The New York State Department of Environmental Conservation issued the alert due to elevated levels of fine particulate ...

The air quality index (AQI) dropped below 100 overnight, meaning the air quality is now “unhealthy for some” across a good portion of northern Illinois. Those with heart and lung ...

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

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