Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Centraltaichung Citywenshan, Taichung, Taichung, Taiwan Historical Air Quality Analysis

Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!

Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

February Air Quality Analysis

Centraltaichung Citywenshan, Taichung, Taichung, Taiwan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
10th Feb 2024
101AQI
Lowest AQI recorded on
1st Feb 2026
18AQI

Same Day Analysis (10th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 52 of Moderate air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 9th Feb - 10th Feb 2026

Centraltaichung Citywenshan, Taichung, Taichung, Taiwan

AQI
Day
Night
.

6 AM9th Feb 2026

5 PM

5 AM10th Feb 2026

Day time
Avg. Highest Time
4PM9th Feb

67AQI

Avg. Lowest Time
9AM9th Feb

29AQI

Night time
Avg. Highest Time
5AM10th Feb

67AQI

Avg. Lowest Time
8PM9th Feb

40AQI

In the last 24 hours,

Centraltaichung Citywenshan's AQI reached its highest point of 67 at 4 PM during the Day, while the lowest point, 29, was recorded at 9 AM during the Day between 9th Feb and 10th Feb 2026.

Day & Night AQI Trend : Jan - Feb 2026

Centraltaichung Citywenshan, Taichung, Taichung, Taiwan

JanFeb
12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th
Day
Night
12th Jan 2026666 AMAQI
12th Jan 2026647 AMAQI
12th Jan 2026708 AMAQI
12th Jan 2026679 AMAQI
12th Jan 20267010 AMAQI
12th Jan 20267311 AMAQI
12th Jan 20267912 PMAQI
12th Jan 2026801 PMAQI
12th Jan 2026762 PMAQI
12th Jan 2026743 PMAQI
12th Jan 2026724 PMAQI
12th Jan 2026555 PMAQI
12th Jan 2026586 PMAQI
12th Jan 2026507 PMAQI
12th Jan 2026548 PMAQI
12th Jan 2026629 PMAQI
12th Jan 20267310 PMAQI
12th Jan 20267211 PMAQI
13th Jan 20266612 AMAQI
13th Jan 2026691 AMAQI
13th Jan 2026792 AMAQI
13th Jan 2026783 AMAQI
13th Jan 2026744 AMAQI
13th Jan 2026595 AMAQI

17°C13/21°C

13th Jan 2026536 AMAQI
13th Jan 2026627 AMAQI
13th Jan 2026568 AMAQI
13th Jan 2026539 AMAQI
13th Jan 20265510 AMAQI
13th Jan 20265611 AMAQI
13th Jan 20265112 PMAQI
13th Jan 2026461 PMAQI
13th Jan 2026482 PMAQI
13th Jan 2026513 PMAQI
13th Jan 2026564 PMAQI
13th Jan 2026585 PMAQI
13th Jan 2026576 PMAQI
13th Jan 2026627 PMAQI
13th Jan 2026738 PMAQI
13th Jan 2026769 PMAQI
13th Jan 20268810 PMAQI
13th Jan 20268211 PMAQI
14th Jan 20268412 AMAQI
14th Jan 2026821 AMAQI
14th Jan 2026862 AMAQI
14th Jan 2026763 AMAQI
14th Jan 2026794 AMAQI
14th Jan 2026765 AMAQI

18°C14/23°C

14th Jan 2026806 AMAQI
14th Jan 2026767 AMAQI
14th Jan 2026688 AMAQI
14th Jan 2026729 AMAQI
14th Jan 20268110 AMAQI
14th Jan 20266711 AMAQI
14th Jan 20266212 PMAQI
14th Jan 2026601 PMAQI
14th Jan 2026692 PMAQI
14th Jan 2026683 PMAQI
14th Jan 2026684 PMAQI
14th Jan 2026765 PMAQI
14th Jan 2026696 PMAQI
14th Jan 2026737 PMAQI
14th Jan 2026768 PMAQI
14th Jan 2026739 PMAQI
14th Jan 20266710 PMAQI
14th Jan 20266411 PMAQI
15th Jan 20267312 AMAQI
15th Jan 2026741 AMAQI
15th Jan 2026762 AMAQI
15th Jan 2026783 AMAQI
15th Jan 2026874 AMAQI
15th Jan 2026885 AMAQI

18°C14/24°C

15th Jan 2026926 AMAQI
15th Jan 2026857 AMAQI
15th Jan 2026908 AMAQI
15th Jan 2026989 AMAQI
15th Jan 20269210 AMAQI
15th Jan 20268611 AMAQI
15th Jan 20268012 PMAQI
15th Jan 2026601 PMAQI
15th Jan 2026602 PMAQI
15th Jan 2026543 PMAQI
15th Jan 2026584 PMAQI
15th Jan 2026595 PMAQI
15th Jan 2026686 PMAQI
15th Jan 2026657 PMAQI
15th Jan 2026838 PMAQI
15th Jan 2026849 PMAQI
15th Jan 20267810 PMAQI
15th Jan 20268611 PMAQI
16th Jan 20269012 AMAQI
16th Jan 2026861 AMAQI
16th Jan 2026952 AMAQI
16th Jan 2026853 AMAQI
16th Jan 2026874 AMAQI
16th Jan 2026845 AMAQI

18°C14/24°C

16th Jan 2026816 AMAQI
16th Jan 2026687 AMAQI
16th Jan 2026718 AMAQI
16th Jan 2026749 AMAQI
16th Jan 20267310 AMAQI
16th Jan 20266511 AMAQI
16th Jan 20266012 PMAQI
16th Jan 2026531 PMAQI
16th Jan 2026602 PMAQI
16th Jan 2026583 PMAQI
16th Jan 2026584 PMAQI
16th Jan 2026625 PMAQI
16th Jan 2026656 PMAQI
16th Jan 2026607 PMAQI
16th Jan 2026638 PMAQI
16th Jan 2026689 PMAQI
16th Jan 20267210 PMAQI
16th Jan 20266911 PMAQI
17th Jan 20268312 AMAQI
17th Jan 2026871 AMAQI
17th Jan 2026762 AMAQI
17th Jan 2026843 AMAQI
17th Jan 2026744 AMAQI
17th Jan 2026675 AMAQI

19°C15/25°C

17th Jan 2026686 AMAQI
17th Jan 2026667 AMAQI
17th Jan 2026628 AMAQI
17th Jan 2026629 AMAQI
17th Jan 20266410 AMAQI
17th Jan 20266411 AMAQI
17th Jan 20266412 PMAQI
17th Jan 2026661 PMAQI
17th Jan 2026642 PMAQI
17th Jan 2026673 PMAQI
17th Jan 2026634 PMAQI
17th Jan 2026585 PMAQI
17th Jan 2026586 PMAQI
17th Jan 2026647 PMAQI
17th Jan 2026658 PMAQI
17th Jan 2026639 PMAQI
17th Jan 20266910 PMAQI
17th Jan 20267411 PMAQI
18th Jan 20266912 AMAQI
18th Jan 2026801 AMAQI
18th Jan 2026732 AMAQI
18th Jan 2026703 AMAQI
18th Jan 2026584 AMAQI
18th Jan 2026525 AMAQI

20°C15/25°C

18th Jan 2026606 AMAQI
18th Jan 2026677 AMAQI
18th Jan 2026678 AMAQI
18th Jan 2026729 AMAQI
18th Jan 20267210 AMAQI
18th Jan 20266411 AMAQI
18th Jan 20266612 PMAQI
18th Jan 2026641 PMAQI
18th Jan 2026682 PMAQI
18th Jan 2026643 PMAQI
18th Jan 2026674 PMAQI
18th Jan 2026625 PMAQI
18th Jan 2026636 PMAQI
18th Jan 2026657 PMAQI
18th Jan 2026718 PMAQI
18th Jan 2026729 PMAQI
18th Jan 20267210 PMAQI
18th Jan 20268311 PMAQI
19th Jan 20268812 AMAQI
19th Jan 2026781 AMAQI
19th Jan 2026802 AMAQI
19th Jan 2026813 AMAQI
19th Jan 2026794 AMAQI
19th Jan 2026695 AMAQI

20°C16/25°C

19th Jan 2026656 AMAQI
19th Jan 2026627 AMAQI
19th Jan 2026638 AMAQI
19th Jan 2026669 AMAQI
19th Jan 20266410 AMAQI
19th Jan 20266511 AMAQI
19th Jan 20266312 PMAQI
19th Jan 2026551 PMAQI
19th Jan 2026542 PMAQI
19th Jan 2026553 PMAQI
19th Jan 2026574 PMAQI
19th Jan 2026585 PMAQI
19th Jan 2026556 PMAQI
19th Jan 2026607 PMAQI
19th Jan 2026678 PMAQI
19th Jan 2026699 PMAQI
19th Jan 20266910 PMAQI
19th Jan 20266611 PMAQI
20th Jan 20266812 AMAQI
20th Jan 2026681 AMAQI
20th Jan 2026652 AMAQI
20th Jan 2026533 AMAQI
20th Jan 2026444 AMAQI
20th Jan 2026295 AMAQI

19°C15/25°C

20th Jan 2026426 AMAQI
20th Jan 2026427 AMAQI
20th Jan 2026238 AMAQI
20th Jan 2026159 AMAQI
20th Jan 20261710 AMAQI
20th Jan 20261711 AMAQI
20th Jan 20261712 PMAQI
20th Jan 2026211 PMAQI
20th Jan 2026272 PMAQI
20th Jan 2026283 PMAQI
20th Jan 2026364 PMAQI
20th Jan 2026365 PMAQI
20th Jan 2026356 PMAQI
20th Jan 2026297 PMAQI
20th Jan 2026368 PMAQI
20th Jan 2026409 PMAQI
20th Jan 20264010 PMAQI
20th Jan 20263811 PMAQI
21st Jan 20263612 AMAQI
21st Jan 2026381 AMAQI
21st Jan 2026292 AMAQI
21st Jan 2026213 AMAQI
21st Jan 2026234 AMAQI
21st Jan 2026255 AMAQI

18°C14/24°C

21st Jan 2026236 AMAQI
21st Jan 2026257 AMAQI
21st Jan 2026198 AMAQI
21st Jan 2026259 AMAQI
21st Jan 20262511 AMAQI
21st Jan 20262312 PMAQI
21st Jan 2026171 PMAQI
21st Jan 2026212 PMAQI
21st Jan 2026213 PMAQI
21st Jan 2026214 PMAQI
21st Jan 2026235 PMAQI
21st Jan 2026276 PMAQI
21st Jan 2026267 PMAQI
21st Jan 2026388 PMAQI
21st Jan 2026499 PMAQI
21st Jan 20265010 PMAQI
21st Jan 20265611 PMAQI
22nd Jan 20266412 AMAQI
22nd Jan 2026621 AMAQI
22nd Jan 2026662 AMAQI
22nd Jan 2026573 AMAQI
22nd Jan 2026544 AMAQI
22nd Jan 2026535 AMAQI

15°C12/19°C

22nd Jan 2026516 AMAQI
22nd Jan 2026517 AMAQI
22nd Jan 2026548 AMAQI
22nd Jan 2026569 AMAQI
22nd Jan 20264610 AMAQI
22nd Jan 20264411 AMAQI
22nd Jan 20264612 PMAQI
22nd Jan 2026441 PMAQI
22nd Jan 2026742 PMAQI
22nd Jan 2026373 PMAQI
22nd Jan 2026374 PMAQI
22nd Jan 2026375 PMAQI
22nd Jan 2026386 PMAQI
22nd Jan 2026457 PMAQI
22nd Jan 2026558 PMAQI
22nd Jan 2026369 PMAQI
22nd Jan 20264410 PMAQI
22nd Jan 20264011 PMAQI
23rd Jan 20262712 AMAQI
23rd Jan 2026441 AMAQI
23rd Jan 2026422 AMAQI
23rd Jan 2026903 AMAQI
23rd Jan 20261114 AMAQI
23rd Jan 2026605 AMAQI

15°C11/19°C

23rd Jan 2026316 AMAQI
23rd Jan 2026407 AMAQI
23rd Jan 2026868 AMAQI
23rd Jan 20261089 AMAQI
23rd Jan 20265810 AMAQI
23rd Jan 20265411 AMAQI
23rd Jan 20265112 PMAQI
23rd Jan 2026401 PMAQI
23rd Jan 2026632 PMAQI
23rd Jan 2026563 PMAQI
23rd Jan 2026524 PMAQI
23rd Jan 2026545 PMAQI
23rd Jan 2026606 PMAQI
23rd Jan 2026587 PMAQI
23rd Jan 2026608 PMAQI
23rd Jan 2026529 PMAQI
23rd Jan 20264510 PMAQI
23rd Jan 20266011 PMAQI
24th Jan 20266012 AMAQI
24th Jan 2026581 AMAQI
24th Jan 2026552 AMAQI
24th Jan 2026863 AMAQI
24th Jan 2026964 AMAQI
24th Jan 2026585 AMAQI

16°C13/20°C

24th Jan 2026566 AMAQI
24th Jan 2026487 AMAQI
24th Jan 2026658 AMAQI
24th Jan 2026829 AMAQI
24th Jan 20265810 AMAQI
24th Jan 20264311 AMAQI
24th Jan 20264612 PMAQI
24th Jan 2026581 PMAQI
24th Jan 2026742 PMAQI
24th Jan 2026533 PMAQI
24th Jan 2026494 PMAQI
24th Jan 2026445 PMAQI
24th Jan 2026496 PMAQI
24th Jan 2026537 PMAQI
24th Jan 2026448 PMAQI
24th Jan 2026689 PMAQI
24th Jan 20264810 PMAQI
24th Jan 20264411 PMAQI
25th Jan 20265112 AMAQI
25th Jan 2026741 AMAQI
25th Jan 2026722 AMAQI
25th Jan 2026793 AMAQI
25th Jan 20261084 AMAQI
25th Jan 2026655 AMAQI

18°C14/23°C

25th Jan 2026586 AMAQI
25th Jan 2026527 AMAQI
25th Jan 2026978 AMAQI
25th Jan 20261359 AMAQI
25th Jan 20268210 AMAQI
25th Jan 20268811 AMAQI
25th Jan 20269012 PMAQI
25th Jan 2026801 PMAQI
25th Jan 2026762 PMAQI
25th Jan 2026583 PMAQI
25th Jan 2026514 PMAQI
25th Jan 2026465 PMAQI
25th Jan 2026586 PMAQI
25th Jan 2026947 PMAQI
25th Jan 2026918 PMAQI
25th Jan 2026529 PMAQI
25th Jan 20263810 PMAQI
25th Jan 20263611 PMAQI
26th Jan 20264812 AMAQI
26th Jan 2026381 AMAQI
26th Jan 2026562 AMAQI
26th Jan 2026533 AMAQI
26th Jan 2026574 AMAQI
26th Jan 2026655 AMAQI

18°C14/24°C

26th Jan 2026666 AMAQI
26th Jan 2026627 AMAQI
26th Jan 2026648 AMAQI
26th Jan 20265710 AMAQI
26th Jan 20266211 AMAQI
26th Jan 20266912 PMAQI
26th Jan 2026541 PMAQI
26th Jan 2026602 PMAQI
26th Jan 2026733 PMAQI
26th Jan 2026654 PMAQI
26th Jan 2026735 PMAQI
26th Jan 2026746 PMAQI
26th Jan 2026737 PMAQI
26th Jan 2026708 PMAQI
26th Jan 2026719 PMAQI
26th Jan 20267610 PMAQI
26th Jan 20267611 PMAQI
27th Jan 20267512 AMAQI
27th Jan 2026731 AMAQI
27th Jan 2026862 AMAQI
27th Jan 2026923 AMAQI
27th Jan 2026874 AMAQI
27th Jan 2026735 AMAQI

18°C16/22°C

27th Jan 2026686 AMAQI
27th Jan 2026607 AMAQI
27th Jan 2026718 AMAQI
27th Jan 20261069 AMAQI
27th Jan 20269810 AMAQI
27th Jan 20269911 AMAQI
27th Jan 20266612 PMAQI
27th Jan 2026571 PMAQI
27th Jan 2026502 PMAQI
27th Jan 2026503 PMAQI
27th Jan 2026554 PMAQI
27th Jan 2026545 PMAQI
27th Jan 2026466 PMAQI
27th Jan 2026347 PMAQI
27th Jan 2026428 PMAQI
27th Jan 2026319 PMAQI
27th Jan 20262710 PMAQI
27th Jan 20264211 PMAQI
28th Jan 20262512 AMAQI
28th Jan 2026271 AMAQI
28th Jan 2026212 AMAQI
28th Jan 2026273 AMAQI
28th Jan 2026294 AMAQI
28th Jan 2026295 AMAQI

19°C17/24°C

28th Jan 2026316 AMAQI
28th Jan 2026257 AMAQI
28th Jan 2026298 AMAQI
28th Jan 2026449 AMAQI
28th Jan 20262910 AMAQI
28th Jan 20262811 AMAQI
28th Jan 20264212 PMAQI
28th Jan 2026481 PMAQI
28th Jan 2026572 PMAQI
28th Jan 2026513 PMAQI
28th Jan 2026504 PMAQI
28th Jan 2026465 PMAQI
28th Jan 2026506 PMAQI
28th Jan 2026427 PMAQI
28th Jan 2026338 PMAQI
28th Jan 2026429 PMAQI
28th Jan 20262911 PMAQI
29th Jan 20262912 AMAQI
29th Jan 2026231 AMAQI
29th Jan 2026252 AMAQI
29th Jan 2026273 AMAQI
29th Jan 2026294 AMAQI
29th Jan 2026405 AMAQI

18°C14/23°C

29th Jan 2026336 AMAQI
29th Jan 2026407 AMAQI
29th Jan 2026298 AMAQI
29th Jan 2026509 AMAQI
29th Jan 20262010 AMAQI
29th Jan 20264011 AMAQI
29th Jan 20264412 PMAQI
29th Jan 2026431 PMAQI
29th Jan 2026412 PMAQI
29th Jan 2026503 PMAQI
29th Jan 2026484 PMAQI
29th Jan 2026485 PMAQI
29th Jan 2026526 PMAQI
29th Jan 2026527 PMAQI
29th Jan 2026508 PMAQI
29th Jan 2026539 PMAQI
29th Jan 20265010 PMAQI
29th Jan 20265811 PMAQI
30th Jan 20265412 AMAQI
30th Jan 2026551 AMAQI
30th Jan 2026342 AMAQI
30th Jan 2026403 AMAQI
30th Jan 2026504 AMAQI
30th Jan 2026575 AMAQI

18°C13/24°C

30th Jan 2026566 AMAQI
30th Jan 2026447 AMAQI
30th Jan 2026488 AMAQI
30th Jan 2026449 AMAQI
30th Jan 20265810 AMAQI
30th Jan 20266611 AMAQI
30th Jan 20265712 PMAQI
30th Jan 2026621 PMAQI
30th Jan 2026602 PMAQI
30th Jan 2026593 PMAQI
30th Jan 2026604 PMAQI
30th Jan 2026725 PMAQI
30th Jan 2026686 PMAQI
30th Jan 2026647 PMAQI
30th Jan 2026578 PMAQI
30th Jan 2026569 PMAQI
30th Jan 20265710 PMAQI
30th Jan 20265611 PMAQI
31st Jan 20265512 AMAQI
31st Jan 2026561 AMAQI
31st Jan 2026542 AMAQI
31st Jan 2026523 AMAQI
31st Jan 2026574 AMAQI
31st Jan 2026645 AMAQI

19°C16/23°C

31st Jan 2026536 AMAQI
31st Jan 2026577 AMAQI
31st Jan 2026818 AMAQI
31st Jan 20261049 AMAQI
31st Jan 20264210 AMAQI
31st Jan 20264111 AMAQI
31st Jan 20264112 PMAQI
31st Jan 2026291 PMAQI
31st Jan 2026162 PMAQI
31st Jan 2026183 PMAQI
31st Jan 2026204 PMAQI
31st Jan 2026215 PMAQI
31st Jan 2026237 PMAQI
31st Jan 2026258 PMAQI
31st Jan 2026219 PMAQI
31st Jan 20261710 PMAQI
31st Jan 20261711 PMAQI
1st Feb 20261212 AMAQI
1st Feb 2026191 AMAQI
1st Feb 2026192 AMAQI
1st Feb 2026173 AMAQI
1st Feb 2026194 AMAQI
1st Feb 2026145 AMAQI

19°C16/24°C

1st Feb 2026126 AMAQI
1st Feb 2026107 AMAQI
1st Feb 202698 AMAQI
1st Feb 2026129 AMAQI
1st Feb 20261210 AMAQI
1st Feb 20261211 AMAQI
1st Feb 20261412 PMAQI
1st Feb 2026181 PMAQI
1st Feb 2026142 PMAQI
1st Feb 2026203 PMAQI
1st Feb 2026184 PMAQI
1st Feb 2026215 PMAQI
1st Feb 2026236 PMAQI
1st Feb 2026257 PMAQI
1st Feb 2026278 PMAQI
1st Feb 2026239 PMAQI
1st Feb 20262910 PMAQI
1st Feb 20263111 PMAQI
2nd Feb 20262712 AMAQI
2nd Feb 2026271 AMAQI
2nd Feb 2026192 AMAQI
2nd Feb 2026193 AMAQI
2nd Feb 2026194 AMAQI
2nd Feb 2026175 AMAQI

17°C14/20°C

2nd Feb 2026126 AMAQI
2nd Feb 2026197 AMAQI
2nd Feb 2026548 AMAQI
2nd Feb 20261159 AMAQI
2nd Feb 20267310 AMAQI
2nd Feb 20265711 AMAQI
2nd Feb 20265812 PMAQI
2nd Feb 2026421 PMAQI
2nd Feb 2026422 PMAQI
2nd Feb 2026473 PMAQI
2nd Feb 2026584 PMAQI
2nd Feb 2026605 PMAQI
2nd Feb 2026706 PMAQI
2nd Feb 2026717 PMAQI
2nd Feb 2026748 PMAQI
2nd Feb 2026629 PMAQI
2nd Feb 20266410 PMAQI
2nd Feb 20267511 PMAQI
3rd Feb 20265412 AMAQI
3rd Feb 2026541 AMAQI
3rd Feb 2026512 AMAQI
3rd Feb 2026333 AMAQI
3rd Feb 2026524 AMAQI
3rd Feb 2026525 AMAQI

16°C15/19°C

3rd Feb 2026596 AMAQI
3rd Feb 2026577 AMAQI
3rd Feb 2026668 AMAQI
3rd Feb 2026689 AMAQI
3rd Feb 20266910 AMAQI
3rd Feb 20266411 AMAQI
3rd Feb 20265312 PMAQI
3rd Feb 2026481 PMAQI
3rd Feb 2026632 PMAQI
3rd Feb 2026654 PMAQI
3rd Feb 2026635 PMAQI
3rd Feb 2026656 PMAQI
3rd Feb 2026627 PMAQI
3rd Feb 2026648 PMAQI
3rd Feb 2026669 PMAQI
3rd Feb 20267010 PMAQI
3rd Feb 20266811 PMAQI
4th Feb 20266912 AMAQI
4th Feb 2026691 AMAQI
4th Feb 2026802 AMAQI
4th Feb 2026813 AMAQI
4th Feb 2026784 AMAQI
4th Feb 2026805 AMAQI

18°C14/23°C

4th Feb 2026786 AMAQI
4th Feb 2026677 AMAQI
4th Feb 2026688 AMAQI
4th Feb 2026679 AMAQI
4th Feb 20265510 AMAQI
4th Feb 20265311 AMAQI
4th Feb 20266912 PMAQI
4th Feb 2026671 PMAQI
4th Feb 2026512 PMAQI
4th Feb 2026723 PMAQI
4th Feb 2026714 PMAQI
4th Feb 2026505 PMAQI
4th Feb 2026496 PMAQI
4th Feb 2026597 PMAQI
4th Feb 2026608 PMAQI
4th Feb 2026679 PMAQI
4th Feb 20267910 PMAQI
4th Feb 20267311 PMAQI
5th Feb 20268512 AMAQI
5th Feb 2026781 AMAQI
5th Feb 2026962 AMAQI
5th Feb 20261123 AMAQI
5th Feb 20261184 AMAQI
5th Feb 20261215 AMAQI

19°C14/24°C

5th Feb 20261056 AMAQI
5th Feb 20261127 AMAQI
5th Feb 20261268 AMAQI
5th Feb 20261129 AMAQI
5th Feb 202614210 AMAQI
5th Feb 202610211 AMAQI
5th Feb 202611612 PMAQI
5th Feb 2026681 PMAQI
5th Feb 2026532 PMAQI
5th Feb 2026273 PMAQI
5th Feb 2026514 PMAQI
5th Feb 2026335 PMAQI
5th Feb 2026216 PMAQI
5th Feb 2026337 PMAQI
5th Feb 2026338 PMAQI
5th Feb 2026289 PMAQI
5th Feb 20264610 PMAQI
5th Feb 20264011 PMAQI
6th Feb 20263612 AMAQI
6th Feb 2026311 AMAQI
6th Feb 2026332 AMAQI
6th Feb 2026463 AMAQI
6th Feb 2026364 AMAQI
6th Feb 2026515 AMAQI

21°C16/27°C

6th Feb 2026406 AMAQI
6th Feb 2026467 AMAQI
6th Feb 2026608 AMAQI
6th Feb 2026599 AMAQI
6th Feb 20267410 AMAQI
6th Feb 20266512 PMAQI
6th Feb 2026461 PMAQI
6th Feb 2026482 PMAQI
6th Feb 2026293 PMAQI
6th Feb 2026254 PMAQI
6th Feb 2026545 PMAQI
6th Feb 2026676 PMAQI
6th Feb 2026647 PMAQI
6th Feb 2026748 PMAQI
6th Feb 2026739 PMAQI
6th Feb 20267510 PMAQI
6th Feb 20267111 PMAQI
7th Feb 20267812 AMAQI
7th Feb 2026921 AMAQI
7th Feb 2026822 AMAQI
7th Feb 2026743 AMAQI
7th Feb 2026294 AMAQI
7th Feb 2026215 AMAQI

20°C18/23°C

7th Feb 2026176 AMAQI
7th Feb 202697 AMAQI
7th Feb 2026138 AMAQI
7th Feb 2026179 AMAQI
7th Feb 20261710 AMAQI
7th Feb 20261611 AMAQI
7th Feb 20261512 PMAQI
7th Feb 2026321 PMAQI
7th Feb 2026372 PMAQI
7th Feb 2026343 PMAQI
7th Feb 2026334 PMAQI
7th Feb 2026265 PMAQI
7th Feb 2026256 PMAQI
7th Feb 2026297 PMAQI
7th Feb 2026508 PMAQI
7th Feb 2026369 PMAQI
7th Feb 20265110 PMAQI
7th Feb 20264811 PMAQI
8th Feb 20264612 AMAQI
8th Feb 2026461 AMAQI
8th Feb 2026402 AMAQI
8th Feb 2026363 AMAQI
8th Feb 2026404 AMAQI
8th Feb 2026425 AMAQI

17°C15/21°C

8th Feb 2026567 AMAQI
8th Feb 2026558 AMAQI
8th Feb 2026699 AMAQI
8th Feb 20267410 AMAQI
8th Feb 20267111 AMAQI
8th Feb 20266612 PMAQI
8th Feb 2026621 PMAQI
8th Feb 2026622 PMAQI
8th Feb 2026583 PMAQI
8th Feb 2026764 PMAQI
8th Feb 2026725 PMAQI
8th Feb 2026696 PMAQI
8th Feb 2026747 PMAQI
8th Feb 2026658 PMAQI
8th Feb 2026679 PMAQI
8th Feb 20266210 PMAQI
8th Feb 20266711 PMAQI
9th Feb 20266712 AMAQI
9th Feb 2026561 AMAQI
9th Feb 2026522 AMAQI
9th Feb 2026523 AMAQI
9th Feb 2026524 AMAQI
9th Feb 2026485 AMAQI

14°C10/17°C

9th Feb 2026426 AMAQI
9th Feb 2026387 AMAQI
9th Feb 2026338 AMAQI
9th Feb 2026299 AMAQI
9th Feb 20264610 AMAQI
9th Feb 20265211 AMAQI
9th Feb 20265212 PMAQI
9th Feb 2026661 PMAQI
9th Feb 2026632 PMAQI
9th Feb 2026603 PMAQI
9th Feb 2026674 PMAQI
9th Feb 2026665 PMAQI
9th Feb 2026586 PMAQI
9th Feb 2026517 PMAQI
9th Feb 2026408 PMAQI
9th Feb 2026579 PMAQI
9th Feb 20266510 PMAQI
9th Feb 20264211 PMAQI
10th Feb 20265312 AMAQI
10th Feb 2026571 AMAQI
10th Feb 2026502 AMAQI
10th Feb 2026513 AMAQI
10th Feb 2026514 AMAQI
10th Feb 2026675 AMAQI

14°C10/18°C

10th Feb 2026606 AMAQI
6 AM
10th Feb 2026547 AMAQI
10th Feb 2026588 AMAQI
10th Feb 2026649 AMAQI
10th Feb 20266910 AMAQI
10th Feb 20267311 AMAQI
11 AM
10th Feb 20266812 PMAQI
10th Feb 2026561 PMAQI
10th Feb 2026442 PMAQI
10th Feb 2026623 PMAQI
10th Feb 2026314 PMAQI
10th Feb 2026275 PMAQI
5 PM
10th Feb 2026256 PMAQI
10th Feb 2026297 PMAQI
10th Feb 2026548 PMAQI
10th Feb 2026449 PMAQI
10th Feb 20264910 PMAQI
10th Feb 20266011 PMAQI
11 PM
5 AM

17°C13/19°C

Day time
Avg. Highest Time
9 AM

67AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
3 PM - 5 PM

50AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 9 AM (Avg. 67), while the lowest AQI was between 3 PM to 5 PM (Avg. 50).
Night time
Avg. Highest Time
3 AM - 4 AM

61AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
6 PM - 7 PM

53AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 4 AM (Avg. 61), while the lowest AQI was between 6 PM to 7 PM (Avg. 53).

2026 Days Vs Air Quality

Centraltaichung Citywenshan, Taichung, Taichung, Taiwan

2026

29%

12

71%

29

Total number of days with different AQI categories in last 42 days in 2026 (323 days remaining)

Good
12 Days
Moderate
29 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 29%

Health Risk Level:

Very high

In 2026, 29% of 42 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.

Annual Air Quality Insights

Centraltaichung Citywenshan, Taichung, Taichung, 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
26AQI (US)
2nd January 2026
31AQI (US)
3rd January 2026
38AQI (US)
4th January 2026
56AQI (US)
5th January 2026
68AQI (US)
6th January 2026
66AQI (US)
7th January 2026
67AQI (US)
8th January 2026
64AQI (US)
9th January 2026
62AQI (US)
10th January 2026
54AQI (US)
11th January 2026
53AQI (US)
12th January 2026
65AQI (US)
13th January 2026
63AQI (US)
14th January 2026
73AQI (US)
15th January 2026
77AQI (US)
16th January 2026
71AQI (US)
17th January 2026
68AQI (US)
18th January 2026
68AQI (US)
19th January 2026
66AQI (US)
20th January 2026
36AQI (US)
21st January 2026
29AQI (US)
22nd January 2026
50AQI (US)
23rd January 2026
58AQI (US)
24th January 2026
58AQI (US)
25th January 2026
72AQI (US)
26th January 2026
64AQI (US)
27th January 2026
64AQI (US)
28th January 2026
36AQI (US)
29th January 2026
41AQI (US)
30th January 2026
56AQI (US)
31st January 2026
42AQI (US)
1st February 2026
18AQI (US)
2nd February 2026
49AQI (US)
3rd February 2026
59AQI (US)
4th February 2026
67AQI (US)
5th February 2026
77AQI (US)
6th February 2026
52AQI (US)
7th February 2026
37AQI (US)
8th February 2026
60AQI (US)
9th February 2026
52AQI (US)
10th February 2026
52AQI (US)
11th February 2026
12th February 2026
13th February 2026
14th February 2026
15th February 2026
16th February 2026
17th February 2026
18th February 2026
19th February 2026
20th February 2026
21st February 2026
22nd February 2026
23rd February 2026
24th February 2026
25th February 2026
26th February 2026
27th February 2026
28th February 2026
1st March 2026
2nd March 2026
3rd March 2026
4th March 2026
5th March 2026
6th March 2026
7th March 2026
8th March 2026
9th March 2026
10th March 2026
11th March 2026
12th March 2026
13th March 2026
14th March 2026
15th March 2026
16th March 2026
17th March 2026
18th March 2026
19th March 2026
20th March 2026
21st March 2026
22nd March 2026
23rd March 2026
24th March 2026
25th March 2026
26th March 2026
27th March 2026
28th March 2026
29th March 2026
30th March 2026
31st March 2026
1st April 2026
2nd April 2026
3rd April 2026
4th April 2026
5th April 2026
6th April 2026
7th April 2026
8th April 2026
9th April 2026
10th April 2026
11th April 2026
12th April 2026
13th April 2026
14th April 2026
15th April 2026
16th April 2026
17th April 2026
18th April 2026
19th April 2026
20th April 2026
21st April 2026
22nd April 2026
23rd April 2026
24th April 2026
25th April 2026
26th April 2026
27th April 2026
28th April 2026
29th April 2026
30th April 2026
1st May 2026
2nd May 2026
3rd May 2026
4th May 2026
5th May 2026
6th May 2026
7th May 2026
8th May 2026
9th May 2026
10th May 2026
11th May 2026
12th May 2026
13th May 2026
14th May 2026
15th May 2026
16th May 2026
17th May 2026
18th May 2026
19th May 2026
20th May 2026
21st May 2026
22nd May 2026
23rd May 2026
24th May 2026
25th May 2026
26th May 2026
27th May 2026
28th May 2026
29th May 2026
30th May 2026
31st May 2026
1st June 2026
2nd June 2026
3rd June 2026
4th June 2026
5th June 2026
6th June 2026
7th June 2026
8th June 2026
9th June 2026
10th June 2026
11th June 2026
12th June 2026
13th June 2026
14th June 2026
15th June 2026
16th June 2026
17th June 2026
18th June 2026
19th June 2026
20th June 2026
21st June 2026
22nd June 2026
23rd June 2026
24th June 2026
25th June 2026
26th June 2026
27th June 2026
28th June 2026
29th June 2026
30th June 2026
1st July 2026
2nd July 2026
3rd July 2026
4th July 2026
5th July 2026
6th July 2026
7th July 2026
8th July 2026
9th July 2026
10th July 2026
11th July 2026
12th July 2026
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

56AQI (US)

52AQI (US)

No. of days

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

202655AQI (US)

9
22
3
7
12
29

Highest AQI (US) recorded in

January

56AQI (US)

Lowest AQI (US) recorded in

February

52AQI (US)

202553AQI (US)

1
29
1
9
19
8
23
3
27
19
12
29
1
29
2
30
1
16
14
11
20
10
20
8
23
173
191
1

Highest AQI (US) recorded in

January

64AQI (US)

Lowest AQI (US) recorded in

June

34AQI (US)

202449AQI (US)

3
28
8
20
1
5
26
9
21
14
17
29
31
27
4
18
10
19
12
22
8
12
19
197
165
1

Highest AQI (US) recorded in

January

69AQI (US)

Lowest AQI (US) recorded in

July

31AQI (US)

202359AQI (US)

4
24
3
2
26
28
3
28
2
7
21
1
21
8
28
3
27
4
11
19
10
19
2
6
23
15
16
131
219
11

Highest AQI (US) recorded in

April

77AQI (US)

Lowest AQI (US) recorded in

July

40AQI (US)

202252AQI (US)

7
23
9
12
7
21
3
9
21
21
10
30
20
1
1
9
19
17
14
9
20
1
20
11
158
153
4

Highest AQI (US) recorded in

March

73AQI (US)

Lowest AQI (US) recorded in

June

30AQI (US)

202158AQI (US)

5
17
5
2
17
6
29
2
1
29
15
9
29
1
26
5
26
5
12
18
13
17
1
6
24
8
22
1
143
193
15

Highest AQI (US) recorded in

February

83AQI (US)

Lowest AQI (US) recorded in

June

31AQI (US)

202046AQI (US)

4
11
16
2
30
30
1
25
6
10
20
12
19
9
20
1
16
14
1
152
93
2

Highest AQI (US) recorded in

November

63AQI (US)

Lowest AQI (US) recorded in

June

27AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2023(Avg.)
59AQI (US)
Least Polluted Year Recorded
2020(Avg.)
46AQI (US)

Centraltaichung Citywenshan's annual 2026 AQI (US) (55) shows an average percentage change of 5.3% (worsened AQI (US)) compared to previous years: 2020 (46), 2021 (58), 2022 (52), 2023 (59), 2024 (49), 2025 (53).