Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Puren, Chillan, 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+

July Air Quality Analysis

Puren, Chillan, Biobio, Chile

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
13th Jul 2024
232AQI
Lowest AQI recorded on
21st Jul 2023
45AQI

Same Day Analysis (30th July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 64 of Moderate air quality, showing improvement over 2024, 2023 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 30th Jul - 31st Jul 2025

Puren, Chillan, Biobio, Chile

AQI
Day
Night
.

7 AM30th Jul 2025

5 PM

6 AM31st Jul 2025

Day time
Avg. Highest Time
12PM30th Jul

62AQI

Avg. Lowest Time
7AM30th Jul

52AQI

Night time
Avg. Highest Time
11PM30th Jul

63AQI

Avg. Lowest Time
6AM31st Jul

14AQI

In the last 24 hours,

Puren's AQI reached its highest point of 63 at 11 PM during the Night, while the lowest point, 14, was recorded at 6 AM during the Night between 30th Jul and 31st Jul 2025.

Day & Night AQI Trend : Jul 2025

Puren, Chillan, Biobio, Chile

Jul
01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 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 - 31st31st
Day
Night
1st Jul 20251477 AMAQI
1st Jul 20251578 AMAQI
1st Jul 20251549 AMAQI
1st Jul 202515610 AMAQI
1st Jul 202515811 AMAQI
1st Jul 202515012 PMAQI
1st Jul 20251511 PMAQI
1st Jul 20251452 PMAQI
1st Jul 20251443 PMAQI
1st Jul 20251504 PMAQI
1st Jul 20251545 PMAQI
1st Jul 20251546 PMAQI
1st Jul 20251567 PMAQI
1st Jul 20251668 PMAQI
1st Jul 20251779 PMAQI
1st Jul 202517610 PMAQI
1st Jul 202517611 PMAQI
2nd Jul 202516412 AMAQI
2nd Jul 20251961 AMAQI
2nd Jul 20251832 AMAQI
2nd Jul 20251723 AMAQI
2nd Jul 20251784 AMAQI
2nd Jul 20251865 AMAQI
2nd Jul 20251666 AMAQI

6°C1/11°C

2nd Jul 20251607 AMAQI
2nd Jul 20251638 AMAQI
2nd Jul 20251639 AMAQI
2nd Jul 202516310 AMAQI
2nd Jul 202516311 AMAQI
2nd Jul 202516312 PMAQI
2nd Jul 20251601 PMAQI
2nd Jul 20251512 PMAQI
2nd Jul 20251363 PMAQI
2nd Jul 20251314 PMAQI
2nd Jul 20251315 PMAQI
2nd Jul 20251316 PMAQI
2nd Jul 20251317 PMAQI
2nd Jul 20251818 PMAQI
2nd Jul 20251799 PMAQI
2nd Jul 202516010 PMAQI
2nd Jul 202516011 PMAQI
3rd Jul 202516012 AMAQI
3rd Jul 20251601 AMAQI
3rd Jul 20251602 AMAQI
3rd Jul 20251603 AMAQI
3rd Jul 20251604 AMAQI
3rd Jul 20251865 AMAQI
3rd Jul 20252056 AMAQI

7°C3/13°C

3rd Jul 20251967 AMAQI
3rd Jul 20251688 AMAQI
3rd Jul 20251559 AMAQI
3rd Jul 202516710 AMAQI
3rd Jul 202517611 AMAQI
3rd Jul 202516212 PMAQI
3rd Jul 20251571 PMAQI
3rd Jul 20251582 PMAQI
3rd Jul 20251533 PMAQI
3rd Jul 20251504 PMAQI
3rd Jul 20251565 PMAQI
3rd Jul 20251346 PMAQI
3rd Jul 20251477 PMAQI
3rd Jul 20251628 PMAQI
3rd Jul 20251669 PMAQI
3rd Jul 202517610 PMAQI
3rd Jul 202516711 PMAQI
4th Jul 202517112 AMAQI
4th Jul 20251691 AMAQI
4th Jul 20251662 AMAQI
4th Jul 20251723 AMAQI
4th Jul 20251824 AMAQI
4th Jul 20251645 AMAQI
4th Jul 20251696 AMAQI

9°C5/16°C

4th Jul 20251537 AMAQI
4th Jul 20251328 AMAQI
4th Jul 20251469 AMAQI
4th Jul 202515510 AMAQI
4th Jul 202515011 AMAQI
4th Jul 202514212 PMAQI
4th Jul 20251181 PMAQI
4th Jul 20251322 PMAQI
4th Jul 20251343 PMAQI
4th Jul 20251464 PMAQI
4th Jul 20251505 PMAQI
4th Jul 20251466 PMAQI
4th Jul 20251557 PMAQI
4th Jul 20251668 PMAQI
4th Jul 20251669 PMAQI
4th Jul 202517110 PMAQI
4th Jul 202516211 PMAQI
5th Jul 202516212 AMAQI
5th Jul 20251831 AMAQI
5th Jul 20251862 AMAQI
5th Jul 20251603 AMAQI
5th Jul 20251674 AMAQI
5th Jul 20251265 AMAQI
5th Jul 2025906 AMAQI

9°C5/16°C

5th Jul 20251177 AMAQI
5th Jul 20251348 AMAQI
5th Jul 20251369 AMAQI
5th Jul 202514010 AMAQI
5th Jul 202513811 AMAQI
5th Jul 202512012 PMAQI
5th Jul 20251111 PMAQI
5th Jul 20251062 PMAQI
5th Jul 20251343 PMAQI
5th Jul 20251394 PMAQI
5th Jul 20251515 PMAQI
5th Jul 20251406 PMAQI
5th Jul 20251287 PMAQI
5th Jul 20251448 PMAQI
5th Jul 20251529 PMAQI
5th Jul 202514310 PMAQI
5th Jul 202514211 PMAQI
6th Jul 202513912 AMAQI
6th Jul 2025801 AMAQI
6th Jul 2025452 AMAQI
6th Jul 2025443 AMAQI
6th Jul 2025434 AMAQI
6th Jul 2025425 AMAQI
6th Jul 2025336 AMAQI

10°C6/13°C

6th Jul 2025417 AMAQI
6th Jul 2025508 AMAQI
6th Jul 2025499 AMAQI
6th Jul 20255310 AMAQI
6th Jul 20255111 AMAQI
6th Jul 20255312 PMAQI
6th Jul 2025551 PMAQI
6th Jul 2025532 PMAQI
6th Jul 2025543 PMAQI
6th Jul 2025564 PMAQI
6th Jul 2025565 PMAQI
6th Jul 2025566 PMAQI
6th Jul 2025587 PMAQI
6th Jul 2025608 PMAQI
6th Jul 2025609 PMAQI
6th Jul 20255810 PMAQI
6th Jul 20255811 PMAQI
7th Jul 20256212 AMAQI
7th Jul 2025541 AMAQI
7th Jul 2025382 AMAQI
7th Jul 2025363 AMAQI
7th Jul 2025564 AMAQI
7th Jul 2025405 AMAQI
7th Jul 2025526 AMAQI

12°C11/14°C

7th Jul 2025617 AMAQI
7th Jul 2025628 AMAQI
7th Jul 2025789 AMAQI
7th Jul 20258610 AMAQI
7th Jul 20258311 AMAQI
7th Jul 20256112 PMAQI
7th Jul 2025541 PMAQI
7th Jul 2025482 PMAQI
7th Jul 2025493 PMAQI
7th Jul 2025534 PMAQI
7th Jul 2025545 PMAQI
7th Jul 2025566 PMAQI
7th Jul 2025617 PMAQI
7th Jul 2025618 PMAQI
7th Jul 2025629 PMAQI
7th Jul 20256310 PMAQI
7th Jul 20257311 PMAQI
8th Jul 20256212 AMAQI
8th Jul 2025721 AMAQI
8th Jul 2025482 AMAQI
8th Jul 2025503 AMAQI
8th Jul 2025554 AMAQI
8th Jul 2025505 AMAQI
8th Jul 2025486 AMAQI

12°C8/17°C

8th Jul 2025507 AMAQI
8th Jul 2025548 AMAQI
8th Jul 2025519 AMAQI
8th Jul 20254610 AMAQI
8th Jul 20254411 AMAQI
8th Jul 20255212 PMAQI
8th Jul 2025461 PMAQI
8th Jul 2025462 PMAQI
8th Jul 2025463 PMAQI
8th Jul 2025544 PMAQI
8th Jul 2025535 PMAQI
8th Jul 2025546 PMAQI
8th Jul 2025587 PMAQI
8th Jul 2025608 PMAQI
8th Jul 2025569 PMAQI
8th Jul 20255510 PMAQI
8th Jul 20255611 PMAQI
9th Jul 20255512 AMAQI
9th Jul 2025661 AMAQI
9th Jul 2025682 AMAQI
9th Jul 2025533 AMAQI
9th Jul 2025544 AMAQI
9th Jul 2025465 AMAQI
9th Jul 2025506 AMAQI

9°C6/14°C

9th Jul 2025467 AMAQI
9th Jul 2025568 AMAQI
9th Jul 2025589 AMAQI
9th Jul 20256610 AMAQI
9th Jul 20256411 AMAQI
9th Jul 20256012 PMAQI
9th Jul 2025621 PMAQI
9th Jul 2025592 PMAQI
9th Jul 2025553 PMAQI
9th Jul 2025574 PMAQI
9th Jul 2025595 PMAQI
9th Jul 2025596 PMAQI
9th Jul 2025607 PMAQI
9th Jul 2025628 PMAQI
9th Jul 2025729 PMAQI
9th Jul 20257210 PMAQI
9th Jul 20256211 PMAQI
10th Jul 20256012 AMAQI
10th Jul 20251451 AMAQI
10th Jul 20251352 AMAQI
10th Jul 20251353 AMAQI
10th Jul 2025854 AMAQI
10th Jul 2025815 AMAQI
10th Jul 2025726 AMAQI

6°C3/13°C

10th Jul 2025817 AMAQI
10th Jul 2025888 AMAQI
10th Jul 2025869 AMAQI
10th Jul 20258810 AMAQI
10th Jul 20258611 AMAQI
10th Jul 20257912 PMAQI
10th Jul 2025891 PMAQI
10th Jul 2025802 PMAQI
10th Jul 20251003 PMAQI
10th Jul 2025954 PMAQI
10th Jul 2025975 PMAQI
10th Jul 2025846 PMAQI
10th Jul 2025887 PMAQI
10th Jul 2025928 PMAQI
10th Jul 20251009 PMAQI
10th Jul 202510010 PMAQI
10th Jul 202510211 PMAQI
11th Jul 202510712 AMAQI
11th Jul 20251461 AMAQI
11th Jul 20251222 AMAQI
11th Jul 20251433 AMAQI
11th Jul 20251204 AMAQI
11th Jul 2025865 AMAQI
11th Jul 2025776 AMAQI

6°C2/13°C

11th Jul 2025777 AMAQI
11th Jul 2025888 AMAQI
11th Jul 2025829 AMAQI
11th Jul 202510310 AMAQI
11th Jul 20258711 AMAQI
11th Jul 20259612 PMAQI
11th Jul 20251041 PMAQI
11th Jul 2025852 PMAQI
11th Jul 2025903 PMAQI
11th Jul 20251044 PMAQI
11th Jul 2025935 PMAQI
11th Jul 20251016 PMAQI
11th Jul 20251017 PMAQI
11th Jul 20251128 PMAQI
11th Jul 20251289 PMAQI
11th Jul 202513510 PMAQI
11th Jul 202512011 PMAQI
12th Jul 202512612 AMAQI
12th Jul 20251481 AMAQI
12th Jul 20251422 AMAQI
12th Jul 2025753 AMAQI
12th Jul 2025514 AMAQI
12th Jul 2025445 AMAQI
12th Jul 2025526 AMAQI

8°C3/15°C

12th Jul 2025607 AMAQI
12th Jul 2025708 AMAQI
12th Jul 2025649 AMAQI
12th Jul 20256410 AMAQI
12th Jul 20256511 AMAQI
12th Jul 20257512 PMAQI
12th Jul 2025721 PMAQI
12th Jul 2025662 PMAQI
12th Jul 2025793 PMAQI
12th Jul 2025894 PMAQI
12th Jul 2025815 PMAQI
12th Jul 2025776 PMAQI
12th Jul 2025827 PMAQI
12th Jul 2025948 PMAQI
12th Jul 20251089 PMAQI
12th Jul 202510810 PMAQI
12th Jul 202511911 PMAQI
13th Jul 202510012 AMAQI
13th Jul 2025901 AMAQI
13th Jul 2025742 AMAQI
13th Jul 2025693 AMAQI
13th Jul 2025544 AMAQI
13th Jul 2025465 AMAQI
13th Jul 2025346 AMAQI

8°C4/16°C

13th Jul 2025497 AMAQI
13th Jul 2025588 AMAQI
13th Jul 2025569 AMAQI
13th Jul 20255810 AMAQI
13th Jul 20255811 AMAQI
13th Jul 20255812 PMAQI
13th Jul 2025601 PMAQI
13th Jul 2025592 PMAQI
13th Jul 2025623 PMAQI
13th Jul 2025644 PMAQI
13th Jul 2025675 PMAQI
13th Jul 2025686 PMAQI
13th Jul 2025677 PMAQI
13th Jul 2025678 PMAQI
13th Jul 2025689 PMAQI
13th Jul 20257310 PMAQI
13th Jul 20256611 PMAQI
14th Jul 20256612 AMAQI
14th Jul 2025641 AMAQI
14th Jul 2025662 AMAQI
14th Jul 2025523 AMAQI
14th Jul 2025514 AMAQI
14th Jul 2025505 AMAQI
14th Jul 2025526 AMAQI

8°C3/14°C

14th Jul 2025547 AMAQI
14th Jul 2025568 AMAQI
14th Jul 2025599 AMAQI
14th Jul 20256310 AMAQI
14th Jul 20256711 AMAQI
14th Jul 20256212 PMAQI
14th Jul 2025591 PMAQI
14th Jul 2025692 PMAQI
14th Jul 2025593 PMAQI
14th Jul 2025644 PMAQI
14th Jul 2025605 PMAQI
14th Jul 2025626 PMAQI
14th Jul 2025607 PMAQI
14th Jul 2025688 PMAQI
14th Jul 2025619 PMAQI
14th Jul 20257110 PMAQI
14th Jul 20257211 PMAQI
15th Jul 20256312 AMAQI
15th Jul 2025701 AMAQI
15th Jul 2025682 AMAQI
15th Jul 2025613 AMAQI
15th Jul 2025524 AMAQI
15th Jul 2025575 AMAQI
15th Jul 2025506 AMAQI

8°C5/12°C

15th Jul 2025547 AMAQI
15th Jul 2025578 AMAQI
15th Jul 2025589 AMAQI
15th Jul 20256310 AMAQI
15th Jul 20255611 AMAQI
15th Jul 20255712 PMAQI
15th Jul 2025561 PMAQI
15th Jul 2025542 PMAQI
15th Jul 2025543 PMAQI
15th Jul 2025424 PMAQI
15th Jul 2025495 PMAQI
15th Jul 2025606 PMAQI
15th Jul 2025647 PMAQI
15th Jul 2025778 PMAQI
15th Jul 2025629 PMAQI
15th Jul 20257110 PMAQI
15th Jul 20257311 PMAQI
16th Jul 20256212 AMAQI
16th Jul 20251571 AMAQI
16th Jul 20251602 AMAQI
16th Jul 20251343 AMAQI
16th Jul 20251384 AMAQI
16th Jul 2025965 AMAQI
16th Jul 2025766 AMAQI

7°C4/11°C

16th Jul 2025827 AMAQI
16th Jul 2025908 AMAQI
16th Jul 2025929 AMAQI
16th Jul 20259210 AMAQI
16th Jul 20259211 AMAQI
16th Jul 20258212 PMAQI
16th Jul 2025841 PMAQI
16th Jul 2025862 PMAQI
16th Jul 2025713 PMAQI
16th Jul 2025344 PMAQI
16th Jul 2025475 PMAQI
16th Jul 2025956 PMAQI
16th Jul 20251007 PMAQI
16th Jul 2025998 PMAQI
16th Jul 2025969 PMAQI
16th Jul 202510610 PMAQI
16th Jul 202510611 PMAQI
17th Jul 202511112 AMAQI
17th Jul 20251041 AMAQI
17th Jul 20251022 AMAQI
17th Jul 2025783 AMAQI
17th Jul 2025824 AMAQI
17th Jul 2025565 AMAQI
17th Jul 2025536 AMAQI

6°C1/13°C

17th Jul 2025627 AMAQI
17th Jul 2025698 AMAQI
17th Jul 2025709 AMAQI
17th Jul 20257710 AMAQI
17th Jul 20257411 AMAQI
17th Jul 20256712 PMAQI
17th Jul 2025681 PMAQI
17th Jul 2025642 PMAQI
17th Jul 2025733 PMAQI
17th Jul 2025504 PMAQI
17th Jul 2025525 PMAQI
17th Jul 2025746 PMAQI
17th Jul 2025757 PMAQI
17th Jul 2025778 PMAQI
17th Jul 2025849 PMAQI
17th Jul 20258410 PMAQI
17th Jul 20258911 PMAQI
18th Jul 20258312 AMAQI
18th Jul 2025981 AMAQI
18th Jul 2025972 AMAQI
18th Jul 20251383 AMAQI
18th Jul 2025894 AMAQI
18th Jul 20251085 AMAQI
18th Jul 20251186 AMAQI

8°C4/16°C

18th Jul 2025857 AMAQI
18th Jul 2025858 AMAQI
18th Jul 2025889 AMAQI
18th Jul 202510910 AMAQI
18th Jul 20259211 AMAQI
18th Jul 20258512 PMAQI
18th Jul 2025851 PMAQI
18th Jul 2025802 PMAQI
18th Jul 2025743 PMAQI
18th Jul 2025634 PMAQI
18th Jul 2025715 PMAQI
18th Jul 2025946 PMAQI
18th Jul 2025877 PMAQI
18th Jul 20251028 PMAQI
18th Jul 20251299 PMAQI
18th Jul 202512610 PMAQI
18th Jul 20259911 PMAQI
19th Jul 20258612 AMAQI
19th Jul 2025731 AMAQI
19th Jul 20251382 AMAQI
19th Jul 20251613 AMAQI
19th Jul 20251484 AMAQI
19th Jul 20251005 AMAQI
19th Jul 2025896 AMAQI

9°C4/16°C

19th Jul 2025847 AMAQI
19th Jul 2025688 AMAQI
19th Jul 2025869 AMAQI
19th Jul 20258610 AMAQI
19th Jul 20259211 AMAQI
19th Jul 20259812 PMAQI
19th Jul 2025841 PMAQI
19th Jul 2025782 PMAQI
19th Jul 2025923 PMAQI
19th Jul 2025744 PMAQI
19th Jul 2025705 PMAQI
19th Jul 2025886 PMAQI
19th Jul 20251077 PMAQI
19th Jul 20251168 PMAQI
19th Jul 20251229 PMAQI
19th Jul 202510710 PMAQI
19th Jul 202511611 PMAQI
20th Jul 202510012 AMAQI
20th Jul 20251611 AMAQI
20th Jul 20251712 AMAQI
20th Jul 20251213 AMAQI
20th Jul 2025954 AMAQI
20th Jul 20251075 AMAQI
20th Jul 20251066 AMAQI

10°C6/16°C

20th Jul 20251007 AMAQI
20th Jul 20251218 AMAQI
20th Jul 20251049 AMAQI
20th Jul 202511110 AMAQI
20th Jul 202514511 AMAQI
20th Jul 202514212 PMAQI
20th Jul 2025881 PMAQI
20th Jul 2025972 PMAQI
20th Jul 2025873 PMAQI
20th Jul 2025834 PMAQI
20th Jul 2025735 PMAQI
20th Jul 20251086 PMAQI
20th Jul 20251227 PMAQI
20th Jul 20251278 PMAQI
20th Jul 20251379 PMAQI
20th Jul 202512510 PMAQI
20th Jul 202515611 PMAQI
21st Jul 202512712 AMAQI
21st Jul 20251541 AMAQI
21st Jul 20251362 AMAQI
21st Jul 20251243 AMAQI
21st Jul 20251054 AMAQI
21st Jul 20251425 AMAQI
21st Jul 2025806 AMAQI

10°C8/15°C

21st Jul 2025857 AMAQI
21st Jul 20251058 AMAQI
21st Jul 20251049 AMAQI
21st Jul 20259410 AMAQI
21st Jul 20259311 AMAQI
21st Jul 202511812 PMAQI
21st Jul 20251001 PMAQI
21st Jul 2025862 PMAQI
21st Jul 2025803 PMAQI
21st Jul 2025584 PMAQI
21st Jul 2025705 PMAQI
21st Jul 20251046 PMAQI
21st Jul 20251047 PMAQI
21st Jul 20251108 PMAQI
21st Jul 20251049 PMAQI
21st Jul 202512910 PMAQI
21st Jul 202510811 PMAQI
22nd Jul 202511312 AMAQI
22nd Jul 2025971 AMAQI
22nd Jul 20251042 AMAQI
22nd Jul 2025843 AMAQI
22nd Jul 2025534 AMAQI
22nd Jul 2025425 AMAQI
22nd Jul 2025426 AMAQI

10°C7/15°C

22nd Jul 2025487 AMAQI
22nd Jul 2025568 AMAQI
22nd Jul 2025639 AMAQI
22nd Jul 20256410 AMAQI
22nd Jul 20255911 AMAQI
22nd Jul 20255912 PMAQI
22nd Jul 2025611 PMAQI
22nd Jul 2025582 PMAQI
22nd Jul 2025543 PMAQI
22nd Jul 2025684 PMAQI
22nd Jul 2025565 PMAQI
22nd Jul 2025706 PMAQI
22nd Jul 2025727 PMAQI
22nd Jul 2025688 PMAQI
22nd Jul 2025889 PMAQI
22nd Jul 20258010 PMAQI
22nd Jul 20257511 PMAQI
23rd Jul 20257412 AMAQI
23rd Jul 20251521 AMAQI
23rd Jul 20251282 AMAQI
23rd Jul 2025803 AMAQI
23rd Jul 20251264 AMAQI
23rd Jul 2025825 AMAQI
23rd Jul 2025706 AMAQI

10°C6/15°C

23rd Jul 2025797 AMAQI
23rd Jul 2025928 AMAQI
23rd Jul 2025929 AMAQI
23rd Jul 202512110 AMAQI
23rd Jul 20259211 AMAQI
23rd Jul 202512112 PMAQI
23rd Jul 20251381 PMAQI
23rd Jul 2025912 PMAQI
23rd Jul 2025863 PMAQI
23rd Jul 2025744 PMAQI
23rd Jul 2025785 PMAQI
23rd Jul 20251046 PMAQI
23rd Jul 20251087 PMAQI
23rd Jul 20251338 PMAQI
23rd Jul 20251489 PMAQI
23rd Jul 202511410 PMAQI
23rd Jul 202513511 PMAQI
24th Jul 202510612 AMAQI
24th Jul 20251191 AMAQI
24th Jul 20251102 AMAQI
24th Jul 20251923 AMAQI
24th Jul 20251004 AMAQI
24th Jul 20251105 AMAQI
24th Jul 2025846 AMAQI

10°C6/16°C

24th Jul 2025987 AMAQI
24th Jul 20251128 AMAQI
24th Jul 20251079 AMAQI
24th Jul 202510410 AMAQI
24th Jul 202510211 AMAQI
24th Jul 202510412 PMAQI
24th Jul 2025961 PMAQI
24th Jul 20251012 PMAQI
24th Jul 2025803 PMAQI
24th Jul 2025624 PMAQI
24th Jul 2025725 PMAQI
24th Jul 20251076 PMAQI
24th Jul 20251167 PMAQI
24th Jul 20251048 PMAQI
24th Jul 20251049 PMAQI
24th Jul 202510410 PMAQI
24th Jul 202510811 PMAQI
25th Jul 202510212 AMAQI
25th Jul 2025561 AMAQI
25th Jul 2025522 AMAQI
25th Jul 2025283 AMAQI
25th Jul 2025284 AMAQI
25th Jul 2025265 AMAQI
25th Jul 2025226 AMAQI

9°C6/12°C

25th Jul 2025257 AMAQI
25th Jul 2025358 AMAQI
25th Jul 2025369 AMAQI
25th Jul 20253610 AMAQI
25th Jul 20253911 AMAQI
25th Jul 20254612 PMAQI
25th Jul 2025441 PMAQI
25th Jul 2025392 PMAQI
25th Jul 2025413 PMAQI
25th Jul 2025444 PMAQI
25th Jul 2025495 PMAQI
25th Jul 2025486 PMAQI
25th Jul 2025487 PMAQI
25th Jul 2025538 PMAQI
25th Jul 2025529 PMAQI
25th Jul 20256110 PMAQI
25th Jul 20257211 PMAQI
26th Jul 202511312 AMAQI
26th Jul 2025821 AMAQI
26th Jul 2025942 AMAQI
26th Jul 20251353 AMAQI
26th Jul 20251394 AMAQI
26th Jul 20251645 AMAQI
26th Jul 20251226 AMAQI

11°C9/14°C

26th Jul 20251527 AMAQI
26th Jul 20251428 AMAQI
26th Jul 20251189 AMAQI
26th Jul 202513310 AMAQI
26th Jul 202512811 AMAQI
26th Jul 202511212 PMAQI
26th Jul 20251081 PMAQI
26th Jul 20251272 PMAQI
26th Jul 2025843 PMAQI
26th Jul 2025584 PMAQI
26th Jul 2025825 PMAQI
26th Jul 20251166 PMAQI
26th Jul 20251167 PMAQI
26th Jul 20251168 PMAQI
26th Jul 20251159 PMAQI
26th Jul 202512710 PMAQI
26th Jul 202512911 PMAQI
27th Jul 202512312 AMAQI
27th Jul 20251251 AMAQI
27th Jul 20251162 AMAQI
27th Jul 2025913 AMAQI
27th Jul 2025874 AMAQI
27th Jul 2025755 AMAQI
27th Jul 2025736 AMAQI

10°C8/13°C

27th Jul 2025757 AMAQI
27th Jul 2025888 AMAQI
27th Jul 2025779 AMAQI
27th Jul 20258010 AMAQI
27th Jul 20257911 AMAQI
27th Jul 20257612 PMAQI
27th Jul 2025721 PMAQI
27th Jul 2025682 PMAQI
27th Jul 2025683 PMAQI
27th Jul 2025624 PMAQI
27th Jul 2025745 PMAQI
27th Jul 2025836 PMAQI
27th Jul 2025827 PMAQI
27th Jul 2025838 PMAQI
27th Jul 2025879 PMAQI
27th Jul 20257710 PMAQI
27th Jul 20258011 PMAQI
28th Jul 20258012 AMAQI
28th Jul 2025561 AMAQI
28th Jul 2025622 AMAQI
28th Jul 2025423 AMAQI
28th Jul 2025454 AMAQI
28th Jul 2025515 AMAQI
28th Jul 2025346 AMAQI

10°C9/12°C

28th Jul 2025407 AMAQI
28th Jul 2025408 AMAQI
28th Jul 2025449 AMAQI
28th Jul 20255410 AMAQI
28th Jul 20255711 AMAQI
28th Jul 20256412 PMAQI
28th Jul 2025581 PMAQI
28th Jul 2025562 PMAQI
28th Jul 2025523 PMAQI
28th Jul 2025564 PMAQI
28th Jul 2025535 PMAQI
28th Jul 2025546 PMAQI
28th Jul 2025607 PMAQI
28th Jul 2025568 PMAQI
28th Jul 2025649 PMAQI
28th Jul 20257410 PMAQI
28th Jul 20257011 PMAQI
29th Jul 20257712 AMAQI
29th Jul 20251261 AMAQI
29th Jul 20251552 AMAQI
29th Jul 20251223 AMAQI
29th Jul 20251384 AMAQI
29th Jul 20251025 AMAQI
29th Jul 2025796 AMAQI

13°C10/17°C

29th Jul 20251107 AMAQI
29th Jul 20251088 AMAQI
29th Jul 20251249 AMAQI
29th Jul 202511810 AMAQI
29th Jul 202511811 AMAQI
29th Jul 202511112 PMAQI
29th Jul 2025911 PMAQI
29th Jul 2025842 PMAQI
29th Jul 2025903 PMAQI
29th Jul 20251044 PMAQI
29th Jul 20251085 PMAQI
29th Jul 2025866 PMAQI
29th Jul 20251007 PMAQI
29th Jul 20251068 PMAQI
29th Jul 20251329 PMAQI
29th Jul 202514010 PMAQI
29th Jul 202510111 PMAQI
30th Jul 202511312 AMAQI
30th Jul 20251021 AMAQI
30th Jul 2025802 AMAQI
30th Jul 2025633 AMAQI
30th Jul 2025514 AMAQI
30th Jul 2025505 AMAQI
30th Jul 2025486 AMAQI

14°C11/18°C

30th Jul 2025527 AMAQI
30th Jul 2025578 AMAQI
30th Jul 2025589 AMAQI
30th Jul 20255510 AMAQI
30th Jul 20255611 AMAQI
30th Jul 20256212 PMAQI
30th Jul 2025601 PMAQI
30th Jul 2025562 PMAQI
30th Jul 2025573 PMAQI
30th Jul 2025574 PMAQI
30th Jul 2025575 PMAQI
30th Jul 2025576 PMAQI
30th Jul 2025577 PMAQI
30th Jul 2025578 PMAQI
30th Jul 2025579 PMAQI
30th Jul 20256010 PMAQI
30th Jul 20256311 PMAQI
31st Jul 20256012 AMAQI
31st Jul 2025321 AMAQI
31st Jul 2025272 AMAQI
31st Jul 2025253 AMAQI
31st Jul 2025234 AMAQI
31st Jul 2025165 AMAQI
31st Jul 2025146 AMAQI

13°C12/15°C

31st Jul 2025257 AMAQI
7 AM
31st Jul 2025558 AMAQI
31st Jul 2025509 AMAQI
31st Jul 20255010 AMAQI
31st Jul 20255811 AMAQI
31st Jul 20254012 PMAQI
12 PM
5 PM
12 AM
6 AM

--°C/°C

Day time
Avg. Highest Time
10 AM - 5 PM

85AQI

8 hours / Day
240 hours / Month
Avg. Lowest Time
7 AM - 5 PM

85AQI

11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 5 PM (Avg. 85), while the lowest AQI was between 7 AM to 5 PM (Avg. 85).
Night time
Avg. Highest Time
1 AM - 2 AM

112AQI

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

78AQI

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. 112), while the lowest AQI was between 6 AM to 6 AM (Avg. 78).

2025 Days Vs Air Quality

Puren, Chillan, Biobio, Chile

2025

44%

93

36%

77

16%

34

3%

7

Total number of days with different AQI categories in last 212 days in 2025 (153 days remaining)

Good
93 Days
Moderate
77 Days
Poor
34 Days
Unhealthy
7 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 44%

Health Risk Level:

Significant

In 2025, 44% of 212 days were within WHO’s safe air quality limits, and 56% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.

Annual Air Quality Insights

Puren, Chillan, 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
30AQI
2nd January 2025
30AQI
3rd January 2025
36AQI
4th January 2025
35AQI
5th January 2025
30AQI
6th January 2025
43AQI
7th January 2025
32AQI
8th January 2025
31AQI
9th January 2025
26AQI
10th January 2025
34AQI
11th January 2025
32AQI
12th January 2025
75AQI
13th January 2025
34AQI
14th January 2025
31AQI
15th January 2025
22AQI
16th January 2025
22AQI
17th January 2025
25AQI
18th January 2025
26AQI
19th January 2025
26AQI
20th January 2025
32AQI
21st January 2025
25AQI
22nd January 2025
28AQI
23rd January 2025
22AQI
24th January 2025
29AQI
25th January 2025
27AQI
26th January 2025
31AQI
27th January 2025
27AQI
28th January 2025
33AQI
29th January 2025
44AQI
30th January 2025
46AQI
31st January 2025
30AQI
1st February 2025
28AQI
2nd February 2025
26AQI
3rd February 2025
27AQI
4th February 2025
38AQI
5th February 2025
26AQI
6th February 2025
37AQI
7th February 2025
63AQI
8th February 2025
61AQI
9th February 2025
60AQI
10th February 2025
66AQI
11th February 2025
69AQI
12th February 2025
50AQI
13th February 2025
49AQI
14th February 2025
31AQI
15th February 2025
31AQI
16th February 2025
32AQI
17th February 2025
30AQI
18th February 2025
43AQI
19th February 2025
47AQI
20th February 2025
43AQI
21st February 2025
47AQI
22nd February 2025
29AQI
23rd February 2025
29AQI
24th February 2025
22AQI
25th February 2025
42AQI
26th February 2025
86AQI
27th February 2025
48AQI
28th February 2025
24AQI
1st March 2025
21AQI
2nd March 2025
20AQI
3rd March 2025
22AQI
4th March 2025
31AQI
5th March 2025
29AQI
6th March 2025
25AQI
7th March 2025
23AQI
8th March 2025
21AQI
9th March 2025
22AQI
10th March 2025
23AQI
11th March 2025
40AQI
12th March 2025
53AQI
13th March 2025
37AQI
14th March 2025
32AQI
15th March 2025
32AQI
16th March 2025
39AQI
17th March 2025
34AQI
18th March 2025
28AQI
19th March 2025
38AQI
20th March 2025
33AQI
21st March 2025
26AQI
22nd March 2025
48AQI
23rd March 2025
65AQI
24th March 2025
46AQI
25th March 2025
55AQI
26th March 2025
63AQI
27th March 2025
57AQI
28th March 2025
45AQI
29th March 2025
41AQI
30th March 2025
23AQI
31st March 2025
27AQI
1st April 2025
31AQI
2nd April 2025
47AQI
3rd April 2025
45AQI
4th April 2025
55AQI
5th April 2025
52AQI
6th April 2025
43AQI
7th April 2025
58AQI
8th April 2025
108AQI
9th April 2025
60AQI
10th April 2025
41AQI
11th April 2025
38AQI
12th April 2025
39AQI
13th April 2025
54AQI
14th April 2025
61AQI
15th April 2025
77AQI
16th April 2025
71AQI
17th April 2025
50AQI
18th April 2025
43AQI
19th April 2025
65AQI
20th April 2025
81AQI
21st April 2025
104AQI
22nd April 2025
104AQI
23rd April 2025
66AQI
24th April 2025
45AQI
25th April 2025
39AQI
26th April 2025
77AQI
27th April 2025
63AQI
28th April 2025
51AQI
29th April 2025
77AQI
30th April 2025
91AQI
1st May 2025
65AQI
2nd May 2025
86AQI
3rd May 2025
104AQI
4th May 2025
53AQI
5th May 2025
85AQI
6th May 2025
103AQI
7th May 2025
81AQI
8th May 2025
63AQI
9th May 2025
59AQI
10th May 2025
66AQI
11th May 2025
65AQI
12th May 2025
90AQI
13th May 2025
121AQI
14th May 2025
109AQI
15th May 2025
114AQI
16th May 2025
106AQI
17th May 2025
54AQI
18th May 2025
90AQI
19th May 2025
95AQI
20th May 2025
81AQI
21st May 2025
94AQI
22nd May 2025
89AQI
23rd May 2025
146AQI
24th May 2025
96AQI
25th May 2025
77AQI
26th May 2025
49AQI
27th May 2025
74AQI
28th May 2025
66AQI
29th May 2025
86AQI
30th May 2025
72AQI
31st May 2025
67AQI
1st June 2025
93AQI
2nd June 2025
148AQI
3rd June 2025
151AQI
4th June 2025
153AQI
5th June 2025
104AQI
6th June 2025
114AQI
7th June 2025
101AQI
8th June 2025
122AQI
9th June 2025
135AQI
10th June 2025
170AQI
11th June 2025
133AQI
12th June 2025
54AQI
13th June 2025
67AQI
14th June 2025
60AQI
15th June 2025
40AQI
16th June 2025
41AQI
17th June 2025
69AQI
18th June 2025
101AQI
19th June 2025
95AQI
20th June 2025
111AQI
21st June 2025
76AQI
22nd June 2025
75AQI
23rd June 2025
87AQI
24th June 2025
114AQI
25th June 2025
93AQI
26th June 2025
126AQI
27th June 2025
144AQI
28th June 2025
133AQI
29th June 2025
150AQI
30th June 2025
133AQI
1st July 2025
155AQI
2nd July 2025
163AQI
3rd July 2025
164AQI
4th July 2025
157AQI
5th July 2025
141AQI
6th July 2025
56AQI
7th July 2025
58AQI
8th July 2025
53AQI
9th July 2025
60AQI
10th July 2025
95AQI
11th July 2025
107AQI
12th July 2025
85AQI
13th July 2025
64AQI
14th July 2025
61AQI
15th July 2025
60AQI
16th July 2025
98AQI
17th July 2025
76AQI
18th July 2025
98AQI
19th July 2025
101AQI
20th July 2025
118AQI
21st July 2025
108AQI
22nd July 2025
69AQI
23rd July 2025
107AQI
24th July 2025
106AQI
25th July 2025
46AQI
26th July 2025
118AQI
27th July 2025
85AQI
28th July 2025
56AQI
29th July 2025
110AQI
30th July 2025
64AQI

32AQI

42AQI

35AQI

61AQI

84AQI

106AQI

95AQI

No. of days

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

202565AQI

30
1
22
6
26
5
11
16
3
1
23
7
2
10
15
3
1
16
9
4
93
77
34
7

Highest AQI recorded in

June

106AQI

Lowest AQI recorded in

January

32AQI

202463AQI

23
8
23
3
24
3
11
17
2
1
9
11
8
2
9
10
8
3
4
7
12
6
2
2
16
12
1
13
15
2
27
4
30
31
198
92
47
18
4

Highest AQI recorded in

May

131AQI

Lowest AQI recorded in

November

27AQI

202368AQI

31
11
7
4
5
1
23
8
9
15
5
1
3
15
9
4
3
13
7
5
2
2
14
8
6
1
8
11
9
3
14
14
2
19
4
26
1
31
180
102
44
24
4

Highest AQI recorded in

July

112AQI

Lowest AQI recorded in

January

27AQI

202261AQI

31
9
9
2
1
24
7
12
14
3
1
1
15
7
7
1
14
13
3
2
10
7
3
1
1
7
18
3
1
23
8
29
1
30
1
168
98
35
16
2

Highest AQI recorded in

May

113AQI

Lowest AQI recorded in

December

27AQI

202173AQI

29
1
25
3
18
12
1
6
19
5
1
8
7
11
4
11
7
8
3
1
7
11
12
1
1
10
12
8
9
20
1
28
3
30
26
5
173
99
44
39
8
1

Highest AQI recorded in

May

141AQI

Lowest AQI recorded in

January

29AQI

202078AQI

12
1
9
11
1
7
4
7
11
7
10
2
7
11
8
4
1
19
5
6
1
4
20
5
1
23
8
29
1
30
1
107
86
33
32
7
1

Highest AQI recorded in

July

144AQI

Lowest AQI recorded in

December

24AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2020(Avg.)
78AQI
Least Polluted Year Recorded
2022(Avg.)
61AQI

Puren's annual 2025 AQI (65) shows an average percentage change of -4.7% (improved AQI) compared to previous years: 2020 (78), 2021 (73), 2022 (61), 2023 (68), 2024 (63).