Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Erlin, Huatan, Changhua, 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

Erlin, Huatan, Changhua, Taiwan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
10th Feb 2024
130AQI
Lowest AQI recorded on
1st Feb 2026
19AQI

Same Day Analysis (12th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 63 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: 12th Feb - 13th Feb 2026

Erlin, Huatan, Changhua, Taiwan

AQI
Day
Night
.

6 AM12th Feb 2026

5 PM

5 AM13th Feb 2026

Day time
Avg. Highest Time
9AM12th Feb

71AQI

Avg. Lowest Time
5PM12th Feb

56AQI

Night time
Avg. Highest Time
5AM13th Feb

82AQI

Avg. Lowest Time
8PM12th Feb

50AQI

In the last 24 hours,

Erlin's AQI reached its highest point of 82 at 5 AM during the Night, while the lowest point, 50, was recorded at 8 PM during the Night between 12th Feb and 13th Feb 2026.

Day & Night AQI Trend : Jan - Feb 2026

Erlin, Huatan, Changhua, Taiwan

JanFeb
15th - 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 - 11th11th - 12th12th - 13th13th
Day
Night
15th Jan 2026946 AMAQI
15th Jan 2026907 AMAQI
15th Jan 2026928 AMAQI
15th Jan 2026839 AMAQI
15th Jan 20269210 AMAQI
15th Jan 20268211 AMAQI
15th Jan 20267612 PMAQI
15th Jan 2026721 PMAQI
15th Jan 2026622 PMAQI
15th Jan 2026693 PMAQI
15th Jan 2026784 PMAQI
15th Jan 2026695 PMAQI
15th Jan 2026646 PMAQI
15th Jan 2026687 PMAQI
15th Jan 2026828 PMAQI
15th Jan 2026809 PMAQI
15th Jan 20267110 PMAQI
15th Jan 20266911 PMAQI
16th Jan 20268512 AMAQI
16th Jan 2026941 AMAQI
16th Jan 2026882 AMAQI
16th Jan 2026883 AMAQI
16th Jan 2026864 AMAQI
16th Jan 2026825 AMAQI

19°C17/23°C

16th Jan 2026796 AMAQI
16th Jan 2026787 AMAQI
16th Jan 2026668 AMAQI
16th Jan 2026599 AMAQI
16th Jan 20266410 AMAQI
16th Jan 20266611 AMAQI
16th Jan 20266612 PMAQI
16th Jan 2026621 PMAQI
16th Jan 2026722 PMAQI
16th Jan 2026823 PMAQI
16th Jan 2026764 PMAQI
16th Jan 2026815 PMAQI
16th Jan 2026766 PMAQI
16th Jan 2026787 PMAQI
16th Jan 2026828 PMAQI
16th Jan 2026909 PMAQI
16th Jan 20269410 PMAQI
16th Jan 20269211 PMAQI
17th Jan 202611412 AMAQI
17th Jan 20261151 AMAQI
17th Jan 20261122 AMAQI
17th Jan 20261043 AMAQI
17th Jan 2026964 AMAQI
17th Jan 2026945 AMAQI

20°C17/23°C

17th Jan 2026876 AMAQI
17th Jan 2026707 AMAQI
17th Jan 2026848 AMAQI
17th Jan 2026709 AMAQI
17th Jan 20267810 AMAQI
17th Jan 20266711 AMAQI
17th Jan 20266812 PMAQI
17th Jan 2026691 PMAQI
17th Jan 2026782 PMAQI
17th Jan 2026833 PMAQI
17th Jan 2026764 PMAQI
17th Jan 2026695 PMAQI
17th Jan 2026696 PMAQI
17th Jan 2026627 PMAQI
17th Jan 2026668 PMAQI
17th Jan 2026669 PMAQI
17th Jan 20266710 PMAQI
17th Jan 20266511 PMAQI
18th Jan 20265012 AMAQI
18th Jan 2026521 AMAQI
18th Jan 2026642 AMAQI
18th Jan 2026663 AMAQI
18th Jan 2026684 AMAQI
18th Jan 2026675 AMAQI

20°C17/23°C

18th Jan 2026626 AMAQI
18th Jan 2026597 AMAQI
18th Jan 2026628 AMAQI
18th Jan 2026649 AMAQI
18th Jan 20266710 AMAQI
18th Jan 20267111 AMAQI
18th Jan 20267412 PMAQI
18th Jan 2026681 PMAQI
18th Jan 2026622 PMAQI
18th Jan 2026623 PMAQI
18th Jan 2026674 PMAQI
18th Jan 2026635 PMAQI
18th Jan 2026656 PMAQI
18th Jan 2026647 PMAQI
18th Jan 2026648 PMAQI
18th Jan 2026609 PMAQI
18th Jan 20266610 PMAQI
18th Jan 20266611 PMAQI
19th Jan 20266612 AMAQI
19th Jan 2026631 AMAQI
19th Jan 2026592 AMAQI
19th Jan 2026513 AMAQI
19th Jan 2026584 AMAQI
19th Jan 2026605 AMAQI

20°C18/23°C

19th Jan 2026576 AMAQI
19th Jan 2026587 AMAQI
19th Jan 2026558 AMAQI
19th Jan 2026539 AMAQI
19th Jan 20266210 AMAQI
19th Jan 20266411 AMAQI
19th Jan 20266712 PMAQI
19th Jan 2026641 PMAQI
19th Jan 2026672 PMAQI
19th Jan 2026683 PMAQI
19th Jan 2026674 PMAQI
19th Jan 2026655 PMAQI
19th Jan 2026626 PMAQI
19th Jan 2026677 PMAQI
19th Jan 2026628 PMAQI
19th Jan 2026659 PMAQI
19th Jan 20266710 PMAQI
19th Jan 20266711 PMAQI
20th Jan 20265612 AMAQI
20th Jan 2026531 AMAQI
20th Jan 2026562 AMAQI
20th Jan 2026483 AMAQI
20th Jan 2026424 AMAQI
20th Jan 2026395 AMAQI

20°C18/23°C

20th Jan 2026336 AMAQI
20th Jan 2026287 AMAQI
20th Jan 2026208 AMAQI
20th Jan 2026259 AMAQI
20th Jan 20263110 AMAQI
20th Jan 20263111 AMAQI
20th Jan 20263412 PMAQI
20th Jan 2026501 PMAQI
20th Jan 2026352 PMAQI
20th Jan 2026483 PMAQI
20th Jan 2026484 PMAQI
20th Jan 2026465 PMAQI
20th Jan 2026426 PMAQI
20th Jan 2026387 PMAQI
20th Jan 2026428 PMAQI
20th Jan 2026389 PMAQI
20th Jan 20263110 PMAQI
20th Jan 20263611 PMAQI
21st Jan 20263612 AMAQI
21st Jan 2026311 AMAQI
21st Jan 2026222 AMAQI
21st Jan 2026183 AMAQI
21st Jan 2026184 AMAQI
21st Jan 2026145 AMAQI

19°C15/22°C

21st Jan 2026216 AMAQI
21st Jan 2026237 AMAQI
21st Jan 2026238 AMAQI
21st Jan 2026209 AMAQI
21st Jan 20262411 AMAQI
21st Jan 20263012 PMAQI
21st Jan 2026381 PMAQI
21st Jan 2026392 PMAQI
21st Jan 2026313 PMAQI
21st Jan 2026274 PMAQI
21st Jan 2026315 PMAQI
21st Jan 2026336 PMAQI
21st Jan 2026317 PMAQI
21st Jan 2026288 PMAQI
21st Jan 2026299 PMAQI
21st Jan 20263410 PMAQI
21st Jan 20263611 PMAQI
22nd Jan 20263812 AMAQI
22nd Jan 2026401 AMAQI
22nd Jan 2026462 AMAQI
22nd Jan 2026483 AMAQI
22nd Jan 2026484 AMAQI
22nd Jan 2026465 AMAQI

15°C14/18°C

22nd Jan 2026426 AMAQI
22nd Jan 2026407 AMAQI
22nd Jan 2026388 AMAQI
22nd Jan 2026489 AMAQI
22nd Jan 20265310 AMAQI
22nd Jan 20265311 AMAQI
22nd Jan 20265312 PMAQI
22nd Jan 2026401 PMAQI
22nd Jan 2026242 PMAQI
22nd Jan 2026243 PMAQI
22nd Jan 2026254 PMAQI
22nd Jan 2026295 PMAQI
22nd Jan 2026386 PMAQI
22nd Jan 2026387 PMAQI
22nd Jan 2026448 PMAQI
22nd Jan 2026489 PMAQI
22nd Jan 20265110 PMAQI
22nd Jan 20264011 PMAQI
23rd Jan 20263812 AMAQI
23rd Jan 2026421 AMAQI
23rd Jan 2026452 AMAQI
23rd Jan 2026463 AMAQI
23rd Jan 2026424 AMAQI
23rd Jan 2026365 AMAQI

15°C13/19°C

23rd Jan 2026366 AMAQI
23rd Jan 2026387 AMAQI
23rd Jan 2026328 AMAQI
23rd Jan 2026179 AMAQI
23rd Jan 20262110 AMAQI
23rd Jan 20262311 AMAQI
23rd Jan 20264012 PMAQI
23rd Jan 2026401 PMAQI
23rd Jan 2026482 PMAQI
23rd Jan 2026533 PMAQI
23rd Jan 2026514 PMAQI
23rd Jan 2026485 PMAQI
23rd Jan 2026466 PMAQI
23rd Jan 2026387 PMAQI
23rd Jan 2026368 PMAQI
23rd Jan 2026409 PMAQI
23rd Jan 20264410 PMAQI
23rd Jan 20265111 PMAQI
24th Jan 20264912 AMAQI
24th Jan 2026421 AMAQI
24th Jan 2026462 AMAQI
24th Jan 2026583 AMAQI
24th Jan 2026574 AMAQI
24th Jan 2026625 AMAQI

17°C15/20°C

24th Jan 2026636 AMAQI
24th Jan 2026627 AMAQI
24th Jan 2026638 AMAQI
24th Jan 2026579 AMAQI
24th Jan 20265410 AMAQI
24th Jan 20263211 AMAQI
24th Jan 20263612 PMAQI
24th Jan 2026511 PMAQI
24th Jan 2026462 PMAQI
24th Jan 2026483 PMAQI
24th Jan 2026514 PMAQI
24th Jan 2026425 PMAQI
24th Jan 2026426 PMAQI
24th Jan 2026517 PMAQI
24th Jan 2026388 PMAQI
24th Jan 2026509 PMAQI
24th Jan 20265110 PMAQI
24th Jan 20266711 PMAQI
25th Jan 20265912 AMAQI
25th Jan 2026631 AMAQI
25th Jan 2026622 AMAQI
25th Jan 2026573 AMAQI
25th Jan 2026634 AMAQI
25th Jan 2026595 AMAQI

19°C17/22°C

25th Jan 2026736 AMAQI
25th Jan 2026847 AMAQI
25th Jan 2026828 AMAQI
25th Jan 2026609 AMAQI
25th Jan 20264810 AMAQI
25th Jan 20264011 AMAQI
25th Jan 20264012 PMAQI
25th Jan 2026481 PMAQI
25th Jan 2026512 PMAQI
25th Jan 2026493 PMAQI
25th Jan 2026464 PMAQI
25th Jan 2026395 PMAQI
25th Jan 2026416 PMAQI
25th Jan 2026497 PMAQI
25th Jan 2026448 PMAQI
25th Jan 2026429 PMAQI
25th Jan 20264710 PMAQI
25th Jan 20265611 PMAQI
26th Jan 20267412 AMAQI
26th Jan 2026811 AMAQI
26th Jan 2026832 AMAQI
26th Jan 2026863 AMAQI
26th Jan 2026804 AMAQI
26th Jan 2026855 AMAQI

19°C17/22°C

26th Jan 2026786 AMAQI
26th Jan 2026717 AMAQI
26th Jan 2026698 AMAQI
26th Jan 20267410 AMAQI
26th Jan 20267411 AMAQI
26th Jan 20267612 PMAQI
26th Jan 2026831 PMAQI
26th Jan 2026852 PMAQI
26th Jan 2026883 PMAQI
26th Jan 2026864 PMAQI
26th Jan 2026805 PMAQI
26th Jan 2026746 PMAQI
26th Jan 2026667 PMAQI
26th Jan 2026838 PMAQI
26th Jan 2026909 PMAQI
26th Jan 20268110 PMAQI
26th Jan 20267811 PMAQI
27th Jan 20268712 AMAQI
27th Jan 2026941 AMAQI
27th Jan 20261102 AMAQI
27th Jan 2026953 AMAQI
27th Jan 2026874 AMAQI
27th Jan 2026885 AMAQI

20°C18/22°C

27th Jan 2026926 AMAQI
27th Jan 2026907 AMAQI
27th Jan 2026988 AMAQI
27th Jan 20261089 AMAQI
27th Jan 202611910 AMAQI
27th Jan 20269311 AMAQI
27th Jan 20268612 PMAQI
27th Jan 2026821 PMAQI
27th Jan 2026662 PMAQI
27th Jan 2026603 PMAQI
27th Jan 2026564 PMAQI
27th Jan 2026495 PMAQI
27th Jan 2026456 PMAQI
27th Jan 2026377 PMAQI
27th Jan 2026308 PMAQI
27th Jan 2026299 PMAQI
27th Jan 20262510 PMAQI
27th Jan 20262511 PMAQI
28th Jan 20262312 AMAQI
28th Jan 2026211 AMAQI
28th Jan 2026232 AMAQI
28th Jan 2026273 AMAQI
28th Jan 2026254 AMAQI
28th Jan 2026255 AMAQI

20°C18/22°C

28th Jan 2026236 AMAQI
28th Jan 2026237 AMAQI
28th Jan 2026268 AMAQI
28th Jan 2026289 AMAQI
28th Jan 20263210 AMAQI
28th Jan 20264211 AMAQI
28th Jan 20266012 PMAQI
28th Jan 2026691 PMAQI
28th Jan 2026662 PMAQI
28th Jan 2026603 PMAQI
28th Jan 2026594 PMAQI
28th Jan 2026595 PMAQI
28th Jan 2026466 PMAQI
28th Jan 2026307 PMAQI
28th Jan 2026268 PMAQI
28th Jan 2026269 PMAQI
28th Jan 20262611 PMAQI
29th Jan 20262012 AMAQI
29th Jan 2026241 AMAQI
29th Jan 2026242 AMAQI
29th Jan 2026263 AMAQI
29th Jan 2026294 AMAQI
29th Jan 2026315 AMAQI

18°C16/21°C

29th Jan 2026336 AMAQI
29th Jan 2026337 AMAQI
29th Jan 2026338 AMAQI
29th Jan 2026369 AMAQI
29th Jan 20263310 AMAQI
29th Jan 20263811 AMAQI
29th Jan 20264212 PMAQI
29th Jan 2026361 PMAQI
29th Jan 2026412 PMAQI
29th Jan 2026473 PMAQI
29th Jan 2026544 PMAQI
29th Jan 2026585 PMAQI
29th Jan 2026516 PMAQI
29th Jan 2026577 PMAQI
29th Jan 2026518 PMAQI
29th Jan 2026549 PMAQI
29th Jan 20264810 PMAQI
29th Jan 20265011 PMAQI
30th Jan 20265612 AMAQI
30th Jan 2026531 AMAQI
30th Jan 2026482 AMAQI
30th Jan 2026553 AMAQI
30th Jan 2026484 AMAQI
30th Jan 2026365 AMAQI

19°C16/22°C

30th Jan 2026576 AMAQI
30th Jan 2026537 AMAQI
30th Jan 2026968 AMAQI
30th Jan 20261009 AMAQI
30th Jan 20267810 AMAQI
30th Jan 20266211 AMAQI
30th Jan 20266612 PMAQI
30th Jan 2026621 PMAQI
30th Jan 2026622 PMAQI
30th Jan 2026593 PMAQI
30th Jan 2026704 PMAQI
30th Jan 2026725 PMAQI
30th Jan 2026696 PMAQI
30th Jan 2026697 PMAQI
30th Jan 2026688 PMAQI
30th Jan 2026689 PMAQI
30th Jan 20266910 PMAQI
30th Jan 20266811 PMAQI
31st Jan 20267212 AMAQI
31st Jan 2026551 AMAQI
31st Jan 2026582 AMAQI
31st Jan 2026683 AMAQI
31st Jan 2026664 AMAQI
31st Jan 2026535 AMAQI

20°C18/22°C

31st Jan 2026466 AMAQI
31st Jan 2026467 AMAQI
31st Jan 2026448 AMAQI
31st Jan 2026559 AMAQI
31st Jan 20264610 AMAQI
31st Jan 20263411 AMAQI
31st Jan 20262812 PMAQI
31st Jan 2026231 PMAQI
31st Jan 2026282 PMAQI
31st Jan 2026383 PMAQI
31st Jan 2026354 PMAQI
31st Jan 2026375 PMAQI
31st Jan 2026207 PMAQI
31st Jan 2026168 PMAQI
31st Jan 2026189 PMAQI
31st Jan 20261810 PMAQI
31st Jan 20261411 PMAQI
1st Feb 20261212 AMAQI
1st Feb 2026121 AMAQI
1st Feb 2026122 AMAQI
1st Feb 2026123 AMAQI
1st Feb 2026144 AMAQI
1st Feb 2026125 AMAQI

19°C17/22°C

1st Feb 2026126 AMAQI
1st Feb 2026147 AMAQI
1st Feb 2026148 AMAQI
1st Feb 2026159 AMAQI
1st Feb 20261510 AMAQI
1st Feb 20261411 AMAQI
1st Feb 20262212 PMAQI
1st Feb 2026211 PMAQI
1st Feb 2026222 PMAQI
1st Feb 2026213 PMAQI
1st Feb 2026314 PMAQI
1st Feb 2026275 PMAQI
1st Feb 2026256 PMAQI
1st Feb 2026297 PMAQI
1st Feb 2026318 PMAQI
1st Feb 2026249 PMAQI
1st Feb 20262010 PMAQI
1st Feb 20262311 PMAQI
2nd Feb 20262712 AMAQI
2nd Feb 2026291 AMAQI
2nd Feb 2026252 AMAQI
2nd Feb 2026273 AMAQI
2nd Feb 2026274 AMAQI
2nd Feb 2026195 AMAQI

17°C16/20°C

2nd Feb 2026176 AMAQI
2nd Feb 2026237 AMAQI
2nd Feb 2026238 AMAQI
2nd Feb 2026259 AMAQI
2nd Feb 20263410 AMAQI
2nd Feb 20265211 AMAQI
2nd Feb 20265012 PMAQI
2nd Feb 2026451 PMAQI
2nd Feb 2026532 PMAQI
2nd Feb 2026503 PMAQI
2nd Feb 2026674 PMAQI
2nd Feb 2026715 PMAQI
2nd Feb 2026756 PMAQI
2nd Feb 2026697 PMAQI
2nd Feb 2026628 PMAQI
2nd Feb 2026579 PMAQI
2nd Feb 20266510 PMAQI
2nd Feb 20266411 PMAQI
3rd Feb 20265712 AMAQI
3rd Feb 2026441 AMAQI
3rd Feb 2026402 AMAQI
3rd Feb 2026463 AMAQI
3rd Feb 2026544 AMAQI
3rd Feb 2026665 AMAQI

17°C16/18°C

3rd Feb 2026646 AMAQI
3rd Feb 2026647 AMAQI
3rd Feb 2026688 AMAQI
3rd Feb 2026689 AMAQI
3rd Feb 20267310 AMAQI
3rd Feb 20266411 AMAQI
3rd Feb 20267612 PMAQI
3rd Feb 2026731 PMAQI
3rd Feb 2026722 PMAQI
3rd Feb 2026744 PMAQI
3rd Feb 2026695 PMAQI
3rd Feb 2026626 PMAQI
3rd Feb 2026557 PMAQI
3rd Feb 2026568 PMAQI
3rd Feb 2026529 PMAQI
3rd Feb 20264910 PMAQI
3rd Feb 20265611 PMAQI
4th Feb 20266212 AMAQI
4th Feb 2026671 AMAQI
4th Feb 2026642 AMAQI
4th Feb 2026653 AMAQI
4th Feb 2026664 AMAQI
4th Feb 2026685 AMAQI

18°C16/22°C

4th Feb 2026736 AMAQI
4th Feb 2026747 AMAQI
4th Feb 2026668 AMAQI
4th Feb 2026669 AMAQI
4th Feb 20267110 AMAQI
4th Feb 20267611 AMAQI
4th Feb 20268012 PMAQI
4th Feb 2026791 PMAQI
4th Feb 2026742 PMAQI
4th Feb 2026733 PMAQI
4th Feb 2026734 PMAQI
4th Feb 2026865 PMAQI
4th Feb 2026946 PMAQI
4th Feb 2026797 PMAQI
4th Feb 2026828 PMAQI
4th Feb 2026809 PMAQI
4th Feb 20267610 PMAQI
4th Feb 20267611 PMAQI
5th Feb 20268212 AMAQI
5th Feb 2026921 AMAQI
5th Feb 2026902 AMAQI
5th Feb 2026883 AMAQI
5th Feb 2026904 AMAQI
5th Feb 2026835 AMAQI

19°C17/23°C

5th Feb 2026786 AMAQI
5th Feb 2026887 AMAQI
5th Feb 2026908 AMAQI
5th Feb 20261289 AMAQI
5th Feb 202612010 AMAQI
5th Feb 20269811 AMAQI
5th Feb 20268212 PMAQI
5th Feb 2026711 PMAQI
5th Feb 2026602 PMAQI
5th Feb 2026503 PMAQI
5th Feb 2026554 PMAQI
5th Feb 2026365 PMAQI
5th Feb 2026276 PMAQI
5th Feb 2026467 PMAQI
5th Feb 2026708 PMAQI
5th Feb 2026959 PMAQI
5th Feb 20269810 PMAQI
5th Feb 20268111 PMAQI
6th Feb 20267412 AMAQI
6th Feb 2026761 AMAQI
6th Feb 2026802 AMAQI
6th Feb 2026803 AMAQI
6th Feb 2026764 AMAQI
6th Feb 2026765 AMAQI

21°C18/26°C

6th Feb 2026936 AMAQI
6th Feb 2026937 AMAQI
6th Feb 2026768 AMAQI
6th Feb 2026639 AMAQI
6th Feb 20266210 AMAQI
6th Feb 20268212 PMAQI
6th Feb 2026741 PMAQI
6th Feb 2026602 PMAQI
6th Feb 2026583 PMAQI
6th Feb 2026784 PMAQI
6th Feb 2026975 PMAQI
6th Feb 2026976 PMAQI
6th Feb 2026947 PMAQI
6th Feb 20261088 PMAQI
6th Feb 2026989 PMAQI
6th Feb 20268910 PMAQI
6th Feb 20267611 PMAQI
7th Feb 20266612 AMAQI
7th Feb 2026861 AMAQI
7th Feb 2026862 AMAQI
7th Feb 2026563 AMAQI
7th Feb 2026324 AMAQI
7th Feb 2026275 AMAQI

21°C19/23°C

7th Feb 2026186 AMAQI
7th Feb 2026187 AMAQI
7th Feb 2026168 AMAQI
7th Feb 2026149 AMAQI
7th Feb 20261610 AMAQI
7th Feb 20262611 AMAQI
7th Feb 20264312 PMAQI
7th Feb 2026421 PMAQI
7th Feb 2026522 PMAQI
7th Feb 2026573 PMAQI
7th Feb 2026564 PMAQI
7th Feb 2026505 PMAQI
7th Feb 2026456 PMAQI
7th Feb 2026497 PMAQI
7th Feb 2026518 PMAQI
7th Feb 2026519 PMAQI
7th Feb 20264410 PMAQI
7th Feb 20263311 PMAQI
8th Feb 20263312 AMAQI
8th Feb 2026421 AMAQI
8th Feb 2026382 AMAQI
8th Feb 2026333 AMAQI
8th Feb 2026314 AMAQI
8th Feb 2026425 AMAQI

18°C16/20°C

8th Feb 2026647 AMAQI
8th Feb 2026768 AMAQI
8th Feb 2026709 AMAQI
8th Feb 20267210 AMAQI
8th Feb 20267111 AMAQI
8th Feb 20267012 PMAQI
8th Feb 2026721 PMAQI
8th Feb 2026662 PMAQI
8th Feb 2026683 PMAQI
8th Feb 2026624 PMAQI
8th Feb 2026675 PMAQI
8th Feb 2026786 PMAQI
8th Feb 2026747 PMAQI
8th Feb 2026748 PMAQI
8th Feb 2026769 PMAQI
8th Feb 20267210 PMAQI
8th Feb 20266711 PMAQI
9th Feb 20266412 AMAQI
9th Feb 2026561 AMAQI
9th Feb 2026512 AMAQI
9th Feb 2026403 AMAQI
9th Feb 2026304 AMAQI
9th Feb 2026255 AMAQI

14°C12/17°C

9th Feb 2026226 AMAQI
9th Feb 2026207 AMAQI
9th Feb 2026258 AMAQI
9th Feb 2026269 AMAQI
9th Feb 20262810 AMAQI
9th Feb 20264011 AMAQI
9th Feb 20265412 PMAQI
9th Feb 2026631 PMAQI
9th Feb 2026622 PMAQI
9th Feb 2026623 PMAQI
9th Feb 2026604 PMAQI
9th Feb 2026565 PMAQI
9th Feb 2026566 PMAQI
9th Feb 2026717 PMAQI
9th Feb 2026428 PMAQI
9th Feb 2026689 PMAQI
9th Feb 20265210 PMAQI
9th Feb 20264011 PMAQI
10th Feb 20263612 AMAQI
10th Feb 2026361 AMAQI
10th Feb 2026322 AMAQI
10th Feb 2026373 AMAQI
10th Feb 2026404 AMAQI
10th Feb 2026465 AMAQI

15°C11/18°C

10th Feb 2026436 AMAQI
10th Feb 2026387 AMAQI
10th Feb 2026428 AMAQI
10th Feb 2026539 AMAQI
10th Feb 20265810 AMAQI
10th Feb 20266711 AMAQI
10th Feb 20265612 PMAQI
10th Feb 2026381 PMAQI
10th Feb 2026382 PMAQI
10th Feb 2026403 PMAQI
10th Feb 2026384 PMAQI
10th Feb 2026405 PMAQI
10th Feb 2026366 PMAQI
10th Feb 2026447 PMAQI
10th Feb 2026568 PMAQI
10th Feb 2026669 PMAQI
10th Feb 20266410 PMAQI
10th Feb 20265711 PMAQI
11th Feb 20266812 AMAQI
11th Feb 2026741 AMAQI
11th Feb 2026792 AMAQI
11th Feb 2026863 AMAQI
11th Feb 2026934 AMAQI
11th Feb 20261025 AMAQI

18°C16/20°C

11th Feb 20261046 AMAQI
11th Feb 2026807 AMAQI
11th Feb 2026808 AMAQI
11th Feb 2026949 AMAQI
11th Feb 20267410 AMAQI
11th Feb 20265811 AMAQI
11th Feb 20266012 PMAQI
11th Feb 2026621 PMAQI
11th Feb 2026522 PMAQI
11th Feb 2026533 PMAQI
11th Feb 2026564 PMAQI
11th Feb 2026645 PMAQI
11th Feb 2026676 PMAQI
11th Feb 2026627 PMAQI
11th Feb 2026668 PMAQI
11th Feb 2026729 PMAQI
11th Feb 20267110 PMAQI
11th Feb 20266211 PMAQI
12th Feb 20266912 AMAQI
12th Feb 2026741 AMAQI
12th Feb 2026722 AMAQI
12th Feb 2026663 AMAQI
12th Feb 2026694 AMAQI
12th Feb 2026665 AMAQI

19°C17/22°C

12th Feb 2026626 AMAQI
12th Feb 2026607 AMAQI
12th Feb 2026688 AMAQI
12th Feb 2026719 AMAQI
12th Feb 20266710 AMAQI
12th Feb 20266411 AMAQI
12th Feb 2026661 PMAQI
12th Feb 2026622 PMAQI
12th Feb 2026623 PMAQI
12th Feb 2026594 PMAQI
12th Feb 2026565 PMAQI
12th Feb 2026586 PMAQI
12th Feb 2026507 PMAQI
12th Feb 2026508 PMAQI
12th Feb 2026559 PMAQI
12th Feb 20265510 PMAQI
12th Feb 20265711 PMAQI
13th Feb 20266312 AMAQI
13th Feb 2026601 AMAQI
13th Feb 2026662 AMAQI
13th Feb 2026763 AMAQI
13th Feb 2026794 AMAQI
13th Feb 2026825 AMAQI

19°C16/22°C

13th Feb 2026766 AMAQI
6 AM
13th Feb 2026927 AMAQI
13th Feb 2026788 AMAQI
13th Feb 2026889 AMAQI
13th Feb 20268510 AMAQI
13th Feb 20267811 AMAQI
11 AM
13th Feb 20268612 PMAQI
13th Feb 2026881 PMAQI
13th Feb 2026902 PMAQI
13th Feb 20261083 PMAQI
13th Feb 2026764 PMAQI
13th Feb 2026835 PMAQI
5 PM
13th Feb 20261056 PMAQI
13th Feb 2026977 PMAQI
13th Feb 20261008 PMAQI
13th Feb 20261109 PMAQI
13th Feb 202610410 PMAQI
13th Feb 202611011 PMAQI
11 PM
5 AM

20°C17/23°C

Day time
Avg. Highest Time
10 AM

60AQI

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

55AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 10 AM (Avg. 60), while the lowest AQI was between 11 AM to 11 AM (Avg. 55).
Night time
Avg. Highest Time
9 PM - 10 PM

60AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
12 AM - 5 AM

58AQI

6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 10 PM (Avg. 60), while the lowest AQI was between 12 AM to 5 AM (Avg. 58).

2026 Days Vs Air Quality

Erlin, Huatan, Changhua, Taiwan

2026

37%

16

63%

27

Total number of days with different AQI categories in last 45 days in 2026 (320 days remaining)

Good
16 Days
Moderate
27 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 37%

Health Risk Level:

High

In 2026, 37% of 45 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

Erlin, Huatan, Changhua, 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
38AQI (US)
2nd January 2026
38AQI (US)
3rd January 2026
43AQI (US)
4th January 2026
58AQI (US)
5th January 2026
80AQI (US)
6th January 2026
68AQI (US)
7th January 2026
69AQI (US)
8th January 2026
71AQI (US)
9th January 2026
65AQI (US)
10th January 2026
50AQI (US)
11th January 2026
63AQI (US)
12th January 2026
60AQI (US)
13th January 2026
70AQI (US)
14th January 2026
79AQI (US)
15th January 2026
79AQI (US)
16th January 2026
79AQI (US)
17th January 2026
80AQI (US)
18th January 2026
64AQI (US)
19th January 2026
62AQI (US)
20th January 2026
40AQI (US)
21st January 2026
28AQI (US)
22nd January 2026
41AQI (US)
23rd January 2026
40AQI (US)
24th January 2026
51AQI (US)
25th January 2026
54AQI (US)
26th January 2026
79AQI (US)
27th January 2026
73AQI (US)
28th January 2026
37AQI (US)
29th January 2026
40AQI (US)
30th January 2026
64AQI (US)
31st January 2026
40AQI (US)
1st February 2026
19AQI (US)
2nd February 2026
44AQI (US)
3rd February 2026
61AQI (US)
4th February 2026
74AQI (US)
5th February 2026
79AQI (US)
6th February 2026
81AQI (US)
7th February 2026
44AQI (US)
8th February 2026
62AQI (US)
9th February 2026
46AQI (US)
10th February 2026
46AQI (US)
11th February 2026
72AQI (US)
12th February 2026
63AQI (US)
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

58AQI (US)

58AQI (US)

No. of days

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

202658AQI (US)

11
20
5
7
16
27

Highest AQI (US) recorded in

January

58AQI (US)

Lowest AQI (US) recorded in

February

58AQI (US)

202555AQI (US)

31
3
24
1
5
26
2
28
15
16
28
2
29
2
30
1
18
12
8
23
8
22
8
22
1
154
209
2

Highest AQI (US) recorded in

January

69AQI (US)

Lowest AQI (US) recorded in

June

33AQI (US)

202461AQI (US)

2
19
10
2
21
6
2
20
9
1
26
3
3
28
29
31
23
8
14
16
14
17
18
12
8
23
147
190
28

Highest AQI (US) recorded in

March

87AQI (US)

Lowest AQI (US) recorded in

July

31AQI (US)

202362AQI (US)

5
21
5
2
21
5
4
20
7
25
5
7
22
2
21
9
26
5
30
1
12
18
11
18
2
4
24
1
10
17
4
132
201
31

Highest AQI (US) recorded in

April

84AQI (US)

Lowest AQI (US) recorded in

July

36AQI (US)

202258AQI (US)

7
23
10
10
1
4
16
11
6
12
13
18
25
5
18
3
1
7
21
16
13
2
10
18
2
21
10
138
149
16

Highest AQI (US) recorded in

March

91AQI (US)

Lowest AQI (US) recorded in

July

36AQI (US)

202163AQI (US)

4
19
6
1
14
12
1
1
18
12
1
29
21
10
29
1
24
7
26
5
10
18
2
10
18
3
7
22
1
8
22
1
142
183
37
1

Highest AQI (US) recorded in

February

99AQI (US)

Lowest AQI (US) recorded in

June

32AQI (US)

202053AQI (US)

2
8
3
2
16
3
14
4
27
3
27
4
28
3
9
19
2
1
30
5
22
3
15
13
3
130
122
14

Highest AQI (US) recorded in

March

78AQI (US)

Lowest AQI (US) recorded in

July

35AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2021(Avg.)
63AQI (US)
Least Polluted Year Recorded
2020(Avg.)
53AQI (US)

Erlin's annual 2026 AQI (US) (58) shows an average percentage change of -0.8% (improved AQI (US)) compared to previous years: 2020 (53), 2021 (63), 2022 (58), 2023 (62), 2024 (61), 2025 (55).