Time to harmonize national ambient air quality standards

Meltem Kutlar Joss (), Marloes Eeftens, Emily Gintowt, Ron Kappeler and Nino Künzli
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Meltem Kutlar Joss: Swiss Tropical and Public Health Institute
Marloes Eeftens: Swiss Tropical and Public Health Institute
Emily Gintowt: Swiss Tropical and Public Health Institute
Ron Kappeler: Swiss Tropical and Public Health Institute
Nino Künzli: Swiss Tropical and Public Health Institute

International Journal of Public Health, 2017, vol. 62, issue 4, No 3, 453-462

Abstract: Abstract Objectives The World Health Organization has developed ambient air quality guidelines at levels considered to be safe or of acceptable risk for human health. These guidelines are meant to support governments in defining national standards. It is unclear how they are followed. Methods We compiled an inventory of ambient air quality standards for 194 countries worldwide for six air pollutants: PM2.5, PM10, ozone, nitrogen dioxide, sulphur dioxide and carbon monoxide. We conducted literature and internet searches and asked country representatives about national ambient air quality standards. Results We found information on 170 countries including 57 countries that did not set any air quality standards. Levels varied greatly by country and by pollutant. Ambient air quality standards for PM2.5, PM10 and SO2 poorly complied with WHO guideline values. The agreement was higher for CO, SO2 (10-min averaging time) and NO2. Conclusions Regulatory differences mirror the differences in air quality and the related burden of disease around the globe. Governments worldwide should adopt science based air quality standards and clean air management plans to continuously improve air quality locally, nationally, and globally.

Keywords: Air quality; Air pollution; Policy; Limit values; Standards; Particulate matter (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (7)

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DOI: 10.1007/s00038-017-0952-y

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