Monitoring of ambient air quality and noise pollution was conducted at 'Asselmetta junction' in Visakhapatnam city (Andhra Pradesh), which is heart of the city with an important traffic junction and a well known business center. In this area, monitoring was done for 10 days over RSPM, TSPM, NOx and SO2 levels in the air using 'noiseless repirable dust sampler' and for 4 days over noise pollution levels using 'sound level meter'.

World Health Organization (who) says over 3 billion people use solid fuels, including biomass

Particulate matter less than PM₁₀ and aromatic chemicals formed during incomplete combustion of organic matter are major environmental pollutants because of their toxic potential.