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PM2.5 Exposure Metadata

Methodology & Citation

Ambient Population: ORNL LandScan Ambient Population Data (2000–2023).

Surface PM2.5 Estimates: Atmospheric Composition Analysis Group (WUSTL ACAG) combining satellite retrievals, chemical transport modeling, and ground observations.

Exposure Categories:
  • NOTDET: Not Determined
  • POP0005: 0 - 5 µg/m³ (Very Good)
  • POP0535: 5 - 35 µg/m³ (Moderate)
  • POP35GT: 35+ µg/m³ (Hazardous)
Analysis by World Bank Disruptive KIDS Team.

Admin-1 PM2.5 Population Exposure Trends (2000 - 2023)

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24-Year Population Exposure Breakdown (2000 → 2023)

Not Det. 0-5 (Very Good) 5-35 (Moderate) 35+ (Hazardous)