Northcpc Taoyuan Refinery F1, 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+
September Air Quality Analysis
Northcpc Taoyuan Refinery F1, Taoyuan District, Taoyuan, Taiwan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
18th Sep 2022
84AQILowest AQI recorded on
14th Sep 2024
10AQISame Day Analysis (17th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 47 of Good air quality, showing improvement over 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 18th Sep - 19th Sep 2025
Northcpc Taoyuan Refinery F1, Taoyuan District, Taoyuan, Taiwan
AQI
Day
Night
.
5 AM18th Sep 2025
6 PM
4 AM19th Sep 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
6PM18th Sep
52AQI
Avg. Lowest Time
12PM18th Sep
31AQI
In the last 24 hours,
Northcpc Taoyuan Refinery F1's AQI reached its highest point of 52 at 6 PM during the Night, while the lowest point, 31, was recorded at 12 PM during the Night between 18th Sep and 19th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Northcpc Taoyuan Refinery F1, Taoyuan District, Taoyuan, Taiwan
AugSep
20th - 21st21st - 22nd22nd - 23rd23rd - 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
Day
Night
20th Aug 2025455 AMAQI
20th Aug 2025456 AMAQI
20th Aug 2025467 AMAQI
20th Aug 2025368 AMAQI
20th Aug 2025369 AMAQI
20th Aug 20253410 AMAQI
20th Aug 20253111 AMAQI
20th Aug 20253512 PMAQI
20th Aug 2025341 PMAQI
20th Aug 2025382 PMAQI
20th Aug 2025413 PMAQI
20th Aug 2025444 PMAQI
20th Aug 2025345 PMAQI
20th Aug 2025336 PMAQI
20th Aug 2025427 PMAQI
20th Aug 2025378 PMAQI
20th Aug 2025399 PMAQI
20th Aug 20253810 PMAQI
20th Aug 20253811 PMAQI
21st Aug 20254312 AMAQI
21st Aug 2025461 AMAQI
21st Aug 2025452 AMAQI
21st Aug 2025443 AMAQI
21st Aug 2025424 AMAQI
30°C26/35°C
21st Aug 2025425 AMAQI
21st Aug 2025436 AMAQI
21st Aug 2025447 AMAQI
21st Aug 2025348 AMAQI
21st Aug 2025409 AMAQI
21st Aug 20253410 AMAQI
21st Aug 20253211 AMAQI
21st Aug 20254112 PMAQI
21st Aug 2025441 PMAQI
21st Aug 2025442 PMAQI
21st Aug 2025343 PMAQI
21st Aug 2025384 PMAQI
21st Aug 2025355 PMAQI
21st Aug 2025406 PMAQI
21st Aug 2025447 PMAQI
21st Aug 2025448 PMAQI
21st Aug 2025449 PMAQI
21st Aug 20254510 PMAQI
21st Aug 20254211 PMAQI
22nd Aug 20254612 AMAQI
22nd Aug 2025451 AMAQI
22nd Aug 2025442 AMAQI
22nd Aug 2025443 AMAQI
22nd Aug 2025424 AMAQI
30°C27/35°C
22nd Aug 2025445 AMAQI
22nd Aug 2025426 AMAQI
22nd Aug 2025427 AMAQI
22nd Aug 2025468 AMAQI
22nd Aug 2025409 AMAQI
22nd Aug 20255510 AMAQI
22nd Aug 20255711 AMAQI
22nd Aug 20255412 PMAQI
22nd Aug 2025601 PMAQI
22nd Aug 2025602 PMAQI
22nd Aug 2025543 PMAQI
22nd Aug 2025494 PMAQI
22nd Aug 2025435 PMAQI
22nd Aug 2025466 PMAQI
22nd Aug 2025457 PMAQI
22nd Aug 2025448 PMAQI
22nd Aug 2025429 PMAQI
22nd Aug 20254210 PMAQI
22nd Aug 20254211 PMAQI
23rd Aug 20254412 AMAQI
23rd Aug 2025441 AMAQI
23rd Aug 2025442 AMAQI
23rd Aug 2025463 AMAQI
23rd Aug 2025484 AMAQI
30°C27/35°C
23rd Aug 2025475 AMAQI
23rd Aug 2025476 AMAQI
23rd Aug 2025477 AMAQI
23rd Aug 2025618 AMAQI
23rd Aug 2025559 AMAQI
23rd Aug 20255410 AMAQI
23rd Aug 20255511 AMAQI
23rd Aug 20254812 PMAQI
23rd Aug 2025411 PMAQI
23rd Aug 2025392 PMAQI
23rd Aug 2025343 PMAQI
23rd Aug 2025384 PMAQI
23rd Aug 2025385 PMAQI
23rd Aug 2025476 PMAQI
23rd Aug 2025447 PMAQI
23rd Aug 2025468 PMAQI
23rd Aug 2025489 PMAQI
23rd Aug 20254610 PMAQI
23rd Aug 20254711 PMAQI
24th Aug 20254712 AMAQI
24th Aug 2025461 AMAQI
24th Aug 2025462 AMAQI
24th Aug 2025483 AMAQI
24th Aug 2025474 AMAQI
30°C27/34°C
24th Aug 2025485 AMAQI
24th Aug 2025486 AMAQI
24th Aug 2025487 AMAQI
24th Aug 2025518 AMAQI
24th Aug 2025509 AMAQI
24th Aug 20254810 AMAQI
24th Aug 20254711 AMAQI
24th Aug 20255012 PMAQI
24th Aug 2025541 PMAQI
24th Aug 2025542 PMAQI
24th Aug 2025523 PMAQI
24th Aug 2025384 PMAQI
24th Aug 2025305 PMAQI
24th Aug 2025366 PMAQI
24th Aug 2025407 PMAQI
24th Aug 2025458 PMAQI
24th Aug 2025459 PMAQI
24th Aug 20254710 PMAQI
24th Aug 20254411 PMAQI
25th Aug 20254212 AMAQI
25th Aug 2025461 AMAQI
25th Aug 2025462 AMAQI
25th Aug 2025473 AMAQI
25th Aug 2025504 AMAQI
30°C27/34°C
25th Aug 2025475 AMAQI
25th Aug 2025476 AMAQI
25th Aug 2025497 AMAQI
25th Aug 2025378 AMAQI
25th Aug 2025429 AMAQI
25th Aug 20254510 AMAQI
25th Aug 20254511 AMAQI
25th Aug 20254612 PMAQI
25th Aug 2025461 PMAQI
25th Aug 2025352 PMAQI
25th Aug 2025323 PMAQI
25th Aug 2025404 PMAQI
25th Aug 2025295 PMAQI
25th Aug 2025256 PMAQI
25th Aug 2025357 PMAQI
25th Aug 2025368 PMAQI
25th Aug 2025389 PMAQI
25th Aug 20253710 PMAQI
25th Aug 20253511 PMAQI
26th Aug 20254312 AMAQI
26th Aug 2025491 AMAQI
26th Aug 2025482 AMAQI
26th Aug 2025473 AMAQI
26th Aug 2025464 AMAQI
31°C27/35°C
26th Aug 2025465 AMAQI
26th Aug 2025486 AMAQI
26th Aug 2025507 AMAQI
26th Aug 2025288 AMAQI
26th Aug 2025339 AMAQI
26th Aug 20252810 AMAQI
26th Aug 20253811 AMAQI
26th Aug 20254112 PMAQI
26th Aug 2025401 PMAQI
26th Aug 2025372 PMAQI
26th Aug 2025563 PMAQI
26th Aug 2025544 PMAQI
26th Aug 2025415 PMAQI
26th Aug 2025416 PMAQI
26th Aug 2025347 PMAQI
26th Aug 2025388 PMAQI
26th Aug 2025399 PMAQI
26th Aug 20253410 PMAQI
26th Aug 20253411 PMAQI
27th Aug 20254312 AMAQI
27th Aug 2025481 AMAQI
27th Aug 2025482 AMAQI
27th Aug 2025473 AMAQI
27th Aug 2025454 AMAQI
30°C27/35°C
27th Aug 2025445 AMAQI
27th Aug 2025446 AMAQI
27th Aug 2025437 AMAQI
27th Aug 2025368 AMAQI
27th Aug 2025309 AMAQI
27th Aug 20253310 AMAQI
27th Aug 20253111 AMAQI
27th Aug 20253812 PMAQI
27th Aug 2025481 PMAQI
27th Aug 2025462 PMAQI
27th Aug 2025363 PMAQI
27th Aug 2025324 PMAQI
27th Aug 2025235 PMAQI
27th Aug 2025326 PMAQI
27th Aug 2025427 PMAQI
27th Aug 2025418 PMAQI
27th Aug 2025389 PMAQI
27th Aug 20253710 PMAQI
27th Aug 20253211 PMAQI
28th Aug 20254012 AMAQI
28th Aug 2025451 AMAQI
28th Aug 2025472 AMAQI
28th Aug 2025453 AMAQI
28th Aug 2025444 AMAQI
29°C26/33°C
28th Aug 2025435 AMAQI
28th Aug 2025446 AMAQI
28th Aug 2025437 AMAQI
28th Aug 2025408 AMAQI
28th Aug 2025429 AMAQI
28th Aug 20253110 AMAQI
28th Aug 20253511 AMAQI
28th Aug 20254212 PMAQI
28th Aug 2025421 PMAQI
28th Aug 2025402 PMAQI
28th Aug 2025443 PMAQI
28th Aug 2025424 PMAQI
28th Aug 2025405 PMAQI
28th Aug 2025426 PMAQI
28th Aug 2025337 PMAQI
28th Aug 2025368 PMAQI
28th Aug 2025359 PMAQI
28th Aug 20253210 PMAQI
28th Aug 20253411 PMAQI
29th Aug 20253712 AMAQI
29th Aug 2025441 AMAQI
29th Aug 2025462 AMAQI
29th Aug 2025443 AMAQI
29th Aug 2025414 AMAQI
30°C26/35°C
29th Aug 2025435 AMAQI
29th Aug 2025426 AMAQI
29th Aug 2025427 AMAQI
29th Aug 2025258 AMAQI
29th Aug 2025259 AMAQI
29th Aug 20253010 AMAQI
29th Aug 20253211 AMAQI
29th Aug 20253612 PMAQI
29th Aug 2025261 PMAQI
29th Aug 2025362 PMAQI
29th Aug 2025253 PMAQI
29th Aug 2025224 PMAQI
29th Aug 2025235 PMAQI
29th Aug 2025266 PMAQI
29th Aug 2025347 PMAQI
29th Aug 2025448 PMAQI
29th Aug 2025389 PMAQI
29th Aug 20254210 PMAQI
29th Aug 20253811 PMAQI
30th Aug 20254112 AMAQI
30th Aug 2025461 AMAQI
30th Aug 2025452 AMAQI
30th Aug 2025423 AMAQI
30th Aug 2025394 AMAQI
30°C26/35°C
30th Aug 2025385 AMAQI
30th Aug 2025426 AMAQI
30th Aug 2025427 AMAQI
30th Aug 2025308 AMAQI
30th Aug 2025369 AMAQI
30th Aug 20254410 AMAQI
30th Aug 20253611 AMAQI
30th Aug 20253712 PMAQI
30th Aug 2025461 PMAQI
30th Aug 2025382 PMAQI
30th Aug 2025363 PMAQI
30th Aug 2025384 PMAQI
30th Aug 2025365 PMAQI
30th Aug 2025346 PMAQI
30th Aug 2025367 PMAQI
30th Aug 2025388 PMAQI
30th Aug 2025379 PMAQI
30th Aug 20253610 PMAQI
30th Aug 20253611 PMAQI
31st Aug 20254512 AMAQI
31st Aug 2025441 AMAQI
31st Aug 2025432 AMAQI
31st Aug 2025413 AMAQI
31st Aug 2025434 AMAQI
29°C26/33°C
31st Aug 2025395 AMAQI
31st Aug 2025426 AMAQI
31st Aug 2025407 AMAQI
31st Aug 2025438 AMAQI
31st Aug 2025569 AMAQI
31st Aug 20255310 AMAQI
31st Aug 20255011 AMAQI
31st Aug 20255212 PMAQI
31st Aug 2025551 PMAQI
31st Aug 2025472 PMAQI
31st Aug 2025413 PMAQI
31st Aug 2025404 PMAQI
31st Aug 2025485 PMAQI
31st Aug 2025386 PMAQI
31st Aug 2025417 PMAQI
31st Aug 2025498 PMAQI
31st Aug 2025449 PMAQI
31st Aug 20254910 PMAQI
31st Aug 20254611 PMAQI
1st Sep 20254212 AMAQI
1st Sep 2025441 AMAQI
1st Sep 2025432 AMAQI
1st Sep 2025443 AMAQI
1st Sep 2025444 AMAQI
30°C27/34°C
1st Sep 2025465 AMAQI
1st Sep 2025476 AMAQI
1st Sep 2025467 AMAQI
1st Sep 2025428 AMAQI
1st Sep 2025529 AMAQI
1st Sep 20255510 AMAQI
1st Sep 20255511 AMAQI
1st Sep 20255812 PMAQI
1st Sep 2025591 PMAQI
1st Sep 2025642 PMAQI
1st Sep 2025543 PMAQI
1st Sep 2025624 PMAQI
1st Sep 2025635 PMAQI
1st Sep 2025586 PMAQI
1st Sep 2025567 PMAQI
1st Sep 2025568 PMAQI
1st Sep 2025549 PMAQI
1st Sep 20255510 PMAQI
1st Sep 20255111 PMAQI
2nd Sep 20255012 AMAQI
2nd Sep 2025441 AMAQI
2nd Sep 2025462 AMAQI
2nd Sep 2025463 AMAQI
2nd Sep 2025494 AMAQI
29°C27/32°C
2nd Sep 2025485 AMAQI
2nd Sep 2025486 AMAQI
2nd Sep 2025497 AMAQI
2nd Sep 2025588 AMAQI
2nd Sep 2025649 AMAQI
2nd Sep 20256010 AMAQI
2nd Sep 20256011 AMAQI
2nd Sep 20256112 PMAQI
2nd Sep 2025481 PMAQI
2nd Sep 2025442 PMAQI
2nd Sep 2025473 PMAQI
2nd Sep 2025564 PMAQI
2nd Sep 2025505 PMAQI
2nd Sep 2025536 PMAQI
2nd Sep 2025517 PMAQI
2nd Sep 2025488 PMAQI
2nd Sep 2025489 PMAQI
2nd Sep 20254810 PMAQI
2nd Sep 20254711 PMAQI
3rd Sep 20254712 AMAQI
3rd Sep 2025491 AMAQI
3rd Sep 2025512 AMAQI
3rd Sep 2025523 AMAQI
3rd Sep 2025524 AMAQI
29°C27/32°C
3rd Sep 2025515 AMAQI
3rd Sep 2025526 AMAQI
3rd Sep 2025527 AMAQI
3rd Sep 2025528 AMAQI
3rd Sep 2025619 AMAQI
3rd Sep 20255810 AMAQI
3rd Sep 20256611 AMAQI
3rd Sep 20256512 PMAQI
3rd Sep 2025621 PMAQI
3rd Sep 2025572 PMAQI
3rd Sep 2025553 PMAQI
3rd Sep 2025584 PMAQI
3rd Sep 2025575 PMAQI
3rd Sep 2025626 PMAQI
3rd Sep 2025567 PMAQI
3rd Sep 2025468 PMAQI
3rd Sep 2025489 PMAQI
3rd Sep 20254910 PMAQI
3rd Sep 20254811 PMAQI
4th Sep 20254612 AMAQI
4th Sep 2025481 AMAQI
4th Sep 2025482 AMAQI
4th Sep 2025493 AMAQI
4th Sep 2025524 AMAQI
29°C26/34°C
4th Sep 2025535 AMAQI
4th Sep 2025536 AMAQI
4th Sep 2025527 AMAQI
4th Sep 2025528 AMAQI
4th Sep 2025629 AMAQI
4th Sep 20255510 AMAQI
4th Sep 20255411 AMAQI
4th Sep 20256512 PMAQI
4th Sep 2025591 PMAQI
4th Sep 2025562 PMAQI
4th Sep 2025543 PMAQI
4th Sep 2025624 PMAQI
4th Sep 2025685 PMAQI
4th Sep 2025546 PMAQI
4th Sep 2025717 PMAQI
4th Sep 2025588 PMAQI
4th Sep 2025609 PMAQI
4th Sep 20255410 PMAQI
4th Sep 20252611 PMAQI
5th Sep 20257512 AMAQI
5th Sep 2025521 AMAQI
5th Sep 2025522 AMAQI
5th Sep 2025543 AMAQI
5th Sep 2025544 AMAQI
29°C27/34°C
5th Sep 2025535 AMAQI
5th Sep 2025546 AMAQI
5th Sep 2025537 AMAQI
5th Sep 2025518 AMAQI
5th Sep 2025589 AMAQI
5th Sep 20255410 AMAQI
5th Sep 20255211 AMAQI
5th Sep 20255812 PMAQI
5th Sep 2025581 PMAQI
5th Sep 2025532 PMAQI
5th Sep 2025573 PMAQI
5th Sep 2025594 PMAQI
5th Sep 2025455 PMAQI
5th Sep 2025416 PMAQI
5th Sep 2025617 PMAQI
5th Sep 2025468 PMAQI
5th Sep 2025469 PMAQI
5th Sep 20255410 PMAQI
5th Sep 20255011 PMAQI
6th Sep 20254212 AMAQI
6th Sep 2025451 AMAQI
6th Sep 2025522 AMAQI
6th Sep 2025533 AMAQI
6th Sep 2025544 AMAQI
30°C26/34°C
6th Sep 2025545 AMAQI
6th Sep 2025546 AMAQI
6th Sep 2025527 AMAQI
6th Sep 2025328 AMAQI
6th Sep 2025399 AMAQI
6th Sep 20254210 AMAQI
6th Sep 20253911 AMAQI
6th Sep 20254012 PMAQI
6th Sep 2025521 PMAQI
6th Sep 2025572 PMAQI
6th Sep 2025603 PMAQI
6th Sep 2025624 PMAQI
6th Sep 2025575 PMAQI
6th Sep 2025696 PMAQI
6th Sep 2025667 PMAQI
6th Sep 2025588 PMAQI
6th Sep 2025589 PMAQI
6th Sep 20255410 PMAQI
6th Sep 20255611 PMAQI
7th Sep 20255412 AMAQI
7th Sep 2025531 AMAQI
7th Sep 2025522 AMAQI
7th Sep 2025553 AMAQI
7th Sep 2025534 AMAQI
30°C27/35°C
7th Sep 2025525 AMAQI
7th Sep 2025546 AMAQI
7th Sep 2025527 AMAQI
7th Sep 2025348 AMAQI
7th Sep 2025379 AMAQI
7th Sep 20254910 AMAQI
7th Sep 20254611 AMAQI
7th Sep 20254812 PMAQI
7th Sep 2025381 PMAQI
7th Sep 2025352 PMAQI
7th Sep 2025343 PMAQI
7th Sep 2025384 PMAQI
7th Sep 2025415 PMAQI
7th Sep 2025346 PMAQI
7th Sep 2025477 PMAQI
7th Sep 2025438 PMAQI
7th Sep 2025409 PMAQI
7th Sep 20254110 PMAQI
7th Sep 20253811 PMAQI
8th Sep 20254712 AMAQI
8th Sep 2025531 AMAQI
8th Sep 2025532 AMAQI
8th Sep 2025523 AMAQI
8th Sep 2025524 AMAQI
29°C27/32°C
8th Sep 2025525 AMAQI
8th Sep 2025526 AMAQI
8th Sep 2025527 AMAQI
8th Sep 2025348 AMAQI
8th Sep 2025289 AMAQI
8th Sep 20253010 AMAQI
8th Sep 20252211 AMAQI
8th Sep 20252412 PMAQI
8th Sep 2025301 PMAQI
8th Sep 2025242 PMAQI
8th Sep 2025283 PMAQI
8th Sep 2025304 PMAQI
8th Sep 2025305 PMAQI
8th Sep 2025296 PMAQI
8th Sep 2025387 PMAQI
8th Sep 2025388 PMAQI
8th Sep 2025409 PMAQI
8th Sep 20254110 PMAQI
8th Sep 20254511 PMAQI
9th Sep 20254712 AMAQI
9th Sep 2025531 AMAQI
9th Sep 2025532 AMAQI
9th Sep 2025523 AMAQI
9th Sep 2025504 AMAQI
29°C26/34°C
9th Sep 2025465 AMAQI
9th Sep 2025466 AMAQI
9th Sep 2025467 AMAQI
9th Sep 2025378 AMAQI
9th Sep 2025419 AMAQI
9th Sep 20253910 AMAQI
9th Sep 20253611 AMAQI
9th Sep 20255012 PMAQI
9th Sep 2025421 PMAQI
9th Sep 2025402 PMAQI
9th Sep 2025363 PMAQI
9th Sep 2025384 PMAQI
9th Sep 2025285 PMAQI
9th Sep 2025366 PMAQI
9th Sep 2025407 PMAQI
9th Sep 2025438 PMAQI
9th Sep 2025429 PMAQI
9th Sep 20254410 PMAQI
9th Sep 20254411 PMAQI
10th Sep 20254812 AMAQI
10th Sep 2025511 AMAQI
10th Sep 2025502 AMAQI
10th Sep 2025523 AMAQI
10th Sep 2025494 AMAQI
29°C27/33°C
10th Sep 2025495 AMAQI
10th Sep 2025486 AMAQI
10th Sep 2025497 AMAQI
10th Sep 2025268 AMAQI
10th Sep 2025349 AMAQI
10th Sep 20252410 AMAQI
10th Sep 20252611 AMAQI
10th Sep 20252812 PMAQI
10th Sep 2025361 PMAQI
10th Sep 2025382 PMAQI
10th Sep 2025403 PMAQI
10th Sep 2025344 PMAQI
10th Sep 2025395 PMAQI
10th Sep 2025426 PMAQI
10th Sep 2025487 PMAQI
10th Sep 2025528 PMAQI
10th Sep 2025519 PMAQI
10th Sep 20255010 PMAQI
10th Sep 20254711 PMAQI
11th Sep 20255112 AMAQI
11th Sep 2025491 AMAQI
11th Sep 2025522 AMAQI
11th Sep 2025473 AMAQI
11th Sep 2025454 AMAQI
29°C27/34°C
11th Sep 2025475 AMAQI
11th Sep 2025476 AMAQI
11th Sep 2025477 AMAQI
11th Sep 2025398 AMAQI
11th Sep 2025379 AMAQI
11th Sep 20252910 AMAQI
11th Sep 20254011 AMAQI
11th Sep 20254412 PMAQI
11th Sep 2025461 PMAQI
11th Sep 2025502 PMAQI
11th Sep 2025413 PMAQI
11th Sep 2025514 PMAQI
11th Sep 2025405 PMAQI
11th Sep 2025356 PMAQI
11th Sep 2025437 PMAQI
11th Sep 2025528 PMAQI
11th Sep 2025479 PMAQI
11th Sep 20254810 PMAQI
11th Sep 20254711 PMAQI
12th Sep 20254612 AMAQI
12th Sep 2025521 AMAQI
12th Sep 2025522 AMAQI
12th Sep 2025483 AMAQI
12th Sep 2025474 AMAQI
29°C26/33°C
12th Sep 2025465 AMAQI
12th Sep 2025486 AMAQI
12th Sep 2025497 AMAQI
12th Sep 2025488 AMAQI
12th Sep 2025519 AMAQI
12th Sep 20255210 AMAQI
12th Sep 20255211 AMAQI
12th Sep 20254612 PMAQI
12th Sep 2025451 PMAQI
12th Sep 2025492 PMAQI
12th Sep 2025403 PMAQI
12th Sep 2025414 PMAQI
12th Sep 2025415 PMAQI
12th Sep 2025436 PMAQI
12th Sep 2025467 PMAQI
12th Sep 2025528 PMAQI
12th Sep 2025529 PMAQI
12th Sep 20255110 PMAQI
12th Sep 20254811 PMAQI
13th Sep 20254812 AMAQI
13th Sep 2025481 AMAQI
13th Sep 2025492 AMAQI
13th Sep 2025493 AMAQI
13th Sep 2025504 AMAQI
29°C26/33°C
13th Sep 2025485 AMAQI
13th Sep 2025496 AMAQI
13th Sep 2025487 AMAQI
13th Sep 2025408 AMAQI
13th Sep 2025479 AMAQI
13th Sep 20255010 AMAQI
13th Sep 20254711 AMAQI
13th Sep 20253612 PMAQI
13th Sep 2025381 PMAQI
13th Sep 2025392 PMAQI
13th Sep 2025373 PMAQI
13th Sep 2025444 PMAQI
13th Sep 2025505 PMAQI
13th Sep 2025486 PMAQI
13th Sep 2025507 PMAQI
13th Sep 2025508 PMAQI
13th Sep 2025539 PMAQI
13th Sep 20255210 PMAQI
13th Sep 20254211 PMAQI
14th Sep 20254812 AMAQI
14th Sep 2025501 AMAQI
14th Sep 2025492 AMAQI
14th Sep 2025483 AMAQI
14th Sep 2025474 AMAQI
30°C26/34°C
14th Sep 2025475 AMAQI
14th Sep 2025476 AMAQI
14th Sep 2025467 AMAQI
14th Sep 2025508 AMAQI
14th Sep 2025539 AMAQI
14th Sep 20255010 AMAQI
14th Sep 20255511 AMAQI
14th Sep 20255012 PMAQI
14th Sep 2025551 PMAQI
14th Sep 2025502 PMAQI
14th Sep 2025433 PMAQI
14th Sep 2025544 PMAQI
14th Sep 2025465 PMAQI
14th Sep 2025476 PMAQI
14th Sep 2025527 PMAQI
14th Sep 2025538 PMAQI
14th Sep 2025519 PMAQI
14th Sep 20254810 PMAQI
14th Sep 20255111 PMAQI
15th Sep 20255012 AMAQI
15th Sep 2025501 AMAQI
15th Sep 2025502 AMAQI
15th Sep 2025493 AMAQI
15th Sep 2025484 AMAQI
29°C27/33°C
15th Sep 2025485 AMAQI
15th Sep 2025506 AMAQI
15th Sep 2025507 AMAQI
15th Sep 2025558 AMAQI
15th Sep 2025589 AMAQI
15th Sep 20255810 AMAQI
15th Sep 20255911 AMAQI
15th Sep 20255412 PMAQI
15th Sep 2025571 PMAQI
15th Sep 2025562 PMAQI
15th Sep 2025603 PMAQI
15th Sep 2025484 PMAQI
15th Sep 2025515 PMAQI
15th Sep 2025436 PMAQI
15th Sep 2025307 PMAQI
15th Sep 2025408 PMAQI
15th Sep 2025469 PMAQI
15th Sep 20254610 PMAQI
15th Sep 20254311 PMAQI
16th Sep 20254412 AMAQI
16th Sep 2025511 AMAQI
16th Sep 2025512 AMAQI
16th Sep 2025523 AMAQI
16th Sep 2025524 AMAQI
30°C26/34°C
16th Sep 2025525 AMAQI
16th Sep 2025526 AMAQI
16th Sep 2025527 AMAQI
16th Sep 2025368 AMAQI
16th Sep 2025259 AMAQI
16th Sep 20253210 AMAQI
16th Sep 20254411 AMAQI
16th Sep 20253612 PMAQI
16th Sep 2025361 PMAQI
16th Sep 2025422 PMAQI
16th Sep 2025503 PMAQI
16th Sep 2025604 PMAQI
16th Sep 2025405 PMAQI
16th Sep 2025326 PMAQI
16th Sep 2025347 PMAQI
16th Sep 2025388 PMAQI
16th Sep 2025409 PMAQI
16th Sep 20254210 PMAQI
16th Sep 20254411 PMAQI
17th Sep 20254712 AMAQI
17th Sep 2025521 AMAQI
17th Sep 2025522 AMAQI
17th Sep 2025503 AMAQI
17th Sep 2025484 AMAQI
30°C26/34°C
17th Sep 2025485 AMAQI
17th Sep 2025486 AMAQI
17th Sep 2025487 AMAQI
17th Sep 2025328 AMAQI
17th Sep 2025239 AMAQI
17th Sep 20253410 AMAQI
17th Sep 20253211 AMAQI
17th Sep 20254712 PMAQI
17th Sep 2025541 PMAQI
17th Sep 2025522 PMAQI
17th Sep 2025573 PMAQI
17th Sep 2025574 PMAQI
17th Sep 2025505 PMAQI
17th Sep 2025426 PMAQI
17th Sep 2025467 PMAQI
17th Sep 2025518 PMAQI
17th Sep 2025439 PMAQI
17th Sep 20254210 PMAQI
17th Sep 20253811 PMAQI
18th Sep 20253512 AMAQI
18th Sep 2025381 AMAQI
18th Sep 2025502 AMAQI
18th Sep 2025503 AMAQI
18th Sep 2025484 AMAQI
30°C27/35°C
18th Sep 2025485 AMAQI
18th Sep 2025496 AMAQI
18th Sep 2025487 AMAQI
18th Sep 2025438 AMAQI
18th Sep 2025319 AMAQI
18th Sep 20253110 AMAQI
18th Sep 20253111 AMAQI
18th Sep 20253112 PMAQI
18th Sep 2025441 PMAQI
18th Sep 2025322 PMAQI
18th Sep 2025373 PMAQI
18th Sep 2025444 PMAQI
18th Sep 2025515 PMAQI
18th Sep 2025526 PMAQI
18th Sep 2025407 PMAQI
18th Sep 2025348 PMAQI
18th Sep 2025499 PMAQI
18th Sep 20253610 PMAQI
18th Sep 20253411 PMAQI
19th Sep 20253612 AMAQI
19th Sep 2025461 AMAQI
19th Sep 2025472 AMAQI
19th Sep 2025463 AMAQI
19th Sep 2025444 AMAQI
--°C/°C
5 AM
11 AM
6 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 7 AM
48AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
8 AM
41AQI
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. 48), while the lowest AQI was between 8 AM to 8 AM (Avg. 41).
Night time
Avg. Highest Time
1 AM - 4 AM
48AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
11 PM
42AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 4 AM (Avg. 48), while the lowest AQI was between 11 PM to 11 PM (Avg. 42).
2025 Days Vs Air Quality
Northcpc Taoyuan Refinery F1, Taoyuan District, Taoyuan, Taiwan
2025
42%
109
58%
150
0.3%
1
Total number of days with different AQI categories in last 261 days in 2025 (104 days remaining)
Good
109 DaysModerate
150 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 42%
Health Risk Level:
Significant
In 2025, 42% of 261 days were within WHO’s safe air quality limits, and 58% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Northcpc Taoyuan Refinery F1, 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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
82AQI
82AQI
2nd January 2025
60AQI
60AQI
3rd January 2025
67AQI
67AQI
4th January 2025
55AQI
55AQI
5th January 2025
63AQI
63AQI
6th January 2025
76AQI
76AQI
7th January 2025
68AQI
68AQI
8th January 2025
58AQI
58AQI
9th January 2025
70AQI
70AQI
10th January 2025
58AQI
58AQI
11th January 2025
54AQI
54AQI
12th January 2025
52AQI
52AQI
13th January 2025
56AQI
56AQI
14th January 2025
64AQI
64AQI
15th January 2025
84AQI
84AQI
16th January 2025
59AQI
59AQI
17th January 2025
60AQI
60AQI
18th January 2025
51AQI
51AQI
19th January 2025
59AQI
59AQI
20th January 2025
63AQI
63AQI
21st January 2025
77AQI
77AQI
22nd January 2025
88AQI
88AQI
23rd January 2025
67AQI
67AQI
24th January 2025
66AQI
66AQI
25th January 2025
68AQI
68AQI
26th January 2025
62AQI
62AQI
27th January 2025
63AQI
63AQI
28th January 2025
58AQI
58AQI
29th January 2025
56AQI
56AQI
30th January 2025
56AQI
56AQI
31st January 2025
55AQI
55AQI
1st February 2025
46AQI
46AQI
2nd February 2025
48AQI
48AQI
3rd February 2025
44AQI
44AQI
4th February 2025
76AQI
76AQI
5th February 2025
54AQI
54AQI
6th February 2025
53AQI
53AQI
7th February 2025
50AQI
50AQI
8th February 2025
61AQI
61AQI
9th February 2025
52AQI
52AQI
10th February 2025
48AQI
48AQI
11th February 2025
58AQI
58AQI
12th February 2025
79AQI
79AQI
13th February 2025
50AQI
50AQI
14th February 2025
50AQI
50AQI
15th February 2025
52AQI
52AQI
16th February 2025
69AQI
69AQI
17th February 2025
93AQI
93AQI
18th February 2025
54AQI
54AQI
19th February 2025
57AQI
57AQI
20th February 2025
60AQI
60AQI
21st February 2025
40AQI
40AQI
22nd February 2025
49AQI
49AQI
23rd February 2025
42AQI
42AQI
24th February 2025
67AQI
67AQI
25th February 2025
66AQI
66AQI
26th February 2025
77AQI
77AQI
27th February 2025
111AQI
111AQI
28th February 2025
80AQI
80AQI
1st March 2025
92AQI
92AQI
2nd March 2025
73AQI
73AQI
3rd March 2025
92AQI
92AQI
4th March 2025
56AQI
56AQI
5th March 2025
55AQI
55AQI
6th March 2025
47AQI
47AQI
7th March 2025
60AQI
60AQI
8th March 2025
57AQI
57AQI
9th March 2025
54AQI
54AQI
10th March 2025
70AQI
70AQI
11th March 2025
81AQI
81AQI
12th March 2025
82AQI
82AQI
13th March 2025
72AQI
72AQI
14th March 2025
66AQI
66AQI
15th March 2025
53AQI
53AQI
16th March 2025
70AQI
70AQI
17th March 2025
74AQI
74AQI
18th March 2025
60AQI
60AQI
19th March 2025
65AQI
65AQI
20th March 2025
59AQI
59AQI
21st March 2025
59AQI
59AQI
22nd March 2025
71AQI
71AQI
23rd March 2025
74AQI
74AQI
24th March 2025
76AQI
76AQI
25th March 2025
80AQI
80AQI
26th March 2025
82AQI
82AQI
27th March 2025
74AQI
74AQI
28th March 2025
74AQI
74AQI
29th March 2025
57AQI
57AQI
30th March 2025
41AQI
41AQI
31st March 2025
40AQI
40AQI
1st April 2025
44AQI
44AQI
2nd April 2025
55AQI
55AQI
3rd April 2025
53AQI
53AQI
4th April 2025
67AQI
67AQI
5th April 2025
73AQI
73AQI
6th April 2025
65AQI
65AQI
7th April 2025
72AQI
72AQI
8th April 2025
84AQI
84AQI
9th April 2025
88AQI
88AQI
10th April 2025
71AQI
71AQI
11th April 2025
83AQI
83AQI
12th April 2025
65AQI
65AQI
13th April 2025
93AQI
93AQI
14th April 2025
78AQI
78AQI
15th April 2025
87AQI
87AQI
16th April 2025
86AQI
86AQI
17th April 2025
86AQI
86AQI
18th April 2025
83AQI
83AQI
19th April 2025
73AQI
73AQI
20th April 2025
68AQI
68AQI
21st April 2025
73AQI
73AQI
22nd April 2025
64AQI
64AQI
23rd April 2025
58AQI
58AQI
24th April 2025
51AQI
51AQI
25th April 2025
50AQI
50AQI
26th April 2025
47AQI
47AQI
27th April 2025
55AQI
55AQI
28th April 2025
58AQI
58AQI
29th April 2025
59AQI
59AQI
30th April 2025
70AQI
70AQI
1st May 2025
69AQI
69AQI
2nd May 2025
70AQI
70AQI
3rd May 2025
68AQI
68AQI
4th May 2025
69AQI
69AQI
5th May 2025
69AQI
69AQI
6th May 2025
67AQI
67AQI
7th May 2025
57AQI
57AQI
8th May 2025
60AQI
60AQI
9th May 2025
56AQI
56AQI
10th May 2025
49AQI
49AQI
11th May 2025
48AQI
48AQI
12th May 2025
58AQI
58AQI
13th May 2025
62AQI
62AQI
14th May 2025
64AQI
64AQI
15th May 2025
57AQI
57AQI
16th May 2025
57AQI
57AQI
17th May 2025
54AQI
54AQI
18th May 2025
50AQI
50AQI
19th May 2025
50AQI
50AQI
20th May 2025
54AQI
54AQI
21st May 2025
50AQI
50AQI
22nd May 2025
57AQI
57AQI
23rd May 2025
54AQI
54AQI
24th May 2025
44AQI
44AQI
25th May 2025
65AQI
65AQI
26th May 2025
52AQI
52AQI
27th May 2025
49AQI
49AQI
28th May 2025
46AQI
46AQI
29th May 2025
40AQI
40AQI
30th May 2025
51AQI
51AQI
31st May 2025
58AQI
58AQI
1st June 2025
60AQI
60AQI
2nd June 2025
54AQI
54AQI
3rd June 2025
48AQI
48AQI
4th June 2025
47AQI
47AQI
5th June 2025
52AQI
52AQI
6th June 2025
48AQI
48AQI
7th June 2025
56AQI
56AQI
8th June 2025
48AQI
48AQI
9th June 2025
52AQI
52AQI
10th June 2025
51AQI
51AQI
11th June 2025
51AQI
51AQI
12th June 2025
35AQI
35AQI
13th June 2025
47AQI
47AQI
14th June 2025
40AQI
40AQI
15th June 2025
43AQI
43AQI
16th June 2025
40AQI
40AQI
17th June 2025
36AQI
36AQI
18th June 2025
44AQI
44AQI
19th June 2025
41AQI
41AQI
20th June 2025
42AQI
42AQI
21st June 2025
43AQI
43AQI
22nd June 2025
37AQI
37AQI
23rd June 2025
43AQI
43AQI
24th June 2025
48AQI
48AQI
25th June 2025
50AQI
50AQI
26th June 2025
54AQI
54AQI
27th June 2025
47AQI
47AQI
28th June 2025
49AQI
49AQI
29th June 2025
46AQI
46AQI
30th June 2025
48AQI
48AQI
1st July 2025
52AQI
52AQI
2nd July 2025
44AQI
44AQI
3rd July 2025
50AQI
50AQI
4th July 2025
52AQI
52AQI
5th July 2025
44AQI
44AQI
6th July 2025
39AQI
39AQI
7th July 2025
35AQI
35AQI
8th July 2025
49AQI
49AQI
9th July 2025
51AQI
51AQI
10th July 2025
51AQI
51AQI
11th July 2025
51AQI
51AQI
12th July 2025
53AQI
53AQI
13th July 2025
54AQI
54AQI
14th July 2025
57AQI
57AQI
15th July 2025
51AQI
51AQI
16th July 2025
54AQI
54AQI
17th July 2025
59AQI
59AQI
18th July 2025
46AQI
46AQI
19th July 2025
39AQI
39AQI
20th July 2025
38AQI
38AQI
21st July 2025
38AQI
38AQI
22nd July 2025
35AQI
35AQI
23rd July 2025
33AQI
33AQI
24th July 2025
36AQI
36AQI
25th July 2025
37AQI
37AQI
26th July 2025
38AQI
38AQI
27th July 2025
47AQI
47AQI
28th July 2025
39AQI
39AQI
29th July 2025
38AQI
38AQI
30th July 2025
43AQI
43AQI
31st July 2025
41AQI
41AQI
1st August 2025
44AQI
44AQI
2nd August 2025
41AQI
41AQI
3rd August 2025
40AQI
40AQI
4th August 2025
40AQI
40AQI
5th August 2025
45AQI
45AQI
6th August 2025
49AQI
49AQI
7th August 2025
52AQI
52AQI
8th August 2025
59AQI
59AQI
9th August 2025
50AQI
50AQI
10th August 2025
46AQI
46AQI
11th August 2025
44AQI
44AQI
12th August 2025
49AQI
49AQI
13th August 2025
44AQI
44AQI
14th August 2025
40AQI
40AQI
15th August 2025
35AQI
35AQI
16th August 2025
36AQI
36AQI
17th August 2025
37AQI
37AQI
18th August 2025
45AQI
45AQI
19th August 2025
46AQI
46AQI
20th August 2025
40AQI
40AQI
21st August 2025
41AQI
41AQI
22nd August 2025
46AQI
46AQI
23rd August 2025
46AQI
46AQI
24th August 2025
46AQI
46AQI
25th August 2025
41AQI
41AQI
26th August 2025
42AQI
42AQI
27th August 2025
39AQI
39AQI
28th August 2025
40AQI
40AQI
29th August 2025
36AQI
36AQI
30th August 2025
39AQI
39AQI
31st August 2025
45AQI
45AQI
1st September 2025
52AQI
52AQI
2nd September 2025
50AQI
50AQI
3rd September 2025
54AQI
54AQI
4th September 2025
55AQI
55AQI
5th September 2025
49AQI
49AQI
6th September 2025
53AQI
53AQI
7th September 2025
45AQI
45AQI
8th September 2025
40AQI
40AQI
9th September 2025
43AQI
43AQI
10th September 2025
44AQI
44AQI
11th September 2025
45AQI
45AQI
12th September 2025
48AQI
48AQI
13th September 2025
47AQI
47AQI
14th September 2025
49AQI
49AQI
15th September 2025
49AQI
49AQI
16th September 2025
43AQI
43AQI
17th September 2025
47AQI
47AQI
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
60AQI
67AQI
69AQI
57AQI
47AQI
45AQI
43AQI
48AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202556AQI
31
10
17
1
3
28
3
27
9
22
22
8
20
11
29
2
13
4
109
150
1
Highest AQI recorded in
April69AQI
Lowest AQI recorded in
August43AQI
202452AQI
3
26
2
5
23
1
1
25
5
6
24
15
16
29
31
19
12
27
3
25
6
19
11
13
17
1
193
163
9
Highest AQI recorded in
March76AQI
Lowest AQI recorded in
September30AQI
202355AQI
7
20
4
4
23
4
24
3
5
23
2
10
20
1
25
5
27
4
24
7
22
8
21
10
13
16
9
21
1
171
181
11
Highest AQI recorded in
March71AQI
Lowest AQI recorded in
September38AQI
202247AQI
22
8
18
2
13
16
2
9
21
30
1
29
22
1
3
25
6
25
20
10
19
12
191
121
2
Highest AQI recorded in
September62AQI
Lowest AQI recorded in
June31AQI
202147AQI
9
15
10
13
5
9
21
1
22
8
26
5
18
27
4
28
3
26
4
30
1
26
4
23
6
254
84
6
Highest AQI recorded in
February70AQI
Lowest AQI recorded in
October35AQI
202041AQI
10
30
1
15
12
15
5
18
3
22
9
110
30
Highest AQI recorded in
September49AQI
Lowest AQI recorded in
July32AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
56AQILeast Polluted Year Recorded
2020(Avg.)
41AQINorthcpc Taoyuan Refinery F1's annual 2025 AQI (56) shows an average percentage change of 16.4% (worsened AQI) compared to previous years: 2020 (41), 2021 (47), 2022 (47), 2023 (55), 2024 (52).
