Impact of Passenger Cars on Air Pollution
Opublikowano: 18.09.2026
The impact of passenger cars on air pollution is particularly noticeable in cities, where road traffic is intensive throughout the year. Passenger cars, which dominate the streets, are responsible for a significant share of air pollution, affecting the health of residents and the quality of life in cities. In areas with heavy traffic, such as city centres, passenger cars can account for between 30% and as much as 60% of air pollutant emissions. Pollutants such as carbon dioxide, nitrogen oxides and particulate matter not only deteriorate air quality but also contribute to the formation of smog, which is particularly severe in winter, when additional emissions also come from building heating.
In urban areas, emissions from passenger cars are a major source of photochemical smog, which forms when vehicle exhaust gases react with other substances in the air under the influence of sunlight. Smog is a serious health concern that affects the respiratory system, increasing the risk of asthma, heart disease and respiratory infections. In addition, inhalation of particulate matter and nitrogen oxides has a negative impact on the body’s overall immune system, which is particularly dangerous for children, older people and those suffering from chronic diseases.
How can we reduce the impact of passenger cars on the atmosphere?
Using public transport: Reducing the number of cars on the roads is a simple way to reduce transport emissions and traffic congestion.
Switching to low-emission vehicles: Choosing hybrid, electric or hydrogen-powered vehicles reduces the amount of pollutants generated and helps improve air quality.
Eco-driving: Eco-driving techniques involve smooth acceleration, maintaining a steady speed and avoiding unnecessary stops, which can reduce fuel consumption by up to 20% and, consequently, reduce pollutant emissions.
Introducing low-emission zones in cities: Restricting the movement of vehicles with internal combustion engines in designated areas improves air quality in city centres and reduces the risk of diseases associated with air pollution.