Country Background
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+

August Air Quality Analysis

Talcahuano, Biobio, Chile

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
6th Aug 2021
155AQI
Lowest AQI recorded on
16th Aug 2023
24AQI

Same Day Analysis (17th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 95 of Moderate air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 17th Aug - 18th Aug 2025

Talcahuano, Biobio, Chile

AQI
Day
Night
.

7 AM17th Aug 2025

6 PM

6 AM18th Aug 2025

Day time
Avg. Highest Time
9AM17th Aug

87AQI

Avg. Lowest Time
5PM17th Aug

71AQI

Night time
Avg. Highest Time
2AM18th Aug

116AQI

Avg. Lowest Time
9PM17th Aug

79AQI

In the last 24 hours,

Talcahuano's AQI reached its highest point of 116 at 2 AM during the Night, while the lowest point, undefined, was recorded at 6 AM during the Night between 17th Aug and 18th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Talcahuano, Biobio, Chile

JulAug
19th - 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 - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th
Day
Night
19th Jul 2025747 AMAQI
19th Jul 2025748 AMAQI
19th Jul 2025789 AMAQI
19th Jul 20258010 AMAQI
19th Jul 20257411 AMAQI
19th Jul 20258612 PMAQI
19th Jul 2025861 PMAQI
19th Jul 2025672 PMAQI
19th Jul 2025643 PMAQI
19th Jul 2025554 PMAQI
19th Jul 2025655 PMAQI
19th Jul 2025766 PMAQI
19th Jul 2025807 PMAQI
19th Jul 20251028 PMAQI
19th Jul 20251009 PMAQI
19th Jul 20259610 PMAQI
19th Jul 20259411 PMAQI
20th Jul 202510212 AMAQI
20th Jul 20251511 AMAQI
20th Jul 20251472 AMAQI
20th Jul 20251443 AMAQI
20th Jul 20251174 AMAQI
20th Jul 20251105 AMAQI
20th Jul 2025906 AMAQI

11°C10/14°C

20th Jul 2025817 AMAQI
20th Jul 2025828 AMAQI
20th Jul 2025799 AMAQI
20th Jul 20258310 AMAQI
20th Jul 20259211 AMAQI
20th Jul 202510012 PMAQI
20th Jul 2025941 PMAQI
20th Jul 2025842 PMAQI
20th Jul 2025693 PMAQI
20th Jul 2025544 PMAQI
20th Jul 2025685 PMAQI
20th Jul 2025966 PMAQI
20th Jul 2025987 PMAQI
20th Jul 20251038 PMAQI
20th Jul 20251289 PMAQI
20th Jul 202513710 PMAQI
20th Jul 202516011 PMAQI
21st Jul 202512512 AMAQI
21st Jul 20251191 AMAQI
21st Jul 20251202 AMAQI
21st Jul 20251323 AMAQI
21st Jul 2025714 AMAQI
21st Jul 2025545 AMAQI
21st Jul 2025406 AMAQI

11°C10/13°C

21st Jul 2025607 AMAQI
21st Jul 2025748 AMAQI
21st Jul 2025719 AMAQI
21st Jul 20257110 AMAQI
21st Jul 20256711 AMAQI
21st Jul 20257212 PMAQI
21st Jul 2025671 PMAQI
21st Jul 2025652 PMAQI
21st Jul 2025603 PMAQI
21st Jul 2025574 PMAQI
21st Jul 2025595 PMAQI
21st Jul 2025706 PMAQI
21st Jul 2025757 PMAQI
21st Jul 2025818 PMAQI
21st Jul 2025849 PMAQI
21st Jul 20258310 PMAQI
21st Jul 20258611 PMAQI
22nd Jul 20258412 AMAQI
22nd Jul 2025701 AMAQI
22nd Jul 2025502 AMAQI
22nd Jul 2025513 AMAQI
22nd Jul 2025454 AMAQI
22nd Jul 2025265 AMAQI
22nd Jul 2025296 AMAQI

11°C10/12°C

22nd Jul 2025327 AMAQI
22nd Jul 2025458 AMAQI
22nd Jul 2025519 AMAQI
22nd Jul 20255310 AMAQI
22nd Jul 20255011 AMAQI
22nd Jul 20255312 PMAQI
22nd Jul 2025501 PMAQI
22nd Jul 2025502 PMAQI
22nd Jul 2025523 PMAQI
22nd Jul 2025704 PMAQI
22nd Jul 2025455 PMAQI
22nd Jul 2025546 PMAQI
22nd Jul 2025597 PMAQI
22nd Jul 2025598 PMAQI
22nd Jul 2025729 PMAQI
22nd Jul 20259710 PMAQI
22nd Jul 20256011 PMAQI
23rd Jul 20256012 AMAQI
23rd Jul 20252041 AMAQI
23rd Jul 20252172 AMAQI
23rd Jul 20252013 AMAQI
23rd Jul 20251474 AMAQI
23rd Jul 20251315 AMAQI
23rd Jul 2025916 AMAQI

11°C9/13°C

23rd Jul 20251027 AMAQI
23rd Jul 2025838 AMAQI
23rd Jul 20251039 AMAQI
23rd Jul 202511710 AMAQI
23rd Jul 202510711 AMAQI
23rd Jul 202512212 PMAQI
23rd Jul 20251461 PMAQI
23rd Jul 2025922 PMAQI
23rd Jul 2025723 PMAQI
23rd Jul 2025684 PMAQI
23rd Jul 2025785 PMAQI
23rd Jul 2025966 PMAQI
23rd Jul 20251217 PMAQI
23rd Jul 20251368 PMAQI
23rd Jul 20251259 PMAQI
23rd Jul 202512210 PMAQI
23rd Jul 202512711 PMAQI
24th Jul 20259212 AMAQI
24th Jul 2025801 AMAQI
24th Jul 20251012 AMAQI
24th Jul 20251013 AMAQI
24th Jul 2025714 AMAQI
24th Jul 2025585 AMAQI
24th Jul 2025516 AMAQI

10°C9/12°C

24th Jul 2025537 AMAQI
24th Jul 2025648 AMAQI
24th Jul 2025679 AMAQI
24th Jul 20256310 AMAQI
24th Jul 20256211 AMAQI
24th Jul 20255712 PMAQI
24th Jul 2025711 PMAQI
24th Jul 2025802 PMAQI
24th Jul 2025703 PMAQI
24th Jul 2025584 PMAQI
24th Jul 2025465 PMAQI
24th Jul 2025656 PMAQI
24th Jul 2025677 PMAQI
24th Jul 2025688 PMAQI
24th Jul 2025699 PMAQI
24th Jul 20257010 PMAQI
24th Jul 20256811 PMAQI
25th Jul 20256312 AMAQI
25th Jul 2025411 AMAQI
25th Jul 2025282 AMAQI
25th Jul 2025253 AMAQI
25th Jul 2025194 AMAQI
25th Jul 2025185 AMAQI
25th Jul 2025206 AMAQI

11°C9/12°C

25th Jul 2025237 AMAQI
25th Jul 2025288 AMAQI
25th Jul 2025249 AMAQI
25th Jul 20252810 AMAQI
25th Jul 20252711 AMAQI
25th Jul 20252712 PMAQI
25th Jul 2025311 PMAQI
25th Jul 2025312 PMAQI
25th Jul 2025343 PMAQI
25th Jul 2025394 PMAQI
25th Jul 2025345 PMAQI
25th Jul 2025386 PMAQI
25th Jul 2025367 PMAQI
25th Jul 2025468 PMAQI
25th Jul 2025509 PMAQI
25th Jul 20255710 PMAQI
25th Jul 20255611 PMAQI
26th Jul 20256212 AMAQI
26th Jul 2025681 AMAQI
26th Jul 2025722 AMAQI
26th Jul 2025623 AMAQI
26th Jul 2025574 AMAQI
26th Jul 2025345 AMAQI
26th Jul 2025386 AMAQI

12°C11/12°C

26th Jul 2025437 AMAQI
26th Jul 2025508 AMAQI
26th Jul 2025529 AMAQI
26th Jul 20254910 AMAQI
26th Jul 20255211 AMAQI
26th Jul 20255612 PMAQI
26th Jul 2025531 PMAQI
26th Jul 2025522 PMAQI
26th Jul 2025563 PMAQI
26th Jul 2025564 PMAQI
26th Jul 2025585 PMAQI
26th Jul 2025616 PMAQI
26th Jul 2025537 PMAQI
26th Jul 2025628 PMAQI
26th Jul 2025589 PMAQI
26th Jul 20255610 PMAQI
26th Jul 20256211 PMAQI
27th Jul 20256112 AMAQI
27th Jul 2025501 AMAQI
27th Jul 2025372 AMAQI
27th Jul 2025333 AMAQI
27th Jul 2025374 AMAQI
27th Jul 2025265 AMAQI
27th Jul 2025306 AMAQI

11°C10/12°C

27th Jul 2025327 AMAQI
27th Jul 2025368 AMAQI
27th Jul 2025339 AMAQI
27th Jul 20252910 AMAQI
27th Jul 20253111 AMAQI
27th Jul 20253112 PMAQI
27th Jul 2025301 PMAQI
27th Jul 2025382 PMAQI
27th Jul 2025363 PMAQI
27th Jul 2025364 PMAQI
27th Jul 2025485 PMAQI
27th Jul 2025426 PMAQI
27th Jul 2025417 PMAQI
27th Jul 2025448 PMAQI
27th Jul 2025459 PMAQI
27th Jul 20254310 PMAQI
27th Jul 20254611 PMAQI
28th Jul 20254612 AMAQI
28th Jul 2025251 AMAQI
28th Jul 2025262 AMAQI
28th Jul 2025203 AMAQI
28th Jul 2025214 AMAQI
28th Jul 2025245 AMAQI
28th Jul 2025146 AMAQI

11°C11/12°C

28th Jul 2025197 AMAQI
28th Jul 2025208 AMAQI
28th Jul 2025209 AMAQI
28th Jul 20252310 AMAQI
28th Jul 20253411 AMAQI
28th Jul 20254812 PMAQI
28th Jul 2025431 PMAQI
28th Jul 2025412 PMAQI
28th Jul 2025433 PMAQI
28th Jul 2025444 PMAQI
28th Jul 2025395 PMAQI
28th Jul 2025426 PMAQI
28th Jul 2025427 PMAQI
28th Jul 2025438 PMAQI
28th Jul 2025609 PMAQI
28th Jul 20258310 PMAQI
28th Jul 20257111 PMAQI
29th Jul 20258312 AMAQI
29th Jul 20251281 AMAQI
29th Jul 2025972 AMAQI
29th Jul 20251063 AMAQI
29th Jul 20251144 AMAQI
29th Jul 2025855 AMAQI
29th Jul 2025676 AMAQI

12°C11/13°C

29th Jul 2025727 AMAQI
29th Jul 2025768 AMAQI
29th Jul 2025689 AMAQI
29th Jul 20256810 AMAQI
29th Jul 20257011 AMAQI
29th Jul 20257812 PMAQI
29th Jul 2025781 PMAQI
29th Jul 2025782 PMAQI
29th Jul 2025783 PMAQI
29th Jul 2025804 PMAQI
29th Jul 2025755 PMAQI
29th Jul 2025806 PMAQI
29th Jul 2025917 PMAQI
29th Jul 2025838 PMAQI
29th Jul 2025949 PMAQI
29th Jul 20259010 PMAQI
29th Jul 20257611 PMAQI
30th Jul 20258412 AMAQI
30th Jul 2025461 AMAQI
30th Jul 2025332 AMAQI
30th Jul 2025303 AMAQI
30th Jul 2025254 AMAQI
30th Jul 2025255 AMAQI
30th Jul 2025216 AMAQI

13°C12/14°C

30th Jul 2025227 AMAQI
30th Jul 2025238 AMAQI
30th Jul 2025279 AMAQI
30th Jul 20252810 AMAQI
30th Jul 20252611 AMAQI
30th Jul 20252912 PMAQI
30th Jul 2025351 PMAQI
30th Jul 2025352 PMAQI
30th Jul 2025313 PMAQI
30th Jul 2025304 PMAQI
30th Jul 2025305 PMAQI
30th Jul 2025306 PMAQI
30th Jul 2025307 PMAQI
30th Jul 2025308 PMAQI
30th Jul 2025309 PMAQI
30th Jul 20253710 PMAQI
30th Jul 20253611 PMAQI
31st Jul 20253812 AMAQI
31st Jul 2025331 AMAQI
31st Jul 2025232 AMAQI
31st Jul 2025193 AMAQI
31st Jul 2025184 AMAQI
31st Jul 2025175 AMAQI
31st Jul 2025136 AMAQI

12°C12/13°C

31st Jul 2025267 AMAQI
31st Jul 2025568 AMAQI
31st Jul 2025549 AMAQI
31st Jul 20255310 AMAQI
31st Jul 20256011 AMAQI
31st Jul 20254412 PMAQI
31st Jul 2025551 PMAQI
31st Jul 2025542 PMAQI
31st Jul 2025543 PMAQI
31st Jul 2025534 PMAQI
31st Jul 2025525 PMAQI
31st Jul 2025526 PMAQI
31st Jul 2025477 PMAQI
31st Jul 2025578 PMAQI
31st Jul 2025589 PMAQI
31st Jul 20256710 PMAQI
31st Jul 20255311 PMAQI
1st Aug 20254812 AMAQI
1st Aug 2025261 AMAQI
1st Aug 2025242 AMAQI
1st Aug 2025283 AMAQI
1st Aug 2025294 AMAQI
1st Aug 2025265 AMAQI
1st Aug 2025406 AMAQI

13°C12/13°C

1st Aug 2025327 AMAQI
1st Aug 2025238 AMAQI
1st Aug 2025249 AMAQI
1st Aug 20253110 AMAQI
1st Aug 20254511 AMAQI
1st Aug 20253012 PMAQI
1st Aug 2025301 PMAQI
1st Aug 2025332 PMAQI
1st Aug 2025323 PMAQI
1st Aug 2025334 PMAQI
1st Aug 2025375 PMAQI
1st Aug 2025396 PMAQI
1st Aug 2025347 PMAQI
1st Aug 2025368 PMAQI
1st Aug 2025349 PMAQI
1st Aug 20253310 PMAQI
1st Aug 20253911 PMAQI
2nd Aug 20253712 AMAQI
2nd Aug 2025461 AMAQI
2nd Aug 2025422 AMAQI
2nd Aug 2025623 AMAQI
2nd Aug 2025354 AMAQI
2nd Aug 2025255 AMAQI
2nd Aug 2025346 AMAQI

12°C10/13°C

2nd Aug 2025337 AMAQI
2nd Aug 2025338 AMAQI
2nd Aug 2025379 AMAQI
2nd Aug 20254610 AMAQI
2nd Aug 20253511 AMAQI
2nd Aug 20253312 PMAQI
2nd Aug 2025371 PMAQI
2nd Aug 2025432 PMAQI
2nd Aug 2025433 PMAQI
2nd Aug 2025474 PMAQI
2nd Aug 2025445 PMAQI
2nd Aug 2025466 PMAQI
2nd Aug 2025567 PMAQI
2nd Aug 2025448 PMAQI
2nd Aug 2025489 PMAQI
2nd Aug 20255810 PMAQI
2nd Aug 20254611 PMAQI
3rd Aug 20256812 AMAQI
3rd Aug 2025621 AMAQI
3rd Aug 2025962 AMAQI
3rd Aug 2025753 AMAQI
3rd Aug 2025664 AMAQI
3rd Aug 20251055 AMAQI
3rd Aug 2025626 AMAQI

10°C9/11°C

3rd Aug 2025727 AMAQI
3rd Aug 2025658 AMAQI
3rd Aug 2025599 AMAQI
3rd Aug 20256410 AMAQI
3rd Aug 20256411 AMAQI
3rd Aug 20256212 PMAQI
3rd Aug 2025621 PMAQI
3rd Aug 2025662 PMAQI
3rd Aug 2025713 PMAQI
3rd Aug 2025704 PMAQI
3rd Aug 2025695 PMAQI
3rd Aug 2025706 PMAQI
3rd Aug 2025737 PMAQI
3rd Aug 2025708 PMAQI
3rd Aug 2025719 PMAQI
3rd Aug 20257510 PMAQI
3rd Aug 20256911 PMAQI
4th Aug 20257012 AMAQI
4th Aug 20251301 AMAQI
4th Aug 20251162 AMAQI
4th Aug 2025853 AMAQI
4th Aug 2025494 AMAQI
4th Aug 2025455 AMAQI
4th Aug 2025516 AMAQI

9°C7/12°C

4th Aug 2025587 AMAQI
4th Aug 2025628 AMAQI
4th Aug 2025679 AMAQI
4th Aug 20256310 AMAQI
4th Aug 20256511 AMAQI
4th Aug 20256112 PMAQI
4th Aug 2025631 PMAQI
4th Aug 2025632 PMAQI
4th Aug 2025663 PMAQI
4th Aug 2025704 PMAQI
4th Aug 2025695 PMAQI
4th Aug 2025696 PMAQI
4th Aug 2025727 PMAQI
4th Aug 2025678 PMAQI
4th Aug 2025709 PMAQI
4th Aug 20257110 PMAQI
4th Aug 20257411 PMAQI
5th Aug 20258412 AMAQI
5th Aug 2025871 AMAQI
5th Aug 2025992 AMAQI
5th Aug 2025793 AMAQI
5th Aug 20251054 AMAQI
5th Aug 2025885 AMAQI
5th Aug 2025796 AMAQI

10°C8/14°C

5th Aug 20251057 AMAQI
5th Aug 2025928 AMAQI
5th Aug 20251129 AMAQI
5th Aug 202510010 AMAQI
5th Aug 20259311 AMAQI
5th Aug 20257912 PMAQI
5th Aug 2025811 PMAQI
5th Aug 2025722 PMAQI
5th Aug 2025823 PMAQI
5th Aug 2025794 PMAQI
5th Aug 2025865 PMAQI
5th Aug 2025826 PMAQI
5th Aug 2025867 PMAQI
5th Aug 2025868 PMAQI
5th Aug 2025789 PMAQI
5th Aug 20258210 PMAQI
5th Aug 20258211 PMAQI
6th Aug 20257512 AMAQI
6th Aug 2025601 AMAQI
6th Aug 2025722 AMAQI
6th Aug 2025773 AMAQI
6th Aug 20251184 AMAQI
6th Aug 20251075 AMAQI
6th Aug 2025626 AMAQI

12°C11/14°C

6th Aug 2025677 AMAQI
6th Aug 2025668 AMAQI
6th Aug 2025649 AMAQI
6th Aug 20256910 AMAQI
6th Aug 20256411 AMAQI
6th Aug 20256612 PMAQI
6th Aug 2025671 PMAQI
6th Aug 2025662 PMAQI
6th Aug 2025733 PMAQI
6th Aug 2025674 PMAQI
6th Aug 2025725 PMAQI
6th Aug 2025646 PMAQI
6th Aug 2025737 PMAQI
6th Aug 2025788 PMAQI
6th Aug 2025789 PMAQI
6th Aug 20257010 PMAQI
6th Aug 20257511 PMAQI
7th Aug 20256512 AMAQI
7th Aug 2025601 AMAQI
7th Aug 2025642 AMAQI
7th Aug 2025493 AMAQI
7th Aug 2025404 AMAQI
7th Aug 2025485 AMAQI
7th Aug 2025516 AMAQI

12°C10/14°C

7th Aug 2025547 AMAQI
7th Aug 2025558 AMAQI
7th Aug 2025589 AMAQI
7th Aug 20255910 AMAQI
7th Aug 20256111 AMAQI
7th Aug 20256112 PMAQI
7th Aug 2025581 PMAQI
7th Aug 2025522 PMAQI
7th Aug 2025523 PMAQI
7th Aug 2025494 PMAQI
7th Aug 2025535 PMAQI
7th Aug 2025496 PMAQI
7th Aug 2025547 PMAQI
7th Aug 2025648 PMAQI
7th Aug 2025629 PMAQI
7th Aug 20257610 PMAQI
7th Aug 202510011 PMAQI
8th Aug 202511112 AMAQI
8th Aug 20251211 AMAQI
8th Aug 20251382 AMAQI
8th Aug 20251363 AMAQI
8th Aug 20251194 AMAQI
8th Aug 2025955 AMAQI
8th Aug 2025906 AMAQI

11°C8/14°C

8th Aug 2025877 AMAQI
8th Aug 20251068 AMAQI
8th Aug 20251009 AMAQI
8th Aug 202511510 AMAQI
8th Aug 202512711 AMAQI
8th Aug 202510912 PMAQI
8th Aug 2025741 PMAQI
8th Aug 2025722 PMAQI
8th Aug 2025693 PMAQI
8th Aug 2025674 PMAQI
8th Aug 2025725 PMAQI
8th Aug 2025806 PMAQI
8th Aug 2025877 PMAQI
8th Aug 20251218 PMAQI
8th Aug 20251259 PMAQI
8th Aug 202512310 PMAQI
8th Aug 202514311 PMAQI
9th Aug 202511512 AMAQI
9th Aug 2025981 AMAQI
9th Aug 2025712 AMAQI
9th Aug 2025643 AMAQI
9th Aug 2025444 AMAQI
9th Aug 2025405 AMAQI
9th Aug 2025316 AMAQI

11°C8/15°C

9th Aug 2025367 AMAQI
9th Aug 2025508 AMAQI
9th Aug 2025489 AMAQI
9th Aug 20255610 AMAQI
9th Aug 20256111 AMAQI
9th Aug 20256012 PMAQI
9th Aug 2025591 PMAQI
9th Aug 2025622 PMAQI
9th Aug 2025623 PMAQI
9th Aug 2025634 PMAQI
9th Aug 2025615 PMAQI
9th Aug 2025606 PMAQI
9th Aug 2025627 PMAQI
9th Aug 2025658 PMAQI
9th Aug 2025739 PMAQI
9th Aug 20257810 PMAQI
9th Aug 20257111 PMAQI
10th Aug 20256512 AMAQI
10th Aug 2025651 AMAQI
10th Aug 2025682 AMAQI
10th Aug 2025573 AMAQI
10th Aug 2025594 AMAQI
10th Aug 2025415 AMAQI
10th Aug 2025456 AMAQI

11°C10/12°C

10th Aug 2025507 AMAQI
10th Aug 2025498 AMAQI
10th Aug 2025529 AMAQI
10th Aug 20255510 AMAQI
10th Aug 20255511 AMAQI
10th Aug 20255712 PMAQI
10th Aug 2025441 PMAQI
10th Aug 2025442 PMAQI
10th Aug 2025473 PMAQI
10th Aug 2025314 PMAQI
10th Aug 2025475 PMAQI
10th Aug 2025546 PMAQI
10th Aug 2025587 PMAQI
10th Aug 2025538 PMAQI
10th Aug 2025609 PMAQI
10th Aug 20257510 PMAQI
10th Aug 20258611 PMAQI
11th Aug 20258012 AMAQI
11th Aug 2025791 AMAQI
11th Aug 2025622 AMAQI
11th Aug 2025543 AMAQI
11th Aug 2025454 AMAQI
11th Aug 2025465 AMAQI
11th Aug 2025396 AMAQI

11°C9/12°C

11th Aug 2025607 AMAQI
11th Aug 2025588 AMAQI
11th Aug 2025699 AMAQI
11th Aug 20256710 AMAQI
11th Aug 20255511 AMAQI
11th Aug 20255612 PMAQI
11th Aug 2025551 PMAQI
11th Aug 2025492 PMAQI
11th Aug 2025553 PMAQI
11th Aug 2025624 PMAQI
11th Aug 2025625 PMAQI
11th Aug 2025566 PMAQI
11th Aug 2025627 PMAQI
11th Aug 2025618 PMAQI
11th Aug 2025599 PMAQI
11th Aug 20255710 PMAQI
11th Aug 20256011 PMAQI
12th Aug 20255512 AMAQI
12th Aug 2025371 AMAQI
12th Aug 2025342 AMAQI
12th Aug 2025513 AMAQI
12th Aug 2025444 AMAQI
12th Aug 2025545 AMAQI
12th Aug 2025226 AMAQI

12°C11/14°C

12th Aug 2025347 AMAQI
12th Aug 2025328 AMAQI
12th Aug 2025319 AMAQI
12th Aug 20253510 AMAQI
12th Aug 20253211 AMAQI
12th Aug 20253312 PMAQI
12th Aug 2025361 PMAQI
12th Aug 2025402 PMAQI
12th Aug 2025393 PMAQI
12th Aug 2025404 PMAQI
12th Aug 2025425 PMAQI
12th Aug 2025406 PMAQI
12th Aug 2025407 PMAQI
12th Aug 2025458 PMAQI
12th Aug 2025529 PMAQI
12th Aug 20254210 PMAQI
12th Aug 20254311 PMAQI
13th Aug 20254412 AMAQI
13th Aug 2025501 AMAQI
13th Aug 2025532 AMAQI
13th Aug 2025453 AMAQI
13th Aug 2025474 AMAQI
13th Aug 2025585 AMAQI
13th Aug 2025426 AMAQI

12°C10/13°C

13th Aug 2025557 AMAQI
13th Aug 2025528 AMAQI
13th Aug 2025649 AMAQI
13th Aug 20255810 AMAQI
13th Aug 20255911 AMAQI
13th Aug 20255312 PMAQI
13th Aug 2025501 PMAQI
13th Aug 2025542 PMAQI
13th Aug 2025503 PMAQI
13th Aug 2025534 PMAQI
13th Aug 2025415 PMAQI
13th Aug 2025536 PMAQI
13th Aug 2025547 PMAQI
13th Aug 2025558 PMAQI
13th Aug 2025589 PMAQI
13th Aug 20256510 PMAQI
13th Aug 20255911 PMAQI
14th Aug 20255912 AMAQI
14th Aug 20251031 AMAQI
14th Aug 20251352 AMAQI
14th Aug 2025933 AMAQI
14th Aug 2025714 AMAQI
14th Aug 2025665 AMAQI
14th Aug 2025546 AMAQI

11°C9/14°C

14th Aug 2025727 AMAQI
14th Aug 2025728 AMAQI
14th Aug 2025739 AMAQI
14th Aug 20256710 AMAQI
14th Aug 20257011 AMAQI
14th Aug 20256712 PMAQI
14th Aug 2025681 PMAQI
14th Aug 2025652 PMAQI
14th Aug 2025703 PMAQI
14th Aug 2025594 PMAQI
14th Aug 2025755 PMAQI
14th Aug 2025666 PMAQI
14th Aug 2025747 PMAQI
14th Aug 2025698 PMAQI
14th Aug 2025709 PMAQI
14th Aug 20257310 PMAQI
14th Aug 20257411 PMAQI
15th Aug 20256812 AMAQI
15th Aug 2025671 AMAQI
15th Aug 2025772 AMAQI
15th Aug 2025563 AMAQI
15th Aug 2025524 AMAQI
15th Aug 2025365 AMAQI
15th Aug 2025346 AMAQI

12°C9/16°C

15th Aug 2025527 AMAQI
15th Aug 2025538 AMAQI
15th Aug 2025549 AMAQI
15th Aug 20254910 AMAQI
15th Aug 20255011 AMAQI
15th Aug 20255212 PMAQI
15th Aug 2025451 PMAQI
15th Aug 2025482 PMAQI
15th Aug 2025573 PMAQI
15th Aug 2025574 PMAQI
15th Aug 2025575 PMAQI
15th Aug 2025566 PMAQI
15th Aug 2025567 PMAQI
15th Aug 2025548 PMAQI
15th Aug 2025599 PMAQI
15th Aug 20255610 PMAQI
15th Aug 20255511 PMAQI
16th Aug 20255312 AMAQI
16th Aug 2025431 AMAQI
16th Aug 2025312 AMAQI
16th Aug 2025403 AMAQI
16th Aug 2025274 AMAQI
16th Aug 2025255 AMAQI
16th Aug 2025236 AMAQI

13°C12/14°C

16th Aug 2025267 AMAQI
16th Aug 2025338 AMAQI
16th Aug 2025349 AMAQI
16th Aug 20253110 AMAQI
16th Aug 20254011 AMAQI
16th Aug 20254812 PMAQI
16th Aug 2025441 PMAQI
16th Aug 2025352 PMAQI
16th Aug 2025373 PMAQI
16th Aug 2025414 PMAQI
16th Aug 2025425 PMAQI
16th Aug 2025416 PMAQI
16th Aug 2025447 PMAQI
16th Aug 2025418 PMAQI
16th Aug 2025499 PMAQI
16th Aug 20254210 PMAQI
16th Aug 20254511 PMAQI
17th Aug 20255812 AMAQI
17th Aug 20251101 AMAQI
17th Aug 20251442 AMAQI
17th Aug 2025953 AMAQI
17th Aug 20251184 AMAQI
17th Aug 20251295 AMAQI
17th Aug 2025846 AMAQI

12°C11/13°C

17th Aug 2025787 AMAQI
17th Aug 2025858 AMAQI
17th Aug 2025879 AMAQI
17th Aug 20257210 AMAQI
17th Aug 20257411 AMAQI
17th Aug 20257212 PMAQI
17th Aug 2025741 PMAQI
17th Aug 2025712 PMAQI
17th Aug 2025783 PMAQI
17th Aug 2025864 PMAQI
17th Aug 2025715 PMAQI
17th Aug 2025876 PMAQI
17th Aug 2025897 PMAQI
17th Aug 2025868 PMAQI
17th Aug 2025799 PMAQI
17th Aug 20259410 PMAQI
17th Aug 20259311 PMAQI
18th Aug 20258212 AMAQI
18th Aug 20251101 AMAQI
18th Aug 20251162 AMAQI
18th Aug 2025953 AMAQI
18th Aug 2025904 AMAQI

12°C11/15°C

7 AM
12 PM
6 PM
12 AM
6 AM

--°C/°C

Day time
Avg. Highest Time
8 AM - 6 PM

58AQI

11 hours / Day
330 hours / Month
Avg. Lowest Time
7 AM

54AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 6 PM (Avg. 58), while the lowest AQI was between 7 AM to 7 AM (Avg. 54).
Night time
Avg. Highest Time
1 AM - 2 AM

80AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
6 AM

48AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 2 AM (Avg. 80), while the lowest AQI was between 6 AM to 6 AM (Avg. 48).

2025 Days Vs Air Quality

Talcahuano, Biobio, Chile

2025

46%

105

36%

83

17%

40

0.4%

1

Total number of days with different AQI categories in last 230 days in 2025 (135 days remaining)

Good
105 Days
Moderate
83 Days
Poor
40 Days
Unhealthy
1 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 46%

Health Risk Level:

Significant

In 2025, 46% of 230 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

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.

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
95AQI

37AQI

41AQI

44AQI

56AQI

86AQI

108AQI

81AQI

63AQI

No. of days

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

202565AQI

30
1
23
5
23
8
15
14
1
2
20
9
1
8
21
7
15
8
1
4
12
1
105
83
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 (65) shows an average percentage change of 1.4% (worsened AQI) compared to previous years: 2020 (67), 2021 (71), 2022 (64), 2023 (58), 2024 (61).