Smoke from Canadian wildfires and the Saharan dust storm are expected to bring hazy skies across South Carolina this week.

Vog forms when sulfur dioxide (SO₂) and other volcanic gases react chemically with atmospheric moisture, oxygen, sunlight, ...

Hawaii's Kilauea volcano has erupted again, sending lava fountains soaring 1,000 feet high in a stunning display. The latest ...

A red flag warning and air quality alert will be in effect in Minnesota ... older adults and those with respiratory conditions. Those concerns aside, the state is in for an unseasonably warm ...

People who struggle with breathing problems are likely to face some challenges ... predicting a "moderately active" summer season for air quality. While not expected to be an "extreme" year ...

Portions of Florida are facing reduced air quality today. Air quality in some ... levels ozone and particulate matter in the air and issues short term forecasts based on expected changes in ...

(USGS via AP) The Hawaiʻi Department of Health is urging residents and visitors to take precautions as elevated volcanic gas emissions from Kilauea continue to produce vog and poor air quality ...

New York City is under an Air Quality Health Advisory on Thursday as the wildfire in Ocean County, N.J. continues to burn. The advisory is in effect until midnight. New York City isn't the only ...

Concerns about air quality have vexed Connecticut educators for decades. Issues of air quality, ventilation and temperature regulation in schools also gained attention during the coronavirus pandemic.

Scientists say that each episode at Kilauea has continued for 13 hours to ... can be especially dangerous to those with heart or respiratory issues. The park posts daily sulfur dioxide air quality ...

Hawaii’s Kilauea volcano is nearing a ... be hazardous to those with heart or respiratory issues. The park posts daily sulfur dioxide air quality alerts, which can be found here.

Topeka experienced elevated air quality concerns on Tuesday afternoon due to high winds. The EPA's Air Quality Index (AQI) for Topeka reached 143, categorized as "unhealthy for sensitive groups." ...