What is the air quality trend in Barranco?

Over the past 8 days, Barranco had an average AQI of 48 based on station measurements. The worst day was 2026-10-21 with AQI 62.

How is Barranco air quality measured?

Air quality in Barranco 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 Barranco, Peru

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

Historical PM2.5 and AQI trend from monitoring stations near Barranco, Peru.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

163h

PM2.5 Station

163h · 10 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-22	61	61–61	17.0 µg/m³	60.2	1h	10
2026-10-21	62	28–180	21.7 µg/m³	61.3	23h	9
2026-10-20	44	17–77	11.0 µg/m³	42.0	24h	8
2026-10-19	48	2–89	13.0 µg/m³	49.5	24h	9
2026-10-18	37	11–94	9.3 µg/m³	43.7	24h	9
2026-10-17	40	13–85	10.0 µg/m³	41.3	23h	9
2026-10-16	46	20–117	12.4 µg/m³	45.4	24h	9
2026-10-15	48	19–135	12.8 µg/m³	60.6	20h	9

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