Canada's West Coast defence originally rested upon Coast Watch patrols, the PCMR and then, with the availability of the new Canadian-built Hurricane II aircraft armed with 12 x .303 Brownings, active long-range Pacific patrols out of Boundary Bay.
When the fire balloon bombs came to the attention of Intelligence, the Squadron was moved to Tofino and later bolstered by 135 F/S.
Between them, the RCAF Squadrons shot down several of the fire balloons, which generally were regarded as "kills".
Long-range Pacific patrols in single-engined aircraft was hazardous in the extreme. Don't take my word: look up the list of their aircraft and check out the large number lost at sea.
Personally, I am rather thankful for this aspect of the War Effort: my Dad was RCAF and met my Mom at a dance.... in Boundary Bay. They were married a year later.... and I turned up a year after that. I guess one might say that my interest in War Production comes naturally, being that I am a part of it myself!
I do wish, however, that this thing could have been deactivated and saved; I don't know if ANY of these survive in museums.
The bombs themselves generally were large incendiaries; the idea was to set fire to Canada's entire West Coast.