What is the air quality trend in La Ligua?

Over the past 3 days, La Ligua had an average AQI of 46 based on station measurements. The worst day was 2026-07-20 with AQI 67.

How is La Ligua air quality measured?

Air quality in La Ligua 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 La Ligua, Chile

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

Historical PM2.5 and AQI trend from monitoring stations near La Ligua, Chile.

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

38h

PM2.5 Station

38h · 3 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	37	33–41	9.0 µg/m³	3h	4
2026-07-21	35	15–62	8.5 µg/m³	20h	3
2026-07-20	67	25–346	32.6 µg/m³	15h	3

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