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HistoryAQIPM2.5PM10COSO2NO2O3

Talcahuano, Biobio, Chile 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

Talcahuano, Biobio, Chile

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
7th Oct 2021
77AQI
Lowest AQI recorded on
29th Oct 2022
19AQI

Same Day Analysis (4th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 41 of Good air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 4th Oct - 5th Oct 2025

Talcahuano, Biobio, Chile

AQI
Day
Night
.

7 AM4th Oct 2025

7 PM

6 AM5th Oct 2025

Day time
Avg. Highest Time
1PM4th Oct

59AQI

Avg. Lowest Time
4PM4th Oct

15AQI

Night time
Avg. Highest Time
1AM5th Oct

56AQI

Avg. Lowest Time
9PM4th Oct

12AQI

In the last 24 hours,

Talcahuano's AQI reached its highest point of 59 at 1 PM during the Day, while the lowest point, 12, was recorded at 9 PM during the Night between 4th Oct and 5th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Talcahuano, Biobio, Chile

SepOct
05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 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
Day
Night
5th Sep 2025647 AMAQI
5th Sep 2025738 AMAQI
5th Sep 2025959 AMAQI
5th Sep 20258510 AMAQI
5th Sep 20257111 AMAQI
5th Sep 20256712 PMAQI
5th Sep 2025631 PMAQI
5th Sep 2025702 PMAQI
5th Sep 2025763 PMAQI
5th Sep 2025794 PMAQI
5th Sep 2025745 PMAQI
5th Sep 2025796 PMAQI
5th Sep 2025747 PMAQI
5th Sep 2025788 PMAQI
5th Sep 2025809 PMAQI
5th Sep 20258110 PMAQI
5th Sep 20257011 PMAQI
6th Sep 20256912 AMAQI
6th Sep 2025601 AMAQI
6th Sep 2025562 AMAQI
6th Sep 2025523 AMAQI
6th Sep 2025644 AMAQI
6th Sep 2025485 AMAQI
6th Sep 2025466 AMAQI

10°C6/13°C

6th Sep 2025487 AMAQI
6th Sep 2025538 AMAQI
6th Sep 2025539 AMAQI
6th Sep 20255610 AMAQI
6th Sep 20255411 AMAQI
6th Sep 20255712 PMAQI
6th Sep 2025581 PMAQI
6th Sep 2025582 PMAQI
6th Sep 2025563 PMAQI
6th Sep 2025584 PMAQI
6th Sep 2025615 PMAQI
6th Sep 2025626 PMAQI
6th Sep 2025597 PMAQI
6th Sep 2025618 PMAQI
6th Sep 2025639 PMAQI
6th Sep 20256110 PMAQI
6th Sep 20255811 PMAQI
7th Sep 2025481 AMAQI
7th Sep 2025612 AMAQI
7th Sep 2025483 AMAQI
7th Sep 2025364 AMAQI
7th Sep 2025275 AMAQI
7th Sep 2025286 AMAQI

11°C9/12°C

7th Sep 2025317 AMAQI
7th Sep 2025328 AMAQI
7th Sep 2025299 AMAQI
7th Sep 20253610 AMAQI
7th Sep 20253411 AMAQI
7th Sep 20253612 PMAQI
7th Sep 2025341 PMAQI
7th Sep 2025352 PMAQI
7th Sep 2025343 PMAQI
7th Sep 2025384 PMAQI
7th Sep 2025455 PMAQI
7th Sep 2025436 PMAQI
7th Sep 2025367 PMAQI
7th Sep 2025428 PMAQI
7th Sep 2025469 PMAQI
7th Sep 20254810 PMAQI
7th Sep 20254611 PMAQI
8th Sep 20254012 AMAQI
8th Sep 2025381 AMAQI
8th Sep 2025452 AMAQI
8th Sep 2025273 AMAQI
8th Sep 2025414 AMAQI
8th Sep 2025405 AMAQI
8th Sep 2025206 AMAQI

11°C9/11°C

8th Sep 2025227 AMAQI
8th Sep 2025288 AMAQI
8th Sep 2025269 AMAQI
8th Sep 20253010 AMAQI
8th Sep 20253611 AMAQI
8th Sep 20253212 PMAQI
8th Sep 2025271 PMAQI
8th Sep 2025312 PMAQI
8th Sep 2025333 PMAQI
8th Sep 2025354 PMAQI
8th Sep 2025375 PMAQI
8th Sep 2025436 PMAQI
8th Sep 2025367 PMAQI
8th Sep 2025388 PMAQI
8th Sep 2025379 PMAQI
8th Sep 20253610 PMAQI
8th Sep 20253711 PMAQI
9th Sep 20253412 AMAQI
9th Sep 2025361 AMAQI
9th Sep 2025252 AMAQI
9th Sep 2025163 AMAQI
9th Sep 2025224 AMAQI
9th Sep 2025275 AMAQI
9th Sep 2025156 AMAQI

12°C11/12°C

9th Sep 2025167 AMAQI
9th Sep 2025178 AMAQI
9th Sep 2025219 AMAQI
9th Sep 20252010 AMAQI
9th Sep 20253011 AMAQI
9th Sep 20252212 PMAQI
9th Sep 2025261 PMAQI
9th Sep 2025242 PMAQI
9th Sep 2025253 PMAQI
9th Sep 2025264 PMAQI
9th Sep 2025335 PMAQI
9th Sep 2025316 PMAQI
9th Sep 2025347 PMAQI
9th Sep 2025268 PMAQI
9th Sep 2025249 PMAQI
9th Sep 20254510 PMAQI
9th Sep 20252511 PMAQI
10th Sep 20253012 AMAQI
10th Sep 2025331 AMAQI
10th Sep 2025222 AMAQI
10th Sep 2025293 AMAQI
10th Sep 2025324 AMAQI
10th Sep 2025265 AMAQI
10th Sep 2025386 AMAQI

12°C11/13°C

10th Sep 2025307 AMAQI
10th Sep 2025418 AMAQI
10th Sep 2025429 AMAQI
10th Sep 20254910 AMAQI
10th Sep 20254511 AMAQI
10th Sep 20254412 PMAQI
10th Sep 2025481 PMAQI
10th Sep 2025352 PMAQI
10th Sep 2025423 PMAQI
10th Sep 2025354 PMAQI
10th Sep 2025365 PMAQI
10th Sep 2025356 PMAQI
10th Sep 2025337 PMAQI
10th Sep 2025348 PMAQI
10th Sep 2025349 PMAQI
10th Sep 20254210 PMAQI
10th Sep 20253511 PMAQI
11th Sep 20254212 AMAQI
11th Sep 2025401 AMAQI
11th Sep 2025752 AMAQI
11th Sep 20251013 AMAQI
11th Sep 2025654 AMAQI
11th Sep 2025585 AMAQI
11th Sep 2025366 AMAQI

12°C10/13°C

11th Sep 2025467 AMAQI
11th Sep 2025508 AMAQI
11th Sep 2025639 AMAQI
11th Sep 20256210 AMAQI
11th Sep 20256011 AMAQI
11th Sep 20256212 PMAQI
11th Sep 2025611 PMAQI
11th Sep 2025622 PMAQI
11th Sep 2025513 PMAQI
11th Sep 2025604 PMAQI
11th Sep 2025605 PMAQI
11th Sep 2025606 PMAQI
11th Sep 2025587 PMAQI
11th Sep 2025628 PMAQI
11th Sep 2025589 PMAQI
11th Sep 20255910 PMAQI
11th Sep 20256111 PMAQI
12th Sep 20255912 AMAQI
12th Sep 2025651 AMAQI
12th Sep 2025622 AMAQI
12th Sep 2025783 AMAQI
12th Sep 2025654 AMAQI
12th Sep 2025825 AMAQI
12th Sep 2025926 AMAQI

11°C9/13°C

12th Sep 2025917 AMAQI
12th Sep 2025748 AMAQI
12th Sep 2025679 AMAQI
12th Sep 20256710 AMAQI
12th Sep 20256411 AMAQI
12th Sep 20256312 PMAQI
12th Sep 2025651 PMAQI
12th Sep 2025642 PMAQI
12th Sep 2025613 PMAQI
12th Sep 2025734 PMAQI
12th Sep 2025705 PMAQI
12th Sep 2025706 PMAQI
12th Sep 2025727 PMAQI
12th Sep 2025708 PMAQI
12th Sep 2025749 PMAQI
12th Sep 20256910 PMAQI
12th Sep 20256311 PMAQI
13th Sep 20257012 AMAQI
13th Sep 2025621 AMAQI
13th Sep 2025352 AMAQI
13th Sep 2025233 AMAQI
13th Sep 2025234 AMAQI
13th Sep 2025165 AMAQI
13th Sep 2025146 AMAQI

11°C9/12°C

13th Sep 2025247 AMAQI
13th Sep 2025278 AMAQI
13th Sep 2025339 AMAQI
13th Sep 20253410 AMAQI
13th Sep 20253011 AMAQI
13th Sep 20254212 PMAQI
13th Sep 2025321 PMAQI
13th Sep 2025322 PMAQI
13th Sep 2025323 PMAQI
13th Sep 2025364 PMAQI
13th Sep 2025385 PMAQI
13th Sep 2025446 PMAQI
13th Sep 2025387 PMAQI
13th Sep 2025388 PMAQI
13th Sep 2025409 PMAQI
13th Sep 20254210 PMAQI
13th Sep 20254311 PMAQI
14th Sep 20254012 AMAQI
14th Sep 2025501 AMAQI
14th Sep 2025782 AMAQI
14th Sep 2025953 AMAQI
14th Sep 2025664 AMAQI
14th Sep 2025585 AMAQI
14th Sep 2025566 AMAQI

12°C10/13°C

14th Sep 2025627 AMAQI
14th Sep 2025618 AMAQI
14th Sep 2025609 AMAQI
14th Sep 20255110 AMAQI
14th Sep 20255411 AMAQI
14th Sep 20254912 PMAQI
14th Sep 2025561 PMAQI
14th Sep 2025512 PMAQI
14th Sep 2025443 PMAQI
14th Sep 2025564 PMAQI
14th Sep 2025585 PMAQI
14th Sep 2025586 PMAQI
14th Sep 2025587 PMAQI
14th Sep 2025578 PMAQI
14th Sep 2025569 PMAQI
14th Sep 20255610 PMAQI
14th Sep 20255711 PMAQI
15th Sep 20255212 AMAQI
15th Sep 2025571 AMAQI
15th Sep 2025492 AMAQI
15th Sep 2025483 AMAQI
15th Sep 2025664 AMAQI
15th Sep 2025345 AMAQI
15th Sep 2025366 AMAQI

11°C9/13°C

15th Sep 2025297 AMAQI
15th Sep 2025448 AMAQI
15th Sep 2025569 AMAQI
15th Sep 20255410 AMAQI
15th Sep 20255511 AMAQI
15th Sep 20255312 PMAQI
15th Sep 2025521 PMAQI
15th Sep 2025462 PMAQI
15th Sep 2025403 PMAQI
15th Sep 2025384 PMAQI
15th Sep 2025475 PMAQI
15th Sep 2025506 PMAQI
15th Sep 2025527 PMAQI
15th Sep 2025528 PMAQI
15th Sep 2025539 PMAQI
15th Sep 20255310 PMAQI
15th Sep 20254811 PMAQI
16th Sep 20255212 AMAQI
16th Sep 2025461 AMAQI
16th Sep 2025622 AMAQI
16th Sep 2025543 AMAQI
16th Sep 2025484 AMAQI
16th Sep 2025525 AMAQI
16th Sep 2025436 AMAQI

11°C8/14°C

16th Sep 2025377 AMAQI
16th Sep 2025538 AMAQI
16th Sep 2025549 AMAQI
16th Sep 20255410 AMAQI
16th Sep 20254911 AMAQI
16th Sep 20255412 PMAQI
16th Sep 2025431 PMAQI
16th Sep 2025382 PMAQI
16th Sep 2025343 PMAQI
16th Sep 2025534 PMAQI
16th Sep 2025535 PMAQI
16th Sep 2025506 PMAQI
16th Sep 2025477 PMAQI
16th Sep 2025548 PMAQI
16th Sep 2025509 PMAQI
16th Sep 20255210 PMAQI
16th Sep 20254711 PMAQI
17th Sep 20255212 AMAQI
17th Sep 2025461 AMAQI
17th Sep 2025702 AMAQI
17th Sep 2025583 AMAQI
17th Sep 2025524 AMAQI
17th Sep 2025575 AMAQI
17th Sep 2025396 AMAQI

13°C11/15°C

17th Sep 2025467 AMAQI
17th Sep 2025468 AMAQI
17th Sep 2025479 AMAQI
17th Sep 20255010 AMAQI
17th Sep 20254811 AMAQI
17th Sep 20254112 PMAQI
17th Sep 2025361 PMAQI
17th Sep 2025352 PMAQI
17th Sep 2025363 PMAQI
17th Sep 2025424 PMAQI
17th Sep 2025425 PMAQI
17th Sep 2025466 PMAQI
17th Sep 2025477 PMAQI
17th Sep 2025508 PMAQI
17th Sep 2025509 PMAQI
17th Sep 20254710 PMAQI
17th Sep 20254611 PMAQI
18th Sep 20254612 AMAQI
18th Sep 2025371 AMAQI
18th Sep 2025302 AMAQI
18th Sep 2025193 AMAQI
18th Sep 2025184 AMAQI
18th Sep 2025175 AMAQI
18th Sep 2025186 AMAQI

12°C11/14°C

18th Sep 2025177 AMAQI
18th Sep 2025208 AMAQI
18th Sep 2025209 AMAQI
18th Sep 20251910 AMAQI
18th Sep 20251911 AMAQI
18th Sep 20252112 PMAQI
18th Sep 2025221 PMAQI
18th Sep 2025262 PMAQI
18th Sep 2025293 PMAQI
18th Sep 2025354 PMAQI
18th Sep 2025365 PMAQI
18th Sep 2025356 PMAQI
18th Sep 2025297 PMAQI
18th Sep 2025338 PMAQI
18th Sep 2025349 PMAQI
18th Sep 20255210 PMAQI
18th Sep 20256311 PMAQI
19th Sep 20254812 AMAQI
19th Sep 2025491 AMAQI
19th Sep 2025282 AMAQI
19th Sep 2025303 AMAQI
19th Sep 2025334 AMAQI
19th Sep 2025245 AMAQI
19th Sep 2025166 AMAQI

12°C11/13°C

19th Sep 2025267 AMAQI
19th Sep 2025188 AMAQI
19th Sep 2025229 AMAQI
19th Sep 20252410 AMAQI
19th Sep 20253211 AMAQI
19th Sep 20252512 PMAQI
19th Sep 2025251 PMAQI
19th Sep 2025242 PMAQI
19th Sep 2025353 PMAQI
19th Sep 2025384 PMAQI
19th Sep 2025325 PMAQI
19th Sep 2025326 PMAQI
19th Sep 2025327 PMAQI
19th Sep 2025398 PMAQI
19th Sep 2025329 PMAQI
19th Sep 20252810 PMAQI
19th Sep 20253011 PMAQI
20th Sep 20252912 AMAQI
20th Sep 2025381 AMAQI
20th Sep 2025392 AMAQI
20th Sep 2025283 AMAQI
20th Sep 2025204 AMAQI
20th Sep 2025165 AMAQI
20th Sep 2025146 AMAQI

12°C11/13°C

20th Sep 2025137 AMAQI
20th Sep 2025158 AMAQI
20th Sep 2025169 AMAQI
20th Sep 20251810 AMAQI
20th Sep 20251911 AMAQI
20th Sep 20251912 PMAQI
20th Sep 2025191 PMAQI
20th Sep 2025182 PMAQI
20th Sep 2025213 PMAQI
20th Sep 2025224 PMAQI
20th Sep 2025225 PMAQI
20th Sep 2025236 PMAQI
20th Sep 2025227 PMAQI
20th Sep 2025258 PMAQI
20th Sep 2025249 PMAQI
20th Sep 20253210 PMAQI
20th Sep 20253211 PMAQI
21st Sep 20253612 AMAQI
21st Sep 2025551 AMAQI
21st Sep 2025812 AMAQI
21st Sep 2025643 AMAQI
21st Sep 2025364 AMAQI
21st Sep 2025225 AMAQI
21st Sep 2025166 AMAQI

12°C11/13°C

21st Sep 2025157 AMAQI
21st Sep 2025208 AMAQI
21st Sep 2025269 AMAQI
21st Sep 20252510 AMAQI
21st Sep 20252111 AMAQI
21st Sep 20252212 PMAQI
21st Sep 2025241 PMAQI
21st Sep 2025222 PMAQI
21st Sep 2025263 PMAQI
21st Sep 2025304 PMAQI
21st Sep 2025265 PMAQI
21st Sep 2025266 PMAQI
21st Sep 2025267 PMAQI
21st Sep 2025278 PMAQI
21st Sep 2025269 PMAQI
21st Sep 20254010 PMAQI
21st Sep 20255511 PMAQI
22nd Sep 20256812 AMAQI
22nd Sep 2025841 AMAQI
22nd Sep 20251362 AMAQI
22nd Sep 20251343 AMAQI
22nd Sep 2025864 AMAQI
22nd Sep 2025675 AMAQI
22nd Sep 2025506 AMAQI

11°C9/12°C

22nd Sep 2025277 AMAQI
22nd Sep 2025368 AMAQI
22nd Sep 2025499 AMAQI
22nd Sep 20255410 AMAQI
22nd Sep 20255411 AMAQI
22nd Sep 20255612 PMAQI
22nd Sep 2025551 PMAQI
22nd Sep 2025552 PMAQI
22nd Sep 2025553 PMAQI
22nd Sep 2025584 PMAQI
22nd Sep 2025605 PMAQI
22nd Sep 2025576 PMAQI
22nd Sep 2025557 PMAQI
22nd Sep 2025568 PMAQI
22nd Sep 2025569 PMAQI
22nd Sep 20255710 PMAQI
22nd Sep 20256011 PMAQI
23rd Sep 20255912 AMAQI
23rd Sep 2025631 AMAQI
23rd Sep 2025562 AMAQI
23rd Sep 2025533 AMAQI
23rd Sep 2025494 AMAQI
23rd Sep 2025505 AMAQI
23rd Sep 2025356 AMAQI

10°C7/13°C

23rd Sep 2025317 AMAQI
23rd Sep 2025378 AMAQI
23rd Sep 2025429 AMAQI
23rd Sep 20254410 AMAQI
23rd Sep 20255011 AMAQI
23rd Sep 20254512 PMAQI
23rd Sep 2025411 PMAQI
23rd Sep 2025392 PMAQI
23rd Sep 2025303 PMAQI
23rd Sep 2025344 PMAQI
23rd Sep 2025405 PMAQI
23rd Sep 2025416 PMAQI
23rd Sep 2025427 PMAQI
23rd Sep 2025438 PMAQI
23rd Sep 2025449 PMAQI
23rd Sep 20254510 PMAQI
23rd Sep 20255411 PMAQI
24th Sep 20256112 AMAQI
24th Sep 2025761 AMAQI
24th Sep 2025672 AMAQI
24th Sep 2025553 AMAQI
24th Sep 2025544 AMAQI
24th Sep 2025525 AMAQI
24th Sep 2025566 AMAQI

11°C10/14°C

24th Sep 2025537 AMAQI
24th Sep 2025588 AMAQI
24th Sep 2025579 AMAQI
24th Sep 20256010 AMAQI
24th Sep 20255311 AMAQI
24th Sep 20255712 PMAQI
24th Sep 2025531 PMAQI
24th Sep 2025542 PMAQI
24th Sep 2025503 PMAQI
24th Sep 2025524 PMAQI
24th Sep 2025555 PMAQI
24th Sep 2025546 PMAQI
24th Sep 2025537 PMAQI
24th Sep 2025528 PMAQI
24th Sep 2025559 PMAQI
24th Sep 20255710 PMAQI
24th Sep 20256111 PMAQI
25th Sep 20257112 AMAQI
25th Sep 2025881 AMAQI
25th Sep 2025782 AMAQI
25th Sep 2025443 AMAQI
25th Sep 2025144 AMAQI
25th Sep 2025125 AMAQI
25th Sep 2025126 AMAQI

13°C10/17°C

25th Sep 2025157 AMAQI
25th Sep 2025168 AMAQI
25th Sep 2025159 AMAQI
25th Sep 20252010 AMAQI
25th Sep 20251911 AMAQI
25th Sep 20251412 PMAQI
25th Sep 2025181 PMAQI
25th Sep 2025212 PMAQI
25th Sep 2025223 PMAQI
25th Sep 2025274 PMAQI
25th Sep 2025235 PMAQI
25th Sep 2025236 PMAQI
25th Sep 2025237 PMAQI
25th Sep 2025258 PMAQI
25th Sep 2025329 PMAQI
25th Sep 20252310 PMAQI
25th Sep 20251911 PMAQI
26th Sep 20251612 AMAQI
26th Sep 2025151 AMAQI
26th Sep 2025142 AMAQI
26th Sep 2025143 AMAQI
26th Sep 2025154 AMAQI
26th Sep 2025165 AMAQI
26th Sep 2025176 AMAQI

12°C10/13°C

26th Sep 2025177 AMAQI
26th Sep 2025178 AMAQI
26th Sep 2025189 AMAQI
26th Sep 20252010 AMAQI
26th Sep 20251711 AMAQI
26th Sep 20251712 PMAQI
26th Sep 2025181 PMAQI
26th Sep 2025172 PMAQI
26th Sep 2025173 PMAQI
26th Sep 2025164 PMAQI
26th Sep 2025165 PMAQI
26th Sep 2025166 PMAQI
26th Sep 2025177 PMAQI
26th Sep 2025218 PMAQI
26th Sep 2025239 PMAQI
26th Sep 20252210 PMAQI
26th Sep 20252211 PMAQI
27th Sep 20252312 AMAQI
27th Sep 2025251 AMAQI
27th Sep 2025252 AMAQI
27th Sep 2025263 AMAQI
27th Sep 2025304 AMAQI
27th Sep 2025295 AMAQI
27th Sep 2025296 AMAQI

12°C11/13°C

27th Sep 2025307 AMAQI
27th Sep 2025308 AMAQI
27th Sep 2025329 AMAQI
27th Sep 20253910 AMAQI
27th Sep 20253111 AMAQI
27th Sep 20252512 PMAQI
27th Sep 2025201 PMAQI
27th Sep 2025212 PMAQI
27th Sep 2025173 PMAQI
27th Sep 2025154 PMAQI
27th Sep 2025165 PMAQI
27th Sep 2025306 PMAQI
27th Sep 2025367 PMAQI
27th Sep 2025398 PMAQI
27th Sep 2025429 PMAQI
27th Sep 20254510 PMAQI
27th Sep 20254911 PMAQI
28th Sep 20255412 AMAQI
28th Sep 2025471 AMAQI
28th Sep 2025502 AMAQI
28th Sep 2025593 AMAQI
28th Sep 2025754 AMAQI
28th Sep 2025855 AMAQI
28th Sep 2025676 AMAQI

12°C9/14°C

28th Sep 2025577 AMAQI
28th Sep 2025368 AMAQI
28th Sep 2025209 AMAQI
28th Sep 20251910 AMAQI
28th Sep 20252311 AMAQI
28th Sep 20252212 PMAQI
28th Sep 2025181 PMAQI
28th Sep 2025152 PMAQI
28th Sep 2025173 PMAQI
28th Sep 2025114 PMAQI
28th Sep 2025145 PMAQI
28th Sep 2025116 PMAQI
28th Sep 2025147 PMAQI
28th Sep 2025148 PMAQI
28th Sep 2025149 PMAQI
28th Sep 20251610 PMAQI
28th Sep 20252011 PMAQI
29th Sep 20251512 AMAQI
29th Sep 2025231 AMAQI
29th Sep 2025232 AMAQI
29th Sep 2025203 AMAQI
29th Sep 2025184 AMAQI
29th Sep 2025195 AMAQI
29th Sep 2025236 AMAQI

12°C10/13°C

29th Sep 2025247 AMAQI
29th Sep 2025218 AMAQI
29th Sep 2025299 AMAQI
29th Sep 20253910 AMAQI
29th Sep 20255011 AMAQI
29th Sep 20253812 PMAQI
29th Sep 2025251 PMAQI
29th Sep 2025192 PMAQI
29th Sep 2025163 PMAQI
29th Sep 2025194 PMAQI
29th Sep 2025305 PMAQI
29th Sep 2025226 PMAQI
29th Sep 2025207 PMAQI
29th Sep 2025238 PMAQI
29th Sep 2025229 PMAQI
29th Sep 20252210 PMAQI
29th Sep 20252211 PMAQI
30th Sep 20251912 AMAQI
30th Sep 2025191 AMAQI
30th Sep 2025252 AMAQI
30th Sep 2025303 AMAQI
30th Sep 2025304 AMAQI
30th Sep 2025385 AMAQI
30th Sep 2025406 AMAQI

11°C8/13°C

30th Sep 2025337 AMAQI
30th Sep 2025358 AMAQI
30th Sep 2025429 AMAQI
30th Sep 20255010 AMAQI
30th Sep 20254611 AMAQI
30th Sep 20253912 PMAQI
30th Sep 2025271 PMAQI
30th Sep 2025232 PMAQI
30th Sep 2025223 PMAQI
30th Sep 2025254 PMAQI
30th Sep 2025245 PMAQI
30th Sep 2025326 PMAQI
30th Sep 2025347 PMAQI
30th Sep 2025258 PMAQI
30th Sep 2025169 PMAQI
30th Sep 20251610 PMAQI
30th Sep 20251411 PMAQI
1st Oct 20251612 AMAQI
1st Oct 2025161 AMAQI
1st Oct 2025122 AMAQI
1st Oct 2025133 AMAQI
1st Oct 2025164 AMAQI
1st Oct 2025175 AMAQI
1st Oct 2025246 AMAQI

12°C8/16°C

1st Oct 2025327 AMAQI
1st Oct 2025338 AMAQI
1st Oct 2025309 AMAQI
1st Oct 20253610 AMAQI
1st Oct 20254311 AMAQI
1st Oct 20253812 PMAQI
1st Oct 2025331 PMAQI
1st Oct 2025342 PMAQI
1st Oct 2025343 PMAQI
1st Oct 2025374 PMAQI
1st Oct 2025455 PMAQI
1st Oct 2025486 PMAQI
1st Oct 2025477 PMAQI
1st Oct 2025478 PMAQI
1st Oct 2025459 PMAQI
1st Oct 20254110 PMAQI
1st Oct 20253411 PMAQI
2nd Oct 20253512 AMAQI
2nd Oct 2025351 AMAQI
2nd Oct 2025332 AMAQI
2nd Oct 2025333 AMAQI
2nd Oct 2025314 AMAQI
2nd Oct 2025375 AMAQI
2nd Oct 2025396 AMAQI

12°C9/16°C

2nd Oct 2025397 AMAQI
2nd Oct 2025408 AMAQI
2nd Oct 2025529 AMAQI
2nd Oct 20255610 AMAQI
2nd Oct 20256111 AMAQI
2nd Oct 20255712 PMAQI
2nd Oct 2025511 PMAQI
2nd Oct 2025462 PMAQI
2nd Oct 2025393 PMAQI
2nd Oct 2025394 PMAQI
2nd Oct 2025375 PMAQI
2nd Oct 2025356 PMAQI
2nd Oct 2025347 PMAQI
2nd Oct 2025388 PMAQI
2nd Oct 2025549 PMAQI
2nd Oct 20255610 PMAQI
2nd Oct 20256311 PMAQI
3rd Oct 20256312 AMAQI
3rd Oct 2025621 AMAQI
3rd Oct 2025582 AMAQI
3rd Oct 2025573 AMAQI
3rd Oct 2025504 AMAQI
3rd Oct 2025475 AMAQI
3rd Oct 2025426 AMAQI

12°C9/15°C

3rd Oct 2025407 AMAQI
3rd Oct 2025338 AMAQI
3rd Oct 2025449 AMAQI
3rd Oct 20255310 AMAQI
3rd Oct 20255811 AMAQI
3rd Oct 20253312 PMAQI
3rd Oct 2025141 PMAQI
3rd Oct 2025252 PMAQI
3rd Oct 2025333 PMAQI
3rd Oct 2025454 PMAQI
3rd Oct 2025495 PMAQI
3rd Oct 2025466 PMAQI
3rd Oct 2025347 PMAQI
3rd Oct 2025328 PMAQI
3rd Oct 2025439 PMAQI
3rd Oct 20254010 PMAQI
3rd Oct 20254211 PMAQI
4th Oct 20254312 AMAQI
4th Oct 2025411 AMAQI
4th Oct 2025492 AMAQI
4th Oct 2025473 AMAQI
4th Oct 2025474 AMAQI
4th Oct 2025505 AMAQI
4th Oct 2025456 AMAQI

11°C10/13°C

4th Oct 2025407 AMAQI
4th Oct 2025268 AMAQI
4th Oct 2025449 AMAQI
4th Oct 20253110 AMAQI
4th Oct 20252711 AMAQI
4th Oct 20255312 PMAQI
4th Oct 2025591 PMAQI
4th Oct 2025562 PMAQI
4th Oct 2025273 PMAQI
4th Oct 2025154 PMAQI
4th Oct 2025205 PMAQI
4th Oct 2025236 PMAQI
4th Oct 2025237 PMAQI
4th Oct 2025188 PMAQI
4th Oct 2025129 PMAQI
4th Oct 20251310 PMAQI
4th Oct 20254111 PMAQI
5th Oct 20255212 AMAQI
5th Oct 2025561 AMAQI
5th Oct 2025562 AMAQI
5th Oct 2025483 AMAQI
5th Oct 2025484 AMAQI
5th Oct 2025495 AMAQI
5th Oct 2025556 AMAQI

12°C10/13°C

5th Oct 2025577 AMAQI
7 AM
5th Oct 2025568 AMAQI
5th Oct 2025639 AMAQI
5th Oct 20256010 AMAQI
5th Oct 20255511 AMAQI
5th Oct 20255512 PMAQI
1 PM
7 PM
1 AM
6 AM

--°C/°C

Day time
Avg. Highest Time
9 AM - 12 PM

42AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
3 PM

35AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 12 PM (Avg. 42), while the lowest AQI was between 3 PM to 3 PM (Avg. 35).
Night time
Avg. Highest Time
2 AM

53AQI

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

36AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 2 AM (Avg. 53), while the lowest AQI was between 6 AM to 6 AM (Avg. 36).

2025 Days Vs Air Quality

Talcahuano, Biobio, Chile

2025

49%

135

36%

101

14%

40

0.3%

1

Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)

Good
135 Days
Moderate
101 Days
Poor
40 Days
Unhealthy
1 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 49%

Health Risk Level:

Significant

In 2025, 49% of 278 days were within WHO’s safe air quality limits, and 51% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.

Annual Air Quality Insights

Talcahuano, Biobio, Chile

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
46AQI
2nd January 2025
43AQI
3rd January 2025
49AQI
4th January 2025
29AQI
5th January 2025
48AQI
6th January 2025
51AQI
7th January 2025
35AQI
8th January 2025
32AQI
9th January 2025
38AQI
10th January 2025
47AQI
11th January 2025
37AQI
12th January 2025
33AQI
13th January 2025
43AQI
14th January 2025
43AQI
15th January 2025
27AQI
16th January 2025
27AQI
17th January 2025
31AQI
18th January 2025
32AQI
19th January 2025
35AQI
20th January 2025
36AQI
21st January 2025
29AQI
22nd January 2025
28AQI
23rd January 2025
29AQI
24th January 2025
38AQI
25th January 2025
35AQI
26th January 2025
31AQI
27th January 2025
36AQI
28th January 2025
47AQI
29th January 2025
44AQI
30th January 2025
38AQI
31st January 2025
34AQI
1st February 2025
34AQI
2nd February 2025
26AQI
3rd February 2025
32AQI
4th February 2025
41AQI
5th February 2025
28AQI
6th February 2025
38AQI
7th February 2025
70AQI
8th February 2025
49AQI
9th February 2025
49AQI
10th February 2025
56AQI
11th February 2025
58AQI
12th February 2025
57AQI
13th February 2025
50AQI
14th February 2025
46AQI
15th February 2025
44AQI
16th February 2025
37AQI
17th February 2025
37AQI
18th February 2025
53AQI
19th February 2025
46AQI
20th February 2025
28AQI
21st February 2025
32AQI
22nd February 2025
34AQI
23rd February 2025
23AQI
24th February 2025
32AQI
25th February 2025
46AQI
26th February 2025
45AQI
27th February 2025
32AQI
28th February 2025
25AQI
1st March 2025
26AQI
2nd March 2025
26AQI
3rd March 2025
23AQI
4th March 2025
43AQI
5th March 2025
30AQI
6th March 2025
26AQI
7th March 2025
18AQI
8th March 2025
31AQI
9th March 2025
34AQI
10th March 2025
31AQI
11th March 2025
47AQI
12th March 2025
57AQI
13th March 2025
47AQI
14th March 2025
54AQI
15th March 2025
48AQI
16th March 2025
47AQI
17th March 2025
47AQI
18th March 2025
46AQI
19th March 2025
54AQI
20th March 2025
42AQI
21st March 2025
30AQI
22nd March 2025
41AQI
23rd March 2025
59AQI
24th March 2025
88AQI
25th March 2025
66AQI
26th March 2025
87AQI
27th March 2025
72AQI
28th March 2025
43AQI
29th March 2025
31AQI
30th March 2025
34AQI
31st March 2025
35AQI
1st April 2025
37AQI
2nd April 2025
47AQI
3rd April 2025
46AQI
4th April 2025
53AQI
5th April 2025
46AQI
6th April 2025
44AQI
7th April 2025
75AQI
8th April 2025
68AQI
9th April 2025
46AQI
10th April 2025
31AQI
11th April 2025
58AQI
12th April 2025
39AQI
13th April 2025
61AQI
14th April 2025
42AQI
15th April 2025
61AQI
16th April 2025
56AQI
17th April 2025
50AQI
18th April 2025
48AQI
19th April 2025
76AQI
20th April 2025
86AQI
21st April 2025
72AQI
22nd April 2025
33AQI
23rd April 2025
48AQI
24th April 2025
34AQI
25th April 2025
46AQI
26th April 2025
82AQI
27th April 2025
58AQI
28th April 2025
67AQI
29th April 2025
73AQI
30th April 2025
106AQI
1st May 2025
50AQI
2nd May 2025
101AQI
3rd May 2025
106AQI
4th May 2025
61AQI
5th May 2025
110AQI
6th May 2025
90AQI
7th May 2025
61AQI
8th May 2025
61AQI
9th May 2025
47AQI
10th May 2025
70AQI
11th May 2025
70AQI
12th May 2025
82AQI
13th May 2025
126AQI
14th May 2025
61AQI
15th May 2025
124AQI
16th May 2025
71AQI
17th May 2025
61AQI
18th May 2025
92AQI
19th May 2025
94AQI
20th May 2025
91AQI
21st May 2025
99AQI
22nd May 2025
107AQI
23rd May 2025
135AQI
24th May 2025
103AQI
25th May 2025
87AQI
26th May 2025
52AQI
27th May 2025
88AQI
28th May 2025
105AQI
29th May 2025
100AQI
30th May 2025
70AQI
31st May 2025
89AQI
1st June 2025
89AQI
2nd June 2025
135AQI
3rd June 2025
130AQI
4th June 2025
120AQI
5th June 2025
111AQI
6th June 2025
111AQI
7th June 2025
111AQI
8th June 2025
122AQI
9th June 2025
139AQI
10th June 2025
142AQI
11th June 2025
67AQI
12th June 2025
54AQI
13th June 2025
89AQI
14th June 2025
62AQI
15th June 2025
48AQI
16th June 2025
64AQI
17th June 2025
67AQI
18th June 2025
113AQI
19th June 2025
119AQI
20th June 2025
135AQI
21st June 2025
93AQI
22nd June 2025
101AQI
23rd June 2025
132AQI
24th June 2025
115AQI
25th June 2025
106AQI
26th June 2025
122AQI
27th June 2025
137AQI
28th June 2025
133AQI
29th June 2025
140AQI
30th June 2025
128AQI
1st July 2025
141AQI
2nd July 2025
146AQI
3rd July 2025
150AQI
4th July 2025
151AQI
5th July 2025
86AQI
6th July 2025
46AQI
7th July 2025
55AQI
8th July 2025
59AQI
9th July 2025
102AQI
10th July 2025
121AQI
11th July 2025
83AQI
12th July 2025
69AQI
13th July 2025
67AQI
14th July 2025
63AQI
15th July 2025
48AQI
16th July 2025
104AQI
17th July 2025
86AQI
18th July 2025
72AQI
19th July 2025
86AQI
20th July 2025
107AQI
21st July 2025
79AQI
22nd July 2025
55AQI
23rd July 2025
124AQI
24th July 2025
69AQI
25th July 2025
35AQI
26th July 2025
55AQI
27th July 2025
39AQI
28th July 2025
38AQI
29th July 2025
86AQI
30th July 2025
33AQI
31st July 2025
43AQI
1st August 2025
33AQI
2nd August 2025
43AQI
3rd August 2025
71AQI
4th August 2025
71AQI
5th August 2025
87AQI
6th August 2025
74AQI
7th August 2025
58AQI
8th August 2025
106AQI
9th August 2025
63AQI
10th August 2025
56AQI
11th August 2025
58AQI
12th August 2025
40AQI
13th August 2025
53AQI
14th August 2025
75AQI
15th August 2025
54AQI
16th August 2025
38AQI
17th August 2025
90AQI
18th August 2025
73AQI
19th August 2025
61AQI
20th August 2025
41AQI
21st August 2025
28AQI
22nd August 2025
39AQI
23rd August 2025
67AQI
24th August 2025
82AQI
25th August 2025
51AQI
26th August 2025
60AQI
27th August 2025
60AQI
28th August 2025
47AQI
29th August 2025
57AQI
30th August 2025
86AQI
31st August 2025
71AQI
1st September 2025
49AQI
2nd September 2025
38AQI
3rd September 2025
54AQI
4th September 2025
50AQI
5th September 2025
82AQI
6th September 2025
57AQI
7th September 2025
40AQI
8th September 2025
34AQI
9th September 2025
26AQI
10th September 2025
36AQI
11th September 2025
59AQI
12th September 2025
70AQI
13th September 2025
35AQI
14th September 2025
58AQI
15th September 2025
49AQI
16th September 2025
49AQI
17th September 2025
48AQI
18th September 2025
30AQI
19th September 2025
31AQI
20th September 2025
23AQI
21st September 2025
33AQI
22nd September 2025
65AQI
23rd September 2025
45AQI
24th September 2025
56AQI
25th September 2025
26AQI
26th September 2025
18AQI
27th September 2025
30AQI
28th September 2025
33AQI
29th September 2025
24AQI
30th September 2025
29AQI
1st October 2025
29AQI
2nd October 2025
43AQI
3rd October 2025
44AQI
4th October 2025
41AQI
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
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

37AQI

41AQI

44AQI

56AQI

86AQI

108AQI

81AQI

61AQI

43AQI

39AQI

No. of days

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

202562AQI

30
1
23
5
23
8
15
14
1
2
20
9
1
8
21
7
15
8
1
8
22
1
22
8
4
135
101
40
1

Highest AQI recorded in

June

108AQI

Lowest AQI recorded in

January

37AQI

202461AQI

16
15
17
12
20
11
9
19
2
4
8
14
5
14
10
6
1
16
10
4
6
16
9
17
13
24
7
30
28
3
186
130
41
9

Highest AQI recorded in

May

109AQI

Lowest AQI recorded in

November

33AQI

202358AQI

23
8
6
20
1
1
22
9
15
13
2
7
19
5
9
12
9
5
18
8
10
15
6
13
17
13
18
22
7
23
8
168
164
31
1

Highest AQI recorded in

July

80AQI

Lowest AQI recorded in

November

42AQI

202264AQI

24
7
8
11
2
8
23
6
22
2
1
14
14
2
5
14
10
1
6
9
8
1
1
1
11
18
23
8
22
8
19
12
133
147
37
3
1

Highest AQI recorded in

May

103AQI

Lowest AQI recorded in

November

41AQI

202171AQI

15
15
20
8
12
19
3
27
13
11
7
4
12
3
11
10
15
6
4
17
8
2
8
21
1
8
23
18
12
11
20
103
197
38
26

Highest AQI recorded in

July

116AQI

Lowest AQI recorded in

February

43AQI

202067AQI

7
6
5
15
1
2
12
4
1
7
10
5
8
9
13
6
3
7
23
1
8
17
3
2
11
20
20
10
22
9
98
135
20
14

Highest AQI recorded in

June

99AQI

Lowest AQI recorded in

November

42AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2021(Avg.)
71AQI
Least Polluted Year Recorded
2023(Avg.)
58AQI

Talcahuano's annual 2025 AQI (62) shows an average percentage change of -3.4% (improved AQI) compared to previous years: 2020 (67), 2021 (71), 2022 (64), 2023 (58), 2024 (61).