What is the air quality trend in Sete Rios?

Over the past 1 days, Sete Rios had an average AQI of 2 based on station measurements. The worst day was 2026-10-20 with AQI 2.

How is Sete Rios air quality measured?

Air quality in Sete Rios 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 Sete Rios, Portugal

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

Historical PM2.5 and AQI trend from monitoring stations near Sete Rios, Portugal.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

PM2.5 Station

5h · 1 station

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-20	2	1–4	0.5 µg/m³	1.0	5h	1

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