Asthma danger zones

  • Cities with sulphur-heavy gases, few trees and many anthracite or coal stoves such as Soweto and Durban.
  • Along the coast. Coastal air contains many more dust mites and fungus spores than the air in the Karoo.
  • Near industrial areas where unhealthy gases are released into the air. These include the oil refineries near Sasolburg and Milnerton in Cape Town and chemical plants near Durban.

Read more:

Asthma: breathe easy
Practical advice for asthma sufferers (and their parents)
How does asthma medication work?