We examined the effect of ambient temperature, air pressure and air pollutants on daily emergency admissions by identifying the cause of admission for each type of stroke and cardiovascular disease using generalized linear Poisson regression models allowing for overdispersion, and controlling for seasonal and inter annual variations, days of the week and public holidays, levels of influenza and respiratory syncytial viruses. Every 1 °C decrease in mean temperature was associated with an increase in the daily number of emergency admissions by 7.83% (95%CI 2.06-13.25) for acute coronary syndrome (ACS) and heart failure, by 35.57% (95%CI 15.59-59.02) for intracerebral haemorrhage (ICH) and by 11.71% (95%CI 4.1-19.89) for cerebralinfarction. An increase of emergency admissions due to ICH (3.25% (95%CI 0.94-5.51)), heart failure (3.56% (95%CI 1.09-5.96)) was observed at every 1hPa decrease in air pressure from the previous days. We found stronger detrimental effect of cold on stroke than cardiovascular disease.