What is the air quality trend in Santa Rosa de Osos?

Over the past 8 days, Santa Rosa de Osos had an average AQI of 74 based on station measurements. The worst day was 2026-05-24 with AQI 86.

How is Santa Rosa de Osos air quality measured?

Air quality in Santa Rosa de Osos 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 Santa Rosa de Osos, Colombia

Name: Santa Rosa de Osos Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Santa Rosa de Osos, Colombia.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	71	71–71	21.8 µg/m³	1h	3
2026-05-29	61	30–174	19.1 µg/m³	23h	10
2026-05-28	57	22–88	16.2 µg/m³	24h	11
2026-05-27	81	36–219	29.5 µg/m³	24h	10
2026-05-26	82	45–155	26.8 µg/m³	24h	11
2026-05-25	82	35–143	26.6 µg/m³	24h	12
2026-05-24	86	27–187	32.2 µg/m³	24h	11
2026-05-23	76	17–171	25.8 µg/m³	22h	12

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