What is the air quality trend in São Miguel?

Over the past 8 days, São Miguel had an average AQI of 76 based on station measurements. The worst day was 2026-06-09 with AQI 95.

How is São Miguel air quality measured?

Air quality in São Miguel 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 Miguel, Brazil

Name: São Miguel 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 Miguel, Brazil.

116

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-06-09	95	67–155	33.0 µg/m³	50.3	12h	23
2026-06-08	83	29–153	27.0 µg/m³	33.5	24h	28
2026-06-07	74	53–108	23.0 µg/m³	42.3	24h	27
2026-06-06	76	43–152	24.0 µg/m³	23.6	24h	28
2026-06-05	71	42–139	21.7 µg/m³	5.8	24h	28
2026-06-04	72	31–150	22.3 µg/m³	10.0	24h	25
2026-06-03	76	31–164	24.9 µg/m³	11.3	24h	27
2026-06-02	66	38–74	19.3 µg/m³	13.8	11h	31

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