to blow the fumes away from me and others
Ah, but it's not real soldering if you can't smell your work. ;D
It's just flux fumes, irritating to the eyes but not toxic to my knowledge. Soldering gets no where hot enough to cause lead or tin to vaporize.
PS: IANAD ( I am not a doctor) and IANAE (environmentalist). But I have lived to be 63 so far. 
Lefty