Interpretation rule
air-quality-nessun-superamento
When it applies
Source class
NESSUN_SUPERAMENTO
The rule fires when the named source publishes this class for the point being asked about. Until the source does, TerraOverview adds nothing.
TerraOverview interpretation: zone with no exceedance of the health limit and target values
In the air quality zone containing the point, none of the limit and target values set to protect human health was exceeded in the reference year. It is an outcome about the zone and the year, established from the measuring stations within it. It does not say that the air at this address is within those values: concentrations vary over tens of metres and the stations are few relative to the size of a zone.