What is the air quality trend in Marseille 03?

Over the past 3 days, Marseille 03 had an average AQI of 41 based on station measurements. The worst day was with AQI .

How is Marseille 03 air quality measured?

Air quality in Marseille 03 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 Marseille 03, France

Name: Marseille 03 Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Marseille 03, France.

Current AQI
Good

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

48h · 12 stations

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-11	34	25–48	8.1 µg/m³	12.3	15h	14
2026-04-10	38	23–60	9.2 µg/m³	14.5	24h	14
2026-04-09	52	22–96	14.6 µg/m³	23.0	9h	13

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