questionText: To ask the Secretary of State for Environment, Food and Rural Affairs, pursuant to the Answer of 15 October 2024 to Question 7788 on Air Pollution, what guidance his Department provides on safe limits of NOx.
answerText: The Air Quality Standards Regulations (2010) set a limit of 40µg/m³ for the annual average concentration of NO₂ (a component of NOx). This threshold, determined with consideration of pertinent health guidelines, aims to safeguard human health. NOx is exte...
heading: Nitrogen Oxides: Pollution Control