What is the air quality trend in Quilicura?

Over the past 8 days, Quilicura had an average AQI of 64 based on station measurements. The worst day was 2026-07-19 with AQI 99.

How is Quilicura air quality measured?

Air quality in Quilicura 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 Quilicura, Chile

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 78 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-22	76	66–84	23.9 µg/m³	0.0	3h	78
2026-07-21	66	14–93	20.6 µg/m³	0.1	24h	77
2026-07-20	73	32–122	22.9 µg/m³	0.1	24h	77
2026-07-19	99	62–127	34.2 µg/m³	0.0	24h	74
2026-07-18	29	12–54	6.9 µg/m³	0.0	24h	65
2026-07-17	35	10–63	8.8 µg/m³	0.0	24h	67
2026-07-16	47	10–82	13.0 µg/m³	0.1	24h	75
2026-07-15	90	9–127	31.3 µg/m³	0.1	20h	78

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