Matsu, Nangan, Lienchiang, 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
Matsu, Nangan, Lienchiang, Taiwan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
27th Aug 2024
85AQILowest AQI recorded on
31st Aug 2021
23AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 53 of Moderate air quality, showing improvement over 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Matsu, Nangan, Lienchiang, Taiwan
AQI
Day
Night
.
5 AM2nd Aug 2025
6 PM
4 AM3rd Aug 2025
Day time
Avg. Highest Time
1PM2nd Aug
62AQI
Avg. Lowest Time
9AM2nd Aug
51AQI
Night time
Avg. Highest Time
4AM3rd Aug
54AQI
Avg. Lowest Time
11PM2nd Aug
48AQI
In the last 24 hours,
Matsu's AQI reached its highest point of 62 at 1 PM during the Day, while the lowest point, 48, was recorded at 11 PM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Matsu, Nangan, Lienchiang, Taiwan
JulAug
04th - 05th05th - 06th06th - 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
Day
Night
4th Jul 2025485 AMAQI
4th Jul 2025486 AMAQI
4th Jul 2025487 AMAQI
4th Jul 2025488 AMAQI
4th Jul 2025519 AMAQI
4th Jul 20255410 AMAQI
4th Jul 20255411 AMAQI
4th Jul 20255312 PMAQI
4th Jul 2025561 PMAQI
4th Jul 2025522 PMAQI
4th Jul 2025523 PMAQI
4th Jul 2025544 PMAQI
4th Jul 2025545 PMAQI
4th Jul 2025526 PMAQI
4th Jul 2025507 PMAQI
4th Jul 2025508 PMAQI
4th Jul 2025469 PMAQI
4th Jul 20254410 PMAQI
4th Jul 20254411 PMAQI
5th Jul 20254512 AMAQI
5th Jul 2025481 AMAQI
5th Jul 2025492 AMAQI
5th Jul 2025493 AMAQI
5th Jul 2025504 AMAQI
27°C27/28°C
5th Jul 2025495 AMAQI
5th Jul 2025506 AMAQI
5th Jul 2025507 AMAQI
5th Jul 2025448 AMAQI
5th Jul 2025509 AMAQI
5th Jul 20255610 AMAQI
5th Jul 20254711 AMAQI
5th Jul 20253812 PMAQI
5th Jul 2025401 PMAQI
5th Jul 2025402 PMAQI
5th Jul 2025423 PMAQI
5th Jul 2025464 PMAQI
5th Jul 2025585 PMAQI
5th Jul 2025666 PMAQI
5th Jul 2025487 PMAQI
5th Jul 2025488 PMAQI
5th Jul 2025489 PMAQI
5th Jul 20254410 PMAQI
5th Jul 20254811 PMAQI
6th Jul 20254212 AMAQI
6th Jul 2025481 AMAQI
6th Jul 2025482 AMAQI
6th Jul 2025483 AMAQI
6th Jul 2025484 AMAQI
27°C27/28°C
6th Jul 2025485 AMAQI
6th Jul 2025486 AMAQI
6th Jul 2025487 AMAQI
6th Jul 2025468 AMAQI
6th Jul 2025329 AMAQI
6th Jul 20253610 AMAQI
6th Jul 20254111 AMAQI
6th Jul 20254212 PMAQI
6th Jul 2025351 PMAQI
6th Jul 2025372 PMAQI
6th Jul 2025353 PMAQI
6th Jul 2025324 PMAQI
6th Jul 2025425 PMAQI
6th Jul 2025406 PMAQI
6th Jul 2025387 PMAQI
6th Jul 2025408 PMAQI
6th Jul 2025399 PMAQI
6th Jul 20253910 PMAQI
6th Jul 20253911 PMAQI
7th Jul 20254312 AMAQI
7th Jul 2025491 AMAQI
7th Jul 2025502 AMAQI
7th Jul 2025493 AMAQI
7th Jul 2025464 AMAQI
27°C27/28°C
7th Jul 2025465 AMAQI
7th Jul 2025476 AMAQI
7th Jul 2025447 AMAQI
7th Jul 2025328 AMAQI
7th Jul 2025249 AMAQI
7th Jul 20252410 AMAQI
7th Jul 20253111 AMAQI
7th Jul 20252812 PMAQI
7th Jul 2025281 PMAQI
7th Jul 2025292 PMAQI
7th Jul 2025273 PMAQI
7th Jul 2025244 PMAQI
7th Jul 2025285 PMAQI
7th Jul 2025416 PMAQI
7th Jul 2025487 PMAQI
7th Jul 2025508 PMAQI
7th Jul 2025499 PMAQI
7th Jul 20254710 PMAQI
7th Jul 20255011 PMAQI
8th Jul 20255212 AMAQI
8th Jul 2025481 AMAQI
8th Jul 2025482 AMAQI
8th Jul 2025443 AMAQI
8th Jul 2025424 AMAQI
27°C27/28°C
8th Jul 2025425 AMAQI
8th Jul 2025426 AMAQI
8th Jul 2025427 AMAQI
8th Jul 2025578 AMAQI
8th Jul 2025629 AMAQI
8th Jul 20256810 AMAQI
8th Jul 20257411 AMAQI
8th Jul 20257312 PMAQI
8th Jul 2025781 PMAQI
8th Jul 2025782 PMAQI
8th Jul 2025743 PMAQI
8th Jul 2025694 PMAQI
8th Jul 2025575 PMAQI
8th Jul 2025526 PMAQI
8th Jul 2025487 PMAQI
8th Jul 2025508 PMAQI
8th Jul 2025429 PMAQI
8th Jul 20254110 PMAQI
8th Jul 20254411 PMAQI
9th Jul 20254612 AMAQI
9th Jul 2025461 AMAQI
9th Jul 2025462 AMAQI
9th Jul 2025503 AMAQI
9th Jul 2025524 AMAQI
28°C27/29°C
9th Jul 2025525 AMAQI
9th Jul 2025526 AMAQI
9th Jul 2025527 AMAQI
9th Jul 2025508 AMAQI
9th Jul 2025529 AMAQI
9th Jul 20255110 AMAQI
9th Jul 20255511 AMAQI
9th Jul 20254612 PMAQI
9th Jul 2025461 PMAQI
9th Jul 2025502 PMAQI
9th Jul 2025513 PMAQI
9th Jul 2025504 PMAQI
9th Jul 2025465 PMAQI
9th Jul 2025516 PMAQI
9th Jul 2025427 PMAQI
9th Jul 2025458 PMAQI
9th Jul 2025429 PMAQI
9th Jul 20254510 PMAQI
9th Jul 20254511 PMAQI
10th Jul 20254612 AMAQI
10th Jul 2025481 AMAQI
10th Jul 2025502 AMAQI
10th Jul 2025503 AMAQI
10th Jul 2025494 AMAQI
26°C25/28°C
10th Jul 2025495 AMAQI
10th Jul 2025506 AMAQI
10th Jul 2025497 AMAQI
10th Jul 2025348 AMAQI
10th Jul 2025309 AMAQI
10th Jul 20253610 AMAQI
10th Jul 20253811 AMAQI
10th Jul 20254012 PMAQI
10th Jul 2025471 PMAQI
10th Jul 2025452 PMAQI
10th Jul 2025403 PMAQI
10th Jul 2025434 PMAQI
10th Jul 2025445 PMAQI
10th Jul 2025416 PMAQI
10th Jul 2025457 PMAQI
10th Jul 2025508 PMAQI
10th Jul 2025509 PMAQI
10th Jul 20254710 PMAQI
10th Jul 20254211 PMAQI
11th Jul 20254512 AMAQI
11th Jul 2025491 AMAQI
11th Jul 2025482 AMAQI
11th Jul 2025463 AMAQI
11th Jul 2025484 AMAQI
27°C26/28°C
11th Jul 2025465 AMAQI
11th Jul 2025486 AMAQI
11th Jul 2025487 AMAQI
11th Jul 2025358 AMAQI
11th Jul 2025349 AMAQI
11th Jul 20253410 AMAQI
11th Jul 20253111 AMAQI
11th Jul 20253012 PMAQI
11th Jul 2025301 PMAQI
11th Jul 2025312 PMAQI
11th Jul 2025283 PMAQI
11th Jul 2025304 PMAQI
11th Jul 2025355 PMAQI
11th Jul 2025376 PMAQI
11th Jul 2025357 PMAQI
11th Jul 2025398 PMAQI
11th Jul 2025389 PMAQI
11th Jul 20253910 PMAQI
11th Jul 20253711 PMAQI
12th Jul 20254012 AMAQI
12th Jul 2025481 AMAQI
12th Jul 2025502 AMAQI
12th Jul 2025483 AMAQI
12th Jul 2025444 AMAQI
26°C25/28°C
12th Jul 2025465 AMAQI
12th Jul 2025466 AMAQI
12th Jul 2025467 AMAQI
12th Jul 2025358 AMAQI
12th Jul 2025289 AMAQI
12th Jul 20252610 AMAQI
12th Jul 20252911 AMAQI
12th Jul 20253612 PMAQI
12th Jul 2025371 PMAQI
12th Jul 2025342 PMAQI
12th Jul 2025353 PMAQI
12th Jul 2025404 PMAQI
12th Jul 2025425 PMAQI
12th Jul 2025496 PMAQI
12th Jul 2025537 PMAQI
12th Jul 2025538 PMAQI
12th Jul 2025509 PMAQI
12th Jul 20254810 PMAQI
12th Jul 20255011 PMAQI
13th Jul 20254612 AMAQI
13th Jul 2025481 AMAQI
13th Jul 2025482 AMAQI
13th Jul 2025463 AMAQI
13th Jul 2025434 AMAQI
27°C25/28°C
13th Jul 2025445 AMAQI
13th Jul 2025436 AMAQI
13th Jul 2025437 AMAQI
13th Jul 2025498 AMAQI
13th Jul 2025569 AMAQI
13th Jul 20255910 AMAQI
13th Jul 20256111 AMAQI
13th Jul 20256012 PMAQI
13th Jul 2025581 PMAQI
13th Jul 2025592 PMAQI
13th Jul 2025603 PMAQI
13th Jul 2025574 PMAQI
13th Jul 2025575 PMAQI
13th Jul 2025526 PMAQI
13th Jul 2025467 PMAQI
13th Jul 2025488 PMAQI
13th Jul 2025409 PMAQI
13th Jul 20254010 PMAQI
13th Jul 20254411 PMAQI
14th Jul 20254612 AMAQI
14th Jul 2025481 AMAQI
14th Jul 2025462 AMAQI
14th Jul 2025503 AMAQI
14th Jul 2025514 AMAQI
27°C26/28°C
14th Jul 2025505 AMAQI
14th Jul 2025516 AMAQI
14th Jul 2025517 AMAQI
14th Jul 2025428 AMAQI
14th Jul 2025389 AMAQI
14th Jul 20254010 AMAQI
14th Jul 20253411 AMAQI
14th Jul 20254412 PMAQI
14th Jul 2025561 PMAQI
14th Jul 2025602 PMAQI
14th Jul 2025623 PMAQI
14th Jul 2025614 PMAQI
14th Jul 2025645 PMAQI
14th Jul 2025656 PMAQI
14th Jul 2025617 PMAQI
14th Jul 2025518 PMAQI
14th Jul 2025609 PMAQI
14th Jul 20256010 PMAQI
14th Jul 20256011 PMAQI
15th Jul 20255412 AMAQI
15th Jul 2025521 AMAQI
15th Jul 2025512 AMAQI
15th Jul 2025513 AMAQI
15th Jul 2025524 AMAQI
27°C26/29°C
15th Jul 2025515 AMAQI
15th Jul 2025526 AMAQI
15th Jul 2025527 AMAQI
15th Jul 2025688 AMAQI
15th Jul 2025739 AMAQI
15th Jul 20257610 AMAQI
15th Jul 20257611 AMAQI
15th Jul 20257112 PMAQI
15th Jul 2025661 PMAQI
15th Jul 2025592 PMAQI
15th Jul 2025583 PMAQI
15th Jul 2025614 PMAQI
15th Jul 2025645 PMAQI
15th Jul 2025616 PMAQI
15th Jul 2025597 PMAQI
15th Jul 2025568 PMAQI
15th Jul 2025559 PMAQI
15th Jul 20255410 PMAQI
15th Jul 20255411 PMAQI
16th Jul 20255312 AMAQI
16th Jul 2025521 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025543 AMAQI
16th Jul 2025554 AMAQI
28°C27/29°C
16th Jul 2025545 AMAQI
16th Jul 2025556 AMAQI
16th Jul 2025547 AMAQI
16th Jul 2025548 AMAQI
16th Jul 2025549 AMAQI
16th Jul 20255610 AMAQI
16th Jul 20256011 AMAQI
16th Jul 20256112 PMAQI
16th Jul 2025621 PMAQI
16th Jul 2025672 PMAQI
16th Jul 2025673 PMAQI
16th Jul 2025664 PMAQI
16th Jul 2025635 PMAQI
16th Jul 2025626 PMAQI
16th Jul 2025587 PMAQI
16th Jul 2025618 PMAQI
16th Jul 2025589 PMAQI
16th Jul 20255510 PMAQI
16th Jul 20255311 PMAQI
17th Jul 20255412 AMAQI
17th Jul 2025541 AMAQI
17th Jul 2025542 AMAQI
17th Jul 2025543 AMAQI
17th Jul 2025564 AMAQI
28°C27/29°C
17th Jul 2025555 AMAQI
17th Jul 2025556 AMAQI
17th Jul 2025557 AMAQI
17th Jul 2025578 AMAQI
17th Jul 2025599 AMAQI
17th Jul 20256410 AMAQI
17th Jul 20256511 AMAQI
17th Jul 20256312 PMAQI
17th Jul 2025591 PMAQI
17th Jul 2025562 PMAQI
17th Jul 2025623 PMAQI
17th Jul 2025584 PMAQI
17th Jul 2025595 PMAQI
17th Jul 2025556 PMAQI
17th Jul 2025547 PMAQI
17th Jul 2025568 PMAQI
17th Jul 2025549 PMAQI
17th Jul 20255510 PMAQI
17th Jul 20255411 PMAQI
18th Jul 20255312 AMAQI
18th Jul 2025551 AMAQI
18th Jul 2025552 AMAQI
18th Jul 2025563 AMAQI
18th Jul 2025574 AMAQI
28°C27/29°C
18th Jul 2025575 AMAQI
18th Jul 2025566 AMAQI
18th Jul 2025577 AMAQI
18th Jul 2025548 AMAQI
18th Jul 2025499 AMAQI
18th Jul 20255410 AMAQI
18th Jul 20255211 AMAQI
18th Jul 20255612 PMAQI
18th Jul 2025561 PMAQI
18th Jul 2025582 PMAQI
18th Jul 2025533 PMAQI
18th Jul 2025554 PMAQI
18th Jul 2025485 PMAQI
18th Jul 2025356 PMAQI
18th Jul 2025467 PMAQI
18th Jul 2025528 PMAQI
18th Jul 2025489 PMAQI
18th Jul 20254810 PMAQI
18th Jul 20254711 PMAQI
19th Jul 20255012 AMAQI
19th Jul 2025561 AMAQI
19th Jul 2025552 AMAQI
19th Jul 2025563 AMAQI
19th Jul 2025554 AMAQI
28°C27/29°C
19th Jul 2025555 AMAQI
19th Jul 2025556 AMAQI
19th Jul 2025557 AMAQI
19th Jul 2025388 AMAQI
19th Jul 2025359 AMAQI
19th Jul 20254310 AMAQI
19th Jul 20254511 AMAQI
19th Jul 20255312 PMAQI
19th Jul 2025561 PMAQI
19th Jul 2025432 PMAQI
19th Jul 2025483 PMAQI
19th Jul 2025454 PMAQI
19th Jul 2025435 PMAQI
19th Jul 2025406 PMAQI
19th Jul 2025437 PMAQI
19th Jul 2025518 PMAQI
19th Jul 2025529 PMAQI
19th Jul 20255210 PMAQI
19th Jul 20255211 PMAQI
20th Jul 20255212 AMAQI
20th Jul 2025561 AMAQI
20th Jul 2025562 AMAQI
20th Jul 2025543 AMAQI
20th Jul 2025544 AMAQI
28°C27/29°C
20th Jul 2025545 AMAQI
20th Jul 2025546 AMAQI
20th Jul 2025547 AMAQI
20th Jul 2025428 AMAQI
20th Jul 2025419 AMAQI
20th Jul 20254210 AMAQI
20th Jul 20253811 AMAQI
20th Jul 20253812 PMAQI
20th Jul 2025371 PMAQI
20th Jul 2025402 PMAQI
20th Jul 2025403 PMAQI
20th Jul 2025404 PMAQI
20th Jul 2025435 PMAQI
20th Jul 2025466 PMAQI
20th Jul 2025487 PMAQI
20th Jul 2025508 PMAQI
20th Jul 2025519 PMAQI
20th Jul 20255210 PMAQI
20th Jul 20255211 PMAQI
21st Jul 20255012 AMAQI
21st Jul 2025551 AMAQI
21st Jul 2025542 AMAQI
21st Jul 2025533 AMAQI
21st Jul 2025524 AMAQI
28°C26/29°C
21st Jul 2025525 AMAQI
21st Jul 2025526 AMAQI
21st Jul 2025527 AMAQI
21st Jul 2025268 AMAQI
21st Jul 2025229 AMAQI
21st Jul 20252210 AMAQI
21st Jul 20252211 AMAQI
21st Jul 20252412 PMAQI
21st Jul 2025231 PMAQI
21st Jul 2025272 PMAQI
21st Jul 2025253 PMAQI
21st Jul 2025264 PMAQI
21st Jul 2025315 PMAQI
21st Jul 2025256 PMAQI
21st Jul 2025327 PMAQI
21st Jul 2025408 PMAQI
21st Jul 2025389 PMAQI
21st Jul 20254010 PMAQI
21st Jul 20253611 PMAQI
22nd Jul 20253712 AMAQI
22nd Jul 2025451 AMAQI
22nd Jul 2025532 AMAQI
22nd Jul 2025513 AMAQI
22nd Jul 2025484 AMAQI
26°C25/27°C
22nd Jul 2025485 AMAQI
22nd Jul 2025486 AMAQI
22nd Jul 2025487 AMAQI
22nd Jul 2025258 AMAQI
22nd Jul 2025219 AMAQI
22nd Jul 20252210 AMAQI
22nd Jul 20252311 AMAQI
22nd Jul 20252212 PMAQI
22nd Jul 2025241 PMAQI
22nd Jul 2025262 PMAQI
22nd Jul 2025383 PMAQI
22nd Jul 2025474 PMAQI
22nd Jul 2025455 PMAQI
22nd Jul 2025436 PMAQI
22nd Jul 2025427 PMAQI
22nd Jul 2025438 PMAQI
22nd Jul 2025439 PMAQI
22nd Jul 20254410 PMAQI
22nd Jul 20254211 PMAQI
23rd Jul 20254412 AMAQI
23rd Jul 2025501 AMAQI
23rd Jul 2025492 AMAQI
23rd Jul 2025463 AMAQI
23rd Jul 2025434 AMAQI
26°C25/27°C
23rd Jul 2025435 AMAQI
23rd Jul 2025436 AMAQI
23rd Jul 2025427 AMAQI
23rd Jul 2025288 AMAQI
23rd Jul 2025299 AMAQI
23rd Jul 20253410 AMAQI
23rd Jul 20253011 AMAQI
23rd Jul 20253112 PMAQI
23rd Jul 2025341 PMAQI
23rd Jul 2025352 PMAQI
23rd Jul 2025333 PMAQI
23rd Jul 2025314 PMAQI
23rd Jul 2025295 PMAQI
23rd Jul 2025356 PMAQI
23rd Jul 2025407 PMAQI
23rd Jul 2025418 PMAQI
23rd Jul 2025409 PMAQI
23rd Jul 20254010 PMAQI
23rd Jul 20253811 PMAQI
24th Jul 20254012 AMAQI
24th Jul 2025431 AMAQI
24th Jul 2025492 AMAQI
24th Jul 2025443 AMAQI
24th Jul 2025424 AMAQI
27°C27/27°C
24th Jul 2025425 AMAQI
24th Jul 2025426 AMAQI
24th Jul 2025417 AMAQI
24th Jul 2025368 AMAQI
24th Jul 2025439 AMAQI
24th Jul 20253710 AMAQI
24th Jul 20253511 AMAQI
24th Jul 20253612 PMAQI
24th Jul 2025381 PMAQI
24th Jul 2025342 PMAQI
24th Jul 2025323 PMAQI
24th Jul 2025354 PMAQI
24th Jul 2025345 PMAQI
24th Jul 2025346 PMAQI
24th Jul 2025447 PMAQI
24th Jul 2025428 PMAQI
24th Jul 2025409 PMAQI
24th Jul 20254010 PMAQI
24th Jul 20253911 PMAQI
25th Jul 20254012 AMAQI
25th Jul 2025471 AMAQI
25th Jul 2025442 AMAQI
25th Jul 2025413 AMAQI
25th Jul 2025404 AMAQI
27°C26/28°C
25th Jul 2025405 AMAQI
25th Jul 2025406 AMAQI
25th Jul 2025407 AMAQI
25th Jul 2025468 AMAQI
25th Jul 2025539 AMAQI
25th Jul 20254210 AMAQI
25th Jul 20254211 AMAQI
25th Jul 20254112 PMAQI
25th Jul 2025411 PMAQI
25th Jul 2025482 PMAQI
25th Jul 2025413 PMAQI
25th Jul 2025364 PMAQI
25th Jul 2025435 PMAQI
25th Jul 2025466 PMAQI
25th Jul 2025377 PMAQI
25th Jul 2025358 PMAQI
25th Jul 2025349 PMAQI
25th Jul 20253810 PMAQI
25th Jul 20254411 PMAQI
26th Jul 20254112 AMAQI
26th Jul 2025421 AMAQI
26th Jul 2025412 AMAQI
26th Jul 2025413 AMAQI
26th Jul 2025414 AMAQI
28°C27/30°C
26th Jul 2025425 AMAQI
26th Jul 2025406 AMAQI
26th Jul 2025417 AMAQI
26th Jul 2025308 AMAQI
26th Jul 2025299 AMAQI
26th Jul 20252710 AMAQI
26th Jul 20252611 AMAQI
26th Jul 20252312 PMAQI
26th Jul 2025251 PMAQI
26th Jul 2025312 PMAQI
26th Jul 2025273 PMAQI
26th Jul 2025274 PMAQI
26th Jul 2025285 PMAQI
26th Jul 2025386 PMAQI
26th Jul 2025467 PMAQI
26th Jul 2025398 PMAQI
26th Jul 2025349 PMAQI
26th Jul 20253610 PMAQI
26th Jul 20254911 PMAQI
27th Jul 20254712 AMAQI
27th Jul 2025401 AMAQI
27th Jul 2025402 AMAQI
27th Jul 2025393 AMAQI
27th Jul 2025384 AMAQI
27°C26/28°C
27th Jul 2025365 AMAQI
27th Jul 2025376 AMAQI
27th Jul 2025387 AMAQI
27th Jul 2025408 AMAQI
27th Jul 2025359 AMAQI
27th Jul 20252610 AMAQI
27th Jul 20252411 AMAQI
27th Jul 20252512 PMAQI
27th Jul 2025291 PMAQI
27th Jul 2025352 PMAQI
27th Jul 2025393 PMAQI
27th Jul 2025384 PMAQI
27th Jul 2025415 PMAQI
27th Jul 2025426 PMAQI
27th Jul 2025417 PMAQI
27th Jul 2025378 PMAQI
27th Jul 2025389 PMAQI
27th Jul 20254010 PMAQI
27th Jul 20254011 PMAQI
28th Jul 20253812 AMAQI
28th Jul 2025391 AMAQI
28th Jul 2025392 AMAQI
28th Jul 2025393 AMAQI
28th Jul 2025384 AMAQI
27°C27/28°C
28th Jul 2025375 AMAQI
28th Jul 2025376 AMAQI
28th Jul 2025377 AMAQI
28th Jul 2025438 AMAQI
28th Jul 2025489 AMAQI
28th Jul 20254910 AMAQI
28th Jul 20254311 AMAQI
28th Jul 20255212 PMAQI
28th Jul 2025551 PMAQI
28th Jul 2025492 PMAQI
28th Jul 2025493 PMAQI
28th Jul 2025544 PMAQI
28th Jul 2025535 PMAQI
28th Jul 2025526 PMAQI
28th Jul 2025447 PMAQI
28th Jul 2025388 PMAQI
28th Jul 2025369 PMAQI
28th Jul 20253410 PMAQI
28th Jul 20253411 PMAQI
29th Jul 20253412 AMAQI
29th Jul 2025401 AMAQI
29th Jul 2025392 AMAQI
29th Jul 2025403 AMAQI
29th Jul 2025414 AMAQI
28°C27/29°C
29th Jul 2025415 AMAQI
29th Jul 2025416 AMAQI
29th Jul 2025407 AMAQI
29th Jul 2025408 AMAQI
29th Jul 2025309 AMAQI
29th Jul 20253010 AMAQI
29th Jul 20253211 AMAQI
29th Jul 20254312 PMAQI
29th Jul 2025501 PMAQI
29th Jul 2025462 PMAQI
29th Jul 2025383 PMAQI
29th Jul 2025344 PMAQI
29th Jul 2025345 PMAQI
29th Jul 2025446 PMAQI
29th Jul 2025467 PMAQI
29th Jul 2025418 PMAQI
29th Jul 2025399 PMAQI
29th Jul 20253910 PMAQI
29th Jul 20254211 PMAQI
30th Jul 20254512 AMAQI
30th Jul 2025401 AMAQI
30th Jul 2025402 AMAQI
30th Jul 2025383 AMAQI
30th Jul 2025384 AMAQI
28°C27/29°C
30th Jul 2025385 AMAQI
30th Jul 2025386 AMAQI
30th Jul 2025387 AMAQI
30th Jul 2025528 AMAQI
30th Jul 2025599 AMAQI
30th Jul 20256210 AMAQI
30th Jul 20256311 AMAQI
30th Jul 20256112 PMAQI
30th Jul 2025621 PMAQI
30th Jul 2025662 PMAQI
30th Jul 2025663 PMAQI
30th Jul 2025664 PMAQI
30th Jul 2025645 PMAQI
30th Jul 2025626 PMAQI
30th Jul 2025587 PMAQI
30th Jul 2025528 PMAQI
30th Jul 2025499 PMAQI
30th Jul 20254210 PMAQI
30th Jul 20255611 PMAQI
31st Jul 20255212 AMAQI
31st Jul 2025391 AMAQI
31st Jul 2025402 AMAQI
31st Jul 2025403 AMAQI
31st Jul 2025394 AMAQI
28°C27/29°C
31st Jul 2025395 AMAQI
31st Jul 2025396 AMAQI
31st Jul 2025397 AMAQI
31st Jul 2025398 AMAQI
31st Jul 2025399 AMAQI
31st Jul 20256010 AMAQI
31st Jul 20256011 AMAQI
31st Jul 20255512 PMAQI
31st Jul 2025511 PMAQI
31st Jul 2025462 PMAQI
31st Jul 2025523 PMAQI
31st Jul 2025464 PMAQI
31st Jul 2025525 PMAQI
31st Jul 2025546 PMAQI
31st Jul 2025547 PMAQI
31st Jul 2025538 PMAQI
31st Jul 2025529 PMAQI
31st Jul 20255210 PMAQI
31st Jul 20255411 PMAQI
1st Aug 20255012 AMAQI
1st Aug 2025481 AMAQI
1st Aug 2025442 AMAQI
1st Aug 2025443 AMAQI
1st Aug 2025444 AMAQI
29°C28/30°C
1st Aug 2025445 AMAQI
1st Aug 2025476 AMAQI
1st Aug 2025477 AMAQI
1st Aug 2025528 AMAQI
1st Aug 2025579 AMAQI
1st Aug 20256110 AMAQI
1st Aug 20256611 AMAQI
1st Aug 20256412 PMAQI
1st Aug 2025601 PMAQI
1st Aug 2025542 PMAQI
1st Aug 2025583 PMAQI
1st Aug 2025594 PMAQI
1st Aug 2025525 PMAQI
1st Aug 2025506 PMAQI
1st Aug 2025517 PMAQI
1st Aug 2025528 PMAQI
1st Aug 2025549 PMAQI
1st Aug 20255410 PMAQI
1st Aug 20255511 PMAQI
2nd Aug 20255012 AMAQI
2nd Aug 2025491 AMAQI
2nd Aug 2025492 AMAQI
2nd Aug 2025513 AMAQI
2nd Aug 2025524 AMAQI
28°C28/29°C
2nd Aug 2025525 AMAQI
2nd Aug 2025526 AMAQI
2nd Aug 2025537 AMAQI
2nd Aug 2025548 AMAQI
2nd Aug 2025519 AMAQI
2nd Aug 20255710 AMAQI
2nd Aug 20255711 AMAQI
2nd Aug 20256012 PMAQI
2nd Aug 2025621 PMAQI
2nd Aug 2025622 PMAQI
2nd Aug 2025593 PMAQI
2nd Aug 2025554 PMAQI
2nd Aug 2025535 PMAQI
2nd Aug 2025536 PMAQI
2nd Aug 2025487 PMAQI
2nd Aug 2025498 PMAQI
2nd Aug 2025489 PMAQI
2nd Aug 20255010 PMAQI
2nd Aug 20254811 PMAQI
3rd Aug 20255212 AMAQI
3rd Aug 2025521 AMAQI
3rd Aug 2025522 AMAQI
3rd Aug 2025523 AMAQI
3rd Aug 2025544 AMAQI
28°C28/29°C
3rd Aug 2025545 AMAQI
5 AM3rd Aug 2025546 AMAQI
3rd Aug 2025537 AMAQI
3rd Aug 2025498 AMAQI
3rd Aug 2025549 AMAQI
3rd Aug 20255810 AMAQI
3rd Aug 20255611 AMAQI
11 AM3rd Aug 20255812 PMAQI
3rd Aug 2025531 PMAQI
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
46AQI
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. 46).
Night time
Avg. Highest Time
12 AM - 11 PM
47AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM - 11 PM
47AQI
10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 47), while the lowest AQI was between 12 AM to 11 PM (Avg. 47).
2025 Days Vs Air Quality
Matsu, Nangan, Lienchiang, Taiwan
2025
24%
51
71%
152
5%
11
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
51 DaysModerate
152 DaysPoor
11 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 24%
Health Risk Level:
Very high
In 2025, 24% of 215 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Matsu, Nangan, Lienchiang, 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
104AQI
104AQI
2nd January 2025
76AQI
76AQI
3rd January 2025
88AQI
88AQI
4th January 2025
74AQI
74AQI
5th January 2025
74AQI
74AQI
6th January 2025
92AQI
92AQI
7th January 2025
109AQI
109AQI
8th January 2025
83AQI
83AQI
9th January 2025
105AQI
105AQI
10th January 2025
69AQI
69AQI
11th January 2025
74AQI
74AQI
12th January 2025
79AQI
79AQI
13th January 2025
78AQI
78AQI
14th January 2025
79AQI
79AQI
15th January 2025
122AQI
122AQI
16th January 2025
81AQI
81AQI
17th January 2025
96AQI
96AQI
18th January 2025
74AQI
74AQI
19th January 2025
80AQI
80AQI
20th January 2025
95AQI
95AQI
21st January 2025
121AQI
121AQI
22nd January 2025
90AQI
90AQI
23rd January 2025
86AQI
86AQI
24th January 2025
74AQI
74AQI
25th January 2025
79AQI
79AQI
26th January 2025
63AQI
63AQI
27th January 2025
60AQI
60AQI
28th January 2025
65AQI
65AQI
29th January 2025
90AQI
90AQI
30th January 2025
70AQI
70AQI
31st January 2025
73AQI
73AQI
1st February 2025
61AQI
61AQI
2nd February 2025
50AQI
50AQI
3rd February 2025
65AQI
65AQI
4th February 2025
100AQI
100AQI
5th February 2025
88AQI
88AQI
6th February 2025
81AQI
81AQI
7th February 2025
69AQI
69AQI
8th February 2025
65AQI
65AQI
9th February 2025
63AQI
63AQI
10th February 2025
75AQI
75AQI
11th February 2025
68AQI
68AQI
12th February 2025
89AQI
89AQI
13th February 2025
127AQI
127AQI
14th February 2025
94AQI
94AQI
15th February 2025
125AQI
125AQI
16th February 2025
100AQI
100AQI
17th February 2025
126AQI
126AQI
18th February 2025
76AQI
76AQI
19th February 2025
88AQI
88AQI
20th February 2025
55AQI
55AQI
21st February 2025
58AQI
58AQI
22nd February 2025
62AQI
62AQI
23rd February 2025
51AQI
51AQI
24th February 2025
110AQI
110AQI
25th February 2025
92AQI
92AQI
26th February 2025
109AQI
109AQI
27th February 2025
102AQI
102AQI
28th February 2025
86AQI
86AQI
1st March 2025
79AQI
79AQI
2nd March 2025
75AQI
75AQI
3rd March 2025
79AQI
79AQI
4th March 2025
58AQI
58AQI
5th March 2025
55AQI
55AQI
6th March 2025
48AQI
48AQI
7th March 2025
68AQI
68AQI
8th March 2025
75AQI
75AQI
9th March 2025
77AQI
77AQI
10th March 2025
72AQI
72AQI
11th March 2025
73AQI
73AQI
12th March 2025
69AQI
69AQI
13th March 2025
61AQI
61AQI
14th March 2025
65AQI
65AQI
15th March 2025
51AQI
51AQI
16th March 2025
57AQI
57AQI
17th March 2025
75AQI
75AQI
18th March 2025
71AQI
71AQI
19th March 2025
75AQI
75AQI
20th March 2025
75AQI
75AQI
21st March 2025
73AQI
73AQI
22nd March 2025
72AQI
72AQI
23rd March 2025
80AQI
80AQI
24th March 2025
98AQI
98AQI
25th March 2025
90AQI
90AQI
26th March 2025
88AQI
88AQI
27th March 2025
85AQI
85AQI
28th March 2025
78AQI
78AQI
29th March 2025
70AQI
70AQI
30th March 2025
53AQI
53AQI
31st March 2025
44AQI
44AQI
1st April 2025
53AQI
53AQI
2nd April 2025
63AQI
63AQI
3rd April 2025
63AQI
63AQI
4th April 2025
70AQI
70AQI
5th April 2025
72AQI
72AQI
6th April 2025
79AQI
79AQI
7th April 2025
83AQI
83AQI
8th April 2025
86AQI
86AQI
9th April 2025
88AQI
88AQI
10th April 2025
78AQI
78AQI
11th April 2025
81AQI
81AQI
12th April 2025
69AQI
69AQI
13th April 2025
99AQI
99AQI
14th April 2025
92AQI
92AQI
15th April 2025
81AQI
81AQI
16th April 2025
86AQI
86AQI
17th April 2025
85AQI
85AQI
18th April 2025
86AQI
86AQI
19th April 2025
76AQI
76AQI
20th April 2025
68AQI
68AQI
21st April 2025
88AQI
88AQI
22nd April 2025
71AQI
71AQI
23rd April 2025
71AQI
71AQI
24th April 2025
59AQI
59AQI
25th April 2025
50AQI
50AQI
26th April 2025
60AQI
60AQI
27th April 2025
60AQI
60AQI
28th April 2025
66AQI
66AQI
29th April 2025
60AQI
60AQI
30th April 2025
65AQI
65AQI
1st May 2025
78AQI
78AQI
2nd May 2025
75AQI
75AQI
3rd May 2025
82AQI
82AQI
4th May 2025
69AQI
69AQI
5th May 2025
72AQI
72AQI
6th May 2025
75AQI
75AQI
7th May 2025
82AQI
82AQI
8th May 2025
73AQI
73AQI
9th May 2025
60AQI
60AQI
10th May 2025
61AQI
61AQI
11th May 2025
60AQI
60AQI
12th May 2025
66AQI
66AQI
13th May 2025
65AQI
65AQI
14th May 2025
62AQI
62AQI
15th May 2025
66AQI
66AQI
16th May 2025
60AQI
60AQI
17th May 2025
60AQI
60AQI
18th May 2025
53AQI
53AQI
19th May 2025
54AQI
54AQI
20th May 2025
60AQI
60AQI
21st May 2025
52AQI
52AQI
22nd May 2025
62AQI
62AQI
23rd May 2025
59AQI
59AQI
24th May 2025
55AQI
55AQI
25th May 2025
85AQI
85AQI
26th May 2025
76AQI
76AQI
27th May 2025
71AQI
71AQI
28th May 2025
58AQI
58AQI
29th May 2025
44AQI
44AQI
30th May 2025
61AQI
61AQI
31st May 2025
67AQI
67AQI
1st June 2025
63AQI
63AQI
2nd June 2025
60AQI
60AQI
3rd June 2025
46AQI
46AQI
4th June 2025
61AQI
61AQI
5th June 2025
55AQI
55AQI
6th June 2025
59AQI
59AQI
7th June 2025
56AQI
56AQI
8th June 2025
51AQI
51AQI
9th June 2025
51AQI
51AQI
10th June 2025
49AQI
49AQI
11th June 2025
45AQI
45AQI
12th June 2025
46AQI
46AQI
13th June 2025
41AQI
41AQI
14th June 2025
44AQI
44AQI
15th June 2025
43AQI
43AQI
16th June 2025
50AQI
50AQI
17th June 2025
48AQI
48AQI
18th June 2025
50AQI
50AQI
19th June 2025
44AQI
44AQI
20th June 2025
44AQI
44AQI
21st June 2025
40AQI
40AQI
22nd June 2025
33AQI
33AQI
23rd June 2025
45AQI
45AQI
24th June 2025
45AQI
45AQI
25th June 2025
46AQI
46AQI
26th June 2025
44AQI
44AQI
27th June 2025
44AQI
44AQI
28th June 2025
46AQI
46AQI
29th June 2025
47AQI
47AQI
30th June 2025
43AQI
43AQI
1st July 2025
42AQI
42AQI
2nd July 2025
41AQI
41AQI
3rd July 2025
46AQI
46AQI
4th July 2025
50AQI
50AQI
5th July 2025
49AQI
49AQI
6th July 2025
42AQI
42AQI
7th July 2025
40AQI
40AQI
8th July 2025
53AQI
53AQI
9th July 2025
48AQI
48AQI
10th July 2025
45AQI
45AQI
11th July 2025
39AQI
39AQI
12th July 2025
43AQI
43AQI
13th July 2025
49AQI
49AQI
14th July 2025
53AQI
53AQI
15th July 2025
58AQI
58AQI
16th July 2025
57AQI
57AQI
17th July 2025
57AQI
57AQI
18th July 2025
52AQI
52AQI
19th July 2025
50AQI
50AQI
20th July 2025
48AQI
48AQI
21st July 2025
38AQI
38AQI
22nd July 2025
40AQI
40AQI
23rd July 2025
39AQI
39AQI
24th July 2025
40AQI
40AQI
25th July 2025
41AQI
41AQI
26th July 2025
36AQI
36AQI
27th July 2025
37AQI
37AQI
28th July 2025
42AQI
42AQI
29th July 2025
39AQI
39AQI
30th July 2025
51AQI
51AQI
31st July 2025
48AQI
48AQI
1st August 2025
52AQI
52AQI
2nd August 2025
53AQI
53AQI
84AQI
83AQI
71AQI
74AQI
65AQI
48AQI
46AQI
53AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202567AQI
26
5
1
21
6
2
29
1
29
1
30
22
8
24
7
2
51
152
11
Highest AQI recorded in
January84AQI
Lowest AQI recorded in
July46AQI
202461AQI
2
17
11
1
12
13
4
3
25
3
4
23
3
14
17
20
9
24
7
9
22
24
6
14
17
14
16
28
3
140
200
24
1
Highest AQI recorded in
January92AQI
Lowest AQI recorded in
September42AQI
202356AQI
2
25
4
15
7
5
25
1
1
24
5
12
17
2
14
16
28
3
20
11
26
4
18
13
9
19
1
5
24
2
155
188
15
Highest AQI recorded in
April80AQI
Lowest AQI recorded in
February25AQI
202259AQI
5
17
8
12
8
3
4
24
2
1
2
26
2
15
15
1
30
15
10
1
2
5
24
20
11
14
16
10
20
1
133
173
17
1
Highest AQI recorded in
January81AQI
Lowest AQI recorded in
June36AQI
202160AQI
2
21
6
5
15
8
30
1
1
27
2
8
22
1
9
21
25
6
30
1
19
11
19
12
11
19
3
25
3
132
210
21
Highest AQI recorded in
January81AQI
Lowest AQI recorded in
August35AQI
202056AQI
4
7
2
3
13
5
5
13
24
6
29
2
24
7
11
19
3
28
9
19
2
2
24
5
114
138
14
Highest AQI recorded in
April82AQI
Lowest AQI recorded in
July38AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
67AQILeast Polluted Year Recorded
2023(Avg.)
56AQIMatsu's annual 2025 AQI (67) shows an average percentage change of 14.7% (worsened AQI) compared to previous years: 2020 (56), 2021 (60), 2022 (59), 2023 (56), 2024 (61).
