Ambient Air Quality standards in respect of Noise
Ambient Air Quality standards in respect of Noise
| Area Code | Category of Area/Zone | Limits in dB(A) Leq*
Day Time Night Time |
| (A) | Industrial area | 75 70 |
| (B) | Commercial area | 65 55 |
| (C) | Residential area | 55 45 |
| (D) | Silence Zone | 50 40 |
| Category of Vehicle Noise limit in dB(A)
(a)Motorcycle, scooters and three 80 Wheelers. (b)Passenger Cars 82 (c)Passenger or commercial vehicles 85 up to 4 MT (d)Passenger or commercial vehicles 89 above 4 MT and upto 12 MT (e)Passenger or commercial vehicles 91 exceeding 12 MT
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Category of Domestic Appliances/ Noise limits in dB(A) Construction Equipment’s a)Window air conditioners of 1 tonne 68 to 1.5 tonne (b)Air Coolers 60 (c)Refrigerators 46 (d)Diesel Generator for domestic purposes 85 – 90 (e)Compactors (rollers), Front loaders, 75 Concrete mixers, Cranes(movable) |