Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Hualqui, Concepcion, 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

Hualqui, Concepcion, Biobio, Chile

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
12th Aug 2021
169AQI
Lowest AQI recorded on
20th Aug 2023
20AQI

Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 48 of Good air quality, showing improvement over 2023 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025

Hualqui, Concepcion, Biobio, Chile

AQI
Day
Night
.

8 AM2nd Aug 2025

5 PM

7 AM3rd Aug 2025

Day time
Avg. Highest Time
7AM3rd Aug

66AQI

Avg. Lowest Time
8AM2nd Aug

38AQI

Night time
Avg. Highest Time
2AM3rd Aug

81AQI

Avg. Lowest Time
9PM2nd Aug

50AQI

In the last 24 hours,

Hualqui's AQI reached its highest point of 81 at 2 AM during the Night, while the lowest point, 38, was recorded at 8 AM during the Day between 2nd Aug and 3rd Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Hualqui, Concepcion, Biobio, Chile

JulAug
04th - 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 - 01st01st - 02nd02nd - 03rd03rd
Day
Night
4th Jul 20251068 AMAQI
4th Jul 20251409 AMAQI
4th Jul 202514510 AMAQI
4th Jul 202515911 AMAQI
4th Jul 202515812 PMAQI
4th Jul 20251311 PMAQI
4th Jul 20251222 PMAQI
4th Jul 20251113 PMAQI
4th Jul 20251334 PMAQI
4th Jul 20251335 PMAQI
4th Jul 20251396 PMAQI
4th Jul 20251317 PMAQI
4th Jul 20251488 PMAQI
4th Jul 20251669 PMAQI
4th Jul 202516410 PMAQI
4th Jul 202515611 PMAQI
5th Jul 202515812 AMAQI
5th Jul 20251471 AMAQI
5th Jul 20251662 AMAQI
5th Jul 20251043 AMAQI
5th Jul 20251244 AMAQI
5th Jul 20251315 AMAQI
5th Jul 2025986 AMAQI
5th Jul 2025787 AMAQI

11°C8/16°C

5th Jul 2025808 AMAQI
5th Jul 2025879 AMAQI
5th Jul 202510510 AMAQI
5th Jul 20258511 AMAQI
5th Jul 20258112 PMAQI
5th Jul 2025861 PMAQI
5th Jul 2025712 PMAQI
5th Jul 20251003 PMAQI
5th Jul 20251224 PMAQI
5th Jul 20251385 PMAQI
5th Jul 20251196 PMAQI
5th Jul 20251107 PMAQI
5th Jul 20251248 PMAQI
5th Jul 20251059 PMAQI
5th Jul 202510910 PMAQI
5th Jul 202510811 PMAQI
6th Jul 202510012 AMAQI
6th Jul 2025621 AMAQI
6th Jul 2025342 AMAQI
6th Jul 2025303 AMAQI
6th Jul 2025504 AMAQI
6th Jul 2025905 AMAQI
6th Jul 2025806 AMAQI
6th Jul 2025387 AMAQI

11°C9/13°C

6th Jul 2025568 AMAQI
6th Jul 2025429 AMAQI
6th Jul 20255110 AMAQI
6th Jul 20254611 AMAQI
6th Jul 20255412 PMAQI
6th Jul 2025511 PMAQI
6th Jul 2025522 PMAQI
6th Jul 2025573 PMAQI
6th Jul 2025564 PMAQI
6th Jul 2025565 PMAQI
6th Jul 2025546 PMAQI
6th Jul 2025577 PMAQI
6th Jul 2025568 PMAQI
6th Jul 2025569 PMAQI
6th Jul 20256010 PMAQI
6th Jul 20256011 PMAQI
7th Jul 20256012 AMAQI
7th Jul 2025601 AMAQI
7th Jul 2025622 AMAQI
7th Jul 2025483 AMAQI
7th Jul 2025524 AMAQI
7th Jul 2025535 AMAQI
7th Jul 2025496 AMAQI
7th Jul 2025407 AMAQI

12°C12/13°C

7th Jul 2025348 AMAQI
7th Jul 2025449 AMAQI
7th Jul 20255710 AMAQI
7th Jul 20256011 AMAQI
7th Jul 20255012 PMAQI
7th Jul 2025461 PMAQI
7th Jul 2025522 PMAQI
7th Jul 2025523 PMAQI
7th Jul 2025524 PMAQI
7th Jul 2025545 PMAQI
7th Jul 2025556 PMAQI
7th Jul 2025567 PMAQI
7th Jul 2025558 PMAQI
7th Jul 2025569 PMAQI
7th Jul 20256910 PMAQI
7th Jul 20256111 PMAQI
8th Jul 20256212 AMAQI
8th Jul 20251001 AMAQI
8th Jul 20251222 AMAQI
8th Jul 20251043 AMAQI
8th Jul 2025684 AMAQI
8th Jul 2025695 AMAQI
8th Jul 2025586 AMAQI
8th Jul 2025627 AMAQI

12°C10/14°C

8th Jul 2025648 AMAQI
8th Jul 2025639 AMAQI
8th Jul 20256610 AMAQI
8th Jul 20256611 AMAQI
8th Jul 20256612 PMAQI
8th Jul 2025661 PMAQI
8th Jul 2025632 PMAQI
8th Jul 2025633 PMAQI
8th Jul 2025664 PMAQI
8th Jul 2025665 PMAQI
8th Jul 2025686 PMAQI
8th Jul 2025687 PMAQI
8th Jul 2025718 PMAQI
8th Jul 2025789 PMAQI
8th Jul 20257810 PMAQI
8th Jul 20258411 PMAQI
9th Jul 20258612 AMAQI
9th Jul 2025981 AMAQI
9th Jul 20251292 AMAQI
9th Jul 20251503 AMAQI
9th Jul 20251014 AMAQI
9th Jul 2025885 AMAQI
9th Jul 2025826 AMAQI
9th Jul 2025667 AMAQI

10°C7/13°C

9th Jul 2025728 AMAQI
9th Jul 2025759 AMAQI
9th Jul 20257710 AMAQI
9th Jul 20258311 AMAQI
9th Jul 20258012 PMAQI
9th Jul 2025801 PMAQI
9th Jul 2025772 PMAQI
9th Jul 2025793 PMAQI
9th Jul 2025814 PMAQI
9th Jul 2025775 PMAQI
9th Jul 2025836 PMAQI
9th Jul 2025777 PMAQI
9th Jul 2025958 PMAQI
9th Jul 20251009 PMAQI
9th Jul 202510310 PMAQI
9th Jul 202510611 PMAQI
10th Jul 202511312 AMAQI
10th Jul 20251371 AMAQI
10th Jul 20251312 AMAQI
10th Jul 20251253 AMAQI
10th Jul 20251284 AMAQI
10th Jul 2025695 AMAQI
10th Jul 2025696 AMAQI
10th Jul 2025687 AMAQI

7°C5/12°C

10th Jul 2025758 AMAQI
10th Jul 2025789 AMAQI
10th Jul 20258410 AMAQI
10th Jul 20258311 AMAQI
10th Jul 20258112 PMAQI
10th Jul 2025961 PMAQI
10th Jul 2025862 PMAQI
10th Jul 2025833 PMAQI
10th Jul 2025944 PMAQI
10th Jul 2025855 PMAQI
10th Jul 2025866 PMAQI
10th Jul 2025867 PMAQI
10th Jul 2025958 PMAQI
10th Jul 2025949 PMAQI
10th Jul 202510010 PMAQI
10th Jul 202511611 PMAQI
11th Jul 202510912 AMAQI
11th Jul 20251441 AMAQI
11th Jul 20251232 AMAQI
11th Jul 2025983 AMAQI
11th Jul 2025924 AMAQI
11th Jul 2025915 AMAQI
11th Jul 2025746 AMAQI
11th Jul 2025747 AMAQI

8°C4/12°C

11th Jul 2025778 AMAQI
11th Jul 2025789 AMAQI
11th Jul 20258610 AMAQI
11th Jul 20259911 AMAQI
11th Jul 20259012 PMAQI
11th Jul 20251021 PMAQI
11th Jul 2025832 PMAQI
11th Jul 2025833 PMAQI
11th Jul 2025864 PMAQI
11th Jul 2025845 PMAQI
11th Jul 2025906 PMAQI
11th Jul 2025847 PMAQI
11th Jul 2025998 PMAQI
11th Jul 20251009 PMAQI
11th Jul 202510810 PMAQI
11th Jul 202510211 PMAQI
12th Jul 202510012 AMAQI
12th Jul 20251041 AMAQI
12th Jul 2025942 AMAQI
12th Jul 2025983 AMAQI
12th Jul 2025704 AMAQI
12th Jul 2025705 AMAQI
12th Jul 2025586 AMAQI
12th Jul 2025567 AMAQI

9°C6/13°C

12th Jul 2025648 AMAQI
12th Jul 2025649 AMAQI
12th Jul 20256110 AMAQI
12th Jul 20256311 AMAQI
12th Jul 20256012 PMAQI
12th Jul 2025631 PMAQI
12th Jul 2025572 PMAQI
12th Jul 2025633 PMAQI
12th Jul 2025704 PMAQI
12th Jul 2025695 PMAQI
12th Jul 2025676 PMAQI
12th Jul 2025667 PMAQI
12th Jul 2025888 PMAQI
12th Jul 2025869 PMAQI
12th Jul 20259010 PMAQI
12th Jul 20259911 PMAQI
13th Jul 202510112 AMAQI
13th Jul 2025941 AMAQI
13th Jul 20251002 AMAQI
13th Jul 20251463 AMAQI
13th Jul 2025934 AMAQI
13th Jul 2025565 AMAQI
13th Jul 2025486 AMAQI
13th Jul 2025577 AMAQI

10°C7/14°C

13th Jul 2025628 AMAQI
13th Jul 2025619 AMAQI
13th Jul 20256010 AMAQI
13th Jul 20256211 AMAQI
13th Jul 20256912 PMAQI
13th Jul 2025621 PMAQI
13th Jul 2025602 PMAQI
13th Jul 2025663 PMAQI
13th Jul 2025684 PMAQI
13th Jul 2025685 PMAQI
13th Jul 2025666 PMAQI
13th Jul 2025727 PMAQI
13th Jul 2025808 PMAQI
13th Jul 2025849 PMAQI
13th Jul 20259410 PMAQI
13th Jul 20257911 PMAQI
14th Jul 20257612 AMAQI
14th Jul 2025771 AMAQI
14th Jul 2025832 AMAQI
14th Jul 2025663 AMAQI
14th Jul 2025674 AMAQI
14th Jul 2025675 AMAQI
14th Jul 2025736 AMAQI
14th Jul 2025487 AMAQI

9°C7/13°C

14th Jul 2025568 AMAQI
14th Jul 2025639 AMAQI
14th Jul 20257210 AMAQI
14th Jul 20258611 AMAQI
14th Jul 20258812 PMAQI
14th Jul 2025761 PMAQI
14th Jul 2025782 PMAQI
14th Jul 2025603 PMAQI
14th Jul 2025584 PMAQI
14th Jul 2025595 PMAQI
14th Jul 2025636 PMAQI
14th Jul 2025587 PMAQI
14th Jul 2025688 PMAQI
14th Jul 2025709 PMAQI
14th Jul 20257210 PMAQI
14th Jul 20257211 PMAQI
15th Jul 20256512 AMAQI
15th Jul 20251051 AMAQI
15th Jul 20251122 AMAQI
15th Jul 2025703 AMAQI
15th Jul 2025664 AMAQI
15th Jul 2025495 AMAQI
15th Jul 2025426 AMAQI
15th Jul 2025517 AMAQI

10°C8/11°C

15th Jul 2025558 AMAQI
15th Jul 2025539 AMAQI
15th Jul 20255810 AMAQI
15th Jul 20257011 AMAQI
15th Jul 20256412 PMAQI
15th Jul 2025621 PMAQI
15th Jul 2025562 PMAQI
15th Jul 2025583 PMAQI
15th Jul 2025574 PMAQI
15th Jul 2025465 PMAQI
15th Jul 2025616 PMAQI
15th Jul 2025667 PMAQI
15th Jul 2025708 PMAQI
15th Jul 2025659 PMAQI
15th Jul 20257510 PMAQI
15th Jul 20256411 PMAQI
16th Jul 20256612 AMAQI
16th Jul 20251411 AMAQI
16th Jul 20251442 AMAQI
16th Jul 20251523 AMAQI
16th Jul 20251154 AMAQI
16th Jul 2025905 AMAQI
16th Jul 2025846 AMAQI
16th Jul 2025787 AMAQI

9°C7/12°C

16th Jul 2025808 AMAQI
16th Jul 2025809 AMAQI
16th Jul 20257610 AMAQI
16th Jul 20258811 AMAQI
16th Jul 20256612 PMAQI
16th Jul 20251061 PMAQI
16th Jul 2025802 PMAQI
16th Jul 2025843 PMAQI
16th Jul 2025464 PMAQI
16th Jul 2025575 PMAQI
16th Jul 2025876 PMAQI
16th Jul 20251017 PMAQI
16th Jul 20251218 PMAQI
16th Jul 20251349 PMAQI
16th Jul 202512810 PMAQI
16th Jul 202512011 PMAQI
17th Jul 202511812 AMAQI
17th Jul 20251201 AMAQI
17th Jul 20251242 AMAQI
17th Jul 20251063 AMAQI
17th Jul 2025794 AMAQI
17th Jul 2025775 AMAQI
17th Jul 2025766 AMAQI
17th Jul 2025707 AMAQI

8°C5/13°C

17th Jul 2025798 AMAQI
17th Jul 2025649 AMAQI
17th Jul 20258410 AMAQI
17th Jul 202513211 AMAQI
17th Jul 20259412 PMAQI
17th Jul 20251081 PMAQI
17th Jul 2025802 PMAQI
17th Jul 2025723 PMAQI
17th Jul 2025584 PMAQI
17th Jul 2025645 PMAQI
17th Jul 2025896 PMAQI
17th Jul 2025827 PMAQI
17th Jul 2025808 PMAQI
17th Jul 2025959 PMAQI
17th Jul 20259410 PMAQI
17th Jul 20259411 PMAQI
18th Jul 202510612 AMAQI
18th Jul 20251101 AMAQI
18th Jul 2025782 AMAQI
18th Jul 20251343 AMAQI
18th Jul 20251144 AMAQI
18th Jul 20251075 AMAQI
18th Jul 2025816 AMAQI
18th Jul 2025797 AMAQI

10°C7/15°C

18th Jul 2025778 AMAQI
18th Jul 2025779 AMAQI
18th Jul 20258610 AMAQI
18th Jul 20257711 AMAQI
18th Jul 20258812 PMAQI
18th Jul 2025881 PMAQI
18th Jul 2025722 PMAQI
18th Jul 2025533 PMAQI
18th Jul 2025454 PMAQI
18th Jul 2025685 PMAQI
18th Jul 2025846 PMAQI
18th Jul 2025877 PMAQI
18th Jul 2025898 PMAQI
18th Jul 20251049 PMAQI
18th Jul 20259510 PMAQI
18th Jul 20259011 PMAQI
19th Jul 20258712 AMAQI
19th Jul 2025741 AMAQI
19th Jul 20251382 AMAQI
19th Jul 20251213 AMAQI
19th Jul 2025824 AMAQI
19th Jul 2025855 AMAQI
19th Jul 2025646 AMAQI
19th Jul 2025647 AMAQI

10°C8/14°C

19th Jul 2025688 AMAQI
19th Jul 2025799 AMAQI
19th Jul 20258310 AMAQI
19th Jul 20257511 AMAQI
19th Jul 20257712 PMAQI
19th Jul 2025831 PMAQI
19th Jul 2025832 PMAQI
19th Jul 2025693 PMAQI
19th Jul 2025624 PMAQI
19th Jul 2025715 PMAQI
19th Jul 2025806 PMAQI
19th Jul 2025837 PMAQI
19th Jul 2025918 PMAQI
19th Jul 2025889 PMAQI
19th Jul 20259410 PMAQI
19th Jul 20258711 PMAQI
20th Jul 202510912 AMAQI
20th Jul 20251461 AMAQI
20th Jul 20251582 AMAQI
20th Jul 20251263 AMAQI
20th Jul 20251194 AMAQI
20th Jul 2025965 AMAQI
20th Jul 2025886 AMAQI
20th Jul 2025767 AMAQI

11°C10/15°C

20th Jul 2025858 AMAQI
20th Jul 2025849 AMAQI
20th Jul 20258010 AMAQI
20th Jul 20259111 AMAQI
20th Jul 202511012 PMAQI
20th Jul 2025941 PMAQI
20th Jul 2025932 PMAQI
20th Jul 2025893 PMAQI
20th Jul 2025824 PMAQI
20th Jul 2025795 PMAQI
20th Jul 2025886 PMAQI
20th Jul 20251047 PMAQI
20th Jul 20251188 PMAQI
20th Jul 20251129 PMAQI
20th Jul 202512710 PMAQI
20th Jul 202513611 PMAQI
21st Jul 202513512 AMAQI
21st Jul 20251701 AMAQI
21st Jul 20251272 AMAQI
21st Jul 20251503 AMAQI
21st Jul 20251184 AMAQI
21st Jul 2025765 AMAQI
21st Jul 20251066 AMAQI
21st Jul 2025887 AMAQI

11°C10/14°C

21st Jul 20251018 AMAQI
21st Jul 2025989 AMAQI
21st Jul 20259210 AMAQI
21st Jul 202512211 AMAQI
21st Jul 202510312 PMAQI
21st Jul 2025861 PMAQI
21st Jul 2025862 PMAQI
21st Jul 2025763 PMAQI
21st Jul 2025614 PMAQI
21st Jul 2025745 PMAQI
21st Jul 20251036 PMAQI
21st Jul 20251027 PMAQI
21st Jul 20251018 PMAQI
21st Jul 20251139 PMAQI
21st Jul 202511010 PMAQI
21st Jul 202511011 PMAQI
22nd Jul 20259812 AMAQI
22nd Jul 2025851 AMAQI
22nd Jul 2025672 AMAQI
22nd Jul 2025603 AMAQI
22nd Jul 2025494 AMAQI
22nd Jul 2025385 AMAQI
22nd Jul 2025386 AMAQI
22nd Jul 2025397 AMAQI

11°C9/12°C

22nd Jul 2025518 AMAQI
22nd Jul 2025619 AMAQI
22nd Jul 20257210 AMAQI
22nd Jul 20258811 AMAQI
22nd Jul 20256612 PMAQI
22nd Jul 2025581 PMAQI
22nd Jul 2025512 PMAQI
22nd Jul 2025463 PMAQI
22nd Jul 2025494 PMAQI
22nd Jul 2025465 PMAQI
22nd Jul 2025616 PMAQI
22nd Jul 2025647 PMAQI
22nd Jul 2025658 PMAQI
22nd Jul 2025669 PMAQI
22nd Jul 20256610 PMAQI
22nd Jul 20256111 PMAQI
23rd Jul 20256312 AMAQI
23rd Jul 20251161 AMAQI
23rd Jul 20251282 AMAQI
23rd Jul 20251303 AMAQI
23rd Jul 20251114 AMAQI
23rd Jul 2025745 AMAQI
23rd Jul 2025786 AMAQI
23rd Jul 2025727 AMAQI

11°C8/14°C

23rd Jul 2025808 AMAQI
23rd Jul 2025989 AMAQI
23rd Jul 20259810 AMAQI
23rd Jul 20258311 AMAQI
23rd Jul 202511412 PMAQI
23rd Jul 20251481 PMAQI
23rd Jul 2025882 PMAQI
23rd Jul 2025863 PMAQI
23rd Jul 2025634 PMAQI
23rd Jul 2025715 PMAQI
23rd Jul 2025966 PMAQI
23rd Jul 2025937 PMAQI
23rd Jul 2025908 PMAQI
23rd Jul 2025999 PMAQI
23rd Jul 202510110 PMAQI
23rd Jul 202511211 PMAQI
24th Jul 202510812 AMAQI
24th Jul 2025851 AMAQI
24th Jul 20251182 AMAQI
24th Jul 2025973 AMAQI
24th Jul 2025924 AMAQI
24th Jul 2025675 AMAQI
24th Jul 2025606 AMAQI
24th Jul 2025797 AMAQI

10°C9/13°C

24th Jul 2025808 AMAQI
24th Jul 2025769 AMAQI
24th Jul 20259410 AMAQI
24th Jul 20258411 AMAQI
24th Jul 20257812 PMAQI
24th Jul 2025731 PMAQI
24th Jul 2025832 PMAQI
24th Jul 2025713 PMAQI
24th Jul 2025604 PMAQI
24th Jul 2025465 PMAQI
24th Jul 2025756 PMAQI
24th Jul 2025827 PMAQI
24th Jul 2025788 PMAQI
24th Jul 2025729 PMAQI
24th Jul 20257410 PMAQI
24th Jul 20257311 PMAQI
25th Jul 20257212 AMAQI
25th Jul 2025521 AMAQI
25th Jul 2025362 AMAQI
25th Jul 2025243 AMAQI
25th Jul 2025164 AMAQI
25th Jul 2025165 AMAQI
25th Jul 2025206 AMAQI
25th Jul 2025237 AMAQI

10°C8/11°C

25th Jul 2025308 AMAQI
25th Jul 2025269 AMAQI
25th Jul 20253710 AMAQI
25th Jul 20253111 AMAQI
25th Jul 20253012 PMAQI
25th Jul 2025341 PMAQI
25th Jul 2025382 PMAQI
25th Jul 2025343 PMAQI
25th Jul 2025344 PMAQI
25th Jul 2025385 PMAQI
25th Jul 2025386 PMAQI
25th Jul 2025337 PMAQI
25th Jul 2025468 PMAQI
25th Jul 2025509 PMAQI
25th Jul 20255810 PMAQI
25th Jul 20256011 PMAQI
26th Jul 20258012 AMAQI
26th Jul 2025641 AMAQI
26th Jul 2025812 AMAQI
26th Jul 2025803 AMAQI
26th Jul 2025644 AMAQI
26th Jul 2025475 AMAQI
26th Jul 2025546 AMAQI
26th Jul 2025517 AMAQI

11°C10/12°C

26th Jul 2025588 AMAQI
26th Jul 2025589 AMAQI
26th Jul 20255710 AMAQI
26th Jul 20256111 AMAQI
26th Jul 20256112 PMAQI
26th Jul 2025641 PMAQI
26th Jul 2025642 PMAQI
26th Jul 2025673 PMAQI
26th Jul 2025654 PMAQI
26th Jul 2025615 PMAQI
26th Jul 2025626 PMAQI
26th Jul 2025627 PMAQI
26th Jul 2025648 PMAQI
26th Jul 2025639 PMAQI
26th Jul 20256410 PMAQI
26th Jul 20256211 PMAQI
27th Jul 20256012 AMAQI
27th Jul 2025951 AMAQI
27th Jul 2025792 AMAQI
27th Jul 2025733 AMAQI
27th Jul 2025484 AMAQI
27th Jul 2025485 AMAQI
27th Jul 2025386 AMAQI
27th Jul 2025447 AMAQI

10°C9/12°C

27th Jul 2025428 AMAQI
27th Jul 2025439 AMAQI
27th Jul 20255010 AMAQI
27th Jul 20254811 AMAQI
27th Jul 20255012 PMAQI
27th Jul 2025521 PMAQI
27th Jul 2025532 PMAQI
27th Jul 2025523 PMAQI
27th Jul 2025514 PMAQI
27th Jul 2025555 PMAQI
27th Jul 2025586 PMAQI
27th Jul 2025597 PMAQI
27th Jul 2025598 PMAQI
27th Jul 2025569 PMAQI
27th Jul 20255510 PMAQI
27th Jul 20255811 PMAQI
28th Jul 20255712 AMAQI
28th Jul 2025281 AMAQI
28th Jul 2025242 AMAQI
28th Jul 2025243 AMAQI
28th Jul 2025224 AMAQI
28th Jul 2025185 AMAQI
28th Jul 2025166 AMAQI
28th Jul 2025217 AMAQI

11°C10/11°C

28th Jul 2025228 AMAQI
28th Jul 2025229 AMAQI
28th Jul 20253010 AMAQI
28th Jul 20254411 AMAQI
28th Jul 20254912 PMAQI
28th Jul 2025421 PMAQI
28th Jul 2025402 PMAQI
28th Jul 2025353 PMAQI
28th Jul 2025374 PMAQI
28th Jul 2025345 PMAQI
28th Jul 2025426 PMAQI
28th Jul 2025387 PMAQI
28th Jul 2025478 PMAQI
28th Jul 2025579 PMAQI
28th Jul 20255610 PMAQI
28th Jul 20255611 PMAQI
29th Jul 20255412 AMAQI
29th Jul 20251151 AMAQI
29th Jul 20251182 AMAQI
29th Jul 2025883 AMAQI
29th Jul 2025684 AMAQI
29th Jul 2025645 AMAQI
29th Jul 2025476 AMAQI
29th Jul 2025627 AMAQI

12°C11/13°C

29th Jul 2025618 AMAQI
29th Jul 2025609 AMAQI
29th Jul 20256910 AMAQI
29th Jul 20257311 AMAQI
29th Jul 20256412 PMAQI
29th Jul 2025701 PMAQI
29th Jul 2025722 PMAQI
29th Jul 2025683 PMAQI
29th Jul 2025714 PMAQI
29th Jul 2025765 PMAQI
29th Jul 2025706 PMAQI
29th Jul 2025807 PMAQI
29th Jul 2025758 PMAQI
29th Jul 2025779 PMAQI
29th Jul 20258510 PMAQI
29th Jul 20256711 PMAQI
30th Jul 20257112 AMAQI
30th Jul 2025951 AMAQI
30th Jul 2025872 AMAQI
30th Jul 2025523 AMAQI
30th Jul 2025224 AMAQI
30th Jul 2025175 AMAQI
30th Jul 2025176 AMAQI
30th Jul 2025247 AMAQI

13°C12/15°C

30th Jul 2025348 AMAQI
30th Jul 2025359 AMAQI
30th Jul 20253610 AMAQI
30th Jul 20253911 AMAQI
30th Jul 20254412 PMAQI
30th Jul 2025461 PMAQI
30th Jul 2025502 PMAQI
30th Jul 2025533 PMAQI
30th Jul 2025534 PMAQI
30th Jul 2025535 PMAQI
30th Jul 2025536 PMAQI
30th Jul 2025537 PMAQI
30th Jul 2025538 PMAQI
30th Jul 2025539 PMAQI
30th Jul 20254810 PMAQI
30th Jul 20254711 PMAQI
31st Jul 20255012 AMAQI
31st Jul 2025361 AMAQI
31st Jul 2025202 AMAQI
31st Jul 2025233 AMAQI
31st Jul 2025194 AMAQI
31st Jul 2025145 AMAQI
31st Jul 2025126 AMAQI
31st Jul 2025237 AMAQI

12°C11/14°C

31st Jul 2025548 AMAQI
31st Jul 2025529 AMAQI
31st Jul 20255210 AMAQI
31st Jul 20255711 AMAQI
31st Jul 20254712 PMAQI
31st Jul 2025531 PMAQI
31st Jul 2025542 PMAQI
31st Jul 2025533 PMAQI
31st Jul 2025544 PMAQI
31st Jul 2025525 PMAQI
31st Jul 2025516 PMAQI
31st Jul 2025487 PMAQI
31st Jul 2025558 PMAQI
31st Jul 2025589 PMAQI
31st Jul 20256710 PMAQI
31st Jul 20255411 PMAQI
1st Aug 20255012 AMAQI
1st Aug 2025261 AMAQI
1st Aug 2025292 AMAQI
1st Aug 2025293 AMAQI
1st Aug 2025334 AMAQI
1st Aug 2025185 AMAQI
1st Aug 2025396 AMAQI
1st Aug 2025297 AMAQI

12°C11/13°C

1st Aug 2025208 AMAQI
1st Aug 2025249 AMAQI
1st Aug 20253010 AMAQI
1st Aug 20254311 AMAQI
1st Aug 20252812 PMAQI
1st Aug 2025411 PMAQI
1st Aug 2025402 PMAQI
1st Aug 2025343 PMAQI
1st Aug 2025324 PMAQI
1st Aug 2025365 PMAQI
1st Aug 2025386 PMAQI
1st Aug 2025337 PMAQI
1st Aug 2025348 PMAQI
1st Aug 2025339 PMAQI
1st Aug 20253310 PMAQI
1st Aug 20253611 PMAQI
2nd Aug 20253412 AMAQI
2nd Aug 2025621 AMAQI
2nd Aug 2025602 AMAQI
2nd Aug 2025633 AMAQI
2nd Aug 2025394 AMAQI
2nd Aug 2025335 AMAQI
2nd Aug 2025486 AMAQI
2nd Aug 2025377 AMAQI

11°C9/12°C

2nd Aug 2025388 AMAQI
2nd Aug 2025449 AMAQI
2nd Aug 20254910 AMAQI
2nd Aug 20254911 AMAQI
2nd Aug 20254112 PMAQI
2nd Aug 2025421 PMAQI
2nd Aug 2025542 PMAQI
2nd Aug 2025463 PMAQI
2nd Aug 2025494 PMAQI
2nd Aug 2025515 PMAQI
2nd Aug 2025486 PMAQI
2nd Aug 2025587 PMAQI
2nd Aug 2025508 PMAQI
2nd Aug 2025509 PMAQI
2nd Aug 20256210 PMAQI
2nd Aug 20255211 PMAQI
3rd Aug 20256812 AMAQI
3rd Aug 2025721 AMAQI
3rd Aug 2025812 AMAQI
3rd Aug 2025783 AMAQI
3rd Aug 2025774 AMAQI
3rd Aug 2025765 AMAQI
3rd Aug 2025746 AMAQI
3rd Aug 2025667 AMAQI

9°C7/10°C

3rd Aug 2025528 AMAQI
8 AM
3rd Aug 2025609 AMAQI
3rd Aug 20256310 AMAQI
3rd Aug 20256511 AMAQI
3rd Aug 20256412 PMAQI
12 PM
3rd Aug 2025651 PMAQI
3rd Aug 2025682 PMAQI
5 PM
12 AM
7 AM

--°C/°C

Day time
Avg. Highest Time
11 AM

75AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
8 AM - 9 AM

63AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 11 AM (Avg. 75), while the lowest AQI was between 8 AM to 9 AM (Avg. 63).
Night time
Avg. Highest Time
1 AM - 2 AM

97AQI

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

58AQI

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. 97), while the lowest AQI was between 7 AM to 7 AM (Avg. 58).

2025 Days Vs Air Quality

Hualqui, Concepcion, Biobio, Chile

2025

44%

94

41%

88

15%

32

Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)

Good
94 Days
Moderate
88 Days
Poor
32 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 44%

Health Risk Level:

Significant

In 2025, 44% of 215 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

Hualqui, Concepcion, 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
48AQI
2nd January 2025
42AQI
3rd January 2025
45AQI
4th January 2025
31AQI
5th January 2025
41AQI
6th January 2025
40AQI
7th January 2025
35AQI
8th January 2025
40AQI
9th January 2025
32AQI
10th January 2025
44AQI
11th January 2025
40AQI
12th January 2025
46AQI
13th January 2025
46AQI
14th January 2025
39AQI
15th January 2025
24AQI
16th January 2025
27AQI
17th January 2025
33AQI
18th January 2025
31AQI
19th January 2025
45AQI
20th January 2025
48AQI
21st January 2025
35AQI
22nd January 2025
29AQI
23rd January 2025
31AQI
24th January 2025
39AQI
25th January 2025
40AQI
26th January 2025
40AQI
27th January 2025
32AQI
28th January 2025
51AQI
29th January 2025
47AQI
30th January 2025
37AQI
31st January 2025
36AQI
1st February 2025
37AQI
2nd February 2025
32AQI
3rd February 2025
33AQI
4th February 2025
37AQI
5th February 2025
30AQI
6th February 2025
33AQI
7th February 2025
62AQI
8th February 2025
57AQI
9th February 2025
58AQI
10th February 2025
56AQI
11th February 2025
85AQI
12th February 2025
94AQI
13th February 2025
62AQI
14th February 2025
46AQI
15th February 2025
47AQI
16th February 2025
44AQI
17th February 2025
42AQI
18th February 2025
51AQI
19th February 2025
43AQI
20th February 2025
38AQI
21st February 2025
28AQI
22nd February 2025
27AQI
23rd February 2025
32AQI
24th February 2025
31AQI
25th February 2025
37AQI
26th February 2025
50AQI
27th February 2025
38AQI
28th February 2025
27AQI
1st March 2025
24AQI
2nd March 2025
26AQI
3rd March 2025
25AQI
4th March 2025
41AQI
5th March 2025
46AQI
6th March 2025
25AQI
7th March 2025
24AQI
8th March 2025
30AQI
9th March 2025
39AQI
10th March 2025
37AQI
11th March 2025
42AQI
12th March 2025
52AQI
13th March 2025
49AQI
14th March 2025
53AQI
15th March 2025
49AQI
16th March 2025
48AQI
17th March 2025
47AQI
18th March 2025
42AQI
19th March 2025
52AQI
20th March 2025
43AQI
21st March 2025
41AQI
22nd March 2025
46AQI
23rd March 2025
50AQI
24th March 2025
63AQI
25th March 2025
67AQI
26th March 2025
78AQI
27th March 2025
68AQI
28th March 2025
37AQI
29th March 2025
25AQI
30th March 2025
27AQI
31st March 2025
36AQI
1st April 2025
36AQI
2nd April 2025
51AQI
3rd April 2025
50AQI
4th April 2025
64AQI
5th April 2025
52AQI
6th April 2025
51AQI
7th April 2025
63AQI
8th April 2025
75AQI
9th April 2025
51AQI
10th April 2025
39AQI
11th April 2025
50AQI
12th April 2025
37AQI
13th April 2025
36AQI
14th April 2025
32AQI
15th April 2025
63AQI
16th April 2025
65AQI
17th April 2025
66AQI
18th April 2025
92AQI
19th April 2025
67AQI
20th April 2025
76AQI
21st April 2025
54AQI
22nd April 2025
35AQI
23rd April 2025
42AQI
24th April 2025
33AQI
25th April 2025
40AQI
26th April 2025
63AQI
27th April 2025
62AQI
28th April 2025
60AQI
29th April 2025
70AQI
30th April 2025
64AQI
1st May 2025
39AQI
2nd May 2025
80AQI
3rd May 2025
93AQI
4th May 2025
71AQI
5th May 2025
78AQI
6th May 2025
85AQI
7th May 2025
71AQI
8th May 2025
66AQI
9th May 2025
44AQI
10th May 2025
75AQI
11th May 2025
89AQI
12th May 2025
92AQI
13th May 2025
101AQI
14th May 2025
74AQI
15th May 2025
109AQI
16th May 2025
80AQI
17th May 2025
57AQI
18th May 2025
84AQI
19th May 2025
87AQI
20th May 2025
107AQI
21st May 2025
86AQI
22nd May 2025
98AQI
23rd May 2025
113AQI
24th May 2025
88AQI
25th May 2025
65AQI
26th May 2025
55AQI
27th May 2025
78AQI
28th May 2025
91AQI
29th May 2025
96AQI
30th May 2025
88AQI
31st May 2025
103AQI
1st June 2025
120AQI
2nd June 2025
146AQI
3rd June 2025
138AQI
4th June 2025
121AQI
5th June 2025
113AQI
6th June 2025
107AQI
7th June 2025
112AQI
8th June 2025
123AQI
9th June 2025
131AQI
10th June 2025
141AQI
11th June 2025
98AQI
12th June 2025
60AQI
13th June 2025
81AQI
14th June 2025
60AQI
15th June 2025
46AQI
16th June 2025
58AQI
17th June 2025
54AQI
18th June 2025
81AQI
19th June 2025
91AQI
20th June 2025
118AQI
21st June 2025
84AQI
22nd June 2025
78AQI
23rd June 2025
113AQI
24th June 2025
115AQI
25th June 2025
101AQI
26th June 2025
120AQI
27th June 2025
134AQI
28th June 2025
131AQI
29th June 2025
125AQI
30th June 2025
120AQI
1st July 2025
126AQI
2nd July 2025
139AQI
3rd July 2025
149AQI
4th July 2025
145AQI
5th July 2025
113AQI
6th July 2025
57AQI
7th July 2025
54AQI
8th July 2025
74AQI
9th July 2025
92AQI
10th July 2025
96AQI
11th July 2025
95AQI
12th July 2025
76AQI
13th July 2025
77AQI
14th July 2025
70AQI
15th July 2025
65AQI
16th July 2025
101AQI
17th July 2025
90AQI
18th July 2025
90AQI
19th July 2025
85AQI
20th July 2025
107AQI
21st July 2025
107AQI
22nd July 2025
61AQI
23rd July 2025
97AQI
24th July 2025
80AQI
25th July 2025
37AQI
26th July 2025
63AQI
27th July 2025
56AQI
28th July 2025
36AQI
29th July 2025
75AQI
30th July 2025
48AQI
31st July 2025
43AQI
1st August 2025
33AQI
2nd August 2025
48AQI

39AQI

45AQI

43AQI

55AQI

82AQI

104AQI

84AQI

41AQI

No. of days

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

202564AQI

30
1
20
8
24
7
11
19
2
24
5
1
10
19
4
19
8
2
94
88
32

Highest AQI recorded in

June

104AQI

Lowest AQI recorded in

January

39AQI

202452AQI

26
5
26
2
21
4
2
26
2
2
15
23
7
8
23
4
17
10
4
24
2
19
12
29
1
29
2
193
138
14

Highest AQI recorded in

August

83AQI

Lowest AQI recorded in

November

35AQI

202362AQI

30
1
12
4
6
4
2
23
8
10
20
19
12
7
11
10
2
1
20
9
1
4
19
8
11
19
16
9
28
1
30
1
172
132
45
7
2

Highest AQI recorded in

February

96AQI

Lowest AQI recorded in

November

30AQI

202259AQI

31
14
7
25
6
10
17
1
1
1
18
13
3
17
9
1
3
18
1
1
3
5
21
3
21
10
26
4
25
5
1
163
123
31
3
1

Highest AQI recorded in

August

131AQI

Lowest AQI recorded in

January

29AQI

202168AQI

26
4
27
1
21
10
3
26
1
13
13
5
16
9
5
9
17
5
2
15
6
8
4
26
20
11
29
22
9
154
140
46
23

Highest AQI recorded in

July

120AQI

Lowest AQI recorded in

November

32AQI

202064AQI

10
3
2
18
1
2
7
8
1
3
21
2
3
6
16
7
2
2
17
11
1
4
20
6
16
15
29
1
30
1
104
119
35
7

Highest AQI recorded in

May

101AQI

Lowest AQI recorded in

November

30AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2021(Avg.)
68AQI
Least Polluted Year Recorded
2024(Avg.)
52AQI

Hualqui's annual 2025 AQI (64) shows an average percentage change of 6.1% (worsened AQI) compared to previous years: 2020 (64), 2021 (68), 2022 (59), 2023 (62), 2024 (52).