Dutch air quality shows little improvement in 2017 In 2017, concentrations of nitrogen dioxide and particulate matter in most parts of the Netherlands were below European limit values.
RIVM measures much higher levels of tar, nicotine and carbon monoxide in cigarettes Tar, nicotine and carbon monoxide (TNCO) levels measured in accordance with the Canadian Intense (CI) method are at least twice as high as the levels measured in accordance with the prescribed ISO