What is the air quality trend in Guaianases?

Over the past 3 days, Guaianases had an average AQI of 65 based on station measurements. The worst day was 2026-05-30 with AQI 77.

How is Guaianases air quality measured?

Air quality in Guaianases 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 Guaianases, Brazil

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

48h

PM2.5 Station

48h · 3 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-30	77	45–160	25.2 µg/m³	20.1	15h	30
2026-05-29	65	30–139	19.1 µg/m³	14.8	24h	29
2026-05-28	55	45–68	14.3 µg/m³	8.4	9h	31

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