According to the ranking in IQAir's 2024 World Air Quality Report, these are the 10 U.S. cities with the worst pollution in ...

it releases a huge amount of PM2.5. PM2.5 is particulate matter minute in size, measuring just 2.5 micrometres in diameter. At just 1/20th of the width of a human hair, PM2.5 can easily get lodged ...

Researchers have flagged the issue of rising blood pressure due to prolonged exposure to PM2.5 pollution and indicated a direct correlation in the Indian context. Dr Dorairaj Prabhakaran ...

However, partly due to the slowdown in air quality improvement and partly due to China’s ageing population, even if China ...

The study also underscores that crop residue burning in Punjab and Haryana contributes only about 14% of PM2.5 and is therefore not a primary source of particulate matter concentration in Delhi-NCR.