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 2026-05-26 with AQI 93.

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.

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

220h

PM2.5 Station

220h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	91	8–144	30.8 µg/m³	9h	1
2026-06-08	49	4–118	14.2 µg/m³	19h	2
2026-06-07	62	16–158	20.0 µg/m³	17h	2
2026-06-06	66	9–168	23.0 µg/m³	17h	2
2026-06-05	69	10–400	35.3 µg/m³	18h	2
2026-06-04	64	8–157	21.7 µg/m³	15h	1
2026-06-03	71	22–152	22.5 µg/m³	16h	2
2026-06-02	54	5–117	16.2 µg/m³	17h	2
2026-06-01	55	12–175	19.5 µg/m³	14h	1
2026-05-31	40	11–78	10.8 µg/m³	13h	1
2026-05-30	74	16–152	23.8 µg/m³	14h	1
2026-05-29	67	12–178	23.4 µg/m³	16h	2
2026-05-28	66	12–161	22.9 µg/m³	12h	1
2026-05-27	92	5–313	50.3 µg/m³	19h	2
2026-05-26	93	51–184	43.3 µg/m³	4h	1

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