What is the air quality trend in Rengo?

Over the past 3 days, Rengo had an average AQI of 66 based on station measurements. The worst day was 2026-06-07 with AQI 75.

How is Rengo air quality measured?

Air quality in Rengo 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 Rengo, Chile

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

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

137

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

28h

PM2.5 Station

28h · 3 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	72	11–139	23.6 µg/m³	4h	2
2026-06-08	52	10–217	22.6 µg/m³	15h	2
2026-06-07	75	17–134	24.3 µg/m³	9h	2

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