Air quality measurements in an underground train station

Description

This data set contains the hourly mean air quality measurements from 01 January 2013 to 31 December 2016 in the Chatelet underground train station in the Paris metro.

Usage

data(air)

Format

A matrix with 35039 rows and 8 columns. Each row corresponds to an hourly measurement. The first column is the date (yyyy-mm-dd), the second is the time (hh:mm), the third is the nitric oxide NO concentration (g/m3), the fourth is the nitrogen dioxide NO2 concentration (g/m3), the fifth is the concentration of particulate matter less than 10 microns PM10 (ppm), the sixth is the carbon dioxide concentration CO2 (g/m3), the seventh is the temperature (degrees Celsius), the eighth is the relative humidity (percentage).

Source

RATP (2016) Qualite de l'air mesuree dans la station Chatelet, https://data.iledefrance.fr/explore/dataset/qualite-de-lair-mesuree-dans-la-station-chatelet. Regie autonome des transports parisiens - Departement Developpement, Innovation et Territoires. Accessed 2017-09-27.