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HistoryAQIPM2.5PM10COSO2NO2O3

Islandtaipower Guoyeh, Magong, Penghu, 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+

September Air Quality Analysis

Islandtaipower Guoyeh, Magong, Penghu, Taiwan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
19th Sep 2022
93AQI
Lowest AQI recorded on
22nd Sep 2021
24AQI

Same Day Analysis (21st September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 46 of Good air quality, showing improvement over 2023 and 2022 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 21st Sep - 22nd Sep 2025

Islandtaipower Guoyeh, Magong, Penghu, Taiwan

AQI
Day
Night
.

5 AM21st Sep 2025

6 PM

4 AM22nd Sep 2025

Day time
Avg. Highest Time
12AMNaNth undefined

AQI

Avg. Lowest Time
12AMNaNth undefined

AQI

Night time
Avg. Highest Time
1AM22nd Sep

58AQI

Avg. Lowest Time
6PM21st Sep

28AQI

In the last 24 hours,

Islandtaipower Guoyeh's AQI reached its highest point of 58 at 1 AM during the Night, while the lowest point, 28, was recorded at 6 PM during the Night between 21st Sep and 22nd Sep 2025.

Day & Night AQI Trend : Aug - Sep 2025

Islandtaipower Guoyeh, Magong, Penghu, Taiwan

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 2025465 AMAQI
23rd Aug 2025466 AMAQI
23rd Aug 2025487 AMAQI
23rd Aug 2025628 AMAQI
23rd Aug 2025569 AMAQI
23rd Aug 20255510 AMAQI
23rd Aug 20255211 AMAQI
23rd Aug 20254812 PMAQI
23rd Aug 2025461 PMAQI
23rd Aug 2025512 PMAQI
23rd Aug 2025423 PMAQI
23rd Aug 2025464 PMAQI
23rd Aug 2025455 PMAQI
23rd Aug 2025476 PMAQI
23rd Aug 2025457 PMAQI
23rd Aug 2025518 PMAQI
23rd Aug 2025509 PMAQI
23rd Aug 20255210 PMAQI
23rd Aug 20255111 PMAQI
24th Aug 20254912 AMAQI
24th Aug 2025481 AMAQI
24th Aug 2025482 AMAQI
24th Aug 2025493 AMAQI
24th Aug 2025494 AMAQI

29°C28/30°C

24th Aug 2025505 AMAQI
24th Aug 2025516 AMAQI
24th Aug 2025517 AMAQI
24th Aug 2025448 AMAQI
24th Aug 2025499 AMAQI
24th Aug 20253810 AMAQI
24th Aug 20253711 AMAQI
24th Aug 20253412 PMAQI
24th Aug 2025461 PMAQI
24th Aug 2025482 PMAQI
24th Aug 2025443 PMAQI
24th Aug 2025514 PMAQI
24th Aug 2025495 PMAQI
24th Aug 2025396 PMAQI
24th Aug 2025507 PMAQI
24th Aug 2025498 PMAQI
24th Aug 2025499 PMAQI
24th Aug 20254910 PMAQI
24th Aug 20254811 PMAQI
25th Aug 20255212 AMAQI
25th Aug 2025501 AMAQI
25th Aug 2025502 AMAQI
25th Aug 2025503 AMAQI
25th Aug 2025504 AMAQI

29°C28/29°C

25th Aug 2025495 AMAQI
25th Aug 2025516 AMAQI
25th Aug 2025507 AMAQI
25th Aug 2025538 AMAQI
25th Aug 2025449 AMAQI
25th Aug 20253810 AMAQI
25th Aug 20254711 AMAQI
25th Aug 20253912 PMAQI
25th Aug 2025321 PMAQI
25th Aug 2025322 PMAQI
25th Aug 2025443 PMAQI
25th Aug 2025344 PMAQI
25th Aug 2025445 PMAQI
25th Aug 2025466 PMAQI
25th Aug 2025467 PMAQI
25th Aug 2025448 PMAQI
25th Aug 2025499 PMAQI
25th Aug 20254910 PMAQI
25th Aug 20255211 PMAQI
26th Aug 20255212 AMAQI
26th Aug 2025521 AMAQI
26th Aug 2025512 AMAQI
26th Aug 2025523 AMAQI
26th Aug 2025494 AMAQI

28°C28/29°C

26th Aug 2025505 AMAQI
26th Aug 2025496 AMAQI
26th Aug 2025507 AMAQI
26th Aug 2025348 AMAQI
26th Aug 2025279 AMAQI
26th Aug 20253110 AMAQI
26th Aug 20253211 AMAQI
26th Aug 20253312 PMAQI
26th Aug 2025431 PMAQI
26th Aug 2025312 PMAQI
26th Aug 2025343 PMAQI
26th Aug 2025374 PMAQI
26th Aug 2025385 PMAQI
26th Aug 2025446 PMAQI
26th Aug 2025447 PMAQI
26th Aug 2025488 PMAQI
26th Aug 2025469 PMAQI
26th Aug 20254210 PMAQI
26th Aug 20253811 PMAQI
27th Aug 20254012 AMAQI
27th Aug 2025521 AMAQI
27th Aug 2025502 AMAQI
27th Aug 2025493 AMAQI
27th Aug 2025474 AMAQI

28°C28/29°C

27th Aug 2025445 AMAQI
27th Aug 2025476 AMAQI
27th Aug 2025487 AMAQI
27th Aug 2025288 AMAQI
27th Aug 2025289 AMAQI
27th Aug 20254010 AMAQI
27th Aug 20254611 AMAQI
27th Aug 20254712 PMAQI
27th Aug 2025411 PMAQI
27th Aug 2025252 PMAQI
27th Aug 2025273 PMAQI
27th Aug 2025254 PMAQI
27th Aug 2025355 PMAQI
27th Aug 2025476 PMAQI
27th Aug 2025447 PMAQI
27th Aug 2025478 PMAQI
27th Aug 2025439 PMAQI
27th Aug 20254210 PMAQI
27th Aug 20254411 PMAQI
28th Aug 20253912 AMAQI
28th Aug 2025471 AMAQI
28th Aug 2025492 AMAQI
28th Aug 2025473 AMAQI
28th Aug 2025454 AMAQI

28°C27/28°C

28th Aug 2025475 AMAQI
28th Aug 2025476 AMAQI
28th Aug 2025457 AMAQI
28th Aug 2025378 AMAQI
28th Aug 2025379 AMAQI
28th Aug 20254210 AMAQI
28th Aug 20254011 AMAQI
28th Aug 20254212 PMAQI
28th Aug 2025401 PMAQI
28th Aug 2025332 PMAQI
28th Aug 2025303 PMAQI
28th Aug 2025414 PMAQI
28th Aug 2025475 PMAQI
28th Aug 2025386 PMAQI
28th Aug 2025447 PMAQI
28th Aug 2025488 PMAQI
28th Aug 2025489 PMAQI
28th Aug 20255010 PMAQI
28th Aug 20255211 PMAQI
29th Aug 20254912 AMAQI
29th Aug 2025511 AMAQI
29th Aug 2025482 AMAQI
29th Aug 2025473 AMAQI
29th Aug 2025494 AMAQI

28°C28/28°C

29th Aug 2025455 AMAQI
29th Aug 2025466 AMAQI
29th Aug 2025457 AMAQI
29th Aug 2025518 AMAQI
29th Aug 2025319 AMAQI
29th Aug 20253010 AMAQI
29th Aug 20254011 AMAQI
29th Aug 20253712 PMAQI
29th Aug 2025371 PMAQI
29th Aug 2025432 PMAQI
29th Aug 2025473 PMAQI
29th Aug 2025404 PMAQI
29th Aug 2025325 PMAQI
29th Aug 2025446 PMAQI
29th Aug 2025427 PMAQI
29th Aug 2025458 PMAQI
29th Aug 2025509 PMAQI
29th Aug 20254510 PMAQI
29th Aug 20253611 PMAQI
30th Aug 20254312 AMAQI
30th Aug 2025481 AMAQI
30th Aug 2025492 AMAQI
30th Aug 2025473 AMAQI
30th Aug 2025444 AMAQI

28°C28/29°C

30th Aug 2025445 AMAQI
30th Aug 2025466 AMAQI
30th Aug 2025457 AMAQI
30th Aug 2025248 AMAQI
30th Aug 2025339 AMAQI
30th Aug 20252910 AMAQI
30th Aug 20253611 AMAQI
30th Aug 20253112 PMAQI
30th Aug 2025321 PMAQI
30th Aug 2025352 PMAQI
30th Aug 2025383 PMAQI
30th Aug 2025274 PMAQI
30th Aug 2025295 PMAQI
30th Aug 2025326 PMAQI
30th Aug 2025327 PMAQI
30th Aug 2025408 PMAQI
30th Aug 2025509 PMAQI
30th Aug 20253810 PMAQI
30th Aug 20254111 PMAQI
31st Aug 20254312 AMAQI
31st Aug 2025461 AMAQI
31st Aug 2025472 AMAQI
31st Aug 2025443 AMAQI
31st Aug 2025424 AMAQI

28°C27/28°C

31st Aug 2025405 AMAQI
31st Aug 2025446 AMAQI
31st Aug 2025437 AMAQI
31st Aug 2025468 AMAQI
31st Aug 2025469 AMAQI
31st Aug 20255110 AMAQI
31st Aug 20254311 AMAQI
31st Aug 20253412 PMAQI
31st Aug 2025401 PMAQI
31st Aug 2025432 PMAQI
31st Aug 2025363 PMAQI
31st Aug 2025384 PMAQI
31st Aug 2025415 PMAQI
31st Aug 2025356 PMAQI
31st Aug 2025537 PMAQI
31st Aug 2025488 PMAQI
31st Aug 2025479 PMAQI
31st Aug 20254910 PMAQI
31st Aug 20254811 PMAQI
1st Sep 20254612 AMAQI
1st Sep 2025471 AMAQI
1st Sep 2025472 AMAQI
1st Sep 2025523 AMAQI
1st Sep 2025454 AMAQI

28°C28/28°C

1st Sep 2025445 AMAQI
1st Sep 2025486 AMAQI
1st Sep 2025507 AMAQI
1st Sep 2025508 AMAQI
1st Sep 2025499 AMAQI
1st Sep 20254510 AMAQI
1st Sep 20255311 AMAQI
1st Sep 20254212 PMAQI
1st Sep 2025421 PMAQI
1st Sep 2025402 PMAQI
1st Sep 2025473 PMAQI
1st Sep 2025464 PMAQI
1st Sep 2025395 PMAQI
1st Sep 2025446 PMAQI
1st Sep 2025507 PMAQI
1st Sep 2025508 PMAQI
1st Sep 2025539 PMAQI
1st Sep 20255010 PMAQI
1st Sep 20254411 PMAQI
2nd Sep 20254312 AMAQI
2nd Sep 2025451 AMAQI
2nd Sep 2025492 AMAQI
2nd Sep 2025483 AMAQI
2nd Sep 2025504 AMAQI

28°C28/29°C

2nd Sep 2025515 AMAQI
2nd Sep 2025496 AMAQI
2nd Sep 2025507 AMAQI
2nd Sep 2025408 AMAQI
2nd Sep 2025549 AMAQI
2nd Sep 20254710 AMAQI
2nd Sep 20253411 AMAQI
2nd Sep 20253212 PMAQI
2nd Sep 2025411 PMAQI
2nd Sep 2025422 PMAQI
2nd Sep 2025513 PMAQI
2nd Sep 2025414 PMAQI
2nd Sep 2025455 PMAQI
2nd Sep 2025506 PMAQI
2nd Sep 2025507 PMAQI
2nd Sep 2025478 PMAQI
2nd Sep 2025559 PMAQI
2nd Sep 20255010 PMAQI
2nd Sep 20255111 PMAQI
3rd Sep 20255212 AMAQI
3rd Sep 2025501 AMAQI
3rd Sep 2025512 AMAQI
3rd Sep 2025523 AMAQI
3rd Sep 2025494 AMAQI

28°C28/28°C

3rd Sep 2025485 AMAQI
3rd Sep 2025496 AMAQI
3rd Sep 2025517 AMAQI
3rd Sep 2025568 AMAQI
3rd Sep 2025629 AMAQI
3rd Sep 20256110 AMAQI
3rd Sep 20255111 AMAQI
3rd Sep 20255112 PMAQI
3rd Sep 2025581 PMAQI
3rd Sep 2025562 PMAQI
3rd Sep 2025503 PMAQI
3rd Sep 2025474 PMAQI
3rd Sep 2025455 PMAQI
3rd Sep 2025446 PMAQI
3rd Sep 2025467 PMAQI
3rd Sep 2025508 PMAQI
3rd Sep 2025519 PMAQI
3rd Sep 20255210 PMAQI
3rd Sep 20255111 PMAQI
4th Sep 20254912 AMAQI
4th Sep 2025521 AMAQI
4th Sep 2025522 AMAQI
4th Sep 2025523 AMAQI
4th Sep 2025524 AMAQI

29°C28/29°C

4th Sep 2025545 AMAQI
4th Sep 2025536 AMAQI
4th Sep 2025547 AMAQI
4th Sep 2025548 AMAQI
4th Sep 2025609 AMAQI
4th Sep 20254910 AMAQI
4th Sep 20255011 AMAQI
4th Sep 20256112 PMAQI
4th Sep 2025521 PMAQI
4th Sep 2025482 PMAQI
4th Sep 2025563 PMAQI
4th Sep 2025334 PMAQI
4th Sep 2025515 PMAQI
4th Sep 2025526 PMAQI
4th Sep 2025397 PMAQI
4th Sep 2025388 PMAQI
4th Sep 2025539 PMAQI
4th Sep 20252610 PMAQI
4th Sep 20252211 PMAQI
5th Sep 20253612 AMAQI
5th Sep 2025531 AMAQI
5th Sep 2025542 AMAQI
5th Sep 2025553 AMAQI
5th Sep 2025554 AMAQI

29°C28/29°C

5th Sep 2025555 AMAQI
5th Sep 2025576 AMAQI
5th Sep 2025567 AMAQI
5th Sep 2025528 AMAQI
5th Sep 2025669 AMAQI
5th Sep 20256910 AMAQI
5th Sep 20256111 AMAQI
5th Sep 20256112 PMAQI
5th Sep 2025611 PMAQI
5th Sep 2025612 PMAQI
5th Sep 2025583 PMAQI
5th Sep 2025504 PMAQI
5th Sep 2025495 PMAQI
5th Sep 2025586 PMAQI
5th Sep 2025567 PMAQI
5th Sep 2025558 PMAQI
5th Sep 2025519 PMAQI
5th Sep 20255110 PMAQI
5th Sep 20255211 PMAQI
6th Sep 20255412 AMAQI
6th Sep 2025531 AMAQI
6th Sep 2025532 AMAQI
6th Sep 2025553 AMAQI
6th Sep 2025554 AMAQI

28°C28/29°C

6th Sep 2025575 AMAQI
6th Sep 2025556 AMAQI
6th Sep 2025567 AMAQI
6th Sep 2025618 AMAQI
6th Sep 2025509 AMAQI
6th Sep 20255810 AMAQI
6th Sep 20256111 AMAQI
6th Sep 20255412 PMAQI
6th Sep 2025441 PMAQI
6th Sep 2025502 PMAQI
6th Sep 2025523 PMAQI
6th Sep 2025584 PMAQI
6th Sep 2025505 PMAQI
6th Sep 2025526 PMAQI
6th Sep 2025537 PMAQI
6th Sep 2025488 PMAQI
6th Sep 2025499 PMAQI
6th Sep 20255110 PMAQI
6th Sep 20254411 PMAQI
7th Sep 20255012 AMAQI
7th Sep 2025561 AMAQI
7th Sep 2025562 AMAQI
7th Sep 2025563 AMAQI
7th Sep 2025564 AMAQI

29°C28/29°C

7th Sep 2025565 AMAQI
7th Sep 2025566 AMAQI
7th Sep 2025567 AMAQI
7th Sep 2025368 AMAQI
7th Sep 2025349 AMAQI
7th Sep 20254210 AMAQI
7th Sep 20254011 AMAQI
7th Sep 20254312 PMAQI
7th Sep 2025281 PMAQI
7th Sep 2025272 PMAQI
7th Sep 2025283 PMAQI
7th Sep 2025234 PMAQI
7th Sep 2025355 PMAQI
7th Sep 2025346 PMAQI
7th Sep 2025367 PMAQI
7th Sep 2025468 PMAQI
7th Sep 2025429 PMAQI
7th Sep 20254010 PMAQI
7th Sep 20253911 PMAQI
8th Sep 20254612 AMAQI
8th Sep 2025521 AMAQI
8th Sep 2025552 AMAQI
8th Sep 2025543 AMAQI
8th Sep 2025534 AMAQI

29°C28/29°C

8th Sep 2025535 AMAQI
8th Sep 2025546 AMAQI
8th Sep 2025537 AMAQI
8th Sep 2025168 AMAQI
8th Sep 2025129 AMAQI
8th Sep 20251210 AMAQI
8th Sep 20251911 AMAQI
8th Sep 20252912 PMAQI
8th Sep 2025261 PMAQI
8th Sep 2025282 PMAQI
8th Sep 2025223 PMAQI
8th Sep 2025324 PMAQI
8th Sep 2025265 PMAQI
8th Sep 2025306 PMAQI
8th Sep 2025467 PMAQI
8th Sep 2025508 PMAQI
8th Sep 2025429 PMAQI
8th Sep 20254710 PMAQI
8th Sep 20254811 PMAQI
9th Sep 20255212 AMAQI
9th Sep 2025521 AMAQI
9th Sep 2025542 AMAQI
9th Sep 2025523 AMAQI
9th Sep 2025514 AMAQI

28°C27/29°C

9th Sep 2025515 AMAQI
9th Sep 2025516 AMAQI
9th Sep 2025497 AMAQI
9th Sep 2025388 AMAQI
9th Sep 2025309 AMAQI
9th Sep 20253010 AMAQI
9th Sep 20252211 AMAQI
9th Sep 20253112 PMAQI
9th Sep 2025221 PMAQI
9th Sep 2025232 PMAQI
9th Sep 2025233 PMAQI
9th Sep 2025254 PMAQI
9th Sep 2025265 PMAQI
9th Sep 2025326 PMAQI
9th Sep 2025337 PMAQI
9th Sep 2025368 PMAQI
9th Sep 2025389 PMAQI
9th Sep 20253810 PMAQI
9th Sep 20253911 PMAQI
10th Sep 20254412 AMAQI
10th Sep 2025511 AMAQI
10th Sep 2025522 AMAQI
10th Sep 2025533 AMAQI
10th Sep 2025494 AMAQI

28°C28/29°C

10th Sep 2025485 AMAQI
10th Sep 2025516 AMAQI
10th Sep 2025497 AMAQI
10th Sep 2025338 AMAQI
10th Sep 2025259 AMAQI
10th Sep 20252610 AMAQI
10th Sep 20252811 AMAQI
10th Sep 20252112 PMAQI
10th Sep 2025251 PMAQI
10th Sep 2025332 PMAQI
10th Sep 2025423 PMAQI
10th Sep 2025254 PMAQI
10th Sep 2025305 PMAQI
10th Sep 2025426 PMAQI
10th Sep 2025447 PMAQI
10th Sep 2025448 PMAQI
10th Sep 2025379 PMAQI
10th Sep 20253710 PMAQI
10th Sep 20254211 PMAQI
11th Sep 20254612 AMAQI
11th Sep 2025501 AMAQI
11th Sep 2025522 AMAQI
11th Sep 2025503 AMAQI
11th Sep 2025474 AMAQI

28°C28/29°C

11th Sep 2025495 AMAQI
11th Sep 2025496 AMAQI
11th Sep 2025477 AMAQI
11th Sep 2025178 AMAQI
11th Sep 2025259 AMAQI
11th Sep 20252010 AMAQI
11th Sep 20252811 AMAQI
11th Sep 20252412 PMAQI
11th Sep 2025341 PMAQI
11th Sep 2025352 PMAQI
11th Sep 2025313 PMAQI
11th Sep 2025294 PMAQI
11th Sep 2025295 PMAQI
11th Sep 2025346 PMAQI
11th Sep 2025447 PMAQI
11th Sep 2025468 PMAQI
11th Sep 2025469 PMAQI
11th Sep 20254210 PMAQI
11th Sep 20254111 PMAQI
12th Sep 20254512 AMAQI
12th Sep 2025501 AMAQI
12th Sep 2025522 AMAQI
12th Sep 2025503 AMAQI
12th Sep 2025514 AMAQI

29°C28/29°C

12th Sep 2025475 AMAQI
12th Sep 2025506 AMAQI
12th Sep 2025507 AMAQI
12th Sep 2025388 AMAQI
12th Sep 2025429 AMAQI
12th Sep 20252710 AMAQI
12th Sep 20253811 AMAQI
12th Sep 20253612 PMAQI
12th Sep 2025391 PMAQI
12th Sep 2025402 PMAQI
12th Sep 2025343 PMAQI
12th Sep 2025394 PMAQI
12th Sep 2025375 PMAQI
12th Sep 2025436 PMAQI
12th Sep 2025437 PMAQI
12th Sep 2025448 PMAQI
12th Sep 2025489 PMAQI
12th Sep 20254910 PMAQI
12th Sep 20255011 PMAQI
13th Sep 20254812 AMAQI
13th Sep 2025501 AMAQI
13th Sep 2025522 AMAQI
13th Sep 2025503 AMAQI
13th Sep 2025504 AMAQI

28°C28/29°C

13th Sep 2025485 AMAQI
13th Sep 2025496 AMAQI
13th Sep 2025507 AMAQI
13th Sep 2025468 AMAQI
13th Sep 2025379 AMAQI
13th Sep 20255310 AMAQI
13th Sep 20253811 AMAQI
13th Sep 20253812 PMAQI
13th Sep 2025441 PMAQI
13th Sep 2025352 PMAQI
13th Sep 2025303 PMAQI
13th Sep 2025254 PMAQI
13th Sep 2025255 PMAQI
13th Sep 2025266 PMAQI
13th Sep 2025357 PMAQI
13th Sep 2025458 PMAQI
13th Sep 2025429 PMAQI
13th Sep 20254210 PMAQI
13th Sep 20254411 PMAQI
14th Sep 20254512 AMAQI
14th Sep 2025501 AMAQI
14th Sep 2025512 AMAQI
14th Sep 2025493 AMAQI
14th Sep 2025504 AMAQI

29°C28/29°C

14th Sep 2025495 AMAQI
14th Sep 2025476 AMAQI
14th Sep 2025497 AMAQI
14th Sep 2025508 AMAQI
14th Sep 2025399 AMAQI
14th Sep 20254110 AMAQI
14th Sep 20253711 AMAQI
14th Sep 20254512 PMAQI
14th Sep 2025371 PMAQI
14th Sep 2025502 PMAQI
14th Sep 2025483 PMAQI
14th Sep 2025444 PMAQI
14th Sep 2025345 PMAQI
14th Sep 2025496 PMAQI
14th Sep 2025497 PMAQI
14th Sep 2025448 PMAQI
14th Sep 2025489 PMAQI
14th Sep 20254410 PMAQI
14th Sep 20254311 PMAQI
15th Sep 20255112 AMAQI
15th Sep 2025511 AMAQI
15th Sep 2025472 AMAQI
15th Sep 2025503 AMAQI
15th Sep 2025494 AMAQI

29°C28/29°C

15th Sep 2025495 AMAQI
15th Sep 2025506 AMAQI
15th Sep 2025517 AMAQI
15th Sep 2025578 AMAQI
15th Sep 2025589 AMAQI
15th Sep 20255610 AMAQI
15th Sep 20254411 AMAQI
15th Sep 20254412 PMAQI
15th Sep 2025301 PMAQI
15th Sep 2025302 PMAQI
15th Sep 2025283 PMAQI
15th Sep 2025404 PMAQI
15th Sep 2025305 PMAQI
15th Sep 2025396 PMAQI
15th Sep 2025457 PMAQI
15th Sep 2025448 PMAQI
15th Sep 2025469 PMAQI
15th Sep 20254310 PMAQI
15th Sep 20254411 PMAQI
16th Sep 20254712 AMAQI
16th Sep 2025511 AMAQI
16th Sep 2025512 AMAQI
16th Sep 2025523 AMAQI
16th Sep 2025504 AMAQI

29°C28/29°C

16th Sep 2025505 AMAQI
16th Sep 2025506 AMAQI
16th Sep 2025507 AMAQI
16th Sep 2025368 AMAQI
16th Sep 2025399 AMAQI
16th Sep 20253010 AMAQI
16th Sep 20252711 AMAQI
16th Sep 20253012 PMAQI
16th Sep 2025461 PMAQI
16th Sep 2025312 PMAQI
16th Sep 2025453 PMAQI
16th Sep 2025534 PMAQI
16th Sep 2025485 PMAQI
16th Sep 2025446 PMAQI
16th Sep 2025507 PMAQI
16th Sep 2025428 PMAQI
16th Sep 2025369 PMAQI
16th Sep 20254610 PMAQI
16th Sep 20254411 PMAQI
17th Sep 20255212 AMAQI
17th Sep 2025511 AMAQI
17th Sep 2025512 AMAQI
17th Sep 2025483 AMAQI
17th Sep 2025484 AMAQI

29°C28/29°C

17th Sep 2025485 AMAQI
17th Sep 2025486 AMAQI
17th Sep 2025487 AMAQI
17th Sep 2025518 AMAQI
17th Sep 2025529 AMAQI
17th Sep 20254410 AMAQI
17th Sep 20254211 AMAQI
17th Sep 20254712 PMAQI
17th Sep 2025551 PMAQI
17th Sep 2025452 PMAQI
17th Sep 2025573 PMAQI
17th Sep 2025494 PMAQI
17th Sep 2025365 PMAQI
17th Sep 2025426 PMAQI
17th Sep 2025487 PMAQI
17th Sep 2025548 PMAQI
17th Sep 2025479 PMAQI
17th Sep 20254410 PMAQI
17th Sep 20253911 PMAQI
18th Sep 20254812 AMAQI
18th Sep 2025511 AMAQI
18th Sep 2025512 AMAQI
18th Sep 2025513 AMAQI
18th Sep 2025524 AMAQI

29°C28/29°C

18th Sep 2025525 AMAQI
18th Sep 2025516 AMAQI
18th Sep 2025517 AMAQI
18th Sep 2025638 AMAQI
18th Sep 2025629 AMAQI
18th Sep 20255510 AMAQI
18th Sep 20255311 AMAQI
18th Sep 20255812 PMAQI
18th Sep 2025451 PMAQI
18th Sep 2025332 PMAQI
18th Sep 2025393 PMAQI
18th Sep 2025284 PMAQI
18th Sep 2025275 PMAQI
18th Sep 2025336 PMAQI
18th Sep 2025347 PMAQI
18th Sep 2025448 PMAQI
18th Sep 2025409 PMAQI
18th Sep 20253510 PMAQI
18th Sep 20254011 PMAQI
19th Sep 20253812 AMAQI
19th Sep 2025521 AMAQI
19th Sep 2025522 AMAQI
19th Sep 2025523 AMAQI
19th Sep 2025524 AMAQI

28°C28/29°C

19th Sep 2025525 AMAQI
19th Sep 2025526 AMAQI
19th Sep 2025527 AMAQI
19th Sep 2025378 AMAQI
19th Sep 2025199 AMAQI
19th Sep 20252010 AMAQI
19th Sep 20252911 AMAQI
19th Sep 20253412 PMAQI
19th Sep 2025321 PMAQI
19th Sep 2025412 PMAQI
19th Sep 2025363 PMAQI
19th Sep 2025344 PMAQI
19th Sep 2025315 PMAQI
19th Sep 2025316 PMAQI
19th Sep 2025287 PMAQI
19th Sep 2025368 PMAQI
19th Sep 2025449 PMAQI
19th Sep 20254010 PMAQI
19th Sep 20253511 PMAQI
20th Sep 20254012 AMAQI
20th Sep 2025511 AMAQI
20th Sep 2025522 AMAQI
20th Sep 2025523 AMAQI
20th Sep 2025504 AMAQI

28°C28/28°C

20th Sep 2025495 AMAQI
20th Sep 2025486 AMAQI
20th Sep 2025487 AMAQI
20th Sep 2025258 AMAQI
20th Sep 2025409 AMAQI
20th Sep 20252510 AMAQI
20th Sep 20254211 AMAQI
20th Sep 20252912 PMAQI
20th Sep 2025481 PMAQI
20th Sep 2025312 PMAQI
20th Sep 2025423 PMAQI
20th Sep 2025474 PMAQI
20th Sep 2025285 PMAQI
20th Sep 2025266 PMAQI
20th Sep 2025457 PMAQI
20th Sep 2025488 PMAQI
20th Sep 2025449 PMAQI
20th Sep 20253910 PMAQI
20th Sep 20253711 PMAQI
21st Sep 20253812 AMAQI
21st Sep 2025481 AMAQI
21st Sep 2025502 AMAQI
21st Sep 2025493 AMAQI
21st Sep 2025464 AMAQI

28°C27/28°C

21st Sep 2025465 AMAQI
21st Sep 2025466 AMAQI
21st Sep 2025477 AMAQI
21st Sep 2025438 AMAQI
21st Sep 2025549 AMAQI
21st Sep 20255410 AMAQI
21st Sep 20253311 AMAQI
21st Sep 20254012 PMAQI
21st Sep 2025471 PMAQI
21st Sep 2025482 PMAQI
21st Sep 2025503 PMAQI
21st Sep 2025384 PMAQI
21st Sep 2025305 PMAQI
21st Sep 2025286 PMAQI
21st Sep 2025437 PMAQI
21st Sep 2025408 PMAQI
21st Sep 2025469 PMAQI
21st Sep 20254810 PMAQI
21st Sep 20254611 PMAQI
22nd Sep 20254412 AMAQI
22nd Sep 2025581 AMAQI
22nd Sep 2025462 AMAQI
22nd Sep 2025443 AMAQI
22nd Sep 2025554 AMAQI

--°C/°C

5 AM
11 AM
6 PM
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 7 AM

50AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
4 PM - 5 PM

38AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 AM (Avg. 50), while the lowest AQI was between 4 PM to 5 PM (Avg. 38).
Night time
Avg. Highest Time
1 AM - 4 AM

50AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM

44AQI

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. 50), while the lowest AQI was between 7 PM to 7 PM (Avg. 44).

2025 Days Vs Air Quality

Islandtaipower Guoyeh, Magong, Penghu, Taiwan

2025

53%

139

47%

125

Total number of days with different AQI categories in last 264 days in 2025 (101 days remaining)

Good
139 Days
Moderate
125 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 53%

Health Risk Level:

Considerable

In 2025, 53% of 264 days were within WHO’s safe air quality limits, and 47% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.

Annual Air Quality Insights

Islandtaipower Guoyeh, Magong, Penghu, 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
71AQI
2nd January 2025
59AQI
3rd January 2025
66AQI
4th January 2025
59AQI
5th January 2025
55AQI
6th January 2025
76AQI
7th January 2025
65AQI
8th January 2025
60AQI
9th January 2025
71AQI
10th January 2025
59AQI
11th January 2025
60AQI
12th January 2025
56AQI
13th January 2025
60AQI
14th January 2025
67AQI
15th January 2025
85AQI
16th January 2025
62AQI
17th January 2025
65AQI
18th January 2025
65AQI
19th January 2025
59AQI
20th January 2025
70AQI
21st January 2025
97AQI
22nd January 2025
77AQI
23rd January 2025
67AQI
24th January 2025
64AQI
25th January 2025
70AQI
26th January 2025
61AQI
27th January 2025
55AQI
28th January 2025
54AQI
29th January 2025
55AQI
30th January 2025
62AQI
31st January 2025
58AQI
1st February 2025
54AQI
2nd February 2025
45AQI
3rd February 2025
49AQI
4th February 2025
80AQI
5th February 2025
59AQI
6th February 2025
59AQI
7th February 2025
51AQI
8th February 2025
62AQI
9th February 2025
53AQI
10th February 2025
54AQI
11th February 2025
52AQI
12th February 2025
48AQI
13th February 2025
61AQI
14th February 2025
60AQI
15th February 2025
64AQI
16th February 2025
56AQI
17th February 2025
98AQI
18th February 2025
60AQI
19th February 2025
69AQI
20th February 2025
56AQI
21st February 2025
50AQI
22nd February 2025
55AQI
23rd February 2025
46AQI
24th February 2025
72AQI
25th February 2025
79AQI
26th February 2025
65AQI
27th February 2025
85AQI
28th February 2025
67AQI
1st March 2025
65AQI
2nd March 2025
66AQI
3rd March 2025
48AQI
4th March 2025
44AQI
5th March 2025
40AQI
6th March 2025
45AQI
7th March 2025
61AQI
8th March 2025
56AQI
9th March 2025
63AQI
10th March 2025
59AQI
11th March 2025
65AQI
12th March 2025
59AQI
13th March 2025
48AQI
14th March 2025
52AQI
15th March 2025
43AQI
16th March 2025
45AQI
17th March 2025
68AQI
18th March 2025
54AQI
19th March 2025
68AQI
20th March 2025
61AQI
21st March 2025
61AQI
22nd March 2025
57AQI
23rd March 2025
58AQI
24th March 2025
59AQI
25th March 2025
54AQI
26th March 2025
56AQI
27th March 2025
49AQI
28th March 2025
58AQI
29th March 2025
45AQI
30th March 2025
41AQI
31st March 2025
36AQI
1st April 2025
41AQI
2nd April 2025
49AQI
3rd April 2025
54AQI
4th April 2025
63AQI
5th April 2025
60AQI
6th April 2025
62AQI
7th April 2025
75AQI
8th April 2025
70AQI
9th April 2025
65AQI
10th April 2025
60AQI
11th April 2025
64AQI
12th April 2025
55AQI
13th April 2025
78AQI
14th April 2025
76AQI
15th April 2025
77AQI
16th April 2025
72AQI
17th April 2025
74AQI
18th April 2025
60AQI
19th April 2025
57AQI
20th April 2025
59AQI
21st April 2025
52AQI
22nd April 2025
58AQI
23rd April 2025
59AQI
24th April 2025
54AQI
25th April 2025
38AQI
26th April 2025
41AQI
27th April 2025
48AQI
28th April 2025
54AQI
29th April 2025
57AQI
30th April 2025
56AQI
1st May 2025
55AQI
2nd May 2025
66AQI
3rd May 2025
66AQI
4th May 2025
69AQI
5th May 2025
63AQI
6th May 2025
67AQI
7th May 2025
59AQI
8th May 2025
57AQI
9th May 2025
44AQI
10th May 2025
43AQI
11th May 2025
45AQI
12th May 2025
59AQI
13th May 2025
59AQI
14th May 2025
58AQI
15th May 2025
50AQI
16th May 2025
45AQI
17th May 2025
38AQI
18th May 2025
36AQI
19th May 2025
34AQI
20th May 2025
35AQI
21st May 2025
33AQI
22nd May 2025
42AQI
23rd May 2025
38AQI
24th May 2025
45AQI
25th May 2025
61AQI
26th May 2025
57AQI
27th May 2025
58AQI
28th May 2025
53AQI
29th May 2025
37AQI
30th May 2025
52AQI
31st May 2025
62AQI
1st June 2025
55AQI
2nd June 2025
48AQI
3rd June 2025
43AQI
4th June 2025
44AQI
5th June 2025
37AQI
6th June 2025
43AQI
7th June 2025
32AQI
8th June 2025
34AQI
9th June 2025
38AQI
10th June 2025
34AQI
11th June 2025
40AQI
12th June 2025
46AQI
13th June 2025
39AQI
14th June 2025
43AQI
15th June 2025
44AQI
16th June 2025
40AQI
17th June 2025
36AQI
18th June 2025
36AQI
19th June 2025
34AQI
20th June 2025
34AQI
21st June 2025
29AQI
22nd June 2025
25AQI
23rd June 2025
28AQI
24th June 2025
26AQI
25th June 2025
26AQI
26th June 2025
24AQI
27th June 2025
23AQI
28th June 2025
28AQI
29th June 2025
25AQI
30th June 2025
29AQI
1st July 2025
33AQI
2nd July 2025
36AQI
3rd July 2025
40AQI
4th July 2025
41AQI
5th July 2025
35AQI
6th July 2025
34AQI
7th July 2025
39AQI
8th July 2025
44AQI
9th July 2025
48AQI
10th July 2025
38AQI
11th July 2025
43AQI
12th July 2025
49AQI
13th July 2025
51AQI
14th July 2025
52AQI
15th July 2025
50AQI
16th July 2025
51AQI
17th July 2025
53AQI
18th July 2025
49AQI
19th July 2025
50AQI
20th July 2025
47AQI
21st July 2025
43AQI
22nd July 2025
42AQI
23rd July 2025
45AQI
24th July 2025
46AQI
25th July 2025
42AQI
26th July 2025
46AQI
27th July 2025
44AQI
28th July 2025
39AQI
29th July 2025
41AQI
30th July 2025
46AQI
31st July 2025
47AQI
1st August 2025
44AQI
2nd August 2025
48AQI
3rd August 2025
45AQI
4th August 2025
38AQI
5th August 2025
45AQI
6th August 2025
48AQI
7th August 2025
51AQI
8th August 2025
51AQI
9th August 2025
41AQI
10th August 2025
39AQI
11th August 2025
39AQI
12th August 2025
45AQI
13th August 2025
44AQI
14th August 2025
41AQI
15th August 2025
41AQI
16th August 2025
42AQI
17th August 2025
37AQI
18th August 2025
36AQI
19th August 2025
37AQI
20th August 2025
39AQI
21st August 2025
41AQI
22nd August 2025
46AQI
23rd August 2025
48AQI
24th August 2025
47AQI
25th August 2025
46AQI
26th August 2025
43AQI
27th August 2025
40AQI
28th August 2025
43AQI
29th August 2025
45AQI
30th August 2025
39AQI
31st August 2025
44AQI
1st September 2025
47AQI
2nd September 2025
47AQI
3rd September 2025
51AQI
4th September 2025
46AQI
5th September 2025
50AQI
6th September 2025
53AQI
7th September 2025
43AQI
8th September 2025
40AQI
9th September 2025
38AQI
10th September 2025
41AQI
11th September 2025
40AQI
12th September 2025
44AQI
13th September 2025
42AQI
14th September 2025
46AQI
15th September 2025
45AQI
16th September 2025
44AQI
17th September 2025
47AQI
18th September 2025
45AQI
19th September 2025
39AQI
20th September 2025
42AQI
21st September 2025
46AQI
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

65AQI

61AQI

54AQI

60AQI

51AQI

35AQI

44AQI

43AQI

45AQI

No. of days

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

202551AQI

31
5
23
11
20
5
25
14
17
29
1
27
4
29
2
19
2
139
125

Highest AQI recorded in

January

65AQI

Lowest AQI recorded in

June

35AQI

202453AQI

1
30
7
22
2
29
6
24
12
19
27
2
31
25
6
13
17
2
29
16
14
4
27
146
219

Highest AQI recorded in

January

64AQI

Lowest AQI recorded in

July

35AQI

202356AQI

5
26
5
22
1
5
26
1
28
1
4
27
23
3
26
5
13
18
14
16
1
27
1
2
27
8
23
107
248
3

Highest AQI recorded in

April

68AQI

Lowest AQI recorded in

June

33AQI

202254AQI

8
21
12
9
9
21
1
9
21
21
10
28
2
21
1
28
31
5
25
6
25
119
194
1

Highest AQI recorded in

August

75AQI

Lowest AQI recorded in

June

38AQI

202150AQI

5
24
3
22
2
1
6
21
13
16
1
27
4
30
28
3
27
4
21
9
8
22
1
8
22
7
24
183
171
4
1

Highest AQI recorded in

February

74AQI

Lowest AQI recorded in

June

30AQI

202052AQI

1
28
2
31
22
9
7
23
31
30
9
22
98
117

Highest AQI recorded in

October

67AQI

Lowest AQI recorded in

May

34AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
56AQI
Least Polluted Year Recorded
2021(Avg.)
50AQI

Islandtaipower Guoyeh's annual 2025 AQI (51) shows an average percentage change of -3.9% (improved AQI) compared to previous years: 2020 (52), 2021 (50), 2022 (54), 2023 (56), 2024 (53).