You really have no reason to think about air quality unless there’s a problem. And when there’s a problem, there’s a problem. I live in Northern California, and the tragic Camp Fire has created incredibly unpleasant—if not unsafe—conditions throughout the area. Schools have closed in response to the terrible outdoor…
from Lifehacker https://ift.tt/2FJAfSy
https://ift.tt/2KoDdLc