Observed air quality and the smoke outlook for Harwich, MA: 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: South Yarmouth, MA smoke forecast (5.8 mi W) · Yarmouth, MA smoke forecast (8.0 mi W) · West Yarmouth, MA smoke forecast (8.9 mi W) · Barnstable, MA smoke forecast (12 mi W) · Boston, MA smoke forecast (69 mi NW) · Providence, RI smoke forecast (70 mi W)