core/homeassistant/components/airnow/translations/en.json

{
    "config": {
        "abort": {
            "already_configured": "Device is already configured"
        },
        "error": {
            "cannot_connect": "Failed to connect",
            "invalid_auth": "Invalid authentication",
            "invalid_location": "No results found for that location",
            "unknown": "Unexpected error"
        },
        "step": {
            "user": {
                "data": {
                    "api_key": "API Key",
                    "latitude": "Latitude",
                    "longitude": "Longitude",
                    "radius": "Station Radius (miles; optional)"
                },
                "description": "To generate API key go to https://docs.airnowapi.org/account/request/"
            }
        }
    }
}