In 2021, the levels of benzo(a)pyrene at all urban monitoring sites reached the target value. Annual trends of benzo(a)pyrene levels show that the highest levels are measured during the heating season. In summer, levels are significantly lower at all locations.

Air pollution with PM₁₀ was the lowest in 2021 since we have been carrying out measurements. For the first time, at no monitoring site did the sum of exceeding the daily limit value for PM₁₀ (50 µg/m³) exceed the number of 35, which is allowed for the whole year. Even the annual limit value for PM₁₀ in 2021 was not exceeded at any monitoring site.

Between 1980 and 2021, extreme events related to climate change in EU-27 resulted in an economic loss of EUR 560 billion, of which EUR 56.6 billion from 2021. Climate extremes are becoming more common. Without further action, even greater economic damage is expected in the future. This trend is also noticeable in Slovenia. The difference between the period 1980-2015 and 1980-2021 is as much as € 2,38 billion. In comparison to the previous period 1980-2020, the difference is € 1,01 billion.

The analysis of results of the Energy Efficiency Survey of Slovenia for the public and service sector (REUS JSS 2020) indicates that less than a tenth of organisations from the public sector and less than a fifth of office-based companies from the service sector (e.g. banks, post offices and other administrative and office premises) believe that energy consumption in their business premises is either low or very low.

The rate of defoliation and forest decline in Slovenia was relatively stable until 2020, with a slightly negative trend. After 2020, a deterioration of tree defoliation was observed.