Centraltaichung Cityhouli, Taichung, Taichung, 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
Centraltaichung Cityhouli, Taichung, Taichung, Taiwan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
29th Aug 2021
83AQILowest AQI recorded on
19th Aug 2024
22AQISame Day Analysis (20th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 41 of Good air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 21st Aug - 22nd Aug 2025
Centraltaichung Cityhouli, Taichung, Taichung, Taiwan
AQI
Day
Night
.
5 AM21st Aug 2025
6 PM
4 AM22nd Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
7PM21st Aug
47AQI
Avg. Lowest Time
2PM21st Aug
31AQI
In the last 24 hours,
Centraltaichung Cityhouli's AQI reached its highest point of 47 at 7 PM during the Night, while the lowest point, 31, was recorded at 2 PM during the Night between 21st Aug and 22nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Centraltaichung Cityhouli, Taichung, Taichung, Taiwan
JulAug
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 Jul 2025405 AMAQI
23rd Jul 2025416 AMAQI
23rd Jul 2025407 AMAQI
23rd Jul 2025398 AMAQI
23rd Jul 2025389 AMAQI
23rd Jul 20254610 AMAQI
23rd Jul 20255011 AMAQI
23rd Jul 20255512 PMAQI
23rd Jul 2025581 PMAQI
23rd Jul 2025562 PMAQI
23rd Jul 2025563 PMAQI
23rd Jul 2025644 PMAQI
23rd Jul 2025615 PMAQI
23rd Jul 2025586 PMAQI
23rd Jul 2025557 PMAQI
23rd Jul 2025508 PMAQI
23rd Jul 2025549 PMAQI
23rd Jul 20255610 PMAQI
23rd Jul 20255711 PMAQI
24th Jul 20255612 AMAQI
24th Jul 2025421 AMAQI
24th Jul 2025422 AMAQI
24th Jul 2025443 AMAQI
24th Jul 2025464 AMAQI
28°C26/31°C
24th Jul 2025455 AMAQI
24th Jul 2025466 AMAQI
24th Jul 2025457 AMAQI
24th Jul 2025568 AMAQI
24th Jul 2025589 AMAQI
24th Jul 20255310 AMAQI
24th Jul 20256211 AMAQI
24th Jul 20256012 PMAQI
24th Jul 2025481 PMAQI
24th Jul 2025342 PMAQI
24th Jul 2025323 PMAQI
24th Jul 2025344 PMAQI
24th Jul 2025385 PMAQI
24th Jul 2025376 PMAQI
24th Jul 2025387 PMAQI
24th Jul 2025398 PMAQI
24th Jul 2025369 PMAQI
24th Jul 20253610 PMAQI
24th Jul 20253911 PMAQI
25th Jul 20254012 AMAQI
25th Jul 2025471 AMAQI
25th Jul 2025472 AMAQI
25th Jul 2025473 AMAQI
25th Jul 2025484 AMAQI
28°C25/32°C
25th Jul 2025485 AMAQI
25th Jul 2025476 AMAQI
25th Jul 2025487 AMAQI
25th Jul 2025408 AMAQI
25th Jul 2025409 AMAQI
25th Jul 20252810 AMAQI
25th Jul 20252811 AMAQI
25th Jul 20252612 PMAQI
25th Jul 2025241 PMAQI
25th Jul 2025182 PMAQI
25th Jul 2025233 PMAQI
25th Jul 2025334 PMAQI
25th Jul 2025405 PMAQI
25th Jul 2025306 PMAQI
25th Jul 2025317 PMAQI
25th Jul 2025388 PMAQI
25th Jul 2025389 PMAQI
25th Jul 20253610 PMAQI
25th Jul 20253811 PMAQI
26th Jul 20253412 AMAQI
26th Jul 2025461 AMAQI
26th Jul 2025462 AMAQI
26th Jul 2025443 AMAQI
26th Jul 2025424 AMAQI
27°C25/29°C
26th Jul 2025425 AMAQI
26th Jul 2025426 AMAQI
26th Jul 2025427 AMAQI
26th Jul 2025268 AMAQI
26th Jul 2025269 AMAQI
26th Jul 20253010 AMAQI
26th Jul 20253011 AMAQI
26th Jul 20252812 PMAQI
26th Jul 2025281 PMAQI
26th Jul 2025282 PMAQI
26th Jul 2025223 PMAQI
26th Jul 2025254 PMAQI
26th Jul 2025255 PMAQI
26th Jul 2025256 PMAQI
26th Jul 2025327 PMAQI
26th Jul 2025378 PMAQI
26th Jul 2025399 PMAQI
26th Jul 20254110 PMAQI
26th Jul 20254111 PMAQI
27th Jul 20254112 AMAQI
27th Jul 2025421 AMAQI
27th Jul 2025412 AMAQI
27th Jul 2025403 AMAQI
27th Jul 2025394 AMAQI
26°C25/26°C
27th Jul 2025385 AMAQI
27th Jul 2025386 AMAQI
27th Jul 2025377 AMAQI
27th Jul 2025388 AMAQI
27th Jul 2025469 AMAQI
27th Jul 20254010 AMAQI
27th Jul 20253811 AMAQI
27th Jul 20253412 PMAQI
27th Jul 2025411 PMAQI
27th Jul 2025402 PMAQI
27th Jul 2025363 PMAQI
27th Jul 2025384 PMAQI
27th Jul 2025455 PMAQI
27th Jul 2025516 PMAQI
27th Jul 2025467 PMAQI
27th Jul 2025438 PMAQI
27th Jul 2025419 PMAQI
27th Jul 20253810 PMAQI
27th Jul 20253611 PMAQI
28th Jul 20254012 AMAQI
28th Jul 2025391 AMAQI
28th Jul 2025402 AMAQI
28th Jul 2025393 AMAQI
28th Jul 2025404 AMAQI
27°C26/28°C
28th Jul 2025405 AMAQI
28th Jul 2025406 AMAQI
28th Jul 2025407 AMAQI
28th Jul 2025228 AMAQI
28th Jul 2025189 AMAQI
28th Jul 20252210 AMAQI
28th Jul 20252011 AMAQI
28th Jul 20252212 PMAQI
28th Jul 2025261 PMAQI
28th Jul 2025232 PMAQI
28th Jul 2025193 PMAQI
28th Jul 2025234 PMAQI
28th Jul 2025275 PMAQI
28th Jul 2025276 PMAQI
28th Jul 2025277 PMAQI
28th Jul 2025328 PMAQI
28th Jul 2025319 PMAQI
28th Jul 20253110 PMAQI
28th Jul 20252811 PMAQI
29th Jul 20252812 AMAQI
29th Jul 2025411 AMAQI
29th Jul 2025402 AMAQI
29th Jul 2025403 AMAQI
29th Jul 2025384 AMAQI
27°C25/28°C
29th Jul 2025375 AMAQI
29th Jul 2025366 AMAQI
29th Jul 2025367 AMAQI
29th Jul 2025238 AMAQI
29th Jul 2025179 AMAQI
29th Jul 20252010 AMAQI
29th Jul 20252211 AMAQI
29th Jul 20252212 PMAQI
29th Jul 2025241 PMAQI
29th Jul 2025232 PMAQI
29th Jul 2025343 PMAQI
29th Jul 2025404 PMAQI
29th Jul 2025405 PMAQI
29th Jul 2025406 PMAQI
29th Jul 2025467 PMAQI
29th Jul 2025428 PMAQI
29th Jul 2025399 PMAQI
29th Jul 20253610 PMAQI
29th Jul 20253111 PMAQI
30th Jul 20253412 AMAQI
30th Jul 2025391 AMAQI
30th Jul 2025382 AMAQI
30th Jul 2025373 AMAQI
30th Jul 2025364 AMAQI
27°C25/29°C
30th Jul 2025355 AMAQI
30th Jul 2025366 AMAQI
30th Jul 2025357 AMAQI
30th Jul 2025258 AMAQI
30th Jul 2025309 AMAQI
30th Jul 20253910 AMAQI
30th Jul 20252011 AMAQI
30th Jul 20252112 PMAQI
30th Jul 2025221 PMAQI
30th Jul 2025232 PMAQI
30th Jul 2025243 PMAQI
30th Jul 2025264 PMAQI
30th Jul 2025315 PMAQI
30th Jul 2025326 PMAQI
30th Jul 2025307 PMAQI
30th Jul 2025348 PMAQI
30th Jul 2025349 PMAQI
30th Jul 20253310 PMAQI
30th Jul 20253411 PMAQI
31st Jul 20254012 AMAQI
31st Jul 2025371 AMAQI
31st Jul 2025362 AMAQI
31st Jul 2025363 AMAQI
31st Jul 2025364 AMAQI
28°C25/31°C
31st Jul 2025365 AMAQI
31st Jul 2025366 AMAQI
31st Jul 2025367 AMAQI
31st Jul 2025368 AMAQI
31st Jul 2025369 AMAQI
31st Jul 20252610 AMAQI
31st Jul 20251911 AMAQI
31st Jul 20252012 PMAQI
31st Jul 2025201 PMAQI
31st Jul 2025242 PMAQI
31st Jul 2025273 PMAQI
31st Jul 2025244 PMAQI
31st Jul 2025225 PMAQI
31st Jul 2025246 PMAQI
31st Jul 2025367 PMAQI
31st Jul 2025428 PMAQI
31st Jul 2025409 PMAQI
31st Jul 20254910 PMAQI
31st Jul 20254611 PMAQI
1st Aug 20254512 AMAQI
1st Aug 2025421 AMAQI
1st Aug 2025482 AMAQI
1st Aug 2025363 AMAQI
1st Aug 2025374 AMAQI
28°C25/31°C
1st Aug 2025365 AMAQI
1st Aug 2025406 AMAQI
1st Aug 2025487 AMAQI
1st Aug 2025458 AMAQI
1st Aug 2025469 AMAQI
1st Aug 20255210 AMAQI
1st Aug 20255611 AMAQI
1st Aug 20255412 PMAQI
1st Aug 2025381 PMAQI
1st Aug 2025372 PMAQI
1st Aug 2025453 PMAQI
1st Aug 2025524 PMAQI
1st Aug 2025505 PMAQI
1st Aug 2025356 PMAQI
1st Aug 2025407 PMAQI
1st Aug 2025438 PMAQI
1st Aug 2025449 PMAQI
1st Aug 20254710 PMAQI
1st Aug 20254611 PMAQI
2nd Aug 20254212 AMAQI
2nd Aug 2025441 AMAQI
2nd Aug 2025452 AMAQI
2nd Aug 2025483 AMAQI
2nd Aug 2025474 AMAQI
28°C26/31°C
2nd Aug 2025485 AMAQI
2nd Aug 2025476 AMAQI
2nd Aug 2025487 AMAQI
2nd Aug 2025368 AMAQI
2nd Aug 2025439 AMAQI
2nd Aug 20254210 AMAQI
2nd Aug 20254311 AMAQI
2nd Aug 20253812 PMAQI
2nd Aug 2025391 PMAQI
2nd Aug 2025382 PMAQI
2nd Aug 2025363 PMAQI
2nd Aug 2025394 PMAQI
2nd Aug 2025295 PMAQI
2nd Aug 2025386 PMAQI
2nd Aug 2025357 PMAQI
2nd Aug 2025408 PMAQI
2nd Aug 2025439 PMAQI
2nd Aug 20253810 PMAQI
2nd Aug 20254111 PMAQI
3rd Aug 20254412 AMAQI
3rd Aug 2025481 AMAQI
3rd Aug 2025482 AMAQI
3rd Aug 2025483 AMAQI
3rd Aug 2025484 AMAQI
28°C26/31°C
3rd Aug 2025475 AMAQI
3rd Aug 2025466 AMAQI
3rd Aug 2025457 AMAQI
3rd Aug 2025488 AMAQI
3rd Aug 2025439 AMAQI
3rd Aug 20253310 AMAQI
3rd Aug 20254011 AMAQI
3rd Aug 20253812 PMAQI
3rd Aug 2025371 PMAQI
3rd Aug 2025362 PMAQI
3rd Aug 2025323 PMAQI
3rd Aug 2025424 PMAQI
3rd Aug 2025275 PMAQI
3rd Aug 2025246 PMAQI
3rd Aug 2025397 PMAQI
3rd Aug 2025418 PMAQI
3rd Aug 2025469 PMAQI
3rd Aug 20254410 PMAQI
3rd Aug 20254911 PMAQI
4th Aug 20254412 AMAQI
4th Aug 2025511 AMAQI
4th Aug 2025512 AMAQI
4th Aug 2025493 AMAQI
4th Aug 2025504 AMAQI
27°C25/30°C
4th Aug 2025495 AMAQI
4th Aug 2025486 AMAQI
4th Aug 2025477 AMAQI
4th Aug 2025348 AMAQI
4th Aug 2025349 AMAQI
4th Aug 20253610 AMAQI
4th Aug 20253511 AMAQI
4th Aug 20254112 PMAQI
4th Aug 2025361 PMAQI
4th Aug 2025342 PMAQI
4th Aug 2025383 PMAQI
4th Aug 2025504 PMAQI
4th Aug 2025545 PMAQI
4th Aug 2025526 PMAQI
4th Aug 2025517 PMAQI
4th Aug 2025518 PMAQI
4th Aug 2025509 PMAQI
4th Aug 20254610 PMAQI
4th Aug 20254711 PMAQI
5th Aug 20254912 AMAQI
5th Aug 2025481 AMAQI
5th Aug 2025532 AMAQI
5th Aug 2025493 AMAQI
5th Aug 2025484 AMAQI
26°C25/27°C
5th Aug 2025505 AMAQI
5th Aug 2025506 AMAQI
5th Aug 2025517 AMAQI
5th Aug 2025428 AMAQI
5th Aug 2025369 AMAQI
5th Aug 20253910 AMAQI
5th Aug 20254611 AMAQI
5th Aug 20254212 PMAQI
5th Aug 2025491 PMAQI
5th Aug 2025542 PMAQI
5th Aug 2025523 PMAQI
5th Aug 2025474 PMAQI
5th Aug 2025525 PMAQI
5th Aug 2025456 PMAQI
5th Aug 2025467 PMAQI
5th Aug 2025498 PMAQI
5th Aug 2025519 PMAQI
5th Aug 20254710 PMAQI
5th Aug 20254611 PMAQI
6th Aug 20255012 AMAQI
6th Aug 2025481 AMAQI
6th Aug 2025482 AMAQI
6th Aug 2025473 AMAQI
6th Aug 2025484 AMAQI
26°C24/27°C
6th Aug 2025485 AMAQI
6th Aug 2025516 AMAQI
6th Aug 2025487 AMAQI
6th Aug 2025468 AMAQI
6th Aug 2025529 AMAQI
6th Aug 20255010 AMAQI
6th Aug 20254811 AMAQI
6th Aug 20254412 PMAQI
6th Aug 2025461 PMAQI
6th Aug 2025502 PMAQI
6th Aug 2025503 PMAQI
6th Aug 2025524 PMAQI
6th Aug 2025525 PMAQI
6th Aug 2025466 PMAQI
6th Aug 2025447 PMAQI
6th Aug 2025508 PMAQI
6th Aug 2025519 PMAQI
6th Aug 20255210 PMAQI
6th Aug 20255311 PMAQI
7th Aug 20255112 AMAQI
7th Aug 2025511 AMAQI
7th Aug 2025502 AMAQI
7th Aug 2025493 AMAQI
7th Aug 2025514 AMAQI
28°C26/31°C
7th Aug 2025485 AMAQI
7th Aug 2025496 AMAQI
7th Aug 2025517 AMAQI
7th Aug 2025468 AMAQI
7th Aug 2025509 AMAQI
7th Aug 20254910 AMAQI
7th Aug 20254511 AMAQI
7th Aug 20254712 PMAQI
7th Aug 2025481 PMAQI
7th Aug 2025602 PMAQI
7th Aug 2025603 PMAQI
7th Aug 2025644 PMAQI
7th Aug 2025635 PMAQI
7th Aug 2025546 PMAQI
7th Aug 2025547 PMAQI
7th Aug 2025508 PMAQI
7th Aug 2025529 PMAQI
7th Aug 20255210 PMAQI
7th Aug 20255311 PMAQI
8th Aug 20255212 AMAQI
8th Aug 2025501 AMAQI
8th Aug 2025502 AMAQI
8th Aug 2025513 AMAQI
8th Aug 2025514 AMAQI
28°C25/31°C
8th Aug 2025515 AMAQI
8th Aug 2025516 AMAQI
8th Aug 2025517 AMAQI
8th Aug 2025568 AMAQI
8th Aug 2025549 AMAQI
8th Aug 20255310 AMAQI
8th Aug 20255811 AMAQI
8th Aug 20256112 PMAQI
8th Aug 2025781 PMAQI
8th Aug 2025822 PMAQI
8th Aug 2025703 PMAQI
8th Aug 2025554 PMAQI
8th Aug 2025485 PMAQI
8th Aug 2025556 PMAQI
8th Aug 2025527 PMAQI
8th Aug 2025518 PMAQI
8th Aug 2025509 PMAQI
8th Aug 20255310 PMAQI
8th Aug 20255411 PMAQI
9th Aug 20255512 AMAQI
9th Aug 2025511 AMAQI
9th Aug 2025512 AMAQI
9th Aug 2025523 AMAQI
9th Aug 2025544 AMAQI
28°C26/31°C
9th Aug 2025545 AMAQI
9th Aug 2025546 AMAQI
9th Aug 2025547 AMAQI
9th Aug 2025518 AMAQI
9th Aug 2025559 AMAQI
9th Aug 20255410 AMAQI
9th Aug 20255711 AMAQI
9th Aug 20255812 PMAQI
9th Aug 2025621 PMAQI
9th Aug 2025552 PMAQI
9th Aug 2025593 PMAQI
9th Aug 2025544 PMAQI
9th Aug 2025535 PMAQI
9th Aug 2025406 PMAQI
9th Aug 2025387 PMAQI
9th Aug 2025458 PMAQI
9th Aug 2025459 PMAQI
9th Aug 20254410 PMAQI
9th Aug 20254311 PMAQI
10th Aug 20254512 AMAQI
10th Aug 2025531 AMAQI
10th Aug 2025532 AMAQI
10th Aug 2025543 AMAQI
10th Aug 2025544 AMAQI
28°C26/31°C
10th Aug 2025545 AMAQI
10th Aug 2025546 AMAQI
10th Aug 2025547 AMAQI
10th Aug 2025418 AMAQI
10th Aug 2025309 AMAQI
10th Aug 20252710 AMAQI
10th Aug 20252811 AMAQI
10th Aug 20253412 PMAQI
10th Aug 2025381 PMAQI
10th Aug 2025392 PMAQI
10th Aug 2025443 PMAQI
10th Aug 2025334 PMAQI
10th Aug 2025285 PMAQI
10th Aug 2025306 PMAQI
10th Aug 2025357 PMAQI
10th Aug 2025428 PMAQI
10th Aug 2025439 PMAQI
10th Aug 20254510 PMAQI
10th Aug 20254811 PMAQI
11th Aug 20254212 AMAQI
11th Aug 2025521 AMAQI
11th Aug 2025522 AMAQI
11th Aug 2025513 AMAQI
11th Aug 2025484 AMAQI
28°C26/31°C
11th Aug 2025485 AMAQI
11th Aug 2025486 AMAQI
11th Aug 2025487 AMAQI
11th Aug 2025328 AMAQI
11th Aug 2025269 AMAQI
11th Aug 20252710 AMAQI
11th Aug 20253611 AMAQI
11th Aug 20253112 PMAQI
11th Aug 2025341 PMAQI
11th Aug 2025332 PMAQI
11th Aug 2025383 PMAQI
11th Aug 2025324 PMAQI
11th Aug 2025335 PMAQI
11th Aug 2025326 PMAQI
11th Aug 2025407 PMAQI
11th Aug 2025448 PMAQI
11th Aug 2025449 PMAQI
11th Aug 20254910 PMAQI
11th Aug 20253811 PMAQI
12th Aug 20255112 AMAQI
12th Aug 2025521 AMAQI
12th Aug 2025522 AMAQI
12th Aug 2025463 AMAQI
12th Aug 2025484 AMAQI
28°C26/30°C
12th Aug 2025505 AMAQI
12th Aug 2025486 AMAQI
12th Aug 2025487 AMAQI
12th Aug 2025498 AMAQI
12th Aug 2025579 AMAQI
12th Aug 20255610 AMAQI
12th Aug 20255611 AMAQI
12th Aug 20255712 PMAQI
12th Aug 2025541 PMAQI
12th Aug 2025502 PMAQI
12th Aug 2025543 PMAQI
12th Aug 2025544 PMAQI
12th Aug 2025505 PMAQI
12th Aug 2025466 PMAQI
12th Aug 2025497 PMAQI
12th Aug 2025518 PMAQI
12th Aug 2025529 PMAQI
12th Aug 20255010 PMAQI
12th Aug 20254311 PMAQI
13th Aug 20254812 AMAQI
13th Aug 2025521 AMAQI
13th Aug 2025512 AMAQI
13th Aug 2025503 AMAQI
13th Aug 2025524 AMAQI
28°C26/31°C
13th Aug 2025525 AMAQI
13th Aug 2025526 AMAQI
13th Aug 2025517 AMAQI
13th Aug 2025408 AMAQI
13th Aug 2025399 AMAQI
13th Aug 20253910 AMAQI
13th Aug 20253911 AMAQI
13th Aug 20253012 PMAQI
13th Aug 2025281 PMAQI
13th Aug 2025342 PMAQI
13th Aug 2025463 PMAQI
13th Aug 2025424 PMAQI
13th Aug 2025435 PMAQI
13th Aug 2025306 PMAQI
13th Aug 2025377 PMAQI
13th Aug 2025408 PMAQI
13th Aug 2025389 PMAQI
13th Aug 20254210 PMAQI
13th Aug 20254211 PMAQI
14th Aug 20254612 AMAQI
14th Aug 2025521 AMAQI
14th Aug 2025512 AMAQI
14th Aug 2025463 AMAQI
14th Aug 2025474 AMAQI
29°C25/34°C
14th Aug 2025485 AMAQI
14th Aug 2025466 AMAQI
14th Aug 2025477 AMAQI
14th Aug 2025328 AMAQI
14th Aug 2025279 AMAQI
14th Aug 20253010 AMAQI
14th Aug 20253811 AMAQI
14th Aug 20253712 PMAQI
14th Aug 2025341 PMAQI
14th Aug 2025292 PMAQI
14th Aug 2025323 PMAQI
14th Aug 2025364 PMAQI
14th Aug 2025355 PMAQI
14th Aug 2025406 PMAQI
14th Aug 2025437 PMAQI
14th Aug 2025448 PMAQI
14th Aug 2025419 PMAQI
14th Aug 20254610 PMAQI
14th Aug 20254111 PMAQI
15th Aug 20254612 AMAQI
15th Aug 2025501 AMAQI
15th Aug 2025482 AMAQI
15th Aug 2025443 AMAQI
15th Aug 2025434 AMAQI
28°C26/31°C
15th Aug 2025435 AMAQI
15th Aug 2025446 AMAQI
15th Aug 2025437 AMAQI
15th Aug 2025268 AMAQI
15th Aug 2025369 AMAQI
15th Aug 20252810 AMAQI
15th Aug 20253211 AMAQI
15th Aug 20252912 PMAQI
15th Aug 2025301 PMAQI
15th Aug 2025282 PMAQI
15th Aug 2025253 PMAQI
15th Aug 2025374 PMAQI
15th Aug 2025365 PMAQI
15th Aug 2025326 PMAQI
15th Aug 2025427 PMAQI
15th Aug 2025488 PMAQI
15th Aug 2025499 PMAQI
15th Aug 20255210 PMAQI
15th Aug 20254411 PMAQI
16th Aug 20254812 AMAQI
16th Aug 2025461 AMAQI
16th Aug 2025472 AMAQI
16th Aug 2025463 AMAQI
16th Aug 2025424 AMAQI
28°C25/31°C
16th Aug 2025425 AMAQI
16th Aug 2025446 AMAQI
16th Aug 2025417 AMAQI
16th Aug 2025378 AMAQI
16th Aug 2025329 AMAQI
16th Aug 20254410 AMAQI
16th Aug 20254111 AMAQI
16th Aug 20253612 PMAQI
16th Aug 2025381 PMAQI
16th Aug 2025282 PMAQI
16th Aug 2025343 PMAQI
16th Aug 2025334 PMAQI
16th Aug 2025455 PMAQI
16th Aug 2025396 PMAQI
16th Aug 2025517 PMAQI
16th Aug 2025498 PMAQI
16th Aug 2025479 PMAQI
16th Aug 20254810 PMAQI
16th Aug 20254711 PMAQI
17th Aug 20255112 AMAQI
17th Aug 2025461 AMAQI
17th Aug 2025442 AMAQI
17th Aug 2025423 AMAQI
17th Aug 2025444 AMAQI
28°C26/31°C
17th Aug 2025425 AMAQI
17th Aug 2025406 AMAQI
17th Aug 2025417 AMAQI
17th Aug 2025438 AMAQI
17th Aug 2025449 AMAQI
17th Aug 20254210 AMAQI
17th Aug 20254611 AMAQI
17th Aug 20253812 PMAQI
17th Aug 2025461 PMAQI
17th Aug 2025432 PMAQI
17th Aug 2025463 PMAQI
17th Aug 2025354 PMAQI
17th Aug 2025375 PMAQI
17th Aug 2025386 PMAQI
17th Aug 2025477 PMAQI
17th Aug 2025448 PMAQI
17th Aug 2025459 PMAQI
17th Aug 20254210 PMAQI
17th Aug 20254411 PMAQI
18th Aug 20254312 AMAQI
18th Aug 2025441 AMAQI
18th Aug 2025432 AMAQI
18th Aug 2025443 AMAQI
18th Aug 2025434 AMAQI
28°C25/31°C
18th Aug 2025445 AMAQI
18th Aug 2025426 AMAQI
18th Aug 2025437 AMAQI
18th Aug 2025478 AMAQI
18th Aug 2025459 AMAQI
18th Aug 20255010 AMAQI
18th Aug 20254411 AMAQI
18th Aug 20254212 PMAQI
18th Aug 2025481 PMAQI
18th Aug 2025402 PMAQI
18th Aug 2025433 PMAQI
18th Aug 2025404 PMAQI
18th Aug 2025425 PMAQI
18th Aug 2025436 PMAQI
18th Aug 2025437 PMAQI
18th Aug 2025468 PMAQI
18th Aug 2025479 PMAQI
18th Aug 20254810 PMAQI
18th Aug 20254811 PMAQI
19th Aug 20254612 AMAQI
19th Aug 2025441 AMAQI
19th Aug 2025422 AMAQI
19th Aug 2025443 AMAQI
19th Aug 2025444 AMAQI
28°C25/31°C
19th Aug 2025435 AMAQI
19th Aug 2025446 AMAQI
19th Aug 2025437 AMAQI
19th Aug 2025398 AMAQI
19th Aug 2025429 AMAQI
19th Aug 20255310 AMAQI
19th Aug 20255211 AMAQI
19th Aug 20254512 PMAQI
19th Aug 2025391 PMAQI
19th Aug 2025362 PMAQI
19th Aug 2025423 PMAQI
19th Aug 2025414 PMAQI
19th Aug 2025505 PMAQI
19th Aug 2025416 PMAQI
19th Aug 2025477 PMAQI
19th Aug 2025468 PMAQI
19th Aug 2025429 PMAQI
19th Aug 20254310 PMAQI
19th Aug 20254111 PMAQI
20th Aug 20254412 AMAQI
20th Aug 2025461 AMAQI
20th Aug 2025462 AMAQI
20th Aug 2025473 AMAQI
20th Aug 2025454 AMAQI
28°C25/30°C
20th Aug 2025455 AMAQI
20th Aug 2025466 AMAQI
20th Aug 2025467 AMAQI
20th Aug 2025408 AMAQI
20th Aug 2025349 AMAQI
20th Aug 20254510 AMAQI
20th Aug 20253411 AMAQI
20th Aug 20253312 PMAQI
20th Aug 2025351 PMAQI
20th Aug 2025332 PMAQI
20th Aug 2025423 PMAQI
20th Aug 2025334 PMAQI
20th Aug 2025345 PMAQI
20th Aug 2025286 PMAQI
20th Aug 2025367 PMAQI
20th Aug 2025468 PMAQI
20th Aug 2025449 PMAQI
20th Aug 20254110 PMAQI
20th Aug 20254011 PMAQI
21st Aug 20254312 AMAQI
21st Aug 2025461 AMAQI
21st Aug 2025452 AMAQI
21st Aug 2025453 AMAQI
21st Aug 2025444 AMAQI
28°C26/31°C
21st Aug 2025445 AMAQI
21st Aug 2025456 AMAQI
21st Aug 2025467 AMAQI
21st Aug 2025448 AMAQI
21st Aug 2025459 AMAQI
21st Aug 20254110 AMAQI
21st Aug 20254611 AMAQI
21st Aug 20253412 PMAQI
21st Aug 2025381 PMAQI
21st Aug 2025312 PMAQI
21st Aug 2025343 PMAQI
21st Aug 2025404 PMAQI
21st Aug 2025425 PMAQI
21st Aug 2025446 PMAQI
21st Aug 2025477 PMAQI
21st Aug 2025428 PMAQI
21st Aug 2025449 PMAQI
21st Aug 20254610 PMAQI
21st Aug 20254311 PMAQI
22nd Aug 20254412 AMAQI
22nd Aug 2025461 AMAQI
22nd Aug 2025462 AMAQI
22nd Aug 2025443 AMAQI
22nd Aug 2025444 AMAQI
--°C/°C
22nd Aug 2025445 AMAQI
5 AM11 AM
6 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 7 AM
45AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
2 PM
38AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 AM (Avg. 45), while the lowest AQI was between 2 PM to 2 PM (Avg. 38).
Night time
Avg. Highest Time
12 AM - 4 AM
45AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
7 PM
42AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 45), while the lowest AQI was between 7 PM to 7 PM (Avg. 42).
2025 Days Vs Air Quality
Centraltaichung Cityhouli, Taichung, Taichung, Taiwan
2025
47%
109
53%
123
Total number of days with different AQI categories in last 233 days in 2025 (132 days remaining)
Good
109 DaysModerate
123 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 47%
Health Risk Level:
Significant
In 2025, 47% of 233 days were within WHO’s safe air quality limits, and 53% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Centraltaichung Cityhouli, Taichung, Taichung, 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
85AQI
85AQI
2nd January 2025
56AQI
56AQI
3rd January 2025
60AQI
60AQI
4th January 2025
59AQI
59AQI
5th January 2025
68AQI
68AQI
6th January 2025
73AQI
73AQI
7th January 2025
68AQI
68AQI
8th January 2025
69AQI
69AQI
9th January 2025
66AQI
66AQI
10th January 2025
56AQI
56AQI
11th January 2025
48AQI
48AQI
12th January 2025
54AQI
54AQI
13th January 2025
57AQI
57AQI
14th January 2025
74AQI
74AQI
15th January 2025
73AQI
73AQI
16th January 2025
62AQI
62AQI
17th January 2025
54AQI
54AQI
18th January 2025
68AQI
68AQI
19th January 2025
56AQI
56AQI
20th January 2025
63AQI
63AQI
21st January 2025
70AQI
70AQI
22nd January 2025
90AQI
90AQI
23rd January 2025
64AQI
64AQI
24th January 2025
68AQI
68AQI
25th January 2025
61AQI
61AQI
26th January 2025
59AQI
59AQI
27th January 2025
50AQI
50AQI
28th January 2025
55AQI
55AQI
29th January 2025
55AQI
55AQI
30th January 2025
61AQI
61AQI
31st January 2025
67AQI
67AQI
1st February 2025
45AQI
45AQI
2nd February 2025
41AQI
41AQI
3rd February 2025
42AQI
42AQI
4th February 2025
68AQI
68AQI
5th February 2025
62AQI
62AQI
6th February 2025
78AQI
78AQI
7th February 2025
50AQI
50AQI
8th February 2025
59AQI
59AQI
9th February 2025
39AQI
39AQI
10th February 2025
57AQI
57AQI
11th February 2025
62AQI
62AQI
12th February 2025
64AQI
64AQI
13th February 2025
47AQI
47AQI
14th February 2025
59AQI
59AQI
15th February 2025
54AQI
54AQI
16th February 2025
67AQI
67AQI
17th February 2025
77AQI
77AQI
18th February 2025
64AQI
64AQI
19th February 2025
65AQI
65AQI
20th February 2025
69AQI
69AQI
21st February 2025
47AQI
47AQI
22nd February 2025
55AQI
55AQI
23rd February 2025
37AQI
37AQI
24th February 2025
55AQI
55AQI
25th February 2025
74AQI
74AQI
26th February 2025
66AQI
66AQI
27th February 2025
81AQI
81AQI
28th February 2025
66AQI
66AQI
1st March 2025
63AQI
63AQI
2nd March 2025
64AQI
64AQI
3rd March 2025
62AQI
62AQI
4th March 2025
49AQI
49AQI
5th March 2025
47AQI
47AQI
6th March 2025
41AQI
41AQI
7th March 2025
49AQI
49AQI
8th March 2025
49AQI
49AQI
9th March 2025
54AQI
54AQI
10th March 2025
67AQI
67AQI
11th March 2025
75AQI
75AQI
12th March 2025
58AQI
58AQI
13th March 2025
61AQI
61AQI
14th March 2025
63AQI
63AQI
15th March 2025
57AQI
57AQI
16th March 2025
51AQI
51AQI
17th March 2025
65AQI
65AQI
18th March 2025
57AQI
57AQI
19th March 2025
64AQI
64AQI
20th March 2025
63AQI
63AQI
21st March 2025
60AQI
60AQI
22nd March 2025
67AQI
67AQI
23rd March 2025
72AQI
72AQI
24th March 2025
70AQI
70AQI
25th March 2025
69AQI
69AQI
26th March 2025
69AQI
69AQI
27th March 2025
62AQI
62AQI
28th March 2025
64AQI
64AQI
29th March 2025
45AQI
45AQI
30th March 2025
38AQI
38AQI
31st March 2025
37AQI
37AQI
1st April 2025
37AQI
37AQI
2nd April 2025
49AQI
49AQI
3rd April 2025
59AQI
59AQI
4th April 2025
72AQI
72AQI
5th April 2025
67AQI
67AQI
6th April 2025
56AQI
56AQI
7th April 2025
69AQI
69AQI
8th April 2025
76AQI
76AQI
9th April 2025
69AQI
69AQI
10th April 2025
67AQI
67AQI
11th April 2025
70AQI
70AQI
12th April 2025
56AQI
56AQI
13th April 2025
80AQI
80AQI
14th April 2025
70AQI
70AQI
15th April 2025
87AQI
87AQI
16th April 2025
85AQI
85AQI
17th April 2025
76AQI
76AQI
18th April 2025
69AQI
69AQI
19th April 2025
66AQI
66AQI
20th April 2025
62AQI
62AQI
21st April 2025
67AQI
67AQI
22nd April 2025
60AQI
60AQI
23rd April 2025
59AQI
59AQI
24th April 2025
66AQI
66AQI
25th April 2025
50AQI
50AQI
26th April 2025
66AQI
66AQI
27th April 2025
61AQI
61AQI
28th April 2025
59AQI
59AQI
29th April 2025
67AQI
67AQI
30th April 2025
69AQI
69AQI
1st May 2025
67AQI
67AQI
2nd May 2025
70AQI
70AQI
3rd May 2025
68AQI
68AQI
4th May 2025
68AQI
68AQI
5th May 2025
66AQI
66AQI
6th May 2025
64AQI
64AQI
7th May 2025
52AQI
52AQI
8th May 2025
59AQI
59AQI
9th May 2025
46AQI
46AQI
10th May 2025
43AQI
43AQI
11th May 2025
42AQI
42AQI
12th May 2025
52AQI
52AQI
13th May 2025
58AQI
58AQI
14th May 2025
56AQI
56AQI
15th May 2025
56AQI
56AQI
16th May 2025
53AQI
53AQI
17th May 2025
51AQI
51AQI
18th May 2025
42AQI
42AQI
19th May 2025
45AQI
45AQI
20th May 2025
48AQI
48AQI
21st May 2025
46AQI
46AQI
22nd May 2025
50AQI
50AQI
23rd May 2025
46AQI
46AQI
24th May 2025
42AQI
42AQI
25th May 2025
52AQI
52AQI
26th May 2025
50AQI
50AQI
27th May 2025
51AQI
51AQI
28th May 2025
56AQI
56AQI
29th May 2025
36AQI
36AQI
30th May 2025
47AQI
47AQI
31st May 2025
58AQI
58AQI
1st June 2025
56AQI
56AQI
2nd June 2025
41AQI
41AQI
3rd June 2025
41AQI
41AQI
4th June 2025
46AQI
46AQI
5th June 2025
43AQI
43AQI
6th June 2025
46AQI
46AQI
7th June 2025
43AQI
43AQI
8th June 2025
37AQI
37AQI
9th June 2025
34AQI
34AQI
10th June 2025
42AQI
42AQI
11th June 2025
50AQI
50AQI
12th June 2025
53AQI
53AQI
13th June 2025
31AQI
31AQI
14th June 2025
38AQI
38AQI
15th June 2025
38AQI
38AQI
16th June 2025
35AQI
35AQI
17th June 2025
35AQI
35AQI
18th June 2025
38AQI
38AQI
19th June 2025
38AQI
38AQI
20th June 2025
37AQI
37AQI
21st June 2025
32AQI
32AQI
22nd June 2025
26AQI
26AQI
23rd June 2025
28AQI
28AQI
24th June 2025
32AQI
32AQI
25th June 2025
35AQI
35AQI
26th June 2025
35AQI
35AQI
27th June 2025
31AQI
31AQI
28th June 2025
36AQI
36AQI
29th June 2025
36AQI
36AQI
30th June 2025
31AQI
31AQI
1st July 2025
43AQI
43AQI
2nd July 2025
45AQI
45AQI
3rd July 2025
43AQI
43AQI
4th July 2025
46AQI
46AQI
5th July 2025
45AQI
45AQI
6th July 2025
42AQI
42AQI
7th July 2025
34AQI
34AQI
8th July 2025
43AQI
43AQI
9th July 2025
38AQI
38AQI
10th July 2025
39AQI
39AQI
11th July 2025
37AQI
37AQI
12th July 2025
43AQI
43AQI
13th July 2025
47AQI
47AQI
14th July 2025
49AQI
49AQI
15th July 2025
44AQI
44AQI
16th July 2025
45AQI
45AQI
17th July 2025
49AQI
49AQI
18th July 2025
50AQI
50AQI
19th July 2025
49AQI
49AQI
20th July 2025
44AQI
44AQI
21st July 2025
37AQI
37AQI
22nd July 2025
41AQI
41AQI
23rd July 2025
50AQI
50AQI
24th July 2025
44AQI
44AQI
25th July 2025
37AQI
37AQI
26th July 2025
35AQI
35AQI
27th July 2025
41AQI
41AQI
28th July 2025
31AQI
31AQI
29th July 2025
34AQI
34AQI
30th July 2025
32AQI
32AQI
31st July 2025
34AQI
34AQI
1st August 2025
44AQI
44AQI
2nd August 2025
41AQI
41AQI
3rd August 2025
41AQI
41AQI
4th August 2025
46AQI
46AQI
5th August 2025
48AQI
48AQI
6th August 2025
49AQI
49AQI
7th August 2025
52AQI
52AQI
8th August 2025
55AQI
55AQI
9th August 2025
51AQI
51AQI
10th August 2025
43AQI
43AQI
11th August 2025
41AQI
41AQI
12th August 2025
51AQI
51AQI
13th August 2025
43AQI
43AQI
14th August 2025
41AQI
41AQI
15th August 2025
40AQI
40AQI
16th August 2025
43AQI
43AQI
17th August 2025
43AQI
43AQI
18th August 2025
44AQI
44AQI
19th August 2025
44AQI
44AQI
20th August 2025
41AQI
41AQI
21st August 2025
22nd August 2025
23rd August 2025
24th August 2025
25th August 2025
26th August 2025
27th August 2025
28th August 2025
29th August 2025
30th August 2025
31st August 2025
1st September 2025
2nd September 2025
3rd September 2025
4th September 2025
5th September 2025
6th September 2025
7th September 2025
8th September 2025
9th September 2025
10th September 2025
11th September 2025
12th September 2025
13th September 2025
14th September 2025
15th September 2025
16th September 2025
17th September 2025
18th September 2025
19th September 2025
20th September 2025
21st September 2025
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
64AQI
59AQI
58AQI
66AQI
53AQI
38AQI
42AQI
45AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202553AQI
2
29
8
20
8
23
3
27
13
18
28
2
31
16
4
109
123
Highest AQI recorded in
April66AQI
Lowest AQI recorded in
June38AQI
202452AQI
3
28
9
20
3
27
1
8
22
11
20
29
31
26
5
14
14
19
12
22
8
10
21
185
177
1
Highest AQI recorded in
January73AQI
Lowest AQI recorded in
July31AQI
202362AQI
8
23
1
27
28
3
28
2
6
22
2
17
12
22
8
22
8
8
22
8
21
2
3
26
10
21
105
246
9
Highest AQI recorded in
April80AQI
Lowest AQI recorded in
July42AQI
202254AQI
7
23
9
12
6
22
3
8
22
17
14
30
21
2
1
8
20
17
14
9
21
23
8
155
159
3
Highest AQI recorded in
March74AQI
Lowest AQI recorded in
June34AQI
202159AQI
3
23
1
4
18
3
29
2
4
26
15
9
29
1
24
7
25
6
12
18
9
21
1
7
23
4
26
1
136
207
8
Highest AQI recorded in
March77AQI
Lowest AQI recorded in
June33AQI
202048AQI
3
12
16
2
28
2
28
3
21
10
10
20
11
20
10
20
15
15
142
104
Highest AQI recorded in
April64AQI
Lowest AQI recorded in
June31AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
62AQILeast Polluted Year Recorded
2020(Avg.)
48AQICentraltaichung Cityhouli's annual 2025 AQI (53) shows an average percentage change of -2.4% (improved AQI) compared to previous years: 2020 (48), 2021 (59), 2022 (54), 2023 (62), 2024 (52).
