Based on the 2023 data, Nepal (82.44 µg/m³) and Niger (80.59 µg/m³) have the highest PM2.5 exposure, while the United States (7.3 µg/m³) has the lowest.
Notable year-on-year variations include increases in Niger (+16%) and Cameroon (+59%), while Egypt (-85%) and Thailand (-1.51%) saw significant reductions. The 5-year CAGR reveals a mixed trend of exposure changes: some countries steadily decrease, while others struggle with PM2.5 levels.
Future trends to watch include the impact of industrialization in developing countries and advancements in pollution control in developed nations, which could significantly alter PM2.5 exposure profiles globally.
Top countries in Exposure to PM2.5 Air Pollution by Country
| # | 10 Countries | Micrograms Per Cubic Meter | Last Year | YoY | 5-years CAGR | |
|---|---|---|---|---|---|---|
| 1 | 1 Nepal | 82.44 | 2023 | -0.14% | -0.056% | View data |
| 2 | 2 Niger | 80.59 | 2023 | +0.14% | +0.16% | View data |
| 3 | 3 Cameroon | 67.39 | 2023 | +0.49% | +0.59% | View data |
| 4 | 4 Egypt | 65.61 | 2023 | -0.77% | -0.85% | View data |
| 5 | 5 Kuwait | 61.38 | 2023 | -0.58% | -0.61% | View data |
| 6 | 6 Oman | 44.79 | 2023 | +0.34% | +0.34% | View data |
| 7 | 7 Yemen | 44.21 | 2023 | -0.38% | -0.49% | View data |
| 8 | 8 South Korea | 28.26 | 2023 | +0.65% | +0.59% | View data |
| 9 | 9 Myanmar | 27.96 | 2023 | -1.55% | -1.43% | View data |
| 10 | 10 Lesotho | 26.64 | 2023 | -1.38% | -1.68% | View data |
