According to the Hungarian National Institute of Environmental Health (NIEH), dust pollution has reached the unhealthy level in many Hungarian cities.
Air quality index shows that the quality of air has reached the unhealthy level in Putnok, Kazincbarcika, Miskolc, Sajószentpéter and Salgótarján.
The air quality is critical in Eger, Oszlár, Nyíregyháza and Szolnok.
Source: debreceninap.hu