Wildfire Masking Is Just Different
Late last night, New Yorkers were served a public-health recommendation with a huge helping of déjà vu: “If you are an older adult or have heart or breathing problems and need to be outside,” city officials said in a statement, “wear a high-quality mask (e.g. N95 or KN95).”It was, in one sense, very familiar advice—and also very much not. This time, the threat isn’t viral, or infectious at all.





























