Denver, CO

The Global Smart City Index 2020 also gave the Mile High City a BBB rating. According to inhabitants, Denver stands out for the convenience with which tickets to performances and museums can be purchased online, the ease with which online voting can be completed, and the fast availability of employment opportunities. And it's significantly higher than the global average for cultural activities.

Best smart initiative: The Colorado Smart Cities Alliance's Love My Air program, in collaboration with Denver Public Schools, is developing a citywide air-quality (AQ) monitoring network to provide real-time AQ data–using low-cost cutting-edge air pollution sensor technology that has been redeveloped with solar, battery storage, and data connectivity to make it useful for large-scale deployment and replicable in any municipality.