This small city has the world’s worst air

By Esha Mitra, Trista Kurniawan and Deepak Rao, CNN Loni, India (CNN) — The city of Loni is less than one hours’ drive from Delhi, but this rapidly growing industrial base beats the Indian capital when it comes to one unenviable title. Last year, according to Swiss company IQAir, it had the world’s worst air