What is the air quality trend in São Pedro?

Over the past 2 days, São Pedro had an average AQI of 42 based on station measurements. The worst day was 2026-09-04 with AQI 49.

How is São Pedro air quality measured?

Air quality in São Pedro 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 São Pedro, Brazil

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

41h

PM2.5 Station

41h · 5 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	36	13–82	9.0 µg/m³	20h	3
2026-09-04	49	15–140	13.6 µg/m³	21h	3

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