Wednesday morning, the Ministry of Environment and the Northern Health Authority extended their Road Dust Advisory for Burns Lake, Houston,Telkwa and Smithers.
The Ministry of Environment expects the advisory to continue until the region receives precipitation.
The advisory was issued because levels of dust, coarse particles with diametres of 10 micrometres or less, PM10, exceeded the provincial air quality objective of 50 micrograms per cubic meter, averaged over 24 hours.
The PM10 value in Smithers/Telkwa is 58. In Burns Lake and Houston the PM10 values are 78 and 69, respectively.
The Ministry of Environment advised the dust advisory would likely remain in effect until the region received precipitation.
For additional information visit /www.bcairquality.ca/readings/index.