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San Fernando, San Fernando, Libertador General Bernardo O Higgins, 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

San Fernando, San Fernando, Libertador General Bernardo O Higgins, Chile

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
15th Aug 2021
175AQI
Lowest AQI recorded on
3rd Aug 2024
25AQI

Same Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 95 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: 4th Aug - 5th Aug 2025

San Fernando, San Fernando, Libertador General Bernardo O Higgins, Chile

AQI
Day
Night
.

7 AM4th Aug 2025

6 PM

6 AM5th Aug 2025

Day time
Avg. Highest Time
8AM4th Aug

127AQI

Avg. Lowest Time
1PM4th Aug

69AQI

Night time
Avg. Highest Time
9PM4th Aug

106AQI

Avg. Lowest Time
5AM5th Aug

60AQI

In the last 24 hours,

San Fernando's AQI reached its highest point of 127 at 8 AM during the Day, while the lowest point, 60, was recorded at 5 AM during the Night between 4th Aug and 5th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

San Fernando, San Fernando, Libertador General Bernardo O Higgins, Chile

JulAug
06th - 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 - 04th04th - 05th05th
Day
Night
6th Jul 2025797 AMAQI
6th Jul 2025858 AMAQI
6th Jul 2025949 AMAQI
6th Jul 20258810 AMAQI
6th Jul 20258511 AMAQI
6th Jul 20258512 PMAQI
6th Jul 2025781 PMAQI
6th Jul 2025762 PMAQI
6th Jul 2025763 PMAQI
6th Jul 2025874 PMAQI
6th Jul 2025885 PMAQI
6th Jul 2025906 PMAQI
6th Jul 2025927 PMAQI
6th Jul 2025898 PMAQI
6th Jul 2025909 PMAQI
6th Jul 20258610 PMAQI
6th Jul 20258211 PMAQI
7th Jul 20258612 AMAQI
7th Jul 2025871 AMAQI
7th Jul 20251152 AMAQI
7th Jul 2025973 AMAQI
7th Jul 2025804 AMAQI
7th Jul 2025665 AMAQI
7th Jul 2025726 AMAQI

15°C10/21°C

7th Jul 2025787 AMAQI
7th Jul 2025818 AMAQI
7th Jul 2025939 AMAQI
7th Jul 202510010 AMAQI
7th Jul 202510311 AMAQI
7th Jul 20258412 PMAQI
7th Jul 2025841 PMAQI
7th Jul 2025782 PMAQI
7th Jul 2025813 PMAQI
7th Jul 2025784 PMAQI
7th Jul 2025845 PMAQI
7th Jul 2025876 PMAQI
7th Jul 2025917 PMAQI
7th Jul 2025918 PMAQI
7th Jul 2025889 PMAQI
7th Jul 20258610 PMAQI
7th Jul 20258811 PMAQI
8th Jul 20258812 AMAQI
8th Jul 20251161 AMAQI
8th Jul 20251062 AMAQI
8th Jul 2025823 AMAQI
8th Jul 2025854 AMAQI
8th Jul 2025855 AMAQI
8th Jul 2025776 AMAQI

17°C12/27°C

8th Jul 2025907 AMAQI
8th Jul 20251038 AMAQI
8th Jul 2025959 AMAQI
8th Jul 202511410 AMAQI
8th Jul 202510011 AMAQI
8th Jul 202511812 PMAQI
8th Jul 20251001 PMAQI
8th Jul 20251022 PMAQI
8th Jul 2025993 PMAQI
8th Jul 2025944 PMAQI
8th Jul 20251005 PMAQI
8th Jul 20251046 PMAQI
8th Jul 20251077 PMAQI
8th Jul 20251068 PMAQI
8th Jul 2025949 PMAQI
8th Jul 202510010 PMAQI
8th Jul 202510511 PMAQI
9th Jul 202510012 AMAQI
9th Jul 20251181 AMAQI
9th Jul 2025922 AMAQI
9th Jul 20251043 AMAQI
9th Jul 2025794 AMAQI
9th Jul 2025865 AMAQI
9th Jul 2025816 AMAQI

12°C6/21°C

9th Jul 2025867 AMAQI
9th Jul 2025948 AMAQI
9th Jul 2025919 AMAQI
9th Jul 202510210 AMAQI
9th Jul 202510311 AMAQI
9th Jul 20259812 PMAQI
9th Jul 20251021 PMAQI
9th Jul 20251122 PMAQI
9th Jul 20251023 PMAQI
9th Jul 2025944 PMAQI
9th Jul 20251015 PMAQI
9th Jul 2025986 PMAQI
9th Jul 2025957 PMAQI
9th Jul 2025938 PMAQI
9th Jul 2025959 PMAQI
9th Jul 202510610 PMAQI
9th Jul 20259711 PMAQI
10th Jul 202510112 AMAQI
10th Jul 20251161 AMAQI
10th Jul 20251232 AMAQI
10th Jul 20251343 AMAQI
10th Jul 20251084 AMAQI
10th Jul 2025945 AMAQI
10th Jul 2025906 AMAQI

10°C4/19°C

10th Jul 2025927 AMAQI
10th Jul 2025938 AMAQI
10th Jul 20251049 AMAQI
10th Jul 202511010 AMAQI
10th Jul 202510711 AMAQI
10th Jul 202510912 PMAQI
10th Jul 20251101 PMAQI
10th Jul 20251162 PMAQI
10th Jul 20251043 PMAQI
10th Jul 20251204 PMAQI
10th Jul 20251165 PMAQI
10th Jul 20251196 PMAQI
10th Jul 20251127 PMAQI
10th Jul 20251168 PMAQI
10th Jul 20251109 PMAQI
10th Jul 202510310 PMAQI
10th Jul 202511511 PMAQI
11th Jul 202512312 AMAQI
11th Jul 20251441 AMAQI
11th Jul 20251582 AMAQI
11th Jul 20251523 AMAQI
11th Jul 20251464 AMAQI
11th Jul 20251445 AMAQI
11th Jul 20251146 AMAQI

10°C4/20°C

11th Jul 20251397 AMAQI
11th Jul 20251168 AMAQI
11th Jul 20251159 AMAQI
11th Jul 202514210 AMAQI
11th Jul 202514011 AMAQI
11th Jul 202514012 PMAQI
11th Jul 20251381 PMAQI
11th Jul 20251162 PMAQI
11th Jul 20251323 PMAQI
11th Jul 20251534 PMAQI
11th Jul 20251465 PMAQI
11th Jul 20251506 PMAQI
11th Jul 20251507 PMAQI
11th Jul 20251458 PMAQI
11th Jul 20251529 PMAQI
11th Jul 202515610 PMAQI
11th Jul 202515011 PMAQI
12th Jul 202515912 AMAQI
12th Jul 20251711 AMAQI
12th Jul 20251642 AMAQI
12th Jul 20251603 AMAQI
12th Jul 20251674 AMAQI
12th Jul 20251575 AMAQI
12th Jul 20251406 AMAQI

11°C4/20°C

12th Jul 20251387 AMAQI
12th Jul 20251448 AMAQI
12th Jul 20251449 AMAQI
12th Jul 202515610 AMAQI
12th Jul 202515611 AMAQI
12th Jul 202515212 PMAQI
12th Jul 20251551 PMAQI
12th Jul 20251582 PMAQI
12th Jul 20251623 PMAQI
12th Jul 20251604 PMAQI
12th Jul 20251555 PMAQI
12th Jul 20251566 PMAQI
12th Jul 20251587 PMAQI
12th Jul 20251618 PMAQI
12th Jul 20251629 PMAQI
12th Jul 202516510 PMAQI
12th Jul 202517011 PMAQI
13th Jul 202517612 AMAQI
13th Jul 20252021 AMAQI
13th Jul 20252032 AMAQI
13th Jul 20252123 AMAQI
13th Jul 20251484 AMAQI
13th Jul 20251255 AMAQI
13th Jul 20251126 AMAQI

11°C4/21°C

13th Jul 20251147 AMAQI
13th Jul 20251488 AMAQI
13th Jul 20251559 AMAQI
13th Jul 202515310 AMAQI
13th Jul 202515311 AMAQI
13th Jul 202515212 PMAQI
13th Jul 20251441 PMAQI
13th Jul 20251532 PMAQI
13th Jul 20251563 PMAQI
13th Jul 20251574 PMAQI
13th Jul 20251625 PMAQI
13th Jul 20251556 PMAQI
13th Jul 20251537 PMAQI
13th Jul 20251598 PMAQI
13th Jul 20251599 PMAQI
13th Jul 202515810 PMAQI
13th Jul 202516211 PMAQI
14th Jul 202516312 AMAQI
14th Jul 20251501 AMAQI
14th Jul 20251482 AMAQI
14th Jul 20251403 AMAQI
14th Jul 20251364 AMAQI
14th Jul 20251125 AMAQI
14th Jul 20251186 AMAQI

12°C4/23°C

14th Jul 20251117 AMAQI
14th Jul 2025808 AMAQI
14th Jul 2025749 AMAQI
14th Jul 20258610 AMAQI
14th Jul 20258311 AMAQI
14th Jul 20257412 PMAQI
14th Jul 2025841 PMAQI
14th Jul 2025932 PMAQI
14th Jul 2025753 PMAQI
14th Jul 2025564 PMAQI
14th Jul 2025465 PMAQI
14th Jul 2025526 PMAQI
14th Jul 2025557 PMAQI
14th Jul 20251118 PMAQI
14th Jul 20251339 PMAQI
14th Jul 202510610 PMAQI
14th Jul 20259111 PMAQI
15th Jul 20257312 AMAQI
15th Jul 2025911 AMAQI
15th Jul 20251442 AMAQI
15th Jul 20251403 AMAQI
15th Jul 20251284 AMAQI
15th Jul 20251545 AMAQI
15th Jul 20251256 AMAQI

13°C7/22°C

15th Jul 20251137 AMAQI
15th Jul 2025888 AMAQI
15th Jul 20251029 AMAQI
15th Jul 202510210 AMAQI
15th Jul 20258211 AMAQI
15th Jul 202510812 PMAQI
15th Jul 20251021 PMAQI
15th Jul 2025852 PMAQI
15th Jul 20251083 PMAQI
15th Jul 2025904 PMAQI
15th Jul 2025875 PMAQI
15th Jul 20251336 PMAQI
15th Jul 20251067 PMAQI
15th Jul 20251068 PMAQI
15th Jul 20251069 PMAQI
15th Jul 202511110 PMAQI
15th Jul 202511911 PMAQI
16th Jul 202510912 AMAQI
16th Jul 20251121 AMAQI
16th Jul 20251492 AMAQI
16th Jul 20251473 AMAQI
16th Jul 2025944 AMAQI
16th Jul 2025725 AMAQI
16th Jul 2025786 AMAQI

12°C6/22°C

16th Jul 2025737 AMAQI
16th Jul 2025828 AMAQI
16th Jul 2025849 AMAQI
16th Jul 20257810 AMAQI
16th Jul 20258211 AMAQI
16th Jul 20258412 PMAQI
16th Jul 2025981 PMAQI
16th Jul 2025862 PMAQI
16th Jul 2025833 PMAQI
16th Jul 2025584 PMAQI
16th Jul 2025745 PMAQI
16th Jul 2025966 PMAQI
16th Jul 20251007 PMAQI
16th Jul 20251088 PMAQI
16th Jul 2025949 PMAQI
16th Jul 202511010 PMAQI
16th Jul 20259411 PMAQI
17th Jul 202510612 AMAQI
17th Jul 20251031 AMAQI
17th Jul 2025802 AMAQI
17th Jul 2025903 AMAQI
17th Jul 2025834 AMAQI
17th Jul 2025705 AMAQI
17th Jul 2025786 AMAQI

14°C6/25°C

17th Jul 2025707 AMAQI
17th Jul 2025648 AMAQI
17th Jul 2025709 AMAQI
17th Jul 20258510 AMAQI
17th Jul 20258711 AMAQI
17th Jul 20257212 PMAQI
17th Jul 2025821 PMAQI
17th Jul 2025762 PMAQI
17th Jul 2025813 PMAQI
17th Jul 2025594 PMAQI
17th Jul 2025625 PMAQI
17th Jul 2025886 PMAQI
17th Jul 2025847 PMAQI
17th Jul 2025828 PMAQI
17th Jul 2025819 PMAQI
17th Jul 20258510 PMAQI
17th Jul 20259011 PMAQI
18th Jul 20258312 AMAQI
18th Jul 20251201 AMAQI
18th Jul 2025992 AMAQI
18th Jul 20251263 AMAQI
18th Jul 20251174 AMAQI
18th Jul 20251035 AMAQI
18th Jul 2025896 AMAQI

14°C6/25°C

18th Jul 2025827 AMAQI
18th Jul 2025848 AMAQI
18th Jul 2025979 AMAQI
18th Jul 202510310 AMAQI
18th Jul 20259011 AMAQI
18th Jul 20259212 PMAQI
18th Jul 20251081 PMAQI
18th Jul 2025962 PMAQI
18th Jul 2025943 PMAQI
18th Jul 2025664 PMAQI
18th Jul 2025685 PMAQI
18th Jul 2025996 PMAQI
18th Jul 2025947 PMAQI
18th Jul 2025998 PMAQI
18th Jul 20251099 PMAQI
18th Jul 202513210 PMAQI
18th Jul 202514011 PMAQI
19th Jul 202512612 AMAQI
19th Jul 20251601 AMAQI
19th Jul 20251532 AMAQI
19th Jul 20251533 AMAQI
19th Jul 20251494 AMAQI
19th Jul 20251315 AMAQI
19th Jul 2025986 AMAQI

13°C6/24°C

19th Jul 2025947 AMAQI
19th Jul 2025988 AMAQI
19th Jul 20251289 AMAQI
19th Jul 20259610 AMAQI
19th Jul 202513311 AMAQI
19th Jul 202511112 PMAQI
19th Jul 20251351 PMAQI
19th Jul 20251082 PMAQI
19th Jul 20251283 PMAQI
19th Jul 20251044 PMAQI
19th Jul 2025945 PMAQI
19th Jul 20251266 PMAQI
19th Jul 20251227 PMAQI
19th Jul 20251148 PMAQI
19th Jul 20251129 PMAQI
19th Jul 202511610 PMAQI
19th Jul 202514011 PMAQI
20th Jul 202513812 AMAQI
20th Jul 20251441 AMAQI
20th Jul 20251632 AMAQI
20th Jul 20251663 AMAQI
20th Jul 20251624 AMAQI
20th Jul 20251535 AMAQI
20th Jul 20251466 AMAQI

13°C5/23°C

20th Jul 20251567 AMAQI
20th Jul 20251448 AMAQI
20th Jul 20251529 AMAQI
20th Jul 202515210 AMAQI
20th Jul 202514411 AMAQI
20th Jul 202515012 PMAQI
20th Jul 20251361 PMAQI
20th Jul 20251322 PMAQI
20th Jul 20251223 PMAQI
20th Jul 20251174 PMAQI
20th Jul 20251185 PMAQI
20th Jul 20251396 PMAQI
20th Jul 20251437 PMAQI
20th Jul 20251428 PMAQI
20th Jul 20251489 PMAQI
20th Jul 202515210 PMAQI
20th Jul 202514811 PMAQI
21st Jul 202515812 AMAQI
21st Jul 20251541 AMAQI
21st Jul 20251522 AMAQI
21st Jul 20251543 AMAQI
21st Jul 20251584 AMAQI
21st Jul 20251485 AMAQI
21st Jul 20251266 AMAQI

14°C6/24°C

21st Jul 20251277 AMAQI
21st Jul 20251078 AMAQI
21st Jul 20251009 AMAQI
21st Jul 202510910 AMAQI
21st Jul 202510311 AMAQI
21st Jul 202513612 PMAQI
21st Jul 20251421 PMAQI
21st Jul 20251122 PMAQI
21st Jul 20251193 PMAQI
21st Jul 20251224 PMAQI
21st Jul 20251165 PMAQI
21st Jul 20251346 PMAQI
21st Jul 20251247 PMAQI
21st Jul 20251448 PMAQI
21st Jul 20251479 PMAQI
21st Jul 202513210 PMAQI
21st Jul 202511611 PMAQI
22nd Jul 202511812 AMAQI
22nd Jul 20251161 AMAQI
22nd Jul 20251542 AMAQI
22nd Jul 20251643 AMAQI
22nd Jul 20251604 AMAQI
22nd Jul 20251175 AMAQI
22nd Jul 20251086 AMAQI

16°C8/25°C

22nd Jul 20251227 AMAQI
22nd Jul 20251328 AMAQI
22nd Jul 20251089 AMAQI
22nd Jul 202510110 AMAQI
22nd Jul 202514611 AMAQI
22nd Jul 202513912 PMAQI
22nd Jul 20251301 PMAQI
22nd Jul 20251172 PMAQI
22nd Jul 2025953 PMAQI
22nd Jul 2025824 PMAQI
22nd Jul 2025955 PMAQI
22nd Jul 20251396 PMAQI
22nd Jul 20251367 PMAQI
22nd Jul 20251298 PMAQI
22nd Jul 20251379 PMAQI
22nd Jul 202514310 PMAQI
22nd Jul 202514811 PMAQI
23rd Jul 202514812 AMAQI
23rd Jul 20251441 AMAQI
23rd Jul 20251522 AMAQI
23rd Jul 20251413 AMAQI
23rd Jul 20251384 AMAQI
23rd Jul 20251425 AMAQI
23rd Jul 20251326 AMAQI

14°C9/22°C

23rd Jul 20251267 AMAQI
23rd Jul 20251368 AMAQI
23rd Jul 20251209 AMAQI
23rd Jul 202512910 AMAQI
23rd Jul 202511211 AMAQI
23rd Jul 202511712 PMAQI
23rd Jul 20251311 PMAQI
23rd Jul 20251082 PMAQI
23rd Jul 20251063 PMAQI
23rd Jul 2025754 PMAQI
23rd Jul 2025935 PMAQI
23rd Jul 20251326 PMAQI
23rd Jul 20251437 PMAQI
23rd Jul 20251348 PMAQI
23rd Jul 20251349 PMAQI
23rd Jul 202512810 PMAQI
23rd Jul 202513511 PMAQI
24th Jul 202512212 AMAQI
24th Jul 20251101 AMAQI
24th Jul 20251302 AMAQI
24th Jul 20251503 AMAQI
24th Jul 20251444 AMAQI
24th Jul 20251125 AMAQI
24th Jul 20251026 AMAQI

12°C6/23°C

24th Jul 20251007 AMAQI
24th Jul 20251198 AMAQI
24th Jul 20251179 AMAQI
24th Jul 202511410 AMAQI
24th Jul 202510411 AMAQI
24th Jul 202510712 PMAQI
24th Jul 20251221 PMAQI
24th Jul 20251162 PMAQI
24th Jul 20251013 PMAQI
24th Jul 2025814 PMAQI
24th Jul 2025945 PMAQI
24th Jul 20251326 PMAQI
24th Jul 20251287 PMAQI
24th Jul 20251208 PMAQI
24th Jul 20251339 PMAQI
24th Jul 202512010 PMAQI
24th Jul 202513611 PMAQI
25th Jul 202512412 AMAQI
25th Jul 20251121 AMAQI
25th Jul 2025932 AMAQI
25th Jul 2025673 AMAQI
25th Jul 2025664 AMAQI
25th Jul 2025875 AMAQI
25th Jul 2025856 AMAQI

13°C5/22°C

25th Jul 20251047 AMAQI
25th Jul 2025818 AMAQI
25th Jul 2025879 AMAQI
25th Jul 202510510 AMAQI
25th Jul 202511211 AMAQI
25th Jul 202510112 PMAQI
25th Jul 2025921 PMAQI
25th Jul 2025852 PMAQI
25th Jul 2025903 PMAQI
25th Jul 2025814 PMAQI
25th Jul 2025795 PMAQI
25th Jul 2025946 PMAQI
25th Jul 20251017 PMAQI
25th Jul 20251078 PMAQI
25th Jul 2025999 PMAQI
25th Jul 20259110 PMAQI
25th Jul 20258311 PMAQI
26th Jul 20258212 AMAQI
26th Jul 20251321 AMAQI
26th Jul 20251122 AMAQI
26th Jul 20251493 AMAQI
26th Jul 20251334 AMAQI
26th Jul 20251455 AMAQI
26th Jul 20251426 AMAQI

14°C8/23°C

26th Jul 20251177 AMAQI
26th Jul 20251228 AMAQI
26th Jul 20251219 AMAQI
26th Jul 202513110 AMAQI
26th Jul 202510111 AMAQI
26th Jul 202510212 PMAQI
26th Jul 2025931 PMAQI
26th Jul 20251222 PMAQI
26th Jul 20251083 PMAQI
26th Jul 2025784 PMAQI
26th Jul 20251085 PMAQI
26th Jul 20251306 PMAQI
26th Jul 20251237 PMAQI
26th Jul 20251318 PMAQI
26th Jul 20251429 PMAQI
26th Jul 202514110 PMAQI
26th Jul 202513711 PMAQI
27th Jul 202512412 AMAQI
27th Jul 20251511 AMAQI
27th Jul 20251482 AMAQI
27th Jul 20251483 AMAQI
27th Jul 20251574 AMAQI
27th Jul 20251525 AMAQI
27th Jul 20251266 AMAQI

12°C7/19°C

27th Jul 20251467 AMAQI
27th Jul 20251448 AMAQI
27th Jul 20251479 AMAQI
27th Jul 202515410 AMAQI
27th Jul 202514011 AMAQI
27th Jul 202514712 PMAQI
27th Jul 20251281 PMAQI
27th Jul 20251342 PMAQI
27th Jul 20251083 PMAQI
27th Jul 2025624 PMAQI
27th Jul 2025755 PMAQI
27th Jul 20251446 PMAQI
27th Jul 20251427 PMAQI
27th Jul 20251458 PMAQI
27th Jul 20251459 PMAQI
27th Jul 202514610 PMAQI
27th Jul 202514011 PMAQI
28th Jul 202514812 AMAQI
28th Jul 20251401 AMAQI
28th Jul 20251482 AMAQI
28th Jul 20251503 AMAQI
28th Jul 20251414 AMAQI
28th Jul 20251235 AMAQI
28th Jul 20251226 AMAQI

14°C8/21°C

28th Jul 20251197 AMAQI
28th Jul 20251268 AMAQI
28th Jul 20251369 AMAQI
28th Jul 202513010 AMAQI
28th Jul 202513411 AMAQI
28th Jul 202512512 PMAQI
28th Jul 20251231 PMAQI
28th Jul 20251252 PMAQI
28th Jul 2025993 PMAQI
28th Jul 20251054 PMAQI
28th Jul 20251145 PMAQI
28th Jul 20251316 PMAQI
28th Jul 20251337 PMAQI
28th Jul 20251348 PMAQI
28th Jul 20251279 PMAQI
28th Jul 202513010 PMAQI
28th Jul 202513711 PMAQI
29th Jul 202514612 AMAQI
29th Jul 20251501 AMAQI
29th Jul 20251552 AMAQI
29th Jul 20251413 AMAQI
29th Jul 20251434 AMAQI
29th Jul 20251165 AMAQI
29th Jul 20251146 AMAQI

18°C12/27°C

29th Jul 20251077 AMAQI
29th Jul 20251188 AMAQI
29th Jul 20251229 AMAQI
29th Jul 202512710 AMAQI
29th Jul 202511611 AMAQI
29th Jul 202510612 PMAQI
29th Jul 20251021 PMAQI
29th Jul 2025952 PMAQI
29th Jul 2025963 PMAQI
29th Jul 20251054 PMAQI
29th Jul 20251105 PMAQI
29th Jul 20251126 PMAQI
29th Jul 20251207 PMAQI
29th Jul 2025998 PMAQI
29th Jul 20251389 PMAQI
29th Jul 202510610 PMAQI
29th Jul 202511911 PMAQI
30th Jul 202511912 AMAQI
30th Jul 20251411 AMAQI
30th Jul 20251362 AMAQI
30th Jul 20251283 AMAQI
30th Jul 20251194 AMAQI
30th Jul 2025965 AMAQI
30th Jul 2025786 AMAQI

17°C11/27°C

30th Jul 20251167 AMAQI
30th Jul 20251068 AMAQI
30th Jul 2025989 AMAQI
30th Jul 202510310 AMAQI
30th Jul 202512211 AMAQI
30th Jul 202511512 PMAQI
30th Jul 20251141 PMAQI
30th Jul 20251042 PMAQI
30th Jul 20251183 PMAQI
30th Jul 20251154 PMAQI
30th Jul 20251155 PMAQI
30th Jul 20251156 PMAQI
30th Jul 20251157 PMAQI
30th Jul 20251158 PMAQI
30th Jul 20251159 PMAQI
30th Jul 202510310 PMAQI
30th Jul 20259811 PMAQI
31st Jul 20259412 AMAQI
31st Jul 2025831 AMAQI
31st Jul 2025792 AMAQI
31st Jul 20251013 AMAQI
31st Jul 2025744 AMAQI
31st Jul 2025735 AMAQI
31st Jul 2025596 AMAQI

17°C13/21°C

31st Jul 2025557 AMAQI
31st Jul 2025438 AMAQI
31st Jul 2025429 AMAQI
31st Jul 20254810 AMAQI
31st Jul 20255411 AMAQI
31st Jul 20255312 PMAQI
31st Jul 2025501 PMAQI
31st Jul 2025522 PMAQI
31st Jul 2025603 PMAQI
31st Jul 2025534 PMAQI
31st Jul 2025515 PMAQI
31st Jul 2025506 PMAQI
31st Jul 2025577 PMAQI
31st Jul 2025488 PMAQI
31st Jul 2025549 PMAQI
31st Jul 20256510 PMAQI
31st Jul 20255611 PMAQI
1st Aug 20254012 AMAQI
1st Aug 2025341 AMAQI
1st Aug 2025272 AMAQI
1st Aug 2025323 AMAQI
1st Aug 2025324 AMAQI
1st Aug 2025235 AMAQI
1st Aug 2025376 AMAQI

14°C10/19°C

1st Aug 2025307 AMAQI
1st Aug 2025248 AMAQI
1st Aug 2025279 AMAQI
1st Aug 20253210 AMAQI
1st Aug 20255211 AMAQI
1st Aug 20253312 PMAQI
1st Aug 2025401 PMAQI
1st Aug 2025302 PMAQI
1st Aug 2025353 PMAQI
1st Aug 2025374 PMAQI
1st Aug 2025435 PMAQI
1st Aug 2025426 PMAQI
1st Aug 2025397 PMAQI
1st Aug 2025408 PMAQI
1st Aug 2025409 PMAQI
1st Aug 20253610 PMAQI
1st Aug 20253411 PMAQI
2nd Aug 20253412 AMAQI
2nd Aug 2025451 AMAQI
2nd Aug 2025372 AMAQI
2nd Aug 2025493 AMAQI
2nd Aug 2025374 AMAQI
2nd Aug 2025345 AMAQI
2nd Aug 2025246 AMAQI

13°C9/17°C

2nd Aug 2025277 AMAQI
2nd Aug 2025328 AMAQI
2nd Aug 2025329 AMAQI
2nd Aug 20254610 AMAQI
2nd Aug 20253711 AMAQI
2nd Aug 20253612 PMAQI
2nd Aug 2025301 PMAQI
2nd Aug 2025402 PMAQI
2nd Aug 2025443 PMAQI
2nd Aug 2025444 PMAQI
2nd Aug 2025435 PMAQI
2nd Aug 2025446 PMAQI
2nd Aug 2025497 PMAQI
2nd Aug 2025468 PMAQI
2nd Aug 2025509 PMAQI
2nd Aug 20254910 PMAQI
2nd Aug 20254611 PMAQI
3rd Aug 20256312 AMAQI
3rd Aug 20251341 AMAQI
3rd Aug 20251032 AMAQI
3rd Aug 2025933 AMAQI
3rd Aug 20251014 AMAQI
3rd Aug 2025745 AMAQI
3rd Aug 2025676 AMAQI

15°C10/22°C

3rd Aug 2025747 AMAQI
3rd Aug 2025768 AMAQI
3rd Aug 2025779 AMAQI
3rd Aug 20258710 AMAQI
3rd Aug 20258311 AMAQI
3rd Aug 20257512 PMAQI
3rd Aug 2025761 PMAQI
3rd Aug 2025702 PMAQI
3rd Aug 2025773 PMAQI
3rd Aug 2025814 PMAQI
3rd Aug 2025825 PMAQI
3rd Aug 2025826 PMAQI
3rd Aug 2025827 PMAQI
3rd Aug 2025828 PMAQI
3rd Aug 2025789 PMAQI
3rd Aug 20258210 PMAQI
3rd Aug 20257311 PMAQI
4th Aug 20257912 AMAQI
4th Aug 20251151 AMAQI
4th Aug 20251042 AMAQI
4th Aug 20251313 AMAQI
4th Aug 20251144 AMAQI
4th Aug 20251105 AMAQI
4th Aug 2025646 AMAQI

16°C8/26°C

4th Aug 2025927 AMAQI
4th Aug 20251278 AMAQI
4th Aug 2025969 AMAQI
4th Aug 20258410 AMAQI
4th Aug 20257711 AMAQI
4th Aug 20257912 PMAQI
4th Aug 2025691 PMAQI
4th Aug 2025792 PMAQI
4th Aug 2025853 PMAQI
4th Aug 2025954 PMAQI
4th Aug 2025965 PMAQI
4th Aug 2025986 PMAQI
4th Aug 2025847 PMAQI
4th Aug 20251008 PMAQI
4th Aug 20251069 PMAQI
4th Aug 202510210 PMAQI
4th Aug 20258811 PMAQI
5th Aug 20259812 AMAQI
5th Aug 20251041 AMAQI
5th Aug 2025902 AMAQI
5th Aug 2025763 AMAQI
5th Aug 2025784 AMAQI
5th Aug 2025605 AMAQI
5th Aug 2025686 AMAQI

18°C12/28°C

5th Aug 2025707 AMAQI
7 AM
5th Aug 2025788 AMAQI
5th Aug 2025829 AMAQI
5th Aug 20258210 AMAQI
12 PM
6 PM
12 AM
6 AM

--°C/°C

Day time
Avg. Highest Time
6 PM

109AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
4 PM - 5 PM

92AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 PM to 6 PM (Avg. 109), while the lowest AQI was between 4 PM to 5 PM (Avg. 92).
Night time
Avg. Highest Time
1 AM - 3 AM

123AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
6 AM

96AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 3 AM (Avg. 123), while the lowest AQI was between 6 AM to 6 AM (Avg. 96).

2025 Days Vs Air Quality

San Fernando, San Fernando, Libertador General Bernardo O Higgins, Chile

2025

31%

66

44%

96

21%

45

4%

9

Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)

Good
66 Days
Moderate
96 Days
Poor
45 Days
Unhealthy
9 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 31%

Health Risk Level:

High

In 2025, 31% of 217 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.

Annual Air Quality Insights

San Fernando, San Fernando, Libertador General Bernardo O Higgins, 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
39AQI
2nd January 2025
38AQI
3rd January 2025
46AQI
4th January 2025
43AQI
5th January 2025
45AQI
6th January 2025
38AQI
7th January 2025
35AQI
8th January 2025
32AQI
9th January 2025
36AQI
10th January 2025
43AQI
11th January 2025
43AQI
12th January 2025
42AQI
13th January 2025
33AQI
14th January 2025
37AQI
15th January 2025
33AQI
16th January 2025
27AQI
17th January 2025
35AQI
18th January 2025
33AQI
19th January 2025
38AQI
20th January 2025
47AQI
21st January 2025
46AQI
22nd January 2025
42AQI
23rd January 2025
37AQI
24th January 2025
52AQI
25th January 2025
46AQI
26th January 2025
61AQI
27th January 2025
41AQI
28th January 2025
43AQI
29th January 2025
55AQI
30th January 2025
51AQI
31st January 2025
47AQI
1st February 2025
46AQI
2nd February 2025
43AQI
3rd February 2025
34AQI
4th February 2025
41AQI
5th February 2025
34AQI
6th February 2025
38AQI
7th February 2025
53AQI
8th February 2025
61AQI
9th February 2025
70AQI
10th February 2025
54AQI
11th February 2025
72AQI
12th February 2025
63AQI
13th February 2025
58AQI
14th February 2025
48AQI
15th February 2025
38AQI
16th February 2025
40AQI
17th February 2025
41AQI
18th February 2025
50AQI
19th February 2025
55AQI
20th February 2025
50AQI
21st February 2025
44AQI
22nd February 2025
48AQI
23rd February 2025
38AQI
24th February 2025
34AQI
25th February 2025
42AQI
26th February 2025
51AQI
27th February 2025
57AQI
28th February 2025
35AQI
1st March 2025
29AQI
2nd March 2025
28AQI
3rd March 2025
29AQI
4th March 2025
40AQI
5th March 2025
39AQI
6th March 2025
32AQI
7th March 2025
30AQI
8th March 2025
32AQI
9th March 2025
39AQI
10th March 2025
41AQI
11th March 2025
53AQI
12th March 2025
55AQI
13th March 2025
58AQI
14th March 2025
51AQI
15th March 2025
47AQI
16th March 2025
49AQI
17th March 2025
50AQI
18th March 2025
53AQI
19th March 2025
53AQI
20th March 2025
52AQI
21st March 2025
53AQI
22nd March 2025
51AQI
23rd March 2025
65AQI
24th March 2025
62AQI
25th March 2025
55AQI
26th March 2025
66AQI
27th March 2025
60AQI
28th March 2025
61AQI
29th March 2025
62AQI
30th March 2025
33AQI
31st March 2025
46AQI
1st April 2025
52AQI
2nd April 2025
59AQI
3rd April 2025
53AQI
4th April 2025
59AQI
5th April 2025
56AQI
6th April 2025
53AQI
7th April 2025
53AQI
8th April 2025
65AQI
9th April 2025
75AQI
10th April 2025
55AQI
11th April 2025
46AQI
12th April 2025
58AQI
13th April 2025
64AQI
14th April 2025
53AQI
15th April 2025
53AQI
16th April 2025
57AQI
17th April 2025
60AQI
18th April 2025
62AQI
19th April 2025
71AQI
20th April 2025
69AQI
21st April 2025
82AQI
22nd April 2025
80AQI
23rd April 2025
77AQI
24th April 2025
52AQI
25th April 2025
47AQI
26th April 2025
62AQI
27th April 2025
61AQI
28th April 2025
58AQI
29th April 2025
66AQI
30th April 2025
67AQI
1st May 2025
80AQI
2nd May 2025
72AQI
3rd May 2025
93AQI
4th May 2025
80AQI
5th May 2025
75AQI
6th May 2025
97AQI
7th May 2025
101AQI
8th May 2025
55AQI
9th May 2025
58AQI
10th May 2025
72AQI
11th May 2025
85AQI
12th May 2025
95AQI
13th May 2025
107AQI
14th May 2025
96AQI
15th May 2025
113AQI
16th May 2025
119AQI
17th May 2025
94AQI
18th May 2025
71AQI
19th May 2025
65AQI
20th May 2025
80AQI
21st May 2025
78AQI
22nd May 2025
93AQI
23rd May 2025
133AQI
24th May 2025
115AQI
25th May 2025
116AQI
26th May 2025
56AQI
27th May 2025
46AQI
28th May 2025
75AQI
29th May 2025
105AQI
30th May 2025
90AQI
31st May 2025
93AQI
1st June 2025
112AQI
2nd June 2025
119AQI
3rd June 2025
148AQI
4th June 2025
133AQI
5th June 2025
140AQI
6th June 2025
122AQI
7th June 2025
139AQI
8th June 2025
133AQI
9th June 2025
153AQI
10th June 2025
154AQI
11th June 2025
142AQI
12th June 2025
73AQI
13th June 2025
87AQI
14th June 2025
110AQI
15th June 2025
64AQI
16th June 2025
38AQI
17th June 2025
83AQI
18th June 2025
90AQI
19th June 2025
105AQI
20th June 2025
132AQI
21st June 2025
118AQI
22nd June 2025
103AQI
23rd June 2025
68AQI
24th June 2025
115AQI
25th June 2025
103AQI
26th June 2025
122AQI
27th June 2025
140AQI
28th June 2025
134AQI
29th June 2025
155AQI
30th June 2025
140AQI
1st July 2025
160AQI
2nd July 2025
160AQI
3rd July 2025
156AQI
4th July 2025
156AQI
5th July 2025
141AQI
6th July 2025
93AQI
7th July 2025
87AQI
8th July 2025
98AQI
9th July 2025
97AQI
10th July 2025
110AQI
11th July 2025
142AQI
12th July 2025
158AQI
13th July 2025
159AQI
14th July 2025
102AQI
15th July 2025
110AQI
16th July 2025
96AQI
17th July 2025
81AQI
18th July 2025
101AQI
19th July 2025
124AQI
20th July 2025
146AQI
21st July 2025
133AQI
22nd July 2025
129AQI
23rd July 2025
130AQI
24th July 2025
119AQI
25th July 2025
93AQI
26th July 2025
124AQI
27th July 2025
137AQI
28th July 2025
131AQI
29th July 2025
121AQI
30th July 2025
113AQI
31st July 2025
62AQI
1st August 2025
35AQI
2nd August 2025
40AQI
3rd August 2025
83AQI
4th August 2025
95AQI

41AQI

48AQI

48AQI

61AQI

87AQI

116AQI

122AQI

63AQI

No. of days

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

202575AQI

27
4
18
10
15
16
2
28
1
22
8
1
6
20
3
8
17
6
2
2
66
96
45
9

Highest AQI recorded in

July

122AQI

Lowest AQI recorded in

January

41AQI

202458AQI

18
13
17
12
20
11
7
19
3
1
6
9
15
1
12
8
6
3
11
11
8
1
4
23
4
12
18
28
3
29
1
29
2
193
130
36
6

Highest AQI recorded in

May

96AQI

Lowest AQI recorded in

November

34AQI

202373AQI

31
9
11
5
2
1
19
12
5
20
4
1
14
16
1
2
12
14
2
14
16
1
5
19
7
6
21
3
10
21
13
6
10
16
15
116
165
75
7
1

Highest AQI recorded in

May

106AQI

Lowest AQI recorded in

January

38AQI

202263AQI

31
12
8
1
16
15
11
19
17
13
1
9
16
5
2
12
6
2
1
2
4
21
4
26
5
25
5
26
5
153
118
40
8
1

Highest AQI recorded in

June

118AQI

Lowest AQI recorded in

January

33AQI

202170AQI

19
11
18
10
26
5
6
21
3
15
14
2
12
9
9
8
13
10
15
7
9
11
19
25
6
30
25
6
160
128
46
30

Highest AQI recorded in

July

131AQI

Lowest AQI recorded in

November

37AQI

202070AQI

9
4
5
16
5
13
2
13
6
9
1
17
9
4
5
17
8
1
7
22
1
20
11
24
6
31
104
111
37
14

Highest AQI recorded in

June

108AQI

Lowest AQI recorded in

December

38AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
75AQI
Least Polluted Year Recorded
2024(Avg.)
58AQI

San Fernando's annual 2025 AQI (75) shows an average percentage change of 12.6% (worsened AQI) compared to previous years: 2020 (70), 2021 (70), 2022 (63), 2023 (73), 2024 (58).