CPCB measurements
Understanding India's AQI Cap at 500: Delhi's Air Quality Measurement Explained
Nov 20, 2025 05:21 pm CST
This comprehensive analysis explores why India's air quality index (AQI) is capped at 500 despite Delhi experiencing more severe pollution levels. The article examines the discrepancies between government and independent measurements, explains AQI calculation methodology, and discusses the health implications of severe air pollution, providing essential context for understanding Delhi's ongoing air quality crisis.
Delhi's Deteriorating Air Quality: Health Risks and Preventive Measures as AQI Reaches 'Poor' Category
Oct 18, 2025 02:32 pm CST
Delhi's air quality has deteriorated to 'Poor' category with AQI readings exceeding 230 near Akshardham, prompting health warnings from pulmonologists. Dr. Sharad Joshi highlights increased risks for those with respiratory conditions and vulnerable populations, recommending preventive measures including reduced vehicle use, air purifiers, and N95 masks as authorities implement Stage I of the Graded Response Action Plan to combat worsening pollution levels.