Air Quality Readings
Air Quality Readings (This data was collected as part of a research initiative from April 2021 to October 2022 and is no longer being updated.)
This data was collected as part of a research initiative from April 2021 to October 2022 and is no longer being updated.
Inventory of all air quality pod readings.
Glossary:
Prescaled data = raw data from AQMesh
Corrected data = pod-specific calibrations/corrections applied as needed
Network scaled data = finalized data, long-distance scaling/calibration, accounts for regional signal, accounts for noise
Acronym Definition
RH: Relative Humidity; Humidity
PM: Particulate Matter
PM1: Particulate matter that has a diameter of less than 1 micrometers
PM2.5: Particulate matter that has a diameter of less than 2.5 micrometers
PM4: Particulate matter that has a diameter of less than 4 micrometers
PM10: Particulate matter that has a diameter of less than 10 micrometers
PM Total: Particulate matter that has a diameter of less than 30 micrometers
TPC: Total Particle Count
NO: Nitric Oxide
NO2: Nitrogen Dioxide
NOx: Oxides of Nitrogen
O3: Ozone
CO: Carbon Monoxide
SO2: Sulfur Dioxide
CO2: Carbon Dioxide
LOD: Limit of Detection
Datasets available for download
-
Air Quality ReadingsFeature Layer
Layer 0 via ArcGIS REST API
-
Air Quality Readings (Explore)HTML
Explore Air Quality Readings on ArcGIS Hub
Additional Info
| Field | Value |
|---|---|
| Last Updated | September 2, 2026, 07:18 (UTC) |
| Created | March 25, 2026, 01:48 (UTC) |
|
Domain / Topic
Domain or topic of the dataset being cataloged.
|
|
|
Title
Title for the Dataset.
|
Air Quality Readings |
|
Description
A description of the dataset.
|
Air Quality Readings (This data was collected as part of a research initiative from April 2021 to October 2022 and is no longer being updated.) This data was collected as part of a research initiative from April 2021 to October 2022 and is no longer being updated. Inventory of all air quality pod readings. Glossary: Prescaled data = raw data from AQMesh Corrected data = pod-specific calibrations/corrections applied as needed Network scaled data = finalized data, long-distance scaling/calibration, accounts for regional signal, accounts for noise Acronym Definition RH: Relative Humidity; Humidity PM: Particulate Matter PM1: Particulate matter that has a diameter of less than 1 micrometers PM2.5: Particulate matter that has a diameter of less than 2.5 micrometers PM4: Particulate matter that has a diameter of less than 4 micrometers PM10: Particulate matter that has a diameter of less than 10 micrometers PM Total: Particulate matter that has a diameter of less than 30 micrometers TPC: Total Particle Count NO: Nitric Oxide NO2: Nitrogen Dioxide NOx: Oxides of Nitrogen O3: Ozone CO: Carbon Monoxide SO2: Sulfur Dioxide CO2: Carbon Dioxide LOD: Limit of Detection |
|
Tags / Keywords
Keywords/tags categorizing the dataset.
|
|
|
Format (CSV, XLS, TXT, PDF, etc)
File format of the dataset.
|
|
|
Dataset Size
Dataset size in megabytes.
|
135880.0 |
|
Metadata Identifier
Metadata identifier – can be used as the unique identifier for catalogue entry
|
|
|
Published Date
Published date of the dataset.
|
2021-04-21 |
|
Time Period Data Span (start date)
Start date of the data in the dataset.
|
|
|
Time Period Data Span (end date)
End date of time data in the dataset.
|
|
|
GeoSpatial Area Data Span
A spatial region or named place the dataset covers.
|
| Field | Value |
|---|---|
|
Access category
Type of access granted for the dataset (open, closed, service, etc).
|
public |
|
License
License used to access the dataset.
|
Open Government Licence – Ontario |
|
Limits on use
Limits on use of data.
|
|
|
Location
Location of the dataset.
|
https://data-cityofcambridge.opendata.arcgis.com/datasets/KitchenerGIS::air-quality-readings |
|
Data Service
Data service for accessing a dataset.
|
|
|
Owner
Owner of the dataset.
|
KitchenerGIS |
|
Contact Point
Who to contact regarding access?
|
City of Kitchener |
|
Contact Point Email
The email to contact regarding access?
|
[email protected] |
|
Publisher
Publisher of the dataset.
|
City of Kitchener |
|
Publisher Email
Email of the publisher.
|
|
|
Author
Author of the dataset.
|
KitchenerGIS |
|
Author Email
Email of the author.
|
|
|
Accessed At
Date the data and metadata was accessed.
|
2025-09-05 |
| Field | Value |
|---|---|
|
Identifier
Unique identifier for the dataset.
|
ae4902865fee4a89a4cd5cf80b101e25 |
|
Language
Language(s) of the dataset
|
English |
|
Link to dataset description
A URL to an external document describing the dataset.
|
https://data-cityofcambridge.opendata.arcgis.com/datasets/KitchenerGIS::air-quality-readings |
|
Persistent Identifier
Data is identified by a persistent identifier.
|
|
|
Globally Unique Identifier
Data is identified by a persistent and globally unique identifier.
|
|
|
Contains data about individuals
Does the data hold data about individuals?
|
|
|
Contains data about identifiable individuals
Does the data hold identifiable data about individual?
|
|
|
Contains Indigenous Data
Does the data hold data about Indigenous communities?
|
|
|
Portal Type
Platform type of the source portal.
|
| Field | Value |
|---|---|
|
Version
Version of the datatset
|
None |
|
Source
Source of the dataset.
|
None |
|
Version notes
Version notes about the dataset.
|
|
|
Is version of another dataset
Link to dataset that it is a version of.
|
|
|
Other versions
Link to datasets that are versions of it.
|
|
|
Provenance Text
Provenance Text of the data.
|
City of Kitchener |
|
Provenance URL
Provenance URL of the data.
|
|
|
Temporal resolution
Describes how granular the date/time data in the dataset is.
|
|
|
GeoSpatial resolution in meters
Describes how granular (in meters) geospatial data is in the dataset.
|
|
|
GeoSpatial resolution (in regions)
Describes how granular (in regions) geospatial data is in the dataset.
|
| Field | Value |
|---|---|
|
Indigenous Community Permission
Who holds the Indigenous Community Permission. Who to contact regarding access to a dataset that has data about Indigenous communities.
|
|
|
Community Permission
Community permission (who gave permission).
|
|
|
The Indigenous communities the dataset is about
Indigenous communities from which data is derived.
|
| Field | Value |
|---|---|
|
Number of data rows
If tabular dataset, total number of rows.
|
368695 |
|
Number of data columns
If tabular dataset, total number of unique columns.
|
58 |
|
Number of data cells
If tabular dataset, total number of cells with data.
|
21384310 |
|
Number of data relations
If RDF dataset, total number of triples.
|
|
|
Number of entities
If RDF dataset, total number of entities.
|
|
|
Number of data properties
If RDF dataset, total number of unique properties used by the triples.
|
|
|
Data quality
Describes the quality of the data in the dataset.
|
|
|
Metric for data quality
A metric used to measure the quality of the data, such as missing values or invalid formats.
|
0 Comments