The City of Calgary Historical Air Quality API retrieves historical air quality data collected by the Calgary Region Airshed Zone and submitted to Alberta Environment and Parks (AEP). In addition to air quality monitoring data, an Air Quality Health Index (AQHI) is calculated hourly at certain monitoring stations, providing a number from 1 to 10+ that indicates the relative health risk associated with local air quality.
Twelve APIs have been added to the ProgrammableWeb directory in categories including Blockchain, Bots, Financial, and Tourism. Highlights include the Finnhub.io API for free data about stocks foreign currency exchange, and cryptocurrency. Here's a rundown of the latest additions.