reading the signal…
Signals / Condition / 311 service requests stream
in Mount Vernon, NY·counted·1 all time
Dangerous substances such as chemicals or fuels, typically stored in labeled containers or involved in spills.
Counted, not streamed: Hazardous Materials has no time series, so it is read as a footprint across places. All-time count by city.
The state of a place: complaints, wear, noise and upkeep. All-time counts.