What is the air quality trend in Rengo?

Over the past 15 days, Rengo had an average AQI of 67 based on station measurements. The worst day was 2026-06-09 with AQI 102.

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.

139

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

238h

PM2.5 Station

238h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	102	11–149	36.1 µg/m³	7h	2
2026-06-08	61	11–181	21.9 µg/m³	19h	3
2026-06-07	68	11–158	22.4 µg/m³	19h	3
2026-06-06	75	14–187	27.5 µg/m³	17h	3
2026-06-05	72	2–247	35.4 µg/m³	19h	2
2026-06-04	49	5–155	15.5 µg/m³	16h	2
2026-06-03	69	5–155	22.8 µg/m³	20h	3
2026-06-02	57	7–154	17.2 µg/m³	18h	3
2026-06-01	60	4–161	19.7 µg/m³	14h	2
2026-05-31	43	2–116	12.6 µg/m³	13h	2
2026-05-30	56	20–132	16.6 µg/m³	15h	2
2026-05-29	51	17–100	14.2 µg/m³	17h	2
2026-05-28	71	11–250	30.1 µg/m³	15h	2
2026-05-27	91	21–285	39.1 µg/m³	20h	3
2026-05-26	91	34–162	32.3 µg/m³	9h	2

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