Emergency services are still on the scene today at Meikle Drumgrae Road in Airdrie, after the site went on fire yesterday.
Now mercy teams are asking residents who live nearby to keep their doors and windows shut to avoid smoke damage.
It comes as neighbours have reported still smelling strong burning fumes, more than 24 hours after the fire started.
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There are no casualties at this stage and four appliances and crews are still in the area dealing with the blaze.
A Scottish Fire and Rescue Service spokesperson said: “We were alerted at 12.23pm on Saturday, June 29, to reports of a fire near a landfill site on Meikle Drumgrae Road, Airdrie.
“There are no casualties, and four appliances and crews remain in attendance at the scene.
“We advise residents in the nearby vicinity of the incident and in the East of Scotland who can smell smoke to keep their windows and doors shut.
“If travelling through smoke, motorists should keep windows closed, turn off air conditioning and keep their air vents closed.”
Police Scotland have been contacted for comment.