What is the air quality trend in Melipilla?

Over the past 8 days, Melipilla had an average AQI of 83 based on station measurements. The worst day was 2026-08-01 with AQI 121.

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.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

164h

PM2.5 Station

164h · 19 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	44	44–44	10.5 µg/m³	1h	19
2026-08-07	86	25–142	29.1 µg/m³	24h	19
2026-08-06	53	14–107	15.0 µg/m³	24h	20
2026-08-05	119	76–155	43.1 µg/m³	24h	22
2026-08-04	86	69–110	28.6 µg/m³	24h	22
2026-08-03	93	56–137	31.6 µg/m³	23h	21
2026-08-02	66	11–142	21.3 µg/m³	24h	19
2026-08-01	121	94–151	43.8 µg/m³	20h	20

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