What is the air quality trend in São Miguel do Iguaçu?

Over the past 3 days, São Miguel do Iguaçu had an average AQI of 31 based on station measurements. The worst day was 2026-07-28 with AQI 41.

How is São Miguel do Iguaçu air quality measured?

Air quality in São Miguel do Iguaçu 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 do Iguaçu, Brazil

Name: São Miguel do Iguaçu 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 do Iguaçu, Brazil.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

18h

PM2.5 Station

18h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-28	41	37–45	9.8 µg/m³	10.3	2h	1
2026-07-27	38	15–57	9.6 µg/m³	10.5	7h	1
2026-07-22	15	2–52	2.8 µg/m³	3.4	9h	1

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