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Environment Canada

Year-to-Date Daily Maximum UV Index Graphs

The UV Index plots are based on ground-based measurements by Brewer spectrophotometers carried out by the Science and Technology Branch. The actual measurements are indicated by the cyan dots. Estimates of UV Index for clear sky no-snow conditions and “normal” pre-1980 total ozone values are shown by the blue line. Estimates of UV Index for clear sky no-snow conditions and each day’s total ozone values are shown by the magenta line.

Goose Bay
Goose Bay
Toronto
Toronto
Churchill
Churchill
Resolute
Resolute
Eureka
Eureka
Alert
Alert
Edmonton
Edmonton
Saturna
Saturna
To find plots for previous years visit our site at uvi_graphs

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