Centraltaichung Cityhouli, 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+
October Air Quality Analysis
Centraltaichung Cityhouli, Taichung, Taichung, Taiwan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
18th Oct 2023
114AQILowest AQI recorded on
16th Oct 2022
20AQISame Day Analysis (22nd October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 21 of Good air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 22nd Oct - 23rd Oct 2025
Centraltaichung Cityhouli, Taichung, Taichung, Taiwan
AQI
Day
Night
.
5 AM22nd Oct 2025
5 PM
4 AM23rd Oct 2025
Day time
Avg. Highest Time
12PM22nd Oct
27AQI
Avg. Lowest Time
6AM22nd Oct
15AQI
Night time
Avg. Highest Time
2AM23rd Oct
32AQI
Avg. Lowest Time
6PM22nd Oct
20AQI
In the last 24 hours,
Centraltaichung Cityhouli's AQI reached its highest point of 32 at 2 AM during the Night, while the lowest point, 15, was recorded at 6 AM during the Day between 22nd Oct and 23rd Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Centraltaichung Cityhouli, Taichung, Taichung, Taiwan
SepOct
23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd
Day
Night
23rd Sep 2025505 AMAQI
23rd Sep 2025516 AMAQI
23rd Sep 2025517 AMAQI
23rd Sep 2025468 AMAQI
23rd Sep 2025379 AMAQI
23rd Sep 20255210 AMAQI
23rd Sep 20254011 AMAQI
23rd Sep 20254412 PMAQI
23rd Sep 2025501 PMAQI
23rd Sep 2025522 PMAQI
23rd Sep 2025523 PMAQI
23rd Sep 2025444 PMAQI
23rd Sep 2025545 PMAQI
23rd Sep 2025526 PMAQI
23rd Sep 2025477 PMAQI
23rd Sep 2025538 PMAQI
23rd Sep 2025539 PMAQI
23rd Sep 20255510 PMAQI
23rd Sep 20255411 PMAQI
24th Sep 20255012 AMAQI
24th Sep 2025511 AMAQI
24th Sep 2025522 AMAQI
24th Sep 2025523 AMAQI
24th Sep 2025514 AMAQI
28°C26/30°C
24th Sep 2025515 AMAQI
24th Sep 2025526 AMAQI
24th Sep 2025517 AMAQI
24th Sep 2025348 AMAQI
24th Sep 2025289 AMAQI
24th Sep 20253110 AMAQI
24th Sep 20253611 AMAQI
24th Sep 20254812 PMAQI
24th Sep 2025421 PMAQI
24th Sep 2025452 PMAQI
24th Sep 2025463 PMAQI
24th Sep 2025424 PMAQI
24th Sep 2025405 PMAQI
24th Sep 2025556 PMAQI
24th Sep 2025577 PMAQI
24th Sep 2025568 PMAQI
24th Sep 2025559 PMAQI
24th Sep 20255410 PMAQI
24th Sep 20255411 PMAQI
25th Sep 20255612 AMAQI
25th Sep 2025511 AMAQI
25th Sep 2025502 AMAQI
25th Sep 2025503 AMAQI
25th Sep 2025494 AMAQI
27°C25/29°C
25th Sep 2025495 AMAQI
25th Sep 2025486 AMAQI
25th Sep 2025487 AMAQI
25th Sep 2025528 AMAQI
25th Sep 2025569 AMAQI
25th Sep 20255310 AMAQI
25th Sep 20256011 AMAQI
25th Sep 20256412 PMAQI
25th Sep 2025641 PMAQI
25th Sep 2025762 PMAQI
25th Sep 2025753 PMAQI
25th Sep 2025694 PMAQI
25th Sep 2025685 PMAQI
25th Sep 2025746 PMAQI
25th Sep 2025817 PMAQI
25th Sep 2025828 PMAQI
25th Sep 2025829 PMAQI
25th Sep 20258510 PMAQI
25th Sep 20258411 PMAQI
26th Sep 20258912 AMAQI
26th Sep 2025851 AMAQI
26th Sep 2025852 AMAQI
26th Sep 2025793 AMAQI
26th Sep 2025764 AMAQI
27°C24/30°C
26th Sep 2025685 AMAQI
26th Sep 2025686 AMAQI
26th Sep 2025677 AMAQI
26th Sep 2025658 AMAQI
26th Sep 2025639 AMAQI
26th Sep 20257010 AMAQI
26th Sep 20257111 AMAQI
26th Sep 20257412 PMAQI
26th Sep 2025811 PMAQI
26th Sep 2025932 PMAQI
26th Sep 20251123 PMAQI
26th Sep 20251124 PMAQI
26th Sep 20251135 PMAQI
26th Sep 20251306 PMAQI
26th Sep 20251387 PMAQI
26th Sep 20251298 PMAQI
26th Sep 20251189 PMAQI
26th Sep 20258910 PMAQI
26th Sep 20257311 PMAQI
27th Sep 20257512 AMAQI
27th Sep 2025701 AMAQI
27th Sep 2025672 AMAQI
27th Sep 2025563 AMAQI
27th Sep 2025444 AMAQI
27°C25/29°C
27th Sep 2025675 AMAQI
27th Sep 2025566 AMAQI
27th Sep 2025517 AMAQI
27th Sep 2025658 AMAQI
27th Sep 2025769 AMAQI
27th Sep 20258010 AMAQI
27th Sep 20257511 AMAQI
27th Sep 20256912 PMAQI
27th Sep 2025851 PMAQI
27th Sep 2025852 PMAQI
27th Sep 2025913 PMAQI
27th Sep 2025904 PMAQI
27th Sep 2025925 PMAQI
27th Sep 2025976 PMAQI
27th Sep 2025987 PMAQI
27th Sep 2025988 PMAQI
27th Sep 2025899 PMAQI
27th Sep 20258710 PMAQI
27th Sep 20258311 PMAQI
28th Sep 20257512 AMAQI
28th Sep 2025741 AMAQI
28th Sep 2025822 AMAQI
28th Sep 2025803 AMAQI
28th Sep 2025824 AMAQI
28°C25/30°C
28th Sep 2025735 AMAQI
28th Sep 2025806 AMAQI
28th Sep 2025857 AMAQI
28th Sep 2025858 AMAQI
28th Sep 2025759 AMAQI
28th Sep 20256310 AMAQI
28th Sep 20255411 AMAQI
28th Sep 20257812 PMAQI
28th Sep 2025831 PMAQI
28th Sep 2025812 PMAQI
28th Sep 2025823 PMAQI
28th Sep 2025744 PMAQI
28th Sep 2025805 PMAQI
28th Sep 2025796 PMAQI
28th Sep 2025827 PMAQI
28th Sep 2025758 PMAQI
28th Sep 2025749 PMAQI
28th Sep 20256910 PMAQI
28th Sep 20256511 PMAQI
29th Sep 20257512 AMAQI
29th Sep 2025721 AMAQI
29th Sep 2025702 AMAQI
29th Sep 2025653 AMAQI
29th Sep 2025694 AMAQI
28°C25/30°C
29th Sep 2025745 AMAQI
29th Sep 2025736 AMAQI
29th Sep 2025707 AMAQI
29th Sep 2025648 AMAQI
29th Sep 2025599 AMAQI
29th Sep 20255810 AMAQI
29th Sep 20255611 AMAQI
29th Sep 20255212 PMAQI
29th Sep 2025521 PMAQI
29th Sep 2025522 PMAQI
29th Sep 2025413 PMAQI
29th Sep 2025324 PMAQI
29th Sep 2025325 PMAQI
29th Sep 2025436 PMAQI
29th Sep 2025447 PMAQI
29th Sep 2025498 PMAQI
29th Sep 2025469 PMAQI
29th Sep 20254510 PMAQI
29th Sep 20253811 PMAQI
30th Sep 20253312 AMAQI
30th Sep 2025411 AMAQI
30th Sep 2025562 AMAQI
30th Sep 2025583 AMAQI
30th Sep 2025624 AMAQI
28°C25/30°C
30th Sep 2025565 AMAQI
30th Sep 2025526 AMAQI
30th Sep 2025427 AMAQI
30th Sep 2025528 AMAQI
30th Sep 2025549 AMAQI
30th Sep 20256310 AMAQI
30th Sep 20255711 AMAQI
30th Sep 20255212 PMAQI
30th Sep 2025541 PMAQI
30th Sep 2025532 PMAQI
30th Sep 2025543 PMAQI
30th Sep 2025464 PMAQI
30th Sep 2025405 PMAQI
30th Sep 2025396 PMAQI
30th Sep 2025357 PMAQI
30th Sep 2025388 PMAQI
30th Sep 2025429 PMAQI
30th Sep 20254110 PMAQI
30th Sep 20253411 PMAQI
1st Oct 20254012 AMAQI
1st Oct 2025441 AMAQI
1st Oct 2025432 AMAQI
1st Oct 2025363 AMAQI
1st Oct 2025434 AMAQI
28°C25/30°C
1st Oct 2025415 AMAQI
1st Oct 2025526 AMAQI
1st Oct 2025477 AMAQI
1st Oct 2025398 AMAQI
1st Oct 2025579 AMAQI
1st Oct 20256610 AMAQI
1st Oct 20256511 AMAQI
1st Oct 20257512 PMAQI
1st Oct 2025761 PMAQI
1st Oct 2025772 PMAQI
1st Oct 2025723 PMAQI
1st Oct 2025674 PMAQI
1st Oct 2025655 PMAQI
1st Oct 2025666 PMAQI
1st Oct 2025637 PMAQI
1st Oct 2025618 PMAQI
1st Oct 2025619 PMAQI
1st Oct 20256010 PMAQI
1st Oct 20256211 PMAQI
2nd Oct 20256112 AMAQI
2nd Oct 2025641 AMAQI
2nd Oct 2025642 AMAQI
2nd Oct 2025643 AMAQI
2nd Oct 2025644 AMAQI
27°C25/29°C
2nd Oct 2025525 AMAQI
2nd Oct 2025596 AMAQI
2nd Oct 2025627 AMAQI
2nd Oct 2025628 AMAQI
2nd Oct 2025609 AMAQI
2nd Oct 20256410 AMAQI
2nd Oct 20256511 AMAQI
2nd Oct 20256512 PMAQI
2nd Oct 2025611 PMAQI
2nd Oct 2025662 PMAQI
2nd Oct 2025763 PMAQI
2nd Oct 2025724 PMAQI
2nd Oct 2025695 PMAQI
2nd Oct 2025676 PMAQI
2nd Oct 2025647 PMAQI
2nd Oct 2025538 PMAQI
2nd Oct 2025579 PMAQI
2nd Oct 20255710 PMAQI
2nd Oct 20256611 PMAQI
3rd Oct 20255812 AMAQI
3rd Oct 2025571 AMAQI
3rd Oct 2025662 AMAQI
3rd Oct 2025623 AMAQI
3rd Oct 2025704 AMAQI
27°C25/30°C
3rd Oct 2025655 AMAQI
3rd Oct 2025616 AMAQI
3rd Oct 2025657 AMAQI
3rd Oct 2025648 AMAQI
3rd Oct 2025639 AMAQI
3rd Oct 20256510 AMAQI
3rd Oct 20257411 AMAQI
3rd Oct 20257212 PMAQI
3rd Oct 2025761 PMAQI
3rd Oct 2025812 PMAQI
3rd Oct 2025753 PMAQI
3rd Oct 2025694 PMAQI
3rd Oct 2025775 PMAQI
3rd Oct 2025706 PMAQI
3rd Oct 2025657 PMAQI
3rd Oct 2025698 PMAQI
3rd Oct 2025699 PMAQI
3rd Oct 20256810 PMAQI
3rd Oct 20257111 PMAQI
4th Oct 20257612 AMAQI
4th Oct 2025731 AMAQI
4th Oct 2025732 AMAQI
4th Oct 2025783 AMAQI
4th Oct 2025844 AMAQI
27°C25/30°C
4th Oct 2025805 AMAQI
4th Oct 2025736 AMAQI
4th Oct 2025767 AMAQI
4th Oct 2025798 AMAQI
4th Oct 2025819 AMAQI
4th Oct 20257710 AMAQI
4th Oct 20257511 AMAQI
4th Oct 20257612 PMAQI
4th Oct 2025811 PMAQI
4th Oct 2025872 PMAQI
4th Oct 2025923 PMAQI
4th Oct 2025844 PMAQI
4th Oct 2025825 PMAQI
4th Oct 2025806 PMAQI
4th Oct 2025737 PMAQI
4th Oct 2025708 PMAQI
4th Oct 2025739 PMAQI
4th Oct 20257610 PMAQI
4th Oct 20258111 PMAQI
5th Oct 20258012 AMAQI
5th Oct 2025781 AMAQI
5th Oct 2025722 AMAQI
5th Oct 2025723 AMAQI
5th Oct 2025714 AMAQI
28°C26/31°C
5th Oct 2025645 AMAQI
5th Oct 2025636 AMAQI
5th Oct 2025637 AMAQI
5th Oct 2025638 AMAQI
5th Oct 2025639 AMAQI
5th Oct 20256810 AMAQI
5th Oct 20254511 AMAQI
5th Oct 20257212 PMAQI
5th Oct 2025681 PMAQI
5th Oct 2025702 PMAQI
5th Oct 2025683 PMAQI
5th Oct 2025594 PMAQI
5th Oct 2025815 PMAQI
5th Oct 2025596 PMAQI
5th Oct 2025607 PMAQI
5th Oct 2025838 PMAQI
5th Oct 2025819 PMAQI
5th Oct 20257610 PMAQI
5th Oct 20259711 PMAQI
6th Oct 202510012 AMAQI
6th Oct 2025871 AMAQI
6th Oct 2025772 AMAQI
6th Oct 2025723 AMAQI
6th Oct 2025634 AMAQI
28°C26/30°C
6th Oct 2025575 AMAQI
6th Oct 2025656 AMAQI
6th Oct 2025657 AMAQI
6th Oct 2025558 AMAQI
6th Oct 2025589 AMAQI
6th Oct 20255810 AMAQI
6th Oct 20256411 AMAQI
6th Oct 20257512 PMAQI
6th Oct 2025681 PMAQI
6th Oct 2025632 PMAQI
6th Oct 2025683 PMAQI
6th Oct 2025644 PMAQI
6th Oct 2025635 PMAQI
6th Oct 2025616 PMAQI
6th Oct 2025667 PMAQI
6th Oct 2025718 PMAQI
6th Oct 2025679 PMAQI
6th Oct 20257210 PMAQI
6th Oct 20257611 PMAQI
7th Oct 20257712 AMAQI
7th Oct 2025761 AMAQI
28°C25/30°C
7th Oct 2025637 PMAQI
7th Oct 2025678 PMAQI
7th Oct 2025739 PMAQI
7th Oct 20256610 PMAQI
7th Oct 20257711 PMAQI
8th Oct 20258112 AMAQI
8th Oct 2025821 AMAQI
8th Oct 2025742 AMAQI
8th Oct 2025713 AMAQI
8th Oct 2025754 AMAQI
28°C25/31°C
8th Oct 2025785 AMAQI
8th Oct 2025836 AMAQI
8th Oct 2025787 AMAQI
8th Oct 2025818 AMAQI
8th Oct 2025819 AMAQI
8th Oct 20257510 AMAQI
8th Oct 20257611 AMAQI
8th Oct 20257112 PMAQI
8th Oct 2025701 PMAQI
8th Oct 2025712 PMAQI
8th Oct 2025863 PMAQI
8th Oct 2025894 PMAQI
8th Oct 2025925 PMAQI
8th Oct 2025996 PMAQI
8th Oct 20251097 PMAQI
8th Oct 20251088 PMAQI
8th Oct 20251129 PMAQI
8th Oct 20259610 PMAQI
8th Oct 20258411 PMAQI
9th Oct 202510512 AMAQI
9th Oct 20251031 AMAQI
9th Oct 20251042 AMAQI
9th Oct 20251133 AMAQI
9th Oct 2025964 AMAQI
29°C27/32°C
9th Oct 20251305 AMAQI
9th Oct 2025896 AMAQI
9th Oct 2025957 AMAQI
9th Oct 2025828 AMAQI
9th Oct 2025769 AMAQI
9th Oct 20256810 AMAQI
9th Oct 20257211 AMAQI
9th Oct 20256712 PMAQI
9th Oct 2025871 PMAQI
9th Oct 2025912 PMAQI
9th Oct 20251033 PMAQI
9th Oct 20251024 PMAQI
9th Oct 2025585 PMAQI
9th Oct 2025576 PMAQI
9th Oct 2025567 PMAQI
9th Oct 2025558 PMAQI
9th Oct 2025589 PMAQI
9th Oct 20256010 PMAQI
9th Oct 20255911 PMAQI
10th Oct 20255812 AMAQI
10th Oct 2025591 AMAQI
10th Oct 2025572 AMAQI
10th Oct 2025653 AMAQI
10th Oct 2025594 AMAQI
28°C25/30°C
10th Oct 2025475 AMAQI
10th Oct 2025556 AMAQI
10th Oct 2025577 AMAQI
10th Oct 2025658 AMAQI
10th Oct 2025649 AMAQI
10th Oct 20256310 AMAQI
10th Oct 20256311 AMAQI
10th Oct 20257312 PMAQI
10th Oct 2025831 PMAQI
10th Oct 2025762 PMAQI
10th Oct 2025863 PMAQI
10th Oct 20251014 PMAQI
10th Oct 2025875 PMAQI
10th Oct 2025866 PMAQI
10th Oct 2025887 PMAQI
10th Oct 2025928 PMAQI
10th Oct 2025759 PMAQI
10th Oct 20256010 PMAQI
10th Oct 20256511 PMAQI
11th Oct 20256812 AMAQI
11th Oct 2025681 AMAQI
11th Oct 2025762 AMAQI
11th Oct 2025743 AMAQI
11th Oct 2025754 AMAQI
28°C26/30°C
11th Oct 2025765 AMAQI
11th Oct 2025806 AMAQI
11th Oct 2025877 AMAQI
11th Oct 2025838 AMAQI
11th Oct 2025869 AMAQI
11th Oct 20258810 AMAQI
11th Oct 20257611 AMAQI
11th Oct 20257812 PMAQI
11th Oct 2025801 PMAQI
11th Oct 2025892 PMAQI
11th Oct 2025863 PMAQI
11th Oct 2025844 PMAQI
11th Oct 2025825 PMAQI
11th Oct 2025776 PMAQI
11th Oct 2025737 PMAQI
11th Oct 2025938 PMAQI
11th Oct 2025949 PMAQI
11th Oct 20259810 PMAQI
11th Oct 20258211 PMAQI
12th Oct 20258612 AMAQI
12th Oct 2025781 AMAQI
12th Oct 2025762 AMAQI
12th Oct 2025653 AMAQI
12th Oct 2025634 AMAQI
28°C25/30°C
12th Oct 2025615 AMAQI
12th Oct 2025646 AMAQI
12th Oct 2025657 AMAQI
12th Oct 2025668 AMAQI
12th Oct 2025749 AMAQI
12th Oct 20257710 AMAQI
12th Oct 20258011 AMAQI
12th Oct 20258112 PMAQI
12th Oct 2025761 PMAQI
12th Oct 2025902 PMAQI
12th Oct 2025833 PMAQI
12th Oct 2025804 PMAQI
12th Oct 2025805 PMAQI
12th Oct 2025796 PMAQI
12th Oct 2025817 PMAQI
12th Oct 2025748 PMAQI
12th Oct 2025689 PMAQI
12th Oct 20257310 PMAQI
12th Oct 20257811 PMAQI
13th Oct 20257012 AMAQI
13th Oct 2025721 AMAQI
13th Oct 2025732 AMAQI
13th Oct 2025673 AMAQI
13th Oct 2025704 AMAQI
27°C25/30°C
13th Oct 2025695 AMAQI
13th Oct 2025716 AMAQI
13th Oct 2025657 AMAQI
13th Oct 2025648 AMAQI
13th Oct 2025649 AMAQI
13th Oct 20256310 AMAQI
13th Oct 20257111 AMAQI
13th Oct 20255112 PMAQI
13th Oct 2025521 PMAQI
13th Oct 2025452 PMAQI
13th Oct 2025583 PMAQI
13th Oct 2025614 PMAQI
13th Oct 2025575 PMAQI
13th Oct 2025596 PMAQI
13th Oct 2025637 PMAQI
13th Oct 2025648 PMAQI
13th Oct 2025609 PMAQI
13th Oct 20256010 PMAQI
13th Oct 20256811 PMAQI
14th Oct 20256412 AMAQI
14th Oct 2025711 AMAQI
14th Oct 2025712 AMAQI
14th Oct 2025673 AMAQI
14th Oct 2025664 AMAQI
28°C25/30°C
14th Oct 2025675 AMAQI
14th Oct 2025706 AMAQI
14th Oct 2025747 AMAQI
14th Oct 2025768 AMAQI
14th Oct 2025749 AMAQI
14th Oct 20257110 AMAQI
14th Oct 20257511 AMAQI
14th Oct 20257512 PMAQI
14th Oct 2025681 PMAQI
14th Oct 2025702 PMAQI
14th Oct 2025803 PMAQI
14th Oct 2025774 PMAQI
14th Oct 2025725 PMAQI
14th Oct 2025726 PMAQI
14th Oct 2025717 PMAQI
14th Oct 2025668 PMAQI
14th Oct 2025639 PMAQI
14th Oct 20256810 PMAQI
14th Oct 20257011 PMAQI
15th Oct 20257412 AMAQI
15th Oct 2025771 AMAQI
15th Oct 2025822 AMAQI
15th Oct 2025833 AMAQI
15th Oct 2025724 AMAQI
28°C26/30°C
15th Oct 2025725 AMAQI
15th Oct 2025696 AMAQI
15th Oct 2025837 AMAQI
15th Oct 2025918 AMAQI
15th Oct 2025909 AMAQI
15th Oct 20259810 AMAQI
15th Oct 20259111 AMAQI
15th Oct 20258812 PMAQI
15th Oct 2025821 PMAQI
15th Oct 2025932 PMAQI
15th Oct 20251103 PMAQI
15th Oct 20251024 PMAQI
15th Oct 2025925 PMAQI
15th Oct 2025926 PMAQI
15th Oct 20251047 PMAQI
15th Oct 2025868 PMAQI
15th Oct 2025749 PMAQI
15th Oct 20257810 PMAQI
15th Oct 20257011 PMAQI
16th Oct 20257812 AMAQI
16th Oct 2025841 AMAQI
16th Oct 2025882 AMAQI
16th Oct 2025933 AMAQI
16th Oct 2025774 AMAQI
28°C25/30°C
16th Oct 2025835 AMAQI
16th Oct 2025736 AMAQI
16th Oct 2025897 AMAQI
16th Oct 2025778 AMAQI
16th Oct 2025759 AMAQI
16th Oct 20257610 AMAQI
16th Oct 20258511 AMAQI
16th Oct 20258112 PMAQI
16th Oct 2025861 PMAQI
16th Oct 20251012 PMAQI
16th Oct 2025963 PMAQI
16th Oct 20251004 PMAQI
16th Oct 2025775 PMAQI
16th Oct 2025696 PMAQI
16th Oct 2025707 PMAQI
16th Oct 2025618 PMAQI
16th Oct 2025729 PMAQI
16th Oct 20256910 PMAQI
16th Oct 20256911 PMAQI
17th Oct 20257212 AMAQI
17th Oct 2025711 AMAQI
17th Oct 2025752 AMAQI
17th Oct 2025703 AMAQI
17th Oct 2025724 AMAQI
28°C25/31°C
17th Oct 2025875 AMAQI
17th Oct 2025876 AMAQI
17th Oct 2025877 AMAQI
17th Oct 2025848 AMAQI
17th Oct 2025809 AMAQI
17th Oct 20258310 AMAQI
17th Oct 20256511 AMAQI
17th Oct 20257912 PMAQI
17th Oct 2025841 PMAQI
17th Oct 20251082 PMAQI
17th Oct 2025953 PMAQI
17th Oct 20251014 PMAQI
17th Oct 20251055 PMAQI
17th Oct 20251006 PMAQI
17th Oct 2025887 PMAQI
17th Oct 20251048 PMAQI
17th Oct 20251089 PMAQI
17th Oct 20259710 PMAQI
17th Oct 202510811 PMAQI
18th Oct 202510612 AMAQI
18th Oct 20251121 AMAQI
18th Oct 20251112 AMAQI
18th Oct 20251063 AMAQI
18th Oct 20251084 AMAQI
28°C26/30°C
18th Oct 20251135 AMAQI
18th Oct 20251136 AMAQI
18th Oct 20251097 AMAQI
18th Oct 20251018 AMAQI
18th Oct 2025869 AMAQI
18th Oct 20258210 AMAQI
18th Oct 20259211 AMAQI
18th Oct 20258312 PMAQI
18th Oct 20251041 PMAQI
18th Oct 20251062 PMAQI
18th Oct 20251393 PMAQI
18th Oct 2025804 PMAQI
18th Oct 2025655 PMAQI
18th Oct 2025656 PMAQI
18th Oct 2025547 PMAQI
18th Oct 2025768 PMAQI
18th Oct 2025909 PMAQI
18th Oct 20259410 PMAQI
18th Oct 20259911 PMAQI
19th Oct 20258412 AMAQI
19th Oct 2025981 AMAQI
19th Oct 2025982 AMAQI
19th Oct 2025923 AMAQI
19th Oct 2025804 AMAQI
29°C26/31°C
19th Oct 2025745 AMAQI
19th Oct 2025826 AMAQI
19th Oct 2025677 AMAQI
19th Oct 2025708 AMAQI
19th Oct 2025769 AMAQI
19th Oct 20257210 AMAQI
19th Oct 20258311 AMAQI
19th Oct 202510312 PMAQI
19th Oct 2025901 PMAQI
19th Oct 20251122 PMAQI
19th Oct 20251193 PMAQI
19th Oct 20251084 PMAQI
19th Oct 20251115 PMAQI
19th Oct 2025996 PMAQI
19th Oct 2025817 PMAQI
19th Oct 2025768 PMAQI
19th Oct 2025829 PMAQI
19th Oct 20256910 PMAQI
19th Oct 20255011 PMAQI
20th Oct 20256412 AMAQI
20th Oct 2025721 AMAQI
20th Oct 2025722 AMAQI
20th Oct 2025743 AMAQI
20th Oct 2025744 AMAQI
27°C25/31°C
20th Oct 2025735 AMAQI
20th Oct 2025746 AMAQI
20th Oct 2025757 AMAQI
20th Oct 2025758 AMAQI
20th Oct 2025749 AMAQI
20th Oct 20257610 AMAQI
20th Oct 20252711 AMAQI
20th Oct 20252312 PMAQI
20th Oct 2025281 PMAQI
20th Oct 2025282 PMAQI
20th Oct 2025303 PMAQI
20th Oct 2025324 PMAQI
20th Oct 2025385 PMAQI
20th Oct 2025316 PMAQI
20th Oct 2025267 PMAQI
20th Oct 2025308 PMAQI
20th Oct 2025329 PMAQI
20th Oct 20253110 PMAQI
20th Oct 20253211 PMAQI
21st Oct 20252912 AMAQI
21st Oct 2025281 AMAQI
21st Oct 2025342 AMAQI
21st Oct 2025383 AMAQI
21st Oct 2025424 AMAQI
24°C23/24°C
21st Oct 2025485 AMAQI
21st Oct 2025536 AMAQI
21st Oct 2025427 AMAQI
21st Oct 2025548 AMAQI
21st Oct 2025499 AMAQI
21st Oct 20253210 AMAQI
21st Oct 20255011 AMAQI
21st Oct 20256112 PMAQI
21st Oct 2025691 PMAQI
21st Oct 2025612 PMAQI
21st Oct 2025623 PMAQI
21st Oct 2025704 PMAQI
21st Oct 2025205 PMAQI
21st Oct 2025276 PMAQI
21st Oct 2025287 PMAQI
21st Oct 2025278 PMAQI
21st Oct 2025219 PMAQI
21st Oct 20252110 PMAQI
21st Oct 20252711 PMAQI
22nd Oct 20252212 AMAQI
22nd Oct 2025221 AMAQI
22nd Oct 2025222 AMAQI
22nd Oct 2025233 AMAQI
22nd Oct 2025184 AMAQI
23°C22/23°C
22nd Oct 2025165 AMAQI
22nd Oct 2025156 AMAQI
22nd Oct 2025207 AMAQI
22nd Oct 2025168 AMAQI
22nd Oct 2025179 AMAQI
22nd Oct 20251810 AMAQI
22nd Oct 20252011 AMAQI
22nd Oct 20252712 PMAQI
22nd Oct 2025231 PMAQI
22nd Oct 2025242 PMAQI
22nd Oct 2025263 PMAQI
22nd Oct 2025204 PMAQI
22nd Oct 2025205 PMAQI
22nd Oct 2025206 PMAQI
22nd Oct 2025287 PMAQI
22nd Oct 2025218 PMAQI
22nd Oct 2025239 PMAQI
22nd Oct 20252310 PMAQI
22nd Oct 20252811 PMAQI
23rd Oct 20252812 AMAQI
23rd Oct 2025261 AMAQI
23rd Oct 2025322 AMAQI
23rd Oct 2025283 AMAQI
23rd Oct 2025284 AMAQI
23°C22/23°C
23rd Oct 2025215 AMAQI
5 AM23rd Oct 2025296 AMAQI
23rd Oct 2025357 AMAQI
23rd Oct 2025558 AMAQI
11 AM
5 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
3 PM
78AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
11 AM
64AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 PM to 3 PM (Avg. 78), while the lowest AQI was between 11 AM to 11 AM (Avg. 64).
Night time
Avg. Highest Time
6 PM - 11 PM
69AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
4 AM
65AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 PM to 11 PM (Avg. 69), while the lowest AQI was between 4 AM to 4 AM (Avg. 65).
2025 Days Vs Air Quality
Centraltaichung Cityhouli, Taichung, Taichung, Taiwan
2025
46%
135
54%
160
Total number of days with different AQI categories in last 296 days in 2025 (69 days remaining)
Good
135 DaysModerate
160 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 46%
Health Risk Level:
Significant
In 2025, 46% of 296 days were within WHO’s safe air quality limits, and 54% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Centraltaichung Cityhouli, Taichung, Taichung, 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
85AQI
85AQI
2nd January 2025
56AQI
56AQI
3rd January 2025
60AQI
60AQI
4th January 2025
59AQI
59AQI
5th January 2025
68AQI
68AQI
6th January 2025
73AQI
73AQI
7th January 2025
68AQI
68AQI
8th January 2025
69AQI
69AQI
9th January 2025
66AQI
66AQI
10th January 2025
56AQI
56AQI
11th January 2025
48AQI
48AQI
12th January 2025
54AQI
54AQI
13th January 2025
57AQI
57AQI
14th January 2025
74AQI
74AQI
15th January 2025
73AQI
73AQI
16th January 2025
62AQI
62AQI
17th January 2025
54AQI
54AQI
18th January 2025
68AQI
68AQI
19th January 2025
56AQI
56AQI
20th January 2025
63AQI
63AQI
21st January 2025
70AQI
70AQI
22nd January 2025
90AQI
90AQI
23rd January 2025
64AQI
64AQI
24th January 2025
68AQI
68AQI
25th January 2025
61AQI
61AQI
26th January 2025
59AQI
59AQI
27th January 2025
50AQI
50AQI
28th January 2025
55AQI
55AQI
29th January 2025
55AQI
55AQI
30th January 2025
61AQI
61AQI
31st January 2025
67AQI
67AQI
1st February 2025
45AQI
45AQI
2nd February 2025
41AQI
41AQI
3rd February 2025
42AQI
42AQI
4th February 2025
68AQI
68AQI
5th February 2025
62AQI
62AQI
6th February 2025
78AQI
78AQI
7th February 2025
50AQI
50AQI
8th February 2025
59AQI
59AQI
9th February 2025
39AQI
39AQI
10th February 2025
57AQI
57AQI
11th February 2025
62AQI
62AQI
12th February 2025
64AQI
64AQI
13th February 2025
47AQI
47AQI
14th February 2025
59AQI
59AQI
15th February 2025
54AQI
54AQI
16th February 2025
67AQI
67AQI
17th February 2025
77AQI
77AQI
18th February 2025
64AQI
64AQI
19th February 2025
65AQI
65AQI
20th February 2025
69AQI
69AQI
21st February 2025
47AQI
47AQI
22nd February 2025
55AQI
55AQI
23rd February 2025
37AQI
37AQI
24th February 2025
55AQI
55AQI
25th February 2025
74AQI
74AQI
26th February 2025
66AQI
66AQI
27th February 2025
81AQI
81AQI
28th February 2025
66AQI
66AQI
1st March 2025
63AQI
63AQI
2nd March 2025
64AQI
64AQI
3rd March 2025
62AQI
62AQI
4th March 2025
49AQI
49AQI
5th March 2025
47AQI
47AQI
6th March 2025
41AQI
41AQI
7th March 2025
49AQI
49AQI
8th March 2025
49AQI
49AQI
9th March 2025
54AQI
54AQI
10th March 2025
67AQI
67AQI
11th March 2025
75AQI
75AQI
12th March 2025
58AQI
58AQI
13th March 2025
61AQI
61AQI
14th March 2025
63AQI
63AQI
15th March 2025
57AQI
57AQI
16th March 2025
51AQI
51AQI
17th March 2025
65AQI
65AQI
18th March 2025
57AQI
57AQI
19th March 2025
64AQI
64AQI
20th March 2025
63AQI
63AQI
21st March 2025
60AQI
60AQI
22nd March 2025
67AQI
67AQI
23rd March 2025
72AQI
72AQI
24th March 2025
70AQI
70AQI
25th March 2025
69AQI
69AQI
26th March 2025
69AQI
69AQI
27th March 2025
62AQI
62AQI
28th March 2025
64AQI
64AQI
29th March 2025
45AQI
45AQI
30th March 2025
38AQI
38AQI
31st March 2025
37AQI
37AQI
1st April 2025
37AQI
37AQI
2nd April 2025
49AQI
49AQI
3rd April 2025
59AQI
59AQI
4th April 2025
72AQI
72AQI
5th April 2025
67AQI
67AQI
6th April 2025
56AQI
56AQI
7th April 2025
69AQI
69AQI
8th April 2025
76AQI
76AQI
9th April 2025
69AQI
69AQI
10th April 2025
67AQI
67AQI
11th April 2025
70AQI
70AQI
12th April 2025
56AQI
56AQI
13th April 2025
80AQI
80AQI
14th April 2025
70AQI
70AQI
15th April 2025
87AQI
87AQI
16th April 2025
85AQI
85AQI
17th April 2025
76AQI
76AQI
18th April 2025
69AQI
69AQI
19th April 2025
66AQI
66AQI
20th April 2025
62AQI
62AQI
21st April 2025
67AQI
67AQI
22nd April 2025
60AQI
60AQI
23rd April 2025
59AQI
59AQI
24th April 2025
66AQI
66AQI
25th April 2025
50AQI
50AQI
26th April 2025
66AQI
66AQI
27th April 2025
61AQI
61AQI
28th April 2025
59AQI
59AQI
29th April 2025
67AQI
67AQI
30th April 2025
69AQI
69AQI
1st May 2025
67AQI
67AQI
2nd May 2025
70AQI
70AQI
3rd May 2025
68AQI
68AQI
4th May 2025
68AQI
68AQI
5th May 2025
66AQI
66AQI
6th May 2025
64AQI
64AQI
7th May 2025
52AQI
52AQI
8th May 2025
59AQI
59AQI
9th May 2025
46AQI
46AQI
10th May 2025
43AQI
43AQI
11th May 2025
42AQI
42AQI
12th May 2025
52AQI
52AQI
13th May 2025
58AQI
58AQI
14th May 2025
56AQI
56AQI
15th May 2025
56AQI
56AQI
16th May 2025
53AQI
53AQI
17th May 2025
51AQI
51AQI
18th May 2025
42AQI
42AQI
19th May 2025
45AQI
45AQI
20th May 2025
48AQI
48AQI
21st May 2025
46AQI
46AQI
22nd May 2025
50AQI
50AQI
23rd May 2025
46AQI
46AQI
24th May 2025
42AQI
42AQI
25th May 2025
52AQI
52AQI
26th May 2025
50AQI
50AQI
27th May 2025
51AQI
51AQI
28th May 2025
56AQI
56AQI
29th May 2025
36AQI
36AQI
30th May 2025
47AQI
47AQI
31st May 2025
58AQI
58AQI
1st June 2025
56AQI
56AQI
2nd June 2025
41AQI
41AQI
3rd June 2025
41AQI
41AQI
4th June 2025
46AQI
46AQI
5th June 2025
43AQI
43AQI
6th June 2025
46AQI
46AQI
7th June 2025
43AQI
43AQI
8th June 2025
37AQI
37AQI
9th June 2025
34AQI
34AQI
10th June 2025
42AQI
42AQI
11th June 2025
50AQI
50AQI
12th June 2025
53AQI
53AQI
13th June 2025
31AQI
31AQI
14th June 2025
38AQI
38AQI
15th June 2025
38AQI
38AQI
16th June 2025
35AQI
35AQI
17th June 2025
35AQI
35AQI
18th June 2025
38AQI
38AQI
19th June 2025
38AQI
38AQI
20th June 2025
37AQI
37AQI
21st June 2025
32AQI
32AQI
22nd June 2025
26AQI
26AQI
23rd June 2025
28AQI
28AQI
24th June 2025
32AQI
32AQI
25th June 2025
35AQI
35AQI
26th June 2025
35AQI
35AQI
27th June 2025
31AQI
31AQI
28th June 2025
36AQI
36AQI
29th June 2025
36AQI
36AQI
30th June 2025
31AQI
31AQI
1st July 2025
43AQI
43AQI
2nd July 2025
45AQI
45AQI
3rd July 2025
43AQI
43AQI
4th July 2025
46AQI
46AQI
5th July 2025
45AQI
45AQI
6th July 2025
42AQI
42AQI
7th July 2025
34AQI
34AQI
8th July 2025
43AQI
43AQI
9th July 2025
38AQI
38AQI
10th July 2025
39AQI
39AQI
11th July 2025
37AQI
37AQI
12th July 2025
43AQI
43AQI
13th July 2025
47AQI
47AQI
14th July 2025
49AQI
49AQI
15th July 2025
44AQI
44AQI
16th July 2025
45AQI
45AQI
17th July 2025
49AQI
49AQI
18th July 2025
50AQI
50AQI
19th July 2025
49AQI
49AQI
20th July 2025
44AQI
44AQI
21st July 2025
37AQI
37AQI
22nd July 2025
41AQI
41AQI
23rd July 2025
50AQI
50AQI
24th July 2025
44AQI
44AQI
25th July 2025
37AQI
37AQI
26th July 2025
35AQI
35AQI
27th July 2025
41AQI
41AQI
28th July 2025
31AQI
31AQI
29th July 2025
34AQI
34AQI
30th July 2025
32AQI
32AQI
31st July 2025
34AQI
34AQI
1st August 2025
44AQI
44AQI
2nd August 2025
41AQI
41AQI
3rd August 2025
41AQI
41AQI
4th August 2025
46AQI
46AQI
5th August 2025
48AQI
48AQI
6th August 2025
49AQI
49AQI
7th August 2025
52AQI
52AQI
8th August 2025
55AQI
55AQI
9th August 2025
51AQI
51AQI
10th August 2025
43AQI
43AQI
11th August 2025
41AQI
41AQI
12th August 2025
51AQI
51AQI
13th August 2025
43AQI
43AQI
14th August 2025
41AQI
41AQI
15th August 2025
40AQI
40AQI
16th August 2025
43AQI
43AQI
17th August 2025
43AQI
43AQI
18th August 2025
44AQI
44AQI
19th August 2025
44AQI
44AQI
20th August 2025
40AQI
40AQI
21st August 2025
43AQI
43AQI
22nd August 2025
48AQI
48AQI
23rd August 2025
49AQI
49AQI
24th August 2025
49AQI
49AQI
25th August 2025
50AQI
50AQI
26th August 2025
45AQI
45AQI
27th August 2025
43AQI
43AQI
28th August 2025
46AQI
46AQI
29th August 2025
46AQI
46AQI
30th August 2025
44AQI
44AQI
31st August 2025
47AQI
47AQI
1st September 2025
53AQI
53AQI
2nd September 2025
52AQI
52AQI
3rd September 2025
55AQI
55AQI
4th September 2025
59AQI
59AQI
5th September 2025
57AQI
57AQI
6th September 2025
57AQI
57AQI
7th September 2025
50AQI
50AQI
8th September 2025
43AQI
43AQI
9th September 2025
43AQI
43AQI
10th September 2025
43AQI
43AQI
11th September 2025
44AQI
44AQI
12th September 2025
46AQI
46AQI
13th September 2025
45AQI
45AQI
14th September 2025
49AQI
49AQI
15th September 2025
53AQI
53AQI
16th September 2025
57AQI
57AQI
17th September 2025
58AQI
58AQI
18th September 2025
66AQI
66AQI
19th September 2025
61AQI
61AQI
20th September 2025
51AQI
51AQI
21st September 2025
54AQI
54AQI
22nd September 2025
45AQI
45AQI
23rd September 2025
50AQI
50AQI
24th September 2025
48AQI
48AQI
25th September 2025
67AQI
67AQI
26th September 2025
91AQI
91AQI
27th September 2025
77AQI
77AQI
28th September 2025
76AQI
76AQI
29th September 2025
55AQI
55AQI
30th September 2025
47AQI
47AQI
1st October 2025
54AQI
54AQI
2nd October 2025
63AQI
63AQI
3rd October 2025
68AQI
68AQI
4th October 2025
78AQI
78AQI
5th October 2025
69AQI
69AQI
6th October 2025
70AQI
70AQI
7th October 2025
72AQI
72AQI
8th October 2025
85AQI
85AQI
9th October 2025
81AQI
81AQI
10th October 2025
70AQI
70AQI
11th October 2025
81AQI
81AQI
12th October 2025
75AQI
75AQI
13th October 2025
64AQI
64AQI
14th October 2025
70AQI
70AQI
15th October 2025
84AQI
84AQI
16th October 2025
79AQI
79AQI
17th October 2025
89AQI
89AQI
18th October 2025
95AQI
95AQI
19th October 2025
86AQI
86AQI
20th October 2025
48AQI
48AQI
21st October 2025
37AQI
37AQI
22nd October 2025
21AQI
21AQI
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
59AQI
58AQI
66AQI
53AQI
38AQI
42AQI
45AQI
55AQI
70AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202554AQI
2
29
8
20
8
23
3
27
13
18
28
2
31
27
4
12
18
3
19
135
160
Highest AQI recorded in
October70AQI
Lowest AQI recorded in
June38AQI
202452AQI
3
28
9
20
3
27
1
8
22
11
20
29
31
26
5
14
14
19
12
22
8
10
21
185
177
1
Highest AQI recorded in
January73AQI
Lowest AQI recorded in
July31AQI
202362AQI
8
23
1
27
28
3
28
2
6
22
2
17
12
22
8
22
8
8
22
8
21
2
3
26
10
21
105
246
9
Highest AQI recorded in
April80AQI
Lowest AQI recorded in
July42AQI
202254AQI
7
23
9
12
6
22
3
8
22
17
14
30
21
2
1
8
20
17
14
9
21
23
8
155
159
3
Highest AQI recorded in
March74AQI
Lowest AQI recorded in
June34AQI
202159AQI
3
23
1
4
18
3
29
2
4
26
15
9
29
1
24
7
25
6
12
18
9
21
1
7
23
4
26
1
136
207
8
Highest AQI recorded in
March77AQI
Lowest AQI recorded in
June33AQI
202048AQI
3
12
16
2
28
2
28
3
21
10
10
20
11
20
10
20
15
15
142
104
Highest AQI recorded in
April64AQI
Lowest AQI recorded in
June31AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
62AQILeast Polluted Year Recorded
2020(Avg.)
48AQICentraltaichung Cityhouli's annual 2025 AQI (54) shows an average percentage change of -0.3% (improved AQI) compared to previous years: 2020 (48), 2021 (59), 2022 (54), 2023 (62), 2024 (52).
