Upwind Report

Glyphosate use in Miami-Dade County, Florida

Estimated farm glyphosate use in Miami-Dade County, Florida was 8.0 to 10 pounds per square mile of county land in 2019, lower than 67% of US counties.

Map of Miami-Dade County, Florida and nearby counties, coloring each county's cropland by estimated farm glyphosate use per square mile of county land in the 2019 high estimate. Darker colors mean more use.

2019 numbers

Per square mile of county land8.0 to 10lb
US
2,063rd of 3,060
Florida
29th of 66
Per square mile of cropland57 to 74lb

Ranks are by use per square mile of county land, on the 2019 high estimate, among US counties with a value. Counties with the same value share a rank.

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A picture of Miami-Dade County against the US county median, with the source, to post or send.

Since 2000

Down from 29 in 2007 to 10 in 2019. Pounds per square mile of county land, high estimate.

Every year's numbers
Glyphosate per square mile of county land by year, in pounds
YearLowHigh
2000No dataNo data
2001No dataNo data
2002No dataNo data
2003No dataNo data
2004No dataNo data
2005No dataNo data
2006No dataNo data
20072929
20086.66.6
20099.29.2
20107.58.4
20111111
20123838
20138.212
20141111
20152020
20161818
20171111
20188.18.1
20198.010
See Miami-Dade County on the map

About these numbers

The main number is the county's estimated farm glyphosate use for the year divided by all of its land, water left out. A county with a little farmland can use a lot per square mile of cropland and still have far less in total than a county with more farmland, so the whole-county number is the one the map colors, ranks and compares.

These are county estimates, not records. They don't show which fields were sprayed or how much any one field got.

USGS makes a low and a high estimate, which fill in use that farms didn't report in different ways.

Per square mile of cropland is the same total spread evenly over the county's cropland only, so it's higher than the whole-county number wherever only part of Miami-Dade County, Florida is farmland.

Numbers are in pounds per square mile. The source gives kilograms per square kilometer, and 1 kg per km² is about 5.7 pounds per square mile.

Source: Hengl & Brungard from USGS county estimates, 2000–2019 (CC BY 4.0). Land area: US Census Bureau, 2020.

This page shows estimated farm use only. It says nothing about health and is not medical advice.