Table 4.

Overview of the produced IoT sensor data in two real-life Smart Cities.

	Frequency	Single Sensor Events/s	# Sensors	Total Events/s
Antwerp
Air Quality	1 per 30 s	0.034	22	0.667
Temperature	100 per day	0.001	2	0.002
Rain	250 per day	0.003	4	0.012
Traffic Count	±800 per day	±0.01	±115	±1.15
Traffic Lights	5 per second	5	8	40
Aarhus
Air Quality	1 per 5 min	0.0034	449	1.5
Weather	1 per 5 min	0.0034	9	0.03
Parking	1 per 5 min	0.0034	449	1.5
Traffic Count	3 per hour	0.0008	1	0.008