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The major threat to clean air is now posed by traffic emissions. Petrol and diesel-engine motor vehicles emit a wide variety of pollutants, principally carbon monoxide (CO), oxides of nitrogen (NOx), volatile organic compounds (VOCs) and particulates (PM10), which have an increasing impact on urban air...
Data set
LBOI Indicator 5.1 - Number of days per year when pollution of moderate of above PM1 Ozone, and average annual nitrogen dioxide concentration
This indicator is in three parts: 1. The number of days per year when air pollution from PM10 is moderate or high. Moderate or high PM10 concentrations are those above 50µg/m3 (the Expert Panel on Air Quality Standards (EPAQS) standard level). 2. The number of days per year when air pollution from ozone...