Selected District-wise Ambient Air Quality Status of Sulphur Dioxide (SO2) Levels (Annual Average) At Selected Cities and Locations under National Air Quality Monitoring Programme (NAMP) in Tamil Nadu (2020-2021) | |||||
District | City/Location | Category | SO2 Concentration in μg/m3 | ||
Maximum | Minimum | Average | |||
Chennai | |||||
Coimbatore | |||||
Thoothukkudi | |||||
Madurai | |||||
Salem | |||||
Tiruchirappalli | |||||
Cuddalore | |||||