24 Hour Mean Pollution Levels Mean pollution levels measured across Gibraltar in the latest 24 hours:     Site Ozone µg/m³ Nitrogen Dioxide µg/m³ Sulphur Dioxide µg/m³ Carbon Monoxide mg/m³ Benzene µg/m³ PM10 Particles µg/m³ Updated Rosia Road  n/m 67 (1 Low) 77 (1 Low) 1.5 (1 Low) 4.23 Offline 07/09/2010 24:00 Withams Road  n/m 101 (2 Low) n/m n/m n/m n/m 07/09/2010 24:00 Bleak House  90 (3 Low) 40 (1 Low) n/m n/m n/m n/m 07/09/2010 24:00   Note: Values are based on provisional data and are GMT+1 hour ending  Automatic PM10 measurements are provided for public information purposes and are indicative concentrations only. For EU  compliance purposes PM10 measurment data from the Gibraltar non automatic daily particle monitoring are reported.     Key:  n/m not measured  Offline - Temporarily offline and under investigation. The service will be restored as soon as possible.  Routine Service - Temporarily offline as a result of routine equipment maintenance and quality assurance checks. The service will be restored as soon as possible.   Air pollution is measured on a scale of 1 - 10 Index Points which are grouped into the following Bands: Index 1 2 3 4 5 6 7 8 9 10 Band Low Moderate High Very high For further information about this web site please email: info@gibraltarairquality.gi © Copyright Home | About Air Quality | Data | Links | About This Site This website is prepared and hosted by AEA Energy & Environment, on behalf of the Government of Gibraltar and the Gibraltar Environmental Agency