Concentrations of nitrogen dioxide and total nitrogen oxides in ambient air do not exceed the prescribed limit values. Consequently, they are not harmful for human health and vegetation.

Greenhouse gas emissions from agriculture, mainly methane and nitrous oxide, decreased by 16.3% from 1986 to 2022. The largest declines occurred in pig and cattle production and in fertilizer application to agricultural crops. The rapid decline in emissions was typical of the early years of this period until 2013. From 2013 to 2016, emissions increased. They were steady between 2016 and 2021 and decreased in 2022.

Asthma is the most common chronic disease among children and one of the major causes of hospitalization to the age of fifteen. In 2019, in EU countries, the share of people reporting asthma was 5,7 %, and for Slovenia it was 4,8 %.  In the period 2018-2022, the municipality of Kostel stood out in terms of the number of hospitalizations for asthma. Children admitted to the hospital for asthma in 2023 were mostly 5 to 9 years old.

Heatwaves have a significant impact on public health as they can lead to increased mortality. The most vulnerable groups include elderly individuals and patients with chronic conditions such as cardiovascular diseases, respiratory illnesses, mental disorders, diabetes, and obesity. An analysis of the association between heatwaves and increased or decreased mortality (time series from 2020 to 2022) was conducted based on diagnoses (all causes, cardiovascular diseases), gender, and age group (all age groups and those aged 75 and older).

The level of air pollution with ozone has exceeded the target value for protecting human health in recent years at some urban background monitoring stations (Koper, Nova Gorica Grčna) and at the higher-altitude monitoring station Otlica. The long-term health protection goals have been exceeded at all monitoring stations. The warning value has also been exceeded in recent years only in the Primorska region and at higher altitudes, such as Otlica.