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56,681 columns in the coverage ledger · read from /api/field-coverage on citytap-prod · source last observed Oct 10, 2026, 3:10 PM
3,026 datasets, 56,681 catalogued fields, 9,808 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 10, 2026, 3:00 PM.
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_mart_declared
67 of the 2,408 mirrored datasets lag the source they copy.
67 / 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.
Check public health measures across neighborhoods.
Showing 8 of 8 datasets
The DOHMH office of Public Health Engineering administers the Beach Surveillance and Monitoring Program for all permitted New York City beaches. The Beach Water Samples data set contains the enterococ…
This is an official NYC Health Department dataset. The Health Department does not endorse datasets using these data that may be created by others. The dataset contains the drinking water tank oversigh…
NYC Reported Dog Bites. Section 11.03 of NYC Health Code requires all animals bites to be reported within 24 hours of the event. Information reported assists the Health Department to determine if the…
Note: Services are offered at our enrollment sites in-person and over the phone. Help is available in many languages and regardless of immigration status. Health insurance enrollment and assistance wi…
The Heat Vulnerability Index (HVI) shows neighborhoods whose residents are more at risk for dying during and immediately following extreme heat. It uses a statistical model to summarize the most impor…
As a part of the Cool Neighborhoods Initiative, the NYC Parks Department, Mayor’s Office of Resilience and NYC Department of Health and Mental Hygiene monitored street level temperature on a subset of…
The New York City Health Opinion Poll (HOP) is a periodic rapid online poll conducted by New York City Department of Health and Mental Hygiene. The goals of the poll are to measure adult New Yorkers’…
The dataset includes locations in NYC that offer free blood pressure checks at self-serve blood pressure kiosks or by pharmacy staff. Blood pressure check data collected to promote access to free bloo…