The 2025 State of the Air report from the American Lung Association grades the levels of particle and ozone pollution that ...

A series of live maps from Windy.com highlighted which parts of the U.S. were experiencing elevated levels of air pollution on Friday. The maps showed data for multiple types of pollutant, including ...

The Russian city of Dzerzhinsk is one of the most polluted in the world.<br>Home to the Soviet Union’s principal site for chemical manufacturing—including chemical weapons—Dzerzhinsk shows ...

More than 156 million Americans live among unhealthy levels of air pollution, an annual report from the American Lung Association found.

In 1969, Chattanooga was labeled the most polluted city due to unregulated emissions from its industrial sector. The pollution got so bad that even daytime driving required headlights.

As of this morning, Montreal is among 10 cities in the world with the most polluted air according to IQAir. Montreal is listed as the sixth most polluted major city in the world on IQAir’s live global ...

In a live ranking Saturday by IQAir, a Swiss air monitoring company, Hanoi ranked 13th on a list of the most polluted major cities. The fog hanging over Hanoi isn’t just pollution; it’s a ...

A report from Environment America found Ontario Beach had potentially unsafe water quality on 42% of test days in 2024.

The EPA's termination of a grant program that would have helped support environmental initiatives and air quality monitoring in Dallas' most ...

NEW DELHI — New Delhi was the world’s most polluted capital city in 2018, two groups monitoring air pollution said on Tuesday in a study of the amount of fine particulate matter known as PM2.5 ...

Two of Wales’s biggest cities have been named amongst the cities with highest pollution levels across the UK. In a new study ...

Byrnihat, located on the Assam-Meghalaya border, emerged as India's most polluted city in the first half of 2025, according to a CREA analysis. Delhi followed distantly in second place. The report ...