Koo AppWeather Updates: Fog observed (at 05:30 hrs IST of today) in isolated pockets over Punjab & UP; Dense fog in isolated pockets over Delhi(Palam), Bihar & Tripura & Moderate fog in isolated pockets over Delhi (Safdarjung), North Uttar Pradesh & West Madhya Pradesh. - Prasar Bharati News Services (@pbns_india) 13 Jan 2022