$1\mathrm{.}1$ Every municipality is required to have an air quality management plan as part of its Integrated Development Plan $($IDP$)$ which is a comprehensive and inclusive economic and social development municipal plan. Briefly discuss the objectives of air quality management plans and what they entail.

$1\mathrm{.}2$ In $2007,$ the Department of Environmental Affairs declared the Highveld Priority Area which encompasses Emalahleni; Secunda; Middelburg; Hendrina and Ermelo because of high airborne particulate matter $($PM$)$ and sulphur dioxide $(S{O}_2)$ in the area. Discuss this air quality management measure.