New Delhi, Aug. 3 -- A series of Air Quality Alerts remain in effect across several US states due to smoke from Canadian wildfires, significantly increasing fine particulate (PM2.5) concentrations. Health officials warn of unhealthy air conditions, urging residents-especially sensitive groups-to take precautions.

An Air Quality Health Advisory is in effect until midnight EDT tonight for large portions of northern and central Vermont, including: Counties: Caledonia, Essex, Franklin, Grand Isle, Lamoille, Orleans, Washington, Chittenden

Cities: Burlington, Montpelier, St. Albans, Newport, St. Johnsbury, and more

The AQI is expected to reach Code Red-Unhealthy for Everyone. The Vermont Department of Health advises all residents to limit s...