Extremely high levels of suspended particles in the air in many Polish regions

In recent days, in many regions of Poland the levels of suspended particles in the air were extremely high. The worst levels were in the southern and central regions of the country. The worst air quality was registered in Nowy Sącz, Żywiec, Rybnik and Łódź. Kraków has also been suffering for several weeks. Experts from the Polish Smog Alarm filled us in on the details.