In a computer-implemented method for visualization of anomalies in time series data on a graphical user interface, a plurality of time series data is dynamically displayed in a graph of the graphical user interface, the plurality of time series data including data points represented as numerical measurements. An indication that a time series data of the plurality of time series data includes an anomaly is received. Responsive to receiving the indication that the time series data of the plurality of time series data includes an anomaly, a visualization of at least a region of the time series data including the anomaly is changed.