Thick fog blanketed parts of the UAE on Monday morning, reducing visibility to less than 1,000 metres in some areas.
Murky skies began to clear by 8am in Abu Dhabi, with another hot and humid day in store across the Emirates.
Abu Dhabi Police sent out a mobile phone alert warning of speed limits being reduced to 80 kilometres per hour on some roads due to the dense fog.
Challenging road conditions led to a build-up of traffic on some routes, including Sheikh Zayed Road.
The foggy weather is expected to linger for several days.
The National Centre of Meteorology urged motorists to follow traffic regulations in place during periods of poor visibility.
Abu Dhabi Police routinely cuts speed limits on roads during foggy weather.
Temporary limits are displayed on electronic boards on motorways, with fines issued to drivers caught flouting the rules.
The UAE has experienced unstable weather in recent months, with soaring temperatures and high humidity as well as mist, fog and heavy rain.
In its latest five-day forecast, the NCM said fog and mist could persist until at least Thursday.
Visibility could be further reduced by dust storms next week, with winds expected to hit 40 kph.
The UAE weather is cooling down as September draws to a close. The lowest temperature recorded in the country on Sunday was 20.7°C in Raknah, Al Ain at 6.30am.
Daytime temperatures are expected to drop below 40°C across the UAE this week, dipping to 33°C in Fujairah and below 30°C in the evening.
Temperatures on Monday are expected to reach 39°C in Abu Dhabi and 38°C in Dubai.
Fog shrouds the UAE — in pictures
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Fog covers Reem Island in Abu Dhabi. Stephen Nelmes / The National -
Fog rolls in over Abu Dhabi's city centre. Tim Knowles / The National -
Visibility was greatly reduced in the early morning. Tom Herbert / The National -
The sun pierces through the mist. Tim Knowles / The National -
The fog clears to reveal blue skies. Tim Knowles / The National -
Residents experienced a chilly start to the morning as some areas sank below 10°C in the early hours and were still around 14°C by 8am on Thursday. Khushnum Bhandari / The National -
Fog drifts across Qasr Al Hosn. The National Centre of Meteorology issued an alert as the murky weather descended over most of the coastline, stretching deep inland. Khushnum Bhandari / The National -
Speed limits were reduced on several motorways in the UAE capital on Thursday as a result of the fog. Khushnum Bhandari / The National -
Fog also affected Reem Island. Drivers were told not to exceed 80kph on a number of major roads as visibility was reduced to less than 1,000 metres. Khushnum Bhandari / The National -
The fog was expected to lift by the late morning. Khushnum Bhandari / The National
