It is unlawful for any person to burn refuse of any nature whatsoever, grass cuttings, leaves, lawns, weeds, sheds, buildings or structures, trees or shrubbery on any of the public streets or alleys or highways or on any lot within the city which shall pollute the atmosphere of the city in any manner whatsoever without first obtaining and meeting the conditions of an approved burn permit from the bureau of fire prevention. Nothing in this section shall be construed to prohibit outdoor cooking or barbecuing or fireplace burning. (Ord. 342 (part), 1987: prior code § 4-5-26)