Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

La Serena, Coquimbo, 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+

December Air Quality Analysis

La Serena, Coquimbo, Chile

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
3rd Dec 2025
53AQI
Lowest AQI recorded on
26th Dec 2023
4AQI

Same Day Analysis (11th December ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 30 of Good air quality, showing improvement over 2024 and 2022 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 11th Dec - 12th Dec 2025

La Serena, Coquimbo, Chile

AQI
Day
Night
.

6 AM11th Dec 2025

8 PM

5 AM12th Dec 2025

Day time
Avg. Highest Time
11AM11th Dec

42AQI

Avg. Lowest Time
3PM11th Dec

17AQI

Night time
Avg. Highest Time
12AM12th Dec

33AQI

Avg. Lowest Time
4AM12th Dec

22AQI

In the last 24 hours,

La Serena's AQI reached its highest point of 42 at 11 AM during the Day, while the lowest point, undefined, was recorded at 5 AM during the Night between 11th Dec and 12th Dec 2025.

Day & Night AQI Trend : Nov - Dec 2025

La Serena, Coquimbo, Chile

NovDec
12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th
Day
Night
12th Nov 2025336 AMAQI
12th Nov 2025337 AMAQI
12th Nov 2025328 AMAQI
12th Nov 2025349 AMAQI
12th Nov 20255110 AMAQI
12th Nov 20257311 AMAQI
12th Nov 20256512 PMAQI
12th Nov 2025551 PMAQI
12th Nov 2025552 PMAQI
12th Nov 2025513 PMAQI
12th Nov 2025454 PMAQI
12th Nov 2025445 PMAQI
12th Nov 2025546 PMAQI
12th Nov 2025577 PMAQI
12th Nov 2025628 PMAQI
12th Nov 2025599 PMAQI
12th Nov 20256010 PMAQI
12th Nov 20255811 PMAQI
13th Nov 20255912 AMAQI
13th Nov 2025631 AMAQI
13th Nov 2025582 AMAQI
13th Nov 2025483 AMAQI
13th Nov 2025504 AMAQI
13th Nov 2025535 AMAQI

18°C13/21°C

13th Nov 2025536 AMAQI
13th Nov 2025637 AMAQI
13th Nov 2025678 AMAQI
13th Nov 2025599 AMAQI
13th Nov 20256110 AMAQI
13th Nov 20259111 AMAQI
13th Nov 20258112 PMAQI
13th Nov 2025661 PMAQI
13th Nov 2025572 PMAQI
13th Nov 2025573 PMAQI
13th Nov 2025574 PMAQI
13th Nov 2025585 PMAQI
13th Nov 2025566 PMAQI
13th Nov 2025557 PMAQI
13th Nov 2025608 PMAQI
13th Nov 2025589 PMAQI
13th Nov 20255810 PMAQI
13th Nov 20255711 PMAQI
14th Nov 20256012 AMAQI
14th Nov 2025571 AMAQI
14th Nov 2025562 AMAQI
14th Nov 2025563 AMAQI
14th Nov 2025564 AMAQI
14th Nov 2025575 AMAQI

17°C14/20°C

14th Nov 2025586 AMAQI
14th Nov 2025567 AMAQI
14th Nov 2025558 AMAQI
14th Nov 2025549 AMAQI
14th Nov 20256110 AMAQI
14th Nov 20256211 AMAQI
14th Nov 20255912 PMAQI
14th Nov 2025591 PMAQI
14th Nov 2025562 PMAQI
14th Nov 2025553 PMAQI
14th Nov 2025564 PMAQI
14th Nov 2025545 PMAQI
14th Nov 2025526 PMAQI
14th Nov 2025467 PMAQI
14th Nov 2025448 PMAQI
14th Nov 2025449 PMAQI
14th Nov 20255010 PMAQI
14th Nov 20255311 PMAQI
15th Nov 20255112 AMAQI
15th Nov 2025491 AMAQI
15th Nov 2025482 AMAQI
15th Nov 2025533 AMAQI
15th Nov 2025544 AMAQI
15th Nov 2025525 AMAQI

16°C12/19°C

15th Nov 2025506 AMAQI
15th Nov 2025507 AMAQI
15th Nov 2025528 AMAQI
15th Nov 2025559 AMAQI
15th Nov 20255610 AMAQI
15th Nov 20255711 AMAQI
15th Nov 20255012 PMAQI
15th Nov 2025501 PMAQI
15th Nov 2025462 PMAQI
15th Nov 2025443 PMAQI
15th Nov 2025444 PMAQI
15th Nov 2025445 PMAQI
15th Nov 2025376 PMAQI
15th Nov 2025357 PMAQI
15th Nov 2025418 PMAQI
15th Nov 2025419 PMAQI
15th Nov 20253710 PMAQI
15th Nov 20254011 PMAQI
16th Nov 20254412 AMAQI
16th Nov 2025441 AMAQI
16th Nov 2025392 AMAQI
16th Nov 2025363 AMAQI
16th Nov 2025324 AMAQI
16th Nov 2025405 AMAQI

16°C12/20°C

16th Nov 2025316 AMAQI
16th Nov 2025297 AMAQI
16th Nov 2025318 AMAQI
16th Nov 2025299 AMAQI
16th Nov 20252210 AMAQI
16th Nov 20252111 AMAQI
16th Nov 20253312 PMAQI
16th Nov 2025371 PMAQI
16th Nov 2025372 PMAQI
16th Nov 2025383 PMAQI
16th Nov 2025434 PMAQI
16th Nov 2025415 PMAQI
16th Nov 2025406 PMAQI
16th Nov 2025537 PMAQI
16th Nov 2025598 PMAQI
16th Nov 2025619 PMAQI
16th Nov 20256110 PMAQI
16th Nov 20255711 PMAQI
17th Nov 20256112 AMAQI
17th Nov 2025681 AMAQI
17th Nov 2025632 AMAQI
17th Nov 2025593 AMAQI
17th Nov 2025524 AMAQI
17th Nov 2025525 AMAQI

17°C12/21°C

17th Nov 2025536 AMAQI
17th Nov 2025537 AMAQI
17th Nov 2025518 AMAQI
17th Nov 2025509 AMAQI
17th Nov 20255710 AMAQI
17th Nov 20257011 AMAQI
17th Nov 20257112 PMAQI
17th Nov 2025631 PMAQI
17th Nov 2025562 PMAQI
17th Nov 2025563 PMAQI
17th Nov 2025704 PMAQI
17th Nov 2025665 PMAQI
17th Nov 2025636 PMAQI
17th Nov 2025667 PMAQI
17th Nov 2025698 PMAQI
17th Nov 2025709 PMAQI
17th Nov 20257010 PMAQI
17th Nov 20257011 PMAQI
18th Nov 20256612 AMAQI
18th Nov 2025631 AMAQI
18th Nov 2025622 AMAQI
18th Nov 2025623 AMAQI
18th Nov 2025724 AMAQI
18th Nov 2025675 AMAQI

18°C15/23°C

18th Nov 2025636 AMAQI
18th Nov 2025587 AMAQI
18th Nov 2025558 AMAQI
18th Nov 2025559 AMAQI
18th Nov 20255510 AMAQI
18th Nov 20255811 AMAQI
18th Nov 20254412 PMAQI
18th Nov 2025271 PMAQI
18th Nov 2025222 PMAQI
18th Nov 2025233 PMAQI
18th Nov 2025264 PMAQI
18th Nov 2025265 PMAQI
18th Nov 2025346 PMAQI
18th Nov 2025337 PMAQI
18th Nov 2025298 PMAQI
18th Nov 2025369 PMAQI
18th Nov 20253910 PMAQI
18th Nov 20253911 PMAQI
19th Nov 20254012 AMAQI
19th Nov 2025361 AMAQI
19th Nov 2025372 AMAQI
19th Nov 2025463 AMAQI
19th Nov 2025434 AMAQI
19th Nov 2025425 AMAQI

17°C13/19°C

19th Nov 2025466 AMAQI
19th Nov 2025477 AMAQI
19th Nov 2025458 AMAQI
19th Nov 2025429 AMAQI
19th Nov 20255010 AMAQI
19th Nov 20255311 AMAQI
19th Nov 20253612 PMAQI
19th Nov 2025301 PMAQI
19th Nov 2025482 PMAQI
19th Nov 2025603 PMAQI
19th Nov 2025484 PMAQI
19th Nov 2025415 PMAQI
19th Nov 2025576 PMAQI
19th Nov 2025447 PMAQI
19th Nov 2025338 PMAQI
19th Nov 2025359 PMAQI
19th Nov 20253410 PMAQI
19th Nov 20253511 PMAQI
20th Nov 20254812 AMAQI
20th Nov 2025521 AMAQI
20th Nov 2025522 AMAQI
20th Nov 2025463 AMAQI
20th Nov 2025344 AMAQI
20th Nov 2025295 AMAQI

17°C13/20°C

20th Nov 2025436 AMAQI
20th Nov 2025357 AMAQI
20th Nov 2025328 AMAQI
20th Nov 2025349 AMAQI
20th Nov 20255010 AMAQI
20th Nov 20255611 AMAQI
20th Nov 20255012 PMAQI
20th Nov 2025431 PMAQI
20th Nov 2025402 PMAQI
20th Nov 2025473 PMAQI
20th Nov 2025354 PMAQI
20th Nov 2025285 PMAQI
20th Nov 2025326 PMAQI
20th Nov 2025337 PMAQI
20th Nov 2025418 PMAQI
20th Nov 2025419 PMAQI
20th Nov 20254710 PMAQI
20th Nov 20255211 PMAQI
21st Nov 20255212 AMAQI
21st Nov 2025531 AMAQI
21st Nov 2025542 AMAQI
21st Nov 2025543 AMAQI
21st Nov 2025454 AMAQI
21st Nov 2025315 AMAQI

17°C13/21°C

21st Nov 2025286 AMAQI
21st Nov 2025287 AMAQI
21st Nov 2025358 AMAQI
21st Nov 2025409 AMAQI
21st Nov 20255510 AMAQI
21st Nov 20256911 AMAQI
21st Nov 20255612 PMAQI
21st Nov 2025311 PMAQI
21st Nov 2025352 PMAQI
21st Nov 2025313 PMAQI
21st Nov 2025284 PMAQI
21st Nov 2025255 PMAQI
21st Nov 2025426 PMAQI
21st Nov 2025477 PMAQI
21st Nov 2025378 PMAQI
21st Nov 2025459 PMAQI
21st Nov 20254710 PMAQI
21st Nov 20255011 PMAQI
22nd Nov 20254912 AMAQI
22nd Nov 2025481 AMAQI
22nd Nov 2025412 AMAQI
22nd Nov 2025463 AMAQI
22nd Nov 2025454 AMAQI
22nd Nov 2025315 AMAQI

18°C14/21°C

22nd Nov 2025316 AMAQI
22nd Nov 2025327 AMAQI
22nd Nov 2025338 AMAQI
22nd Nov 2025369 AMAQI
22nd Nov 20254710 AMAQI
22nd Nov 20254611 AMAQI
22nd Nov 20254612 PMAQI
22nd Nov 2025441 PMAQI
22nd Nov 2025392 PMAQI
22nd Nov 2025383 PMAQI
22nd Nov 2025394 PMAQI
22nd Nov 2025375 PMAQI
22nd Nov 2025346 PMAQI
22nd Nov 2025497 PMAQI
22nd Nov 2025528 PMAQI
22nd Nov 2025499 PMAQI
22nd Nov 20255010 PMAQI
22nd Nov 20253911 PMAQI
23rd Nov 20253512 AMAQI
23rd Nov 2025361 AMAQI
23rd Nov 2025402 AMAQI
23rd Nov 2025413 AMAQI
23rd Nov 2025384 AMAQI
23rd Nov 2025335 AMAQI

18°C15/20°C

23rd Nov 2025336 AMAQI
23rd Nov 2025297 AMAQI
23rd Nov 2025358 AMAQI
23rd Nov 2025389 AMAQI
23rd Nov 20254010 AMAQI
23rd Nov 20252911 AMAQI
23rd Nov 20252212 PMAQI
23rd Nov 2025341 PMAQI
23rd Nov 2025312 PMAQI
23rd Nov 2025363 PMAQI
23rd Nov 2025324 PMAQI
23rd Nov 2025285 PMAQI
23rd Nov 2025366 PMAQI
23rd Nov 2025457 PMAQI
23rd Nov 2025428 PMAQI
23rd Nov 2025519 PMAQI
23rd Nov 20254810 PMAQI
23rd Nov 20254011 PMAQI
24th Nov 20254812 AMAQI
24th Nov 2025481 AMAQI
24th Nov 2025442 AMAQI
24th Nov 2025383 AMAQI
24th Nov 2025334 AMAQI
24th Nov 2025295 AMAQI

16°C13/19°C

24th Nov 2025376 AMAQI
24th Nov 2025387 AMAQI
24th Nov 2025328 AMAQI
24th Nov 2025339 AMAQI
24th Nov 20254510 AMAQI
24th Nov 20254911 AMAQI
24th Nov 20254112 PMAQI
24th Nov 2025281 PMAQI
24th Nov 2025242 PMAQI
24th Nov 2025213 PMAQI
24th Nov 2025274 PMAQI
24th Nov 2025325 PMAQI
24th Nov 2025306 PMAQI
24th Nov 2025297 PMAQI
24th Nov 2025338 PMAQI
24th Nov 2025329 PMAQI
24th Nov 20253310 PMAQI
24th Nov 20253211 PMAQI
25th Nov 20253212 AMAQI
25th Nov 2025301 AMAQI
25th Nov 2025312 AMAQI
25th Nov 2025333 AMAQI
25th Nov 2025464 AMAQI
25th Nov 2025535 AMAQI

17°C13/19°C

25th Nov 2025306 AMAQI
25th Nov 2025247 AMAQI
25th Nov 2025308 AMAQI
25th Nov 2025409 AMAQI
25th Nov 20255510 AMAQI
25th Nov 20256811 AMAQI
25th Nov 20255612 PMAQI
25th Nov 2025371 PMAQI
25th Nov 2025292 PMAQI
25th Nov 2025323 PMAQI
25th Nov 2025294 PMAQI
25th Nov 2025325 PMAQI
25th Nov 2025436 PMAQI
25th Nov 2025477 PMAQI
25th Nov 2025368 PMAQI
25th Nov 2025249 PMAQI
25th Nov 20252310 PMAQI
25th Nov 20253811 PMAQI
26th Nov 20254812 AMAQI
26th Nov 2025511 AMAQI
26th Nov 2025502 AMAQI
26th Nov 2025503 AMAQI
26th Nov 2025524 AMAQI
26th Nov 2025525 AMAQI

16°C13/19°C

26th Nov 2025526 AMAQI
26th Nov 2025467 AMAQI
26th Nov 2025378 AMAQI
26th Nov 2025459 AMAQI
26th Nov 20256310 AMAQI
26th Nov 20256011 AMAQI
26th Nov 20254312 PMAQI
26th Nov 2025391 PMAQI
26th Nov 2025472 PMAQI
26th Nov 2025403 PMAQI
26th Nov 2025374 PMAQI
26th Nov 2025345 PMAQI
26th Nov 2025326 PMAQI
26th Nov 2025297 PMAQI
26th Nov 2025258 PMAQI
26th Nov 2025239 PMAQI
26th Nov 20252810 PMAQI
26th Nov 20254411 PMAQI
27th Nov 20255212 AMAQI
27th Nov 2025531 AMAQI
27th Nov 2025512 AMAQI
27th Nov 2025503 AMAQI
27th Nov 2025434 AMAQI
27th Nov 2025345 AMAQI

16°C12/20°C

27th Nov 2025436 AMAQI
27th Nov 2025507 AMAQI
27th Nov 2025438 AMAQI
27th Nov 2025489 AMAQI
27th Nov 20256110 AMAQI
27th Nov 20257511 AMAQI
27th Nov 20255912 PMAQI
27th Nov 2025411 PMAQI
27th Nov 2025482 PMAQI
27th Nov 2025523 PMAQI
27th Nov 2025404 PMAQI
27th Nov 2025395 PMAQI
27th Nov 2025436 PMAQI
27th Nov 2025337 PMAQI
27th Nov 2025308 PMAQI
27th Nov 2025259 PMAQI
27th Nov 20252210 PMAQI
27th Nov 20255311 PMAQI
28th Nov 20254212 AMAQI
28th Nov 2025561 AMAQI
28th Nov 2025602 AMAQI
28th Nov 2025523 AMAQI
28th Nov 2025464 AMAQI
28th Nov 2025355 AMAQI

17°C13/20°C

28th Nov 2025326 AMAQI
28th Nov 2025287 AMAQI
28th Nov 2025298 AMAQI
28th Nov 2025349 AMAQI
28th Nov 20254210 AMAQI
28th Nov 20254511 AMAQI
28th Nov 20254412 PMAQI
28th Nov 2025461 PMAQI
28th Nov 2025482 PMAQI
28th Nov 2025523 PMAQI
28th Nov 2025434 PMAQI
28th Nov 2025395 PMAQI
28th Nov 2025416 PMAQI
28th Nov 2025377 PMAQI
28th Nov 2025408 PMAQI
28th Nov 2025449 PMAQI
28th Nov 20253110 PMAQI
28th Nov 20252911 PMAQI
29th Nov 20254612 AMAQI
29th Nov 2025621 AMAQI
29th Nov 2025632 AMAQI
29th Nov 2025593 AMAQI
29th Nov 2025484 AMAQI
29th Nov 2025345 AMAQI

16°C13/19°C

29th Nov 2025306 AMAQI
29th Nov 2025307 AMAQI
29th Nov 2025448 AMAQI
29th Nov 2025549 AMAQI
29th Nov 20255610 AMAQI
29th Nov 20254711 AMAQI
29th Nov 20252912 PMAQI
29th Nov 2025231 PMAQI
29th Nov 2025302 PMAQI
29th Nov 2025253 PMAQI
29th Nov 2025304 PMAQI
29th Nov 2025315 PMAQI
29th Nov 2025296 PMAQI
29th Nov 2025307 PMAQI
29th Nov 2025378 PMAQI
29th Nov 2025469 PMAQI
29th Nov 20252410 PMAQI
29th Nov 20252511 PMAQI
30th Nov 20253512 AMAQI
30th Nov 2025311 AMAQI
30th Nov 2025372 AMAQI
30th Nov 2025443 AMAQI
30th Nov 2025344 AMAQI
30th Nov 2025335 AMAQI

17°C14/20°C

30th Nov 2025336 AMAQI
30th Nov 2025427 AMAQI
30th Nov 2025528 AMAQI
30th Nov 2025539 AMAQI
30th Nov 20254810 AMAQI
30th Nov 20254811 AMAQI
30th Nov 20255212 PMAQI
30th Nov 2025541 PMAQI
30th Nov 2025542 PMAQI
30th Nov 2025533 PMAQI
30th Nov 2025504 PMAQI
30th Nov 2025435 PMAQI
30th Nov 2025466 PMAQI
30th Nov 2025517 PMAQI
30th Nov 2025558 PMAQI
30th Nov 2025619 PMAQI
30th Nov 20256610 PMAQI
30th Nov 20256711 PMAQI
1st Dec 20256512 AMAQI
1st Dec 2025641 AMAQI
1st Dec 2025642 AMAQI
1st Dec 2025603 AMAQI
1st Dec 2025574 AMAQI
1st Dec 2025515 AMAQI

18°C15/22°C

1st Dec 2025386 AMAQI
1st Dec 2025357 AMAQI
1st Dec 2025348 AMAQI
1st Dec 2025329 AMAQI
1st Dec 20254710 AMAQI
1st Dec 20256111 AMAQI
1st Dec 20255712 PMAQI
1st Dec 2025451 PMAQI
1st Dec 2025392 PMAQI
1st Dec 2025393 PMAQI
1st Dec 2025464 PMAQI
1st Dec 2025505 PMAQI
1st Dec 2025516 PMAQI
1st Dec 2025407 PMAQI
1st Dec 2025408 PMAQI
1st Dec 2025419 PMAQI
1st Dec 20254010 PMAQI
1st Dec 20254711 PMAQI
2nd Dec 20254312 AMAQI
2nd Dec 2025411 AMAQI
2nd Dec 2025442 AMAQI
2nd Dec 2025483 AMAQI
2nd Dec 2025534 AMAQI
2nd Dec 2025445 AMAQI

19°C16/23°C

2nd Dec 2025356 AMAQI
2nd Dec 2025337 AMAQI
2nd Dec 2025308 AMAQI
2nd Dec 2025359 AMAQI
2nd Dec 20254710 AMAQI
2nd Dec 20255711 AMAQI
2nd Dec 20255412 PMAQI
2nd Dec 2025541 PMAQI
2nd Dec 2025552 PMAQI
2nd Dec 2025493 PMAQI
2nd Dec 2025444 PMAQI
2nd Dec 2025445 PMAQI
2nd Dec 2025426 PMAQI
2nd Dec 2025407 PMAQI
2nd Dec 2025408 PMAQI
2nd Dec 2025439 PMAQI
2nd Dec 20255410 PMAQI
2nd Dec 20256811 PMAQI
3rd Dec 20256812 AMAQI
3rd Dec 2025691 AMAQI
3rd Dec 2025652 AMAQI
3rd Dec 2025633 AMAQI
3rd Dec 2025634 AMAQI
3rd Dec 2025595 AMAQI

19°C15/23°C

3rd Dec 2025536 AMAQI
3rd Dec 2025547 AMAQI
3rd Dec 2025568 AMAQI
3rd Dec 2025569 AMAQI
3rd Dec 20255610 AMAQI
3rd Dec 20255611 AMAQI
3rd Dec 20255412 PMAQI
3rd Dec 2025531 PMAQI
3rd Dec 2025542 PMAQI
3rd Dec 2025553 PMAQI
3rd Dec 2025424 PMAQI
3rd Dec 2025375 PMAQI
3rd Dec 2025476 PMAQI
3rd Dec 2025447 PMAQI
3rd Dec 2025408 PMAQI
3rd Dec 2025359 PMAQI
3rd Dec 20253210 PMAQI
3rd Dec 20253011 PMAQI
4th Dec 20253412 AMAQI
4th Dec 2025311 AMAQI
4th Dec 2025242 AMAQI
4th Dec 2025233 AMAQI
4th Dec 2025284 AMAQI
4th Dec 2025445 AMAQI

19°C17/23°C

4th Dec 2025306 AMAQI
4th Dec 2025277 AMAQI
4th Dec 2025328 AMAQI
4th Dec 2025259 AMAQI
4th Dec 20252110 AMAQI
4th Dec 20251811 AMAQI
4th Dec 20254212 PMAQI
4th Dec 2025371 PMAQI
4th Dec 2025332 PMAQI
4th Dec 2025333 PMAQI
4th Dec 2025304 PMAQI
4th Dec 2025285 PMAQI
4th Dec 2025316 PMAQI
4th Dec 2025307 PMAQI
4th Dec 2025248 PMAQI
4th Dec 2025229 PMAQI
4th Dec 20253010 PMAQI
4th Dec 20253011 PMAQI
5th Dec 20253212 AMAQI
5th Dec 2025361 AMAQI
5th Dec 2025412 AMAQI
5th Dec 2025383 AMAQI
5th Dec 2025304 AMAQI
5th Dec 2025255 AMAQI

18°C16/20°C

5th Dec 2025366 AMAQI
5th Dec 2025377 AMAQI
5th Dec 2025338 AMAQI
5th Dec 2025319 AMAQI
5th Dec 20253910 AMAQI
5th Dec 20255111 AMAQI
5th Dec 20255012 PMAQI
5th Dec 2025371 PMAQI
5th Dec 2025312 PMAQI
5th Dec 2025303 PMAQI
5th Dec 2025294 PMAQI
5th Dec 2025315 PMAQI
5th Dec 2025346 PMAQI
5th Dec 2025317 PMAQI
5th Dec 2025318 PMAQI
5th Dec 2025369 PMAQI
5th Dec 20253810 PMAQI
5th Dec 20254111 PMAQI
6th Dec 20254312 AMAQI
6th Dec 2025481 AMAQI
6th Dec 2025462 AMAQI
6th Dec 2025333 AMAQI
6th Dec 2025464 AMAQI
6th Dec 2025495 AMAQI

19°C16/22°C

6th Dec 2025396 AMAQI
6th Dec 2025397 AMAQI
6th Dec 2025398 AMAQI
6th Dec 2025399 AMAQI
6th Dec 20255010 AMAQI
6th Dec 20255811 AMAQI
6th Dec 20256212 PMAQI
6th Dec 2025461 PMAQI
6th Dec 2025352 PMAQI
6th Dec 2025333 PMAQI
6th Dec 2025324 PMAQI
6th Dec 2025295 PMAQI
6th Dec 2025286 PMAQI
6th Dec 2025267 PMAQI
6th Dec 2025258 PMAQI
6th Dec 2025249 PMAQI
6th Dec 20252510 PMAQI
6th Dec 20253111 PMAQI
7th Dec 20254312 AMAQI
7th Dec 2025401 AMAQI
7th Dec 2025352 AMAQI
7th Dec 2025353 AMAQI
7th Dec 2025384 AMAQI
7th Dec 2025355 AMAQI

18°C15/21°C

7th Dec 2025306 AMAQI
7th Dec 2025307 AMAQI
7th Dec 2025248 AMAQI
7th Dec 2025399 AMAQI
7th Dec 20254810 AMAQI
7th Dec 20254411 AMAQI
7th Dec 20252612 PMAQI
7th Dec 2025361 PMAQI
7th Dec 2025422 PMAQI
7th Dec 2025323 PMAQI
7th Dec 2025284 PMAQI
7th Dec 2025285 PMAQI
7th Dec 2025276 PMAQI
7th Dec 2025287 PMAQI
7th Dec 2025308 PMAQI
7th Dec 2025329 PMAQI
7th Dec 20253010 PMAQI
7th Dec 20254211 PMAQI
8th Dec 20254312 AMAQI
8th Dec 2025541 AMAQI
8th Dec 2025532 AMAQI
8th Dec 2025423 AMAQI
8th Dec 2025384 AMAQI
8th Dec 2025315 AMAQI

19°C15/23°C

8th Dec 2025286 AMAQI
8th Dec 2025357 AMAQI
8th Dec 2025388 AMAQI
8th Dec 2025379 AMAQI
8th Dec 20254510 AMAQI
8th Dec 20255011 AMAQI
8th Dec 20255012 PMAQI
8th Dec 2025461 PMAQI
8th Dec 2025372 PMAQI
8th Dec 2025303 PMAQI
8th Dec 2025414 PMAQI
8th Dec 2025495 PMAQI
8th Dec 2025526 PMAQI
8th Dec 2025547 PMAQI
8th Dec 2025548 PMAQI
8th Dec 2025549 PMAQI
8th Dec 20255310 PMAQI
8th Dec 20255211 PMAQI
9th Dec 20254312 AMAQI
9th Dec 2025421 AMAQI
9th Dec 2025422 AMAQI
9th Dec 2025383 AMAQI
9th Dec 2025344 AMAQI
9th Dec 2025325 AMAQI

19°C16/23°C

9th Dec 2025326 AMAQI
9th Dec 2025307 AMAQI
9th Dec 2025338 AMAQI
9th Dec 2025309 AMAQI
9th Dec 20254010 AMAQI
9th Dec 20255211 AMAQI
9th Dec 20254712 PMAQI
9th Dec 2025381 PMAQI
9th Dec 2025362 PMAQI
9th Dec 2025473 PMAQI
9th Dec 2025434 PMAQI
9th Dec 2025355 PMAQI
9th Dec 2025306 PMAQI
9th Dec 2025477 PMAQI
9th Dec 2025478 PMAQI
9th Dec 2025329 PMAQI
9th Dec 20252910 PMAQI
9th Dec 20253411 PMAQI
10th Dec 20253012 AMAQI
10th Dec 2025251 AMAQI
10th Dec 2025232 AMAQI
10th Dec 2025223 AMAQI
10th Dec 2025224 AMAQI
10th Dec 2025225 AMAQI

18°C15/21°C

10th Dec 2025236 AMAQI
10th Dec 2025357 AMAQI
10th Dec 2025428 AMAQI
10th Dec 2025369 AMAQI
10th Dec 20253010 AMAQI
10th Dec 20253111 AMAQI
10th Dec 20252512 PMAQI
10th Dec 2025221 PMAQI
10th Dec 2025262 PMAQI
10th Dec 2025283 PMAQI
10th Dec 2025364 PMAQI
10th Dec 2025335 PMAQI
10th Dec 2025286 PMAQI
10th Dec 2025287 PMAQI
10th Dec 2025228 PMAQI
10th Dec 2025379 PMAQI
10th Dec 20254810 PMAQI
10th Dec 20253811 PMAQI
11th Dec 20253712 AMAQI
11th Dec 2025391 AMAQI
11th Dec 2025352 AMAQI
11th Dec 2025283 AMAQI
11th Dec 2025254 AMAQI
11th Dec 2025235 AMAQI

18°C16/20°C

11th Dec 2025306 AMAQI
11th Dec 2025217 AMAQI
11th Dec 2025178 AMAQI
11th Dec 2025269 AMAQI
11th Dec 20253610 AMAQI
11th Dec 20254211 AMAQI
11th Dec 20252612 PMAQI
11th Dec 2025221 PMAQI
11th Dec 2025202 PMAQI
11th Dec 2025173 PMAQI
11th Dec 2025214 PMAQI
11th Dec 2025235 PMAQI
11th Dec 2025236 PMAQI
11th Dec 2025317 PMAQI
11th Dec 2025318 PMAQI
11th Dec 2025269 PMAQI
11th Dec 20252810 PMAQI
11th Dec 20253011 PMAQI
12th Dec 20253312 AMAQI
12th Dec 2025321 AMAQI
12th Dec 2025332 AMAQI
12th Dec 2025253 AMAQI
12th Dec 2025224 AMAQI

18°C16/20°C

6 AM
1 PM
8 PM
1 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
11 AM

53AQI

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

38AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 11 AM (Avg. 53), while the lowest AQI was between 6 AM to 8 AM (Avg. 38).
Night time
Avg. Highest Time
12 AM - 2 AM

46AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
5 AM - 10 PM

41AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 2 AM (Avg. 46), while the lowest AQI was between 5 AM to 10 PM (Avg. 41).

2025 Days Vs Air Quality

La Serena, Coquimbo, Chile

2025

54%

186

46%

159

Total number of days with different AQI categories in last 346 days in 2025 (19 days remaining)

Good
186 Days
Moderate
159 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 54%

Health Risk Level:

Considerable

In 2025, 54% of 346 days were within WHO’s safe air quality limits, and 46% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.

Annual Air Quality Insights

La Serena, Coquimbo, Chile

AQI levels in 2025

AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
42AQI
2nd January 2025
38AQI
3rd January 2025
33AQI
4th January 2025
31AQI
5th January 2025
36AQI
6th January 2025
30AQI
7th January 2025
30AQI
8th January 2025
27AQI
9th January 2025
27AQI
10th January 2025
32AQI
11th January 2025
34AQI
12th January 2025
33AQI
13th January 2025
32AQI
14th January 2025
29AQI
15th January 2025
32AQI
16th January 2025
37AQI
17th January 2025
33AQI
18th January 2025
38AQI
19th January 2025
42AQI
20th January 2025
38AQI
21st January 2025
38AQI
22nd January 2025
33AQI
23rd January 2025
31AQI
24th January 2025
41AQI
25th January 2025
52AQI
26th January 2025
46AQI
27th January 2025
40AQI
28th January 2025
40AQI
29th January 2025
43AQI
30th January 2025
39AQI
31st January 2025
36AQI
1st February 2025
40AQI
2nd February 2025
41AQI
3rd February 2025
38AQI
4th February 2025
46AQI
5th February 2025
44AQI
6th February 2025
44AQI
7th February 2025
46AQI
8th February 2025
43AQI
9th February 2025
42AQI
10th February 2025
37AQI
11th February 2025
48AQI
12th February 2025
54AQI
13th February 2025
60AQI
14th February 2025
49AQI
15th February 2025
43AQI
16th February 2025
44AQI
17th February 2025
46AQI
18th February 2025
45AQI
19th February 2025
45AQI
20th February 2025
42AQI
21st February 2025
35AQI
22nd February 2025
43AQI
23rd February 2025
38AQI
24th February 2025
35AQI
25th February 2025
46AQI
26th February 2025
36AQI
27th February 2025
35AQI
28th February 2025
42AQI
1st March 2025
36AQI
2nd March 2025
26AQI
3rd March 2025
30AQI
4th March 2025
40AQI
5th March 2025
39AQI
6th March 2025
36AQI
7th March 2025
34AQI
8th March 2025
41AQI
9th March 2025
47AQI
10th March 2025
44AQI
11th March 2025
43AQI
12th March 2025
44AQI
13th March 2025
38AQI
14th March 2025
32AQI
15th March 2025
35AQI
16th March 2025
40AQI
17th March 2025
50AQI
18th March 2025
50AQI
19th March 2025
40AQI
20th March 2025
39AQI
21st March 2025
47AQI
22nd March 2025
45AQI
23rd March 2025
48AQI
24th March 2025
43AQI
25th March 2025
50AQI
26th March 2025
60AQI
27th March 2025
66AQI
28th March 2025
65AQI
29th March 2025
60AQI
30th March 2025
51AQI
31st March 2025
59AQI
1st April 2025
52AQI
2nd April 2025
50AQI
3rd April 2025
54AQI
4th April 2025
50AQI
5th April 2025
46AQI
6th April 2025
37AQI
7th April 2025
42AQI
8th April 2025
46AQI
9th April 2025
55AQI
10th April 2025
48AQI
11th April 2025
47AQI
12th April 2025
50AQI
13th April 2025
49AQI
14th April 2025
42AQI
15th April 2025
42AQI
16th April 2025
47AQI
17th April 2025
50AQI
18th April 2025
56AQI
19th April 2025
51AQI
20th April 2025
55AQI
21st April 2025
46AQI
22nd April 2025
51AQI
23rd April 2025
45AQI
24th April 2025
49AQI
25th April 2025
50AQI
26th April 2025
49AQI
27th April 2025
55AQI
28th April 2025
50AQI
29th April 2025
47AQI
30th April 2025
41AQI
1st May 2025
46AQI
2nd May 2025
54AQI
3rd May 2025
59AQI
4th May 2025
56AQI
5th May 2025
55AQI
6th May 2025
52AQI
7th May 2025
54AQI
8th May 2025
49AQI
9th May 2025
48AQI
10th May 2025
53AQI
11th May 2025
45AQI
12th May 2025
54AQI
13th May 2025
60AQI
14th May 2025
61AQI
15th May 2025
67AQI
16th May 2025
66AQI
17th May 2025
65AQI
18th May 2025
57AQI
19th May 2025
54AQI
20th May 2025
65AQI
21st May 2025
64AQI
22nd May 2025
59AQI
23rd May 2025
56AQI
24th May 2025
62AQI
25th May 2025
64AQI
26th May 2025
54AQI
27th May 2025
47AQI
28th May 2025
49AQI
29th May 2025
52AQI
30th May 2025
64AQI
31st May 2025
76AQI
1st June 2025
67AQI
2nd June 2025
62AQI
3rd June 2025
81AQI
4th June 2025
58AQI
5th June 2025
61AQI
6th June 2025
62AQI
7th June 2025
70AQI
8th June 2025
74AQI
9th June 2025
83AQI
10th June 2025
79AQI
11th June 2025
59AQI
12th June 2025
51AQI
13th June 2025
54AQI
14th June 2025
66AQI
15th June 2025
67AQI
16th June 2025
53AQI
17th June 2025
59AQI
18th June 2025
62AQI
19th June 2025
65AQI
20th June 2025
77AQI
21st June 2025
76AQI
22nd June 2025
74AQI
23rd June 2025
66AQI
24th June 2025
64AQI
25th June 2025
62AQI
26th June 2025
61AQI
27th June 2025
71AQI
28th June 2025
73AQI
29th June 2025
72AQI
30th June 2025
82AQI
1st July 2025
90AQI
2nd July 2025
85AQI
3rd July 2025
81AQI
4th July 2025
71AQI
5th July 2025
62AQI
6th July 2025
51AQI
7th July 2025
60AQI
8th July 2025
58AQI
9th July 2025
55AQI
10th July 2025
57AQI
11th July 2025
75AQI
12th July 2025
75AQI
13th July 2025
72AQI
14th July 2025
61AQI
15th July 2025
58AQI
16th July 2025
81AQI
17th July 2025
81AQI
18th July 2025
72AQI
19th July 2025
72AQI
20th July 2025
70AQI
21st July 2025
81AQI
22nd July 2025
81AQI
23rd July 2025
63AQI
24th July 2025
61AQI
25th July 2025
61AQI
26th July 2025
57AQI
27th July 2025
55AQI
28th July 2025
54AQI
29th July 2025
59AQI
30th July 2025
47AQI
31st July 2025
48AQI
1st August 2025
44AQI
2nd August 2025
51AQI
3rd August 2025
65AQI
4th August 2025
69AQI
5th August 2025
68AQI
6th August 2025
58AQI
7th August 2025
55AQI
8th August 2025
54AQI
9th August 2025
46AQI
10th August 2025
55AQI
11th August 2025
57AQI
12th August 2025
57AQI
13th August 2025
55AQI
14th August 2025
50AQI
15th August 2025
48AQI
16th August 2025
48AQI
17th August 2025
39AQI
18th August 2025
47AQI
19th August 2025
50AQI
20th August 2025
50AQI
21st August 2025
37AQI
22nd August 2025
36AQI
23rd August 2025
51AQI
24th August 2025
56AQI
25th August 2025
54AQI
26th August 2025
54AQI
27th August 2025
50AQI
28th August 2025
48AQI
29th August 2025
44AQI
30th August 2025
51AQI
31st August 2025
59AQI
1st September 2025
53AQI
2nd September 2025
43AQI
3rd September 2025
50AQI
4th September 2025
44AQI
5th September 2025
51AQI
6th September 2025
40AQI
7th September 2025
32AQI
8th September 2025
33AQI
9th September 2025
42AQI
10th September 2025
41AQI
11th September 2025
46AQI
12th September 2025
70AQI
13th September 2025
48AQI
14th September 2025
52AQI
15th September 2025
53AQI
16th September 2025
51AQI
17th September 2025
41AQI
18th September 2025
49AQI
19th September 2025
45AQI
20th September 2025
28AQI
21st September 2025
31AQI
22nd September 2025
33AQI
23rd September 2025
43AQI
24th September 2025
43AQI
25th September 2025
32AQI
26th September 2025
25AQI
27th September 2025
18AQI
28th September 2025
35AQI
29th September 2025
32AQI
30th September 2025
56AQI
1st October 2025
74AQI
2nd October 2025
76AQI
3rd October 2025
59AQI
4th October 2025
48AQI
5th October 2025
54AQI
6th October 2025
59AQI
7th October 2025
76AQI
8th October 2025
59AQI
9th October 2025
59AQI
10th October 2025
55AQI
11th October 2025
54AQI
12th October 2025
63AQI
13th October 2025
61AQI
14th October 2025
53AQI
15th October 2025
58AQI
16th October 2025
67AQI
17th October 2025
66AQI
18th October 2025
59AQI
19th October 2025
57AQI
20th October 2025
59AQI
21st October 2025
52AQI
22nd October 2025
50AQI
23rd October 2025
50AQI
24th October 2025
53AQI
25th October 2025
55AQI
26th October 2025
61AQI
27th October 2025
54AQI
28th October 2025
43AQI
29th October 2025
54AQI
30th October 2025
55AQI
31st October 2025
51AQI
1st November 2025
55AQI
2nd November 2025
48AQI
3rd November 2025
43AQI
4th November 2025
45AQI
5th November 2025
50AQI
6th November 2025
36AQI
7th November 2025
40AQI
8th November 2025
51AQI
9th November 2025
50AQI
10th November 2025
49AQI
11th November 2025
47AQI
12th November 2025
51AQI
13th November 2025
59AQI
14th November 2025
54AQI
15th November 2025
48AQI
16th November 2025
41AQI
17th November 2025
61AQI
18th November 2025
50AQI
19th November 2025
42AQI
20th November 2025
41AQI
21st November 2025
44AQI
22nd November 2025
42AQI
23rd November 2025
37AQI
24th November 2025
35AQI
25th November 2025
37AQI
26th November 2025
42AQI
27th November 2025
46AQI
28th November 2025
41AQI
29th November 2025
33AQI
30th November 2025
48AQI
1st December 2025
49AQI
2nd December 2025
45AQI
3rd December 2025
53AQI
4th December 2025
30AQI
5th December 2025
35AQI
6th December 2025
38AQI
7th December 2025
35AQI
8th December 2025
45AQI
9th December 2025
39AQI
10th December 2025
30AQI
11th December 2025
30AQI
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025

36AQI

43AQI

44AQI

48AQI

57AQI

67AQI

66AQI

52AQI

42AQI

58AQI

46AQI

39AQI

No. of days

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

202551AQI

30
1
26
2
25
6
22
8
6
25
30
2
29
14
17
23
7
4
27
24
6
10
1
186
159

Highest AQI recorded in

June

67AQI

Lowest AQI recorded in

January

36AQI

202437AQI

31
29
25
30
18
12
1
18
11
9
21
25
6
20
10
31
25
5
31
292
65
1

Highest AQI recorded in

July

58AQI

Lowest AQI recorded in

March

20AQI

202340AQI

29
2
12
12
4
28
3
26
4
12
19
16
14
19
12
27
4
29
1
22
3
28
1
31
279
75
4

Highest AQI recorded in

February

62AQI

Lowest AQI recorded in

December

18AQI

202242AQI

30
1
19
2
20
11
20
10
10
21
12
18
13
10
2
25
4
26
5
30
30
1
237
83

Highest AQI recorded in

May

55AQI

Lowest AQI recorded in

November

29AQI

202145AQI

27
3
28
27
4
20
10
13
18
6
24
2
26
3
13
17
1
21
9
25
6
28
2
31
241
119
4

Highest AQI recorded in

July

74AQI

Lowest AQI recorded in

February

30AQI

202043AQI

13
16
5
5
13
13
17
10
21
14
17
23
7
24
7
29
1
31
178
88

Highest AQI recorded in

June

55AQI

Lowest AQI recorded in

March

26AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
51AQI
Least Polluted Year Recorded
2024(Avg.)
37AQI

La Serena's annual 2025 AQI (51) shows an average percentage change of 22.5% (worsened AQI) compared to previous years: 2020 (43), 2021 (45), 2022 (42), 2023 (40), 2024 (37).