Micro-meteorological parameters were monitored during the study period from December 2015 to February 2016 by installing an automated weather monitoring station in the region at about 5m height.Data of wind velocity, wind direction, ambient temperature, relative humidity and pressure were recorded at hourly intervals along with rainfall for 24 h throughout the monitoring period. Temperature in the area during the study period ranged from 6.1 to 26.5 °C while the relative humidity varied between 50 and 90.4%. The wind speed during the study period ranged from 0 to 2.8ms−1. Wind rose diagram duringthe study period has been depicted in Fig. 3. The predominant wind direction was from NE and calm condition prevailed for 27.9% of the time. Mixing height varied from 260 to 1200 m. Atmospheric stability classes following Pasquill-Gifford are computed through Turner classification (Hanna el al., 1982). Atmospheric stability classes varied from1 to 6 during a typical 24 h period. Barometric pressure ranged from 706.3 to 757.1 mmHg. Clear sky prevailed most of the times and there was 216mm of the rain fall occurred during the monitoring period. The average wind speed was measured by anemometer during winter season (2015–2016) at different mines located in the region for calculation of emission rate for each mine site. The average wind speed at different mine sites varied from 1.55 to 1.80ms−1.