What is the air quality trend in Rengo?

Over the past 15 days, Rengo had an average AQI of 42 based on station measurements. The worst day was 2026-08-24 with AQI 63.

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 Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

236h

PM2.5 Station

236h · 4 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	39	15–76	10.2 µg/m³	8h	2
2026-09-04	38	18–65	9.5 µg/m³	15h	2
2026-09-03	32	18–49	7.6 µg/m³	19h	2
2026-09-02	34	5–71	8.6 µg/m³	17h	2
2026-09-01	53	6–106	15.4 µg/m³	19h	2
2026-08-31	52	10–156	16.1 µg/m³	17h	2
2026-08-30	36	10–72	9.4 µg/m³	12h	2
2026-08-29	37	13–63	9.4 µg/m³	15h	2
2026-08-28	26	7–46	6.3 µg/m³	14h	2
2026-08-27	41	13–68	10.6 µg/m³	15h	2
2026-08-26	35	5–70	8.6 µg/m³	20h	2
2026-08-25	41	9–117	11.5 µg/m³	16h	2
2026-08-24	63	16–168	21.5 µg/m³	19h	2
2026-08-23	62	23–133	18.3 µg/m³	20h	2
2026-08-22	53	30–75	14.5 µg/m³	10h	2

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