What is the air quality trend in São Roque?

Over the past 8 days, São Roque had an average AQI of 76 based on station measurements. The worst day was 2026-05-27 with AQI 86.

How is São Roque air quality measured?

Air quality in São Roque 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 Roque, Brazil

Name: São Roque 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 Roque, Brazil.

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

169h

PM2.5 Station

169h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-30	81	48–120	25.9 µg/m³	20.1	15h	18
2026-05-29	67	33–157	20.4 µg/m³	14.8	24h	18
2026-05-28	57	32–100	15.7 µg/m³	5.2	24h	21
2026-05-27	86	37–174	29.8 µg/m³	25.3	24h	19
2026-05-26	84	54–165	28.4 µg/m³	20.9	24h	20
2026-05-25	82	48–152	26.6 µg/m³	25.5	24h	20
2026-05-24	80	55–139	25.7 µg/m³	29.8	24h	21
2026-05-23	75	58–104	23.2 µg/m³	30.4	10h	23

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