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

Over the past 14 days, Santa Rosa de Osos had an average AQI of 52 based on station measurements. The worst day was 2026-10-20 with AQI 74.

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

333h

PM2.5 Station

333h · 9 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-22	59	18–192	20.8 µg/m³	22h	7
2026-10-21	46	5–94	12.2 µg/m³	24h	18
2026-10-20	74	31–213	26.8 µg/m³	24h	18
2026-10-19	56	28–129	15.9 µg/m³	24h	14
2026-10-18	59	25–122	17.3 µg/m³	24h	16
2026-10-17	54	16–154	15.9 µg/m³	24h	20
2026-10-16	41	20–71	10.4 µg/m³	24h	19
2026-10-15	50	20–161	14.4 µg/m³	24h	23
2026-10-14	49	28–95	13.1 µg/m³	24h	23
2026-10-13	51	24–76	13.7 µg/m³	24h	24
2026-10-12	46	23–89	12.3 µg/m³	24h	25
2026-10-11	47	18–105	12.6 µg/m³	24h	22
2026-10-10	55	32–83	14.7 µg/m³	24h	27
2026-10-09	53	32–91	13.9 µg/m³	23h	30

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