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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+

July Air Quality Analysis

Northcpc Taoyuan Refinery F5, Zhongli, Taoyuan, Taiwan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
9th Jul 2023
65AQI
Lowest AQI recorded on
5th Jul 2026
23AQI

Same Day Analysis (12th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 34 of Good air quality, showing improvement over 2025 and 2023 on the same day.

Day & Night AQI Trend: 11th Jul - 12th Jul 2026

Northcpc Taoyuan Refinery F5, Zhongli, Taoyuan, Taiwan

AQI
Day
Night
.

5 AM11th Jul 2026

6 PM

4 AM12th Jul 2026

Day time
Avg. Highest Time
10AM11th Jul

84AQI

Avg. Lowest Time
3PM11th Jul

45AQI

Night time
Avg. Highest Time
11PM11th Jul

46AQI

Avg. Lowest Time
3AM12th Jul

12AQI

In the last 24 hours,

Northcpc Taoyuan Refinery F5's AQI reached its highest point of 84 at 10 AM during the Day, while the lowest point, 12, was recorded at 3 AM during the Night between 11th Jul and 12th Jul 2026.

Day & Night AQI Trend : Jun - Jul 2026

Northcpc Taoyuan Refinery F5, Zhongli, Taoyuan, Taiwan

JunJul
13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th
Day
Night
13th Jun 2026225 AMAQI
13th Jun 2026206 AMAQI
13th Jun 2026207 AMAQI
13th Jun 2026268 AMAQI
13th Jun 2026229 AMAQI
13th Jun 20263410 AMAQI
13th Jun 20263611 AMAQI
13th Jun 20262512 PMAQI
13th Jun 2026261 PMAQI
13th Jun 2026312 PMAQI
13th Jun 2026273 PMAQI
13th Jun 2026214 PMAQI
13th Jun 2026225 PMAQI
13th Jun 2026206 PMAQI
13th Jun 2026207 PMAQI
13th Jun 2026278 PMAQI
13th Jun 2026209 PMAQI
13th Jun 20262410 PMAQI
13th Jun 20262611 PMAQI
14th Jun 20262412 AMAQI
14th Jun 2026241 AMAQI
14th Jun 2026282 AMAQI
14th Jun 2026253 AMAQI
14th Jun 2026274 AMAQI

25°C24/27°C

14th Jun 2026515 AMAQI
14th Jun 2026726 AMAQI
14th Jun 2026297 AMAQI
14th Jun 2026308 AMAQI
14th Jun 2026559 AMAQI
14th Jun 20263610 AMAQI
14th Jun 20263111 AMAQI
14th Jun 20265512 PMAQI
14th Jun 2026421 PMAQI
14th Jun 2026292 PMAQI
14th Jun 2026573 PMAQI
14th Jun 2026404 PMAQI
14th Jun 2026145 PMAQI
14th Jun 2026166 PMAQI
14th Jun 2026127 PMAQI
14th Jun 2026168 PMAQI
14th Jun 2026179 PMAQI
14th Jun 20261210 PMAQI
14th Jun 20261211 PMAQI
15th Jun 20261212 AMAQI
15th Jun 2026121 AMAQI
15th Jun 2026202 AMAQI
15th Jun 2026213 AMAQI
15th Jun 2026214 AMAQI

25°C24/26°C

15th Jun 2026295 AMAQI
15th Jun 2026296 AMAQI
15th Jun 2026297 AMAQI
15th Jun 2026168 AMAQI
15th Jun 2026179 AMAQI
15th Jun 20261810 AMAQI
15th Jun 20261511 AMAQI
15th Jun 20262912 PMAQI
15th Jun 2026141 PMAQI
15th Jun 202682 PMAQI
15th Jun 2026133 PMAQI
15th Jun 2026124 PMAQI
15th Jun 2026315 PMAQI
15th Jun 202686 PMAQI
15th Jun 2026167 PMAQI
15th Jun 2026168 PMAQI
15th Jun 2026199 PMAQI
15th Jun 20261810 PMAQI
15th Jun 20262911 PMAQI
16th Jun 20263112 AMAQI
16th Jun 2026211 AMAQI
16th Jun 202682 AMAQI
16th Jun 2026123 AMAQI
16th Jun 2026164 AMAQI

25°C24/25°C

16th Jun 2026275 AMAQI
16th Jun 2026266 AMAQI
16th Jun 2026337 AMAQI
16th Jun 2026368 AMAQI
16th Jun 2026459 AMAQI
16th Jun 20262810 AMAQI
16th Jun 20262911 AMAQI
16th Jun 20262512 PMAQI
16th Jun 2026251 PMAQI
16th Jun 2026252 PMAQI
16th Jun 2026233 PMAQI
16th Jun 2026264 PMAQI
16th Jun 2026265 PMAQI
16th Jun 2026236 PMAQI
16th Jun 2026237 PMAQI
16th Jun 2026228 PMAQI
16th Jun 2026269 PMAQI
16th Jun 20263010 PMAQI
16th Jun 20262911 PMAQI
17th Jun 20262812 AMAQI
17th Jun 2026281 AMAQI
17th Jun 2026282 AMAQI
17th Jun 2026263 AMAQI
17th Jun 2026284 AMAQI

26°C24/28°C

17th Jun 2026265 AMAQI
17th Jun 2026266 AMAQI
17th Jun 2026287 AMAQI
17th Jun 2026308 AMAQI
17th Jun 2026309 AMAQI
17th Jun 20262910 AMAQI
17th Jun 20263411 AMAQI
17th Jun 20263812 PMAQI
17th Jun 2026281 PMAQI
17th Jun 2026282 PMAQI
17th Jun 2026243 PMAQI
17th Jun 2026274 PMAQI
17th Jun 2026245 PMAQI
17th Jun 2026226 PMAQI
17th Jun 2026247 PMAQI
17th Jun 2026228 PMAQI
17th Jun 2026229 PMAQI
17th Jun 20262510 PMAQI
17th Jun 20262611 PMAQI
18th Jun 20262712 AMAQI
18th Jun 2026271 AMAQI
18th Jun 2026302 AMAQI
18th Jun 2026303 AMAQI
18th Jun 2026294 AMAQI

27°C25/30°C

18th Jun 2026325 AMAQI
18th Jun 2026266 AMAQI
18th Jun 2026297 AMAQI
18th Jun 2026288 AMAQI
18th Jun 2026309 AMAQI
18th Jun 20263010 AMAQI
18th Jun 20262911 AMAQI
18th Jun 20266512 PMAQI
18th Jun 2026181 PMAQI
18th Jun 2026162 PMAQI
18th Jun 2026193 PMAQI
18th Jun 2026194 PMAQI
18th Jun 2026205 PMAQI
18th Jun 2026186 PMAQI
18th Jun 2026187 PMAQI
18th Jun 2026218 PMAQI
18th Jun 2026189 PMAQI
18th Jun 20262810 PMAQI
18th Jun 20262711 PMAQI
19th Jun 20262512 AMAQI
19th Jun 2026311 AMAQI
19th Jun 2026312 AMAQI
19th Jun 2026293 AMAQI
19th Jun 2026554 AMAQI

28°C25/31°C

19th Jun 2026205 AMAQI
19th Jun 2026246 AMAQI
19th Jun 2026297 AMAQI
19th Jun 2026408 AMAQI
19th Jun 2026559 AMAQI
19th Jun 20263610 AMAQI
19th Jun 20265711 AMAQI
19th Jun 20264612 PMAQI
19th Jun 2026311 PMAQI
19th Jun 2026512 PMAQI
19th Jun 2026483 PMAQI
19th Jun 2026534 PMAQI
19th Jun 2026505 PMAQI
19th Jun 2026506 PMAQI
19th Jun 2026337 PMAQI
19th Jun 2026298 PMAQI
19th Jun 2026389 PMAQI
19th Jun 20263410 PMAQI
19th Jun 20264211 PMAQI
20th Jun 20264212 AMAQI
20th Jun 2026291 AMAQI
20th Jun 2026462 AMAQI
20th Jun 2026293 AMAQI
20th Jun 2026464 AMAQI

28°C26/31°C

20th Jun 2026705 AMAQI
20th Jun 2026646 AMAQI
20th Jun 2026687 AMAQI
20th Jun 2026698 AMAQI
20th Jun 2026629 AMAQI
20th Jun 20265710 AMAQI
20th Jun 20265411 AMAQI
20th Jun 20264812 PMAQI
20th Jun 2026381 PMAQI
20th Jun 2026282 PMAQI
20th Jun 2026253 PMAQI
20th Jun 2026244 PMAQI
20th Jun 2026245 PMAQI
20th Jun 2026216 PMAQI
20th Jun 2026247 PMAQI
20th Jun 2026228 PMAQI
20th Jun 2026249 PMAQI
20th Jun 20262410 PMAQI
20th Jun 20262611 PMAQI
21st Jun 20262912 AMAQI
21st Jun 2026261 AMAQI
21st Jun 2026282 AMAQI
21st Jun 2026283 AMAQI

28°C26/31°C

21st Jun 2026265 AMAQI
21st Jun 2026276 AMAQI
21st Jun 2026317 AMAQI
21st Jun 2026228 AMAQI
21st Jun 2026219 AMAQI
21st Jun 20262210 AMAQI
21st Jun 20262111 AMAQI
21st Jun 20262112 PMAQI
21st Jun 2026211 PMAQI
21st Jun 2026232 PMAQI
21st Jun 2026243 PMAQI
21st Jun 2026234 PMAQI
21st Jun 2026225 PMAQI
21st Jun 2026206 PMAQI
21st Jun 2026227 PMAQI
21st Jun 2026208 PMAQI
21st Jun 2026229 PMAQI
21st Jun 20262410 PMAQI
21st Jun 20262411 PMAQI
22nd Jun 20262412 AMAQI
22nd Jun 2026261 AMAQI
22nd Jun 2026362 AMAQI
22nd Jun 2026363 AMAQI
22nd Jun 2026244 AMAQI

29°C26/32°C

22nd Jun 2026205 AMAQI
22nd Jun 2026216 AMAQI
22nd Jun 2026227 AMAQI
22nd Jun 2026238 AMAQI
22nd Jun 2026229 AMAQI
22nd Jun 20262410 AMAQI
22nd Jun 20262011 AMAQI
22nd Jun 20262112 PMAQI
22nd Jun 2026221 PMAQI
22nd Jun 2026222 PMAQI
22nd Jun 2026223 PMAQI
22nd Jun 2026204 PMAQI
22nd Jun 2026205 PMAQI
22nd Jun 2026206 PMAQI
22nd Jun 2026217 PMAQI
22nd Jun 2026218 PMAQI
22nd Jun 2026219 PMAQI
22nd Jun 20262210 PMAQI
22nd Jun 20262511 PMAQI
23rd Jun 20263012 AMAQI
23rd Jun 2026271 AMAQI
23rd Jun 2026272 AMAQI
23rd Jun 2026283 AMAQI
23rd Jun 2026264 AMAQI

29°C26/32°C

23rd Jun 2026265 AMAQI
23rd Jun 2026286 AMAQI
23rd Jun 2026267 AMAQI
23rd Jun 2026288 AMAQI
23rd Jun 2026269 AMAQI
23rd Jun 20262410 AMAQI
23rd Jun 20262411 AMAQI
23rd Jun 20262812 PMAQI
23rd Jun 2026281 PMAQI
23rd Jun 2026302 PMAQI
23rd Jun 2026413 PMAQI
23rd Jun 2026424 PMAQI
23rd Jun 2026505 PMAQI
23rd Jun 2026466 PMAQI
23rd Jun 2026517 PMAQI
23rd Jun 2026538 PMAQI
23rd Jun 2026529 PMAQI
23rd Jun 20265110 PMAQI
23rd Jun 20265111 PMAQI
24th Jun 20264012 AMAQI
24th Jun 2026301 AMAQI
24th Jun 2026242 AMAQI
24th Jun 2026223 AMAQI
24th Jun 2026244 AMAQI

29°C27/32°C

24th Jun 2026245 AMAQI
24th Jun 2026226 AMAQI
24th Jun 2026267 AMAQI
24th Jun 2026268 AMAQI
24th Jun 2026279 AMAQI
24th Jun 20262610 AMAQI
24th Jun 20264811 AMAQI
24th Jun 20267412 PMAQI
24th Jun 2026621 PMAQI
24th Jun 2026652 PMAQI
24th Jun 2026583 PMAQI
24th Jun 2026444 PMAQI
24th Jun 2026405 PMAQI
24th Jun 2026466 PMAQI
24th Jun 2026547 PMAQI
24th Jun 2026528 PMAQI
24th Jun 2026519 PMAQI
24th Jun 20264710 PMAQI
24th Jun 20263611 PMAQI
25th Jun 20262512 AMAQI
25th Jun 2026261 AMAQI
25th Jun 2026272 AMAQI
25th Jun 2026253 AMAQI
25th Jun 2026244 AMAQI

29°C27/33°C

25th Jun 2026305 AMAQI
25th Jun 2026466 AMAQI
25th Jun 2026707 AMAQI
25th Jun 2026808 AMAQI
25th Jun 2026749 AMAQI
25th Jun 20267010 AMAQI
25th Jun 20267611 AMAQI
25th Jun 20267312 PMAQI
25th Jun 2026741 PMAQI
25th Jun 2026342 PMAQI
25th Jun 2026333 PMAQI
25th Jun 2026334 PMAQI
25th Jun 2026385 PMAQI
25th Jun 2026366 PMAQI
25th Jun 2026327 PMAQI
25th Jun 2026498 PMAQI
25th Jun 2026319 PMAQI
25th Jun 20262710 PMAQI
25th Jun 20263111 PMAQI
26th Jun 20262912 AMAQI
26th Jun 2026291 AMAQI
26th Jun 2026292 AMAQI
26th Jun 2026253 AMAQI
26th Jun 2026144 AMAQI

28°C26/32°C

26th Jun 2026205 AMAQI
26th Jun 2026196 AMAQI
26th Jun 2026127 AMAQI
26th Jun 2026408 AMAQI
26th Jun 2026659 AMAQI
26th Jun 20265510 AMAQI
26th Jun 20265111 AMAQI
26th Jun 20264512 PMAQI
26th Jun 2026601 PMAQI
26th Jun 2026442 PMAQI
26th Jun 2026443 PMAQI
26th Jun 2026404 PMAQI
26th Jun 2026535 PMAQI
26th Jun 2026656 PMAQI
26th Jun 2026527 PMAQI
26th Jun 2026518 PMAQI
26th Jun 2026409 PMAQI
26th Jun 20263410 PMAQI
26th Jun 20264411 PMAQI
27th Jun 20263212 AMAQI
27th Jun 2026181 AMAQI
27th Jun 2026272 AMAQI
27th Jun 2026273 AMAQI
27th Jun 2026194 AMAQI

25°C24/26°C

27th Jun 2026185 AMAQI
27th Jun 2026246 AMAQI
27th Jun 2026217 AMAQI
27th Jun 2026118 AMAQI
27th Jun 2026109 AMAQI
27th Jun 20261610 AMAQI
27th Jun 20262111 AMAQI
27th Jun 20261812 PMAQI
27th Jun 2026121 PMAQI
27th Jun 2026162 PMAQI
27th Jun 2026143 PMAQI
27th Jun 2026144 PMAQI
27th Jun 2026225 PMAQI
27th Jun 2026326 PMAQI
27th Jun 2026367 PMAQI
27th Jun 2026288 PMAQI
27th Jun 2026269 PMAQI
27th Jun 20262710 PMAQI
27th Jun 20262611 PMAQI
28th Jun 20262012 AMAQI
28th Jun 2026211 AMAQI
28th Jun 2026362 AMAQI
28th Jun 2026253 AMAQI
28th Jun 2026174 AMAQI

26°C25/28°C

28th Jun 2026265 AMAQI
28th Jun 2026316 AMAQI
28th Jun 2026317 AMAQI
28th Jun 2026318 AMAQI
28th Jun 2026319 AMAQI
28th Jun 20262910 AMAQI
28th Jun 20262511 AMAQI
28th Jun 20262912 PMAQI
28th Jun 2026271 PMAQI
28th Jun 2026272 PMAQI
28th Jun 2026253 PMAQI
28th Jun 2026244 PMAQI
28th Jun 2026215 PMAQI
28th Jun 2026266 PMAQI
28th Jun 2026267 PMAQI
28th Jun 2026248 PMAQI
28th Jun 2026279 PMAQI
28th Jun 20262710 PMAQI
28th Jun 20262611 PMAQI
29th Jun 20262612 AMAQI
29th Jun 2026261 AMAQI
29th Jun 2026252 AMAQI
29th Jun 2026263 AMAQI
29th Jun 2026284 AMAQI

26°C25/28°C

29th Jun 2026265 AMAQI
29th Jun 2026266 AMAQI
29th Jun 2026267 AMAQI
29th Jun 2026358 AMAQI
29th Jun 2026289 AMAQI
29th Jun 20262710 AMAQI
29th Jun 20262811 AMAQI
29th Jun 20262412 PMAQI
29th Jun 2026361 PMAQI
29th Jun 2026342 PMAQI
29th Jun 2026273 PMAQI
29th Jun 2026234 PMAQI
29th Jun 2026345 PMAQI
29th Jun 2026246 PMAQI
29th Jun 2026237 PMAQI
29th Jun 2026248 PMAQI
29th Jun 2026229 PMAQI
29th Jun 20262410 PMAQI
29th Jun 20262411 PMAQI
30th Jun 20262412 AMAQI
30th Jun 2026251 AMAQI
30th Jun 2026242 AMAQI
30th Jun 2026253 AMAQI
30th Jun 2026244 AMAQI

28°C26/31°C

30th Jun 2026265 AMAQI
30th Jun 2026266 AMAQI
30th Jun 2026267 AMAQI
30th Jun 2026298 AMAQI
30th Jun 2026279 AMAQI
30th Jun 20262510 AMAQI
30th Jun 20263311 AMAQI
30th Jun 20262412 PMAQI
30th Jun 2026291 PMAQI
30th Jun 2026282 PMAQI
30th Jun 2026273 PMAQI
30th Jun 2026404 PMAQI
30th Jun 2026585 PMAQI
30th Jun 2026536 PMAQI
30th Jun 2026387 PMAQI
30th Jun 2026318 PMAQI
30th Jun 2026329 PMAQI
30th Jun 20264210 PMAQI
30th Jun 20263811 PMAQI
1st Jul 20263812 AMAQI
1st Jul 2026381 AMAQI
1st Jul 2026362 AMAQI
1st Jul 2026363 AMAQI
1st Jul 2026344 AMAQI

28°C26/31°C

1st Jul 2026405 AMAQI
1st Jul 2026496 AMAQI
1st Jul 2026487 AMAQI
1st Jul 2026468 AMAQI
1st Jul 2026349 AMAQI
1st Jul 20262510 AMAQI
1st Jul 20262211 AMAQI
1st Jul 20262112 PMAQI
1st Jul 2026251 PMAQI
1st Jul 2026232 PMAQI
1st Jul 2026203 PMAQI
1st Jul 2026194 PMAQI
1st Jul 2026185 PMAQI
1st Jul 2026196 PMAQI
1st Jul 2026227 PMAQI
1st Jul 2026228 PMAQI
1st Jul 2026229 PMAQI
1st Jul 20262110 PMAQI
1st Jul 20262111 PMAQI
2nd Jul 20262312 AMAQI
2nd Jul 2026241 AMAQI
2nd Jul 2026202 AMAQI
2nd Jul 2026203 AMAQI
2nd Jul 2026214 AMAQI

29°C27/31°C

2nd Jul 2026265 AMAQI
2nd Jul 2026236 AMAQI
2nd Jul 2026277 AMAQI
2nd Jul 2026388 AMAQI
2nd Jul 2026319 AMAQI
2nd Jul 20262210 AMAQI
2nd Jul 20262611 AMAQI
2nd Jul 20262812 PMAQI
2nd Jul 2026241 PMAQI
2nd Jul 2026222 PMAQI
2nd Jul 2026263 PMAQI
2nd Jul 2026264 PMAQI
2nd Jul 2026245 PMAQI
2nd Jul 2026256 PMAQI
2nd Jul 2026277 PMAQI
2nd Jul 2026278 PMAQI
2nd Jul 2026249 PMAQI
2nd Jul 20262810 PMAQI
2nd Jul 20262811 PMAQI
3rd Jul 20262512 AMAQI
3rd Jul 2026281 AMAQI
3rd Jul 2026262 AMAQI
3rd Jul 2026233 AMAQI
3rd Jul 2026274 AMAQI

29°C27/30°C

3rd Jul 2026255 AMAQI
3rd Jul 2026286 AMAQI
3rd Jul 2026287 AMAQI
3rd Jul 2026288 AMAQI
3rd Jul 2026279 AMAQI
3rd Jul 20262610 AMAQI
3rd Jul 20262611 AMAQI
3rd Jul 20262512 PMAQI
3rd Jul 2026281 PMAQI
3rd Jul 2026202 PMAQI
3rd Jul 2026243 PMAQI
3rd Jul 2026264 PMAQI
3rd Jul 2026235 PMAQI
3rd Jul 2026266 PMAQI
3rd Jul 2026307 PMAQI
3rd Jul 2026268 PMAQI
3rd Jul 2026279 PMAQI
3rd Jul 20262810 PMAQI
3rd Jul 20262611 PMAQI
4th Jul 20262612 AMAQI
4th Jul 2026281 AMAQI
4th Jul 2026282 AMAQI
4th Jul 2026263 AMAQI
4th Jul 2026274 AMAQI

29°C27/31°C

4th Jul 2026285 AMAQI
4th Jul 2026286 AMAQI
4th Jul 2026267 AMAQI
4th Jul 2026248 AMAQI
4th Jul 2026269 AMAQI
4th Jul 20262410 AMAQI
4th Jul 20262811 AMAQI
4th Jul 20262612 PMAQI
4th Jul 2026251 PMAQI
4th Jul 2026282 PMAQI
4th Jul 2026263 PMAQI
4th Jul 2026264 PMAQI
4th Jul 2026245 PMAQI
4th Jul 2026226 PMAQI
4th Jul 2026247 PMAQI
4th Jul 2026278 PMAQI
4th Jul 2026249 PMAQI
4th Jul 20262410 PMAQI
4th Jul 20262311 PMAQI
5th Jul 20262712 AMAQI
5th Jul 2026231 AMAQI
5th Jul 2026222 AMAQI
5th Jul 2026223 AMAQI
5th Jul 2026224 AMAQI

29°C27/31°C

5th Jul 2026245 AMAQI
5th Jul 2026226 AMAQI
5th Jul 2026227 AMAQI
5th Jul 2026208 AMAQI
5th Jul 2026229 AMAQI
5th Jul 20262010 AMAQI
5th Jul 20262011 AMAQI
5th Jul 20262012 PMAQI
5th Jul 2026211 PMAQI
5th Jul 2026242 PMAQI
5th Jul 2026243 PMAQI
5th Jul 2026234 PMAQI
5th Jul 2026245 PMAQI
5th Jul 2026226 PMAQI
5th Jul 2026217 PMAQI
5th Jul 2026248 PMAQI
5th Jul 2026229 PMAQI
5th Jul 20262610 PMAQI
5th Jul 20262411 PMAQI
6th Jul 20262612 AMAQI
6th Jul 2026261 AMAQI
6th Jul 2026252 AMAQI
6th Jul 2026223 AMAQI
6th Jul 2026244 AMAQI

29°C27/32°C

6th Jul 2026265 AMAQI
6th Jul 2026266 AMAQI
6th Jul 2026247 AMAQI
6th Jul 2026218 AMAQI
6th Jul 2026329 AMAQI
6th Jul 20263910 AMAQI
6th Jul 20262211 AMAQI
6th Jul 20262012 PMAQI
6th Jul 2026231 PMAQI
6th Jul 2026242 PMAQI
6th Jul 2026253 PMAQI
6th Jul 2026194 PMAQI
6th Jul 2026205 PMAQI
6th Jul 2026226 PMAQI
6th Jul 2026247 PMAQI
6th Jul 2026268 PMAQI
6th Jul 2026259 PMAQI
6th Jul 20263010 PMAQI
6th Jul 20262811 PMAQI
7th Jul 20262912 AMAQI
7th Jul 2026281 AMAQI
7th Jul 2026282 AMAQI
7th Jul 2026263 AMAQI
7th Jul 2026284 AMAQI

29°C27/31°C

7th Jul 2026265 AMAQI
7th Jul 2026266 AMAQI
7th Jul 2026107 AMAQI
7th Jul 2026178 AMAQI
7th Jul 2026269 AMAQI
7th Jul 20262410 AMAQI
7th Jul 20262411 AMAQI
7th Jul 20262012 PMAQI
7th Jul 2026241 PMAQI
7th Jul 2026302 PMAQI
7th Jul 2026243 PMAQI
7th Jul 2026274 PMAQI
7th Jul 2026285 PMAQI
7th Jul 2026266 PMAQI
7th Jul 2026287 PMAQI
7th Jul 2026268 PMAQI
7th Jul 2026189 PMAQI
7th Jul 20262210 PMAQI
7th Jul 20263011 PMAQI
8th Jul 20263012 AMAQI
8th Jul 2026301 AMAQI
8th Jul 2026282 AMAQI
8th Jul 2026273 AMAQI
8th Jul 2026294 AMAQI

29°C27/31°C

8th Jul 2026285 AMAQI
8th Jul 2026306 AMAQI
8th Jul 2026287 AMAQI
8th Jul 2026278 AMAQI
8th Jul 2026289 AMAQI
8th Jul 20262610 AMAQI
8th Jul 20262311 AMAQI
8th Jul 20262412 PMAQI
8th Jul 2026251 PMAQI
8th Jul 2026262 PMAQI
8th Jul 2026283 PMAQI
8th Jul 2026244 PMAQI
8th Jul 2026225 PMAQI
8th Jul 2026186 PMAQI
8th Jul 2026207 PMAQI
8th Jul 2026228 PMAQI
8th Jul 2026229 PMAQI
8th Jul 20262510 PMAQI
8th Jul 20262811 PMAQI
9th Jul 20263012 AMAQI
9th Jul 2026281 AMAQI
9th Jul 2026302 AMAQI
9th Jul 2026283 AMAQI
9th Jul 2026284 AMAQI

30°C27/32°C

9th Jul 2026255 AMAQI
9th Jul 2026276 AMAQI
9th Jul 2026267 AMAQI
9th Jul 2026248 AMAQI
9th Jul 2026269 AMAQI
9th Jul 20262310 AMAQI
9th Jul 20262211 AMAQI
9th Jul 20262212 PMAQI
9th Jul 2026241 PMAQI
9th Jul 2026262 PMAQI
9th Jul 2026253 PMAQI
9th Jul 2026244 PMAQI
9th Jul 2026265 PMAQI
9th Jul 2026246 PMAQI
9th Jul 2026267 PMAQI
9th Jul 2026238 PMAQI
9th Jul 2026269 PMAQI
9th Jul 20262610 PMAQI
9th Jul 20262611 PMAQI
10th Jul 20263012 AMAQI
10th Jul 2026271 AMAQI
10th Jul 2026272 AMAQI
10th Jul 2026223 AMAQI
10th Jul 2026274 AMAQI

29°C28/31°C

10th Jul 2026275 AMAQI
10th Jul 2026276 AMAQI
10th Jul 2026327 AMAQI
10th Jul 2026328 AMAQI
10th Jul 2026309 AMAQI
10th Jul 20262810 AMAQI
10th Jul 20262611 AMAQI
10th Jul 20264812 PMAQI
10th Jul 2026561 PMAQI
10th Jul 2026512 PMAQI
10th Jul 2026643 PMAQI
10th Jul 2026674 PMAQI
10th Jul 2026535 PMAQI
10th Jul 2026536 PMAQI
10th Jul 2026827 PMAQI
10th Jul 2026998 PMAQI
10th Jul 2026919 PMAQI
10th Jul 202610010 PMAQI
10th Jul 202610011 PMAQI
11th Jul 202610112 AMAQI
11th Jul 2026861 AMAQI
11th Jul 2026662 AMAQI
11th Jul 2026763 AMAQI
11th Jul 2026814 AMAQI

28°C27/31°C

11th Jul 2026745 AMAQI
11th Jul 2026766 AMAQI
11th Jul 2026707 AMAQI
11th Jul 2026628 AMAQI
11th Jul 2026829 AMAQI
11th Jul 20268410 AMAQI
11th Jul 20266711 AMAQI
11th Jul 20266812 PMAQI
11th Jul 2026711 PMAQI
11th Jul 2026522 PMAQI
11th Jul 2026453 PMAQI
11th Jul 2026604 PMAQI
11th Jul 2026735 PMAQI
11th Jul 2026506 PMAQI
11th Jul 2026367 PMAQI
11th Jul 2026338 PMAQI
11th Jul 2026409 PMAQI
11th Jul 20264410 PMAQI
11th Jul 20264611 PMAQI
12th Jul 20263412 AMAQI
12th Jul 2026251 AMAQI
12th Jul 2026202 AMAQI
12th Jul 2026123 AMAQI
12th Jul 2026164 AMAQI

26°C25/27°C

12th Jul 2026255 AMAQI
5 AM
12th Jul 2026296 AMAQI
12th Jul 2026257 AMAQI
12th Jul 2026348 AMAQI
12th Jul 2026339 AMAQI
12th Jul 20263410 AMAQI
12th Jul 20263811 AMAQI
11 AM
12th Jul 20264012 PMAQI
12th Jul 2026321 PMAQI
12th Jul 2026252 PMAQI
12th Jul 2026263 PMAQI
12th Jul 2026284 PMAQI
12th Jul 2026445 PMAQI
12th Jul 2026416 PMAQI
6 PM
12th Jul 2026367 PMAQI
12th Jul 2026448 PMAQI
12th Jul 2026419 PMAQI
12th Jul 20265810 PMAQI
12th Jul 20267411 PMAQI
11 PM
4 AM

30°C28/33°C

Day time
Avg. Highest Time
9 AM

35AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
5 AM

30AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 9 AM (Avg. 35), while the lowest AQI was between 5 AM to 5 AM (Avg. 30).
Night time
Avg. Highest Time
11 PM

33AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
3 AM

27AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 PM to 11 PM (Avg. 33), while the lowest AQI was between 3 AM to 3 AM (Avg. 27).

2026 Days Vs Air Quality

Northcpc Taoyuan Refinery F5, Zhongli, Taoyuan, Taiwan

2026

31%

58

61%

116

8%

16

Total number of days with different AQI categories in last 193 days in 2026 (172 days remaining)

Good
58 Days
Moderate
116 Days
Poor
16 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 31%

Health Risk Level:

High

In 2026, 31% of 193 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 2026

AQI (US)
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 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
44AQI (US)
2nd January 2026
55AQI (US)
3rd January 2026
64AQI (US)
4th January 2026
63AQI (US)
5th January 2026
87AQI (US)
6th January 2026
110AQI (US)
7th January 2026
96AQI (US)
8th January 2026
83AQI (US)
9th January 2026
76AQI (US)
10th January 2026
79AQI (US)
11th January 2026
84AQI (US)
12th January 2026
77AQI (US)
13th January 2026
99AQI (US)
14th January 2026
79AQI (US)
15th January 2026
95AQI (US)
16th January 2026
93AQI (US)
17th January 2026
98AQI (US)
18th January 2026
84AQI (US)
19th January 2026
74AQI (US)
20th January 2026
67AQI (US)
21st January 2026
56AQI (US)
22nd January 2026
44AQI (US)
23rd January 2026
61AQI (US)
24th January 2026
59AQI (US)
25th January 2026
66AQI (US)
26th January 2026
90AQI (US)
27th January 2026
85AQI (US)
28th January 2026
79AQI (US)
29th January 2026
67AQI (US)
30th January 2026
80AQI (US)
31st January 2026
72AQI (US)
1st February 2026
63AQI (US)
2nd February 2026
92AQI (US)
3rd February 2026
102AQI (US)
4th February 2026
88AQI (US)
5th February 2026
90AQI (US)
6th February 2026
108AQI (US)
7th February 2026
87AQI (US)
8th February 2026
99AQI (US)
9th February 2026
66AQI (US)
10th February 2026
76AQI (US)
11th February 2026
105AQI (US)
12th February 2026
105AQI (US)
13th February 2026
107AQI (US)
14th February 2026
140AQI (US)
15th February 2026
101AQI (US)
16th February 2026
89AQI (US)
17th February 2026
74AQI (US)
18th February 2026
87AQI (US)
19th February 2026
97AQI (US)
20th February 2026
111AQI (US)
21st February 2026
108AQI (US)
22nd February 2026
128AQI (US)
23rd February 2026
90AQI (US)
24th February 2026
99AQI (US)
25th February 2026
55AQI (US)
26th February 2026
66AQI (US)
27th February 2026
68AQI (US)
28th February 2026
63AQI (US)
1st March 2026
52AQI (US)
2nd March 2026
66AQI (US)
3rd March 2026
69AQI (US)
4th March 2026
48AQI (US)
5th March 2026
61AQI (US)
6th March 2026
77AQI (US)
7th March 2026
94AQI (US)
8th March 2026
78AQI (US)
9th March 2026
64AQI (US)
10th March 2026
54AQI (US)
11th March 2026
68AQI (US)
12th March 2026
68AQI (US)
13th March 2026
88AQI (US)
14th March 2026
82AQI (US)
15th March 2026
67AQI (US)
16th March 2026
47AQI (US)
17th March 2026
101AQI (US)
18th March 2026
120AQI (US)
19th March 2026
80AQI (US)
20th March 2026
95AQI (US)
21st March 2026
71AQI (US)
22nd March 2026
82AQI (US)
23rd March 2026
102AQI (US)
24th March 2026
89AQI (US)
25th March 2026
98AQI (US)
26th March 2026
78AQI (US)
27th March 2026
66AQI (US)
28th March 2026
84AQI (US)
29th March 2026
107AQI (US)
30th March 2026
125AQI (US)
31st March 2026
97AQI (US)
1st April 2026
62AQI (US)
2nd April 2026
67AQI (US)
3rd April 2026
71AQI (US)
4th April 2026
64AQI (US)
5th April 2026
63AQI (US)
6th April 2026
81AQI (US)
7th April 2026
68AQI (US)
8th April 2026
73AQI (US)
9th April 2026
96AQI (US)
10th April 2026
89AQI (US)
11th April 2026
84AQI (US)
12th April 2026
85AQI (US)
13th April 2026
85AQI (US)
14th April 2026
69AQI (US)
15th April 2026
69AQI (US)
16th April 2026
56AQI (US)
17th April 2026
18th April 2026
85AQI (US)
19th April 2026
79AQI (US)
20th April 2026
85AQI (US)
21st April 2026
76AQI (US)
22nd April 2026
23rd April 2026
85AQI (US)
24th April 2026
46AQI (US)
25th April 2026
45AQI (US)
26th April 2026
42AQI (US)
27th April 2026
73AQI (US)
28th April 2026
92AQI (US)
29th April 2026
63AQI (US)
30th April 2026
26AQI (US)
1st May 2026
45AQI (US)
2nd May 2026
55AQI (US)
3rd May 2026
64AQI (US)
4th May 2026
61AQI (US)
5th May 2026
45AQI (US)
6th May 2026
40AQI (US)
7th May 2026
47AQI (US)
8th May 2026
62AQI (US)
9th May 2026
10th May 2026
25AQI (US)
11th May 2026
34AQI (US)
12th May 2026
34AQI (US)
13th May 2026
37AQI (US)
14th May 2026
33AQI (US)
15th May 2026
32AQI (US)
16th May 2026
75AQI (US)
17th May 2026
60AQI (US)
18th May 2026
53AQI (US)
19th May 2026
45AQI (US)
20th May 2026
61AQI (US)
21st May 2026
68AQI (US)
22nd May 2026
72AQI (US)
23rd May 2026
67AQI (US)
24th May 2026
64AQI (US)
25th May 2026
57AQI (US)
26th May 2026
46AQI (US)
27th May 2026
57AQI (US)
28th May 2026
43AQI (US)
29th May 2026
50AQI (US)
30th May 2026
61AQI (US)
31st May 2026
51AQI (US)
1st June 2026
74AQI (US)
2nd June 2026
69AQI (US)
3rd June 2026
75AQI (US)
4th June 2026
53AQI (US)
5th June 2026
22AQI (US)
6th June 2026
44AQI (US)
7th June 2026
58AQI (US)
8th June 2026
33AQI (US)
9th June 2026
28AQI (US)
10th June 2026
25AQI (US)
11th June 2026
27AQI (US)
12th June 2026
25AQI (US)
13th June 2026
25AQI (US)
14th June 2026
31AQI (US)
15th June 2026
19AQI (US)
16th June 2026
26AQI (US)
17th June 2026
27AQI (US)
18th June 2026
26AQI (US)
19th June 2026
39AQI (US)
20th June 2026
40AQI (US)
21st June 2026
24AQI (US)
22nd June 2026
23AQI (US)
23rd June 2026
35AQI (US)
24th June 2026
40AQI (US)
25th June 2026
44AQI (US)
26th June 2026
40AQI (US)
27th June 2026
21AQI (US)
28th June 2026
26AQI (US)
29th June 2026
27AQI (US)
30th June 2026
31AQI (US)
1st July 2026
29AQI (US)
2nd July 2026
25AQI (US)
3rd July 2026
26AQI (US)
4th July 2026
26AQI (US)
5th July 2026
23AQI (US)
6th July 2026
25AQI (US)
7th July 2026
25AQI (US)
8th July 2026
26AQI (US)
9th July 2026
26AQI (US)
10th July 2026
50AQI (US)
11th July 2026
64AQI (US)
12th July 2026
34AQI (US)
13th July 2026
14th July 2026
15th July 2026
16th July 2026
17th July 2026
18th July 2026
19th July 2026
20th July 2026
21st July 2026
22nd July 2026
23rd July 2026
24th July 2026
25th July 2026
26th July 2026
27th July 2026
28th July 2026
29th July 2026
30th July 2026
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

76AQI (US)

92AQI (US)

80AQI (US)

71AQI (US)

51AQI (US)

36AQI (US)

32AQI (US)

No. of days

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

202665AQI (US)

2
28
1
18
10
2
24
5
4
24
14
16
25
5
11
1
58
116
16

Highest AQI (US) recorded in

February

92AQI (US)

Lowest AQI (US) recorded in

July

32AQI (US)

202559AQI (US)

31
1
25
2
2
29
3
27
9
22
25
5
17
14
27
4
27
3
2
29
1
29
5
26
119
244
2

Highest AQI (US) recorded in

November

74AQI (US)

Lowest AQI (US) recorded in

August

43AQI (US)

202459AQI (US)

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 (US) recorded in

March

85AQI (US)

Lowest AQI (US) recorded in

July

31AQI (US)

202354AQI (US)

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 (US) recorded in

April

68AQI (US)

Lowest AQI (US) recorded in

July

39AQI (US)

202252AQI (US)

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 (US) recorded in

March

74AQI (US)

Lowest AQI (US) recorded in

July

38AQI (US)

202162AQI (US)

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 (US) recorded in

March

81AQI (US)

Lowest AQI (US) recorded in

October

47AQI (US)

202068AQI (US)

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

Highest AQI (US) recorded in

October

84AQI (US)

Lowest AQI (US) recorded in

November

59AQI (US)

Most & Least Polluted Years Over the Last 7 Years

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

Northcpc Taoyuan Refinery F5's annual 2026 AQI (US) (65) shows an average percentage change of 11.02% (worsened AQI (US)) compared to previous years: 2020 (68), 2021 (62), 2022 (52), 2023 (54), 2024 (59), 2025 (59).