Why in news?

• It will monitor ambient air quality parameters, like particulate matter (2.5 and 10), nitrogen dioxide, sulphur dioxide, ozone, ammonia, carbon monoxide, benzene.
• It will be monitored on a real-time basis now with the State Pollution Control Board (SPCB) having installed the state’s first continuous ambient air quantity monitoring station at Baddi.
• The station has been set up at a cost of Rs 1.75 crore, of which Rs 96.70 lakh was provided by the National Clean Air Programme