What is the air quality trend in Melipilla?

Over the past 8 days, Melipilla had an average AQI of 149 based on station measurements. The worst day was 2026-05-30 with AQI 168.

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.

102

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

169h

PM2.5 Station

169h · 18 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	168	168–168	88.1 µg/m³	1h	18
2026-05-29	154	133–163	65.5 µg/m³	24h	21
2026-05-28	131	81–158	49.3 µg/m³	24h	22
2026-05-27	136	86–179	53.9 µg/m³	24h	21
2026-05-26	127	57–164	50.3 µg/m³	24h	21
2026-05-25	160	93–222	92.5 µg/m³	24h	21
2026-05-24	167	159–182	86.4 µg/m³	24h	21
2026-05-23	153	99–165	63.7 µg/m³	24h	22

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