The Province has shut down all Open Burning in all High Smoke Sensitivity Zones due to the Covid-19 pandemic. 

Thetis Island lies within a High Smoke Sensitivity Zone.  Commencing immediately, all yard waste burning, industrial (Category 3) burning, and incinerator burning must cease.  

Here is a link to the Provincial order:  https://www2.gov.bc.ca/assets/gov/environment/air-land-water/air/advisories/2020-03-26_hssz_open_burning_restrictions_issued.pdf