What is the air quality trend in Arlon?

Over the past 8 days, Arlon had an average AQI of 50 based on station measurements. The worst day was 2026-05-27 with AQI 59.

How is Arlon air quality measured?

Air quality in Arlon 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 Arlon, Belgium

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

Historical PM2.5 and AQI trend from monitoring stations near Arlon, Belgium.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-30	46	38–56	11.4 µg/m³	—	5h	5
2026-05-29	58	22–175	18.7 µg/m³	—	24h	7
2026-05-28	45	28–144	11.9 µg/m³	—	24h	6
2026-05-27	59	20–168	18.3 µg/m³	—	24h	8
2026-05-26	54	24–86	15.0 µg/m³	—	24h	9
2026-05-25	52	23–154	15.3 µg/m³	—	24h	8
2026-05-24	51	28–79	13.7 µg/m³	21.0	24h	10
2026-05-23	42	25–86	11.3 µg/m³	15.4	18h	6

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