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The City of Montreal measures air quality in the form of a numerical value called the “Air Quality Index (AQI).” This data set provides access to historical AQI values, updated daily. Note: The AQI systems don't change the time: they always use Eastern Standard Time (EST) and not Eastern Daylight...

Data set including information on businesses, organizations and individuals who have obtained a contract involving an expenditure of more than $2,000 to the city of Montreal and according to a service or type of property that they are in a position to offer.

As part of the [Policy and guidelines dealing with free code and material at the City of Montreal] (https://github.com/VilledeMontreal/politique-libre), the Information Technology Department of the City of Montreal publishes the inventory of open source solutions that are developed and modified...

As part of the [Policy and guidelines dealing with code and free material at the City of Montreal] (https://github.com/VilledeMontreal/politique-libre), the Information Technology Department of the City of Montreal is publishing the inventory of open source solutions used.

Work orders allow boroughs to transmit all of their needs and the information needed to send a team to either install, replace, or straighten a pole or traffic sign. This data set is also linked to the following sets: - [Traffic signs (excluding parking)]...

History of outdoor skating rink conditions since 2002. Gradually since the winter of 2001-2002, data on skating rink conditions have been recorded by district foremen. Until the winter of 2010-2011, only the districts corresponding to the delimitation of the former districts contributed to this...

The data set shows a list of annoying vehicle tows carried out by the City of Montreal. These tows are carried out, for example, during snow removal operations, construction or during special events.

This data set shows the results of Palintest screening to detect the presence or absence of lead water. The drinking water distributed in Montreal is of excellent quality. However, some building pipes contain lead, which can dissolve and end up in tap water. For more information, visit...

This data set contains press releases published by the City of Montreal.

Inventory of municipal structures in the City of Montreal, which it owns or leases. It includes more than 75 types of real estate uses that categorize all buildings and external facilities, including arenas, libraries, fire stations, cultural centers, cottages, water features and outdoor pools.