The severity of the crisis has left Tehran, home to more than 15 million residents, the world’s most polluted city. Tehran now ranks ahead of Baghdad, Delhi and Kolkata—with air quality levels ...

This country is widely regarded as the world’s second-largest plastic polluter, trailing only China. In many areas, residents ...

It’s easy to tell when it’s smog season in New Delhi; the air gets darker, heavier and starts scratching the throats and ...

Lahore ranks as the world’s second most polluted city with an AQI of 396, as Pakistan’s Punjab battles hazardous air quality.

Particulate sources, particularly construction dust and unmanaged demolition debris, have remained high across Gautam Budh ...

CLEVELAND (WJW/NEXSTAR) — The American Lung Association has released its annual “State of the Air” report, and several major cities are among the worst in the nation for year-round particle pollution, ...

Ariyalur, a town in Tamil Nadu, recorded the country's best AQI at a mere 13, which falls firmly in the ‘good’ category.

Assam among India’s most polluted states with 11 districts in top 50; PM2.5 pollution hotspots highlight urgent air quality concerns.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Each year for the past 26 years, the ...