Discordance between one-hour and annual limits of the World Health Organization Air Quality Guideline (WHOAQG) for NO2

摘要

BACKGROUND AND AIMS: It is important to ensure the short-term and annual AQG are valid and robust to provide support to setting standards which, if enforced, will reliably ensure that exposure reduction targets are met effectively for health protection. METHODS: We developed a lognormal distribution model to examine the relationship between short-term and annual AQG for NO2 using data in 2010 in Hong Kong and London. This model …