For the first time internet users can monitor and track ground level ozone all over Europe at the click of a mouse. The European Environment Agency has launched a new website which allows people to enter a place name or simply click on a map of the continent to get an up to date ozone reading for that area. Ozone Web uses data from more than 500 monitoring stations across the continent, each of which sends a reading back to a central computer in Copenhagen once an hour. This data is then used to inform the readings given by the website, meaning they will never be more than an hour out of date. Ground level ozone is one of the most prominent air pollution problems in Europe, presenting environmental risks to human health by damaging the lungs and respiratory system.