Reference for https://api.erg.ic.ac.uk/AirQuality/Information/Species

This lists all of the commonly monitored pollutants, along with their code, a description and the health effect. Data returned in XML format

Url: https://api.erg.ic.ac.uk/AirQuality/Information/Species

HTTP Method: GET

Message direction	Format	Body
Request	N/A	The Request body is empty.
Response	Xml	The Response body is arbitrary XML.