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.
Source link
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.
Source link
