Overnight rain affected various areas in Delhi-NCR, leading to a drop in temperatures and improved air quality. The city's Air Quality Index fell to the 'moderate' category after being 'poor' for two days. Visuals captured from places like Hazrat Nizamuddin railway station showed rain-soaked roads. Steady showers were reported in the Jamia Millia Islamia area late on Thursday. Dark clouds covered the city, indicating significant rainfall.