Under Government of India's National Air Quality Monitoring Programme (NAMP) covering 312 cities/towns in 29 states and 6 Union Territores of the country, which of the following combination has been identified for regular monitoring at all the location ?
1
CO, NO2, PM10 and PM2.5
2
CO, NO2, Oxygen Difluoride (OF2) and PM2.5
3
Sulphur Dioxide (SO2), Nitrogen Dioxide (NO2), Suspended particulate Matter (PM10) and fine Particulate Matter (PM2.5)
4
Sulphur Dioxide (SO2), Nitrogen Dioxide (NO2), Carbon Monoxide (CO), and Suspended Particulate Matter (PM10)