The severity of the crisis has left Tehran, home to more than 15 million residents, the world's most polluted city. Tehran ...

The Environmental Protection Agency will no longer defend Biden-era limits on fine-particle pollution, which causes heart and ...

Delhi’s fluctuating 2025 air quality and U.S. Embassy’s HEPA filter tender highlight ongoing pollution challenges.

Long-term exposure to toxic air can substantially weaken the health benefits of regular exercise, suggests a new study by an ...

The EPA will propose a new, looser health standard for fine particulate matter, which experts say could impair air quality on ...

The protective benefits of exercise begin to wear off as neighbourhood air pollution levels rise, a study found.

The U.S. Environmental Protection Agency moved this week to reduce limits on fine particulate air pollution, including soot, ...

Long-term inhalation of toxic air appears to dull the protective power of regular workouts, according to a massive global ...

Hanoi is bracing for one of its worst air-pollution spells of the year, pushing the government to roll out emergency measures ...

Breathing polluted air significantly weakens the health advantages of regular exercise, a new study reveals. While physical ...

The state government attributed part of the smog to the recent eruption of Ethiopia’s Hayli Gubbi volcano, which sent ash 14 ...

The rapid rise in pollution levels increases health issues like throat irritation, hoarseness, and repeated infections.