What is the air quality trend in Melipilla?

Over the past 8 days, Melipilla had an average AQI of 153 based on station measurements. The worst day was 2026-06-02 with AQI 161.

How is Melipilla air quality measured?

Air quality in Melipilla 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 Melipilla, Chile

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

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

142

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 18 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-08	160	122–174	78.7 µg/m³	20h	21
2026-06-07	161	101–181	80.4 µg/m³	24h	22
2026-06-06	157	152–165	66.4 µg/m³	24h	22
2026-06-05	145	97–163	56.0 µg/m³	24h	22
2026-06-04	140	79–165	57.0 µg/m³	24h	22
2026-06-03	147	105–160	58.5 µg/m³	24h	22
2026-06-02	161	127–187	77.7 µg/m³	24h	22
2026-06-01	155	151–160	63.1 µg/m³	4h	22

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