A "Code Maroon" air quality alert is the worst air quality alert based on the AQI. It means the value of index is 301 or higher, and everyone is more likely to be affected by the particles in the air.

The term “code red” comes from the U.S. Environmental Protection Agency’s color-coded Air Quality Index (AQI), which tracks five major air pollutants: ground-level ozone, carbon monoxide ...

A "code red" air quality alert was issued for our area Wednesday, due to high levels of particle pollution from the wildfires in Canada.The rain has helped quite a bit, bringing us back down to a ...

However, the general public does not need to be concerned. A Code Orange means that people with respiratory issues, like asthma, COPD, or heart/lung disease should limit any rigorous activities or ...

The alert began just before 8 p.m. Monday evening and lasts until 11 p.m. Tuesday night. “Under Code Red conditions, particulate matter concentrations are expected to reach unhealthy levels ...

During a Code Orange Air Quality Alert, when Air Quality Index levels are between 101-150, members of sensitive groups are recommended to make outdoor activities shorter and less intense, take ...