Hsinchu, Hsinchu, 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+
December Air Quality Analysis
Hsinchu, Hsinchu, Taiwan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
14th Dec 2024
100AQILowest AQI recorded on
1st Dec 2022
23AQISame Day Analysis (9th December ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 45 of Good air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 9th Dec - 10th Dec 2025
Hsinchu, Hsinchu, Taiwan
AQI
Day
Night
.
6 AM9th Dec 2025
5 PM
5 AM10th Dec 2025
Day time
Avg. Highest Time
8AM9th Dec
56AQI
Avg. Lowest Time
5PM9th Dec
38AQI
Night time
Avg. Highest Time
5AM10th Dec
54AQI
Avg. Lowest Time
8PM9th Dec
37AQI
In the last 24 hours,
Hsinchu's AQI reached its highest point of 56 at 8 AM during the Day, while the lowest point, 37, was recorded at 8 PM during the Night between 9th Dec and 10th Dec 2025.
Day & Night AQI Trend : Nov - Dec 2025
Hsinchu, Hsinchu, Taiwan
NovDec
10th - 11th11th - 12th12th - 13th13th - 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
Day
Night
10th Nov 2025256 AMAQI
10th Nov 2025187 AMAQI
10th Nov 2025148 AMAQI
10th Nov 2025159 AMAQI
10th Nov 20251610 AMAQI
10th Nov 20251911 AMAQI
10th Nov 20251912 PMAQI
10th Nov 2025181 PMAQI
10th Nov 2025192 PMAQI
10th Nov 2025173 PMAQI
10th Nov 2025174 PMAQI
10th Nov 2025195 PMAQI
10th Nov 2025256 PMAQI
10th Nov 2025297 PMAQI
10th Nov 2025348 PMAQI
10th Nov 2025449 PMAQI
10th Nov 20254910 PMAQI
10th Nov 20254411 PMAQI
11th Nov 20253812 AMAQI
11th Nov 2025381 AMAQI
11th Nov 2025262 AMAQI
11th Nov 2025263 AMAQI
11th Nov 2025174 AMAQI
11th Nov 2025185 AMAQI
24°C23/26°C
11th Nov 2025276 AMAQI
11th Nov 2025307 AMAQI
11th Nov 2025278 AMAQI
11th Nov 2025149 AMAQI
11th Nov 20252310 AMAQI
11th Nov 20251611 AMAQI
11th Nov 20251212 PMAQI
11th Nov 2025141 PMAQI
11th Nov 2025142 PMAQI
11th Nov 2025143 PMAQI
11th Nov 2025144 PMAQI
11th Nov 2025215 PMAQI
11th Nov 2025256 PMAQI
11th Nov 2025267 PMAQI
11th Nov 2025178 PMAQI
11th Nov 2025149 PMAQI
11th Nov 20251310 PMAQI
11th Nov 20251311 PMAQI
12th Nov 20251612 AMAQI
12th Nov 2025211 AMAQI
12th Nov 2025182 AMAQI
12th Nov 2025243 AMAQI
12th Nov 2025174 AMAQI
12th Nov 2025135 AMAQI
23°C22/25°C
12th Nov 2025176 AMAQI
12th Nov 2025257 AMAQI
12th Nov 2025178 AMAQI
12th Nov 2025279 AMAQI
12th Nov 20252910 AMAQI
12th Nov 20252711 AMAQI
12th Nov 20252012 PMAQI
12th Nov 2025201 PMAQI
12th Nov 2025172 PMAQI
12th Nov 2025173 PMAQI
12th Nov 2025174 PMAQI
12th Nov 2025145 PMAQI
12th Nov 2025186 PMAQI
12th Nov 2025257 PMAQI
12th Nov 2025238 PMAQI
12th Nov 2025229 PMAQI
12th Nov 20252410 PMAQI
12th Nov 20251511 PMAQI
13th Nov 20251412 AMAQI
13th Nov 2025141 AMAQI
13th Nov 2025132 AMAQI
13th Nov 2025193 AMAQI
13th Nov 2025204 AMAQI
13th Nov 2025175 AMAQI
25°C22/29°C
13th Nov 2025196 AMAQI
13th Nov 2025217 AMAQI
13th Nov 2025208 AMAQI
13th Nov 2025119 AMAQI
13th Nov 20251110 AMAQI
13th Nov 20251111 AMAQI
13th Nov 20251512 PMAQI
13th Nov 2025251 PMAQI
13th Nov 2025202 PMAQI
13th Nov 2025203 PMAQI
13th Nov 2025134 PMAQI
13th Nov 2025185 PMAQI
13th Nov 2025236 PMAQI
13th Nov 2025477 PMAQI
13th Nov 2025478 PMAQI
13th Nov 2025249 PMAQI
13th Nov 20251710 PMAQI
13th Nov 20251911 PMAQI
14th Nov 20252212 AMAQI
14th Nov 2025261 AMAQI
14th Nov 2025242 AMAQI
14th Nov 2025283 AMAQI
14th Nov 2025434 AMAQI
14th Nov 2025435 AMAQI
22°C21/23°C
14th Nov 2025476 AMAQI
14th Nov 2025467 AMAQI
14th Nov 2025478 AMAQI
14th Nov 2025459 AMAQI
14th Nov 20254510 AMAQI
14th Nov 20254811 AMAQI
14th Nov 20255212 PMAQI
14th Nov 2025531 PMAQI
14th Nov 2025522 PMAQI
14th Nov 2025523 PMAQI
14th Nov 2025594 PMAQI
14th Nov 2025605 PMAQI
14th Nov 2025626 PMAQI
14th Nov 2025647 PMAQI
14th Nov 2025638 PMAQI
14th Nov 2025649 PMAQI
14th Nov 20256810 PMAQI
14th Nov 20256511 PMAQI
15th Nov 20256412 AMAQI
15th Nov 2025611 AMAQI
15th Nov 2025592 AMAQI
15th Nov 2025633 AMAQI
15th Nov 2025624 AMAQI
15th Nov 2025605 AMAQI
22°C20/24°C
15th Nov 2025566 AMAQI
15th Nov 2025567 AMAQI
15th Nov 2025488 AMAQI
15th Nov 2025449 AMAQI
15th Nov 20254510 AMAQI
15th Nov 20254211 AMAQI
15th Nov 20253912 PMAQI
15th Nov 2025441 PMAQI
15th Nov 2025452 PMAQI
15th Nov 2025443 PMAQI
15th Nov 2025464 PMAQI
15th Nov 2025475 PMAQI
15th Nov 2025486 PMAQI
15th Nov 2025397 PMAQI
15th Nov 2025438 PMAQI
15th Nov 2025409 PMAQI
15th Nov 20253510 PMAQI
15th Nov 20253511 PMAQI
16th Nov 20253412 AMAQI
16th Nov 2025331 AMAQI
16th Nov 2025362 AMAQI
16th Nov 2025363 AMAQI
16th Nov 2025354 AMAQI
16th Nov 2025355 AMAQI
22°C20/26°C
16th Nov 2025386 AMAQI
16th Nov 2025367 AMAQI
16th Nov 2025378 AMAQI
16th Nov 2025369 AMAQI
16th Nov 20254610 AMAQI
16th Nov 20254511 AMAQI
16th Nov 20254412 PMAQI
16th Nov 2025501 PMAQI
16th Nov 2025532 PMAQI
16th Nov 2025583 PMAQI
16th Nov 2025454 PMAQI
16th Nov 2025445 PMAQI
16th Nov 2025496 PMAQI
16th Nov 2025507 PMAQI
16th Nov 2025508 PMAQI
16th Nov 2025579 PMAQI
16th Nov 20256110 PMAQI
16th Nov 20256011 PMAQI
17th Nov 20256012 AMAQI
17th Nov 2025601 AMAQI
17th Nov 2025622 AMAQI
17th Nov 2025523 AMAQI
17th Nov 2025504 AMAQI
17th Nov 2025485 AMAQI
24°C21/28°C
17th Nov 2025476 AMAQI
17th Nov 2025507 AMAQI
17th Nov 2025398 AMAQI
17th Nov 2025359 AMAQI
17th Nov 20253410 AMAQI
17th Nov 20253911 AMAQI
17th Nov 20254612 PMAQI
17th Nov 2025601 PMAQI
17th Nov 2025622 PMAQI
17th Nov 2025643 PMAQI
17th Nov 2025674 PMAQI
17th Nov 2025635 PMAQI
17th Nov 2025636 PMAQI
17th Nov 2025607 PMAQI
17th Nov 2025588 PMAQI
17th Nov 2025539 PMAQI
17th Nov 20255410 PMAQI
17th Nov 20255311 PMAQI
18th Nov 20255312 AMAQI
18th Nov 2025441 AMAQI
18th Nov 2025282 AMAQI
18th Nov 2025303 AMAQI
18th Nov 2025304 AMAQI
18th Nov 2025265 AMAQI
23°C21/26°C
18th Nov 2025156 AMAQI
18th Nov 2025207 AMAQI
18th Nov 2025208 AMAQI
18th Nov 2025229 AMAQI
18th Nov 20252110 AMAQI
18th Nov 20252411 AMAQI
18th Nov 20252712 PMAQI
18th Nov 2025311 PMAQI
18th Nov 2025292 PMAQI
18th Nov 2025303 PMAQI
18th Nov 2025374 PMAQI
18th Nov 2025445 PMAQI
18th Nov 2025536 PMAQI
18th Nov 2025557 PMAQI
18th Nov 2025518 PMAQI
18th Nov 2025579 PMAQI
18th Nov 20255910 PMAQI
18th Nov 20255711 PMAQI
19th Nov 20255712 AMAQI
19th Nov 2025581 AMAQI
19th Nov 2025592 AMAQI
19th Nov 2025593 AMAQI
19th Nov 2025584 AMAQI
19th Nov 2025585 AMAQI
19°C17/21°C
19th Nov 2025606 AMAQI
19th Nov 2025637 AMAQI
19th Nov 2025608 AMAQI
19th Nov 2025609 AMAQI
19th Nov 20256010 AMAQI
19th Nov 20256211 AMAQI
19th Nov 20256512 PMAQI
19th Nov 2025651 PMAQI
19th Nov 2025642 PMAQI
19th Nov 2025633 PMAQI
19th Nov 2025674 PMAQI
19th Nov 2025675 PMAQI
19th Nov 2025586 PMAQI
19th Nov 2025657 PMAQI
19th Nov 2025698 PMAQI
19th Nov 2025699 PMAQI
19th Nov 20256410 PMAQI
19th Nov 20256411 PMAQI
20th Nov 20256212 AMAQI
20th Nov 2025531 AMAQI
20th Nov 2025572 AMAQI
20th Nov 2025593 AMAQI
20th Nov 2025574 AMAQI
20th Nov 2025595 AMAQI
16°C16/18°C
20th Nov 2025596 AMAQI
20th Nov 2025547 AMAQI
20th Nov 2025498 AMAQI
20th Nov 2025499 AMAQI
20th Nov 20256110 AMAQI
20th Nov 20256111 AMAQI
20th Nov 20256012 PMAQI
20th Nov 2025561 PMAQI
20th Nov 2025572 PMAQI
20th Nov 2025513 PMAQI
20th Nov 2025504 PMAQI
20th Nov 2025535 PMAQI
20th Nov 2025536 PMAQI
20th Nov 2025557 PMAQI
20th Nov 2025558 PMAQI
20th Nov 2025569 PMAQI
20th Nov 20255610 PMAQI
20th Nov 20255611 PMAQI
21st Nov 20256212 AMAQI
21st Nov 2025501 AMAQI
21st Nov 2025522 AMAQI
21st Nov 2025513 AMAQI
21st Nov 2025484 AMAQI
21st Nov 2025455 AMAQI
19°C16/21°C
21st Nov 2025496 AMAQI
21st Nov 2025507 AMAQI
21st Nov 2025548 AMAQI
21st Nov 2025549 AMAQI
21st Nov 20255310 AMAQI
21st Nov 20255311 AMAQI
21st Nov 20255412 PMAQI
21st Nov 2025541 PMAQI
21st Nov 2025542 PMAQI
21st Nov 2025553 PMAQI
21st Nov 2025544 PMAQI
21st Nov 2025595 PMAQI
21st Nov 2025556 PMAQI
21st Nov 2025547 PMAQI
21st Nov 2025578 PMAQI
21st Nov 2025579 PMAQI
21st Nov 20256010 PMAQI
21st Nov 20256211 PMAQI
22nd Nov 20255512 AMAQI
22nd Nov 2025571 AMAQI
22nd Nov 2025522 AMAQI
22nd Nov 2025503 AMAQI
22nd Nov 2025464 AMAQI
22nd Nov 2025445 AMAQI
20°C18/22°C
22nd Nov 2025446 AMAQI
22nd Nov 2025547 AMAQI
22nd Nov 2025528 AMAQI
22nd Nov 2025569 AMAQI
22nd Nov 20255310 AMAQI
22nd Nov 20255011 AMAQI
22nd Nov 20254812 PMAQI
22nd Nov 2025481 PMAQI
22nd Nov 2025512 PMAQI
22nd Nov 2025503 PMAQI
22nd Nov 2025464 PMAQI
22nd Nov 2025505 PMAQI
22nd Nov 2025526 PMAQI
22nd Nov 2025517 PMAQI
22nd Nov 2025528 PMAQI
22nd Nov 2025559 PMAQI
22nd Nov 20255410 PMAQI
22nd Nov 20255511 PMAQI
23rd Nov 20255212 AMAQI
23rd Nov 2025531 AMAQI
23rd Nov 2025552 AMAQI
23rd Nov 2025543 AMAQI
23rd Nov 2025554 AMAQI
23rd Nov 2025545 AMAQI
21°C19/24°C
23rd Nov 2025536 AMAQI
23rd Nov 2025447 AMAQI
23rd Nov 2025558 AMAQI
23rd Nov 2025449 AMAQI
23rd Nov 20254610 AMAQI
23rd Nov 20254911 AMAQI
23rd Nov 20255212 PMAQI
23rd Nov 2025511 PMAQI
23rd Nov 2025582 PMAQI
23rd Nov 2025593 PMAQI
23rd Nov 2025594 PMAQI
23rd Nov 2025605 PMAQI
23rd Nov 2025596 PMAQI
23rd Nov 2025597 PMAQI
23rd Nov 2025628 PMAQI
23rd Nov 2025639 PMAQI
23rd Nov 20256310 PMAQI
23rd Nov 20256611 PMAQI
24th Nov 20256612 AMAQI
24th Nov 2025641 AMAQI
24th Nov 2025602 AMAQI
24th Nov 2025583 AMAQI
24th Nov 2025564 AMAQI
24th Nov 2025545 AMAQI
22°C19/27°C
24th Nov 2025486 AMAQI
24th Nov 2025487 AMAQI
24th Nov 2025388 AMAQI
24th Nov 2025459 AMAQI
24th Nov 20255410 AMAQI
24th Nov 20256111 AMAQI
24th Nov 20256512 PMAQI
24th Nov 2025661 PMAQI
24th Nov 2025582 PMAQI
24th Nov 2025573 PMAQI
24th Nov 2025664 PMAQI
24th Nov 2025675 PMAQI
24th Nov 2025646 PMAQI
24th Nov 2025557 PMAQI
24th Nov 2025588 PMAQI
24th Nov 2025599 PMAQI
24th Nov 20256010 PMAQI
24th Nov 20255911 PMAQI
25th Nov 20255612 AMAQI
25th Nov 2025561 AMAQI
25th Nov 2025542 AMAQI
25th Nov 2025533 AMAQI
25th Nov 2025604 AMAQI
25th Nov 2025635 AMAQI
23°C20/27°C
25th Nov 2025636 AMAQI
25th Nov 2025647 AMAQI
25th Nov 2025688 AMAQI
25th Nov 2025729 AMAQI
25th Nov 20257410 AMAQI
25th Nov 20257211 AMAQI
25th Nov 20257212 PMAQI
25th Nov 2025711 PMAQI
25th Nov 2025722 PMAQI
25th Nov 2025723 PMAQI
25th Nov 2025854 PMAQI
25th Nov 2025925 PMAQI
25th Nov 2025926 PMAQI
25th Nov 2025917 PMAQI
25th Nov 2025918 PMAQI
25th Nov 2025899 PMAQI
25th Nov 20258910 PMAQI
25th Nov 20258811 PMAQI
26th Nov 20258612 AMAQI
26th Nov 2025881 AMAQI
26th Nov 2025832 AMAQI
26th Nov 2025803 AMAQI
26th Nov 2025774 AMAQI
26th Nov 2025695 AMAQI
20°C17/22°C
26th Nov 2025646 AMAQI
26th Nov 2025597 AMAQI
26th Nov 2025538 AMAQI
26th Nov 2025539 AMAQI
26th Nov 20255210 AMAQI
26th Nov 20255111 AMAQI
26th Nov 20255112 PMAQI
26th Nov 2025501 PMAQI
26th Nov 2025472 PMAQI
26th Nov 2025463 PMAQI
26th Nov 2025504 PMAQI
26th Nov 2025445 PMAQI
26th Nov 2025406 PMAQI
26th Nov 2025407 PMAQI
26th Nov 2025408 PMAQI
26th Nov 2025379 PMAQI
26th Nov 20253410 PMAQI
26th Nov 20253311 PMAQI
27th Nov 20253312 AMAQI
27th Nov 2025401 AMAQI
27th Nov 2025362 AMAQI
27th Nov 2025313 AMAQI
27th Nov 2025294 AMAQI
27th Nov 2025265 AMAQI
19°C17/22°C
27th Nov 2025256 AMAQI
27th Nov 2025327 AMAQI
27th Nov 2025368 AMAQI
27th Nov 2025449 AMAQI
27th Nov 20254710 AMAQI
27th Nov 20254311 AMAQI
27th Nov 20253812 PMAQI
27th Nov 2025341 PMAQI
27th Nov 2025352 PMAQI
27th Nov 2025393 PMAQI
27th Nov 2025374 PMAQI
27th Nov 2025385 PMAQI
27th Nov 2025356 PMAQI
27th Nov 2025377 PMAQI
27th Nov 2025418 PMAQI
27th Nov 2025489 PMAQI
27th Nov 20254810 PMAQI
27th Nov 20255411 PMAQI
28th Nov 20257612 AMAQI
28th Nov 2025781 AMAQI
28th Nov 2025872 AMAQI
28th Nov 2025923 AMAQI
28th Nov 2025944 AMAQI
28th Nov 2025925 AMAQI
19°C17/22°C
28th Nov 2025966 AMAQI
28th Nov 2025917 AMAQI
28th Nov 2025928 AMAQI
28th Nov 2025959 AMAQI
28th Nov 20259710 AMAQI
28th Nov 20259711 AMAQI
28th Nov 20259712 PMAQI
28th Nov 2025981 PMAQI
28th Nov 2025972 PMAQI
28th Nov 2025953 PMAQI
28th Nov 2025964 PMAQI
28th Nov 2025955 PMAQI
28th Nov 2025966 PMAQI
28th Nov 2025957 PMAQI
28th Nov 2025938 PMAQI
28th Nov 2025869 PMAQI
28th Nov 20258310 PMAQI
28th Nov 20258211 PMAQI
29th Nov 20257612 AMAQI
29th Nov 2025731 AMAQI
29th Nov 2025722 AMAQI
29th Nov 2025723 AMAQI
29th Nov 2025724 AMAQI
29th Nov 2025685 AMAQI
18°C16/21°C
29th Nov 2025696 AMAQI
29th Nov 2025707 AMAQI
29th Nov 2025698 AMAQI
29th Nov 2025669 AMAQI
29th Nov 20257010 AMAQI
29th Nov 20257111 AMAQI
29th Nov 20257112 PMAQI
29th Nov 2025601 PMAQI
29th Nov 2025582 PMAQI
29th Nov 2025573 PMAQI
29th Nov 2025564 PMAQI
29th Nov 2025555 PMAQI
29th Nov 2025586 PMAQI
29th Nov 2025607 PMAQI
29th Nov 2025658 PMAQI
29th Nov 2025679 PMAQI
29th Nov 20257710 PMAQI
29th Nov 20257511 PMAQI
30th Nov 20257612 AMAQI
30th Nov 2025751 AMAQI
30th Nov 2025662 AMAQI
30th Nov 2025623 AMAQI
30th Nov 2025594 AMAQI
30th Nov 2025525 AMAQI
20°C17/25°C
30th Nov 2025556 AMAQI
30th Nov 2025557 AMAQI
30th Nov 2025518 AMAQI
30th Nov 2025439 AMAQI
30th Nov 20254710 AMAQI
30th Nov 20255211 AMAQI
30th Nov 20255512 PMAQI
30th Nov 2025591 PMAQI
30th Nov 2025602 PMAQI
30th Nov 2025553 PMAQI
30th Nov 2025544 PMAQI
30th Nov 2025565 PMAQI
30th Nov 2025606 PMAQI
30th Nov 2025647 PMAQI
30th Nov 2025618 PMAQI
30th Nov 2025659 PMAQI
30th Nov 20256810 PMAQI
30th Nov 20256911 PMAQI
1st Dec 20257012 AMAQI
1st Dec 2025721 AMAQI
1st Dec 2025702 AMAQI
1st Dec 2025703 AMAQI
1st Dec 2025694 AMAQI
1st Dec 2025645 AMAQI
22°C18/25°C
1st Dec 2025676 AMAQI
1st Dec 2025657 AMAQI
1st Dec 2025628 AMAQI
1st Dec 2025619 AMAQI
1st Dec 20256210 AMAQI
1st Dec 20255911 AMAQI
1st Dec 20255512 PMAQI
1st Dec 2025541 PMAQI
1st Dec 2025532 PMAQI
1st Dec 2025413 PMAQI
1st Dec 2025374 PMAQI
1st Dec 2025345 PMAQI
1st Dec 2025386 PMAQI
1st Dec 2025427 PMAQI
1st Dec 2025418 PMAQI
1st Dec 2025439 PMAQI
1st Dec 20254210 PMAQI
1st Dec 20254211 PMAQI
2nd Dec 20253912 AMAQI
2nd Dec 2025351 AMAQI
2nd Dec 2025352 AMAQI
2nd Dec 2025283 AMAQI
2nd Dec 2025254 AMAQI
2nd Dec 2025305 AMAQI
22°C20/24°C
2nd Dec 2025376 AMAQI
2nd Dec 2025387 AMAQI
2nd Dec 2025378 AMAQI
2nd Dec 2025299 AMAQI
2nd Dec 20252910 AMAQI
2nd Dec 20252711 AMAQI
2nd Dec 20253312 PMAQI
2nd Dec 2025341 PMAQI
2nd Dec 2025362 PMAQI
2nd Dec 2025373 PMAQI
2nd Dec 2025414 PMAQI
2nd Dec 2025445 PMAQI
2nd Dec 2025446 PMAQI
2nd Dec 2025427 PMAQI
2nd Dec 2025428 PMAQI
2nd Dec 2025419 PMAQI
2nd Dec 20254510 PMAQI
2nd Dec 20254311 PMAQI
3rd Dec 20254112 AMAQI
3rd Dec 2025441 AMAQI
3rd Dec 2025532 AMAQI
3rd Dec 2025583 AMAQI
3rd Dec 2025604 AMAQI
3rd Dec 2025735 AMAQI
22°C20/24°C
3rd Dec 2025746 AMAQI
3rd Dec 2025707 AMAQI
3rd Dec 2025688 AMAQI
3rd Dec 2025689 AMAQI
3rd Dec 20257010 AMAQI
3rd Dec 20257211 AMAQI
3rd Dec 20257412 PMAQI
3rd Dec 2025761 PMAQI
3rd Dec 2025812 PMAQI
3rd Dec 2025813 PMAQI
3rd Dec 2025804 PMAQI
3rd Dec 2025765 PMAQI
3rd Dec 2025746 PMAQI
3rd Dec 2025737 PMAQI
3rd Dec 2025668 PMAQI
3rd Dec 2025629 PMAQI
3rd Dec 20256410 PMAQI
3rd Dec 20256011 PMAQI
4th Dec 20256012 AMAQI
4th Dec 2025601 AMAQI
4th Dec 2025612 AMAQI
4th Dec 2025653 AMAQI
4th Dec 2025624 AMAQI
4th Dec 2025585 AMAQI
18°C16/19°C
4th Dec 2025516 AMAQI
4th Dec 2025447 AMAQI
4th Dec 2025448 AMAQI
4th Dec 2025409 AMAQI
4th Dec 20254110 AMAQI
4th Dec 20254411 AMAQI
4th Dec 20253312 PMAQI
4th Dec 2025311 PMAQI
4th Dec 2025332 PMAQI
4th Dec 2025283 PMAQI
4th Dec 2025284 PMAQI
4th Dec 2025305 PMAQI
4th Dec 2025246 PMAQI
4th Dec 2025267 PMAQI
4th Dec 2025248 PMAQI
4th Dec 2025249 PMAQI
4th Dec 20252410 PMAQI
4th Dec 20252211 PMAQI
5th Dec 20252212 AMAQI
5th Dec 2025241 AMAQI
5th Dec 2025212 AMAQI
5th Dec 2025263 AMAQI
5th Dec 2025264 AMAQI
5th Dec 2025225 AMAQI
18°C16/20°C
5th Dec 2025216 AMAQI
5th Dec 2025197 AMAQI
5th Dec 2025208 AMAQI
5th Dec 2025199 AMAQI
5th Dec 20251910 AMAQI
5th Dec 20252711 AMAQI
5th Dec 20252812 PMAQI
5th Dec 2025311 PMAQI
5th Dec 2025302 PMAQI
5th Dec 2025343 PMAQI
5th Dec 2025284 PMAQI
5th Dec 2025275 PMAQI
5th Dec 2025256 PMAQI
5th Dec 2025227 PMAQI
5th Dec 2025218 PMAQI
5th Dec 2025269 PMAQI
5th Dec 20252810 PMAQI
5th Dec 20253011 PMAQI
6th Dec 20254112 AMAQI
6th Dec 2025351 AMAQI
6th Dec 2025342 AMAQI
6th Dec 2025283 AMAQI
6th Dec 2025294 AMAQI
6th Dec 2025265 AMAQI
19°C18/21°C
6th Dec 2025316 AMAQI
6th Dec 2025387 AMAQI
6th Dec 2025378 AMAQI
6th Dec 2025429 AMAQI
6th Dec 20254210 AMAQI
6th Dec 20253511 AMAQI
6th Dec 20252812 PMAQI
6th Dec 2025271 PMAQI
6th Dec 2025272 PMAQI
6th Dec 2025353 PMAQI
6th Dec 2025384 PMAQI
6th Dec 2025485 PMAQI
6th Dec 2025486 PMAQI
6th Dec 2025447 PMAQI
6th Dec 2025368 PMAQI
6th Dec 2025369 PMAQI
6th Dec 20253710 PMAQI
6th Dec 20254011 PMAQI
7th Dec 20253912 AMAQI
7th Dec 2025391 AMAQI
7th Dec 2025432 AMAQI
7th Dec 2025563 AMAQI
7th Dec 2025564 AMAQI
7th Dec 2025465 AMAQI
20°C17/23°C
7th Dec 2025386 AMAQI
7th Dec 2025357 AMAQI
7th Dec 2025358 AMAQI
7th Dec 2025469 AMAQI
7th Dec 20255210 AMAQI
7th Dec 20255111 AMAQI
7th Dec 20255212 PMAQI
7th Dec 2025431 PMAQI
7th Dec 2025432 PMAQI
7th Dec 2025503 PMAQI
7th Dec 2025554 PMAQI
7th Dec 2025565 PMAQI
7th Dec 2025776 PMAQI
7th Dec 2025697 PMAQI
7th Dec 2025648 PMAQI
7th Dec 2025659 PMAQI
7th Dec 20257510 PMAQI
7th Dec 20257611 PMAQI
8th Dec 20257712 AMAQI
8th Dec 2025761 AMAQI
8th Dec 2025722 AMAQI
8th Dec 2025453 AMAQI
8th Dec 2025374 AMAQI
8th Dec 2025355 AMAQI
21°C18/24°C
8th Dec 2025366 AMAQI
8th Dec 2025397 AMAQI
8th Dec 2025378 AMAQI
8th Dec 2025369 AMAQI
8th Dec 20253810 AMAQI
8th Dec 20253511 AMAQI
8th Dec 20253812 PMAQI
8th Dec 2025441 PMAQI
8th Dec 2025332 PMAQI
8th Dec 2025383 PMAQI
8th Dec 2025424 PMAQI
8th Dec 2025455 PMAQI
8th Dec 2025476 PMAQI
8th Dec 2025517 PMAQI
8th Dec 2025538 PMAQI
8th Dec 2025589 PMAQI
8th Dec 20256010 PMAQI
8th Dec 20255711 PMAQI
9th Dec 20255012 AMAQI
9th Dec 2025451 AMAQI
9th Dec 2025422 AMAQI
9th Dec 2025423 AMAQI
9th Dec 2025264 AMAQI
9th Dec 2025335 AMAQI
21°C19/24°C
9th Dec 2025516 AMAQI
9th Dec 2025547 AMAQI
9th Dec 2025568 AMAQI
9th Dec 2025559 AMAQI
9th Dec 20255410 AMAQI
9th Dec 20255511 AMAQI
9th Dec 20255312 PMAQI
9th Dec 2025531 PMAQI
9th Dec 2025522 PMAQI
9th Dec 2025543 PMAQI
9th Dec 2025494 PMAQI
9th Dec 2025385 PMAQI
9th Dec 2025386 PMAQI
9th Dec 2025407 PMAQI
9th Dec 2025378 PMAQI
9th Dec 2025389 PMAQI
9th Dec 20253810 PMAQI
9th Dec 20254411 PMAQI
10th Dec 20254612 AMAQI
10th Dec 2025431 AMAQI
10th Dec 2025432 AMAQI
10th Dec 2025443 AMAQI
10th Dec 2025474 AMAQI
10th Dec 2025545 AMAQI
21°C19/24°C
10th Dec 2025556 AMAQI
6 AM10th Dec 2025557 AMAQI
10th Dec 2025548 AMAQI
10th Dec 2025559 AMAQI
10th Dec 20255610 AMAQI
10th Dec 20254711 AMAQI
11 AM10th Dec 20254412 PMAQI
10th Dec 2025431 PMAQI
10th Dec 2025422 PMAQI
10th Dec 2025423 PMAQI
10th Dec 2025474 PMAQI
10th Dec 2025485 PMAQI
5 PM10th Dec 2025466 PMAQI
10th Dec 2025497 PMAQI
10th Dec 2025458 PMAQI
10th Dec 2025519 PMAQI
10th Dec 20255110 PMAQI
11 PM
5 AM
--°C/°C
Day time
Avg. Highest Time
10 AM - 5 PM
47AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
8 AM - 9 AM
45AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 5 PM (Avg. 47), while the lowest AQI was between 8 AM to 9 AM (Avg. 45).
Night time
Avg. Highest Time
6 PM - 11 PM
51AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
12 AM - 5 AM
49AQI
6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 PM to 11 PM (Avg. 51), while the lowest AQI was between 12 AM to 5 AM (Avg. 49).
2025 Days Vs Air Quality
Hsinchu, Hsinchu, Taiwan
2025
57%
197
42%
145
0.2%
1
Total number of days with different AQI categories in last 344 days in 2025 (21 days remaining)
Good
197 DaysModerate
145 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 57%
Health Risk Level:
Considerable
In 2025, 57% of 344 days were within WHO’s safe air quality limits, and 43% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Hsinchu, Hsinchu, 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
84AQI
84AQI
2nd January 2025
53AQI
53AQI
3rd January 2025
61AQI
61AQI
4th January 2025
46AQI
46AQI
5th January 2025
58AQI
58AQI
6th January 2025
72AQI
72AQI
7th January 2025
61AQI
61AQI
8th January 2025
55AQI
55AQI
9th January 2025
62AQI
62AQI
10th January 2025
50AQI
50AQI
11th January 2025
43AQI
43AQI
12th January 2025
48AQI
48AQI
13th January 2025
51AQI
51AQI
14th January 2025
67AQI
67AQI
15th January 2025
77AQI
77AQI
16th January 2025
56AQI
56AQI
17th January 2025
53AQI
53AQI
18th January 2025
57AQI
57AQI
19th January 2025
56AQI
56AQI
20th January 2025
65AQI
65AQI
21st January 2025
70AQI
70AQI
22nd January 2025
85AQI
85AQI
23rd January 2025
61AQI
61AQI
24th January 2025
66AQI
66AQI
25th January 2025
62AQI
62AQI
26th January 2025
55AQI
55AQI
27th January 2025
55AQI
55AQI
28th January 2025
55AQI
55AQI
29th January 2025
50AQI
50AQI
30th January 2025
59AQI
59AQI
31st January 2025
67AQI
67AQI
1st February 2025
52AQI
52AQI
2nd February 2025
46AQI
46AQI
3rd February 2025
53AQI
53AQI
4th February 2025
70AQI
70AQI
5th February 2025
55AQI
55AQI
6th February 2025
61AQI
61AQI
7th February 2025
46AQI
46AQI
8th February 2025
56AQI
56AQI
9th February 2025
40AQI
40AQI
10th February 2025
48AQI
48AQI
11th February 2025
50AQI
50AQI
12th February 2025
69AQI
69AQI
13th February 2025
47AQI
47AQI
14th February 2025
61AQI
61AQI
15th February 2025
52AQI
52AQI
16th February 2025
68AQI
68AQI
17th February 2025
80AQI
80AQI
18th February 2025
49AQI
49AQI
19th February 2025
49AQI
49AQI
20th February 2025
57AQI
57AQI
21st February 2025
40AQI
40AQI
22nd February 2025
42AQI
42AQI
23rd February 2025
36AQI
36AQI
24th February 2025
54AQI
54AQI
25th February 2025
65AQI
65AQI
26th February 2025
55AQI
55AQI
27th February 2025
114AQI
114AQI
28th February 2025
74AQI
74AQI
1st March 2025
81AQI
81AQI
2nd March 2025
61AQI
61AQI
3rd March 2025
70AQI
70AQI
4th March 2025
48AQI
48AQI
5th March 2025
41AQI
41AQI
6th March 2025
43AQI
43AQI
7th March 2025
50AQI
50AQI
8th March 2025
49AQI
49AQI
9th March 2025
50AQI
50AQI
10th March 2025
66AQI
66AQI
11th March 2025
81AQI
81AQI
12th March 2025
67AQI
67AQI
13th March 2025
64AQI
64AQI
14th March 2025
65AQI
65AQI
15th March 2025
47AQI
47AQI
16th March 2025
56AQI
56AQI
17th March 2025
68AQI
68AQI
18th March 2025
55AQI
55AQI
19th March 2025
67AQI
67AQI
20th March 2025
62AQI
62AQI
21st March 2025
60AQI
60AQI
22nd March 2025
68AQI
68AQI
23rd March 2025
70AQI
70AQI
24th March 2025
66AQI
66AQI
25th March 2025
66AQI
66AQI
26th March 2025
66AQI
66AQI
27th March 2025
61AQI
61AQI
28th March 2025
63AQI
63AQI
29th March 2025
45AQI
45AQI
30th March 2025
36AQI
36AQI
31st March 2025
32AQI
32AQI
1st April 2025
39AQI
39AQI
2nd April 2025
48AQI
48AQI
3rd April 2025
46AQI
46AQI
4th April 2025
69AQI
69AQI
5th April 2025
65AQI
65AQI
6th April 2025
63AQI
63AQI
7th April 2025
70AQI
70AQI
8th April 2025
78AQI
78AQI
9th April 2025
74AQI
74AQI
10th April 2025
68AQI
68AQI
11th April 2025
74AQI
74AQI
12th April 2025
59AQI
59AQI
13th April 2025
84AQI
84AQI
14th April 2025
74AQI
74AQI
15th April 2025
81AQI
81AQI
16th April 2025
78AQI
78AQI
17th April 2025
79AQI
79AQI
18th April 2025
69AQI
69AQI
19th April 2025
66AQI
66AQI
20th April 2025
58AQI
58AQI
21st April 2025
62AQI
62AQI
22nd April 2025
59AQI
59AQI
23rd April 2025
52AQI
52AQI
24th April 2025
56AQI
56AQI
25th April 2025
44AQI
44AQI
26th April 2025
48AQI
48AQI
27th April 2025
52AQI
52AQI
28th April 2025
55AQI
55AQI
29th April 2025
58AQI
58AQI
30th April 2025
65AQI
65AQI
1st May 2025
63AQI
63AQI
2nd May 2025
68AQI
68AQI
3rd May 2025
67AQI
67AQI
4th May 2025
71AQI
71AQI
5th May 2025
63AQI
63AQI
6th May 2025
64AQI
64AQI
7th May 2025
50AQI
50AQI
8th May 2025
58AQI
58AQI
9th May 2025
47AQI
47AQI
10th May 2025
43AQI
43AQI
11th May 2025
41AQI
41AQI
12th May 2025
54AQI
54AQI
13th May 2025
60AQI
60AQI
14th May 2025
55AQI
55AQI
15th May 2025
51AQI
51AQI
16th May 2025
44AQI
44AQI
17th May 2025
42AQI
42AQI
18th May 2025
34AQI
34AQI
19th May 2025
38AQI
38AQI
20th May 2025
39AQI
39AQI
21st May 2025
34AQI
34AQI
22nd May 2025
45AQI
45AQI
23rd May 2025
42AQI
42AQI
24th May 2025
35AQI
35AQI
25th May 2025
56AQI
56AQI
26th May 2025
51AQI
51AQI
27th May 2025
47AQI
47AQI
28th May 2025
44AQI
44AQI
29th May 2025
32AQI
32AQI
30th May 2025
51AQI
51AQI
31st May 2025
54AQI
54AQI
1st June 2025
57AQI
57AQI
2nd June 2025
45AQI
45AQI
3rd June 2025
36AQI
36AQI
4th June 2025
35AQI
35AQI
5th June 2025
40AQI
40AQI
6th June 2025
38AQI
38AQI
7th June 2025
38AQI
38AQI
8th June 2025
29AQI
29AQI
9th June 2025
34AQI
34AQI
10th June 2025
36AQI
36AQI
11th June 2025
36AQI
36AQI
12th June 2025
40AQI
40AQI
13th June 2025
29AQI
29AQI
14th June 2025
32AQI
32AQI
15th June 2025
35AQI
35AQI
16th June 2025
34AQI
34AQI
17th June 2025
31AQI
31AQI
18th June 2025
36AQI
36AQI
19th June 2025
35AQI
35AQI
20th June 2025
34AQI
34AQI
21st June 2025
31AQI
31AQI
22nd June 2025
25AQI
25AQI
23rd June 2025
27AQI
27AQI
24th June 2025
29AQI
29AQI
25th June 2025
30AQI
30AQI
26th June 2025
31AQI
31AQI
27th June 2025
27AQI
27AQI
28th June 2025
28AQI
28AQI
29th June 2025
30AQI
30AQI
30th June 2025
32AQI
32AQI
1st July 2025
40AQI
40AQI
2nd July 2025
41AQI
41AQI
3rd July 2025
44AQI
44AQI
4th July 2025
47AQI
47AQI
5th July 2025
35AQI
35AQI
6th July 2025
36AQI
36AQI
7th July 2025
32AQI
32AQI
8th July 2025
40AQI
40AQI
9th July 2025
39AQI
39AQI
10th July 2025
37AQI
37AQI
11th July 2025
37AQI
37AQI
12th July 2025
43AQI
43AQI
13th July 2025
47AQI
47AQI
14th July 2025
49AQI
49AQI
15th July 2025
47AQI
47AQI
16th July 2025
47AQI
47AQI
17th July 2025
48AQI
48AQI
18th July 2025
46AQI
46AQI
19th July 2025
43AQI
43AQI
20th July 2025
44AQI
44AQI
21st July 2025
36AQI
36AQI
22nd July 2025
38AQI
38AQI
23rd July 2025
36AQI
36AQI
24th July 2025
35AQI
35AQI
25th July 2025
35AQI
35AQI
26th July 2025
33AQI
33AQI
27th July 2025
40AQI
40AQI
28th July 2025
32AQI
32AQI
29th July 2025
30AQI
30AQI
30th July 2025
34AQI
34AQI
31st July 2025
34AQI
34AQI
1st August 2025
45AQI
45AQI
2nd August 2025
44AQI
44AQI
3rd August 2025
43AQI
43AQI
4th August 2025
42AQI
42AQI
5th August 2025
48AQI
48AQI
6th August 2025
48AQI
48AQI
7th August 2025
49AQI
49AQI
8th August 2025
52AQI
52AQI
9th August 2025
46AQI
46AQI
10th August 2025
40AQI
40AQI
11th August 2025
40AQI
40AQI
12th August 2025
45AQI
45AQI
13th August 2025
43AQI
43AQI
14th August 2025
37AQI
37AQI
15th August 2025
36AQI
36AQI
16th August 2025
34AQI
34AQI
17th August 2025
37AQI
37AQI
18th August 2025
40AQI
40AQI
19th August 2025
41AQI
41AQI
20th August 2025
39AQI
39AQI
21st August 2025
39AQI
39AQI
22nd August 2025
44AQI
44AQI
23rd August 2025
43AQI
43AQI
24th August 2025
46AQI
46AQI
25th August 2025
44AQI
44AQI
26th August 2025
39AQI
39AQI
27th August 2025
40AQI
40AQI
28th August 2025
41AQI
41AQI
29th August 2025
40AQI
40AQI
30th August 2025
41AQI
41AQI
31st August 2025
43AQI
43AQI
1st September 2025
49AQI
49AQI
2nd September 2025
45AQI
45AQI
3rd September 2025
50AQI
50AQI
4th September 2025
44AQI
44AQI
5th September 2025
47AQI
47AQI
6th September 2025
52AQI
52AQI
7th September 2025
45AQI
45AQI
8th September 2025
37AQI
37AQI
9th September 2025
40AQI
40AQI
10th September 2025
43AQI
43AQI
11th September 2025
42AQI
42AQI
12th September 2025
45AQI
45AQI
13th September 2025
43AQI
43AQI
14th September 2025
46AQI
46AQI
15th September 2025
45AQI
45AQI
16th September 2025
52AQI
52AQI
17th September 2025
52AQI
52AQI
18th September 2025
57AQI
57AQI
19th September 2025
57AQI
57AQI
20th September 2025
45AQI
45AQI
21st September 2025
41AQI
41AQI
22nd September 2025
36AQI
36AQI
23rd September 2025
44AQI
44AQI
24th September 2025
40AQI
40AQI
25th September 2025
46AQI
46AQI
26th September 2025
46AQI
46AQI
27th September 2025
44AQI
44AQI
28th September 2025
51AQI
51AQI
29th September 2025
48AQI
48AQI
30th September 2025
39AQI
39AQI
1st October 2025
40AQI
40AQI
2nd October 2025
58AQI
58AQI
3rd October 2025
55AQI
55AQI
4th October 2025
63AQI
63AQI
5th October 2025
57AQI
57AQI
6th October 2025
56AQI
56AQI
7th October 2025
54AQI
54AQI
8th October 2025
51AQI
51AQI
9th October 2025
51AQI
51AQI
10th October 2025
46AQI
46AQI
11th October 2025
55AQI
55AQI
12th October 2025
56AQI
56AQI
13th October 2025
65AQI
65AQI
14th October 2025
64AQI
64AQI
15th October 2025
67AQI
67AQI
16th October 2025
68AQI
68AQI
17th October 2025
65AQI
65AQI
18th October 2025
69AQI
69AQI
19th October 2025
38AQI
38AQI
20th October 2025
56AQI
56AQI
21st October 2025
48AQI
48AQI
22nd October 2025
26AQI
26AQI
23rd October 2025
29AQI
29AQI
24th October 2025
30AQI
30AQI
25th October 2025
32AQI
32AQI
26th October 2025
39AQI
39AQI
27th October 2025
33AQI
33AQI
28th October 2025
21AQI
21AQI
29th October 2025
19AQI
19AQI
30th October 2025
36AQI
36AQI
31st October 2025
37AQI
37AQI
1st November 2025
37AQI
37AQI
2nd November 2025
43AQI
43AQI
3rd November 2025
48AQI
48AQI
4th November 2025
14AQI
14AQI
5th November 2025
19AQI
19AQI
6th November 2025
24AQI
24AQI
7th November 2025
35AQI
35AQI
8th November 2025
55AQI
55AQI
9th November 2025
42AQI
42AQI
10th November 2025
28AQI
28AQI
11th November 2025
22AQI
22AQI
12th November 2025
18AQI
18AQI
13th November 2025
20AQI
20AQI
14th November 2025
47AQI
47AQI
15th November 2025
50AQI
50AQI
16th November 2025
45AQI
45AQI
17th November 2025
55AQI
55AQI
18th November 2025
39AQI
39AQI
19th November 2025
62AQI
62AQI
20th November 2025
56AQI
56AQI
21st November 2025
55AQI
55AQI
22nd November 2025
51AQI
51AQI
23rd November 2025
55AQI
55AQI
24th November 2025
59AQI
59AQI
25th November 2025
73AQI
73AQI
26th November 2025
58AQI
58AQI
27th November 2025
37AQI
37AQI
28th November 2025
90AQI
90AQI
29th November 2025
68AQI
68AQI
30th November 2025
65AQI
65AQI
1st December 2025
53AQI
53AQI
2nd December 2025
36AQI
36AQI
3rd December 2025
64AQI
64AQI
4th December 2025
40AQI
40AQI
5th December 2025
25AQI
25AQI
6th December 2025
36AQI
36AQI
7th December 2025
55AQI
55AQI
8th December 2025
51AQI
51AQI
9th December 2025
45AQI
45AQI
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
60AQI
57AQI
59AQI
63AQI
50AQI
34AQI
40AQI
42AQI
46AQI
48AQI
46AQI
45AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202549AQI
5
26
11
16
1
10
21
5
25
16
15
29
1
31
30
1
24
6
14
17
17
13
5
4
197
145
1
Highest AQI recorded in
April63AQI
Lowest AQI recorded in
June34AQI
202449AQI
6
24
1
8
20
1
4
25
2
7
23
14
17
29
31
23
8
22
8
27
4
24
5
1
12
19
207
153
5
Highest AQI recorded in
March71AQI
Lowest AQI recorded in
July31AQI
202349AQI
14
17
12
15
1
8
23
5
24
1
10
21
27
3
28
3
31
21
9
23
8
16
13
15
16
210
152
2
Highest AQI recorded in
April68AQI
Lowest AQI recorded in
July32AQI
202244AQI
16
14
15
6
7
20
4
8
21
30
1
30
21
1
17
11
27
4
23
7
22
9
217
93
4
Highest AQI recorded in
March70AQI
Lowest AQI recorded in
June25AQI
202152AQI
8
21
5
16
7
2
25
4
7
23
23
8
30
27
4
26
5
14
16
19
12
19
11
17
14
197
155
11
Highest AQI recorded in
February76AQI
Lowest AQI recorded in
June32AQI
202045AQI
4
9
3
18
15
3
30
30
1
26
5
14
16
22
9
21
9
23
8
188
78
Highest AQI recorded in
March64AQI
Lowest AQI recorded in
June33AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
52AQILeast Polluted Year Recorded
2022(Avg.)
44AQIHsinchu's annual 2025 AQI (49) shows an average percentage change of 3.3% (worsened AQI) compared to previous years: 2020 (45), 2021 (52), 2022 (44), 2023 (49), 2024 (49).
