Thick fog blanketed large parts of the UAE on Friday, prompting police to reduce speed limits on several roads in Abu Dhabi.
The murky weather affected large parts of Dubai, stretching from the coast to deep inside Abu Dhabi.
Abu Dhabi Police, who routinely reduce speed limits in the emirate during spells of low visibility, issued a message on social media urging motorists to drive cautiously.
The speed limit was lowered to 80 kilometres an hour on seven motorways, including the road from Abu Dhabi to Al Ain.
The fog is expected to lift by 9am, leaving a mainly sunny day, which could become cloudy at times.
Winds will be light to moderate and conditions in the Arabian Gulf and Oman Sea are expected to be calm.
Humidity will rise overnight, raising the risk of further mist and fog on Saturday.