Frequent Questions

Why are there fluctuations in near-real-time air data at a single monitoring location?

It is common to see fluctuations in data at a single location over time due to fluctuations in normal background radiation. Rainfall, snowfall and changes in atmospheric conditions such as pressure or time of day/night may account for variations in measured background radiation levels; some such conditions can cause increases, and others may cause decreases in measured radiation levels

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