Delhi's temperature rose slightly to 39.8°C with partly cloudy skies. Moderate air quality expected; AQI at 140. Similar ...

Japan started the operation of the heat stroke alert system on April 23 as the country braces for another sizzling ...

MP Kanimozhi urges India to update heatwave definition to include humidity and night temperatures for public health protection.

The ordinary alert system, operated by the Environment Ministry and the Japan Meteorological Agency, divides the country into ...

Coal ash ponds from retired power plants still pollute U.S. air, prompting new tech and EPA rules to reduce haze and restore ...

A man walks along a road in Karachi, Pakistan, protecting himself amid the region’s ongoing heat wave. In April alone, ...

The temperature of air measured by a thermometer freely exposed to the air but shielded from radiation and moisture.

Read our recommendations to minimise the risk of running in hot weather to all participants, spectators, event staff and ...

The shade WBGT is calculated for an environment shaded from direct (and strong reflected) solar radiation and where surfaces are not significantly hotter or colder than the indicated air temperature. ...