Name:

Description:

This dataset contains daily means (from midnight to midnight) of NOx, i.e., mono-nitrogen oxides, in [ppb] at 13 sites in central Switzerland and Aarau for the year 2004.

Variables:

A data frame with 239 observations on the following 15 variables.

date

date of day, of class "Date".

ad

Site is located north of Altdorf 100 meters east of motorway A2, on an open field at the beginning of a more than 2000m deep valley (690.175, 193.55; 438; inLuft)

ba

Site is located in the centre of the little town of Baden in a residential area. Baden has 34'000 inhabitants and is situated on the swiss plateau (666.075, 257.972; 377; inLuft).

ef

Site is located 6 km south of altdorf and 800 m north of the village of Erstfeld. The motorway A2 passes 5 m west of the measuring site. Over 8 million vehicles have passed Erstfeld in 2004 where 13% of the counts were attributed to trucks (691.43, 187.69; 457; MFM-U).

la

Site is located on a wooded hill in a rural area called Laegern, about 190 m above Baden, which is about 5 km away (669.8, 259; 690; NABEL).

lu

Site is located in the center of town of Lucerne, which has 57'000 inhabitants (666.19, 211.975; 460; inLuft).

re

Site is located 1 km west of Reiden on the Swiss plateau. The motorway A2 passes 5 m west of the measuring site (639.56, 232.11; 462; MFM-U).

ri

Site is located at Rigi Seebodenalp, 649 m above the lake of Lucerne on an alp with half a dozen small houses (677.9, 213.5; 1030; NABEL).

se

Site is located in Sedel next to town of Lucerne 35m above and 250m south of motorway A14 from Zug to Lucerne on a low hill with free 360° panorama (665.5, 213.41; 484; inLuft).

si

Site is located at the border of a small industrial area in Sisseln, 300 m east of a main road (640.725, 266.25; 305; inLuft).

st

Site is located at the south east border of Stans with 7'000 inhabitants (670.85, 201.025; 438; inLuft).

su

Site is located in the center of Suhr (8700 inhabitants), 10 m from the main road (648.49, 246.985; 403; inLuft).

sz

Site is located in Schwyz (14'200 inhabitants) near a shopping center (691.92, 208.03; 470; inLuft).

zg

Site is located in the centre of Zug with 22'000 inhabitants, 24 m from the main road (681.625, 224.625; 420; inLuft).

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References/Notes/Attributions:

Source

http://www.in-luft.ch/
http://www.empa.ch/plugin/template/empa/*/6794
http://www.bafu.admin.ch/umweltbeobachtung/02272/02280

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