Page 33 - Sensitive Groups News Today

Everyone knows that red means danger, but how did purple become a cautionary color? At an EPA conference in the late 1990s, attendees nearly came to blows over color coding on the Air Quality Index.

Everyone knows that red means danger, but how did purple become a cautionary color? At an EPA conference in the late 1990s, attendees nearly came to blows over color coding on the Air Quality Index.

Everyone knows that red means danger, but how did purple become a cautionary color? At an EPA conference in the late 1990s, attendees nearly came to blows over color coding on the Air Quality Index.

Everyone knows that red means danger, but how did purple become a cautionary color? At an EPA conference in the late 1990s, attendees nearly came to blows over color coding on the Air Quality Index.

Everyone knows that red means danger, but how did purple become a cautionary color? At an EPA conference in the late 1990s, attendees nearly came to blows over color coding on the Air Quality Index.

Everyone knows that red means danger, but how did purple become a cautionary color? At an EPA conference in the late 1990s, attendees nearly came to blows over color coding on the Air Quality Index.

Code Orange for Particle Pollution is in effect for most of North Carolina tonight. A CODE RED for Wednesday has been issued for unhealthy air quality for all.

After the region's air quality plummeted on Tuesday due to the wildfire smoke, Bay State environmental officials are yet again warning that the smoke will impact the area on Wednesday.

The AQI, or Air Quality Index, is a measure of how polluted the air is.

There are simple ways to protect yourself from smoke, pollution and overall poor air quality.