What is the air quality trend in Arujá?

Over the past 8 days, Arujá had an average AQI of 67 based on station measurements. The worst day was 2026-06-09 with AQI 86.

How is Arujá air quality measured?

Air quality in Arujá 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 Arujá, Brazil

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-06-09	86	63–131	28.4 µg/m³	52.0	9h	11
2026-06-08	64	26–115	19.0 µg/m³	33.5	24h	17
2026-06-07	75	37–122	23.7 µg/m³	42.3	24h	16
2026-06-06	73	28–106	23.1 µg/m³	23.6	24h	15
2026-06-05	59	20–139	17.5 µg/m³	5.8	24h	15
2026-06-04	59	20–120	17.2 µg/m³	10.0	24h	14
2026-06-03	68	22–160	21.7 µg/m³	11.3	24h	17
2026-06-02	57	30–84	16.2 µg/m³	14.4	15h	19

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