By PTINEW DELHI: Ghaziabad is the most polluted city in north India and its annual average PM 2.5 levels are much worse than those of Delhi, according to data from 137 continuous ambient air quality monitoring stations (CAAQMS) spread across 56 cities in the region. In its most polluted week, Ghaziabad recorded an average PM 2.5 level of 360 micrograms per cubic metre (ug/m3), while the annual average level stood at 110 ug/m3, the highest in north India. Delhi's annual average PM 2.5 levels stood at 97 ug/m3 and the weekly levels were 270 ug/m3. Moradabad, Noida, Faridabad and Gurugram recorded their annual average PM 2.5 levels at 96 ug/m3, 92 ug/m3, 89 ug/m3 and 88 ug/m3, respectively. The annual average PM 2.5 level of Delhi and Agra is 97 ug/m3 and 78 ug/m3, respectively.

Source: The North Africa Journal December 17, 2021 18:27 UTC