What is the air quality trend in Póvoa de Santa Iria?

Over the past 3 days, Póvoa de Santa Iria had an average AQI of 46 based on station measurements. The worst day was 2026-07-20 with AQI 53.

How is Póvoa de Santa Iria air quality measured?

Air quality in Póvoa de Santa Iria 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 Póvoa de Santa Iria, Portugal

Name: Póvoa de Santa Iria Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Póvoa de Santa Iria, Portugal.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

48h

PM2.5 Station

48h · 1 station

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-22	49	33–72	12.7 µg/m³	20.6	9h	3
2026-07-21	37	11–65	9.2 µg/m³	15.4	24h	4
2026-07-20	53	35–81	13.9 µg/m³	21.0	15h	3

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