Air pollution is a major issue in the Kathmandu Valley. According to the 2016 World Health Organization's Ambient Air Pollution Database, the annual average PM2.5 (particulate matter) concentration in 2013 was 49 μg/m3, which is 4.9 times higher than recommended by the World Health Organization. Starting in early 2017, the Government of Nepal and the Embassy of the United States in Kathmandu have monitored and publicly share real-time air quality data. In Nepal and Kathmandu''',''' the annual premature deaths due to air pollution reached 37,399 and 9,943 respectively, according to a Republica news report published on 23 November 2019. This indicates, around a quarter of the total deaths due to air pollution in Nepal are in Kathmandu.