New Delhi closes all schools as air quality remains hazardous, part of measures to combat growing pollution
Respiratory ailments spread due to high air pollution
Govt blames the foul air on a drop in temperatures and reduced wind speeds
Residents of India's financial hub advised to stay indoors and avoid long walks
Air quality index peaked at 415 in Anand Vihar area of Delhi on Monday - more than eight times the 'good' level
Pindi admin issues order to crack down on smoke-emitting factories and vehicles
Air pollution aggravates spread of seasonal illnesses across Rawalpindi
Deadline extended to install them in 10 districts of Punjab
Pak-EPA says pollutants remained below permissible limits in three days
PM2.5 generated through combustion, industrial emissions, burning garbage or inflammable material