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On Earth Day, let’s not forget about air – the invisible world around us
22. 04. 2026
Awareness
On the occasion of Earth Day, public attention naturally focuses on protecting nature. Alongside visible components of the environment such as water, soil, and forests, air often remains in the background. Yet it is the most significant environmental factor affecting human health.
Air quality changes depending on natural conditions as well as human activity. Although we often refer to it as an “invisible killer,” pollution can also be perceived through our senses - both visually and by smell. For example, reduced visibility or the presence of odors may signal increased concentrations of harmful substances. These include mainly particulate matter, nitrogen oxides, sulfur dioxide, and benzo(a)pyrene.
In Slovakia, air quality has long been influenced by several sources. Local household heating plays a major role, especially during winter, when emissions from burning solid fuels increase. Other contributing factors include road transport, industrial production, and agricultural activities. Their combined effect is particularly evident in enclosed basins and urbanized areas, where dispersion conditions are limited.
Long-term exposure to elevated concentrations of pollutants is associated with a higher incidence of respiratory and cardiovascular diseases, as well as negative effects on the immune system. In addition, air pollution has significant environmental consequences, including soil acidification, damage to vegetation, and contributions to climate change.
From an air quality management perspective, a combination of systemic measures and individual behavior is key. Legislative tools, technological modernization, and support for low-emission solutions form an essential framework. Equally important, however, is public awareness and the willingness to change everyday habits that impact air quality.
What can we do to improve air quality?
- If we use solid fuel for heating, choose high-quality firewood (ideally dried for 1–2 years), briquettes, or pellets. Avoid burning wet wood or waste (old furniture, plastics, textiles, newspapers).
- Heat efficiently - address your home’s energy demand first, and consider insulation or replacing windows and doors.
- Handle garden waste properly: compost it, chip it, or take it to a collection yard. Do not burn it.
- Prefer active, public, and shared transport - walking, cycling, public transit - and reduce the use of private cars.
- Support local producers and craftsmen, and pay attention to the origin of products.
Earth Day is a good reminder that protecting air quality is an investment in our health and quality of life.
