What is the air quality trend in Vargem Grande do Sul?

Over the past 3 days, Vargem Grande do Sul had an average AQI of 7 based on station measurements. The worst day was 2026-07-21 with AQI 8.

How is Vargem Grande do Sul air quality measured?

Air quality in Vargem Grande do Sul 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 Vargem Grande do Sul, Brazil

Name: Vargem Grande do Sul Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Vargem Grande do Sul, Brazil.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

47h

PM2.5 Station

47h · 1 station

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-22	8	8–9	2.0 µg/m³	5.0	2h	1
2026-07-21	8	3–51	2.0 µg/m³	4.3	24h	1
2026-07-20	6	2–11	1.3 µg/m³	2.6	21h	1

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