AERSI — Air Exposure Severity Index

< 0.8   Very Low Exposure
0.8–1.2   Low Exposure
1.2–2.0   Moderate Exposure
2.0–3.0   High Exposure
> 3.0   Extreme Exposure

AERSI = PL × EPF × VSF
Data status
Rolling window: 30-day
Updated daily at 10:30 AM IST