What is the air quality trend in Rio Grande da Serra?

Over the past 8 days, Rio Grande da Serra had an average AQI of 50 based on station measurements. The worst day was 2026-08-04 with AQI 56.

How is Rio Grande da Serra air quality measured?

Air quality in Rio Grande da Serra 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 Rio Grande da Serra, Brazil

Name: Rio Grande da Serra Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Rio Grande da Serra, Brazil.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 22 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-08-08	47	39–60	11.6 µg/m³	13.5	7h	28
2026-08-07	42	24–62	10.3 µg/m³	9.1	24h	27
2026-08-06	43	31–97	10.7 µg/m³	13.1	24h	44
2026-08-05	50	35–80	12.8 µg/m³	29.0	24h	43
2026-08-04	56	40–74	15.1 µg/m³	40.0	24h	40
2026-08-03	54	38–110	14.1 µg/m³	30.2	24h	36
2026-08-02	55	39–76	14.4 µg/m³	23.2	24h	38
2026-08-01	54	40–63	14.0 µg/m³	21.2	14h	40

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