IMD issues 'yellow' alert for dense fog in Delhi on Saturday; air quality improves to 'poor'

Delhi faces a 'yellow' alert for dense fog on Saturday morning, with a cold wave expected in isolated areas from January 3-6. Air quality significantly improved to 236 on Friday, leading to the revocation of Stage III GRAP curbs. Temperatures on Friday ranged from 17.4°C maximum to 9.1°C minimum.