March 18, 2021 For the third year in a row in 2020, Delhi has emerged as the most polluted city in the world. In 2020, 6 places in Gujarat have crossed the danger mark in air quality. The Swiss group IQR, which measures air quality, has announced. Measure the pollution based on the level of … Continue reading Air pollution is highest in 6 cities of Gujarat, Delhi has the highest pollution in the world