China Phases In Tougher Air Quality Rules

China imposes stricter air quality regulations for the first time in 14 years, starting this month with new limits on pollutants like PM2.5. The initial standard caps annual average PM2.5 at 30 micrograms per cubic meter, tightening to 25 by 2031, down from the current 35. These tiny particulates penetrate deep into lungs and enter the bloodstream, posing serious health risks. Read more about this...