What is the air quality trend in San Carlos?

Over the past 15 days, San Carlos had an average AQI of 59 based on station measurements. The worst day was 2026-05-27 with AQI 87.

How is San Carlos air quality measured?

Air quality in San Carlos is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for San Carlos, Chile

Name: San Carlos Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near San Carlos, Chile.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

325h

PM2.5 Station

325h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	73	23–270	33.4 µg/m³	11h	3
2026-06-08	52	9–167	16.9 µg/m³	24h	3
2026-06-07	56	11–157	17.2 µg/m³	23h	4
2026-06-06	57	17–119	16.8 µg/m³	23h	4
2026-06-05	60	15–261	23.3 µg/m³	24h	4
2026-06-04	65	8–192	24.2 µg/m³	23h	4
2026-06-03	68	25–141	21.3 µg/m³	24h	3
2026-06-02	50	13–95	13.8 µg/m³	24h	4
2026-06-01	46	13–89	12.6 µg/m³	24h	3
2026-05-31	44	18–108	12.6 µg/m³	23h	3
2026-05-30	48	17–102	13.0 µg/m³	24h	4
2026-05-29	62	11–127	19.3 µg/m³	23h	3
2026-05-28	60	17–155	18.3 µg/m³	22h	4
2026-05-27	87	32–267	33.5 µg/m³	23h	5
2026-05-26	66	33–110	19.9 µg/m³	10h	5

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