As the world battles against poor air quality, a Swiss air quality technology company has categorized countries based on ...

Between 2024 and 2025, Jacksonville's air quality conditions declined from "A" to "B" in the American Lung Association’s ...

Canadian wildfire smoke is affecting air quality in parts of Michigan. The EPA's air quality index (AQI) uses a color-coded scale to inform the public about air quality and associated health risks.

Thick smog engulfed Punjab’s capital on Saturday morning as Lahore topped the list of the world’s most polluted cities, ...

Canadian wildfires are causing poor air quality in parts of the U.S. Air quality alerts have been issued for several states, advising precautions for sensitive groups. The EPA has designated air ...