Smog alert declared in Moravian-Silesian Region

A smog alert has been declared in parts of the Moravian-Silesian Region. The worst situation is in Věřňovice in the Karviná area, where more than double the permissible limit for airborne dust particles has been recorded, according to data released by the Czech Hydro-Meteorological Institute. The region has had the worst air quality in the Czech Republic with the problem attributed to industry, transport, household heating and pollutants blown across the border from Poland.