What is the air quality trend in Vilar?

Over the past 14 days, Vilar had an average AQI of 48 based on station measurements. The worst day was 2026-05-26 with AQI 74.

How is Vilar air quality measured?

Air quality in Vilar 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, Portugal

Name: Vilar 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, Portugal.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

276h

PM2.5 Station

276h · 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	62	38–84	17.9 µg/m³	19.7	18h	1
2026-05-29	58	28–83	16.5 µg/m³	17.8	24h	1
2026-05-28	59	23–90	17.2 µg/m³	18.0	24h	1
2026-05-27	70	20–97	22.2 µg/m³	23.2	24h	1
2026-05-26	74	46–117	23.0 µg/m³	25.0	24h	1
2026-05-25	69	13–109	22.2 µg/m³	24.6	24h	1
2026-05-24	68	32–90	20.6 µg/m³	22.4	24h	1
2026-05-23	48	23–83	12.5 µg/m³	13.5	24h	1
2026-05-22	57	5–95	17.1 µg/m³	18.0	20h	1
2026-05-21	47	2–78	13.6 µg/m³	14.4	23h	1
2026-05-20	39	12–93	10.1 µg/m³	11.2	24h	1
2026-05-19	10	3–22	2.5 µg/m³	2.9	10h	1
2026-05-18	10	4–19	2.5 µg/m³	3.0	6h	1
2026-05-17	11	2–33	2.7 µg/m³	3.7	7h	1

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