Figure 8.
EPA AQS annual surface NO2* observations for 2019 compared to the collocated oversampled 0.01° × 0.01° TROPOMI value during the same timeframe. R2 represents the correlation between TROPOMI and not near‐road monitors.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.