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HistoryAQIPM2.5PM10COSO2NO2O3

Northcpc Taoyuan Refinery F5, Zhongli, 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 F5, Zhongli, Taoyuan, Taiwan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
15th Sep 2022
106AQI
Lowest AQI recorded on
5th Sep 2021
10AQI

Same Day Analysis (17th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 49 of Good air quality, showing improvement over 2023, 2022 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 17th Sep - 18th Sep 2025

Northcpc Taoyuan Refinery F5, Zhongli, Taoyuan, Taiwan

AQI
Day
Night
.

5 AM17th Sep 2025

6 PM

4 AM18th Sep 2025

Day time
Avg. Highest Time
12AMNaNth undefined

AQI

Avg. Lowest Time
12AMNaNth undefined

AQI

Night time
Avg. Highest Time
3PM17th Sep

54AQI

Avg. Lowest Time
9AM17th Sep

26AQI

In the last 24 hours,

Northcpc Taoyuan Refinery F5's AQI reached its highest point of 54 at 3 PM during the Night, while the lowest point, 26, was recorded at 9 AM during the Night between 17th Sep and 18th Sep 2025.

Day & Night AQI Trend : Aug - Sep 2025

Northcpc Taoyuan Refinery F5, Zhongli, Taoyuan, Taiwan

AugSep
19th - 20th20th - 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
Day
Night
19th Aug 2025425 AMAQI
19th Aug 2025426 AMAQI
19th Aug 2025427 AMAQI
19th Aug 2025488 AMAQI
19th Aug 2025459 AMAQI
19th Aug 20254610 AMAQI
19th Aug 20254511 AMAQI
19th Aug 20254212 PMAQI
19th Aug 2025491 PMAQI
19th Aug 2025522 PMAQI
19th Aug 2025503 PMAQI
19th Aug 2025464 PMAQI
19th Aug 2025485 PMAQI
19th Aug 2025486 PMAQI
19th Aug 2025467 PMAQI
19th Aug 2025458 PMAQI
19th Aug 2025449 PMAQI
19th Aug 20254110 PMAQI
19th Aug 20253711 PMAQI
20th Aug 20254112 AMAQI
20th Aug 2025421 AMAQI
20th Aug 2025452 AMAQI
20th Aug 2025443 AMAQI
20th Aug 2025424 AMAQI

29°C26/33°C

20th Aug 2025445 AMAQI
20th Aug 2025446 AMAQI
20th Aug 2025427 AMAQI
20th Aug 2025398 AMAQI
20th Aug 2025429 AMAQI
20th Aug 20254010 AMAQI
20th Aug 20254611 AMAQI
20th Aug 20254712 PMAQI
20th Aug 2025531 PMAQI
20th Aug 2025492 PMAQI
20th Aug 2025493 PMAQI
20th Aug 2025484 PMAQI
20th Aug 2025465 PMAQI
20th Aug 2025496 PMAQI
20th Aug 2025467 PMAQI
20th Aug 2025418 PMAQI
20th Aug 2025439 PMAQI
20th Aug 20254310 PMAQI
20th Aug 20254811 PMAQI
21st Aug 20254612 AMAQI
21st Aug 2025431 AMAQI
21st Aug 2025442 AMAQI
21st Aug 2025433 AMAQI
21st Aug 2025414 AMAQI

30°C26/35°C

21st Aug 2025405 AMAQI
21st Aug 2025436 AMAQI
21st Aug 2025447 AMAQI
21st Aug 2025358 AMAQI
21st Aug 2025459 AMAQI
21st Aug 20254410 AMAQI
21st Aug 20253411 AMAQI
21st Aug 20254012 PMAQI
21st Aug 2025401 PMAQI
21st Aug 2025412 PMAQI
21st Aug 2025363 PMAQI
21st Aug 2025404 PMAQI
21st Aug 2025365 PMAQI
21st Aug 2025476 PMAQI
21st Aug 2025397 PMAQI
21st Aug 2025498 PMAQI
21st Aug 2025469 PMAQI
21st Aug 20254510 PMAQI
21st Aug 20254211 PMAQI
22nd Aug 20254512 AMAQI
22nd Aug 2025441 AMAQI
22nd Aug 2025442 AMAQI
22nd Aug 2025423 AMAQI
22nd Aug 2025414 AMAQI

30°C27/35°C

22nd Aug 2025445 AMAQI
22nd Aug 2025426 AMAQI
22nd Aug 2025427 AMAQI
22nd Aug 2025448 AMAQI
22nd Aug 2025459 AMAQI
22nd Aug 20255010 AMAQI
22nd Aug 20255411 AMAQI
22nd Aug 20255612 PMAQI
22nd Aug 2025571 PMAQI
22nd Aug 2025562 PMAQI
22nd Aug 2025523 PMAQI
22nd Aug 2025484 PMAQI
22nd Aug 2025415 PMAQI
22nd Aug 2025466 PMAQI
22nd Aug 2025447 PMAQI
22nd Aug 2025468 PMAQI
22nd Aug 2025419 PMAQI
22nd Aug 20254410 PMAQI
22nd Aug 20254511 PMAQI
23rd Aug 20254312 AMAQI
23rd Aug 2025431 AMAQI
23rd Aug 2025442 AMAQI
23rd Aug 2025453 AMAQI
23rd Aug 2025484 AMAQI

30°C27/35°C

23rd Aug 2025485 AMAQI
23rd Aug 2025466 AMAQI
23rd Aug 2025477 AMAQI
23rd Aug 2025618 AMAQI
23rd Aug 2025509 AMAQI
23rd Aug 20254810 AMAQI
23rd Aug 20255011 AMAQI
23rd Aug 20254612 PMAQI
23rd Aug 2025441 PMAQI
23rd Aug 2025442 PMAQI
23rd Aug 2025343 PMAQI
23rd Aug 2025484 PMAQI
23rd Aug 2025445 PMAQI
23rd Aug 2025426 PMAQI
23rd Aug 2025397 PMAQI
23rd Aug 2025398 PMAQI
23rd Aug 2025469 PMAQI
23rd Aug 20254510 PMAQI
23rd Aug 20254211 PMAQI
24th Aug 20254612 AMAQI
24th Aug 2025471 AMAQI
24th Aug 2025472 AMAQI
24th Aug 2025483 AMAQI
24th Aug 2025464 AMAQI

30°C27/34°C

24th Aug 2025475 AMAQI
24th Aug 2025486 AMAQI
24th Aug 2025487 AMAQI
24th Aug 2025508 AMAQI
24th Aug 2025489 AMAQI
24th Aug 20254610 AMAQI
24th Aug 20254611 AMAQI
24th Aug 20254812 PMAQI
24th Aug 2025511 PMAQI
24th Aug 2025482 PMAQI
24th Aug 2025523 PMAQI
24th Aug 2025384 PMAQI
24th Aug 2025425 PMAQI
24th Aug 2025456 PMAQI
24th Aug 2025427 PMAQI
24th Aug 2025428 PMAQI
24th Aug 2025449 PMAQI
24th Aug 20254510 PMAQI
24th Aug 20254411 PMAQI
25th Aug 20254312 AMAQI
25th Aug 2025471 AMAQI
25th Aug 2025462 AMAQI
25th Aug 2025453 AMAQI
25th Aug 2025494 AMAQI

30°C27/34°C

25th Aug 2025465 AMAQI
25th Aug 2025486 AMAQI
25th Aug 2025507 AMAQI
25th Aug 2025468 AMAQI
25th Aug 2025449 AMAQI
25th Aug 20254210 AMAQI
25th Aug 20254311 AMAQI
25th Aug 20254212 PMAQI
25th Aug 2025331 PMAQI
25th Aug 2025322 PMAQI
25th Aug 2025343 PMAQI
25th Aug 2025404 PMAQI
25th Aug 2025345 PMAQI
25th Aug 2025316 PMAQI
25th Aug 2025407 PMAQI
25th Aug 2025398 PMAQI
25th Aug 2025369 PMAQI
25th Aug 20253510 PMAQI
25th Aug 20253111 PMAQI
26th Aug 20254312 AMAQI
26th Aug 2025481 AMAQI
26th Aug 2025492 AMAQI
26th Aug 2025473 AMAQI
26th Aug 2025444 AMAQI

31°C27/35°C

26th Aug 2025455 AMAQI
26th Aug 2025456 AMAQI
26th Aug 2025487 AMAQI
26th Aug 2025318 AMAQI
26th Aug 2025249 AMAQI
26th Aug 20252410 AMAQI
26th Aug 20253011 AMAQI
26th Aug 20253212 PMAQI
26th Aug 2025331 PMAQI
26th Aug 2025382 PMAQI
26th Aug 2025523 PMAQI
26th Aug 2025504 PMAQI
26th Aug 2025425 PMAQI
26th Aug 2025406 PMAQI
26th Aug 2025327 PMAQI
26th Aug 2025338 PMAQI
26th Aug 2025309 PMAQI
26th Aug 20253410 PMAQI
26th Aug 20252911 PMAQI
27th Aug 20254012 AMAQI
27th Aug 2025481 AMAQI
27th Aug 2025462 AMAQI
27th Aug 2025453 AMAQI
27th Aug 2025434 AMAQI

30°C27/35°C

27th Aug 2025425 AMAQI
27th Aug 2025426 AMAQI
27th Aug 2025417 AMAQI
27th Aug 2025308 AMAQI
27th Aug 2025329 AMAQI
27th Aug 20252610 AMAQI
27th Aug 20253411 AMAQI
27th Aug 20253812 PMAQI
27th Aug 2025421 PMAQI
27th Aug 2025352 PMAQI
27th Aug 2025343 PMAQI
27th Aug 2025324 PMAQI
27th Aug 2025285 PMAQI
27th Aug 2025386 PMAQI
27th Aug 2025447 PMAQI
27th Aug 2025428 PMAQI
27th Aug 2025409 PMAQI
27th Aug 20253810 PMAQI
27th Aug 20253511 PMAQI
28th Aug 20253812 AMAQI
28th Aug 2025431 AMAQI
28th Aug 2025462 AMAQI
28th Aug 2025433 AMAQI
28th Aug 2025424 AMAQI

29°C26/33°C

28th Aug 2025415 AMAQI
28th Aug 2025436 AMAQI
28th Aug 2025417 AMAQI
28th Aug 2025358 AMAQI
28th Aug 2025329 AMAQI
28th Aug 20253210 AMAQI
28th Aug 20253211 AMAQI
28th Aug 20254012 PMAQI
28th Aug 2025361 PMAQI
28th Aug 2025312 PMAQI
28th Aug 2025333 PMAQI
28th Aug 2025414 PMAQI
28th Aug 2025385 PMAQI
28th Aug 2025386 PMAQI
28th Aug 2025367 PMAQI
28th Aug 2025378 PMAQI
28th Aug 2025389 PMAQI
28th Aug 20253010 PMAQI
28th Aug 20253311 PMAQI
29th Aug 20253612 AMAQI
29th Aug 2025421 AMAQI
29th Aug 2025442 AMAQI
29th Aug 2025433 AMAQI
29th Aug 2025404 AMAQI

30°C26/35°C

29th Aug 2025425 AMAQI
29th Aug 2025446 AMAQI
29th Aug 2025407 AMAQI
29th Aug 2025288 AMAQI
29th Aug 2025279 AMAQI
29th Aug 20252010 AMAQI
29th Aug 20252811 AMAQI
29th Aug 20252812 PMAQI
29th Aug 2025231 PMAQI
29th Aug 2025322 PMAQI
29th Aug 2025243 PMAQI
29th Aug 2025244 PMAQI
29th Aug 2025225 PMAQI
29th Aug 2025306 PMAQI
29th Aug 2025367 PMAQI
29th Aug 2025388 PMAQI
29th Aug 2025369 PMAQI
29th Aug 20253310 PMAQI
29th Aug 20253211 PMAQI
30th Aug 20253912 AMAQI
30th Aug 2025431 AMAQI
30th Aug 2025432 AMAQI
30th Aug 2025403 AMAQI
30th Aug 2025384 AMAQI

30°C26/35°C

30th Aug 2025395 AMAQI
30th Aug 2025406 AMAQI
30th Aug 2025397 AMAQI
30th Aug 2025218 AMAQI
30th Aug 2025289 AMAQI
30th Aug 20253410 AMAQI
30th Aug 20253611 AMAQI
30th Aug 20254012 PMAQI
30th Aug 2025451 PMAQI
30th Aug 2025352 PMAQI
30th Aug 2025413 PMAQI
30th Aug 2025314 PMAQI
30th Aug 2025305 PMAQI
30th Aug 2025306 PMAQI
30th Aug 2025287 PMAQI
30th Aug 2025408 PMAQI
30th Aug 2025399 PMAQI
30th Aug 20254210 PMAQI
30th Aug 20253611 PMAQI
31st Aug 20254212 AMAQI
31st Aug 2025431 AMAQI
31st Aug 2025432 AMAQI
31st Aug 2025403 AMAQI
31st Aug 2025404 AMAQI

29°C26/33°C

31st Aug 2025405 AMAQI
31st Aug 2025406 AMAQI
31st Aug 2025407 AMAQI
31st Aug 2025428 AMAQI
31st Aug 2025439 AMAQI
31st Aug 20255310 AMAQI
31st Aug 20254611 AMAQI
31st Aug 20254212 PMAQI
31st Aug 2025451 PMAQI
31st Aug 2025402 PMAQI
31st Aug 2025383 PMAQI
31st Aug 2025364 PMAQI
31st Aug 2025475 PMAQI
31st Aug 2025346 PMAQI
31st Aug 2025387 PMAQI
31st Aug 2025448 PMAQI
31st Aug 2025419 PMAQI
31st Aug 20254310 PMAQI
31st Aug 20254211 PMAQI
1st Sep 20254212 AMAQI
1st Sep 2025441 AMAQI
1st Sep 2025422 AMAQI
1st Sep 2025423 AMAQI
1st Sep 2025424 AMAQI

30°C27/34°C

1st Sep 2025435 AMAQI
1st Sep 2025456 AMAQI
1st Sep 2025447 AMAQI
1st Sep 2025448 AMAQI
1st Sep 2025469 AMAQI
1st Sep 20255110 AMAQI
1st Sep 20255611 AMAQI
1st Sep 20256012 PMAQI
1st Sep 2025611 PMAQI
1st Sep 2025622 PMAQI
1st Sep 2025523 PMAQI
1st Sep 2025604 PMAQI
1st Sep 2025555 PMAQI
1st Sep 2025546 PMAQI
1st Sep 2025557 PMAQI
1st Sep 2025548 PMAQI
1st Sep 2025529 PMAQI
1st Sep 20254510 PMAQI
1st Sep 20254311 PMAQI
2nd Sep 20254612 AMAQI
2nd Sep 2025441 AMAQI
2nd Sep 2025442 AMAQI
2nd Sep 2025443 AMAQI
2nd Sep 2025474 AMAQI

29°C27/32°C

2nd Sep 2025475 AMAQI
2nd Sep 2025476 AMAQI
2nd Sep 2025477 AMAQI
2nd Sep 2025528 AMAQI
2nd Sep 2025589 AMAQI
2nd Sep 20255610 AMAQI
2nd Sep 20254811 AMAQI
2nd Sep 20255012 PMAQI
2nd Sep 2025381 PMAQI
2nd Sep 2025432 PMAQI
2nd Sep 2025423 PMAQI
2nd Sep 2025424 PMAQI
2nd Sep 2025525 PMAQI
2nd Sep 2025526 PMAQI
2nd Sep 2025507 PMAQI
2nd Sep 2025398 PMAQI
2nd Sep 2025429 PMAQI
2nd Sep 20253610 PMAQI
2nd Sep 20254611 PMAQI
3rd Sep 20254612 AMAQI
3rd Sep 2025481 AMAQI
3rd Sep 2025462 AMAQI
3rd Sep 2025473 AMAQI
3rd Sep 2025474 AMAQI

29°C27/32°C

3rd Sep 2025485 AMAQI
3rd Sep 2025486 AMAQI
3rd Sep 2025487 AMAQI
3rd Sep 2025558 AMAQI
3rd Sep 2025589 AMAQI
3rd Sep 20255810 AMAQI
3rd Sep 20255611 AMAQI
3rd Sep 20256212 PMAQI
3rd Sep 2025651 PMAQI
3rd Sep 2025552 PMAQI
3rd Sep 2025563 PMAQI
3rd Sep 2025544 PMAQI
3rd Sep 2025555 PMAQI
3rd Sep 2025566 PMAQI
3rd Sep 2025537 PMAQI
3rd Sep 2025438 PMAQI
3rd Sep 2025469 PMAQI
3rd Sep 20254710 PMAQI
3rd Sep 20254411 PMAQI
4th Sep 20254512 AMAQI
4th Sep 2025491 AMAQI
4th Sep 2025492 AMAQI
4th Sep 2025513 AMAQI
4th Sep 2025524 AMAQI

29°C26/34°C

4th Sep 2025525 AMAQI
4th Sep 2025526 AMAQI
4th Sep 2025527 AMAQI
4th Sep 2025628 AMAQI
4th Sep 2025589 AMAQI
4th Sep 20255710 AMAQI
4th Sep 20255011 AMAQI
4th Sep 20256212 PMAQI
4th Sep 2025611 PMAQI
4th Sep 2025582 PMAQI
4th Sep 2025523 PMAQI
4th Sep 2025364 PMAQI
4th Sep 2025285 PMAQI
4th Sep 2025276 PMAQI
4th Sep 2025277 PMAQI
4th Sep 2025408 PMAQI
4th Sep 2025269 PMAQI
4th Sep 20252410 PMAQI
4th Sep 20252011 PMAQI
5th Sep 20254612 AMAQI
5th Sep 2025521 AMAQI
5th Sep 2025522 AMAQI
5th Sep 2025523 AMAQI
5th Sep 2025544 AMAQI

29°C27/34°C

5th Sep 2025535 AMAQI
5th Sep 2025536 AMAQI
5th Sep 2025537 AMAQI
5th Sep 2025508 AMAQI
5th Sep 2025589 AMAQI
5th Sep 20255410 AMAQI
5th Sep 20255311 AMAQI
5th Sep 20256012 PMAQI
5th Sep 2025541 PMAQI
5th Sep 2025502 PMAQI
5th Sep 2025563 PMAQI
5th Sep 2025504 PMAQI
5th Sep 2025375 PMAQI
5th Sep 2025416 PMAQI
5th Sep 2025507 PMAQI
5th Sep 2025518 PMAQI
5th Sep 2025449 PMAQI
5th Sep 20254110 PMAQI
5th Sep 20254011 PMAQI
6th Sep 20254412 AMAQI
6th Sep 2025461 AMAQI
6th Sep 2025522 AMAQI
6th Sep 2025533 AMAQI
6th Sep 2025524 AMAQI

30°C26/34°C

6th Sep 2025555 AMAQI
6th Sep 2025536 AMAQI
6th Sep 2025537 AMAQI
6th Sep 2025338 AMAQI
6th Sep 2025269 AMAQI
6th Sep 20253210 AMAQI
6th Sep 20254811 AMAQI
6th Sep 20254012 PMAQI
6th Sep 2025351 PMAQI
6th Sep 2025522 PMAQI
6th Sep 2025543 PMAQI
6th Sep 2025564 PMAQI
6th Sep 2025515 PMAQI
6th Sep 2025656 PMAQI
6th Sep 2025597 PMAQI
6th Sep 2025518 PMAQI
6th Sep 2025479 PMAQI
6th Sep 20254910 PMAQI
6th Sep 20254511 PMAQI
7th Sep 20255012 AMAQI
7th Sep 2025521 AMAQI
7th Sep 2025522 AMAQI
7th Sep 2025513 AMAQI
7th Sep 2025514 AMAQI

30°C27/35°C

7th Sep 2025525 AMAQI
7th Sep 2025526 AMAQI
7th Sep 2025527 AMAQI
7th Sep 2025298 AMAQI
7th Sep 2025269 AMAQI
7th Sep 20253810 AMAQI
7th Sep 20254811 AMAQI
7th Sep 20254012 PMAQI
7th Sep 2025301 PMAQI
7th Sep 2025342 PMAQI
7th Sep 2025413 PMAQI
7th Sep 2025304 PMAQI
7th Sep 2025435 PMAQI
7th Sep 2025386 PMAQI
7th Sep 2025477 PMAQI
7th Sep 2025388 PMAQI
7th Sep 2025449 PMAQI
7th Sep 20253810 PMAQI
7th Sep 20253511 PMAQI
8th Sep 20254412 AMAQI
8th Sep 2025521 AMAQI
8th Sep 2025512 AMAQI
8th Sep 2025483 AMAQI
8th Sep 2025464 AMAQI

29°C27/32°C

8th Sep 2025505 AMAQI
8th Sep 2025506 AMAQI
8th Sep 2025507 AMAQI
8th Sep 2025258 AMAQI
8th Sep 2025219 AMAQI
8th Sep 20251810 AMAQI
8th Sep 20252411 AMAQI
8th Sep 20252412 PMAQI
8th Sep 2025301 PMAQI
8th Sep 2025242 PMAQI
8th Sep 2025363 PMAQI
8th Sep 2025294 PMAQI
8th Sep 2025335 PMAQI
8th Sep 2025336 PMAQI
8th Sep 2025427 PMAQI
8th Sep 2025388 PMAQI
8th Sep 2025409 PMAQI
8th Sep 20253910 PMAQI
8th Sep 20254511 PMAQI
9th Sep 20254612 AMAQI
9th Sep 2025501 AMAQI
9th Sep 2025522 AMAQI
9th Sep 2025453 AMAQI
9th Sep 2025454 AMAQI

29°C26/34°C

9th Sep 2025435 AMAQI
9th Sep 2025406 AMAQI
9th Sep 2025417 AMAQI
9th Sep 2025438 AMAQI
9th Sep 2025459 AMAQI
9th Sep 20254310 AMAQI
9th Sep 20254111 AMAQI
9th Sep 20254612 PMAQI
9th Sep 2025341 PMAQI
9th Sep 2025352 PMAQI
9th Sep 2025303 PMAQI
9th Sep 2025374 PMAQI
9th Sep 2025265 PMAQI
9th Sep 2025376 PMAQI
9th Sep 2025397 PMAQI
9th Sep 2025388 PMAQI
9th Sep 2025389 PMAQI
9th Sep 20254110 PMAQI
9th Sep 20253911 PMAQI
10th Sep 20254712 AMAQI
10th Sep 2025501 AMAQI
10th Sep 2025462 AMAQI
10th Sep 2025503 AMAQI
10th Sep 2025444 AMAQI

29°C27/33°C

10th Sep 2025465 AMAQI
10th Sep 2025486 AMAQI
10th Sep 2025437 AMAQI
10th Sep 2025328 AMAQI
10th Sep 2025329 AMAQI
10th Sep 20253610 AMAQI
10th Sep 20253811 AMAQI
10th Sep 20255012 PMAQI
10th Sep 2025401 PMAQI
10th Sep 2025492 PMAQI
10th Sep 2025463 PMAQI
10th Sep 2025374 PMAQI
10th Sep 2025445 PMAQI
10th Sep 2025446 PMAQI
10th Sep 2025517 PMAQI
10th Sep 2025548 PMAQI
10th Sep 2025509 PMAQI
10th Sep 20254710 PMAQI
10th Sep 20254811 PMAQI
11th Sep 20255112 AMAQI
11th Sep 2025501 AMAQI
11th Sep 2025522 AMAQI
11th Sep 2025493 AMAQI
11th Sep 2025464 AMAQI

29°C27/34°C

11th Sep 2025465 AMAQI
11th Sep 2025466 AMAQI
11th Sep 2025467 AMAQI
11th Sep 2025368 AMAQI
11th Sep 2025329 AMAQI
11th Sep 20253410 AMAQI
11th Sep 20254711 AMAQI
11th Sep 20254212 PMAQI
11th Sep 2025491 PMAQI
11th Sep 2025462 PMAQI
11th Sep 2025343 PMAQI
11th Sep 2025444 PMAQI
11th Sep 2025405 PMAQI
11th Sep 2025396 PMAQI
11th Sep 2025427 PMAQI
11th Sep 2025488 PMAQI
11th Sep 2025489 PMAQI
11th Sep 20254910 PMAQI
11th Sep 20255011 PMAQI
12th Sep 20254912 AMAQI
12th Sep 2025501 AMAQI
12th Sep 2025522 AMAQI
12th Sep 2025483 AMAQI
12th Sep 2025484 AMAQI

29°C26/33°C

12th Sep 2025495 AMAQI
12th Sep 2025486 AMAQI
12th Sep 2025497 AMAQI
12th Sep 2025528 AMAQI
12th Sep 2025529 AMAQI
12th Sep 20255010 AMAQI
12th Sep 20255211 AMAQI
12th Sep 20255012 PMAQI
12th Sep 2025461 PMAQI
12th Sep 2025512 PMAQI
12th Sep 2025453 PMAQI
12th Sep 2025444 PMAQI
12th Sep 2025515 PMAQI
12th Sep 2025446 PMAQI
12th Sep 2025467 PMAQI
12th Sep 2025528 PMAQI
12th Sep 2025539 PMAQI
12th Sep 20255210 PMAQI
12th Sep 20254911 PMAQI
13th Sep 20254912 AMAQI
13th Sep 2025491 AMAQI
13th Sep 2025482 AMAQI
13th Sep 2025503 AMAQI
13th Sep 2025524 AMAQI

29°C26/33°C

13th Sep 2025525 AMAQI
13th Sep 2025526 AMAQI
13th Sep 2025527 AMAQI
13th Sep 2025398 AMAQI
13th Sep 2025509 AMAQI
13th Sep 20254910 AMAQI
13th Sep 20255311 AMAQI
13th Sep 20254912 PMAQI
13th Sep 2025501 PMAQI
13th Sep 2025472 PMAQI
13th Sep 2025463 PMAQI
13th Sep 2025434 PMAQI
13th Sep 2025505 PMAQI
13th Sep 2025466 PMAQI
13th Sep 2025407 PMAQI
13th Sep 2025468 PMAQI
13th Sep 2025529 PMAQI
13th Sep 20255210 PMAQI
13th Sep 20254311 PMAQI
14th Sep 20254912 AMAQI
14th Sep 2025491 AMAQI
14th Sep 2025522 AMAQI
14th Sep 2025493 AMAQI
14th Sep 2025504 AMAQI

30°C26/34°C

14th Sep 2025525 AMAQI
14th Sep 2025526 AMAQI
14th Sep 2025507 AMAQI
14th Sep 2025508 AMAQI
14th Sep 2025459 AMAQI
14th Sep 20254110 AMAQI
14th Sep 20254011 AMAQI
14th Sep 20254112 PMAQI
14th Sep 2025571 PMAQI
14th Sep 2025492 PMAQI
14th Sep 2025463 PMAQI
14th Sep 2025454 PMAQI
14th Sep 2025425 PMAQI
14th Sep 2025416 PMAQI
14th Sep 2025507 PMAQI
14th Sep 2025538 PMAQI
14th Sep 2025509 PMAQI
14th Sep 20254810 PMAQI
14th Sep 20255011 PMAQI
15th Sep 20255112 AMAQI
15th Sep 2025501 AMAQI
15th Sep 2025482 AMAQI
15th Sep 2025513 AMAQI
15th Sep 2025504 AMAQI

29°C27/33°C

15th Sep 2025505 AMAQI
15th Sep 2025526 AMAQI
15th Sep 2025517 AMAQI
15th Sep 2025528 AMAQI
15th Sep 2025569 AMAQI
15th Sep 20255110 AMAQI
15th Sep 20255111 AMAQI
15th Sep 20254712 PMAQI
15th Sep 2025521 PMAQI
15th Sep 2025492 PMAQI
15th Sep 2025473 PMAQI
15th Sep 2025364 PMAQI
15th Sep 2025355 PMAQI
15th Sep 2025306 PMAQI
15th Sep 2025327 PMAQI
15th Sep 2025388 PMAQI
15th Sep 2025449 PMAQI
15th Sep 20254510 PMAQI
15th Sep 20254311 PMAQI
16th Sep 20255212 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 2025517 AMAQI
16th Sep 2025418 AMAQI
16th Sep 2025389 AMAQI
16th Sep 20255010 AMAQI
16th Sep 20254911 AMAQI
16th Sep 20254412 PMAQI
16th Sep 2025421 PMAQI
16th Sep 2025522 PMAQI
16th Sep 2025353 PMAQI
16th Sep 2025404 PMAQI
16th Sep 2025375 PMAQI
16th Sep 2025446 PMAQI
16th Sep 2025427 PMAQI
16th Sep 2025528 PMAQI
16th Sep 2025409 PMAQI
16th Sep 20254310 PMAQI
16th Sep 20253811 PMAQI
17th Sep 20254212 AMAQI
17th Sep 2025501 AMAQI
17th Sep 2025512 AMAQI
17th Sep 2025523 AMAQI
17th Sep 2025504 AMAQI

30°C26/34°C

17th Sep 2025515 AMAQI
17th Sep 2025506 AMAQI
17th Sep 2025507 AMAQI
17th Sep 2025378 AMAQI
17th Sep 2025269 AMAQI
17th Sep 20253110 AMAQI
17th Sep 20253211 AMAQI
17th Sep 20253212 PMAQI
17th Sep 2025501 PMAQI
17th Sep 2025532 PMAQI
17th Sep 2025543 PMAQI
17th Sep 2025484 PMAQI
17th Sep 2025545 PMAQI
17th Sep 2025436 PMAQI
17th Sep 2025447 PMAQI
17th Sep 2025428 PMAQI
17th Sep 2025389 PMAQI
17th Sep 20254110 PMAQI
17th Sep 20254211 PMAQI
18th Sep 20254112 AMAQI
18th Sep 2025491 AMAQI
18th Sep 2025502 AMAQI
18th Sep 2025493 AMAQI
18th Sep 2025484 AMAQI

--°C/°C

18th Sep 2025485 AMAQI
5 AM
18th Sep 2025486 AMAQI
11 AM
6 PM
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 7 AM

47AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
8 AM - 10 AM

41AQI

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. 47), while the lowest AQI was between 8 AM to 10 AM (Avg. 41).
Night time
Avg. Highest Time
1 AM - 4 AM

47AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM - 11 PM

43AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 4 AM (Avg. 47), while the lowest AQI was between 7 PM to 11 PM (Avg. 43).

2025 Days Vs Air Quality

Northcpc Taoyuan Refinery F5, Zhongli, Taoyuan, Taiwan

2025

38%

100

61%

158

0.7%

2

Total number of days with different AQI categories in last 260 days in 2025 (105 days remaining)

Good
100 Days
Moderate
158 Days
Poor
2 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 38%

Health Risk Level:

High

In 2025, 38% of 260 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 F5, Zhongli, 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
78AQI
2nd January 2025
62AQI
3rd January 2025
67AQI
4th January 2025
57AQI
5th January 2025
65AQI
6th January 2025
77AQI
7th January 2025
67AQI
8th January 2025
61AQI
9th January 2025
74AQI
10th January 2025
63AQI
11th January 2025
59AQI
12th January 2025
58AQI
13th January 2025
60AQI
14th January 2025
69AQI
15th January 2025
91AQI
16th January 2025
62AQI
17th January 2025
64AQI
18th January 2025
58AQI
19th January 2025
61AQI
20th January 2025
71AQI
21st January 2025
77AQI
22nd January 2025
91AQI
23rd January 2025
66AQI
24th January 2025
70AQI
25th January 2025
73AQI
26th January 2025
64AQI
27th January 2025
64AQI
28th January 2025
61AQI
29th January 2025
59AQI
30th January 2025
58AQI
31st January 2025
69AQI
1st February 2025
57AQI
2nd February 2025
58AQI
3rd February 2025
60AQI
4th February 2025
79AQI
5th February 2025
62AQI
6th February 2025
59AQI
7th February 2025
55AQI
8th February 2025
62AQI
9th February 2025
54AQI
10th February 2025
53AQI
11th February 2025
55AQI
12th February 2025
77AQI
13th February 2025
63AQI
14th February 2025
64AQI
15th February 2025
62AQI
16th February 2025
68AQI
17th February 2025
103AQI
18th February 2025
63AQI
19th February 2025
74AQI
20th February 2025
67AQI
21st February 2025
53AQI
22nd February 2025
57AQI
23rd February 2025
49AQI
24th February 2025
69AQI
25th February 2025
70AQI
26th February 2025
59AQI
27th February 2025
115AQI
28th February 2025
96AQI
1st March 2025
86AQI
2nd March 2025
85AQI
3rd March 2025
81AQI
4th March 2025
66AQI
5th March 2025
57AQI
6th March 2025
58AQI
7th March 2025
60AQI
8th March 2025
58AQI
9th March 2025
56AQI
10th March 2025
62AQI
11th March 2025
68AQI
12th March 2025
72AQI
13th March 2025
69AQI
14th March 2025
65AQI
15th March 2025
57AQI
16th March 2025
64AQI
17th March 2025
76AQI
18th March 2025
63AQI
19th March 2025
75AQI
20th March 2025
65AQI
21st March 2025
64AQI
22nd March 2025
74AQI
23rd March 2025
77AQI
24th March 2025
75AQI
25th March 2025
72AQI
26th March 2025
76AQI
27th March 2025
73AQI
28th March 2025
71AQI
29th March 2025
54AQI
30th March 2025
45AQI
31st March 2025
37AQI
1st April 2025
44AQI
2nd April 2025
50AQI
3rd April 2025
51AQI
4th April 2025
63AQI
5th April 2025
77AQI
6th April 2025
68AQI
7th April 2025
74AQI
8th April 2025
80AQI
9th April 2025
81AQI
10th April 2025
76AQI
11th April 2025
85AQI
12th April 2025
72AQI
13th April 2025
96AQI
14th April 2025
80AQI
15th April 2025
82AQI
16th April 2025
83AQI
17th April 2025
87AQI
18th April 2025
78AQI
19th April 2025
72AQI
20th April 2025
62AQI
21st April 2025
72AQI
22nd April 2025
66AQI
23rd April 2025
59AQI
24th April 2025
57AQI
25th April 2025
52AQI
26th April 2025
43AQI
27th April 2025
56AQI
28th April 2025
57AQI
29th April 2025
54AQI
30th April 2025
64AQI
1st May 2025
65AQI
2nd May 2025
68AQI
3rd May 2025
69AQI
4th May 2025
75AQI
5th May 2025
68AQI
6th May 2025
71AQI
7th May 2025
56AQI
8th May 2025
65AQI
9th May 2025
56AQI
10th May 2025
53AQI
11th May 2025
49AQI
12th May 2025
59AQI
13th May 2025
61AQI
14th May 2025
62AQI
15th May 2025
54AQI
16th May 2025
57AQI
17th May 2025
52AQI
18th May 2025
49AQI
19th May 2025
43AQI
20th May 2025
50AQI
21st May 2025
43AQI
22nd May 2025
52AQI
23rd May 2025
52AQI
24th May 2025
44AQI
25th May 2025
69AQI
26th May 2025
55AQI
27th May 2025
49AQI
28th May 2025
40AQI
29th May 2025
38AQI
30th May 2025
56AQI
31st May 2025
59AQI
1st June 2025
64AQI
2nd June 2025
54AQI
3rd June 2025
42AQI
4th June 2025
41AQI
5th June 2025
49AQI
6th June 2025
47AQI
7th June 2025
58AQI
8th June 2025
44AQI
9th June 2025
49AQI
10th June 2025
50AQI
11th June 2025
51AQI
12th June 2025
39AQI
13th June 2025
37AQI
14th June 2025
46AQI
15th June 2025
48AQI
16th June 2025
51AQI
17th June 2025
47AQI
18th June 2025
50AQI
19th June 2025
48AQI
20th June 2025
40AQI
21st June 2025
41AQI
22nd June 2025
26AQI
23rd June 2025
36AQI
24th June 2025
39AQI
25th June 2025
40AQI
26th June 2025
46AQI
27th June 2025
43AQI
28th June 2025
41AQI
29th June 2025
40AQI
30th June 2025
43AQI
1st July 2025
49AQI
2nd July 2025
47AQI
3rd July 2025
52AQI
4th July 2025
53AQI
5th July 2025
45AQI
6th July 2025
46AQI
7th July 2025
44AQI
8th July 2025
54AQI
9th July 2025
56AQI
10th July 2025
57AQI
11th July 2025
52AQI
12th July 2025
57AQI
13th July 2025
57AQI
14th July 2025
59AQI
15th July 2025
54AQI
16th July 2025
55AQI
17th July 2025
58AQI
18th July 2025
53AQI
19th July 2025
44AQI
20th July 2025
40AQI
21st July 2025
41AQI
22nd July 2025
37AQI
23rd July 2025
38AQI
24th July 2025
42AQI
25th July 2025
43AQI
26th July 2025
45AQI
27th July 2025
51AQI
28th July 2025
41AQI
29th July 2025
39AQI
30th July 2025
47AQI
31st July 2025
45AQI
1st August 2025
46AQI
2nd August 2025
44AQI
3rd August 2025
45AQI
4th August 2025
44AQI
5th August 2025
47AQI
6th August 2025
51AQI
7th August 2025
52AQI
8th August 2025
59AQI
9th August 2025
51AQI
10th August 2025
45AQI
11th August 2025
45AQI
12th August 2025
46AQI
13th August 2025
44AQI
14th August 2025
37AQI
15th August 2025
34AQI
16th August 2025
33AQI
17th August 2025
34AQI
18th August 2025
43AQI
19th August 2025
44AQI
20th August 2025
45AQI
21st August 2025
42AQI
22nd August 2025
46AQI
23rd August 2025
45AQI
24th August 2025
46AQI
25th August 2025
41AQI
26th August 2025
39AQI
27th August 2025
39AQI
28th August 2025
38AQI
29th August 2025
34AQI
30th August 2025
37AQI
31st August 2025
42AQI
1st September 2025
49AQI
2nd September 2025
46AQI
3rd September 2025
51AQI
4th September 2025
41AQI
5th September 2025
44AQI
6th September 2025
49AQI
7th September 2025
43AQI
8th September 2025
39AQI
9th September 2025
41AQI
10th September 2025
46AQI
11th September 2025
45AQI
12th September 2025
49AQI
13th September 2025
49AQI
14th September 2025
48AQI
15th September 2025
46AQI
16th September 2025
47AQI
17th September 2025
49AQI
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

67AQI

67AQI

66AQI

68AQI

56AQI

45AQI

48AQI

43AQI

46AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202557AQI

31
1
25
2
2
29
3
27
9
22
25
5
17
14
27
4
16
1
100
158
2

Highest AQI recorded in

April

68AQI

Lowest AQI recorded in

August

43AQI

202459AQI

6
22
3
9
19
1
1
25
5
3
20
7
10
21
29
31
18
13
6
24
10
20
1
18
11
1
2
28
1
143
203
19

Highest AQI recorded in

March

85AQI

Lowest AQI recorded in

July

31AQI

202354AQI

10
20
1
8
19
1
10
19
2
7
23
12
18
1
21
9
27
4
21
10
21
9
17
14
8
11
12
16
3
174
172
8

Highest AQI recorded in

April

68AQI

Lowest AQI recorded in

July

39AQI

202252AQI

11
19
14
6
6
19
6
3
13
1
27
4
26
3
21
1
2
25
1
15
16
25
5
21
10
172
120
8

Highest AQI recorded in

March

74AQI

Lowest AQI recorded in

July

38AQI

202162AQI

3
19
2
3
18
4
1
1
25
5
1
27
2
4
27
9
9
12
16
3
13
15
17
13
19
12
11
19
8
19
2
101
219
18
1

Highest AQI recorded in

March

81AQI

Lowest AQI recorded in

October

47AQI

202068AQI

3
7
4
27
4
18
3
18
2
1
10
30
1
12
110
6

Highest AQI recorded in

October

84AQI

Lowest AQI recorded in

August

59AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2020(Avg.)
68AQI
Least Polluted Year Recorded
2022(Avg.)
52AQI

Northcpc Taoyuan Refinery F5's annual 2025 AQI (57) shows an average percentage change of -3.1% (improved AQI) compared to previous years: 2020 (68), 2021 (62), 2022 (52), 2023 (54), 2024 (59).