Air quality in the Chicago area has remained poor for three days in a row, the NBC 5 Storm Team reported Wednesday morning.

Detroit faces significant air pollution. Planet Detroit's guide details common pollutants and protective measures.

Canadian wildfire smoke remains in Michigan. On July 16, officials issued an air quality advisory for western counties.

Official data showed Consumer Prices Index inflation rose to 3.6% in June, up from 3.4% in May and the highest since January ...

This week in the Boston Globe Weather Mailbag, Globe Weather HQ tackles questions surrounding summer thunderstorm frequency, ...

The EPA's Air Quality Index can tell you whether breathing outside air can be harmful. Here's how to read the scale to plan ...

Canadian wildfire smoke lingers in Michigan. Officials issued an air quality advisory in southeast Michigan for July 15.

If you’ve been outside on a smoggy day, you’ve probably noticed that your body reacts poorly to bad air quality. Maybe you coughed, or got a headache. But what actually happens to your body when you ...

The Illinois Environmental Protection Agency has issued an Air Pollution Action Day for Tuesday, July 15. Here's what to know ...

The newer AQHI takes into account the health effects and environmental concerns associated with varying concentrations of pollution, two factors the AQI does not. AQHI measures the impact of air ...

Humidity will make temps feel like the 100s. However, heat index values will stay below the National Weather Service’s ...

Many studies have shown how reduced air quality can compare to smoking cigarettes. Moderate air quality currently is like smoking one cigarette per day.