
Keywords: PM2.5; particulate matter of aerodynamic diameter â¤Â 2.5 μm; CO; carbon monoxide; CO2; carbon dioxide; RH; relative humidity; ANOVA; analysis of variance; BCM; Bhadrachalam; KTDM; Kothagudem; TVR; Tiruvur; IBP; Ibrahimpatnam; VJA; Vijayawada; Car (ac