What is the air quality trend in Cesson-Sévigné?

Over the past 8 days, Cesson-Sévigné had an average AQI of 41 based on station measurements. The worst day was 2026-08-01 with AQI 48.

How is Cesson-Sévigné air quality measured?

Air quality in Cesson-Sévigné 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 Cesson-Sévigné, France

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

Historical PM2.5 and AQI trend from monitoring stations near Cesson-Sévigné, France.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

141h

PM2.5 Station

141h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	23	13–37	5.4 µg/m³	7h	2
2026-08-07	44	17–174	14.8 µg/m³	14h	2
2026-08-06	32	19–80	8.1 µg/m³	21h	3
2026-08-05	47	16–337	20.9 µg/m³	23h	4
2026-08-04	46	15–62	11.6 µg/m³	21h	3
2026-08-03	48	26–85	12.6 µg/m³	20h	2
2026-08-02	40	15–90	10.5 µg/m³	21h	2
2026-08-01	48	30–79	12.2 µg/m³	14h	2

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