An AQI between zero and 50 is considered good, 51 to 100 satisfactory, 101 to 200 moderate, 201 to 300 poor, 301 to 400...
14 Oct 2025 9:33 PM IST
New Delhi: A layer of smog enveloped several parts of the city on Monday as the air quality index slipped into the very...
21 Oct 2024 11:40 AM IST
