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Smog advisories issued across southern Ontario


A smoggy sunset over Mississauga (file photo courtesy of: Mubeen M.)
A smoggy sunset over Mississauga (file photo courtesy of: Mubeen M.)

Staff writers

August 4, 2012 — The Ontario Ministry of the Environment has issued a smog advisory for multiple communities in southern Ontario.

Pollutants will accumulate and react with sunlight to form photochemical smog. Several areas under Smog Advisory Saturday.
Pollutants will accumulate and react with sunlight to form photochemical smog. Several areas under Smog Advisory Saturday.

The first day of the long weekend is forecast to be a steamy one for much of southern Ontario. 

Environment Canada says that with high humidity added in, the region from Sarnia to Ottawa will bake in temperatures hovering near the 40° C  mark.

The agency says high levels of ozone pollution that resulted in a smog advisory in several areas Friday will stick around for at least another day. 

A smog advisory continues for several communities across southern Ontario, including: Hamilton, Halton and Peel regions, Sarnia, Waterloo and Windsor. 

Health officials are encouraging residents to look out for relatives and friends who may be vulnerable to heat-related illness.

They're also advising everyone to drink lots of water, stay out of the sun and avoid physical activity during the hottest parts of the day.

Try to limit outdoor activities during a smog advisory (courtesy: Wendy Powell)
Try to limit outdoor activities during a smog advisory (courtesy: Wendy Powell)

Health tips

During a smog episode, the Ontario Ministry of the Environment recommends:

  • - avoiding exposure to vehicle exhaust fumes 
  • - wearing light clothing at work while air conditioning is reduced 
  • - avoiding strenuous exercise in the heat of the day 
  • - leaving lawn mowing for another day
  • - restricting the use of gasoline-powered equipment
  • - avoiding using oil-based paints, solvents and cleaners

The summer's scorching weather has led to several smog advisories across southern Ontario. Temperatures are expected to drop Sunday as cold winds blow in from the north.

With files from The Canadian Press

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