According to the Hungarian National Institute of Environmental Health (NIEH), dust pollution is high in nine Hungarian cities.
Air quality index shows that the quality of air has reached the unhealthy level in Debrecen, Miskolc, Salgótraján, Székesfehérvár, Szolnok, Putnok, Kazincbarcika, Sajószentpéter and Nyíregyháza.
Source: mti.hu