Yuanchang, 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
Yuanchang, Yunlin, Taiwan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
30th Aug 2021
71AQILowest AQI recorded on
20th Aug 2024
19AQISame Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 47 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Yuanchang, Yunlin, Taiwan
AQI
Day
Night
.
5 AM2nd Aug 2025
6 PM
4 AM3rd Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
2PM2nd Aug
52AQI
Avg. Lowest Time
8AM2nd Aug
32AQI
In the last 24 hours,
Yuanchang's AQI reached its highest point of 52 at 2 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Yuanchang, Yunlin, 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 2025385 AMAQI
4th Jul 2025386 AMAQI
4th Jul 2025387 AMAQI
4th Jul 2025498 AMAQI
4th Jul 2025519 AMAQI
4th Jul 20255110 AMAQI
4th Jul 20254811 AMAQI
4th Jul 20254812 PMAQI
4th Jul 2025471 PMAQI
4th Jul 2025462 PMAQI
4th Jul 2025503 PMAQI
4th Jul 2025494 PMAQI
4th Jul 2025495 PMAQI
4th Jul 2025486 PMAQI
4th Jul 2025427 PMAQI
4th Jul 2025398 PMAQI
4th Jul 2025409 PMAQI
4th Jul 20253810 PMAQI
4th Jul 20253711 PMAQI
5th Jul 20253812 AMAQI
5th Jul 2025431 AMAQI
5th Jul 2025432 AMAQI
5th Jul 2025433 AMAQI
5th Jul 2025444 AMAQI
30°C28/33°C
5th Jul 2025445 AMAQI
5th Jul 2025446 AMAQI
5th Jul 2025447 AMAQI
5th Jul 2025368 AMAQI
5th Jul 2025309 AMAQI
5th Jul 20252410 AMAQI
5th Jul 20252711 AMAQI
5th Jul 20254012 PMAQI
5th Jul 2025441 PMAQI
5th Jul 2025422 PMAQI
5th Jul 2025373 PMAQI
5th Jul 2025334 PMAQI
5th Jul 2025275 PMAQI
5th Jul 2025286 PMAQI
5th Jul 2025307 PMAQI
5th Jul 2025378 PMAQI
5th Jul 2025369 PMAQI
5th Jul 20253810 PMAQI
5th Jul 20253711 PMAQI
6th Jul 20253612 AMAQI
6th Jul 2025401 AMAQI
6th Jul 2025422 AMAQI
6th Jul 2025403 AMAQI
6th Jul 2025394 AMAQI
29°C27/32°C
6th Jul 2025405 AMAQI
6th Jul 2025406 AMAQI
6th Jul 2025387 AMAQI
6th Jul 2025388 AMAQI
6th Jul 2025339 AMAQI
6th Jul 20253310 AMAQI
6th Jul 20254311 AMAQI
6th Jul 20255112 PMAQI
6th Jul 2025461 PMAQI
6th Jul 2025442 PMAQI
6th Jul 2025413 PMAQI
6th Jul 2025324 PMAQI
6th Jul 2025285 PMAQI
6th Jul 2025316 PMAQI
6th Jul 2025397 PMAQI
6th Jul 2025398 PMAQI
6th Jul 2025409 PMAQI
6th Jul 20254010 PMAQI
6th Jul 20253811 PMAQI
7th Jul 20254012 AMAQI
7th Jul 2025401 AMAQI
7th Jul 2025392 AMAQI
7th Jul 2025393 AMAQI
7th Jul 2025394 AMAQI
26°C25/27°C
7th Jul 2025385 AMAQI
7th Jul 2025396 AMAQI
7th Jul 2025387 AMAQI
7th Jul 2025228 AMAQI
7th Jul 2025169 AMAQI
7th Jul 20251610 AMAQI
7th Jul 20251711 AMAQI
7th Jul 20252112 PMAQI
7th Jul 2025211 PMAQI
7th Jul 2025242 PMAQI
7th Jul 2025273 PMAQI
7th Jul 2025304 PMAQI
7th Jul 2025315 PMAQI
7th Jul 2025316 PMAQI
7th Jul 2025327 PMAQI
7th Jul 2025378 PMAQI
7th Jul 2025379 PMAQI
7th Jul 20253810 PMAQI
7th Jul 20253611 PMAQI
8th Jul 20253712 AMAQI
8th Jul 2025391 AMAQI
8th Jul 2025392 AMAQI
8th Jul 2025373 AMAQI
8th Jul 2025374 AMAQI
27°C24/29°C
8th Jul 2025375 AMAQI
8th Jul 2025366 AMAQI
8th Jul 2025367 AMAQI
8th Jul 2025388 AMAQI
8th Jul 2025449 AMAQI
8th Jul 20254610 AMAQI
8th Jul 20254811 AMAQI
8th Jul 20254612 PMAQI
8th Jul 2025401 PMAQI
8th Jul 2025362 PMAQI
8th Jul 2025353 PMAQI
8th Jul 2025314 PMAQI
8th Jul 2025315 PMAQI
8th Jul 2025306 PMAQI
8th Jul 2025347 PMAQI
8th Jul 2025398 PMAQI
8th Jul 2025369 PMAQI
8th Jul 20253810 PMAQI
8th Jul 20253611 PMAQI
9th Jul 20253712 AMAQI
9th Jul 2025381 AMAQI
9th Jul 2025382 AMAQI
9th Jul 2025383 AMAQI
9th Jul 2025384 AMAQI
29°C26/33°C
9th Jul 2025385 AMAQI
9th Jul 2025386 AMAQI
9th Jul 2025387 AMAQI
9th Jul 2025348 AMAQI
9th Jul 2025289 AMAQI
9th Jul 20252810 AMAQI
9th Jul 20253111 AMAQI
9th Jul 20253612 PMAQI
9th Jul 2025391 PMAQI
9th Jul 2025382 PMAQI
9th Jul 2025433 PMAQI
9th Jul 2025424 PMAQI
9th Jul 2025445 PMAQI
9th Jul 2025456 PMAQI
9th Jul 2025457 PMAQI
9th Jul 2025438 PMAQI
9th Jul 2025429 PMAQI
9th Jul 20253910 PMAQI
9th Jul 20253811 PMAQI
10th Jul 20253612 AMAQI
10th Jul 2025401 AMAQI
10th Jul 2025402 AMAQI
10th Jul 2025393 AMAQI
10th Jul 2025384 AMAQI
28°C27/30°C
10th Jul 2025395 AMAQI
10th Jul 2025386 AMAQI
10th Jul 2025397 AMAQI
10th Jul 2025278 AMAQI
10th Jul 2025229 AMAQI
10th Jul 20252310 AMAQI
10th Jul 20252411 AMAQI
10th Jul 20253012 PMAQI
10th Jul 2025301 PMAQI
10th Jul 2025292 PMAQI
10th Jul 2025303 PMAQI
10th Jul 2025264 PMAQI
10th Jul 2025275 PMAQI
10th Jul 2025276 PMAQI
10th Jul 2025327 PMAQI
10th Jul 2025398 PMAQI
10th Jul 2025409 PMAQI
10th Jul 20253910 PMAQI
10th Jul 20253811 PMAQI
11th Jul 20253812 AMAQI
11th Jul 2025381 AMAQI
11th Jul 2025402 AMAQI
11th Jul 2025393 AMAQI
11th Jul 2025384 AMAQI
24°C24/25°C
11th Jul 2025385 AMAQI
11th Jul 2025386 AMAQI
11th Jul 2025387 AMAQI
11th Jul 2025228 AMAQI
11th Jul 2025199 AMAQI
11th Jul 20251810 AMAQI
11th Jul 20252211 AMAQI
11th Jul 20253312 PMAQI
11th Jul 2025361 PMAQI
11th Jul 2025382 PMAQI
11th Jul 2025343 PMAQI
11th Jul 2025314 PMAQI
11th Jul 2025375 PMAQI
11th Jul 2025366 PMAQI
11th Jul 2025357 PMAQI
11th Jul 2025388 PMAQI
11th Jul 2025399 PMAQI
11th Jul 20254010 PMAQI
11th Jul 20254011 PMAQI
12th Jul 20254012 AMAQI
12th Jul 2025391 AMAQI
12th Jul 2025392 AMAQI
12th Jul 2025393 AMAQI
12th Jul 2025394 AMAQI
27°C24/31°C
12th Jul 2025395 AMAQI
12th Jul 2025396 AMAQI
12th Jul 2025387 AMAQI
12th Jul 2025438 AMAQI
12th Jul 2025469 AMAQI
12th Jul 20254910 AMAQI
12th Jul 20254911 AMAQI
12th Jul 20254812 PMAQI
12th Jul 2025491 PMAQI
12th Jul 2025462 PMAQI
12th Jul 2025423 PMAQI
12th Jul 2025394 PMAQI
12th Jul 2025375 PMAQI
12th Jul 2025396 PMAQI
12th Jul 2025437 PMAQI
12th Jul 2025408 PMAQI
12th Jul 2025399 PMAQI
12th Jul 20253810 PMAQI
12th Jul 20253811 PMAQI
13th Jul 20253912 AMAQI
13th Jul 2025401 AMAQI
13th Jul 2025402 AMAQI
13th Jul 2025413 AMAQI
13th Jul 2025424 AMAQI
30°C26/34°C
13th Jul 2025415 AMAQI
13th Jul 2025416 AMAQI
13th Jul 2025407 AMAQI
13th Jul 2025438 AMAQI
13th Jul 2025489 AMAQI
13th Jul 20255010 AMAQI
13th Jul 20255211 AMAQI
13th Jul 20254912 PMAQI
13th Jul 2025471 PMAQI
13th Jul 2025482 PMAQI
13th Jul 2025463 PMAQI
13th Jul 2025464 PMAQI
13th Jul 2025505 PMAQI
13th Jul 2025506 PMAQI
13th Jul 2025507 PMAQI
13th Jul 2025478 PMAQI
13th Jul 2025469 PMAQI
13th Jul 20254510 PMAQI
13th Jul 20254611 PMAQI
14th Jul 20254512 AMAQI
14th Jul 2025411 AMAQI
14th Jul 2025402 AMAQI
14th Jul 2025403 AMAQI
14th Jul 2025424 AMAQI
30°C28/33°C
14th Jul 2025425 AMAQI
14th Jul 2025426 AMAQI
14th Jul 2025427 AMAQI
14th Jul 2025528 AMAQI
14th Jul 2025579 AMAQI
14th Jul 20255410 AMAQI
14th Jul 20255211 AMAQI
14th Jul 20254912 PMAQI
14th Jul 2025491 PMAQI
14th Jul 2025502 PMAQI
14th Jul 2025503 PMAQI
14th Jul 2025494 PMAQI
14th Jul 2025495 PMAQI
14th Jul 2025496 PMAQI
14th Jul 2025507 PMAQI
14th Jul 2025488 PMAQI
14th Jul 2025479 PMAQI
14th Jul 20254710 PMAQI
14th Jul 20254911 PMAQI
15th Jul 20254612 AMAQI
15th Jul 2025451 AMAQI
15th Jul 2025442 AMAQI
15th Jul 2025463 AMAQI
15th Jul 2025484 AMAQI
30°C28/33°C
15th Jul 2025485 AMAQI
15th Jul 2025486 AMAQI
15th Jul 2025487 AMAQI
15th Jul 2025318 AMAQI
15th Jul 2025359 AMAQI
15th Jul 20253810 AMAQI
15th Jul 20253711 AMAQI
15th Jul 20254312 PMAQI
15th Jul 2025341 PMAQI
15th Jul 2025342 PMAQI
15th Jul 2025373 PMAQI
15th Jul 2025364 PMAQI
15th Jul 2025385 PMAQI
15th Jul 2025406 PMAQI
15th Jul 2025437 PMAQI
15th Jul 2025468 PMAQI
15th Jul 2025469 PMAQI
15th Jul 20254610 PMAQI
15th Jul 20254511 PMAQI
16th Jul 20254412 AMAQI
16th Jul 2025471 AMAQI
16th Jul 2025472 AMAQI
16th Jul 2025463 AMAQI
16th Jul 2025464 AMAQI
28°C27/30°C
16th Jul 2025455 AMAQI
16th Jul 2025446 AMAQI
16th Jul 2025457 AMAQI
16th Jul 2025458 AMAQI
16th Jul 2025419 AMAQI
16th Jul 20253410 AMAQI
16th Jul 20253411 AMAQI
16th Jul 20253512 PMAQI
16th Jul 2025381 PMAQI
16th Jul 2025362 PMAQI
16th Jul 2025413 PMAQI
16th Jul 2025414 PMAQI
16th Jul 2025425 PMAQI
16th Jul 2025446 PMAQI
16th Jul 2025447 PMAQI
16th Jul 2025468 PMAQI
16th Jul 2025459 PMAQI
16th Jul 20254710 PMAQI
16th Jul 20254511 PMAQI
17th Jul 20254512 AMAQI
17th Jul 2025461 AMAQI
17th Jul 2025462 AMAQI
17th Jul 2025463 AMAQI
17th Jul 2025454 AMAQI
30°C27/33°C
17th Jul 2025465 AMAQI
17th Jul 2025456 AMAQI
17th Jul 2025447 AMAQI
17th Jul 2025488 AMAQI
17th Jul 2025519 AMAQI
17th Jul 20255410 AMAQI
17th Jul 20254811 AMAQI
17th Jul 20254612 PMAQI
17th Jul 2025481 PMAQI
17th Jul 2025452 PMAQI
17th Jul 2025393 PMAQI
17th Jul 2025404 PMAQI
17th Jul 2025435 PMAQI
17th Jul 2025456 PMAQI
17th Jul 2025437 PMAQI
17th Jul 2025478 PMAQI
17th Jul 2025469 PMAQI
17th Jul 20254610 PMAQI
17th Jul 20254511 PMAQI
18th Jul 20254212 AMAQI
18th Jul 2025461 AMAQI
18th Jul 2025462 AMAQI
18th Jul 2025463 AMAQI
18th Jul 2025474 AMAQI
31°C28/33°C
18th Jul 2025475 AMAQI
18th Jul 2025476 AMAQI
18th Jul 2025477 AMAQI
18th Jul 2025338 AMAQI
18th Jul 2025349 AMAQI
18th Jul 20254010 AMAQI
18th Jul 20255011 AMAQI
18th Jul 20255012 PMAQI
18th Jul 2025491 PMAQI
18th Jul 2025442 PMAQI
18th Jul 2025483 PMAQI
18th Jul 2025534 PMAQI
18th Jul 2025525 PMAQI
18th Jul 2025526 PMAQI
18th Jul 2025497 PMAQI
18th Jul 2025468 PMAQI
18th Jul 2025479 PMAQI
18th Jul 20254610 PMAQI
18th Jul 20254711 PMAQI
19th Jul 20254712 AMAQI
19th Jul 2025471 AMAQI
19th Jul 2025452 AMAQI
19th Jul 2025453 AMAQI
19th Jul 2025464 AMAQI
30°C27/34°C
19th Jul 2025455 AMAQI
19th Jul 2025456 AMAQI
19th Jul 2025467 AMAQI
19th Jul 2025568 AMAQI
19th Jul 2025579 AMAQI
19th Jul 20256010 AMAQI
19th Jul 20256211 AMAQI
19th Jul 20256712 PMAQI
19th Jul 2025631 PMAQI
19th Jul 2025582 PMAQI
19th Jul 2025523 PMAQI
19th Jul 2025404 PMAQI
19th Jul 2025405 PMAQI
19th Jul 2025386 PMAQI
19th Jul 2025387 PMAQI
19th Jul 2025428 PMAQI
19th Jul 2025449 PMAQI
19th Jul 20254510 PMAQI
19th Jul 20254611 PMAQI
20th Jul 20254412 AMAQI
20th Jul 2025481 AMAQI
20th Jul 2025472 AMAQI
20th Jul 2025483 AMAQI
20th Jul 2025514 AMAQI
28°C26/31°C
20th Jul 2025515 AMAQI
20th Jul 2025516 AMAQI
20th Jul 2025517 AMAQI
20th Jul 2025428 AMAQI
20th Jul 2025379 AMAQI
20th Jul 20254010 AMAQI
20th Jul 20254111 AMAQI
20th Jul 20255212 PMAQI
20th Jul 2025411 PMAQI
20th Jul 2025382 PMAQI
20th Jul 2025313 PMAQI
20th Jul 2025274 PMAQI
20th Jul 2025235 PMAQI
20th Jul 2025206 PMAQI
20th Jul 2025267 PMAQI
20th Jul 2025358 PMAQI
20th Jul 2025379 PMAQI
20th Jul 20253510 PMAQI
20th Jul 20253511 PMAQI
21st Jul 20253812 AMAQI
21st Jul 2025491 AMAQI
21st Jul 2025492 AMAQI
21st Jul 2025493 AMAQI
21st Jul 2025484 AMAQI
26°C25/28°C
21st Jul 2025485 AMAQI
21st Jul 2025486 AMAQI
21st Jul 2025487 AMAQI
21st Jul 2025268 AMAQI
21st Jul 2025199 AMAQI
21st Jul 20252010 AMAQI
21st Jul 20253411 AMAQI
21st Jul 20254912 PMAQI
21st Jul 2025481 PMAQI
21st Jul 2025382 PMAQI
21st Jul 2025323 PMAQI
21st Jul 2025284 PMAQI
21st Jul 2025325 PMAQI
21st Jul 2025286 PMAQI
21st Jul 2025327 PMAQI
21st Jul 2025388 PMAQI
21st Jul 2025449 PMAQI
21st Jul 20254310 PMAQI
21st Jul 20254811 PMAQI
22nd Jul 20254612 AMAQI
22nd Jul 2025461 AMAQI
22nd Jul 2025462 AMAQI
22nd Jul 2025463 AMAQI
22nd Jul 2025434 AMAQI
25°C24/27°C
22nd Jul 2025435 AMAQI
22nd Jul 2025446 AMAQI
22nd Jul 2025447 AMAQI
22nd Jul 2025358 AMAQI
22nd Jul 2025329 AMAQI
22nd Jul 20252610 AMAQI
22nd Jul 20252611 AMAQI
22nd Jul 20252712 PMAQI
22nd Jul 2025281 PMAQI
22nd Jul 2025302 PMAQI
22nd Jul 2025283 PMAQI
22nd Jul 2025284 PMAQI
22nd Jul 2025295 PMAQI
22nd Jul 2025296 PMAQI
22nd Jul 2025377 PMAQI
22nd Jul 2025398 PMAQI
22nd Jul 2025409 PMAQI
22nd Jul 20254110 PMAQI
22nd Jul 20254211 PMAQI
23rd Jul 20254512 AMAQI
23rd Jul 2025461 AMAQI
23rd Jul 2025452 AMAQI
23rd Jul 2025443 AMAQI
23rd Jul 2025424 AMAQI
28°C25/32°C
23rd Jul 2025425 AMAQI
23rd Jul 2025426 AMAQI
23rd Jul 2025427 AMAQI
23rd Jul 2025508 AMAQI
23rd Jul 2025559 AMAQI
23rd Jul 20255910 AMAQI
23rd Jul 20256211 AMAQI
23rd Jul 20256212 PMAQI
23rd Jul 2025651 PMAQI
23rd Jul 2025672 PMAQI
23rd Jul 2025653 PMAQI
23rd Jul 2025584 PMAQI
23rd Jul 2025535 PMAQI
23rd Jul 2025496 PMAQI
23rd Jul 2025477 PMAQI
23rd Jul 2025478 PMAQI
23rd Jul 2025499 PMAQI
23rd Jul 20254810 PMAQI
23rd Jul 20254711 PMAQI
24th Jul 20254612 AMAQI
24th Jul 2025441 AMAQI
24th Jul 2025442 AMAQI
24th Jul 2025463 AMAQI
24th Jul 2025494 AMAQI
30°C27/33°C
24th Jul 2025495 AMAQI
24th Jul 2025496 AMAQI
24th Jul 2025497 AMAQI
24th Jul 2025608 AMAQI
24th Jul 2025619 AMAQI
24th Jul 20255410 AMAQI
24th Jul 20255211 AMAQI
24th Jul 20254912 PMAQI
24th Jul 2025531 PMAQI
24th Jul 2025532 PMAQI
24th Jul 2025543 PMAQI
24th Jul 2025564 PMAQI
24th Jul 2025595 PMAQI
24th Jul 2025616 PMAQI
24th Jul 2025567 PMAQI
24th Jul 2025518 PMAQI
24th Jul 2025489 PMAQI
24th Jul 20254510 PMAQI
24th Jul 20254211 PMAQI
25th Jul 20254412 AMAQI
25th Jul 2025481 AMAQI
25th Jul 2025482 AMAQI
25th Jul 2025493 AMAQI
25th Jul 2025504 AMAQI
30°C27/34°C
25th Jul 2025515 AMAQI
25th Jul 2025516 AMAQI
25th Jul 2025517 AMAQI
25th Jul 2025408 AMAQI
25th Jul 2025359 AMAQI
25th Jul 20254210 AMAQI
25th Jul 20253411 AMAQI
25th Jul 20252912 PMAQI
25th Jul 2025301 PMAQI
25th Jul 2025302 PMAQI
25th Jul 2025363 PMAQI
25th Jul 2025414 PMAQI
25th Jul 2025385 PMAQI
25th Jul 2025346 PMAQI
25th Jul 2025337 PMAQI
25th Jul 2025428 PMAQI
25th Jul 2025459 PMAQI
25th Jul 20254010 PMAQI
25th Jul 20254011 PMAQI
26th Jul 20254112 AMAQI
26th Jul 2025481 AMAQI
26th Jul 2025482 AMAQI
26th Jul 2025493 AMAQI
26th Jul 2025474 AMAQI
30°C27/33°C
26th Jul 2025465 AMAQI
26th Jul 2025466 AMAQI
26th Jul 2025467 AMAQI
26th Jul 2025278 AMAQI
26th Jul 2025229 AMAQI
26th Jul 20252210 AMAQI
26th Jul 20252911 AMAQI
26th Jul 20253112 PMAQI
26th Jul 2025341 PMAQI
26th Jul 2025332 PMAQI
26th Jul 2025323 PMAQI
26th Jul 2025324 PMAQI
26th Jul 2025345 PMAQI
26th Jul 2025356 PMAQI
26th Jul 2025417 PMAQI
26th Jul 2025448 PMAQI
26th Jul 2025459 PMAQI
26th Jul 20254810 PMAQI
26th Jul 20254911 PMAQI
27th Jul 20254512 AMAQI
27th Jul 2025461 AMAQI
27th Jul 2025472 AMAQI
27th Jul 2025463 AMAQI
27th Jul 2025434 AMAQI
27°C25/28°C
27th Jul 2025435 AMAQI
27th Jul 2025436 AMAQI
27th Jul 2025447 AMAQI
27th Jul 2025388 AMAQI
27th Jul 2025379 AMAQI
27th Jul 20254110 AMAQI
27th Jul 20254211 AMAQI
27th Jul 20253512 PMAQI
27th Jul 2025361 PMAQI
27th Jul 2025382 PMAQI
27th Jul 2025363 PMAQI
27th Jul 2025354 PMAQI
27th Jul 2025375 PMAQI
27th Jul 2025386 PMAQI
27th Jul 2025407 PMAQI
27th Jul 2025438 PMAQI
27th Jul 2025429 PMAQI
27th Jul 20254110 PMAQI
27th Jul 20254011 PMAQI
28th Jul 20253912 AMAQI
28th Jul 2025461 AMAQI
28th Jul 2025462 AMAQI
28th Jul 2025453 AMAQI
28th Jul 2025444 AMAQI
29°C27/33°C
28th Jul 2025445 AMAQI
28th Jul 2025446 AMAQI
28th Jul 2025447 AMAQI
28th Jul 2025238 AMAQI
28th Jul 2025189 AMAQI
28th Jul 20251910 AMAQI
28th Jul 20252211 AMAQI
28th Jul 20252312 PMAQI
28th Jul 2025231 PMAQI
28th Jul 2025202 PMAQI
28th Jul 2025213 PMAQI
28th Jul 2025184 PMAQI
28th Jul 2025225 PMAQI
28th Jul 2025216 PMAQI
28th Jul 2025257 PMAQI
28th Jul 2025328 PMAQI
28th Jul 2025339 PMAQI
28th Jul 20253410 PMAQI
28th Jul 20253411 PMAQI
29th Jul 20253712 AMAQI
29th Jul 2025441 AMAQI
29th Jul 2025452 AMAQI
29th Jul 2025453 AMAQI
29th Jul 2025414 AMAQI
26°C26/27°C
29th Jul 2025415 AMAQI
29th Jul 2025416 AMAQI
29th Jul 2025407 AMAQI
29th Jul 2025248 AMAQI
29th Jul 2025199 AMAQI
29th Jul 20251910 AMAQI
29th Jul 20252011 AMAQI
29th Jul 20252112 PMAQI
29th Jul 2025231 PMAQI
29th Jul 2025252 PMAQI
29th Jul 2025303 PMAQI
29th Jul 2025324 PMAQI
29th Jul 2025315 PMAQI
29th Jul 2025326 PMAQI
29th Jul 2025377 PMAQI
29th Jul 2025408 PMAQI
29th Jul 2025409 PMAQI
29th Jul 20253910 PMAQI
29th Jul 20253911 PMAQI
30th Jul 20253912 AMAQI
30th Jul 2025421 AMAQI
30th Jul 2025422 AMAQI
30th Jul 2025413 AMAQI
30th Jul 2025384 AMAQI
26°C25/27°C
30th Jul 2025385 AMAQI
30th Jul 2025396 AMAQI
30th Jul 2025387 AMAQI
30th Jul 2025288 AMAQI
30th Jul 2025269 AMAQI
30th Jul 20252810 AMAQI
30th Jul 20254111 AMAQI
30th Jul 20254212 PMAQI
30th Jul 2025441 PMAQI
30th Jul 2025482 PMAQI
30th Jul 2025493 PMAQI
30th Jul 2025464 PMAQI
30th Jul 2025475 PMAQI
30th Jul 2025476 PMAQI
30th Jul 2025507 PMAQI
30th Jul 2025478 PMAQI
30th Jul 2025459 PMAQI
30th Jul 20254510 PMAQI
30th Jul 20254611 PMAQI
31st Jul 20254612 AMAQI
31st Jul 2025401 AMAQI
31st Jul 2025402 AMAQI
31st Jul 2025393 AMAQI
31st Jul 2025394 AMAQI
28°C25/31°C
31st Jul 2025395 AMAQI
31st Jul 2025396 AMAQI
31st Jul 2025397 AMAQI
31st Jul 2025398 AMAQI
31st Jul 2025399 AMAQI
31st Jul 20253910 AMAQI
31st Jul 20254011 AMAQI
31st Jul 20253912 PMAQI
31st Jul 2025401 PMAQI
31st Jul 2025412 PMAQI
31st Jul 2025443 PMAQI
31st Jul 2025364 PMAQI
31st Jul 2025365 PMAQI
31st Jul 2025386 PMAQI
31st Jul 2025407 PMAQI
31st Jul 2025518 PMAQI
31st Jul 2025489 PMAQI
31st Jul 20254810 PMAQI
31st Jul 20255111 PMAQI
1st Aug 20255012 AMAQI
1st Aug 2025481 AMAQI
1st Aug 2025482 AMAQI
1st Aug 2025413 AMAQI
1st Aug 2025424 AMAQI
29°C27/33°C
1st Aug 2025415 AMAQI
1st Aug 2025466 AMAQI
1st Aug 2025477 AMAQI
1st Aug 2025488 AMAQI
1st Aug 2025559 AMAQI
1st Aug 20255610 AMAQI
1st Aug 20256011 AMAQI
1st Aug 20255512 PMAQI
1st Aug 2025491 PMAQI
1st Aug 2025492 PMAQI
1st Aug 2025453 PMAQI
1st Aug 2025404 PMAQI
1st Aug 2025365 PMAQI
1st Aug 2025356 PMAQI
1st Aug 2025407 PMAQI
1st Aug 2025398 PMAQI
1st Aug 2025429 PMAQI
1st Aug 20254410 PMAQI
1st Aug 20254311 PMAQI
2nd Aug 20254912 AMAQI
2nd Aug 2025471 AMAQI
2nd Aug 2025462 AMAQI
2nd Aug 2025493 AMAQI
2nd Aug 2025484 AMAQI
29°C27/32°C
2nd Aug 2025495 AMAQI
2nd Aug 2025506 AMAQI
2nd Aug 2025487 AMAQI
2nd Aug 2025328 AMAQI
2nd Aug 2025369 AMAQI
2nd Aug 20254010 AMAQI
2nd Aug 20254311 AMAQI
2nd Aug 20254612 PMAQI
2nd Aug 2025501 PMAQI
2nd Aug 2025522 PMAQI
2nd Aug 2025503 PMAQI
2nd Aug 2025414 PMAQI
2nd Aug 2025345 PMAQI
2nd Aug 2025446 PMAQI
2nd Aug 2025437 PMAQI
2nd Aug 2025438 PMAQI
2nd Aug 2025429 PMAQI
2nd Aug 20254610 PMAQI
2nd Aug 20254711 PMAQI
--°C/°C
5 AM
11 AM
6 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 7 AM
43AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
8 AM - 10 AM
37AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 AM (Avg. 43), while the lowest AQI was between 8 AM to 10 AM (Avg. 37).
Night time
Avg. Highest Time
12 AM - 4 AM
43AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
7 PM - 11 PM
42AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 43), while the lowest AQI was between 7 PM to 11 PM (Avg. 42).
2025 Days Vs Air Quality
Yuanchang, Yunlin, Taiwan
2025
41%
87
59%
125
0.4%
1
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
87 DaysModerate
125 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 41%
Health Risk Level:
Significant
In 2025, 41% of 214 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
Yuanchang, 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.
1st January 2025
84AQI
84AQI
2nd January 2025
59AQI
59AQI
3rd January 2025
63AQI
63AQI
4th January 2025
60AQI
60AQI
5th January 2025
60AQI
60AQI
6th January 2025
77AQI
77AQI
7th January 2025
79AQI
79AQI
8th January 2025
61AQI
61AQI
9th January 2025
74AQI
74AQI
10th January 2025
61AQI
61AQI
11th January 2025
55AQI
55AQI
12th January 2025
56AQI
56AQI
13th January 2025
61AQI
61AQI
14th January 2025
81AQI
81AQI
15th January 2025
81AQI
81AQI
16th January 2025
63AQI
63AQI
17th January 2025
64AQI
64AQI
18th January 2025
65AQI
65AQI
19th January 2025
63AQI
63AQI
20th January 2025
74AQI
74AQI
21st January 2025
85AQI
85AQI
22nd January 2025
90AQI
90AQI
23rd January 2025
76AQI
76AQI
24th January 2025
75AQI
75AQI
25th January 2025
77AQI
77AQI
26th January 2025
65AQI
65AQI
27th January 2025
59AQI
59AQI
28th January 2025
61AQI
61AQI
29th January 2025
60AQI
60AQI
30th January 2025
76AQI
76AQI
31st January 2025
74AQI
74AQI
1st February 2025
63AQI
63AQI
2nd February 2025
56AQI
56AQI
3rd February 2025
57AQI
57AQI
4th February 2025
77AQI
77AQI
5th February 2025
65AQI
65AQI
6th February 2025
76AQI
76AQI
7th February 2025
61AQI
61AQI
8th February 2025
64AQI
64AQI
9th February 2025
50AQI
50AQI
10th February 2025
56AQI
56AQI
11th February 2025
64AQI
64AQI
12th February 2025
65AQI
65AQI
13th February 2025
56AQI
56AQI
14th February 2025
60AQI
60AQI
15th February 2025
58AQI
58AQI
16th February 2025
77AQI
77AQI
17th February 2025
96AQI
96AQI
18th February 2025
65AQI
65AQI
19th February 2025
70AQI
70AQI
20th February 2025
67AQI
67AQI
21st February 2025
50AQI
50AQI
22nd February 2025
55AQI
55AQI
23rd February 2025
44AQI
44AQI
24th February 2025
64AQI
64AQI
25th February 2025
76AQI
76AQI
26th February 2025
76AQI
76AQI
27th February 2025
110AQI
110AQI
28th February 2025
85AQI
85AQI
1st March 2025
83AQI
83AQI
2nd March 2025
77AQI
77AQI
3rd March 2025
64AQI
64AQI
4th March 2025
55AQI
55AQI
5th March 2025
45AQI
45AQI
6th March 2025
42AQI
42AQI
7th March 2025
56AQI
56AQI
8th March 2025
57AQI
57AQI
9th March 2025
60AQI
60AQI
10th March 2025
75AQI
75AQI
11th March 2025
91AQI
91AQI
12th March 2025
79AQI
79AQI
13th March 2025
66AQI
66AQI
14th March 2025
72AQI
72AQI
15th March 2025
64AQI
64AQI
16th March 2025
52AQI
52AQI
17th March 2025
76AQI
76AQI
18th March 2025
61AQI
61AQI
19th March 2025
74AQI
74AQI
20th March 2025
69AQI
69AQI
21st March 2025
71AQI
71AQI
22nd March 2025
77AQI
77AQI
23rd March 2025
75AQI
75AQI
24th March 2025
69AQI
69AQI
25th March 2025
64AQI
64AQI
26th March 2025
64AQI
64AQI
27th March 2025
59AQI
59AQI
28th March 2025
67AQI
67AQI
29th March 2025
49AQI
49AQI
30th March 2025
40AQI
40AQI
31st March 2025
36AQI
36AQI
1st April 2025
35AQI
35AQI
2nd April 2025
54AQI
54AQI
3rd April 2025
66AQI
66AQI
4th April 2025
75AQI
75AQI
5th April 2025
70AQI
70AQI
6th April 2025
65AQI
65AQI
7th April 2025
75AQI
75AQI
8th April 2025
75AQI
75AQI
9th April 2025
68AQI
68AQI
10th April 2025
67AQI
67AQI
11th April 2025
69AQI
69AQI
12th April 2025
56AQI
56AQI
13th April 2025
84AQI
84AQI
14th April 2025
74AQI
74AQI
15th April 2025
83AQI
83AQI
16th April 2025
78AQI
78AQI
17th April 2025
74AQI
74AQI
18th April 2025
63AQI
63AQI
19th April 2025
62AQI
62AQI
20th April 2025
58AQI
58AQI
21st April 2025
58AQI
58AQI
22nd April 2025
55AQI
55AQI
23rd April 2025
57AQI
57AQI
24th April 2025
58AQI
58AQI
25th April 2025
49AQI
49AQI
26th April 2025
61AQI
61AQI
27th April 2025
60AQI
60AQI
28th April 2025
58AQI
58AQI
29th April 2025
66AQI
66AQI
30th April 2025
63AQI
63AQI
1st May 2025
62AQI
62AQI
2nd May 2025
72AQI
72AQI
3rd May 2025
69AQI
69AQI
4th May 2025
71AQI
71AQI
5th May 2025
66AQI
66AQI
6th May 2025
63AQI
63AQI
7th May 2025
56AQI
56AQI
8th May 2025
58AQI
58AQI
9th May 2025
45AQI
45AQI
10th May 2025
36AQI
36AQI
11th May 2025
39AQI
39AQI
12th May 2025
49AQI
49AQI
13th May 2025
56AQI
56AQI
14th May 2025
56AQI
56AQI
15th May 2025
46AQI
46AQI
16th May 2025
49AQI
49AQI
17th May 2025
40AQI
40AQI
18th May 2025
36AQI
36AQI
19th May 2025
33AQI
33AQI
20th May 2025
33AQI
33AQI
21st May 2025
28AQI
28AQI
22nd May 2025
40AQI
40AQI
23rd May 2025
38AQI
38AQI
24th May 2025
42AQI
42AQI
25th May 2025
53AQI
53AQI
26th May 2025
52AQI
52AQI
27th May 2025
50AQI
50AQI
28th May 2025
56AQI
56AQI
29th May 2025
38AQI
38AQI
30th May 2025
52AQI
52AQI
31st May 2025
57AQI
57AQI
1st June 2025
51AQI
51AQI
2nd June 2025
40AQI
40AQI
3rd June 2025
35AQI
35AQI
4th June 2025
44AQI
44AQI
5th June 2025
34AQI
34AQI
6th June 2025
39AQI
39AQI
7th June 2025
30AQI
30AQI
8th June 2025
30AQI
30AQI
9th June 2025
29AQI
29AQI
10th June 2025
31AQI
31AQI
11th June 2025
40AQI
40AQI
12th June 2025
45AQI
45AQI
13th June 2025
29AQI
29AQI
14th June 2025
30AQI
30AQI
15th June 2025
35AQI
35AQI
16th June 2025
30AQI
30AQI
17th June 2025
30AQI
30AQI
18th June 2025
33AQI
33AQI
19th June 2025
32AQI
32AQI
20th June 2025
33AQI
33AQI
21st June 2025
28AQI
28AQI
22nd June 2025
21AQI
21AQI
23rd June 2025
22AQI
22AQI
24th June 2025
25AQI
25AQI
25th June 2025
27AQI
27AQI
26th June 2025
26AQI
26AQI
27th June 2025
25AQI
25AQI
28th June 2025
29AQI
29AQI
29th June 2025
30AQI
30AQI
30th June 2025
34AQI
34AQI
1st July 2025
35AQI
35AQI
2nd July 2025
40AQI
40AQI
3rd July 2025
41AQI
41AQI
4th July 2025
43AQI
43AQI
5th July 2025
37AQI
37AQI
6th July 2025
38AQI
38AQI
7th July 2025
33AQI
33AQI
8th July 2025
37AQI
37AQI
9th July 2025
38AQI
38AQI
10th July 2025
34AQI
34AQI
11th July 2025
36AQI
36AQI
12th July 2025
41AQI
41AQI
13th July 2025
44AQI
44AQI
14th July 2025
47AQI
47AQI
15th July 2025
43AQI
43AQI
16th July 2025
43AQI
43AQI
17th July 2025
46AQI
46AQI
18th July 2025
46AQI
46AQI
19th July 2025
48AQI
48AQI
20th July 2025
40AQI
40AQI
21st July 2025
40AQI
40AQI
22nd July 2025
38AQI
38AQI
23rd July 2025
50AQI
50AQI
24th July 2025
50AQI
50AQI
25th July 2025
42AQI
42AQI
26th July 2025
40AQI
40AQI
27th July 2025
41AQI
41AQI
28th July 2025
33AQI
33AQI
29th July 2025
35AQI
35AQI
30th July 2025
42AQI
42AQI
31st July 2025
42AQI
42AQI
1st August 2025
47AQI
47AQI
69AQI
67AQI
64AQI
65AQI
50AQI
32AQI
41AQI
47AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202555AQI
31
3
24
1
5
26
2
28
16
15
29
1
31
1
87
125
1
Highest AQI recorded in
January69AQI
Lowest AQI recorded in
June32AQI
202456AQI
2
23
6
7
20
2
2
26
3
6
24
7
24
29
31
26
5
15
15
9
22
14
16
3
28
151
203
11
Highest AQI recorded in
January82AQI
Lowest AQI recorded in
July31AQI
202360AQI
28
3
24
4
1
23
7
26
4
7
22
2
25
5
29
2
30
1
14
16
9
22
3
26
9
19
3
127
214
23
Highest AQI recorded in
April81AQI
Lowest AQI recorded in
July32AQI
202254AQI
5
24
1
10
10
1
6
19
6
8
21
1
17
14
29
1
24
1
6
23
13
18
7
22
1
18
13
144
165
10
Highest AQI recorded in
March80AQI
Lowest AQI recorded in
July27AQI
202162AQI
3
21
5
1
16
11
1
21
9
1
29
23
8
30
27
4
25
6
10
20
6
24
1
3
27
4
25
2
134
201
28
Highest AQI recorded in
February96AQI
Lowest AQI recorded in
June33AQI
202052AQI
1
12
2
16
3
15
3
29
1
29
2
27
4
7
23
2
29
4
24
2
15
14
2
131
128
7
Highest AQI recorded in
April74AQI
Lowest AQI recorded in
July28AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
62AQILeast Polluted Year Recorded
2020(Avg.)
52AQIYuanchang's annual 2025 AQI (55) shows an average percentage change of -2.6% (improved AQI) compared to previous years: 2020 (52), 2021 (62), 2022 (54), 2023 (60), 2024 (56).
