Northcpc Taoyuan Refinery F4, Taoyuan District, Taoyuan, 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
Northcpc Taoyuan Refinery F4, Taoyuan District, Taoyuan, Taiwan
2021
2022
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
7th Aug 2024
67AQILowest AQI recorded on
19th Aug 2024
24AQISame Day Analysis (1st August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 44 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Northcpc Taoyuan Refinery F4, Taoyuan District, Taoyuan, 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
9AM2nd Aug
52AQI
Avg. Lowest Time
5PM2nd Aug
24AQI
In the last 24 hours,
Northcpc Taoyuan Refinery F4's AQI reached its highest point of 52 at 9 AM during the Night, while the lowest point, 24, was recorded at 5 PM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Northcpc Taoyuan Refinery F4, Taoyuan District, Taoyuan, 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 2025498 AMAQI
4th Jul 2025449 AMAQI
4th Jul 20254510 AMAQI
4th Jul 20253911 AMAQI
4th Jul 20254312 PMAQI
4th Jul 2025401 PMAQI
4th Jul 2025532 PMAQI
4th Jul 2025563 PMAQI
4th Jul 2025614 PMAQI
4th Jul 2025685 PMAQI
4th Jul 2025626 PMAQI
4th Jul 2025487 PMAQI
4th Jul 2025468 PMAQI
4th Jul 2025459 PMAQI
4th Jul 20254010 PMAQI
4th Jul 20255611 PMAQI
5th Jul 20255412 AMAQI
5th Jul 2025501 AMAQI
5th Jul 2025512 AMAQI
5th Jul 2025503 AMAQI
5th Jul 2025494 AMAQI
31°C26/36°C
5th Jul 2025505 AMAQI
5th Jul 2025516 AMAQI
5th Jul 2025507 AMAQI
5th Jul 2025328 AMAQI
5th Jul 2025309 AMAQI
5th Jul 20254110 AMAQI
5th Jul 20253911 AMAQI
5th Jul 20254412 PMAQI
5th Jul 2025401 PMAQI
5th Jul 2025322 PMAQI
5th Jul 2025323 PMAQI
5th Jul 2025364 PMAQI
5th Jul 2025365 PMAQI
5th Jul 2025346 PMAQI
5th Jul 2025327 PMAQI
5th Jul 2025398 PMAQI
5th Jul 2025389 PMAQI
5th Jul 20254110 PMAQI
5th Jul 20254311 PMAQI
6th Jul 20255012 AMAQI
6th Jul 2025511 AMAQI
6th Jul 2025512 AMAQI
6th Jul 2025483 AMAQI
6th Jul 2025474 AMAQI
29°C27/33°C
6th Jul 2025465 AMAQI
6th Jul 2025466 AMAQI
6th Jul 2025477 AMAQI
6th Jul 2025408 AMAQI
6th Jul 2025289 AMAQI
6th Jul 20252010 AMAQI
6th Jul 20252111 AMAQI
6th Jul 20253612 PMAQI
6th Jul 2025371 PMAQI
6th Jul 2025402 PMAQI
6th Jul 2025403 PMAQI
6th Jul 2025364 PMAQI
6th Jul 2025345 PMAQI
6th Jul 2025346 PMAQI
6th Jul 2025367 PMAQI
6th Jul 2025518 PMAQI
6th Jul 2025499 PMAQI
6th Jul 20254410 PMAQI
6th Jul 20254311 PMAQI
7th Jul 20253712 AMAQI
7th Jul 2025481 AMAQI
7th Jul 2025492 AMAQI
7th Jul 2025463 AMAQI
7th Jul 2025444 AMAQI
28°C25/34°C
7th Jul 2025435 AMAQI
7th Jul 2025446 AMAQI
7th Jul 2025437 AMAQI
7th Jul 2025248 AMAQI
7th Jul 2025159 AMAQI
7th Jul 20252010 AMAQI
7th Jul 20251911 AMAQI
7th Jul 20252612 PMAQI
7th Jul 2025261 PMAQI
7th Jul 2025232 PMAQI
7th Jul 2025203 PMAQI
7th Jul 2025224 PMAQI
7th Jul 2025305 PMAQI
7th Jul 2025386 PMAQI
7th Jul 2025507 PMAQI
7th Jul 2025468 PMAQI
7th Jul 2025389 PMAQI
7th Jul 20254110 PMAQI
7th Jul 20254211 PMAQI
8th Jul 20255112 AMAQI
8th Jul 2025461 AMAQI
8th Jul 2025452 AMAQI
8th Jul 2025413 AMAQI
8th Jul 2025384 AMAQI
25°C24/26°C
8th Jul 2025375 AMAQI
8th Jul 2025376 AMAQI
8th Jul 2025377 AMAQI
8th Jul 2025518 AMAQI
8th Jul 2025549 AMAQI
8th Jul 20255510 AMAQI
8th Jul 20256011 AMAQI
8th Jul 20255712 PMAQI
8th Jul 2025621 PMAQI
8th Jul 2025582 PMAQI
8th Jul 2025543 PMAQI
8th Jul 2025664 PMAQI
8th Jul 2025585 PMAQI
8th Jul 2025546 PMAQI
8th Jul 2025547 PMAQI
8th Jul 2025538 PMAQI
8th Jul 2025529 PMAQI
8th Jul 20255210 PMAQI
8th Jul 20254711 PMAQI
9th Jul 20254412 AMAQI
9th Jul 2025411 AMAQI
9th Jul 2025412 AMAQI
9th Jul 2025443 AMAQI
9th Jul 2025474 AMAQI
29°C24/34°C
9th Jul 2025475 AMAQI
9th Jul 2025456 AMAQI
9th Jul 2025467 AMAQI
9th Jul 2025328 AMAQI
9th Jul 2025399 AMAQI
9th Jul 20254910 AMAQI
9th Jul 20255411 AMAQI
9th Jul 20255512 PMAQI
9th Jul 2025571 PMAQI
9th Jul 2025552 PMAQI
9th Jul 2025583 PMAQI
9th Jul 2025674 PMAQI
9th Jul 2025765 PMAQI
9th Jul 2025656 PMAQI
9th Jul 2025627 PMAQI
9th Jul 2025598 PMAQI
9th Jul 2025569 PMAQI
9th Jul 20255410 PMAQI
9th Jul 20255511 PMAQI
10th Jul 20255612 AMAQI
10th Jul 2025441 AMAQI
10th Jul 2025452 AMAQI
10th Jul 2025463 AMAQI
10th Jul 2025484 AMAQI
25°C24/25°C
10th Jul 2025465 AMAQI
10th Jul 2025466 AMAQI
10th Jul 2025467 AMAQI
10th Jul 2025468 AMAQI
10th Jul 2025509 AMAQI
10th Jul 20254910 AMAQI
10th Jul 20254911 AMAQI
10th Jul 20255512 PMAQI
10th Jul 2025581 PMAQI
10th Jul 2025632 PMAQI
10th Jul 2025633 PMAQI
10th Jul 2025564 PMAQI
10th Jul 2025555 PMAQI
10th Jul 2025536 PMAQI
10th Jul 2025547 PMAQI
10th Jul 2025538 PMAQI
10th Jul 2025549 PMAQI
10th Jul 20255710 PMAQI
10th Jul 20255811 PMAQI
11th Jul 20255712 AMAQI
11th Jul 2025481 AMAQI
11th Jul 2025482 AMAQI
11th Jul 2025493 AMAQI
11th Jul 2025504 AMAQI
25°C24/26°C
11th Jul 2025515 AMAQI
11th Jul 2025516 AMAQI
11th Jul 2025507 AMAQI
11th Jul 2025478 AMAQI
11th Jul 2025399 AMAQI
11th Jul 20254110 AMAQI
11th Jul 20254711 AMAQI
11th Jul 20255312 PMAQI
11th Jul 2025541 PMAQI
11th Jul 2025552 PMAQI
11th Jul 2025573 PMAQI
11th Jul 2025574 PMAQI
11th Jul 2025655 PMAQI
11th Jul 2025586 PMAQI
11th Jul 2025587 PMAQI
11th Jul 2025558 PMAQI
11th Jul 2025549 PMAQI
11th Jul 20255310 PMAQI
11th Jul 20255711 PMAQI
12th Jul 20255412 AMAQI
12th Jul 2025521 AMAQI
12th Jul 2025512 AMAQI
12th Jul 2025523 AMAQI
12th Jul 2025514 AMAQI
25°C24/28°C
12th Jul 2025515 AMAQI
12th Jul 2025506 AMAQI
12th Jul 2025507 AMAQI
12th Jul 2025488 AMAQI
12th Jul 2025589 AMAQI
12th Jul 20255910 AMAQI
12th Jul 20256011 AMAQI
12th Jul 20255512 PMAQI
12th Jul 2025581 PMAQI
12th Jul 2025562 PMAQI
12th Jul 2025603 PMAQI
12th Jul 2025654 PMAQI
12th Jul 2025655 PMAQI
12th Jul 2025636 PMAQI
12th Jul 2025607 PMAQI
12th Jul 2025548 PMAQI
12th Jul 2025539 PMAQI
12th Jul 20255210 PMAQI
12th Jul 20255311 PMAQI
13th Jul 20255212 AMAQI
13th Jul 2025521 AMAQI
13th Jul 2025522 AMAQI
13th Jul 2025523 AMAQI
13th Jul 2025534 AMAQI
28°C25/32°C
13th Jul 2025535 AMAQI
13th Jul 2025536 AMAQI
13th Jul 2025527 AMAQI
13th Jul 2025518 AMAQI
13th Jul 2025489 AMAQI
13th Jul 20255010 AMAQI
13th Jul 20255411 AMAQI
13th Jul 20255612 PMAQI
13th Jul 2025551 PMAQI
13th Jul 2025582 PMAQI
13th Jul 2025603 PMAQI
13th Jul 2025584 PMAQI
13th Jul 2025545 PMAQI
13th Jul 2025586 PMAQI
13th Jul 2025557 PMAQI
13th Jul 2025548 PMAQI
13th Jul 2025539 PMAQI
13th Jul 20255610 PMAQI
13th Jul 20255811 PMAQI
14th Jul 20255512 AMAQI
14th Jul 2025531 AMAQI
14th Jul 2025522 AMAQI
14th Jul 2025533 AMAQI
14th Jul 2025534 AMAQI
29°C26/34°C
14th Jul 2025525 AMAQI
14th Jul 2025536 AMAQI
14th Jul 2025547 AMAQI
14th Jul 2025588 AMAQI
14th Jul 2025599 AMAQI
14th Jul 20256210 AMAQI
14th Jul 20256511 AMAQI
14th Jul 20256612 PMAQI
14th Jul 2025661 PMAQI
14th Jul 2025682 PMAQI
14th Jul 2025693 PMAQI
14th Jul 2025664 PMAQI
14th Jul 2025625 PMAQI
14th Jul 2025596 PMAQI
14th Jul 2025587 PMAQI
14th Jul 2025558 PMAQI
14th Jul 2025569 PMAQI
14th Jul 20255610 PMAQI
14th Jul 20255611 PMAQI
15th Jul 20255512 AMAQI
15th Jul 2025531 AMAQI
15th Jul 2025532 AMAQI
15th Jul 2025543 AMAQI
15th Jul 2025554 AMAQI
27°C26/29°C
15th Jul 2025565 AMAQI
15th Jul 2025556 AMAQI
15th Jul 2025557 AMAQI
15th Jul 2025588 AMAQI
15th Jul 2025599 AMAQI
15th Jul 20255810 AMAQI
15th Jul 20255511 AMAQI
15th Jul 20255112 PMAQI
15th Jul 2025471 PMAQI
15th Jul 2025452 PMAQI
15th Jul 2025463 PMAQI
15th Jul 2025464 PMAQI
15th Jul 2025515 PMAQI
15th Jul 2025556 PMAQI
15th Jul 2025507 PMAQI
15th Jul 2025568 PMAQI
15th Jul 2025579 PMAQI
15th Jul 20255410 PMAQI
15th Jul 20256011 PMAQI
16th Jul 20256112 AMAQI
16th Jul 2025551 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025543 AMAQI
16th Jul 2025544 AMAQI
29°C25/34°C
16th Jul 2025545 AMAQI
16th Jul 2025546 AMAQI
16th Jul 2025547 AMAQI
16th Jul 2025578 AMAQI
16th Jul 2025569 AMAQI
16th Jul 20255310 AMAQI
16th Jul 20255011 AMAQI
16th Jul 20254412 PMAQI
16th Jul 2025521 PMAQI
16th Jul 2025532 PMAQI
16th Jul 2025533 PMAQI
16th Jul 2025524 PMAQI
16th Jul 2025535 PMAQI
16th Jul 2025546 PMAQI
16th Jul 2025537 PMAQI
16th Jul 2025528 PMAQI
16th Jul 2025529 PMAQI
16th Jul 20255410 PMAQI
16th Jul 20255211 PMAQI
17th Jul 20255212 AMAQI
17th Jul 2025541 AMAQI
17th Jul 2025552 AMAQI
17th Jul 2025553 AMAQI
17th Jul 2025544 AMAQI
30°C26/35°C
17th Jul 2025545 AMAQI
17th Jul 2025546 AMAQI
17th Jul 2025547 AMAQI
17th Jul 2025518 AMAQI
17th Jul 2025519 AMAQI
17th Jul 20255610 AMAQI
17th Jul 20255611 AMAQI
17th Jul 20255412 PMAQI
17th Jul 2025601 PMAQI
17th Jul 2025672 PMAQI
17th Jul 2025713 PMAQI
17th Jul 2025674 PMAQI
17th Jul 2025745 PMAQI
17th Jul 2025666 PMAQI
17th Jul 2025617 PMAQI
17th Jul 2025578 PMAQI
17th Jul 2025569 PMAQI
17th Jul 20255410 PMAQI
17th Jul 20255311 PMAQI
18th Jul 20255412 AMAQI
18th Jul 2025541 AMAQI
18th Jul 2025542 AMAQI
18th Jul 2025543 AMAQI
18th Jul 2025544 AMAQI
30°C26/34°C
18th Jul 2025555 AMAQI
18th Jul 2025556 AMAQI
18th Jul 2025557 AMAQI
18th Jul 2025628 AMAQI
18th Jul 2025609 AMAQI
18th Jul 20255810 AMAQI
18th Jul 20255911 AMAQI
18th Jul 20255212 PMAQI
18th Jul 2025391 PMAQI
18th Jul 2025252 PMAQI
18th Jul 2025233 PMAQI
18th Jul 2025324 PMAQI
18th Jul 2025315 PMAQI
18th Jul 2025266 PMAQI
18th Jul 2025477 PMAQI
18th Jul 2025518 PMAQI
18th Jul 2025439 PMAQI
18th Jul 20254210 PMAQI
18th Jul 20254011 PMAQI
19th Jul 20254212 AMAQI
19th Jul 2025541 AMAQI
19th Jul 2025552 AMAQI
19th Jul 2025543 AMAQI
19th Jul 2025544 AMAQI
30°C27/35°C
19th Jul 2025545 AMAQI
19th Jul 2025546 AMAQI
19th Jul 2025547 AMAQI
19th Jul 2025298 AMAQI
19th Jul 2025369 AMAQI
19th Jul 20253110 AMAQI
19th Jul 20252711 AMAQI
19th Jul 20253312 PMAQI
19th Jul 2025431 PMAQI
19th Jul 2025482 PMAQI
19th Jul 2025413 PMAQI
19th Jul 2025364 PMAQI
19th Jul 2025325 PMAQI
19th Jul 2025396 PMAQI
19th Jul 2025367 PMAQI
19th Jul 2025438 PMAQI
19th Jul 2025449 PMAQI
19th Jul 20254410 PMAQI
19th Jul 20254011 PMAQI
20th Jul 20254012 AMAQI
20th Jul 2025521 AMAQI
20th Jul 2025542 AMAQI
20th Jul 2025523 AMAQI
20th Jul 2025524 AMAQI
29°C28/31°C
20th Jul 2025525 AMAQI
20th Jul 2025516 AMAQI
20th Jul 2025517 AMAQI
20th Jul 2025368 AMAQI
20th Jul 2025189 AMAQI
20th Jul 20252310 AMAQI
20th Jul 20252611 AMAQI
20th Jul 20252212 PMAQI
20th Jul 2025191 PMAQI
20th Jul 2025232 PMAQI
20th Jul 2025323 PMAQI
20th Jul 2025354 PMAQI
20th Jul 2025255 PMAQI
20th Jul 2025326 PMAQI
20th Jul 2025297 PMAQI
20th Jul 2025328 PMAQI
20th Jul 2025349 PMAQI
20th Jul 20253610 PMAQI
20th Jul 20253411 PMAQI
21st Jul 20253712 AMAQI
21st Jul 2025511 AMAQI
21st Jul 2025522 AMAQI
21st Jul 2025493 AMAQI
21st Jul 2025444 AMAQI
28°C26/33°C
21st Jul 2025455 AMAQI
21st Jul 2025446 AMAQI
21st Jul 2025447 AMAQI
21st Jul 2025268 AMAQI
21st Jul 2025239 AMAQI
21st Jul 20252110 AMAQI
21st Jul 20252311 AMAQI
21st Jul 20253112 PMAQI
21st Jul 2025231 PMAQI
21st Jul 2025282 PMAQI
21st Jul 2025313 PMAQI
21st Jul 2025374 PMAQI
21st Jul 2025275 PMAQI
21st Jul 2025186 PMAQI
21st Jul 2025257 PMAQI
21st Jul 2025348 PMAQI
21st Jul 2025349 PMAQI
21st Jul 20254310 PMAQI
21st Jul 20253911 PMAQI
22nd Jul 20253712 AMAQI
22nd Jul 2025481 AMAQI
22nd Jul 2025472 AMAQI
22nd Jul 2025443 AMAQI
22nd Jul 2025424 AMAQI
25°C24/26°C
22nd Jul 2025425 AMAQI
22nd Jul 2025416 AMAQI
22nd Jul 2025417 AMAQI
22nd Jul 2025268 AMAQI
22nd Jul 2025239 AMAQI
22nd Jul 20253010 AMAQI
22nd Jul 20252811 AMAQI
22nd Jul 20252612 PMAQI
22nd Jul 2025241 PMAQI
22nd Jul 2025222 PMAQI
22nd Jul 2025253 PMAQI
22nd Jul 2025494 PMAQI
22nd Jul 2025285 PMAQI
22nd Jul 2025326 PMAQI
22nd Jul 2025337 PMAQI
22nd Jul 2025348 PMAQI
22nd Jul 2025339 PMAQI
22nd Jul 20253310 PMAQI
22nd Jul 20253011 PMAQI
23rd Jul 20253212 AMAQI
23rd Jul 2025431 AMAQI
23rd Jul 2025432 AMAQI
23rd Jul 2025403 AMAQI
23rd Jul 2025384 AMAQI
27°C24/31°C
23rd Jul 2025385 AMAQI
23rd Jul 2025386 AMAQI
23rd Jul 2025377 AMAQI
23rd Jul 2025288 AMAQI
23rd Jul 2025189 AMAQI
23rd Jul 20252010 AMAQI
23rd Jul 20253811 AMAQI
23rd Jul 20254712 PMAQI
23rd Jul 2025361 PMAQI
23rd Jul 2025302 PMAQI
23rd Jul 2025293 PMAQI
23rd Jul 2025324 PMAQI
23rd Jul 2025325 PMAQI
23rd Jul 2025346 PMAQI
23rd Jul 2025337 PMAQI
23rd Jul 2025348 PMAQI
23rd Jul 2025339 PMAQI
23rd Jul 20253410 PMAQI
23rd Jul 20253611 PMAQI
24th Jul 20253412 AMAQI
24th Jul 2025381 AMAQI
24th Jul 2025392 AMAQI
24th Jul 2025373 AMAQI
24th Jul 2025344 AMAQI
29°C25/34°C
24th Jul 2025355 AMAQI
24th Jul 2025346 AMAQI
24th Jul 2025367 AMAQI
24th Jul 2025268 AMAQI
24th Jul 2025239 AMAQI
24th Jul 20252610 AMAQI
24th Jul 20252811 AMAQI
24th Jul 20253312 PMAQI
24th Jul 2025411 PMAQI
24th Jul 2025382 PMAQI
24th Jul 2025323 PMAQI
24th Jul 2025474 PMAQI
24th Jul 2025345 PMAQI
24th Jul 2025486 PMAQI
24th Jul 2025397 PMAQI
24th Jul 2025338 PMAQI
24th Jul 2025349 PMAQI
24th Jul 20253410 PMAQI
24th Jul 20253111 PMAQI
25th Jul 20253112 AMAQI
25th Jul 2025361 AMAQI
25th Jul 2025362 AMAQI
25th Jul 2025353 AMAQI
25th Jul 2025344 AMAQI
29°C26/32°C
25th Jul 2025365 AMAQI
25th Jul 2025346 AMAQI
25th Jul 2025347 AMAQI
25th Jul 2025228 AMAQI
25th Jul 2025219 AMAQI
25th Jul 20252010 AMAQI
25th Jul 20254911 AMAQI
25th Jul 20255612 PMAQI
25th Jul 2025381 PMAQI
25th Jul 2025442 PMAQI
25th Jul 2025423 PMAQI
25th Jul 2025384 PMAQI
25th Jul 2025515 PMAQI
25th Jul 2025446 PMAQI
25th Jul 2025357 PMAQI
25th Jul 2025378 PMAQI
25th Jul 2025369 PMAQI
25th Jul 20253410 PMAQI
25th Jul 20253311 PMAQI
26th Jul 20253212 AMAQI
26th Jul 2025341 AMAQI
26th Jul 2025342 AMAQI
26th Jul 2025353 AMAQI
26th Jul 2025354 AMAQI
27°C25/28°C
26th Jul 2025355 AMAQI
26th Jul 2025366 AMAQI
26th Jul 2025357 AMAQI
26th Jul 2025298 AMAQI
26th Jul 2025239 AMAQI
26th Jul 20253010 AMAQI
26th Jul 20254011 AMAQI
26th Jul 20255612 PMAQI
26th Jul 2025391 PMAQI
26th Jul 2025462 PMAQI
26th Jul 2025393 PMAQI
26th Jul 2025374 PMAQI
26th Jul 2025325 PMAQI
26th Jul 2025316 PMAQI
26th Jul 2025327 PMAQI
26th Jul 2025348 PMAQI
26th Jul 2025419 PMAQI
26th Jul 20254010 PMAQI
26th Jul 20254611 PMAQI
27th Jul 20254412 AMAQI
27th Jul 2025351 AMAQI
27th Jul 2025332 AMAQI
27th Jul 2025343 AMAQI
27th Jul 2025344 AMAQI
27°C25/33°C
27th Jul 2025345 AMAQI
27th Jul 2025346 AMAQI
27th Jul 2025347 AMAQI
27th Jul 2025428 AMAQI
27th Jul 2025539 AMAQI
27th Jul 20255010 AMAQI
27th Jul 20254511 AMAQI
27th Jul 20255012 PMAQI
27th Jul 2025541 PMAQI
27th Jul 2025582 PMAQI
27th Jul 2025523 PMAQI
27th Jul 2025444 PMAQI
27th Jul 2025505 PMAQI
27th Jul 2025476 PMAQI
27th Jul 2025467 PMAQI
27th Jul 2025448 PMAQI
27th Jul 2025449 PMAQI
27th Jul 20255110 PMAQI
27th Jul 20255111 PMAQI
28th Jul 20255112 AMAQI
28th Jul 2025351 AMAQI
28th Jul 2025362 AMAQI
28th Jul 2025363 AMAQI
28th Jul 2025384 AMAQI
28°C26/29°C
28th Jul 2025395 AMAQI
28th Jul 2025396 AMAQI
28th Jul 2025387 AMAQI
28th Jul 2025388 AMAQI
28th Jul 2025339 AMAQI
28th Jul 20253410 AMAQI
28th Jul 20254111 AMAQI
28th Jul 20253012 PMAQI
28th Jul 2025321 PMAQI
28th Jul 2025422 PMAQI
28th Jul 2025373 PMAQI
28th Jul 2025424 PMAQI
28th Jul 2025545 PMAQI
28th Jul 2025576 PMAQI
28th Jul 2025527 PMAQI
28th Jul 2025468 PMAQI
28th Jul 2025509 PMAQI
28th Jul 20254710 PMAQI
28th Jul 20253211 PMAQI
29th Jul 20253012 AMAQI
29th Jul 2025401 AMAQI
29th Jul 2025382 AMAQI
29th Jul 2025393 AMAQI
29th Jul 2025384 AMAQI
28°C26/32°C
29th Jul 2025385 AMAQI
29th Jul 2025386 AMAQI
29th Jul 2025387 AMAQI
29th Jul 2025328 AMAQI
29th Jul 2025249 AMAQI
29th Jul 20252910 AMAQI
29th Jul 20252511 AMAQI
29th Jul 20251912 PMAQI
29th Jul 2025331 PMAQI
29th Jul 2025382 PMAQI
29th Jul 2025363 PMAQI
29th Jul 2025304 PMAQI
29th Jul 2025255 PMAQI
29th Jul 2025296 PMAQI
29th Jul 2025357 PMAQI
29th Jul 2025368 PMAQI
29th Jul 2025369 PMAQI
29th Jul 20254310 PMAQI
29th Jul 20255111 PMAQI
30th Jul 20254512 AMAQI
30th Jul 2025371 AMAQI
30th Jul 2025382 AMAQI
30th Jul 2025373 AMAQI
30th Jul 2025344 AMAQI
27°C26/30°C
30th Jul 2025345 AMAQI
30th Jul 2025356 AMAQI
30th Jul 2025347 AMAQI
30th Jul 2025288 AMAQI
30th Jul 2025339 AMAQI
30th Jul 20254010 AMAQI
30th Jul 20254611 AMAQI
30th Jul 20254712 PMAQI
30th Jul 2025541 PMAQI
30th Jul 2025462 PMAQI
30th Jul 2025463 PMAQI
30th Jul 2025484 PMAQI
30th Jul 2025545 PMAQI
30th Jul 2025506 PMAQI
30th Jul 2025547 PMAQI
30th Jul 2025488 PMAQI
30th Jul 2025509 PMAQI
30th Jul 20255210 PMAQI
30th Jul 20254011 PMAQI
31st Jul 20254512 AMAQI
31st Jul 2025361 AMAQI
31st Jul 2025362 AMAQI
31st Jul 2025363 AMAQI
31st Jul 2025354 AMAQI
29°C26/34°C
31st Jul 2025355 AMAQI
31st Jul 2025356 AMAQI
31st Jul 2025357 AMAQI
31st Jul 2025358 AMAQI
31st Jul 2025359 AMAQI
31st Jul 20253210 AMAQI
31st Jul 20253311 AMAQI
31st Jul 20254112 PMAQI
31st Jul 2025461 PMAQI
31st Jul 2025442 PMAQI
31st Jul 2025413 PMAQI
31st Jul 2025534 PMAQI
31st Jul 2025585 PMAQI
31st Jul 2025586 PMAQI
31st Jul 2025527 PMAQI
31st Jul 2025508 PMAQI
31st Jul 2025449 PMAQI
31st Jul 20254710 PMAQI
31st Jul 20254511 PMAQI
1st Aug 20254312 AMAQI
1st Aug 2025401 AMAQI
1st Aug 2025402 AMAQI
1st Aug 2025343 AMAQI
1st Aug 2025354 AMAQI
30°C27/34°C
1st Aug 2025365 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025397 AMAQI
1st Aug 2025558 AMAQI
1st Aug 2025549 AMAQI
1st Aug 20255410 AMAQI
1st Aug 20255411 AMAQI
1st Aug 20255212 PMAQI
1st Aug 2025401 PMAQI
1st Aug 2025462 PMAQI
1st Aug 2025503 PMAQI
1st Aug 2025524 PMAQI
1st Aug 2025505 PMAQI
1st Aug 2025396 PMAQI
1st Aug 2025427 PMAQI
1st Aug 2025458 PMAQI
1st Aug 2025509 PMAQI
1st Aug 20254810 PMAQI
1st Aug 20254911 PMAQI
2nd Aug 20254212 AMAQI
2nd Aug 2025401 AMAQI
2nd Aug 2025422 AMAQI
2nd Aug 2025453 AMAQI
2nd Aug 2025434 AMAQI
29°C27/33°C
2nd Aug 2025445 AMAQI
2nd Aug 2025446 AMAQI
2nd Aug 2025447 AMAQI
2nd Aug 2025418 AMAQI
2nd Aug 2025529 AMAQI
2nd Aug 20255210 AMAQI
2nd Aug 20254811 AMAQI
2nd Aug 20254612 PMAQI
2nd Aug 2025411 PMAQI
2nd Aug 2025402 PMAQI
2nd Aug 2025383 PMAQI
2nd Aug 2025304 PMAQI
2nd Aug 2025245 PMAQI
2nd Aug 2025316 PMAQI
2nd Aug 2025347 PMAQI
2nd Aug 2025378 PMAQI
2nd Aug 2025429 PMAQI
2nd Aug 20254510 PMAQI
2nd Aug 20254111 PMAQI
3rd Aug 20254312 AMAQI
3rd Aug 2025461 AMAQI
3rd Aug 2025452 AMAQI
3rd Aug 2025463 AMAQI
3rd Aug 2025474 AMAQI
--°C/°C
3rd Aug 2025445 AMAQI
5 AM11 AM
6 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
4 PM - 6 PM
46AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
8 AM - 10 AM
40AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 PM to 6 PM (Avg. 46), while the lowest AQI was between 8 AM to 10 AM (Avg. 40).
Night time
Avg. Highest Time
12 AM - 11 PM
46AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM - 11 PM
46AQI
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. 46), while the lowest AQI was between 12 AM to 11 PM (Avg. 46).
2025 Days Vs Air Quality
Northcpc Taoyuan Refinery F4, Taoyuan District, Taoyuan, Taiwan
2025
32%
69
67%
143
0.4%
1
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
69 DaysModerate
143 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 32%
Health Risk Level:
High
In 2025, 32% of 214 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.
Annual Air Quality Insights
Northcpc Taoyuan Refinery F4, Taoyuan District, Taoyuan, 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
63AQI
63AQI
3rd January 2025
68AQI
68AQI
4th January 2025
60AQI
60AQI
5th January 2025
64AQI
64AQI
6th January 2025
79AQI
79AQI
7th January 2025
70AQI
70AQI
8th January 2025
61AQI
61AQI
9th January 2025
72AQI
72AQI
10th January 2025
60AQI
60AQI
11th January 2025
55AQI
55AQI
12th January 2025
56AQI
56AQI
13th January 2025
58AQI
58AQI
14th January 2025
70AQI
70AQI
15th January 2025
86AQI
86AQI
16th January 2025
62AQI
62AQI
17th January 2025
61AQI
61AQI
18th January 2025
56AQI
56AQI
19th January 2025
62AQI
62AQI
20th January 2025
70AQI
70AQI
21st January 2025
80AQI
80AQI
22nd January 2025
94AQI
94AQI
23rd January 2025
69AQI
69AQI
24th January 2025
68AQI
68AQI
25th January 2025
66AQI
66AQI
26th January 2025
60AQI
60AQI
27th January 2025
60AQI
60AQI
28th January 2025
59AQI
59AQI
29th January 2025
55AQI
55AQI
30th January 2025
57AQI
57AQI
31st January 2025
58AQI
58AQI
1st February 2025
48AQI
48AQI
2nd February 2025
42AQI
42AQI
3rd February 2025
51AQI
51AQI
4th February 2025
74AQI
74AQI
5th February 2025
58AQI
58AQI
6th February 2025
49AQI
49AQI
7th February 2025
48AQI
48AQI
8th February 2025
60AQI
60AQI
9th February 2025
50AQI
50AQI
10th February 2025
48AQI
48AQI
11th February 2025
57AQI
57AQI
12th February 2025
81AQI
81AQI
13th February 2025
53AQI
53AQI
14th February 2025
48AQI
48AQI
15th February 2025
52AQI
52AQI
16th February 2025
70AQI
70AQI
17th February 2025
92AQI
92AQI
18th February 2025
54AQI
54AQI
19th February 2025
57AQI
57AQI
20th February 2025
59AQI
59AQI
21st February 2025
39AQI
39AQI
22nd February 2025
46AQI
46AQI
23rd February 2025
35AQI
35AQI
24th February 2025
66AQI
66AQI
25th February 2025
63AQI
63AQI
26th February 2025
77AQI
77AQI
27th February 2025
116AQI
116AQI
28th February 2025
84AQI
84AQI
1st March 2025
93AQI
93AQI
2nd March 2025
75AQI
75AQI
3rd March 2025
97AQI
97AQI
4th March 2025
56AQI
56AQI
5th March 2025
52AQI
52AQI
6th March 2025
43AQI
43AQI
7th March 2025
60AQI
60AQI
8th March 2025
55AQI
55AQI
9th March 2025
53AQI
53AQI
10th March 2025
71AQI
71AQI
11th March 2025
81AQI
81AQI
12th March 2025
87AQI
87AQI
13th March 2025
73AQI
73AQI
14th March 2025
70AQI
70AQI
15th March 2025
54AQI
54AQI
16th March 2025
61AQI
61AQI
17th March 2025
72AQI
72AQI
18th March 2025
62AQI
62AQI
19th March 2025
74AQI
74AQI
20th March 2025
65AQI
65AQI
21st March 2025
63AQI
63AQI
22nd March 2025
71AQI
71AQI
23rd March 2025
76AQI
76AQI
24th March 2025
75AQI
75AQI
25th March 2025
78AQI
78AQI
26th March 2025
81AQI
81AQI
27th March 2025
74AQI
74AQI
28th March 2025
72AQI
72AQI
29th March 2025
52AQI
52AQI
30th March 2025
40AQI
40AQI
31st March 2025
36AQI
36AQI
1st April 2025
46AQI
46AQI
2nd April 2025
52AQI
52AQI
3rd April 2025
52AQI
52AQI
4th April 2025
65AQI
65AQI
5th April 2025
74AQI
74AQI
6th April 2025
66AQI
66AQI
7th April 2025
74AQI
74AQI
8th April 2025
83AQI
83AQI
9th April 2025
90AQI
90AQI
10th April 2025
76AQI
76AQI
11th April 2025
86AQI
86AQI
12th April 2025
68AQI
68AQI
13th April 2025
91AQI
91AQI
14th April 2025
77AQI
77AQI
15th April 2025
84AQI
84AQI
16th April 2025
85AQI
85AQI
17th April 2025
89AQI
89AQI
18th April 2025
80AQI
80AQI
19th April 2025
75AQI
75AQI
20th April 2025
64AQI
64AQI
21st April 2025
74AQI
74AQI
22nd April 2025
65AQI
65AQI
23rd April 2025
59AQI
59AQI
24th April 2025
56AQI
56AQI
25th April 2025
51AQI
51AQI
26th April 2025
48AQI
48AQI
27th April 2025
54AQI
54AQI
28th April 2025
62AQI
62AQI
29th April 2025
53AQI
53AQI
30th April 2025
67AQI
67AQI
1st May 2025
68AQI
68AQI
2nd May 2025
68AQI
68AQI
3rd May 2025
70AQI
70AQI
4th May 2025
69AQI
69AQI
5th May 2025
69AQI
69AQI
6th May 2025
68AQI
68AQI
7th May 2025
57AQI
57AQI
8th May 2025
62AQI
62AQI
9th May 2025
57AQI
57AQI
10th May 2025
50AQI
50AQI
11th May 2025
47AQI
47AQI
12th May 2025
56AQI
56AQI
13th May 2025
58AQI
58AQI
14th May 2025
64AQI
64AQI
15th May 2025
57AQI
57AQI
16th May 2025
58AQI
58AQI
17th May 2025
54AQI
54AQI
18th May 2025
48AQI
48AQI
19th May 2025
48AQI
48AQI
20th May 2025
54AQI
54AQI
21st May 2025
50AQI
50AQI
22nd May 2025
56AQI
56AQI
23rd May 2025
54AQI
54AQI
24th May 2025
44AQI
44AQI
25th May 2025
66AQI
66AQI
26th May 2025
52AQI
52AQI
27th May 2025
50AQI
50AQI
28th May 2025
45AQI
45AQI
29th May 2025
39AQI
39AQI
30th May 2025
54AQI
54AQI
31st May 2025
58AQI
58AQI
1st June 2025
59AQI
59AQI
2nd June 2025
51AQI
51AQI
3rd June 2025
44AQI
44AQI
4th June 2025
45AQI
45AQI
5th June 2025
52AQI
52AQI
6th June 2025
53AQI
53AQI
7th June 2025
56AQI
56AQI
8th June 2025
48AQI
48AQI
9th June 2025
53AQI
53AQI
10th June 2025
49AQI
49AQI
11th June 2025
51AQI
51AQI
12th June 2025
34AQI
34AQI
13th June 2025
37AQI
37AQI
14th June 2025
37AQI
37AQI
15th June 2025
40AQI
40AQI
16th June 2025
39AQI
39AQI
17th June 2025
32AQI
32AQI
18th June 2025
41AQI
41AQI
19th June 2025
41AQI
41AQI
20th June 2025
44AQI
44AQI
21st June 2025
43AQI
43AQI
22nd June 2025
39AQI
39AQI
23rd June 2025
42AQI
42AQI
24th June 2025
46AQI
46AQI
25th June 2025
48AQI
48AQI
26th June 2025
52AQI
52AQI
27th June 2025
45AQI
45AQI
28th June 2025
44AQI
44AQI
29th June 2025
41AQI
41AQI
30th June 2025
47AQI
47AQI
1st July 2025
50AQI
50AQI
2nd July 2025
40AQI
40AQI
3rd July 2025
49AQI
49AQI
4th July 2025
50AQI
50AQI
5th July 2025
42AQI
42AQI
6th July 2025
42AQI
42AQI
7th July 2025
36AQI
36AQI
8th July 2025
50AQI
50AQI
9th July 2025
52AQI
52AQI
10th July 2025
52AQI
52AQI
11th July 2025
53AQI
53AQI
12th July 2025
55AQI
55AQI
13th July 2025
54AQI
54AQI
14th July 2025
58AQI
58AQI
15th July 2025
54AQI
54AQI
16th July 2025
53AQI
53AQI
17th July 2025
58AQI
58AQI
18th July 2025
47AQI
47AQI
19th July 2025
44AQI
44AQI
20th July 2025
37AQI
37AQI
21st July 2025
35AQI
35AQI
22nd July 2025
34AQI
34AQI
23rd July 2025
35AQI
35AQI
24th July 2025
35AQI
35AQI
25th July 2025
37AQI
37AQI
26th July 2025
36AQI
36AQI
27th July 2025
44AQI
44AQI
28th July 2025
41AQI
41AQI
29th July 2025
35AQI
35AQI
30th July 2025
43AQI
43AQI
31st July 2025
42AQI
42AQI
1st August 2025
44AQI
44AQI
66AQI
60AQI
67AQI
69AQI
56AQI
45AQI
45AQI
44AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202558AQI
31
10
17
1
3
28
2
28
9
22
22
8
22
9
1
69
143
1
Highest AQI recorded in
April69AQI
Lowest AQI recorded in
August44AQI
202454AQI
6
23
2
9
19
1
4
24
3
6
23
1
10
21
28
1
31
25
6
24
6
22
9
17
12
1
9
21
1
191
165
8
1
Highest AQI recorded in
March76AQI
Lowest AQI recorded in
July31AQI
202349AQI
16
14
1
15
13
16
15
7
22
1
10
20
1
28
2
27
1
22
3
26
5
23
6
13
17
1
203
118
4
Highest AQI recorded in
April65AQI
Lowest AQI recorded in
July32AQI
202240AQI
21
9
13
6
10
19
2
15
15
31
29
23
1
20
8
28
3
28
2
25
6
244
68
2
Highest AQI recorded in
March60AQI
Lowest AQI recorded in
June28AQI
202152AQI
11
9
4
6
17
5
3
25
3
11
18
1
8
22
1
18
27
4
26
5
25
5
28
3
18
12
14
14
1
195
134
15
Highest AQI recorded in
March75AQI
Lowest AQI recorded in
June35AQI
202047AQI
9
1
28
3
11
16
7
13
11
10
27
4
93
47
Highest AQI recorded in
September58AQI
Lowest AQI recorded in
December38AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
58AQILeast Polluted Year Recorded
2022(Avg.)
40AQINorthcpc Taoyuan Refinery F4's annual 2025 AQI (58) shows an average percentage change of 21.7% (worsened AQI) compared to previous years: 2020 (47), 2021 (52), 2022 (40), 2023 (49), 2024 (54).
