questionText: To ask the Secretary of State for Environment, Food and Rural Affairs, when he expects all areas of the UK to comply with the nitrogen dioxide annual mean limit.
answerText: Defra uses a combination of national-scale modelling and on the ground monitoring to assess nitrogen dioxide (NO2) concentrations in England each year. Evidence shows that NO2 concentrations have reduced substantially in recent years, however a reporting ...
heading: Nitrogen Dioxide: Pollution Control