Features of climate change in the European territory of the Union State of Russia and Belarus

The article is devoted to the assessment of changes in the thermal regime the Republic of Belarus and the European territory of Russia. The relevance of the topic is due to the need to study regional climatic changes in the context of modern global warming. As a result of the study, it was revealed that in the region in the period 1900–2019 in all months of the year the air temperature rises at different rates. Warming occurs more intensely during the December – March period. The dependence of the thermal regime on the type of circulation modes has been established. The fire hazard on the territory of Belarus, the dynamics of dangerous meteorological phenomena depending on the navigation period and the distribution of stratospheric ozone as one of the most important climatic factors are considered.