Smoke from hundreds of wildfires in Canada is lingering over the northern U.S., spreading across to roughly a dozen states ...

The smoke floating over the border shared between America and Canada is now impacting air quality in states as far south as ...

Air quality alerts are issued when pollution levels rise to unhealthy levels, warning the public, especially vulnerable ...

The air quality in several U.S. states is taking a hit as smoke floats over the border from the Canadian wildfires. Here's ...

The Air Quality Index system used by the Environmental Protection Agency often rises to unhealthy levels due to wildfires, so ...

The New York State Department of Environmental Conservation issued the alert due to elevated levels of fine particulate matter in the air. Air Quality Index (AQI) values are forecasted to rise above ...

An air quality alert from Canadian wildfire smoke will last through the day Wednesday, according to Vermont Emergency ...

Yesterday, the National Weather Service issued an air quality alert for Northeastern Pennsylvania as smoke from Canadian ...

An air quality advisory is in effect for New York City as smoke from Canadian wildfires continues to impact the region’s air, ...

India’s current Air Quality Index (AQI) fails to reflect the true health dangers of pollution, especially the short-term risk ...

An air quality health advisory for fine particulate matter will be in effect Wednesday, Aug. 6, for the entire Mid-Hudson ...

The mid-Hudson Valley is expected to have an air quality index of 101 Aug. 4, which is unhealthy for at-risk groups.