Analysis Of Air Pollution Incidents Impacting The United States
Very unhealthy AQI levels are occurring, driven primarily by fine particulate matter (PM2.5) from fireworks and wildfires, industrial emissions and stagnant weather patterns.
UNITED STATES — A significant air pollution incident is impacting multiple regions across the United States, including the Southeastern, Midwest, Washington, D.C., and Southwestern United States.
Elevated Air Quality Index (AQI) levels, ranging from good to very unhealthy, are occurring, driven primarily by fine particulate matter (PM2.5) from fireworks and wildfires, with contributions from industrial emissions and stagnant weather patterns.
Affected Areas
The incident is affecting several regions, with specific AQI levels and primary pollutants identified based on real-time data from July 5, 2025.
Areas Impacted, Data and Analysis:
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