New Delhi, March 6 -- Strong, cold winds swept through Delhi on Wednesday, giving the city its cleanest air since September and lowering temperatures. The air quality index (AQI) stood at 119-Delhi's best since a "satisfactory" AQI of 76 on September 29, 2024, per the Central Pollution Control Board (CPCB). The AQI was 148 on Tuesday, 156 on Monday, and 125 on Sunday. Noida recorded an AQI of 98, Greater Noida 149, and Gurugram 145....