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Moscow Fog Prompts Air-Quality Alert as Siberia Plunges Into Deep Night Frosts

Officials expect stagnant night air to trap pollutants over the capital region.

Overview

  • Hydrometcentre says a yellow level warning takes effect from 21:00 on October 8 in Moscow and the region due to strong overnight fog and poor dispersion of impurities.
  • Visibility in parts of the capital is forecast to drop to roughly 200–700 meters through 09:00 Wednesday, with light rain and weak winds expected.
  • Earlier this week fog curtailed operations at Moscow airports, with Vnukovo partially closed and visibility at Domodedovo reduced to about 300–400 meters.
  • In central Russia, Urals and many Volga districts are set to stay relatively warm and mostly dry, reaching around +15 to +22°C in places, as several areas maintain elevated landscape and forest fire danger.
  • Hydrometcentre head Roman Vilfand reports a sharp nighttime cold spell across Siberia and the Far East, with lows from about −4°C to −23°C in parts of Yakutia and temperatures 6–8°C below normal in several regions.