Table 1.
PM2.5 exposure headcounts at different poverty thresholds
| Poverty threshold (consumption per day) | |||
|---|---|---|---|
| $1.90 | $3.20 | $5.50 | |
| Number of people living in poverty (millions) | 768 | 1,853 | 3,034 |
| Share of the global population that lives in poverty | 9.9% | 23.9% | 39.2% |
| Number of people that live in poverty and are exposed to unsafe PM2.5 levels (millions) | 716 | 1,752 | 2,870 |
| Share of the population that lives in poverty and is exposed to unsafe PM2.5 levels | 9.3% | 22.6% | 37.1% |
| Number of people that live in poverty and are exposed to hazardous PM2.5 levels (millions) | 275 | 938 | 1,573 |
| Share of the population that lives in poverty and is exposed to hazardous PM2.5 levels | 3.5% | 12.1% | 20.3% |
Subnational poverty estimates are from the World Bank’s Global Subnational Poverty Atlas (see Methods). Unsafe levels mean >5 μg/m3; hazardous levels mean >35 μg/m3.