What is the air quality trend in Annecy-le-Vieux?

Over the past 4 days, Annecy-le-Vieux had an average AQI of 40 based on station measurements. The worst day was 2026-07-21 with AQI 48.

How is Annecy-le-Vieux air quality measured?

Air quality in Annecy-le-Vieux 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 Annecy-le-Vieux, France

Name: Annecy-le-Vieux Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Annecy-le-Vieux, France.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

PM2.5 Station

6h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	39	39–39	9.4 µg/m³	1h	1
2026-07-21	48	46–50	11.5 µg/m³	2h	2
2026-07-20	40	40–41	9.7 µg/m³	2h	2
2026-07-17	34	34–34	8.2 µg/m³	1h	2

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