What is the air quality trend in Marseille 04?

Over the past 3 days, Marseille 04 had an average AQI of 40 based on station measurements. The worst day was with AQI .

How is Marseille 04 air quality measured?

Air quality in Marseille 04 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 04, France

Name: Marseille 04 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 04, France.

Current AQI
Good

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

48h · 11 stations

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-11	34	25–48	8.2 µg/m³	11.9	13h	14
2026-04-10	38	23–60	9.2 µg/m³	14.5	24h	14
2026-04-09	48	22–96	13.3 µg/m³	20.8	11h	13

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