What is the air quality trend in Ñuñoa?

Over the past 8 days, Ñuñoa had an average AQI of 125 based on station measurements. The worst day was 2026-05-24 with AQI 168.

How is Ñuñoa air quality measured?

Air quality in Ñuñoa 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 Ñuñoa, Chile

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

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

112

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 81 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-30	137	94–158	53.8 µg/m³	0.5	8h	84
2026-05-29	124	96–154	45.1 µg/m³	0.7	24h	84
2026-05-28	118	90–147	42.4 µg/m³	0.6	24h	84
2026-05-27	105	79–151	37.0 µg/m³	0.4	24h	85
2026-05-26	67	44–136	19.8 µg/m³	0.1	24h	82
2026-05-25	120	69–174	50.2 µg/m³	0.4	24h	82
2026-05-24	168	159–177	87.9 µg/m³	1.3	24h	83
2026-05-23	164	157–174	81.4 µg/m³	1.1	16h	85

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