Islandtaipower Chianshan, 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+
August Air Quality Analysis
Islandtaipower Chianshan, Magong, Penghu, Taiwan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Aug 2021
89AQILowest AQI recorded on
20th Aug 2024
23AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 45 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Islandtaipower Chianshan, Magong, Penghu, Taiwan
AQI
Day
Night
.
5 AM4th Aug 2025
6 PM
4 AM5th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
2AM5th Aug
54AQI
Avg. Lowest Time
6PM4th Aug
22AQI
In the last 24 hours,
Islandtaipower Chianshan's AQI reached its highest point of 54 at 2 AM during the Night, while the lowest point, 22, was recorded at 6 PM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Islandtaipower Chianshan, Magong, Penghu, Taiwan
JulAug
06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th
Day
Night
6th Jul 2025405 AMAQI
6th Jul 2025416 AMAQI
6th Jul 2025407 AMAQI
6th Jul 2025328 AMAQI
6th Jul 2025249 AMAQI
6th Jul 20252410 AMAQI
6th Jul 20252211 AMAQI
6th Jul 20252912 PMAQI
6th Jul 2025251 PMAQI
6th Jul 2025212 PMAQI
6th Jul 2025233 PMAQI
6th Jul 2025234 PMAQI
6th Jul 2025255 PMAQI
6th Jul 2025326 PMAQI
6th Jul 2025367 PMAQI
6th Jul 2025368 PMAQI
6th Jul 2025359 PMAQI
6th Jul 20253410 PMAQI
6th Jul 20253711 PMAQI
7th Jul 20253612 AMAQI
7th Jul 2025421 AMAQI
7th Jul 2025402 AMAQI
7th Jul 2025383 AMAQI
7th Jul 2025364 AMAQI
27°C25/29°C
7th Jul 2025365 AMAQI
7th Jul 2025376 AMAQI
7th Jul 2025387 AMAQI
7th Jul 2025248 AMAQI
7th Jul 2025209 AMAQI
7th Jul 20252210 AMAQI
7th Jul 20252611 AMAQI
7th Jul 20253412 PMAQI
7th Jul 2025361 PMAQI
7th Jul 2025442 PMAQI
7th Jul 2025493 PMAQI
7th Jul 2025464 PMAQI
7th Jul 2025525 PMAQI
7th Jul 2025526 PMAQI
7th Jul 2025567 PMAQI
7th Jul 2025488 PMAQI
7th Jul 2025429 PMAQI
7th Jul 20254210 PMAQI
7th Jul 20254811 PMAQI
8th Jul 20255012 AMAQI
8th Jul 2025391 AMAQI
8th Jul 2025382 AMAQI
8th Jul 2025373 AMAQI
8th Jul 2025384 AMAQI
28°C26/29°C
8th Jul 2025385 AMAQI
8th Jul 2025396 AMAQI
8th Jul 2025387 AMAQI
8th Jul 2025388 AMAQI
8th Jul 2025399 AMAQI
8th Jul 20254810 AMAQI
8th Jul 20255211 AMAQI
8th Jul 20255212 PMAQI
8th Jul 2025481 PMAQI
8th Jul 2025502 PMAQI
8th Jul 2025443 PMAQI
8th Jul 2025424 PMAQI
8th Jul 2025445 PMAQI
8th Jul 2025566 PMAQI
8th Jul 2025497 PMAQI
8th Jul 2025488 PMAQI
8th Jul 2025409 PMAQI
8th Jul 20253810 PMAQI
8th Jul 20253811 PMAQI
9th Jul 20253612 AMAQI
9th Jul 2025421 AMAQI
9th Jul 2025422 AMAQI
9th Jul 2025423 AMAQI
9th Jul 2025434 AMAQI
29°C28/29°C
9th Jul 2025425 AMAQI
9th Jul 2025426 AMAQI
9th Jul 2025437 AMAQI
9th Jul 2025468 AMAQI
9th Jul 2025489 AMAQI
9th Jul 20254610 AMAQI
9th Jul 20254511 AMAQI
9th Jul 20254912 PMAQI
9th Jul 2025491 PMAQI
9th Jul 2025502 PMAQI
9th Jul 2025593 PMAQI
9th Jul 2025544 PMAQI
9th Jul 2025575 PMAQI
9th Jul 2025746 PMAQI
9th Jul 2025507 PMAQI
9th Jul 2025528 PMAQI
9th Jul 2025529 PMAQI
9th Jul 20255010 PMAQI
9th Jul 20254611 PMAQI
10th Jul 20254212 AMAQI
10th Jul 2025421 AMAQI
10th Jul 2025432 AMAQI
10th Jul 2025443 AMAQI
10th Jul 2025464 AMAQI
28°C28/29°C
10th Jul 2025465 AMAQI
10th Jul 2025446 AMAQI
10th Jul 2025447 AMAQI
10th Jul 2025268 AMAQI
10th Jul 2025259 AMAQI
10th Jul 20253010 AMAQI
10th Jul 20253611 AMAQI
10th Jul 20253612 PMAQI
10th Jul 2025301 PMAQI
10th Jul 2025302 PMAQI
10th Jul 2025243 PMAQI
10th Jul 2025224 PMAQI
10th Jul 2025405 PMAQI
10th Jul 2025306 PMAQI
10th Jul 2025347 PMAQI
10th Jul 2025388 PMAQI
10th Jul 2025359 PMAQI
10th Jul 20253810 PMAQI
10th Jul 20253211 PMAQI
11th Jul 20253512 AMAQI
11th Jul 2025481 AMAQI
11th Jul 2025472 AMAQI
11th Jul 2025453 AMAQI
11th Jul 2025424 AMAQI
26°C26/26°C
11th Jul 2025425 AMAQI
11th Jul 2025426 AMAQI
11th Jul 2025427 AMAQI
11th Jul 2025318 AMAQI
11th Jul 2025269 AMAQI
11th Jul 20253410 AMAQI
11th Jul 20255411 AMAQI
11th Jul 20254512 PMAQI
11th Jul 2025411 PMAQI
11th Jul 2025502 PMAQI
11th Jul 2025403 PMAQI
11th Jul 2025464 PMAQI
11th Jul 2025485 PMAQI
11th Jul 2025486 PMAQI
11th Jul 2025557 PMAQI
11th Jul 2025488 PMAQI
11th Jul 2025529 PMAQI
11th Jul 20254610 PMAQI
11th Jul 20255011 PMAQI
12th Jul 20254812 AMAQI
12th Jul 2025461 AMAQI
12th Jul 2025462 AMAQI
12th Jul 2025463 AMAQI
12th Jul 2025444 AMAQI
28°C26/28°C
12th Jul 2025445 AMAQI
12th Jul 2025446 AMAQI
12th Jul 2025447 AMAQI
12th Jul 2025528 AMAQI
12th Jul 2025529 AMAQI
12th Jul 20256110 AMAQI
12th Jul 20256111 AMAQI
12th Jul 20255412 PMAQI
12th Jul 2025511 PMAQI
12th Jul 2025532 PMAQI
12th Jul 2025543 PMAQI
12th Jul 2025624 PMAQI
12th Jul 2025565 PMAQI
12th Jul 2025526 PMAQI
12th Jul 2025517 PMAQI
12th Jul 2025538 PMAQI
12th Jul 2025529 PMAQI
12th Jul 20255010 PMAQI
12th Jul 20254511 PMAQI
13th Jul 20254412 AMAQI
13th Jul 2025461 AMAQI
13th Jul 2025482 AMAQI
13th Jul 2025493 AMAQI
13th Jul 2025514 AMAQI
28°C28/29°C
13th Jul 2025525 AMAQI
13th Jul 2025506 AMAQI
13th Jul 2025497 AMAQI
13th Jul 2025418 AMAQI
13th Jul 2025439 AMAQI
13th Jul 20256110 AMAQI
13th Jul 20255211 AMAQI
13th Jul 20255412 PMAQI
13th Jul 2025551 PMAQI
13th Jul 2025582 PMAQI
13th Jul 2025643 PMAQI
13th Jul 2025494 PMAQI
13th Jul 2025525 PMAQI
13th Jul 2025546 PMAQI
13th Jul 2025537 PMAQI
13th Jul 2025538 PMAQI
13th Jul 2025529 PMAQI
13th Jul 20255210 PMAQI
13th Jul 20255211 PMAQI
14th Jul 20255212 AMAQI
14th Jul 2025531 AMAQI
14th Jul 2025512 AMAQI
14th Jul 2025513 AMAQI
14th Jul 2025524 AMAQI
28°C28/29°C
14th Jul 2025525 AMAQI
14th Jul 2025526 AMAQI
14th Jul 2025527 AMAQI
14th Jul 2025468 AMAQI
14th Jul 2025539 AMAQI
14th Jul 20255710 AMAQI
14th Jul 20255411 AMAQI
14th Jul 20255412 PMAQI
14th Jul 2025541 PMAQI
14th Jul 2025542 PMAQI
14th Jul 2025533 PMAQI
14th Jul 2025534 PMAQI
14th Jul 2025525 PMAQI
14th Jul 2025546 PMAQI
14th Jul 2025527 PMAQI
14th Jul 2025528 PMAQI
14th Jul 2025519 PMAQI
14th Jul 20255110 PMAQI
14th Jul 20255211 PMAQI
15th Jul 20255112 AMAQI
15th Jul 2025541 AMAQI
15th Jul 2025522 AMAQI
15th Jul 2025523 AMAQI
15th Jul 2025524 AMAQI
28°C28/28°C
15th Jul 2025525 AMAQI
15th Jul 2025526 AMAQI
15th Jul 2025527 AMAQI
15th Jul 2025388 AMAQI
15th Jul 2025469 AMAQI
15th Jul 20255210 AMAQI
15th Jul 20255811 AMAQI
15th Jul 20253312 PMAQI
15th Jul 2025401 PMAQI
15th Jul 2025462 PMAQI
15th Jul 2025423 PMAQI
15th Jul 2025324 PMAQI
15th Jul 2025405 PMAQI
15th Jul 2025556 PMAQI
15th Jul 2025547 PMAQI
15th Jul 2025518 PMAQI
15th Jul 2025519 PMAQI
15th Jul 20255110 PMAQI
15th Jul 20254811 PMAQI
16th Jul 20255012 AMAQI
16th Jul 2025521 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025523 AMAQI
16th Jul 2025524 AMAQI
28°C27/28°C
16th Jul 2025525 AMAQI
16th Jul 2025526 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025458 AMAQI
16th Jul 2025559 AMAQI
16th Jul 20255610 AMAQI
16th Jul 20255011 AMAQI
16th Jul 20255012 PMAQI
16th Jul 2025611 PMAQI
16th Jul 2025472 PMAQI
16th Jul 2025423 PMAQI
16th Jul 2025524 PMAQI
16th Jul 2025485 PMAQI
16th Jul 2025546 PMAQI
16th Jul 2025647 PMAQI
16th Jul 2025518 PMAQI
16th Jul 2025449 PMAQI
16th Jul 20254310 PMAQI
16th Jul 20255111 PMAQI
17th Jul 20254912 AMAQI
17th Jul 2025511 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025523 AMAQI
17th Jul 2025524 AMAQI
28°C28/28°C
17th Jul 2025525 AMAQI
17th Jul 2025526 AMAQI
17th Jul 2025527 AMAQI
17th Jul 2025558 AMAQI
17th Jul 2025619 AMAQI
17th Jul 20255610 AMAQI
17th Jul 20255311 AMAQI
17th Jul 20255312 PMAQI
17th Jul 2025541 PMAQI
17th Jul 2025552 PMAQI
17th Jul 2025563 PMAQI
17th Jul 2025524 PMAQI
17th Jul 2025455 PMAQI
17th Jul 2025506 PMAQI
17th Jul 2025527 PMAQI
17th Jul 2025528 PMAQI
17th Jul 2025509 PMAQI
17th Jul 20254710 PMAQI
17th Jul 20254811 PMAQI
18th Jul 20255012 AMAQI
18th Jul 2025521 AMAQI
18th Jul 2025522 AMAQI
18th Jul 2025523 AMAQI
18th Jul 2025534 AMAQI
28°C28/29°C
18th Jul 2025535 AMAQI
18th Jul 2025536 AMAQI
18th Jul 2025537 AMAQI
18th Jul 2025528 AMAQI
18th Jul 2025349 AMAQI
18th Jul 20253210 AMAQI
18th Jul 20253411 AMAQI
18th Jul 20253712 PMAQI
18th Jul 2025491 PMAQI
18th Jul 2025462 PMAQI
18th Jul 2025483 PMAQI
18th Jul 2025534 PMAQI
18th Jul 2025575 PMAQI
18th Jul 2025546 PMAQI
18th Jul 2025567 PMAQI
18th Jul 2025438 PMAQI
18th Jul 2025449 PMAQI
18th Jul 20254410 PMAQI
18th Jul 20254411 PMAQI
19th Jul 20254312 AMAQI
19th Jul 2025461 AMAQI
19th Jul 2025522 AMAQI
19th Jul 2025523 AMAQI
19th Jul 2025524 AMAQI
28°C28/28°C
19th Jul 2025525 AMAQI
19th Jul 2025526 AMAQI
19th Jul 2025527 AMAQI
19th Jul 2025538 AMAQI
19th Jul 2025619 AMAQI
19th Jul 20255910 AMAQI
19th Jul 20256011 AMAQI
19th Jul 20255512 PMAQI
19th Jul 2025621 PMAQI
19th Jul 2025612 PMAQI
19th Jul 2025553 PMAQI
19th Jul 2025484 PMAQI
19th Jul 2025435 PMAQI
19th Jul 2025406 PMAQI
19th Jul 2025437 PMAQI
19th Jul 2025468 PMAQI
19th Jul 2025499 PMAQI
19th Jul 20254810 PMAQI
19th Jul 20254811 PMAQI
20th Jul 20254612 AMAQI
20th Jul 2025511 AMAQI
20th Jul 2025522 AMAQI
20th Jul 2025523 AMAQI
20th Jul 2025534 AMAQI
28°C27/29°C
20th Jul 2025535 AMAQI
20th Jul 2025536 AMAQI
20th Jul 2025537 AMAQI
20th Jul 2025418 AMAQI
20th Jul 2025539 AMAQI
20th Jul 20254810 AMAQI
20th Jul 20254811 AMAQI
20th Jul 20255012 PMAQI
20th Jul 2025481 PMAQI
20th Jul 2025242 PMAQI
20th Jul 2025243 PMAQI
20th Jul 2025294 PMAQI
20th Jul 2025395 PMAQI
20th Jul 2025346 PMAQI
20th Jul 2025387 PMAQI
20th Jul 2025408 PMAQI
20th Jul 2025419 PMAQI
20th Jul 20254410 PMAQI
20th Jul 20254811 PMAQI
21st Jul 20254412 AMAQI
21st Jul 2025511 AMAQI
21st Jul 2025532 AMAQI
21st Jul 2025523 AMAQI
21st Jul 2025524 AMAQI
28°C27/28°C
21st Jul 2025525 AMAQI
21st Jul 2025526 AMAQI
21st Jul 2025527 AMAQI
21st Jul 2025368 AMAQI
21st Jul 2025309 AMAQI
21st Jul 20252710 AMAQI
21st Jul 20253011 AMAQI
21st Jul 20254012 PMAQI
21st Jul 2025311 PMAQI
21st Jul 2025332 PMAQI
21st Jul 2025343 PMAQI
21st Jul 2025494 PMAQI
21st Jul 2025405 PMAQI
21st Jul 2025446 PMAQI
21st Jul 2025327 PMAQI
21st Jul 2025438 PMAQI
21st Jul 2025449 PMAQI
21st Jul 20254610 PMAQI
21st Jul 20254711 PMAQI
22nd Jul 20254212 AMAQI
22nd Jul 2025521 AMAQI
22nd Jul 2025522 AMAQI
22nd Jul 2025503 AMAQI
22nd Jul 2025474 AMAQI
27°C26/27°C
22nd Jul 2025465 AMAQI
22nd Jul 2025466 AMAQI
22nd Jul 2025467 AMAQI
22nd Jul 2025308 AMAQI
22nd Jul 2025229 AMAQI
22nd Jul 20252210 AMAQI
22nd Jul 20252411 AMAQI
22nd Jul 20252512 PMAQI
22nd Jul 2025321 PMAQI
22nd Jul 2025362 PMAQI
22nd Jul 2025373 PMAQI
22nd Jul 2025354 PMAQI
22nd Jul 2025485 PMAQI
22nd Jul 2025546 PMAQI
22nd Jul 2025497 PMAQI
22nd Jul 2025438 PMAQI
22nd Jul 2025469 PMAQI
22nd Jul 20255010 PMAQI
22nd Jul 20254911 PMAQI
23rd Jul 20254812 AMAQI
23rd Jul 2025491 AMAQI
23rd Jul 2025482 AMAQI
23rd Jul 2025463 AMAQI
23rd Jul 2025444 AMAQI
28°C27/28°C
23rd Jul 2025445 AMAQI
23rd Jul 2025446 AMAQI
23rd Jul 2025437 AMAQI
23rd Jul 2025388 AMAQI
23rd Jul 2025459 AMAQI
23rd Jul 20255110 AMAQI
23rd Jul 20255011 AMAQI
23rd Jul 20254812 PMAQI
23rd Jul 2025601 PMAQI
23rd Jul 2025562 PMAQI
23rd Jul 2025503 PMAQI
23rd Jul 2025424 PMAQI
23rd Jul 2025325 PMAQI
23rd Jul 2025416 PMAQI
23rd Jul 2025457 PMAQI
23rd Jul 2025438 PMAQI
23rd Jul 2025449 PMAQI
23rd Jul 20254210 PMAQI
23rd Jul 20254111 PMAQI
24th Jul 20254312 AMAQI
24th Jul 2025461 AMAQI
24th Jul 2025462 AMAQI
24th Jul 2025473 AMAQI
24th Jul 2025484 AMAQI
28°C28/28°C
24th Jul 2025485 AMAQI
24th Jul 2025476 AMAQI
24th Jul 2025477 AMAQI
24th Jul 2025328 AMAQI
24th Jul 2025369 AMAQI
24th Jul 20254710 AMAQI
24th Jul 20255011 AMAQI
24th Jul 20255312 PMAQI
24th Jul 2025411 PMAQI
24th Jul 2025432 PMAQI
24th Jul 2025523 PMAQI
24th Jul 2025374 PMAQI
24th Jul 2025425 PMAQI
24th Jul 2025336 PMAQI
24th Jul 2025337 PMAQI
24th Jul 2025448 PMAQI
24th Jul 2025429 PMAQI
24th Jul 20253910 PMAQI
24th Jul 20254011 PMAQI
25th Jul 20254012 AMAQI
25th Jul 2025461 AMAQI
25th Jul 2025472 AMAQI
25th Jul 2025473 AMAQI
25th Jul 2025484 AMAQI
28°C28/28°C
25th Jul 2025475 AMAQI
25th Jul 2025466 AMAQI
25th Jul 2025467 AMAQI
25th Jul 2025308 AMAQI
25th Jul 2025229 AMAQI
25th Jul 20253010 AMAQI
25th Jul 20252611 AMAQI
25th Jul 20253512 PMAQI
25th Jul 2025291 PMAQI
25th Jul 2025272 PMAQI
25th Jul 2025333 PMAQI
25th Jul 2025424 PMAQI
25th Jul 2025395 PMAQI
25th Jul 2025336 PMAQI
25th Jul 2025307 PMAQI
25th Jul 2025398 PMAQI
25th Jul 2025389 PMAQI
25th Jul 20253810 PMAQI
25th Jul 20253711 PMAQI
26th Jul 20254112 AMAQI
26th Jul 2025461 AMAQI
26th Jul 2025462 AMAQI
26th Jul 2025463 AMAQI
26th Jul 2025434 AMAQI
28°C28/29°C
26th Jul 2025425 AMAQI
26th Jul 2025446 AMAQI
26th Jul 2025427 AMAQI
26th Jul 2025388 AMAQI
26th Jul 2025309 AMAQI
26th Jul 20253410 AMAQI
26th Jul 20253611 AMAQI
26th Jul 20255112 PMAQI
26th Jul 2025481 PMAQI
26th Jul 2025562 PMAQI
26th Jul 2025513 PMAQI
26th Jul 2025524 PMAQI
26th Jul 2025565 PMAQI
26th Jul 2025546 PMAQI
26th Jul 2025547 PMAQI
26th Jul 2025528 PMAQI
26th Jul 2025459 PMAQI
26th Jul 20254310 PMAQI
26th Jul 20255011 PMAQI
27th Jul 20254012 AMAQI
27th Jul 2025441 AMAQI
27th Jul 2025442 AMAQI
27th Jul 2025463 AMAQI
27th Jul 2025444 AMAQI
29°C28/29°C
27th Jul 2025445 AMAQI
27th Jul 2025446 AMAQI
27th Jul 2025447 AMAQI
27th Jul 2025428 AMAQI
27th Jul 2025529 AMAQI
27th Jul 20254210 AMAQI
27th Jul 20254411 AMAQI
27th Jul 20253712 PMAQI
27th Jul 2025411 PMAQI
27th Jul 2025462 PMAQI
27th Jul 2025423 PMAQI
27th Jul 2025384 PMAQI
27th Jul 2025425 PMAQI
27th Jul 2025456 PMAQI
27th Jul 2025417 PMAQI
27th Jul 2025428 PMAQI
27th Jul 2025389 PMAQI
27th Jul 20253510 PMAQI
27th Jul 20253911 PMAQI
28th Jul 20253612 AMAQI
28th Jul 2025441 AMAQI
28th Jul 2025452 AMAQI
28th Jul 2025443 AMAQI
28th Jul 2025444 AMAQI
28°C28/29°C
28th Jul 2025455 AMAQI
28th Jul 2025446 AMAQI
28th Jul 2025447 AMAQI
28th Jul 2025388 AMAQI
28th Jul 2025389 AMAQI
28th Jul 20253210 AMAQI
28th Jul 20253211 AMAQI
28th Jul 20253112 PMAQI
28th Jul 2025261 PMAQI
28th Jul 2025212 PMAQI
28th Jul 2025223 PMAQI
28th Jul 2025214 PMAQI
28th Jul 2025265 PMAQI
28th Jul 2025266 PMAQI
28th Jul 2025477 PMAQI
28th Jul 2025468 PMAQI
28th Jul 2025389 PMAQI
28th Jul 20253710 PMAQI
28th Jul 20254311 PMAQI
29th Jul 20254212 AMAQI
29th Jul 2025431 AMAQI
29th Jul 2025442 AMAQI
29th Jul 2025443 AMAQI
29th Jul 2025414 AMAQI
28°C27/29°C
29th Jul 2025425 AMAQI
29th Jul 2025416 AMAQI
29th Jul 2025417 AMAQI
29th Jul 2025318 AMAQI
29th Jul 2025329 AMAQI
29th Jul 20253410 AMAQI
29th Jul 20252711 AMAQI
29th Jul 20253212 PMAQI
29th Jul 2025341 PMAQI
29th Jul 2025382 PMAQI
29th Jul 2025373 PMAQI
29th Jul 2025404 PMAQI
29th Jul 2025505 PMAQI
29th Jul 2025546 PMAQI
29th Jul 2025527 PMAQI
29th Jul 2025398 PMAQI
29th Jul 2025469 PMAQI
29th Jul 20254610 PMAQI
29th Jul 20254411 PMAQI
30th Jul 20253812 AMAQI
30th Jul 2025411 AMAQI
30th Jul 2025422 AMAQI
30th Jul 2025423 AMAQI
30th Jul 2025424 AMAQI
28°C27/29°C
30th Jul 2025415 AMAQI
30th Jul 2025426 AMAQI
30th Jul 2025417 AMAQI
30th Jul 2025338 AMAQI
30th Jul 2025359 AMAQI
30th Jul 20254810 AMAQI
30th Jul 20256111 AMAQI
30th Jul 20255512 PMAQI
30th Jul 2025541 PMAQI
30th Jul 2025542 PMAQI
30th Jul 2025523 PMAQI
30th Jul 2025514 PMAQI
30th Jul 2025465 PMAQI
30th Jul 2025546 PMAQI
30th Jul 2025537 PMAQI
30th Jul 2025488 PMAQI
30th Jul 2025509 PMAQI
30th Jul 20254810 PMAQI
30th Jul 20255511 PMAQI
31st Jul 20254812 AMAQI
31st Jul 2025441 AMAQI
31st Jul 2025422 AMAQI
31st Jul 2025413 AMAQI
31st Jul 2025414 AMAQI
28°C28/29°C
31st Jul 2025415 AMAQI
31st Jul 2025416 AMAQI
31st Jul 2025417 AMAQI
31st Jul 2025418 AMAQI
31st Jul 2025419 AMAQI
31st Jul 20255110 AMAQI
31st Jul 20255611 AMAQI
31st Jul 20255812 PMAQI
31st Jul 2025531 PMAQI
31st Jul 2025392 PMAQI
31st Jul 2025523 PMAQI
31st Jul 2025474 PMAQI
31st Jul 2025525 PMAQI
31st Jul 2025526 PMAQI
31st Jul 2025497 PMAQI
31st Jul 2025468 PMAQI
31st Jul 2025459 PMAQI
31st Jul 20254910 PMAQI
31st Jul 20255211 PMAQI
1st Aug 20254712 AMAQI
1st Aug 2025481 AMAQI
1st Aug 2025482 AMAQI
1st Aug 2025443 AMAQI
1st Aug 2025424 AMAQI
28°C28/29°C
1st Aug 2025435 AMAQI
1st Aug 2025466 AMAQI
1st Aug 2025477 AMAQI
1st Aug 2025468 AMAQI
1st Aug 2025519 AMAQI
1st Aug 20255510 AMAQI
1st Aug 20255211 AMAQI
1st Aug 20255312 PMAQI
1st Aug 2025421 PMAQI
1st Aug 2025512 PMAQI
1st Aug 2025453 PMAQI
1st Aug 2025444 PMAQI
1st Aug 2025435 PMAQI
1st Aug 2025256 PMAQI
1st Aug 2025407 PMAQI
1st Aug 2025398 PMAQI
1st Aug 2025409 PMAQI
1st Aug 20254510 PMAQI
1st Aug 20254811 PMAQI
2nd Aug 20254612 AMAQI
2nd Aug 2025491 AMAQI
2nd Aug 2025462 AMAQI
2nd Aug 2025503 AMAQI
2nd Aug 2025514 AMAQI
28°C28/28°C
2nd Aug 2025515 AMAQI
2nd Aug 2025506 AMAQI
2nd Aug 2025527 AMAQI
2nd Aug 2025508 AMAQI
2nd Aug 2025509 AMAQI
2nd Aug 20254110 AMAQI
2nd Aug 20254311 AMAQI
2nd Aug 20254512 PMAQI
2nd Aug 2025431 PMAQI
2nd Aug 2025432 PMAQI
2nd Aug 2025523 PMAQI
2nd Aug 2025454 PMAQI
2nd Aug 2025445 PMAQI
2nd Aug 2025556 PMAQI
2nd Aug 2025487 PMAQI
2nd Aug 2025428 PMAQI
2nd Aug 2025399 PMAQI
2nd Aug 20254410 PMAQI
2nd Aug 20255211 PMAQI
3rd Aug 20255212 AMAQI
3rd Aug 2025501 AMAQI
3rd Aug 2025502 AMAQI
3rd Aug 2025523 AMAQI
3rd Aug 2025524 AMAQI
28°C28/28°C
3rd Aug 2025525 AMAQI
3rd Aug 2025526 AMAQI
3rd Aug 2025537 AMAQI
3rd Aug 2025448 AMAQI
3rd Aug 2025459 AMAQI
3rd Aug 20254710 AMAQI
3rd Aug 20254611 AMAQI
3rd Aug 20254612 PMAQI
3rd Aug 2025471 PMAQI
3rd Aug 2025392 PMAQI
3rd Aug 2025343 PMAQI
3rd Aug 2025344 PMAQI
3rd Aug 2025355 PMAQI
3rd Aug 2025286 PMAQI
3rd Aug 2025447 PMAQI
3rd Aug 2025488 PMAQI
3rd Aug 2025389 PMAQI
3rd Aug 20253810 PMAQI
3rd Aug 20254511 PMAQI
4th Aug 20254812 AMAQI
4th Aug 2025531 AMAQI
4th Aug 2025522 AMAQI
4th Aug 2025523 AMAQI
4th Aug 2025514 AMAQI
27°C26/28°C
4th Aug 2025525 AMAQI
4th Aug 2025526 AMAQI
4th Aug 2025527 AMAQI
4th Aug 2025258 AMAQI
4th Aug 2025249 AMAQI
4th Aug 20252410 AMAQI
4th Aug 20253211 AMAQI
4th Aug 20252612 PMAQI
4th Aug 2025241 PMAQI
4th Aug 2025272 PMAQI
4th Aug 2025263 PMAQI
4th Aug 2025244 PMAQI
4th Aug 2025345 PMAQI
4th Aug 2025226 PMAQI
4th Aug 2025317 PMAQI
4th Aug 2025388 PMAQI
4th Aug 2025389 PMAQI
4th Aug 20253910 PMAQI
4th Aug 20253711 PMAQI
5th Aug 20254312 AMAQI
5th Aug 2025521 AMAQI
5th Aug 2025542 AMAQI
5th Aug 2025503 AMAQI
5th Aug 2025474 AMAQI
--°C/°C
5th Aug 2025465 AMAQI
5 AM11 AM
6 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 7 AM
47AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
8 AM - 6 PM
43AQI
11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 AM (Avg. 47), while the lowest AQI was between 8 AM to 6 PM (Avg. 43).
Night time
Avg. Highest Time
1 AM - 11 PM
46AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM
44AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 11 PM (Avg. 46), while the lowest AQI was between 12 AM to 12 AM (Avg. 44).
2025 Days Vs Air Quality
Islandtaipower Chianshan, Magong, Penghu, Taiwan
2025
44%
95
56%
121
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Good
95 DaysModerate
121 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 44%
Health Risk Level:
Significant
In 2025, 44% of 216 days were within WHO’s safe air quality limits, and 56% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Islandtaipower Chianshan, 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.
1st January 2025
69AQI
69AQI
2nd January 2025
56AQI
56AQI
3rd January 2025
64AQI
64AQI
4th January 2025
57AQI
57AQI
5th January 2025
52AQI
52AQI
6th January 2025
72AQI
72AQI
7th January 2025
62AQI
62AQI
8th January 2025
58AQI
58AQI
9th January 2025
66AQI
66AQI
10th January 2025
56AQI
56AQI
11th January 2025
56AQI
56AQI
12th January 2025
53AQI
53AQI
13th January 2025
57AQI
57AQI
14th January 2025
67AQI
67AQI
15th January 2025
79AQI
79AQI
16th January 2025
59AQI
59AQI
17th January 2025
61AQI
61AQI
18th January 2025
63AQI
63AQI
19th January 2025
56AQI
56AQI
20th January 2025
67AQI
67AQI
21st January 2025
91AQI
91AQI
22nd January 2025
73AQI
73AQI
23rd January 2025
64AQI
64AQI
24th January 2025
62AQI
62AQI
25th January 2025
68AQI
68AQI
26th January 2025
60AQI
60AQI
27th January 2025
53AQI
53AQI
28th January 2025
54AQI
54AQI
29th January 2025
52AQI
52AQI
30th January 2025
61AQI
61AQI
31st January 2025
57AQI
57AQI
1st February 2025
54AQI
54AQI
2nd February 2025
44AQI
44AQI
3rd February 2025
47AQI
47AQI
4th February 2025
74AQI
74AQI
5th February 2025
56AQI
56AQI
6th February 2025
57AQI
57AQI
7th February 2025
50AQI
50AQI
8th February 2025
59AQI
59AQI
9th February 2025
52AQI
52AQI
10th February 2025
53AQI
53AQI
11th February 2025
52AQI
52AQI
12th February 2025
48AQI
48AQI
13th February 2025
61AQI
61AQI
14th February 2025
58AQI
58AQI
15th February 2025
64AQI
64AQI
16th February 2025
55AQI
55AQI
17th February 2025
94AQI
94AQI
18th February 2025
56AQI
56AQI
19th February 2025
67AQI
67AQI
20th February 2025
55AQI
55AQI
21st February 2025
48AQI
48AQI
22nd February 2025
53AQI
53AQI
23rd February 2025
43AQI
43AQI
24th February 2025
69AQI
69AQI
25th February 2025
75AQI
75AQI
26th February 2025
63AQI
63AQI
27th February 2025
81AQI
81AQI
28th February 2025
64AQI
64AQI
1st March 2025
63AQI
63AQI
2nd March 2025
63AQI
63AQI
3rd March 2025
49AQI
49AQI
4th March 2025
47AQI
47AQI
5th March 2025
38AQI
38AQI
6th March 2025
44AQI
44AQI
7th March 2025
58AQI
58AQI
8th March 2025
56AQI
56AQI
9th March 2025
60AQI
60AQI
10th March 2025
57AQI
57AQI
11th March 2025
63AQI
63AQI
12th March 2025
59AQI
59AQI
13th March 2025
47AQI
47AQI
14th March 2025
51AQI
51AQI
15th March 2025
44AQI
44AQI
16th March 2025
42AQI
42AQI
17th March 2025
66AQI
66AQI
18th March 2025
53AQI
53AQI
19th March 2025
67AQI
67AQI
20th March 2025
60AQI
60AQI
21st March 2025
61AQI
61AQI
22nd March 2025
57AQI
57AQI
23rd March 2025
57AQI
57AQI
24th March 2025
58AQI
58AQI
25th March 2025
54AQI
54AQI
26th March 2025
55AQI
55AQI
27th March 2025
50AQI
50AQI
28th March 2025
57AQI
57AQI
29th March 2025
42AQI
42AQI
30th March 2025
39AQI
39AQI
31st March 2025
32AQI
32AQI
1st April 2025
39AQI
39AQI
2nd April 2025
48AQI
48AQI
3rd April 2025
53AQI
53AQI
4th April 2025
62AQI
62AQI
5th April 2025
59AQI
59AQI
6th April 2025
61AQI
61AQI
7th April 2025
74AQI
74AQI
8th April 2025
68AQI
68AQI
9th April 2025
62AQI
62AQI
10th April 2025
60AQI
60AQI
11th April 2025
63AQI
63AQI
12th April 2025
51AQI
51AQI
13th April 2025
76AQI
76AQI
14th April 2025
74AQI
74AQI
15th April 2025
77AQI
77AQI
16th April 2025
71AQI
71AQI
17th April 2025
72AQI
72AQI
18th April 2025
60AQI
60AQI
19th April 2025
55AQI
55AQI
20th April 2025
56AQI
56AQI
21st April 2025
51AQI
51AQI
22nd April 2025
58AQI
58AQI
23rd April 2025
57AQI
57AQI
24th April 2025
53AQI
53AQI
25th April 2025
39AQI
39AQI
26th April 2025
40AQI
40AQI
27th April 2025
47AQI
47AQI
28th April 2025
53AQI
53AQI
29th April 2025
56AQI
56AQI
30th April 2025
54AQI
54AQI
1st May 2025
56AQI
56AQI
2nd May 2025
66AQI
66AQI
3rd May 2025
65AQI
65AQI
4th May 2025
67AQI
67AQI
5th May 2025
62AQI
62AQI
6th May 2025
65AQI
65AQI
7th May 2025
57AQI
57AQI
8th May 2025
55AQI
55AQI
9th May 2025
41AQI
41AQI
10th May 2025
42AQI
42AQI
11th May 2025
43AQI
43AQI
12th May 2025
59AQI
59AQI
13th May 2025
59AQI
59AQI
14th May 2025
59AQI
59AQI
15th May 2025
51AQI
51AQI
16th May 2025
44AQI
44AQI
17th May 2025
38AQI
38AQI
18th May 2025
35AQI
35AQI
19th May 2025
34AQI
34AQI
20th May 2025
34AQI
34AQI
21st May 2025
33AQI
33AQI
22nd May 2025
42AQI
42AQI
23rd May 2025
37AQI
37AQI
24th May 2025
41AQI
41AQI
25th May 2025
60AQI
60AQI
26th May 2025
57AQI
57AQI
27th May 2025
57AQI
57AQI
28th May 2025
50AQI
50AQI
29th May 2025
35AQI
35AQI
30th May 2025
53AQI
53AQI
31st May 2025
62AQI
62AQI
1st June 2025
59AQI
59AQI
2nd June 2025
46AQI
46AQI
3rd June 2025
39AQI
39AQI
4th June 2025
39AQI
39AQI
5th June 2025
35AQI
35AQI
6th June 2025
41AQI
41AQI
7th June 2025
33AQI
33AQI
8th June 2025
36AQI
36AQI
9th June 2025
38AQI
38AQI
10th June 2025
39AQI
39AQI
11th June 2025
44AQI
44AQI
12th June 2025
47AQI
47AQI
13th June 2025
30AQI
30AQI
14th June 2025
42AQI
42AQI
15th June 2025
44AQI
44AQI
16th June 2025
41AQI
41AQI
17th June 2025
36AQI
36AQI
18th June 2025
39AQI
39AQI
19th June 2025
38AQI
38AQI
20th June 2025
37AQI
37AQI
21st June 2025
30AQI
30AQI
22nd June 2025
22AQI
22AQI
23rd June 2025
27AQI
27AQI
24th June 2025
23AQI
23AQI
25th June 2025
26AQI
26AQI
26th June 2025
27AQI
27AQI
27th June 2025
24AQI
24AQI
28th June 2025
27AQI
27AQI
29th June 2025
25AQI
25AQI
30th June 2025
29AQI
29AQI
1st July 2025
36AQI
36AQI
2nd July 2025
39AQI
39AQI
3rd July 2025
44AQI
44AQI
4th July 2025
43AQI
43AQI
5th July 2025
38AQI
38AQI
6th July 2025
33AQI
33AQI
7th July 2025
40AQI
40AQI
8th July 2025
43AQI
43AQI
9th July 2025
48AQI
48AQI
10th July 2025
37AQI
37AQI
11th July 2025
45AQI
45AQI
12th July 2025
50AQI
50AQI
13th July 2025
52AQI
52AQI
14th July 2025
52AQI
52AQI
15th July 2025
49AQI
49AQI
16th July 2025
51AQI
51AQI
17th July 2025
52AQI
52AQI
18th July 2025
48AQI
48AQI
19th July 2025
51AQI
51AQI
20th July 2025
45AQI
45AQI
21st July 2025
43AQI
43AQI
22nd July 2025
43AQI
43AQI
23rd July 2025
45AQI
45AQI
24th July 2025
43AQI
43AQI
25th July 2025
38AQI
38AQI
26th July 2025
46AQI
46AQI
27th July 2025
42AQI
42AQI
28th July 2025
37AQI
37AQI
29th July 2025
42AQI
42AQI
30th July 2025
47AQI
47AQI
31st July 2025
47AQI
47AQI
1st August 2025
45AQI
45AQI
2nd August 2025
47AQI
47AQI
3rd August 2025
45AQI
45AQI
4th August 2025
45AQI
45AQI
62AQI
59AQI
53AQI
58AQI
50AQI
35AQI
44AQI
46AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202552AQI
31
6
22
11
20
5
25
14
17
29
1
26
5
4
95
121
Highest AQI recorded in
January62AQI
Lowest AQI recorded in
June35AQI
202446AQI
10
21
21
8
10
21
14
16
20
11
29
31
30
1
24
6
20
11
25
5
11
20
245
120
Highest AQI recorded in
March57AQI
Lowest AQI recorded in
July35AQI
202352AQI
10
21
9
19
9
22
4
26
8
23
15
10
27
4
28
3
16
14
7
22
12
17
18
13
163
194
Highest AQI recorded in
April62AQI
Lowest AQI recorded in
August38AQI
202245AQI
14
16
14
7
4
27
5
25
22
9
30
24
1
11
16
1
29
2
30
29
2
213
104
1
Highest AQI recorded in
April60AQI
Lowest AQI recorded in
July25AQI
202156AQI
3
25
1
3
24
1
1
26
2
27
1
22
9
19
11
24
6
1
17
14
14
16
11
20
11
19
17
13
144
210
4
Highest AQI recorded in
February74AQI
Lowest AQI recorded in
May43AQI
202054AQI
2
13
15
3
24
6
31
22
9
6
24
31
1
29
2
29
103
144
Highest AQI recorded in
October64AQI
Lowest AQI recorded in
July39AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
56AQILeast Polluted Year Recorded
2022(Avg.)
45AQIIslandtaipower Chianshan's annual 2025 AQI (52) shows an average percentage change of 2.8% (worsened AQI) compared to previous years: 2020 (54), 2021 (56), 2022 (45), 2023 (52), 2024 (46).
