WHO sets new guidelines for air pollutionBMJ 1995; 311 doi: https://doi.org/10.1136/bmj.311.7015.1246a (Published 11 November 1995) Cite this as: BMJ 1995;311:1246
- DOUGLAS CARNALL
No safe level exists for particulate air pollution, says a draft report from the World Health Organisation, and governments will be forced to make a political judgment between the level of asthma exacerbations and deaths and the economic, social, and political costs of restricting polluting activities. The new guidelines also recommend halving the current recommended limits of nitrogen dioxide from 210 parts per billion to 110 parts per billion.
Particulate air pollution is the term used to describe particles of less than 10 µm in diameter; these can …