Air Quality Mapped Over Time | FlowingDataWith wildfires burning in the western United States, smoke fills the air. This is an animation of the air quality during the past couple of months.Air Quality Mapped Over Time | FlowingData
Here's what's causing Colorado's stretch of air quality alertsToday's pollution is very different from the Brown Cloud of the '70s and '80s but it could be just as bad.Here's what's causing Colorado's stretch of air quality alerts