A hazardous cloud of toxic air has engulfed a major US city, reportedly causing an emergency alert for toxic chemicals, with ...

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 ...

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

Google and Apple both issued rare alerts to their users this week, warning them that the air quality in Chicago had reached ...

Smoke from a NJ wildfire is pushing NYC air quality into the danger zone. Officials urge sensitive groups to limit outdoor ...

Various popular weather apps across Chicago showed that the air was unsafe to breathe early Wednesday morning, prompting ...