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Wildfire Smoke Chokes Indianapolis Air
18 Jul
Summary
- Air quality alerts issued for Indianapolis due to Canadian wildfire smoke.
- Sensitive groups advised to stay indoors due to unhealthy air conditions.
- Climate change is exacerbating wildfire intensity and duration.

Air quality in Indianapolis is expected to be affected by smoke from Canadian wildfires this weekend and into early next week. The city's Office of Sustainability issued Knozone Action Days for Sunday, July 19, and Monday, July 20, citing high levels of particulate pollution. Similar air quality alerts were issued by the Indiana Department of Environmental Management for much of the state.
These conditions are particularly concerning for sensitive populations, such as children, older adults, and individuals with respiratory or heart conditions, who should limit outdoor activity. The smoke contains fine particulate matter that can be harmful when inhaled. Residents are advised to take precautions and consider wearing N95 or P100 masks if outdoor exposure is unavoidable.
The extended period of poor air quality is linked to climate change, which is causing Canada's fire season to start earlier and last longer. Warmer temperatures and drier conditions, amplified by climate change, are contributing to more intense and destructive wildfires in the boreal forests.