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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... -
Park Finder Map
Browse a map of the city's 162 parks, clicking on them to see amenity details and parking options. Or search for a park by name, or by amenity (say, "grill"). -
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... -
A2ZERO Dashboard
Explore an interactive dashboard showing progress on the A2ZERO Plan. The dashboard includes data on emissions in Ann Arbor and progress on actions to address them. Information... -
Pavement Condition and Planned Road Improvements
This StoryMap provides a guide to street pavement conditions in Ann Arbor. You can see the state of pavement overall; look at an individual street's rating; see what projects... -
Trial Balance by Fund
This dataset contains the summary trial balance for the City of Ann Arbor for current fiscal year. The report is organized by Fund and lists the balances by fund for all... -
Revenue Budget Performance Report
This dataset contains a summary of revenues recognized vs. budget for the City of Ann Arbor for this fiscal year. The report is organized by fund, agency, organization and... -
Open Purchase Orders
This dataset contains any purchase orders for the City of Ann Arbor for fiscal year 2022. It is organized by service area/units of the City. As a general rule, purchase orders... -
A2OpenBook
A2OpenBook is an online tool designed to disclose all City of Ann Arbor expenses in a transparent, simple and easy to use format. This includes expenses, revenues, vendor... -
Monthly Financial Report
This dataset contains a report showing the revenue and expenditure budgets and actuals in summary for each of the agencies (generally comparable to service units) of the City of... -
Invoice Aging Report
This dataset contains any open accounts receivable for the City of Ann Arbor and details any customer that may owe the City money for services billed through Accounts... -
Monthly Investment Report
This dataset contains a report for the performance of the City of Ann Arbor’s investment portfolio. This report is posted monthly. The Accounting Services Unit is part of... -
941-Employer’s Quarterly Federal Tax Return
This dataset contains the IRS Form 941 filed quarterly by the City of Ann Arbor to the Internal Revenue Service. This report is posted quarterly. The Accounting Services Unit is... -
Expense Budget Performance Report
This dataset contains a summary of expenditures vs. budget for the City of Ann Arbor for the current fiscal year. The report is organized by Fund, Agency, Organization, Activity... -
Budget Worksheets
This dataset shows expenditure & revenue data from the City’s financial system and is used in the development of the current fiscal year budget and next fiscal year plan to... -
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. -
Address Points
Representation of PIN and address information tied to each basic land ownership unit or sub-unit within the jurisdiction of the City of Ann Arbor. Included also are other... -
Parks
Parkland property for conservation, land development planning, park and recreational planning. -
Land Use
Display current Land Use within the City of Ann Arbor. Updates are made via construction and demolition activities. -
Historic Districts
Polygons defining the boundaries of all registered City of Ann Arbor Historical Districts. -
Greenbelt Properties
Polygon properties preserved under the Open Space and Parkland Preservation Millage of 2003, and beyond -
Building Footprints
The building outline dataset for the City of Ann Arbor. Includes the average height of the structure. Woolpert completed a semi-automated method for building generation... -
Fire Hydrants
Locations of all public, private, and University owned fire hydrants within the City of Ann Arbor or otherwise connected to the City's drinking water network -
Zoning Districts
Graphically defines the current Zoning classifications for the City. Updates are made after approval from City Council. Polygon boundaries of the City of Ann Arbor Zoning...