Observed air quality and the smoke outlook for Grass Valley, CA: 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: Alta Sierra, CA smoke forecast (5.4 mi S) · Lake Wildwood, CA smoke forecast (7.5 mi W) · North Auburn, CA smoke forecast (20 mi S) · Auburn, CA smoke forecast (22 mi S) · Sacramento, CA smoke forecast (50 mi SW) · Reno, NV smoke forecast (70 mi E)