Question

Air Pollution Mass Balance The City of A is approximately 25 km (width) by 40 km (length). The average wind speed is 15kph from the northwest and flows through an altitude of approximately 1 km. If the average annual particulate concentration in the city is 57ug/m

3
, what is the annual quantity of pollutants discharged into the air above the City of A ?

Answer 1

Mass of pollutants discharged into the air above the City of A = (25 km) × (40 km) × (1 km) × (4.17 m/s) × (31,536,000 seconds) × (57 × 10^(-12) kg/m^3)