On Wednesday at 8:40 a.m. EDT an air quality alert was reported by the National Weather Service in effect until Friday at midnight EDT for Midland, Bay, Huron, Saginaw, Tuscola, Sanilac, Shiawassee, Genesee,

Wildfire smoke pouring into the state from Canadian fires has triggered a red air quality alert, signaling that the air is unhealthy for anyone and everyone to breath. The alert, issued by the Minnesota Pollution Control Agency,

Poor air quality can sneak up fast on hot days. Here’s what causes it, what to watch for, and how to protect your health, and the planet.