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Air Quality Sensor Data
Hourly air quality data collected by the city. The dataset begins in 2022 with data from a few stations that used AQMesh-brand sensors. Then it switches over to a few Clarity-... -
Rainfall at City-Operated Rain Gauges
The City of Ann Arbor operates and maintains five tipping bucket rain gauges (5-min resolution) which are located at Barton Dam, South Industrial Hwy, Jackson Ave/Parklake... -
Non City Open Spaces
Identify open space within close proximity or within The City of Ann Arbor, not managed by a city department -
Parks
Parkland property for conservation, land development planning, park and recreational planning. -
Street Trees
Location of City Street Trees -
Floodplain
That portion of the river valley, adjacent to the channel, which is built of sediments deposited during the present geological / climatic regime. Based on statistically derived... -
Greenbelt Properties
Properties in the greenbelt area with designation includes detail about the listing. -
Greenbelt Area
Polygon preserved under the Open Space and Parkland Preservation Millage of 2003, and beyond. -
Catch Basins
Locations of public, private, County Drain Commission, and University owned catch basins/inlets as part of the City's greater storm water network. -
Home Energy Score Locator
The Home Energy Rating Disclosure (HERD) Ordinance provides consumer protections by requiring that a Home Energy Score (HES) assessment be conducted before a home lists for... -
Ann Arbor Floodplain Map
Interactive view of Ann Arbor's floodplain. Review Elevation Certificates, Letters of Map Change (LOMCs), and cross-sections from FEMA. -
Champion Tree Tour Map
Ann Arbor's Champion Tree program identifies and catalogs the largest tree of each species within the city. This map has details about each champion specimen and shows where... -
Ann Arbor Circular Economy
Web map application depicting organizations and businesses that are considered participants in the Ann Arbor area circular economy. -
Allen Creek Historic Map
Take a tour through along the original path of Allen Creek through this map and see historic photos from various points. You can learn more about the history of Allen CreekReal-Time Air Quality Map
The city has deployed a network of air quality sensors. The vendor, Clarity Movement, maintains a map that shows real-time air quality using this data. Type in an address,...Natural Areas Photo Monitoring Map
The Natural Area Preservation (NAP) Photo Monitoring Project began in the mid-1990s as a way to monitor ecological changes throughout Ann Arbor's beautiful natural areas over...A2ZERO Dashboard
Explore an interactive dashboard showing progress on the A2ZERO Plan. The dashboard...Street Tree Pruning Map
Map of street tree pruning areas and pruning cycle years.Solid Waste Metrics
Graphs of the solid waste tonnages and percentages, broken out into organics, recycling, and trash. This aims to provide a picture of all residential and commercial waste...Greenbelt Map
Ann Arbor Greenbelt Boundary Map, includes city council approved project, preservation lands and more.Stormwater Impervious Surfaces and Credits
This map shows the amount of impervious area by parcel that is used to determine stormwater utility fees, as well as what stormwater rate credits a particular site currently...Drinking Water Quality Measures Dashboard
Ann Arbor Water publishes sample results about the composition of the city's award-winning drinking water. See the mineral content of the water in nearly real-time.Drinking Water and Source Water 1,4-Dioxane Monitoring Dashboard
City drinking water comes from the Huron River and groundwater wells that are monitored regularly before and after treatment to ensure the drinking water remains safe from...Rain Gauges Dashboard
An interactive way to visualize rainfall data collected from the city's five tipping-bucket rain gauges, going back to 2013. The raw data behind this dashboard is also available...Natural Features Inventory Interactive Map
This is an interactive display of the city natural environment including open space, natural areas, contours, floodplain, wetlands, forest fragments, street trees, and the urban...