What is the air quality trend in Melipilla?

Over the past 8 days, Melipilla had an average AQI of 82 based on station measurements. The worst day was 2026-08-01 with AQI 120.

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 · 20 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	42	40–44	10.1 µg/m³	2h	20
2026-08-07	86	28–139	28.6 µg/m³	24h	19
2026-08-06	52	14–104	14.7 µg/m³	24h	21
2026-08-05	116	73–151	41.3 µg/m³	24h	23
2026-08-04	86	70–111	28.6 µg/m³	24h	22
2026-08-03	92	54–130	31.0 µg/m³	23h	22
2026-08-02	66	11–142	21.2 µg/m³	24h	19
2026-08-01	120	96–146	43.1 µg/m³	19h	20

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