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56,681 columns in the coverage ledger · read from /api/field-coverage on citytap-prod · source last observed Oct 12, 2026, 7:17 AM
3,026 datasets, 56,681 catalogued fields, 0 of them still unread. Every band below is a share of that, worst first. Open one to see its datasets.
Gaps in the data behind this page
Source last observed Oct 12, 2026, 7:00 AM.
710 of the 3,026 datasets in the catalog hold no queryable rows.
710 / 3,026
Source: /api/field-coverage
Check it yourself: /api/field-coverage#/catalog/datasets_not_queryable
49 of the 2,408 mirrored datasets lag the source they copy.
49 / 2,408
Source: /api/scorecard
Check it yourself: /api/scorecard#/mirror_lag/datasets_behind
This note returns on its own when the measurement moves.
These pages state their own gaps: /datasets, /freshness, /scorecard, /scorecard/fields, /analyses, /ontology, /graph, /alerts, any topic page under /domains, any dataset page.
Showing 25 of 1186 datasets
2021 Preliminary class size distribution aggregated by district
2021 Preliminary class size distribution aggregated by city
2021 Preliminary class size distribution aggregated by borough
2021 Preliminary average class size aggregated by school
2021 Preliminary average class size aggregated by district
2021 Preliminary average class size aggregated by city
Preliminary average class size aggregated by boro
2021 LL51 Spring Semester DL FINAL REDACT
This is a report of city vehicles and actual MPG compared to EPA estimated MPG. Each line of data is a combination of all the active vehicles on the city’s telematics system broken down into year/make…
Attendance and location information for outdoor aquatics programming from 2018-2019. Explore the Data Dictionary View Open Data for Aquatics Programming (2021 to current): here Learn more about this p…
Daily summary of citywide and agency COVID-19 related encumbrances. This data was collected from March 10, 2020 through June 29, 2021 and is no longer being updated.
Aggregation of all city-funded encumbrances coded by agencies as being related to the COVID-19 pandemic, allocated to IBO-defined expense types. This data was collected from March 10, 2020 through Jun…
Attendance records for the "Swim for Life" program, which provides swimming instruction to second grade public school students. Explore the Data Dictionary View Open Data for Swim for Life (2022 onwar…
Registration and attendance statistics for outdoor lap swim programs. Data Dictionary: https://docs.google.com/spreadsheets/d/1WK_MaJ0Cfnmvz8y1NLv2l-LNp_OrKvyb/edit?usp=sharing&ouid=100172030647057411…
Attendance information for the "Kids in Motion" program, which provides free activities in NYC’s playgrounds, including organized sports, games, fitness demos, and board games. This dataset contains i…
Attendance data include 3K-12 students in Districts 1-32 and 75 (Special Education). Students in District 79 (Alternative Programs), charter schools, home schooling, and home and hospital instruction…
Investigations data was received from OSI and the outcome is either substantiated or unsubstantiated as this is the final outcome from OSI. Call categories were removed from parent of guardian report…
Student ride times were reported as defined by the time difference between the scheduled stop time and the school session time. This was reported at the student level as this is a more useful metric f…
For the 2020-2021 school year, only students who were enrolled in blended learning were assigned to bus routes. Therefore, students who are routed are assumed to be enrolled in blended learning. Stude…
School bus companies report this data, and it is therefore subject to data entry error. Failure to arrive at school is not captured from the school bus company reported source for delays, therefore th…
In response to the COVID-19 pandemic, NYC Parks temporarily closed several amenities, including Comfort Stations. This data collection contains the status of a Comfort Station, and is subject to chang…
During the Covid-19 response, NYC Parks developed Social Distancing and Enforcement applications used by Parks and other city agencies. This dataset contains a comprehensive list of parks (or areas wi…
During the Covid-19 response, staff from NYC Parks Maintenance and Operations (M&O) division educated patrons on social distancing in addition to their regularly assigned tasks . This dataset contains…
During the Covid-19 response, NYC Parks deployed Social Distance Ambassadors (SDAs) across NYC parks to educate patrons on social distancing. This dataset contains encounters and non-encounters during…
During the Covid-19 response, the Mayors Office of Operations worked with several city agencies to deploy Interagency Ambassadors across NYC parks to educate patrons on social distancing. This dataset…