[important]

WOCN20 CWVR 261637
Special air quality statement for British Columbia updated jointly by 
Environment Canada and Metro Vancouver and the B.C. Ministry of
Environment at 9:37 AM PDT Tuesday 26 March 2013.
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Special air quality statement for:
=new= Prince George
      Bulkley Valley and The Lakes - southeast including Burns Lake.

      Road dust advisory issued for Burns Lake.  Dust advisory
      Issued for Prince George.

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==discussion==
The Ministry of Environment in collaboration with the Northern Health
Authority has issued a road dust advisory for Burns Lake and a dust 
advisory issued for Prince George because of high concentrations of 
dust and particulate matter that are expected to persist until 
further notice.

Persons with chronic underlying medical conditions should postpone 
strenuous exercise and consider staying indoors until the advisory is 
lifted.

If you are experiencing symptoms such as continuing eye or throat 
irritation, chest discomfort, shortness of breath, cough or wheeze, 
follow the advice of your health care provider, particularly if you 
are elderly, have asthma, hay fever, breathing or lung conditions or 
if you react strongly to dust.

End

[/important]

From http://www.weatheroffice.gc.ca/warnings/SWS_bulletins_e.html?prov=bc