What is the air quality trend in Limache?

Over the past 8 days, Limache had an average AQI of 70 based on station measurements. The worst day was 2026-07-19 with AQI 85.

How is Limache air quality measured?

Air quality in Limache 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 Limache, Chile

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 6 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-22	78	62–92	25.0 µg/m³	29.8	5h	14
2026-07-21	63	23–93	18.2 µg/m³	13.9	24h	13
2026-07-20	73	35–155	23.0 µg/m³	22.9	24h	12
2026-07-19	85	53–127	28.1 µg/m³	55.3	24h	13
2026-07-18	50	17–108	14.4 µg/m³	25.9	24h	11
2026-07-17	61	21–111	17.8 µg/m³	18.0	24h	11
2026-07-16	73	36–160	23.1 µg/m³	26.4	24h	13
2026-07-15	83	39–134	27.2 µg/m³	37.1	19h	12

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