core/homeassistant/components/airvisual/translations/sensor.fr.json

{
    "state": {
        "airvisual__pollutant_label": {
            "co": "Monoxyde de carbone"
        },
        "airvisual__pollutant_level": {
            "good": "Bon",
            "hazardous": "Hasardeux"
        }
    }
}