What is the air quality trend in Colina?

Over the past 8 days, Colina had an average AQI of 129 based on station measurements. The worst day was 2026-05-24 with AQI 168.

How is Colina air quality measured?

Air quality in Colina 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 Colina, Chile

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

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

131

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 · 25 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	128	128–128	46.4 µg/m³	3.1	1h	25
2026-05-29	132	116–149	47.9 µg/m³	2.3	24h	25
2026-05-28	138	122–153	50.7 µg/m³	2.1	24h	24
2026-05-27	111	81–153	39.4 µg/m³	1.4	24h	24
2026-05-26	81	55–107	26.3 µg/m³	0.6	24h	22
2026-05-25	117	80–162	43.5 µg/m³	1.5	24h	23
2026-05-24	168	158–177	88.8 µg/m³	4.6	24h	24
2026-05-23	163	154–176	79.3 µg/m³	3.9	23h	25

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