What is the air quality trend in Santo Antônio da Patrulha?

Over the past 3 days, Santo Antônio da Patrulha had an average AQI of 8 based on station measurements. The worst day was 2026-10-21 with AQI 13.

How is Santo Antônio da Patrulha air quality measured?

Air quality in Santo Antônio da Patrulha 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 Santo Antônio da Patrulha, Brazil

Name: Santo Antônio da Patrulha Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Santo Antônio da Patrulha, Brazil.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

46h

PM2.5 Station

46h · 2 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-22	6	5–6	1.4 µg/m³	3.3	4h	2
2026-10-21	13	3–30	3.1 µg/m³	5.7	24h	2
2026-10-20	5	3–10	1.2 µg/m³	5.2	18h	2

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