Data lets users make immediate decisions that reduce their exposure to air pollution.
Heavy rainstorms overwhelmed more than 100 towns while firefighters saved dozens of stranded families.
Spanish police bust biker in snowman costume trying to ride away in a blizzard
Australian Maritime Safety Authority encourages people to equip themselves with hi-tech equipment and comply with all safety norms
Mountain rescue teams bring down climbers as heavy snowfall lash parts of Spain.
El Niño, which causes warm weather over the Pacific, had been thought to be the main cause.
Icy winds from the Himalayas chill the region every winter.
Esther Dingley disappeared in the Pyrenees in late November; authorities fear the worst.
Drought-prone cities have a history of flooding in rains