What is the air quality trend in Rengo?

Over the past 21 days, Rengo had an average AQI of 65 based on station measurements. The worst day was 2026-05-30 with AQI 92.

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.

114

Current AQI
Unhealthy for sensitive groups CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

259h

PM2.5 Station

259h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	66	7–169	23.8 µg/m³	12h	1
2026-06-08	70	9–166	25.2 µg/m³	14h	1
2026-06-07	74	17–175	26.8 µg/m³	16h	1
2026-06-06	34	9–60	8.3 µg/m³	12h	1
2026-06-05	64	11–146	20.0 µg/m³	16h	1
2026-06-04	43	2–151	12.6 µg/m³	17h	1
2026-06-03	49	1–122	14.0 µg/m³	18h	1
2026-06-02	45	4–93	12.4 µg/m³	14h	1
2026-06-01	43	15–80	11.6 µg/m³	10h	1
2026-05-31	55	12–109	17.8 µg/m³	8h	1
2026-05-30	92	16–352	49.8 µg/m³	10h	1
2026-05-29	84	20–198	34.1 µg/m³	13h	1
2026-05-28	79	11–151	26.6 µg/m³	6h	2
2026-05-27	70	8–164	25.1 µg/m³	11h	1
2026-05-26	61	3–153	18.5 µg/m³	12h	1
2026-05-25	88	13–398	45.2 µg/m³	14h	1
2026-05-24	53	8–144	16.7 µg/m³	13h	1
2026-05-23	83	22–170	29.6 µg/m³	13h	1
2026-05-22	64	5–167	22.8 µg/m³	13h	1
2026-05-21	88	7–176	32.8 µg/m³	14h	1
2026-05-20	60	24–119	19.2 µg/m³	3h	1

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