What is the air quality trend in Melipilla?

Over the past 8 days, Melipilla had an average AQI of 151 based on station measurements. The worst day was 2026-06-07 with AQI 159.

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.

109

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	155	103–177	74.2 µg/m³	21h	22
2026-06-07	159	98–183	78.8 µg/m³	24h	23
2026-06-06	156	148–164	65.0 µg/m³	24h	22
2026-06-05	144	98–163	55.3 µg/m³	24h	22
2026-06-04	139	79–167	56.6 µg/m³	24h	23
2026-06-03	145	105–159	56.6 µg/m³	24h	23
2026-06-02	158	115–182	75.1 µg/m³	24h	23
2026-06-01	153	149–158	61.0 µg/m³	3h	23

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