The Parameters resource helps users identify and understand the various air quality parameters provided by the OpenAQ API. It details each parameter’s name, units, and description, which …

ParameterType null string Allowed values: pollutant meteorological Limit the results to a specific parameters type coordinates Any of: string null

This page provides examples of using the OpenAQ API for filtering air quality data by parameters, geolocation, and more. Find ready-to-use queries to get the latest PM2.5 values, retrieve sensor …

Get a parameter by ID GET /v3/parameters/ {parameters_id} Provides a parameter by parameter ID

This guide outlines the parameters, conditions, and examples for each query type, helping users effectively locate air quality data within specified geographic areas.

Query Parameters limit Change the number of results returned. e.g. limit=100 will return up to 100 results integer

Array<integer> null Array<integer> Limit the results to a specific provider or multiple providers with a single provider ID or a comma delimited list of IDs parameters_id Any of: Array<integer> null …

Parameters Path Parameters locations_id required Limit the results to a specific location by id

See the Parameters resource page for more information. datetimeFirst: The datetime of the first measurement available in OpenAQ from the sensor, provided in UTC and local time See Dates, …

Parameters Path Parameters instruments_id required Limit the results to a specific instruments id