What is the air quality trend in Alumínio?

Over the past 8 days, Alumínio had an average AQI of 49 based on station measurements. The worst day was 2026-07-16 with AQI 74.

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

159h

PM2.5 Station

159h · 5 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	43	19–71	11.0 µg/m³	21h	4
2026-07-20	42	20–73	10.7 µg/m³	22h	3
2026-07-19	47	2–119	12.2 µg/m³	23h	4
2026-07-18	54	17–120	15.2 µg/m³	23h	3
2026-07-17	60	30–170	19.4 µg/m³	24h	3
2026-07-16	74	18–180	26.7 µg/m³	22h	3
2026-07-15	54	19–137	15.9 µg/m³	23h	3
2026-07-14	19	19–19	4.6 µg/m³	1h	3

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