Noida Air 'Dangerous' as AQI Crosses 400; Fog Worsens Health Risks, Travel

• Noida's Air Quality Index (AQI) has exceeded 400, classifying the air as 'dangerous' amid dense fog and cold weather.
• Specific Noida sectors recorded AQI levels up to 438, with Ghaziabad also experiencing 'very poor' air quality.
• Children, the elderly, and respiratory patients are at significantly higher risk; doctors advise avoiding outdoor exposure and using masks.
• Dense fog reduced visibility to less than 50 meters, severely disrupting road and air travel, causing delays and cancellations.
• Schools are considering online classes; IMD warns of dense fog from December 20-25, trapping pollutants and worsening smog.

Why It Matters: Noida faces 'dangerous' air quality (AQI > 400) and dense fog, posing severe health and travel risks.