What is the air quality trend in Guaianases?

Over the past 8 days, Guaianases had an average AQI of 59 based on station measurements. The worst day was 2026-06-09 with AQI 74.

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

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	74	40–135	23.2 µg/m³	51.1	7h	23
2026-06-08	58	28–93	16.7 µg/m³	33.5	24h	26
2026-06-07	58	38–99	16.0 µg/m³	42.3	24h	23
2026-06-06	69	36–162	22.0 µg/m³	23.6	24h	22
2026-06-05	53	23–133	14.6 µg/m³	5.8	24h	21
2026-06-04	58	34–117	16.2 µg/m³	10.0	24h	22
2026-06-03	55	28–139	15.8 µg/m³	11.3	24h	23
2026-06-02	54	26–88	15.0 µg/m³	13.9	17h	25

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