Air quality will remain poor till Sunday
Smog will continue to cause worsening air quality around the Czech Republic until Sunday, meteorologist have warned. The situation has been getting worse since Monday of this week. Two regions have issued smog warnings, and the average daily concentration of dust particles in the air are two or three times the permitted limit in many places. It should begin to snow heavily on Sunday, which is combination with colder temperatures should help to improve air quality by early next week.