Canadian wildfire smoke is affecting air quality in parts of Michigan. The EPA's air quality index (AQI) uses a color-coded scale to inform the public about air quality and associated health risks.

We often hear about Delhi’s "very poor" air days, but what does that really mean for your health? A new study, published in IOP Science, titled: A framework for city-specific air quality health index: ...

Air Quality Numbers Explained: As pollution in Delhi continues to rise without pause, residents are constantly checking the AQI levels to decide when it might be safe to step outdoors. Air Quality ...

The Air Quality Index (AQI) uses a color-coded scale to inform the public about air pollution levels and potential health risks. Michigan residents can check the AQI through various online resources, ...

Firefighters work inside a burned structure. After California’s Eaton fire was suppressed in January, invisible gases continued to permeate the air, exposing residents and first responders to ...

An air quality advisory is in effect for the Lower Peninsula of Michigan due to wildfire smoke from Canada. Sensitive groups, such as those with respiratory issues, should limit outdoor activities.

Air quality in Milwaukee is once again approaching unhealthy levels due to Canadian wildfire smoke. As of 9 a.m. July 17, the Air Quality Index (AQI) in the Milwaukee metro area was between 115 to 120 ...