A smoke alert has been issued for the Shire's of Murray, Waroona and Harvey.
The smoke, which is affecting the towns of Dwellingup, Waroona and Harvey, is a result of prescribed burns east of Dwellingup and private property burns in the area.
It is expected to clear overnight.
WHAT TO DO
• Shut doors and windows and turn off air-conditioners.
• If driving through the area, turn on headlights and drive slowly. If you cannot see clearly, pull over to the left, keep your headlights and hazard lights on, and wait until the smoke clears.
• People with asthma and pre-existing respiratory or cardiovascular illnesses should follow their pre-prepared treatment plan.
• If affected by smoke, contact your doctor or call Health Direct on 1800 022 222.

Pop-up ice skating rink glides back into Mandurah for winter school holidays
Federal opposition leader Angus Taylor sits down with local business owners in Mandurah
Police search for missing man last seen leaving Rockingham Hospital
West Aussies urged to be on high alert after surge in winter house fires
New $3.4 million boardwalk to be constructed at Lake Clifton thrombolites
City of Mandurah rolls out new tactile bin lids, accessibility stickers to support residents with low vision
Driver dies in hospital after Australind crash
Welfare concerns for woman with dementia last seen in Cooloongup
Charges laid over fatal West Coolup crash
