Air pollution isn't always visible, but it's definitely real. To help us gain a better understanding of air quality around the world, BreezoMeter, an air quality analytics provider, is visually ...

The Environmental Protection Agency's Air Quality Index (AQI) map for Thursday displays a number of orange-coded regions, indicating air pollution levels that could harm people with respiratory ...

Several U.S. cities are experiencing heightened air pollution levels on Wednesday, including parts of Chicago.

Air pollution fell substantially as the city restricted car traffic and made way for parks and bike lanes. Over the past 20 ...