What is the air quality trend in Hacienda La Calera?

Over the past 8 days, Hacienda La Calera had an average AQI of 83 based on station measurements. The worst day was 2026-05-22 with AQI 140.

How is Hacienda La Calera air quality measured?

Air quality in Hacienda La Calera 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 Hacienda La Calera, Chile

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	63	30–80	18.3 µg/m³	23h	8
2026-05-28	60	38–91	16.9 µg/m³	24h	8
2026-05-27	67	39–93	20.0 µg/m³	24h	9
2026-05-26	85	37–160	28.5 µg/m³	24h	9
2026-05-25	81	48–143	25.9 µg/m³	24h	8
2026-05-24	79	40–142	25.4 µg/m³	24h	9
2026-05-23	89	53–165	31.3 µg/m³	24h	9
2026-05-22	140	140–140	51.4 µg/m³	1h	2

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