What is the air quality trend in Cubatão?

Over the past 8 days, Cubatão had an average AQI of 76 based on station measurements. The worst day was 2026-06-09 with AQI 90.

How is Cubatão air quality measured?

Air quality in Cubatão 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 Cubatão, Brazil

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

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

103

Current AQI
Unhealthy for sensitive groups 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	90	66–144	30.1 µg/m³	50.8	11h	19
2026-06-08	84	34–157	27.8 µg/m³	33.5	24h	25
2026-06-07	74	51–116	23.2 µg/m³	42.3	24h	24
2026-06-06	77	49–153	24.4 µg/m³	23.6	24h	24
2026-06-05	73	51–129	22.1 µg/m³	5.8	24h	24
2026-06-04	72	29–117	22.4 µg/m³	10.0	24h	21
2026-06-03	73	31–165	23.6 µg/m³	11.3	24h	23
2026-06-02	70	40–110	21.6 µg/m³	14.3	13h	26

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