAQI
23rd Jul 2025393 AMAQI
23rd Jul 2025384 AMAQI

28°C25/32°C

23rd Jul 2025385 AMAQI
23rd Jul 2025386 AMAQI
23rd Jul 2025387 AMAQI
23rd Jul 2025448 AMAQI
23rd Jul 2025459 AMAQI
23rd Jul 20254810 AMAQI
23rd Jul 20255611 AMAQI
23rd Jul 20256112 PMAQI
23rd Jul 2025641 PMAQI
23rd Jul 2025692 PMAQI
23rd Jul 2025763 PMAQI
23rd Jul 2025744 PMAQI
23rd Jul 2025725 PMAQI
23rd Jul 2025746 PMAQI
23rd Jul 2025657 PMAQI
23rd Jul 2025558 PMAQI
23rd Jul 2025549 PMAQI
23rd Jul 20255510 PMAQI
23rd Jul 20255411 PMAQI
24th Jul 20254812 AMAQI
24th Jul 2025401 AMAQI
24th Jul 2025402 AMAQI
24th Jul 2025423 AMAQI
24th Jul 2025464 AMAQI

30°C27/34°C

24th Jul 2025465 AMAQI
24th Jul 2025466 AMAQI
24th Jul 2025467 AMAQI
24th Jul 2025598 AMAQI
24th Jul 2025639 AMAQI
24th Jul 20255910 AMAQI
24th Jul 20256011 AMAQI
24th Jul 20256012 PMAQI
24th Jul 2025671 PMAQI
24th Jul 2025662 PMAQI
24th Jul 2025673 PMAQI
24th Jul 2025684 PMAQI
24th Jul 2025705 PMAQI
24th Jul 2025686 PMAQI
24th Jul 2025627 PMAQI
24th Jul 2025538 PMAQI
24th Jul 2025509 PMAQI
24th Jul 20254810 PMAQI
24th Jul 20254811 PMAQI
25th Jul 20254712 AMAQI
25th Jul 2025451 AMAQI
25th Jul 2025462 AMAQI
25th Jul 2025483 AMAQI
25th Jul 2025514 AMAQI

30°C27/34°C

25th Jul 2025515 AMAQI
25th Jul 2025516 AMAQI
25th Jul 2025517 AMAQI
25th Jul 2025568 AMAQI
25th Jul 2025579 AMAQI
25th Jul 20255810 AMAQI
25th Jul 20255211 AMAQI
25th Jul 20254212 PMAQI
25th Jul 2025361 PMAQI
25th Jul 2025332 PMAQI
25th Jul 2025383 PMAQI
25th Jul 2025464 PMAQI
25th Jul 2025445 PMAQI
25th Jul 2025466 PMAQI
25th Jul 2025417 PMAQI
25th Jul 2025448 PMAQI
25th Jul 2025439 PMAQI
25th Jul 20254110 PMAQI
25th Jul 20253911 PMAQI
26th Jul 20254212 AMAQI
26th Jul 2025491 AMAQI
26th Jul 2025482 AMAQI
26th Jul 2025493 AMAQI
26th Jul 2025494 AMAQI

29°C27/33°C

26th Jul 2025495 AMAQI
26th Jul 2025496 AMAQI
26th Jul 2025487 AMAQI
26th Jul 2025288 AMAQI
26th Jul 2025259 AMAQI
26th Jul 20252410 AMAQI
26th Jul 20252511 AMAQI
26th Jul 20252412 PMAQI
26th Jul 2025261 PMAQI
26th Jul 2025272 PMAQI
26th Jul 2025263 PMAQI
26th Jul 2025254 PMAQI
26th Jul 2025275 PMAQI
26th Jul 2025316 PMAQI
26th Jul 2025357 PMAQI
26th Jul 2025418 PMAQI
26th Jul 2025429 PMAQI
26th Jul 20254410 PMAQI
26th Jul 20254511 PMAQI
27th Jul 20254812 AMAQI
27th Jul 2025481 AMAQI
27th Jul 2025482 AMAQI
27th Jul 2025463 AMAQI
27th Jul 2025424 AMAQI

27°C25/28°C

27th Jul 2025425 AMAQI
27th Jul 2025426 AMAQI
27th Jul 2025437 AMAQI
27th Jul 2025428 AMAQI
27th Jul 2025389 AMAQI
27th Jul 20253810 AMAQI
27th Jul 20254211 AMAQI
27th Jul 20253812 PMAQI
27th Jul 2025361 PMAQI
27th Jul 2025412 PMAQI
27th Jul 2025413 PMAQI
27th Jul 2025374 PMAQI
27th Jul 2025395 PMAQI
27th Jul 2025426 PMAQI
27th Jul 2025417 PMAQI
27th Jul 2025458 PMAQI
27th Jul 2025449 PMAQI
27th Jul 20254310 PMAQI
27th Jul 20254411 PMAQI
28th Jul 20254412 AMAQI
28th Jul 2025461 AMAQI
28th Jul 2025452 AMAQI
28th Jul 2025443 AMAQI
28th Jul 2025434 AMAQI

29°C26/33°C

28th Jul 2025435 AMAQI
28th Jul 2025436 AMAQI
28th Jul 2025437 AMAQI
28th Jul 2025238 AMAQI
28th Jul 2025189 AMAQI
28th Jul 20251710 AMAQI
28th Jul 20251911 AMAQI
28th Jul 20252212 PMAQI
28th Jul 2025201 PMAQI
28th Jul 2025192 PMAQI
28th Jul 2025233 PMAQI
28th Jul 2025184 PMAQI
28th Jul 2025215 PMAQI
28th Jul 2025196 PMAQI
28th Jul 2025277 PMAQI
28th Jul 2025338 PMAQI
28th Jul 2025339 PMAQI
28th Jul 20253310 PMAQI
28th Jul 20253311 PMAQI
29th Jul 20253512 AMAQI
29th Jul 2025401 AMAQI
29th Jul 2025442 AMAQI
29th Jul 2025443 AMAQI
29th Jul 2025404 AMAQI

26°C25/27°C

29th Jul 2025395 AMAQI
29th Jul 2025396 AMAQI
29th Jul 2025387 AMAQI
29th Jul 2025248 AMAQI
29th Jul 2025209 AMAQI
29th Jul 20251810 AMAQI
29th Jul 20251911 AMAQI
29th Jul 20251912 PMAQI
29th Jul 2025201 PMAQI
29th Jul 2025222 PMAQI
29th Jul 2025213 PMAQI
29th Jul 2025264 PMAQI
29th Jul 2025265 PMAQI
29th Jul 2025296 PMAQI
29th Jul 2025337 PMAQI
29th Jul 2025378 PMAQI
29th Jul 2025369 PMAQI
29th Jul 20253610 PMAQI
29th Jul 20253611 PMAQI
30th Jul 20253712 AMAQI
30th Jul 2025421 AMAQI
30th Jul 2025422 AMAQI
30th Jul 2025393 AMAQI
30th Jul 2025374 AMAQI

26°C25/27°C

30th Jul 2025365 AMAQI
30th Jul 2025366 AMAQI
30th Jul 2025367 AMAQI
30th Jul 2025258 AMAQI
30th Jul 2025229 AMAQI
30th Jul 20252910 AMAQI
30th Jul 20253111 AMAQI
30th Jul 20253812 PMAQI
30th Jul 2025421 PMAQI
30th Jul 2025502 PMAQI
30th Jul 2025493 PMAQI
30th Jul 2025494 PMAQI
30th Jul 2025525 PMAQI
30th Jul 2025516 PMAQI
30th Jul 2025487 PMAQI
30th Jul 2025438 PMAQI
30th Jul 2025429 PMAQI
30th Jul 20254210 PMAQI
30th Jul 20254211 PMAQI
31st Jul 20254012 AMAQI
31st Jul 2025381 AMAQI
31st Jul 2025392 AMAQI
31st Jul 2025383 AMAQI
31st Jul 2025384 AMAQI

28°C25/32°C

31st Jul 2025385 AMAQI
31st Jul 2025386 AMAQI
31st Jul 2025387 AMAQI
31st Jul 2025388 AMAQI
31st Jul 2025389 AMAQI
31st Jul 20254010 AMAQI
31st Jul 20253611 AMAQI
31st Jul 20253312 PMAQI
31st Jul 2025371 PMAQI
31st Jul 2025362 PMAQI
31st Jul 2025323 PMAQI
31st Jul 2025354 PMAQI
31st Jul 2025415 PMAQI
31st Jul 2025476 PMAQI
31st Jul 2025417 PMAQI
31st Jul 2025498 PMAQI
31st Jul 2025479 PMAQI
31st Jul 20254810 PMAQI
31st Jul 20255011 PMAQI
1st Aug 20254712 AMAQI
1st Aug 2025461 AMAQI
1st Aug 2025472 AMAQI
1st Aug 2025393 AMAQI
1st Aug 2025404 AMAQI

29°C26/34°C

1st Aug 2025385 AMAQI
1st Aug 2025436 AMAQI
1st Aug 2025487 AMAQI
1st Aug 2025478 AMAQI
1st Aug 2025509 AMAQI
1st Aug 20255110 AMAQI
1st Aug 20255711 AMAQI
1st Aug 20255412 PMAQI
1st Aug 2025391 PMAQI
1st Aug 2025432 PMAQI
1st Aug 2025363 PMAQI
1st Aug 2025364 PMAQI
1st Aug 2025365 PMAQI
1st Aug 2025326 PMAQI
1st Aug 2025407 PMAQI
1st Aug 2025428 PMAQI
1st Aug 2025449 PMAQI
1st Aug 20254710 PMAQI
1st Aug 20254511 PMAQI
2nd Aug 20254312 AMAQI
2nd Aug 2025461 AMAQI
2nd Aug 2025442 AMAQI
2nd Aug 2025483 AMAQI
2nd Aug 2025484 AMAQI

29°C26/33°C

2nd Aug 2025485 AMAQI
2nd Aug 2025486 AMAQI
2nd Aug 2025467 AMAQI
2nd Aug 2025358 AMAQI
2nd Aug 2025409 AMAQI
2nd Aug 20254110 AMAQI
2nd Aug 20253811 AMAQI
2nd Aug 20253712 PMAQI
2nd Aug 2025431 PMAQI
2nd Aug 2025392 PMAQI
2nd Aug 2025373 PMAQI
2nd Aug 2025294 PMAQI
2nd Aug 2025245 PMAQI
2nd Aug 2025366 PMAQI
2nd Aug 2025357 PMAQI
2nd Aug 2025408 PMAQI
2nd Aug 2025409 PMAQI
2nd Aug 20254110 PMAQI
2nd Aug 20254411 PMAQI
3rd Aug 20254812 AMAQI
3rd Aug 2025471 AMAQI
3rd Aug 2025472 AMAQI
3rd Aug 2025473 AMAQI
3rd Aug 2025474 AMAQI

29°C26/33°C

3rd Aug 2025485 AMAQI
3rd Aug 2025486 AMAQI
3rd Aug 2025467 AMAQI
3rd Aug 2025358 AMAQI
3rd Aug 2025389 AMAQI
3rd Aug 20253510 AMAQI
3rd Aug 20253311 AMAQI
3rd Aug 20253412 PMAQI
3rd Aug 2025381 PMAQI
3rd Aug 2025282 PMAQI
3rd Aug 2025303 PMAQI
3rd Aug 2025354 PMAQI
3rd Aug 2025305 PMAQI
3rd Aug 2025346 PMAQI
3rd Aug 2025407 PMAQI
3rd Aug 2025448 PMAQI
3rd Aug 2025419 PMAQI
3rd Aug 20254110 PMAQI
3rd Aug 20254511 PMAQI
4th Aug 20254612 AMAQI
4th Aug 2025501 AMAQI
4th Aug 2025492 AMAQI
4th Aug 2025493 AMAQI
4th Aug 2025524 AMAQI

27°C26/31°C

4th Aug 2025515 AMAQI
4th Aug 2025486 AMAQI
4th Aug 2025497 AMAQI
4th Aug 2025288 AMAQI
4th Aug 2025299 AMAQI
4th Aug 20252710 AMAQI
4th Aug 20252811 AMAQI
4th Aug 20252412 PMAQI
4th Aug 2025341 PMAQI
4th Aug 2025382 PMAQI
4th Aug 2025303 PMAQI
4th Aug 2025294 PMAQI
4th Aug 2025375 PMAQI
4th Aug 2025296 PMAQI
4th Aug 2025337 PMAQI
4th Aug 2025378 PMAQI
4th Aug 2025399 PMAQI
4th Aug 20253810 PMAQI
4th Aug 20253711 PMAQI
5th Aug 20254412 AMAQI
5th Aug 2025481 AMAQI
5th Aug 2025522 AMAQI
5th Aug 2025483 AMAQI
5th Aug 2025474 AMAQI

25°C24/26°C

5th Aug 2025465 AMAQI
5th Aug 2025496 AMAQI
5th Aug 2025457 AMAQI
5th Aug 2025368 AMAQI
5th Aug 2025379 AMAQI
5th Aug 20253810 AMAQI
5th Aug 20254611 AMAQI
5th Aug 20254712 PMAQI
5th Aug 2025451 PMAQI
5th Aug 2025462 PMAQI
5th Aug 2025473 PMAQI
5th Aug 2025484 PMAQI
5th Aug 2025485 PMAQI
5th Aug 2025466 PMAQI
5th Aug 2025477 PMAQI
5th Aug 2025498 PMAQI
5th Aug 2025489 PMAQI
5th Aug 20254710 PMAQI
5th Aug 20254711 PMAQI
6th Aug 20254812 AMAQI
6th Aug 2025481 AMAQI
6th Aug 2025472 AMAQI
6th Aug 2025473 AMAQI
6th Aug 2025484 AMAQI

27°C24/30°C

6th Aug 2025485 AMAQI
6th Aug 2025506 AMAQI
6th Aug 2025467 AMAQI
6th Aug 2025408 AMAQI
6th Aug 2025449 AMAQI
6th Aug 20254010 AMAQI
6th Aug 20254711 AMAQI
6th Aug 20254512 PMAQI
6th Aug 2025481 PMAQI
6th Aug 2025402 PMAQI
6th Aug 2025493 PMAQI
6th Aug 2025434 PMAQI
6th Aug 2025465 PMAQI
6th Aug 2025416 PMAQI
6th Aug 2025447 PMAQI
6th Aug 2025488 PMAQI
6th Aug 2025489 PMAQI
6th Aug 20254810 PMAQI
6th Aug 20255011 PMAQI
7th Aug 20254712 AMAQI
7th Aug 2025501 AMAQI
7th Aug 2025482 AMAQI
7th Aug 2025483 AMAQI
7th Aug 2025504 AMAQI

30°C26/34°C

7th Aug 2025485 AMAQI
7th Aug 2025486 AMAQI
7th Aug 2025487 AMAQI
7th Aug 2025518 AMAQI
7th Aug 2025509 AMAQI
7th Aug 20254510 AMAQI
7th Aug 20254311 AMAQI
7th Aug 20253912 PMAQI
7th Aug 2025521 PMAQI
7th Aug 2025562 PMAQI
7th Aug 2025563 PMAQI
7th Aug 2025554 PMAQI
7th Aug 2025555 PMAQI
7th Aug 2025526 PMAQI
7th Aug 2025507 PMAQI
7th Aug 2025508 PMAQI
7th Aug 2025519 PMAQI
7th Aug 20255110 PMAQI
7th Aug 20255211 PMAQI
8th Aug 20255012 AMAQI
8th Aug 2025491 AMAQI
8th Aug 2025492 AMAQI
8th Aug 2025483 AMAQI
8th Aug 2025504 AMAQI

30°C26/34°C

8th Aug 2025505 AMAQI
8th Aug 2025506 AMAQI
8th Aug 2025497 AMAQI
8th Aug 2025558 AMAQI
8th Aug 2025609 AMAQI
8th Aug 20256410 AMAQI
8th Aug 20256811 AMAQI
8th Aug 20256812 PMAQI
8th Aug 2025661 PMAQI
8th Aug 2025642 PMAQI
8th Aug 2025583 PMAQI
8th Aug 2025534 PMAQI
8th Aug 2025475 PMAQI
8th Aug 2025466 PMAQI
8th Aug 2025457 PMAQI
8th Aug 2025488 PMAQI
8th Aug 2025509 PMAQI
8th Aug 20255110 PMAQI
8th Aug 20255111 PMAQI
9th Aug 20255112 AMAQI
9th Aug 2025501 AMAQI
9th Aug 2025512 AMAQI
9th Aug 2025523 AMAQI
9th Aug 2025534 AMAQI

30°C27/34°C

9th Aug 2025535 AMAQI
9th Aug 2025546 AMAQI
9th Aug 2025547 AMAQI
9th Aug 2025538 AMAQI
9th Aug 2025539 AMAQI
9th Aug 20255310 AMAQI
9th Aug 20255411 AMAQI
9th Aug 20255512 PMAQI
9th Aug 2025541 PMAQI
9th Aug 2025542 PMAQI
9th Aug 2025483 PMAQI
9th Aug 2025384 PMAQI
9th Aug 2025335 PMAQI
9th Aug 2025316 PMAQI
9th Aug 2025337 PMAQI
9th Aug 2025418 PMAQI
9th Aug 2025409 PMAQI
9th Aug 20254010 PMAQI
9th Aug 20254011 PMAQI
10th Aug 20254412 AMAQI
10th Aug 2025521 AMAQI
10th Aug 2025522 AMAQI
10th Aug 2025523 AMAQI
10th Aug 2025524 AMAQI

30°C28/34°C

10th Aug 2025525 AMAQI
10th Aug 2025526 AMAQI
10th Aug 2025527 AMAQI
10th Aug 2025398 AMAQI
10th Aug 2025269 AMAQI
10th Aug 20252410 AMAQI
10th Aug 20252411 AMAQI
10th Aug 20252412 PMAQI
10th Aug 2025261 PMAQI
10th Aug 2025302 PMAQI
10th Aug 2025283 PMAQI
10th Aug 2025274 PMAQI
10th Aug 2025275 PMAQI
10th Aug 2025306 PMAQI
10th Aug 2025337 PMAQI
10th Aug 2025408 PMAQI
10th Aug 2025419 PMAQI
10th Aug 20253910 PMAQI
10th Aug 20253911 PMAQI
11th Aug 20254412 AMAQI
11th Aug 2025521 AMAQI
11th Aug 2025522 AMAQI
11th Aug 2025503 AMAQI
11th Aug 2025464 AMAQI

30°C27/34°C

11th Aug 2025475 AMAQI
11th Aug 2025476 AMAQI
11th Aug 2025477 AMAQI
11th Aug 2025328 AMAQI
11th Aug 2025249 AMAQI
11th Aug 20252410 AMAQI
11th Aug 20252511 AMAQI
11th Aug 20252812 PMAQI
11th Aug 2025281 PMAQI
11th Aug 2025282 PMAQI
11th Aug 2025333 PMAQI
11th Aug 2025364 PMAQI
11th Aug 2025345 PMAQI
11th Aug 2025366 PMAQI
11th Aug 2025427 PMAQI
11th Aug 2025448 PMAQI
11th Aug 2025479 PMAQI
11th Aug 20254410 PMAQI
11th Aug 20254011 PMAQI
12th Aug 20254912 AMAQI
12th Aug 2025501 AMAQI
12th Aug 2025502 AMAQI
12th Aug 2025483 AMAQI
12th Aug 2025484 AMAQI

30°C27/33°C

12th Aug 2025505 AMAQI
12th Aug 2025486 AMAQI
12th Aug 2025477 AMAQI
12th Aug 2025478 AMAQI
12th Aug 2025579 AMAQI
12th Aug 20254810 AMAQI
12th Aug 20255511 AMAQI
12th Aug 20254712 PMAQI
12th Aug 2025431 PMAQI
12th Aug 2025452 PMAQI
12th Aug 2025493 PMAQI
12th Aug 2025424 PMAQI
12th Aug 2025495 PMAQI
12th Aug 2025436 PMAQI
12th Aug 2025467 PMAQI
12th Aug 2025458 PMAQI
12th Aug 2025499 PMAQI
12th Aug 20254610 PMAQI
12th Aug 20254211 PMAQI
13th Aug 20254412 AMAQI
13th Aug 2025521 AMAQI
13th Aug 2025502 AMAQI
13th Aug 2025493 AMAQI
13th Aug 2025514 AMAQI

30°C27/34°C

13th Aug 2025505 AMAQI
13th Aug 2025516 AMAQI
13th Aug 2025497 AMAQI
13th Aug 2025318 AMAQI
13th Aug 2025429 AMAQI
13th Aug 20253310 AMAQI
13th Aug 20254411 AMAQI
13th Aug 20253812 PMAQI
13th Aug 2025481 PMAQI
13th Aug 2025372 PMAQI
13th Aug 2025503 PMAQI
13th Aug 2025414 PMAQI
13th Aug 2025395 PMAQI
13th Aug 2025326 PMAQI
13th Aug 2025347 PMAQI
13th Aug 2025418 PMAQI
13th Aug 2025369 PMAQI
13th Aug 20254210 PMAQI
13th Aug 20253811 PMAQI
14th Aug 20254612 AMAQI
14th Aug 2025511 AMAQI
14th Aug 2025502 AMAQI
14th Aug 2025473 AMAQI
14th Aug 2025474 AMAQI

29°C27/33°C

14th Aug 2025475 AMAQI
14th Aug 2025466 AMAQI
14th Aug 2025467 AMAQI
14th Aug 2025218 AMAQI
14th Aug 2025189 AMAQI
14th Aug 20253010 AMAQI
14th Aug 20252711 AMAQI
14th Aug 20252612 PMAQI
14th Aug 2025261 PMAQI
14th Aug 2025242 PMAQI
14th Aug 2025243 PMAQI
14th Aug 2025244 PMAQI
14th Aug 2025235 PMAQI
14th Aug 2025326 PMAQI
14th Aug 2025377 PMAQI
14th Aug 2025408 PMAQI
14th Aug 2025389 PMAQI
14th Aug 20253710 PMAQI
14th Aug 20253811 PMAQI
15th Aug 20254112 AMAQI
15th Aug 2025471 AMAQI
15th Aug 2025452 AMAQI
15th Aug 2025433 AMAQI
15th Aug 2025414 AMAQI

30°C26/34°C

15th Aug 2025415 AMAQI
15th Aug 2025426 AMAQI
15th Aug 2025417 AMAQI
15th Aug 2025268 AMAQI
15th Aug 2025309 AMAQI
15th Aug 20253410 AMAQI
15th Aug 20252811 AMAQI
15th Aug 20253312 PMAQI
15th Aug 2025431 PMAQI
15th Aug 2025342 PMAQI
15th Aug 2025283 PMAQI
15th Aug 2025424 PMAQI
15th Aug 2025285 PMAQI
15th Aug 2025286 PMAQI
15th Aug 2025427 PMAQI
15th Aug 2025418 PMAQI
15th Aug 2025449 PMAQI
15th Aug 20254110 PMAQI
15th Aug 20254111 PMAQI
16th Aug 20254212 AMAQI
16th Aug 2025471 AMAQI
16th Aug 2025452 AMAQI
16th Aug 2025453 AMAQI
16th Aug 2025414 AMAQI

30°C27/34°C

16th Aug 2025405 AMAQI
16th Aug 2025426 AMAQI
16th Aug 2025417 AMAQI
16th Aug 2025418 AMAQI
16th Aug 2025419 AMAQI
16th Aug 20253310 AMAQI
16th Aug 20253011 AMAQI
16th Aug 20253412 PMAQI
16th Aug 2025411 PMAQI
16th Aug 2025362 PMAQI
16th Aug 2025323 PMAQI
16th Aug 2025394 PMAQI
16th Aug 2025555 PMAQI
16th Aug 2025496 PMAQI
16th Aug 2025457 PMAQI
16th Aug 2025408 PMAQI
16th Aug 2025409 PMAQI
16th Aug 20254110 PMAQI
16th Aug 20254111 PMAQI
17th Aug 20254312 AMAQI
17th Aug 2025431 AMAQI
17th Aug 2025412 AMAQI
17th Aug 2025403 AMAQI
17th Aug 2025424 AMAQI

30°C27/34°C

17th Aug 2025415 AMAQI
17th Aug 2025386 AMAQI
17th Aug 2025407 AMAQI
17th Aug 2025348 AMAQI
17th Aug 2025349 AMAQI
17th Aug 20253110 AMAQI
17th Aug 20253411 AMAQI
17th Aug 20253212 PMAQI
17th Aug 2025361 PMAQI
17th Aug 2025322 PMAQI
17th Aug 2025363 PMAQI
17th Aug 2025294 PMAQI
17th Aug 2025345 PMAQI
17th Aug 2025306 PMAQI
17th Aug 2025417 PMAQI
17th Aug 2025408 PMAQI
17th Aug 2025409 PMAQI
17th Aug 20253810 PMAQI
17th Aug 20253811 PMAQI
18th Aug 20254012 AMAQI
18th Aug 2025411 AMAQI
18th Aug 2025402 AMAQI
18th Aug 2025413 AMAQI
18th Aug 2025414 AMAQI

30°C27/35°C

18th Aug 2025425 AMAQI
18th Aug 2025406 AMAQI
18th Aug 2025407 AMAQI
18th Aug 2025408 AMAQI
18th Aug 2025389 AMAQI
18th Aug 20254210 AMAQI
18th Aug 20254211 AMAQI
18th Aug 20253212 PMAQI
18th Aug 2025331 PMAQI
18th Aug 2025412 PMAQI
18th Aug 2025373 PMAQI
18th Aug 2025344 PMAQI
18th Aug 2025345 PMAQI
18th Aug 2025306 PMAQI
18th Aug 2025387 PMAQI
18th Aug 2025388 PMAQI
18th Aug 2025359 PMAQI
18th Aug 20253810 PMAQI
18th Aug 20253811 PMAQI
19th Aug 20254012 AMAQI
19th Aug 2025411 AMAQI
19th Aug 2025412 AMAQI
19th Aug 2025413 AMAQI
19th Aug 2025414 AMAQI

30°C27/33°C

19th Aug 2025415 AMAQI
19th Aug 2025426 AMAQI
19th Aug 2025427 AMAQI
19th Aug 2025308 AMAQI
19th Aug 2025289 AMAQI
19th Aug 20254510 AMAQI
19th Aug 20254211 AMAQI
19th Aug 20253712 PMAQI
19th Aug 2025371 PMAQI
19th Aug 2025322 PMAQI
19th Aug 2025353 PMAQI
19th Aug 2025314 PMAQI
19th Aug 2025265 PMAQI
19th Aug 2025326 PMAQI
19th Aug 2025367 PMAQI
19th Aug 2025438 PMAQI
19th Aug 2025359 PMAQI
19th Aug 20254010 PMAQI
19th Aug 20253711 PMAQI
20th Aug 20254112 AMAQI
20th Aug 2025421 AMAQI
20th Aug 2025442 AMAQI
20th Aug 2025463 AMAQI
20th Aug 2025434 AMAQI

30°C27/33°C

20th Aug 2025445 AMAQI
20th Aug 2025426 AMAQI
20th Aug 2025437 AMAQI
20th Aug 2025398 AMAQI
20th Aug 2025379 AMAQI
20th Aug 20254010 AMAQI
20th Aug 20253611 AMAQI
20th Aug 20253412 PMAQI
20th Aug 2025391 PMAQI
20th Aug 2025322 PMAQI
20th Aug 2025353 PMAQI
20th Aug 2025344 PMAQI
20th Aug 2025285 PMAQI
20th Aug 2025266 PMAQI
20th Aug 2025367 PMAQI
20th Aug 2025408 PMAQI
20th Aug 2025429 PMAQI
20th Aug 20253610 PMAQI
20th Aug 20253811 PMAQI
21st Aug 20254112 AMAQI
21st Aug 2025431 AMAQI
21st Aug 2025442 AMAQI
21st Aug 2025433 AMAQI
21st Aug 2025424 AMAQI

29°C27/33°C

21st Aug 2025435 AMAQI
5 AM
21st Aug 2025426 AMAQI
21st Aug 2025447 AMAQI
21st Aug 2025388 AMAQI
21st Aug 2025369 AMAQI
21st Aug 20253210 AMAQI
21st Aug 20253811 AMAQI
11 AM
21st Aug 20253712 PMAQI
21st Aug 2025351 PMAQI
21st Aug 2025342 PMAQI
21st Aug 2025343 PMAQI
21st Aug 2025394 PMAQI
21st Aug 2025415 PMAQI
21st Aug 2025416 PMAQI
6 PM
21st Aug 2025387 PMAQI
21st Aug 2025378 PMAQI
21st Aug 2025389 PMAQI
21st Aug 20253910 PMAQI
21st Aug 20253711 PMAQI
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 7 AM

45AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
8 AM - 12 PM

38AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 AM (Avg. 45), while the lowest AQI was between 8 AM to 12 PM (Avg. 38).
Night time
Avg. Highest Time
1 AM - 4 AM

46AQI

4 hours / Day
120 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 4 AM (Avg. 46), while the lowest AQI was between 7 PM to 7 PM (Avg. 41).

2025 Days Vs Air Quality

Douliu, Yunlin, Taiwan

2025

41%

96

57%

132

2%

4

Total number of days with different AQI categories in last 233 days in 2025 (132 days remaining)

Good
96 Days
Moderate
132 Days
Poor
4 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 41%

Health Risk Level:

Significant

In 2025, 41% of 233 days were within WHO’s safe air quality limits, and 59% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.

Annual Air Quality Insights

Douliu, Yunlin, Taiwan

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
103AQI
2nd January 2025
61AQI
3rd January 2025
63AQI
4th January 2025
64AQI
5th January 2025
68AQI
6th January 2025
77AQI
7th January 2025
91AQI
8th January 2025
71AQI
9th January 2025
72AQI
10th January 2025
59AQI
11th January 2025
55AQI
12th January 2025
58AQI
13th January 2025
64AQI
14th January 2025
83AQI
15th January 2025
76AQI
16th January 2025
65AQI
17th January 2025
66AQI
18th January 2025
71AQI
19th January 2025
64AQI
20th January 2025
78AQI
21st January 2025
91AQI
22nd January 2025
106AQI
23rd January 2025
88AQI
24th January 2025
84AQI
25th January 2025
86AQI
26th January 2025
74AQI
27th January 2025
58AQI
28th January 2025
63AQI
29th January 2025
64AQI
30th January 2025
74AQI
31st January 2025
82AQI
1st February 2025
60AQI
2nd February 2025
57AQI
3rd February 2025
52AQI
4th February 2025
69AQI
5th February 2025
75AQI
6th February 2025
95AQI
7th February 2025
62AQI
8th February 2025
67AQI
9th February 2025
51AQI
10th February 2025
60AQI
11th February 2025
72AQI
12th February 2025
73AQI
13th February 2025
55AQI
14th February 2025
66AQI
15th February 2025
57AQI
16th February 2025
80AQI
17th February 2025
94AQI
18th February 2025
83AQI
19th February 2025
80AQI
20th February 2025
85AQI
21st February 2025
53AQI
22nd February 2025
63AQI
23rd February 2025
43AQI
24th February 2025
58AQI
25th February 2025
80AQI
26th February 2025
89AQI
27th February 2025
105AQI
28th February 2025
76AQI
1st March 2025
75AQI
2nd March 2025
71AQI
3rd March 2025
65AQI
4th March 2025
61AQI
5th March 2025
48AQI
6th March 2025
42AQI
7th March 2025
56AQI
8th March 2025
60AQI
9th March 2025
62AQI
10th March 2025
86AQI
11th March 2025
101AQI
12th March 2025
78AQI
13th March 2025
73AQI
14th March 2025
80AQI
15th March 2025
73AQI
16th March 2025
52AQI
17th March 2025
80AQI
18th March 2025
65AQI
19th March 2025
77AQI
20th March 2025
73AQI
21st March 2025
74AQI
22nd March 2025
77AQI
23rd March 2025
76AQI
24th March 2025
71AQI
25th March 2025
69AQI
26th March 2025
67AQI
27th March 2025
63AQI
28th March 2025
68AQI
29th March 2025
54AQI
30th March 2025
46AQI
31st March 2025
46AQI
1st April 2025
37AQI
2nd April 2025
59AQI
3rd April 2025
71AQI
4th April 2025
77AQI
5th April 2025
77AQI
6th April 2025
65AQI
7th April 2025
75AQI
8th April 2025
76AQI
9th April 2025
75AQI
10th April 2025
70AQI
11th April 2025
70AQI
12th April 2025
60AQI
13th April 2025
80AQI
14th April 2025
70AQI
15th April 2025
81AQI
16th April 2025
79AQI
17th April 2025
73AQI
18th April 2025
64AQI
19th April 2025
64AQI
20th April 2025
62AQI
21st April 2025
64AQI
22nd April 2025
57AQI
23rd April 2025
59AQI
24th April 2025
61AQI
25th April 2025
57AQI
26th April 2025
71AQI
27th April 2025
68AQI
28th April 2025
62AQI
29th April 2025
74AQI
30th April 2025
66AQI
1st May 2025
66AQI
2nd May 2025
73AQI
3rd May 2025
72AQI
4th May 2025
73AQI
5th May 2025
67AQI
6th May 2025
64AQI
7th May 2025
59AQI
8th May 2025
63AQI
9th May 2025
48AQI
10th May 2025
40AQI
11th May 2025
40AQI
12th May 2025
52AQI
13th May 2025
55AQI
14th May 2025
57AQI
15th May 2025
50AQI
16th May 2025
55AQI
17th May 2025
45AQI
18th May 2025
39AQI
19th May 2025
39AQI
20th May 2025
38AQI
21st May 2025
35AQI
22nd May 2025
43AQI
23rd May 2025
41AQI
24th May 2025
45AQI
25th May 2025
54AQI
26th May 2025
55AQI
27th May 2025
53AQI
28th May 2025
60AQI
29th May 2025
42AQI
30th May 2025
54AQI
31st May 2025
55AQI
1st June 2025
55AQI
2nd June 2025
37AQI
3rd June 2025
35AQI
4th June 2025
48AQI
5th June 2025
37AQI
6th June 2025
41AQI
7th June 2025
34AQI
8th June 2025
34AQI
9th June 2025
31AQI
10th June 2025
38AQI
11th June 2025
46AQI
12th June 2025
48AQI
13th June 2025
27AQI
14th June 2025
35AQI
15th June 2025
36AQI
16th June 2025
31AQI
17th June 2025
29AQI
18th June 2025
35AQI
19th June 2025
30AQI
20th June 2025
33AQI
21st June 2025
30AQI
22nd June 2025
21AQI
23rd June 2025
24AQI
24th June 2025
28AQI
25th June 2025
32AQI
26th June 2025
31AQI
27th June 2025
28AQI
28th June 2025
32AQI
29th June 2025
37AQI
30th June 2025
40AQI
1st July 2025
43AQI
2nd July 2025
50AQI
3rd July 2025
50AQI
4th July 2025
46AQI
5th July 2025
41AQI
6th July 2025
37AQI
7th July 2025
33AQI
8th July 2025
39AQI
9th July 2025
38AQI
10th July 2025
32AQI
11th July 2025
35AQI
12th July 2025
41AQI
13th July 2025
46AQI
14th July 2025
49AQI
15th July 2025
42AQI
16th July 2025
42AQI
17th July 2025
45AQI
18th July 2025
47AQI
19th July 2025
44AQI
20th July 2025
36AQI
21st July 2025
34AQI
22nd July 2025
37AQI
23rd July 2025
53AQI
24th July 2025
54AQI
25th July 2025
46AQI
26th July 2025
38AQI
27th July 2025
42AQI
28th July 2025
32AQI
29th July 2025
32AQI
30th July 2025
41AQI
31st July 2025
40AQI
1st August 2025
43AQI
2nd August 2025
41AQI
3rd August 2025
41AQI
4th August 2025
39AQI
5th August 2025
46AQI
6th August 2025
46AQI
7th August 2025
50AQI
8th August 2025
53AQI
9th August 2025
47AQI
10th August 2025
39AQI
11th August 2025
40AQI
12th August 2025
48AQI
13th August 2025
43AQI
14th August 2025
37AQI
15th August 2025
38AQI
16th August 2025
42AQI
17th August 2025
38AQI
18th August 2025
38AQI
19th August 2025
38AQI
20th August 2025
39AQI
21st August 2025
22nd August 2025
23rd August 2025
24th August 2025
25th August 2025
26th August 2025
27th August 2025
28th August 2025
29th August 2025
30th August 2025
31st August 2025
1st September 2025
2nd September 2025
3rd September 2025
4th September 2025
5th September 2025
6th September 2025
7th September 2025
8th September 2025
9th September 2025
10th September 2025
11th September 2025
12th September 2025
13th September 2025
14th September 2025
15th September 2025
16th September 2025
17th September 2025
18th September 2025
19th September 2025
20th September 2025
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

74AQI

70AQI

67AQI

67AQI

53AQI

35AQI

41AQI

42AQI

No. of days

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

202557AQI

29
2
1
26
1
4
26
1
1
29
13
18
29
1
29
2
19
1
96
132
4

Highest AQI recorded in

January

74AQI

Lowest AQI recorded in

June

35AQI

202461AQI

3
22
6
2
23
4
2
23
6
6
23
1
4
27
29
31
23
8
14
16
11
20
9
19
2
1
30
135
211
19

Highest AQI recorded in

January

84AQI

Lowest AQI recorded in

July

31AQI

202364AQI

2
24
5
23
5
1
27
3
27
3
8
20
3
26
4
28
3
28
3
13
17
5
23
3
2
26
1
10
19
2
123
216
25

Highest AQI recorded in

April

85AQI

Lowest AQI recorded in

July

36AQI

202262AQI

3
23
4
7
13
1
3
19
8
1
4
24
2
15
16
29
1
22
1
1
7
22
8
23
4
23
3
10
21
113
186
18
1

Highest AQI recorded in

March

90AQI

Lowest AQI recorded in

June

33AQI

202168AQI

2
16
11
1
10
16
1
17
14
27
3
20
11
29
1
24
7
25
6
11
18
1
7
23
1
28
2
3
27
1
122
191
49
1

Highest AQI recorded in

February

107AQI

Lowest AQI recorded in

June

36AQI

202058AQI

2
6
5
2
19
12
6
29
1
30
1
22
9
1
28
1
3
27
1
28
2
10
18
3
111
143
12

Highest AQI recorded in

March

89AQI

Lowest AQI recorded in

June

29AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2021(Avg.)
68AQI
Least Polluted Year Recorded
2025(Avg.)
57AQI

Douliu's annual 2025 AQI (57) shows an average percentage change of -8.9% (improved AQI) compared to previous years: 2020 (58), 2021 (68), 2022 (62), 2023 (64), 2024 (61).