Observed air quality and the smoke outlook for Walnut, 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: South San Jose Hills, CA smoke forecast (2.3 mi W) · Diamond Bar, CA smoke forecast (3.2 mi E) · Rowland Heights, CA smoke forecast (3.8 mi SW) · Anaheim, CA smoke forecast (13 mi S) · Santa Ana, CA smoke forecast (19 mi S) · Los Angeles, CA smoke forecast (22 mi W)