1. Statistics are presented on air pollution indicators such as sulfur dioxide, nitrogen dioxide, and total suspended particles for various regions of Armenia in 2014 and 2015.
2. Levels of sulfur dioxide and total suspended particles decreased from 2014 to 2015 in most regions, while nitrogen dioxide levels fluctuated.
3. The share of renewable energy in energy production increased from 2014 to 2015, growing from 0.4% to 0.9%.