What is the air quality trend in Vilar de Andorinho?

Over the past 13 days, Vilar de Andorinho had an average AQI of 31 based on station measurements. The worst day was 2026-05-30 with AQI 51.

How is Vilar de Andorinho air quality measured?

Air quality in Vilar de Andorinho 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 Vilar de Andorinho, Portugal

Name: Vilar de Andorinho Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Vilar de Andorinho, Portugal.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

280h

PM2.5 Station

280h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-30	51	11–61	13.4 µg/m³	23.7	20h	1
2026-05-29	48	30–61	11.9 µg/m³	20.4	24h	1
2026-05-28	38	19–58	9.3 µg/m³	15.0	24h	1
2026-05-27	46	21–61	11.5 µg/m³	17.9	24h	1
2026-05-26	34	11–58	8.2 µg/m³	11.9	24h	1
2026-05-25	39	11–69	10.1 µg/m³	16.6	24h	1
2026-05-24	35	12–59	8.5 µg/m³	13.5	23h	1
2026-05-23	29	9–59	7.1 µg/m³	10.8	24h	1
2026-05-22	28	6–49	6.6 µg/m³	8.7	22h	1
2026-05-21	27	3–57	6.6 µg/m³	9.7	21h	1
2026-05-20	16	3–46	3.8 µg/m³	4.6	21h	1
2026-05-19	7	1–42	1.7 µg/m³	2.0	18h	1
2026-05-18	6	1–13	1.2 µg/m³	0.7	11h	1

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