What Level of PM2.5 Is Safe? New Research Reveals
The WHO’s guideline limit for PM2.5 is 5 micrograms. But research shows reducing PM2.5 levels under 5 micrograms has significant health benefits and reduces mortality. What is the safe limit of PM2.5? Is the WHO PM2.5 Guideline of 5 Micrograms Safe? The WHO PM2.5 guideline is not intended to represent …