FOX 5 New York on MSN

What is Code Purple air quality? What do Code Orange, Red and Purple mean?

Air quality alerts can change quickly during wildfire smoke events. Here’s what Code Orange, Code Red, Code Purple and Code ...

Why Does Wildfire Smoke Turn the Sky Orange?

Smoke from the Canadian wildfires is causing hazy orange skies and a red-tinged sun. The reason behind those colors has to do ...
The New York Times

Why the wildfire smoke makes the sky turn wild colors.

It has to do with the way light scatters. By Kenneth Chang To understand how smoke from Canadian wildfires is turning skies in many places orange this week, it helps to first ask: Why is the sky ...