This is a historical record of rain accumulated at various rain gauges throughout the City during the rain season, which typically runs from May 1- Sep 30. Readings are taken at 5 minute intervals, and updated daily. This data is QA/QC'd on an annual basis at the end of the calendar year at which time some adjustments may be made to the data. Users should keep in mind that data viewed before March 31 of the following year should be considered in a ‘raw’ state and may be subject to change. For current year, raw rainfall readings see Current Year Rainfall

This dataset makes historical air quality data accessible for various parameters at Calgary monitoring stations. The data is collected by the Calgary Region Airshed Zone and submitted to Alberta Environment and Parks (AEP). The data is delivered to the airdata warehouse, a central repository for Alberta's ambient air quality data via a web service provided by AEP. In this way, AEP provides access to quality controlled historical air quality data at its air quality stations.
In addition to air quality monitoring data, an Air Quality Health Index (AQHI) is calculated hourly at certain monitoring stations. The AQHI is a simple way to interpret air quality conditions: it provides a number from 1 to 10+ which indicates the relative health risk associated with local air quality. The higher the number, the greater the health risk. Further information on the AQHI calculation is available at: https://www.alberta.ca/air-quality-health-index--calculation.aspx

Information about Calgary's urban forest, including the locations and types of trees on public land. To learn more, visit the Urban Forest Management map.

The hourly output at each of The City of Calgary's solar photovoltaic projects. For information about each site, see the calgary.ca/solar

An extent of land covered by, intermittent and permanent, water bodies and watercourses. This includes both parcel bounding and non-parcel bounding occurrences. Includes the natural watercourses as follows: Bow River Elbow River Nose Creek West Nose Creek Fish Creek. This is a generalized version of the data set and is intended for cartographic purposes and faster drawing time.

Energy consumption at City facilities. This raw data is subject to periodic adjustments and modifications. Check out: Calgary's Sustainable Building Policy

Administrative grouping of Habitat polygons into Natural areas maintained by Calgary Parks or located on lands under Calgary Parks Stewardship.

This data set contains the community-wide greenhouse gas emissions over time. The emissions are broken down by sector (e.g. transportation, waste, etc.), and by emissions source (residential buildings, commercial buildings, on-road transportation, etc).

This is a composite land cover layer created from multiple City data sources and compiled into a single seamless land cover layer in 2015. The final land cover layer was checked against the City of Calgary’s 2014 air photo at a minimum of 1:4000. Missing and/or overlapping areas were resolved manually and City parks were reviewed at 1:1000 resolution. The land cover dataset informs several City analyses, including a Habitat Condition Rating model to assess natural area park health and a structural wildlife connectivity model, where land cover resistance values act as the difficulty rankings for terrestrial wildlife movement. The dataset can also be used in analyses of open/park space contiguity.

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