What is the air quality trend in Guapiaçu?

Over the past 8 days, Guapiaçu had an average AQI of 51 based on station measurements. The worst day was 2026-08-08 with AQI 85.

How is Guapiaçu air quality measured?

Air quality in Guapiaçu 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 Guapiaçu, Brazil

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

143h

PM2.5 Station

143h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	85	85–85	28.3 µg/m³	1h	2
2026-08-07	49	12–131	13.6 µg/m³	17h	2
2026-08-06	42	12–81	10.7 µg/m³	23h	2
2026-08-05	43	16–97	11.0 µg/m³	22h	2
2026-08-04	44	9–93	11.5 µg/m³	21h	2
2026-08-03	51	23–99	13.9 µg/m³	23h	2
2026-08-02	44	3–99	11.8 µg/m³	18h	2
2026-08-01	51	13–103	14.5 µg/m³	18h	2

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