By Cecilio Padilla

SACRAMENTO (CBS13) — As fall descends on the City of Trees, leaf blowers are a common sight and sound. But the city council is now working to change that, at least on days when the air reaches unhealthy levels.

In a proposed ordinance the Sacramento City Council will be taking up on Tuesday, use of both electric and gas-powered leaf blowers would be banned on days when the AQI goes over 100.

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Officials argue that portable leave blowers contribute to dust emissions. The exhaust from engine and refueling are also concerns city leaders cited for the possible ban.

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Sacramento has averaged 34.4 days a year (dating back to 2014) where the AQI went over 100, according to numbers from the Sacramento Metropolitan Air Quality Management District cited by city leaders.

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Other cities in the region, like Davis, already have a leaf blower ban on the books when the AQI reaches 100 or more.