Quiz - World's Most Polluted Cities Environment Geography Public Health Question 2 / 8 What is the PM2.5 level in Delhi, India? 92.7 µg/m³ 81.2 µg/m³ 70.7 µg/m³ 🏠 Restart the quiz Partager cette page Choisis une option : Twitter Facebook WhatsApp 📋 Copier le lien Fermer
