In January of 2015, Shaw TV in Nanaimo produced the following show about wood smoke pollution on Gabriola Island. It features two of Gabriola Island Clean Air Society founders: David Boehm and Michael Mehta.
If you burn wood to heat your home, you may not realize how many trees are consumed every year by this choice. It's often difficult to see this since most of us have wood delivered in trucks loaded with smaller and sometimes split pieces. On Gabriola Island, our consumption of wood is the equivalent of 545 logging trucks/year of trees, and this consumes 55 Ha (136 acres) of mature forest every year. Much of this wood is imported from woodlots on Vancouver Island. If parked end-to-end, these 545 trucks (21.5m in length) would be 11.75 km long - almost the length of the island. Here's the math and the hyperlinked references to support these calculations. Forests in B.C. are relatively productive compared to other parts of the world. A Ha of mature forest yields on average 400 cubic meters of wood. Not all of this wood can be used as firewood but we'll use this number since data on actual amounts of usable wood are difficult to come by. A lower number of usable quantities...
Gabriola Island Clean Air Society board member, Dr. Michael Mehta, is quoted in this article in the National Observer on wood stoves. He states: "If the stereotype associated with country living holds fast, folks in Canada’s small towns and rural communities should be relishing the benefits of fresh, clean air. But rather the opposite is true, said Michael Mehta, a professor of geography and environmental studies at Thompson Rivers University in Kamloops, B.C. The full article is here .
During the Summer of 2017 the interior of British Columbia experienced an unprecedented forest fire season with wood smoke bathing much of the province in particulate pollution. In Kamloops and elsewhere, community groups and individuals have been setting up low-cost air quality sensors made by companies like PurpleAir and more recently SensorUp . How do these sensors compare to government air quality monitors which often cost hundreds of times more? Below is an overview comparing three of several PurpleAir sensors in Kamloops to the government monitor located on the Kamloops Federal Building with respect to PM2.5 levels during the months of July and August 2017. For comparison purposes, two PurpleAir sensors are within 1km of the Kamloops Federal Building. Here's what the government monitor yielded during this timeframe based on a one hour averaging period. Below is the same averaging period for the PurpleAir sensors located on Lorne Street and Strathcona Terrace...
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