What is the air quality trend in Guarujá?

Over the past 8 days, Guarujá had an average AQI of 72 based on station measurements. The worst day was 2026-06-09 with AQI 87.

How is Guarujá air quality measured?

Air quality in Guarujá 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 Guarujá, Brazil

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

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

112

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

169h

PM2.5 Station

169h · 2 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	87	52–146	28.6 µg/m³	42.2	15h	11
2026-06-08	70	56–121	21.1 µg/m³	31.3	24h	11
2026-06-07	76	42–154	24.0 µg/m³	37.0	24h	11
2026-06-06	66	37–119	19.7 µg/m³	19.9	24h	11
2026-06-05	64	40–114	18.2 µg/m³	4.4	24h	11
2026-06-04	67	30–114	20.0 µg/m³	8.3	24h	11
2026-06-03	72	33–154	22.5 µg/m³	8.8	24h	12
2026-06-02	74	44–138	22.8 µg/m³	12.0	10h	12

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