Pollutant

Location

Concentration/m³

Nitric oxide

Workrooms
Restaurants
Bars
Cafeterias

50-440 mg
17-240 mg
80-250 mg
2.5-48 mg

Nitrogen dioxide

Workrooms
Restaurants
Bars
Cafeterias

68-410 mg
40-190 mg
2-116 mg
67-200 mg

Hydrogen cyanide

Living-rooms

8-122 mg

1,3-Butadiene

Bars

2.7-4.5 mg

Benzene

Public places

20-317 mg

Formaldehyde

Living-rooms
Taverns

2.3-5.0 mg
89-104 mg

Acrolein

Public places

30-120 mg

Acetone

Coffee houses

910-1,400 mg

Phenols (volatile)

Coffee houses

7.4-11.5 ng

N-Nitrosodimethylamine

Bars, restaurants, offices

<10-240 ng

N-Nitrosodiethylamine

Restaurants

<10-30 ng

Nicotine

Residences
Offices
Public buildings

0.5-21 mg
1.1-36.6 mg
1.0-22 mg

2-Toluidine

Offices
Cardroom with smokers

3.0-12.8 ng
16.9 ng

b-Naphthylamine

Offices
Cardroom with smokers

0.27-0.34 ng
0.47 ng

4-Aminobiphenyl

 Offices
Cardroom with smokers

0.1 ng
0.11 ng

Benz(a)anthracene

Restaurants

1.8-9.3 ng

Benzo(a)pyrene

Restaurants
Smokers’ rooms
Living-rooms

2.8-760 mg
88-214 mg
10-20 mg

NNN^a

Bars
Restaurants

4.3-22.8 ng
ND^b-5.7 ng

NNK^c

Bars
Restaurants
Cars with smokers

9.6-23.8 ng
1.4-3.3 ng
29.3 ng