A new report has shed light on the locations of the most polluted cities in the U.S. On Tuesday, IQAir, a Swiss tech company ...

The WHO has identified air pollution as the biggest environmental threat to human health globally. Each year, an estimated ...

Meanwhile the cities with the worst pollution in North America were all in California. The report by IQAir, a Swiss company that tracks global air quality, looked specifically at fine particulate ...

BENGALURU, Karnataka — Most of the world has dirty air, with just 17% of cities globally meeting air pollution guidelines, a report Tuesday found. Switzerland-based air quality monitoring ...

“There are other institutions looking at air pollution ... The Observatory will generate maps and visual displays to illustrate its findings. Each year, the Observatory will issue the Global ...