SDG 11 · Indicator
Annual mean concentration of particulate matter of less than 2.5 microns of diameter (PM2.5)
Ratings provide a visual representation of a country’s performance on the indicator.
Significant challenges remain
Major challenges remain
Air pollution measured as the population-weighted mean annual concentration of PM2.5 for the urban population in a country. PM2.5 is suspended particles measuring less than 2.5 microns in aerodynamic diameter, which are capable of penetrating deep into the respiratory tract and can cause severe health damage.
The long-term objective for this indicator is a value of .