Summer is the peak period for construction work in most parts of Western Canada. It’s also the time when those who spend much of their workday outside are under threat from wildfire smoke. …The smoke from the wildfires is carried by the wind and often reaches construction sites where it can impact the health of workers. Erin Linde, director, health and safety services at the British Columbia Construction Safety Alliance (BCCSA), says construction employers need to prepare in advance of the threat because wildfires are now commonplace. …Wildfire smoke is dangerous for everybody who works outdoors but construction workers are especially at risk because they are often doing physical work and breathing in particles. …Wildfire smoke is dangerous because it’s a complex mixture of particulate matter, gases such as carbon monoxide and nitrogen oxides, and volatile organic compounds. Some of the particulate matter is very minute and can reach deep into the lungs.