https://www.eea.europa.eu/data-and-maps/indicators/exceedance-of-air-quality-limit-1/exceedance-of-air-quality-limit-4 Particulate Matter (PM 10 ) In the period 2001-2010, 18-41 % of the urban population in EU-27 was potentially exposed to ambient concentrations of particulate matter (PM 10 ) in excess of the EU limit value set for the protection of human health (50 microgram/m 3 daily mean not to be exceeded more than 35 days a calendar year); (Figure 1). Nitrogen dioxide (NO 2 ) In the period 2001-2010, 6-27 % of the urban population in EU-27 was potentially exposed to ambient nitrogen dioxide (NO 2 ) concentrations above the EU limit value set for the protection of human health (40 microgram NO 2 /m 3 annual mean). There was a slight downwards trend over the period (Figure 1) Ozone (O 3 ) In the period 2001-2010, 15-61 % of the urban population in EU-27 was exposed to ambient ozone concentrations exceeding the EU target value set for the protection of human health (120 microgram O 3 /m 3 daily maximum 8-hourly average, not to be exceeded more than 25 times a calendar year, averaged over three years and to be achieved where possible by 2010). The 61 % of the urban population exposed to ambient ozone concentrations over the EU target value was recorded in 2003, which was the record year. There was no discernible trend over the period (Figure 1). Sulphur dioxide (SO 2 ) In the period 2001-2010, the fraction of the urban population in EU-27 that is potentially exposed to ambient concentrations of sulphur dioxide in excess of the EU limit value set for the protection of human health (125 microgram SO 2 /m 3 daily mean not to be exceeded more than three days a year), decreased to less than 1 %, and as such the EU limit value set is close to being met everywhere in the urban background (Figure 1). en Plone https://www.eea.europa.eu/eea-print-logo.gif https://www.eea.europa.eu/data-and-maps/indicators/exceedance-of-air-quality-limit-1/exceedance-of-air-quality-limit-4 https://www.eea.europa.eu/data-and-maps/indicators/exceedance-of-air-quality-limit-1/exceedance-of-air-quality-limit-4/what-progress-is-being-made?utm_source=EEASubscriptions&utm_medium=RSSFeeds&utm_campaign=Generic https://www.eea.europa.eu/data-and-maps/indicators/exceedance-of-air-quality-limit-1/exceedance-of-air-quality-limit-4/what-progress-is-being-made?utm_source=EEASubscriptions&utm_medium=RSSFeeds&utm_campaign=Generic Tue, 21 Aug 2012 12:36:58 GMT Carsten Iversen