The Ministry of Environment in collaboration with the Northern Health Authority has cancelled the road dust advisory for 亚洲天堂 Lake, Houston, Telkwa and Smithers. Precipitation caused concentrations of coarse particulates to decrease considerably.
The provincial air quality objective for coarse particles, PM10 , is 50 micrograms per cubic metre, averaged over 24 hours.
As of 8 a.m. on March 29, 2012 the PM10 level for 亚洲天堂 Lake is 44 micrograms per cubic metre, Houston, 13 micrograms per cubic metre and Smithers, 12 micrograms per cubic metre.
For more information go to www.bcairquality.ca or call 250-847-7224.
