Hourly ambient fine particulate matter (PM2.5) data in micrograms per cubic metre from provincial ambient air quality monitoring stations across Nova Scotia up to the end of 2016.

Hourly ambient fine particulate matter (PM2.5) data in micrograms per cubic metre from provincial ambient air quality monitoring stations across Nova Scotia up to the end of 2016.

Hourly ambient fine particulate matter (PM2.5) data in micrograms per cubic metre from provincial ambient air quality monitoring stations across Nova Scotia up to the end of 2016.

Nova Scotia provincial ambient air quality monitoring stations, including locations and other attributes.

Hourly ambient carbon monoxide (CO) data in parts per million from provincial ambient air quality monitoring stations across Nova Scotia up to the end of 2016.

Hourly ambient carbon monoxide (CO) data in parts per million from provincial ambient air quality monitoring stations across Nova Scotia up to the end of 2016.

Hourly ambient carbon monoxide (CO) data in parts per million from provincial ambient air quality monitoring stations across Nova Scotia up to the end of 2017. This station closed at the end of 2017 and was replaced by the new, "Halifax Johnston", air quality station which is less than 1 block away.

Hourly ambient carbon monoxide (CO) data in parts per million from provincial ambient air quality monitoring stations across Nova Scotia up to the end of 2017.

Hourly ambient carbon monoxide (CO) data in parts per million from provincial ambient air quality monitoring stations across Nova Scotia up to the end of 2016.

Hourly ambient carbon monoxide (CO) data in parts per million from provincial ambient air quality monitoring stations across Nova Scotia up to the end of 2016.