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Current Solar Radiation 1-Hour Levels

The map below shows the current highest solar radiation 1-hour levels measured in langleys per minute (ly/min) for each of the metropolitan or other areas across United States where solar radiation is measured by the TREX. More detailed maps showing the current 1-hour solar radiation levels measured at each site in a particular area are available by clicking on the boxes on the map. These levels are based on data measured at the TREX's continuous air monitoring stations and may include data from local governments and private monitoring networks.

The latest imagery available is for Friday December 14, 2018 22-23:00 MST.

PLEASE NOTE: This data has not been verified by the TREX and may change. This is the most current data, but it is not official until it has been certified by our technical staff. Data is collected from TREX ambient monitoring sites and may include data collected by other outside agencies. This data is updated hourly. All times shown are in local standard time unless otherwise indicated.