Observed air quality and the smoke outlook for McHenry, IL: when smoke arrives, how bad it gets, when it clears — with the fires nearby and a live local map. Forecasts from NOAA, NASA, and ECCC models, checked hourly against real monitors and satellites.
Nearby: Johnsburg, IL smoke forecast (3.5 mi N) · Lakemoor, IL smoke forecast (3.5 mi E) · Island Lake, IL smoke forecast (5.5 mi SE) · Crystal Lake, IL smoke forecast (6.9 mi S) · Chicago, IL smoke forecast (46 mi SE) · Milwaukee, WI smoke forecast (52 mi N)