humidex

the humidex provides information about how hot it feels outside in the shade. it is a measure of the air temperature in relation to the relative humidity for a particular day. the temperature feels hotter when the humidity is higher.

in hot weather, the humidex is listed each day online at weather.gc.ca or in the newspaper to alert people of the risk for a heat-related illness. direct exposure to the sun can increase the risk for a heat-related illness on days when the heat index is high. babies, older adults, or anyone with a health condition may have more risk of problems with the heat because of their age and general health.

prevention measures during days of high humidex will help reduce the risk of a heat-related illness. when the outdoor humidity is high, losing body heat by sweating is not as effective, so other measures to keep cool are needed.

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humidex

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