Name: World's Cleanest Cities Air Quality Dataset 2026
Creator: World's Cleanest Cities
License: https://creativecommons.org/licenses/by/4.0/

Best Cities For… Clean-Air City Lists 2026

Best Cities for Asthma: Clean Air in Every Month

Cleanest Big Cities: Over 1 Million People

Cleanest Mid-Size Cities: 250,000 to 1 Million People

Cleanest Warm-Weather Cities

Cleanest Cool-Climate Cities

Cleanest Cities Verified by Government Monitors