INDIA’S AIR POLLUTION BY THE NUMBERS: 2019–2020 ANALYSIS

  • Green — Little to No Risk — PM2.5 levels less than 35.4 µg/m3
  • Yellow — Unhealthy for Sensitive Groups — PM2.5 levels between 34.4 and 55.4 µg/m3
  • Red — Unhealthy — PM2.5 levels above 55.4 µg/m3
Figure 1. Summary of PM2.5 data (CPCB) for January-December 2019, binned by U.S. Air Quality Index categories (see text for legend).
Figure 2. Summary of PM2.5 data (CPCB) for January-December 2019, binned by India Air Quality Index categories
Figure 3. Percent difference in PM2.5 levels for March 24-June 1, 2020, compared to the same time period in 2019.

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