What is the air quality trend in Alumínio?

Over the past 8 days, Alumínio had an average AQI of 91 based on station measurements. The worst day was 2026-05-23 with AQI 113.

How is Alumínio air quality measured?

Air quality in Alumínio 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 Alumínio, Brazil

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

Historical PM2.5 and AQI trend from monitoring stations near Alumínio, Brazil.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

158h

PM2.5 Station

158h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	65	15–152	19.9 µg/m³	18h	3
2026-05-29	70	23–172	23.5 µg/m³	21h	4
2026-05-28	74	18–209	27.8 µg/m³	22h	3
2026-05-27	93	15–182	34.3 µg/m³	23h	4
2026-05-26	100	31–167	37.0 µg/m³	23h	3
2026-05-25	106	30–202	45.7 µg/m³	24h	4
2026-05-24	111	52–290	46.0 µg/m³	24h	4
2026-05-23	113	57–144	39.7 µg/m³	3h	3

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