Wildfires, dust storms and traffic made Chicago the 3rd-most polluted major US city in 2025, report finds
- Posted on March 26, 2026
- By Chicago Tribune
- 4 Views
Wildfires, dust storms and traffic made Chicago the 3rd-most polluted major US city in 2025, report finds

Massive intermodal facilities, growth of industrial warehouses have contributed to the Joliet area having highest concentration of pollution in the state.