The EMEP programme consists on three main elements: (1) collection of emission data, (2) measurements of air and precipitation quality and (3) modelling of atmospheric transport and deposition of air [..]

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1,3-butadiene, like benzene, is organic compound emitted into the atmosphere principally from fuel combustion of petrol and diesel vehicles. Unlike benzene, however, it is not a constituent of the fue [..]

Total atmospheric deposition of acidity is determined using both wet and dry deposition measurements. Wet deposition is the portion dissolved in cloud droplets and is deposited during rain or other fo [..]

When atmospheric pollutants such as sulphur dioxide and nitrogen oxides mix with water vapour in the air, they are converted to sulphuric and nitric acids. These acids make the rain acidic, hence the [..]

The Air Pollution Information Service uses four bands to describe levels of pollution. The bands are low, moderate, high and very high. Healthy people do not normally notice any effects from air pollu [..]

Air Pollution Bulletins are issued daily for each zone of the UK. The bulletins show current air quality, and a forecast for the next 24 hours, classified into four bands and also into an index.

A numerical index for air pollution from 1 to 10 related to the air quality bands of "low", "moderate", "high" or "very high".

The Air Pollution Information Service provides - free of charge - detailed, easy-to-understand information on air pollution. This information is particularly important to people with medical condition [..]