Seeing the OP is Aldergrove
Bigfoot out it the valley (Mission) sealed eye protection, paintball goggles or similarly rated.
Mesh goggles, built like paintball goggles with a safety glasses underneath.
As for your gas mask idea my bet is you will not make through one full day either due to fogging or lack of comfort, or the simple inability to see.
Take to heart the checking of you goggles the rental goggles at our field are having lens replacements, we had 3 failures (cracks). They are all about 4 years old.