Air pollution is Low and climbing across the Inland Empire area. Fourth straight week at Low. Its highest in four weeks. Well above its recent average. The highest of the eight California metro areas with data this week.
Air Pollution risk levels are derived from EPA Air Quality Index (AQI) data, including PM2.5, PM10, ozone, nitrogen dioxide, and sulfur dioxide measurements. Risk scores reflect both current conditions and forecast trends.
Data is updated hourly from EPA monitoring stations and satellite observations.
Sources: EPA AirNow, PurpleAir, satellite observations, Hubbub World air quality model
Last updated: November 9, 2026
Data refreshed weekly
Get today's Pollution data for the Inland Empire area — Download bub